1 /* 2 * Copyright 2018 Advanced Micro Devices, Inc. 3 * 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: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 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. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 #ifndef __DAL_DCCG_H__ 27 #define __DAL_DCCG_H__ 28 29 #include "dc_types.h" 30 #include "hw_shared.h" 31 32 enum phyd32clk_clock_source { 33 PHYD32CLKA, 34 PHYD32CLKB, 35 PHYD32CLKC, 36 PHYD32CLKD, 37 PHYD32CLKE, 38 PHYD32CLKF, 39 PHYD32CLKG, 40 }; 41 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. 46 }; 47 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 52 }; 53 54 enum dentist_dispclk_change_mode { 55 DISPCLK_CHANGE_MODE_IMMEDIATE, 56 DISPCLK_CHANGE_MODE_RAMPING, 57 }; 58 59 struct dp_dto_params { 60 int otg_inst; 61 enum signal_type signal; 62 uint64_t pixclk_hz; 63 uint64_t refclk_hz; 64 }; 65 66 enum pixel_rate_div { 67 PIXEL_RATE_DIV_BY_1 = 0, 68 PIXEL_RATE_DIV_BY_2 = 1, 69 PIXEL_RATE_DIV_BY_4 = 3, 70 PIXEL_RATE_DIV_NA = 0xF 71 }; 72 73 struct dccg { 74 struct dc_context *ctx; 75 const struct dccg_funcs *funcs; 76 int pipe_dppclk_khz[MAX_PIPES]; 77 int ref_dppclk; 78 bool dpp_clock_gated[MAX_PIPES]; 79 //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */ 80 //int audio_dtbclk_khz;/* TODO needs to be removed */ 81 //int ref_dtbclk_khz;/* TODO needs to be removed */ 82 }; 83 84 struct dtbclk_dto_params { 85 const struct dc_crtc_timing *timing; 86 int otg_inst; 87 int pixclk_khz; 88 int req_audio_dtbclk_khz; 89 int num_odm_segments; 90 int ref_dtbclk_khz; 91 bool is_hdmi; 92 }; 93 94 struct dccg_funcs { 95 void (*update_dpp_dto)(struct dccg *dccg, 96 int dpp_inst, 97 int req_dppclk); 98 void (*get_dccg_ref_freq)(struct dccg *dccg, 99 unsigned int xtalin_freq_inKhz, 100 unsigned int *dccg_ref_freq_inKhz); 101 void (*set_fifo_errdet_ovr_en)(struct dccg *dccg, 102 bool en); 103 void (*otg_add_pixel)(struct dccg *dccg, 104 uint32_t otg_inst); 105 void (*otg_drop_pixel)(struct dccg *dccg, 106 uint32_t otg_inst); 107 void (*dccg_init)(struct dccg *dccg); 108 109 void (*set_dpstreamclk)( 110 struct dccg *dccg, 111 enum streamclk_source src, 112 int otg_inst, 113 int dp_hpo_inst); 114 115 void (*enable_symclk32_se)( 116 struct dccg *dccg, 117 int hpo_se_inst, 118 enum phyd32clk_clock_source phyd32clk); 119 120 void (*disable_symclk32_se)( 121 struct dccg *dccg, 122 int hpo_se_inst); 123 124 void (*enable_symclk32_le)( 125 struct dccg *dccg, 126 int hpo_le_inst, 127 enum phyd32clk_clock_source phyd32clk); 128 129 void (*disable_symclk32_le)( 130 struct dccg *dccg, 131 int hpo_le_inst); 132 133 void (*set_symclk32_le_root_clock_gating)( 134 struct dccg *dccg, 135 int hpo_le_inst, 136 bool enable); 137 138 void (*set_physymclk)( 139 struct dccg *dccg, 140 int phy_inst, 141 enum physymclk_clock_source clk_src, 142 bool force_enable); 143 144 void (*set_physymclk_root_clock_gating)( 145 struct dccg *dccg, 146 int phy_inst, 147 bool enable); 148 149 void (*set_dtbclk_dto)( 150 struct dccg *dccg, 151 const struct dtbclk_dto_params *params); 152 153 void (*set_audio_dtbclk_dto)( 154 struct dccg *dccg, 155 const struct dtbclk_dto_params *params); 156 157 void (*set_dispclk_change_mode)( 158 struct dccg *dccg, 159 enum dentist_dispclk_change_mode change_mode); 160 161 void (*disable_dsc)( 162 struct dccg *dccg, 163 int inst); 164 165 void (*enable_dsc)( 166 struct dccg *dccg, 167 int inst); 168 169 void (*set_pixel_rate_div)(struct dccg *dccg, 170 uint32_t otg_inst, 171 enum pixel_rate_div k1, 172 enum pixel_rate_div k2); 173 174 void (*set_valid_pixel_rate)( 175 struct dccg *dccg, 176 int ref_dtbclk_khz, 177 int otg_inst, 178 int pixclk_khz); 179 180 void (*trigger_dio_fifo_resync)( 181 struct dccg *dccg); 182 183 void (*dpp_root_clock_control)( 184 struct dccg *dccg, 185 unsigned int dpp_inst, 186 bool clock_on); 187 188 void (*enable_symclk_se)( 189 struct dccg *dccg, 190 uint32_t stream_enc_inst, 191 uint32_t link_enc_inst); 192 193 void (*disable_symclk_se)( 194 struct dccg *dccg, 195 uint32_t stream_enc_inst, 196 uint32_t link_enc_inst); 197 void (*set_dp_dto)( 198 struct dccg *dccg, 199 const struct dp_dto_params *params); 200 void (*set_dtbclk_p_src)( 201 struct dccg *dccg, 202 enum streamclk_source src, 203 uint32_t otg_inst); 204 void (*set_dto_dscclk)( 205 struct dccg *dccg, 206 uint32_t dsc_inst); 207 void (*set_ref_dscclk)(struct dccg *dccg, uint32_t dsc_inst); 208 }; 209 210 #endif //__DAL_DCCG_H__ 211