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 <linux/of_graph.h> 16 #include <media/v4l2-async.h> 17 #include <media/v4l2-device.h> 18 #include <media/v4l2-ctrls.h> 19 #include <media/v4l2-fwnode.h> 20 #include <media/v4l2-mc.h> 21 22 #include "tvp5150_reg.h" 23 24 #define TVP5150_H_MAX 720U 25 #define TVP5150_V_MAX_525_60 480U 26 #define TVP5150_V_MAX_OTHERS 576U 27 #define TVP5150_MAX_CROP_LEFT 511 28 #define TVP5150_MAX_CROP_TOP 127 29 #define TVP5150_CROP_SHIFT 2 30 31 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver"); 32 MODULE_AUTHOR("Mauro Carvalho Chehab"); 33 MODULE_LICENSE("GPL"); 34 35 36 static int debug; 37 module_param(debug, int, 0644); 38 MODULE_PARM_DESC(debug, "Debug level (0-2)"); 39 40 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg) 41 42 struct tvp5150 { 43 struct v4l2_subdev sd; 44 #ifdef CONFIG_MEDIA_CONTROLLER 45 struct media_pad pads[DEMOD_NUM_PADS]; 46 struct media_entity input_ent[TVP5150_INPUT_NUM]; 47 struct media_pad input_pad[TVP5150_INPUT_NUM]; 48 #endif 49 struct v4l2_ctrl_handler hdl; 50 struct v4l2_rect rect; 51 52 v4l2_std_id norm; /* Current set standard */ 53 u32 input; 54 u32 output; 55 int enable; 56 57 u16 dev_id; 58 u16 rom_ver; 59 60 enum v4l2_mbus_type mbus_type; 61 }; 62 63 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd) 64 { 65 return container_of(sd, struct tvp5150, sd); 66 } 67 68 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) 69 { 70 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd; 71 } 72 73 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr) 74 { 75 struct i2c_client *c = v4l2_get_subdevdata(sd); 76 int rc; 77 78 rc = i2c_smbus_read_byte_data(c, addr); 79 if (rc < 0) { 80 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 81 return rc; 82 } 83 84 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc); 85 86 return rc; 87 } 88 89 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr, 90 unsigned char value) 91 { 92 struct i2c_client *c = v4l2_get_subdevdata(sd); 93 int rc; 94 95 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value); 96 rc = i2c_smbus_write_byte_data(c, addr, value); 97 if (rc < 0) 98 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc); 99 100 return rc; 101 } 102 103 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init, 104 const u8 end, int max_line) 105 { 106 u8 buf[16]; 107 int i = 0, j, len; 108 109 if (max_line > 16) { 110 dprintk0(sd->dev, "too much data to dump\n"); 111 return; 112 } 113 114 for (i = init; i < end; i += max_line) { 115 len = (end - i > max_line) ? max_line : end - i; 116 117 for (j = 0; j < len; j++) 118 buf[j] = tvp5150_read(sd, i + j); 119 120 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf); 121 } 122 } 123 124 static int tvp5150_log_status(struct v4l2_subdev *sd) 125 { 126 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n", 127 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1)); 128 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n", 129 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL)); 130 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n", 131 tvp5150_read(sd, TVP5150_OP_MODE_CTL)); 132 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n", 133 tvp5150_read(sd, TVP5150_MISC_CTL)); 134 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n", 135 tvp5150_read(sd, TVP5150_AUTOSW_MSK)); 136 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n", 137 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL)); 138 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n", 139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1), 140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2), 141 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3)); 142 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n", 143 tvp5150_read(sd, TVP5150_BRIGHT_CTL)); 144 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n", 145 tvp5150_read(sd, TVP5150_SATURATION_CTL)); 146 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n", 147 tvp5150_read(sd, TVP5150_HUE_CTL)); 148 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n", 149 tvp5150_read(sd, TVP5150_CONTRAST_CTL)); 150 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n", 151 tvp5150_read(sd, TVP5150_DATA_RATE_SEL)); 152 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n", 153 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN)); 154 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n", 155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB), 156 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB)); 157 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n", 158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB), 159 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB)); 160 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n", 161 tvp5150_read(sd, TVP5150_GENLOCK)); 162 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n", 163 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START)); 164 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n", 165 tvp5150_read(sd, TVP5150_VERT_BLANKING_START)); 166 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n", 167 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP)); 168 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n", 169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1), 170 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2)); 171 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n", 172 tvp5150_read(sd, TVP5150_INT_RESET_REG_B)); 173 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n", 174 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B)); 175 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n", 176 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B)); 177 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n", 178 tvp5150_read(sd, TVP5150_VIDEO_STD)); 179 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n", 