1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * Support for a cx23417 mpeg encoder via cx231xx host port. 5 * 6 * (c) 2004 Jelle Foks <jelle@foks.us> 7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org> 8 * (c) 2008 Steven Toth <stoth@linuxtv.org> 9 * - CX23885/7/8 support 10 * 11 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/), 12 */ 13 14 #include "cx231xx.h" 15 16 #include <linux/module.h> 17 #include <linux/moduleparam.h> 18 #include <linux/init.h> 19 #include <linux/fs.h> 20 #include <linux/delay.h> 21 #include <linux/device.h> 22 #include <linux/firmware.h> 23 #include <linux/slab.h> 24 #include <linux/vmalloc.h> 25 #include <media/v4l2-common.h> 26 #include <media/v4l2-ioctl.h> 27 #include <media/v4l2-event.h> 28 #include <media/drv-intf/cx2341x.h> 29 #include <media/tuner.h> 30 31 #define CX231xx_FIRM_IMAGE_SIZE 376836 32 #define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw" 33 34 /* for polaris ITVC */ 35 #define ITVC_WRITE_DIR 0x03FDFC00 36 #define ITVC_READ_DIR 0x0001FC00 37 38 #define MCI_MEMORY_DATA_BYTE0 0x00 39 #define MCI_MEMORY_DATA_BYTE1 0x08 40 #define MCI_MEMORY_DATA_BYTE2 0x10 41 #define MCI_MEMORY_DATA_BYTE3 0x18 42 43 #define MCI_MEMORY_ADDRESS_BYTE2 0x20 44 #define MCI_MEMORY_ADDRESS_BYTE1 0x28 45 #define MCI_MEMORY_ADDRESS_BYTE0 0x30 46 47 #define MCI_REGISTER_DATA_BYTE0 0x40 48 #define MCI_REGISTER_DATA_BYTE1 0x48 49 #define MCI_REGISTER_DATA_BYTE2 0x50 50 #define MCI_REGISTER_DATA_BYTE3 0x58 51 52 #define MCI_REGISTER_ADDRESS_BYTE0 0x60 53 #define MCI_REGISTER_ADDRESS_BYTE1 0x68 54 55 #define MCI_REGISTER_MODE 0x70 56 57 /* Read and write modes for polaris ITVC */ 58 #define MCI_MODE_REGISTER_READ 0x000 59 #define MCI_MODE_REGISTER_WRITE 0x100 60 #define MCI_MODE_MEMORY_READ 0x000 61 #define MCI_MODE_MEMORY_WRITE 0x4000 62 63 static unsigned int mpeglines = 128; 64 module_param(mpeglines, int, 0644); 65 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32"); 66 67 static unsigned int mpeglinesize = 512; 68 module_param(mpeglinesize, int, 0644); 69 MODULE_PARM_DESC(mpeglinesize, 70 "number of bytes in each line of an MPEG buffer, range 512-1024"); 71 72 static unsigned int v4l_debug = 1; 73 module_param(v4l_debug, int, 0644); 74 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages"); 75 76 #define dprintk(level, fmt, arg...) \ 77 do { \ 78 if (v4l_debug >= level) \ 79 printk(KERN_DEBUG pr_fmt(fmt), ## arg); \ 80 } while (0) 81 82 static struct cx231xx_tvnorm cx231xx_tvnorms[] = { 83 { 84 .name = "NTSC-M", 85 .id = V4L2_STD_NTSC_M, 86 }, { 87 .name = "NTSC-JP", 88 .id = V4L2_STD_NTSC_M_JP, 89 }, { 90 .name = "PAL-BG", 91 .id = V4L2_STD_PAL_BG, 92 }, { 93 .name = "PAL-DK", 94 .id = V4L2_STD_PAL_DK, 95 }, { 96 .name = "PAL-I", 97 .id = V4L2_STD_PAL_I, 98 }, { 99 .name = "PAL-M", 100 .id = V4L2_STD_PAL_M, 101 }, { 102 .name = "PAL-N", 103 .id = V4L2_STD_PAL_N, 104 }, { 105 .name = "PAL-Nc", 106 .id = V4L2_STD_PAL_Nc, 107 }, { 108 .name = "PAL-60", 109 .id = V4L2_STD_PAL_60, 110 }, { 111 .name = "SECAM-L", 112 .id = V4L2_STD_SECAM_L, 113 }, { 114 .name = "SECAM-DK", 115 .id = V4L2_STD_SECAM_DK, 116 } 117 }; 118 119 /* ------------------------------------------------------------------ */ 120 121 enum cx231xx_capture_type { 122 CX231xx_MPEG_CAPTURE, 123 CX231xx_RAW_CAPTURE, 124 CX231xx_RAW_PASSTHRU_CAPTURE 125 }; 126 127 enum cx231xx_capture_bits { 128 CX231xx_RAW_BITS_NONE = 0x00, 129 CX231xx_RAW_BITS_YUV_CAPTURE = 0x01, 130 CX231xx_RAW_BITS_PCM_CAPTURE = 0x02, 131 CX231xx_RAW_BITS_VBI_CAPTURE = 0x04, 132 CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08, 133 CX231xx_RAW_BITS_TO_HOST_CAPTURE = 0x10 134 }; 135 136 enum cx231xx_capture_end { 137 CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */ 138 CX231xx_END_NOW, /* stop immediately, no irq */ 139 }; 140 141 enum cx231xx_framerate { 142 CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */ 143 CX231xx_FRAMERATE_PAL_25 /* PAL: 25fps */ 144 }; 145 146 enum cx231xx_stream_port { 147 CX231xx_OUTPUT_PORT_MEMORY, 148 CX231xx_OUTPUT_PORT_STREAMING, 149 CX231xx_OUTPUT_PORT_SERIAL 150 }; 151 152 enum cx231xx_data_xfer_status { 153 CX231xx_MORE_BUFFERS_FOLLOW, 154 CX231xx_LAST_BUFFER, 155 }; 156 157 enum cx231xx_picture_mask { 158 CX231xx_PICTURE_MASK_NONE, 159 CX231xx_PICTURE_MASK_I_FRAMES, 160 CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3, 161 CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7, 162 }; 163 164 enum cx231xx_vbi_mode_bits { 165 CX231xx_VBI_BITS_SLICED, 166 CX231xx_VBI_BITS_RAW, 167 }; 168 169 enum cx231xx_vbi_insertion_bits { 170 CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA, 171 CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1, 172 CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1, 173 CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1, 174 CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1, 175 }; 176 177 enum cx231xx_dma_unit { 178 CX231xx_DMA_BYTES, 179 CX231xx_DMA_FRAMES, 180 }; 181 182 enum cx231xx_dma_transfer_status_bits { 183 CX231xx_DMA_TRANSFER_BITS_DONE = 0x01, 184 CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04, 185 CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10, 186 }; 187 188 enum cx231xx_pause { 189 CX231xx_PAUSE_ENCODING, 190 CX231xx_RESUME_ENCODING, 191 }; 192 193 enum cx231xx_copyright { 194 CX231xx_COPYRIGHT_OFF, 195 CX231xx_COPYRIGHT_ON, 196 }; 197 198 enum cx231xx_notification_type { 199 CX231xx_NOTIFICATION_REFRESH, 200 }; 201 202 enum cx231xx_notification_status { 203 CX231xx_NOTIFICATION_OFF, 204 CX231xx_NOTIFICATION_ON, 205 }; 206 207 enum cx231xx_notification_mailbox { 208 CX231xx_NOTIFICATION_NO_MAILBOX = -1, 209 }; 210 211 enum cx231xx_field1_lines { 212 CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */ 213 CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */ 214 CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */ 215 }; 216 217 enum cx231xx_field2_lines { 218 CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */ 219 CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */ 220 CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */ 221 }; 222 223 enum cx231xx_custom_data_type { 224 CX231xx_CUSTOM_EXTENSION_USR_DATA, 225 CX231xx_CUSTOM_PRIVATE_PACKET, 226 }; 227 228 enum cx231xx_mute { 229 CX231xx_UNMUTE, 230 CX231xx_MUTE, 231 }; 232 233 enum cx231xx_mute_video_mask { 234 CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00, 235 CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000, 236 CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000, 237 }; 238 239 enum cx231xx_mute_video_shift { 240 CX231xx_MUTE_VIDEO_V_SHIFT = 8, 241 CX231xx_MUTE_VIDEO_U_SHIFT = 16, 242 CX231xx_MUTE_VIDEO_Y_SHIFT = 24, 243 }; 244 245 /* defines below are from ivtv-driver.h */ 246 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF 247 248 /* Firmware API commands */ 249 #define IVTV_API_STD_TIMEOUT 500 250 251 /* Registers */ 252 /* IVTV_REG_OFFSET */ 253 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8) 254 