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 TX_HDCP_CTRL0 0x01
63#define STORE_AN BIT(7)
64#define RX_REPEATER BIT(6)
65#define RE_AUTHEN BIT(5)
66#define SW_AUTH_OK BIT(4)
67#define HARD_AUTH_EN BIT(3)
68#define ENC_EN BIT(2)
69#define BKSV_SRM_PASS BIT(1)
70#define KSVLIST_VLD BIT(0)
71
72#define SP_TX_WAIT_R0_TIME 0x40
73#define SP_TX_WAIT_KSVR_TIME 0x42
74#define SP_TX_SYS_CTRL1_REG 0x80
75#define HDCP2TX_FW_EN BIT(4)
76
77#define SP_TX_LINK_BW_SET_REG 0xA0
78#define SP_TX_LANE_COUNT_SET_REG 0xA1
79
80#define M_VID_0 0xC0
81#define M_VID_1 0xC1
82#define M_VID_2 0xC2
83#define N_VID_0 0xC3
84#define N_VID_1 0xC4
85#define N_VID_2 0xC5
86
87#define KEY_START_ADDR 0x9000
88#define KEY_RESERVED 416
89
90#define HDCP14KEY_START_ADDR (KEY_START_ADDR + KEY_RESERVED)
91#define HDCP14KEY_SIZE 624
92
93/***************************************************************/
94/* Register definition of device address 0x72 */
95#define AUX_RST 0x04
96#define RST_CTRL2 0x07
97
98#define SP_TX_TOTAL_LINE_STA_L 0x24
99#define SP_TX_TOTAL_LINE_STA_H 0x25
100#define SP_TX_ACT_LINE_STA_L 0x26
101#define SP_TX_ACT_LINE_STA_H 0x27
102#define SP_TX_V_F_PORCH_STA 0x28
103#define SP_TX_V_SYNC_STA 0x29
104#define SP_TX_V_B_PORCH_STA 0x2A
105#define SP_TX_TOTAL_PIXEL_STA_L 0x2B
106#define SP_TX_TOTAL_PIXEL_STA_H 0x2C
107#define SP_TX_ACT_PIXEL_STA_L 0x2D
108#define SP_TX_ACT_PIXEL_STA_H 0x2E
109#define SP_TX_H_F_PORCH_STA_L 0x2F
110#define SP_TX_H_F_PORCH_STA_H 0x30
111#define SP_TX_H_SYNC_STA_L 0x31
112#define SP_TX_H_SYNC_STA_H 0x32
113#define SP_TX_H_B_PORCH_STA_L 0x33
114#define SP_TX_H_B_PORCH_STA_H 0x34
115
116#define SP_TX_VID_CTRL 0x84
117#define SP_TX_BPC_MASK 0xE0
118#define SP_TX_BPC_6 0x00
119#define SP_TX_BPC_8 0x20
120#define SP_TX_BPC_10 0x40
121#define SP_TX_BPC_12 0x60
122
123#define VIDEO_BIT_MATRIX_12 0x4c
124
125#define AUDIO_CHANNEL_STATUS_1 0xd0
126#define AUDIO_CHANNEL_STATUS_2 0xd1
127#define AUDIO_CHANNEL_STATUS_3 0xd2
128#define AUDIO_CHANNEL_STATUS_4 0xd3
129#define AUDIO_CHANNEL_STATUS_5 0xd4
130#define AUDIO_CHANNEL_STATUS_6 0xd5
131#define TDM_SLAVE_MODE 0x10
132#define I2S_SLAVE_MODE 0x08
133#define AUDIO_LAYOUT 0x01
134
135#define HPD_DET_TIMER_BIT0_7 0xea
136#define HPD_DET_TIMER_BIT8_15 0xeb
137#define HPD_DET_TIMER_BIT16_23 0xec
138/* HPD debounce time 2ms for 27M clock */
139#define HPD_TIME 54000
140
141#define AUDIO_CONTROL_REGISTER 0xe6
142#define TDM_TIMING_MODE 0x08
143
144#define I2C_ADDR_72_DPTX 0x72
145
146#define HP_MIN 8
147#define HBLANKING_MIN 80
148#define SYNC_LEN_DEF 32
149#define HFP_HBP_DEF ((HBLANKING_MIN - SYNC_LEN_DEF) / 2)
150#define VIDEO_CONTROL_0 0x08
151
152#define ACTIVE_LINES_L 0x14
153#define ACTIVE_LINES_H 0x15 /* Bit[7:6] are reserved */
154#define VERTICAL_FRONT_PORCH 0x16
155#define VERTICAL_SYNC_WIDTH 0x17
156#define VERTICAL_BACK_PORCH 0x18
157
158#define HORIZONTAL_TOTAL_PIXELS_L 0x19
159#define HORIZONTAL_TOTAL_PIXELS_H 0x1A /* Bit[7:6] are reserved */
160#define HORIZONTAL_ACTIVE_PIXELS_L 0x1B
161#define HORIZONTAL_ACTIVE_PIXELS_H 0x1C /* Bit[7:6] are reserved */
162#define HORIZONTAL_FRONT_PORCH_L 0x1D
163#define HORIZONTAL_FRONT_PORCH_H 0x1E /* Bit[7:4] are reserved */
164#define HORIZONTAL_SYNC_WIDTH_L 0x1F
165#define HORIZONTAL_SYNC_WIDTH_H 0x20 /* Bit[7:4] are reserved */
166#define HORIZONTAL_BACK_PORCH_L 0x21
167#define HORIZONTAL_BACK_PORCH_H 0x22 /* Bit[7:4] are reserved */
168
169/******** END of I2C Address 0x72 *********/
170
171/***************************************************************/
172/* Register definition of device address 0x7a */
173#define DP_TX_SWING_REG_CNT 0x14
174#define DP_TX_LANE0_SWING_REG0 0x00
175#define DP_TX_LANE1_SWING_REG0 0x14
176/******** END of I2C Address 0x7a *********/
177
178/***************************************************************/
179/* Register definition of device address 0x7e */
180
181#define I2C_ADDR_7E_FLASH_CONTROLLER 0x7E
182
183#define R_BOOT_RETRY 0x00
184#define R_RAM_ADDR_H 0x01
185#define R_RAM_ADDR_L 0x02
186#define R_RAM_LEN_H 0x03
187#define R_RAM_LEN_L 0x04
188#define FLASH_LOAD_STA 0x05
189#define FLASH_LOAD_STA_CHK BIT(7)
190
191#define R_RAM_CTRL 0x05
192/* bit positions */
193#define FLASH_DONE BIT(7)
194#define BOOT_LOAD_DONE BIT(6)
195#define CRC_OK BIT(5)
196#define LOAD_DONE BIT(4)
197#define O_RW_DONE BIT(3)
198#define FUSE_BUSY BIT(2)
199#define DECRYPT_EN BIT(1)
200#define LOAD_START BIT(0)
201
202#define FLASH_ADDR_HIGH 0x0F
203#define FLASH_ADDR_LOW 0x10
204#define FLASH_LEN_HIGH 0x31
205#define FLASH_LEN_LOW 0x32
206#define R_FLASH_RW_CTRL 0x33
207/* bit positions */
208#define READ_DELAY_SELECT BIT(7)
209#define GENERAL_INSTRUCTION_EN BIT(6)
210#define FLASH_ERASE_EN BIT(5)
211#define RDID_READ_EN BIT(4)
212#define REMS_READ_EN BIT(3)
213#define WRITE_STATUS_EN BIT(2)
214#define FLASH_READ BIT(1)
215#define FLASH_WRITE BIT(0)
216
217#define FLASH_BUF_BASE_ADDR 0x60
218#define FLASH_BUF_LEN 0x20
219
220#define XTAL_FRQ_SEL 0x3F
221/* bit field positions */
222#define XTAL_FRQ_SEL_POS 5
223/* bit field values */
224#define XTAL_FRQ_19M2 (0 << XTAL_FRQ_SEL_POS)
225#define XTAL_FRQ_27M (4 << XTAL_FRQ_SEL_POS)
226
227#define R_DSC_CTRL_0 0x40
228#define READ_STATUS_EN 7
229#define CLK_1MEG_RB 6 /* 1MHz clock reset; 0=reset, 0=reset release */
230#define DSC_BIST_DONE 1 /* Bit[5:1]: 1=DSC MBIST pass */
231#define DSC_EN 0x01 /* 1=DSC enabled, 0=DSC disabled */
232
233#define OCM_FW_VERSION 0x31
234#define OCM_FW_REVERSION 0x32
235
236#define AP_AUX_ADDR_7_0 0x11
237#define AP_AUX_ADDR_15_8 0x12
238#define AP_AUX_ADDR_19_16 0x13
239
240/* Bit[0:3] AUX status, bit 4 op_en, bit 5 address only */
241#define AP_AUX_CTRL_STATUS 0x14
242#define AP_AUX_CTRL_OP_EN 0x10
243#define AP_AUX_CTRL_ADDRONLY 0x20
244
245#define AP_AUX_BUFF_START 0x15
246#define PIXEL_CLOCK_L 0x25
247#define PIXEL_CLOCK_H 0x26
248
249#define AP_AUX_COMMAND 0x27 /* com+len */
250#define LENGTH_SHIFT 4
251#define DPCD_CMD(len, cmd) ((((len) - 1) << LENGTH_SHIFT) | (cmd))
252
253/* Bit 0&1: 3D video structure */
254/* 0x01: frame packing, 0x02:Line alternative, 0x03:Side-by-side(full) */
255#define AP_AV_STATUS 0x28
256#define AP_VIDEO_CHG BIT(2)
257#define AP_AUDIO_CHG BIT(3)
258#define AP_MIPI_MUTE BIT(4) /* 1:MIPI input mute, 0: ummute */
259#define AP_MIPI_RX_EN BIT(5) /* 1: MIPI RX input in 0: no RX in */
260#define AP_DISABLE_PD BIT(6)
261#define AP_DISABLE_DISPLAY BIT(7)
262
263#define GPIO_CTRL_2 0x49
264#define HPD_SOURCE BIT(6)
265
266/***************************************************************/
267/* Register definition of device address 0x84 */
268#define MIPI_PHY_CONTROL_3 0x03
269#define MIPI_HS_PWD_CLK 7
270#define MIPI_HS_RT_CLK 6
271#define MIPI_PD_CLK 5
272#define MIPI_CLK_RT_MANUAL_PD_EN 4
273#define MIPI_CLK_HS_MANUAL_PD_EN 3
274#define MIPI_CLK_DET_DET_BYPASS 2
275#define MIPI_CLK_MISS_CTRL 1
276#define MIPI_PD_LPTX_CH_MANUAL_PD_EN 0
277
278#define MIPI_LANE_CTRL_0 0x05
279#define MIPI_TIME_HS_PRPR 0x08
280
281/*
282 * After MIPI RX protocol layer received video frames,
283 * Protocol layer starts to reconstruct video stream from PHY
284 */
285#define MIPI_VIDEO_STABLE_CNT 0x0A
286
287#define MIPI_LANE_CTRL_10 0x0F
288#define MIPI_DIGITAL_ADJ_1 0x1B
289#define IVO_MID0 0x26
290#define IVO_MID1 0xCF
291
292#define MIPI_PLL_M_NUM_23_16 0x1E
293#define MIPI_PLL_M_NUM_15_8 0x1F
294#define MIPI_PLL_M_NUM_7_0 0x20
295#define MIPI_PLL_N_NUM_23_16 0x21
296#define MIPI_PLL_N_NUM_15_8 0x22
297#define MIPI_PLL_N_NUM_7_0 0x23
298
299#define MIPI_DIGITAL_PLL_6 0x2A
300/* Bit[7:6]: VCO band control, only effective */
301#define MIPI_M_NUM_READY 0x10
302#define MIPI_N_NUM_READY 0x08
303#define STABLE_INTEGER_CNT_EN 0x04
304#define MIPI_PLL_TEST_BIT 0
305/* Bit[1:0]: test point output select - */
306/* 00: VCO power, 01: dvdd_pdt, 10: dvdd, 11: vcox */
