diff options
Diffstat (limited to 'drivers/media/video/bt8xx/bttvp.h')
| -rw-r--r-- | drivers/media/video/bt8xx/bttvp.h | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/drivers/media/video/bt8xx/bttvp.h b/drivers/media/video/bt8xx/bttvp.h new file mode 100644 index 000000000000..12223a203960 --- /dev/null +++ b/drivers/media/video/bt8xx/bttvp.h @@ -0,0 +1,411 @@ +/* + + 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 <kraxel@bytesex.org> + + 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 <linux/version.h> +#define BTTV_VERSION_CODE KERNEL_VERSION(0,9,16) + +#include <linux/types.h> +#include <linux/wait.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/videodev.h> +#include <linux/pci.h> +#include <linux/input.h> +#include <linux/mutex.h> +#include <asm/scatterlist.h> +#include <asm/io.h> + +#include <linux/device.h> +#include <media/video-buf.h> +#include <media/audiochip.h> +#include <media/tuner.h> +#include <media/tveeprom.h> +#include <media/ir-common.h> + + +#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 2 +#define RESOURCE_VBI 4 + +#define RAW_LINES 640 +#define RAW_BPL 1024 + +#define UNSET (-1U) + +#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. */ + u16 vbistart[2]; +}; +extern const struct bttv_tvnorm bttv_tvnorms[]; + +struct bttv_format { + char *name; + int palette; /* video4linux 1 */ + 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 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_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; + + /* current settings */ + const struct bttv_format *ovfmt; + struct bttv_overlay ov; + + /* video overlay */ + struct videobuf_queue vbi; + int lines; +}; + +/* ---------------------------------------------------------- */ +/* 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 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 */ + +void bttv_vbi_try_fmt(struct bttv_fh *fh, struct v4l2_format *f); +void bttv_vbi_get_fmt(struct bttv_fh *fh, struct v4l2_format *f); +void bttv_vbi_setlines(struct bttv_fh *fh, struct bttv *btv, int lines); + +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); +void bttv_gpio_irq(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 VBIBUF_SIZE (2048*VBI_MAXLINES*2) +#define BTTV_TIMEOUT (HZ/2) /* 0.5 seconds */ +#define BTTV_FREE_IDLE (HZ) /* 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 (*audio_hook)(struct bttv *btv, struct video_audio *v, 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; + + /* video4linux (1) */ + struct video_device *video_dev; + struct video_device *radio_dev; + struct video_device *vbi_dev; + + /* infrared remote */ + int has_remote; + struct bttv_ir *remote; + + /* locking */ + spinlock_t s_lock; + struct mutex lock; + int resources; + struct mutex reslock; +#ifdef VIDIOC_G_PRIORITY + struct v4l2_prio_state prio; +#endif + + /* video state */ + unsigned int input; + unsigned int audio; + 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 aquire 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; +}; + +/* our devices */ +#define BTTV_MAX 16 +extern unsigned int bttv_num; +extern struct bttv bttvs[BTTV_MAX]; + +/* private ioctls */ +#define BTTV_VERSION _IOR('v' , BASE_VIDIOCPRIVATE+6, int) +#define BTTV_VBISIZE _IOR('v' , BASE_VIDIOCPRIVATE+8, int) + +#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: + */ |