180 tvp5150_read(sd, TVP5150_CB_GAIN_FACT), 181 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR)); 182 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n", 183 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR)); 184 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n", 185 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR)); 186 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n", 187 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4); 188 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n", 189 tvp5150_read(sd, TVP5150_MSB_DEV_ID), 190 tvp5150_read(sd, TVP5150_LSB_DEV_ID)); 191 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n", 192 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER), 193 tvp5150_read(sd, TVP5150_ROM_MINOR_VER)); 194 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n", 195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB), 196 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB)); 197 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n", 198 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B)); 199 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n", 200 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B)); 201 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n", 202 tvp5150_read(sd, TVP5150_STATUS_REG_1), 203 tvp5150_read(sd, TVP5150_STATUS_REG_2), 204 tvp5150_read(sd, TVP5150_STATUS_REG_3), 205 tvp5150_read(sd, TVP5150_STATUS_REG_4), 206 tvp5150_read(sd, TVP5150_STATUS_REG_5)); 207 208 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI, 209 TVP5150_TELETEXT_FIL1_END, 8); 210 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI, 211 TVP5150_TELETEXT_FIL2_END, 8); 212 213 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n", 214 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA)); 215 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n", 216 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A)); 217 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n", 218 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A)); 219 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n", 220 tvp5150_read(sd, TVP5150_INT_CONF)); 221 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n", 222 tvp5150_read(sd, TVP5150_VDP_STATUS_REG)); 223 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n", 224 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT)); 225 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n", 226 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD)); 227 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n", 228 tvp5150_read(sd, TVP5150_FIFO_RESET)); 229 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n", 230 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT)); 231 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n", 232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH), 233 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW)); 234 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n", 235 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL)); 236 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n", 237 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA)); 238 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n", 239 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG)); 240 241 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI, 242 TVP5150_CC_DATA_END, 8); 243 244 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI, 245 TVP5150_WSS_DATA_END, 8); 246 247 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI, 248 TVP5150_VPS_DATA_END, 8); 249 250 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI, 251 TVP5150_VITC_DATA_END, 10); 252 253 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI, 254 TVP5150_LINE_MODE_END, 8); 255 return 0; 256 } 257 258 /**************************************************************************** 259 Basic functions 260 ****************************************************************************/ 261 262 static void tvp5150_selmux(struct v4l2_subdev *sd) 263 { 264 int opmode = 0; 265 struct tvp5150 *decoder = to_tvp5150(sd); 266 int input = 0; 267 int val; 268 269 /* Only tvp5150am1 and tvp5151 have signal generator support */ 270 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) || 271 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) { 272 if (!decoder->enable) 273 input = 8; 274 } 275 276 switch (decoder->input) { 277 case TVP5150_COMPOSITE1: 278 input |= 2; 279 /* fall through */ 280 case TVP5150_COMPOSITE0: 281 break; 282 case TVP5150_SVIDEO: 283 default: 284 input |= 1; 285 break; 286 } 287 288 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n", 289 decoder->input, decoder->output, 290 input, opmode); 291 292 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode); 293 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input); 294 295 /* 296 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For 297 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK 298 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the 299 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set 300 * INTREQ/GPCL/VBLK to logic 1. 301 */ 302 val = tvp5150_read(sd, TVP5150_MISC_CTL); 303 if (val < 0) { 304 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val); 305 return; 306 } 307 308 if (decoder->input == TVP5150_SVIDEO) 309 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK; 310 else 311 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL; 312 tvp5150_write(sd, TVP5150_MISC_CTL, val); 313 }; 314 315 struct i2c_reg_value { 316 unsigned char reg; 317 unsigned char value; 318 }; 319 320 /* Default values as sugested at TVP5150AM1 datasheet */ 321 static const struct i2c_reg_value tvp5150_init_default[] = { 322 { /* 0x00 */ 323 TVP5150_VD_IN_SRC_SEL_1,0x00 324 }, 325 { /* 0x01 */ 326 TVP5150_ANAL_CHL_CTL,0x15 327 }, 328 { /* 0x02 */ 329 TVP5150_OP_MODE_CTL,0x00 330 }, 331 { /* 0x03 */ 332 TVP5150_MISC_CTL,0x01 333 }, 334 { /* 0x06 */ 335 TVP5150_COLOR_KIL_THSH_CTL,0x10 336 }, 337 { /* 0x07 */ 338 TVP5150_LUMA_PROC_CTL_1,0x60 339 }, 340 { /* 0x08 */ 341 TVP5150_LUMA_PROC_CTL_2,0x00 342 }, 343 { /* 0x09 */ 344 TVP5150_BRIGHT_CTL,0x80 345 }, 346 { /* 0x0a */ 347 TVP5150_SATURATION_CTL,0x80 348 }, 349 { /* 0x0b */ 350 TVP5150_HUE_CTL,0x00 351 }, 352 { /* 0x0c */ 353 TVP5150_CONTRAST_CTL,0x80 354 }, 355 { /* 0x0d */ 356 TVP5150_DATA_RATE_SEL,0x47 357 }, 358 { /* 0x0e */ 359 TVP5150_LUMA_PROC_CTL_3,0x00 360 }, 361 { /* 0x0f */ 362 TVP5150_CONF_SHARED_PIN,0x08 363 }, 364 { /* 0x11 */ 365 TVP5150_ACT_VD_CROP_ST_MSB,0x00 366 }, 367 { /* 0x12 */ 368 TVP5150_ACT_VD_CROP_ST_LSB,0x00 369 }, 370 { /* 0x13 */ 371 TVP5150_ACT_VD_CROP_STP_MSB,0x00 372 }, 373 { /* 0x14 */ 374 TVP5150_ACT_VD_CROP_STP_LSB,0x00 375 }, 376 { /* 0x15 */ 377 TVP5150_GENLOCK,0x01 378 }, 379 { /* 0x16 */ 380 TVP5150_HORIZ_SYNC_START,0x80 381 }, 382 { /* 0x18 */ 383 TVP5150_VERT_BLANKING_START,0x00 384 }, 385 { /* 0x19 */ 386 TVP5150_VERT_BLANKING_STOP,0x00 387 }, 388 { /* 0x1a */ 389 TVP5150_CHROMA_PROC_CTL_1,0x0c 390 }, 391 { /* 0x1b */ 392 TVP5150_CHROMA_PROC_CTL_2,0x14 393 }, 394 { /* 0x1c */ 395 TVP5150_INT_RESET_REG_B,0x00 396 }, 397 { /* 0x1d */ 398 TVP5150_INT_ENABLE_REG_B,0x00 399 }, 400 { /* 0x1e */ 401 TVP5150_INTT_CONFIG_REG_B,0x00 402 }, 403 { /* 0x28 */ 404 TVP5150_VIDEO_STD,0x00 405 }, 406 { /* 0x2e */ 407 TVP5150_MACROVISION_ON_CTR,0x0f 408 }, 409 { /* 0x2f */ 410 TVP5150_MACROVISION_OFF_CTR,0x01 411 }, 412 { /* 0xbb */ 413 TVP5150_TELETEXT_FIL_ENA,0x00 414 }, 415 { /* 0xc0 */ 416 TVP5150_INT_STATUS_REG_A,0x00 417 }, 418 { /* 0xc1 */ 419 TVP5150_INT_ENABLE_REG_A,0x00 420 }, 421 { /* 0xc2 */ 422 TVP5150_INT_CONF,0x04 423 }, 424 { /* 0xc8 */ 425 TVP5150_FIFO_INT_THRESHOLD,0x80 426 }, 427 { /* 0xc9 */ 428 TVP5150_FIFO_RESET,0x00 429 }, 430 { /* 0xca */ 431 TVP5150_LINE_NUMBER_INT,0x00 432 }, 433 { /* 0xcb */ 434 TVP5150_PIX_ALIGN_REG_LOW,0x4e 435 }, 436 { /* 0xcc */ 437 TVP5150_PIX_ALIGN_REG_HIGH,0x00 438 }, 439 { /* 0xcd */ 440 TVP5150_FIFO_OUT_CTRL,0x01 441 }, 442 { /* 0xcf */ 443 TVP5150_FULL_FIELD_ENA,0x00 444 }, 445 { /* 0xd0 */ 446 TVP5150_LINE_MODE_INI,0x00 447 }, 448 { /* 0xfc */ 449 TVP5150_FULL_FIELD_MODE_REG,0x7f 450 }, 451 { /* end of data */ 452 0xff,0xff 453 } 454 }; 455 456 /* Default values as sugested at TVP5150AM1 datasheet */ 457 static const struct i2c_reg_value tvp5150_init_enable[] = { 458 { 459 TVP5150_CONF_SHARED_PIN, 2 460 },{ /* Automatic offset and AGC enabled */ 461 TVP5150_ANAL_CHL_CTL, 0x15 462 },{ /* Activate YCrCb output 0x9 or 0xd ? */ 463 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL | 464 TVP5150_MISC_CTL_INTREQ_OE | 465 TVP5150_MISC_CTL_YCBCR_OE | 466 TVP5150_MISC_CTL_SYNC_OE | 467 TVP5150_MISC_CTL_VBLANK | 468 TVP5150_MISC_CTL_CLOCK_OE, 469 },{ /* Activates video std autodetection for all standards */ 470 TVP5150_AUTOSW_MSK, 0x0 471 },{ /* Default format: 0x47. For 4:2:2: 0x40 */ 472 TVP5150_DATA_RATE_SEL, 0x47 473 },{ 474 TVP5150_CHROMA_PROC_CTL_1, 0x0c 475 },{ 476 TVP5150_CHROMA_PROC_CTL_2, 0x54 477 },{ /* Non documented, but initialized on WinTV USB2 */ 478 0x27, 0x20 479 },{ 480 0xff,0xff 481 } 482 }; 483 484 struct tvp5150_vbi_type { 485 unsigned int vbi_type; 486 unsigned int ini_line; 487 unsigned int end_line; 488 unsigned int by_field :1; 489 }; 490 491 struct i2c_vbi_ram_value { 492 u16 reg; 493 struct tvp5150_vbi_type type; 494 unsigned char values[16]; 495 }; 496 497 /* This struct have the values for each supported VBI Standard 498 * by 499 tvp5150_vbi_types should follow the same order as vbi_ram_default 500 * value 0 means rom position 0x10, value 1 means rom position 0x30 501 * and so on. There are 16 possible locations from 0 to 15. 502 */ 503 504 static struct i2c_vbi_ram_value vbi_ram_default[] = 505 { 506 /* FIXME: Current api doesn't handle all VBI types, those not 507 yet supported are placed under #if 0 */ 508 #if 0 509 {0x010, /* Teletext, SECAM, WST System A */ 510 {V4L2_SLICED_TELETEXT_SECAM,6,23,1}, 511 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 512 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 513 }, 514 #endif 515 {0x030, /* Teletext, PAL, WST System B */ 516 {V4L2_SLICED_TELETEXT_B,6,22,1}, 517 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 518 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 519 }, 520 #if 0 521 {0x050, /* Teletext, PAL, WST System C */ 522 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1}, 523 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 524 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 525 }, 526 {0x070, /* Teletext, NTSC, WST System B */ 527 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1}, 528 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 529 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 530 }, 531 {0x090, /* Tetetext, NTSC NABTS System C */ 532 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1}, 533 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 534 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 535 }, 536 {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 537 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1}, 538 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 539 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 540 }, 541 {0x0d0, /* Closed Caption, PAL/SECAM */ 542 {V4L2_SLICED_CAPTION_625,22,22,1}, 543 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 544 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 545 }, 546 #endif 547 {0x0f0, /* Closed Caption, NTSC */ 548 {V4L2_SLICED_CAPTION_525,21,21,1}, 549 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 550 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 551 }, 552 {0x110, /* Wide Screen Signal, PAL/SECAM */ 553 {V4L2_SLICED_WSS_625,23,23,1}, 