2 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3 * Author: Chris Zhong <zyw@rock-chips.com>
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
18 #include <linux/wakelock.h>
19 #include <linux/mutex.h>
20 #include <linux/bitops.h>
22 #include <drm/drm_crtc_helper.h>
23 #include <drm/drm_dp_helper.h>
24 #include <drm/drm_panel.h>
28 #define ADDR_IMEM 0x10000
29 #define ADDR_DMEM 0x20000
33 #define XT_INT_CTRL 0x04
34 #define MAILBOX_FULL_ADDR 0x08
35 #define MAILBOX_EMPTY_ADDR 0x0c
36 #define MAILBOX0_WR_DATA 0x10
37 #define MAILBOX0_RD_DATA 0x14
38 #define KEEP_ALIVE 0x18
41 #define VER_LIB_L_ADDR 0x24
42 #define VER_LIB_H_ADDR 0x28
43 #define SW_DEBUG_L 0x2c
44 #define SW_DEBUG_H 0x30
45 #define MAILBOX_INT_MASK 0x34
46 #define MAILBOX_INT_STATUS 0x38
49 #define SW_EVENTS0 0x44
50 #define SW_EVENTS1 0x48
51 #define SW_EVENTS2 0x4c
52 #define SW_EVENTS3 0x50
53 #define XT_OCD_CTRL 0x60
54 #define APB_INT_MASK 0x6c
55 #define APB_STATUS_MASK 0x70
57 /* audio decoder addr */
58 #define AUDIO_SRC_CNTL 0x30000
59 #define AUDIO_SRC_CNFG 0x30004
60 #define COM_CH_STTS_BITS 0x30008
61 #define STTS_BIT_CH(x) (0x3000c + ((x) << 2))
62 #define SPDIF_CTRL_ADDR 0x3004c
63 #define SPDIF_CH1_CS_3100_ADDR 0x30050
64 #define SPDIF_CH1_CS_6332_ADDR 0x30054
65 #define SPDIF_CH1_CS_9564_ADDR 0x30058
66 #define SPDIF_CH1_CS_12796_ADDR 0x3005c
67 #define SPDIF_CH1_CS_159128_ADDR 0x30060
68 #define SPDIF_CH1_CS_191160_ADDR 0x30064
69 #define SPDIF_CH2_CS_3100_ADDR 0x30068
70 #define SPDIF_CH2_CS_6332_ADDR 0x3006c
71 #define SPDIF_CH2_CS_9564_ADDR 0x30070
72 #define SPDIF_CH2_CS_12796_ADDR 0x30074
73 #define SPDIF_CH2_CS_159128_ADDR 0x30078
74 #define SPDIF_CH2_CS_191160_ADDR 0x3007c
75 #define SMPL2PKT_CNTL 0x30080
76 #define SMPL2PKT_CNFG 0x30084
77 #define FIFO_CNTL 0x30088
78 #define FIFO_STTS 0x3008c
81 #define SOURCE_PIF_WR_ADDR 0x30800
82 #define SOURCE_PIF_WR_REQ 0x30804
83 #define SOURCE_PIF_RD_ADDR 0x30808
84 #define SOURCE_PIF_RD_REQ 0x3080c
85 #define SOURCE_PIF_DATA_WR 0x30810
86 #define SOURCE_PIF_DATA_RD 0x30814
87 #define SOURCE_PIF_FIFO1_FLUSH 0x30818
88 #define SOURCE_PIF_FIFO2_FLUSH 0x3081c
89 #define SOURCE_PIF_STATUS 0x30820
90 #define SOURCE_PIF_INTERRUPT_SOURCE 0x30824
91 #define SOURCE_PIF_INTERRUPT_MASK 0x30828
92 #define SOURCE_PIF_PKT_ALLOC_REG 0x3082c
93 #define SOURCE_PIF_PKT_ALLOC_WR_EN 0x30830
94 #define SOURCE_PIF_SW_RESET 0x30834
96 /* bellow registers need access by mailbox */
98 #define SOURCE_HDTX_CAR 0x0900
99 #define SOURCE_DPTX_CAR 0x0904
100 #define SOURCE_PHY_CAR 0x0908
101 #define SOURCE_CEC_CAR 0x090c
102 #define SOURCE_CBUS_CAR 0x0910
103 #define SOURCE_PKT_CAR 0x0918
104 #define SOURCE_AIF_CAR 0x091c
105 #define SOURCE_CIPHER_CAR 0x0920
106 #define SOURCE_CRYPTO_CAR 0x0924
108 /* clock meters addr */
109 #define CM_CTRL 0x0a00
110 #define CM_I2S_CTRL 0x0a04
111 #define CM_SPDIF_CTRL 0x0a08
112 #define CM_VID_CTRL 0x0a0c
113 #define CM_LANE_CTRL 0x0a10
114 #define I2S_NM_STABLE 0x0a14
115 #define I2S_NCTS_STABLE 0x0a18
116 #define SPDIF_NM_STABLE 0x0a1c
117 #define SPDIF_NCTS_STABLE 0x0a20
118 #define NMVID_MEAS_STABLE 0x0a24
119 #define I2S_MEAS 0x0a40
120 #define SPDIF_MEAS 0x0a80
121 #define NMVID_MEAS 0x0ac0
123 /* source vif addr */
124 #define BND_HSYNC2VSYNC 0x0b00
125 #define HSYNC2VSYNC_F1_L1 0x0b04
126 #define HSYNC2VSYNC_F2_L1 0x0b08
127 #define HSYNC2VSYNC_STATUS 0x0b0c
128 #define HSYNC2VSYNC_POL_CTRL 0x0b10
131 #define DP_TX_PHY_CONFIG_REG 0x2000
132 #define DP_TX_PHY_STATUS_REG 0x2004
133 #define DP_TX_PHY_SW_RESET 0x2008
134 #define DP_TX_PHY_SCRAMBLER_SEED 0x200c
135 #define DP_TX_PHY_TRAINING_01_04 0x2010
136 #define DP_TX_PHY_TRAINING_05_08 0x2014
137 #define DP_TX_PHY_TRAINING_09_10 0x2018
138 #define TEST_COR 0x23fc
141 #define HPD_IRQ_DET_MIN_TIMER 0x2100
142 #define HPD_IRQ_DET_MAX_TIMER 0x2104
143 #define HPD_UNPLGED_DET_MIN_TIMER 0x2108
144 #define HPD_STABLE_TIMER 0x210c
145 #define HPD_FILTER_TIMER 0x2110
146 #define HPD_EVENT_MASK 0x211c
147 #define HPD_EVENT_DET 0x2120
149 /* dpyx framer addr */
150 #define DP_FRAMER_GLOBAL_CONFIG 0x2200
151 #define DP_SW_RESET 0x2204
152 #define DP_FRAMER_TU 0x2208
153 #define DP_FRAMER_PXL_REPR 0x220c
154 #define DP_FRAMER_SP 0x2210
155 #define AUDIO_PACK_CONTROL 0x2214
156 #define DP_VC_TABLE(x) (0x2218 + ((x) << 2))
157 #define DP_VB_ID 0x2258
158 #define DP_MTPH_LVP_CONTROL 0x225c
159 #define DP_MTPH_SYMBOL_VALUES 0x2260
160 #define DP_MTPH_ECF_CONTROL 0x2264
161 #define DP_MTPH_ACT_CONTROL 0x2268
162 #define DP_MTPH_STATUS 0x226c
163 #define DP_INTERRUPT_SOURCE 0x2270
164 #define DP_INTERRUPT_MASK 0x2274
165 #define DP_FRONT_BACK_PORCH 0x2278
166 #define DP_BYTE_COUNT 0x227c
168 /* dptx stream addr */
169 #define MSA_HORIZONTAL_0 0x2280
170 #define MSA_HORIZONTAL_1 0x2284
171 #define MSA_VERTICAL_0 0x2288
172 #define MSA_VERTICAL_1 0x228c
173 #define MSA_MISC 0x2290
174 #define STREAM_CONFIG 0x2294
175 #define AUDIO_PACK_STATUS 0x2298
176 #define VIF_STATUS 0x229c
177 #define PCK_STUFF_STATUS_0 0x22a0
178 #define PCK_STUFF_STATUS_1 0x22a4
179 #define INFO_PACK_STATUS 0x22a8
180 #define RATE_GOVERNOR_STATUS 0x22ac
181 #define DP_HORIZONTAL 0x22b0
182 #define DP_VERTICAL_0 0x22b4
183 #define DP_VERTICAL_1 0x22b8
184 #define DP_BLOCK_SDP 0x22bc
187 #define DPTX_LANE_EN 0x2300
188 #define DPTX_ENHNCD 0x2304
189 #define DPTX_INT_MASK 0x2308
190 #define DPTX_INT_STATUS 0x230c
193 #define DP_AUX_HOST_CONTROL 0x2800
194 #define DP_AUX_INTERRUPT_SOURCE 0x2804
195 #define DP_AUX_INTERRUPT_MASK 0x2808
196 #define DP_AUX_SWAP_INVERSION_CONTROL 0x280c
197 #define DP_AUX_SEND_NACK_TRANSACTION 0x2810
198 #define DP_AUX_CLEAR_RX 0x2814
199 #define DP_AUX_CLEAR_TX 0x2818
200 #define DP_AUX_TIMER_STOP 0x281c
201 #define DP_AUX_TIMER_CLEAR 0x2820
202 #define DP_AUX_RESET_SW 0x2824
203 #define DP_AUX_DIVIDE_2M 0x2828
204 #define DP_AUX_TX_PREACHARGE_LENGTH 0x282c
205 #define DP_AUX_FREQUENCY_1M_MAX 0x2830
206 #define DP_AUX_FREQUENCY_1M_MIN 0x2834
207 #define DP_AUX_RX_PRE_MIN 0x2838
208 #define DP_AUX_RX_PRE_MAX 0x283c
209 #define DP_AUX_TIMER_PRESET 0x2840
210 #define DP_AUX_NACK_FORMAT 0x2844
211 #define DP_AUX_TX_DATA 0x2848
212 #define DP_AUX_RX_DATA 0x284c
213 #define DP_AUX_TX_STATUS 0x2850
214 #define DP_AUX_RX_STATUS 0x2854
215 #define DP_AUX_RX_CYCLE_COUNTER 0x2858
216 #define DP_AUX_MAIN_STATES 0x285c
217 #define DP_AUX_MAIN_TIMER 0x2860
218 #define DP_AUX_AFE_OUT 0x2864
221 #define CRYPTO_HDCP_REVISION 0x5800
222 #define HDCP_CRYPTO_CONFIG 0x5804
223 #define CRYPTO_INTERRUPT_SOURCE 0x5808
224 #define CRYPTO_INTERRUPT_MASK 0x580c
225 #define CRYPTO22_CONFIG 0x5818
226 #define CRYPTO22_STATUS 0x581c
227 #define SHA_256_DATA_IN 0x583c
228 #define SHA_256_DATA_OUT_(x) (0x5850 + ((x) << 2))
229 #define AES_32_KEY_(x) (0x5870 + ((x) << 2))
230 #define AES_32_DATA_IN 0x5880
231 #define AES_32_DATA_OUT_(x) (0x5884 + ((x) << 2))
232 #define CRYPTO14_CONFIG 0x58a0
233 #define CRYPTO14_STATUS 0x58a4
234 #define CRYPTO14_PRNM_OUT 0x58a8
235 #define CRYPTO14_KM_0 0x58ac
236 #define CRYPTO14_KM_1 0x58b0
237 #define CRYPTO14_AN_0 0x58b4
238 #define CRYPTO14_AN_1 0x58b8
239 #define CRYPTO14_YOUR_KSV_0 0x58bc
240 #define CRYPTO14_YOUR_KSV_1 0x58c0
241 #define CRYPTO14_MI_0 0x58c4
242 #define CRYPTO14_MI_1 0x58c8
243 #define CRYPTO14_TI_0 0x58cc
244 #define CRYPTO14_KI_0 0x58d0
245 #define CRYPTO14_KI_1 0x58d4
246 #define CRYPTO14_BLOCKS_NUM 0x58d8
247 #define CRYPTO14_KEY_MEM_DATA_0 0x58dc
248 #define CRYPTO14_KEY_MEM_DATA_1 0x58e0
249 #define CRYPTO14_SHA1_MSG_DATA 0x58e4
250 #define CRYPTO14_SHA1_V_VALUE_(x) (0x58e8 + ((x) << 2))
251 #define TRNG_CTRL 0x58fc
252 #define TRNG_DATA_RDY 0x5900
253 #define TRNG_DATA 0x5904
256 #define HDCP_REVISION 0x60000
257 #define INTERRUPT_SOURCE 0x60004
258 #define INTERRUPT_MASK 0x60008
259 #define HDCP_CIPHER_CONFIG 0x6000c
260 #define AES_128_KEY_0 0x60010
261 #define AES_128_KEY_1 0x60014
262 #define AES_128_KEY_2 0x60018
263 #define AES_128_KEY_3 0x6001c
264 #define AES_128_RANDOM_0 0x60020
265 #define AES_128_RANDOM_1 0x60024
266 #define CIPHER14_KM_0 0x60028
267 #define CIPHER14_KM_1 0x6002c
268 #define CIPHER14_STATUS 0x60030
269 #define CIPHER14_RI_PJ_STATUS 0x60034
270 #define CIPHER_MODE 0x60038
271 #define CIPHER14_AN_0 0x6003c
272 #define CIPHER14_AN_1 0x60040
273 #define CIPHER22_AUTH 0x60044
274 #define CIPHER14_R0_DP_STATUS 0x60048
275 #define CIPHER14_BOOTSTRAP 0x6004c
277 #define DPTX_FRMR_DATA_CLK_RSTN_EN BIT(11)
278 #define DPTX_FRMR_DATA_CLK_EN BIT(10)
279 #define DPTX_PHY_DATA_RSTN_EN BIT(9)
280 #define DPTX_PHY_DATA_CLK_EN BIT(8)
281 #define DPTX_PHY_CHAR_RSTN_EN BIT(7)
282 #define DPTX_PHY_CHAR_CLK_EN BIT(6)
283 #define SOURCE_AUX_SYS_CLK_RSTN_EN BIT(5)
284 #define SOURCE_AUX_SYS_CLK_EN BIT(4)
285 #define DPTX_SYS_CLK_RSTN_EN BIT(3)
286 #define DPTX_SYS_CLK_EN BIT(2)
287 #define CFG_DPTX_VIF_CLK_RSTN_EN BIT(1)
288 #define CFG_DPTX_VIF_CLK_EN BIT(0)
290 #define SOURCE_PHY_RSTN_EN BIT(1)
291 #define SOURCE_PHY_CLK_EN BIT(0)
293 #define SOURCE_PKT_SYS_RSTN_EN BIT(3)
294 #define SOURCE_PKT_SYS_CLK_EN BIT(2)
295 #define SOURCE_PKT_DATA_RSTN_EN BIT(1)
296 #define SOURCE_PKT_DATA_CLK_EN BIT(0)
298 #define SPDIF_CDR_CLK_RSTN_EN BIT(5)
299 #define SPDIF_CDR_CLK_EN BIT(4)
300 #define SOURCE_AIF_SYS_RSTN_EN BIT(3)
301 #define SOURCE_AIF_SYS_CLK_EN BIT(2)
302 #define SOURCE_AIF_CLK_RSTN_EN BIT(1)
303 #define SOURCE_AIF_CLK_EN BIT(0)
305 #define SOURCE_CIPHER_SYSTEM_CLK_RSTN_EN BIT(3)
306 #define SOURCE_CIPHER_SYS_CLK_EN BIT(2)
307 #define SOURCE_CIPHER_CHAR_CLK_RSTN_EN BIT(1)
308 #define SOURCE_CIPHER_CHAR_CLK_EN BIT(0)
310 #define SOURCE_CRYPTO_SYS_CLK_RSTN_EN BIT(1)
311 #define SOURCE_CRYPTO_SYS_CLK_EN BIT(0)
313 #define APB_IRAM_PATH BIT(2)
314 #define APB_DRAM_PATH BIT(1)
315 #define APB_XT_RESET BIT(0)
317 #define MAILBOX_INT_MASK_BIT BIT(1)
318 #define PIF_INT_MASK_BIT BIT(0)
319 #define ALL_INT_MASK 3
322 #define MB_OPCODE_ID 0
323 #define MB_MODULE_ID 1
324 #define MB_SIZE_MSB_ID 2
325 #define MB_SIZE_LSB_ID 3
328 #define MB_MODULE_ID_DP_TX 0x01
329 #define MB_MODULE_ID_HDCP_TX 0x07
330 #define MB_MODULE_ID_HDCP_RX 0x08
331 #define MB_MODULE_ID_HDCP_GENERAL 0x09
332 #define MB_MODULE_ID_GENERAL 0x0a
335 #define GENERAL_MAIN_CONTROL 0x01
336 #define GENERAL_TEST_ECHO 0x02
337 #define GENERAL_BUS_SETTINGS 0x03
338 #define GENERAL_TEST_ACCESS 0x04
340 #define DPTX_SET_POWER_MNG 0x00
341 #define DPTX_SET_HOST_CAPABILITIES 0x01
342 #define DPTX_GET_EDID 0x02
343 #define DPTX_READ_DPCD 0x03
344 #define DPTX_WRITE_DPCD 0x04
345 #define DPTX_ENABLE_EVENT 0x05
346 #define DPTX_WRITE_REGISTER 0x06
347 #define DPTX_READ_REGISTER 0x07
348 #define DPTX_WRITE_FIELD 0x08
349 #define DPTX_TRAINING_CONTROL 0x09
350 #define DPTX_READ_EVENT 0x0a
351 #define DPTX_READ_LINK_STAT 0x0b
