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 87 132 133 /* Limits minimum and default number of buffers */ 134 #define EM28XX_MIN_BUF 4 135 #define EM28XX_DEF_BUF 8 136 137 /*Limits the max URB message size */ 138 #define URB_MAX_CTRL_SIZE 80 139 140 /* Params for validated field */ 141 #define EM28XX_BOARD_NOT_VALIDATED 1 142 #define EM28XX_BOARD_VALIDATED 0 143 144 /* Params for em28xx_cmd() audio */ 145 #define EM28XX_START_AUDIO 1 146 #define EM28XX_STOP_AUDIO 0 147 148 /* maximum number of em28xx boards */ 149 #define EM28XX_MAXBOARDS 4 /*FIXME: should be bigger */ 150 151 /* maximum number of frames that can be queued */ 152 #define EM28XX_NUM_FRAMES 5 153 /* number of frames that get used for v4l2_read() */ 154 #define EM28XX_NUM_READ_FRAMES 2 155 156 /* number of buffers for isoc transfers */ 157 #define EM28XX_NUM_BUFS 5 158 #define EM28XX_DVB_NUM_BUFS 5 159 160 /* isoc transfers: number of packets for each buffer 161 windows requests only 64 packets .. so we better do the same 162 this is what I found out for all alternate numbers there! 163 */ 164 #define EM28XX_NUM_ISOC_PACKETS 64 165 #define EM28XX_DVB_NUM_ISOC_PACKETS 64 166 167 /* bulk transfers: transfer buffer size = packet size * packet multiplier 168 USB 2.0 spec says bulk packet size is always 512 bytes 169 */ 170 #define EM28XX_BULK_PACKET_MULTIPLIER 384 171 #define EM28XX_DVB_BULK_PACKET_MULTIPLIER 384 172 173 #define EM28XX_INTERLACED_DEFAULT 1 174 175 /* 176 #define (use usbview if you want to get the other alternate number infos) 177 #define 178 #define alternate number 2 179 #define Endpoint Address: 82 180 Direction: in 181 Attribute: 1 182 Type: Isoc 183 Max Packet Size: 1448 184 Interval: 125us 185 186 alternate number 7 187 188 Endpoint Address: 82 189 Direction: in 190 Attribute: 1 191 Type: Isoc 192 Max Packet Size: 3072 193 Interval: 125us 194 */ 195 196 /* time in msecs to wait for i2c writes to finish */ 197 #define EM2800_I2C_XFER_TIMEOUT 20 198 199 enum em28xx_mode { 200 EM28XX_SUSPEND, 201 EM28XX_ANALOG_MODE, 202 EM28XX_DIGITAL_MODE, 203 }; 204 205 206 struct em28xx; 207 208 struct em28xx_usb_bufs { 209 /* max packet size of isoc transaction */ 210 int max_pkt_size; 211 212 /* number of packets in each buffer */ 213 int num_packets; 214 215 /* number of allocated urbs */ 216 int num_bufs; 217 218 /* urb for isoc/bulk transfers */ 219 struct urb **urb; 220 221 /* transfer buffers for isoc/bulk transfer */ 222 char **transfer_buffer; 223 }; 224 225 struct em28xx_usb_ctl { 226 /* isoc/bulk transfer buffers for analog mode */ 227 struct em28xx_usb_bufs analog_bufs; 228 229 /* isoc/bulk transfer buffers for digital mode */ 230 struct em28xx_usb_bufs digital_bufs; 231 232 /* Stores already requested buffers */ 233 struct em28xx_buffer *vid_buf; 234 struct em28xx_buffer *vbi_buf; 235 236 /* copy data from URB */ 237 int (*urb_data_copy) (struct em28xx *dev, struct urb *urb); 238 239 }; 240 241 /* Struct to enumberate video formats */ 242 struct em28xx_fmt { 243 char *name; 244 u32 fourcc; /* v4l2 format id */ 245 int depth; 246 int reg; 247 }; 248 249 /* buffer for one video frame */ 250 struct em28xx_buffer { 251 /* common v4l buffer stuff -- must be first */ 252 struct vb2_buffer vb; 253 struct list_head list; 254 255 void *mem; 256 unsigned int length; 257 int top_field; 258 259 /* counter to control buffer fill */ 260 unsigned int pos; 261 /* NOTE; in interlaced mode, this value