1 /* 2 em28xx.h - driver for Empia EM2800/EM2820/2840 USB video capture devices 3 4 Copyright (C) 2005 Markus Rechberger <mrechberger@gmail.com> 5 Ludovico Cavedon <cavedon@sssup.it> 6 Mauro Carvalho Chehab <mchehab@infradead.org> 7 Copyright (C) 2012 Frank Schäfer <fschaefer.oss@googlemail.com> 8 9 Based on the em2800 driver from Sascha Sommer <saschasommer@freenet.de> 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24 */ 25 26 #ifndef _EM28XX_H 27 #define _EM28XX_H 28 29 #include <linux/workqueue.h> 30 #include <linux/i2c.h> 31 #include <linux/mutex.h> 32 #include <linux/videodev2.h> 33 34 #include <media/videobuf2-vmalloc.h> 35 #include <media/v4l2-device.h> 36 #include <media/v4l2-ctrls.h> 37 #include <media/v4l2-fh.h> 38 #include <media/ir-kbd-i2c.h> 39 #include <media/rc-core.h> 40 #include "tuner-xc2028.h" 41 #include "xc5000.h" 42 #include "em28xx-reg.h" 43 44 /* Boards supported by driver */ 45 #define EM2800_BOARD_UNKNOWN 0 46 #define EM2820_BOARD_UNKNOWN 1 47 #define EM2820_BOARD_TERRATEC_CINERGY_250 2 48 #define EM2820_BOARD_PINNACLE_USB_2 3 49 #define EM2820_BOARD_HAUPPAUGE_WINTV_USB_2 4 50 #define EM2820_BOARD_MSI_VOX_USB_2 5 51 #define EM2800_BOARD_TERRATEC_CINERGY_200 6 52 #define EM2800_BOARD_LEADTEK_WINFAST_USBII 7 53 #define EM2800_BOARD_KWORLD_USB2800 8 54 #define EM2820_BOARD_PINNACLE_DVC_90 9 55 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900 10 56 #define EM2880_BOARD_TERRATEC_HYBRID_XS 11 57 #define EM2820_BOARD_KWORLD_PVRTV2800RF 12 58 #define EM2880_BOARD_TERRATEC_PRODIGY_XS 13 59 #define EM2820_BOARD_PROLINK_PLAYTV_USB2 14 60 #define EM2800_BOARD_VGEAR_POCKETTV 15 61 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950 16 62 #define EM2880_BOARD_PINNACLE_PCTV_HD_PRO 17 63 #define EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2 18 64 #define EM2860_BOARD_SAA711X_REFERENCE_DESIGN 19 65 #define EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600 20 66 #define EM2800_BOARD_GRABBEEX_USB2800 21 67 #define EM2750_BOARD_UNKNOWN 22 68 #define EM2750_BOARD_DLCW_130 23 69 #define EM2820_BOARD_DLINK_USB_TV 24 70 #define EM2820_BOARD_GADMEI_UTV310 25 71 #define EM2820_BOARD_HERCULES_SMART_TV_USB2 26 72 #define EM2820_BOARD_PINNACLE_USB_2_FM1216ME 27 73 #define EM2820_BOARD_LEADTEK_WINFAST_USBII_DELUXE 28 74 #define EM2860_BOARD_TVP5150_REFERENCE_DESIGN 29 75 #define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30 76 #define EM2821_BOARD_USBGEAR_VD204 31 77 #define EM2821_BOARD_SUPERCOMP_USB_2 32 78 #define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33 79 #define EM2860_BOARD_TERRATEC_HYBRID_XS 34 80 #define EM2860_BOARD_TYPHOON_DVD_MAKER 35 81 #define EM2860_BOARD_NETGMBH_CAM 36 82 #define EM2860_BOARD_GADMEI_UTV330 37 83 #define EM2861_BOARD_YAKUMO_MOVIE_MIXER 38 84 #define EM2861_BOARD_KWORLD_PVRTV_300U 39 85 #define EM2861_BOARD_PLEXTOR_PX_TV100U 40 86 #define EM2870_BOARD_KWORLD_350U 41 87 #define EM2870_BOARD_KWORLD_355U 42 88 #define EM2870_BOARD_TERRATEC_XS 43 89 #define EM2870_BOARD_TERRATEC_XS_MT2060 44 90 #define EM2870_BOARD_PINNACLE_PCTV_DVB 45 91 #define EM2870_BOARD_COMPRO_VIDEOMATE 46 92 #define EM2880_BOARD_KWORLD_DVB_305U 47 93 #define EM2880_BOARD_KWORLD_DVB_310U 48 94 #define EM2880_BOARD_MSI_DIGIVOX_AD 49 95 #define EM2880_BOARD_MSI_DIGIVOX_AD_II 50 96 #define EM2880_BOARD_TERRATEC_HYBRID_XS_FR 51 97 #define EM2881_BOARD_DNT_DA2_HYBRID 52 98 #define EM2881_BOARD_PINNACLE_HYBRID_PRO 