diff options
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-driver.h')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-driver.h | 839 |
1 files changed, 0 insertions, 839 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h deleted file mode 100644 index a7e00f8938f8..000000000000 --- a/drivers/media/video/ivtv/ivtv-driver.h +++ /dev/null @@ -1,839 +0,0 @@ -/* - ivtv driver internal defines and structures - Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com> - Copyright (C) 2004 Chris Kennedy <c@groovy.org> - Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef IVTV_DRIVER_H -#define IVTV_DRIVER_H - -/* Internal header for ivtv project: - * Driver for the cx23415/6 chip. - * Author: Kevin Thayer (nufan_wfk at yahoo.com) - * License: GPL - * http://www.ivtvdriver.org - * - * ----- - * MPG600/MPG160 support by T.Adachi <tadachi@tadachi-net.com> - * and Takeru KOMORIYA<komoriya@paken.org> - * - * AVerMedia M179 GPIO info by Chris Pinkham <cpinkham@bc2va.org> - * using information provided by Jiun-Kuei Jung @ AVerMedia. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/sched.h> -#include <linux/fs.h> -#include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/i2c.h> -#include <linux/i2c-algo-bit.h> -#include <linux/list.h> -#include <linux/unistd.h> -#include <linux/pagemap.h> -#include <linux/scatterlist.h> -#include <linux/kthread.h> -#include <linux/mutex.h> -#include <linux/slab.h> -#include <asm/uaccess.h> -#include <asm/byteorder.h> - -#include <linux/dvb/video.h> -#include <linux/dvb/audio.h> -#include <media/v4l2-common.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include <media/v4l2-fh.h> -#include <media/tuner.h> -#include <media/cx2341x.h> -#include <media/ir-kbd-i2c.h> - -#include <linux/ivtv.h> - -/* Memory layout */ -#define IVTV_ENCODER_OFFSET 0x00000000 -#define IVTV_ENCODER_SIZE 0x00800000 /* Total size is 0x01000000, but only first half is used */ -#define IVTV_DECODER_OFFSET 0x01000000 -#define IVTV_DECODER_SIZE 0x00800000 /* Total size is 0x01000000, but only first half is used */ -#define IVTV_REG_OFFSET 0x02000000 -#define IVTV_REG_SIZE 0x00010000 - -/* Maximum ivtv driver instances. Some people have a huge number of - capture cards, so set this to a high value. */ -#define IVTV_MAX_CARDS 32 - -#define IVTV_ENC_STREAM_TYPE_MPG 0 -#define IVTV_ENC_STREAM_TYPE_YUV 1 -#define IVTV_ENC_STREAM_TYPE_VBI 2 -#define IVTV_ENC_STREAM_TYPE_PCM 3 -#define IVTV_ENC_STREAM_TYPE_RAD 4 -#define IVTV_DEC_STREAM_TYPE_MPG 5 -#define IVTV_DEC_STREAM_TYPE_VBI 6 -#define IVTV_DEC_STREAM_TYPE_VOUT 7 -#define IVTV_DEC_STREAM_TYPE_YUV 8 -#define IVTV_MAX_STREAMS 9 - -#define IVTV_DMA_SG_OSD_ENT (2883584/PAGE_SIZE) /* sg entities */ - -/* DMA Registers */ -#define IVTV_REG_DMAXFER (0x0000) -#define IVTV_REG_DMASTATUS (0x0004) -#define IVTV_REG_DECDMAADDR (0x0008) -#define IVTV_REG_ENCDMAADDR (0x000c) -#define IVTV_REG_DMACONTROL (0x0010) -#define IVTV_REG_IRQSTATUS (0x0040) -#define IVTV_REG_IRQMASK (0x0048) - -/* Setup Registers */ -#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8) -#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC) -#define IVTV_REG_DEC_SDRAM_REFRESH (0x08F8) -#define IVTV_REG_DEC_SDRAM_PRECHARGE (0x08FC) -#define IVTV_REG_VDM (0x2800) -#define IVTV_REG_AO (0x2D00) -#define IVTV_REG_BYTEFLUSH (0x2D24) -#define IVTV_REG_SPU (0x9050) -#define IVTV_REG_HW_BLOCKS (0x9054) -#define IVTV_REG_VPU (0x9058) -#define IVTV_REG_APU (0xA064) - -/* Other registers */ -#define IVTV_REG_DEC_LINE_FIELD (0x28C0) - -/* debugging */ -extern int ivtv_debug; -#ifdef CONFIG_VIDEO_ADV_DEBUG -extern int ivtv_fw_debug; -#endif - -#define IVTV_DBGFLG_WARN (1 << 0) -#define IVTV_DBGFLG_INFO (1 << 1) -#define IVTV_DBGFLG_MB (1 << 2) -#define IVTV_DBGFLG_IOCTL (1 << 3) -#define IVTV_DBGFLG_FILE (1 << 4) -#define IVTV_DBGFLG_DMA (1 << 5) -#define IVTV_DBGFLG_IRQ (1 << 6) -#define IVTV_DBGFLG_DEC (1 << 7) -#define IVTV_DBGFLG_YUV (1 << 8) -#define IVTV_DBGFLG_I2C (1 << 9) -/* Flag to turn on high volume debugging */ -#define IVTV_DBGFLG_HIGHVOL (1 << 10) - -#define IVTV_DEBUG(x, type, fmt, args...) \ - do { \ - if ((x) & ivtv_debug) \ - v4l2_info(&itv->v4l2_dev, " " type ": " fmt , ##args); \ - } while (0) -#define IVTV_DEBUG_WARN(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_WARN, "warn", fmt , ## args) -#define IVTV_DEBUG_INFO(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_INFO, "info", fmt , ## args) -#define IVTV_DEBUG_MB(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_MB, "mb", fmt , ## args) -#define IVTV_DEBUG_DMA(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DMA, "dma", fmt , ## args) -#define IVTV_DEBUG_IOCTL(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args) -#define IVTV_DEBUG_FILE(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_FILE, "file", fmt , ## args) -#define IVTV_DEBUG_I2C(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_I2C, "i2c", fmt , ## args) -#define IVTV_DEBUG_IRQ(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_IRQ, "irq", fmt , ## args) -#define IVTV_DEBUG_DEC(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_DEC, "dec", fmt , ## args) -#define IVTV_DEBUG_YUV(fmt, args...) IVTV_DEBUG(IVTV_DBGFLG_YUV, "yuv", fmt , ## args) - -#define IVTV_DEBUG_HIGH_VOL(x, type, fmt, args...) \ - do { \ - if (((x) & ivtv_debug) && (ivtv_debug & IVTV_DBGFLG_HIGHVOL)) \ - v4l2_info(&itv->v4l2_dev, " " type ": " fmt , ##args); \ - } while (0) -#define IVTV_DEBUG_HI_WARN(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_WARN, "warn", fmt , ## args) -#define IVTV_DEBUG_HI_INFO(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_INFO, "info", fmt , ## args) -#define IVTV_DEBUG_HI_MB(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_MB, "mb", fmt , ## args) -#define IVTV_DEBUG_HI_DMA(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_DMA, "dma", fmt , ## args) -#define IVTV_DEBUG_HI_IOCTL(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_IOCTL, "ioctl", fmt , ## args) -#define IVTV_DEBUG_HI_FILE(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_FILE, "file", fmt , ## args) -#define IVTV_DEBUG_HI_I2C(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_I2C, "i2c", fmt , ## args) -#define IVTV_DEBUG_HI_IRQ(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_IRQ, "irq", fmt , ## args) -#define IVTV_DEBUG_HI_DEC(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_DEC, "dec", fmt , ## args) -#define IVTV_DEBUG_HI_YUV(fmt, args...) IVTV_DEBUG_HIGH_VOL(IVTV_DBGFLG_YUV, "yuv", fmt , ## args) - -/* Standard kernel messages */ -#define IVTV_ERR(fmt, args...) v4l2_err(&itv->v4l2_dev, fmt , ## args) -#define IVTV_WARN(fmt, args...) v4l2_warn(&itv->v4l2_dev, fmt , ## args) -#define IVTV_INFO(fmt, args...) v4l2_info(&itv->v4l2_dev, fmt , ## args) - -/* output modes (cx23415 only) */ -#define OUT_NONE 0 -#define OUT_MPG 1 -#define OUT_YUV 2 -#define OUT_UDMA_YUV 3 -#define OUT_PASSTHROUGH 4 - -#define IVTV_MAX_PGM_INDEX (400) - -/* Default I2C SCL period in microseconds */ -#define IVTV_DEFAULT_I2C_CLOCK_PERIOD 20 - -struct ivtv_options { - int kilobytes[IVTV_MAX_STREAMS]; /* size in kilobytes of each stream */ - int cardtype; /* force card type on load */ - int tuner; /* set tuner on load */ - int radio; /* enable/disable radio */ - int newi2c; /* new I2C algorithm */ - int i2c_clock_period; /* period of SCL for I2C bus */ -}; - -/* ivtv-specific mailbox template */ -struct ivtv_mailbox { - u32 flags; - u32 cmd; - u32 retval; - u32 timeout; - u32 data[CX2341X_MBOX_MAX_DATA]; -}; - -struct ivtv_api_cache { - unsigned long last_jiffies; /* when last command was issued */ - u32 data[CX2341X_MBOX_MAX_DATA]; /* last sent api data */ -}; - -struct ivtv_mailbox_data { - volatile struct ivtv_mailbox __iomem *mbox; - /* Bits 0-2 are for the encoder mailboxes, 0-1 are for the decoder mailboxes. - If the bit is set, then the corresponding mailbox is in use by the driver. */ - unsigned long busy; - u8 max_mbox; -}; - -/* per-buffer bit flags */ -#define IVTV_F_B_NEED_BUF_SWAP (1 << 0) /* this buffer should be byte swapped */ - -/* per-stream, s_flags */ -#define IVTV_F_S_DMA_PENDING 0 /* this stream has pending DMA */ -#define IVTV_F_S_DMA_HAS_VBI 1 /* the current DMA request also requests VBI data */ -#define IVTV_F_S_NEEDS_DATA 2 /* this decoding stream needs more data */ - -#define IVTV_F_S_CLAIMED 3 /* this stream is claimed */ -#define IVTV_F_S_STREAMING 4 /* the fw is decoding/encoding this stream */ -#define IVTV_F_S_INTERNAL_USE 5 /* this stream is used internally (sliced VBI processing) */ -#define IVTV_F_S_PASSTHROUGH 6 /* this stream is in passthrough mode */ -#define IVTV_F_S_STREAMOFF 7 /* signal end of stream EOS */ -#define IVTV_F_S_APPL_IO 8 /* this stream is used read/written by an application */ - -#define IVTV_F_S_PIO_PENDING 9 /* this stream has pending PIO */ -#define IVTV_F_S_PIO_HAS_VBI 1 /* the current PIO request also requests VBI data */ - -/* per-ivtv, i_flags */ -#define IVTV_F_I_DMA 0 /* DMA in progress */ -#define IVTV_F_I_UDMA 1 /* UDMA in progress */ -#define IVTV_F_I_UDMA_PENDING 2 /* UDMA pending */ -#define IVTV_F_I_SPEED_CHANGE 3 /* a speed change is in progress */ -#define IVTV_F_I_EOS 4 /* end of encoder stream reached */ -#define IVTV_F_I_RADIO_USER 5 /* the radio tuner is selected */ -#define IVTV_F_I_DIG_RST 6 /* reset digitizer */ -#define IVTV_F_I_DEC_YUV 7 /* YUV instead of MPG is being decoded */ -#define IVTV_F_I_UPDATE_CC 9 /* CC should be updated */ -#define IVTV_F_I_UPDATE_WSS 10 /* WSS should be updated */ -#define IVTV_F_I_UPDATE_VPS 11 /* VPS should be updated */ -#define IVTV_F_I_DECODING_YUV 12 /* this stream is YUV frame decoding */ -#define IVTV_F_I_ENC_PAUSED 13 /* the encoder is paused */ -#define IVTV_F_I_VALID_DEC_TIMINGS 14 /* last_dec_timing is valid */ -#define IVTV_F_I_HAVE_WORK 15 /* used in the interrupt handler: there is work to be done */ -#define IVTV_F_I_WORK_HANDLER_VBI 16 /* there is work to be done for VBI */ -#define IVTV_F_I_WORK_HANDLER_YUV 17 /* there is work to be done for YUV */ -#define IVTV_F_I_WORK_HANDLER_PIO 18 /* there is work to be done for PIO */ -#define IVTV_F_I_PIO 19 /* PIO in progress */ -#define IVTV_F_I_DEC_PAUSED 20 /* the decoder is paused */ -#define IVTV_F_I_INITED 21 /* set after first open */ -#define IVTV_F_I_FAILED 22 /* set if first open failed */ - -/* Event notifications */ -#define IVTV_F_I_EV_DEC_STOPPED 28 /* decoder stopped event */ -#define IVTV_F_I_EV_VSYNC 29 /* VSYNC event */ -#define IVTV_F_I_EV_VSYNC_FIELD 30 /* VSYNC event field (0 = first, 1 = second field) */ -#define IVTV_F_I_EV_VSYNC_ENABLED 31 /* VSYNC event enabled */ - -/* Scatter-Gather array element, used in DMA transfers */ -struct ivtv_sg_element { - __le32 src; - __le32 dst; - __le32 size; -}; - -struct ivtv_sg_host_element { - u32 src; - u32 dst; - u32 size; -}; - -struct ivtv_user_dma { - struct mutex lock; - int page_count; - struct page *map[IVTV_DMA_SG_OSD_ENT]; - /* Needed when dealing with highmem userspace buffers */ - struct page *bouncemap[IVTV_DMA_SG_OSD_ENT]; - - /* Base Dev SG