/drivers/media/video/cx18/cx18-driver.h
C Header | 693 lines | 411 code | 104 blank | 178 comment | 14 complexity | 462597e7b5c021faa4c0a291e59da7ef MD5 | raw file
1/* 2 * cx18 driver internal defines and structures 3 * 4 * Derived from ivtv-driver.h 5 * 6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 7 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 22 * 02111-1307 USA 23 */ 24 25#ifndef CX18_DRIVER_H 26#define CX18_DRIVER_H 27 28#include <linux/version.h> 29#include <linux/module.h> 30#include <linux/moduleparam.h> 31#include <linux/init.h> 32#include <linux/delay.h> 33#include <linux/sched.h> 34#include <linux/fs.h> 35#include <linux/pci.h> 36#include <linux/interrupt.h> 37#include <linux/spinlock.h> 38#include <linux/i2c.h> 39#include <linux/i2c-algo-bit.h> 40#include <linux/list.h> 41#include <linux/unistd.h> 42#include <linux/pagemap.h> 43#include <linux/workqueue.h> 44#include <linux/mutex.h> 45#include <linux/slab.h> 46#include <asm/byteorder.h> 47 48#include <linux/dvb/video.h> 49#include <linux/dvb/audio.h> 50#include <media/v4l2-common.h> 51#include <media/v4l2-ioctl.h> 52#include <media/v4l2-device.h> 53#include <media/tuner.h> 54#include <media/ir-kbd-i2c.h> 55#include "cx18-mailbox.h" 56#include "cx18-av-core.h" 57#include "cx23418.h" 58 59/* DVB */ 60#include "demux.h" 61#include "dmxdev.h" 62#include "dvb_demux.h" 63#include "dvb_frontend.h" 64#include "dvb_net.h" 65#include "dvbdev.h" 66 67#ifndef CONFIG_PCI 68# error "This driver requires kernel PCI support." 69#endif 70 71#define CX18_MEM_OFFSET 0x00000000 72#define CX18_MEM_SIZE 0x04000000 73#define CX18_REG_OFFSET 0x02000000 74 75/* Maximum cx18 driver instances. */ 76#define CX18_MAX_CARDS 32 77 78/* Supported cards */ 79#define CX18_CARD_HVR_1600_ESMT 0 /* Hauppauge HVR 1600 (ESMT memory) */ 80#define CX18_CARD_HVR_1600_SAMSUNG 1 /* Hauppauge HVR 1600 (Samsung memory) */ 81#define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ 82#define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ 83#define CX18_CARD_CNXT_RAPTOR_PAL 4 /* Conexant Raptor PAL */ 84#define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/ 85#define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ 86#define CX18_CARD_LEADTEK_DVR3100H 7 /* Leadtek WinFast DVR3100 H */ 87#define CX18_CARD_LAST 7 88 89#define CX18_ENC_STREAM_TYPE_MPG 0 90#define CX18_ENC_STREAM_TYPE_TS 1 91#define CX18_ENC_STREAM_TYPE_YUV 2 92#define CX18_ENC_STREAM_TYPE_VBI 3 93#define CX18_ENC_STREAM_TYPE_PCM 4 94#define CX18_ENC_STREAM_TYPE_IDX 5 95#define CX18_ENC_STREAM_TYPE_RAD 6 96#define CX18_MAX_STREAMS 7 97 98/* system vendor and device IDs */ 99#define PCI_VENDOR_ID_CX 0x14f1 100#define PCI_DEVICE_ID_CX23418 0x5b7a 101 102/* subsystem vendor ID */ 103#define CX18_PCI_ID_HAUPPAUGE 0x0070 104#define CX18_PCI_ID_COMPRO 0x185b 105#define CX18_PCI_ID_YUAN 0x12ab 106#define CX18_PCI_ID_CONEXANT 0x14f1 107#define CX18_PCI_ID_TOSHIBA 0x1179 108#define CX18_PCI_ID_LEADTEK 0x107D 109 110/* ======================================================================== */ 111/* ========================== START USER SETTABLE DMA VARIABLES =========== */ 112/* ======================================================================== */ 113 114/* DMA Buffers, Default size in MB allocated */ 115#define CX18_DEFAULT_ENC_TS_BUFFERS 1 116#define CX18_DEFAULT_ENC_MPG_BUFFERS 2 117#define CX18_DEFAULT_ENC_IDX_BUFFERS 1 118#define CX18_DEFAULT_ENC_YUV_BUFFERS 2 119#define CX18_DEFAULT_ENC_VBI_BUFFERS 1 120#define CX18_DEFAULT_ENC_PCM_BUFFERS 1 121 122/* Maximum firmware DMA buffers per stream */ 123#define CX18_MAX_FW_MDLS_PER_STREAM 63 124 125/* YUV buffer sizes in bytes to ensure integer # of frames per buffer */ 126#define CX18_UNIT_ENC_YUV_BUFSIZE (720 * 32 * 3 / 2) /* bytes */ 127#define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32) 128#define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32) 129 130/* IDX buffer size should be a multiple of the index entry size from the chip */ 131struct cx18_enc_idx_entry { 132 __le32 length; 133 __le32 offset_low; 134 __le32 offset_high; 135 __le32 flags; 136 __le32 pts_low; 137 __le32 pts_high; 138} __attribute__ ((packed)); 139#define CX18_UNIT_ENC_IDX_BUFSIZE \ 140 (sizeof(struct cx18_enc_idx_entry) * V4L2_ENC_IDX_ENTRIES) 141 142/* DMA buffer, default size in kB allocated */ 143#define CX18_DEFAULT_ENC_TS_BUFSIZE 32 144#define CX18_DEFAULT_ENC_MPG_BUFSIZE 32 145#define CX18_DEFAULT_ENC_IDX_BUFSIZE (CX18_UNIT_ENC_IDX_BUFSIZE * 1 / 1024 + 1) 146#define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1) 147#define CX18_DEFAULT_ENC_PCM_BUFSIZE 4 148 149/* i2c stuff */ 150#define I2C_CLIENTS_MAX 16 151 152/* debugging */ 153 154/* Flag to turn on high volume debugging */ 155#define CX18_DBGFLG_WARN (1 << 0) 156#define CX18_DBGFLG_INFO (1 << 1) 157#define CX18_DBGFLG_API (1 << 2) 158#define CX18_DBGFLG_DMA (1 << 3) 159#define CX18_DBGFLG_IOCTL (1 << 4) 160#define CX18_DBGFLG_FILE (1 << 5) 161#define CX18_DBGFLG_I2C (1 << 6) 162#define CX18_DBGFLG_IRQ (1 << 7) 163/* Flag to turn on high volume debugging */ 164#define CX18_DBGFLG_HIGHVOL (1 << 8) 165 166/* NOTE: extra space before comma in 'fmt , ## args' is required for 167 gcc-2.95, otherwise it won't compile. */ 168#define CX18_DEBUG(x, type, fmt, args...) \ 169 do { \ 170 if ((x) & cx18_debug) \ 171 v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ 172 } while (0) 173#define CX18_DEBUG_WARN(fmt, args...) CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args) 174#define CX18_DEBUG_INFO(fmt, args...) CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args) 175#define CX18_DEBUG_API(fmt, args...) CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args) 176#define CX18_DEBUG_DMA(fmt, args...) CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args) 177#define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) 178#define CX18_DEBUG_FILE(fmt, args...) CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args) 179#define CX18_DEBUG_I2C(fmt, args...) CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args) 180#define CX18_DEBUG_IRQ(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args) 181 182#define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \ 183 do { \ 184 if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ 185 v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ 186 } while (0) 187#define CX18_DEBUG_HI_WARN(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args) 188#define CX18_DEBUG_HI_INFO(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args) 189#define CX18_DEBUG_HI_API(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args) 190#define CX18_DEBUG_HI_DMA(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args) 191#define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) 192#define CX18_DEBUG_HI_FILE(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args) 193#define CX18_DEBUG_HI_I2C(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args) 194#define CX18_DEBUG_HI_IRQ(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args) 195 196/* Standard kernel messages */ 197#define CX18_ERR(fmt, args...) v4l2_err(&cx->v4l2_dev, fmt , ## args) 198#define CX18_WARN(fmt, args...) v4l2_warn(&cx->v4l2_dev, fmt , ## args) 199#define CX18_INFO(fmt, args...) v4l2_info(&cx->v4l2_dev, fmt , ## args) 200 201/* Messages for internal subdevs to use */ 202#define CX18_DEBUG_DEV(x, dev, type, fmt, args...) \ 203 do { \ 204 if ((x) & cx18_debug) \ 205 v4l2_info(dev, " " type ": " fmt , ## args); \ 206 } while (0) 207#define CX18_DEBUG_WARN_DEV(dev, fmt, args...) \ 208 CX18_DEBUG_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) 209#define CX18_DEBUG_INFO_DEV(dev, fmt, args...) \ 210 CX18_DEBUG_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) 211#define CX18_DEBUG_API_DEV(dev, fmt, args...) \ 212 CX18_DEBUG_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) 213#define CX18_DEBUG_DMA_DEV(dev, fmt, args...) \ 214 CX18_DEBUG_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) 215#define CX18_DEBUG_IOCTL_DEV(dev, fmt, args...) \ 216 CX18_DEBUG_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) 217#define CX18_DEBUG_FILE_DEV(dev, fmt, args...) \ 218 CX18_DEBUG_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) 219#define CX18_DEBUG_I2C_DEV(dev, fmt, args...) \ 220 CX18_DEBUG_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) 221#define CX18_DEBUG_IRQ_DEV(dev, fmt, args...) \ 222 CX18_DEBUG_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) 223 224#define CX18_DEBUG_HIGH_VOL_DEV(x, dev, type, fmt, args...) \ 225 do { \ 226 if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ 227 v4l2_info(dev, " " type ": " fmt , ## args); \ 228 } while (0) 229#define CX18_DEBUG_HI_WARN_DEV(dev, fmt, args...) \ 230 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) 231#define CX18_DEBUG_HI_INFO_DEV(dev, fmt, args...) \ 232 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) 233#define CX18_DEBUG_HI_API_DEV(dev, fmt, args...) \ 234 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) 235#define CX18_DEBUG_HI_DMA_DEV(dev, fmt, args...) \ 236 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) 237#define CX18_DEBUG_HI_IOCTL_DEV(dev, fmt, args...) \ 238 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) 239#define CX18_DEBUG_HI_FILE_DEV(dev, fmt, args...) \ 240 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) 241#define CX18_DEBUG_HI_I2C_DEV(dev, fmt, args...) \ 242 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) 243#define CX18_DEBUG_HI_IRQ_DEV(dev, fmt, args...) \ 244 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) 245 246#define CX18_ERR_DEV(dev, fmt, args...) v4l2_err(dev, fmt , ## args) 247#define CX18_WARN_DEV(dev, fmt, args...) v4l2_warn(dev, fmt , ## args) 248#define CX18_INFO_DEV(dev, fmt, args...) v4l2_info(dev, fmt , ## args) 249 250extern int cx18_debug; 251 252struct cx18_options { 253 int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ 254 int cardtype; /* force card type on load */ 255 int tuner; /* set tuner on load */ 256 int radio; /* enable/disable radio */ 257}; 258 259/* per-mdl bit flags */ 260#define CX18_F_M_NEED_SWAP 0 /* mdl buffer data must be endianess swapped */ 261 262/* per-stream, s_flags */ 263#define CX18_F_S_CLAIMED 3 /* this stream is claimed */ 264#define CX18_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ 265#define CX18_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ 266#define CX18_F_S_STREAMOFF 7 /* signal end of stream EOS */ 267#define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ 268#define CX18_F_S_STOPPING 9 /* telling the fw to stop capturing */ 269 270/* per-cx18, i_flags */ 271#define CX18_F_I_LOADED_FW 0 /* Loaded firmware 1st time */ 272#define CX18_F_I_EOS 4 /* End of encoder stream */ 273#define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ 274#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ 275#define CX18_F_I_INITED 21 /* set after first open */ 276#define CX18_F_I_FAILED 22 /* set if first open failed */ 277 278/* These are the VBI types as they appear in the embedded VBI private packets. */ 279#define CX18_SLICED_TYPE_TELETEXT_B (1) 280#define CX18_SLICED_TYPE_CAPTION_525 (4) 281#define CX18_SLICED_TYPE_WSS_625 (5) 282#define CX18_SLICED_TYPE_VPS (7) 283 284/** 285 * list_entry_is_past_end - check if a previous loop cursor is off list end 286 * @pos: the type * previously used as a loop cursor. 