Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 2319 deletions

diff --git a/ANDROID_3.4.5/sound/pci/ali5451/ali5451.c b/ANDROID_3.4.5/sound/pci/ali5451/ali5451.c
deleted file mode 100644
index bdd6164e..00000000
--- a/ANDROID_3.4.5/sound/pci/ali5451/ali5451.c
+++ /dev/null
@@ -1,2319 +0,0 @@
-/*
- *  Matt Wu <Matt_Wu@acersoftech.com.cn>
- *  Apr 26, 2001
- *  Routines for control of ALi pci audio M5451
- *
- *  BUGS:
- *    --
- *
- *  TODO:
- *    --
- *
- *   This program is free software; you can redistribute it and/or modify
- *   it under the terms of the GNU General Public Lcodecnse as published by
- *   the Free Software Foundation; either version 2 of the Lcodecnse, 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 Lcodecnse for more details.
- *
- *   You should have received a copy of the GNU General Public Lcodecnse
- *   along with this program; if not, write to the Free Software
- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- *
- */
-
-#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 <linux/module.h>
-#include <linux/dma-mapping.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/info.h>
-#include <sound/ac97_codec.h>
-#include <sound/mpu401.h>
-#include <sound/initval.h>
-
-MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
-MODULE_DESCRIPTION("ALI M5451");
-MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{ALI,M5451,pci},{ALI,M5451}}");
-
-static int index = SNDRV_DEFAULT_IDX1;	/* Index */
-static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */
-static int pcm_channels = 32;
-static bool spdif;
-
-module_param(index, int, 0444);
-MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
-module_param(id, charp, 0444);
-MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
-module_param(pcm_channels, int, 0444);
-MODULE_PARM_DESC(pcm_channels, "PCM Channels");
-module_param(spdif, bool, 0444);
-MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
-
-/* just for backward compatibility */
-static bool enable;
-module_param(enable, bool, 0444);
-
-
-/*
- *  Debug part definitions
- */
-
-/* #define ALI_DEBUG */
-
-#ifdef ALI_DEBUG
-#define snd_ali_printk(format, args...) printk(KERN_DEBUG format, ##args);
-#else
-#define snd_ali_printk(format, args...)
-#endif
-
-/*
- *  Constants definition
- */
-
-#define DEVICE_ID_ALI5451	((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
-
-
-#define ALI_CHANNELS		32
-
-#define ALI_PCM_IN_CHANNEL	31
-#define ALI_SPDIF_IN_CHANNEL	19
-#define ALI_SPDIF_OUT_CHANNEL	15
-#define ALI_CENTER_CHANNEL	24
-#define ALI_LEF_CHANNEL		23
-#define ALI_SURR_LEFT_CHANNEL	26
-#define ALI_SURR_RIGHT_CHANNEL	25
-#define ALI_MODEM_IN_CHANNEL    21
-#define ALI_MODEM_OUT_CHANNEL   20
-
-#define	SNDRV_ALI_VOICE_TYPE_PCM	01
-#define SNDRV_ALI_VOICE_TYPE_OTH	02
-
-#define	ALI_5451_V02		0x02
-
-/*
- *  Direct Registers
- */
-
-#define ALI_LEGACY_DMAR0        0x00  /* ADR0 */
-#define ALI_LEGACY_DMAR4        0x04  /* CNT0 */
-#define ALI_LEGACY_DMAR11       0x0b  /* MOD  */
-#define ALI_LEGACY_DMAR15       0x0f  /* MMR  */
-#define ALI_MPUR0		0x20
-#define ALI_MPUR1		0x21
-#define ALI_MPUR2		0x22
-#define ALI_MPUR3		0x23
-
-#define	ALI_AC97_WRITE		0x40
-#define ALI_AC97_READ		0x44
-
-#define ALI_SCTRL		0x48
-#define   ALI_SPDIF_OUT_ENABLE		0x20
-#define   ALI_SCTRL_LINE_IN2		(1 << 9)
-#define   ALI_SCTRL_GPIO_IN2		(1 << 13)
-#define   ALI_SCTRL_LINE_OUT_EN 	(1 << 20)
-#define   ALI_SCTRL_GPIO_OUT_EN 	(1 << 23)
-#define   ALI_SCTRL_CODEC1_READY	(1 << 24)
-#define   ALI_SCTRL_CODEC2_READY	(1 << 25)
-#define ALI_AC97_GPIO		0x4c
-#define   ALI_AC97_GPIO_ENABLE		0x8000
-#define   ALI_AC97_GPIO_DATA_SHIFT	16
-#define ALI_SPDIF_CS		0x70
-#define ALI_SPDIF_CTRL		0x74
-#define   ALI_SPDIF_IN_FUNC_ENABLE	0x02
-#define   ALI_SPDIF_IN_CH_STATUS	0x40
-#define   ALI_SPDIF_OUT_CH_STATUS	0xbf
-#define ALI_START		0x80
-#define ALI_STOP		0x84
-#define ALI_CSPF		0x90
-#define ALI_AINT		0x98
-#define ALI_GC_CIR		0xa0
-	#define ENDLP_IE		0x00001000
-	#define MIDLP_IE		0x00002000
-#define ALI_AINTEN		0xa4
-#define ALI_VOLUME		0xa8
-#define ALI_SBDELTA_DELTA_R     0xac
-#define ALI_MISCINT		0xb0
-	#define ADDRESS_IRQ		0x00000020
-	#define TARGET_REACHED		0x00008000
-	#define MIXER_OVERFLOW		0x00000800
-	#define MIXER_UNDERFLOW		0x00000400
-	#define GPIO_IRQ		0x01000000
-#define ALI_SBBL_SBCL           0xc0
-#define ALI_SBCTRL_SBE2R_SBDD   0xc4
-#define ALI_STIMER		0xc8
-#define ALI_GLOBAL_CONTROL	0xd4
-#define   ALI_SPDIF_OUT_SEL_PCM		0x00000400 /* bit 10 */
-#define   ALI_SPDIF_IN_SUPPORT		0x00000800 /* bit 11 */
-#define   ALI_SPDIF_OUT_CH_ENABLE	0x00008000 /* bit 15 */
-#define   ALI_SPDIF_IN_CH_ENABLE	0x00080000 /* bit 19 */
-#define   ALI_PCM_IN_ENABLE		0x80000000 /* bit 31 */
-
-#define ALI_CSO_ALPHA_FMS	0xe0
-#define ALI_LBA			0xe4
-#define ALI_ESO_DELTA		0xe8
-#define ALI_GVSEL_PAN_VOC_CTRL_EC	0xf0
-#define ALI_EBUF1		0xf4
-#define ALI_EBUF2		0xf8
-
-#define ALI_REG(codec, x) ((codec)->port + x)
-
-#define MAX_CODECS 2
-
-
-struct snd_ali;
-struct snd_ali_voice;
-
-struct snd_ali_channel_control {
-	/* register data */
-	struct REGDATA {
-		unsigned int start;
-		unsigned int stop;
-		unsigned int aint;
-		unsigned int ainten;
-	} data;
-		
-	/* register addresses */
-	struct REGS {
-		unsigned int start;
-		unsigned int stop;
-		unsigned int aint;
-		unsigned int ainten;
-		unsigned int ac97read;
-		unsigned int ac97write;
-	} regs;
-
-};
-
-struct snd_ali_voice {
-	unsigned int number;
-	unsigned int use :1,
-		pcm :1,
-		midi :1,
-		mode :1,
-		synth :1,
-		running :1;
-
-	/* PCM data */
-	struct snd_ali *codec;
-	struct snd_pcm_substream *substream;
-	struct snd_ali_voice *extra;
-	
-	int eso;                /* final ESO value for channel */
-	int count;              /* runtime->period_size */
-
-	/* --- */
-
-	void *private_data;
-	void (*private_free)(void *private_data);
-};
-
-
-struct snd_alidev {
-
-	struct snd_ali_voice voices[ALI_CHANNELS];	
-
-	unsigned int	chcnt;			/* num of opened channels */
-	unsigned int	chmap;			/* bitmap for opened channels */
-	unsigned int synthcount;
-
-};
-
-
-#define ALI_GLOBAL_REGS		56
-#define ALI_CHANNEL_REGS	8
-struct snd_ali_image {
-	u32 regs[ALI_GLOBAL_REGS];
-	u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
-};
-
-
-struct snd_ali {
-	int		irq;
-	unsigned long	port;
-	unsigned char	revision;
-
-	unsigned int hw_initialized :1;
-	unsigned int spdif_support :1;
-
-	struct pci_dev	*pci;
-	struct pci_dev	*pci_m1533;
-	struct pci_dev	*pci_m7101;
-
-	struct snd_card	*card;
-	struct snd_pcm	*pcm[MAX_CODECS];
-	struct snd_alidev	synth;
-	struct snd_ali_channel_control chregs;
-
-	/* S/PDIF Mask */
-	unsigned int	spdif_mask;
-
-	unsigned int spurious_irq_count;
-	unsigned int spurious_irq_max_delta;
-
-	unsigned int num_of_codecs;
-
-	struct snd_ac97_bus *ac97_bus;
-	struct snd_ac97 *ac97[MAX_CODECS];
-	unsigned short	ac97_ext_id;
-	unsigned short	ac97_ext_status;
-
-	spinlock_t	reg_lock;
-	spinlock_t	voice_alloc;
-
-#ifdef CONFIG_PM
-	struct snd_ali_image *image;
-#endif
-};
-
-static DEFINE_PCI_DEVICE_TABLE(snd_ali_ids) = {
-	{PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
-	{0, }
-};
-MODULE_DEVICE_TABLE(pci, snd_ali_ids);
-
-static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
-static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
-static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
