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v4.10.11
   1/*
   2 *   ALSA driver for Intel ICH (i8x0) chipsets
   3 *
   4 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   5 *
   6 *
   7 *   This code also contains alpha support for SiS 735 chipsets provided
   8 *   by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet
   9 *   for SiS735, so the code is not fully functional.
  10 *
  11 *
  12 *   This program is free software; you can redistribute it and/or modify
  13 *   it under the terms of the GNU General Public License as published by
  14 *   the Free Software Foundation; either version 2 of the License, or
  15 *   (at your option) any later version.
  16 *
  17 *   This program is distributed in the hope that it will be useful,
  18 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 *   GNU General Public License for more details.
  21 *
  22 *   You should have received a copy of the GNU General Public License
  23 *   along with this program; if not, write to the Free Software
  24 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  25
  26 *
  27 */      
  28
  29#include <linux/io.h>
  30#include <linux/delay.h>
  31#include <linux/interrupt.h>
  32#include <linux/init.h>
  33#include <linux/pci.h>
  34#include <linux/slab.h>
  35#include <linux/module.h>
  36#include <sound/core.h>
  37#include <sound/pcm.h>
  38#include <sound/ac97_codec.h>
  39#include <sound/info.h>
  40#include <sound/initval.h>
  41/* for 440MX workaround */
  42#include <asm/pgtable.h>
  43#include <asm/cacheflush.h>
  44
  45MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  46MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
  47MODULE_LICENSE("GPL");
  48MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
  49		"{Intel,82901AB-ICH0},"
  50		"{Intel,82801BA-ICH2},"
  51		"{Intel,82801CA-ICH3},"
  52		"{Intel,82801DB-ICH4},"
  53		"{Intel,ICH5},"
  54		"{Intel,ICH6},"
  55		"{Intel,ICH7},"
  56		"{Intel,6300ESB},"
  57		"{Intel,ESB2},"
  58		"{Intel,MX440},"
  59		"{SiS,SI7012},"
  60		"{NVidia,nForce Audio},"
  61		"{NVidia,nForce2 Audio},"
  62		"{NVidia,nForce3 Audio},"
  63		"{NVidia,MCP04},"
  64		"{NVidia,MCP501},"
  65		"{NVidia,CK804},"
  66		"{NVidia,CK8},"
  67		"{NVidia,CK8S},"
  68		"{AMD,AMD768},"
  69		"{AMD,AMD8111},"
  70	        "{ALI,M5455}}");
  71
  72static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
  73static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */
  74static int ac97_clock;
  75static char *ac97_quirk;
  76static bool buggy_semaphore;
  77static int buggy_irq = -1; /* auto-check */
  78static bool xbox;
  79static int spdif_aclink = -1;
  80static int inside_vm = -1;
  81
  82module_param(index, int, 0444);
  83MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
  84module_param(id, charp, 0444);
  85MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
  86module_param(ac97_clock, int, 0444);
  87MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
  88module_param(ac97_quirk, charp, 0444);
  89MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  90module_param(buggy_semaphore, bool, 0444);
  91MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
  92module_param(buggy_irq, bint, 0444);
  93MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
  94module_param(xbox, bool, 0444);
  95MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
  96module_param(spdif_aclink, int, 0444);
  97MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
  98module_param(inside_vm, bint, 0444);
  99MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization.");
 100
 101/* just for backward compatibility */
 102static bool enable;
 103module_param(enable, bool, 0444);
 104static int joystick;
 105module_param(joystick, int, 0444);
 106
 107/*
 108 *  Direct registers
 109 */
 110enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
 111
 112#define ICHREG(x) ICH_REG_##x
 113
 114#define DEFINE_REGSET(name,base) \
 115enum { \
 116	ICH_REG_##name##_BDBAR	= base + 0x0,	/* dword - buffer descriptor list base address */ \
 117	ICH_REG_##name##_CIV	= base + 0x04,	/* byte - current index value */ \
 118	ICH_REG_##name##_LVI	= base + 0x05,	/* byte - last valid index */ \
 119	ICH_REG_##name##_SR	= base + 0x06,	/* byte - status register */ \
 120	ICH_REG_##name##_PICB	= base + 0x08,	/* word - position in current buffer */ \
 121	ICH_REG_##name##_PIV	= base + 0x0a,	/* byte - prefetched index value */ \
 122	ICH_REG_##name##_CR	= base + 0x0b,	/* byte - control register */ \
 123};
 124
 125/* busmaster blocks */
 126DEFINE_REGSET(OFF, 0);		/* offset */
 127DEFINE_REGSET(PI, 0x00);	/* PCM in */
 128DEFINE_REGSET(PO, 0x10);	/* PCM out */
 129DEFINE_REGSET(MC, 0x20);	/* Mic in */
 130
 131/* ICH4 busmaster blocks */
 132DEFINE_REGSET(MC2, 0x40);	/* Mic in 2 */
 133DEFINE_REGSET(PI2, 0x50);	/* PCM in 2 */
 134DEFINE_REGSET(SP, 0x60);	/* SPDIF out */
 135
 136/* values for each busmaster block */
 137
 138/* LVI */
 139#define ICH_REG_LVI_MASK		0x1f
 140
 141/* SR */
 142#define ICH_FIFOE			0x10	/* FIFO error */
 143#define ICH_BCIS			0x08	/* buffer completion interrupt status */
 144#define ICH_LVBCI			0x04	/* last valid buffer completion interrupt */
 145#define ICH_CELV			0x02	/* current equals last valid */
 146#define ICH_DCH				0x01	/* DMA controller halted */
 147
 148/* PIV */
 149#define ICH_REG_PIV_MASK		0x1f	/* mask */
 150
 151/* CR */
 152#define ICH_IOCE			0x10	/* interrupt on completion enable */
 153#define ICH_FEIE			0x08	/* fifo error interrupt enable */
 154#define ICH_LVBIE			0x04	/* last valid buffer interrupt enable */
 155#define ICH_RESETREGS			0x02	/* reset busmaster registers */
 156#define ICH_STARTBM			0x01	/* start busmaster operation */
 157
 158
 159/* global block */
 160#define ICH_REG_GLOB_CNT		0x2c	/* dword - global control */
 161#define   ICH_PCM_SPDIF_MASK	0xc0000000	/* s/pdif pcm slot mask (ICH4) */
 162#define   ICH_PCM_SPDIF_NONE	0x00000000	/* reserved - undefined */
 163#define   ICH_PCM_SPDIF_78	0x40000000	/* s/pdif pcm on slots 7&8 */
 164#define   ICH_PCM_SPDIF_69	0x80000000	/* s/pdif pcm on slots 6&9 */
 165#define   ICH_PCM_SPDIF_1011	0xc0000000	/* s/pdif pcm on slots 10&11 */
 166#define   ICH_PCM_20BIT		0x00400000	/* 20-bit samples (ICH4) */
 167#define   ICH_PCM_246_MASK	0x00300000	/* chan mask (not all chips) */
 168#define   ICH_PCM_8		0x00300000      /* 8 channels (not all chips) */
 169#define   ICH_PCM_6		0x00200000	/* 6 channels (not all chips) */
 170#define   ICH_PCM_4		0x00100000	/* 4 channels (not all chips) */
 171#define   ICH_PCM_2		0x00000000	/* 2 channels (stereo) */
 172#define   ICH_SIS_PCM_246_MASK	0x000000c0	/* 6 channels (SIS7012) */
 173#define   ICH_SIS_PCM_6		0x00000080	/* 6 channels (SIS7012) */
 174#define   ICH_SIS_PCM_4		0x00000040	/* 4 channels (SIS7012) */
 175#define   ICH_SIS_PCM_2		0x00000000	/* 2 channels (SIS7012) */
 176#define   ICH_TRIE		0x00000040	/* tertiary resume interrupt enable */
 177#define   ICH_SRIE		0x00000020	/* secondary resume interrupt enable */
 178#define   ICH_PRIE		0x00000010	/* primary resume interrupt enable */
 179#define   ICH_ACLINK		0x00000008	/* AClink shut off */
 180#define   ICH_AC97WARM		0x00000004	/* AC'97 warm reset */
 181#define   ICH_AC97COLD		0x00000002	/* AC'97 cold reset */
 182#define   ICH_GIE		0x00000001	/* GPI interrupt enable */
 183#define ICH_REG_GLOB_STA		0x30	/* dword - global status */
 184#define   ICH_TRI		0x20000000	/* ICH4: tertiary (AC_SDIN2) resume interrupt */
 185#define   ICH_TCR		0x10000000	/* ICH4: tertiary (AC_SDIN2) codec ready */
 186#define   ICH_BCS		0x08000000	/* ICH4: bit clock stopped */
 187#define   ICH_SPINT		0x04000000	/* ICH4: S/PDIF interrupt */
 188#define   ICH_P2INT		0x02000000	/* ICH4: PCM2-In interrupt */
 189#define   ICH_M2INT		0x01000000	/* ICH4: Mic2-In interrupt */
 190#define   ICH_SAMPLE_CAP	0x00c00000	/* ICH4: sample capability bits (RO) */
 191#define   ICH_SAMPLE_16_20	0x00400000	/* ICH4: 16- and 20-bit samples */
 192#define   ICH_MULTICHAN_CAP	0x00300000	/* ICH4: multi-channel capability bits (RO) */
 193#define   ICH_SIS_TRI		0x00080000	/* SIS: tertiary resume irq */
 194#define   ICH_SIS_TCR		0x00040000	/* SIS: tertiary codec ready */
 195#define   ICH_MD3		0x00020000	/* modem power down semaphore */
 196#define   ICH_AD3		0x00010000	/* audio power down semaphore */
 197#define   ICH_RCS		0x00008000	/* read completion status */
 198#define   ICH_BIT3		0x00004000	/* bit 3 slot 12 */
 199#define   ICH_BIT2		0x00002000	/* bit 2 slot 12 */
 200#define   ICH_BIT1		0x00001000	/* bit 1 slot 12 */
 201#define   ICH_SRI		0x00000800	/* secondary (AC_SDIN1) resume interrupt */
 202#define   ICH_PRI		0x00000400	/* primary (AC_SDIN0) resume interrupt */
 203#define   ICH_SCR		0x00000200	/* secondary (AC_SDIN1) codec ready */
 204#define   ICH_PCR		0x00000100	/* primary (AC_SDIN0) codec ready */
 205#define   ICH_MCINT		0x00000080	/* MIC capture interrupt */
 206#define   ICH_POINT		0x00000040	/* playback interrupt */
 207#define   ICH_PIINT		0x00000020	/* capture interrupt */
 208#define   ICH_NVSPINT		0x00000010	/* nforce spdif interrupt */
 209#define   ICH_MOINT		0x00000004	/* modem playback interrupt */
 210#define   ICH_MIINT		0x00000002	/* modem capture interrupt */
 211#define   ICH_GSCI		0x00000001	/* GPI status change interrupt */
 212#define ICH_REG_ACC_SEMA		0x34	/* byte - codec write semaphore */
 213#define   ICH_CAS		0x01		/* codec access semaphore */
 214#define ICH_REG_SDM		0x80
 215#define   ICH_DI2L_MASK		0x000000c0	/* PCM In 2, Mic In 2 data in line */
 216#define   ICH_DI2L_SHIFT	6
 217#define   ICH_DI1L_MASK		0x00000030	/* PCM In 1, Mic In 1 data in line */
 218#define   ICH_DI1L_SHIFT	4
 219#define   ICH_SE		0x00000008	/* steer enable */
 220#define   ICH_LDI_MASK		0x00000003	/* last codec read data input */
 221
 222#define ICH_MAX_FRAGS		32		/* max hw frags */
 223
 224
 225/*
 226 * registers for Ali5455
 227 */
 228
 229/* ALi 5455 busmaster blocks */
 230DEFINE_REGSET(AL_PI, 0x40);	/* ALi PCM in */
 231DEFINE_REGSET(AL_PO, 0x50);	/* Ali PCM out */
 232DEFINE_REGSET(AL_MC, 0x60);	/* Ali Mic in */
 233DEFINE_REGSET(AL_CDC_SPO, 0x70);	/* Ali Codec SPDIF out */
 234DEFINE_REGSET(AL_CENTER, 0x80);		/* Ali center out */
 235DEFINE_REGSET(AL_LFE, 0x90);		/* Ali center out */
 236DEFINE_REGSET(AL_CLR_SPI, 0xa0);	/* Ali Controller SPDIF in */
 237DEFINE_REGSET(AL_CLR_SPO, 0xb0);	/* Ali Controller SPDIF out */
 238DEFINE_REGSET(AL_I2S, 0xc0);	/* Ali I2S in */
 239DEFINE_REGSET(AL_PI2, 0xd0);	/* Ali PCM2 in */
 240DEFINE_REGSET(AL_MC2, 0xe0);	/* Ali Mic2 in */
 241
 242enum {
 243	ICH_REG_ALI_SCR = 0x00,		/* System Control Register */
 244	ICH_REG_ALI_SSR = 0x04,		/* System Status Register  */
 245	ICH_REG_ALI_DMACR = 0x08,	/* DMA Control Register    */
 246	ICH_REG_ALI_FIFOCR1 = 0x0c,	/* FIFO Control Register 1  */
 247	ICH_REG_ALI_INTERFACECR = 0x10,	/* Interface Control Register */
 248	ICH_REG_ALI_INTERRUPTCR = 0x14,	/* Interrupt control Register */
 249	ICH_REG_ALI_INTERRUPTSR = 0x18,	/* Interrupt  Status Register */
 250	ICH_REG_ALI_FIFOCR2 = 0x1c,	/* FIFO Control Register 2   */
 251	ICH_REG_ALI_CPR = 0x20,		/* Command Port Register     */
 252	ICH_REG_ALI_CPR_ADDR = 0x22,	/* ac97 addr write */
 253	ICH_REG_ALI_SPR = 0x24,		/* Status Port Register      */
 254	ICH_REG_ALI_SPR_ADDR = 0x26,	/* ac97 addr read */
 255	ICH_REG_ALI_FIFOCR3 = 0x2c,	/* FIFO Control Register 3  */
 256	ICH_REG_ALI_TTSR = 0x30,	/* Transmit Tag Slot Register */
 257	ICH_REG_ALI_RTSR = 0x34,	/* Receive Tag Slot  Register */
 258	ICH_REG_ALI_CSPSR = 0x38,	/* Command/Status Port Status Register */
 259	ICH_REG_ALI_CAS = 0x3c,		/* Codec Write Semaphore Register */
 260	ICH_REG_ALI_HWVOL = 0xf0,	/* hardware volume control/status */
 261	ICH_REG_ALI_I2SCR = 0xf4,	/* I2S control/status */
 262	ICH_REG_ALI_SPDIFCSR = 0xf8,	/* spdif channel status register  */
 263	ICH_REG_ALI_SPDIFICS = 0xfc,	/* spdif interface control/status  */
 264};
 265
 266#define ALI_CAS_SEM_BUSY	0x80000000
 267#define ALI_CPR_ADDR_SECONDARY	0x100
 268#define ALI_CPR_ADDR_READ	0x80
 269#define ALI_CSPSR_CODEC_READY	0x08
 270#define ALI_CSPSR_READ_OK	0x02
 271#define ALI_CSPSR_WRITE_OK	0x01
 272
 273/* interrupts for the whole chip by interrupt status register finish */
 274 
 275#define ALI_INT_MICIN2		(1<<26)
 276#define ALI_INT_PCMIN2		(1<<25)
 277#define ALI_INT_I2SIN		(1<<24)
 278#define ALI_INT_SPDIFOUT	(1<<23)	/* controller spdif out INTERRUPT */
 279#define ALI_INT_SPDIFIN		(1<<22)
 280#define ALI_INT_LFEOUT		(1<<21)
 281#define ALI_INT_CENTEROUT	(1<<20)
 282#define ALI_INT_CODECSPDIFOUT	(1<<19)
 283#define ALI_INT_MICIN		(1<<18)
 284#define ALI_INT_PCMOUT		(1<<17)
 285#define ALI_INT_PCMIN		(1<<16)
 286#define ALI_INT_CPRAIS		(1<<7)	/* command port available */
 287#define ALI_INT_SPRAIS		(1<<5)	/* status port available */
 288#define ALI_INT_GPIO		(1<<1)
 289#define ALI_INT_MASK		(ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
 290				 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
 291
 292#define ICH_ALI_SC_RESET	(1<<31)	/* master reset */
 293#define ICH_ALI_SC_AC97_DBL	(1<<30)
 294#define ICH_ALI_SC_CODEC_SPDF	(3<<20)	/* 1=7/8, 2=6/9, 3=10/11 */
 295#define ICH_ALI_SC_IN_BITS	(3<<18)
 296#define ICH_ALI_SC_OUT_BITS	(3<<16)
 297#define ICH_ALI_SC_6CH_CFG	(3<<14)
 298#define ICH_ALI_SC_PCM_4	(1<<8)
 299#define ICH_ALI_SC_PCM_6	(2<<8)
 300#define ICH_ALI_SC_PCM_246_MASK	(3<<8)
 301
 302#define ICH_ALI_SS_SEC_ID	(3<<5)
 303#define ICH_ALI_SS_PRI_ID	(3<<3)
 304
 305#define ICH_ALI_IF_AC97SP	(1<<21)
 306#define ICH_ALI_IF_MC		(1<<20)
 307#define ICH_ALI_IF_PI		(1<<19)
 308#define ICH_ALI_IF_MC2		(1<<18)
 309#define ICH_ALI_IF_PI2		(1<<17)
 310#define ICH_ALI_IF_LINE_SRC	(1<<15)	/* 0/1 = slot 3/6 */
 311#define ICH_ALI_IF_MIC_SRC	(1<<14)	/* 0/1 = slot 3/6 */
 312#define ICH_ALI_IF_SPDF_SRC	(3<<12)	/* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
 313#define ICH_ALI_IF_AC97_OUT	(3<<8)	/* 00 = PCM, 10 = spdif-in, 11 = i2s */
 314#define ICH_ALI_IF_PO_SPDF	(1<<3)
 315#define ICH_ALI_IF_PO		(1<<1)
 316
 317/*
 318 *  
 319 */
 320
 321enum {
 322	ICHD_PCMIN,
 323	ICHD_PCMOUT,
 324	ICHD_MIC,
 325	ICHD_MIC2,
 326	ICHD_PCM2IN,
 327	ICHD_SPBAR,
 328	ICHD_LAST = ICHD_SPBAR
 329};
 330enum {
 331	NVD_PCMIN,
 332	NVD_PCMOUT,
 333	NVD_MIC,
 334	NVD_SPBAR,
 335	NVD_LAST = NVD_SPBAR
 336};
 337enum {
 338	ALID_PCMIN,
 339	ALID_PCMOUT,
 340	ALID_MIC,
 341	ALID_AC97SPDIFOUT,
 342	ALID_SPDIFIN,
 343	ALID_SPDIFOUT,
 344	ALID_LAST = ALID_SPDIFOUT
 345};
 346
 347#define get_ichdev(substream) (substream->runtime->private_data)
 348
 349struct ichdev {
 350	unsigned int ichd;			/* ich device number */
 351	unsigned long reg_offset;		/* offset to bmaddr */
 352	u32 *bdbar;				/* CPU address (32bit) */
 353	unsigned int bdbar_addr;		/* PCI bus address (32bit) */
 354	struct snd_pcm_substream *substream;
 355	unsigned int physbuf;			/* physical address (32bit) */
 356        unsigned int size;
 357        unsigned int fragsize;
 358        unsigned int fragsize1;
 359        unsigned int position;
 360	unsigned int pos_shift;
 361	unsigned int last_pos;
 362        int frags;
 363        int lvi;
 364        int lvi_frag;
 365	int civ;
 366	int ack;
 367	int ack_reload;
 368	unsigned int ack_bit;
 369	unsigned int roff_sr;
 370	unsigned int roff_picb;
 371	unsigned int int_sta_mask;		/* interrupt status mask */
 372	unsigned int ali_slot;			/* ALI DMA slot */
 373	struct ac97_pcm *pcm;
 374	int pcm_open_flag;
 375	unsigned int page_attr_changed: 1;
 376	unsigned int suspended: 1;
 377};
 378
 379struct intel8x0 {
 380	unsigned int device_type;
 381
 382	int irq;
 383
 384	void __iomem *addr;
 385	void __iomem *bmaddr;
 386
 387	struct pci_dev *pci;
 388	struct snd_card *card;
 389
 390	int pcm_devs;
 391	struct snd_pcm *pcm[6];
 392	struct ichdev ichd[6];
 393
 394	unsigned multi4: 1,
 395		 multi6: 1,
 396		 multi8 :1,
 397		 dra: 1,
 398		 smp20bit: 1;
 399	unsigned in_ac97_init: 1,
 400		 in_sdin_init: 1;
 401	unsigned in_measurement: 1;	/* during ac97 clock measurement */
 402	unsigned fix_nocache: 1; 	/* workaround for 440MX */
 403	unsigned buggy_irq: 1;		/* workaround for buggy mobos */
 404	unsigned xbox: 1;		/* workaround for Xbox AC'97 detection */
 405	unsigned buggy_semaphore: 1;	/* workaround for buggy codec semaphore */
 406	unsigned inside_vm: 1;		/* enable VM optimization */
 407
 408	int spdif_idx;	/* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
 409	unsigned int sdm_saved;	/* SDM reg value */
 410
 411	struct snd_ac97_bus *ac97_bus;
 412	struct snd_ac97 *ac97[3];
 413	unsigned int ac97_sdin[3];
 414	unsigned int max_codecs, ncodecs;
 415	unsigned int *codec_bit;
 416	unsigned int codec_isr_bits;
 417	unsigned int codec_ready_bits;
 418
 419	spinlock_t reg_lock;
 420	
 421	u32 bdbars_count;
 422	struct snd_dma_buffer bdbars;
 423	u32 int_sta_reg;		/* interrupt status register */
 424	u32 int_sta_mask;		/* interrupt status mask */
 425};
 426
 427static const struct pci_device_id snd_intel8x0_ids[] = {
 428	{ PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },	/* 82801AA */
 429	{ PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },	/* 82901AB */
 430	{ PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },	/* 82801BA */
 431	{ PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },	/* ICH3 */
 432	{ PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
 433	{ PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
 434	{ PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
 435	{ PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
 436	{ PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
 437	{ PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
 438	{ PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },	/* 440MX */
 439	{ PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },	/* SI7012 */
 440	{ PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE },	/* NFORCE */
 441	{ PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE },	/* MCP04 */
 442	{ PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE },	/* NFORCE2 */
 443	{ PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE },	/* CK804 */
 444	{ PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE },	/* CK8 */
 445	{ PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE },	/* NFORCE3 */
 446	{ PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE },	/* CK8S */
 447	{ PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE },	/* MCP51 */
 448	{ PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },	/* AMD8111 */
 449	{ PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },	/* AMD768 */
 450	{ PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */
 451	{ 0, }
 452};
 453
 454MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
 455
 456/*
 457 *  Lowlevel I/O - busmaster
 458 */
 459
 460static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
 461{
 462	return ioread8(chip->bmaddr + offset);
 463}
 464
 465static inline u16 igetword(struct intel8x0 *chip, u32 offset)
 466{
 467	return ioread16(chip->bmaddr + offset);
 468}
 469
 470static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
 471{
 472	return ioread32(chip->bmaddr + offset);
 473}
 474
 475static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
 476{
 477	iowrite8(val, chip->bmaddr + offset);
 478}
 479
 480static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
 481{
 482	iowrite16(val, chip->bmaddr + offset);
 483}
 484
 485static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
 486{
 487	iowrite32(val, chip->bmaddr + offset);
 488}
 489
 490/*
 491 *  Lowlevel I/O - AC'97 registers
 492 */
 493
 494static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
 495{
 496	return ioread16(chip->addr + offset);
 497}
 498
 499static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
 500{
 501	iowrite16(val, chip->addr + offset);
 502}
 503
 504/*
 505 *  Basic I/O
 506 */
 507
 508/*
 509 * access to AC97 codec via normal i/o (for ICH and SIS7012)
 510 */
 511
 512static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
 513{
 514	int time;
 515	
 516	if (codec > 2)
 517		return -EIO;
 518	if (chip->in_sdin_init) {
 519		/* we don't know the ready bit assignment at the moment */
 520		/* so we check any */
 521		codec = chip->codec_isr_bits;
 522	} else {
 523		codec = chip->codec_bit[chip->ac97_sdin[codec]];
 524	}
 525
 526	/* codec ready ? */
 527	if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
 528		return -EIO;
 529
 530	if (chip->buggy_semaphore)
 531		return 0; /* just ignore ... */
 532
 533	/* Anyone holding a semaphore for 1 msec should be shot... */
 534	time = 100;
 535      	do {
 536      		if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
 537      			return 0;
 538		udelay(10);
 539	} while (time--);
 540
 541	/* access to some forbidden (non existent) ac97 registers will not
 542	 * reset the semaphore. So even if you don't get the semaphore, still
 543	 * continue the access. We don't need the semaphore anyway. */
 544	dev_err(chip->card->dev,
 545		"codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
 546			igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
 547	iagetword(chip, 0);	/* clear semaphore flag */
 548	/* I don't care about the semaphore */
 549	return -EBUSY;
 550}
 551 
 552static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
 553				     unsigned short reg,
 554				     unsigned short val)
 555{
 556	struct intel8x0 *chip = ac97->private_data;
 557	
 558	if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 559		if (! chip->in_ac97_init)
 560			dev_err(chip->card->dev,
 561				"codec_write %d: semaphore is not ready for register 0x%x\n",
 562				ac97->num, reg);
 563	}
 564	iaputword(chip, reg + ac97->num * 0x80, val);
 565}
 566
 567static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
 568					      unsigned short reg)
 569{
 570	struct intel8x0 *chip = ac97->private_data;
 571	unsigned short res;
 572	unsigned int tmp;
 573
 574	if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 575		if (! chip->in_ac97_init)
 576			dev_err(chip->card->dev,
 577				"codec_read %d: semaphore is not ready for register 0x%x\n",
 578				ac97->num, reg);
 579		res = 0xffff;
 580	} else {
 581		res = iagetword(chip, reg + ac97->num * 0x80);
 582		if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 583			/* reset RCS and preserve other R/WC bits */
 584			iputdword(chip, ICHREG(GLOB_STA), tmp &
 585				  ~(chip->codec_ready_bits | ICH_GSCI));
 586			if (! chip->in_ac97_init)
 587				dev_err(chip->card->dev,
 588					"codec_read %d: read timeout for register 0x%x\n",
 589					ac97->num, reg);
 590			res = 0xffff;
 591		}
 592	}
 593	return res;
 594}
 595
 596static void snd_intel8x0_codec_read_test(struct intel8x0 *chip,
 597					 unsigned int codec)
 598{
 599	unsigned int tmp;
 600
 601	if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
 602		iagetword(chip, codec * 0x80);
 603		if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 604			/* reset RCS and preserve other R/WC bits */
 605			iputdword(chip, ICHREG(GLOB_STA), tmp &
 606				  ~(chip->codec_ready_bits | ICH_GSCI));
 607		}
 608	}
 609}
 610
 611/*
 612 * access to AC97 for Ali5455
 613 */
 614static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
 615{
 616	int count = 0;
 617	for (count = 0; count < 0x7f; count++) {
 618		int val = igetbyte(chip, ICHREG(ALI_CSPSR));
 619		if (val & mask)
 620			return 0;
 621	}
 622	if (! chip->in_ac97_init)
 623		dev_warn(chip->card->dev, "AC97 codec ready timeout.\n");
 624	return -EBUSY;
 625}
 626
 627static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 628{
 629	int time = 100;
 630	if (chip->buggy_semaphore)
 631		return 0; /* just ignore ... */
 632	while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 633		udelay(1);
 634	if (! time && ! chip->in_ac97_init)
 635		dev_warn(chip->card->dev, "ali_codec_semaphore timeout\n");
 636	return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
 637}
 638
 639static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 640{
 641	struct intel8x0 *chip = ac97->private_data;
 642	unsigned short data = 0xffff;
 643
 644	if (snd_intel8x0_ali_codec_semaphore(chip))
 645		goto __err;
 646	reg |= ALI_CPR_ADDR_READ;
 647	if (ac97->num)
 648		reg |= ALI_CPR_ADDR_SECONDARY;
 649	iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 650	if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
 651		goto __err;
 652	data = igetword(chip, ICHREG(ALI_SPR));
 653 __err:
 654	return data;
 655}
 656
 657static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 658					 unsigned short val)
 659{
 660	struct intel8x0 *chip = ac97->private_data;
 661
 662	if (snd_intel8x0_ali_codec_semaphore(chip))
 663		return;
 664	iputword(chip, ICHREG(ALI_CPR), val);
 665	if (ac97->num)
 666		reg |= ALI_CPR_ADDR_SECONDARY;
 667	iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 668	snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
 669}
 670
 671
 672/*
 673 * DMA I/O
 674 */
 675static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) 
 676{
 677	int idx;
 678	u32 *bdbar = ichdev->bdbar;
 679	unsigned long port = ichdev->reg_offset;
 680
 681	iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
 682	if (ichdev->size == ichdev->fragsize) {
 683		ichdev->ack_reload = ichdev->ack = 2;
 684		ichdev->fragsize1 = ichdev->fragsize >> 1;
 685		for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
 686			bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
 687			bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 688						     ichdev->fragsize1 >> ichdev->pos_shift);
 689			bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
 690			bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 691						     ichdev->fragsize1 >> ichdev->pos_shift);
 692		}
 693		ichdev->frags = 2;
 694	} else {
 695		ichdev->ack_reload = ichdev->ack = 1;
 696		ichdev->fragsize1 = ichdev->fragsize;
 697		for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
 698			bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
 699						     (((idx >> 1) * ichdev->fragsize) %
 700						      ichdev->size));
 701			bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 702						     ichdev->fragsize >> ichdev->pos_shift);
 703#if 0
 704			dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n",
 705			       idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
 706#endif
 707		}
 708		ichdev->frags = ichdev->size / ichdev->fragsize;
 709	}
 710	iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
 711	ichdev->civ = 0;
 712	iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
 713	ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
 714	ichdev->position = 0;
 715#if 0
 716	dev_dbg(chip->card->dev,
 717		"lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
 718	       ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
 719	       ichdev->fragsize1);
 720#endif
 721	/* clear interrupts */
 722	iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
 723}
 724
 725#ifdef __i386__
 726/*
 727 * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
 728 * which aborts PCI busmaster for audio transfer.  A workaround is to set
 729 * the pages as non-cached.  For details, see the errata in
 730 *	http://download.intel.com/design/chipsets/specupdt/24505108.pdf
 731 */
 732static void fill_nocache(void *buf, int size, int nocache)
 733{
 734	size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
 735	if (nocache)
 736		set_pages_uc(virt_to_page(buf), size);
 737	else
 738		set_pages_wb(virt_to_page(buf), size);
 739}
 740#else
 741#define fill_nocache(buf, size, nocache) do { ; } while (0)
 742#endif
 743
 744/*
 745 *  Interrupt handler
 746 */
 747
 748static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
 749{
 750	unsigned long port = ichdev->reg_offset;
 751	unsigned long flags;
 752	int status, civ, i, step;
 753	int ack = 0;
 754
 755	spin_lock_irqsave(&chip->reg_lock, flags);
 756	status = igetbyte(chip, port + ichdev->roff_sr);
 757	civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
 758	if (!(status & ICH_BCIS)) {
 759		step = 0;
 760	} else if (civ == ichdev->civ) {
 761		// snd_printd("civ same %d\n", civ);
 762		step = 1;
 763		ichdev->civ++;
 764		ichdev->civ &= ICH_REG_LVI_MASK;
 765	} else {
 766		step = civ - ichdev->civ;
 767		if (step < 0)
 768			step += ICH_REG_LVI_MASK + 1;
 769		// if (step != 1)
 770		//	snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
 771		ichdev->civ = civ;
 772	}
 773
 774	ichdev->position += step * ichdev->fragsize1;
 775	if (! chip->in_measurement)
 776		ichdev->position %= ichdev->size;
 777	ichdev->lvi += step;
 778	ichdev->lvi &= ICH_REG_LVI_MASK;
 779	iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
 780	for (i = 0; i < step; i++) {
 781		ichdev->lvi_frag++;
 782		ichdev->lvi_frag %= ichdev->frags;
 783		ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
 784#if 0
 785	dev_dbg(chip->card->dev,
 786		"new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
 787	       ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
 788	       ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
 789	       inl(port + 4), inb(port + ICH_REG_OFF_CR));
 790#endif
 791		if (--ichdev->ack == 0) {
 792			ichdev->ack = ichdev->ack_reload;
 793			ack = 1;
 794		}
 795	}
 796	spin_unlock_irqrestore(&chip->reg_lock, flags);
 797	if (ack && ichdev->substream) {
 798		snd_pcm_period_elapsed(ichdev->substream);
 799	}
 800	iputbyte(chip, port + ichdev->roff_sr,
 801		 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 802}
 803
 804static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 805{
 806	struct intel8x0 *chip = dev_id;
 807	struct ichdev *ichdev;
 808	unsigned int status;
 809	unsigned int i;
 810
 811	status = igetdword(chip, chip->int_sta_reg);
 812	if (status == 0xffffffff)	/* we are not yet resumed */
 813		return IRQ_NONE;
 814
 815	if ((status & chip->int_sta_mask) == 0) {
 816		if (status) {
 817			/* ack */
 818			iputdword(chip, chip->int_sta_reg, status);
 819			if (! chip->buggy_irq)
 820				status = 0;
 821		}
 822		return IRQ_RETVAL(status);
 823	}
 824
 825	for (i = 0; i < chip->bdbars_count; i++) {
 826		ichdev = &chip->ichd[i];
 827		if (status & ichdev->int_sta_mask)
 828			snd_intel8x0_update(chip, ichdev);
 829	}
 830
 831	/* ack them */
 832	iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
 833	
 834	return IRQ_HANDLED;
 835}
 836
 837/*
 838 *  PCM part
 839 */
 840
 841static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 842{
 843	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 844	struct ichdev *ichdev = get_ichdev(substream);
 845	unsigned char val = 0;
 846	unsigned long port = ichdev->reg_offset;
 847
 848	switch (cmd) {
 849	case SNDRV_PCM_TRIGGER_RESUME:
 850		ichdev->suspended = 0;
 851		/* fallthru */
 852	case SNDRV_PCM_TRIGGER_START:
 853	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 854		val = ICH_IOCE | ICH_STARTBM;
 855		ichdev->last_pos = ichdev->position;
 856		break;
 857	case SNDRV_PCM_TRIGGER_SUSPEND:
 858		ichdev->suspended = 1;
 859		/* fallthru */
 860	case SNDRV_PCM_TRIGGER_STOP:
 861		val = 0;
 862		break;
 863	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 864		val = ICH_IOCE;
 865		break;
 866	default:
 867		return -EINVAL;
 868	}
 869	iputbyte(chip, port + ICH_REG_OFF_CR, val);
 870	if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 871		/* wait until DMA stopped */
 872		while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
 873		/* reset whole DMA things */
 874		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 875	}
 876	return 0;
 877}
 878
 879static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
 880{
 881	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 882	struct ichdev *ichdev = get_ichdev(substream);
 883	unsigned long port = ichdev->reg_offset;
 884	static int fiforeg[] = {
 885		ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
 886	};
 887	unsigned int val, fifo;
 888
 889	val = igetdword(chip, ICHREG(ALI_DMACR));
 890	switch (cmd) {
 891	case SNDRV_PCM_TRIGGER_RESUME:
 892		ichdev->suspended = 0;
 893		/* fallthru */
 894	case SNDRV_PCM_TRIGGER_START:
 895	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 896		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 897			/* clear FIFO for synchronization of channels */
 898			fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
 899			fifo &= ~(0xff << (ichdev->ali_slot % 4));  
 900			fifo |= 0x83 << (ichdev->ali_slot % 4); 
 901			iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
 902		}
 903		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
 904		val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
 905		/* start DMA */
 906		iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
 907		break;
 908	case SNDRV_PCM_TRIGGER_SUSPEND:
 909		ichdev->suspended = 1;
 910		/* fallthru */
 911	case SNDRV_PCM_TRIGGER_STOP:
 912	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 913		/* pause */
 914		iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
 915		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
 916		while (igetbyte(chip, port + ICH_REG_OFF_CR))
 917			;
 918		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 919			break;
 920		/* reset whole DMA things */
 921		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 922		/* clear interrupts */
 923		iputbyte(chip, port + ICH_REG_OFF_SR,
 924			 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
 925		iputdword(chip, ICHREG(ALI_INTERRUPTSR),
 926			  igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
 927		break;
 928	default:
 929		return -EINVAL;
 930	}
 931	return 0;
 932}
 933
 934static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
 935				  struct snd_pcm_hw_params *hw_params)
 936{
 937	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 938	struct ichdev *ichdev = get_ichdev(substream);
 939	struct snd_pcm_runtime *runtime = substream->runtime;
 940	int dbl = params_rate(hw_params) > 48000;
 941	int err;
 942
 943	if (chip->fix_nocache && ichdev->page_attr_changed) {
 944		fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
 945		ichdev->page_attr_changed = 0;
 946	}
 947	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 948	if (err < 0)
 949		return err;
 950	if (chip->fix_nocache) {
 951		if (runtime->dma_area && ! ichdev->page_attr_changed) {
 952			fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
 953			ichdev->page_attr_changed = 1;
 954		}
 955	}
 956	if (ichdev->pcm_open_flag) {
 957		snd_ac97_pcm_close(ichdev->pcm);
 958		ichdev->pcm_open_flag = 0;
 959	}
 960	err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
 961				params_channels(hw_params),
 962				ichdev->pcm->r[dbl].slots);
 963	if (err >= 0) {
 964		ichdev->pcm_open_flag = 1;
 965		/* Force SPDIF setting */
 966		if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
 967			snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
 968					  params_rate(hw_params));
 969	}
 970	return err;
 971}
 972
 973static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
 974{
 975	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 976	struct ichdev *ichdev = get_ichdev(substream);
 977
 978	if (ichdev->pcm_open_flag) {
 979		snd_ac97_pcm_close(ichdev->pcm);
 980		ichdev->pcm_open_flag = 0;
 981	}
 982	if (chip->fix_nocache && ichdev->page_attr_changed) {
 983		fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
 984		ichdev->page_attr_changed = 0;
 985	}
 986	return snd_pcm_lib_free_pages(substream);
 987}
 988
 989static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
 990				       struct snd_pcm_runtime *runtime)
 991{
 992	unsigned int cnt;
 993	int dbl = runtime->rate > 48000;
 994
 995	spin_lock_irq(&chip->reg_lock);
 996	switch (chip->device_type) {
 997	case DEVICE_ALI:
 998		cnt = igetdword(chip, ICHREG(ALI_SCR));
 999		cnt &= ~ICH_ALI_SC_PCM_246_MASK;
1000		if (runtime->channels == 4 || dbl)
1001			cnt |= ICH_ALI_SC_PCM_4;
1002		else if (runtime->channels == 6)
1003			cnt |= ICH_ALI_SC_PCM_6;
1004		iputdword(chip, ICHREG(ALI_SCR), cnt);
1005		break;
1006	case DEVICE_SIS:
1007		cnt = igetdword(chip, ICHREG(GLOB_CNT));
1008		cnt &= ~ICH_SIS_PCM_246_MASK;
1009		if (runtime->channels == 4 || dbl)
1010			cnt |= ICH_SIS_PCM_4;
1011		else if (runtime->channels == 6)
1012			cnt |= ICH_SIS_PCM_6;
1013		iputdword(chip, ICHREG(GLOB_CNT), cnt);
1014		break;
1015	default:
1016		cnt = igetdword(chip, ICHREG(GLOB_CNT));
1017		cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1018		if (runtime->channels == 4 || dbl)
1019			cnt |= ICH_PCM_4;
1020		else if (runtime->channels == 6)
1021			cnt |= ICH_PCM_6;
1022		else if (runtime->channels == 8)
1023			cnt |= ICH_PCM_8;
1024		if (chip->device_type == DEVICE_NFORCE) {
1025			/* reset to 2ch once to keep the 6 channel data in alignment,
1026			 * to start from Front Left always
1027			 */
1028			if (cnt & ICH_PCM_246_MASK) {
1029				iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1030				spin_unlock_irq(&chip->reg_lock);
1031				msleep(50); /* grrr... */
1032				spin_lock_irq(&chip->reg_lock);
1033			}
1034		} else if (chip->device_type == DEVICE_INTEL_ICH4) {
1035			if (runtime->sample_bits > 16)
1036				cnt |= ICH_PCM_20BIT;
1037		}
1038		iputdword(chip, ICHREG(GLOB_CNT), cnt);
1039		break;
1040	}
1041	spin_unlock_irq(&chip->reg_lock);
1042}
1043
1044static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1045{
1046	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1047	struct snd_pcm_runtime *runtime = substream->runtime;
1048	struct ichdev *ichdev = get_ichdev(substream);
1049
1050	ichdev->physbuf = runtime->dma_addr;
1051	ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1052	ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1053	if (ichdev->ichd == ICHD_PCMOUT) {
1054		snd_intel8x0_setup_pcm_out(chip, runtime);
1055		if (chip->device_type == DEVICE_INTEL_ICH4)
1056			ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1057	}
1058	snd_intel8x0_setup_periods(chip, ichdev);
1059	return 0;
1060}
1061
1062static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1063{
1064	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1065	struct ichdev *ichdev = get_ichdev(substream);
1066	size_t ptr1, ptr;
1067	int civ, timeout = 10;
1068	unsigned int position;
1069
1070	spin_lock(&chip->reg_lock);
1071	do {
1072		civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1073		ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1074		position = ichdev->position;
1075		if (ptr1 == 0) {
1076			udelay(10);
1077			continue;
1078		}
1079		if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
1080			continue;
1081
1082		/* IO read operation is very expensive inside virtual machine
1083		 * as it is emulated. The probability that subsequent PICB read
1084		 * will return different result is high enough to loop till
1085		 * timeout here.
1086		 * Same CIV is strict enough condition to be sure that PICB
1087		 * is valid inside VM on emulated card. */
1088		if (chip->inside_vm)
1089			break;
1090		if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1091			break;
1092	} while (timeout--);
1093	ptr = ichdev->last_pos;
1094	if (ptr1 != 0) {
1095		ptr1 <<= ichdev->pos_shift;
1096		ptr = ichdev->fragsize1 - ptr1;
1097		ptr += position;
1098		if (ptr < ichdev->last_pos) {
1099			unsigned int pos_base, last_base;
1100			pos_base = position / ichdev->fragsize1;
1101			last_base = ichdev->last_pos / ichdev->fragsize1;
1102			/* another sanity check; ptr1 can go back to full
1103			 * before the base position is updated
1104			 */
1105			if (pos_base == last_base)
1106				ptr = ichdev->last_pos;
1107		}
1108	}
1109	ichdev->last_pos = ptr;
1110	spin_unlock(&chip->reg_lock);
1111	if (ptr >= ichdev->size)
1112		return 0;
1113	return bytes_to_frames(substream->runtime, ptr);
1114}
1115
1116static struct snd_pcm_hardware snd_intel8x0_stream =
1117{
1118	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1119				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1120				 SNDRV_PCM_INFO_MMAP_VALID |
1121				 SNDRV_PCM_INFO_PAUSE |
1122				 SNDRV_PCM_INFO_RESUME),
1123	.formats =		SNDRV_PCM_FMTBIT_S16_LE,
1124	.rates =		SNDRV_PCM_RATE_48000,
1125	.rate_min =		48000,
1126	.rate_max =		48000,
1127	.channels_min =		2,
1128	.channels_max =		2,
1129	.buffer_bytes_max =	128 * 1024,
1130	.period_bytes_min =	32,
1131	.period_bytes_max =	128 * 1024,
1132	.periods_min =		1,
1133	.periods_max =		1024,
1134	.fifo_size =		0,
1135};
1136
1137static unsigned int channels4[] = {
1138	2, 4,
1139};
1140
1141static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1142	.count = ARRAY_SIZE(channels4),
1143	.list = channels4,
1144	.mask = 0,
1145};
1146
1147static unsigned int channels6[] = {
1148	2, 4, 6,
1149};
1150
1151static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1152	.count = ARRAY_SIZE(channels6),
1153	.list = channels6,
1154	.mask = 0,
1155};
1156
1157static unsigned int channels8[] = {
1158	2, 4, 6, 8,
1159};
1160
1161static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1162	.count = ARRAY_SIZE(channels8),
1163	.list = channels8,
1164	.mask = 0,
1165};
1166
1167static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1168{
1169	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1170	struct snd_pcm_runtime *runtime = substream->runtime;
1171	int err;
1172
1173	ichdev->substream = substream;
1174	runtime->hw = snd_intel8x0_stream;
1175	runtime->hw.rates = ichdev->pcm->rates;
1176	snd_pcm_limit_hw_rates(runtime);
1177	if (chip->device_type == DEVICE_SIS) {
1178		runtime->hw.buffer_bytes_max = 64*1024;
1179		runtime->hw.period_bytes_max = 64*1024;
1180	}
1181	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1182		return err;
1183	runtime->private_data = ichdev;
1184	return 0;
1185}
1186
1187static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1188{
1189	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1190	struct snd_pcm_runtime *runtime = substream->runtime;
1191	int err;
1192
1193	err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1194	if (err < 0)
1195		return err;
1196
1197	if (chip->multi8) {
1198		runtime->hw.channels_max = 8;
1199		snd_pcm_hw_constraint_list(runtime, 0,
1200						SNDRV_PCM_HW_PARAM_CHANNELS,
1201						&hw_constraints_channels8);
1202	} else if (chip->multi6) {
1203		runtime->hw.channels_max = 6;
1204		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1205					   &hw_constraints_channels6);
1206	} else if (chip->multi4) {
1207		runtime->hw.channels_max = 4;
1208		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1209					   &hw_constraints_channels4);
1210	}
1211	if (chip->dra) {
1212		snd_ac97_pcm_double_rate_rules(runtime);
1213	}
1214	if (chip->smp20bit) {
1215		runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1216		snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1217	}
1218	return 0;
1219}
1220
1221static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1222{
1223	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1224
1225	chip->ichd[ICHD_PCMOUT].substream = NULL;
1226	return 0;
1227}
1228
1229static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1230{
1231	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1232
1233	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1234}
1235
1236static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1237{
1238	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1239
1240	chip->ichd[ICHD_PCMIN].substream = NULL;
1241	return 0;
1242}
1243
1244static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1245{
1246	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1247
1248	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1249}
1250
1251static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1252{
1253	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1254
1255	chip->ichd[ICHD_MIC].substream = NULL;
1256	return 0;
1257}
1258
1259static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1260{
1261	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1262
1263	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1264}
1265
1266static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1267{
1268	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1269
1270	chip->ichd[ICHD_MIC2].substream = NULL;
1271	return 0;
1272}
1273
1274static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1275{
1276	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1277
1278	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1279}
1280
1281static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1282{
1283	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1284
1285	chip->ichd[ICHD_PCM2IN].substream = NULL;
1286	return 0;
1287}
1288
1289static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1290{
1291	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1292	int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1293
1294	return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1295}
1296
1297static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1298{
1299	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1300	int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1301
1302	chip->ichd[idx].substream = NULL;
1303	return 0;
1304}
1305
1306static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1307{
1308	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1309	unsigned int val;
1310
1311	spin_lock_irq(&chip->reg_lock);
1312	val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1313	val |= ICH_ALI_IF_AC97SP;
1314	iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1315	/* also needs to set ALI_SC_CODEC_SPDF correctly */
1316	spin_unlock_irq(&chip->reg_lock);
1317
1318	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1319}
1320
1321static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1322{
1323	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1324	unsigned int val;
1325
1326	chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1327	spin_lock_irq(&chip->reg_lock);
1328	val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1329	val &= ~ICH_ALI_IF_AC97SP;
1330	iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1331	spin_unlock_irq(&chip->reg_lock);
1332
1333	return 0;
1334}
1335
1336#if 0 // NYI
1337static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1338{
1339	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1340
1341	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1342}
1343
1344static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1345{
1346	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1347
1348	chip->ichd[ALID_SPDIFIN].substream = NULL;
1349	return 0;
1350}
1351
1352static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1353{
1354	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1355
1356	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1357}
1358
1359static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1360{
1361	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1362
1363	chip->ichd[ALID_SPDIFOUT].substream = NULL;
1364	return 0;
1365}
1366#endif
1367
1368static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1369	.open =		snd_intel8x0_playback_open,
1370	.close =	snd_intel8x0_playback_close,
1371	.ioctl =	snd_pcm_lib_ioctl,
1372	.hw_params =	snd_intel8x0_hw_params,
1373	.hw_free =	snd_intel8x0_hw_free,
1374	.prepare =	snd_intel8x0_pcm_prepare,
1375	.trigger =	snd_intel8x0_pcm_trigger,
1376	.pointer =	snd_intel8x0_pcm_pointer,
1377};
1378
1379static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1380	.open =		snd_intel8x0_capture_open,
1381	.close =	snd_intel8x0_capture_close,
1382	.ioctl =	snd_pcm_lib_ioctl,
1383	.hw_params =	snd_intel8x0_hw_params,
1384	.hw_free =	snd_intel8x0_hw_free,
1385	.prepare =	snd_intel8x0_pcm_prepare,
1386	.trigger =	snd_intel8x0_pcm_trigger,
1387	.pointer =	snd_intel8x0_pcm_pointer,
1388};
1389
1390static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1391	.open =		snd_intel8x0_mic_open,
1392	.close =	snd_intel8x0_mic_close,
1393	.ioctl =	snd_pcm_lib_ioctl,
1394	.hw_params =	snd_intel8x0_hw_params,
1395	.hw_free =	snd_intel8x0_hw_free,
1396	.prepare =	snd_intel8x0_pcm_prepare,
1397	.trigger =	snd_intel8x0_pcm_trigger,
1398	.pointer =	snd_intel8x0_pcm_pointer,
1399};
1400
1401static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1402	.open =		snd_intel8x0_mic2_open,
1403	.close =	snd_intel8x0_mic2_close,
1404	.ioctl =	snd_pcm_lib_ioctl,
1405	.hw_params =	snd_intel8x0_hw_params,
1406	.hw_free =	snd_intel8x0_hw_free,
1407	.prepare =	snd_intel8x0_pcm_prepare,
1408	.trigger =	snd_intel8x0_pcm_trigger,
1409	.pointer =	snd_intel8x0_pcm_pointer,
1410};
1411
1412static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1413	.open =		snd_intel8x0_capture2_open,
1414	.close =	snd_intel8x0_capture2_close,
1415	.ioctl =	snd_pcm_lib_ioctl,
1416	.hw_params =	snd_intel8x0_hw_params,
1417	.hw_free =	snd_intel8x0_hw_free,
1418	.prepare =	snd_intel8x0_pcm_prepare,
1419	.trigger =	snd_intel8x0_pcm_trigger,
1420	.pointer =	snd_intel8x0_pcm_pointer,
1421};
1422
1423static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1424	.open =		snd_intel8x0_spdif_open,
1425	.close =	snd_intel8x0_spdif_close,
1426	.ioctl =	snd_pcm_lib_ioctl,
1427	.hw_params =	snd_intel8x0_hw_params,
1428	.hw_free =	snd_intel8x0_hw_free,
1429	.prepare =	snd_intel8x0_pcm_prepare,
1430	.trigger =	snd_intel8x0_pcm_trigger,
1431	.pointer =	snd_intel8x0_pcm_pointer,
1432};
1433
1434static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1435	.open =		snd_intel8x0_playback_open,
1436	.close =	snd_intel8x0_playback_close,
1437	.ioctl =	snd_pcm_lib_ioctl,
1438	.hw_params =	snd_intel8x0_hw_params,
1439	.hw_free =	snd_intel8x0_hw_free,
1440	.prepare =	snd_intel8x0_pcm_prepare,
1441	.trigger =	snd_intel8x0_ali_trigger,
1442	.pointer =	snd_intel8x0_pcm_pointer,
1443};
1444
1445static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1446	.open =		snd_intel8x0_capture_open,
1447	.close =	snd_intel8x0_capture_close,
1448	.ioctl =	snd_pcm_lib_ioctl,
1449	.hw_params =	snd_intel8x0_hw_params,
1450	.hw_free =	snd_intel8x0_hw_free,
1451	.prepare =	snd_intel8x0_pcm_prepare,
1452	.trigger =	snd_intel8x0_ali_trigger,
1453	.pointer =	snd_intel8x0_pcm_pointer,
1454};
1455
1456static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1457	.open =		snd_intel8x0_mic_open,
1458	.close =	snd_intel8x0_mic_close,
1459	.ioctl =	snd_pcm_lib_ioctl,
1460	.hw_params =	snd_intel8x0_hw_params,
1461	.hw_free =	snd_intel8x0_hw_free,
1462	.prepare =	snd_intel8x0_pcm_prepare,
1463	.trigger =	snd_intel8x0_ali_trigger,
1464	.pointer =	snd_intel8x0_pcm_pointer,
1465};
1466
1467static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1468	.open =		snd_intel8x0_ali_ac97spdifout_open,
1469	.close =	snd_intel8x0_ali_ac97spdifout_close,
1470	.ioctl =	snd_pcm_lib_ioctl,
1471	.hw_params =	snd_intel8x0_hw_params,
1472	.hw_free =	snd_intel8x0_hw_free,
1473	.prepare =	snd_intel8x0_pcm_prepare,
1474	.trigger =	snd_intel8x0_ali_trigger,
1475	.pointer =	snd_intel8x0_pcm_pointer,
1476};
1477
1478#if 0 // NYI
1479static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1480	.open =		snd_intel8x0_ali_spdifin_open,
1481	.close =	snd_intel8x0_ali_spdifin_close,
1482	.ioctl =	snd_pcm_lib_ioctl,
1483	.hw_params =	snd_intel8x0_hw_params,
1484	.hw_free =	snd_intel8x0_hw_free,
1485	.prepare =	snd_intel8x0_pcm_prepare,
1486	.trigger =	snd_intel8x0_pcm_trigger,
1487	.pointer =	snd_intel8x0_pcm_pointer,
1488};
1489
1490static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1491	.open =		snd_intel8x0_ali_spdifout_open,
1492	.close =	snd_intel8x0_ali_spdifout_close,
1493	.ioctl =	snd_pcm_lib_ioctl,
1494	.hw_params =	snd_intel8x0_hw_params,
1495	.hw_free =	snd_intel8x0_hw_free,
1496	.prepare =	snd_intel8x0_pcm_prepare,
1497	.trigger =	snd_intel8x0_pcm_trigger,
1498	.pointer =	snd_intel8x0_pcm_pointer,
1499};
1500#endif // NYI
1501
1502struct ich_pcm_table {
1503	char *suffix;
1504	struct snd_pcm_ops *playback_ops;
1505	struct snd_pcm_ops *capture_ops;
1506	size_t prealloc_size;
1507	size_t prealloc_max_size;
1508	int ac97_idx;
1509};
1510
1511static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1512			     struct ich_pcm_table *rec)
1513{
1514	struct snd_pcm *pcm;
1515	int err;
1516	char name[32];
1517
1518	if (rec->suffix)
1519		sprintf(name, "Intel ICH - %s", rec->suffix);
1520	else
1521		strcpy(name, "Intel ICH");
1522	err = snd_pcm_new(chip->card, name, device,
1523			  rec->playback_ops ? 1 : 0,
1524			  rec->capture_ops ? 1 : 0, &pcm);
1525	if (err < 0)
1526		return err;
1527
1528	if (rec->playback_ops)
1529		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1530	if (rec->capture_ops)
1531		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1532
1533	pcm->private_data = chip;
1534	pcm->info_flags = 0;
1535	if (rec->suffix)
1536		sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1537	else
1538		strcpy(pcm->name, chip->card->shortname);
1539	chip->pcm[device] = pcm;
1540
1541	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1542					      snd_dma_pci_data(chip->pci),
1543					      rec->prealloc_size, rec->prealloc_max_size);
1544
1545	if (rec->playback_ops &&
1546	    rec->playback_ops->open == snd_intel8x0_playback_open) {
1547		struct snd_pcm_chmap *chmap;
1548		int chs = 2;
1549		if (chip->multi8)
1550			chs = 8;
1551		else if (chip->multi6)
1552			chs = 6;
1553		else if (chip->multi4)
1554			chs = 4;
1555		err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1556					     snd_pcm_alt_chmaps, chs, 0,
1557					     &chmap);
1558		if (err < 0)
1559			return err;
1560		chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
1561		chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1562	}
1563
1564	return 0;
1565}
1566
1567static struct ich_pcm_table intel_pcms[] = {
1568	{
1569		.playback_ops = &snd_intel8x0_playback_ops,
1570		.capture_ops = &snd_intel8x0_capture_ops,
1571		.prealloc_size = 64 * 1024,
1572		.prealloc_max_size = 128 * 1024,
1573	},
1574	{
1575		.suffix = "MIC ADC",
1576		.capture_ops = &snd_intel8x0_capture_mic_ops,
1577		.prealloc_size = 0,
1578		.prealloc_max_size = 128 * 1024,
1579		.ac97_idx = ICHD_MIC,
1580	},
1581	{
1582		.suffix = "MIC2 ADC",
1583		.capture_ops = &snd_intel8x0_capture_mic2_ops,
1584		.prealloc_size = 0,
1585		.prealloc_max_size = 128 * 1024,
1586		.ac97_idx = ICHD_MIC2,
1587	},
1588	{
1589		.suffix = "ADC2",
1590		.capture_ops = &snd_intel8x0_capture2_ops,
1591		.prealloc_size = 0,
1592		.prealloc_max_size = 128 * 1024,
1593		.ac97_idx = ICHD_PCM2IN,
1594	},
1595	{
1596		.suffix = "IEC958",
1597		.playback_ops = &snd_intel8x0_spdif_ops,
1598		.prealloc_size = 64 * 1024,
1599		.prealloc_max_size = 128 * 1024,
1600		.ac97_idx = ICHD_SPBAR,
1601	},
1602};
1603
1604static struct ich_pcm_table nforce_pcms[] = {
1605	{
1606		.playback_ops = &snd_intel8x0_playback_ops,
1607		.capture_ops = &snd_intel8x0_capture_ops,
1608		.prealloc_size = 64 * 1024,
1609		.prealloc_max_size = 128 * 1024,
1610	},
1611	{
1612		.suffix = "MIC ADC",
1613		.capture_ops = &snd_intel8x0_capture_mic_ops,
1614		.prealloc_size = 0,
1615		.prealloc_max_size = 128 * 1024,
1616		.ac97_idx = NVD_MIC,
1617	},
1618	{
1619		.suffix = "IEC958",
1620		.playback_ops = &snd_intel8x0_spdif_ops,
1621		.prealloc_size = 64 * 1024,
1622		.prealloc_max_size = 128 * 1024,
1623		.ac97_idx = NVD_SPBAR,
1624	},
1625};
1626
1627static struct ich_pcm_table ali_pcms[] = {
1628	{
1629		.playback_ops = &snd_intel8x0_ali_playback_ops,
1630		.capture_ops = &snd_intel8x0_ali_capture_ops,
1631		.prealloc_size = 64 * 1024,
1632		.prealloc_max_size = 128 * 1024,
1633	},
1634	{
1635		.suffix = "MIC ADC",
1636		.capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1637		.prealloc_size = 0,
1638		.prealloc_max_size = 128 * 1024,
1639		.ac97_idx = ALID_MIC,
1640	},
1641	{
1642		.suffix = "IEC958",
1643		.playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1644		/* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1645		.prealloc_size = 64 * 1024,
1646		.prealloc_max_size = 128 * 1024,
1647		.ac97_idx = ALID_AC97SPDIFOUT,
1648	},
1649#if 0 // NYI
1650	{
1651		.suffix = "HW IEC958",
1652		.playback_ops = &snd_intel8x0_ali_spdifout_ops,
1653		.prealloc_size = 64 * 1024,
1654		.prealloc_max_size = 128 * 1024,
1655	},
1656#endif
1657};
1658