is reset to zero at 262 * the start of each new field (not frame !) */ 263 264 /* pointer to vmalloc memory address in vb */ 265 char *vb_buf; 266 }; 267 268 struct em28xx_dmaqueue { 269 struct list_head active; 270 271 wait_queue_head_t wq; 272 }; 273 274 /* inputs */ 275 276 #define MAX_EM28XX_INPUT 4 277 enum enum28xx_itype { 278 EM28XX_VMUX_COMPOSITE1 = 1, 279 EM28XX_VMUX_COMPOSITE2, 280 EM28XX_VMUX_COMPOSITE3, 281 EM28XX_VMUX_COMPOSITE4, 282 EM28XX_VMUX_SVIDEO, 283 EM28XX_VMUX_TELEVISION, 284 EM28XX_VMUX_CABLE, 285 EM28XX_VMUX_DVB, 286 EM28XX_VMUX_DEBUG, 287 EM28XX_RADIO, 288 }; 289 290 enum em28xx_ac97_mode { 291 EM28XX_NO_AC97 = 0, 292 EM28XX_AC97_EM202, 293 EM28XX_AC97_SIGMATEL, 294 EM28XX_AC97_OTHER, 295 }; 296 297 struct em28xx_audio_mode { 298 enum em28xx_ac97_mode ac97; 299 300 u16 ac97_feat; 301 u32 ac97_vendor_id; 302 303 unsigned int has_audio:1; 304 305 unsigned int i2s_3rates:1; 306 unsigned int i2s_5rates:1; 307 }; 308 309 /* em28xx has two audio inputs: tuner and line in. 310 However, on most devices, an auxiliary AC97 codec device is used. 311 The AC97 device may have several different inputs and outputs, 312 depending on their model. So, it is possible to use AC97 mixer to 313 address more than two different entries. 314 */ 315 enum em28xx_amux { 316 /* This is the only entry for em28xx tuner input */ 317 EM28XX_AMUX_VIDEO, /* em28xx tuner, AC97 mixer Video */ 318 319 EM28XX_AMUX_LINE_IN, /* AC97 mixer Line In */ 320 321 /* Some less-common mixer setups */ 322 EM28XX_AMUX_VIDEO2, /* em28xx Line in, AC97 mixer Video */ 323 EM28XX_AMUX_PHONE, 324 EM28XX_AMUX_MIC, 325 EM28XX_AMUX_CD, 326 EM28XX_AMUX_AUX, 327 EM28XX_AMUX_PCM_OUT, 328 }; 329 330 enum em28xx_aout { 331 /* AC97 outputs */ 332 EM28XX_AOUT_MASTER = 1 << 0, 333 EM28XX_AOUT_LINE = 1 << 1, 334 EM28XX_AOUT_MONO = 1 << 2, 335 EM28XX_AOUT_LFE = 1 << 3, 336 EM28XX_AOUT_SURR = 1 << 4, 337 338 /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ 339 EM28XX_AOUT_PCM_IN = 1 << 7, 340 341 /* Bits 10-8 are used to indicate the PCM IN record select */ 342 EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, 343 EM28XX_AOUT_PCM_CD = 1 << 8, 344 EM28XX_AOUT_PCM_VIDEO = 2 << 8, 345 EM28XX_AOUT_PCM_AUX = 3 << 8, 346 EM28XX_AOUT_PCM_LINE = 4 << 8, 347 EM28XX_AOUT_PCM_STEREO = 5 << 8, 348 EM28XX_AOUT_PCM_MONO = 6 << 8, 349 EM28XX_AOUT_PCM_PHONE = 7 << 8, 350 }; 351 352 static inline int ac97_return_record_select(int a_out) 353 { 354 return (a_out & 0x700) >> 8; 355 } 356 357 struct em28xx_reg_seq { 358 int reg; 359 unsigned char val, mask; 360 int sleep; 361 }; 362 363 struct em28xx_input { 364 enum enum28xx_itype type; 365 unsigned int vmux; 366 enum em28xx_amux amux; 367 enum em28xx_aout aout; 368 struct em28xx_reg_seq *gpio; 369 }; 370 371 #define INPUT(nr) (&em28xx_boards[dev->model].input[nr]) 372 373 enum em28xx_decoder { 374 EM28XX_NODECODER = 0, 375 EM28XX_TVP5150, 376 EM28XX_SAA711X, 377 }; 378 379 enum em28xx_sensor { 380 EM28XX_NOSENSOR = 0, 381 EM28XX_MT9V011, 382 EM28XX_MT9M001, 383 EM28XX_MT9M111, 384 }; 385 386 enum em28xx_adecoder { 387 EM28XX_NOADECODER = 0, 388 EM28XX_TVAUDIO, 389 }; 390 391 struct em28xx_board { 392 char *name; 393 int vchannels; 394 int tuner_type; 395 int tuner_addr; 396 397 /* i2c flags */ 398 unsigned int tda9887_conf; 399 400 /* GPIO sequences */ 401 struct em28xx_reg_seq *dvb_gpio; 402 struct em28xx_reg_seq *suspend_gpio; 403 struct em28xx_reg_seq *tuner_gpio; 404 struct em28xx_reg_seq *mute_gpio; 405 406 unsigned int is_em2800:1; 407 unsigned int has_msp34xx:1; 408 unsigned int mts_firmware:1; 409 unsigned int max_range_640_480:1; 410 unsigned int has_dvb:1; 411 unsigned int has_snapshot_button:1; 412 unsigned int is_webcam:1; 413 unsigned int valid:1; 414 unsigned int has_ir_i2c:1; 415 416 unsigned char xclk, i2c_speed; 417 unsigned char radio_addr; 418 unsigned short tvaudio_addr; 419 420 enum em28xx_decoder decoder; 421 enum em28xx_adecoder adecoder; 422 423 struct em28xx_input input[MAX_EM28XX_INPUT]; 424 struct em28xx_input radio; 425 char *ir_codes; 426 }; 427 428 struct em28xx_eeprom { 429 u32 id; /* 0x9567eb1a */ 430 u16 vendor_ID; 431 u16 product_ID; 432 433 u16 chip_conf; 434 435 u16 board_conf; 436 437 u16 string1, string2, string3; 438 439 u8 string_idx_table; 440 }; 441 442 #define EM28XX_AUDIO_BUFS 5 443 #define EM28XX_NUM_AUDIO_PACKETS 64 444 #define EM28XX_AUDIO_MAX_PACKET_SIZE 196 /* static value */ 445 #define EM28XX_CAPTURE_STREAM_EN 1 446 447 /* em28xx extensions */ 448 #define EM28XX_AUDIO 0x10 449 #define EM28XX_DVB 0x20 450 #define EM28XX_RC 0x30 451 452 /* em28xx resource types (used for res_get/res_lock etc */ 453 #define EM28XX_RESOURCE_VIDEO 0x01 454 #define EM28XX_RESOURCE_VBI 0x02 455 456 struct em28xx_audio { 457 char name[50]; 458 char *transfer_buffer[EM28XX_AUDIO_BUFS]; 459 struct urb *urb[EM28XX_AUDIO_BUFS]; 460 struct usb_device *udev; 461 unsigned int capture_transfer_done; 462 struct snd_pcm_substream *capture_pcm_substream; 463 464 unsigned int hwptr_done_capture; 465 struct snd_card *sndcard; 466 467 int users; 468 spinlock_t slock; 469 }; 470 471 struct em28xx; 472 473 struct em28xx_fh { 474 struct v4l2_fh fh; 475 struct em28xx *dev; 476 477 enum v4l2_buf_type type; 478 }; 479 480 /* main device struct */ 481 struct em28xx { 482 /* generic device properties */ 483 char name[30]; /* name (including minor) of the device */ 484 int model; /* index in the device_data struct */ 485 int devno; /* marks the number of this device */ 486 enum em28xx_chip_id chip_id; 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 /* provides ac97 mute and volume overrides */ 495 struct v4l2_ctrl_handler ac97_ctrl_handler; 496 struct em28xx_board board; 497 498 /* Webcam specific fields */ 499 enum em28xx_sensor em28xx_sensor; 500 int sensor_xres, sensor_yres; 501 int sensor_xtal; 502 503 /* Progressive (non-interlaced) mode */ 504 int progressive; 505 506 /* Vinmode/Vinctl used at the driver */ 507 int vinmode, vinctl; 508 509 unsigned int has_audio_class:1; 510 unsigned int has_alsa_audio:1; 511 unsigned int is_audio_only:1; 512 513 /* Controls audio streaming */ 514 struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ 515 atomic_t stream_started; /* stream should be running if true */ 516 517 struct em28xx_fmt *format; 518 519 struct em28xx_IR *ir; 520 521 /* Some older em28xx chips needs a waiting time after writing */ 522 unsigned int wait_after_write; 523 524 struct list_head devlist; 525 526 u32 i2s_speed; /* I2S speed for audio digital stream */ 527 528 struct em28xx_audio_mode audio_mode; 529 530 int tuner_type; /* type of the tuner */ 531 int tuner_addr; /* tuner address */ 532 int tda9887_conf; 533 /* i2c i/o */ 534 struct i2c_adapter i2c_adap; 535 struct i2c_client i2c_client; 536 /* video for linux */ 537 int users; /* user count for exclusive use */ 538 int streaming_users; /* Number of actively