msp3400-driver.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/msp3400.h>
#include <media/tvaudio.h>
#include "msp3400-driver.h"

Go to the source code of this file.

Macros
#define	I2C_MSP_CONTROL   0x00
#define	I2C_MSP_DEM   0x10
#define	I2C_MSP_DSP   0x12

Functions
	MODULE_DESCRIPTION ("device driver for msp34xx TV sound processor")
	MODULE_AUTHOR ("Gerd Knorr")
	MODULE_LICENSE ("GPL")
	module_param (opmode, int, 0444)
	module_param_named (once, msp_once, bool, 0644)
	module_param_named (debug, msp_debug, int, 0644)
	module_param_named (stereo_threshold, msp_stereo_thresh, int, 0644)
	module_param_named (standard, msp_standard, int, 0644)
	module_param_named (amsound, msp_amsound, bool, 0644)
	module_param_named (dolby, msp_dolby, bool, 0644)
	MODULE_PARM_DESC (opmode,"Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect")
	MODULE_PARM_DESC (once,"No continuous stereo monitoring")
	MODULE_PARM_DESC (debug,"Enable debug messages [0-3]")
	MODULE_PARM_DESC (stereo_threshold,"Sets signal threshold to activate stereo")
	MODULE_PARM_DESC (standard,"Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect")
	MODULE_PARM_DESC (amsound,"Hardwire AM sound at 6.5Hz (France), FM can autoscan")
	MODULE_PARM_DESC (dolby,"Activates Dolby processing")
int	msp_reset (struct i2c_client *client)
int	msp_read_dem (struct i2c_client *client, int addr)
int	msp_read_dsp (struct i2c_client *client, int addr)
int	msp_write_dem (struct i2c_client *client, int addr, int val)
int	msp_write_dsp (struct i2c_client *client, int addr, int val)
void	msp_set_scart (struct i2c_client *client, int in, int out)
int	msp_sleep (struct msp_state *state, int timeout)
void	msp_update_volume (struct msp_state *state)
	MODULE_DEVICE_TABLE (i2c, msp_id)
	module_i2c_driver (msp_driver)

Variables
int	msp_debug
bool	msp_once
bool	msp_amsound
int	msp_standard = 1
bool	msp_dolby
int	msp_stereo_thresh = 0x190

Macro Definition Documentation

#define I2C_MSP_CONTROL   0x00

Definition at line 104 of file msp3400-driver.c.

#define I2C_MSP_DEM   0x10

Definition at line 106 of file msp3400-driver.c.

#define I2C_MSP_DSP   0x12

Definition at line 108 of file msp3400-driver.c.

Function Documentation

MODULE_AUTHOR

(

"Gerd Knorr"

)

MODULE_DESCRIPTION

(

"device driver for msp34xx TV sound processor"

)

MODULE_DEVICE_TABLE	(	i2c	,
		msp_id
	)

module_i2c_driver

(

msp_driver

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	opmode	,
		int	,
		0444
	)

module_param_named	(	once	,
		msp_once	,
		bool	,
		0644
	)

module_param_named	(	debug	,
		msp_debug	,
		int	,
		0644
	)

module_param_named	(	stereo_threshold	,
		msp_stereo_thresh	,
		int	,
		0644
	)

module_param_named	(	standard	,
		msp_standard	,
		int	,
		0644
	)

module_param_named	(	amsound	,
		msp_amsound	,
		bool	,
		0644
	)

module_param_named	(	dolby	,
		msp_dolby	,
		bool	,
		0644
	)

MODULE_PARM_DESC	(	opmode	,
		"Forces a MSP3400 opmode.	0 = Manual,
		1	= Autodetect
	)

MODULE_PARM_DESC	(	once	,
		"No continuous stereo monitoring"
	)

MODULE_PARM_DESC	(	debug	,
		"Enable debug messages "	[0-3]
	)

MODULE_PARM_DESC	(	stereo_threshold	,
		"Sets signal threshold to activate stereo"
	)

MODULE_PARM_DESC	(	standard	,
		"Specify audio standard:	32 = NTSC,
		64	= radio,
		Default:Autodetect"
	)

MODULE_PARM_DESC	(	amsound	,
		"Hardwire AM sound at 6.5Hz	France,
		FM can autoscan"
	)

MODULE_PARM_DESC	(	dolby	,
		"Activates Dolby processing"
	)

int msp_read_dem	(	struct i2c_client *	client,
		int	addr
	)

Definition at line 200 of file msp3400-driver.c.

int msp_read_dsp	(	struct i2c_client *	client,
		int	addr
	)

Definition at line 205 of file msp3400-driver.c.

int msp_reset

(

struct i2c_client *

client

)

Definition at line 114 of file msp3400-driver.c.

void msp_set_scart	(	struct i2c_client *	client,
		int	in,
		int	out
	)

Definition at line 289 of file msp3400-driver.c.

int msp_sleep	(	struct msp_state *	state,
		int	timeout
	)

Definition at line 326 of file msp3400-driver.c.

void msp_update_volume

(

struct msp_state *

state

)

Definition at line 410 of file msp3400-driver.c.

int msp_write_dem	(	struct i2c_client *	client,
		int	addr,
		int	val
	)

Definition at line 238 of file msp3400-driver.c.

int msp_write_dsp	(	struct i2c_client *	client,
		int	addr,
		int	val
	)

Definition at line 243 of file msp3400-driver.c.

Variable Documentation

bool msp_amsound

Definition at line 73 of file msp3400-driver.c.

int msp_debug

Definition at line 71 of file msp3400-driver.c.

bool msp_dolby

Definition at line 77 of file msp3400-driver.c.

bool msp_once

Definition at line 72 of file msp3400-driver.c.

int msp_standard = 1

Definition at line 75 of file msp3400-driver.c.

int msp_stereo_thresh = 0x190

Definition at line 79 of file msp3400-driver.c.