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 13 #ifndef _EM28XX_H 14 #define _EM28XX_H 15 16 #include <linux/bitfield.h> 17 18 #define EM28XX_VERSION "0.2.2" 19 #define DRIVER_DESC "Empia em28xx device driver" 20 21 #include <linux/workqueue.h> 22 #include <linux/i2c.h> 23 #include <linux/mutex.h> 24 #include <linux/kref.h> 25 #include <linux/videodev2.h> 26 27 #include <media/videobuf2-v4l2.h> 28 #include <media/videobuf2-vmalloc.h> 29 #include <media/v4l2-device.h> 30 #include <media/v4l2-ctrls.h> 31 #include <media/v4l2-fh.h> 32 #include <media/i2c/ir-kbd-i2c.h> 33 #include <media/rc-core.h> 34 #include "xc2028.h" 35 #include "xc5000.h" 36 #include "em28xx-reg.h" 37 38 /* Boards supported by driver */ 39 #define EM2800_BOARD_UNKNOWN 0 40 #define EM2820_BOARD_UNKNOWN 1 41 #define EM2820_BOARD_TERRATEC_CINERGY_250 2 42 #define EM2820_BOARD_PINNACLE_USB_2 3 43 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 44 #define EM2820_BOARD_MSI_VOX_USB_2 5 45 #define EM2800_BOARD_TERRATEC_CINERGY_200 6 46 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 47 #define EM2800_BOARD_KWORLD_USB2800 8 48 #define EM2820_BOARD_PINNACLE_DVC_90 9 49 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 50 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 51 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 52 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 53 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 54 #define EM2800_BOARD_VGEAR_POCKETTV 15 55 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 56 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 57 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 58 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 59 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 60 #define EM2800_BOARD_GRABBEEX_USB2800 21 61 #define EM2750_BOARD_UNKNOWN 22 62 #define EM2750_BOARD_DLCW_130 23 63 #define EM2820_BOARD_DLINK_USB_TV 24 64 #define EM2820_BOARD_GADMEI_UTV310 25 65 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 66 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 67 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 68 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 69 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 70 #define EM2821_BOARD_USBGEAR_VD204 31 71 #define EM2821_BOARD_SUPERCOMP_USB_2 32 72 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 73 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34 74 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35 75 #define EM2860_BOARD_NETGMBH_CAM 36 76 #define EM2860_BOARD_GADMEI_UTV330 37 77 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 78 #define EM2861_BOARD_KWORLD_PVRTV_300U 39 79 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40 80 #define EM2870_BOARD_KWORLD_350U 41 81 #define EM2870_BOARD_KWORLD_355U 42 82 #define EM2870_BOARD_TERRATEC_XS 43 83 #define EM2870_BOARD_TERRATEC_XS_MT2060 44 84 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45 85 #define EM2870_BOARD_COMPRO_VIDEOMATE 46 86 #define EM2880_BOARD_KWORLD_DVB_305U 47 87 #define EM2880_BOARD_KWORLD_DVB_310U 48 88 #define EM2880_BOARD_MSI_DIGIVOX_AD 49 89 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 90 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 91 #define EM2881_BOARD_DNT_DA2_HYBRID 52 92 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 93 #define