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treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / media / i2c / adv7180.c
blob6528e2343fc89f43dbea893a8850db74d7f65904
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
47 #define ADV7180_REG_OUTPUT_CONTROL 0x0003
48 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
49 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
50
51 #define ADV7180_REG_AUTODETECT_ENABLE 0x0007
52 #define ADV7180_AUTODETECT_DEFAULT 0x7f
53 /* Contrast */
54 #define ADV7180_REG_CON 0x0008 /*Unsigned */
55 #define ADV7180_CON_MIN 0
56 #define ADV7180_CON_DEF 128
57 #define ADV7180_CON_MAX 255
58 /* Brightness*/
59 #define ADV7180_REG_BRI 0x000a /*Signed */
60 #define ADV7180_BRI_MIN -128
61 #define ADV7180_BRI_DEF 0
62 #define ADV7180_BRI_MAX 127
63 /* Hue */
64 #define ADV7180_REG_HUE 0x000b /*Signed, inverted */
65 #define ADV7180_HUE_MIN -127
66 #define ADV7180_HUE_DEF 0
67 #define ADV7180_HUE_MAX 128
68
69 #define ADV7180_REG_CTRL 0x000e
70 #define ADV7180_CTRL_IRQ_SPACE 0x20
71
72 #define ADV7180_REG_PWR_MAN 0x0f
73 #define ADV7180_PWR_MAN_ON 0x04
74 #define ADV7180_PWR_MAN_OFF 0x24
75 #define ADV7180_PWR_MAN_RES 0x80
76
77 #define ADV7180_REG_STATUS1 0x0010
78 #define ADV7180_STATUS1_IN_LOCK 0x01
79 #define ADV7180_STATUS1_AUTOD_MASK 0x70
80 #define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
81 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
82 #define ADV7180_STATUS1_AUTOD_PAL_M 0x20
83 #define ADV7180_STATUS1_AUTOD_PAL_60 0x30
84 #define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
85 #define ADV7180_STATUS1_AUTOD_SECAM 0x50
86 #define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
87 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
88
89 #define ADV7180_REG_IDENT 0x0011
90 #define ADV7180_ID_7180 0x18
91
92 #define ADV7180_REG_STATUS3 0x0013
93 #define ADV7180_REG_ANALOG_CLAMP_CTL 0x0014
94 #define ADV7180_REG_SHAP_FILTER_CTL_1 0x0017
95 #define ADV7180_REG_CTRL_2 0x001d
96 #define ADV7180_REG_VSYNC_FIELD_CTL_1 0x0031
97 #define ADV7180_REG_MANUAL_WIN_CTL_1 0x003d
98 #define ADV7180_REG_MANUAL_WIN_CTL_2 0x003e
99 #define ADV7180_REG_MANUAL_WIN_CTL_3 0x003f
100 #define ADV7180_REG_LOCK_CNT 0x0051
101 #define ADV7180_REG_CVBS_TRIM 0x0052
102 #define ADV7180_REG_CLAMP_ADJ 0x005a
103 #define ADV7180_REG_RES_CIR 0x005f
104 #define ADV7180_REG_DIFF_MODE 0x0060
105
106 #define ADV7180_REG_ICONF1 0x2040
107 #define ADV7180_ICONF1_ACTIVE_LOW 0x01
108 #define ADV7180_ICONF1_PSYNC_ONLY 0x10
109 #define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
110 /* Saturation */
111 #define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
112 #define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
113 #define ADV7180_SAT_MIN 0
114 #define ADV7180_SAT_DEF 128
115 #define ADV7180_SAT_MAX 255
116
117 #define ADV7180_IRQ1_LOCK 0x01
118 #define ADV7180_IRQ1_UNLOCK 0x02
119 #define ADV7180_REG_ISR1 0x2042
120 #define ADV7180_REG_ICR1 0x2043
121 #define ADV7180_REG_IMR1 0x2044
122 #define ADV7180_REG_IMR2 0x2048
123 #define ADV7180_IRQ3_AD_CHANGE 0x08
124 #define ADV7180_REG_ISR3 0x204A
125 #define ADV7180_REG_ICR3 0x204B
126 #define ADV7180_REG_IMR3 0x204C
127 #define ADV7180_REG_IMR4 0x2050
128
129 #define ADV7180_REG_NTSC_V_BIT_END 0x00E6
130 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
131
132 #define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
133 #define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
134
135 #define ADV7180_REG_ACE_CTRL1 0x4080
136 #define ADV7180_REG_ACE_CTRL5 0x4084
137 #define ADV7180_REG_FLCONTROL 0x40e0
138 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
139
140 #define ADV7180_REG_RST_CLAMP 0x809c
141 #define ADV7180_REG_AGC_ADJ1 0x80b6
142 #define ADV7180_REG_AGC_ADJ2 0x80c0
143
144 #define ADV7180_CSI_REG_PWRDN 0x00
145 #define ADV7180_CSI_PWRDN 0x80
146
147 #define ADV7180_INPUT_CVBS_AIN1 0x00
148 #define ADV7180_INPUT_CVBS_AIN2 0x01
149 #define ADV7180_INPUT_CVBS_AIN3 0x02
150 #define ADV7180_INPUT_CVBS_AIN4 0x03
151 #define ADV7180_INPUT_CVBS_AIN5 0x04
152 #define ADV7180_INPUT_CVBS_AIN6 0x05
153 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
154 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
155 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
156 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
157 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
158
159 #define ADV7182_INPUT_CVBS_AIN1 0x00
160 #define ADV7182_INPUT_CVBS_AIN2 0x01
161 #define ADV7182_INPUT_CVBS_AIN3 0x02
162 #define ADV7182_INPUT_CVBS_AIN4 0x03
163 #define ADV7182_INPUT_CVBS_AIN5 0x04
164 #define ADV7182_INPUT_CVBS_AIN6 0x05
165 #define ADV7182_INPUT_CVBS_AIN7 0x06
166 #define ADV7182_INPUT_CVBS_AIN8 0x07
167 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
168 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
169 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
170 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
171 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
172 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
173 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
174 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
175 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
176 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
