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/delay.h> 20#include <linux/i2c.h> 21#include <linux/mod_devicetable.h> 22#include <linux/module.h> 23#include <linux/of.h> 24#include <linux/of_graph.h> 25#include <linux/slab.h> 26#include <linux/v4l2-mediabus.h> 27#include <linux/videodev2.h> 28 29#include <media/i2c/tvp514x.h> 30#include <media/media-entity.h> 31#include <media/v4l2-async.h> 32#include <media/v4l2-common.h> 33#include <media/v4l2-ctrls.h> 34#include <media/v4l2-device.h> 35#include <media/v4l2-fwnode.h> 36#include <media/v4l2-mediabus.h> 37 38#include "tvp514x_regs.h" 39 40/* Private macros for TVP */ 41#define I2C_RETRY_COUNT (5) 42#define LOCK_RETRY_COUNT (5) 43#define LOCK_RETRY_DELAY (200) 44 45/* Debug functions */ 46static bool debug; 47module_param(debug, bool, 0644); 48MODULE_PARM_DESC(debug, "Debug level (0-1)"); 49 50MODULE_AUTHOR("Texas Instruments"); 51MODULE_DESCRIPTION("TVP514X linux decoder driver"); 52MODULE_LICENSE("GPL"); 53 54/* enum tvp514x_std - enum for supported standards */ 55enum tvp514x_std { 56 STD_NTSC_MJ = 0, 57 STD_PAL_BDGHIN, 58 STD_INVALID 59}; 60 61/** 62 * struct tvp514x_std_info - Structure to store standard information 63 * @width: Line width in pixels 64 * @height:Number of active lines 65 * @video_std: Value to write in REG_VIDEO_STD register 66 * @standard: v4l2 standard structure information 67 */ 68struct tvp514x_std_info { 69 unsigned long width; 70 unsigned long height; 71 u8 video_std; 72 struct v4l2_standard standard; 73}; 74 75static struct tvp514x_reg tvp514x_reg_list_default[0x40]; 76 77static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable); 78/** 79 * struct tvp514x_decoder - TVP5146/47 decoder object 80 * @sd: Subdevice Slave handle 81 * @hdl: embedded &struct v4l2_ctrl_handler 82 * @tvp514x_regs: copy of hw's regs with preset values. 83 * @pdata: Board specific 84 * @ver: Chip version 85 * @streaming: TVP5146/47 decoder streaming - enabled or disabled. 86 * @pix: Current pixel format 87 * @num_fmts: Number of formats 88 * @fmt_list: Format list 89 * @current_std: Current standard 90 * @num_stds: Number of standards 91 * @std_list: Standards list 92 * @input: Input routing at chip level 93 * @output: Output routing at chip level 94 * @pad: subdev media pad associated with the decoder 95 * @format: media bus frame format 96 * @int_seq: driver's register init sequence 97 */ 98struct tvp514x_decoder { 99 struct v4l2_subdev sd; 100 struct v4l2_ctrl_handler hdl; 101 struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)]; 102 const struct tvp514x_platform_data *pdata; 103 104 int ver; 105 int streaming; 106 107 struct v4l2_pix_format pix; 108 int num_fmts; 109 const struct v4l2_fmtdesc *fmt_list; 110 111 enum tvp514x_std current_std; 112 int num_stds; 113 const struct tvp514x_std_info *std_list; 114 /* Input and Output Routing parameters */ 115 u32 input; 116 u32 output; 117 118 /* mc related members */ 119 struct media_pad pad; 120 struct v4l2_mbus_framefmt format; 121 122 const struct tvp514x_reg *int_seq; 123}; 124 125/* TVP514x default register values */ 126static struct tvp514x_reg tvp514x_reg_list_default[] = { 127 /* Composite selected */ 128 {TOK_WRITE, REG_INPUT_SEL, 0x05}, 129 {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, 130 /* Auto mode */ 131 {TOK_WRITE, REG_VIDEO_STD, 0x00}, 132 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 133 {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, 134 {TOK_WRITE, REG_COLOR_KILLER, 0x10}, 135 {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, 136 {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, 137 {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, 138 {TOK_WRITE, REG_BRIGHTNESS, 0x80}, 139 {TOK_WRITE, REG_CONTRAST, 0x80}, 140 {TOK_WRITE, REG_SATURATION, 0x80}, 141 {TOK_WRITE, REG_HUE, 0x00}, 142 {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, 143 {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, 144 /* Reserved */ 145 {TOK_SKIP, 0x0F, 0x00}, 146 {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, 147 {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, 148 {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, 149 /* Reserved */ 150 {TOK_SKIP, 0x13, 0x00}, 151 {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, 152 /* Reserved */ 153 {TOK_SKIP, 0x15, 0x00}, 154 /* NTSC timing */ 155 {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, 156 {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, 157 {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, 158 {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, 159 /* NTSC timing */ 160 {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, 161 {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, 162 {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, 163 {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, 164 /* NTSC timing */ 165 {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, 166 {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, 167 {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, 168 {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, 169 /* NTSC timing */ 170 {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, 171 {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, 172 {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, 173 {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, 174 /* Reserved */ 175 {TOK_SKIP, 0x26, 0x00}, 176 /* Reserved */ 177 {TOK_SKIP, 0x27, 0x00}, 178 {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, 179 /* Reserved */ 180 {TOK_SKIP, 0x29, 0x00}, 181 {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, 182 /* Reserved */ 183 {TOK_SKIP, 0x2B, 0x00}, 184 {TOK_SKIP, REG_SCART_DELAY, 0x00}, 185 {TOK_SKIP, REG_CTI_DELAY, 0x00}, 186 {TOK_SKIP, REG_CTI_CONTROL, 0x00}, 187 /* Reserved */ 188 {TOK_SKIP, 0x2F, 0x00}, 189 /* Reserved */ 190 {TOK_SKIP, 0x30, 0x00}, 191 /* Reserved */ 192 {TOK_SKIP, 0x31, 0x00}, 193 /* HS, VS active high */ 194 {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, 195 /* 10-bit BT.656 */ 196 {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, 197 /* Enable clk & data */ 198 {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, 199 /* Enable AVID & FLD */ 200 {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, 201 /* Enable VS & HS */ 202 {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, 203 {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, 204 {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, 205 /* Clear status */ 206 {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, 207 {TOK_TERM, 0, 0}, 208}; 209 210/* 211 * List of image formats supported by TVP5146/47 decoder 212 * Currently we are using 8 bit mode only, but can be 213 * extended to 10/20 bit mode. 214 */ 215static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { 216 { 217 .index = 0, 218 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, 219 .flags = 0, 220 .description = "8-bit UYVY 4:2:2 Format", 221 .pixelformat = V4L2_PIX_FMT_UYVY, 222 }, 223}; 224 225/* 226 * Supported standards - 227 * 228 * Currently supports two standards only, need to add support for rest of the 229 * modes, like SECAM, etc... 230 */ 231static const struct tvp514x_std_info tvp514x_std_list[] = { 232 /* Standard: STD_NTSC_MJ */ 233 [STD_NTSC_MJ] = { 234 .width = NTSC_NUM_ACTIVE_PIXELS, 235 .height = NTSC_NUM_ACTIVE_LINES, 236 .video_std = VIDEO_STD_NTSC_MJ_BIT, 237 .standard = { 238 .index = 0, 239 .id = V4L2_STD_NTSC, 240 .name = "NTSC", 241 .frameperiod = {1001, 30000}, 242 .framelines = 525 243 }, 244 /* Standard: STD_PAL_BDGHIN */ 245 }, 246 [STD_PAL_BDGHIN] = { 247 .width = PAL_NUM_ACTIVE_PIXELS, 248 .height = PAL_NUM_ACTIVE_LINES, 249 .video_std = VIDEO_STD_PAL_BDGHIN_BIT, 250 .standard = { 251 .index = 1, 252 .id = V4L2_STD_PAL, 253 .name = "PAL", 254 .frameperiod = {1, 25}, 255 .framelines = 625 256 }, 257 }, 258 /* Standard: need to add for additional standard */ 259}; 260 261 262static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) 263{ 264 return container_of(sd, struct tvp514x_decoder, sd); 265} 266 267static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 268{ 269 return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd; 270} 271 272 273/** 274 * tvp514x_read_reg() - Read a value from a register in an TVP5146/47. 