xref: /linux/drivers/gpu/drm/bridge/analogix/anx7625.h (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright(c) 2020, Analogix Semiconductor. All rights reserved.
4  *
5  */
6 
7 #ifndef __ANX7625_H__
8 #define __ANX7625_H__
9 
10 #define ANX7625_DRV_VERSION "0.1.04"
11 
12 /* Loading OCM re-trying times */
13 #define OCM_LOADING_TIME 10
14 
15 /*********  ANX7625 Register  **********/
16 #define TX_P0_ADDR				0x70
17 #define TX_P1_ADDR				0x7A
18 #define TX_P2_ADDR				0x72
19 
20 #define RX_P0_ADDR				0x7e
21 #define RX_P1_ADDR				0x84
22 #define RX_P2_ADDR				0x54
23 
24 #define RSVD_00_ADDR				0x00
25 #define RSVD_D1_ADDR				0xD1
26 #define RSVD_60_ADDR				0x60
27 #define RSVD_39_ADDR				0x39
28 #define RSVD_7F_ADDR				0x7F
29 
30 #define TCPC_INTERFACE_ADDR			0x58
31 
32 /* Clock frequency in Hz */
33 #define XTAL_FRQ        (27 * 1000000)
34 
35 #define  POST_DIVIDER_MIN	1
36 #define  POST_DIVIDER_MAX	16
37 #define  PLL_OUT_FREQ_MIN	520000000UL
38 #define  PLL_OUT_FREQ_MAX	730000000UL
39 #define  PLL_OUT_FREQ_ABS_MIN	300000000UL
40 #define  PLL_OUT_FREQ_ABS_MAX	800000000UL
41 #define  MAX_UNSIGNED_24BIT	16777215UL
42 
43 /***************************************************************/
44 /* Register definition of device address 0x58 */
45 
46 #define PRODUCT_ID_L 0x02
47 #define PRODUCT_ID_H 0x03
48 
49 #define INTR_ALERT_1  0xCC
50 #define INTR_SOFTWARE_INT BIT(3)
51 #define INTR_RECEIVED_MSG BIT(5)
52 
53 #define SYSTEM_STSTUS 0x45
54 #define INTERFACE_CHANGE_INT 0x44
55 #define HPD_STATUS_CHANGE 0x80
56 #define HPD_STATUS 0x80
57 
58 /******** END of I2C Address 0x58 ********/
59 
60 /***************************************************************/
61 /* Register definition of device address 0x70 */
62 #define  I2C_ADDR_70_DPTX              0x70
63 
64 #define SP_TX_LINK_BW_SET_REG 0xA0
65 #define SP_TX_LANE_COUNT_SET_REG 0xA1
66 
67 #define M_VID_0 0xC0
68 #define M_VID_1 0xC1
69 #define M_VID_2 0xC2
70 #define N_VID_0 0xC3
71 #define N_VID_1 0xC4
72 #define N_VID_2 0xC5
73 
74 /***************************************************************/
75 /* Register definition of device address 0x72 */
76 #define AUX_RST	0x04
77 #define RST_CTRL2 0x07
78 
79 #define SP_TX_TOTAL_LINE_STA_L 0x24
80 #define SP_TX_TOTAL_LINE_STA_H 0x25
81 #define SP_TX_ACT_LINE_STA_L 0x26
82 #define SP_TX_ACT_LINE_STA_H 0x27
83 #define SP_TX_V_F_PORCH_STA 0x28
84 #define SP_TX_V_SYNC_STA 0x29
85 #define SP_TX_V_B_PORCH_STA 0x2A
86 #define SP_TX_TOTAL_PIXEL_STA_L 0x2B
87 #define SP_TX_TOTAL_PIXEL_STA_H 0x2C
88 #define SP_TX_ACT_PIXEL_STA_L 0x2D
89 #define SP_TX_ACT_PIXEL_STA_H 0x2E
90 #define SP_TX_H_F_PORCH_STA_L 0x2F
91 #define SP_TX_H_F_PORCH_STA_H 0x30
