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 /* 295 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For 296 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK 297 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the 298 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set 299 * INTREQ/GPCL/VBLK to logic 1. 300 */ 301 val = tvp5150_read(sd, TVP5150_MISC_CTL); 302 if (val < 0) { 303 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val); 304 return; 305 } 306 307 if (decoder->input == TVP5150_SVIDEO) 308 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK; 309 else 310 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL; 311 tvp5150_write(sd, TVP5150_MISC_CTL, val); 312 }; 313 314 struct i2c_reg_value { 315 unsigned char reg; 316 unsigned char value; 317 }; 318 319 /* Default values as sugested at TVP5150AM1 datasheet */ 320 static const struct i2c_reg_value tvp5150_init_default[] = { 321 { /* 0x00 */ 322 TVP5150_VD_IN_SRC_SEL_1,0x00 323 }, 324 { /* 0x01 */ 325 TVP5150_ANAL_CHL_CTL,0x15 326 }, 327 { /* 0x02 */ 328 TVP5150_OP_MODE_CTL,0x00 329 }, 330 { /* 0x03 */ 331 TVP5150_MISC_CTL,0x01 332 }, 333 { /* 0x06 */ 334 TVP5150_COLOR_KIL_THSH_CTL,0x10 335 }, 336 { /* 0x07 */ 337 TVP5150_LUMA_PROC_CTL_1,0x60 338 }, 339 { /* 0x08 */ 340 TVP5150_LUMA_PROC_CTL_2,0x00 341 }, 342 { /* 0x09 */ 343 TVP5150_BRIGHT_CTL,0x80 344 }, 345 { /* 0x0a */ 346 TVP5150_SATURATION_CTL,0x80 347 }, 348 { /* 0x0b */ 349 TVP5150_HUE_CTL,0x00 350 }, 351 { /* 0x0c */ 352 TVP5150_CONTRAST_CTL,0x80 353 }, 354 { /* 0x0d */ 355 TVP5150_DATA_RATE_SEL,0x47 356 }, 357 { /* 0x0e */ 358 TVP5150_LUMA_PROC_CTL_3,0x00 359 }, 360 { /* 0x0f */ 361 TVP5150_CONF_SHARED_PIN,0x08 362 }, 363 { /* 0x11 */ 364 TVP5150_ACT_VD_CROP_ST_MSB,0x00 365 }, 366 { /* 0x12 */ 367 TVP5150_ACT_VD_CROP_ST_LSB,0x00 368 }, 369 { /* 0x13 */ 370 TVP5150_ACT_VD_CROP_STP_MSB,0x00 371 }, 372 { /* 0x14 */ 373 TVP5150_ACT_VD_CROP_STP_LSB,0x00 374 }, 375 { /* 0x15 */ 376 TVP5150_GENLOCK,0x01 377 }, 378 { /* 0x16 */ 379 TVP5150_HORIZ_SYNC_START,0x80 380 }, 381 { /* 0x18 */ 382 TVP5150_VERT_BLANKING_START,0x00 383 }, 384 { /* 0x19 */ 385 TVP5150_VERT_BLANKING_STOP,0x00 386 }, 387 { /* 0x1a */ 388 TVP5150_CHROMA_PROC_CTL_1,0x0c 389 }, 390 { /* 0x1b */ 391 TVP5150_CHROMA_PROC_CTL_2,0x14 392 }, 393 { /* 0x1c */ 394 TVP5150_INT_RESET_REG_B,0x00 395 }, 396 { /* 0x1d */ 397 TVP5150_INT_ENABLE_REG_B,0x00 398 }, 399 { /* 0x1e */ 400 TVP5150_INTT_CONFIG_REG_B,0x00 401 }, 402 { /* 0x28 */ 403 TVP5150_VIDEO_STD,0x00 404 }, 405 { /* 0x2e */ 406 TVP5150_MACROVISION_ON_CTR,0x0f 407 }, 408 { /* 0x2f */ 409 TVP5150_MACROVISION_OFF_CTR,0x01 410 }, 411 { /* 0xbb */ 412 TVP5150_TELETEXT_FIL_ENA,0x00 413 }, 414 { /* 0xc0 */ 415 TVP5150_INT_STATUS_REG_A,0x00 416 }, 417 { /* 0xc1 */ 418 TVP5150_INT_ENABLE_REG_A,0x00 419 }, 420 { /* 0xc2 */ 421 TVP5150_INT_CONF,0x04 422 }, 423 { /* 0xc8 */ 424 TVP5150_FIFO_INT_THRESHOLD,0x80 425 }, 426 { /* 0xc9 */ 427 TVP5150_FIFO_RESET,0x00 428 }, 429 { /* 0xca */ 430 TVP5150_LINE_NUMBER_INT,0x00 431 }, 432 { /* 0xcb */ 433 TVP5150_PIX_ALIGN_REG_LOW,0x4e 434 }, 435 { /* 0xcc */ 436 TVP5150_PIX_ALIGN_REG_HIGH,0x00 437 }, 438 { /* 0xcd */ 439 TVP5150_FIFO_OUT_CTRL,0x01 440 }, 441 { /* 0xcf */ 442 TVP5150_FULL_FIELD_ENA,0x00 443 }, 444 { /* 0xd0 */ 445 TVP5150_LINE_MODE_INI,0x00 446 }, 447 { /* 0xfc */ 448 TVP5150_FULL_FIELD_MODE_REG,0x7f 449 }, 450 { /* end of data */ 451 0xff,0xff 452 } 453 }; 454 455 /* Default values as sugested at TVP5150AM1 datasheet */ 456 static const struct i2c_reg_value tvp5150_init_enable[] = { 457 { 458 TVP5150_CONF_SHARED_PIN, 2 459 },{ /* Automatic offset and AGC enabled */ 460 TVP5150_ANAL_CHL_CTL, 0x15 461 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 462 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL | 463 TVP5150_MISC_CTL_INTREQ_OE | 464 TVP5150_MISC_CTL_YCBCR_OE | 465 TVP5150_MISC_CTL_SYNC_OE | 466 TVP5150_MISC_CTL_VBLANK | 467 TVP5150_MISC_CTL_CLOCK_OE, 468 },{ /* Activates video std autodetection for all standards */ 469 TVP5150_AUTOSW_MSK, 0x0 470 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 471 TVP5150_DATA_RATE_SEL, 0x47 472 },{ 473 TVP5150_CHROMA_PROC_CTL_1, 0x0c 474 },{ 475 TVP5150_CHROMA_PROC_CTL_2, 0x54 476 },{ /* Non documented, but initialized on WinTV USB2 */ 477 0x27, 0x20 478 },{ 479 0xff,0xff 480 } 481 }; 482 483 struct tvp5150_vbi_type { 484 unsigned int vbi_type; 485 unsigned int ini_line; 486 unsigned int end_line; 487 unsigned int by_field :1; 488 }; 489 490 struct i2c_vbi_ram_value { 491 u16 reg; 492 struct tvp5150_vbi_type type; 493 unsigned char values[16]; 494 }; 495 496 /* This struct have the values for each supported VBI Standard 497 * by 498 tvp5150_vbi_types should follow the same order as vbi_ram_default 499 * value 0 means rom position 0x10, value 1 means rom position 0x30 500 * and so on. There are 16 possible locations from 0 to 15. 