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC) 255 #define IVTV_REG_SPU (0x9050) 256 #define IVTV_REG_HW_BLOCKS (0x9054) 257 #define IVTV_REG_VPU (0x9058) 258 #define IVTV_REG_APU (0xA064) 259 260 /* 261 * Bit definitions for MC417_RWD and MC417_OEN registers 262 * 263 * bits 31-16 264 *+-----------+ 265 *| Reserved | 266 *|+-----------+ 267 *| bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8 268 *|+-------+-------+-------+-------+-------+-------+-------+-------+ 269 *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0| 270 *|+-------+-------+-------+-------+-------+-------+-------+-------+ 271 *| bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 272 *|+-------+-------+-------+-------+-------+-------+-------+-------+ 273 *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0| 274 *|+-------+-------+-------+-------+-------+-------+-------+-------+ 275 */ 276 #define MC417_MIWR 0x8000 277 #define MC417_MIRD 0x4000 278 #define MC417_MICS 0x2000 279 #define MC417_MIRDY 0x1000 280 #define MC417_MIADDR 0x0F00 281 #define MC417_MIDATA 0x00FF 282 283 284 /* Bit definitions for MC417_CTL register **** 285 *bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0 286 *+--------+-------------+--------+--------------+------------+ 287 *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN| 288 *+--------+-------------+--------+--------------+------------+ 289 */ 290 #define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030) 291 #define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006) 292 #define MC417_UART_GPIO_EN 0x00000001 293 294 /* Values for speed control */ 295 #define MC417_SPD_CTL_SLOW 0x1 296 #define MC417_SPD_CTL_MEDIUM 0x0 297 #define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */ 298 299 /* Values for GPIO select */ 300 #define MC417_GPIO_SEL_GPIO3 0x3 301 #define MC417_GPIO_SEL_GPIO2 0x2 302 #define MC417_GPIO_SEL_GPIO1 0x1 303 #define MC417_GPIO_SEL_GPIO0 0x0 304 305 306 #define CX23417_GPIO_MASK 0xFC0003FF 307 308 static int set_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 value) 309 { 310 int status = 0; 311 u32 _gpio_direction = 0; 312 313 _gpio_direction = _gpio_direction & CX23417_GPIO_MASK; 314 _gpio_direction = _gpio_direction | gpio_direction; 315 status = cx231xx_send_gpio_cmd(dev, _gpio_direction, 316 (u8 *)&value, 4, 0, 0); 317 return status; 318 } 319 320 static int get_itvc_reg(struct cx231xx *dev, u32 gpio_direction, u32 *val_ptr) 321 { 322 int status = 0; 323 u32 _gpio_direction = 0; 324 325 _gpio_direction = _gpio_direction & CX23417_GPIO_MASK; 326 _gpio_direction = _gpio_direction | gpio_direction; 327 328 status = cx231xx_send_gpio_cmd(dev, _gpio_direction, 329 (u8 *)val_ptr, 4, 0, 1); 330 return status; 331 } 332 333 static int wait_for_mci_complete(struct cx231xx *dev) 334 { 335 u32 gpio; 336 u32 gpio_direction = 0; 337 u8 count = 0; 338 get_itvc_reg(dev, gpio_direction, &gpio); 339 340 while (!(gpio&0x020000)) { 341 msleep(10); 342 343 get_itvc_reg(dev, gpio_direction, &gpio); 344 345 if (count++ > 100) { 346 dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio); 347 return -EIO; 348 } 349 } 350 return 0; 351 } 352 353 static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value) 354 { 355 u32 temp; 356 int status = 0; 357 358 temp = 0x82 | MCI_REGISTER_DATA_BYTE0 | ((value & 0x000000FF) << 8); 359 temp = temp << 10; 360 status = set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 361 if (status < 0) 362 return status; 363 temp = temp | (0x05 << 10); 364 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 365 366 /*write data byte 1;*/ 367 temp = 0x82 | MCI_REGISTER_DATA_BYTE1 | (value & 0x0000FF00); 368 temp = temp << 10; 369 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 370 temp = temp | (0x05 << 10); 371 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 372 373 /*write data byte 2;*/ 374 temp = 0x82 | MCI_REGISTER_DATA_BYTE2 | ((value & 0x00FF0000) >> 8); 375 temp = temp << 10; 376 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 377 temp = temp | (0x05 << 10); 378 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 379 380 /*write data byte 3;*/ 381 temp = 0x82 | MCI_REGISTER_DATA_BYTE3 | ((value & 0xFF000000) >> 16); 382 temp = temp << 10; 383 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 384 temp = temp | (0x05 << 10); 385 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 386 387 /*write address byte 0;*/ 388 temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x000000FF) << 8); 389 temp = temp << 10; 390 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 391 temp = temp | (0x05 << 10); 392 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 393 394 /*write address byte 1;*/ 395 temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0x0000FF00); 396 temp = temp << 10; 397 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 398 temp = temp | (0x05 << 10); 399 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 400 401 /*Write that the mode is write.*/ 402 temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE; 403 temp = temp << 10; 404 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 405 temp = temp | (0x05 << 10); 406 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 407 408 return wait_for_mci_complete(dev); 409 } 410 411 static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value) 412 { 413 /*write address byte 0;*/ 414 u32 temp; 415 u32 return_value = 0; 416 int ret = 0; 417 418 temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); 419 temp = temp << 10; 420 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 421 temp = temp | ((0x05) << 10); 422 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 423 424 /*write address byte 1;*/ 425 temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00); 426 temp = temp << 10; 427 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 428 temp = temp | ((0x05) << 10); 429 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 430 431 /*write that the mode is read;*/ 432 temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ; 433 temp = temp << 10; 434 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 435 temp = temp | ((0x05) << 10); 436 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 437 438 /*wait for the MIRDY line to be asserted , 439 signalling that the read is done;*/ 440 ret = wait_for_mci_complete(dev); 441 442 /*switch the DATA- GPIO to input mode;*/ 443 444 /*Read data byte 0;*/ 445 temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10; 446 set_itvc_reg(dev, ITVC_READ_DIR, temp); 447 temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10); 448 set_itvc_reg(dev, ITVC_READ_DIR, temp); 449 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 450 return_value |= ((temp & 0x03FC0000) >> 18); 451 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 452 453 /* Read data byte 1;*/ 454 temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10; 455 set_itvc_reg(dev, ITVC_READ_DIR, temp); 456 temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10); 457 set_itvc_reg(dev, ITVC_READ_DIR, temp); 458 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 459 460 return_value |= ((temp & 0x03FC0000) >> 10); 461 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 462 463 /*Read data byte 2;*/ 464 temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10; 465 set_itvc_reg(dev, ITVC_READ_DIR, temp); 466 temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10); 467 set_itvc_reg(dev, ITVC_READ_DIR, temp); 468 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 469 return_value |= ((temp & 0x03FC0000) >> 2); 470 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 471 472 /*Read data byte 3;*/ 473 temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10; 474 set_itvc_reg(dev, ITVC_READ_DIR, temp); 475 temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10); 476 set_itvc_reg(dev, ITVC_READ_DIR, temp); 477 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 478 return_value |= ((temp & 0x03FC0000) << 6); 479 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 480 481 *value = return_value; 482 return ret; 483 } 484 485 static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value) 486 { 487 /*write data byte 0;*/ 488 489 u32 temp; 490 int ret = 0; 491 492 temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8); 493 temp = temp << 10; 494 ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 495 if (ret < 0) 496 return ret; 497 temp = temp | (0x05 << 10); 498 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 499 500 /*write data byte 1;*/ 501 temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00); 502 temp = temp << 10; 503 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 504 temp = temp | (0x05 << 10); 505 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 506 507 /*write data byte 2;*/ 508 temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8); 509 temp = temp << 10; 510 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 511 temp = temp | (0x05 << 10); 512 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 513 514 /*write data byte 3;*/ 515 temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16); 516 temp = temp << 10; 517 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 518 temp = temp | (0x05 << 10); 519 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 520 521 /* write address byte 2;*/ 522 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE | 523 ((address & 0x003F0000) >> 8); 524 temp = temp << 10; 525 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 526 temp = temp | (0x05 << 10); 527 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 528 529 /* write address byte 1;*/ 530 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); 531 temp = temp << 10; 532 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 533 temp = temp | (0x05 << 10); 534 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 535 536 /* write address byte 0;*/ 537 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); 538 temp = temp << 10; 539 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 540 temp = temp | (0x05 << 10); 541 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 542 543 /*wait for MIRDY line;*/ 544 wait_for_mci_complete(dev); 545 546 return 0; 547 } 548 549 static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value) 550 { 551 u32 temp = 0; 552 u32 return_value = 0; 553 int ret = 0; 554 555 /*write address byte 2;*/ 556 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ | 557 ((address & 0x003F0000) >> 8); 558 temp = temp << 10; 559 ret = set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 560 if (ret < 0) 561 return ret; 562 temp = temp | (0x05 << 10); 563 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 564 565 /*write address byte 1*/ 566 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); 567 temp = temp << 10; 568 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 569 temp = temp | (0x05 << 10); 570 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 571 572 /*write address byte 0*/ 573 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); 574 temp = temp << 10; 575 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 576 temp = temp | (0x05 << 10); 577 set_itvc_reg(dev, ITVC_WRITE_DIR, temp); 578 579 /*Wait for MIRDY line*/ 580 ret = wait_for_mci_complete(dev); 581 582 583 /*Read data byte 3;*/ 584 temp = (0x82 | MCI_MEMORY_DATA_BYTE3) << 10; 585 set_itvc_reg(dev, ITVC_READ_DIR, temp); 586 temp = ((0x81 | MCI_MEMORY_DATA_BYTE3) << 10); 587 set_itvc_reg(dev, ITVC_READ_DIR, temp); 588 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 589 return_value |= ((temp & 0x03FC0000) << 6); 590 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 591 592 /*Read data byte 2;*/ 593 temp = (0x82 | MCI_MEMORY_DATA_BYTE2) << 10; 594 set_itvc_reg(dev, ITVC_READ_DIR, temp); 595 temp = ((0x81 | MCI_MEMORY_DATA_BYTE2) << 10); 596 set_itvc_reg(dev, ITVC_READ_DIR, temp); 597 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 598 return_value |= ((temp & 0x03FC0000) >> 2); 599 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 600 601 /* Read data byte 1;*/ 602 temp = (0x82 | MCI_MEMORY_DATA_BYTE1) << 10; 603 set_itvc_reg(dev, ITVC_READ_DIR, temp); 604 temp = ((0x81 | MCI_MEMORY_DATA_BYTE1) << 10); 605 set_itvc_reg(dev, ITVC_READ_DIR, temp); 606 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 607 return_value |= ((temp & 0x03FC0000) >> 10); 608 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 609 610 /*Read data byte 0;*/ 611 temp = (0x82 | MCI_MEMORY_DATA_BYTE0) << 10; 612 set_itvc_reg(dev, ITVC_READ_DIR, temp); 613 temp = ((0x81 | MCI_MEMORY_DATA_BYTE0) << 10); 614 set_itvc_reg(dev, ITVC_READ_DIR, temp); 615 get_itvc_reg(dev, ITVC_READ_DIR, &temp); 616 return_value |= ((temp & 0x03FC0000) >> 18); 617 set_itvc_reg(dev, ITVC_READ_DIR, (0x87 << 10)); 618 619 *value = return_value; 620 return ret; 621 } 622 623 /* ------------------------------------------------------------------ */ 624 625 /* MPEG encoder API */ 626 static char *cmd_to_str(int cmd) 627 { 628 switch (cmd) { 629 case CX2341X_ENC_PING_FW: 630 return "PING_FW"; 631 case CX2341X_ENC_START_CAPTURE: 632 return "START_CAPTURE"; 633 case CX2341X_ENC_STOP_CAPTURE: 634 return "STOP_CAPTURE"; 635 case CX2341X_ENC_SET_AUDIO_ID: 636 return "SET_AUDIO_ID"; 637 case CX2341X_ENC_SET_VIDEO_ID: 638 return "SET_VIDEO_ID"; 639 case CX2341X_ENC_SET_PCR_ID: 640 return "SET_PCR_PID"; 641 case CX2341X_ENC_SET_FRAME_RATE: 642 return "SET_FRAME_RATE"; 643 case CX2341X_ENC_SET_FRAME_SIZE: 644 return "SET_FRAME_SIZE"; 645 case CX2341X_ENC_SET_BIT_RATE: 646 return "SET_BIT_RATE"; 647 case CX2341X_ENC_SET_GOP_PROPERTIES: 648 return "SET_GOP_PROPERTIES"; 649 case CX2341X_ENC_SET_ASPECT_RATIO: 650 return "SET_ASPECT_RATIO"; 651 case CX2341X_ENC_SET_DNR_FILTER_MODE: 652 return "SET_DNR_FILTER_PROPS"; 653 case CX2341X_ENC_SET_DNR_FILTER_PROPS: 654 return "SET_DNR_FILTER_PROPS"; 655 case CX2341X_ENC_SET_CORING_LEVELS: 656 return "SET_CORING_LEVELS"; 657 