streaming users */ 539 struct video_device *vdev; /* video for linux device struct */ 540 v4l2_std_id norm; /* selected tv norm */ 541 int ctl_freq; /* selected frequency */ 542 unsigned int ctl_input; /* selected input */ 543 unsigned int ctl_ainput;/* selected audio input */ 544 unsigned int ctl_aoutput;/* selected audio output */ 545 int mute; 546 int volume; 547 /* frame properties */ 548 int width; /* current frame width */ 549 int height; /* current frame height */ 550 unsigned hscale; /* horizontal scale factor (see datasheet) */ 551 unsigned vscale; /* vertical scale factor (see datasheet) */ 552 int interlaced; /* 1=interlace fileds, 0=just top fileds */ 553 unsigned int video_bytesread; /* Number of bytes read */ 554 555 unsigned long hash; /* eeprom hash - for boards with generic ID */ 556 unsigned long i2c_hash; /* i2c devicelist hash - 557 for boards with generic ID */ 558 559 struct em28xx_audio adev; 560 561 /* capture state tracking */ 562 int capture_type; 563 unsigned char top_field:1; 564 int vbi_read; 565 unsigned int vbi_width; 566 unsigned int vbi_height; /* lines per field */ 567 568 struct work_struct request_module_wk; 569 570 /* locks */ 571 struct mutex lock; 572 struct mutex ctrl_urb_lock; /* protects urb_buf */ 573 /* spinlock_t queue_lock; */ 574 struct list_head inqueue, outqueue; 575 struct video_device *vbi_dev; 576 struct video_device *radio_dev; 577 578 /* Videobuf2 */ 579 struct vb2_queue vb_vidq; 580 struct vb2_queue vb_vbiq; 581 struct mutex vb_queue_lock; 582 struct mutex vb_vbi_queue_lock; 583 584 /* resources in use */ 585 unsigned int resources; 586 587 unsigned char eedata[256]; 588 589 /* Isoc control struct */ 590 struct em28xx_dmaqueue vidq; 591 struct em28xx_dmaqueue vbiq; 592 struct em28xx_usb_ctl usb_ctl; 593 spinlock_t slock; 594 595 unsigned int field_count; 596 unsigned int vbi_field_count; 597 598 /* usb transfer */ 599 struct usb_device *udev; /* the usb device */ 600 u8 analog_ep_isoc; /* address of isoc endpoint for analog */ 601 u8 analog_ep_bulk; /* address of bulk endpoint for analog */ 602 u8 dvb_ep_isoc; /* address of isoc endpoint for DVB */ 603 u8 dvb_ep_bulk; /* address of bulk endpoint for DVC */ 604 int alt; /* alternate setting */ 605 int max_pkt_size; /* max packet size of the selected ep at alt */ 606 int packet_multiplier; /* multiplier for wMaxPacketSize, used for 607 URB buffer size definition */ 608 int num_alt; /* number of alternative settings */ 609 unsigned int *alt_max_pkt_size_isoc; /* array of isoc wMaxPacketSize */ 610 unsigned int analog_xfer_bulk:1; /* use bulk instead of isoc 611 transfers for analog */ 612 int dvb_alt_isoc; /* alternate setting for DVB isoc transfers */ 613 unsigned int dvb_max_pkt_size_isoc; /* isoc max packet size of the 614 selected DVB ep at dvb_alt */ 615 unsigned int dvb_xfer_bulk:1; /* use bulk instead of isoc 616 transfers for DVB */ 617 char urb_buf[URB_MAX_CTRL_SIZE]; /* urb control msg buffer */ 618 619 /* helper funcs that call usb_control_msg */ 620 int (*em28xx_write_regs) (struct em28xx *dev, u16 reg, 621 char *buf, int len); 622 int (*em28xx_read_reg) (struct em28xx *dev, u16 reg); 623 int (*em28xx_read_reg_req_len) (struct em28xx *dev, u8 req, u16 reg, 624 char *buf, int len); 625 int (*em28xx_write_regs_req) (struct em28xx *dev, u8 req, u16 reg, 626 char *buf, int len); 627 int (*em28xx_read_reg_req) (struct em28xx *dev, u8 req, u16 reg); 628 629 enum