53 99 #define EM2882_BOARD_KWORLD_VS_DVBT 54 100 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 101 #define EM2882_BOARD_PINNACLE_HYBRID_PRO_330E 56 102 #define EM2883_BOARD_KWORLD_HYBRID_330U 57 103 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 104 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 105 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 106 #define EM2820_BOARD_GADMEI_TVR200 62 107 #define EM2860_BOARD_KAIOMY_TVNPC_U2 63 108 #define EM2860_BOARD_EASYCAP 64 109 #define EM2820_BOARD_IODATA_GVMVP_SZ 65 110 #define EM2880_BOARD_EMPIRE_DUAL_TV 66 111 #define EM2860_BOARD_TERRATEC_GRABBY 67 112 #define EM2860_BOARD_TERRATEC_AV350 68 113 #define EM2882_BOARD_KWORLD_ATSC_315U 69 114 #define EM2882_BOARD_EVGA_INDTUBE 70 115 #define EM2820_BOARD_SILVERCREST_WEBCAM 71 116 #define EM2861_BOARD_GADMEI_UTV330PLUS 72 117 #define EM2870_BOARD_REDDO_DVB_C_USB_BOX 73 118 #define EM2800_BOARD_VC211A 74 119 #define EM2882_BOARD_DIKOM_DK300 75 120 #define EM2870_BOARD_KWORLD_A340 76 121 #define EM2874_BOARD_LEADERSHIP_ISDBT 77 122 #define EM28174_BOARD_PCTV_290E 78 123 #define EM2884_BOARD_TERRATEC_H5 79 124 #define EM28174_BOARD_PCTV_460E 80 125 #define EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C 81 126 #define EM2884_BOARD_CINERGY_HTC_STICK 82 127 #define EM2860_BOARD_HT_VIDBOX_NW03 83 128 #define EM2874_BOARD_MAXMEDIA_UB425_TC 84 129 #define EM2884_BOARD_PCTV_510E 85 130 #define EM2884_BOARD_PCTV_520E 86 131 #define EM2884_BOARD_TERRATEC_HTC_USB_XS 87 132 #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 133 134 /* Limits minimum and default number of buffers */ 135 #define EM28XX_MIN_BUF 4 136 #define EM28XX_DEF_BUF 8 137 138 /*Limits the max URB message size */ 139 #define URB_MAX_CTRL_SIZE 80 140 141 /* Params for validated field */ 142 #define EM28XX_BOARD_NOT_VALIDATED 1 143 #define EM28XX_BOARD_VALIDATED 0 144 145 /* Params for em28xx_cmd() audio */ 146 #define EM28XX_START_AUDIO 1 147 #define EM28XX_STOP_AUDIO 0 148 149 /* maximum number of em28xx boards */ 150 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */ 151 152 /* maximum number of frames that can be queued */ 153 #define EM28XX_NUM_FRAMES 5 154 /* number of frames that get used for v4l2_read() */ 155 #define EM28XX_NUM_READ_FRAMES 2 156 157 /* number of buffers for isoc transfers */ 158 #define EM28XX_NUM_BUFS 5 159 #define EM28XX_DVB_NUM_BUFS 5 160 161 /* max number of I2C buses on em28xx devices */ 162 #define NUM_I2C_BUSES 2 163 164 /* isoc transfers: number of packets for each buffer 165 windows requests only 64 packets .. so we better do the same 166 this is what I found out for all alternate numbers there! 167 */ 168 #define EM28XX_NUM_ISOC_PACKETS 64 169 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 170 171 /* bulk transfers: transfer buffer size = packet size * packet multiplier 172 USB 2.0 spec says bulk packet size is always 512 bytes 173 */ 174 #define EM28XX_BULK_PACKET_MULTIPLIER 384 175 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 384 176 177 #define EM28XX_INTERLACED_DEFAULT 1 178 179 /* time in msecs to wait for i2c writes to finish */ 180 #define EM2800_I2C_XFER_TIMEOUT 20 181 182 enum em28xx_mode { 183 EM28XX_SUSPEND, 184 EM28XX_ANALOG_MODE, 185 EM28XX_DIGITAL_MODE, 186 }; 187 188 189 struct em28xx; 190 191 struct em28xx_usb_bufs { 192 /* max packet size of isoc transaction */ 193 int max_pkt_size; 194 195 /* number of packets in each buffer */ 196 int num_packets; 197 198 /* number of allocated urbs */ 199 int num_bufs; 200 201 /* urb for isoc/bulk transfers */ 202 struct urb **urb; 203 204 /* transfer buffers for isoc/bulk transfer */ 205 char **transfer_buffer; 206 }; 207 208 struct em28xx_usb_ctl { 209 /* isoc/bulk transfer buffers for analog mode */ 210 struct em28xx_usb_bufs analog_bufs; 211 212 /* isoc/bulk transfer buffers for digital mode */ 213 struct em28xx_usb_bufs digital_bufs; 214 215 /* Stores already requested buffers */ 216 struct em28xx_buffer *vid_buf; 217 struct em28xx_buffer *vbi_buf; 218 219 /* copy data from URB */ 220 int (*urb_data_copy) (struct em28xx *dev, struct urb *urb); 221 222 }; 223 224 /* Struct to enumberate video formats */ 225 struct em28xx_fmt { 226 char *name; 227 u32 fourcc; /* v4l2 format id */ 228 int depth; 229 int reg; 230 }; 231 232 /* buffer for one video frame */ 233 struct em28xx_buffer { 234 /* common v4l buffer stuff -- must be first */ 235 struct vb2_buffer vb; 236 struct list_head list; 237 238 void *mem; 239 unsigned int length; 240 int top_field; 241 242 /* counter to control buffer fill */ 243 unsigned int pos; 244 /* NOTE; in interlaced mode, this value is reset to zero at 245 * the start of each new field (not frame !) */ 246 247 /* pointer to vmalloc memory address in vb */ 248 char *vb_buf; 249 }; 250 251 struct em28xx_dmaqueue { 252 struct list_head active; 253 254 wait_queue_head_t wq; 255 }; 256 257 /* inputs */ 258 259 #define MAX_EM28XX_INPUT 4 260 enum enum28xx_itype { 261 EM28XX_VMUX_COMPOSITE1 = 1, 262 EM28XX_VMUX_COMPOSITE2, 263 EM28XX_VMUX_COMPOSITE3, 264 EM28XX_VMUX_COMPOSITE4, 265 EM28XX_VMUX_SVIDEO, 266 EM28XX_VMUX_TELEVISION, 267 EM28XX_VMUX_CABLE, 268 EM28XX_VMUX_DVB, 269 EM28XX_VMUX_DEBUG, 270 EM28XX_RADIO, 271 }; 272 273 enum em28xx_ac97_mode { 274 EM28XX_NO_AC97 = 0, 275 EM28XX_AC97_EM202, 276 EM28XX_AC97_SIGMATEL, 277 EM28XX_AC97_OTHER, 278 }; 279 280 struct em28xx_audio_mode { 281 enum em28xx_ac97_mode ac97; 282 283 u16 ac97_feat; 284 u32 ac97_vendor_id; 285 286 unsigned int has_audio:1; 287 288 unsigned int i2s_3rates:1; 289 unsigned int i2s_5rates:1; 290 }; 291 292 /* em28xx has two audio inputs: tuner and line in. 293 However, on most devices, an auxiliary AC97 codec device is used. 294 The AC97 device may have several different inputs and outputs, 295 depending on their model. So, it is possible to use AC97 mixer to 296 address more than two different entries. 297 */ 298 enum em28xx_amux { 299 /* This is the only entry for em28xx tuner input */ 300 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */ 301 302 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */ 303 304 /* Some less-common mixer setups */ 305 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */ 306 EM28XX_AMUX_PHONE, 307 EM28XX_AMUX_MIC, 308 EM28XX_AMUX_CD, 309 EM28XX_AMUX_AUX, 310 EM28XX_AMUX_PCM_OUT, 311 }; 312 313 enum em28xx_aout { 314 /* AC97 outputs */ 315 EM28XX_AOUT_MASTER = 1 << 0, 316 EM28XX_AOUT_LINE = 1 << 1, 317 EM28XX_AOUT_MONO = 1 << 2, 318 EM28XX_AOUT_LFE = 1 << 3, 319 EM28XX_AOUT_SURR = 1 << 4, 320 321 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ 322 EM28XX_AOUT_PCM_IN = 1 << 7, 323 324 /* Bits 10-8 are used to indicate the PCM IN record select */ 325 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, 326 EM28XX_AOUT_PCM_CD = 1 << 8, 327 EM28XX_AOUT_PCM_VIDEO = 2 << 8, 328 