/* bttv - Bt848 frame grabber driver bttv's *private* header file -- nobody other than bttv itself should ever include this file. (c) 2000-2002 Gerd Knorr 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _BTTVP_H_ #define _BTTVP_H_ #include #define BTTV_VERSION_CODE KERNEL_VERSION(0,9,17) #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "bt848.h" #include "bttv.h" #include "btcx-risc.h" #ifdef __KERNEL__ #define FORMAT_FLAGS_DITHER 0x01 #define FORMAT_FLAGS_PACKED 0x02 #define FORMAT_FLAGS_PLANAR 0x04 #define FORMAT_FLAGS_RAW 0x08 #define FORMAT_FLAGS_CrCb 0x10 #define RISC_SLOT_O_VBI 4 #define RISC_SLOT_O_FIELD 6 #define RISC_SLOT_E_VBI 10 #define RISC_SLOT_E_FIELD 12 #define RISC_SLOT_LOOP 14 #define RESOURCE_OVERLAY 1 #define RESOURCE_VIDEO_STREAM 2 #define RESOURCE_VBI 4 #define RESOURCE_VIDEO_READ 8 #define RAW_LINES 640 #define RAW_BPL 1024 #define UNSET (-1U) /* Min. value in VDELAY register. */ #define MIN_VDELAY 2 /* Even to get Cb first, odd for Cr. */ #define MAX_HDELAY (0x3FF & -2) /* Limits scaled width, which must be a multiple of 4. */ #define MAX_HACTIVE (0x3FF & -4) #define clamp(x, low, high) min (max (low, x), high) /* ---------------------------------------------------------- */ struct bttv_tvnorm { int v4l2_id; char *name; u32 Fsc; u16 swidth, sheight; /* scaled standard width, height */ u16 totalwidth; u8 adelay, bdelay, iform; u32 scaledtwidth; u16 hdelayx1, hactivex1; u16 vdelay; u8 vbipack; u16 vtotal; int sram; /* ITU-R frame line number of the first VBI line we can capture, of the first and second field. The last possible line is determined by cropcap.bounds. */ u16 vbistart[2]; /* Horizontally this counts fCLKx1 samples following the leading edge of the horizontal sync pulse, vertically ITU-R frame line numbers of the first field times two (2, 4, 6, ... 524 or 624). */ struct v4l2_cropcap cropcap; }; extern const struct bttv_tvnorm bttv_tvnorms[]; struct bttv_format { char *name; int fourcc; /* video4linux 2 */ int btformat; /* BT848_COLOR_FMT_* */ int btswap; /* BT848_COLOR_CTL_* */ int depth; /* bit/pixel */ int flags; int hshift,vshift; /* for planar modes */ }; /* ---------------------------------------------------------- */ struct bttv_geometry { u8 vtc,crop,comb; u16 width,hscale,hdelay; u16 sheight,vscale,vdelay,vtotal; }; struct bttv_buffer { /* common v4l buffer stuff -- must be first */ struct videobuf_buffer vb; /* bttv specific */ const struct bttv_format *fmt; int tvnorm; int btformat; int btswap; struct bttv_geometry geo; struct btcx_riscmem top; struct btcx_riscmem bottom; struct v4l2_rect crop; unsigned int vbi_skip[2]; unsigned int vbi_count[2]; }; struct bttv_buffer_set { struct bttv_buffer *top; /* top field buffer */ struct bttv_buffer *bottom; /* bottom field buffer */ unsigned int top_irq; unsigned int frame_irq; }; struct bttv_overlay { int tvnorm; struct v4l2_rect w; enum v4l2_field field; struct v4l2_clip *clips; int nclips; int setup_ok; }; struct bttv_vbi_fmt { struct v4l2_vbi_format fmt; /* fmt.start[] and count[] refer to this video standard. */ const struct bttv_tvnorm *tvnorm; /* Earliest possible start of video capturing with this v4l2_vbi_format, in struct bttv_crop.rect units. */ __s32 end; }; /* bttv-vbi.c */ void bttv_vbi_fmt_reset(struct bttv_vbi_fmt *f, int norm); struct bttv_crop { /* A cropping rectangle in struct bttv_tvnorm.cropcap units. */ struct v4l2_rect rect; /* Scaled image size limits with this crop rect. Divide max_height, but not min_height, by two when capturing single fields. See also bttv_crop_reset() and bttv_crop_adjust() in bttv-driver.c. */ __s32 min_scaled_width; __s32 