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 <dt-bindings/media/tvp5150.h> 9 #include <linux/i2c.h> 10 #include <linux/slab.h> 11 #include <linux/videodev2.h> 12 #include <linux/delay.h> 13 #include <linux/gpio/consumer.h> 14 #include <linux/module.h> 15 #include <media/v4l2-async.h> 16 #include <media/v4l2-device.h> 17 #include <media/v4l2-ctrls.h> 18 #include <media/v4l2-of.h> 19 #include <media/v4l2-mc.h> 20 21 #include "tvp5150_reg.h" 22 23 #define TVP5150_H_MAX 720U 24 #define TVP5150_V_MAX_525_60 480U 25 #define TVP5150_V_MAX_OTHERS 576U 26 #define TVP5150_MAX_CROP_LEFT 511 27 #define TVP5150_MAX_CROP_TOP 127 28 #define TVP5150_CROP_SHIFT 2 29 30 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver"); 31 MODULE_AUTHOR("Mauro Carvalho Chehab"); 32 MODULE_LICENSE("GPL"); 33 34 35 static int debug; 36 module_param(debug, int, 0644); 37 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 38 39 struct tvp5150 { 40 struct v4l2_subdev sd; 41 #ifdef CONFIG_MEDIA_CONTROLLER 42 struct media_pad pads[DEMOD_NUM_PADS]; 43 #endif 44 struct v4l2_ctrl_handler hdl; 45 struct v4l2_rect rect; 46 47 v4l2_std_id norm; /* Current set standard */ 48 u32 input; 49 u32 output; 50 int enable; 51 52 u16 dev_id; 53 u16 rom_ver; 54 55 enum v4l2_mbus_type mbus_type; 56 }; 57 58 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 59 { 60 return container_of(sd, struct tvp5150, sd); 61 } 62 63 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 64 { 65 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 66 } 67 68 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 69 { 70 struct i2c_client *c = v4l2_get_subdevdata(sd); 71 int rc; 72 73 rc = i2c_smbus_read_byte_data(c, addr); 74 if (rc < 0) { 75 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc); 76 return rc; 77 } 78 79 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc); 80 81 return rc; 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 int rc; 89 90 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value); 91 rc = i2c_smbus_write_byte_data(c, addr, value); 92 if (rc < 0) 93 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d\n", rc); 94 } 95 96 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 97 const u8 end, int max_line) 98 { 99 int i = 0; 100 101 while (init != (u8)(end + 1)) { 102 if ((i % max_line) == 0) { 103 if (i > 0) 104 printk("\n"); 105 printk("tvp5150: %s reg 0x%02x = ", s, init); 106 } 107 printk("%02x ", tvp5150_read(sd, init)); 108 109 init++; 110 i++; 111 } 112 printk("\n"); 113 } 114 115 static int tvp5150_log_status(struct v4l2_subdev *sd) 116 { 117 printk("tvp5150: Video input source selection #1 = 0x%02x\n", 118 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 119 printk("tvp5150: Analog channel controls = 0x%02x\n", 120 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 121 printk("tvp5150: Operation mode controls = 0x%02x\n", 122 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 123 printk("tvp5150: Miscellaneous controls = 0x%02x\n", 124 tvp5150_read(sd, TVP5150_MISC_CTL)); 125 printk("tvp5150: Autoswitch mask= 0x%02x\n", 126 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 127 printk("tvp5150: Color killer threshold control = 0x%02x\n", 128 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 129 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 130 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 131 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 132 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 133 printk("tvp5150: Brightness control = 0x%02x\n", 134 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 135 printk("tvp5150: Color saturation control = 0x%02x\n", 136 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 137 printk("tvp5150: Hue control = 0x%02x\n", 138 tvp5150_read(sd, TVP5150_HUE_CTL)); 139 printk("tvp5150: Contrast control = 0x%02x\n", 140 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 141 printk("tvp5150: Outputs and data rates select = 0x%02x\n", 142 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 143 printk("tvp5150: Configuration shared pins = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 145 printk("tvp5150: Active video cropping start = 0x%02x%02x\n", 146 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 147 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 148 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n", 149 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 150 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 151 printk("tvp5150: Genlock/RTC = 0x%02x\n", 152 tvp5150_read(sd, TVP5150_GENLOCK)); 153 printk("tvp5150: Horizontal sync start = 0x%02x\n", 154 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 155 printk("tvp5150: Vertical blanking start = 0x%02x\n", 156 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 157 printk("tvp5150: Vertical blanking stop = 0x%02x\n", 158 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 159 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 160 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 161 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 