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