// SPDX-License-Identifier: GPL-2.0-or-later
/*
* ALSA driver for Intel ICH (i8x0) chipsets
*
* Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
*
* This code also contains alpha support for SiS 735 chipsets provided
* by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet
* for SiS735, so the code is not fully functional.
*
*/
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/info.h>
#include <sound/initval.h>
MODULE_AUTHOR(
"Jaroslav Kysela <perex@perex.cz>" );
MODULE_DESCRIPTION(
"Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455" );
MODULE_LICENSE(
"GPL" );
static int index = SNDRV_DEFAULT_IDX1;
/* Index 0-MAX */
static char *id = SNDRV_DEFAULT_STR1;
/* ID for this card */
static int ac97_clock;
static char *ac97_quirk;
static bool buggy_semaphore;
static int buggy_irq = -
1 ;
/* auto-check */
static bool xbox;
static int spdif_aclink = -
1 ;
static int inside_vm = -
1 ;
module_param(index,
int ,
0444 );
MODULE_PARM_DESC(index,
"Index value for Intel i8x0 soundcard." );
module_param(id, charp,
0444 );
MODULE_PARM_DESC(id,
"ID string for Intel i8x0 soundcard." );
module_param(ac97_clock,
int ,
0444 );
MODULE_PARM_DESC(ac97_clock,
"AC'97 codec clock (0 = allowlist + auto-detect, 1 = force autodetect)." );
module_param(ac97_quirk, charp,
0444 );
MODULE_PARM_DESC(ac97_quirk,
"AC'97 workaround for strange hardware." );
module_param(buggy_semaphore,
bool ,
0444 );
MODULE_PARM_DESC(buggy_semaphore,
"Enable workaround for hardwares with problematic codec semaphores." );
module_param(buggy_irq, bint,
0444 );
MODULE_PARM_DESC(buggy_irq,
"Enable workaround for buggy interrupts on some motherboards." );
module_param(xbox,
bool ,
0444 );
MODULE_PARM_DESC(xbox,
"Set to 1 for Xbox, if you have problems with the AC'97 codec detection." );
module_param(spdif_aclink,
int ,
0444 );
MODULE_PARM_DESC(spdif_aclink,
"S/PDIF over AC-link." );
module_param(inside_vm, bint,
0444 );
MODULE_PARM_DESC(inside_vm,
"KVM/Parallels optimization." );
/* just for backward compatibility */
static bool enable;
module_param(enable,
bool ,
0444 );
static int joystick;
module_param(joystick,
int ,
0444 );
/*
* Direct registers
*/
enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
#define ICHREG(x) ICH_REG_
## x
#define DEFINE_REGSET(name,base) \
enum { \
ICH_REG_
## name
## _BDBAR = base +
0 x0,
/* dword - buffer descriptor list base address */ \
ICH_REG_
## name
## _CIV = base +
0 x04,
/* byte - current index value */ \
ICH_REG_
## name
## _LVI = base +
0 x05,
/* byte - last valid index */ \
ICH_REG_
## name
## _SR = base +
0 x06,
/* byte - status register */ \
ICH_REG_
## name
## _PICB = base +
0 x08,
/* word - position in current buffer */ \
ICH_REG_
## name
## _PIV = base +
0 x0a,
/* byte - prefetched index value */ \
ICH_REG_
## name
## _CR = base +
0 x0b,
/* byte - control register */ \
}
/* busmaster blocks */
DEFINE_REGSET(OFF,
0 );
/* offset */
DEFINE_REGSET(PI,
0 x00);
/* PCM in */
DEFINE_REGSET(PO,
0 x10);
/* PCM out */
DEFINE_REGSET(MC,
0 x20);
/* Mic in */
/* ICH4 busmaster blocks */
DEFINE_REGSET(MC2,
0 x40);
/* Mic in 2 */
DEFINE_REGSET(PI2,
0 x50);
/* PCM in 2 */
DEFINE_REGSET(SP,
0 x60);
/* SPDIF out */
/* values for each busmaster block */
/* LVI */
#define ICH_REG_LVI_MASK
0 x1f
/* SR */
#define ICH_FIFOE
0 x10
/* FIFO error */
#define ICH_BCIS
0 x08
/* buffer completion interrupt status */
#define ICH_LVBCI
0 x04
/* last valid buffer completion interrupt */
#define ICH_CELV
0 x02
/* current equals last valid */
#define ICH_DCH
0 x01
/* DMA controller halted */
/* PIV */
#define ICH_REG_PIV_MASK
0 x1f
/* mask */
/* CR */
#define ICH_IOCE
0 x10
/* interrupt on completion enable */
#define ICH_FEIE
0 x08
/* fifo error interrupt enable */
#define ICH_LVBIE
0 x04
/* last valid buffer interrupt enable */
#define ICH_RESETREGS
0 x02
/* reset busmaster registers */
#define ICH_STARTBM
0 x01
/* start busmaster operation */
/* global block */
#define ICH_REG_GLOB_CNT
0 x2c
/* dword - global control */
#define ICH_PCM_SPDIF_MASK
0 xc0000000
/* s/pdif pcm slot mask (ICH4) */
#define ICH_PCM_SPDIF_NONE
0 x00000000
/* reserved - undefined */
#define ICH_PCM_SPDIF_78
0 x40000000
/* s/pdif pcm on slots 7&8 */
#define ICH_PCM_SPDIF_69
0 x80000000
/* s/pdif pcm on slots 6&9 */
#define ICH_PCM_SPDIF_1011
0 xc0000000
/* s/pdif pcm on slots 10&11 */
#define ICH_PCM_20BIT
0 x00400000
/* 20-bit samples (ICH4) */
#define ICH_PCM_246_MASK
0 x00300000
/* chan mask (not all chips) */
#define ICH_PCM_8
0 x00300000
/* 8 channels (not all chips) */
#define ICH_PCM_6
0 x00200000
/* 6 channels (not all chips) */
#define ICH_PCM_4
0 x00100000
/* 4 channels (not all chips) */
#define ICH_PCM_2
0 x00000000
/* 2 channels (stereo) */
#define ICH_SIS_PCM_246_MASK
0 x000000c0
/* 6 channels (SIS7012) */
#define ICH_SIS_PCM_6
0 x00000080
/* 6 channels (SIS7012) */
#define ICH_SIS_PCM_4
0 x00000040
/* 4 channels (SIS7012) */
#define ICH_SIS_PCM_2
0 x00000000
/* 2 channels (SIS7012) */
#define ICH_TRIE
0 x00000040
/* tertiary resume interrupt enable */
#define ICH_SRIE
0 x00000020
/* secondary resume interrupt enable */
#define ICH_PRIE
0 x00000010
/* primary resume interrupt enable */
#define ICH_ACLINK
0 x00000008
/* AClink shut off */
#define ICH_AC97WARM
0 x00000004
/* AC'97 warm reset */
#define ICH_AC97COLD
0 x00000002
/* AC'97 cold reset */
#define ICH_GIE
0 x00000001
/* GPI interrupt enable */
#define ICH_REG_GLOB_STA
0 x30
/* dword - global status */
#define ICH_TRI
0 x20000000
/* ICH4: tertiary (AC_SDIN2) resume interrupt */
#define ICH_TCR
0 x10000000
/* ICH4: tertiary (AC_SDIN2) codec ready */
#define ICH_BCS
0 x08000000
/* ICH4: bit clock stopped */
#define ICH_SPINT
0 x04000000
/* ICH4: S/PDIF interrupt */
#define ICH_P2INT
0 x02000000
/* ICH4: PCM2-In interrupt */
#define ICH_M2INT
0 x01000000
/* ICH4: Mic2-In interrupt */
#define ICH_SAMPLE_CAP
0 x00c00000
/* ICH4: sample capability bits (RO) */
#define ICH_SAMPLE_16_20
0 x00400000
/* ICH4: 16- and 20-bit samples */
#define ICH_MULTICHAN_CAP
0 x00300000
/* ICH4: multi-channel capability bits (RO) */
#define ICH_SIS_TRI
0 x00080000
/* SIS: tertiary resume irq */
#define ICH_SIS_TCR
0 x00040000
/* SIS: tertiary codec ready */
#define ICH_MD3
0 x00020000
/* modem power down semaphore */
#define ICH_AD3
0 x00010000
/* audio power down semaphore */
#define ICH_RCS
0 x00008000
/* read completion status */
#define ICH_BIT3
0 x00004000
/* bit 3 slot 12 */
#define ICH_BIT2
0 x00002000
/* bit 2 slot 12 */
#define ICH_BIT1
0 x00001000
/* bit 1 slot 12 */
#define ICH_SRI
0 x00000800
/* secondary (AC_SDIN1) resume interrupt */
#define ICH_PRI
0 x00000400
/* primary (AC_SDIN0) resume interrupt */
#define ICH_SCR
0 x00000200
/* secondary (AC_SDIN1) codec ready */
#define ICH_PCR
0 x00000100
/* primary (AC_SDIN0) codec ready */
#define ICH_MCINT
0 x00000080
/* MIC capture interrupt */
#define ICH_POINT
0 x00000040
/* playback interrupt */
#define ICH_PIINT
0 x00000020
/* capture interrupt */
#define ICH_NVSPINT
0 x00000010
/* nforce spdif interrupt */
#define ICH_MOINT
0 x00000004
/* modem playback interrupt */
#define ICH_MIINT
0 x00000002
/* modem capture interrupt */
#define ICH_GSCI
0 x00000001
/* GPI status change interrupt */
#define ICH_REG_ACC_SEMA
0 x34
/* byte - codec write semaphore */
#define ICH_CAS
0 x01
/* codec access semaphore */
#define ICH_REG_SDM
0 x80
#define ICH_DI2L_MASK
0 x000000c0
/* PCM In 2, Mic In 2 data in line */
#define ICH_DI2L_SHIFT
6
#define ICH_DI1L_MASK
0 x00000030
/* PCM In 1, Mic In 1 data in line */
#define ICH_DI1L_SHIFT
4
#define ICH_SE
0 x00000008
/* steer enable */
#define ICH_LDI_MASK
0 x00000003
/* last codec read data input */
#define ICH_MAX_FRAGS
32 /* max hw frags */
/*
* registers for Ali5455
*/
/* ALi 5455 busmaster blocks */
DEFINE_REGSET(AL_PI,
0 x40);
/* ALi PCM in */
DEFINE_REGSET(AL_PO,
0 x50);
/* Ali PCM out */
DEFINE_REGSET(AL_MC,
0 x60);
/* Ali Mic in */
DEFINE_REGSET(AL_CDC_SPO,
0 x70);
/* Ali Codec SPDIF out */
DEFINE_REGSET(AL_CENTER,
0 x80);
/* Ali center out */
DEFINE_REGSET(AL_LFE,
0 x90);
/* Ali center out */
DEFINE_REGSET(AL_CLR_SPI,
0 xa0);
/* Ali Controller SPDIF in */
DEFINE_REGSET(AL_CLR_SPO,
0 xb0);
/* Ali Controller SPDIF out */
DEFINE_REGSET(AL_I2S,
0 xc0);
/* Ali I2S in */
DEFINE_REGSET(AL_PI2,
0 xd0);
/* Ali PCM2 in */
DEFINE_REGSET(AL_MC2,
0 xe0);
/* Ali Mic2 in */
enum {
ICH_REG_ALI_SCR =
0 x00,
/* System Control Register */
ICH_REG_ALI_SSR =
0 x04,
/* System Status Register */
ICH_REG_ALI_DMACR =
0 x08,
/* DMA Control Register */
ICH_REG_ALI_FIFOCR1 =
0 x0c,
/* FIFO Control Register 1 */
ICH_REG_ALI_INTERFACECR =
0 x10,
/* Interface Control Register */
ICH_REG_ALI_INTERRUPTCR =
0 x14,
/* Interrupt control Register */
ICH_REG_ALI_INTERRUPTSR =
0 x18,
/* Interrupt Status Register */
ICH_REG_ALI_FIFOCR2 =
0 x1c,
/* FIFO Control Register 2 */
ICH_REG_ALI_CPR =
0 x20,
/* Command Port Register */
ICH_REG_ALI_CPR_ADDR =
0 x22,
/* ac97 addr write */
ICH_REG_ALI_SPR =
0 x24,
/* Status Port Register */
ICH_REG_ALI_SPR_ADDR =
0 x26,
/* ac97 addr read */
ICH_REG_ALI_FIFOCR3 =
0 x2c,
/* FIFO Control Register 3 */
ICH_REG_ALI_TTSR =
0 x30,
/* Transmit Tag Slot Register */
ICH_REG_ALI_RTSR =
0 x34,
/* Receive Tag Slot Register */
ICH_REG_ALI_CSPSR =
0 x38,
/* Command/Status Port Status Register */
ICH_REG_ALI_CAS =
0 x3c,
/* Codec Write Semaphore Register */
ICH_REG_ALI_HWVOL =
0 xf0,
/* hardware volume control/status */
ICH_REG_ALI_I2SCR =
0 xf4,
/* I2S control/status */
ICH_REG_ALI_SPDIFCSR =
0 xf8,
/* spdif channel status register */
ICH_REG_ALI_SPDIFICS =
0 xfc,
/* spdif interface control/status */
};
#define ALI_CAS_SEM_BUSY
0 x80000000
#define ALI_CPR_ADDR_SECONDARY
0 x100
#define ALI_CPR_ADDR_READ
0 x80
#define ALI_CSPSR_CODEC_READY
0 x08
