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 struct tvp5150 { 40 struct v4l2_subdev sd; 41 #ifdef CONFIG_MEDIA_CONTROLLER 42 struct media_pad pads[DEMOD_NUM_PADS]; 43 struct media_entity input_ent[TVP5150_INPUT_NUM]; 44 struct media_pad input_pad[TVP5150_INPUT_NUM]; 45 #endif 46 struct v4l2_ctrl_handler hdl; 47 struct v4l2_rect rect; 48 49 v4l2_std_id norm; /* Current set standard */ 50 u32 input; 51 u32 output; 52 int enable; 53 54 u16 dev_id; 55 u16 rom_ver; 56 57 enum v4l2_mbus_type mbus_type; 58 }; 59 60 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 61 { 62 return container_of(sd, struct tvp5150, sd); 63 } 64 65 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 66 { 67 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 68 } 69 70 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 71 { 72 struct i2c_client *c = v4l2_get_subdevdata(sd); 73 int rc; 74 75 rc = i2c_smbus_read_byte_data(c, addr); 76 if (rc < 0) { 77 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc); 78 return rc; 79 } 80 81 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc); 82 83 return rc; 84 } 85 86 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 87 unsigned char value) 88 { 89 struct i2c_client *c = v4l2_get_subdevdata(sd); 90 int rc; 91 92 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value); 93 rc = i2c_smbus_write_byte_data(c, addr, value); 94 if (rc < 0) 95 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d\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 /* Only tvp5150am1 and tvp5151 have signal generator support */ 263 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 264 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 265 if (!decoder->enable) 266 input = 8; 267 } 268 269 switch (decoder->input) { 270 case TVP5150_COMPOSITE1: 271 input |= 2; 272 /* fall through */ 273 case TVP5150_COMPOSITE0: 274 break; 275 case TVP5150_SVIDEO: 276 default: 277 input |= 1; 278 break; 279 } 280 281 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i " 282 "=> tvp5150 input=%i, opmode=%i\n", 283 decoder->input, decoder->output, 284 input, opmode); 285 286 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 287 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 288 289 /* Svideo should enable YCrCb output and disable GPCL output 290 * For Composite and TV, it should be the reverse 291 */ 292 val = tvp5150_read(sd, TVP5150_MISC_CTL); 293 if (val < 0) { 294 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val); 295 return; 296 } 297 298 if (decoder->input == TVP5150_SVIDEO) 299 val = (val & ~0x40) | 0x10; 300 else 301 val = (val & ~0x10) | 0x40; 302 tvp5150_write(sd, TVP5150_MISC_CTL, val); 303 }; 304 305 struct i2c_reg_value { 306 unsigned char reg; 307 unsigned char value; 308 }; 309 310 /* Default values as sugested at TVP5150AM1 datasheet */ 311 static const struct i2c_reg_value tvp5150_init_default[] = { 312 { /* 0x00 */ 313 TVP5150_VD_IN_SRC_SEL_1,0x00 314 }, 315 { /* 0x01 */ 316 TVP5150_ANAL_CHL_CTL,0x15 317 }, 318 { /* 0x02 */ 319 TVP5150_OP_MODE_CTL,0x00 320 }, 321 { /* 0x03 */ 322 TVP5150_MISC_CTL,0x01 323 }, 324 { /* 0x06 */ 325 TVP5150_COLOR_KIL_THSH_CTL,0x10 326 }, 327 { /* 0x07 */ 328 TVP5150_LUMA_PROC_CTL_1,0x60 329 }, 330 { /* 0x08 */ 331 TVP5150_LUMA_PROC_CTL_2,0x00 332 }, 333 { /* 0x09 */ 334 TVP5150_BRIGHT_CTL,0x80 335 }, 336 { /* 0x0a */ 337 TVP5150_SATURATION_CTL,0x80 338 }, 339 { /* 0x0b */ 340 TVP5150_HUE_CTL,0x00 341 }, 342 { /* 0x0c */ 343 TVP5150_CONTRAST_CTL,0x80 344 }, 345 { /* 0x0d */ 346 TVP5150_DATA_RATE_SEL,0x47 347 }, 348 { /* 0x0e */ 349 TVP5150_LUMA_PROC_CTL_3,0x00 350 }, 351 { /* 0x0f */ 352 TVP5150_CONF_SHARED_PIN,0x08 353 }, 354 { /* 0x11 */ 355 TVP5150_ACT_VD_CROP_ST_MSB,0x00 356 }, 357 { /* 0x12 */ 358 TVP5150_ACT_VD_CROP_ST_LSB,0x00 359 }, 360 { /* 0x13 */ 361 TVP5150_ACT_VD_CROP_STP_MSB,0x00 362 }, 363 { /* 0x14 */ 364 TVP5150_ACT_VD_CROP_STP_LSB,0x00 365 }, 366 { /* 0x15 */ 367 TVP5150_GENLOCK,0x01 368 }, 369 { /* 0x16 */ 370 TVP5150_HORIZ_SYNC_START,0x80 371 }, 372 { /* 0x18 */ 373 TVP5150_VERT_BLANKING_START,0x00 374 }, 375 { /* 0x19 */ 376 TVP5150_VERT_BLANKING_STOP,0x00 377 }, 378 { /* 0x1a */ 379 TVP5150_CHROMA_PROC_CTL_1,0x0c 380 }, 381 { /* 0x1b */ 382 TVP5150_CHROMA_PROC_CTL_2,0x14 383 }, 384 { /* 0x1c */ 385 TVP5150_INT_RESET_REG_B,0x00 386 }, 387 { /* 0x1d */ 388 TVP5150_INT_ENABLE_REG_B,0x00 389 }, 390 { /* 0x1e */ 391 TVP5150_INTT_CONFIG_REG_B,0x00 392 }, 393 { /* 0x28 */ 394 TVP5150_VIDEO_STD,0x00 395 }, 396 { /* 0x2e */ 397 TVP5150_MACROVISION_ON_CTR,0x0f 398 }, 399 { /* 0x2f */ 400 TVP5150_MACROVISION_OFF_CTR,0x01 401 }, 402 { /* 0xbb */ 403 TVP5150_TELETEXT_FIL_ENA,0x00 404 }, 405 { /* 0xc0 */ 406 TVP5150_INT_STATUS_REG_A,0x00 407 }, 408 { /* 0xc1 */ 409 