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net: qmi_wwan: add Olivetti Olicard 500
[linux/fpc-iii.git] / drivers / media / i2c / tvp514x.c
blobca001178c5bf73aae2c7bd2baff57b0a2e771da9
1 /*
2 * drivers/media/i2c/tvp514x.c
3 *
4 * TI TVP5146/47 decoder driver
5 *
6 * Copyright (C) 2008 Texas Instruments Inc
7 * Author: Vaibhav Hiremath <hvaibhav@ti.com>
8 *
9 * Contributors:
10 * Sivaraj R <sivaraj@ti.com>
11 * Brijesh R Jadav <brijesh.j@ti.com>
12 * Hardik Shah <hardik.shah@ti.com>
13 * Manjunath Hadli <mrh@ti.com>
14 * Karicheri Muralidharan <m-karicheri2@ti.com>
15 * Prabhakar Lad <prabhakar.lad@ti.com>
16 *
17 * This package is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, write to the Free Software
28 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 *
30 */
31
32 #include <linux/i2c.h>
33 #include <linux/slab.h>
34 #include <linux/delay.h>
35 #include <linux/videodev2.h>
36 #include <linux/module.h>
37 #include <linux/v4l2-mediabus.h>
38 #include <linux/of.h>
39 #include <linux/of_graph.h>
40
41 #include <media/v4l2-async.h>
42 #include <media/v4l2-device.h>
43 #include <media/v4l2-common.h>
44 #include <media/v4l2-mediabus.h>
45 #include <media/v4l2-of.h>
46 #include <media/v4l2-ctrls.h>
47 #include <media/tvp514x.h>
48 #include <media/media-entity.h>
49
50 #include "tvp514x_regs.h"
51
52 /* Private macros for TVP */
53 #define I2C_RETRY_COUNT (5)
54 #define LOCK_RETRY_COUNT (5)
55 #define LOCK_RETRY_DELAY (200)
56
57 /* Debug functions */
58 static bool debug;
59 module_param(debug, bool, 0644);
60 MODULE_PARM_DESC(debug, "Debug level (0-1)");
61
62 MODULE_AUTHOR("Texas Instruments");
63 MODULE_DESCRIPTION("TVP514X linux decoder driver");
64 MODULE_LICENSE("GPL");
65
66 /* enum tvp514x_std - enum for supported standards */
67 enum tvp514x_std {
68 STD_NTSC_MJ = 0,
69 STD_PAL_BDGHIN,
70 STD_INVALID
71 };
72
73 /**
74 * struct tvp514x_std_info - Structure to store standard informations
75 * @width: Line width in pixels
76 * @height:Number of active lines
77 * @video_std: Value to write in REG_VIDEO_STD register
78 * @standard: v4l2 standard structure information
79 */
80 struct tvp514x_std_info {
81 unsigned long width;
82 unsigned long height;
83 u8 video_std;
84 struct v4l2_standard standard;
85 };
86
87 static struct tvp514x_reg tvp514x_reg_list_default[0x40];
88
89 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable);
90 /**
91 * struct tvp514x_decoder - TVP5146/47 decoder object
92 * @sd: Subdevice Slave handle
93 * @tvp514x_regs: copy of hw's regs with preset values.
94 * @pdata: Board specific
95 * @ver: Chip version
96 * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
97 * @pix: Current pixel format
98 * @num_fmts: Number of formats
99 * @fmt_list: Format list
100 * @current_std: Current standard
101 * @num_stds: Number of standards
102 * @std_list: Standards list
103 * @input: Input routing at chip level
104 * @output: Output routing at chip level
105 */
106 struct tvp514x_decoder {
107 struct v4l2_subdev sd;
108 struct v4l2_ctrl_handler hdl;
109 struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)];
110 const struct tvp514x_platform_data *pdata;
111
112 int ver;
113 int streaming;
114
115 struct v4l2_pix_format pix;
116 int num_fmts;
117 const struct v4l2_fmtdesc *fmt_list;
118
119 enum tvp514x_std current_std;
120 int num_stds;
121 const struct tvp514x_std_info *std_list;
122 /* Input and Output Routing parameters */
123 u32 input;
124 u32 output;
125
126 /* mc related members */
127 struct media_pad pad;
128 struct v4l2_mbus_framefmt format;
129
130 struct tvp514x_reg *int_seq;
131 };
132
133 /* TVP514x default register values */
134 static struct tvp514x_reg tvp514x_reg_list_default[] = {
135 /* Composite selected */
136 {TOK_WRITE, REG_INPUT_SEL, 0x05},
137 {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F},
138 /* Auto mode */
139 {TOK_WRITE, REG_VIDEO_STD, 0x00},
140 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
141 {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F},
142 {TOK_WRITE, REG_COLOR_KILLER, 0x10},
143 {TOK_WRITE, REG_LUMA_CONTROL1, 0x00},
144 {TOK_WRITE, REG_LUMA_CONTROL2, 0x00},
145 {TOK_WRITE, REG_LUMA_CONTROL3, 0x02},
146 {TOK_WRITE, REG_BRIGHTNESS, 0x80},
147 {TOK_WRITE, REG_CONTRAST, 0x80},
148 {TOK_WRITE, REG_SATURATION, 0x80},
149 {TOK_WRITE, REG_HUE, 0x00},
150 {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00},
151 {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E},
152 /* Reserved */
153 {TOK_SKIP, 0x0F, 0x00},
154 {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80},
155 {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80},
156 {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80},
157 /* Reserved */
158 {TOK_SKIP, 0x13, 0x00},
159 {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80},
160 /* Reserved */
161 {TOK_SKIP, 0x15, 0x00},
162 /* NTSC timing */
163 {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55},
164 {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00},
165 {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25},