501 */ 502 503 static struct i2c_vbi_ram_value vbi_ram_default[] = 504 { 505 /* FIXME: Current api doesn't handle all VBI types, those not 506 yet supported are placed under #if 0 */ 507 #if 0 508 {0x010, /* Teletext, SECAM, WST System A */ 509 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 510 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 511 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 512 }, 513 #endif 514 {0x030, /* Teletext, PAL, WST System B */ 515 {V4L2_SLICED_TELETEXT_B,6,22,1}, 516 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 517 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 518 }, 519 #if 0 520 {0x050, /* Teletext, PAL, WST System C */ 521 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 522 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 523 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 524 }, 525 {0x070, /* Teletext, NTSC, WST System B */ 526 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 527 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 528 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 529 }, 530 {0x090, /* Tetetext, NTSC NABTS System C */ 531 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 532 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 533 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 534 }, 535 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 536 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 537 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 538 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 539 }, 540 {0x0d0, /* Closed Caption, PAL/SECAM */ 541 {V4L2_SLICED_CAPTION_625,22,22,1}, 542 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 543 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 544 }, 545 #endif 546 {0x0f0, /* Closed Caption, NTSC */ 547 {V4L2_SLICED_CAPTION_525,21,21,1}, 548 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 549 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 550 }, 551 {0x110, /* Wide Screen Signal, PAL/SECAM */ 552 {V4L2_SLICED_WSS_625,23,23,1}, 553 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 554 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 555 }, 556 #if 0 557 {0x130, /* Wide Screen Signal, NTSC C */ 558 {V4L2_SLICED_WSS_525,20,20,1}, 559 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 560 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 561 }, 562 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 563 {V4l2_SLICED_VITC_625,6,22,0}, 564 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 565 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 566 }, 567 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 568 {V4l2_SLICED_VITC_525,10,20,0}, 569 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 570 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 571 }, 572 #endif 573 {0x190, /* Video Program System (VPS), PAL */ 574 {V4L2_SLICED_VPS,16,16,0}, 575 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 576 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 577 }, 578 /* 0x1d0 User programmable */ 579 580 /* End of struct */ 581 { (u16)-1 } 582 }; 583 584 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 585 const struct i2c_reg_value *regs) 586 { 587 while (regs->reg != 0xff) { 588 tvp5150_write(sd, regs->reg, regs->value); 589 regs++; 590 } 591 return 0; 592 } 593 594 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 595 const struct i2c_vbi_ram_value *regs) 596 { 597 unsigned int i; 598 599 /* Disable Full Field */ 600 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 601 602 /* Before programming, Line mode should be at 0xff */ 603 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 604 tvp5150_write(sd, i, 0xff); 605 606 /* Load Ram Table */ 607 while (regs->reg != (u16)-1) { 608 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 609 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 610 611 for (i = 0; i < 16; i++) 612 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 613 614 regs++; 615 } 616 return 0; 617 } 618 619 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 620 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 621 struct v4l2_sliced_vbi_cap *cap) 622 { 623 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 