1/* 2 * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver 3 * 4 * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org) 5 * This code is placed under the terms of the GNU General Public License v2 6 */ 7 8#include <linux/i2c.h> 9#include <linux/slab.h> 10#include <linux/videodev2.h> 11#include <linux/delay.h> 12#include <media/v4l2-device.h> 13#include <media/tvp5150.h> 14#include <media/v4l2-i2c-drv.h> 15#include <media/v4l2-chip-ident.h> 16 17#include "tvp5150_reg.h" 18 19MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver"); 20MODULE_AUTHOR("Mauro Carvalho Chehab"); 21MODULE_LICENSE("GPL"); 22 23 24static int debug; 25module_param(debug, int, 0); 26MODULE_PARM_DESC(debug, "Debug level (0-2)"); 27 28/* supported controls */ 29static struct v4l2_queryctrl tvp5150_qctrl[] = { 30 { 31 .id = V4L2_CID_BRIGHTNESS, 32 .type = V4L2_CTRL_TYPE_INTEGER, 33 .name = "Brightness", 34 .minimum = 0, 35 .maximum = 255, 36 .step = 1, 37 .default_value = 128, 38 .flags = 0, 39 }, { 40 .id = V4L2_CID_CONTRAST, 41 .type = V4L2_CTRL_TYPE_INTEGER, 42 .name = "Contrast", 43 .minimum = 0, 44 .maximum = 255, 45 .step = 0x1, 46 .default_value = 128, 47 .flags = 0, 48 }, { 49 .id = V4L2_CID_SATURATION, 50 .type = V4L2_CTRL_TYPE_INTEGER, 51 .name = "Saturation", 52 .minimum = 0, 53 .maximum = 255, 54 .step = 0x1, 55 .default_value = 128, 56 .flags = 0, 57 }, { 58 .id = V4L2_CID_HUE, 59 .type = V4L2_CTRL_TYPE_INTEGER, 60 .name = "Hue", 61 .minimum = -128, 62 .maximum = 127, 63 .step = 0x1, 64 .default_value = 0, 65 .flags = 0, 66 } 67}; 68 69struct tvp5150 { 70 struct v4l2_subdev sd; 71 72 v4l2_std_id norm; /* Current set standard */ 73 u32 input; 74 u32 output; 75 int enable; 76 int bright; 77 int contrast; 78 int hue; 79 int sat; 80}; 81 82static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 83{ 84 return container_of(sd, struct tvp5150, sd); 85} 86 87static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 88{ 89 struct i2c_client *c = v4l2_get_subdevdata(sd); 90 unsigned char buffer[1]; 91 int rc; 92 93 buffer[0] = addr; 94 if (1 != (rc = i2c_master_send(c, buffer, 1))) 95 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc); 96 97 msleep(10); 98 99 if (1 != (rc = i2c_master_recv(c, buffer, 1))) 100 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc); 101 102 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]); 103 104 return (buffer[0]); 105} 106 107static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 108 unsigned char value) 109{ 110 struct i2c_client *c = v4l2_get_subdevdata(sd); 111 unsigned char buffer[2]; 112 int rc; 113 114 buffer[0] = addr; 115 buffer[1] = value; 116 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]); 117 if (2 != (rc = i2c_master_send(c, buffer, 2))) 118 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc); 119} 120 121static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 122 const u8 end, int max_line) 123{ 124 int i = 0; 125 126 while (init != (u8)(end + 1)) { 127 if ((i % max_line) == 0) { 128 if (i > 0) 129 printk("\n"); 130 printk("tvp5150: %s reg 0x%02x = ", s, init); 131 } 132 printk("%02x ", tvp5150_read(sd, init)); 133 134 init++; 135 i++; 136 } 137 printk("\n"); 138} 139 140static int tvp5150_log_status(struct v4l2_subdev *sd) 141{ 142 printk("tvp5150: Video input source selection #1 = 0x%02x\n", 143 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 144 printk("tvp5150: Analog channel controls = 0x%02x\n", 145 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 146 printk("tvp5150: Operation mode controls = 0x%02x\n", 147 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 148 printk("tvp5150: Miscellaneous controls = 0x%02x\n", 149 tvp5150_read(sd, TVP5150_MISC_CTL)); 150 printk("tvp5150: Autoswitch mask= 0x%02x\n", 151 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 152 printk("tvp5150: Color killer threshold control = 0x%02x\n", 