166 {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03},
167 /* NTSC timing */
168 {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00},
169 {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00},
170 {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40},
171 {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00},
172 /* NTSC timing */
173 {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04},
174 {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00},
175 {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07},
176 {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00},
177 /* NTSC timing */
178 {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01},
179 {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00},
180 {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15},
181 {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00},
182 /* Reserved */
183 {TOK_SKIP, 0x26, 0x00},
184 /* Reserved */
185 {TOK_SKIP, 0x27, 0x00},
186 {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC},
187 /* Reserved */
188 {TOK_SKIP, 0x29, 0x00},
189 {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00},
190 /* Reserved */
191 {TOK_SKIP, 0x2B, 0x00},
192 {TOK_SKIP, REG_SCART_DELAY, 0x00},
193 {TOK_SKIP, REG_CTI_DELAY, 0x00},
194 {TOK_SKIP, REG_CTI_CONTROL, 0x00},
195 /* Reserved */
196 {TOK_SKIP, 0x2F, 0x00},
197 /* Reserved */
198 {TOK_SKIP, 0x30, 0x00},
199 /* Reserved */
200 {TOK_SKIP, 0x31, 0x00},
201 /* HS, VS active high */
202 {TOK_WRITE, REG_SYNC_CONTROL, 0x00},
203 /* 10-bit BT.656 */
204 {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00},
205 /* Enable clk & data */
206 {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11},
207 /* Enable AVID & FLD */
208 {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE},
209 /* Enable VS & HS */
210 {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF},
211 {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF},
212 {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF},
213 /* Clear status */
214 {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01},
215 {TOK_TERM, 0, 0},
216 };
217
218 /**
219 * List of image formats supported by TVP5146/47 decoder
220 * Currently we are using 8 bit mode only, but can be
221 * extended to 10/20 bit mode.
222 */
223 static const struct v4l2_fmtdesc tvp514x_fmt_list[] = {
224 {
225 .index = 0,
226 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
227 .flags = 0,
228 .description = "8-bit UYVY 4:2:2 Format",
229 .pixelformat = V4L2_PIX_FMT_UYVY,
230 },
231 };
232
233 /**
234 * Supported standards -
235 *
236 * Currently supports two standards only, need to add support for rest of the
237 * modes, like SECAM, etc...
238 */
239 static const struct tvp514x_std_info tvp514x_std_list[] = {
240 /* Standard: STD_NTSC_MJ */
241 [STD_NTSC_MJ] = {
242 .width = NTSC_NUM_ACTIVE_PIXELS,
243 .height = NTSC_NUM_ACTIVE_LINES,
244 .video_std = VIDEO_STD_NTSC_MJ_BIT,
245 .standard = {
246 .index = 0,
247 .id = V4L2_STD_NTSC,
248 .name = "NTSC",
249 .frameperiod = {1001, 30000},
250 .framelines = 525
251 },
252 /* Standard: STD_PAL_BDGHIN */
253 },
254 [STD_PAL_BDGHIN] = {
255 .width = PAL_NUM_ACTIVE_PIXELS,
256 .height = PAL_NUM_ACTIVE_LINES,
257 .video_std = VIDEO_STD_PAL_BDGHIN_BIT,
258 .standard = {
259 .index = 1,
260 .id = V4L2_STD_PAL,
261 .name = "PAL",
262 .frameperiod = {1, 25},
263 .framelines = 625
264 },
265 },
266 /* Standard: need to add for additional standard */
267 };
268
269
270 static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
271 {
272 return container_of(sd, struct tvp514x_decoder, sd);
273 }
274
275 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
276 {
277 return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd;
278 }
279
280
281 /**
282 * tvp514x_read_reg() - Read a value from a register in an TVP5146/47.
283 * @sd: ptr to v4l2_subdev struct
284 * @reg: TVP5146/47 register address
285 *
286 * Returns value read if successful, or non-zero (-1) otherwise.
287 */
288 static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
289 {
290 int err, retry = 0;
291 struct i2c_client *client = v4l2_get_subdevdata(sd);
292
293 read_again:
294
295 err = i2c_smbus_read_byte_data(client, reg);
296 if (err < 0) {
297 if (retry <= I2C_RETRY_COUNT) {
298 v4l2_warn(sd, "Read: retry ... %d\n", retry);
299 retry++;
300 msleep_interruptible(10);
301 goto read_again;
302 }
303 }
304
305 return err;
306 }
307
308 /**
309 * dump_reg() - dump the register content of TVP5146/47.
310 * @sd: ptr to v4l2_subdev struct
311 * @reg: TVP5146/47 register address
312 */
313 static void dump_reg(struct v4l2_subdev *sd, u8 reg)
314 {
315 u32 val;
316
317 val = tvp514x_read_reg(sd, reg);
318 v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val);
319 }
320
321 /**
322 * tvp514x_write_reg() - Write a value to a register in TVP5146/47
323 * @sd: ptr to v4l2_subdev struct
324 * @reg: TVP5146/47 register address
325 * @val: value to be written to the register
326 *
327 * Write a value to a register in an TVP5146/47 decoder device.
328 * Returns zero if successful, or non-zero otherwise.