EM2882_BOARD_KWORLD_VS_DVBT 54 94 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 95 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 96 #define EM2883_BOARD_KWORLD_HYBRID_330U 57 97 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 98 #define EM2874_BOARD_PCTV_HD_MINI_80E 59 99 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 100 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 101 #define EM2820_BOARD_GADMEI_TVR200 62 102 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63 103 #define EM2860_BOARD_EASYCAP 64 104 #define EM2820_BOARD_IODATA_GVMVP_SZ 65 105 #define EM2880_BOARD_EMPIRE_DUAL_TV 66 106 #define EM2860_BOARD_TERRATEC_GRABBY 67 107 #define EM2860_BOARD_TERRATEC_AV350 68 108 #define EM2882_BOARD_KWORLD_ATSC_315U 69 109 #define EM2882_BOARD_EVGA_INDTUBE 70 110 #define EM2820_BOARD_SILVERCREST_WEBCAM 71 111 #define EM2861_BOARD_GADMEI_UTV330PLUS 72 112 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 113 #define EM2800_BOARD_VC211A 74 114 #define EM2882_BOARD_DIKOM_DK300 75 115 #define EM2870_BOARD_KWORLD_A340 76 116 #define EM2874_BOARD_LEADERSHIP_ISDBT 77 117 #define EM28174_BOARD_PCTV_290E 78 118 #define EM2884_BOARD_TERRATEC_H5 79 119 #define EM28174_BOARD_PCTV_460E 80 120 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 121 #define EM2884_BOARD_CINERGY_HTC_STICK 82 122 #define EM2860_BOARD_HT_VIDBOX_NW03 83 123 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 124 #define EM2884_BOARD_PCTV_510E 85 125 #define EM2884_BOARD_PCTV_520E 86 126 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 127 #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 128 #define EM2874_BOARD_DELOCK_61959 89 129 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 130 #define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 131 #define EM28178_BOARD_PCTV_461E 92 132 #define EM2874_BOARD_KWORLD_UB435Q_V3 93 133 #define EM28178_BOARD_PCTV_292E 94 134 #define EM2861_BOARD_LEADTEK_VC100 95 135 #define EM28178_BOARD_TERRATEC_T2_STICK_HD 96 136 #define EM2884_BOARD_ELGATO_EYETV_HYBRID_2008 97 137 #define EM28178_BOARD_PLEX_PX_BCUD 98 138 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 139 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 140 #define EM2884_BOARD_TERRATEC_H6 101 141 #define EM2882_BOARD_ZOLID_HYBRID_TV_STICK 102 142 #define EM2861_BOARD_MAGIX_VIDEOWANDLER2 103 143 #define EM28178_BOARD_PCTV_461E_V2 104 144 #define EM2860_BOARD_MYGICA_IGRABBER 105 145 #define EM2874_BOARD_HAUPPAUGE_USB_QUADHD 106 146 147 /* Limits minimum and default number of buffers */ 148 #define EM28XX_MIN_BUF 4 149 #define EM28XX_DEF_BUF 8 150 151 /*Limits the max URB message size */ 152 #define URB_MAX_CTRL_SIZE 80 153 154 /* Params for validated field */ 155 #define EM28XX_BOARD_NOT_VALIDATED 1 156 #define EM28XX_BOARD_VALIDATED 0 157 158 /* Params for em28xx_cmd() audio */ 159 #define EM28XX_START_AUDIO 1 160 #define EM28XX_STOP_AUDIO 0 161 162 /* maximum number of em28xx boards */ 163 #define EM28XX_MAXBOARDS DVB_MAX_ADAPTERS /* All adapters could be em28xx */ 164 165 /* maximum number of frames that can be queued */ 166 #define EM28XX_NUM_FRAMES 5 167 /* number of frames that get used for v4l2_read() */ 168 #define EM28XX_NUM_READ_FRAMES 2 169 170 /* number of buffers for isoc transfers */ 171 #define EM28XX_NUM_BUFS 5 172 #define EM28XX_DVB_NUM_BUFS 5 173 174 /* max number of I2C buses on em28xx devices */ 175 #define NUM_I2C_BUSES 2 176 177 /* 178 * isoc transfers: number of packets for each buffer 179 * windows requests only 64 packets .. so we better do the same 180 * this is what I found out for all alternate numbers there! 