case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE: 658 return "SET_SPATIAL_FILTER_TYPE"; 659 case CX2341X_ENC_SET_VBI_LINE: 660 return "SET_VBI_LINE"; 661 case CX2341X_ENC_SET_STREAM_TYPE: 662 return "SET_STREAM_TYPE"; 663 case CX2341X_ENC_SET_OUTPUT_PORT: 664 return "SET_OUTPUT_PORT"; 665 case CX2341X_ENC_SET_AUDIO_PROPERTIES: 666 return "SET_AUDIO_PROPERTIES"; 667 case CX2341X_ENC_HALT_FW: 668 return "HALT_FW"; 669 case CX2341X_ENC_GET_VERSION: 670 return "GET_VERSION"; 671 case CX2341X_ENC_SET_GOP_CLOSURE: 672 return "SET_GOP_CLOSURE"; 673 case CX2341X_ENC_GET_SEQ_END: 674 return "GET_SEQ_END"; 675 case CX2341X_ENC_SET_PGM_INDEX_INFO: 676 return "SET_PGM_INDEX_INFO"; 677 case CX2341X_ENC_SET_VBI_CONFIG: 678 return "SET_VBI_CONFIG"; 679 case CX2341X_ENC_SET_DMA_BLOCK_SIZE: 680 return "SET_DMA_BLOCK_SIZE"; 681 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10: 682 return "GET_PREV_DMA_INFO_MB_10"; 683 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9: 684 return "GET_PREV_DMA_INFO_MB_9"; 685 case CX2341X_ENC_SCHED_DMA_TO_HOST: 686 return "SCHED_DMA_TO_HOST"; 687 case CX2341X_ENC_INITIALIZE_INPUT: 688 return "INITIALIZE_INPUT"; 689 case CX2341X_ENC_SET_FRAME_DROP_RATE: 690 return "SET_FRAME_DROP_RATE"; 691 case CX2341X_ENC_PAUSE_ENCODER: 692 return "PAUSE_ENCODER"; 693 case CX2341X_ENC_REFRESH_INPUT: 694 return "REFRESH_INPUT"; 695 case CX2341X_ENC_SET_COPYRIGHT: 696 return "SET_COPYRIGHT"; 697 case CX2341X_ENC_SET_EVENT_NOTIFICATION: 698 return "SET_EVENT_NOTIFICATION"; 699 case CX2341X_ENC_SET_NUM_VSYNC_LINES: 700 return "SET_NUM_VSYNC_LINES"; 701 case CX2341X_ENC_SET_PLACEHOLDER: 702 return "SET_PLACEHOLDER"; 703 case CX2341X_ENC_MUTE_VIDEO: 704 return "MUTE_VIDEO"; 705 case CX2341X_ENC_MUTE_AUDIO: 706 return "MUTE_AUDIO"; 707 case CX2341X_ENC_MISC: 708 return "MISC"; 709 default: 710 return "UNKNOWN"; 711 } 712 } 713 714 static int cx231xx_mbox_func(void *priv, u32 command, int in, int out, 715 u32 data[CX2341X_MBOX_MAX_DATA]) 716 { 717 struct cx231xx *dev = priv; 718 unsigned long timeout; 719 u32 value, flag, retval = 0; 720 int i; 721 722 dprintk(3, "%s: command(0x%X) = %s\n", __func__, command, 723 cmd_to_str(command)); 724 725 /* this may not be 100% safe if we can't read any memory location 726 without side effects */ 727 mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value); 728 if (value != 0x12345678) { 729 dprintk(3, "Firmware and/or mailbox pointer not initialized or corrupted, signature = 0x%x, cmd = %s\n", 730 value, cmd_to_str(command)); 731 return -EIO; 732 } 733 734 /* This read looks at 32 bits, but flag is only 8 bits. 735 * Seems we also bail if CMD or TIMEOUT bytes are set??? 736 */ 737 mc417_memory_read(dev, dev->cx23417_mailbox, &flag); 738 if (flag) { 739 dprintk(3, "ERROR: Mailbox appears to be in use (%x), cmd = %s\n", 740 flag, cmd_to_str(command)); 741 return -EBUSY; 742 } 743 744 flag |= 1; /* tell 'em we're working on it */ 745 mc417_memory_write(dev, dev->cx23417_mailbox, flag); 746 747 /* write command + args + fill remaining with zeros */ 748 /* command code */ 749 mc417_memory_write(dev, dev->cx23417_mailbox + 1, command); 750 mc417_memory_write(dev, dev->cx23417_mailbox + 3, 751 IVTV_API_STD_TIMEOUT); /* timeout */ 752 for (i = 0; i < in; i++) { 753 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]); 754 dprintk(3, "API Input %d = %d\n", i, data[i]); 755 } 756 for (; i < CX2341X_MBOX_MAX_DATA; i++) 757 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0); 758 759 flag |= 3; /* tell 'em we're done writing */ 760 mc417_memory_write(dev, dev->cx23417_mailbox, flag); 761 762 /* wait for firmware to handle the API command */ 763 timeout = jiffies + msecs_to_jiffies(10); 764 for (;;) { 765 mc417_memory_read(dev, dev->cx23417_mailbox, &flag); 766 if (0 != (flag & 4)) 767 break; 768 if (time_after(jiffies, timeout)) { 769 dprintk(3, "ERROR: API Mailbox timeout\n"); 770 return -EIO; 771 } 772 udelay(10); 773 } 774 775 /* read output values */ 776 for (i = 0; i < out; i++) { 777 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i); 778 dprintk(3, "API Output %d = %d\n", i, data[i]); 779 } 780 781 mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval); 782 dprintk(3, "API result = %d\n", retval); 783 784 flag = 0; 785 mc417_memory_write(dev, dev->cx23417_mailbox, flag); 786 787 return 0; 788 } 789 790 /* We don't need to call the API often, so using just one 791 * mailbox will probably suffice 792 */ 793 static int cx231xx_api_cmd(struct cx231xx *dev, u32 command, 794 u32 inputcnt, u32 outputcnt, ...) 795 { 796 u32 data[CX2341X_MBOX_MAX_DATA]; 797 va_list vargs; 798 int i, err; 799 800 dprintk(3, "%s() cmds = 0x%08x\n", __func__, command); 801 802 va_start(vargs, outputcnt); 803 for (i = 0; i < inputcnt; i++) 804 data[i] = va_arg(vargs, int); 805 806 err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data); 807 for (i = 0; i < outputcnt; i++) { 808 int *vptr = va_arg(vargs, int *); 809 *vptr = data[i]; 810 } 811 va_end(vargs); 812 813 return err; 814 } 815 816 817 static int cx231xx_find_mailbox(struct cx231xx *dev) 818 { 819 u32 signature[4] = { 820 0x12345678, 0x34567812, 0x56781234, 0x78123456 821 }; 822 int signaturecnt = 0; 823 u32 value; 824 int i; 825 int ret = 0; 826 827 dprintk(2, "%s()\n", __func__); 828 829 for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/ 830 ret = mc417_memory_read(dev, i, &value); 831 if (ret < 0) 832 return ret; 833 if (value == signature[signaturecnt]) 834 signaturecnt++; 835 else 836 signaturecnt = 0; 837 if (4 == signaturecnt) { 838 dprintk(1, "Mailbox signature found at 0x%x\n", i + 1); 839 return i + 1; 840 } 841 } 842 dprintk(3, "Mailbox signature values not found!\n"); 843 return -EIO; 844 } 845 846 static void mci_write_memory_to_gpio(struct cx231xx *dev, u32 address, u32 value, 847 u32 *p_fw_image) 848 { 849 u32 temp = 0; 850 int i = 0; 851 852 temp = 0x82 | MCI_MEMORY_DATA_BYTE0 | ((value & 0x000000FF) << 8); 853 temp = temp << 10; 854 *p_fw_image = temp; 855 p_fw_image++; 856 temp = temp | (0x05 << 10); 857 *p_fw_image = temp; 858 p_fw_image++; 859 860 /*write data byte 1;*/ 861 temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00); 862 temp = temp << 10; 863 *p_fw_image = temp; 864 p_fw_image++; 865 temp = temp | (0x05 << 10); 866 *p_fw_image = temp; 867 p_fw_image++; 868 869 /*write data byte 2;*/ 870 temp = 0x82 | MCI_MEMORY_DATA_BYTE2 | ((value & 0x00FF0000) >> 8); 871 temp = temp << 10; 872 *p_fw_image = temp; 873 p_fw_image++; 874 temp = temp | (0x05 << 10); 875 *p_fw_image = temp; 876 p_fw_image++; 877 878 /*write data byte 3;*/ 879 temp = 0x82 | MCI_MEMORY_DATA_BYTE3 | ((value & 0xFF000000) >> 16); 880 temp = temp << 10; 881 *p_fw_image = temp; 882 p_fw_image++; 883 temp = temp | (0x05 << 10); 884 *p_fw_image = temp; 885 p_fw_image++; 886 887 /* write address byte 2;*/ 888 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE | 889 ((address & 0x003F0000) >> 8); 890 temp = temp << 10; 891 *p_fw_image = temp; 892 p_fw_image++; 893 temp = temp | (0x05 << 10); 894 *p_fw_image = temp; 895 p_fw_image++; 896 897 /* write address byte 1;*/ 898 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00); 899 temp = temp << 10; 900 *p_fw_image = temp; 901 p_fw_image++; 902 temp = temp | (0x05 << 10); 903 *p_fw_image = temp; 904 p_fw_image++; 905 906 /* write address byte 0;*/ 907 temp = 0x82 | MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF) << 8); 908 temp = temp << 10; 909 *p_fw_image = temp; 910 p_fw_image++; 911 temp = temp | (0x05 << 10); 912 *p_fw_image = temp; 913 p_fw_image++; 914 915 for (i = 0; i < 6; i++) { 916 *p_fw_image = 0xFFFFFFFF; 917 p_fw_image++; 918 } 919 } 920 921 922 static int cx231xx_load_firmware(struct cx231xx *dev) 923 { 924 static const unsigned char magic[8] = { 925 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa 926 }; 927 const struct firmware *firmware; 928 int i, retval = 0; 929 u32 value = 0; 930 u32 gpio_output = 0; 931 /*u32 checksum = 0;*/ 932 /*u32 *dataptr;*/ 933 u32 transfer_size = 0; 934 u32 fw_data = 0; 935 u32 address = 0; 936 /*u32 current_fw[800];*/ 937 u32 *p_current_fw, *p_fw; 938 u32 *p_fw_data; 939 int frame = 0; 940 u16 _buffer_size = 4096; 941 u8 *p_buffer; 942 943 p_current_fw = vmalloc(1884180 * 4); 944 p_fw = p_current_fw; 945 if (p_current_fw == NULL) { 946 dprintk(2, "FAIL!!!\n"); 947 return -ENOMEM; 948 } 949 950 p_buffer = vmalloc(4096); 951 if (p_buffer == NULL) { 952 dprintk(2, "FAIL!!!\n"); 953 vfree(p_current_fw); 954 return -ENOMEM; 955 } 956 957 dprintk(2, "%s()\n", __func__); 958 959 /* Save GPIO settings before reset of APU */ 960 retval |= mc417_memory_read(dev, 0x9020, &gpio_output); 961 retval |= mc417_memory_read(dev, 0x900C, &value); 962 963 retval = mc417_register_write(dev, 964 IVTV_REG_VPU, 0xFFFFFFED); 965 retval |= mc417_register_write(dev, 966 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST); 967 retval |= mc417_register_write(dev, 968 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800); 969 retval |= mc417_register_write(dev, 970 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A); 971 retval |= mc417_register_write(dev, 972 IVTV_REG_APU, 0); 973 974 if (retval != 0) { 975 dev_err(dev->dev, 976 "%s: Error with mc417_register_write\n", __func__); 977 vfree(p_current_fw); 978 vfree(p_buffer); 979 return retval; 980 } 981 982 retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME, 983 dev->dev); 984 985 if (retval != 0) { 986 dev_err(dev->dev, 987 "ERROR: Hotplug firmware request failed (%s).\n", 988 CX231xx_FIRM_IMAGE_NAME); 989 dev_err(dev->dev, 990 "Please fix your hotplug setup, the board will not work without firmware loaded!\n"); 991 vfree(p_current_fw); 992 vfree(p_buffer); 993 return retval; 994 } 995 996 if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) { 997 dev_err(dev->dev, 998 "ERROR: Firmware size mismatch (have %zd, expected %d)\n", 999 firmware->size, CX231xx_FIRM_IMAGE_SIZE); 1000 release_firmware(firmware); 1001 vfree(p_current_fw); 1002 vfree(p_buffer); 1003 return -EINVAL; 1004 } 1005 1006 if (0 != memcmp(firmware->data, magic, 8)) { 1007 dev_err(dev->dev, 1008 "ERROR: Firmware magic mismatch, wrong file?\n"); 1009 release_firmware(firmware); 1010 vfree(p_current_fw); 1011 vfree(p_buffer); 1012 return -EINVAL; 1013 } 1014 1015 initGPIO(dev); 1016 1017 /* transfer to the chip */ 1018 dprintk(2, "Loading firmware to GPIO...\n"); 1019 p_fw_data = (u32 *)firmware->data; 1020 dprintk(2, "firmware->size=%zd\n", firmware->size); 1021 for (transfer_size = 0; transfer_size < firmware->size; 1022 transfer_size += 4) { 1023 fw_data = *p_fw_data; 1024 1025 mci_write_memory_to_gpio(dev, address, fw_data, p_current_fw); 1026 address = address + 1; 1027 p_current_fw += 20; 1028 p_fw_data += 1; 1029 } 1030 1031 /*download the firmware by ep5-out*/ 1032 1033 for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size); 1034 frame++) { 1035 for (i = 0; i < _buffer_size; i++) { 1036 *(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF); 1037 i++; 1038 *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8); 1039 i++; 1040 *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16); 1041 i++; 1042 *(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24); 1043 } 1044 cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size); 1045 } 1046 1047 p_current_fw = p_fw; 1048 vfree(p_current_fw); 1049 p_current_fw = NULL; 1050 vfree(p_buffer); 1051 uninitGPIO(dev); 1052 release_firmware(firmware); 1053 dprintk(1, "Firmware upload successful.\n"); 1054 1055 retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS, 1056 IVTV_CMD_HW_BLOCKS_RST); 1057 if (retval < 0) { 1058 dev_err(dev->dev, 1059 "%s: Error with mc417_register_write\n", 1060 __func__); 1061 return retval; 1062 } 1063 /* F/W power up disturbs the GPIOs, restore state */ 1064 retval |= mc417_register_write(dev, 0x9020, gpio_output); 1065 retval |= mc417_register_write(dev, 0x900C, value); 1066 1067 retval |= mc417_register_read(dev, IVTV_REG_VPU, &value); 1068 retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8); 1069 1070 if (retval < 0) { 1071 dev_err(dev->dev, 1072 "%s: Error with mc417_register_write\n", 1073 __func__); 1074 return retval; 1075 } 1076 return 0; 1077 } 1078 1079 static void cx231xx_codec_settings(struct cx231xx *dev) 1080 { 1081 dprintk(1, "%s()\n", __func__); 1082 1083 /* assign frame size */ 1084 cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, 1085 dev->ts1.height, dev->ts1.width); 1086 1087 dev->mpeg_ctrl_handler.width = dev->ts1.width; 1088 dev->mpeg_ctrl_handler.height = dev->ts1.height; 1089 1090 cx2341x_handler_setup(&dev->mpeg_ctrl_handler); 1091 1092 cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1); 1093 cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1); 1094 } 1095 1096 static int cx231xx_initialize_codec(struct cx231xx *dev) 1097 { 1098 int version; 1099 int retval; 1100 u32 i; 1101 u32 val = 0; 1102 1103 dprintk(1, "%s()\n", __func__); 1104 cx231xx_disable656(dev); 1105 retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */ 1106 if (retval < 0) { 1107 dprintk(2, "%s: PING OK\n", __func__); 1108 retval = cx231xx_load_firmware(dev); 1109 if (retval < 0) { 1110 dev_err(dev->dev, 1111 "%s: f/w load failed\n", __func__); 1112 return retval; 1113 } 1114 retval = cx231xx_find_mailbox(dev); 1115 if (retval < 0) { 1116 dev_err(dev->dev, "%s: mailbox < 0, error\n", 1117 __func__); 1118 return retval; 1119 } 1120 dev->cx23417_mailbox = retval; 1121 retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); 1122 if (retval < 0) { 1123 dev_err(dev->dev, 1124 "ERROR: cx23417 firmware ping failed!\n"); 1125 return retval; 1126 } 1127 retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, 1128 &version); 1129 if (retval < 0) { 1130 dev_err(dev->dev, 1131 "ERROR: cx23417 firmware get encoder: version failed!