177
178 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
179 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
180
181 #define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
182
183 /* Initial number of frames to skip to avoid possible garbage */
184 #define ADV7180_NUM_OF_SKIP_FRAMES 2
185
186 struct adv7180_state;
187
188 #define ADV7180_FLAG_RESET_POWERED BIT(0)
189 #define ADV7180_FLAG_V2 BIT(1)
190 #define ADV7180_FLAG_MIPI_CSI2 BIT(2)
191 #define ADV7180_FLAG_I2P BIT(3)
192
193 struct adv7180_chip_info {
194 unsigned int flags;
195 unsigned int valid_input_mask;
196 int (*set_std)(struct adv7180_state *st, unsigned int std);
197 int (*select_input)(struct adv7180_state *st, unsigned int input);
198 int (*init)(struct adv7180_state *state);
199 };
200
201 struct adv7180_state {
202 struct v4l2_ctrl_handler ctrl_hdl;
203 struct v4l2_subdev sd;
204 struct media_pad pad;
205 struct mutex mutex; /* mutual excl. when accessing chip */
206 int irq;
207 struct gpio_desc *pwdn_gpio;
208 v4l2_std_id curr_norm;
209 bool powered;
210 bool streaming;
211 u8 input;
212
213 struct i2c_client *client;
214 unsigned int register_page;
215 struct i2c_client *csi_client;
216 struct i2c_client *vpp_client;
217 const struct adv7180_chip_info *chip_info;
218 enum v4l2_field field;
219 };
220 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
221 struct adv7180_state, \
222 ctrl_hdl)->sd)
223
224 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
225 {
226 if (state->register_page != page) {
227 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
228 page);
229 state->register_page = page;
230 }
231
232 return 0;
233 }
234
235 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
236 unsigned int value)
237 {
238 lockdep_assert_held(&state->mutex);
239 adv7180_select_page(state, reg >> 8);
240 return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
241 }
242
243 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
244 {
245 lockdep_assert_held(&state->mutex);
246 adv7180_select_page(state, reg >> 8);
247 return i2c_smbus_read_byte_data(state->client, reg & 0xff);
248 }
249
250 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
251 unsigned int value)
252 {
253 return i2c_smbus_write_byte_data(state->csi_client, reg, value);
254 }
255
256 static int adv7180_set_video_standard(struct adv7180_state *state,
257 unsigned int std)
258 {
259 return state->chip_info->set_std(state, std);
260 }
261
262 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
263 unsigned int value)
264 {
265 return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
266 }
267
268 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
269 {
270 /* in case V4L2_IN_ST_NO_SIGNAL */
271 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
272 return V4L2_STD_UNKNOWN;
273
274 switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
275 case ADV7180_STATUS1_AUTOD_NTSM_M_J:
276 return V4L2_STD_NTSC;
277 case ADV7180_STATUS1_AUTOD_NTSC_4_43:
278 return V4L2_STD_NTSC_443;
279 case ADV7180_STATUS1_AUTOD_PAL_M:
280 return V4L2_STD_PAL_M;
281 case ADV7180_STATUS1_AUTOD_PAL_60:
282 return V4L2_STD_PAL_60;
283 case ADV7180_STATUS1_AUTOD_PAL_B_G:
284 return V4L2_STD_PAL;
285 case ADV7180_STATUS1_AUTOD_SECAM:
286 return V4L2_STD_SECAM;
287 case ADV7180_STATUS1_AUTOD_PAL_COMB:
288 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
289 case ADV7180_STATUS1_AUTOD_SECAM_525:
290 return V4L2_STD_SECAM;
291 default:
292 return V4L2_STD_UNKNOWN;
293 }
294 }
295
296 static int v4l2_std_to_adv7180(v4l2_std_id std)
297 {
298 if (std == V4L2_STD_PAL_60)
299 return ADV7180_STD_PAL60;
300 if (std == V4L2_STD_NTSC_443)
301 return ADV7180_STD_NTSC_443;
302 if (std == V4L2_STD_PAL_N)
303 return ADV7180_STD_PAL_N;
304 if (std == V4L2_STD_PAL_M)
305 return ADV7180_STD_PAL_M;
306 if (std == V4L2_STD_PAL_Nc)
307 return ADV7180_STD_PAL_COMB_N;
308
309 if (std & V4L2_STD_PAL)
310 return ADV7180_STD_PAL_BG;
311 if (std & V4L2_STD_NTSC)
312 return ADV7180_STD_NTSC_M;
313 if (std & V4L2_STD_SECAM)
314 return ADV7180_STD_PAL_SECAM;
315
316 return -EINVAL;
317 }
318
319 static u32 adv7180_status_to_v4l2(u8 status1)
320 {
321 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
322 return V4L2_IN_ST_NO_SIGNAL;
323
324 return 0;
325 }
326
327 static int __adv7180_status(struct adv7180_state *state, u32 *status,
328 v4l2_std_id *std)
329 {
330 int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
331
332 if (status1 < 0)
333 return status1;
334
335 if (status)
336 *status = adv7180_status_to_v4l2(status1);
337 if (std)
338 *std = adv7180_std_to_v4l2(status1);
339
340 return 0;
341 }
342
343 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
344 {
345 return container_of(sd, struct adv7180_state, sd);
346 }
347
348 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
349 {
350 struct adv7180_state *state = to_state(sd);
351 int err = mutex_lock_interruptible(&state->mutex);
352 if (err)
353 return err;
354
355 if (state->streaming) {
356 err = -EBUSY;
357 goto unlock;
358 }
359
360 err = adv7180_set_video_standard(state,
361 ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
362 if (err)
363 goto unlock;
364
365 msleep(100);
366 __adv7180_status(state, NULL, std);
367
368 err = v4l2_std_to_adv7180(state->curr_norm);
369 if (err < 0)
