1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * adv7180.c Analog Devices ADV7180 video decoder driver
4 * Copyright (c) 2009 Intel Corporation
5 * Copyright (C) 2013 Cogent Embedded, Inc.
6 * Copyright (C) 2013 Renesas Solutions Corp.
7 */
8 #include <linux/module.h>
9 #include <linux/init.h>
10 #include <linux/errno.h>
11 #include <linux/kernel.h>
12 #include <linux/interrupt.h>
13 #include <linux/i2c.h>
14 #include <linux/slab.h>
15 #include <linux/of.h>
16 #include <linux/gpio/consumer.h>
17 #include <linux/videodev2.h>
18 #include <media/v4l2-ioctl.h>
19 #include <media/v4l2-event.h>
20 #include <media/v4l2-device.h>
21 #include <media/v4l2-ctrls.h>
22 #include <linux/mutex.h>
23 #include <linux/delay.h>
24
25 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM 0x0
26 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED 0x1
27 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM 0x2
28 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM 0x3
29 #define ADV7180_STD_NTSC_J 0x4
30 #define ADV7180_STD_NTSC_M 0x5
31 #define ADV7180_STD_PAL60 0x6
32 #define ADV7180_STD_NTSC_443 0x7
33 #define ADV7180_STD_PAL_BG 0x8
34 #define ADV7180_STD_PAL_N 0x9
35 #define ADV7180_STD_PAL_M 0xa
36 #define ADV7180_STD_PAL_M_PED 0xb
37 #define ADV7180_STD_PAL_COMB_N 0xc
38 #define ADV7180_STD_PAL_COMB_N_PED 0xd
39 #define ADV7180_STD_PAL_SECAM 0xe
40 #define ADV7180_STD_PAL_SECAM_PED 0xf
41
42 #define ADV7180_REG_INPUT_CONTROL 0x0000
43 #define ADV7180_INPUT_CONTROL_INSEL_MASK 0x0f
44
45 #define ADV7182_REG_INPUT_VIDSEL 0x0002
46
47 #define ADV7180_REG_OUTPUT_CONTROL 0x0003
48 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL 0x0004
49 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS 0xC5
50
51 #define ADV7180_REG_AUTODETECT_ENABLE 0x0007
52 #define ADV7180_AUTODETECT_DEFAULT 0x7f
53 /* Contrast */
54 #define ADV7180_REG_CON 0x0008 /*Unsigned */
55 #define ADV7180_CON_MIN 0
56 #define ADV7180_CON_DEF 128
57 #define ADV7180_CON_MAX 255
58 /* Brightness*/
59 #define ADV7180_REG_BRI 0x000a /*Signed */
60 #define ADV7180_BRI_MIN -128
61 #define ADV7180_BRI_DEF 0
62 #define ADV7180_BRI_MAX 127
63 /* Hue */
64 #define ADV7180_REG_HUE 0x000b /*Signed, inverted */
65 #define ADV7180_HUE_MIN -127
66 #define ADV7180_HUE_DEF 0
67 #define ADV7180_HUE_MAX 128
68
69 #define ADV7180_REG_CTRL 0x000e
70 #define ADV7180_CTRL_IRQ_SPACE 0x20
71
72 #define ADV7180_REG_PWR_MAN 0x0f
73 #define ADV7180_PWR_MAN_ON 0x04
74 #define ADV7180_PWR_MAN_OFF 0x24
75 #define ADV7180_PWR_MAN_RES 0x80
76
77 #define ADV7180_REG_STATUS1 0x0010
78 #define ADV7180_STATUS1_IN_LOCK 0x01
79 #define ADV7180_STATUS1_AUTOD_MASK 0x70
80 #define ADV7180_STATUS1_AUTOD_NTSM_M_J 0x00
81 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
82 #define ADV7180_STATUS1_AUTOD_PAL_M 0x20
83 #define ADV7180_STATUS1_AUTOD_PAL_60 0x30
84 #define ADV7180_STATUS1_AUTOD_PAL_B_G 0x40
85 #define ADV7180_STATUS1_AUTOD_SECAM 0x50
86 #define ADV7180_STATUS1_AUTOD_PAL_COMB 0x60
87 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
88
89 #define ADV7180_REG_IDENT 0x0011
90 #define ADV7180_ID_7180 0x18
91
92 #define ADV7180_REG_STATUS3 0x0013
93 #define ADV7180_REG_ANALOG_CLAMP_CTL 0x0014
94 #define ADV7180_REG_SHAP_FILTER_CTL_1 0x0017
95 #define ADV7180_REG_CTRL_2 0x001d
96 #define ADV7180_REG_VSYNC_FIELD_CTL_1 0x0031
97 #define ADV7180_VSYNC_FIELD_CTL_1_NEWAV 0x12
98 #define ADV7180_REG_MANUAL_WIN_CTL_1 0x003d
99 #define ADV7180_REG_MANUAL_WIN_CTL_2 0x003e
100 #define ADV7180_REG_MANUAL_WIN_CTL_3 0x003f
101 #define ADV7180_REG_LOCK_CNT 0x0051
102 #define ADV7180_REG_CVBS_TRIM 0x0052
103 #define ADV7180_REG_CLAMP_ADJ 0x005a
104 #define ADV7180_REG_RES_CIR 0x005f
105 #define ADV7180_REG_DIFF_MODE 0x0060
106
107 #define ADV7180_REG_ICONF1 0x2040
108 #define ADV7180_ICONF1_ACTIVE_LOW 0x01
109 #define ADV7180_ICONF1_PSYNC_ONLY 0x10
110 #define ADV7180_ICONF1_ACTIVE_TO_CLR 0xC0
111 /* Saturation */
112 #define ADV7180_REG_SD_SAT_CB 0x00e3 /*Unsigned */
113 #define ADV7180_REG_SD_SAT_CR 0x00e4 /*Unsigned */
114 #define ADV7180_SAT_MIN 0
115 #define ADV7180_SAT_DEF 128
116 #define ADV7180_SAT_MAX 255
117
118 #define ADV7180_IRQ1_LOCK 0x01
119 #define ADV7180_IRQ1_UNLOCK 0x02
120 #define ADV7180_REG_ISR1 0x2042
121 #define ADV7180_REG_ICR1 0x2043
122 #define ADV7180_REG_IMR1 0x2044
123 #define ADV7180_REG_IMR2 0x2048
124 #define ADV7180_IRQ3_AD_CHANGE 0x08
125 #define ADV7180_REG_ISR3 0x204A
126 #define ADV7180_REG_ICR3 0x204B
127 #define ADV7180_REG_IMR3 0x204C
128 #define ADV7180_REG_IMR4 0x2050
129
130 #define ADV7180_REG_NTSC_V_BIT_END 0x00E6
131 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND 0x4F
132
133 #define ADV7180_REG_VPP_SLAVE_ADDR 0xFD
134 #define ADV7180_REG_CSI_SLAVE_ADDR 0xFE
135
136 #define ADV7180_REG_ACE_CTRL1 0x4080
137 #define ADV7180_REG_ACE_CTRL5 0x4084
138 #define ADV7180_REG_FLCONTROL 0x40e0
139 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
140
141 #define ADV7180_REG_RST_CLAMP 0x809c
142 #define ADV7180_REG_AGC_ADJ1 0x80b6
143 #define ADV7180_REG_AGC_ADJ2 0x80c0
144
145 #define ADV7180_CSI_REG_PWRDN 0x00
146 #define ADV7180_CSI_PWRDN 0x80
147
148 #define ADV7180_INPUT_CVBS_AIN1 0x00
149 #define ADV7180_INPUT_CVBS_AIN2 0x01
150 #define ADV7180_INPUT_CVBS_AIN3 0x02
151 #define ADV7180_INPUT_CVBS_AIN4 0x03
152 #define ADV7180_INPUT_CVBS_AIN5 0x04
153 #define ADV7180_INPUT_CVBS_AIN6 0x05
154 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
155 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
156 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
157 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
158 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
159
160 #define ADV7182_INPUT_CVBS_AIN1 0x00
161 #define ADV7182_INPUT_CVBS_AIN2 0x01
162 #define ADV7182_INPUT_CVBS_AIN3 0x02
163 #define ADV7182_INPUT_CVBS_AIN4 0x03
164 #define ADV7182_INPUT_CVBS_AIN5 0x04
165 #define ADV7182_INPUT_CVBS_AIN6 0x05
166 #define ADV7182_INPUT_CVBS_AIN7 0x06
167 #define ADV7182_INPUT_CVBS_AIN8 0x07
168 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
169 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
170 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
171 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
172 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