Array for cx23415/6 */ - struct ivtv_sg_element SGarray[IVTV_DMA_SG_OSD_ENT]; - dma_addr_t SG_handle; - int SG_length; - - /* SG List of Buffers */ - struct scatterlist SGlist[IVTV_DMA_SG_OSD_ENT]; -}; - -struct ivtv_dma_page_info { - unsigned long uaddr; - unsigned long first; - unsigned long last; - unsigned int offset; - unsigned int tail; - int page_count; -}; - -struct ivtv_buffer { - struct list_head list; - dma_addr_t dma_handle; - unsigned short b_flags; - unsigned short dma_xfer_cnt; - char *buf; - u32 bytesused; - u32 readpos; -}; - -struct ivtv_queue { - struct list_head list; /* the list of buffers in this queue */ - u32 buffers; /* number of buffers in this queue */ - u32 length; /* total number of bytes of available buffer space */ - u32 bytesused; /* total number of bytes used in this queue */ -}; - -struct ivtv; /* forward reference */ - -struct ivtv_stream { - /* These first four fields are always set, even if the stream - is not actually created. */ - struct video_device *vdev; /* NULL when stream not created */ - struct ivtv *itv; /* for ease of use */ - const char *name; /* name of the stream */ - int type; /* stream type */ - u32 caps; /* V4L2 capabilities */ - - struct v4l2_fh *fh; /* pointer to the streaming filehandle */ - spinlock_t qlock; /* locks access to the queues */ - unsigned long s_flags; /* status flags, see above */ - int dma; /* can be PCI_DMA_TODEVICE, PCI_DMA_FROMDEVICE or PCI_DMA_NONE */ - u32 pending_offset; - u32 pending_backup; - u64 pending_pts; - - u32 dma_offset; - u32 dma_backup; - u64 dma_pts; - - int subtype; - wait_queue_head_t waitq; - u32 dma_last_offset; - - /* Buffer Stats */ - u32 buffers; - u32 buf_size; - u32 buffers_stolen; - - /* Buffer Queues */ - struct ivtv_queue q_free; /* free buffers */ - struct ivtv_queue q_full; /* full buffers */ - struct ivtv_queue q_io; /* waiting for I/O */ - struct ivtv_queue q_dma; /* waiting for DMA */ - struct ivtv_queue q_predma; /* waiting for DMA */ - - /* DMA xfer counter, buffers belonging to the same DMA - xfer will have the same dma_xfer_cnt. */ - u16 dma_xfer_cnt; - - /* Base Dev SG Array for cx23415/6 */ - struct ivtv_sg_host_element *sg_pending; - struct ivtv_sg_host_element *sg_processing; - struct ivtv_sg_element *sg_dma; - dma_addr_t sg_handle; - int sg_pending_size; - int sg_processing_size; - int sg_processed; - - /* SG List of Buffers */ - struct scatterlist *SGlist; -}; - -struct ivtv_open_id { - struct v4l2_fh fh; - int type; /* stream type */ - int yuv_frames; /* 1: started OUT_UDMA_YUV output mode */ - struct ivtv *itv; -}; - -static inline struct ivtv_open_id *fh2id(struct v4l2_fh *fh) -{ - return container_of(fh, struct ivtv_open_id, fh); -} - -struct yuv_frame_info -{ - u32 update; - s32 src_x; - s32 src_y; - u32 src_w; - u32 src_h; - s32 dst_x; - s32 dst_y; - u32 dst_w; - u32 dst_h; - s32 pan_x; - s32 pan_y; - u32 vis_w; - u32 vis_h; - u32 interlaced_y; - u32 interlaced_uv; - s32 tru_x; - u32 tru_w; - u32 tru_h; - u32 offset_y; - s32 lace_mode; - u32 sync_field; - u32 delay; - u32 interlaced; -}; - -#define IVTV_YUV_MODE_INTERLACED 0x00 -#define IVTV_YUV_MODE_PROGRESSIVE 0x01 -#define IVTV_YUV_MODE_AUTO 0x02 -#define IVTV_YUV_MODE_MASK 0x03 - -#define IVTV_YUV_SYNC_EVEN 0x00 -#define IVTV_YUV_SYNC_ODD 0x04 -#define IVTV_YUV_SYNC_MASK 0x04 - -#define IVTV_YUV_BUFFERS 8 - -struct yuv_playback_info -{ - u32 reg_2834; - u32 reg_2838; - u32 reg_283c; - u32 reg_2840; - u32 reg_2844; - u32 reg_2848; - u32 reg_2854; - u32 reg_285c; - u32 reg_2864; - - u32 reg_2870; - u32 reg_2874; - u32 reg_2890; - u32 reg_2898; - u32 reg_289c; - - u32 reg_2918; - u32 reg_291c; - u32 reg_2920; - u32 reg_2924; - u32 reg_2928; - u32 