-			       unsigned short);
-
-/*
- *  AC97 ACCESS
- */
-
-static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
-					     unsigned int port)
-{
-	return (unsigned int)inl(ALI_REG(codec, port)); 
-}
-
-static inline void snd_ali_5451_poke(struct snd_ali *codec,
-				     unsigned int port,
-				     unsigned int val)
-{
-	outl((unsigned int)val, ALI_REG(codec, port));
-}
-
-static int snd_ali_codec_ready(struct snd_ali *codec,
-			       unsigned int port)
-{
-	unsigned long end_time;
-	unsigned int res;
-	
-	end_time = jiffies + msecs_to_jiffies(250);
-
-	for (;;) {
-		res = snd_ali_5451_peek(codec,port);
-		if (!(res & 0x8000))
-			return 0;
-		if (!time_after_eq(end_time, jiffies))
-			break;
-		schedule_timeout_uninterruptible(1);
-	}
-
-	snd_ali_5451_poke(codec, port, res & ~0x8000);
-	snd_printdd("ali_codec_ready: codec is not ready.\n ");
-	return -EIO;
-}
-
-static int snd_ali_stimer_ready(struct snd_ali *codec)
-{
-	unsigned long end_time;
-	unsigned long dwChk1,dwChk2;
-	
-	dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
-	end_time = jiffies + msecs_to_jiffies(250);
-
-	for (;;) {
-		dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
-		if (dwChk2 != dwChk1)
-			return 0;
-		if (!time_after_eq(end_time, jiffies))
-			break;
-		schedule_timeout_uninterruptible(1);
-	}
-
-	snd_printk(KERN_ERR "ali_stimer_read: stimer is not ready.\n");
-	return -EIO;
-}
-
-static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
-			       unsigned short reg,
-			       unsigned short val)
-{
-	unsigned int dwVal;
-	unsigned int port;
-
-	if (reg >= 0x80) {
-		snd_printk(KERN_ERR "ali_codec_poke: reg(%xh) invalid.\n", reg);
-		return;
-	}
-
-	port = codec->chregs.regs.ac97write;
-
-	if (snd_ali_codec_ready(codec, port) < 0)
-		return;
-	if (snd_ali_stimer_ready(codec) < 0)
-		return;
-
-	dwVal  = (unsigned int) (reg & 0xff);
-	dwVal |= 0x8000 | (val << 16);
-	if (secondary)
-		dwVal |= 0x0080;
-	if (codec->revision == ALI_5451_V02)
-		dwVal |= 0x0100;
-
-	snd_ali_5451_poke(codec, port, dwVal);
-
-	return ;
-}
-
-static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
-					 int secondary,
-					 unsigned short reg)
-{
-	unsigned int dwVal;
-	unsigned int port;
-
-	if (reg >= 0x80) {
-		snd_printk(KERN_ERR "ali_codec_peek: reg(%xh) invalid.\n", reg);
-		return ~0;
-	}
-
-	port = codec->chregs.regs.ac97read;
-
-	if (snd_ali_codec_ready(codec, port) < 0)
-		return ~0;
-	if (snd_ali_stimer_ready(codec) < 0)
-		return ~0;
-
-	dwVal  = (unsigned int) (reg & 0xff);
-	dwVal |= 0x8000;				/* bit 15*/
-	if (secondary)
-		dwVal |= 0x0080;
-
-	snd_ali_5451_poke(codec, port, dwVal);
-
-	if (snd_ali_stimer_ready(codec) < 0)
-		return ~0;
-	if (snd_ali_codec_ready(codec, port) < 0)
-		return ~0;
-	
-	return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
-}
-
-static void snd_ali_codec_write(struct snd_ac97 *ac97,
-				unsigned short reg,
-				unsigned short val )
-{
-	struct snd_ali *codec = ac97->private_data;
-
-	snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
-	if (reg == AC97_GPIO_STATUS) {
-		outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
-		     ALI_REG(codec, ALI_AC97_GPIO));
-		return;
-	}
-	snd_ali_codec_poke(codec, ac97->num, reg, val);
-	return ;
-}
-
-
-static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
-					 unsigned short reg)
-{
-	struct snd_ali *codec = ac97->private_data;
-
-	snd_ali_printk("codec_read reg=%xh.\n", reg);
-	return snd_ali_codec_peek(codec, ac97->num, reg);
-}
-
-/*
- *	AC97 Reset
- */
-
-static int snd_ali_reset_5451(struct snd_ali *codec)
-{
-	struct pci_dev *pci_dev;
-	unsigned short wCount, wReg;
-	unsigned int   dwVal;
-	
-	pci_dev = codec->pci_m1533;
-	if (pci_dev) {
-		pci_read_config_dword(pci_dev, 0x7c, &dwVal);
-		pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
-		udelay(5000);
-		pci_read_config_dword(pci_dev, 0x7c, &dwVal);
-		pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
-		udelay(5000);
-	}
-	
-	pci_dev = codec->pci;
-	pci_read_config_dword(pci_dev, 0x44, &dwVal);
-	pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
-	udelay(500);
-	pci_read_config_dword(pci_dev, 0x44, &dwVal);
-	pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
-	udelay(5000);
-	
-	wCount = 200;
-	while(wCount--) {
-		wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
-		if ((wReg & 0x000f) == 0x000f)
-			return 0;
-		udelay(5000);
-	}
-
-	/* non-fatal if you have a non PM capable codec */
-	/* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
-	return 0;
-}
-
-/*
- *  ALI 5451 Controller
- */
-
-static void snd_ali_enable_special_channel(struct snd_ali *codec,
-					   unsigned int channel)
-{
-	unsigned long dwVal;
-
-	dwVal  = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	dwVal |= 1 << (channel & 0x0000001f);
-	outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-}
-
-static void snd_ali_disable_special_channel(struct snd_ali *codec,
-					    unsigned int channel)
-{
-	unsigned long dwVal;
-
-	dwVal  = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	dwVal &= ~(1 << (channel & 0x0000001f));
-	outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-}
-
-static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
-{
-	unsigned int gc;
-
-	gc  = inl(ALI_REG(codec, ALI_GC_CIR));
-	gc |= ENDLP_IE;
-	gc |= MIDLP_IE;
-	outl( gc, ALI_REG(codec, ALI_GC_CIR));
-}
-
-static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
-{
-	unsigned int gc;
-
-	gc  = inl(ALI_REG(codec, ALI_GC_CIR));
-	gc &= ~ENDLP_IE;
-	gc &= ~MIDLP_IE;
-	outl(gc, ALI_REG(codec, ALI_GC_CIR));
-}
-
-static void snd_ali_disable_voice_irq(struct snd_ali *codec,
-				      unsigned int channel)
-{
-	unsigned int mask;
-	struct snd_ali_channel_control *pchregs = &(codec->chregs);
-
-	snd_ali_printk("disable_voice_irq channel=%d\n",channel);
-
-	mask = 1 << (channel & 0x1f);
-	pchregs->data.ainten  = inl(ALI_REG(codec, pchregs->regs.ainten));
-	pchregs->data.ainten &= ~mask;
-	outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
-}
-
-static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
-{
-	unsigned int idx =  channel & 0x1f;
-
-	if (codec->synth.chcnt >= ALI_CHANNELS){
-		snd_printk(KERN_ERR
-			   "ali_alloc_pcm_channel: no free channels.\n");
-		return -1;
-	}
-
-	if (!(codec->synth.chmap & (1 << idx))) {
-		codec->synth.chmap |= 1 << idx;
-		codec->synth.chcnt++;
-		snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
-		return idx;
-	}
-	return -1;
-}
-
-static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
-{
-	int idx;
-	int result = -1;
-
-	snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
-
-	/* recording */
-	if (rec) {
-		if (codec->spdif_support &&
-		    (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
-		     ALI_SPDIF_IN_SUPPORT))
-			idx = ALI_SPDIF_IN_CHANNEL;
-		else
-			idx = ALI_PCM_IN_CHANNEL;
-
-		result = snd_ali_alloc_pcm_channel(codec, idx);
-		if (result >= 0)
-			return result;
-		else {
-			snd_printk(KERN_ERR "ali_find_free_channel: "
-				   "record channel is busy now.\n");
-			return -1;
-		}
-	}
-
-	/* playback... */
-	if (codec->spdif_support &&
-	    (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
-	     ALI_SPDIF_OUT_CH_ENABLE)) {
-		idx = ALI_SPDIF_OUT_CHANNEL;
-		result = snd_ali_alloc_pcm_channel(codec, idx);
-		if (result >= 0)
-			return result;
-		else
-			snd_printk(KERN_ERR "ali_find_free_channel: "
