?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / media / i2c / adv7180.c
blob25d24a3f10a7cb4d26aefe6f2e93b00b8705bdbb
1 /*
2 * adv7180.c Analog Devices ADV7180 video decoder driver
3 * Copyright (c) 2009 Intel Corporation
4 * Copyright (C) 2013 Cogent Embedded, Inc.
5 * Copyright (C) 2013 Renesas Solutions Corp.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 */
16
17 #include <linux/module.h>
18 #include <linux/init.h>
19 #include <linux/errno.h>
20 #include <linux/kernel.h>
21 #include <linux/interrupt.h>
22 #include <linux/i2c.h>
23 #include <linux/slab.h>
24 #include <linux/of.h>
25 #include <linux/gpio/consumer.h>
26 #include <linux/videodev2.h>
27 #include <media/v4l2-ioctl.h>
28 #include <media/v4l2-event.h>
29 #include <media/v4l2-device.h>
30 #include <media/v4l2-ctrls.h>
31 #include <linux/mutex.h>
32 #include <linux/delay.h>
33
34 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM 0x0
35 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED 0x1
36 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM 0x2
37 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM 0x3
38 #define ADV7180_STD_NTSC_J 0x4
39 #define ADV7180_STD_NTSC_M 0x5
40 #define ADV7180_STD_PAL60 0x6
41 #define ADV7180_STD_NTSC_443 0x7
42 #define ADV7180_STD_PAL_BG 0x8
43 #define ADV7180_STD_PAL_N 0x9
44 #define ADV7180_STD_PAL_M 0xa
45 #define ADV7180_STD_PAL_M_PED 0xb
46 #define ADV7180_STD_PAL_COMB_N 0xc
47 #define ADV7180_STD_PAL_COMB_N_PED 0xd
48 #define ADV7180_STD_PAL_SECAM 0xe
49 #define ADV7180_STD_PAL_SECAM_PED 0xf
50
51 #define ADV7180_REG_INPUT_CONTROL 0x0000
52 #define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
53
54 #define ADV7182_REG_INPUT_VIDSEL 0x0002
55
56 #define ADV7180_REG_OUTPUT_CONTROL 0x0003
57 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
58 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
59
60 #define ADV7180_REG_AUTODETECT_ENABLE 0x0007
61 #define ADV7180_AUTODETECT_DEFAULT 0x7f
62 /* Contrast */
63 #define ADV7180_REG_CON 0x0008 /*Unsigned */
64 #define ADV7180_CON_MIN 0
65 #define ADV7180_CON_DEF 128
66 #define ADV7180_CON_MAX 255
67 /* Brightness*/
68 #define ADV7180_REG_BRI 0x000a /*Signed */
69 #define ADV7180_BRI_MIN -128
70 #define ADV7180_BRI_DEF 0
71 #define ADV7180_BRI_MAX 127
72 /* Hue */
73 #define ADV7180_REG_HUE 0x000b /*Signed, inverted */
74 #define ADV7180_HUE_MIN -127
75 #define ADV7180_HUE_DEF 0
76 #define ADV7180_HUE_MAX 128
77
78 #define ADV7180_REG_CTRL 0x000e
79 #define ADV7180_CTRL_IRQ_SPACE 0x20
80
81 #define ADV7180_REG_PWR_MAN 0x0f
82 #define ADV7180_PWR_MAN_ON 0x04
83 #define ADV7180_PWR_MAN_OFF 0x24
84 #define ADV7180_PWR_MAN_RES 0x80
85
86 #define ADV7180_REG_STATUS1 0x0010
87 #define ADV7180_STATUS1_IN_LOCK 0x01
88 #define ADV7180_STATUS1_AUTOD_MASK 0x70
89 #define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
90 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
91 #define ADV7180_STATUS1_AUTOD_PAL_M 0x20
92 #define ADV7180_STATUS1_AUTOD_PAL_60 0x30
93 #define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
94 #define ADV7180_STATUS1_AUTOD_SECAM 0x50
95 #define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
96 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
97
98 #define ADV7180_REG_IDENT 0x0011
99 #define ADV7180_ID_7180 0x18
100
101 #define ADV7180_REG_STATUS3 0x0013
102 #define ADV7180_REG_ANALOG_CLAMP_CTL 0x0014
103 #define ADV7180_REG_SHAP_FILTER_CTL_1 0x0017
104 #define ADV7180_REG_CTRL_2 0x001d
105 #define ADV7180_REG_VSYNC_FIELD_CTL_1 0x0031
106 #define ADV7180_REG_MANUAL_WIN_CTL_1 0x003d
107 #define ADV7180_REG_MANUAL_WIN_CTL_2 0x003e
108 #define ADV7180_REG_MANUAL_WIN_CTL_3 0x003f
109 #define ADV7180_REG_LOCK_CNT 0x0051
110 #define ADV7180_REG_CVBS_TRIM 0x0052
111 #define ADV7180_REG_CLAMP_ADJ 0x005a
112 #define ADV7180_REG_RES_CIR 0x005f
113 #define ADV7180_REG_DIFF_MODE 0x0060
114
115 #define ADV7180_REG_ICONF1 0x2040
116 #define ADV7180_ICONF1_ACTIVE_LOW 0x01
117 #define ADV7180_ICONF1_PSYNC_ONLY 0x10
118 #define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
119 /* Saturation */
120 #define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
121 #define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
122 #define ADV7180_SAT_MIN 0
123 #define ADV7180_SAT_DEF 128
124 #define ADV7180_SAT_MAX 255
125
126 #define ADV7180_IRQ1_LOCK 0x01
127 #define ADV7180_IRQ1_UNLOCK 0x02
128 #define ADV7180_REG_ISR1 0x2042
129 #define ADV7180_REG_ICR1 0x2043
130 #define ADV7180_REG_IMR1 0x2044
131 #define ADV7180_REG_IMR2 0x2048
132 #define ADV7180_IRQ3_AD_CHANGE 0x08
133 #define ADV7180_REG_ISR3 0x204A
134 #define ADV7180_REG_ICR3 0x204B
135 #define ADV7180_REG_IMR3 0x204C
136 #define ADV7180_REG_IMR4 0x2050
137
138 #define ADV7180_REG_NTSC_V_BIT_END 0x00E6
139 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
140
141 #define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
142 #define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
143
144 #define ADV7180_REG_ACE_CTRL1 0x4080
145 #define ADV7180_REG_ACE_CTRL5 0x4084
146 #define ADV7180_REG_FLCONTROL 0x40e0
147 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
148
149 #define ADV7180_REG_RST_CLAMP 0x809c
150 #define ADV7180_REG_AGC_ADJ1 0x80b6
151 #define ADV7180_REG_AGC_ADJ2 0x80c0
152
153 #define ADV7180_CSI_REG_PWRDN 0x00
154 #define ADV7180_CSI_PWRDN 0x80
155
156 #define ADV7180_INPUT_CVBS_AIN1 0x00
157 #define ADV7180_INPUT_CVBS_AIN2 0x01
158 #define ADV7180_INPUT_CVBS_AIN3 0x02
