diff options
Diffstat (limited to 'drivers/media/pci/bt8xx/bttvp.h')
| -rw-r--r-- | drivers/media/pci/bt8xx/bttvp.h | 523 |
1 files changed, 523 insertions, 0 deletions
diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h new file mode 100644 index 000000000..4abf43657 --- /dev/null +++ b/drivers/media/pci/bt8xx/bttvp.h @@ -0,0 +1,523 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + + 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> + +*/ + +#ifndef _BTTVP_H_ +#define _BTTVP_H_ + +#include <linux/types.h> +#include <linux/wait.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include <linux/pci.h> +#include <linux/input.h> +#include <linux/mutex.h> +#include <linux/scatterlist.h> +#include <linux/device.h> +#include <asm/io.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-fh.h> +#include <media/videobuf-dma-sg.h> +#include <media/tveeprom.h> +#include <media/rc-core.h> +#include <media/i2c/ir-kbd-i2c.h> +#include <media/drv-intf/tea575x.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_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 BTTV_NORMS (\ + V4L2_STD_PAL | V4L2_STD_PAL_N | \ + V4L2_STD_PAL_Nc | V4L2_STD_SECAM | \ + V4L2_STD_NTSC | V4L2_STD_PAL_M | \ + V4L2_STD_PAL_60) +/* ---------------------------------------------------------- */ + +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 { + 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_ir { + struct rc_dev *dev; + struct bttv *btv; + struct timer_list timer; + + char name[32]; + char phys[32]; + + /* Usual gpio signalling */ + u32 mask_keycode; + u32 mask_keydown; + u32 mask_keyup; + u32 polling; + u32 last_gpio; + int shift_by; + int rc5_remote_gap; + + /* RC5 gpio */ + bool rc5_gpio; /* Is RC5 legacy GPIO enabled? */ + u32 last_bit; /* last raw bit seen */ + u32 code; /* raw code under construction */ + ktime_t base_time; /* time of last seen code */ + bool active; /* building raw code */ +}; + + +/* ---------------------------------------------------------- */ + +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; + unsigned 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 { + unsigned 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, unsigned 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 { + /* This must be the first field in this struct */ + struct v4l2_fh fh; + + struct bttv *btv; + int resources; + 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_SELECTION. */ + 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_try_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); +int bttv_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); +int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); + +extern const 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-cards.c */ + +extern int no_overlay; + +/* ---------------------------------------------------------- */ +/* bttv-input.c */ + +extern void init_bttv_i2c_ir(struct bttv *btv); + +/* ---------------------------------------------------------- */ +/* bttv-i2c.c */ +extern int init_bttv_i2c(struct bttv *btv); +extern int fini_bttv_i2c(struct bttv *btv); + +/* ---------------------------------------------------------- */ +/* 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); + +#define dprintk(fmt, ...) \ +do { \ + if (bttv_debug >= 1) \ + pr_debug(fmt, ##__VA_ARGS__); \ +} while (0) +#define dprintk_cont(fmt, ...) \ +do { \ + if (bttv_debug >= 1) \ + pr_cont(fmt, ##__VA_ARGS__); \ +} while (0) +#define d2printk(fmt, ...) \ +do { \ + if (bttv_debug >= 2) \ + printk(fmt, ##__VA_ARGS__); \ +} while (0) + +#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; + 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_tea575x_gpio { + u8 data, clk, wren, most; +}; + +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, dig; + unsigned int has_saa6588:1; + struct bttv_pll_info pll; + int triton1; + int gpioirq; + + int use_i2c_hw; + + /* old gpio interface */ + 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 v4l2_subdev *sd_msp34xx; + struct v4l2_subdev *sd_tvaudio; + struct v4l2_subdev *sd_tda7432; + + /* video4linux (1) */ + struct video_device video_dev; + struct video_device radio_dev; + struct video_device vbi_dev; + + /* controls */ + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl_handler radio_ctrl_handler; + + /* infrared remote */ + int has_remote; + struct bttv_ir *remote; + + /* I2C remote data */ + struct IR_i2c_init_data init_data; + + /* locking */ + spinlock_t s_lock; + struct mutex lock; + int resources; + + /* video state */ + unsigned int input; + unsigned int audio_input; + unsigned int mute; + unsigned long tv_freq; + unsigned int tvnorm; + v4l2_std_id std; + int hue, contrast, bright, saturation; + struct v4l2_framebuffer fbuf; + unsigned int field_count; + + /* various options */ + int opt_combfilter; + int opt_automute; + int opt_vcr_hack; + int opt_uv_ratio; + + /* radio data/state */ + int has_radio; + int has_radio_tuner; + int radio_user; + int radio_uses_msp_demodulator; + unsigned long radio_freq; + + /* miro/pinnacle + Aimslab VHX + philips matchbox (tea5757 radio tuner) support */ + int has_tea575x; + struct bttv_tea575x_gpio tea_gpio; + struct snd_tea575x tea; + + /* ISA stuff (Terratec Active Radio Upgrade) */ + int mbox_ior; + int mbox_iow; + int mbox_csel; + + /* switch status for multi-controller cards */ + char sw_status[4]; + + /* 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; +}; + +static inline struct bttv *to_bttv(struct v4l2_device *v4l2_dev) +{ + return container_of(v4l2_dev, struct bttv, c.v4l2_dev); +} + +/* our devices */ +#define BTTV_MAX 32 +extern unsigned int bttv_num; +extern struct bttv *bttvs[BTTV_MAX]; + +static inline unsigned int bttv_muxsel(const struct bttv *btv, + unsigned int input) +{ + return (bttv_tvcards[btv->c.type].muxsel >> (input * 2)) & 3; +} + +#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_ */ |