-				   "S/PDIF out channel is in busy now.\n");
-	}
-
-	for (idx = 0; idx < ALI_CHANNELS; idx++) {
-		result = snd_ali_alloc_pcm_channel(codec, idx);
-		if (result >= 0)
-			return result;
-	}
-	snd_printk(KERN_ERR "ali_find_free_channel: no free channels.\n");
-	return -1;
-}
-
-static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
-{
-	unsigned int idx = channel & 0x0000001f;
-
-	snd_ali_printk("free_channel_pcm channel=%d\n",channel);
-
-	if (channel < 0 || channel >= ALI_CHANNELS)
-		return;
-
-	if (!(codec->synth.chmap & (1 << idx))) {
-		snd_printk(KERN_ERR "ali_free_channel_pcm: "
-			   "channel %d is not in use.\n", channel);
-		return;
-	} else {
-		codec->synth.chmap &= ~(1 << idx);
-		codec->synth.chcnt--;
-	}
-}
-
-static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
-{
-	unsigned int mask = 1 << (channel & 0x1f);
-
-	snd_ali_printk("stop_voice: channel=%d\n",channel);
-	outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
-}
-
-/*
- *    S/PDIF Part
- */
-
-static void snd_ali_delay(struct snd_ali *codec,int interval)
-{
-	unsigned long  begintimer,currenttimer;
-
-	begintimer   = inl(ALI_REG(codec, ALI_STIMER));
-	currenttimer = inl(ALI_REG(codec, ALI_STIMER));
-
-	while (currenttimer < begintimer + interval) {
-		if (snd_ali_stimer_ready(codec) < 0)
-			break;
-		currenttimer = inl(ALI_REG(codec,  ALI_STIMER));
-		cpu_relax();
-	}
-}
-
-static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
-{
-	u16 wval;
-	u16 count = 0;
-	u8  bval, R1 = 0, R2;
-
-	bval  = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
-	bval |= 0x1F;
-	outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
-
-	while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
-		count ++;
-		snd_ali_delay(codec, 6);
-		bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
-		R1 = bval & 0x1F;
-	}
-
-	if (count > 50000) {
-		snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
-		return;
-	}
-
-	for (count = 0; count <= 50000; count++) {
-		snd_ali_delay(codec, 6);
-		bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
-		R2 = bval & 0x1F;
-		if (R2 != R1)
-			R1 = R2;
-		else
-			break;
-	}
-
-	if (count > 50000) {
-		snd_printk(KERN_ERR "ali_detect_spdif_rate: timeout!\n");
-		return;
-	}
-
-	if (R2 >= 0x0b && R2 <= 0x0e) {
-		wval  = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
-		wval &= 0xe0f0;
-		wval |= (0x09 << 8) | 0x05;
-		outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
-
-		bval  = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
-		outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
-	} else if (R2 == 0x12) {
-		wval  = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
-		wval &= 0xe0f0;
-		wval |= (0x0e << 8) | 0x08;
-		outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
-
-		bval  = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
-		outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
-	}
-}
-
-static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
-{
-	u32	dwRate;
-	u8	bval;
-
-	bval  = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
-	bval &= 0x7f;
-	bval |= 0x40;
-	outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
-
-	snd_ali_detect_spdif_rate(codec);
-
-	bval  = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
-	bval &= 0x0f;
-
-	switch (bval) {
-	case 0: dwRate = 44100; break;
-	case 1: dwRate = 48000; break;
-	case 2: dwRate = 32000; break;
-	default: dwRate = 0; break;
-	}
-
-	return dwRate;
-}
-
-static void snd_ali_enable_spdif_in(struct snd_ali *codec)
-{	
-	unsigned int dwVal;
-
-	dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	dwVal |= ALI_SPDIF_IN_SUPPORT;
-	outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-
-	dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
-	dwVal |= 0x02;
-	outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
-
-	snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
-}
-
-static void snd_ali_disable_spdif_in(struct snd_ali *codec)
-{
-	unsigned int dwVal;
-	
-	dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	dwVal &= ~ALI_SPDIF_IN_SUPPORT;
-	outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	
-	snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);	
-}
-
-
-static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
-{
-	unsigned char  bVal;
-	unsigned int  dwRate;
-	
-	switch (rate) {
-	case 32000: dwRate = 0x300; break;
-	case 48000: dwRate = 0x200; break;
-	default: dwRate = 0; break;
-	}
-	
-	bVal  = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
-	bVal &= (unsigned char)(~(1<<6));
-	
-	bVal |= 0x80;		/* select right */
-	outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
-	outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
-	
-	bVal &= ~0x80;	/* select left */
-	outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
-	outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
-}
-
-static void snd_ali_enable_spdif_out(struct snd_ali *codec)
-{
-	unsigned short wVal;
-	unsigned char bVal;
-        struct pci_dev *pci_dev;
-
-        pci_dev = codec->pci_m1533;
-        if (pci_dev == NULL)
-                return;
-        pci_read_config_byte(pci_dev, 0x61, &bVal);
-        bVal |= 0x40;
-        pci_write_config_byte(pci_dev, 0x61, bVal);
-        pci_read_config_byte(pci_dev, 0x7d, &bVal);
-        bVal |= 0x01;
-        pci_write_config_byte(pci_dev, 0x7d, bVal);
-
-        pci_read_config_byte(pci_dev, 0x7e, &bVal);
-        bVal &= (~0x20);
-        bVal |= 0x10;
-        pci_write_config_byte(pci_dev, 0x7e, bVal);
-
-	bVal = inb(ALI_REG(codec, ALI_SCTRL));
-	outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
-
-	bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
-	outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
-   
-	wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	wVal |= ALI_SPDIF_OUT_SEL_PCM;
-	outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
-}
-
-static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
-{
-	unsigned short wVal;
-
-	wVal  = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-   	wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
-   	outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-/*
-	wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
-	if (flag & ALI_SPDIF_OUT_NON_PCM)
-   		wVal |= 0x0002;
-	else	
-		wVal &= (~0x0002);
-   	outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
-*/
-	snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
-}
-
-static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
-{
-	unsigned short wVal;
-
-  	wVal  = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
-   	wVal |= ALI_SPDIF_OUT_SEL_PCM;
-   	outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-
-	snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
-}
-
-static void snd_ali_disable_spdif_out(struct snd_ali *codec)
-{
-	unsigned char  bVal;
-
-	bVal = inb(ALI_REG(codec, ALI_SCTRL));
-	outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
-
-	snd_ali_disable_spdif_chnout(codec);
-}
-
-static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
-{
-	struct snd_ali_voice *pvoice;
-	struct snd_pcm_runtime *runtime;
-	struct snd_ali_channel_control *pchregs;
-	unsigned int old, mask;
-#ifdef ALI_DEBUG
-	unsigned int temp, cspf;
-#endif
-
-	pchregs = &(codec->chregs);
-
-	/* check if interrupt occurred for channel */
-	old  = pchregs->data.aint;