159 #define ADV7180_INPUT_CVBS_AIN4 0x03
160 #define ADV7180_INPUT_CVBS_AIN5 0x04
161 #define ADV7180_INPUT_CVBS_AIN6 0x05
162 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
163 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
164 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
165 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
166 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
167
168 #define ADV7182_INPUT_CVBS_AIN1 0x00
169 #define ADV7182_INPUT_CVBS_AIN2 0x01
170 #define ADV7182_INPUT_CVBS_AIN3 0x02
171 #define ADV7182_INPUT_CVBS_AIN4 0x03
172 #define ADV7182_INPUT_CVBS_AIN5 0x04
173 #define ADV7182_INPUT_CVBS_AIN6 0x05
174 #define ADV7182_INPUT_CVBS_AIN7 0x06
175 #define ADV7182_INPUT_CVBS_AIN8 0x07
176 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
177 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
178 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
179 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
180 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
181 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
182 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
183 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
184 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
185 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
186
187 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
188 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
189
190 #define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
191
192 struct adv7180_state;
193
194 #define ADV7180_FLAG_RESET_POWERED BIT(0)
195 #define ADV7180_FLAG_V2 BIT(1)
196 #define ADV7180_FLAG_MIPI_CSI2 BIT(2)
197 #define ADV7180_FLAG_I2P BIT(3)
198
199 struct adv7180_chip_info {
200 unsigned int flags;
201 unsigned int valid_input_mask;
202 int (*set_std)(struct adv7180_state *st, unsigned int std);
203 int (*select_input)(struct adv7180_state *st, unsigned int input);
204 int (*init)(struct adv7180_state *state);
205 };
206
207 struct adv7180_state {
208 struct v4l2_ctrl_handler ctrl_hdl;
209 struct v4l2_subdev sd;
210 struct media_pad pad;
211 struct mutex mutex; /* mutual excl. when accessing chip */
212 int irq;
213 struct gpio_desc *pwdn_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 };
226 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
227 struct adv7180_state, \
228 ctrl_hdl)->sd)
229
230 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
231 {
232 if (state->register_page != page) {
233 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
234 page);
235 state->register_page = page;
236 }
237
238 return 0;
239 }
240
241 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
242 unsigned int value)
243 {
244 lockdep_assert_held(&state->mutex);
245 adv7180_select_page(state, reg >> 8);
246 return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
247 }
248
249 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
250 {
251 lockdep_assert_held(&state->mutex);
252 adv7180_select_page(state, reg >> 8);
253 return i2c_smbus_read_byte_data(state->client, reg & 0xff);
254 }
255
256 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
257 unsigned int value)
258 {
259 return i2c_smbus_write_byte_data(state->csi_client, reg, value);
260 }
261
262 static int adv7180_set_video_standard(struct adv7180_state *state,
263 unsigned int std)
264 {
265 return state->chip_info->set_std(state, std);
266 }
267
268 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
269 unsigned int value)
270 {
271 return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
272 }
273
274 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
275 {
276 /* in case V4L2_IN_ST_NO_SIGNAL */
277 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
278 return V4L2_STD_UNKNOWN;
279
280 switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
281 case ADV7180_STATUS1_AUTOD_NTSM_M_J:
282 return V4L2_STD_NTSC;
283 case ADV7180_STATUS1_AUTOD_NTSC_4_43:
284 return V4L2_STD_NTSC_443;
285 case ADV7180_STATUS1_AUTOD_PAL_M:
286 return V4L2_STD_PAL_M;
287 case ADV7180_STATUS1_AUTOD_PAL_60:
288 return V4L2_STD_PAL_60;
289 case ADV7180_STATUS1_AUTOD_PAL_B_G:
290 return V4L2_STD_PAL;
291 case ADV7180_STATUS1_AUTOD_SECAM:
292 return V4L2_STD_SECAM;
293 case ADV7180_STATUS1_AUTOD_PAL_COMB:
294 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
295 case ADV7180_STATUS1_AUTOD_SECAM_525:
296 return V4L2_STD_SECAM;
297 default:
298 return V4L2_STD_UNKNOWN;
299 }
300 }
301
302 static int v4l2_std_to_adv7180(v4l2_std_id std)
303 {
304 if (std == V4L2_STD_PAL_60)
305 return ADV7180_STD_PAL60;
306 if (std == V4L2_STD_NTSC_443)
307 return ADV7180_STD_NTSC_443;
308 if (std == V4L2_STD_PAL_N)
309 return ADV7180_STD_PAL_N;
310 if (std == V4L2_STD_PAL_M)
311 return ADV7180_STD_PAL_M;
312 if (std == V4L2_STD_PAL_Nc)
313 return ADV7180_STD_PAL_COMB_N;
314
315 if (std & V4L2_STD_PAL)
316 return ADV7180_STD_PAL_BG;
317 if (std & V4L2_STD_NTSC)
318 return ADV7180_STD_NTSC_M;
319 if (std & V4L2_STD_SECAM)
320 return ADV7180_STD_PAL_SECAM;
321
322 return -EINVAL;
323 }
324
325 static u32 adv7180_status_to_v4l2(u8 status1)
326 {
327 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
328 return V4L2_IN_ST_NO_SIGNAL;
329
330 return 0;
331 }
332
333 static int __adv7180_status(struct adv7180_state *state, u32 *status,
334 v4l2_std_id *std)
335 {
336 int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
337
338 if (status1 < 0)
339 return status1;
340
341 if (status)