\n"); 1132 return retval; 1133 } 1134 dprintk(1, "cx23417 firmware version is 0x%08x\n", version); 1135 msleep(200); 1136 } 1137 1138 for (i = 0; i < 1; i++) { 1139 retval = mc417_register_read(dev, 0x20f8, &val); 1140 dprintk(3, "***before enable656() VIM Capture Lines = %d ***\n", 1141 val); 1142 if (retval < 0) 1143 return retval; 1144 } 1145 1146 cx231xx_enable656(dev); 1147 1148 /* stop mpeg capture */ 1149 cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 1, 3, 4); 1150 1151 cx231xx_codec_settings(dev); 1152 msleep(60); 1153 1154 /* cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0, 1155 CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115); 1156 cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0, 1157 CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1158 0, 0); 1159 */ 1160 1161 #if 0 1162 /* TODO */ 1163 u32 data[7]; 1164 1165 /* Setup to capture VBI */ 1166 data[0] = 0x0001BD00; 1167 data[1] = 1; /* frames per interrupt */ 1168 data[2] = 4; /* total bufs */ 1169 data[3] = 0x91559155; /* start codes */ 1170 data[4] = 0x206080C0; /* stop codes */ 1171 data[5] = 6; /* lines */ 1172 data[6] = 64; /* BPL */ 1173 1174 cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1], 1175 data[2], data[3], data[4], data[5], data[6]); 1176 1177 for (i = 2; i <= 24; i++) { 1178 int valid; 1179 1180 valid = ((i >= 19) && (i <= 21)); 1181 cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i, 1182 valid, 0 , 0, 0); 1183 cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, 1184 i | 0x80000000, valid, 0, 0, 0); 1185 } 1186 #endif 1187 /* cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE); 1188 msleep(60); 1189 */ 1190 /* initialize the video input */ 1191 retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0); 1192 if (retval < 0) 1193 return retval; 1194 msleep(60); 1195 1196 /* Enable VIP style pixel invalidation so we work with scaled mode */ 1197 mc417_memory_write(dev, 2120, 0x00000080); 1198 1199 /* start capturing to the host interface */ 1200 retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 1201 CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE); 1202 if (retval < 0) 1203 return retval; 1204 msleep(10); 1205 1206 for (i = 0; i < 1; i++) { 1207 mc417_register_read(dev, 0x20f8, &val); 1208 dprintk(3, "***VIM Capture Lines =%d ***\n", val); 1209 } 1210 1211 return 0; 1212 } 1213 1214 /* ------------------------------------------------------------------ */ 1215 1216 static int queue_setup(struct vb2_queue *vq, 1217 unsigned int *nbuffers, unsigned int *nplanes, 1218 unsigned int sizes[], struct device *alloc_devs[]) 1219 { 1220 struct cx231xx *dev = vb2_get_drv_priv(vq); 1221 unsigned int size = mpeglinesize * mpeglines; 1222 1223 dev->ts1.ts_packet_size = mpeglinesize; 1224 dev->ts1.ts_packet_count = mpeglines; 1225 1226 if (vq->num_buffers + *nbuffers < CX231XX_MIN_BUF) 1227 *nbuffers = CX231XX_MIN_BUF - vq->num_buffers; 1228 1229 if (*nplanes) 1230 return sizes[0] < size ? -EINVAL : 0; 1231 *nplanes = 1; 1232 sizes[0] = mpeglinesize * mpeglines; 1233 1234 return 0; 1235 } 1236 1237 static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb, 1238 struct cx231xx_dmaqueue *dma_q) 1239 { 1240 void *vbuf; 1241 struct cx231xx_buffer *buf; 1242 u32 tail_data = 0; 1243 char *p_data; 1244 1245 if (dma_q->mpeg_buffer_done == 0) { 1246 if (list_empty(&dma_q->active)) 1247 return; 1248 1249 buf = list_entry(dma_q->active.next, 1250 struct cx231xx_buffer, list); 1251 dev->video_mode.isoc_ctl.buf = buf; 1252 dma_q->mpeg_buffer_done = 1; 1253 } 1254 /* Fill buffer */ 1255 buf = dev->video_mode.isoc_ctl.buf; 1256 vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); 1257 1258 if ((dma_q->mpeg_buffer_completed+len) < 1259 mpeglines*mpeglinesize) { 1260 if (dma_q->add_ps_package_head == 1261 CX231XX_NEED_ADD_PS_PACKAGE_HEAD) { 1262 memcpy(vbuf+dma_q->mpeg_buffer_completed, 1263 dma_q->ps_head, 3); 1264 dma_q->mpeg_buffer_completed = 1265 dma_q->mpeg_buffer_completed + 3; 1266 dma_q->add_ps_package_head = 1267 CX231XX_NONEED_PS_PACKAGE_HEAD; 1268 } 1269 memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len); 1270 dma_q->mpeg_buffer_completed = 1271 dma_q->mpeg_buffer_completed + len; 1272 } else { 1273 dma_q->mpeg_buffer_done = 0; 1274 1275 tail_data = 1276 mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed; 1277 memcpy(vbuf+dma_q->mpeg_buffer_completed, 1278 data, tail_data); 1279 1280 buf->vb.vb2_buf.timestamp = ktime_get_ns(); 1281 buf->vb.sequence = dma_q->sequence++; 1282 list_del(&buf->list); 1283 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 1284 dma_q->mpeg_buffer_completed = 0; 1285 1286 if (len - tail_data > 0) { 1287 p_data = data + tail_data; 1288 dma_q->left_data_count = len - tail_data; 1289 memcpy(dma_q->p_left_data, 1290 p_data, len - tail_data); 1291 } 1292 } 1293 } 1294 1295 static void buffer_filled(char *data, int len, struct urb *urb, 1296 struct cx231xx_dmaqueue *dma_q) 1297 { 1298 void *vbuf; 1299 struct cx231xx_buffer *buf; 1300 1301 if (list_empty(&dma_q->active)) 1302 return; 1303 1304 buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list); 1305 1306 /* Fill buffer */ 1307 vbuf = vb2_plane_vaddr(&buf->vb.vb2_buf, 0); 1308 memcpy(vbuf, data, len); 1309 buf->vb.sequence = dma_q->sequence++; 1310 buf->vb.vb2_buf.timestamp = ktime_get_ns(); 1311 list_del(&buf->list); 1312 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); 1313 } 1314 1315 static int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb) 1316 { 1317 struct cx231xx_dmaqueue *dma_q = urb->context; 1318 unsigned char *p_buffer; 1319 u32 buffer_size = 0; 1320 u32 i = 0; 1321 1322 for (i = 0; i < urb->number_of_packets; i++) { 1323 if (dma_q->left_data_count > 0) { 1324 buffer_copy(dev, dma_q->p_left_data, 1325 dma_q->left_data_count, urb, dma_q); 1326 dma_q->mpeg_buffer_completed = dma_q->left_data_count; 1327 dma_q->left_data_count = 0; 1328 } 1329 1330 p_buffer = urb->transfer_buffer + 1331 urb->iso_frame_desc[i].offset; 1332 buffer_size = urb->iso_frame_desc[i].actual_length; 1333 1334 if (buffer_size > 0) 1335 buffer_copy(dev, p_buffer, buffer_size, urb, dma_q); 1336 } 1337 1338 return 0; 1339 } 1340 1341 static int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb) 1342 { 1343 struct cx231xx_dmaqueue *dma_q = urb->context; 1344 unsigned char *p_buffer, *buffer; 1345 u32 buffer_size = 0; 1346 1347 p_buffer = urb->transfer_buffer; 1348 buffer_size = urb->actual_length; 1349 1350 buffer = kmalloc(buffer_size, GFP_ATOMIC); 1351 if (!buffer) 1352 return -ENOMEM; 1353 1354 memcpy(buffer, dma_q->ps_head, 3); 1355 memcpy(buffer+3, p_buffer, buffer_size-3); 1356 memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3); 1357 1358 p_buffer = buffer; 1359 buffer_filled(p_buffer, buffer_size, urb, dma_q); 1360 1361 kfree(buffer); 1362 return 0; 1363 } 1364 1365 static void buffer_queue(struct vb2_buffer *vb) 1366 { 1367 struct cx231xx_buffer *buf = 1368 container_of(vb, struct cx231xx_buffer, vb.vb2_buf); 1369 struct cx231xx *dev = vb2_get_drv_priv(vb->vb2_queue); 1370 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; 1371 unsigned long flags; 1372 1373 spin_lock_irqsave(&dev->video_mode.slock, flags); 