352 #define DPTX_SET_VIDEO 0x0c
353 #define DPTX_SET_AUDIO 0x0d
354 #define DPTX_GET_LAST_AUX_STAUS 0x0e
355 #define DPTX_SET_LINK_BREAK_POINT 0x0f
356 #define DPTX_FORCE_LANES 0x10
357 #define DPTX_HPD_STATE 0x11
362 #define DPTX_EVENT_ENABLE_HPD BIT(0)
363 #define DPTX_EVENT_ENABLE_TRAINING BIT(1)
365 #define LINK_TRAINING_NOT_ACTIVE 0
366 #define LINK_TRAINING_RUN 1
367 #define LINK_TRAINING_RESTART 2
369 #define CONTROL_VIDEO_IDLE 0
370 #define CONTROL_VIDEO_VALID 1
372 #define VIF_BYPASS_INTERLACE BIT(13)
373 #define INTERLACE_FMT_DET BIT(12)
374 #define INTERLACE_DTCT_WIN 0x20
376 #define DP_FRAMER_SP_INTERLACE_EN BIT(2)
377 #define DP_FRAMER_SP_HSP BIT(1)
378 #define DP_FRAMER_SP_VSP BIT(0)
381 #define AUX_HOST_INVERT 3
382 #define FAST_LT_SUPPORT 1
383 #define FAST_LT_NOT_SUPPORT 0
384 #define LANE_MAPPING_NORMAL 0x1b
385 #define LANE_MAPPING_FLIPPED 0xe4
388 #define FULL_LT_STARTED BIT(0)
389 #define FASE_LT_STARTED BIT(1)
390 #define CLK_RECOVERY_FINISHED BIT(2)
391 #define EQ_PHASE_FINISHED BIT(3)
392 #define FASE_LT_START_FINISHED BIT(4)
393 #define CLK_RECOVERY_FAILED BIT(5)
394 #define EQ_PHASE_FAILED BIT(6)
395 #define FASE_LT_FAILED BIT(7)
397 #define DPTX_HPD_EVENT BIT(0)
398 #define DPTX_TRAINING_EVENT BIT(1)
399 #define HDCP_TX_STATUS_EVENT BIT(4)
400 #define HDCP2_TX_IS_KM_STORED_EVENT BIT(5)
401 #define HDCP2_TX_STORE_KM_EVENT BIT(6)
402 #define HDCP_TX_IS_RECEIVER_ID_VALID_EVENT BIT(7)
405 #define CDN_DP_MAX_LINK_RATE DP_LINK_BW_5_4
408 #define AUDIO_PACK_EN BIT(8)
409 #define SAMPLING_FREQ(x) (((x) & 0xf) << 16)
410 #define ORIGINAL_SAMP_FREQ(x) (((x) & 0xf) << 24)
411 #define SYNC_WR_TO_CH_ZERO BIT(1)
412 #define I2S_DEC_START BIT(1)
413 #define AUDIO_SW_RST BIT(0)
414 #define SMPL2PKT_EN BIT(1)
415 #define MAX_NUM_CH(x) (((x) & 0x1f) - 1)
416 #define NUM_OF_I2S_PORTS(x) ((((x) / 2 - 1) & 0x3) << 5)
417 #define AUDIO_TYPE_LPCM (2 << 7)
418 #define CFG_SUB_PCKT_NUM(x) ((((x) - 1) & 0x7) << 11)
419 #define AUDIO_CH_NUM(x) ((((x) - 1) & 0x1f) << 2)
420 #define TRANS_SMPL_WIDTH_16 0
421 #define TRANS_SMPL_WIDTH_24 BIT(11)
422 #define TRANS_SMPL_WIDTH_32 (2 << 11)
423 #define I2S_DEC_PORT_EN(x) (((x) & 0xf) << 17)
424 #define SPDIF_ENABLE BIT(21)
425 #define SPDIF_AVG_SEL BIT(20)
426 #define SPDIF_JITTER_BYPASS BIT(19)
427 #define SPDIF_FIFO_MID_RANGE(x) (((x) & 0xff) << 11)
428 #define SPDIF_JITTER_THRSH(x) (((x) & 0xff) << 3)
429 #define SPDIF_JITTER_AVG_WIN(x) ((x) & 0x7)
431 /* Refernce cycles when using lane clock as refernce */
432 #define LANE_REF_CYC 0x8000
434 enum voltage_swing_level {
441 enum pre_emphasis_level {
442 PRE_EMPHASIS_LEVEL_0,
443 PRE_EMPHASIS_LEVEL_1,
444 PRE_EMPHASIS_LEVEL_2,