173 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
174 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
175 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
176 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
177 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
178
179 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
180 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
181
182 #define V4L2_CID_ADV_FAST_SWITCH (V4L2_CID_USER_ADV7180_BASE + 0x00)
183
184 /* Initial number of frames to skip to avoid possible garbage */
185 #define ADV7180_NUM_OF_SKIP_FRAMES 2
186
187 struct adv7180_state;
188
189 #define ADV7180_FLAG_RESET_POWERED BIT(0)
190 #define ADV7180_FLAG_V2 BIT(1)
191 #define ADV7180_FLAG_MIPI_CSI2 BIT(2)
192 #define ADV7180_FLAG_I2P BIT(3)
193
194 struct adv7180_chip_info {
195 unsigned int flags;
196 unsigned int valid_input_mask;
197 int (*set_std)(struct adv7180_state *st, unsigned int std);
198 int (*select_input)(struct adv7180_state *st, unsigned int input);
199 int (*init)(struct adv7180_state *state);
200 };
201
202 struct adv7180_state {
203 struct v4l2_ctrl_handler ctrl_hdl;
204 struct v4l2_subdev sd;
205 struct media_pad pad;
206 struct mutex mutex; /* mutual excl. when accessing chip */
207 int irq;
208 struct gpio_desc *pwdn_gpio;
209 struct gpio_desc *rst_gpio;
210 v4l2_std_id curr_norm;
211 bool powered;
212 bool streaming;
213 u8 input;
214
215 struct i2c_client *client;
216 unsigned int register_page;
217 struct i2c_client *csi_client;
218 struct i2c_client *vpp_client;
219 const struct adv7180_chip_info *chip_info;
220 enum v4l2_field field;
221 bool force_bt656_4;
222 };
223 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler, \
224 struct adv7180_state, \
225 ctrl_hdl)->sd)
226
adv7180_select_page(struct adv7180_state * state,unsigned int page)227 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
228 {
229 if (state->register_page != page) {
230 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
231 page);
232 state->register_page = page;
233 }
234
235 return 0;
236 }
237
adv7180_write(struct adv7180_state * state,unsigned int reg,unsigned int value)238 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
239 unsigned int value)
240 {
241 lockdep_assert_held(&state->mutex);
242 adv7180_select_page(state, reg >> 8);
243 return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
244 }
245
adv7180_read(struct adv7180_state * state,unsigned int reg)246 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
247 {
248 lockdep_assert_held(&state->mutex);
249 adv7180_select_page(state, reg >> 8);
250 return i2c_smbus_read_byte_data(state->client, reg & 0xff);
251 }
252
adv7180_csi_write(struct adv7180_state * state,unsigned int reg,unsigned int value)253 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
254 unsigned int value)
255 {
256 return i2c_smbus_write_byte_data(state->csi_client, reg, value);
257 }
258
adv7180_set_video_standard(struct adv7180_state * state,unsigned int std)259 static int adv7180_set_video_standard(struct adv7180_state *state,
260 unsigned int std)
261 {
262 return state->chip_info->set_std(state, std);
263 }
264
adv7180_vpp_write(struct adv7180_state * state,unsigned int reg,unsigned int value)265 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
266 unsigned int value)
267 {
268 return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
269 }
270
adv7180_std_to_v4l2(u8 status1)271 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
272 {
273 /* in case V4L2_IN_ST_NO_SIGNAL */
274 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
275 return V4L2_STD_UNKNOWN;
276
277 switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
278 case ADV7180_STATUS1_AUTOD_NTSM_M_J:
279 return V4L2_STD_NTSC;
280 case ADV7180_STATUS1_AUTOD_NTSC_4_43:
281 return V4L2_STD_NTSC_443;
282 case ADV7180_STATUS1_AUTOD_PAL_M:
283 return V4L2_STD_PAL_M;
284 case ADV7180_STATUS1_AUTOD_PAL_60:
285 return V4L2_STD_PAL_60;
286 case ADV7180_STATUS1_AUTOD_PAL_B_G:
287 return V4L2_STD_PAL;
288 case ADV7180_STATUS1_AUTOD_SECAM:
289 return V4L2_STD_SECAM;
290 case ADV7180_STATUS1_AUTOD_PAL_COMB:
291 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
292 case ADV7180_STATUS1_AUTOD_SECAM_525:
293 return V4L2_STD_SECAM;
294 default:
295 return V4L2_STD_UNKNOWN;
296 }
297 }
298
v4l2_std_to_adv7180(v4l2_std_id std)299 static int v4l2_std_to_adv7180(v4l2_std_id std)
300 {
301 if (std == V4L2_STD_PAL_60)
302 return ADV7180_STD_PAL60;
303 if (std == V4L2_STD_NTSC_443)
304 return ADV7180_STD_NTSC_443;
305 if (std == V4L2_STD_PAL_N)
306 return ADV7180_STD_PAL_N;
307 if (std == V4L2_STD_PAL_M)
308 return ADV7180_STD_PAL_M;
309 if (std == V4L2_STD_PAL_Nc)
310 return ADV7180_STD_PAL_COMB_N;
311
312 if (std & V4L2_STD_PAL)
313 return ADV7180_STD_PAL_BG;
314 if (std & V4L2_STD_NTSC)
315 return ADV7180_STD_NTSC_M;
316 if (std & V4L2_STD_SECAM)
317 return ADV7180_STD_PAL_SECAM;
318
319 return -EINVAL;
320 }
321
adv7180_status_to_v4l2(u8 status1)322 static u32 adv7180_status_to_v4l2(u8 status1)
323 {
324 if (!(status1 & ADV7180_STATUS1_IN_LOCK))
325 return V4L2_IN_ST_NO_SIGNAL;
326
327 return 0;
328 }
329
__adv7180_status(struct adv7180_state * state,u32 * status,v4l2_std_id * std)330 static int __adv7180_status(struct adv7180_state *state, u32 *status,
331 v4l2_std_id *std)
332 {
333 int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
334
335 if (status1 < 0)
336 return status1;
337
338 if (status)
339 *status = adv7180_status_to_v4l2(status1);
340 if (std)
341 *std = adv7180_std_to_v4l2(status1);
342
343 return 0;
344 }
345
to_state(struct v4l2_subdev * sd)346 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
347 {
348 return container_of(sd, struct adv7180_state, sd);
349 }
350
adv7180_querystd(struct v4l2_subdev * sd,v4l2_std_id * std)351 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
352 {
353 struct adv7180_state *state = to_state(sd);
354 int err = mutex_lock_interruptible(&state->mutex);
355 if (err)
356 return err;
357
358 if (state->streaming) {
359 err = -EBUSY;
360 goto unlock;
361 }
362
363 err = adv7180_set_video_standard(state,
364 ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
365 if (err)
366 goto unlock;
367
368 msleep(100);
369 __adv7180_status(state, NULL, std);
370
