/*
* ALSA driver for Intel ICH (i8x0) chipsets
*
* Copyright (c) 2000 Jaroslav Kysela <perex@suse.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.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <sound/driver.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/info.h>
#include <sound/mpu401.h>
#define SNDRV_GET_ID
#include <sound/initval.h>
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
MODULE_LICENSE("GPL");
MODULE_CLASSES("{sound}");
MODULE_DEVICES("{{Intel,82801AA-ICH},"
"{Intel,82901AB-ICH0},"
"{Intel,82801BA-ICH2},"
"{Intel,82801CA-ICH3},"
"{Intel,82801DB-ICH4},"
"{Intel,ICH5},"
"{Intel,MX440},"
"{SiS,SI7012},"
"{NVidia,nForce Audio},"
"{NVidia,nForce2 Audio},"
"{AMD,AMD768},"
"{AMD,AMD8111},"
"{ALI,M5455}}");
#define SUPPORT_JOYSTICK 1
#define SUPPORT_MIDI 1
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
#ifdef SUPPORT_JOYSTICK
static int joystick_port[SNDRV_CARDS] =
#ifdef CONFIG_ISA
{0x200}; /* enable as default */
#else
{0}; /* disabled */
#endif
#endif
#ifdef SUPPORT_MIDI
static int mpu_port[SNDRV_CARDS]; /* disabled */
#endif
MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(enable, "Enable Intel i8x0 soundcard.");
MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
MODULE_PARM(ac97_clock, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect).");
MODULE_PARM_SYNTAX(ac97_clock, SNDRV_ENABLED ",default:0");
#ifdef SUPPORT_JOYSTICK
MODULE_PARM(joystick_port, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(joystick_port, "Joystick port address for Intel i8x0 soundcard. (0 = disabled)");
MODULE_PARM_SYNTAX(joystick_port, SNDRV_ENABLED ",allows:{{0},{0x200}},dialog:list");
#endif
#ifdef SUPPORT_MIDI
MODULE_PARM(mpu_port, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
MODULE_PARM_DESC(mpu_port, "MPU401 port # for Intel i8x0 driver.");
MODULE_PARM_SYNTAX(mpu_port, SNDRV_ENABLED ",allows:{{0},{0x330},{0x300}},dialog:list");
#endif
/*
* Direct registers
*/
#ifndef PCI_DEVICE_ID_INTEL_82801
#define PCI_DEVICE_ID_INTEL_82801 0x2415
#endif
#ifndef PCI_DEVICE_ID_INTEL_82901
#define PCI_DEVICE_ID_INTEL_82901 0x2425
#endif
#ifndef PCI_DEVICE_ID_INTEL_82801BA
#define PCI_DEVICE_ID_INTEL_82801BA 0x2445
#endif
#ifndef PCI_DEVICE_ID_INTEL_440MX
#define PCI_DEVICE_ID_INTEL_440MX 0x7195
#endif
#ifndef PCI_DEVICE_ID_INTEL_ICH3
#define PCI_DEVICE_ID_INTEL_ICH3 0x2485
#endif
#ifndef PCI_DEVICE_ID_INTEL_ICH4
#define PCI_DEVICE_ID_INTEL_ICH4 0x24c5
#endif
#ifndef PCI_DEVICE_ID_INTEL_ICH5
#define PCI_DEVICE_ID_INTEL_ICH5 0x24d5
#endif
#ifndef PCI_DEVICE_ID_SI_7012
#define PCI_DEVICE_ID_SI_7012 0x7012
#endif
#ifndef PCI_DEVICE_ID_NVIDIA_MCP_AUDIO
#define PCI_DEVICE_ID_NVIDIA_MCP_AUDIO 0x01b1
#endif
#ifndef PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO
#define PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO 0x006a
#endif
#ifndef PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO
#define PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO 0x00da
#endif
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 + 0x0, /* dword - buffer descriptor list base address */ \
ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \
ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \
ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \
ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \
ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \
ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \
};
/* busmaster blocks */
DEFINE_REGSET(OFF, 0); /* offset */
DEFINE_REGSET(PI, 0x00); /* PCM in */
DEFINE_REGSET(PO, 0x10); /* PCM out */
DEFINE_REGSET(MC, 0x20); /* Mic in */
/* ICH4 busmaster blocks */
DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */
DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */
DEFINE_REGSET(SP, 0x60); /* SPDIF out */
/* values for each busmaster block */
/* LVI */
#define ICH_REG_LVI_MASK 0x1f
/* SR */
#define ICH_FIFOE 0x10 /* FIFO error */
#define ICH_BCIS 0x08 /* buffer completion interrupt status */
#define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */
#define ICH_CELV 0x02 /* current equals last valid */
#define ICH_DCH 0x01 /* DMA controller halted */
/* PIV */
#define ICH_REG_PIV_MASK 0x1f /* mask */
/* CR */
#define ICH_IOCE 0x10 /* interrupt on completion enable */
#define ICH_FEIE 0x08 /* fifo error interrupt enable */
#define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */
#define ICH_RESETREGS 0x02 /* reset busmaster registers */
#define ICH_STARTBM 0x01 /* start busmaster operation */
/* global block */
#define ICH_REG_GLOB_CNT 0x2c /* dword - global control */
#define ICH_PCM_20BIT 0x00400000 /* 20-bit samples (ICH4) */
#define ICH_PCM_246_MASK 0x00300000 /* 6 channels (not all chips) */
#define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */
#define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */
#define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */
#define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */
#define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */
#define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */
#define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */
#define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */
#define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */
#define ICH_PRIE 0x00000010 /* primary resume interrupt enable */
#define ICH_ACLINK 0x00000008 /* AClink shut off */
#define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */
#define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */
#define ICH_GIE 0x00000001 /* GPI interrupt enable */
#define ICH_REG_GLOB_STA 0x30 /* dword - global status */
#define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */
#define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */
#define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */
#define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */
#define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */
#define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */
#define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */
#define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */
#define ICH_MD3 0x00020000 /* modem power down semaphore */
#define ICH_AD3 0x00010000 /* audio power down semaphore */
#define ICH_RCS 0x00008000 /* read completion status */
#define ICH_BIT3 0x00004000 /* bit 3 slot 12 */
#define ICH_BIT2 0x00002000 /* bit 2 slot 12 */
#define ICH_BIT1 0x00001000 /* bit 1 slot 12 */
#define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */
#define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */
#define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */
#define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */
#define ICH_MCINT 0x00000080 /* MIC capture interrupt */
#define ICH_POINT 0x00000040 /* playback interrupt */
#define ICH_PIINT 0x00000020 /* capture interrupt */
#define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */
#define ICH_MOINT 0x00000004 /* modem playback interrupt */
#define ICH_MIINT 0x00000002 /* modem capture interrupt */
#define ICH_GSCI 0x00000001 /* GPI status change interrupt */
#define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */
#define ICH_CAS 0x01 /* codec access semaphore */
#define ICH_REG_SDM 0x80
#define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */
#define ICH_DI2L_SHIFT 6
#define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */
#define ICH_DI1L_SHIFT 4
#define ICH_SE 0x00000008 /* steer enable */
#define ICH_LDI_MASK 0x00000003 /* last codec read data input */
#define ICH_MAX_FRAGS 32 /* max hw frags */
/*
* registers for Ali5455
*/
/* ALi 5455 busmaster blocks */
DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */
DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */
DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */
DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */
DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */
DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */
DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */
DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */
DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */
DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */
DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */
enum {
ICH_REG_ALI_SCR = 0x00, /* System Control Register */
ICH_REG_ALI_SSR = 0x04, /* System Status Register */
ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */
ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */
ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */
ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */
ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */
ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */
ICH_REG_ALI_CPR = 0x20, /* Command Port Register */
ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */
ICH_REG_ALI_SPR = 0x24, /* Status Port Register */
ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */
ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */
ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */
ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */
ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */
ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */
ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */
ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */
ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */
ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */
};
#define ALI_CAS_SEM_BUSY 0x80000000
#define ALI_CPR_ADDR_SECONDARY 0x100
#define ALI_CPR_ADDR_READ 0x80
#define ALI_CSPSR_CODEC_READY 0x08
#define ALI_CSPSR_READ_OK 0x02
#define ALI_CSPSR_WRITE_OK 0x01
/* 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) (ichdev_t *)(substream->runtime->private_data)
typedef struct {
unsigned int ichd; /* ich device number */
unsigned long reg_offset; /* offset to bmaddr */
u32 *bdbar; /* CPU address (32bit) */
unsigned int bdbar_addr; /* PCI bus address (32bit) */
snd_pcm_substream_t *substream;
unsigned int physbuf; /* physical address (32bit) */
unsigned int size;
unsigned int fragsize;
unsigned int fragsize1;
unsigned int position;
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 */
ac97_t *ac97;
unsigned short ac97_rate_regs[3];
int ac97_rates_idx;
} ichdev_t;
typedef struct _snd_intel8x0 intel8x0_t;
#define chip_t intel8x0_t
struct _snd_intel8x0 {
unsigned int device_type;
char ac97_name[32];
char ctrl_name[32];
int irq;
unsigned int mmio;
unsigned long addr;
unsigned long remap_addr;
struct resource *res;
unsigned int bm_mmio;
unsigned long bmaddr;
unsigned long remap_bmaddr;
struct resource *res_bm;
struct pci_dev *pci;
snd_card_t *card;
int pcm_devs;
snd_pcm_t *pcm[6];
ichdev_t ichd[6];
int multi4: 1,
multi6: 1,
smp20bit: 1;
int in_ac97_init: 1,
in_sdin_init: 1;
ac97_t *ac97[3];
unsigned int ac97_sdin[3];
snd_rawmidi_t *rmidi;
spinlock_t reg_lock;
spinlock_t ac97_lock;
u32 bdbars_count;
u32 *bdbars;
dma_addr_t bdbars_addr;
u32 int_sta_reg; /* interrupt status register */
u32 int_sta_mask; /* interrupt status mask */
unsigned int pcm_pos_shift;
#ifdef CONFIG_PM
int in_suspend;
#endif
};
static struct pci_device_id snd_intel8x0_ids[] = {
{ 0x8086, 0x2415, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */
{ 0x8086, 0x2425, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */
{ 0x8086, 0x2445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */
{ 0x8086, 0x2485, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */
{ 0x8086, 0x24c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH4 */
{ 0x8086, 0x24d5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH5 */
{ 0x8086, 0x7195, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */
{ 0x1039, 0x7012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7012 */
{ 0x10de, 0x01b1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */
{ 0x10de, 0x006a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */
{ 0x10de, 0x00da, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */
{ 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */
{ 0x1022, 0x7445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */
{ 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
/*
* Lowlevel I/O - busmaster
*/
static u8 igetbyte(intel8x0_t *chip, u32 offset)
{
if (chip->bm_mmio)
return readb(chip->remap_bmaddr + offset);
else
return inb(chip->bmaddr + offset);
}
static u16 igetword(intel8x0_t *chip, u32 offset)
{
if (chip->bm_mmio)
return readw(chip->remap_bmaddr + offset);
else
return inw(chip->bmaddr + offset);
}
static u32 igetdword(intel8x0_t *chip, u32 offset)
{
if (chip->bm_mmio)
return readl(chip->remap_bmaddr + offset);
else
return inl(chip->bmaddr + offset);
}
static void iputbyte(intel8x0_t *chip, u32 offset, u8 val)
{
if (chip->bm_mmio)
writeb(val, chip->remap_bmaddr + offset);
else
outb(val, chip->bmaddr + offset);
}
static void iputword(intel8x0_t *chip, u32 offset, u16 val)
{
if (chip->bm_mmio)
writew(val, chip->remap_bmaddr + offset);
else
outw(val, chip->bmaddr + offset);
}
static void iputdword(intel8x0_t *chip, u32 offset, u32 val)
{
if (chip->bm_mmio)
writel(val, chip->remap_bmaddr + offset);
else
outl(val, chip->bmaddr + offset);
}
/*
* Lowlevel I/O - AC'97 registers
*/
static u16 iagetword(intel8x0_t *chip, u32 offset)
{
if (chip->mmio)
return readw(chip->remap_addr + offset);
else
return inw(chip->addr + offset);
}
static void iaputword(intel8x0_t *chip, u32 offset, u16 val)
{
if (chip->mmio)
writew(val, chip->remap_addr + offset);
else
outw(val, chip->addr + offset);
}
/*
* Basic I/O
*/
/*
* access to AC97 codec via normal i/o (for ICH and SIS7012)
*/
/* return the GLOB_STA bit for the corresponding codec */
static unsigned int get_ich_codec_bit(intel8x0_t *chip, unsigned int codec)
{
static unsigned int codec_bit[3] = {
ICH_PCR, ICH_SCR, ICH_TCR
};
snd_assert(codec < 3, return ICH_PCR);
if (chip->device_type == DEVICE_INTEL_ICH4)
codec = chip->ac97_sdin[codec];
return codec_bit[codec];
}
static int snd_intel8x0_codec_semaphore(intel8x0_t *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 = ICH_PCR | ICH_SCR | ICH_TCR;
} else {
codec = get_ich_codec_bit(chip, codec);
}
/* codec ready ? */
if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
return -EIO;
/* 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 existant) 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. */
snd_printk("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(ac97_t *ac97,
unsigned short reg,
unsigned short val)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, ac97->private_data, return);
spin_lock(&chip->ac97_lock);