EM28XX_AOUT_PCM_AUX = 3 << 8, 329 EM28XX_AOUT_PCM_LINE = 4 << 8, 330 EM28XX_AOUT_PCM_STEREO = 5 << 8, 331 EM28XX_AOUT_PCM_MONO = 6 << 8, 332 EM28XX_AOUT_PCM_PHONE = 7 << 8, 333 }; 334 335 static inline int ac97_return_record_select(int a_out) 336 { 337 return (a_out & 0x700) >> 8; 338 } 339 340 struct em28xx_reg_seq { 341 int reg; 342 unsigned char val, mask; 343 int sleep; 344 }; 345 346 struct em28xx_input { 347 enum enum28xx_itype type; 348 unsigned int vmux; 349 enum em28xx_amux amux; 350 enum em28xx_aout aout; 351 struct em28xx_reg_seq *gpio; 352 }; 353 354 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) 355 356 enum em28xx_decoder { 357 EM28XX_NODECODER = 0, 358 EM28XX_TVP5150, 359 EM28XX_SAA711X, 360 }; 361 362 enum em28xx_sensor { 363 EM28XX_NOSENSOR = 0, 364 EM28XX_MT9V011, 365 EM28XX_MT9M001, 366 EM28XX_MT9M111, 367 EM28XX_OV2640, 368 }; 369 370 enum em28xx_adecoder { 371 EM28XX_NOADECODER = 0, 372 EM28XX_TVAUDIO, 373 }; 374 375 struct em28xx_board { 376 char *name; 377 int vchannels; 378 int tuner_type; 379 int tuner_addr; 380 unsigned def_i2c_bus; /* Default I2C bus */ 381 382 /* i2c flags */ 383 unsigned int tda9887_conf; 384 385 /* GPIO sequences */ 386 struct em28xx_reg_seq *dvb_gpio; 387 struct em28xx_reg_seq *suspend_gpio; 388 struct em28xx_reg_seq *tuner_gpio; 389 struct em28xx_reg_seq *mute_gpio; 390 391 unsigned int is_em2800:1; 392 unsigned int has_msp34xx:1; 393 unsigned int mts_firmware:1; 394 unsigned int max_range_640_480:1; 395 unsigned int has_dvb:1; 396 unsigned int has_snapshot_button:1; 397 unsigned int is_webcam:1; 398 unsigned int valid:1; 399 unsigned int has_ir_i2c:1; 400 401 unsigned char xclk, i2c_speed; 402 unsigned char radio_addr; 403 unsigned short tvaudio_addr; 404 405 enum em28xx_decoder decoder; 406 enum em28xx_adecoder adecoder; 407 408 struct em28xx_input input[MAX_EM28XX_INPUT]; 409 struct em28xx_input radio; 410 char *ir_codes; 411 }; 412 413 struct em28xx_eeprom { 414 u8 id[4]; /* 1a eb 67 95 */ 415 __le16 vendor_ID; 416 __le16 product_ID; 417 418 __le16 chip_conf; 419 420 __le16 board_conf; 421 422 __le16 string1, string2, string3; 423 424 u8 string_idx_table; 425 }; 426 427 #define EM28XX_AUDIO_BUFS 5 428 #define EM28XX_NUM_AUDIO_PACKETS 64 429 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */ 430 #define EM28XX_CAPTURE_STREAM_EN 1 431 432 /* em28xx extensions */ 433 #define EM28XX_AUDIO 0x10 434 #define EM28XX_DVB 0x20 435 #define EM28XX_RC 0x30 436 437 /* em28xx resource types (used for res_get/res_lock etc */ 438 #define EM28XX_RESOURCE_VIDEO 0x01 439 #define EM28XX_RESOURCE_VBI 0x02 440 441 struct em28xx_audio { 442 char name[50]; 443 char *transfer_buffer[EM28XX_AUDIO_BUFS]; 444 struct urb *urb[EM28XX_AUDIO_BUFS]; 445 struct usb_device *udev; 446 unsigned int capture_transfer_done; 447 struct snd_pcm_substream *capture_pcm_substream; 448 449 unsigned int hwptr_done_capture; 450 struct snd_card *sndcard; 451 452 int users; 453 spinlock_t slock; 454 }; 455 456 struct em28xx; 457 458 struct em28xx_fh { 459 struct v4l2_fh fh; 460 struct em28xx *dev; 461 462 enum v4l2_buf_type type; 463 }; 464 465 enum em28xx_i2c_algo_type { 466 EM28XX_I2C_ALGO_EM28XX = 0, 467 EM28XX_I2C_ALGO_EM2800, 468 EM28XX_I2C_ALGO_EM25XX_BUS_B, 469 }; 470 471 struct em28xx_i2c_bus { 472 struct em28xx *dev; 473 474 unsigned bus; 475 enum em28xx_i2c_algo_type algo_type; 476 }; 477 478 479 /* main device struct */ 480 struct