bttv-driver.c File Reference

#include <linux/init.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/kdev_t.h>
#include "bttvp.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/tvaudio.h>
#include <media/msp3400.h>
#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <asm/byteorder.h>
#include <media/saa6588.h>

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	BTTV_VERSION   "0.9.19"
#define	request_modules(dev)
#define	flush_request_modules(dev)
#define	CROPCAP(minhdelayx1, hdelayx1, swidth, totalwidth, sqwidth,vdelay, sheight, videostart0)
#define	V4L2_CID_PRIVATE_CHROMA_AGC   (V4L2_CID_PRIVATE_BASE + 0)
#define	V4L2_CID_PRIVATE_COMBFILTER   (V4L2_CID_PRIVATE_BASE + 1)
#define	V4L2_CID_PRIVATE_AUTOMUTE   (V4L2_CID_PRIVATE_BASE + 2)
#define	V4L2_CID_PRIVATE_LUMAFILTER   (V4L2_CID_PRIVATE_BASE + 3)
#define	V4L2_CID_PRIVATE_AGC_CRUSH   (V4L2_CID_PRIVATE_BASE + 4)
#define	V4L2_CID_PRIVATE_VCR_HACK   (V4L2_CID_PRIVATE_BASE + 5)
#define	V4L2_CID_PRIVATE_WHITECRUSH_UPPER   (V4L2_CID_PRIVATE_BASE + 6)
#define	V4L2_CID_PRIVATE_WHITECRUSH_LOWER   (V4L2_CID_PRIVATE_BASE + 7)
#define	V4L2_CID_PRIVATE_UV_RATIO   (V4L2_CID_PRIVATE_BASE + 8)
#define	V4L2_CID_PRIVATE_FULL_LUMA_RANGE   (V4L2_CID_PRIVATE_BASE + 9)
#define	V4L2_CID_PRIVATE_CORING   (V4L2_CID_PRIVATE_BASE + 10)
#define	V4L2_CID_PRIVATE_LASTP1   (V4L2_CID_PRIVATE_BASE + 11)
#define	VBI_RESOURCES   (RESOURCE_VBI)
#define	VIDEO_RESOURCES

Functions
	module_param (bttv_verbose, int, 0644)
	module_param (bttv_gpio, int, 0644)
	module_param (bttv_debug, int, 0644)
	module_param (irq_debug, int, 0644)
	module_param (debug_latency, int, 0644)
	module_param (disable_ir, int, 0444)
	module_param (fdsr, int, 0444)
	module_param (gbuffers, int, 0444)
	module_param (gbufsize, int, 0444)
	module_param (reset_crop, int, 0444)
	module_param (v4l2, int, 0644)
	module_param (bigendian, int, 0644)
	module_param (irq_iswitch, int, 0644)
	module_param (combfilter, int, 0444)
	module_param (lumafilter, int, 0444)
	module_param (automute, int, 0444)
	module_param (chroma_agc, int, 0444)
	module_param (adc_crush, int, 0444)
	module_param (whitecrush_upper, int, 0444)
	module_param (whitecrush_lower, int, 0444)
	module_param (vcr_hack, int, 0444)
	module_param (uv_ratio, int, 0444)
	module_param (full_luma_range, int, 0444)
	module_param (coring, int, 0444)
	module_param_array (radio, int, NULL, 0444)
	module_param_array (video_nr, int, NULL, 0444)
	module_param_array (radio_nr, int, NULL, 0444)
	module_param_array (vbi_nr, int, NULL, 0444)
	MODULE_PARM_DESC (radio,"The TV card supports radio, default is 0 (no)")
	MODULE_PARM_DESC (bigendian,"byte order of the framebuffer, default is native endian")
	MODULE_PARM_DESC (bttv_verbose,"verbose startup messages, default is 1 (yes)")
	MODULE_PARM_DESC (bttv_gpio,"log gpio changes, default is 0 (no)")
	MODULE_PARM_DESC (bttv_debug,"debug messages, default is 0 (no)")
	MODULE_PARM_DESC (irq_debug,"irq handler debug messages, default is 0 (no)")
	MODULE_PARM_DESC (disable_ir,"disable infrared remote support")
	MODULE_PARM_DESC (gbuffers,"number of capture buffers. range 2-32, default 8")
	MODULE_PARM_DESC (gbufsize,"size of the capture buffers, default is 0x208000")
	MODULE_PARM_DESC (reset_crop,"reset cropping parameters at open(), default ""is 1 (yes) for compatibility with older applications")
	MODULE_PARM_DESC (automute,"mute audio on bad/missing video signal, default is 1 (yes)")
	MODULE_PARM_DESC (chroma_agc,"enables the AGC of chroma signal, default is 0 (no)")
	MODULE_PARM_DESC (adc_crush,"enables the luminance ADC crush, default is 1 (yes)")
	MODULE_PARM_DESC (whitecrush_upper,"sets the white crush upper value, default is 207")
	MODULE_PARM_DESC (whitecrush_lower,"sets the white crush lower value, default is 127")
	MODULE_PARM_DESC (vcr_hack,"enables the VCR hack (improves synch on poor VCR tapes), default is 0 (no)")
	MODULE_PARM_DESC (irq_iswitch,"switch inputs in irq handler")
	MODULE_PARM_DESC (uv_ratio,"ratio between u and v gains, default is 50")
	MODULE_PARM_DESC (full_luma_range,"use the full luma range, default is 0 (no)")
	MODULE_PARM_DESC (coring,"set the luma coring level, default is 0 (no)")
	MODULE_PARM_DESC (video_nr,"video device numbers")
	MODULE_PARM_DESC (vbi_nr,"vbi device numbers")
	MODULE_PARM_DESC (radio_nr,"radio device numbers")
	MODULE_DESCRIPTION ("bttv - v4l/v4l2 driver module for bt848/878 based cards")
	MODULE_AUTHOR ("Ralph Metzler & Marcus Metzler & Gerd Knorr")
	MODULE_LICENSE ("GPL")
	MODULE_VERSION (BTTV_VERSION)
void	bttv_gpio_tracking (struct bttv *btv, char *comment)
	MODULE_DEVICE_TABLE (pci, bttv_pci_tbl)
	module_init (bttv_init_module)
	module_exit (bttv_cleanup_module)