1374 list_add_tail(&buf->list, &vidq->active); 1375 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 1376 } 1377 1378 static void return_all_buffers(struct cx231xx *dev, 1379 enum vb2_buffer_state state) 1380 { 1381 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; 1382 struct cx231xx_buffer *buf, *node; 1383 unsigned long flags; 1384 1385 spin_lock_irqsave(&dev->video_mode.slock, flags); 1386 list_for_each_entry_safe(buf, node, &vidq->active, list) { 1387 vb2_buffer_done(&buf->vb.vb2_buf, state); 1388 list_del(&buf->list); 1389 } 1390 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 1391 } 1392 1393 static int start_streaming(struct vb2_queue *vq, unsigned int count) 1394 { 1395 struct cx231xx *dev = vb2_get_drv_priv(vq); 1396 struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq; 1397 int ret = 0; 1398 1399 vidq->sequence = 0; 1400 dev->mode_tv = 1; 1401 1402 cx231xx_set_alt_setting(dev, INDEX_VANC, 1); 1403 cx231xx_set_gpio_value(dev, 2, 0); 1404 1405 cx231xx_initialize_codec(dev); 1406 1407 cx231xx_start_TS1(dev); 1408 1409 cx231xx_set_alt_setting(dev, INDEX_TS1, 0); 1410 cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); 1411 if (dev->USE_ISO) 1412 ret = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS, 1413 CX231XX_NUM_BUFS, 1414 dev->ts1_mode.max_pkt_size, 1415 cx231xx_isoc_copy); 1416 else 1417 ret = cx231xx_init_bulk(dev, 320, 5, 1418 dev->ts1_mode.max_pkt_size, 1419 cx231xx_bulk_copy); 1420 if (ret) 1421 return_all_buffers(dev, VB2_BUF_STATE_QUEUED); 1422 1423 call_all(dev, video, s_stream, 1); 1424 return ret; 1425 } 1426 1427 static void stop_streaming(struct vb2_queue *vq) 1428 { 1429 struct cx231xx *dev = vb2_get_drv_priv(vq); 1430 unsigned long flags; 1431 1432 call_all(dev, video, s_stream, 0); 1433 1434 cx231xx_stop_TS1(dev); 1435 1436 /* do this before setting alternate! */ 1437 if (dev->USE_ISO) 1438 cx231xx_uninit_isoc(dev); 1439 else 1440 cx231xx_uninit_bulk(dev); 1441 cx231xx_set_mode(dev, CX231XX_SUSPEND); 1442 1443 cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, 1444 CX231xx_END_NOW, CX231xx_MPEG_CAPTURE, 1445 CX231xx_RAW_BITS_NONE); 1446 1447 spin_lock_irqsave(&dev->video_mode.slock, flags); 1448 if (dev->USE_ISO) 1449 dev->video_mode.isoc_ctl.buf = NULL; 1450 else 1451 dev->video_mode.bulk_ctl.buf = NULL; 1452 spin_unlock_irqrestore(&dev->video_mode.slock, flags); 1453 return_all_buffers(dev, VB2_BUF_STATE_ERROR); 1454 } 1455 1456 static struct vb2_ops cx231xx_video_qops = { 1457 .queue_setup = queue_setup, 1458 .buf_queue = buffer_queue, 1459 .start_streaming = start_streaming, 1460 .stop_streaming = stop_streaming, 1461 .wait_prepare = vb2_ops_wait_prepare, 1462 .wait_finish = vb2_ops_wait_finish, 1463 }; 1464 1465 /* ------------------------------------------------------------------ */ 1466 1467 static int vidioc_g_pixelaspect(struct file *file, void *priv, 1468 int type, struct v4l2_fract *f) 1469 { 1470 struct cx231xx *dev = video_drvdata(file); 1471 bool is_50hz = dev->encodernorm.id & V4L2_STD_625_50; 1472 1473 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1474 return -EINVAL; 1475 1476 f->numerator = is_50hz ? 54 : 11; 1477 f->denominator = is_50hz ? 59 : 10; 1478 1479 return 0; 1480 } 1481 1482 static int vidioc_g_selection(struct file *file, void *priv, 1483 struct v4l2_selection *s) 1484 { 1485 struct cx231xx *dev = video_drvdata(file); 1486 1487 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) 1488 return -EINVAL; 1489 1490 switch (s->target) { 1491 case V4L2_SEL_TGT_CROP_BOUNDS: 1492 case V4L2_SEL_TGT_CROP_DEFAULT: 1493 s->r.left = 0; 1494 s->r.top = 0; 1495 s->r.width = dev->ts1.width; 1496 s->r.height = dev->ts1.height; 1497 break; 1498 default: 1499 return -EINVAL; 1500 } 1501 return 0; 1502 } 1503 1504 static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm) 1505 { 1506 struct cx231xx *dev = video_drvdata(file); 1507 1508 *norm = dev->encodernorm.id; 1509 return 0; 1510 } 1511 1512 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) 1513 { 1514 struct cx231xx *dev = video_drvdata(file); 1515 unsigned int i; 1516 1517 for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++) 1518 if (id & cx231xx_tvnorms[i].id) 1519 break; 1520 if (i == ARRAY_SIZE(cx231xx_tvnorms)) 1521 return -EINVAL; 1522 dev->encodernorm = cx231xx_tvnorms[i]; 1523 1524 if (dev->encodernorm.id & 0xb000) { 1525 dprintk(3, "encodernorm set to NTSC\n"); 1526 dev->norm = V4L2_STD_NTSC; 1527 dev->ts1.height = 480; 1528 cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false); 1529 } else { 1530 dprintk(3, "encodernorm set to PAL\n"); 1531 dev->norm = V4L2_STD_PAL_B; 1532 dev->ts1.height = 576; 1533 cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, true); 1534 } 1535 call_all(dev, video, s_std, dev->norm); 1536 /* do mode control overrides */ 1537 cx231xx_do_mode_ctrl_overrides(dev); 1538 1539 dprintk(3, "exit vidioc_s_std() i=0x%x\n", i); 1540 return 0; 1541 } 1542 1543 static int vidioc_s_ctrl(struct file *file, void *priv, 1544 struct v4l2_control *ctl) 1545 { 1546 struct cx231xx *dev = video_drvdata(file); 1547 struct v4l2_subdev *sd; 1548 1549 dprintk(3, "enter vidioc_s_ctrl()\n"); 1550 /* Update the A/V core */ 1551 v4l2_device_for_each_subdev(sd, &dev->v4l2_dev) 1552 v4l2_s_ctrl(NULL, sd->ctrl_handler, ctl); 1553 dprintk(3, "exit vidioc_s_ctrl()\n"); 1554 return 0; 1555 } 1556 1557 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, 1558 struct v4l2_fmtdesc *f) 1559 { 1560 if (f->index != 0) 1561 return -EINVAL; 1562 1563 f->pixelformat = V4L2_PIX_FMT_MPEG; 1564 1565 return 0; 1566 } 1567 1568 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, 1569 struct v4l2_format *f) 1570 { 1571 struct cx231xx *dev = video_drvdata(file); 1572 1573 dprintk(3, "enter vidioc_g_fmt_vid_cap()\n"); 1574 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 1575 f->fmt.pix.bytesperline = 0; 1576 f->fmt.pix.sizeimage = mpeglines * mpeglinesize; 1577 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1578 f->fmt.pix.width = dev->ts1.width; 1579 f->fmt.pix.height = dev->ts1.height; 1580 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 1581 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d\n", 1582 dev->ts1.width, dev->ts1.height); 1583 dprintk(3, "exit vidioc_g_fmt_vid_cap()\n"); 1584 return 0; 1585 } 1586 1587 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, 1588 struct v4l2_format *f) 1589 { 1590 struct cx231xx *dev = video_drvdata(file); 1591 1592 dprintk(3, "enter vidioc_try_fmt_vid_cap()\n"); 1593 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; 1594 f->fmt.pix.bytesperline = 0; 1595 f->fmt.pix.sizeimage = mpeglines * mpeglinesize; 1596 f->fmt.pix.field = V4L2_FIELD_INTERLACED; 1597 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; 1598 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d\n", 1599 dev->ts1.width, dev->ts1.height); 1600 dprintk(3, "exit vidioc_try_fmt_vid_cap()\n"); 1601 return 0; 1602 } 1603 1604 static int vidioc_log_status(struct file *file, void *priv) 1605 { 1606 struct cx231xx *dev = video_drvdata(file); 1607 1608 call_all(dev, core, log_status); 1609 return v4l2_ctrl_log_status(file, priv); 1610 } 1611 1612 static const struct v4l2_file_operations mpeg_fops = { 1613 .owner = THIS_MODULE, 1614 .open = v4l2_fh_open, 1615 .release = vb2_fop_release, 1616 .read = vb2_fop_read, 1617 .poll = vb2_fop_poll, 1618 .mmap = vb2_fop_mmap, 1619 .unlocked_ioctl = video_ioctl2, 1620 }; 1621 1622 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { 1623 .vidioc_s_std = vidioc_s_std, 1624 .vidioc_g_std = vidioc_g_std, 1625 .vidioc_g_tuner = cx231xx_g_tuner, 1626 .vidioc_s_tuner = cx231xx_s_tuner, 1627 .vidioc_g_frequency = cx231xx_g_frequency, 1628 .vidioc_s_frequency = cx231xx_s_frequency, 1629 .vidioc_enum_input = cx231xx_enum_input, 1630 .vidioc_g_input = cx231xx_g_input, 1631 .vidioc_s_input = cx231xx_s_input, 1632 .vidioc_s_ctrl = vidioc_s_ctrl, 1633 .vidioc_g_pixelaspect = vidioc_g_pixelaspect, 1634 .vidioc_g_selection = vidioc_g_selection, 1635 .vidioc_querycap = cx231xx_querycap, 1636 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, 1637 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, 1638 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1639 .vidioc_s_fmt_vid_cap = vidioc_try_fmt_vid_cap, 1640 .vidioc_reqbufs = vb2_ioctl_reqbufs, 1641 .vidioc_querybuf = vb2_ioctl_querybuf, 1642 .vidioc_qbuf = vb2_ioctl_qbuf, 1643 .vidioc_dqbuf = vb2_ioctl_dqbuf, 1644 .vidioc_streamon = vb2_ioctl_streamon, 1645 .vidioc_streamoff = vb2_ioctl_streamoff, 1646 .vidioc_log_status = vidioc_log_status, 1647 #ifdef CONFIG_VIDEO_ADV_DEBUG 1648 .vidioc_g_register = cx231xx_g_register, 1649 .vidioc_s_register = cx231xx_s_register, 1650 #endif 1651 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, 1652 .vidioc_unsubscribe_event = v4l2_event_unsubscribe, 1653 }; 1654 1655 static struct video_device cx231xx_mpeg_template = { 1656 .name = "cx231xx", 1657 .fops = &mpeg_fops, 1658 .ioctl_ops = &mpeg_ioctl_ops, 1659 .minor = -1, 1660 .tvnorms = V4L2_STD_ALL, 1661 }; 1662 1663 void cx231xx_417_unregister(struct cx231xx *dev) 1664 { 1665 dprintk(1, "%s()\n", __func__); 1666 dprintk(3, "%s()\n", __func__); 1667 1668 if (video_is_registered(&dev->v4l_device)) { 1669 video_unregister_device(&dev->v4l_device); 1670 v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl); 1671 } 1672 } 1673 1674 static int cx231xx_s_video_encoding(struct cx2341x_handler *cxhdl, u32 val) 1675 { 1676 struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler); 1677 int is_mpeg1 = val == V4L2_MPEG_VIDEO_ENCODING_MPEG_1; 1678 struct v4l2_subdev_format format = { 1679 .which = V4L2_SUBDEV_FORMAT_ACTIVE, 1680 }; 1681 1682 /* fix videodecoder resolution */ 1683 format.format.width = cxhdl->width / (is_mpeg1 ? 2 : 1); 1684 format.format.height = cxhdl->height; 1685 format.format.code = MEDIA_BUS_FMT_FIXED; 1686 v4l2_subdev_call(dev->sd_cx25840, pad, set_fmt, NULL, &format); 1687 return 0; 1688 } 1689 1690 static int cx231xx_s_audio_sampling_freq(struct cx2341x_handler *cxhdl, u32 idx) 1691 { 1692 static const u32 freqs[3] = { 44100, 48000, 32000 }; 1693 struct cx231xx *dev = container_of(cxhdl, struct cx231xx, mpeg_ctrl_handler); 1694 1695 /* The audio clock of the digitizer must match the codec sample 1696 rate otherwise you get some very strange effects. */ 1697 if (idx < ARRAY_SIZE(freqs)) 1698 call_all(dev, audio, s_clock_freq, freqs[idx]); 1699 return 0; 1700 } 1701 1702 static const struct cx2341x_handler_ops cx231xx_ops = { 1703 /* needed for the video clock freq */ 1704 .s_audio_sampling_freq = cx231xx_s_audio_sampling_freq, 1705 /* needed for setting up the video resolution */ 1706 .s_video_encoding = cx231xx_s_video_encoding, 1707 }; 1708 1709 static void cx231xx_video_dev_init( 1710 struct cx231xx *dev, 1711 struct usb_device *usbdev, 1712 struct video_device *vfd, 1713 const struct video_device *template, 1714 const char *type) 1715 { 1716 dprintk(1, "%s()\n", __func__); 1717 *vfd = *template; 1718 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, 1719 type, cx231xx_boards[dev->model].name); 1720 1721 vfd->v4l2_dev = &dev->v4l2_dev; 1722 vfd->lock = &dev->lock; 1723 vfd->release = video_device_release_empty; 1724 vfd->ctrl_handler = &dev->mpeg_ctrl_handler.hdl; 1725 video_set_drvdata(vfd, dev); 1726 if (dev->tuner_type == TUNER_ABSENT) { 1727 v4l2_disable_ioctl(vfd, VIDIOC_G_FREQUENCY); 1728 v4l2_disable_ioctl(vfd, VIDIOC_S_FREQUENCY); 1729 v4l2_disable_ioctl(vfd, VIDIOC_G_TUNER); 1730 v4l2_disable_ioctl(vfd, VIDIOC_S_TUNER); 1731 } 1732 } 1733 1734 int cx231xx_417_register(struct cx231xx *dev) 1735 { 1736 /* FIXME: Port1 hardcoded here */ 1737 int err = -ENODEV; 1738 struct cx231xx_tsport *tsport = &dev->ts1; 1739 struct vb2_queue *q; 1740 1741 dprintk(1, "%s()\n", __func__); 1742 1743 /* Set default TV standard */ 1744 dev->encodernorm = cx231xx_tvnorms[0]; 1745 1746 if (dev->encodernorm.id & V4L2_STD_525_60) 1747 tsport->height = 480; 1748 else 1749 tsport->height = 576; 1750 1751 tsport->width = 720; 1752 err = cx2341x_handler_init(&dev->mpeg_ctrl_handler, 50); 1753 if (err) { 1754 dprintk(3, "%s: can't init cx2341x controls\n", dev->name); 1755 return err; 1756 } 1757 dev->mpeg_ctrl_handler.func = cx231xx_mbox_func; 1758 dev->mpeg_ctrl_handler.priv = dev; 1759 dev->mpeg_ctrl_handler.ops = &cx231xx_ops; 1760 if (dev->sd_cx25840) 1761 v4l2_ctrl_add_handler(&dev->mpeg_ctrl_handler.hdl, 1762 dev->sd_cx25840->ctrl_handler, NULL, false); 1763 if (dev->mpeg_ctrl_handler.hdl.error) { 1764 err = dev->mpeg_ctrl_handler.hdl.error; 1765 dprintk(3, "%s: can't add cx25840 controls\n", dev->name); 1766 v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl); 1767 return err; 1768 } 1769 dev->norm = V4L2_STD_NTSC; 1770 1771 dev->mpeg_ctrl_handler.port = CX2341X_PORT_SERIAL; 1772 cx2341x_handler_set_50hz(&dev->mpeg_ctrl_handler, false); 1773 1774 /* Allocate and initialize V4L video device */ 1775 cx231xx_video_dev_init(dev, dev->udev, 1776 &dev->v4l_device, &cx231xx_mpeg_template, "mpeg"); 1777 q = &dev->mpegq; 1778 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; 1779 q->io_modes = VB2_USERPTR | VB2_MMAP | VB2_DMABUF | VB2_READ; 1780 q->drv_priv = dev; 1781 q->buf_struct_size = sizeof(struct cx231xx_buffer); 1782 q->ops = &cx231xx_video_qops; 1783 q->mem_ops = &vb2_vmalloc_memops; 1784 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; 1785 q->min_buffers_needed = 1; 1786 q->lock = &dev->lock; 1787 err = vb2_queue_init(q); 1788 if (err) 1789 return err; 1790 dev->v4l_device.queue = q; 1791 1792 err = video_register_device(&dev->v4l_device, 1793 VFL_TYPE_VIDEO, -1); 1794 if (err < 0) { 1795 dprintk(3, "%s: can't register mpeg device\n", dev->name); 1796 v4l2_ctrl_handler_free(&dev->mpeg_ctrl_handler.hdl); 1797 return err; 1798 } 1799 1800 dprintk(3, "%s: registered device video%d [mpeg]\n", 1801 dev->name, dev->v4l_device.num); 1802 1803 return 0; 1804 } 1805 1806 MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME); 1807