#define ALI_CSPSR_READ_OK
0 x02
#define ALI_CSPSR_WRITE_OK
0 x01
/* interrupts for the whole chip by interrupt status register finish */
#define ALI_INT_MICIN2 (
1 <<
26 )
#define ALI_INT_PCMIN2 (
1 <<
25 )
#define ALI_INT_I2SIN (
1 <<
24 )
#define ALI_INT_SPDIFOUT (
1 <<
23 )
/* controller spdif out INTERRUPT */
#define ALI_INT_SPDIFIN (
1 <<
22 )
#define ALI_INT_LFEOUT (
1 <<
21 )
#define ALI_INT_CENTEROUT (
1 <<
20 )
#define ALI_INT_CODECSPDIFOUT (
1 <<
19 )
#define ALI_INT_MICIN (
1 <<
18 )
#define ALI_INT_PCMOUT (
1 <<
17 )
#define ALI_INT_PCMIN (
1 <<
16 )
#define ALI_INT_CPRAIS (
1 <<
7 )
/* command port available */
#define ALI_INT_SPRAIS (
1 <<
5 )
/* status port available */
#define ALI_INT_GPIO (
1 <<
1 )
#define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
#define ICH_ALI_SC_RESET (
1 <<
31 )
/* master reset */
#define ICH_ALI_SC_AC97_DBL (
1 <<
30 )
#define ICH_ALI_SC_CODEC_SPDF (
3 <<
20 )
/* 1=7/8, 2=6/9, 3=10/11 */
#define ICH_ALI_SC_IN_BITS (
3 <<
18 )
#define ICH_ALI_SC_OUT_BITS (
3 <<
16 )
#define ICH_ALI_SC_6CH_CFG (
3 <<
14 )
#define ICH_ALI_SC_PCM_4 (
1 <<
8 )
#define ICH_ALI_SC_PCM_6 (
2 <<
8 )
#define ICH_ALI_SC_PCM_246_MASK (
3 <<
8 )
#define ICH_ALI_SS_SEC_ID (
3 <<
5 )
#define ICH_ALI_SS_PRI_ID (
3 <<
3 )
#define ICH_ALI_IF_AC97SP (
1 <<
21 )
#define ICH_ALI_IF_MC (
1 <<
20 )
#define ICH_ALI_IF_PI (
1 <<
19 )
#define ICH_ALI_IF_MC2 (
1 <<
18 )
#define ICH_ALI_IF_PI2 (
1 <<
17 )
#define ICH_ALI_IF_LINE_SRC (
1 <<
15 )
/* 0/1 = slot 3/6 */
#define ICH_ALI_IF_MIC_SRC (
1 <<
14 )
/* 0/1 = slot 3/6 */
#define ICH_ALI_IF_SPDF_SRC (
3 <<
12 )
/* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
#define ICH_ALI_IF_AC97_OUT (
3 <<
8 )
/* 00 = PCM, 10 = spdif-in, 11 = i2s */
#define ICH_ALI_IF_PO_SPDF (
1 <<
3 )
#define ICH_ALI_IF_PO (
1 <<
1 )
/*
*
*/
enum {
ICHD_PCMIN,
ICHD_PCMOUT,
ICHD_MIC,
ICHD_MIC2,
ICHD_PCM2IN,
ICHD_SPBAR,
ICHD_LAST = ICHD_SPBAR
};
enum {
NVD_PCMIN,
NVD_PCMOUT,
NVD_MIC,
NVD_SPBAR,
NVD_LAST = NVD_SPBAR
};
enum {
ALID_PCMIN,
ALID_PCMOUT,
ALID_MIC,
ALID_AC97SPDIFOUT,
ALID_SPDIFIN,
ALID_SPDIFOUT,
ALID_LAST = ALID_SPDIFOUT
};
#define get_ichdev(substream) (substream->runtime->private_data)
struct ichdev {
unsigned int ichd;
/* ich device number */
unsigned long reg_offset;
/* offset to bmaddr */
__le32 *bdbar;
/* CPU address (32bit) */
unsigned int bdbar_addr;
/* PCI bus address (32bit) */
struct snd_pcm_substream *substream;
unsigned int physbuf;
/* physical address (32bit) */
unsigned int size;
unsigned int fragsize;
unsigned int fragsize1;
unsigned int position;
unsigned int pos_shift;
unsigned int last_pos;
int frags;
int lvi;
int lvi_frag;
int civ;
int ack;
int ack_reload;
unsigned int ack_bit;
unsigned int roff_sr;
unsigned int roff_picb;
unsigned int int_sta_mask;
/* interrupt status mask */
unsigned int ali_slot;
/* ALI DMA slot */
struct ac97_pcm *pcm;
int pcm_open_flag;
unsigned int prepared:
1 ;
unsigned int suspended:
1 ;
};
struct intel8x0 {
unsigned int device_type;
int irq;
void __iomem *addr;
void __iomem *bmaddr;
struct pci_dev *pci;
struct snd_card *card;
int pcm_devs;
struct snd_pcm *pcm[
6 ];
struct ichdev ichd[
6 ];
unsigned multi4:
1 ,
multi6:
1 ,
multi8 :
1 ,
dra:
1 ,
smp20bit:
1 ;
unsigned in_ac97_init:
1 ,
in_sdin_init:
1 ;
unsigned in_measurement:
1 ;
/* during ac97 clock measurement */
unsigned fix_nocache:
1 ;
/* workaround for 440MX */
unsigned buggy_irq:
1 ;
/* workaround for buggy mobos */
unsigned xbox:
1 ;
/* workaround for Xbox AC'97 detection */
unsigned buggy_semaphore:
1 ;
/* workaround for buggy codec semaphore */
unsigned inside_vm:
1 ;
/* enable VM optimization */
int spdif_idx;
/* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
unsigned int sdm_saved;
/* SDM reg value */
struct snd_ac97_bus *ac97_bus;
struct snd_ac97 *ac97[
3 ];
unsigned int ac97_sdin[
3 ];
unsigned int max_codecs, ncodecs;
const unsigned int *codec_bit;
unsigned int codec_isr_bits;
unsigned int codec_ready_bits;
spinlock_t reg_lock;
u32 bdbars_count;
struct snd_dma_buffer *bdbars;
u32 int_sta_reg;
/* interrupt status register */
u32 int_sta_mask;
/* interrupt status mask */
};
static const struct pci_device_id snd_intel8x0_ids[] = {
{ PCI_VDEVICE(INTEL,
0 x2415), DEVICE_INTEL },
/* 82801AA */
{ PCI_VDEVICE(INTEL,
0 x2425), DEVICE_INTEL },
/* 82901AB */
{ PCI_VDEVICE(INTEL,
0 x2445), DEVICE_INTEL },
/* 82801BA */
{ PCI_VDEVICE(INTEL,
0 x2485), DEVICE_INTEL },
/* ICH3 */
{ PCI_VDEVICE(INTEL,
0 x24c5), DEVICE_INTEL_ICH4 },
/* ICH4 */
{ PCI_VDEVICE(INTEL,
0 x24d5), DEVICE_INTEL_ICH4 },
/* ICH5 */
{ PCI_VDEVICE(INTEL,
0 x25a6), DEVICE_INTEL_ICH4 },
/* ESB */
{ PCI_VDEVICE(INTEL,
0 x266e), DEVICE_INTEL_ICH4 },
/* ICH6 */
{ PCI_VDEVICE(INTEL,
0 x27de), DEVICE_INTEL_ICH4 },
/* ICH7 */
{ PCI_VDEVICE(INTEL,
0 x2698), DEVICE_INTEL_ICH4 },
/* ESB2 */
{ PCI_VDEVICE(INTEL,
0 x7195), DEVICE_INTEL },
/* 440MX */
{ PCI_VDEVICE(SI,
0 x7012), DEVICE_SIS },
/* SI7012 */
{ PCI_VDEVICE(NVIDIA,
0 x01b1), DEVICE_NFORCE },
/* NFORCE */
{ PCI_VDEVICE(NVIDIA,
0 x003a), DEVICE_NFORCE },
/* MCP04 */
{ PCI_VDEVICE(NVIDIA,
0 x006a), DEVICE_NFORCE },
/* NFORCE2 */
{ PCI_VDEVICE(NVIDIA,
0 x0059), DEVICE_NFORCE },
/* CK804 */
{ PCI_VDEVICE(NVIDIA,
0 x008a), DEVICE_NFORCE },
/* CK8 */
{ PCI_VDEVICE(NVIDIA,
0 x00da), DEVICE_NFORCE },
/* NFORCE3 */
{ PCI_VDEVICE(NVIDIA,
0 x00ea), DEVICE_NFORCE },
/* CK8S */
{ PCI_VDEVICE(NVIDIA,
0 x026b), DEVICE_NFORCE },
/* MCP51 */
{ PCI_VDEVICE(AMD,
0 x746d), DEVICE_INTEL },
/* AMD8111 */
{ PCI_VDEVICE(AMD,
0 x7445), DEVICE_INTEL },
/* AMD768 */
{ PCI_VDEVICE(AL,
0 x5455), DEVICE_ALI },
/* Ali5455 */
{
0 , }
};
MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
/*
* Lowlevel I/O - busmaster
*/
static inline u8 igetbyte(
struct intel8x0 *chip, u32 offset)
{
return ioread8(chip->bmaddr + offset);
}
static inline u16 igetword(
struct intel8x0 *chip, u32 offset)
{
return ioread16(chip->bmaddr + offset);
}
static inline u32 igetdword(
struct intel8x0 *chip, u32 offset)
{
return ioread32(chip->bmaddr + offset);
}
static inline void iputbyte(
struct intel8x0 *chip, u32 offset, u8 val)
{
iowrite8(val, chip->bmaddr + offset);
}
static inline void iputword(
struct intel8x0 *chip, u32 offset, u16 val)
{
iowrite16(val, chip->bmaddr + offset);
}
static inline void iputdword(
struct intel8x0 *chip, u32 offset, u32 val)
{
iowrite32(val, chip->bmaddr + offset);
}
/*
* Lowlevel I/O - AC'97 registers
*/
static inline u16 iagetword(
struct intel8x0 *chip, u32 offset)
{
return ioread16(chip->addr + offset);
}
static inline void iaputword(
struct intel8x0 *chip, u32 offset, u16 val)
{
iowrite16(val, chip->addr + offset);
}
/*
* Basic I/O
*/
/*
* access to AC97 codec via normal i/o (for ICH and SIS7012)
*/
static int snd_intel8x0_codec_semaphore(
struct intel8x0 *chip,
unsigned int codec)
{
int time;
if (codec >
2 )
return -EIO;
if (chip->in_sdin_init) {
/* we don't know the ready bit assignment at the moment */
/* so we check any */
codec = chip->codec_isr_bits;
}
else {
codec = chip->codec_bit[chip->ac97_sdin[codec]];
}
/* codec ready ? */
if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) ==
0 )
return -EIO;
if (chip->buggy_semaphore)
return 0 ;
/* just ignore ... */
/* Anyone holding a semaphore for 1 msec should be shot... */
time =
100 ;
do {
if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
return 0 ;
udelay(
10 );
}
while (time--);
/* access to some forbidden (non existent) ac97 registers will not
* reset the semaphore. So even if you don't get the semaphore, still
* continue the access. We don't need the semaphore anyway. */
dev_err(chip->card->dev,
"codec_semaphore: semaphore is not ready [0x%x][0x%x]\n" ,
igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
iagetword(chip,
0 );
/* clear semaphore flag */
/* I don't care about the semaphore */
return -EBUSY;
}
static void snd_intel8x0_codec_write(
struct snd_ac97 *ac97,
unsigned short reg,
unsigned short val)
{
struct intel8x0 *chip = ac97->private_data;
if (snd_intel8x0_codec_semaphore(chip, ac97->num) <
0 ) {
if (! chip->in_ac97_init)
dev_err(chip->card->dev,
"codec_write %d: semaphore is not ready for register 0x%x\n" ,
ac97->num, reg);
}
iaputword(chip, reg + ac97->num *
0 x80, val);
}
static unsigned short snd_intel8x0_codec_read(
struct snd_ac97 *ac97,
unsigned short reg)
{
struct intel8x0 *chip = ac97->private_data;
unsigned short res;
unsigned int tmp;
if (snd_intel8x0_codec_semaphore(chip, ac97->num) <
0 ) {
if (! chip->in_ac97_init)
dev_err(chip->card->dev,
"codec_read %d: semaphore is not ready for register 0x%x\n" ,
ac97->num, reg);
res =
0 xffff;
}
else {
res = iagetword(chip, reg + ac97->num *
0 x80);
tmp = igetdword(chip, ICHREG(GLOB_STA));
if (tmp & ICH_RCS) {
/* reset RCS and preserve other R/WC bits */
iputdword(chip, ICHREG(GLOB_STA), tmp &
~(chip->codec_ready_bits | ICH_GSCI));
if (! chip->in_ac97_init)
dev_err(chip->card->dev,
"codec_read %d: read timeout for register 0x%x\n" ,
ac97->num, reg);
res =
0 xffff;
}
}
return res;
}
static void snd_intel8x0_codec_read_test(
struct intel8x0 *chip,
unsigned int codec)
{
unsigned int tmp;
if (snd_intel8x0_codec_semaphore(chip, codec) >=
0 ) {
iagetword(chip, codec *
0 x80);
tmp = igetdword(chip, ICHREG(GLOB_STA));
if (tmp & ICH_RCS) {
/* reset RCS and preserve other R/WC bits */
iputdword(chip, ICHREG(GLOB_STA), tmp &
~(chip->codec_ready_bits | ICH_GSCI));
}
}
}
/*
* access to AC97 for Ali5455
*/
static int snd_intel8x0_ali_codec_ready(
struct intel8x0 *chip,
int mask)
{
int count =
0 ;
for (count =
0 ; count <
0 x7f; count++) {
int val = igetbyte(chip, ICHREG(ALI_CSPSR));
if (val & mask)
return 0 ;
}
if (! chip->in_ac97_init)
dev_warn(chip->card->dev,
"AC97 codec ready timeout.\n" );
return -EBUSY;
}
static int snd_intel8x0_ali_codec_semaphore(
struct intel8x0 *chip)