181 */ 182 #define EM28XX_NUM_ISOC_PACKETS 64 183 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 184 185 /* 186 * bulk transfers: transfer buffer size = packet size * packet multiplier 187 * USB 2.0 spec says bulk packet size is always 512 bytes 188 */ 189 #define EM28XX_BULK_PACKET_MULTIPLIER 384 190 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94 191 192 #define EM28XX_INTERLACED_DEFAULT 1 193 194 /* time in msecs to wait for AC97 xfers to finish */ 195 #define EM28XX_AC97_XFER_TIMEOUT 100 196 197 /* max. number of button state polling addresses */ 198 #define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 199 200 #define PRIMARY_TS 0 201 #define SECONDARY_TS 1 202 203 enum em28xx_mode { 204 EM28XX_SUSPEND, 205 EM28XX_ANALOG_MODE, 206 EM28XX_DIGITAL_MODE, 207 }; 208 209 struct em28xx; 210 211 /** 212 * struct em28xx_usb_bufs - Contains URB-related buffer data 213 * 214 * @max_pkt_size: max packet size of isoc transaction 215 * @num_packets: number of packets in each buffer 216 * @num_bufs: number of allocated urb 217 * @urb: urb for isoc/bulk transfers 218 * @buf: transfer buffers for isoc/bulk transfer 219 */ 220 struct em28xx_usb_bufs { 221 int max_pkt_size; 222 int num_packets; 223 int num_bufs; 224 struct urb **urb; 225 char **buf; 226 }; 227 228 /** 229 * struct em28xx_usb_ctl - Contains URB-related buffer data 230 * 231 * @analog_bufs: isoc/bulk transfer buffers for analog mode 232 * @digital_bufs: isoc/bulk transfer buffers for digital mode 233 * @vid_buf: Stores already requested video buffers 234 * @vbi_buf: Stores already requested VBI buffers 235 * @urb_data_copy: copy data from URB 236 */ 237 struct em28xx_usb_ctl { 238 struct em28xx_usb_bufs analog_bufs; 239 struct em28xx_usb_bufs digital_bufs; 240 struct em28xx_buffer *vid_buf; 241 struct em28xx_buffer *vbi_buf; 242 int (*urb_data_copy)(struct em28xx *dev, struct urb *urb); 243 }; 244 245 /** 246 * struct em28xx_fmt - Struct to enumberate video formats 247 * 248 * @fourcc: v4l2 format id 249 * @depth: mean number of bits to represent a pixel 250 * @reg: em28xx register value to set it 251 */ 252 struct em28xx_fmt { 253 u32 fourcc; 254 int depth; 255 int reg; 256 }; 257 258 /** 259 * struct em28xx_buffer- buffer for storing one video frame 260 * 261 * @vb: common v4l buffer stuff 262 * @list: List to associate it with the other buffers 263 * @mem: pointer to the buffer, as returned by vb2_plane_vaddr() 264 * @length: length of the buffer, as returned by vb2_plane_size() 265 * @top_field: If non-zero, indicate that the buffer is the top field 266 * @pos: Indicate the next position of the buffer to be filled. 267 * @vb_buf: pointer to vmalloc memory address in vb 268 * 269 * .. note:: 270 * 271 * in interlaced mode, @pos is reset to zero at the start of each new 272 * field (not frame !) 