624 int line; 625 626 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 627 memset(cap, 0, sizeof *cap); 628 629 while (regs->reg != (u16)-1 ) { 630 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 631 cap->service_lines[0][line] |= regs->type.vbi_type; 632 } 633 cap->service_set |= regs->type.vbi_type; 634 635 regs++; 636 } 637 return 0; 638 } 639 640 /* Set vbi processing 641 * type - one of tvp5150_vbi_types 642 * line - line to gather data 643 * fields: bit 0 field1, bit 1, field2 644 * flags (default=0xf0) is a bitmask, were set means: 645 * bit 7: enable filtering null bytes on CC 646 * bit 6: send data also to FIFO 647 * bit 5: don't allow data with errors on FIFO 648 * bit 4: enable ECC when possible 649 * pix_align = pix alignment: 650 * LSB = field1 651 * MSB = field2 652 */ 653 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 654 const struct i2c_vbi_ram_value *regs, 655 unsigned int type,u8 flags, int line, 656 const int fields) 657 { 658 struct tvp5150 *decoder = to_tvp5150(sd); 659 v4l2_std_id std = decoder->norm; 660 u8 reg; 661 int pos=0; 662 663 if (std == V4L2_STD_ALL) { 664 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 665 return 0; 666 } else if (std & V4L2_STD_625_50) { 667 /* Don't follow NTSC Line number convension */ 668 line += 3; 669 } 670 671 if (line<6||line>27) 672 return 0; 673 674 while (regs->reg != (u16)-1 ) { 675 if ((type & regs->type.vbi_type) && 676 (line>=regs->type.ini_line) && 677 (line<=regs->type.end_line)) { 678 type=regs->type.vbi_type; 679 break; 680 } 681 682 regs++; 683 pos++; 684 } 685 if (regs->reg == (u16)-1) 686 return 0; 687 688 type=pos | (flags & 0xf0); 689 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; 690 691 if (fields&1) { 692 tvp5150_write(sd, reg, type); 693 } 694 695 if (fields&2) { 696 tvp5150_write(sd, reg+1, type); 697 } 698 699 return type; 700 } 701 702 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 703 const struct i2c_vbi_ram_value *regs, int line) 704 { 705 struct tvp5150 *decoder = to_tvp5150(sd); 706 v4l2_std_id std = decoder->norm; 707 u8 reg; 708 int pos, type = 0; 709 int i, ret = 0; 710 711 if (std == V4L2_STD_ALL) { 712 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 713 return 0; 714 } else if (std & V4L2_STD_625_50) { 715 /* Don't follow NTSC Line number convension */ 716 line += 3; 717 } 718 719 if (line < 6 || line > 27) 720 return 0; 721 722 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 723 724 for (i = 0; i <= 1; i++) { 725 ret = tvp5150_read(sd, reg + i); 726 if (ret < 0) { 727 dev_err(sd->dev, "%s: failed with error = %d\n", 728 __func__, ret); 729 return 0; 730 } 731 pos = ret & 0x0f; 732 if (pos < 0x0f) 733 type |= regs[pos].type.vbi_type; 734 } 735 736 return type; 737 } 738 739 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 740 { 741 struct tvp5150 *decoder = to_tvp5150(sd); 742 int fmt = 0; 743 744 decoder->norm = std; 745 746 /* First tests should be against specific std */ 747 748 if (std == V4L2_STD_NTSC_443) { 749 fmt = VIDEO_STD_NTSC_4_43_BIT; 750 } else if (std == V4L2_STD_PAL_M) { 751 fmt = VIDEO_STD_PAL_M_BIT; 752 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 753 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 754 } else { 755 /* Then, test against generic ones */ 756 if (std & V4L2_STD_NTSC) 757 fmt = VIDEO_STD_NTSC_MJ_BIT; 758 else if (std & V4L2_STD_PAL) 759 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 760 else if (std & V4L2_STD_SECAM) 761 fmt = VIDEO_STD_SECAM_BIT; 762 } 763 764 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 765 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 766 return 0; 767 } 768 769 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 770 { 771 struct tvp5150 *decoder = to_tvp5150(sd); 772 773 if (decoder->norm == std) 774 return 0; 775 776 /* Change cropping height limits */ 777 if (std & V4L2_STD_525_60) 778 decoder->rect.height = TVP5150_V_MAX_525_60; 779 else 780 decoder->rect.height = TVP5150_V_MAX_OTHERS; 781 782 783 return tvp5150_set_std(sd, std); 784 } 785 786 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 787 { 788 struct tvp5150 *decoder = to_tvp5150(sd); 789 790 /* Initializes TVP5150 to its default values */ 791 tvp5150_write_inittab(sd, tvp5150_init_default); 792 793 /* Initializes VDP registers */ 794 tvp5150_vdp_init(sd, vbi_ram_default); 795 796 /* Selects decoder input */ 797 tvp5150_selmux(sd); 798 799 /* Initializes TVP5150 to stream enabled values */ 800 tvp5150_write_inittab(sd, tvp5150_init_enable); 801 802 /* Initialize image preferences */ 803 v4l2_ctrl_handler_setup(&decoder->hdl); 804 805 tvp5150_set_std(sd, decoder->norm); 806 807 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 808 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 809 810 return 0; 811 }; 812 813 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 814 { 815 struct v4l2_subdev *sd = to_sd(ctrl); 816 struct tvp5150 *decoder = to_tvp5150(sd); 817 818 switch (ctrl->id) { 819 case V4L2_CID_BRIGHTNESS: 820 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 821 return 0; 822 case V4L2_CID_CONTRAST: 823 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 824 return 0; 825 case V4L2_CID_SATURATION: 826 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 827 return 0; 828 case V4L2_CID_HUE: 829 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 830 break; 831 case V4L2_CID_TEST_PATTERN: 832 decoder->enable = ctrl->val ? false : true; 833 tvp5150_selmux(sd); 834 return 0; 835 } 836 return -EINVAL; 837 } 838 839 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 840 { 841 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 842 843 switch (val & 0x0F) { 844 case 0x01: 845 return V4L2_STD_NTSC; 846 case 0x03: 847 return V4L2_STD_PAL; 848 case 0x05: 849 return V4L2_STD_PAL_M; 850 case 0x07: 851 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 852 case 0x09: 853 return V4L2_STD_NTSC_443; 854 case 0xb: 855 return V4L2_STD_SECAM; 856 default: 857 return V4L2_STD_UNKNOWN; 858 } 859 } 860 861 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 862 struct v4l2_subdev_pad_config *cfg, 863 struct v4l2_subdev_format *format) 864 { 865 struct v4l2_mbus_framefmt *f; 866 struct tvp5150 *decoder = to_tvp5150(sd); 867 868 if (!format || (format->pad != DEMOD_PAD_VID_OUT)) 869 return -EINVAL; 870 871 f = &format->format; 872 873 f->width = decoder->rect.width; 874 f->height = decoder->rect.height; 875 876 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 877 f->field = V4L2_FIELD_ALTERNATE; 878 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 879 880 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 881 f->height); 882 return 0; 883 } 884 885 static int tvp5150_set_selection(struct v4l2_subdev *sd, 886 struct v4l2_subdev_pad_config *cfg, 887 struct v4l2_subdev_selection *sel) 888 { 889 struct tvp5150 *decoder = to_tvp5150(sd); 890 struct v4l2_rect rect = sel->r; 891 v4l2_std_id std; 892 int hmax; 893 894 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || 895 sel->target != V4L2_SEL_TGT_CROP) 896 return -EINVAL; 897 898 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 899 __func__, rect.left, rect.top, rect.width, rect.height); 900 901 /* tvp5150 has some special limits */ 902 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 903 rect.width = clamp_t(unsigned int, rect.width, 904 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 905 TVP5150_H_MAX - rect.left); 906 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 907 908 /* Calculate height based on current standard */ 909 if (decoder->norm == V4L2_STD_ALL) 910 std = tvp5150_read_std(sd); 911 else 912 std = decoder->norm; 913 914 if (std & V4L2_STD_525_60) 915 hmax = TVP5150_V_MAX_525_60; 916 else 917 hmax = TVP5150_V_MAX_OTHERS; 918 919 rect.height = clamp_t(unsigned int, rect.height, 920 hmax - TVP5150_MAX_CROP_TOP - rect.top, 921 hmax - rect.top); 922 923 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 924 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 925 rect.top + rect.height - hmax); 926 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 927 rect.left >> TVP5150_CROP_SHIFT); 928 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 929 rect.left | (1 << TVP5150_CROP_SHIFT)); 930 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 931 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 932 TVP5150_CROP_SHIFT); 933 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 934 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 935 936 decoder->rect = rect; 937 938 return 0; 939 } 940 941 static int tvp5150_get_selection(struct v4l2_subdev *sd, 942 struct v4l2_subdev_pad_config *cfg, 943 struct v4l2_subdev_selection *sel) 944 { 945 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 946 v4l2_std_id std; 947 948 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) 949 return -EINVAL; 950 951 switch (sel->target) { 952 case V4L2_SEL_TGT_CROP_BOUNDS: 953 case V4L2_SEL_TGT_CROP_DEFAULT: 954 sel->r.left = 0; 955 sel->r.top = 0; 956 sel->r.width = TVP5150_H_MAX; 957 958 /* Calculate height based on current