92 #define SP_TX_H_SYNC_STA_L 0x31
93 #define SP_TX_H_SYNC_STA_H 0x32
94 #define SP_TX_H_B_PORCH_STA_L 0x33
95 #define SP_TX_H_B_PORCH_STA_H 0x34
96 
97 #define SP_TX_VID_CTRL 0x84
98 #define SP_TX_BPC_MASK 0xE0
99 #define SP_TX_BPC_6    0x00
100 #define SP_TX_BPC_8    0x20
101 #define SP_TX_BPC_10   0x40
102 #define SP_TX_BPC_12   0x60
103 
104 #define VIDEO_BIT_MATRIX_12 0x4c
105 
106 #define AUDIO_CHANNEL_STATUS_1 0xd0
107 #define AUDIO_CHANNEL_STATUS_2 0xd1
108 #define AUDIO_CHANNEL_STATUS_3 0xd2
109 #define AUDIO_CHANNEL_STATUS_4 0xd3
110 #define AUDIO_CHANNEL_STATUS_5 0xd4
111 #define AUDIO_CHANNEL_STATUS_6 0xd5
112 #define TDM_SLAVE_MODE 0x10
113 #define I2S_SLAVE_MODE 0x08
114 #define AUDIO_LAYOUT   0x01
115 
116 #define AUDIO_CONTROL_REGISTER 0xe6
117 #define TDM_TIMING_MODE 0x08
118 
119 #define I2C_ADDR_72_DPTX              0x72
120 
121 #define HP_MIN			8
122 #define HBLANKING_MIN		80
123 #define SYNC_LEN_DEF		32
124 #define HFP_HBP_DEF		((HBLANKING_MIN - SYNC_LEN_DEF) / 2)
125 #define VIDEO_CONTROL_0	0x08
126 
127 #define  ACTIVE_LINES_L         0x14
128 #define  ACTIVE_LINES_H         0x15  /* Bit[7:6] are reserved */
129 #define  VERTICAL_FRONT_PORCH   0x16
130 #define  VERTICAL_SYNC_WIDTH    0x17
131 #define  VERTICAL_BACK_PORCH    0x18
132 
133 #define  HORIZONTAL_TOTAL_PIXELS_L    0x19
134 #define  HORIZONTAL_TOTAL_PIXELS_H    0x1A  /* Bit[7:6] are reserved */
135 #define  HORIZONTAL_ACTIVE_PIXELS_L   0x1B
136 #define  HORIZONTAL_ACTIVE_PIXELS_H   0x1C  /* Bit[7:6] are reserved */
137 #define  HORIZONTAL_FRONT_PORCH_L     0x1D
138 #define  HORIZONTAL_FRONT_PORCH_H     0x1E  /* Bit[7:4] are reserved */
139 #define  HORIZONTAL_SYNC_WIDTH_L      0x1F
140 #define  HORIZONTAL_SYNC_WIDTH_H      0x20  /* Bit[7:4] are reserved */
141 #define  HORIZONTAL_BACK_PORCH_L      0x21
142 #define  HORIZONTAL_BACK_PORCH_H      0x22  /* Bit[7:4] are reserved */
143 
144 /******** END of I2C Address 0x72 *********/
145 
146 /***************************************************************/
147 /* Register definition of device address 0x7a */
148 #define DP_TX_SWING_REG_CNT		0x14
149 #define DP_TX_LANE0_SWING_REG0		0x00
150 #define DP_TX_LANE1_SWING_REG0		0x14
151 /******** END of I2C Address 0x7a *********/
152 
153 /***************************************************************/
154 /* Register definition of device address 0x7e */
155 
156 #define  I2C_ADDR_7E_FLASH_CONTROLLER  0x7E
157 
158 #define FLASH_LOAD_STA          0x05
159 #define FLASH_LOAD_STA_CHK	BIT(7)
160 
161 #define  XTAL_FRQ_SEL    0x3F
162 /* bit field positions */
163 #define  XTAL_FRQ_SEL_POS    5
164 /* bit field values */
165 #define  XTAL_FRQ_19M2   (0 << XTAL_FRQ_SEL_POS)
