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/module.h> 29#include <linux/moduleparam.h> 30#include <linux/init.h> 31#include <linux/delay.h> 32#include <linux/sched.h> 33#include <linux/fs.h> 34#include <linux/pci.h> 35#include <linux/interrupt.h> 36#include <linux/spinlock.h> 37#include <linux/i2c.h> 38#include <linux/i2c-algo-bit.h> 39#include <linux/list.h> 40#include <linux/unistd.h> 41#include <linux/pagemap.h> 42#include <linux/workqueue.h> 43#include <linux/mutex.h> 44#include <linux/slab.h> 45#include <asm/byteorder.h> 46 47#include <media/v4l2-common.h> 48#include <media/v4l2-ioctl.h> 49#include <media/v4l2-device.h> 50#include <media/v4l2-fh.h> 51#include <media/tuner.h> 52#include <media/ir-kbd-i2c.h> 53#include "cx18-mailbox.h" 54#include "cx18-av-core.h" 55#include "cx23418.h" 56 57/* DVB */ 58#include "demux.h" 59#include "dmxdev.h" 60#include "dvb_demux.h" 61#include "dvb_frontend.h" 62#include "dvb_net.h" 63#include "dvbdev.h" 64 65/* Videobuf / YUV support */ 66#include <media/videobuf-core.h> 67#include <media/videobuf-vmalloc.h> 68 69#ifndef CONFIG_PCI 70# error "This driver requires kernel PCI support." 71#endif 72 73#define CX18_MEM_OFFSET 0x00000000 74#define CX18_MEM_SIZE 0x04000000 75#define CX18_REG_OFFSET 0x02000000 76 77/* Maximum cx18 driver instances. */ 78#define CX18_MAX_CARDS 32 79 80/* Supported cards */ 81#define CX18_CARD_HVR_1600_ESMT 0 /* Hauppauge HVR 1600 (ESMT memory) */ 82#define CX18_CARD_HVR_1600_SAMSUNG 1 /* Hauppauge HVR 1600 (Samsung memory) */ 83#define CX18_CARD_COMPRO_H900 2 /* Compro VideoMate H900 */ 84#define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ 85#define CX18_CARD_CNXT_RAPTOR_PAL 4 /* Conexant Raptor PAL */ 86#define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/ 87#define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ 88#define CX18_CARD_LEADTEK_DVR3100H 7 /* Leadtek WinFast DVR3100 H */ 89#define CX18_CARD_GOTVIEW_PCI_DVD3 8 /* GoTView PCI DVD3 Hybrid */ 90#define CX18_CARD_HVR_1600_S5H1411 9 /* Hauppauge HVR 1600 s5h1411/tda18271*/ 91#define CX18_CARD_LAST 9 92 93#define CX18_ENC_STREAM_TYPE_MPG 0 94#define CX18_ENC_STREAM_TYPE_TS 1 95#define CX18_ENC_STREAM_TYPE_YUV 2 96#define CX18_ENC_STREAM_TYPE_VBI 3 97#define CX18_ENC_STREAM_TYPE_PCM 4 98#define CX18_ENC_STREAM_TYPE_IDX 5 99#define CX18_ENC_STREAM_TYPE_RAD 6 100#define CX18_MAX_STREAMS 7 101 102/* system vendor and device IDs */ 103#define PCI_VENDOR_ID_CX 0x14f1 104#define PCI_DEVICE_ID_CX23418 0x5b7a 105 106/* subsystem vendor ID */ 107#define CX18_PCI_ID_HAUPPAUGE 0x0070 108#define CX18_PCI_ID_COMPRO 0x185b 109#define CX18_PCI_ID_YUAN 0x12ab 110#define CX18_PCI_ID_CONEXANT 0x14f1 111#define CX18_PCI_ID_TOSHIBA 0x1179 112#define CX18_PCI_ID_LEADTEK 0x107D 113#define CX18_PCI_ID_GOTVIEW 0x5854 114 115/* ======================================================================== */ 116/* ========================== START USER SETTABLE DMA VARIABLES =========== */ 117/* ======================================================================== */ 118 119/* DMA Buffers, Default size in MB allocated */ 120#define CX18_DEFAULT_ENC_TS_BUFFERS 1 121#define CX18_DEFAULT_ENC_MPG_BUFFERS 2 122#define CX18_DEFAULT_ENC_IDX_BUFFERS 1 123#define CX18_DEFAULT_ENC_YUV_BUFFERS 2 124#define CX18_DEFAULT_ENC_VBI_BUFFERS 1 125#define CX18_DEFAULT_ENC_PCM_BUFFERS 1 