reg_292c; - u32 reg_2930; - - u32 reg_2934; - - u32 reg_2938; - u32 reg_293c; - u32 reg_2940; - u32 reg_2944; - u32 reg_2948; - u32 reg_294c; - u32 reg_2950; - u32 reg_2954; - u32 reg_2958; - u32 reg_295c; - u32 reg_2960; - u32 reg_2964; - u32 reg_2968; - u32 reg_296c; - - u32 reg_2970; - - int v_filter_1; - int v_filter_2; - int h_filter; - - u8 track_osd; /* Should yuv output track the OSD size & position */ - - u32 osd_x_offset; - u32 osd_y_offset; - - u32 osd_x_pan; - u32 osd_y_pan; - - u32 osd_vis_w; - u32 osd_vis_h; - - u32 osd_full_w; - u32 osd_full_h; - - int decode_height; - - int lace_mode; - int lace_threshold; - int lace_sync_field; - - atomic_t next_dma_frame; - atomic_t next_fill_frame; - - u32 yuv_forced_update; - int update_frame; - - u8 fields_lapsed; /* Counter used when delaying a frame */ - - struct yuv_frame_info new_frame_info[IVTV_YUV_BUFFERS]; - struct yuv_frame_info old_frame_info; - struct yuv_frame_info old_frame_info_args; - - void *blanking_ptr; - dma_addr_t blanking_dmaptr; - - int stream_size; - - u8 draw_frame; /* PVR350 buffer to draw into */ - u8 max_frames_buffered; /* Maximum number of frames to buffer */ - - struct v4l2_rect main_rect; - u32 v4l2_src_w; - u32 v4l2_src_h; - - u8 running; /* Have any frames been displayed */ -}; - -#define IVTV_VBI_FRAMES 32 - -/* VBI data */ -struct vbi_cc { - u8 odd[2]; /* two-byte payload of odd field */ - u8 even[2]; /* two-byte payload of even field */; -}; - -struct vbi_vps { - u8 data[5]; /* five-byte VPS payload */ -}; - -struct vbi_info { - /* VBI general data, does not change during streaming */ - - u32 raw_decoder_line_size; /* raw VBI line size from digitizer */ - u8 raw_decoder_sav_odd_field; /* raw VBI Start Active Video digitizer code of odd field */ - u8 raw_decoder_sav_even_field; /* raw VBI Start Active Video digitizer code of even field */ - u32 sliced_decoder_line_size; /* sliced VBI line size from digitizer */ - u8 sliced_decoder_sav_odd_field; /* sliced VBI Start Active Video digitizer code of odd field */ - u8 sliced_decoder_sav_even_field; /* sliced VBI Start Active Video digitizer code of even field */ - - u32 start[2]; /* start of first VBI line in the odd/even fields */ - u32 count; /* number of VBI lines per field */ - u32 raw_size; /* size of raw VBI line from the digitizer */ - u32 sliced_size; /* size of sliced VBI line from the digitizer */ - - u32 dec_start; /* start in decoder memory of VBI re-insertion buffers */ - u32 enc_start; /* start in encoder memory of VBI capture buffers */ - u32 enc_size; /* size of VBI capture area */ - int fpi; /* number of VBI frames per interrupt */ - - struct v4l2_format in; /* current VBI capture format */ - struct v4l2_sliced_vbi_format *sliced_in; /* convenience pointer to sliced struct in vbi.in union */ - int insert_mpeg; /* if non-zero, then embed VBI data in MPEG stream */ - - /* Raw VBI compatibility hack */ - - u32 frame; /* frame counter hack needed for backwards compatibility - of old VBI software */ - - /* Sliced VBI output data */ - - struct vbi_cc cc_payload[256]; /* sliced VBI CC payload array: it is an array to - prevent dropping CC data if they couldn't be - processed fast enough */ - int cc_payload_idx; /* index in cc_payload */ - u8 cc_missing_cnt; /* counts number of frames without CC for passthrough mode */ - int wss_payload; /* sliced VBI WSS payload */ - u8 wss_missing_cnt; /* counts number of frames without WSS for passthrough mode */ - struct vbi_vps vps_payload; /* sliced VBI VPS payload */ - - /* Sliced VBI capture data */ - - struct v4l2_sliced_vbi_data sliced_data[36]; /* sliced VBI storage for VBI encoder stream */ - struct v4l2_sliced_vbi_data sliced_dec_data[36];/* sliced