162 printk("tvp5150: Interrupt reset register B = 0x%02x\n", 163 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 164 printk("tvp5150: Interrupt enable register B = 0x%02x\n", 165 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 166 printk("tvp5150: Interrupt configuration register B = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 168 printk("tvp5150: Video standard = 0x%02x\n", 169 tvp5150_read(sd, TVP5150_VIDEO_STD)); 170 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 171 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 172 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 173 printk("tvp5150: Macrovision on counter = 0x%02x\n", 174 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 175 printk("tvp5150: Macrovision off counter = 0x%02x\n", 176 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 177 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 178 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 179 printk("tvp5150: Device ID = %02x%02x\n", 180 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 181 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 182 printk("tvp5150: ROM version = (hex) %02x.%02x\n", 183 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 184 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 185 printk("tvp5150: Vertical line count = 0x%02x%02x\n", 186 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 187 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 188 printk("tvp5150: Interrupt status register B = 0x%02x\n", 189 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 190 printk("tvp5150: Interrupt active register B = 0x%02x\n", 191 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 192 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 193 tvp5150_read(sd, TVP5150_STATUS_REG_1), 194 tvp5150_read(sd, TVP5150_STATUS_REG_2), 195 tvp5150_read(sd, TVP5150_STATUS_REG_3), 196 tvp5150_read(sd, TVP5150_STATUS_REG_4), 197 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 198 199 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 200 TVP5150_TELETEXT_FIL1_END, 8); 201 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 202 TVP5150_TELETEXT_FIL2_END, 8); 203 204 printk("tvp5150: Teletext filter enable = 0x%02x\n", 205 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 206 printk("tvp5150: Interrupt status register A = 0x%02x\n", 207 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 208 printk("tvp5150: Interrupt enable register A = 0x%02x\n", 209 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 210 printk("tvp5150: Interrupt configuration = 0x%02x\n", 211 tvp5150_read(sd, TVP5150_INT_CONF)); 212 printk("tvp5150: VDP status register = 0x%02x\n", 213 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 214 printk("tvp5150: FIFO word count = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 216 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 218 printk("tvp5150: FIFO reset = 0x%02x\n", 219 tvp5150_read(sd, TVP5150_FIFO_RESET)); 220 printk("tvp5150: Line number interrupt = 0x%02x\n", 221 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 222 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n", 223 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 224 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 225 printk("tvp5150: FIFO output control = 0x%02x\n", 226 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 227 printk("tvp5150: Full field enable = 0x%02x\n", 228 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 229 printk("tvp5150: Full field mode register = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 231 232 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 233 TVP5150_CC_DATA_END, 8); 234 235 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 236 TVP5150_WSS_DATA_END, 8); 237 238 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 239 TVP5150_VPS_DATA_END, 8); 240 241 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 242 TVP5150_VITC_DATA_END, 10); 243 244 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 245 TVP5150_LINE_MODE_END, 8); 246 return 0; 247 } 248 249 /**************************************************************************** 250 Basic functions 251 ****************************************************************************/ 252 253 static inline void tvp5150_selmux(struct v4l2_subdev *sd) 254 { 255 int opmode = 0; 256 struct tvp5150 *decoder = to_tvp5150(sd); 257 int input = 0; 258 int val; 259 260 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable) 261 input = 8; 262 263 switch (decoder->input) { 264 case TVP5150_COMPOSITE1: 265 input |= 2; 266 /* fall through */ 267 case TVP5150_COMPOSITE0: 268 break; 269 case TVP5150_SVIDEO: 270 default: 271 input |= 1; 272 break; 273 } 274 275 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 276 "=> tvp5150 input=%i, opmode=%i\n", 277 decoder->input, decoder->output, 278 input, opmode); 279 280 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 281 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 282 283 /* Svideo should enable YCrCb