1 /* 2 * tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 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/TVP5150AM1/TVP5151 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 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg) 40 41 struct tvp5150 { 42 struct v4l2_subdev sd; 43 #ifdef CONFIG_MEDIA_CONTROLLER 44 struct media_pad pads[DEMOD_NUM_PADS]; 45 struct media_entity input_ent[TVP5150_INPUT_NUM]; 46 struct media_pad input_pad[TVP5150_INPUT_NUM]; 47 #endif 48 struct v4l2_ctrl_handler hdl; 49 struct v4l2_rect rect; 50 51 v4l2_std_id norm; /* Current set standard */ 52 u32 input; 53 u32 output; 54 int enable; 55 56 u16 dev_id; 57 u16 rom_ver; 58 59 enum v4l2_mbus_type mbus_type; 60 }; 61 62 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 63 { 64 return container_of(sd, struct tvp5150, sd); 65 } 66 67 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 68 { 69 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 70 } 71 72 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 73 { 74 struct i2c_client *c = v4l2_get_subdevdata(sd); 75 int rc; 76 77 rc = i2c_smbus_read_byte_data(c, addr); 78 if (rc < 0) { 79 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 80 return rc; 81 } 82 83 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc); 84 85 return rc; 86 } 87 88 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 89 unsigned char value) 90 { 91 struct i2c_client *c = v4l2_get_subdevdata(sd); 92 int rc; 93 94 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value); 95 rc = i2c_smbus_write_byte_data(c, addr, value); 96 if (rc < 0) 97 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 98 99 return rc; 100 } 101 102 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 103 const u8 end, int max_line) 104 { 105 u8 buf[16]; 106 int i = 0, j, len; 107 108 if (max_line > 16) { 109 dprintk0(sd->dev, "too much data to dump\n"); 110 return; 111 } 112 113 for (i = init; i < end; i += max_line) { 114 len = (end - i > max_line) ? max_line : end - i; 115 116 for (j = 0; j < len; j++) 117 buf[j] = tvp5150_read(sd, i + j); 118 119 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf); 120 } 121 } 122 123 static int tvp5150_log_status(struct v4l2_subdev *sd) 124 { 125 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n", 126 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 127 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n", 128 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 129 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n", 130 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 131 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n", 132 tvp5150_read(sd, TVP5150_MISC_CTL)); 133 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n", 134 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 135 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n", 136 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 137 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 138 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 141 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n", 142 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 143 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n", 144 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 145 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n", 146 tvp5150_read(sd, TVP5150_HUE_CTL)); 147 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n", 148 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 149 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n", 150 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 151 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n", 152 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 153 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n", 154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 156 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n", 157 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 159 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n", 160 tvp5150_read(sd, TVP5150_GENLOCK)); 161 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n", 162 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 163 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n", 164 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 165 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n", 166 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 167 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 168 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 170 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n", 171 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 172 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n", 173 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 174 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n", 175 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 176 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n", 177 tvp5150_read(sd, TVP5150_VIDEO_STD)); 178 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 179 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 180 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 181 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n", 182 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 183 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n", 184 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 185 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 186 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 187 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n", 188 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 189 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 