554 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 555 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 556 }, 557 #if 0 558 {0x130, /* Wide Screen Signal, NTSC C */ 559 {V4L2_SLICED_WSS_525,20,20,1}, 560 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 561 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 562 }, 563 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 564 {V4l2_SLICED_VITC_625,6,22,0}, 565 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 566 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 567 }, 568 {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 569 {V4l2_SLICED_VITC_525,10,20,0}, 570 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 571 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 572 }, 573 #endif 574 {0x190, /* Video Program System (VPS), PAL */ 575 {V4L2_SLICED_VPS,16,16,0}, 576 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 577 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 578 }, 579 /* 0x1d0 User programmable */ 580 581 /* End of struct */ 582 { (u16)-1 } 583 }; 584 585 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 586 const struct i2c_reg_value *regs) 587 { 588 while (regs->reg != 0xff) { 589 tvp5150_write(sd, regs->reg, regs->value); 590 regs++; 591 } 592 return 0; 593 } 594 595 static int tvp5150_vdp_init(struct v4l2_subdev *sd, 596 const struct i2c_vbi_ram_value *regs) 597 { 598 unsigned int i; 599 600 /* Disable Full Field */ 601 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 602 603 /* Before programming, Line mode should be at 0xff */ 604 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 605 tvp5150_write(sd, i, 0xff); 606 607 /* Load Ram Table */ 608 while (regs->reg != (u16)-1) { 609 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 610 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 611 612 for (i = 0; i < 16; i++) 613 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 614 615 regs++; 616 } 617 return 0; 618 } 619 620 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 621 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 622 struct v4l2_sliced_vbi_cap *cap) 623 { 624 const struct i2c_vbi_ram_value *regs = vbi_ram_default; 625 int line; 626 627 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 628 memset(cap, 0, sizeof *cap); 629 630 while (regs->reg != (u16)-1 ) { 631 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) { 632 cap->service_lines[0][line] |= regs->type.vbi_type; 633 } 634 cap->service_set |= regs->type.vbi_type; 635 636 regs++; 637 } 638 return 0; 639 } 640 641 /* Set vbi processing 642 * type - one of tvp5150_vbi_types 643 * line - line to gather data 644 * fields: bit 0 field1, bit 1, field2 645 * flags (default=0xf0) is a bitmask, were set means: 646 * bit 7: enable filtering null bytes on CC 647 * bit 6: send data also to FIFO 648 * bit 5: don't allow data with errors on FIFO 649 * bit 4: enable ECC when possible 650 * pix_align = pix alignment: 651 * LSB = field1 652 * MSB = field2 653 */ 654 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 655 const struct i2c_vbi_ram_value *regs, 656 unsigned int type,u8 flags, int line, 657 const int fields) 658 { 659 struct tvp5150 *decoder = to_tvp5150(sd); 660 v4l2_std_id std = decoder->norm; 661 u8 reg; 662 int pos = 0; 663 664 if (std == V4L2_STD_ALL) { 665 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 666 return 0; 667 } else if (std & V4L2_STD_625_50) { 668 /* Don't follow NTSC Line number convension */ 669 line += 3; 670 } 671 672 if (line < 6 || line > 27) 673 return 0; 674 675 while (regs->reg != (u16)-1) { 676 if ((type & regs->type.vbi_type) && 677 (line >= regs->type.ini_line) && 678 (line <= regs->type.end_line)) 679 break; 680 681 regs++; 682 pos++; 683 } 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 if (fields & 2) 695 tvp5150_write(sd, reg + 1, type); 696 697 return type; 698 } 699 700 static int tvp5150_get_vbi(struct v4l2_subdev *sd, 701 const struct i2c_vbi_ram_value *regs, int line) 702 { 703 struct tvp5150 *decoder = to_tvp5150(sd); 704 v4l2_std_id std = decoder->norm; 705 u8 reg; 706 int pos, type = 0; 707 int i, ret = 0; 708 709 if (std == V4L2_STD_ALL) { 710 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 711 return 0; 712 } else if (std & V4L2_STD_625_50) { 713 /* Don't follow NTSC Line number convension */ 714 line += 3; 715 } 716 717 if (line < 6 || line > 27) 718 return 0; 719 720 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 721 722 for (i = 0; i <= 1; i++) { 723 ret = tvp5150_read(sd, reg + i); 724 if (ret < 0) { 725 dev_err(sd->dev, "%s: failed with error = %d\n", 726 __func__, ret); 727 return 0; 728 } 729 pos = ret & 0x0f; 730 if (pos < 0x0f) 731 type |= regs[pos].type.vbi_type; 732 } 733 734 return type; 735 } 736 737 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 738 { 739 struct tvp5150 *decoder = to_tvp5150(sd); 740 int fmt = 0; 741 742 decoder->norm = std; 743 744 /* First tests should be against specific std */ 745 746 if (std == V4L2_STD_NTSC_443) { 747 fmt = VIDEO_STD_NTSC_4_43_BIT; 748 } else if (std == V4L2_STD_PAL_M) { 749 fmt = VIDEO_STD_PAL_M_BIT; 750 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 751 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 752 } else { 753 /* Then, test against generic ones */ 754 if (std & V4L2_STD_NTSC) 755 fmt = VIDEO_STD_NTSC_MJ_BIT; 756 else if (std & V4L2_STD_PAL) 757 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 758 else if (std & V4L2_STD_SECAM) 759 fmt = VIDEO_STD_SECAM_BIT; 760 } 761 762 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 763 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 764 return 0; 765 } 766 767 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 768 { 769 struct tvp5150 *decoder = to_tvp5150(sd); 770 771 if (decoder->norm == std) 772 return 0; 773 774 /* Change cropping height limits */ 