drivers/media/video/cx231xx/cx231xx.h

   1 /*
   2    cx231xx.h - driver for Conexant Cx23100/101/102 USB video capture devices
   3
   4    Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
   5         Based on em28xx driver
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #ifndef _CX231XX_H
  23 #define _CX231XX_H
  24
  25 #include <linux/videodev2.h>
  26 #include <media/videobuf-vmalloc.h>
  27
  28 #include <linux/i2c.h>
  29 #include <linux/i2c-algo-bit.h>
  30 #include <linux/mutex.h>
  31 #include <media/ir-kbd-i2c.h>
  32 #if defined(CONFIG_VIDEO_CX231XX_DVB) || defined(CONFIG_VIDEO_CX231XX_DVB_MODULE)
  33 #include <media/videobuf-dvb.h>
  34 #endif
  35
  36 #include "cx231xx-reg.h"
  37 #include "cx231xx-pcb-config.h"
  38 #include "cx231xx-conf-reg.h"
  39
  40 #define CX231XX_VERSION_CODE            KERNEL_VERSION(0, 1, 0)
  41 #define DRIVER_NAME                     "cx231xx"
  42 #define PWR_SLEEP_INTERVAL              5
  43
  44 /* I2C addresses for control block in Cx231xx */
  45 #define     Colibri_DEVICE_ADDRESS      0x60
  46 #define     Flatrion_DEVICE_ADDRESS     0x98
  47 #define     HAMMERHEAD_I2C_ADDRESS      0x88
  48 #define     DIF_USE_BASEBAND            0xFFFFFFFF
  49
  50 /* Boards supported by driver */
  51 #define CX231XX_BOARD_UNKNOWN               0
  52 #define CX231XX_BOARD_CNXT_RDE_250      1
  53 #define CX231XX_BOARD_CNXT_RDU_250      2
  54
  55 /* Limits minimum and default number of buffers */
  56 #define CX231XX_MIN_BUF                 4
  57 #define CX231XX_DEF_BUF                 12
  58 #define CX231XX_DEF_VBI_BUF             6
  59
  60 #define VBI_LINE_COUNT                  17
  61 #define VBI_LINE_LENGTH                 1440
  62
  63 /*Limits the max URB message size */
  64 #define URB_MAX_CTRL_SIZE               80
  65
  66 /* Params for validated field */
  67 #define CX231XX_BOARD_NOT_VALIDATED     1
  68 #define CX231XX_BOARD_VALIDATED         0
  69
  70 /* maximum number of cx231xx boards */
  71 #define CX231XX_MAXBOARDS               8
  72
  73 /* maximum number of frames that can be queued */
  74 #define CX231XX_NUM_FRAMES              5
  75
  76 /* number of buffers for isoc transfers */
  77 #define CX231XX_NUM_BUFS                8
  78
  79 /* number of packets for each buffer
  80    windows requests only 40 packets .. so we better do the same
  81    this is what I found out for all alternate numbers there!
  82  */
  83 #define CX231XX_NUM_PACKETS             40
  84
  85
  86 /* default alternate; 0 means choose the best */
  87 #define CX231XX_PINOUT                  0
  88
  89 #define CX231XX_INTERLACED_DEFAULT      1
  90
  91
  92 /* time to wait when stopping the isoc transfer */
  93 #define CX231XX_URB_TIMEOUT             msecs_to_jiffies(CX231XX_NUM_BUFS * CX231XX_NUM_PACKETS)
  94
  95
  96 enum cx231xx_mode {
  97         CX231XX_SUSPEND,
  98         CX231XX_ANALOG_MODE,
  99         CX231XX_DIGITAL_MODE,
 100 };
 101
 102 enum cx231xx_std_mode {
 103         CX231XX_TV_AIR = 0,
 104         CX231XX_TV_CABLE
 105 };
 106
 107 enum cx231xx_stream_state {
 108         STREAM_OFF,
 109         STREAM_INTERRUPT,
 110         STREAM_ON,
 111 };
 112
 113 struct cx231xx;
 114
 115 struct cx231xx_usb_isoc_ctl {
 116                 /* max packet size of isoc transaction */
 117         int                             max_pkt_size;
 118
 119                 /* number of allocated urbs */
 120         int                             num_bufs;
 121
 122                 /* urb for isoc transfers */
 123         struct urb                      **urb;
 124
 125                 /* transfer buffers for isoc transfer */
 126         char                            **transfer_buffer;
 127
 128                 /* Last buffer command and region */
 129         u8                              cmd;
 130         int                             pos, size, pktsize;
 131
 132                 /* Last field: ODD or EVEN? */
 133         int                             field;
 134
 135                 /* Stores incomplete commands */
 136         u32                             tmp_buf;
 137         int                             tmp_buf_len;
 138
 139                 /* Stores already requested buffers */
 140         struct cx231xx_buffer           *buf;
 141
 142                 /* Stores the number of received fields */
 143         int                             nfields;
 144
 145                 /* isoc urb callback */
 146         int (*isoc_copy) (struct cx231xx *dev, struct urb *urb);
 147
 148 };
 149
 150
 151
 152 struct cx231xx_fmt {
 153         char  *name;
 154         u32   fourcc;          /* v4l2 format id */
 155     int   depth;
 156     int   reg;
 157 };
 158
 159 /* buffer for one video frame */
 160 struct cx231xx_buffer {
 161         /* common v4l buffer stuff -- must be first */
 162         struct videobuf_buffer vb;
 163
 164         struct list_head frame;
 165         int top_field;
 166         int receiving;
 167 };
 168
 169 struct cx231xx_dmaqueue {
 170         struct list_head   active;
 171         struct list_head   queued;
 172
 173         wait_queue_head_t  wq;
 174
 175         /* Counters to control buffer fill */
 176         int                pos;
 177     u8                 is_partial_line;
 178     u8                 partial_buf[8];
 179     u8                 last_sav;
 180     int                current_field;
 181     u32                bytes_left_in_line;
 182     u32                lines_completed;
 183     u8                 field1_done;
 184     u32                lines_per_field;
 185 };
 186
 187
 188 /* inputs */
 189
 190 #define MAX_CX231XX_INPUT               4
 191
 192 enum cx231xx_itype {
 193         CX231XX_VMUX_COMPOSITE1 = 1,
 194         CX231XX_VMUX_SVIDEO,
 195         CX231XX_VMUX_TELEVISION,
 196     CX231XX_VMUX_CABLE,
 197     CX231XX_RADIO,
 198     CX231XX_VMUX_DVB,
 199         CX231XX_VMUX_DEBUG
 200 };
 201
 202 enum cx231xx_v_input {
 203     CX231XX_VIN_1_1 = 0x1,
 204     CX231XX_VIN_2_1,
 205     CX231XX_VIN_3_1,
 206     CX231XX_VIN_4_1,
 207     CX231XX_VIN_1_2 = 0x01,
 208     CX231XX_VIN_2_2,
 209     CX231XX_VIN_3_2,
 210     CX231XX_VIN_1_3 = 0x1,
 211     CX231XX_VIN_2_3,
 212     CX231XX_VIN_3_3,
 213 };
 214
 215 /* cx231xx has two audio inputs: tuner and line in */
 216 enum cx231xx_amux {
 217         /* This is the only entry for cx231xx tuner input */
 218         CX231XX_AMUX_VIDEO,         /* cx231xx tuner*/
 219         CX231XX_AMUX_LINE_IN,   /* Line In */
 220 };
 221
 222 struct cx231xx_reg_seq {
 223         unsigned char bit;
 224     unsigned char val;
 225         int sleep;
 226 };
 227
 228 struct cx231xx_input {
 229         enum cx231xx_itype type;
 230         unsigned int vmux;
 231         enum cx231xx_amux amux;
 232         struct cx231xx_reg_seq *gpio;
 233 };
 234
 235 #define INPUT(nr) (&cx231xx_boards[dev->model].input[nr])
 236
 237 enum cx231xx_decoder {
 238         CX231XX_NODECODER,
 239         CX231XX_AVDECODER
 240 };
 241
 242 typedef enum _I2C_MASTER_PORT
 243 {
 244      I2C_0 =0,
 245      I2C_1 =1,
 246      I2C_2 =2,
 247      I2C_3 =3
 248 }CX231XX_I2C_MASTER_PORT;
 249
 250 struct cx231xx_board {
 251         char *name;
 252         int vchannels;
 253         int tuner_type;
 254         int tuner_addr;
 255     v4l2_std_id norm;               /* tv norm */
 256
 257     /* demod related */
 258     int demod_addr;
 259     u8 demod_xfer_mode;  /* 0 - Serial; 1 - parallel */
 260
 261         /* GPIO Pins */
 262         struct cx231xx_reg_seq *dvb_gpio;
 263         struct cx231xx_reg_seq *suspend_gpio;
 264         struct cx231xx_reg_seq *tuner_gpio;
 265     u8 tuner_sif_gpio;
 266     u8 tuner_scl_gpio;
 267     u8 tuner_sda_gpio;
 268
 269     /* PIN ctrl */
 270     u32 ctl_pin_status_mask;
 271     u8  agc_analog_digital_select_gpio;
 272     u32 gpio_pin_status_mask;
 273
 274     /* i2c masters */
 275     u8 tuner_i2c_master;
 276     u8 demod_i2c_master;
 277
 278         unsigned int max_range_640_480:1;
 279         unsigned int has_dvb:1;
 280         unsigned int valid:1;
 281
 282         unsigned char xclk, i2c_speed;
 283
 284         enum cx231xx_decoder decoder;
 285
 286         struct cx231xx_input       input[MAX_CX231XX_INPUT];
 287         struct cx231xx_input      radio;
 288         IR_KEYTAB_TYPE            *ir_codes;
 289 };
 290
 291 /* device states */
 292 enum cx231xx_dev_state {
 293         DEV_INITIALIZED = 0x01,
 294         DEV_DISCONNECTED = 0x02,
 295         DEV_MISCONFIGURED = 0x04,
 296 };
 297
 298 enum AFE_MODE
 299 {
 300     AFE_MODE_LOW_IF,
 301     AFE_MODE_BASEBAND,
 302     AFE_MODE_EU_HI_IF,
 303     AFE_MODE_US_HI_IF,
 304     AFE_MODE_JAPAN_HI_IF
 305 };
 306
 307 enum AUDIO_INPUT
 308 {
 309     AUDIO_INPUT_MUTE,
 310     AUDIO_INPUT_LINE,
 311     AUDIO_INPUT_TUNER_TV,
 312     AUDIO_INPUT_SPDIF,
 313     AUDIO_INPUT_TUNER_FM
 314 };
 315
 316 #define CX231XX_AUDIO_BUFS              5
 317 #define CX231XX_NUM_AUDIO_PACKETS       64
 318 #define CX231XX_CAPTURE_STREAM_EN       1
 319 #define CX231XX_STOP_AUDIO              0
 320 #define CX231XX_START_AUDIO             1
 321
 322
 323 /* cx231xx extensions */
 324 #define CX231XX_AUDIO                   0x10
 325 #define CX231XX_DVB                     0x20
 326
 327 struct cx231xx_audio {
 328         char name[50];
 329         char *transfer_buffer[CX231XX_AUDIO_BUFS];
 330         struct urb *urb[CX231XX_AUDIO_BUFS];
 331         struct usb_device *udev;
 332         unsigned int capture_transfer_done;
 333         struct snd_pcm_substream   *capture_pcm_substream;
 334
 335         unsigned int hwptr_done_capture;
 336         struct snd_card            *sndcard;
 337
 338         int users, shutdown;
 339         enum cx231xx_stream_state capture_stream;
 340         spinlock_t slock;
 341
 342     int alt;                            /* alternate */
 343         int max_pkt_size;                   /* max packet size of isoc transaction */
 344         int num_alt;                        /* Number of alternative settings */
 345         unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
 346     u16 end_point_addr;
 347 };
 348
 349 struct cx231xx;
 350
 351 struct cx231xx_fh {
 352         struct cx231xx *dev;
 353         unsigned int  stream_on:1;          /* Locks streams */
 354         int           radio;
 355
 356         struct videobuf_queue        vb_vidq;
 357
 358         enum v4l2_buf_type           type;
 359 };
 360
 361 /**********************************************************************************/
 362 /* set/get i2c */
 363 #define I2C_SPEED_1M            0x0  /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
 364 #define I2C_SPEED_400K          0x1  /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
 365 #define I2C_SPEED_100K          0x2  /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
 366 #define I2C_SPEED_5M            0x3      /* 00--1Mb/s, 01-400kb/s, 10--100kb/s, 11--5Mb/s */
 367
 368 #define I2C_STOP                0x0  /* 0-- STOP transaction */
 369 #define I2C_NOSTOP              0x1  /* 1-- do not transmit STOP at end of transaction */
 370 #define I2C_SYNC                0x1  /* 1--alllow slave to insert clock wait states */
 371
 372 struct cx231xx_i2c {
 373         struct cx231xx             *dev;
 374
 375         int                        nr;
 376
 377         /* i2c i/o */
 378         struct i2c_adapter         i2c_adap;
 379         struct i2c_algo_bit_data   i2c_algo;
 380         struct i2c_client          i2c_client;
 381         u32                        i2c_rc;
 382
 383         /* different settings for each bus */
 384         u8                         i2c_period;
 385     u8                         i2c_nostop;
 386     u8                         i2c_reserve;
 387 };
 388
 389 struct cx231xx_i2c_xfer_data{
 390     u8                  dev_addr;
 391     u8                  direction; /* 1 - IN, 0 - OUT */
 392     u8                  saddr_len; /* sub address len */
 393     u16                 saddr_dat; /* sub addr data */
 394     u8                  buf_size;  /* buffer size */
 395     u8*                 p_buffer;  /* pointer to the buffer */
 396 };
 397
 398 typedef struct _VENDOR_REQUEST_IN
 399 {
 400         u8                                      bRequest;
 401         u16                                     wValue;
 402         u16                                     wIndex;
 403         u16                                     wLength;
 404         u8                                      direction;
 405         u8                                      bData;
 406         u8                                      *pBuff;
 407 } VENDOR_REQUEST_IN, *PVENDOR_REQUEST_IN;
 408
 409 struct cx231xx_ctrl {
 410         struct v4l2_queryctrl v;
 411         u32                   off;
 412         u32                   reg;
 413         u32                   mask;
 414         u32                   shift;
 415 };
 416
 417 typedef enum{
 418     Raw_Video = 0,
 419     Audio,
 420     Vbi,        /* VANC */
 421     Sliced_cc,  /* HANC */
 422     TS1_serial_mode,
 423     TS2,
 424     TS1_parallel_mode
 425 }TRANSFER_TYPE;
 426
 427 struct cx231xx_video_mode {
 428     /* Isoc control struct */
 429         struct cx231xx_dmaqueue vidq;
 430         struct cx231xx_usb_isoc_ctl isoc_ctl;
 431         spinlock_t slock;
 432
 433         /* usb transfer */
 434         int alt;                                /* alternate */
 435         int max_pkt_size;                   /* max packet size of isoc transaction */
 436         int num_alt;                        /* Number of alternative settings */
 437         unsigned int *alt_max_pkt_size; /* array of wMaxPacketSize */
 438     u16 end_point_addr;
 439 };
 440
 441
 442 /* main device struct */
 443 struct cx231xx {
 444         /* generic device properties */
 445         char name[30];                      /* name (including minor) of the device */
 446         int model;                              /* index in the device_data struct */
 447         int devno;                              /* marks the number of this device */
 448
 449         struct cx231xx_board board;
 450
 451         unsigned int stream_on:1;           /* Locks streams */
 452     unsigned int vbi_stream_on:1;       /* Locks streams for VBI */
 453         unsigned int has_audio_class:1;
 454         unsigned int has_alsa_audio:1;
 455
 456     struct cx231xx_fmt *format;
 457
 458         struct cx231xx_IR *ir;
 459
 460         struct list_head        devlist;
 461
 462         int tuner_type;                     /* type of the tuner */
 463         int tuner_addr;                     /* tuner address */
 464
 465     /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
 466         struct cx231xx_i2c         i2c_bus[3];
 467     unsigned int xc_fw_load_done:1;
 468     struct mutex gpio_i2c_lock;
 469
 470         /* video for linux */
 471         int users;                              /* user count for exclusive use */
 472         struct video_device *vdev;          /* video for linux device struct */
 473         v4l2_std_id norm;                   /* selected tv norm */
 474         int ctl_freq;                       /* selected frequency */
 475         unsigned int ctl_ainput;        /* selected audio input */
 476         int mute;
 477         int volume;
 478
 479         /* frame properties */
 480         int width;                              /* current frame width */
 481         int height;                             /* current frame height */
 482         unsigned hscale;                    /* horizontal scale factor (see datasheet) */
 483         unsigned vscale;                    /* vertical scale factor (see datasheet) */
 484         int interlaced;                     /* 1=interlace fileds, 0=just top fileds */
 485
 486         struct cx231xx_audio adev;
 487
 488         /* states */
 489         enum cx231xx_dev_state state;
 490
 491         struct work_struct         request_module_wk;
 492
 493         /* locks */
 494         struct mutex lock;
 495         struct mutex ctrl_urb_lock;         /* protects urb_buf */
 496         struct list_head inqueue, outqueue;
 497         wait_queue_head_t open, wait_frame, wait_stream;
 498         struct video_device *vbi_dev;
 499         struct video_device *radio_dev;
 500
 501         unsigned char eedata[256];
 502
 503     struct cx231xx_video_mode video_mode;
 504     struct cx231xx_video_mode vbi_mode;
 505     struct cx231xx_video_mode sliced_cc_mode;
 506     struct cx231xx_video_mode ts1_mode;
 507
 508     struct usb_device *udev;        /* the usb device */
 509     char urb_buf[URB_MAX_CTRL_SIZE];/* urb control msg buffer */
 510
 511
 512         /* helper funcs that call usb_control_msg */
 513     int (*cx231xx_read_ctrl_reg) (struct cx231xx *dev, u8 req, u16 reg,
 514                                         char *buf, int len);
 515     int (*cx231xx_write_ctrl_reg)(struct cx231xx *dev, u8 req, u16 reg,
 516                                       char *buf, int len);
 517     int (*cx231xx_send_usb_command)(struct cx231xx_i2c *i2c_bus,
 518                    struct cx231xx_i2c_xfer_data *req_data);
 519     int (*cx231xx_gpio_i2c_read)(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
 520     int (*cx231xx_gpio_i2c_write)(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
 521
 522         int (*cx231xx_set_analog_freq)(struct cx231xx *dev, u32 freq ) ;
 523     int (*cx231xx_reset_analog_tuner)(struct cx231xx *dev) ;
 524
 525         enum cx231xx_mode mode;
 526
 527         struct cx231xx_dvb *dvb;
 528
 529     /* Cx231xx supported PCB config's */
 530     struct pcb_config  current_pcb_config;
 531     u8 current_scenario_idx;
 532     u8 interface_count;
 533     u8 max_iad_interface_count;
 534
 535     /* GPIO related register direction and values */
 536     u32 gpio_dir;
 537     u32 gpio_val;
 538
 539     /* Power Modes */
 540     int power_mode;
 541
 542     /* colibri parameters */
 543     enum AFE_MODE colibri_mode;
 544     u32 colibri_ref_count;
 545
 546     /* video related parameters */
 547     u32 video_input;
 548     u32 active_mode;
 549     u8  vbi_or_sliced_cc_mode;          /* 0 - vbi ; 1 - sliced cc mode */
 550     enum cx231xx_std_mode std_mode;     /* 0 - Air; 1 - cable */
 551
 552 };
 553
 554 struct cx231xx_ops {
 555         struct list_head next;
 556         char *name;
 557         int id;
 558         int (*init)(struct cx231xx *);
 559         int (*fini)(struct cx231xx *);
 560 };
 561
 562 /* call back functions in dvb module */
 563 int cx231xx_set_analog_freq(struct cx231xx *dev, u32 freq ) ;
 564 int cx231xx_reset_analog_tuner(struct cx231xx *dev) ;
 565
 566 /* Provided by cx231xx-i2c.c */
 567 void cx231xx_i2c_call_clients(struct cx231xx_i2c *bus, unsigned int cmd, void *arg);
 568 void cx231xx_do_i2c_scan(struct cx231xx *dev, struct i2c_client *c);
 569 int cx231xx_i2c_register(struct cx231xx_i2c *bus);
 570 int cx231xx_i2c_unregister(struct cx231xx_i2c *bus);
 571
 572 /* Internal block control functions */
 573 int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr,
 574                           u16 saddr, u8 saddr_len, u32 *data, u8 data_len);
 575 int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr,
 576                           u16 saddr, u8 saddr_len, u32 data, u8 data_len);
 577 int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, u16 register_address,
 578                            u8 bit_start,u8 bit_end, u32 value);
 579 int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr,
 580                                        u16 saddr, u32 mask, u32 value);
 581 u32 cx231xx_set_field(u32 field_mask, u32 data);
 582
 583 /* Colibri related functions */
 584 int cx231xx_colibri_init_super_block(struct cx231xx *dev, u32 ref_count);
 585 int cx231xx_colibri_init_channels(struct cx231xx *dev);
 586 int cx231xx_colibri_setup_AFE_for_baseband(struct cx231xx *dev);
 587 int cx231xx_colibri_set_input_mux(struct cx231xx *dev, u32 input_mux);
 588 int cx231xx_colibri_set_mode(struct cx231xx *dev, enum AFE_MODE mode);
 589 int cx231xx_colibri_update_power_control(struct cx231xx *dev, AV_MODE avmode);
 590 int cx231xx_colibri_adjust_ref_count(struct cx231xx *dev, u32 video_input);
 591
 592 /* flatiron related functions */
 593 int cx231xx_flatiron_initialize(struct cx231xx *dev);
 594 int cx231xx_flatiron_update_power_control(struct cx231xx *dev, AV_MODE avmode);
 595 int cx231xx_flatiron_set_audio_input(struct cx231xx *dev, u8 audio_input);
 596
 597 /* DIF related functions */
 598 int cx231xx_dif_configure_C2HH_for_low_IF(struct cx231xx *dev, u32 mode,
 599                                           u32 function_mode, u32 standard);
 600 int cx231xx_dif_set_standard(struct cx231xx *dev, u32 standard);
 601 int cx231xx_tuner_pre_channel_change(struct cx231xx *dev);
 602 int cx231xx_tuner_post_channel_change(struct cx231xx *dev);
 603
 604 /* video parser functions */
 605 u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used);