275 * @sd: ptr to v4l2_subdev struct 276 * @reg: TVP5146/47 register address 277 * 278 * Returns value read if successful, or non-zero (-1) otherwise. 279 */ 280static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) 281{ 282 int err, retry = 0; 283 struct i2c_client *client = v4l2_get_subdevdata(sd); 284 285read_again: 286 287 err = i2c_smbus_read_byte_data(client, reg); 288 if (err < 0) { 289 if (retry <= I2C_RETRY_COUNT) { 290 v4l2_warn(sd, "Read: retry ... %d\n", retry); 291 retry++; 292 msleep_interruptible(10); 293 goto read_again; 294 } 295 } 296 297 return err; 298} 299 300/** 301 * dump_reg() - dump the register content of TVP5146/47. 302 * @sd: ptr to v4l2_subdev struct 303 * @reg: TVP5146/47 register address 304 */ 305static void dump_reg(struct v4l2_subdev *sd, u8 reg) 306{ 307 u32 val; 308 309 val = tvp514x_read_reg(sd, reg); 310 v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val); 311} 312 313/** 314 * tvp514x_write_reg() - Write a value to a register in TVP5146/47 315 * @sd: ptr to v4l2_subdev struct 316 * @reg: TVP5146/47 register address 317 * @val: value to be written to the register 318 * 319 * Write a value to a register in an TVP5146/47 decoder device. 320 * Returns zero if successful, or non-zero otherwise. 321 */ 322static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val) 323{ 324 int err, retry = 0; 325 struct i2c_client *client = v4l2_get_subdevdata(sd); 326 327write_again: 328 329 err = i2c_smbus_write_byte_data(client, reg, val); 330 if (err) { 331 if (retry <= I2C_RETRY_COUNT) { 332 v4l2_warn(sd, "Write: retry ... %d\n", retry); 333 retry++; 334 msleep_interruptible(10); 335 goto write_again; 336 } 337 } 338 339 return err; 340} 341 342/** 343 * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers 344 * @sd: ptr to v4l2_subdev struct 345 * @reglist: list of TVP5146/47 registers and values 346 * 347 * Initializes a list of TVP5146/47 registers:- 348 * if token is TOK_TERM, then entire write operation terminates 349 * if token is TOK_DELAY, then a delay of 'val' msec is introduced 350 * if token is TOK_SKIP, then the register write is skipped 351 * if token is TOK_WRITE, then the register write is performed 352 * Returns zero if successful, or non-zero otherwise. 353 */ 354static int tvp514x_write_regs(struct v4l2_subdev *sd, 355 const struct tvp514x_reg reglist[]) 356{ 357 int err; 358 const struct tvp514x_reg *next = reglist; 359 360 for (; next->token != TOK_TERM; next++) { 361 if (next->token == TOK_DELAY) { 362 msleep(next->val); 363 continue; 364 } 365 366 if (next->token == TOK_SKIP) 367 continue; 368 369 err = tvp514x_write_reg(sd, next->reg, (u8) next->val); 370 if (err) { 371 v4l2_err(sd, "Write failed. Err[%d]\n", err); 372 return err; 373 } 374 } 375 return 0; 376} 377 378/** 379 * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47 380 * @sd: ptr to v4l2_subdev struct 381 * 382 * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no 383 * standard detected. 384 */ 385static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd) 386{ 387 u8 std, std_status; 388 389 std = tvp514x_read_reg(sd, REG_VIDEO_STD); 390 if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) 391 /* use the standard status register */ 392 std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS); 393 else 394 /* use the standard register itself */ 395 std_status = std; 396 397 switch (std_status & VIDEO_STD_MASK) { 398 case VIDEO_STD_NTSC_MJ_BIT: 399 return STD_NTSC_MJ; 400 401 case VIDEO_STD_PAL_BDGHIN_BIT: 402 return STD_PAL_BDGHIN; 403 404 default: 405 return STD_INVALID; 406 } 407 408 return STD_INVALID; 409} 410 411/* TVP5146/47 register dump function */ 412static void tvp514x_reg_dump(struct v4l2_subdev *sd) 413{ 414 dump_reg(sd, REG_INPUT_SEL); 415 dump_reg(sd, REG_AFE_GAIN_CTRL); 416 dump_reg(sd, REG_VIDEO_STD); 417 dump_reg(sd, REG_OPERATION_MODE); 418 dump_reg(sd, REG_COLOR_KILLER); 419 dump_reg(sd, REG_LUMA_CONTROL1); 420 dump_reg(sd, REG_LUMA_CONTROL2); 421 dump_reg(sd, REG_LUMA_CONTROL3); 422 dump_reg(sd, REG_BRIGHTNESS); 423 dump_reg(sd, REG_CONTRAST); 424 dump_reg(sd, REG_SATURATION); 425 dump_reg(sd, REG_HUE); 426 dump_reg(sd, REG_CHROMA_CONTROL1); 427 dump_reg(sd, REG_CHROMA_CONTROL2); 