min_scaled_height; __s32 max_scaled_width; __s32 max_scaled_height; }; struct bttv_fh { struct bttv *btv; int resources; #ifdef VIDIOC_G_PRIORITY enum v4l2_priority prio; #endif enum v4l2_buf_type type; /* video capture */ struct videobuf_queue cap; const struct bttv_format *fmt; int width; int height; /* video overlay */ const struct bttv_format *ovfmt; struct bttv_overlay ov; /* Application called VIDIOC_S_CROP. */ int do_crop; /* vbi capture */ struct videobuf_queue vbi; /* Current VBI capture window as seen through this fh (cannot be global for compatibility with earlier drivers). Protected by struct bttv.lock and struct bttv_fh.vbi.lock. */ struct bttv_vbi_fmt vbi_fmt; }; /* ---------------------------------------------------------- */ /* bttv-risc.c */ /* risc code generators - capture */ int bttv_risc_packed(struct bttv *btv, struct btcx_riscmem *risc, struct scatterlist *sglist, unsigned int offset, unsigned int bpl, unsigned int pitch, unsigned int skip_lines, unsigned int store_lines); /* control dma register + risc main loop */ void bttv_set_dma(struct bttv *btv, int override); int bttv_risc_init_main(struct bttv *btv); int bttv_risc_hook(struct bttv *btv, int slot, struct btcx_riscmem *risc, int irqflags); /* capture buffer handling */ int bttv_buffer_risc(struct bttv *btv, struct bttv_buffer *buf); int bttv_buffer_activate_video(struct bttv *btv, struct bttv_buffer_set *set); int bttv_buffer_activate_vbi(struct bttv *btv, struct bttv_buffer *vbi); void bttv_dma_free(struct videobuf_queue *q, struct bttv *btv, struct bttv_buffer *buf); /* overlay handling */ int bttv_overlay_risc(struct bttv *btv, struct bttv_overlay *ov, const struct bttv_format *fmt, struct bttv_buffer *buf); /* ---------------------------------------------------------- */ /* bttv-vbi.c */ int bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_vbi_format *f); void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_vbi_format *f); int bttv_vbi_set_fmt(struct bttv_fh *fh, struct v4l2_vbi_format *f); extern struct videobuf_queue_ops bttv_vbi_qops; /* ---------------------------------------------------------- */ /* bttv-gpio.c */ extern struct bus_type bttv_sub_bus_type; int bttv_sub_add_device(struct bttv_core *core, char *name); int bttv_sub_del_devices(struct bttv_core *core); /* ---------------------------------------------------------- */ /* bttv-driver.c */ /* insmod options */ extern unsigned int bttv_verbose; extern unsigned int bttv_debug; extern unsigned int bttv_gpio; extern void bttv_gpio_tracking(struct bttv *btv, char *comment); extern int init_bttv_i2c(struct bttv *btv); extern int fini_bttv_i2c(struct bttv *btv); #define bttv_printk if (bttv_verbose) printk #define dprintk if (bttv_debug >= 1) printk #define d2printk if (bttv_debug >= 2) printk #define BTTV_MAX_FBUF 0x208000 #define BTTV_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */ #define BTTV_FREE_IDLE msecs_to_jiffies(1000) /* one second */ struct bttv_pll_info { unsigned int pll_ifreq; /* PLL input frequency */ unsigned int pll_ofreq; /* PLL output frequency */ unsigned int pll_crystal; /* Crystal used for input */ unsigned int pll_current; /* Currently programmed ofreq */ }; /* for gpio-connected remote control */ struct bttv_input { struct input_dev *dev; struct ir_input_state ir; char name[32]; char phys[32]; u32 mask_keycode; u32 mask_keydown; }; struct bttv_suspend_state { u32 gpio_enable; u32 gpio_data; int disabled; int loop_irq; struct bttv_buffer_set video; struct bttv_buffer *vbi; }; struct bttv { struct bttv_core c; /* pci device config */ unsigned short id; unsigned char revision; unsigned char __iomem *bt848_mmio; /* pointer to mmio */ /* card configuration info */ unsigned int cardid; /* pci subsystem id (bt878 based ones) */ unsigned int tuner_type; /* tuner chip type */ unsigned int tda9887_conf; unsigned int svhs; struct bttv_pll_info pll; int triton1; int gpioirq; int (*custom_irq)(struct bttv *btv); int use_i2c_hw; /* old gpio interface */ wait_queue_head_t gpioq; int shutdown; void (*volume_gpio)(struct bttv *btv, __u16 volume); void (*audio_mode_gpio)(struct bttv *btv, struct v4l2_tuner *tuner, int set); /* new gpio interface */ spinlock_t gpio_lock; /* i2c layer */ struct i2c_algo_bit_data i2c_algo; struct i2c_client i2c_client; int i2c_state, i2c_rc; int i2c_done; wait_queue_head_t i2c_queue; struct i2c_client *i2c_msp34xx_client; struct i2c_client *i2c_tvaudio_client; /* video4linux (1) */ struct video_device *video_dev; struct video_device *radio_dev; struct video_device *vbi_dev; /* infrared remote */ int has_remote; struct card_ir *remote; /* locking */ spinlock_t s_lock; struct mutex lock; int resources; #ifdef VIDIOC_G_PRIORITY struct v4l2_prio_state prio; #endif /* video state */ unsigned int input; unsigned int audio; unsigned int mute; unsigned long freq; int tvnorm,hue,contrast,bright,saturation; struct v4l2_framebuffer fbuf; unsigned int field_count; /* various options */ int opt_combfilter; int opt_lumafilter; int opt_automute; int opt_chroma_agc; int opt_adc_crush; int opt_vcr_hack; int opt_whitecrush_upper; int opt_whitecrush_lower; int opt_uv_ratio; int opt_full_luma_range; int opt_coring; /* radio data/state */ int has_radio; int radio_user; /* miro/pinnacle + Aimslab VHX philips matchbox (tea5757 radio tuner) support */ int has_matchbox; int mbox_we; int mbox_data; int mbox_clk; int mbox_most; int mbox_mask; /* ISA stuff (Terratec Active Radio Upgrade) */ int mbox_ior; int mbox_iow; int mbox_csel; /* risc memory management data - must acquire s_lock before changing these - only the irq handler is supported to touch top + bottom + vcurr */ struct btcx_riscmem main; struct bttv_buffer *screen; /* overlay */ struct list_head capture; /* video capture queue */ struct list_head vcapture; /* vbi capture queue */ struct bttv_buffer_set curr; /* active buffers */ struct bttv_buffer *cvbi; /* active vbi buffer */ int loop_irq; int new_input; unsigned long cap_ctl; unsigned long dma_on; struct timer_list timeout; struct bttv_suspend_state state; /* stats */ unsigned int errors; unsigned int framedrop; unsigned int irq_total; unsigned int irq_me; unsigned int users; struct bttv_fh init; /* used to make dvb-bt8xx autoloadable */ struct work_struct request_module_wk; /* Default (0) and current (1) video capturing and overlay cropping parameters in bttv_tvnorm.cropcap units. Protected by bttv.lock. */ struct bttv_crop crop[2]; /* Earliest possible start of video capturing in bttv_tvnorm.cropcap line units. Set by check_alloc_btres() and free_btres(). Protected by bttv.lock. */ __s32 vbi_end; /* Latest possible end of VBI capturing (= crop[x].rect.top when VIDEO_RESOURCES are locked). Set by check_alloc_btres() and free_btres(). Protected by bttv.lock. */ __s32 crop_start; }; /* our devices */ #define BTTV_MAX 16 extern unsigned int bttv_num; extern struct bttv bttvs[BTTV_MAX]; #endif #define btwrite(dat,adr) writel((dat), btv->bt848_mmio+(adr)) #define btread(adr) readl(btv->bt848_mmio+(adr)) #define btand(dat,adr) btwrite((dat) & btread(adr), adr) #define btor(dat,adr) btwrite((dat) | btread(adr), adr) #define btaor(dat,mask,adr) btwrite((dat) | ((mask) & btread(adr)), adr) #endif /* _BTTVP_H_ */ /* * Local variables: * c-basic-offset: 8 * End: */