1659static int snd_intel8x0_pcm(struct intel8x0 *chip)
1660{
1661	int i, tblsize, device, err;
1662	struct ich_pcm_table *tbl, *rec;
1663
1664	switch (chip->device_type) {
1665	case DEVICE_INTEL_ICH4:
1666		tbl = intel_pcms;
1667		tblsize = ARRAY_SIZE(intel_pcms);
1668		if (spdif_aclink)
1669			tblsize--;
1670		break;
1671	case DEVICE_NFORCE:
1672		tbl = nforce_pcms;
1673		tblsize = ARRAY_SIZE(nforce_pcms);
1674		if (spdif_aclink)
1675			tblsize--;
1676		break;
1677	case DEVICE_ALI:
1678		tbl = ali_pcms;
1679		tblsize = ARRAY_SIZE(ali_pcms);
1680		break;
1681	default:
1682		tbl = intel_pcms;
1683		tblsize = 2;
1684		break;
1685	}
1686
1687	device = 0;
1688	for (i = 0; i < tblsize; i++) {
1689		rec = tbl + i;
1690		if (i > 0 && rec->ac97_idx) {
1691			/* activate PCM only when associated AC'97 codec */
1692			if (! chip->ichd[rec->ac97_idx].pcm)
1693				continue;
1694		}
1695		err = snd_intel8x0_pcm1(chip, device, rec);
1696		if (err < 0)
1697			return err;
1698		device++;
1699	}
1700
1701	chip->pcm_devs = device;
1702	return 0;
1703}
1704	
1705
1706/*
1707 *  Mixer part
1708 */
1709
1710static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1711{
1712	struct intel8x0 *chip = bus->private_data;
1713	chip->ac97_bus = NULL;
1714}
1715
1716static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1717{
1718	struct intel8x0 *chip = ac97->private_data;
1719	chip->ac97[ac97->num] = NULL;
1720}
1721
1722static struct ac97_pcm ac97_pcm_defs[] = {
1723	/* front PCM */
1724	{
1725		.exclusive = 1,
1726		.r = {	{
1727				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1728					 (1 << AC97_SLOT_PCM_RIGHT) |
1729					 (1 << AC97_SLOT_PCM_CENTER) |
1730					 (1 << AC97_SLOT_PCM_SLEFT) |
1731					 (1 << AC97_SLOT_PCM_SRIGHT) |
1732					 (1 << AC97_SLOT_LFE)
1733			},
1734			{
1735				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1736					 (1 << AC97_SLOT_PCM_RIGHT) |
1737					 (1 << AC97_SLOT_PCM_LEFT_0) |
1738					 (1 << AC97_SLOT_PCM_RIGHT_0)
1739			}
1740		}
1741	},
1742	/* PCM IN #1 */
1743	{
1744		.stream = 1,
1745		.exclusive = 1,
1746		.r = {	{
1747				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1748					 (1 << AC97_SLOT_PCM_RIGHT)
1749			}
1750		}
1751	},
1752	/* MIC IN #1 */
1753	{
1754		.stream = 1,
1755		.exclusive = 1,
1756		.r = {	{
1757				.slots = (1 << AC97_SLOT_MIC)
1758			}
1759		}
1760	},
1761	/* S/PDIF PCM */
1762	{
1763		.exclusive = 1,
1764		.spdif = 1,
1765		.r = {	{
1766				.slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1767					 (1 << AC97_SLOT_SPDIF_RIGHT2)
1768			}
1769		}
1770	},
1771	/* PCM IN #2 */
1772	{
1773		.stream = 1,
1774		.exclusive = 1,
1775		.r = {	{
1776				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1777					 (1 << AC97_SLOT_PCM_RIGHT)
1778			}
1779		}
1780	},
1781	/* MIC IN #2 */
1782	{
1783		.stream = 1,
1784		.exclusive = 1,
1785		.r = {	{
1786				.slots = (1 << AC97_SLOT_MIC)
1787			}
1788		}
1789	},
1790};
1791
1792static const struct ac97_quirk ac97_quirks[] = {
1793        {
1794		.subvendor = 0x0e11,
1795		.subdevice = 0x000e,
1796		.name = "Compaq Deskpro EN",	/* AD1885 */
1797		.type = AC97_TUNE_HP_ONLY
1798        },
1799	{
1800		.subvendor = 0x0e11,
1801		.subdevice = 0x008a,
1802		.name = "Compaq Evo W4000",	/* AD1885 */
1803		.type = AC97_TUNE_HP_ONLY
1804	},
1805	{
1806		.subvendor = 0x0e11,
1807		.subdevice = 0x00b8,
1808		.name = "Compaq Evo D510C",
1809		.type = AC97_TUNE_HP_ONLY
1810	},
1811        {
1812		.subvendor = 0x0e11,
1813		.subdevice = 0x0860,
1814		.name = "HP/Compaq nx7010",
1815		.type = AC97_TUNE_MUTE_LED
1816        },
1817	{
1818		.subvendor = 0x1014,
1819		.subdevice = 0x0534,
1820		.name = "ThinkPad X31",
1821		.type = AC97_TUNE_INV_EAPD
1822	},
1823	{
1824		.subvendor = 0x1014,
1825		.subdevice = 0x1f00,
1826		.name = "MS-9128",
1827		.type = AC97_TUNE_ALC_JACK
1828	},
1829	{
1830		.subvendor = 0x1014,
1831		.subdevice = 0x0267,
1832		.name = "IBM NetVista A30p",	/* AD1981B */
1833		.type = AC97_TUNE_HP_ONLY
1834	},
1835	{
1836		.subvendor = 0x1025,
1837		.subdevice = 0x0082,
1838		.name = "Acer Travelmate 2310",
1839		.type = AC97_TUNE_HP_ONLY
1840	},
1841	{
1842		.subvendor = 0x1025,
1843		.subdevice = 0x0083,
1844		.name = "Acer Aspire 3003LCi",
1845		.type = AC97_TUNE_HP_ONLY
1846	},
1847	{
1848		.subvendor = 0x1028,
1849		.subdevice = 0x00d8,
1850		.name = "Dell Precision 530",	/* AD1885 */
1851		.type = AC97_TUNE_HP_ONLY
1852	},
1853	{
1854		.subvendor = 0x1028,
1855		.subdevice = 0x010d,
1856		.name = "Dell",	/* which model?  AD1885 */
1857		.type = AC97_TUNE_HP_ONLY
1858	},
1859	{
1860		.subvendor = 0x1028,
1861		.subdevice = 0x0126,
1862		.name = "Dell Optiplex GX260",	/* AD1981A */
1863		.type = AC97_TUNE_HP_ONLY
1864	},
1865	{
1866		.subvendor = 0x1028,
1867		.subdevice = 0x012c,
1868		.name = "Dell Precision 650",	/* AD1981A */
1869		.type = AC97_TUNE_HP_ONLY
1870	},
1871	{
1872		.subvendor = 0x1028,
1873		.subdevice = 0x012d,
1874		.name = "Dell Precision 450",	/* AD1981B*/
1875		.type = AC97_TUNE_HP_ONLY
1876	},
1877	{
1878		.subvendor = 0x1028,
1879		.subdevice = 0x0147,
1880		.name = "Dell",	/* which model?  AD1981B*/
1881		.type = AC97_TUNE_HP_ONLY
1882	},
1883	{
1884		.subvendor = 0x1028,
1885		.subdevice = 0x0151,
1886		.name = "Dell Optiplex GX270",  /* AD1981B */
1887		.type = AC97_TUNE_HP_ONLY
1888	},
1889	{
1890		.subvendor = 0x1028,
1891		.subdevice = 0x014e,
1892		.name = "Dell D800", /* STAC9750/51 */
1893		.type = AC97_TUNE_HP_ONLY
1894	},
1895	{
1896		.subvendor = 0x1028,
1897		.subdevice = 0x0163,
1898		.name = "Dell Unknown",	/* STAC9750/51 */
1899		.type = AC97_TUNE_HP_ONLY
1900	},
1901	{
1902		.subvendor = 0x1028,
1903		.subdevice = 0x016a,
1904		.name = "Dell Inspiron 8600",	/* STAC9750/51 */
1905		.type = AC97_TUNE_HP_ONLY
1906	},
1907	{
1908		.subvendor = 0x1028,
1909		.subdevice = 0x0182,
1910		.name = "Dell Latitude D610",	/* STAC9750/51 */
1911		.type = AC97_TUNE_HP_ONLY
1912	},
1913	{
1914		.subvendor = 0x1028,
1915		.subdevice = 0x0186,
1916		.name = "Dell Latitude D810", /* cf. Malone #41015 */
1917		.type = AC97_TUNE_HP_MUTE_LED
1918	},
1919	{
1920		.subvendor = 0x1028,
1921		.subdevice = 0x0188,
1922		.name = "Dell Inspiron 6000",
1923		.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1924	},
1925	{
1926		.subvendor = 0x1028,
1927		.subdevice = 0x0189,
1928		.name = "Dell Inspiron 9300",
1929		.type = AC97_TUNE_HP_MUTE_LED
1930	},
1931	{
1932		.subvendor = 0x1028,
1933		.subdevice = 0x0191,
1934		.name = "Dell Inspiron 8600",
1935		.type = AC97_TUNE_HP_ONLY
1936	},
1937	{
1938		.subvendor = 0x103c,
1939		.subdevice = 0x006d,
1940		.name = "HP zv5000",
1941		.type = AC97_TUNE_MUTE_LED	/*AD1981B*/
1942	},
1943	{	/* FIXME: which codec? */
1944		.subvendor = 0x103c,
1945		.subdevice = 0x00c3,
1946		.name = "HP xw6000",
1947		.type = AC97_TUNE_HP_ONLY
1948	},
1949	{
1950		.subvendor = 0x103c,
1951		.subdevice = 0x088c,
1952		.name = "HP nc8000",
1953		.type = AC97_TUNE_HP_MUTE_LED
1954	},
1955	{
1956		.subvendor = 0x103c,
1957		.subdevice = 0x0890,
1958		.name = "HP nc6000",
1959		.type = AC97_TUNE_MUTE_LED
1960	},
1961	{
1962		.subvendor = 0x103c,
1963		.subdevice = 0x129d,
1964		.name = "HP xw8000",
1965		.type = AC97_TUNE_HP_ONLY
1966	},
1967	{
1968		.subvendor = 0x103c,
1969		.subdevice = 0x0938,
1970		.name = "HP nc4200",
1971		.type = AC97_TUNE_HP_MUTE_LED
1972	},
1973	{
1974		.subvendor = 0x103c,
1975		.subdevice = 0x099c,
1976		.name = "HP nx6110/nc6120",
1977		.type = AC97_TUNE_HP_MUTE_LED
1978	},
1979	{
1980		.subvendor = 0x103c,
1981		.subdevice = 0x0944,
1982		.name = "HP nc6220",
1983		.type = AC97_TUNE_HP_MUTE_LED
1984	},
1985	{
1986		.subvendor = 0x103c,
1987		.subdevice = 0x0934,
1988		.name = "HP nc8220",
1989		.type = AC97_TUNE_HP_MUTE_LED
1990	},
1991	{
1992		.subvendor = 0x103c,
1993		.subdevice = 0x12f1,
1994		.name = "HP xw8200",	/* AD1981B*/
1995		.type = AC97_TUNE_HP_ONLY
1996	},
1997	{
1998		.subvendor = 0x103c,
1999		.subdevice = 0x12f2,
2000		.name = "HP xw6200",
2001		.type = AC97_TUNE_HP_ONLY
2002	},
2003	{
2004		.subvendor = 0x103c,
2005		.subdevice = 0x3008,
2006		.name = "HP xw4200",	/* AD1981B*/
2007		.type = AC97_TUNE_HP_ONLY
2008	},
2009	{
2010		.subvendor = 0x104d,
2011		.subdevice = 0x8144,
2012		.name = "Sony",
2013		.type = AC97_TUNE_INV_EAPD
2014	},
2015	{
2016		.subvendor = 0x104d,
2017		.subdevice = 0x8197,
2018		.name = "Sony S1XP",
2019		.type = AC97_TUNE_INV_EAPD
2020	},
2021	{
2022		.subvendor = 0x104d,
2023		.subdevice = 0x81c0,
2024		.name = "Sony VAIO VGN-T350P", /*AD1981B*/
2025		.type = AC97_TUNE_INV_EAPD
2026	},
2027	{
2028		.subvendor = 0x104d,
2029		.subdevice = 0x81c5,
2030		.name = "Sony VAIO VGN-B1VP", /*AD1981B*/
2031		.type = AC97_TUNE_INV_EAPD
2032	},
2033 	{
2034		.subvendor = 0x1043,
2035		.subdevice = 0x80f3,
2036		.name = "ASUS ICH5/AD1985",
2037		.type = AC97_TUNE_AD_SHARING
2038	},
2039	{
2040		.subvendor = 0x10cf,
2041		.subdevice = 0x11c3,
2042		.name = "Fujitsu-Siemens E4010",
2043		.type = AC97_TUNE_HP_ONLY
2044	},
2045	{
2046		.subvendor = 0x10cf,
2047		.subdevice = 0x1225,
2048		.name = "Fujitsu-Siemens T3010",
2049		.type = AC97_TUNE_HP_ONLY
2050	},
2051	{
2052		.subvendor = 0x10cf,
2053		.subdevice = 0x1253,
2054		.name = "Fujitsu S6210",	/* STAC9750/51 */
2055		.type = AC97_TUNE_HP_ONLY
2056	},
2057	{
2058		.subvendor = 0x10cf,
2059		.subdevice = 0x127d,
2060		.name = "Fujitsu Lifebook P7010",
2061		.type = AC97_TUNE_HP_ONLY
2062	},
2063	{
2064		.subvendor = 0x10cf,
2065		.subdevice = 0x127e,
2066		.name = "Fujitsu Lifebook C1211D",
2067		.type = AC97_TUNE_HP_ONLY
2068	},
2069	{
2070		.subvendor = 0x10cf,
2071		.subdevice = 0x12ec,
2072		.name = "Fujitsu-Siemens 4010",
2073		.type = AC97_TUNE_HP_ONLY
2074	},
2075	{
2076		.subvendor = 0x10cf,
2077		.subdevice = 0x12f2,
2078		.name = "Fujitsu-Siemens Celsius H320",
2079		.type = AC97_TUNE_SWAP_HP
2080	},
2081	{
2082		.subvendor = 0x10f1,
2083		.subdevice = 0x2665,
2084		.name = "Fujitsu-Siemens Celsius",	/* AD1981? */
2085		.type = AC97_TUNE_HP_ONLY
2086	},
2087	{
2088		.subvendor = 0x10f1,
2089		.subdevice = 0x2885,
2090		.name = "AMD64 Mobo",	/* ALC650 */
2091		.type = AC97_TUNE_HP_ONLY
2092	},
2093	{
2094		.subvendor = 0x10f1,
2095		.subdevice = 0x2895,
2096		.name = "Tyan Thunder K8WE",
2097		.type = AC97_TUNE_HP_ONLY
2098	},
2099	{
2100		.subvendor = 0x10f7,
2101		.subdevice = 0x834c,
2102		.name = "Panasonic CF-R4",
2103		.type = AC97_TUNE_HP_ONLY,
2104	},
2105	{
2106		.subvendor = 0x110a,
2107		.subdevice = 0x0056,
2108		.name = "Fujitsu-Siemens Scenic",	/* AD1981? */
2109		.type = AC97_TUNE_HP_ONLY
2110	},
2111	{
2112		.subvendor = 0x11d4,
2113		.subdevice = 0x5375,
2114		.name = "ADI AD1985 (discrete)",
2115		.type = AC97_TUNE_HP_ONLY
2116	},
2117	{
2118		.subvendor = 0x1462,
2119		.subdevice = 0x5470,
2120		.name = "MSI P4 ATX 645 Ultra",
2121		.type = AC97_TUNE_HP_ONLY
2122	},
2123	{
2124		.subvendor = 0x161f,
2125		.subdevice = 0x202f,
2126		.name = "Gateway M520",
2127		.type = AC97_TUNE_INV_EAPD
2128	},
2129	{
2130		.subvendor = 0x161f,
2131		.subdevice = 0x203a,
2132		.name = "Gateway 4525GZ",		/* AD1981B */
2133		.type = AC97_TUNE_INV_EAPD
2134	},
2135	{
2136		.subvendor = 0x1734,
2137		.subdevice = 0x0088,
2138		.name = "Fujitsu-Siemens D1522",	/* AD1981 */
2139		.type = AC97_TUNE_HP_ONLY
2140	},
2141	{
2142		.subvendor = 0x8086,
2143		.subdevice = 0x2000,
2144		.mask = 0xfff0,
2145		.name = "Intel ICH5/AD1985",
2146		.type = AC97_TUNE_AD_SHARING
2147	},
2148	{
2149		.subvendor = 0x8086,
2150		.subdevice = 0x4000,
2151		.mask = 0xfff0,
2152		.name = "Intel ICH5/AD1985",
2153		.type = AC97_TUNE_AD_SHARING
2154	},
2155	{
2156		.subvendor = 0x8086,
2157		.subdevice = 0x4856,
2158		.name = "Intel D845WN (82801BA)",
2159		.type = AC97_TUNE_SWAP_HP
2160	},
2161	{
2162		.subvendor = 0x8086,
2163		.subdevice = 0x4d44,
2164		.name = "Intel D850EMV2",	/* AD1885 */
2165		.type = AC97_TUNE_HP_ONLY
2166	},
2167	{
2168		.subvendor = 0x8086,
2169		.subdevice = 0x4d56,
2170		.name = "Intel ICH/AD1885",
2171		.type = AC97_TUNE_HP_ONLY
2172	},
2173	{
2174		.subvendor = 0x8086,
2175		.subdevice = 0x6000,
2176		.mask = 0xfff0,
2177		.name = "Intel ICH5/AD1985",
2178		.type = AC97_TUNE_AD_SHARING
2179	},
2180	{
2181		.subvendor = 0x8086,
2182		.subdevice = 0xe000,
2183		.mask = 0xfff0,
2184		.name = "Intel ICH5/AD1985",
2185		.type = AC97_TUNE_AD_SHARING
2186	},
2187#if 0 /* FIXME: this seems wrong on most boards */
2188	{
2189		.subvendor = 0x8086,
2190		.subdevice = 0xa000,
2191		.mask = 0xfff0,
2192		.name = "Intel ICH5/AD1985",
2193		.type = AC97_TUNE_HP_ONLY
2194	},
2195#endif
2196	{ } /* terminator */
2197};
2198
2199static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2200			      const char *quirk_override)
2201{
2202	struct snd_ac97_bus *pbus;
2203	struct snd_ac97_template ac97;
2204	int err;
2205	unsigned int i, codecs;
2206	unsigned int glob_sta = 0;
2207	struct snd_ac97_bus_ops *ops;
2208	static struct snd_ac97_bus_ops standard_bus_ops = {
2209		.write = snd_intel8x0_codec_write,
2210		.read = snd_intel8x0_codec_read,
2211	};
2212	static struct snd_ac97_bus_ops ali_bus_ops = {
2213		.write = snd_intel8x0_ali_codec_write,
2214		.read = snd_intel8x0_ali_codec_read,
2215	};
2216
2217	chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2218	if (!spdif_aclink) {
2219		switch (chip->device_type) {
2220		case DEVICE_NFORCE:
2221			chip->spdif_idx = NVD_SPBAR;
2222			break;
2223		case DEVICE_ALI:
2224			chip->spdif_idx = ALID_AC97SPDIFOUT;
2225			break;
2226		case DEVICE_INTEL_ICH4:
2227			chip->spdif_idx = ICHD_SPBAR;
2228			break;
2229		}
2230	}
2231
2232	chip->in_ac97_init = 1;
2233	
2234	memset(&ac97, 0, sizeof(ac97));
2235	ac97.private_data = chip;
2236	ac97.private_free = snd_intel8x0_mixer_free_ac97;
2237	ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2238	if (chip->xbox)
2239		ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2240	if (chip->device_type != DEVICE_ALI) {
2241		glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2242		ops = &standard_bus_ops;
2243		chip->in_sdin_init = 1;
2244		codecs = 0;
2245		for (i = 0; i < chip->max_codecs; i++) {
2246			if (! (glob_sta & chip->codec_bit[i]))
2247				continue;
2248			if (chip->device_type == DEVICE_INTEL_ICH4) {
2249				snd_intel8x0_codec_read_test(chip, codecs);
2250				chip->ac97_sdin[codecs] =
2251					igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2252				if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2253					chip->ac97_sdin[codecs] = 0;
2254			} else
2255				chip->ac97_sdin[codecs] = i;
2256			codecs++;
2257		}
2258		chip->in_sdin_init = 0;
2259		if (! codecs)
2260			codecs = 1;
2261	} else {
2262		ops = &ali_bus_ops;
2263		codecs = 1;
2264		/* detect the secondary codec */
2265		for (i = 0; i < 100; i++) {
2266			unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2267			if (reg & 0x40) {
2268				codecs = 2;
2269				break;
2270			}
2271			iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2272			udelay(1);
2273		}
2274	}
2275	if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2276		goto __err;
2277	pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2278	if (ac97_clock >= 8000 && ac97_clock <= 48000)
2279		pbus->clock = ac97_clock;
2280	/* FIXME: my test board doesn't work well with VRA... */
2281	if (chip->device_type == DEVICE_ALI)
2282		pbus->no_vra = 1;
2283	else
2284		pbus->dra = 1;
2285	chip->ac97_bus = pbus;
2286	chip->ncodecs = codecs;
2287
2288	ac97.pci = chip->pci;
2289	for (i = 0; i < codecs; i++) {
2290		ac97.num = i;
2291		if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2292			if (err != -EACCES)
2293				dev_err(chip->card->dev,
2294					"Unable to initialize codec #%d\n", i);
2295			if (i == 0)
2296				goto __err;
2297		}
2298	}
2299	/* tune up the primary codec */
2300	snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2301	/* enable separate SDINs for ICH4 */
2302	if (chip->device_type == DEVICE_INTEL_ICH4)
2303		pbus->isdin = 1;
2304	/* find the available PCM streams */
2305	i = ARRAY_SIZE(ac97_pcm_defs);
2306	if (chip->device_type != DEVICE_INTEL_ICH4)
2307		i -= 2;		/* do not allocate PCM2IN and MIC2 */
2308	if (chip->spdif_idx < 0)
2309		i--;		/* do not allocate S/PDIF */
2310	err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2311	if (err < 0)
2312		goto __err;
2313	chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2314	chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2315	chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2316	if (chip->spdif_idx >= 0)
2317		chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2318	if (chip->device_type == DEVICE_INTEL_ICH4) {
2319		chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2320		chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2321	}
2322	/* enable separate SDINs for ICH4 */
2323	if (chip->device_type == DEVICE_INTEL_ICH4) {
2324		struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2325		u8 tmp = igetbyte(chip, ICHREG(SDM));
2326		tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2327		if (pcm) {
2328			tmp |= ICH_SE;	/* steer enable for multiple SDINs */
2329			tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2330			for (i = 1; i < 4; i++) {
2331				if (pcm->r[0].codec[i]) {
2332					tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2333					break;
2334				}
2335			}
2336		} else {
2337			tmp &= ~ICH_SE; /* steer disable */
2338		}
2339		iputbyte(chip, ICHREG(SDM), tmp);
2340	}
2341	if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2342		chip->multi4 = 1;
2343		if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2344			chip->multi6 = 1;
2345			if (chip->ac97[0]->flags & AC97_HAS_8CH)
2346				chip->multi8 = 1;
2347		}
2348	}
2349	if (pbus->pcms[0].r[1].rslots[0]) {
2350		chip->dra = 1;
2351	}
2352	if (chip->device_type == DEVICE_INTEL_ICH4) {
2353		if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2354			chip->smp20bit = 1;
2355	}
2356	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2357		/* 48kHz only */
2358		chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2359	}
2360	if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2361		/* use slot 10/11 for SPDIF */
2362		u32 val;
2363		val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2364		val |= ICH_PCM_SPDIF_1011;
2365		iputdword(chip, ICHREG(GLOB_CNT), val);
2366		snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2367	}
2368	chip->in_ac97_init = 0;
2369	return 0;
2370
2371 __err:
2372	/* clear the cold-reset bit for the next chance */
2373	if (chip->device_type != DEVICE_ALI)
2374		iputdword(chip, ICHREG(GLOB_CNT),
2375			  igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2376	return err;
2377}
2378
2379
2380/*
2381 *
2382 */
2383
2384static void do_ali_reset(struct intel8x0 *chip)
2385{
2386	iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2387	iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2388	iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2389	iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2390	iputdword(chip, ICHREG(ALI_INTERFACECR),
2391		  ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2392	iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2393	iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2394}
2395
2396#ifdef CONFIG_SND_AC97_POWER_SAVE
2397static struct snd_pci_quirk ich_chip_reset_mode[] = {
2398	SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2399	{ } /* end */
2400};
2401
2402static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2403{
2404	unsigned int cnt;
2405	/* ACLink on, 2 channels */
2406
2407	if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2408		return -EIO;
2409
2410	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2411	cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2412
2413	/* do cold reset - the full ac97 powerdown may leave the controller
2414	 * in a warm state but actually it cannot communicate with the codec.
2415	 */
2416	iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2417	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2418	udelay(10);
2419	iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2420	msleep(1);
2421	return 0;
2422}
2423#define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2424	(!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2425#else
2426#define snd_intel8x0_ich_chip_cold_reset(chip)	0
2427#define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2428#endif
2429
2430static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2431{
2432	unsigned long end_time;
2433	unsigned int cnt;
2434	/* ACLink on, 2 channels */
2435	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2436	cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2437	/* finish cold or do warm reset */
2438	cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2439	iputdword(chip, ICHREG(GLOB_CNT), cnt);
2440	end_time = (jiffies + (HZ / 4)) + 1;
2441	do {
2442		if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2443			return 0;
2444		schedule_timeout_uninterruptible(1);
2445	} while (time_after_eq(end_time, jiffies));
2446	dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n",
2447		   igetdword(chip, ICHREG(GLOB_CNT)));
2448	return -EIO;
2449}
2450
2451static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2452{
2453	unsigned long end_time;
2454	unsigned int status, nstatus;
2455	unsigned int cnt;
2456	int err;
2457
2458	/* put logic to right state */
2459	/* first clear status bits */
2460	status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2461	if (chip->device_type == DEVICE_NFORCE)
2462		status |= ICH_NVSPINT;
2463	cnt = igetdword(chip, ICHREG(GLOB_STA));
2464	iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2465
2466	if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2467		err = snd_intel8x0_ich_chip_cold_reset(chip);
2468	else
2469		err = snd_intel8x0_ich_chip_reset(chip);
2470	if (err < 0)
2471		return err;
2472
2473	if (probing) {
2474		/* wait for any codec ready status.
2475		 * Once it becomes ready it should remain ready
2476		 * as long as we do not disable the ac97 link.
2477		 */
2478		end_time = jiffies + HZ;
2479		do {
2480			status = igetdword(chip, ICHREG(GLOB_STA)) &
2481				chip->codec_isr_bits;
2482			if (status)
2483				break;
2484			schedule_timeout_uninterruptible(1);
2485		} while (time_after_eq(end_time, jiffies));
2486		if (! status) {
2487			/* no codec is found */
2488			dev_err(chip->card->dev,
2489				"codec_ready: codec is not ready [0x%x]\n",
2490				   igetdword(chip, ICHREG(GLOB_STA)));
2491			return -EIO;
2492		}
2493
2494		/* wait for other codecs ready status. */
2495		end_time = jiffies + HZ / 4;
2496		while (status != chip->codec_isr_bits &&
2497		       time_after_eq(end_time, jiffies)) {
2498			schedule_timeout_uninterruptible(1);
2499			status |= igetdword(chip, ICHREG(GLOB_STA)) &
2500				chip->codec_isr_bits;
2501		}
2502
2503	} else {
2504		/* resume phase */
2505		int i;
2506		status = 0;
2507		for (i = 0; i < chip->ncodecs; i++)
2508			if (chip->ac97[i])
2509				status |= chip->codec_bit[chip->ac97_sdin[i]];
2510		/* wait until all the probed codecs are ready */
2511		end_time = jiffies + HZ;
2512		do {
2513			nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2514				chip->codec_isr_bits;
2515			if (status == nstatus)
2516				break;
2517			schedule_timeout_uninterruptible(1);
2518		} while (time_after_eq(end_time, jiffies));
2519	}
2520
2521	if (chip->device_type == DEVICE_SIS) {
2522		/* unmute the output on SIS7012 */
2523		iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2524	}
2525	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2526		/* enable SPDIF interrupt */
2527		unsigned int val;
2528		pci_read_config_dword(chip->pci, 0x4c, &val);
2529		val |= 0x1000000;
2530		pci_write_config_dword(chip->pci, 0x4c, val);
2531	}
2532      	return 0;
2533}
2534
2535static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2536{
2537	u32 reg;
2538	int i = 0;
2539
2540	reg = igetdword(chip, ICHREG(ALI_SCR));
2541	if ((reg & 2) == 0)	/* Cold required */
2542		reg |= 2;
2543	else
2544		reg |= 1;	/* Warm */
2545	reg &= ~0x80000000;	/* ACLink on */
2546	iputdword(chip, ICHREG(ALI_SCR), reg);
2547
2548	for (i = 0; i < HZ / 2; i++) {
2549		if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2550			goto __ok;
2551		schedule_timeout_uninterruptible(1);
2552	}
2553	dev_err(chip->card->dev, "AC'97 reset failed.\n");
2554	if (probing)
2555		return -EIO;
2556
2557 __ok:
2558	for (i = 0; i < HZ / 2; i++) {
2559		reg = igetdword(chip, ICHREG(ALI_RTSR));
2560		if (reg & 0x80) /* primary codec */
2561			break;
2562		iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2563		schedule_timeout_uninterruptible(1);
2564	}
2565
2566	do_ali_reset(chip);
2567	return 0;
2568}
2569
2570static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2571{
2572	unsigned int i, timeout;
2573	int err;
2574	
2575	if (chip->device_type != DEVICE_ALI) {
2576		if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2577			return err;
2578		iagetword(chip, 0);	/* clear semaphore flag */
2579	} else {
2580		if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2581			return err;
2582	}
2583
2584	/* disable interrupts */
2585	for (i = 0; i < chip->bdbars_count; i++)
2586		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2587	/* reset channels */
2588	for (i = 0; i < chip->bdbars_count; i++)
2589		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2590	for (i = 0; i < chip->bdbars_count; i++) {
2591	        timeout = 100000;
2592	        while (--timeout != 0) {
2593        		if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2594        		        break;
2595                }
2596                if (timeout == 0)
2597			dev_err(chip->card->dev, "reset of registers failed?\n");
2598        }
2599	/* initialize Buffer Descriptor Lists */
2600	for (i = 0; i < chip->bdbars_count; i++)
2601		iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2602			  chip->ichd[i].bdbar_addr);
2603	return 0;
2604}
2605
2606static int snd_intel8x0_free(struct intel8x0 *chip)
2607{
2608	unsigned int i;
2609
2610	if (chip->irq < 0)
2611		goto __hw_end;
2612	/* disable interrupts */
2613	for (i = 0; i < chip->bdbars_count; i++)
2614		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2615	/* reset channels */
2616	for (i = 0; i < chip->bdbars_count; i++)
2617		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2618	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2619		/* stop the spdif interrupt */
2620		unsigned int val;
2621		pci_read_config_dword(chip->pci, 0x4c, &val);
2622		val &= ~0x1000000;
2623		pci_write_config_dword(chip->pci, 0x4c, val);
2624	}
2625	/* --- */
2626
2627      __hw_end:
2628	if (chip->irq >= 0)
2629		free_irq(chip->irq, chip);
2630	if (chip->bdbars.area) {
2631		if (chip->fix_nocache)
2632			fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2633		snd_dma_free_pages(&chip->bdbars);
2634	}
2635	if (chip->addr)
2636		pci_iounmap(chip->pci, chip->addr);
2637	if (chip->bmaddr)
2638		pci_iounmap(chip->pci, chip->bmaddr);
2639	pci_release_regions(chip->pci);
2640	pci_disable_device(chip->pci);
2641	kfree(chip);
2642	return 0;
2643}
2644
2645#ifdef CONFIG_PM_SLEEP
2646/*
2647 * power management
2648 */
2649static int intel8x0_suspend(struct device *dev)
2650{
2651	struct snd_card *card = dev_get_drvdata(dev);
2652	struct intel8x0 *chip = card->private_data;
2653	int i;
2654
2655	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2656	for (i = 0; i < chip->pcm_devs; i++)
2657		snd_pcm_suspend_all(chip->pcm[i]);
2658	/* clear nocache */
2659	if (chip->fix_nocache) {
2660		for (i = 0; i < chip->bdbars_count; i++) {
2661			struct ichdev *ichdev = &chip->ichd[i];
2662			if (ichdev->substream && ichdev->page_attr_changed) {
2663				struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2664				if (runtime->dma_area)
2665					fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2666			}
2667		}
2668	}
2669	for (i = 0; i < chip->ncodecs; i++)
2670		snd_ac97_suspend(chip->ac97[i]);
2671	if (chip->device_type == DEVICE_INTEL_ICH4)
2672		chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2673
2674	if (chip->irq >= 0) {
2675		free_irq(chip->irq, chip);
2676		chip->irq = -1;
2677	}
 