190 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n", 191 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 192 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 193 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n", 194 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 196 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n", 197 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 198 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n", 199 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 200 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 201 tvp5150_read(sd, TVP5150_STATUS_REG_1), 202 tvp5150_read(sd, TVP5150_STATUS_REG_2), 203 tvp5150_read(sd, TVP5150_STATUS_REG_3), 204 tvp5150_read(sd, TVP5150_STATUS_REG_4), 205 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 206 207 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 208 TVP5150_TELETEXT_FIL1_END, 8); 209 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 210 TVP5150_TELETEXT_FIL2_END, 8); 211 212 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n", 213 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 214 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n", 215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 216 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n", 217 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 218 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n", 219 tvp5150_read(sd, TVP5150_INT_CONF)); 220 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n", 221 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 222 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n", 223 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 224 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n", 225 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 226 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n", 227 tvp5150_read(sd, TVP5150_FIFO_RESET)); 228 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n", 229 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 230 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n", 231 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 233 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n", 234 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 235 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n", 236 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 237 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n", 238 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 239 240 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 241 TVP5150_CC_DATA_END, 8); 242 243 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 244 TVP5150_WSS_DATA_END, 8); 245 246 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 247 TVP5150_VPS_DATA_END, 8); 248 249 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 250 TVP5150_VITC_DATA_END, 10); 251 252 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 253 TVP5150_LINE_MODE_END, 8); 254 return 0; 255 } 256 257 /**************************************************************************** 258 Basic functions 259 ****************************************************************************/ 260 261 static void tvp5150_selmux(struct v4l2_subdev *sd) 262 { 263 int opmode = 0; 264 struct tvp5150 *decoder = to_tvp5150(sd); 265 int input = 0; 266 int val; 267 268 /* Only tvp5150am1 and tvp5151 have signal generator support */ 269 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 270 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 271 if (!decoder->enable) 272 input = 8; 273 } 274 275 switch (decoder->input) { 276 case TVP5150_COMPOSITE1: 277 input |= 2; 278 /* fall through */ 279 case TVP5150_COMPOSITE0: 280 break; 281 case TVP5150_SVIDEO: 282 default: 283 input |= 1; 284 break; 285 } 286 287 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n", 288 decoder->input, decoder->output, 289 input, opmode); 290 291 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 292 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 293 294 /* Svideo should enable YCrCb output and disable GPCL output 295 * For Composite and TV, it should be the reverse 296 */ 297 val = tvp5150_read(sd, TVP5150_MISC_CTL); 298 if (val < 0) { 299 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val); 300 return; 301 } 302 303 if (decoder->input == TVP5150_SVIDEO) 304 val = (val & ~0x40) | 0x10; 305 else 306 val = (val & ~0x10) | 0x40; 307 tvp5150_write(sd, TVP5150_MISC_CTL, val); 308 }; 309 310 struct i2c_reg_value { 311 unsigned char reg; 312 unsigned char value; 313 }; 314 315 /* Default values as sugested at TVP5150AM1 datasheet */ 316 static const struct i2c_reg_value tvp5150_init_default[] = { 317 { /* 0x00 */ 318 TVP5150_VD_IN_SRC_SEL_1,0x00 319 }, 320 { /* 0x01 */ 321 TVP5150_ANAL_CHL_CTL,0x15 322 }, 323 { /* 0x02 */ 324 TVP5150_OP_MODE_CTL,0x00 325 }, 326 { /* 0x03 */ 327 TVP5150_MISC_CTL,0x01 328 }, 329 { /* 0x06 */ 330 TVP5150_COLOR_KIL_THSH_CTL,0x10 331 }, 332 { /* 0x07 */ 333 TVP5150_LUMA_PROC_CTL_1,0x60 334 }, 335 { /* 0x08 */ 336 TVP5150_LUMA_PROC_CTL_2,0x00 337 }, 338 { /* 0x09 */ 339 TVP5150_BRIGHT_CTL,0x80 340 }, 341 { /* 0x0a */ 342 TVP5150_SATURATION_CTL,0x80 343 }, 344 { /* 0x0b */ 345 TVP5150_HUE_CTL,0x00 346 }, 347 { /* 0x0c */ 348 TVP5150_CONTRAST_CTL,0x80 349 }, 350 { /* 0x0d */ 351 TVP5150_DATA_RATE_SEL,0x47 352 }, 353 { /* 0x0e */ 354 TVP5150_LUMA_PROC_CTL_3,0x00 355 }, 356 { /* 0x0f */ 357 TVP5150_CONF_SHARED_PIN,0x08 358 }, 359 { /* 0x11 */ 360 TVP5150_ACT_VD_CROP_ST_MSB,0x00 361 }, 362 { /* 0x12 */ 363 TVP5150_ACT_VD_CROP_ST_LSB,0x00 364 }, 365 { /* 0x13 */ 366 TVP5150_ACT_VD_CROP_STP_MSB,0x00 367 }, 368 { /* 0x14 */ 369 