1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright(c) 2020, Analogix Semiconductor. All rights reserved.
10 #define ANX7625_DRV_VERSION "0.1.04"
12 /* Loading OCM re-trying times */
13 #define OCM_LOADING_TIME 10
15 /********* ANX7625 Register **********/
16 #define TX_P0_ADDR 0x70
17 #define TX_P1_ADDR 0x7A
18 #define TX_P2_ADDR 0x72
20 #define RX_P0_ADDR 0x7e
21 #define RX_P1_ADDR 0x84
22 #define RX_P2_ADDR 0x54
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
30 #define TCPC_INTERFACE_ADDR 0x58
32 /* Clock frequency in Hz */
33 #define XTAL_FRQ (27 * 1000000)
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
43 /***************************************************************/
44 /* Register definition of device address 0x58 */
46 #define PRODUCT_ID_L 0x02
47 #define PRODUCT_ID_H 0x03
49 #define INTR_ALERT_1 0xCC
50 #define INTR_SOFTWARE_INT BIT(3)
51 #define INTR_RECEIVED_MSG BIT(5)
53 #define SYSTEM_STSTUS 0x45
54 #define INTERFACE_CHANGE_INT 0x44
55 #define HPD_STATUS_CHANGE 0x80
56 #define HPD_STATUS 0x80
58 /******** END of I2C Address 0x58 ********/
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)
69 #define BKSV_SRM_PASS BIT(1)
70 #define KSVLIST_VLD BIT(0)
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)
77 #define SP_TX_LINK_BW_SET_REG 0xA0
78 #define SP_TX_LANE_COUNT_SET_REG 0xA1
87 #define KEY_START_ADDR 0x9000
88 #define KEY_RESERVED 416
90 #define HDCP14KEY_START_ADDR (KEY_START_ADDR + KEY_RESERVED)
91 #define HDCP14KEY_SIZE 624
93 /***************************************************************/
94 /* Register definition of device address 0x72 */
96 #define RST_CTRL2 0x07
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
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
123 #define VIDEO_BIT_MATRIX_12 0x4c
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
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
141 #define AUDIO_CONTROL_REGISTER 0xe6
142 #define TDM_TIMING_MODE 0x08
144 #define I2C_ADDR_72_DPTX 0x72
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
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
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 */
169 /******** END of I2C Address 0x72 *********/
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 *********/
178 /***************************************************************/
179 /* Register definition of device address 0x7e */
181 #define I2C_ADDR_7E_FLASH_CONTROLLER 0x7E
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)
191 #define R_RAM_CTRL 0x05
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)
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
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)
217 #define FLASH_BUF_BASE_ADDR 0x60
218 #define FLASH_BUF_LEN 0x20
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)
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 */
233 #define OCM_FW_VERSION 0x31
234 #define OCM_FW_REVERSION 0x32
