cx25821-alsa.c File Reference

#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/control.h>
#include <sound/initval.h>
#include <sound/tlv.h>
#include "cx25821.h"
#include "cx25821-reg.h"

Go to the source code of this file.

Data Structures
struct	cx25821_audio_buffer
struct	cx25821_audio_dev

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	AUDIO_SRAM_CHANNEL   SRAM_CH08
#define	dprintk(level, fmt, arg...)
#define	dprintk_core(level, fmt, arg...)
#define	AUD_INT_DN_RISCI1   (1 << 0)
#define	AUD_INT_UP_RISCI1   (1 << 1)
#define	AUD_INT_RDS_DN_RISCI1   (1 << 2)
#define	AUD_INT_DN_RISCI2   (1 << 4) /* yes, 3 is skipped */
#define	AUD_INT_UP_RISCI2   (1 << 5)
#define	AUD_INT_RDS_DN_RISCI2   (1 << 6)
#define	AUD_INT_DN_SYNC   (1 << 12)
#define	AUD_INT_UP_SYNC   (1 << 13)
#define	AUD_INT_RDS_DN_SYNC   (1 << 14)
#define	AUD_INT_OPC_ERR   (1 << 16)
#define	AUD_INT_BER_IRQ   (1 << 20)
#define	AUD_INT_MCHG_IRQ   (1 << 21)
#define	GP_COUNT_CONTROL_RESET   0x3
#define	PCI_MSK_AUD_EXT   (1 << 4)
#define	PCI_MSK_AUD_INT   (1 << 3)
#define	MAX_IRQ_LOOP   50
#define	DEFAULT_FIFO_SIZE   384

Functions
	module_param_array (enable, bool, NULL, 0444)
	MODULE_PARM_DESC (enable,"Enable cx25821 soundcard. default enabled.")
	module_param_array (index, int, NULL, 0444)
	MODULE_PARM_DESC (index,"Index value for cx25821 capture interface(s).")
	MODULE_DESCRIPTION ("ALSA driver module for cx25821 based capture cards")
	MODULE_AUTHOR ("Hiep Huynh")
	MODULE_LICENSE ("GPL")
	MODULE_SUPPORTED_DEVICE ("{{Conexant,25821}")
	module_param (debug, int, 0644)
	MODULE_PARM_DESC (debug,"enable debug messages")
	MODULE_DEVICE_TABLE (pci, cx25821_audio_pci_tbl)
	late_initcall (cx25821_alsa_init)
	module_exit (cx25821_audio_fini)

Macro Definition Documentation

#define AUD_INT_BER_IRQ   (1 << 20)

Definition at line 140 of file cx25821-alsa.c.

#define AUD_INT_DN_RISCI1   (1 << 0)

Definition at line 130 of file cx25821-alsa.c.

#define AUD_INT_DN_RISCI2   (1 << 4) /* yes, 3 is skipped */

Definition at line 133 of file cx25821-alsa.c.

#define AUD_INT_DN_SYNC   (1 << 12)

Definition at line 136 of file cx25821-alsa.c.

#define AUD_INT_MCHG_IRQ   (1 << 21)

Definition at line 141 of file cx25821-alsa.c.

#define AUD_INT_OPC_ERR   (1 << 16)

Definition at line 139 of file cx25821-alsa.c.

#define AUD_INT_RDS_DN_RISCI1   (1 << 2)

Definition at line 132 of file cx25821-alsa.c.

#define AUD_INT_RDS_DN_RISCI2   (1 << 6)

Definition at line 135 of file cx25821-alsa.c.

#define AUD_INT_RDS_DN_SYNC   (1 << 14)

Definition at line 138 of file cx25821-alsa.c.

#define AUD_INT_UP_RISCI1   (1 << 1)

Definition at line 131 of file cx25821-alsa.c.

#define AUD_INT_UP_RISCI2   (1 << 5)

Definition at line 134 of file cx25821-alsa.c.

#define AUD_INT_UP_SYNC   (1 << 13)

Definition at line 137 of file cx25821-alsa.c.

#define AUDIO_SRAM_CHANNEL   SRAM_CH08

Definition at line 45 of file cx25821-alsa.c.

#define DEFAULT_FIFO_SIZE   384

Definition at line 355 of file cx25821-alsa.c.

#define dprintk	(		level,
			fmt,
			arg...
	)

Value:

do {                                \
    if (debug >= level)                 \
        pr_info("%s/1: " fmt, chip->dev->name, ##arg);  \
} while (0)

Definition at line 47 of file cx25821-alsa.c.

#define dprintk_core	(		level,
			fmt,
			arg...
	)

Value:

do {                                    \
    if (debug >= level)                     \
        printk(KERN_DEBUG "%s/1: " fmt, chip->dev->name, ##arg); \
} while (0)

Definition at line 52 of file cx25821-alsa.c.

#define GP_COUNT_CONTROL_RESET   0x3

Definition at line 142 of file cx25821-alsa.c.

#define MAX_IRQ_LOOP   50

Definition at line 227 of file cx25821-alsa.c.

#define PCI_MSK_AUD_EXT   (1 << 4)

Definition at line 144 of file cx25821-alsa.c.

#define PCI_MSK_AUD_INT   (1 << 3)

Definition at line 145 of file cx25821-alsa.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 23 of file cx25821-alsa.c.

Function Documentation

late_initcall

(

cx25821_alsa_init

)

MODULE_AUTHOR

(

"Hiep Huynh"

)

MODULE_DESCRIPTION

(

"ALSA driver module for cx25821 based capture cards"

)

MODULE_DEVICE_TABLE	(	pci	,
		cx25821_audio_pci_tbl
	)

module_exit

(

cx25821_audio_fini

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	debug	,
		int	,
		0644
	)

module_param_array	(	enable	,
		bool	,
		NULL	,
		0444
	)

module_param_array	(	index	,
		int	,
		NULL	,
		0444
	)

MODULE_PARM_DESC	(	enable	,
		"Enable cx25821 soundcard. default enabled."
	)

MODULE_PARM_DESC	(	index	,
		"Index value for cx25821 capture interface(s)."
	)

MODULE_PARM_DESC	(	debug	,
		"enable debug messages"
	)

MODULE_SUPPORTED_DEVICE

(

)