#include <linux/init.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
#include <linux/delay.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/initval.h>
#include <sound/soc.h>

Data Structures
struct	hac_priv

Macros
#define	HACCR 0x08

#define	HACCSAR 0x20

#define	HACCSDR 0x24

#define	HACPCML 0x28

#define	HACPCMR 0x2C

#define	HACTIER 0x50

#define	HACTSR 0x54

#define	HACRIER 0x58

#define	HACRSR 0x5C

#define	HACACR 0x60

#define	CR_CR (1 << 15) /* "codec-ready" indicator */

#define	CR_CDRT (1 << 11) /* cold reset */

#define	CR_WMRT (1 << 10) /* warm reset */

#define	CR_B9 (1 << 9) /* the mysterious "bit 9" */

#define	CR_ST (1 << 5) /* AC97 link start bit */

#define	CSAR_RD (1 << 19) /* AC97 data read bit */

#define	CSAR_WR (0)

#define	TSR_CMDAMT (1 << 31)

#define	TSR_CMDDMT (1 << 30)

#define	RSR_STARY (1 << 22)

#define	RSR_STDRY (1 << 21)

#define	ACR_DMARX16 (1 << 30)

#define	ACR_DMATX16 (1 << 29)

#define	ACR_TX12ATOM (1 << 26)

#define	ACR_DMARX20 ((1 << 24) \| (1 << 22))

#define	ACR_DMATX20 ((1 << 23) \| (1 << 21))

#define	CSDR_SHIFT 4

#define	CSDR_MASK (0xffff << CSDR_SHIFT)

#define	CSAR_SHIFT 12

#define	CSAR_MASK (0x7f << CSAR_SHIFT)

#define	AC97_WRITE_RETRY 1

#define	AC97_READ_RETRY 5

#define	TMO_E1 500 /* 21 < E1 < 1000 */

#define	TMO_E2 13 /* 13 < E2 */

#define	TMO_E3 21 /* 21 < E3 */

#define	TMO_E4 500 /* 21 < E4 < 1000 */

#define	HACREG(reg) ((unsigned long )(hac->mmio + (reg)))

#define	AC97_RATES SNDRV_PCM_RATE_8000_192000

#define	AC97_FMTS SNDRV_PCM_FMTBIT_S16_LE

Functions
	EXPORT_SYMBOL_GPL (soc_ac97_ops)

	module_platform_driver (hac_pcm_driver)

	MODULE_LICENSE ("GPL")

	MODULE_DESCRIPTION ("SuperH onchip HAC (AC97) audio driver")

	MODULE_AUTHOR ("Manuel Lauss <[email protected]>")

Variables
struct hac_priv	hac_cpu_data []

struct snd_ac97_bus_ops	soc_ac97_ops

Macro Definition Documentation

#define AC97_FMTS SNDRV_PCM_FMTBIT_S16_LE

Definition at line 266 of file hac.c.

#define AC97_RATES SNDRV_PCM_RATE_8000_192000

Definition at line 263 of file hac.c.

#define AC97_READ_RETRY 5

Definition at line 69 of file hac.c.

#define AC97_WRITE_RETRY 1

Definition at line 68 of file hac.c.

#define ACR_DMARX16 (1 << 30)

Definition at line 57 of file hac.c.

#define ACR_DMARX20 ((1 << 24) | (1 << 22))

Definition at line 60 of file hac.c.

#define ACR_DMATX16 (1 << 29)

Definition at line 58 of file hac.c.

#define ACR_DMATX20 ((1 << 23) | (1 << 21))

Definition at line 61 of file hac.c.

#define ACR_TX12ATOM (1 << 26)

Definition at line 59 of file hac.c.

#define CR_B9 (1 << 9) /* the mysterious "bit 9" */

Definition at line 45 of file hac.c.

#define CR_CDRT (1 << 11) /* cold reset */

Definition at line 43 of file hac.c.

#define CR_CR (1 << 15) /* "codec-ready" indicator */

Definition at line 42 of file hac.c.

#define CR_ST (1 << 5) /* AC97 link start bit */

Definition at line 46 of file hac.c.

#define CR_WMRT (1 << 10) /* warm reset */

Definition at line 44 of file hac.c.

#define CSAR_MASK (0x7f << CSAR_SHIFT)

Definition at line 66 of file hac.c.

#define CSAR_RD (1 << 19) /* AC97 data read bit */

Definition at line 48 of file hac.c.

#define CSAR_SHIFT 12

Definition at line 65 of file hac.c.

#define CSAR_WR (0)

Definition at line 49 of file hac.c.

#define CSDR_MASK (0xffff << CSDR_SHIFT)

Definition at line 64 of file hac.c.

#define CSDR_SHIFT 4

Definition at line 63 of file hac.c.

#define HACACR 0x60

Definition at line 40 of file hac.c.

#define HACCR 0x08

Definition at line 31 of file hac.c.

#define HACCSAR 0x20

Definition at line 32 of file hac.c.

#define HACCSDR 0x24

Definition at line 33 of file hac.c.

#define HACPCML 0x28

Definition at line 34 of file hac.c.

#define HACPCMR 0x2C

Definition at line 35 of file hac.c.

#define HACREG ( reg ) (*(unsigned long *)(hac->mmio + (reg)))

Definition at line 96 of file hac.c.

#define HACRIER 0x58

Definition at line 38 of file hac.c.

#define HACRSR 0x5C

Definition at line 39 of file hac.c.

#define HACTIER 0x50

Definition at line 36 of file hac.c.

#define HACTSR 0x54

Definition at line 37 of file hac.c.

#define RSR_STARY (1 << 22)

Definition at line 54 of file hac.c.

#define RSR_STDRY (1 << 21)

Definition at line 55 of file hac.c.

#define TMO_E1 500 /* 21 < E1 < 1000 */

Definition at line 72 of file hac.c.

#define TMO_E2 13 /* 13 < E2 */

Definition at line 73 of file hac.c.

#define TMO_E3 21 /* 21 < E3 */

Definition at line 74 of file hac.c.

#define TMO_E4 500 /* 21 < E4 < 1000 */

Definition at line 75 of file hac.c.

#define TSR_CMDAMT (1 << 31)

Definition at line 51 of file hac.c.

#define TSR_CMDDMT (1 << 30)

Definition at line 52 of file hac.c.

Function Documentation

EXPORT_SYMBOL_GPL ( soc_ac97_ops )

MODULE_AUTHOR ( "Manuel Lauss <[email protected]>" )

MODULE_DESCRIPTION ( "SuperH onchip HAC (AC97) audio driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( hac_pcm_driver )

Variable Documentation

struct hac_priv hac_cpu_data[]

Initial value:

= {
}

struct snd_ac97_bus_ops soc_ac97_ops

Initial value:

= {
    .read   = hac_ac97_read,
    .write  = hac_ac97_write,
    .reset  = hac_ac97_coldrst,
    .warm_reset = hac_ac97_warmrst,
}

Definition at line 230 of file hac.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation