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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux...
[linux/fpc-iii.git] / drivers / media / i2c / adv7180.c
blobff57c1dcb8aff35a2b1487307655305a9d626cc5
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 <media/v4l2-ioctl.h>
30 #include <linux/videodev2.h>
31 #include <media/v4l2-device.h>
32 #include <media/v4l2-ctrls.h>
33 #include <linux/mutex.h>
34 #include <linux/delay.h>
35
36 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM 0x0
37 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED 0x1
38 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM 0x2
39 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM 0x3
40 #define ADV7180_STD_NTSC_J 0x4
41 #define ADV7180_STD_NTSC_M 0x5
42 #define ADV7180_STD_PAL60 0x6
43 #define ADV7180_STD_NTSC_443 0x7
44 #define ADV7180_STD_PAL_BG 0x8
45 #define ADV7180_STD_PAL_N 0x9
46 #define ADV7180_STD_PAL_M 0xa
47 #define ADV7180_STD_PAL_M_PED 0xb
48 #define ADV7180_STD_PAL_COMB_N 0xc
49 #define ADV7180_STD_PAL_COMB_N_PED 0xd
50 #define ADV7180_STD_PAL_SECAM 0xe
51 #define ADV7180_STD_PAL_SECAM_PED 0xf
52
53 #define ADV7180_REG_INPUT_CONTROL 0x0000
54 #define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
55
56 #define ADV7182_REG_INPUT_VIDSEL 0x0002
57
58 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
59 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
60
61 #define ADV7180_REG_AUTODETECT_ENABLE 0x07
62 #define ADV7180_AUTODETECT_DEFAULT 0x7f
63 /* Contrast */
64 #define ADV7180_REG_CON 0x0008 /*Unsigned */
65 #define ADV7180_CON_MIN 0
66 #define ADV7180_CON_DEF 128
67 #define ADV7180_CON_MAX 255
68 /* Brightness*/
69 #define ADV7180_REG_BRI 0x000a /*Signed */
70 #define ADV7180_BRI_MIN -128
71 #define ADV7180_BRI_DEF 0
72 #define ADV7180_BRI_MAX 127
73 /* Hue */
74 #define ADV7180_REG_HUE 0x000b /*Signed, inverted */
75 #define ADV7180_HUE_MIN -127
76 #define ADV7180_HUE_DEF 0
77 #define ADV7180_HUE_MAX 128
78
79 #define ADV7180_REG_CTRL 0x000e
80 #define ADV7180_CTRL_IRQ_SPACE 0x20
81
82 #define ADV7180_REG_PWR_MAN 0x0f
83 #define ADV7180_PWR_MAN_ON 0x04
84 #define ADV7180_PWR_MAN_OFF 0x24
85 #define ADV7180_PWR_MAN_RES 0x80
86
87 #define ADV7180_REG_STATUS1 0x0010
88 #define ADV7180_STATUS1_IN_LOCK 0x01
89 #define ADV7180_STATUS1_AUTOD_MASK 0x70
90 #define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
91 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
92 #define ADV7180_STATUS1_AUTOD_PAL_M 0x20
93 #define ADV7180_STATUS1_AUTOD_PAL_60 0x30
94 #define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
95 #define ADV7180_STATUS1_AUTOD_SECAM 0x50
96 #define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
97 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
98
99 #define ADV7180_REG_IDENT 0x0011
100 #define ADV7180_ID_7180 0x18
101
102 #define ADV7180_REG_ICONF1 0x0040
103 #define ADV7180_ICONF1_ACTIVE_LOW 0x01
104 #define ADV7180_ICONF1_PSYNC_ONLY 0x10
105 #define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
106 /* Saturation */
107 #define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
108 #define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
109 #define ADV7180_SAT_MIN 0
110 #define ADV7180_SAT_DEF 128
111 #define ADV7180_SAT_MAX 255
112
113 #define ADV7180_IRQ1_LOCK 0x01
114 #define ADV7180_IRQ1_UNLOCK 0x02
115 #define ADV7180_REG_ISR1 0x0042
116 #define ADV7180_REG_ICR1 0x0043
117 #define ADV7180_REG_IMR1 0x0044
118 #define ADV7180_REG_IMR2 0x0048
119 #define ADV7180_IRQ3_AD_CHANGE 0x08
120 #define ADV7180_REG_ISR3 0x004A
121 #define ADV7180_REG_ICR3 0x004B
122 #define ADV7180_REG_IMR3 0x004C
123 #define ADV7180_REG_IMR4 0x50
124
125 #define ADV7180_REG_NTSC_V_BIT_END 0x00E6
126 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
127
128 #define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
129 #define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
130
131 #define ADV7180_REG_FLCONTROL 0x40e0
132 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
133
134 #define ADV7180_CSI_REG_PWRDN 0x00
135 #define ADV7180_CSI_PWRDN 0x80
136
137 #define ADV7180_INPUT_CVBS_AIN1 0x00
138 #define ADV7180_INPUT_CVBS_AIN2 0x01
139 #define ADV7180_INPUT_CVBS_AIN3 0x02
140 #define ADV7180_INPUT_CVBS_AIN4 0x03
141 #define ADV7180_INPUT_CVBS_AIN5 0x04
142 #define ADV7180_INPUT_CVBS_AIN6 0x05
143 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
144 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
145 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
146 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
147 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
148
149 #define ADV7182_INPUT_CVBS_AIN1 0x00
150 #define ADV7182_INPUT_CVBS_AIN2 0x01
151 #define ADV7182_INPUT_CVBS_AIN3 0x02
152 #define ADV7182_INPUT_CVBS_AIN4 0x03
153 #define ADV7182_INPUT_CVBS_AIN5 0x04
154 #define ADV7182_INPUT_CVBS_AIN6 0x05
155 #define ADV7182_INPUT_CVBS_AIN7 0x06
156 #define ADV7182_INPUT_CVBS_AIN8 0x07
157 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
158 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
159 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