output and disable GPCL output 284 * For Composite and TV, it should be the reverse 285 */ 286 val = tvp5150_read(sd, TVP5150_MISC_CTL); 287 if (val < 0) { 288 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val); 289 return; 290 } 291 292 if (decoder->input == TVP5150_SVIDEO) 293 val = (val & ~0x40) | 0x10; 294 else 295 val = (val & ~0x10) | 0x40; 296 tvp5150_write(sd, TVP5150_MISC_CTL, val); 297 }; 298 299 struct i2c_reg_value { 300 unsigned char reg; 301 unsigned char value; 302 }; 303 304 /* Default values as sugested at TVP5150AM1 datasheet */ 305 static const struct i2c_reg_value tvp5150_init_default[] = { 306 { /* 0x00 */ 307 TVP5150_VD_IN_SRC_SEL_1,0x00 308 }, 309 { /* 0x01 */ 310 TVP5150_ANAL_CHL_CTL,0x15 311 }, 312 { /* 0x02 */ 313 TVP5150_OP_MODE_CTL,0x00 314 }, 315 { /* 0x03 */ 316 TVP5150_MISC_CTL,0x01 317 }, 318 { /* 0x06 */ 319 TVP5150_COLOR_KIL_THSH_CTL,0x10 320 }, 321 { /* 0x07 */ 322 TVP5150_LUMA_PROC_CTL_1,0x60 323 }, 324 { /* 0x08 */ 325 TVP5150_LUMA_PROC_CTL_2,0x00 326 }, 327 { /* 0x09 */ 328 TVP5150_BRIGHT_CTL,0x80 329 }, 330 { /* 0x0a */ 331 TVP5150_SATURATION_CTL,0x80 332 }, 333 { /* 0x0b */ 334 TVP5150_HUE_CTL,0x00 335 }, 336 { /* 0x0c */ 337 TVP5150_CONTRAST_CTL,0x80 338 }, 339 { /* 0x0d */ 340 TVP5150_DATA_RATE_SEL,0x47 341 }, 342 { /* 0x0e */ 343 TVP5150_LUMA_PROC_CTL_3,0x00 344 }, 345 { /* 0x0f */ 346 TVP5150_CONF_SHARED_PIN,0x08 347 }, 348 { /* 0x11 */ 349 TVP5150_ACT_VD_CROP_ST_MSB,0x00 350 }, 351 { /* 0x12 */ 352 TVP5150_ACT_VD_CROP_ST_LSB,0x00 353 }, 354 { /* 0x13 */ 355 TVP5150_ACT_VD_CROP_STP_MSB,0x00 356 }, 357 { /* 0x14 */ 358 TVP5150_ACT_VD_CROP_STP_LSB,0x00 359 }, 360 { /* 0x15 */ 361 TVP5150_GENLOCK,0x01 362 }, 363 { /* 0x16 */ 364 TVP5150_HORIZ_SYNC_START,0x80 365 }, 366 { /* 0x18 */ 367 TVP5150_VERT_BLANKING_START,0x00 368 }, 369 { /* 0x19 */ 370 TVP5150_VERT_BLANKING_STOP,0x00 371 }, 372 { /* 0x1a */ 373 TVP5150_CHROMA_PROC_CTL_1,0x0c 374 }, 375 { /* 0x1b */ 376 TVP5150_CHROMA_PROC_CTL_2,0x14 377 }, 378 { /* 0x1c */ 379 TVP5150_INT_RESET_REG_B,0x00 380 }, 381 { /* 0x1d */ 382 TVP5150_INT_ENABLE_REG_B,0x00 383 }, 384 { /* 0x1e */ 385 TVP5150_INTT_CONFIG_REG_B,0x00 386 }, 387 { /* 0x28 */ 388 TVP5150_VIDEO_STD,0x00 389 }, 390 { /* 0x2e */ 391 TVP5150_MACROVISION_ON_CTR,0x0f 392 }, 393 { /* 0x2f */ 394 TVP5150_MACROVISION_OFF_CTR,0x01 395 }, 396 { /* 0xbb */ 397 TVP5150_TELETEXT_FIL_ENA,0x00 398 }, 399 { /* 0xc0 */ 400 TVP5150_INT_STATUS_REG_A,0x00 401 }, 402 { /* 0xc1 */ 403 TVP5150_INT_ENABLE_REG_A,0x00 404 }, 405 { /* 0xc2 */ 406 TVP5150_INT_CONF,0x04 407 }, 408 { /* 0xc8 */ 409 TVP5150_FIFO_INT_THRESHOLD,0x80 410 }, 411 { /* 0xc9 */ 412 TVP5150_FIFO_RESET,0x00 413 }, 414 { /* 0xca */ 415 TVP5150_LINE_NUMBER_INT,0x00 416 }, 417 { /* 0xcb */ 418 TVP5150_PIX_ALIGN_REG_LOW,0x4e 419 }, 420 { /* 0xcc */ 421 TVP5150_PIX_ALIGN_REG_HIGH,0x00 422 }, 423 { /* 0xcd */ 424 TVP5150_FIFO_OUT_CTRL,0x01 425 }, 426 { /* 0xcf */ 427 TVP5150_FULL_FIELD_ENA,0x00 428 }, 429 { /* 0xd0 */ 430 TVP5150_LINE_MODE_INI,0x00 431 }, 432 { /* 0xfc */ 433 TVP5150_FULL_FIELD_MODE_REG,0x7f 434 }, 435 { /* end of data */ 436 0xff,0xff 437 } 438 }; 439 440 /* Default values as sugested at TVP5150AM1 datasheet */ 441 static const struct i2c_reg_value tvp5150_init_enable[] = { 442 { 443 TVP5150_CONF_SHARED_PIN, 2 444 },{ /* Automatic offset and AGC enabled */ 445 TVP5150_ANAL_CHL_CTL, 0x15 446 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 447 TVP5150_MISC_CTL, 0x6f 448 },{ /* Activates video std autodetection for all standards */ 449 TVP5150_AUTOSW_MSK, 0x0 450 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 451 TVP5150_DATA_RATE_SEL, 0x47 452 },{ 453 TVP5150_CHROMA_PROC_CTL_1, 0x0c 454 },{ 455 TVP5150_CHROMA_PROC_CTL_2, 0x54 456 },{ /* Non documented, but initialized on WinTV USB2 */ 457 0x27, 0x20 458 },{ 459 0xff,0xff 460 } 461 }; 462 463 struct tvp5150_vbi_type { 464 unsigned int vbi_type; 465 unsigned int ini_line; 466 unsigned int end_line; 467 unsigned int by_field :1; 468 }; 469 470 struct i2c_vbi_ram_value { 471 u16 reg; 472 struct tvp5150_vbi_type type; 473 unsigned char values[16]; 474 }; 475 476 /* This struct have the values for each supported VBI Standard 477 * by 478 tvp5150_vbi_types should follow the same order as vbi_ram_default 479 * value 0 means rom position 0x10, value 1 means rom position 0x30 480 * and so on. There are 16 possible locations from 0 to 15. 