TVP5150_ACT_VD_CROP_STP_LSB,0x00 370 }, 371 { /* 0x15 */ 372 TVP5150_GENLOCK,0x01 373 }, 374 { /* 0x16 */ 375 TVP5150_HORIZ_SYNC_START,0x80 376 }, 377 { /* 0x18 */ 378 TVP5150_VERT_BLANKING_START,0x00 379 }, 380 { /* 0x19 */ 381 TVP5150_VERT_BLANKING_STOP,0x00 382 }, 383 { /* 0x1a */ 384 TVP5150_CHROMA_PROC_CTL_1,0x0c 385 }, 386 { /* 0x1b */ 387 TVP5150_CHROMA_PROC_CTL_2,0x14 388 }, 389 { /* 0x1c */ 390 TVP5150_INT_RESET_REG_B,0x00 391 }, 392 { /* 0x1d */ 393 TVP5150_INT_ENABLE_REG_B,0x00 394 }, 395 { /* 0x1e */ 396 TVP5150_INTT_CONFIG_REG_B,0x00 397 }, 398 { /* 0x28 */ 399 TVP5150_VIDEO_STD,0x00 400 }, 401 { /* 0x2e */ 402 TVP5150_MACROVISION_ON_CTR,0x0f 403 }, 404 { /* 0x2f */ 405 TVP5150_MACROVISION_OFF_CTR,0x01 406 }, 407 { /* 0xbb */ 408 TVP5150_TELETEXT_FIL_ENA,0x00 409 }, 410 { /* 0xc0 */ 411 TVP5150_INT_STATUS_REG_A,0x00 412 }, 413 { /* 0xc1 */ 414 TVP5150_INT_ENABLE_REG_A,0x00 415 }, 416 { /* 0xc2 */ 417 TVP5150_INT_CONF,0x04 418 }, 419 { /* 0xc8 */ 420 TVP5150_FIFO_INT_THRESHOLD,0x80 421 }, 422 { /* 0xc9 */ 423 TVP5150_FIFO_RESET,0x00 424 }, 425 { /* 0xca */ 426 TVP5150_LINE_NUMBER_INT,0x00 427 }, 428 { /* 0xcb */ 429 TVP5150_PIX_ALIGN_REG_LOW,0x4e 430 }, 431 { /* 0xcc */ 432 TVP5150_PIX_ALIGN_REG_HIGH,0x00 433 }, 434 { /* 0xcd */ 435 TVP5150_FIFO_OUT_CTRL,0x01 436 }, 437 { /* 0xcf */ 438 TVP5150_FULL_FIELD_ENA,0x00 439 }, 440 { /* 0xd0 */ 441 TVP5150_LINE_MODE_INI,0x00 442 }, 443 { /* 0xfc */ 444 TVP5150_FULL_FIELD_MODE_REG,0x7f 445 }, 446 { /* end of data */ 447 0xff,0xff 448 } 449 }; 450 451 /* Default values as sugested at TVP5150AM1 datasheet */ 452 static const struct i2c_reg_value tvp5150_init_enable[] = { 453 { 454 TVP5150_CONF_SHARED_PIN, 2 455 },{ /* Automatic offset and AGC enabled */ 456 TVP5150_ANAL_CHL_CTL, 0x15 457 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 458 TVP5150_MISC_CTL, 0x6f 459 },{ /* Activates video std autodetection for all standards */ 460 TVP5150_AUTOSW_MSK, 0x0 461 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 462 TVP5150_DATA_RATE_SEL, 0x47 463 },{ 464 TVP5150_CHROMA_PROC_CTL_1, 0x0c 465 },{ 466 TVP5150_CHROMA_PROC_CTL_2, 0x54 467 },{ /* Non documented, but initialized on WinTV USB2 */ 468 0x27, 0x20 469 },{ 470 0xff,0xff 471 } 472 }; 473 474 struct tvp5150_vbi_type { 475 unsigned int vbi_type; 476 unsigned int ini_line; 477 unsigned int end_line; 478 unsigned int by_field :1; 479 }; 480 481 struct i2c_vbi_ram_value { 482 u16 reg; 483 struct tvp5150_vbi_type type; 484 unsigned char values[16]; 485 }; 486 487 /* This struct have the values for each supported VBI Standard 488 * by 489 tvp5150_vbi_types should follow the same order as vbi_ram_default 490 * value 0 means rom position 0x10, value 1 means rom position 0x30 491 * and so on. There are 16 possible locations from 0 to 15. 492 */ 493 494 static struct i2c_vbi_ram_value vbi_ram_default[] = 495 { 496 /* FIXME: Current api doesn't handle all VBI types, those not 497 yet supported are placed under #if 0 */ 498 #if 0 499 {0x010, /* Teletext, SECAM, WST System A */ 500 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 501 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 502 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 503 }, 504 #endif 505 {0x030, /* Teletext, PAL, WST System B */ 506 {V4L2_SLICED_TELETEXT_B,6,22,1}, 507 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 508 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 509 }, 510 #if 0 511 {0x050, /* Teletext, PAL, WST System C */ 512 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 513 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 514 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 515 }, 516 {0x070, /* Teletext, NTSC, WST System B */ 517 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 518 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 519 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 520 }, 521 {0x090, /* Tetetext, NTSC NABTS System C */ 522 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 523 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 524 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 525 }, 526 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 527 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 528 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 529 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 530 }, 531 {0x0d0, /* Closed Caption, PAL/SECAM */ 532 {V4L2_SLICED_CAPTION_625,22,22,1}, 533 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 534 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 535 }, 536 #endif 537 {0x0f0, /* Closed Caption, NTSC */ 538 {V4L2_SLICED_CAPTION_525,21,21,1}, 539 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 540 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 541 }, 542 {0x110, /* Wide Screen Signal, PAL/SECAM */ 543 {V4L2_SLICED_WSS_625,23,23,1}, 544 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 545 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 546 }, 547 #if 0 548 {0x130, /* Wide Screen Signal, NTSC C */ 549 {V4L2_SLICED_WSS_525,20,20,1}, 550 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 551 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 552 }, 553 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 554 {V4l2_SLICED_VITC_625,6,22,0}, 555 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 556 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 557 }, 558 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 559 {V4l2_SLICED_VITC_525,10,20,0}, 560 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 561 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 562 }, 563 #endif 564 {0x190, /* Video Program System (VPS), PAL */ 565 {V4L2_SLICED_VPS,16,16,0}, 566 