1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver 4 // 5 // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org> 6 7 #include <dt-bindings/media/tvp5150.h> 8 #include <linux/i2c.h> 9 #include <linux/slab.h> 10 #include <linux/videodev2.h> 11 #include <linux/delay.h> 12 #include <linux/gpio/consumer.h> 13 #include <linux/module.h> 14 #include <linux/of_graph.h> 15 #include <media/v4l2-async.h> 16 #include <media/v4l2-device.h> 17 #include <media/v4l2-ctrls.h> 18 #include <media/v4l2-fwnode.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 v2"); 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 /* 506 * FIXME: Current api doesn't handle all VBI types, those not 507 * yet supported are placed under #if 0 508 */ 509 #if 0 510 [0] = {0x010, /* Teletext, SECAM, WST System A */ 511 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1}, 512 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26, 513 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 } 514 }, 515 #endif 516 [1] = {0x030, /* Teletext, PAL, WST System B */ 517 {V4L2_SLICED_TELETEXT_B, 6, 22, 1}, 518 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b, 519 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 } 520 }, 521 #if 0 522 [2] = {0x050, /* Teletext, PAL, WST System C */ 523 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1}, 524 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 525 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 526 }, 527 [3] = {0x070, /* Teletext, NTSC, WST System B */ 528 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1}, 529 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23, 530 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 531 }, 532 [4] = {0x090, /* Tetetext, NTSC NABTS System C */ 533 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1}, 534 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22, 535 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 } 536 }, 537 [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */ 538 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1}, 539 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23, 540 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 } 541 }, 542 [6] = {0x0d0, /* Closed Caption, PAL/SECAM */ 543 {V4L2_SLICED_CAPTION_625, 22, 22, 1}, 544 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 545 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 546 }, 547 #endif 548 [7] = {0x0f0, /* Closed Caption, NTSC */ 549 {V4L2_SLICED_CAPTION_525, 21, 21, 1}, 550 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02, 551 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 } 552 }, 553 [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */ 554 {V4L2_SLICED_WSS_625, 23, 23, 1}, 555 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42, 556 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 } 557 }, 558 #if 0 559 [9] = {0x130, /* Wide Screen Signal, NTSC C */ 560 {V4L2_SLICED_WSS_525, 20, 20, 1}, 561 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43, 562 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 } 563 }, 564 [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */ 565 {V4l2_SLICED_VITC_625, 6, 22, 0}, 566 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 567 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 568 }, 569 [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */ 570 {V4l2_SLICED_VITC_525, 10, 20, 0}, 571 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49, 572 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 } 573 }, 574 #endif 575 [12] = {0x190, /* Video Program System (VPS), PAL */ 576 {V4L2_SLICED_VPS, 16, 16, 0}, 577 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d, 578 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 } 579 }, 580 /* 0x1d0 User programmable */ 581 }; 582 583 static int tvp5150_write_inittab(struct v4l2_subdev *sd, 584 const struct i2c_reg_value *regs) 585 { 586 while (regs->reg != 0xff) { 587 tvp5150_write(sd, regs->reg, regs->value); 588 regs++; 589 } 590 return 0; 591 } 592 593 static int