370 goto unlock;
371
372 err = adv7180_set_video_standard(state, err);
373
374 unlock:
375 mutex_unlock(&state->mutex);
376 return err;
377 }
378
379 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
380 u32 output, u32 config)
381 {
382 struct adv7180_state *state = to_state(sd);
383 int ret = mutex_lock_interruptible(&state->mutex);
384
385 if (ret)
386 return ret;
387
388 if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
389 ret = -EINVAL;
390 goto out;
391 }
392
393 ret = state->chip_info->select_input(state, input);
394
395 if (ret == 0)
396 state->input = input;
397 out:
398 mutex_unlock(&state->mutex);
399 return ret;
400 }
401
402 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
403 {
404 struct adv7180_state *state = to_state(sd);
405 int ret = mutex_lock_interruptible(&state->mutex);
406 if (ret)
407 return ret;
408
409 ret = __adv7180_status(state, status, NULL);
410 mutex_unlock(&state->mutex);
411 return ret;
412 }
413
414 static int adv7180_program_std(struct adv7180_state *state)
415 {
416 int ret;
417
418 ret = v4l2_std_to_adv7180(state->curr_norm);
419 if (ret < 0)
420 return ret;
421
422 ret = adv7180_set_video_standard(state, ret);
423 if (ret < 0)
424 return ret;
425 return 0;
426 }
427
428 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
429 {
430 struct adv7180_state *state = to_state(sd);
431 int ret = mutex_lock_interruptible(&state->mutex);
432
433 if (ret)
434 return ret;
435
436 /* Make sure we can support this std */
437 ret = v4l2_std_to_adv7180(std);
438 if (ret < 0)
439 goto out;
440
441 state->curr_norm = std;
442
443 ret = adv7180_program_std(state);
444 out:
445 mutex_unlock(&state->mutex);
446 return ret;
447 }
448
449 static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
450 {
451 struct adv7180_state *state = to_state(sd);
452
453 *norm = state->curr_norm;
454
455 return 0;
456 }
457
458 static int adv7180_g_frame_interval(struct v4l2_subdev *sd,
459 struct v4l2_subdev_frame_interval *fi)
460 {
461 struct adv7180_state *state = to_state(sd);
462
463 if (state->curr_norm & V4L2_STD_525_60) {
464 fi->interval.numerator = 1001;
465 fi->interval.denominator = 30000;
466 } else {
467 fi->interval.numerator = 1;
468 fi->interval.denominator = 25;
469 }
470
471 return 0;
472 }
473
474 static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
475 {
476 if (!state->pwdn_gpio)
477 return;
478
479 if (on) {
480 gpiod_set_value_cansleep(state->pwdn_gpio, 0);
481 usleep_range(5000, 10000);
482 } else {
483 gpiod_set_value_cansleep(state->pwdn_gpio, 1);
484 }
485 }
486
487 static int adv7180_set_power(struct adv7180_state *state, bool on)
488 {
489 u8 val;
490 int ret;
491
492 if (on)
493 val = ADV7180_PWR_MAN_ON;
494 else
495 val = ADV7180_PWR_MAN_OFF;
496
497 ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
498 if (ret)
499 return ret;
500
501 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
502 if (on) {
503 adv7180_csi_write(state, 0xDE, 0x02);
504 adv7180_csi_write(state, 0xD2, 0xF7);
505 adv7180_csi_write(state, 0xD8, 0x65);
506 adv7180_csi_write(state, 0xE0, 0x09);
507 adv7180_csi_write(state, 0x2C, 0x00);
508 if (state->field == V4L2_FIELD_NONE)
509 adv7180_csi_write(state, 0x1D, 0x80);
510 adv7180_csi_write(state, 0x00, 0x00);
511 } else {
512 adv7180_csi_write(state, 0x00, 0x80);
513 }
514 }
515
516 return 0;
517 }
518
519 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
520 {
521 struct adv7180_state *state = to_state(sd);
522 int ret;
523
524 ret = mutex_lock_interruptible(&state->mutex);
525 if (ret)
526 return ret;
527
528 ret = adv7180_set_power(state, on);
529 if (ret == 0)
530 state->powered = on;
531
532 mutex_unlock(&state->mutex);
533 return ret;
534 }
535
536 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
537 {
538 struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
539 struct adv7180_state *state = to_state(sd);
540 int ret = mutex_lock_interruptible(&state->mutex);
541 int val;
542
543 if (ret)
544 return ret;
545 val = ctrl->val;
546 switch (ctrl->id) {
547 case V4L2_CID_BRIGHTNESS:
548 ret = adv7180_write(state, ADV7180_REG_BRI, val);
549 break;
550 case V4L2_CID_HUE:
551 /*Hue is inverted according to HSL chart */
552 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
553 break;
554 case V4L2_CID_CONTRAST:
555 ret = adv7180_write(state, ADV7180_REG_CON, val);
556 break;
557 case V4L2_CID_SATURATION:
558 /*
559 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
560 *Let's not confuse the user, everybody understands saturation
561 */
562 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
563 if (ret < 0)
564 break;
565 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
566 break;
567 case V4L2_CID_ADV_FAST_SWITCH:
568 if (ctrl->val) {
569 /* ADI required write */
570 adv7180_write(state, 0x80d9, 0x44);
571 adv7180_write(state, ADV7180_REG_FLCONTROL,
572 ADV7180_FLCONTROL_FL_ENABLE);
573 } else {
574 /* ADI required write */
575 adv7180_write(state, 0x80d9, 0xc4);
576 adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
577 }
578 break;
579 default:
580 ret = -EINVAL;
581 }
582
583 mutex_unlock(&state->mutex);
584 return ret;
585 }
586
587 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
588 .s_ctrl = adv7180_s_ctrl,
589 };
590
591 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
