--- /dev/null
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/fb.h>
+#include "linux/delay.h"
+#include "pp_acpi.h"
+#include "hwmgr.h"
+#include <atombios.h>
+#include "tonga_hwmgr.h"
+#include "pptable.h"
+#include "processpptables.h"
+#include "tonga_processpptables.h"
+#include "tonga_pptable.h"
+#include "pp_debug.h"
+#include "tonga_ppsmc.h"
+#include "cgs_common.h"
+#include "pppcielanes.h"
+#include "tonga_dyn_defaults.h"
+#include "smumgr.h"
+#include "tonga_smumgr.h"
+
+#include "smu/smu_7_1_2_d.h"
+#include "smu/smu_7_1_2_sh_mask.h"
+
+#include "gmc/gmc_8_1_d.h"
+#include "gmc/gmc_8_1_sh_mask.h"
+
+#include "bif/bif_5_0_d.h"
+#include "bif/bif_5_0_sh_mask.h"
+
+#define MC_CG_ARB_FREQ_F0 0x0a
+#define MC_CG_ARB_FREQ_F1 0x0b
+#define MC_CG_ARB_FREQ_F2 0x0c
+#define MC_CG_ARB_FREQ_F3 0x0d
+
+#define MC_CG_SEQ_DRAMCONF_S0 0x05
+#define MC_CG_SEQ_DRAMCONF_S1 0x06
+#define MC_CG_SEQ_YCLK_SUSPEND 0x04
+#define MC_CG_SEQ_YCLK_RESUME 0x0a
+
+#define PCIE_BUS_CLK 10000
+#define TCLK (PCIE_BUS_CLK / 10)
+
+#define SMC_RAM_END 0x40000
+#define SMC_CG_IND_START 0xc0030000
+#define SMC_CG_IND_END 0xc0040000 /* First byte after SMC_CG_IND*/
+
+#define VOLTAGE_SCALE 4
+#define VOLTAGE_VID_OFFSET_SCALE1 625
+#define VOLTAGE_VID_OFFSET_SCALE2 100
+
+#define VDDC_VDDCI_DELTA 200
+#define VDDC_VDDGFX_DELTA 300
+
+#define MC_SEQ_MISC0_GDDR5_SHIFT 28
+#define MC_SEQ_MISC0_GDDR5_MASK 0xf0000000
+#define MC_SEQ_MISC0_GDDR5_VALUE 5
+
+typedef uint32_t PECI_RegistryValue;
+
+/* [2.5%,~2.5%] Clock stretched is multiple of 2.5% vs not and [Fmin, Fmax, LDO_REFSEL, USE_FOR_LOW_FREQ] */
+uint16_t PP_ClockStretcherLookupTable[2][4] = {
+ {600, 1050, 3, 0},
+ {600, 1050, 6, 1} };
+
+/* [FF, SS] type, [] 4 voltage ranges, and [Floor Freq, Boundary Freq, VID min , VID max] */
+uint32_t PP_ClockStretcherDDTTable[2][4][4] = {
+ { {265, 529, 120, 128}, {325, 650, 96, 119}, {430, 860, 32, 95}, {0, 0, 0, 31} },
+ { {275, 550, 104, 112}, {319, 638, 96, 103}, {360, 720, 64, 95}, {384, 768, 32, 63} } };
+
+/* [Use_For_Low_freq] value, [0%, 5%, 10%, 7.14%, 14.28%, 20%] (coming from PWR_CKS_CNTL.stretch_amount reg spec) */
+uint8_t PP_ClockStretchAmountConversion[2][6] = {
+ {0, 1, 3, 2, 4, 5},
+ {0, 2, 4, 5, 6, 5} };
+
+/* Values for the CG_THERMAL_CTRL::DPM_EVENT_SRC field. */
+enum DPM_EVENT_SRC {
+ DPM_EVENT_SRC_ANALOG = 0, /* Internal analog trip point */
+ DPM_EVENT_SRC_EXTERNAL = 1, /* External (GPIO 17) signal */
+ DPM_EVENT_SRC_DIGITAL = 2, /* Internal digital trip point (DIG_THERM_DPM) */
+ DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3, /* Internal analog or external */
+ DPM_EVENT_SRC_DIGITAL_OR_EXTERNAL = 4 /* Internal digital or external */
+};
+typedef enum DPM_EVENT_SRC DPM_EVENT_SRC;
+
+enum DISPLAY_GAP {
+ DISPLAY_GAP_VBLANK_OR_WM = 0, /* Wait for vblank or MCHG watermark. */
+ DISPLAY_GAP_VBLANK = 1, /* Wait for vblank. */
+ DISPLAY_GAP_WATERMARK = 2, /* Wait for MCHG watermark. (Note that HW may deassert WM in VBI depending on DC_STUTTER_CNTL.) */
+ DISPLAY_GAP_IGNORE = 3 /* Do not wait. */
+};
+typedef enum DISPLAY_GAP DISPLAY_GAP;
+
+const unsigned long PhwTonga_Magic = (unsigned long)(PHM_VIslands_Magic);
+
+struct tonga_power_state *cast_phw_tonga_power_state(
+ struct pp_hw_power_state *hw_ps)
+{
+ PP_ASSERT_WITH_CODE((PhwTonga_Magic == hw_ps->magic),
+ "Invalid Powerstate Type!",
+ return NULL;);
+
+ return (struct tonga_power_state *)hw_ps;
+}
+
+const struct tonga_power_state *cast_const_phw_tonga_power_state(
+ const struct pp_hw_power_state *hw_ps)
+{
+ PP_ASSERT_WITH_CODE((PhwTonga_Magic == hw_ps->magic),
+ "Invalid Powerstate Type!",
+ return NULL;);
+
+ return (const struct tonga_power_state *)hw_ps;
+}
+
+int tonga_add_voltage(struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_voltage_lookup_table *look_up_table,
+ phm_ppt_v1_voltage_lookup_record *record)
+{
+ uint32_t i;
+ PP_ASSERT_WITH_CODE((NULL != look_up_table),
+ "Lookup Table empty.", return -1;);
+ PP_ASSERT_WITH_CODE((0 != look_up_table->count),
+ "Lookup Table empty.", return -1;);
+ PP_ASSERT_WITH_CODE((SMU72_MAX_LEVELS_VDDGFX >= look_up_table->count),
+ "Lookup Table is full.", return -1;);
+
+ /* This is to avoid entering duplicate calculated records. */
+ for (i = 0; i < look_up_table->count; i++) {
+ if (look_up_table->entries[i].us_vdd == record->us_vdd) {
+ if (look_up_table->entries[i].us_calculated == 1)
+ return 0;
+ else
+ break;
+ }
+ }
+
+ look_up_table->entries[i].us_calculated = 1;
+ look_up_table->entries[i].us_vdd = record->us_vdd;
+ look_up_table->entries[i].us_cac_low = record->us_cac_low;
+ look_up_table->entries[i].us_cac_mid = record->us_cac_mid;
+ look_up_table->entries[i].us_cac_high = record->us_cac_high;
+ /* Only increment the count when we're appending, not replacing duplicate entry. */
+ if (i == look_up_table->count)
+ look_up_table->count++;
+
+ return 0;
+}
+
+uint8_t tonga_get_voltage_id(pp_atomctrl_voltage_table *voltage_table,
+ uint32_t voltage)
+{
+ uint8_t count = (uint8_t) (voltage_table->count);
+ uint8_t i = 0;
+
+ PP_ASSERT_WITH_CODE((NULL != voltage_table),
+ "Voltage Table empty.", return 0;);
+ PP_ASSERT_WITH_CODE((0 != count),
+ "Voltage Table empty.", return 0;);
+
+ for (i = 0; i < count; i++) {
+ /* find first voltage bigger than requested */
+ if (voltage_table->entries[i].value >= voltage)
+ return i;
+ }
+
+ /* voltage is bigger than max voltage in the table */
+ return i - 1;
+}
+
+/**
+ * @brief PhwTonga_GetVoltageOrder
+ * Returns index of requested voltage record in lookup(table)
+ * @param hwmgr - pointer to hardware manager
+ * @param lookupTable - lookup list to search in
+ * @param voltage - voltage to look for
+ * @return 0 on success
+ */
+uint8_t tonga_get_voltage_index(phm_ppt_v1_voltage_lookup_table *look_up_table,
+ uint16_t voltage)
+{
+ uint8_t count = (uint8_t) (look_up_table->count);
+ uint8_t i;
+
+ PP_ASSERT_WITH_CODE((NULL != look_up_table), "Lookup Table empty.", return 0;);
+ PP_ASSERT_WITH_CODE((0 != count), "Lookup Table empty.", return 0;);
+
+ for (i = 0; i < count; i++) {
+ /* find first voltage equal or bigger than requested */
+ if (look_up_table->entries[i].us_vdd >= voltage)
+ return i;
+ }
+
+ /* voltage is bigger than max voltage in the table */
+ return i-1;
+}
+
+bool tonga_is_dpm_running(struct pp_hwmgr *hwmgr)
+{
+ /*
+ * We return the status of Voltage Control instead of checking SCLK/MCLK DPM
+ * because we may have test scenarios that need us intentionly disable SCLK/MCLK DPM,
+ * whereas voltage control is a fundemental change that will not be disabled
+ */
+
+ return (0 == PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ FEATURE_STATUS, VOLTAGE_CONTROLLER_ON) ? 1 : 0);
+}
+
+/**
+ * Re-generate the DPM level mask value
+ * @param hwmgr the address of the hardware manager
+ */
+static uint32_t tonga_get_dpm_level_enable_mask_value(
+ struct tonga_single_dpm_table * dpm_table)
+{
+ uint32_t i;
+ uint32_t mask_value = 0;
+
+ for (i = dpm_table->count; i > 0; i--) {
+ mask_value = mask_value << 1;
+
+ if (dpm_table->dpm_levels[i-1].enabled)
+ mask_value |= 0x1;
+ else
+ mask_value &= 0xFFFFFFFE;
+ }
+ return mask_value;
+}
+
+/**
+ * Retrieve DPM default values from registry (if available)
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ */
+void tonga_initialize_dpm_defaults(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ phw_tonga_ulv_parm *ulv = &(data->ulv);
+ uint32_t tmp;
+
+ ulv->ch_ulv_parameter = PPTONGA_CGULVPARAMETER_DFLT;
+ data->voting_rights_clients0 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT0;
+ data->voting_rights_clients1 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT1;
+ data->voting_rights_clients2 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT2;
+ data->voting_rights_clients3 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT3;
+ data->voting_rights_clients4 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT4;
+ data->voting_rights_clients5 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT5;
+ data->voting_rights_clients6 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT6;
+ data->voting_rights_clients7 = PPTONGA_VOTINGRIGHTSCLIENTS_DFLT7;
+
+ data->static_screen_threshold_unit = PPTONGA_STATICSCREENTHRESHOLDUNIT_DFLT;
+ data->static_screen_threshold = PPTONGA_STATICSCREENTHRESHOLD_DFLT;
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ABM);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_NonABMSupportInPPLib);
+
+ tmp = 0;
+ if (tmp == 0)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DynamicACTiming);
+
+ tmp = 0;
+ if (0 != tmp)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableMemoryTransition);
+
+ data->mclk_strobe_mode_threshold = 40000;
+ data->mclk_stutter_mode_threshold = 30000;
+ data->mclk_edc_enable_threshold = 40000;
+ data->mclk_edc_wr_enable_threshold = 40000;
+
+ tmp = 0;
+ if (tmp != 0)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableMCLS);
+
+ data->pcie_gen_performance.max = PP_PCIEGen1;
+ data->pcie_gen_performance.min = PP_PCIEGen3;
+ data->pcie_gen_power_saving.max = PP_PCIEGen1;
+ data->pcie_gen_power_saving.min = PP_PCIEGen3;
+
+ data->pcie_lane_performance.max = 0;
+ data->pcie_lane_performance.min = 16;
+ data->pcie_lane_power_saving.max = 0;
+ data->pcie_lane_power_saving.min = 16;
+
+ tmp = 0;
+
+ if (tmp)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkThrottleLowNotification);
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DynamicUVDState);
+
+}
+
+int tonga_update_sclk_threshold(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ int result = 0;
+ uint32_t low_sclk_interrupt_threshold = 0;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SclkThrottleLowNotification)
+ && (hwmgr->gfx_arbiter.sclk_threshold != data->low_sclk_interrupt_threshold)) {
+ data->low_sclk_interrupt_threshold = hwmgr->gfx_arbiter.sclk_threshold;
+ low_sclk_interrupt_threshold = data->low_sclk_interrupt_threshold;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(low_sclk_interrupt_threshold);
+
+ result = tonga_copy_bytes_to_smc(
+ hwmgr->smumgr,
+ data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable,
+ LowSclkInterruptThreshold),
+ (uint8_t *)&low_sclk_interrupt_threshold,
+ sizeof(uint32_t),
+ data->sram_end
+ );
+ }
+
+ return result;
+}
+
+/**
+ * Find SCLK value that is associated with specified virtual_voltage_Id.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param virtual_voltage_Id voltageId to look for.
+ * @param sclk output value .
+ * @return always 0 if success and 2 if association not found
+ */
+static int tonga_get_sclk_for_voltage_evv(struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_voltage_lookup_table *lookup_table,
+ uint16_t virtual_voltage_id, uint32_t *sclk)
+{
+ uint8_t entryId;
+ uint8_t voltageId;
+ struct phm_ppt_v1_information *pptable_info =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ PP_ASSERT_WITH_CODE(lookup_table->count != 0, "Lookup table is empty", return -1);
+
+ /* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */
+ for (entryId = 0; entryId < pptable_info->vdd_dep_on_sclk->count; entryId++) {
+ voltageId = pptable_info->vdd_dep_on_sclk->entries[entryId].vddInd;
+ if (lookup_table->entries[voltageId].us_vdd == virtual_voltage_id)
+ break;
+ }
+
+ PP_ASSERT_WITH_CODE(entryId < pptable_info->vdd_dep_on_sclk->count,
+ "Can't find requested voltage id in vdd_dep_on_sclk table!",
+ return -1;
+ );
+
+ *sclk = pptable_info->vdd_dep_on_sclk->entries[entryId].clk;
+
+ return 0;
+}
+
+/**
+ * Get Leakage VDDC based on leakage ID.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return 2 if vddgfx returned is greater than 2V or if BIOS
+ */
+int tonga_get_evv_voltage(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk;
+ uint16_t virtual_voltage_id;
+ uint16_t vddc = 0;
+ uint16_t vddgfx = 0;
+ uint16_t i, j;
+ uint32_t sclk = 0;
+
+ /* retrieve voltage for leakage ID (0xff01 + i) */
+ for (i = 0; i < TONGA_MAX_LEAKAGE_COUNT; i++) {
+ virtual_voltage_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i;
+
+ /* in split mode we should have only vddgfx EVV leakages */
+ if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) {
+ if (0 == tonga_get_sclk_for_voltage_evv(hwmgr,
+ pptable_info->vddgfx_lookup_table, virtual_voltage_id, &sclk)) {
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ClockStretcher)) {
+ for (j = 1; j < sclk_table->count; j++) {
+ if (sclk_table->entries[j].clk == sclk &&
+ sclk_table->entries[j].cks_enable == 0) {
+ sclk += 5000;
+ break;
+ }
+ }
+ }
+ PP_ASSERT_WITH_CODE(0 == atomctrl_get_voltage_evv_on_sclk
+ (hwmgr, VOLTAGE_TYPE_VDDGFX, sclk,
+ virtual_voltage_id, &vddgfx),
+ "Error retrieving EVV voltage value!", continue);
+
+ /* need to make sure vddgfx is less than 2v or else, it could burn the ASIC. */
+ PP_ASSERT_WITH_CODE((vddgfx < 2000 && vddgfx != 0), "Invalid VDDGFX value!", return -1);
+
+ /* the voltage should not be zero nor equal to leakage ID */
+ if (vddgfx != 0 && vddgfx != virtual_voltage_id) {
+ data->vddcgfx_leakage.actual_voltage[data->vddcgfx_leakage.count] = vddgfx;
+ data->vddcgfx_leakage.leakage_id[data->vddcgfx_leakage.count] = virtual_voltage_id;
+ data->vddcgfx_leakage.count++;
+ }
+ }
+ } else {
+ /* in merged mode we have only vddc EVV leakages */
+ if (0 == tonga_get_sclk_for_voltage_evv(hwmgr,
+ pptable_info->vddc_lookup_table,
+ virtual_voltage_id, &sclk)) {
+ PP_ASSERT_WITH_CODE(0 == atomctrl_get_voltage_evv_on_sclk
+ (hwmgr, VOLTAGE_TYPE_VDDC, sclk,
+ virtual_voltage_id, &vddc),
+ "Error retrieving EVV voltage value!", continue);
+
+ /* need to make sure vddc is less than 2v or else, it could burn the ASIC. */
+ if (vddc > 2000)
+ printk(KERN_ERR "[ powerplay ] Invalid VDDC value! \n");
+
+ /* the voltage should not be zero nor equal to leakage ID */
+ if (vddc != 0 && vddc != virtual_voltage_id) {
+ data->vddc_leakage.actual_voltage[data->vddc_leakage.count] = vddc;
+ data->vddc_leakage.leakage_id[data->vddc_leakage.count] = virtual_voltage_id;
+ data->vddc_leakage.count++;
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+int tonga_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* enable SCLK dpm */
+ if (0 == data->sclk_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_DPM_Enable)),
+ "Failed to enable SCLK DPM during DPM Start Function!",
+ return -1);
+ }
+
+ /* enable MCLK dpm */
+ if (0 == data->mclk_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_Enable)),
+ "Failed to enable MCLK DPM during DPM Start Function!",
+ return -1);
+
+ PHM_WRITE_FIELD(hwmgr->device, MC_SEQ_CNTL_3, CAC_EN, 0x1);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC0_CNTL, 0x05);/* CH0,1 read */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC1_CNTL, 0x05);/* CH2,3 read */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_CPL_CNTL, 0x100005);/*Read */
+
+ udelay(10);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC0_CNTL, 0x400005);/* CH0,1 write */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_MC1_CNTL, 0x400005);/* CH2,3 write */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixLCAC_CPL_CNTL, 0x500005);/* write */
+
+ }
+
+ return 0;
+}
+
+int tonga_start_dpm(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* enable general power management */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, 1);
+ /* enable sclk deep sleep */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, DYNAMIC_PM_EN, 1);
+
+ /* prepare for PCIE DPM */
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, data->soft_regs_start +
+ offsetof(SMU72_SoftRegisters, VoltageChangeTimeout), 0x1000);
+
+ PHM_WRITE_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__PCIE, SWRST_COMMAND_1, RESETLC, 0x0);
+
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_Voltage_Cntl_Enable)),
+ "Failed to enable voltage DPM during DPM Start Function!",
+ return -1);
+
+ if (0 != tonga_enable_sclk_mclk_dpm(hwmgr)) {
+ PP_ASSERT_WITH_CODE(0, "Failed to enable Sclk DPM and Mclk DPM!", return -1);
+ }
+
+ /* enable PCIE dpm */
+ if (0 == data->pcie_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_Enable)),
+ "Failed to enable pcie DPM during DPM Start Function!",
+ return -1
+ );
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_Falcon_QuickTransition)) {
+ smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_EnableACDCGPIOInterrupt);
+ }
+
+ return 0;
+}
+
+int tonga_disable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* disable SCLK dpm */
+ if (0 == data->sclk_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ PP_ASSERT_WITH_CODE(
+ (0 == tonga_is_dpm_running(hwmgr)),
+ "Trying to Disable SCLK DPM when DPM is disabled",
+ return -1
+ );
+
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_DPM_Disable)),
+ "Failed to disable SCLK DPM during DPM stop Function!",
+ return -1);
+ }
+
+ /* disable MCLK dpm */
+ if (0 == data->mclk_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */
+ PP_ASSERT_WITH_CODE(
+ (0 == tonga_is_dpm_running(hwmgr)),
+ "Trying to Disable MCLK DPM when DPM is disabled",
+ return -1
+ );
+
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_Disable)),
+ "Failed to Disable MCLK DPM during DPM stop Function!",
+ return -1);
+ }
+
+ return 0;
+}
+
+int tonga_stop_dpm(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, 0);
+ /* disable sclk deep sleep*/
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, DYNAMIC_PM_EN, 0);
+
+ /* disable PCIE dpm */
+ if (0 == data->pcie_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ PP_ASSERT_WITH_CODE(
+ (0 == tonga_is_dpm_running(hwmgr)),
+ "Trying to Disable PCIE DPM when DPM is disabled",
+ return -1
+ );
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_Disable)),
+ "Failed to disable pcie DPM during DPM stop Function!",
+ return -1);
+ }
+
+ if (0 != tonga_disable_sclk_mclk_dpm(hwmgr))
+ PP_ASSERT_WITH_CODE(0, "Failed to disable Sclk DPM and Mclk DPM!", return -1);
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ PP_ASSERT_WITH_CODE(
+ (0 == tonga_is_dpm_running(hwmgr)),
+ "Trying to Disable Voltage CNTL when DPM is disabled",
+ return -1
+ );
+
+ PP_ASSERT_WITH_CODE(
+ (0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_Voltage_Cntl_Disable)),
+ "Failed to disable voltage DPM during DPM stop Function!",
+ return -1);
+
+ return 0;
+}
+
+int tonga_enable_sclk_control(struct pp_hwmgr *hwmgr)
+{
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, SCLK_PWRMGT_CNTL, SCLK_PWRMGT_OFF, 0);
+
+ return 0;
+}
+
+/**
+ * Send a message to the SMC and return a parameter
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param msg: the message to send.
+ * @param parameter: pointer to the received parameter
+ * @return The response that came from the SMC.
+ */
+PPSMC_Result tonga_send_msg_to_smc_return_parameter(
+ struct pp_hwmgr *hwmgr,
+ PPSMC_Msg msg,
+ uint32_t *parameter)
+{
+ int result;
+
+ result = smum_send_msg_to_smc(hwmgr->smumgr, msg);
+
+ if ((0 == result) && parameter) {
+ *parameter = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ }
+
+ return result;
+}
+
+/**
+ * force DPM power State
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param n : DPM level
+ * @return The response that came from the SMC.
+ */
+int tonga_dpm_force_state(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint32_t level_mask = 1 << n;
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */
+ PP_ASSERT_WITH_CODE(0 == tonga_is_dpm_running(hwmgr),
+ "Trying to force SCLK when DPM is disabled", return -1;);
+ if (0 == data->sclk_dpm_key_disabled)
+ return (0 == smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)(PPSMC_MSG_SCLKDPM_SetEnabledMask),
+ level_mask) ? 0 : 1);
+
+ return 0;
+}
+
+/**
+ * force DPM power State
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param n : DPM level
+ * @return The response that came from the SMC.
+ */
+int tonga_dpm_force_state_mclk(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint32_t level_mask = 1 << n;
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message. */
+ PP_ASSERT_WITH_CODE(0 == tonga_is_dpm_running(hwmgr),
+ "Trying to Force MCLK when DPM is disabled", return -1;);
+ if (0 == data->mclk_dpm_key_disabled)
+ return (0 == smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)(PPSMC_MSG_MCLKDPM_SetEnabledMask),
+ level_mask) ? 0 : 1);
+
+ return 0;
+}
+
+/**
+ * force DPM power State
+ *
+ * @param hwmgr: the address of the powerplay hardware manager.
+ * @param n : DPM level
+ * @return The response that came from the SMC.
+ */
+int tonga_dpm_force_state_pcie(struct pp_hwmgr *hwmgr, uint32_t n)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ PP_ASSERT_WITH_CODE(0 == tonga_is_dpm_running(hwmgr),
+ "Trying to Force PCIE level when DPM is disabled", return -1;);
+ if (0 == data->pcie_dpm_key_disabled)
+ return (0 == smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)(PPSMC_MSG_PCIeDPM_ForceLevel),
+ n) ? 0 : 1);
+
+ return 0;
+}
+
+/**
+ * Set the initial state by calling SMC to switch to this state directly
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_set_boot_state(struct pp_hwmgr *hwmgr)
+{
+ /*
+ * SMC only stores one state that SW will ask to switch too,
+ * so we switch the the just uploaded one
+ */
+ return (0 == tonga_disable_sclk_mclk_dpm(hwmgr)) ? 0 : 1;
+}
+
+/**
+ * Get the location of various tables inside the FW image.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_process_firmware_header(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct tonga_smumgr *tonga_smu = (struct tonga_smumgr *)(hwmgr->smumgr->backend);
+
+ uint32_t tmp;
+ int result;
+ bool error = 0;
+
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ SMU72_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU72_Firmware_Header, DpmTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->dpm_table_start = tmp;
+ }
+
+ error |= (0 != result);
+
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ SMU72_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU72_Firmware_Header, SoftRegisters),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->soft_regs_start = tmp;
+ tonga_smu->ulSoftRegsStart = tmp;
+ }
+
+ error |= (0 != result);
+
+
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ SMU72_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU72_Firmware_Header, mcRegisterTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->mc_reg_table_start = tmp;
+ }
+
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ SMU72_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU72_Firmware_Header, FanTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->fan_table_start = tmp;
+ }
+
+ error |= (0 != result);
+
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ SMU72_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU72_Firmware_Header, mcArbDramTimingTable),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ data->arb_table_start = tmp;
+ }
+
+ error |= (0 != result);
+
+
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ SMU72_FIRMWARE_HEADER_LOCATION +
+ offsetof(SMU72_Firmware_Header, Version),
+ &tmp, data->sram_end);
+
+ if (0 == result) {
+ hwmgr->microcode_version_info.SMC = tmp;
+ }
+
+ error |= (0 != result);
+
+ return error ? 1 : 0;
+}
+
+/**
+ * Read clock related registers.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_read_clock_registers(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ data->clock_registers.vCG_SPLL_FUNC_CNTL =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL);
+ data->clock_registers.vCG_SPLL_FUNC_CNTL_2 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_2);
+ data->clock_registers.vCG_SPLL_FUNC_CNTL_3 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_3);
+ data->clock_registers.vCG_SPLL_FUNC_CNTL_4 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_FUNC_CNTL_4);
+ data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM);
+ data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2 =
+ cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixCG_SPLL_SPREAD_SPECTRUM_2);
+ data->clock_registers.vDLL_CNTL =
+ cgs_read_register(hwmgr->device, mmDLL_CNTL);
+ data->clock_registers.vMCLK_PWRMGT_CNTL =
+ cgs_read_register(hwmgr->device, mmMCLK_PWRMGT_CNTL);
+ data->clock_registers.vMPLL_AD_FUNC_CNTL =
+ cgs_read_register(hwmgr->device, mmMPLL_AD_FUNC_CNTL);
+ data->clock_registers.vMPLL_DQ_FUNC_CNTL =
+ cgs_read_register(hwmgr->device, mmMPLL_DQ_FUNC_CNTL);
+ data->clock_registers.vMPLL_FUNC_CNTL =
+ cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL);
+ data->clock_registers.vMPLL_FUNC_CNTL_1 =
+ cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_1);
+ data->clock_registers.vMPLL_FUNC_CNTL_2 =
+ cgs_read_register(hwmgr->device, mmMPLL_FUNC_CNTL_2);
+ data->clock_registers.vMPLL_SS1 =
+ cgs_read_register(hwmgr->device, mmMPLL_SS1);
+ data->clock_registers.vMPLL_SS2 =
+ cgs_read_register(hwmgr->device, mmMPLL_SS2);
+
+ return 0;
+}
+
+/**
+ * Find out if memory is GDDR5.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_get_memory_type(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint32_t temp;
+
+ temp = cgs_read_register(hwmgr->device, mmMC_SEQ_MISC0);
+
+ data->is_memory_GDDR5 = (MC_SEQ_MISC0_GDDR5_VALUE ==
+ ((temp & MC_SEQ_MISC0_GDDR5_MASK) >>
+ MC_SEQ_MISC0_GDDR5_SHIFT));
+
+ return 0;
+}
+
+/**
+ * Enables Dynamic Power Management by SMC
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_enable_acpi_power_management(struct pp_hwmgr *hwmgr)
+{
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, STATIC_PM_EN, 1);
+
+ return 0;
+}
+
+/**
+ * Initialize PowerGating States for different engines
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_init_power_gate_state(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ data->uvd_power_gated = 0;
+ data->vce_power_gated = 0;
+ data->samu_power_gated = 0;
+ data->acp_power_gated = 0;
+ data->pg_acp_init = 1;
+
+ return 0;
+}
+
+/**
+ * Checks if DPM is enabled
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_check_for_dpm_running(struct pp_hwmgr *hwmgr)
+{
+ /*
+ * We return the status of Voltage Control instead of checking SCLK/MCLK DPM
+ * because we may have test scenarios that need us intentionly disable SCLK/MCLK DPM,
+ * whereas voltage control is a fundemental change that will not be disabled
+ */
+ return (0 == tonga_is_dpm_running(hwmgr) ? 0 : 1);
+}
+
+/**
+ * Checks if DPM is stopped
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_check_for_dpm_stopped(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ if (0 != tonga_is_dpm_running(hwmgr)) {
+ /* If HW Virtualization is enabled, dpm_table_start will not have a valid value */
+ if (!data->dpm_table_start) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Remove repeated voltage values and create table with unique values.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param voltage_table the pointer to changing voltage table
+ * @return 1 in success
+ */
+
+static int tonga_trim_voltage_table(struct pp_hwmgr *hwmgr,
+ pp_atomctrl_voltage_table *voltage_table)
+{
+ uint32_t table_size, i, j;
+ uint16_t vvalue;
+ bool bVoltageFound = 0;
+ pp_atomctrl_voltage_table *table;
+
+ PP_ASSERT_WITH_CODE((NULL != voltage_table), "Voltage Table empty.", return -1;);
+ table_size = sizeof(pp_atomctrl_voltage_table);
+ table = kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == table)
+ return -ENOMEM;
+
+ memset(table, 0x00, table_size);
+ table->mask_low = voltage_table->mask_low;
+ table->phase_delay = voltage_table->phase_delay;
+
+ for (i = 0; i < voltage_table->count; i++) {
+ vvalue = voltage_table->entries[i].value;
+ bVoltageFound = 0;
+
+ for (j = 0; j < table->count; j++) {
+ if (vvalue == table->entries[j].value) {
+ bVoltageFound = 1;
+ break;
+ }
+ }
+
+ if (!bVoltageFound) {
+ table->entries[table->count].value = vvalue;
+ table->entries[table->count].smio_low =
+ voltage_table->entries[i].smio_low;
+ table->count++;
+ }
+ }
+
+ memcpy(table, voltage_table, sizeof(pp_atomctrl_voltage_table));
+
+ kfree(table);
+
+ return 0;
+}
+
+static int tonga_get_svi2_vdd_ci_voltage_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_clock_voltage_dependency_table *voltage_dependency_table)
+{
+ uint32_t i;
+ int result;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_voltage_table *vddci_voltage_table = &(data->vddci_voltage_table);
+
+ PP_ASSERT_WITH_CODE((0 != voltage_dependency_table->count),
+ "Voltage Dependency Table empty.", return -1;);
+
+ vddci_voltage_table->mask_low = 0;
+ vddci_voltage_table->phase_delay = 0;
+ vddci_voltage_table->count = voltage_dependency_table->count;
+
+ for (i = 0; i < voltage_dependency_table->count; i++) {
+ vddci_voltage_table->entries[i].value =
+ voltage_dependency_table->entries[i].vddci;
+ vddci_voltage_table->entries[i].smio_low = 0;
+ }
+
+ result = tonga_trim_voltage_table(hwmgr, vddci_voltage_table);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to trim VDDCI table.", return result;);
+
+ return 0;
+}
+
+
+
+static int tonga_get_svi2_vdd_voltage_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_voltage_lookup_table *look_up_table,
+ pp_atomctrl_voltage_table *voltage_table)
+{
+ uint8_t i = 0;
+
+ PP_ASSERT_WITH_CODE((0 != look_up_table->count),
+ "Voltage Lookup Table empty.", return -1;);
+
+ voltage_table->mask_low = 0;
+ voltage_table->phase_delay = 0;
+
+ voltage_table->count = look_up_table->count;
+
+ for (i = 0; i < voltage_table->count; i++) {
+ voltage_table->entries[i].value = look_up_table->entries[i].us_vdd;
+ voltage_table->entries[i].smio_low = 0;
+ }
+
+ return 0;
+}
+
+/*
+ * -------------------------------------------------------- Voltage Tables --------------------------------------------------------------------------
+ * If the voltage table would be bigger than what will fit into the state table on the SMC keep only the higher entries.