342 *status = adv7180_status_to_v4l2(status1);
343 if (std)
344 *std = adv7180_std_to_v4l2(status1);
345
346 return 0;
347 }
348
349 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
350 {
351 return container_of(sd, struct adv7180_state, sd);
352 }
353
354 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
355 {
356 struct adv7180_state *state = to_state(sd);
357 int err = mutex_lock_interruptible(&state->mutex);
358 if (err)
359 return err;
360
361 if (state->streaming) {
362 err = -EBUSY;
363 goto unlock;
364 }
365
366 err = adv7180_set_video_standard(state,
367 ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
368 if (err)
369 goto unlock;
370
371 msleep(100);
372 __adv7180_status(state, NULL, std);
373
374 err = v4l2_std_to_adv7180(state->curr_norm);
375 if (err < 0)
376 goto unlock;
377
378 err = adv7180_set_video_standard(state, err);
379
380 unlock:
381 mutex_unlock(&state->mutex);
382 return err;
383 }
384
385 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
386 u32 output, u32 config)
387 {
388 struct adv7180_state *state = to_state(sd);
389 int ret = mutex_lock_interruptible(&state->mutex);
390
391 if (ret)
392 return ret;
393
394 if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
395 ret = -EINVAL;
396 goto out;
397 }
398
399 ret = state->chip_info->select_input(state, input);
400
401 if (ret == 0)
402 state->input = input;
403 out:
404 mutex_unlock(&state->mutex);
405 return ret;
406 }
407
408 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
409 {
410 struct adv7180_state *state = to_state(sd);
411 int ret = mutex_lock_interruptible(&state->mutex);
412 if (ret)
413 return ret;
414
415 ret = __adv7180_status(state, status, NULL);
416 mutex_unlock(&state->mutex);
417 return ret;
418 }
419
420 static int adv7180_program_std(struct adv7180_state *state)
421 {
422 int ret;
423
424 ret = v4l2_std_to_adv7180(state->curr_norm);
425 if (ret < 0)
426 return ret;
427
428 ret = adv7180_set_video_standard(state, ret);
429 if (ret < 0)
430 return ret;
431 return 0;
432 }
433
434 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
435 {
436 struct adv7180_state *state = to_state(sd);
437 int ret = mutex_lock_interruptible(&state->mutex);
438
439 if (ret)
440 return ret;
441
442 /* Make sure we can support this std */
443 ret = v4l2_std_to_adv7180(std);
444 if (ret < 0)
445 goto out;
446
447 state->curr_norm = std;
448
449 ret = adv7180_program_std(state);
450 out:
451 mutex_unlock(&state->mutex);
452 return ret;
453 }
454
455 static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
456 {
457 struct adv7180_state *state = to_state(sd);
458
459 *norm = state->curr_norm;
460
461 return 0;
462 }
463
464 static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
465 {
466 if (!state->pwdn_gpio)
467 return;
468
469 if (on) {
470 gpiod_set_value_cansleep(state->pwdn_gpio, 0);
471 usleep_range(5000, 10000);
472 } else {
473 gpiod_set_value_cansleep(state->pwdn_gpio, 1);
474 }
475 }
476
477 static int adv7180_set_power(struct adv7180_state *state, bool on)
478 {
479 u8 val;
480 int ret;
481
482 if (on)
483 val = ADV7180_PWR_MAN_ON;
484 else
485 val = ADV7180_PWR_MAN_OFF;
486
487 ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
488 if (ret)
489 return ret;
490
491 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
492 if (on) {
493 adv7180_csi_write(state, 0xDE, 0x02);
494 adv7180_csi_write(state, 0xD2, 0xF7);
495 adv7180_csi_write(state, 0xD8, 0x65);
496 adv7180_csi_write(state, 0xE0, 0x09);
497 adv7180_csi_write(state, 0x2C, 0x00);
498 if (state->field == V4L2_FIELD_NONE)
499 adv7180_csi_write(state, 0x1D, 0x80);
500 adv7180_csi_write(state, 0x00, 0x00);
501 } else {
502 adv7180_csi_write(state, 0x00, 0x80);
503 }
504 }
505
506 return 0;
507 }
508
509 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
510 {
511 struct adv7180_state *state = to_state(sd);
512 int ret;
513
514 ret = mutex_lock_interruptible(&state->mutex);
515 if (ret)
516 return ret;
517
518 ret = adv7180_set_power(state, on);
519 if (ret == 0)
520 state->powered = on;
521
522 mutex_unlock(&state->mutex);
523 return ret;
524 }
525
526 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
527 {
528 struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
529 struct adv7180_state *state = to_state(sd);
530 int ret = mutex_lock_interruptible(&state->mutex);
531 int val;
532
533 if (ret)
534 return ret;
535 val = ctrl->val;
536 switch (ctrl->id) {
537 case V4L2_CID_BRIGHTNESS:
538 ret = adv7180_write(state, ADV7180_REG_BRI, val);
539 break;
540 case V4L2_CID_HUE:
541 /*Hue is inverted according to HSL chart */
542 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
543 break;
544 case V4L2_CID_CONTRAST:
545 ret = adv7180_write(state, ADV7180_REG_CON, val);
546 break;
547 case V4L2_CID_SATURATION:
548 /*
549 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
550 *Let's not confuse the user, everybody understands saturation
551 */
552 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
553 if (ret < 0)
554 break;
555 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
556 break;
557 case V4L2_CID_ADV_FAST_SWITCH:
558 if (ctrl->val) {
559 /* ADI required write */
560 adv7180_write(state, 0x80d9, 0x44);
561 adv7180_write(state, ADV7180_REG_FLCONTROL,
562 ADV7180_FLCONTROL_FL_ENABLE);
563 } else {
564 /* ADI required write */
565 adv7180_write(state, 0x80d9, 0xc4);
566 adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
567 }
568 break;
569 default:
570 ret = -EINVAL;
571 }
572