153 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 154 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 155 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 156 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 157 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 158 printk("tvp5150: Brightness control = 0x%02x\n", 159 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 160 printk("tvp5150: Color saturation control = 0x%02x\n", 161 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 162 printk("tvp5150: Hue control = 0x%02x\n", 163 tvp5150_read(sd, TVP5150_HUE_CTL)); 164 printk("tvp5150: Contrast control = 0x%02x\n", 165 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 166 printk("tvp5150: Outputs and data rates select = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 168 printk("tvp5150: Configuration shared pins = 0x%02x\n", 169 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 170 printk("tvp5150: Active video cropping start = 0x%02x%02x\n", 171 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 172 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 173 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", 174 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 175 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 176 printk("tvp5150: Genlock/RTC = 0x%02x\n", 177 tvp5150_read(sd, TVP5150_GENLOCK)); 178 printk("tvp5150: Horizontal sync start = 0x%02x\n", 179 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 180 printk("tvp5150: Vertical blanking start = 0x%02x\n", 181 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 182 printk("tvp5150: Vertical blanking stop = 0x%02x\n", 183 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 184 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 185 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 186 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 187 printk("tvp5150: Interrupt reset register B = 0x%02x\n", 188 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 189 printk("tvp5150: Interrupt enable register B = 0x%02x\n", 190 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 191 printk("tvp5150: Interrupt configuration register B = 0x%02x\n", 192 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 193 printk("tvp5150: Video standard = 0x%02x\n", 194 tvp5150_read(sd, TVP5150_VIDEO_STD)); 195 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 196 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 197 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 198 printk("tvp5150: Macrovision on counter = 0x%02x\n", 199 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 200 printk("tvp5150: Macrovision off counter = 0x%02x\n", 201 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 202 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 203 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 204 printk("tvp5150: Device ID = %02x%02x\n", 205 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 206 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 207 printk("tvp5150: ROM version = (hex) %02x.%02x\n", 208 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 209 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 210 printk("tvp5150: Vertical line count = 0x%02x%02x\n", 211 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 212 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 213 printk("tvp5150: Interrupt status register B = 0x%02x\n", 214 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 215 printk("tvp5150: Interrupt active register B = 0x%02x\n", 216 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 217 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 218 tvp5150_read(sd, TVP5150_STATUS_REG_1), 219 tvp5150_read(sd, TVP5150_STATUS_REG_2), 220 tvp5150_read(sd, TVP5150_STATUS_REG_3), 221 tvp5150_read(sd, TVP5150_STATUS_REG_4), 222 