287 * @head: the head for your list. 288 * @member: the name of the list_struct within the struct. 289 * 290 * Check if the entry's list_head is the head of the list, thus it's not a 291 * real entry but was the loop cursor that walked past the end 292 */ 293#define list_entry_is_past_end(pos, head, member) \ 294 (&pos->member == (head)) 295 296struct cx18_buffer { 297 struct list_head list; 298 dma_addr_t dma_handle; 299 char *buf; 300 301 u32 bytesused; 302 u32 readpos; 303}; 304 305struct cx18_mdl { 306 struct list_head list; 307 u32 id; /* index into cx->scb->cpu_mdl[] of 1st cx18_mdl_ent */ 308 309 unsigned int skipped; 310 unsigned long m_flags; 311 312 struct list_head buf_list; 313 struct cx18_buffer *curr_buf; /* current buffer in list for reading */ 314 315 u32 bytesused; 316 u32 readpos; 317}; 318 319struct cx18_queue { 320 struct list_head list; 321 atomic_t depth; 322 u32 bytesused; 323 spinlock_t lock; 324}; 325 326struct cx18_dvb { 327 struct dmx_frontend hw_frontend; 328 struct dmx_frontend mem_frontend; 329 struct dmxdev dmxdev; 330 struct dvb_adapter dvb_adapter; 331 struct dvb_demux demux; 332 struct dvb_frontend *fe; 333 struct dvb_net dvbnet; 334 int enabled; 335 int feeding; 336 struct mutex feedlock; 337}; 338 339struct cx18; /* forward reference */ 340struct cx18_scb; /* forward reference */ 341 342 343#define CX18_MAX_MDL_ACKS 2 344#define CX18_MAX_IN_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) 345/* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */ 346 347#define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 348#define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2 349#define CX18_F_EWO_MB_STALE \ 350 (CX18_F_EWO_MB_STALE_UPON_RECEIPT | CX18_F_EWO_MB_STALE_WHILE_PROC) 351 352struct cx18_in_work_order { 353 struct work_struct work; 354 atomic_t pending; 355 struct cx18 *cx; 356 unsigned long flags; 357 int rpu; 358 struct cx18_mailbox mb; 359 struct cx18_mdl_ack mdl_ack[CX18_MAX_MDL_ACKS]; 360 char *str; 361}; 362 363#define CX18_INVALID_TASK_HANDLE 0xffffffff 364 365struct cx18_stream { 366 /* These first four fields are always set, even if the stream 367 is not actually created. */ 368 struct video_device *video_dev; /* NULL when stream not created */ 369 struct cx18 *cx; /* for ease of use */ 370 const char *name; /* name of the stream */ 371 int type; /* stream type */ 372 u32 handle; /* task handle */ 373 unsigned int mdl_base_idx; 374 375 u32 id; 376 unsigned long s_flags; /* status flags, see above */ 377 int dma; /* can be PCI_DMA_TODEVICE, 378 PCI_DMA_FROMDEVICE or 379 PCI_DMA_NONE */ 380 wait_queue_head_t waitq; 381 382 /* Buffers */ 383 struct list_head buf_pool; /* buffers not attached to an MDL */ 384 u32 buffers; /* total buffers owned by this stream */ 385 u32 buf_size; /* size in bytes of a single buffer */ 386 387 /* MDL sizes - all stream MDLs are the same size */ 388 u32 bufs_per_mdl; 389 u32 mdl_size; /* total bytes in all buffers in a mdl */ 390 391 /* MDL Queues */ 392 struct cx18_queue q_free; /* free - in rotation, not committed */ 393 struct cx18_queue q_busy; /* busy - in use by firmware */ 394 struct cx18_queue q_full; /* full - data for user apps */ 395 