TVP5150_INT_ENABLE_REG_A,0x00 410 }, 411 { /* 0xc2 */ 412 TVP5150_INT_CONF,0x04 413 }, 414 { /* 0xc8 */ 415 TVP5150_FIFO_INT_THRESHOLD,0x80 416 }, 417 { /* 0xc9 */ 418 TVP5150_FIFO_RESET,0x00 419 }, 420 { /* 0xca */ 421 TVP5150_LINE_NUMBER_INT,0x00 422 }, 423 { /* 0xcb */ 424 TVP5150_PIX_ALIGN_REG_LOW,0x4e 425 }, 426 { /* 0xcc */ 427 TVP5150_PIX_ALIGN_REG_HIGH,0x00 428 }, 429 { /* 0xcd */ 430 TVP5150_FIFO_OUT_CTRL,0x01 431 }, 432 { /* 0xcf */ 433 TVP5150_FULL_FIELD_ENA,0x00 434 }, 435 { /* 0xd0 */ 436 TVP5150_LINE_MODE_INI,0x00 437 }, 438 { /* 0xfc */ 439 TVP5150_FULL_FIELD_MODE_REG,0x7f 440 }, 441 { /* end of data */ 442 0xff,0xff 443 } 444 }; 445 446 /* Default values as sugested at TVP5150AM1 datasheet */ 447 static const struct i2c_reg_value tvp5150_init_enable[] = { 448 { 449 TVP5150_CONF_SHARED_PIN, 2 450 },{ /* Automatic offset and AGC enabled */ 451 TVP5150_ANAL_CHL_CTL, 0x15 452 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 453 TVP5150_MISC_CTL, 0x6f 454 },{ /* Activates video std autodetection for all standards */ 455 TVP5150_AUTOSW_MSK, 0x0 456 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 457 TVP5150_DATA_RATE_SEL, 0x47 458 },{ 459 TVP5150_CHROMA_PROC_CTL_1, 0x0c 460 },{ 461 TVP5150_CHROMA_PROC_CTL_2, 0x54 462 },{ /* Non documented, but initialized on WinTV USB2 */ 463 0x27, 0x20 464 },{ 465 0xff,0xff 466 } 467 }; 468 469 struct tvp5150_vbi_type { 470 unsigned int vbi_type; 471 unsigned int ini_line; 472 unsigned int end_line; 473 unsigned int by_field :1; 474 }; 475 476 struct i2c_vbi_ram_value { 477 u16 reg; 478 struct tvp5150_vbi_type type; 479 unsigned char values[16]; 480 }; 481 482 /* This struct have the values for each supported VBI Standard 483 * by 484 tvp5150_vbi_types should follow the same order as vbi_ram_default 485 * value 0 means rom position 0x10, value 1 means rom position 0x30 486 * and so on. There are 16 possible locations from 0 to 15. 487 */ 488 489 static struct i2c_vbi_ram_value vbi_ram_default[] = 490 { 491 /* FIXME: Current api doesn't handle all VBI types, those not 492 yet supported are placed under #if 0 */ 493 #if 0 494 {0x010, /* Teletext, SECAM, WST System A */ 495 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 496 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 497 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 498 }, 499 #endif 500 {0x030, /* Teletext, PAL, WST System B */ 501 {V4L2_SLICED_TELETEXT_B,6,22,1}, 502 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 503 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 504 }, 505 #if 0 506 {0x050, /* Teletext, PAL, WST System C */ 507 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 508 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 509 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 510 }, 511 {0x070, /* Teletext, NTSC, WST System B */ 512 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 513 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 514 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 515 }, 516 {0x090, /* Tetetext, NTSC NABTS System C */ 517 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 518 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 519 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 520 }, 521 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 522 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 523 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 524 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 525 }, 526 {0x0d0, /* Closed Caption, PAL/SECAM */ 527 {V4L2_SLICED_CAPTION_625,22,22,1}, 528 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 529 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 530 }, 531 #endif 532 {0x0f0, /* Closed Caption, NTSC */ 533 {V4L2_SLICED_CAPTION_525,21,21,1}, 534 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 535 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 536 }, 537 {0x110, /* Wide Screen Signal, PAL/SECAM */ 538 {V4L2_SLICED_WSS_625,23,23,1}, 539 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 540 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 541 }, 542 #if 0 543 {0x130, /* Wide Screen Signal, NTSC C */ 544 {V4L2_SLICED_WSS_525,20,20,1}, 545 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 546 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 547 }, 548 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 549 {V4l2_SLICED_VITC_625,6,22,0}, 550 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 551 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 552 }, 553 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 554 {V4l2_SLICED_VITC_525,10,20,0}, 555 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 556 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 557 }, 