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 223 224 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 225 TVP5150_TELETEXT_FIL1_END, 8); 226 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 227 TVP5150_TELETEXT_FIL2_END, 8); 228 229 printk("tvp5150: Teletext filter enable = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 231 printk("tvp5150: Interrupt status register A = 0x%02x\n", 232 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 233 printk("tvp5150: Interrupt enable register A = 0x%02x\n", 234 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 235 printk("tvp5150: Interrupt configuration = 0x%02x\n", 236 tvp5150_read(sd, TVP5150_INT_CONF)); 237 printk("tvp5150: VDP status register = 0x%02x\n", 238 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 239 printk("tvp5150: FIFO word count = 0x%02x\n", 240 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 241 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", 242 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 243 printk("tvp5150: FIFO reset = 0x%02x\n", 244 tvp5150_read(sd, TVP5150_FIFO_RESET)); 245 printk("tvp5150: Line number interrupt = 0x%02x\n", 246 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 247 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", 248 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 249 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 250 printk("tvp5150: FIFO output control = 0x%02x\n", 251 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 252 printk("tvp5150: Full field enable = 0x%02x\n", 253 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 254 printk("tvp5150: Full field mode register = 0x%02x\n", 255 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 256 257 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 258 TVP5150_CC_DATA_END, 8); 259 260 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 261 TVP5150_WSS_DATA_END, 8); 262 263 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 264 TVP5150_VPS_DATA_END, 8); 265 266 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 267 TVP5150_VITC_DATA_END, 10); 268 269 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 270 TVP5150_LINE_MODE_END, 8); 271 return 0; 272} 273 274/**************************************************************************** 275 Basic functions 276 ****************************************************************************/ 277 278static inline void tvp5150_selmux(struct v4l2_subdev *sd) 279{ 280 int opmode=0; 281 struct tvp5150 *decoder = to_tvp5150(sd); 282 int input = 0; 283 unsigned char val; 284 285 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable) 286 input = 8; 287 288 switch (decoder->input) { 289 case TVP5150_COMPOSITE1: 290 input |= 2; 291 /* fall through */ 292 case TVP5150_COMPOSITE0: 293 opmode=0x30; /* TV Mode */ 294 break; 295 case TVP5150_SVIDEO: 296 default: 297 input |= 1; 298 opmode=0; /* Auto Mode */ 299 break; 300 } 301 302 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 303 "=> tvp5150 input=%i, opmode=%i\n", 304 decoder->input, decoder->output, 305 input, opmode); 306 307 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 308 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 309 310 /* Svideo should enable YCrCb output and disable GPCL output 311 * For Composite and TV, it should be the reverse 312 */ 313 val = tvp5150_read(sd, TVP5150_MISC_CTL); 314 if (decoder->input == TVP5150_SVIDEO) 315 val = (val & ~0x40) | 0x10; 316 else 317 val = (val & ~0x10) | 0x40; 318 tvp5150_write(sd, TVP5150_MISC_CTL, val); 319}; 320 321struct i2c_reg_value { 322 unsigned char reg; 323 unsigned char value; 324}; 325 326/* Default values as sugested at TVP5150AM1 datasheet */ 327static const struct i2c_reg_value tvp5150_init_default[] = { 328 { /* 0x00 */ 329 TVP5150_VD_IN_SRC_SEL_1,0x00 330 }, 331 { /* 0x01 */ 332 TVP5150_ANAL_CHL_CTL,0x15 333 }, 334 { /* 0x02 */ 335 