{
int time =
100 ;
if (chip->buggy_semaphore)
return 0 ;
/* just ignore ... */
while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
udelay(
1 );
if (! time && ! chip->in_ac97_init)
dev_warn(chip->card->dev,
"ali_codec_semaphore timeout\n" );
return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
}
static unsigned short snd_intel8x0_ali_codec_read(
struct snd_ac97 *ac97,
unsigned short reg)
{
struct intel8x0 *chip = ac97->private_data;
unsigned short data = 0 xffff;
if (snd_intel8x0_ali_codec_semaphore(chip))
goto __err;
reg |= ALI_CPR_ADDR_READ;
if (ac97->num)
reg |= ALI_CPR_ADDR_SECONDARY;
iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
goto __err;
data = igetword(chip, ICHREG(ALI_SPR));
__err:
return data;
}
static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
unsigned short val)
{
struct intel8x0 *chip = ac97->private_data;
if (snd_intel8x0_ali_codec_semaphore(chip))
return ;
iputword(chip, ICHREG(ALI_CPR), val);
if (ac97->num)
reg |= ALI_CPR_ADDR_SECONDARY;
iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
}
/*
* DMA I/O
*/
static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev)
{
int idx;
__le32 *bdbar = ichdev->bdbar;
unsigned long port = ichdev->reg_offset;
iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
if (ichdev->size == ichdev->fragsize) {
ichdev->ack_reload = ichdev->ack = 2 ;
ichdev->fragsize1 = ichdev->fragsize >> 1 ;
for (idx = 0 ; idx < (ICH_REG_LVI_MASK + 1 ) * 2 ; idx += 4 ) {
bdbar[idx + 0 ] = cpu_to_le32(ichdev->physbuf);
bdbar[idx + 1 ] = cpu_to_le32(0 x80000000 | /* interrupt on completion */
ichdev->fragsize1 >> ichdev->pos_shift);
bdbar[idx + 2 ] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1 ));
bdbar[idx + 3 ] = cpu_to_le32(0 x80000000 | /* interrupt on completion */
ichdev->fragsize1 >> ichdev->pos_shift);
}
ichdev->frags = 2 ;
} else {
ichdev->ack_reload = ichdev->ack = 1 ;
ichdev->fragsize1 = ichdev->fragsize;
for (idx = 0 ; idx < (ICH_REG_LVI_MASK + 1 ) * 2 ; idx += 2 ) {
bdbar[idx + 0 ] = cpu_to_le32(ichdev->physbuf +
(((idx >> 1 ) * ichdev->fragsize) %
ichdev->size));
bdbar[idx + 1 ] = cpu_to_le32(0 x80000000 | /* interrupt on completion */
ichdev->fragsize >> ichdev->pos_shift);
#if 0
dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n" ,
idx + 0 , bdbar[idx + 0 ], bdbar[idx + 1 ]);
#endif
}
ichdev->frags = ichdev->size / ichdev->fragsize;
}
iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
ichdev->civ = 0 ;
iputbyte(chip, port + ICH_REG_OFF_CIV, 0 );
ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
ichdev->position = 0 ;
#if 0
dev_dbg(chip->card->dev,
"lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n" ,
ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
ichdev->fragsize1);
#endif
/* clear interrupts */
iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
}
/*
* Interrupt handler
*/
static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
{
unsigned long port = ichdev->reg_offset;
unsigned long flags;
int status, civ, i, step;
int ack = 0 ;
if (!(ichdev->prepared || chip->in_measurement) || ichdev->suspended)
return ;
spin_lock_irqsave(&chip->reg_lock, flags);
status = igetbyte(chip, port + ichdev->roff_sr);
civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
if (!(status & ICH_BCIS)) {
step = 0 ;
} else if (civ == ichdev->civ) {
step = 1 ;
ichdev->civ++;
ichdev->civ &= ICH_REG_LVI_MASK;
} else {
step = civ - ichdev->civ;
if (step < 0 )
step += ICH_REG_LVI_MASK + 1 ;
ichdev->civ = civ;
}
ichdev->position += step * ichdev->fragsize1;
if (! chip->in_measurement)
ichdev->position %= ichdev->size;
ichdev->lvi += step;
ichdev->lvi &= ICH_REG_LVI_MASK;
iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
for (i = 0 ; i < step; i++) {
ichdev->lvi_frag++;
ichdev->lvi_frag %= ichdev->frags;
ichdev->bdbar[ichdev->lvi * 2 ] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
#if 0
dev_dbg(chip->card->dev,
"new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n" ,
ichdev->lvi * 2 , ichdev->bdbar[ichdev->lvi * 2 ],
ichdev->bdbar[ichdev->lvi * 2 + 1 ], inb(ICH_REG_OFF_PIV + port),
inl(port + 4 ), inb(port + ICH_REG_OFF_CR));
#endif
if (--ichdev->ack == 0 ) {
ichdev->ack = ichdev->ack_reload;
ack = 1 ;
}
}
spin_unlock_irqrestore(&chip->reg_lock, flags);
if (ack && ichdev->substream) {
snd_pcm_period_elapsed(ichdev->substream);
}
iputbyte(chip, port + ichdev->roff_sr,
status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
}
static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
{
struct intel8x0 *chip = dev_id;
struct ichdev *ichdev;
unsigned int status;
unsigned int i;
status = igetdword(chip, chip->int_sta_reg);
if (status == 0 xffffffff) /* we are not yet resumed */
return IRQ_NONE;
if ((status & chip->int_sta_mask) == 0 ) {
if (status) {
/* ack */
iputdword(chip, chip->int_sta_reg, status);
if (! chip->buggy_irq)
status = 0 ;
}
return IRQ_RETVAL(status);
}
for (i = 0 ; i < chip->bdbars_count; i++) {
ichdev = &chip->ichd[i];
if (status & ichdev->int_sta_mask)
snd_intel8x0_update(chip, ichdev);
}
/* ack them */
iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
return IRQ_HANDLED;
}
/*
* PCM part
*/
static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct ichdev *ichdev = get_ichdev(substream);
unsigned char val = 0 ;
unsigned long port = ichdev->reg_offset;
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
ichdev->suspended = 0 ;
fallthrough;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
val = ICH_IOCE | ICH_STARTBM;
ichdev->last_pos = ichdev->position;
break ;
case SNDRV_PCM_TRIGGER_SUSPEND:
ichdev->suspended = 1 ;
fallthrough;
case SNDRV_PCM_TRIGGER_STOP:
val = 0 ;
break ;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
val = ICH_IOCE;
break ;
default :
return -EINVAL;
}
iputbyte(chip, port + ICH_REG_OFF_CR, val);
if (cmd == SNDRV_PCM_TRIGGER_STOP) {
/* wait until DMA stopped */
while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
/* reset whole DMA things */
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
}
return 0 ;
}
static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct ichdev *ichdev = get_ichdev(substream);
unsigned long port = ichdev->reg_offset;
static const int fiforeg[] = {
ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
};
unsigned int val, fifo;
val = igetdword(chip, ICHREG(ALI_DMACR));
switch (cmd) {
case SNDRV_PCM_TRIGGER_RESUME:
ichdev->suspended = 0 ;
fallthrough;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* clear FIFO for synchronization of channels */
fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4 ]);
fifo &= ~(0 xff << (ichdev->ali_slot % 4 ));
fifo |= 0 x83 << (ichdev->ali_slot % 4 );
iputdword(chip, fiforeg[ichdev->ali_slot / 4 ], fifo);
}
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
val &= ~(1 << (ichdev->ali_slot + 16 )); /* clear PAUSE flag */
/* start DMA */
iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
break ;
case SNDRV_PCM_TRIGGER_SUSPEND:
ichdev->suspended = 1 ;
fallthrough;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
/* pause */
iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16 )));
iputbyte(chip, port + ICH_REG_OFF_CR, 0 );
while (igetbyte(chip, port + ICH_REG_OFF_CR))
;
if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
break ;
/* reset whole DMA things */
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
/* clear interrupts */
iputbyte(chip, port + ICH_REG_OFF_SR,
igetbyte(chip, port + ICH_REG_OFF_SR) | 0 x1e);
iputdword(chip, ICHREG(ALI_INTERRUPTSR),
igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
break ;
default :
return -EINVAL;
}
return 0 ;
}
static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct ichdev *ichdev = get_ichdev(substream);
int dbl = params_rate(hw_params) > 48000 ;
int err;
if (ichdev->pcm_open_flag) {
snd_ac97_pcm_close(ichdev->pcm);
ichdev->pcm_open_flag = 0 ;
ichdev->prepared = 0 ;
}
err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
params_channels(hw_params),
ichdev->pcm->r[dbl].slots);
if (err >= 0 ) {
ichdev->pcm_open_flag = 1 ;
/* Force SPDIF setting */
if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0 )
snd_ac97_set_rate(ichdev->pcm->r[0 ].codec[0 ], AC97_SPDIF,
params_rate(hw_params));
}
return err;
}
static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
{
struct ichdev *ichdev = get_ichdev(substream);
if (ichdev->pcm_open_flag) {
snd_ac97_pcm_close(ichdev->pcm);
ichdev->pcm_open_flag = 0 ;
ichdev->prepared = 0 ;
}
return 0 ;
}
static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
struct snd_pcm_runtime *runtime)
{
unsigned int cnt;
int dbl = runtime->rate > 48000 ;
spin_lock_irq(&chip->reg_lock);
switch (chip->device_type) {
case DEVICE_ALI:
cnt = igetdword(chip, ICHREG(ALI_SCR));
cnt &= ~ICH_ALI_SC_PCM_246_MASK;
if (runtime->channels == 4 || dbl)
cnt |= ICH_ALI_SC_PCM_4;
else if (runtime->channels == 6 )
cnt |= ICH_ALI_SC_PCM_6;
iputdword(chip, ICHREG(ALI_SCR), cnt);
break ;
case DEVICE_SIS:
cnt = igetdword(chip, ICHREG(GLOB_CNT));
cnt &= ~ICH_SIS_PCM_246_MASK;
if (runtime->channels == 4 || dbl)
cnt |= ICH_SIS_PCM_4;
else if (runtime->channels == 6 )
cnt |= ICH_SIS_PCM_6;
iputdword(chip, ICHREG(GLOB_CNT), cnt);
break ;
default :
cnt = igetdword(chip, ICHREG(GLOB_CNT));
cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
if (runtime->channels == 4 || dbl)
cnt |= ICH_PCM_4;
else if (runtime->channels == 6 )
cnt |= ICH_PCM_6;
else if (runtime->channels == 8 )
cnt |= ICH_PCM_8;
if (chip->device_type == DEVICE_NFORCE) {
/* reset to 2ch once to keep the 6 channel data in alignment,
* to start from Front Left always
*/
if (cnt & ICH_PCM_246_MASK) {
iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
spin_unlock_irq(&chip->reg_lock);
msleep(50 ); /* grrr... */
spin_lock_irq(&chip->reg_lock);
}