-	mask = 1U << (channel & 0x1f);
-
-	if (!(old & mask))
-		return;
-
-	pvoice = &codec->synth.voices[channel];
-	runtime = pvoice->substream->runtime;
-
-	udelay(100);
-	spin_lock(&codec->reg_lock);
-
-	if (pvoice->pcm && pvoice->substream) {
-		/* pcm interrupt */
-#ifdef ALI_DEBUG
-		outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
-		temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
-		cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
-#endif
-		if (pvoice->running) {
-			snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",
-				       (u16)temp, cspf);
-			spin_unlock(&codec->reg_lock);
-			snd_pcm_period_elapsed(pvoice->substream);
-			spin_lock(&codec->reg_lock);
-		} else {
-			snd_ali_stop_voice(codec, channel);
-			snd_ali_disable_voice_irq(codec, channel);
-		}	
-	} else if (codec->synth.voices[channel].synth) {
-		/* synth interrupt */
-	} else if (codec->synth.voices[channel].midi) {
-		/* midi interrupt */
-	} else {
-		/* unknown interrupt */
-		snd_ali_stop_voice(codec, channel);
-		snd_ali_disable_voice_irq(codec, channel);
-	}
-	spin_unlock(&codec->reg_lock);
-	outl(mask,ALI_REG(codec,pchregs->regs.aint));
-	pchregs->data.aint = old & (~mask);
-}
-
-static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
-{
-	struct snd_ali 	*codec = dev_id;
-	int channel;
-	unsigned int audio_int;
-	struct snd_ali_channel_control *pchregs;
-
-	if (codec == NULL || !codec->hw_initialized)
-		return IRQ_NONE;
-
-	audio_int = inl(ALI_REG(codec, ALI_MISCINT));
-	if (!audio_int)
-		return IRQ_NONE;
-
-	pchregs = &(codec->chregs);
-	if (audio_int & ADDRESS_IRQ) {
-		/* get interrupt status for all channels */
-		pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
-		for (channel = 0; channel < ALI_CHANNELS; channel++)
-			snd_ali_update_ptr(codec, channel);
-	}
-	outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
-		ALI_REG(codec, ALI_MISCINT));
-
-	return IRQ_HANDLED;
-}
-
-
-static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
-						 int type, int rec, int channel)
-{
-	struct snd_ali_voice *pvoice;
-	int idx;
-
-	snd_ali_printk("alloc_voice: type=%d rec=%d\n", type, rec);
-
-	spin_lock_irq(&codec->voice_alloc);
-	if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
-		idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
-			snd_ali_find_free_channel(codec,rec);
-		if (idx < 0) {
-			snd_printk(KERN_ERR "ali_alloc_voice: err.\n");
-			spin_unlock_irq(&codec->voice_alloc);
-			return NULL;
-		}
-		pvoice = &(codec->synth.voices[idx]);
-		pvoice->codec = codec;
-		pvoice->use = 1;
-		pvoice->pcm = 1;
-		pvoice->mode = rec;
-		spin_unlock_irq(&codec->voice_alloc);
-		return pvoice;
-	}
-	spin_unlock_irq(&codec->voice_alloc);
-	return NULL;
-}
-
-
-static void snd_ali_free_voice(struct snd_ali * codec,
-			       struct snd_ali_voice *pvoice)
-{
-	void (*private_free)(void *);
-	void *private_data;
-
-	snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
-	if (!pvoice->use)
-		return;
-	snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
-	spin_lock_irq(&codec->voice_alloc);
-	private_free = pvoice->private_free;
-	private_data = pvoice->private_data;
-	pvoice->private_free = NULL;
-	pvoice->private_data = NULL;
-	if (pvoice->pcm)
-		snd_ali_free_channel_pcm(codec, pvoice->number);
-	pvoice->use = pvoice->pcm = pvoice->synth = 0;
-	pvoice->substream = NULL;
-	spin_unlock_irq(&codec->voice_alloc);
-	if (private_free)
-		private_free(private_data);
-}
-
-
-static void snd_ali_clear_voices(struct snd_ali *codec,
-				 unsigned int v_min,
-				 unsigned int v_max)
-{
-	unsigned int i;
-
-	for (i = v_min; i <= v_max; i++) {
-		snd_ali_stop_voice(codec, i);
-		snd_ali_disable_voice_irq(codec, i);
-	}
-}
-
-static void snd_ali_write_voice_regs(struct snd_ali *codec,
-			 unsigned int Channel,
-			 unsigned int LBA,
-			 unsigned int CSO,
-			 unsigned int ESO,
-			 unsigned int DELTA,
-			 unsigned int ALPHA_FMS,
-			 unsigned int GVSEL,
-			 unsigned int PAN,
-			 unsigned int VOL,
-			 unsigned int CTRL,
-			 unsigned int EC)
-{
-	unsigned int ctlcmds[4];
-	
-	outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
-
-	ctlcmds[0] =  (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
-	ctlcmds[1] =  LBA;
-	ctlcmds[2] =  (ESO << 16) | (DELTA & 0x0ffff);
-	ctlcmds[3] =  (GVSEL << 31) |
-		      ((PAN & 0x0000007f) << 24) |
-		      ((VOL & 0x000000ff) << 16) |
-		      ((CTRL & 0x0000000f) << 12) |
-		      (EC & 0x00000fff);
-
-	outb(Channel, ALI_REG(codec, ALI_GC_CIR));
-
-	outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
-	outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
-	outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
-	outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
-
-	outl(0x30000000, ALI_REG(codec, ALI_EBUF1));	/* Still Mode */
-	outl(0x30000000, ALI_REG(codec, ALI_EBUF2));	/* Still Mode */
-}
-
-static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
-{
-	unsigned int delta;
-
-	if (rate < 4000)
-		rate = 4000;
-	if (rate > 48000)
-		rate = 48000;
-
-	if (rec) {
-		if (rate == 44100)
-			delta = 0x116a;
-		else if (rate == 8000)
-			delta = 0x6000;
-		else if (rate == 48000)
-			delta = 0x1000;
-		else
-			delta = ((48000 << 12) / rate) & 0x0000ffff;
-	} else {
-		if (rate == 44100)
-			delta = 0xeb3;
-		else if (rate == 8000)
-			delta = 0x2ab;
-		else if (rate == 48000)
-			delta = 0x1000;
-		else 
-			delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
-	}
-
-	return delta;
-}
-
-static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
-{
-	unsigned int CTRL;
-	struct snd_pcm_runtime *runtime = substream->runtime;
-
-	/* set ctrl mode
-	   CTRL default: 8-bit (unsigned) mono, loop mode enabled
-	 */
-	CTRL = 0x00000001;
-	if (snd_pcm_format_width(runtime->format) == 16)
-		CTRL |= 0x00000008;	/* 16-bit data */
-	if (!snd_pcm_format_unsigned(runtime->format))
-		CTRL |= 0x00000002;	/* signed data */
-	if (runtime->channels > 1)
-		CTRL |= 0x00000004;	/* stereo data */
-	return CTRL;
-}
-
-/*
- *  PCM part
- */
-
-static int snd_ali_trigger(struct snd_pcm_substream *substream,
-			       int cmd)
-				    
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_substream *s;
-	unsigned int what, whati, capture_flag;
-	struct snd_ali_voice *pvoice, *evoice;
-	unsigned int val;
-	int do_start;
-
-	switch (cmd) {
-	case SNDRV_PCM_TRIGGER_START:
-	case SNDRV_PCM_TRIGGER_RESUME:
-		do_start = 1;
-		break;
-	case SNDRV_PCM_TRIGGER_STOP:
-	case SNDRV_PCM_TRIGGER_SUSPEND:
-		do_start = 0;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	what = whati = capture_flag = 0;
-	snd_pcm_group_for_each_entry(s, substream) {
-		if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
-			pvoice = s->runtime->private_data;
-			evoice = pvoice->extra;
-			what |= 1 << (pvoice->number & 0x1f);
-			if (evoice == NULL)
-				whati |= 1 << (pvoice->number & 0x1f);
-			else {
-				whati |= 1 << (evoice->number & 0x1f);
-				what |= 1 << (evoice->number & 0x1f);
-			}
-			if (do_start) {
-				pvoice->running = 1;
-				if (evoice != NULL)
-					evoice->running = 1;
-			} else {
-				pvoice->running = 0;
-				if (evoice != NULL)
-					evoice->running = 0;
-			}
-			snd_pcm_trigger_done(s, substream);
-			if (pvoice->mode)
-				capture_flag = 1;
-		}
-	}
-	spin_lock(&codec->reg_lock);
-	if (!do_start)
-		outl(what, ALI_REG(codec, ALI_STOP));
