1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices 4 * 5 * Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> 6 * Ludovico Cavedon <cavedon@sssup.it> 7 * Mauro Carvalho Chehab <mchehab@kernel.org> 8 * Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 9 * 10 * Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 */ 22 23 #ifndef _EM28XX_H 24 #define _EM28XX_H 25 26 #include <linux/bitfield.h> 27 28 #define EM28XX_VERSION "0.2.2" 29 #define DRIVER_DESC "Empia em28xx device driver" 30 31 #include <linux/workqueue.h> 32 #include <linux/i2c.h> 33 #include <linux/mutex.h> 34 #include <linux/kref.h> 35 #include <linux/videodev2.h> 36 37 #include <media/videobuf2-v4l2.h> 38 #include <media/videobuf2-vmalloc.h> 39 #include <media/v4l2-device.h> 40 #include <media/v4l2-ctrls.h> 41 #include <media/v4l2-fh.h> 42 #include <media/i2c/ir-kbd-i2c.h> 43 #include <media/rc-core.h> 44 #include "tuner-xc2028.h" 45 #include "xc5000.h" 46 #include "em28xx-reg.h" 47 48 /* Boards supported by driver */ 49 #define EM2800_BOARD_UNKNOWN 0 50 #define EM2820_BOARD_UNKNOWN 1 51 #define EM2820_BOARD_TERRATEC_CINERGY_250 2 52 #define EM2820_BOARD_PINNACLE_USB_2 3 53 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 54 #define EM2820_BOARD_MSI_VOX_USB_2 5 55 #define EM2800_BOARD_TERRATEC_CINERGY_200 6 56 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 57 #define EM2800_BOARD_KWORLD_USB2800 8 58 #define EM2820_BOARD_PINNACLE_DVC_90 9 59 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 60 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 61 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 62 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 63 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 64 #define EM2800_BOARD_VGEAR_POCKETTV 15 65 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 66 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 67 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 68 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 69 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 70 #define EM2800_BOARD_GRABBEEX_USB2800 21 71 #define EM2750_BOARD_UNKNOWN 22 72 #define EM2750_BOARD_DLCW_130 23 73 #define EM2820_BOARD_DLINK_USB_TV 24 74 #define EM2820_BOARD_GADMEI_UTV310 25 75 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 76 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 77 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 78 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 79 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 80 #define EM2821_BOARD_USBGEAR_VD204 31 81 #define EM2821_BOARD_SUPERCOMP_USB_2 32 82 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 83 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34 84 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35 85 #define EM2860_BOARD_NETGMBH_CAM 36 86 #define EM2860_BOARD_GADMEI_UTV330 37 87 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 88 #define EM2861_BOARD_KWORLD_PVRTV_300U 39 89 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40 90 #define EM2870_BOARD_KWORLD_350U 41 91 #define EM2870_BOARD_KWORLD_355U 42 92 #define EM2870_BOARD_TERRATEC_XS 43 93 #define EM2870_BOARD_TERRATEC_XS_MT2060 44 94 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45 95 #define EM2870_BOARD_COMPRO_VIDEOMATE 46 96 #define EM2880_BOARD_KWORLD_DVB_305U 47 97 #define