+ */
+
+static void tonga_trim_voltage_table_to_fit_state_table(
+ struct pp_hwmgr *hwmgr,
+ uint32_t max_voltage_steps,
+ pp_atomctrl_voltage_table *voltage_table)
+{
+ unsigned int i, diff;
+
+ if (voltage_table->count <= max_voltage_steps) {
+ return;
+ }
+
+ diff = voltage_table->count - max_voltage_steps;
+
+ for (i = 0; i < max_voltage_steps; i++) {
+ voltage_table->entries[i] = voltage_table->entries[i + diff];
+ }
+
+ voltage_table->count = max_voltage_steps;
+
+ return;
+}
+
+/**
+ * Create Voltage Tables.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_construct_voltage_tables(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ int result;
+
+ /* MVDD has only GPIO voltage control */
+ if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
+ result = atomctrl_get_voltage_table_v3(hwmgr,
+ VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT, &(data->mvdd_voltage_table));
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve MVDD table.", return result;);
+ }
+
+ if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) {
+ /* GPIO voltage */
+ result = atomctrl_get_voltage_table_v3(hwmgr,
+ VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT, &(data->vddci_voltage_table));
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve VDDCI table.", return result;);
+ } else if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) {
+ /* SVI2 voltage */
+ result = tonga_get_svi2_vdd_ci_voltage_table(hwmgr,
+ pptable_info->vdd_dep_on_mclk);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve SVI2 VDDCI table from dependancy table.", return result;);
+ }
+
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) {
+ /* VDDGFX has only SVI2 voltage control */
+ result = tonga_get_svi2_vdd_voltage_table(hwmgr,
+ pptable_info->vddgfx_lookup_table, &(data->vddgfx_voltage_table));
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve SVI2 VDDGFX table from lookup table.", return result;);
+ }
+
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
+ /* VDDC has only SVI2 voltage control */
+ result = tonga_get_svi2_vdd_voltage_table(hwmgr,
+ pptable_info->vddc_lookup_table, &(data->vddc_voltage_table));
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to retrieve SVI2 VDDC table from lookup table.", return result;);
+ }
+
+ PP_ASSERT_WITH_CODE(
+ (data->vddc_voltage_table.count <= (SMU72_MAX_LEVELS_VDDC)),
+ "Too many voltage values for VDDC. Trimming to fit state table.",
+ tonga_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU72_MAX_LEVELS_VDDC, &(data->vddc_voltage_table));
+ );
+
+ PP_ASSERT_WITH_CODE(
+ (data->vddgfx_voltage_table.count <= (SMU72_MAX_LEVELS_VDDGFX)),
+ "Too many voltage values for VDDGFX. Trimming to fit state table.",
+ tonga_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU72_MAX_LEVELS_VDDGFX, &(data->vddgfx_voltage_table));
+ );
+
+ PP_ASSERT_WITH_CODE(
+ (data->vddci_voltage_table.count <= (SMU72_MAX_LEVELS_VDDCI)),
+ "Too many voltage values for VDDCI. Trimming to fit state table.",
+ tonga_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU72_MAX_LEVELS_VDDCI, &(data->vddci_voltage_table));
+ );
+
+ PP_ASSERT_WITH_CODE(
+ (data->mvdd_voltage_table.count <= (SMU72_MAX_LEVELS_MVDD)),
+ "Too many voltage values for MVDD. Trimming to fit state table.",
+ tonga_trim_voltage_table_to_fit_state_table(hwmgr,
+ SMU72_MAX_LEVELS_MVDD, &(data->mvdd_voltage_table));
+ );
+
+ return 0;
+}
+
+/**
+ * Vddc table preparation for SMC.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+static int tonga_populate_smc_vddc_table(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ unsigned int count;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
+ table->VddcLevelCount = data->vddc_voltage_table.count;
+ for (count = 0; count < table->VddcLevelCount; count++) {
+ table->VddcTable[count] =
+ PP_HOST_TO_SMC_US(data->vddc_voltage_table.entries[count].value * VOLTAGE_SCALE);
+ }
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VddcLevelCount);
+ }
+ return 0;
+}
+
+/**
+ * VddGfx table preparation for SMC.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+static int tonga_populate_smc_vdd_gfx_table(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ unsigned int count;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) {
+ table->VddGfxLevelCount = data->vddgfx_voltage_table.count;
+ for (count = 0; count < data->vddgfx_voltage_table.count; count++) {
+ table->VddGfxTable[count] =
+ PP_HOST_TO_SMC_US(data->vddgfx_voltage_table.entries[count].value * VOLTAGE_SCALE);
+ }
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VddGfxLevelCount);
+ }
+ return 0;
+}
+
+/**
+ * Vddci table preparation for SMC.
+ *
+ * @param *hwmgr The address of the hardware manager.
+ * @param *table The SMC DPM table structure to be populated.
+ * @return 0
+ */
+static int tonga_populate_smc_vdd_ci_table(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint32_t count;
+
+ table->VddciLevelCount = data->vddci_voltage_table.count;
+ for (count = 0; count < table->VddciLevelCount; count++) {
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) {
+ table->VddciTable[count] =
+ PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[count].value * VOLTAGE_SCALE);
+ } else if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) {
+ table->SmioTable1.Pattern[count].Voltage =
+ PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[count].value * VOLTAGE_SCALE);
+ /* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level. */
+ table->SmioTable1.Pattern[count].Smio =
+ (uint8_t) count;
+ table->Smio[count] |=
+ data->vddci_voltage_table.entries[count].smio_low;
+ table->VddciTable[count] =
+ PP_HOST_TO_SMC_US(data->vddci_voltage_table.entries[count].value * VOLTAGE_SCALE);
+ }
+ }
+
+ table->SmioMask1 = data->vddci_voltage_table.mask_low;
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VddciLevelCount);
+
+ return 0;
+}
+
+/**
+ * Mvdd table preparation for SMC.
+ *
+ * @param *hwmgr The address of the hardware manager.
+ * @param *table The SMC DPM table structure to be populated.
+ * @return 0
+ */
+static int tonga_populate_smc_mvdd_table(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint32_t count;
+
+ if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
+ table->MvddLevelCount = data->mvdd_voltage_table.count;
+ for (count = 0; count < table->MvddLevelCount; count++) {
+ table->SmioTable2.Pattern[count].Voltage =
+ PP_HOST_TO_SMC_US(data->mvdd_voltage_table.entries[count].value * VOLTAGE_SCALE);
+ /* Index into DpmTable.Smio. Drive bits from Smio entry to get this voltage level.*/
+ table->SmioTable2.Pattern[count].Smio =
+ (uint8_t) count;
+ table->Smio[count] |=
+ data->mvdd_voltage_table.entries[count].smio_low;
+ }
+ table->SmioMask2 = data->vddci_voltage_table.mask_low;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->MvddLevelCount);
+ }
+
+ return 0;
+}
+
+/**
+ * Convert a voltage value in mv unit to VID number required by SMU firmware
+ */
+static uint8_t convert_to_vid(uint16_t vddc)
+{
+ return (uint8_t) ((6200 - (vddc * VOLTAGE_SCALE)) / 25);
+}
+
+
+/**
+ * Preparation of vddc and vddgfx CAC tables for SMC.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+static int tonga_populate_cac_tables(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ uint32_t count;
+ uint8_t index;
+ int result = 0;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ struct phm_ppt_v1_voltage_lookup_table *vddgfx_lookup_table = pptable_info->vddgfx_lookup_table;
+ struct phm_ppt_v1_voltage_lookup_table *vddc_lookup_table = pptable_info->vddc_lookup_table;
+
+ /* pTables is already swapped, so in order to use the value from it, we need to swap it back. */
+ uint32_t vddcLevelCount = PP_SMC_TO_HOST_UL(table->VddcLevelCount);
+ uint32_t vddgfxLevelCount = PP_SMC_TO_HOST_UL(table->VddGfxLevelCount);
+
+ for (count = 0; count < vddcLevelCount; count++) {
+ /* We are populating vddc CAC data to BapmVddc table in split and merged mode */
+ index = tonga_get_voltage_index(vddc_lookup_table,
+ data->vddc_voltage_table.entries[count].value);
+ table->BapmVddcVidLoSidd[count] =
+ convert_to_vid(vddc_lookup_table->entries[index].us_cac_low);
+ table->BapmVddcVidHiSidd[count] =
+ convert_to_vid(vddc_lookup_table->entries[index].us_cac_mid);
+ table->BapmVddcVidHiSidd2[count] =
+ convert_to_vid(vddc_lookup_table->entries[index].us_cac_high);
+ }
+
+ if ((data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2)) {
+ /* We are populating vddgfx CAC data to BapmVddgfx table in split mode */
+ for (count = 0; count < vddgfxLevelCount; count++) {
+ index = tonga_get_voltage_index(vddgfx_lookup_table,
+ data->vddgfx_voltage_table.entries[count].value);
+ table->BapmVddGfxVidLoSidd[count] =
+ convert_to_vid(vddgfx_lookup_table->entries[index].us_cac_low);
+ table->BapmVddGfxVidHiSidd[count] =
+ convert_to_vid(vddgfx_lookup_table->entries[index].us_cac_mid);
+ table->BapmVddGfxVidHiSidd2[count] =
+ convert_to_vid(vddgfx_lookup_table->entries[index].us_cac_high);
+ }
+ } else {
+ for (count = 0; count < vddcLevelCount; count++) {
+ index = tonga_get_voltage_index(vddc_lookup_table,
+ data->vddc_voltage_table.entries[count].value);
+ table->BapmVddGfxVidLoSidd[count] =
+ convert_to_vid(vddc_lookup_table->entries[index].us_cac_low);
+ table->BapmVddGfxVidHiSidd[count] =
+ convert_to_vid(vddc_lookup_table->entries[index].us_cac_mid);
+ table->BapmVddGfxVidHiSidd2[count] =
+ convert_to_vid(vddc_lookup_table->entries[index].us_cac_high);
+ }
+ }
+
+ return result;
+}
+
+
+/**
+ * Preparation of voltage tables for SMC.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+
+int tonga_populate_smc_voltage_tables(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ int result;
+
+ result = tonga_populate_smc_vddc_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate VDDC voltage table to SMC", return -1);
+
+ result = tonga_populate_smc_vdd_ci_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate VDDCI voltage table to SMC", return -1);
+
+ result = tonga_populate_smc_vdd_gfx_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate VDDGFX voltage table to SMC", return -1);
+
+ result = tonga_populate_smc_mvdd_table(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate MVDD voltage table to SMC", return -1);
+
+ result = tonga_populate_cac_tables(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "can not populate CAC voltage tables to SMC", return -1);
+
+ return 0;
+}
+
+/**
+ * Populates the SMC VRConfig field in DPM table.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param table the SMC DPM table structure to be populated
+ * @return always 0
+ */
+static int tonga_populate_vr_config(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint16_t config;
+
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_gfx_control) {
+ /* Splitted mode */
+ config = VR_SVI2_PLANE_1;
+ table->VRConfig |= (config<<VRCONF_VDDGFX_SHIFT);
+
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
+ config = VR_SVI2_PLANE_2;
+ table->VRConfig |= config;
+ } else {
+ printk(KERN_ERR "[ powerplay ] VDDC and VDDGFX should be both on SVI2 control in splitted mode! \n");
+ }
+ } else {
+ /* Merged mode */
+ config = VR_MERGED_WITH_VDDC;
+ table->VRConfig |= (config<<VRCONF_VDDGFX_SHIFT);
+
+ /* Set Vddc Voltage Controller */
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->voltage_control) {
+ config = VR_SVI2_PLANE_1;
+ table->VRConfig |= config;
+ } else {
+ printk(KERN_ERR "[ powerplay ] VDDC should be on SVI2 control in merged mode! \n");
+ }
+ }
+
+ /* Set Vddci Voltage Controller */
+ if (TONGA_VOLTAGE_CONTROL_BY_SVID2 == data->vdd_ci_control) {
+ config = VR_SVI2_PLANE_2; /* only in merged mode */
+ table->VRConfig |= (config<<VRCONF_VDDCI_SHIFT);
+ } else if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->vdd_ci_control) {
+ config = VR_SMIO_PATTERN_1;
+ table->VRConfig |= (config<<VRCONF_VDDCI_SHIFT);
+ }
+
+ /* Set Mvdd Voltage Controller */
+ if (TONGA_VOLTAGE_CONTROL_BY_GPIO == data->mvdd_control) {
+ config = VR_SMIO_PATTERN_2;
+ table->VRConfig |= (config<<VRCONF_MVDD_SHIFT);
+ }
+
+ return 0;
+}
+
+static int tonga_get_dependecy_volt_by_clk(struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_clock_voltage_dependency_table *allowed_clock_voltage_table,
+ uint32_t clock, SMU_VoltageLevel *voltage, uint32_t *mvdd)
+{
+ uint32_t i = 0;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ /* clock - voltage dependency table is empty table */
+ if (allowed_clock_voltage_table->count == 0)
+ return -1;
+
+ for (i = 0; i < allowed_clock_voltage_table->count; i++) {
+ /* find first sclk bigger than request */
+ if (allowed_clock_voltage_table->entries[i].clk >= clock) {
+ voltage->VddGfx = tonga_get_voltage_index(pptable_info->vddgfx_lookup_table,
+ allowed_clock_voltage_table->entries[i].vddgfx);
+
+ voltage->Vddc = tonga_get_voltage_index(pptable_info->vddc_lookup_table,
+ allowed_clock_voltage_table->entries[i].vddc);
+
+ if (allowed_clock_voltage_table->entries[i].vddci) {
+ voltage->Vddci = tonga_get_voltage_id(&data->vddci_voltage_table,
+ allowed_clock_voltage_table->entries[i].vddci);
+ } else {
+ voltage->Vddci = tonga_get_voltage_id(&data->vddci_voltage_table,
+ allowed_clock_voltage_table->entries[i].vddc - data->vddc_vddci_delta);
+ }
+
+ if (allowed_clock_voltage_table->entries[i].mvdd) {
+ *mvdd = (uint32_t) allowed_clock_voltage_table->entries[i].mvdd;
+ }
+
+ voltage->Phases = 1;
+ return 0;
+ }
+ }
+
+ /* sclk is bigger than max sclk in the dependence table */
+ voltage->VddGfx = tonga_get_voltage_index(pptable_info->vddgfx_lookup_table,
+ allowed_clock_voltage_table->entries[i-1].vddgfx);
+ voltage->Vddc = tonga_get_voltage_index(pptable_info->vddc_lookup_table,
+ allowed_clock_voltage_table->entries[i-1].vddc);
+
+ if (allowed_clock_voltage_table->entries[i-1].vddci) {
+ voltage->Vddci = tonga_get_voltage_id(&data->vddci_voltage_table,
+ allowed_clock_voltage_table->entries[i-1].vddci);
+ }
+ if (allowed_clock_voltage_table->entries[i-1].mvdd) {
+ *mvdd = (uint32_t) allowed_clock_voltage_table->entries[i-1].mvdd;
+ }
+
+ return 0;
+}
+
+/**
+ * Call SMC to reset S0/S1 to S1 and Reset SMIO to initial value
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_reset_to_default(struct pp_hwmgr *hwmgr)
+{
+ return (smum_send_msg_to_smc(hwmgr->smumgr, PPSMC_MSG_ResetToDefaults) == 0) ? 0 : 1;
+}
+
+int tonga_populate_memory_timing_parameters(
+ struct pp_hwmgr *hwmgr,
+ uint32_t engine_clock,
+ uint32_t memory_clock,
+ struct SMU72_Discrete_MCArbDramTimingTableEntry *arb_regs
+ )
+{
+ uint32_t dramTiming;
+ uint32_t dramTiming2;
+ uint32_t burstTime;
+ int result;
+
+ result = atomctrl_set_engine_dram_timings_rv770(hwmgr,
+ engine_clock, memory_clock);
+
+ PP_ASSERT_WITH_CODE(result == 0,
+ "Error calling VBIOS to set DRAM_TIMING.", return result);
+
+ dramTiming = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
+ dramTiming2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
+ burstTime = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
+
+ arb_regs->McArbDramTiming = PP_HOST_TO_SMC_UL(dramTiming);
+ arb_regs->McArbDramTiming2 = PP_HOST_TO_SMC_UL(dramTiming2);
+ arb_regs->McArbBurstTime = (uint8_t)burstTime;
+
+ return 0;
+}
+
+/**
+ * Setup parameters for the MC ARB.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ * This function is to be called from the SetPowerState table.
+ */
+int tonga_program_memory_timing_parameters(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ int result = 0;
+ SMU72_Discrete_MCArbDramTimingTable arb_regs;
+ uint32_t i, j;
+
+ memset(&arb_regs, 0x00, sizeof(SMU72_Discrete_MCArbDramTimingTable));
+
+ for (i = 0; i < data->dpm_table.sclk_table.count; i++) {
+ for (j = 0; j < data->dpm_table.mclk_table.count; j++) {
+ result = tonga_populate_memory_timing_parameters
+ (hwmgr, data->dpm_table.sclk_table.dpm_levels[i].value,
+ data->dpm_table.mclk_table.dpm_levels[j].value,
+ &arb_regs.entries[i][j]);
+
+ if (0 != result) {
+ break;
+ }
+ }
+ }
+
+ if (0 == result) {
+ result = tonga_copy_bytes_to_smc(
+ hwmgr->smumgr,
+ data->arb_table_start,
+ (uint8_t *)&arb_regs,
+ sizeof(SMU72_Discrete_MCArbDramTimingTable),
+ data->sram_end
+ );
+ }
+
+ return result;
+}
+
+static int tonga_populate_smc_link_level(struct pp_hwmgr *hwmgr, SMU72_Discrete_DpmTable *table)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct tonga_dpm_table *dpm_table = &data->dpm_table;
+ uint32_t i;
+
+ /* Index (dpm_table->pcie_speed_table.count) is reserved for PCIE boot level. */
+ for (i = 0; i <= dpm_table->pcie_speed_table.count; i++) {
+ table->LinkLevel[i].PcieGenSpeed =
+ (uint8_t)dpm_table->pcie_speed_table.dpm_levels[i].value;
+ table->LinkLevel[i].PcieLaneCount =
+ (uint8_t)encode_pcie_lane_width(dpm_table->pcie_speed_table.dpm_levels[i].param1);
+ table->LinkLevel[i].EnabledForActivity =
+ 1;
+ table->LinkLevel[i].SPC =
+ (uint8_t)(data->pcie_spc_cap & 0xff);
+ table->LinkLevel[i].DownThreshold =
+ PP_HOST_TO_SMC_UL(5);
+ table->LinkLevel[i].UpThreshold =
+ PP_HOST_TO_SMC_UL(30);
+ }
+
+ data->smc_state_table.LinkLevelCount =
+ (uint8_t)dpm_table->pcie_speed_table.count;
+ data->dpm_level_enable_mask.pcie_dpm_enable_mask =
+ tonga_get_dpm_level_enable_mask_value(&dpm_table->pcie_speed_table);
+
+ return 0;
+}
+
+
+static int tonga_populate_smc_vce_level(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ int result = 0;
+
+ uint8_t count;
+ pp_atomctrl_clock_dividers_vi dividers;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table;
+
+ table->VceLevelCount = (uint8_t) (mm_table->count);
+ table->VceBootLevel = 0;
+
+ for (count = 0; count < table->VceLevelCount; count++) {
+ table->VceLevel[count].Frequency =
+ mm_table->entries[count].eclk;
+ table->VceLevel[count].MinVoltage.Vddc =
+ tonga_get_voltage_index(pptable_info->vddc_lookup_table,
+ mm_table->entries[count].vddc);
+ table->VceLevel[count].MinVoltage.VddGfx =
+ (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ?
+ tonga_get_voltage_index(pptable_info->vddgfx_lookup_table,
+ mm_table->entries[count].vddgfx) : 0;
+ table->VceLevel[count].MinVoltage.Vddci =
+ tonga_get_voltage_id(&data->vddci_voltage_table,
+ mm_table->entries[count].vddc - data->vddc_vddci_delta);
+ table->VceLevel[count].MinVoltage.Phases = 1;
+
+ /* retrieve divider value for VBIOS */
+ result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
+ table->VceLevel[count].Frequency, ÷rs);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find divide id for VCE engine clock", return result);
+
+ table->VceLevel[count].Divider = (uint8_t)dividers.pll_post_divider;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VceLevel[count].Frequency);
+ }
+
+ return result;
+}
+
+static int tonga_populate_smc_acp_level(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ int result = 0;
+ uint8_t count;
+ pp_atomctrl_clock_dividers_vi dividers;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table;
+
+ table->AcpLevelCount = (uint8_t) (mm_table->count);
+ table->AcpBootLevel = 0;
+
+ for (count = 0; count < table->AcpLevelCount; count++) {
+ table->AcpLevel[count].Frequency =
+ pptable_info->mm_dep_table->entries[count].aclk;
+ table->AcpLevel[count].MinVoltage.Vddc =
+ tonga_get_voltage_index(pptable_info->vddc_lookup_table,
+ mm_table->entries[count].vddc);
+ table->AcpLevel[count].MinVoltage.VddGfx =
+ (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ?
+ tonga_get_voltage_index(pptable_info->vddgfx_lookup_table,
+ mm_table->entries[count].vddgfx) : 0;
+ table->AcpLevel[count].MinVoltage.Vddci =
+ tonga_get_voltage_id(&data->vddci_voltage_table,
+ mm_table->entries[count].vddc - data->vddc_vddci_delta);
+ table->AcpLevel[count].MinVoltage.Phases = 1;
+
+ /* retrieve divider value for VBIOS */
+ result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
+ table->AcpLevel[count].Frequency, ÷rs);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find divide id for engine clock", return result);
+
+ table->AcpLevel[count].Divider = (uint8_t)dividers.pll_post_divider;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->AcpLevel[count].Frequency);
+ }
+
+ return result;
+}
+
+static int tonga_populate_smc_samu_level(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ int result = 0;
+ uint8_t count;
+ pp_atomctrl_clock_dividers_vi dividers;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table;
+
+ table->SamuBootLevel = 0;
+ table->SamuLevelCount = (uint8_t) (mm_table->count);
+
+ for (count = 0; count < table->SamuLevelCount; count++) {
+ /* not sure whether we need evclk or not */
+ table->SamuLevel[count].Frequency =
+ pptable_info->mm_dep_table->entries[count].samclock;
+ table->SamuLevel[count].MinVoltage.Vddc =
+ tonga_get_voltage_index(pptable_info->vddc_lookup_table,
+ mm_table->entries[count].vddc);
+ table->SamuLevel[count].MinVoltage.VddGfx =
+ (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) ?
+ tonga_get_voltage_index(pptable_info->vddgfx_lookup_table,
+ mm_table->entries[count].vddgfx) : 0;
+ table->SamuLevel[count].MinVoltage.Vddci =
+ tonga_get_voltage_id(&data->vddci_voltage_table,
+ mm_table->entries[count].vddc - data->vddc_vddci_delta);
+ table->SamuLevel[count].MinVoltage.Phases = 1;
+
+ /* retrieve divider value for VBIOS */
+ result = atomctrl_get_dfs_pll_dividers_vi(hwmgr,
+ table->SamuLevel[count].Frequency, ÷rs);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find divide id for samu clock", return result);
+
+ table->SamuLevel[count].Divider = (uint8_t)dividers.pll_post_divider;
+
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SamuLevel[count].Frequency);
+ }
+
+ return result;
+}
+
+/**
+ * Populates the SMC MCLK structure using the provided memory clock
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param memory_clock the memory clock to use to populate the structure
+ * @param sclk the SMC SCLK structure to be populated
+ */
+static int tonga_calculate_mclk_params(
+ struct pp_hwmgr *hwmgr,
+ uint32_t memory_clock,
+ SMU72_Discrete_MemoryLevel *mclk,
+ bool strobe_mode,
+ bool dllStateOn
+ )
+{
+ const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ uint32_t dll_cntl = data->clock_registers.vDLL_CNTL;
+ uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL;
+ uint32_t mpll_ad_func_cntl = data->clock_registers.vMPLL_AD_FUNC_CNTL;
+ uint32_t mpll_dq_func_cntl = data->clock_registers.vMPLL_DQ_FUNC_CNTL;
+ uint32_t mpll_func_cntl = data->clock_registers.vMPLL_FUNC_CNTL;
+ uint32_t mpll_func_cntl_1 = data->clock_registers.vMPLL_FUNC_CNTL_1;
+ uint32_t mpll_func_cntl_2 = data->clock_registers.vMPLL_FUNC_CNTL_2;
+ uint32_t mpll_ss1 = data->clock_registers.vMPLL_SS1;
+ uint32_t mpll_ss2 = data->clock_registers.vMPLL_SS2;
+
+ pp_atomctrl_memory_clock_param mpll_param;
+ int result;
+
+ result = atomctrl_get_memory_pll_dividers_si(hwmgr,
+ memory_clock, &mpll_param, strobe_mode);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Error retrieving Memory Clock Parameters from VBIOS.", return result);
+
+ /* MPLL_FUNC_CNTL setup*/
+ mpll_func_cntl = PHM_SET_FIELD(mpll_func_cntl, MPLL_FUNC_CNTL, BWCTRL, mpll_param.bw_ctrl);
+
+ /* MPLL_FUNC_CNTL_1 setup*/
+ mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1,
+ MPLL_FUNC_CNTL_1, CLKF, mpll_param.mpll_fb_divider.cl_kf);
+ mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1,
+ MPLL_FUNC_CNTL_1, CLKFRAC, mpll_param.mpll_fb_divider.clk_frac);
+ mpll_func_cntl_1 = PHM_SET_FIELD(mpll_func_cntl_1,
+ MPLL_FUNC_CNTL_1, VCO_MODE, mpll_param.vco_mode);
+
+ /* MPLL_AD_FUNC_CNTL setup*/
+ mpll_ad_func_cntl = PHM_SET_FIELD(mpll_ad_func_cntl,
+ MPLL_AD_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
+
+ if (data->is_memory_GDDR5) {
+ /* MPLL_DQ_FUNC_CNTL setup*/
+ mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl,
+ MPLL_DQ_FUNC_CNTL, YCLK_SEL, mpll_param.yclk_sel);
+ mpll_dq_func_cntl = PHM_SET_FIELD(mpll_dq_func_cntl,
+ MPLL_DQ_FUNC_CNTL, YCLK_POST_DIV, mpll_param.mpll_post_divider);
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MemorySpreadSpectrumSupport)) {
+ /*
+ ************************************
+ Fref = Reference Frequency
+ NF = Feedback divider ratio
+ NR = Reference divider ratio
+ Fnom = Nominal VCO output frequency = Fref * NF / NR
+ Fs = Spreading Rate
+ D = Percentage down-spread / 2
+ Fint = Reference input frequency to PFD = Fref / NR
+ NS = Spreading rate divider ratio = int(Fint / (2 * Fs))
+ CLKS = NS - 1 = ISS_STEP_NUM[11:0]
+ NV = D * Fs / Fnom * 4 * ((Fnom/Fref * NR) ^ 2)
+ CLKV = 65536 * NV = ISS_STEP_SIZE[25:0]
+ *************************************
+ */
+ pp_atomctrl_internal_ss_info ss_info;
+ uint32_t freq_nom;
+ uint32_t tmp;
+ uint32_t reference_clock = atomctrl_get_mpll_reference_clock(hwmgr);
+
+ /* for GDDR5 for all modes and DDR3 */
+ if (1 == mpll_param.qdr)
+ freq_nom = memory_clock * 4 * (1 << mpll_param.mpll_post_divider);
+ else
+ freq_nom = memory_clock * 2 * (1 << mpll_param.mpll_post_divider);
+
+ /* tmp = (freq_nom / reference_clock * reference_divider) ^ 2 Note: S.I. reference_divider = 1*/
+ tmp = (freq_nom / reference_clock);
+ tmp = tmp * tmp;
+
+ if (0 == atomctrl_get_memory_clock_spread_spectrum(hwmgr, freq_nom, &ss_info)) {
+ /* ss_info.speed_spectrum_percentage -- in unit of 0.01% */
+ /* ss.Info.speed_spectrum_rate -- in unit of khz */
+ /* CLKS = reference_clock / (2 * speed_spectrum_rate * reference_divider) * 10 */
+ /* = reference_clock * 5 / speed_spectrum_rate */
+ uint32_t clks = reference_clock * 5 / ss_info.speed_spectrum_rate;
+
+ /* CLKV = 65536 * speed_spectrum_percentage / 2 * spreadSpecrumRate / freq_nom * 4 / 100000 * ((freq_nom / reference_clock) ^ 2) */
+ /* = 131 * speed_spectrum_percentage * speed_spectrum_rate / 100 * ((freq_nom / reference_clock) ^ 2) / freq_nom */
+ uint32_t clkv =
+ (uint32_t)((((131 * ss_info.speed_spectrum_percentage *
+ ss_info.speed_spectrum_rate) / 100) * tmp) / freq_nom);
+
+ mpll_ss1 = PHM_SET_FIELD(mpll_ss1, MPLL_SS1, CLKV, clkv);
+ mpll_ss2 = PHM_SET_FIELD(mpll_ss2, MPLL_SS2, CLKS, clks);
+ }
+ }
+
+ /* MCLK_PWRMGT_CNTL setup */
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, DLL_SPEED, mpll_param.dll_speed);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK0_PDNB, dllStateOn);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK1_PDNB, dllStateOn);
+
+
+ /* Save the result data to outpupt memory level structure */
+ mclk->MclkFrequency = memory_clock;
+ mclk->MpllFuncCntl = mpll_func_cntl;
+ mclk->MpllFuncCntl_1 = mpll_func_cntl_1;
+ mclk->MpllFuncCntl_2 = mpll_func_cntl_2;
+ mclk->MpllAdFuncCntl = mpll_ad_func_cntl;
+ mclk->MpllDqFuncCntl = mpll_dq_func_cntl;
+ mclk->MclkPwrmgtCntl = mclk_pwrmgt_cntl;
+ mclk->DllCntl = dll_cntl;
+ mclk->MpllSs1 = mpll_ss1;
+ mclk->MpllSs2 = mpll_ss2;
+
+ return 0;
+}
+
+static uint8_t tonga_get_mclk_frequency_ratio(uint32_t memory_clock,
+ bool strobe_mode)
+{
+ uint8_t mc_para_index;
+
+ if (strobe_mode) {
+ if (memory_clock < 12500) {
+ mc_para_index = 0x00;
+ } else if (memory_clock > 47500) {
+ mc_para_index = 0x0f;
+ } else {
+ mc_para_index = (uint8_t)((memory_clock - 10000) / 2500);
+ }
+ } else {
+ if (memory_clock < 65000) {
+ mc_para_index = 0x00;
+ } else if (memory_clock > 135000) {
+ mc_para_index = 0x0f;
+ } else {
+ mc_para_index = (uint8_t)((memory_clock - 60000) / 5000);
+ }
+ }
+
+ return mc_para_index;
+}
+
+static uint8_t tonga_get_ddr3_mclk_frequency_ratio(uint32_t memory_clock)
+{
+ uint8_t mc_para_index;
+
+ if (memory_clock < 10000) {
+ mc_para_index = 0;
+ } else if (memory_clock >= 80000) {
+ mc_para_index = 0x0f;
+ } else {
+ mc_para_index = (uint8_t)((memory_clock - 10000) / 5000 + 1);
+ }
+
+ return mc_para_index;
+}
+
+static int tonga_populate_single_memory_level(
+ struct pp_hwmgr *hwmgr,
+ uint32_t memory_clock,
+ SMU72_Discrete_MemoryLevel *memory_level
+ )
+{
+ uint32_t minMvdd = 0;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ int result = 0;
+ bool dllStateOn;
+ struct cgs_display_info info = {0};
+
+
+ if (NULL != pptable_info->vdd_dep_on_mclk) {
+ result = tonga_get_dependecy_volt_by_clk(hwmgr,
+ pptable_info->vdd_dep_on_mclk, memory_clock, &memory_level->MinVoltage, &minMvdd);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find MinVddc voltage value from memory VDDC voltage dependency table", return result);
+ }
+
+ if (data->mvdd_control == TONGA_VOLTAGE_CONTROL_NONE) {
+ memory_level->MinMvdd = data->vbios_boot_state.mvdd_bootup_value;
+ } else {
+ memory_level->MinMvdd = minMvdd;
+ }
+ memory_level->EnabledForThrottle = 1;
+ memory_level->EnabledForActivity = 0;
+ memory_level->UpHyst = 0;
+ memory_level->DownHyst = 100;
+ memory_level->VoltageDownHyst = 0;
+
+ /* Indicates maximum activity level for this performance level.*/
+ memory_level->ActivityLevel = (uint16_t)data->mclk_activity_target;
+ memory_level->StutterEnable = 0;
+ memory_level->StrobeEnable = 0;
+ memory_level->EdcReadEnable = 0;
+ memory_level->EdcWriteEnable = 0;
+ memory_level->RttEnable = 0;
+
+ /* default set to low watermark. Highest level will be set to high later.*/
+ memory_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+ data->display_timing.num_existing_displays = info.display_count;
+
+ if ((data->mclk_stutter_mode_threshold != 0) &&
+ (memory_clock <= data->mclk_stutter_mode_threshold) &&
+ (data->is_uvd_enabled == 0)
+#if defined(LINUX)
+ && (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, STUTTER_ENABLE) & 0x1)
+ && (data->display_timing.num_existing_displays <= 2)
+ && (data->display_timing.num_existing_displays != 0)
+#endif
+ )
+ memory_level->StutterEnable = 1;
+
+ /* decide strobe mode*/
+ memory_level->StrobeEnable = (data->mclk_strobe_mode_threshold != 0) &&
+ (memory_clock <= data->mclk_strobe_mode_threshold);
+
+ /* decide EDC mode and memory clock ratio*/
+ if (data->is_memory_GDDR5) {
+ memory_level->StrobeRatio = tonga_get_mclk_frequency_ratio(memory_clock,
+ memory_level->StrobeEnable);
+
+ if ((data->mclk_edc_enable_threshold != 0) &&
+ (memory_clock > data->mclk_edc_enable_threshold)) {
+ memory_level->EdcReadEnable = 1;
+ }
+
+ if ((data->mclk_edc_wr_enable_threshold != 0) &&
+ (memory_clock > data->mclk_edc_wr_enable_threshold)) {
+ memory_level->EdcWriteEnable = 1;
+ }
+
+ if (memory_level->StrobeEnable) {
+ if (tonga_get_mclk_frequency_ratio(memory_clock, 1) >=
+ ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC7) >> 16) & 0xf)) {
+ dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
+ } else {
+ dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC6) >> 1) & 0x1) ? 1 : 0;
+ }
+
+ } else {
+ dllStateOn = data->dll_defaule_on;
+ }
+ } else {
+ memory_level->StrobeRatio =
+ tonga_get_ddr3_mclk_frequency_ratio(memory_clock);
+ dllStateOn = ((cgs_read_register(hwmgr->device, mmMC_SEQ_MISC5) >> 1) & 0x1) ? 1 : 0;
+ }
+
+ result = tonga_calculate_mclk_params(hwmgr,
+ memory_clock, memory_level, memory_level->StrobeEnable, dllStateOn);
+
+ if (0 == result) {
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MinMvdd);
+ /* MCLK frequency in units of 10KHz*/
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkFrequency);
+ /* Indicates maximum activity level for this performance level.*/
+ CONVERT_FROM_HOST_TO_SMC_US(memory_level->ActivityLevel);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_1);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllFuncCntl_2);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllAdFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllDqFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MclkPwrmgtCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->DllCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs1);
+ CONVERT_FROM_HOST_TO_SMC_UL(memory_level->MpllSs2);
+ }
+
+ return result;
+}
+
+/**
+ * Populates the SMC MVDD structure using the provided memory clock.
