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 <linux/module.h> 13 #include <media/v4l2-device.h> 14 #include <media/tvp5150.h> 15 #include <media/v4l2-chip-ident.h> 16 #include <media/v4l2-ctrls.h> 17 18 #include "tvp5150_reg.h" 19 20 #define TVP5150_H_MAX 720 21 #define TVP5150_V_MAX_525_60 480 22 #define TVP5150_V_MAX_OTHERS 576 23 #define TVP5150_MAX_CROP_LEFT 511 24 #define TVP5150_MAX_CROP_TOP 127 25 #define TVP5150_CROP_SHIFT 2 26 27 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver"); 28 MODULE_AUTHOR("Mauro Carvalho Chehab"); 29 MODULE_LICENSE("GPL"); 30 31 32 static int debug; 33 module_param(debug, int, 0); 34 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 35 36 struct tvp5150 { 37 struct v4l2_subdev sd; 38 struct v4l2_ctrl_handler hdl; 39 struct v4l2_rect rect; 40 41 v4l2_std_id norm; /* Current set standard */ 42 u32 input; 43 u32 output; 44 int enable; 45 }; 46 47 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 48 { 49 return container_of(sd, struct tvp5150, sd); 50 } 51 52 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 53 { 54 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 55 } 56 57 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 58 { 59 struct i2c_client *c = v4l2_get_subdevdata(sd); 60 unsigned char buffer[1]; 61 int rc; 62 63 buffer[0] = addr; 64 65 rc = i2c_master_send(c, buffer, 1); 66 if (rc < 0) { 67 v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc); 68 return rc; 69 } 70 71 msleep(10); 72 73 rc = i2c_master_recv(c, buffer, 1); 74 if (rc < 0) { 75 v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc); 76 return rc; 77 } 78 79 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]); 80 81 return (buffer[0]); 82 } 83 84 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 85 unsigned char value) 86 { 87 struct i2c_client *c = v4l2_get_subdevdata(sd); 88 unsigned char buffer[2]; 89 int rc; 90 91 buffer[0] = addr; 92 buffer[1] = value; 93 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]); 94 if (2 != (rc = i2c_master_send(c, buffer, 2))) 95 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc); 96 } 97 98 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 99 const u8 end, int max_line) 100 { 101 int i = 0; 102 103 while (init != (u8)(end + 1)) { 104 if ((i % max_line) == 0) { 105 if (i > 0) 106 printk("\n"); 107 printk("tvp5150: %s reg 0x%02x = ", s, init); 108 } 109 printk("%02x ", tvp5150_read(sd, init)); 110 111 init++; 112 i++; 113 } 114 printk("\n"); 115 } 116 117 static int tvp5150_log_status(struct v4l2_subdev *sd) 118 { 119 printk("tvp5150: Video input source selection #1 = 0x%02x\n", 120 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 121 printk("tvp5150: Analog channel controls = 0x%02x\n", 122 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 123 printk("tvp5150: Operation mode controls = 0x%02x\n", 124 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 125 printk("tvp5150: Miscellaneous controls = 0x%02x\n", 126 tvp5150_read(sd, TVP5150_MISC_CTL)); 127 printk("tvp5150: Autoswitch mask= 0x%02x\n", 128 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 129 printk("tvp5150: Color killer threshold control = 0x%02x\n", 130 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 131 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 132 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 133 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 134 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 135 printk("tvp5150: Brightness control = 0x%02x\n", 136 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 137 printk("tvp5150: Color saturation control = 0x%02x\n", 138 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 139 printk("tvp5150: Hue control = 0x%02x\n", 140 tvp5150_read(sd, TVP5150_HUE_CTL)); 141 printk("tvp5150: Contrast control = 0x%02x\n", 142 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 143 printk("tvp5150: Outputs and data rates select = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 145 printk("tvp5150: Configuration shared pins = 0x%02x\n", 146 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 147 printk("tvp5150: Active video cropping start = 0x%02x%02x\n", 148 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 149 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 150 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", 151 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 152 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 153 printk("tvp5150: Genlock/RTC = 0x%02x\n", 154 tvp5150_read(sd, TVP5150_GENLOCK)); 155 printk("tvp5150: Horizontal sync start = 0x%02x\n", 156 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 157 printk("tvp5150: Vertical blanking start = 0x%02x\n", 158 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 159 printk("tvp5150: Vertical blanking stop = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 161 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 162 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 163 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 164 printk("tvp5150: Interrupt reset register B = 0x%02x\n", 165 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 166 printk("tvp5150: Interrupt enable register B = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 168 printk("tvp5150: Interrupt configuration register B = 0x%02x\n", 169 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 170 printk("tvp5150: Video standard = 0x%02x\n", 171 tvp5150_read(sd, TVP5150_VIDEO_STD)); 172 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 173 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 174 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 175 printk("tvp5150: Macrovision on counter = 0x%02x\n", 176 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 177 printk("tvp5150: Macrovision off counter = 0x%02x\n", 178 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 179 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 180 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 181 printk("tvp5150: Device ID = %02x%02x\n", 182 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 183 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 184 printk("tvp5150: ROM version = (hex) %02x.%02x\n", 185 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 186 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 187 printk("tvp5150: Vertical line count = 0x%02x%02x\n", 188 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 189 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 190 printk("tvp5150: Interrupt status register B = 0x%02x\n", 191 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 192 printk("tvp5150: Interrupt active register B = 0x%02x\n", 193 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 194 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 195 tvp5150_read(sd, TVP5150_STATUS_REG_1), 196 tvp5150_read(sd, TVP5150_STATUS_REG_2), 197 tvp5150_read(sd, TVP5150_STATUS_REG_3), 198 tvp5150_read(sd, TVP5150_STATUS_REG_4), 199 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 200 201 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 202 TVP5150_TELETEXT_FIL1_END, 8); 203 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 204 TVP5150_TELETEXT_FIL2_END, 8); 205 206 printk("tvp5150: Teletext filter enable = 0x%02x\n", 207 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 208 printk("tvp5150: Interrupt status register A = 0x%02x\n", 209 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 210 printk("tvp5150: Interrupt enable register A = 0x%02x\n", 211 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 212 printk("tvp5150: Interrupt configuration = 0x%02x\n", 213 tvp5150_read(sd, TVP5150_INT_CONF)); 214 printk("tvp5150: VDP status register = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 216 printk("tvp5150: FIFO word count = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 218 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", 219 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 220 printk("tvp5150: FIFO reset = 0x%02x\n", 221 tvp5150_read(sd, TVP5150_FIFO_RESET)); 222 printk("tvp5150: Line number interrupt = 0x%02x\n", 223 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 224 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", 225 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 226 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 227 printk("tvp5150: FIFO output control = 0x%02x\n", 228 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 229 printk("tvp5150: Full field enable = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 231 printk("tvp5150: Full field mode register = 0x%02x\n", 232 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 233 234 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 235 TVP5150_CC_DATA_END, 8); 236 237 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 238 TVP5150_WSS_DATA_END, 8); 239 240 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 241 TVP5150_VPS_DATA_END, 8); 242 243 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 244 TVP5150_VITC_DATA_END, 10); 245 246 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 247 TVP5150_LINE_MODE_END, 8); 248 return 0; 249 } 250 251 /**************************************************************************** 252 Basic functions 253 ****************************************************************************/ 