329 */
330 static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
331 {
332 int err, retry = 0;
333 struct i2c_client *client = v4l2_get_subdevdata(sd);
334
335 write_again:
336
337 err = i2c_smbus_write_byte_data(client, reg, val);
338 if (err) {
339 if (retry <= I2C_RETRY_COUNT) {
340 v4l2_warn(sd, "Write: retry ... %d\n", retry);
341 retry++;
342 msleep_interruptible(10);
343 goto write_again;
344 }
345 }
346
347 return err;
348 }
349
350 /**
351 * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers
352 * @sd: ptr to v4l2_subdev struct
353 * @reglist: list of TVP5146/47 registers and values
354 *
355 * Initializes a list of TVP5146/47 registers:-
356 * if token is TOK_TERM, then entire write operation terminates
357 * if token is TOK_DELAY, then a delay of 'val' msec is introduced
358 * if token is TOK_SKIP, then the register write is skipped
359 * if token is TOK_WRITE, then the register write is performed
360 * Returns zero if successful, or non-zero otherwise.
361 */
362 static int tvp514x_write_regs(struct v4l2_subdev *sd,
363 const struct tvp514x_reg reglist[])
364 {
365 int err;
366 const struct tvp514x_reg *next = reglist;
367
368 for (; next->token != TOK_TERM; next++) {
369 if (next->token == TOK_DELAY) {
370 msleep(next->val);
371 continue;
372 }
373
374 if (next->token == TOK_SKIP)
375 continue;
376
377 err = tvp514x_write_reg(sd, next->reg, (u8) next->val);
378 if (err) {
379 v4l2_err(sd, "Write failed. Err[%d]\n", err);
380 return err;
381 }
382 }
383 return 0;
384 }
385
386 /**
387 * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47
388 * @sd: ptr to v4l2_subdev struct
389 *
390 * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no
391 * standard detected.
392 */
393 static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd)
394 {
395 u8 std, std_status;
396
397 std = tvp514x_read_reg(sd, REG_VIDEO_STD);
398 if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT)
399 /* use the standard status register */
400 std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS);
401 else
402 /* use the standard register itself */
403 std_status = std;
404
405 switch (std_status & VIDEO_STD_MASK) {
406 case VIDEO_STD_NTSC_MJ_BIT:
407 return STD_NTSC_MJ;
408
409 case VIDEO_STD_PAL_BDGHIN_BIT:
410 return STD_PAL_BDGHIN;
411
412 default:
413 return STD_INVALID;
414 }
415
416 return STD_INVALID;
417 }
418
419 /* TVP5146/47 register dump function */
420 static void tvp514x_reg_dump(struct v4l2_subdev *sd)
421 {
422 dump_reg(sd, REG_INPUT_SEL);
423 dump_reg(sd, REG_AFE_GAIN_CTRL);
424 dump_reg(sd, REG_VIDEO_STD);
425 dump_reg(sd, REG_OPERATION_MODE);
426 dump_reg(sd, REG_COLOR_KILLER);
427 dump_reg(sd, REG_LUMA_CONTROL1);
428 dump_reg(sd, REG_LUMA_CONTROL2);
429 dump_reg(sd, REG_LUMA_CONTROL3);
430 dump_reg(sd, REG_BRIGHTNESS);
431 dump_reg(sd, REG_CONTRAST);
432 dump_reg(sd, REG_SATURATION);
433 dump_reg(sd, REG_HUE);
434 dump_reg(sd, REG_CHROMA_CONTROL1);
435 dump_reg(sd, REG_CHROMA_CONTROL2);
436 dump_reg(sd, REG_COMP_PR_SATURATION);
437 dump_reg(sd, REG_COMP_Y_CONTRAST);
438 dump_reg(sd, REG_COMP_PB_SATURATION);
439 dump_reg(sd, REG_COMP_Y_BRIGHTNESS);
440 dump_reg(sd, REG_AVID_START_PIXEL_LSB);
441 dump_reg(sd, REG_AVID_START_PIXEL_MSB);
442 dump_reg(sd, REG_AVID_STOP_PIXEL_LSB);
443 dump_reg(sd, REG_AVID_STOP_PIXEL_MSB);
444 dump_reg(sd, REG_HSYNC_START_PIXEL_LSB);
445 dump_reg(sd, REG_HSYNC_START_PIXEL_MSB);
446 dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB);
447 dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB);
448 dump_reg(sd, REG_VSYNC_START_LINE_LSB);
449 dump_reg(sd, REG_VSYNC_START_LINE_MSB);
450 dump_reg(sd, REG_VSYNC_STOP_LINE_LSB);
451 dump_reg(sd, REG_VSYNC_STOP_LINE_MSB);
452 dump_reg(sd, REG_VBLK_START_LINE_LSB);
453 dump_reg(sd, REG_VBLK_START_LINE_MSB);
454 dump_reg(sd, REG_VBLK_STOP_LINE_LSB);
455 dump_reg(sd, REG_VBLK_STOP_LINE_MSB);
456 dump_reg(sd, REG_SYNC_CONTROL);
457 dump_reg(sd, REG_OUTPUT_FORMATTER1);
458 dump_reg(sd, REG_OUTPUT_FORMATTER2);
459 dump_reg(sd, REG_OUTPUT_FORMATTER3);
460 dump_reg(sd, REG_OUTPUT_FORMATTER4);
461 dump_reg(sd, REG_OUTPUT_FORMATTER5);
462 dump_reg(sd, REG_OUTPUT_FORMATTER6);
463 dump_reg(sd, REG_CLEAR_LOST_LOCK);
464 }
465
466 /**
467 * tvp514x_configure() - Configure the TVP5146/47 registers
468 * @sd: ptr to v4l2_subdev struct
469 * @decoder: ptr to tvp514x_decoder structure
470 *
471 * Returns zero if successful, or non-zero otherwise.
472 */
473 static int tvp514x_configure(struct v4l2_subdev *sd,
474 struct tvp514x_decoder *decoder)
475 {
476 int err;
477
478 /* common register initialization */
479 err =
480 tvp514x_write_regs(sd, decoder->tvp514x_regs);
481 if (err)
482 return err;
483
484 if (debug)
485 tvp514x_reg_dump(sd);
486
487 return 0;
488 }
489
490 /**
491 * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision.
492 * @sd: pointer to standard V4L2 sub-device structure
493 * @decoder: pointer to tvp514x_decoder structure
494 *
495 * A device is considered to be detected if the chip ID (LSB and MSB)
496 * registers match the expected values.
497 * Any value of the rom version register is accepted.
498 * Returns ENODEV error number if no device is detected, or zero
499 * if a device is detected.
500 */
501 static int tvp514x_detect(struct v4l2_subdev *sd,
502 struct tvp514x_decoder *decoder)
503 {
504 u8 chip_id_msb, chip_id_lsb, rom_ver;
505 struct i2c_client *client = v4l2_get_subdevdata(sd);
506
507 chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB);
508 chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB);
509 rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION);
510
511 v4l2_dbg(1, debug, sd,
512 "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n",
513 chip_id_msb, chip_id_lsb, rom_ver);
514 if ((chip_id_msb != TVP514X_CHIP_ID_MSB)
515 || ((chip_id_lsb != TVP5146_CHIP_ID_LSB)
516 && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) {
517 /* We didn't read the values we expected, so this must not be
518 * an TVP5146/47.
519 */
520 v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n",
521 chip_id_msb, chip_id_lsb);
522 return -ENODEV;
523 }
524
525 decoder->ver = rom_ver;
526
527 v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n",
528 client->name, decoder->ver,
529 client->addr << 1, client->adapter->name);
530 return 0;
531 }
532
533 /**
534 * tvp514x_querystd() - V4L2 decoder interface handler for querystd
535 * @sd: pointer to standard V4L2 sub-device structure
536 * @std_id: standard V4L2 std_id ioctl enum
537 *
538 * Returns the current standard detected by TVP5146/47. If no active input is
539 * detected then *std_id is set to 0 and the function returns 0.
540 */
541 static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
542 {
543 struct tvp514x_decoder *decoder = to_decoder(sd);
544 enum tvp514x_std current_std;
545 enum tvp514x_input input_sel;
546 u8 sync_lock_status, lock_mask;
547
548 if (std_id == NULL)
549 return -EINVAL;
550
551 /* To query the standard the TVP514x must power on the ADCs. */
552 if (!decoder->streaming) {
553 tvp514x_s_stream(sd, 1);
554 msleep(LOCK_RETRY_DELAY);
555 }
556
557 /* query the current standard */
558 current_std = tvp514x_query_current_std(sd);
559 if (current_std == STD_INVALID) {
560 *std_id = V4L2_STD_UNKNOWN;
561 return 0;
562 }
563
564 input_sel = decoder->input;
565
566 switch (input_sel) {
567 case INPUT_CVBS_VI1A:
568 case INPUT_CVBS_VI1B:
569 case INPUT_CVBS_VI1C:
570 case INPUT_CVBS_VI2A:
571 case INPUT_CVBS_VI2B:
572 case INPUT_CVBS_VI2C:
573 case INPUT_CVBS_VI3A:
574 case INPUT_CVBS_VI3B:
575 case INPUT_CVBS_VI3C:
576 case INPUT_CVBS_VI4A:
577 lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
578 STATUS_HORZ_SYNC_LOCK_BIT |
579 STATUS_VIRT_SYNC_LOCK_BIT;
580 break;
581
582 case INPUT_SVIDEO_VI2A_VI1A:
583 case INPUT_SVIDEO_VI2B_VI1B:
584 case INPUT_SVIDEO_VI2C_VI1C:
585 case INPUT_SVIDEO_VI2A_VI3A:
586 case INPUT_SVIDEO_VI2B_VI3B:
587 case INPUT_SVIDEO_VI2C_VI3C:
588 case INPUT_SVIDEO_VI4A_VI1A:
589 case INPUT_SVIDEO_VI4A_VI1B:
590 case INPUT_SVIDEO_VI4A_VI1C:
591 case INPUT_SVIDEO_VI4A_VI3A:
592 case INPUT_SVIDEO_VI4A_VI3B:
593 case INPUT_SVIDEO_VI4A_VI3C:
594 lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
595 STATUS_VIRT_SYNC_LOCK_BIT;
596 break;
597 /*Need to add other interfaces*/
598 default:
599 return -EINVAL;
600 }
601 /* check whether signal is locked */
602 sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1);
603 if (lock_mask != (sync_lock_status & lock_mask)) {
604 *std_id = V4L2_STD_UNKNOWN;
605 return 0; /* No input detected */
606 }
607
608 *std_id &= decoder->std_list[current_std].standard.id;
609
610 v4l2_dbg(1, debug, sd, "Current STD: %s\n",
611 decoder->std_list[current_std].standard.name);
612 return 0;
613 }
614
615 /**
616 * tvp514x_s_std() - V4L2 decoder interface handler for s_std
617 * @sd: pointer to standard V4L2 sub-device structure
618 * @std_id: standard V4L2 v4l2_std_id ioctl enum
619 *
620 * If std_id is supported, sets the requested standard. Otherwise, returns
621 * -EINVAL
622 */
623 static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
624 {
625 struct tvp514x_decoder *decoder = to_decoder(sd);
626 int err, i;
627
628 for (i = 0; i < decoder->num_stds; i++)
629 if (std_id & decoder->std_list[i].standard.id)
630 break;
631
632 if ((i == decoder->num_stds) || (i == STD_INVALID))
633 return -EINVAL;
634
635 err = tvp514x_write_reg(sd, REG_VIDEO_STD,
636 decoder->std_list[i].video_std);
637 if (err)
638 return err;
639
640 decoder->current_std = i;
641 decoder->tvp514x_regs[REG_VIDEO_STD].val =
642 decoder->std_list[i].video_std;
643
644 v4l2_dbg(1, debug, sd, "Standard set to: %s\n",
645 decoder->std_list[i].standard.name);
646 return 0;
647 }
648
649 /**
650 * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
651 * @sd: pointer to standard V4L2 sub-device structure
652 * @input: input selector for routing the signal
653 * @output: output selector for routing the signal
654 * @config: config value. Not used
655 *
656 * If index is valid, selects the requested input. Otherwise, returns -EINVAL if
657 * the input is not supported or there is no active signal present in the
658 * selected input.