 
 
 
 
 
2678	return 0;
2679}
2680
2681static int intel8x0_resume(struct device *dev)
2682{
2683	struct pci_dev *pci = to_pci_dev(dev);
2684	struct snd_card *card = dev_get_drvdata(dev);
2685	struct intel8x0 *chip = card->private_data;
2686	int i;
2687
 
 
 
 
 
 
 
 
 
2688	snd_intel8x0_chip_init(chip, 0);
2689	if (request_irq(pci->irq, snd_intel8x0_interrupt,
2690			IRQF_SHARED, KBUILD_MODNAME, chip)) {
2691		dev_err(dev, "unable to grab IRQ %d, disabling device\n",
2692			pci->irq);
2693		snd_card_disconnect(card);
2694		return -EIO;
2695	}
2696	chip->irq = pci->irq;
2697	synchronize_irq(chip->irq);
2698
2699	/* re-initialize mixer stuff */
2700	if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2701		/* enable separate SDINs for ICH4 */
2702		iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2703		/* use slot 10/11 for SPDIF */
2704		iputdword(chip, ICHREG(GLOB_CNT),
2705			  (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2706			  ICH_PCM_SPDIF_1011);
2707	}
2708
2709	/* refill nocache */
2710	if (chip->fix_nocache)
2711		fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2712
2713	for (i = 0; i < chip->ncodecs; i++)
2714		snd_ac97_resume(chip->ac97[i]);
2715
2716	/* refill nocache */
2717	if (chip->fix_nocache) {
2718		for (i = 0; i < chip->bdbars_count; i++) {
2719			struct ichdev *ichdev = &chip->ichd[i];
2720			if (ichdev->substream && ichdev->page_attr_changed) {
2721				struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2722				if (runtime->dma_area)
2723					fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2724			}
2725		}
2726	}
2727
2728	/* resume status */
2729	for (i = 0; i < chip->bdbars_count; i++) {
2730		struct ichdev *ichdev = &chip->ichd[i];
2731		unsigned long port = ichdev->reg_offset;
2732		if (! ichdev->substream || ! ichdev->suspended)
2733			continue;
2734		if (ichdev->ichd == ICHD_PCMOUT)
2735			snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2736		iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2737		iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2738		iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2739		iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2740	}
2741
2742	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2743	return 0;
2744}
2745
2746static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
2747#define INTEL8X0_PM_OPS	&intel8x0_pm
2748#else
2749#define INTEL8X0_PM_OPS	NULL
2750#endif /* CONFIG_PM_SLEEP */
2751
2752#define INTEL8X0_TESTBUF_SIZE	32768	/* enough large for one shot */
2753
2754static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2755{
2756	struct snd_pcm_substream *subs;
2757	struct ichdev *ichdev;
2758	unsigned long port;
2759	unsigned long pos, pos1, t;
2760	int civ, timeout = 1000, attempt = 1;
2761	ktime_t start_time, stop_time;
2762
2763	if (chip->ac97_bus->clock != 48000)
2764		return; /* specified in module option */
2765
2766      __again:
2767	subs = chip->pcm[0]->streams[0].substream;
2768	if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2769		dev_warn(chip->card->dev,
2770			 "no playback buffer allocated - aborting measure ac97 clock\n");
2771		return;
2772	}
2773	ichdev = &chip->ichd[ICHD_PCMOUT];
2774	ichdev->physbuf = subs->dma_buffer.addr;
2775	ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2776	ichdev->substream = NULL; /* don't process interrupts */
2777
2778	/* set rate */
2779	if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2780		dev_err(chip->card->dev, "cannot set ac97 rate: clock = %d\n",
2781			chip->ac97_bus->clock);
2782		return;
2783	}
2784	snd_intel8x0_setup_periods(chip, ichdev);
2785	port = ichdev->reg_offset;
2786	spin_lock_irq(&chip->reg_lock);
2787	chip->in_measurement = 1;
2788	/* trigger */
2789	if (chip->device_type != DEVICE_ALI)
2790		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2791	else {
2792		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2793		iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2794	}
2795	start_time = ktime_get();
2796	spin_unlock_irq(&chip->reg_lock);
2797	msleep(50);
2798	spin_lock_irq(&chip->reg_lock);
2799	/* check the position */
2800	do {
2801		civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2802		pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2803		if (pos1 == 0) {
2804			udelay(10);
2805			continue;
2806		}
2807		if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2808		    pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2809			break;
2810	} while (timeout--);
2811	if (pos1 == 0) {	/* oops, this value is not reliable */
2812		pos = 0;
2813	} else {
2814		pos = ichdev->fragsize1;
2815		pos -= pos1 << ichdev->pos_shift;
2816		pos += ichdev->position;
2817	}
2818	chip->in_measurement = 0;
2819	stop_time = ktime_get();
2820	/* stop */
2821	if (chip->device_type == DEVICE_ALI) {
2822		iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2823		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2824		while (igetbyte(chip, port + ICH_REG_OFF_CR))
2825			;
2826	} else {
2827		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2828		while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2829			;
2830	}
2831	iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2832	spin_unlock_irq(&chip->reg_lock);
2833
2834	if (pos == 0) {
2835		dev_err(chip->card->dev,
2836			"measure - unreliable DMA position..\n");
2837	      __retry:
2838		if (attempt < 3) {
2839			msleep(300);
2840			attempt++;
2841			goto __again;
2842		}
2843		goto __end;
2844	}
2845
2846	pos /= 4;
2847	t = ktime_us_delta(stop_time, start_time);
2848	dev_info(chip->card->dev,
2849		 "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
 
2850	if (t == 0) {
2851		dev_err(chip->card->dev, "?? calculation error..\n");
2852		goto __retry;
2853	}
2854	pos *= 1000;
2855	pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2856	if (pos < 40000 || pos >= 60000) {
2857		/* abnormal value. hw problem? */
2858		dev_info(chip->card->dev, "measured clock %ld rejected\n", pos);
2859		goto __retry;
2860	} else if (pos > 40500 && pos < 41500)
2861		/* first exception - 41000Hz reference clock */
2862		chip->ac97_bus->clock = 41000;
2863	else if (pos > 43600 && pos < 44600)
2864		/* second exception - 44100HZ reference clock */
2865		chip->ac97_bus->clock = 44100;
2866	else if (pos < 47500 || pos > 48500)
2867		/* not 48000Hz, tuning the clock.. */
2868		chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2869      __end:
2870	dev_info(chip->card->dev, "clocking to %d\n", chip->ac97_bus->clock);
2871	snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2872}
2873
2874static struct snd_pci_quirk intel8x0_clock_list[] = {
2875	SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2876	SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
2877	SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2878	SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2879	SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2880	SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2881	{ }	/* terminator */
2882};
2883
2884static int intel8x0_in_clock_list(struct intel8x0 *chip)
2885{
2886	struct pci_dev *pci = chip->pci;
2887	const struct snd_pci_quirk *wl;
2888
2889	wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2890	if (!wl)
2891		return 0;
2892	dev_info(chip->card->dev, "white list rate for %04x:%04x is %i\n",
2893	       pci->subsystem_vendor, pci->subsystem_device, wl->value);
2894	chip->ac97_bus->clock = wl->value;
2895	return 1;
2896}
2897
 
2898static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2899				   struct snd_info_buffer *buffer)
2900{
2901	struct intel8x0 *chip = entry->private_data;
2902	unsigned int tmp;
2903
2904	snd_iprintf(buffer, "Intel8x0\n\n");
2905	if (chip->device_type == DEVICE_ALI)
2906		return;
2907	tmp = igetdword(chip, ICHREG(GLOB_STA));
2908	snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2909	snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2910	if (chip->device_type == DEVICE_INTEL_ICH4)
2911		snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2912	snd_iprintf(buffer, "AC'97 codecs ready    :");
2913	if (tmp & chip->codec_isr_bits) {
2914		int i;
2915		static const char *codecs[3] = {
2916			"primary", "secondary", "tertiary"
2917		};
2918		for (i = 0; i < chip->max_codecs; i++)
2919			if (tmp & chip->codec_bit[i])
2920				snd_iprintf(buffer, " %s", codecs[i]);
2921	} else
2922		snd_iprintf(buffer, " none");
2923	snd_iprintf(buffer, "\n");
2924	if (chip->device_type == DEVICE_INTEL_ICH4 ||
2925	    chip->device_type == DEVICE_SIS)
2926		snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2927			chip->ac97_sdin[0],
2928			chip->ac97_sdin[1],
2929			chip->ac97_sdin[2]);
2930}
2931
2932static void snd_intel8x0_proc_init(struct intel8x0 *chip)
2933{
2934	struct snd_info_entry *entry;
2935
2936	if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2937		snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
2938}
 
 
 
2939
2940static int snd_intel8x0_dev_free(struct snd_device *device)
2941{
2942	struct intel8x0 *chip = device->device_data;
2943	return snd_intel8x0_free(chip);
2944}
2945
2946struct ich_reg_info {
2947	unsigned int int_sta_mask;
2948	unsigned int offset;
2949};
2950
2951static unsigned int ich_codec_bits[3] = {
2952	ICH_PCR, ICH_SCR, ICH_TCR
2953};
2954static unsigned int sis_codec_bits[3] = {
2955	ICH_PCR, ICH_SCR, ICH_SIS_TCR
2956};
2957
2958static int snd_intel8x0_inside_vm(struct pci_dev *pci)
2959{
2960	int result  = inside_vm;
2961	char *msg   = NULL;
2962
2963	/* check module parameter first (override detection) */
2964	if (result >= 0) {
2965		msg = result ? "enable (forced) VM" : "disable (forced) VM";
2966		goto fini;
2967	}
2968
2969	/* check for known (emulated) devices */
2970	result = 0;
2971	if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
2972	    pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) {
2973		/* KVM emulated sound, PCI SSID: 1af4:1100 */
2974		msg = "enable KVM";
2975		result = 1;
2976	} else if (pci->subsystem_vendor == 0x1ab8) {
2977		/* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
2978		msg = "enable Parallels VM";
2979		result = 1;
2980	}
2981
2982fini:
2983	if (msg != NULL)
2984		dev_info(&pci->dev, "%s optimization\n", msg);
2985
2986	return result;
2987}
2988
2989static int snd_intel8x0_create(struct snd_card *card,
2990			       struct pci_dev *pci,
2991			       unsigned long device_type,
2992			       struct intel8x0 **r_intel8x0)
2993{
2994	struct intel8x0 *chip;
2995	int err;
2996	unsigned int i;
2997	unsigned int int_sta_masks;
2998	struct ichdev *ichdev;
2999	static struct snd_device_ops ops = {
3000		.dev_free =	snd_intel8x0_dev_free,
3001	};
3002
3003	static unsigned int bdbars[] = {
3004		3, /* DEVICE_INTEL */
3005		6, /* DEVICE_INTEL_ICH4 */
3006		3, /* DEVICE_SIS */
3007		6, /* DEVICE_ALI */
3008		4, /* DEVICE_NFORCE */
3009	};
3010	static struct ich_reg_info intel_regs[6] = {
3011		{ ICH_PIINT, 0 },
3012		{ ICH_POINT, 0x10 },
3013		{ ICH_MCINT, 0x20 },
3014		{ ICH_M2INT, 0x40 },
3015		{ ICH_P2INT, 0x50 },
3016		{ ICH_SPINT, 0x60 },
3017	};
3018	static struct ich_reg_info nforce_regs[4] = {
3019		{ ICH_PIINT, 0 },
3020		{ ICH_POINT, 0x10 },
3021		{ ICH_MCINT, 0x20 },
3022		{ ICH_NVSPINT, 0x70 },
3023	};
3024	static struct ich_reg_info ali_regs[6] = {
3025		{ ALI_INT_PCMIN, 0x40 },
3026		{ ALI_INT_PCMOUT, 0x50 },
3027		{ ALI_INT_MICIN, 0x60 },
3028		{ ALI_INT_CODECSPDIFOUT, 0x70 },
3029		{ ALI_INT_SPDIFIN, 0xa0 },
3030		{ ALI_INT_SPDIFOUT, 0xb0 },
3031	};
3032	struct ich_reg_info *tbl;
3033
3034	*r_intel8x0 = NULL;
3035
3036	if ((err = pci_enable_device(pci)) < 0)
3037		return err;
3038
3039	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
3040	if (chip == NULL) {
3041		pci_disable_device(pci);
3042		return -ENOMEM;
3043	}
3044	spin_lock_init(&chip->reg_lock);
3045	chip->device_type = device_type;
3046	chip->card = card;
3047	chip->pci = pci;
3048	chip->irq = -1;
3049
3050	/* module parameters */
3051	chip->buggy_irq = buggy_irq;
3052	chip->buggy_semaphore = buggy_semaphore;
3053	if (xbox)
3054		chip->xbox = 1;
3055
3056	chip->inside_vm = snd_intel8x0_inside_vm(pci);
3057
3058	if (pci->vendor == PCI_VENDOR_ID_INTEL &&
3059	    pci->device == PCI_DEVICE_ID_INTEL_440MX)
3060		chip->fix_nocache = 1; /* enable workaround */
3061
3062	if ((err = pci_request_regions(pci, card->shortname)) < 0) {
3063		kfree(chip);
3064		pci_disable_device(pci);
3065		return err;
3066	}
3067
3068	if (device_type == DEVICE_ALI) {
3069		/* ALI5455 has no ac97 region */
3070		chip->bmaddr = pci_iomap(pci, 0, 0);
3071		goto port_inited;
3072	}
3073
3074	if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
3075		chip->addr = pci_iomap(pci, 2, 0);
3076	else
3077		chip->addr = pci_iomap(pci, 0, 0);
3078	if (!chip->addr) {
3079		dev_err(card->dev, "AC'97 space ioremap problem\n");
3080		snd_intel8x0_free(chip);
3081		return -EIO;
3082	}
3083	if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
3084		chip->bmaddr = pci_iomap(pci, 3, 0);
3085	else
3086		chip->bmaddr = pci_iomap(pci, 1, 0);
3087
3088 port_inited:
3089	if (!chip->bmaddr) {
3090		dev_err(card->dev, "Controller space ioremap problem\n");
3091		snd_intel8x0_free(chip);
3092		return -EIO;
3093	}
 
 
3094	chip->bdbars_count = bdbars[device_type];
3095
3096	/* initialize offsets */
3097	switch (device_type) {
3098	case DEVICE_NFORCE:
3099		tbl = nforce_regs;
3100		break;
3101	case DEVICE_ALI:
3102		tbl = ali_regs;
3103		break;
3104	default:
3105		tbl = intel_regs;
3106		break;
3107	}
3108	for (i = 0; i < chip->bdbars_count; i++) {
3109		ichdev = &chip->ichd[i];
3110		ichdev->ichd = i;
3111		ichdev->reg_offset = tbl[i].offset;
3112		ichdev->int_sta_mask = tbl[i].int_sta_mask;
3113		if (device_type == DEVICE_SIS) {
3114			/* SiS 7012 swaps the registers */
3115			ichdev->roff_sr = ICH_REG_OFF_PICB;
3116			ichdev->roff_picb = ICH_REG_OFF_SR;
3117		} else {
3118			ichdev->roff_sr = ICH_REG_OFF_SR;
3119			ichdev->roff_picb = ICH_REG_OFF_PICB;
3120		}
3121		if (device_type == DEVICE_ALI)
3122			ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3123		/* SIS7012 handles the pcm data in bytes, others are in samples */
3124		ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3125	}
3126
3127	/* allocate buffer descriptor lists */
3128	/* the start of each lists must be aligned to 8 bytes */
3129	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
3130				chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3131				&chip->bdbars) < 0) {
3132		snd_intel8x0_free(chip);
3133		dev_err(card->dev, "cannot allocate buffer descriptors\n");
3134		return -ENOMEM;
3135	}
3136	/* tables must be aligned to 8 bytes here, but the kernel pages
3137	   are much bigger, so we don't care (on i386) */
3138	/* workaround for 440MX */
3139	if (chip->fix_nocache)
3140		fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
3141	int_sta_masks = 0;
3142	for (i = 0; i < chip->bdbars_count; i++) {
3143		ichdev = &chip->ichd[i];
3144		ichdev->bdbar = ((u32 *)chip->bdbars.area) +
3145			(i * ICH_MAX_FRAGS * 2);
3146		ichdev->bdbar_addr = chip->bdbars.addr +
3147			(i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3148		int_sta_masks |= ichdev->int_sta_mask;
3149	}
3150	chip->int_sta_reg = device_type == DEVICE_ALI ?
3151		ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3152	chip->int_sta_mask = int_sta_masks;
3153
3154	pci_set_master(pci);
3155
3156	switch(chip->device_type) {
3157	case DEVICE_INTEL_ICH4:
3158		/* ICH4 can have three codecs */
3159		chip->max_codecs = 3;
3160		chip->codec_bit = ich_codec_bits;
3161		chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3162		break;
3163	case DEVICE_SIS:
3164		/* recent SIS7012 can have three codecs */
3165		chip->max_codecs = 3;
3166		chip->codec_bit = sis_codec_bits;
3167		chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3168		break;
3169	default:
3170		/* others up to two codecs */
3171		chip->max_codecs = 2;
3172		chip->codec_bit = ich_codec_bits;
3173		chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3174		break;
3175	}
3176	for (i = 0; i < chip->max_codecs; i++)
3177		chip->codec_isr_bits |= chip->codec_bit[i];
3178
3179	if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3180		snd_intel8x0_free(chip);
3181		return err;
3182	}
3183
3184	/* request irq after initializaing int_sta_mask, etc */
3185	if (request_irq(pci->irq, snd_intel8x0_interrupt,
3186			IRQF_SHARED, KBUILD_MODNAME, chip)) {
3187		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
3188		snd_intel8x0_free(chip);
3189		return -EBUSY;
3190	}
3191	chip->irq = pci->irq;
3192
3193	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3194		snd_intel8x0_free(chip);
3195		return err;
3196	}
3197
 
 
3198	*r_intel8x0 = chip;
3199	return 0;
3200}
3201
3202static struct shortname_table {
3203	unsigned int id;
3204	const char *s;
3205} shortnames[] = {
3206	{ PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3207	{ PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3208	{ PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3209	{ PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3210	{ PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3211	{ PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3212	{ PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3213	{ PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3214	{ PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3215	{ PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3216	{ PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3217	{ PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3218	{ PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3219	{ PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3220	{ PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3221	{ PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3222	{ PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3223	{ PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3224	{ 0x003a, "NVidia MCP04" },
3225	{ 0x746d, "AMD AMD8111" },
3226	{ 0x7445, "AMD AMD768" },
3227	{ 0x5455, "ALi M5455" },
3228	{ 0, NULL },
3229};
3230
3231static struct snd_pci_quirk spdif_aclink_defaults[] = {
3232	SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3233	{ } /* end */
3234};
3235
3236/* look up white/black list for SPDIF over ac-link */
3237static int check_default_spdif_aclink(struct pci_dev *pci)
3238{
3239	const struct snd_pci_quirk *w;
3240
3241	w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3242	if (w) {
3243		if (w->value)
3244			dev_dbg(&pci->dev,
3245				"Using SPDIF over AC-Link for %s\n",
3246				    snd_pci_quirk_name(w));
3247		else
3248			dev_dbg(&pci->dev,
3249				"Using integrated SPDIF DMA for %s\n",
3250				    snd_pci_quirk_name(w));
3251		return w->value;
3252	}
3253	return 0;
3254}
3255
3256static int snd_intel8x0_probe(struct pci_dev *pci,
3257			      const struct pci_device_id *pci_id)
3258{
3259	struct snd_card *card;
3260	struct intel8x0 *chip;
3261	int err;
3262	struct shortname_table *name;
3263
3264	err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
3265	if (err < 0)
3266		return err;
3267
3268	if (spdif_aclink < 0)
3269		spdif_aclink = check_default_spdif_aclink(pci);
3270
3271	strcpy(card->driver, "ICH");
3272	if (!spdif_aclink) {
3273		switch (pci_id->driver_data) {
3274		case DEVICE_NFORCE:
3275			strcpy(card->driver, "NFORCE");
3276			break;
3277		case DEVICE_INTEL_ICH4:
3278			strcpy(card->driver, "ICH4");
3279		}
3280	}
3281
3282	strcpy(card->shortname, "Intel ICH");
3283	for (name = shortnames; name->id; name++) {
3284		if (pci->device == name->id) {
3285			strcpy(card->shortname, name->s);
3286			break;
3287		}
3288	}
3289
3290	if (buggy_irq < 0) {
3291		/* some Nforce[2] and ICH boards have problems with IRQ handling.
3292		 * Needs to return IRQ_HANDLED for unknown irqs.
3293		 */
3294		if (pci_id->driver_data == DEVICE_NFORCE)
3295			buggy_irq = 1;
3296		else
3297			buggy_irq = 0;
3298	}
3299
3300	if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3301				       &chip)) < 0) {
3302		snd_card_free(card);
3303		return err;
3304	}
3305	card->private_data = chip;
3306
3307	if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3308		snd_card_free(card);
3309		return err;
3310	}
3311	if ((err = snd_intel8x0_pcm(chip)) < 0) {
3312		snd_card_free(card);
3313		return err;
3314	}
3315	
3316	snd_intel8x0_proc_init(chip);
3317
3318	snprintf(card->longname, sizeof(card->longname),
3319		 "%s with %s at irq %i", card->shortname,
3320		 snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3321
3322	if (ac97_clock == 0 || ac97_clock == 1) {
3323		if (ac97_clock == 0) {
3324			if (intel8x0_in_clock_list(chip) == 0)
3325				intel8x0_measure_ac97_clock(chip);
3326		} else {
3327			intel8x0_measure_ac97_clock(chip);
3328		}
3329	}
3330
3331	if ((err = snd_card_register(card)) < 0) {
3332		snd_card_free(card);
3333		return err;
3334	}
3335	pci_set_drvdata(pci, card);
3336	return 0;
3337}
3338
3339static void snd_intel8x0_remove(struct pci_dev *pci)
3340{
3341	snd_card_free(pci_get_drvdata(pci));
 
