2 * Copyright 2018 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #ifndef __DAL_DCCG_H__
27 #define __DAL_DCCG_H__
30 #include "hw_shared.h"
32 enum phyd32clk_clock_source {
42 enum physymclk_clock_source {
43 PHYSYMCLK_FORCE_SRC_SYMCLK, // Select symclk as source of clock which is output to PHY through DCIO.
44 PHYSYMCLK_FORCE_SRC_PHYD18CLK, // Select phyd18clk as the source of clock which is output to PHY through DCIO.
45 PHYSYMCLK_FORCE_SRC_PHYD32CLK, // Select phyd32clk as the source of clock which is output to PHY through DCIO.
48 enum streamclk_source {
49 REFCLK, // Selects REFCLK as source for hdmistreamclk.
50 DTBCLK0, // Selects DTBCLK0 as source for hdmistreamclk.
51 DPREFCLK, // Selects DPREFCLK as source for hdmistreamclk
54 enum dentist_dispclk_change_mode {
55 DISPCLK_CHANGE_MODE_IMMEDIATE,
56 DISPCLK_CHANGE_MODE_RAMPING,
60 PIXEL_RATE_DIV_BY_1 = 0,
61 PIXEL_RATE_DIV_BY_2 = 1,
62 PIXEL_RATE_DIV_BY_4 = 3,
63 PIXEL_RATE_DIV_NA = 0xF
67 struct dc_context *ctx;
68 const struct dccg_funcs *funcs;
69 int pipe_dppclk_khz[MAX_PIPES];
71 bool dpp_clock_gated[MAX_PIPES];
72 //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */
73 //int audio_dtbclk_khz;/* TODO needs to be removed */
74 //int ref_dtbclk_khz;/* TODO needs to be removed */
77 struct dtbclk_dto_params {
78 const struct dc_crtc_timing *timing;
81 int req_audio_dtbclk_khz;
88 void (*update_dpp_dto)(struct dccg *dccg,
91 void (*get_dccg_ref_freq)(struct dccg *dccg,
92 unsigned int xtalin_freq_inKhz,
93 unsigned int *dccg_ref_freq_inKhz);
94 void (*set_fifo_errdet_ovr_en)(struct dccg *dccg,
96 void (*otg_add_pixel)(struct dccg *dccg,
98 void (*otg_drop_pixel)(struct dccg *dccg,
100 void (*dccg_init)(struct dccg *dccg);
102 void (*set_dpstreamclk)(
104 enum streamclk_source src,
108 void (*enable_symclk32_se)(
111 enum phyd32clk_clock_source phyd32clk);
113 void (*disable_symclk32_se)(
117 void (*enable_symclk32_le)(
120 enum phyd32clk_clock_source phyd32clk);
122 void (*disable_symclk32_le)(
126 void (*set_symclk32_le_root_clock_gating)(
131 void (*set_physymclk)(
134 enum physymclk_clock_source clk_src,
137 void (*set_dtbclk_dto)(
139 const struct dtbclk_dto_params *params);
141 void (*set_audio_dtbclk_dto)(
143 const struct dtbclk_dto_params *params);
145 void (*set_dispclk_change_mode)(
147 enum dentist_dispclk_change_mode change_mode);
157 void (*set_pixel_rate_div)(struct dccg *dccg,
159 enum pixel_rate_div k1,
160 enum pixel_rate_div k2);
162 void (*set_valid_pixel_rate)(
168 void (*trigger_dio_fifo_resync)(
171 void (*dpp_root_clock_control)(
173 unsigned int dpp_inst,
176 void (*enable_symclk_se)(
178 uint32_t stream_enc_inst,
179 uint32_t link_enc_inst);
181 void (*disable_symclk_se)(
183 uint32_t stream_enc_inst,
184 uint32_t link_enc_inst);
187 #endif //__DAL_DCCG_H__