} else if (chip->device_type == DEVICE_INTEL_ICH4) {
if (runtime->sample_bits > 16 )
cnt |= ICH_PCM_20BIT;
}
iputdword(chip, ICHREG(GLOB_CNT), cnt);
break ;
}
spin_unlock_irq(&chip->reg_lock);
}
static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct ichdev *ichdev = get_ichdev(substream);
ichdev->physbuf = runtime->dma_addr;
ichdev->size = snd_pcm_lib_buffer_bytes(substream);
ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
if (ichdev->ichd == ICHD_PCMOUT) {
snd_intel8x0_setup_pcm_out(chip, runtime);
if (chip->device_type == DEVICE_INTEL_ICH4)
ichdev->pos_shift = (runtime->sample_bits > 16 ) ? 2 : 1 ;
}
snd_intel8x0_setup_periods(chip, ichdev);
ichdev->prepared = 1 ;
return 0 ;
}
static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct ichdev *ichdev = get_ichdev(substream);
size_t ptr1, ptr;
int civ, timeout = 10 ;
unsigned int position;
spin_lock(&chip->reg_lock);
do {
civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
position = ichdev->position;
if (ptr1 == 0 ) {
udelay(10 );
continue ;
}
if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
continue ;
/* IO read operation is very expensive inside virtual machine
* as it is emulated. The probability that subsequent PICB read
* will return different result is high enough to loop till
* timeout here.
* Same CIV is strict enough condition to be sure that PICB
* is valid inside VM on emulated card. */
if (chip->inside_vm)
break ;
if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
break ;
} while (timeout--);
ptr = ichdev->last_pos;
if (ptr1 != 0 ) {
ptr1 <<= ichdev->pos_shift;
ptr = ichdev->fragsize1 - ptr1;
ptr += position;
if (ptr < ichdev->last_pos) {
unsigned int pos_base, last_base;
pos_base = position / ichdev->fragsize1;
last_base = ichdev->last_pos / ichdev->fragsize1;
/* another sanity check; ptr1 can go back to full
* before the base position is updated
*/
if (pos_base == last_base)
ptr = ichdev->last_pos;
}
}
ichdev->last_pos = ptr;
spin_unlock(&chip->reg_lock);
if (ptr >= ichdev->size)
return 0 ;
return bytes_to_frames(substream->runtime, ptr);
}
static const struct snd_pcm_hardware snd_intel8x0_stream =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000,
.rate_min = 48000 ,
.rate_max = 48000 ,
.channels_min = 2 ,
.channels_max = 2 ,
.buffer_bytes_max = 128 * 1024 ,
.period_bytes_min = 32 ,
.period_bytes_max = 128 * 1024 ,
.periods_min = 1 ,
.periods_max = 1024 ,
.fifo_size = 0 ,
};
static const unsigned int channels4[] = {
2 , 4 ,
};
static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
.count = ARRAY_SIZE(channels4),
.list = channels4,
.mask = 0 ,
};
static const unsigned int channels6[] = {
2 , 4 , 6 ,
};
static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
.count = ARRAY_SIZE(channels6),
.list = channels6,
.mask = 0 ,
};
static const unsigned int channels8[] = {
2 , 4 , 6 , 8 ,
};
static const struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
.count = ARRAY_SIZE(channels8),
.list = channels8,
.mask = 0 ,
};
static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
ichdev->substream = substream;
runtime->hw = snd_intel8x0_stream;
runtime->hw.rates = ichdev->pcm->rates;
snd_pcm_limit_hw_rates(runtime);
if (chip->device_type == DEVICE_SIS) {
runtime->hw.buffer_bytes_max = 64 *1024 ;
runtime->hw.period_bytes_max = 64 *1024 ;
}
err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0 )
return err;
runtime->private_data = ichdev;
return 0 ;
}
static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
if (err < 0 )
return err;
if (chip->multi8) {
runtime->hw.channels_max = 8 ;
snd_pcm_hw_constraint_list(runtime, 0 ,
SNDRV_PCM_HW_PARAM_CHANNELS,
&hw_constraints_channels8);
} else if (chip->multi6) {
runtime->hw.channels_max = 6 ;
snd_pcm_hw_constraint_list(runtime, 0 , SNDRV_PCM_HW_PARAM_CHANNELS,
&hw_constraints_channels6);
} else if (chip->multi4) {
runtime->hw.channels_max = 4 ;
snd_pcm_hw_constraint_list(runtime, 0 , SNDRV_PCM_HW_PARAM_CHANNELS,
&hw_constraints_channels4);
}
if (chip->dra) {
snd_ac97_pcm_double_rate_rules(runtime);
}
if (chip->smp20bit) {
runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
snd_pcm_hw_constraint_msbits(runtime, 0 , 32 , 20 );
}
return 0 ;
}
static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_PCMOUT].substream = NULL;
return 0 ;
}
static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
}
static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_PCMIN].substream = NULL;
return 0 ;
}
static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
}
static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_MIC].substream = NULL;
return 0 ;
}
static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
}
static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_MIC2].substream = NULL;
return 0 ;
}
static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
}
static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_PCM2IN].substream = NULL;
return 0 ;
}
static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
}
static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
chip->ichd[idx].substream = NULL;
return 0 ;
}
static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
unsigned int val;
spin_lock_irq(&chip->reg_lock);
val = igetdword(chip, ICHREG(ALI_INTERFACECR));
val |= ICH_ALI_IF_AC97SP;
iputdword(chip, ICHREG(ALI_INTERFACECR), val);
/* also needs to set ALI_SC_CODEC_SPDF correctly */
spin_unlock_irq(&chip->reg_lock);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
}
static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
unsigned int val;
chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
spin_lock_irq(&chip->reg_lock);
val = igetdword(chip, ICHREG(ALI_INTERFACECR));
val &= ~ICH_ALI_IF_AC97SP;
iputdword(chip, ICHREG(ALI_INTERFACECR), val);
spin_unlock_irq(&chip->reg_lock);
return 0 ;
}
#if 0 // NYI
static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
}
static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ALID_SPDIFIN].substream = NULL;
return 0 ;
}
static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
}
static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
{
struct intel8x0 *chip = snd_pcm_substream_chip(substream);
chip->ichd[ALID_SPDIFOUT].substream = NULL;
return 0 ;
}
#endif
static const struct snd_pcm_ops snd_intel8x0_playback_ops = {
.open = snd_intel8x0_playback_open,
.close = snd_intel8x0_playback_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_capture_ops = {
.open = snd_intel8x0_capture_open,
.close = snd_intel8x0_capture_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
.open = snd_intel8x0_mic_open,
.close = snd_intel8x0_mic_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
.open = snd_intel8x0_mic2_open,
.close = snd_intel8x0_mic2_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_capture2_ops = {
.open = snd_intel8x0_capture2_open,
.close = snd_intel8x0_capture2_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_spdif_ops = {
.open = snd_intel8x0_spdif_open,
.close = snd_intel8x0_spdif_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
.open = snd_intel8x0_playback_open,
.close = snd_intel8x0_playback_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_ali_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
.open = snd_intel8x0_capture_open,
.close = snd_intel8x0_capture_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_ali_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
.open = snd_intel8x0_mic_open,
.close = snd_intel8x0_mic_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_ali_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
.open = snd_intel8x0_ali_ac97spdifout_open,
.close = snd_intel8x0_ali_ac97spdifout_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_ali_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
#if 0 // NYI
static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
.open = snd_intel8x0_ali_spdifin_open,
.close = snd_intel8x0_ali_spdifin_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
.open = snd_intel8x0_ali_spdifout_open,
.close = snd_intel8x0_ali_spdifout_close,
.hw_params = snd_intel8x0_hw_params,
.hw_free = snd_intel8x0_hw_free,
.prepare = snd_intel8x0_pcm_prepare,
.trigger = snd_intel8x0_pcm_trigger,
.pointer = snd_intel8x0_pcm_pointer,
};
#endif // NYI
struct ich_pcm_table {
char *suffix;
const struct snd_pcm_ops *playback_ops;
const struct snd_pcm_ops *capture_ops;
size_t prealloc_size;
size_t prealloc_max_size;
int ac97_idx;
};
#define intel8x0_dma_type(chip) \
((chip)->fix_nocache ? SNDRV_DMA_TYPE_DEV_WC : SNDRV_DMA_TYPE_DEV)
static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
const struct ich_pcm_table *rec)
{
struct snd_pcm *pcm;
int err;
char name[32 ];
if (rec->suffix)
sprintf(name, "Intel ICH - %s" , rec->suffix);
else
strscpy(name, "Intel ICH" );
err = snd_pcm_new(chip->card, name, device,
rec->playback_ops ? 1 : 0 ,
rec->capture_ops ? 1 : 0 , &pcm);
if (err < 0 )
return err;
if (rec->playback_ops)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
if (rec->capture_ops)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
pcm->private_data = chip;
pcm->info_flags = 0 ;
if (rec->suffix)
sprintf(pcm->name, "%s - %s" , chip->card->shortname, rec->suffix);
else
strscpy(pcm->name, chip->card->shortname);
chip->pcm[device] = pcm;
snd_pcm_set_managed_buffer_all(pcm, intel8x0_dma_type(chip),
&chip->pci->dev,
rec->prealloc_size, rec->prealloc_max_size);
if (rec->playback_ops &&
rec->playback_ops->open == snd_intel8x0_playback_open) {
struct snd_pcm_chmap *chmap;
int chs = 2 ;
if (chip->multi8)
chs = 8 ;
else if (chip->multi6)
chs = 6 ;
else if (chip->multi4)
chs = 4 ;
err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
snd_pcm_alt_chmaps, chs, 0 ,
&chmap);
if (err < 0 )
return err;
chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