3342}
3343
3344static struct pci_driver intel8x0_driver = {
3345	.name = KBUILD_MODNAME,
3346	.id_table = snd_intel8x0_ids,
3347	.probe = snd_intel8x0_probe,
3348	.remove = snd_intel8x0_remove,
3349	.driver = {
3350		.pm = INTEL8X0_PM_OPS,
3351	},
 
3352};
3353
3354module_pci_driver(intel8x0_driver);
 
 
 
 
 
 
 
 
 
 
 
 
v3.1
   1/*
   2 *   ALSA driver for Intel ICH (i8x0) chipsets
   3 *
   4 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   5 *
   6 *
   7 *   This code also contains alpha support for SiS 735 chipsets provided
   8 *   by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet
   9 *   for SiS735, so the code is not fully functional.
  10 *
  11 *
  12 *   This program is free software; you can redistribute it and/or modify
  13 *   it under the terms of the GNU General Public License as published by
  14 *   the Free Software Foundation; either version 2 of the License, or
  15 *   (at your option) any later version.
  16 *
  17 *   This program is distributed in the hope that it will be useful,
  18 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 *   GNU General Public License for more details.
  21 *
  22 *   You should have received a copy of the GNU General Public License
  23 *   along with this program; if not, write to the Free Software
  24 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  25
  26 *
  27 */      
  28
  29#include <asm/io.h>
  30#include <linux/delay.h>
  31#include <linux/interrupt.h>
  32#include <linux/init.h>
  33#include <linux/pci.h>
  34#include <linux/slab.h>
  35#include <linux/moduleparam.h>
  36#include <sound/core.h>
  37#include <sound/pcm.h>
  38#include <sound/ac97_codec.h>
  39#include <sound/info.h>
  40#include <sound/initval.h>
  41/* for 440MX workaround */
  42#include <asm/pgtable.h>
  43#include <asm/cacheflush.h>
  44
  45MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  46MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
  47MODULE_LICENSE("GPL");
  48MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH},"
  49		"{Intel,82901AB-ICH0},"
  50		"{Intel,82801BA-ICH2},"
  51		"{Intel,82801CA-ICH3},"
  52		"{Intel,82801DB-ICH4},"
  53		"{Intel,ICH5},"
  54		"{Intel,ICH6},"
  55		"{Intel,ICH7},"
  56		"{Intel,6300ESB},"
  57		"{Intel,ESB2},"
  58		"{Intel,MX440},"
  59		"{SiS,SI7012},"
  60		"{NVidia,nForce Audio},"
  61		"{NVidia,nForce2 Audio},"
  62		"{NVidia,nForce3 Audio},"
  63		"{NVidia,MCP04},"
  64		"{NVidia,MCP501},"
  65		"{NVidia,CK804},"
  66		"{NVidia,CK8},"
  67		"{NVidia,CK8S},"
  68		"{AMD,AMD768},"
  69		"{AMD,AMD8111},"
  70	        "{ALI,M5455}}");
  71
  72static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
  73static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */
  74static int ac97_clock;
  75static char *ac97_quirk;
  76static int buggy_semaphore;
  77static int buggy_irq = -1; /* auto-check */
  78static int xbox;
  79static int spdif_aclink = -1;
 
  80
  81module_param(index, int, 0444);
  82MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
  83module_param(id, charp, 0444);
  84MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
  85module_param(ac97_clock, int, 0444);
  86MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect).");
  87module_param(ac97_quirk, charp, 0444);
  88MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  89module_param(buggy_semaphore, bool, 0444);
  90MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
  91module_param(buggy_irq, bool, 0444);
  92MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
  93module_param(xbox, bool, 0444);
  94MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
  95module_param(spdif_aclink, int, 0444);
  96MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
 
 
  97
  98/* just for backward compatibility */
  99static int enable;
 100module_param(enable, bool, 0444);
 101static int joystick;
 102module_param(joystick, int, 0444);
 103
 104/*
 105 *  Direct registers
 106 */
 107enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
 108
 109#define ICHREG(x) ICH_REG_##x
 110
 111#define DEFINE_REGSET(name,base) \
 112enum { \
 113	ICH_REG_##name##_BDBAR	= base + 0x0,	/* dword - buffer descriptor list base address */ \
 114	ICH_REG_##name##_CIV	= base + 0x04,	/* byte - current index value */ \
 115	ICH_REG_##name##_LVI	= base + 0x05,	/* byte - last valid index */ \
 116	ICH_REG_##name##_SR	= base + 0x06,	/* byte - status register */ \
 117	ICH_REG_##name##_PICB	= base + 0x08,	/* word - position in current buffer */ \
 118	ICH_REG_##name##_PIV	= base + 0x0a,	/* byte - prefetched index value */ \
 119	ICH_REG_##name##_CR	= base + 0x0b,	/* byte - control register */ \
 120};
 121
 122/* busmaster blocks */
 123DEFINE_REGSET(OFF, 0);		/* offset */
 124DEFINE_REGSET(PI, 0x00);	/* PCM in */
 125DEFINE_REGSET(PO, 0x10);	/* PCM out */
 126DEFINE_REGSET(MC, 0x20);	/* Mic in */
 127
 128/* ICH4 busmaster blocks */
 129DEFINE_REGSET(MC2, 0x40);	/* Mic in 2 */
 130DEFINE_REGSET(PI2, 0x50);	/* PCM in 2 */
 131DEFINE_REGSET(SP, 0x60);	/* SPDIF out */
 132
 133/* values for each busmaster block */
 134
 135/* LVI */
 136#define ICH_REG_LVI_MASK		0x1f
 137
 138/* SR */
 139#define ICH_FIFOE			0x10	/* FIFO error */
 140#define ICH_BCIS			0x08	/* buffer completion interrupt status */
 141#define ICH_LVBCI			0x04	/* last valid buffer completion interrupt */
 142#define ICH_CELV			0x02	/* current equals last valid */
 143#define ICH_DCH				0x01	/* DMA controller halted */
 144
 145/* PIV */
 146#define ICH_REG_PIV_MASK		0x1f	/* mask */
 147
 148/* CR */
 149#define ICH_IOCE			0x10	/* interrupt on completion enable */
 150#define ICH_FEIE			0x08	/* fifo error interrupt enable */
 151#define ICH_LVBIE			0x04	/* last valid buffer interrupt enable */
 152#define ICH_RESETREGS			0x02	/* reset busmaster registers */
 153#define ICH_STARTBM			0x01	/* start busmaster operation */
 154
 155
 156/* global block */
 157#define ICH_REG_GLOB_CNT		0x2c	/* dword - global control */
 158#define   ICH_PCM_SPDIF_MASK	0xc0000000	/* s/pdif pcm slot mask (ICH4) */
 159#define   ICH_PCM_SPDIF_NONE	0x00000000	/* reserved - undefined */
 160#define   ICH_PCM_SPDIF_78	0x40000000	/* s/pdif pcm on slots 7&8 */
 161#define   ICH_PCM_SPDIF_69	0x80000000	/* s/pdif pcm on slots 6&9 */
 162#define   ICH_PCM_SPDIF_1011	0xc0000000	/* s/pdif pcm on slots 10&11 */
 163#define   ICH_PCM_20BIT		0x00400000	/* 20-bit samples (ICH4) */
 164#define   ICH_PCM_246_MASK	0x00300000	/* chan mask (not all chips) */
 165#define   ICH_PCM_8		0x00300000      /* 8 channels (not all chips) */
 166#define   ICH_PCM_6		0x00200000	/* 6 channels (not all chips) */
 167#define   ICH_PCM_4		0x00100000	/* 4 channels (not all chips) */
 168#define   ICH_PCM_2		0x00000000	/* 2 channels (stereo) */
 169#define   ICH_SIS_PCM_246_MASK	0x000000c0	/* 6 channels (SIS7012) */
 170#define   ICH_SIS_PCM_6		0x00000080	/* 6 channels (SIS7012) */
 171#define   ICH_SIS_PCM_4		0x00000040	/* 4 channels (SIS7012) */
 172#define   ICH_SIS_PCM_2		0x00000000	/* 2 channels (SIS7012) */
 173#define   ICH_TRIE		0x00000040	/* tertiary resume interrupt enable */
 174#define   ICH_SRIE		0x00000020	/* secondary resume interrupt enable */
 175#define   ICH_PRIE		0x00000010	/* primary resume interrupt enable */
 176#define   ICH_ACLINK		0x00000008	/* AClink shut off */
 177#define   ICH_AC97WARM		0x00000004	/* AC'97 warm reset */
 178#define   ICH_AC97COLD		0x00000002	/* AC'97 cold reset */
 179#define   ICH_GIE		0x00000001	/* GPI interrupt enable */
 180#define ICH_REG_GLOB_STA		0x30	/* dword - global status */
 181#define   ICH_TRI		0x20000000	/* ICH4: tertiary (AC_SDIN2) resume interrupt */
 182#define   ICH_TCR		0x10000000	/* ICH4: tertiary (AC_SDIN2) codec ready */
 183#define   ICH_BCS		0x08000000	/* ICH4: bit clock stopped */
 184#define   ICH_SPINT		0x04000000	/* ICH4: S/PDIF interrupt */
 185#define   ICH_P2INT		0x02000000	/* ICH4: PCM2-In interrupt */
 186#define   ICH_M2INT		0x01000000	/* ICH4: Mic2-In interrupt */
 187#define   ICH_SAMPLE_CAP	0x00c00000	/* ICH4: sample capability bits (RO) */
 188#define   ICH_SAMPLE_16_20	0x00400000	/* ICH4: 16- and 20-bit samples */
 189#define   ICH_MULTICHAN_CAP	0x00300000	/* ICH4: multi-channel capability bits (RO) */
 190#define   ICH_SIS_TRI		0x00080000	/* SIS: tertiary resume irq */
 191#define   ICH_SIS_TCR		0x00040000	/* SIS: tertiary codec ready */
 192#define   ICH_MD3		0x00020000	/* modem power down semaphore */
 193#define   ICH_AD3		0x00010000	/* audio power down semaphore */
 194#define   ICH_RCS		0x00008000	/* read completion status */
 195#define   ICH_BIT3		0x00004000	/* bit 3 slot 12 */
 196#define   ICH_BIT2		0x00002000	/* bit 2 slot 12 */
 197#define   ICH_BIT1		0x00001000	/* bit 1 slot 12 */
 198#define   ICH_SRI		0x00000800	/* secondary (AC_SDIN1) resume interrupt */
 199#define   ICH_PRI		0x00000400	/* primary (AC_SDIN0) resume interrupt */
 200#define   ICH_SCR		0x00000200	/* secondary (AC_SDIN1) codec ready */
 201#define   ICH_PCR		0x00000100	/* primary (AC_SDIN0) codec ready */
 202#define   ICH_MCINT		0x00000080	/* MIC capture interrupt */
 203#define   ICH_POINT		0x00000040	/* playback interrupt */
 204#define   ICH_PIINT		0x00000020	/* capture interrupt */
 205#define   ICH_NVSPINT		0x00000010	/* nforce spdif interrupt */
 206#define   ICH_MOINT		0x00000004	/* modem playback interrupt */
 207#define   ICH_MIINT		0x00000002	/* modem capture interrupt */
 208#define   ICH_GSCI		0x00000001	/* GPI status change interrupt */
 209#define ICH_REG_ACC_SEMA		0x34	/* byte - codec write semaphore */
 210#define   ICH_CAS		0x01		/* codec access semaphore */
 211#define ICH_REG_SDM		0x80
 212#define   ICH_DI2L_MASK		0x000000c0	/* PCM In 2, Mic In 2 data in line */
 213#define   ICH_DI2L_SHIFT	6
 214#define   ICH_DI1L_MASK		0x00000030	/* PCM In 1, Mic In 1 data in line */
 215#define   ICH_DI1L_SHIFT	4
 216#define   ICH_SE		0x00000008	/* steer enable */
 217#define   ICH_LDI_MASK		0x00000003	/* last codec read data input */
 218
 219#define ICH_MAX_FRAGS		32		/* max hw frags */
 220
 221
 222/*
 223 * registers for Ali5455
 224 */
 225
 226/* ALi 5455 busmaster blocks */
 227DEFINE_REGSET(AL_PI, 0x40);	/* ALi PCM in */
 228DEFINE_REGSET(AL_PO, 0x50);	/* Ali PCM out */
 229DEFINE_REGSET(AL_MC, 0x60);	/* Ali Mic in */
 230DEFINE_REGSET(AL_CDC_SPO, 0x70);	/* Ali Codec SPDIF out */
 231DEFINE_REGSET(AL_CENTER, 0x80);		/* Ali center out */
 232DEFINE_REGSET(AL_LFE, 0x90);		/* Ali center out */
 233DEFINE_REGSET(AL_CLR_SPI, 0xa0);	/* Ali Controller SPDIF in */
 234DEFINE_REGSET(AL_CLR_SPO, 0xb0);	/* Ali Controller SPDIF out */
 235DEFINE_REGSET(AL_I2S, 0xc0);	/* Ali I2S in */
 236DEFINE_REGSET(AL_PI2, 0xd0);	/* Ali PCM2 in */
 237DEFINE_REGSET(AL_MC2, 0xe0);	/* Ali Mic2 in */
 238
 239enum {
 240	ICH_REG_ALI_SCR = 0x00,		/* System Control Register */
 241	ICH_REG_ALI_SSR = 0x04,		/* System Status Register  */
 242	ICH_REG_ALI_DMACR = 0x08,	/* DMA Control Register    */
 243	ICH_REG_ALI_FIFOCR1 = 0x0c,	/* FIFO Control Register 1  */
 244	ICH_REG_ALI_INTERFACECR = 0x10,	/* Interface Control Register */
 245	ICH_REG_ALI_INTERRUPTCR = 0x14,	/* Interrupt control Register */
 246	ICH_REG_ALI_INTERRUPTSR = 0x18,	/* Interrupt  Status Register */
 247	ICH_REG_ALI_FIFOCR2 = 0x1c,	/* FIFO Control Register 2   */
 248	ICH_REG_ALI_CPR = 0x20,		/* Command Port Register     */
 249	ICH_REG_ALI_CPR_ADDR = 0x22,	/* ac97 addr write */
 250	ICH_REG_ALI_SPR = 0x24,		/* Status Port Register      */
 251	ICH_REG_ALI_SPR_ADDR = 0x26,	/* ac97 addr read */
 252	ICH_REG_ALI_FIFOCR3 = 0x2c,	/* FIFO Control Register 3  */
 253	ICH_REG_ALI_TTSR = 0x30,	/* Transmit Tag Slot Register */
 254	ICH_REG_ALI_RTSR = 0x34,	/* Receive Tag Slot  Register */
 255	ICH_REG_ALI_CSPSR = 0x38,	/* Command/Status Port Status Register */
 256	ICH_REG_ALI_CAS = 0x3c,		/* Codec Write Semaphore Register */
 257	ICH_REG_ALI_HWVOL = 0xf0,	/* hardware volume control/status */
 258	ICH_REG_ALI_I2SCR = 0xf4,	/* I2S control/status */
 259	ICH_REG_ALI_SPDIFCSR = 0xf8,	/* spdif channel status register  */
 260	ICH_REG_ALI_SPDIFICS = 0xfc,	/* spdif interface control/status  */
 261};
 262
 263#define ALI_CAS_SEM_BUSY	0x80000000
 264#define ALI_CPR_ADDR_SECONDARY	0x100
 265#define ALI_CPR_ADDR_READ	0x80
 266#define ALI_CSPSR_CODEC_READY	0x08
 267#define ALI_CSPSR_READ_OK	0x02
 268#define ALI_CSPSR_WRITE_OK	0x01
 269
 270/* interrupts for the whole chip by interrupt status register finish */
 271 
 272#define ALI_INT_MICIN2		(1<<26)
 273#define ALI_INT_PCMIN2		(1<<25)
 274#define ALI_INT_I2SIN		(1<<24)
 275#define ALI_INT_SPDIFOUT	(1<<23)	/* controller spdif out INTERRUPT */
 276#define ALI_INT_SPDIFIN		(1<<22)
 277#define ALI_INT_LFEOUT		(1<<21)
 278#define ALI_INT_CENTEROUT	(1<<20)
 279#define ALI_INT_CODECSPDIFOUT	(1<<19)
 280#define ALI_INT_MICIN		(1<<18)
 281#define ALI_INT_PCMOUT		(1<<17)
 282#define ALI_INT_PCMIN		(1<<16)
 283#define ALI_INT_CPRAIS		(1<<7)	/* command port available */
 284#define ALI_INT_SPRAIS		(1<<5)	/* status port available */
 285#define ALI_INT_GPIO		(1<<1)
 286#define ALI_INT_MASK		(ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
 287				 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
 288
 289#define ICH_ALI_SC_RESET	(1<<31)	/* master reset */
 290#define ICH_ALI_SC_AC97_DBL	(1<<30)
 291#define ICH_ALI_SC_CODEC_SPDF	(3<<20)	/* 1=7/8, 2=6/9, 3=10/11 */
 292#define ICH_ALI_SC_IN_BITS	(3<<18)
 293#define ICH_ALI_SC_OUT_BITS	(3<<16)
 294#define ICH_ALI_SC_6CH_CFG	(3<<14)
 295#define ICH_ALI_SC_PCM_4	(1<<8)
 296#define ICH_ALI_SC_PCM_6	(2<<8)
 297#define ICH_ALI_SC_PCM_246_MASK	(3<<8)
 298
 299#define ICH_ALI_SS_SEC_ID	(3<<5)
 300#define ICH_ALI_SS_PRI_ID	(3<<3)
 301
 302#define ICH_ALI_IF_AC97SP	(1<<21)
 303#define ICH_ALI_IF_MC		(1<<20)
 304#define ICH_ALI_IF_PI		(1<<19)
 305#define ICH_ALI_IF_MC2		(1<<18)
 306#define ICH_ALI_IF_PI2		(1<<17)
 307#define ICH_ALI_IF_LINE_SRC	(1<<15)	/* 0/1 = slot 3/6 */
 308#define ICH_ALI_IF_MIC_SRC	(1<<14)	/* 0/1 = slot 3/6 */
 309#define ICH_ALI_IF_SPDF_SRC	(3<<12)	/* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
 310#define ICH_ALI_IF_AC97_OUT	(3<<8)	/* 00 = PCM, 10 = spdif-in, 11 = i2s */
 311#define ICH_ALI_IF_PO_SPDF	(1<<3)
 312#define ICH_ALI_IF_PO		(1<<1)
 313
 314/*
 315 *  
 316 */
 317
 318enum {
 319	ICHD_PCMIN,
 320	ICHD_PCMOUT,
 321	ICHD_MIC,
 322	ICHD_MIC2,
 323	ICHD_PCM2IN,
 324	ICHD_SPBAR,
 325	ICHD_LAST = ICHD_SPBAR
 326};
 327enum {
 328	NVD_PCMIN,
 329	NVD_PCMOUT,
 330	NVD_MIC,
 331	NVD_SPBAR,
 332	NVD_LAST = NVD_SPBAR
 333};
 334enum {
 335	ALID_PCMIN,
 336	ALID_PCMOUT,
 337	ALID_MIC,
 338	ALID_AC97SPDIFOUT,
 339	ALID_SPDIFIN,
 340	ALID_SPDIFOUT,
 341	ALID_LAST = ALID_SPDIFOUT
 342};
 343
 344#define get_ichdev(substream) (substream->runtime->private_data)
 345
 346struct ichdev {
 347	unsigned int ichd;			/* ich device number */
 348	unsigned long reg_offset;		/* offset to bmaddr */
 349	u32 *bdbar;				/* CPU address (32bit) */
 350	unsigned int bdbar_addr;		/* PCI bus address (32bit) */
 351	struct snd_pcm_substream *substream;
 352	unsigned int physbuf;			/* physical address (32bit) */
 353        unsigned int size;
 354        unsigned int fragsize;
 355        unsigned int fragsize1;
 356        unsigned int position;
 357	unsigned int pos_shift;
 358	unsigned int last_pos;
 359        int frags;
 360        int lvi;
 361        int lvi_frag;
 362	int civ;
 363	int ack;
 364	int ack_reload;
 365	unsigned int ack_bit;
 366	unsigned int roff_sr;
 367	unsigned int roff_picb;
 368	unsigned int int_sta_mask;		/* interrupt status mask */
 369	unsigned int ali_slot;			/* ALI DMA slot */
 370	struct ac97_pcm *pcm;
 371	int pcm_open_flag;
 372	unsigned int page_attr_changed: 1;
 373	unsigned int suspended: 1;
 374};
 375
 376struct intel8x0 {
 377	unsigned int device_type;
 378
 379	int irq;
 380
 381	void __iomem *addr;
 382	void __iomem *bmaddr;
 383
 384	struct pci_dev *pci;
 385	struct snd_card *card;
 386
 387	int pcm_devs;
 388	struct snd_pcm *pcm[6];
 389	struct ichdev ichd[6];
 390
 391	unsigned multi4: 1,
 392		 multi6: 1,
 393		 multi8 :1,
 394		 dra: 1,
 395		 smp20bit: 1;
 396	unsigned in_ac97_init: 1,
 397		 in_sdin_init: 1;
 398	unsigned in_measurement: 1;	/* during ac97 clock measurement */
 399	unsigned fix_nocache: 1; 	/* workaround for 440MX */
 400	unsigned buggy_irq: 1;		/* workaround for buggy mobos */
 401	unsigned xbox: 1;		/* workaround for Xbox AC'97 detection */
 402	unsigned buggy_semaphore: 1;	/* workaround for buggy codec semaphore */
 
 403
 404	int spdif_idx;	/* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
 405	unsigned int sdm_saved;	/* SDM reg value */
 406
 407	struct snd_ac97_bus *ac97_bus;
 408	struct snd_ac97 *ac97[3];
 409	unsigned int ac97_sdin[3];
 410	unsigned int max_codecs, ncodecs;
 411	unsigned int *codec_bit;
 412	unsigned int codec_isr_bits;
 413	unsigned int codec_ready_bits;
 414
 415	spinlock_t reg_lock;
 416	
 417	u32 bdbars_count;
 418	struct snd_dma_buffer bdbars;
 419	u32 int_sta_reg;		/* interrupt status register */
 420	u32 int_sta_mask;		/* interrupt status mask */
 421};
 422
 423static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0_ids) = {
 424	{ PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },	/* 82801AA */
 425	{ PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },	/* 82901AB */
 426	{ PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },	/* 82801BA */
 427	{ PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },	/* ICH3 */
 428	{ PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
 429	{ PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
 430	{ PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
 431	{ PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
 432	{ PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
 433	{ PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
 434	{ PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },	/* 440MX */
 435	{ PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },	/* SI7012 */
 436	{ PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE },	/* NFORCE */
 437	{ PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE },	/* MCP04 */
 438	{ PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE },	/* NFORCE2 */
 439	{ PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE },	/* CK804 */
 440	{ PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE },	/* CK8 */
 441	{ PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE },	/* NFORCE3 */
 442	{ PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE },	/* CK8S */
 443	{ PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE },	/* MCP51 */
 444	{ PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },	/* AMD8111 */
 445	{ PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },	/* AMD768 */
 446	{ PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */
 447	{ 0, }
 448};
 449
 450MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
 451
 452/*
 453 *  Lowlevel I/O - busmaster
 454 */
 455
 456static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
 457{
 458	return ioread8(chip->bmaddr + offset);
 459}
 460
 461static inline u16 igetword(struct intel8x0 *chip, u32 offset)
 462{
 463	return ioread16(chip->bmaddr + offset);
 464}
 465
 466static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
 467{
 468	return ioread32(chip->bmaddr + offset);
 469}
 470
 471static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
 472{
 473	iowrite8(val, chip->bmaddr + offset);
 474}
 475
 476static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
 477{
 478	iowrite16(val, chip->bmaddr + offset);
 479}
 480
 481static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
 482{
 483	iowrite32(val, chip->bmaddr + offset);
 484}
 485
 486/*
 487 *  Lowlevel I/O - AC'97 registers
 488 */
 489
 490static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
 491{
 492	return ioread16(chip->addr + offset);
 493}
 494
 495static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
 496{
 497	iowrite16(val, chip->addr + offset);
 498}
 499
 500/*
 501 *  Basic I/O
 502 */
 503
 504/*
 505 * access to AC97 codec via normal i/o (for ICH and SIS7012)
 506 */
 507
 508static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
 509{
 510	int time;
 511	
 512	if (codec > 2)
 513		return -EIO;
 514	if (chip->in_sdin_init) {
 515		/* we don't know the ready bit assignment at the moment */
 516		/* so we check any */
 517		codec = chip->codec_isr_bits;
 518	} else {
 519		codec = chip->codec_bit[chip->ac97_sdin[codec]];
 520	}
 521
 522	/* codec ready ? */
 523	if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
 524		return -EIO;
 525
 526	if (chip->buggy_semaphore)
 527		return 0; /* just ignore ... */
 528
 529	/* Anyone holding a semaphore for 1 msec should be shot... */
 530	time = 100;
 531      	do {
 532      		if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
 533      			return 0;
 534		udelay(10);
 535	} while (time--);
 536
 537	/* access to some forbidden (non existent) ac97 registers will not
 538	 * reset the semaphore. So even if you don't get the semaphore, still
 539	 * continue the access. We don't need the semaphore anyway. */
 540	snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
 
 541			igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
 542	iagetword(chip, 0);	/* clear semaphore flag */
 543	/* I don't care about the semaphore */
 544	return -EBUSY;
 545}
 546 
 547static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
 548				     unsigned short reg,
 549				     unsigned short val)
 550{
 551	struct intel8x0 *chip = ac97->private_data;
 552	
 553	if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 554		if (! chip->in_ac97_init)
 555			snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
 
 
 556	}
 557	iaputword(chip, reg + ac97->num * 0x80, val);
 558}
 559
 560static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
 561					      unsigned short reg)
 562{
 563	struct intel8x0 *chip = ac97->private_data;
 564	unsigned short res;
 565	unsigned int tmp;
 566
 567	if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 568		if (! chip->in_ac97_init)
 569			snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg);
 
 
 570		res = 0xffff;
 571	} else {
 572		res = iagetword(chip, reg + ac97->num * 0x80);
 573		if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 574			/* reset RCS and preserve other R/WC bits */
 575			iputdword(chip, ICHREG(GLOB_STA), tmp &
 576				  ~(chip->codec_ready_bits | ICH_GSCI));
 577			if (! chip->in_ac97_init)
 578				snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg);
 