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param mclk the MCLK value to be used in the decision if MVDD should be high or low.
+ * @param voltage the SMC VOLTAGE structure to be populated
+ */
+int tonga_populate_mvdd_value(struct pp_hwmgr *hwmgr, uint32_t mclk, SMIO_Pattern *smio_pattern)
+{
+ const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ uint32_t i = 0;
+
+ if (TONGA_VOLTAGE_CONTROL_NONE != data->mvdd_control) {
+ /* find mvdd value which clock is more than request */
+ for (i = 0; i < pptable_info->vdd_dep_on_mclk->count; i++) {
+ if (mclk <= pptable_info->vdd_dep_on_mclk->entries[i].clk) {
+ /* Always round to higher voltage. */
+ smio_pattern->Voltage = data->mvdd_voltage_table.entries[i].value;
+ break;
+ }
+ }
+
+ PP_ASSERT_WITH_CODE(i < pptable_info->vdd_dep_on_mclk->count,
+ "MVDD Voltage is outside the supported range.", return -1);
+
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int tonga_populate_smv_acpi_level(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ int result = 0;
+ const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_clock_dividers_vi dividers;
+ SMIO_Pattern voltage_level;
+ uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL;
+ uint32_t spll_func_cntl_2 = data->clock_registers.vCG_SPLL_FUNC_CNTL_2;
+ uint32_t dll_cntl = data->clock_registers.vDLL_CNTL;
+ uint32_t mclk_pwrmgt_cntl = data->clock_registers.vMCLK_PWRMGT_CNTL;
+
+ /* The ACPI state should not do DPM on DC (or ever).*/
+ table->ACPILevel.Flags &= ~PPSMC_SWSTATE_FLAG_DC;
+
+ table->ACPILevel.MinVoltage = data->smc_state_table.GraphicsLevel[0].MinVoltage;
+
+ /* assign zero for now*/
+ table->ACPILevel.SclkFrequency = atomctrl_get_reference_clock(hwmgr);
+
+ /* get the engine clock dividers for this clock value*/
+ result = atomctrl_get_engine_pll_dividers_vi(hwmgr,
+ table->ACPILevel.SclkFrequency, ÷rs);
+
+ PP_ASSERT_WITH_CODE(result == 0,
+ "Error retrieving Engine Clock dividers from VBIOS.", return result);
+
+ /* divider ID for required SCLK*/
+ table->ACPILevel.SclkDid = (uint8_t)dividers.pll_post_divider;
+ table->ACPILevel.DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
+ table->ACPILevel.DeepSleepDivId = 0;
+
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_PWRON, 0);
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_RESET, 1);
+ spll_func_cntl_2 = PHM_SET_FIELD(spll_func_cntl_2,
+ CG_SPLL_FUNC_CNTL_2, SCLK_MUX_SEL, 4);
+
+ table->ACPILevel.CgSpllFuncCntl = spll_func_cntl;
+ table->ACPILevel.CgSpllFuncCntl2 = spll_func_cntl_2;
+ table->ACPILevel.CgSpllFuncCntl3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
+ table->ACPILevel.CgSpllFuncCntl4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
+ table->ACPILevel.SpllSpreadSpectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
+ table->ACPILevel.SpllSpreadSpectrum2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
+ table->ACPILevel.CcPwrDynRm = 0;
+ table->ACPILevel.CcPwrDynRm1 = 0;
+
+
+ /* For various features to be enabled/disabled while this level is active.*/
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.Flags);
+ /* SCLK frequency in units of 10KHz*/
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SclkFrequency);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl2);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl3);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CgSpllFuncCntl4);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.SpllSpreadSpectrum2);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->ACPILevel.CcPwrDynRm1);
+
+ /* table->MemoryACPILevel.MinVddcPhases = table->ACPILevel.MinVddcPhases;*/
+ table->MemoryACPILevel.MinVoltage = data->smc_state_table.MemoryLevel[0].MinVoltage;
+
+ /* CONVERT_FROM_HOST_TO_SMC_UL(table->MemoryACPILevel.MinVoltage);*/
+
+ if (0 == tonga_populate_mvdd_value(hwmgr, 0, &voltage_level))
+ table->MemoryACPILevel.MinMvdd =
+ PP_HOST_TO_SMC_UL(voltage_level.Voltage * VOLTAGE_SCALE);
+ else
+ table->MemoryACPILevel.MinMvdd = 0;
+
+ /* Force reset on DLL*/
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK0_RESET, 0x1);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK1_RESET, 0x1);
+
+ /* Disable DLL in ACPIState*/
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK0_PDNB, 0);
+ mclk_pwrmgt_cntl = PHM_SET_FIELD(mclk_pwrmgt_cntl,
+ MCLK_PWRMGT_CNTL, MRDCK1_PDNB, 0);
+
+ /* Enable DLL bypass signal*/
+ dll_cntl = PHM_SET_FIELD(dll_cntl,
+ DLL_CNTL, MRDCK0_BYPASS, 0);
+ dll_cntl = PHM_SET_FIELD(dll_cntl,
+ DLL_CNTL, MRDCK1_BYPASS, 0);
+
+ table->MemoryACPILevel.DllCntl =
+ PP_HOST_TO_SMC_UL(dll_cntl);
+ table->MemoryACPILevel.MclkPwrmgtCntl =
+ PP_HOST_TO_SMC_UL(mclk_pwrmgt_cntl);
+ table->MemoryACPILevel.MpllAdFuncCntl =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_AD_FUNC_CNTL);
+ table->MemoryACPILevel.MpllDqFuncCntl =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_DQ_FUNC_CNTL);
+ table->MemoryACPILevel.MpllFuncCntl =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL);
+ table->MemoryACPILevel.MpllFuncCntl_1 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_1);
+ table->MemoryACPILevel.MpllFuncCntl_2 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_FUNC_CNTL_2);
+ table->MemoryACPILevel.MpllSs1 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS1);
+ table->MemoryACPILevel.MpllSs2 =
+ PP_HOST_TO_SMC_UL(data->clock_registers.vMPLL_SS2);
+
+ table->MemoryACPILevel.EnabledForThrottle = 0;
+ table->MemoryACPILevel.EnabledForActivity = 0;
+ table->MemoryACPILevel.UpHyst = 0;
+ table->MemoryACPILevel.DownHyst = 100;
+ table->MemoryACPILevel.VoltageDownHyst = 0;
+ /* Indicates maximum activity level for this performance level.*/
+ table->MemoryACPILevel.ActivityLevel = PP_HOST_TO_SMC_US((uint16_t)data->mclk_activity_target);
+
+ table->MemoryACPILevel.StutterEnable = 0;
+ table->MemoryACPILevel.StrobeEnable = 0;
+ table->MemoryACPILevel.EdcReadEnable = 0;
+ table->MemoryACPILevel.EdcWriteEnable = 0;
+ table->MemoryACPILevel.RttEnable = 0;
+
+ return result;
+}
+
+static int tonga_find_boot_level(struct tonga_single_dpm_table *table, uint32_t value, uint32_t *boot_level)
+{
+ int result = 0;
+ uint32_t i;
+
+ for (i = 0; i < table->count; i++) {
+ if (value == table->dpm_levels[i].value) {
+ *boot_level = i;
+ result = 0;
+ }
+ }
+ return result;
+}
+
+static int tonga_populate_smc_boot_level(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_DpmTable *table)
+{
+ int result = 0;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ table->GraphicsBootLevel = 0; /* 0 == DPM[0] (low), etc. */
+ table->MemoryBootLevel = 0; /* 0 == DPM[0] (low), etc. */
+
+ /* find boot level from dpm table*/
+ result = tonga_find_boot_level(&(data->dpm_table.sclk_table),
+ data->vbios_boot_state.sclk_bootup_value,
+ (uint32_t *)&(data->smc_state_table.GraphicsBootLevel));
+
+ if (0 != result) {
+ data->smc_state_table.GraphicsBootLevel = 0;
+ printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \
+ in dependency table. Using Graphics DPM level 0!");
+ result = 0;
+ }
+
+ result = tonga_find_boot_level(&(data->dpm_table.mclk_table),
+ data->vbios_boot_state.mclk_bootup_value,
+ (uint32_t *)&(data->smc_state_table.MemoryBootLevel));
+
+ if (0 != result) {
+ data->smc_state_table.MemoryBootLevel = 0;
+ printk(KERN_ERR "[ powerplay ] VBIOS did not find boot engine clock value \
+ in dependency table. Using Memory DPM level 0!");
+ result = 0;
+ }
+
+ table->BootVoltage.Vddc =
+ tonga_get_voltage_id(&(data->vddc_voltage_table),
+ data->vbios_boot_state.vddc_bootup_value);
+ table->BootVoltage.VddGfx =
+ tonga_get_voltage_id(&(data->vddgfx_voltage_table),
+ data->vbios_boot_state.vddgfx_bootup_value);
+ table->BootVoltage.Vddci =
+ tonga_get_voltage_id(&(data->vddci_voltage_table),
+ data->vbios_boot_state.vddci_bootup_value);
+ table->BootMVdd = data->vbios_boot_state.mvdd_bootup_value;
+
+ CONVERT_FROM_HOST_TO_SMC_US(table->BootMVdd);
+
+ return result;
+}
+
+
+/**
+ * Calculates the SCLK dividers using the provided engine clock
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param engine_clock the engine clock to use to populate the structure
+ * @param sclk the SMC SCLK structure to be populated
+ */
+int tonga_calculate_sclk_params(struct pp_hwmgr *hwmgr,
+ uint32_t engine_clock, SMU72_Discrete_GraphicsLevel *sclk)
+{
+ const tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_clock_dividers_vi dividers;
+ uint32_t spll_func_cntl = data->clock_registers.vCG_SPLL_FUNC_CNTL;
+ uint32_t spll_func_cntl_3 = data->clock_registers.vCG_SPLL_FUNC_CNTL_3;
+ uint32_t spll_func_cntl_4 = data->clock_registers.vCG_SPLL_FUNC_CNTL_4;
+ uint32_t cg_spll_spread_spectrum = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM;
+ uint32_t cg_spll_spread_spectrum_2 = data->clock_registers.vCG_SPLL_SPREAD_SPECTRUM_2;
+ uint32_t reference_clock;
+ uint32_t reference_divider;
+ uint32_t fbdiv;
+ int result;
+
+ /* get the engine clock dividers for this clock value*/
+ result = atomctrl_get_engine_pll_dividers_vi(hwmgr, engine_clock, ÷rs);
+
+ PP_ASSERT_WITH_CODE(result == 0,
+ "Error retrieving Engine Clock dividers from VBIOS.", return result);
+
+ /* To get FBDIV we need to multiply this by 16384 and divide it by Fref.*/
+ reference_clock = atomctrl_get_reference_clock(hwmgr);
+
+ reference_divider = 1 + dividers.uc_pll_ref_div;
+
+ /* low 14 bits is fraction and high 12 bits is divider*/
+ fbdiv = dividers.ul_fb_div.ul_fb_divider & 0x3FFFFFF;
+
+ /* SPLL_FUNC_CNTL setup*/
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_REF_DIV, dividers.uc_pll_ref_div);
+ spll_func_cntl = PHM_SET_FIELD(spll_func_cntl,
+ CG_SPLL_FUNC_CNTL, SPLL_PDIV_A, dividers.uc_pll_post_div);
+
+ /* SPLL_FUNC_CNTL_3 setup*/
+ spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
+ CG_SPLL_FUNC_CNTL_3, SPLL_FB_DIV, fbdiv);
+
+ /* set to use fractional accumulation*/
+ spll_func_cntl_3 = PHM_SET_FIELD(spll_func_cntl_3,
+ CG_SPLL_FUNC_CNTL_3, SPLL_DITHEN, 1);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EngineSpreadSpectrumSupport)) {
+ pp_atomctrl_internal_ss_info ss_info;
+
+ uint32_t vcoFreq = engine_clock * dividers.uc_pll_post_div;
+ if (0 == atomctrl_get_engine_clock_spread_spectrum(hwmgr, vcoFreq, &ss_info)) {
+ /*
+ * ss_info.speed_spectrum_percentage -- in unit of 0.01%
+ * ss_info.speed_spectrum_rate -- in unit of khz
+ */
+ /* clks = reference_clock * 10 / (REFDIV + 1) / speed_spectrum_rate / 2 */
+ uint32_t clkS = reference_clock * 5 / (reference_divider * ss_info.speed_spectrum_rate);
+
+ /* clkv = 2 * D * fbdiv / NS */
+ uint32_t clkV = 4 * ss_info.speed_spectrum_percentage * fbdiv / (clkS * 10000);
+
+ cg_spll_spread_spectrum =
+ PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, CLKS, clkS);
+ cg_spll_spread_spectrum =
+ PHM_SET_FIELD(cg_spll_spread_spectrum, CG_SPLL_SPREAD_SPECTRUM, SSEN, 1);
+ cg_spll_spread_spectrum_2 =
+ PHM_SET_FIELD(cg_spll_spread_spectrum_2, CG_SPLL_SPREAD_SPECTRUM_2, CLKV, clkV);
+ }
+ }
+
+ sclk->SclkFrequency = engine_clock;
+ sclk->CgSpllFuncCntl3 = spll_func_cntl_3;
+ sclk->CgSpllFuncCntl4 = spll_func_cntl_4;
+ sclk->SpllSpreadSpectrum = cg_spll_spread_spectrum;
+ sclk->SpllSpreadSpectrum2 = cg_spll_spread_spectrum_2;
+ sclk->SclkDid = (uint8_t)dividers.pll_post_divider;
+
+ return 0;
+}
+
+/**
+ * Populates single SMC SCLK structure using the provided engine clock
+ *
+ * @param hwmgr the address of the hardware manager
+ * @param engine_clock the engine clock to use to populate the structure
+ * @param sclk the SMC SCLK structure to be populated
+ */
+static int tonga_populate_single_graphic_level(struct pp_hwmgr *hwmgr, uint32_t engine_clock, uint16_t sclk_activity_level_threshold, SMU72_Discrete_GraphicsLevel *graphic_level)
+{
+ int result;
+ uint32_t threshold;
+ uint32_t mvdd;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ result = tonga_calculate_sclk_params(hwmgr, engine_clock, graphic_level);
+
+
+ /* populate graphics levels*/
+ result = tonga_get_dependecy_volt_by_clk(hwmgr,
+ pptable_info->vdd_dep_on_sclk, engine_clock,
+ &graphic_level->MinVoltage, &mvdd);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "can not find VDDC voltage value for VDDC \
+ engine clock dependency table", return result);
+
+ /* SCLK frequency in units of 10KHz*/
+ graphic_level->SclkFrequency = engine_clock;
+
+ /* Indicates maximum activity level for this performance level. 50% for now*/
+ graphic_level->ActivityLevel = sclk_activity_level_threshold;
+
+ graphic_level->CcPwrDynRm = 0;
+ graphic_level->CcPwrDynRm1 = 0;
+ /* this level can be used if activity is high enough.*/
+ graphic_level->EnabledForActivity = 0;
+ /* this level can be used for throttling.*/
+ graphic_level->EnabledForThrottle = 1;
+ graphic_level->UpHyst = 0;
+ graphic_level->DownHyst = 0;
+ graphic_level->VoltageDownHyst = 0;
+ graphic_level->PowerThrottle = 0;
+
+ threshold = engine_clock * data->fast_watemark_threshold / 100;
+/*
+ *get the DAL clock. do it in funture.
+ PECI_GetMinClockSettings(hwmgr->peci, &minClocks);
+ data->display_timing.min_clock_insr = minClocks.engineClockInSR;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep))
+ {
+ graphic_level->DeepSleepDivId = PhwTonga_GetSleepDividerIdFromClock(hwmgr, engine_clock, minClocks.engineClockInSR);
+ }
+*/
+
+ /* Default to slow, highest DPM level will be set to PPSMC_DISPLAY_WATERMARK_LOW later.*/
+ graphic_level->DisplayWatermark = PPSMC_DISPLAY_WATERMARK_LOW;
+
+ if (0 == result) {
+ /* CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVoltage);*/
+ /* CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->MinVddcPhases);*/
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SclkFrequency);
+ CONVERT_FROM_HOST_TO_SMC_US(graphic_level->ActivityLevel);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl3);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CgSpllFuncCntl4);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->SpllSpreadSpectrum2);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm);
+ CONVERT_FROM_HOST_TO_SMC_UL(graphic_level->CcPwrDynRm1);
+ }
+
+ return result;
+}
+
+/**
+ * Populates all SMC SCLK levels' structure based on the trimmed allowed dpm engine clock states
+ *
+ * @param hwmgr the address of the hardware manager
+ */
+static int tonga_populate_all_graphic_levels(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ struct tonga_dpm_table *dpm_table = &data->dpm_table;
+ phm_ppt_v1_pcie_table *pcie_table = pptable_info->pcie_table;
+ uint8_t pcie_entry_count = (uint8_t) data->dpm_table.pcie_speed_table.count;
+ int result = 0;
+ uint32_t level_array_adress = data->dpm_table_start +
+ offsetof(SMU72_Discrete_DpmTable, GraphicsLevel);
+ uint32_t level_array_size = sizeof(SMU72_Discrete_GraphicsLevel) *
+ SMU72_MAX_LEVELS_GRAPHICS; /* 64 -> long; 32 -> int*/
+ SMU72_Discrete_GraphicsLevel *levels = data->smc_state_table.GraphicsLevel;
+ uint32_t i, maxEntry;
+ uint8_t highest_pcie_level_enabled = 0, lowest_pcie_level_enabled = 0, mid_pcie_level_enabled = 0, count = 0;
+ PECI_RegistryValue reg_value;
+ memset(levels, 0x00, level_array_size);
+
+ for (i = 0; i < dpm_table->sclk_table.count; i++) {
+ result = tonga_populate_single_graphic_level(hwmgr,
+ dpm_table->sclk_table.dpm_levels[i].value,
+ (uint16_t)data->activity_target[i],
+ &(data->smc_state_table.GraphicsLevel[i]));
+
+ if (0 != result)
+ return result;
+
+ /* Making sure only DPM level 0-1 have Deep Sleep Div ID populated. */
+ if (i > 1)
+ data->smc_state_table.GraphicsLevel[i].DeepSleepDivId = 0;
+
+ if (0 == i) {
+ reg_value = 0;
+ if (reg_value != 0)
+ data->smc_state_table.GraphicsLevel[0].UpHyst = (uint8_t)reg_value;
+ }
+
+ if (1 == i) {
+ reg_value = 0;
+ if (reg_value != 0)
+ data->smc_state_table.GraphicsLevel[1].UpHyst = (uint8_t)reg_value;
+ }
+ }
+
+ /* Only enable level 0 for now. */
+ data->smc_state_table.GraphicsLevel[0].EnabledForActivity = 1;
+
+ /* set highest level watermark to high */
+ if (dpm_table->sclk_table.count > 1)
+ data->smc_state_table.GraphicsLevel[dpm_table->sclk_table.count-1].DisplayWatermark =
+ PPSMC_DISPLAY_WATERMARK_HIGH;
+
+ data->smc_state_table.GraphicsDpmLevelCount =
+ (uint8_t)dpm_table->sclk_table.count;
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask =
+ tonga_get_dpm_level_enable_mask_value(&dpm_table->sclk_table);
+
+ if (pcie_table != NULL) {
+ PP_ASSERT_WITH_CODE((pcie_entry_count >= 1),
+ "There must be 1 or more PCIE levels defined in PPTable.", return -1);
+ maxEntry = pcie_entry_count - 1; /* for indexing, we need to decrement by 1.*/
+ for (i = 0; i < dpm_table->sclk_table.count; i++) {
+ data->smc_state_table.GraphicsLevel[i].pcieDpmLevel =
+ (uint8_t) ((i < maxEntry) ? i : maxEntry);
+ }
+ } else {
+ if (0 == data->dpm_level_enable_mask.pcie_dpm_enable_mask)
+ printk(KERN_ERR "[ powerplay ] Pcie Dpm Enablemask is 0!");
+
+ while (data->dpm_level_enable_mask.pcie_dpm_enable_mask &&
+ ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
+ (1<<(highest_pcie_level_enabled+1))) != 0)) {
+ highest_pcie_level_enabled++;
+ }
+
+ while (data->dpm_level_enable_mask.pcie_dpm_enable_mask &&
+ ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
+ (1<<lowest_pcie_level_enabled)) == 0)) {
+ lowest_pcie_level_enabled++;
+ }
+
+ while ((count < highest_pcie_level_enabled) &&
+ ((data->dpm_level_enable_mask.pcie_dpm_enable_mask &
+ (1<<(lowest_pcie_level_enabled+1+count))) == 0)) {
+ count++;
+ }
+ mid_pcie_level_enabled = (lowest_pcie_level_enabled+1+count) < highest_pcie_level_enabled ?
+ (lowest_pcie_level_enabled+1+count) : highest_pcie_level_enabled;
+
+
+ /* set pcieDpmLevel to highest_pcie_level_enabled*/
+ for (i = 2; i < dpm_table->sclk_table.count; i++) {
+ data->smc_state_table.GraphicsLevel[i].pcieDpmLevel = highest_pcie_level_enabled;
+ }
+
+ /* set pcieDpmLevel to lowest_pcie_level_enabled*/
+ data->smc_state_table.GraphicsLevel[0].pcieDpmLevel = lowest_pcie_level_enabled;
+
+ /* set pcieDpmLevel to mid_pcie_level_enabled*/
+ data->smc_state_table.GraphicsLevel[1].pcieDpmLevel = mid_pcie_level_enabled;
+ }
+ /* level count will send to smc once at init smc table and never change*/
+ result = tonga_copy_bytes_to_smc(hwmgr->smumgr, level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end);
+
+ if (0 != result)
+ return result;
+
+ return 0;
+}
+
+/**
+ * Populates all SMC MCLK levels' structure based on the trimmed allowed dpm memory clock states
+ *
+ * @param hwmgr the address of the hardware manager
+ */
+
+static int tonga_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct tonga_dpm_table *dpm_table = &data->dpm_table;
+ int result;
+ /* populate MCLK dpm table to SMU7 */
+ uint32_t level_array_adress = data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable, MemoryLevel);
+ uint32_t level_array_size = sizeof(SMU72_Discrete_MemoryLevel) * SMU72_MAX_LEVELS_MEMORY;
+ SMU72_Discrete_MemoryLevel *levels = data->smc_state_table.MemoryLevel;
+ uint32_t i;
+
+ memset(levels, 0x00, level_array_size);
+
+ for (i = 0; i < dpm_table->mclk_table.count; i++) {
+ PP_ASSERT_WITH_CODE((0 != dpm_table->mclk_table.dpm_levels[i].value),
+ "can not populate memory level as memory clock is zero", return -1);
+ result = tonga_populate_single_memory_level(hwmgr, dpm_table->mclk_table.dpm_levels[i].value,
+ &(data->smc_state_table.MemoryLevel[i]));
+ if (0 != result) {
+ return result;
+ }
+ }
+
+ /* Only enable level 0 for now.*/
+ data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;
+
+ /*
+ * in order to prevent MC activity from stutter mode to push DPM up.
+ * the UVD change complements this by putting the MCLK in a higher state
+ * by default such that we are not effected by up threshold or and MCLK DPM latency.