126 127/* Maximum firmware DMA buffers per stream */ 128#define CX18_MAX_FW_MDLS_PER_STREAM 63 129 130/* YUV buffer sizes in bytes to ensure integer # of frames per buffer */ 131#define CX18_UNIT_ENC_YUV_BUFSIZE (720 * 32 * 3 / 2) /* bytes */ 132#define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32) 133#define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32) 134 135/* IDX buffer size should be a multiple of the index entry size from the chip */ 136struct cx18_enc_idx_entry { 137 __le32 length; 138 __le32 offset_low; 139 __le32 offset_high; 140 __le32 flags; 141 __le32 pts_low; 142 __le32 pts_high; 143} __attribute__ ((packed)); 144#define CX18_UNIT_ENC_IDX_BUFSIZE \ 145 (sizeof(struct cx18_enc_idx_entry) * V4L2_ENC_IDX_ENTRIES) 146 147/* DMA buffer, default size in kB allocated */ 148#define CX18_DEFAULT_ENC_TS_BUFSIZE 32 149#define CX18_DEFAULT_ENC_MPG_BUFSIZE 32 150#define CX18_DEFAULT_ENC_IDX_BUFSIZE (CX18_UNIT_ENC_IDX_BUFSIZE * 1 / 1024 + 1) 151#define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1) 152#define CX18_DEFAULT_ENC_PCM_BUFSIZE 4 153 154/* i2c stuff */ 155#define I2C_CLIENTS_MAX 16 156 157/* debugging */ 158 159/* Flag to turn on high volume debugging */ 160#define CX18_DBGFLG_WARN (1 << 0) 161#define CX18_DBGFLG_INFO (1 << 1) 162#define CX18_DBGFLG_API (1 << 2) 163#define CX18_DBGFLG_DMA (1 << 3) 164#define CX18_DBGFLG_IOCTL (1 << 4) 165#define CX18_DBGFLG_FILE (1 << 5) 166#define CX18_DBGFLG_I2C (1 << 6) 167#define CX18_DBGFLG_IRQ (1 << 7) 168/* Flag to turn on high volume debugging */ 169#define CX18_DBGFLG_HIGHVOL (1 << 8) 170 171/* NOTE: extra space before comma in 'fmt , ## args' is required for 172 gcc-2.95, otherwise it won't compile. */ 173#define CX18_DEBUG(x, type, fmt, args...) \ 174 do { \ 175 if ((x) & cx18_debug) \ 176 v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ 177 } while (0) 178#define CX18_DEBUG_WARN(fmt, args...) CX18_DEBUG(CX18_DBGFLG_WARN, "warning", fmt , ## args) 179#define CX18_DEBUG_INFO(fmt, args...) CX18_DEBUG(CX18_DBGFLG_INFO, "info", fmt , ## args) 180#define CX18_DEBUG_API(fmt, args...) CX18_DEBUG(CX18_DBGFLG_API, "api", fmt , ## args) 181#define CX18_DEBUG_DMA(fmt, args...) CX18_DEBUG(CX18_DBGFLG_DMA, "dma", fmt , ## args) 182#define CX18_DEBUG_IOCTL(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) 183#define CX18_DEBUG_FILE(fmt, args...) CX18_DEBUG(CX18_DBGFLG_FILE, "file", fmt , ## args) 184#define CX18_DEBUG_I2C(fmt, args...) CX18_DEBUG(CX18_DBGFLG_I2C, "i2c", fmt , ## args) 185#define CX18_DEBUG_IRQ(fmt, args...) CX18_DEBUG(CX18_DBGFLG_IRQ, "irq", fmt , ## args) 186 187#define CX18_DEBUG_HIGH_VOL(x, type, fmt, args...) \ 188 do { \ 189 if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ 190 v4l2_info(&cx->v4l2_dev, " " type ": " fmt , ## args); \ 191 } while (0) 192#define CX18_DEBUG_HI_WARN(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_WARN, "warning", fmt , ## args) 193#define CX18_DEBUG_HI_INFO(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_INFO, "info", fmt , ## args) 194#define CX18_DEBUG_HI_API(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_API, "api", fmt , ## args) 195#define CX18_DEBUG_HI_DMA(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_DMA, "dma", fmt , ## args) 196#define CX18_DEBUG_HI_IOCTL(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IOCTL, "ioctl", fmt , ## args) 197#define CX18_DEBUG_HI_FILE(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_FILE, "file", fmt , ## args) 198#define CX18_DEBUG_HI_I2C(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_I2C, "i2c", fmt , ## args) 199#define CX18_DEBUG_HI_IRQ(fmt, args...) CX18_DEBUG_HIGH_VOL(CX18_DBGFLG_IRQ, "irq", fmt , ## args) 200 201/* Standard kernel messages */ 202#define CX18_ERR(fmt, args...) v4l2_err(&cx->v4l2_dev, fmt , ## args) 203#define CX18_WARN(fmt, args...) v4l2_warn(&cx->v4l2_dev, fmt , ## args) 204#define CX18_INFO(fmt, args...) v4l2_info(&cx->v4l2_dev, fmt , ## args) 205 206/* Messages for internal subdevs to use */ 207#define CX18_DEBUG_DEV(x, dev, type, fmt, args...) \ 208 do { \ 209 if ((x) & cx18_debug) \ 210 v4l2_info(dev, " " type ": " fmt , ## args); \ 211 } while (0) 212#define CX18_DEBUG_WARN_DEV(dev, fmt, args...) \ 213 CX18_DEBUG_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) 214#define CX18_DEBUG_INFO_DEV(dev, fmt, args...) \ 215 CX18_DEBUG_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) 216#define CX18_DEBUG_API_DEV(dev, fmt, args...) \ 217 CX18_DEBUG_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) 218#define CX18_DEBUG_DMA_DEV(dev, fmt, args...) \ 219 CX18_DEBUG_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) 220#define CX18_DEBUG_IOCTL_DEV(dev, fmt, args...) \ 221 CX18_DEBUG_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) 222#define CX18_DEBUG_FILE_DEV(dev, fmt, args...) \ 223 CX18_DEBUG_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) 224#define CX18_DEBUG_I2C_DEV(dev, fmt, args...) \ 225 CX18_DEBUG_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) 226#define CX18_DEBUG_IRQ_DEV(dev, fmt, args...) \ 227 CX18_DEBUG_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) 228 229#define CX18_DEBUG_HIGH_VOL_DEV(x, dev, type, fmt, args...) \ 230 do { \ 231 if (((x) & cx18_debug) && (cx18_debug & CX18_DBGFLG_HIGHVOL)) \ 232 v4l2_info(dev, " " type ": " fmt , ## args); \ 233 } while (0) 234#define CX18_DEBUG_HI_WARN_DEV(dev, fmt, args...) \ 235 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_WARN, dev, "warning", fmt , ## args) 236#define CX18_DEBUG_HI_INFO_DEV(dev, fmt, args...) \ 237 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_INFO, dev, "info", fmt , ## args) 238#define CX18_DEBUG_HI_API_DEV(dev, fmt, args...) \ 239 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_API, dev, "api", fmt , ## args) 240#define CX18_DEBUG_HI_DMA_DEV(dev, fmt, args...) \ 241 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_DMA, dev, "dma", fmt , ## args) 242#define CX18_DEBUG_HI_IOCTL_DEV(dev, fmt, args...) \ 243 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IOCTL, dev, "ioctl", fmt , ## args) 244#define CX18_DEBUG_HI_FILE_DEV(dev, fmt, args...) \ 245 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_FILE, dev, "file", fmt , ## args) 246#define CX18_DEBUG_HI_I2C_DEV(dev, fmt, args...) \ 247 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_I2C, dev, "i2c", fmt , ## args) 248#define CX18_DEBUG_HI_IRQ_DEV(dev, fmt, args...) \ 249 CX18_DEBUG_HIGH_VOL_DEV(CX18_DBGFLG_IRQ, dev, "irq", fmt , ## args) 250 251#define CX18_ERR_DEV(dev, fmt, args...) v4l2_err(dev, fmt , ## args) 252#define CX18_WARN_DEV(dev, fmt, args...) v4l2_warn(dev, fmt , ## args) 253#define CX18_INFO_DEV(dev, fmt, args...) v4l2_info(dev, fmt , ## args) 254 255extern int cx18_debug; 256 257struct cx18_options { 258 int megabytes[CX18_MAX_STREAMS]; /* Size in megabytes of each stream */ 259 int cardtype; /* force card type on load */ 260 int tuner; /* set tuner on load */ 261 int radio; /* enable/disable radio */ 262}; 263 264/* per-mdl bit flags */ 265#define CX18_F_M_NEED_SWAP 0 /* mdl buffer data must be endianness swapped */ 266 267/* per-stream, s_flags */ 268#define CX18_F_S_CLAIMED 3 /* this stream is claimed */ 269#define CX18_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ 270#define CX18_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ 271#define CX18_F_S_STREAMOFF 7 /* signal end of stream EOS */ 272#define CX18_F_S_APPL_IO 8 /* this stream is used read/written by an application */ 273#define CX18_F_S_STOPPING 9 /* telling the fw to stop capturing */ 274 275/* per-cx18, i_flags */ 276#define CX18_F_I_LOADED_FW 0 /* Loaded firmware 1st time */ 277#define CX18_F_I_EOS 4 /* End of encoder stream */ 278#define CX18_F_I_RADIO_USER 5 /* radio tuner is selected */ 279#define CX18_F_I_ENC_PAUSED 13 /* the encoder is paused */ 280#define CX18_F_I_INITED 21 /* set after first open */ 281#define CX18_F_I_FAILED 22 /* set if first open failed */ 282 283/* These are the VBI types as they appear in the embedded VBI private packets. */ 284#define CX18_SLICED_TYPE_TELETEXT_B (1) 285#define CX18_SLICED_TYPE_CAPTION_525 (4) 286#define CX18_SLICED_TYPE_WSS_625 (5) 287#define CX18_SLICED_TYPE_VPS (7) 288 289/** 290 * list_entry_is_past_end - check if a previous loop cursor is off list end 291 * @pos: the type * previously used as a loop cursor. 292 * @head: the head for your list. 293 * @member: the name of the list_head within the struct. 294 * 295 * Check if the entry's list_head is the head of the list, thus it's not a 296 * real entry but was the loop cursor that walked past the end 297 */ 298#define list_entry_is_past_end(pos, head, member) \ 299 (&pos->member == (head)) 300 301struct cx18_buffer { 302 struct list_head list; 303 dma_addr_t dma_handle; 304 char *buf; 305 306 u32 bytesused; 307 u32 readpos; 308}; 309 310struct cx18_mdl { 311 struct list_head list; 312 u32 id; /* index into cx->scb->cpu_mdl[] of 1st cx18_mdl_ent */ 313 314 unsigned int skipped; 315 unsigned long m_flags; 316 317 struct list_head buf_list; 318 struct cx18_buffer *curr_buf; /* current buffer in list for reading */ 319 320 u32 bytesused; 321 u32 readpos; 322}; 323 324struct cx18_queue { 325 struct list_head list; 326 atomic_t depth; 327 u32 bytesused; 328 spinlock_t lock; 329}; 330 331struct cx18_stream; /* forward reference */ 332 333struct cx18_dvb { 334 struct cx18_stream *stream; 335 struct dmx_frontend hw_frontend; 336 struct dmx_frontend mem_frontend; 337 struct dmxdev dmxdev; 338 struct dvb_adapter dvb_adapter; 339 struct dvb_demux demux; 340 struct dvb_frontend *fe; 341 struct dvb_net dvbnet; 342 int enabled; 343 int feeding; 344 struct mutex feedlock; 345}; 346 347struct cx18; /* forward reference */ 348struct cx18_scb; /* forward reference */ 349 350 351#define CX18_MAX_MDL_ACKS 2 352#define CX18_MAX_IN_WORK_ORDERS (CX18_MAX_FW_MDLS_PER_STREAM + 7) 353/* CPU_DE_RELEASE_MDL can burst CX18_MAX_FW_MDLS_PER_STREAM orders in a group */ 354 355#define CX18_F_EWO_MB_STALE_UPON_RECEIPT 0x1 356#define CX18_F_EWO_MB_STALE_WHILE_PROC 