273 */ 274 struct em28xx_buffer { 275 struct vb2_v4l2_buffer vb; /* must be first */ 276 277 struct list_head list; 278 279 void *mem; 280 unsigned int length; 281 int top_field; 282 283 unsigned int pos; 284 285 char *vb_buf; 286 }; 287 288 struct em28xx_dmaqueue { 289 struct list_head active; 290 291 wait_queue_head_t wq; 292 }; 293 294 /* inputs */ 295 296 #define MAX_EM28XX_INPUT 4 297 enum enum28xx_itype { 298 EM28XX_VMUX_COMPOSITE = 1, 299 EM28XX_VMUX_SVIDEO, 300 EM28XX_VMUX_TELEVISION, 301 EM28XX_RADIO, 302 }; 303 304 enum em28xx_ac97_mode { 305 EM28XX_NO_AC97 = 0, 306 EM28XX_AC97_EM202, 307 EM28XX_AC97_SIGMATEL, 308 EM28XX_AC97_OTHER, 309 }; 310 311 struct em28xx_audio_mode { 312 enum em28xx_ac97_mode ac97; 313 }; 314 315 enum em28xx_int_audio_type { 316 EM28XX_INT_AUDIO_NONE = 0, 317 EM28XX_INT_AUDIO_AC97, 318 EM28XX_INT_AUDIO_I2S, 319 }; 320 321 enum em28xx_usb_audio_type { 322 EM28XX_USB_AUDIO_NONE = 0, 323 EM28XX_USB_AUDIO_CLASS, 324 EM28XX_USB_AUDIO_VENDOR, 325 }; 326 327 /** 328 * enum em28xx_amux - describes the type of audio input used by em28xx 329 * 330 * @EM28XX_AMUX_UNUSED: 331 * Used only on em28xx dev->map field, in order to mark an entry 332 * as unused. 333 * @EM28XX_AMUX_VIDEO: 334 * On devices without AC97, this is the only value that it is currently 335 * allowed. 336 * On devices with AC97, it corresponds to the AC97 mixer "Video" control. 337 * @EM28XX_AMUX_LINE_IN: 338 * Only for devices with AC97. Corresponds to AC97 mixer "Line In". 339 * @EM28XX_AMUX_VIDEO2: 340 * Only for devices with AC97. It means that em28xx should use "Line In" 341 * And AC97 should use the "Video" mixer control. 342 * @EM28XX_AMUX_PHONE: 343 * Only for devices with AC97. Corresponds to AC97 mixer "Phone". 344 * @EM28XX_AMUX_MIC: 345 * Only for devices with AC97. Corresponds to AC97 mixer "Mic". 346 * @EM28XX_AMUX_CD: 347 * Only for devices with AC97. Corresponds to AC97 mixer "CD". 348 * @EM28XX_AMUX_AUX: 349 * Only for devices with AC97. Corresponds to AC97 mixer "Aux". 350 * @EM28XX_AMUX_PCM_OUT: 351 * Only for devices with AC97. Corresponds to AC97 mixer "PCM out". 352 * 353 * The em28xx chip itself has only two audio inputs: tuner and line in. 354 * On almost all devices, only the tuner input is used. 355 * 356 * However, on most devices, an auxiliary AC97 codec device is used, 357 * usually connected to the em28xx tuner input (except for 358 * @EM28XX_AMUX_LINE_IN). 359 * 360 * The AC97 device typically have several different inputs and outputs. 361 * The exact number and description depends on their model. 362 * 363 * It is possible to AC97 to mixer more than one different entries at the 364 * same time, via the alsa mux. 365 */ 366 enum em28xx_amux { 367 EM28XX_AMUX_UNUSED = -1, 368 EM28XX_AMUX_VIDEO = 0, 369 EM28XX_AMUX_LINE_IN, 370 371 /* Some less-common mixer setups */ 372 EM28XX_AMUX_VIDEO2, 373 EM28XX_AMUX_PHONE, 374 EM28XX_AMUX_MIC, 375 EM28XX_AMUX_CD, 376 EM28XX_AMUX_AUX, 377 EM28XX_AMUX_PCM_OUT, 378 }; 379 380 enum em28xx_aout { 381 /* AC97 outputs */ 382 EM28XX_AOUT_MASTER = BIT(0), 383 EM28XX_AOUT_LINE = BIT(1), 384 EM28XX_AOUT_MONO = BIT(2), 385 EM28XX_AOUT_LFE = BIT(3), 386 EM28XX_AOUT_SURR = BIT(4), 387 388 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ 389 EM28XX_AOUT_PCM_IN = BIT(7), 390 391 /* Bits 10-8 are used to indicate the PCM IN record select */ 392 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, 393 EM28XX_AOUT_PCM_CD = 1 << 8, 394 EM28XX_AOUT_PCM_VIDEO = 2 << 8, 395 EM28XX_AOUT_PCM_AUX = 3 << 8, 396 EM28XX_AOUT_PCM_LINE = 4 << 8, 397 EM28XX_AOUT_PCM_STEREO = 5 << 8, 398 EM28XX_AOUT_PCM_MONO = 6 << 8, 399 EM28XX_AOUT_PCM_PHONE = 7 << 8, 400 }; 401 402 static inline