EM2880_BOARD_KWORLD_DVB_310U 48 98 #define EM2880_BOARD_MSI_DIGIVOX_AD 49 99 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 100 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 101 #define EM2881_BOARD_DNT_DA2_HYBRID 52 102 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 103 #define EM2882_BOARD_KWORLD_VS_DVBT 54 104 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 105 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 106 #define EM2883_BOARD_KWORLD_HYBRID_330U 57 107 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 108 #define EM2874_BOARD_PCTV_HD_MINI_80E 59 109 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 110 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 111 #define EM2820_BOARD_GADMEI_TVR200 62 112 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63 113 #define EM2860_BOARD_EASYCAP 64 114 #define EM2820_BOARD_IODATA_GVMVP_SZ 65 115 #define EM2880_BOARD_EMPIRE_DUAL_TV 66 116 #define EM2860_BOARD_TERRATEC_GRABBY 67 117 #define EM2860_BOARD_TERRATEC_AV350 68 118 #define EM2882_BOARD_KWORLD_ATSC_315U 69 119 #define EM2882_BOARD_EVGA_INDTUBE 70 120 #define EM2820_BOARD_SILVERCREST_WEBCAM 71 121 #define EM2861_BOARD_GADMEI_UTV330PLUS 72 122 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 123 #define EM2800_BOARD_VC211A 74 124 #define EM2882_BOARD_DIKOM_DK300 75 125 #define EM2870_BOARD_KWORLD_A340 76 126 #define EM2874_BOARD_LEADERSHIP_ISDBT 77 127 #define EM28174_BOARD_PCTV_290E 78 128 #define EM2884_BOARD_TERRATEC_H5 79 129 #define EM28174_BOARD_PCTV_460E 80 130 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 131 #define EM2884_BOARD_CINERGY_HTC_STICK 82 132 #define EM2860_BOARD_HT_VIDBOX_NW03 83 133 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 134 #define EM2884_BOARD_PCTV_510E 85 135 #define EM2884_BOARD_PCTV_520E 86 136 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 137 #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 138 #define EM2874_BOARD_DELOCK_61959 89 139 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 140 #define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 141 #define EM28178_BOARD_PCTV_461E 92 142 #define EM2874_BOARD_KWORLD_UB435Q_V3 93 143 #define EM28178_BOARD_PCTV_292E 94 144 #define EM2861_BOARD_LEADTEK_VC100 95 145 #define EM28178_BOARD_TERRATEC_T2_STICK_HD 96 146 #define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97 147 #define EM28178_BOARD_PLEX_PX_BCUD 98 148 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 149 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 150 #define EM2884_BOARD_TERRATEC_H6 101 151 #define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102 152 153 /* Limits minimum and default number of buffers */ 154 #define EM28XX_MIN_BUF 4 155 #define EM28XX_DEF_BUF 8 156 157 /*Limits the max URB message size */ 158 #define URB_MAX_CTRL_SIZE 80 159 160 /* Params for validated field */ 161 #define EM28XX_BOARD_NOT_VALIDATED 1 162 #define EM28XX_BOARD_VALIDATED 0 163 164 /* Params for em28xx_cmd() audio */ 165 #define EM28XX_START_AUDIO 1 166 #define EM28XX_STOP_AUDIO 0 167 168 /* maximum number of em28xx boards */ 169 #define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS /* All adapters could be em28xx */ 170 171 /* maximum number of frames that can be queued */ 172 #define EM28XX_NUM_FRAMES 5 173 /* number of frames that get used for v4l2_read() */ 174 #define EM28XX_NUM_READ_FRAMES 2 175 176 /* number of buffers for isoc transfers */ 177 #define EM28XX_NUM_BUFS 5 178 #define EM28XX_DVB_NUM_BUFS 5 179 180 /* max number of I2C buses on em28xx devices */ 181 #define NUM_I2C_BUSES 2 182 183 /* 184 * isoc transfers: number of packets for each buffer 185 * windows requests only 64 packets .. so we better do the same 186 * this is what I found out for all alternate numbers there! 187 */ 188 #define EM28XX_NUM_ISOC_PACKETS 64 189 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 190 191 /* 192 * bulk transfers: transfer buffer size = packet size * packet multiplier 193 * USB 2.0 spec says bulk packet size is always 512 bytes 194 */ 195 #define EM28XX_BULK_PACKET_MULTIPLIER 384 196 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94 197 198 #define EM28XX_INTERLACED_DEFAULT 1 199 200 /* time in msecs to wait for AC97 xfers to finish */ 201 #define EM28XX_AC97_XFER_TIMEOUT 100 202 203 /* max. number of button state polling addresses */ 204 #define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 205 206 #define PRIMARY_TS 0 207 #define SECONDARY_TS 1 208 209 enum em28xx_mode { 210 EM28XX_SUSPEND, 211 EM28XX_ANALOG_MODE, 212 EM28XX_DIGITAL_MODE, 213 }; 214 215 struct em28xx; 216 217 /** 218 * struct em28xx_usb_bufs - Contains URB-related buffer data 219 * 220 * @max_pkt_size: max packet size of isoc transaction 221 * @num_packets: number of packets in each buffer 222 * @num_bufs: number of allocated urb 223 * @urb: urb for isoc/bulk transfers 224 * @buf: transfer buffers for isoc/bulk transfer 225 */ 226 struct em28xx_usb_bufs { 227 int max_pkt_size; 228 int num_packets; 229 int num_bufs; 230 struct urb **urb; 231 char **buf; 232 }; 233 234 /** 235 * struct em28xx_usb_ctl - Contains URB-related buffer data 236 * 237 * @analog_bufs: isoc/bulk transfer buffers for analog mode 238 * @digital_bufs: isoc/bulk transfer buffers for digital mode 239 * @vid_buf: Stores already requested video buffers 240 * @vbi_buf: Stores already requested VBI buffers 241 * @urb_data_copy: copy data from URB 242 */ 243 struct em28xx_usb_ctl { 244 struct em28xx_usb_bufs analog_bufs; 245 struct em28xx_usb_bufs digital_bufs; 246 struct em28xx_buffer *vid_buf; 247 struct em28xx_buffer *vbi_buf; 248 int (*urb_data_copy)(struct em28xx *dev, struct urb *urb); 249 }; 250 251 /** 252 * struct em28xx_fmt - Struct to enumberate video formats 253 * 254 * @name: Name for the video standard 255 * @fourcc: v4l2 format id 256 * @depth: mean number of bits to represent a pixel 257 * @reg: em28xx register value to set it 258 */ 259 struct em28xx_fmt { 260 char *name; 261 u32 fourcc; 262 int depth; 263 int reg; 264 }; 265 266 /** 267 * struct em28xx_buffer- buffer for storing one video frame 268 * 269 * @vb: common v4l buffer stuff 270 * @list: List to associate it with the other buffers 271 * @mem: pointer to the buffer, as returned by vb2_plane_vaddr() 272 * @length: length of the buffer, as returned by vb2_plane_size() 273 * @top_field: If non-zero, indicate that the buffer is the top field 274 * @pos: Indicate the next position of the buffer to be filled. 275 * @vb_buf: pointer to vmalloc memory address in vb 276 * 277 * .. note:: 278 * 279 * in interlaced mode, @pos is reset to zero at the start of each new 280 * field (not frame !) 