1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * drivers/media/i2c/tvp514x.c
4 *
5 * TI TVP5146/47 decoder driver
6 *
7 * Copyright (C) 2008 Texas Instruments Inc
8 * Author: Vaibhav Hiremath <hvaibhav@ti.com>
9 *
10 * Contributors:
11 * Sivaraj R <sivaraj@ti.com>
12 * Brijesh R Jadav <brijesh.j@ti.com>
13 * Hardik Shah <hardik.shah@ti.com>
14 * Manjunath Hadli <mrh@ti.com>
15 * Karicheri Muralidharan <m-karicheri2@ti.com>
16 * Prabhakar Lad <prabhakar.lad@ti.com>
17 */
18
19 #include <linux/i2c.h>
20 #include <linux/slab.h>
21 #include <linux/delay.h>
22 #include <linux/videodev2.h>
23 #include <linux/module.h>
24 #include <linux/v4l2-mediabus.h>
25 #include <linux/of.h>
26 #include <linux/of_graph.h>
27
28 #include <media/v4l2-async.h>
29 #include <media/v4l2-device.h>
30 #include <media/v4l2-common.h>
31 #include <media/v4l2-mediabus.h>
32 #include <media/v4l2-fwnode.h>
33 #include <media/v4l2-ctrls.h>
34 #include <media/i2c/tvp514x.h>
35 #include <media/media-entity.h>
36
37 #include "tvp514x_regs.h"
38
39 /* Private macros for TVP */
40 #define I2C_RETRY_COUNT (5)
41 #define LOCK_RETRY_COUNT (5)
42 #define LOCK_RETRY_DELAY (200)
43
44 /* Debug functions */
45 static bool debug;
46 module_param(debug, bool, 0644);
47 MODULE_PARM_DESC(debug, "Debug level (0-1)");
48
49 MODULE_AUTHOR("Texas Instruments");
50 MODULE_DESCRIPTION("TVP514X linux decoder driver");
51 MODULE_LICENSE("GPL");
52
53 /* enum tvp514x_std - enum for supported standards */
54 enum tvp514x_std {
55 STD_NTSC_MJ = 0,
56 STD_PAL_BDGHIN,
57 STD_INVALID
58 };
59
60 /**
61 * struct tvp514x_std_info - Structure to store standard information
62 * @width: Line width in pixels
63 * @height:Number of active lines
64 * @video_std: Value to write in REG_VIDEO_STD register
65 * @standard: v4l2 standard structure information
66 */
67 struct tvp514x_std_info {
68 unsigned long width;
69 unsigned long height;
70 u8 video_std;
71 struct v4l2_standard standard;
72 };
73
74 static struct tvp514x_reg tvp514x_reg_list_default[0x40];
75
76 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable);
77 /**
78 * struct tvp514x_decoder - TVP5146/47 decoder object
79 * @sd: Subdevice Slave handle
80 * @hdl: embedded &struct v4l2_ctrl_handler
81 * @tvp514x_regs: copy of hw's regs with preset values.
82 * @pdata: Board specific
83 * @ver: Chip version
84 * @streaming: TVP5146/47 decoder streaming - enabled or disabled.
85 * @pix: Current pixel format
86 * @num_fmts: Number of formats
87 * @fmt_list: Format list
88 * @current_std: Current standard
89 * @num_stds: Number of standards
90 * @std_list: Standards list
91 * @input: Input routing at chip level
92 * @output: Output routing at chip level
93 * @pad: subdev media pad associated with the decoder
94 * @format: media bus frame format
95 * @int_seq: driver's register init sequence
96 */
97 struct tvp514x_decoder {
98 struct v4l2_subdev sd;
99 struct v4l2_ctrl_handler hdl;
100 struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)];
101 const struct tvp514x_platform_data *pdata;
102
103 int ver;
104 int streaming;
105
106 struct v4l2_pix_format pix;
107 int num_fmts;
108 const struct v4l2_fmtdesc *fmt_list;
109
110 enum tvp514x_std current_std;
111 int num_stds;
112 const struct tvp514x_std_info *std_list;
113 /* Input and Output Routing parameters */
114 u32 input;
115 u32 output;
116
117 /* mc related members */
118 struct media_pad pad;
119 struct v4l2_mbus_framefmt format;
120
121 struct tvp514x_reg *int_seq;
122 };
123
124 /* TVP514x default register values */
125 static struct tvp514x_reg tvp514x_reg_list_default[] = {
126 /* Composite selected */
127 {TOK_WRITE, REG_INPUT_SEL, 0x05},
128 {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F},
129 /* Auto mode */
130 {TOK_WRITE, REG_VIDEO_STD, 0x00},
131 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
132 {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F},
133 {TOK_WRITE, REG_COLOR_KILLER, 0x10},
134 {TOK_WRITE, REG_LUMA_CONTROL1, 0x00},
135 {TOK_WRITE, REG_LUMA_CONTROL2, 0x00},
136 {TOK_WRITE, REG_LUMA_CONTROL3, 0x02},
137 {TOK_WRITE, REG_BRIGHTNESS, 0x80},
138 {TOK_WRITE, REG_CONTRAST, 0x80},
139 {TOK_WRITE, REG_SATURATION, 0x80},
140 {TOK_WRITE, REG_HUE, 0x00},
141 {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00},
142 {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E},
143 /* Reserved */
144 {TOK_SKIP, 0x0F, 0x00},
145 {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80},
146 {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80},
147 {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80},
148 /* Reserved */
149 {TOK_SKIP, 0x13, 0x00},
150 {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80},
151 /* Reserved */
152 {TOK_SKIP, 0x15, 0x00},
153 /* NTSC timing */
154 {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55},
155 {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00},
156 {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25},
157 {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03},
158 /* NTSC timing */
159 {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00},