int ac97_return_record_select(int a_out) 403 { 404 return (a_out & 0x700) >> 8; 405 } 406 407 struct em28xx_reg_seq { 408 int reg; 409 unsigned char val, mask; 410 int sleep; 411 }; 412 413 struct em28xx_input { 414 enum enum28xx_itype type; 415 unsigned int vmux; 416 enum em28xx_amux amux; 417 enum em28xx_aout aout; 418 const struct em28xx_reg_seq *gpio; 419 }; 420 421 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) 422 423 enum em28xx_decoder { 424 EM28XX_NODECODER = 0, 425 EM28XX_TVP5150, 426 EM28XX_SAA711X, 427 }; 428 429 enum em28xx_sensor { 430 EM28XX_NOSENSOR = 0, 431 EM28XX_MT9V011, 432 EM28XX_MT9M001, 433 EM28XX_MT9M111, 434 EM28XX_OV2640, 435 }; 436 437 enum em28xx_adecoder { 438 EM28XX_NOADECODER = 0, 439 EM28XX_TVAUDIO, 440 }; 441 442 enum em28xx_led_role { 443 EM28XX_LED_ANALOG_CAPTURING = 0, 444 EM28XX_LED_DIGITAL_CAPTURING, 445 EM28XX_LED_DIGITAL_CAPTURING_TS2, 446 EM28XX_LED_ILLUMINATION, 447 EM28XX_NUM_LED_ROLES, /* must be the last */ 448 }; 449 450 struct em28xx_led { 451 enum em28xx_led_role role; 452 u8 gpio_reg; 453 u8 gpio_mask; 454 bool inverted; 455 }; 456 457 enum em28xx_button_role { 458 EM28XX_BUTTON_SNAPSHOT = 0, 459 EM28XX_BUTTON_ILLUMINATION, 460 EM28XX_NUM_BUTTON_ROLES, /* must be the last */ 461 }; 462 463 struct em28xx_button { 464 enum em28xx_button_role role; 465 u8 reg_r; 466 u8 reg_clearing; 467 u8 mask; 468 bool inverted; 469 }; 470 471 struct em28xx_board { 472 char *name; 473 int vchannels; 474 int tuner_type; 475 int tuner_addr; 476 unsigned int def_i2c_bus; /* Default I2C bus */ 477 478 /* i2c flags */ 479 unsigned int tda9887_conf; 480 481 /* GPIO sequences */ 482 const struct em28xx_reg_seq *dvb_gpio; 483 const struct em28xx_reg_seq *suspend_gpio; 484 const struct em28xx_reg_seq *tuner_gpio; 485 const struct em28xx_reg_seq *mute_gpio; 486 487 unsigned int is_em2800:1; 488 unsigned int has_msp34xx:1; 489 unsigned int mts_firmware:1; 490 unsigned int max_range_640_480:1; 491 unsigned int has_dvb:1; 492 unsigned int has_dual_ts:1; 493 unsigned int is_webcam:1; 494 unsigned int valid:1; 495 unsigned int has_ir_i2c:1; 496 497 unsigned char xclk, i2c_speed; 498 unsigned char radio_addr; 499 unsigned short tvaudio_addr; 500 501 enum em28xx_decoder decoder; 502 enum em28xx_adecoder adecoder; 503 504 struct em28xx_input input[MAX_EM28XX_INPUT]; 505 struct em28xx_input radio; 506 char *ir_codes; 507 508 /* LEDs that need to be controlled explicitly */ 509 struct em28xx_led *leds; 510 511 /* Buttons */ 512 const struct em28xx_button *buttons; 513 }; 514 515 struct em28xx_eeprom { 516 u8 id[4]; /* 1a eb 67 95 */ 517 __le16 vendor_ID; 518 __le16 product_ID; 519 520 __le16 chip_conf; 521 522 __le16 board_conf; 523 524 __le16 string1, string2, string3; 525 526 u8 string_idx_table; 527 }; 528 529 #define EM28XX_CAPTURE_STREAM_EN 1 530 531 /* em28xx extensions */ 532 #define EM28XX_AUDIO 0x10 533 #define EM28XX_DVB 0x20 534 #define EM28XX_RC 0x30 535 #define EM28XX_V4L2 0x40 536 537 /* em28xx resource types (used for res_get/res_lock etc */ 538 #define EM28XX_RESOURCE_VIDEO 0x01 539 #define EM28XX_RESOURCE_VBI 0x02 540 541 struct em28xx_v4l2 { 542 struct kref ref; 543 struct em28xx *dev; 544 545 struct v4l2_device v4l2_dev; 546 struct v4l2_ctrl_handler ctrl_handler; 547 548 struct video_device vdev; 549 struct video_device vbi_dev; 550 struct video_device radio_dev; 551 552 /* Videobuf2 */ 553 struct vb2_queue vb_vidq; 554 struct vb2_queue vb_vbiq; 555 struct mutex vb_queue_lock; /* Protects vb_vidq */ 556 struct mutex vb_vbi_queue_lock; /* Protects vb_vbiq */ 557 558 u8 vinmode; 559 u8 vinctl; 560 561 /* Camera specific fields */ 562 int sensor_xres; 563 int sensor_yres; 564 int sensor_xtal; 565 566 int users; /* user count for exclusive use */ 567 int streaming_users; /* number of actively streaming users */ 568 569 u32 frequency; /* selected tuner frequency */ 570 571 struct em28xx_fmt *format; 572 v4l2_std_id norm; /* selected tv norm */ 573 574 /* Progressive/interlaced mode */ 575 bool progressive; 576 int interlaced_fieldmode; /* 1=interlaced fields, 0=just top fields */ 577 /* FIXME: everything else than interlaced_fieldmode=1 doesn't work */ 578 579 /* Frame properties */ 580 int width; /* current frame width */ 581 int height; /* current frame height */ 582 unsigned int hscale; /* horizontal scale factor (see datasheet) */ 583 unsigned int vscale; /* vertical scale factor (see datasheet) */ 584 unsigned int vbi_width; 585 unsigned int vbi_height; /* lines per field */ 586 587 /* Capture state tracking */ 588 int capture_type; 589 bool top_field; 590 int vbi_read; 591 unsigned int field_count; 592 593 #ifdef CONFIG_MEDIA_CONTROLLER 594 struct media_pad video_pad, vbi_pad; 595 struct media_entity *decoder; 596 #endif 597 }; 598 599 struct em28xx_audio { 600 char name[50]; 601 unsigned int num_urb; 602 char **transfer_buffer; 603 struct urb **urb; 604 struct usb_device *udev; 605 unsigned int capture_transfer_done; 606 struct snd_pcm_substream *capture_pcm_substream; 607 608 unsigned int hwptr_done_capture; 609 struct snd_card *sndcard; 610 611 size_t period; 612 613 int users; 614 spinlock_t slock; /* Protects struct em28xx_audio */ 615 616 /* Controls streaming */ 617 struct work_struct wq_trigger; /* trigger to start/stop audio */ 618 atomic_t stream_started; /* stream should be running if true */ 619 }; 620 621 enum em28xx_i2c_algo_type { 622 EM28XX_I2C_ALGO_EM28XX = 0, 623 EM28XX_I2C_ALGO_EM2800, 624 EM28XX_I2C_ALGO_EM25XX_BUS_B, 625 }; 626 627 struct em28xx_i2c_bus { 628 struct em28xx *dev; 629 630 unsigned int bus; 631 enum em28xx_i2c_algo_type algo_type; 632 }; 633 634 /* main device struct */ 635 struct em28xx { 636 struct kref ref; 637 638 // Sub-module data 639 struct em28xx_v4l2 *v4l2; 640 struct em28xx_dvb *dvb; 641 struct em28xx_audio adev; 642 struct em28xx_IR *ir; 643 644 // generic device properties 645 int model; // index in the device_data struct 646 int devno; // marks the number of this device 647 enum em28xx_chip_id chip_id; 648 649 unsigned int is_em25xx:1; // em25xx/em276x/7x/8x family bridge 650 unsigned int disconnected:1; // device has been disconnected 651 unsigned int has_video:1; 652 unsigned int is_audio_only:1; 653 unsigned int is_webcam:1; 654 unsigned int has_msp34xx:1; 655 unsigned int i2c_speed:2; 656 enum em28xx_int_audio_type int_audio_type; 657 enum em28xx_usb_audio_type usb_audio_type; 658 unsigned char name[32]; 659 660 struct em28xx_board board; 661 662 enum em28xx_sensor em28xx_sensor; // camera specific 663 664 // Some older em28xx chips needs a waiting time after writing 665 unsigned int wait_after_write; 666 667 struct list_head devlist; 668 669 u32 i2s_speed; // I2S speed for audio digital stream 670 671 struct em28xx_audio_mode audio_mode; 