TVP5150_OP_MODE_CTL,0x00 336 }, 337 { /* 0x03 */ 338 TVP5150_MISC_CTL,0x01 339 }, 340 { /* 0x06 */ 341 TVP5150_COLOR_KIL_THSH_CTL,0x10 342 }, 343 { /* 0x07 */ 344 TVP5150_LUMA_PROC_CTL_1,0x60 345 }, 346 { /* 0x08 */ 347 TVP5150_LUMA_PROC_CTL_2,0x00 348 }, 349 { /* 0x09 */ 350 TVP5150_BRIGHT_CTL,0x80 351 }, 352 { /* 0x0a */ 353 TVP5150_SATURATION_CTL,0x80 354 }, 355 { /* 0x0b */ 356 TVP5150_HUE_CTL,0x00 357 }, 358 { /* 0x0c */ 359 TVP5150_CONTRAST_CTL,0x80 360 }, 361 { /* 0x0d */ 362 TVP5150_DATA_RATE_SEL,0x47 363 }, 364 { /* 0x0e */ 365 TVP5150_LUMA_PROC_CTL_3,0x00 366 }, 367 { /* 0x0f */ 368 TVP5150_CONF_SHARED_PIN,0x08 369 }, 370 { /* 0x11 */ 371 TVP5150_ACT_VD_CROP_ST_MSB,0x00 372 }, 373 { /* 0x12 */ 374 TVP5150_ACT_VD_CROP_ST_LSB,0x00 375 }, 376 { /* 0x13 */ 377 TVP5150_ACT_VD_CROP_STP_MSB,0x00 378 }, 379 { /* 0x14 */ 380 TVP5150_ACT_VD_CROP_STP_LSB,0x00 381 }, 382 { /* 0x15 */ 383 TVP5150_GENLOCK,0x01 384 }, 385 { /* 0x16 */ 386 TVP5150_HORIZ_SYNC_START,0x80 387 }, 388 { /* 0x18 */ 389 TVP5150_VERT_BLANKING_START,0x00 390 }, 391 { /* 0x19 */ 392 TVP5150_VERT_BLANKING_STOP,0x00 393 }, 394 { /* 0x1a */ 395 TVP5150_CHROMA_PROC_CTL_1,0x0c 396 }, 397 { /* 0x1b */ 398 TVP5150_CHROMA_PROC_CTL_2,0x14 399 }, 400 { /* 0x1c */ 401 TVP5150_INT_RESET_REG_B,0x00 402 }, 403 { /* 0x1d */ 404 TVP5150_INT_ENABLE_REG_B,0x00 405 }, 406 { /* 0x1e */ 407 TVP5150_INTT_CONFIG_REG_B,0x00 408 }, 409 { /* 0x28 */ 410 TVP5150_VIDEO_STD,0x00 411 }, 412 { /* 0x2e */ 413 TVP5150_MACROVISION_ON_CTR,0x0f 414 }, 415 { /* 0x2f */ 416 TVP5150_MACROVISION_OFF_CTR,0x01 417 }, 418 { /* 0xbb */ 419 TVP5150_TELETEXT_FIL_ENA,0x00 420 }, 421 { /* 0xc0 */ 422 TVP5150_INT_STATUS_REG_A,0x00 423 }, 424 { /* 0xc1 */ 425 TVP5150_INT_ENABLE_REG_A,0x00 426 }, 427 { /* 0xc2 */ 428 TVP5150_INT_CONF,0x04 429 }, 430 { /* 0xc8 */ 431 TVP5150_FIFO_INT_THRESHOLD,0x80 432 }, 433 { /* 0xc9 */ 434 TVP5150_FIFO_RESET,0x00 435 }, 436 { /* 0xca */ 437 TVP5150_LINE_NUMBER_INT,0x00 438 }, 439 { /* 0xcb */ 440 TVP5150_PIX_ALIGN_REG_LOW,0x4e 441 }, 442 { /* 0xcc */ 443 TVP5150_PIX_ALIGN_REG_HIGH,0x00 444 }, 445 { /* 0xcd */ 446 TVP5150_FIFO_OUT_CTRL,0x01 447 }, 448 { /* 0xcf */ 449 TVP5150_FULL_FIELD_ENA,0x00 450 }, 451 { /* 0xd0 */ 452 TVP5150_LINE_MODE_INI,0x00 453 }, 454 { /* 0xfc */ 455 TVP5150_FULL_FIELD_MODE_REG,0x7f 456 }, 457 { /* end of data */ 458 0xff,0xff 459 } 460}; 461 462/* Default values as sugested at TVP5150AM1 datasheet */ 463static const struct i2c_reg_value tvp5150_init_enable[] = { 464 { 465 TVP5150_CONF_SHARED_PIN, 2 466 },{ /* Automatic offset and AGC enabled */ 467 TVP5150_ANAL_CHL_CTL, 0x15 468 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 469 TVP5150_MISC_CTL, 0x6f 470 },{ /* Activates video std autodetection for all standards */ 471 TVP5150_AUTOSW_MSK, 0x0 472 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 473 TVP5150_DATA_RATE_SEL, 0x47 474 },{ 475 TVP5150_CHROMA_PROC_CTL_1, 0x0c 476 },{ 477 TVP5150_CHROMA_PROC_CTL_2, 0x54 478 },{ /* Non documented, but initialized on WinTV USB2 */ 479 0x27, 0x20 480 },{ 481 0xff,0xff 482 } 483}; 484 485struct tvp5150_vbi_type { 486 unsigned int vbi_type; 487 unsigned int ini_line; 488 unsigned int end_line; 489 unsigned int by_field :1; 490}; 491 492struct i2c_vbi_ram_value { 493 u16 reg; 494 struct tvp5150_vbi_type type; 495 unsigned char values[16]; 496}; 497 498/* This struct have the values for each supported VBI Standard 499 * by 500 tvp5150_vbi_types should follow the same order as vbi_ram_default 501 * value 0 means rom position 0x10, value 1 means rom position 0x30 502 * and so on. There are 16 possible locations from 0 to 15. 