160 {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00},
161 {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40},
162 {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00},
163 /* NTSC timing */
164 {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04},
165 {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00},
166 {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07},
167 {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00},
168 /* NTSC timing */
169 {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01},
170 {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00},
171 {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15},
172 {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00},
173 /* Reserved */
174 {TOK_SKIP, 0x26, 0x00},
175 /* Reserved */
176 {TOK_SKIP, 0x27, 0x00},
177 {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC},
178 /* Reserved */
179 {TOK_SKIP, 0x29, 0x00},
180 {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00},
181 /* Reserved */
182 {TOK_SKIP, 0x2B, 0x00},
183 {TOK_SKIP, REG_SCART_DELAY, 0x00},
184 {TOK_SKIP, REG_CTI_DELAY, 0x00},
185 {TOK_SKIP, REG_CTI_CONTROL, 0x00},
186 /* Reserved */
187 {TOK_SKIP, 0x2F, 0x00},
188 /* Reserved */
189 {TOK_SKIP, 0x30, 0x00},
190 /* Reserved */
191 {TOK_SKIP, 0x31, 0x00},
192 /* HS, VS active high */
193 {TOK_WRITE, REG_SYNC_CONTROL, 0x00},
194 /* 10-bit BT.656 */
195 {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00},
196 /* Enable clk & data */
197 {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11},
198 /* Enable AVID & FLD */
199 {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE},
200 /* Enable VS & HS */
201 {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF},
202 {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF},
203 {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF},
204 /* Clear status */
205 {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01},
206 {TOK_TERM, 0, 0},
207 };
208
209 /*
210 * List of image formats supported by TVP5146/47 decoder
211 * Currently we are using 8 bit mode only, but can be
212 * extended to 10/20 bit mode.
213 */
214 static const struct v4l2_fmtdesc tvp514x_fmt_list[] = {
215 {
216 .index = 0,
217 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
218 .flags = 0,
219 .description = "8-bit UYVY 4:2:2 Format",
220 .pixelformat = V4L2_PIX_FMT_UYVY,
221 },
222 };
223
224 /*
225 * Supported standards -
226 *
227 * Currently supports two standards only, need to add support for rest of the
228 * modes, like SECAM, etc...
229 */
230 static const struct tvp514x_std_info tvp514x_std_list[] = {
231 /* Standard: STD_NTSC_MJ */
232 [STD_NTSC_MJ] = {
233 .width = NTSC_NUM_ACTIVE_PIXELS,
234 .height = NTSC_NUM_ACTIVE_LINES,
235 .video_std = VIDEO_STD_NTSC_MJ_BIT,
236 .standard = {
237 .index = 0,
238 .id = V4L2_STD_NTSC,
239 .name = "NTSC",
240 .frameperiod = {1001, 30000},
241 .framelines = 525
242 },
243 /* Standard: STD_PAL_BDGHIN */
244 },
245 [STD_PAL_BDGHIN] = {
246 .width = PAL_NUM_ACTIVE_PIXELS,
247 .height = PAL_NUM_ACTIVE_LINES,
248 .video_std = VIDEO_STD_PAL_BDGHIN_BIT,
249 .standard = {
250 .index = 1,
251 .id = V4L2_STD_PAL,
252 .name = "PAL",
253 .frameperiod = {1, 25},
254 .framelines = 625
255 },
256 },
257 /* Standard: need to add for additional standard */
258 };
259
260
to_decoder(struct v4l2_subdev * sd)261 static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd)
262 {
263 return container_of(sd, struct tvp514x_decoder, sd);
264 }
265
to_sd(struct v4l2_ctrl * ctrl)266 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
267 {
268 return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd;
269 }
270
271
272 /**
273 * tvp514x_read_reg() - Read a value from a register in an TVP5146/47.
274 * @sd: ptr to v4l2_subdev struct
275 * @reg: TVP5146/47 register address
276 *
277 * Returns value read if successful, or non-zero (-1) otherwise.
278 */
tvp514x_read_reg(struct v4l2_subdev * sd,u8 reg)279 static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg)
280 {
281 int err, retry = 0;
282 struct i2c_client *client = v4l2_get_subdevdata(sd);
283
284 read_again:
285
286 err = i2c_smbus_read_byte_data(client, reg);
287 if (err < 0) {
288 if (retry <= I2C_RETRY_COUNT) {
289 v4l2_warn(sd, "Read: retry ... %d\n", retry);
290 retry++;
291 msleep_interruptible(10);
292 goto read_again;
293 }
294 }
295
296 return err;
297 }
298
299 /**
300 * dump_reg() - dump the register content of TVP5146/47.
301 * @sd: ptr to v4l2_subdev struct
302 * @reg: TVP5146/47 register address
303 */
dump_reg(struct v4l2_subdev * sd,u8 reg)304 static void dump_reg(struct v4l2_subdev *sd, u8 reg)
305 {
306 u32 val;
307
308 val = tvp514x_read_reg(sd, reg);
309 v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val);
310 }
311
312 /**
313 * tvp514x_write_reg() - Write a value to a register in TVP5146/47
314 * @sd: ptr to v4l2_subdev struct
315 * @reg: TVP5146/47 register address
316 * @val: value to be written to the register
317 *
318 * Write a value to a register in an TVP5146/47 decoder device.
319 * Returns zero if successful, or non-zero otherwise.
320 */
tvp514x_write_reg(struct v4l2_subdev * sd,u8 reg,u8 val)321 static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val)
322 {
323 int err, retry = 0;
324 struct i2c_client *client = v4l2_get_subdevdata(sd);
325
326 write_again:
327
328 err = i2c_smbus_write_byte_data(client, reg, val);
329 if (err) {
330 if (retry <= I2C_RETRY_COUNT) {
331 v4l2_warn(sd, "Write: retry ... %d\n", retry);
332 retry++;
333 msleep_interruptible(10);
334 goto write_again;
335 }
336 }
337
338 return err;
339 }
340
341 /**
342 * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers
343 * @sd: ptr to v4l2_subdev struct
344 * @reglist: list of TVP5146/47 registers and values
345 *
346 * Initializes a list of TVP5146/47 registers:-
347 * if token is TOK_TERM, then entire write operation terminates
348 * if token is TOK_DELAY, then a delay of 'val' msec is introduced
349 * if token is TOK_SKIP, then the register write is skipped
350 * if token is TOK_WRITE, then the register write is performed
351 * Returns zero if successful, or non-zero otherwise.
352 */
tvp514x_write_regs(struct v4l2_subdev * sd,const struct tvp514x_reg reglist[])353 static int tvp514x_write_regs(struct v4l2_subdev *sd,
354 const struct tvp514x_reg reglist[])
355 {
356 int err;
357 const struct tvp514x_reg *next = reglist;
358
359 for (; next->token != TOK_TERM; next++) {
360 if (next->token == TOK_DELAY) {
361 msleep(next->val);
362 continue;
363 }
364
365 if (next->token == TOK_SKIP)
366 continue;
367
368 err = tvp514x_write_reg(sd, next->reg, (u8) next->val);
369 if (err) {
370 v4l2_err(sd, "Write failed. Err[%d]\n", err);
371 return err;
372 }
373 }
374 return 0;
375 }
376
377 /**
378 * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47
379 * @sd: ptr to v4l2_subdev struct
380 *
381 * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no
382 * standard detected.
383 */
tvp514x_query_current_std(struct v4l2_subdev * sd)384 static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd)
385 {
386 u8 std, std_status;
387
388 std = tvp514x_read_reg(sd, REG_VIDEO_STD);
389 if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT)
390 /* use the standard status register */
391 std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS);
392 else
393 /* use the standard register itself */
394 std_status = std;
395
396 switch (std_status & VIDEO_STD_MASK) {
397 case VIDEO_STD_NTSC_MJ_BIT:
398 return STD_NTSC_MJ;
399
400 case VIDEO_STD_PAL_BDGHIN_BIT:
401 return STD_PAL_BDGHIN;
402
403 default:
404 return STD_INVALID;
405 }
406
407 return STD_INVALID;
408 }
409
410 /* TVP5146/47 register dump function */
tvp514x_reg_dump(struct v4l2_subdev * sd)411 static void tvp514x_reg_dump(struct v4l2_subdev *sd)
412 {
413 dump_reg(sd, REG_INPUT_SEL);
414 dump_reg(sd, REG_AFE_GAIN_CTRL);
415 dump_reg(sd, REG_VIDEO_STD);
416 dump_reg(sd, REG_OPERATION_MODE);
417 dump_reg(sd, REG_COLOR_KILLER);
418 dump_reg(sd, REG_LUMA_CONTROL1);
419 dump_reg(sd, REG_LUMA_CONTROL2);
420 dump_reg(sd, REG_LUMA_CONTROL3);
421 dump_reg(sd, REG_BRIGHTNESS);
422 dump_reg(sd, REG_CONTRAST);
423 dump_reg(sd, REG_SATURATION);
424 dump_reg(sd, REG_HUE);
425 dump_reg(sd, REG_CHROMA_CONTROL1);
426 dump_reg(sd, REG_CHROMA_CONTROL2);
427 dump_reg(sd, REG_COMP_PR_SATURATION);
428 dump_reg(sd, REG_COMP_Y_CONTRAST);
429 dump_reg(sd, REG_COMP_PB_SATURATION);
430 dump_reg(sd, REG_COMP_Y_BRIGHTNESS);
431 dump_reg(sd, REG_AVID_START_PIXEL_LSB);
432 dump_reg(sd, REG_AVID_START_PIXEL_MSB);
433 dump_reg(sd, REG_AVID_STOP_PIXEL_LSB);
434 dump_reg(sd, REG_AVID_STOP_PIXEL_MSB);
435 dump_reg(sd, REG_HSYNC_START_PIXEL_LSB);
436 dump_reg(sd, REG_HSYNC_START_PIXEL_MSB);
437 dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB);
438 dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB);
439 dump_reg(sd, REG_VSYNC_START_LINE_LSB);
440 dump_reg(sd, REG_VSYNC_START_LINE_MSB);
441 dump_reg(sd, REG_VSYNC_STOP_LINE_LSB);
442 dump_reg(sd, REG_VSYNC_STOP_LINE_MSB);
443 dump_reg(sd, REG_VBLK_START_LINE_LSB);
444 dump_reg(sd, REG_VBLK_START_LINE_MSB);
445 dump_reg(sd, REG_VBLK_STOP_LINE_LSB);
446 dump_reg(sd, REG_VBLK_STOP_LINE_MSB);
447 dump_reg(sd, REG_SYNC_CONTROL);
448 dump_reg(sd, REG_OUTPUT_FORMATTER1);
449 dump_reg(sd, REG_OUTPUT_FORMATTER2);
450 dump_reg(sd, REG_OUTPUT_FORMATTER3);
451 dump_reg(sd, REG_OUTPUT_FORMATTER4);
452 dump_reg(sd, REG_OUTPUT_FORMATTER5);
453 dump_reg(sd, REG_OUTPUT_FORMATTER6);
454 dump_reg(sd, REG_CLEAR_LOST_LOCK);
455 }
456
457 /**
458 * tvp514x_configure() - Configure the TVP5146/47 registers
459 * @sd: ptr to v4l2_subdev struct
460 * @decoder: ptr to tvp514x_decoder structure
461 *
462 * Returns zero if successful, or non-zero otherwise.