659 */
660 static int tvp514x_s_routing(struct v4l2_subdev *sd,
661 u32 input, u32 output, u32 config)
662 {
663 struct tvp514x_decoder *decoder = to_decoder(sd);
664 int err;
665 enum tvp514x_input input_sel;
666 enum tvp514x_output output_sel;
667
668 if ((input >= INPUT_INVALID) ||
669 (output >= OUTPUT_INVALID))
670 /* Index out of bound */
671 return -EINVAL;
672
673 input_sel = input;
674 output_sel = output;
675
676 err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel);
677 if (err)
678 return err;
679
680 output_sel |= tvp514x_read_reg(sd,
681 REG_OUTPUT_FORMATTER1) & 0x7;
682 err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1,
683 output_sel);
684 if (err)
685 return err;
686
687 decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;
688 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;
689 decoder->input = input;
690 decoder->output = output;
691
692 v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel);
693
694 return 0;
695 }
696
697 /**
698 * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
699 * @ctrl: pointer to v4l2_ctrl structure
700 *
701 * If the requested control is supported, sets the control's current
702 * value in HW. Otherwise, returns -EINVAL if the control is not supported.
703 */
704 static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl)
705 {
706 struct v4l2_subdev *sd = to_sd(ctrl);
707 struct tvp514x_decoder *decoder = to_decoder(sd);
708 int err = -EINVAL, value;
709
710 value = ctrl->val;
711
712 switch (ctrl->id) {
713 case V4L2_CID_BRIGHTNESS:
714 err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value);
715 if (!err)
716 decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;
717 break;
718 case V4L2_CID_CONTRAST:
719 err = tvp514x_write_reg(sd, REG_CONTRAST, value);
720 if (!err)
721 decoder->tvp514x_regs[REG_CONTRAST].val = value;
722 break;
723 case V4L2_CID_SATURATION:
724 err = tvp514x_write_reg(sd, REG_SATURATION, value);
725 if (!err)
726 decoder->tvp514x_regs[REG_SATURATION].val = value;
727 break;
728 case V4L2_CID_HUE:
729 if (value == 180)
730 value = 0x7F;
731 else if (value == -180)
732 value = 0x80;
733 err = tvp514x_write_reg(sd, REG_HUE, value);
734 if (!err)
735 decoder->tvp514x_regs[REG_HUE].val = value;
736 break;
737 case V4L2_CID_AUTOGAIN:
738 err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c);
739 if (!err)
740 decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;
741 break;
742 }
743
744 v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n",
745 ctrl->id, ctrl->val);
746 return err;
747 }
748
749 /**
750 * tvp514x_enum_mbus_fmt() - V4L2 decoder interface handler for enum_mbus_fmt
751 * @sd: pointer to standard V4L2 sub-device structure
752 * @index: index of pixelcode to retrieve
753 * @code: receives the pixelcode
754 *
755 * Enumerates supported mediabus formats
756 */
757 static int
758 tvp514x_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
759 enum v4l2_mbus_pixelcode *code)
760 {
761 if (index)
762 return -EINVAL;
763
764 *code = V4L2_MBUS_FMT_YUYV10_2X10;
765 return 0;
766 }
767
768 /**
769 * tvp514x_mbus_fmt() - V4L2 decoder interface handler for try/s/g_mbus_fmt
770 * @sd: pointer to standard V4L2 sub-device structure
771 * @f: pointer to the mediabus format structure
772 *
773 * Negotiates the image capture size and mediabus format.
774 */
775 static int
776 tvp514x_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f)
777 {
778 struct tvp514x_decoder *decoder = to_decoder(sd);
779 enum tvp514x_std current_std;
780
781 if (f == NULL)
782 return -EINVAL;
783
784 /* Calculate height and width based on current standard */
785 current_std = decoder->current_std;
786
787 f->code = V4L2_MBUS_FMT_YUYV8_2X8;
788 f->width = decoder->std_list[current_std].width;
789 f->height = decoder->std_list[current_std].height;
790 f->field = V4L2_FIELD_INTERLACED;
791 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
792 v4l2_dbg(1, debug, sd, "MBUS_FMT: Width - %d, Height - %d\n",
793 f->width, f->height);
794 return 0;
795 }
796
797 /**
798 * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm
799 * @sd: pointer to standard V4L2 sub-device structure
800 * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure
801 *
802 * Returns the decoder's video CAPTURE parameters.