573 mutex_unlock(&state->mutex);
574 return ret;
575 }
576
577 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
578 .s_ctrl = adv7180_s_ctrl,
579 };
580
581 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
582 .ops = &adv7180_ctrl_ops,
583 .id = V4L2_CID_ADV_FAST_SWITCH,
584 .name = "Fast Switching",
585 .type = V4L2_CTRL_TYPE_BOOLEAN,
586 .min = 0,
587 .max = 1,
588 .step = 1,
589 };
590
591 static int adv7180_init_controls(struct adv7180_state *state)
592 {
593 v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
594
595 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
596 V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
597 ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
598 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
599 V4L2_CID_CONTRAST, ADV7180_CON_MIN,
600 ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
601 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
602 V4L2_CID_SATURATION, ADV7180_SAT_MIN,
603 ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
604 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
605 V4L2_CID_HUE, ADV7180_HUE_MIN,
606 ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
607 v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
608
609 state->sd.ctrl_handler = &state->ctrl_hdl;
610 if (state->ctrl_hdl.error) {
611 int err = state->ctrl_hdl.error;
612
613 v4l2_ctrl_handler_free(&state->ctrl_hdl);
614 return err;
615 }
616 v4l2_ctrl_handler_setup(&state->ctrl_hdl);
617
618 return 0;
619 }
620 static void adv7180_exit_controls(struct adv7180_state *state)
621 {
622 v4l2_ctrl_handler_free(&state->ctrl_hdl);
623 }
624
625 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
626 struct v4l2_subdev_pad_config *cfg,
627 struct v4l2_subdev_mbus_code_enum *code)
628 {
629 if (code->index != 0)
630 return -EINVAL;
631
632 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
633
634 return 0;
635 }
636
637 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
638 struct v4l2_mbus_framefmt *fmt)
639 {
640 struct adv7180_state *state = to_state(sd);
641
642 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
643 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
644 fmt->width = 720;
645 fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
646
647 return 0;
648 }
649
650 static int adv7180_set_field_mode(struct adv7180_state *state)
651 {
652 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
653 return 0;
654
655 if (state->field == V4L2_FIELD_NONE) {
656 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
657 adv7180_csi_write(state, 0x01, 0x20);
658 adv7180_csi_write(state, 0x02, 0x28);
659 adv7180_csi_write(state, 0x03, 0x38);
660 adv7180_csi_write(state, 0x04, 0x30);
661 adv7180_csi_write(state, 0x05, 0x30);
662 adv7180_csi_write(state, 0x06, 0x80);
663 adv7180_csi_write(state, 0x07, 0x70);
664 adv7180_csi_write(state, 0x08, 0x50);
665 }
666 adv7180_vpp_write(state, 0xa3, 0x00);
667 adv7180_vpp_write(state, 0x5b, 0x00);
668 adv7180_vpp_write(state, 0x55, 0x80);
669 } else {
670 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
671 adv7180_csi_write(state, 0x01, 0x18);
672 adv7180_csi_write(state, 0x02, 0x18);
673 adv7180_csi_write(state, 0x03, 0x30);
674 adv7180_csi_write(state, 0x04, 0x20);
675 adv7180_csi_write(state, 0x05, 0x28);
676 adv7180_csi_write(state, 0x06, 0x40);
677 adv7180_csi_write(state, 0x07, 0x58);
678 adv7180_csi_write(state, 0x08, 0x30);
679 }
680 adv7180_vpp_write(state, 0xa3, 0x70);
681 adv7180_vpp_write(state, 0x5b, 0x80);
682 adv7180_vpp_write(state, 0x55, 0x00);
683 }
684
685 return 0;
686 }
687
688 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
689 struct v4l2_subdev_pad_config *cfg,
690 struct v4l2_subdev_format *format)
691 {
692 struct adv7180_state *state = to_state(sd);
693
694 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
695 format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
696 } else {
697 adv7180_mbus_fmt(sd, &format->format);
698 format->format.field = state->field;
699 }
700
701 return 0;
702 }
703
704 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
705 struct v4l2_subdev_pad_config *cfg,
706 struct v4l2_subdev_format *format)
707 {
708 struct adv7180_state *state = to_state(sd);
709 struct v4l2_mbus_framefmt *framefmt;
710 int ret;
711
712 switch (format->format.field) {
713 case V4L2_FIELD_NONE:
714 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
715 format->format.field = V4L2_FIELD_INTERLACED;
716 break;
717 default:
718 format->format.field = V4L2_FIELD_INTERLACED;
719 break;
720 }
721
722 ret = adv7180_mbus_fmt(sd, &format->format);
723
724 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
725 if (state->field != format->format.field) {
726 state->field = format->format.field;
727 adv7180_set_power(state, false);
728 adv7180_set_field_mode(state);
729 adv7180_set_power(state, true);
730 }
731 } else {
732 framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
733 *framefmt = format->format;
734 }
735
736 return ret;
737 }
738
739 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
740 struct v4l2_mbus_config *cfg)
741 {
742 struct adv7180_state *state = to_state(sd);
743
744 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
745 cfg->type = V4L2_MBUS_CSI2;
746 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
747 V4L2_MBUS_CSI2_CHANNEL_0 |
748 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
749 } else {
750 /*
751 * The ADV7180 sensor supports BT.601/656 output modes.