if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
if (! chip->in_ac97_init)
snd_printk("codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
}
iaputword(chip, reg + ac97->num * 0x80, val);
spin_unlock(&chip->ac97_lock);
}
static unsigned short snd_intel8x0_codec_read(ac97_t *ac97,
unsigned short reg)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, ac97->private_data, return ~0);
unsigned short res;
unsigned int tmp;
spin_lock(&chip->ac97_lock);
if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
if (! chip->in_ac97_init)
snd_printk("codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
res = 0xffff;
} else {
res = iagetword(chip, reg + ac97->num * 0x80);
if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
/* reset RCS and preserve other R/WC bits */
iputdword(chip, ICHREG(GLOB_STA), tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI));
if (! chip->in_ac97_init)
snd_printk("codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
res = 0xffff;
}
}
spin_unlock(&chip->ac97_lock);
return res;
}
/*
* access to AC97 for Ali5455
*/
static int snd_intel8x0_ali_codec_ready(intel8x0_t *chip, int mask)
{
int count = 0;
for (count = 0; count < 0x7f; count++) {
int val = igetbyte(chip, ICHREG(ALI_CSPSR));
if (val & mask)
return 0;
}
snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
return -EBUSY;
}
static int snd_intel8x0_ali_codec_semaphore(intel8x0_t *chip)
{
int time = 100;
while (time-- && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
udelay(1);
if (! time)
snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
}
static unsigned short snd_intel8x0_ali_codec_read(ac97_t *ac97, unsigned short reg)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, ac97->private_data, return ~0);
unsigned short data = 0xffff;
spin_lock(&chip->ac97_lock);
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:
spin_unlock(&chip->ac97_lock);
return data;
}
static void snd_intel8x0_ali_codec_write(ac97_t *ac97, unsigned short reg, unsigned short val)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, ac97->private_data, return);
spin_lock(&chip->ac97_lock);
if (snd_intel8x0_ali_codec_semaphore(chip)) {
spin_unlock(&chip->ac97_lock);
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);
spin_unlock(&chip->ac97_lock);
}
/*
* DMA I/O
*/
static void snd_intel8x0_setup_periods(intel8x0_t *chip, ichdev_t *ichdev)
{
int idx;
u32 *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(0x80000000 | /* interrupt on completion */
ichdev->fragsize1 >> chip->pcm_pos_shift);
bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
ichdev->fragsize1 >> chip->pcm_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(0x80000000 | /* interrupt on completion */
ichdev->fragsize >> chip->pcm_pos_shift);
// printk("bdbar[%i] = 0x%x [0x%x]\n", idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
}
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
printk("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(intel8x0_t *chip, ichdev_t *ichdev)
{
unsigned long port = ichdev->reg_offset;
int civ, i, step;
int ack = 0;
civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
if (civ == ichdev->civ) {
// snd_printd("civ same %d\n", 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;
// if (step != 1)
// snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
ichdev->civ = civ;
}
ichdev->position += step * ichdev->fragsize1;
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);
// printk("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));
if (--ichdev->ack == 0) {
ichdev->ack = ichdev->ack_reload;
ack = 1;
}
}
if (ack && ichdev->substream) {
spin_unlock(&chip->reg_lock);
snd_pcm_period_elapsed(ichdev->substream);
spin_lock(&chip->reg_lock);
}
iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
}
static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, dev_id, return IRQ_NONE);
ichdev_t *ichdev;
unsigned int status;
unsigned int i;
spin_lock(&chip->reg_lock);
status = igetdword(chip, chip->int_sta_reg);
if ((status & chip->int_sta_mask) == 0) {
if (status)
iputdword(chip, chip->int_sta_reg, status);
spin_unlock(&chip->reg_lock);
return IRQ_NONE;
}
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);
spin_unlock(&chip->reg_lock);
return IRQ_HANDLED;
}
/*
* PCM part
*/
static int snd_intel8x0_pcm_trigger(snd_pcm_substream_t *substream, int cmd)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
ichdev_t *ichdev = get_ichdev(substream);
unsigned char val = 0;
unsigned long port = ichdev->reg_offset;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
val = ICH_IOCE | ICH_STARTBM;
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
val = 0;
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
val = ICH_IOCE;
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
val = ICH_IOCE | ICH_STARTBM;
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(snd_pcm_substream_t *substream, int cmd)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
ichdev_t *ichdev = get_ichdev(substream);
unsigned long port = ichdev->reg_offset;
static 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_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/* clear FIFO for synchronization of channels */
fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
fifo &= ~(0xff << (ichdev->ali_slot % 4));
fifo |= 0x83 << (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 */
iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot)); /* start DMA */
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16))); /* pause */
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) | 0x1e);
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(snd_pcm_substream_t * substream,
snd_pcm_hw_params_t * hw_params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
static int snd_intel8x0_hw_free(snd_pcm_substream_t * substream)
{
return snd_pcm_lib_free_pages(substream);
}
static void snd_intel8x0_setup_multi_channels(intel8x0_t *chip, int channels)
{
unsigned int cnt;
switch (chip->device_type) {
case DEVICE_ALI:
cnt = igetdword(chip, ICHREG(ALI_SCR));
cnt &= ~ICH_ALI_SC_PCM_246_MASK;
if (chip->multi4 && channels == 4)
cnt |= ICH_ALI_SC_PCM_4;
else if (chip->multi6 && 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 (chip->multi4 && channels == 4)
cnt |= ICH_SIS_PCM_4;
else if (chip->multi6 && 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;
if (chip->multi4 && channels == 4)
cnt |= ICH_PCM_4;
else if (chip->multi6 && channels == 6)
cnt |= ICH_PCM_6;
iputdword(chip, ICHREG(GLOB_CNT), cnt);
break;
}
}
static int snd_intel8x0_pcm_prepare(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
snd_pcm_runtime_t *runtime = substream->runtime;
ichdev_t *ichdev = get_ichdev(substream);
int i;
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) {
spin_lock(&chip->reg_lock);
snd_intel8x0_setup_multi_channels(chip, runtime->channels);
spin_unlock(&chip->reg_lock);
}
if (ichdev->ac97) {
for (i = 0; i < 3; i++)
if (ichdev->ac97_rate_regs[i])
snd_ac97_set_rate(ichdev->ac97, ichdev->ac97_rate_regs[i], runtime->rate);
/* FIXME: hack to enable spdif support */
if (ichdev->ichd == ICHD_PCMOUT && chip->device_type == DEVICE_SIS)
snd_ac97_set_rate(ichdev->ac97, AC97_SPDIF, runtime->rate);
}
snd_intel8x0_setup_periods(chip, ichdev);
return 0;
}