481 */ 482 483 static struct i2c_vbi_ram_value vbi_ram_default[] = 484 { 485 /* FIXME: Current api doesn't handle all VBI types, those not 486 yet supported are placed under #if 0 */ 487 #if 0 488 {0x010, /* Teletext, SECAM, WST System A */ 489 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 490 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 491 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 492 }, 493 #endif 494 {0x030, /* Teletext, PAL, WST System B */ 495 {V4L2_SLICED_TELETEXT_B,6,22,1}, 496 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 497 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 498 }, 499 #if 0 500 {0x050, /* Teletext, PAL, WST System C */ 501 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 502 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 503 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 504 }, 505 {0x070, /* Teletext, NTSC, WST System B */ 506 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 507 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 508 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 509 }, 510 {0x090, /* Tetetext, NTSC NABTS System C */ 511 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 512 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 513 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 514 }, 515 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 516 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 517 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 518 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 519 }, 520 {0x0d0, /* Closed Caption, PAL/SECAM */ 521 {V4L2_SLICED_CAPTION_625,22,22,1}, 522 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 523 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 524 }, 525 #endif 526 {0x0f0, /* Closed Caption, NTSC */ 527 {V4L2_SLICED_CAPTION_525,21,21,1}, 528 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 529 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 530 }, 531 {0x110, /* Wide Screen Signal, PAL/SECAM */ 532 {V4L2_SLICED_WSS_625,23,23,1}, 533 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 534 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 535 }, 536 #if 0 537 {0x130, /* Wide Screen Signal, NTSC C */ 538 {V4L2_SLICED_WSS_525,20,20,1}, 539 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 540 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 541 }, 542 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 543 {V4l2_SLICED_VITC_625,6,22,0}, 544 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 545 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 546 }, 547 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 548 {V4l2_SLICED_VITC_525,10,20,0}, 549 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 550 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 551 }, 552 #endif 553 {0x190, /* Video Program System (VPS), PAL */ 554 {V4L2_SLICED_VPS,16,16,0}, 555 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 556 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 557 }, 558 /* 0x1d0 User programmable */ 559 560 /* End of struct */ 561 { (u16)-1 } 562 }; 563 564 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 565 const struct i2c_reg_value *regs) 566 { 567 while (regs->reg != 0xff) { 568 tvp5150_write(sd, regs->reg, regs->value); 569 regs++; 570 } 571 return 0; 572 } 573 574 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 575 const struct i2c_vbi_ram_value *regs) 576 { 577 unsigned int i; 578 579 /* Disable Full Field */ 580 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 581 582 /* Before programming, Line mode should be at 0xff */ 583 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 584 tvp5150_write(sd, i, 0xff); 585 586 /* Load Ram Table */ 587 while (regs->reg != (u16)-1) { 588 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 589 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 590 591 for (i = 0; i < 16; i++) 592 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 593 594 regs++; 595 } 596 return 0; 597 } 598 599 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 600 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 601 struct v4l2_sliced_vbi_cap *cap) 602 { 603 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 604 int line; 605 606 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 607 memset(cap, 0, sizeof *cap); 608 609 while (regs->reg != (u16)-1 ) { 610 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 611 cap->service_lines[0][line] |= regs->type.vbi_type; 612 } 613 cap->service_set |= regs->type.vbi_type; 614 615 regs++; 616 } 617 return 0; 618 } 619 620 /* Set vbi processing 621 * type - one of tvp5150_vbi_types 622 * line - line to gather data 623 * fields: bit 0 field1, bit 1, field2 624 * flags (default=0xf0) is a bitmask, were set means: 625 * bit 7: enable filtering null bytes on CC 626 * bit 6: send data also to FIFO 627 * bit 5: don't allow data with errors on FIFO 628 * bit 4: enable ECC when possible 629 * pix_align = pix alignment: 630 * LSB = field1 631 * MSB = field2 632 */ 633 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 634 const struct i2c_vbi_ram_value *regs, 635 unsigned int type,u8 flags, int line, 636 const int fields) 637 { 638 struct tvp5150 *decoder = to_tvp5150(sd); 639 v4l2_std_id std = decoder->norm; 640 u8 reg; 641 int pos=0; 642 643 if (std == V4L2_STD_ALL) { 644 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 645 return 0; 646 } else if (std & V4L2_STD_625_50) { 647 /* Don't follow NTSC Line number convension */ 648 line += 3; 649 } 650 651 if (line<6||line>27) 652 return 0; 653 654 while (regs->reg != (u16)-1 ) { 655 if ((type & regs->type.vbi_type) && 656 (line>=regs->type.ini_line) && 657 (line<=regs->type.end_line)) { 658 type=regs->type.vbi_type; 