 606 u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf, u32 *p_bytes_used);
 607 int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
 608                     u8 *p_buffer, u32 bytes_to_copy);
 609 void cx231xx_reset_video_buffer(struct cx231xx *dev, struct cx231xx_dmaqueue  *dma_q);
 610 u8 cx231xx_is_buffer_done(struct cx231xx *dev,struct cx231xx_dmaqueue  *dma_q);
 611 u32 cx231xx_copy_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue  *dma_q,
 612                             u8 *p_line, u32 length, int field_number);
 613 u32 cx231xx_get_video_line(struct cx231xx *dev, struct cx231xx_dmaqueue  *dma_q,
 614                            u8 sav_eav, u8 *p_buffer, u32 buffer_size);
 615 void cx231xx_swab(u16 *from, u16 *to, u16 len);
 616
 617 /* Provided by cx231xx-core.c */
 618
 619 u32 cx231xx_request_buffers(struct cx231xx *dev, u32 count);
 620 void cx231xx_queue_unusedframes(struct cx231xx *dev);
 621 void cx231xx_release_buffers(struct cx231xx *dev);
 622
 623 /* read from control pipe */
 624 int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
 625                             char *buf, int len);
 626
 627 /* write to control pipe */
 628 int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg,
 629                                       char *buf, int len);
 630 int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode);
 631
 632 int cx231xx_send_vendor_cmd(struct cx231xx *dev, VENDOR_REQUEST_IN *ven_req);
 633 int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus,
 634                    struct cx231xx_i2c_xfer_data *req_data);
 635
 636 /* Gpio related functions */
 637 int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val,
 638                           u8 len, u8 request, u8 direction);
 639 int cx231xx_set_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val);
 640 int cx231xx_get_gpio_bit(struct cx231xx *dev, u32 gpio_bit, u8* gpio_val);
 641 int cx231xx_set_gpio_value(struct cx231xx *dev, int pin_number, int pin_value);
 642 int cx231xx_set_gpio_direction(struct cx231xx *dev, int pin_number, int pin_value);
 643
 644 int cx231xx_gpio_i2c_start(struct cx231xx *dev);
 645 int cx231xx_gpio_i2c_end(struct cx231xx *dev);
 646 int cx231xx_gpio_i2c_write_byte(struct cx231xx *dev, u8 data);
 647 int cx231xx_gpio_i2c_read_byte(struct cx231xx *dev, u8 *buf);
 648 int cx231xx_gpio_i2c_read_ack(struct cx231xx *dev);
 649 int cx231xx_gpio_i2c_write_ack(struct cx231xx *dev);
 650 int cx231xx_gpio_i2c_write_nak(struct cx231xx *dev);
 651
 652 int cx231xx_gpio_i2c_read(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
 653 int cx231xx_gpio_i2c_write(struct cx231xx *dev, u8 dev_addr, u8 *buf ,u8 len);
 654
 655 /* audio related functions */
 656 int cx231xx_set_audio_decoder_input(struct cx231xx *dev, enum AUDIO_INPUT audio_input);
 657
 658 int cx231xx_capture_start(struct cx231xx *dev, int start, u8 media_type);
 659 int cx231xx_resolution_set(struct cx231xx *dev);
 660 int cx231xx_set_video_alternate(struct cx231xx *dev);
 661 int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt);
 662 int cx231xx_init_isoc(struct cx231xx *dev, int max_packets,
 663                      int num_bufs, int max_pkt_size,
 664                      int (*isoc_copy) (struct cx231xx *dev, struct urb *urb));
 665 void cx231xx_uninit_isoc(struct cx231xx *dev);
 666 int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode);
 667 int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio);
 668
 669 /* Device list functions */
 670 void cx231xx_release_resources(struct cx231xx *dev);
 671 void cx231xx_release_analog_resources(struct cx231xx *dev);
 672 int cx231xx_register_analog_devices(struct cx231xx *dev);
 673 void cx231xx_remove_from_devlist(struct cx231xx *dev);