503 */ 504 505static struct i2c_vbi_ram_value vbi_ram_default[] = 506{ 507 {0x030, /* Teletext, PAL, WST System B */ 508 {V4L2_SLICED_TELETEXT_B,6,22,1}, 509 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 510 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 511 }, 512 {0x0f0, /* Closed Caption, NTSC */ 513 {V4L2_SLICED_CAPTION_525,21,21,1}, 514 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 515 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 516 }, 517 {0x110, /* Wide Screen Signal, PAL/SECAM */ 518 {V4L2_SLICED_WSS_625,23,23,1}, 519 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 520 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 521 }, 522 {0x190, /* Video Program System (VPS), PAL */ 523 {V4L2_SLICED_VPS,16,16,0}, 524 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 525 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 526 }, 527 /* 0x1d0 User programmable */ 528 529 /* End of struct */ 530 { (u16)-1 } 531}; 532 533static int tvp5150_write_inittab(struct v4l2_subdev *sd, 534 const struct i2c_reg_value *regs) 535{ 536 while (regs->reg != 0xff) { 537 tvp5150_write(sd, regs->reg, regs->value); 538 regs++; 539 } 540 return 0; 541} 542 543static int tvp5150_vdp_init(struct v4l2_subdev *sd, 544 const struct i2c_vbi_ram_value *regs) 545{ 546 unsigned int i; 547 548 /* Disable Full Field */ 549 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 550 551 /* Before programming, Line mode should be at 0xff */ 552 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 553 tvp5150_write(sd, i, 0xff); 554 555 /* Load Ram Table */ 556 while (regs->reg != (u16)-1) { 557 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 558 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 559 560 for (i = 0; i < 16; i++) 561 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 562 563 regs++; 564 } 565 return 0; 566} 567 568/* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 569static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 570 struct v4l2_sliced_vbi_cap *cap) 571{ 572 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 573 int line; 574 575 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 576 memset(cap, 0, sizeof *cap); 577 578 while (regs->reg != (u16)-1 ) { 579 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 580 cap->service_lines[0][line] |= regs->type.vbi_type; 581 } 582 cap->service_set |= regs->type.vbi_type; 583 584 regs++; 585 } 586 return 0; 587} 588 589/* Set vbi processing 590 * type - one of tvp5150_vbi_types 591 * line - line to gather data 592 * fields: bit 0 field1, bit 1, field2 593 * flags (default=0xf0) is a bitmask, were set means: 594 * bit 7: enable filtering null bytes on CC 595 * bit 6: send data also to FIFO 596 * bit 5: don't allow data with errors on FIFO 597 * bit 4: enable ECC when possible 598 * pix_align = pix alignment: 599 * LSB = field1 600 * MSB = field2 601 */ 602static int tvp5150_set_vbi(struct v4l2_subdev *sd, 603 const struct i2c_vbi_ram_value *regs, 604 unsigned int type,u8 flags, int line, 605 const int fields) 606{ 607 struct tvp5150 *decoder = to_tvp5150(sd); 608 v4l2_std_id std = decoder->norm; 609 u8 reg; 610 int pos=0; 611 612 if (std == V4L2_STD_ALL) { 613 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 614 return 0; 615 } else if (std & V4L2_STD_625_50) { 616 /* Don't follow NTSC Line number convension */ 617 line += 3; 618 } 619 620 if (line<6||line>27) 621 return 0; 622 623 while (regs->reg != (u16)-1 ) { 624 if ((type & regs->type.vbi_type) && 625 (line>=regs->type.ini_line) && 626 (line<=regs->type.end_line)) { 627 type=regs->type.vbi_type; 628 break; 629 } 630 631 regs++; 632 pos++; 633 } 634 if (regs->reg == (u16)-1) 635 return 0; 636 637 type=pos | (flags & 0xf0); 638 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 639 640 if (fields&1) { 641 tvp5150_write(sd, reg, type); 642 } 643 644 if (fields&2) { 645 tvp5150_write(sd, reg+1, type); 646 } 647 648 return type; 649} 650 651static int tvp5150_get_vbi(struct v4l2_subdev *sd, 652 const struct i2c_vbi_ram_value *regs, int line) 653{ 654 struct tvp5150 *decoder = to_tvp5150(sd); 655 v4l2_std_id std = decoder->norm; 