struct cx18_queue q_idle; /* idle - not in rotation */ 396 397 struct work_struct out_work_order; 398 399 /* DVB / Digital Transport */ 400 struct cx18_dvb dvb; 401}; 402 403struct cx18_open_id { 404 u32 open_id; 405 int type; 406 enum v4l2_priority prio; 407 struct cx18 *cx; 408}; 409 410/* forward declaration of struct defined in cx18-cards.h */ 411struct cx18_card; 412 413/* 414 * A note about "sliced" VBI data as implemented in this driver: 415 * 416 * Currently we collect the sliced VBI in the form of Ancillary Data 417 * packets, inserted by the AV core decoder/digitizer/slicer in the 418 * horizontal blanking region of the VBI lines, in "raw" mode as far as 419 * the Encoder is concerned. We don't ever tell the Encoder itself 420 * to provide sliced VBI. (AV Core: sliced mode - Encoder: raw mode) 421 * 422 * We then process the ancillary data ourselves to send the sliced data 423 * to the user application directly or build up MPEG-2 private stream 1 424 * packets to splice into (only!) MPEG-2 PS streams for the user app. 425 * 426 * (That's how ivtv essentially does it.) 427 * 428 * The Encoder should be able to extract certain sliced VBI data for 429 * us and provide it in a separate stream or splice it into any type of 430 * MPEG PS or TS stream, but this isn't implemented yet. 431 */ 432 433/* 434 * Number of "raw" VBI samples per horizontal line we tell the Encoder to 435 * grab from the decoder/digitizer/slicer output for raw or sliced VBI. 436 * It depends on the pixel clock and the horiz rate: 437 * 438 * (1/Fh)*(2*Fp) = Samples/line 439 * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples 440 * 441 * Sliced VBI data is sent as ancillary data during horizontal blanking 442 * Raw VBI is sent as active video samples during vertcal blanking 443 * 444 * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line 445 * length of 720 pixels @ 4:2:2 sampling. Thus... 446 * 447 * For systems that use a 15.734 kHz horizontal rate, such as 448 * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: 449 * 450 * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = 451 * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples 452 * 453 * For systems that use a 15.625 kHz horizontal rate, such as 454 * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: 455 * 456 * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = 457 * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples 458 */ 459static const u32 vbi_active_samples = 1444; /* 4 byte SAV + 720 Y + 720 U/V */ 460static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */ 461static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */ 462 463#define CX18_VBI_FRAMES 32 464 465struct vbi_info { 466 /* Current state of v4l2 VBI settings for this device */ 467 struct v4l2_format in; 468 struct v4l2_sliced_vbi_format *sliced_in; /* pointer to in.fmt.sliced */ 469 u32 count; /* Count of VBI data lines: 60 Hz: 12 or 50 Hz: 18 */ 470 u32 start[2]; /* First VBI data line per field: 10 & 273 or 6 & 318 */ 471 472 u32 frame; /* Count of VBI buffers/frames received from Encoder */ 473 474 /* 475 * Vars for creation and insertion of MPEG Private Stream 1 packets 476 * of sliced VBI data into an MPEG PS 477 */ 478 479 /* Boolean: create and insert Private Stream 1 packets into the PS */ 480 int insert_mpeg; 481 482 /* 483 * Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. 484 * Used in cx18-vbi.c only for collecting sliced data, and as a source 485 * during conversion of sliced VBI data into MPEG Priv Stream 1 packets. 486 * We don't need to save state here, but the array may have been a bit 487 * too big (2304 bytes) to alloc from the stack. 