463 */
tvp514x_configure(struct v4l2_subdev * sd,struct tvp514x_decoder * decoder)464 static int tvp514x_configure(struct v4l2_subdev *sd,
465 struct tvp514x_decoder *decoder)
466 {
467 int err;
468
469 /* common register initialization */
470 err =
471 tvp514x_write_regs(sd, decoder->tvp514x_regs);
472 if (err)
473 return err;
474
475 if (debug)
476 tvp514x_reg_dump(sd);
477
478 return 0;
479 }
480
481 /**
482 * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision.
483 * @sd: pointer to standard V4L2 sub-device structure
484 * @decoder: pointer to tvp514x_decoder structure
485 *
486 * A device is considered to be detected if the chip ID (LSB and MSB)
487 * registers match the expected values.
488 * Any value of the rom version register is accepted.
489 * Returns ENODEV error number if no device is detected, or zero
490 * if a device is detected.
491 */
tvp514x_detect(struct v4l2_subdev * sd,struct tvp514x_decoder * decoder)492 static int tvp514x_detect(struct v4l2_subdev *sd,
493 struct tvp514x_decoder *decoder)
494 {
495 u8 chip_id_msb, chip_id_lsb, rom_ver;
496 struct i2c_client *client = v4l2_get_subdevdata(sd);
497
498 chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB);
499 chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB);
500 rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION);
501
502 v4l2_dbg(1, debug, sd,
503 "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n",
504 chip_id_msb, chip_id_lsb, rom_ver);
505 if ((chip_id_msb != TVP514X_CHIP_ID_MSB)
506 || ((chip_id_lsb != TVP5146_CHIP_ID_LSB)
507 && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) {
508 /* We didn't read the values we expected, so this must not be
509 * an TVP5146/47.
510 */
511 v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n",
512 chip_id_msb, chip_id_lsb);
513 return -ENODEV;
514 }
515
516 decoder->ver = rom_ver;
517
518 v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n",
519 client->name, decoder->ver,
520 client->addr << 1, client->adapter->name);
521 return 0;
522 }
523
524 /**
525 * tvp514x_querystd() - V4L2 decoder interface handler for querystd
526 * @sd: pointer to standard V4L2 sub-device structure
527 * @std_id: standard V4L2 std_id ioctl enum
528 *
529 * Returns the current standard detected by TVP5146/47. If no active input is
530 * detected then *std_id is set to 0 and the function returns 0.
531 */
tvp514x_querystd(struct v4l2_subdev * sd,v4l2_std_id * std_id)532 static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
533 {
534 struct tvp514x_decoder *decoder = to_decoder(sd);
535 enum tvp514x_std current_std;
536 enum tvp514x_input input_sel;
537 u8 sync_lock_status, lock_mask;
538
539 if (std_id == NULL)
540 return -EINVAL;
541
542 /* To query the standard the TVP514x must power on the ADCs. */
543 if (!decoder->streaming) {
544 tvp514x_s_stream(sd, 1);
545 msleep(LOCK_RETRY_DELAY);
546 }
547
548 /* query the current standard */
549 current_std = tvp514x_query_current_std(sd);
550 if (current_std == STD_INVALID) {
551 *std_id = V4L2_STD_UNKNOWN;
552 return 0;
553 }
554
555 input_sel = decoder->input;
556
557 switch (input_sel) {
558 case INPUT_CVBS_VI1A:
559 case INPUT_CVBS_VI1B:
560 case INPUT_CVBS_VI1C:
561 case INPUT_CVBS_VI2A:
562 case INPUT_CVBS_VI2B:
563 case INPUT_CVBS_VI2C:
564 case INPUT_CVBS_VI3A:
565 case INPUT_CVBS_VI3B:
566 case INPUT_CVBS_VI3C:
567 case INPUT_CVBS_VI4A:
568 lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT |
569 STATUS_HORZ_SYNC_LOCK_BIT |
570 STATUS_VIRT_SYNC_LOCK_BIT;
571 break;
572
573 case INPUT_SVIDEO_VI2A_VI1A:
574 case INPUT_SVIDEO_VI2B_VI1B:
575 case INPUT_SVIDEO_VI2C_VI1C:
576 case INPUT_SVIDEO_VI2A_VI3A:
577 case INPUT_SVIDEO_VI2B_VI3B:
578 case INPUT_SVIDEO_VI2C_VI3C:
579 case INPUT_SVIDEO_VI4A_VI1A:
580 case INPUT_SVIDEO_VI4A_VI1B:
581 case INPUT_SVIDEO_VI4A_VI1C:
582 case INPUT_SVIDEO_VI4A_VI3A:
583 case INPUT_SVIDEO_VI4A_VI3B:
584 case INPUT_SVIDEO_VI4A_VI3C:
585 lock_mask = STATUS_HORZ_SYNC_LOCK_BIT |
586 STATUS_VIRT_SYNC_LOCK_BIT;
587 break;
588 /*Need to add other interfaces*/
589 default:
590 return -EINVAL;
591 }
592 /* check whether signal is locked */
593 sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1);
594 if (lock_mask != (sync_lock_status & lock_mask)) {
595 *std_id = V4L2_STD_UNKNOWN;
596 return 0; /* No input detected */
597 }
598
599 *std_id &= decoder->std_list[current_std].standard.id;
600
601 v4l2_dbg(1, debug, sd, "Current STD: %s\n",
