arch/x86/include/asm/intel_pmc_ipc.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_X86_INTEL_PMC_IPC_H_
   3 #define  _ASM_X86_INTEL_PMC_IPC_H_
   4
   5 /* Commands */
   6 #define PMC_IPC_PMIC_ACCESS             0xFF
   7 #define         PMC_IPC_PMIC_ACCESS_READ        0x0
   8 #define         PMC_IPC_PMIC_ACCESS_WRITE       0x1
   9 #define PMC_IPC_USB_PWR_CTRL            0xF0
  10 #define PMC_IPC_PMIC_BLACKLIST_SEL      0xEF
  11 #define PMC_IPC_PHY_CONFIG              0xEE
  12 #define PMC_IPC_NORTHPEAK_CTRL          0xED
  13 #define PMC_IPC_PM_DEBUG                0xEC
  14 #define PMC_IPC_PMC_TELEMTRY            0xEB
  15 #define PMC_IPC_PMC_FW_MSG_CTRL         0xEA
  16
  17 /* IPC return code */
  18 #define IPC_ERR_NONE                    0
  19 #define IPC_ERR_CMD_NOT_SUPPORTED       1
  20 #define IPC_ERR_CMD_NOT_SERVICED        2
  21 #define IPC_ERR_UNABLE_TO_SERVICE       3
  22 #define IPC_ERR_CMD_INVALID             4
  23 #define IPC_ERR_CMD_FAILED              5
  24 #define IPC_ERR_EMSECURITY              6
  25 #define IPC_ERR_UNSIGNEDKERNEL          7
  26
  27 /* GCR reg offsets from gcr base*/
  28 #define PMC_GCR_PMC_CFG_REG             0x08
  29 #define PMC_GCR_TELEM_DEEP_S0IX_REG     0x78
  30 #define PMC_GCR_TELEM_SHLW_S0IX_REG     0x80
  31
  32 #if IS_ENABLED(CONFIG_INTEL_PMC_IPC)
  33
  34 int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
  35                 u32 *out, u32 outlen);
  36 int intel_pmc_s0ix_counter_read(u64 *data);
  37 int intel_pmc_gcr_read64(u32 offset, u64 *data);
  38
  39 #else
  40
  41 static inline int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
  42                 u32 *out, u32 outlen)
  43 {
  44         return -EINVAL;
  45 }
  46
  47 static inline int intel_pmc_s0ix_counter_read(u64 *data)
  48 {
  49         return -EINVAL;
  50 }
  51
  52 static inline int intel_pmc_gcr_read64(u32 offset, u64 *data)
  53 {
  54         return -EINVAL;
  55 }
  56
  57 #endif /*CONFIG_INTEL_PMC_IPC*/
  58
  59 #endif