static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
ichdev_t *ichdev = get_ichdev(substream);
size_t ptr1, ptr;
ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift;
if (ptr1 != 0)
ptr = ichdev->fragsize1 - ptr1;
else
ptr = 0;
ptr += ichdev->position;
if (ptr >= ichdev->size)
return 0;
return bytes_to_frames(substream->runtime, ptr);
}
static snd_pcm_hardware_t 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 unsigned int channels4[] = {
2, 4,
};
#define CHANNELS4 sizeof(channels4) / sizeof(channels4[0])
static snd_pcm_hw_constraint_list_t hw_constraints_channels4 = {
.count = CHANNELS4,
.list = channels4,
.mask = 0,
};
static unsigned int channels6[] = {
2, 4, 6,
};
#define CHANNELS6 sizeof(channels6) / sizeof(channels6[0])
static snd_pcm_hw_constraint_list_t hw_constraints_channels6 = {
.count = CHANNELS6,
.list = channels6,
.mask = 0,
};
static int snd_intel8x0_pcm_open(snd_pcm_substream_t * substream, ichdev_t *ichdev)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
snd_pcm_runtime_t *runtime = substream->runtime;
static unsigned int i, rates[] = {
/* ATTENTION: these values depend on the definition in pcm.h! */
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000
};
int err;
ichdev->substream = substream;
runtime->hw = snd_intel8x0_stream;
if (ichdev->ac97 && ichdev->ac97_rates_idx >= 0) {
runtime->hw.rates = ichdev->ac97->rates[ichdev->ac97_rates_idx];
for (i = 0; i < ARRAY_SIZE(rates); i++) {
if (runtime->hw.rates & (1 << i)) {
runtime->hw.rate_min = rates[i];
break;
}
}
}
if (chip->device_type == DEVICE_SIS) {
runtime->hw.buffer_bytes_max = 64*1024;
runtime->hw.period_bytes_max = 64*1024;
}
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;
runtime->private_data = ichdev;
return 0;
}
static int snd_intel8x0_playback_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
snd_pcm_runtime_t *runtime = substream->runtime;
int err;
err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
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);
}
return 0;
}
static int snd_intel8x0_playback_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_PCMOUT].substream = NULL;
return 0;
}
static int snd_intel8x0_capture_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
}
static int snd_intel8x0_capture_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_PCMIN].substream = NULL;
return 0;
}
static int snd_intel8x0_mic_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
}
static int snd_intel8x0_mic_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_MIC].substream = NULL;
return 0;
}
static int snd_intel8x0_mic2_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
}
static int snd_intel8x0_mic2_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_MIC2].substream = NULL;
return 0;
}
static int snd_intel8x0_capture2_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
}
static int snd_intel8x0_capture2_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ICHD_PCM2IN].substream = NULL;
return 0;
}
static int snd_intel8x0_spdif_open(snd_pcm_substream_t * substream)
{
intel8x0_t *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(snd_pcm_substream_t * substream)
{
intel8x0_t *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(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
unsigned long flags;
unsigned int val;
spin_lock_irqsave(&chip->reg_lock, flags);
val = igetdword(chip, ICHREG(ALI_INTERFACECR));
val |= ICH_ALI_IF_AC97SP;
/* also needs to set ALI_SC_CODEC_SPDF correctly */
spin_unlock_irqrestore(&chip->reg_lock, flags);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
}
static int snd_intel8x0_ali_ac97spdifout_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
unsigned long flags;
unsigned int val;
chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
spin_lock_irqsave(&chip->reg_lock, flags);
val = igetdword(chip, ICHREG(ALI_INTERFACECR));
val &= ~ICH_ALI_IF_AC97SP;
spin_unlock_irqrestore(&chip->reg_lock, flags);
return 0;
}
static int snd_intel8x0_ali_spdifin_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
}
static int snd_intel8x0_ali_spdifin_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ALID_SPDIFIN].substream = NULL;
return 0;
}
#if 0 // NYI
static int snd_intel8x0_ali_spdifout_open(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
}
static int snd_intel8x0_ali_spdifout_close(snd_pcm_substream_t * substream)
{
intel8x0_t *chip = snd_pcm_substream_chip(substream);
chip->ichd[ALID_SPDIFOUT].substream = NULL;
return 0;
}
#endif
static snd_pcm_ops_t snd_intel8x0_playback_ops = {
.open = snd_intel8x0_playback_open,
.close = snd_intel8x0_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_capture_ops = {
.open = snd_intel8x0_capture_open,
.close = snd_intel8x0_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_capture_mic_ops = {
.open = snd_intel8x0_mic_open,
.close = snd_intel8x0_mic_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_capture_mic2_ops = {
.open = snd_intel8x0_mic2_open,
.close = snd_intel8x0_mic2_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_capture2_ops = {
.open = snd_intel8x0_capture2_open,
.close = snd_intel8x0_capture2_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_spdif_ops = {
.open = snd_intel8x0_spdif_open,
.close = snd_intel8x0_spdif_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_ali_playback_ops = {
.open = snd_intel8x0_playback_open,
.close = snd_intel8x0_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_ali_capture_ops = {
.open = snd_intel8x0_capture_open,
.close = snd_intel8x0_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_ali_capture_mic_ops = {
.open = snd_intel8x0_mic_open,
.close = snd_intel8x0_mic_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_ali_ac97spdifout_ops = {
.open = snd_intel8x0_ali_ac97spdifout_open,
.close = snd_intel8x0_ali_ac97spdifout_close,
.ioctl = snd_pcm_lib_ioctl,
.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 snd_pcm_ops_t snd_intel8x0_ali_spdifin_ops = {
.open = snd_intel8x0_ali_spdifin_open,
.close = snd_intel8x0_ali_spdifin_close,
.ioctl = snd_pcm_lib_ioctl,
.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,
};
#if 0 // NYI
static snd_pcm_ops_t snd_intel8x0_ali_spdifout_ops = {
.open = snd_intel8x0_ali_spdifout_open,
.close = snd_intel8x0_ali_spdifout_close,
.ioctl = snd_pcm_lib_ioctl,
.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;
snd_pcm_ops_t *playback_ops;
snd_pcm_ops_t *capture_ops;
size_t prealloc_size;
size_t prealloc_max_size;
int ac97_idx;
};
static int __devinit snd_intel8x0_pcm1(intel8x0_t *chip, int device, struct ich_pcm_table *rec)
{
snd_pcm_t *pcm;
int err;
char name[32];
if (rec->suffix)
sprintf(name, "Intel ICH - %s", rec->suffix);
else
strcpy(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
strcpy(pcm->name, chip->card->shortname);
chip->pcm[device] = pcm;
snd_pcm_lib_preallocate_pci_pages_for_all(chip->pci, pcm, rec->prealloc_size,
rec->prealloc_max_size);
return 0;
}
static struct ich_pcm_table intel_pcms[] __devinitdata = {
{
.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 struct ich_pcm_table nforce_pcms[] __devinitdata = {
{
.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 struct ich_pcm_table ali_pcms[] __devinitdata = {
{
.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 __devinit snd_intel8x0_pcm(intel8x0_t *chip)
