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[mirror_ubuntu-artful-kernel.git] / drivers / media / i2c / adv7180.c
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 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #include <linux/module.h>
22 #include <linux/init.h>
23 #include <linux/errno.h>
24 #include <linux/kernel.h>
25 #include <linux/interrupt.h>
26 #include <linux/i2c.h>
27 #include <linux/slab.h>
28 #include <linux/of.h>
29 #include <linux/gpio/consumer.h>
30 #include <linux/videodev2.h>
31 #include <media/v4l2-ioctl.h>
32 #include <media/v4l2-event.h>
33 #include <media/v4l2-device.h>
34 #include <media/v4l2-ctrls.h>
35 #include <linux/mutex.h>
36 #include <linux/delay.h>
37
38 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM 0x0
39 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED 0x1
40 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM 0x2
41 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM 0x3
42 #define ADV7180_STD_NTSC_J 0x4
43 #define ADV7180_STD_NTSC_M 0x5
44 #define ADV7180_STD_PAL60 0x6
45 #define ADV7180_STD_NTSC_443 0x7
46 #define ADV7180_STD_PAL_BG 0x8
47 #define ADV7180_STD_PAL_N 0x9
48 #define ADV7180_STD_PAL_M 0xa
49 #define ADV7180_STD_PAL_M_PED 0xb
50 #define ADV7180_STD_PAL_COMB_N 0xc
51 #define ADV7180_STD_PAL_COMB_N_PED 0xd
52 #define ADV7180_STD_PAL_SECAM 0xe
53 #define ADV7180_STD_PAL_SECAM_PED 0xf
54
55 #define ADV7180_REG_INPUT_CONTROL 0x0000
56 #define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
57
58 #define ADV7182_REG_INPUT_VIDSEL 0x0002
59
60 #define ADV7180_REG_OUTPUT_CONTROL 0x0003
61 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
62 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
63
64 #define ADV7180_REG_AUTODETECT_ENABLE 0x0007
65 #define ADV7180_AUTODETECT_DEFAULT 0x7f
66 /* Contrast */
67 #define ADV7180_REG_CON 0x0008 /*Unsigned */
68 #define ADV7180_CON_MIN 0
69 #define ADV7180_CON_DEF 128
70 #define ADV7180_CON_MAX 255
71 /* Brightness*/
72 #define ADV7180_REG_BRI 0x000a /*Signed */
73 #define ADV7180_BRI_MIN -128
74 #define ADV7180_BRI_DEF 0
75 #define ADV7180_BRI_MAX 127
76 /* Hue */
77 #define ADV7180_REG_HUE 0x000b /*Signed, inverted */
78 #define ADV7180_HUE_MIN -127
79 #define ADV7180_HUE_DEF 0
80 #define ADV7180_HUE_MAX 128
81
82 #define ADV7180_REG_CTRL 0x000e
83 #define ADV7180_CTRL_IRQ_SPACE 0x20
84
85 #define ADV7180_REG_PWR_MAN 0x0f
86 #define ADV7180_PWR_MAN_ON 0x04
87 #define ADV7180_PWR_MAN_OFF 0x24
88 #define ADV7180_PWR_MAN_RES 0x80
89
90 #define ADV7180_REG_STATUS1 0x0010
91 #define ADV7180_STATUS1_IN_LOCK 0x01
92 #define ADV7180_STATUS1_AUTOD_MASK 0x70
93 #define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
94 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
95 #define ADV7180_STATUS1_AUTOD_PAL_M 0x20
96 #define ADV7180_STATUS1_AUTOD_PAL_60 0x30
97 #define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
98 #define ADV7180_STATUS1_AUTOD_SECAM 0x50
99 #define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
100 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
101
102 #define ADV7180_REG_IDENT 0x0011
103 #define ADV7180_ID_7180 0x18
104
105 #define ADV7180_REG_STATUS3 0x0013
106 #define ADV7180_REG_ANALOG_CLAMP_CTL 0x0014
107 #define ADV7180_REG_SHAP_FILTER_CTL_1 0x0017
108 #define ADV7180_REG_CTRL_2 0x001d
109 #define ADV7180_REG_VSYNC_FIELD_CTL_1 0x0031
110 #define ADV7180_REG_MANUAL_WIN_CTL_1 0x003d
111 #define ADV7180_REG_MANUAL_WIN_CTL_2 0x003e
112 #define ADV7180_REG_MANUAL_WIN_CTL_3 0x003f
113 #define ADV7180_REG_LOCK_CNT 0x0051
114 #define ADV7180_REG_CVBS_TRIM 0x0052
115 #define ADV7180_REG_CLAMP_ADJ 0x005a
116 #define ADV7180_REG_RES_CIR 0x005f
117 #define ADV7180_REG_DIFF_MODE 0x0060
118
119 #define ADV7180_REG_ICONF1 0x2040
120 #define ADV7180_ICONF1_ACTIVE_LOW 0x01
121 #define ADV7180_ICONF1_PSYNC_ONLY 0x10
122 #define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
123 /* Saturation */
124 #define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
125 #define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
126 #define ADV7180_SAT_MIN 0
127 #define ADV7180_SAT_DEF 128
128 #define ADV7180_SAT_MAX 255
129
130 #define ADV7180_IRQ1_LOCK 0x01
131 #define ADV7180_IRQ1_UNLOCK 0x02
132 #define ADV7180_REG_ISR1 0x2042
133 #define ADV7180_REG_ICR1 0x2043
134 #define ADV7180_REG_IMR1 0x2044
135 #define ADV7180_REG_IMR2 0x2048
136 #define ADV7180_IRQ3_AD_CHANGE 0x08
137 #define ADV7180_REG_ISR3 0x204A
138 #define ADV7180_REG_ICR3 0x204B
139 #define ADV7180_REG_IMR3 0x204C
140 #define ADV7180_REG_IMR4 0x2050
141
142 #define ADV7180_REG_NTSC_V_BIT_END 0x00E6
143 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
144
145 #define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
146 #define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
147
148 #define ADV7180_REG_ACE_CTRL1 0x4080
149 #define ADV7180_REG_ACE_CTRL5 0x4084
150 #define ADV7180_REG_FLCONTROL 0x40e0
151 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
152
153 #define ADV7180_REG_RST_CLAMP 0x809c
154 #define ADV7180_REG_AGC_ADJ1 0x80b6
155 #define ADV7180_REG_AGC_ADJ2 0x80c0
156
157 #define ADV7180_CSI_REG_PWRDN 0x00
158 #define ADV7180_CSI_PWRDN 0x80
159
160 #define ADV7180_INPUT_CVBS_AIN1 0x00
161 #define ADV7180_INPUT_CVBS_AIN2 0x01
162 #define ADV7180_INPUT_CVBS_AIN3 0x02
163 #define ADV7180_INPUT_CVBS_AIN4 0x03
164 #define ADV7180_INPUT_CVBS_AIN5 0x04
165 #define ADV7180_INPUT_CVBS_AIN6 0x05
166 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