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 567 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 568 }, 569 /* 0x1d0 User programmable */ 570 571 /* End of struct */ 572 { (u16)-1 } 573 }; 574 575 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 576 const struct i2c_reg_value *regs) 577 { 578 while (regs->reg != 0xff) { 579 tvp5150_write(sd, regs->reg, regs->value); 580 regs++; 581 } 582 return 0; 583 } 584 585 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 586 const struct i2c_vbi_ram_value *regs) 587 { 588 unsigned int i; 589 590 /* Disable Full Field */ 591 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 592 593 /* Before programming, Line mode should be at 0xff */ 594 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 595 tvp5150_write(sd, i, 0xff); 596 597 /* Load Ram Table */ 598 while (regs->reg != (u16)-1) { 599 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 600 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 601 602 for (i = 0; i < 16; i++) 603 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 604 605 regs++; 606 } 607 return 0; 608 } 609 610 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 611 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 612 struct v4l2_sliced_vbi_cap *cap) 613 { 614 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 615 int line; 616 617 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 618 memset(cap, 0, sizeof *cap); 619 620 while (regs->reg != (u16)-1 ) { 621 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 622 cap->service_lines[0][line] |= regs->type.vbi_type; 623 } 624 cap->service_set |= regs->type.vbi_type; 625 626 regs++; 627 } 628 return 0; 629 } 630 631 /* Set vbi processing 632 * type - one of tvp5150_vbi_types 633 * line - line to gather data 634 * fields: bit 0 field1, bit 1, field2 635 * flags (default=0xf0) is a bitmask, were set means: 636 * bit 7: enable filtering null bytes on CC 637 * bit 6: send data also to FIFO 638 * bit 5: don't allow data with errors on FIFO 639 * bit 4: enable ECC when possible 640 * pix_align = pix alignment: 641 * LSB = field1 642 * MSB = field2 643 */ 644 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 645 const struct i2c_vbi_ram_value *regs, 646 unsigned int type,u8 flags, int line, 647 const int fields) 648 { 649 struct tvp5150 *decoder = to_tvp5150(sd); 650 v4l2_std_id std = decoder->norm; 651 u8 reg; 652 int pos=0; 653 654 if (std == V4L2_STD_ALL) { 655 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 656 return 0; 657 } else if (std & V4L2_STD_625_50) { 658 /* Don't follow NTSC Line number convension */ 659 line += 3; 660 } 661 662 if (line<6||line>27) 663 return 0; 664 665 while (regs->reg != (u16)-1 ) { 666 if ((type & regs->type.vbi_type) && 667 (line>=regs->type.ini_line) && 668 (line<=regs->type.end_line)) { 669 type=regs->type.vbi_type; 670 break; 671 } 672 673 regs++; 674 pos++; 675 } 676 if (regs->reg == (u16)-1) 677 return 0; 678 679 type=pos | (flags & 0xf0); 680 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 681 682 if (fields&1) { 683 tvp5150_write(sd, reg, type); 684 } 685 686 if (fields&2) { 687 tvp5150_write(sd, reg+1, type); 688 } 689 690 return type; 691 } 692 693 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 694 const struct i2c_vbi_ram_value *regs, int line) 695 { 696 struct tvp5150 *decoder = to_tvp5150(sd); 697 v4l2_std_id std = decoder->norm; 698 u8 reg; 699 int pos, type = 0; 700 int i, ret = 0; 701 702 if (std == V4L2_STD_ALL) { 703 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 704 return 0; 705 } else if (std & V4L2_STD_625_50) { 706 /* Don't follow NTSC Line number convension */ 707 line += 3; 708 } 709 710 if (line < 6 || line > 27) 711 return 0; 712 713 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 714 715 for (i = 0; i <= 1; i++) { 716 ret = tvp5150_read(sd, reg + i); 717 if (ret < 0) { 718 dev_err(sd->dev, "%s: failed with error = %d\n", 719 __func__, ret); 720 return 0; 721 } 722 pos = ret & 0x0f; 723 if (pos < 0x0f) 724 type |= regs[pos].type.vbi_type; 725 } 726 727 return type; 728 } 729 730 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 731 { 732 struct tvp5150 *decoder = to_tvp5150(sd); 733 int fmt = 0; 734 735 decoder->norm = std; 736 737 /* First tests should be against specific std */ 738 739 if (std == V4L2_STD_NTSC_443) { 740 fmt = VIDEO_STD_NTSC_4_43_BIT; 741 } else if (std == V4L2_STD_PAL_M) { 742 fmt = VIDEO_STD_PAL_M_BIT; 743 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 744 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 745 } else { 746 /* Then, test against generic ones */ 747 if (std & V4L2_STD_NTSC) 748 fmt = VIDEO_STD_NTSC_MJ_BIT; 749 else if (std & V4L2_STD_PAL) 750 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 751 else if (std & V4L2_STD_SECAM) 752 fmt = VIDEO_STD_SECAM_BIT; 753 } 754 755 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 756 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 757 return 0; 758 } 759 760 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 761 { 762 struct tvp5150 *decoder = to_tvp5150(sd); 763 764 if (decoder->norm == std) 765 return 0; 766 767 /* Change cropping height limits */ 768 if (std & V4L2_STD_525_60) 769 decoder->rect.height = TVP5150_V_MAX_525_60; 770 else 771 decoder->rect.height = TVP5150_V_MAX_OTHERS; 772 773 774 return tvp5150_set_std(sd, std); 775 } 776 777 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 778 { 779 struct tvp5150 *decoder = to_tvp5150(sd); 780 781 /* Initializes TVP5150 to its default values */ 782 tvp5150_write_inittab(sd, tvp5150_init_default); 783 784 /* Initializes VDP registers */ 785 tvp5150_vdp_init(sd, vbi_ram_default); 786 787 /* Selects