592 .ops = &adv7180_ctrl_ops,
593 .id = V4L2_CID_ADV_FAST_SWITCH,
594 .name = "Fast Switching",
595 .type = V4L2_CTRL_TYPE_BOOLEAN,
596 .min = 0,
597 .max = 1,
598 .step = 1,
599 };
600
601 static int adv7180_init_controls(struct adv7180_state *state)
602 {
603 v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
604
605 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
606 V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
607 ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
608 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
609 V4L2_CID_CONTRAST, ADV7180_CON_MIN,
610 ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
611 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
612 V4L2_CID_SATURATION, ADV7180_SAT_MIN,
613 ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
614 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
615 V4L2_CID_HUE, ADV7180_HUE_MIN,
616 ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
617 v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
618
619 state->sd.ctrl_handler = &state->ctrl_hdl;
620 if (state->ctrl_hdl.error) {
621 int err = state->ctrl_hdl.error;
622
623 v4l2_ctrl_handler_free(&state->ctrl_hdl);
624 return err;
625 }
626 v4l2_ctrl_handler_setup(&state->ctrl_hdl);
627
628 return 0;
629 }
630 static void adv7180_exit_controls(struct adv7180_state *state)
631 {
632 v4l2_ctrl_handler_free(&state->ctrl_hdl);
633 }
634
635 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
636 struct v4l2_subdev_pad_config *cfg,
637 struct v4l2_subdev_mbus_code_enum *code)
638 {
639 if (code->index != 0)
640 return -EINVAL;
641
642 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
643
644 return 0;
645 }
646
647 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
648 struct v4l2_mbus_framefmt *fmt)
649 {
650 struct adv7180_state *state = to_state(sd);
651
652 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
653 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
654 fmt->width = 720;
655 fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
656
657 if (state->field == V4L2_FIELD_ALTERNATE)
658 fmt->height /= 2;
659
660 return 0;
661 }
662
663 static int adv7180_set_field_mode(struct adv7180_state *state)
664 {
665 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
666 return 0;
667
668 if (state->field == V4L2_FIELD_NONE) {
669 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
670 adv7180_csi_write(state, 0x01, 0x20);
671 adv7180_csi_write(state, 0x02, 0x28);
672 adv7180_csi_write(state, 0x03, 0x38);
673 adv7180_csi_write(state, 0x04, 0x30);
674 adv7180_csi_write(state, 0x05, 0x30);
675 adv7180_csi_write(state, 0x06, 0x80);
676 adv7180_csi_write(state, 0x07, 0x70);
677 adv7180_csi_write(state, 0x08, 0x50);
678 }
679 adv7180_vpp_write(state, 0xa3, 0x00);
680 adv7180_vpp_write(state, 0x5b, 0x00);
681 adv7180_vpp_write(state, 0x55, 0x80);
682 } else {
683 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
684 adv7180_csi_write(state, 0x01, 0x18);
685 adv7180_csi_write(state, 0x02, 0x18);
686 adv7180_csi_write(state, 0x03, 0x30);
687 adv7180_csi_write(state, 0x04, 0x20);
688 adv7180_csi_write(state, 0x05, 0x28);
689 adv7180_csi_write(state, 0x06, 0x40);
690 adv7180_csi_write(state, 0x07, 0x58);
691 adv7180_csi_write(state, 0x08, 0x30);
692 }
693 adv7180_vpp_write(state, 0xa3, 0x70);
694 adv7180_vpp_write(state, 0x5b, 0x80);
695 adv7180_vpp_write(state, 0x55, 0x00);
696 }
697
698 return 0;
699 }
700
701 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
702 struct v4l2_subdev_pad_config *cfg,
703 struct v4l2_subdev_format *format)
704 {
705 struct adv7180_state *state = to_state(sd);
706
707 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
708 format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
709 } else {
710 adv7180_mbus_fmt(sd, &format->format);
711 format->format.field = state->field;
712 }
713
714 return 0;
715 }
716
717 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
718 struct v4l2_subdev_pad_config *cfg,
719 struct v4l2_subdev_format *format)
720 {
721 struct adv7180_state *state = to_state(sd);
722 struct v4l2_mbus_framefmt *framefmt;
723 int ret;
724
725 switch (format->format.field) {
726 case V4L2_FIELD_NONE:
727 if (state->chip_info->flags & ADV7180_FLAG_I2P)
728 break;
729 /* fall through */
730 default:
731 format->format.field = V4L2_FIELD_ALTERNATE;
732 break;
733 }
734
735 ret = adv7180_mbus_fmt(sd, &format->format);
736
737 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
738 if (state->field != format->format.field) {
739 state->field = format->format.field;
740 adv7180_set_power(state, false);
741 adv7180_set_field_mode(state);
742 adv7180_set_power(state, true);
743 }
744 } else {
745 framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
746 *framefmt = format->format;
747 }
748
749 return ret;
750 }
751
752 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
753 struct v4l2_mbus_config *cfg)
754 {
755 struct adv7180_state *state = to_state(sd);
756
757 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
758 cfg->type = V4L2_MBUS_CSI2_DPHY;
759 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
760 V4L2_MBUS_CSI2_CHANNEL_0 |
761 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
762 } else {
763 /*
764 * The ADV7180 sensor supports BT.601/656 output modes.