167 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
168 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
169 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
170 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
171
172 #define ADV7182_INPUT_CVBS_AIN1 0x00
173 #define ADV7182_INPUT_CVBS_AIN2 0x01
174 #define ADV7182_INPUT_CVBS_AIN3 0x02
175 #define ADV7182_INPUT_CVBS_AIN4 0x03
176 #define ADV7182_INPUT_CVBS_AIN5 0x04
177 #define ADV7182_INPUT_CVBS_AIN6 0x05
178 #define ADV7182_INPUT_CVBS_AIN7 0x06
179 #define ADV7182_INPUT_CVBS_AIN8 0x07
180 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
181 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
182 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
183 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
184 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
185 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
186 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
187 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
188 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
189 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
190
191 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
192 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
193
194 #define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
195
196 struct adv7180_state;
197
198 #define ADV7180_FLAG_RESET_POWERED BIT(0)
199 #define ADV7180_FLAG_V2 BIT(1)
200 #define ADV7180_FLAG_MIPI_CSI2 BIT(2)
201 #define ADV7180_FLAG_I2P BIT(3)
202
203 struct adv7180_chip_info {
204 unsigned int flags;
205 unsigned int valid_input_mask;
206 int (*set_std)(struct adv7180_state *st, unsigned int std);
207 int (*select_input)(struct adv7180_state *st, unsigned int input);
208 int (*init)(struct adv7180_state *state);
209 };
210
211 struct adv7180_state {
212 struct v4l2_ctrl_handler ctrl_hdl;
213 struct v4l2_subdev sd;
214 struct media_pad pad;
215 struct mutex mutex; /* mutual excl. when accessing chip */
216 int irq;
217 struct gpio_desc *pwdn_gpio;
218 v4l2_std_id curr_norm;
219 bool powered;
220 bool streaming;
221 u8 input;
222
223 struct i2c_client *client;
224 unsigned int register_page;
225 struct i2c_client *csi_client;
226 struct i2c_client *vpp_client;
227 const struct adv7180_chip_info *chip_info;
228 enum v4l2_field field;
229 };
230 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
231 struct adv7180_state, \
232 ctrl_hdl)->sd)
233
234 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
235 {
236 if (state->register_page != page) {
237 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
238 page);
239 state->register_page = page;
240 }
241
242 return 0;
243 }
244
245 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
246 unsigned int value)
247 {
248 lockdep_assert_held(&state->mutex);
249 adv7180_select_page(state, reg >> 8);
250 return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
251 }
252
253 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
254 {
255 lockdep_assert_held(&state->mutex);
256 adv7180_select_page(state, reg >> 8);
257 return i2c_smbus_read_byte_data(state->client, reg & 0xff);
258 }
259
260 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
261 unsigned int value)
262 {
263 return i2c_smbus_write_byte_data(state->csi_client, reg, value);
264 }
265
266 static int adv7180_set_video_standard(struct adv7180_state *state,
267 unsigned int std)
268 {
269 return state->chip_info->set_std(state, std);
270 }
271
272 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
273 unsigned int value)
274 {
275 return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
276 }
277
278 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
279 {
280 /* in case V4L2_IN_ST_NO_SIGNAL */
281 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
282 return V4L2_STD_UNKNOWN;
283
284 switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
285 case ADV7180_STATUS1_AUTOD_NTSM_M_J:
286 return V4L2_STD_NTSC;
287 case ADV7180_STATUS1_AUTOD_NTSC_4_43:
288 return V4L2_STD_NTSC_443;
289 case ADV7180_STATUS1_AUTOD_PAL_M:
290 return V4L2_STD_PAL_M;
291 case ADV7180_STATUS1_AUTOD_PAL_60:
292 return V4L2_STD_PAL_60;
293 case ADV7180_STATUS1_AUTOD_PAL_B_G:
294 return V4L2_STD_PAL;
295 case ADV7180_STATUS1_AUTOD_SECAM:
296 return V4L2_STD_SECAM;
297 case ADV7180_STATUS1_AUTOD_PAL_COMB:
298 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
299 case ADV7180_STATUS1_AUTOD_SECAM_525:
300 return V4L2_STD_SECAM;
301 default:
302 return V4L2_STD_UNKNOWN;
303 }
304 }
305
306 static int v4l2_std_to_adv7180(v4l2_std_id std)
307 {
308 if (std == V4L2_STD_PAL_60)
309 return ADV7180_STD_PAL60;
310 if (std == V4L2_STD_NTSC_443)
311 return ADV7180_STD_NTSC_443;
312 if (std == V4L2_STD_PAL_N)
313 return ADV7180_STD_PAL_N;
314 if (std == V4L2_STD_PAL_M)
315 return ADV7180_STD_PAL_M;
316 if (std == V4L2_STD_PAL_Nc)
317 return ADV7180_STD_PAL_COMB_N;
318
319 if (std & V4L2_STD_PAL)
320 return ADV7180_STD_PAL_BG;
321 if (std & V4L2_STD_NTSC)
322 return ADV7180_STD_NTSC_M;
323 if (std & V4L2_STD_SECAM)
324 return ADV7180_STD_PAL_SECAM;
325
326 return -EINVAL;
327 }
328
329 static u32 adv7180_status_to_v4l2(u8 status1)
330 {
331 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
332 return V4L2_IN_ST_NO_SIGNAL;
333
334 return 0;
335 }
336
337 static int __adv7180_status(struct adv7180_state *state, u32 *status,
338 v4l2_std_id *std)
339 {
340 int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
341
342 if (status1 < 0)