-	val = inl(ALI_REG(codec, ALI_AINTEN));
-	if (do_start)
-		val |= whati;
-	else
-		val &= ~whati;
-	outl(val, ALI_REG(codec, ALI_AINTEN));
-	if (do_start)
-		outl(what, ALI_REG(codec, ALI_START));
-	snd_ali_printk("trigger: what=%xh whati=%xh\n", what, whati);
-	spin_unlock(&codec->reg_lock);
-
-	return 0;
-}
-
-static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
-				      struct snd_pcm_hw_params *hw_params)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	struct snd_ali_voice *evoice = pvoice->extra;
-	int err;
-
-	err = snd_pcm_lib_malloc_pages(substream,
-				       params_buffer_bytes(hw_params));
-	if (err < 0)
-		return err;
-	
-	/* voice management */
-
-	if (params_buffer_size(hw_params) / 2 !=
-	    params_period_size(hw_params)) {
-		if (!evoice) {
-			evoice = snd_ali_alloc_voice(codec,
-						     SNDRV_ALI_VOICE_TYPE_PCM,
-						     0, -1);
-			if (!evoice)
-				return -ENOMEM;
-			pvoice->extra = evoice;
-			evoice->substream = substream;
-		}
-	} else {
-		if (evoice) {
-			snd_ali_free_voice(codec, evoice);
-			pvoice->extra = evoice = NULL;
-		}
-	}
-
-	return 0;
-}
-
-static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
-
-	snd_pcm_lib_free_pages(substream);
-	if (evoice) {
-		snd_ali_free_voice(codec, evoice);
-		pvoice->extra = NULL;
-	}
-	return 0;
-}
-
-static int snd_ali_hw_params(struct snd_pcm_substream *substream,
-			     struct snd_pcm_hw_params *hw_params)
-{
-	return snd_pcm_lib_malloc_pages(substream,
-					params_buffer_bytes(hw_params));
-}
-
-static int snd_ali_hw_free(struct snd_pcm_substream *substream)
-{
-	return snd_pcm_lib_free_pages(substream);
-}
-
-static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	struct snd_ali_voice *evoice = pvoice->extra;
-
-	unsigned int LBA;
-	unsigned int Delta;
-	unsigned int ESO;
-	unsigned int CTRL;
-	unsigned int GVSEL;
-	unsigned int PAN;
-	unsigned int VOL;
-	unsigned int EC;
-	
-	snd_ali_printk("playback_prepare ...\n");
-
-	spin_lock_irq(&codec->reg_lock);	
-	
-	/* set Delta (rate) value */
-	Delta = snd_ali_convert_rate(runtime->rate, 0);
-
-	if (pvoice->number == ALI_SPDIF_IN_CHANNEL || 
-	    pvoice->number == ALI_PCM_IN_CHANNEL)
-		snd_ali_disable_special_channel(codec, pvoice->number);
-	else if (codec->spdif_support &&
-		 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
-		  ALI_SPDIF_OUT_CH_ENABLE)
-		 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
-		snd_ali_set_spdif_out_rate(codec, runtime->rate);
-		Delta = 0x1000;
-	}
-	
-	/* set Loop Back Address */
-	LBA = runtime->dma_addr;
-
-	/* set interrupt count size */
-	pvoice->count = runtime->period_size;
-
-	/* set target ESO for channel */
-	pvoice->eso = runtime->buffer_size; 
-
-	snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",
-		       pvoice->eso, pvoice->count);
-
-	/* set ESO to capture first MIDLP interrupt */
-	ESO = pvoice->eso -1;
-	/* set ctrl mode */
-	CTRL = snd_ali_control_mode(substream);
-
-	GVSEL = 1;
-	PAN = 0;
-	VOL = 0;
-	EC = 0;
-	snd_ali_printk("playback_prepare:\n");
-	snd_ali_printk("ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
-		       pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
-	snd_ali_write_voice_regs(codec,
-				 pvoice->number,
-				 LBA,
-				 0,	/* cso */
-				 ESO,
-				 Delta,
-				 0,	/* alpha */
-				 GVSEL,
-				 PAN,
-				 VOL,
-				 CTRL,
-				 EC);
-	if (evoice) {
-		evoice->count = pvoice->count;
-		evoice->eso = pvoice->count << 1;
-		ESO = evoice->eso - 1;
-		snd_ali_write_voice_regs(codec,
-					 evoice->number,
-					 LBA,
-					 0,	/* cso */
-					 ESO,
-					 Delta,
-					 0,	/* alpha */
-					 GVSEL,
-					 0x7f,
-					 0x3ff,
-					 CTRL,
-					 EC);
-	}
-	spin_unlock_irq(&codec->reg_lock);
-	return 0;
-}
-
-
-static int snd_ali_prepare(struct snd_pcm_substream *substream)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	unsigned int LBA;
-	unsigned int Delta;
-	unsigned int ESO;
-	unsigned int CTRL;
-	unsigned int GVSEL;
-	unsigned int PAN;
-	unsigned int VOL;
-	unsigned int EC;
-	u8	 bValue;
-
-	spin_lock_irq(&codec->reg_lock);
-
-	snd_ali_printk("ali_prepare...\n");
-
-	snd_ali_enable_special_channel(codec,pvoice->number);
-
-	Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
-		 pvoice->number == ALI_MODEM_OUT_CHANNEL) ? 
-		0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
-
-	/* Prepare capture intr channel */
-	if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
-
-		unsigned int rate;
-		
-		spin_unlock_irq(&codec->reg_lock);
-		if (codec->revision != ALI_5451_V02)
-			return -1;
-
-		rate = snd_ali_get_spdif_in_rate(codec);
-		if (rate == 0) {
-			snd_printk(KERN_WARNING "ali_capture_preapre: "
-				   "spdif rate detect err!\n");
-			rate = 48000;
-		}
-		spin_lock_irq(&codec->reg_lock);
-		bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
-		if (bValue & 0x10) {
-			outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
-			printk(KERN_WARNING "clear SPDIF parity error flag.\n");
-		}
-
-		if (rate != 48000)
-			Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
-	}
-
-	/* set target ESO for channel  */
-	pvoice->eso = runtime->buffer_size; 
-
-	/* set interrupt count size  */
-	pvoice->count = runtime->period_size;
-
-	/* set Loop Back Address  */
-	LBA = runtime->dma_addr;
-
-	/* set ESO to capture first MIDLP interrupt  */
-	ESO = pvoice->eso - 1;
-	CTRL = snd_ali_control_mode(substream);
-	GVSEL = 0;
-	PAN = 0x00;
-	VOL = 0x00;
-	EC = 0;
-
-	snd_ali_write_voice_regs(    codec,
-				     pvoice->number,
-				     LBA,
-				     0,	/* cso */
-				     ESO,
-				     Delta,
-				     0,	/* alpha */
-				     GVSEL,
-				     PAN,
-				     VOL,
-				     CTRL,
-				     EC);
-
-	spin_unlock_irq(&codec->reg_lock);
-
-	return 0;
-}
-
-
-static snd_pcm_uframes_t
-snd_ali_playback_pointer(struct snd_pcm_substream *substream)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	unsigned int cso;
-
-	spin_lock(&codec->reg_lock);
-	if (!pvoice->running) {
-		spin_unlock(&codec->reg_lock);
-		return 0;
-	}
-	outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
-	cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
-	spin_unlock(&codec->reg_lock);
-	snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
-
-	return cso;
-}
-
-
-static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	unsigned int cso;
-
-	spin_lock(&codec->reg_lock);
-	if (!pvoice->running) {
-		spin_unlock_irq(&codec->reg_lock);
-		return 0;
-	}
-	outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
-	cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
-	spin_unlock(&codec->reg_lock);
-
-	return cso;
-}
-
-static struct snd_pcm_hardware snd_ali_playback =
-{
-	.info =		(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
-			 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-			 SNDRV_PCM_INFO_MMAP_VALID |
-			 SNDRV_PCM_INFO_RESUME |
-			 SNDRV_PCM_INFO_SYNC_START),
-	.formats =	(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
-			 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
-	.rates =	SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
-	.rate_min =		4000,
-	.rate_max =		48000,
-	.channels_min =		1,
-	.channels_max =		2,
-	.buffer_bytes_max =	(256*1024),
-	.period_bytes_min =	64,
-	.period_bytes_max =	(256*1024),
-	.periods_min =		1,
-	.periods_max =		1024,
-	.fifo_size =		0,
-};
-
-/*
- *  Capture support device description
- */
-