659 break; 660 } 661 662 regs++; 663 pos++; 664 } 665 if (regs->reg == (u16)-1) 666 return 0; 667 668 type=pos | (flags & 0xf0); 669 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 670 671 if (fields&1) { 672 tvp5150_write(sd, reg, type); 673 } 674 675 if (fields&2) { 676 tvp5150_write(sd, reg+1, type); 677 } 678 679 return type; 680 } 681 682 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 683 const struct i2c_vbi_ram_value *regs, int line) 684 { 685 struct tvp5150 *decoder = to_tvp5150(sd); 686 v4l2_std_id std = decoder->norm; 687 u8 reg; 688 int pos, type = 0; 689 int i, ret = 0; 690 691 if (std == V4L2_STD_ALL) { 692 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 693 return 0; 694 } else if (std & V4L2_STD_625_50) { 695 /* Don't follow NTSC Line number convension */ 696 line += 3; 697 } 698 699 if (line < 6 || line > 27) 700 return 0; 701 702 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 703 704 for (i = 0; i <= 1; i++) { 705 ret = tvp5150_read(sd, reg + i); 706 if (ret < 0) { 707 v4l2_err(sd, "%s: failed with error = %d\n", 708 __func__, ret); 709 return 0; 710 } 711 pos = ret & 0x0f; 712 if (pos < 0x0f) 713 type |= regs[pos].type.vbi_type; 714 } 715 716 return type; 717 } 718 719 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 720 { 721 struct tvp5150 *decoder = to_tvp5150(sd); 722 int fmt = 0; 723 724 decoder->norm = std; 725 726 /* First tests should be against specific std */ 727 728 if (std == V4L2_STD_NTSC_443) { 729 fmt = VIDEO_STD_NTSC_4_43_BIT; 730 } else if (std == V4L2_STD_PAL_M) { 731 fmt = VIDEO_STD_PAL_M_BIT; 732 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 733 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 734 } else { 735 /* Then, test against generic ones */ 736 if (std & V4L2_STD_NTSC) 737 fmt = VIDEO_STD_NTSC_MJ_BIT; 738 else if (std & V4L2_STD_PAL) 739 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 740 else if (std & V4L2_STD_SECAM) 741 fmt = VIDEO_STD_SECAM_BIT; 742 } 743 744 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 745 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 746 return 0; 747 } 748 749 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 750 { 751 struct tvp5150 *decoder = to_tvp5150(sd); 752 753 if (decoder->norm == std) 754 return 0; 755 756 /* Change cropping height limits */ 757 if (std & V4L2_STD_525_60) 758 decoder->rect.height = TVP5150_V_MAX_525_60; 759 else 760 decoder->rect.height = TVP5150_V_MAX_OTHERS; 761 762 763 return tvp5150_set_std(sd, std); 764 } 765 766 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 767 { 768 struct tvp5150 *decoder = to_tvp5150(sd); 769 770 /* Initializes TVP5150 to its default values */ 771 tvp5150_write_inittab(sd, tvp5150_init_default); 772 773 /* Initializes VDP registers */ 774 tvp5150_vdp_init(sd, vbi_ram_default); 775 776 /* Selects decoder input */ 777 tvp5150_selmux(sd); 778 779 /* Initializes TVP5150 to stream enabled values */ 780 tvp5150_write_inittab(sd, tvp5150_init_enable); 781 782 /* Initialize image preferences */ 783 v4l2_ctrl_handler_setup(&decoder->hdl); 784 785 tvp5150_set_std(sd, decoder->norm); 786 787 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 788 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 789 790 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_fill_fmt(struct v4l2_subdev *sd, 837 struct v4l2_subdev_pad_config *cfg, 838 struct v4l2_subdev_format *format) 839 { 840 struct v4l2_mbus_framefmt *f; 841 struct tvp5150 *decoder = to_tvp5150(sd); 842 843 if (!format || format->pad) 844 return -EINVAL; 845 846 f = &format->format; 847 848 tvp5150_reset(sd, 0); 849 850 f->width = decoder->rect.width; 851 f->height = decoder->rect.height / 2; 852 853 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 854 f->field = V4L2_FIELD_ALTERNATE; 855 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 856 857 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, 858 f->height); 859 return 0; 860 } 861 862 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) 863 { 864 struct v4l2_rect rect = a->c; 865 struct tvp5150 *decoder = to_tvp5150(sd); 866 v4l2_std_id std; 867 unsigned int hmax; 868 869 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n", 870 __func__, rect.left, rect.top, rect.width, rect.height); 871 872 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 873 return -EINVAL; 874 875 /* tvp5150 has some special limits */ 876 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 877 rect.width = clamp_t(unsigned int, rect.width, 878 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 879 TVP5150_H_MAX - rect.left); 880 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 881 882 /* Calculate height based on current standard */ 883 if (decoder->norm == V4L2_STD_ALL) 884 std = tvp5150_read_std(sd); 885 else 886 std = decoder->norm; 887 888 if (std & V4L2_STD_525_60) 889 hmax = TVP5150_V_MAX_525_60; 890 else 891 hmax = TVP5150_V_MAX_OTHERS; 892 893 rect.height = clamp_t(unsigned int, rect.height, 894 hmax - TVP5150_MAX_CROP_TOP - rect.top, 895 hmax - rect.top); 896 897 