371 err = v4l2_std_to_adv7180(state->curr_norm);
372 if (err < 0)
373 goto unlock;
374
375 err = adv7180_set_video_standard(state, err);
376
377 unlock:
378 mutex_unlock(&state->mutex);
379 return err;
380 }
381
adv7180_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)382 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
383 u32 output, u32 config)
384 {
385 struct adv7180_state *state = to_state(sd);
386 int ret = mutex_lock_interruptible(&state->mutex);
387
388 if (ret)
389 return ret;
390
391 if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
392 ret = -EINVAL;
393 goto out;
394 }
395
396 ret = state->chip_info->select_input(state, input);
397
398 if (ret == 0)
399 state->input = input;
400 out:
401 mutex_unlock(&state->mutex);
402 return ret;
403 }
404
adv7180_g_input_status(struct v4l2_subdev * sd,u32 * status)405 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
406 {
407 struct adv7180_state *state = to_state(sd);
408 int ret = mutex_lock_interruptible(&state->mutex);
409 if (ret)
410 return ret;
411
412 ret = __adv7180_status(state, status, NULL);
413 mutex_unlock(&state->mutex);
414 return ret;
415 }
416
adv7180_program_std(struct adv7180_state * state)417 static int adv7180_program_std(struct adv7180_state *state)
418 {
419 int ret;
420
421 ret = v4l2_std_to_adv7180(state->curr_norm);
422 if (ret < 0)
423 return ret;
424
425 ret = adv7180_set_video_standard(state, ret);
426 if (ret < 0)
427 return ret;
428 return 0;
429 }
430
adv7180_s_std(struct v4l2_subdev * sd,v4l2_std_id std)431 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
432 {
433 struct adv7180_state *state = to_state(sd);
434 int ret = mutex_lock_interruptible(&state->mutex);
435
436 if (ret)
437 return ret;
438
439 /* Make sure we can support this std */
440 ret = v4l2_std_to_adv7180(std);
441 if (ret < 0)
442 goto out;
443
444 state->curr_norm = std;
445
446 ret = adv7180_program_std(state);
447 out:
448 mutex_unlock(&state->mutex);
449 return ret;
450 }
451
adv7180_g_std(struct v4l2_subdev * sd,v4l2_std_id * norm)452 static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
453 {
454 struct adv7180_state *state = to_state(sd);
455
456 *norm = state->curr_norm;
457
458 return 0;
459 }
460
adv7180_g_frame_interval(struct v4l2_subdev * sd,struct v4l2_subdev_frame_interval * fi)461 static int adv7180_g_frame_interval(struct v4l2_subdev *sd,
462 struct v4l2_subdev_frame_interval *fi)
463 {
464 struct adv7180_state *state = to_state(sd);
465
466 if (state->curr_norm & V4L2_STD_525_60) {
467 fi->interval.numerator = 1001;
468 fi->interval.denominator = 30000;
469 } else {
470 fi->interval.numerator = 1;
471 fi->interval.denominator = 25;
472 }
473
474 return 0;
475 }
476
adv7180_set_power_pin(struct adv7180_state * state,bool on)477 static void adv7180_set_power_pin(struct adv7180_state *state, bool on)
478 {
479 if (!state->pwdn_gpio)
480 return;
481
482 if (on) {
483 gpiod_set_value_cansleep(state->pwdn_gpio, 0);
484 usleep_range(5000, 10000);
485 } else {
486 gpiod_set_value_cansleep(state->pwdn_gpio, 1);
487 }
488 }
489
adv7180_set_reset_pin(struct adv7180_state * state,bool on)490 static void adv7180_set_reset_pin(struct adv7180_state *state, bool on)
491 {
492 if (!state->rst_gpio)
493 return;
494
495 if (on) {
496 gpiod_set_value_cansleep(state->rst_gpio, 1);
497 } else {
498 gpiod_set_value_cansleep(state->rst_gpio, 0);
499 usleep_range(5000, 10000);
500 }
501 }
502
adv7180_set_power(struct adv7180_state * state,bool on)503 static int adv7180_set_power(struct adv7180_state *state, bool on)
504 {
505 u8 val;
506 int ret;
507
508 if (on)
509 val = ADV7180_PWR_MAN_ON;
510 else
511 val = ADV7180_PWR_MAN_OFF;
512
513 ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
514 if (ret)
515 return ret;
516
517 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
518 if (on) {
519 adv7180_csi_write(state, 0xDE, 0x02);
520 adv7180_csi_write(state, 0xD2, 0xF7);
521 adv7180_csi_write(state, 0xD8, 0x65);
522 adv7180_csi_write(state, 0xE0, 0x09);
523 adv7180_csi_write(state, 0x2C, 0x00);
524 if (state->field == V4L2_FIELD_NONE)
525 adv7180_csi_write(state, 0x1D, 0x80);
526 adv7180_csi_write(state, 0x00, 0x00);
527 } else {
528 adv7180_csi_write(state, 0x00, 0x80);
529 }
530 }
531
532 return 0;
533 }
534
adv7180_s_power(struct v4l2_subdev * sd,int on)535 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
536 {
537 struct adv7180_state *state = to_state(sd);
538 int ret;
539
540 ret = mutex_lock_interruptible(&state->mutex);
541 if (ret)
542 return ret;
543
544 ret = adv7180_set_power(state, on);
545 if (ret == 0)
546 state->powered = on;
547
548 mutex_unlock(&state->mutex);
549 return ret;
550 }
551
adv7180_s_ctrl(struct v4l2_ctrl * ctrl)552 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
553 {
554 struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
555 struct adv7180_state *state = to_state(sd);
556 int ret = mutex_lock_interruptible(&state->mutex);
557 int val;
558
559 if (ret)
560 return ret;
561 val = ctrl->val;
562 switch (ctrl->id) {
563 case V4L2_CID_BRIGHTNESS:
564 ret = adv7180_write(state, ADV7180_REG_BRI, val);
565 break;
566 case V4L2_CID_HUE:
567 /*Hue is inverted according to HSL chart */
568 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
569 break;
570 case V4L2_CID_CONTRAST:
571 ret = adv7180_write(state, ADV7180_REG_CON, val);
572 break;
573 case V4L2_CID_SATURATION:
574 /*
575 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
576 *Let's not confuse the user, everybody understands saturation
577 */
578 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
579 if (ret < 0)
580 break;
581 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
582 break;
583 case V4L2_CID_ADV_FAST_SWITCH:
584 if (ctrl->val) {
585 /* ADI required write */
586 adv7180_write(state, 0x80d9, 0x44);
587 adv7180_write(state, ADV7180_REG_FLCONTROL,
588 ADV7180_FLCONTROL_FL_ENABLE);
589 } else {
590 /* ADI required write */
591 adv7180_write(state, 0x80d9, 0xc4);
592 adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
593 }
594 break;
595 default:
596 ret = -EINVAL;
597 }
598
599 mutex_unlock(&state->mutex);
600 return ret;
601 }
602
603 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
604 .s_ctrl = adv7180_s_ctrl,
605 };
606
607 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