{
int i, tblsize, device, err;
struct ich_pcm_table *tbl, *rec;
switch (chip->device_type) {
case DEVICE_INTEL_ICH4:
tbl = intel_pcms;
tblsize = ARRAY_SIZE(intel_pcms);
break;
case DEVICE_NFORCE:
tbl = nforce_pcms;
tblsize = ARRAY_SIZE(nforce_pcms);
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].ac97)
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(ac97_t *ac97)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, ac97->private_data, return);
chip->ac97[ac97->num] = NULL;
}
struct _ac97_rate_regs {
unsigned int ichd;
unsigned short regs[3];
short rates_idx;
};
static struct _ac97_rate_regs intel_ac97_rate_regs[] __devinitdata = {
{ ICHD_PCMOUT, { AC97_PCM_FRONT_DAC_RATE, AC97_PCM_SURR_DAC_RATE, AC97_PCM_LFE_DAC_RATE }, AC97_RATES_FRONT_DAC },
{ ICHD_PCMIN, { AC97_PCM_LR_ADC_RATE, 0, 0 }, AC97_RATES_ADC },
{ ICHD_MIC, { AC97_PCM_MIC_ADC_RATE, 0, 0 }, AC97_RATES_MIC_ADC },
{ ICHD_MIC2, { AC97_PCM_MIC_ADC_RATE, 0, 0 }, AC97_RATES_MIC_ADC },
{ ICHD_PCM2IN, { AC97_PCM_LR_ADC_RATE, 0, 0 }, AC97_RATES_ADC },
{ ICHD_SPBAR, { AC97_SPDIF, 0, 0 }, AC97_RATES_SPDIF },
};
static struct _ac97_rate_regs nforce_ac97_rate_regs[] __devinitdata = {
{ NVD_PCMOUT, { AC97_PCM_FRONT_DAC_RATE, AC97_PCM_SURR_DAC_RATE, AC97_PCM_LFE_DAC_RATE }, AC97_RATES_FRONT_DAC },
{ NVD_PCMIN, { AC97_PCM_LR_ADC_RATE, 0, 0 }, AC97_RATES_ADC },
{ NVD_MIC, { AC97_PCM_MIC_ADC_RATE, 0, 0 }, AC97_RATES_MIC_ADC },
{ NVD_SPBAR, { AC97_SPDIF, AC97_PCM_FRONT_DAC_RATE, 0 }, -1 }, /* spdif is 48k only */
};
static struct _ac97_rate_regs ali_ac97_rate_regs[] __devinitdata = {
#if 0 /* FIXME: my test board doens't work well with VRA... */
{ ALID_PCMOUT, { AC97_PCM_FRONT_DAC_RATE, AC97_PCM_SURR_DAC_RATE, AC97_PCM_LFE_DAC_RATE }, AC97_RATES_FRONT_DAC },
{ ALID_PCMIN, { AC97_PCM_LR_ADC_RATE, 0, 0 }, AC97_RATES_ADC },
{ ALID_MIC, { AC97_PCM_MIC_ADC_RATE, 0, 0 }, AC97_RATES_MIC_ADC },
{ ALID_AC97SPDIFOUT, { AC97_SPDIF, 0, 0 }, AC97_RATES_SPDIF },
{ ALID_SPDIFOUT, { 0, 0, 0 }, -1 },
{ ALID_SPDIFIN, { 0, 0, 0 }, -1 },
#else
{ ALID_PCMOUT, { AC97_PCM_FRONT_DAC_RATE }, -1 },
{ ALID_PCMIN, { AC97_PCM_LR_ADC_RATE }, -1 },
{ ALID_MIC, { AC97_PCM_MIC_ADC_RATE }, -1 },
{ ALID_AC97SPDIFOUT, { AC97_SPDIF }, -1 },
{ ALID_SPDIFOUT, { }, -1 },
{ ALID_SPDIFIN, { }, -1 },
#endif
};
static struct ac97_quirk ac97_quirks[] __devinitdata = {
{
.vendor = 0x1028,
.device = 0x00d8,
.name = "Dell Precision 530",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x1028,
.device = 0x0126,
.name = "Dell Optiplex GX260",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x1028,
.device = 0x0157,
.name = "Dell Dimension 8300",
.type = AC97_TUNE_SWAP_SURROUND
},
{
.vendor = 0x1043,
.device =0x80b0,
.name = "ASUS P4PE Mobo",
.type = AC97_TUNE_SWAP_SURROUND
},
{
.vendor = 0x1043,
.device = 0x80f3,
.name = "ASUS ICH5/AD1985",
.type = AC97_TUNE_AD_SHARING
},
{
.vendor = 0x10f1,
.device = 0x2665,
.name = "Fujitsu-Siemens Celcius",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x110a,
.device = 0x0056,
.name = "Fujitsu-Siemens Scenic",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x11d4,
.device = 0x5375,
.name = "ADI AD1985 (discrete)",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x1734,
.device = 0x0088,
.name = "Fujitsu-Siemens D1522",
.type = AC97_TUNE_HP_ONLY
},
#if 0
/* FIXME: this seems invalid */
{
.vendor = 0x4144,
.device = 0x5360,
.type = "AMD64 Motherboard",
.name = AC97_TUNE_HP_ONLY
},
#endif
{
.vendor = 0x8086,
.device = 0x2000,
.mask = 0xfff0,
.name = "Intel ICH5/AD1985 (discrete)",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x8086,
.device = 0x4000,
.mask = 0xfff0,
.name = "Intel ICH5/AD1985",
.type = AC97_TUNE_AD_SHARING
},
{
.vendor = 0x8086,
.device = 0x4d44,
.name = "Intel D850EMV2",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x8086,
.device = 0x6000,
.mask = 0xfff0,
.name = "Intel ICH5/AD1985",
.type = AC97_TUNE_AD_SHARING
},
{
.vendor = 0x8086,
.device = 0xe000,
.mask = 0xfff0,
.name = "Intel ICH5/AD1985",
.type = AC97_TUNE_AD_SHARING
},
{
.vendor = 0x8086,
.device = 0xa000,
.mask = 0xfff0,
.name = "Intel ICH5/AD1985 (discrete)",
.type = AC97_TUNE_HP_ONLY
},
{
.vendor = 0x103c,
.device = 0x00c3,
.name = "Hewlett-Packard onboard",
.type = AC97_TUNE_HP_ONLY
},
{ } /* terminator */
};
static int __devinit snd_intel8x0_mixer(intel8x0_t *chip, int ac97_clock)
{
ac97_t ac97, *x97;
ichdev_t *ichdev;
int err;
unsigned int i, num, codecs, _codecs;
unsigned int glob_sta = 0;
struct _ac97_rate_regs *tbl;
int spdif_idx = -1; /* disabled */
switch (chip->device_type) {
case DEVICE_NFORCE:
tbl = nforce_ac97_rate_regs;
spdif_idx = NVD_SPBAR;
break;
case DEVICE_ALI:
tbl = ali_ac97_rate_regs;
spdif_idx = ALID_AC97SPDIFOUT;
break;
default:
tbl = intel_ac97_rate_regs;
if (chip->device_type == DEVICE_INTEL_ICH4)
spdif_idx = ICHD_SPBAR;
break;
};
for (i = 0; i < chip->bdbars_count; i++) {
struct _ac97_rate_regs *aregs = tbl + i;
ichdev = &chip->ichd[aregs->ichd];
ichdev->ac97_rate_regs[0] = aregs->regs[0];
ichdev->ac97_rate_regs[1] = aregs->regs[1];
ichdev->ac97_rate_regs[2] = aregs->regs[2];
ichdev->ac97_rates_idx = aregs->rates_idx;
}
chip->in_ac97_init = 1;
memset(&ac97, 0, sizeof(ac97));
ac97.private_data = chip;
ac97.private_free = snd_intel8x0_mixer_free_ac97;
if (ac97_clock >= 8000 && ac97_clock <= 48000)
ac97.clock = ac97_clock;
else
ac97.clock = 48000;
if (chip->device_type != DEVICE_ALI) {
glob_sta = igetdword(chip, ICHREG(GLOB_STA));
ac97.write = snd_intel8x0_codec_write;
ac97.read = snd_intel8x0_codec_read;
if (chip->device_type == DEVICE_INTEL_ICH4) {
codecs = 0;
if (glob_sta & ICH_PCR)
codecs++;
if (glob_sta & ICH_SCR)
codecs++;
if (glob_sta & ICH_TCR)
codecs++;
chip->in_sdin_init = 1;
for (i = 0; i < codecs; i++) {
ac97.num = i;
snd_intel8x0_codec_read(&ac97, 0);
chip->ac97_sdin[i] = igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
}
ac97.num = 0;
chip->in_sdin_init = 0;
} else {
codecs = glob_sta & ICH_SCR ? 2 : 1;
}
} else {
ac97.write = snd_intel8x0_ali_codec_write;
ac97.read = snd_intel8x0_ali_codec_read;
codecs = 1;
/* detect the secondary codec */
for (i = 0; i < 100; i++) {
unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
if (reg & 0x40) {
codecs = 2;
break;
}
iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
udelay(1);
}
}
ac97.pci = chip->pci;
if ((err = snd_ac97_mixer(chip->card, &ac97, &x97)) < 0) {
/* 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;
}
chip->ac97[0] = x97;
/* tune up the primary codec */
snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks);
/* the following three entries are common among all devices */
chip->ichd[ICHD_PCMOUT].ac97 = x97;
chip->ichd[ICHD_PCMIN].ac97 = x97;
if (x97->ext_id & AC97_EI_VRM)
chip->ichd[ICHD_MIC].ac97 = x97;
/* spdif */
if ((x97->ext_id & AC97_EI_SPDIF) && spdif_idx >= 0)
chip->ichd[spdif_idx].ac97 = x97;
/* make sure, that we have DACs at right slot for rev2.2 */
if (ac97_is_rev22(x97))
snd_ac97_update_bits(x97, AC97_EXTENDED_ID, AC97_EI_DACS_SLOT_MASK, 0);
/* AnalogDevices CNR boards uses special codec chaining */
/* skip standard test method for secondary codecs in this case */
if (x97->flags & AC97_AD_MULTI)
codecs = 1;
if (codecs < 2)
goto __skip_secondary;
for (i = 1, num = 1, _codecs = codecs; num < _codecs; num++) {
ac97.num = num;