chip->ac97[0 ]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
}
return 0 ;
}
static const struct ich_pcm_table intel_pcms[] = {
{
.playback_ops = &snd_intel8x0_playback_ops,
.capture_ops = &snd_intel8x0_capture_ops,
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
},
{
.suffix = "MIC ADC" ,
.capture_ops = &snd_intel8x0_capture_mic_ops,
.prealloc_size = 0 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = ICHD_MIC,
},
{
.suffix = "MIC2 ADC" ,
.capture_ops = &snd_intel8x0_capture_mic2_ops,
.prealloc_size = 0 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = ICHD_MIC2,
},
{
.suffix = "ADC2" ,
.capture_ops = &snd_intel8x0_capture2_ops,
.prealloc_size = 0 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = ICHD_PCM2IN,
},
{
.suffix = "IEC958" ,
.playback_ops = &snd_intel8x0_spdif_ops,
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = ICHD_SPBAR,
},
};
static const struct ich_pcm_table nforce_pcms[] = {
{
.playback_ops = &snd_intel8x0_playback_ops,
.capture_ops = &snd_intel8x0_capture_ops,
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
},
{
.suffix = "MIC ADC" ,
.capture_ops = &snd_intel8x0_capture_mic_ops,
.prealloc_size = 0 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = NVD_MIC,
},
{
.suffix = "IEC958" ,
.playback_ops = &snd_intel8x0_spdif_ops,
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = NVD_SPBAR,
},
};
static const struct ich_pcm_table ali_pcms[] = {
{
.playback_ops = &snd_intel8x0_ali_playback_ops,
.capture_ops = &snd_intel8x0_ali_capture_ops,
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
},
{
.suffix = "MIC ADC" ,
.capture_ops = &snd_intel8x0_ali_capture_mic_ops,
.prealloc_size = 0 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = ALID_MIC,
},
{
.suffix = "IEC958" ,
.playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
/* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
.ac97_idx = ALID_AC97SPDIFOUT,
},
#if 0 // NYI
{
.suffix = "HW IEC958" ,
.playback_ops = &snd_intel8x0_ali_spdifout_ops,
.prealloc_size = 64 * 1024 ,
.prealloc_max_size = 128 * 1024 ,
},
#endif
};
static int snd_intel8x0_pcm(struct intel8x0 *chip)
{
int i, tblsize, device, err;
const struct ich_pcm_table *tbl, *rec;
switch (chip->device_type) {
case DEVICE_INTEL_ICH4:
tbl = intel_pcms;
tblsize = ARRAY_SIZE(intel_pcms);
if (spdif_aclink)
tblsize--;
break ;
case DEVICE_NFORCE:
tbl = nforce_pcms;
tblsize = ARRAY_SIZE(nforce_pcms);
if (spdif_aclink)
tblsize--;
break ;
case DEVICE_ALI:
tbl = ali_pcms;
tblsize = ARRAY_SIZE(ali_pcms);
break ;
default :
tbl = intel_pcms;
tblsize = 2 ;
break ;
}
device = 0 ;
for (i = 0 ; i < tblsize; i++) {
rec = tbl + i;
if (i > 0 && rec->ac97_idx) {
/* activate PCM only when associated AC'97 codec */
if (! chip->ichd[rec->ac97_idx].pcm)
continue ;
}
err = snd_intel8x0_pcm1(chip, device, rec);
if (err < 0 )
return err;
device++;
}
chip->pcm_devs = device;
return 0 ;
}
/*
* Mixer part
*/
static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
{
struct intel8x0 *chip = bus->private_data;
chip->ac97_bus = NULL;
}
static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
{
struct intel8x0 *chip = ac97->private_data;
chip->ac97[ac97->num] = NULL;
}
static const struct ac97_pcm ac97_pcm_defs[] = {
/* front PCM */
{
.exclusive = 1 ,
.r = { {
.slots = (1 << AC97_SLOT_PCM_LEFT) |
(1 << AC97_SLOT_PCM_RIGHT) |
(1 << AC97_SLOT_PCM_CENTER) |
(1 << AC97_SLOT_PCM_SLEFT) |
(1 << AC97_SLOT_PCM_SRIGHT) |
(1 << AC97_SLOT_LFE)
},
{
.slots = (1 << AC97_SLOT_PCM_LEFT) |
(1 << AC97_SLOT_PCM_RIGHT) |
(1 << AC97_SLOT_PCM_LEFT_0) |
(1 << AC97_SLOT_PCM_RIGHT_0)
}
}
},
/* PCM IN #1 */
{
.stream = 1 ,
.exclusive = 1 ,
.r = { {
.slots = (1 << AC97_SLOT_PCM_LEFT) |
(1 << AC97_SLOT_PCM_RIGHT)
}
}
},
/* MIC IN #1 */
{
.stream = 1 ,
.exclusive = 1 ,
.r = { {
.slots = (1 << AC97_SLOT_MIC)
}
}
},
/* S/PDIF PCM */
{
.exclusive = 1 ,
.spdif = 1 ,
.r = { {
.slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
(1 << AC97_SLOT_SPDIF_RIGHT2)
}
}
},
/* PCM IN #2 */
{
.stream = 1 ,
.exclusive = 1 ,
.r = { {
.slots = (1 << AC97_SLOT_PCM_LEFT) |
(1 << AC97_SLOT_PCM_RIGHT)
}
}
},
/* MIC IN #2 */
{
.stream = 1 ,
.exclusive = 1 ,
.r = { {
.slots = (1 << AC97_SLOT_MIC)
}
}
},
};
static const struct ac97_quirk ac97_quirks[] = {
{
.subvendor = 0 x0e11,
.subdevice = 0 x000e,
.name = "Compaq Deskpro EN" , /* AD1885 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x0e11,
.subdevice = 0 x008a,
.name = "Compaq Evo W4000" , /* AD1885 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x0e11,
.subdevice = 0 x00b8,
.name = "Compaq Evo D510C" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x0e11,
.subdevice = 0 x0860,
.name = "HP/Compaq nx7010" ,
.type = AC97_TUNE_MUTE_LED
},
{
.subvendor = 0 x1014,
.subdevice = 0 x0534,
.name = "ThinkPad X31" ,
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x1014,
.subdevice = 0 x1f00,
.name = "MS-9128" ,
.type = AC97_TUNE_ALC_JACK
},
{
.subvendor = 0 x1014,
.subdevice = 0 x0267,
.name = "IBM NetVista A30p" , /* AD1981B */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1025,
.subdevice = 0 x0082,
.name = "Acer Travelmate 2310" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1025,
.subdevice = 0 x0083,
.name = "Acer Aspire 3003LCi" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x00d8,
.name = "Dell Precision 530" , /* AD1885 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x010d,
.name = "Dell" , /* which model? AD1885 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0126,
.name = "Dell Optiplex GX260" , /* AD1981A */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x012c,
.name = "Dell Precision 650" , /* AD1981A */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x012d,
.name = "Dell Precision 450" , /* AD1981B*/
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0147,
.name = "Dell" , /* which model? AD1981B*/
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0151,
.name = "Dell Optiplex GX270" , /* AD1981B */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x014e,
.name = "Dell D800" , /* STAC9750/51 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0163,
.name = "Dell Unknown" , /* STAC9750/51 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x016a,
.name = "Dell Inspiron 8600" , /* STAC9750/51 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0182,
.name = "Dell Latitude D610" , /* STAC9750/51 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0186,
.name = "Dell Latitude D810" , /* cf. Malone #41015 */
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0188,
.name = "Dell Inspiron 6000" ,
.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0189,
.name = "Dell Inspiron 9300" ,
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x1028,
.subdevice = 0 x0191,
.name = "Dell Inspiron 8600" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x103c,
.subdevice = 0 x006d,
.name = "HP zv5000" ,
.type = AC97_TUNE_MUTE_LED /*AD1981B*/
},
{ /* FIXME: which codec? */
.subvendor = 0 x103c,
.subdevice = 0 x00c3,
.name = "HP xw6000" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x103c,
.subdevice = 0 x088c,
.name = "HP nc8000" ,
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x103c,
.subdevice = 0 x0890,
.name = "HP nc6000" ,
.type = AC97_TUNE_MUTE_LED
},
{
.subvendor = 0 x103c,
.subdevice = 0 x129d,
.name = "HP xw8000" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x103c,
.subdevice = 0 x0938,
.name = "HP nc4200" ,
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x103c,
.subdevice = 0 x099c,
.name = "HP nx6110/nc6120" ,
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x103c,
.subdevice = 0 x0944,
.name = "HP nc6220" ,
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x103c,
.subdevice = 0 x0934,
.name = "HP nc8220" ,
.type = AC97_TUNE_HP_MUTE_LED
},
{
.subvendor = 0 x103c,
.subdevice = 0 x12f1,
.name = "HP xw8200" , /* AD1981B*/
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x103c,
.subdevice = 0 x12f2,
.name = "HP xw6200" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x103c,
.subdevice = 0 x3008,
.name = "HP xw4200" , /* AD1981B*/
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x104d,
.subdevice = 0 x8144,
.name = "Sony" ,
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x104d,
.subdevice = 0 x8197,
.name = "Sony S1XP" ,
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x104d,
.subdevice = 0 x81c0,
.name = "Sony VAIO VGN-T350P" , /*AD1981B*/
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x104d,
.subdevice = 0 x81c5,
.name = "Sony VAIO VGN-B1VP" , /*AD1981B*/
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x1043,
.subdevice = 0 x80f3,
.name = "ASUS ICH5/AD1985" ,
.type = AC97_TUNE_AD_SHARING
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x11c3,
.name = "Fujitsu-Siemens E4010" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x1225,
.name = "Fujitsu-Siemens T3010" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x1253,
.name = "Fujitsu S6210" , /* STAC9750/51 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x127d,
.name = "Fujitsu Lifebook P7010" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x127e,
.name = "Fujitsu Lifebook C1211D" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x12ec,
.name = "Fujitsu-Siemens 4010" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10cf,
.subdevice = 0 x12f2,
.name = "Fujitsu-Siemens Celsius H320" ,
.type = AC97_TUNE_SWAP_HP
},
{
.subvendor = 0 x10f1,
.subdevice = 0 x2665,
.name = "Fujitsu-Siemens Celsius" , /* AD1981? */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10f1,
.subdevice = 0 x2885,
.name = "AMD64 Mobo" , /* ALC650 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10f1,
.subdevice = 0 x2895,
.name = "Tyan Thunder K8WE" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x10f7,