decoder input */ 788 tvp5150_selmux(sd); 789 790 /* Initializes TVP5150 to stream enabled values */ 791 tvp5150_write_inittab(sd, tvp5150_init_enable); 792 793 /* Initialize image preferences */ 794 v4l2_ctrl_handler_setup(&decoder->hdl); 795 796 tvp5150_set_std(sd, decoder->norm); 797 798 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 799 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 800 801 return 0; 802 }; 803 804 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 805 { 806 struct v4l2_subdev *sd = to_sd(ctrl); 807 struct tvp5150 *decoder = to_tvp5150(sd); 808 809 switch (ctrl->id) { 810 case V4L2_CID_BRIGHTNESS: 811 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 812 return 0; 813 case V4L2_CID_CONTRAST: 814 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 815 return 0; 816 case V4L2_CID_SATURATION: 817 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 818 return 0; 819 case V4L2_CID_HUE: 820 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 821 break; 822 case V4L2_CID_TEST_PATTERN: 823 decoder->enable = ctrl->val ? false : true; 824 tvp5150_selmux(sd); 825 return 0; 826 } 827 return -EINVAL; 828 } 829 830 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 831 { 832 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 833 834 switch (val & 0x0F) { 835 case 0x01: 836 return V4L2_STD_NTSC; 837 case 0x03: 838 return V4L2_STD_PAL; 839 case 0x05: 840 return V4L2_STD_PAL_M; 841 case 0x07: 842 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 843 case 0x09: 844 return V4L2_STD_NTSC_443; 845 case 0xb: 846 return V4L2_STD_SECAM; 847 default: 848 return V4L2_STD_UNKNOWN; 849 } 850 } 851 852 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 853 struct v4l2_subdev_pad_config *cfg, 854 struct v4l2_subdev_format *format) 855 { 856 struct v4l2_mbus_framefmt *f; 857 struct tvp5150 *decoder = to_tvp5150(sd); 858 859 if (!format || format->pad) 860 return -EINVAL; 861 862 f = &format->format; 863 864 tvp5150_reset(sd, 0); 865 866 f->width = decoder->rect.width; 867 f->height = decoder->rect.height / 2; 868 869 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 870 f->field = V4L2_FIELD_ALTERNATE; 871 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 872 873 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 874 f->height); 875 return 0; 876 } 877 878 static int tvp5150_set_selection(struct v4l2_subdev *sd, 879 struct v4l2_subdev_pad_config *cfg, 880 struct v4l2_subdev_selection *sel) 881 { 882 struct tvp5150 *decoder = to_tvp5150(sd); 883 struct v4l2_rect rect = sel->r; 884 v4l2_std_id std; 885 int hmax; 886 887 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || 888 sel->target != V4L2_SEL_TGT_CROP) 889 return -EINVAL; 890 891 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 892 __func__, rect.left, rect.top, rect.width, rect.height); 893 894 /* tvp5150 has some special limits */ 895 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 896 rect.width = clamp_t(unsigned int, rect.width, 897 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 898 TVP5150_H_MAX - rect.left); 899 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 900 901 /* Calculate height based on current standard */ 902 if (decoder->norm == V4L2_STD_ALL) 903 std = tvp5150_read_std(sd); 904 else 905 std = decoder->norm; 906 907 if (std & V4L2_STD_525_60) 908 hmax = TVP5150_V_MAX_525_60; 909 else 910 hmax = TVP5150_V_MAX_OTHERS; 911 912 rect.height = clamp_t(unsigned int, rect.height, 913 hmax - TVP5150_MAX_CROP_TOP - rect.top, 914 hmax - rect.top); 915 916 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 917 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 918 rect.top + rect.height - hmax); 919 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 920 rect.left >> TVP5150_CROP_SHIFT); 921 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 922 rect.left | (1 << TVP5150_CROP_SHIFT)); 923 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 924 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 925 TVP5150_CROP_SHIFT); 926 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 927 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 928 929 decoder->rect = rect; 930 931 return 0; 932 } 933 934 static int tvp5150_get_selection(struct v4l2_subdev *sd, 935 struct v4l2_subdev_pad_config *cfg, 936 struct v4l2_subdev_selection *sel) 937 { 938 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 939 v4l2_std_id std; 940 941 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) 942 return -EINVAL; 943 944 switch (sel->target) { 945 case V4L2_SEL_TGT_CROP_BOUNDS: 946 case V4L2_SEL_TGT_CROP_DEFAULT: 947 sel->r.left = 0; 948 sel->r.top = 0; 949 sel->r.width = TVP5150_H_MAX; 950 951 /* Calculate height based on current standard */ 952 if (decoder->norm == V4L2_STD_ALL) 953 std = tvp5150_read_std(sd); 954 else 955 std = decoder->norm; 956 if (std & V4L2_STD_525_60) 957 sel->r.height = TVP5150_V_MAX_525_60; 958 else 959 sel->r.height = TVP5150_V_MAX_OTHERS; 960 return 0; 961 case V4L2_SEL_TGT_CROP: 962 sel->r = decoder->rect; 963 return 0; 964 default: 965 return -EINVAL; 966 } 967 } 968 969 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 970 struct v4l2_mbus_config *cfg) 971 { 972 struct tvp5150 *decoder = to_tvp5150(sd); 973 974 cfg->type = decoder->mbus_type; 975 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 976 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 977 978 return 0; 979 } 980 981 /**************************************************************************** 982 V4L2 subdev pad ops 983 ****************************************************************************/ 984 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 985 struct v4l2_subdev_pad_config *cfg, 986 struct v4l2_subdev_mbus_code_enum *code) 987 { 988 if (code->pad || code->index) 989 return -EINVAL; 990 991 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 992 return 0; 993 } 994 995 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 996 struct v4l2_subdev_pad_config *cfg, 997 struct v4l2_subdev_frame_size_enum *fse) 998 { 999 struct tvp5150 *decoder = to_tvp5150(sd); 1000 1001 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1002 return -EINVAL; 1003 1004 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1005 fse->min_width = decoder->rect.width; 1006 fse->max_width = decoder->rect.width; 1007 fse->min_height = decoder->rect.height / 2; 1008 fse->max_height = decoder->rect.height / 2; 1009 1010 return 0; 1011 } 1012 1013 /**************************************************************************** 1014 Media entity ops 1015 ****************************************************************************/ 1016 1017 #ifdef CONFIG_MEDIA_CONTROLLER 1018 static int tvp5150_link_setup(struct media_entity *entity, 1019 const struct media_pad *local, 1020 const struct media_pad *remote, u32 flags) 1021 { 1022 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1023 struct tvp5150 *decoder = to_tvp5150(sd); 1024 int i; 1025 1026 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1027 if (remote->entity == &decoder->input_ent[i]) 1028 break; 1029 } 1030 1031 /* Do nothing for entities that are not input connectors */ 1032 if (i == TVP5150_INPUT_NUM) 1033 return 0; 1034 1035 decoder->input = i; 1036 1037 tvp5150_selmux(sd); 1038 1039 return 0; 1040 } 1041 1042 static const struct media_entity_operations tvp5150_sd_media_ops = { 1043 .link_setup = tvp5150_link_setup, 1044 }; 1045 #endif 1046 1047 /**************************************************************************** 1048 I2C Command 1049 ****************************************************************************/ 1050 1051 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1052 { 1053 struct tvp5150 *decoder = to_tvp5150(sd); 1054 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ 1055 int val = 0x09; 1056 1057 /* Output format: 8-bit 4:2:2 YUV with discrete sync */ 1058 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1059 val = 0x0d; 1060 1061 /* Initializes TVP5150 to its default values */ 1062 /* # set PCLK (27MHz) */ 1063 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); 1064 1065 if (enable) 1066 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1067 else 1068 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); 1069 1070 return 0; 1071 } 1072 1073 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1074 u32 input, u32 output, u32 config) 1075 { 1076 struct tvp5150 *decoder = to_tvp5150(sd); 1077 1078 decoder->input = input; 1079 decoder->output = output; 1080 1081 if (output == TVP5150_BLACK_SCREEN) 1082 decoder->enable = false; 1083 else 1084 decoder->enable = true; 1085 1086 tvp5150_selmux(sd); 1087 return 0; 1088 } 1089 1090 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1091 { 1092 /* this is for capturing 36 raw vbi lines 1093 if there's a way to cut off the beginning 2 vbi lines 1094 with the tvp5150 then the vbi line count could be lowered 1095 to 17 lines/field again, although I couldn't find a register 1096 which could do that cropping */ 1097 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1098 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1099 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1100 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1101 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1102 } 1103 return 0; 1104 } 1105 1106 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1107 { 1108 int i; 1109 1110 if (svbi->service_set != 0) { 1111 for (i = 0; i <= 23; i++) { 1112 svbi->service_lines[1][i] = 0; 1113 svbi->service_lines[0][i] = 1114 tvp5150_set_vbi(sd, vbi_ram_default, 1115 svbi->service_lines[0][i], 0xf0, i, 3); 1116 } 1117 /* Enables FIFO */ 1118 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1119 } else { 1120 /* Disables FIFO*/ 1121 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1122 1123 /* Disable Full Field */ 1124 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1125 1126 /* Disable Line modes */ 1127 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1128 tvp5150_write(sd, i, 0xff); 1129 } 1130 return 0; 1131 } 1132 1133 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1134 { 1135 int i, mask = 0; 1136 1137 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1138 1139 for (i = 0; i <= 23; i++) { 1140 svbi->service_lines[0][i] = 1141 tvp5150_get_vbi(sd, vbi_ram_default, i); 1142 mask |= svbi->service_lines[0][i]; 1143 } 1144 svbi->service_set = mask; 1145 return 0; 1146 } 1147 1148 #ifdef CONFIG_VIDEO_ADV_DEBUG 1149 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1150 { 1151 int res; 1152 1153 res = tvp5150_read(sd, reg->reg & 0xff); 1154 if (res < 0) { 1155 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1156 return res; 1157 } 1158 1159 reg->val = res; 1160 reg->size = 1; 1161 return 0; 1162 } 1163 1164 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1165 { 1166 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1167 } 1168 #endif 1169 1170 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1171 { 1172 int status = tvp5150_read(sd, 0x88); 1173 1174 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1175 return 0; 1176 } 1177 1178 static int tvp5150_registered(struct v4l2_subdev *sd) 1179 { 1180 #ifdef CONFIG_MEDIA_CONTROLLER 1181 struct tvp5150 *decoder = to_tvp5150(sd); 1182 int ret = 0; 1183 int i; 1184 1185 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1186 struct media_entity *input = &decoder->input_ent[i]; 1187 struct media_pad *pad = &decoder->input_pad[i]; 1188 1189 if (!input->name) 1190 continue; 1191 1192 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1193 1194 ret = media_entity_pads_init(input, 1, pad); 1195 if (ret < 0) 1196 return ret; 1197 1198 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1199 if (ret < 0) 1200 return ret; 1201 1202 ret = media_create_pad_link(input, 0, &sd->entity, 1203 DEMOD_PAD_IF_INPUT, 0); 1204 if (ret < 0) { 1205 media_device_unregister_entity(input); 1206 return ret; 1207 } 1208 } 1209 #endif 1210 1211 return 0; 1212 } 1213 1214 /* ----------------------------------------------------------------------- */ 1215 1216 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1217 .s_ctrl = tvp5150_s_ctrl, 1218 }; 1219 1220 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1221 .log_status = tvp5150_log_status, 1222 .reset = tvp5150_reset, 1223 #ifdef CONFIG_VIDEO_ADV_DEBUG 1224 .g_register = tvp5150_g_register, 1225 .s_register = tvp5150_s_register, 1226 #endif 1227 }; 1228 1229 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1230 .g_tuner = tvp5150_g_tuner, 1231 }; 1232 1233 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1234 .s_std = tvp5150_s_std, 1235 .s_stream = tvp5150_s_stream, 1236 .s_routing = tvp5150_s_routing, 1237 .g_mbus_config = tvp5150_g_mbus_config, 1238 }; 1239 1240 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1241 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1242 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1243 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1244 .s_raw_fmt = tvp5150_s_raw_fmt, 1245 }; 1246 1247 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1248 .enum_mbus_code = tvp5150_enum_mbus_code, 1249 .enum_frame_size = tvp5150_enum_frame_size, 1250 .set_fmt = tvp5150_fill_fmt, 1251 .get_fmt = tvp5150_fill_fmt, 1252 .get_selection = tvp5150_get_selection, 1253 .set_selection = tvp5150_set_selection, 1254 }; 1255 1256 static const struct v4l2_subdev_ops tvp5150_ops = { 1257 .core = &tvp5150_core_ops, 1258 .tuner = &tvp5150_tuner_ops, 1259 .video = &tvp5150_video_ops, 1260 .vbi = &tvp5150_vbi_ops, 1261 .pad = &tvp5150_pad_ops, 1262 }; 1263 1264 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1265 .registered = tvp5150_registered, 1266 }; 1267 1268 1269 /**************************************************************************** 1270 I2C Client & Driver 1271 ****************************************************************************/ 1272 1273 static int tvp5150_detect_version(struct tvp5150 *core) 1274 { 1275 struct v4l2_subdev *sd = &core->sd; 1276 struct i2c_client *c = v4l2_get_subdevdata(sd); 1277 unsigned int i; 1278 u8 regs[4]; 1279 int res; 1280 1281 /* 1282 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1283 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1284 */ 1285 for (i = 0; i < 4; i++) { 1286 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1287 if (res < 0) 1288 return res; 1289 regs[i] = res; 1290 } 1291 1292 core->dev_id = (regs[0] << 8) | regs[1]; 1293 core->rom_ver = (regs[2] << 8) | regs[3]; 1294 1295 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1296 core->dev_id, regs[2], regs[3], c->addr << 1, 1297 c->adapter->name); 1298 1299 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1300 dev_info(sd->dev, "tvp5150a detected.\n"); 1301 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1302 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1303 1304 /* ITU-T BT.656.4 timing */ 1305 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1306 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1307 dev_info(sd->dev, "tvp5151 detected.\n"); 1308 } else { 1309 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1310 core->dev_id); 1311 } 1312 1313 return 0; 1314 } 1315 1316 static int tvp5150_init(struct i2c_client *c) 1317 { 1318 struct gpio_desc *pdn_gpio; 1319 struct gpio_desc *reset_gpio; 1320 1321 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1322 if (IS_ERR(pdn_gpio)) 1323 return PTR_ERR(pdn_gpio); 1324 1325 if (pdn_gpio) { 1326 gpiod_set_value_cansleep(pdn_gpio, 0); 1327 /* Delay time between power supplies active and reset */ 1328 msleep(20); 1329 } 1330 1331 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1332 if (IS_ERR(reset_gpio)) 1333 return PTR_ERR(reset_gpio); 1334 1335 if (reset_gpio) { 1336 /* RESETB pulse duration */ 1337 ndelay(500); 1338 gpiod_set_value_cansleep(reset_gpio, 0); 1339 /* Delay time between end of reset to I2C active */ 1340 usleep_range(200, 250); 1341 } 1342 1343 return 0; 1344 } 1345 1346 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1347 { 1348 struct v4l2_of_endpoint bus_cfg; 1349 struct device_node *ep; 1350 #ifdef CONFIG_MEDIA_CONTROLLER 1351 struct device_node *connectors, *child; 1352 struct media_entity *input; 1353 const char *name; 1354 u32 input_type; 1355 #endif 1356 unsigned int flags; 1357 int ret = 0; 1358 1359 ep = of_graph_get_next_endpoint(np, NULL); 1360 if (!ep) 1361 return -EINVAL; 1362 1363 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1364 if (ret) 1365 goto err; 1366 1367 flags = bus_cfg.bus.parallel.flags; 1368 1369 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1370 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1371 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1372 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1373 ret = -EINVAL; 1374 goto err; 1375 } 1376 1377 decoder->mbus_type = bus_cfg.bus_type; 1378 1379 #ifdef CONFIG_MEDIA_CONTROLLER 1380 connectors = of_get_child_by_name(np, "connectors"); 1381 1382 if (!connectors) 1383 goto err; 1384 1385 for_each_available_child_of_node(connectors, child) { 