root/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h

INCLUDED FROM

   1 /*
   2  * Copyright 2012-15 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 __DC_LINK_ENCODER__DCE110_H__
  27 #define __DC_LINK_ENCODER__DCE110_H__
  28 
  29 #include "link_encoder.h"
  30 
  31 #define TO_DCE110_LINK_ENC(link_encoder)\
  32         container_of(link_encoder, struct dce110_link_encoder, base)
  33 
  34 /* Not found regs in dce120 spec
  35  * BIOS_SCRATCH_2
  36  * DP_DPHY_INTERNAL_CTRL
  37  */
  38 
  39 #define AUX_REG_LIST(id)\
  40         SRI(AUX_CONTROL, DP_AUX, id), \
  41         SRI(AUX_DPHY_RX_CONTROL0, DP_AUX, id)
  42 
  43 #define HPD_REG_LIST(id)\
  44         SRI(DC_HPD_CONTROL, HPD, id)
  45 
  46 #define LE_COMMON_REG_LIST_BASE(id) \
  47         SR(DMCU_RAM_ACCESS_CTRL), \
  48         SR(DMCU_IRAM_RD_CTRL), \
  49         SR(DMCU_IRAM_RD_DATA), \
  50         SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
  51         SRI(DIG_BE_CNTL, DIG, id), \
  52         SRI(DIG_BE_EN_CNTL, DIG, id), \
  53         SRI(DP_CONFIG, DP, id), \
  54         SRI(DP_DPHY_CNTL, DP, id), \
  55         SRI(DP_DPHY_PRBS_CNTL, DP, id), \
  56         SRI(DP_DPHY_SCRAM_CNTL, DP, id),\
  57         SRI(DP_DPHY_SYM0, DP, id), \
  58         SRI(DP_DPHY_SYM1, DP, id), \
  59         SRI(DP_DPHY_SYM2, DP, id), \
  60         SRI(DP_DPHY_TRAINING_PATTERN_SEL, DP, id), \
  61         SRI(DP_LINK_CNTL, DP, id), \
  62         SRI(DP_LINK_FRAMING_CNTL, DP, id), \
  63         SRI(DP_MSE_SAT0, DP, id), \
  64         SRI(DP_MSE_SAT1, DP, id), \
  65         SRI(DP_MSE_SAT2, DP, id), \
  66         SRI(DP_MSE_SAT_UPDATE, DP, id), \
  67         SRI(DP_SEC_CNTL, DP, id), \
  68         SRI(DP_VID_STREAM_CNTL, DP, id), \
  69         SRI(DP_DPHY_FAST_TRAINING, DP, id), \
  70         SRI(DP_SEC_CNTL1, DP, id)
  71 
  72 #define LE_COMMON_REG_LIST(id)\
  73         LE_COMMON_REG_LIST_BASE(id), \
  74         SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
  75         SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
  76         SR(DCI_MEM_PWR_STATUS)
  77 
  78 #define LE_DCE80_REG_LIST(id)\
  79         SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
  80         LE_COMMON_REG_LIST_BASE(id)
  81 
  82 #define LE_DCE100_REG_LIST(id)\
  83         LE_COMMON_REG_LIST_BASE(id), \
  84         SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
  85         SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
  86         SR(DCI_MEM_PWR_STATUS)
  87 
  88 #define LE_DCE110_REG_LIST(id)\
  89         LE_COMMON_REG_LIST_BASE(id), \
  90         SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
  91         SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
  92         SRI(DP_DPHY_HBR2_PATTERN_CONTROL, DP, id), \
  93         SR(DCI_MEM_PWR_STATUS)
  94 
  95 #define LE_DCE120_REG_LIST(id)\
  96         LE_COMMON_REG_LIST_BASE(id), \
  97         SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
  98         SRI(DP_DPHY_HBR2_PATTERN_CONTROL, DP, id), \
  99         SR(DCI_MEM_PWR_STATUS)
 100 
 101 #define LE_DCN10_REG_LIST(id)\
 102         LE_COMMON_REG_LIST_BASE(id), \
 103         SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
 104         SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