em28xx { 481 /* generic device properties */ 482 char name[30]; /* name (including minor) of the device */ 483 int model; /* index in the device_data struct */ 484 int devno; /* marks the number of this device */ 485 enum em28xx_chip_id chip_id; 486 unsigned int is_em25xx:1; /* em25xx/em276x/7x/8x family bridge */ 487 488 unsigned char disconnected:1; /* device has been diconnected */ 489 490 int audio_ifnum; 491 492 struct v4l2_device v4l2_dev; 493 struct v4l2_ctrl_handler ctrl_handler; 494 struct em28xx_board board; 495 496 /* Webcam specific fields */ 497 enum em28xx_sensor em28xx_sensor; 498 int sensor_xres, sensor_yres; 499 int sensor_xtal; 500 501 /* Progressive (non-interlaced) mode */ 502 int progressive; 503 504 /* Vinmode/Vinctl used at the driver */ 505 int vinmode, vinctl; 506 507 unsigned int has_audio_class:1; 508 unsigned int has_alsa_audio:1; 509 unsigned int is_audio_only:1; 510 511 /* Controls audio streaming */ 512 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ 513 atomic_t stream_started; /* stream should be running if true */ 514 515 struct em28xx_fmt *format; 516 517 struct em28xx_IR *ir; 518 519 /* Some older em28xx chips needs a waiting time after writing */ 520 unsigned int wait_after_write; 521 522 struct list_head devlist; 523 524 u32 i2s_speed; /* I2S speed for audio digital stream */ 525 526 struct em28xx_audio_mode audio_mode; 527 528 int tuner_type; /* type of the tuner */ 529 int tuner_addr; /* tuner address */ 530 int tda9887_conf; 531 532 /* i2c i/o */ 533 struct i2c_adapter i2c_adap[NUM_I2C_BUSES]; 534 struct i2c_client i2c_client[NUM_I2C_BUSES]; 535 struct em28xx_i2c_bus i2c_bus[NUM_I2C_BUSES]; 536 537 unsigned char eeprom_addrwidth_16bit:1; 538 unsigned def_i2c_bus; /* Default I2C bus */ 539 unsigned cur_i2c_bus; /* Current I2C bus */ 540 struct rt_mutex i2c_bus_lock; 541 542 /* video for linux */ 543 int users; /* user count for exclusive use */ 544 int streaming_users; /* Number of actively streaming users */ 545 struct video_device *vdev; /* video for linux device struct */ 546 v4l2_std_id norm; /* selected tv norm */ 547 int ctl_freq; /* selected frequency */ 548 unsigned int ctl_input; /* selected input */ 549 unsigned int ctl_ainput;/* selected audio input */ 550 unsigned int ctl_aoutput;/* selected audio output */ 551 int mute; 552 int volume; 553 /* frame properties */ 554 int width; /* current frame width */ 555 int height; /* current frame height */ 556 unsigned hscale; /* horizontal scale factor (see datasheet) */ 557 unsigned vscale; /* vertical scale factor (see datasheet) */ 558 int interlaced; /* 1=interlace fileds, 0=just top fileds */ 559 unsigned int video_bytesread; /* Number of bytes read */ 560 561 unsigned long hash; /* eeprom hash - for boards with generic ID */ 562 unsigned long i2c_hash; /* i2c devicelist hash - 563 for boards with generic ID */ 564 565 struct em28xx_audio adev; 566 567 /* capture state tracking */ 568 int capture_type; 569 unsigned char top_field:1; 570 int vbi_read; 571 unsigned int vbi_width; 572 unsigned int vbi_height; /* lines per field */ 573 574 struct work_struct request_module_wk; 575 576 /* locks */ 577 struct mutex lock; 578 struct mutex ctrl_urb_lock; /* protects urb_buf */ 579 /* spinlock_t queue_lock; */ 580 struct list_head inqueue, outqueue; 581 struct video_device *vbi_dev; 582 struct video_device *radio_dev; 583 584 /* Videobuf2 */ 585 struct vb2_queue