608 .ops = &adv7180_ctrl_ops,
609 .id = V4L2_CID_ADV_FAST_SWITCH,
610 .name = "Fast Switching",
611 .type = V4L2_CTRL_TYPE_BOOLEAN,
612 .min = 0,
613 .max = 1,
614 .step = 1,
615 };
616
adv7180_init_controls(struct adv7180_state * state)617 static int adv7180_init_controls(struct adv7180_state *state)
618 {
619 v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
620
621 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
622 V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
623 ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
624 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
625 V4L2_CID_CONTRAST, ADV7180_CON_MIN,
626 ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
627 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
628 V4L2_CID_SATURATION, ADV7180_SAT_MIN,
629 ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
630 v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
631 V4L2_CID_HUE, ADV7180_HUE_MIN,
632 ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
633 v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
634
635 state->sd.ctrl_handler = &state->ctrl_hdl;
636 if (state->ctrl_hdl.error) {
637 int err = state->ctrl_hdl.error;
638
639 v4l2_ctrl_handler_free(&state->ctrl_hdl);
640 return err;
641 }
642 v4l2_ctrl_handler_setup(&state->ctrl_hdl);
643
644 return 0;
645 }
adv7180_exit_controls(struct adv7180_state * state)646 static void adv7180_exit_controls(struct adv7180_state *state)
647 {
648 v4l2_ctrl_handler_free(&state->ctrl_hdl);
649 }
650
adv7180_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_mbus_code_enum * code)651 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
652 struct v4l2_subdev_state *sd_state,
653 struct v4l2_subdev_mbus_code_enum *code)
654 {
655 if (code->index != 0)
656 return -EINVAL;
657
658 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
659
660 return 0;
661 }
662
adv7180_mbus_fmt(struct v4l2_subdev * sd,struct v4l2_mbus_framefmt * fmt)663 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
664 struct v4l2_mbus_framefmt *fmt)
665 {
666 struct adv7180_state *state = to_state(sd);
667
668 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
669 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
670 fmt->width = 720;
671 fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
672
673 if (state->field == V4L2_FIELD_ALTERNATE)
674 fmt->height /= 2;
675
676 return 0;
677 }
678
adv7180_set_field_mode(struct adv7180_state * state)679 static int adv7180_set_field_mode(struct adv7180_state *state)
680 {
681 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
682 return 0;
683
684 if (state->field == V4L2_FIELD_NONE) {
685 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
686 adv7180_csi_write(state, 0x01, 0x20);
687 adv7180_csi_write(state, 0x02, 0x28);
688 adv7180_csi_write(state, 0x03, 0x38);
689 adv7180_csi_write(state, 0x04, 0x30);
690 adv7180_csi_write(state, 0x05, 0x30);
691 adv7180_csi_write(state, 0x06, 0x80);
692 adv7180_csi_write(state, 0x07, 0x70);
693 adv7180_csi_write(state, 0x08, 0x50);
694 }
695 adv7180_vpp_write(state, 0xa3, 0x00);
696 adv7180_vpp_write(state, 0x5b, 0x00);
697 adv7180_vpp_write(state, 0x55, 0x80);
698 } else {
699 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
700 adv7180_csi_write(state, 0x01, 0x18);
701 adv7180_csi_write(state, 0x02, 0x18);
702 adv7180_csi_write(state, 0x03, 0x30);
703 adv7180_csi_write(state, 0x04, 0x20);
704 adv7180_csi_write(state, 0x05, 0x28);
705 adv7180_csi_write(state, 0x06, 0x40);
706 adv7180_csi_write(state, 0x07, 0x58);
707 adv7180_csi_write(state, 0x08, 0x30);
708 }
709 adv7180_vpp_write(state, 0xa3, 0x70);
710 adv7180_vpp_write(state, 0x5b, 0x80);
711 adv7180_vpp_write(state, 0x55, 0x00);
712 }
713
714 return 0;
715 }
716
adv7180_get_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * format)717 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
718 struct v4l2_subdev_state *sd_state,
719 struct v4l2_subdev_format *format)
720 {
721 struct adv7180_state *state = to_state(sd);
722
723 if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
724 format->format = *v4l2_subdev_get_try_format(sd, sd_state, 0);
725 } else {
726 adv7180_mbus_fmt(sd, &format->format);
727 format->format.field = state->field;
728 }
729
730 return 0;
731 }
732
adv7180_set_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state,struct v4l2_subdev_format * format)733 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
734 struct v4l2_subdev_state *sd_state,
735 struct v4l2_subdev_format *format)
736 {
737 struct adv7180_state *state = to_state(sd);
738 struct v4l2_mbus_framefmt *framefmt;
739 int ret;
740
741 switch (format->format.field) {
742 case V4L2_FIELD_NONE:
743 if (state->chip_info->flags & ADV7180_FLAG_I2P)
744 break;
745 fallthrough;
746 default:
747 format->format.field = V4L2_FIELD_ALTERNATE;
748 break;
749 }
750
751 ret = adv7180_mbus_fmt(sd, &format->format);
752
753 if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
754 if (state->field != format->format.field) {
755 state->field = format->format.field;
756 adv7180_set_power(state, false);
757 adv7180_set_field_mode(state);
758 adv7180_set_power(state, true);
759 }
760 } else {
761 framefmt = v4l2_subdev_get_try_format(sd, sd_state, 0);
762 *framefmt = format->format;
763 }
764
765 return ret;
766 }
767
adv7180_init_cfg(struct v4l2_subdev * sd,struct v4l2_subdev_state * sd_state)768 static int adv7180_init_cfg(struct v4l2_subdev *sd,
769 struct v4l2_subdev_state *sd_state)
770 {
771 struct v4l2_subdev_format fmt = {
772 .which = sd_state ? V4L2_SUBDEV_FORMAT_TRY
773 : V4L2_SUBDEV_FORMAT_ACTIVE,
774 };
775
776 return adv7180_set_pad_format(sd, sd_state, &fmt);
777 }
778
adv7180_get_mbus_config(struct v4l2_subdev * sd,unsigned int pad,struct v4l2_mbus_config * cfg)779 static int adv7180_get_mbus_config(struct v4l2_subdev *sd,
780 unsigned int pad,
781 struct v4l2_mbus_config *cfg)
782 {
783 struct adv7180_state *state = to_state(sd);
784
785 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
786 cfg->type = V4L2_MBUS_CSI2_DPHY;
787 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
788 V4L2_MBUS_CSI2_CHANNEL_0 |
789 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
790 } else {
791 /*
792 * The ADV7180 sensor supports BT.601/656 output modes.