+ */
+ data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F;
+ CONVERT_FROM_HOST_TO_SMC_US(data->smc_state_table.MemoryLevel[0].ActivityLevel);
+
+ data->smc_state_table.MemoryDpmLevelCount = (uint8_t)dpm_table->mclk_table.count;
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&dpm_table->mclk_table);
+ /* set highest level watermark to high*/
+ data->smc_state_table.MemoryLevel[dpm_table->mclk_table.count-1].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH;
+
+ /* level count will send to smc once at init smc table and never change*/
+ result = tonga_copy_bytes_to_smc(hwmgr->smumgr,
+ level_array_adress, (uint8_t *)levels, (uint32_t)level_array_size, data->sram_end);
+
+ if (0 != result) {
+ return result;
+ }
+
+ return 0;
+}
+
+struct TONGA_DLL_SPEED_SETTING {
+ uint16_t Min; /* Minimum Data Rate*/
+ uint16_t Max; /* Maximum Data Rate*/
+ uint32_t dll_speed; /* The desired DLL_SPEED setting*/
+};
+
+static int tonga_populate_clock_stretcher_data_table(struct pp_hwmgr *hwmgr)
+{
+ return 0;
+}
+
+/* ---------------------------------------- ULV related functions ----------------------------------------------------*/
+
+
+static int tonga_reset_single_dpm_table(
+ struct pp_hwmgr *hwmgr,
+ struct tonga_single_dpm_table *dpm_table,
+ uint32_t count)
+{
+ uint32_t i;
+ if (!(count <= MAX_REGULAR_DPM_NUMBER))
+ printk(KERN_ERR "[ powerplay ] Fatal error, can not set up single DPM \
+ table entries to exceed max number! \n");
+
+ dpm_table->count = count;
+ for (i = 0; i < MAX_REGULAR_DPM_NUMBER; i++) {
+ dpm_table->dpm_levels[i].enabled = 0;
+ }
+
+ return 0;
+}
+
+static void tonga_setup_pcie_table_entry(
+ struct tonga_single_dpm_table *dpm_table,
+ uint32_t index, uint32_t pcie_gen,
+ uint32_t pcie_lanes)
+{
+ dpm_table->dpm_levels[index].value = pcie_gen;
+ dpm_table->dpm_levels[index].param1 = pcie_lanes;
+ dpm_table->dpm_levels[index].enabled = 1;
+}
+
+bool is_pcie_gen3_supported(uint32_t pcie_link_speed_cap)
+{
+ if (pcie_link_speed_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
+ return 1;
+
+ return 0;
+}
+
+bool is_pcie_gen2_supported(uint32_t pcie_link_speed_cap)
+{
+ if (pcie_link_speed_cap & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
+ return 1;
+
+ return 0;
+}
+
+/* Get the new PCIE speed given the ASIC PCIE Cap and the NewState's requested PCIE speed*/
+uint16_t get_pcie_gen_support(uint32_t pcie_link_speed_cap, uint16_t ns_pcie_gen)
+{
+ uint32_t asic_pcie_link_speed_cap = (pcie_link_speed_cap &
+ CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_MASK);
+ uint32_t sys_pcie_link_speed_cap = (pcie_link_speed_cap &
+ CAIL_PCIE_LINK_SPEED_SUPPORT_MASK);
+
+ switch (asic_pcie_link_speed_cap) {
+ case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1:
+ return PP_PCIEGen1;
+
+ case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2:
+ return PP_PCIEGen2;
+
+ case CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3:
+ return PP_PCIEGen3;
+
+ default:
+ if (is_pcie_gen3_supported(sys_pcie_link_speed_cap) &&
+ (ns_pcie_gen == PP_PCIEGen3)) {
+ return PP_PCIEGen3;
+ } else if (is_pcie_gen2_supported(sys_pcie_link_speed_cap) &&
+ ((ns_pcie_gen == PP_PCIEGen3) || (ns_pcie_gen == PP_PCIEGen2))) {
+ return PP_PCIEGen2;
+ }
+ }
+
+ return PP_PCIEGen1;
+}
+
+uint16_t get_pcie_lane_support(uint32_t pcie_lane_width_cap, uint16_t ns_pcie_lanes)
+{
+ int i, j;
+ uint16_t new_pcie_lanes = ns_pcie_lanes;
+ uint16_t pcie_lanes[7] = {1, 2, 4, 8, 12, 16, 32};
+
+ switch (pcie_lane_width_cap) {
+ case 0:
+ printk(KERN_ERR "[ powerplay ] No valid PCIE lane width reported by CAIL!");
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X1:
+ new_pcie_lanes = 1;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X2:
+ new_pcie_lanes = 2;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X4:
+ new_pcie_lanes = 4;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X8:
+ new_pcie_lanes = 8;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X12:
+ new_pcie_lanes = 12;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X16:
+ new_pcie_lanes = 16;
+ break;
+ case CAIL_PCIE_LINK_WIDTH_SUPPORT_X32:
+ new_pcie_lanes = 32;
+ break;
+ default:
+ for (i = 0; i < 7; i++) {
+ if (ns_pcie_lanes == pcie_lanes[i]) {
+ if (pcie_lane_width_cap & (0x10000 << i)) {
+ break;
+ } else {
+ for (j = i - 1; j >= 0; j--) {
+ if (pcie_lane_width_cap & (0x10000 << j)) {
+ new_pcie_lanes = pcie_lanes[j];
+ break;
+ }
+ }
+
+ if (j < 0) {
+ for (j = i + 1; j < 7; j++) {
+ if (pcie_lane_width_cap & (0x10000 << j)) {
+ new_pcie_lanes = pcie_lanes[j];
+ break;
+ }
+ }
+ if (j > 7)
+ printk(KERN_ERR "[ powerplay ] Cannot find a valid PCIE lane width!");
+ }
+ }
+ break;
+ }
+ }
+ break;
+ }
+
+ return new_pcie_lanes;
+}
+
+static int tonga_setup_default_pcie_tables(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phm_ppt_v1_pcie_table *pcie_table = pptable_info->pcie_table;
+ uint32_t i, maxEntry;
+
+ if (data->use_pcie_performance_levels && !data->use_pcie_power_saving_levels) {
+ data->pcie_gen_power_saving = data->pcie_gen_performance;
+ data->pcie_lane_power_saving = data->pcie_lane_performance;
+ } else if (!data->use_pcie_performance_levels && data->use_pcie_power_saving_levels) {
+ data->pcie_gen_performance = data->pcie_gen_power_saving;
+ data->pcie_lane_performance = data->pcie_lane_power_saving;
+ }
+
+ tonga_reset_single_dpm_table(hwmgr, &data->dpm_table.pcie_speed_table, SMU72_MAX_LEVELS_LINK);
+
+ if (pcie_table != NULL) {
+ /*
+ * maxEntry is used to make sure we reserve one PCIE level for boot level (fix for A+A PSPP issue).
+ * If PCIE table from PPTable have ULV entry + 8 entries, then ignore the last entry.
+ */
+ maxEntry = (SMU72_MAX_LEVELS_LINK < pcie_table->count) ?
+ SMU72_MAX_LEVELS_LINK : pcie_table->count;
+ for (i = 1; i < maxEntry; i++) {
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, i-1,
+ get_pcie_gen_support(data->pcie_gen_cap, pcie_table->entries[i].gen_speed),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ }
+ data->dpm_table.pcie_speed_table.count = maxEntry - 1;
+ } else {
+ /* Hardcode Pcie Table */
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 0,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 1,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 2,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 3,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 4,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table, 5,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Max_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+ data->dpm_table.pcie_speed_table.count = 6;
+ }
+ /* Populate last level for boot PCIE level, but do not increment count. */
+ tonga_setup_pcie_table_entry(&data->dpm_table.pcie_speed_table,
+ data->dpm_table.pcie_speed_table.count,
+ get_pcie_gen_support(data->pcie_gen_cap, PP_Min_PCIEGen),
+ get_pcie_lane_support(data->pcie_lane_cap, PP_Max_PCIELane));
+
+ return 0;
+
+}
+
+/*
+ * This function is to initalize all DPM state tables for SMU7 based on the dependency table.
+ * Dynamic state patching function will then trim these state tables to the allowed range based
+ * on the power policy or external client requests, such as UVD request, etc.
+ */
+static int tonga_setup_default_dpm_tables(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ uint32_t i;
+
+ phm_ppt_v1_clock_voltage_dependency_table *allowed_vdd_sclk_table =
+ pptable_info->vdd_dep_on_sclk;
+ phm_ppt_v1_clock_voltage_dependency_table *allowed_vdd_mclk_table =
+ pptable_info->vdd_dep_on_mclk;
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL,
+ "SCLK dependency table is missing. This table is mandatory", return -1);
+ PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table->count >= 1,
+ "SCLK dependency table has to have is missing. This table is mandatory", return -1);
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL,
+ "MCLK dependency table is missing. This table is mandatory", return -1);
+ PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table->count >= 1,
+ "VMCLK dependency table has to have is missing. This table is mandatory", return -1);
+
+ /* clear the state table to reset everything to default */
+ memset(&(data->dpm_table), 0x00, sizeof(data->dpm_table));
+ tonga_reset_single_dpm_table(hwmgr, &data->dpm_table.sclk_table, SMU72_MAX_LEVELS_GRAPHICS);
+ tonga_reset_single_dpm_table(hwmgr, &data->dpm_table.mclk_table, SMU72_MAX_LEVELS_MEMORY);
+ /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.VddcTable, SMU72_MAX_LEVELS_VDDC); */
+ /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.vdd_gfx_table, SMU72_MAX_LEVELS_VDDGFX);*/
+ /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.vdd_ci_table, SMU72_MAX_LEVELS_VDDCI);*/
+ /* tonga_reset_single_dpm_table(hwmgr, &tonga_hwmgr->dpm_table.mvdd_table, SMU72_MAX_LEVELS_MVDD);*/
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL,
+ "SCLK dependency table is missing. This table is mandatory", return -1);
+ /* Initialize Sclk DPM table based on allow Sclk values*/
+ data->dpm_table.sclk_table.count = 0;
+
+ for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
+ if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count-1].value !=
+ allowed_vdd_sclk_table->entries[i].clk) {
+ data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value =
+ allowed_vdd_sclk_table->entries[i].clk;
+ data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; to do */
+ data->dpm_table.sclk_table.count++;
+ }
+ }
+
+ PP_ASSERT_WITH_CODE(allowed_vdd_mclk_table != NULL,
+ "MCLK dependency table is missing. This table is mandatory", return -1);
+ /* Initialize Mclk DPM table based on allow Mclk values */
+ data->dpm_table.mclk_table.count = 0;
+ for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
+ if (i == 0 || data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count-1].value !=
+ allowed_vdd_mclk_table->entries[i].clk) {
+ data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].value =
+ allowed_vdd_mclk_table->entries[i].clk;
+ data->dpm_table.mclk_table.dpm_levels[data->dpm_table.mclk_table.count].enabled = 1; /*(i==0) ? 1 : 0; */
+ data->dpm_table.mclk_table.count++;
+ }
+ }
+
+ /* Initialize Vddc DPM table based on allow Vddc values. And populate corresponding std values. */
+ for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
+ data->dpm_table.vddc_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].vddc;
+ /* tonga_hwmgr->dpm_table.VddcTable.dpm_levels[i].param1 = stdVoltageTable->entries[i].Leakage; */
+ /* param1 is for corresponding std voltage */
+ data->dpm_table.vddc_table.dpm_levels[i].enabled = 1;
+ }
+ data->dpm_table.vddc_table.count = allowed_vdd_sclk_table->count;
+
+ if (NULL != allowed_vdd_mclk_table) {
+ /* Initialize Vddci DPM table based on allow Mclk values */
+ for (i = 0; i < allowed_vdd_mclk_table->count; i++) {
+ data->dpm_table.vdd_ci_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].vddci;
+ data->dpm_table.vdd_ci_table.dpm_levels[i].enabled = 1;
+ data->dpm_table.mvdd_table.dpm_levels[i].value = allowed_vdd_mclk_table->entries[i].mvdd;
+ data->dpm_table.mvdd_table.dpm_levels[i].enabled = 1;
+ }
+ data->dpm_table.vdd_ci_table.count = allowed_vdd_mclk_table->count;
+ data->dpm_table.mvdd_table.count = allowed_vdd_mclk_table->count;
+ }
+
+ /* setup PCIE gen speed levels*/
+ tonga_setup_default_pcie_tables(hwmgr);
+
+ /* save a copy of the default DPM table*/
+ memcpy(&(data->golden_dpm_table), &(data->dpm_table), sizeof(struct tonga_dpm_table));
+
+ return 0;
+}
+
+int tonga_populate_smc_initial_state(struct pp_hwmgr *hwmgr,
+ const struct tonga_power_state *bootState)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ uint8_t count, level;
+
+ count = (uint8_t) (pptable_info->vdd_dep_on_sclk->count);
+ for (level = 0; level < count; level++) {
+ if (pptable_info->vdd_dep_on_sclk->entries[level].clk >=
+ bootState->performance_levels[0].engine_clock) {
+ data->smc_state_table.GraphicsBootLevel = level;
+ break;
+ }
+ }
+
+ count = (uint8_t) (pptable_info->vdd_dep_on_mclk->count);
+ for (level = 0; level < count; level++) {
+ if (pptable_info->vdd_dep_on_mclk->entries[level].clk >=
+ bootState->performance_levels[0].memory_clock) {
+ data->smc_state_table.MemoryBootLevel = level;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Initializes the SMC table and uploads it
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param pInput the pointer to input data (PowerState)
+ * @return always 0
+ */
+int tonga_init_smc_table(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ SMU72_Discrete_DpmTable *table = &(data->smc_state_table);
+ const phw_tonga_ulv_parm *ulv = &(data->ulv);
+ uint8_t i;
+ PECI_RegistryValue reg_value;
+ pp_atomctrl_gpio_pin_assignment gpio_pin_assignment;
+
+ result = tonga_setup_default_dpm_tables(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to setup default DPM tables!", return result;);
+ memset(&(data->smc_state_table), 0x00, sizeof(data->smc_state_table));
+ if (TONGA_VOLTAGE_CONTROL_NONE != data->voltage_control) {
+ tonga_populate_smc_voltage_tables(hwmgr, table);
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition)) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_StepVddc)) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
+ }
+
+ if (data->is_memory_GDDR5) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
+ }
+
+ i = PHM_READ_FIELD(hwmgr->device, CC_MC_MAX_CHANNEL, NOOFCHAN);
+
+ if (i == 1 || i == 0) {
+ table->SystemFlags |= PPSMC_SYSTEMFLAG_12CHANNEL;
+ }
+
+ if (ulv->ulv_supported && pptable_info->us_ulv_voltage_offset) {
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize ULV state!", return result;);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_ULV_PARAMETER, ulv->ch_ulv_parameter);
+ }
+
+ result = tonga_populate_smc_link_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Link Level!", return result;);
+
+ result = tonga_populate_all_graphic_levels(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Graphics Level!", return result;);
+
+ result = tonga_populate_all_memory_levels(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Memory Level!", return result;);
+
+ result = tonga_populate_smv_acpi_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize ACPI Level!", return result;);
+
+ result = tonga_populate_smc_vce_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize VCE Level!", return result;);
+
+ result = tonga_populate_smc_acp_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize ACP Level!", return result;);
+
+ result = tonga_populate_smc_samu_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize SAMU Level!", return result;);
+
+ /* Since only the initial state is completely set up at this point (the other states are just copies of the boot state) we only */
+ /* need to populate the ARB settings for the initial state. */
+ result = tonga_program_memory_timing_parameters(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to Write ARB settings for the initial state.", return result;);
+
+ result = tonga_populate_smc_boot_level(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize Boot Level!", return result;);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ClockStretcher)) {
+ result = tonga_populate_clock_stretcher_data_table(hwmgr);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to populate Clock Stretcher Data Table!", return result;);
+ }
+ table->GraphicsVoltageChangeEnable = 1;
+ table->GraphicsThermThrottleEnable = 1;
+ table->GraphicsInterval = 1;
+ table->VoltageInterval = 1;
+ table->ThermalInterval = 1;
+ table->TemperatureLimitHigh =
+ pptable_info->cac_dtp_table->usTargetOperatingTemp *
+ TONGA_Q88_FORMAT_CONVERSION_UNIT;
+ table->TemperatureLimitLow =
+ (pptable_info->cac_dtp_table->usTargetOperatingTemp - 1) *
+ TONGA_Q88_FORMAT_CONVERSION_UNIT;
+ table->MemoryVoltageChangeEnable = 1;
+ table->MemoryInterval = 1;
+ table->VoltageResponseTime = 0;
+ table->PhaseResponseTime = 0;
+ table->MemoryThermThrottleEnable = 1;
+
+ /*
+ * Cail reads current link status and reports it as cap (we cannot change this due to some previous issues we had)
+ * SMC drops the link status to lowest level after enabling DPM by PowerPlay. After pnp or toggling CF, driver gets reloaded again
+ * but this time Cail reads current link status which was set to low by SMC and reports it as cap to powerplay
+ * To avoid it, we set PCIeBootLinkLevel to highest dpm level
+ */
+ PP_ASSERT_WITH_CODE((1 <= data->dpm_table.pcie_speed_table.count),
+ "There must be 1 or more PCIE levels defined in PPTable.",
+ return -1);
+
+ table->PCIeBootLinkLevel = (uint8_t) (data->dpm_table.pcie_speed_table.count);
+
+ table->PCIeGenInterval = 1;
+
+ result = tonga_populate_vr_config(hwmgr, table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to populate VRConfig setting!", return result);
+
+ table->ThermGpio = 17;
+ table->SclkStepSize = 0x4000;
+
+ reg_value = 0;
+ if ((0 == reg_value) &&
+ (0 == atomctrl_get_pp_assign_pin(hwmgr,
+ VDDC_VRHOT_GPIO_PINID, &gpio_pin_assignment))) {
+ table->VRHotGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift;
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_RegulatorHot);
+ } else {
+ table->VRHotGpio = TONGA_UNUSED_GPIO_PIN;
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_RegulatorHot);
+ }
+
+ /* ACDC Switch GPIO */
+ reg_value = 0;
+ if ((0 == reg_value) &&
+ (0 == atomctrl_get_pp_assign_pin(hwmgr,
+ PP_AC_DC_SWITCH_GPIO_PINID, &gpio_pin_assignment))) {
+ table->AcDcGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift;
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition);
+ } else {
+ table->AcDcGpio = TONGA_UNUSED_GPIO_PIN;
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition);
+ }
+
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_Falcon_QuickTransition);
+
+ reg_value = 0;
+ if (1 == reg_value) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_AutomaticDCTransition);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_Falcon_QuickTransition);
+ }
+
+ reg_value = 0;
+ if ((0 == reg_value) &&
+ (0 == atomctrl_get_pp_assign_pin(hwmgr,
+ THERMAL_INT_OUTPUT_GPIO_PINID, &gpio_pin_assignment))) {
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ThermalOutGPIO);
+
+ table->ThermOutGpio = gpio_pin_assignment.uc_gpio_pin_bit_shift;
+
+ table->ThermOutPolarity =
+ (0 == (cgs_read_register(hwmgr->device, mmGPIOPAD_A) &
+ (1 << gpio_pin_assignment.uc_gpio_pin_bit_shift))) ? 1:0;
+
+ table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_ONLY;
+
+ /* if required, combine VRHot/PCC with thermal out GPIO*/
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_RegulatorHot) &&
+ phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_CombinePCCWithThermalSignal)){
+ table->ThermOutMode = SMU7_THERM_OUT_MODE_THERM_VRHOT;
+ }
+ } else {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ThermalOutGPIO);
+
+ table->ThermOutGpio = 17;
+ table->ThermOutPolarity = 1;
+ table->ThermOutMode = SMU7_THERM_OUT_MODE_DISABLE;
+ }
+
+ for (i = 0; i < SMU72_MAX_ENTRIES_SMIO; i++) {
+ table->Smio[i] = PP_HOST_TO_SMC_UL(table->Smio[i]);
+ }
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SystemFlags);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->VRConfig);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask1);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SmioMask2);
+ CONVERT_FROM_HOST_TO_SMC_UL(table->SclkStepSize);
+ CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitHigh);
+ CONVERT_FROM_HOST_TO_SMC_US(table->TemperatureLimitLow);
+ CONVERT_FROM_HOST_TO_SMC_US(table->VoltageResponseTime);
+ CONVERT_FROM_HOST_TO_SMC_US(table->PhaseResponseTime);
+
+ /* Upload all dpm data to SMC memory.(dpm level, dpm level count etc) */
+ result = tonga_copy_bytes_to_smc(hwmgr->smumgr, data->dpm_table_start +
+ offsetof(SMU72_Discrete_DpmTable, SystemFlags),
+ (uint8_t *)&(table->SystemFlags),
+ sizeof(SMU72_Discrete_DpmTable)-3 * sizeof(SMU72_PIDController),
+ data->sram_end);
+
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to upload dpm data to SMC memory!", return result;);
+
+ return result;
+}
+
+/* Look up the voltaged based on DAL's requested level. and then send the requested VDDC voltage to SMC*/
+static void tonga_apply_dal_minimum_voltage_request(struct pp_hwmgr *hwmgr)
+{
+ return;
+}
+
+int tonga_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr)
+{
+ PPSMC_Result result;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* Apply minimum voltage based on DAL's request level */
+ tonga_apply_dal_minimum_voltage_request(hwmgr);
+
+ if (0 == data->sclk_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ if (0 != tonga_is_dpm_running(hwmgr))
+ printk(KERN_ERR "[ powerplay ] Trying to set Enable Mask when DPM is disabled \n");
+
+ if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) {
+ result = smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)PPSMC_MSG_SCLKDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Set Sclk Dpm enable Mask failed", return -1);
+ }
+ }
+
+ if (0 == data->mclk_dpm_key_disabled) {
+ /* Checking if DPM is running. If we discover hang because of this, we should skip this message.*/
+ if (0 != tonga_is_dpm_running(hwmgr))
+ printk(KERN_ERR "[ powerplay ] Trying to set Enable Mask when DPM is disabled \n");
+
+ if (0 != data->dpm_level_enable_mask.mclk_dpm_enable_mask) {
+ result = smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)PPSMC_MSG_MCLKDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Set Mclk Dpm enable Mask failed", return -1);
+ }
+ }
+
+ return 0;
+}
+
+
+int tonga_force_dpm_highest(struct pp_hwmgr *hwmgr)
+{
+ uint32_t level, tmp;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->pcie_dpm_key_disabled) {
+ /* PCIE */
+ if (data->dpm_level_enable_mask.pcie_dpm_enable_mask != 0) {
+ level = 0;
+ tmp = data->dpm_level_enable_mask.pcie_dpm_enable_mask;
+ while (tmp >>= 1)
+ level++ ;
+
+ if (0 != level) {
+ PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state_pcie(hwmgr, level)),
+ "force highest pcie dpm state failed!", return -1);
+ }
+ }
+ }
+
+ if (0 == data->sclk_dpm_key_disabled) {
+ /* SCLK */
+ if (data->dpm_level_enable_mask.sclk_dpm_enable_mask != 0) {
+ level = 0;
+ tmp = data->dpm_level_enable_mask.sclk_dpm_enable_mask;
+ while (tmp >>= 1)
+ level++ ;
+
+ if (0 != level) {
+ PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state(hwmgr, level)),
+ "force highest sclk dpm state failed!", return -1);
+ if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX) != level)
+ printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \
+ Curr_Sclk_Index does not match the level \n");
+
+ }
+ }
+ }
+
+ if (0 == data->mclk_dpm_key_disabled) {
+ /* MCLK */
+ if (data->dpm_level_enable_mask.mclk_dpm_enable_mask != 0) {
+ level = 0;
+ tmp = data->dpm_level_enable_mask.mclk_dpm_enable_mask;
+ while (tmp >>= 1)
+ level++ ;
+
+ if (0 != level) {
+ PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state_mclk(hwmgr, level)),
+ "force highest mclk dpm state failed!", return -1);
+ if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ TARGET_AND_CURRENT_PROFILE_INDEX, CURR_MCLK_INDEX) != level)
+ printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \
+ Curr_Sclk_Index does not match the level \n");
+ }
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * Find the MC microcode version and store it in the HwMgr struct
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_get_mc_microcode_version (struct pp_hwmgr *hwmgr)
+{
+ cgs_write_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_INDEX, 0x9F);
+
+ hwmgr->microcode_version_info.MC = cgs_read_register(hwmgr->device, mmMC_SEQ_IO_DEBUG_DATA);
+
+ return 0;
+}
+
+/**
+ * Initialize Dynamic State Adjustment Rule Settings
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ */
+int tonga_initializa_dynamic_state_adjustment_rule_settings(struct pp_hwmgr *hwmgr)
+{
+ uint32_t table_size;
+ struct phm_clock_voltage_dependency_table *table_clk_vlt;
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ hwmgr->dyn_state.mclk_sclk_ratio = 4;
+ hwmgr->dyn_state.sclk_mclk_delta = 15000; /* 150 MHz */
+ hwmgr->dyn_state.vddc_vddci_delta = 200; /* 200mV */
+
+ /* initialize vddc_dep_on_dal_pwrl table */
+ table_size = sizeof(uint32_t) + 4 * sizeof(struct phm_clock_voltage_dependency_record);
+ table_clk_vlt = (struct phm_clock_voltage_dependency_table *)kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == table_clk_vlt) {
+ printk(KERN_ERR "[ powerplay ] Can not allocate space for vddc_dep_on_dal_pwrl! \n");
+ return -ENOMEM;
+ } else {
+ table_clk_vlt->count = 4;
+ table_clk_vlt->entries[0].clk = PP_DAL_POWERLEVEL_ULTRALOW;
+ table_clk_vlt->entries[0].v = 0;
+ table_clk_vlt->entries[1].clk = PP_DAL_POWERLEVEL_LOW;
+ table_clk_vlt->entries[1].v = 720;
+ table_clk_vlt->entries[2].clk = PP_DAL_POWERLEVEL_NOMINAL;
+ table_clk_vlt->entries[2].v = 810;
+ table_clk_vlt->entries[3].clk = PP_DAL_POWERLEVEL_PERFORMANCE;
+ table_clk_vlt->entries[3].v = 900;
+ pptable_info->vddc_dep_on_dal_pwrl = table_clk_vlt;
+ hwmgr->dyn_state.vddc_dep_on_dal_pwrl = table_clk_vlt;
+ }
+
+ return 0;
+}
+
+static int tonga_set_private_var_based_on_pptale(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ phm_ppt_v1_clock_voltage_dependency_table *allowed_sclk_vdd_table =
+ pptable_info->vdd_dep_on_sclk;
+ phm_ppt_v1_clock_voltage_dependency_table *allowed_mclk_vdd_table =
+ pptable_info->vdd_dep_on_mclk;
+
+ PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table != NULL,
+ "VDD dependency on SCLK table is missing. \
+ This table is mandatory", return -1);
+ PP_ASSERT_WITH_CODE(allowed_sclk_vdd_table->count >= 1,
+ "VDD dependency on SCLK table has to have is missing. \
+ This table is mandatory", return -1);
+
+ PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table != NULL,
+ "VDD dependency on MCLK table is missing. \
+ This table is mandatory", return -1);
+ PP_ASSERT_WITH_CODE(allowed_mclk_vdd_table->count >= 1,
+ "VDD dependency on MCLK table has to have is missing. \
+ This table is mandatory", return -1);
+
+ data->min_vddc_in_pp_table = (uint16_t)allowed_sclk_vdd_table->entries[0].vddc;
+ data->max_vddc_in_pp_table = (uint16_t)allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc;
+
+ pptable_info->max_clock_voltage_on_ac.sclk =
+ allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].clk;
+ pptable_info->max_clock_voltage_on_ac.mclk =
+ allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].clk;
+ pptable_info->max_clock_voltage_on_ac.vddc =
+ allowed_sclk_vdd_table->entries[allowed_sclk_vdd_table->count - 1].vddc;
+ pptable_info->max_clock_voltage_on_ac.vddci =
+ allowed_mclk_vdd_table->entries[allowed_mclk_vdd_table->count - 1].vddci;
+
+ hwmgr->dyn_state.max_clock_voltage_on_ac.sclk =
+ pptable_info->max_clock_voltage_on_ac.sclk;
+ hwmgr->dyn_state.max_clock_voltage_on_ac.mclk =
+ pptable_info->max_clock_voltage_on_ac.mclk;
+ hwmgr->dyn_state.max_clock_voltage_on_ac.vddc =
+ pptable_info->max_clock_voltage_on_ac.vddc;
+ hwmgr->dyn_state.max_clock_voltage_on_ac.vddci =
+ pptable_info->max_clock_voltage_on_ac.vddci;
+
+ return 0;
+}
+
+int tonga_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ int result = 1;
+
+ PP_ASSERT_WITH_CODE (0 == tonga_is_dpm_running(hwmgr),
+ "Trying to Unforce DPM when DPM is disabled. Returning without sending SMC message.",
+ return result);
+
+ if (0 == data->pcie_dpm_key_disabled) {
+ PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(
+ hwmgr->smumgr,
+ PPSMC_MSG_PCIeDPM_UnForceLevel)),
+ "unforce pcie level failed!",
+ return -1);
+ }
+
+ result = tonga_upload_dpm_level_enable_mask(hwmgr);
+
+ return result;
+}
+
+static uint32_t tonga_get_lowest_enable_level(
+ struct pp_hwmgr *hwmgr, uint32_t level_mask)
+{
+ uint32_t level = 0;
+
+ while (0 == (level_mask & (1 << level)))
+ level++;
+
+ return level;
+}
+
+static int tonga_force_dpm_lowest(struct pp_hwmgr *hwmgr)
+{
+ uint32_t level = 0;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* for now force only sclk */
+ if (0 != data->dpm_level_enable_mask.sclk_dpm_enable_mask) {
+ level = tonga_get_lowest_enable_level(hwmgr,
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask);
+
+ PP_ASSERT_WITH_CODE((0 == tonga_dpm_force_state(hwmgr, level)),
+ "force sclk dpm state failed!", return -1);
+
+ if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, TARGET_AND_CURRENT_PROFILE_INDEX, CURR_SCLK_INDEX) != level)
+ printk(KERN_ERR "[ powerplay ] Target_and_current_Profile_Index. \
+ Curr_Sclk_Index does not match the level \n");
+ }
+
+ return 0;
+}
+
+static int tonga_patch_voltage_dependency_tables_with_lookup_table(struct pp_hwmgr *hwmgr)
+{
+ uint8_t entryId;
+ uint8_t voltageId;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk;
+ phm_ppt_v1_clock_voltage_dependency_table *mclk_table = pptable_info->vdd_dep_on_mclk;
+ phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table;
+
+ if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) {
+ for (entryId = 0; entryId < sclk_table->count; ++entryId) {
+ voltageId = sclk_table->entries[entryId].vddInd;
+ sclk_table->entries[entryId].vddgfx =
+ pptable_info->vddgfx_lookup_table->entries[voltageId].us_vdd;
+ }
+ } else {
+ for (entryId = 0; entryId < sclk_table->count; ++entryId) {
+ voltageId = sclk_table->entries[entryId].vddInd;
+ sclk_table->entries[entryId].vddc =
+ pptable_info->vddc_lookup_table->entries[voltageId].us_vdd;
+ }
+ }
+