428 dump_reg(sd, REG_COMP_PR_SATURATION); 429 dump_reg(sd, REG_COMP_Y_CONTRAST); 430 dump_reg(sd, REG_COMP_PB_SATURATION); 431 dump_reg(sd, REG_COMP_Y_BRIGHTNESS); 432 dump_reg(sd, REG_AVID_START_PIXEL_LSB); 433 dump_reg(sd, REG_AVID_START_PIXEL_MSB); 434 dump_reg(sd, REG_AVID_STOP_PIXEL_LSB); 435 dump_reg(sd, REG_AVID_STOP_PIXEL_MSB); 436 dump_reg(sd, REG_HSYNC_START_PIXEL_LSB); 437 dump_reg(sd, REG_HSYNC_START_PIXEL_MSB); 438 dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB); 439 dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB); 440 dump_reg(sd, REG_VSYNC_START_LINE_LSB); 441 dump_reg(sd, REG_VSYNC_START_LINE_MSB); 442 dump_reg(sd, REG_VSYNC_STOP_LINE_LSB); 443 dump_reg(sd, REG_VSYNC_STOP_LINE_MSB); 444 dump_reg(sd, REG_VBLK_START_LINE_LSB); 445 dump_reg(sd, REG_VBLK_START_LINE_MSB); 446 dump_reg(sd, REG_VBLK_STOP_LINE_LSB); 447 dump_reg(sd, REG_VBLK_STOP_LINE_MSB); 448 dump_reg(sd, REG_SYNC_CONTROL); 449 dump_reg(sd, REG_OUTPUT_FORMATTER1); 450 dump_reg(sd, REG_OUTPUT_FORMATTER2); 451 dump_reg(sd, REG_OUTPUT_FORMATTER3); 452 dump_reg(sd, REG_OUTPUT_FORMATTER4); 453 dump_reg(sd, REG_OUTPUT_FORMATTER5); 454 dump_reg(sd, REG_OUTPUT_FORMATTER6); 455 dump_reg(sd, REG_CLEAR_LOST_LOCK); 456} 457 458/** 459 * tvp514x_configure() - Configure the TVP5146/47 registers 460 * @sd: ptr to v4l2_subdev struct 461 * @decoder: ptr to tvp514x_decoder structure 462 * 463 * Returns zero if successful, or non-zero otherwise. 464 */ 465static int tvp514x_configure(struct v4l2_subdev *sd, 466 struct tvp514x_decoder *decoder) 467{ 468 int err; 469 470 /* common register initialization */ 471 err = 472 tvp514x_write_regs(sd, decoder->tvp514x_regs); 473 if (err) 474 return err; 475 476 if (debug) 477 tvp514x_reg_dump(sd); 478 479 return 0; 480} 481 482/** 483 * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision. 484 * @sd: pointer to standard V4L2 sub-device structure 485 * @decoder: pointer to tvp514x_decoder structure 486 * 487 * A device is considered to be detected if the chip ID (LSB and MSB) 488 * registers match the expected values. 489 * Any value of the rom version register is accepted. 490 * Returns ENODEV error number if no device is detected, or zero 491 * if a device is detected. 492 */ 493static int tvp514x_detect(struct v4l2_subdev *sd, 494 struct tvp514x_decoder *decoder) 495{ 496 u8 chip_id_msb, chip_id_lsb, rom_ver; 497 struct i2c_client *client = v4l2_get_subdevdata(sd); 498 499 chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB); 500 chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB); 501 rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION); 502 503 v4l2_dbg(1, debug, sd, 504 "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", 505 chip_id_msb, chip_id_lsb, rom_ver); 506 if ((chip_id_msb != TVP514X_CHIP_ID_MSB) 507 || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) 508 && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { 509 /* We didn't read the values we expected, so this must not be 510 * an TVP5146/47. 511 */ 512 v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n", 513 chip_id_msb, chip_id_lsb); 514 return -ENODEV; 515 } 516 517 decoder->ver = rom_ver; 518 519 v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n", 520 client->name, decoder->ver, 521 client->addr << 1, client->adapter->name); 522 return 0; 523} 524 525/** 526 * tvp514x_querystd() - V4L2 decoder interface handler for querystd 527 * @sd: pointer to standard V4L2 sub-device structure 528 * @std_id: standard V4L2 std_id ioctl enum 529 * 530 * Returns the current standard detected by TVP5146/47. If no active input is 531 * detected then *std_id is set to 0 and the function returns 0. 