160 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
161 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
162 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
163 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
164 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
165 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
166 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
167
168 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
169 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
170
171 #define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
172
173 struct adv7180_state;
174
175 #define ADV7180_FLAG_RESET_POWERED BIT(0)
176 #define ADV7180_FLAG_V2 BIT(1)
177 #define ADV7180_FLAG_MIPI_CSI2 BIT(2)
178 #define ADV7180_FLAG_I2P BIT(3)
179
180 struct adv7180_chip_info {
181 unsigned int flags;
182 unsigned int valid_input_mask;
183 int (*set_std)(struct adv7180_state *st, unsigned int std);
184 int (*select_input)(struct adv7180_state *st, unsigned int input);
185 int (*init)(struct adv7180_state *state);
186 };
187
188 struct adv7180_state {
189 struct v4l2_ctrl_handler ctrl_hdl;
190 struct v4l2_subdev sd;
191 struct media_pad pad;
192 struct mutex mutex; /* mutual excl. when accessing chip */
193 int irq;
194 v4l2_std_id curr_norm;
195 bool autodetect;
196 bool powered;
197 u8 input;
198
199 struct i2c_client *client;
200 unsigned int register_page;
201 struct i2c_client *csi_client;
202 struct i2c_client *vpp_client;
203 const struct adv7180_chip_info *chip_info;
204 enum v4l2_field field;
205 };
206 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
207 struct adv7180_state, \
208 ctrl_hdl)->sd)
209
210 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
211 {
212 if (state->register_page != page) {
213 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
214 page);
215 state->register_page = page;
216 }
217
218 return 0;
219 }
220
221 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
222 unsigned int value)
223 {
224 lockdep_assert_held(&state->mutex);
225 adv7180_select_page(state, reg >> 8);
226 return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
227 }
228
229 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
230 {
231 lockdep_assert_held(&state->mutex);
232 adv7180_select_page(state, reg >> 8);
233 return i2c_smbus_read_byte_data(state->client, reg & 0xff);
234 }
235
236 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
237 unsigned int value)
238 {
239 return i2c_smbus_write_byte_data(state->csi_client, reg, value);
240 }
241
242 static int adv7180_set_video_standard(struct adv7180_state *state,
243 unsigned int std)
244 {
245 return state->chip_info->set_std(state, std);
246 }
247
248 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
249 unsigned int value)
250 {
251 return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
252 }
253
254 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
255 {
256 /* in case V4L2_IN_ST_NO_SIGNAL */
257 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
258 return V4L2_STD_UNKNOWN;
259
260 switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
261 case ADV7180_STATUS1_AUTOD_NTSM_M_J:
262 return V4L2_STD_NTSC;
263 case ADV7180_STATUS1_AUTOD_NTSC_4_43:
264 return V4L2_STD_NTSC_443;
265 case ADV7180_STATUS1_AUTOD_PAL_M:
266 return V4L2_STD_PAL_M;
267 case ADV7180_STATUS1_AUTOD_PAL_60:
268 return V4L2_STD_PAL_60;
269 case ADV7180_STATUS1_AUTOD_PAL_B_G:
270 return V4L2_STD_PAL;
271 case ADV7180_STATUS1_AUTOD_SECAM:
272 return V4L2_STD_SECAM;
273 case ADV7180_STATUS1_AUTOD_PAL_COMB:
274 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
275 case ADV7180_STATUS1_AUTOD_SECAM_525:
276 return V4L2_STD_SECAM;
277 default:
278 return V4L2_STD_UNKNOWN;
279 }
280 }
281
282 static int v4l2_std_to_adv7180(v4l2_std_id std)
283 {
284 if (std == V4L2_STD_PAL_60)
285 return ADV7180_STD_PAL60;
286 if (std == V4L2_STD_NTSC_443)
287 return ADV7180_STD_NTSC_443;
288 if (std == V4L2_STD_PAL_N)
289 return ADV7180_STD_PAL_N;
290 if (std == V4L2_STD_PAL_M)
291 return ADV7180_STD_PAL_M;
292 if (std == V4L2_STD_PAL_Nc)
293 return ADV7180_STD_PAL_COMB_N;
294
295 if (std & V4L2_STD_PAL)
296 return ADV7180_STD_PAL_BG;
297 if (std & V4L2_STD_NTSC)
298 return ADV7180_STD_NTSC_M;
299 if (std & V4L2_STD_SECAM)
300 return ADV7180_STD_PAL_SECAM;
301
302 return -EINVAL;
303 }
304
305 static u32 adv7180_status_to_v4l2(u8 status1)
306 {
307 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
308 return V4L2_IN_ST_NO_SIGNAL;
309
310 return 0;
311 }
312
313 static int __adv7180_status(struct adv7180_state *state, u32 *status,
314 v4l2_std_id *std)
315 {
316 int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
317
318 if (status1 < 0)
319 return status1;
320
321 if (status)
322 *status = adv7180_status_to_v4l2(status1);
323 if (std)
324 *std = adv7180_std_to_v4l2(status1);
325
326 return 0;
327 }
328
329 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
330 {
331 return container_of(sd, struct adv7180_state, sd);
332 }
333
334 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
335 {
336 struct adv7180_state *state = to_state(sd);