793 * The BT.656 is default and not yet configurable by s/w.
794 */
795 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
796 V4L2_MBUS_DATA_ACTIVE_HIGH;
797 cfg->type = V4L2_MBUS_BT656;
798 }
799
800 return 0;
801 }
802
adv7180_get_skip_frames(struct v4l2_subdev * sd,u32 * frames)803 static int adv7180_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
804 {
805 *frames = ADV7180_NUM_OF_SKIP_FRAMES;
806
807 return 0;
808 }
809
adv7180_g_pixelaspect(struct v4l2_subdev * sd,struct v4l2_fract * aspect)810 static int adv7180_g_pixelaspect(struct v4l2_subdev *sd, struct v4l2_fract *aspect)
811 {
812 struct adv7180_state *state = to_state(sd);
813
814 if (state->curr_norm & V4L2_STD_525_60) {
815 aspect->numerator = 11;
816 aspect->denominator = 10;
817 } else {
818 aspect->numerator = 54;
819 aspect->denominator = 59;
820 }
821
822 return 0;
823 }
824
adv7180_g_tvnorms(struct v4l2_subdev * sd,v4l2_std_id * norm)825 static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
826 {
827 *norm = V4L2_STD_ALL;
828 return 0;
829 }
830
adv7180_s_stream(struct v4l2_subdev * sd,int enable)831 static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
832 {
833 struct adv7180_state *state = to_state(sd);
834 int ret;
835
836 /* It's always safe to stop streaming, no need to take the lock */
837 if (!enable) {
838 state->streaming = enable;
839 return 0;
840 }
841
842 /* Must wait until querystd released the lock */
843 ret = mutex_lock_interruptible(&state->mutex);
844 if (ret)
845 return ret;
846 state->streaming = enable;
847 mutex_unlock(&state->mutex);
848 return 0;
849 }
850
adv7180_subscribe_event(struct v4l2_subdev * sd,struct v4l2_fh * fh,struct v4l2_event_subscription * sub)851 static int adv7180_subscribe_event(struct v4l2_subdev *sd,
852 struct v4l2_fh *fh,
853 struct v4l2_event_subscription *sub)
854 {
855 switch (sub->type) {
856 case V4L2_EVENT_SOURCE_CHANGE:
857 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
858 case V4L2_EVENT_CTRL:
859 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
860 default:
861 return -EINVAL;
862 }
863 }
864
865 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
866 .s_std = adv7180_s_std,
867 .g_std = adv7180_g_std,
868 .g_frame_interval = adv7180_g_frame_interval,
869 .querystd = adv7180_querystd,
870 .g_input_status = adv7180_g_input_status,
871 .s_routing = adv7180_s_routing,
872 .g_pixelaspect = adv7180_g_pixelaspect,
873 .g_tvnorms = adv7180_g_tvnorms,
874 .s_stream = adv7180_s_stream,
875 };
876
877 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
878 .s_power = adv7180_s_power,
879 .subscribe_event = adv7180_subscribe_event,
880 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
881 };
882
883 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
884 .init_cfg = adv7180_init_cfg,
885 .enum_mbus_code = adv7180_enum_mbus_code,
886 .set_fmt = adv7180_set_pad_format,
887 .get_fmt = adv7180_get_pad_format,
888 .get_mbus_config = adv7180_get_mbus_config,
889 };
890
891 static const struct v4l2_subdev_sensor_ops adv7180_sensor_ops = {
892 .g_skip_frames = adv7180_get_skip_frames,
893 };
894
895 static const struct v4l2_subdev_ops adv7180_ops = {
896 .core = &adv7180_core_ops,
897 .video = &adv7180_video_ops,
898 .pad = &adv7180_pad_ops,
899 .sensor = &adv7180_sensor_ops,
900 };
901
adv7180_irq(int irq,void * devid)902 static irqreturn_t adv7180_irq(int irq, void *devid)
903 {
904 struct adv7180_state *state = devid;
905 u8 isr3;
906
907 mutex_lock(&state->mutex);
908 isr3 = adv7180_read(state, ADV7180_REG_ISR3);
909 /* clear */
910 adv7180_write(state, ADV7180_REG_ICR3, isr3);
911
912 if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
913 static const struct v4l2_event src_ch = {
914 .type = V4L2_EVENT_SOURCE_CHANGE,
915 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
916 };
917
918 v4l2_subdev_notify_event(&state->sd, &src_ch);
919 }
920 mutex_unlock(&state->mutex);
921
922 return IRQ_HANDLED;
923 }
924
adv7180_init(struct adv7180_state * state)925 static int adv7180_init(struct adv7180_state *state)
926 {
927 int ret;
928
929 /* ITU-R BT.656-4 compatible */
930 ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
931 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
932 if (ret < 0)
933 return ret;
934
935 /* Manually set V bit end position in NTSC mode */
936 return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
937 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
938 }
939
adv7180_set_std(struct adv7180_state * state,unsigned int std)940 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
941 {
942 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
943 (std << 4) | state->input);
944 }
945
adv7180_select_input(struct adv7180_state * state,unsigned int input)946 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
947 {
948 int ret;
949
950 ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
951 if (ret < 0)
952 return ret;
953
954 ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
955 ret |= input;
956 return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
957 }
958
adv7182_init(struct adv7180_state * state)959 static int adv7182_init(struct adv7180_state *state)
960 {
961 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
962 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
963 ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
964
965 if (state->chip_info->flags & ADV7180_FLAG_I2P)
966 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
967 ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
968
969 if (state->chip_info->flags & ADV7180_FLAG_V2) {
970 /* ADI recommended writes for improved video quality */
971 adv7180_write(state, 0x0080, 0x51);
972 adv7180_write(state, 0x0081, 0x51);
973 adv7180_write(state, 0x0082, 0x68);
974 }
975
976 /* ADI required writes */
977 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
978 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x4e);
979 adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL, 0x57);
980 adv7180_write(state, ADV7180_REG_CTRL_2, 0xc0);
981 } else {
982 if (state->chip_info->flags & ADV7180_FLAG_V2) {
983 if (state->force_bt656_4) {
984 /* ITU-R BT.656-4 compatible */
985 adv7180_write(state,
986 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
987 ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
988 /* Manually set NEWAVMODE */
989 adv7180_write(state,
990 ADV7180_REG_VSYNC_FIELD_CTL_1,
991 ADV7180_VSYNC_FIELD_CTL_1_NEWAV);
992 /* Manually set V bit end position in NTSC mode */
993 adv7180_write(state,
994 ADV7180_REG_NTSC_V_BIT_END,
995 ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
996 } else {
997 adv7180_write(state,
998 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
999 0x17);
1000 }
1001 }
