2 * Copyright 2017 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 * Created on: Oct 6, 2015
30 #ifndef LINK_ENCODER_H_
31 #define LINK_ENCODER_H_
33 #include "grph_object_defs.h"
34 #include "signal_types.h"
38 struct encoder_set_dp_phy_pattern_param;
39 struct link_mst_stream_allocation_table;
40 struct dc_link_settings;
41 struct link_training_settings;
44 struct encoder_init_data {
45 enum channel_id channel;
46 struct graphics_object_id connector;
47 enum hpd_source_id hpd_source;
48 /* TODO: in DAL2, here was pointer to EventManagerInterface */
49 struct graphics_object_id encoder;
50 struct dc_context *ctx;
51 enum transmitter transmitter;
54 struct encoder_feature_support {
57 uint32_t IS_HBR2_CAPABLE:1;
58 uint32_t IS_HBR3_CAPABLE:1;
59 uint32_t IS_TPS3_CAPABLE:1;
60 uint32_t IS_TPS4_CAPABLE:1;
61 uint32_t HDMI_6GB_EN:1;
62 uint32_t IS_DP2_CAPABLE:1;
63 uint32_t IS_UHBR10_CAPABLE:1;
64 uint32_t IS_UHBR13_5_CAPABLE:1;
65 uint32_t IS_UHBR20_CAPABLE:1;
66 uint32_t DP_IS_USB_C:1;
71 enum dc_color_depth max_hdmi_deep_color;
72 unsigned int max_hdmi_pixel_clock;
73 bool hdmi_ycbcr420_supported;
74 bool dp_ycbcr420_supported;
78 union dpcd_psr_configuration {
80 unsigned char ENABLE : 1;
81 unsigned char TRANSMITTER_ACTIVE_IN_PSR : 1;
82 unsigned char CRC_VERIFICATION : 1;
83 unsigned char FRAME_CAPTURE_INDICATION : 1;
84 /* For eDP 1.4, PSR v2*/
85 unsigned char LINE_CAPTURE_INDICATION : 1;
86 /* For eDP 1.4, PSR v2*/
87 unsigned char IRQ_HPD_WITH_CRC_ERROR : 1;
88 unsigned char ENABLE_PSR2 : 1;
89 /* For eDP 1.5, PSR v2 w/ early transport */
90 unsigned char EARLY_TRANSPORT_ENABLE : 1;
95 union dpcd_alpm_configuration {
97 unsigned char ENABLE : 1;
98 unsigned char IRQ_HPD_ENABLE : 1;
99 unsigned char RESERVED : 6;
104 union dpcd_sink_active_vtotal_control_mode {
106 unsigned char ENABLE : 1;
107 unsigned char RESERVED : 7;
112 union psr_error_status {
114 unsigned char LINK_CRC_ERROR :1;
115 unsigned char RFB_STORAGE_ERROR :1;
116 unsigned char VSC_SDP_ERROR :1;
117 unsigned char RESERVED :5;
122 union psr_sink_psr_status {
124 unsigned char SINK_SELF_REFRESH_STATUS :3;
125 unsigned char RESERVED :5;
130 struct link_encoder {
131 const struct link_encoder_funcs *funcs;
132 int32_t aux_channel_offset;
133 struct dc_context *ctx;
134 struct graphics_object_id id;
135 struct graphics_object_id connector;
136 uint32_t output_signals;
137 enum engine_id preferred_engine;
138 struct encoder_feature_support features;
139 enum transmitter transmitter;
140 enum hpd_source_id hpd_source;
144 struct link_enc_state {
146 uint32_t dphy_fec_en;
147 uint32_t dphy_fec_ready_shadow;
148 uint32_t dphy_fec_active_status;
149 uint32_t dp_link_training_complete;
153 enum encoder_type_select {
154 ENCODER_TYPE_DIG = 0,
155 ENCODER_TYPE_HDMI_FRL = 1,
156 ENCODER_TYPE_DP_128B132B = 2
159 struct link_encoder_funcs {
161 struct link_encoder *enc, struct link_enc_state *s);
162 bool (*validate_output_with_stream)(
163 struct link_encoder *enc, const struct dc_stream_state *stream);
164 void (*hw_init)(struct link_encoder *enc);
165 void (*setup)(struct link_encoder *enc,
166 enum signal_type signal);
167 void (*enable_tmds_output)(struct link_encoder *enc,
168 enum clock_source_id clock_source,
169 enum dc_color_depth color_depth,
170 enum signal_type signal,
171 uint32_t pixel_clock);
172 void (*enable_dp_output)(struct link_encoder *enc,
173 const struct dc_link_settings *link_settings,
174 enum clock_source_id clock_source);
175 void (*enable_dp_mst_output)(struct link_encoder *enc,
176 const struct dc_link_settings *link_settings,
177 enum clock_source_id clock_source);
178 void (*enable_lvds_output)(struct link_encoder *enc,
179 enum clock_source_id clock_source,
180 uint32_t pixel_clock);
181 void (*disable_output)(struct link_encoder *link_enc,
182 enum signal_type signal);
183 void (*dp_set_lane_settings)(struct link_encoder *enc,
184 const struct dc_link_settings *link_settings,