672 673 int tuner_type; // type of the tuner 674 675 // i2c i/o 676 struct i2c_adapter i2c_adap[NUM_I2C_BUSES]; 677 struct i2c_client i2c_client[NUM_I2C_BUSES]; 678 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES]; 679 680 unsigned char eeprom_addrwidth_16bit:1; 681 unsigned int def_i2c_bus; // Default I2C bus 682 unsigned int cur_i2c_bus; // Current I2C bus 683 struct rt_mutex i2c_bus_lock; 684 685 // video for linux 686 unsigned int ctl_input; // selected input 687 unsigned int ctl_ainput;// selected audio input 688 unsigned int ctl_aoutput;// selected audio output 689 enum em28xx_amux amux_map[MAX_EM28XX_INPUT]; 690 691 int mute; 692 int volume; 693 694 unsigned long hash; // eeprom hash - for boards with generic ID 695 unsigned long i2c_hash; // i2c devicelist hash - 696 // for boards with generic ID 697 698 struct work_struct request_module_wk; 699 700 // locks 701 struct mutex lock; /* protects em28xx struct */ 702 struct mutex ctrl_urb_lock; /* protects urb_buf */ 703 704 // resources in use 705 unsigned int resources; 706 707 // eeprom content 708 u8 *eedata; 709 u16 eedata_len; 710 711 // Isoc control struct 712 struct em28xx_dmaqueue vidq; 713 struct em28xx_dmaqueue vbiq; 714 struct em28xx_usb_ctl usb_ctl; 715 716 spinlock_t slock; /* Protects em28xx video/vbi/dvb IRQ stream data */ 717 718 // usb transfer 719 struct usb_interface *intf; // the usb interface 720 u8 ifnum; // number of the assigned usb interface 721 u8 analog_ep_isoc; // address of isoc endpoint for analog 722 u8 analog_ep_bulk; // address of bulk endpoint for analog 723 u8 dvb_ep_isoc_ts2; // address of isoc endpoint for DVB TS2 724 u8 dvb_ep_bulk_ts2; // address of bulk endpoint for DVB TS2 725 u8 dvb_ep_isoc; // address of isoc endpoint for DVB 726 u8 dvb_ep_bulk; // address of bulk endpoint for DVB 727 int alt; // alternate setting 728 int max_pkt_size; // max packet size of the selected ep at alt 729 int packet_multiplier; // multiplier for wMaxPacketSize, used for 730 // URB buffer size definition 731 int num_alt; // number of alternative settings 732 unsigned int *alt_max_pkt_size_isoc; // array of isoc wMaxPacketSize 733 unsigned int analog_xfer_bulk:1; // use bulk instead of isoc 734 // transfers for analog 735 int dvb_alt_isoc; // alternate setting for DVB isoc transfers 736 unsigned int dvb_max_pkt_size_isoc; // isoc max packet size of the 737 // selected DVB ep at dvb_alt 738 unsigned int dvb_max_pkt_size_isoc_ts2; // isoc max packet size of the 739 // selected DVB ep at dvb_alt 740 unsigned int dvb_xfer_bulk:1; // use bulk instead of isoc 741 // transfers for DVB 742 char urb_buf[URB_MAX_CTRL_SIZE]; // urb control msg buffer 743 744 // helper funcs that call usb_control_msg 745 int (*em28xx_write_regs)(struct em28xx *dev, u16 reg, 746 char *buf, int len); 747 int (*em28xx_read_reg)(struct em28xx *dev, u16 reg); 748 int (*em28xx_read_reg_req_len)(struct em28xx *dev, u8 req, u16 reg, 749 char *buf, int len); 750 int (*em28xx_write_regs_req)(struct em28xx *dev, u8 req, u16 reg, 751 char *buf, int len); 752 int (*em28xx_read_reg_req)(struct em28xx *dev, u8 req, u16 reg); 753 754 enum em28xx_mode mode; 755 756 // Button state polling 757 struct delayed_work buttons_query_work; 758 u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 759 u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; 760 u8 num_button_polling_addresses; 