602 decoder->std_list[current_std].standard.name);
603 return 0;
604 }
605
606 /**
607 * tvp514x_s_std() - V4L2 decoder interface handler for s_std
608 * @sd: pointer to standard V4L2 sub-device structure
609 * @std_id: standard V4L2 v4l2_std_id ioctl enum
610 *
611 * If std_id is supported, sets the requested standard. Otherwise, returns
612 * -EINVAL
613 */
tvp514x_s_std(struct v4l2_subdev * sd,v4l2_std_id std_id)614 static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id)
615 {
616 struct tvp514x_decoder *decoder = to_decoder(sd);
617 int err, i;
618
619 for (i = 0; i < decoder->num_stds; i++)
620 if (std_id & decoder->std_list[i].standard.id)
621 break;
622
623 if ((i == decoder->num_stds) || (i == STD_INVALID))
624 return -EINVAL;
625
626 err = tvp514x_write_reg(sd, REG_VIDEO_STD,
627 decoder->std_list[i].video_std);
628 if (err)
629 return err;
630
631 decoder->current_std = i;
632 decoder->tvp514x_regs[REG_VIDEO_STD].val =
633 decoder->std_list[i].video_std;
634
635 v4l2_dbg(1, debug, sd, "Standard set to: %s\n",
636 decoder->std_list[i].standard.name);
637 return 0;
638 }
639
640 /**
641 * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing
642 * @sd: pointer to standard V4L2 sub-device structure
643 * @input: input selector for routing the signal
644 * @output: output selector for routing the signal
645 * @config: config value. Not used
646 *
647 * If index is valid, selects the requested input. Otherwise, returns -EINVAL if
648 * the input is not supported or there is no active signal present in the
649 * selected input.
650 */
tvp514x_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)651 static int tvp514x_s_routing(struct v4l2_subdev *sd,
652 u32 input, u32 output, u32 config)
653 {
654 struct tvp514x_decoder *decoder = to_decoder(sd);
655 int err;
656 enum tvp514x_input input_sel;
657 enum tvp514x_output output_sel;
658
659 if ((input >= INPUT_INVALID) ||
660 (output >= OUTPUT_INVALID))
661 /* Index out of bound */
662 return -EINVAL;
663
664 input_sel = input;
665 output_sel = output;
666
667 err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel);
668 if (err)
669 return err;
670
671 output_sel |= tvp514x_read_reg(sd,
672 REG_OUTPUT_FORMATTER1) & 0x7;
673 err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1,
674 output_sel);
675 if (err)
676 return err;
677
678 decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel;
679 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel;
680 decoder->input = input;
681 decoder->output = output;
682
683 v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel);
684
685 return 0;
686 }
687
688 /**
689 * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl
690 * @ctrl: pointer to v4l2_ctrl structure
691 *
692 * If the requested control is supported, sets the control's current
693 * value in HW. Otherwise, returns -EINVAL if the control is not supported.
694 */
tvp514x_s_ctrl(struct v4l2_ctrl * ctrl)695 static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl)
696 {
697 struct v4l2_subdev *sd = to_sd(ctrl);
698 struct tvp514x_decoder *decoder = to_decoder(sd);
699 int err = -EINVAL, value;
700
701 value = ctrl->val;
702
703 switch (ctrl->id) {
704 case V4L2_CID_BRIGHTNESS:
705 err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value);
706 if (!err)
707 decoder->tvp514x_regs[REG_BRIGHTNESS].val = value;
708 break;
709 case V4L2_CID_CONTRAST:
710 err = tvp514x_write_reg(sd, REG_CONTRAST, value);
711 if (!err)
712 decoder->tvp514x_regs[REG_CONTRAST].val = value;
713 break;
714 case V4L2_CID_SATURATION:
715 err = tvp514x_write_reg(sd, REG_SATURATION, value);
716 if (!err)
717 decoder->tvp514x_regs[REG_SATURATION].val = value;
718 break;
719 case V4L2_CID_HUE:
720 if (value == 180)
721 value = 0x7F;
722 else if (value == -180)
723 value = 0x80;
724 err = tvp514x_write_reg(sd, REG_HUE, value);
725 if (!err)
726 decoder->tvp514x_regs[REG_HUE].val = value;
727 break;
728 case V4L2_CID_AUTOGAIN:
729 err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c);
730 if (!err)
731 decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value;
732 break;
733 }
734
735 v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n",
736 ctrl->id, ctrl->val);
737 return err;
738 }
739
740 /**
741 * tvp514x_g_frame_interval() - V4L2 decoder interface handler
742 * @sd: pointer to standard V4L2 sub-device structure
743 * @ival: pointer to a v4l2_subdev_frame_interval structure
744 *
745 * Returns the decoder's video CAPTURE parameters.