307
308#define MIPI_DIGITAL_PLL_7 0x2B
309#define MIPI_PLL_FORCE_N_EN 7
310#define MIPI_PLL_FORCE_BAND_EN 6
311
312#define MIPI_PLL_VCO_TUNE_REG 4
313/* Bit[5:4]: VCO metal capacitance - */
314/* 00: +20% fast, 01: +10% fast (default), 10: typical, 11: -10% slow */
315#define MIPI_PLL_VCO_TUNE_REG_VAL 0x30
316
317#define MIPI_PLL_PLL_LDO_BIT 2
318/* Bit[3:2]: vco_v2i power - */
319/* 00: 1.40V, 01: 1.45V (default), 10: 1.50V, 11: 1.55V */
320#define MIPI_PLL_RESET_N 0x02
321#define MIPI_FRQ_FORCE_NDET 0
322
323#define MIPI_ALERT_CLR_0 0x2D
324#define HS_link_error_clear 7
325/* This bit itself is S/C, and it clears 0x84:0x31[7] */
326
327#define MIPI_ALERT_OUT_0 0x31
328#define check_sum_err_hs_sync 7
329/* This bit is cleared by 0x84:0x2D[7] */
330
331#define MIPI_DIGITAL_PLL_8 0x33
332#define MIPI_POST_DIV_VAL 4
333/* N means divided by (n+1), n = 0~15 */
334#define MIPI_EN_LOCK_FRZ 3
335#define MIPI_FRQ_COUNTER_RST 2
336#define MIPI_FRQ_SET_REG_8 1
337/* Bit 0 is reserved */
338
339#define MIPI_DIGITAL_PLL_9 0x34
340
341#define MIPI_DIGITAL_PLL_16 0x3B
342#define MIPI_FRQ_FREEZE_NDET 7
343#define MIPI_FRQ_REG_SET_ENABLE 6
344#define MIPI_REG_FORCE_SEL_EN 5
345#define MIPI_REG_SEL_DIV_REG 4
346#define MIPI_REG_FORCE_PRE_DIV_EN 3
347/* Bit 2 is reserved */
348#define MIPI_FREF_D_IND 1
349#define REF_CLK_27000KHZ 1
350#define REF_CLK_19200KHZ 0
351#define MIPI_REG_PLL_PLL_TEST_ENABLE 0
352
353#define MIPI_DIGITAL_PLL_18 0x3D
354#define FRQ_COUNT_RB_SEL 7
355#define REG_FORCE_POST_DIV_EN 6
356#define MIPI_DPI_SELECT 5
357#define SELECT_DSI 1
358#define SELECT_DPI 0
359#define REG_BAUD_DIV_RATIO 0
360
361#define H_BLANK_L 0x3E
362/* For DSC only */
363#define H_BLANK_H 0x3F
364/* For DSC only; note: bit[7:6] are reserved */
365#define MIPI_SWAP 0x4A
366#define MIPI_SWAP_CH0 7
367#define MIPI_SWAP_CH1 6
368#define MIPI_SWAP_CH2 5
369#define MIPI_SWAP_CH3 4
370#define MIPI_SWAP_CLK 3
371/* Bit[2:0] are reserved */
372
373/******** END of I2C Address 0x84 *********/
374
375/* DPCD regs */
376#define DPCD_DPCD_REV 0x00
377#define DPCD_MAX_LINK_RATE 0x01
378#define DPCD_MAX_LANE_COUNT 0x02
379
380/********* ANX7625 Register End **********/
381
382/***************** Display *****************/
383enum audio_fs {
384 AUDIO_FS_441K = 0x00,
385 AUDIO_FS_48K = 0x02,
386 AUDIO_FS_32K = 0x03,
387 AUDIO_FS_882K = 0x08,
388 AUDIO_FS_96K = 0x0a,
389 AUDIO_FS_1764K = 0x0c,
390 AUDIO_FS_192K = 0x0e
391};
392
393enum audio_wd_len {
394 AUDIO_W_LEN_16_20MAX = 0x02,
395 AUDIO_W_LEN_18_20MAX = 0x04,
396 AUDIO_W_LEN_17_20MAX = 0x0c,