tvp5150_vdp_init(struct v4l2_subdev *sd) 594 { 595 unsigned int i; 596 int j; 597 598 /* Disable Full Field */ 599 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 600 601 /* Before programming, Line mode should be at 0xff */ 602 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 603 tvp5150_write(sd, i, 0xff); 604 605 /* Load Ram Table */ 606 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) { 607 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j]; 608 609 if (!regs->type.vbi_type) 610 continue; 611 612 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8); 613 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg); 614 615 for (i = 0; i < 16; i++) 616 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]); 617 } 618 return 0; 619 } 620 621 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */ 622 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd, 623 struct v4l2_sliced_vbi_cap *cap) 624 { 625 int line, i; 626 627 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n"); 628 memset(cap, 0, sizeof(*cap)); 629 630 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { 631 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; 632 633 if (!regs->type.vbi_type) 634 continue; 635 636 for (line = regs->type.ini_line; 637 line <= regs->type.end_line; 638 line++) { 639 cap->service_lines[0][line] |= regs->type.vbi_type; 640 } 641 cap->service_set |= regs->type.vbi_type; 642 } 643 return 0; 644 } 645 646 /* Set vbi processing 647 * type - one of tvp5150_vbi_types 648 * line - line to gather data 649 * fields: bit 0 field1, bit 1, field2 650 * flags (default=0xf0) is a bitmask, were set means: 651 * bit 7: enable filtering null bytes on CC 652 * bit 6: send data also to FIFO 653 * bit 5: don't allow data with errors on FIFO 654 * bit 4: enable ECC when possible 655 * pix_align = pix alignment: 656 * LSB = field1 657 * MSB = field2 658 */ 659 static int tvp5150_set_vbi(struct v4l2_subdev *sd, 660 unsigned int type, u8 flags, int line, 661 const int fields) 662 { 663 struct tvp5150 *decoder = to_tvp5150(sd); 664 v4l2_std_id std = decoder->norm; 665 u8 reg; 666 int i, pos = 0; 667 668 if (std == V4L2_STD_ALL) { 669 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 670 return 0; 671 } else if (std & V4L2_STD_625_50) { 672 /* Don't follow NTSC Line number convension */ 673 line += 3; 674 } 675 676 if (line < 6 || line > 27) 677 return 0; 678 679 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) { 680 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i]; 681 682 if (!regs->type.vbi_type) 683 continue; 684 685 if ((type & regs->type.vbi_type) && 686 (line >= regs->type.ini_line) && 687 (line <= regs->type.end_line)) 688 break; 689 pos++; 690 } 691 692 type = pos | (flags & 0xf0); 693 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 694 695 if (fields & 1) 696 tvp5150_write(sd, reg, type); 697 698 if (fields & 2) 699 tvp5150_write(sd, reg + 1, type); 700 701 return type; 702 } 703 704 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line) 705 { 706 struct tvp5150 *decoder = to_tvp5150(sd); 707 v4l2_std_id std = decoder->norm; 708 u8 reg; 709 int pos, type = 0; 710 int i, ret = 0; 711 712 if (std == V4L2_STD_ALL) { 713 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); 714 return 0; 715 } else if (std & V4L2_STD_625_50) { 716 /* Don't follow NTSC Line number convension */ 717 line += 3; 718 } 719 720 if (line < 6 || line > 27) 721 return 0; 722 723 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; 724 725 for (i = 0; i <= 1; i++) { 726 ret = tvp5150_read(sd, reg + i); 727 if (ret < 0) { 728 dev_err(sd->dev, "%s: failed with error = %d\n", 729 __func__, ret); 730 return 0; 731 } 732 pos = ret & 0x0f; 733 if (pos < ARRAY_SIZE(vbi_ram_default)) 734 type |= vbi_ram_default[pos].type.vbi_type; 735 } 736 737 return type; 738 } 739 740 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std) 741 { 742 struct tvp5150 *decoder = to_tvp5150(sd); 743 int fmt = 0; 744 745 decoder->norm = std; 746 747 /* First tests should be against specific std */ 748 749 if (std == V4L2_STD_NTSC_443) { 750 fmt = VIDEO_STD_NTSC_4_43_BIT; 751 } else if (std == V4L2_STD_PAL_M) { 752 fmt = VIDEO_STD_PAL_M_BIT; 753 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) { 754 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT; 755 } else { 756 /* Then, test against generic ones */ 757 if (std & V4L2_STD_NTSC) 758 fmt = VIDEO_STD_NTSC_MJ_BIT; 759 else if (std & V4L2_STD_PAL) 760 fmt = VIDEO_STD_PAL_BDGHIN_BIT; 761 else if (std & V4L2_STD_SECAM) 762 fmt = VIDEO_STD_SECAM_BIT; 763 } 764 765 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt); 766 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt); 767 return 0; 768 } 769 770 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std) 771 { 772 struct tvp5150 *decoder = to_tvp5150(sd); 773 774 if (decoder->norm == std) 775 return 0; 776 777 /* Change cropping height limits */ 778 if (std & V4L2_STD_525_60) 779 decoder->rect.height = TVP5150_V_MAX_525_60; 780 else 781 decoder->rect.height = TVP5150_V_MAX_OTHERS; 782 783 784 return tvp5150_set_std(sd, std); 785 } 786 787 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val) 788 { 789 struct tvp5150 *decoder = to_tvp5150(sd); 790 791 /* Initializes TVP5150 to its default values */ 792 tvp5150_write_inittab(sd, tvp5150_init_default); 793 794 /* Initializes VDP registers */ 795 tvp5150_vdp_init(sd); 796 797 /* Selects decoder input */ 798 tvp5150_selmux(sd); 799 800 /* Initializes TVP5150 to stream enabled values */ 801 tvp5150_write_inittab(sd, tvp5150_init_enable); 802 803 /* Initialize image preferences */ 804 v4l2_ctrl_handler_setup(&decoder->hdl); 805 806 tvp5150_set_std(sd, decoder->norm); 807 808 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 809 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40); 810 811 return 0; 812 }; 813 814 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl) 815 { 816 struct v4l2_subdev *sd = to_sd(ctrl); 817 struct tvp5150 *decoder = to_tvp5150(sd); 818 819 switch (ctrl->id) { 820 case V4L2_CID_BRIGHTNESS: 821 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val); 822 return 0; 823 case V4L2_CID_CONTRAST: 824 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val); 825 return 0; 826 case V4L2_CID_SATURATION: 827 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val); 828 return 0; 829 case V4L2_CID_HUE: 830 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val); 831 break; 832 case V4L2_CID_TEST_PATTERN: 833 decoder->enable = ctrl->val ? false : true; 834 tvp5150_selmux(sd); 835 return 0; 836 } 837 return -EINVAL; 838 } 839 840 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd) 841 { 842 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5); 843 844 switch (val & 0x0F) { 845 case 0x01: 846 return V4L2_STD_NTSC; 847 case 0x03: 848 return V4L2_STD_PAL; 849 case 0x05: 850 return V4L2_STD_PAL_M; 851 case 0x07: 852 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc; 853 case 0x09: 854 return V4L2_STD_NTSC_443; 855 case 0xb: 856 return V4L2_STD_SECAM; 857 default: 858 return V4L2_STD_UNKNOWN; 859 } 860 } 861 862 static int tvp5150_fill_fmt(struct v4l2_subdev *sd, 863 struct v4l2_subdev_pad_config *cfg, 864 struct v4l2_subdev_format *format) 865 { 866 struct v4l2_mbus_framefmt *f; 867 struct tvp5150 *decoder = to_tvp5150(sd); 868 869 if (!format || (format->pad != DEMOD_PAD_VID_OUT)) 870 return -EINVAL; 871 872 f = &format->format; 873 874 f->width = decoder->rect.width; 875 f->height = decoder->rect.height / 2; 876 877 f->code = MEDIA_BUS_FMT_UYVY8_2X8; 878 f->field = V4L2_FIELD_ALTERNATE; 879 f->colorspace = V4L2_COLORSPACE_SMPTE170M; 880 881 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width, 882 f->height); 883 return 0; 884 } 885 886 static int tvp5150_set_selection(struct v4l2_subdev *sd, 887 struct v4l2_subdev_pad_config *cfg, 888 struct v4l2_subdev_selection *sel) 889 { 890 struct tvp5150 *decoder = to_tvp5150(sd); 891 struct v4l2_rect rect = sel->r; 892 v4l2_std_id std; 893 int hmax; 894 895 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE || 896 sel->target != V4L2_SEL_TGT_CROP) 897 return -EINVAL; 898 899 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n", 900 __func__, rect.left, rect.top, rect.width, rect.height); 901 902 /* tvp5150 has some special limits */ 903 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT); 904 rect.width = clamp_t(unsigned int, rect.width, 905 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left, 906 TVP5150_H_MAX - rect.left); 907 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP); 908 909 /* Calculate height based on current standard */ 910 if (decoder->norm == V4L2_STD_ALL) 911 std = tvp5150_read_std(sd); 912 else 913 std = decoder->norm; 914 915 if (std & V4L2_STD_525_60) 916 hmax = TVP5150_V_MAX_525_60; 917 else 918 hmax = TVP5150_V_MAX_OTHERS; 919 920 rect.height = clamp_t(unsigned int, rect.height, 921 hmax - TVP5150_MAX_CROP_TOP - rect.top, 922 hmax - rect.top); 923 924 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top); 925 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 926 rect.top + rect.height - hmax); 927 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB, 928 rect.left >> TVP5150_CROP_SHIFT); 929 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB, 930 rect.left | (1 << TVP5150_CROP_SHIFT)); 931 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB, 932 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >> 933 TVP5150_CROP_SHIFT); 934 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB, 935 rect.left + rect.width - TVP5150_MAX_CROP_LEFT); 936 937 decoder->rect = rect; 938 939 return 0; 940 } 941 942 static int tvp5150_get_selection(struct v4l2_subdev *sd, 943 struct v4l2_subdev_pad_config *cfg, 944 struct v4l2_subdev_selection *sel) 945 { 946 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd); 947 v4l2_std_id std; 948 949 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE) 950 return -EINVAL; 951 952 switch (sel->target) { 953 case V4L2_SEL_TGT_CROP_BOUNDS: 954 case V4L2_SEL_TGT_CROP_DEFAULT: 955 sel->r.left = 0; 956 sel->r.top = 0; 957 sel->r.width = TVP5150_H_MAX; 958 959 /* Calculate height based on current standard */ 960 if (decoder->norm == V4L2_STD_ALL) 961 std = tvp5150_read_std(sd); 962 else 963 std = decoder->norm; 964 if (std & V4L2_STD_525_60) 965 sel->r.height = TVP5150_V_MAX_525_60; 966 else 967 sel->r.height = TVP5150_V_MAX_OTHERS; 968 return 0; 969 case V4L2_SEL_TGT_CROP: 970 sel->r = decoder->rect; 971 return 0; 972 default: 973 return -EINVAL; 974 } 975 } 976 977 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd, 978 struct v4l2_mbus_config *cfg) 979 { 980 struct tvp5150 *decoder = to_tvp5150(sd); 981 982 cfg->type = decoder->mbus_type; 983 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING 984 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH; 985 986 return 0; 987 } 988 989 /**************************************************************************** 990 V4L2 subdev pad ops 991 ****************************************************************************/ 992 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd, 993 struct v4l2_subdev_pad_config *cfg, 994 struct v4l2_subdev_mbus_code_enum *code) 995 { 996 if (code->pad || code->index) 997 return -EINVAL; 998 999 code->code = MEDIA_BUS_FMT_UYVY8_2X8; 1000 return 0; 1001 } 1002 1003 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd, 1004 struct v4l2_subdev_pad_config *cfg, 1005 struct v4l2_subdev_frame_size_enum *fse) 1006 { 1007 struct tvp5150 *decoder = to_tvp5150(sd); 1008 1009 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8) 1010 return -EINVAL; 1011 1012 fse->code = MEDIA_BUS_FMT_UYVY8_2X8; 1013 fse->min_width = decoder->rect.width; 1014 fse->max_width = decoder->rect.width; 1015 fse->min_height = decoder->rect.height / 2; 1016 fse->max_height = decoder->rect.height / 2; 1017 1018 return 0; 1019 } 1020 1021 /**************************************************************************** 1022 Media entity ops 1023 ****************************************************************************/ 1024 1025 #ifdef CONFIG_MEDIA_CONTROLLER 1026 static int tvp5150_link_setup(struct media_entity *entity, 