+ for (entryId = 0; entryId < mclk_table->count; ++entryId) {
+ voltageId = mclk_table->entries[entryId].vddInd;
+ mclk_table->entries[entryId].vddc =
+ pptable_info->vddc_lookup_table->entries[voltageId].us_vdd;
+ }
+
+ for (entryId = 0; entryId < mm_table->count; ++entryId) {
+ voltageId = mm_table->entries[entryId].vddcInd;
+ mm_table->entries[entryId].vddc =
+ pptable_info->vddc_lookup_table->entries[voltageId].us_vdd;
+ }
+
+ return 0;
+
+}
+
+static int tonga_calc_voltage_dependency_tables(struct pp_hwmgr *hwmgr)
+{
+ uint8_t entryId;
+ phm_ppt_v1_voltage_lookup_record v_record;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ phm_ppt_v1_clock_voltage_dependency_table *sclk_table = pptable_info->vdd_dep_on_sclk;
+ phm_ppt_v1_clock_voltage_dependency_table *mclk_table = pptable_info->vdd_dep_on_mclk;
+
+ if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) {
+ for (entryId = 0; entryId < sclk_table->count; ++entryId) {
+ if (sclk_table->entries[entryId].vdd_offset & (1 << 15))
+ v_record.us_vdd = sclk_table->entries[entryId].vddgfx +
+ sclk_table->entries[entryId].vdd_offset - 0xFFFF;
+ else
+ v_record.us_vdd = sclk_table->entries[entryId].vddgfx +
+ sclk_table->entries[entryId].vdd_offset;
+
+ sclk_table->entries[entryId].vddc =
+ v_record.us_cac_low = v_record.us_cac_mid =
+ v_record.us_cac_high = v_record.us_vdd;
+
+ tonga_add_voltage(hwmgr, pptable_info->vddc_lookup_table, &v_record);
+ }
+
+ for (entryId = 0; entryId < mclk_table->count; ++entryId) {
+ if (mclk_table->entries[entryId].vdd_offset & (1 << 15))
+ v_record.us_vdd = mclk_table->entries[entryId].vddc +
+ mclk_table->entries[entryId].vdd_offset - 0xFFFF;
+ else
+ v_record.us_vdd = mclk_table->entries[entryId].vddc +
+ mclk_table->entries[entryId].vdd_offset;
+
+ mclk_table->entries[entryId].vddgfx = v_record.us_cac_low =
+ v_record.us_cac_mid = v_record.us_cac_high = v_record.us_vdd;
+ tonga_add_voltage(hwmgr, pptable_info->vddgfx_lookup_table, &v_record);
+ }
+ }
+
+ return 0;
+
+}
+
+static int tonga_calc_mm_voltage_dependency_table(struct pp_hwmgr *hwmgr)
+{
+ uint32_t entryId;
+ phm_ppt_v1_voltage_lookup_record v_record;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table = pptable_info->mm_dep_table;
+
+ if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) {
+ for (entryId = 0; entryId < mm_table->count; entryId++) {
+ if (mm_table->entries[entryId].vddgfx_offset & (1 << 15))
+ v_record.us_vdd = mm_table->entries[entryId].vddc +
+ mm_table->entries[entryId].vddgfx_offset - 0xFFFF;
+ else
+ v_record.us_vdd = mm_table->entries[entryId].vddc +
+ mm_table->entries[entryId].vddgfx_offset;
+
+ /* Add the calculated VDDGFX to the VDDGFX lookup table */
+ mm_table->entries[entryId].vddgfx = v_record.us_cac_low =
+ v_record.us_cac_mid = v_record.us_cac_high = v_record.us_vdd;
+ tonga_add_voltage(hwmgr, pptable_info->vddgfx_lookup_table, &v_record);
+ }
+ }
+ return 0;
+}
+
+
+/**
+ * Change virtual leakage voltage to actual value.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param pointer to changing voltage
+ * @param pointer to leakage table
+ */
+static void tonga_patch_with_vdd_leakage(struct pp_hwmgr *hwmgr,
+ uint16_t *voltage, phw_tonga_leakage_voltage *pLeakageTable)
+{
+ uint32_t leakage_index;
+
+ /* search for leakage voltage ID 0xff01 ~ 0xff08 */
+ for (leakage_index = 0; leakage_index < pLeakageTable->count; leakage_index++) {
+ /* if this voltage matches a leakage voltage ID */
+ /* patch with actual leakage voltage */
+ if (pLeakageTable->leakage_id[leakage_index] == *voltage) {
+ *voltage = pLeakageTable->actual_voltage[leakage_index];
+ break;
+ }
+ }
+
+ if (*voltage > ATOM_VIRTUAL_VOLTAGE_ID0)
+ printk(KERN_ERR "[ powerplay ] Voltage value looks like a Leakage ID but it's not patched \n");
+}
+
+/**
+ * Patch voltage lookup table by EVV leakages.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param pointer to voltage lookup table
+ * @param pointer to leakage table
+ * @return always 0
+ */
+static int tonga_patch_lookup_table_with_leakage(struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_voltage_lookup_table *lookup_table,
+ phw_tonga_leakage_voltage *pLeakageTable)
+{
+ uint32_t i;
+
+ for (i = 0; i < lookup_table->count; i++) {
+ tonga_patch_with_vdd_leakage(hwmgr,
+ &lookup_table->entries[i].us_vdd, pLeakageTable);
+ }
+
+ return 0;
+}
+
+static int tonga_patch_clock_voltage_lomits_with_vddc_leakage(struct pp_hwmgr *hwmgr,
+ phw_tonga_leakage_voltage *pLeakageTable, uint16_t *Vddc)
+{
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ tonga_patch_with_vdd_leakage(hwmgr, (uint16_t *)Vddc, pLeakageTable);
+ hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
+ pptable_info->max_clock_voltage_on_dc.vddc;
+
+ return 0;
+}
+
+static int tonga_patch_clock_voltage_limits_with_vddgfx_leakage(
+ struct pp_hwmgr *hwmgr, phw_tonga_leakage_voltage *pLeakageTable,
+ uint16_t *Vddgfx)
+{
+ tonga_patch_with_vdd_leakage(hwmgr, (uint16_t *)Vddgfx, pLeakageTable);
+ return 0;
+}
+
+int tonga_sort_lookup_table(struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_voltage_lookup_table *lookup_table)
+{
+ uint32_t table_size, i, j;
+ phm_ppt_v1_voltage_lookup_record tmp_voltage_lookup_record;
+ table_size = lookup_table->count;
+
+ PP_ASSERT_WITH_CODE(0 != lookup_table->count,
+ "Lookup table is empty", return -1);
+
+ /* Sorting voltages */
+ for (i = 0; i < table_size - 1; i++) {
+ for (j = i + 1; j > 0; j--) {
+ if (lookup_table->entries[j].us_vdd < lookup_table->entries[j-1].us_vdd) {
+ tmp_voltage_lookup_record = lookup_table->entries[j-1];
+ lookup_table->entries[j-1] = lookup_table->entries[j];
+ lookup_table->entries[j] = tmp_voltage_lookup_record;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int tonga_complete_dependency_tables(struct pp_hwmgr *hwmgr)
+{
+ int result = 0;
+ int tmp_result;
+ tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ if (data->vdd_gfx_control == TONGA_VOLTAGE_CONTROL_BY_SVID2) {
+ tmp_result = tonga_patch_lookup_table_with_leakage(hwmgr,
+ pptable_info->vddgfx_lookup_table, &(data->vddcgfx_leakage));
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ tmp_result = tonga_patch_clock_voltage_limits_with_vddgfx_leakage(hwmgr,
+ &(data->vddcgfx_leakage), &pptable_info->max_clock_voltage_on_dc.vddgfx);
+ if (tmp_result != 0)
+ result = tmp_result;
+ } else {
+ tmp_result = tonga_patch_lookup_table_with_leakage(hwmgr,
+ pptable_info->vddc_lookup_table, &(data->vddc_leakage));
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ tmp_result = tonga_patch_clock_voltage_lomits_with_vddc_leakage(hwmgr,
+ &(data->vddc_leakage), &pptable_info->max_clock_voltage_on_dc.vddc);
+ if (tmp_result != 0)
+ result = tmp_result;
+ }
+
+ tmp_result = tonga_patch_voltage_dependency_tables_with_lookup_table(hwmgr);
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ tmp_result = tonga_calc_voltage_dependency_tables(hwmgr);
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ tmp_result = tonga_calc_mm_voltage_dependency_table(hwmgr);
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ tmp_result = tonga_sort_lookup_table(hwmgr, pptable_info->vddgfx_lookup_table);
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ tmp_result = tonga_sort_lookup_table(hwmgr, pptable_info->vddc_lookup_table);
+ if (tmp_result != 0)
+ result = tmp_result;
+
+ return result;
+}
+
+int tonga_init_sclk_threshold(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ data->low_sclk_interrupt_threshold = 0;
+
+ return 0;
+}
+
+int tonga_setup_asic_task(struct pp_hwmgr *hwmgr)
+{
+ int tmp_result, result = 0;
+
+ tmp_result = tonga_read_clock_registers(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to read clock registers!", result = tmp_result);
+
+ tmp_result = tonga_get_memory_type(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to get memory type!", result = tmp_result);
+
+ tmp_result = tonga_enable_acpi_power_management(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable ACPI power management!", result = tmp_result);
+
+ tmp_result = tonga_init_power_gate_state(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to init power gate state!", result = tmp_result);
+
+ tmp_result = tonga_get_mc_microcode_version(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to get MC microcode version!", result = tmp_result);
+
+ tmp_result = tonga_init_sclk_threshold(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to init sclk threshold!", result = tmp_result);
+
+ return result;
+}
+
+/**
+ * Enable voltage control
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_enable_voltage_control(struct pp_hwmgr *hwmgr)
+{
+ /* enable voltage control */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, GENERAL_PWRMGT, VOLT_PWRMGT_EN, 1);
+
+ return 0;
+}
+
+/**
+ * Checks if we want to support voltage control
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ */
+bool cf_tonga_voltage_control(const struct pp_hwmgr *hwmgr)
+{
+ const struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ return(TONGA_VOLTAGE_CONTROL_NONE != data->voltage_control);
+}
+
+/*---------------------------MC----------------------------*/
+
+uint8_t tonga_get_memory_modile_index(struct pp_hwmgr *hwmgr)
+{
+ return (uint8_t) (0xFF & (cgs_read_register(hwmgr->device, mmBIOS_SCRATCH_4) >> 16));
+}
+
+bool tonga_check_s0_mc_reg_index(uint16_t inReg, uint16_t *outReg)
+{
+ bool result = 1;
+
+ switch (inReg) {
+ case mmMC_SEQ_RAS_TIMING:
+ *outReg = mmMC_SEQ_RAS_TIMING_LP;
+ break;
+
+ case mmMC_SEQ_DLL_STBY:
+ *outReg = mmMC_SEQ_DLL_STBY_LP;
+ break;
+
+ case mmMC_SEQ_G5PDX_CMD0:
+ *outReg = mmMC_SEQ_G5PDX_CMD0_LP;
+ break;
+
+ case mmMC_SEQ_G5PDX_CMD1:
+ *outReg = mmMC_SEQ_G5PDX_CMD1_LP;
+ break;
+
+ case mmMC_SEQ_G5PDX_CTRL:
+ *outReg = mmMC_SEQ_G5PDX_CTRL_LP;
+ break;
+
+ case mmMC_SEQ_CAS_TIMING:
+ *outReg = mmMC_SEQ_CAS_TIMING_LP;
+ break;
+
+ case mmMC_SEQ_MISC_TIMING:
+ *outReg = mmMC_SEQ_MISC_TIMING_LP;
+ break;
+
+ case mmMC_SEQ_MISC_TIMING2:
+ *outReg = mmMC_SEQ_MISC_TIMING2_LP;
+ break;
+
+ case mmMC_SEQ_PMG_DVS_CMD:
+ *outReg = mmMC_SEQ_PMG_DVS_CMD_LP;
+ break;
+
+ case mmMC_SEQ_PMG_DVS_CTL:
+ *outReg = mmMC_SEQ_PMG_DVS_CTL_LP;
+ break;
+
+ case mmMC_SEQ_RD_CTL_D0:
+ *outReg = mmMC_SEQ_RD_CTL_D0_LP;
+ break;
+
+ case mmMC_SEQ_RD_CTL_D1:
+ *outReg = mmMC_SEQ_RD_CTL_D1_LP;
+ break;
+
+ case mmMC_SEQ_WR_CTL_D0:
+ *outReg = mmMC_SEQ_WR_CTL_D0_LP;
+ break;
+
+ case mmMC_SEQ_WR_CTL_D1:
+ *outReg = mmMC_SEQ_WR_CTL_D1_LP;
+ break;
+
+ case mmMC_PMG_CMD_EMRS:
+ *outReg = mmMC_SEQ_PMG_CMD_EMRS_LP;
+ break;
+
+ case mmMC_PMG_CMD_MRS:
+ *outReg = mmMC_SEQ_PMG_CMD_MRS_LP;
+ break;
+
+ case mmMC_PMG_CMD_MRS1:
+ *outReg = mmMC_SEQ_PMG_CMD_MRS1_LP;
+ break;
+
+ case mmMC_SEQ_PMG_TIMING:
+ *outReg = mmMC_SEQ_PMG_TIMING_LP;
+ break;
+
+ case mmMC_PMG_CMD_MRS2:
+ *outReg = mmMC_SEQ_PMG_CMD_MRS2_LP;
+ break;
+
+ case mmMC_SEQ_WR_CTL_2:
+ *outReg = mmMC_SEQ_WR_CTL_2_LP;
+ break;
+
+ default:
+ result = 0;
+ break;
+ }
+
+ return result;
+}
+
+int tonga_set_s0_mc_reg_index(phw_tonga_mc_reg_table *table)
+{
+ uint32_t i;
+ uint16_t address;
+
+ for (i = 0; i < table->last; i++) {
+ table->mc_reg_address[i].s0 =
+ tonga_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address)
+ ? address : table->mc_reg_address[i].s1;
+ }
+ return 0;
+}
+
+int tonga_copy_vbios_smc_reg_table(const pp_atomctrl_mc_reg_table *table, phw_tonga_mc_reg_table *ni_table)
+{
+ uint8_t i, j;
+
+ PP_ASSERT_WITH_CODE((table->last <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ PP_ASSERT_WITH_CODE((table->num_entries <= MAX_AC_TIMING_ENTRIES),
+ "Invalid VramInfo table.", return -1);
+
+ for (i = 0; i < table->last; i++) {
+ ni_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
+ }
+ ni_table->last = table->last;
+
+ for (i = 0; i < table->num_entries; i++) {
+ ni_table->mc_reg_table_entry[i].mclk_max =
+ table->mc_reg_table_entry[i].mclk_max;
+ for (j = 0; j < table->last; j++) {
+ ni_table->mc_reg_table_entry[i].mc_data[j] =
+ table->mc_reg_table_entry[i].mc_data[j];
+ }
+ }
+ ni_table->num_entries = table->num_entries;
+
+ return 0;
+}
+
+/**
+ * VBIOS omits some information to reduce size, we need to recover them here.
+ * 1. when we see mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to mmMC_PMG_CMD_EMRS /_LP[15:0].
+ * Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0]
+ * 2. when we see mmMC_SEQ_RESERVE_M, bit[15:0] EMRS2, need to be write to mmMC_PMG_CMD_MRS1/_LP[15:0].
+ * 3. need to set these data for each clock range
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @param table the address of MCRegTable
+ * @return always 0
+ */
+int tonga_set_mc_special_registers(struct pp_hwmgr *hwmgr, phw_tonga_mc_reg_table *table)
+{
+ uint8_t i, j, k;
+ uint32_t temp_reg;
+ const tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ for (i = 0, j = table->last; i < table->last; i++) {
+ PP_ASSERT_WITH_CODE((j < SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ switch (table->mc_reg_address[i].s1) {
+ /*
+ * mmMC_SEQ_MISC1, bit[31:16] EMRS1, need to be write to mmMC_PMG_CMD_EMRS /_LP[15:0].
+ * Bit[15:0] MRS, need to be update mmMC_PMG_CMD_MRS/_LP[15:0]
+ */
+ case mmMC_SEQ_MISC1:
+ temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS);
+ table->mc_reg_address[j].s1 = mmMC_PMG_CMD_EMRS;
+ table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_EMRS_LP;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ ((temp_reg & 0xffff0000)) |
+ ((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j < SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+
+ temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS);
+ table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS;
+ table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS_LP;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ (temp_reg & 0xffff0000) |
+ (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
+
+ if (!data->is_memory_GDDR5) {
+ table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
+ }
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+
+ if (!data->is_memory_GDDR5) {
+ table->mc_reg_address[j].s1 = mmMC_PMG_AUTO_CMD;
+ table->mc_reg_address[j].s0 = mmMC_PMG_AUTO_CMD;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16;
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ }
+
+ break;
+
+ case mmMC_SEQ_RESERVE_M:
+ temp_reg = cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1);
+ table->mc_reg_address[j].s1 = mmMC_PMG_CMD_MRS1;
+ table->mc_reg_address[j].s0 = mmMC_SEQ_PMG_CMD_MRS1_LP;
+ for (k = 0; k < table->num_entries; k++) {
+ table->mc_reg_table_entry[k].mc_data[j] =
+ (temp_reg & 0xffff0000) |
+ (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
+ }
+ j++;
+ PP_ASSERT_WITH_CODE((j <= SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE),
+ "Invalid VramInfo table.", return -1);
+ break;
+
+ default:
+ break;
+ }
+
+ }
+
+ table->last = j;
+
+ return 0;
+}
+
+int tonga_set_valid_flag(phw_tonga_mc_reg_table *table)
+{
+ uint8_t i, j;
+ for (i = 0; i < table->last; i++) {
+ for (j = 1; j < table->num_entries; j++) {
+ if (table->mc_reg_table_entry[j-1].mc_data[i] !=
+ table->mc_reg_table_entry[j].mc_data[i]) {
+ table->validflag |= (1<<i);
+ break;
+ }
+ }
+ }
+
+ return 0;
+}
+
+int tonga_initialize_mc_reg_table(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_mc_reg_table *table;
+ phw_tonga_mc_reg_table *ni_table = &data->tonga_mc_reg_table;
+ uint8_t module_index = tonga_get_memory_modile_index(hwmgr);
+
+ table = kzalloc(sizeof(pp_atomctrl_mc_reg_table), GFP_KERNEL);
+
+ if (NULL == table)
+ return -1;
+
+ /* Program additional LP registers that are no longer programmed by VBIOS */
+ cgs_write_register(hwmgr->device, mmMC_SEQ_RAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RAS_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_CAS_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_CAS_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_DLL_STBY_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_DLL_STBY));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD0));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CMD1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_G5PDX_CTRL));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CMD));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_DVS_CTL));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_MISC_TIMING2));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_EMRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_EMRS));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS1_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D0));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_D1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D0));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_RD_CTL_D1));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_TIMING_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_PMG_TIMING));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_PMG_CMD_MRS2_LP, cgs_read_register(hwmgr->device, mmMC_PMG_CMD_MRS2));
+ cgs_write_register(hwmgr->device, mmMC_SEQ_WR_CTL_2_LP, cgs_read_register(hwmgr->device, mmMC_SEQ_WR_CTL_2));
+
+ memset(table, 0x00, sizeof(pp_atomctrl_mc_reg_table));
+
+ result = atomctrl_initialize_mc_reg_table(hwmgr, module_index, table);
+
+ if (0 == result)
+ result = tonga_copy_vbios_smc_reg_table(table, ni_table);
+
+ if (0 == result) {
+ tonga_set_s0_mc_reg_index(ni_table);
+ result = tonga_set_mc_special_registers(hwmgr, ni_table);
+ }
+
+ if (0 == result)
+ tonga_set_valid_flag(ni_table);
+
+ kfree(table);
+ return result;
+}
+
+/*
+* Copy one arb setting to another and then switch the active set.
+* arbFreqSrc and arbFreqDest is one of the MC_CG_ARB_FREQ_Fx constants.
+*/
+int tonga_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr,
+ uint32_t arbFreqSrc, uint32_t arbFreqDest)
+{
+ uint32_t mc_arb_dram_timing;
+ uint32_t mc_arb_dram_timing2;
+ uint32_t burst_time;
+ uint32_t mc_cg_config;
+
+ switch (arbFreqSrc) {
+ case MC_CG_ARB_FREQ_F0:
+ mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING);
+ mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2);
+ burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0);
+ break;
+
+ case MC_CG_ARB_FREQ_F1:
+ mc_arb_dram_timing = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1);
+ mc_arb_dram_timing2 = cgs_read_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1);
+ burst_time = PHM_READ_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1);
+ break;
+
+ default:
+ return -1;
+ }
+
+ switch (arbFreqDest) {
+ case MC_CG_ARB_FREQ_F0:
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING, mc_arb_dram_timing);
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2, mc_arb_dram_timing2);
+ PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE0, burst_time);
+ break;
+
+ case MC_CG_ARB_FREQ_F1:
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING_1, mc_arb_dram_timing);
+ cgs_write_register(hwmgr->device, mmMC_ARB_DRAM_TIMING2_1, mc_arb_dram_timing2);
+ PHM_WRITE_FIELD(hwmgr->device, MC_ARB_BURST_TIME, STATE1, burst_time);
+ break;
+
+ default:
+ return -1;
+ }
+
+ mc_cg_config = cgs_read_register(hwmgr->device, mmMC_CG_CONFIG);
+ mc_cg_config |= 0x0000000F;
+ cgs_write_register(hwmgr->device, mmMC_CG_CONFIG, mc_cg_config);
+ PHM_WRITE_FIELD(hwmgr->device, MC_ARB_CG, CG_ARB_REQ, arbFreqDest);
+
+ return 0;
+}
+
+/**
+ * Initial switch from ARB F0->F1
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ * This function is to be called from the SetPowerState table.
+ */
+int tonga_initial_switch_from_arb_f0_to_f1(struct pp_hwmgr *hwmgr)
+{
+ return tonga_copy_and_switch_arb_sets(hwmgr, MC_CG_ARB_FREQ_F0, MC_CG_ARB_FREQ_F1);
+}
+
+/**
+ * Initialize the ARB DRAM timing table's index field.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_init_arb_table_index(struct pp_hwmgr *hwmgr)
+{
+ const tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ uint32_t tmp;
+ int result;
+
+ /*
+ * This is a read-modify-write on the first byte of the ARB table.
+ * The first byte in the SMU72_Discrete_MCArbDramTimingTable structure is the field 'current'.
+ * This solution is ugly, but we never write the whole table only individual fields in it.
+ * In reality this field should not be in that structure but in a soft register.
+ */
+ result = tonga_read_smc_sram_dword(hwmgr->smumgr,
+ data->arb_table_start, &tmp, data->sram_end);
+
+ if (0 != result)
+ return result;
+
+ tmp &= 0x00FFFFFF;
+ tmp |= ((uint32_t)MC_CG_ARB_FREQ_F1) << 24;
+
+ return tonga_write_smc_sram_dword(hwmgr->smumgr,
+ data->arb_table_start, tmp, data->sram_end);
+}
+
+int tonga_populate_mc_reg_address(struct pp_hwmgr *hwmgr, SMU72_Discrete_MCRegisters *mc_reg_table)
+{
+ const struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ uint32_t i, j;
+
+ for (i = 0, j = 0; j < data->tonga_mc_reg_table.last; j++) {
+ if (data->tonga_mc_reg_table.validflag & 1<<j) {
+ PP_ASSERT_WITH_CODE(i < SMU72_DISCRETE_MC_REGISTER_ARRAY_SIZE,
+ "Index of mc_reg_table->address[] array out of boundary", return -1);
+ mc_reg_table->address[i].s0 =
+ PP_HOST_TO_SMC_US(data->tonga_mc_reg_table.mc_reg_address[j].s0);
+ mc_reg_table->address[i].s1 =
+ PP_HOST_TO_SMC_US(data->tonga_mc_reg_table.mc_reg_address[j].s1);
+ i++;
+ }
+ }
+
+ mc_reg_table->last = (uint8_t)i;
+
+ return 0;
+}
+
+/*convert register values from driver to SMC format */
+void tonga_convert_mc_registers(
+ const phw_tonga_mc_reg_entry * pEntry,
+ SMU72_Discrete_MCRegisterSet *pData,
+ uint32_t numEntries, uint32_t validflag)
+{
+ uint32_t i, j;
+
+ for (i = 0, j = 0; j < numEntries; j++) {
+ if (validflag & 1<<j) {
+ pData->value[i] = PP_HOST_TO_SMC_UL(pEntry->mc_data[j]);
+ i++;
+ }
+ }
+}
+
+/* find the entry in the memory range table, then populate the value to SMC's tonga_mc_reg_table */
+int tonga_convert_mc_reg_table_entry_to_smc(
+ struct pp_hwmgr *hwmgr,
+ const uint32_t memory_clock,
+ SMU72_Discrete_MCRegisterSet *mc_reg_table_data
+ )
+{
+ const tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ uint32_t i = 0;
+
+ for (i = 0; i < data->tonga_mc_reg_table.num_entries; i++) {
+ if (memory_clock <=
+ data->tonga_mc_reg_table.mc_reg_table_entry[i].mclk_max) {
+ break;
+ }
+ }
+
+ if ((i == data->tonga_mc_reg_table.num_entries) && (i > 0))
+ --i;
+
+ tonga_convert_mc_registers(&data->tonga_mc_reg_table.mc_reg_table_entry[i],
+ mc_reg_table_data, data->tonga_mc_reg_table.last, data->tonga_mc_reg_table.validflag);
+
+ return 0;
+}
+
+int tonga_convert_mc_reg_table_to_smc(struct pp_hwmgr *hwmgr,
+ SMU72_Discrete_MCRegisters *mc_reg_table)
+{
+ int result = 0;
+ tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ int res;
+ uint32_t i;
+
+ for (i = 0; i < data->dpm_table.mclk_table.count; i++) {
+ res = tonga_convert_mc_reg_table_entry_to_smc(
+ hwmgr,
+ data->dpm_table.mclk_table.dpm_levels[i].value,
+ &mc_reg_table->data[i]
+ );
+
+ if (0 != res)
+ result = res;
+ }
+
+ return result;
+}
+
+int tonga_populate_initial_mc_reg_table(struct pp_hwmgr *hwmgr)
+{
+ int result;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ memset(&data->mc_reg_table, 0x00, sizeof(SMU72_Discrete_MCRegisters));
+ result = tonga_populate_mc_reg_address(hwmgr, &(data->mc_reg_table));
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize MCRegTable for the MC register addresses!", return result;);
+
+ result = tonga_convert_mc_reg_table_to_smc(hwmgr, &data->mc_reg_table);
+ PP_ASSERT_WITH_CODE(0 == result,
+ "Failed to initialize MCRegTable for driver state!", return result;);
+
+ return tonga_copy_bytes_to_smc(hwmgr->smumgr, data->mc_reg_table_start,
+ (uint8_t *)&data->mc_reg_table, sizeof(SMU72_Discrete_MCRegisters), data->sram_end);
+}
+
+/**
+ * Programs static screed detection parameters
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_program_static_screen_threshold_parameters(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* Set static screen threshold unit*/
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD_UNIT,
+ data->static_screen_threshold_unit);
+ /* Set static screen threshold*/
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__SMC, CG_STATIC_SCREEN_PARAMETER, STATIC_SCREEN_THRESHOLD,
+ data->static_screen_threshold);
+
+ return 0;
+}
+
+/**
+ * Setup display gap for glitch free memory clock switching.
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_enable_display_gap(struct pp_hwmgr *hwmgr)
+{
+ uint32_t display_gap = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__SMC, ixCG_DISPLAY_GAP_CNTL);
+
+ display_gap = PHM_SET_FIELD(display_gap,
+ CG_DISPLAY_GAP_CNTL, DISP_GAP, DISPLAY_GAP_IGNORE);
+
+ display_gap = PHM_SET_FIELD(display_gap,
+ CG_DISPLAY_GAP_CNTL, DISP_GAP_MCHG, DISPLAY_GAP_VBLANK);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_DISPLAY_GAP_CNTL, display_gap);
+
+ return 0;
+}
+
+/**
+ * Programs activity state transition voting clients
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return always 0
+ */
+int tonga_program_voting_clients(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data = (tonga_hwmgr *)(hwmgr->backend);
+
+ /* Clear reset for voting clients before enabling DPM */
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ SCLK_PWRMGT_CNTL, RESET_SCLK_CNT, 0);
+ PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC,
+ SCLK_PWRMGT_CNTL, RESET_BUSY_CNT, 0);
+
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_0, data->voting_rights_clients0);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_1, data->voting_rights_clients1);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_2, data->voting_rights_clients2);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_3, data->voting_rights_clients3);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_4, data->voting_rights_clients4);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_5, data->voting_rights_clients5);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_6, data->voting_rights_clients6);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCG_FREQ_TRAN_VOTING_7, data->voting_rights_clients7);
+
+ return 0;
+}
+
+
+int tonga_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
+{
+ int tmp_result, result = 0;
+
+ tmp_result = tonga_check_for_dpm_stopped(hwmgr);
+
+ if (cf_tonga_voltage_control(hwmgr)) {
+ tmp_result = tonga_enable_voltage_control(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable voltage control!", result = tmp_result);
+
+ tmp_result = tonga_construct_voltage_tables(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to contruct voltage tables!", result = tmp_result);
+ }
+
+ tmp_result = tonga_initialize_mc_reg_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize MC reg table!", result = tmp_result);
+
+ tmp_result = tonga_program_static_screen_threshold_parameters(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to program static screen threshold parameters!", result = tmp_result);
+
+ tmp_result = tonga_enable_display_gap(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable display gap!", result = tmp_result);
+
+ tmp_result = tonga_program_voting_clients(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to program voting clients!", result = tmp_result);
+
+ tmp_result = tonga_process_firmware_header(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to process firmware header!", result = tmp_result);
+
+ tmp_result = tonga_initial_switch_from_arb_f0_to_f1(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize switch from ArbF0 to F1!", result = tmp_result);
+
+ tmp_result = tonga_init_smc_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize SMC table!", result = tmp_result);
+
+ tmp_result = tonga_init_arb_table_index(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to initialize ARB table index!", result = tmp_result);
+
+ tmp_result = tonga_populate_initial_mc_reg_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to populate initialize MC Reg table!", result = tmp_result);
+
+ /* enable SCLK control */
+ tmp_result = tonga_enable_sclk_control(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to enable SCLK control!", result = tmp_result);
+
+ /* enable DPM */
+ tmp_result = tonga_start_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to start DPM!", result = tmp_result);
+
+ return result;
+}
+
+int tonga_disable_dpm_tasks(struct pp_hwmgr *hwmgr)
+{
+ int tmp_result, result = 0;
+
+ tmp_result = tonga_check_for_dpm_running(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "SMC is still running!", return 0);
+
+ tmp_result = tonga_stop_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to stop DPM!", result = tmp_result);
+
+ tmp_result = tonga_reset_to_default(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result),
+ "Failed to reset to default!", result = tmp_result);
+
+ return result;
+}
+
+int tonga_reset_asic_tasks(struct pp_hwmgr *hwmgr)
+{
+ int result;
+
+ result = tonga_set_boot_state(hwmgr);
+ if (0 != result)
+ printk(KERN_ERR "[ powerplay ] Failed to reset asic via set boot state! \n");
+
+ return result;
+}
+
+int tonga_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
+{
+ if (NULL != hwmgr->dyn_state.vddc_dep_on_dal_pwrl) {
+ kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
+ hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL;
+ }
+
+ if (NULL != hwmgr->backend) {
+ kfree(hwmgr->backend);
+ hwmgr->backend = NULL;
+ }
+
+ return 0;
+}
+
+/**
+ * Initializes the Volcanic Islands Hardware Manager
+ *
+ * @param hwmgr the address of the powerplay hardware manager.