532 */ 533static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) 534{ 535 struct tvp514x_decoder *decoder = to_decoder(sd); 536 enum tvp514x_std current_std; 537 enum tvp514x_input input_sel; 538 u8 sync_lock_status, lock_mask; 539 540 if (std_id == NULL) 541 return -EINVAL; 542 543 /* To query the standard the TVP514x must power on the ADCs. */ 544 if (!decoder->streaming) { 545 tvp514x_s_stream(sd, 1); 546 msleep(LOCK_RETRY_DELAY); 547 } 548 549 /* query the current standard */ 550 current_std = tvp514x_query_current_std(sd); 551 if (current_std == STD_INVALID) { 552 *std_id = V4L2_STD_UNKNOWN; 553 return 0; 554 } 555 556 input_sel = decoder->input; 557 558 switch (input_sel) { 559 case INPUT_CVBS_VI1A: 560 case INPUT_CVBS_VI1B: 561 case INPUT_CVBS_VI1C: 562 case INPUT_CVBS_VI2A: 563 case INPUT_CVBS_VI2B: 564 case INPUT_CVBS_VI2C: 565 case INPUT_CVBS_VI3A: 566 case INPUT_CVBS_VI3B: 567 case INPUT_CVBS_VI3C: 568 case INPUT_CVBS_VI4A: 569 lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | 570 STATUS_HORZ_SYNC_LOCK_BIT | 571 STATUS_VIRT_SYNC_LOCK_BIT; 572 break; 573 574 case INPUT_SVIDEO_VI2A_VI1A: 575 case INPUT_SVIDEO_VI2B_VI1B: 576 case INPUT_SVIDEO_VI2C_VI1C: 577 case INPUT_SVIDEO_VI2A_VI3A: 578 case INPUT_SVIDEO_VI2B_VI3B: 579 case INPUT_SVIDEO_VI2C_VI3C: 580 case INPUT_SVIDEO_VI4A_VI1A: 581 case INPUT_SVIDEO_VI4A_VI1B: 582 case INPUT_SVIDEO_VI4A_VI1C: 583 case INPUT_SVIDEO_VI4A_VI3A: 584 case INPUT_SVIDEO_VI4A_VI3B: 585 case INPUT_SVIDEO_VI4A_VI3C: 586 lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | 587 STATUS_VIRT_SYNC_LOCK_BIT; 588 break; 589 /*Need to add other interfaces*/ 590 default: 591 return -EINVAL; 592 } 593 /* check whether signal is locked */ 594 sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1); 595 if (lock_mask != (sync_lock_status & lock_mask)) { 596 *std_id = V4L2_STD_UNKNOWN; 597 return 0; /* No input detected */ 598 } 599 600 *std_id &= decoder->std_list[current_std].standard.id; 601 602 v4l2_dbg(1, debug, sd, "Current STD: %s\n", 603 decoder->std_list[current_std].standard.name); 604 return 0; 605} 606 607/** 608 * tvp514x_s_std() - V4L2 decoder interface handler for s_std 609 * @sd: pointer to standard V4L2 sub-device structure 610 * @std_id: standard V4L2 v4l2_std_id ioctl enum 611 * 612 * If std_id is supported, sets the requested standard. Otherwise, returns 613 * -EINVAL 614 */ 615static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id) 616{ 617 struct tvp514x_decoder *decoder = to_decoder(sd); 618 int err, i; 619 620 for (i = 0; i < decoder->num_stds; i++) 621 if (std_id & decoder->std_list[i].standard.id) 622 break; 623 624 if ((i == decoder->num_stds) || (i == STD_INVALID)) 625 return -EINVAL; 626 627 err = tvp514x_write_reg(sd, REG_VIDEO_STD, 628 decoder->std_list[i].video_std); 629 if (err) 630 return err; 631 632 decoder->current_std = i; 633 decoder->tvp514x_regs[REG_VIDEO_STD].val = 634 decoder->std_list[i].video_std; 635 636 v4l2_dbg(1, debug, sd, "Standard set to: %s\n", 637 decoder->std_list[i].standard.name); 638 return 0; 639} 640 641/** 642 * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing 643 * @sd: pointer to standard V4L2 sub-device structure 644 * @input: input selector for routing the signal 645 * @output: output selector for routing the signal 646 * @config: config value. Not used 647 * 648 * If index is valid, selects the requested input. Otherwise, returns -EINVAL if 649 * the input is not supported or there is no active signal present in the 650 * selected input. 651 */ 652static int tvp514x_s_routing(struct v4l2_subdev *sd, 653 u32 input, u32 output, u32 config) 654{ 655 struct tvp514x_decoder *decoder = to_decoder(sd); 656 int err; 657 enum tvp514x_input input_sel; 658 enum tvp514x_output output_sel; 659 660 if ((input >= INPUT_INVALID) || 661 (output >= OUTPUT_INVALID)) 662 /* Index out of bound */ 663 return -EINVAL; 664 665 input_sel = input; 666 output_sel = output; 667 668 err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel); 669 if (err) 670 return err; 671 672 output_sel |= tvp514x_read_reg(sd, 673 REG_OUTPUT_FORMATTER1) & 0x7; 674 err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1, 675 output_sel); 676 if (err) 677 return err; 678 679 decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel; 680 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel; 681 decoder->input = input; 682 decoder->output = output; 683 684 v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel); 685 686 return 0; 687} 688 689/** 690 * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl 691 * @ctrl: pointer to v4l2_ctrl structure 692 * 693 * If the requested control is supported, sets the control's current 694 * value in HW. Otherwise, returns -EINVAL if the control is not supported. 