166 #define  XTAL_FRQ_27M    (4 << XTAL_FRQ_SEL_POS)
167 
168 #define  R_DSC_CTRL_0    0x40
169 #define  READ_STATUS_EN  7
170 #define  CLK_1MEG_RB     6  /* 1MHz clock reset; 0=reset, 0=reset release */
171 #define  DSC_BIST_DONE   1  /* Bit[5:1]: 1=DSC MBIST pass */
172 #define  DSC_EN          0x01  /* 1=DSC enabled, 0=DSC disabled */
173 
174 #define OCM_FW_VERSION   0x31
175 #define OCM_FW_REVERSION 0x32
176 
177 #define AP_AUX_ADDR_7_0   0x11
178 #define AP_AUX_ADDR_15_8  0x12
179 #define AP_AUX_ADDR_19_16 0x13
180 
181 /* Bit[0:3] AUX status, bit 4 op_en, bit 5 address only */
182 #define AP_AUX_CTRL_STATUS 0x14
183 #define AP_AUX_CTRL_OP_EN 0x10
184 #define AP_AUX_CTRL_ADDRONLY 0x20
185 
186 #define AP_AUX_BUFF_START 0x15
187 #define PIXEL_CLOCK_L 0x25
188 #define PIXEL_CLOCK_H 0x26
189 
190 #define AP_AUX_COMMAND 0x27  /* com+len */
191 /* Bit 0&1: 3D video structure */
192 /* 0x01: frame packing,  0x02:Line alternative, 0x03:Side-by-side(full) */
193 #define AP_AV_STATUS 0x28
194 #define AP_VIDEO_CHG  BIT(2)
195 #define AP_AUDIO_CHG  BIT(3)
196 #define AP_MIPI_MUTE  BIT(4) /* 1:MIPI input mute, 0: ummute */
197 #define AP_MIPI_RX_EN BIT(5) /* 1: MIPI RX input in  0: no RX in */
198 #define AP_DISABLE_PD BIT(6)
199 #define AP_DISABLE_DISPLAY BIT(7)
200 /***************************************************************/
201 /* Register definition of device address 0x84 */
202 #define  MIPI_PHY_CONTROL_3            0x03
203 #define  MIPI_HS_PWD_CLK               7
204 #define  MIPI_HS_RT_CLK                6
205 #define  MIPI_PD_CLK                   5
206 #define  MIPI_CLK_RT_MANUAL_PD_EN      4
207 #define  MIPI_CLK_HS_MANUAL_PD_EN      3
208 #define  MIPI_CLK_DET_DET_BYPASS       2
209 #define  MIPI_CLK_MISS_CTRL            1
210 #define  MIPI_PD_LPTX_CH_MANUAL_PD_EN  0
211 
212 #define  MIPI_LANE_CTRL_0		0x05
213 #define  MIPI_TIME_HS_PRPR		0x08
214 
215 /*
216  * After MIPI RX protocol layer received video frames,
217  * Protocol layer starts to reconstruct video stream from PHY
218  */
219 #define  MIPI_VIDEO_STABLE_CNT           0x0A
220 
221 #define  MIPI_LANE_CTRL_10               0x0F
222 #define  MIPI_DIGITAL_ADJ_1     0x1B
223 #define  IVO_MID0               0x26
224 #define  IVO_MID1               0xCF
225 
226 #define  MIPI_PLL_M_NUM_23_16   0x1E
227 #define  MIPI_PLL_M_NUM_15_8    0x1F
228 #define  MIPI_PLL_M_NUM_7_0     0x20
229 #define  MIPI_PLL_N_NUM_23_16   0x21
230 #define  MIPI_PLL_N_NUM_15_8    0x22
231 #define  MIPI_PLL_N_NUM_7_0     0x23
232 
233 #define  MIPI_DIGITAL_PLL_6     0x2A
234 /* Bit[7:6]: VCO band control, only effective */
235 #define  MIPI_M_NUM_READY        0x10
236 #define  MIPI_N_NUM_READY        0x08