+ * @return 1 if success; otherwise appropriate error code.
+ */
+int tonga_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
+{
+ int result = 0;
+ SMU72_Discrete_DpmTable *table = NULL;
+ tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ pp_atomctrl_gpio_pin_assignment gpio_pin_assignment;
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ phw_tonga_ulv_parm *ulv;
+
+ PP_ASSERT_WITH_CODE((NULL != hwmgr),
+ "Invalid Parameter!", return -1;);
+
+ data->dll_defaule_on = 0;
+ data->sram_end = SMC_RAM_END;
+
+ data->activity_target[0] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[1] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[2] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[3] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[4] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[5] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[6] = PPTONGA_TARGETACTIVITY_DFLT;
+ data->activity_target[7] = PPTONGA_TARGETACTIVITY_DFLT;
+
+ data->vddc_vddci_delta = VDDC_VDDCI_DELTA;
+ data->vddc_vddgfx_delta = VDDC_VDDGFX_DELTA;
+ data->mclk_activity_target = PPTONGA_MCLK_TARGETACTIVITY_DFLT;
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableVoltageIsland);
+
+ data->sclk_dpm_key_disabled = 0;
+ data->mclk_dpm_key_disabled = 0;
+ data->pcie_dpm_key_disabled = 0;
+ data->pcc_monitor_enabled = 0;
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_UnTabledHardwareInterface);
+
+ data->gpio_debug = 0;
+ data->engine_clock_data = 0;
+ data->memory_clock_data = 0;
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DynamicPatchPowerState);
+
+ /* need to set voltage control types before EVV patching*/
+ data->voltage_control = TONGA_VOLTAGE_CONTROL_NONE;
+ data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_NONE;
+ data->vdd_gfx_control = TONGA_VOLTAGE_CONTROL_NONE;
+ data->mvdd_control = TONGA_VOLTAGE_CONTROL_NONE;
+
+ if (0 == atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDC, VOLTAGE_OBJ_SVID2)) {
+ data->voltage_control = TONGA_VOLTAGE_CONTROL_BY_SVID2;
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ControlVDDGFX)) {
+ if (0 == atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDGFX, VOLTAGE_OBJ_SVID2)) {
+ data->vdd_gfx_control = TONGA_VOLTAGE_CONTROL_BY_SVID2;
+ }
+ }
+
+ if (TONGA_VOLTAGE_CONTROL_NONE == data->vdd_gfx_control) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ControlVDDGFX);
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnableMVDDControl)) {
+ if (0 == atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_MVDDC, VOLTAGE_OBJ_GPIO_LUT)) {
+ data->mvdd_control = TONGA_VOLTAGE_CONTROL_BY_GPIO;
+ }
+ }
+
+ if (TONGA_VOLTAGE_CONTROL_NONE == data->mvdd_control) {
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnableMVDDControl);
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ControlVDDCI)) {
+ if (0 == atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_GPIO_LUT))
+ data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_BY_GPIO;
+ else if (0 == atomctrl_is_voltage_controled_by_gpio_v3(hwmgr,
+ VOLTAGE_TYPE_VDDCI, VOLTAGE_OBJ_SVID2))
+ data->vdd_ci_control = TONGA_VOLTAGE_CONTROL_BY_SVID2;
+ }
+
+ if (TONGA_VOLTAGE_CONTROL_NONE == data->vdd_ci_control)
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ControlVDDCI);
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface);
+
+ if (pptable_info->cac_dtp_table->usClockStretchAmount != 0)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ClockStretcher);
+
+ /* Initializes DPM default values*/
+ tonga_initialize_dpm_defaults(hwmgr);
+
+ /* Get leakage voltage based on leakage ID.*/
+ PP_ASSERT_WITH_CODE((0 == tonga_get_evv_voltage(hwmgr)),
+ "Get EVV Voltage Failed. Abort Driver loading!", return -1);
+
+ tonga_complete_dependency_tables(hwmgr);
+
+ /* Parse pptable data read from VBIOS*/
+ tonga_set_private_var_based_on_pptale(hwmgr);
+
+ /* ULV Support*/
+ ulv = &(data->ulv);
+ ulv->ulv_supported = 0;
+
+ /* Initalize Dynamic State Adjustment Rule Settings*/
+ result = tonga_initializa_dynamic_state_adjustment_rule_settings(hwmgr);
+ data->uvd_enabled = 0;
+
+ table = &(data->smc_state_table);
+
+ /*
+ * if ucGPIO_ID=VDDC_PCC_GPIO_PINID in GPIO_LUTable,
+ * Peak Current Control feature is enabled and we should program PCC HW register
+ */
+ if (0 == atomctrl_get_pp_assign_pin(hwmgr, VDDC_PCC_GPIO_PINID, &gpio_pin_assignment)) {
+ uint32_t temp_reg = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__SMC, ixCNB_PWRMGT_CNTL);
+
+ switch (gpio_pin_assignment.uc_gpio_pin_bit_shift) {
+ case 0:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x1);
+ break;
+ case 1:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, GNB_SLOW_MODE, 0x2);
+ break;
+ case 2:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, GNB_SLOW, 0x1);
+ break;
+ case 3:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, FORCE_NB_PS1, 0x1);
+ break;
+ case 4:
+ temp_reg = PHM_SET_FIELD(temp_reg,
+ CNB_PWRMGT_CNTL, DPM_ENABLED, 0x1);
+ break;
+ default:
+ printk(KERN_ERR "[ powerplay ] Failed to setup PCC HW register! \
+ Wrong GPIO assigned for VDDC_PCC_GPIO_PINID! \n");
+ break;
+ }
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+ ixCNB_PWRMGT_CNTL, temp_reg);
+ }
+
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnableSMU7ThermalManagement);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_SMU7);
+
+ data->vddc_phase_shed_control = 0;
+
+ if (0 == result) {
+ data->is_tlu_enabled = 0;
+ hwmgr->platform_descriptor.hardwareActivityPerformanceLevels =
+ TONGA_MAX_HARDWARE_POWERLEVELS;
+ hwmgr->platform_descriptor.hardwarePerformanceLevels = 2;
+ hwmgr->platform_descriptor.minimumClocksReductionPercentage = 50;
+
+ data->pcie_gen_cap = 0x30007;
+ data->pcie_lane_cap = 0x2f0000;
+ } else {
+ /* Ignore return value in here, we are cleaning up a mess. */
+ tonga_hwmgr_backend_fini(hwmgr);
+ }
+
+ return result;
+}
+
+static int tonga_force_dpm_level(struct pp_hwmgr *hwmgr,
+ enum amd_dpm_forced_level level)
+{
+ int ret = 0;
+
+ switch (level) {
+ case AMD_DPM_FORCED_LEVEL_HIGH:
+ ret = tonga_force_dpm_highest(hwmgr);
+ if (ret)
+ return ret;
+ break;
+ case AMD_DPM_FORCED_LEVEL_LOW:
+ ret = tonga_force_dpm_lowest(hwmgr);
+ if (ret)
+ return ret;
+ break;
+ case AMD_DPM_FORCED_LEVEL_AUTO:
+ ret = tonga_unforce_dpm_levels(hwmgr);
+ if (ret)
+ return ret;
+ break;
+ default:
+ break;
+ }
+
+ hwmgr->dpm_level = level;
+ return ret;
+}
+
+static int tonga_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
+ struct pp_power_state *prequest_ps,
+ const struct pp_power_state *pcurrent_ps)
+{
+ struct tonga_power_state *tonga_ps =
+ cast_phw_tonga_power_state(&prequest_ps->hardware);
+
+ uint32_t sclk;
+ uint32_t mclk;
+ struct PP_Clocks minimum_clocks = {0};
+ bool disable_mclk_switching;
+ bool disable_mclk_switching_for_frame_lock;
+ struct cgs_display_info info = {0};
+ const struct phm_clock_and_voltage_limits *max_limits;
+ uint32_t i;
+ tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ int32_t count;
+ int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0;
+
+ data->battery_state = (PP_StateUILabel_Battery == prequest_ps->classification.ui_label);
+
+ PP_ASSERT_WITH_CODE(tonga_ps->performance_level_count == 2,
+ "VI should always have 2 performance levels",
+ );
+
+ max_limits = (PP_PowerSource_AC == hwmgr->power_source) ?
+ &(hwmgr->dyn_state.max_clock_voltage_on_ac) :
+ &(hwmgr->dyn_state.max_clock_voltage_on_dc);
+
+ if (PP_PowerSource_DC == hwmgr->power_source) {
+ for (i = 0; i < tonga_ps->performance_level_count; i++) {
+ if (tonga_ps->performance_levels[i].memory_clock > max_limits->mclk)
+ tonga_ps->performance_levels[i].memory_clock = max_limits->mclk;
+ if (tonga_ps->performance_levels[i].engine_clock > max_limits->sclk)
+ tonga_ps->performance_levels[i].engine_clock = max_limits->sclk;
+ }
+ }
+
+ tonga_ps->vce_clocks.EVCLK = hwmgr->vce_arbiter.evclk;
+ tonga_ps->vce_clocks.ECCLK = hwmgr->vce_arbiter.ecclk;
+
+ tonga_ps->acp_clk = hwmgr->acp_arbiter.acpclk;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+
+ /*TO DO result = PHM_CheckVBlankTime(hwmgr, &vblankTooShort);*/
+
+ /* TO DO GetMinClockSettings(hwmgr->pPECI, &minimum_clocks); */
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) {
+
+ max_limits = &(hwmgr->dyn_state.max_clock_voltage_on_ac);
+ stable_pstate_sclk = (max_limits->sclk * 75) / 100;
+
+ for (count = pptable_info->vdd_dep_on_sclk->count-1; count >= 0; count--) {
+ if (stable_pstate_sclk >= pptable_info->vdd_dep_on_sclk->entries[count].clk) {
+ stable_pstate_sclk = pptable_info->vdd_dep_on_sclk->entries[count].clk;
+ break;
+ }
+ }
+
+ if (count < 0)
+ stable_pstate_sclk = pptable_info->vdd_dep_on_sclk->entries[0].clk;
+
+ stable_pstate_mclk = max_limits->mclk;
+
+ minimum_clocks.engineClock = stable_pstate_sclk;
+ minimum_clocks.memoryClock = stable_pstate_mclk;
+ }
+
+ if (minimum_clocks.engineClock < hwmgr->gfx_arbiter.sclk)
+ minimum_clocks.engineClock = hwmgr->gfx_arbiter.sclk;
+
+ if (minimum_clocks.memoryClock < hwmgr->gfx_arbiter.mclk)
+ minimum_clocks.memoryClock = hwmgr->gfx_arbiter.mclk;
+
+ tonga_ps->sclk_threshold = hwmgr->gfx_arbiter.sclk_threshold;
+
+ if (0 != hwmgr->gfx_arbiter.sclk_over_drive) {
+ PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.sclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.engineClock),
+ "Overdrive sclk exceeds limit",
+ hwmgr->gfx_arbiter.sclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.engineClock);
+
+ if (hwmgr->gfx_arbiter.sclk_over_drive >= hwmgr->gfx_arbiter.sclk)
+ tonga_ps->performance_levels[1].engine_clock = hwmgr->gfx_arbiter.sclk_over_drive;
+ }
+
+ if (0 != hwmgr->gfx_arbiter.mclk_over_drive) {
+ PP_ASSERT_WITH_CODE((hwmgr->gfx_arbiter.mclk_over_drive <= hwmgr->platform_descriptor.overdriveLimit.memoryClock),
+ "Overdrive mclk exceeds limit",
+ hwmgr->gfx_arbiter.mclk_over_drive = hwmgr->platform_descriptor.overdriveLimit.memoryClock);
+
+ if (hwmgr->gfx_arbiter.mclk_over_drive >= hwmgr->gfx_arbiter.mclk)
+ tonga_ps->performance_levels[1].memory_clock = hwmgr->gfx_arbiter.mclk_over_drive;
+ }
+
+ disable_mclk_switching_for_frame_lock = phm_cap_enabled(
+ hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_DisableMclkSwitchingForFrameLock);
+
+ disable_mclk_switching = (1 < info.display_count) ||
+ disable_mclk_switching_for_frame_lock;
+
+ sclk = tonga_ps->performance_levels[0].engine_clock;
+ mclk = tonga_ps->performance_levels[0].memory_clock;
+
+ if (disable_mclk_switching)
+ mclk = tonga_ps->performance_levels[tonga_ps->performance_level_count - 1].memory_clock;
+
+ if (sclk < minimum_clocks.engineClock)
+ sclk = (minimum_clocks.engineClock > max_limits->sclk) ? max_limits->sclk : minimum_clocks.engineClock;
+
+ if (mclk < minimum_clocks.memoryClock)
+ mclk = (minimum_clocks.memoryClock > max_limits->mclk) ? max_limits->mclk : minimum_clocks.memoryClock;
+
+ tonga_ps->performance_levels[0].engine_clock = sclk;
+ tonga_ps->performance_levels[0].memory_clock = mclk;
+
+ tonga_ps->performance_levels[1].engine_clock =
+ (tonga_ps->performance_levels[1].engine_clock >= tonga_ps->performance_levels[0].engine_clock) ?
+ tonga_ps->performance_levels[1].engine_clock :
+ tonga_ps->performance_levels[0].engine_clock;
+
+ if (disable_mclk_switching) {
+ if (mclk < tonga_ps->performance_levels[1].memory_clock)
+ mclk = tonga_ps->performance_levels[1].memory_clock;
+
+ tonga_ps->performance_levels[0].memory_clock = mclk;
+ tonga_ps->performance_levels[1].memory_clock = mclk;
+ } else {
+ if (tonga_ps->performance_levels[1].memory_clock < tonga_ps->performance_levels[0].memory_clock)
+ tonga_ps->performance_levels[1].memory_clock = tonga_ps->performance_levels[0].memory_clock;
+ }
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) {
+ for (i=0; i < tonga_ps->performance_level_count; i++) {
+ tonga_ps->performance_levels[i].engine_clock = stable_pstate_sclk;
+ tonga_ps->performance_levels[i].memory_clock = stable_pstate_mclk;
+ tonga_ps->performance_levels[i].pcie_gen = data->pcie_gen_performance.max;
+ tonga_ps->performance_levels[i].pcie_lane = data->pcie_gen_performance.max;
+ }
+ }
+
+ return 0;
+}
+
+int tonga_get_power_state_size(struct pp_hwmgr *hwmgr)
+{
+ return sizeof(struct tonga_power_state);
+}
+
+static int tonga_dpm_get_mclk(struct pp_hwmgr *hwmgr, bool low)
+{
+ struct pp_power_state *ps;
+ struct tonga_power_state *tonga_ps;
+
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ ps = hwmgr->request_ps;
+
+ if (ps == NULL)
+ return -EINVAL;
+
+ tonga_ps = cast_phw_tonga_power_state(&ps->hardware);
+
+ if (low)
+ return tonga_ps->performance_levels[0].memory_clock;
+ else
+ return tonga_ps->performance_levels[tonga_ps->performance_level_count-1].memory_clock;
+}
+
+static int tonga_dpm_get_sclk(struct pp_hwmgr *hwmgr, bool low)
+{
+ struct pp_power_state *ps;
+ struct tonga_power_state *tonga_ps;
+
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ ps = hwmgr->request_ps;
+
+ if (ps == NULL)
+ return -EINVAL;
+
+ tonga_ps = cast_phw_tonga_power_state(&ps->hardware);
+
+ if (low)
+ return tonga_ps->performance_levels[0].engine_clock;
+ else
+ return tonga_ps->performance_levels[tonga_ps->performance_level_count-1].engine_clock;
+}
+
+static uint16_t tonga_get_current_pcie_speed(
+ struct pp_hwmgr *hwmgr)
+{
+ uint32_t speed_cntl = 0;
+
+ speed_cntl = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__PCIE,
+ ixPCIE_LC_SPEED_CNTL);
+ return((uint16_t)PHM_GET_FIELD(speed_cntl,
+ PCIE_LC_SPEED_CNTL, LC_CURRENT_DATA_RATE));
+}
+
+static int tonga_get_current_pcie_lane_number(
+ struct pp_hwmgr *hwmgr)
+{
+ uint32_t link_width;
+
+ link_width = PHM_READ_INDIRECT_FIELD(hwmgr->device,
+ CGS_IND_REG__PCIE,
+ PCIE_LC_LINK_WIDTH_CNTL,
+ LC_LINK_WIDTH_RD);
+
+ PP_ASSERT_WITH_CODE((7 >= link_width),
+ "Invalid PCIe lane width!", return 0);
+
+ return decode_pcie_lane_width(link_width);
+}
+
+static int tonga_dpm_patch_boot_state(struct pp_hwmgr *hwmgr,
+ struct pp_hw_power_state *hw_ps)
+{
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ struct tonga_power_state *ps = (struct tonga_power_state *)hw_ps;
+ ATOM_FIRMWARE_INFO_V2_2 *fw_info;
+ uint16_t size;
+ uint8_t frev, crev;
+ int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
+
+ /* First retrieve the Boot clocks and VDDC from the firmware info table.
+ * We assume here that fw_info is unchanged if this call fails.
+ */
+ fw_info = (ATOM_FIRMWARE_INFO_V2_2 *)cgs_atom_get_data_table(
+ hwmgr->device, index,
+ &size, &frev, &crev);
+ if (!fw_info)
+ /* During a test, there is no firmware info table. */
+ return 0;
+
+ /* Patch the state. */
+ data->vbios_boot_state.sclk_bootup_value = le32_to_cpu(fw_info->ulDefaultEngineClock);
+ data->vbios_boot_state.mclk_bootup_value = le32_to_cpu(fw_info->ulDefaultMemoryClock);
+ data->vbios_boot_state.mvdd_bootup_value = le16_to_cpu(fw_info->usBootUpMVDDCVoltage);
+ data->vbios_boot_state.vddc_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCVoltage);
+ data->vbios_boot_state.vddci_bootup_value = le16_to_cpu(fw_info->usBootUpVDDCIVoltage);
+ data->vbios_boot_state.pcie_gen_bootup_value = tonga_get_current_pcie_speed(hwmgr);
+ data->vbios_boot_state.pcie_lane_bootup_value =
+ (uint16_t)tonga_get_current_pcie_lane_number(hwmgr);
+
+ /* set boot power state */
+ ps->performance_levels[0].memory_clock = data->vbios_boot_state.mclk_bootup_value;
+ ps->performance_levels[0].engine_clock = data->vbios_boot_state.sclk_bootup_value;
+ ps->performance_levels[0].pcie_gen = data->vbios_boot_state.pcie_gen_bootup_value;
+ ps->performance_levels[0].pcie_lane = data->vbios_boot_state.pcie_lane_bootup_value;
+
+ return 0;
+}
+
+static int tonga_get_pp_table_entry_callback_func(struct pp_hwmgr *hwmgr,
+ void *state, struct pp_power_state *power_state,
+ void *pp_table, uint32_t classification_flag)
+{
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ struct tonga_power_state *tonga_ps =
+ (struct tonga_power_state *)(&(power_state->hardware));
+
+ struct tonga_performance_level *performance_level;
+
+ ATOM_Tonga_State *state_entry = (ATOM_Tonga_State *)state;
+
+ ATOM_Tonga_POWERPLAYTABLE *powerplay_table =
+ (ATOM_Tonga_POWERPLAYTABLE *)pp_table;
+
+ ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table =
+ (ATOM_Tonga_SCLK_Dependency_Table *)
+ (((uint64_t)powerplay_table) +
+ le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
+
+ ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
+ (ATOM_Tonga_MCLK_Dependency_Table *)
+ (((uint64_t)powerplay_table) +
+ le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
+
+ /* The following fields are not initialized here: id orderedList allStatesList */
+ power_state->classification.ui_label =
+ (le16_to_cpu(state_entry->usClassification) &
+ ATOM_PPLIB_CLASSIFICATION_UI_MASK) >>
+ ATOM_PPLIB_CLASSIFICATION_UI_SHIFT;
+ power_state->classification.flags = classification_flag;
+ /* NOTE: There is a classification2 flag in BIOS that is not being used right now */
+
+ power_state->classification.temporary_state = false;
+ power_state->classification.to_be_deleted = false;
+
+ power_state->validation.disallowOnDC =
+ (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & ATOM_Tonga_DISALLOW_ON_DC));
+
+ power_state->pcie.lanes = 0;
+
+ power_state->display.disableFrameModulation = false;
+ power_state->display.limitRefreshrate = false;
+ power_state->display.enableVariBright =
+ (0 != (le32_to_cpu(state_entry->ulCapsAndSettings) & ATOM_Tonga_ENABLE_VARIBRIGHT));
+
+ power_state->validation.supportedPowerLevels = 0;
+ power_state->uvd_clocks.VCLK = 0;
+ power_state->uvd_clocks.DCLK = 0;
+ power_state->temperatures.min = 0;
+ power_state->temperatures.max = 0;
+
+ performance_level = &(tonga_ps->performance_levels
+ [tonga_ps->performance_level_count++]);
+
+ PP_ASSERT_WITH_CODE(
+ (tonga_ps->performance_level_count < SMU72_MAX_LEVELS_GRAPHICS),
+ "Performance levels exceeds SMC limit!",
+ return -1);
+
+ PP_ASSERT_WITH_CODE(
+ (tonga_ps->performance_level_count <=
+ hwmgr->platform_descriptor.hardwareActivityPerformanceLevels),
+ "Performance levels exceeds Driver limit!",
+ return -1);
+
+ /* Performance levels are arranged from low to high. */
+ performance_level->memory_clock =
+ le32_to_cpu(mclk_dep_table->entries[state_entry->ucMemoryClockIndexLow].ulMclk);
+
+ performance_level->engine_clock =
+ le32_to_cpu(sclk_dep_table->entries[state_entry->ucEngineClockIndexLow].ulSclk);
+
+ performance_level->pcie_gen = get_pcie_gen_support(
+ data->pcie_gen_cap,
+ state_entry->ucPCIEGenLow);
+
+ performance_level->pcie_lane = get_pcie_lane_support(
+ data->pcie_lane_cap,
+ state_entry->ucPCIELaneHigh);
+
+ performance_level =
+ &(tonga_ps->performance_levels[tonga_ps->performance_level_count++]);
+
+ performance_level->memory_clock =
+ le32_to_cpu(mclk_dep_table->entries[state_entry->ucMemoryClockIndexHigh].ulMclk);
+
+ performance_level->engine_clock =
+ le32_to_cpu(sclk_dep_table->entries[state_entry->ucEngineClockIndexHigh].ulSclk);
+
+ performance_level->pcie_gen = get_pcie_gen_support(
+ data->pcie_gen_cap,
+ state_entry->ucPCIEGenHigh);
+
+ performance_level->pcie_lane = get_pcie_lane_support(
+ data->pcie_lane_cap,
+ state_entry->ucPCIELaneHigh);
+
+ return 0;
+}
+
+static int tonga_get_pp_table_entry(struct pp_hwmgr *hwmgr,
+ unsigned long entry_index, struct pp_power_state *ps)
+{
+ int result;
+ struct tonga_power_state *tonga_ps;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ struct phm_ppt_v1_information *table_info =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table =
+ table_info->vdd_dep_on_mclk;
+
+ ps->hardware.magic = PhwTonga_Magic;
+
+ tonga_ps = cast_phw_tonga_power_state(&(ps->hardware));
+
+ result = tonga_get_powerplay_table_entry(hwmgr, entry_index, ps,
+ tonga_get_pp_table_entry_callback_func);
+
+ /* This is the earliest time we have all the dependency table and the VBIOS boot state
+ * as PP_Tables_GetPowerPlayTableEntry retrieves the VBIOS boot state
+ * if there is only one VDDCI/MCLK level, check if it's the same as VBIOS boot state
+ */
+ if (dep_mclk_table != NULL && dep_mclk_table->count == 1) {
+ if (dep_mclk_table->entries[0].clk !=
+ data->vbios_boot_state.mclk_bootup_value)
+ printk(KERN_ERR "Single MCLK entry VDDCI/MCLK dependency table "
+ "does not match VBIOS boot MCLK level");
+ if (dep_mclk_table->entries[0].vddci !=
+ data->vbios_boot_state.vddci_bootup_value)
+ printk(KERN_ERR "Single VDDCI entry VDDCI/MCLK dependency table "
+ "does not match VBIOS boot VDDCI level");
+ }
+
+ /* set DC compatible flag if this state supports DC */
+ if (!ps->validation.disallowOnDC)
+ tonga_ps->dc_compatible = true;
+
+ if (ps->classification.flags & PP_StateClassificationFlag_ACPI)
+ data->acpi_pcie_gen = tonga_ps->performance_levels[0].pcie_gen;
+ else if (ps->classification.flags & PP_StateClassificationFlag_Boot) {
+ if (data->bacos.best_match == 0xffff) {
+ /* For V.I. use boot state as base BACO state */
+ data->bacos.best_match = PP_StateClassificationFlag_Boot;
+ data->bacos.performance_level = tonga_ps->performance_levels[0];
+ }
+ }
+
+ tonga_ps->uvd_clocks.VCLK = ps->uvd_clocks.VCLK;
+ tonga_ps->uvd_clocks.DCLK = ps->uvd_clocks.DCLK;
+
+ if (!result) {
+ uint32_t i;
+
+ switch (ps->classification.ui_label) {
+ case PP_StateUILabel_Performance:
+ data->use_pcie_performance_levels = true;
+
+ for (i = 0; i < tonga_ps->performance_level_count; i++) {
+ if (data->pcie_gen_performance.max <
+ tonga_ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_performance.max =
+ tonga_ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_gen_performance.min >
+ tonga_ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_performance.min =
+ tonga_ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_lane_performance.max <
+ tonga_ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_performance.max =
+ tonga_ps->performance_levels[i].pcie_lane;
+
+ if (data->pcie_lane_performance.min >
+ tonga_ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_performance.min =
+ tonga_ps->performance_levels[i].pcie_lane;
+ }
+ break;
+ case PP_StateUILabel_Battery:
+ data->use_pcie_power_saving_levels = true;
+
+ for (i = 0; i < tonga_ps->performance_level_count; i++) {
+ if (data->pcie_gen_power_saving.max <
+ tonga_ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_power_saving.max =
+ tonga_ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_gen_power_saving.min >
+ tonga_ps->performance_levels[i].pcie_gen)
+ data->pcie_gen_power_saving.min =
+ tonga_ps->performance_levels[i].pcie_gen;
+
+ if (data->pcie_lane_power_saving.max <
+ tonga_ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_power_saving.max =
+ tonga_ps->performance_levels[i].pcie_lane;
+
+ if (data->pcie_lane_power_saving.min >
+ tonga_ps->performance_levels[i].pcie_lane)
+ data->pcie_lane_power_saving.min =
+ tonga_ps->performance_levels[i].pcie_lane;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ return 0;
+}
+
+static void
+tonga_print_current_perforce_level(struct pp_hwmgr *hwmgr, struct seq_file *m)
+{
+ uint32_t sclk, mclk;
+
+ smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetSclkFrequency));
+
+ sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+
+ smum_send_msg_to_smc(hwmgr->smumgr, (PPSMC_Msg)(PPSMC_MSG_API_GetMclkFrequency));
+
+ mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ seq_printf(m, "\n [ mclk ]: %u MHz\n\n [ sclk ]: %u MHz\n", mclk/100, sclk/100);
+}
+
+static int tonga_find_dpm_states_clocks_in_dpm_table(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state);
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ struct tonga_single_dpm_table *psclk_table = &(data->dpm_table.sclk_table);
+ uint32_t sclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].engine_clock;
+ struct tonga_single_dpm_table *pmclk_table = &(data->dpm_table.mclk_table);
+ uint32_t mclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].memory_clock;
+ struct PP_Clocks min_clocks = {0};
+ uint32_t i;
+ struct cgs_display_info info = {0};
+
+ data->need_update_smu7_dpm_table = 0;
+
+ for (i = 0; i < psclk_table->count; i++) {
+ if (sclk == psclk_table->dpm_levels[i].value)
+ break;
+ }
+
+ if (i >= psclk_table->count)
+ data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
+ else {
+ /* TODO: Check SCLK in DAL's minimum clocks in case DeepSleep divider update is required.*/
+ if(data->display_timing.min_clock_insr != min_clocks.engineClockInSR)
+ data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
+ }
+
+ for (i=0; i < pmclk_table->count; i++) {
+ if (mclk == pmclk_table->dpm_levels[i].value)
+ break;
+ }
+
+ if (i >= pmclk_table->count)
+ data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_MCLK;
+
+ cgs_get_active_displays_info(hwmgr->device, &info);
+
+ if (data->display_timing.num_existing_displays != info.display_count)
+ data->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_MCLK;
+
+ return 0;
+}
+
+static uint16_t tonga_get_maximum_link_speed(struct pp_hwmgr *hwmgr, const struct tonga_power_state *hw_ps)
+{
+ uint32_t i;
+ uint32_t sclk, max_sclk = 0;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ struct tonga_dpm_table *pdpm_table = &data->dpm_table;
+
+ for (i = 0; i < hw_ps->performance_level_count; i++) {
+ sclk = hw_ps->performance_levels[i].engine_clock;
+ if (max_sclk < sclk)
+ max_sclk = sclk;
+ }
+
+ for (i = 0; i < pdpm_table->sclk_table.count; i++) {
+ if (pdpm_table->sclk_table.dpm_levels[i].value == max_sclk)
+ return (uint16_t) ((i >= pdpm_table->pcie_speed_table.count) ?
