hal2.c File Reference

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <asm/sgi/hpc3.h>
#include <asm/sgi/ip22.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/pcm-indirect.h>
#include <sound/initval.h>
#include "hal2.h"

Go to the source code of this file.

Data Structures
struct	hal2_pbus
struct	hal2_desc
struct	hal2_codec
struct	snd_hal2

Macros
#define	H2_BLOCK_SIZE   1024
#define	H2_BUF_SIZE   16384
#define	H2_MIX_OUTPUT_ATT   0
#define	H2_MIX_INPUT_GAIN   1
#define	H2_INDIRECT_WAIT(regs)   while (hal2_read(&regs->isr) & H2_ISR_TSTATUS);
#define	H2_READ_ADDR(addr)   (addr | (1<<7))
#define	H2_WRITE_ADDR(addr)   (addr)
#define	HAL2_PBUS_DMACFG

Functions
	module_param (index, int, 0444)
	MODULE_PARM_DESC (index,"Index value for SGI HAL2 soundcard.")
	module_param (id, charp, 0444)
	MODULE_PARM_DESC (id,"ID string for SGI HAL2 soundcard.")
	MODULE_DESCRIPTION ("ALSA driver for SGI HAL2 audio")
	MODULE_AUTHOR ("Thomas Bogendoerfer")
	MODULE_LICENSE ("GPL")
	module_platform_driver (hal2_driver)

Macro Definition Documentation

#define H2_BLOCK_SIZE   1024

Definition at line 54 of file hal2.c.

#define H2_BUF_SIZE   16384

Definition at line 55 of file hal2.c.

#define H2_INDIRECT_WAIT

(

regs

)

while (hal2_read(&regs->isr) & H2_ISR_TSTATUS);

Definition at line 100 of file hal2.c.

#define H2_MIX_INPUT_GAIN   1

Definition at line 86 of file hal2.c.

#define H2_MIX_OUTPUT_ATT   0

Definition at line 85 of file hal2.c.

#define H2_READ_ADDR

(

addr

)

(addr | (1<<7))

Definition at line 102 of file hal2.c.

#define H2_WRITE_ADDR

(

addr

)

(addr)

Definition at line 103 of file hal2.c.

#define HAL2_PBUS_DMACFG

Value:

((0 << HPC3_DMACFG_D3R_SHIFT) | \
              (2 << HPC3_DMACFG_D4R_SHIFT) | \
              (2 << HPC3_DMACFG_D5R_SHIFT) | \
              (0 << HPC3_DMACFG_D3W_SHIFT) | \
              (2 << HPC3_DMACFG_D4W_SHIFT) | \
              (2 << HPC3_DMACFG_D5W_SHIFT) | \
                HPC3_DMACFG_DS16 | \
                HPC3_DMACFG_EVENHI | \
                HPC3_DMACFG_RTIME | \
              (8 << HPC3_DMACFG_BURST_SHIFT) | \
                HPC3_DMACFG_DRQLIVE)

Function Documentation

MODULE_AUTHOR

(

"Thomas Bogendoerfer"

)

MODULE_DESCRIPTION

(

"ALSA driver for SGI HAL2 audio"

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	index	,
		int	,
		0444
	)

module_param	(	id	,
		charp	,
		0444
	)

MODULE_PARM_DESC	(	index	,
		"Index value for SGI HAL2 soundcard."
	)

MODULE_PARM_DESC	(	id	,
		"ID string for SGI HAL2 soundcard."
	)

module_platform_driver

(

hal2_driver

)