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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);
v6.9.4
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 *   ALSA driver for Intel ICH (i8x0) chipsets
   4 *
   5 *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
   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 */      
  13
  14#include <linux/io.h>
  15#include <linux/delay.h>
  16#include <linux/interrupt.h>
  17#include <linux/init.h>
  18#include <linux/pci.h>
  19#include <linux/slab.h>
  20#include <linux/module.h>
  21#include <sound/core.h>
  22#include <sound/pcm.h>
  23#include <sound/ac97_codec.h>
  24#include <sound/info.h>
  25#include <sound/initval.h>
 
 
 
  26
  27MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  28MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455");
  29MODULE_LICENSE("GPL");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  30
  31static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */
  32static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */
  33static int ac97_clock;
  34static char *ac97_quirk;
  35static bool buggy_semaphore;
  36static int buggy_irq = -1; /* auto-check */
  37static bool xbox;
  38static int spdif_aclink = -1;
  39static int inside_vm = -1;
  40
  41module_param(index, int, 0444);
  42MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard.");
  43module_param(id, charp, 0444);
  44MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard.");
  45module_param(ac97_clock, int, 0444);
  46MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = allowlist + auto-detect, 1 = force autodetect).");
  47module_param(ac97_quirk, charp, 0444);
  48MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
  49module_param(buggy_semaphore, bool, 0444);
  50MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores.");
  51module_param(buggy_irq, bint, 0444);
  52MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards.");
  53module_param(xbox, bool, 0444);
  54MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection.");
  55module_param(spdif_aclink, int, 0444);
  56MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
  57module_param(inside_vm, bint, 0444);
  58MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization.");
  59
  60/* just for backward compatibility */
  61static bool enable;
  62module_param(enable, bool, 0444);
  63static int joystick;
  64module_param(joystick, int, 0444);
  65
  66/*
  67 *  Direct registers
  68 */
  69enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE };
  70
  71#define ICHREG(x) ICH_REG_##x
  72
  73#define DEFINE_REGSET(name,base) \
  74enum { \
  75	ICH_REG_##name##_BDBAR	= base + 0x0,	/* dword - buffer descriptor list base address */ \
  76	ICH_REG_##name##_CIV	= base + 0x04,	/* byte - current index value */ \
  77	ICH_REG_##name##_LVI	= base + 0x05,	/* byte - last valid index */ \
  78	ICH_REG_##name##_SR	= base + 0x06,	/* byte - status register */ \
  79	ICH_REG_##name##_PICB	= base + 0x08,	/* word - position in current buffer */ \
  80	ICH_REG_##name##_PIV	= base + 0x0a,	/* byte - prefetched index value */ \
  81	ICH_REG_##name##_CR	= base + 0x0b,	/* byte - control register */ \
  82}
  83
  84/* busmaster blocks */
  85DEFINE_REGSET(OFF, 0);		/* offset */
  86DEFINE_REGSET(PI, 0x00);	/* PCM in */
  87DEFINE_REGSET(PO, 0x10);	/* PCM out */