765 * The BT.656 is default and not yet configurable by s/w.
766 */
767 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
768 V4L2_MBUS_DATA_ACTIVE_HIGH;
769 cfg->type = V4L2_MBUS_BT656;
770 }
771
772 return 0;
773 }
774
775 static int adv7180_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
776 {
777 *frames = ADV7180_NUM_OF_SKIP_FRAMES;
778
779 return 0;
780 }
781
782 static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
783 {
784 struct adv7180_state *state = to_state(sd);
785
786 if (state->curr_norm & V4L2_STD_525_60) {
787 aspect->numerator = 11;
788 aspect->denominator = 10;
789 } else {
790 aspect->numerator = 54;
791 aspect->denominator = 59;
792 }
793
794 return 0;
795 }
796
797 static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
798 {
799 *norm = V4L2_STD_ALL;
800 return 0;
801 }
802
803 static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
804 {
805 struct adv7180_state *state = to_state(sd);
806 int ret;
807
808 /* It's always safe to stop streaming, no need to take the lock */
809 if (!enable) {
810 state->streaming = enable;
811 return 0;
812 }
813
814 /* Must wait until querystd released the lock */
815 ret = mutex_lock_interruptible(&state->mutex);
816 if (ret)
817 return ret;
818 state->streaming = enable;
819 mutex_unlock(&state->mutex);
820 return 0;
821 }
822
823 static int adv7180_subscribe_event(struct v4l2_subdev *sd,
824 struct v4l2_fh *fh,
825 struct v4l2_event_subscription *sub)
826 {
827 switch (sub->type) {
828 case V4L2_EVENT_SOURCE_CHANGE:
829 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
830 case V4L2_EVENT_CTRL:
831 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
832 default:
833 return -EINVAL;
834 }
835 }
836
837 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
838 .s_std = adv7180_s_std,
839 .g_std = adv7180_g_std,
840 .g_frame_interval = adv7180_g_frame_interval,
841 .querystd = adv7180_querystd,
842 .g_input_status = adv7180_g_input_status,
843 .s_routing = adv7180_s_routing,
844 .g_mbus_config = adv7180_g_mbus_config,
845 .g_pixelaspect = adv7180_g_pixelaspect,
846 .g_tvnorms = adv7180_g_tvnorms,
847 .s_stream = adv7180_s_stream,
848 };
849
850 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
851 .s_power = adv7180_s_power,
852 .subscribe_event = adv7180_subscribe_event,
853 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
854 };
855
856 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
857 .enum_mbus_code = adv7180_enum_mbus_code,
858 .set_fmt = adv7180_set_pad_format,
859 .get_fmt = adv7180_get_pad_format,
860 };
861
862 static const struct v4l2_subdev_sensor_ops adv7180_sensor_ops = {
863 .g_skip_frames = adv7180_get_skip_frames,
864 };
865
866 static const struct v4l2_subdev_ops adv7180_ops = {
867 .core = &adv7180_core_ops,
868 .video = &adv7180_video_ops,
869 .pad = &adv7180_pad_ops,
870 .sensor = &adv7180_sensor_ops,
871 };
872
873 static irqreturn_t adv7180_irq(int irq, void *devid)
874 {
875 struct adv7180_state *state = devid;
876 u8 isr3;
877
878 mutex_lock(&state->mutex);
879 isr3 = adv7180_read(state, ADV7180_REG_ISR3);
880 /* clear */
881 adv7180_write(state, ADV7180_REG_ICR3, isr3);
882
883 if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
884 static const struct v4l2_event src_ch = {
885 .type = V4L2_EVENT_SOURCE_CHANGE,
886 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
887 };
888
889 v4l2_subdev_notify_event(&state->sd, &src_ch);
890 }
891 mutex_unlock(&state->mutex);
892
893 return IRQ_HANDLED;
894 }
895
896 static int adv7180_init(struct adv7180_state *state)
897 {
898 int ret;
899
900 /* ITU-R BT.656-4 compatible */
901 ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
902 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
903 if (ret < 0)
904 return ret;
905
906 /* Manually set V bit end position in NTSC mode */
907 return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
908 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
909 }
910
911 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
912 {
913 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
914 (std << 4) | state->input);
915 }
916
917 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
918 {
919 int ret;
920
921 ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
922 if (ret < 0)
923 return ret;
924
925 ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
926 ret |= input;
927 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
928 }
929
930 static int adv7182_init(struct adv7180_state *state)
931 {
932 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
933 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
934 ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
935
936 if (state->chip_info->flags & ADV7180_FLAG_I2P)
937 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
938 ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
939
940 if (state->chip_info->flags & ADV7180_FLAG_V2) {
941 /* ADI recommended writes for improved video quality */
942 adv7180_write(state, 0x0080, 0x51);
943 adv7180_write(state, 0x0081, 0x51);
944 adv7180_write(state, 0x0082, 0x68);
945 }
946
947 /* ADI required writes */
948 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
949 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
950 adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
951 adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
952 } else {
953 if (state->chip_info->flags & ADV7180_FLAG_V2)
954 adv7180_write(state,
955 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
956 0x17);
957 else
958 adv7180_write(state,
959 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
960 0x07);
961 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
962 adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
963 }
964
965 adv7180_write(state, 0x0013, 0x00);
966
967 return 0;
968 }
969
970 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
971 {
972 return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
973 }
974
975 enum adv7182_input_type {
976 ADV7182_INPUT_TYPE_CVBS,
977 ADV7182_INPUT_TYPE_DIFF_CVBS,
978 ADV7182_INPUT_TYPE_SVIDEO,
979 ADV7182_INPUT_TYPE_YPBPR,
980 };