VBI storage for VBI decoder stream */ - - /* VBI Embedding data */ - - /* Buffer for VBI data inserted into MPEG stream. - The first byte is a dummy byte that's never used. - The next 16 bytes contain the MPEG header for the VBI data, - the remainder is the actual VBI data. - The max size accepted by the MPEG VBI reinsertion turns out - to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes, - where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is - a single line header byte and 2 * 18 is the number of VBI lines per frame. - - However, it seems that the data must be 1K aligned, so we have to - pad the data until the 1 or 2 K boundary. - - This pointer array will allocate 2049 bytes to store each VBI frame. */ - u8 *sliced_mpeg_data[IVTV_VBI_FRAMES]; - u32 sliced_mpeg_size[IVTV_VBI_FRAMES]; - struct ivtv_buffer sliced_mpeg_buf; /* temporary buffer holding data from sliced_mpeg_data */ - u32 inserted_frame; /* index in sliced_mpeg_size of next sliced data - to be inserted in the MPEG stream */ -}; - -/* forward declaration of struct defined in ivtv-cards.h */ -struct ivtv_card; - -/* Struct to hold info about ivtv cards */ -struct ivtv { - /* General fixed card data */ - struct pci_dev *pdev; /* PCI device */ - const struct ivtv_card *card; /* card information */ - const char *card_name; /* full name of the card */ - const struct ivtv_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ - u8 has_cx23415; /* 1 if it is a cx23415 based card, 0 for cx23416 */ - u8 pvr150_workaround; /* 1 if the cx25840 needs to workaround a PVR150 bug */ - u8 nof_inputs; /* number of video inputs */ - u8 nof_audio_inputs; /* number of audio inputs */ - u32 v4l2_cap; /* V4L2 capabilities of card */ - u32 hw_flags; /* hardware description of the board */ - v4l2_std_id tuner_std; /* the norm of the card's tuner (fixed) */ - struct v4l2_subdev *sd_video; /* controlling video decoder subdev */ - struct v4l2_subdev *sd_audio; /* controlling audio subdev */ - struct v4l2_subdev *sd_muxer; /* controlling audio muxer subdev */ - resource_size_t base_addr; /* PCI resource base address */ - volatile void __iomem *enc_mem; /* pointer to mapped encoder memory */ - volatile void __iomem *dec_mem; /* pointer to mapped decoder memory */ - volatile void __iomem *reg_mem; /* pointer to mapped registers */ - struct ivtv_options options; /* user options */ - - struct v4l2_device v4l2_dev; - struct cx2341x_handler cxhdl; - struct { - /* PTS/Frame count control cluster */ - struct v4l2_ctrl *ctrl_pts; - struct v4l2_ctrl *ctrl_frame; - }; - struct { - /* Audio Playback control cluster */ - struct v4l2_ctrl *ctrl_audio_playback; - struct v4l2_ctrl *ctrl_audio_multilingual_playback; - }; - struct v4l2_ctrl_handler hdl_gpio; - struct v4l2_subdev sd_gpio; /* GPIO sub-device */ - u16 instance; - - /* High-level state info */ - unsigned long i_flags; /* global ivtv flags */ - u8 is_50hz; /* 1 if the current capture standard is 50 Hz */ - u8 is_60hz /* 1 if the current capture standard is 60 Hz */; - u8 is_out_50hz /* 1 if the current TV output standard is 50 Hz */; - u8 is_out_60hz /* 1 if the current TV output standard is 60 Hz */; - int output_mode; /* decoder output mode: NONE, MPG, YUV, UDMA YUV, passthrough */ - u32 audio_input; /* current audio input */ - u32 active_input; /* current video input */ - u32 active_output; /* current video output */ - v4l2_std_id std; /* current capture TV standard */ - v4l2_std_id std_out; /* current TV output standard */ - u8 audio_stereo_mode; /* decoder setting how to handle stereo MPEG audio */ - u8 audio_bilingual_mode; /* decoder setting how to handle bilingual MPEG audio */ - - /* Locking */ - spinlock_t