803 */
804 static int
805 tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
806 {
807 struct tvp514x_decoder *decoder = to_decoder(sd);
808 struct v4l2_captureparm *cparm;
809 enum tvp514x_std current_std;
810
811 if (a == NULL)
812 return -EINVAL;
813
814 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
815 /* only capture is supported */
816 return -EINVAL;
817
818 /* get the current standard */
819 current_std = decoder->current_std;
820
821 cparm = &a->parm.capture;
822 cparm->capability = V4L2_CAP_TIMEPERFRAME;
823 cparm->timeperframe =
824 decoder->std_list[current_std].standard.frameperiod;
825
826 return 0;
827 }
828
829 /**
830 * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm
831 * @sd: pointer to standard V4L2 sub-device structure
832 * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure
833 *
834 * Configures the decoder to use the input parameters, if possible. If
835 * not possible, returns the appropriate error code.
836 */
837 static int
838 tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a)
839 {
840 struct tvp514x_decoder *decoder = to_decoder(sd);
841 struct v4l2_fract *timeperframe;
842 enum tvp514x_std current_std;
843
844 if (a == NULL)
845 return -EINVAL;
846
847 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
848 /* only capture is supported */
849 return -EINVAL;
850
851 timeperframe = &a->parm.capture.timeperframe;
852
853 /* get the current standard */
854 current_std = decoder->current_std;
855
856 *timeperframe =
857 decoder->std_list[current_std].standard.frameperiod;
858
859 return 0;
860 }
861
862 /**
863 * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
864 * @sd: pointer to standard V4L2 sub-device structure
865 * @enable: streaming enable or disable
866 *
867 * Sets streaming to enable or disable, if possible.
868 */
869 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable)
870 {
871 int err = 0;
872 struct tvp514x_decoder *decoder = to_decoder(sd);
873
874 if (decoder->streaming == enable)
875 return 0;
876
877 switch (enable) {
878 case 0:
879 {
880 /* Power Down Sequence */
881 err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01);
882 if (err) {
883 v4l2_err(sd, "Unable to turn off decoder\n");
884 return err;
885 }
886 decoder->streaming = enable;
887 break;
888 }
889 case 1:
890 {
891 /* Power Up Sequence */
892 err = tvp514x_write_regs(sd, decoder->int_seq);
893 if (err) {
894 v4l2_err(sd, "Unable to turn on decoder\n");
895 return err;
896 }
897 /* Detect if not already detected */
898 err = tvp514x_detect(sd, decoder);
899 if (err) {
900 v4l2_err(sd, "Unable to detect decoder\n");
901 return err;
902 }
903 err = tvp514x_configure(sd, decoder);
904 if (err) {
905 v4l2_err(sd, "Unable to configure decoder\n");
906 return err;
907 }
908 decoder->streaming = enable;
909 break;
910 }
911 default:
912 err = -ENODEV;
913 break;
914 }
915
916 return err;
917 }
918
919 static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = {
920 .s_ctrl = tvp514x_s_ctrl,
921 };
922
923 /**
924 * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code
925 * @sd: pointer to standard V4L2 sub-device structure
926 * @fh: file handle
927 * @code: pointer to v4l2_subdev_mbus_code_enum structure
928 *
929 * Enumertaes mbus codes supported
930 */
931 static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd,
932 struct v4l2_subdev_fh *fh,
933 struct v4l2_subdev_mbus_code_enum *code)
934 {
935 u32 pad = code->pad;
936 u32 index = code->index;
937
938 memset(code, 0, sizeof(*code));
939 code->index = index;
940 code->pad = pad;
941
942 if (index != 0)
943 return -EINVAL;
944
945 code->code = V4L2_MBUS_FMT_YUYV8_2X8;
946
947 return 0;
948 }
949
950 /**
951 * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format
952 * @sd: pointer to standard V4L2 sub-device structure
953 * @fh: file handle
954 * @format: pointer to v4l2_subdev_format structure
955 *
956 * Retrieves pad format which is active or tried based on requirement
957 */
958 static int tvp514x_get_pad_format(struct v4l2_subdev *sd,
959 struct v4l2_subdev_fh *fh,
960 struct v4l2_subdev_format *format)
961 {
962 struct tvp514x_decoder *decoder = to_decoder(sd);
963 __u32 which = format->which;
964
965 if (which == V4L2_SUBDEV_FORMAT_ACTIVE) {
966 format->format = decoder->format;
967 return 0;
968 }
969
970 format->format.code = V4L2_MBUS_FMT_YUYV8_2X8;
971 format->format.width = tvp514x_std_list[decoder->current_std].width;
972 format->format.height = tvp514x_std_list[decoder->current_std].height;
973 format->format.colorspace = V4L2_COLORSPACE_SMPTE170M;
974 format->format.field = V4L2_FIELD_INTERLACED;
975
976 return 0;
977 }
978
979 /**
980 * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format
981 * @sd: pointer to standard V4L2 sub-device structure
982 * @fh: file handle
983 * @format: pointer to v4l2_subdev_format structure
984 *
985 * Set pad format for the output pad
986 */