981
982 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
983 {
984 switch (input) {
985 case ADV7182_INPUT_CVBS_AIN1:
986 case ADV7182_INPUT_CVBS_AIN2:
987 case ADV7182_INPUT_CVBS_AIN3:
988 case ADV7182_INPUT_CVBS_AIN4:
989 case ADV7182_INPUT_CVBS_AIN5:
990 case ADV7182_INPUT_CVBS_AIN6:
991 case ADV7182_INPUT_CVBS_AIN7:
992 case ADV7182_INPUT_CVBS_AIN8:
993 return ADV7182_INPUT_TYPE_CVBS;
994 case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
995 case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
996 case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
997 case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
998 return ADV7182_INPUT_TYPE_SVIDEO;
999 case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
1000 case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
1001 return ADV7182_INPUT_TYPE_YPBPR;
1002 case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
1003 case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
1004 case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
1005 case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
1006 return ADV7182_INPUT_TYPE_DIFF_CVBS;
1007 default: /* Will never happen */
1008 return 0;
1009 }
1010 }
1011
1012 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
1013 static unsigned int adv7182_lbias_settings[][3] = {
1014 [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
1015 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1016 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1017 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1018 };
1019
1020 static unsigned int adv7280_lbias_settings[][3] = {
1021 [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
1022 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1023 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1024 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1025 };
1026
1027 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
1028 {
1029 enum adv7182_input_type input_type;
1030 unsigned int *lbias;
1031 unsigned int i;
1032 int ret;
1033
1034 ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
1035 if (ret)
1036 return ret;
1037
1038 /* Reset clamp circuitry - ADI recommended writes */
1039 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
1040 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
1041
1042 input_type = adv7182_get_input_type(input);
1043
1044 switch (input_type) {
1045 case ADV7182_INPUT_TYPE_CVBS:
1046 case ADV7182_INPUT_TYPE_DIFF_CVBS:
1047 /* ADI recommends to use the SH1 filter */
1048 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
1049 break;
1050 default:
1051 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
1052 break;
1053 }
1054
1055 if (state->chip_info->flags & ADV7180_FLAG_V2)
1056 lbias = adv7280_lbias_settings[input_type];
1057 else
1058 lbias = adv7182_lbias_settings[input_type];
1059
1060 for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
1061 adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
1062
1063 if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1064 /* ADI required writes to make differential CVBS work */
1065 adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
1066 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
1067 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
1068 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
1069 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
1070 } else {
1071 adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
1072 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
1073 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
1074 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
1075 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
1076 }
1077
1078 return 0;
1079 }
1080
1081 static const struct adv7180_chip_info adv7180_info = {
1082 .flags = ADV7180_FLAG_RESET_POWERED,
1083 /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1084 * all inputs and let the card driver take care of validation
1085 */
1086 .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1087 BIT(ADV7180_INPUT_CVBS_AIN2) |
1088 BIT(ADV7180_INPUT_CVBS_AIN3) |
1089 BIT(ADV7180_INPUT_CVBS_AIN4) |
1090 BIT(ADV7180_INPUT_CVBS_AIN5) |
1091 BIT(ADV7180_INPUT_CVBS_AIN6) |
1092 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1093 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1094 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1095 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1096 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1097 .init = adv7180_init,
1098 .set_std = adv7180_set_std,
1099 .select_input = adv7180_select_input,
1100 };
1101
1102 static const struct adv7180_chip_info adv7182_info = {
1103 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1104 BIT(ADV7182_INPUT_CVBS_AIN2) |
1105 BIT(ADV7182_INPUT_CVBS_AIN3) |
1106 BIT(ADV7182_INPUT_CVBS_AIN4) |
1107 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1108 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1109 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1110 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1111 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1112 .init = adv7182_init,
1113 .set_std = adv7182_set_std,
1114 .select_input = adv7182_select_input,
1115 };
1116
1117 static const struct adv7180_chip_info adv7280_info = {
1118 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1119 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1120 BIT(ADV7182_INPUT_CVBS_AIN2) |
1121 BIT(ADV7182_INPUT_CVBS_AIN3) |
1122 BIT(ADV7182_INPUT_CVBS_AIN4) |
1123 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1124 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1125 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1126 .init = adv7182_init,
1127 .set_std = adv7182_set_std,
1128 .select_input = adv7182_select_input,
1129 };
1130
1131 static const struct adv7180_chip_info adv7280_m_info = {
1132 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1133 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1134 BIT(ADV7182_INPUT_CVBS_AIN2) |
1135 BIT(ADV7182_INPUT_CVBS_AIN3) |