-static struct snd_pcm_hardware snd_ali_capture =
-{
-	.info =		(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
-			 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-			 SNDRV_PCM_INFO_MMAP_VALID |
-			 SNDRV_PCM_INFO_RESUME |
-			 SNDRV_PCM_INFO_SYNC_START),
-	.formats =	(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
-			 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
-	.rates =	SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
-	.rate_min =		4000,
-	.rate_max =		48000,
-	.channels_min =		1,
-	.channels_max =		2,
-	.buffer_bytes_max =	(128*1024),
-	.period_bytes_min =	64,
-	.period_bytes_max =	(128*1024),
-	.periods_min =		1,
-	.periods_max =		1024,
-	.fifo_size =		0,
-};
-
-static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
-{
-	struct snd_ali_voice *pvoice = runtime->private_data;
-	struct snd_ali *codec;
-
-	if (pvoice) {
-		codec = pvoice->codec;
-		snd_ali_free_voice(pvoice->codec, pvoice);
-	}
-}
-
-static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
-			int channel, struct snd_pcm_hardware *phw)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_ali_voice *pvoice;
-
-	pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
-				     channel);
-	if (!pvoice)
-		return -EAGAIN;
-
-	pvoice->substream = substream;
-	runtime->private_data = pvoice;
-	runtime->private_free = snd_ali_pcm_free_substream;
-
-	runtime->hw = *phw;
-	snd_pcm_set_sync(substream);
-	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
-				     0, 64*1024);
-	return 0;
-}
-
-static int snd_ali_playback_open(struct snd_pcm_substream *substream)
-{
-	return snd_ali_open(substream, 0, -1, &snd_ali_playback);
-}
-
-static int snd_ali_capture_open(struct snd_pcm_substream *substream)
-{
-	return snd_ali_open(substream, 1, -1, &snd_ali_capture);
-}
-
-static int snd_ali_playback_close(struct snd_pcm_substream *substream)
-{
-	return 0;
-}
-
-static int snd_ali_close(struct snd_pcm_substream *substream)
-{
-	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct snd_ali_voice *pvoice = substream->runtime->private_data;
-
-	snd_ali_disable_special_channel(codec,pvoice->number);
-
-	return 0;
-}
-
-static struct snd_pcm_ops snd_ali_playback_ops = {
-	.open =		snd_ali_playback_open,
-	.close =	snd_ali_playback_close,
-	.ioctl =	snd_pcm_lib_ioctl,
-	.hw_params =	snd_ali_playback_hw_params,
-	.hw_free =	snd_ali_playback_hw_free,
-	.prepare =	snd_ali_playback_prepare,
-	.trigger =	snd_ali_trigger,
-	.pointer =	snd_ali_playback_pointer,
-};
-
-static struct snd_pcm_ops snd_ali_capture_ops = {
-	.open =		snd_ali_capture_open,
-	.close =	snd_ali_close,
-	.ioctl =	snd_pcm_lib_ioctl,
-	.hw_params =	snd_ali_hw_params,
-	.hw_free =	snd_ali_hw_free,
-	.prepare =	snd_ali_prepare,
-	.trigger =	snd_ali_trigger,
-	.pointer =	snd_ali_pointer,
-};
-
-/*
- * Modem PCM
- */
-
-static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
-				 struct snd_pcm_hw_params *hw_params)
-{
-	struct snd_ali *chip = snd_pcm_substream_chip(substream);
-	unsigned int modem_num = chip->num_of_codecs - 1;
-	snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
-		       params_rate(hw_params));
-	snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
-	return snd_ali_hw_params(substream, hw_params);
-}
-
-static struct snd_pcm_hardware snd_ali_modem =
-{
-	.info =		(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
-			 SNDRV_PCM_INFO_BLOCK_TRANSFER |
-			 SNDRV_PCM_INFO_MMAP_VALID |
-			 SNDRV_PCM_INFO_RESUME |
-			 SNDRV_PCM_INFO_SYNC_START),
-	.formats =	SNDRV_PCM_FMTBIT_S16_LE,
-	.rates =	(SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
-			 SNDRV_PCM_RATE_16000),
-	.rate_min =		8000,
-	.rate_max =		16000,
-	.channels_min =		1,
-	.channels_max =		1,
-	.buffer_bytes_max =	(256*1024),
-	.period_bytes_min =	64,
-	.period_bytes_max =	(256*1024),
-	.periods_min =		1,
-	.periods_max =		1024,
-	.fifo_size =		0,
-};
-
-static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
-			      int channel)
-{
-	static unsigned int rates[] = {8000, 9600, 12000, 16000};
-	static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
-		.count = ARRAY_SIZE(rates),
-		.list = rates,
-		.mask = 0,
-	};
-	int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
-
-	if (err)
-		return err;
-	return snd_pcm_hw_constraint_list(substream->runtime, 0,
-			SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
-}
-
-static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
-{
-	return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
-}
-
-static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
-{
-	return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
-}
-
-static struct snd_pcm_ops snd_ali_modem_playback_ops = {
-	.open =		snd_ali_modem_playback_open,
-	.close =	snd_ali_close,
-	.ioctl =	snd_pcm_lib_ioctl,
-	.hw_params =	snd_ali_modem_hw_params,
-	.hw_free =	snd_ali_hw_free,
-	.prepare =	snd_ali_prepare,
-	.trigger =	snd_ali_trigger,
-	.pointer =	snd_ali_pointer,
-};
-
-static struct snd_pcm_ops snd_ali_modem_capture_ops = {
-	.open =		snd_ali_modem_capture_open,
-	.close =	snd_ali_close,
-	.ioctl =	snd_pcm_lib_ioctl,
-	.hw_params =	snd_ali_modem_hw_params,
-	.hw_free =	snd_ali_hw_free,
-	.prepare =	snd_ali_prepare,
-	.trigger =	snd_ali_trigger,
-	.pointer =	snd_ali_pointer,
-};
-
-
-struct ali_pcm_description {
-	char *name;
-	unsigned int playback_num;
-	unsigned int capture_num;
-	struct snd_pcm_ops *playback_ops;
-	struct snd_pcm_ops *capture_ops;
-	unsigned short class;
-};
-
-
-static void snd_ali_pcm_free(struct snd_pcm *pcm)
-{
-	struct snd_ali *codec = pcm->private_data;
-	codec->pcm[pcm->device] = NULL;
-}
-
-
-static int __devinit snd_ali_pcm(struct snd_ali * codec, int device,
-				 struct ali_pcm_description *desc)
-{
-	struct snd_pcm *pcm;
-	int err;
-
-	err = snd_pcm_new(codec->card, desc->name, device,
-			  desc->playback_num, desc->capture_num, &pcm);
-	if (err < 0) {
-		snd_printk(KERN_ERR "snd_ali_pcm: err called snd_pcm_new.\n");
-		return err;
-	}
-	pcm->private_data = codec;
-	pcm->private_free = snd_ali_pcm_free;
-	if (desc->playback_ops)
-		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
-				desc->playback_ops);
-	if (desc->capture_ops)
-		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
-				desc->capture_ops);
-
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-					      snd_dma_pci_data(codec->pci),
-					      64*1024, 128*1024);
-
-	pcm->info_flags = 0;
-	pcm->dev_class = desc->class;
-	pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
-	strcpy(pcm->name, desc->name);
-	codec->pcm[0] = pcm;
-	return 0;
-}
-
-static struct ali_pcm_description ali_pcms[] = {
-	{ .name = "ALI 5451",
-	  .playback_num = ALI_CHANNELS,
-	  .capture_num = 1,
-	  .playback_ops = &snd_ali_playback_ops,
-	  .capture_ops = &snd_ali_capture_ops
-	},
-	{ .name = "ALI 5451 modem",
-	  .playback_num = 1,
-	  .capture_num = 1,
-	  .playback_ops = &snd_ali_modem_playback_ops,
-	  .capture_ops = &snd_ali_modem_capture_ops,
-	  .class = SNDRV_PCM_CLASS_MODEM
-	}
-};
-
-static int __devinit snd_ali_build_pcms(struct snd_ali *codec)
-{
-	int i, err;
-	for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
-		err = snd_ali_pcm(codec, i, &ali_pcms[i]);
-		if (err < 0)
-			return err;
-	}
-	return 0;
-}
-
-
-#define ALI5451_SPDIF(xname, xindex, value) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