281 */ 282 struct em28xx_buffer { 283 struct vb2_v4l2_buffer vb; /* must be first */ 284 285 struct list_head list; 286 287 void *mem; 288 unsigned int length; 289 int top_field; 290 291 unsigned int pos; 292 293 char *vb_buf; 294 }; 295 296 struct em28xx_dmaqueue { 297 struct list_head active; 298 299 wait_queue_head_t wq; 300 }; 301 302 /* inputs */ 303 304 #define MAX_EM28XX_INPUT 4 305 enum enum28xx_itype { 306 EM28XX_VMUX_COMPOSITE = 1, 307 EM28XX_VMUX_SVIDEO, 308 EM28XX_VMUX_TELEVISION, 309 EM28XX_RADIO, 310 }; 311 312 enum em28xx_ac97_mode { 313 EM28XX_NO_AC97 = 0, 314 EM28XX_AC97_EM202, 315 EM28XX_AC97_SIGMATEL, 316 EM28XX_AC97_OTHER, 317 }; 318 319 struct em28xx_audio_mode { 320 enum em28xx_ac97_mode ac97; 321 }; 322 323 enum em28xx_int_audio_type { 324 EM28XX_INT_AUDIO_NONE = 0, 325 EM28XX_INT_AUDIO_AC97, 326 EM28XX_INT_AUDIO_I2S, 327 }; 328 329 enum em28xx_usb_audio_type { 330 EM28XX_USB_AUDIO_NONE = 0, 331 EM28XX_USB_AUDIO_CLASS, 332 EM28XX_USB_AUDIO_VENDOR, 333 }; 334 335 /** 336 * em28xx_amux - describes the type of audio input used by em28xx 337 * 338 * @EM28XX_AMUX_VIDEO: 339 * On devices without AC97, this is the only value that it is currently 340 * allowed. 341 * On devices with AC97, it corresponds to the AC97 mixer "Video" control. 342 * @EM28XX_AMUX_LINE_IN: 343 * Only for devices with AC97. Corresponds to AC97 mixer "Line In". 344 * @EM28XX_AMUX_VIDEO2: 345 * Only for devices with AC97. It means that em28xx should use "Line In" 346 * And AC97 should use the "Video" mixer control. 347 * @EM28XX_AMUX_PHONE: 348 * Only for devices with AC97. Corresponds to AC97 mixer "Phone". 349 * @EM28XX_AMUX_MIC: 350 * Only for devices with AC97. Corresponds to AC97 mixer "Mic". 351 * @EM28XX_AMUX_CD: 352 * Only for devices with AC97. Corresponds to AC97 mixer "CD". 353 * @EM28XX_AMUX_AUX: 354 * Only for devices with AC97. Corresponds to AC97 mixer "Aux". 355 * @EM28XX_AMUX_PCM_OUT: 356 * Only for devices with AC97. Corresponds to AC97 mixer "PCM out". 357 * 358 * The em28xx chip itself has only two audio inputs: tuner and line in. 359 * On almost all devices, only the tuner input is used. 360 * 361 * However, on most devices, an auxiliary AC97 codec device is used, 362 * usually connected to the em28xx tuner input (except for 363 * @EM28XX_AMUX_LINE_IN). 364 * 365 * The AC97 device typically have several different inputs and outputs. 366 * The exact number and description depends on their model. 367 * 368 * It is possible to AC97 to mixer more than one different entries at the 369 * same time, via the alsa mux. 370 */ 371 enum em28xx_amux { 372 EM28XX_AMUX_VIDEO, 373 EM28XX_AMUX_LINE_IN, 374 375 /* Some less-common mixer setups */ 376 EM28XX_AMUX_VIDEO2, 377 EM28XX_AMUX_PHONE, 378 EM28XX_AMUX_MIC, 379 EM28XX_AMUX_CD, 380 EM28XX_AMUX_AUX, 381 EM28XX_AMUX_PCM_OUT, 382 }; 383 384 enum em28xx_aout { 385 /* AC97 outputs */ 386 EM28XX_AOUT_MASTER = BIT(0), 387 EM28XX_AOUT_LINE = BIT(1), 388 EM28XX_AOUT_MONO = BIT(2), 389 EM28XX_AOUT_LFE = BIT(3), 390 EM28XX_AOUT_SURR = BIT(4), 391 392 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ 393 EM28XX_AOUT_PCM_IN = BIT(7), 394 395 /* Bits 10-8 are used to indicate the PCM IN record select */ 396 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, 397 EM28XX_AOUT_PCM_CD = 1 << 8, 398 EM28XX_AOUT_PCM_VIDEO = 2 << 8, 399 EM28XX_AOUT_PCM_AUX = 3 << 8, 400 EM28XX_AOUT_PCM_LINE = 4 << 8, 401 EM28XX_AOUT_PCM_STEREO = 5 << 8, 402 EM28XX_AOUT_PCM_MONO = 6 << 8, 403 EM28XX_AOUT_PCM_PHONE = 7 << 8, 404 }; 405 406 static inline int ac97_return_record_select(int a_out) 407 { 408 return (a_out & 0x700) >> 8; 409 } 410 411 struct em28xx_reg_seq { 412 int reg; 413 unsigned char val, mask; 414 int sleep; 415 }; 416 417 struct em28xx_input { 418 enum enum28xx_itype type; 419 unsigned int vmux; 420 enum em28xx_amux amux; 421 enum em28xx_aout aout; 422 const struct em28xx_reg_seq *gpio; 423 }; 424 425 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) 426 427 enum em28xx_decoder { 428 EM28XX_NODECODER = 0, 429 EM28XX_TVP5150, 430 EM28XX_SAA711X, 431 }; 432 433 enum em28xx_sensor { 434 EM28XX_NOSENSOR = 0, 435 EM28XX_MT9V011, 436 EM28XX_MT9M001, 437 EM28XX_MT9M111, 438 EM28XX_OV2640, 439 }; 440 441 enum em28xx_adecoder { 442 EM28XX_NOADECODER = 0, 443 EM28XX_TVAUDIO, 444 }; 445 446 enum em28xx_led_role { 447 EM28XX_LED_ANALOG_CAPTURING = 0, 448 EM28XX_LED_DIGITAL_CAPTURING, 449 EM28XX_LED_DIGITAL_CAPTURING_TS2, 450 EM28XX_LED_ILLUMINATION, 451 EM28XX_NUM_LED_ROLES, /* must be the last */ 452 }; 453 454 struct em28xx_led { 455 enum em28xx_led_role role; 456 u8 gpio_reg; 457 u8 gpio_mask; 458 bool inverted; 459 }; 460 461 enum em28xx_button_role { 462 EM28XX_BUTTON_SNAPSHOT = 0, 463 EM28XX_BUTTON_ILLUMINATION, 464 EM28XX_NUM_BUTTON_ROLES, /* must be the last */ 465 }; 466 467 struct em28xx_button { 468 enum em28xx_button_role role; 469 u8 reg_r; 470 u8 reg_clearing; 471 u8 mask; 472 bool inverted; 473 }; 474 475 struct em28xx_board { 476 char *name; 477 int vchannels; 478 int tuner_type; 479 int tuner_addr; 480 unsigned int def_i2c_bus; /* Default I2C bus */ 481 482 /* i2c flags */ 483 unsigned int tda9887_conf; 484 485 /* GPIO sequences */ 486 const struct em28xx_reg_seq *dvb_gpio; 487 const struct em28xx_reg_seq *suspend_gpio; 488 const struct em28xx_reg_seq *tuner_gpio; 489 const struct em28xx_reg_seq *mute_gpio; 490 491 unsigned int is_em2800:1; 492 unsigned int has_msp34xx:1; 493 unsigned int mts_firmware:1; 494 unsigned int max_range_640_480:1; 495 unsigned int has_dvb:1; 496 unsigned int has_dual_ts:1; 497 unsigned int is_webcam:1; 498 unsigned int valid:1; 499 unsigned int has_ir_i2c:1; 500 501 unsigned char xclk, i2c_speed; 502 unsigned char radio_addr; 503 unsigned short tvaudio_addr; 504 505 enum em28xx_decoder decoder; 506 enum em28xx_adecoder adecoder; 507 508 struct em28xx_input input[MAX_EM28XX_INPUT]; 509 struct em28xx_input radio; 510 char *ir_codes; 511 512 /* LEDs that need to be controlled explicitly */ 513 struct em28xx_led *leds; 514 515 /* Buttons */ 516 const struct em28xx_button *buttons; 517 }; 518 519 struct em28xx_eeprom { 520 u8 id[4]; /* 1a eb 67 95 */ 521 __le16 vendor_ID; 522 __le16 product_ID; 523 524 __le16 chip_conf; 525 526 __le16 board_conf; 527 528 __le16 string1, string2, string3; 529 530 u8 string_idx_table; 531 }; 532 533 #define EM28XX_CAPTURE_STREAM_EN 1 534 535 /* em28xx extensions */ 536 #define EM28XX_AUDIO 0x10 537 #define EM28XX_DVB 0x20 538 #define EM28XX_RC 0x30 539 #define EM28XX_V4L2 0x40 540 541 /* em28xx resource types (used for res_get/res_lock etc */ 542 #define EM28XX_RESOURCE_VIDEO 0x01 543 #define EM28XX_RESOURCE_VBI 0x02 544 545 struct em28xx_v4l2 { 546 struct kref ref; 547 struct em28xx *dev; 548 549 struct v4l2_device v4l2_dev; 550 struct v4l2_ctrl_handler ctrl_handler; 551 552 struct video_device vdev; 553 