254 255 static inline void tvp5150_selmux(struct v4l2_subdev *sd) 256 { 257 int opmode = 0; 258 struct tvp5150 *decoder = to_tvp5150(sd); 259 int input = 0; 260 int val; 261 262 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable) 263 input = 8; 264 265 switch (decoder->input) { 266 case TVP5150_COMPOSITE1: 267 input |= 2; 268 /* fall through */ 269 case TVP5150_COMPOSITE0: 270 break; 271 case TVP5150_SVIDEO: 272 default: 273 input |= 1; 274 break; 275 } 276 277 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 278 "=> tvp5150 input=%i, opmode=%i\n", 279 decoder->input, decoder->output, 280 input, opmode); 281 282 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 283 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 284 285 /* Svideo should enable YCrCb output and disable GPCL output 286 * For Composite and TV, it should be the reverse 287 */ 288 val = tvp5150_read(sd, TVP5150_MISC_CTL); 289 if (val < 0) { 290 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val); 291 return; 292 } 293 294 if (decoder->input == TVP5150_SVIDEO) 295 val = (val & ~0x40) | 0x10; 296 else 297 val = (val & ~0x10) | 0x40; 298 tvp5150_write(sd, TVP5150_MISC_CTL, val); 299 }; 300 301 struct i2c_reg_value { 302 unsigned char reg; 303 unsigned char value; 304 }; 305 306 /* Default values as sugested at TVP5150AM1 datasheet */ 307 static const struct i2c_reg_value tvp5150_init_default[] = { 308 { /* 0x00 */ 309 TVP5150_VD_IN_SRC_SEL_1,0x00 310 }, 311 { /* 0x01 */ 312 TVP5150_ANAL_CHL_CTL,0x15 313 }, 314 { /* 0x02 */ 315 TVP5150_OP_MODE_CTL,0x00 316 }, 317 { /* 0x03 */ 318 TVP5150_MISC_CTL,0x01 319 }, 320 { /* 0x06 */ 321 TVP5150_COLOR_KIL_THSH_CTL,0x10 322 }, 323 { /* 0x07 */ 324 TVP5150_LUMA_PROC_CTL_1,0x60 325 }, 326 { /* 0x08 */ 327 TVP5150_LUMA_PROC_CTL_2,0x00 328 }, 329 { /* 0x09 */ 330 TVP5150_BRIGHT_CTL,0x80 331 }, 332 { /* 0x0a */ 333 TVP5150_SATURATION_CTL,0x80 334 }, 335 { /* 0x0b */ 336 TVP5150_HUE_CTL,0x00 337 }, 338 { /* 0x0c */ 339 TVP5150_CONTRAST_CTL,0x80 340 }, 341 { /* 0x0d */ 342 TVP5150_DATA_RATE_SEL,0x47 343 }, 344 { /* 0x0e */ 345 TVP5150_LUMA_PROC_CTL_3,0x00 346 }, 347 { /* 0x0f */ 348 TVP5150_CONF_SHARED_PIN,0x08 349 }, 350 { /* 0x11 */ 351 TVP5150_ACT_VD_CROP_ST_MSB,0x00 352 }, 353 { /* 0x12 */ 354 TVP5150_ACT_VD_CROP_ST_LSB,0x00 355 }, 356 { /* 0x13 */ 357 TVP5150_ACT_VD_CROP_STP_MSB,0x00 358 }, 359 { /* 0x14 */ 360 TVP5150_ACT_VD_CROP_STP_LSB,0x00 361 }, 362 { /* 0x15 */ 363 TVP5150_GENLOCK,0x01 364 }, 365 { /* 0x16 */ 366 TVP5150_HORIZ_SYNC_START,0x80 367 }, 368 { /* 0x18 */ 369 TVP5150_VERT_BLANKING_START,0x00 370 }, 371 { /* 0x19 */ 372 TVP5150_VERT_BLANKING_STOP,0x00 373 }, 374 { /* 0x1a */ 375 TVP5150_CHROMA_PROC_CTL_1,0x0c 376 }, 377 { /* 0x1b */ 378 TVP5150_CHROMA_PROC_CTL_2,0x14 379 }, 380 { /* 0x1c */ 381 TVP5150_INT_RESET_REG_B,0x00 382 }, 383 { /* 0x1d */ 384 TVP5150_INT_ENABLE_REG_B,0x00 385 }, 386 { /* 0x1e */ 387 TVP5150_INTT_CONFIG_REG_B,0x00 388 }, 389 { /* 0x28 */ 390 TVP5150_VIDEO_STD,0x00 391 }, 392 { /* 0x2e */ 393 TVP5150_MACROVISION_ON_CTR,0x0f 394 }, 395 { /* 0x2f */ 396 TVP5150_MACROVISION_OFF_CTR,0x01 397 }, 398 { /* 0xbb */ 399 TVP5150_TELETEXT_FIL_ENA,0x00 400 }, 401 { /* 0xc0 */ 402 TVP5150_INT_STATUS_REG_A,0x00 403 }, 404 { /* 0xc1 */ 405 TVP5150_INT_ENABLE_REG_A,0x00 406 }, 407 { /* 0xc2 */ 408 TVP5150_INT_CONF,0x04 409 }, 410 { /* 0xc8 */ 411 TVP5150_FIFO_INT_THRESHOLD,0x80 412 }, 413 { /* 0xc9 */ 414 TVP5150_FIFO_RESET,0x00 415 }, 416 { /* 0xca */ 417 TVP5150_LINE_NUMBER_INT,0x00 418 }, 419 { /* 0xcb */ 420 TVP5150_PIX_ALIGN_REG_LOW,0x4e 421 }, 422 { /* 0xcc */ 423 TVP5150_PIX_ALIGN_REG_HIGH,0x00 424 }, 425 { /* 0xcd */ 426 TVP5150_FIFO_OUT_CTRL,0x01 427 }, 428 { /* 0xcf */ 429 TVP5150_FULL_FIELD_ENA,0x00 430 }, 431 { /* 0xd0 */ 432 TVP5150_LINE_MODE_INI,0x00 433 }, 434 { /* 0xfc */ 435 TVP5150_FULL_FIELD_MODE_REG,0x7f 436 }, 437 { /* end of data */ 438 0xff,0xff 439 } 440 }; 441 442 /* Default values as sugested at TVP5150AM1 datasheet */ 443 static const struct i2c_reg_value tvp5150_init_enable[] = { 444 { 445 TVP5150_CONF_SHARED_PIN, 2 446 },{ /* Automatic offset and AGC enabled */ 447 TVP5150_ANAL_CHL_CTL, 0x15 448 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 449 TVP5150_MISC_CTL, 0x6f 450 },{ /* Activates video std autodetection for all standards */ 451 TVP5150_AUTOSW_MSK, 0x0 452 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 453 TVP5150_DATA_RATE_SEL, 0x47 454 },{ 455 TVP5150_CHROMA_PROC_CTL_1, 0x0c 456 },{ 457 TVP5150_CHROMA_PROC_CTL_2, 0x54 458 },{ /* Non documented, but initialized on WinTV USB2 */ 459 0x27, 0x20 460 },{ 461 0xff,0xff 462 } 463 }; 464 465 struct tvp5150_vbi_type { 466 unsigned int vbi_type; 467 unsigned int ini_line; 468 unsigned int end_line; 469 unsigned int by_field :1; 470 }; 471 472 struct i2c_vbi_ram_value { 473 u16 reg; 474 struct tvp5150_vbi_type type; 475 unsigned char values[16]; 476 }; 477 478 /* This struct have the values for each supported VBI Standard 479 * by 480 tvp5150_vbi_types should follow the same order as vbi_ram_default 481 * value 0 means rom position 0x10, value 1 means rom position 0x30 482 * and so on. There are 16 possible locations from 0 to 15. 