337 int err = mutex_lock_interruptible(&state->mutex);
338 if (err)
339 return err;
340
341 /* when we are interrupt driven we know the state */
342 if (!state->autodetect || state->irq > 0)
343 *std = state->curr_norm;
344 else
345 err = __adv7180_status(state, NULL, std);
346
347 mutex_unlock(&state->mutex);
348 return err;
349 }
350
351 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
352 u32 output, u32 config)
353 {
354 struct adv7180_state *state = to_state(sd);
355 int ret = mutex_lock_interruptible(&state->mutex);
356
357 if (ret)
358 return ret;
359
360 if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
361 ret = -EINVAL;
362 goto out;
363 }
364
365 ret = state->chip_info->select_input(state, input);
366
367 if (ret == 0)
368 state->input = input;
369 out:
370 mutex_unlock(&state->mutex);
371 return ret;
372 }
373
374 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
375 {
376 struct adv7180_state *state = to_state(sd);
377 int ret = mutex_lock_interruptible(&state->mutex);
378 if (ret)
379 return ret;
380
381 ret = __adv7180_status(state, status, NULL);
382 mutex_unlock(&state->mutex);
383 return ret;
384 }
385
386 static int adv7180_program_std(struct adv7180_state *state)
387 {
388 int ret;
389
390 if (state->autodetect) {
391 ret = adv7180_set_video_standard(state,
392 ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
393 if (ret < 0)
394 return ret;
395
396 __adv7180_status(state, NULL, &state->curr_norm);
397 } else {
398 ret = v4l2_std_to_adv7180(state->curr_norm);
399 if (ret < 0)
400 return ret;
401
402 ret = adv7180_set_video_standard(state, ret);
403 if (ret < 0)
404 return ret;
405 }
406
407 return 0;
408 }
409
410 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
411 {
412 struct adv7180_state *state = to_state(sd);
413 int ret = mutex_lock_interruptible(&state->mutex);
414
415 if (ret)
416 return ret;
417
418 /* all standards -> autodetect */
419 if (std == V4L2_STD_ALL) {
420 state->autodetect = true;
421 } else {
422 /* Make sure we can support this std */
423 ret = v4l2_std_to_adv7180(std);
424 if (ret < 0)
425 goto out;
426
427 state->curr_norm = std;
428 state->autodetect = false;
429 }
430
431 ret = adv7180_program_std(state);
432 out:
433 mutex_unlock(&state->mutex);
434 return ret;
435 }
436
437 static int adv7180_set_power(struct adv7180_state *state, bool on)
438 {
439 u8 val;
440 int ret;
441
442 if (on)
443 val = ADV7180_PWR_MAN_ON;
444 else
445 val = ADV7180_PWR_MAN_OFF;
446
447 ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
448 if (ret)
449 return ret;
450
451 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
452 if (on) {
453 adv7180_csi_write(state, 0xDE, 0x02);
454 adv7180_csi_write(state, 0xD2, 0xF7);
455 adv7180_csi_write(state, 0xD8, 0x65);
456 adv7180_csi_write(state, 0xE0, 0x09);
457 adv7180_csi_write(state, 0x2C, 0x00);
458 if (state->field == V4L2_FIELD_NONE)
459 adv7180_csi_write(state, 0x1D, 0x80);
460 adv7180_csi_write(state, 0x00, 0x00);
461 } else {
462 adv7180_csi_write(state, 0x00, 0x80);
463 }
464 }
465
466 return 0;
467 }
468
469 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
470 {
471 struct adv7180_state *state = to_state(sd);
472 int ret;
473
474 ret = mutex_lock_interruptible(&state->mutex);
475 if (ret)
476 return ret;
477
478 ret = adv7180_set_power(state, on);
479 if (ret == 0)
480 state->powered = on;
481
482 mutex_unlock(&state->mutex);
483 return ret;
484 }
485
486 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
487 {
488 struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
489 struct adv7180_state *state = to_state(sd);
490 int ret = mutex_lock_interruptible(&state->mutex);
491 int val;
492
493 if (ret)
494 return ret;
495 val = ctrl->val;
496 switch (ctrl->id) {
497 case V4L2_CID_BRIGHTNESS:
498 ret = adv7180_write(state, ADV7180_REG_BRI, val);
499 break;
500 case V4L2_CID_HUE:
501 /*Hue is inverted according to HSL chart */
502 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
503 break;
504 case V4L2_CID_CONTRAST:
505 ret = adv7180_write(state, ADV7180_REG_CON, val);
506 break;
507 case V4L2_CID_SATURATION:
508 /*
509 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
510 *Let's not confuse the user, everybody understands saturation
511 */
512 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
513 if (ret < 0)
514 break;
515 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
516 break;
517 case V4L2_CID_ADV_FAST_SWITCH:
518 if (ctrl->val) {
519 /* ADI required write */
520 adv7180_write(state, 0x80d9, 0x44);
521 adv7180_write(state, ADV7180_REG_FLCONTROL,
522 ADV7180_FLCONTROL_FL_ENABLE);
523 } else {
524 /* ADI required write */
525 adv7180_write(state, 0x80d9, 0xc4);
526 adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
527 }
528 break;
529 default:
530 ret = -EINVAL;
531 }
532
533 mutex_unlock(&state->mutex);
534 return ret;
535 }
536
537 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
538 .s_ctrl = adv7180_s_ctrl,
539 };
540
541 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
542 .ops = &adv7180_ctrl_ops,
543 .id = V4L2_CID_ADV_FAST_SWITCH,
544 .name = "Fast Switching",
