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 }; 259 260 261 static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) 262 { 263 return container_of(sd, struct tvp514x_decoder, sd); 264 } 265 266 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 */ 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 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 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 */ 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 * @sd_state: subdev state 857 * @code: pointer to v4l2_subdev_mbus_code_enum structure 858 * 859 * Enumertaes mbus codes supported 860 */ 861 static 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 */ 888 static 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 */ 920 static 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 } 937 938 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 * 980 tvp514x_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_next_endpoint(client->dev.of_node, NULL); 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 1012 done: 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 * @id: i2c driver id table 1021 * 1022 * Register decoder as an i2c client device and V4L2 1023 * device. 1024 */ 1025 static int 1026 tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) 1027 { 1028 struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client); 1029 struct tvp514x_decoder *decoder; 1030 struct v4l2_subdev *sd; 1031 int ret; 1032 1033 if (pdata == NULL) { 1034 dev_err(&client->dev, "No platform data\n"); 1035 return -EINVAL; 1036 } 1037 1038 /* Check if the adapter supports the needed features */ 1039 if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) 1040 return -EIO; 1041 1042 decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL); 1043 if (!decoder) 1044 return -ENOMEM; 1045 1046 /* Initialize the tvp514x_decoder with default configuration */ 1047 *decoder = tvp514x_dev; 1048 /* Copy default register configuration */ 1049 memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, 1050 sizeof(tvp514x_reg_list_default)); 1051 1052 decoder->int_seq = (struct tvp514x_reg *)id->driver_data; 1053 1054 /* Copy board specific information here */ 1055 decoder->pdata = pdata; 1056 1057 /** 1058 * Fetch platform specific data, and configure the 1059 * tvp514x_reg_list[] accordingly. Since this is one 1060 * time configuration, no need to preserve. 1061 */ 1062 decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= 1063 (decoder->pdata->clk_polarity << 1); 1064 decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= 1065 ((decoder->pdata->hs_polarity << 2) | 1066 (decoder->pdata->vs_polarity << 3)); 1067 /* Set default standard to auto */ 1068 decoder->tvp514x_regs[REG_VIDEO_STD].val = 1069 VIDEO_STD_AUTO_SWITCH_BIT; 1070 1071 /* Register with V4L2 layer as slave device */ 1072 sd = &decoder->sd; 1073 v4l2_i2c_subdev_init(sd, client, &tvp514x_ops); 1074 1075 #if defined(CONFIG_MEDIA_CONTROLLER) 1076 decoder->pad.flags = MEDIA_PAD_FL_SOURCE; 1077 decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1078 decoder->sd.entity.function = MEDIA_ENT_F_ATV_DECODER; 1079 1080 ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad); 1081 if (ret < 0) { 1082 v4l2_err(sd, "%s decoder driver failed to register !!\n", 1083 sd->name); 1084 return ret; 1085 } 1086 #endif 1087 v4l2_ctrl_handler_init(&decoder->hdl, 5); 1088 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1089 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1090 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1091 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1092 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1093 V4L2_CID_SATURATION, 0, 255, 1, 128); 1094 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1095 V4L2_CID_HUE, -180, 180, 180, 0); 1096 v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, 1097 V4L2_CID_AUTOGAIN, 0, 1, 1, 1); 1098 sd->ctrl_handler = &decoder->hdl; 1099 if (decoder->hdl.error) { 1100 ret = decoder->hdl.error; 1101 goto done; 1102 } 1103 v4l2_ctrl_handler_setup(&decoder->hdl); 1104 1105 ret = v4l2_async_register_subdev(&decoder->sd); 1106 if (!ret) 1107 v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); 1108 1109 done: 1110 if (ret < 0) { 1111 v4l2_ctrl_handler_free(&decoder->hdl); 1112 media_entity_cleanup(&decoder->sd.entity); 1113 } 1114 return ret; 1115 } 1116 1117 /** 1118 * tvp514x_remove() - decoder driver i2c remove handler 1119 * @client: i2c driver client device structure 1120 * 1121 * Unregister decoder as an i2c client device and V4L2 1122 * device. Complement of tvp514x_probe(). 1123 */ 1124 static void tvp514x_remove(struct i2c_client *client) 1125 { 1126 struct v4l2_subdev *sd = i2c_get_clientdata(client); 1127 struct tvp514x_decoder *decoder = to_decoder(sd); 1128 1129 v4l2_async_unregister_subdev(&decoder->sd); 1130 media_entity_cleanup(&decoder->sd.entity); 1131 v4l2_ctrl_handler_free(&decoder->hdl); 1132 } 1133 /* TVP5146 Init/Power on Sequence */ 1134 static const struct tvp514x_reg tvp5146_init_reg_seq[] = { 1135 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, 1136 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1137 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, 1138 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1139 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, 1140 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1141 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, 1142 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1143 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, 1144 {TOK_WRITE, REG_OPERATION_MODE, 0x01}, 1145 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 1146 {TOK_TERM, 0, 0}, 1147 }; 1148 1149 /* TVP5147 Init/Power on Sequence */ 1150 static const struct tvp514x_reg tvp5147_init_reg_seq[] = { 1151 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, 1152 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1153 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, 1154 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1155 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, 1156 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1157 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, 1158 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, 1159 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, 1160 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1161 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, 1162 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, 1163 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, 1164 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, 1165 {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, 1166 {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, 1167 {TOK_WRITE, REG_OPERATION_MODE, 0x01}, 1168 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 1169 {TOK_TERM, 0, 0}, 1170 }; 1171 1172 /* TVP5146M2/TVP5147M1 Init/Power on Sequence */ 1173 static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { 1174 {TOK_WRITE, REG_OPERATION_MODE, 0x01}, 1175 {TOK_WRITE, REG_OPERATION_MODE, 0x00}, 1176 {TOK_TERM, 0, 0}, 1177 }; 1178 1179 /* 1180 * I2C Device Table - 1181 * 1182 * name - Name of the actual device/chip. 1183 * driver_data - Driver data 1184 */ 1185 static const struct i2c_device_id tvp514x_id[] = { 1186 {"tvp5146", (unsigned long)tvp5146_init_reg_seq}, 1187 {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq}, 1188 {"tvp5147", (unsigned long)tvp5147_init_reg_seq}, 1189 {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq}, 1190 {}, 1191 }; 1192 1193 MODULE_DEVICE_TABLE(i2c, tvp514x_id); 1194 1195 #if IS_ENABLED(CONFIG_OF) 1196 static const struct of_device_id tvp514x_of_match[] = { 1197 { .compatible = "ti,tvp5146", }, 1198 { .compatible = "ti,tvp5146m2", }, 1199 { .compatible = "ti,tvp5147", }, 1200 { .compatible = "ti,tvp5147m1", }, 1201 { /* sentinel */ }, 1202 }; 1203 MODULE_DEVICE_TABLE(of, tvp514x_of_match); 1204 #endif 1205 1206 static struct i2c_driver tvp514x_driver = { 1207 .driver = { 1208 .of_match_table = of_match_ptr(tvp514x_of_match), 1209 .name = TVP514X_MODULE_NAME, 1210 }, 1211 .probe = tvp514x_probe, 1212 .remove = tvp514x_remove, 1213 .id_table = tvp514x_id, 1214 }; 1215 1216 module_i2c_driver(tvp514x_driver); 1217