  88DEFINE_REGSET(MC, 0x20);	/* Mic in */
  89
  90/* ICH4 busmaster blocks */
  91DEFINE_REGSET(MC2, 0x40);	/* Mic in 2 */
  92DEFINE_REGSET(PI2, 0x50);	/* PCM in 2 */
  93DEFINE_REGSET(SP, 0x60);	/* SPDIF out */
  94
  95/* values for each busmaster block */
  96
  97/* LVI */
  98#define ICH_REG_LVI_MASK		0x1f
  99
 100/* SR */
 101#define ICH_FIFOE			0x10	/* FIFO error */
 102#define ICH_BCIS			0x08	/* buffer completion interrupt status */
 103#define ICH_LVBCI			0x04	/* last valid buffer completion interrupt */
 104#define ICH_CELV			0x02	/* current equals last valid */
 105#define ICH_DCH				0x01	/* DMA controller halted */
 106
 107/* PIV */
 108#define ICH_REG_PIV_MASK		0x1f	/* mask */
 109
 110/* CR */
 111#define ICH_IOCE			0x10	/* interrupt on completion enable */
 112#define ICH_FEIE			0x08	/* fifo error interrupt enable */
 113#define ICH_LVBIE			0x04	/* last valid buffer interrupt enable */
 114#define ICH_RESETREGS			0x02	/* reset busmaster registers */
 115#define ICH_STARTBM			0x01	/* start busmaster operation */
 116
 117
 118/* global block */
 119#define ICH_REG_GLOB_CNT		0x2c	/* dword - global control */
 120#define   ICH_PCM_SPDIF_MASK	0xc0000000	/* s/pdif pcm slot mask (ICH4) */
 121#define   ICH_PCM_SPDIF_NONE	0x00000000	/* reserved - undefined */
 122#define   ICH_PCM_SPDIF_78	0x40000000	/* s/pdif pcm on slots 7&8 */
 123#define   ICH_PCM_SPDIF_69	0x80000000	/* s/pdif pcm on slots 6&9 */
 124#define   ICH_PCM_SPDIF_1011	0xc0000000	/* s/pdif pcm on slots 10&11 */
 125#define   ICH_PCM_20BIT		0x00400000	/* 20-bit samples (ICH4) */
 126#define   ICH_PCM_246_MASK	0x00300000	/* chan mask (not all chips) */
 127#define   ICH_PCM_8		0x00300000      /* 8 channels (not all chips) */
 128#define   ICH_PCM_6		0x00200000	/* 6 channels (not all chips) */
 129#define   ICH_PCM_4		0x00100000	/* 4 channels (not all chips) */
 130#define   ICH_PCM_2		0x00000000	/* 2 channels (stereo) */
 131#define   ICH_SIS_PCM_246_MASK	0x000000c0	/* 6 channels (SIS7012) */
 132#define   ICH_SIS_PCM_6		0x00000080	/* 6 channels (SIS7012) */
 133#define   ICH_SIS_PCM_4		0x00000040	/* 4 channels (SIS7012) */
 134#define   ICH_SIS_PCM_2		0x00000000	/* 2 channels (SIS7012) */
 135#define   ICH_TRIE		0x00000040	/* tertiary resume interrupt enable */
 136#define   ICH_SRIE		0x00000020	/* secondary resume interrupt enable */
 137#define   ICH_PRIE		0x00000010	/* primary resume interrupt enable */
 138#define   ICH_ACLINK		0x00000008	/* AClink shut off */
 139#define   ICH_AC97WARM		0x00000004	/* AC'97 warm reset */
 140#define   ICH_AC97COLD		0x00000002	/* AC'97 cold reset */
 141#define   ICH_GIE		0x00000001	/* GPI interrupt enable */
 142#define ICH_REG_GLOB_STA		0x30	/* dword - global status */
 143#define   ICH_TRI		0x20000000	/* ICH4: tertiary (AC_SDIN2) resume interrupt */
 144#define   ICH_TCR		0x10000000	/* ICH4: tertiary (AC_SDIN2) codec ready */
 145#define   ICH_BCS		0x08000000	/* ICH4: bit clock stopped */
 146#define   ICH_SPINT		0x04000000	/* ICH4: S/PDIF interrupt */
 147#define   ICH_P2INT		0x02000000	/* ICH4: PCM2-In interrupt */
 148#define   ICH_M2INT		0x01000000	/* ICH4: Mic2-In interrupt */
 149#define   ICH_SAMPLE_CAP	0x00c00000	/* ICH4: sample capability bits (RO) */
 150#define   ICH_SAMPLE_16_20	0x00400000	/* ICH4: 16- and 20-bit samples */
 151#define   ICH_MULTICHAN_CAP	0x00300000	/* ICH4: multi-channel capability bits (RO) */
 152#define   ICH_SIS_TRI		0x00080000	/* SIS: tertiary resume irq */
 153#define   ICH_SIS_TCR		0x00040000	/* SIS: tertiary codec ready */
 154#define   ICH_MD3		0x00020000	/* modem power down semaphore */
 155#define   ICH_AD3		0x00010000	/* audio power down semaphore */
 156#define   ICH_RCS		0x00008000	/* read completion status */
 157#define   ICH_BIT3		0x00004000	/* bit 3 slot 12 */
 158#define   ICH_BIT2		0x00002000	/* bit 2 slot 12 */
 159#define   ICH_BIT1		0x00001000	/* bit 1 slot 12 */
 160#define   ICH_SRI		0x00000800	/* secondary (AC_SDIN1) resume interrupt */
 161#define   ICH_PRI		0x00000400	/* primary (AC_SDIN0) resume interrupt */
 162#define   ICH_SCR		0x00000200	/* secondary (AC_SDIN1) codec ready */
 163#define   ICH_PCR		0x00000100	/* primary (AC_SDIN0) codec ready */
 164#define   ICH_MCINT		0x00000080	/* MIC capture interrupt */
 165#define   ICH_POINT		0x00000040	/* playback interrupt */
 166#define   ICH_PIINT		0x00000020	/* capture interrupt */
 167#define   ICH_NVSPINT		0x00000010	/* nforce spdif interrupt */
 168#define   ICH_MOINT		0x00000004	/* modem playback interrupt */
 169#define   ICH_MIINT		0x00000002	/* modem capture interrupt */
 170#define   ICH_GSCI		0x00000001	/* GPI status change interrupt */
 171#define ICH_REG_ACC_SEMA		0x34	/* byte - codec write semaphore */
 172#define   ICH_CAS		0x01		/* codec access semaphore */
 173#define ICH_REG_SDM		0x80
 174#define   ICH_DI2L_MASK		0x000000c0	/* PCM In 2, Mic In 2 data in line */
 175#define   ICH_DI2L_SHIFT	6
 176#define   ICH_DI1L_MASK		0x00000030	/* PCM In 1, Mic In 1 data in line */
 177#define   ICH_DI1L_SHIFT	4
 178#define   ICH_SE		0x00000008	/* steer enable */
 179#define   ICH_LDI_MASK		0x00000003	/* last codec read data input */
 180
 181#define ICH_MAX_FRAGS		32		/* max hw frags */
 182
 183
 184/*
 185 * registers for Ali5455
 186 */
 187
 188/* ALi 5455 busmaster blocks */
 189DEFINE_REGSET(AL_PI, 0x40);	/* ALi PCM in */
 190DEFINE_REGSET(AL_PO, 0x50);	/* Ali PCM out */
 191DEFINE_REGSET(AL_MC, 0x60);	/* Ali Mic in */
 192DEFINE_REGSET(AL_CDC_SPO, 0x70);	/* Ali Codec SPDIF out */
 193DEFINE_REGSET(AL_CENTER, 0x80);		/* Ali center out */
 194DEFINE_REGSET(AL_LFE, 0x90);		/* Ali center out */
 195DEFINE_REGSET(AL_CLR_SPI, 0xa0);	/* Ali Controller SPDIF in */
 196DEFINE_REGSET(AL_CLR_SPO, 0xb0);	/* Ali Controller SPDIF out */
 197DEFINE_REGSET(AL_I2S, 0xc0);	/* Ali I2S in */
 198DEFINE_REGSET(AL_PI2, 0xd0);	/* Ali PCM2 in */
 199DEFINE_REGSET(AL_MC2, 0xe0);	/* Ali Mic2 in */
 200
 201enum {
 202	ICH_REG_ALI_SCR = 0x00,		/* System Control Register */
 203	ICH_REG_ALI_SSR = 0x04,		/* System Status Register  */
 204	ICH_REG_ALI_DMACR = 0x08,	/* DMA Control Register    */
 205	ICH_REG_ALI_FIFOCR1 = 0x0c,	/* FIFO Control Register 1  */
 206	ICH_REG_ALI_INTERFACECR = 0x10,	/* Interface Control Register */
 207	ICH_REG_ALI_INTERRUPTCR = 0x14,	/* Interrupt control Register */
 208	ICH_REG_ALI_INTERRUPTSR = 0x18,	/* Interrupt  Status Register */
 209	ICH_REG_ALI_FIFOCR2 = 0x1c,	/* FIFO Control Register 2   */
 210	ICH_REG_ALI_CPR = 0x20,		/* Command Port Register     */
 211	ICH_REG_ALI_CPR_ADDR = 0x22,	/* ac97 addr write */
 212	ICH_REG_ALI_SPR = 0x24,		/* Status Port Register      */
 213	ICH_REG_ALI_SPR_ADDR = 0x26,	/* ac97 addr read */
 214	ICH_REG_ALI_FIFOCR3 = 0x2c,	/* FIFO Control Register 3  */
 215	ICH_REG_ALI_TTSR = 0x30,	/* Transmit Tag Slot Register */
