xref: /linux/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h (revision 6dfafbd0299a60bfb5d5e277fdf100037c7ded07)
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 	SRI(AUX_DPHY_RX_CONTROL1, DP_AUX, id)
43 
44 #define HPD_REG_LIST(id)\
45 	SRI(DC_HPD_CONTROL, HPD, id)
46 
47 #define LE_COMMON_REG_LIST_BASE(id) \
48 	SR(DMCU_RAM_ACCESS_CTRL), \
49 	SR(DMCU_IRAM_RD_CTRL), \
50 	SR(DMCU_IRAM_RD_DATA), \
51 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
52 	SRI(DIG_BE_CNTL, DIG, id), \
53 	SRI(DIG_BE_EN_CNTL, DIG, id), \
54 	SRI(DP_CONFIG, DP, id), \
55 	SRI(DP_DPHY_CNTL, DP, id), \
56 	SRI(DP_DPHY_PRBS_CNTL, DP, id), \
57 	SRI(DP_DPHY_SCRAM_CNTL, DP, id),\
58 	SRI(DP_DPHY_SYM0, DP, id), \
59 	SRI(DP_DPHY_SYM1, DP, id), \
60 	SRI(DP_DPHY_SYM2, DP, id), \
61 	SRI(DP_DPHY_TRAINING_PATTERN_SEL, DP, id), \
62 	SRI(DP_LINK_CNTL, DP, id), \
63 	SRI(DP_LINK_FRAMING_CNTL, DP, id), \
64 	SRI(DP_MSE_SAT0, DP, id), \
65 	SRI(DP_MSE_SAT1, DP, id), \
66 	SRI(DP_MSE_SAT2, DP, id), \
67 	SRI(DP_MSE_SAT_UPDATE, DP, id), \
68 	SRI(DP_SEC_CNTL, DP, id), \
69 	SRI(DP_VID_STREAM_CNTL, DP, id), \
70 	SRI(DP_DPHY_FAST_TRAINING, DP, id), \
71 	SRI(DP_SEC_CNTL1, DP, id)
72 
73 #define LE_COMMON_REG_LIST(id)\
74 	LE_COMMON_REG_LIST_BASE(id), \
75 	SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
76 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
77 	SR(DCI_MEM_PWR_STATUS)
78 
79 #if defined(CONFIG_DRM_AMD_DC_SI)
80 #define LE_DCE60_REG_LIST(id)\
81 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
82 	SR(DMCU_RAM_ACCESS_CTRL), \
83 	SR(DMCU_IRAM_RD_CTRL), \
84 	SR(DMCU_IRAM_RD_DATA), \
85 	SR(DMCU_INTERRUPT_TO_UC_EN_MASK), \
86 	SRI(DIG_BE_CNTL, DIG, id), \
87 	SRI(DIG_BE_EN_CNTL, DIG, id), \
88 	SRI(DP_CONFIG, DP, id), \
89 	SRI(DP_DPHY_CNTL, DP, id), \
90 	SRI(DP_DPHY_PRBS_CNTL, DP, id), \
91 	SRI(DP_DPHY_SYM0, DP, id), \
92 	SRI(DP_DPHY_SYM1, DP, id), \
93 	SRI(DP_DPHY_SYM2, DP, id), \
94 	SRI(DP_DPHY_TRAINING_PATTERN_SEL, DP, id), \
95 	SRI(DP_LINK_CNTL, DP, id), \
96 	SRI(DP_LINK_FRAMING_CNTL, DP, id), \
97 	SRI(DP_MSE_SAT0, DP, id), \
98 	SRI(DP_MSE_SAT1, DP, id), \
99 	SRI(DP_MSE_SAT2, DP, id), \
100 	SRI(DP_MSE_SAT_UPDATE, DP, id), \
101 	SRI(DP_SEC_CNTL, DP, id), \
102 	SRI(DP_VID_STREAM_CNTL, DP, id), \
103 	SRI(DP_DPHY_FAST_TRAINING, DP, id), \
104 	SRI(DP_SEC_CNTL1, DP, id), \
105 	SR(DAC_ENABLE)
106 #endif
107 
108 #define LE_DCE80_REG_LIST(id)\
109 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
110 	LE_COMMON_REG_LIST_BASE(id), \
111 	SR(DAC_ENABLE)
112 
113 #define LE_DCE100_REG_LIST(id)\
114 	LE_COMMON_REG_LIST_BASE(id), \
115 	SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
116 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
117 	SR(DCI_MEM_PWR_STATUS), \
118 	SR(DAC_ENABLE)
119 
120 #define LE_DCE110_REG_LIST(id)\
121 	LE_COMMON_REG_LIST_BASE(id), \
122 	SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
123 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
124 	SRI(DP_DPHY_HBR2_PATTERN_CONTROL, DP, id), \
125 	SR(DCI_MEM_PWR_STATUS)
126 
127 #define LE_DCE120_REG_LIST(id)\
128 	LE_COMMON_REG_LIST_BASE(id), \
129 	SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
130 	SRI(DP_DPHY_HBR2_PATTERN_CONTROL, DP, id), \
131 	SR(DCI_MEM_PWR_STATUS)
132 
