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