343 return status1;
344
345 if (status)
346 *status = adv7180_status_to_v4l2(status1);
347 if (std)
348 *std = adv7180_std_to_v4l2(status1);
349
350 return 0;
351 }
352
353 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
354 {
355 return container_of(sd, struct adv7180_state, sd);
356 }
357
358 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
359 {
360 struct adv7180_state *state = to_state(sd);
361 int err = mutex_lock_interruptible(&state->mutex);
362 if (err)
363 return err;
364
365 if (state->streaming) {
366 err = -EBUSY;
367 goto unlock;
368 }
369
370 err = adv7180_set_video_standard(state,
371 ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
372 if (err)
373 goto unlock;
374
375 msleep(100);
376 __adv7180_status(state, NULL, std);
377
378 err = v4l2_std_to_adv7180(state->curr_norm);
379 if (err < 0)
380 goto unlock;
381
382 err = adv7180_set_video_standard(state, err);
383
384 unlock:
385 mutex_unlock(&state->mutex);
386 return err;
387 }
388
389 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
390 u32 output, u32 config)
391 {
392 struct adv7180_state *state = to_state(sd);
393 int ret = mutex_lock_interruptible(&state->mutex);
394
395 if (ret)
396 return ret;
397
398 if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
399 ret = -EINVAL;
400 goto out;
401 }
402
403 ret = state->chip_info->select_input(state, input);
404
405 if (ret == 0)
406 state->input = input;
407 out:
408 mutex_unlock(&state->mutex);
409 return ret;
410 }
411
412 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
413 {
414 struct adv7180_state *state = to_state(sd);
415 int ret = mutex_lock_interruptible(&state->mutex);
416 if (ret)
417 return ret;
418
419 ret = __adv7180_status(state, status, NULL);
420 mutex_unlock(&state->mutex);
421 return ret;
422 }
423
424 static int adv7180_program_std(struct adv7180_state *state)
425 {
426 int ret;
427
428 ret = v4l2_std_to_adv7180(state->curr_norm);
429 if (ret < 0)
430 return ret;
431
432 ret = adv7180_set_video_standard(state, ret);
433 if (ret < 0)
434 return ret;
435 return 0;
436 }
437
438 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
439 {
440 struct adv7180_state *state = to_state(sd);
441 int ret = mutex_lock_interruptible(&state->mutex);
442
443 if (ret)
444 return ret;
445
446 /* Make sure we can support this std */
447 ret = v4l2_std_to_adv7180(std);
448 if (ret < 0)
449 goto out;
450
451 state->curr_norm = std;
452
453 ret = adv7180_program_std(state);
454 out:
455 mutex_unlock(&state->mutex);
456 return ret;
457 }
458
459 static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
460 {
461 struct adv7180_state *state = to_state(sd);
462
463 *norm = state->curr_norm;
464
465 return 0;
466 }
467
468 static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
469 {
470 if (!state->pwdn_gpio)
471 return;
472
473 if (on) {
474 gpiod_set_value_cansleep(state->pwdn_gpio, 0);
475 usleep_range(5000, 10000);
476 } else {
477 gpiod_set_value_cansleep(state->pwdn_gpio, 1);
478 }
479 }
480
481 static int adv7180_set_power(struct adv7180_state *state, bool on)
482 {
483 u8 val;
484 int ret;
485
486 if (on)
487 val = ADV7180_PWR_MAN_ON;
488 else
489 val = ADV7180_PWR_MAN_OFF;
490
491 ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
492 if (ret)
493 return ret;
494
495 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
496 if (on) {
497 adv7180_csi_write(state, 0xDE, 0x02);
498 adv7180_csi_write(state, 0xD2, 0xF7);
499 adv7180_csi_write(state, 0xD8, 0x65);
500 adv7180_csi_write(state, 0xE0, 0x09);
501 adv7180_csi_write(state, 0x2C, 0x00);
502 if (state->field == V4L2_FIELD_NONE)
503 adv7180_csi_write(state, 0x1D, 0x80);
504 adv7180_csi_write(state, 0x00, 0x00);
505 } else {
506 adv7180_csi_write(state, 0x00, 0x80);
507 }
508 }
509
510 return 0;
511 }
512
513 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
514 {
515 struct adv7180_state *state = to_state(sd);
516 int ret;
517
518 ret = mutex_lock_interruptible(&state->mutex);
519 if (ret)
520 return ret;
521
522 ret = adv7180_set_power(state, on);
523 if (ret == 0)
524 state->powered = on;
525
526 mutex_unlock(&state->mutex);
527 return ret;
528 }
529
530 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
531 {
532 struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
533 struct adv7180_state *state = to_state(sd);
534 int ret = mutex_lock_interruptible(&state->mutex);
535 int val;
536
537 if (ret)
538 return ret;
539 val = ctrl->val;
540 switch (ctrl->id) {
541 case V4L2_CID_BRIGHTNESS:
542 ret = adv7180_write(state, ADV7180_REG_BRI, val);
543 break;
544 case V4L2_CID_HUE:
545 /*Hue is inverted according to HSL chart */
546 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
547 break;
548 case V4L2_CID_CONTRAST:
549 ret = adv7180_write(state, ADV7180_REG_CON, val);
550 break;
551 case V4L2_CID_SATURATION:
552 /*
553 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
554 *Let's not confuse the user, everybody understands saturation
555 */
556 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
557 if (ret < 0)
558 break;
559 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
560 break;
561 case V4L2_CID_ADV_FAST_SWITCH:
562 if (ctrl->val) {
563 /* ADI required write */
564 adv7180_write(state, 0x80d9, 0x44);
565 adv7180_write(state, ADV7180_REG_FLCONTROL,
566 ADV7180_FLCONTROL_FL_ENABLE);
567 } else {
568 /* ADI required write */
569 adv7180_write(state, 0x80d9, 0xc4);
570 adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
571 }
572 break;
573 default:
574 ret = -EINVAL;
575 }
576
577 mutex_unlock(&state->mutex);
578 return ret;
579 }
580
581 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
582 .s_ctrl = adv7180_s_ctrl,
583 };
584
585 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
586 .ops = &adv7180_ctrl_ops,
587 .id = V4L2_CID_ADV_FAST_SWITCH,
588 .name = "Fast Switching",
589 .type = V4L2_CTRL_TYPE_BOOLEAN,
590 .min = 0,
591 .max = 1,
592 .step = 1,
593 };
594
595 static int adv7180_init_controls(struct adv7180_state *state)
596 {
597 v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
598
599 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
600 V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
601 ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
602 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
603 V4L2_CID_CONTRAST, ADV7180_CON_MIN,
604 ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
605 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
606 V4L2_CID_SATURATION, ADV7180_SAT_MIN,
607 ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
608 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
609 V4L2_CID_HUE, ADV7180_HUE_MIN,
610 ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
611 v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
612
613 state->sd.ctrl_handler = &state->ctrl_hdl;
614 if (state->ctrl_hdl.error) {
615 int err = state->ctrl_hdl.error;
616
617 v4l2_ctrl_handler_free(&state->ctrl_hdl);
618 return err;
619 }
620 v4l2_ctrl_handler_setup(&state->ctrl_hdl);
621
622 return 0;
623 }
624 static void adv7180_exit_controls(struct adv7180_state *state)
625 {
626 v4l2_ctrl_handler_free(&state->ctrl_hdl);
627 }
628
629 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
630 struct v4l2_subdev_pad_config *cfg,
631 struct v4l2_subdev_mbus_code_enum *code)
632 {
633 if (code->index != 0)
634 return -EINVAL;
635
636 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
637
638 return 0;
639 }
640
641 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
642 struct v4l2_mbus_framefmt *fmt)
643 {
644 struct adv7180_state *state = to_state(sd);
645
646 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
647 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
648 fmt->width = 720;
649 fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
650
651 return 0;
652 }
653
654 static int adv7180_set_field_mode(struct adv7180_state *state)
655 {
656 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
657 return 0;
658
659 if (state->field == V4L2_FIELD_NONE) {
660 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
661 adv7180_csi_write(state, 0x01, 0x20);
662 adv7180_csi_write(state, 0x02, 0x28);
663 adv7180_csi_write(state, 0x03, 0x38);
664 adv7180_csi_write(state, 0x04, 0x30);
665 adv7180_csi_write(state, 0x05, 0x30);
666 adv7180_csi_write(state, 0x06, 0x80);
667 adv7180_csi_write(state, 0x07, 0x70);
668 adv7180_csi_write(state, 0x08, 0x50);
669 }
670 adv7180_vpp_write(state, 0xa3, 0x00);
671 adv7180_vpp_write(state, 0x5b, 0x00);
672 adv7180_vpp_write(state, 0x55, 0x80);
673 } else {
674 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
675 adv7180_csi_write(state, 0x01, 0x18);
676 adv7180_csi_write(state, 0x02, 0x18);
677 adv7180_csi_write(state, 0x03, 0x30);
678 adv7180_csi_write(state, 0x04, 0x20);
679 adv7180_csi_write(state, 0x05, 0x28);
680 adv7180_csi_write(state, 0x06, 0x40);
681 adv7180_csi_write(state, 0x07, 0x58);
682 adv7180_csi_write(state, 0x08, 0x30);
683 }
684 adv7180_vpp_write(state, 0xa3, 0x70);
685 adv7180_vpp_write(state, 0x5b, 0x80);
686 adv7180_vpp_write(state, 0x55, 0x00);
687 }
688
689 return 0;
690 }
691
692 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
693 struct v4l2_subdev_pad_config *cfg,
694 struct v4l2_subdev_format *format)
695 {
696 struct adv7180_state *state = to_state(sd);
697
698 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
699 format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
700 } else {
701 adv7180_mbus_fmt(sd, &format->format);
702 format->format.field = state->field;
703 }
704
705 return 0;
706 }
707
708 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
709 struct v4l2_subdev_pad_config *cfg,
710 struct v4l2_subdev_format *format)
711 {
712 struct adv7180_state *state = to_state(sd);
713 struct v4l2_mbus_framefmt *framefmt;
714 int ret;
715
716 switch (format->format.field) {
717 case V4L2_FIELD_NONE:
718 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
719 format->format.field = V4L2_FIELD_INTERLACED;
720 break;
721 default:
722 format->format.field = V4L2_FIELD_INTERLACED;
723 break;
724 }
725
726 ret = adv7180_mbus_fmt(sd, &format->format);
727
728 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
729 if (state->field != format->format.field) {
730 state->field = format->format.field;
731 adv7180_set_power(state, false);
732 adv7180_set_field_mode(state);
733 adv7180_set_power(state, true);
734 }
735 } else {
736 framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
737 *framefmt = format->format;
738 }
739
740 return ret;
741 }
742
743 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
744 struct v4l2_mbus_config *cfg)
745 {
746 struct adv7180_state *state = to_state(sd);
747
748 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
749 cfg->type = V4L2_MBUS_CSI2;
750 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
751 V4L2_MBUS_CSI2_CHANNEL_0 |
752 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
753 } else {
754 /*
755 * The ADV7180 sensor supports BT.601/656 output modes.