struct video_device vbi_dev; 554 struct video_device radio_dev; 555 556 /* Videobuf2 */ 557 struct vb2_queue vb_vidq; 558 struct vb2_queue vb_vbiq; 559 struct mutex vb_queue_lock; /* Protects vb_vidq */ 560 struct mutex vb_vbi_queue_lock; /* Protects vb_vbiq */ 561 562 u8 vinmode; 563 u8 vinctl; 564 565 /* Camera specific fields */ 566 int sensor_xres; 567 int sensor_yres; 568 int sensor_xtal; 569 570 int users; /* user count for exclusive use */ 571 int streaming_users; /* number of actively streaming users */ 572 573 u32 frequency; /* selected tuner frequency */ 574 575 struct em28xx_fmt *format; 576 v4l2_std_id norm; /* selected tv norm */ 577 578 /* Progressive/interlaced mode */ 579 bool progressive; 580 int interlaced_fieldmode; /* 1=interlaced fields, 0=just top fields */ 581 /* FIXME: everything else than interlaced_fieldmode=1 doesn't work */ 582 583 /* Frame properties */ 584 int width; /* current frame width */ 585 int height; /* current frame height */ 586 unsigned int hscale; /* horizontal scale factor (see datasheet) */ 587 unsigned int vscale; /* vertical scale factor (see datasheet) */ 588 unsigned int vbi_width; 589 unsigned int vbi_height; /* lines per field */ 590 591 /* Capture state tracking */ 592 int capture_type; 593 bool top_field; 594 int vbi_read; 595 unsigned int field_count; 596 597 #ifdef CONFIG_MEDIA_CONTROLLER 598 struct media_pad video_pad, vbi_pad; 599 struct media_entity *decoder; 600 #endif 601 }; 602 603 struct em28xx_audio { 604 char name[50]; 605 unsigned int num_urb; 606 char **transfer_buffer; 607 struct urb **urb; 608 struct usb_device *udev; 609 unsigned int capture_transfer_done; 610 struct snd_pcm_substream *capture_pcm_substream; 611 612 unsigned int hwptr_done_capture; 613 struct snd_card *sndcard; 614 615 size_t period; 616 617 int users; 618 spinlock_t slock; /* Protects struct em28xx_audio */ 619 620 /* Controls streaming */ 621 struct work_struct wq_trigger; /* trigger to start/stop audio */ 622 atomic_t stream_started; /* stream should be running if true */ 623 }; 624 625 struct em28xx; 626 627 enum em28xx_i2c_algo_type { 628 EM28XX_I2C_ALGO_EM28XX = 0, 629 EM28XX_I2C_ALGO_EM2800, 630 EM28XX_I2C_ALGO_EM25XX_BUS_B, 631 }; 632 633 struct em28xx_i2c_bus { 634 struct em28xx *dev; 635 636 unsigned int bus; 637 enum em28xx_i2c_algo_type algo_type; 638 }; 639 640 /* main device struct */ 641 struct em28xx { 642 struct kref ref; 643 644 // Sub-module data 645 struct em28xx_v4l2 *v4l2; 646 struct em28xx_dvb *dvb; 647 struct em28xx_audio adev; 648 struct em28xx_IR *ir; 649 650 // generic device properties 651 int model; // index in the device_data struct 652 int devno; // marks the number of this device 653 enum em28xx_chip_id chip_id; 654 655 unsigned int is_em25xx:1; // em25xx/em276x/7x/8x family bridge 656 unsigned int disconnected:1; // device has been diconnected 657 unsigned int has_video:1; 658 unsigned int is_audio_only:1; 659 unsigned int is_webcam:1; 660 unsigned int has_msp34xx:1; 661 unsigned int i2c_speed:2; 662 enum em28xx_int_audio_type int_audio_type; 663 enum em28xx_usb_audio_type usb_audio_type; 664 unsigned char name[32]; 665 666 struct em28xx_board board; 667 668 enum em28xx_sensor em28xx_sensor; // camera specific 669 670 // Some older em28xx chips needs a waiting time after writing 671 unsigned int wait_after_write; 672 673 struct list_head devlist; 674 