if ((err = snd_ac97_mixer(chip->card, &ac97, &x97)) < 0) {
snd_printk("Unable to initialize codec #%i [device = %i, GLOB_STA = 0x%x]\n", i, chip->device_type, glob_sta);
codecs--;
continue;
}
chip->ac97[i++] = x97;
if (!ac97_is_audio(x97))
continue;
switch (chip->device_type) {
case DEVICE_INTEL_ICH4:
if (chip->ichd[ICHD_PCM2IN].ac97 == NULL)
chip->ichd[ICHD_PCM2IN].ac97 = x97;
if (x97->ext_id & AC97_EI_VRM) {
if (chip->ichd[ICHD_MIC].ac97 == NULL)
chip->ichd[ICHD_MIC].ac97 = x97;
else if (chip->ichd[ICHD_MIC2].ac97 == NULL &&
chip->ichd[ICHD_PCM2IN].ac97 == x97)
chip->ichd[ICHD_MIC2].ac97 = x97;
}
break;
default:
if (x97->ext_id & AC97_EI_VRM) {
if (chip->ichd[ICHD_MIC].ac97 == NULL)
chip->ichd[ICHD_MIC].ac97 = x97;
}
break;
}
if ((x97->ext_id & AC97_EI_SPDIF) && spdif_idx >= 0) {
if (chip->ichd[spdif_idx].ac97 == NULL)
chip->ichd[spdif_idx].ac97 = x97;
}
}
__skip_secondary:
if (chip->device_type == DEVICE_INTEL_ICH4) {
u8 tmp = igetbyte(chip, ICHREG(SDM));
tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
if (chip->ichd[ICHD_PCM2IN].ac97) {
tmp |= ICH_SE; /* steer enable for multiple SDINs */
tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
tmp |= chip->ac97_sdin[chip->ichd[ICHD_PCM2IN].ac97->num] << ICH_DI2L_SHIFT;
} else {
tmp &= ~ICH_SE;
}
iputbyte(chip, ICHREG(SDM), tmp);
}
for (i = 0; i < codecs; i++) {
x97 = chip->ac97[i];
if (!ac97_is_audio(x97))
continue;
if (x97->scaps & AC97_SCAP_SURROUND_DAC)
chip->multi4 = 1;
}
for (i = 0; i < codecs && chip->multi4; i++) {
x97 = chip->ac97[i];
if (!ac97_is_audio(x97))
continue;
if (x97->scaps & AC97_SCAP_CENTER_LFE_DAC)
chip->multi6 = 1;
}
if (chip->device_type == DEVICE_ALI && chip->ac97[1]) {
/* set secondary codec id */
iputdword(chip, ICHREG(ALI_SSR),
(igetdword(chip, ICHREG(ALI_SSR)) & ~ICH_ALI_SS_SEC_ID) |
(chip->ac97[1]->addr << 5));
}
if (codecs > 1 && !chip->multi6) {
/* assign right slots for rev2.2 codecs */
i = 1;
for ( ; i < codecs && !chip->multi4; i++) {
x97 = chip->ac97[i];
if (!ac97_is_audio(x97))
continue;
if (ac97_is_rev22(x97)) {
snd_ac97_update_bits(x97, AC97_EXTENDED_ID, AC97_EI_DACS_SLOT_MASK, 1);
chip->multi4 = 1;
}
}
for ( ; i < codecs && chip->multi4; i++) {
x97 = chip->ac97[i];
if (!ac97_is_audio(x97))
continue;
if (ac97_is_rev22(x97)) {
snd_ac97_update_bits(x97, AC97_EXTENDED_ID, AC97_EI_DACS_SLOT_MASK, 2);
chip->multi6 = 1;
break;
}
}
/* ok, some older codecs might support only AMAP */
if (!chip->multi4) {
int cnums = 0;
for (i = 1; i < codecs; i++) {
x97 = chip->ac97[i];
if (!ac97_is_audio(x97))
continue;
if (ac97_can_amap(x97)) {
if (x97->addr > 0)
cnums++;
}
}
if (cnums >= 2)
chip->multi6 = 1;
if (cnums >= 1)
chip->multi4 = 1;
}
}
chip->in_ac97_init = 0;
return 0;
}
/*
*
*/
static void do_ali_reset(intel8x0_t *chip)
{
iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
iputdword(chip, ICHREG(ALI_INTERFACECR),
ICH_ALI_IF_MC|ICH_ALI_IF_PI|ICH_ALI_IF_PO);
iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
}
#define do_delay(chip) do {\
set_current_state(TASK_UNINTERRUPTIBLE);\
schedule_timeout(1);\
} while (0)
static int snd_intel8x0_ich_chip_init(intel8x0_t *chip, int probing)
{
unsigned long end_time;
unsigned int cnt, status, nstatus;
/* 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);
/* 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)
goto __ok;
do_delay(chip);
} while (time_after_eq(end_time, jiffies));
snd_printk("AC'97 warm reset still in progress? [0x%x]\n", igetdword(chip, ICHREG(GLOB_CNT)));
return -EIO;
__ok:
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)) & (ICH_PCR | ICH_SCR | ICH_TCR);
if (status)
break;
do_delay(chip);
} while (time_after_eq(end_time, jiffies));
if (! status) {
/* no codec is found */
snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", igetdword(chip, ICHREG(GLOB_STA)));
return -EIO;
}
if (chip->device_type == DEVICE_INTEL_ICH4)
/* ICH4 can have three codecs */
nstatus = ICH_PCR | ICH_SCR | ICH_TCR;
else
/* others up to two codecs */
nstatus = ICH_PCR | ICH_SCR;
/* wait for other codecs ready status. */
end_time = jiffies + HZ / 4;
while (status != nstatus && time_after_eq(end_time, jiffies)) {
do_delay(chip);
status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus;
}
} else {
/* resume phase */
int i;
status = 0;
for (i = 0; i < 3; i++)
if (chip->ac97[i])
status |= get_ich_codec_bit(chip, i);
/* wait until all the probed codecs are ready */
end_time = jiffies + HZ;
do {
nstatus = igetdword(chip, ICHREG(GLOB_STA)) & (ICH_PCR | ICH_SCR | ICH_TCR);
if (status == nstatus)
break;
do_delay(chip);
} while (time_after_eq(end_time, jiffies));
}
if (chip->device_type == DEVICE_SIS) {
/* unmute the output on SIS7012 */
iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
}
if (chip->device_type == DEVICE_NFORCE) {
/* enable SPDIF interrupt */
unsigned int val;
pci_read_config_dword(chip->pci, 0x4c, &val);
val |= 0x1000000;
pci_write_config_dword(chip->pci, 0x4c, val);
}
return 0;
}
static int snd_intel8x0_ali_chip_init(intel8x0_t *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 &= ~0x80000000; /* 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;
do_delay(chip);
}
snd_printk(KERN_ERR "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 & 0x80) /* primary codec */
break;
iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
do_delay(chip);
}
do_ali_reset(chip);
return 0;
}
static int snd_intel8x0_chip_init(intel8x0_t *chip, int probing)
{
unsigned int i;
int err;
if (chip->device_type != DEVICE_ALI) {
if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
return err;
iagetword(chip, 0); /* clear semaphore flag */
} else {
if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
return err;
}
/* disable interrupts */
for (i = 0; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
/* reset channels */
for (i = 0; i < chip->bdbars_count; i++)
iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
/* 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 int snd_intel8x0_free(intel8x0_t *chip)
{
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, 0x00);
/* 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) {
/* stop the spdif interrupt */
unsigned int val;
pci_read_config_dword(chip->pci, 0x4c, &val);
val &= ~0x1000000;
pci_write_config_dword(chip->pci, 0x4c, val);
}
/* --- */
synchronize_irq(chip->irq);
__hw_end:
if (chip->bdbars)
snd_free_pci_pages(chip->pci, chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, chip->bdbars, chip->bdbars_addr);
if (chip->remap_addr)
iounmap((void *) chip->remap_addr);
if (chip->remap_bmaddr)
iounmap((void *) chip->remap_bmaddr);
if (chip->res) {
release_resource(chip->res);
kfree_nocheck(chip->res);
}
if (chip->res_bm) {
release_resource(chip->res_bm);
kfree_nocheck(chip->res_bm);
}
if (chip->irq >= 0)
free_irq(chip->irq, (void *)chip);
snd_magic_kfree(chip);
return 0;
}
#ifdef CONFIG_PM
/*
* power management
*/
static void intel8x0_suspend(intel8x0_t *chip)
{
snd_card_t *card = chip->card;
int i;
if (chip->in_suspend ||
card->power_state == SNDRV_CTL_POWER_D3hot)
return;
chip->in_suspend = 1;
for (i = 0; i < chip->pcm_devs; i++)
snd_pcm_suspend_all(chip->pcm[i]);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
}
static void intel8x0_resume(intel8x0_t *chip)
{
snd_card_t *card = chip->card;
int i;
if (! chip->in_suspend ||