-.info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
-.put = snd_ali5451_spdif_put, .private_value = value}
-
-#define snd_ali5451_spdif_info		snd_ctl_boolean_mono_info
-
-static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
-				 struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_ali *codec = kcontrol->private_data;
-	unsigned int spdif_enable;
-
-	spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
-
-	spin_lock_irq(&codec->reg_lock);
-	switch (kcontrol->private_value) {
-	case 0:
-		spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
-		break;
-	case 1:
-		spdif_enable = ((codec->spdif_mask & 0x02) &&
-			  (codec->spdif_mask & 0x04)) ? 1 : 0;
-		break;
-	case 2:
-		spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
-		break;
-	default:
-		break;
-	}
-	ucontrol->value.integer.value[0] = spdif_enable;
-	spin_unlock_irq(&codec->reg_lock);
-	return 0;
-}
-
-static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
-				 struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_ali *codec = kcontrol->private_data;
-	unsigned int change = 0, spdif_enable = 0;
-
-	spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
-
-	spin_lock_irq(&codec->reg_lock);
-	switch (kcontrol->private_value) {
-	case 0:
-		change = (codec->spdif_mask & 0x02) ? 1 : 0;
-		change = change ^ spdif_enable;
-		if (change) {
-			if (spdif_enable) {
-				codec->spdif_mask |= 0x02;
-				snd_ali_enable_spdif_out(codec);
-			} else {
-				codec->spdif_mask &= ~(0x02);
-				codec->spdif_mask &= ~(0x04);
-				snd_ali_disable_spdif_out(codec);
-			}
-		}
-		break;
-	case 1: 
-		change = (codec->spdif_mask & 0x04) ? 1 : 0;
-		change = change ^ spdif_enable;
-		if (change && (codec->spdif_mask & 0x02)) {
-			if (spdif_enable) {
-				codec->spdif_mask |= 0x04;
-				snd_ali_enable_spdif_chnout(codec);
-			} else {
-				codec->spdif_mask &= ~(0x04);
-				snd_ali_disable_spdif_chnout(codec);
-			}
-		}
-		break;
-	case 2:
-		change = (codec->spdif_mask & 0x01) ? 1 : 0;
-		change = change ^ spdif_enable;
-		if (change) {
-			if (spdif_enable) {
-				codec->spdif_mask |= 0x01;
-				snd_ali_enable_spdif_in(codec);
-			} else {
-				codec->spdif_mask &= ~(0x01);
-				snd_ali_disable_spdif_in(codec);
-			}
-		}
-		break;
-	default:
-		break;
-	}
-	spin_unlock_irq(&codec->reg_lock);
-	
-	return change;
-}
-
-static struct snd_kcontrol_new snd_ali5451_mixer_spdif[] __devinitdata = {
-	/* spdif aplayback switch */
-	/* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
-	ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
-	/* spdif out to spdif channel */
-	ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
-	/* spdif in from spdif channel */
-	ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
-};
-
-static int __devinit snd_ali_mixer(struct snd_ali * codec)
-{
-	struct snd_ac97_template ac97;
-	unsigned int idx;
-	int i, err;
-	static struct snd_ac97_bus_ops ops = {
-		.write = snd_ali_codec_write,
-		.read = snd_ali_codec_read,
-	};
-
-	err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
-	if (err < 0)
-		return err;
-
-	memset(&ac97, 0, sizeof(ac97));
-	ac97.private_data = codec;
-
-	for (i = 0; i < codec->num_of_codecs; i++) {
-		ac97.num = i;
-		err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
-		if (err < 0) {
-			snd_printk(KERN_ERR
-				   "ali mixer %d creating error.\n", i);
-			if (i == 0)
-				return err;
-			codec->num_of_codecs = 1;
-			break;
-		}
-	}
-
-	if (codec->spdif_support) {
-		for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
-			err = snd_ctl_add(codec->card,
-					  snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
-			if (err < 0)
-				return err;
-		}
-	}
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int ali_suspend(struct pci_dev *pci, pm_message_t state)
-{
-	struct snd_card *card = pci_get_drvdata(pci);
-	struct snd_ali *chip = card->private_data;
-	struct snd_ali_image *im;
-	int i, j;
-
-	im = chip->image;
-	if (!im)
-		return 0;
-
-	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
-	for (i = 0; i < chip->num_of_codecs; i++) {
-		snd_pcm_suspend_all(chip->pcm[i]);
-		snd_ac97_suspend(chip->ac97[i]);
-	}
-
-	spin_lock_irq(&chip->reg_lock);
-	
-	im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
-	/* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
-	im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
-	
-	/* disable all IRQ bits */
-	outl(0, ALI_REG(chip, ALI_MISCINT));
-	
-	for (i = 0; i < ALI_GLOBAL_REGS; i++) {	
-		if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
-			continue;
-		im->regs[i] = inl(ALI_REG(chip, i*4));
-	}
-	
-	for (i = 0; i < ALI_CHANNELS; i++) {
-		outb(i, ALI_REG(chip, ALI_GC_CIR));
-		for (j = 0; j < ALI_CHANNEL_REGS; j++) 
-			im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
-	}
-
-	/* stop all HW channel */
-	outl(0xffffffff, ALI_REG(chip, ALI_STOP));
-
-	spin_unlock_irq(&chip->reg_lock);
-
-	pci_disable_device(pci);
-	pci_save_state(pci);
-	pci_set_power_state(pci, pci_choose_state(pci, state));
-	return 0;
-}
-
-static int ali_resume(struct pci_dev *pci)
-{
-	struct snd_card *card = pci_get_drvdata(pci);
-	struct snd_ali *chip = card->private_data;
-	struct snd_ali_image *im;
-	int i, j;
-
-	im = chip->image;
-	if (!im)
-		return 0;
-
-	pci_set_power_state(pci, PCI_D0);
-	pci_restore_state(pci);
-	if (pci_enable_device(pci) < 0) {
-		printk(KERN_ERR "ali5451: pci_enable_device failed, "
-		       "disabling device\n");
-		snd_card_disconnect(card);
-		return -EIO;
-	}
-	pci_set_master(pci);
-
-	spin_lock_irq(&chip->reg_lock);
-	
-	for (i = 0; i < ALI_CHANNELS; i++) {
-		outb(i, ALI_REG(chip, ALI_GC_CIR));
-		for (j = 0; j < ALI_CHANNEL_REGS; j++) 
-			outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
-	}
-	
-	for (i = 0; i < ALI_GLOBAL_REGS; i++) {	
-		if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
-		    (i*4 == ALI_START))
-			continue;
-		outl(im->regs[i], ALI_REG(chip, i*4));
-	}
-	
-	/* start HW channel */
-	outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
-	/* restore IRQ enable bits */
-	outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
-	
-	spin_unlock_irq(&chip->reg_lock);
-
-	for (i = 0 ; i < chip->num_of_codecs; i++)
-		snd_ac97_resume(chip->ac97[i]);
-	
-	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
-	return 0;
-}
-#endif /* CONFIG_PM */
-
-static int snd_ali_free(struct snd_ali * codec)
-{
-	if (codec->hw_initialized)
-		snd_ali_disable_address_interrupt(codec);
-	if (codec->irq >= 0)
-		free_irq(codec->irq, codec);
-	if (codec->port)
-		pci_release_regions(codec->pci);
-	pci_disable_device(codec->pci);
-#ifdef CONFIG_PM
-	kfree(codec->image);
-#endif
-	pci_dev_put(codec->pci_m1533);
-	pci_dev_put(codec->pci_m7101);
-	kfree(codec);
-	return 0;
-}
-
-static int snd_ali_chip_init(struct snd_ali *codec)
-{
-	unsigned int legacy;
-	unsigned char temp;
-	struct pci_dev *pci_dev;
-
-	snd_ali_printk("chip initializing ... \n");
-
-	if (snd_ali_reset_5451(codec)) {
-		snd_printk(KERN_ERR "ali_chip_init: reset 5451 error.\n");
-		return -1;
-	}
-
-	if (codec->revision == ALI_5451_V02) {
-        	pci_dev = codec->pci_m1533;
-		pci_read_config_byte(pci_dev, 0x59, &temp);
-		temp |= 0x80;
-		pci_write_config_byte(pci_dev, 0x59, temp);
-	
-		pci_dev = codec->pci_m7101;
-		pci_read_config_byte(pci_dev, 0xb8, &temp);
-		temp |= 0x20;
-		pci_write_config_byte(pci_dev, 0xB8, temp);