 
 579			res = 0xffff;
 580		}
 581	}
 582	return res;
 583}
 584
 585static void __devinit snd_intel8x0_codec_read_test(struct intel8x0 *chip,
 586						   unsigned int codec)
 587{
 588	unsigned int tmp;
 589
 590	if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
 591		iagetword(chip, codec * 0x80);
 592		if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) {
 593			/* reset RCS and preserve other R/WC bits */
 594			iputdword(chip, ICHREG(GLOB_STA), tmp &
 595				  ~(chip->codec_ready_bits | ICH_GSCI));
 596		}
 597	}
 598}
 599
 600/*
 601 * access to AC97 for Ali5455
 602 */
 603static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
 604{
 605	int count = 0;
 606	for (count = 0; count < 0x7f; count++) {
 607		int val = igetbyte(chip, ICHREG(ALI_CSPSR));
 608		if (val & mask)
 609			return 0;
 610	}
 611	if (! chip->in_ac97_init)
 612		snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n");
 613	return -EBUSY;
 614}
 615
 616static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 617{
 618	int time = 100;
 619	if (chip->buggy_semaphore)
 620		return 0; /* just ignore ... */
 621	while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 622		udelay(1);
 623	if (! time && ! chip->in_ac97_init)
 624		snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n");
 625	return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
 626}
 627
 628static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 629{
 630	struct intel8x0 *chip = ac97->private_data;
 631	unsigned short data = 0xffff;
 632
 633	if (snd_intel8x0_ali_codec_semaphore(chip))
 634		goto __err;
 635	reg |= ALI_CPR_ADDR_READ;
 636	if (ac97->num)
 637		reg |= ALI_CPR_ADDR_SECONDARY;
 638	iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 639	if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
 640		goto __err;
 641	data = igetword(chip, ICHREG(ALI_SPR));
 642 __err:
 643	return data;
 644}
 645
 646static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 647					 unsigned short val)
 648{
 649	struct intel8x0 *chip = ac97->private_data;
 650
 651	if (snd_intel8x0_ali_codec_semaphore(chip))
 652		return;
 653	iputword(chip, ICHREG(ALI_CPR), val);
 654	if (ac97->num)
 655		reg |= ALI_CPR_ADDR_SECONDARY;
 656	iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 657	snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
 658}
 659
 660
 661/*
 662 * DMA I/O
 663 */
 664static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) 
 665{
 666	int idx;
 667	u32 *bdbar = ichdev->bdbar;
 668	unsigned long port = ichdev->reg_offset;
 669
 670	iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
 671	if (ichdev->size == ichdev->fragsize) {
 672		ichdev->ack_reload = ichdev->ack = 2;
 673		ichdev->fragsize1 = ichdev->fragsize >> 1;
 674		for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
 675			bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
 676			bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 677						     ichdev->fragsize1 >> ichdev->pos_shift);
 678			bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
 679			bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 680						     ichdev->fragsize1 >> ichdev->pos_shift);
 681		}
 682		ichdev->frags = 2;
 683	} else {
 684		ichdev->ack_reload = ichdev->ack = 1;
 685		ichdev->fragsize1 = ichdev->fragsize;
 686		for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
 687			bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
 688						     (((idx >> 1) * ichdev->fragsize) %
 689						      ichdev->size));
 690			bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 691						     ichdev->fragsize >> ichdev->pos_shift);
 692#if 0
 693			printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n",
 694			       idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
 695#endif
 696		}
 697		ichdev->frags = ichdev->size / ichdev->fragsize;
 698	}
 699	iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
 700	ichdev->civ = 0;
 701	iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
 702	ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
 703	ichdev->position = 0;
 704#if 0
 705	printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, "
 706	       "period_size1 = 0x%x\n",
 707	       ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
 708	       ichdev->fragsize1);
 709#endif
 710	/* clear interrupts */
 711	iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
 712}
 713
 714#ifdef __i386__
 715/*
 716 * Intel 82443MX running a 100MHz processor system bus has a hardware bug,
 717 * which aborts PCI busmaster for audio transfer.  A workaround is to set
 718 * the pages as non-cached.  For details, see the errata in
 719 *	http://download.intel.com/design/chipsets/specupdt/24505108.pdf
 720 */
 721static void fill_nocache(void *buf, int size, int nocache)
 722{
 723	size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
 724	if (nocache)
 725		set_pages_uc(virt_to_page(buf), size);
 726	else
 727		set_pages_wb(virt_to_page(buf), size);
 728}
 729#else
 730#define fill_nocache(buf, size, nocache) do { ; } while (0)
 731#endif
 732
 733/*
 734 *  Interrupt handler
 735 */
 736
 737static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
 738{
 739	unsigned long port = ichdev->reg_offset;
 740	unsigned long flags;
 741	int status, civ, i, step;
 742	int ack = 0;
 743
 744	spin_lock_irqsave(&chip->reg_lock, flags);
 745	status = igetbyte(chip, port + ichdev->roff_sr);
 746	civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
 747	if (!(status & ICH_BCIS)) {
 748		step = 0;
 749	} else if (civ == ichdev->civ) {
 750		// snd_printd("civ same %d\n", civ);
 751		step = 1;
 752		ichdev->civ++;
 753		ichdev->civ &= ICH_REG_LVI_MASK;
 754	} else {
 755		step = civ - ichdev->civ;
 756		if (step < 0)
 757			step += ICH_REG_LVI_MASK + 1;
 758		// if (step != 1)
 759		//	snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
 760		ichdev->civ = civ;
 761	}
 762
 763	ichdev->position += step * ichdev->fragsize1;
 764	if (! chip->in_measurement)
 765		ichdev->position %= ichdev->size;
 766	ichdev->lvi += step;
 767	ichdev->lvi &= ICH_REG_LVI_MASK;
 768	iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
 769	for (i = 0; i < step; i++) {
 770		ichdev->lvi_frag++;
 771		ichdev->lvi_frag %= ichdev->frags;
 772		ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
 773#if 0
 774	printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, "
 775	       "all = 0x%x, 0x%x\n",
 776	       ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
 777	       ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
 778	       inl(port + 4), inb(port + ICH_REG_OFF_CR));
 779#endif
 780		if (--ichdev->ack == 0) {
 781			ichdev->ack = ichdev->ack_reload;
 782			ack = 1;
 783		}
 784	}
 785	spin_unlock_irqrestore(&chip->reg_lock, flags);
 786	if (ack && ichdev->substream) {
 787		snd_pcm_period_elapsed(ichdev->substream);
 788	}
 789	iputbyte(chip, port + ichdev->roff_sr,
 790		 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 791}
 792
 793static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 794{
 795	struct intel8x0 *chip = dev_id;
 796	struct ichdev *ichdev;
 797	unsigned int status;
 798	unsigned int i;
 799
 800	status = igetdword(chip, chip->int_sta_reg);
 801	if (status == 0xffffffff)	/* we are not yet resumed */
 802		return IRQ_NONE;
 803
 804	if ((status & chip->int_sta_mask) == 0) {
 805		if (status) {
 806			/* ack */
 807			iputdword(chip, chip->int_sta_reg, status);
 808			if (! chip->buggy_irq)
 809				status = 0;
 810		}
 811		return IRQ_RETVAL(status);
 812	}
 813
 814	for (i = 0; i < chip->bdbars_count; i++) {
 815		ichdev = &chip->ichd[i];
 816		if (status & ichdev->int_sta_mask)
 817			snd_intel8x0_update(chip, ichdev);
 818	}
 819
 820	/* ack them */
 821	iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
 822	
 823	return IRQ_HANDLED;
 824}
 825
 826/*
 827 *  PCM part
 828 */
 829
 830static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 831{
 832	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 833	struct ichdev *ichdev = get_ichdev(substream);
 834	unsigned char val = 0;
 835	unsigned long port = ichdev->reg_offset;
 836
 837	switch (cmd) {
 838	case SNDRV_PCM_TRIGGER_RESUME:
 839		ichdev->suspended = 0;
 840		/* fallthru */
 841	case SNDRV_PCM_TRIGGER_START:
 842	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 843		val = ICH_IOCE | ICH_STARTBM;
 844		ichdev->last_pos = ichdev->position;
 845		break;
 846	case SNDRV_PCM_TRIGGER_SUSPEND:
 847		ichdev->suspended = 1;
 848		/* fallthru */
 849	case SNDRV_PCM_TRIGGER_STOP:
 850		val = 0;
 851		break;
 852	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 853		val = ICH_IOCE;
 854		break;
 855	default:
 856		return -EINVAL;
 857	}
 858	iputbyte(chip, port + ICH_REG_OFF_CR, val);
 859	if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 860		/* wait until DMA stopped */
 861		while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
 862		/* reset whole DMA things */
 863		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 864	}
 865	return 0;
 866}
 867
 868static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
 869{
 870	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 871	struct ichdev *ichdev = get_ichdev(substream);
 872	unsigned long port = ichdev->reg_offset;
 873	static int fiforeg[] = {
 874		ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
 875	};
 876	unsigned int val, fifo;
 877
 878	val = igetdword(chip, ICHREG(ALI_DMACR));
 879	switch (cmd) {
 880	case SNDRV_PCM_TRIGGER_RESUME:
 881		ichdev->suspended = 0;
 882		/* fallthru */
 883	case SNDRV_PCM_TRIGGER_START:
 884	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 885		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 886			/* clear FIFO for synchronization of channels */
 887			fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
 888			fifo &= ~(0xff << (ichdev->ali_slot % 4));  
 889			fifo |= 0x83 << (ichdev->ali_slot % 4); 
 890			iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
 891		}
 892		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
 893		val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
 894		/* start DMA */
 895		iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
 896		break;
 897	case SNDRV_PCM_TRIGGER_SUSPEND:
 898		ichdev->suspended = 1;
 899		/* fallthru */
 900	case SNDRV_PCM_TRIGGER_STOP:
 901	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 902		/* pause */
 903		iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
 904		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
 905		while (igetbyte(chip, port + ICH_REG_OFF_CR))
 906			;
 907		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 908			break;
 909		/* reset whole DMA things */
 910		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 911		/* clear interrupts */
 912		iputbyte(chip, port + ICH_REG_OFF_SR,
 913			 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
 914		iputdword(chip, ICHREG(ALI_INTERRUPTSR),
 915			  igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
 916		break;
 917	default:
 918		return -EINVAL;
 919	}
 920	return 0;
 921}
 922
 923static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
 924				  struct snd_pcm_hw_params *hw_params)
 925{
 926	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 927	struct ichdev *ichdev = get_ichdev(substream);
 928	struct snd_pcm_runtime *runtime = substream->runtime;
 929	int dbl = params_rate(hw_params) > 48000;
 930	int err;
 931
 932	if (chip->fix_nocache && ichdev->page_attr_changed) {
 933		fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */
 934		ichdev->page_attr_changed = 0;
 935	}
 936	err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 937	if (err < 0)
 938		return err;
 939	if (chip->fix_nocache) {
 940		if (runtime->dma_area && ! ichdev->page_attr_changed) {
 941			fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
 942			ichdev->page_attr_changed = 1;
 943		}
 944	}
 945	if (ichdev->pcm_open_flag) {
 946		snd_ac97_pcm_close(ichdev->pcm);
 947		ichdev->pcm_open_flag = 0;
 948	}
 949	err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
 950				params_channels(hw_params),
 951				ichdev->pcm->r[dbl].slots);
 952	if (err >= 0) {
 953		ichdev->pcm_open_flag = 1;
 954		/* Force SPDIF setting */
 955		if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
 956			snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
 957					  params_rate(hw_params));
 958	}
 959	return err;
 960}
 961
 962static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
 963{
 964	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 965	struct ichdev *ichdev = get_ichdev(substream);
 966
 967	if (ichdev->pcm_open_flag) {
 968		snd_ac97_pcm_close(ichdev->pcm);
 969		ichdev->pcm_open_flag = 0;
 970	}
 971	if (chip->fix_nocache && ichdev->page_attr_changed) {
 972		fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0);
 973		ichdev->page_attr_changed = 0;
 974	}
 975	return snd_pcm_lib_free_pages(substream);
 976}
 977
 978static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
 979				       struct snd_pcm_runtime *runtime)
 980{
 981	unsigned int cnt;
 982	int dbl = runtime->rate > 48000;
 983
 984	spin_lock_irq(&chip->reg_lock);
 985	switch (chip->device_type) {
 986	case DEVICE_ALI:
 987		cnt = igetdword(chip, ICHREG(ALI_SCR));
 988		cnt &= ~ICH_ALI_SC_PCM_246_MASK;
 989		if (runtime->channels == 4 || dbl)
 990			cnt |= ICH_ALI_SC_PCM_4;
 991		else if (runtime->channels == 6)
 992			cnt |= ICH_ALI_SC_PCM_6;
 993		iputdword(chip, ICHREG(ALI_SCR), cnt);
 994		break;
 995	case DEVICE_SIS:
 996		cnt = igetdword(chip, ICHREG(GLOB_CNT));
 997		cnt &= ~ICH_SIS_PCM_246_MASK;
 998		if (runtime->channels == 4 || dbl)
 999			cnt |= ICH_SIS_PCM_4;
1000		else if (runtime->channels == 6)
1001			cnt |= ICH_SIS_PCM_6;
1002		iputdword(chip, ICHREG(GLOB_CNT), cnt);
1003		break;
1004	default:
1005		cnt = igetdword(chip, ICHREG(GLOB_CNT));
1006		cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
1007		if (runtime->channels == 4 || dbl)
1008			cnt |= ICH_PCM_4;
1009		else if (runtime->channels == 6)
1010			cnt |= ICH_PCM_6;
1011		else if (runtime->channels == 8)
1012			cnt |= ICH_PCM_8;
1013		if (chip->device_type == DEVICE_NFORCE) {
1014			/* reset to 2ch once to keep the 6 channel data in alignment,
1015			 * to start from Front Left always
1016			 */
1017			if (cnt & ICH_PCM_246_MASK) {
1018				iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
1019				spin_unlock_irq(&chip->reg_lock);
1020				msleep(50); /* grrr... */
1021				spin_lock_irq(&chip->reg_lock);
1022			}
1023		} else if (chip->device_type == DEVICE_INTEL_ICH4) {
1024			if (runtime->sample_bits > 16)
1025				cnt |= ICH_PCM_20BIT;
1026		}
1027		iputdword(chip, ICHREG(GLOB_CNT), cnt);
1028		break;
1029	}
1030	spin_unlock_irq(&chip->reg_lock);
1031}
1032
1033static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
1034{
1035	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1036	struct snd_pcm_runtime *runtime = substream->runtime;
1037	struct ichdev *ichdev = get_ichdev(substream);
1038
1039	ichdev->physbuf = runtime->dma_addr;
1040	ichdev->size = snd_pcm_lib_buffer_bytes(substream);
1041	ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
1042	if (ichdev->ichd == ICHD_PCMOUT) {
1043		snd_intel8x0_setup_pcm_out(chip, runtime);
1044		if (chip->device_type == DEVICE_INTEL_ICH4)
1045			ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
1046	}
1047	snd_intel8x0_setup_periods(chip, ichdev);
1048	return 0;
1049}
1050
1051static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
1052{
1053	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1054	struct ichdev *ichdev = get_ichdev(substream);
1055	size_t ptr1, ptr;
1056	int civ, timeout = 10;
1057	unsigned int position;
1058
1059	spin_lock(&chip->reg_lock);
1060	do {
1061		civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1062		ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1063		position = ichdev->position;
1064		if (ptr1 == 0) {
1065			udelay(10);
1066			continue;
1067		}
1068		if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
1069		    ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
 
 
 
 
 
 
 
 
 
