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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/media/pci/bt8xx/bttvp.h
Initial import
Diffstat (limited to 'drivers/media/pci/bt8xx/bttvp.h')
-rw-r--r--drivers/media/pci/bt8xx/bttvp.h535
1 files changed, 535 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..a444cfb35
--- /dev/null
+++ b/drivers/media/pci/bt8xx/bttvp.h
@@ -0,0 +1,535 @@
+/*
+
+ 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/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/ir-kbd-i2c.h>
+#include <media/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 {
+ 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_ir {
+ struct rc_dev *dev;
+ 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 */
+ struct timeval 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_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_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 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_ */