0x2 357#define CX18_F_EWO_MB_STALE \ 358 (CX18_F_EWO_MB_STALE_UPON_RECEIPT | CX18_F_EWO_MB_STALE_WHILE_PROC) 359 360struct cx18_in_work_order { 361 struct work_struct work; 362 atomic_t pending; 363 struct cx18 *cx; 364 unsigned long flags; 365 int rpu; 366 struct cx18_mailbox mb; 367 struct cx18_mdl_ack mdl_ack[CX18_MAX_MDL_ACKS]; 368 char *str; 369}; 370 371#define CX18_INVALID_TASK_HANDLE 0xffffffff 372 373struct cx18_stream { 374 /* These first five fields are always set, even if the stream 375 is not actually created. */ 376 struct video_device video_dev; /* v4l2_dev is NULL when stream not created */ 377 struct cx18_dvb *dvb; /* DVB / Digital Transport */ 378 struct cx18 *cx; /* for ease of use */ 379 const char *name; /* name of the stream */ 380 int type; /* stream type */ 381 u32 handle; /* task handle */ 382 u32 v4l2_dev_caps; /* device capabilities */ 383 unsigned int mdl_base_idx; 384 385 u32 id; 386 unsigned long s_flags; /* status flags, see above */ 387 int dma; /* can be PCI_DMA_TODEVICE, 388 PCI_DMA_FROMDEVICE or 389 PCI_DMA_NONE */ 390 wait_queue_head_t waitq; 391 392 /* Buffers */ 393 struct list_head buf_pool; /* buffers not attached to an MDL */ 394 u32 buffers; /* total buffers owned by this stream */ 395 u32 buf_size; /* size in bytes of a single buffer */ 396 397 /* MDL sizes - all stream MDLs are the same size */ 398 u32 bufs_per_mdl; 399 u32 mdl_size; /* total bytes in all buffers in a mdl */ 400 401 /* MDL Queues */ 402 struct cx18_queue q_free; /* free - in rotation, not committed */ 403 struct cx18_queue q_busy; /* busy - in use by firmware */ 404 struct cx18_queue q_full; /* full - data for user apps */ 405 struct cx18_queue q_idle; /* idle - not in rotation */ 406 407 struct work_struct out_work_order; 408 409 /* Videobuf for YUV video */ 410 u32 pixelformat; 411 u32 vb_bytes_per_frame; 412 u32 vb_bytes_per_line; 413 struct list_head vb_capture; /* video capture queue */ 414 spinlock_t vb_lock; 415 struct timer_list vb_timeout; 416 417 struct videobuf_queue vbuf_q; 418 spinlock_t vbuf_q_lock; /* Protect vbuf_q */ 419 enum v4l2_buf_type vb_type; 420}; 421 422struct cx18_videobuf_buffer { 423 /* Common video buffer sub-system struct */ 424 struct videobuf_buffer vb; 425 v4l2_std_id tvnorm; /* selected tv norm */ 426 u32 bytes_used; 427}; 428 429struct cx18_open_id { 430 struct v4l2_fh fh; 431 u32 open_id; 432 int type; 433 struct cx18 *cx; 434}; 435 436static inline struct cx18_open_id *fh2id(struct v4l2_fh *fh) 437{ 438 return container_of(fh, struct cx18_open_id, fh); 439} 440 441static inline struct cx18_open_id *file2id(struct file *file) 442{ 443 return fh2id(file->private_data); 444} 445 446/* forward declaration of struct defined in cx18-cards.h */ 447struct cx18_card; 448 449/* 450 * A note about "sliced" VBI data as implemented in this driver: 451 * 452 * Currently we collect the sliced VBI in the form of Ancillary Data 453 * packets, inserted by the AV core decoder/digitizer/slicer in the 454 * horizontal blanking region of the VBI lines, in "raw" mode as far as 455 * the Encoder is concerned. We don't ever tell the Encoder itself 456 * to provide sliced VBI. (AV Core: sliced mode - Encoder: raw mode) 457 * 458 * We then process the ancillary data ourselves to send the sliced data 459 * to the user application directly or build up MPEG-2 private