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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * adv7180.c Analog Devices ADV7180 video decoder driver
4 * Copyright (c) 2009 Intel Corporation
5 * Copyright (C) 2013 Cogent Embedded, Inc.
6 * Copyright (C) 2013 Renesas Solutions Corp.
7 */
8#include <linux/module.h>
9#include <linux/init.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <linux/interrupt.h>
13#include <linux/i2c.h>
14#include <linux/slab.h>
15#include <linux/of.h>
16#include <linux/gpio/consumer.h>
17#include <linux/videodev2.h>
18#include <media/v4l2-ioctl.h>
19#include <media/v4l2-event.h>
20#include <media/v4l2-device.h>
21#include <media/v4l2-ctrls.h>
22#include <linux/mutex.h>
23#include <linux/delay.h>
24
25#define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM 0x0
26#define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED 0x1
27#define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM 0x2
28#define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM 0x3
29#define ADV7180_STD_NTSC_J 0x4
30#define ADV7180_STD_NTSC_M 0x5
31#define ADV7180_STD_PAL60 0x6
32#define ADV7180_STD_NTSC_443 0x7
33#define ADV7180_STD_PAL_BG 0x8
34#define ADV7180_STD_PAL_N 0x9
35#define ADV7180_STD_PAL_M 0xa
36#define ADV7180_STD_PAL_M_PED 0xb
37#define ADV7180_STD_PAL_COMB_N 0xc
38#define ADV7180_STD_PAL_COMB_N_PED 0xd
39#define ADV7180_STD_PAL_SECAM 0xe
40#define ADV7180_STD_PAL_SECAM_PED 0xf
41
42#define ADV7180_REG_INPUT_CONTROL 0x0000
43#define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
44
45#define ADV7182_REG_INPUT_VIDSEL 0x0002
46#define ADV7182_REG_INPUT_RESERVED BIT(2)
47
48#define ADV7180_REG_OUTPUT_CONTROL 0x0003
49#define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
50#define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
51
52#define ADV7180_REG_AUTODETECT_ENABLE 0x0007
53#define ADV7180_AUTODETECT_DEFAULT 0x7f
54/* Contrast */
55#define ADV7180_REG_CON 0x0008 /*Unsigned */
56#define ADV7180_CON_MIN 0
57#define ADV7180_CON_DEF 128
58#define ADV7180_CON_MAX 255
59/* Brightness*/
60#define ADV7180_REG_BRI 0x000a /*Signed */
61#define ADV7180_BRI_MIN -128
62#define ADV7180_BRI_DEF 0
63#define ADV7180_BRI_MAX 127
64/* Hue */
65#define ADV7180_REG_HUE 0x000b /*Signed, inverted */
66#define ADV7180_HUE_MIN -127
67#define ADV7180_HUE_DEF 0
68#define ADV7180_HUE_MAX 128
69
70#define ADV7180_REG_DEF_VALUE_Y 0x000c
71#define ADV7180_DEF_VAL_EN 0x1
72#define ADV7180_DEF_VAL_AUTO_EN 0x2
73#define ADV7180_REG_CTRL 0x000e
74#define ADV7180_CTRL_IRQ_SPACE 0x20
75
76#define ADV7180_REG_PWR_MAN 0x0f
77#define ADV7180_PWR_MAN_ON 0x04
78#define ADV7180_PWR_MAN_OFF 0x24
79#define ADV7180_PWR_MAN_RES 0x80
80
81#define ADV7180_REG_STATUS1 0x0010
82#define ADV7180_STATUS1_IN_LOCK 0x01
83#define ADV7180_STATUS1_AUTOD_MASK 0x70
84#define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
85#define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
86#define ADV7180_STATUS1_AUTOD_PAL_M 0x20
87#define ADV7180_STATUS1_AUTOD_PAL_60 0x30
88#define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
89#define ADV7180_STATUS1_AUTOD_SECAM 0x50
90#define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
91#define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
92
93#define ADV7180_REG_IDENT 0x0011
94#define ADV7180_ID_7180 0x18
95
96#define ADV7180_REG_STATUS3 0x0013
97#define ADV7180_REG_ANALOG_CLAMP_CTL 0x0014
98#define ADV7180_REG_SHAP_FILTER_CTL_1 0x0017
99#define ADV7180_REG_CTRL_2 0x001d
100#define ADV7180_REG_VSYNC_FIELD_CTL_1 0x0031
101#define ADV7180_VSYNC_FIELD_CTL_1_NEWAV 0x12
102#define ADV7180_REG_MANUAL_WIN_CTL_1 0x003d
103#define ADV7180_REG_MANUAL_WIN_CTL_2 0x003e
104#define ADV7180_REG_MANUAL_WIN_CTL_3 0x003f
105#define ADV7180_REG_LOCK_CNT 0x0051
106#define ADV7180_REG_CVBS_TRIM 0x0052
107#define ADV7180_REG_CLAMP_ADJ 0x005a
108#define ADV7180_REG_RES_CIR 0x005f
109#define ADV7180_REG_DIFF_MODE 0x0060
110
111#define ADV7180_REG_ICONF1 0x2040
112#define ADV7180_ICONF1_ACTIVE_LOW 0x01
113#define ADV7180_ICONF1_PSYNC_ONLY 0x10
114#define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
115/* Saturation */
116#define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
117#define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
118#define ADV7180_SAT_MIN 0
119#define ADV7180_SAT_DEF 128
120#define ADV7180_SAT_MAX 255
121
122#define ADV7180_IRQ1_LOCK 0x01
123#define ADV7180_IRQ1_UNLOCK 0x02
124#define ADV7180_REG_ISR1 0x2042
125#define ADV7180_REG_ICR1 0x2043
126#define ADV7180_REG_IMR1 0x2044
127#define ADV7180_REG_IMR2 0x2048
128#define ADV7180_IRQ3_AD_CHANGE 0x08
129#define ADV7180_REG_ISR3 0x204A
130#define ADV7180_REG_ICR3 0x204B
131#define ADV7180_REG_IMR3 0x204C
132#define ADV7180_REG_IMR4 0x2050
133
134#define ADV7180_REG_NTSC_V_BIT_END 0x00E6
135#define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
136
137#define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
138#define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
139
140#define ADV7180_REG_ACE_CTRL1 0x4080
141#define ADV7180_REG_ACE_CTRL5 0x4084
142#define ADV7180_REG_FLCONTROL 0x40e0
143#define ADV7180_FLCONTROL_FL_ENABLE 0x1
144
145#define ADV7180_REG_RST_CLAMP 0x809c
146#define ADV7180_REG_AGC_ADJ1 0x80b6
147#define ADV7180_REG_AGC_ADJ2 0x80c0
148
149#define ADV7180_CSI_REG_PWRDN 0x00
150#define ADV7180_CSI_PWRDN 0x80
151
152#define ADV7180_INPUT_CVBS_AIN1 0x00
153#define ADV7180_INPUT_CVBS_AIN2 0x01
154#define ADV7180_INPUT_CVBS_AIN3 0x02
155#define ADV7180_INPUT_CVBS_AIN4 0x03
156#define ADV7180_INPUT_CVBS_AIN5 0x04
157#define ADV7180_INPUT_CVBS_AIN6 0x05
158#define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
159#define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
160#define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
161#define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
162#define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
163
164#define ADV7182_INPUT_CVBS_AIN1 0x00
165#define ADV7182_INPUT_CVBS_AIN2 0x01
166#define ADV7182_INPUT_CVBS_AIN3 0x02
167#define ADV7182_INPUT_CVBS_AIN4 0x03
168#define ADV7182_INPUT_CVBS_AIN5 0x04
169#define ADV7182_INPUT_CVBS_AIN6 0x05
170#define ADV7182_INPUT_CVBS_AIN7 0x06
171#define ADV7182_INPUT_CVBS_AIN8 0x07
172#define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
173#define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
174#define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
175#define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
176#define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
177#define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
178#define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
179#define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
180#define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
181#define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
182
183#define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
184#define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
185
186#define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
187
188/* Initial number of frames to skip to avoid possible garbage */
189#define ADV7180_NUM_OF_SKIP_FRAMES 2
190
191struct adv7180_state;
192
193#define ADV7180_FLAG_RESET_POWERED BIT(0)
194#define ADV7180_FLAG_V2 BIT(1)
195#define ADV7180_FLAG_MIPI_CSI2 BIT(2)
196#define ADV7180_FLAG_I2P BIT(3)
197
198struct adv7180_chip_info {
199 unsigned int flags;
200 unsigned int valid_input_mask;
201 int (*set_std)(struct adv7180_state *st, unsigned int std);
202 int (*select_input)(struct adv7180_state *st, unsigned int input);
203 int (*init)(struct adv7180_state *state);
204};
205
206struct adv7180_state {
207 struct v4l2_ctrl_handler ctrl_hdl;
208 struct v4l2_subdev sd;
209 struct media_pad pad;
210 struct mutex mutex; /* mutual excl. when accessing chip */
211 int irq;
212 struct gpio_desc *pwdn_gpio;
213 struct gpio_desc *rst_gpio;
214 v4l2_std_id curr_norm;
215 bool powered;
216 bool streaming;
217 u8 input;
218
219 struct i2c_client *client;
220 unsigned int register_page;
221 struct i2c_client *csi_client;
222 struct i2c_client *vpp_client;
223 const struct adv7180_chip_info *chip_info;
224 enum v4l2_field field;
225 bool force_bt656_4;
226};
227#define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
228 struct adv7180_state, \
229 ctrl_hdl)->sd)
230
231static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
232{
233 if (state->register_page != page) {
234 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
235 page);
236 state->register_page = page;
237 }
238
239 return 0;
240}
241
242static int adv7180_write(struct adv7180_state *state, unsigned int reg,
243 unsigned int value)
244{
245 lockdep_assert_held(&state->mutex);
246 adv7180_select_page(state, reg >> 8);
247 return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
248}
249
250static int adv7180_read(struct adv7180_state *state, unsigned int reg)
251{
252 lockdep_assert_held(&state->mutex);
253 adv7180_select_page(state, reg >> 8);
254 return i2c_smbus_read_byte_data(state->client, reg & 0xff);
255}
256
257static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
258 unsigned int value)
259{
260 return i2c_smbus_write_byte_data(state->csi_client, reg, value);
261}
262
263static int adv7180_set_video_standard(struct adv7180_state *state,
264 unsigned int std)
265{
266 return state->chip_info->set_std(state, std);
267}
268
269static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
270 unsigned int value)
271{
272 return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
273}
274
275static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
276{
277 /* in case V4L2_IN_ST_NO_SIGNAL */
278 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
279 return V4L2_STD_UNKNOWN;
280
281 switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
282 case ADV7180_STATUS1_AUTOD_NTSM_M_J:
283 return V4L2_STD_NTSC;
284 case ADV7180_STATUS1_AUTOD_NTSC_4_43:
285 return V4L2_STD_NTSC_443;
286 case ADV7180_STATUS1_AUTOD_PAL_M:
287 return V4L2_STD_PAL_M;
288 case ADV7180_STATUS1_AUTOD_PAL_60:
289 return V4L2_STD_PAL_60;
290 case ADV7180_STATUS1_AUTOD_PAL_B_G:
291 return V4L2_STD_PAL;
292 case ADV7180_STATUS1_AUTOD_SECAM:
293 return V4L2_STD_SECAM;
294 case ADV7180_STATUS1_AUTOD_PAL_COMB:
295 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
296 case ADV7180_STATUS1_AUTOD_SECAM_525:
297 return V4L2_STD_SECAM;
298 default:
299 return V4L2_STD_UNKNOWN;
300 }
301}
302
303static int v4l2_std_to_adv7180(v4l2_std_id std)
304{
305 if (std == V4L2_STD_PAL_60)
306 return ADV7180_STD_PAL60;
307 if (std == V4L2_STD_NTSC_443)
308 return ADV7180_STD_NTSC_443;
309 if (std == V4L2_STD_PAL_N)
310 return ADV7180_STD_PAL_N;
311 if (std == V4L2_STD_PAL_M)
312 return ADV7180_STD_PAL_M;
313 if (std == V4L2_STD_PAL_Nc)
314 return ADV7180_STD_PAL_COMB_N;
315
316 if (std & V4L2_STD_PAL)
317 return ADV7180_STD_PAL_BG;
318 if (std & V4L2_STD_NTSC)
319 return ADV7180_STD_NTSC_M;
320 if (std & V4L2_STD_SECAM)
321 return ADV7180_STD_PAL_SECAM;
322
323 return -EINVAL;
324}
325
326static u32 adv7180_status_to_v4l2(u8 status1)
327{
328 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
329 return V4L2_IN_ST_NO_SIGNAL;
330
331 return 0;
332}
333
334static int __adv7180_status(struct adv7180_state *state, u32 *status,
335 v4l2_std_id *std)
336{
337 int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
338
339 if (status1 < 0)
340 return status1;
341
342 if (status)
343 *status = adv7180_status_to_v4l2(status1);
344 if (std)
345 *std = adv7180_std_to_v4l2(status1);
346
347 return 0;
348}
349
350static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
351{
352 return container_of(sd, struct adv7180_state, sd);
353}
354
355static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
356{
357 struct adv7180_state *state = to_state(sd);
358 int err = mutex_lock_interruptible(&state->mutex);
359 if (err)
360 return err;
361
362 if (state->streaming) {
363 err = -EBUSY;
364 goto unlock;
365 }
366
367 err = adv7180_set_video_standard(state,
368 ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
369 if (err)
370 goto unlock;
371
372 msleep(100);
373 __adv7180_status(state, NULL, std);
374
375 err = v4l2_std_to_adv7180(state->curr_norm);
376 if (err < 0)
377 goto unlock;