987 static int tvp514x_set_pad_format(struct v4l2_subdev *sd,
988 struct v4l2_subdev_fh *fh,
989 struct v4l2_subdev_format *fmt)
990 {
991 struct tvp514x_decoder *decoder = to_decoder(sd);
992
993 if (fmt->format.field != V4L2_FIELD_INTERLACED ||
994 fmt->format.code != V4L2_MBUS_FMT_YUYV8_2X8 ||
995 fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M ||
996 fmt->format.width != tvp514x_std_list[decoder->current_std].width ||
997 fmt->format.height != tvp514x_std_list[decoder->current_std].height)
998 return -EINVAL;
999
1000 decoder->format = fmt->format;
1001
1002 return 0;
1003 }
1004
1005 static const struct v4l2_subdev_core_ops tvp514x_core_ops = {
1006 .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
1007 .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
1008 .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
1009 .g_ctrl = v4l2_subdev_g_ctrl,
1010 .s_ctrl = v4l2_subdev_s_ctrl,
1011 .queryctrl = v4l2_subdev_queryctrl,
1012 .querymenu = v4l2_subdev_querymenu,
1013 .s_std = tvp514x_s_std,
1014 };
1015
1016 static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
1017 .s_routing = tvp514x_s_routing,
1018 .querystd = tvp514x_querystd,
1019 .enum_mbus_fmt = tvp514x_enum_mbus_fmt,
1020 .g_mbus_fmt = tvp514x_mbus_fmt,
1021 .try_mbus_fmt = tvp514x_mbus_fmt,
1022 .s_mbus_fmt = tvp514x_mbus_fmt,
1023 .g_parm = tvp514x_g_parm,
1024 .s_parm = tvp514x_s_parm,
1025 .s_stream = tvp514x_s_stream,
1026 };
1027
1028 static const struct v4l2_subdev_pad_ops tvp514x_pad_ops = {
1029 .enum_mbus_code = tvp514x_enum_mbus_code,
1030 .get_fmt = tvp514x_get_pad_format,
1031 .set_fmt = tvp514x_set_pad_format,
1032 };
1033
1034 static const struct v4l2_subdev_ops tvp514x_ops = {
1035 .core = &tvp514x_core_ops,
1036 .video = &tvp514x_video_ops,
1037 .pad = &tvp514x_pad_ops,
1038 };
1039
1040 static struct tvp514x_decoder tvp514x_dev = {
1041 .streaming = 0,
1042 .fmt_list = tvp514x_fmt_list,
1043 .num_fmts = ARRAY_SIZE(tvp514x_fmt_list),
1044 .pix = {
1045 /* Default to NTSC 8-bit YUV 422 */
1046 .width = NTSC_NUM_ACTIVE_PIXELS,
1047 .height = NTSC_NUM_ACTIVE_LINES,
1048 .pixelformat = V4L2_PIX_FMT_UYVY,
1049 .field = V4L2_FIELD_INTERLACED,
1050 .bytesperline = NTSC_NUM_ACTIVE_PIXELS * 2,
1051 .sizeimage = NTSC_NUM_ACTIVE_PIXELS * 2 *
1052 NTSC_NUM_ACTIVE_LINES,
1053 .colorspace = V4L2_COLORSPACE_SMPTE170M,
1054 },
1055 .current_std = STD_NTSC_MJ,
1056 .std_list = tvp514x_std_list,
1057 .num_stds = ARRAY_SIZE(tvp514x_std_list),
1058
1059 };
1060
1061 static struct tvp514x_platform_data *
1062 tvp514x_get_pdata(struct i2c_client *client)
1063 {
1064 struct tvp514x_platform_data *pdata;
1065 struct v4l2_of_endpoint bus_cfg;
1066 struct device_node *endpoint;
1067 unsigned int flags;
1068
1069 if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
1070 return client->dev.platform_data;
1071
1072 endpoint = of_graph_get_next_endpoint(client->dev.of_node, NULL);
1073 if (!endpoint)
1074 return NULL;
1075
1076 pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
1077 if (!pdata)
1078 goto done;
1079
1080 v4l2_of_parse_endpoint(endpoint, &bus_cfg);
1081 flags = bus_cfg.bus.parallel.flags;
1082
1083 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
1084 pdata->hs_polarity = 1;
1085
1086 if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH)
1087 pdata->vs_polarity = 1;
1088
1089 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
1090 pdata->clk_polarity = 1;
1091
1092 done:
1093 of_node_put(endpoint);
1094 return pdata;
1095 }
1096
1097 /**
1098 * tvp514x_probe() - decoder driver i2c probe handler
1099 * @client: i2c driver client device structure
1100 * @id: i2c driver id table
1101 *
1102 * Register decoder as an i2c client device and V4L2
1103 * device.
1104 */
1105 static int
1106 tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
1107 {
1108 struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client);
1109 struct tvp514x_decoder *decoder;
1110 struct v4l2_subdev *sd;
1111 int ret;
1112
1113 if (pdata == NULL) {
1114 dev_err(&client->dev, "No platform data\n");
1115 return -EINVAL;
1116 }
1117
1118 /* Check if the adapter supports the needed features */
1119 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1120 return -EIO;
1121
1122 decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
1123 if (!decoder)
1124 return -ENOMEM;
1125
1126 /* Initialize the tvp514x_decoder with default configuration */
1127 *decoder = tvp514x_dev;
1128 /* Copy default register configuration */
1129 memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
1130 sizeof(tvp514x_reg_list_default));
1131
1132 decoder->int_seq = (struct tvp514x_reg *)id->driver_data;
1133
1134 /* Copy board specific information here */
1135 decoder->pdata = pdata;
1136
1137 /**
1138 * Fetch platform specific data, and configure the
1139 * tvp514x_reg_list[] accordingly. Since this is one
1140 * time configuration, no need to preserve.