558 #endif 559 {0x190, /* Video Program System (VPS), PAL */ 560 {V4L2_SLICED_VPS,16,16,0}, 561 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 562 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 563 }, 564 /* 0x1d0 User programmable */ 565 566 /* End of struct */ 567 { (u16)-1 } 568 }; 569 570 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 571 const struct i2c_reg_value *regs) 572 { 573 while (regs->reg != 0xff) { 574 tvp5150_write(sd, regs->reg, regs->value); 575 regs++; 576 } 577 return 0; 578 } 579 580 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 581 const struct i2c_vbi_ram_value *regs) 582 { 583 unsigned int i; 584 585 /* Disable Full Field */ 586 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 587 588 /* Before programming, Line mode should be at 0xff */ 589 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 590 tvp5150_write(sd, i, 0xff); 591 592 /* Load Ram Table */ 593 while (regs->reg != (u16)-1) { 594 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 595 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 596 597 for (i = 0; i < 16; i++) 598 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 599 600 regs++; 601 } 602 return 0; 603 } 604 605 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 606 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 607 struct v4l2_sliced_vbi_cap *cap) 608 { 609 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 610 int line; 611 612 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n"); 613 memset(cap, 0, sizeof *cap); 614 615 while (regs->reg != (u16)-1 ) { 616 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 617 cap->service_lines[0][line] |= regs->type.vbi_type; 618 } 619 cap->service_set |= regs->type.vbi_type; 620 621 regs++; 622 } 623 return 0; 624 } 625 626 /* Set vbi processing 627 * type - one of tvp5150_vbi_types 628 * line - line to gather data 629 * fields: bit 0 field1, bit 1, field2 630 * flags (default=0xf0) is a bitmask, were set means: 631 * bit 7: enable filtering null bytes on CC 632 * bit 6: send data also to FIFO 633 * bit 5: don't allow data with errors on FIFO 634 * bit 4: enable ECC when possible 635 * pix_align = pix alignment: 636 * LSB = field1 637 * MSB = field2 638 */ 639 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 640 const struct i2c_vbi_ram_value *regs, 641 unsigned int type,u8 flags, int line, 642 const int fields) 643 { 644 struct tvp5150 *decoder = to_tvp5150(sd); 645 v4l2_std_id std = decoder->norm; 646 u8 reg; 647 int pos=0; 648 649 if (std == V4L2_STD_ALL) { 650 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 651 return 0; 652 } else if (std & V4L2_STD_625_50) { 653 /* Don't follow NTSC Line number convension */ 654 line += 3; 655 } 656 657 if (line<6||line>27) 658 return 0; 659 660 while (regs->reg != (u16)-1 ) { 661 if ((type & regs->type.vbi_type) && 662 (line>=regs->type.ini_line) && 663 (line<=regs->type.end_line)) { 664 type=regs->type.vbi_type; 665 break; 666 } 667 668 regs++; 669 pos++; 670 } 671 if (regs->reg == (u16)-1) 672 return 0; 673 674 type=pos | (flags & 0xf0); 675 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 676 677 if (fields&1) { 678 tvp5150_write(sd, reg, type); 679 } 680 681 if (fields&2) { 682 tvp5150_write(sd, reg+1, type); 683 } 684 685 return type; 686 } 687 688 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 689 const struct i2c_vbi_ram_value *regs, int line) 690 { 691 struct tvp5150 *decoder = to_tvp5150(sd); 692 v4l2_std_id std = decoder->norm; 693 u8 reg; 694 int pos, type = 0; 695 int i, ret = 0; 696 697 if (std == V4L2_STD_ALL) { 698 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n"); 699 return 0; 700 } else if (std & V4L2_STD_625_50) { 701 /* Don't follow NTSC Line number convension */ 702 line += 3; 703 } 704 705 if (line < 6 || line > 27) 706 return 0; 707 708 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 709 710 for (i = 0; i <= 1; i++) { 711 ret = tvp5150_read(sd, reg + i); 712 if (ret < 0) { 713 v4l2_err(sd, "%s: failed with error = %d\n", 714 __func__, ret); 715 return 0; 716 } 717 pos = ret & 0x0f; 718 if (pos < 0x0f) 719 type |= regs[pos].type.vbi_type; 720 } 721 722 return type; 723 } 724 725 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 726 { 727 struct tvp5150 *decoder = to_tvp5150(sd); 728 int fmt = 0; 729 730 decoder->norm = std; 731 732 /* First tests should be against specific std */ 733 734 if (std == V4L2_STD_NTSC_443) { 735 fmt = VIDEO_STD_NTSC_4_43_BIT; 736 } else if (std == V4L2_STD_PAL_M) { 737 fmt = VIDEO_STD_PAL_M_BIT; 738 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 739 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 740 } else { 741 /* Then, test against generic ones */ 742 if (std & V4L2_STD_NTSC) 