397 AUDIO_W_LEN_19_20MAX = 0x08,
398 AUDIO_W_LEN_20_20MAX = 0x0a,
399 AUDIO_W_LEN_20_24MAX = 0x03,
400 AUDIO_W_LEN_22_24MAX = 0x05,
401 AUDIO_W_LEN_21_24MAX = 0x0d,
402 AUDIO_W_LEN_23_24MAX = 0x09,
403 AUDIO_W_LEN_24_24MAX = 0x0b
404};
405
406#define I2S_CH_2 0x01
407#define TDM_CH_4 0x03
408#define TDM_CH_6 0x05
409#define TDM_CH_8 0x07
410
411#define MAX_DPCD_BUFFER_SIZE 16
412
413#define ONE_BLOCK_SIZE 128
414#define FOUR_BLOCK_SIZE (128 * 4)
415
416#define MAX_EDID_BLOCK 3
417#define EDID_TRY_CNT 3
418#define SUPPORT_PIXEL_CLOCK 300000
419
420struct s_edid_data {
421 int edid_block_num;
422 u8 edid_raw_data[FOUR_BLOCK_SIZE];
423};
424
425/***************** Display End *****************/
426
427#define MAX_LANES_SUPPORT 4
428
429struct anx7625_platform_data {
430 struct gpio_desc *gpio_p_on;
431 struct gpio_desc *gpio_reset;
432 struct regulator_bulk_data supplies[3];
433 struct drm_bridge *panel_bridge;
434 int intp_irq;
435 int is_dpi;
436 int mipi_lanes;
437 int audio_en;
438 int dp_lane0_swing_reg_cnt;
439 u8 lane0_reg_data[DP_TX_SWING_REG_CNT];
440 int dp_lane1_swing_reg_cnt;
441 u8 lane1_reg_data[DP_TX_SWING_REG_CNT];
442 u32 low_power_mode;
443 struct device_node *mipi_host_node;
444};
445
446struct anx7625_i2c_client {
447 struct i2c_client *tx_p0_client;
448 struct i2c_client *tx_p1_client;
449 struct i2c_client *tx_p2_client;
450 struct i2c_client *rx_p0_client;
451 struct i2c_client *rx_p1_client;
452 struct i2c_client *rx_p2_client;
453 struct i2c_client *tcpc_client;
454};
455
456struct anx7625_data {
457 struct anx7625_platform_data pdata;
458 struct platform_device *audio_pdev;
459 int hpd_status;
460 int hpd_high_cnt;
461 int dp_en;
462 int hdcp_cp;
463 /* Lock for work queue */
464 struct mutex lock;
465 struct device *dev;
466 struct anx7625_i2c_client i2c;
467 struct i2c_client *last_client;
468 struct timer_list hdcp_timer;
469 struct s_edid_data slimport_edid_p;
470 struct device *codec_dev;
471 hdmi_codec_plugged_cb plugged_cb;
472 struct work_struct work;
473 struct workqueue_struct *workqueue;
474 struct delayed_work hdcp_work;
475 struct workqueue_struct *hdcp_workqueue;
476 /* Lock for hdcp work queue */
477 struct mutex hdcp_wq_lock;
478 /* Lock for aux transfer and disable */
479 struct mutex aux_lock;
480 char edid_block;
481 struct display_timing dt;
482 u8 display_timing_valid;
483 struct drm_bridge bridge;
484 u8 bridge_attached;
485 struct drm_connector *connector;
486 struct mipi_dsi_device *dsi;
487 struct drm_dp_aux aux;
488};
489
490#endif /* __ANX7625_H__ */
491

source code of linux/drivers/gpu/drm/bridge/analogix/anx7625.h