545 .type = V4L2_CTRL_TYPE_BOOLEAN,
546 .min = 0,
547 .max = 1,
548 .step = 1,
549 };
550
551 static int adv7180_init_controls(struct adv7180_state *state)
552 {
553 v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
554
555 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
556 V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
557 ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
558 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
559 V4L2_CID_CONTRAST, ADV7180_CON_MIN,
560 ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
561 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
562 V4L2_CID_SATURATION, ADV7180_SAT_MIN,
563 ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
564 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
565 V4L2_CID_HUE, ADV7180_HUE_MIN,
566 ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
567 v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
568
569 state->sd.ctrl_handler = &state->ctrl_hdl;
570 if (state->ctrl_hdl.error) {
571 int err = state->ctrl_hdl.error;
572
573 v4l2_ctrl_handler_free(&state->ctrl_hdl);
574 return err;
575 }
576 v4l2_ctrl_handler_setup(&state->ctrl_hdl);
577
578 return 0;
579 }
580 static void adv7180_exit_controls(struct adv7180_state *state)
581 {
582 v4l2_ctrl_handler_free(&state->ctrl_hdl);
583 }
584
585 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
586 struct v4l2_subdev_pad_config *cfg,
587 struct v4l2_subdev_mbus_code_enum *code)
588 {
589 if (code->index != 0)
590 return -EINVAL;
591
592 code->code = MEDIA_BUS_FMT_YUYV8_2X8;
593
594 return 0;
595 }
596
597 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
598 struct v4l2_mbus_framefmt *fmt)
599 {
600 struct adv7180_state *state = to_state(sd);
601
602 fmt->code = MEDIA_BUS_FMT_YUYV8_2X8;
603 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
604 fmt->width = 720;
605 fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
606
607 return 0;
608 }
609
610 static int adv7180_set_field_mode(struct adv7180_state *state)
611 {
612 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
613 return 0;
614
615 if (state->field == V4L2_FIELD_NONE) {
616 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
617 adv7180_csi_write(state, 0x01, 0x20);
618 adv7180_csi_write(state, 0x02, 0x28);
619 adv7180_csi_write(state, 0x03, 0x38);
620 adv7180_csi_write(state, 0x04, 0x30);
621 adv7180_csi_write(state, 0x05, 0x30);
622 adv7180_csi_write(state, 0x06, 0x80);
623 adv7180_csi_write(state, 0x07, 0x70);
624 adv7180_csi_write(state, 0x08, 0x50);
625 }
626 adv7180_vpp_write(state, 0xa3, 0x00);
627 adv7180_vpp_write(state, 0x5b, 0x00);
628 adv7180_vpp_write(state, 0x55, 0x80);
629 } else {
630 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
631 adv7180_csi_write(state, 0x01, 0x18);
632 adv7180_csi_write(state, 0x02, 0x18);
633 adv7180_csi_write(state, 0x03, 0x30);
634 adv7180_csi_write(state, 0x04, 0x20);
635 adv7180_csi_write(state, 0x05, 0x28);
636 adv7180_csi_write(state, 0x06, 0x40);
637 adv7180_csi_write(state, 0x07, 0x58);
638 adv7180_csi_write(state, 0x08, 0x30);
639 }
640 adv7180_vpp_write(state, 0xa3, 0x70);
641 adv7180_vpp_write(state, 0x5b, 0x80);
642 adv7180_vpp_write(state, 0x55, 0x00);
643 }
644
645 return 0;
646 }
647
648 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
649 struct v4l2_subdev_pad_config *cfg,
650 struct v4l2_subdev_format *format)
651 {
652 struct adv7180_state *state = to_state(sd);
653
654 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
655 format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
656 } else {
657 adv7180_mbus_fmt(sd, &format->format);
658 format->format.field = state->field;
659 }
660
661 return 0;
662 }
663
664 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
665 struct v4l2_subdev_pad_config *cfg,
666 struct v4l2_subdev_format *format)
667 {
668 struct adv7180_state *state = to_state(sd);
669 struct v4l2_mbus_framefmt *framefmt;
670
671 switch (format->format.field) {
672 case V4L2_FIELD_NONE:
673 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
674 format->format.field = V4L2_FIELD_INTERLACED;
675 break;
676 default:
677 format->format.field = V4L2_FIELD_INTERLACED;
678 break;
679 }
680
681 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
682 framefmt = &format->format;
683 if (state->field != format->format.field) {
684 state->field = format->format.field;
685 adv7180_set_power(state, false);
686 adv7180_set_field_mode(state);
687 adv7180_set_power(state, true);
688 }
689 } else {
690 framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
691 *framefmt = format->format;
692 }
693
694 return adv7180_mbus_fmt(sd, framefmt);
695 }
696
697 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
698 struct v4l2_mbus_config *cfg)
699 {
700 struct adv7180_state *state = to_state(sd);
701
702 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
703 cfg->type = V4L2_MBUS_CSI2;
704 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
705 V4L2_MBUS_CSI2_CHANNEL_0 |
706 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
707 } else {
708 /*
709 * The ADV7180 sensor supports BT.601/656 output modes.