743 fmt = VIDEO_STD_NTSC_MJ_BIT; 744 else if (std & V4L2_STD_PAL) 745 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 746 else if (std & V4L2_STD_SECAM) 747 fmt = VIDEO_STD_SECAM_BIT; 748 } 749 750 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt); 751 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 752 return 0; 753 } 754 755 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 756 { 757 struct tvp5150 *decoder = to_tvp5150(sd); 758 759 if (decoder->norm == std) 760 return 0; 761 762 /* Change cropping height limits */ 763 if (std & V4L2_STD_525_60) 764 decoder->rect.height = TVP5150_V_MAX_525_60; 765 else 766 decoder->rect.height = TVP5150_V_MAX_OTHERS; 767 768 769 return tvp5150_set_std(sd, std); 770 } 771 772 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 773 { 774 struct tvp5150 *decoder = to_tvp5150(sd); 775 776 /* Initializes TVP5150 to its default values */ 777 tvp5150_write_inittab(sd, tvp5150_init_default); 778 779 /* Initializes VDP registers */ 780 tvp5150_vdp_init(sd, vbi_ram_default); 781 782 /* Selects decoder input */ 783 tvp5150_selmux(sd); 784 785 /* Initializes TVP5150 to stream enabled values */ 786 tvp5150_write_inittab(sd, tvp5150_init_enable); 787 788 /* Initialize image preferences */ 789 v4l2_ctrl_handler_setup(&decoder->hdl); 790 791 tvp5150_set_std(sd, decoder->norm); 792 793 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 794 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 795 796 return 0; 797 }; 798 799 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 800 { 801 struct v4l2_subdev *sd = to_sd(ctrl); 802 struct tvp5150 *decoder = to_tvp5150(sd); 803 804 switch (ctrl->id) { 805 case V4L2_CID_BRIGHTNESS: 806 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 807 return 0; 808 case V4L2_CID_CONTRAST: 809 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 810 return 0; 811 case V4L2_CID_SATURATION: 812 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 813 return 0; 814 case V4L2_CID_HUE: 815 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 816 case V4L2_CID_TEST_PATTERN: 817 decoder->enable = ctrl->val ? false : true; 818 tvp5150_selmux(sd); 819 return 0; 820 } 821 return -EINVAL; 822 } 823 824 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 825 { 826 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 827 828 switch (val & 0x0F) { 829 case 0x01: 830 return V4L2_STD_NTSC; 831 case 0x03: 832 return V4L2_STD_PAL; 833 case 0x05: 834 return V4L2_STD_PAL_M; 835 case 0x07: 836 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 837 case 0x09: 838 return V4L2_STD_NTSC_443; 839 case 0xb: 840 return V4L2_STD_SECAM; 841 default: 842 return V4L2_STD_UNKNOWN; 843 } 844 } 845 846 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 847 struct v4l2_subdev_pad_config *cfg, 848 struct v4l2_subdev_format *format) 849 { 850 struct v4l2_mbus_framefmt *f; 851 struct tvp5150 *decoder = to_tvp5150(sd); 852 853 if (!format || format->pad) 854 return -EINVAL; 855 856 f = &format->format; 857 858 tvp5150_reset(sd, 0); 859 860 f->width = decoder->rect.width; 861 f->height = decoder->rect.height / 2; 862 863 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 864 f->field = V4L2_FIELD_ALTERNATE; 865 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 866 867 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width, 868 f->height); 869 return 0; 870 } 871 872 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) 873 { 874 struct v4l2_rect rect = a->c; 875 struct tvp5150 *decoder = to_tvp5150(sd); 876 v4l2_std_id std; 877 unsigned int hmax; 878 879 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n", 880 __func__, rect.left, rect.top, rect.width, rect.height); 881 882 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 883 return -EINVAL; 884 885 /* tvp5150 has some special limits */ 886 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 887 rect.width = clamp_t(unsigned int, rect.width, 888 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 889 TVP5150_H_MAX - rect.left); 890 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 891 892 /* Calculate height based on current standard */ 893 if (decoder->norm == V4L2_STD_ALL) 894 std = tvp5150_read_std(sd); 895 else 896 std = decoder->norm; 897 898 if (std & V4L2_STD_525_60) 899 hmax = TVP5150_V_MAX_525_60; 900 else 901 hmax = TVP5150_V_MAX_OTHERS; 902 903 rect.height = clamp_t(unsigned int, rect.height, 904 hmax - TVP5150_MAX_CROP_TOP - rect.top, 905 hmax - rect.top); 906 907 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 908 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 909 rect.top + rect.height - hmax); 910 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 911 rect.left >> TVP5150_CROP_SHIFT); 912 