775 if (std & V4L2_STD_525_60) 776 decoder->rect.height = TVP5150_V_MAX_525_60; 777 else 778 decoder->rect.height = TVP5150_V_MAX_OTHERS; 779 780 781 return tvp5150_set_std(sd, std); 782 } 783 784 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 785 { 786 struct tvp5150 *decoder = to_tvp5150(sd); 787 788 /* Initializes TVP5150 to its default values */ 789 tvp5150_write_inittab(sd, tvp5150_init_default); 790 791 /* Initializes VDP registers */ 792 tvp5150_vdp_init(sd, vbi_ram_default); 793 794 /* Selects decoder input */ 795 tvp5150_selmux(sd); 796 797 /* Initializes TVP5150 to stream enabled values */ 798 tvp5150_write_inittab(sd, tvp5150_init_enable); 799 800 /* Initialize image preferences */ 801 v4l2_ctrl_handler_setup(&decoder->hdl); 802 803 tvp5150_set_std(sd, decoder->norm); 804 805 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 806 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 807 808 return 0; 809 }; 810 811 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 812 { 813 struct v4l2_subdev *sd = to_sd(ctrl); 814 struct tvp5150 *decoder = to_tvp5150(sd); 815 816 switch (ctrl->id) { 817 case V4L2_CID_BRIGHTNESS: 818 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 819 return 0; 820 case V4L2_CID_CONTRAST: 821 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 822 return 0; 823 case V4L2_CID_SATURATION: 824 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 825 return 0; 826 case V4L2_CID_HUE: 827 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 828 break; 829 case V4L2_CID_TEST_PATTERN: 830 decoder->enable = ctrl->val ? false : true; 831 tvp5150_selmux(sd); 832 return 0; 833 } 834 return -EINVAL; 835 } 836 837 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 838 { 839 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 840 841 switch (val & 0x0F) { 842 case 0x01: 843 return V4L2_STD_NTSC; 844 case 0x03: 845 return V4L2_STD_PAL; 846 case 0x05: 847 return V4L2_STD_PAL_M; 848 case 0x07: 849 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 850 case 0x09: 851 return V4L2_STD_NTSC_443; 852 case 0xb: 853 return V4L2_STD_SECAM; 854 default: 855 return V4L2_STD_UNKNOWN; 856 } 857 } 858 859 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 860 struct v4l2_subdev_pad_config *cfg, 861 struct v4l2_subdev_format *format) 862 { 863 struct v4l2_mbus_framefmt *f; 864 struct tvp5150 *decoder = to_tvp5150(sd); 865 866 if (!format || (format->pad != DEMOD_PAD_VID_OUT)) 867 return -EINVAL; 868 869 f = &format->format; 870 871 f->width = decoder->rect.width; 872 f->height = decoder->rect.height; 873 874 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 875 f->field = V4L2_FIELD_ALTERNATE; 876 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 877 878 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 879 f->height); 880 return 0; 881 } 882 883 static int tvp5150_set_selection(struct v4l2_subdev *sd, 884 struct v4l2_subdev_pad_config *cfg, 885 struct v4l2_subdev_selection *sel) 886 { 887 struct tvp5150 *decoder = to_tvp5150(sd); 888 struct v4l2_rect rect = sel->r; 889 v4l2_std_id std; 890 int hmax; 891 892 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || 893 sel->target != V4L2_SEL_TGT_CROP) 894 return -EINVAL; 895 896 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 897 __func__, rect.left, rect.top, rect.width, rect.height); 898 899 /* tvp5150 has some special limits */ 900 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 901 rect.width = clamp_t(unsigned int, rect.width, 902 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 903 TVP5150_H_MAX - rect.left); 904 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 905 906 /* Calculate height based on current standard */ 907 if (decoder->norm == V4L2_STD_ALL) 908 std = tvp5150_read_std(sd); 909 else 910 std = decoder->norm; 911 912 if (std & V4L2_STD_525_60) 913 hmax = TVP5150_V_MAX_525_60; 914 else 915 hmax = TVP5150_V_MAX_OTHERS; 916 917 rect.height = clamp_t(unsigned int, rect.height, 918 hmax - TVP5150_MAX_CROP_TOP - rect.top, 919 hmax - rect.top); 920 921 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 922 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 923 rect.top + rect.height - hmax); 924 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 925 rect.left >> TVP5150_CROP_SHIFT); 926 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 927 rect.left | (1 << TVP5150_CROP_SHIFT)); 928 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 929 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 930 TVP5150_CROP_SHIFT); 931 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 932 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 933 934 decoder->rect = rect; 935 936 return 0; 937 } 938 939 static int tvp5150_get_selection(struct v4l2_subdev *sd, 940 struct v4l2_subdev_pad_config *cfg, 941 struct v4l2_subdev_selection *sel) 942 { 943 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 944 v4l2_std_id std; 945 946 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) 947 return -EINVAL; 948 949 switch (sel->target) { 950 case V4L2_SEL_TGT_CROP_BOUNDS: 951 case V4L2_SEL_TGT_CROP_DEFAULT: 952 sel->r.left = 0; 953 sel->r.top = 0; 954 sel->r.width = TVP5150_H_MAX; 955 956 /* Calculate height based on current standard */ 957 if (decoder->norm == V4L2_STD_ALL) 958 std = tvp5150_read_std(sd); 959 else 960 std = decoder->norm; 961 if (std & V4L2_STD_525_60) 962 sel->r.height = TVP5150_V_MAX_525_60; 963 else 964 sel->r.height = TVP5150_V_MAX_OTHERS; 965 return 0; 966 case V4L2_SEL_TGT_CROP: 967 sel->r = decoder->rect; 968 return 0; 969 default: 970 return -EINVAL; 971 } 972 } 973 974 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 975 struct v4l2_mbus_config *cfg) 976 { 977 struct tvp5150 *decoder = to_tvp5150(sd); 978 979 cfg->type = decoder->mbus_type; 980 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 981 