stream 1 460 * packets to splice into (only!) MPEG-2 PS streams for the user app. 461 * 462 * (That's how ivtv essentially does it.) 463 * 464 * The Encoder should be able to extract certain sliced VBI data for 465 * us and provide it in a separate stream or splice it into any type of 466 * MPEG PS or TS stream, but this isn't implemented yet. 467 */ 468 469/* 470 * Number of "raw" VBI samples per horizontal line we tell the Encoder to 471 * grab from the decoder/digitizer/slicer output for raw or sliced VBI. 472 * It depends on the pixel clock and the horiz rate: 473 * 474 * (1/Fh)*(2*Fp) = Samples/line 475 * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples 476 * 477 * Sliced VBI data is sent as ancillary data during horizontal blanking 478 * Raw VBI is sent as active video samples during vertcal blanking 479 * 480 * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line 481 * length of 720 pixels @ 4:2:2 sampling. Thus... 482 * 483 * For systems that use a 15.734 kHz horizontal rate, such as 484 * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: 485 * 486 * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = 487 * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples 488 * 489 * For systems that use a 15.625 kHz horizontal rate, such as 490 * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: 491 * 492 * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = 493 * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples 494 */ 495static const u32 vbi_active_samples = 1444; /* 4 byte SAV + 720 Y + 720 U/V */ 496static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */ 497static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */ 498 499#define CX18_VBI_FRAMES 32 500 501struct vbi_info { 502 /* Current state of v4l2 VBI settings for this device */ 503 struct v4l2_format in; 504 struct v4l2_sliced_vbi_format *sliced_in; /* pointer to in.fmt.sliced */ 505 u32 count; /* Count of VBI data lines: 60 Hz: 12 or 50 Hz: 18 */ 506 u32 start[2]; /* First VBI data line per field: 10 & 273 or 6 & 318 */ 507 508 u32 frame; /* Count of VBI buffers/frames received from Encoder */ 509 510 /* 511 * Vars for creation and insertion of MPEG Private Stream 1 packets 512 * of sliced VBI data into an MPEG PS 513 */ 514 515 /* Boolean: create and insert Private Stream 1 packets into the PS */ 516 int insert_mpeg; 517 518 /* 519 * Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. 520 * Used in cx18-vbi.c only for collecting sliced data, and as a source 521 * during conversion of sliced VBI data into MPEG Priv Stream 1 packets. 522 * We don't need to save state here, but the array may have been a bit 523 * too big (2304 bytes) to alloc from the stack. 524 */ 525 struct v4l2_sliced_vbi_data sliced_data[36]; 526 527 /* 528 * A ring buffer of driver-generated MPEG-2 PS 529 * Program Pack/Private Stream 1 packets for sliced VBI data insertion 530 * into the MPEG PS stream. 531 * 532 * In each sliced_mpeg_data[] buffer is: 533 * 16 byte MPEG-2 PS Program Pack Header 534 * 16 byte MPEG-2 Private Stream 1 PES Header 535 * 4 byte magic number: "itv0" or "ITV0" 536 * 4 byte first field line mask, if "itv0" 537 * 4 byte second field line mask, if "itv0" 538 * 36 lines, if "ITV0"; or <36 lines, if "itv0"; of sliced VBI data 539 * 540 * Each line in the payload is 541 * 1 byte line header derived from the SDID (WSS, CC, VPS, etc.) 542 * 42 bytes of line data 543 * 544 * That's a maximum 1552 bytes of payload in the Private Stream 1 packet 545 * which is the payload size a PVR-350 (CX23415) MPEG decoder will 546 * accept for VBI data. So, including the headers, it's a maximum 1584 547 * bytes total. 548 */ 549#define CX18_SLICED_MPEG_DATA_MAXSZ 1584 550 /* copy_vbi_buf() needs 8 temp bytes on the end for the worst case */ 551#define CX18_SLICED_MPEG_DATA_BUFSZ (CX18_SLICED_MPEG_DATA_MAXSZ+8) 552 u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; 553 u32 sliced_mpeg_size[CX18_VBI_FRAMES]; 554 555 /* Count of Program Pack/Program Stream 1 packets inserted into PS */ 556 u32 inserted_frame; 557 558 /* 559 * A dummy driver stream transfer mdl & buffer with a copy of the next 560 * sliced_mpeg_data[] buffer for output to userland apps. 561 * Only used in cx18-fileops.c, but its state needs to persist at times. 562 */ 563 struct cx18_mdl sliced_mpeg_mdl; 564 struct cx18_buffer sliced_mpeg_buf; 565}; 566 567/* Per cx23418, per I2C bus private algo callback data */ 568struct cx18_i2c_algo_callback_data { 569 struct cx18 *cx; 570 int bus_index; /* 0 or 1 for the cx23418's 1st or 2nd I2C bus */ 571}; 572 573#define CX18_MAX_MMIO_WR_RETRIES 10 574 575/* Struct to hold info about cx18 cards */ 576struct cx18 { 577 int instance; 578 struct pci_dev *pci_dev; 579 struct v4l2_device v4l2_dev; 580 struct v4l2_subdev *sd_av; /* A/V decoder/digitizer sub-device */ 581 struct v4l2_subdev *sd_extmux; /* External multiplexer sub-dev */ 582 583 const struct cx18_card *card; /* card information */ 584 const char *card_name; /* full name of the card */ 585 const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ 586 u8 is_50hz; 587 u8 is_60hz; 588 u8 nof_inputs; /* number of video inputs */ 589 u8 nof_audio_inputs; /* number of audio inputs */ 590 u32 v4l2_cap; /* V4L2 capabilities of card */ 591 u32 hw_flags; /* Hardware description of the board */ 592 unsigned int free_mdl_idx; 593 struct cx18_scb __iomem *scb; /* pointer to SCB */ 594 struct mutex epu2apu_mb_lock; /* protect driver to chip mailbox in SCB*/ 595 struct mutex epu2cpu_mb_lock; /* protect driver to chip mailbox in SCB*/ 596 597 struct cx18_av_state av_state; 598 599 /* codec settings */ 600 struct cx2341x_handler cxhdl; 601 u32 filter_mode; 602 u32 temporal_strength; 603 u32 spatial_strength; 604 605 /* dualwatch */ 606 unsigned long dualwatch_jiffies; 607 u32 dualwatch_stereo_mode; 608 609 struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ 610 struct cx18_options options; /* User options */ 611 int stream_buffers[CX18_MAX_STREAMS]; /* # of buffers for each stream */ 612 int stream_buf_size[CX18_MAX_STREAMS]; /* Stream buffer size */ 613 struct cx18_stream streams[CX18_MAX_STREAMS]; /* Stream data */ 614 struct snd_cx18_card *alsa; /* ALSA interface for PCM capture stream */ 615 void (*pcm_announce_callback)(struct snd_cx18_card *card, u8 *pcm_data, 616 size_t num_bytes); 617 618 unsigned long i_flags; /* global cx18 flags */ 619 atomic_t ana_capturing; /* count number of active analog capture streams */ 620 atomic_t tot_capturing; /* total count number of active capture streams */ 621 int search_pack_header; 622 623 int open_id; /* incremented each time an open occurs, used as 624 unique ID. Starts at 1, so 0 can be used as 