 216	ICH_REG_ALI_RTSR = 0x34,	/* Receive Tag Slot  Register */
 217	ICH_REG_ALI_CSPSR = 0x38,	/* Command/Status Port Status Register */
 218	ICH_REG_ALI_CAS = 0x3c,		/* Codec Write Semaphore Register */
 219	ICH_REG_ALI_HWVOL = 0xf0,	/* hardware volume control/status */
 220	ICH_REG_ALI_I2SCR = 0xf4,	/* I2S control/status */
 221	ICH_REG_ALI_SPDIFCSR = 0xf8,	/* spdif channel status register  */
 222	ICH_REG_ALI_SPDIFICS = 0xfc,	/* spdif interface control/status  */
 223};
 224
 225#define ALI_CAS_SEM_BUSY	0x80000000
 226#define ALI_CPR_ADDR_SECONDARY	0x100
 227#define ALI_CPR_ADDR_READ	0x80
 228#define ALI_CSPSR_CODEC_READY	0x08
 229#define ALI_CSPSR_READ_OK	0x02
 230#define ALI_CSPSR_WRITE_OK	0x01
 231
 232/* interrupts for the whole chip by interrupt status register finish */
 233 
 234#define ALI_INT_MICIN2		(1<<26)
 235#define ALI_INT_PCMIN2		(1<<25)
 236#define ALI_INT_I2SIN		(1<<24)
 237#define ALI_INT_SPDIFOUT	(1<<23)	/* controller spdif out INTERRUPT */
 238#define ALI_INT_SPDIFIN		(1<<22)
 239#define ALI_INT_LFEOUT		(1<<21)
 240#define ALI_INT_CENTEROUT	(1<<20)
 241#define ALI_INT_CODECSPDIFOUT	(1<<19)
 242#define ALI_INT_MICIN		(1<<18)
 243#define ALI_INT_PCMOUT		(1<<17)
 244#define ALI_INT_PCMIN		(1<<16)
 245#define ALI_INT_CPRAIS		(1<<7)	/* command port available */
 246#define ALI_INT_SPRAIS		(1<<5)	/* status port available */
 247#define ALI_INT_GPIO		(1<<1)
 248#define ALI_INT_MASK		(ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\
 249				 ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
 250
 251#define ICH_ALI_SC_RESET	(1<<31)	/* master reset */
 252#define ICH_ALI_SC_AC97_DBL	(1<<30)
 253#define ICH_ALI_SC_CODEC_SPDF	(3<<20)	/* 1=7/8, 2=6/9, 3=10/11 */
 254#define ICH_ALI_SC_IN_BITS	(3<<18)
 255#define ICH_ALI_SC_OUT_BITS	(3<<16)
 256#define ICH_ALI_SC_6CH_CFG	(3<<14)
 257#define ICH_ALI_SC_PCM_4	(1<<8)
 258#define ICH_ALI_SC_PCM_6	(2<<8)
 259#define ICH_ALI_SC_PCM_246_MASK	(3<<8)
 260
 261#define ICH_ALI_SS_SEC_ID	(3<<5)
 262#define ICH_ALI_SS_PRI_ID	(3<<3)
 263
 264#define ICH_ALI_IF_AC97SP	(1<<21)
 265#define ICH_ALI_IF_MC		(1<<20)
 266#define ICH_ALI_IF_PI		(1<<19)
 267#define ICH_ALI_IF_MC2		(1<<18)
 268#define ICH_ALI_IF_PI2		(1<<17)
 269#define ICH_ALI_IF_LINE_SRC	(1<<15)	/* 0/1 = slot 3/6 */
 270#define ICH_ALI_IF_MIC_SRC	(1<<14)	/* 0/1 = slot 3/6 */
 271#define ICH_ALI_IF_SPDF_SRC	(3<<12)	/* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
 272#define ICH_ALI_IF_AC97_OUT	(3<<8)	/* 00 = PCM, 10 = spdif-in, 11 = i2s */
 273#define ICH_ALI_IF_PO_SPDF	(1<<3)
 274#define ICH_ALI_IF_PO		(1<<1)
 275
 276/*
 277 *  
 278 */
 279
 280enum {
 281	ICHD_PCMIN,
 282	ICHD_PCMOUT,
 283	ICHD_MIC,
 284	ICHD_MIC2,
 285	ICHD_PCM2IN,
 286	ICHD_SPBAR,
 287	ICHD_LAST = ICHD_SPBAR
 288};
 289enum {
 290	NVD_PCMIN,
 291	NVD_PCMOUT,
 292	NVD_MIC,
 293	NVD_SPBAR,
 294	NVD_LAST = NVD_SPBAR
 295};
 296enum {
 297	ALID_PCMIN,
 298	ALID_PCMOUT,
 299	ALID_MIC,
 300	ALID_AC97SPDIFOUT,
 301	ALID_SPDIFIN,
 302	ALID_SPDIFOUT,
 303	ALID_LAST = ALID_SPDIFOUT
 304};
 305
 306#define get_ichdev(substream) (substream->runtime->private_data)
 307
 308struct ichdev {
 309	unsigned int ichd;			/* ich device number */
 310	unsigned long reg_offset;		/* offset to bmaddr */
 311	__le32 *bdbar;				/* CPU address (32bit) */
 312	unsigned int bdbar_addr;		/* PCI bus address (32bit) */
 313	struct snd_pcm_substream *substream;