 
1070			break;
1071	} while (timeout--);
1072	ptr = ichdev->last_pos;
1073	if (ptr1 != 0) {
1074		ptr1 <<= ichdev->pos_shift;
1075		ptr = ichdev->fragsize1 - ptr1;
1076		ptr += position;
1077		if (ptr < ichdev->last_pos) {
1078			unsigned int pos_base, last_base;
1079			pos_base = position / ichdev->fragsize1;
1080			last_base = ichdev->last_pos / ichdev->fragsize1;
1081			/* another sanity check; ptr1 can go back to full
1082			 * before the base position is updated
1083			 */
1084			if (pos_base == last_base)
1085				ptr = ichdev->last_pos;
1086		}
1087	}
1088	ichdev->last_pos = ptr;
1089	spin_unlock(&chip->reg_lock);
1090	if (ptr >= ichdev->size)
1091		return 0;
1092	return bytes_to_frames(substream->runtime, ptr);
1093}
1094
1095static struct snd_pcm_hardware snd_intel8x0_stream =
1096{
1097	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1098				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1099				 SNDRV_PCM_INFO_MMAP_VALID |
1100				 SNDRV_PCM_INFO_PAUSE |
1101				 SNDRV_PCM_INFO_RESUME),
1102	.formats =		SNDRV_PCM_FMTBIT_S16_LE,
1103	.rates =		SNDRV_PCM_RATE_48000,
1104	.rate_min =		48000,
1105	.rate_max =		48000,
1106	.channels_min =		2,
1107	.channels_max =		2,
1108	.buffer_bytes_max =	128 * 1024,
1109	.period_bytes_min =	32,
1110	.period_bytes_max =	128 * 1024,
1111	.periods_min =		1,
1112	.periods_max =		1024,
1113	.fifo_size =		0,
1114};
1115
1116static unsigned int channels4[] = {
1117	2, 4,
1118};
1119
1120static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1121	.count = ARRAY_SIZE(channels4),
1122	.list = channels4,
1123	.mask = 0,
1124};
1125
1126static unsigned int channels6[] = {
1127	2, 4, 6,
1128};
1129
1130static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1131	.count = ARRAY_SIZE(channels6),
1132	.list = channels6,
1133	.mask = 0,
1134};
1135
1136static unsigned int channels8[] = {
1137	2, 4, 6, 8,
1138};
1139
1140static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1141	.count = ARRAY_SIZE(channels8),
1142	.list = channels8,
1143	.mask = 0,
1144};
1145
1146static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1147{
1148	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1149	struct snd_pcm_runtime *runtime = substream->runtime;
1150	int err;
1151
1152	ichdev->substream = substream;
1153	runtime->hw = snd_intel8x0_stream;
1154	runtime->hw.rates = ichdev->pcm->rates;
1155	snd_pcm_limit_hw_rates(runtime);
1156	if (chip->device_type == DEVICE_SIS) {
1157		runtime->hw.buffer_bytes_max = 64*1024;
1158		runtime->hw.period_bytes_max = 64*1024;
1159	}
1160	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
1161		return err;
1162	runtime->private_data = ichdev;
1163	return 0;
1164}
1165
1166static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1167{
1168	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169	struct snd_pcm_runtime *runtime = substream->runtime;
1170	int err;
1171
1172	err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1173	if (err < 0)
1174		return err;
1175
1176	if (chip->multi8) {
1177		runtime->hw.channels_max = 8;
1178		snd_pcm_hw_constraint_list(runtime, 0,
1179						SNDRV_PCM_HW_PARAM_CHANNELS,
1180						&hw_constraints_channels8);
1181	} else if (chip->multi6) {
1182		runtime->hw.channels_max = 6;
1183		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1184					   &hw_constraints_channels6);
1185	} else if (chip->multi4) {
1186		runtime->hw.channels_max = 4;
1187		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1188					   &hw_constraints_channels4);
1189	}
1190	if (chip->dra) {
1191		snd_ac97_pcm_double_rate_rules(runtime);
1192	}
1193	if (chip->smp20bit) {
1194		runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1195		snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1196	}
1197	return 0;
1198}
1199
1200static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1201{
1202	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1203
1204	chip->ichd[ICHD_PCMOUT].substream = NULL;
1205	return 0;
1206}
1207
1208static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1209{
1210	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1211
1212	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1213}
1214
1215static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1216{
1217	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1218
1219	chip->ichd[ICHD_PCMIN].substream = NULL;
1220	return 0;
1221}
1222
1223static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1224{
1225	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1226
1227	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1228}
1229
1230static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1231{
1232	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1233
1234	chip->ichd[ICHD_MIC].substream = NULL;
1235	return 0;
1236}
1237
1238static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1239{
1240	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1241
1242	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1243}
1244
1245static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1246{
1247	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1248
1249	chip->ichd[ICHD_MIC2].substream = NULL;
1250	return 0;
1251}
1252
1253static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1254{
1255	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1256
1257	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1258}
1259
1260static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1261{
1262	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1263
1264	chip->ichd[ICHD_PCM2IN].substream = NULL;
1265	return 0;
1266}
1267
1268static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1269{
1270	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1271	int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1272
1273	return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1274}
1275
1276static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1277{
1278	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1279	int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1280
1281	chip->ichd[idx].substream = NULL;
1282	return 0;
1283}
1284
1285static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1286{
1287	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1288	unsigned int val;
1289
1290	spin_lock_irq(&chip->reg_lock);
1291	val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1292	val |= ICH_ALI_IF_AC97SP;
1293	iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1294	/* also needs to set ALI_SC_CODEC_SPDF correctly */
1295	spin_unlock_irq(&chip->reg_lock);
1296
1297	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1298}
1299
1300static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1301{
1302	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1303	unsigned int val;
1304
1305	chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1306	spin_lock_irq(&chip->reg_lock);
1307	val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1308	val &= ~ICH_ALI_IF_AC97SP;
1309	iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1310	spin_unlock_irq(&chip->reg_lock);
1311
1312	return 0;
1313}
1314
1315#if 0 // NYI
1316static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1317{
1318	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1319
1320	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1321}
1322
1323static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1324{
1325	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1326
1327	chip->ichd[ALID_SPDIFIN].substream = NULL;
1328	return 0;
1329}
1330
1331static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1332{
1333	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1334
1335	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1336}
1337
1338static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1339{
1340	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1341
1342	chip->ichd[ALID_SPDIFOUT].substream = NULL;
1343	return 0;
1344}
1345#endif
1346
1347static struct snd_pcm_ops snd_intel8x0_playback_ops = {
1348	.open =		snd_intel8x0_playback_open,
1349	.close =	snd_intel8x0_playback_close,
1350	.ioctl =	snd_pcm_lib_ioctl,
1351	.hw_params =	snd_intel8x0_hw_params,
1352	.hw_free =	snd_intel8x0_hw_free,
1353	.prepare =	snd_intel8x0_pcm_prepare,
1354	.trigger =	snd_intel8x0_pcm_trigger,
1355	.pointer =	snd_intel8x0_pcm_pointer,
1356};
1357
1358static struct snd_pcm_ops snd_intel8x0_capture_ops = {
1359	.open =		snd_intel8x0_capture_open,
1360	.close =	snd_intel8x0_capture_close,
1361	.ioctl =	snd_pcm_lib_ioctl,
1362	.hw_params =	snd_intel8x0_hw_params,
1363	.hw_free =	snd_intel8x0_hw_free,
1364	.prepare =	snd_intel8x0_pcm_prepare,
1365	.trigger =	snd_intel8x0_pcm_trigger,
1366	.pointer =	snd_intel8x0_pcm_pointer,
1367};
1368
1369static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1370	.open =		snd_intel8x0_mic_open,
1371	.close =	snd_intel8x0_mic_close,
1372	.ioctl =	snd_pcm_lib_ioctl,
1373	.hw_params =	snd_intel8x0_hw_params,
1374	.hw_free =	snd_intel8x0_hw_free,
1375	.prepare =	snd_intel8x0_pcm_prepare,
1376	.trigger =	snd_intel8x0_pcm_trigger,
1377	.pointer =	snd_intel8x0_pcm_pointer,
1378};
1379
1380static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1381	.open =		snd_intel8x0_mic2_open,
1382	.close =	snd_intel8x0_mic2_close,
1383	.ioctl =	snd_pcm_lib_ioctl,
1384	.hw_params =	snd_intel8x0_hw_params,
1385	.hw_free =	snd_intel8x0_hw_free,
1386	.prepare =	snd_intel8x0_pcm_prepare,
1387	.trigger =	snd_intel8x0_pcm_trigger,
1388	.pointer =	snd_intel8x0_pcm_pointer,
1389};
1390
1391static struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1392	.open =		snd_intel8x0_capture2_open,
1393	.close =	snd_intel8x0_capture2_close,
1394	.ioctl =	snd_pcm_lib_ioctl,
1395	.hw_params =	snd_intel8x0_hw_params,
1396	.hw_free =	snd_intel8x0_hw_free,
1397	.prepare =	snd_intel8x0_pcm_prepare,
1398	.trigger =	snd_intel8x0_pcm_trigger,
1399	.pointer =	snd_intel8x0_pcm_pointer,
1400};
1401
1402static struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1403	.open =		snd_intel8x0_spdif_open,
1404	.close =	snd_intel8x0_spdif_close,
1405	.ioctl =	snd_pcm_lib_ioctl,
1406	.hw_params =	snd_intel8x0_hw_params,
1407	.hw_free =	snd_intel8x0_hw_free,
1408	.prepare =	snd_intel8x0_pcm_prepare,
1409	.trigger =	snd_intel8x0_pcm_trigger,
1410	.pointer =	snd_intel8x0_pcm_pointer,
1411};
1412
1413static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1414	.open =		snd_intel8x0_playback_open,
1415	.close =	snd_intel8x0_playback_close,
1416	.ioctl =	snd_pcm_lib_ioctl,
1417	.hw_params =	snd_intel8x0_hw_params,
1418	.hw_free =	snd_intel8x0_hw_free,
1419	.prepare =	snd_intel8x0_pcm_prepare,
1420	.trigger =	snd_intel8x0_ali_trigger,
1421	.pointer =	snd_intel8x0_pcm_pointer,
1422};
1423
1424static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1425	.open =		snd_intel8x0_capture_open,
1426	.close =	snd_intel8x0_capture_close,
1427	.ioctl =	snd_pcm_lib_ioctl,
1428	.hw_params =	snd_intel8x0_hw_params,
1429	.hw_free =	snd_intel8x0_hw_free,
1430	.prepare =	snd_intel8x0_pcm_prepare,
1431	.trigger =	snd_intel8x0_ali_trigger,
1432	.pointer =	snd_intel8x0_pcm_pointer,
1433};
1434
1435static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1436	.open =		snd_intel8x0_mic_open,
1437	.close =	snd_intel8x0_mic_close,
1438	.ioctl =	snd_pcm_lib_ioctl,
1439	.hw_params =	snd_intel8x0_hw_params,
1440	.hw_free =	snd_intel8x0_hw_free,
1441	.prepare =	snd_intel8x0_pcm_prepare,
1442	.trigger =	snd_intel8x0_ali_trigger,
1443	.pointer =	snd_intel8x0_pcm_pointer,
1444};
1445
1446static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1447	.open =		snd_intel8x0_ali_ac97spdifout_open,
1448	.close =	snd_intel8x0_ali_ac97spdifout_close,
1449	.ioctl =	snd_pcm_lib_ioctl,
1450	.hw_params =	snd_intel8x0_hw_params,
1451	.hw_free =	snd_intel8x0_hw_free,
1452	.prepare =	snd_intel8x0_pcm_prepare,
1453	.trigger =	snd_intel8x0_ali_trigger,
1454	.pointer =	snd_intel8x0_pcm_pointer,
1455};
1456
1457#if 0 // NYI
1458static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1459	.open =		snd_intel8x0_ali_spdifin_open,
1460	.close =	snd_intel8x0_ali_spdifin_close,
1461	.ioctl =	snd_pcm_lib_ioctl,
1462	.hw_params =	snd_intel8x0_hw_params,
1463	.hw_free =	snd_intel8x0_hw_free,
1464	.prepare =	snd_intel8x0_pcm_prepare,
1465	.trigger =	snd_intel8x0_pcm_trigger,
1466	.pointer =	snd_intel8x0_pcm_pointer,
1467};
1468
1469static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1470	.open =		snd_intel8x0_ali_spdifout_open,
1471	.close =	snd_intel8x0_ali_spdifout_close,
1472	.ioctl =	snd_pcm_lib_ioctl,
1473	.hw_params =	snd_intel8x0_hw_params,
1474	.hw_free =	snd_intel8x0_hw_free,
1475	.prepare =	snd_intel8x0_pcm_prepare,
1476	.trigger =	snd_intel8x0_pcm_trigger,
1477	.pointer =	snd_intel8x0_pcm_pointer,
1478};
1479#endif // NYI
1480
1481struct ich_pcm_table {
1482	char *suffix;
1483	struct snd_pcm_ops *playback_ops;
1484	struct snd_pcm_ops *capture_ops;
1485	size_t prealloc_size;
1486	size_t prealloc_max_size;
1487	int ac97_idx;
1488};
1489
1490static int __devinit snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1491				       struct ich_pcm_table *rec)
1492{
1493	struct snd_pcm *pcm;
1494	int err;
1495	char name[32];
1496
1497	if (rec->suffix)
1498		sprintf(name, "Intel ICH - %s", rec->suffix);
1499	else
1500		strcpy(name, "Intel ICH");
1501	err = snd_pcm_new(chip->card, name, device,
1502			  rec->playback_ops ? 1 : 0,
1503			  rec->capture_ops ? 1 : 0, &pcm);
1504	if (err < 0)
1505		return err;
1506
1507	if (rec->playback_ops)
1508		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1509	if (rec->capture_ops)
1510		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1511
1512	pcm->private_data = chip;
1513	pcm->info_flags = 0;
1514	if (rec->suffix)
1515		sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1516	else
1517		strcpy(pcm->name, chip->card->shortname);
1518	chip->pcm[device] = pcm;
1519
1520	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1521					      snd_dma_pci_data(chip->pci),
1522					      rec->prealloc_size, rec->prealloc_max_size);
1523
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1524	return 0;
1525}
1526
1527static struct ich_pcm_table intel_pcms[] __devinitdata = {
1528	{
1529		.playback_ops = &snd_intel8x0_playback_ops,
1530		.capture_ops = &snd_intel8x0_capture_ops,
1531		.prealloc_size = 64 * 1024,
1532		.prealloc_max_size = 128 * 1024,
1533	},
1534	{
1535		.suffix = "MIC ADC",
1536		.capture_ops = &snd_intel8x0_capture_mic_ops,
1537		.prealloc_size = 0,
1538		.prealloc_max_size = 128 * 1024,
1539		.ac97_idx = ICHD_MIC,
1540	},
1541	{
1542		.suffix = "MIC2 ADC",
1543		.capture_ops = &snd_intel8x0_capture_mic2_ops,
1544		.prealloc_size = 0,
1545		.prealloc_max_size = 128 * 1024,
1546		.ac97_idx = ICHD_MIC2,
1547	},
1548	{
1549		.suffix = "ADC2",
1550		.capture_ops = &snd_intel8x0_capture2_ops,
1551		.prealloc_size = 0,
1552		.prealloc_max_size = 128 * 1024,
1553		.ac97_idx = ICHD_PCM2IN,
1554	},
1555	{
1556		.suffix = "IEC958",
1557		.playback_ops = &snd_intel8x0_spdif_ops,
1558		.prealloc_size = 64 * 1024,
1559		.prealloc_max_size = 128 * 1024,
1560		.ac97_idx = ICHD_SPBAR,
1561	},
1562};
1563
1564static struct ich_pcm_table nforce_pcms[] __devinitdata = {
1565	{
1566		.playback_ops = &snd_intel8x0_playback_ops,
1567		.capture_ops = &snd_intel8x0_capture_ops,
1568		.prealloc_size = 64 * 1024,
1569		.prealloc_max_size = 128 * 1024,
1570	},
1571	{
1572		.suffix = "MIC ADC",
1573		.capture_ops = &snd_intel8x0_capture_mic_ops,
1574		.prealloc_size = 0,
1575		.prealloc_max_size = 128 * 1024,
1576		.ac97_idx = NVD_MIC,
1577	},
1578	{
1579		.suffix = "IEC958",
1580		.playback_ops = &snd_intel8x0_spdif_ops,
1581		.prealloc_size = 64 * 1024,
1582		.prealloc_max_size = 128 * 1024,
1583		.ac97_idx = NVD_SPBAR,
1584	},
1585};
1586
1587static struct ich_pcm_table ali_pcms[] __devinitdata = {
1588	{
1589		.playback_ops = &snd_intel8x0_ali_playback_ops,
1590		.capture_ops = &snd_intel8x0_ali_capture_ops,
1591		.prealloc_size = 64 * 1024,
1592		.prealloc_max_size = 128 * 1024,
1593	},
1594	{
1595		.suffix = "MIC ADC",
1596		.capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1597		.prealloc_size = 0,
1598		.prealloc_max_size = 128 * 1024,
1599		.ac97_idx = ALID_MIC,
1600	},
1601	{
1602		.suffix = "IEC958",
1603		.playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1604		/* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1605		.prealloc_size = 64 * 1024,
1606		.prealloc_max_size = 128 * 1024,
1607		.ac97_idx = ALID_AC97SPDIFOUT,
1608	},
1609#if 0 // NYI
1610	{
1611		.suffix = "HW IEC958",
1612		.playback_ops = &snd_intel8x0_ali_spdifout_ops,
1613		.prealloc_size = 64 * 1024,
1614		.prealloc_max_size = 128 * 1024,
1615	},
1616#endif
1617};
1618
1619static int __devinit snd_intel8x0_pcm(struct intel8x0 *chip)
1620{
1621	int i, tblsize, device, err;
1622	struct ich_pcm_table *tbl, *rec;
1623
1624	switch (chip->device_type) {
1625	case DEVICE_INTEL_ICH4:
1626		tbl = intel_pcms;
1627		tblsize = ARRAY_SIZE(intel_pcms);
1628		if (spdif_aclink)
1629			tblsize--;
1630		break;
1631	case DEVICE_NFORCE:
1632		tbl = nforce_pcms;
1633		tblsize = ARRAY_SIZE(nforce_pcms);
1634		if (spdif_aclink)
1635			tblsize--;
1636		break;
1637	case DEVICE_ALI:
1638		tbl = ali_pcms;
1639		tblsize = ARRAY_SIZE(ali_pcms);
1640		break;
1641	default:
1642		tbl = intel_pcms;
1643		tblsize = 2;
1644		break;
1645	}
1646
1647	device = 0;
1648	for (i = 0; i < tblsize; i++) {
1649		rec = tbl + i;
1650		if (i > 0 && rec->ac97_idx) {
1651			/* activate PCM only when associated AC'97 codec */
1652			if (! chip->ichd[rec->ac97_idx].pcm)
1653				continue;
1654		}
1655		err = snd_intel8x0_pcm1(chip, device, rec);
1656		if (err < 0)
1657			return err;
1658		device++;
1659	}
1660
1661	chip->pcm_devs = device;
1662	return 0;
1663}
1664	
1665
1666/*
1667 *  Mixer part
1668 */
1669
1670static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1671{
1672	struct intel8x0 *chip = bus->private_data;
1673	chip->ac97_bus = NULL;
1674}
1675
1676static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1677{
1678	struct intel8x0 *chip = ac97->private_data;
1679	chip->ac97[ac97->num] = NULL;
1680}
1681
1682static struct ac97_pcm ac97_pcm_defs[] __devinitdata = {
1683	/* front PCM */
1684	{
1685		.exclusive = 1,
1686		.r = {	{
1687				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1688					 (1 << AC97_SLOT_PCM_RIGHT) |
1689					 (1 << AC97_SLOT_PCM_CENTER) |
1690					 (1 << AC97_SLOT_PCM_SLEFT) |
1691					 (1 << AC97_SLOT_PCM_SRIGHT) |
1692					 (1 << AC97_SLOT_LFE)
1693			},
1694			{
1695				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1696					 (1 << AC97_SLOT_PCM_RIGHT) |
1697					 (1 << AC97_SLOT_PCM_LEFT_0) |
1698					 (1 << AC97_SLOT_PCM_RIGHT_0)
1699			}
1700		}
1701	},
1702	/* PCM IN #1 */
1703	{
1704		.stream = 1,
1705		.exclusive = 1,
1706		.r = {	{
1707				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1708					 (1 << AC97_SLOT_PCM_RIGHT)
1709			}
1710		}
1711	},
1712	/* MIC IN #1 */
1713	{
1714		.stream = 1,
1715		.exclusive = 1,
1716		.r = {	{
1717				.slots = (1 << AC97_SLOT_MIC)
1718			}
1719		}
1720	},
1721	/* S/PDIF PCM */
1722	{
1723		.exclusive = 1,
1724		.spdif = 1,
1725		.r = {	{
1726				.slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1727					 (1 << AC97_SLOT_SPDIF_RIGHT2)
1728			}
1729		}
1730	},
1731	/* PCM IN #2 */
1732	{
1733		.stream = 1,
1734		.exclusive = 1,
1735		.r = {	{
1736				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1737					 (1 << AC97_SLOT_PCM_RIGHT)
1738			}
1739		}
1740	},
1741	/* MIC IN #2 */
1742	{
1743		.stream = 1,
1744		.exclusive = 1,
1745		.r = {	{
1746				.slots = (1 << AC97_SLOT_MIC)
1747			}
1748		}
1749	},
1750};
1751
1752static struct ac97_quirk ac97_quirks[] __devinitdata = {
1753        {
1754		.subvendor = 0x0e11,
1755		.subdevice = 0x000e,
1756		.name = "Compaq Deskpro EN",	/* AD1885 */
1757		.type = AC97_TUNE_HP_ONLY
1758        },
1759	{
1760		.subvendor = 0x0e11,
1761		.subdevice = 0x008a,
1762		.name = "Compaq Evo W4000",	/* AD1885 */
1763		.type = AC97_TUNE_HP_ONLY
1764	},
1765	{
1766		.subvendor = 0x0e11,
1767		.subdevice = 0x00b8,
1768		.name = "Compaq Evo D510C",
1769		.type = AC97_TUNE_HP_ONLY
1770	},
1771        {
1772		.subvendor = 0x0e11,
1773		.subdevice = 0x0860,
1774		.name = "HP/Compaq nx7010",
1775		.type = AC97_TUNE_MUTE_LED
1776        },
1777	{
1778		.subvendor = 0x1014,
1779		.subdevice = 0x0534,
1780		.name = "ThinkPad X31",
1781		.type = AC97_TUNE_INV_EAPD
1782	},
1783	{
1784		.subvendor = 0x1014,
1785		.subdevice = 0x1f00,
1786		.name = "MS-9128",
1787		.type = AC97_TUNE_ALC_JACK
1788	},
1789	{
1790		.subvendor = 0x1014,
1791		.subdevice = 0x0267,
1792		.name = "IBM NetVista A30p",	/* AD1981B */
1793		.type = AC97_TUNE_HP_ONLY
1794	},
1795	{
1796		.subvendor = 0x1025,
1797		.subdevice = 0x0082,
1798		.name = "Acer Travelmate 2310",
1799		.type = AC97_TUNE_HP_ONLY
1800	},
1801	{
1802		.subvendor = 0x1025,
1803		.subdevice = 0x0083,
1804		.name = "Acer Aspire 3003LCi",
1805		.type = AC97_TUNE_HP_ONLY
1806	},
1807	{
1808		.subvendor = 0x1028,
1809		.subdevice = 0x00d8,
1810		.name = "Dell Precision 530",	/* AD1885 */
1811		.type = AC97_TUNE_HP_ONLY
1812	},
1813	{
1814		.subvendor = 0x1028,
1815		.subdevice = 0x010d,
1816		.name = "Dell",	/* which model?  AD1885 */
1817		.type = AC97_TUNE_HP_ONLY
1818	},
1819	{
1820		.subvendor = 0x1028,
1821		.subdevice = 0x0126,
1822		.name = "Dell Optiplex GX260",	/* AD1981A */
1823		.type = AC97_TUNE_HP_ONLY
1824	},
1825	{
1826		.subvendor = 0x1028,
1827		.subdevice = 0x012c,
1828		.name = "Dell Precision 650",	/* AD1981A */
1829		.type = AC97_TUNE_HP_ONLY
1830	},
1831	{
1832		.subvendor = 0x1028,
1833		.subdevice = 0x012d,
1834		.name = "Dell Precision 450",	/* AD1981B*/
1835		.type = AC97_TUNE_HP_ONLY
1836	},
1837	{
1838		.subvendor = 0x1028,
1839		.subdevice = 0x0147,
1840		.name = "Dell",	/* which model?  AD1981B*/
1841		.type = AC97_TUNE_HP_ONLY
1842	},
1843	{
1844		.subvendor = 0x1028,
1845		.subdevice = 0x0151,
1846		.name = "Dell Optiplex GX270",  /* AD1981B */
1847		.type = AC97_TUNE_HP_ONLY
1848	},
1849	{
1850		.subvendor = 0x1028,
1851		.subdevice = 0x014e,
1852		.name = "Dell D800", /* STAC9750/51 */
1853		.type = AC97_TUNE_HP_ONLY
1854	},
1855	{
1856		.subvendor = 0x1028,
1857		.subdevice = 0x0163,
1858		.name = "Dell Unknown",	/* STAC9750/51 */
1859		.type = AC97_TUNE_HP_ONLY
1860	},
1861	{
1862		.subvendor = 0x1028,
1863		.subdevice = 0x016a,
1864		.name = "Dell Inspiron 8600",	/* STAC9750/51 */
1865		.type = AC97_TUNE_HP_ONLY
1866	},
1867	{
1868		.subvendor = 0x1028,
1869		.subdevice = 0x0182,
1870		.name = "Dell Latitude D610",	/* STAC9750/51 */
1871		.type = AC97_TUNE_HP_ONLY
1872	},
1873	{
1874		.subvendor = 0x1028,
1875		.subdevice = 0x0186,
1876		.name = "Dell Latitude D810", /* cf. Malone #41015 */
1877		.type = AC97_TUNE_HP_MUTE_LED
1878	},
1879	{
1880		.subvendor = 0x1028,
1881		.subdevice = 0x0188,
1882		.name = "Dell Inspiron 6000",
1883		.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1884	},
1885	{
1886		.subvendor = 0x1028,
1887		.subdevice = 0x0189,
1888		.name = "Dell Inspiron 9300",
1889		.type = AC97_TUNE_HP_MUTE_LED
1890	},
1891	{
1892		.subvendor = 0x1028,
1893		.subdevice = 0x0191,
1894		.name = "Dell Inspiron 8600",
1895		.type = AC97_TUNE_HP_ONLY
1896	},
1897	{
1898		.subvendor = 0x103c,
1899		.subdevice = 0x006d,
1900		.name = "HP zv5000",
1901		.type = AC97_TUNE_MUTE_LED	/*AD1981B*/
1902	},
1903	{	/* FIXME: which codec? */
1904		.subvendor = 0x103c,
1905		.subdevice = 0x00c3,
1906		.name = "HP xw6000",
1907		.type = AC97_TUNE_HP_ONLY
1908	},
1909	{
1910		.subvendor = 0x103c,
1911		.subdevice = 0x088c,
1912		.name = "HP nc8000",
1913		.type = AC97_TUNE_HP_MUTE_LED
1914	},
1915	{
1916		.subvendor = 0x103c,
1917		.subdevice = 0x0890,
1918		.name = "HP nc6000",
1919		.type = AC97_TUNE_MUTE_LED
1920	},
1921	{
1922		.subvendor = 0x103c,
1923		.subdevice = 0x129d,
1924		.name = "HP xw8000",
1925		.type = AC97_TUNE_HP_ONLY
1926	},
1927	{
1928		.subvendor = 0x103c,
1929		.subdevice = 0x0938,
1930		.name = "HP nc4200",
1931		.type = AC97_TUNE_HP_MUTE_LED
1932	},
1933	{
1934		.subvendor = 0x103c,
1935		.subdevice = 0x099c,
1936		.name = "HP nx6110/nc6120",
1937		.type = AC97_TUNE_HP_MUTE_LED
1938	},
1939	{
1940		.subvendor = 0x103c,
1941		.subdevice = 0x0944,
1942		.name = "HP nc6220",
1943		.type = AC97_TUNE_HP_MUTE_LED
1944	},
1945	{
1946		.subvendor = 0x103c,
1947		.subdevice = 0x0934,
1948		.name = "HP nc8220",
1949		.type = AC97_TUNE_HP_MUTE_LED
1950	},
1951	{
1952		.subvendor = 0x103c,
1953		.subdevice = 0x12f1,
1954		.name = "HP xw8200",	/* AD1981B*/
1955		.type = AC97_TUNE_HP_ONLY
1956	},
1957	{
1958		.subvendor = 0x103c,
1959		.subdevice = 0x12f2,
1960		.name = "HP xw6200",
1961		.type = AC97_TUNE_HP_ONLY
1962	},
1963	{
1964		.subvendor = 0x103c,
1965		.subdevice = 0x3008,
1966		.name = "HP xw4200",	/* AD1981B*/
1967		.type = AC97_TUNE_HP_ONLY
1968	},
1969	{
1970		.subvendor = 0x104d,
1971		.subdevice = 0x8144,
1972		.name = "Sony",
1973		.type = AC97_TUNE_INV_EAPD
1974	},
1975	{
1976		.subvendor = 0x104d,
1977		.subdevice = 0x8197,
1978		.name = "Sony S1XP",
1979		.type = AC97_TUNE_INV_EAPD
1980	},
1981	{
1982		.subvendor = 0x104d,
1983		.subdevice = 0x81c0,
1984		.name = "Sony VAIO VGN-T350P", /*AD1981B*/
1985		.type = AC97_TUNE_INV_EAPD
1986	},
1987	{
1988		.subvendor = 0x104d,
1989		.subdevice = 0x81c5,
1990		.name = "Sony VAIO VGN-B1VP", /*AD1981B*/
1991		.type = AC97_TUNE_INV_EAPD
1992	},
1993 	{
1994		.subvendor = 0x1043,
1995		.subdevice = 0x80f3,
1996		.name = "ASUS ICH5/AD1985",
1997		.type = AC97_TUNE_AD_SHARING
1998	},
1999	{
2000		.subvendor = 0x10cf,
2001		.subdevice = 0x11c3,
2002		.name = "Fujitsu-Siemens E4010",
2003		.type = AC97_TUNE_HP_ONLY
2004	},
2005	{
2006		.subvendor = 0x10cf,
2007		.subdevice = 0x1225,
2008		.name = "Fujitsu-Siemens T3010",
2009		.type = AC97_TUNE_HP_ONLY
2010	},
2011	{
2012		.subvendor = 0x10cf,
2013		.subdevice = 0x1253,
2014		.name = "Fujitsu S6210",	/* STAC9750/51 */
2015		.type = AC97_TUNE_HP_ONLY
2016	},
2017	{
2018		.subvendor = 0x10cf,
2019		.subdevice = 0x127d,
2020		.name = "Fujitsu Lifebook P7010",
2021		.type = AC97_TUNE_HP_ONLY
2022	},
2023	{
2024		.subvendor = 0x10cf,
2025		.subdevice = 0x127e,
2026		.name = "Fujitsu Lifebook C1211D",
2027		.type = AC97_TUNE_HP_ONLY
2028	},
2029	{
2030		.subvendor = 0x10cf,
2031		.subdevice = 0x12ec,
2032		.name = "Fujitsu-Siemens 4010",
2033		.type = AC97_TUNE_HP_ONLY
2034	},
2035	{
2036		.subvendor = 0x10cf,
2037		.subdevice = 0x12f2,
2038		.name = "Fujitsu-Siemens Celsius H320",
2039		.type = AC97_TUNE_SWAP_HP
2040	},
2041	{
2042		.subvendor = 0x10f1,
2043		.subdevice = 0x2665,
2044		.name = "Fujitsu-Siemens Celsius",	/* AD1981? */
2045		.type = AC97_TUNE_HP_ONLY
2046	},
2047	{
2048		.subvendor = 0x10f1,
2049		.subdevice = 0x2885,
2050		.name = "AMD64 Mobo",	/* ALC650 */
2051		.type = AC97_TUNE_HP_ONLY
2052	},
2053	{
2054		.subvendor = 0x10f1,
2055		.subdevice = 0x2895,
2056		.name = "Tyan Thunder K8WE",
2057		.type = AC97_TUNE_HP_ONLY
2058	},
2059	{
2060		.subvendor = 0x10f7,
2061		.subdevice = 0x834c,
2062		.name = "Panasonic CF-R4",
2063		.type = AC97_TUNE_HP_ONLY,
2064	},
2065	{
2066		.subvendor = 0x110a,
2067		.subdevice = 0x0056,
2068		.name = "Fujitsu-Siemens Scenic",	/* AD1981? */
2069		.type = AC97_TUNE_HP_ONLY
2070	},
2071	{
2072		.subvendor = 0x11d4,
2073		.subdevice = 0x5375,
2074		.name = "ADI AD1985 (discrete)",
2075		.type = AC97_TUNE_HP_ONLY
2076	},
2077	{
2078		.subvendor = 0x1462,
2079		.subdevice = 0x5470,
2080		.name = "MSI P4 ATX 645 Ultra",
2081		.type = AC97_TUNE_HP_ONLY
2082	},
2083	{
2084		.subvendor = 0x161f,
 
 
 
 
 
 
2085		.subdevice = 0x203a,
2086		.name = "Gateway 4525GZ",		/* AD1981B */
2087		.type = AC97_TUNE_INV_EAPD
2088	},
2089	{
2090		.subvendor = 0x1734,
2091		.subdevice = 0x0088,
2092		.name = "Fujitsu-Siemens D1522",	/* AD1981 */
2093		.type = AC97_TUNE_HP_ONLY
2094	},
2095	{
2096		.subvendor = 0x8086,
2097		.subdevice = 0x2000,
2098		.mask = 0xfff0,
2099		.name = "Intel ICH5/AD1985",
2100		.type = AC97_TUNE_AD_SHARING
2101	},
2102	{
2103		.subvendor = 0x8086,
2104		.subdevice = 0x4000,
2105		.mask = 0xfff0,
2106		.name = "Intel ICH5/AD1985",
2107		.type = AC97_TUNE_AD_SHARING
2108	},
2109	{
2110		.subvendor = 0x8086,
2111		.subdevice = 0x4856,
2112		.name = "Intel D845WN (82801BA)",
2113		.type = AC97_TUNE_SWAP_HP
2114	},
2115	{
2116		.subvendor = 0x8086,
2117		.subdevice = 0x4d44,
2118		.name = "Intel D850EMV2",	/* AD1885 */
2119		.type = AC97_TUNE_HP_ONLY
2120	},
2121	{
2122		.subvendor = 0x8086,
2123		.subdevice = 0x4d56,
2124		.name = "Intel ICH/AD1885",
2125		.type = AC97_TUNE_HP_ONLY
2126	},
2127	{
2128		.subvendor = 0x8086,
2129		.subdevice = 0x6000,
2130		.mask = 0xfff0,
2131		.name = "Intel ICH5/AD1985",
2132		.type = AC97_TUNE_AD_SHARING
2133	},
2134	{
2135		.subvendor = 0x8086,
2136		.subdevice = 0xe000,
2137		.mask = 0xfff0,
2138		.name = "Intel ICH5/AD1985",
2139		.type = AC97_TUNE_AD_SHARING
2140	},
2141#if 0 /* FIXME: this seems wrong on most boards */
2142	{
2143		.subvendor = 0x8086,
2144		.subdevice = 0xa000,
2145		.mask = 0xfff0,
2146		.name = "Intel ICH5/AD1985",
2147		.type = AC97_TUNE_HP_ONLY
2148	},
2149#endif
2150	{ } /* terminator */
2151};
2152
2153static int __devinit snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2154					const char *quirk_override)
2155{
2156	struct snd_ac97_bus *pbus;
2157	struct snd_ac97_template ac97;
2158	int err;
2159	unsigned int i, codecs;
2160	unsigned int glob_sta = 0;
2161	struct snd_ac97_bus_ops *ops;
2162	static struct snd_ac97_bus_ops standard_bus_ops = {
2163		.write = snd_intel8x0_codec_write,
2164		.read = snd_intel8x0_codec_read,
2165	};
2166	static struct snd_ac97_bus_ops ali_bus_ops = {
2167		.write = snd_intel8x0_ali_codec_write,
2168		.read = snd_intel8x0_ali_codec_read,
2169	};
2170
2171	chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2172	if (!spdif_aclink) {
2173		switch (chip->device_type) {
2174		case DEVICE_NFORCE:
2175			chip->spdif_idx = NVD_SPBAR;
2176			break;
2177		case DEVICE_ALI:
2178			chip->spdif_idx = ALID_AC97SPDIFOUT;
2179			break;
2180		case DEVICE_INTEL_ICH4:
2181			chip->spdif_idx = ICHD_SPBAR;
2182			break;
2183		};
2184	}
2185
2186	chip->in_ac97_init = 1;
2187	
2188	memset(&ac97, 0, sizeof(ac97));
2189	ac97.private_data = chip;
2190	ac97.private_free = snd_intel8x0_mixer_free_ac97;
2191	ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2192	if (chip->xbox)
2193		ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2194	if (chip->device_type != DEVICE_ALI) {
2195		glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2196		ops = &standard_bus_ops;
2197		chip->in_sdin_init = 1;
2198		codecs = 0;
2199		for (i = 0; i < chip->max_codecs; i++) {
2200			if (! (glob_sta & chip->codec_bit[i]))
2201				continue;
2202			if (chip->device_type == DEVICE_INTEL_ICH4) {
2203				snd_intel8x0_codec_read_test(chip, codecs);
2204				chip->ac97_sdin[codecs] =
2205					igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2206				if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2207					chip->ac97_sdin[codecs] = 0;
2208			} else
2209				chip->ac97_sdin[codecs] = i;
2210			codecs++;
2211		}
2212		chip->in_sdin_init = 0;
2213		if (! codecs)
2214			codecs = 1;
2215	} else {
2216		ops = &ali_bus_ops;
2217		codecs = 1;
2218		/* detect the secondary codec */
2219		for (i = 0; i < 100; i++) {
2220			unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2221			if (reg & 0x40) {
2222				codecs = 2;
2223				break;
2224			}
2225			iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2226			udelay(1);
2227		}
2228	}
2229	if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0)
2230		goto __err;
2231	pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2232	if (ac97_clock >= 8000 && ac97_clock <= 48000)
2233		pbus->clock = ac97_clock;
2234	/* FIXME: my test board doesn't work well with VRA... */
2235	if (chip->device_type == DEVICE_ALI)
2236		pbus->no_vra = 1;
2237	else
2238		pbus->dra = 1;
2239	chip->ac97_bus = pbus;
2240	chip->ncodecs = codecs;
2241
2242	ac97.pci = chip->pci;
2243	for (i = 0; i < codecs; i++) {
2244		ac97.num = i;
2245		if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
2246			if (err != -EACCES)
2247				snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i);
 
2248			if (i == 0)
2249				goto __err;
2250		}
2251	}
2252	/* tune up the primary codec */
2253	snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2254	/* enable separate SDINs for ICH4 */
2255	if (chip->device_type == DEVICE_INTEL_ICH4)
2256		pbus->isdin = 1;
2257	/* find the available PCM streams */
2258	i = ARRAY_SIZE(ac97_pcm_defs);
2259	if (chip->device_type != DEVICE_INTEL_ICH4)
2260		i -= 2;		/* do not allocate PCM2IN and MIC2 */
2261	if (chip->spdif_idx < 0)
2262		i--;		/* do not allocate S/PDIF */
2263	err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2264	if (err < 0)
2265		goto __err;
2266	chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2267	chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2268	chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2269	if (chip->spdif_idx >= 0)
2270		chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2271	if (chip->device_type == DEVICE_INTEL_ICH4) {
2272		chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2273		chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2274	}
2275	/* enable separate SDINs for ICH4 */
2276	if (chip->device_type == DEVICE_INTEL_ICH4) {
2277		struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2278		u8 tmp = igetbyte(chip, ICHREG(SDM));
2279		tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2280		if (pcm) {
2281			tmp |= ICH_SE;	/* steer enable for multiple SDINs */
2282			tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2283			for (i = 1; i < 4; i++) {
2284				if (pcm->r[0].codec[i]) {
2285					tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2286					break;
2287				}
2288			}
2289		} else {
2290			tmp &= ~ICH_SE; /* steer disable */
2291		}
2292		iputbyte(chip, ICHREG(SDM), tmp);
2293	}
2294	if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2295		chip->multi4 = 1;
2296		if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2297			chip->multi6 = 1;
2298			if (chip->ac97[0]->flags & AC97_HAS_8CH)
2299				chip->multi8 = 1;
2300		}
2301	}
2302	if (pbus->pcms[0].r[1].rslots[0]) {
2303		chip->dra = 1;
2304	}
2305	if (chip->device_type == DEVICE_INTEL_ICH4) {
2306		if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2307			chip->smp20bit = 1;
2308	}
2309	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2310		/* 48kHz only */
2311		chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2312	}
2313	if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2314		/* use slot 10/11 for SPDIF */
2315		u32 val;
2316		val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2317		val |= ICH_PCM_SPDIF_1011;
2318		iputdword(chip, ICHREG(GLOB_CNT), val);
2319		snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2320	}
2321	chip->in_ac97_init = 0;
2322	return 0;
2323
2324 __err:
2325	/* clear the cold-reset bit for the next chance */
2326	if (chip->device_type != DEVICE_ALI)
2327		iputdword(chip, ICHREG(GLOB_CNT),
2328			  igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2329	return err;
2330}
2331
2332
2333/*
2334 *
2335 */
2336
2337static void do_ali_reset(struct intel8x0 *chip)
2338{
2339	iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2340	iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2341	iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2342	iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2343	iputdword(chip, ICHREG(ALI_INTERFACECR),
2344		  ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2345	iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2346	iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2347}
2348
2349#ifdef CONFIG_SND_AC97_POWER_SAVE
2350static struct snd_pci_quirk ich_chip_reset_mode[] = {
2351	SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2352	{ } /* end */
2353};
2354
2355static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2356{
2357	unsigned int cnt;
2358	/* ACLink on, 2 channels */
2359
2360	if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2361		return -EIO;
2362
2363	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2364	cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2365
2366	/* do cold reset - the full ac97 powerdown may leave the controller
2367	 * in a warm state but actually it cannot communicate with the codec.
2368	 */
2369	iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2370	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2371	udelay(10);
2372	iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2373	msleep(1);
2374	return 0;
2375}
2376#define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2377	(!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2378#else
2379#define snd_intel8x0_ich_chip_cold_reset(chip)	0
2380#define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2381#endif
2382
2383static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2384{
2385	unsigned long end_time;
2386	unsigned int cnt;
2387	/* ACLink on, 2 channels */
2388	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2389	cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2390	/* finish cold or do warm reset */
2391	cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2392	iputdword(chip, ICHREG(GLOB_CNT), cnt);
2393	end_time = (jiffies + (HZ / 4)) + 1;
2394	do {
2395		if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2396			return 0;
2397		schedule_timeout_uninterruptible(1);
2398	} while (time_after_eq(end_time, jiffies));
2399	snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n",
2400		   igetdword(chip, ICHREG(GLOB_CNT)));
2401	return -EIO;
2402}
2403
2404static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2405{
2406	unsigned long end_time;
2407	unsigned int status, nstatus;
2408	unsigned int cnt;
2409	int err;
2410
2411	/* put logic to right state */
2412	/* first clear status bits */
2413	status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2414	if (chip->device_type == DEVICE_NFORCE)
2415		status |= ICH_NVSPINT;
2416	cnt = igetdword(chip, ICHREG(GLOB_STA));
2417	iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2418
2419	if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2420		err = snd_intel8x0_ich_chip_cold_reset(chip);
2421	else
2422		err = snd_intel8x0_ich_chip_reset(chip);
2423	if (err < 0)
2424		return err;
2425
2426	if (probing) {
2427		/* wait for any codec ready status.
2428		 * Once it becomes ready it should remain ready
2429		 * as long as we do not disable the ac97 link.
2430		 */
2431		end_time = jiffies + HZ;
2432		do {
2433			status = igetdword(chip, ICHREG(GLOB_STA)) &
2434				chip->codec_isr_bits;
2435			if (status)
2436				break;
2437			schedule_timeout_uninterruptible(1);
2438		} while (time_after_eq(end_time, jiffies));
2439		if (! status) {
2440			/* no codec is found */
2441			snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n",
 