card->power_state == SNDRV_CTL_POWER_D0)
return;
pci_enable_device(chip->pci);
pci_set_master(chip->pci);
snd_intel8x0_chip_init(chip, 0);
for (i = 0; i < 3; i++)
if (chip->ac97[i])
snd_ac97_resume(chip->ac97[i]);
chip->in_suspend = 0;
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
}
static int snd_intel8x0_suspend(struct pci_dev *dev, u32 state)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, pci_get_drvdata(dev), return -ENXIO);
intel8x0_suspend(chip);
return 0;
}
static int snd_intel8x0_resume(struct pci_dev *dev)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, pci_get_drvdata(dev), return -ENXIO);
intel8x0_resume(chip);
return 0;
}
/* callback */
static int snd_intel8x0_set_power_state(snd_card_t *card, unsigned int power_state)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, card->power_state_private_data, return -ENXIO);
switch (power_state) {
case SNDRV_CTL_POWER_D0:
case SNDRV_CTL_POWER_D1:
case SNDRV_CTL_POWER_D2:
intel8x0_resume(chip);
break;
case SNDRV_CTL_POWER_D3hot:
case SNDRV_CTL_POWER_D3cold:
intel8x0_suspend(chip);
break;
default:
return -EINVAL;
}
return 0;
}
#endif /* CONFIG_PM */
#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */
static void __devinit intel8x0_measure_ac97_clock(intel8x0_t *chip)
{
snd_pcm_substream_t *subs;
ichdev_t *ichdev;
unsigned long port;
unsigned long pos, t;
unsigned long flags;
struct timeval start_time, stop_time;
if (chip->ac97[0]->clock != 48000)
return; /* specified in module option */
subs = chip->pcm[0]->streams[0].substream;
if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
snd_printk("no playback buffer allocated - aborting measure ac97 clock\n");
return;
}
ichdev = &chip->ichd[ICHD_PCMOUT];
ichdev->physbuf = subs->dma_buffer.addr;
ichdev->size = chip->ichd[ICHD_PCMOUT].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) {
snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97[0]->clock);
return;
}
snd_intel8x0_setup_periods(chip, ichdev);
port = ichdev->reg_offset;
spin_lock_irqsave(&chip->reg_lock, flags);
/* 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);
}
do_gettimeofday(&start_time);
spin_unlock_irqrestore(&chip->reg_lock, flags);
#if 0
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ / 20);
#else
/* FIXME: schedule() can take too long time and overlap the boundary.. */
mdelay(50);
#endif
spin_lock_irqsave(&chip->reg_lock, flags);
/* check the position */
pos = ichdev->fragsize1;
pos -= igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift;
pos += ichdev->position;
do_gettimeofday(&stop_time);
/* stop */
if (chip->device_type == DEVICE_ALI) {
iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 8));
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_irqrestore(&chip->reg_lock, flags);
t = stop_time.tv_sec - start_time.tv_sec;
t *= 1000000;
if (stop_time.tv_usec < start_time.tv_usec)
t -= start_time.tv_usec - stop_time.tv_usec;
else
t += stop_time.tv_usec - start_time.tv_usec;
if (t == 0) {
snd_printk(KERN_ERR "?? calculation error..\n");
return;
}
pos = (pos / 4) * 1000;
pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
if (pos < 40000 || pos >= 60000)
/* abnormal value. hw problem? */
printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
else if (pos < 47500 || pos > 48500)
/* not 48000Hz, tuning the clock.. */
chip->ac97[0]->clock = (chip->ac97[0]->clock * 48000) / pos;
printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97[0]->clock);
}
static void snd_intel8x0_proc_read(snd_info_entry_t * entry,
snd_info_buffer_t * buffer)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, entry->private_data, return);
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 :%s%s%s%s\n",
tmp & ICH_PCR ? " primary" : "",
tmp & ICH_SCR ? " secondary" : "",
tmp & ICH_TCR ? " tertiary" : "",
(tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : "");
if (chip->device_type == DEVICE_INTEL_ICH4)
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 __devinit snd_intel8x0_proc_init(intel8x0_t * chip)
{
snd_info_entry_t *entry;
if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
}
static int snd_intel8x0_dev_free(snd_device_t *device)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, device->device_data, return -ENXIO);
return snd_intel8x0_free(chip);
}
struct ich_reg_info {
unsigned int int_sta_mask;
unsigned int offset;
};
static int __devinit snd_intel8x0_create(snd_card_t * card,
struct pci_dev *pci,
unsigned long device_type,
intel8x0_t ** r_intel8x0)
{
intel8x0_t *chip;
int err;
unsigned int i;
unsigned int int_sta_masks;
ichdev_t *ichdev;
static snd_device_ops_t ops = {
.dev_free = snd_intel8x0_dev_free,
};
static unsigned int bdbars[] = {
3, /* DEVICE_INTEL */
6, /* DEVICE_INTEL_ICH4 */
3, /* DEVICE_SIS */
6, /* DEVICE_ALI */
4, /* DEVICE_NFORCE */
};
static struct ich_reg_info intel_regs[6] = {
{ ICH_PIINT, 0 },
{ ICH_POINT, 0x10 },
{ ICH_MCINT, 0x20 },
{ ICH_M2INT, 0x40 },
{ ICH_P2INT, 0x50 },
{ ICH_SPINT, 0x60 },
};
static struct ich_reg_info nforce_regs[4] = {
{ ICH_PIINT, 0 },
{ ICH_POINT, 0x10 },
{ ICH_MCINT, 0x20 },
{ ICH_NVSPINT, 0x70 },
};
static struct ich_reg_info ali_regs[6] = {
{ ALI_INT_PCMIN, 0x40 },
{ ALI_INT_PCMOUT, 0x50 },
{ ALI_INT_MICIN, 0x60 },
{ ALI_INT_CODECSPDIFOUT, 0x70 },
{ ALI_INT_SPDIFIN, 0xa0 },
{ ALI_INT_SPDIFOUT, 0xb0 },
};
struct ich_reg_info *tbl;
*r_intel8x0 = NULL;
if ((err = pci_enable_device(pci)) < 0)
return err;
chip = snd_magic_kcalloc(intel8x0_t, 0, GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
spin_lock_init(&chip->reg_lock);
spin_lock_init(&chip->ac97_lock);
chip->device_type = device_type;
chip->card = card;
chip->pci = pci;
chip->irq = -1;
snd_intel8x0_proc_init(chip);
sprintf(chip->ac97_name, "%s - AC'97", card->shortname);
sprintf(chip->ctrl_name, "%s - Controller", card->shortname);
if (device_type == DEVICE_ALI) {
/* ALI5455 has no ac97 region */
chip->bmaddr = pci_resource_start(pci, 0);
if ((chip->res_bm = request_region(chip->bmaddr, 256, chip->ctrl_name)) == NULL) {
snd_printk("unable to grab ports 0x%lx-0x%lx\n", chip->bmaddr, chip->bmaddr + 64 - 1);
snd_intel8x0_free(chip);
return -EBUSY;
}
goto port_inited;
}
if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) { /* ICH4 and Nforce */
chip->mmio = 1;
chip->addr = pci_resource_start(pci, 2);
if ((chip->res = request_mem_region(chip->addr, 512, chip->ac97_name)) == NULL) {
snd_printk("unable to grab I/O memory 0x%lx-0x%lx\n", chip->addr, chip->addr + 512 - 1);
snd_intel8x0_free(chip);
return -EBUSY;
}
chip->remap_addr = (unsigned long) ioremap_nocache(chip->addr, 512);
if (chip->remap_addr == 0) {
snd_printk("AC'97 space ioremap problem\n");
snd_intel8x0_free(chip);
return -EIO;
}
} else {
chip->addr = pci_resource_start(pci, 0);
if ((chip->res = request_region(chip->addr, 256, chip->ac97_name)) == NULL) {
snd_printk("unable to grab ports 0x%lx-0x%lx\n", chip->addr, chip->addr + 256 - 1);
snd_intel8x0_free(chip);
return -EBUSY;
}
}
if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) { /* ICH4 */
chip->bm_mmio = 1;
chip->bmaddr = pci_resource_start(pci, 3);
if ((chip->res_bm = request_mem_region(chip->bmaddr, 256, chip->ctrl_name)) == NULL) {
snd_printk("unable to grab I/O memory 0x%lx-0x%lx\n", chip->bmaddr, chip->bmaddr + 512 - 1);
snd_intel8x0_free(chip);
return -EBUSY;
}