656 u8 reg; 657 int pos, type = 0; 658 659 if (std == V4L2_STD_ALL) { 660 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 661 return 0; 662 } else if (std & V4L2_STD_625_50) { 663 /* Don't follow NTSC Line number convension */ 664 line += 3; 665 } 666 667 if (line < 6 || line > 27) 668 return 0; 669 670 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 671 672 pos = tvp5150_read(sd, reg) & 0x0f; 673 if (pos < 0x0f) 674 type = regs[pos].type.vbi_type; 675 676 pos = tvp5150_read(sd, reg + 1) & 0x0f; 677 if (pos < 0x0f) 678 type |= regs[pos].type.vbi_type; 679 680 return type; 681} 682 683static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 684{ 685 struct tvp5150 *decoder = to_tvp5150(sd); 686 int fmt = 0; 687 688 decoder->norm = std; 689 690 /* First tests should be against specific std */ 691 692 if (std == V4L2_STD_ALL) { 693 fmt = 0; /* Autodetect mode */ 694 } else if (std & V4L2_STD_NTSC_443) { 695 fmt = 0xa; 696 } else if (std & V4L2_STD_PAL_M) { 697 fmt = 0x6; 698 } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) { 699 fmt = 0x8; 700 } else { 701 /* Then, test against generic ones */ 702 if (std & V4L2_STD_NTSC) 703 fmt = 0x2; 704 else if (std & V4L2_STD_PAL) 705 fmt = 0x4; 706 else if (std & V4L2_STD_SECAM) 707 fmt = 0xc; 708 } 709 710 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 711 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 712 return 0; 713} 714 715static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 716{ 717 struct tvp5150 *decoder = to_tvp5150(sd); 718 719 if (decoder->norm == std) 720 return 0; 721 722 return tvp5150_set_std(sd, std); 723} 724 725static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 726{ 727 struct tvp5150 *decoder = to_tvp5150(sd); 728 u8 msb_id, lsb_id, msb_rom, lsb_rom; 729 730 msb_id = tvp5150_read(sd, TVP5150_MSB_DEV_ID); 731 lsb_id = tvp5150_read(sd, TVP5150_LSB_DEV_ID); 732 msb_rom = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER); 733 lsb_rom = tvp5150_read(sd, TVP5150_ROM_MINOR_VER); 734 735 if (msb_rom == 4 && lsb_rom == 0) { /* Is TVP5150AM1 */ 736 v4l2_info(sd, "tvp%02x%02xam1 detected.\n", msb_id, lsb_id); 737 738 /* ITU-T BT.656.4 timing */ 739 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 740 } else { 741 if (msb_rom == 3 || lsb_rom == 0x21) { /* Is TVP5150A */ 742 v4l2_info(sd, "tvp%02x%02xa detected.\n", msb_id, lsb_id); 743 } else { 744 v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n", 745 msb_id, lsb_id); 746 v4l2_info(sd, "*** Rom ver is %d.%d\n", msb_rom, lsb_rom); 747 } 748 } 749 750 /* Initializes TVP5150 to its default values */ 751 tvp5150_write_inittab(sd, tvp5150_init_default); 752 753 /* Initializes VDP registers */ 754 tvp5150_vdp_init(sd, vbi_ram_default); 755 756 /* Selects decoder input */ 757 tvp5150_selmux(sd); 758 759 /* Initializes TVP5150 to stream enabled values */ 760 tvp5150_write_inittab(sd, tvp5150_init_enable); 761 762 /* Initialize image preferences */ 763 tvp5150_write(sd, TVP5150_BRIGHT_CTL, decoder->bright); 764 tvp5150_write(sd, TVP5150_CONTRAST_CTL, decoder->contrast); 765 tvp5150_write(sd, TVP5150_SATURATION_CTL, decoder->contrast); 766 tvp5150_write(sd, TVP5150_HUE_CTL, decoder->hue); 767 768 tvp5150_set_std(sd, decoder->norm); 769 return 0; 770}; 771 772static int tvp5150_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) 773{ 774 v4l2_dbg(1, debug, sd, "g_ctrl called\n"); 775 776 switch (ctrl->id) { 777 case V4L2_CID_BRIGHTNESS: 778 ctrl->value = tvp5150_read(sd, TVP5150_BRIGHT_CTL); 779 return 0; 780 case V4L2_CID_CONTRAST: 781 ctrl->value = tvp5150_read(sd, TVP5150_CONTRAST_CTL); 782 return 0; 783 case V4L2_CID_SATURATION: 784 ctrl->value = tvp5150_read(sd, TVP5150_SATURATION_CTL); 785 return 0; 786 case V4L2_CID_HUE: 787 ctrl->value = tvp5150_read(sd, TVP5150_HUE_CTL); 788 return 0; 789 } 790 return -EINVAL; 791} 792 793static int