1002 else
1003 adv7180_write(state,
1004 ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
1005 0x07);
1006 adv7180_write(state, ADV7180_REG_OUTPUT_CONTROL, 0x0c);
1007 adv7180_write(state, ADV7180_REG_CTRL_2, 0x40);
1008 }
1009
1010 adv7180_write(state, 0x0013, 0x00);
1011
1012 return 0;
1013 }
1014
adv7182_set_std(struct adv7180_state * state,unsigned int std)1015 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
1016 {
1017 return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
1018 }
1019
1020 enum adv7182_input_type {
1021 ADV7182_INPUT_TYPE_CVBS,
1022 ADV7182_INPUT_TYPE_DIFF_CVBS,
1023 ADV7182_INPUT_TYPE_SVIDEO,
1024 ADV7182_INPUT_TYPE_YPBPR,
1025 };
1026
adv7182_get_input_type(unsigned int input)1027 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
1028 {
1029 switch (input) {
1030 case ADV7182_INPUT_CVBS_AIN1:
1031 case ADV7182_INPUT_CVBS_AIN2:
1032 case ADV7182_INPUT_CVBS_AIN3:
1033 case ADV7182_INPUT_CVBS_AIN4:
1034 case ADV7182_INPUT_CVBS_AIN5:
1035 case ADV7182_INPUT_CVBS_AIN6:
1036 case ADV7182_INPUT_CVBS_AIN7:
1037 case ADV7182_INPUT_CVBS_AIN8:
1038 return ADV7182_INPUT_TYPE_CVBS;
1039 case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
1040 case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
1041 case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
1042 case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
1043 return ADV7182_INPUT_TYPE_SVIDEO;
1044 case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
1045 case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
1046 return ADV7182_INPUT_TYPE_YPBPR;
1047 case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
1048 case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
1049 case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
1050 case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
1051 return ADV7182_INPUT_TYPE_DIFF_CVBS;
1052 default: /* Will never happen */
1053 return 0;
1054 }
1055 }
1056
1057 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
1058 static unsigned int adv7182_lbias_settings[][3] = {
1059 [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
1060 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1061 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1062 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1063 };
1064
1065 static unsigned int adv7280_lbias_settings[][3] = {
1066 [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
1067 [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
1068 [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
1069 [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
1070 };
1071
adv7182_select_input(struct adv7180_state * state,unsigned int input)1072 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
1073 {
1074 enum adv7182_input_type input_type;
1075 unsigned int *lbias;
1076 unsigned int i;
1077 int ret;
1078
1079 ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
1080 if (ret)
1081 return ret;
1082
1083 /* Reset clamp circuitry - ADI recommended writes */
1084 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0x00);
1085 adv7180_write(state, ADV7180_REG_RST_CLAMP, 0xff);
1086
1087 input_type = adv7182_get_input_type(input);
1088
1089 switch (input_type) {
1090 case ADV7182_INPUT_TYPE_CVBS:
1091 case ADV7182_INPUT_TYPE_DIFF_CVBS:
1092 /* ADI recommends to use the SH1 filter */
1093 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x41);
1094 break;
1095 default:
1096 adv7180_write(state, ADV7180_REG_SHAP_FILTER_CTL_1, 0x01);
1097 break;
1098 }
1099
1100 if (state->chip_info->flags & ADV7180_FLAG_V2)
1101 lbias = adv7280_lbias_settings[input_type];
1102 else
1103 lbias = adv7182_lbias_settings[input_type];
1104
1105 for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
1106 adv7180_write(state, ADV7180_REG_CVBS_TRIM + i, lbias[i]);
1107
1108 if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1109 /* ADI required writes to make differential CVBS work */
1110 adv7180_write(state, ADV7180_REG_RES_CIR, 0xa8);
1111 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0x90);
1112 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0xb0);
1113 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x08);
1114 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0xa0);
1115 } else {
1116 adv7180_write(state, ADV7180_REG_RES_CIR, 0xf0);
1117 adv7180_write(state, ADV7180_REG_CLAMP_ADJ, 0xd0);
1118 adv7180_write(state, ADV7180_REG_DIFF_MODE, 0x10);
1119 adv7180_write(state, ADV7180_REG_AGC_ADJ1, 0x9c);
1120 adv7180_write(state, ADV7180_REG_AGC_ADJ2, 0x00);
1121 }
1122
1123 return 0;
1124 }
1125
1126 static const struct adv7180_chip_info adv7180_info = {
1127 .flags = ADV7180_FLAG_RESET_POWERED,
1128 /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1129 * all inputs and let the card driver take care of validation
1130 */
1131 .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1132 BIT(ADV7180_INPUT_CVBS_AIN2) |
1133 BIT(ADV7180_INPUT_CVBS_AIN3) |
1134 BIT(ADV7180_INPUT_CVBS_AIN4) |
1135 BIT(ADV7180_INPUT_CVBS_AIN5) |
1136 BIT(ADV7180_INPUT_CVBS_AIN6) |
1137 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1138 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1139 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1140 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1141 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1142 .init = adv7180_init,
1143 .set_std = adv7180_set_std,
1144 .select_input = adv7180_select_input,
1145 };
1146
1147 static const struct adv7180_chip_info adv7182_info = {
1148 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1149 BIT(ADV7182_INPUT_CVBS_AIN2) |
1150 BIT(ADV7182_INPUT_CVBS_AIN3) |
1151 BIT(ADV7182_INPUT_CVBS_AIN4) |
1152 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1153 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1154 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1155 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1156 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1157 .init = adv7182_init,
1158 .set_std = adv7182_set_std,
1159 .select_input = adv7182_select_input,
1160 };
1161
1162 static const struct adv7180_chip_info adv7280_info = {
1163 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1164 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1165 BIT(ADV7182_INPUT_CVBS_AIN2) |
1166 BIT(ADV7182_INPUT_CVBS_AIN3) |
1167 BIT(ADV7182_INPUT_CVBS_AIN4) |
1168 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1169 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1170 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1171 .init = adv7182_init,
1172 .set_std = adv7182_set_std,
1173 .select_input = adv7182_select_input,
1174 };
1175
1176 static const struct adv7180_chip_info adv7280_m_info = {