+ pdpm_table->pcie_speed_table.dpm_levels[pdpm_table->pcie_speed_table.count-1].value :
+ pdpm_table->pcie_speed_table.dpm_levels[i].value);
+ }
+
+ return 0;
+}
+
+static int tonga_request_link_speed_change_before_state_change(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ const struct tonga_power_state *tonga_nps = cast_const_phw_tonga_power_state(states->pnew_state);
+ const struct tonga_power_state *tonga_cps = cast_const_phw_tonga_power_state(states->pcurrent_state);
+
+ uint16_t target_link_speed = tonga_get_maximum_link_speed(hwmgr, tonga_nps);
+ uint16_t current_link_speed;
+
+ if (data->force_pcie_gen == PP_PCIEGenInvalid)
+ current_link_speed = tonga_get_maximum_link_speed(hwmgr, tonga_cps);
+ else
+ current_link_speed = data->force_pcie_gen;
+
+ data->force_pcie_gen = PP_PCIEGenInvalid;
+ data->pspp_notify_required = false;
+ if (target_link_speed > current_link_speed) {
+ switch(target_link_speed) {
+ case PP_PCIEGen3:
+ if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN3, false))
+ break;
+ data->force_pcie_gen = PP_PCIEGen2;
+ if (current_link_speed == PP_PCIEGen2)
+ break;
+ case PP_PCIEGen2:
+ if (0 == acpi_pcie_perf_request(hwmgr->device, PCIE_PERF_REQ_GEN2, false))
+ break;
+ default:
+ data->force_pcie_gen = tonga_get_current_pcie_speed(hwmgr);
+ break;
+ }
+ } else {
+ if (target_link_speed < current_link_speed)
+ data->pspp_notify_required = true;
+ }
+
+ return 0;
+}
+
+static int tonga_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->need_update_smu7_dpm_table)
+ return 0;
+
+ if ((0 == data->sclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table &
+ (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) {
+ PP_ASSERT_WITH_CODE(
+ true == tonga_is_dpm_running(hwmgr),
+ "Trying to freeze SCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_SCLKDPM_FreezeLevel),
+ "Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ if ((0 == data->mclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table &
+ DPMTABLE_OD_UPDATE_MCLK)) {
+ PP_ASSERT_WITH_CODE(true == tonga_is_dpm_running(hwmgr),
+ "Trying to freeze MCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_MCLKDPM_FreezeLevel),
+ "Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ return 0;
+}
+
+static int tonga_populate_and_upload_sclk_mclk_dpm_levels(struct pp_hwmgr *hwmgr, const void *input)
+{
+ int result = 0;
+
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state);
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ uint32_t sclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].engine_clock;
+ uint32_t mclk = tonga_ps->performance_levels[tonga_ps->performance_level_count-1].memory_clock;
+ struct tonga_dpm_table *pdpm_table = &data->dpm_table;
+
+ struct tonga_dpm_table *pgolden_dpm_table = &data->golden_dpm_table;
+ uint32_t dpm_count, clock_percent;
+ uint32_t i;
+
+ if (0 == data->need_update_smu7_dpm_table)
+ return 0;
+
+ if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_SCLK) {
+ pdpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value = sclk;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) ||
+ phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) {
+ /* Need to do calculation based on the golden DPM table
+ * as the Heatmap GPU Clock axis is also based on the default values
+ */
+ PP_ASSERT_WITH_CODE(
+ (pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value != 0),
+ "Divide by 0!",
+ return -1);
+ dpm_count = pdpm_table->sclk_table.count < 2 ? 0 : pdpm_table->sclk_table.count-2;
+ for (i = dpm_count; i > 1; i--) {
+ if (sclk > pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value) {
+ clock_percent = ((sclk - pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value)*100) /
+ pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value;
+
+ pdpm_table->sclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->sclk_table.dpm_levels[i].value +
+ (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100;
+
+ } else if (pgolden_dpm_table->sclk_table.dpm_levels[pdpm_table->sclk_table.count-1].value > sclk) {
+ clock_percent = ((pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value - sclk)*100) /
+ pgolden_dpm_table->sclk_table.dpm_levels[pgolden_dpm_table->sclk_table.count-1].value;
+
+ pdpm_table->sclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->sclk_table.dpm_levels[i].value -
+ (pgolden_dpm_table->sclk_table.dpm_levels[i].value * clock_percent)/100;
+ } else
+ pdpm_table->sclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->sclk_table.dpm_levels[i].value;
+ }
+ }
+ }
+
+ if (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK) {
+ pdpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value = mclk;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinACSupport) ||
+ phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_OD6PlusinDCSupport)) {
+
+ PP_ASSERT_WITH_CODE(
+ (pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value != 0),
+ "Divide by 0!",
+ return -1);
+ dpm_count = pdpm_table->mclk_table.count < 2? 0 : pdpm_table->mclk_table.count-2;
+ for (i = dpm_count; i > 1; i--) {
+ if (mclk > pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value) {
+ clock_percent = ((mclk - pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value)*100) /
+ pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value;
+
+ pdpm_table->mclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->mclk_table.dpm_levels[i].value +
+ (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100;
+
+ } else if (pgolden_dpm_table->mclk_table.dpm_levels[pdpm_table->mclk_table.count-1].value > mclk) {
+ clock_percent = ((pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value - mclk)*100) /
+ pgolden_dpm_table->mclk_table.dpm_levels[pgolden_dpm_table->mclk_table.count-1].value;
+
+ pdpm_table->mclk_table.dpm_levels[i].value =
+ pgolden_dpm_table->mclk_table.dpm_levels[i].value -
+ (pgolden_dpm_table->mclk_table.dpm_levels[i].value * clock_percent)/100;
+ } else
+ pdpm_table->mclk_table.dpm_levels[i].value = pgolden_dpm_table->mclk_table.dpm_levels[i].value;
+ }
+ }
+ }
+
+ if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK)) {
+ result = tonga_populate_all_memory_levels(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to populate SCLK during PopulateNewDPMClocksStates Function!",
+ return result);
+ }
+
+ if (data->need_update_smu7_dpm_table & (DPMTABLE_OD_UPDATE_MCLK + DPMTABLE_UPDATE_MCLK)) {
+ /*populate MCLK dpm table to SMU7 */
+ result = tonga_populate_all_memory_levels(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == result),
+ "Failed to populate MCLK during PopulateNewDPMClocksStates Function!",
+ return result);
+ }
+
+ return result;
+}
+
+static int tonga_trim_single_dpm_states(struct pp_hwmgr *hwmgr,
+ struct tonga_single_dpm_table * pdpm_table,
+ uint32_t low_limit, uint32_t high_limit)
+{
+ uint32_t i;
+
+ for (i = 0; i < pdpm_table->count; i++) {
+ if ((pdpm_table->dpm_levels[i].value < low_limit) ||
+ (pdpm_table->dpm_levels[i].value > high_limit))
+ pdpm_table->dpm_levels[i].enabled = false;
+ else
+ pdpm_table->dpm_levels[i].enabled = true;
+ }
+ return 0;
+}
+
+static int tonga_trim_dpm_states(struct pp_hwmgr *hwmgr, const struct tonga_power_state *hw_state)
+{
+ int result = 0;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ uint32_t high_limit_count;
+
+ PP_ASSERT_WITH_CODE((hw_state->performance_level_count >= 1),
+ "power state did not have any performance level",
+ return -1);
+
+ high_limit_count = (1 == hw_state->performance_level_count) ? 0: 1;
+
+ tonga_trim_single_dpm_states(hwmgr,
+ &(data->dpm_table.sclk_table),
+ hw_state->performance_levels[0].engine_clock,
+ hw_state->performance_levels[high_limit_count].engine_clock);
+
+ tonga_trim_single_dpm_states(hwmgr,
+ &(data->dpm_table.mclk_table),
+ hw_state->performance_levels[0].memory_clock,
+ hw_state->performance_levels[high_limit_count].memory_clock);
+
+ return result;
+}
+
+static int tonga_generate_dpm_level_enable_mask(struct pp_hwmgr *hwmgr, const void *input)
+{
+ int result;
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state);
+
+
+ result = tonga_trim_dpm_states(hwmgr, tonga_ps);
+ if (0 != result)
+ return result;
+
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&data->dpm_table.sclk_table);
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&data->dpm_table.mclk_table);
+ data->last_mclk_dpm_enable_mask = data->dpm_level_enable_mask.mclk_dpm_enable_mask;
+ if (data->uvd_enabled)
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask &= 0xFFFFFFFE;
+
+ data->dpm_level_enable_mask.pcie_dpm_enable_mask = tonga_get_dpm_level_enable_mask_value(&data->dpm_table.pcie_speed_table);
+
+ return 0;
+}
+
+static int tonga_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
+{
+ return smum_send_msg_to_smc(hwmgr->smumgr, enable?
+ (PPSMC_Msg)PPSMC_MSG_VCEDPM_Enable :
+ (PPSMC_Msg)PPSMC_MSG_VCEDPM_Disable);
+}
+
+static int tonga_update_vce_dpm(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ const struct tonga_power_state *tonga_nps = cast_const_phw_tonga_power_state(states->pnew_state);
+ const struct tonga_power_state *tonga_cps = cast_const_phw_tonga_power_state(states->pcurrent_state);
+
+ uint32_t mm_boot_level_offset, mm_boot_level_value;
+ struct phm_ppt_v1_information *pptable_info = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ if(tonga_nps->vce_clocks.EVCLK >0 &&
+ (tonga_cps == NULL || tonga_cps->vce_clocks.EVCLK == 0)) {
+ data->smc_state_table.VceBootLevel = (uint8_t) (pptable_info->mm_dep_table->count - 1);
+
+ mm_boot_level_offset = data->dpm_table_start + offsetof(SMU72_Discrete_DpmTable, VceBootLevel);
+ mm_boot_level_offset /= 4;
+ mm_boot_level_offset *= 4;
+ mm_boot_level_value = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, mm_boot_level_offset);
+ mm_boot_level_value &= 0xFF00FFFF;
+ mm_boot_level_value |= data->smc_state_table.VceBootLevel << 16;
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC, mm_boot_level_offset, mm_boot_level_value);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState)) {
+ smum_send_msg_to_smc_with_parameter(
+ hwmgr->smumgr,
+ (PPSMC_Msg)(PPSMC_MSG_VCEDPM_SetEnabledMask),
+ (uint32_t)1 << data->smc_state_table.VceBootLevel);
+
+ tonga_enable_disable_vce_dpm(hwmgr, true);
+ } else if (tonga_nps->vce_clocks.EVCLK == 0 && tonga_cps != NULL && tonga_cps->vce_clocks.EVCLK > 0)
+ tonga_enable_disable_vce_dpm(hwmgr, false);
+ }
+
+ return 0;
+}
+
+static int tonga_update_and_upload_mc_reg_table(struct pp_hwmgr *hwmgr)
+{
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ uint32_t address;
+ int32_t result;
+
+ if (0 == (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK))
+ return 0;
+
+
+ memset(&data->mc_reg_table, 0, sizeof(SMU72_Discrete_MCRegisters));
+
+ result = tonga_convert_mc_reg_table_to_smc(hwmgr, &(data->mc_reg_table));
+
+ if(result != 0)
+ return result;
+
+
+ address = data->mc_reg_table_start + (uint32_t)offsetof(SMU72_Discrete_MCRegisters, data[0]);
+
+ return tonga_copy_bytes_to_smc(hwmgr->smumgr, address,
+ (uint8_t *)&data->mc_reg_table.data[0],
+ sizeof(SMU72_Discrete_MCRegisterSet) * data->dpm_table.mclk_table.count,
+ data->sram_end);
+}
+
+static int tonga_program_memory_timing_parameters_conditionally(struct pp_hwmgr *hwmgr)
+{
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ if (data->need_update_smu7_dpm_table &
+ (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_OD_UPDATE_MCLK))
+ return tonga_program_memory_timing_parameters(hwmgr);
+
+ return 0;
+}
+
+static int tonga_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
+{
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+
+ if (0 == data->need_update_smu7_dpm_table)
+ return 0;
+
+ if ((0 == data->sclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table &
+ (DPMTABLE_OD_UPDATE_SCLK + DPMTABLE_UPDATE_SCLK))) {
+
+ PP_ASSERT_WITH_CODE(true == tonga_is_dpm_running(hwmgr),
+ "Trying to Unfreeze SCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_SCLKDPM_UnfreezeLevel),
+ "Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ if ((0 == data->mclk_dpm_key_disabled) &&
+ (data->need_update_smu7_dpm_table & DPMTABLE_OD_UPDATE_MCLK)) {
+
+ PP_ASSERT_WITH_CODE(
+ true == tonga_is_dpm_running(hwmgr),
+ "Trying to Unfreeze MCLK DPM when DPM is disabled",
+ );
+ PP_ASSERT_WITH_CODE(
+ 0 == smum_send_msg_to_smc(hwmgr->smumgr,
+ PPSMC_MSG_SCLKDPM_UnfreezeLevel),
+ "Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!",
+ return -1);
+ }
+
+ data->need_update_smu7_dpm_table = 0;
+
+ return 0;
+}
+
+static int tonga_notify_link_speed_change_after_state_change(struct pp_hwmgr *hwmgr, const void *input)
+{
+ const struct phm_set_power_state_input *states = (const struct phm_set_power_state_input *)input;
+ struct tonga_hwmgr *data = (struct tonga_hwmgr *)(hwmgr->backend);
+ const struct tonga_power_state *tonga_ps = cast_const_phw_tonga_power_state(states->pnew_state);
+ uint16_t target_link_speed = tonga_get_maximum_link_speed(hwmgr, tonga_ps);
+ uint8_t request;
+
+ if (data->pspp_notify_required ||
+ data->pcie_performance_request) {
+ if (target_link_speed == PP_PCIEGen3)
+ request = PCIE_PERF_REQ_GEN3;
+ else if (target_link_speed == PP_PCIEGen2)
+ request = PCIE_PERF_REQ_GEN2;
+ else
+ request = PCIE_PERF_REQ_GEN1;
+
+ if(request == PCIE_PERF_REQ_GEN1 && tonga_get_current_pcie_speed(hwmgr) > 0) {
+ data->pcie_performance_request = false;
+ return 0;
+ }
+
+ if (0 != acpi_pcie_perf_request(hwmgr->device, request, false)) {
+ if (PP_PCIEGen2 == target_link_speed)
+ printk("PSPP request to switch to Gen2 from Gen3 Failed!");
+ else
+ printk("PSPP request to switch to Gen1 from Gen2 Failed!");
+ }
+ }
+
+ data->pcie_performance_request = false;
+ return 0;
+}
+
+static int tonga_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
+{
+ int tmp_result, result = 0;
+
+ tmp_result = tonga_find_dpm_states_clocks_in_dpm_table(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to find DPM states clocks in DPM table!", result = tmp_result);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) {
+ tmp_result = tonga_request_link_speed_change_before_state_change(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to request link speed change before state change!", result = tmp_result);
+ }
+
+ tmp_result = tonga_freeze_sclk_mclk_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to freeze SCLK MCLK DPM!", result = tmp_result);
+
+ tmp_result = tonga_populate_and_upload_sclk_mclk_dpm_levels(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to populate and upload SCLK MCLK DPM levels!", result = tmp_result);
+
+ tmp_result = tonga_generate_dpm_level_enable_mask(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to generate DPM level enabled mask!", result = tmp_result);
+
+ tmp_result = tonga_update_vce_dpm(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update VCE DPM!", result = tmp_result);
+
+ tmp_result = tonga_update_sclk_threshold(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to update SCLK threshold!", result = tmp_result);
+
+ tmp_result = tonga_update_and_upload_mc_reg_table(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload MC reg table!", result = tmp_result);
+
+ tmp_result = tonga_program_memory_timing_parameters_conditionally(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to program memory timing parameters!", result = tmp_result);
+
+ tmp_result = tonga_unfreeze_sclk_mclk_dpm(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to unfreeze SCLK MCLK DPM!", result = tmp_result);
+
+ tmp_result = tonga_upload_dpm_level_enable_mask(hwmgr);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to upload DPM level enabled mask!", result = tmp_result);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest)) {
+ tmp_result = tonga_notify_link_speed_change_after_state_change(hwmgr, input);
+ PP_ASSERT_WITH_CODE((0 == tmp_result), "Failed to notify link speed change after state change!", result = tmp_result);
+ }
+
+ return result;
+}
+
+static const struct pp_hwmgr_func tonga_hwmgr_funcs = {
+ .backend_init = &tonga_hwmgr_backend_init,
+ .backend_fini = &tonga_hwmgr_backend_fini,
+ .asic_setup = &tonga_setup_asic_task,
+ .dynamic_state_management_enable = &tonga_enable_dpm_tasks,
+ .apply_state_adjust_rules = tonga_apply_state_adjust_rules,
+ .force_dpm_level = &tonga_force_dpm_level,
+ .power_state_set = tonga_set_power_state_tasks,
+ .get_power_state_size = tonga_get_power_state_size,
+ .get_mclk = tonga_dpm_get_mclk,
+ .get_sclk = tonga_dpm_get_sclk,
+ .patch_boot_state = tonga_dpm_patch_boot_state,
+ .get_pp_table_entry = tonga_get_pp_table_entry,
+ .get_num_of_pp_table_entries = tonga_get_number_of_powerplay_table_entries,
+ .print_current_perforce_level = tonga_print_current_perforce_level,
+};
+
+int tonga_hwmgr_init(struct pp_hwmgr *hwmgr)
+{
+ tonga_hwmgr *data;
+
+ data = kzalloc (sizeof(tonga_hwmgr), GFP_KERNEL);
+ if (data == NULL)
+ return -ENOMEM;
+ memset(data, 0x00, sizeof(tonga_hwmgr));
+
+ hwmgr->backend = data;
+ hwmgr->hwmgr_func = &tonga_hwmgr_funcs;
+ hwmgr->pptable_func = &tonga_pptable_funcs;
+
+ return 0;
+}
+
--- /dev/null
+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/fb.h>
+
+#include "tonga_processpptables.h"
+#include "ppatomctrl.h"
+#include "atombios.h"
+#include "pp_debug.h"
+#include "hwmgr.h"
+#include "cgs_common.h"
+#include "tonga_pptable.h"
+
+/**
+ * Private Function used during initialization.
+ * @param hwmgr Pointer to the hardware manager.
+ * @param setIt A flag indication if the capability should be set (TRUE) or reset (FALSE).
+ * @param cap Which capability to set/reset.
+ */
+static void set_hw_cap(struct pp_hwmgr *hwmgr, bool setIt, enum phm_platform_caps cap)
+{
+ if (setIt)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps, cap);
+ else
+ phm_cap_unset(hwmgr->platform_descriptor.platformCaps, cap);
+}
+
+
+/**
+ * Private Function used during initialization.
+ * @param hwmgr Pointer to the hardware manager.
+ * @param powerplay_caps the bit array (from BIOS) of capability bits.
+ * @exception the current implementation always returns 1.
+ */
+static int set_platform_caps(struct pp_hwmgr *hwmgr, uint32_t powerplay_caps)
+{
+ PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE16____),
+ "ATOM_PP_PLATFORM_CAP_ASPM_L1 is not supported!", continue);
+ PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE64____),
+ "ATOM_PP_PLATFORM_CAP_GEMINIPRIMARY is not supported!", continue);
+ PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE512____),
+ "ATOM_PP_PLATFORM_CAP_SIDEPORTCONTROL is not supported!", continue);
+ PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE1024____),
+ "ATOM_PP_PLATFORM_CAP_TURNOFFPLL_ASPML1 is not supported!", continue);
+ PP_ASSERT_WITH_CODE((~powerplay_caps & ____RETIRE2048____),
+ "ATOM_PP_PLATFORM_CAP_HTLINKCONTROL is not supported!", continue);
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_POWERPLAY),
+ PHM_PlatformCaps_PowerPlaySupport
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_SBIOSPOWERSOURCE),
+ PHM_PlatformCaps_BiosPowerSourceControl
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_HARDWAREDC),
+ PHM_PlatformCaps_AutomaticDCTransition
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_MVDD_CONTROL),
+ PHM_PlatformCaps_EnableMVDDControl
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDCI_CONTROL),
+ PHM_PlatformCaps_ControlVDDCI
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_VDDGFX_CONTROL),
+ PHM_PlatformCaps_ControlVDDGFX
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_BACO),
+ PHM_PlatformCaps_BACO
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_CAP_DISABLE_VOLTAGE_ISLAND),
+ PHM_PlatformCaps_DisableVoltageIsland
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PP_PLATFORM_COMBINE_PCC_WITH_THERMAL_SIGNAL),
+ PHM_PlatformCaps_CombinePCCWithThermalSignal
+ );
+
+ set_hw_cap(
+ hwmgr,
+ 0 != (powerplay_caps & ATOM_TONGA_PLATFORM_LOAD_POST_PRODUCTION_FIRMWARE),
+ PHM_PlatformCaps_LoadPostProductionFirmware
+ );
+
+ return 0;
+}
+
+/**
+ * Private Function to get the PowerPlay Table Address.
+ */
+const void *get_powerplay_table(struct pp_hwmgr *hwmgr)
+{
+ int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+
+ u16 size;
+ u8 frev, crev;
+ void *table_address;
+
+ table_address = (ATOM_Tonga_POWERPLAYTABLE *)
+ cgs_atom_get_data_table(hwmgr->device, index, &size, &frev, &crev);
+
+ hwmgr->soft_pp_table = table_address; /*Cache the result in RAM.*/
+
+ return table_address;
+}
+
+static int get_vddc_lookup_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_voltage_lookup_table **lookup_table,
+ const ATOM_Tonga_Voltage_Lookup_Table *vddc_lookup_pp_tables,
+ uint32_t max_levels
+ )
+{
+ uint32_t table_size, i;
+ phm_ppt_v1_voltage_lookup_table *table;
+
+ PP_ASSERT_WITH_CODE((0 != vddc_lookup_pp_tables->ucNumEntries),
+ "Invalid CAC Leakage PowerPlay Table!", return 1);
+
+ table_size = sizeof(uint32_t) +
+ sizeof(phm_ppt_v1_voltage_lookup_record) * max_levels;
+
+ table = (phm_ppt_v1_voltage_lookup_table *)
+ kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == table)
+ return -1;
+
+ memset(table, 0x00, table_size);
+
+ table->count = vddc_lookup_pp_tables->ucNumEntries;
+
+ for (i = 0; i < vddc_lookup_pp_tables->ucNumEntries; i++) {
+ table->entries[i].us_calculated = 0;
+ table->entries[i].us_vdd =
+ vddc_lookup_pp_tables->entries[i].usVdd;
+ table->entries[i].us_cac_low =
+ vddc_lookup_pp_tables->entries[i].usCACLow;
+ table->entries[i].us_cac_mid =
+ vddc_lookup_pp_tables->entries[i].usCACMid;
+ table->entries[i].us_cac_high =
+ vddc_lookup_pp_tables->entries[i].usCACHigh;
+ }
+
+ *lookup_table = table;
+
+ return 0;
+}
+
+/**
+ * Private Function used during initialization.
+ * Initialize Platform Power Management Parameter table
+ * @param hwmgr Pointer to the hardware manager.
+ * @param atom_ppm_table Pointer to PPM table in VBIOS
+ */
+static int get_platform_power_management_table(
+ struct pp_hwmgr *hwmgr,
+ ATOM_Tonga_PPM_Table *atom_ppm_table)
+{
+ struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
+ struct phm_ppt_v1_information *pp_table_information =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ if (NULL == ptr)
+ return -1;
+
+ ptr->ppm_design
+ = atom_ppm_table->ucPpmDesign;
+ ptr->cpu_core_number
+ = atom_ppm_table->usCpuCoreNumber;
+ ptr->platform_tdp
+ = atom_ppm_table->ulPlatformTDP;
+ ptr->small_ac_platform_tdp
+ = atom_ppm_table->ulSmallACPlatformTDP;
+ ptr->platform_tdc
+ = atom_ppm_table->ulPlatformTDC;
+ ptr->small_ac_platform_tdc
+ = atom_ppm_table->ulSmallACPlatformTDC;
+ ptr->apu_tdp
+ = atom_ppm_table->ulApuTDP;
+ ptr->dgpu_tdp
+ = atom_ppm_table->ulDGpuTDP;
+ ptr->dgpu_ulv_power
+ = atom_ppm_table->ulDGpuUlvPower;
+ ptr->tj_max
+ = atom_ppm_table->ulTjmax;
+
+ pp_table_information->ppm_parameter_table = ptr;
+
+ return 0;
+}
+
+/**
+ * Private Function used during initialization.
+ * Initialize TDP limits for DPM2
+ * @param hwmgr Pointer to the hardware manager.
+ * @param powerplay_table Pointer to the PowerPlay Table.
+ */
+static int init_dpm_2_parameters(
+ struct pp_hwmgr *hwmgr,
+ const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+ )
+{
+ int result = 0;
+ struct phm_ppt_v1_information *pp_table_information = (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ ATOM_Tonga_PPM_Table *atom_ppm_table;
+ uint32_t disable_ppm = 0;
+ uint32_t disable_power_control = 0;
+
+ pp_table_information->us_ulv_voltage_offset =
+ le16_to_cpu(powerplay_table->usUlvVoltageOffset);
+
+ pp_table_information->ppm_parameter_table = NULL;
+ pp_table_information->vddc_lookup_table = NULL;
+ pp_table_information->vddgfx_lookup_table = NULL;
+ /* TDP limits */
+ hwmgr->platform_descriptor.TDPODLimit =
+ le16_to_cpu(powerplay_table->usPowerControlLimit);
+ hwmgr->platform_descriptor.TDPAdjustment = 0;
+ hwmgr->platform_descriptor.VidAdjustment = 0;
+ hwmgr->platform_descriptor.VidAdjustmentPolarity = 0;
+ hwmgr->platform_descriptor.VidMinLimit = 0;
+ hwmgr->platform_descriptor.VidMaxLimit = 1500000;
+ hwmgr->platform_descriptor.VidStep = 6250;
+
+ disable_power_control = 0;
+ if (0 == disable_power_control) {
+ /* enable TDP overdrive (PowerControl) feature as well if supported */
+ if (hwmgr->platform_descriptor.TDPODLimit != 0)
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_PowerControl);
+ }
+
+ if (0 != powerplay_table->usVddcLookupTableOffset) {
+ const ATOM_Tonga_Voltage_Lookup_Table *pVddcCACTable =
+ (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
+ le16_to_cpu(powerplay_table->usVddcLookupTableOffset));
+
+ result = get_vddc_lookup_table(hwmgr,
+ &pp_table_information->vddc_lookup_table, pVddcCACTable, 16);
+ }
+
+ if (0 != powerplay_table->usVddgfxLookupTableOffset) {
+ const ATOM_Tonga_Voltage_Lookup_Table *pVddgfxCACTable =
+ (ATOM_Tonga_Voltage_Lookup_Table *)(((unsigned long)powerplay_table) +
+ le16_to_cpu(powerplay_table->usVddgfxLookupTableOffset));
+
+ result = get_vddc_lookup_table(hwmgr,
+ &pp_table_information->vddgfx_lookup_table, pVddgfxCACTable, 16);
+ }
+
+ disable_ppm = 0;
+ if (0 == disable_ppm) {
+ atom_ppm_table = (ATOM_Tonga_PPM_Table *)
+ (((unsigned long)powerplay_table) + le16_to_cpu(powerplay_table->usPPMTableOffset));
+
+ if (0 != powerplay_table->usPPMTableOffset) {
+ if (1 == get_platform_power_management_table(hwmgr, atom_ppm_table)) {
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_EnablePlatformPowerManagement);
+ }
+ }
+ }
+
+ return result;
+}
+
+static int get_valid_clk(
+ struct pp_hwmgr *hwmgr,
+ struct phm_clock_array **clk_table,
+ const phm_ppt_v1_clock_voltage_dependency_table * clk_volt_pp_table
+ )
+{
+ uint32_t table_size, i;
+ struct phm_clock_array *table;
+
+ PP_ASSERT_WITH_CODE((0 != clk_volt_pp_table->count),
+ "Invalid PowerPlay Table!", return -1);
+
+ table_size = sizeof(uint32_t) +
+ sizeof(uint32_t) * clk_volt_pp_table->count;
+
+ table = (struct phm_clock_array *)kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == table)
+ return -1;
+
+ memset(table, 0x00, table_size);
+
+ table->count = (uint32_t)clk_volt_pp_table->count;
+
+ for (i = 0; i < table->count; i++)
+ table->values[i] = (uint32_t)clk_volt_pp_table->entries[i].clk;
+
+ *clk_table = table;
+
+ return 0;
+}
+
+static int get_hard_limits(
+ struct pp_hwmgr *hwmgr,
+ struct phm_clock_and_voltage_limits *limits,
+ const ATOM_Tonga_Hard_Limit_Table * limitable
+ )
+{
+ PP_ASSERT_WITH_CODE((0 != limitable->ucNumEntries), "Invalid PowerPlay Table!", return -1);
+
+ /* currently we always take entries[0] parameters */
+ limits->sclk = (uint32_t)limitable->entries[0].ulSCLKLimit;
+ limits->mclk = (uint32_t)limitable->entries[0].ulMCLKLimit;
+ limits->vddc = (uint16_t)limitable->entries[0].usVddcLimit;
+ limits->vddci = (uint16_t)limitable->entries[0].usVddciLimit;
+ limits->vddgfx = (uint16_t)limitable->entries[0].usVddgfxLimit;
+
+ return 0;
+}
+
+static int get_mclk_voltage_dependency_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_mclk_dep_table,
+ const ATOM_Tonga_MCLK_Dependency_Table * mclk_dep_table
+ )
+{
+ uint32_t table_size, i;
+ phm_ppt_v1_clock_voltage_dependency_table *mclk_table;
+
+ PP_ASSERT_WITH_CODE((0 != mclk_dep_table->ucNumEntries),
+ "Invalid PowerPlay Table!", return -1);
+
+ table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
+ * mclk_dep_table->ucNumEntries;
+
+ mclk_table = (phm_ppt_v1_clock_voltage_dependency_table *)
+ kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == mclk_table)
+ return -1;
+
+ memset(mclk_table, 0x00, table_size);
+
+ mclk_table->count = (uint32_t)mclk_dep_table->ucNumEntries;
+
+ for (i = 0; i < mclk_dep_table->ucNumEntries; i++) {
+ mclk_table->entries[i].vddInd =
+ mclk_dep_table->entries[i].ucVddcInd;
+ mclk_table->entries[i].vdd_offset =
+ mclk_dep_table->entries[i].usVddgfxOffset;
+ mclk_table->entries[i].vddci =
+ mclk_dep_table->entries[i].usVddci;
+ mclk_table->entries[i].mvdd =
+ mclk_dep_table->entries[i].usMvdd;
+ mclk_table->entries[i].clk =
+ mclk_dep_table->entries[i].ulMclk;
+ }
+
+ *pp_tonga_mclk_dep_table = mclk_table;
+
+ return 0;
+}
+
+static int get_sclk_voltage_dependency_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_clock_voltage_dependency_table **pp_tonga_sclk_dep_table,
+ const ATOM_Tonga_SCLK_Dependency_Table * sclk_dep_table
+ )
+{
+ uint32_t table_size, i;
+ phm_ppt_v1_clock_voltage_dependency_table *sclk_table;
+
+ PP_ASSERT_WITH_CODE((0 != sclk_dep_table->ucNumEntries),
+ "Invalid PowerPlay Table!", return -1);
+
+ table_size = sizeof(uint32_t) + sizeof(phm_ppt_v1_clock_voltage_dependency_record)
+ * sclk_dep_table->ucNumEntries;
+
+ sclk_table = (phm_ppt_v1_clock_voltage_dependency_table *)
+ kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == sclk_table)
+ return -1;
+
+ memset(sclk_table, 0x00, table_size);
+
+ sclk_table->count = (uint32_t)sclk_dep_table->ucNumEntries;
+
+ for (i = 0; i < sclk_dep_table->ucNumEntries; i++) {
+ sclk_table->entries[i].vddInd =
+ sclk_dep_table->entries[i].ucVddInd;
+ sclk_table->entries[i].vdd_offset =
+ sclk_dep_table->entries[i].usVddcOffset;
+ sclk_table->entries[i].clk =
+ sclk_dep_table->entries[i].ulSclk;
+ sclk_table->entries[i].cks_enable =
+ (((sclk_dep_table->entries[i].ucCKSVOffsetandDisable & 0x80) >> 7) == 0) ? 1 : 0;
+ sclk_table->entries[i].cks_voffset =
+ (sclk_dep_table->entries[i].ucCKSVOffsetandDisable & 0x7F);
+ }
+
+ *pp_tonga_sclk_dep_table = sclk_table;
+
+ return 0;
+}
+
+static int get_pcie_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_pcie_table **pp_tonga_pcie_table,
+ const ATOM_Tonga_PCIE_Table * atom_pcie_table
+ )
+{
+ uint32_t table_size, i, pcie_count;
+ phm_ppt_v1_pcie_table *pcie_table;
+ struct phm_ppt_v1_information *pp_table_information =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+ PP_ASSERT_WITH_CODE((0 != atom_pcie_table->ucNumEntries),
+ "Invalid PowerPlay Table!", return -1);
+
+ table_size = sizeof(uint32_t) +
+ sizeof(phm_ppt_v1_pcie_record) * atom_pcie_table->ucNumEntries;
+
+ pcie_table = (phm_ppt_v1_pcie_table *)kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == pcie_table)
+ return -1;
+
+ memset(pcie_table, 0x00, table_size);
+
+ /*
+ * Make sure the number of pcie entries are less than or equal to sclk dpm levels.