.subdevice = 0 x834c,
.name = "Panasonic CF-R4" ,
.type = AC97_TUNE_HP_ONLY,
},
{
.subvendor = 0 x110a,
.subdevice = 0 x0056,
.name = "Fujitsu-Siemens Scenic" , /* AD1981? */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x11d4,
.subdevice = 0 x5375,
.name = "ADI AD1985 (discrete)" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x1462,
.subdevice = 0 x5470,
.name = "MSI P4 ATX 645 Ultra" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x161f,
.subdevice = 0 x202f,
.name = "Gateway M520" ,
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x161f,
.subdevice = 0 x203a,
.name = "Gateway 4525GZ" , /* AD1981B */
.type = AC97_TUNE_INV_EAPD
},
{
.subvendor = 0 x1734,
.subdevice = 0 x0088,
.name = "Fujitsu-Siemens D1522" , /* AD1981 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x8086,
.subdevice = 0 x2000,
.mask = 0 xfff0,
.name = "Intel ICH5/AD1985" ,
.type = AC97_TUNE_AD_SHARING
},
{
.subvendor = 0 x8086,
.subdevice = 0 x4000,
.mask = 0 xfff0,
.name = "Intel ICH5/AD1985" ,
.type = AC97_TUNE_AD_SHARING
},
{
.subvendor = 0 x8086,
.subdevice = 0 x4856,
.name = "Intel D845WN (82801BA)" ,
.type = AC97_TUNE_SWAP_HP
},
{
.subvendor = 0 x8086,
.subdevice = 0 x4d44,
.name = "Intel D850EMV2" , /* AD1885 */
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x8086,
.subdevice = 0 x4d56,
.name = "Intel ICH/AD1885" ,
.type = AC97_TUNE_HP_ONLY
},
{
.subvendor = 0 x8086,
.subdevice = 0 x6000,
.mask = 0 xfff0,
.name = "Intel ICH5/AD1985" ,
.type = AC97_TUNE_AD_SHARING
},
{
.subvendor = 0 x8086,
.subdevice = 0 xe000,
.mask = 0 xfff0,
.name = "Intel ICH5/AD1985" ,
.type = AC97_TUNE_AD_SHARING
},
#if 0 /* FIXME: this seems wrong on most boards */
{
.subvendor = 0 x8086,
.subdevice = 0 xa000,
.mask = 0 xfff0,
.name = "Intel ICH5/AD1985" ,
.type = AC97_TUNE_HP_ONLY
},
#endif
{ } /* terminator */
};
static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
const char *quirk_override)
{
struct snd_ac97_bus *pbus;
struct snd_ac97_template ac97;
int err;
unsigned int i, codecs;
unsigned int glob_sta = 0 ;
const struct snd_ac97_bus_ops *ops;
static const struct snd_ac97_bus_ops standard_bus_ops = {
.write = snd_intel8x0_codec_write,
.read = snd_intel8x0_codec_read,
};
static const struct snd_ac97_bus_ops ali_bus_ops = {
.write = snd_intel8x0_ali_codec_write,
.read = snd_intel8x0_ali_codec_read,
};
chip->spdif_idx = -1 ; /* use PCMOUT (or disabled) */
if (!spdif_aclink) {
switch (chip->device_type) {
case DEVICE_NFORCE:
chip->spdif_idx = NVD_SPBAR;
break ;
case DEVICE_ALI:
chip->spdif_idx = ALID_AC97SPDIFOUT;
break ;
case DEVICE_INTEL_ICH4:
chip->spdif_idx = ICHD_SPBAR;
break ;
}
}
chip->in_ac97_init = 1 ;
memset(&ac97, 0 , sizeof (ac97));
ac97.private_data = chip;
ac97.private_free = snd_intel8x0_mixer_free_ac97;
ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
if (chip->xbox)
ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
if (chip->device_type != DEVICE_ALI) {
glob_sta = igetdword(chip, ICHREG(GLOB_STA));
ops = &standard_bus_ops;
chip->in_sdin_init = 1 ;
codecs = 0 ;
for (i = 0 ; i < chip->max_codecs; i++) {
if (! (glob_sta & chip->codec_bit[i]))
continue ;
if (chip->device_type == DEVICE_INTEL_ICH4) {
snd_intel8x0_codec_read_test(chip, codecs);
chip->ac97_sdin[codecs] =
igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3 ))
chip->ac97_sdin[codecs] = 0 ;
} else
chip->ac97_sdin[codecs] = i;
codecs++;
}
chip->in_sdin_init = 0 ;
if (! codecs)
codecs = 1 ;
} else {
ops = &ali_bus_ops;
codecs = 1 ;
/* detect the secondary codec */
for (i = 0 ; i < 100 ; i++) {
unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
if (reg & 0 x40) {
codecs = 2 ;
break ;
}
iputdword(chip, ICHREG(ALI_RTSR), reg | 0 x40);
udelay(1 );
}
}
err = snd_ac97_bus(chip->card, 0 , ops, chip, &pbus);
if (err < 0 )
goto __err;
pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
if (ac97_clock >= 8000 && ac97_clock <= 48000 )
pbus->clock = ac97_clock;
/* FIXME: my test board doesn't work well with VRA... */
if (chip->device_type == DEVICE_ALI)
pbus->no_vra = 1 ;
else
pbus->dra = 1 ;
chip->ac97_bus = pbus;
chip->ncodecs = codecs;
ac97.pci = chip->pci;
for (i = 0 ; i < codecs; i++) {
ac97.num = i;
err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i]);
if (err < 0 ) {
if (err != -EACCES)
dev_err(chip->card->dev,
"Unable to initialize codec #%d\n" , i);
if (i == 0 )
goto __err;
}
}
/* tune up the primary codec */
snd_ac97_tune_hardware(chip->ac97[0 ], ac97_quirks, quirk_override);
/* enable separate SDINs for ICH4 */
if (chip->device_type == DEVICE_INTEL_ICH4)
pbus->isdin = 1 ;
/* find the available PCM streams */
i = ARRAY_SIZE(ac97_pcm_defs);
if (chip->device_type != DEVICE_INTEL_ICH4)
i -= 2 ; /* do not allocate PCM2IN and MIC2 */
if (chip->spdif_idx < 0 )
i--; /* do not allocate S/PDIF */
err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
if (err < 0 )
goto __err;
chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0 ];
chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1 ];
chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2 ];
if (chip->spdif_idx >= 0 )
chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3 ];
if (chip->device_type == DEVICE_INTEL_ICH4) {
chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4 ];
chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5 ];
}
/* enable separate SDINs for ICH4 */
if (chip->device_type == DEVICE_INTEL_ICH4) {
struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
u8 tmp = igetbyte(chip, ICHREG(SDM));
tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
if (pcm) {
tmp |= ICH_SE; /* steer enable for multiple SDINs */
tmp |= chip->ac97_sdin[0 ] << ICH_DI1L_SHIFT;
for (i = 1 ; i < 4 ; i++) {
if (pcm->r[0 ].codec[i]) {
tmp |= chip->ac97_sdin[pcm->r[0 ].codec[i]->num] << ICH_DI2L_SHIFT;
break ;
}
}
} else {
tmp &= ~ICH_SE; /* steer disable */
}
iputbyte(chip, ICHREG(SDM), tmp);
}
if (pbus->pcms[0 ].r[0 ].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
chip->multi4 = 1 ;
if (pbus->pcms[0 ].r[0 ].slots & (1 << AC97_SLOT_LFE)) {
chip->multi6 = 1 ;
if (chip->ac97[0 ]->flags & AC97_HAS_8CH)
chip->multi8 = 1 ;
}
}
if (pbus->pcms[0 ].r[1 ].rslots[0 ]) {
chip->dra = 1 ;
}
if (chip->device_type == DEVICE_INTEL_ICH4) {
if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
chip->smp20bit = 1 ;
}
if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
/* 48kHz only */
chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
}
if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
/* use slot 10/11 for SPDIF */
u32 val;
val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
val |= ICH_PCM_SPDIF_1011;
iputdword(chip, ICHREG(GLOB_CNT), val);
snd_ac97_update_bits(chip->ac97[0 ], AC97_EXTENDED_STATUS, 0 x03 << 4 , 0 x03 << 4 );
}
chip->in_ac97_init = 0 ;
return 0 ;
__err:
/* clear the cold-reset bit for the next chance */
if (chip->device_type != DEVICE_ALI)
iputdword(chip, ICHREG(GLOB_CNT),
igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
return err;
}
/*
*
*/
static void do_ali_reset(struct intel8x0 *chip)
{
iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
iputdword(chip, ICHREG(ALI_FIFOCR1), 0 x83838383);
iputdword(chip, ICHREG(ALI_FIFOCR2), 0 x83838383);
iputdword(chip, ICHREG(ALI_FIFOCR3), 0 x83838383);
iputdword(chip, ICHREG(ALI_INTERFACECR),
ICH_ALI_IF_PI|ICH_ALI_IF_PO);
iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0 x00000000);
iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0 x00000000);
}
#ifdef CONFIG_SND_AC97_POWER_SAVE
static const struct snd_pci_quirk ich_chip_reset_mode[] = {
SND_PCI_QUIRK(0 x1014, 0 x051f, "Thinkpad R32" , 1 ),
{ } /* end */
};
static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
{
unsigned int cnt;
/* ACLink on, 2 channels */
if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
return -EIO;
cnt = igetdword(chip, ICHREG(GLOB_CNT));
cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
/* do cold reset - the full ac97 powerdown may leave the controller
* in a warm state but actually it cannot communicate with the codec.
*/
iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
cnt = igetdword(chip, ICHREG(GLOB_CNT));
udelay(10 );
iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
msleep(1 );
return 0 ;
}
#define snd_intel8x0_ich_chip_can_cold_reset(chip) \
(!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
#else
#define snd_intel8x0_ich_chip_cold_reset(chip) 0
#define snd_intel8x0_ich_chip_can_cold_reset(chip) (0 )
#endif
static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
{
unsigned long end_time;
unsigned int cnt;
/* ACLink on, 2 channels */
cnt = igetdword(chip, ICHREG(GLOB_CNT));
cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
/* finish cold or do warm reset */
cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
iputdword(chip, ICHREG(GLOB_CNT), cnt);
end_time = (jiffies + (HZ / 4 )) + 1 ;
do {
if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0 )
return 0 ;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n" ,
igetdword(chip, ICHREG(GLOB_CNT)));
return -EIO;
}
static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
{
unsigned long end_time;
unsigned int status, nstatus;
unsigned int cnt;
int err;
/* put logic to right state */
/* first clear status bits */
status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
if (chip->device_type == DEVICE_NFORCE)
status |= ICH_NVSPINT;
cnt = igetdword(chip, ICHREG(GLOB_STA));
iputdword(chip, ICHREG(GLOB_STA), cnt & status);
if (snd_intel8x0_ich_chip_can_cold_reset(chip))
err = snd_intel8x0_ich_chip_cold_reset(chip);
else
err = snd_intel8x0_ich_chip_reset(chip);
if (err < 0 )
return err;
if (probing) {
/* wait for any codec ready status.
* Once it becomes ready it should remain ready
* as long as we do not disable the ac97 link.