746 */
747 static int
tvp514x_g_frame_interval(struct v4l2_subdev * sd,struct v4l2_subdev_frame_interval * ival)748 tvp514x_g_frame_interval(struct v4l2_subdev *sd,
749 struct v4l2_subdev_frame_interval *ival)
750 {
751 struct tvp514x_decoder *decoder = to_decoder(sd);
752 enum tvp514x_std current_std;
753
754
755 /* get the current standard */
756 current_std = decoder->current_std;
757
758 ival->interval =
759 decoder->std_list[current_std].standard.frameperiod;
760
761 return 0;
762 }
763
764 /**
765 * tvp514x_s_frame_interval() - V4L2 decoder interface handler
766 * @sd: pointer to standard V4L2 sub-device structure
767 * @ival: pointer to a v4l2_subdev_frame_interval structure
768 *
769 * Configures the decoder to use the input parameters, if possible. If
770 * not possible, returns the appropriate error code.
771 */
772 static int
tvp514x_s_frame_interval(struct v4l2_subdev * sd,struct v4l2_subdev_frame_interval * ival)773 tvp514x_s_frame_interval(struct v4l2_subdev *sd,
774 struct v4l2_subdev_frame_interval *ival)
775 {
776 struct tvp514x_decoder *decoder = to_decoder(sd);
777 struct v4l2_fract *timeperframe;
778 enum tvp514x_std current_std;
779
780
781 timeperframe = &ival->interval;
782
783 /* get the current standard */
784 current_std = decoder->current_std;
785
786 *timeperframe =
787 decoder->std_list[current_std].standard.frameperiod;
788
789 return 0;
790 }
791
792 /**
793 * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream
794 * @sd: pointer to standard V4L2 sub-device structure
795 * @enable: streaming enable or disable
796 *
797 * Sets streaming to enable or disable, if possible.
798 */
tvp514x_s_stream(struct v4l2_subdev * sd,int enable)799 static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable)
800 {
801 int err = 0;
802 struct tvp514x_decoder *decoder = to_decoder(sd);
803
804 if (decoder->streaming == enable)
805 return 0;
806
807 switch (enable) {
808 case 0:
809 {
810 /* Power Down Sequence */
811 err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01);
812 if (err) {
813 v4l2_err(sd, "Unable to turn off decoder\n");
814 return err;
815 }
816 decoder->streaming = enable;
817 break;
818 }
819 case 1:
820 {
821 /* Power Up Sequence */
822 err = tvp514x_write_regs(sd, decoder->int_seq);
823 if (err) {
824 v4l2_err(sd, "Unable to turn on decoder\n");
825 return err;
826 }
827 /* Detect if not already detected */
828 err = tvp514x_detect(sd, decoder);
829 if (err) {
830 v4l2_err(sd, "Unable to detect decoder\n");
831 return err;
832 }
833 err = tvp514x_configure(sd, decoder);
834 if (err) {
835 v4l2_err(sd, "Unable to configure decoder\n");
836 return err;
837 }
838 decoder->streaming = enable;
839 break;
840 }
841 default:
842 err = -ENODEV;
843 break;
844 }
845
846 return err;
847 }
848
849 static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = {
850 .s_ctrl = tvp514x_s_ctrl,
851 };
852
853 /**
854 * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code
855 * @sd: pointer to standard V4L2 sub-device structure
856 * @cfg: pad configuration
857 * @code: pointer to v4l2_subdev_mbus_code_enum structure
858 *
859 * Enumertaes mbus codes supported
860 */
tvp514x_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_mbus_code_enum * code)861 static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd,
862 struct v4l2_subdev_pad_config *cfg,
863 struct v4l2_subdev_mbus_code_enum *code)
864 {
865 u32 pad = code->pad;
866 u32 index = code->index;
867
868 memset(code, 0, sizeof(*code));
869 code->index = index;
870 code->pad = pad;
871
872 if (index != 0)
873 return -EINVAL;
874
875 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
876
877 return 0;
878 }
879
880 /**
881 * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format
882 * @sd: pointer to standard V4L2 sub-device structure
883 * @cfg: pad configuration
884 * @format: pointer to v4l2_subdev_format structure
885 *
886 * Retrieves pad format which is active or tried based on requirement
887 */
tvp514x_get_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_format * format)888 static int tvp514x_get_pad_format(struct v4l2_subdev *sd,
889 struct v4l2_subdev_pad_config *cfg,
890 struct v4l2_subdev_format *format)
891 {
892 struct tvp514x_decoder *decoder = to_decoder(sd);
893 __u32 which = format->which;
894
895 if (format->pad)
896 return -EINVAL;
897
898 if (which == V4L2_SUBDEV_FORMAT_ACTIVE) {
899 format->format = decoder->format;
900 return 0;
901 }
902
903 format->format.code = MEDIA_BUS_FMT_UYVY8_2X8;
904 format->format.width = tvp514x_std_list[decoder->current_std].width;
905 format->format.height = tvp514x_std_list[decoder->current_std].height;
906 format->format.colorspace = V4L2_COLORSPACE_SMPTE170M;
907 format->format.field = V4L2_FIELD_INTERLACED;
908
909 return 0;
910 }
911
912 /**
913 * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format