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 913 rect.left | (1 << TVP5150_CROP_SHIFT)); 914 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 915 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 916 TVP5150_CROP_SHIFT); 917 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 918 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 919 920 decoder->rect = rect; 921 922 return 0; 923 } 924 925 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) 926 { 927 struct tvp5150 *decoder = to_tvp5150(sd); 928 929 a->c = decoder->rect; 930 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 931 932 return 0; 933 } 934 935 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) 936 { 937 struct tvp5150 *decoder = to_tvp5150(sd); 938 v4l2_std_id std; 939 940 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 941 return -EINVAL; 942 943 a->bounds.left = 0; 944 a->bounds.top = 0; 945 a->bounds.width = TVP5150_H_MAX; 946 947 /* Calculate height based on current standard */ 948 if (decoder->norm == V4L2_STD_ALL) 949 std = tvp5150_read_std(sd); 950 else 951 std = decoder->norm; 952 953 if (std & V4L2_STD_525_60) 954 a->bounds.height = TVP5150_V_MAX_525_60; 955 else 956 a->bounds.height = TVP5150_V_MAX_OTHERS; 957 958 a->defrect = a->bounds; 959 a->pixelaspect.numerator = 1; 960 a->pixelaspect.denominator = 1; 961 962 return 0; 963 } 964 965 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 966 struct v4l2_mbus_config *cfg) 967 { 968 struct tvp5150 *decoder = to_tvp5150(sd); 969 970 cfg->type = decoder->mbus_type; 971 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 972 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 973 974 return 0; 975 } 976 977 /**************************************************************************** 978 V4L2 subdev pad ops 979 ****************************************************************************/ 980 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 981 struct v4l2_subdev_pad_config *cfg, 982 struct v4l2_subdev_mbus_code_enum *code) 983 { 984 if (code->pad || code->index) 985 return -EINVAL; 986 987 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 988 return 0; 989 } 990 991 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 992 struct v4l2_subdev_pad_config *cfg, 993 struct v4l2_subdev_frame_size_enum *fse) 994 { 995 struct tvp5150 *decoder = to_tvp5150(sd); 996 997 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 998 return -EINVAL; 999 1000 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1001 fse->min_width = decoder->rect.width; 1002 fse->max_width = decoder->rect.width; 1003 fse->min_height = decoder->rect.height / 2; 1004 fse->max_height = decoder->rect.height / 2; 1005 1006 return 0; 1007 } 1008 1009 /**************************************************************************** 1010 Media entity ops 1011 ****************************************************************************/ 1012 1013 static int tvp5150_link_setup(struct media_entity *entity, 1014 const struct media_pad *local, 1015 const struct media_pad *remote, u32 flags) 1016 { 1017 #ifdef CONFIG_MEDIA_CONTROLLER 1018 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1019 struct tvp5150 *decoder = to_tvp5150(sd); 1020 int i; 1021 1022 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1023 if (remote->entity == &decoder->input_ent[i]) 1024 break; 1025 } 1026 1027 /* Do nothing for entities that are not input connectors */ 1028 if (i == TVP5150_INPUT_NUM) 1029 return 0; 1030 1031 decoder->input = i; 1032 1033 tvp5150_selmux(sd); 1034 #endif 1035 1036 return 0; 1037 } 1038 1039 static const struct media_entity_operations tvp5150_sd_media_ops = { 1040 .link_setup = tvp5150_link_setup, 1041 }; 1042 1043 /**************************************************************************** 1044 I2C Command 1045 ****************************************************************************/ 1046 1047 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1048 { 1049 struct tvp5150 *decoder = to_tvp5150(sd); 1050 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */ 1051 int val = 0x09; 1052 1053 /* Output format: 8-bit 4:2:2 YUV with discrete sync */ 1054 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1055 val = 0x0d; 1056 1057 /* Initializes TVP5150 to its default values */ 1058 /* # set PCLK (27MHz) */ 1059 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00); 1060 1061 if (enable) 1062 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1063 else 1064 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00); 1065 1066 return 0; 1067 } 1068 1069 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1070 u32 input, u32 output, u32 config) 1071 { 1072 struct tvp5150 *decoder = to_tvp5150(sd); 1073 1074 decoder->input = input; 