675 u32 i2s_speed; // I2S speed for audio digital stream 676 677 struct em28xx_audio_mode audio_mode; 678 679 int tuner_type; // type of the tuner 680 681 // i2c i/o 682 struct i2c_adapter i2c_adap[NUM_I2C_BUSES]; 683 struct i2c_client i2c_client[NUM_I2C_BUSES]; 684 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES]; 685 686 unsigned char eeprom_addrwidth_16bit:1; 687 unsigned int def_i2c_bus; // Default I2C bus 688 unsigned int cur_i2c_bus; // Current I2C bus 689 struct rt_mutex i2c_bus_lock; 690 691 // video for linux 692 unsigned int ctl_input; // selected input 693 unsigned int ctl_ainput;// selected audio input 694 unsigned int ctl_aoutput;// selected audio output 695 int mute; 696 int volume; 697 698 unsigned long hash; // eeprom hash - for boards with generic ID 699 unsigned long i2c_hash; // i2c devicelist hash - 700 // for boards with generic ID 701 702 struct work_struct request_module_wk; 703 704 // locks 705 struct mutex lock; /* protects em28xx struct */ 706 struct mutex ctrl_urb_lock; /* protects urb_buf */ 707 708 // resources in use 709 unsigned int resources; 710 711 // eeprom content 712 u8 *eedata; 713 u16 eedata_len; 714 715 // Isoc control struct 716 struct em28xx_dmaqueue vidq; 717 struct em28xx_dmaqueue vbiq; 718 struct em28xx_usb_ctl usb_ctl; 719 720 spinlock_t slock; /* Protects em28xx video/vbi/dvb IRQ stream data */ 721 722 // usb transfer 723 struct usb_interface *intf; // the usb interface 724 u8 ifnum; // number of the assigned usb interface 725 u8 analog_ep_isoc; // address of isoc endpoint for analog 726 u8 analog_ep_bulk; // address of bulk endpoint for analog 727 u8 dvb_ep_isoc_ts2; // address of isoc endpoint for DVB TS2 728 u8 dvb_ep_bulk_ts2; // address of bulk endpoint for DVB TS2 729 u8 dvb_ep_isoc; // address of isoc endpoint for DVB 730 u8 dvb_ep_bulk; // address of bulk endpoint for DVB 731 int alt; // alternate setting 732 int max_pkt_size; // max packet size of the selected ep at alt 733 int packet_multiplier; // multiplier for wMaxPacketSize, used for 734 // URB buffer size definition 735 int num_alt; // number of alternative settings 736 unsigned int *alt_max_pkt_size_isoc; // array of isoc wMaxPacketSize 737 unsigned int analog_xfer_bulk:1; // use bulk instead of isoc 738 // transfers for analog 739 int dvb_alt_isoc; // alternate setting for DVB isoc transfers 740 unsigned int dvb_max_pkt_size_isoc; // isoc max packet size of the 741 // selected DVB ep at dvb_alt 742 unsigned int dvb_max_pkt_size_isoc_ts2; // isoc max packet size of the 743 // selected DVB ep at dvb_alt 744 unsigned int dvb_xfer_bulk:1; // use bulk instead of isoc 745 // transfers for DVB 746 char urb_buf[URB_MAX_CTRL_SIZE]; // urb control msg buffer 747 748 // helper funcs that call usb_control_msg 749 int (*em28xx_write_regs)(struct em28xx *dev, u16 reg, 750 char *buf, int len); 751 int (*em28xx_read_reg)(struct em28xx *dev, u16 reg); 752 int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg, 753 char *buf, int len); 754 int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg, 755 char *buf, int len); 756 int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg); 757 758 enum em28xx_mode mode; 759 760 // Button state polling 761 struct delayed_work buttons_query_work; 762 u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 763 u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 764 