--- /dev/null
+/*
+
+ 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/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;
+ 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 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 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 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:
+ */
git://git.onelab.eu / linux-2.6.git / blobdiff