*/
end_time = jiffies + HZ;
do {
status = igetdword(chip, ICHREG(GLOB_STA)) &
chip->codec_isr_bits;
if (status)
break ;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
if (! status) {
/* no codec is found */
dev_err(chip->card->dev,
"codec_ready: codec is not ready [0x%x]\n" ,
igetdword(chip, ICHREG(GLOB_STA)));
return -EIO;
}
/* wait for other codecs ready status. */
end_time = jiffies + HZ / 4 ;
while (status != chip->codec_isr_bits &&
time_after_eq(end_time, jiffies)) {
schedule_timeout_uninterruptible(1 );
status |= igetdword(chip, ICHREG(GLOB_STA)) &
chip->codec_isr_bits;
}
} else {
/* resume phase */
int i;
status = 0 ;
for (i = 0 ; i < chip->ncodecs; i++)
if (chip->ac97[i])
status |= chip->codec_bit[chip->ac97_sdin[i]];
/* wait until all the probed codecs are ready */
end_time = jiffies + HZ;
do {
nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
chip->codec_isr_bits;
if (status == nstatus)
break ;
schedule_timeout_uninterruptible(1 );
} while (time_after_eq(end_time, jiffies));
}
if (chip->device_type == DEVICE_SIS) {
/* unmute the output on SIS7012 */
iputword(chip, 0 x4c, igetword(chip, 0 x4c) | 1 );
}
if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
/* enable SPDIF interrupt */
unsigned int val;
pci_read_config_dword(chip->pci, 0 x4c, &val);
val |= 0 x1000000;
pci_write_config_dword(chip->pci, 0 x4c, val);
}
return 0 ;
}
static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
{
u32 reg;
int i = 0 ;
reg = igetdword(chip, ICHREG(ALI_SCR));
if ((reg & 2 ) == 0 ) /* Cold required */
reg |= 2 ;
else
reg |= 1 ; /* Warm */
reg &= ~0 x80000000; /* ACLink on */
iputdword(chip, ICHREG(ALI_SCR), reg);
for (i = 0 ; i < HZ / 2 ; i++) {
if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
goto __ok;
schedule_timeout_uninterruptible(1 );
}
dev_err(chip->card->dev, "AC'97 reset failed.\n" );
if (probing)
return -EIO;
__ok:
for (i = 0 ; i < HZ / 2 ; i++) {
reg = igetdword(chip, ICHREG(ALI_RTSR));
if (reg & 0 x80) /* primary codec */
break ;
iputdword(chip, ICHREG(ALI_RTSR), reg | 0 x80);
schedule_timeout_uninterruptible(1 );
}
do_ali_reset(chip);
return 0 ;
}
static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
{
unsigned int i, timeout;
int err;
if (chip->device_type != DEVICE_ALI) {
err = snd_intel8x0_ich_chip_init(chip, probing);
if (err < 0 )
return err;
iagetword(chip, 0 ); /* clear semaphore flag */
} else {
err = snd_intel8x0_ali_chip_init(chip, probing);
if (err < 0 )
return err;
}
/* disable interrupts */
for (i = 0 ; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0 x00);
/* reset channels */
for (i = 0 ; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
for (i = 0 ; i < chip->bdbars_count; i++) {
timeout = 100000 ;
while (--timeout != 0 ) {
if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0 )
break ;
}
if (timeout == 0 )
dev_err(chip->card->dev, "reset of registers failed?\n" );
}
/* initialize Buffer Descriptor Lists */
for (i = 0 ; i < chip->bdbars_count; i++)
iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
chip->ichd[i].bdbar_addr);
return 0 ;
}
static void snd_intel8x0_free(struct snd_card *card)
{
struct intel8x0 *chip = card->private_data;
unsigned int i;
if (chip->irq < 0 )
goto __hw_end;
/* disable interrupts */
for (i = 0 ; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0 x00);
/* reset channels */
for (i = 0 ; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
/* stop the spdif interrupt */
unsigned int val;
pci_read_config_dword(chip->pci, 0 x4c, &val);
val &= ~0 x1000000;
pci_write_config_dword(chip->pci, 0 x4c, val);
}
/* --- */
__hw_end:
if (chip->irq >= 0 )
free_irq(chip->irq, chip);
}
/*
* power management
*/
static int intel8x0_suspend(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
struct intel8x0 *chip = card->private_data;
int i;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
for (i = 0 ; i < chip->ncodecs; i++)
snd_ac97_suspend(chip->ac97[i]);
if (chip->device_type == DEVICE_INTEL_ICH4)
chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
if (chip->irq >= 0 ) {
free_irq(chip->irq, chip);
chip->irq = -1 ;
card->sync_irq = -1 ;
}
return 0 ;
}
static int intel8x0_resume(struct device *dev)
{
struct pci_dev *pci = to_pci_dev(dev);
struct snd_card *card = dev_get_drvdata(dev);
struct intel8x0 *chip = card->private_data;
int i;
snd_intel8x0_chip_init(chip, 0 );
if (request_irq(pci->irq, snd_intel8x0_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {
dev_err(dev, "unable to grab IRQ %d, disabling device\n" ,
pci->irq);
snd_card_disconnect(card);
return -EIO;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
/* re-initialize mixer stuff */
if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
/* enable separate SDINs for ICH4 */
iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
/* use slot 10/11 for SPDIF */
iputdword(chip, ICHREG(GLOB_CNT),
(igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
ICH_PCM_SPDIF_1011);
}
for (i = 0 ; i < chip->ncodecs; i++)
snd_ac97_resume(chip->ac97[i]);
/* resume status */
for (i = 0 ; i < chip->bdbars_count; i++) {
struct ichdev *ichdev = &chip->ichd[i];
unsigned long port = ichdev->reg_offset;
if (! ichdev->substream || ! ichdev->suspended)
continue ;
if (ichdev->ichd == ICHD_PCMOUT)
snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
}
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0 ;
}
static DEFINE_SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */
static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
{
struct snd_pcm_substream *subs;
struct ichdev *ichdev;
unsigned long port;
unsigned long pos, pos1, t;
int civ, timeout = 1000 , attempt = 1 ;
ktime_t start_time, stop_time;
if (chip->ac97_bus->clock != 48000 )
return ; /* specified in module option */
if (chip->inside_vm && !ac97_clock)
return ; /* no measurement on VM */
__again:
subs = chip->pcm[0 ]->streams[0 ].substream;
if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
dev_warn(chip->card->dev,
"no playback buffer allocated - aborting measure ac97 clock\n" );
return ;
}
ichdev = &chip->ichd[ICHD_PCMOUT];
ichdev->physbuf = subs->dma_buffer.addr;
ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
ichdev->substream = NULL; /* don't process interrupts */
/* set rate */
if (snd_ac97_set_rate(chip->ac97[0 ], AC97_PCM_FRONT_DAC_RATE, 48000 ) < 0 ) {
dev_err(chip->card->dev, "cannot set ac97 rate: clock = %d\n" ,
chip->ac97_bus->clock);
return ;
}
snd_intel8x0_setup_periods(chip, ichdev);
port = ichdev->reg_offset;
spin_lock_irq(&chip->reg_lock);
chip->in_measurement = 1 ;
/* trigger */
if (chip->device_type != DEVICE_ALI)
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
else {
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
}
start_time = ktime_get();
spin_unlock_irq(&chip->reg_lock);
msleep(50 );
spin_lock_irq(&chip->reg_lock);
/* check the position */
do {
civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
if (pos1 == 0 ) {
udelay(10 );
continue ;
}
if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
break ;
} while (timeout--);
if (pos1 == 0 ) { /* oops, this value is not reliable */
pos = 0 ;
} else {
pos = ichdev->fragsize1;
pos -= pos1 << ichdev->pos_shift;
pos += ichdev->position;
}
chip->in_measurement = 0 ;
stop_time = ktime_get();
/* stop */
if (chip->device_type == DEVICE_ALI) {
iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16 ));
iputbyte(chip, port + ICH_REG_OFF_CR, 0 );
while (igetbyte(chip, port + ICH_REG_OFF_CR))
;
} else {
iputbyte(chip, port + ICH_REG_OFF_CR, 0 );
while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
;
}
iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
spin_unlock_irq(&chip->reg_lock);
if (pos == 0 ) {
dev_err(chip->card->dev,
"measure - unreliable DMA position..\n" );
__retry:
if (attempt < 3 ) {
msleep(300 );
attempt++;
goto __again;
}
goto __end;
}
pos /= 4 ;
t = ktime_us_delta(stop_time, start_time);
dev_info(chip->card->dev,
"%s: measured %lu usecs (%lu samples)\n" , __func__, t, pos);
if (t == 0 ) {
dev_err(chip->card->dev, "?? calculation error..\n" );
goto __retry;
}
pos *= 1000 ;
pos = (pos / t) * 1000 + ((pos % t) * 1000 ) / t;
if (pos < 40000 || pos >= 60000 ) {
/* abnormal value. hw problem? */
dev_info(chip->card->dev, "measured clock %ld rejected\n" , pos);
goto __retry;
} else if (pos > 40500 && pos < 41500 )
/* first exception - 41000Hz reference clock */
chip->ac97_bus->clock = 41000 ;
else if (pos > 43600 && pos < 44600 )
/* second exception - 44100HZ reference clock */
chip->ac97_bus->clock = 44100 ;
else if (pos < 47500 || pos > 48500 )
/* not 48000Hz, tuning the clock.. */
chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000 ) / pos;
__end:
dev_info(chip->card->dev, "clocking to %d\n" , chip->ac97_bus->clock);
snd_ac97_update_power(chip->ac97[0 ], AC97_PCM_FRONT_DAC_RATE, 0 );
}
static const struct snd_pci_quirk intel8x0_clock_list[] = {
SND_PCI_QUIRK(0 x0e11, 0 x008a, "AD1885" , 41000 ),
SND_PCI_QUIRK(0 x1014, 0 x0581, "AD1981B" , 48000 ),
SND_PCI_QUIRK(0 x1028, 0 x00be, "AD1885" , 44100 ),
SND_PCI_QUIRK(0 x1028, 0 x0177, "AD1980" , 48000 ),
SND_PCI_QUIRK(0 x1028, 0 x01ad, "AD1981B" , 48000 ),
SND_PCI_QUIRK(0 x1043, 0 x80f3, "AD1985" , 48000 ),
{ } /* terminator */
};
static int intel8x0_in_clock_list(struct intel8x0 *chip)
{
struct pci_dev *pci = chip->pci;
const struct snd_pci_quirk *wl;
wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
if (!wl)
return 0 ;
dev_info(chip->card->dev, "allow list rate for %04x:%04x is %i\n" ,
pci->subsystem_vendor, pci->subsystem_device, wl->value);
chip->ac97_bus->clock = wl->value;
return 1 ;
}
static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
struct snd_info_buffer *buffer)
{
struct intel8x0 *chip = entry->private_data;
unsigned int tmp;
snd_iprintf(buffer, "Intel8x0\n\n" );
if (chip->device_type == DEVICE_ALI)
return ;
tmp = igetdword(chip, ICHREG(GLOB_STA));
snd_iprintf(buffer, "Global control : 0x%08x\n" , igetdword(chip, ICHREG(GLOB_CNT)));
snd_iprintf(buffer, "Global status : 0x%08x\n" , tmp);
if (chip->device_type == DEVICE_INTEL_ICH4)
snd_iprintf(buffer, "SDM : 0x%08x\n" , igetdword(chip, ICHREG(SDM)));
snd_iprintf(buffer, "AC'97 codecs ready :" );
if (tmp & chip->codec_isr_bits) {
int i;
static const char *codecs[3 ] = {
"primary" , "secondary" , "tertiary"
};
for (i = 0 ; i < chip->max_codecs; i++)