Variables
unsigned int	bttv_num
struct bttv *	bttvs [BTTV_MAX]
unsigned int	bttv_debug
unsigned int	bttv_verbose = 1
unsigned int	bttv_gpio
struct bttv_tvnorm	bttv_tvnorms []

Macro Definition Documentation

#define BTTV_VERSION   "0.9.19"

Definition at line 62 of file bttv-driver.c.

#define CROPCAP	(		minhdelayx1,
			hdelayx1,
			swidth,
			totalwidth,
			sqwidth,
			vdelay,
			sheight,
			videostart0
	)

Value:

.cropcap.bounds.left = minhdelayx1,              \
    /* * 2 because vertically we count field lines times two, */     \
    /* e.g. 23 * 2 to 23 * 2 + 576 in PAL-BGHI defrect. */       \
    .cropcap.bounds.top = (videostart0) * 2 - (vdelay) + MIN_VDELAY, \
    /* 4 is a safety margin at the end of the line. */       \
    .cropcap.bounds.width = (totalwidth) - (minhdelayx1) - 4,    \
    .cropcap.bounds.height = (sheight) + (vdelay) - MIN_VDELAY,  \
    .cropcap.defrect.left = hdelayx1,                \
    .cropcap.defrect.top = (videostart0) * 2,            \
    .cropcap.defrect.width = swidth,                 \
    .cropcap.defrect.height = sheight,               \
    .cropcap.pixelaspect.numerator = totalwidth,             \
    .cropcap.pixelaspect.denominator = sqwidth,

Definition at line 255 of file bttv-driver.c.

#define flush_request_modules

(

dev

)

Definition at line 203 of file bttv-driver.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 37 of file bttv-driver.c.

#define request_modules

(

dev

)

Definition at line 202 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_AGC_CRUSH   (V4L2_CID_PRIVATE_BASE + 4)

Definition at line 631 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_AUTOMUTE   (V4L2_CID_PRIVATE_BASE + 2)

Definition at line 629 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_CHROMA_AGC   (V4L2_CID_PRIVATE_BASE + 0)

Definition at line 627 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_COMBFILTER   (V4L2_CID_PRIVATE_BASE + 1)

Definition at line 628 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_CORING   (V4L2_CID_PRIVATE_BASE + 10)

Definition at line 637 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_FULL_LUMA_RANGE   (V4L2_CID_PRIVATE_BASE + 9)

Definition at line 636 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_LASTP1   (V4L2_CID_PRIVATE_BASE + 11)

Definition at line 638 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_LUMAFILTER   (V4L2_CID_PRIVATE_BASE + 3)

Definition at line 630 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_UV_RATIO   (V4L2_CID_PRIVATE_BASE + 8)

Definition at line 635 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_VCR_HACK   (V4L2_CID_PRIVATE_BASE + 5)

Definition at line 632 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_WHITECRUSH_LOWER   (V4L2_CID_PRIVATE_BASE + 7)

Definition at line 634 of file bttv-driver.c.

#define V4L2_CID_PRIVATE_WHITECRUSH_UPPER   (V4L2_CID_PRIVATE_BASE + 6)

Definition at line 633 of file bttv-driver.c.

#define VBI_RESOURCES   (RESOURCE_VBI)

Definition at line 848 of file bttv-driver.c.

#define VIDEO_RESOURCES

Value:

(RESOURCE_VIDEO_READ | \
             RESOURCE_VIDEO_STREAM | \
             RESOURCE_OVERLAY)

Definition at line 849 of file bttv-driver.c.

Function Documentation

void bttv_gpio_tracking	(	struct bttv *	btv,
		char *	comment
	)

Definition at line 1646 of file bttv-driver.c.