236 #define AP_AUX_ADDR_7_0 0x11
237 #define AP_AUX_ADDR_15_8 0x12
238 #define AP_AUX_ADDR_19_16 0x13
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
245 #define AP_AUX_BUFF_START 0x15
246 #define PIXEL_CLOCK_L 0x25
247 #define PIXEL_CLOCK_H 0x26
249 #define AP_AUX_COMMAND 0x27 /* com+len */
250 #define LENGTH_SHIFT 4
251 #define DPCD_CMD(len, cmd) ((((len) - 1) << LENGTH_SHIFT) | (cmd))
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)
263 #define GPIO_CTRL_2 0x49
264 #define HPD_SOURCE BIT(6)
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
278 #define MIPI_LANE_CTRL_0 0x05
279 #define MIPI_TIME_HS_PRPR 0x08
282 * After MIPI RX protocol layer received video frames,
283 * Protocol layer starts to reconstruct video stream from PHY
285 #define MIPI_VIDEO_STABLE_CNT 0x0A
287 #define MIPI_LANE_CTRL_10 0x0F
288 #define MIPI_DIGITAL_ADJ_1 0x1B
289 #define IVO_MID 0x26CF
291 #define MIPI_PLL_M_NUM_23_16 0x1E
292 #define MIPI_PLL_M_NUM_15_8 0x1F
293 #define MIPI_PLL_M_NUM_7_0 0x20
294 #define MIPI_PLL_N_NUM_23_16 0x21
295 #define MIPI_PLL_N_NUM_15_8 0x22
296 #define MIPI_PLL_N_NUM_7_0 0x23
298 #define MIPI_DIGITAL_PLL_6 0x2A
299 /* Bit[7:6]: VCO band control, only effective */
300 #define MIPI_M_NUM_READY 0x10
301 #define MIPI_N_NUM_READY 0x08
302 #define STABLE_INTEGER_CNT_EN 0x04
303 #define MIPI_PLL_TEST_BIT 0
304 /* Bit[1:0]: test point output select - */
305 /* 00: VCO power, 01: dvdd_pdt, 10: dvdd, 11: vcox */
307 #define MIPI_DIGITAL_PLL_7 0x2B
308 #define MIPI_PLL_FORCE_N_EN 7
309 #define MIPI_PLL_FORCE_BAND_EN 6
311 #define MIPI_PLL_VCO_TUNE_REG 4
312 /* Bit[5:4]: VCO metal capacitance - */
313 /* 00: +20% fast, 01: +10% fast (default), 10: typical, 11: -10% slow */
314 #define MIPI_PLL_VCO_TUNE_REG_VAL 0x30
316 #define MIPI_PLL_PLL_LDO_BIT 2
317 /* Bit[3:2]: vco_v2i power - */
318 /* 00: 1.40V, 01: 1.45V (default), 10: 1.50V, 11: 1.55V */
319 #define MIPI_PLL_RESET_N 0x02
320 #define MIPI_FRQ_FORCE_NDET 0
322 #define MIPI_ALERT_CLR_0 0x2D
323 #define HS_link_error_clear 7
324 /* This bit itself is S/C, and it clears 0x84:0x31[7] */
326 #define MIPI_ALERT_OUT_0 0x31
327 #define check_sum_err_hs_sync 7
328 /* This bit is cleared by 0x84:0x2D[7] */
330 #define MIPI_DIGITAL_PLL_8 0x33
331 #define MIPI_POST_DIV_VAL 4
332 /* N means divided by (n+1), n = 0~15 */
333 #define MIPI_EN_LOCK_FRZ 3
334 #define MIPI_FRQ_COUNTER_RST 2
335 #define MIPI_FRQ_SET_REG_8 1
336 /* Bit 0 is reserved */
338 #define MIPI_DIGITAL_PLL_9 0x34
340 #define MIPI_DIGITAL_PLL_16 0x3B
341 #define MIPI_FRQ_FREEZE_NDET 7
342 #define MIPI_FRQ_REG_SET_ENABLE 6
343 #define MIPI_REG_FORCE_SEL_EN 5
344 #define MIPI_REG_SEL_DIV_REG 4
345 #define MIPI_REG_FORCE_PRE_DIV_EN 3
346 /* Bit 2 is reserved */
347 #define MIPI_FREF_D_IND 1
348 #define REF_CLK_27000KHZ 1
349 #define REF_CLK_19200KHZ 0
350 #define MIPI_REG_PLL_PLL_TEST_ENABLE 0
352 #define MIPI_DIGITAL_PLL_18 0x3D
353 #define FRQ_COUNT_RB_SEL 7
354 #define REG_FORCE_POST_DIV_EN 6
355 #define MIPI_DPI_SELECT 5
358 #define REG_BAUD_DIV_RATIO 0
360 #define H_BLANK_L 0x3E
362 #define H_BLANK_H 0x3F
363 /* For DSC only; note: bit[7:6] are reserved */
364 #define MIPI_SWAP 0x4A
365 #define MIPI_SWAP_CH0 7
366 #define MIPI_SWAP_CH1 6
367 #define MIPI_SWAP_CH2 5
368 #define MIPI_SWAP_CH3 4
369 #define MIPI_SWAP_CLK 3
370 /* Bit[2:0] are reserved */
372 /******** END of I2C Address 0x84 *********/
375 #define DPCD_DPCD_REV 0x00
376 #define DPCD_MAX_LINK_RATE 0x01
377 #define DPCD_MAX_LANE_COUNT 0x02
379 /********* ANX7625 Register End **********/
381 /***************** Display *****************/
383 AUDIO_FS_441K = 0x00,
386 AUDIO_FS_882K = 0x08,
388 AUDIO_FS_1764K = 0x0c,
393 AUDIO_W_LEN_16_20MAX = 0x02,
394 AUDIO_W_LEN_18_20MAX = 0x04,
395 AUDIO_W_LEN_17_20MAX = 0x0c,
396 AUDIO_W_LEN_19_20MAX = 0x08,
397 AUDIO_W_LEN_20_20MAX = 0x0a,
398 AUDIO_W_LEN_20_24MAX = 0x03,
399 AUDIO_W_LEN_22_24MAX = 0x05,
400 AUDIO_W_LEN_21_24MAX = 0x0d,
401 AUDIO_W_LEN_23_24MAX = 0x09,
402 AUDIO_W_LEN_24_24MAX = 0x0b
405 #define I2S_CH_2 0x01
406 #define TDM_CH_4 0x03
407 #define TDM_CH_6 0x05
408 #define TDM_CH_8 0x07
410 #define MAX_DPCD_BUFFER_SIZE 16
412 #define ONE_BLOCK_SIZE 128
413 #define FOUR_BLOCK_SIZE (128 * 4)
415 #define MAX_EDID_BLOCK 3
416 #define EDID_TRY_CNT 3
417 #define SUPPORT_PIXEL_CLOCK 300000
419 /***************** Display End *****************/
421 #define MAX_LANES_SUPPORT 4
423 struct anx7625_platform_data {
424 struct gpio_desc *gpio_p_on;
425 struct gpio_desc *gpio_reset;
426 struct regulator_bulk_data supplies[3];
427 struct drm_bridge *panel_bridge;
432 int dp_lane0_swing_reg_cnt;
433 u8 lane0_reg_data[DP_TX_SWING_REG_CNT];
434 int dp_lane1_swing_reg_cnt;
435 u8 lane1_reg_data[DP_TX_SWING_REG_CNT];
437 struct device_node *mipi_host_node;
440 struct anx7625_i2c_client {
441 struct i2c_client *tx_p0_client;
442 struct i2c_client *tx_p1_client;
443 struct i2c_client *tx_p2_client;
444 struct i2c_client *rx_p0_client;
445 struct i2c_client *rx_p1_client;
446 struct i2c_client *rx_p2_client;
447 struct i2c_client *tcpc_client;
450 struct anx7625_data {
451 struct anx7625_platform_data pdata;
452 struct platform_device *audio_pdev;
457 /* Lock for work queue */
460 struct anx7625_i2c_client i2c;
461 struct i2c_client *last_client;
462 struct timer_list hdcp_timer;
463 const struct drm_edid *cached_drm_edid;
464 struct device *codec_dev;
465 hdmi_codec_plugged_cb plugged_cb;
466 struct work_struct work;
467 struct workqueue_struct *workqueue;
468 struct delayed_work hdcp_work;
469 struct workqueue_struct *hdcp_workqueue;
470 /* Lock for hdcp work queue */
471 struct mutex hdcp_wq_lock;
472 /* Lock for aux transfer and disable */
473 struct mutex aux_lock;
475 struct display_timing dt;
476 u8 display_timing_valid;
477 struct drm_bridge bridge;
479 struct drm_connector *connector;
480 struct mipi_dsi_device *dsi;
481 struct drm_dp_aux aux;
484 #endif /* __ANX7625_H__ */