237 #define  STABLE_INTEGER_CNT_EN   0x04
238 #define  MIPI_PLL_TEST_BIT       0
239 /* Bit[1:0]: test point output select - */
240 /* 00: VCO power, 01: dvdd_pdt, 10: dvdd, 11: vcox */
241 
242 #define  MIPI_DIGITAL_PLL_7      0x2B
243 #define  MIPI_PLL_FORCE_N_EN     7
244 #define  MIPI_PLL_FORCE_BAND_EN  6
245 
246 #define  MIPI_PLL_VCO_TUNE_REG   4
247 /* Bit[5:4]: VCO metal capacitance - */
248 /* 00: +20% fast, 01: +10% fast (default), 10: typical, 11: -10% slow */
249 #define  MIPI_PLL_VCO_TUNE_REG_VAL   0x30
250 
251 #define  MIPI_PLL_PLL_LDO_BIT    2
252 /* Bit[3:2]: vco_v2i power - */
253 /* 00: 1.40V, 01: 1.45V (default), 10: 1.50V, 11: 1.55V */
254 #define  MIPI_PLL_RESET_N        0x02
255 #define  MIPI_FRQ_FORCE_NDET     0
256 
257 #define  MIPI_ALERT_CLR_0        0x2D
258 #define  HS_link_error_clear     7
259 /* This bit itself is S/C, and it clears 0x84:0x31[7] */
260 
261 #define  MIPI_ALERT_OUT_0        0x31
262 #define  check_sum_err_hs_sync   7
263 /* This bit is cleared by 0x84:0x2D[7] */
264 
265 #define  MIPI_DIGITAL_PLL_8    0x33
266 #define  MIPI_POST_DIV_VAL     4
267 /* N means divided by (n+1), n = 0~15 */
268 #define  MIPI_EN_LOCK_FRZ      3
269 #define  MIPI_FRQ_COUNTER_RST  2
270 #define  MIPI_FRQ_SET_REG_8    1
271 /* Bit 0 is reserved */
272 
273 #define  MIPI_DIGITAL_PLL_9    0x34
274 
275 #define  MIPI_DIGITAL_PLL_16   0x3B
276 #define  MIPI_FRQ_FREEZE_NDET          7
277 #define  MIPI_FRQ_REG_SET_ENABLE       6
278 #define  MIPI_REG_FORCE_SEL_EN         5
279 #define  MIPI_REG_SEL_DIV_REG          4
280 #define  MIPI_REG_FORCE_PRE_DIV_EN     3
281 /* Bit 2 is reserved */
282 #define  MIPI_FREF_D_IND               1
283 #define  REF_CLK_27000KHZ    1
284 #define  REF_CLK_19200KHZ    0
285 #define  MIPI_REG_PLL_PLL_TEST_ENABLE  0
286 
287 #define  MIPI_DIGITAL_PLL_18  0x3D
288 #define  FRQ_COUNT_RB_SEL       7
289 #define  REG_FORCE_POST_DIV_EN  6
290 #define  MIPI_DPI_SELECT        5
291 #define  SELECT_DSI  1
292 #define  SELECT_DPI  0
293 #define  REG_BAUD_DIV_RATIO     0
294 
295 #define  H_BLANK_L            0x3E
296 /* For DSC only */
297 #define  H_BLANK_H            0x3F
298 /* For DSC only; note: bit[7:6] are reserved */
299 #define  MIPI_SWAP  0x4A
300 #define  MIPI_SWAP_CH0    7
301 #define  MIPI_SWAP_CH1    6
302 #define  MIPI_SWAP_CH2    5
303 #define  MIPI_SWAP_CH3    4
304 #define  MIPI_SWAP_CLK    3
305 /* Bit[2:0] are reserved */
306 
307 /******** END of I2C Address 0x84 *********/
308 
309 /* DPCD regs */
310 #define DPCD_DPCD_REV                  0x00
311 #define DPCD_MAX_LINK_RATE             0x01
312 #define DPCD_MAX_LANE_COUNT            0x02
313 
314 /*********  ANX7625 Register End  **********/
315 