710 * The BT.656 is default and not yet configurable by s/w.
711 */
712 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
713 V4L2_MBUS_DATA_ACTIVE_HIGH;
714 cfg->type = V4L2_MBUS_BT656;
715 }
716
717 return 0;
718 }
719
720 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
721 .s_std = adv7180_s_std,
722 .querystd = adv7180_querystd,
723 .g_input_status = adv7180_g_input_status,
724 .s_routing = adv7180_s_routing,
725 .g_mbus_config = adv7180_g_mbus_config,
726 };
727
728
729 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
730 .s_power = adv7180_s_power,
731 };
732
733 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
734 .enum_mbus_code = adv7180_enum_mbus_code,
735 .set_fmt = adv7180_set_pad_format,
736 .get_fmt = adv7180_get_pad_format,
737 };
738
739 static const struct v4l2_subdev_ops adv7180_ops = {
740 .core = &adv7180_core_ops,
741 .video = &adv7180_video_ops,
742 .pad = &adv7180_pad_ops,
743 };
744
745 static irqreturn_t adv7180_irq(int irq, void *devid)
746 {
747 struct adv7180_state *state = devid;
748 u8 isr3;
749
750 mutex_lock(&state->mutex);
751 isr3 = adv7180_read(state, ADV7180_REG_ISR3);
752 /* clear */
753 adv7180_write(state, ADV7180_REG_ICR3, isr3);
754
755 if (isr3 & ADV7180_IRQ3_AD_CHANGE && state->autodetect)
756 __adv7180_status(state, NULL, &state->curr_norm);
757 mutex_unlock(&state->mutex);
758
759 return IRQ_HANDLED;
760 }
761
762 static int adv7180_init(struct adv7180_state *state)
763 {
764 int ret;
765
766 /* ITU-R BT.656-4 compatible */
767 ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
768 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
769 if (ret < 0)
770 return ret;
771
772 /* Manually set V bit end position in NTSC mode */
773 return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
774 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
775 }
776
777 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
778 {
779 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
780 (std << 4) | state->input);
781 }
782
783 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
784 {
785 int ret;
786
787 ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
788 if (ret < 0)
789 return ret;
790
791 ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
792 ret |= input;
793 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
794 }
795
796 static int adv7182_init(struct adv7180_state *state)
797 {
798 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
799 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
800 ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
801
802 if (state->chip_info->flags & ADV7180_FLAG_I2P)
803 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
804 ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
805
806 if (state->chip_info->flags & ADV7180_FLAG_V2) {
807 /* ADI recommended writes for improved video quality */
808 adv7180_write(state, 0x0080, 0x51);
809 adv7180_write(state, 0x0081, 0x51);
810 adv7180_write(state, 0x0082, 0x68);
811 }
812
813 /* ADI required writes */
814 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
815 adv7180_write(state, 0x0003, 0x4e);
816 adv7180_write(state, 0x0004, 0x57);
817 adv7180_write(state, 0x001d, 0xc0);
818 } else {
819 if (state->chip_info->flags & ADV7180_FLAG_V2)
820 adv7180_write(state, 0x0004, 0x17);
821 else
822 adv7180_write(state, 0x0004, 0x07);
823 adv7180_write(state, 0x0003, 0x0c);
824 adv7180_write(state, 0x001d, 0x40);
825 }
826
827 adv7180_write(state, 0x0013, 0x00);
828
829 return 0;
830 }
831
832 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
833 {
834 return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
835 }
836
837 enum adv7182_input_type {
838 ADV7182_INPUT_TYPE_CVBS,
839 ADV7182_INPUT_TYPE_DIFF_CVBS,
840 ADV7182_INPUT_TYPE_SVIDEO,
841 ADV7182_INPUT_TYPE_YPBPR,
842 };
843
844 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
845 {
846 switch (input) {
847 case ADV7182_INPUT_CVBS_AIN1:
848 case ADV7182_INPUT_CVBS_AIN2:
849 case ADV7182_INPUT_CVBS_AIN3:
850 case ADV7182_INPUT_CVBS_AIN4:
851 case ADV7182_INPUT_CVBS_AIN5:
852 case ADV7182_INPUT_CVBS_AIN6:
853 case ADV7182_INPUT_CVBS_AIN7:
854 case ADV7182_INPUT_CVBS_AIN8:
855 return ADV7182_INPUT_TYPE_CVBS;
856 case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
857 case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
858 case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
859 case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
860 return ADV7182_INPUT_TYPE_SVIDEO;
861 case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
862 case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
863 return ADV7182_INPUT_TYPE_YPBPR;
864 case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
865 case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
866 case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
867 case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
868 return ADV7182_INPUT_TYPE_DIFF_CVBS;
869 default: /* Will never happen */
870 return 0;
871 }
872 }
873
874 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
875 static unsigned int adv7182_lbias_settings[][3] = {
876 [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
877 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
878 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