standard */ 959 if (decoder->norm == V4L2_STD_ALL) 960 std = tvp5150_read_std(sd); 961 else 962 std = decoder->norm; 963 if (std & V4L2_STD_525_60) 964 sel->r.height = TVP5150_V_MAX_525_60; 965 else 966 sel->r.height = TVP5150_V_MAX_OTHERS; 967 return 0; 968 case V4L2_SEL_TGT_CROP: 969 sel->r = decoder->rect; 970 return 0; 971 default: 972 return -EINVAL; 973 } 974 } 975 976 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 977 struct v4l2_mbus_config *cfg) 978 { 979 struct tvp5150 *decoder = to_tvp5150(sd); 980 981 cfg->type = decoder->mbus_type; 982 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 983 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 984 985 return 0; 986 } 987 988 /**************************************************************************** 989 V4L2 subdev pad ops 990 ****************************************************************************/ 991 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 992 struct v4l2_subdev_pad_config *cfg, 993 struct v4l2_subdev_mbus_code_enum *code) 994 { 995 if (code->pad || code->index) 996 return -EINVAL; 997 998 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 999 return 0; 1000 } 1001 1002 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 1003 struct v4l2_subdev_pad_config *cfg, 1004 struct v4l2_subdev_frame_size_enum *fse) 1005 { 1006 struct tvp5150 *decoder = to_tvp5150(sd); 1007 1008 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1009 return -EINVAL; 1010 1011 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1012 fse->min_width = decoder->rect.width; 1013 fse->max_width = decoder->rect.width; 1014 fse->min_height = decoder->rect.height / 2; 1015 fse->max_height = decoder->rect.height / 2; 1016 1017 return 0; 1018 } 1019 1020 /**************************************************************************** 1021 Media entity ops 1022 ****************************************************************************/ 1023 1024 #ifdef CONFIG_MEDIA_CONTROLLER 1025 static int tvp5150_link_setup(struct media_entity *entity, 1026 const struct media_pad *local, 1027 const struct media_pad *remote, u32 flags) 1028 { 1029 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1030 struct tvp5150 *decoder = to_tvp5150(sd); 1031 int i; 1032 1033 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1034 if (remote->entity == &decoder->input_ent[i]) 1035 break; 1036 } 1037 1038 /* Do nothing for entities that are not input connectors */ 1039 if (i == TVP5150_INPUT_NUM) 1040 return 0; 1041 1042 decoder->input = i; 1043 1044 tvp5150_selmux(sd); 1045 1046 return 0; 1047 } 1048 1049 static const struct media_entity_operations tvp5150_sd_media_ops = { 1050 .link_setup = tvp5150_link_setup, 1051 }; 1052 #endif 1053 1054 /**************************************************************************** 1055 I2C Command 1056 ****************************************************************************/ 1057 1058 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1059 { 1060 struct tvp5150 *decoder = to_tvp5150(sd); 1061 int val; 1062 1063 /* Enable or disable the video output signals. */ 1064 val = tvp5150_read(sd, TVP5150_MISC_CTL); 1065 if (val < 0) 1066 return val; 1067 1068 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 1069 TVP5150_MISC_CTL_CLOCK_OE); 1070 1071 if (enable) { 1072 /* 1073 * Enable the YCbCr and clock outputs. In discrete sync mode 1074 * (non-BT.656) additionally enable the the sync outputs. 1075 */ 1076 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE; 1077 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1078 val |= TVP5150_MISC_CTL_SYNC_OE; 1079 } 1080 1081 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1082 1083 return 0; 1084 } 1085 1086 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1087 u32 input, u32 output, u32 config) 1088 { 1089 struct tvp5150 *decoder = to_tvp5150(sd); 1090 1091 decoder->input = input; 1092 decoder->output = output; 1093 1094 if (output == TVP5150_BLACK_SCREEN) 1095 decoder->enable = false; 1096 else 1097 decoder->enable = true; 1098 1099 tvp5150_selmux(sd); 1100 return 0; 1101 } 1102 1103 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1104 { 1105 /* this is for capturing 36 raw vbi lines 1106 if there's a way to cut off the beginning 2 vbi lines 1107 with the tvp5150 then the vbi line count could be lowered 1108 to 17 lines/field again, although I couldn't find a register 1109 which could do that cropping */ 1110 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1111 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1112 