ac97.c File Reference

#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <device/pci_ops.h>
#include <delay.h>
#include "i82801dx.h"

Include dependency graph for ac97.c:

Go to the source code of this file.

Macros
#define	NAMBAR   0x10
#define	MASTER_VOL   0x02
#define	PAGING   0x24
#define	EXT_AUDIO   0x28
#define	FUNC_SEL   0x66
#define	INFO_IO   0x68
#define	CONNECTOR   0x6a
#define	VENDOR_ID1   0x7c
#define	VENDOR_ID2   0x7e
#define	SEC_VENDOR_ID1   0xfc
#define	SEC_VENDOR_ID2   0xfe
#define	NABMBAR   0x14
#define	GLOB_CNT   0x2c
#define	GLOB_STA   0x30
#define	CAS   0x34
#define	MMBAR   0x10
#define	EXT_MODEM_ID1   0x3c
#define	EXT_MODEM_ID2   0xbc
#define	MBAR   0x14
#define	SEC_CODEC   0x40

Functions
static int	ac97_semaphore (void)
static void	init_cnr (void)
static void	program_sigid (struct device *dev, u32 id)
static void	ac97_audio_init (struct device *dev)
static void	ac97_modem_init (struct device *dev)

Variables
static u16	ac97_function [16 *2][4]
static u16	nabmbar
static u16	nambar
static struct device_operations	ac97_audio_ops
static struct device_operations	ac97_modem_ops
static const struct pci_driver i82801db_ac97_audio	__pci_driver

Macro Definition Documentation

CAS

#define CAS   0x34

Definition at line 27 of file ac97.c.

CONNECTOR

#define CONNECTOR   0x6a

Definition at line 18 of file ac97.c.

EXT_AUDIO

#define EXT_AUDIO   0x28

Definition at line 15 of file ac97.c.

EXT_MODEM_ID1

#define EXT_MODEM_ID1   0x3c

Definition at line 30 of file ac97.c.

EXT_MODEM_ID2

#define EXT_MODEM_ID2   0xbc

Definition at line 31 of file ac97.c.

FUNC_SEL

#define FUNC_SEL   0x66

Definition at line 16 of file ac97.c.

GLOB_CNT

#define GLOB_CNT   0x2c

Definition at line 25 of file ac97.c.

GLOB_STA

#define GLOB_STA   0x30

Definition at line 26 of file ac97.c.

INFO_IO

#define INFO_IO   0x68

Definition at line 17 of file ac97.c.

MASTER_VOL

#define MASTER_VOL   0x02

Definition at line 13 of file ac97.c.

MBAR

#define MBAR   0x14

Definition at line 33 of file ac97.c.

MMBAR

#define MMBAR   0x10

Definition at line 29 of file ac97.c.

NABMBAR

#define NABMBAR   0x14

Definition at line 24 of file ac97.c.

NAMBAR

#define NAMBAR   0x10

Definition at line 12 of file ac97.c.

PAGING

#define PAGING   0x24

Definition at line 14 of file ac97.c.

SEC_CODEC

#define SEC_CODEC   0x40

Definition at line 34 of file ac97.c.

SEC_VENDOR_ID1

#define SEC_VENDOR_ID1   0xfc

Definition at line 21 of file ac97.c.

SEC_VENDOR_ID2

#define SEC_VENDOR_ID2   0xfe

Definition at line 22 of file ac97.c.

VENDOR_ID1

#define VENDOR_ID1   0x7c

Definition at line 19 of file ac97.c.

VENDOR_ID2

#define VENDOR_ID2   0x7e

Definition at line 20 of file ac97.c.

Function Documentation

ac97_audio_init()

static void ac97_audio_init ( struct device *  dev )

static

Definition at line 102 of file ac97.c.

References ac97_function, ac97_semaphore(), BIOS_DEBUG, CONNECTOR, EXT_AUDIO, FUNC_SEL, GLOB_CNT, GLOB_STA, INFO_IO, init_cnr(), inl(), inw(), MASTER_VOL, NABMBAR, nabmbar, NAMBAR, nambar, outw(), PAGING, pci_read_config16(), printk, program_sigid(), udelay(), VENDOR_ID1, and VENDOR_ID2.

Here is the call graph for this function:

ac97_modem_init()

static void ac97_modem_init ( struct device *  dev )

static

Definition at line 199 of file ac97.c.

ac97_semaphore()

static int ac97_semaphore ( void  )

static

Definition at line 75 of file ac97.c.

References BIOS_DEBUG, CAS, inb(), nabmbar, and printk.

Referenced by ac97_audio_init().

Here is the call graph for this function:

Here is the caller graph for this function:

init_cnr()

static void init_cnr ( void  )

static

Definition at line 92 of file ac97.c.

Referenced by ac97_audio_init().

Here is the caller graph for this function:

program_sigid()

static void program_sigid ( struct device *  dev, u32  id  )

static

Definition at line 97 of file ac97.c.

References pci_write_config32().

Referenced by ac97_audio_init().

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

__pci_driver

static const struct pci_driver i82801db_ac97_modem __pci_driver

static

Initial value:

= {
        .ops    = &ac97_audio_ops,
        .vendor = PCI_VID_INTEL,
        .device = PCI_DID_INTEL_82801DB_AC97_AUDIO,
}

Definition at line 199 of file ac97.c.

ac97_audio_ops

struct device_operations ac97_audio_ops

static

Initial value:

= {
        .read_resources   = pci_dev_read_resources,
        .set_resources    = pci_dev_set_resources,
        .enable_resources = pci_dev_enable_resources,
        .enable           = i82801dx_enable,
        .init             = ac97_audio_init,
}

Definition at line 199 of file ac97.c.

ac97_function

u16 ac97_function[16 *2][4]

static

Definition at line 37 of file ac97.c.

Referenced by ac97_audio_init().

ac97_modem_ops

struct device_operations ac97_modem_ops

static

Initial value:

= {
        .read_resources   = pci_dev_read_resources,
        .set_resources    = pci_dev_set_resources,
        .enable_resources = pci_dev_enable_resources,
        .enable           = i82801dx_enable,
        .init             = ac97_modem_init,
}

Definition at line 199 of file ac97.c.

nabmbar

u16 nabmbar

static

Definition at line 72 of file ac97.c.

Referenced by ac97_audio_init(), and ac97_semaphore().

nambar

u16 nambar

static

Definition at line 73 of file ac97.c.

Referenced by ac97_audio_init().