483 */ 484 485 static struct i2c_vbi_ram_value vbi_ram_default[] = 486 { 487 /* FIXME: Current api doesn't handle all VBI types, those not 488 yet supported are placed under #if 0 */ 489 #if 0 490 {0x010, /* Teletext, SECAM, WST System A */ 491 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 492 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 493 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 494 }, 495 #endif 496 {0x030, /* Teletext, PAL, WST System B */ 497 {V4L2_SLICED_TELETEXT_B,6,22,1}, 498 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 499 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 500 }, 501 #if 0 502 {0x050, /* Teletext, PAL, WST System C */ 503 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 504 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 505 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 506 }, 507 {0x070, /* Teletext, NTSC, WST System B */ 508 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 509 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 510 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 511 }, 512 {0x090, /* Tetetext, NTSC NABTS System C */ 513 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 514 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 515 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 516 }, 517 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 518 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 519 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 520 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 521 }, 522 {0x0d0, /* Closed Caption, PAL/SECAM */ 523 {V4L2_SLICED_CAPTION_625,22,22,1}, 524 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 525 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 526 }, 527 #endif 528 {0x0f0, /* Closed Caption, NTSC */ 529 {V4L2_SLICED_CAPTION_525,21,21,1}, 530 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 531 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 532 }, 533 {0x110, /* Wide Screen Signal, PAL/SECAM */ 534 {V4L2_SLICED_WSS_625,23,23,1}, 535 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 536 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 537 }, 538 #if 0 539 {0x130, /* Wide Screen Signal, NTSC C */ 540 {V4L2_SLICED_WSS_525,20,20,1}, 541 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 542 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 543 }, 544 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 545 {V4l2_SLICED_VITC_625,6,22,0}, 546 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 547 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 548 }, 549 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 550 {V4l2_SLICED_VITC_525,10,20,0}, 551 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 552 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 553 }, 554 #endif 555 {0x190, /* Video Program System (VPS), PAL */ 556 {V4L2_SLICED_VPS,16,16,0}, 557 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 558 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 559 }, 560 /* 0x1d0 User programmable */ 561 562 /* End of struct */ 563 { (u16)-1 } 564 }; 565 566 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 567 const struct i2c_reg_value *regs) 568 { 569 while (regs->reg != 0xff) { 570 tvp5150_write(sd, regs->reg, regs->value); 571 regs++; 572 } 573 return 0; 574 } 575 576 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 577 const struct i2c_vbi_ram_value *regs) 578 { 579 unsigned int i; 580 581 /* Disable Full Field */ 582 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 583 584 /* Before programming, Line mode should be at 0xff */ 585 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 586 tvp5150_write(sd, i, 0xff); 587 588 /* Load Ram Table */ 589 while (regs->reg != (u16)-1) { 590 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 591 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 592 593 for (i = 0; i < 16; i++) 594 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 595 596 regs++; 597 } 598 return 0; 599 } 600 601 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 602 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 603 struct v4l2_sliced_vbi_cap *cap) 604 { 605 