u8 num_button_polling_addresses; 765 u16 button_polling_interval; // [ms] 766 // Snapshot button input device 767 char snapshot_button_path[30]; // path of the input dev 768 struct input_dev *sbutton_input_dev; 769 770 #ifdef CONFIG_MEDIA_CONTROLLER 771 struct media_device *media_dev; 772 struct media_entity input_ent[MAX_EM28XX_INPUT]; 773 struct media_pad input_pad[MAX_EM28XX_INPUT]; 774 #endif 775 776 struct em28xx *dev_next; 777 int ts; 778 }; 779 780 #define kref_to_dev(d) container_of(d, struct em28xx, ref) 781 782 struct em28xx_ops { 783 struct list_head next; 784 char *name; 785 int id; 786 int (*init)(struct em28xx *dev); 787 int (*fini)(struct em28xx *dev); 788 int (*suspend)(struct em28xx *dev); 789 int (*resume)(struct em28xx *dev); 790 }; 791 792 /* Provided by em28xx-i2c.c */ 793 void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus); 794 int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, 795 enum em28xx_i2c_algo_type algo_type); 796 int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus); 797 798 /* Provided by em28xx-core.c */ 799 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, 800 char *buf, int len); 801 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); 802 int em28xx_read_reg(struct em28xx *dev, u16 reg); 803 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 804 int len); 805 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); 806 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); 807 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, 808 u8 bitmask); 809 int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); 810 811 int em28xx_read_ac97(struct em28xx *dev, u8 reg); 812 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); 813 814 int em28xx_audio_analog_set(struct em28xx *dev); 815 int em28xx_audio_setup(struct em28xx *dev); 816 817 const struct em28xx_led *em28xx_find_led(struct em28xx *dev, 818 enum em28xx_led_role role); 819 int em28xx_capture_start(struct em28xx *dev, int start); 820 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, 821 int num_bufs, int max_pkt_size, int packet_multiplier); 822 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, 823 int xfer_bulk, 824 int num_bufs, int max_pkt_size, int packet_multiplier, 825 int (*urb_data_copy) 826 (struct em28xx *dev, struct urb *urb)); 827 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); 828 void em28xx_stop_urbs(struct em28xx *dev); 829 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); 830 int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio); 831 int em28xx_register_extension(struct em28xx_ops *dev); 832 void em28xx_unregister_extension(struct em28xx_ops *dev); 833 void em28xx_init_extension(struct em28xx *dev); 834 void em28xx_close_extension(struct em28xx *dev); 835 int em28xx_suspend_extension(struct em28xx *dev); 836 int em28xx_resume_extension(struct em28xx *dev); 837 838 /* Provided by em28xx-cards.c */ 839 extern const struct em28xx_board em28xx_boards[]; 840 extern struct usb_device_id em28xx_id_table[]; 841 int em28xx_tuner_callback(void *ptr, int component, int command, int arg); 842 void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl); 843 void em28xx_free_device(struct kref *ref); 844 845 /* Provided by em28xx-camera.c */ 846 int em28xx_detect_sensor(struct em28xx *dev); 847 int em28xx_init_camera(struct em28xx *dev); 848 849 #endif 850