lock; /* lock access to this struct */ - struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ - - /* Streams */ - int stream_buf_size[IVTV_MAX_STREAMS]; /* stream buffer size */ - struct ivtv_stream streams[IVTV_MAX_STREAMS]; /* stream data */ - atomic_t capturing; /* count number of active capture streams */ - atomic_t decoding; /* count number of active decoding streams */ - - - /* Interrupts & DMA */ - u32 irqmask; /* active interrupts */ - u32 irq_rr_idx; /* round-robin stream index */ - struct kthread_worker irq_worker; /* kthread worker for PIO/YUV/VBI actions */ - struct task_struct *irq_worker_task; /* task for irq_worker */ - struct kthread_work irq_work; /* kthread work entry */ - spinlock_t dma_reg_lock; /* lock access to DMA engine registers */ - int cur_dma_stream; /* index of current stream doing DMA (-1 if none) */ - int cur_pio_stream; /* index of current stream doing PIO (-1 if none) */ - u32 dma_data_req_offset; /* store offset in decoder memory of current DMA request */ - u32 dma_data_req_size; /* store size of current DMA request */ - int dma_retries; /* current DMA retry attempt */ - struct ivtv_user_dma udma; /* user based DMA for OSD */ - struct timer_list dma_timer; /* timer used to catch unfinished DMAs */ - u32 last_vsync_field; /* last seen vsync field */ - wait_queue_head_t dma_waitq; /* wake up when the current DMA is finished */ - wait_queue_head_t eos_waitq; /* wake up when EOS arrives */ - wait_queue_head_t event_waitq; /* wake up when the next decoder event arrives */ - wait_queue_head_t vsync_waitq; /* wake up when the next decoder vsync arrives */ - - - /* Mailbox */ - struct ivtv_mailbox_data enc_mbox; /* encoder mailboxes */ - struct ivtv_mailbox_data dec_mbox; /* decoder mailboxes */ - struct ivtv_api_cache api_cache[256]; /* cached API commands */ - - - /* I2C */ - struct i2c_adapter i2c_adap; - struct i2c_algo_bit_data i2c_algo; - struct i2c_client i2c_client; - int i2c_state; /* i2c bit state */ - struct mutex i2c_bus_lock; /* lock i2c bus */ - - struct IR_i2c_init_data ir_i2c_init_data; - - /* Program Index information */ - u32 pgm_info_offset; /* start of pgm info in encoder memory */ - u32 pgm_info_num; /* number of elements in the pgm cyclic buffer in encoder memory */ - u32 pgm_info_write_idx; /* last index written by the card that was transferred to pgm_info[] */ - u32 pgm_info_read_idx; /* last index in pgm_info read by the application */ - struct v4l2_enc_idx_entry pgm_info[IVTV_MAX_PGM_INDEX]; /* filled from the pgm cyclic buffer on the card */ - - - /* Miscellaneous */ - u32 open_id; /* incremented each time an open occurs, is >= 1 */ - int search_pack_header; /* 1 if ivtv_copy_buf_to_user() is scanning for a pack header (0xba) */ - int speed; /* current playback speed setting */ - u8 speed_mute_audio; /* 1 if audio should be muted when fast forward */ - u64 mpg_data_received; /* number of bytes received from the MPEG stream */ - u64 vbi_data_inserted; /* number of VBI bytes inserted into the MPEG stream */ - u32 last_dec_timing[3]; /* cache last retrieved pts/scr/frame values */ - unsigned long dualwatch_jiffies;/* jiffies value of the previous dualwatch check */ - u32 dualwatch_stereo_mode; /* current detected dualwatch stereo mode */ - - - /* VBI state info */ - struct vbi_info vbi; /* VBI-specific data */ - - - /* YUV playback */ - struct yuv_playback_info yuv_info; /* YUV playback data */ - - - /* OSD support */ - unsigned long osd_video_pbase; - int osd_global_alpha_state; /* 1 = global alpha is on */ - int osd_local_alpha_state; /* 1 = local alpha is on */ - int osd_chroma_key_state; /* 1 = chroma-keying is on */ - u8 osd_global_alpha; /* current global alpha */ - u32 osd_chroma_key; /* current chroma key */ - struct v4l2_rect osd_rect; /* current OSD position and size */ - struct v4l2_rect main_rect; /* current Main window position and size */ - struct osd_info *osd_info; /* ivtvfb private OSD info */ - void (*ivtvfb_restore)(struct ivtv *itv); /* Used for a warm start */ -}; - -static inline struct ivtv *to_ivtv(struct v4l2_device *v4l2_dev) -{ - return container_of(v4l2_dev, struct ivtv, v4l2_dev); -} - -/* Globals */ -extern int ivtv_first_minor; - -/*==============Prototypes==================*/ - -/* Hardware/IRQ */ -void ivtv_set_irq_mask(struct ivtv *itv, u32 mask); -void ivtv_clear_irq_mask(struct ivtv *itv, u32 mask); - -/* try to set output mode, return current mode. */ -int ivtv_set_output_mode(struct ivtv *itv, int mode); - -/* return current output stream based on current mode */ -struct ivtv_stream *ivtv_get_output_stream(struct ivtv *itv); - -/* Return non-zero if a signal is pending */ -int ivtv_msleep_timeout(unsigned int msecs, int intr); - -/* Wait on queue, returns -EINTR if interrupted */ -int ivtv_waitq(wait_queue_head_t *waitq); - -/* Read Hauppauge eeprom */ -struct tveeprom; /* forward reference */ -void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv); - -/* First-open initialization: load firmware, init cx25840, etc. */ -int ivtv_init_on_first_open(struct ivtv *itv); - -/* Test if the current VBI mode is raw (1) or sliced (0) */ -static inline int ivtv_raw_vbi(const struct ivtv *itv) -{ - return itv->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; -} - -/* This is a PCI post thing, where if the pci register is not read, then - the write doesn't always take effect right away. By reading back the - register any pending PCI writes will be performed (in order), and so - you can be sure that the writes are guaranteed to be done. - - Rarely needed, only in some timing sensitive cases. - Apparently if this is not done some motherboards seem - to kill the firmware and get into the broken state until computer is - rebooted. */ -#define write_sync(val, reg) \ - do { writel(val, reg); readl(reg); } while (0) - -#define read_reg(reg) readl(itv->reg_mem + (reg)) -#define write_reg(val, reg) writel(val, itv->reg_mem + (reg)) -#define write_reg_sync(val, reg) \ - do { write_reg(val, reg); read_reg(reg); } while (0) - -#define read_enc(addr) readl(itv->enc_mem + (u32)(addr)) -#define write_enc(val, addr) writel(val, itv->enc_mem + (u32)(addr)) -#define write_enc_sync(val, addr) \ - do { write_enc(val, addr); read_enc(addr); } while (0) - -#define read_dec(addr) readl(itv->dec_mem + (u32)(addr)) -#define write_dec(val, addr) writel(val, itv->dec_mem + (u32)(addr)) -#define write_dec_sync(val, addr) \ - do { write_dec(val, addr); read_dec(addr); } while (0) - -/* Call the specified callback for all subdevs matching hw (if 0, then - match them all). Ignore any errors. */ -#define ivtv_call_hw(itv, hw, o, f, args...) \ - do { \ - struct v4l2_subdev *__sd; \ - __v4l2_device_call_subdevs_p(&(itv)->v4l2_dev, __sd, \ - !(hw) || (__sd->grp_id & (hw)), o, f , ##args); \ - } while (0) - -#define ivtv_call_all(itv, o, f, args...) ivtv_call_hw(itv, 0, o, f , ##args) - -/* Call the specified callback for all subdevs matching hw (if 0, then - match them all). If the callback returns an error other than 0 or - -ENOIOCTLCMD, then return with that error code. */ -#define ivtv_call_hw_err(itv, hw, o, f, args...) \ -({ \ - struct v4l2_subdev *__sd; \ - __v4l2_device_call_subdevs_until_err_p(&(itv)->v4l2_dev, __sd, \ - !(hw) || (__sd->grp_id & (hw)), o, f , ##args); \ -}) - -#define ivtv_call_all_err(itv, o, f, args...) ivtv_call_hw_err(itv, 0, o, f , ##args) - -#endif |