761 u16 button_polling_interval; // [ms] 762 // Snapshot button input device 763 char snapshot_button_path[30]; // path of the input dev 764 struct input_dev *sbutton_input_dev; 765 766 #ifdef CONFIG_MEDIA_CONTROLLER 767 struct media_device *media_dev; 768 struct media_entity input_ent[MAX_EM28XX_INPUT]; 769 struct media_pad input_pad[MAX_EM28XX_INPUT]; 770 #endif 771 772 struct em28xx *dev_next; 773 int ts; 774 }; 775 776 #define kref_to_dev(d) container_of(d, struct em28xx, ref) 777 778 struct em28xx_ops { 779 struct list_head next; 780 char *name; 781 int id; 782 int (*init)(struct em28xx *dev); 783 int (*fini)(struct em28xx *dev); 784 int (*suspend)(struct em28xx *dev); 785 int (*resume)(struct em28xx *dev); 786 }; 787 788 /* Provided by em28xx-i2c.c */ 789 void em28xx_do_i2c_scan(struct em28xx *dev, unsigned int bus); 790 int em28xx_i2c_register(struct em28xx *dev, unsigned int bus, 791 enum em28xx_i2c_algo_type algo_type); 792 int em28xx_i2c_unregister(struct em28xx *dev, unsigned int bus); 793 794 /* Provided by em28xx-core.c */ 795 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, 796 char *buf, int len); 797 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); 798 int em28xx_read_reg(struct em28xx *dev, u16 reg); 799 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 800 int len); 801 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); 802 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); 803 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, 804 u8 bitmask); 805 int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); 806 807 int em28xx_read_ac97(struct em28xx *dev, u8 reg); 808 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); 809 810 int em28xx_audio_analog_set(struct em28xx *dev); 811 int em28xx_audio_setup(struct em28xx *dev); 812 813 const struct em28xx_led *em28xx_find_led(struct em28xx *dev, 814 enum em28xx_led_role role); 815 int em28xx_capture_start(struct em28xx *dev, int start); 816 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, 817 int num_bufs, int max_pkt_size, int packet_multiplier); 818 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, 819 int xfer_bulk, 820 int num_bufs, int max_pkt_size, int packet_multiplier, 821 int (*urb_data_copy) 822 (struct em28xx *dev, struct urb *urb)); 823 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); 824 void em28xx_stop_urbs(struct em28xx *dev); 825 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); 826 int em28xx_gpio_set(struct em28xx *dev, const struct em28xx_reg_seq *gpio); 827 int em28xx_register_extension(struct em28xx_ops *dev); 828 void em28xx_unregister_extension(struct em28xx_ops *dev); 829 void em28xx_init_extension(struct em28xx *dev); 830 void em28xx_close_extension(struct em28xx *dev); 831 int em28xx_suspend_extension(struct em28xx *dev); 832 int em28xx_resume_extension(struct em28xx *dev); 833 834 /* Provided by em28xx-cards.c */ 835 extern const struct em28xx_board em28xx_boards[]; 836 extern struct usb_device_id em28xx_id_table[]; 837 int em28xx_tuner_callback(void *ptr, int component, int command, int arg); 838 void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl); 839 void em28xx_free_device(struct kref *ref); 840 841 /* Provided by em28xx-camera.c */ 842 int em28xx_detect_sensor(struct em28xx *dev); 843 int em28xx_init_camera(struct em28xx *dev); 844 845 #endif 846