378
379 err = adv7180_set_video_standard(state, err);
380
381unlock:
382 mutex_unlock(&state->mutex);
383 return err;
384}
385
386static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
387 u32 output, u32 config)
388{
389 struct adv7180_state *state = to_state(sd);
390 int ret = mutex_lock_interruptible(&state->mutex);
391
392 if (ret)
393 return ret;
394
395 if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
396 ret = -EINVAL;
397 goto out;
398 }
399
400 ret = state->chip_info->select_input(state, input);
401
402 if (ret == 0)
403 state->input = input;
404out:
405 mutex_unlock(&state->mutex);
406 return ret;
407}
408
409static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
410{
411 struct adv7180_state *state = to_state(sd);
412 int ret = mutex_lock_interruptible(&state->mutex);
413 if (ret)
414 return ret;
415
416 ret = __adv7180_status(state, status, NULL);
417 mutex_unlock(&state->mutex);
418 return ret;
419}
420
421static int adv7180_program_std(struct adv7180_state *state)
422{
423 int ret;
424
425 ret = v4l2_std_to_adv7180(state->curr_norm);
426 if (ret < 0)
427 return ret;
428
429 ret = adv7180_set_video_standard(state, ret);
430 if (ret < 0)
431 return ret;
432 return 0;
433}
434
435static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
436{
437 struct adv7180_state *state = to_state(sd);
438 int ret = mutex_lock_interruptible(&state->mutex);
439
440 if (ret)
441 return ret;
442
443 /* Make sure we can support this std */
444 ret = v4l2_std_to_adv7180(std);
445 if (ret < 0)
446 goto out;
447
448 state->curr_norm = std;
449
450 ret = adv7180_program_std(state);
451out:
452 mutex_unlock(&state->mutex);
453 return ret;
454}
455
456static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
457{
458 struct adv7180_state *state = to_state(sd);
459
460 *norm = state->curr_norm;
461
462 return 0;
463}
464
465static int adv7180_g_frame_interval(struct v4l2_subdev *sd,
466 struct v4l2_subdev_frame_interval *fi)
467{
468 struct adv7180_state *state = to_state(sd);
469
470 if (state->curr_norm & V4L2_STD_525_60) {
471 fi->interval.numerator = 1001;
472 fi->interval.denominator = 30000;
473 } else {
474 fi->interval.numerator = 1;
475 fi->interval.denominator = 25;
476 }
477
478 return 0;
479}
480
481static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
482{
483 if (!state->pwdn_gpio)
484 return;
485
486 if (on) {
487 gpiod_set_value_cansleep(state->pwdn_gpio, 0);
488 usleep_range(5000, 10000);
489 } else {
490 gpiod_set_value_cansleep(state->pwdn_gpio, 1);
491 }
492}
493
494static void adv7180_set_reset_pin(struct adv7180_state *state, bool on)
495{
496 if (!state->rst_gpio)
497 return;
498
499 if (on) {
500 gpiod_set_value_cansleep(state->rst_gpio, 1);
501 } else {
502 gpiod_set_value_cansleep(state->rst_gpio, 0);
503 usleep_range(5000, 10000);
504 }
505}
506
507static int adv7180_set_power(struct adv7180_state *state, bool on)
508{
509 u8 val;
510 int ret;
511
512 if (on)
513 val = ADV7180_PWR_MAN_ON;
514 else
515 val = ADV7180_PWR_MAN_OFF;
516
517 ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
518 if (ret)
519 return ret;
520
521 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
522 if (on) {
523 adv7180_csi_write(state, 0xDE, 0x02);
524 adv7180_csi_write(state, 0xD2, 0xF7);
525 adv7180_csi_write(state, 0xD8, 0x65);
526 adv7180_csi_write(state, 0xE0, 0x09);
527 adv7180_csi_write(state, 0x2C, 0x00);
528 if (state->field == V4L2_FIELD_NONE)
529 adv7180_csi_write(state, 0x1D, 0x80);
530 adv7180_csi_write(state, 0x00, 0x00);
531 } else {
532 adv7180_csi_write(state, 0x00, 0x80);
533 }
534 }
535
536 return 0;
537}
538
539static int adv7180_s_power(struct v4l2_subdev *sd, int on)
540{
541 struct adv7180_state *state = to_state(sd);
542 int ret;
543
544 ret = mutex_lock_interruptible(&state->mutex);
545 if (ret)
546 return ret;
547
548 ret = adv7180_set_power(state, on);
549 if (ret == 0)
550 state->powered = on;
551
552 mutex_unlock(&state->mutex);
553 return ret;
554}
555
556static const char * const test_pattern_menu[] = {
557 "Single color",
558 "Color bars",
559 "Luma ramp",
560 "Boundary box",
561 "Disable",
562};
563
564static int adv7180_test_pattern(struct adv7180_state *state, int value)
565{
566 unsigned int reg = 0;
567
568 /* Map menu value into register value */
569 if (value < 3)
570 reg = value;
571 if (value == 3)
572 reg = 5;
573
574 adv7180_write(state, ADV7180_REG_ANALOG_CLAMP_CTL, reg);
575
576 if (value == ARRAY_SIZE(test_pattern_menu) - 1) {
577 reg = adv7180_read(state, ADV7180_REG_DEF_VALUE_Y);
578 reg &= ~ADV7180_DEF_VAL_EN;
579 adv7180_write(state, ADV7180_REG_DEF_VALUE_Y, reg);
580 return 0;
581 }
582
583 reg = adv7180_read(state, ADV7180_REG_DEF_VALUE_Y);
584 reg |= ADV7180_DEF_VAL_EN | ADV7180_DEF_VAL_AUTO_EN;
585 adv7180_write(state, ADV7180_REG_DEF_VALUE_Y, reg);
586
587 return 0;
588}
589
590static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
591{
592 struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
593 struct adv7180_state *state = to_state(sd);
594 int ret = mutex_lock_interruptible(&state->mutex);
595 int val;
596
597 if (ret)
598 return ret;
599 val = ctrl->val;
600 switch (ctrl->id) {
601 case V4L2_CID_BRIGHTNESS:
602 ret = adv7180_write(state, ADV7180_REG_BRI, val);
603 break;
604 case V4L2_CID_HUE:
605 /*Hue is inverted according to HSL chart */
606 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
607 break;
608 case V4L2_CID_CONTRAST:
609 ret = adv7180_write(state, ADV7180_REG_CON, val);
610 break;
611 case V4L2_CID_SATURATION:
612 /*
613 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
614 *Let's not confuse the user, everybody understands saturation
615 */
616 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
617 if (ret < 0)
618 break;
619 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
620 break;
621 case V4L2_CID_ADV_FAST_SWITCH:
622 if (ctrl->val) {
623 /* ADI required write */
624 adv7180_write(state, 0x80d9, 0x44);
625 adv7180_write(state, ADV7180_REG_FLCONTROL,
626 ADV7180_FLCONTROL_FL_ENABLE);
627 } else {
628 /* ADI required write */
629 adv7180_write(state, 0x80d9, 0xc4);
630 adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