488 */ 489 struct v4l2_sliced_vbi_data sliced_data[36]; 490 491 /* 492 * A ring buffer of driver-generated MPEG-2 PS 493 * Program Pack/Private Stream 1 packets for sliced VBI data insertion 494 * into the MPEG PS stream. 495 * 496 * In each sliced_mpeg_data[] buffer is: 497 * 16 byte MPEG-2 PS Program Pack Header 498 * 16 byte MPEG-2 Private Stream 1 PES Header 499 * 4 byte magic number: "itv0" or "ITV0" 500 * 4 byte first field line mask, if "itv0" 501 * 4 byte second field line mask, if "itv0" 502 * 36 lines, if "ITV0"; or <36 lines, if "itv0"; of sliced VBI data 503 * 504 * Each line in the payload is 505 * 1 byte line header derived from the SDID (WSS, CC, VPS, etc.) 506 * 42 bytes of line data 507 * 508 * That's a maximum 1552 bytes of payload in the Private Stream 1 packet 509 * which is the payload size a PVR-350 (CX23415) MPEG decoder will 510 * accept for VBI data. So, including the headers, it's a maximum 1584 511 * bytes total. 512 */ 513#define CX18_SLICED_MPEG_DATA_MAXSZ 1584 514 /* copy_vbi_buf() needs 8 temp bytes on the end for the worst case */ 515#define CX18_SLICED_MPEG_DATA_BUFSZ (CX18_SLICED_MPEG_DATA_MAXSZ+8) 516 u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; 517 u32 sliced_mpeg_size[CX18_VBI_FRAMES]; 518 519 /* Count of Program Pack/Program Stream 1 packets inserted into PS */ 520 u32 inserted_frame; 521 522 /* 523 * A dummy driver stream transfer mdl & buffer with a copy of the next 524 * sliced_mpeg_data[] buffer for output to userland apps. 525 * Only used in cx18-fileops.c, but its state needs to persist at times. 526 */ 527 struct cx18_mdl sliced_mpeg_mdl; 528 struct cx18_buffer sliced_mpeg_buf; 529}; 530 531/* Per cx23418, per I2C bus private algo callback data */ 532struct cx18_i2c_algo_callback_data { 533 struct cx18 *cx; 534 int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ 535}; 536 537#define CX18_MAX_MMIO_WR_RETRIES 10 538 539/* Struct to hold info about cx18 cards */ 540struct cx18 { 541 int instance; 542 struct pci_dev *pci_dev; 543 struct v4l2_device v4l2_dev; 544 struct v4l2_subdev *sd_av; /* A/V decoder/digitizer sub-device */ 545 struct v4l2_subdev *sd_extmux; /* External multiplexer sub-dev */ 546 547 const struct cx18_card *card; /* card information */ 548 const char *card_name; /* full name of the card */ 549 const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ 550 u8 is_50hz; 551 u8 is_60hz; 552 u8 nof_inputs; /* number of video inputs */ 553 u8 nof_audio_inputs; /* number of audio inputs */ 554 u32 v4l2_cap; /* V4L2 capabilities of card */ 555 u32 hw_flags; /* Hardware description of the board */ 556 unsigned int free_mdl_idx; 557 struct cx18_scb __iomem *scb; /* pointer to SCB */ 558 struct mutex epu2apu_mb_lock; /* protect driver to chip mailbox in SCB*/ 559 struct mutex epu2cpu_mb_lock; /* protect driver to chip mailbox in SCB*/ 560 561 struct cx18_av_state av_state; 562 563 /* codec settings */ 564 struct cx2341x_mpeg_params params; 565 u32 filter_mode; 566 u32 temporal_strength; 567 u32 spatial_strength; 568 569 /* dualwatch */ 570 unsigned long dualwatch_jiffies; 571 u32 dualwatch_stereo_mode; 572 573 struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ 574 struct cx18_options options; /* User options */ 575 int stream_buffers[CX18_MAX_STREAMS]; /* # of buffers for each stream */ 576 int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ 577 struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ 578 struct snd_cx18_card *alsa; /* ALSA interface for PCM capture stream */ 579 void (*pcm_announce_callback)(struct snd_cx18_card *card, u8 *pcm_data, 580 size_t num_bytes); 581 582 unsigned