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1113 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1114 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1115 } 1116 return 0; 1117 } 1118 1119 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1120 { 1121 int i; 1122 1123 if (svbi->service_set != 0) { 1124 for (i = 0; i <= 23; i++) { 1125 svbi->service_lines[1][i] = 0; 1126 svbi->service_lines[0][i] = 1127 tvp5150_set_vbi(sd, vbi_ram_default, 1128 svbi->service_lines[0][i], 0xf0, i, 3); 1129 } 1130 /* Enables FIFO */ 1131 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1132 } else { 1133 /* Disables FIFO*/ 1134 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1135 1136 /* Disable Full Field */ 1137 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1138 1139 /* Disable Line modes */ 1140 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1141 tvp5150_write(sd, i, 0xff); 1142 } 1143 return 0; 1144 } 1145 1146 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1147 { 1148 int i, mask = 0; 1149 1150 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1151 1152 for (i = 0; i <= 23; i++) { 1153 svbi->service_lines[0][i] = 1154 tvp5150_get_vbi(sd, vbi_ram_default, i); 1155 mask |= svbi->service_lines[0][i]; 1156 } 1157 svbi->service_set = mask; 1158 return 0; 1159 } 1160 1161 #ifdef CONFIG_VIDEO_ADV_DEBUG 1162 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1163 { 1164 int res; 1165 1166 res = tvp5150_read(sd, reg->reg & 0xff); 1167 if (res < 0) { 1168 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1169 return res; 1170 } 1171 1172 reg->val = res; 1173 reg->size = 1; 1174 return 0; 1175 } 1176 1177 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1178 { 1179 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1180 } 1181 #endif 1182 1183 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1184 { 1185 int status = tvp5150_read(sd, 0x88); 1186 1187 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1188 return 0; 1189 } 1190 1191 static int tvp5150_registered(struct v4l2_subdev *sd) 1192 { 1193 #ifdef CONFIG_MEDIA_CONTROLLER 1194 struct tvp5150 *decoder = to_tvp5150(sd); 1195 int ret = 0; 1196 int i; 1197 1198 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1199 struct media_entity *input = &decoder->input_ent[i]; 1200 struct media_pad *pad = &decoder->input_pad[i]; 1201 1202 if (!input->name) 1203 continue; 1204 1205 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1206 1207 ret = media_entity_pads_init(input, 1, pad); 1208 if (ret < 0) 1209 return ret; 1210 1211 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1212 if (ret < 0) 1213 return ret; 1214 1215 ret = media_create_pad_link(input, 0, &sd->entity, 1216 DEMOD_PAD_IF_INPUT, 0); 1217 if (ret < 0) { 1218 media_device_unregister_entity(input); 1219 return ret; 1220 } 1221 } 1222 #endif 1223 1224 return 0; 1225 } 1226 1227 /* ----------------------------------------------------------------------- */ 1228 1229 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1230 .s_ctrl = tvp5150_s_ctrl, 1231 }; 1232 1233 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1234 .log_status = tvp5150_log_status, 1235 .reset = tvp5150_reset, 1236 #ifdef CONFIG_VIDEO_ADV_DEBUG 1237 .g_register = tvp5150_g_register, 1238 .s_register = tvp5150_s_register, 1239 #endif 1240 }; 1241 1242 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1243 .g_tuner = tvp5150_g_tuner, 1244 }; 1245 1246 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1247 .s_std = tvp5150_s_std, 1248 .s_stream = tvp5150_s_stream, 1249 .s_routing = tvp5150_s_routing, 1250 .g_mbus_config = tvp5150_g_mbus_config, 1251 }; 1252 1253 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1254 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1255 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1256 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1257 .s_raw_fmt = tvp5150_s_raw_fmt, 1258 }; 1259 1260 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1261 .enum_mbus_code = tvp5150_enum_mbus_code, 1262 .enum_frame_size = tvp5150_enum_frame_size, 1263 .set_fmt = tvp5150_fill_fmt, 1264 .get_fmt = tvp5150_fill_fmt, 1265 .get_selection = tvp5150_get_selection, 1266 .set_selection = tvp5150_set_selection, 1267 }; 1268 1269 static const struct v4l2_subdev_ops tvp5150_ops = { 1270 .core = &tvp5150_core_ops, 1271 .tuner = &tvp5150_tuner_ops, 1272 .video = &tvp5150_video_ops, 1273 .vbi = &tvp5150_vbi_ops, 1274 .pad = &tvp5150_pad_ops, 1275 }; 1276 1277 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1278 .registered = tvp5150_registered, 1279 }; 1280 1281 1282 /**************************************************************************** 1283 I2C Client & Driver 1284 ****************************************************************************/ 1285 1286 static int tvp5150_detect_version(struct tvp5150 *core) 1287 { 1288 struct v4l2_subdev *sd = &core->sd; 1289 struct i2c_client *c = v4l2_get_subdevdata(sd); 1290 unsigned int i; 1291 u8 regs[4]; 1292 int res; 1293 1294 /* 1295 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1296 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1297 */ 1298 for (i = 0; i < 4; i++) { 1299 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1300 if (res < 0) 1301 return res; 1302 regs[i] = res; 1303 } 1304 1305 core->dev_id = (regs[0] << 8) | regs[1]; 1306 core->rom_ver = (regs[2] << 8) | regs[3]; 1307 1308 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1309 core->dev_id, regs[2], regs[3], c->addr << 1, 1310 c->adapter->name); 1311 1312 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1313 dev_info(sd->dev, "tvp5150a detected.\n"); 1314 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1315 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1316 1317 /* ITU-T BT.656.4 timing */ 1318 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1319 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1320 dev_info(sd->dev, "tvp5151 detected.\n"); 1321 } else { 1322 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1323 core->dev_id); 1324 } 1325 1326 return 0; 1327 } 1328 1329 static int tvp5150_init(struct i2c_client *c) 1330 { 1331 struct gpio_desc *pdn_gpio; 1332 struct gpio_desc *reset_gpio; 1333 1334 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1335 if (IS_ERR(pdn_gpio)) 1336 return PTR_ERR(pdn_gpio); 1337 1338 if (pdn_gpio) { 1339 gpiod_set_value_cansleep(pdn_gpio, 0); 1340 /* Delay time between power supplies active and reset */ 1341 msleep(20); 1342 } 1343 1344 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1345 if (IS_ERR(reset_gpio)) 1346 return PTR_ERR(reset_gpio); 1347 1348 if (reset_gpio) { 1349 /* RESETB pulse duration */ 1350 ndelay(500); 1351 gpiod_set_value_cansleep(reset_gpio, 0); 1352 /* Delay time between end of reset to I2C active */ 1353 usleep_range(200, 250); 1354 } 1355 1356 return 0; 1357 } 1358 1359 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1360 { 1361 struct v4l2_of_endpoint bus_cfg; 1362 struct device_node *ep; 1363 #ifdef CONFIG_MEDIA_CONTROLLER 1364 struct device_node *connectors, *child; 1365 struct media_entity *input; 1366 const char *name; 1367 u32 input_type; 1368 #endif 1369 unsigned int flags; 1370 int ret = 0; 1371 1372 ep = of_graph_get_next_endpoint(np, NULL); 1373 if (!ep) 1374 return -EINVAL; 1375 1376 ret = v4l2_of_parse_endpoint(ep, &bus_cfg); 1377 if (ret) 1378 goto err; 1379 1380 flags = bus_cfg.bus.parallel.flags; 1381 1382 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1383 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1384 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1385 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1386 ret = -EINVAL; 1387 goto err; 1388 } 1389 1390 decoder->mbus_type = bus_cfg.bus_type; 1391 1392 #ifdef CONFIG_MEDIA_CONTROLLER 1393 connectors = of_get_child_by_name(np, "connectors"); 1394 1395 if (!connectors) 1396 goto err; 1397 1398 for_each_available_child_of_node(connectors, child) { 1399 ret = of_property_read_u32(child, "input", &input_type); 1400 if (ret) { 1401 dev_err(decoder->sd.dev, 1402 "missing type property in node %s\n", 1403 child->name); 1404 goto err_connector; 1405 } 1406 1407 if (input_type >= TVP5150_INPUT_NUM) { 1408 ret = -EINVAL; 1409 goto err_connector; 1410 } 1411 1412 input = &decoder->input_ent[input_type]; 1413 1414 /* Each input connector can only be defined once */ 1415 if (input->name) { 1416 dev_err(decoder->sd.dev, 1417 "input %s with same type already exists\n", 1418 input->name); 1419 ret = -EINVAL; 1420 goto err_connector; 1421 } 1422 1423 switch (input_type) { 1424 case TVP5150_COMPOSITE0: 1425 case TVP5150_COMPOSITE1: 1426 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1427 break; 1428 case TVP5150_SVIDEO: 1429 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1430 break; 1431 } 1432 1433 input->flags = MEDIA_ENT_FL_CONNECTOR; 1434 1435 ret = of_property_read_string(child, "label", &name); 1436 if (ret < 0) { 1437 dev_err(decoder->sd.dev, 1438 "missing label property in node %s\n", 1439 child->name); 1440 goto err_connector; 1441 } 1442 1443 input->name = name; 1444 } 1445 1446 