756 * The BT.656 is default and not yet configurable by s/w.
757 */
758 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
759 V4L2_MBUS_DATA_ACTIVE_HIGH;
760 cfg->type = V4L2_MBUS_BT656;
761 }
762
763 return 0;
764 }
765
766 static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
767 {
768 struct adv7180_state *state = to_state(sd);
769
770 if (state->curr_norm & V4L2_STD_525_60) {
771 aspect->numerator = 11;
772 aspect->denominator = 10;
773 } else {
774 aspect->numerator = 54;
775 aspect->denominator = 59;
776 }
777
778 return 0;
779 }
780
781 static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
782 {
783 *norm = V4L2_STD_ALL;
784 return 0;
785 }
786
787 static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
788 {
789 struct adv7180_state *state = to_state(sd);
790 int ret;
791
792 /* It's always safe to stop streaming, no need to take the lock */
793 if (!enable) {
794 state->streaming = enable;
795 return 0;
796 }
797
798 /* Must wait until querystd released the lock */
799 ret = mutex_lock_interruptible(&state->mutex);
800 if (ret)
801 return ret;
802 state->streaming = enable;
803 mutex_unlock(&state->mutex);
804 return 0;
805 }
806
807 static int adv7180_subscribe_event(struct v4l2_subdev *sd,
808 struct v4l2_fh *fh,
809 struct v4l2_event_subscription *sub)
810 {
811 switch (sub->type) {
812 case V4L2_EVENT_SOURCE_CHANGE:
813 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
814 case V4L2_EVENT_CTRL:
815 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
816 default:
817 return -EINVAL;
818 }
819 }
820
821 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
822 .s_std = adv7180_s_std,
823 .g_std = adv7180_g_std,
824 .querystd = adv7180_querystd,
825 .g_input_status = adv7180_g_input_status,
826 .s_routing = adv7180_s_routing,
827 .g_mbus_config = adv7180_g_mbus_config,
828 .g_pixelaspect = adv7180_g_pixelaspect,
829 .g_tvnorms = adv7180_g_tvnorms,
830 .s_stream = adv7180_s_stream,
831 };
832
833 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
834 .s_power = adv7180_s_power,
835 .subscribe_event = adv7180_subscribe_event,
836 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
837 };
838
839 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
840 .enum_mbus_code = adv7180_enum_mbus_code,
841 .set_fmt = adv7180_set_pad_format,
842 .get_fmt = adv7180_get_pad_format,
843 };
844
845 static const struct v4l2_subdev_ops adv7180_ops = {
846 .core = &adv7180_core_ops,
847 .video = &adv7180_video_ops,
848 .pad = &adv7180_pad_ops,
849 };
850
851 static irqreturn_t adv7180_irq(int irq, void *devid)
852 {
853 struct adv7180_state *state = devid;
854 u8 isr3;
855
856 mutex_lock(&state->mutex);
857 isr3 = adv7180_read(state, ADV7180_REG_ISR3);
858 /* clear */
859 adv7180_write(state, ADV7180_REG_ICR3, isr3);
860
861 if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
862 static const struct v4l2_event src_ch = {
863 .type = V4L2_EVENT_SOURCE_CHANGE,
864 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
865 };
866
867 v4l2_subdev_notify_event(&state->sd, &src_ch);
868 }
869 mutex_unlock(&state->mutex);
870
871 return IRQ_HANDLED;
872 }
873
874 static int adv7180_init(struct adv7180_state *state)
875 {
876 int ret;
877
878 /* ITU-R BT.656-4 compatible */
879 ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
880 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
881 if (ret < 0)
882 return ret;
883
884 /* Manually set V bit end position in NTSC mode */
885 return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
886 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
887 }
888
889 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
890 {
891 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
892 (std << 4) | state->input);
893 }
894
895 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
896 {
897 int ret;
898
899 ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
900 if (ret < 0)
901 return ret;
902
903 ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
904 ret |= input;
905 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
906 }
907
908 static int adv7182_init(struct adv7180_state *state)
909 {
910 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
911 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
912 ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
913
914 if (state->chip_info->flags & ADV7180_FLAG_I2P)
915 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
916 ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
917
918 if (state->chip_info->flags & ADV7180_FLAG_V2) {
919 /* ADI recommended writes for improved video quality */
920 adv7180_write(state, 0x0080, 0x51);
921 adv7180_write(state, 0x0081, 0x51);
922 adv7180_write(state, 0x0082, 0x68);
923 }
924
925 /* ADI required writes */
926 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
927 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
928 adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
929 adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
930 } else {
931 if (state->chip_info->flags & ADV7180_FLAG_V2)
932 adv7180_write(state,
933 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
934 0x17);
935 else
936 adv7180_write(state,
937 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
938 0x07);
939 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
940 adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
941 }
942
943 adv7180_write(state, 0x0013, 0x00);
944
945 return 0;
946 }
947
948 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
949 {
950 return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
951 }
952
953 enum adv7182_input_type {
954 ADV7182_INPUT_TYPE_CVBS,
955 ADV7182_INPUT_TYPE_DIFF_CVBS,
956 ADV7182_INPUT_TYPE_SVIDEO,
957 ADV7182_INPUT_TYPE_YPBPR,
958 };
959
960 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
961 {
962 switch (input) {
963 case ADV7182_INPUT_CVBS_AIN1:
964 case ADV7182_INPUT_CVBS_AIN2:
965 case ADV7182_INPUT_CVBS_AIN3:
966 case ADV7182_INPUT_CVBS_AIN4:
967 case ADV7182_INPUT_CVBS_AIN5:
968 case ADV7182_INPUT_CVBS_AIN6:
969 case ADV7182_INPUT_CVBS_AIN7:
970 case ADV7182_INPUT_CVBS_AIN8:
971 return ADV7182_INPUT_TYPE_CVBS;
972 case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
973 case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
974 case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
975 case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
976 return ADV7182_INPUT_TYPE_SVIDEO;
977 case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
978 case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
979 return ADV7182_INPUT_TYPE_YPBPR;
980 case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
981 case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
982 case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
983 case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
984 return ADV7182_INPUT_TYPE_DIFF_CVBS;
985 default: /* Will never happen */
986 return 0;
987 }
988 }
989
990 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
991 static unsigned int adv7182_lbias_settings[][3] = {
992 [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
993 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
994 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
995 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
996 };
997
998 static unsigned int adv7280_lbias_settings[][3] = {
999 [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
1000 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1001 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1002 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1003 };
1004
1005 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
1006 {
1007 enum adv7182_input_type input_type;
1008 unsigned int *lbias;
1009 unsigned int i;
1010 int ret;
1011
1012 ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
1013 if (ret)
1014 return ret;
1015
1016 /* Reset clamp circuitry - ADI recommended writes */
1017 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
1018 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
1019
1020 input_type = adv7182_get_input_type(input);
1021
1022 switch (input_type) {
1023 case ADV7182_INPUT_TYPE_CVBS:
1024 case ADV7182_INPUT_TYPE_DIFF_CVBS:
1025 /* ADI recommends to use the SH1 filter */
1026 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
1027 break;
1028 default:
1029 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
1030 break;
1031 }
1032
1033 if (state->chip_info->flags & ADV7180_FLAG_V2)
1034 lbias = adv7280_lbias_settings[input_type];
1035 else
1036 lbias = adv7182_lbias_settings[input_type];
1037
1038 for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
1039 adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
1040
1041 if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1042 /* ADI required writes to make differential CVBS work */
1043 adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
1044 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
1045 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
1046 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
1047 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
1048 } else {
1049 adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
1050 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
1051 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
1052 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
1053 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
1054 }
1055
1056 return 0;
1057 }
1058
1059 static const struct adv7180_chip_info adv7180_info = {
1060 .flags = ADV7180_FLAG_RESET_POWERED,
1061 /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1062 * all inputs and let the card driver take care of validation
1063 */
1064 .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1065 BIT(ADV7180_INPUT_CVBS_AIN2) |
1066 BIT(ADV7180_INPUT_CVBS_AIN3) |
1067 BIT(ADV7180_INPUT_CVBS_AIN4) |
1068 BIT(ADV7180_INPUT_CVBS_AIN5) |
1069 BIT(ADV7180_INPUT_CVBS_AIN6) |
1070 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1071 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1072 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1073 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1074 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1075 .init = adv7180_init,
1076 .set_std = adv7180_set_std,
1077 .select_input = adv7180_select_input,
1078 };
1079
1080 static const struct adv7180_chip_info adv7182_info = {
1081 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1082 BIT(ADV7182_INPUT_CVBS_AIN2) |
1083 BIT(ADV7182_INPUT_CVBS_AIN3) |
1084 BIT(ADV7182_INPUT_CVBS_AIN4) |
1085 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1086 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1087 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1088 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1089 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1090 .init = adv7182_init,
1091 .set_std = adv7182_set_std,
1092 .select_input = adv7182_select_input,
1093 };
1094
1095 static const struct adv7180_chip_info adv7280_info = {
1096 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1097 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1098 BIT(ADV7182_INPUT_CVBS_AIN2) |
1099 BIT(ADV7182_INPUT_CVBS_AIN3) |
1100 BIT(ADV7182_INPUT_CVBS_AIN4) |
1101 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1102 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1103 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1104 .init = adv7182_init,
1105 .set_std = adv7182_set_std,
1106 .select_input = adv7182_select_input,
1107 };
1108
1109 static const struct adv7180_chip_info adv7280_m_info = {
1110 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1111 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1112 BIT(ADV7182_INPUT_CVBS_AIN2) |
1113 BIT(ADV7182_INPUT_CVBS_AIN3) |
1114 BIT(ADV7182_INPUT_CVBS_AIN4) |
1115 BIT(ADV7182_INPUT_CVBS_AIN5) |
1116 BIT(ADV7182_INPUT_CVBS_AIN6) |
1117 BIT(ADV7182_INPUT_CVBS_AIN7) |
1118 BIT(ADV7182_INPUT_CVBS_AIN8) |