695 */ 696static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl) 697{ 698 struct v4l2_subdev *sd = to_sd(ctrl); 699 struct tvp514x_decoder *decoder = to_decoder(sd); 700 int err = -EINVAL, value; 701 702 value = ctrl->val; 703 704 switch (ctrl->id) { 705 case V4L2_CID_BRIGHTNESS: 706 err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value); 707 if (!err) 708 decoder->tvp514x_regs[REG_BRIGHTNESS].val = value; 709 break; 710 case V4L2_CID_CONTRAST: 711 err = tvp514x_write_reg(sd, REG_CONTRAST, value); 712 if (!err) 713 decoder->tvp514x_regs[REG_CONTRAST].val = value; 714 break; 715 case V4L2_CID_SATURATION: 716 err = tvp514x_write_reg(sd, REG_SATURATION, value); 717 if (!err) 718 decoder->tvp514x_regs[REG_SATURATION].val = value; 719 break; 720 case V4L2_CID_HUE: 721 if (value == 180) 722 value = 0x7F; 723 else if (value == -180) 724 value = 0x80; 725 err = tvp514x_write_reg(sd, REG_HUE, value); 726 if (!err) 727 decoder->tvp514x_regs[REG_HUE].val = value; 728 break; 729 case V4L2_CID_AUTOGAIN: 730 err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c); 731 if (!err) 732 decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value; 733 break; 734 } 735 736 v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n", 737 ctrl->id, ctrl->val); 738 return err; 739} 740 741static int 742tvp514x_get_frame_interval(struct v4l2_subdev *sd, 743 struct v4l2_subdev_state *sd_state, 744 struct v4l2_subdev_frame_interval *ival) 745{ 746 struct tvp514x_decoder *decoder = to_decoder(sd); 747 enum tvp514x_std current_std; 748 749 /* 750 * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2 751 * subdev active state API. 752 */ 753 if (ival->which != V4L2_SUBDEV_FORMAT_ACTIVE) 754 return -EINVAL; 755 756 /* get the current standard */ 757 current_std = decoder->current_std; 758 759 ival->interval = 760 decoder->std_list[current_std].standard.frameperiod; 761 762 return 0; 763} 764 765static int 766tvp514x_set_frame_interval(struct v4l2_subdev *sd, 767 struct v4l2_subdev_state *sd_state, 768 struct v4l2_subdev_frame_interval *ival) 769{ 770 struct tvp514x_decoder *decoder = to_decoder(sd); 771 struct v4l2_fract *timeperframe; 772 enum tvp514x_std current_std; 773 774 /* 775 * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2 776 * subdev active state API. 777 */ 778 if (ival->which != V4L2_SUBDEV_FORMAT_ACTIVE) 779 return -EINVAL; 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 */ 799static 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 849static 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 * @sd_state: subdev state 857 * @code: pointer to v4l2_subdev_mbus_code_enum structure 858 * 859 * Enumertaes mbus codes supported 860 */ 861static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd, 862 struct v4l2_subdev_state *sd_state, 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 * @sd_state: subdev state 884 * @format: pointer to v4l2_subdev_format structure 885 * 886 * Retrieves pad format which is active or tried based on requirement 887 */ 888static int tvp514x_get_pad_format(struct v4l2_subdev *sd, 889 struct v4l2_subdev_state *sd_state, 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 * @sd_state: subdev state 916 * @fmt: pointer to v4l2_subdev_format structure 917 * 918 * Set pad format for the output pad 919 */ 920static int tvp514x_set_pad_format(struct v4l2_subdev *sd, 921 struct v4l2_subdev_state *sd_state, 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 938static 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 .s_stream = tvp514x_s_stream, 943}; 944 945static const struct v4l2_subdev_pad_ops tvp514x_pad_ops = { 946 .enum_mbus_code = tvp514x_enum_mbus_code, 947 .get_fmt = tvp514x_get_pad_format, 948 .set_fmt = tvp514x_set_pad_format, 949 .get_frame_interval = tvp514x_get_frame_interval, 950 .set_frame_interval = tvp514x_set_frame_interval, 951}; 952 953static const struct v4l2_subdev_ops tvp514x_ops = { 954 .video = &tvp514x_video_ops, 955 .pad = &tvp514x_pad_ops, 956}; 957 958static 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 979static struct