1027 const struct media_pad *local, 1028 const struct media_pad *remote, u32 flags) 1029 { 1030 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); 1031 struct tvp5150 *decoder = to_tvp5150(sd); 1032 int i; 1033 1034 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1035 if (remote->entity == &decoder->input_ent[i]) 1036 break; 1037 } 1038 1039 /* Do nothing for entities that are not input connectors */ 1040 if (i == TVP5150_INPUT_NUM) 1041 return 0; 1042 1043 decoder->input = i; 1044 1045 tvp5150_selmux(sd); 1046 1047 return 0; 1048 } 1049 1050 static const struct media_entity_operations tvp5150_sd_media_ops = { 1051 .link_setup = tvp5150_link_setup, 1052 }; 1053 #endif 1054 1055 /**************************************************************************** 1056 I2C Command 1057 ****************************************************************************/ 1058 1059 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable) 1060 { 1061 struct tvp5150 *decoder = to_tvp5150(sd); 1062 int val; 1063 1064 /* Enable or disable the video output signals. */ 1065 val = tvp5150_read(sd, TVP5150_MISC_CTL); 1066 if (val < 0) 1067 return val; 1068 1069 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE | 1070 TVP5150_MISC_CTL_CLOCK_OE); 1071 1072 if (enable) { 1073 /* 1074 * Enable the YCbCr and clock outputs. In discrete sync mode 1075 * (non-BT.656) additionally enable the the sync outputs. 1076 */ 1077 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE; 1078 if (decoder->mbus_type == V4L2_MBUS_PARALLEL) 1079 val |= TVP5150_MISC_CTL_SYNC_OE; 1080 } 1081 1082 tvp5150_write(sd, TVP5150_MISC_CTL, val); 1083 1084 return 0; 1085 } 1086 1087 static int tvp5150_s_routing(struct v4l2_subdev *sd, 1088 u32 input, u32 output, u32 config) 1089 { 1090 struct tvp5150 *decoder = to_tvp5150(sd); 1091 1092 decoder->input = input; 1093 decoder->output = output; 1094 1095 if (output == TVP5150_BLACK_SCREEN) 1096 decoder->enable = false; 1097 else 1098 decoder->enable = true; 1099 1100 tvp5150_selmux(sd); 1101 return 0; 1102 } 1103 1104 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt) 1105 { 1106 /* 1107 * this is for capturing 36 raw vbi lines 1108 * if there's a way to cut off the beginning 2 vbi lines 1109 * with the tvp5150 then the vbi line count could be lowered 1110 * to 17 lines/field again, although I couldn't find a register 1111 * which could do that cropping 1112 */ 1113 1114 if (fmt->sample_format == V4L2_PIX_FMT_GREY) 1115 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70); 1116 if (fmt->count[0] == 18 && fmt->count[1] == 18) { 1117 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00); 1118 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01); 1119 } 1120 return 0; 1121 } 1122 1123 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1124 { 1125 int i; 1126 1127 if (svbi->service_set != 0) { 1128 for (i = 0; i <= 23; i++) { 1129 svbi->service_lines[1][i] = 0; 1130 svbi->service_lines[0][i] = 1131 tvp5150_set_vbi(sd, svbi->service_lines[0][i], 1132 0xf0, i, 3); 1133 } 1134 /* Enables FIFO */ 1135 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1); 1136 } else { 1137 /* Disables FIFO*/ 1138 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0); 1139 1140 /* Disable Full Field */ 1141 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0); 1142 1143 /* Disable Line modes */ 1144 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++) 1145 tvp5150_write(sd, i, 0xff); 1146 } 1147 return 0; 1148 } 1149 1150 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi) 1151 { 1152 int i, mask = 0; 1153 1154 memset(svbi->service_lines, 0, sizeof(svbi->service_lines)); 1155 1156 for (i = 0; i <= 23; i++) { 1157 svbi->service_lines[0][i] = 1158 tvp5150_get_vbi(sd, i); 1159 mask |= svbi->service_lines[0][i]; 1160 } 1161 svbi->service_set = mask; 1162 return 0; 1163 } 1164 1165 #ifdef CONFIG_VIDEO_ADV_DEBUG 1166 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) 1167 { 1168 int res; 1169 1170 res = tvp5150_read(sd, reg->reg & 0xff); 1171 if (res < 0) { 1172 