+ * Since first PCIE entry is for ULV, #pcie has to be <= SclkLevel + 1.
+ */
+ pcie_count = (pp_table_information->vdd_dep_on_sclk->count) + 1;
+ if ((uint32_t)atom_pcie_table->ucNumEntries <= pcie_count)
+ pcie_count = (uint32_t)atom_pcie_table->ucNumEntries;
+ else
+ printk(KERN_ERR "[ powerplay ] Number of Pcie Entries exceed the number of SCLK Dpm Levels! \
+ Disregarding the excess entries... \n");
+
+ pcie_table->count = pcie_count;
+
+ for (i = 0; i < pcie_count; i++) {
+ pcie_table->entries[i].gen_speed =
+ atom_pcie_table->entries[i].ucPCIEGenSpeed;
+ pcie_table->entries[i].lane_width =
+ atom_pcie_table->entries[i].usPCIELaneWidth;
+ }
+
+ *pp_tonga_pcie_table = pcie_table;
+
+ return 0;
+}
+
+static int get_cac_tdp_table(
+ struct pp_hwmgr *hwmgr,
+ struct phm_cac_tdp_table **cac_tdp_table,
+ const PPTable_Generic_SubTable_Header * table
+ )
+{
+ uint32_t table_size;
+ struct phm_cac_tdp_table *tdp_table;
+
+ table_size = sizeof(uint32_t) + sizeof(struct phm_cac_tdp_table);
+ tdp_table = kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == tdp_table)
+ return -1;
+
+ memset(tdp_table, 0x00, table_size);
+
+ hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == hwmgr->dyn_state.cac_dtp_table)
+ return -1;
+
+ memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size);
+
+ if (table->ucRevId < 3) {
+ const ATOM_Tonga_PowerTune_Table *tonga_table =
+ (ATOM_Tonga_PowerTune_Table *)table;
+ tdp_table->usTDP = tonga_table->usTDP;
+ tdp_table->usConfigurableTDP =
+ tonga_table->usConfigurableTDP;
+ tdp_table->usTDC = tonga_table->usTDC;
+ tdp_table->usBatteryPowerLimit =
+ tonga_table->usBatteryPowerLimit;
+ tdp_table->usSmallPowerLimit =
+ tonga_table->usSmallPowerLimit;
+ tdp_table->usLowCACLeakage =
+ tonga_table->usLowCACLeakage;
+ tdp_table->usHighCACLeakage =
+ tonga_table->usHighCACLeakage;
+ tdp_table->usMaximumPowerDeliveryLimit =
+ tonga_table->usMaximumPowerDeliveryLimit;
+ tdp_table->usDefaultTargetOperatingTemp =
+ tonga_table->usTjMax;
+ tdp_table->usTargetOperatingTemp =
+ tonga_table->usTjMax; /*Set the initial temp to the same as default */
+ tdp_table->usPowerTuneDataSetID =
+ tonga_table->usPowerTuneDataSetID;
+ tdp_table->usSoftwareShutdownTemp =
+ tonga_table->usSoftwareShutdownTemp;
+ tdp_table->usClockStretchAmount =
+ tonga_table->usClockStretchAmount;
+ } else { /* Fiji and newer */
+ const ATOM_Fiji_PowerTune_Table *fijitable =
+ (ATOM_Fiji_PowerTune_Table *)table;
+ tdp_table->usTDP = fijitable->usTDP;
+ tdp_table->usConfigurableTDP = fijitable->usConfigurableTDP;
+ tdp_table->usTDC = fijitable->usTDC;
+ tdp_table->usBatteryPowerLimit = fijitable->usBatteryPowerLimit;
+ tdp_table->usSmallPowerLimit = fijitable->usSmallPowerLimit;
+ tdp_table->usLowCACLeakage = fijitable->usLowCACLeakage;
+ tdp_table->usHighCACLeakage = fijitable->usHighCACLeakage;
+ tdp_table->usMaximumPowerDeliveryLimit =
+ fijitable->usMaximumPowerDeliveryLimit;
+ tdp_table->usDefaultTargetOperatingTemp =
+ fijitable->usTjMax;
+ tdp_table->usTargetOperatingTemp =
+ fijitable->usTjMax; /*Set the initial temp to the same as default */
+ tdp_table->usPowerTuneDataSetID =
+ fijitable->usPowerTuneDataSetID;
+ tdp_table->usSoftwareShutdownTemp =
+ fijitable->usSoftwareShutdownTemp;
+ tdp_table->usClockStretchAmount =
+ fijitable->usClockStretchAmount;
+ tdp_table->usTemperatureLimitHotspot =
+ fijitable->usTemperatureLimitHotspot;
+ tdp_table->usTemperatureLimitLiquid1 =
+ fijitable->usTemperatureLimitLiquid1;
+ tdp_table->usTemperatureLimitLiquid2 =
+ fijitable->usTemperatureLimitLiquid2;
+ tdp_table->usTemperatureLimitVrVddc =
+ fijitable->usTemperatureLimitVrVddc;
+ tdp_table->usTemperatureLimitVrMvdd =
+ fijitable->usTemperatureLimitVrMvdd;
+ tdp_table->usTemperatureLimitPlx =
+ fijitable->usTemperatureLimitPlx;
+ tdp_table->ucLiquid1_I2C_address =
+ fijitable->ucLiquid1_I2C_address;
+ tdp_table->ucLiquid2_I2C_address =
+ fijitable->ucLiquid2_I2C_address;
+ tdp_table->ucLiquid_I2C_Line =
+ fijitable->ucLiquid_I2C_Line;
+ tdp_table->ucVr_I2C_address = fijitable->ucVr_I2C_address;
+ tdp_table->ucVr_I2C_Line = fijitable->ucVr_I2C_Line;
+ tdp_table->ucPlx_I2C_address = fijitable->ucPlx_I2C_address;
+ tdp_table->ucPlx_I2C_Line = fijitable->ucPlx_I2C_Line;
+ }
+
+ *cac_tdp_table = tdp_table;
+
+ return 0;
+}
+
+static int get_mm_clock_voltage_table(
+ struct pp_hwmgr *hwmgr,
+ phm_ppt_v1_mm_clock_voltage_dependency_table **tonga_mm_table,
+ const ATOM_Tonga_MM_Dependency_Table * mm_dependency_table
+ )
+{
+ uint32_t table_size, i;
+ const ATOM_Tonga_MM_Dependency_Record *mm_dependency_record;
+ phm_ppt_v1_mm_clock_voltage_dependency_table *mm_table;
+
+ PP_ASSERT_WITH_CODE((0 != mm_dependency_table->ucNumEntries),
+ "Invalid PowerPlay Table!", return -1);
+ table_size = sizeof(uint32_t) +
+ sizeof(phm_ppt_v1_mm_clock_voltage_dependency_record)
+ * mm_dependency_table->ucNumEntries;
+ mm_table = (phm_ppt_v1_mm_clock_voltage_dependency_table *)
+ kzalloc(table_size, GFP_KERNEL);
+
+ if (NULL == mm_table)
+ return -1;
+
+ memset(mm_table, 0x00, table_size);
+
+ mm_table->count = mm_dependency_table->ucNumEntries;
+
+ for (i = 0; i < mm_dependency_table->ucNumEntries; i++) {
+ mm_dependency_record = &mm_dependency_table->entries[i];
+ mm_table->entries[i].vddcInd = mm_dependency_record->ucVddcInd;
+ mm_table->entries[i].vddgfx_offset = mm_dependency_record->usVddgfxOffset;
+ mm_table->entries[i].aclk = mm_dependency_record->ulAClk;
+ mm_table->entries[i].samclock = mm_dependency_record->ulSAMUClk;
+ mm_table->entries[i].eclk = mm_dependency_record->ulEClk;
+ mm_table->entries[i].vclk = mm_dependency_record->ulVClk;
+ mm_table->entries[i].dclk = mm_dependency_record->ulDClk;
+ }
+
+ *tonga_mm_table = mm_table;
+
+ return 0;
+}
+
+/**
+ * Private Function used during initialization.
+ * Initialize clock voltage dependency
+ * @param hwmgr Pointer to the hardware manager.
+ * @param powerplay_table Pointer to the PowerPlay Table.
+ */
+static int init_clock_voltage_dependency(
+ struct pp_hwmgr *hwmgr,
+ const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+ )
+{
+ int result = 0;
+ struct phm_ppt_v1_information *pp_table_information =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ const ATOM_Tonga_MM_Dependency_Table *mm_dependency_table =
+ (const ATOM_Tonga_MM_Dependency_Table *)(((unsigned long) powerplay_table) +
+ le16_to_cpu(powerplay_table->usMMDependencyTableOffset));
+ const PPTable_Generic_SubTable_Header *pPowerTuneTable =
+ (const PPTable_Generic_SubTable_Header *)(((unsigned long) powerplay_table) +
+ le16_to_cpu(powerplay_table->usPowerTuneTableOffset));
+ const ATOM_Tonga_MCLK_Dependency_Table *mclk_dep_table =
+ (const ATOM_Tonga_MCLK_Dependency_Table *)(((unsigned long) powerplay_table) +
+ le16_to_cpu(powerplay_table->usMclkDependencyTableOffset));
+ const ATOM_Tonga_SCLK_Dependency_Table *sclk_dep_table =
+ (const ATOM_Tonga_SCLK_Dependency_Table *)(((unsigned long) powerplay_table) +
+ le16_to_cpu(powerplay_table->usSclkDependencyTableOffset));
+ const ATOM_Tonga_Hard_Limit_Table *pHardLimits =
+ (const ATOM_Tonga_Hard_Limit_Table *)(((unsigned long) powerplay_table) +
+ le16_to_cpu(powerplay_table->usHardLimitTableOffset));
+ const ATOM_Tonga_PCIE_Table *pcie_table =
+ (const ATOM_Tonga_PCIE_Table *)(((unsigned long) powerplay_table) +
+ le16_to_cpu(powerplay_table->usPCIETableOffset));
+
+ pp_table_information->vdd_dep_on_sclk = NULL;
+ pp_table_information->vdd_dep_on_mclk = NULL;
+ pp_table_information->mm_dep_table = NULL;
+ pp_table_information->pcie_table = NULL;
+
+ if (powerplay_table->usMMDependencyTableOffset != 0)
+ result = get_mm_clock_voltage_table(hwmgr,
+ &pp_table_information->mm_dep_table, mm_dependency_table);
+
+ if (result == 0 && powerplay_table->usPowerTuneTableOffset != 0)
+ result = get_cac_tdp_table(hwmgr,
+ &pp_table_information->cac_dtp_table, pPowerTuneTable);
+
+ if (result == 0 && powerplay_table->usSclkDependencyTableOffset != 0)
+ result = get_sclk_voltage_dependency_table(hwmgr,
+ &pp_table_information->vdd_dep_on_sclk, sclk_dep_table);
+
+ if (result == 0 && powerplay_table->usMclkDependencyTableOffset != 0)
+ result = get_mclk_voltage_dependency_table(hwmgr,
+ &pp_table_information->vdd_dep_on_mclk, mclk_dep_table);
+
+ if (result == 0 && powerplay_table->usPCIETableOffset != 0)
+ result = get_pcie_table(hwmgr,
+ &pp_table_information->pcie_table, pcie_table);
+
+ if (result == 0 && powerplay_table->usHardLimitTableOffset != 0)
+ result = get_hard_limits(hwmgr,
+ &pp_table_information->max_clock_voltage_on_dc, pHardLimits);
+
+ hwmgr->dyn_state.max_clock_voltage_on_dc.sclk =
+ pp_table_information->max_clock_voltage_on_dc.sclk;
+ hwmgr->dyn_state.max_clock_voltage_on_dc.mclk =
+ pp_table_information->max_clock_voltage_on_dc.mclk;
+ hwmgr->dyn_state.max_clock_voltage_on_dc.vddc =
+ pp_table_information->max_clock_voltage_on_dc.vddc;
+ hwmgr->dyn_state.max_clock_voltage_on_dc.vddci =
+ pp_table_information->max_clock_voltage_on_dc.vddci;
+
+ if (result == 0 && (NULL != pp_table_information->vdd_dep_on_mclk)
+ && (0 != pp_table_information->vdd_dep_on_mclk->count))
+ result = get_valid_clk(hwmgr, &pp_table_information->valid_mclk_values,
+ pp_table_information->vdd_dep_on_mclk);
+
+ if (result == 0 && (NULL != pp_table_information->vdd_dep_on_sclk)
+ && (0 != pp_table_information->vdd_dep_on_sclk->count))
+ result = get_valid_clk(hwmgr, &pp_table_information->valid_sclk_values,
+ pp_table_information->vdd_dep_on_sclk);
+
+ return result;
+}
+
+/** Retrieves the (signed) Overdrive limits from VBIOS.
+ * The max engine clock, memory clock and max temperature come from the firmware info table.
+ *
+ * The information is placed into the platform descriptor.
+ *
+ * @param hwmgr source of the VBIOS table and owner of the platform descriptor to be updated.
+ * @param powerplay_table the address of the PowerPlay table.
+ *
+ * @return 1 as long as the firmware info table was present and of a supported version.
+ */
+static int init_over_drive_limits(
+ struct pp_hwmgr *hwmgr,
+ const ATOM_Tonga_POWERPLAYTABLE *powerplay_table)
+{
+ hwmgr->platform_descriptor.overdriveLimit.engineClock =
+ le16_to_cpu(powerplay_table->ulMaxODEngineClock);
+ hwmgr->platform_descriptor.overdriveLimit.memoryClock =
+ le16_to_cpu(powerplay_table->ulMaxODMemoryClock);
+
+ hwmgr->platform_descriptor.minOverdriveVDDC = 0;
+ hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
+ hwmgr->platform_descriptor.overdriveVDDCStep = 0;
+
+ if (hwmgr->platform_descriptor.overdriveLimit.engineClock > 0 \
+ && hwmgr->platform_descriptor.overdriveLimit.memoryClock > 0) {
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_ACOverdriveSupport);
+ }
+
+ return 0;
+}
+
+/**
+ * Private Function used during initialization.
+ * Inspect the PowerPlay table for obvious signs of corruption.
+ * @param hwmgr Pointer to the hardware manager.
+ * @param powerplay_table Pointer to the PowerPlay Table.
+ * @exception This implementation always returns 1.
+ */
+static int init_thermal_controller(
+ struct pp_hwmgr *hwmgr,
+ const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+ )
+{
+ const PPTable_Generic_SubTable_Header *fan_table;
+ ATOM_Tonga_Thermal_Controller *thermal_controller;
+
+ thermal_controller = (ATOM_Tonga_Thermal_Controller *)
+ (((unsigned long)powerplay_table) +
+ le16_to_cpu(powerplay_table->usThermalControllerOffset));
+ PP_ASSERT_WITH_CODE((0 != powerplay_table->usThermalControllerOffset),
+ "Thermal controller table not set!", return -1);
+
+ hwmgr->thermal_controller.ucType = thermal_controller->ucType;
+ hwmgr->thermal_controller.ucI2cLine = thermal_controller->ucI2cLine;
+ hwmgr->thermal_controller.ucI2cAddress = thermal_controller->ucI2cAddress;
+
+ hwmgr->thermal_controller.fanInfo.bNoFan =
+ (0 != (thermal_controller->ucFanParameters & ATOM_TONGA_PP_FANPARAMETERS_NOFAN));
+
+ hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
+ thermal_controller->ucFanParameters &
+ ATOM_TONGA_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
+
+ hwmgr->thermal_controller.fanInfo.ulMinRPM
+ = thermal_controller->ucFanMinRPM * 100UL;
+ hwmgr->thermal_controller.fanInfo.ulMaxRPM
+ = thermal_controller->ucFanMaxRPM * 100UL;
+
+ set_hw_cap(
+ hwmgr,
+ ATOM_TONGA_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
+ PHM_PlatformCaps_ThermalController
+ );
+
+ if (0 == powerplay_table->usFanTableOffset)
+ return -1;
+
+ fan_table = (const PPTable_Generic_SubTable_Header *)
+ (((unsigned long)powerplay_table) +
+ le16_to_cpu(powerplay_table->usFanTableOffset));
+
+ PP_ASSERT_WITH_CODE((0 != powerplay_table->usFanTableOffset),
+ "Fan table not set!", return -1);
+ PP_ASSERT_WITH_CODE((0 < fan_table->ucRevId),
+ "Unsupported fan table format!", return -1);
+
+ hwmgr->thermal_controller.advanceFanControlParameters.ulCycleDelay
+ = 100000;
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_MicrocodeFanControl);
+
+ if (fan_table->ucRevId < 8) {
+ const ATOM_Tonga_Fan_Table *tonga_fan_table =
+ (ATOM_Tonga_Fan_Table *)fan_table;
+ hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
+ = tonga_fan_table->ucTHyst;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMin
+ = tonga_fan_table->usTMin;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMed
+ = tonga_fan_table->usTMed;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
+ = tonga_fan_table->usTHigh;
+ hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
+ = tonga_fan_table->usPWMMin;
+ hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
+ = tonga_fan_table->usPWMMed;
+ hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
+ = tonga_fan_table->usPWMHigh;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMax
+ = 10900; /* hard coded */
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMax
+ = tonga_fan_table->usTMax;
+ hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
+ = tonga_fan_table->ucFanControlMode;
+ hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
+ = tonga_fan_table->usFanPWMMax;
+ hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
+ = 4836;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
+ = tonga_fan_table->usFanOutputSensitivity;
+ hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
+ = tonga_fan_table->usFanRPMMax;
+ hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
+ = (tonga_fan_table->ulMinFanSCLKAcousticLimit / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */
+ hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
+ = tonga_fan_table->ucTargetTemperature;
+ hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
+ = tonga_fan_table->ucMinimumPWMLimit;
+ } else {
+ const ATOM_Fiji_Fan_Table *fiji_fan_table =
+ (ATOM_Fiji_Fan_Table *)fan_table;
+ hwmgr->thermal_controller.advanceFanControlParameters.ucTHyst
+ = fiji_fan_table->ucTHyst;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMin
+ = fiji_fan_table->usTMin;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMed
+ = fiji_fan_table->usTMed;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTHigh
+ = fiji_fan_table->usTHigh;
+ hwmgr->thermal_controller.advanceFanControlParameters.usPWMMin
+ = fiji_fan_table->usPWMMin;
+ hwmgr->thermal_controller.advanceFanControlParameters.usPWMMed
+ = fiji_fan_table->usPWMMed;
+ hwmgr->thermal_controller.advanceFanControlParameters.usPWMHigh
+ = fiji_fan_table->usPWMHigh;
+ hwmgr->thermal_controller.advanceFanControlParameters.usTMax
+ = fiji_fan_table->usTMax;
+ hwmgr->thermal_controller.advanceFanControlParameters.ucFanControlMode
+ = fiji_fan_table->ucFanControlMode;
+ hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanPWM
+ = fiji_fan_table->usFanPWMMax;
+ hwmgr->thermal_controller.advanceFanControlParameters.usDefaultFanOutputSensitivity
+ = 4836;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanOutputSensitivity
+ = fiji_fan_table->usFanOutputSensitivity;
+ hwmgr->thermal_controller.advanceFanControlParameters.usDefaultMaxFanRPM
+ = fiji_fan_table->usFanRPMMax;
+ hwmgr->thermal_controller.advanceFanControlParameters.ulMinFanSCLKAcousticLimit
+ = (fiji_fan_table->ulMinFanSCLKAcousticLimit / 100); /* PPTable stores it in 10Khz unit for 2 decimal places. SMC wants MHz. */
+ hwmgr->thermal_controller.advanceFanControlParameters.ucTargetTemperature
+ = fiji_fan_table->ucTargetTemperature;
+ hwmgr->thermal_controller.advanceFanControlParameters.ucMinimumPWMLimit
+ = fiji_fan_table->ucMinimumPWMLimit;
+
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainEdge
+ = fiji_fan_table->usFanGainEdge;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHotspot
+ = fiji_fan_table->usFanGainHotspot;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainLiquid
+ = fiji_fan_table->usFanGainLiquid;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrVddc
+ = fiji_fan_table->usFanGainVrVddc;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainVrMvdd
+ = fiji_fan_table->usFanGainVrMvdd;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainPlx
+ = fiji_fan_table->usFanGainPlx;
+ hwmgr->thermal_controller.advanceFanControlParameters.usFanGainHbm
+ = fiji_fan_table->usFanGainHbm;
+ }
+
+ return 0;
+}
+
+/**
+ * Private Function used during initialization.
+ * Inspect the PowerPlay table for obvious signs of corruption.
+ * @param hwmgr Pointer to the hardware manager.
+ * @param powerplay_table Pointer to the PowerPlay Table.
+ * @exception 2 if the powerplay table is incorrect.
+ */
+static int check_powerplay_tables(
+ struct pp_hwmgr *hwmgr,
+ const ATOM_Tonga_POWERPLAYTABLE *powerplay_table
+ )
+{
+ const ATOM_Tonga_State_Array *state_arrays;
+
+ state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)powerplay_table) +
+ le16_to_cpu(powerplay_table->usStateArrayOffset));
+
+ PP_ASSERT_WITH_CODE((ATOM_Tonga_TABLE_REVISION_TONGA <=
+ powerplay_table->sHeader.ucTableFormatRevision),
+ "Unsupported PPTable format!", return -1);
+ PP_ASSERT_WITH_CODE((0 != powerplay_table->usStateArrayOffset),
+ "State table is not set!", return -1);
+ PP_ASSERT_WITH_CODE((0 < powerplay_table->sHeader.usStructureSize),
+ "Invalid PowerPlay Table!", return -1);
+ PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
+ "Invalid PowerPlay Table!", return -1);
+
+ return 0;
+}
+
+int tonga_pp_tables_initialize(struct pp_hwmgr *hwmgr)
+{
+ int result = 0;
+ const ATOM_Tonga_POWERPLAYTABLE *powerplay_table;
+
+ hwmgr->pptable = kzalloc(sizeof(struct phm_ppt_v1_information), GFP_KERNEL);
+
+ if (NULL == hwmgr->pptable)
+ return -1;
+
+ memset(hwmgr->pptable, 0x00, sizeof(struct phm_ppt_v1_information));
+
+ powerplay_table = get_powerplay_table(hwmgr);
+
+ PP_ASSERT_WITH_CODE((NULL != powerplay_table),
+ "Missing PowerPlay Table!", return -1);
+
+ result = check_powerplay_tables(hwmgr, powerplay_table);
+
+ if (0 == result)
+ result = set_platform_caps(hwmgr,
+ le32_to_cpu(powerplay_table->ulPlatformCaps));
+
+ if (0 == result)
+ result = init_thermal_controller(hwmgr, powerplay_table);
+
+ if (0 == result)
+ result = init_over_drive_limits(hwmgr, powerplay_table);
+
+ if (0 == result)
+ result = init_clock_voltage_dependency(hwmgr, powerplay_table);
+
+ if (0 == result)
+ result = init_dpm_2_parameters(hwmgr, powerplay_table);
+
+ return result;
+}
+
+int tonga_pp_tables_uninitialize(struct pp_hwmgr *hwmgr)
+{
+ int result = 0;
+ struct phm_ppt_v1_information *pp_table_information =
+ (struct phm_ppt_v1_information *)(hwmgr->pptable);
+
+ if (NULL != hwmgr->soft_pp_table) {
+ kfree(hwmgr->soft_pp_table);
+ hwmgr->soft_pp_table = NULL;
+ }
+
+ if (NULL != pp_table_information->vdd_dep_on_sclk)
+ pp_table_information->vdd_dep_on_sclk = NULL;
+
+ if (NULL != pp_table_information->vdd_dep_on_mclk)
+ pp_table_information->vdd_dep_on_mclk = NULL;
+
+ if (NULL != pp_table_information->valid_mclk_values)
+ pp_table_information->valid_mclk_values = NULL;
+
+ if (NULL != pp_table_information->valid_sclk_values)
+ pp_table_information->valid_sclk_values = NULL;
+
+ if (NULL != pp_table_information->vddc_lookup_table)
+ pp_table_information->vddc_lookup_table = NULL;
+
+ if (NULL != pp_table_information->vddgfx_lookup_table)
+ pp_table_information->vddgfx_lookup_table = NULL;
+
+ if (NULL != pp_table_information->mm_dep_table)
+ pp_table_information->mm_dep_table = NULL;
+
+ if (NULL != pp_table_information->cac_dtp_table)
+ pp_table_information->cac_dtp_table = NULL;
+
+ if (NULL != hwmgr->dyn_state.cac_dtp_table)
+ hwmgr->dyn_state.cac_dtp_table = NULL;
+
+ if (NULL != pp_table_information->ppm_parameter_table)
+ pp_table_information->ppm_parameter_table = NULL;
+
+ if (NULL != pp_table_information->pcie_table)
+ pp_table_information->pcie_table = NULL;
+
+ if (NULL != hwmgr->pptable) {
+ kfree(hwmgr->pptable);
+ hwmgr->pptable = NULL;
+ }
+
+ return result;
+}
+
+const struct pp_table_func tonga_pptable_funcs = {
+ .pptable_init = tonga_pp_tables_initialize,
+ .pptable_fini = tonga_pp_tables_uninitialize,
+};
+
+int tonga_get_number_of_powerplay_table_entries(struct pp_hwmgr *hwmgr)
+{
+ const ATOM_Tonga_State_Array * state_arrays;
+ const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
+
+ PP_ASSERT_WITH_CODE((NULL != pp_table),
+ "Missing PowerPlay Table!", return -1);
+ PP_ASSERT_WITH_CODE((pp_table->sHeader.ucTableFormatRevision >=
+ ATOM_Tonga_TABLE_REVISION_TONGA),
+ "Incorrect PowerPlay table revision!", return -1);
+
+ state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
+ le16_to_cpu(pp_table->usStateArrayOffset));
+
+ return (uint32_t)(state_arrays->ucNumEntries);
+}
+
+/**
+* Private function to convert flags stored in the BIOS to software flags in PowerPlay.
+*/
+static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr,
+ uint16_t classification, uint16_t classification2)
+{
+ uint32_t result = 0;
+
+ if (classification & ATOM_PPLIB_CLASSIFICATION_BOOT)
+ result |= PP_StateClassificationFlag_Boot;
+
+ if (classification & ATOM_PPLIB_CLASSIFICATION_THERMAL)
+ result |= PP_StateClassificationFlag_Thermal;
+
+ if (classification & ATOM_PPLIB_CLASSIFICATION_LIMITEDPOWERSOURCE)
+ result |= PP_StateClassificationFlag_LimitedPowerSource;
+
+ if (classification & ATOM_PPLIB_CLASSIFICATION_REST)
+ result |= PP_StateClassificationFlag_Rest;
+
+ if (classification & ATOM_PPLIB_CLASSIFICATION_FORCED)
+ result |= PP_StateClassificationFlag_Forced;
+
+ if (classification & ATOM_PPLIB_CLASSIFICATION_ACPI)
+ result |= PP_StateClassificationFlag_ACPI;
+
+ if (classification2 & ATOM_PPLIB_CLASSIFICATION2_LIMITEDPOWERSOURCE_2)
+ result |= PP_StateClassificationFlag_LimitedPowerSource_2;
+
+ return result;
+}
+
+/**
+* Create a Power State out of an entry in the PowerPlay table.
+* This function is called by the hardware back-end.
+* @param hwmgr Pointer to the hardware manager.
+* @param entry_index The index of the entry to be extracted from the table.
+* @param power_state The address of the PowerState instance being created.
+* @return -1 if the entry cannot be retrieved.
+*/
+int tonga_get_powerplay_table_entry(struct pp_hwmgr *hwmgr,
+ uint32_t entry_index, struct pp_power_state *power_state,
+ int (*call_back_func)(struct pp_hwmgr *, void *,
+ struct pp_power_state *, void *, uint32_t))
+{
+ int result = 0;
+ const ATOM_Tonga_State_Array * state_arrays;
+ const ATOM_Tonga_State *state_entry;
+ const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr);
+
+ PP_ASSERT_WITH_CODE((NULL != pp_table), "Missing PowerPlay Table!", return -1;);
+ power_state->classification.bios_index = entry_index;
+
+ if (pp_table->sHeader.ucTableFormatRevision >=
+ ATOM_Tonga_TABLE_REVISION_TONGA) {
+ state_arrays = (ATOM_Tonga_State_Array *)(((unsigned long)pp_table) +
+ le16_to_cpu(pp_table->usStateArrayOffset));
+
+ PP_ASSERT_WITH_CODE((0 < pp_table->usStateArrayOffset),
+ "Invalid PowerPlay Table State Array Offset.", return -1);
+ PP_ASSERT_WITH_CODE((0 < state_arrays->ucNumEntries),
+ "Invalid PowerPlay Table State Array.", return -1);
+ PP_ASSERT_WITH_CODE((entry_index <= state_arrays->ucNumEntries),
+ "Invalid PowerPlay Table State Array Entry.", return -1);
+
+ state_entry = &(state_arrays->states[entry_index]);
+
+ result = call_back_func(hwmgr, (void *)state_entry, power_state,
+ (void *)pp_table,
+ make_classification_flags(hwmgr,
+ le16_to_cpu(state_entry->usClassification),
+ le16_to_cpu(state_entry->usClassification2)));
+ }
+
+ if (!result && (power_state->classification.flags &
+ PP_StateClassificationFlag_Boot))
+ result = hwmgr->hwmgr_func->patch_boot_state(hwmgr, &(power_state->hardware));
+
+ return result;
+}
git.samba.org / sfrench / cifs-2.6.git / commitdiff