1141 */
1142 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=
1143 (decoder->pdata->clk_polarity << 1);
1144 decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=
1145 ((decoder->pdata->hs_polarity << 2) |
1146 (decoder->pdata->vs_polarity << 3));
1147 /* Set default standard to auto */
1148 decoder->tvp514x_regs[REG_VIDEO_STD].val =
1149 VIDEO_STD_AUTO_SWITCH_BIT;
1150
1151 /* Register with V4L2 layer as slave device */
1152 sd = &decoder->sd;
1153 v4l2_i2c_subdev_init(sd, client, &tvp514x_ops);
1154
1155 #if defined(CONFIG_MEDIA_CONTROLLER)
1156 decoder->pad.flags = MEDIA_PAD_FL_SOURCE;
1157 decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1158 decoder->sd.entity.flags |= MEDIA_ENT_T_V4L2_SUBDEV_DECODER;
1159
1160 ret = media_entity_init(&decoder->sd.entity, 1, &decoder->pad, 0);
1161 if (ret < 0) {
1162 v4l2_err(sd, "%s decoder driver failed to register !!\n",
1163 sd->name);
1164 return ret;
1165 }
1166 #endif
1167 v4l2_ctrl_handler_init(&decoder->hdl, 5);
1168 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1169 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1170 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1171 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1172 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1173 V4L2_CID_SATURATION, 0, 255, 1, 128);
1174 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1175 V4L2_CID_HUE, -180, 180, 180, 0);
1176 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1177 V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1178 sd->ctrl_handler = &decoder->hdl;
1179 if (decoder->hdl.error) {
1180 ret = decoder->hdl.error;
1181 goto done;
1182 }
1183 v4l2_ctrl_handler_setup(&decoder->hdl);
1184
1185 ret = v4l2_async_register_subdev(&decoder->sd);
1186 if (!ret)
1187 v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);
1188
1189 done:
1190 if (ret < 0) {
1191 v4l2_ctrl_handler_free(&decoder->hdl);
1192 #if defined(CONFIG_MEDIA_CONTROLLER)
1193 media_entity_cleanup(&decoder->sd.entity);
1194 #endif
1195 }
1196 return ret;
1197 }
1198
1199 /**
1200 * tvp514x_remove() - decoder driver i2c remove handler
1201 * @client: i2c driver client device structure
1202 *
1203 * Unregister decoder as an i2c client device and V4L2
1204 * device. Complement of tvp514x_probe().
1205 */
1206 static int tvp514x_remove(struct i2c_client *client)
1207 {
1208 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1209 struct tvp514x_decoder *decoder = to_decoder(sd);
1210
1211 v4l2_async_unregister_subdev(&decoder->sd);
1212 v4l2_device_unregister_subdev(sd);
1213 #if defined(CONFIG_MEDIA_CONTROLLER)
1214 media_entity_cleanup(&decoder->sd.entity);
1215 #endif
1216 v4l2_ctrl_handler_free(&decoder->hdl);
1217 return 0;
1218 }
1219 /* TVP5146 Init/Power on Sequence */
1220 static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
1221 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1222 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1223 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1224 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1225 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1226 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1227 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1228 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1229 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1230 {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1231 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1232 {TOK_TERM, 0, 0},
1233 };
1234
1235 /* TVP5147 Init/Power on Sequence */
1236 static const struct tvp514x_reg tvp5147_init_reg_seq[] = {
1237 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1238 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1239 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1240 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1241 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1242 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1243 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1244 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1245 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16},
1246 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1247 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0},
1248 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16},
1249 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1250 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1251 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1252 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1253 {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1254 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1255 {TOK_TERM, 0, 0},
1256 };
1257
1258 /* TVP5146M2/TVP5147M1 Init/Power on Sequence */
1259 static const struct tvp514x_reg tvp514xm_init_reg_seq[] = {
1260 {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1261 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1262 {TOK_TERM, 0, 0},
1263 };
1264
1265 /**
1266 * I2C Device Table -
1267 *
1268 * name - Name of the actual device/chip.
1269 * driver_data - Driver data
1270 */
1271 static const struct i2c_device_id tvp514x_id[] = {
1272 {"tvp5146", (unsigned long)tvp5146_init_reg_seq},
1273 {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq},
1274 {"tvp5147", (unsigned long)tvp5147_init_reg_seq},
1275 {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq},
1276 {},
1277 };
1278
1279 MODULE_DEVICE_TABLE(i2c, tvp514x_id);
1280
1281 #if IS_ENABLED(CONFIG_OF)
1282 static const struct of_device_id tvp514x_of_match[] = {
1283 { .compatible = "ti,tvp5146", },
1284 { .compatible = "ti,tvp5146m2", },
1285 { .compatible = "ti,tvp5147", },
1286 { .compatible = "ti,tvp5147m1", },
1287 { /* sentinel */ },
1288 };
1289 MODULE_DEVICE_TABLE(of, tvp514x_of_match);
1290 #endif
1291
1292 static struct i2c_driver tvp514x_driver = {
1293 .driver = {
1294 .of_match_table = of_match_ptr(tvp514x_of_match),
1295 .owner = THIS_MODULE,
1296 .name = TVP514X_MODULE_NAME,
1297 },
1298 .probe = tvp514x_probe,
1299 .remove = tvp514x_remove,
1300 .id_table = tvp514x_id,
1301 };
1302
1303 module_i2c_driver(tvp514x_driver);
Linux with added FPC-III support