752 * The BT.656 is default and not yet configurable by s/w.
753 */
754 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
755 V4L2_MBUS_DATA_ACTIVE_HIGH;
756 cfg->type = V4L2_MBUS_BT656;
757 }
758
759 return 0;
760 }
761
762 static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
763 {
764 struct adv7180_state *state = to_state(sd);
765
766 if (state->curr_norm & V4L2_STD_525_60) {
767 aspect->numerator = 11;
768 aspect->denominator = 10;
769 } else {
770 aspect->numerator = 54;
771 aspect->denominator = 59;
772 }
773
774 return 0;
775 }
776
777 static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
778 {
779 *norm = V4L2_STD_ALL;
780 return 0;
781 }
782
783 static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
784 {
785 struct adv7180_state *state = to_state(sd);
786 int ret;
787
788 /* It's always safe to stop streaming, no need to take the lock */
789 if (!enable) {
790 state->streaming = enable;
791 return 0;
792 }
793
794 /* Must wait until querystd released the lock */
795 ret = mutex_lock_interruptible(&state->mutex);
796 if (ret)
797 return ret;
798 state->streaming = enable;
799 mutex_unlock(&state->mutex);
800 return 0;
801 }
802
803 static int adv7180_subscribe_event(struct v4l2_subdev *sd,
804 struct v4l2_fh *fh,
805 struct v4l2_event_subscription *sub)
806 {
807 switch (sub->type) {
808 case V4L2_EVENT_SOURCE_CHANGE:
809 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
810 case V4L2_EVENT_CTRL:
811 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
812 default:
813 return -EINVAL;
814 }
815 }
816
817 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
818 .s_std = adv7180_s_std,
819 .g_std = adv7180_g_std,
820 .querystd = adv7180_querystd,
821 .g_input_status = adv7180_g_input_status,
822 .s_routing = adv7180_s_routing,
823 .g_mbus_config = adv7180_g_mbus_config,
824 .g_pixelaspect = adv7180_g_pixelaspect,
825 .g_tvnorms = adv7180_g_tvnorms,
826 .s_stream = adv7180_s_stream,
827 };
828
829 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
830 .s_power = adv7180_s_power,
831 .subscribe_event = adv7180_subscribe_event,
832 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
833 };
834
835 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
836 .enum_mbus_code = adv7180_enum_mbus_code,
837 .set_fmt = adv7180_set_pad_format,
838 .get_fmt = adv7180_get_pad_format,
839 };
840
841 static const struct v4l2_subdev_ops adv7180_ops = {
842 .core = &adv7180_core_ops,
843 .video = &adv7180_video_ops,
844 .pad = &adv7180_pad_ops,
845 };
846
847 static irqreturn_t adv7180_irq(int irq, void *devid)
848 {
849 struct adv7180_state *state = devid;
850 u8 isr3;
851
852 mutex_lock(&state->mutex);
853 isr3 = adv7180_read(state, ADV7180_REG_ISR3);
854 /* clear */
855 adv7180_write(state, ADV7180_REG_ICR3, isr3);
856
857 if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
858 static const struct v4l2_event src_ch = {
859 .type = V4L2_EVENT_SOURCE_CHANGE,
860 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
861 };
862
863 v4l2_subdev_notify_event(&state->sd, &src_ch);
864 }
865 mutex_unlock(&state->mutex);
866
867 return IRQ_HANDLED;
868 }
869
870 static int adv7180_init(struct adv7180_state *state)
871 {
872 int ret;
873
874 /* ITU-R BT.656-4 compatible */
875 ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
876 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
877 if (ret < 0)
878 return ret;
879
880 /* Manually set V bit end position in NTSC mode */
881 return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
882 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
883 }
884
885 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
886 {
887 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
888 (std << 4) | state->input);
889 }
890
891 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
892 {
893 int ret;
894
895 ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
896 if (ret < 0)
897 return ret;
898
899 ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
900 ret |= input;
901 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
902 }
903
904 static int adv7182_init(struct adv7180_state *state)
905 {
906 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
907 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
908 ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
909
910 if (state->chip_info->flags & ADV7180_FLAG_I2P)
911 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
912 ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
913
914 if (state->chip_info->flags & ADV7180_FLAG_V2) {
915 /* ADI recommended writes for improved video quality */
916 adv7180_write(state, 0x0080, 0x51);
917 adv7180_write(state, 0x0081, 0x51);
918 adv7180_write(state, 0x0082, 0x68);
919 }
920
921 /* ADI required writes */
922 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
923 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
924 adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
925 adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
926 } else {
927 if (state->chip_info->flags & ADV7180_FLAG_V2)
928 adv7180_write(state,
929 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
930 0x17);
931 else
932 adv7180_write(state,
933 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
934 0x07);
935 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
936 adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
937 }
938
939 adv7180_write(state, 0x0013, 0x00);
940
941 return 0;
942 }
943
944 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
945 {
946 return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
947 }
948
949 enum adv7182_input_type {
950 ADV7182_INPUT_TYPE_CVBS,
951 ADV7182_INPUT_TYPE_DIFF_CVBS,
952 ADV7182_INPUT_TYPE_SVIDEO,
953 ADV7182_INPUT_TYPE_YPBPR,
954 };
955
956 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
957 {
958 switch (input) {
959 case ADV7182_INPUT_CVBS_AIN1:
960 case ADV7182_INPUT_CVBS_AIN2:
961 case ADV7182_INPUT_CVBS_AIN3:
962 case ADV7182_INPUT_CVBS_AIN4:
963 case ADV7182_INPUT_CVBS_AIN5:
964 case ADV7182_INPUT_CVBS_AIN6:
965 case ADV7182_INPUT_CVBS_AIN7:
966 case ADV7182_INPUT_CVBS_AIN8:
967 return ADV7182_INPUT_TYPE_CVBS;
968 case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
969 case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
970 case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
971 case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
972 return ADV7182_INPUT_TYPE_SVIDEO;
973 case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
974 case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
975 return ADV7182_INPUT_TYPE_YPBPR;
976 case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
977 case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
978 case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
979 case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
980 return ADV7182_INPUT_TYPE_DIFF_CVBS;
981 default: /* Will never happen */
982 return 0;
983 }
984 }
985
986 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
987 static unsigned int adv7182_lbias_settings[][3] = {
988 [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
989 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
990 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
991 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
992 };
993
994 static unsigned int adv7280_lbias_settings[][3] = {
995 [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
996 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
997 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
998 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
999 };
1000
1001 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
1002 {
1003 enum adv7182_input_type input_type;
1004 unsigned int *lbias;
1005 unsigned int i;
1006 int ret;
1007
1008 ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
1009 if (ret)
1010 return ret;
1011
1012 /* Reset clamp circuitry - ADI recommended writes */
1013 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
1014 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
1015
1016 input_type = adv7182_get_input_type(input);
1017
1018 switch (input_type) {
1019 case ADV7182_INPUT_TYPE_CVBS:
1020 case ADV7182_INPUT_TYPE_DIFF_CVBS:
1021 /* ADI recommends to use the SH1 filter */
1022 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
1023 break;
1024 default:
1025 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
1026 break;
1027 }
1028
1029 if (state->chip_info->flags & ADV7180_FLAG_V2)
1030 lbias = adv7280_lbias_settings[input_type];
1031 else
1032 lbias = adv7182_lbias_settings[input_type];
1033
1034 for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
1035 adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
1036
1037 if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1038 /* ADI required writes to make differential CVBS work */
1039 adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
1040 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
1041 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
1042 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
1043 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
1044 } else {
1045 adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
1046 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
1047 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
1048 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
1049 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
1050 }
1051
1052 return 0;
1053 }
1054
1055 static const struct adv7180_chip_info adv7180_info = {
1056 .flags = ADV7180_FLAG_RESET_POWERED,
1057 /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1058 * all inputs and let the card driver take care of validation
1059 */
1060 .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1061 BIT(ADV7180_INPUT_CVBS_AIN2) |
1062 BIT(ADV7180_INPUT_CVBS_AIN3) |
1063 BIT(ADV7180_INPUT_CVBS_AIN4) |
1064 BIT(ADV7180_INPUT_CVBS_AIN5) |
1065 BIT(ADV7180_INPUT_CVBS_AIN6) |
1066 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1067 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1068 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1069 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1070 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1071 .init = adv7180_init,
1072 .set_std = adv7180_set_std,
1073 .select_input = adv7180_select_input,
1074 };
1075
1076 static const struct adv7180_chip_info adv7182_info = {
1077 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1078 BIT(ADV7182_INPUT_CVBS_AIN2) |
1079 BIT(ADV7182_INPUT_CVBS_AIN3) |
1080 BIT(ADV7182_INPUT_CVBS_AIN4) |
1081 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1082 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1083 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1084 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1085 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1086 .init = adv7182_init,
1087 .set_std = adv7182_set_std,
1088 .select_input = adv7182_select_input,
1089 };
1090
1091 static const struct adv7180_chip_info adv7280_info = {
1092 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1093 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1094 BIT(ADV7182_INPUT_CVBS_AIN2) |
1095 BIT(ADV7182_INPUT_CVBS_AIN3) |
1096 BIT(ADV7182_INPUT_CVBS_AIN4) |
1097 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1098 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1099 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1100 .init = adv7182_init,
1101 .set_std = adv7182_set_std,
1102 .select_input = adv7182_select_input,
1103 };
1104
1105 static const struct adv7180_chip_info adv7280_m_info = {
1106 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1107 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1108 BIT(ADV7182_INPUT_CVBS_AIN2) |
1109 BIT(ADV7182_INPUT_CVBS_AIN3) |
1110 BIT(ADV7182_INPUT_CVBS_AIN4) |
1111 BIT(ADV7182_INPUT_CVBS_AIN5) |
1112 BIT(ADV7182_INPUT_CVBS_AIN6) |
1113 BIT(ADV7182_INPUT_CVBS_AIN7) |
1114 BIT(ADV7182_INPUT_CVBS_AIN8) |