631 }
632 break;
633 case V4L2_CID_TEST_PATTERN:
634 ret = adv7180_test_pattern(state, val);
635 break;
636 default:
637 ret = -EINVAL;
638 }
639
640 mutex_unlock(&state->mutex);
641 return ret;
642}
643
644static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
645 .s_ctrl = adv7180_s_ctrl,
646};
647
648static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
649 .ops = &adv7180_ctrl_ops,
650 .id = V4L2_CID_ADV_FAST_SWITCH,
651 .name = "Fast Switching",
652 .type = V4L2_CTRL_TYPE_BOOLEAN,
653 .min = 0,
654 .max = 1,
655 .step = 1,
656};
657
658static int adv7180_init_controls(struct adv7180_state *state)
659{
660 v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
661
662 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
663 V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
664 ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
665 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
666 V4L2_CID_CONTRAST, ADV7180_CON_MIN,
667 ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
668 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
669 V4L2_CID_SATURATION, ADV7180_SAT_MIN,
670 ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
671 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
672 V4L2_CID_HUE, ADV7180_HUE_MIN,
673 ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
674 v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
675
676 v4l2_ctrl_new_std_menu_items(&state->ctrl_hdl, &adv7180_ctrl_ops,
677 V4L2_CID_TEST_PATTERN,
678 ARRAY_SIZE(test_pattern_menu) - 1,
679 0, ARRAY_SIZE(test_pattern_menu) - 1,
680 test_pattern_menu);
681
682 state->sd.ctrl_handler = &state->ctrl_hdl;
683 if (state->ctrl_hdl.error) {
684 int err = state->ctrl_hdl.error;
685
686 v4l2_ctrl_handler_free(&state->ctrl_hdl);
687 return err;
688 }
689 v4l2_ctrl_handler_setup(&state->ctrl_hdl);
690
691 return 0;
692}
693static void adv7180_exit_controls(struct adv7180_state *state)
694{
695 v4l2_ctrl_handler_free(&state->ctrl_hdl);
696}
697
698static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
699 struct v4l2_subdev_state *sd_state,
700 struct v4l2_subdev_mbus_code_enum *code)
701{
702 if (code->index != 0)
703 return -EINVAL;
704
705 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
706
707 return 0;
708}
709
710static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
711 struct v4l2_mbus_framefmt *fmt)
712{
713 struct adv7180_state *state = to_state(sd);
714
715 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
716 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
717 fmt->width = 720;
718 fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
719
720 if (state->field == V4L2_FIELD_ALTERNATE)
721 fmt->height /= 2;
722
723 return 0;
724}
725
726static int adv7180_set_field_mode(struct adv7180_state *state)
727{
728 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
729 return 0;
730
731 if (state->field == V4L2_FIELD_NONE) {
732 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
733 adv7180_csi_write(state, 0x01, 0x20);
734 adv7180_csi_write(state, 0x02, 0x28);
735 adv7180_csi_write(state, 0x03, 0x38);
736 adv7180_csi_write(state, 0x04, 0x30);
737 adv7180_csi_write(state, 0x05, 0x30);
738 adv7180_csi_write(state, 0x06, 0x80);
739 adv7180_csi_write(state, 0x07, 0x70);
740 adv7180_csi_write(state, 0x08, 0x50);
741 }
742 adv7180_vpp_write(state, 0xa3, 0x00);
743 adv7180_vpp_write(state, 0x5b, 0x00);
744 adv7180_vpp_write(state, 0x55, 0x80);
745 } else {
746 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
747 adv7180_csi_write(state, 0x01, 0x18);
748 adv7180_csi_write(state, 0x02, 0x18);
749 adv7180_csi_write(state, 0x03, 0x30);
750 adv7180_csi_write(state, 0x04, 0x20);
751 adv7180_csi_write(state, 0x05, 0x28);
752 adv7180_csi_write(state, 0x06, 0x40);
753 adv7180_csi_write(state, 0x07, 0x58);
754 adv7180_csi_write(state, 0x08, 0x30);
755 }
756 adv7180_vpp_write(state, 0xa3, 0x70);
757 adv7180_vpp_write(state, 0x5b, 0x80);
758 adv7180_vpp_write(state, 0x55, 0x00);
759 }
760
761 return 0;
762}
763
764static int adv7180_get_pad_format(struct v4l2_subdev *sd,
765 struct v4l2_subdev_state *sd_state,
766 struct v4l2_subdev_format *format)
767{
768 struct adv7180_state *state = to_state(sd);
769
770 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
771 format->format = *v4l2_subdev_get_try_format(sd, sd_state, 0);
772 } else {
773 adv7180_mbus_fmt(sd, &format->format);
774 format->format.field = state->field;
775 }
776
777 return 0;
778}
779
780static int adv7180_set_pad_format(struct v4l2_subdev *sd,
781 struct v4l2_subdev_state *sd_state,
782 struct v4l2_subdev_format *format)
783{
784 struct adv7180_state *state = to_state(sd);
785 struct v4l2_mbus_framefmt *framefmt;
786 int ret;
787
788 switch (format->format.field) {
789 case V4L2_FIELD_NONE:
790 if (state->chip_info->flags & ADV7180_FLAG_I2P)
791 break;
792 fallthrough;
793 default:
794 format->format.field = V4L2_FIELD_ALTERNATE;
795 break;
796 }
797
798 ret = adv7180_mbus_fmt(sd, &format->format);
799
800 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
801 if (state->field != format->format.field) {
802 state->field = format->format.field;
803 adv7180_set_power(state, false);
804 adv7180_set_field_mode(state);
805 adv7180_set_power(state, true);
806 }
807 } else {
808 framefmt = v4l2_subdev_get_try_format(sd, sd_state, 0);
809 *framefmt = format->format;
810 }
811
812 return ret;
813}
814
815static int adv7180_init_cfg(struct v4l2_subdev *sd,
816 struct v4l2_subdev_state *sd_state)
817{
818 struct v4l2_subdev_format fmt = {
819 .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY
820 : V4L2_SUBDEV_FORMAT_ACTIVE,
821 };
822
823 return adv7180_set_pad_format(sd, sd_state, &fmt);
824}
825
826static int adv7180_get_mbus_config(struct v4l2_subdev *sd,
827 unsigned int pad,
828 struct v4l2_mbus_config *cfg)
829{
830 struct adv7180_state *state = to_state(sd);
831
832 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
833 cfg->type = V4L2_MBUS_CSI2_DPHY;
834 cfg->bus.mipi_csi2.num_data_lanes = 1;
835 cfg->bus.mipi_csi2.flags = 0;
836 } else {
837 /*
838 * The ADV7180 sensor supports BT.601/656 output modes.