445 PRE_EMPHASIS_LEVEL_3,
456 enum vic_color_depth {
476 enum audio_format format;
482 enum vic_pxl_encoding_format {
491 bool h_sync_polarity;
492 bool v_sync_polarity;
495 enum vic_pxl_encoding_format color_fmt;
498 struct cdn_firmware_header {
499 u32 size_bytes; /* size of the entire header+image(s) in bytes */
500 u32 header_size; /* size of just the header in bytes */
501 u32 iram_size; /* size of iram */
502 u32 dram_size; /* size of dram */
506 struct cdn_dp_device *dp;
507 struct notifier_block event_nb;
508 struct delayed_work event_wq;
509 struct extcon_dev *extcon;
516 struct cdn_dp_device {
518 struct drm_device *drm_dev;
519 struct drm_connector connector;
520 struct drm_encoder encoder;
521 struct drm_display_mode mode;
522 struct platform_device *audio_pdev;
524 const struct firmware *fw; /* cdn dp firmware */
525 unsigned int fw_version; /* cdn fw version */
533 struct clk *core_clk;
535 struct clk *spdif_clk;
536 struct reset_control *spdif_rst;
537 struct reset_control *dptx_rst;
538 struct reset_control *apb_rst;
539 struct reset_control *core_rst;
540 struct audio_info audio_info;
541 struct video_info video_info;
542 struct drm_dp_link link;
543 struct cdn_dp_port *port[MAX_PHY];
546 u8 dpcd[DP_RECEIVER_CAP_SIZE];
547 enum drm_connector_status hpd_status;
553 struct wake_lock wake_lock;
556 void cdn_dp_fb_clock_reset(struct cdn_dp_device *dp);
558 void cdn_dp_fb_set_fw_clk(struct cdn_dp_device *dp, u32 clk);
559 int cdn_dp_fb_load_firmware(struct cdn_dp_device *dp, const u32 *i_mem,
560 u32 i_size, const u32 *d_mem, u32 d_size);
561 int cdn_dp_fb_set_firmware_active(struct cdn_dp_device *dp, bool enable);
562 int cdn_dp_fb_set_host_cap(struct cdn_dp_device *dp, u8 lanes, bool flip);
563 int cdn_dp_fb_event_config(struct cdn_dp_device *dp);
564 u32 cdn_dp_fb_get_event(struct cdn_dp_device *dp);
565 int cdn_dp_fb_get_hpd_status(struct cdn_dp_device *dp);
566 int cdn_dp_fb_dpcd_write(struct cdn_dp_device *dp, u32 addr, u8 value);
567 int cdn_dp_fb_dpcd_read(struct cdn_dp_device *dp, u32 addr, u8 *data, u16 len);
568 int cdn_dp_fb_get_edid_block(void *dp, u8 *edid,
569 unsigned int block, size_t length);
570 int cdn_dp_fb_training_start(struct cdn_dp_device *dp);
571 int cdn_dp_fb_get_training_status(struct cdn_dp_device *dp);
572 int cdn_dp_fb_set_video_status(struct cdn_dp_device *dp, int active);
573 int cdn_dp_fb_config_video(struct cdn_dp_device *dp);
574 int cdn_dp_fb_audio_stop(struct cdn_dp_device *dp, struct audio_info *audio);
575 int cdn_dp_fb_audio_mute(struct cdn_dp_device *dp, bool enable);
576 int cdn_dp_fb_audio_config(struct cdn_dp_device *dp, struct audio_info *audio);
577 #endif /* _CDN_DP_REG_H */