1136 BIT(ADV7182_INPUT_CVBS_AIN4) |
1137 BIT(ADV7182_INPUT_CVBS_AIN5) |
1138 BIT(ADV7182_INPUT_CVBS_AIN6) |
1139 BIT(ADV7182_INPUT_CVBS_AIN7) |
1140 BIT(ADV7182_INPUT_CVBS_AIN8) |
1141 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1142 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1143 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1144 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1145 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1146 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1147 .init = adv7182_init,
1148 .set_std = adv7182_set_std,
1149 .select_input = adv7182_select_input,
1150 };
1151
1152 static const struct adv7180_chip_info adv7281_info = {
1153 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1154 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1155 BIT(ADV7182_INPUT_CVBS_AIN2) |
1156 BIT(ADV7182_INPUT_CVBS_AIN7) |
1157 BIT(ADV7182_INPUT_CVBS_AIN8) |
1158 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1159 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1160 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1161 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1162 .init = adv7182_init,
1163 .set_std = adv7182_set_std,
1164 .select_input = adv7182_select_input,
1165 };
1166
1167 static const struct adv7180_chip_info adv7281_m_info = {
1168 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1169 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1170 BIT(ADV7182_INPUT_CVBS_AIN2) |
1171 BIT(ADV7182_INPUT_CVBS_AIN3) |
1172 BIT(ADV7182_INPUT_CVBS_AIN4) |
1173 BIT(ADV7182_INPUT_CVBS_AIN7) |
1174 BIT(ADV7182_INPUT_CVBS_AIN8) |
1175 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1176 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1177 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1178 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1179 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1180 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1181 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1182 .init = adv7182_init,
1183 .set_std = adv7182_set_std,
1184 .select_input = adv7182_select_input,
1185 };
1186
1187 static const struct adv7180_chip_info adv7281_ma_info = {
1188 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1189 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1190 BIT(ADV7182_INPUT_CVBS_AIN2) |
1191 BIT(ADV7182_INPUT_CVBS_AIN3) |
1192 BIT(ADV7182_INPUT_CVBS_AIN4) |
1193 BIT(ADV7182_INPUT_CVBS_AIN5) |
1194 BIT(ADV7182_INPUT_CVBS_AIN6) |
1195 BIT(ADV7182_INPUT_CVBS_AIN7) |
1196 BIT(ADV7182_INPUT_CVBS_AIN8) |
1197 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1198 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1199 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1200 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1201 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1202 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1203 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1204 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1205 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1206 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1207 .init = adv7182_init,
1208 .set_std = adv7182_set_std,
1209 .select_input = adv7182_select_input,
1210 };
1211
1212 static const struct adv7180_chip_info adv7282_info = {
1213 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1214 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1215 BIT(ADV7182_INPUT_CVBS_AIN2) |
1216 BIT(ADV7182_INPUT_CVBS_AIN7) |
1217 BIT(ADV7182_INPUT_CVBS_AIN8) |
1218 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1219 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1220 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1221 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1222 .init = adv7182_init,
1223 .set_std = adv7182_set_std,
1224 .select_input = adv7182_select_input,
1225 };
1226
1227 static const struct adv7180_chip_info adv7282_m_info = {
1228 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1229 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1230 BIT(ADV7182_INPUT_CVBS_AIN2) |
1231 BIT(ADV7182_INPUT_CVBS_AIN3) |
1232 BIT(ADV7182_INPUT_CVBS_AIN4) |
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_AIN7_AIN8) |
1238 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1239 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1240 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1241 .init = adv7182_init,
1242 .set_std = adv7182_set_std,
1243 .select_input = adv7182_select_input,
1244 };
1245
1246 static int init_device(struct adv7180_state *state)
1247 {
1248 int ret;
1249
1250 mutex_lock(&state->mutex);
1251
1252 adv7180_set_power_pin(state, true);
1253
1254 adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1255 usleep_range(5000, 10000);
1256
1257 ret = state->chip_info->init(state);
1258 if (ret)
1259 goto out_unlock;
1260
1261 ret = adv7180_program_std(state);
1262 if (ret)
1263 goto out_unlock;
1264
1265 adv7180_set_field_mode(state);
1266
1267 /* register for interrupts */
1268 if (state->irq > 0) {
1269 /* config the Interrupt pin to be active low */
1270 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1271 ADV7180_ICONF1_ACTIVE_LOW |
1272 ADV7180_ICONF1_PSYNC_ONLY);
1273 if (ret < 0)
1274 goto out_unlock;
1275
1276 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1277 if (ret < 0)
1278 goto out_unlock;
1279
1280 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1281 if (ret < 0)
1282 goto out_unlock;
1283
1284 /* enable AD change interrupts interrupts */
1285 ret = adv7180_write(state, ADV7180_REG_IMR3,
1286 ADV7180_IRQ3_AD_CHANGE);
1287 if (ret < 0)
1288 goto out_unlock;
1289
1290 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1291 if (ret < 0)
1292 goto out_unlock;
1293 }
1294
1295 out_unlock:
1296 mutex_unlock(&state->mutex);
1297
1298 return ret;
1299 }
1300
1301 static int adv7180_probe(struct i2c_client *client,
1302 const struct i2c_device_id *id)
1303 {
1304 struct adv7180_state *state;
1305 struct v4l2_subdev *sd;
1306 int ret;
1307
1308 /* Check if the adapter supports the needed features */