133 #define LE_DCN10_REG_LIST(id)\
134 	LE_COMMON_REG_LIST_BASE(id), \
135 	SRI(DP_DPHY_BS_SR_SWAP_CNTL, DP, id), \
136 	SRI(DP_DPHY_INTERNAL_CTRL, DP, id), \
137 	SRI(DP_DPHY_HBR2_PATTERN_CONTROL, DP, id)
138 
139 struct dce110_link_enc_aux_registers {
140 	uint32_t AUX_CONTROL;
141 	uint32_t AUX_DPHY_RX_CONTROL0;
142 	uint32_t AUX_DPHY_RX_CONTROL1;
143 };
144 
145 struct dce110_link_enc_hpd_registers {
146 	uint32_t DC_HPD_CONTROL;
147 };
148 
149 struct dce110_link_enc_registers {
150 	/* DMCU registers */
151 	uint32_t MASTER_COMM_DATA_REG1;
152 	uint32_t MASTER_COMM_DATA_REG2;
153 	uint32_t MASTER_COMM_DATA_REG3;
154 	uint32_t MASTER_COMM_CMD_REG;
155 	uint32_t MASTER_COMM_CNTL_REG;
156 	uint32_t DMCU_RAM_ACCESS_CTRL;
157 	uint32_t DCI_MEM_PWR_STATUS;
158 	uint32_t DMU_MEM_PWR_CNTL;
159 	uint32_t DMCU_IRAM_RD_CTRL;
160 	uint32_t DMCU_IRAM_RD_DATA;
161 	uint32_t DMCU_INTERRUPT_TO_UC_EN_MASK;
162 
163 	/* Common DP registers */
164 	uint32_t DIG_BE_CNTL;
165 	uint32_t DIG_BE_EN_CNTL;
166 	uint32_t DP_CONFIG;
167 	uint32_t DP_DPHY_CNTL;
168 	uint32_t DP_DPHY_INTERNAL_CTRL;
169 	uint32_t DP_DPHY_PRBS_CNTL;
170 	uint32_t DP_DPHY_SCRAM_CNTL;
171 	uint32_t DP_DPHY_SYM0;
172 	uint32_t DP_DPHY_SYM1;
173 	uint32_t DP_DPHY_SYM2;
174 	uint32_t DP_DPHY_TRAINING_PATTERN_SEL;
175 	uint32_t DP_LINK_CNTL;
176 	uint32_t DP_LINK_FRAMING_CNTL;
177 	uint32_t DP_MSE_SAT0;
178 	uint32_t DP_MSE_SAT1;
179 	uint32_t DP_MSE_SAT2;
180 	uint32_t DP_MSE_SAT_UPDATE;
181 	uint32_t DP_SEC_CNTL;
182 	uint32_t DP_VID_STREAM_CNTL;
183 	uint32_t DP_DPHY_FAST_TRAINING;
184 	uint32_t DP_DPHY_BS_SR_SWAP_CNTL;
185 	uint32_t DP_DPHY_HBR2_PATTERN_CONTROL;
186 	uint32_t DP_SEC_CNTL1;
187 
188 	/* DAC registers */
189 	uint32_t DAC_ENABLE;
190 };
191 
192 struct dce110_link_encoder {
193 	struct link_encoder base;
194 	const struct dce110_link_enc_registers *link_regs;
195 	const struct dce110_link_enc_aux_registers *aux_regs;
196 	const struct dce110_link_enc_hpd_registers *hpd_regs;
197 };
198 
199 
200 void dce110_link_encoder_construct(
201 	struct dce110_link_encoder *enc110,
202 	const struct encoder_init_data *init_data,
203 	const struct encoder_feature_support *enc_features,
204 	const struct dce110_link_enc_registers *link_regs,
205 	const struct dce110_link_enc_aux_registers *aux_regs,
206 	const struct dce110_link_enc_hpd_registers *hpd_regs);
207 
208 #if defined(CONFIG_DRM_AMD_DC_SI)
209 void dce60_link_encoder_construct(
210 	struct dce110_link_encoder *enc110,
211 	const struct encoder_init_data *init_data,
212 	const struct encoder_feature_support *enc_features,
213 	const struct dce110_link_enc_registers *link_regs,
214 	const struct dce110_link_enc_aux_registers *aux_regs,
215 	const struct dce110_link_enc_hpd_registers *hpd_regs);
216 #endif
217 
218 bool dce110_link_encoder_validate_dvi_output(
219 	const struct dce110_link_encoder *enc110,
220 	enum signal_type connector_signal,
221 	enum signal_type signal,
222 	const struct dc_crtc_timing *crtc_timing);
223 
224 bool dce110_link_encoder_validate_dp_output(
225 	const struct dce110_link_encoder *enc110,
226 	const struct dc_crtc_timing *crtc_timing);
227 
228 bool dce110_link_encoder_validate_wireless_output(
229 	const struct dce110_link_encoder *enc110,
230 	const struct dc_crtc_timing *crtc_timing);