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 898 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 899 rect.top + rect.height - hmax); 900 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 901 rect.left >> TVP5150_CROP_SHIFT); 902 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 903 rect.left | (1 << TVP5150_CROP_SHIFT)); 904 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 905 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 906 TVP5150_CROP_SHIFT); 907 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 908 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 909 910 decoder->rect = rect; 911 912 return 0; 913 } 914 915 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 916 { 917 struct tvp5150 *decoder = to_tvp5150(sd); 918 919 a->c = decoder->rect; 920 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 921 922 return 0; 923 } 924 925 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) 926 { 927 struct tvp5150 *decoder = to_tvp5150(sd); 928 v4l2_std_id std; 929 930 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 931 return -EINVAL; 932 933 a->bounds.left = 0; 934 a->bounds.top = 0; 935 a->bounds.width = TVP5150_H_MAX; 936 937 /* Calculate height based on current standard */ 938 if (decoder->norm == V4L2_STD_ALL) 939 std = tvp5150_read_std(sd); 940 else 941 std = decoder->norm; 942 943 if (std & V4L2_STD_525_60) 944 a->bounds.height = TVP5150_V_MAX_525_60; 945 else 946 a->bounds.height = TVP5150_V_MAX_OTHERS; 947 948 a->defrect = a->bounds; 949 a->pixelaspect.numerator = 1; 950 a->pixelaspect.denominator = 1; 951 952 return 0; 953 } 954 955 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 956 struct v4l2_mbus_config *cfg) 957 { 958 struct tvp5150 *decoder = to_tvp5150(sd); 959 960 cfg->type = decoder->mbus_type; 961 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 962 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 963 964 return 0; 965 } 966 967 /**************************************************************************** 968 V4L2 subdev pad ops 969 ****************************************************************************/ 970 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 971 struct v4l2_subdev_pad_config *cfg, 972 struct v4l2_subdev_mbus_code_enum *code) 973 { 974 if (code->pad || code->index) 975 return -EINVAL; 976 977 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 978 return 0; 979 } 980 981 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 982 struct v4l2_subdev_pad_config *cfg, 983 struct v4l2_subdev_frame_size_enum *fse) 984 { 985 struct tvp5150 *decoder = to_tvp5150(sd); 986 987 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 988 return -EINVAL; 989 990 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 991 fse->min_width = decoder->rect.width; 992 fse->max_width = decoder->rect.width; 993 fse->min_height = decoder->rect.height / 2; 994 fse->max_height = decoder->rect.height / 2; 995 996 return 0; 997 } 998 999 /**************************************************************************** 1000 I2C Command 1001 ****************************************************************************/ 1002 1003 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1004 { 1005 struct tvp5150 *decoder = to_tvp5150(sd); 1006 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ 1007 int val = 0x09; 1008 1009 /* Output format: 8-bit 4:2:2 YUV with discrete sync */ 1010 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1011 val = 0x0d; 1012 1013 /* Initializes TVP5150 to its default values */ 1014 /* # set PCLK (27MHz) */ 1015 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); 1016 1017 if (enable) 1018 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1019 else 1020 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); 1021 1022 return 0; 1023 } 1024 1025 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1026 u32 input, u32 output, u32 config) 1027 { 1028 struct tvp5150 *decoder = to_tvp5150(sd); 1029 1030 decoder->input = input; 1031 decoder->output = output; 1032 tvp5150_selmux(sd); 1033 return 0; 1034 } 1035 1036 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1037 { 1038 /* this is for capturing 36 raw vbi lines 1039 if there's a way to cut off the beginning 2 vbi lines 1040 with the tvp5150 then the vbi line count could be lowered 1041 to 17 lines/field again, although I couldn't find a register 1042 which could do that cropping */ 1043 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1044 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1045 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1046 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1047 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1048 } 1049 return 0; 1050 } 1051 1052 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1053 { 1054 int i; 1055 1056 if (svbi->service_set != 0) { 1057 for (i = 0; i <= 23; i++) { 1058 svbi->service_lines[1][i] = 0; 1059 svbi->service_lines[0][i] = 1060 tvp5150_set_vbi(sd, vbi_ram_default, 1061 svbi->service_lines[0][i], 0xf0, i, 3); 1062 } 1063 /* Enables FIFO */ 1064 