1119 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1120 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1121 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1122 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1123 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1124 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1125 .init = adv7182_init,
1126 .set_std = adv7182_set_std,
1127 .select_input = adv7182_select_input,
1128 };
1129
1130 static const struct adv7180_chip_info adv7281_info = {
1131 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1132 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1133 BIT(ADV7182_INPUT_CVBS_AIN2) |
1134 BIT(ADV7182_INPUT_CVBS_AIN7) |
1135 BIT(ADV7182_INPUT_CVBS_AIN8) |
1136 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1137 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1138 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1139 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1140 .init = adv7182_init,
1141 .set_std = adv7182_set_std,
1142 .select_input = adv7182_select_input,
1143 };
1144
1145 static const struct adv7180_chip_info adv7281_m_info = {
1146 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1147 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1148 BIT(ADV7182_INPUT_CVBS_AIN2) |
1149 BIT(ADV7182_INPUT_CVBS_AIN3) |
1150 BIT(ADV7182_INPUT_CVBS_AIN4) |
1151 BIT(ADV7182_INPUT_CVBS_AIN7) |
1152 BIT(ADV7182_INPUT_CVBS_AIN8) |
1153 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1154 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1155 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1156 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1157 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1158 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1159 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1160 .init = adv7182_init,
1161 .set_std = adv7182_set_std,
1162 .select_input = adv7182_select_input,
1163 };
1164
1165 static const struct adv7180_chip_info adv7281_ma_info = {
1166 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1167 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1168 BIT(ADV7182_INPUT_CVBS_AIN2) |
1169 BIT(ADV7182_INPUT_CVBS_AIN3) |
1170 BIT(ADV7182_INPUT_CVBS_AIN4) |
1171 BIT(ADV7182_INPUT_CVBS_AIN5) |
1172 BIT(ADV7182_INPUT_CVBS_AIN6) |
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_AIN5_AIN6) |
1178 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1179 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1180 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1181 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1182 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1183 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1184 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1185 .init = adv7182_init,
1186 .set_std = adv7182_set_std,
1187 .select_input = adv7182_select_input,
1188 };
1189
1190 static const struct adv7180_chip_info adv7282_info = {
1191 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1192 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1193 BIT(ADV7182_INPUT_CVBS_AIN2) |
1194 BIT(ADV7182_INPUT_CVBS_AIN7) |
1195 BIT(ADV7182_INPUT_CVBS_AIN8) |
1196 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1197 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1198 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1199 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1200 .init = adv7182_init,
1201 .set_std = adv7182_set_std,
1202 .select_input = adv7182_select_input,
1203 };
1204
1205 static const struct adv7180_chip_info adv7282_m_info = {
1206 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1207 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1208 BIT(ADV7182_INPUT_CVBS_AIN2) |
1209 BIT(ADV7182_INPUT_CVBS_AIN3) |
1210 BIT(ADV7182_INPUT_CVBS_AIN4) |
1211 BIT(ADV7182_INPUT_CVBS_AIN7) |
1212 BIT(ADV7182_INPUT_CVBS_AIN8) |
1213 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1214 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1215 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1216 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1217 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1218 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1219 .init = adv7182_init,
1220 .set_std = adv7182_set_std,
1221 .select_input = adv7182_select_input,
1222 };
1223
1224 static int init_device(struct adv7180_state *state)
1225 {
1226 int ret;
1227
1228 mutex_lock(&state->mutex);
1229
1230 adv7180_set_power_pin(state, true);
1231
1232 adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1233 usleep_range(5000, 10000);
1234
1235 ret = state->chip_info->init(state);
1236 if (ret)
1237 goto out_unlock;
1238
1239 ret = adv7180_program_std(state);
1240 if (ret)
1241 goto out_unlock;
1242
1243 adv7180_set_field_mode(state);
1244
1245 /* register for interrupts */
1246 if (state->irq > 0) {
1247 /* config the Interrupt pin to be active low */
1248 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1249 ADV7180_ICONF1_ACTIVE_LOW |
1250 ADV7180_ICONF1_PSYNC_ONLY);
1251 if (ret < 0)
1252 goto out_unlock;
1253
1254 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1255 if (ret < 0)
1256 goto out_unlock;
1257
1258 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1259 if (ret < 0)
1260 goto out_unlock;
1261
1262 /* enable AD change interrupts interrupts */
1263 ret = adv7180_write(state, ADV7180_REG_IMR3,
1264 ADV7180_IRQ3_AD_CHANGE);
1265 if (ret < 0)
1266 goto out_unlock;
1267
1268 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1269 if (ret < 0)
1270 goto out_unlock;
1271 }
1272
1273 out_unlock:
1274 mutex_unlock(&state->mutex);
1275
1276 return ret;
1277 }
1278
1279 static int adv7180_probe(struct i2c_client *client,
1280 const struct i2c_device_id *id)
1281 {
1282 struct adv7180_state *state;
1283 struct v4l2_subdev *sd;
1284 int ret;
1285
1286 /* Check if the adapter supports the needed features */
1287 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1288 return -EIO;
1289