839 * The BT.656 is default and not yet configurable by s/w.
840 */
841 cfg->bus.parallel.flags = V4L2_MBUS_MASTER |
842 V4L2_MBUS_PCLK_SAMPLE_RISING |
843 V4L2_MBUS_DATA_ACTIVE_HIGH;
844 cfg->type = V4L2_MBUS_BT656;
845 }
846
847 return 0;
848}
849
850static int adv7180_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
851{
852 *frames = ADV7180_NUM_OF_SKIP_FRAMES;
853
854 return 0;
855}
856
857static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
858{
859 struct adv7180_state *state = to_state(sd);
860
861 if (state->curr_norm & V4L2_STD_525_60) {
862 aspect->numerator = 11;
863 aspect->denominator = 10;
864 } else {
865 aspect->numerator = 54;
866 aspect->denominator = 59;
867 }
868
869 return 0;
870}
871
872static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
873{
874 *norm = V4L2_STD_ALL;
875 return 0;
876}
877
878static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
879{
880 struct adv7180_state *state = to_state(sd);
881 int ret;
882
883 /* It's always safe to stop streaming, no need to take the lock */
884 if (!enable) {
885 state->streaming = enable;
886 return 0;
887 }
888
889 /* Must wait until querystd released the lock */
890 ret = mutex_lock_interruptible(&state->mutex);
891 if (ret)
892 return ret;
893 state->streaming = enable;
894 mutex_unlock(&state->mutex);
895 return 0;
896}
897
898static int adv7180_subscribe_event(struct v4l2_subdev *sd,
899 struct v4l2_fh *fh,
900 struct v4l2_event_subscription *sub)
901{
902 switch (sub->type) {
903 case V4L2_EVENT_SOURCE_CHANGE:
904 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
905 case V4L2_EVENT_CTRL:
906 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
907 default:
908 return -EINVAL;
909 }
910}
911
912static const struct v4l2_subdev_video_ops adv7180_video_ops = {
913 .s_std = adv7180_s_std,
914 .g_std = adv7180_g_std,
915 .g_frame_interval = adv7180_g_frame_interval,
916 .querystd = adv7180_querystd,
917 .g_input_status = adv7180_g_input_status,
918 .s_routing = adv7180_s_routing,
919 .g_pixelaspect = adv7180_g_pixelaspect,
920 .g_tvnorms = adv7180_g_tvnorms,
921 .s_stream = adv7180_s_stream,
922};
923
924static const struct v4l2_subdev_core_ops adv7180_core_ops = {
925 .s_power = adv7180_s_power,
926 .subscribe_event = adv7180_subscribe_event,
927 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
928};
929
930static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
931 .init_cfg = adv7180_init_cfg,
932 .enum_mbus_code = adv7180_enum_mbus_code,
933 .set_fmt = adv7180_set_pad_format,
934 .get_fmt = adv7180_get_pad_format,
935 .get_mbus_config = adv7180_get_mbus_config,
936};
937
938static const struct v4l2_subdev_sensor_ops adv7180_sensor_ops = {
939 .g_skip_frames = adv7180_get_skip_frames,
940};
941
942static const struct v4l2_subdev_ops adv7180_ops = {
943 .core = &adv7180_core_ops,
944 .video = &adv7180_video_ops,
945 .pad = &adv7180_pad_ops,
946 .sensor = &adv7180_sensor_ops,
947};
948
949static irqreturn_t adv7180_irq(int irq, void *devid)
950{
951 struct adv7180_state *state = devid;
952 u8 isr3;
953
954 mutex_lock(&state->mutex);
955 isr3 = adv7180_read(state, ADV7180_REG_ISR3);
956 /* clear */
957 adv7180_write(state, ADV7180_REG_ICR3, isr3);
958
959 if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
960 static const struct v4l2_event src_ch = {
961 .type = V4L2_EVENT_SOURCE_CHANGE,
962 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
963 };
964
965 v4l2_subdev_notify_event(&state->sd, &src_ch);
966 }
967 mutex_unlock(&state->mutex);
968
969 return IRQ_HANDLED;
970}
971
972static int adv7180_init(struct adv7180_state *state)
973{
974 int ret;
975
976 /* ITU-R BT.656-4 compatible */
977 ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
978 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
979 if (ret < 0)
980 return ret;
981
982 /* Manually set V bit end position in NTSC mode */
983 return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
984 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
985}
986
987static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
988{
989 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
990 (std << 4) | state->input);
991}
992
993static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
994{
995 int ret;
996
997 ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
998 if (ret < 0)
999 return ret;
1000
1001 ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
1002 ret |= input;
1003 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
1004}
1005
1006static int adv7182_init(struct adv7180_state *state)
1007{
1008 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1009 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
1010 ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
1011
1012 if (state->chip_info->flags & ADV7180_FLAG_I2P)
1013 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
1014 ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
1015
1016 if (state->chip_info->flags & ADV7180_FLAG_V2) {
1017 /* ADI recommended writes for improved video quality */
1018 adv7180_write(state, 0x0080, 0x51);
1019 adv7180_write(state, 0x0081, 0x51);
1020 adv7180_write(state, 0x0082, 0x68);
1021 }
1022
1023 /* ADI required writes */
1024 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1025 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
1026 adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
1027 adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
1028 } else {
1029 if (state->chip_info->flags & ADV7180_FLAG_V2) {
1030 if (state->force_bt656_4) {
1031 /* ITU-R BT.656-4 compatible */
1032 adv7180_write(state,
1033 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1034 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
1035 /* Manually set NEWAVMODE */
1036 adv7180_write(state,
1037 ADV7180_REG_VSYNC_FIELD_CTL_1,
1038 ADV7180_VSYNC_FIELD_CTL_1_NEWAV);
1039 /* Manually set V bit end position in NTSC mode */
1040 adv7180_write(state,
1041 ADV7180_REG_NTSC_V_BIT_END,
1042 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
1043 } else {
1044 adv7180_write(state,
1045 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1046 0x17);
1047 }
1048 }
1049 else
1050 adv7180_write(state,
1051 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1052 0x07);
1053 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
1054 adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
1055 }
1056
1057 adv7180_write(state, 0x0013, 0x00);
1058
1059 return 0;
1060}
1061