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1065 } else { 1066 /* Disables FIFO*/ 1067 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1068 1069 /* Disable Full Field */ 1070 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1071 1072 /* Disable Line modes */ 1073 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1074 tvp5150_write(sd, i, 0xff); 1075 } 1076 return 0; 1077 } 1078 1079 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1080 { 1081 int i, mask = 0; 1082 1083 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1084 1085 for (i = 0; i <= 23; i++) { 1086 svbi->service_lines[0][i] = 1087 tvp5150_get_vbi(sd, vbi_ram_default, i); 1088 mask |= svbi->service_lines[0][i]; 1089 } 1090 svbi->service_set = mask; 1091 return 0; 1092 } 1093 1094 #ifdef CONFIG_VIDEO_ADV_DEBUG 1095 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1096 { 1097 int res; 1098 1099 res = tvp5150_read(sd, reg->reg & 0xff); 1100 if (res < 0) { 1101 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res); 1102 return res; 1103 } 1104 1105 reg->val = res; 1106 reg->size = 1; 1107 return 0; 1108 } 1109 1110 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1111 { 1112 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1113 return 0; 1114 } 1115 #endif 1116 1117 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1118 { 1119 int status = tvp5150_read(sd, 0x88); 1120 1121 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1122 return 0; 1123 } 1124 1125 /* ----------------------------------------------------------------------- */ 1126 1127 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1128 .s_ctrl = tvp5150_s_ctrl, 1129 }; 1130 1131 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1132 .log_status = tvp5150_log_status, 1133 .reset = tvp5150_reset, 1134 #ifdef CONFIG_VIDEO_ADV_DEBUG 1135 .g_register = tvp5150_g_register, 1136 .s_register = tvp5150_s_register, 1137 #endif 1138 }; 1139 1140 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1141 .g_tuner = tvp5150_g_tuner, 1142 }; 1143 1144 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1145 .s_std = tvp5150_s_std, 1146 .s_stream = tvp5150_s_stream, 1147 .s_routing = tvp5150_s_routing, 1148 .s_crop = tvp5150_s_crop, 1149 .g_crop = tvp5150_g_crop, 1150 .cropcap = tvp5150_cropcap, 1151 .g_mbus_config = tvp5150_g_mbus_config, 1152 }; 1153 1154 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1155 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1156 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1157 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1158 .s_raw_fmt = tvp5150_s_raw_fmt, 1159 }; 1160 1161 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1162 .enum_mbus_code = tvp5150_enum_mbus_code, 1163 .enum_frame_size = tvp5150_enum_frame_size, 1164 .set_fmt = tvp5150_fill_fmt, 1165 .get_fmt = tvp5150_fill_fmt, 1166 }; 1167 1168 static const struct v4l2_subdev_ops tvp5150_ops = { 1169 .core = &tvp5150_core_ops, 1170 .tuner = &tvp5150_tuner_ops, 1171 .video = &tvp5150_video_ops, 1172 .vbi = &tvp5150_vbi_ops, 1173 .pad = &tvp5150_pad_ops, 1174 }; 1175 1176 1177 /**************************************************************************** 1178 I2C Client & Driver 1179 ****************************************************************************/ 1180 1181 static int tvp5150_detect_version(struct tvp5150 *core) 1182 { 1183 struct v4l2_subdev *sd = &core->sd; 1184 struct i2c_client *c = v4l2_get_subdevdata(sd); 1185 unsigned int i; 1186 u8 regs[4]; 1187 int res; 1188 1189 /* 1190 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1191 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1192 */ 1193 for (i = 0; i < 4; i++) { 1194 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1195 if (res < 0) 1196 return res; 1197 regs[i] = res; 1198 } 1199 1200 core->dev_id = (regs[0] << 8) | regs[1]; 1201 core->rom_ver = (regs[2] << 8) | regs[3]; 1202 1203 v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1204 core->dev_id, regs[2], regs[3], c->addr << 1, 1205 c->adapter->name); 1206 1207 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1208 v4l2_info(sd, "tvp5150a detected.\n"); 1209 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1210 v4l2_info(sd, "tvp5150am1 detected.\n"); 1211 1212 /* ITU-T BT.656.4 timing */ 1213 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1214 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1215 v4l2_info(sd, "tvp5151 detected.