chip->remap_bmaddr = (unsigned long) ioremap_nocache(chip->bmaddr, 256);
if (chip->remap_bmaddr == 0) {
snd_printk("Controller space ioremap problem\n");
snd_intel8x0_free(chip);
return -EIO;
}
} else {
chip->bmaddr = pci_resource_start(pci, 1);
if ((chip->res_bm = request_region(chip->bmaddr, 64, chip->ctrl_name)) == NULL) {
snd_printk("unable to grab ports 0x%lx-0x%lx\n", chip->bmaddr, chip->bmaddr + 64 - 1);
snd_intel8x0_free(chip);
return -EBUSY;
}
}
port_inited:
if (request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip)) {
snd_printk("unable to grab IRQ %d\n", pci->irq);
snd_intel8x0_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
pci_set_master(pci);
synchronize_irq(chip->irq);
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 - 0x40) / 0x10;
}
/* SIS7012 handles the pcm data in bytes, others are in words */
chip->pcm_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 = (u32 *)snd_malloc_pci_pages(pci, chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, &chip->bdbars_addr);
if (chip->bdbars == NULL) {
snd_intel8x0_free(chip);
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 = chip->bdbars + (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;
if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
snd_intel8x0_free(chip);
return err;
}
#ifdef CONFIG_PM
card->set_power_state = snd_intel8x0_set_power_state;
card->power_state_private_data = chip;
#endif
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
snd_intel8x0_free(chip);
return err;
}
*r_intel8x0 = chip;
return 0;
}
static struct shortname_table {
unsigned int id;
const char *s;
} shortnames[] __devinitdata = {
{ PCI_DEVICE_ID_INTEL_82801, "Intel 82801AA-ICH" },
{ PCI_DEVICE_ID_INTEL_82901, "Intel 82901AB-ICH0" },
{ PCI_DEVICE_ID_INTEL_82801BA, "Intel 82801BA-ICH2" },
{ PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
{ PCI_DEVICE_ID_INTEL_ICH3, "Intel 82801CA-ICH3" },
{ PCI_DEVICE_ID_INTEL_ICH4, "Intel 82801DB-ICH4" },
{ PCI_DEVICE_ID_INTEL_ICH5, "Intel ICH5" },
{ PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
{ PCI_DEVICE_ID_NVIDIA_MCP_AUDIO, "NVidia nForce" },
{ PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
{ PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
{ 0x746d, "AMD AMD8111" },
{ 0x7445, "AMD AMD768" },
{ 0x5455, "ALi M5455" },
{ 0, 0 },
};
static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
static int dev;
snd_card_t *card;
intel8x0_t *chip;
int err;
struct shortname_table *name;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
if (card == NULL)
return -ENOMEM;
switch (pci_id->driver_data) {
case DEVICE_NFORCE:
strcpy(card->driver, "NFORCE");
break;
default:
strcpy(card->driver, "ICH");
break;
}
strcpy(card->shortname, "Intel ICH");
for (name = shortnames; name->id; name++) {
if (pci->device == name->id) {
strcpy(card->shortname, name->s);
break;
}
}
card->dev = &pci->dev;
if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data, &chip)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_intel8x0_mixer(chip, ac97_clock[dev])) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_intel8x0_pcm(chip)) < 0) {
snd_card_free(card);
return err;
}
if (mpu_port[dev] == 0x300 || mpu_port[dev] == 0x330) {
if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_INTEL8X0,
mpu_port[dev], 0,
-1, 0, &chip->rmidi)) < 0) {
printk(KERN_ERR "intel8x0: no UART401 device at 0x%x, skipping.\n", mpu_port[dev]);
mpu_port[dev] = 0;
}
} else
mpu_port[dev] = 0;
sprintf(card->longname, "%s at 0x%lx, irq %i",
card->shortname, chip->addr, chip->irq);
if (! ac97_clock[dev])
intel8x0_measure_ac97_clock(chip);
if ((err = snd_card_register(card)) < 0) {
snd_card_free(card);
return err;
}
pci_set_drvdata(pci, chip);
dev++;
return 0;
}
static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
{
intel8x0_t *chip = snd_magic_cast(intel8x0_t, pci_get_drvdata(pci), return);
if (chip)
snd_card_free(chip->card);
pci_set_drvdata(pci, NULL);
}
static struct pci_driver driver = {
.name = "Intel ICH",
.id_table = snd_intel8x0_ids,
.probe = snd_intel8x0_probe,
.remove = __devexit_p(snd_intel8x0_remove),
#ifdef CONFIG_PM
.suspend = snd_intel8x0_suspend,
.resume = snd_intel8x0_resume,
#endif
};
#if defined(SUPPORT_JOYSTICK) || defined(SUPPORT_MIDI)
/*
* initialize joystick/midi addresses
*/
static int __devinit snd_intel8x0_joystick_probe(struct pci_dev *pci,
const struct pci_device_id *id)
{
static int dev;
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
dev++;
return -ENOENT;
}
if (joystick_port[dev] > 0 || mpu_port[dev] > 0) {
u16 val;
pci_read_config_word(pci, 0xe6, &val);
if (joystick_port[dev] > 0)
val |= 0x100;
if (mpu_port[dev] == 0x300 || mpu_port[dev] == 0x330)
val |= 0x20;
pci_write_config_word(pci, 0xe6, val | 0x100);
if (mpu_port[dev] == 0x300 || mpu_port[dev] == 0x330) {
u8 b;
pci_read_config_byte(pci, 0xe2, &b);
if (mpu_port[dev] == 0x300)
b |= 0x08;
else
b &= ~0x08;
pci_write_config_byte(pci, 0xe2, b);
}
}
return 0;
}
static struct pci_device_id snd_intel8x0_joystick_ids[] = {
{ 0x8086, 0x2410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 82801AA */
{ 0x8086, 0x2420, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 82901AB */
{ 0x8086, 0x2440, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* ICH2 */
{ 0x8086, 0x244c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* ICH2M */
{ 0x8086, 0x248c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* ICH3 */
// { 0x8086, 0x7195, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* 440MX */
// { 0x1039, 0x7012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* SI7012 */
{ 0x10de, 0x01b2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* NFORCE */
{ 0x10de, 0x006b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* NFORCE2 */
{ 0x10de, 0x00db, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* NFORCE3 */
{ 0, }
};
static struct pci_driver joystick_driver = {
.name = "Intel ICH Joystick",
.id_table = snd_intel8x0_joystick_ids,
.probe = snd_intel8x0_joystick_probe,
};
static int have_joystick;
#endif
static int __init alsa_card_intel8x0_init(void)
{
int err;
if ((err = pci_module_init(&driver)) < 0) {
#ifdef MODULE
printk(KERN_ERR "Intel ICH soundcard not found or device busy\n");
#endif
return err;
}
#if defined(SUPPORT_JOYSTICK) || defined(SUPPORT_MIDI)
if (pci_module_init(&joystick_driver) < 0) {
snd_printdd(KERN_INFO "no joystick found\n");
have_joystick = 0;
} else {
snd_printdd(KERN_INFO "joystick(s) found\n");
have_joystick = 1;
}
#endif
return 0;
}
static void __exit alsa_card_intel8x0_exit(void)
{
pci_unregister_driver(&driver);
#if defined(SUPPORT_JOYSTICK) || defined(SUPPORT_MIDI)
if (have_joystick)
pci_unregister_driver(&joystick_driver);
#endif
}
module_init(alsa_card_intel8x0_init)
module_exit(alsa_card_intel8x0_exit)
#ifndef MODULE
/* format is: snd-intel8x0=enable,index,id,ac97_clock */
static int __init alsa_card_intel8x0_setup(char *str)
{
static unsigned __initdata nr_dev = 0;
if (nr_dev >= SNDRV_CARDS)
return 0;
(void)(get_option(&str,&enable[nr_dev]) == 2 &&
get_option(&str,&index[nr_dev]) == 2 &&
get_id(&str,&id[nr_dev]) == 2 &&
get_option(&str,&ac97_clock[nr_dev]) == 2);
nr_dev++;
return 1;
}
__setup("snd-intel8x0=", alsa_card_intel8x0_setup);
#endif /* ifndef MODULE */
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