 314	unsigned int physbuf;			/* physical address (32bit) */
 315        unsigned int size;
 316        unsigned int fragsize;
 317        unsigned int fragsize1;
 318        unsigned int position;
 319	unsigned int pos_shift;
 320	unsigned int last_pos;
 321        int frags;
 322        int lvi;
 323        int lvi_frag;
 324	int civ;
 325	int ack;
 326	int ack_reload;
 327	unsigned int ack_bit;
 328	unsigned int roff_sr;
 329	unsigned int roff_picb;
 330	unsigned int int_sta_mask;		/* interrupt status mask */
 331	unsigned int ali_slot;			/* ALI DMA slot */
 332	struct ac97_pcm *pcm;
 333	int pcm_open_flag;
 334	unsigned int prepared:1;
 335	unsigned int suspended: 1;
 336};
 337
 338struct intel8x0 {
 339	unsigned int device_type;
 340
 341	int irq;
 342
 343	void __iomem *addr;
 344	void __iomem *bmaddr;
 345
 346	struct pci_dev *pci;
 347	struct snd_card *card;
 348
 349	int pcm_devs;
 350	struct snd_pcm *pcm[6];
 351	struct ichdev ichd[6];
 352
 353	unsigned multi4: 1,
 354		 multi6: 1,
 355		 multi8 :1,
 356		 dra: 1,
 357		 smp20bit: 1;
 358	unsigned in_ac97_init: 1,
 359		 in_sdin_init: 1;
 360	unsigned in_measurement: 1;	/* during ac97 clock measurement */
 361	unsigned fix_nocache: 1; 	/* workaround for 440MX */
 362	unsigned buggy_irq: 1;		/* workaround for buggy mobos */
 363	unsigned xbox: 1;		/* workaround for Xbox AC'97 detection */
 364	unsigned buggy_semaphore: 1;	/* workaround for buggy codec semaphore */
 365	unsigned inside_vm: 1;		/* enable VM optimization */
 366
 367	int spdif_idx;	/* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */
 368	unsigned int sdm_saved;	/* SDM reg value */
 369
 370	struct snd_ac97_bus *ac97_bus;
 371	struct snd_ac97 *ac97[3];
 372	unsigned int ac97_sdin[3];
 373	unsigned int max_codecs, ncodecs;
 374	const unsigned int *codec_bit;
 375	unsigned int codec_isr_bits;
 376	unsigned int codec_ready_bits;
 377
 378	spinlock_t reg_lock;
 379	
 380	u32 bdbars_count;
 381	struct snd_dma_buffer *bdbars;
 382	u32 int_sta_reg;		/* interrupt status register */
 383	u32 int_sta_mask;		/* interrupt status mask */
 384};
 385
 386static const struct pci_device_id snd_intel8x0_ids[] = {
 387	{ PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },	/* 82801AA */
 388	{ PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },	/* 82901AB */
 389	{ PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },	/* 82801BA */
 390	{ PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },	/* ICH3 */
 391	{ PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */
 392	{ PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */
 393	{ PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */
 394	{ PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */
 395	{ PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */
 396	{ PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */
 397	{ PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },	/* 440MX */
 398	{ PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },	/* SI7012 */
 399	{ PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE },	/* NFORCE */
 400	{ PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE },	/* MCP04 */
 401	{ PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE },	/* NFORCE2 */
 402	{ PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE },	/* CK804 */
 403	{ PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE },	/* CK8 */