1115 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1116 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1117 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1118 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1119 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1120 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1121 .init = adv7182_init,
1122 .set_std = adv7182_set_std,
1123 .select_input = adv7182_select_input,
1124 };
1125
1126 static const struct adv7180_chip_info adv7281_info = {
1127 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1128 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1129 BIT(ADV7182_INPUT_CVBS_AIN2) |
1130 BIT(ADV7182_INPUT_CVBS_AIN7) |
1131 BIT(ADV7182_INPUT_CVBS_AIN8) |
1132 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1133 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1134 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1135 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1136 .init = adv7182_init,
1137 .set_std = adv7182_set_std,
1138 .select_input = adv7182_select_input,
1139 };
1140
1141 static const struct adv7180_chip_info adv7281_m_info = {
1142 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1143 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1144 BIT(ADV7182_INPUT_CVBS_AIN2) |
1145 BIT(ADV7182_INPUT_CVBS_AIN3) |
1146 BIT(ADV7182_INPUT_CVBS_AIN4) |
1147 BIT(ADV7182_INPUT_CVBS_AIN7) |
1148 BIT(ADV7182_INPUT_CVBS_AIN8) |
1149 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1150 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1151 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1152 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1153 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1154 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1155 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1156 .init = adv7182_init,
1157 .set_std = adv7182_set_std,
1158 .select_input = adv7182_select_input,
1159 };
1160
1161 static const struct adv7180_chip_info adv7281_ma_info = {
1162 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1163 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1164 BIT(ADV7182_INPUT_CVBS_AIN2) |
1165 BIT(ADV7182_INPUT_CVBS_AIN3) |
1166 BIT(ADV7182_INPUT_CVBS_AIN4) |
1167 BIT(ADV7182_INPUT_CVBS_AIN5) |
1168 BIT(ADV7182_INPUT_CVBS_AIN6) |
1169 BIT(ADV7182_INPUT_CVBS_AIN7) |
1170 BIT(ADV7182_INPUT_CVBS_AIN8) |
1171 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1172 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1173 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1174 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1175 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1176 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1177 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1178 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1179 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1180 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1181 .init = adv7182_init,
1182 .set_std = adv7182_set_std,
1183 .select_input = adv7182_select_input,
1184 };
1185
1186 static const struct adv7180_chip_info adv7282_info = {
1187 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1188 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1189 BIT(ADV7182_INPUT_CVBS_AIN2) |
1190 BIT(ADV7182_INPUT_CVBS_AIN7) |
1191 BIT(ADV7182_INPUT_CVBS_AIN8) |
1192 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1193 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1194 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1195 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1196 .init = adv7182_init,
1197 .set_std = adv7182_set_std,
1198 .select_input = adv7182_select_input,
1199 };
1200
1201 static const struct adv7180_chip_info adv7282_m_info = {
1202 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1203 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1204 BIT(ADV7182_INPUT_CVBS_AIN2) |
1205 BIT(ADV7182_INPUT_CVBS_AIN3) |
1206 BIT(ADV7182_INPUT_CVBS_AIN4) |
1207 BIT(ADV7182_INPUT_CVBS_AIN7) |
1208 BIT(ADV7182_INPUT_CVBS_AIN8) |
1209 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1210 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1211 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1212 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1213 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1214 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1215 .init = adv7182_init,
1216 .set_std = adv7182_set_std,
1217 .select_input = adv7182_select_input,
1218 };
1219
1220 static int init_device(struct adv7180_state *state)
1221 {
1222 int ret;
1223
1224 mutex_lock(&state->mutex);
1225
1226 adv7180_set_power_pin(state, true);
1227
1228 adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1229 usleep_range(5000, 10000);
1230
1231 ret = state->chip_info->init(state);
1232 if (ret)
1233 goto out_unlock;
1234
1235 ret = adv7180_program_std(state);
1236 if (ret)
1237 goto out_unlock;
1238
1239 adv7180_set_field_mode(state);
1240
1241 /* register for interrupts */
1242 if (state->irq > 0) {
1243 /* config the Interrupt pin to be active low */
1244 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1245 ADV7180_ICONF1_ACTIVE_LOW |
1246 ADV7180_ICONF1_PSYNC_ONLY);
1247 if (ret < 0)
1248 goto out_unlock;
1249
1250 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1251 if (ret < 0)
1252 goto out_unlock;
1253
1254 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1255 if (ret < 0)
1256 goto out_unlock;
1257
1258 /* enable AD change interrupts interrupts */
1259 ret = adv7180_write(state, ADV7180_REG_IMR3,
1260 ADV7180_IRQ3_AD_CHANGE);
1261 if (ret < 0)
1262 goto out_unlock;
1263
1264 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1265 if (ret < 0)
1266 goto out_unlock;
1267 }
1268
1269 out_unlock:
1270 mutex_unlock(&state->mutex);
1271
1272 return ret;
1273 }
1274
1275 static int adv7180_probe(struct i2c_client *client,
1276 const struct i2c_device_id *id)
1277 {
1278 struct adv7180_state *state;
1279 struct v4l2_subdev *sd;
1280 int ret;
1281
1282 /* Check if the adapter supports the needed features */