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res); 1173 return res; 1174 } 1175 1176 reg->val = res; 1177 reg->size = 1; 1178 return 0; 1179 } 1180 1181 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) 1182 { 1183 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff); 1184 } 1185 #endif 1186 1187 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 1188 { 1189 int status = tvp5150_read(sd, 0x88); 1190 1191 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0; 1192 return 0; 1193 } 1194 1195 static int tvp5150_registered(struct v4l2_subdev *sd) 1196 { 1197 #ifdef CONFIG_MEDIA_CONTROLLER 1198 struct tvp5150 *decoder = to_tvp5150(sd); 1199 int ret = 0; 1200 int i; 1201 1202 for (i = 0; i < TVP5150_INPUT_NUM; i++) { 1203 struct media_entity *input = &decoder->input_ent[i]; 1204 struct media_pad *pad = &decoder->input_pad[i]; 1205 1206 if (!input->name) 1207 continue; 1208 1209 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE; 1210 1211 ret = media_entity_pads_init(input, 1, pad); 1212 if (ret < 0) 1213 return ret; 1214 1215 ret = media_device_register_entity(sd->v4l2_dev->mdev, input); 1216 if (ret < 0) 1217 return ret; 1218 1219 ret = media_create_pad_link(input, 0, &sd->entity, 1220 DEMOD_PAD_IF_INPUT, 0); 1221 if (ret < 0) { 1222 media_device_unregister_entity(input); 1223 return ret; 1224 } 1225 } 1226 #endif 1227 1228 return 0; 1229 } 1230 1231 /* ----------------------------------------------------------------------- */ 1232 1233 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = { 1234 .s_ctrl = tvp5150_s_ctrl, 1235 }; 1236 1237 static const struct v4l2_subdev_core_ops tvp5150_core_ops = { 1238 .log_status = tvp5150_log_status, 1239 .reset = tvp5150_reset, 1240 #ifdef CONFIG_VIDEO_ADV_DEBUG 1241 .g_register = tvp5150_g_register, 1242 .s_register = tvp5150_s_register, 1243 #endif 1244 }; 1245 1246 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = { 1247 .g_tuner = tvp5150_g_tuner, 1248 }; 1249 1250 static const struct v4l2_subdev_video_ops tvp5150_video_ops = { 1251 .s_std = tvp5150_s_std, 1252 .s_stream = tvp5150_s_stream, 1253 .s_routing = tvp5150_s_routing, 1254 .g_mbus_config = tvp5150_g_mbus_config, 1255 }; 1256 1257 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = { 1258 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap, 1259 .g_sliced_fmt = tvp5150_g_sliced_fmt, 1260 .s_sliced_fmt = tvp5150_s_sliced_fmt, 1261 .s_raw_fmt = tvp5150_s_raw_fmt, 1262 }; 1263 1264 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = { 1265 .enum_mbus_code = tvp5150_enum_mbus_code, 1266 .enum_frame_size = tvp5150_enum_frame_size, 1267 .set_fmt = tvp5150_fill_fmt, 1268 .get_fmt = tvp5150_fill_fmt, 1269 .get_selection = tvp5150_get_selection, 1270 .set_selection = tvp5150_set_selection, 1271 }; 1272 1273 static const struct v4l2_subdev_ops tvp5150_ops = { 1274 .core = &tvp5150_core_ops, 1275 .tuner = &tvp5150_tuner_ops, 1276 .video = &tvp5150_video_ops, 1277 .vbi = &tvp5150_vbi_ops, 1278 .pad = &tvp5150_pad_ops, 1279 }; 1280 1281 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = { 1282 .registered = tvp5150_registered, 1283 }; 1284 1285 1286 /**************************************************************************** 1287 I2C Client & Driver 1288 ****************************************************************************/ 1289 1290 static int tvp5150_detect_version(struct tvp5150 *core) 1291 { 1292 struct v4l2_subdev *sd = &core->sd; 1293 struct i2c_client *c = v4l2_get_subdevdata(sd); 1294 unsigned int i; 1295 u8 regs[4]; 1296 int res; 1297 1298 /* 1299 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID, 1300 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER 1301 */ 1302 for (i = 0; i < 4; i++) { 1303 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i); 1304 if (res < 0) 1305 return res; 1306 regs[i] = res; 1307 } 1308 1309 core->dev_id = (regs[0] << 8) | regs[1]; 1310 core->rom_ver = (regs[2] << 8) | regs[3]; 1311 1312 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n", 1313 core->dev_id, regs[2], regs[3], c->addr << 1, 1314 c->adapter->name); 1315 1316 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) { 1317 dev_info(sd->dev, "tvp5150a detected.