1177 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1178 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1179 BIT(ADV7182_INPUT_CVBS_AIN2) |
1180 BIT(ADV7182_INPUT_CVBS_AIN3) |
1181 BIT(ADV7182_INPUT_CVBS_AIN4) |
1182 BIT(ADV7182_INPUT_CVBS_AIN5) |
1183 BIT(ADV7182_INPUT_CVBS_AIN6) |
1184 BIT(ADV7182_INPUT_CVBS_AIN7) |
1185 BIT(ADV7182_INPUT_CVBS_AIN8) |
1186 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1187 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1188 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1189 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1190 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1191 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1192 .init = adv7182_init,
1193 .set_std = adv7182_set_std,
1194 .select_input = adv7182_select_input,
1195 };
1196
1197 static const struct adv7180_chip_info adv7281_info = {
1198 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1199 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1200 BIT(ADV7182_INPUT_CVBS_AIN2) |
1201 BIT(ADV7182_INPUT_CVBS_AIN7) |
1202 BIT(ADV7182_INPUT_CVBS_AIN8) |
1203 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1204 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1205 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1206 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1207 .init = adv7182_init,
1208 .set_std = adv7182_set_std,
1209 .select_input = adv7182_select_input,
1210 };
1211
1212 static const struct adv7180_chip_info adv7281_m_info = {
1213 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1214 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1215 BIT(ADV7182_INPUT_CVBS_AIN2) |
1216 BIT(ADV7182_INPUT_CVBS_AIN3) |
1217 BIT(ADV7182_INPUT_CVBS_AIN4) |
1218 BIT(ADV7182_INPUT_CVBS_AIN7) |
1219 BIT(ADV7182_INPUT_CVBS_AIN8) |
1220 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1221 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1222 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1223 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1224 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1225 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1226 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1227 .init = adv7182_init,
1228 .set_std = adv7182_set_std,
1229 .select_input = adv7182_select_input,
1230 };
1231
1232 static const struct adv7180_chip_info adv7281_ma_info = {
1233 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1234 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1235 BIT(ADV7182_INPUT_CVBS_AIN2) |
1236 BIT(ADV7182_INPUT_CVBS_AIN3) |
1237 BIT(ADV7182_INPUT_CVBS_AIN4) |
1238 BIT(ADV7182_INPUT_CVBS_AIN5) |
1239 BIT(ADV7182_INPUT_CVBS_AIN6) |
1240 BIT(ADV7182_INPUT_CVBS_AIN7) |
1241 BIT(ADV7182_INPUT_CVBS_AIN8) |
1242 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1243 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1244 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1245 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1246 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1247 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1248 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1249 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1250 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1251 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1252 .init = adv7182_init,
1253 .set_std = adv7182_set_std,
1254 .select_input = adv7182_select_input,
1255 };
1256
1257 static const struct adv7180_chip_info adv7282_info = {
1258 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1259 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1260 BIT(ADV7182_INPUT_CVBS_AIN2) |
1261 BIT(ADV7182_INPUT_CVBS_AIN7) |
1262 BIT(ADV7182_INPUT_CVBS_AIN8) |
1263 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1264 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1265 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1266 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1267 .init = adv7182_init,
1268 .set_std = adv7182_set_std,
1269 .select_input = adv7182_select_input,
1270 };
1271
1272 static const struct adv7180_chip_info adv7282_m_info = {
1273 .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1274 .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1275 BIT(ADV7182_INPUT_CVBS_AIN2) |
1276 BIT(ADV7182_INPUT_CVBS_AIN3) |
1277 BIT(ADV7182_INPUT_CVBS_AIN4) |
1278 BIT(ADV7182_INPUT_CVBS_AIN7) |
1279 BIT(ADV7182_INPUT_CVBS_AIN8) |
1280 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1281 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1282 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1283 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1284 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1285 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1286 .init = adv7182_init,
1287 .set_std = adv7182_set_std,
1288 .select_input = adv7182_select_input,
1289 };
1290
init_device(struct adv7180_state * state)1291 static int init_device(struct adv7180_state *state)
1292 {
1293 int ret;
1294
1295 mutex_lock(&state->mutex);
1296
1297 adv7180_set_power_pin(state, true);
1298 adv7180_set_reset_pin(state, false);
1299
1300 adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1301 usleep_range(5000, 10000);
1302
1303 ret = state->chip_info->init(state);
1304 if (ret)
1305 goto out_unlock;
1306
1307 ret = adv7180_program_std(state);
1308 if (ret)
1309 goto out_unlock;
1310
1311 adv7180_set_field_mode(state);
1312
1313 /* register for interrupts */
1314 if (state->irq > 0) {
1315 /* config the Interrupt pin to be active low */
1316 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1317 ADV7180_ICONF1_ACTIVE_LOW |
1318 ADV7180_ICONF1_PSYNC_ONLY);
1319 if (ret < 0)
1320 goto out_unlock;
1321
1322 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1323 if (ret < 0)
1324 goto out_unlock;
1325
1326 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1327 if (ret < 0)
1328 goto out_unlock;
1329
1330 /* enable AD change interrupts interrupts */
1331 ret = adv7180_write(state, ADV7180_REG_IMR3,
1332 ADV7180_IRQ3_AD_CHANGE);
1333 if (ret < 0)
1334 goto out_unlock;
1335
1336 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1337 if (ret < 0)
1338 goto out_unlock;
1339 }
1340
1341 out_unlock:
1342 mutex_unlock(&state->mutex);
1343
1344 return ret;
1345 }
1346
adv7180_probe(struct i2c_client * client,const struct i2c_device_id * id)1347 static int adv7180_probe(struct i2c_client *client,
1348 const struct i2c_device_id *id)
1349 {
1350 struct device_node *np = client->dev.of_node;
1351 struct adv7180_state *state;
1352 struct v4l2_subdev *sd;
1353 int ret;
1354
1355 /* Check if the adapter supports the needed features */