tvp514x_platform_data * 980tvp514x_get_pdata(struct i2c_client *client) 981{ 982 struct tvp514x_platform_data *pdata = NULL; 983 struct v4l2_fwnode_endpoint bus_cfg = { .bus_type = 0 }; 984 struct device_node *endpoint; 985 unsigned int flags; 986 987 if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) 988 return client->dev.platform_data; 989 990 endpoint = of_graph_get_endpoint_by_regs(client->dev.of_node, 0, -1); 991 if (!endpoint) 992 return NULL; 993 994 if (v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &bus_cfg)) 995 goto done; 996 997 pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); 998 if (!pdata) 999 goto done; 1000 1001 flags = bus_cfg.bus.parallel.flags; 1002 1003 if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) 1004 pdata->hs_polarity = 1; 1005 1006 if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) 1007 pdata->vs_polarity = 1; 1008 1009 if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) 1010 pdata->clk_polarity = 1; 1011 1012done: 1013 of_node_put(endpoint); 1014 return pdata; 1015} 1016 1017/** 1018 * tvp514x_probe() - decoder driver i2c probe handler 1019 * @client: i2c driver client device structure 1020 * 1021 * Register decoder as an i2c client device and V4L2 1022 * device. 1023 */ 1024static int 1025tvp514x_probe(struct i2c_client *client) 1026{ 1027 struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client); 1028 struct tvp514x_decoder *decoder; 1029 struct v4l2_subdev *sd; 1030 int ret; 1031 1032 if (pdata == NULL) { 1033 dev_err(&client->dev, "No platform data\n"); 1034 return -EINVAL; 1035 } 1036 1037 /* Check if the adapter supports the needed features */ 1038 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1039 return -EIO; 1040 1041 decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL); 1042 if (!decoder) 1043 return -ENOMEM; 1044 1045 /* Initialize the tvp514x_decoder with default configuration */ 1046 *decoder = tvp514x_dev; 1047 /* Copy default register configuration */ 1048 memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, 1049 sizeof(tvp514x_reg_list_default)); 1050 1051 decoder->int_seq = i2c_get_match_data(client); 1052 1053 /* Copy board specific information here */ 1054 decoder->pdata = pdata; 1055 1056 /** 1057 * Fetch platform specific data, and configure the 1058 * tvp514x_reg_list[] accordingly. Since this is one 1059 * time configuration, no need to preserve. 1060 */ 1061 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= 1062 (decoder->pdata->clk_polarity << 1); 1063 decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= 1064 ((decoder->pdata->hs_polarity << 2) | 1065 (decoder->pdata->vs_polarity << 3)); 1066 /* Set default standard to auto */ 1067 decoder->tvp514x_regs[REG_VIDEO_STD].val = 1068 VIDEO_STD_AUTO_SWITCH_BIT; 1069 1070 /* Register with V4L2 layer as slave device */ 1071 sd = &decoder->sd; 1072 v4l2_i2c_subdev_init(sd, client, &tvp514x_ops); 1073 1074#if defined(CONFIG_MEDIA_CONTROLLER) 1075 decoder->pad.flags = MEDIA_PAD_FL_SOURCE; 1076 decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1077 decoder->sd.entity.function = MEDIA_ENT_F_ATV_DECODER; 1078 1079 ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad); 1080 if (ret < 0) { 1081 v4l2_err(sd, "%s decoder driver failed to register !!\n", 1082 sd->name); 1083 return ret; 1084 } 1085#endif 1086 v4l2_ctrl_handler_init(&decoder->hdl, 5); 1087 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1088 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1089 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1090 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1091 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1092 V4L2_CID_SATURATION, 0, 255, 1, 128); 1093 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1094 V4L2_CID_HUE, -180, 180, 180, 0); 1095 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1096 V4L2_CID_AUTOGAIN, 0, 1, 1, 1); 1097 sd->ctrl_handler = &decoder->hdl; 1098 if (decoder->hdl.error) { 1099 ret = decoder->hdl.error; 1100 goto done; 1101 } 1102 v4l2_ctrl_handler_setup(&decoder->hdl); 1103 1104 ret = v4l2_async_register_subdev(&decoder->sd); 1105 if (!ret) 1106 v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); 1107 1108done: 1109 if (ret < 0) { 1110 v4l2_ctrl_handler_free(&decoder->hdl); 1111 media_entity_cleanup(&decoder->sd.entity); 1112 } 1113 return ret; 1114} 1115 1116/** 1117 * tvp514x_remove() - decoder driver i2c remove handler 1118 * @client: i2c driver client device structure 1119 * 1120 * Unregister decoder as an i2c client device and V4L2 1121 * device. Complement of tvp514x_probe(). 