879 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
880 };
881
882 static unsigned int adv7280_lbias_settings[][3] = {
883 [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
884 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
885 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
886 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
887 };
888
889 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
890 {
891 enum adv7182_input_type input_type;
892 unsigned int *lbias;
893 unsigned int i;
894 int ret;
895
896 ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
897 if (ret)
898 return ret;
899
900 /* Reset clamp circuitry - ADI recommended writes */
901 adv7180_write(state, 0x809c, 0x00);
902 adv7180_write(state, 0x809c, 0xff);
903
904 input_type = adv7182_get_input_type(input);
905
906 switch (input_type) {
907 case ADV7182_INPUT_TYPE_CVBS:
908 case ADV7182_INPUT_TYPE_DIFF_CVBS:
909 /* ADI recommends to use the SH1 filter */
910 adv7180_write(state, 0x0017, 0x41);
911 break;
912 default:
913 adv7180_write(state, 0x0017, 0x01);
914 break;
915 }
916
917 if (state->chip_info->flags & ADV7180_FLAG_V2)
918 lbias = adv7280_lbias_settings[input_type];
919 else
920 lbias = adv7182_lbias_settings[input_type];
921
922 for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
923 adv7180_write(state, 0x0052 + i, lbias[i]);
924
925 if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
926 /* ADI required writes to make differential CVBS work */
927 adv7180_write(state, 0x005f, 0xa8);
928 adv7180_write(state, 0x005a, 0x90);
929 adv7180_write(state, 0x0060, 0xb0);
930 adv7180_write(state, 0x80b6, 0x08);
931 adv7180_write(state, 0x80c0, 0xa0);
932 } else {
933 adv7180_write(state, 0x005f, 0xf0);
934 adv7180_write(state, 0x005a, 0xd0);
935 adv7180_write(state, 0x0060, 0x10);
936 adv7180_write(state, 0x80b6, 0x9c);
937 adv7180_write(state, 0x80c0, 0x00);
938 }
939
940 return 0;
941 }
942
943 static const struct adv7180_chip_info adv7180_info = {
944 .flags = ADV7180_FLAG_RESET_POWERED,
945 /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
946 * all inputs and let the card driver take care of validation
947 */
948 .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
949 BIT(ADV7180_INPUT_CVBS_AIN2) |
950 BIT(ADV7180_INPUT_CVBS_AIN3) |
951 BIT(ADV7180_INPUT_CVBS_AIN4) |
952 BIT(ADV7180_INPUT_CVBS_AIN5) |
953 BIT(ADV7180_INPUT_CVBS_AIN6) |
954 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
955 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
956 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
957 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
958 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
959 .init = adv7180_init,
960 .set_std = adv7180_set_std,
961 .select_input = adv7180_select_input,
962 };
963
964 static const struct adv7180_chip_info adv7182_info = {
965 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
966 BIT(ADV7182_INPUT_CVBS_AIN2) |
967 BIT(ADV7182_INPUT_CVBS_AIN3) |
968 BIT(ADV7182_INPUT_CVBS_AIN4) |
969 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
970 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
971 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
972 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
973 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
974 .init = adv7182_init,
975 .set_std = adv7182_set_std,
976 .select_input = adv7182_select_input,
977 };
978
979 static const struct adv7180_chip_info adv7280_info = {
980 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
981 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
982 BIT(ADV7182_INPUT_CVBS_AIN2) |
983 BIT(ADV7182_INPUT_CVBS_AIN3) |
984 BIT(ADV7182_INPUT_CVBS_AIN4) |
985 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
986 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
987 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
988 .init = adv7182_init,
989 .set_std = adv7182_set_std,
990 .select_input = adv7182_select_input,
991 };
992
993 static const struct adv7180_chip_info adv7280_m_info = {
994 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
995 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
996 BIT(ADV7182_INPUT_CVBS_AIN2) |
997 BIT(ADV7182_INPUT_CVBS_AIN3) |
998 BIT(ADV7182_INPUT_CVBS_AIN4) |
999 BIT(ADV7182_INPUT_CVBS_AIN5) |
1000 BIT(ADV7182_INPUT_CVBS_AIN6) |
1001 BIT(ADV7182_INPUT_CVBS_AIN7) |
1002 BIT(ADV7182_INPUT_CVBS_AIN8) |
1003 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1004 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1005 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1006 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1007 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1008 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1009 .init = adv7182_init,
1010 .set_std = adv7182_set_std,
1011 .select_input = adv7182_select_input,
1012 };
1013
1014 static const struct adv7180_chip_info adv7281_info = {
1015 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1016 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1017 BIT(ADV7182_INPUT_CVBS_AIN2) |
1018 BIT(ADV7182_INPUT_CVBS_AIN7) |
1019 BIT(ADV7182_INPUT_CVBS_AIN8) |
1020 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1021 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1022 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1023 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1024 .init = adv7182_init,