1356 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1357 return -EIO;
1358
1359 state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1360 if (state == NULL)
1361 return -ENOMEM;
1362
1363 state->client = client;
1364 state->field = V4L2_FIELD_ALTERNATE;
1365 state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1366
1367 state->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown",
1368 GPIOD_OUT_HIGH);
1369 if (IS_ERR(state->pwdn_gpio)) {
1370 ret = PTR_ERR(state->pwdn_gpio);
1371 v4l_err(client, "request for power pin failed: %d\n", ret);
1372 return ret;
1373 }
1374
1375 state->rst_gpio = devm_gpiod_get_optional(&client->dev, "reset",
1376 GPIOD_OUT_HIGH);
1377 if (IS_ERR(state->rst_gpio)) {
1378 ret = PTR_ERR(state->rst_gpio);
1379 v4l_err(client, "request for reset pin failed: %d\n", ret);
1380 return ret;
1381 }
1382
1383 if (of_property_read_bool(np, "adv,force-bt656-4"))
1384 state->force_bt656_4 = true;
1385
1386 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1387 state->csi_client = i2c_new_dummy_device(client->adapter,
1388 ADV7180_DEFAULT_CSI_I2C_ADDR);
1389 if (IS_ERR(state->csi_client))
1390 return PTR_ERR(state->csi_client);
1391 }
1392
1393 if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1394 state->vpp_client = i2c_new_dummy_device(client->adapter,
1395 ADV7180_DEFAULT_VPP_I2C_ADDR);
1396 if (IS_ERR(state->vpp_client)) {
1397 ret = PTR_ERR(state->vpp_client);
1398 goto err_unregister_csi_client;
1399 }
1400 }
1401
1402 state->irq = client->irq;
1403 mutex_init(&state->mutex);
1404 state->curr_norm = V4L2_STD_NTSC;
1405 if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1406 state->powered = true;
1407 else
1408 state->powered = false;
1409 state->input = 0;
1410 sd = &state->sd;
1411 v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1412 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1413
1414 ret = adv7180_init_controls(state);
1415 if (ret)
1416 goto err_unregister_vpp_client;
1417
1418 state->pad.flags = MEDIA_PAD_FL_SOURCE;
1419 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1420 ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1421 if (ret)
1422 goto err_free_ctrl;
1423
1424 ret = init_device(state);
1425 if (ret)
1426 goto err_media_entity_cleanup;
1427
1428 if (state->irq) {
1429 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1430 IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1431 KBUILD_MODNAME, state);
1432 if (ret)
1433 goto err_media_entity_cleanup;
1434 }
1435
1436 ret = v4l2_async_register_subdev(sd);
1437 if (ret)
1438 goto err_free_irq;
1439
1440 mutex_lock(&state->mutex);
1441 ret = adv7180_read(state, ADV7180_REG_IDENT);
1442 mutex_unlock(&state->mutex);
1443 if (ret < 0)
1444 goto err_v4l2_async_unregister;
1445
1446 v4l_info(client, "chip id 0x%x found @ 0x%02x (%s)\n",
1447 ret, client->addr, client->adapter->name);
1448
1449 return 0;
1450
1451 err_v4l2_async_unregister:
1452 v4l2_async_unregister_subdev(sd);
1453 err_free_irq:
1454 if (state->irq > 0)
1455 free_irq(client->irq, state);
1456 err_media_entity_cleanup:
1457 media_entity_cleanup(&sd->entity);
1458 err_free_ctrl:
1459 adv7180_exit_controls(state);
1460 err_unregister_vpp_client:
1461 i2c_unregister_device(state->vpp_client);
1462 err_unregister_csi_client:
1463 i2c_unregister_device(state->csi_client);
1464 mutex_destroy(&state->mutex);
1465 return ret;
1466 }
1467
adv7180_remove(struct i2c_client * client)1468 static int adv7180_remove(struct i2c_client *client)
1469 {
1470 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1471 struct adv7180_state *state = to_state(sd);
1472
1473 v4l2_async_unregister_subdev(sd);
1474
1475 if (state->irq > 0)
1476 free_irq(client->irq, state);
1477
1478 media_entity_cleanup(&sd->entity);
1479 adv7180_exit_controls(state);
1480
1481 i2c_unregister_device(state->vpp_client);
1482 i2c_unregister_device(state->csi_client);
1483
1484 adv7180_set_reset_pin(state, true);
1485 adv7180_set_power_pin(state, false);
1486
1487 mutex_destroy(&state->mutex);
1488
1489 return 0;
1490 }
1491
1492 static const struct i2c_device_id adv7180_id[] = {
1493 { "adv7180", (kernel_ulong_t)&adv7180_info },
1494 { "adv7180cp", (kernel_ulong_t)&adv7180_info },
1495 { "adv7180st", (kernel_ulong_t)&adv7180_info },
1496 { "adv7182", (kernel_ulong_t)&adv7182_info },
1497 { "adv7280", (kernel_ulong_t)&adv7280_info },
1498 { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1499 { "adv7281", (kernel_ulong_t)&adv7281_info },
1500 { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1501 { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1502 { "adv7282", (kernel_ulong_t)&adv7282_info },
1503 { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1504 {},
1505 };
1506 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1507
1508 #ifdef CONFIG_PM_SLEEP
adv7180_suspend(struct device * dev)1509 static int adv7180_suspend(struct device *dev)
1510 {
1511 struct v4l2_subdev *sd = dev_get_drvdata(dev);
1512 struct adv7180_state *state = to_state(sd);
1513
1514 return adv7180_set_power(state, false);
1515 }
1516
adv7180_resume(struct device * dev)1517 static int adv7180_resume(struct device *dev)
1518 {
1519 struct v4l2_subdev *sd = dev_get_drvdata(dev);
1520 struct adv7180_state *state = to_state(sd);
1521 int ret;
1522
1523 ret = init_device(state);
1524 if (ret < 0)
1525 return ret;
1526
1527 ret = adv7180_set_power(state, state->powered);
1528 if (ret)
1529 return ret;
1530
1531 return 0;
1532 }
1533
1534 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1535 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1536
1537 #else
1538 #define ADV7180_PM_OPS NULL
1539 #endif
1540
1541 #ifdef CONFIG_OF
1542 static const struct of_device_id adv7180_of_id[] = {
1543 { .compatible = "adi,adv7180", },
1544 { .compatible = "adi,adv7180cp", },
1545 { .compatible = "adi,adv7180st", },
1546 { .compatible = "adi,adv7182", },
1547 { .compatible = "adi,adv7280", },
1548 { .compatible = "adi,adv7280-m", },
1549 { .compatible = "adi,adv7281", },
1550 { .compatible = "adi,adv7281-m", },
1551 { .compatible = "adi,adv7281-ma", },
1552 { .compatible = "adi,adv7282", },
1553 { .compatible = "adi,adv7282-m", },
1554 { },
1555 };
1556
1557 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1558 #endif
1559
1560 static struct i2c_driver adv7180_driver = {
1561 .driver = {
1562 .name = KBUILD_MODNAME,
1563 .pm = ADV7180_PM_OPS,
1564 .of_match_table = of_match_ptr(adv7180_of_id),
1565 },
1566 .probe = adv7180_probe,
1567 .remove = adv7180_remove,
1568 .id_table = adv7180_id,
1569 };
1570
1571 module_i2c_driver(adv7180_driver);
1572
1573 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1574 MODULE_AUTHOR("Mocean Laboratories");
1575 MODULE_LICENSE("GPL v2");
1576