 105         SRI(DP_DPHY_HBR2_PATTERN_CONTROL, DP, id)
 106 
 107 struct dce110_link_enc_aux_registers {
 108         uint32_t AUX_CONTROL;
 109         uint32_t AUX_DPHY_RX_CONTROL0;
 110 };
 111 
 112 struct dce110_link_enc_hpd_registers {
 113         uint32_t DC_HPD_CONTROL;
 114 };
 115 
 116 struct dce110_link_enc_registers {
 117         /* DMCU registers */
 118         uint32_t MASTER_COMM_DATA_REG1;
 119         uint32_t MASTER_COMM_DATA_REG2;
 120         uint32_t MASTER_COMM_DATA_REG3;
 121         uint32_t MASTER_COMM_CMD_REG;
 122         uint32_t MASTER_COMM_CNTL_REG;
 123         uint32_t DMCU_RAM_ACCESS_CTRL;
 124         uint32_t DCI_MEM_PWR_STATUS;
 125         uint32_t DMU_MEM_PWR_CNTL;
 126         uint32_t DMCU_IRAM_RD_CTRL;
 127         uint32_t DMCU_IRAM_RD_DATA;
 128         uint32_t DMCU_INTERRUPT_TO_UC_EN_MASK;
 129 
 130         /* Common DP registers */
 131         uint32_t DIG_BE_CNTL;
 132         uint32_t DIG_BE_EN_CNTL;
 133         uint32_t DP_CONFIG;
 134         uint32_t DP_DPHY_CNTL;
 135         uint32_t DP_DPHY_INTERNAL_CTRL;
 136         uint32_t DP_DPHY_PRBS_CNTL;
 137         uint32_t DP_DPHY_SCRAM_CNTL;
 138         uint32_t DP_DPHY_SYM0;
 139         uint32_t DP_DPHY_SYM1;
 140         uint32_t DP_DPHY_SYM2;
 141         uint32_t DP_DPHY_TRAINING_PATTERN_SEL;
 142         uint32_t DP_LINK_CNTL;
 143         uint32_t DP_LINK_FRAMING_CNTL;
 144         uint32_t DP_MSE_SAT0;
 145         uint32_t DP_MSE_SAT1;
 146         uint32_t DP_MSE_SAT2;
 147         uint32_t DP_MSE_SAT_UPDATE;
 148         uint32_t DP_SEC_CNTL;
 149         uint32_t DP_VID_STREAM_CNTL;
 150         uint32_t DP_DPHY_FAST_TRAINING;
 151         uint32_t DP_DPHY_BS_SR_SWAP_CNTL;
 152         uint32_t DP_DPHY_HBR2_PATTERN_CONTROL;
 153         uint32_t DP_SEC_CNTL1;
 154 };
 155 
 156 struct dce110_link_encoder {
 157         struct link_encoder base;
 158         const struct dce110_link_enc_registers *link_regs;
 159         const struct dce110_link_enc_aux_registers *aux_regs;
 160         const struct dce110_link_enc_hpd_registers *hpd_regs;
 161 };
 162 
 163 
 164 void dce110_link_encoder_construct(
 165         struct dce110_link_encoder *enc110,
 166         const struct encoder_init_data *init_data,
 167         const struct encoder_feature_support *enc_features,
 168         const struct dce110_link_enc_registers *link_regs,
 169         const struct dce110_link_enc_aux_registers *aux_regs,
 170         const struct dce110_link_enc_hpd_registers *hpd_regs);
 171 
 172 bool dce110_link_encoder_validate_dvi_output(
 173         const struct dce110_link_encoder *enc110,
 174         enum signal_type connector_signal,
 175         enum signal_type signal,
 176         const struct dc_crtc_timing *crtc_timing);
 177 
 178 bool dce110_link_encoder_validate_rgb_output(
 179         const struct dce110_link_encoder *enc110,
 180         const struct dc_crtc_timing *crtc_timing);
 181 
 182 bool dce110_link_encoder_validate_dp_output(
 183         const struct dce110_link_encoder *enc110,
 184         const struct dc_crtc_timing *crtc_timing);
 185 
 186 bool dce110_link_encoder_validate_wireless_output(
 187         const struct dce110_link_encoder *enc110,
 188         const struct dc_crtc_timing *crtc_timing);
 189 