vb_vidq; 586 struct vb2_queue vb_vbiq; 587 struct mutex vb_queue_lock; 588 struct mutex vb_vbi_queue_lock; 589 590 /* resources in use */ 591 unsigned int resources; 592 593 /* eeprom content */ 594 u8 *eedata; 595 u16 eedata_len; 596 597 /* Isoc control struct */ 598 struct em28xx_dmaqueue vidq; 599 struct em28xx_dmaqueue vbiq; 600 struct em28xx_usb_ctl usb_ctl; 601 spinlock_t slock; 602 603 unsigned int field_count; 604 unsigned int vbi_field_count; 605 606 /* usb transfer */ 607 struct usb_device *udev; /* the usb device */ 608 u8 analog_ep_isoc; /* address of isoc endpoint for analog */ 609 u8 analog_ep_bulk; /* address of bulk endpoint for analog */ 610 u8 dvb_ep_isoc; /* address of isoc endpoint for DVB */ 611 u8 dvb_ep_bulk; /* address of bulk endpoint for DVB */ 612 int alt; /* alternate setting */ 613 int max_pkt_size; /* max packet size of the selected ep at alt */ 614 int packet_multiplier; /* multiplier for wMaxPacketSize, used for 615 URB buffer size definition */ 616 int num_alt; /* number of alternative settings */ 617 unsigned int *alt_max_pkt_size_isoc; /* array of isoc wMaxPacketSize */ 618 unsigned int analog_xfer_bulk:1; /* use bulk instead of isoc 619 transfers for analog */ 620 int dvb_alt_isoc; /* alternate setting for DVB isoc transfers */ 621 unsigned int dvb_max_pkt_size_isoc; /* isoc max packet size of the 622 selected DVB ep at dvb_alt */ 623 unsigned int dvb_xfer_bulk:1; /* use bulk instead of isoc 624 transfers for DVB */ 625 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */ 626 627 /* helper funcs that call usb_control_msg */ 628 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg, 629 char *buf, int len); 630 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg); 631 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg, 632 char *buf, int len); 633 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg, 634 char *buf, int len); 635 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg); 636 637 enum em28xx_mode mode; 638 639 /* register numbers for GPO/GPIO registers */ 640 u16 reg_gpo_num, reg_gpio_num; 641 642 /* Caches GPO and GPIO registers */ 643 unsigned char reg_gpo, reg_gpio; 644 645 /* Snapshot button */ 646 char snapshot_button_path[30]; /* path of the input dev */ 647 struct input_dev *sbutton_input_dev; 648 struct delayed_work sbutton_query_work; 649 650 struct em28xx_dvb *dvb; 651 }; 652 653 struct em28xx_ops { 654 struct list_head next; 655 char *name; 656 int id; 657 int (*init)(struct em28xx *); 658 int (*fini)(struct em28xx *); 659 }; 660 661 /* Provided by em28xx-i2c.c */ 662 void em28xx_do_i2c_scan(struct em28xx *dev, unsigned bus); 663 int em28xx_i2c_register(struct em28xx *dev, unsigned bus, 664 enum em28xx_i2c_algo_type algo_type); 665 int em28xx_i2c_unregister(struct em28xx *dev, unsigned bus); 666 667 /* Provided by em28xx-core.c */ 668 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, 669 char *buf, int len); 670 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); 671 int em28xx_read_reg(struct em28xx *dev, u16 reg); 672 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 673 int len); 674 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); 675 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); 676 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, 677 u8 bitmask); 678 679 int em28xx_read_ac97(struct em28xx *dev, u8 reg); 680 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); 