 404	{ PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE },	/* NFORCE3 */
 405	{ PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE },	/* CK8S */
 406	{ PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE },	/* MCP51 */
 407	{ PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },	/* AMD8111 */
 408	{ PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },	/* AMD768 */
 409	{ PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */
 410	{ 0, }
 411};
 412
 413MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids);
 414
 415/*
 416 *  Lowlevel I/O - busmaster
 417 */
 418
 419static inline u8 igetbyte(struct intel8x0 *chip, u32 offset)
 420{
 421	return ioread8(chip->bmaddr + offset);
 422}
 423
 424static inline u16 igetword(struct intel8x0 *chip, u32 offset)
 425{
 426	return ioread16(chip->bmaddr + offset);
 427}
 428
 429static inline u32 igetdword(struct intel8x0 *chip, u32 offset)
 430{
 431	return ioread32(chip->bmaddr + offset);
 432}
 433
 434static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val)
 435{
 436	iowrite8(val, chip->bmaddr + offset);
 437}
 438
 439static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val)
 440{
 441	iowrite16(val, chip->bmaddr + offset);
 442}
 443
 444static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val)
 445{
 446	iowrite32(val, chip->bmaddr + offset);
 447}
 448
 449/*
 450 *  Lowlevel I/O - AC'97 registers
 451 */
 452
 453static inline u16 iagetword(struct intel8x0 *chip, u32 offset)
 454{
 455	return ioread16(chip->addr + offset);
 456}
 457
 458static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val)
 459{
 460	iowrite16(val, chip->addr + offset);
 461}
 462
 463/*
 464 *  Basic I/O
 465 */
 466
 467/*
 468 * access to AC97 codec via normal i/o (for ICH and SIS7012)
 469 */
 470
 471static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec)
 472{
 473	int time;
 474	
 475	if (codec > 2)
 476		return -EIO;
 477	if (chip->in_sdin_init) {
 478		/* we don't know the ready bit assignment at the moment */
 479		/* so we check any */
 480		codec = chip->codec_isr_bits;
 481	} else {
 482		codec = chip->codec_bit[chip->ac97_sdin[codec]];
 483	}
 484
 485	/* codec ready ? */
 486	if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0)
 487		return -EIO;
 488
 489	if (chip->buggy_semaphore)
 490		return 0; /* just ignore ... */
 491
 492	/* Anyone holding a semaphore for 1 msec should be shot... */
 493	time = 100;
 494      	do {
 495      		if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS))
 496      			return 0;
 497		udelay(10);
 498	} while (time--);
 499
 500	/* access to some forbidden (non existent) ac97 registers will not
 501	 * reset the semaphore. So even if you don't get the semaphore, still
 502	 * continue the access. We don't need the semaphore anyway. */
 503	dev_err(chip->card->dev,
 504		"codec_semaphore: semaphore is not ready [0x%x][0x%x]\n",
 505			igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA)));
 506	iagetword(chip, 0);	/* clear semaphore flag */
 507	/* I don't care about the semaphore */
 508	return -EBUSY;
 509}
 510 
 511static void snd_intel8x0_codec_write(struct snd_ac97 *ac97,
 512				     unsigned short reg,
 513				     unsigned short val)
 514{
 515	struct intel8x0 *chip = ac97->private_data;
 516	
 517	if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 518		if (! chip->in_ac97_init)