em28xx_mode mode; 630 631 /* register numbers for GPO/GPIO registers */ 632 u16 reg_gpo_num, reg_gpio_num; 633 634 /* Caches GPO and GPIO registers */ 635 unsigned char reg_gpo, reg_gpio; 636 637 /* Snapshot button */ 638 char snapshot_button_path[30]; /* path of the input dev */ 639 struct input_dev *sbutton_input_dev; 640 struct delayed_work sbutton_query_work; 641 642 struct em28xx_dvb *dvb; 643 }; 644 645 struct em28xx_ops { 646 struct list_head next; 647 char *name; 648 int id; 649 int (*init)(struct em28xx *); 650 int (*fini)(struct em28xx *); 651 }; 652 653 /* Provided by em28xx-i2c.c */ 654 void em28xx_do_i2c_scan(struct em28xx *dev); 655 int em28xx_i2c_register(struct em28xx *dev); 656 int em28xx_i2c_unregister(struct em28xx *dev); 657 658 /* Provided by em28xx-core.c */ 659 660 u32 em28xx_request_buffers(struct em28xx *dev, u32 count); 661 void em28xx_queue_unusedframes(struct em28xx *dev); 662 void em28xx_release_buffers(struct em28xx *dev); 663 664 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg, 665 char *buf, int len); 666 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg); 667 int em28xx_read_reg(struct em28xx *dev, u16 reg); 668 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 669 int len); 670 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); 671 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); 672 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, 673 u8 bitmask); 674 675 int em28xx_read_ac97(struct em28xx *dev, u8 reg); 676 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); 677 678 int em28xx_audio_analog_set(struct em28xx *dev); 679 int em28xx_audio_setup(struct em28xx *dev); 680 681 int em28xx_colorlevels_set_default(struct em28xx *dev); 682 int em28xx_capture_start(struct em28xx *dev, int start); 683 int em28xx_vbi_supported(struct em28xx *dev); 684 int em28xx_set_outfmt(struct em28xx *dev); 685 int em28xx_resolution_set(struct em28xx *dev); 686 int em28xx_set_alternate(struct em28xx *dev); 687 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk, 688 int num_bufs, int max_pkt_size, int packet_multiplier); 689 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode, 690 int xfer_bulk, 691 int num_bufs, int max_pkt_size, int packet_multiplier, 692 int (*urb_data_copy) 693 (struct em28xx *dev, struct urb *urb)); 694 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode); 695 void em28xx_stop_urbs(struct em28xx *dev); 696 int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev); 697 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode); 698 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio); 699 void em28xx_wake_i2c(struct em28xx *dev); 700 int em28xx_register_extension(struct em28xx_ops *dev); 701 void em28xx_unregister_extension(struct em28xx_ops *dev); 702 void em28xx_init_extension(struct em28xx *dev); 703 void em28xx_close_extension(struct em28xx *dev); 704 705 /* Provided by em28xx-video.c */ 706 int em28xx_vb2_setup(struct em28xx *dev); 707 int em28xx_register_analog_devices(struct em28xx *dev); 708 void em28xx_release_analog_resources(struct em28xx *dev); 709 void em28xx_ctrl_notify(struct v4l2_ctrl *ctrl, void *priv); 710 int em28xx_start_analog_streaming(struct vb2_queue *vq, unsigned int count); 711 int em28xx_stop_vbi_streaming(struct vb2_queue *vq); 712 extern const struct v4l2_ctrl_ops em28xx_ctrl_ops; 713 714 /* Provided by em28xx-cards.c */ 715 extern int em2800_variant_detect(struct usb_device *udev, int model); 716 extern struct em28xx_board em28xx_boards[]; 717 extern struct usb_device_id em28xx_id_table[]; 718 extern const unsigned int em28xx_bcount; 719 int em28xx_tuner_callback(void *ptr, int component, int command, int arg); 720 void em28xx_release_resources(struct em28xx *dev); 721 722 /* Provided by em28xx-vbi.c */ 723 extern struct vb2_ops em28xx_vbi_qops; 724 725 /* printk macros */ 726 727 #define em28xx_err(fmt, arg...) do {\ 728 printk(KERN_ERR fmt , ##arg); } while (0) 729 730 #define em28xx_errdev(fmt, arg...) do {\ 731 printk(KERN_ERR "%s: "fmt,\ 732 dev->name , ##arg); } while (0) 733 734 #define em28xx_info(fmt, arg...) do {\ 735 printk(KERN_INFO "%s: "fmt,\ 736 dev->name , ##arg); } while (0) 737 #define em28xx_warn(fmt, arg...) do {\ 738 printk(KERN_WARNING "%s: "fmt,\ 739 dev->name , ##arg); } while (0) 740 741 static inline int em28xx_compression_disable(struct em28xx *dev) 742 { 743 /* side effect of disabling scaler and mixer */ 744 return em28xx_write_reg(dev, EM28XX_R26_COMPR, 0x00); 745 } 746 747 static inline int em28xx_contrast_get(struct em28xx *dev) 748 { 749 return em28xx_read_reg(dev, EM28XX_R20_YGAIN) & 0x1f; 750 } 751 752 static inline int em28xx_brightness_get(struct em28xx *dev) 753 { 754 return em28xx_read_reg(dev, EM28XX_R21_YOFFSET); 755 } 756 757 static inline int em28xx_saturation_get(struct em28xx *dev) 758 { 759 return em28xx_read_reg(dev, EM28XX_R22_UVGAIN) & 0x1f; 760 } 761 762 static inline int em28xx_u_balance_get(struct em28xx *dev) 763 { 764 return em28xx_read_reg(dev, EM28XX_R23_UOFFSET); 765 } 766 767 static inline int em28xx_v_balance_get(struct em28xx *dev) 768 { 769 return em28xx_read_reg(dev, EM28XX_R24_VOFFSET); 770 } 771 772 static inline int em28xx_gamma_get(struct em28xx *dev) 773 { 774 return em28xx_read_reg(dev, EM28XX_R14_GAMMA) & 0x3f; 775 } 776 777 static inline int em28xx_contrast_set(struct em28xx *dev, s32 val) 778 { 779 u8 tmp = (u8) val; 780 return em28xx_write_regs(dev, EM28XX_R20_YGAIN, &tmp, 1); 781 } 782 783 static inline int em28xx_brightness_set(struct em28xx *dev, s32 val) 784 { 785 u8 tmp = (u8) val; 786 return em28xx_write_regs(dev, EM28XX_R21_YOFFSET, &tmp, 1); 787 } 788 789 static inline int em28xx_saturation_set(struct em28xx *dev, s32 val) 790 { 791 u8 tmp = (u8) val; 792 return em28xx_write_regs(dev, EM28XX_R22_UVGAIN, &tmp, 1); 793 } 794 795 static inline int em28xx_u_balance_set(struct em28xx *dev, s32 val) 796 { 797 u8 tmp = (u8) val; 798 return em28xx_write_regs(dev, EM28XX_R23_UOFFSET, &tmp, 1); 799 } 800 801 static inline int em28xx_v_balance_set(struct em28xx *dev, s32 val) 802 { 803 u8 tmp = (u8) val; 804 return em28xx_write_regs(dev, EM28XX_R24_VOFFSET, &tmp, 1); 805 } 806 807 static inline int em28xx_gamma_set(struct em28xx *dev, s32 val) 808 { 809 u8 tmp = (u8) val; 810 return em28xx_write_regs(dev, EM28XX_R14_GAMMA, &tmp, 1); 811 } 812 813 /*FIXME: maxw should be dependent of alt mode */ 814 static inline unsigned int norm_maxw(struct em28xx *dev) 815 { 816 if (dev->board.is_webcam) 817 return dev->sensor_xres; 818 819 if (dev->board.max_range_640_480) 820 return 640; 821 822 return 720; 823 } 824 825 static inline unsigned int norm_maxh(struct em28xx *dev) 826 { 827 if (dev->board.is_webcam) 828 return dev->sensor_yres; 829 830 if (dev->board.max_range_640_480) 831 return 480; 832 833 return (dev->norm & V4L2_STD_625_50) ? 576 : 480; 834 } 835 #endif 836