185 const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]);
186 void (*dp_set_phy_pattern)(struct link_encoder *enc,
187 const struct encoder_set_dp_phy_pattern_param *para);
188 void (*update_mst_stream_allocation_table)(
189 struct link_encoder *enc,
190 const struct link_mst_stream_allocation_table *table);
191 void (*psr_program_dp_dphy_fast_training)(struct link_encoder *enc,
192 bool exit_link_training_required);
193 void (*psr_program_secondary_packet)(struct link_encoder *enc,
194 unsigned int sdp_transmit_line_num_deadline);
195 void (*connect_dig_be_to_fe)(struct link_encoder *enc,
196 enum engine_id engine,
198 void (*enable_hpd)(struct link_encoder *enc);
199 void (*disable_hpd)(struct link_encoder *enc);
200 bool (*is_dig_enabled)(struct link_encoder *enc);
201 unsigned int (*get_dig_frontend)(struct link_encoder *enc);
202 void (*destroy)(struct link_encoder **enc);
204 void (*fec_set_enable)(struct link_encoder *enc,
207 void (*fec_set_ready)(struct link_encoder *enc,
210 bool (*fec_is_active)(struct link_encoder *enc);
211 bool (*is_in_alt_mode) (struct link_encoder *enc);
213 void (*get_max_link_cap)(struct link_encoder *enc,
214 struct dc_link_settings *link_settings);
216 enum signal_type (*get_dig_mode)(
217 struct link_encoder *enc);
218 void (*set_dio_phy_mux)(
219 struct link_encoder *enc,
220 enum encoder_type_select sel,
222 void (*set_dig_output_mode)(
223 struct link_encoder *enc, uint8_t pix_per_container);
227 * Used to track assignments of links (display endpoints) to link encoders.
229 * Entry in link_enc_assignments table in struct resource_context.
230 * Entries only marked valid once encoder assigned to a link and invalidated once unassigned.
231 * Uses engine ID as identifier since PHY ID not relevant for USB4 DPIA endpoint.
233 struct link_enc_assignment {
235 struct display_endpoint_id ep_id;
236 enum engine_id eng_id;
237 struct dc_stream_state *stream;
240 enum link_enc_cfg_mode {
241 LINK_ENC_CFG_STEADY, /* Normal operation - use current_state. */
242 LINK_ENC_CFG_TRANSIENT /* During commit state - use state to be committed. */
246 DP2_LINK_TRAINING_TPS1,
247 DP2_LINK_TRAINING_TPS2,
252 enum dp2_phy_tp_select {
253 DP_DPHY_TP_SELECT_TPS1,
254 DP_DPHY_TP_SELECT_TPS2,
255 DP_DPHY_TP_SELECT_PRBS,
256 DP_DPHY_TP_SELECT_CUSTOM,
257 DP_DPHY_TP_SELECT_SQUARE
260 enum dp2_phy_tp_prbs {
269 struct hpo_dp_link_enc_state {
270 uint32_t link_enc_enabled;
273 uint32_t slot_count[4];
274 uint32_t stream_src[4];
275 uint32_t vc_rate_x[4];
276 uint32_t vc_rate_y[4];
279 struct hpo_dp_link_encoder {
280 const struct hpo_dp_link_encoder_funcs *funcs;
281 struct dc_context *ctx;
283 enum engine_id preferred_engine;
284 enum transmitter transmitter;
285 enum hpd_source_id hpd_source;
288 struct hpo_dp_link_encoder_funcs {
290 void (*enable_link_phy)(struct hpo_dp_link_encoder *enc,
291 const struct dc_link_settings *link_settings,
292 enum transmitter transmitter,
293 enum hpd_source_id hpd_source);
295 void (*disable_link_phy)(struct hpo_dp_link_encoder *link_enc,
296 enum signal_type signal);
299 struct hpo_dp_link_encoder *enc,
300 enum dc_lane_count num_lanes);
302 void (*link_disable)(
303 struct hpo_dp_link_encoder *enc);
305 void (*set_link_test_pattern)(
306 struct hpo_dp_link_encoder *enc,
307 struct encoder_set_dp_phy_pattern_param *tp_params);
309 void (*update_stream_allocation_table)(
310 struct hpo_dp_link_encoder *enc,
311 const struct link_mst_stream_allocation_table *table);
313 void (*set_throttled_vcp_size)(
314 struct hpo_dp_link_encoder *enc,
315 uint32_t stream_encoder_inst,
316 struct fixed31_32 avg_time_slots_per_mtp);
318 bool (*is_in_alt_mode) (
319 struct hpo_dp_link_encoder *enc);
322 struct hpo_dp_link_encoder *enc,
323 struct hpo_dp_link_enc_state *state);
326 struct hpo_dp_link_encoder *enc,
327 const struct dc_link_settings *link_settings,
331 #endif /* LINK_ENCODER_H_ */