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Data Structures | Macros | Functions
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 ( )