if (tmp & chip->codec_bit[i])
snd_iprintf(buffer, " %s" , codecs[i]);
} else
snd_iprintf(buffer, " none" );
snd_iprintf(buffer, "\n" );
if (chip->device_type == DEVICE_INTEL_ICH4 ||
chip->device_type == DEVICE_SIS)
snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n" ,
chip->ac97_sdin[0 ],
chip->ac97_sdin[1 ],
chip->ac97_sdin[2 ]);
}
static void snd_intel8x0_proc_init(struct intel8x0 *chip)
{
snd_card_ro_proc_new(chip->card, "intel8x0" , chip,
snd_intel8x0_proc_read);
}
struct ich_reg_info {
unsigned int int_sta_mask;
unsigned int offset;
};
static const unsigned int ich_codec_bits[3 ] = {
ICH_PCR, ICH_SCR, ICH_TCR
};
static const unsigned int sis_codec_bits[3 ] = {
ICH_PCR, ICH_SCR, ICH_SIS_TCR
};
static int snd_intel8x0_inside_vm(struct pci_dev *pci)
{
int result = inside_vm;
char *msg = NULL;
/* check module parameter first (override detection) */
if (result >= 0 ) {
msg = result ? "enable (forced) VM" : "disable (forced) VM" ;
goto fini;
}
/* check for known (emulated) devices */
result = 0 ;
if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) {
/* KVM emulated sound, PCI SSID: 1af4:1100 */
msg = "enable KVM" ;
result = 1 ;
} else if (pci->subsystem_vendor == 0 x1ab8) {
/* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
msg = "enable Parallels VM" ;
result = 1 ;
}
fini:
if (msg != NULL)
dev_info(&pci->dev, "%s optimization\n" , msg);
return result;
}
static int snd_intel8x0_init(struct snd_card *card,
struct pci_dev *pci,
unsigned long device_type)
{
struct intel8x0 *chip = card->private_data;
int err;
unsigned int i;
unsigned int int_sta_masks;
struct ichdev *ichdev;
static const unsigned int bdbars[] = {
3 , /* DEVICE_INTEL */
6 , /* DEVICE_INTEL_ICH4 */
3 , /* DEVICE_SIS */
6 , /* DEVICE_ALI */
4 , /* DEVICE_NFORCE */
};
static const struct ich_reg_info intel_regs[6 ] = {
{ ICH_PIINT, 0 },
{ ICH_POINT, 0 x10 },
{ ICH_MCINT, 0 x20 },
{ ICH_M2INT, 0 x40 },
{ ICH_P2INT, 0 x50 },
{ ICH_SPINT, 0 x60 },
};
static const struct ich_reg_info nforce_regs[4 ] = {
{ ICH_PIINT, 0 },
{ ICH_POINT, 0 x10 },
{ ICH_MCINT, 0 x20 },
{ ICH_NVSPINT, 0 x70 },
};
static const struct ich_reg_info ali_regs[6 ] = {
{ ALI_INT_PCMIN, 0 x40 },
{ ALI_INT_PCMOUT, 0 x50 },
{ ALI_INT_MICIN, 0 x60 },
{ ALI_INT_CODECSPDIFOUT, 0 x70 },
{ ALI_INT_SPDIFIN, 0 xa0 },
{ ALI_INT_SPDIFOUT, 0 xb0 },
};
const struct ich_reg_info *tbl;
err = pcim_enable_device(pci);
if (err < 0 )
return err;
spin_lock_init(&chip->reg_lock);
chip->device_type = device_type;
chip->card = card;
chip->pci = pci;
chip->irq = -1 ;
/* module parameters */
chip->buggy_irq = buggy_irq;
chip->buggy_semaphore = buggy_semaphore;
if (xbox)
chip->xbox = 1 ;
chip->inside_vm = snd_intel8x0_inside_vm(pci);
/*
* Intel 82443MX running a 100MHz processor system bus has a hardware
* bug, which aborts PCI busmaster for audio transfer. A workaround
* is to set the pages as non-cached. For details, see the errata in
* http://download.intel.com/design/chipsets/specupdt/24505108.pdf
*/
if (pci->vendor == PCI_VENDOR_ID_INTEL &&
pci->device == PCI_DEVICE_ID_INTEL_440MX)
chip->fix_nocache = 1 ; /* enable workaround */
err = pcim_request_all_regions(pci, card->shortname);
if (err < 0 )
return err;
if (device_type == DEVICE_ALI) {
/* ALI5455 has no ac97 region */
chip->bmaddr = pcim_iomap(pci, 0 , 0 );
} else {
if (pci_resource_flags(pci, 2 ) & IORESOURCE_MEM) /* ICH4 and Nforce */
chip->addr = pcim_iomap(pci, 2 , 0 );
else
chip->addr = pcim_iomap(pci, 0 , 0 );
if (pci_resource_flags(pci, 3 ) & IORESOURCE_MEM) /* ICH4 */
chip->bmaddr = pcim_iomap(pci, 3 , 0 );
else
chip->bmaddr = pcim_iomap(pci, 1 , 0 );
}
chip->bdbars_count = bdbars[device_type];
/* initialize offsets */
switch (device_type) {
case DEVICE_NFORCE:
tbl = nforce_regs;
break ;
case DEVICE_ALI:
tbl = ali_regs;
break ;
default :
tbl = intel_regs;
break ;
}
for (i = 0 ; i < chip->bdbars_count; i++) {
ichdev = &chip->ichd[i];
ichdev->ichd = i;
ichdev->reg_offset = tbl[i].offset;
ichdev->int_sta_mask = tbl[i].int_sta_mask;
if (device_type == DEVICE_SIS) {
/* SiS 7012 swaps the registers */
ichdev->roff_sr = ICH_REG_OFF_PICB;
ichdev->roff_picb = ICH_REG_OFF_SR;
} else {
ichdev->roff_sr = ICH_REG_OFF_SR;
ichdev->roff_picb = ICH_REG_OFF_PICB;
}
if (device_type == DEVICE_ALI)
ichdev->ali_slot = (ichdev->reg_offset - 0 x40) / 0 x10;
/* SIS7012 handles the pcm data in bytes, others are in samples */
ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1 ;
}
/* allocate buffer descriptor lists */
/* the start of each lists must be aligned to 8 bytes */
chip->bdbars = snd_devm_alloc_pages(&pci->dev, intel8x0_dma_type(chip),
chip->bdbars_count * sizeof (u32) *
ICH_MAX_FRAGS * 2 );
if (!chip->bdbars)
return -ENOMEM;
/* tables must be aligned to 8 bytes here, but the kernel pages
are much bigger, so we don't care (on i386) */
int_sta_masks = 0 ;
for (i = 0 ; i < chip->bdbars_count; i++) {
ichdev = &chip->ichd[i];
ichdev->bdbar = ((__le32 *)chip->bdbars->area) +
(i * ICH_MAX_FRAGS * 2 );
ichdev->bdbar_addr = chip->bdbars->addr +
(i * sizeof (u32) * ICH_MAX_FRAGS * 2 );
int_sta_masks |= ichdev->int_sta_mask;
}
chip->int_sta_reg = device_type == DEVICE_ALI ?
ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
chip->int_sta_mask = int_sta_masks;
pci_set_master(pci);
switch (chip->device_type) {
case DEVICE_INTEL_ICH4:
/* ICH4 can have three codecs */
chip->max_codecs = 3 ;
chip->codec_bit = ich_codec_bits;
chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
break ;
case DEVICE_SIS:
/* recent SIS7012 can have three codecs */
chip->max_codecs = 3 ;
chip->codec_bit = sis_codec_bits;
chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
break ;
default :
/* others up to two codecs */
chip->max_codecs = 2 ;
chip->codec_bit = ich_codec_bits;
chip->codec_ready_bits = ICH_PRI | ICH_SRI;
break ;
}
for (i = 0 ; i < chip->max_codecs; i++)
chip->codec_isr_bits |= chip->codec_bit[i];
err = snd_intel8x0_chip_init(chip, 1 );
if (err < 0 )
return err;
/* request irq after initializaing int_sta_mask, etc */
/* NOTE: we don't use devm version here since it's released /
* re-acquired in PM callbacks.
* It's released explicitly in snd_intel8x0_free(), too.
*/
if (request_irq(pci->irq, snd_intel8x0_interrupt,
IRQF_SHARED, KBUILD_MODNAME, chip)) {
dev_err(card->dev, "unable to grab IRQ %d\n" , pci->irq);
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
card->private_free = snd_intel8x0_free;
return 0 ;
}
static struct shortname_table {
unsigned int id;
const char *s;
} shortnames[] = {
{ PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
{ PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
{ PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
{ PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
{ PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
{ PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
{ PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
{ PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
{ PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
{ PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
{ PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
{ PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
{ PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
{ PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
{ PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
{ PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
{ PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
{ PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
{ 0 x003a, "NVidia MCP04" },
{ 0 x746d, "AMD AMD8111" },
{ 0 x7445, "AMD AMD768" },
{ 0 x5455, "ALi M5455" },
{ 0 , NULL },
};
static const struct snd_pci_quirk spdif_aclink_defaults[] = {
SND_PCI_QUIRK(0 x147b, 0 x1c1a, "ASUS KN8" , 1 ),
{ } /* end */
};
/* look up allow/deny list for SPDIF over ac-link */
static int check_default_spdif_aclink(struct pci_dev *pci)
{
const struct snd_pci_quirk *w;
w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
if (w) {
if (w->value)
dev_dbg(&pci->dev,
"Using SPDIF over AC-Link for %s\n" ,
snd_pci_quirk_name(w));
else
dev_dbg(&pci->dev,
"Using integrated SPDIF DMA for %s\n" ,
snd_pci_quirk_name(w));
return w->value;
}
return 0 ;
}
static int __snd_intel8x0_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
struct snd_card *card;
struct intel8x0 *chip;
int err;
struct shortname_table *name;
err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE,
sizeof (*chip), &card);
if (err < 0 )
return err;
chip = card->private_data;
if (spdif_aclink < 0 )
spdif_aclink = check_default_spdif_aclink(pci);
strscpy(card->driver, "ICH" );
if (!spdif_aclink) {
switch (pci_id->driver_data) {
case DEVICE_NFORCE:
strscpy(card->driver, "NFORCE" );
break ;
case DEVICE_INTEL_ICH4:
strscpy(card->driver, "ICH4" );
}
}
strscpy(card->shortname, "Intel ICH" );
for (name = shortnames; name->id; name++) {
if (pci->device == name->id) {
strscpy(card->shortname, name->s);
break ;
}
}
if (buggy_irq < 0 ) {
/* some Nforce[2] and ICH boards have problems with IRQ handling.
* Needs to return IRQ_HANDLED for unknown irqs.
*/
if (pci_id->driver_data == DEVICE_NFORCE)
buggy_irq = 1 ;
else
buggy_irq = 0 ;
}
err = snd_intel8x0_init(card, pci, pci_id->driver_data);
if (err < 0 )
return err;
err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk);
if (err < 0 )
return err;
err = snd_intel8x0_pcm(chip);
if (err < 0 )
return err;
snd_intel8x0_proc_init(chip);
snprintf(card->longname, sizeof (card->longname),
"%s with %s at irq %i" , card->shortname,
snd_ac97_get_short_name(chip->ac97[0 ]), chip->irq);
if (ac97_clock == 0 || ac97_clock == 1 ) {
if (ac97_clock == 0 ) {
if (intel8x0_in_clock_list(chip) == 0 )
intel8x0_measure_ac97_clock(chip);
} else {
intel8x0_measure_ac97_clock(chip);
}
}
err = snd_card_register(card);
if (err < 0 )
return err;
pci_set_drvdata(pci, card);
return 0 ;
}
static int snd_intel8x0_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
return snd_card_free_on_error(&pci->dev, __snd_intel8x0_probe(pci, pci_id));
}
static struct pci_driver intel8x0_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_intel8x0_ids,
.probe = snd_intel8x0_probe,
.driver = {
.pm = &intel8x0_pm,
},
};
module_pci_driver(intel8x0_driver);
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