linux/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
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   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
 107struct dce110_link_enc_aux_registers {
 108        uint32_t AUX_CONTROL;
 109        uint32_t AUX_DPHY_RX_CONTROL0;
 110};
 111
 112struct dce110_link_enc_hpd_registers {
 113        uint32_t DC_HPD_CONTROL;
 114};
 115
 116struct 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
 156struct 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
 164void 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
 172bool 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
 178bool dce110_link_encoder_validate_rgb_output(
 179        const struct dce110_link_encoder *enc110,
 180        const struct dc_crtc_timing *crtc_timing);
 181
 182bool dce110_link_encoder_validate_dp_output(
 183        const struct dce110_link_encoder *enc110,
 184        const struct dc_crtc_timing *crtc_timing);
 185
 186bool dce110_link_encoder_validate_wireless_output(
 187        const struct dce110_link_encoder *enc110,
 188        const struct dc_crtc_timing *crtc_timing);
 189
 190bool 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? */
 197void dce110_link_encoder_hw_init(struct link_encoder *enc);
 198
 199void 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? */
 203void 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? */
 209void 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 */
 217void 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 */
 223void 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 */
 229void 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 */
 235void dce110_link_encoder_disable_output(
 236        struct link_encoder *enc,
 237        enum signal_type signal);
 238
 239/* set DP lane settings */
 240void dce110_link_encoder_dp_set_lane_settings(
 241        struct link_encoder *enc,
 242        const struct link_training_settings *link_settings);
 243
 244void 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 */
 249void dce110_link_encoder_update_mst_stream_allocation_table(
 250        struct link_encoder *enc,
 251        const struct link_mst_stream_allocation_table *table);
 252
 253void dce110_link_encoder_connect_dig_be_to_fe(
 254        struct link_encoder *enc,
 255        enum engine_id engine,
 256        bool connect);
 257
 258void dce110_link_encoder_set_dp_phy_pattern_training_pattern(
 259        struct link_encoder *enc,
 260        uint32_t index);
 261
 262void dce110_link_encoder_enable_hpd(struct link_encoder *enc);
 263
 264void dce110_link_encoder_disable_hpd(struct link_encoder *enc);
 265
 266void dce110_psr_program_dp_dphy_fast_training(struct link_encoder *enc,
 267                        bool exit_link_training_required);
 268
 269void dce110_psr_program_secondary_packet(struct link_encoder *enc,
 270                        unsigned int sdp_transmit_line_num_deadline);
 271
 272bool dce110_is_dig_enabled(struct link_encoder *enc);
 273
 274#endif /* __DC_LINK_ENCODER__DCE110_H__ */
 275