long i_flags; /* global cx18 flags */ 583 atomic_t ana_capturing; /* count number of active analog capture streams */ 584 atomic_t tot_capturing; /* total count number of active capture streams */ 585 int search_pack_header; 586 587 int open_id; /* incremented each time an open occurs, used as 588 unique ID. Starts at 1, so 0 can be used as 589 uninitialized value in the stream->id. */ 590 591 u32 base_addr; 592 struct v4l2_prio_state prio; 593 594 u8 card_rev; 595 void __iomem *enc_mem, *reg_mem; 596 597 struct vbi_info vbi; 598 599 u64 mpg_data_received; 600 u64 vbi_data_inserted; 601 602 wait_queue_head_t mb_apu_waitq; 603 wait_queue_head_t mb_cpu_waitq; 604 wait_queue_head_t cap_w; 605 /* when the current DMA is finished this queue is woken up */ 606 wait_queue_head_t dma_waitq; 607 608 u32 sw1_irq_mask; 609 u32 sw2_irq_mask; 610 u32 hw2_irq_mask; 611 612 struct workqueue_struct *in_work_queue; 613 char in_workq_name[11]; /* "cx18-NN-in" */ 614 struct cx18_in_work_order in_work_order[CX18_MAX_IN_WORK_ORDERS]; 615 char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ 616 617 struct workqueue_struct *out_work_queue; 618 char out_workq_name[12]; /* "cx18-NN-out" */ 619 620 /* i2c */ 621 struct i2c_adapter i2c_adap[2]; 622 struct i2c_algo_bit_data i2c_algo[2]; 623 struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; 624 625 struct IR_i2c_init_data ir_i2c_init_data; 626 627 /* gpio */ 628 u32 gpio_dir; 629 u32 gpio_val; 630 struct mutex gpio_lock; 631 struct v4l2_subdev sd_gpiomux; 632 struct v4l2_subdev sd_resetctrl; 633 634 /* v4l2 and User settings */ 635 636 /* codec settings */ 637 u32 audio_input; 638 u32 active_input; 639 v4l2_std_id std; 640 v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ 641 642 /* Used for cx18-alsa module loading */ 643 struct work_struct request_module_wk; 644}; 645 646static inline struct cx18 *to_cx18(struct v4l2_device *v4l2_dev) 647{ 648 return container_of(v4l2_dev, struct cx18, v4l2_dev); 649} 650 651/* cx18 extensions to be loaded */ 652extern int (*cx18_ext_init)(struct cx18 *); 653 654/* Globals */ 655extern int cx18_first_minor; 656 657/*==============Prototypes==================*/ 658 659/* Return non-zero if a signal is pending */ 660int cx18_msleep_timeout(unsigned int msecs, int intr); 661 662/* Read Hauppauge eeprom */ 663struct tveeprom; /* forward reference */ 664void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); 665 666/* First-open initialization: load firmware, etc. */ 667int cx18_init_on_first_open(struct cx18 *cx); 668 669/* Test if the current VBI mode is raw (1) or sliced (0) */ 670static inline int cx18_raw_vbi(const struct cx18 *cx) 671{ 672 return cx->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; 673} 674 675/* Call the specified callback for all subdevs with a grp_id bit matching the 676 * mask in hw (if 0, then match them all). Ignore any errors. */ 677#define cx18_call_hw(cx, hw, o, f, args...) \ 678 __v4l2_device_call_subdevs(&(cx)->v4l2_dev, \ 679 !(hw) || (sd->grp_id & (hw)), o, f , ##args) 680 681#define cx18_call_all(cx, o, f, args...) cx18_call_hw(cx, 0, o, f , ##args) 682 683/* Call the specified callback for all subdevs with a grp_id bit matching the 684 * mask in hw (if 0, then match them all). If the callback returns an error 685 * other than 0 or -ENOIOCTLCMD, then return with that error code. */ 686#define cx18_call_hw_err(cx, hw, o, f, args...) \ 687 __v4l2_device_call_subdevs_until_err( \ 688 &(cx)->v4l2_dev, !(hw) || (sd->grp_id & (hw)), o, f , ##args) 689 690#define cx18_call_all_err(cx, o, f, args...) \ 691 cx18_call_hw_err(cx, 0, o, f , ##args) 692 693#endif /* CX18_DRIVER_H */