 519			dev_err(chip->card->dev,
 520				"codec_write %d: semaphore is not ready for register 0x%x\n",
 521				ac97->num, reg);
 522	}
 523	iaputword(chip, reg + ac97->num * 0x80, val);
 524}
 525
 526static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97,
 527					      unsigned short reg)
 528{
 529	struct intel8x0 *chip = ac97->private_data;
 530	unsigned short res;
 531	unsigned int tmp;
 532
 533	if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) {
 534		if (! chip->in_ac97_init)
 535			dev_err(chip->card->dev,
 536				"codec_read %d: semaphore is not ready for register 0x%x\n",
 537				ac97->num, reg);
 538		res = 0xffff;
 539	} else {
 540		res = iagetword(chip, reg + ac97->num * 0x80);
 541		tmp = igetdword(chip, ICHREG(GLOB_STA));
 542		if (tmp & ICH_RCS) {
 543			/* reset RCS and preserve other R/WC bits */
 544			iputdword(chip, ICHREG(GLOB_STA), tmp &
 545				  ~(chip->codec_ready_bits | ICH_GSCI));
 546			if (! chip->in_ac97_init)
 547				dev_err(chip->card->dev,
 548					"codec_read %d: read timeout for register 0x%x\n",
 549					ac97->num, reg);
 550			res = 0xffff;
 551		}
 552	}
 553	return res;
 554}
 555
 556static void snd_intel8x0_codec_read_test(struct intel8x0 *chip,
 557					 unsigned int codec)
 558{
 559	unsigned int tmp;
 560
 561	if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) {
 562		iagetword(chip, codec * 0x80);
 563		tmp = igetdword(chip, ICHREG(GLOB_STA));
 564		if (tmp & ICH_RCS) {
 565			/* reset RCS and preserve other R/WC bits */
 566			iputdword(chip, ICHREG(GLOB_STA), tmp &
 567				  ~(chip->codec_ready_bits | ICH_GSCI));
 568		}
 569	}
 570}
 571
 572/*
 573 * access to AC97 for Ali5455
 574 */
 575static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask)
 576{
 577	int count = 0;
 578	for (count = 0; count < 0x7f; count++) {
 579		int val = igetbyte(chip, ICHREG(ALI_CSPSR));
 580		if (val & mask)
 581			return 0;
 582	}
 583	if (! chip->in_ac97_init)
 584		dev_warn(chip->card->dev, "AC97 codec ready timeout.\n");
 585	return -EBUSY;
 586}
 587
 588static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip)
 589{
 590	int time = 100;
 591	if (chip->buggy_semaphore)
 592		return 0; /* just ignore ... */
 593	while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY))
 594		udelay(1);
 595	if (! time && ! chip->in_ac97_init)
 596		dev_warn(chip->card->dev, "ali_codec_semaphore timeout\n");
 597	return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY);
 598}
 599
 600static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg)
 601{
 602	struct intel8x0 *chip = ac97->private_data;
 603	unsigned short data = 0xffff;
 604
 605	if (snd_intel8x0_ali_codec_semaphore(chip))
 606		goto __err;
 607	reg |= ALI_CPR_ADDR_READ;
 608	if (ac97->num)
 609		reg |= ALI_CPR_ADDR_SECONDARY;
 610	iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 611	if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK))
 612		goto __err;
 613	data = igetword(chip, ICHREG(ALI_SPR));
 614 __err:
 615	return data;
 616}
 617
 618static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg,
 619					 unsigned short val)
 620{
 621	struct intel8x0 *chip = ac97->private_data;
 622
 623	if (snd_intel8x0_ali_codec_semaphore(chip))
 624		return;
 625	iputword(chip, ICHREG(ALI_CPR), val);
 626	if (ac97->num)
 627		reg |= ALI_CPR_ADDR_SECONDARY;