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 982 983 return 0; 984 } 985 986 /**************************************************************************** 987 V4L2 subdev pad ops 988 ****************************************************************************/ 989 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 990 struct v4l2_subdev_pad_config *cfg, 991 struct v4l2_subdev_mbus_code_enum *code) 992 { 993 if (code->pad || code->index) 994 return -EINVAL; 995 996 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 997 return 0; 998 } 999 1000 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 1001 struct v4l2_subdev_pad_config *cfg, 1002 struct v4l2_subdev_frame_size_enum *fse) 1003 { 1004 struct tvp5150 *decoder = to_tvp5150(sd); 1005 1006 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1007 return -EINVAL; 1008 1009 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1010 fse->min_width = decoder->rect.width; 1011 fse->max_width = decoder->rect.width; 1012 fse->min_height = decoder->rect.height / 2; 1013 fse->max_height = decoder->rect.height / 2; 1014 1015 return 0; 1016 } 1017 1018 /**************************************************************************** 1019 Media entity ops 1020 ****************************************************************************/ 1021 1022 #ifdef CONFIG_MEDIA_CONTROLLER 1023 static int tvp5150_link_setup(struct media_entity *entity, 1024 const struct media_pad *local, 1025 const struct media_pad *remote, u32 flags) 1026 { 1027 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1028 struct tvp5150 *decoder = to_tvp5150(sd); 1029 int i; 1030 1031 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1032 if (remote->entity == &decoder->input_ent[i]) 1033 break; 1034 } 1035 1036 /* Do nothing for entities that are not input connectors */ 1037 if (i == TVP5150_INPUT_NUM) 1038 return 0; 1039 1040 decoder->input = i; 1041 1042 tvp5150_selmux(sd); 1043 1044 return 0; 1045 } 1046 1047 static const struct media_entity_operations tvp5150_sd_media_ops = { 1048 .link_setup = tvp5150_link_setup, 1049 }; 1050 #endif 1051 1052 /**************************************************************************** 1053 I2C Command 1054 ****************************************************************************/ 1055 1056 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1057 { 1058 struct tvp5150 *decoder = to_tvp5150(sd); 1059 int val; 1060 1061 /* Enable or disable the video output signals. */ 1062 val = tvp5150_read(sd, TVP5150_MISC_CTL); 1063 if (val < 0) 1064 return val; 1065 1066 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 1067 TVP5150_MISC_CTL_CLOCK_OE); 1068 1069 if (enable) { 1070 /* 1071 * Enable the YCbCr and clock outputs. In discrete sync mode 1072 * (non-BT.656) additionally enable the the sync outputs. 1073 */ 1074 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE; 1075 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1076 val |= TVP5150_MISC_CTL_SYNC_OE; 1077 } 1078 1079 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1080 1081 return 0; 1082 } 1083 1084 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1085 u32 input, u32 output, u32 config) 1086 { 1087 struct tvp5150 *decoder = to_tvp5150(sd); 1088 1089 decoder->input = input; 1090 decoder->output = output; 1091 1092 if (output == TVP5150_BLACK_SCREEN) 1093 decoder->enable = false; 1094 else 1095 decoder->enable = true; 1096 1097 tvp5150_selmux(sd); 1098 return 0; 1099 } 1100 1101 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1102 { 1103 /* this is for capturing 36 raw vbi lines 1104 if there's a way to cut off the beginning 2 vbi lines 1105 with the tvp5150 then the vbi line count could be lowered 1106 to 17 lines/field again, although I couldn't find a register 1107 which could do that cropping */ 1108 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1109 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1110 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1111 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1112 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1113 } 1114 return 0; 1115 } 1116 1117 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1118 { 1119 int i; 1120 1121 if (svbi->service_set != 0) { 1122 for (i = 0; i <= 23; i++) { 1123 svbi->service_lines[1][i] = 0; 1124 svbi->service_lines[0][i] = 1125 tvp5150_set_vbi(sd, vbi_ram_default, 1126 svbi->service_lines[0][i], 0xf0, i, 3); 1127 } 1128 /* Enables FIFO */ 1129 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1130 } else { 1131 /* Disables FIFO*/ 1132 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1133 1134 /* Disable Full Field */ 1135 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1136 1137 /* Disable Line modes */ 1138 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1139 tvp5150_write(sd, i, 0xff); 1140 } 1141 return 0; 1142 } 1143 1144 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1145 { 1146 int i, mask = 0; 1147 1148 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1149 1150 for (i = 0; i <= 23; i++) { 1151 svbi->service_lines[0][i] = 1152 tvp5150_get_vbi(sd, vbi_ram_default, i); 1153 mask |= svbi->service_lines[0][i]; 1154 } 1155 svbi->service_set = mask; 1156 return 0; 1157 } 1158 1159 #ifdef CONFIG_VIDEO_ADV_DEBUG 1160 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1161 { 1162 int res; 1163 1164 res = tvp5150_read(sd, reg->reg & 0xff); 1165 if (res < 0) { 1166 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1167 return res; 1168 } 1169 1170 reg->val = res; 1171 reg->size = 1; 1172 return 0; 1173 } 1174 1175 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1176 { 1177 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1178 } 1179 #endif 1180 1181 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1182 { 1183 int status = tvp5150_read(sd, 0x88); 1184 1185 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1186 