1075 decoder->output = output; 1076 1077 if (output == TVP5150_BLACK_SCREEN) 1078 decoder->enable = false; 1079 else 1080 decoder->enable = true; 1081 1082 tvp5150_selmux(sd); 1083 return 0; 1084 } 1085 1086 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1087 { 1088 /* this is for capturing 36 raw vbi lines 1089 if there's a way to cut off the beginning 2 vbi lines 1090 with the tvp5150 then the vbi line count could be lowered 1091 to 17 lines/field again, although I couldn't find a register 1092 which could do that cropping */ 1093 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1094 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1095 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1096 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1097 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1098 } 1099 return 0; 1100 } 1101 1102 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1103 { 1104 int i; 1105 1106 if (svbi->service_set != 0) { 1107 for (i = 0; i <= 23; i++) { 1108 svbi->service_lines[1][i] = 0; 1109 svbi->service_lines[0][i] = 1110 tvp5150_set_vbi(sd, vbi_ram_default, 1111 svbi->service_lines[0][i], 0xf0, i, 3); 1112 } 1113 /* Enables FIFO */ 1114 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1115 } else { 1116 /* Disables FIFO*/ 1117 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1118 1119 /* Disable Full Field */ 1120 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1121 1122 /* Disable Line modes */ 1123 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1124 tvp5150_write(sd, i, 0xff); 1125 } 1126 return 0; 1127 } 1128 1129 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1130 { 1131 int i, mask = 0; 1132 1133 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1134 1135 for (i = 0; i <= 23; i++) { 1136 svbi->service_lines[0][i] = 1137 tvp5150_get_vbi(sd, vbi_ram_default, i); 1138 mask |= svbi->service_lines[0][i]; 1139 } 1140 svbi->service_set = mask; 1141 return 0; 1142 } 1143 1144 #ifdef CONFIG_VIDEO_ADV_DEBUG 1145 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1146 { 1147 int res; 1148 1149 res = tvp5150_read(sd, reg->reg & 0xff); 1150 if (res < 0) { 1151 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res); 1152 return res; 1153 } 1154 1155 reg->val = res; 1156 reg->size = 1; 1157 return 0; 1158 } 1159 1160 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1161 { 1162 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1163 return 0; 1164 } 1165 #endif 1166 1167 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1168 { 1169 int status = tvp5150_read(sd, 0x88); 1170 1171 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1172 return 0; 1173 } 1174 1175 static int tvp5150_registered_async(struct v4l2_subdev *sd) 1176 { 1177 #ifdef CONFIG_MEDIA_CONTROLLER 1178 struct tvp5150 *decoder = to_tvp5150(sd); 1179 int ret = 0; 1180 int i; 1181 1182 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1183 struct media_entity *input = &decoder->input_ent[i]; 1184 struct media_pad *pad = &decoder->input_pad[i]; 1185 1186 if (!input->name) 1187 continue; 1188 1189 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1190 1191 ret = media_entity_pads_init(input, 1, pad); 1192 if (ret < 0) 1193 return ret; 1194 1195 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1196 if (ret < 0) 1197 return ret; 1198 1199 ret = media_create_pad_link(input, 0, &sd->entity, 1200 DEMOD_PAD_IF_INPUT, 0); 1201 if (ret < 0) { 1202 media_device_unregister_entity(input); 1203 return ret; 1204 } 1205 } 1206 #endif 1207 1208 return 0; 1209 } 1210 1211 /* ----------------------------------------------------------------------- */ 1212 1213 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1214 .s_ctrl = tvp5150_s_ctrl, 1215 }; 1216 1217 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1218 .log_status = tvp5150_log_status, 1219 .reset = tvp5150_reset, 1220 #ifdef CONFIG_VIDEO_ADV_DEBUG 1221 .g_register = tvp5150_g_register, 1222 .s_register = tvp5150_s_register, 1223 #endif 1224 .registered_async = tvp5150_registered_async, 1225 }; 1226 1227 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1228 .g_tuner = tvp5150_g_tuner, 1229 }; 1230 1231 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1232 .s_std = tvp5150_s_std, 1233 .s_stream = tvp5150_s_stream, 1234 .s_routing = tvp5150_s_routing, 1235 .s_crop = tvp5150_s_crop, 1236 .g_crop = tvp5150_g_crop, 1237 .cropcap = tvp5150_cropcap, 1238 .g_mbus_config = tvp5150_g_mbus_config, 1239 }; 1240 1241 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1242 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1243 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1244 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1245 .s_raw_fmt = tvp5150_s_raw_fmt, 1246 }; 1247 1248 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1249 .enum_mbus_code = tvp5150_enum_mbus_code, 1250 .enum_frame_size = tvp5150_enum_frame_size, 1251 .set_fmt = tvp5150_fill_fmt, 1252 .get_fmt = tvp5150_fill_fmt, 1253 }; 1254 1255 static const struct v4l2_subdev_ops tvp5150_ops = { 1256 .core = &tvp5150_core_ops, 1257 .tuner = &tvp5150_tuner_ops, 1258 .video = &tvp5150_video_ops, 1259 .vbi = &tvp5150_vbi_ops, 1260 .pad = &tvp5150_pad_ops, 1261 }; 1262 1263 1264 /**************************************************************************** 1265 I2C Client & Driver 1266 ****************************************************************************/ 1267 1268 static int tvp5150_detect_version(struct tvp5150 *core) 1269 { 1270 struct v4l2_subdev *sd = &core->sd; 1271 struct i2c_client *c = v4l2_get_subdevdata(sd); 1272 unsigned int i; 1273 u8 regs[4]; 1274 int res; 1275 1276 /* 1277 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1278 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1279 */ 1280 for (i = 0; i < 4; i++) { 1281 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1282 if (res < 0) 1283 return res; 1284 regs[i] = res; 1285 } 1286 1287 core->dev_id = (regs[0] << 8) | regs[1]; 1288 core->rom_ver = (regs[2] << 8) | regs[3]; 1289 1290 v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1291 core->dev_id, regs[2], regs[3], c->addr << 1, 1292 c->adapter->name); 1293 1294 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1295 v4l2_info(sd, "tvp5150a detected.\n"); 1296 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1297 v4l2_info(sd, "tvp5150am1 detected.\n"); 1298 1299 /* ITU-T BT.656.4 timing */ 1300 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1301 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1302 v4l2_info(sd, "tvp5151 detected.\n"); 1303 } else { 1304 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n", 1305 core->dev_id); 1306 } 1307 1308 return 0; 1309 } 1310 1311 static int tvp5150_init(struct i2c_client *c) 1312 { 1313 struct gpio_desc *pdn_gpio; 1314 struct gpio_desc *reset_gpio; 1315 1316 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1317 if (IS_ERR(pdn_gpio)) 1318 return PTR_ERR(pdn_gpio); 1319 1320 if (pdn_gpio) { 1321 gpiod_set_value_cansleep(pdn_gpio, 0); 1322 /* Delay time between power supplies active and reset */ 1323 msleep(20); 1324 } 1325 1326 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1327 if (IS_ERR(reset_gpio)) 1328 return PTR_ERR(reset_gpio); 1329 1330 if (reset_gpio) { 1331 /* RESETB pulse duration */ 1332 ndelay(500); 1333 gpiod_set_value_cansleep(reset_gpio, 0); 1334 /* Delay time between end of reset to I2C active */ 1335 usleep_range(200, 250); 1336 } 1337 1338 return 0; 1339 } 1340 1341 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1342 { 1343 struct v4l2_of_endpoint bus_cfg; 1344 struct device_node *ep; 1345 #ifdef CONFIG_MEDIA_CONTROLLER 1346 struct device_node *connectors, *child; 1347 struct media_entity *input; 1348 const char *name; 1349 u32 input_type; 1350 #endif 1351 unsigned int flags; 1352 int ret = 0; 1353 1354 ep = of_graph_get_next_endpoint(np, NULL); 1355 if (!ep) 1356 return -EINVAL; 1357 1358 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1359 if (ret) 1360 goto err; 1361 1362 flags = bus_cfg.bus.parallel.flags; 1363 1364 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1365 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1366 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1367 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1368 ret = -EINVAL; 1369 goto err; 1370 } 1371 1372 decoder->mbus_type = bus_cfg.bus_type; 1373 1374 #ifdef CONFIG_MEDIA_CONTROLLER 1375 connectors = of_get_child_by_name(np, "connectors"); 1376 1377 if (!connectors) 1378 goto err; 1379 1380 for_each_available_child_of_node(connectors, child) { 1381 ret = of_property_read_u32(child, "input", &input_type); 1382 if (ret) { 1383 v4l2_err(&decoder->sd, 1384 "missing type property in node %s\n", 1385 child->name); 1386 goto err_connector; 1387 } 1388 1389 if (input_type >= TVP5150_INPUT_NUM) { 1390 ret = -EINVAL; 1391 goto err_connector; 1392 } 1393 1394 input = &decoder->input_ent[input_type]; 1395 1396 /* Each input connector can only be defined once */ 1397 if (input->name) { 1398 v4l2_err(&decoder->sd, 1399 "input %s with same type already exists\n", 1400 input->name); 1401 ret = -EINVAL; 1402 goto err_connector; 1403 } 1404 1405 switch (input_type) { 1406 case TVP5150_COMPOSITE0: 1407 case TVP5150_COMPOSITE1: 1408 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1409 break; 1410 case TVP5150_SVIDEO: 1411 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1412 break; 1413 } 1414 1415 input->flags = MEDIA_ENT_FL_CONNECTOR; 