\n"); 1318 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) { 1319 dev_info(sd->dev, "tvp5150am1 detected.\n"); 1320 1321 /* ITU-T BT.656.4 timing */ 1322 tvp5150_write(sd, TVP5150_REV_SELECT, 0); 1323 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) { 1324 dev_info(sd->dev, "tvp5151 detected.\n"); 1325 } else { 1326 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n", 1327 core->dev_id); 1328 } 1329 1330 return 0; 1331 } 1332 1333 static int tvp5150_init(struct i2c_client *c) 1334 { 1335 struct gpio_desc *pdn_gpio; 1336 struct gpio_desc *reset_gpio; 1337 1338 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH); 1339 if (IS_ERR(pdn_gpio)) 1340 return PTR_ERR(pdn_gpio); 1341 1342 if (pdn_gpio) { 1343 gpiod_set_value_cansleep(pdn_gpio, 0); 1344 /* Delay time between power supplies active and reset */ 1345 msleep(20); 1346 } 1347 1348 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH); 1349 if (IS_ERR(reset_gpio)) 1350 return PTR_ERR(reset_gpio); 1351 1352 if (reset_gpio) { 1353 /* RESETB pulse duration */ 1354 ndelay(500); 1355 gpiod_set_value_cansleep(reset_gpio, 0); 1356 /* Delay time between end of reset to I2C active */ 1357 usleep_range(200, 250); 1358 } 1359 1360 return 0; 1361 } 1362 1363 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np) 1364 { 1365 struct v4l2_fwnode_endpoint bus_cfg; 1366 struct device_node *ep; 1367 #ifdef CONFIG_MEDIA_CONTROLLER 1368 struct device_node *connectors, *child; 1369 struct media_entity *input; 1370 const char *name; 1371 u32 input_type; 1372 #endif 1373 unsigned int flags; 1374 int ret = 0; 1375 1376 ep = of_graph_get_next_endpoint(np, NULL); 1377 if (!ep) 1378 return -EINVAL; 1379 1380 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg); 1381 if (ret) 1382 goto err; 1383 1384 flags = bus_cfg.bus.parallel.flags; 1385 1386 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL && 1387 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH && 1388 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH && 1389 flags & V4L2_MBUS_FIELD_EVEN_LOW)) { 1390 ret = -EINVAL; 1391 goto err; 1392 } 1393 1394 decoder->mbus_type = bus_cfg.bus_type; 1395 1396 #ifdef CONFIG_MEDIA_CONTROLLER 1397 connectors = of_get_child_by_name(np, "connectors"); 1398 1399 if (!connectors) 1400 goto err; 1401 1402 for_each_available_child_of_node(connectors, child) { 1403 ret = of_property_read_u32(child, "input", &input_type); 1404 if (ret) { 1405 dev_err(decoder->sd.dev, 1406 "missing type property in node %s\n", 1407 child->name); 1408 goto err_connector; 1409 } 1410 1411 if (input_type >= TVP5150_INPUT_NUM) { 1412 ret = -EINVAL; 1413 goto err_connector; 1414 } 1415 1416 input = &decoder->input_ent[input_type]; 1417 1418 /* Each input connector can only be defined once */ 1419 if (input->name) { 1420 dev_err(decoder->sd.dev, 1421 "input %s with same type already exists\n", 1422 input->name); 1423 ret = -EINVAL; 1424 goto err_connector; 1425 } 1426 1427 switch (input_type) { 1428 case TVP5150_COMPOSITE0: 1429 case TVP5150_COMPOSITE1: 1430 input->function = MEDIA_ENT_F_CONN_COMPOSITE; 1431 break; 1432 case TVP5150_SVIDEO: 1433 input->function = MEDIA_ENT_F_CONN_SVIDEO; 1434 break; 1435 } 1436 1437 input->flags = MEDIA_ENT_FL_CONNECTOR; 1438 1439 ret = of_property_read_string(child, "label", &name); 1440 if (ret < 0) { 1441 dev_err(decoder->sd.dev, 1442 "missing label property in node %s\n", 1443 child->name); 1444 goto err_connector; 1445 } 1446 1447 input->name = name; 1448 } 1449 1450 err_connector: 1451 of_node_put(connectors); 1452 #endif 1453 err: 1454 of_node_put(ep); 1455 return ret; 1456 } 1457 1458 static const char * const tvp5150_test_patterns[2] = { 1459 "Disabled", 1460 "Black screen" 1461 }; 1462 1463 static int tvp5150_probe(struct i2c_client *c, 1464 const struct i2c_device_id *id) 1465 { 1466 struct tvp5150 *core; 1467 struct v4l2_subdev *sd; 1468 struct device_node *np = c->dev.of_node; 1469 int res; 1470 1471 /* Check if the adapter supports