231 
232 bool dce110_link_encoder_validate_output_with_stream(
233 	struct link_encoder *enc,
234 	const struct dc_stream_state *stream);
235 
236 /****************** HW programming ************************/
237 
238 /* initialize HW */  /* why do we initialze aux in here? */
239 void dce110_link_encoder_hw_init(struct link_encoder *enc);
240 
241 void dce110_link_encoder_destroy(struct link_encoder **enc);
242 
243 /* program DIG_MODE in DIG_BE */
244 /* TODO can this be combined with enable_output? */
245 void dce110_link_encoder_setup(
246 	struct link_encoder *enc,
247 	enum signal_type signal);
248 
249 /* enables TMDS PHY output */
250 /* TODO: still need depth or just pass in adjusted pixel clock? */
251 void dce110_link_encoder_enable_tmds_output(
252 	struct link_encoder *enc,
253 	enum clock_source_id clock_source,
254 	enum dc_color_depth color_depth,
255 	enum signal_type signal,
256 	uint32_t pixel_clock);
257 
258 /* enables DP PHY output */
259 void dce110_link_encoder_enable_dp_output(
260 	struct link_encoder *enc,
261 	const struct dc_link_settings *link_settings,
262 	enum clock_source_id clock_source);
263 
264 /* enables DP PHY output in MST mode */
265 void dce110_link_encoder_enable_dp_mst_output(
266 	struct link_encoder *enc,
267 	const struct dc_link_settings *link_settings,
268 	enum clock_source_id clock_source);
269 
270 /* enables LVDS PHY output */
271 void dce110_link_encoder_enable_lvds_output(
272 	struct link_encoder *enc,
273 	enum clock_source_id clock_source,
274 	uint32_t pixel_clock);
275 
276 /* disable PHY output */
277 void dce110_link_encoder_disable_output(
278 	struct link_encoder *enc,
279 	enum signal_type signal);
280 
281 /* set DP lane settings */
282 void dce110_link_encoder_dp_set_lane_settings(
283 	struct link_encoder *enc,
284 	const struct dc_link_settings *link_settings,
285 	const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]);
286 
287 void dce110_link_encoder_dp_set_phy_pattern(
288 	struct link_encoder *enc,
289 	const struct encoder_set_dp_phy_pattern_param *param);
290 
291 /* programs DP MST VC payload allocation */
292 void dce110_link_encoder_update_mst_stream_allocation_table(
293 	struct link_encoder *enc,
294 	const struct link_mst_stream_allocation_table *table);
295 
296 void dce110_link_encoder_connect_dig_be_to_fe(
297 	struct link_encoder *enc,
298 	enum engine_id engine,
299 	bool connect);
300 
301 unsigned int dce110_get_dig_frontend(struct link_encoder *enc);
302 
303 void dce110_link_encoder_set_dp_phy_pattern_training_pattern(
304 	struct link_encoder *enc,
305 	uint32_t index);
306 
307 void dce110_link_encoder_enable_hpd(struct link_encoder *enc);
308 
309 void dce110_link_encoder_disable_hpd(struct link_encoder *enc);
310 
311 void dce110_psr_program_dp_dphy_fast_training(struct link_encoder *enc,
312 			bool exit_link_training_required);
313 
314 void dce110_psr_program_secondary_packet(struct link_encoder *enc,
315 			unsigned int sdp_transmit_line_num_deadline);
316 
317 bool dce110_is_dig_enabled(struct link_encoder *enc);
318 
319 void dce110_link_encoder_get_max_link_cap(struct link_encoder *enc,
320 	struct dc_link_settings *link_settings);
321 
322 #endif /* __DC_LINK_ENCODER__DCE110_H__ */
323