1386 ret = of_property_read_u32(child, "input", &input_type); 1387 if (ret) { 1388 dev_err(decoder->sd.dev, 1389 "missing type property in node %s\n", 1390 child->name); 1391 goto err_connector; 1392 } 1393 1394 if (input_type >= TVP5150_INPUT_NUM) { 1395 ret = -EINVAL; 1396 goto err_connector; 1397 } 1398 1399 input = &decoder->input_ent[input_type]; 1400 1401 /* Each input connector can only be defined once */ 1402 if (input->name) { 1403 dev_err(decoder->sd.dev, 1404 "input %s with same type already exists\n", 1405 input->name); 1406 ret = -EINVAL; 1407 goto err_connector; 1408 } 1409 1410 switch (input_type) { 1411 case TVP5150_COMPOSITE0: 1412 case TVP5150_COMPOSITE1: 1413 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1414 break; 1415 case TVP5150_SVIDEO: 1416 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1417 break; 1418 } 1419 1420 input->flags = MEDIA_ENT_FL_CONNECTOR; 1421 1422 ret = of_property_read_string(child, "label", &name); 1423 if (ret < 0) { 1424 dev_err(decoder->sd.dev, 1425 "missing label property in node %s\n", 1426 child->name); 1427 goto err_connector; 1428 } 1429 1430 input->name = name; 1431 } 1432 1433 err_connector: 1434 of_node_put(connectors); 1435 #endif 1436 err: 1437 of_node_put(ep); 1438 return ret; 1439 } 1440 1441 static const char * const tvp5150_test_patterns[2] = { 1442 "Disabled", 1443 "Black screen" 1444 }; 1445 1446 static int tvp5150_probe(struct i2c_client *c, 1447 const struct i2c_device_id *id) 1448 { 1449 struct tvp5150 *core; 1450 struct v4l2_subdev *sd; 1451 struct device_node *np = c->dev.of_node; 1452 int res; 1453 1454 /* Check if the adapter supports the needed features */ 1455 if (!i2c_check_functionality(c->adapter, 1456 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1457 return -EIO; 1458 1459 res = tvp5150_init(c); 1460 if (res) 1461 return res; 1462 1463 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1464 if (!core) 1465 return -ENOMEM; 1466 1467 sd = &core->sd; 1468 1469 if (IS_ENABLED(CONFIG_OF) && np) { 1470 res = tvp5150_parse_dt(core, np); 1471 if (res) { 1472 dev_err(sd->dev, "DT parsing error: %d\n", res); 1473 return res; 1474 } 1475 } else { 1476 /* Default to BT.656 embedded sync */ 1477 core->mbus_type = V4L2_MBUS_BT656; 1478 } 1479 1480 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1481 sd->internal_ops = &tvp5150_internal_ops; 1482 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1483 1484 #if defined(CONFIG_MEDIA_CONTROLLER) 1485 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1486 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1487 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1488 1489 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1490 1491 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1492 if (res < 0) 1493 return res; 1494 1495 sd->entity.ops = &tvp5150_sd_media_ops; 1496 #endif 1497 1498 res = tvp5150_detect_version(core); 1499 if (res < 0) 1500 return res; 1501 1502 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1503 core->input = TVP5150_COMPOSITE1; 1504 core->enable = true; 1505 1506 v4l2_ctrl_handler_init(&core->hdl, 5); 1507 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1508 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1509 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1510 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1511 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1512 V4L2_CID_SATURATION, 0, 255, 1, 128); 1513 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1514 V4L2_CID_HUE, -128, 127, 1, 0); 1515 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1516 V4L2_CID_PIXEL_RATE, 27000000, 1517 27000000, 1, 27000000); 1518 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1519 V4L2_CID_TEST_PATTERN, 1520 ARRAY_SIZE(tvp5150_test_patterns), 1521 0, 0, tvp5150_test_patterns); 1522 sd->ctrl_handler = &core->hdl; 1523 if (core->hdl.error) { 1524 res = core->hdl.error; 1525 goto err; 1526 } 1527 v4l2_ctrl_handler_setup(&core->hdl); 1528 1529 /* Default is no cropping */ 1530 core->rect.top = 0; 1531 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1532 core->rect.height = TVP5150_V_MAX_525_60; 1533 else 1534 core->rect.height = TVP5150_V_MAX_OTHERS; 1535 core->rect.left = 0; 1536 core->rect.width = TVP5150_H_MAX; 1537 1538 res = v4l2_async_register_subdev(sd); 1539 if (res < 0) 1540 goto err; 1541 1542 if (debug > 1) 1543 tvp5150_log_status(sd); 1544 return 0; 1545 1546 err: 1547 v4l2_ctrl_handler_free(&core->hdl); 1548 return res; 1549 } 1550 1551 static int tvp5150_remove(struct i2c_client *c) 1552 { 1553 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1554 struct tvp5150 *decoder = to_tvp5150(sd); 1555 1556 dev_dbg_lvl(sd->dev, 1, debug, 1557 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1558 c->addr << 1); 1559 1560 v4l2_async_unregister_subdev(sd); 1561 v4l2_ctrl_handler_free(&decoder->hdl); 1562 return 0; 1563 } 1564 1565 /* ----------------------------------------------------------------------- */ 1566 1567 static const struct i2c_device_id tvp5150_id[] = { 1568 { "tvp5150", 0 }, 1569 { } 1570 }; 1571 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1572 1573 #if IS_ENABLED(CONFIG_OF) 1574 static const struct of_device_id tvp5150_of_match[] = { 1575 { .compatible = "ti,tvp5150", }, 1576 { /* sentinel */ }, 1577 }; 1578 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1579 #endif 1580 1581 static struct i2c_driver tvp5150_driver = { 1582 .driver = { 1583 .of_match_table = of_match_ptr(tvp5150_of_match), 1584 .name = "tvp5150", 1585 }, 1586 .probe = tvp5150_probe, 1587 .remove = tvp5150_remove, 1588 .id_table = tvp5150_id, 1589 }; 1590 1591 module_i2c_driver(tvp5150_driver); 1592