914 * @sd: pointer to standard V4L2 sub-device structure
915 * @cfg: pad configuration
916 * @fmt: pointer to v4l2_subdev_format structure
917 *
918 * Set pad format for the output pad
919 */
tvp514x_set_pad_format(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_format * fmt)920 static int tvp514x_set_pad_format(struct v4l2_subdev *sd,
921 struct v4l2_subdev_pad_config *cfg,
922 struct v4l2_subdev_format *fmt)
923 {
924 struct tvp514x_decoder *decoder = to_decoder(sd);
925
926 if (fmt->format.field != V4L2_FIELD_INTERLACED ||
927 fmt->format.code != MEDIA_BUS_FMT_UYVY8_2X8 ||
928 fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M ||
929 fmt->format.width != tvp514x_std_list[decoder->current_std].width ||
930 fmt->format.height != tvp514x_std_list[decoder->current_std].height)
931 return -EINVAL;
932
933 decoder->format = fmt->format;
934
935 return 0;
936 }
937
938 static const struct v4l2_subdev_video_ops tvp514x_video_ops = {
939 .s_std = tvp514x_s_std,
940 .s_routing = tvp514x_s_routing,
941 .querystd = tvp514x_querystd,
942 .g_frame_interval = tvp514x_g_frame_interval,
943 .s_frame_interval = tvp514x_s_frame_interval,
944 .s_stream = tvp514x_s_stream,
945 };
946
947 static const struct v4l2_subdev_pad_ops tvp514x_pad_ops = {
948 .enum_mbus_code = tvp514x_enum_mbus_code,
949 .get_fmt = tvp514x_get_pad_format,
950 .set_fmt = tvp514x_set_pad_format,
951 };
952
953 static const struct v4l2_subdev_ops tvp514x_ops = {
954 .video = &tvp514x_video_ops,
955 .pad = &tvp514x_pad_ops,
956 };
957
958 static const struct tvp514x_decoder tvp514x_dev = {
959 .streaming = 0,
960 .fmt_list = tvp514x_fmt_list,
961 .num_fmts = ARRAY_SIZE(tvp514x_fmt_list),
962 .pix = {
963 /* Default to NTSC 8-bit YUV 422 */
964 .width = NTSC_NUM_ACTIVE_PIXELS,
965 .height = NTSC_NUM_ACTIVE_LINES,
966 .pixelformat = V4L2_PIX_FMT_UYVY,
967 .field = V4L2_FIELD_INTERLACED,
968 .bytesperline = NTSC_NUM_ACTIVE_PIXELS * 2,
969 .sizeimage = NTSC_NUM_ACTIVE_PIXELS * 2 *
970 NTSC_NUM_ACTIVE_LINES,
971 .colorspace = V4L2_COLORSPACE_SMPTE170M,
972 },
973 .current_std = STD_NTSC_MJ,
974 .std_list = tvp514x_std_list,
975 .num_stds = ARRAY_SIZE(tvp514x_std_list),
976
977 };
978
979 static struct tvp514x_platform_data *
tvp514x_get_pdata(struct i2c_client * client)980 tvp514x_get_pdata(struct i2c_client *client)
981 {
982 #if IS_ENABLED(CONFIG_OF)
983 struct tvp514x_platform_data *pdata = NULL;
984 struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 };
985 struct device_node *endpoint;
986 unsigned int flags;
987
988 if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
989 return client->dev.platform_data;
990
991 endpoint = of_graph_get_next_endpoint(client->dev.of_node, NULL);
992 if (!endpoint)
993 return NULL;
994
995 if (v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &bus_cfg))
996 goto done;
997
998 pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
999 if (!pdata)
1000 goto done;
1001
1002 flags = bus_cfg.bus.parallel.flags;
1003
1004 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
1005 pdata->hs_polarity = 1;
1006
1007 if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH)
1008 pdata->vs_polarity = 1;
1009
1010 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
1011 pdata->clk_polarity = 1;
1012
1013 done:
1014 of_node_put(endpoint);
1015 return pdata;
1016 #else
1017 return client->dev.platform_data;
1018 #endif
1019 }
1020
1021 /**
1022 * tvp514x_probe() - decoder driver i2c probe handler
1023 * @client: i2c driver client device structure
1024 * @id: i2c driver id table
1025 *
1026 * Register decoder as an i2c client device and V4L2
1027 * device.
1028 */
1029 static int
tvp514x_probe(struct i2c_client * client,const struct i2c_device_id * id)1030 tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id)
1031 {
1032 struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client);
1033 struct tvp514x_decoder *decoder;
1034 struct v4l2_subdev *sd;
1035 int ret;
1036
1037 if (pdata == NULL) {
1038 dev_err(&client->dev, "No platform data\n");
1039 return -EINVAL;
1040 }
1041
1042 /* Check if the adapter supports the needed features */
1043 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1044 return -EIO;
1045
1046 decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
1047 if (!decoder)
1048 return -ENOMEM;
1049
1050 /* Initialize the tvp514x_decoder with default configuration */
1051 *decoder = tvp514x_dev;
1052 /* Copy default register configuration */
1053 memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
1054 sizeof(tvp514x_reg_list_default));
1055
1056 decoder->int_seq = (struct tvp514x_reg *)id->driver_data;
1057
1058 /* Copy board specific information here */
1059 decoder->pdata = pdata;
1060
1061 /**
1062 * Fetch platform specific data, and configure the
1063 * tvp514x_reg_list[] accordingly. Since this is one
1064 * time configuration, no need to preserve.