the needed features */ 1472 if (!i2c_check_functionality(c->adapter, 1473 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA)) 1474 return -EIO; 1475 1476 res = tvp5150_init(c); 1477 if (res) 1478 return res; 1479 1480 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL); 1481 if (!core) 1482 return -ENOMEM; 1483 1484 sd = &core->sd; 1485 1486 if (IS_ENABLED(CONFIG_OF) && np) { 1487 res = tvp5150_parse_dt(core, np); 1488 if (res) { 1489 dev_err(sd->dev, "DT parsing error: %d\n", res); 1490 return res; 1491 } 1492 } else { 1493 /* Default to BT.656 embedded sync */ 1494 core->mbus_type = V4L2_MBUS_BT656; 1495 } 1496 1497 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops); 1498 sd->internal_ops = &tvp5150_internal_ops; 1499 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1500 1501 #if defined(CONFIG_MEDIA_CONTROLLER) 1502 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK; 1503 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE; 1504 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE; 1505 1506 sd->entity.function = MEDIA_ENT_F_ATV_DECODER; 1507 1508 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads); 1509 if (res < 0) 1510 return res; 1511 1512 sd->entity.ops = &tvp5150_sd_media_ops; 1513 #endif 1514 1515 res = tvp5150_detect_version(core); 1516 if (res < 0) 1517 return res; 1518 1519 core->norm = V4L2_STD_ALL; /* Default is autodetect */ 1520 core->input = TVP5150_COMPOSITE1; 1521 core->enable = true; 1522 1523 v4l2_ctrl_handler_init(&core->hdl, 5); 1524 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1525 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1526 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1527 V4L2_CID_CONTRAST, 0, 255, 1, 128); 1528 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1529 V4L2_CID_SATURATION, 0, 255, 1, 128); 1530 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1531 V4L2_CID_HUE, -128, 127, 1, 0); 1532 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops, 1533 V4L2_CID_PIXEL_RATE, 27000000, 1534 27000000, 1, 27000000); 1535 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops, 1536 V4L2_CID_TEST_PATTERN, 1537 ARRAY_SIZE(tvp5150_test_patterns), 1538 0, 0, tvp5150_test_patterns); 1539 sd->ctrl_handler = &core->hdl; 1540 if (core->hdl.error) { 1541 res = core->hdl.error; 1542 goto err; 1543 } 1544 1545 /* Default is no cropping */ 1546 core->rect.top = 0; 1547 if (tvp5150_read_std(sd) & V4L2_STD_525_60) 1548 core->rect.height = TVP5150_V_MAX_525_60; 1549 else 1550 core->rect.height = TVP5150_V_MAX_OTHERS; 1551 core->rect.left = 0; 1552 core->rect.width = TVP5150_H_MAX; 1553 1554 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */ 1555 1556 res = v4l2_async_register_subdev(sd); 1557 if (res < 0) 1558 goto err; 1559 1560 if (debug > 1) 1561 tvp5150_log_status(sd); 1562 return 0; 1563 1564 err: 1565 v4l2_ctrl_handler_free(&core->hdl); 1566 return res; 1567 } 1568 1569 static int tvp5150_remove(struct i2c_client *c) 1570 { 1571 struct v4l2_subdev *sd = i2c_get_clientdata(c); 1572 struct tvp5150 *decoder = to_tvp5150(sd); 1573 1574 dev_dbg_lvl(sd->dev, 1, debug, 1575 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n", 1576 c->addr << 1); 1577 1578 v4l2_async_unregister_subdev(sd); 1579 v4l2_ctrl_handler_free(&decoder->hdl); 1580 return 0; 1581 } 1582 1583 /* ----------------------------------------------------------------------- */ 1584 1585 static const struct i2c_device_id tvp5150_id[] = { 1586 { "tvp5150", 0 }, 1587 { } 1588 }; 1589 MODULE_DEVICE_TABLE(i2c, tvp5150_id); 1590 1591 #if IS_ENABLED(CONFIG_OF) 1592 static const struct of_device_id tvp5150_of_match[] = { 1593 { .compatible = "ti,tvp5150", }, 1594 { /* sentinel */ }, 1595 }; 1596 MODULE_DEVICE_TABLE(of, tvp5150_of_match); 1597 #endif 1598 1599 static struct i2c_driver tvp5150_driver = { 1600 .driver = { 1601 .of_match_table = of_match_ptr(tvp5150_of_match), 1602 .name = "tvp5150", 1603 }, 1604 .probe = tvp5150_probe, 1605 .remove = tvp5150_remove, 1606 .id_table = tvp5150_id, 1607 }; 1608 1609 module_i2c_driver(tvp5150_driver); 1610