return 0; 1187 } 1188 1189 static int tvp5150_registered(struct v4l2_subdev *sd) 1190 { 1191 #ifdef CONFIG_MEDIA_CONTROLLER 1192 struct tvp5150 *decoder = to_tvp5150(sd); 1193 int ret = 0; 1194 int i; 1195 1196 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1197 struct media_entity *input = &decoder->input_ent[i]; 1198 struct media_pad *pad = &decoder->input_pad[i]; 1199 1200 if (!input->name) 1201 continue; 1202 1203 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1204 1205 ret = media_entity_pads_init(input, 1, pad); 1206 if (ret < 0) 1207 return ret; 1208 1209 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1210 if (ret < 0) 1211 return ret; 1212 1213 ret = media_create_pad_link(input, 0, &sd->entity, 1214 DEMOD_PAD_IF_INPUT, 0); 1215 if (ret < 0) { 1216 media_device_unregister_entity(input); 1217 return ret; 1218 } 1219 } 1220 #endif 1221 1222 return 0; 1223 } 1224 1225 /* ----------------------------------------------------------------------- */ 1226 1227 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1228 .s_ctrl = tvp5150_s_ctrl, 1229 }; 1230 1231 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1232 .log_status = tvp5150_log_status, 1233 .reset = tvp5150_reset, 1234 #ifdef CONFIG_VIDEO_ADV_DEBUG 1235 .g_register = tvp5150_g_register, 1236 .s_register = tvp5150_s_register, 1237 #endif 1238 }; 1239 1240 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1241 .g_tuner = tvp5150_g_tuner, 1242 }; 1243 1244 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1245 .s_std = tvp5150_s_std, 1246 .s_stream = tvp5150_s_stream, 1247 .s_routing = tvp5150_s_routing, 1248 .g_mbus_config = tvp5150_g_mbus_config, 1249 }; 1250 1251 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1252 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1253 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1254 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1255 .s_raw_fmt = tvp5150_s_raw_fmt, 1256 }; 1257 1258 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1259 .enum_mbus_code = tvp5150_enum_mbus_code, 1260 .enum_frame_size = tvp5150_enum_frame_size, 1261 .set_fmt = tvp5150_fill_fmt, 1262 .get_fmt = tvp5150_fill_fmt, 1263 .get_selection = tvp5150_get_selection, 1264 .set_selection = tvp5150_set_selection, 1265 }; 1266 1267 static const struct v4l2_subdev_ops tvp5150_ops = { 1268 .core = &tvp5150_core_ops, 1269 .tuner = &tvp5150_tuner_ops, 1270 .video = &tvp5150_video_ops, 1271 .vbi = &tvp5150_vbi_ops, 1272 .pad = &tvp5150_pad_ops, 1273 }; 1274 1275 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1276 .registered = tvp5150_registered, 1277 }; 1278 1279 1280 /**************************************************************************** 1281 I2C Client & Driver 1282 ****************************************************************************/ 1283 1284 static int tvp5150_detect_version(struct tvp5150 *core) 1285 { 1286 struct v4l2_subdev *sd = &core->sd; 1287 struct i2c_client *c = v4l2_get_subdevdata(sd); 1288 unsigned int i; 1289 u8 regs[4]; 1290 int res; 1291 1292 /* 1293 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1294 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1295 */ 1296 for (i = 0; i < 4; i++) { 1297 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1298 if (res < 0) 1299 return res; 1300 regs[i] = res; 1301 } 1302 1303 core->dev_id = (regs[0] << 8) | regs[1]; 1304 core->rom_ver = (regs[2] << 8) | regs[3]; 1305 1306 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1307 core->dev_id, regs[2], regs[3], c->addr << 1, 1308 c->adapter->name); 1309 1310 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1311 dev_info(sd->dev, "tvp5150a detected.\n"); 1312 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1313 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1314 1315 /* ITU-T BT.656.4 timing */ 1316 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1317 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1318 dev_info(sd->dev, "tvp5151 detected.\n"); 1319 } else { 1320 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1321 core->dev_id); 1322 } 1323 1324 return 0; 1325 } 1326 1327 static int tvp5150_init(struct i2c_client *c) 1328 { 1329 struct gpio_desc *pdn_gpio; 1330 struct gpio_desc *reset_gpio; 1331 1332 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1333 if (IS_ERR(pdn_gpio)) 1334 return PTR_ERR(pdn_gpio); 1335 1336 if (pdn_gpio) { 1337 gpiod_set_value_cansleep(pdn_gpio, 0); 1338 /* Delay time between power supplies active and reset */ 1339 msleep(20); 1340 } 1341 1342 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1343 if (IS_ERR(reset_gpio)) 1344 return PTR_ERR(reset_gpio); 1345 1346 if (reset_gpio) { 1347 /* RESETB pulse duration */ 1348 ndelay(500); 1349 gpiod_set_value_cansleep(reset_gpio, 0); 1350 /* Delay time between end of reset to I2C active */ 1351 usleep_range(200, 250); 1352 } 1353 1354 return 0; 1355 } 1356 1357 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1358 { 1359 struct v4l2_fwnode_endpoint bus_cfg; 1360 struct device_node *ep; 1361 #ifdef CONFIG_MEDIA_CONTROLLER 1362 struct device_node *connectors, *child; 1363 struct media_entity *input; 1364 const char *name; 1365 u32 input_type; 1366 #endif 1367 unsigned int flags; 1368 int ret = 0; 1369 1370 ep = of_graph_get_next_endpoint(np, NULL); 1371 if (!ep) 1372 return -EINVAL; 1373 1374 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg); 1375 if (ret) 1376 goto err; 1377 1378 flags = bus_cfg.bus.parallel.flags; 1379 1380 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1381 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1382 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1383 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1384 ret = -EINVAL; 1385 goto err; 1386 } 1387 1388 decoder->mbus_type = bus_cfg.bus_type; 1389 1390 #ifdef CONFIG_MEDIA_CONTROLLER 1391 connectors = of_get_child_by_name(np, "connectors"); 1392 1393 if (!connectors) 1394 goto err; 1395 1396 for_each_available_child_of_node(connectors, child) { 1397 ret = of_property_read_u32(child, "input", &input_type); 1398 if (ret) { 1399 dev_err(decoder->sd.dev, 1400 "missing type property in node %s\n", 1401 child->name); 1402 goto err_connector; 1403 } 1404 1405 if (input_type >= TVP5150_INPUT_NUM) { 1406 ret = -EINVAL; 1407 goto err_connector; 1408 } 1409 1410 input = &decoder->input_ent[input_type]; 1411 1412 /* Each input connector can only be defined once */ 1413 if (input->name) { 1414 dev_err(decoder->sd.dev, 1415 "input %s with same type already exists\n", 1416 input->name); 1417 ret = -EINVAL; 1418 goto err_connector; 1419 } 1420 1421 switch (input_type) { 1422 case TVP5150_COMPOSITE0: 1423 case TVP5150_COMPOSITE1: 1424 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1425 break; 1426 case TVP5150_SVIDEO: 1427 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1428 break; 1429 } 1430 1431 input->flags = MEDIA_ENT_FL_CONNECTOR; 1432 1433 ret = of_property_read_string(child, "label", &name); 1434 if (ret < 0) { 1435 dev_err(decoder->sd.dev, 1436 "missing label property in node %s\n", 1437 child->name); 1438 goto err_connector; 1439 } 1440 1441 input->name = name; 1442 } 1443 1444 err_connector: 1445 of_node_put(connectors); 1446 #endif 1447 err: 1448 of_node_put(ep); 1449 return ret; 1450 } 1451 1452 static const char * const tvp5150_test_patterns[2] = { 1453 "Disabled", 1454 "Black screen" 1455 }; 1456 1457 static int tvp5150_probe(struct i2c_client *c, 1458 const struct i2c_device_id *id) 1459 { 1460 struct tvp5150 *core; 1461 struct v4l2_subdev *sd; 1462 struct device_node *np = c->dev.of_node; 1463 int res; 1464 1465 /* Check if the adapter supports the needed features */ 1466 if (!i2c_check_functionality(c->adapter, 1467 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1468 return -EIO; 1469 1470 res = tvp5150_init(c); 1471 if (res) 1472 return res; 1473 1474 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1475 if (!core) 1476 return -ENOMEM; 1477 1478 sd = &core->sd; 1479 1480 if (IS_ENABLED(CONFIG_OF) && np) { 1481 res = tvp5150_parse_dt(core, np); 1482 if (res) { 1483 dev_err(sd->dev, "DT parsing error: %d\n", res); 1484 return res; 1485 } 1486 } else { 1487 /* Default to BT.656 embedded sync */ 1488 core->mbus_type = V4L2_MBUS_BT656; 1489 } 1490 1491 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1492 sd->internal_ops = &tvp5150_internal_ops; 1493 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1494 1495 #if defined(CONFIG_MEDIA_CONTROLLER) 1496 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1497 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1498 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1499 1500 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1501 1502 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1503 if (res < 0) 1504 return res; 1505 1506 sd->entity.ops = &tvp5150_sd_media_ops; 1507 #endif 1508 1509 res = tvp5150_detect_version(core); 1510 if (res < 0) 1511 return res; 1512 1513 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1514 core->input = TVP5150_COMPOSITE1; 1515 core->enable = true; 1516 1517 v4l2_ctrl_handler_init(&core->hdl, 5); 1518 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1519 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1520 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1521 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1522 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1523 V4L2_CID_SATURATION, 0, 255, 1, 128); 1524 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1525 V4L2_CID_HUE, -128, 127, 1, 0); 1526 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1527 V4L2_CID_PIXEL_RATE, 27000000, 1528 27000000, 1, 27000000); 1529 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1530 V4L2_CID_TEST_PATTERN, 1531 ARRAY_SIZE(tvp5150_test_patterns), 1532 0, 0, tvp5150_test_patterns); 1533 sd->ctrl_handler = &core->hdl; 1534 if (core->hdl.error) { 1535 res = core->hdl.error; 1536 goto err; 1537 } 1538 1539 /* Default is no cropping */ 1540 core->rect.top = 0; 1541 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1542 core->rect.height = TVP5150_V_MAX_525_60; 1543 else 1544 core->rect.height = TVP5150_V_MAX_OTHERS; 1545 core->rect.left = 0; 1546 core->rect.width = TVP5150_H_MAX; 1547 1548 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */ 1549 1550 res = v4l2_async_register_subdev(sd); 1551 if (res < 0) 1552 goto err; 1553 1554 if (debug > 1) 1555 tvp5150_log_status(sd); 1556 return 0; 1557 1558 err: 1559 v4l2_ctrl_handler_free(&core->hdl); 1560 return res; 1561 } 1562 1563 static int tvp5150_remove(struct i2c_client *c) 1564 { 1565 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1566 struct tvp5150 *decoder = to_tvp5150(sd); 1567 1568 dev_dbg_lvl(sd->dev, 1, debug, 1569 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1570 c->addr << 1); 1571 1572 v4l2_async_unregister_subdev(sd); 1573 v4l2_ctrl_handler_free(&decoder->hdl); 1574 return 0; 1575 } 1576 1577 /* ----------------------------------------------------------------------- */ 1578 1579 static const struct i2c_device_id tvp5150_id[] = { 1580 { "tvp5150", 0 }, 1581 { } 1582 }; 1583 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1584 1585 #if IS_ENABLED(CONFIG_OF) 1586 static const struct of_device_id tvp5150_of_match[] = { 1587 { .compatible = "ti,tvp5150", }, 1588 { /* sentinel */ }, 1589 }; 1590 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1591 #endif 1592 1593 static struct i2c_driver tvp5150_driver = { 1594 .driver = { 1595 .of_match_table = of_match_ptr(tvp5150_of_match), 1596 .name = "tvp5150", 1597 }, 1598 .probe = tvp5150_probe, 1599 .remove = tvp5150_remove, 1600 .id_table = tvp5150_id, 1601 }; 1602 1603 module_i2c_driver(tvp5150_driver); 1604