2442				   igetdword(chip, ICHREG(GLOB_STA)));
2443			return -EIO;
2444		}
2445
2446		/* wait for other codecs ready status. */
2447		end_time = jiffies + HZ / 4;
2448		while (status != chip->codec_isr_bits &&
2449		       time_after_eq(end_time, jiffies)) {
2450			schedule_timeout_uninterruptible(1);
2451			status |= igetdword(chip, ICHREG(GLOB_STA)) &
2452				chip->codec_isr_bits;
2453		}
2454
2455	} else {
2456		/* resume phase */
2457		int i;
2458		status = 0;
2459		for (i = 0; i < chip->ncodecs; i++)
2460			if (chip->ac97[i])
2461				status |= chip->codec_bit[chip->ac97_sdin[i]];
2462		/* wait until all the probed codecs are ready */
2463		end_time = jiffies + HZ;
2464		do {
2465			nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2466				chip->codec_isr_bits;
2467			if (status == nstatus)
2468				break;
2469			schedule_timeout_uninterruptible(1);
2470		} while (time_after_eq(end_time, jiffies));
2471	}
2472
2473	if (chip->device_type == DEVICE_SIS) {
2474		/* unmute the output on SIS7012 */
2475		iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2476	}
2477	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2478		/* enable SPDIF interrupt */
2479		unsigned int val;
2480		pci_read_config_dword(chip->pci, 0x4c, &val);
2481		val |= 0x1000000;
2482		pci_write_config_dword(chip->pci, 0x4c, val);
2483	}
2484      	return 0;
2485}
2486
2487static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2488{
2489	u32 reg;
2490	int i = 0;
2491
2492	reg = igetdword(chip, ICHREG(ALI_SCR));
2493	if ((reg & 2) == 0)	/* Cold required */
2494		reg |= 2;
2495	else
2496		reg |= 1;	/* Warm */
2497	reg &= ~0x80000000;	/* ACLink on */
2498	iputdword(chip, ICHREG(ALI_SCR), reg);
2499
2500	for (i = 0; i < HZ / 2; i++) {
2501		if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2502			goto __ok;
2503		schedule_timeout_uninterruptible(1);
2504	}
2505	snd_printk(KERN_ERR "AC'97 reset failed.\n");
2506	if (probing)
2507		return -EIO;
2508
2509 __ok:
2510	for (i = 0; i < HZ / 2; i++) {
2511		reg = igetdword(chip, ICHREG(ALI_RTSR));
2512		if (reg & 0x80) /* primary codec */
2513			break;
2514		iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2515		schedule_timeout_uninterruptible(1);
2516	}
2517
2518	do_ali_reset(chip);
2519	return 0;
2520}
2521
2522static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2523{
2524	unsigned int i, timeout;
2525	int err;
2526	
2527	if (chip->device_type != DEVICE_ALI) {
2528		if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0)
2529			return err;
2530		iagetword(chip, 0);	/* clear semaphore flag */
2531	} else {
2532		if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0)
2533			return err;
2534	}
2535
2536	/* disable interrupts */
2537	for (i = 0; i < chip->bdbars_count; i++)
2538		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2539	/* reset channels */
2540	for (i = 0; i < chip->bdbars_count; i++)
2541		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2542	for (i = 0; i < chip->bdbars_count; i++) {
2543	        timeout = 100000;
2544	        while (--timeout != 0) {
2545        		if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2546        		        break;
2547                }
2548                if (timeout == 0)
2549                        printk(KERN_ERR "intel8x0: reset of registers failed?\n");
2550        }
2551	/* initialize Buffer Descriptor Lists */
2552	for (i = 0; i < chip->bdbars_count; i++)
2553		iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2554			  chip->ichd[i].bdbar_addr);
2555	return 0;
2556}
2557
2558static int snd_intel8x0_free(struct intel8x0 *chip)
2559{
2560	unsigned int i;
2561
2562	if (chip->irq < 0)
2563		goto __hw_end;
2564	/* disable interrupts */
2565	for (i = 0; i < chip->bdbars_count; i++)
2566		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2567	/* reset channels */
2568	for (i = 0; i < chip->bdbars_count; i++)
2569		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2570	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2571		/* stop the spdif interrupt */
2572		unsigned int val;
2573		pci_read_config_dword(chip->pci, 0x4c, &val);
2574		val &= ~0x1000000;
2575		pci_write_config_dword(chip->pci, 0x4c, val);
2576	}
2577	/* --- */
2578
2579      __hw_end:
2580	if (chip->irq >= 0)
2581		free_irq(chip->irq, chip);
2582	if (chip->bdbars.area) {
2583		if (chip->fix_nocache)
2584			fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0);
2585		snd_dma_free_pages(&chip->bdbars);
2586	}
2587	if (chip->addr)
2588		pci_iounmap(chip->pci, chip->addr);
2589	if (chip->bmaddr)
2590		pci_iounmap(chip->pci, chip->bmaddr);
2591	pci_release_regions(chip->pci);
2592	pci_disable_device(chip->pci);
2593	kfree(chip);
2594	return 0;
2595}
2596
2597#ifdef CONFIG_PM
2598/*
2599 * power management
2600 */
2601static int intel8x0_suspend(struct pci_dev *pci, pm_message_t state)
2602{
2603	struct snd_card *card = pci_get_drvdata(pci);
2604	struct intel8x0 *chip = card->private_data;
2605	int i;
2606
2607	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2608	for (i = 0; i < chip->pcm_devs; i++)
2609		snd_pcm_suspend_all(chip->pcm[i]);
2610	/* clear nocache */
2611	if (chip->fix_nocache) {
2612		for (i = 0; i < chip->bdbars_count; i++) {
2613			struct ichdev *ichdev = &chip->ichd[i];
2614			if (ichdev->substream && ichdev->page_attr_changed) {
2615				struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2616				if (runtime->dma_area)
2617					fill_nocache(runtime->dma_area, runtime->dma_bytes, 0);
2618			}
2619		}
2620	}
2621	for (i = 0; i < chip->ncodecs; i++)
2622		snd_ac97_suspend(chip->ac97[i]);
2623	if (chip->device_type == DEVICE_INTEL_ICH4)
2624		chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2625
2626	if (chip->irq >= 0) {
2627		free_irq(chip->irq, chip);
2628		chip->irq = -1;
2629	}
2630	pci_disable_device(pci);
2631	pci_save_state(pci);
2632	/* The call below may disable built-in speaker on some laptops
2633	 * after S2RAM.  So, don't touch it.
2634	 */
2635	/* pci_set_power_state(pci, pci_choose_state(pci, state)); */
2636	return 0;
2637}
2638
2639static int intel8x0_resume(struct pci_dev *pci)
2640{
2641	struct snd_card *card = pci_get_drvdata(pci);
 
2642	struct intel8x0 *chip = card->private_data;
2643	int i;
2644
2645	pci_set_power_state(pci, PCI_D0);
2646	pci_restore_state(pci);
2647	if (pci_enable_device(pci) < 0) {
2648		printk(KERN_ERR "intel8x0: pci_enable_device failed, "
2649		       "disabling device\n");
2650		snd_card_disconnect(card);
2651		return -EIO;
2652	}
2653	pci_set_master(pci);
2654	snd_intel8x0_chip_init(chip, 0);
2655	if (request_irq(pci->irq, snd_intel8x0_interrupt,
2656			IRQF_SHARED, KBUILD_MODNAME, chip)) {
2657		printk(KERN_ERR "intel8x0: unable to grab IRQ %d, "
2658		       "disabling device\n", pci->irq);
2659		snd_card_disconnect(card);
2660		return -EIO;
2661	}
2662	chip->irq = pci->irq;
2663	synchronize_irq(chip->irq);
2664
2665	/* re-initialize mixer stuff */
2666	if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2667		/* enable separate SDINs for ICH4 */
2668		iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2669		/* use slot 10/11 for SPDIF */
2670		iputdword(chip, ICHREG(GLOB_CNT),
2671			  (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2672			  ICH_PCM_SPDIF_1011);
2673	}
2674
2675	/* refill nocache */
2676	if (chip->fix_nocache)
2677		fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
2678
2679	for (i = 0; i < chip->ncodecs; i++)
2680		snd_ac97_resume(chip->ac97[i]);
2681
2682	/* refill nocache */
2683	if (chip->fix_nocache) {
2684		for (i = 0; i < chip->bdbars_count; i++) {
2685			struct ichdev *ichdev = &chip->ichd[i];
2686			if (ichdev->substream && ichdev->page_attr_changed) {
2687				struct snd_pcm_runtime *runtime = ichdev->substream->runtime;
2688				if (runtime->dma_area)
2689					fill_nocache(runtime->dma_area, runtime->dma_bytes, 1);
2690			}
2691		}
2692	}
2693
2694	/* resume status */
2695	for (i = 0; i < chip->bdbars_count; i++) {
2696		struct ichdev *ichdev = &chip->ichd[i];
2697		unsigned long port = ichdev->reg_offset;
2698		if (! ichdev->substream || ! ichdev->suspended)
2699			continue;
2700		if (ichdev->ichd == ICHD_PCMOUT)
2701			snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2702		iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2703		iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2704		iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2705		iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2706	}
2707
2708	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2709	return 0;
2710}
2711#endif /* CONFIG_PM */
 
 
 
 
 
2712
2713#define INTEL8X0_TESTBUF_SIZE	32768	/* enough large for one shot */
2714
2715static void __devinit intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2716{
2717	struct snd_pcm_substream *subs;
2718	struct ichdev *ichdev;
2719	unsigned long port;
2720	unsigned long pos, pos1, t;
2721	int civ, timeout = 1000, attempt = 1;
2722	struct timespec start_time, stop_time;
2723
2724	if (chip->ac97_bus->clock != 48000)
2725		return; /* specified in module option */
2726
2727      __again:
2728	subs = chip->pcm[0]->streams[0].substream;
2729	if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2730		snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n");
 
2731		return;
2732	}
2733	ichdev = &chip->ichd[ICHD_PCMOUT];
2734	ichdev->physbuf = subs->dma_buffer.addr;
2735	ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2736	ichdev->substream = NULL; /* don't process interrupts */
2737
2738	/* set rate */
2739	if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2740		snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock);
 
2741		return;
2742	}
2743	snd_intel8x0_setup_periods(chip, ichdev);
2744	port = ichdev->reg_offset;
2745	spin_lock_irq(&chip->reg_lock);
2746	chip->in_measurement = 1;
2747	/* trigger */
2748	if (chip->device_type != DEVICE_ALI)
2749		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2750	else {
2751		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2752		iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2753	}
2754	do_posix_clock_monotonic_gettime(&start_time);
2755	spin_unlock_irq(&chip->reg_lock);
2756	msleep(50);
2757	spin_lock_irq(&chip->reg_lock);
2758	/* check the position */
2759	do {
2760		civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2761		pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2762		if (pos1 == 0) {
2763			udelay(10);
2764			continue;
2765		}
2766		if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2767		    pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2768			break;
2769	} while (timeout--);
2770	if (pos1 == 0) {	/* oops, this value is not reliable */
2771		pos = 0;
2772	} else {
2773		pos = ichdev->fragsize1;
2774		pos -= pos1 << ichdev->pos_shift;
2775		pos += ichdev->position;
2776	}
2777	chip->in_measurement = 0;
2778	do_posix_clock_monotonic_gettime(&stop_time);
2779	/* stop */
2780	if (chip->device_type == DEVICE_ALI) {
2781		iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2782		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2783		while (igetbyte(chip, port + ICH_REG_OFF_CR))
2784			;
2785	} else {
2786		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2787		while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2788			;
2789	}
2790	iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2791	spin_unlock_irq(&chip->reg_lock);
2792
2793	if (pos == 0) {
2794		snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n");
 
2795	      __retry:
2796		if (attempt < 3) {
2797			msleep(300);
2798			attempt++;
2799			goto __again;
2800		}
2801		goto __end;
2802	}
2803
2804	pos /= 4;
2805	t = stop_time.tv_sec - start_time.tv_sec;
2806	t *= 1000000;
2807	t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000;
2808	printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2809	if (t == 0) {
2810		snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n");
2811		goto __retry;
2812	}
2813	pos *= 1000;
2814	pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2815	if (pos < 40000 || pos >= 60000) {
2816		/* abnormal value. hw problem? */
2817		printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos);
2818		goto __retry;
2819	} else if (pos > 40500 && pos < 41500)
2820		/* first exception - 41000Hz reference clock */
2821		chip->ac97_bus->clock = 41000;
2822	else if (pos > 43600 && pos < 44600)
2823		/* second exception - 44100HZ reference clock */
2824		chip->ac97_bus->clock = 44100;
2825	else if (pos < 47500 || pos > 48500)
2826		/* not 48000Hz, tuning the clock.. */
2827		chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2828      __end:
2829	printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock);
2830	snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2831}
2832
2833static struct snd_pci_quirk intel8x0_clock_list[] __devinitdata = {
2834	SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
 
2835	SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2836	SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2837	SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2838	SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2839	{ }	/* terminator */
2840};
2841
2842static int __devinit intel8x0_in_clock_list(struct intel8x0 *chip)
2843{
2844	struct pci_dev *pci = chip->pci;
2845	const struct snd_pci_quirk *wl;
2846
2847	wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2848	if (!wl)
2849		return 0;
2850	printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n",
2851	       pci->subsystem_vendor, pci->subsystem_device, wl->value);
2852	chip->ac97_bus->clock = wl->value;
2853	return 1;
2854}
2855
2856#ifdef CONFIG_PROC_FS
2857static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2858				   struct snd_info_buffer *buffer)
2859{
2860	struct intel8x0 *chip = entry->private_data;
2861	unsigned int tmp;
2862
2863	snd_iprintf(buffer, "Intel8x0\n\n");
2864	if (chip->device_type == DEVICE_ALI)
2865		return;
2866	tmp = igetdword(chip, ICHREG(GLOB_STA));
2867	snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2868	snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2869	if (chip->device_type == DEVICE_INTEL_ICH4)
2870		snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2871	snd_iprintf(buffer, "AC'97 codecs ready    :");
2872	if (tmp & chip->codec_isr_bits) {
2873		int i;
2874		static const char *codecs[3] = {
2875			"primary", "secondary", "tertiary"
2876		};
2877		for (i = 0; i < chip->max_codecs; i++)
2878			if (tmp & chip->codec_bit[i])
2879				snd_iprintf(buffer, " %s", codecs[i]);
2880	} else
2881		snd_iprintf(buffer, " none");
2882	snd_iprintf(buffer, "\n");
2883	if (chip->device_type == DEVICE_INTEL_ICH4 ||
2884	    chip->device_type == DEVICE_SIS)
2885		snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2886			chip->ac97_sdin[0],
2887			chip->ac97_sdin[1],
2888			chip->ac97_sdin[2]);
2889}
2890
2891static void __devinit snd_intel8x0_proc_init(struct intel8x0 * chip)
2892{
2893	struct snd_info_entry *entry;
2894
2895	if (! snd_card_proc_new(chip->card, "intel8x0", &entry))
2896		snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read);
2897}
2898#else
2899#define snd_intel8x0_proc_init(x)
2900#endif
2901
2902static int snd_intel8x0_dev_free(struct snd_device *device)
2903{
2904	struct intel8x0 *chip = device->device_data;
2905	return snd_intel8x0_free(chip);
2906}
2907
2908struct ich_reg_info {
2909	unsigned int int_sta_mask;
2910	unsigned int offset;
2911};
2912
2913static unsigned int ich_codec_bits[3] = {
2914	ICH_PCR, ICH_SCR, ICH_TCR
2915};
2916static unsigned int sis_codec_bits[3] = {
2917	ICH_PCR, ICH_SCR, ICH_SIS_TCR
2918};
2919
2920static int __devinit snd_intel8x0_create(struct snd_card *card,
2921					 struct pci_dev *pci,
2922					 unsigned long device_type,
2923					 struct intel8x0 ** r_intel8x0)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2924{
2925	struct intel8x0 *chip;
2926	int err;
2927	unsigned int i;
2928	unsigned int int_sta_masks;
2929	struct ichdev *ichdev;
2930	static struct snd_device_ops ops = {
2931		.dev_free =	snd_intel8x0_dev_free,
2932	};
2933
2934	static unsigned int bdbars[] = {
2935		3, /* DEVICE_INTEL */
2936		6, /* DEVICE_INTEL_ICH4 */
2937		3, /* DEVICE_SIS */
2938		6, /* DEVICE_ALI */
2939		4, /* DEVICE_NFORCE */
2940	};
2941	static struct ich_reg_info intel_regs[6] = {
2942		{ ICH_PIINT, 0 },
2943		{ ICH_POINT, 0x10 },
2944		{ ICH_MCINT, 0x20 },
2945		{ ICH_M2INT, 0x40 },
2946		{ ICH_P2INT, 0x50 },
2947		{ ICH_SPINT, 0x60 },
2948	};
2949	static struct ich_reg_info nforce_regs[4] = {
2950		{ ICH_PIINT, 0 },
2951		{ ICH_POINT, 0x10 },
2952		{ ICH_MCINT, 0x20 },
2953		{ ICH_NVSPINT, 0x70 },
2954	};
2955	static struct ich_reg_info ali_regs[6] = {
2956		{ ALI_INT_PCMIN, 0x40 },
2957		{ ALI_INT_PCMOUT, 0x50 },
2958		{ ALI_INT_MICIN, 0x60 },
2959		{ ALI_INT_CODECSPDIFOUT, 0x70 },
2960		{ ALI_INT_SPDIFIN, 0xa0 },
2961		{ ALI_INT_SPDIFOUT, 0xb0 },
2962	};
2963	struct ich_reg_info *tbl;
2964
2965	*r_intel8x0 = NULL;
2966
2967	if ((err = pci_enable_device(pci)) < 0)
2968		return err;
2969
2970	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2971	if (chip == NULL) {
2972		pci_disable_device(pci);
2973		return -ENOMEM;
2974	}
2975	spin_lock_init(&chip->reg_lock);
2976	chip->device_type = device_type;
2977	chip->card = card;
2978	chip->pci = pci;
2979	chip->irq = -1;
2980
2981	/* module parameters */
2982	chip->buggy_irq = buggy_irq;
2983	chip->buggy_semaphore = buggy_semaphore;
2984	if (xbox)
2985		chip->xbox = 1;
2986
 
 
2987	if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2988	    pci->device == PCI_DEVICE_ID_INTEL_440MX)
2989		chip->fix_nocache = 1; /* enable workaround */
2990
2991	if ((err = pci_request_regions(pci, card->shortname)) < 0) {
2992		kfree(chip);
2993		pci_disable_device(pci);
2994		return err;
2995	}
2996
2997	if (device_type == DEVICE_ALI) {
2998		/* ALI5455 has no ac97 region */
2999		chip->bmaddr = pci_iomap(pci, 0, 0);
3000		goto port_inited;
3001	}
3002
3003	if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
3004		chip->addr = pci_iomap(pci, 2, 0);
3005	else
3006		chip->addr = pci_iomap(pci, 0, 0);
3007	if (!chip->addr) {
3008		snd_printk(KERN_ERR "AC'97 space ioremap problem\n");
3009		snd_intel8x0_free(chip);
3010		return -EIO;
3011	}
3012	if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
3013		chip->bmaddr = pci_iomap(pci, 3, 0);
3014	else
3015		chip->bmaddr = pci_iomap(pci, 1, 0);
 
 
3016	if (!chip->bmaddr) {
3017		snd_printk(KERN_ERR "Controller space ioremap problem\n");
3018		snd_intel8x0_free(chip);
3019		return -EIO;
3020	}
3021
3022 port_inited:
3023	chip->bdbars_count = bdbars[device_type];
3024
3025	/* initialize offsets */
3026	switch (device_type) {
3027	case DEVICE_NFORCE:
3028		tbl = nforce_regs;
3029		break;
3030	case DEVICE_ALI:
3031		tbl = ali_regs;
3032		break;
3033	default:
3034		tbl = intel_regs;
3035		break;
3036	}
3037	for (i = 0; i < chip->bdbars_count; i++) {
3038		ichdev = &chip->ichd[i];
3039		ichdev->ichd = i;
3040		ichdev->reg_offset = tbl[i].offset;
3041		ichdev->int_sta_mask = tbl[i].int_sta_mask;
3042		if (device_type == DEVICE_SIS) {
3043			/* SiS 7012 swaps the registers */
3044			ichdev->roff_sr = ICH_REG_OFF_PICB;
3045			ichdev->roff_picb = ICH_REG_OFF_SR;
3046		} else {
3047			ichdev->roff_sr = ICH_REG_OFF_SR;
3048			ichdev->roff_picb = ICH_REG_OFF_PICB;
3049		}
3050		if (device_type == DEVICE_ALI)
3051			ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
3052		/* SIS7012 handles the pcm data in bytes, others are in samples */
3053		ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
3054	}
3055
3056	/* allocate buffer descriptor lists */
3057	/* the start of each lists must be aligned to 8 bytes */
3058	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
3059				chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
3060				&chip->bdbars) < 0) {
3061		snd_intel8x0_free(chip);
3062		snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n");
3063		return -ENOMEM;
3064	}
3065	/* tables must be aligned to 8 bytes here, but the kernel pages
3066	   are much bigger, so we don't care (on i386) */
3067	/* workaround for 440MX */
3068	if (chip->fix_nocache)
3069		fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1);
3070	int_sta_masks = 0;
3071	for (i = 0; i < chip->bdbars_count; i++) {
3072		ichdev = &chip->ichd[i];
3073		ichdev->bdbar = ((u32 *)chip->bdbars.area) +
3074			(i * ICH_MAX_FRAGS * 2);
3075		ichdev->bdbar_addr = chip->bdbars.addr +
3076			(i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3077		int_sta_masks |= ichdev->int_sta_mask;
3078	}
3079	chip->int_sta_reg = device_type == DEVICE_ALI ?
3080		ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3081	chip->int_sta_mask = int_sta_masks;
3082
3083	pci_set_master(pci);
3084
3085	switch(chip->device_type) {
3086	case DEVICE_INTEL_ICH4:
3087		/* ICH4 can have three codecs */
3088		chip->max_codecs = 3;
3089		chip->codec_bit = ich_codec_bits;
3090		chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3091		break;
3092	case DEVICE_SIS:
3093		/* recent SIS7012 can have three codecs */
3094		chip->max_codecs = 3;
3095		chip->codec_bit = sis_codec_bits;
3096		chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3097		break;
3098	default:
3099		/* others up to two codecs */
3100		chip->max_codecs = 2;
3101		chip->codec_bit = ich_codec_bits;
3102		chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3103		break;
3104	}
3105	for (i = 0; i < chip->max_codecs; i++)
3106		chip->codec_isr_bits |= chip->codec_bit[i];
3107
3108	if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) {
3109		snd_intel8x0_free(chip);
3110		return err;
3111	}
3112
3113	/* request irq after initializaing int_sta_mask, etc */
3114	if (request_irq(pci->irq, snd_intel8x0_interrupt,
3115			IRQF_SHARED, KBUILD_MODNAME, chip)) {
3116		snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
3117		snd_intel8x0_free(chip);
3118		return -EBUSY;
3119	}
3120	chip->irq = pci->irq;
3121
3122	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
3123		snd_intel8x0_free(chip);
3124		return err;
3125	}
3126
3127	snd_card_set_dev(card, &pci->dev);
3128
3129	*r_intel8x0 = chip;
3130	return 0;
3131}
3132
3133static struct shortname_table {
3134	unsigned int id;
3135	const char *s;
3136} shortnames[] __devinitdata = {
3137	{ PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3138	{ PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3139	{ PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3140	{ PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3141	{ PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3142	{ PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3143	{ PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3144	{ PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3145	{ PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3146	{ PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3147	{ PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3148	{ PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3149	{ PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3150	{ PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3151	{ PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3152	{ PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3153	{ PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3154	{ PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3155	{ 0x003a, "NVidia MCP04" },
3156	{ 0x746d, "AMD AMD8111" },
3157	{ 0x7445, "AMD AMD768" },
3158	{ 0x5455, "ALi M5455" },
3159	{ 0, NULL },
3160};
3161
3162static struct snd_pci_quirk spdif_aclink_defaults[] __devinitdata = {
3163	SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3164	{ } /* end */
3165};
3166
3167/* look up white/black list for SPDIF over ac-link */
3168static int __devinit check_default_spdif_aclink(struct pci_dev *pci)
3169{
3170	const struct snd_pci_quirk *w;
3171
3172	w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3173	if (w) {
3174		if (w->value)
3175			snd_printdd(KERN_INFO "intel8x0: Using SPDIF over "
3176				    "AC-Link for %s\n", w->name);
 
3177		else
3178			snd_printdd(KERN_INFO "intel8x0: Using integrated "
3179				    "SPDIF DMA for %s\n", w->name);
 
3180		return w->value;
3181	}
3182	return 0;
3183}
3184
3185static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
3186					const struct pci_device_id *pci_id)
3187{
3188	struct snd_card *card;
3189	struct intel8x0 *chip;
3190	int err;
3191	struct shortname_table *name;
3192
3193	err = snd_card_create(index, id, THIS_MODULE, 0, &card);
3194	if (err < 0)
3195		return err;
3196
3197	if (spdif_aclink < 0)
3198		spdif_aclink = check_default_spdif_aclink(pci);
3199
3200	strcpy(card->driver, "ICH");
3201	if (!spdif_aclink) {
3202		switch (pci_id->driver_data) {
3203		case DEVICE_NFORCE:
3204			strcpy(card->driver, "NFORCE");
3205			break;
3206		case DEVICE_INTEL_ICH4:
3207			strcpy(card->driver, "ICH4");
3208		}
3209	}
3210
3211	strcpy(card->shortname, "Intel ICH");
3212	for (name = shortnames; name->id; name++) {
3213		if (pci->device == name->id) {
3214			strcpy(card->shortname, name->s);
3215			break;
3216		}
3217	}
3218
3219	if (buggy_irq < 0) {
3220		/* some Nforce[2] and ICH boards have problems with IRQ handling.
3221		 * Needs to return IRQ_HANDLED for unknown irqs.
3222		 */
3223		if (pci_id->driver_data == DEVICE_NFORCE)
3224			buggy_irq = 1;
3225		else
3226			buggy_irq = 0;
3227	}
3228
3229	if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
3230				       &chip)) < 0) {
3231		snd_card_free(card);
3232		return err;
3233	}
3234	card->private_data = chip;
3235
3236	if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) {
3237		snd_card_free(card);
3238		return err;
3239	}
3240	if ((err = snd_intel8x0_pcm(chip)) < 0) {
3241		snd_card_free(card);
3242		return err;
3243	}
3244	
3245	snd_intel8x0_proc_init(chip);
3246
3247	snprintf(card->longname, sizeof(card->longname),
3248		 "%s with %s at irq %i", card->shortname,
3249		 snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3250
3251	if (ac97_clock == 0 || ac97_clock == 1) {
3252		if (ac97_clock == 0) {
3253			if (intel8x0_in_clock_list(chip) == 0)
3254				intel8x0_measure_ac97_clock(chip);
3255		} else {
3256			intel8x0_measure_ac97_clock(chip);
3257		}
3258	}
3259
3260	if ((err = snd_card_register(card)) < 0) {
3261		snd_card_free(card);
3262		return err;
3263	}
3264	pci_set_drvdata(pci, card);
3265	return 0;
3266}
3267
3268static void __devexit snd_intel8x0_remove(struct pci_dev *pci)
3269{
3270	snd_card_free(pci_get_drvdata(pci));
3271	pci_set_drvdata(pci, NULL);
3272}
3273
3274static struct pci_driver driver = {
3275	.name = KBUILD_MODNAME,
3276	.id_table = snd_intel8x0_ids,
3277	.probe = snd_intel8x0_probe,
3278	.remove = __devexit_p(snd_intel8x0_remove),
3279#ifdef CONFIG_PM
3280	.suspend = intel8x0_suspend,
3281	.resume = intel8x0_resume,
3282#endif
3283};
3284
3285
3286static int __init alsa_card_intel8x0_init(void)
3287{
3288	return pci_register_driver(&driver);
3289}
3290
3291static void __exit alsa_card_intel8x0_exit(void)
3292{
3293	pci_unregister_driver(&driver);
3294}
3295
3296module_init(alsa_card_intel8x0_init)
3297module_exit(alsa_card_intel8x0_exit)