tvp5150_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) 794{ 795 u8 i, n; 796 n = ARRAY_SIZE(tvp5150_qctrl); 797 798 for (i = 0; i < n; i++) { 799 if (ctrl->id != tvp5150_qctrl[i].id) 800 continue; 801 if (ctrl->value < tvp5150_qctrl[i].minimum || 802 ctrl->value > tvp5150_qctrl[i].maximum) 803 return -ERANGE; 804 v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n", 805 ctrl->id, ctrl->value); 806 break; 807 } 808 809 switch (ctrl->id) { 810 case V4L2_CID_BRIGHTNESS: 811 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->value); 812 return 0; 813 case V4L2_CID_CONTRAST: 814 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->value); 815 return 0; 816 case V4L2_CID_SATURATION: 817 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->value); 818 return 0; 819 case V4L2_CID_HUE: 820 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->value); 821 return 0; 822 } 823 return -EINVAL; 824} 825 826/**************************************************************************** 827 I2C Command 828 ****************************************************************************/ 829 830static int tvp5150_s_routing(struct v4l2_subdev *sd, 831 u32 input, u32 output, u32 config) 832{ 833 struct tvp5150 *decoder = to_tvp5150(sd); 834 835 decoder->input = input; 836 decoder->output = output; 837 tvp5150_selmux(sd); 838 return 0; 839} 840 841static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 842{ 843 /* this is for capturing 36 raw vbi lines 844 if there's a way to cut off the beginning 2 vbi lines 845 with the tvp5150 then the vbi line count could be lowered 846 to 17 lines/field again, although I couldn't find a register 847 which could do that cropping */ 848 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 849 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 850 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 851 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 852 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 853 } 854 return 0; 855} 856 857static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 858{ 859 int i; 860 861 if (svbi->service_set != 0) { 862 for (i = 0; i <= 23; i++) { 863 svbi->service_lines[1][i] = 0; 864 svbi->service_lines[0][i] = 865 tvp5150_set_vbi(sd, vbi_ram_default, 866 svbi->service_lines[0][i], 0xf0, i, 3); 867 } 868 /* Enables FIFO */ 869 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 870 } else { 871 /* Disables FIFO*/ 872 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 873 874 /* Disable Full Field */ 875 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 876 877 /* Disable Line modes */ 878 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 879 tvp5150_write(sd, i, 0xff); 880 } 881 return 0; 882} 883 884static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 885{ 886 int i, mask = 0; 887 888 memset(svbi, 0, sizeof(*svbi)); 889 890 for (i = 0; i <= 23; i++) { 891 svbi->service_lines[0][i] = 892 tvp5150_get_vbi(sd, vbi_ram_default, i); 893 mask |= svbi->service_lines[0][i]; 894 } 895 svbi->service_set = mask; 896 return 0; 897} 898 899static int tvp5150_g_chip_ident(struct v4l2_subdev *sd, 900 struct v4l2_dbg_chip_ident *chip) 901{ 902 int rev; 903 struct i2c_client *client = v4l2_get_subdevdata(sd); 904 905 rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 | 906 tvp5150_read(sd, TVP5150_ROM_MINOR_VER); 907 908 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150, 909 rev); 910} 911 912 913#ifdef CONFIG_VIDEO_ADV_DEBUG 914static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 915{ 916 struct i2c_client *client = v4l2_get_subdevdata(sd); 917 918 if (!v4l2_chip_match_i2c_client(client, ®->match)) 919 return -EINVAL; 920 if (!capable(CAP_SYS_ADMIN)) 921 return -EPERM; 922 reg->val = tvp5150_read(sd, reg->reg & 0xff); 923 reg->size = 1; 924 return 0; 925} 926 927static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 