625 uninitialized value in the stream->id. */ 626 627 resource_size_t base_addr; 628 629 u8 card_rev; 630 void __iomem *enc_mem, *reg_mem; 631 632 struct vbi_info vbi; 633 634 u64 mpg_data_received; 635 u64 vbi_data_inserted; 636 637 wait_queue_head_t mb_apu_waitq; 638 wait_queue_head_t mb_cpu_waitq; 639 wait_queue_head_t cap_w; 640 /* when the current DMA is finished this queue is woken up */ 641 wait_queue_head_t dma_waitq; 642 643 u32 sw1_irq_mask; 644 u32 sw2_irq_mask; 645 u32 hw2_irq_mask; 646 647 struct workqueue_struct *in_work_queue; 648 char in_workq_name[11]; /* "cx18-NN-in" */ 649 struct cx18_in_work_order in_work_order[CX18_MAX_IN_WORK_ORDERS]; 650 char epu_debug_str[256]; /* CX18_EPU_DEBUG is rare: use shared space */ 651 652 /* i2c */ 653 struct i2c_adapter i2c_adap[2]; 654 struct i2c_algo_bit_data i2c_algo[2]; 655 struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; 656 657 struct IR_i2c_init_data ir_i2c_init_data; 658 659 /* gpio */ 660 u32 gpio_dir; 661 u32 gpio_val; 662 struct mutex gpio_lock; 663 struct v4l2_subdev sd_gpiomux; 664 struct v4l2_subdev sd_resetctrl; 665 666 /* v4l2 and User settings */ 667 668 /* codec settings */ 669 u32 audio_input; 670 u32 active_input; 671 v4l2_std_id std; 672 v4l2_std_id tuner_std; /* The norm of the tuner (fixed) */ 673 674 /* Used for cx18-alsa module loading */ 675 struct work_struct request_module_wk; 676}; 677 678static inline struct cx18 *to_cx18(struct v4l2_device *v4l2_dev) 679{ 680 return container_of(v4l2_dev, struct cx18, v4l2_dev); 681} 682 683/* cx18 extensions to be loaded */ 684extern int (*cx18_ext_init)(struct cx18 *); 685 686/* Globals */ 687extern int cx18_first_minor; 688 689/*==============Prototypes==================*/ 690 691/* Return non-zero if a signal is pending */ 692int cx18_msleep_timeout(unsigned int msecs, int intr); 693 694/* Read Hauppauge eeprom */ 695struct tveeprom; /* forward reference */ 696void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv); 697 698/* First-open initialization: load firmware, etc. */ 699int cx18_init_on_first_open(struct cx18 *cx); 700 701/* Test if the current VBI mode is raw (1) or sliced (0) */ 702static inline int cx18_raw_vbi(const struct cx18 *cx) 703{ 704 return cx->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; 705} 706 707/* Call the specified callback for all subdevs with a grp_id bit matching the 708 * mask in hw (if 0, then match them all). Ignore any errors. */ 709#define cx18_call_hw(cx, hw, o, f, args...) \ 710 do { \ 711 struct v4l2_subdev *__sd; \ 712 __v4l2_device_call_subdevs_p(&(cx)->v4l2_dev, __sd, \ 713 !(hw) || (__sd->grp_id & (hw)), o, f , ##args); \ 714 } while (0) 715 716#define cx18_call_all(cx, o, f, args...) cx18_call_hw(cx, 0, o, f , ##args) 717 718/* Call the specified callback for all subdevs with a grp_id bit matching the 719 * mask in hw (if 0, then match them all). If the callback returns an error 720 * other than 0 or -ENOIOCTLCMD, then return with that error code. */ 721#define cx18_call_hw_err(cx, hw, o, f, args...) \ 722({ \ 723 struct v4l2_subdev *__sd; \ 724 __v4l2_device_call_subdevs_until_err_p(&(cx)->v4l2_dev, \ 725 __sd, !(hw) || (__sd->grp_id & (hw)), o, f, \ 726 ##args); \ 727}) 728 729#define cx18_call_all_err(cx, o, f, args...) \ 730 cx18_call_hw_err(cx, 0, o, f , ##args) 731 732#endif /* CX18_DRIVER_H */ 733