1416 1417 ret = of_property_read_string(child, "label", &name); 1418 if (ret < 0) { 1419 v4l2_err(&decoder->sd, 1420 "missing label property in node %s\n", 1421 child->name); 1422 goto err_connector; 1423 } 1424 1425 input->name = name; 1426 } 1427 1428 err_connector: 1429 of_node_put(connectors); 1430 #endif 1431 err: 1432 of_node_put(ep); 1433 return ret; 1434 } 1435 1436 static const char * const tvp5150_test_patterns[2] = { 1437 "Disabled", 1438 "Black screen" 1439 }; 1440 1441 static int tvp5150_probe(struct i2c_client *c, 1442 const struct i2c_device_id *id) 1443 { 1444 struct tvp5150 *core; 1445 struct v4l2_subdev *sd; 1446 struct device_node *np = c->dev.of_node; 1447 int res; 1448 1449 /* Check if the adapter supports the needed features */ 1450 if (!i2c_check_functionality(c->adapter, 1451 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1452 return -EIO; 1453 1454 res = tvp5150_init(c); 1455 if (res) 1456 return res; 1457 1458 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1459 if (!core) 1460 return -ENOMEM; 1461 1462 sd = &core->sd; 1463 1464 if (IS_ENABLED(CONFIG_OF) && np) { 1465 res = tvp5150_parse_dt(core, np); 1466 if (res) { 1467 v4l2_err(sd, "DT parsing error: %d\n", res); 1468 return res; 1469 } 1470 } else { 1471 /* Default to BT.656 embedded sync */ 1472 core->mbus_type = V4L2_MBUS_BT656; 1473 } 1474 1475 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1476 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1477 1478 #if defined(CONFIG_MEDIA_CONTROLLER) 1479 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1480 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1481 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1482 1483 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1484 1485 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1486 if (res < 0) 1487 return res; 1488 1489 sd->entity.ops = &tvp5150_sd_media_ops; 1490 #endif 1491 1492 res = tvp5150_detect_version(core); 1493 if (res < 0) 1494 return res; 1495 1496 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1497 core->input = TVP5150_COMPOSITE1; 1498 core->enable = true; 1499 1500 v4l2_ctrl_handler_init(&core->hdl, 5); 1501 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1502 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1503 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1504 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1505 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1506 V4L2_CID_SATURATION, 0, 255, 1, 128); 1507 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1508 V4L2_CID_HUE, -128, 127, 1, 0); 1509 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1510 V4L2_CID_PIXEL_RATE, 27000000, 1511 27000000, 1, 27000000); 1512 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1513 V4L2_CID_TEST_PATTERN, 1514 ARRAY_SIZE(tvp5150_test_patterns), 1515 0, 0, tvp5150_test_patterns); 1516 sd->ctrl_handler = &core->hdl; 1517 if (core->hdl.error) { 1518 res = core->hdl.error; 1519 goto err; 1520 } 1521 v4l2_ctrl_handler_setup(&core->hdl); 1522 1523 /* Default is no cropping */ 1524 core->rect.top = 0; 1525 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1526 core->rect.height = TVP5150_V_MAX_525_60; 1527 else 1528 core->rect.height = TVP5150_V_MAX_OTHERS; 1529 core->rect.left = 0; 1530 core->rect.width = TVP5150_H_MAX; 1531 1532 res = v4l2_async_register_subdev(sd); 1533 if (res < 0) 1534 goto err; 1535 1536 if (debug > 1) 1537 tvp5150_log_status(sd); 1538 return 0; 1539 1540 err: 1541 v4l2_ctrl_handler_free(&core->hdl); 1542 return res; 1543 } 1544 1545 static int tvp5150_remove(struct i2c_client *c) 1546 { 1547 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1548 struct tvp5150 *decoder = to_tvp5150(sd); 1549 1550 v4l2_dbg(1, debug, sd, 1551 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1552 c->addr << 1); 1553 1554 v4l2_async_unregister_subdev(sd); 1555 v4l2_ctrl_handler_free(&decoder->hdl); 1556 return 0; 1557 } 1558 1559 /* ----------------------------------------------------------------------- */ 1560 1561 static const struct i2c_device_id tvp5150_id[] = { 1562 { "tvp5150", 0 }, 1563 { } 1564 }; 1565 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1566 1567 #if IS_ENABLED(CONFIG_OF) 1568 static const struct of_device_id tvp5150_of_match[] = { 1569 { .compatible = "ti,tvp5150", }, 1570 { /* sentinel */ }, 1571 }; 1572 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1573 #endif 1574 1575 static struct i2c_driver tvp5150_driver = { 1576 .driver = { 1577 .of_match_table = of_match_ptr(tvp5150_of_match), 1578 .name = "tvp5150", 1579 }, 1580 .probe = tvp5150_probe, 1581 .remove = tvp5150_remove, 1582 .id_table = tvp5150_id, 1583 }; 1584 1585 module_i2c_driver(tvp5150_driver); 1586