 190 bool dce110_link_encoder_validate_output_with_stream(
 191         struct link_encoder *enc,
 192         const struct dc_stream_state *stream);
 193 
 194 /****************** HW programming ************************/
 195 
 196 /* initialize HW */  /* why do we initialze aux in here? */
 197 void dce110_link_encoder_hw_init(struct link_encoder *enc);
 198 
 199 void dce110_link_encoder_destroy(struct link_encoder **enc);
 200 
 201 /* program DIG_MODE in DIG_BE */
 202 /* TODO can this be combined with enable_output? */
 203 void dce110_link_encoder_setup(
 204         struct link_encoder *enc,
 205         enum signal_type signal);
 206 
 207 /* enables TMDS PHY output */
 208 /* TODO: still need depth or just pass in adjusted pixel clock? */
 209 void dce110_link_encoder_enable_tmds_output(
 210         struct link_encoder *enc,
 211         enum clock_source_id clock_source,
 212         enum dc_color_depth color_depth,
 213         enum signal_type signal,
 214         uint32_t pixel_clock);
 215 
 216 /* enables DP PHY output */
 217 void dce110_link_encoder_enable_dp_output(
 218         struct link_encoder *enc,
 219         const struct dc_link_settings *link_settings,
 220         enum clock_source_id clock_source);
 221 
 222 /* enables DP PHY output in MST mode */
 223 void dce110_link_encoder_enable_dp_mst_output(
 224         struct link_encoder *enc,
 225         const struct dc_link_settings *link_settings,
 226         enum clock_source_id clock_source);
 227 
 228 /* enables LVDS PHY output */
 229 void dce110_link_encoder_enable_lvds_output(
 230         struct link_encoder *enc,
 231         enum clock_source_id clock_source,
 232         uint32_t pixel_clock);
 233 
 234 /* disable PHY output */
 235 void dce110_link_encoder_disable_output(
 236         struct link_encoder *enc,
 237         enum signal_type signal);
 238 
 239 /* set DP lane settings */
 240 void dce110_link_encoder_dp_set_lane_settings(
 241         struct link_encoder *enc,
 242         const struct link_training_settings *link_settings);
 243 
 244 void dce110_link_encoder_dp_set_phy_pattern(
 245         struct link_encoder *enc,
 246         const struct encoder_set_dp_phy_pattern_param *param);
 247 
 248 /* programs DP MST VC payload allocation */
 249 void dce110_link_encoder_update_mst_stream_allocation_table(
 250         struct link_encoder *enc,
 251         const struct link_mst_stream_allocation_table *table);
 252 
 253 void dce110_link_encoder_connect_dig_be_to_fe(
 254         struct link_encoder *enc,
 255         enum engine_id engine,
 256         bool connect);
 257 
 258 void dce110_link_encoder_set_dp_phy_pattern_training_pattern(
 259         struct link_encoder *enc,
 260         uint32_t index);
 261 
 262 void dce110_link_encoder_enable_hpd(struct link_encoder *enc);
 263 
 264 void dce110_link_encoder_disable_hpd(struct link_encoder *enc);
 265 
 266 void dce110_psr_program_dp_dphy_fast_training(struct link_encoder *enc,
 267                         bool exit_link_training_required);
 268 
 269 void dce110_psr_program_secondary_packet(struct link_encoder *enc,
 270                         unsigned int sdp_transmit_line_num_deadline);
 271 
 272 bool dce110_is_dig_enabled(struct link_encoder *enc);
 273 
 274 #endif /* __DC_LINK_ENCODER__DCE110_H__ */