1122 */ 1123static void tvp514x_remove(struct i2c_client *client) 1124{ 1125 struct v4l2_subdev *sd = i2c_get_clientdata(client); 1126 struct tvp514x_decoder *decoder = to_decoder(sd); 1127 1128 v4l2_async_unregister_subdev(&decoder->sd); 1129 media_entity_cleanup(&decoder->sd.entity); 1130 v4l2_ctrl_handler_free(&decoder->hdl); 1131} 1132/* TVP5146 Init/Power on Sequence */ 1133static const struct tvp514x_reg tvp5146_init_reg_seq[] = { 1134 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, 1135 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1136 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, 1137 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1138 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, 1139 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1140 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, 1141 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1142 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, 1143 {TOK_WRITE, REG_OPERATION_MODE, 0x01}, 1144 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 1145 {TOK_TERM, 0, 0}, 1146}; 1147 1148/* TVP5147 Init/Power on Sequence */ 1149static const struct tvp514x_reg tvp5147_init_reg_seq[] = { 1150 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, 1151 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1152 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, 1153 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1154 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, 1155 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1156 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, 1157 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1158 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, 1159 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1160 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, 1161 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, 1162 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, 1163 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1164 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, 1165 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, 1166 {TOK_WRITE, REG_OPERATION_MODE, 0x01}, 1167 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 1168 {TOK_TERM, 0, 0}, 1169}; 1170 1171/* TVP5146M2/TVP5147M1 Init/Power on Sequence */ 1172static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { 1173 {TOK_WRITE, REG_OPERATION_MODE, 0x01}, 1174 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 1175 {TOK_TERM, 0, 0}, 1176}; 1177 1178/* 1179 * I2C Device Table - 1180 * 1181 * name - Name of the actual device/chip. 1182 * driver_data - Driver data 1183 */ 1184static const struct i2c_device_id tvp514x_id[] = { 1185 {"tvp5146", (kernel_ulong_t)tvp5146_init_reg_seq }, 1186 {"tvp5146m2", (kernel_ulong_t)tvp514xm_init_reg_seq }, 1187 {"tvp5147", (kernel_ulong_t)tvp5147_init_reg_seq }, 1188 {"tvp5147m1", (kernel_ulong_t)tvp514xm_init_reg_seq }, 1189 { /* sentinel */ } 1190}; 1191MODULE_DEVICE_TABLE(i2c, tvp514x_id); 1192 1193static const struct of_device_id tvp514x_of_match[] = { 1194 { .compatible = "ti,tvp5146", .data = tvp5146_init_reg_seq }, 1195 { .compatible = "ti,tvp5146m2", .data = tvp514xm_init_reg_seq }, 1196 { .compatible = "ti,tvp5147", .data = tvp5147_init_reg_seq }, 1197 { .compatible = "ti,tvp5147m1", .data = tvp514xm_init_reg_seq }, 1198 { /* sentinel */ } 1199}; 1200MODULE_DEVICE_TABLE(of, tvp514x_of_match); 1201 1202static struct i2c_driver tvp514x_driver = { 1203 .driver = { 1204 .of_match_table = tvp514x_of_match, 1205 .name = TVP514X_MODULE_NAME, 1206 }, 1207 .probe = tvp514x_probe, 1208 .remove = tvp514x_remove, 1209 .id_table = tvp514x_id, 1210}; 1211 1212module_i2c_driver(tvp514x_driver); 1213