1025 .set_std = adv7182_set_std,
1026 .select_input = adv7182_select_input,
1027 };
1028
1029 static const struct adv7180_chip_info adv7281_m_info = {
1030 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1031 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1032 BIT(ADV7182_INPUT_CVBS_AIN2) |
1033 BIT(ADV7182_INPUT_CVBS_AIN3) |
1034 BIT(ADV7182_INPUT_CVBS_AIN4) |
1035 BIT(ADV7182_INPUT_CVBS_AIN7) |
1036 BIT(ADV7182_INPUT_CVBS_AIN8) |
1037 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1038 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1039 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1040 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1041 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1042 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1043 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1044 .init = adv7182_init,
1045 .set_std = adv7182_set_std,
1046 .select_input = adv7182_select_input,
1047 };
1048
1049 static const struct adv7180_chip_info adv7281_ma_info = {
1050 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1051 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1052 BIT(ADV7182_INPUT_CVBS_AIN2) |
1053 BIT(ADV7182_INPUT_CVBS_AIN3) |
1054 BIT(ADV7182_INPUT_CVBS_AIN4) |
1055 BIT(ADV7182_INPUT_CVBS_AIN5) |
1056 BIT(ADV7182_INPUT_CVBS_AIN6) |
1057 BIT(ADV7182_INPUT_CVBS_AIN7) |
1058 BIT(ADV7182_INPUT_CVBS_AIN8) |
1059 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1060 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1061 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1062 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1063 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1064 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1065 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1066 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1067 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1068 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1069 .init = adv7182_init,
1070 .set_std = adv7182_set_std,
1071 .select_input = adv7182_select_input,
1072 };
1073
1074 static const struct adv7180_chip_info adv7282_info = {
1075 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1076 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1077 BIT(ADV7182_INPUT_CVBS_AIN2) |
1078 BIT(ADV7182_INPUT_CVBS_AIN7) |
1079 BIT(ADV7182_INPUT_CVBS_AIN8) |
1080 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1081 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1082 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1083 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1084 .init = adv7182_init,
1085 .set_std = adv7182_set_std,
1086 .select_input = adv7182_select_input,
1087 };
1088
1089 static const struct adv7180_chip_info adv7282_m_info = {
1090 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1091 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1092 BIT(ADV7182_INPUT_CVBS_AIN2) |
1093 BIT(ADV7182_INPUT_CVBS_AIN3) |
1094 BIT(ADV7182_INPUT_CVBS_AIN4) |
1095 BIT(ADV7182_INPUT_CVBS_AIN7) |
1096 BIT(ADV7182_INPUT_CVBS_AIN8) |
1097 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1098 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1099 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1100 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1101 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1102 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1103 .init = adv7182_init,
1104 .set_std = adv7182_set_std,
1105 .select_input = adv7182_select_input,
1106 };
1107
1108 static int init_device(struct adv7180_state *state)
1109 {
1110 int ret;
1111
1112 mutex_lock(&state->mutex);
1113
1114 adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1115 usleep_range(5000, 10000);
1116
1117 ret = state->chip_info->init(state);
1118 if (ret)
1119 goto out_unlock;
1120
1121 ret = adv7180_program_std(state);
1122 if (ret)
1123 goto out_unlock;
1124
1125 adv7180_set_field_mode(state);
1126
1127 /* register for interrupts */
1128 if (state->irq > 0) {
1129 /* config the Interrupt pin to be active low */
1130 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1131 ADV7180_ICONF1_ACTIVE_LOW |
1132 ADV7180_ICONF1_PSYNC_ONLY);
1133 if (ret < 0)
1134 goto out_unlock;
1135
1136 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1137 if (ret < 0)
1138 goto out_unlock;
1139
1140 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1141 if (ret < 0)
1142 goto out_unlock;
1143
1144 /* enable AD change interrupts interrupts */
1145 ret = adv7180_write(state, ADV7180_REG_IMR3,
1146 ADV7180_IRQ3_AD_CHANGE);
1147 if (ret < 0)
1148 goto out_unlock;
1149
1150 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1151 if (ret < 0)
1152 goto out_unlock;
1153 }
1154
1155 out_unlock:
1156 mutex_unlock(&state->mutex);
1157
1158 return ret;
1159 }
1160
1161 static int adv7180_probe(struct i2c_client *client,
1162 const struct i2c_device_id *id)
1163 {
1164 struct adv7180_state *state;
1165 struct v4l2_subdev *sd;
1166 int ret;
1167
1168 /* Check if the adapter supports the needed features */
1169 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1170 return -EIO;
1171
1172 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1173 client->addr, client->adapter->name);
1174
1175 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1176 if (state == NULL)
1177 return -ENOMEM;
1178
1179 state->client = client;
1180 state->field = V4L2_FIELD_INTERLACED;
1181 state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1182
1183 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1184 state->csi_client = i2c_new_dummy(client->adapter,
1185 ADV7180_DEFAULT_CSI_I2C_ADDR);
1186 if (!state->csi_client)
1187 return -ENOMEM;
1188 }
1189
1190 if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1191 state->vpp_client = i2c_new_dummy(client->adapter,
1192 ADV7180_DEFAULT_VPP_I2C_ADDR);
1193 if (!state->vpp_client) {
1194 ret = -ENOMEM;
1195 goto err_unregister_csi_client;
1196 }
1197 }
1198
1199 state->irq = client->irq;
1200 mutex_init(&state->mutex);
1201 state->autodetect = true;
1202 if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1203 state->powered = true;
1204 else
1205 state->powered = false;
1206 state->input = 0;
1207 sd = &state->sd;
1208 v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1209 sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
1210
1211 ret = adv7180_init_controls(state);
1212 if (ret)
1213 goto err_unregister_vpp_client;
1214
1215 state->pad.flags = MEDIA_PAD_FL_SOURCE;
1216 sd->entity.flags |= MEDIA_ENT_F_ATV_DECODER;
1217 ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1218 if (ret)
1219 goto err_free_ctrl;
1220
1221 ret = init_device(state);
1222 if (ret)
1223 goto err_media_entity_cleanup;
1224
1225 if (state->irq) {
1226 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1227 IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1228 KBUILD_MODNAME, state);
1229 if (ret)
1230 goto err_media_entity_cleanup;
1231 }
1232
1233 ret = v4l2_async_register_subdev(sd);
1234 if (ret)
1235 goto err_free_irq;
1236
1237 return 0;
1238
1239 err_free_irq:
1240 if (state->irq > 0)
1241 free_irq(client->irq, state);
1242 err_media_entity_cleanup:
1243 media_entity_cleanup(&sd->entity);
1244 err_free_ctrl:
1245 adv7180_exit_controls(state);
1246 err_unregister_vpp_client:
1247 if (state->chip_info->flags & ADV7180_FLAG_I2P)
1248 i2c_unregister_device(state->vpp_client);
1249 err_unregister_csi_client:
1250 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1251 i2c_unregister_device(state->csi_client);
1252 mutex_destroy(&state->mutex);
1253 return ret;
1254 }
1255
1256 static int adv7180_remove(struct i2c_client *client)
1257 {
1258 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1259 struct adv7180_state *state = to_state(sd);
1260
1261 v4l2_async_unregister_subdev(sd);
1262
1263 if (state->irq > 0)
1264 free_irq(client->irq, state);
1265
1266 media_entity_cleanup(&sd->entity);
1267 adv7180_exit_controls(state);
1268
1269 if (state->chip_info->flags & ADV7180_FLAG_I2P)
1270 i2c_unregister_device(state->vpp_client);
1271 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1272 i2c_unregister_device(state->csi_client);
1273
1274 mutex_destroy(&state->mutex);
1275
1276 return 0;
1277 }
1278
1279 static const struct i2c_device_id adv7180_id[] = {
1280 { "adv7180", (kernel_ulong_t)&adv7180_info },
1281 { "adv7182", (kernel_ulong_t)&adv7182_info },
1282 { "adv7280", (kernel_ulong_t)&adv7280_info },
1283 { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1284 { "adv7281", (kernel_ulong_t)&adv7281_info },
1285 { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1286 { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1287 { "adv7282", (kernel_ulong_t)&adv7282_info },
1288 { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1289 {},
1290 };
1291 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1292
1293 #ifdef CONFIG_PM_SLEEP
1294 static int adv7180_suspend(struct device *dev)
1295 {
1296 struct i2c_client *client = to_i2c_client(dev);
1297 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1298 struct adv7180_state *state = to_state(sd);
1299
1300 return adv7180_set_power(state, false);
1301 }
1302
1303 static int adv7180_resume(struct device *dev)
1304 {
1305 struct i2c_client *client = to_i2c_client(dev);
1306 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1307 struct adv7180_state *state = to_state(sd);
1308 int ret;
1309
1310 ret = init_device(state);
1311 if (ret < 0)
1312 return ret;
1313
1314 ret = adv7180_set_power(state, state->powered);
1315 if (ret)
1316 return ret;
1317
1318 return 0;
1319 }
1320
1321 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1322 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1323
1324 #else
1325 #define ADV7180_PM_OPS NULL
1326 #endif
1327
1328 #ifdef CONFIG_OF
1329 static const struct of_device_id adv7180_of_id[] = {
1330 { .compatible = "adi,adv7180", },
1331 { },
1332 };
1333
1334 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1335 #endif
1336
1337 static struct i2c_driver adv7180_driver = {
1338 .driver = {
1339 .name = KBUILD_MODNAME,
1340 .pm = ADV7180_PM_OPS,
1341 .of_match_table = of_match_ptr(adv7180_of_id),
1342 },
1343 .probe = adv7180_probe,
1344 .remove = adv7180_remove,
1345 .id_table = adv7180_id,
1346 };
1347
1348 module_i2c_driver(adv7180_driver);
1349
1350 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1351 MODULE_AUTHOR("Mocean Laboratories");
1352 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support