1062static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
1063{
1064 /* Failing to set the reserved bit can result in increased video noise */
1065 return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL,
1066 (std << 4) | ADV7182_REG_INPUT_RESERVED);
1067}
1068
1069enum adv7182_input_type {
1070 ADV7182_INPUT_TYPE_CVBS,
1071 ADV7182_INPUT_TYPE_DIFF_CVBS,
1072 ADV7182_INPUT_TYPE_SVIDEO,
1073 ADV7182_INPUT_TYPE_YPBPR,
1074};
1075
1076static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
1077{
1078 switch (input) {
1079 case ADV7182_INPUT_CVBS_AIN1:
1080 case ADV7182_INPUT_CVBS_AIN2:
1081 case ADV7182_INPUT_CVBS_AIN3:
1082 case ADV7182_INPUT_CVBS_AIN4:
1083 case ADV7182_INPUT_CVBS_AIN5:
1084 case ADV7182_INPUT_CVBS_AIN6:
1085 case ADV7182_INPUT_CVBS_AIN7:
1086 case ADV7182_INPUT_CVBS_AIN8:
1087 return ADV7182_INPUT_TYPE_CVBS;
1088 case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
1089 case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
1090 case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
1091 case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
1092 return ADV7182_INPUT_TYPE_SVIDEO;
1093 case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
1094 case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
1095 return ADV7182_INPUT_TYPE_YPBPR;
1096 case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
1097 case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
1098 case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
1099 case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
1100 return ADV7182_INPUT_TYPE_DIFF_CVBS;
1101 default: /* Will never happen */
1102 return 0;
1103 }
1104}
1105
1106/* ADI recommended writes to registers 0x52, 0x53, 0x54 */
1107static unsigned int adv7182_lbias_settings[][3] = {
1108 [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
1109 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1110 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1111 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1112};
1113
1114static unsigned int adv7280_lbias_settings[][3] = {
1115 [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
1116 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1117 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1118 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1119};
1120
1121static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
1122{
1123 enum adv7182_input_type input_type;
1124 unsigned int *lbias;
1125 unsigned int i;
1126 int ret;
1127
1128 ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
1129 if (ret)
1130 return ret;
1131
1132 /* Reset clamp circuitry - ADI recommended writes */
1133 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
1134 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
1135
1136 input_type = adv7182_get_input_type(input);
1137
1138 switch (input_type) {
1139 case ADV7182_INPUT_TYPE_CVBS:
1140 case ADV7182_INPUT_TYPE_DIFF_CVBS:
1141 /* ADI recommends to use the SH1 filter */
1142 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
1143 break;
1144 default:
1145 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
1146 break;
1147 }
1148
1149 if (state->chip_info->flags & ADV7180_FLAG_V2)
1150 lbias = adv7280_lbias_settings[input_type];
1151 else
1152 lbias = adv7182_lbias_settings[input_type];
1153
1154 for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
1155 adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
1156
1157 if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1158 /* ADI required writes to make differential CVBS work */
1159 adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
1160 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
1161 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
1162 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
1163 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
1164 } else {
1165 adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
1166 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
1167 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
1168 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
1169 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
1170 }
1171
1172 return 0;
1173}
1174
1175static const struct adv7180_chip_info adv7180_info = {
1176 .flags = ADV7180_FLAG_RESET_POWERED,
1177 /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1178 * all inputs and let the card driver take care of validation
1179 */
1180 .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1181 BIT(ADV7180_INPUT_CVBS_AIN2) |
1182 BIT(ADV7180_INPUT_CVBS_AIN3) |
1183 BIT(ADV7180_INPUT_CVBS_AIN4) |
1184 BIT(ADV7180_INPUT_CVBS_AIN5) |
1185 BIT(ADV7180_INPUT_CVBS_AIN6) |
1186 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1187 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1188 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1189 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1190 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1191 .init = adv7180_init,
1192 .set_std = adv7180_set_std,
1193 .select_input = adv7180_select_input,
1194};
1195
1196static const struct adv7180_chip_info adv7182_info = {
1197 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1198 BIT(ADV7182_INPUT_CVBS_AIN2) |
1199 BIT(ADV7182_INPUT_CVBS_AIN3) |
1200 BIT(ADV7182_INPUT_CVBS_AIN4) |
1201 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1202 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1203 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1204 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1205 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1206 .init = adv7182_init,
1207 .set_std = adv7182_set_std,
1208 .select_input = adv7182_select_input,
1209};
1210
1211static const struct adv7180_chip_info adv7280_info = {
1212 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1213 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1214 BIT(ADV7182_INPUT_CVBS_AIN2) |
1215 BIT(ADV7182_INPUT_CVBS_AIN3) |
1216 BIT(ADV7182_INPUT_CVBS_AIN4) |
1217 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1218 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1219 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1220 .init = adv7182_init,
1221 .set_std = adv7182_set_std,
1222 .select_input = adv7182_select_input,
1223};
1224
1225static const struct adv7180_chip_info adv7280_m_info = {
1226 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1227 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1228 BIT(ADV7182_INPUT_CVBS_AIN2) |