1309 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1310 return -EIO;
1311
1312 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1313 if (state == NULL)
1314 return -ENOMEM;
1315
1316 state->client = client;
1317 state->field = V4L2_FIELD_ALTERNATE;
1318 state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1319
1320 state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
1321 GPIOD_OUT_HIGH);
1322 if (IS_ERR(state->pwdn_gpio)) {
1323 ret = PTR_ERR(state->pwdn_gpio);
1324 v4l_err(client, "request for power pin failed: %d\n", ret);
1325 return ret;
1326 }
1327
1328 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1329 state->csi_client = i2c_new_dummy_device(client->adapter,
1330 ADV7180_DEFAULT_CSI_I2C_ADDR);
1331 if (IS_ERR(state->csi_client))
1332 return PTR_ERR(state->csi_client);
1333 }
1334
1335 if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1336 state->vpp_client = i2c_new_dummy_device(client->adapter,
1337 ADV7180_DEFAULT_VPP_I2C_ADDR);
1338 if (IS_ERR(state->vpp_client)) {
1339 ret = PTR_ERR(state->vpp_client);
1340 goto err_unregister_csi_client;
1341 }
1342 }
1343
1344 state->irq = client->irq;
1345 mutex_init(&state->mutex);
1346 state->curr_norm = V4L2_STD_NTSC;
1347 if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1348 state->powered = true;
1349 else
1350 state->powered = false;
1351 state->input = 0;
1352 sd = &state->sd;
1353 v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1354 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1355
1356 ret = adv7180_init_controls(state);
1357 if (ret)
1358 goto err_unregister_vpp_client;
1359
1360 state->pad.flags = MEDIA_PAD_FL_SOURCE;
1361 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1362 ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1363 if (ret)
1364 goto err_free_ctrl;
1365
1366 ret = init_device(state);
1367 if (ret)
1368 goto err_media_entity_cleanup;
1369
1370 if (state->irq) {
1371 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1372 IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1373 KBUILD_MODNAME, state);
1374 if (ret)
1375 goto err_media_entity_cleanup;
1376 }
1377
1378 ret = v4l2_async_register_subdev(sd);
1379 if (ret)
1380 goto err_free_irq;
1381
1382 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1383 client->addr, client->adapter->name);
1384
1385 return 0;
1386
1387 err_free_irq:
1388 if (state->irq > 0)
1389 free_irq(client->irq, state);
1390 err_media_entity_cleanup:
1391 media_entity_cleanup(&sd->entity);
1392 err_free_ctrl:
1393 adv7180_exit_controls(state);
1394 err_unregister_vpp_client:
1395 i2c_unregister_device(state->vpp_client);
1396 err_unregister_csi_client:
1397 i2c_unregister_device(state->csi_client);
1398 mutex_destroy(&state->mutex);
1399 return ret;
1400 }
1401
1402 static int adv7180_remove(struct i2c_client *client)
1403 {
1404 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1405 struct adv7180_state *state = to_state(sd);
1406
1407 v4l2_async_unregister_subdev(sd);
1408
1409 if (state->irq > 0)
1410 free_irq(client->irq, state);
1411
1412 media_entity_cleanup(&sd->entity);
1413 adv7180_exit_controls(state);
1414
1415 i2c_unregister_device(state->vpp_client);
1416 i2c_unregister_device(state->csi_client);
1417
1418 adv7180_set_power_pin(state, false);
1419
1420 mutex_destroy(&state->mutex);
1421
1422 return 0;
1423 }
1424
1425 static const struct i2c_device_id adv7180_id[] = {
1426 { "adv7180", (kernel_ulong_t)&adv7180_info },
1427 { "adv7180cp", (kernel_ulong_t)&adv7180_info },
1428 { "adv7180st", (kernel_ulong_t)&adv7180_info },
1429 { "adv7182", (kernel_ulong_t)&adv7182_info },
1430 { "adv7280", (kernel_ulong_t)&adv7280_info },
1431 { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1432 { "adv7281", (kernel_ulong_t)&adv7281_info },
1433 { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1434 { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1435 { "adv7282", (kernel_ulong_t)&adv7282_info },
1436 { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1437 {},
1438 };
1439 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1440
1441 #ifdef CONFIG_PM_SLEEP
1442 static int adv7180_suspend(struct device *dev)
1443 {
1444 struct i2c_client *client = to_i2c_client(dev);
1445 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1446 struct adv7180_state *state = to_state(sd);
1447
1448 return adv7180_set_power(state, false);
1449 }
1450
1451 static int adv7180_resume(struct device *dev)
1452 {
1453 struct i2c_client *client = to_i2c_client(dev);
1454 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1455 struct adv7180_state *state = to_state(sd);
1456 int ret;
1457
1458 ret = init_device(state);
1459 if (ret < 0)
1460 return ret;
1461
1462 ret = adv7180_set_power(state, state->powered);
1463 if (ret)
1464 return ret;
1465
1466 return 0;
1467 }
1468
1469 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1470 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1471
1472 #else
1473 #define ADV7180_PM_OPS NULL
1474 #endif
1475
1476 #ifdef CONFIG_OF
1477 static const struct of_device_id adv7180_of_id[] = {
1478 { .compatible = "adi,adv7180", },
1479 { .compatible = "adi,adv7180cp", },
1480 { .compatible = "adi,adv7180st", },
1481 { .compatible = "adi,adv7182", },
1482 { .compatible = "adi,adv7280", },
1483 { .compatible = "adi,adv7280-m", },
1484 { .compatible = "adi,adv7281", },
1485 { .compatible = "adi,adv7281-m", },
1486 { .compatible = "adi,adv7281-ma", },
1487 { .compatible = "adi,adv7282", },
1488 { .compatible = "adi,adv7282-m", },
1489 { },
1490 };
1491
1492 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1493 #endif
1494
1495 static struct i2c_driver adv7180_driver = {
1496 .driver = {
1497 .name = KBUILD_MODNAME,
1498 .pm = ADV7180_PM_OPS,
1499 .of_match_table = of_match_ptr(adv7180_of_id),
1500 },
1501 .probe = adv7180_probe,
1502 .remove = adv7180_remove,
1503 .id_table = adv7180_id,
1504 };
1505
1506 module_i2c_driver(adv7180_driver);
1507
1508 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1509 MODULE_AUTHOR("Mocean Laboratories");
1510 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support