-	}
-
-	pci_read_config_dword(codec->pci, 0x44, &legacy);
-	legacy &= 0xff00ff00;
-	legacy |= 0x000800aa;
-	pci_write_config_dword(codec->pci, 0x44, legacy);
-
-	outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
-	outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
-	outl(0xffffffff, ALI_REG(codec, ALI_AINT));
-	outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
-	outb(0x10, 	 ALI_REG(codec, ALI_MPUR2));
-
-	codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
-	codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
-						    AC97_EXTENDED_STATUS);
-	if (codec->spdif_support) {
-		snd_ali_enable_spdif_out(codec);
-		codec->spdif_mask = 0x00000002;
-	}
-
-	codec->num_of_codecs = 1;
-
-	/* secondary codec - modem */
-	if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
-		codec->num_of_codecs++;
-		outl(inl(ALI_REG(codec, ALI_SCTRL)) |
-		     (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
-		      ALI_SCTRL_LINE_OUT_EN),
-		     ALI_REG(codec, ALI_SCTRL));
-	}
-
-	snd_ali_printk("chip initialize succeed.\n");
-	return 0;
-
-}
-
-/* proc for register dump */
-static void snd_ali_proc_read(struct snd_info_entry *entry,
-			      struct snd_info_buffer *buf)
-{
-	struct snd_ali *codec = entry->private_data;
-	int i;
-	for (i = 0; i < 256 ; i+= 4)
-		snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
-}
-
-static void __devinit snd_ali_proc_init(struct snd_ali *codec)
-{
-	struct snd_info_entry *entry;
-	if (!snd_card_proc_new(codec->card, "ali5451", &entry))
-		snd_info_set_text_ops(entry, codec, snd_ali_proc_read);
-}
-
-static int __devinit snd_ali_resources(struct snd_ali *codec)
-{
-	int err;
-
-	snd_ali_printk("resources allocation ...\n");
-	err = pci_request_regions(codec->pci, "ALI 5451");
-	if (err < 0)
-		return err;
-	codec->port = pci_resource_start(codec->pci, 0);
-
-	if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
-			IRQF_SHARED, KBUILD_MODNAME, codec)) {
-		snd_printk(KERN_ERR "Unable to request irq.\n");
-		return -EBUSY;
-	}
-	codec->irq = codec->pci->irq;
-	snd_ali_printk("resources allocated.\n");
-	return 0;
-}
-static int snd_ali_dev_free(struct snd_device *device)
-{
-	struct snd_ali *codec = device->device_data;
-	snd_ali_free(codec);
-	return 0;
-}
-
-static int __devinit snd_ali_create(struct snd_card *card,
-				    struct pci_dev *pci,
-				    int pcm_streams,
-				    int spdif_support,
-				    struct snd_ali ** r_ali)
-{
-	struct snd_ali *codec;
-	int i, err;
-	unsigned short cmdw;
-	static struct snd_device_ops ops = {
-		.dev_free = snd_ali_dev_free,
-        };
-
-	*r_ali = NULL;
-
-	snd_ali_printk("creating ...\n");
-
-	/* enable PCI device */
-	err = pci_enable_device(pci);
-	if (err < 0)
-		return err;
-	/* check, if we can restrict PCI DMA transfers to 31 bits */
-	if (pci_set_dma_mask(pci, DMA_BIT_MASK(31)) < 0 ||
-	    pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(31)) < 0) {
-		snd_printk(KERN_ERR "architecture does not support "
-			   "31bit PCI busmaster DMA\n");
-		pci_disable_device(pci);
-		return -ENXIO;
-	}
-
-	codec = kzalloc(sizeof(*codec), GFP_KERNEL);
-	if (!codec) {
-		pci_disable_device(pci);
-		return -ENOMEM;
-	}
-
-	spin_lock_init(&codec->reg_lock);
-	spin_lock_init(&codec->voice_alloc);
-
-	codec->card = card;
-	codec->pci = pci;
-	codec->irq = -1;
-	codec->revision = pci->revision;
-	codec->spdif_support = spdif_support;
-
-	if (pcm_streams < 1)
-		pcm_streams = 1;
-	if (pcm_streams > 32)
-		pcm_streams = 32;
-	
-	pci_set_master(pci);
-	pci_read_config_word(pci, PCI_COMMAND, &cmdw);
-	if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
-		cmdw |= PCI_COMMAND_IO;
-		pci_write_config_word(pci, PCI_COMMAND, cmdw);
-	}
-	pci_set_master(pci);
-	
-	if (snd_ali_resources(codec)) {
-		snd_ali_free(codec);
-		return -EBUSY;
-	}
-
-	synchronize_irq(pci->irq);
-
-	codec->synth.chmap = 0;
-	codec->synth.chcnt = 0;
-	codec->spdif_mask = 0;
-	codec->synth.synthcount = 0;
-
-	if (codec->revision == ALI_5451_V02)
-		codec->chregs.regs.ac97read = ALI_AC97_WRITE;
-	else
-		codec->chregs.regs.ac97read = ALI_AC97_READ;
-	codec->chregs.regs.ac97write = ALI_AC97_WRITE;
-
-	codec->chregs.regs.start  = ALI_START;
-	codec->chregs.regs.stop   = ALI_STOP;
-	codec->chregs.regs.aint   = ALI_AINT;
-	codec->chregs.regs.ainten = ALI_AINTEN;
-
-	codec->chregs.data.start  = 0x00;
-	codec->chregs.data.stop   = 0x00;
-	codec->chregs.data.aint   = 0x00;
-	codec->chregs.data.ainten = 0x00;
-
-	/* M1533: southbridge */
-	codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
-	if (!codec->pci_m1533) {
-		snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
-		snd_ali_free(codec);
-		return -ENODEV;
-	}
-	/* M7101: power management */
-	codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
-	if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
-		snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
-		snd_ali_free(codec);
-		return -ENODEV;
-	}
-
-	snd_ali_printk("snd_device_new is called.\n");
-	err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
-	if (err < 0) {
-		snd_ali_free(codec);
-		return err;
-	}
-
-	snd_card_set_dev(card, &pci->dev);
-
-	/* initialise synth voices*/
-	for (i = 0; i < ALI_CHANNELS; i++)
-		codec->synth.voices[i].number = i;
-
-	err = snd_ali_chip_init(codec);
-	if (err < 0) {
-		snd_printk(KERN_ERR "ali create: chip init error.\n");
-		return err;
-	}
-
-#ifdef CONFIG_PM
-	codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
-	if (!codec->image)
-		snd_printk(KERN_WARNING "can't allocate apm buffer\n");
-#endif
-
-	snd_ali_enable_address_interrupt(codec);
-	codec->hw_initialized = 1;
-
-	*r_ali = codec;
-	snd_ali_printk("created.\n");
-	return 0;
-}
-
-static int __devinit snd_ali_probe(struct pci_dev *pci,
-				   const struct pci_device_id *pci_id)
-{
-	struct snd_card *card;
-	struct snd_ali *codec;
-	int err;
-
-	snd_ali_printk("probe ...\n");
-
-	err = snd_card_create(index, id, THIS_MODULE, 0, &card);
-	if (err < 0)
-		return err;
-
-	err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
-	if (err < 0)
-		goto error;
-	card->private_data = codec;
-
-	snd_ali_printk("mixer building ...\n");
-	err = snd_ali_mixer(codec);
-	if (err < 0)
-		goto error;
-	
-	snd_ali_printk("pcm building ...\n");
-	err = snd_ali_build_pcms(codec);
-	if (err < 0)
-		goto error;
-
-	snd_ali_proc_init(codec);
-
-	strcpy(card->driver, "ALI5451");
-	strcpy(card->shortname, "ALI 5451");
-	
-	sprintf(card->longname, "%s at 0x%lx, irq %i",
-		card->shortname, codec->port, codec->irq);
-
-	snd_ali_printk("register card.\n");
-	err = snd_card_register(card);
-	if (err < 0)
-		goto error;
-
-	pci_set_drvdata(pci, card);
-	return 0;
-
- error:
-	snd_card_free(card);
-	return err;
-}
-
-static void __devexit snd_ali_remove(struct pci_dev *pci)
-{
-	snd_card_free(pci_get_drvdata(pci));
-	pci_set_drvdata(pci, NULL);
-}
-
-static struct pci_driver driver = {
-	.name = KBUILD_MODNAME,
-	.id_table = snd_ali_ids,
-	.probe = snd_ali_probe,
-	.remove = __devexit_p(snd_ali_remove),
-#ifdef CONFIG_PM
-	.suspend = ali_suspend,
-	.resume = ali_resume,
-#endif
-};                                
-
-static int __init alsa_card_ali_init(void)
-{
-	return pci_register_driver(&driver);
-}
-
-static void __exit alsa_card_ali_exit(void)
-{
-	pci_unregister_driver(&driver);
-}
-
-module_init(alsa_card_ali_init)
-module_exit(alsa_card_ali_exit)