1065 */
1066 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |=
1067 (decoder->pdata->clk_polarity << 1);
1068 decoder->tvp514x_regs[REG_SYNC_CONTROL].val |=
1069 ((decoder->pdata->hs_polarity << 2) |
1070 (decoder->pdata->vs_polarity << 3));
1071 /* Set default standard to auto */
1072 decoder->tvp514x_regs[REG_VIDEO_STD].val =
1073 VIDEO_STD_AUTO_SWITCH_BIT;
1074
1075 /* Register with V4L2 layer as slave device */
1076 sd = &decoder->sd;
1077 v4l2_i2c_subdev_init(sd, client, &tvp514x_ops);
1078
1079 #if defined(CONFIG_MEDIA_CONTROLLER)
1080 decoder->pad.flags = MEDIA_PAD_FL_SOURCE;
1081 decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1082 decoder->sd.entity.function = MEDIA_ENT_F_ATV_DECODER;
1083
1084 ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad);
1085 if (ret < 0) {
1086 v4l2_err(sd, "%s decoder driver failed to register !!\n",
1087 sd->name);
1088 return ret;
1089 }
1090 #endif
1091 v4l2_ctrl_handler_init(&decoder->hdl, 5);
1092 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1093 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1094 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1095 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1096 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1097 V4L2_CID_SATURATION, 0, 255, 1, 128);
1098 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1099 V4L2_CID_HUE, -180, 180, 180, 0);
1100 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops,
1101 V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1102 sd->ctrl_handler = &decoder->hdl;
1103 if (decoder->hdl.error) {
1104 ret = decoder->hdl.error;
1105 goto done;
1106 }
1107 v4l2_ctrl_handler_setup(&decoder->hdl);
1108
1109 ret = v4l2_async_register_subdev(&decoder->sd);
1110 if (!ret)
1111 v4l2_info(sd, "%s decoder driver registered !!\n", sd->name);
1112
1113 done:
1114 if (ret < 0) {
1115 v4l2_ctrl_handler_free(&decoder->hdl);
1116 media_entity_cleanup(&decoder->sd.entity);
1117 }
1118 return ret;
1119 }
1120
1121 /**
1122 * tvp514x_remove() - decoder driver i2c remove handler
1123 * @client: i2c driver client device structure
1124 *
1125 * Unregister decoder as an i2c client device and V4L2
1126 * device. Complement of tvp514x_probe().
1127 */
tvp514x_remove(struct i2c_client * client)1128 static int tvp514x_remove(struct i2c_client *client)
1129 {
1130 struct v4l2_subdev *sd = i2c_get_clientdata(client);
1131 struct tvp514x_decoder *decoder = to_decoder(sd);
1132
1133 v4l2_async_unregister_subdev(&decoder->sd);
1134 media_entity_cleanup(&decoder->sd.entity);
1135 v4l2_ctrl_handler_free(&decoder->hdl);
1136 return 0;
1137 }
1138 /* TVP5146 Init/Power on Sequence */
1139 static const struct tvp514x_reg tvp5146_init_reg_seq[] = {
1140 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1141 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1142 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1143 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1144 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1145 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1146 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1147 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1148 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1149 {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1150 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1151 {TOK_TERM, 0, 0},
1152 };
1153
1154 /* TVP5147 Init/Power on Sequence */
1155 static const struct tvp514x_reg tvp5147_init_reg_seq[] = {
1156 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02},
1157 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1158 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80},
1159 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1160 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1161 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1162 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1163 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01},
1164 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16},
1165 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1166 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0},
1167 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16},
1168 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60},
1169 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00},
1170 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0},
1171 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00},
1172 {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1173 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1174 {TOK_TERM, 0, 0},
1175 };
1176
1177 /* TVP5146M2/TVP5147M1 Init/Power on Sequence */
1178 static const struct tvp514x_reg tvp514xm_init_reg_seq[] = {
1179 {TOK_WRITE, REG_OPERATION_MODE, 0x01},
1180 {TOK_WRITE, REG_OPERATION_MODE, 0x00},
1181 {TOK_TERM, 0, 0},
1182 };
1183
1184 /*
1185 * I2C Device Table -
1186 *
1187 * name - Name of the actual device/chip.
1188 * driver_data - Driver data
1189 */
1190 static const struct i2c_device_id tvp514x_id[] = {
1191 {"tvp5146", (unsigned long)tvp5146_init_reg_seq},
1192 {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq},
1193 {"tvp5147", (unsigned long)tvp5147_init_reg_seq},
1194 {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq},
1195 {},
1196 };
1197
1198 MODULE_DEVICE_TABLE(i2c, tvp514x_id);
1199
1200 #if IS_ENABLED(CONFIG_OF)
1201 static const struct of_device_id tvp514x_of_match[] = {
1202 { .compatible = "ti,tvp5146", },
1203 { .compatible = "ti,tvp5146m2", },
1204 { .compatible = "ti,tvp5147", },
1205 { .compatible = "ti,tvp5147m1", },
1206 { /* sentinel */ },
1207 };
1208 MODULE_DEVICE_TABLE(of, tvp514x_of_match);
1209 #endif
1210
1211 static struct i2c_driver tvp514x_driver = {
1212 .driver = {
1213 #if IS_ENABLED(CONFIG_OF)
1214 .of_match_table = of_match_ptr(tvp514x_of_match),
1215 #endif
1216 .name = TVP514X_MODULE_NAME,
1217 },
1218 .probe = tvp514x_probe,
1219 .remove = tvp514x_remove,
1220 .id_table = tvp514x_id,
1221 };
1222
1223 module_i2c_driver(tvp514x_driver);
1224