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 606 int line; 607 608 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 609 memset(cap, 0, sizeof *cap); 610 611 while (regs->reg != (u16)-1 ) { 612 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 613 cap->service_lines[0][line] |= regs->type.vbi_type; 614 } 615 cap->service_set |= regs->type.vbi_type; 616 617 regs++; 618 } 619 return 0; 620 } 621 622 /* Set vbi processing 623 * type - one of tvp5150_vbi_types 624 * line - line to gather data 625 * fields: bit 0 field1, bit 1, field2 626 * flags (default=0xf0) is a bitmask, were set means: 627 * bit 7: enable filtering null bytes on CC 628 * bit 6: send data also to FIFO 629 * bit 5: don't allow data with errors on FIFO 630 * bit 4: enable ECC when possible 631 * pix_align = pix alignment: 632 * LSB = field1 633 * MSB = field2 634 */ 635 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 636 const struct i2c_vbi_ram_value *regs, 637 unsigned int type,u8 flags, int line, 638 const int fields) 639 { 640 struct tvp5150 *decoder = to_tvp5150(sd); 641 v4l2_std_id std = decoder->norm; 642 u8 reg; 643 int pos=0; 644 645 if (std == V4L2_STD_ALL) { 646 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 647 return 0; 648 } else if (std & V4L2_STD_625_50) { 649 /* Don't follow NTSC Line number convension */ 650 line += 3; 651 } 652 653 if (line<6||line>27) 654 return 0; 655 656 while (regs->reg != (u16)-1 ) { 657 if ((type & regs->type.vbi_type) && 658 (line>=regs->type.ini_line) && 659 (line<=regs->type.end_line)) { 660 type=regs->type.vbi_type; 661 break; 662 } 663 664 regs++; 665 pos++; 666 } 667 if (regs->reg == (u16)-1) 668 return 0; 669 670 type=pos | (flags & 0xf0); 671 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 672 673 if (fields&1) { 674 tvp5150_write(sd, reg, type); 675 } 676 677 if (fields&2) { 678 tvp5150_write(sd, reg+1, type); 679 } 680 681 return type; 682 } 683 684 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 685 const struct i2c_vbi_ram_value *regs, int line) 686 { 687 struct tvp5150 *decoder = to_tvp5150(sd); 688 v4l2_std_id std = decoder->norm; 689 u8 reg; 690 int pos, type = 0; 691 int i, ret = 0; 692 693 if (std == V4L2_STD_ALL) { 694 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 695 return 0; 696 } else if (std & V4L2_STD_625_50) { 697 /* Don't follow NTSC Line number convension */ 698 line += 3; 699 } 700 701 if (line < 6 || line > 27) 702 return 0; 703 704 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 705 706 for (i = 0; i <= 1; i++) { 707 ret = tvp5150_read(sd, reg + i); 708 if (ret < 0) { 709 v4l2_err(sd, "%s: failed with error = %d\n", 710 __func__, ret); 711 return 0; 712 } 713 pos = ret & 0x0f; 714 if (pos < 0x0f) 715 type |= regs[pos].type.vbi_type; 716 } 717 718 return type; 719 } 720 721 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 722 { 723 struct tvp5150 *decoder = to_tvp5150(sd); 724 int fmt = 0; 725 726 decoder->norm = std; 727 728 /* First tests should be against specific std */ 729 730 if (std == V4L2_STD_ALL) { 731 fmt = VIDEO_STD_AUTO_SWITCH_BIT; /* Autodetect mode */ 732 } else if (std & V4L2_STD_NTSC_443) { 733 fmt = VIDEO_STD_NTSC_4_43_BIT; 734 } else if (std & V4L2_STD_PAL_M) { 735 fmt = VIDEO_STD_PAL_M_BIT; 736 } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) { 737 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 738 } else { 739 /* Then, test against generic ones */ 740 if (std & V4L2_STD_NTSC) 741 fmt = VIDEO_STD_NTSC_MJ_BIT; 742 else if (std & V4L2_STD_PAL) 743 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 744 else if (std & V4L2_STD_SECAM) 745 fmt = VIDEO_STD_SECAM_BIT; 746 } 747 748 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 749 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 750 return 0; 751 } 752 753 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 754 { 755 struct tvp5150 *decoder = to_tvp5150(sd); 756 757 if (decoder->norm == std) 758 return 0; 759 760 /* Change cropping height limits */ 761 if (std & V4L2_STD_525_60) 762 decoder->rect.height = TVP5150_V_MAX_525_60; 763 else 764 decoder->rect.height = TVP5150_V_MAX_OTHERS; 765 766 767 return tvp5150_set_std(sd, std); 768 } 769 770 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 771 { 772 struct tvp5150 *decoder = to_tvp5150(sd); 773 774 /* Initializes TVP5150 to its default values */ 775 tvp5150_write_inittab(sd, tvp5150_init_default); 776 777 /* Initializes VDP registers */ 778 tvp5150_vdp_init(sd, vbi_ram_default); 779 780 /* Selects decoder input */ 781 tvp5150_selmux(sd); 782 783 /* Initializes TVP5150 to stream enabled values */ 784 tvp5150_write_inittab(sd, tvp5150_init_enable); 785 786 /* Initialize image preferences */ 787 v4l2_ctrl_handler_setup(&decoder->hdl); 788 789 tvp5150_set_std(sd, decoder->norm); 790 return 0; 791 }; 792 793 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 794 { 795 struct v4l2_subdev *sd = to_sd(ctrl); 796 797 switch (ctrl->id) { 798 case V4L2_CID_BRIGHTNESS: 799 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 800 return 0; 801 case V4L2_CID_CONTRAST: 802 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 803 return 0; 804 case V4L2_CID_SATURATION: 805 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 806 return 0; 807 case V4L2_CID_HUE: 808 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 809 return 0; 810 } 811 return -EINVAL; 812 } 813 814 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 815 { 816 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 817 818 switch (val & 0x0F) { 819 case 0x01: 820 return V4L2_STD_NTSC; 821 case 0x03: 822 return V4L2_STD_PAL; 823 case 0x05: 824 return V4L2_STD_PAL_M; 825 case 0x07: 826 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 827 case 0x09: 828 return V4L2_STD_NTSC_443; 829 case 0xb: 830 return V4L2_STD_SECAM; 831 default: 832 return V4L2_STD_UNKNOWN; 833 } 834 } 835 836 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index, 837 enum v4l2_mbus_pixelcode *code) 838 { 839 if (index) 840 return -EINVAL; 841 842 *code = V4L2_MBUS_FMT_UYVY8_2X8; 843 return 0; 844 } 845 846 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd, 847 struct v4l2_mbus_framefmt *f) 848 { 849 struct tvp5150 *decoder = to_tvp5150(sd); 850 851 if (f == NULL) 852 return -EINVAL; 853 854 tvp5150_reset(sd, 0); 855 856 f->width = decoder->rect.width; 857 f->height = decoder->rect.height; 858 859 f->code = V4L2_MBUS_FMT_UYVY8_2X8; 860 f->field = V4L2_FIELD_SEQ_TB; 861 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 862 863 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, 864 f->height); 865 return 0; 866 } 867 868 static int tvp5150_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 869 { 870 struct v4l2_rect rect = a->c; 871 struct tvp5150 *decoder = to_tvp5150(sd); 872 v4l2_std_id std; 873 int hmax; 874 875 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n", 876 __func__, rect.left, rect.top, rect.width, rect.height); 877 878 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 879 return -EINVAL; 880 881 /* tvp5150 has some special limits */ 882 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 883 rect.width = clamp(rect.width, 884 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 885 TVP5150_H_MAX - rect.left); 886 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 887 888 /* Calculate height based on current standard */ 889 if (decoder->norm == V4L2_STD_ALL) 890 std = tvp5150_read_std(sd); 891 else 892 std = decoder->norm; 893 894 if (std & V4L2_STD_525_60) 895 hmax = TVP5150_V_MAX_525_60; 896 else 897 hmax = TVP5150_V_MAX_OTHERS; 898 899 rect.height = clamp(rect.height, 900 hmax - TVP5150_MAX_CROP_TOP - rect.top, 901 hmax - rect.top); 902 903 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 904 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 905 rect.top + rect.height - hmax); 906 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 907 rect.left >> TVP5150_CROP_SHIFT); 908 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 909 rect.left | (1 << TVP5150_CROP_SHIFT)); 910 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 911 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 912 TVP5150_CROP_SHIFT); 913 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 914 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 915 916 decoder->rect = rect; 917 918 return 0; 919 } 920 921 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 922 { 923 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 924 925 a->c = decoder->rect; 926 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 927 928 return 0; 929 } 930 931 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) 932 { 933 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 934 v4l2_std_id std; 935 936 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 937 return -EINVAL; 938 939 a->bounds.left = 0; 940 a->bounds.top = 0; 941 a->bounds.width = TVP5150_H_MAX; 942 943 /* Calculate height based on current standard */ 944 if (decoder->norm == V4L2_STD_ALL) 945 std = tvp5150_read_std(sd); 946 else 947 std = decoder->norm; 948 949 if (std & V4L2_STD_525_60) 950 a->bounds.height = TVP5150_V_MAX_525_60; 951 else 952 a->bounds.height = TVP5150_V_MAX_OTHERS; 953 954 a->defrect = a->bounds; 955 a->pixelaspect.numerator = 1; 956 a->pixelaspect.denominator = 1; 957 958 return 0; 959 } 960 961 /**************************************************************************** 962 I2C Command 963 ****************************************************************************/ 964 965 static int tvp5150_s_routing(struct v4l2_subdev *sd, 966 u32 input, u32 output, u32 config) 967 { 968 struct tvp5150 *decoder = to_tvp5150(sd); 969 970 decoder->input = input; 971 decoder->output = output; 972 tvp5150_selmux(sd); 973 return 0; 974 } 975 976 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 977 { 978 /* this is for capturing 36 raw vbi lines 979 if there's a way to cut off the beginning 2 vbi lines 980 with the tvp5150 then the vbi line count could be lowered 981 to 17 lines/field again, although I couldn't find a register 982 which could do that cropping */ 983 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 984 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 985 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 986 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 987 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 988 } 989 return 0; 990 } 991 992 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 993 { 994 int i; 995 996 if (svbi->service_set != 0) { 997 for (i = 0; i <= 23; i++) { 998 svbi->service_lines[1][i] = 0; 999 svbi->service_lines[0][i] = 1000 tvp5150_set_vbi(sd, vbi_ram_default, 1001 svbi->service_lines[0][i], 0xf0, i, 3); 1002 } 1003 /* Enables FIFO */ 1004 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1005 } else { 1006 /* Disables FIFO*/ 1007 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1008 1009 /* Disable Full Field */ 1010 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1011 1012 /* Disable Line modes */ 1013 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1014 tvp5150_write(sd, i, 0xff); 1015 } 1016 return 0; 1017 } 1018 1019 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1020 { 1021 int i, mask = 0; 1022 1023 memset(svbi, 0, sizeof(*svbi)); 1024 1025 for (i = 0; i <= 23; i++) { 1026 svbi->service_lines[0][i] = 1027 tvp5150_get_vbi(sd, vbi_ram_default, i); 1028 mask |= svbi->service_lines[0][i]; 1029 } 1030 svbi->service_set = mask; 1031 return 0; 1032 } 1033 1034 static int tvp5150_g_chip_ident(struct v4l2_subdev *sd, 1035 struct v4l2_dbg_chip_ident *chip) 1036 { 1037 int rev; 1038 struct i2c_client *client = v4l2_get_subdevdata(sd); 1039 1040 rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 | 1041 tvp5150_read(sd, TVP5150_ROM_MINOR_VER); 1042 1043 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150, 1044 rev); 1045 } 1046 1047 1048 #ifdef CONFIG_VIDEO_ADV_DEBUG 1049 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1050 { 1051 int res; 1052 1053 struct i2c_client *client = v4l2_get_subdevdata(sd); 1054 1055 if (!v4l2_chip_match_i2c_client(client, ®->match)) 1056 return -EINVAL; 1057 if (!capable(CAP_SYS_ADMIN)) 1058 return -EPERM; 1059 res = tvp5150_read(sd, reg->reg & 0xff); 1060 if (res < 0) { 1061 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res); 1062 return res; 1063 } 1064 1065 reg->val = res; 1066 reg->size = 1; 1067 return 0; 1068 } 1069 1070 static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1071 { 1072 struct i2c_client *client = v4l2_get_subdevdata(sd); 1073 1074 if (!v4l2_chip_match_i2c_client(client, ®->match)) 1075 return -EINVAL; 1076 if (!capable(CAP_SYS_ADMIN)) 1077 return -EPERM; 1078 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1079 return 0; 1080 } 1081 #endif 1082 1083 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1084 { 1085 int status = tvp5150_read(sd, 0x88); 1086 1087 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1088 return 0; 1089 } 1090 1091 /* ----------------------------------------------------------------------- */ 1092 1093 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1094 .s_ctrl = tvp5150_s_ctrl, 1095 }; 1096 1097 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1098 .log_status = tvp5150_log_status, 1099 .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, 1100 .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, 1101 .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, 1102 .g_ctrl = v4l2_subdev_g_ctrl, 1103 .s_ctrl = v4l2_subdev_s_ctrl, 1104 .queryctrl = v4l2_subdev_queryctrl, 1105 .querymenu = v4l2_subdev_querymenu, 1106 .s_std = tvp5150_s_std, 1107 .reset = tvp5150_reset, 1108 .g_chip_ident = tvp5150_g_chip_ident, 1109 #ifdef CONFIG_VIDEO_ADV_DEBUG 1110 .g_register = tvp5150_g_register, 1111 .s_register = tvp5150_s_register, 1112 #endif 1113 }; 1114 1115 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1116 .g_tuner = tvp5150_g_tuner, 1117 }; 1118 1119 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1120 .s_routing = tvp5150_s_routing, 1121 .enum_mbus_fmt = tvp5150_enum_mbus_fmt, 1122 .s_mbus_fmt = tvp5150_mbus_fmt, 1123 .try_mbus_fmt = tvp5150_mbus_fmt, 1124 .g_mbus_fmt = tvp5150_mbus_fmt, 1125 .s_crop = tvp5150_s_crop, 1126 .g_crop = tvp5150_g_crop, 1127 .cropcap = tvp5150_cropcap, 1128 }; 1129 1130 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1131 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1132 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1133 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1134 .s_raw_fmt = tvp5150_s_raw_fmt, 1135 }; 1136 1137 static const struct v4l2_subdev_ops tvp5150_ops = { 1138 .core = &tvp5150_core_ops, 1139 .tuner = &tvp5150_tuner_ops, 1140 .video = &tvp5150_video_ops, 1141 .vbi = &tvp5150_vbi_ops, 1142 }; 1143 1144 1145 /**************************************************************************** 1146 I2C Client & Driver 1147 ****************************************************************************/ 1148 1149 static int tvp5150_probe(struct i2c_client *c, 1150 const struct i2c_device_id *id) 1151 { 1152 struct tvp5150 *core; 1153 struct v4l2_subdev *sd; 1154 int tvp5150_id[4]; 1155 int i, res; 1156 1157 /* Check if the adapter supports the needed features */ 1158 if (!i2c_check_functionality(c->adapter, 1159 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1160 return -EIO; 1161 1162 core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL); 1163 if (!core) { 1164 return -ENOMEM; 1165 } 1166 sd = &core->sd; 1167 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1168 1169 /* 1170 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1171 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1172 */ 1173 for (i = 0; i < 4; i++) { 1174 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1175 if (res < 0) 1176 goto free_core; 1177 tvp5150_id[i] = res; 1178 } 1179 1180 v4l_info(c, "chip found @ 0x%02x (%s)\n", 1181 c->addr << 1, c->adapter->name); 1182 1183 if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */ 1184 v4l2_info(sd, "tvp%02x%02xam1 detected.\n", 1185 tvp5150_id[0], tvp5150_id[1]); 1186 1187 /* ITU-T BT.656.4 timing */ 1188 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1189 } else { 1190 /* Is TVP5150A */ 1191 if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) { 1192 v4l2_info(sd, "tvp%02x%02xa detected.\n", 1193 tvp5150_id[2], tvp5150_id[3]); 1194 } else { 1195 v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n", 1196 tvp5150_id[2], tvp5150_id[3]); 1197 v4l2_info(sd, "*** Rom ver is %d.%d\n", 1198 tvp5150_id[2], tvp5150_id[3]); 1199 } 1200 } 1201 1202 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1203 core->input = TVP5150_COMPOSITE1; 1204 core->enable = 1; 1205 1206 v4l2_ctrl_handler_init(&core->hdl, 4); 1207 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1208 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1209 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1210 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1211 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1212 V4L2_CID_SATURATION, 0, 255, 1, 128); 1213 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1214 V4L2_CID_HUE, -128, 127, 1, 0); 1215 sd->ctrl_handler = &core->hdl; 1216 if (core->hdl.error) { 1217 res = core->hdl.error; 1218 v4l2_ctrl_handler_free(&core->hdl); 1219 goto free_core; 1220 } 1221 v4l2_ctrl_handler_setup(&core->hdl); 1222 1223 /* Default is no cropping */ 1224 core->rect.top = 0; 1225 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1226 core->rect.height = TVP5150_V_MAX_525_60; 1227 else 1228 core->rect.height = TVP5150_V_MAX_OTHERS; 1229 core->rect.left = 0; 1230 core->rect.width = TVP5150_H_MAX; 1231 1232 if (debug > 1) 1233 tvp5150_log_status(sd); 1234 return 0; 1235 1236 free_core: 1237 kfree(core); 1238 return res; 1239 } 1240 1241 static int tvp5150_remove(struct i2c_client *c) 1242 { 1243 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1244 struct tvp5150 *decoder = to_tvp5150(sd); 1245 1246 v4l2_dbg(1, debug, sd, 1247 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1248 c->addr << 1); 1249 1250 v4l2_device_unregister_subdev(sd); 1251 v4l2_ctrl_handler_free(&decoder->hdl); 1252 kfree(to_tvp5150(sd)); 1253 return 0; 1254 } 1255 1256 /* ----------------------------------------------------------------------- */ 1257 1258 static const struct i2c_device_id tvp5150_id[] = { 1259 { "tvp5150", 0 }, 1260 { } 1261 }; 1262 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1263 1264 static struct i2c_driver tvp5150_driver = { 1265 .driver = { 1266 .owner = THIS_MODULE, 1267 .name = "tvp5150", 1268 }, 1269 .probe = tvp5150_probe, 1270 .remove = tvp5150_remove, 1271 .id_table = tvp5150_id, 1272 }; 1273 1274 module_i2c_driver(tvp5150_driver); 1275