MODULE_AUTHOR

(

"Ralph Metzler & Marcus Metzler & Gerd Knorr"

)

MODULE_DESCRIPTION

(

"bttv - v4l/v4l2 driver module for bt848/878 based cards"

)

MODULE_DEVICE_TABLE	(	pci	,
		bttv_pci_tbl
	)

module_exit

(

bttv_cleanup_module

)

module_init

(

bttv_init_module

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	bttv_verbose	,
		int	,
		0644
	)

module_param	(	bttv_gpio	,
		int	,
		0644
	)

module_param	(	bttv_debug	,
		int	,
		0644
	)

module_param	(	irq_debug	,
		int	,
		0644
	)

module_param	(	debug_latency	,
		int	,
		0644
	)

module_param	(	disable_ir	,
		int	,
		0444
	)

module_param	(	fdsr	,
		int	,
		0444
	)

module_param	(	gbuffers	,
		int	,
		0444
	)

module_param	(	gbufsize	,
		int	,
		0444
	)

module_param	(	reset_crop	,
		int	,
		0444
	)

module_param	(	v4l2	,
		int	,
		0644
	)

module_param	(	bigendian	,
		int	,
		0644
	)

module_param	(	irq_iswitch	,
		int	,
		0644
	)

module_param	(	combfilter	,
		int	,
		0444
	)

module_param	(	lumafilter	,
		int	,
		0444
	)

module_param	(	automute	,
		int	,
		0444
	)

module_param	(	chroma_agc	,
		int	,
		0444
	)

module_param	(	adc_crush	,
		int	,
		0444
	)

module_param	(	whitecrush_upper	,
		int	,
		0444
	)

module_param	(	whitecrush_lower	,
		int	,
		0444
	)

module_param	(	vcr_hack	,
		int	,
		0444
	)

module_param	(	uv_ratio	,
		int	,
		0444
	)

module_param	(	full_luma_range	,
		int	,
		0444
	)

module_param	(	coring	,
		int	,
		0444
	)

module_param_array	(	radio	,
		int	,
		NULL	,
		0444
	)

module_param_array	(	video_nr	,
		int	,
		NULL	,
		0444
	)

module_param_array	(	radio_nr	,
		int	,
		NULL	,
		0444
	)

module_param_array	(	vbi_nr	,
		int	,
		NULL	,
		0444
	)

MODULE_PARM_DESC	(	radio	,
		"The TV card supports	radio,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	bigendian	,
		"byte order of the	framebuffer,
		default is native endian"
	)

MODULE_PARM_DESC	(	bttv_verbose	,
		"verbose startup	messages,
		default is 1(yes)"
	)

MODULE_PARM_DESC	(	bttv_gpio	,
		"log gpio	changes,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	bttv_debug	,
		"debug	messages,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	irq_debug	,
		"irq handler debug	messages,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	disable_ir	,
		"disable infrared remote support"
	)

MODULE_PARM_DESC	(	gbuffers	,
		"number of capture buffers. range 2-	32,
		default 8"
	)

MODULE_PARM_DESC	(	gbufsize	,
		"size of the capture	buffers,
		default is 0x208000"
	)

MODULE_PARM_DESC	(	reset_crop	,
		"reset cropping parameters at	open(),
		default""is 1(yes) for compatibility with older applications"
	)

MODULE_PARM_DESC	(	automute	,
		"mute audio on bad/missing video	signal,
		default is 1(yes)"
	)

MODULE_PARM_DESC	(	chroma_agc	,
		"enables the AGC of chroma	signal,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	adc_crush	,
		"enables the luminance ADC	crush,
		default is 1(yes)"
	)

MODULE_PARM_DESC	(	whitecrush_upper	,
		"sets the white crush upper	value,
		default is 207"
	)

MODULE_PARM_DESC	(	whitecrush_lower	,
		"sets the white crush lower	value,
		default is 127"
	)

MODULE_PARM_DESC	(	vcr_hack	,
		"enables the VCR hack	improves synch on poor VCR tapes,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	irq_iswitch	,
		"switch inputs in irq handler"
	)

MODULE_PARM_DESC	(	uv_ratio	,
		"ratio between u and v	gains,
		default is 50"
	)

MODULE_PARM_DESC	(	full_luma_range	,
		"use the full luma	range,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	coring	,
		"set the luma coring	level,
		default is 0(no)"
	)

MODULE_PARM_DESC	(	video_nr	,
		"video device numbers"
	)

MODULE_PARM_DESC	(	vbi_nr	,
		"vbi device numbers"
	)

MODULE_PARM_DESC	(	radio_nr	,
		"radio device numbers"
	)

MODULE_VERSION

(

BTTV_VERSION

)

Variable Documentation

unsigned int bttv_debug

Definition at line 67 of file bttv-driver.c.

unsigned int bttv_gpio

Definition at line 69 of file bttv-driver.c.

unsigned int bttv_num

Definition at line 64 of file bttv-driver.c.

struct bttv_tvnorm bttv_tvnorms[]

Definition at line 271 of file bttv-driver.c.

unsigned int bttv_verbose = 1

Definition at line 68 of file bttv-driver.c.

struct bttv* bttvs[BTTV_MAX]

Definition at line 65 of file bttv-driver.c.