681 682 int em28xx_audio_analog_set(struct em28xx *dev); 683 int em28xx_audio_setup(struct em28xx *dev); 684 685 int em28xx_colorlevels_set_default(struct em28xx *dev); 686 int em28xx_capture_start(struct em28xx *dev, int start); 687 int em28xx_vbi_supported(struct em28xx *dev); 688 int em28xx_set_outfmt(struct em28xx *dev); 689 int em28xx_resolution_set(struct em28xx *dev); 690 int em28xx_set_alternate(struct em28xx *dev); 691 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, 692 int num_bufs, int max_pkt_size, int packet_multiplier); 693 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, 694 int xfer_bulk, 695 int num_bufs, int max_pkt_size, int packet_multiplier, 696 int (*urb_data_copy) 697 (struct em28xx *dev, struct urb *urb)); 698 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); 699 void em28xx_stop_urbs(struct em28xx *dev); 700 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); 701 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio); 702 void em28xx_wake_i2c(struct em28xx *dev); 703 int em28xx_register_extension(struct em28xx_ops *dev); 704 void em28xx_unregister_extension(struct em28xx_ops *dev); 705 void em28xx_init_extension(struct em28xx *dev); 706 void em28xx_close_extension(struct em28xx *dev); 707 708 /* Provided by em28xx-video.c */ 709 int em28xx_vb2_setup(struct em28xx *dev); 710 int em28xx_register_analog_devices(struct em28xx *dev); 711 void em28xx_release_analog_resources(struct em28xx *dev); 712 void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv); 713 int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count); 714 int em28xx_stop_vbi_streaming(struct vb2_queue *vq); 715 extern const struct v4l2_ctrl_ops em28xx_ctrl_ops; 716 717 /* Provided by em28xx-cards.c */ 718 extern struct em28xx_board em28xx_boards[]; 719 extern struct usb_device_id em28xx_id_table[]; 720 int em28xx_tuner_callback(void *ptr, int component, int command, int arg); 721 void em28xx_release_resources(struct em28xx *dev); 722 723 /* Provided by em28xx-vbi.c */ 724 extern struct vb2_ops em28xx_vbi_qops; 725 726 /* Provided by em28xx-camera.c */ 727 int em28xx_detect_sensor(struct em28xx *dev); 728 int em28xx_init_camera(struct em28xx *dev); 729 730 /* printk macros */ 731 732 #define em28xx_err(fmt, arg...) do {\ 733 printk(KERN_ERR fmt , ##arg); } while (0) 734 735 #define em28xx_errdev(fmt, arg...) do {\ 736 printk(KERN_ERR "%s: "fmt,\ 737 dev->name , ##arg); } while (0) 738 739 #define em28xx_info(fmt, arg...) do {\ 740 printk(KERN_INFO "%s: "fmt,\ 741 dev->name , ##arg); } while (0) 742 #define em28xx_warn(fmt, arg...) do {\ 743 printk(KERN_WARNING "%s: "fmt,\ 744 dev->name , ##arg); } while (0) 745 746 static inline int em28xx_compression_disable(struct em28xx *dev) 747 { 748 /* side effect of disabling scaler and mixer */ 749 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00); 750 } 751 752 /*FIXME: maxw should be dependent of alt mode */ 753 static inline unsigned int norm_maxw(struct em28xx *dev) 754 { 755 if (dev->board.is_webcam) 756 return dev->sensor_xres; 757 758 if (dev->board.max_range_640_480) 759 return 640; 760 761 return 720; 762 } 763 764 static inline unsigned int norm_maxh(struct em28xx *dev) 765 { 766 if (dev->board.is_webcam) 767 return dev->sensor_yres; 768 769 if (dev->board.max_range_640_480) 770 return 480; 771 772 return (dev->norm & V4L2_STD_625_50) ? 576 : 480; 773 } 774 #endif 775