1229 BIT(ADV7182_INPUT_CVBS_AIN3) |
1230 BIT(ADV7182_INPUT_CVBS_AIN4) |
1231 BIT(ADV7182_INPUT_CVBS_AIN5) |
1232 BIT(ADV7182_INPUT_CVBS_AIN6) |
1233 BIT(ADV7182_INPUT_CVBS_AIN7) |
1234 BIT(ADV7182_INPUT_CVBS_AIN8) |
1235 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1236 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1237 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1238 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1239 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1240 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1241 .init = adv7182_init,
1242 .set_std = adv7182_set_std,
1243 .select_input = adv7182_select_input,
1244};
1245
1246static const struct adv7180_chip_info adv7281_info = {
1247 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1248 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1249 BIT(ADV7182_INPUT_CVBS_AIN2) |
1250 BIT(ADV7182_INPUT_CVBS_AIN7) |
1251 BIT(ADV7182_INPUT_CVBS_AIN8) |
1252 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1253 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1254 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1255 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1256 .init = adv7182_init,
1257 .set_std = adv7182_set_std,
1258 .select_input = adv7182_select_input,
1259};
1260
1261static const struct adv7180_chip_info adv7281_m_info = {
1262 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1263 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1264 BIT(ADV7182_INPUT_CVBS_AIN2) |
1265 BIT(ADV7182_INPUT_CVBS_AIN3) |
1266 BIT(ADV7182_INPUT_CVBS_AIN4) |
1267 BIT(ADV7182_INPUT_CVBS_AIN7) |
1268 BIT(ADV7182_INPUT_CVBS_AIN8) |
1269 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1270 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1271 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1272 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1273 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1274 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1275 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1276 .init = adv7182_init,
1277 .set_std = adv7182_set_std,
1278 .select_input = adv7182_select_input,
1279};
1280
1281static const struct adv7180_chip_info adv7281_ma_info = {
1282 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1283 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1284 BIT(ADV7182_INPUT_CVBS_AIN2) |
1285 BIT(ADV7182_INPUT_CVBS_AIN3) |
1286 BIT(ADV7182_INPUT_CVBS_AIN4) |
1287 BIT(ADV7182_INPUT_CVBS_AIN5) |
1288 BIT(ADV7182_INPUT_CVBS_AIN6) |
1289 BIT(ADV7182_INPUT_CVBS_AIN7) |
1290 BIT(ADV7182_INPUT_CVBS_AIN8) |
1291 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1292 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1293 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1294 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1295 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1296 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1297 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1298 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1299 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1300 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1301 .init = adv7182_init,
1302 .set_std = adv7182_set_std,
1303 .select_input = adv7182_select_input,
1304};
1305
1306static const struct adv7180_chip_info adv7282_info = {
1307 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1308 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1309 BIT(ADV7182_INPUT_CVBS_AIN2) |
1310 BIT(ADV7182_INPUT_CVBS_AIN7) |
1311 BIT(ADV7182_INPUT_CVBS_AIN8) |
1312 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1313 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1314 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1315 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1316 .init = adv7182_init,
1317 .set_std = adv7182_set_std,
1318 .select_input = adv7182_select_input,
1319};
1320
1321static const struct adv7180_chip_info adv7282_m_info = {
1322 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1323 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1324 BIT(ADV7182_INPUT_CVBS_AIN2) |
1325 BIT(ADV7182_INPUT_CVBS_AIN3) |
1326 BIT(ADV7182_INPUT_CVBS_AIN4) |
1327 BIT(ADV7182_INPUT_CVBS_AIN7) |
1328 BIT(ADV7182_INPUT_CVBS_AIN8) |
1329 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1330 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1331 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1332 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1333 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1334 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1335 .init = adv7182_init,
1336 .set_std = adv7182_set_std,
1337 .select_input = adv7182_select_input,
1338};
1339
1340static int init_device(struct adv7180_state *state)
1341{
1342 int ret;
1343
1344 mutex_lock(&state->mutex);
1345
1346 adv7180_set_power_pin(state, true);
1347 adv7180_set_reset_pin(state, false);
1348
1349 adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1350 usleep_range(5000, 10000);
1351
1352 ret = state->chip_info->init(state);
1353 if (ret)
1354 goto out_unlock;
1355
1356 ret = adv7180_program_std(state);
1357 if (ret)
1358 goto out_unlock;
1359
1360 adv7180_set_field_mode(state);
1361
1362 /* register for interrupts */
1363 if (state->irq > 0) {
1364 /* config the Interrupt pin to be active low */
1365 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1366 ADV7180_ICONF1_ACTIVE_LOW |
1367 ADV7180_ICONF1_PSYNC_ONLY);
1368 if (ret < 0)
1369 goto out_unlock;
1370
1371 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1372 if (ret < 0)
1373 goto out_unlock;
1374
1375 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1376 if (ret < 0)
1377 goto out_unlock;
1378
1379 /* enable AD change interrupts interrupts */
1380 ret = adv7180_write(state, ADV7180_REG_IMR3,
1381 ADV7180_IRQ3_AD_CHANGE);
1382 if (ret < 0)
1383 goto out_unlock;
1384
1385 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1386 if (ret < 0)
1387 goto out_unlock;
1388 }
1389
1390out_unlock:
1391 mutex_unlock(&state->mutex);
1392
1393 return ret;
1394}
1395
1396static int adv7180_probe(struct i2c_client *client,
1397 const struct i2c_device_id *id)
1398{
1399 struct device_node *np = client->dev.of_node;
1400 struct adv7180_state *state;
1401 struct v4l2_subdev *sd;
1402 int ret;
1403
1404 /* Check if the adapter supports the needed features */
1405 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1406 return -EIO;
