drivers/gpu/drm/amd/display/dc/inc/hw/link_encoder.h

   1 /*
   2  * link_encoder.h
   3  *
   4  *  Created on: Oct 6, 2015
   5  *      Author: yonsun
   6  */
   7
   8 #ifndef LINK_ENCODER_H_
   9 #define LINK_ENCODER_H_
  10
  11 #include "grph_object_defs.h"
  12 #include "signal_types.h"
  13 #include "dc_types.h"
  14
  15 struct dc_context;
  16 struct encoder_set_dp_phy_pattern_param;
  17 struct link_mst_stream_allocation_table;
  18 struct dc_link_settings;
  19 struct link_training_settings;
  20 struct pipe_ctx;
  21
  22 struct encoder_init_data {
  23         enum channel_id channel;
  24         struct graphics_object_id connector;
  25         enum hpd_source_id hpd_source;
  26         /* TODO: in DAL2, here was pointer to EventManagerInterface */
  27         struct graphics_object_id encoder;
  28         struct dc_context *ctx;
  29         enum transmitter transmitter;
  30 };
  31
  32 struct encoder_feature_support {
  33         union {
  34                 struct {
  35                         uint32_t IS_HBR2_CAPABLE:1;
  36                         uint32_t IS_HBR3_CAPABLE:1;
  37                         uint32_t IS_TPS3_CAPABLE:1;
  38                         uint32_t IS_TPS4_CAPABLE:1;
  39                         uint32_t IS_YCBCR_CAPABLE:1;
  40                         uint32_t HDMI_6GB_EN:1;
  41                 } bits;
  42                 uint32_t raw;
  43         } flags;
  44
  45         enum dc_color_depth max_hdmi_deep_color;
  46         unsigned int max_hdmi_pixel_clock;
  47         bool ycbcr420_supported;
  48 };
  49
  50 union dpcd_psr_configuration {
  51         struct {
  52                 unsigned char ENABLE                    : 1;
  53                 unsigned char TRANSMITTER_ACTIVE_IN_PSR : 1;
  54                 unsigned char CRC_VERIFICATION          : 1;
  55                 unsigned char FRAME_CAPTURE_INDICATION  : 1;
  56                 /* For eDP 1.4, PSR v2*/
  57                 unsigned char LINE_CAPTURE_INDICATION   : 1;
  58                 /* For eDP 1.4, PSR v2*/
  59                 unsigned char IRQ_HPD_WITH_CRC_ERROR    : 1;
  60                 unsigned char RESERVED                  : 2;
  61         } bits;
  62         unsigned char raw;
  63 };
  64
  65 union psr_error_status {
  66         struct {
  67                 unsigned char LINK_CRC_ERROR        :1;
  68                 unsigned char RFB_STORAGE_ERROR     :1;
  69                 unsigned char RESERVED              :6;
  70         } bits;
  71         unsigned char raw;
  72 };
  73
  74 union psr_sink_psr_status {
  75         struct {
  76         unsigned char SINK_SELF_REFRESH_STATUS  :3;
  77         unsigned char RESERVED                  :5;
  78         } bits;
  79         unsigned char raw;
  80 };
  81
  82 struct link_encoder {
  83         const struct link_encoder_funcs *funcs;
  84         int32_t aux_channel_offset;
  85         struct dc_context *ctx;
  86         struct graphics_object_id id;
  87         struct graphics_object_id connector;
  88         uint32_t output_signals;
  89         enum engine_id preferred_engine;
  90         struct encoder_feature_support features;
  91         enum transmitter transmitter;
  92         enum hpd_source_id hpd_source;
  93 };
  94
  95 struct link_encoder_funcs {
  96         bool (*validate_output_with_stream)(
  97                 struct link_encoder *enc, const struct dc_stream_state *stream);
  98         void (*hw_init)(struct link_encoder *enc);
  99         void (*setup)(struct link_encoder *enc,
 100                 enum signal_type signal);
 101         void (*enable_tmds_output)(struct link_encoder *enc,
 102                 enum clock_source_id clock_source,
 103                 enum dc_color_depth color_depth,
 104                 bool hdmi,
 105                 bool dual_link,
 106                 uint32_t pixel_clock);
 107         void (*enable_dp_output)(struct link_encoder *enc,
 108                 const struct dc_link_settings *link_settings,
 109                 enum clock_source_id clock_source);
 110         void (*enable_dp_mst_output)(struct link_encoder *enc,
 111                 const struct dc_link_settings *link_settings,
 112                 enum clock_source_id clock_source);
 113         void (*disable_output)(struct link_encoder *link_enc,
 114                 enum signal_type signal, struct dc_link *link);
 115         void (*dp_set_lane_settings)(struct link_encoder *enc,
 116                 const struct link_training_settings *link_settings);
 117         void (*dp_set_phy_pattern)(struct link_encoder *enc,
 118                 const struct encoder_set_dp_phy_pattern_param *para);
 119         void (*update_mst_stream_allocation_table)(
 120                 struct link_encoder *enc,
 121                 const struct link_mst_stream_allocation_table *table);
 122         void (*psr_program_dp_dphy_fast_training)(struct link_encoder *enc,
 123                         bool exit_link_training_required);
 124         void (*psr_program_secondary_packet)(struct link_encoder *enc,
 125                                 unsigned int sdp_transmit_line_num_deadline);
 126         void (*connect_dig_be_to_fe)(struct link_encoder *enc,
 127                 enum engine_id engine,
 128                 bool connect);
 129         void (*enable_hpd)(struct link_encoder *enc);
 130         void (*disable_hpd)(struct link_encoder *enc);
 131         void (*destroy)(struct link_encoder **enc);
 132 };
 133
 134 #endif /* LINK_ENCODER_H_ */