1283 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1284 return -EIO;
1285
1286 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1287 client->addr, client->adapter->name);
1288
1289 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1290 if (state == NULL)
1291 return -ENOMEM;
1292
1293 state->client = client;
1294 state->field = V4L2_FIELD_INTERLACED;
1295 state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1296
1297 state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
1298 GPIOD_OUT_HIGH);
1299 if (IS_ERR(state->pwdn_gpio)) {
1300 ret = PTR_ERR(state->pwdn_gpio);
1301 v4l_err(client, "request for power pin failed: %d\n", ret);
1302 return ret;
1303 }
1304
1305 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1306 state->csi_client = i2c_new_dummy(client->adapter,
1307 ADV7180_DEFAULT_CSI_I2C_ADDR);
1308 if (!state->csi_client)
1309 return -ENOMEM;
1310 }
1311
1312 if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1313 state->vpp_client = i2c_new_dummy(client->adapter,
1314 ADV7180_DEFAULT_VPP_I2C_ADDR);
1315 if (!state->vpp_client) {
1316 ret = -ENOMEM;
1317 goto err_unregister_csi_client;
1318 }
1319 }
1320
1321 state->irq = client->irq;
1322 mutex_init(&state->mutex);
1323 state->curr_norm = V4L2_STD_NTSC;
1324 if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1325 state->powered = true;
1326 else
1327 state->powered = false;
1328 state->input = 0;
1329 sd = &state->sd;
1330 v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1331 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1332
1333 ret = adv7180_init_controls(state);
1334 if (ret)
1335 goto err_unregister_vpp_client;
1336
1337 state->pad.flags = MEDIA_PAD_FL_SOURCE;
1338 sd->entity.flags |= MEDIA_ENT_F_ATV_DECODER;
1339 ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1340 if (ret)
1341 goto err_free_ctrl;
1342
1343 ret = init_device(state);
1344 if (ret)
1345 goto err_media_entity_cleanup;
1346
1347 if (state->irq) {
1348 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1349 IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1350 KBUILD_MODNAME, state);
1351 if (ret)
1352 goto err_media_entity_cleanup;
1353 }
1354
1355 ret = v4l2_async_register_subdev(sd);
1356 if (ret)
1357 goto err_free_irq;
1358
1359 return 0;
1360
1361 err_free_irq:
1362 if (state->irq > 0)
1363 free_irq(client->irq, state);
1364 err_media_entity_cleanup:
1365 media_entity_cleanup(&sd->entity);
1366 err_free_ctrl:
1367 adv7180_exit_controls(state);
1368 err_unregister_vpp_client:
1369 i2c_unregister_device(state->vpp_client);
1370 err_unregister_csi_client:
1371 i2c_unregister_device(state->csi_client);
1372 mutex_destroy(&state->mutex);
1373 return ret;
1374 }
1375
1376 static int adv7180_remove(struct i2c_client *client)
1377 {
1378 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1379 struct adv7180_state *state = to_state(sd);
1380
1381 v4l2_async_unregister_subdev(sd);
1382
1383 if (state->irq > 0)
1384 free_irq(client->irq, state);
1385
1386 media_entity_cleanup(&sd->entity);
1387 adv7180_exit_controls(state);
1388
1389 i2c_unregister_device(state->vpp_client);
1390 i2c_unregister_device(state->csi_client);
1391
1392 adv7180_set_power_pin(state, false);
1393
1394 mutex_destroy(&state->mutex);
1395
1396 return 0;
1397 }
1398
1399 static const struct i2c_device_id adv7180_id[] = {
1400 { "adv7180", (kernel_ulong_t)&adv7180_info },
1401 { "adv7180cp", (kernel_ulong_t)&adv7180_info },
1402 { "adv7180st", (kernel_ulong_t)&adv7180_info },
1403 { "adv7182", (kernel_ulong_t)&adv7182_info },
1404 { "adv7280", (kernel_ulong_t)&adv7280_info },
1405 { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1406 { "adv7281", (kernel_ulong_t)&adv7281_info },
1407 { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1408 { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1409 { "adv7282", (kernel_ulong_t)&adv7282_info },
1410 { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1411 {},
1412 };
1413 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1414
1415 #ifdef CONFIG_PM_SLEEP
1416 static int adv7180_suspend(struct device *dev)
1417 {
1418 struct i2c_client *client = to_i2c_client(dev);
1419 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1420 struct adv7180_state *state = to_state(sd);
1421
1422 return adv7180_set_power(state, false);
1423 }
1424
1425 static int adv7180_resume(struct device *dev)
1426 {
1427 struct i2c_client *client = to_i2c_client(dev);
1428 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1429 struct adv7180_state *state = to_state(sd);
1430 int ret;
1431
1432 ret = init_device(state);
1433 if (ret < 0)
1434 return ret;
1435
1436 ret = adv7180_set_power(state, state->powered);
1437 if (ret)
1438 return ret;
1439
1440 return 0;
1441 }
1442
1443 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1444 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1445
1446 #else
1447 #define ADV7180_PM_OPS NULL
1448 #endif
1449
1450 #ifdef CONFIG_OF
1451 static const struct of_device_id adv7180_of_id[] = {
1452 { .compatible = "adi,adv7180", },
1453 { .compatible = "adi,adv7180cp", },
1454 { .compatible = "adi,adv7180st", },
1455 { .compatible = "adi,adv7182", },
1456 { .compatible = "adi,adv7280", },
1457 { .compatible = "adi,adv7280-m", },
1458 { .compatible = "adi,adv7281", },
1459 { .compatible = "adi,adv7281-m", },
1460 { .compatible = "adi,adv7281-ma", },
1461 { .compatible = "adi,adv7282", },
1462 { .compatible = "adi,adv7282-m", },
1463 { },
1464 };
1465
1466 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1467 #endif
1468
1469 static struct i2c_driver adv7180_driver = {
1470 .driver = {
1471 .name = KBUILD_MODNAME,
1472 .pm = ADV7180_PM_OPS,
1473 .of_match_table = of_match_ptr(adv7180_of_id),
1474 },
1475 .probe = adv7180_probe,
1476 .remove = adv7180_remove,
1477 .id_table = adv7180_id,
1478 };
1479
1480 module_i2c_driver(adv7180_driver);
1481
1482 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1483 MODULE_AUTHOR("Mocean Laboratories");
1484 MODULE_LICENSE("GPL v2");
CRIS linux kernel tree