\n"); 1216 } else { 1217 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", 1218 core->dev_id); 1219 } 1220 1221 return 0; 1222 } 1223 1224 static int tvp5150_init(struct i2c_client *c) 1225 { 1226 struct gpio_desc *pdn_gpio; 1227 struct gpio_desc *reset_gpio; 1228 1229 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1230 if (IS_ERR(pdn_gpio)) 1231 return PTR_ERR(pdn_gpio); 1232 1233 if (pdn_gpio) { 1234 gpiod_set_value_cansleep(pdn_gpio, 0); 1235 /* Delay time between power supplies active and reset */ 1236 msleep(20); 1237 } 1238 1239 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1240 if (IS_ERR(reset_gpio)) 1241 return PTR_ERR(reset_gpio); 1242 1243 if (reset_gpio) { 1244 /* RESETB pulse duration */ 1245 ndelay(500); 1246 gpiod_set_value_cansleep(reset_gpio, 0); 1247 /* Delay time between end of reset to I2C active */ 1248 usleep_range(200, 250); 1249 } 1250 1251 return 0; 1252 } 1253 1254 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1255 { 1256 struct v4l2_of_endpoint bus_cfg; 1257 struct device_node *ep; 1258 unsigned int flags; 1259 int ret = 0; 1260 1261 ep = of_graph_get_next_endpoint(np, NULL); 1262 if (!ep) 1263 return -EINVAL; 1264 1265 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1266 if (ret) 1267 goto err; 1268 1269 flags = bus_cfg.bus.parallel.flags; 1270 1271 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1272 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1273 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1274 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1275 ret = -EINVAL; 1276 goto err; 1277 } 1278 1279 decoder->mbus_type = bus_cfg.bus_type; 1280 1281 err: 1282 of_node_put(ep); 1283 return ret; 1284 } 1285 1286 static int tvp5150_probe(struct i2c_client *c, 1287 const struct i2c_device_id *id) 1288 { 1289 struct tvp5150 *core; 1290 struct v4l2_subdev *sd; 1291 struct device_node *np = c->dev.of_node; 1292 int res; 1293 1294 /* Check if the adapter supports the needed features */ 1295 if (!i2c_check_functionality(c->adapter, 1296 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1297 return -EIO; 1298 1299 res = tvp5150_init(c); 1300 if (res) 1301 return res; 1302 1303 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1304 if (!core) 1305 return -ENOMEM; 1306 1307 sd = &core->sd; 1308 1309 if (IS_ENABLED(CONFIG_OF) && np) { 1310 res = tvp5150_parse_dt(core, np); 1311 if (res) { 1312 v4l2_err(sd, "DT parsing error: %d\n", res); 1313 return res; 1314 } 1315 } else { 1316 /* Default to BT.656 embedded sync */ 1317 core->mbus_type = V4L2_MBUS_BT656; 1318 } 1319 1320 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1321 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1322 1323 #if defined(CONFIG_MEDIA_CONTROLLER) 1324 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1325 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1326 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1327 1328 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1329 1330 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1331 if (res < 0) 1332 return res; 1333 #endif 1334 1335 res = tvp5150_detect_version(core); 1336 if (res < 0) 1337 return res; 1338 1339 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1340 core->input = TVP5150_COMPOSITE1; 1341 core->enable = 1; 1342 1343 v4l2_ctrl_handler_init(&core->hdl, 5); 1344 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1345 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1346 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1347 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1348 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1349 V4L2_CID_SATURATION, 0, 255, 1, 128); 1350 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1351 V4L2_CID_HUE, -128, 127, 1, 0); 1352 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1353 V4L2_CID_PIXEL_RATE, 27000000, 1354 27000000, 1, 27000000); 1355 sd->ctrl_handler = &core->hdl; 1356 if (core->hdl.error) { 1357 res = core->hdl.error; 1358 goto err; 1359 } 1360 v4l2_ctrl_handler_setup(&core->hdl); 1361 1362 /* Default is no cropping */ 1363 core->rect.top = 0; 1364 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1365 core->rect.height = TVP5150_V_MAX_525_60; 1366 else 1367 core->rect.height = TVP5150_V_MAX_OTHERS; 1368 core->rect.left = 0; 1369 core->rect.width = TVP5150_H_MAX; 1370 1371 res = v4l2_async_register_subdev(sd); 1372 if (res < 0) 1373 goto err; 1374 1375 if (debug > 1) 1376 tvp5150_log_status(sd); 1377 return 0; 1378 1379 err: 1380 v4l2_ctrl_handler_free(&core->hdl); 1381 return res; 1382 } 1383 1384 static int tvp5150_remove(struct i2c_client *c) 1385 { 1386 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1387 struct tvp5150 *decoder = to_tvp5150(sd); 1388 1389 v4l2_dbg(1, debug, sd, 1390 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1391 c->addr << 1); 1392 1393 v4l2_async_unregister_subdev(sd); 1394 v4l2_ctrl_handler_free(&decoder->hdl); 1395 return 0; 1396 } 1397 1398 /* ----------------------------------------------------------------------- */ 1399 1400 static const struct i2c_device_id tvp5150_id[] = { 1401 { "tvp5150", 0 }, 1402 { } 1403 }; 1404 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1405 1406 #if IS_ENABLED(CONFIG_OF) 1407 static const struct of_device_id tvp5150_of_match[] = { 1408 { .compatible = "ti,tvp5150", }, 1409 { /* sentinel */ }, 1410 }; 1411 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1412 #endif 1413 1414 static struct i2c_driver tvp5150_driver = { 1415 .driver = { 1416 .of_match_table = of_match_ptr(tvp5150_of_match), 1417 .name = "tvp5150", 1418 }, 1419 .probe = tvp5150_probe, 1420 .remove = tvp5150_remove, 1421 .id_table = tvp5150_id, 1422 }; 1423 1424 module_i2c_driver(tvp5150_driver); 1425