1407
1408 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1409 if (state == NULL)
1410 return -ENOMEM;
1411
1412 state->client = client;
1413 state->field = V4L2_FIELD_ALTERNATE;
1414 state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1415
1416 state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
1417 GPIOD_OUT_HIGH);
1418 if (IS_ERR(state->pwdn_gpio)) {
1419 ret = PTR_ERR(state->pwdn_gpio);
1420 v4l_err(client, "request for power pin failed: %d\n", ret);
1421 return ret;
1422 }
1423
1424 state->rst_gpio = devm_gpiod_get_optional(&client->dev, "reset",
1425 GPIOD_OUT_HIGH);
1426 if (IS_ERR(state->rst_gpio)) {
1427 ret = PTR_ERR(state->rst_gpio);
1428 v4l_err(client, "request for reset pin failed: %d\n", ret);
1429 return ret;
1430 }
1431
1432 if (of_property_read_bool(np, "adv,force-bt656-4"))
1433 state->force_bt656_4 = true;
1434
1435 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1436 state->csi_client = i2c_new_dummy_device(client->adapter,
1437 ADV7180_DEFAULT_CSI_I2C_ADDR);
1438 if (IS_ERR(state->csi_client))
1439 return PTR_ERR(state->csi_client);
1440 }
1441
1442 if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1443 state->vpp_client = i2c_new_dummy_device(client->adapter,
1444 ADV7180_DEFAULT_VPP_I2C_ADDR);
1445 if (IS_ERR(state->vpp_client)) {
1446 ret = PTR_ERR(state->vpp_client);
1447 goto err_unregister_csi_client;
1448 }
1449 }
1450
1451 state->irq = client->irq;
1452 mutex_init(&state->mutex);
1453 state->curr_norm = V4L2_STD_NTSC;
1454 if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1455 state->powered = true;
1456 else
1457 state->powered = false;
1458 state->input = 0;
1459 sd = &state->sd;
1460 v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1461 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1462
1463 ret = adv7180_init_controls(state);
1464 if (ret)
1465 goto err_unregister_vpp_client;
1466
1467 state->pad.flags = MEDIA_PAD_FL_SOURCE;
1468 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1469 ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1470 if (ret)
1471 goto err_free_ctrl;
1472
1473 ret = init_device(state);
1474 if (ret)
1475 goto err_media_entity_cleanup;
1476
1477 if (state->irq) {
1478 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1479 IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1480 KBUILD_MODNAME, state);
1481 if (ret)
1482 goto err_media_entity_cleanup;
1483 }
1484
1485 ret = v4l2_async_register_subdev(sd);
1486 if (ret)
1487 goto err_free_irq;
1488
1489 mutex_lock(&state->mutex);
1490 ret = adv7180_read(state, ADV7180_REG_IDENT);
1491 mutex_unlock(&state->mutex);
1492 if (ret < 0)
1493 goto err_v4l2_async_unregister;
1494
1495 v4l_info(client, "chip id 0x%x found @ 0x%02x (%s)\n",
1496 ret, client->addr, client->adapter->name);
1497
1498 return 0;
1499
1500err_v4l2_async_unregister:
1501 v4l2_async_unregister_subdev(sd);
1502err_free_irq:
1503 if (state->irq > 0)
1504 free_irq(client->irq, state);
1505err_media_entity_cleanup:
1506 media_entity_cleanup(&sd->entity);
1507err_free_ctrl:
1508 adv7180_exit_controls(state);
1509err_unregister_vpp_client:
1510 i2c_unregister_device(state->vpp_client);
1511err_unregister_csi_client:
1512 i2c_unregister_device(state->csi_client);
1513 mutex_destroy(&state->mutex);
1514 return ret;
1515}
1516
1517static void adv7180_remove(struct i2c_client *client)
1518{
1519 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1520 struct adv7180_state *state = to_state(sd);
1521
1522 v4l2_async_unregister_subdev(sd);
1523
1524 if (state->irq > 0)
1525 free_irq(client->irq, state);
1526
1527 media_entity_cleanup(&sd->entity);
1528 adv7180_exit_controls(state);
1529
1530 i2c_unregister_device(state->vpp_client);
1531 i2c_unregister_device(state->csi_client);
1532
1533 adv7180_set_reset_pin(state, true);
1534 adv7180_set_power_pin(state, false);
1535
1536 mutex_destroy(&state->mutex);
1537}
1538
1539static const struct i2c_device_id adv7180_id[] = {
1540 { "adv7180", (kernel_ulong_t)&adv7180_info },
1541 { "adv7180cp", (kernel_ulong_t)&adv7180_info },
1542 { "adv7180st", (kernel_ulong_t)&adv7180_info },
1543 { "adv7182", (kernel_ulong_t)&adv7182_info },
1544 { "adv7280", (kernel_ulong_t)&adv7280_info },
1545 { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1546 { "adv7281", (kernel_ulong_t)&adv7281_info },
1547 { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1548 { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1549 { "adv7282", (kernel_ulong_t)&adv7282_info },
1550 { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1551 {},
1552};
1553MODULE_DEVICE_TABLE(i2c, adv7180_id);
1554
1555#ifdef CONFIG_PM_SLEEP
1556static int adv7180_suspend(struct device *dev)
1557{
1558 struct v4l2_subdev *sd = dev_get_drvdata(dev);
1559 struct adv7180_state *state = to_state(sd);
1560
1561 return adv7180_set_power(state, false);
1562}
1563
1564static int adv7180_resume(struct device *dev)
1565{
1566 struct v4l2_subdev *sd = dev_get_drvdata(dev);
1567 struct adv7180_state *state = to_state(sd);
1568 int ret;
1569
1570 ret = init_device(state);
1571 if (ret < 0)
1572 return ret;
1573
1574 ret = adv7180_set_power(state, state->powered);
1575 if (ret)
1576 return ret;
1577
1578 return 0;
1579}
1580
1581static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1582#define ADV7180_PM_OPS (&adv7180_pm_ops)
1583
1584#else
1585#define ADV7180_PM_OPS NULL
1586#endif
1587
1588#ifdef CONFIG_OF
1589static const struct of_device_id adv7180_of_id[] = {
1590 { .compatible = "adi,adv7180", },
1591 { .compatible = "adi,adv7180cp", },
1592 { .compatible = "adi,adv7180st", },
1593 { .compatible = "adi,adv7182", },
1594 { .compatible = "adi,adv7280", },
1595 { .compatible = "adi,adv7280-m", },
1596 { .compatible = "adi,adv7281", },
1597 { .compatible = "adi,adv7281-m", },
1598 { .compatible = "adi,adv7281-ma", },
1599 { .compatible = "adi,adv7282", },
1600 { .compatible = "adi,adv7282-m", },
1601 { },
1602};
1603
1604MODULE_DEVICE_TABLE(of, adv7180_of_id);
1605#endif
1606
1607static struct i2c_driver adv7180_driver = {
1608 .driver = {
1609 .name = KBUILD_MODNAME,
1610 .pm = ADV7180_PM_OPS,
1611 .of_match_table = of_match_ptr(adv7180_of_id),
1612 },
1613 .probe = adv7180_probe,
1614 .remove = adv7180_remove,
1615 .id_table = adv7180_id,
1616};
1617
1618module_i2c_driver(adv7180_driver);
1619
1620MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1621MODULE_AUTHOR("Mocean Laboratories");
1622MODULE_LICENSE("GPL v2");