928{ 929 struct i2c_client *client = v4l2_get_subdevdata(sd); 930 931 if (!v4l2_chip_match_i2c_client(client, ®->match)) 932 return -EINVAL; 933 if (!capable(CAP_SYS_ADMIN)) 934 return -EPERM; 935 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 936 return 0; 937} 938#endif 939 940static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 941{ 942 int status = tvp5150_read(sd, 0x88); 943 944 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 945 return 0; 946} 947 948static int tvp5150_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) 949{ 950 int i; 951 952 v4l2_dbg(1, debug, sd, "queryctrl called\n"); 953 954 for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++) 955 if (qc->id && qc->id == tvp5150_qctrl[i].id) { 956 memcpy(qc, &(tvp5150_qctrl[i]), 957 sizeof(*qc)); 958 return 0; 959 } 960 961 return -EINVAL; 962} 963 964/* ----------------------------------------------------------------------- */ 965 966static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 967 .log_status = tvp5150_log_status, 968 .g_ctrl = tvp5150_g_ctrl, 969 .s_ctrl = tvp5150_s_ctrl, 970 .queryctrl = tvp5150_queryctrl, 971 .s_std = tvp5150_s_std, 972 .reset = tvp5150_reset, 973 .g_chip_ident = tvp5150_g_chip_ident, 974#ifdef CONFIG_VIDEO_ADV_DEBUG 975 .g_register = tvp5150_g_register, 976 .s_register = tvp5150_s_register, 977#endif 978}; 979 980static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 981 .g_tuner = tvp5150_g_tuner, 982}; 983 984static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 985 .s_routing = tvp5150_s_routing, 986}; 987 988static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 989 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 990 .g_sliced_fmt = tvp5150_g_sliced_fmt, 991 .s_sliced_fmt = tvp5150_s_sliced_fmt, 992 .s_raw_fmt = tvp5150_s_raw_fmt, 993}; 994 995static const struct v4l2_subdev_ops tvp5150_ops = { 996 .core = &tvp5150_core_ops, 997 .tuner = &tvp5150_tuner_ops, 998 .video = &tvp5150_video_ops, 999 .vbi = &tvp5150_vbi_ops, 1000}; 1001 1002 1003/**************************************************************************** 1004 I2C Client & Driver 1005 ****************************************************************************/ 1006 1007static int tvp5150_probe(struct i2c_client *c, 1008 const struct i2c_device_id *id) 1009{ 1010 struct tvp5150 *core; 1011 struct v4l2_subdev *sd; 1012 1013 /* Check if the adapter supports the needed features */ 1014 if (!i2c_check_functionality(c->adapter, 1015 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1016 return -EIO; 1017 1018 core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL); 1019 if (!core) { 1020 return -ENOMEM; 1021 } 1022 sd = &core->sd; 1023 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1024 v4l_info(c, "chip found @ 0x%02x (%s)\n", 1025 c->addr << 1, c->adapter->name); 1026 1027 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1028 core->input = TVP5150_COMPOSITE1; 1029 core->enable = 1; 1030 core->bright = 128; 1031 core->contrast = 128; 1032 core->hue = 0; 1033 core->sat = 128; 1034 1035 if (debug > 1) 1036 tvp5150_log_status(sd); 1037 return 0; 1038} 1039 1040static int tvp5150_remove(struct i2c_client *c) 1041{ 1042 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1043 1044 v4l2_dbg(1, debug, sd, 1045 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1046 c->addr << 1); 1047 1048 v4l2_device_unregister_subdev(sd); 1049 kfree(to_tvp5150(sd)); 1050 return 0; 1051} 1052 1053/* ----------------------------------------------------------------------- */ 1054 1055static const struct i2c_device_id tvp5150_id[] = { 1056 { "tvp5150", 0 }, 1057 { } 1058}; 1059MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1060 1061static struct v4l2_i2c_driver_data v4l2_i2c_data = { 1062 .name = "tvp5150", 1063 .probe = tvp5150_probe, 1064 .remove = tvp5150_remove, 1065 .id_table = tvp5150_id, 1066}; 1067