 674 void cx231xx_add_into_devlist(struct cx231xx *dev);
 675 struct cx231xx *cx231xx_get_device(int minor,
 676                                  enum v4l2_buf_type *fh_type, int *has_radio);
 677 void cx231xx_init_extension(struct cx231xx *dev);
 678 void cx231xx_close_extension(struct cx231xx *dev);
 679
 680 /* hardware init functions */
 681 int cx231xx_dev_init(struct cx231xx *dev);
 682 void cx231xx_dev_uninit(struct cx231xx *dev);
 683 void cx231xx_config_i2c(struct cx231xx *dev);
 684 int cx231xx_config(struct cx231xx *dev);
 685
 686 /* Stream control functions */
 687 int cx231xx_start_stream(struct cx231xx *dev, u32 ep_mask);
 688 int cx231xx_stop_stream(struct cx231xx *dev, u32 ep_mask);
 689
 690 int cx231xx_initialize_stream_xfer(struct cx231xx *dev, u32 media_type);
 691
 692 /* Power control functions */
 693 int cx231xx_set_power_mode(struct cx231xx *dev, AV_MODE mode);
 694 int cx231xx_power_suspend(struct cx231xx *dev);
 695
 696 /* chip specific control functions */
 697 int cx231xx_init_ctrl_pin_status(struct cx231xx *dev);
 698 int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev, u8 analog_or_digital);
 699 int cx231xx_enable_i2c_for_tuner(struct cx231xx *dev, u8 I2CIndex);
 700
 701 /* video audio decoder related functions */
 702 void video_mux(struct cx231xx *dev, int index);
 703 int cx231xx_set_video_input_mux(struct cx231xx *dev, u8 input);
 704 int cx231xx_set_decoder_video_input(struct cx231xx *dev, u8 pin_type, u8 input);
 705 int cx231xx_do_mode_ctrl_overrides(struct cx231xx *dev);
 706 int cx231xx_set_audio_input(struct cx231xx *dev, u8 input);
 707 void get_scale(struct cx231xx *dev,
 708                         unsigned int width, unsigned int height,
 709                         unsigned int *hscale, unsigned int *vscale);
 710
 711 /* Provided by cx231xx-video.c */
 712 int cx231xx_register_extension(struct cx231xx_ops *dev);
 713 void cx231xx_unregister_extension(struct cx231xx_ops *dev);
 714 void cx231xx_init_extension(struct cx231xx *dev);
 715 void cx231xx_close_extension(struct cx231xx *dev);
 716
 717 /* Provided by cx231xx-cards.c */
 718 extern void cx231xx_pre_card_setup(struct cx231xx *dev);
 719 extern void cx231xx_card_setup(struct cx231xx *dev);
 720 extern struct cx231xx_board cx231xx_boards[];
 721 extern struct usb_device_id cx231xx_id_table[];
 722 extern const unsigned int cx231xx_bcount;
 723 void cx231xx_set_ir(struct cx231xx *dev, struct IR_i2c *ir);
 724 int cx231xx_tuner_callback(void *ptr, int component, int command, int arg);
 725
 726 /* Provided by cx231xx-input.c */
 727 int cx231xx_ir_init(struct cx231xx *dev);
 728 int cx231xx_ir_fini(struct cx231xx *dev);
 729
 730 /* printk macros */
 731
 732 #define cx231xx_err(fmt, arg...) do {\
 733         printk(KERN_ERR fmt , ##arg); } while (0)
 734
 735 #define cx231xx_errdev(fmt, arg...) do {\
 736         printk(KERN_ERR "%s: "fmt,\
 737                         dev->name , ##arg); } while (0)
 738
 739 #define cx231xx_info(fmt, arg...) do {\
 740         printk(KERN_INFO "%s: "fmt,\
 741                         dev->name , ##arg); } while (0)
 742 #define cx231xx_warn(fmt, arg...) do {\
 743         printk(KERN_WARNING "%s: "fmt,\
 744                         dev->name , ##arg); } while (0)
 745
 746
 747 static inline unsigned int norm_maxw(struct cx231xx *dev)
 748 {
 749         if (dev->board.max_range_640_480)
 750                 return 640;
 751         else
 752                 return 720;
 753 }
 754
 755 static inline unsigned int norm_maxh(struct cx231xx *dev)
 756 {
 757         if (dev->board.max_range_640_480)
 758                 return 480;
 759         else
 760                 return (dev->norm & V4L2_STD_625_50) ? 576 : 480;
 761 }
 762 #endif