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 enum streamclk_source clk_src; 63 uint64_t pixclk_hz; 64 uint64_t refclk_hz; 65 }; 66 67 enum pixel_rate_div { 68 PIXEL_RATE_DIV_BY_1 = 0, 69 PIXEL_RATE_DIV_BY_2 = 1, 70 PIXEL_RATE_DIV_BY_4 = 3, 71 PIXEL_RATE_DIV_NA = 0xF 72 }; 73 74 struct dccg { 75 struct dc_context *ctx; 76 const struct dccg_funcs *funcs; 77 int pipe_dppclk_khz[MAX_PIPES]; 78 int ref_dppclk; 79 bool dpp_clock_gated[MAX_PIPES]; 80 //int dtbclk_khz[MAX_PIPES];/* TODO needs to be removed */ 81 //int audio_dtbclk_khz;/* TODO needs to be removed */ 82 //int ref_dtbclk_khz;/* TODO needs to be removed */ 83 }; 84 85 struct dtbclk_dto_params { 86 const struct dc_crtc_timing *timing; 87 int otg_inst; 88 int pixclk_khz; 89 int req_audio_dtbclk_khz; 90 int num_odm_segments; 91 int ref_dtbclk_khz; 92 bool is_hdmi; 93 }; 94 95 struct dccg_funcs { 96 void (*update_dpp_dto)(struct dccg *dccg, 97 int dpp_inst, 98 int req_dppclk); 99 void (*get_dccg_ref_freq)(struct dccg *dccg, 100 unsigned int xtalin_freq_inKhz, 101 unsigned int *dccg_ref_freq_inKhz); 102 void (*set_fifo_errdet_ovr_en)(struct dccg *dccg, 103 bool en); 104 void (*otg_add_pixel)(struct dccg *dccg, 105 uint32_t otg_inst); 106 void (*otg_drop_pixel)(struct dccg *dccg, 107 uint32_t otg_inst); 108 void (*dccg_init)(struct dccg *dccg); 109 void (*set_dpstreamclk_root_clock_gating)( 110 struct dccg *dccg, 111 int dp_hpo_inst, 112 bool enable); 113 114 void (*set_dpstreamclk)( 115 struct dccg *dccg, 116 enum streamclk_source src, 117 int otg_inst, 118 int dp_hpo_inst); 119 120 void (*enable_symclk32_se)( 121 struct dccg *dccg, 122 int hpo_se_inst, 123 enum phyd32clk_clock_source phyd32clk); 124 125 void (*disable_symclk32_se)( 126 struct dccg *dccg, 127 int hpo_se_inst); 128 129 void (*enable_symclk32_le)( 130 struct dccg *dccg, 131 int hpo_le_inst, 132 enum phyd32clk_clock_source phyd32clk); 133 134 void (*disable_symclk32_le)( 135 struct dccg *dccg, 136 int hpo_le_inst); 137 138 void (*set_symclk32_le_root_clock_gating)( 139 struct dccg *dccg, 140 int hpo_le_inst, 141 bool enable); 142 143 void (*set_physymclk)( 144 struct dccg *dccg, 145 int phy_inst, 146 enum physymclk_clock_source clk_src, 147 bool force_enable); 148 149 void (*set_physymclk_root_clock_gating)( 150 struct dccg *dccg, 151 int phy_inst, 152 bool enable); 153 154 void (*set_dtbclk_dto)( 155 struct dccg *dccg, 156 const struct dtbclk_dto_params *params); 157 158 void (*set_audio_dtbclk_dto)( 159 struct dccg *dccg, 160 const struct dtbclk_dto_params *params); 161 162 void (*set_dispclk_change_mode)( 163 struct dccg *dccg, 164 enum dentist_dispclk_change_mode change_mode); 165 166 void (*disable_dsc)( 167 struct dccg *dccg, 168 int inst); 169 170 void (*enable_dsc)( 171 struct dccg *dccg, 172 int inst); 173 174 void (*set_pixel_rate_div)(struct dccg *dccg, 175 uint32_t otg_inst, 176 enum pixel_rate_div k1, 177 enum pixel_rate_div k2); 178 179 void (*get_pixel_rate_div)(struct dccg *dccg, 180 uint32_t otg_inst, 181 uint32_t *div_factor1, 182 uint32_t *div_factor2); 183 184 void (*set_valid_pixel_rate)( 185 struct dccg *dccg, 186 int ref_dtbclk_khz, 187 int otg_inst, 188 int pixclk_khz); 189 190 void (*trigger_dio_fifo_resync)( 191 struct dccg *dccg); 192 193 void (*dpp_root_clock_control)( 194 struct dccg *dccg, 195 unsigned int dpp_inst, 196 bool clock_on); 197 198 void (*enable_symclk_se)( 199 struct dccg *dccg, 200 uint32_t stream_enc_inst, 201 uint32_t link_enc_inst); 202 203 void (*disable_symclk_se)( 204 struct dccg *dccg, 205 uint32_t stream_enc_inst, 206 uint32_t link_enc_inst); 207 void (*set_dp_dto)( 208 struct dccg *dccg, 209 const struct dp_dto_params *params); 210 void (*set_dtbclk_p_src)( 211 struct dccg *dccg, 212 enum streamclk_source src, 213 uint32_t otg_inst); 214 void (*set_dto_dscclk)( 215 struct dccg *dccg, 216 uint32_t dsc_inst, 217 bool enable); 218 void (*set_ref_dscclk)(struct dccg *dccg, uint32_t dsc_inst); 219 }; 220 221 #endif //__DAL_DCCG_H__ 222