1290 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1291 client->addr, client->adapter->name);
1292
1293 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1294 if (state == NULL)
1295 return -ENOMEM;
1296
1297 state->client = client;
1298 state->field = V4L2_FIELD_INTERLACED;
1299 state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1300
1301 state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
1302 GPIOD_OUT_HIGH);
1303 if (IS_ERR(state->pwdn_gpio)) {
1304 ret = PTR_ERR(state->pwdn_gpio);
1305 v4l_err(client, "request for power pin failed: %d\n", ret);
1306 return ret;
1307 }
1308
1309 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1310 state->csi_client = i2c_new_dummy(client->adapter,
1311 ADV7180_DEFAULT_CSI_I2C_ADDR);
1312 if (!state->csi_client)
1313 return -ENOMEM;
1314 }
1315
1316 if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1317 state->vpp_client = i2c_new_dummy(client->adapter,
1318 ADV7180_DEFAULT_VPP_I2C_ADDR);
1319 if (!state->vpp_client) {
1320 ret = -ENOMEM;
1321 goto err_unregister_csi_client;
1322 }
1323 }
1324
1325 state->irq = client->irq;
1326 mutex_init(&state->mutex);
1327 state->curr_norm = V4L2_STD_NTSC;
1328 if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1329 state->powered = true;
1330 else
1331 state->powered = false;
1332 state->input = 0;
1333 sd = &state->sd;
1334 v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1335 sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1336
1337 ret = adv7180_init_controls(state);
1338 if (ret)
1339 goto err_unregister_vpp_client;
1340
1341 state->pad.flags = MEDIA_PAD_FL_SOURCE;
1342 sd->entity.flags |= MEDIA_ENT_F_ATV_DECODER;
1343 ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1344 if (ret)
1345 goto err_free_ctrl;
1346
1347 ret = init_device(state);
1348 if (ret)
1349 goto err_media_entity_cleanup;
1350
1351 if (state->irq) {
1352 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1353 IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1354 KBUILD_MODNAME, state);
1355 if (ret)
1356 goto err_media_entity_cleanup;
1357 }
1358
1359 ret = v4l2_async_register_subdev(sd);
1360 if (ret)
1361 goto err_free_irq;
1362
1363 return 0;
1364
1365 err_free_irq:
1366 if (state->irq > 0)
1367 free_irq(client->irq, state);
1368 err_media_entity_cleanup:
1369 media_entity_cleanup(&sd->entity);
1370 err_free_ctrl:
1371 adv7180_exit_controls(state);
1372 err_unregister_vpp_client:
1373 if (state->chip_info->flags & ADV7180_FLAG_I2P)
1374 i2c_unregister_device(state->vpp_client);
1375 err_unregister_csi_client:
1376 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1377 i2c_unregister_device(state->csi_client);
1378 mutex_destroy(&state->mutex);
1379 return ret;
1380 }
1381
1382 static int adv7180_remove(struct i2c_client *client)
1383 {
1384 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1385 struct adv7180_state *state = to_state(sd);
1386
1387 v4l2_async_unregister_subdev(sd);
1388
1389 if (state->irq > 0)
1390 free_irq(client->irq, state);
1391
1392 media_entity_cleanup(&sd->entity);
1393 adv7180_exit_controls(state);
1394
1395 if (state->chip_info->flags & ADV7180_FLAG_I2P)
1396 i2c_unregister_device(state->vpp_client);
1397 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1398 i2c_unregister_device(state->csi_client);
1399
1400 adv7180_set_power_pin(state, false);
1401
1402 mutex_destroy(&state->mutex);
1403
1404 return 0;
1405 }
1406
1407 static const struct i2c_device_id adv7180_id[] = {
1408 { "adv7180", (kernel_ulong_t)&adv7180_info },
1409 { "adv7182", (kernel_ulong_t)&adv7182_info },
1410 { "adv7280", (kernel_ulong_t)&adv7280_info },
1411 { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1412 { "adv7281", (kernel_ulong_t)&adv7281_info },
1413 { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1414 { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1415 { "adv7282", (kernel_ulong_t)&adv7282_info },
1416 { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1417 {},
1418 };
1419 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1420
1421 #ifdef CONFIG_PM_SLEEP
1422 static int adv7180_suspend(struct device *dev)
1423 {
1424 struct i2c_client *client = to_i2c_client(dev);
1425 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1426 struct adv7180_state *state = to_state(sd);
1427
1428 return adv7180_set_power(state, false);
1429 }
1430
1431 static int adv7180_resume(struct device *dev)
1432 {
1433 struct i2c_client *client = to_i2c_client(dev);
1434 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1435 struct adv7180_state *state = to_state(sd);
1436 int ret;
1437
1438 ret = init_device(state);
1439 if (ret < 0)
1440 return ret;
1441
1442 ret = adv7180_set_power(state, state->powered);
1443 if (ret)
1444 return ret;
1445
1446 return 0;
1447 }
1448
1449 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1450 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1451
1452 #else
1453 #define ADV7180_PM_OPS NULL
1454 #endif
1455
1456 #ifdef CONFIG_OF
1457 static const struct of_device_id adv7180_of_id[] = {
1458 { .compatible = "adi,adv7180", },
1459 { .compatible = "adi,adv7182", },
1460 { .compatible = "adi,adv7280", },
1461 { .compatible = "adi,adv7280-m", },
1462 { .compatible = "adi,adv7281", },
1463 { .compatible = "adi,adv7281-m", },
1464 { .compatible = "adi,adv7281-ma", },
1465 { .compatible = "adi,adv7282", },
1466 { .compatible = "adi,adv7282-m", },
1467 { },
1468 };
1469
1470 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1471 #endif
1472
1473 static struct i2c_driver adv7180_driver = {
1474 .driver = {
1475 .name = KBUILD_MODNAME,
1476 .pm = ADV7180_PM_OPS,
1477 .of_match_table = of_match_ptr(adv7180_of_id),
1478 },
1479 .probe = adv7180_probe,
1480 .remove = adv7180_remove,
1481 .id_table = adv7180_id,
1482 };
1483
1484 module_i2c_driver(adv7180_driver);
1485
1486 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1487 MODULE_AUTHOR("Mocean Laboratories");
1488 MODULE_LICENSE("GPL v2");
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