err_connector: 1447 of_node_put(connectors); 1448 #endif 1449 err: 1450 of_node_put(ep); 1451 return ret; 1452 } 1453 1454 static const char * const tvp5150_test_patterns[2] = { 1455 "Disabled", 1456 "Black screen" 1457 }; 1458 1459 static int tvp5150_probe(struct i2c_client *c, 1460 const struct i2c_device_id *id) 1461 { 1462 struct tvp5150 *core; 1463 struct v4l2_subdev *sd; 1464 struct device_node *np = c->dev.of_node; 1465 int res; 1466 1467 /* Check if the adapter supports the needed features */ 1468 if (!i2c_check_functionality(c->adapter, 1469 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1470 return -EIO; 1471 1472 res = tvp5150_init(c); 1473 if (res) 1474 return res; 1475 1476 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1477 if (!core) 1478 return -ENOMEM; 1479 1480 sd = &core->sd; 1481 1482 if (IS_ENABLED(CONFIG_OF) && np) { 1483 res = tvp5150_parse_dt(core, np); 1484 if (res) { 1485 dev_err(sd->dev, "DT parsing error: %d\n", res); 1486 return res; 1487 } 1488 } else { 1489 /* Default to BT.656 embedded sync */ 1490 core->mbus_type = V4L2_MBUS_BT656; 1491 } 1492 1493 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1494 sd->internal_ops = &tvp5150_internal_ops; 1495 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1496 1497 #if defined(CONFIG_MEDIA_CONTROLLER) 1498 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1499 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1500 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1501 1502 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1503 1504 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1505 if (res < 0) 1506 return res; 1507 1508 sd->entity.ops = &tvp5150_sd_media_ops; 1509 #endif 1510 1511 res = tvp5150_detect_version(core); 1512 if (res < 0) 1513 return res; 1514 1515 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1516 core->input = TVP5150_COMPOSITE1; 1517 core->enable = true; 1518 1519 v4l2_ctrl_handler_init(&core->hdl, 5); 1520 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1521 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1522 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1523 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1524 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1525 V4L2_CID_SATURATION, 0, 255, 1, 128); 1526 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1527 V4L2_CID_HUE, -128, 127, 1, 0); 1528 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1529 V4L2_CID_PIXEL_RATE, 27000000, 1530 27000000, 1, 27000000); 1531 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1532 V4L2_CID_TEST_PATTERN, 1533 ARRAY_SIZE(tvp5150_test_patterns), 1534 0, 0, tvp5150_test_patterns); 1535 sd->ctrl_handler = &core->hdl; 1536 if (core->hdl.error) { 1537 res = core->hdl.error; 1538 goto err; 1539 } 1540 1541 /* Default is no cropping */ 1542 core->rect.top = 0; 1543 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1544 core->rect.height = TVP5150_V_MAX_525_60; 1545 else 1546 core->rect.height = TVP5150_V_MAX_OTHERS; 1547 core->rect.left = 0; 1548 core->rect.width = TVP5150_H_MAX; 1549 1550 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */ 1551 1552 res = v4l2_async_register_subdev(sd); 1553 if (res < 0) 1554 goto err; 1555 1556 if (debug > 1) 1557 tvp5150_log_status(sd); 1558 return 0; 1559 1560 err: 1561 v4l2_ctrl_handler_free(&core->hdl); 1562 return res; 1563 } 1564 1565 static int tvp5150_remove(struct i2c_client *c) 1566 { 1567 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1568 struct tvp5150 *decoder = to_tvp5150(sd); 1569 1570 dev_dbg_lvl(sd->dev, 1, debug, 1571 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1572 c->addr << 1); 1573 1574 v4l2_async_unregister_subdev(sd); 1575 v4l2_ctrl_handler_free(&decoder->hdl); 1576 return 0; 1577 } 1578 1579 /* ----------------------------------------------------------------------- */ 1580 1581 static const struct i2c_device_id tvp5150_id[] = { 1582 { "tvp5150", 0 }, 1583 { } 1584 }; 1585 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1586 1587 #if IS_ENABLED(CONFIG_OF) 1588 static const struct of_device_id tvp5150_of_match[] = { 1589 { .compatible = "ti,tvp5150", }, 1590 { /* sentinel */ }, 1591 }; 1592 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1593 #endif 1594 1595 static struct i2c_driver tvp5150_driver = { 1596 .driver = { 1597 .of_match_table = of_match_ptr(tvp5150_of_match), 1598 .name = "tvp5150", 1599 }, 1600 .probe = tvp5150_probe, 1601 .remove = tvp5150_remove, 1602 .id_table = tvp5150_id, 1603 }; 1604 1605 module_i2c_driver(tvp5150_driver); 1606