316 /***************** Display *****************/
317 enum audio_fs {
318 	AUDIO_FS_441K  = 0x00,
319 	AUDIO_FS_48K   = 0x02,
320 	AUDIO_FS_32K   = 0x03,
321 	AUDIO_FS_882K  = 0x08,
322 	AUDIO_FS_96K   = 0x0a,
323 	AUDIO_FS_1764K = 0x0c,
324 	AUDIO_FS_192K  = 0x0e
325 };
326 
327 enum audio_wd_len {
328 	AUDIO_W_LEN_16_20MAX = 0x02,
329 	AUDIO_W_LEN_18_20MAX = 0x04,
330 	AUDIO_W_LEN_17_20MAX = 0x0c,
331 	AUDIO_W_LEN_19_20MAX = 0x08,
332 	AUDIO_W_LEN_20_20MAX = 0x0a,
333 	AUDIO_W_LEN_20_24MAX = 0x03,
334 	AUDIO_W_LEN_22_24MAX = 0x05,
335 	AUDIO_W_LEN_21_24MAX = 0x0d,
336 	AUDIO_W_LEN_23_24MAX = 0x09,
337 	AUDIO_W_LEN_24_24MAX = 0x0b
338 };
339 
340 #define I2S_CH_2	0x01
341 #define TDM_CH_4	0x03
342 #define TDM_CH_6	0x05
343 #define TDM_CH_8	0x07
344 
345 #define MAX_DPCD_BUFFER_SIZE	16
346 
347 #define ONE_BLOCK_SIZE      128
348 #define FOUR_BLOCK_SIZE     (128 * 4)
349 
350 #define MAX_EDID_BLOCK	3
351 #define EDID_TRY_CNT	3
352 #define SUPPORT_PIXEL_CLOCK	300000
353 
354 struct s_edid_data {
355 	int edid_block_num;
356 	u8 edid_raw_data[FOUR_BLOCK_SIZE];
357 };
358 
359 /***************** Display End *****************/
360 
361 #define MAX_LANES_SUPPORT	4
362 
363 struct anx7625_platform_data {
364 	struct gpio_desc *gpio_p_on;
365 	struct gpio_desc *gpio_reset;
366 	struct regulator_bulk_data supplies[3];
367 	struct drm_bridge *panel_bridge;
368 	int intp_irq;
369 	int is_dpi;
370 	int mipi_lanes;
371 	int audio_en;
372 	int dp_lane0_swing_reg_cnt;
373 	int lane0_reg_data[DP_TX_SWING_REG_CNT];
374 	int dp_lane1_swing_reg_cnt;
375 	int lane1_reg_data[DP_TX_SWING_REG_CNT];
376 	u32 low_power_mode;
377 	struct device_node *mipi_host_node;
378 };
379 
380 struct anx7625_i2c_client {
381 	struct i2c_client *tx_p0_client;
382 	struct i2c_client *tx_p1_client;
383 	struct i2c_client *tx_p2_client;
384 	struct i2c_client *rx_p0_client;
385 	struct i2c_client *rx_p1_client;
386 	struct i2c_client *rx_p2_client;
387 	struct i2c_client *tcpc_client;
388 };
389 
390 struct anx7625_data {
391 	struct anx7625_platform_data pdata;
392 	struct platform_device *audio_pdev;
393 	int hpd_status;
394 	int hpd_high_cnt;
395 	/* Lock for work queue */
396 	struct mutex lock;
397 	struct i2c_client *client;
398 	struct anx7625_i2c_client i2c;
399 	struct i2c_client *last_client;
400 	struct s_edid_data slimport_edid_p;
401 	struct device *codec_dev;
402 	hdmi_codec_plugged_cb plugged_cb;
403 	struct work_struct work;
404 	struct workqueue_struct *workqueue;
405 	char edid_block;
406 	struct display_timing dt;
407 	u8 display_timing_valid;
408 	struct drm_bridge bridge;
409 	u8 bridge_attached;
410 	struct mipi_dsi_device *dsi;
411 };
412 
413 #endif  /* __ANX7625_H__ */
414