 628	iputword(chip, ICHREG(ALI_CPR_ADDR), reg);
 629	snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK);
 630}
 631
 632
 633/*
 634 * DMA I/O
 635 */
 636static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) 
 637{
 638	int idx;
 639	__le32 *bdbar = ichdev->bdbar;
 640	unsigned long port = ichdev->reg_offset;
 641
 642	iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
 643	if (ichdev->size == ichdev->fragsize) {
 644		ichdev->ack_reload = ichdev->ack = 2;
 645		ichdev->fragsize1 = ichdev->fragsize >> 1;
 646		for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) {
 647			bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf);
 648			bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 649						     ichdev->fragsize1 >> ichdev->pos_shift);
 650			bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1));
 651			bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 652						     ichdev->fragsize1 >> ichdev->pos_shift);
 653		}
 654		ichdev->frags = 2;
 655	} else {
 656		ichdev->ack_reload = ichdev->ack = 1;
 657		ichdev->fragsize1 = ichdev->fragsize;
 658		for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) {
 659			bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf +
 660						     (((idx >> 1) * ichdev->fragsize) %
 661						      ichdev->size));
 662			bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */
 663						     ichdev->fragsize >> ichdev->pos_shift);
 664#if 0
 665			dev_dbg(chip->card->dev, "bdbar[%i] = 0x%x [0x%x]\n",
 666			       idx + 0, bdbar[idx + 0], bdbar[idx + 1]);
 667#endif
 668		}
 669		ichdev->frags = ichdev->size / ichdev->fragsize;
 670	}
 671	iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK);
 672	ichdev->civ = 0;
 673	iputbyte(chip, port + ICH_REG_OFF_CIV, 0);
 674	ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags;
 675	ichdev->position = 0;
 676#if 0
 677	dev_dbg(chip->card->dev,
 678		"lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n",
 679	       ichdev->lvi_frag, ichdev->frags, ichdev->fragsize,
 680	       ichdev->fragsize1);
 681#endif
 682	/* clear interrupts */
 683	iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
 684}
 685
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 686/*
 687 *  Interrupt handler
 688 */
 689
 690static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev)
 691{
 692	unsigned long port = ichdev->reg_offset;
 693	unsigned long flags;
 694	int status, civ, i, step;
 695	int ack = 0;
 696
 697	if (!(ichdev->prepared || chip->in_measurement) || ichdev->suspended)
 698		return;
 699
 700	spin_lock_irqsave(&chip->reg_lock, flags);
 701	status = igetbyte(chip, port + ichdev->roff_sr);
 702	civ = igetbyte(chip, port + ICH_REG_OFF_CIV);
 703	if (!(status & ICH_BCIS)) {
 704		step = 0;
 705	} else if (civ == ichdev->civ) {
 706		// snd_printd("civ same %d\n", civ);
 707		step = 1;
 708		ichdev->civ++;
 709		ichdev->civ &= ICH_REG_LVI_MASK;
 710	} else {
 711		step = civ - ichdev->civ;
 712		if (step < 0)
 713			step += ICH_REG_LVI_MASK + 1;
 714		// if (step != 1)
 715		//	snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ);
 716		ichdev->civ = civ;
 717	}
 718
 719	ichdev->position += step * ichdev->fragsize1;
 720	if (! chip->in_measurement)
 721		ichdev->position %= ichdev->size;
 722	ichdev->lvi += step;
 723	ichdev->lvi &= ICH_REG_LVI_MASK;
 724	iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
 725	for (i = 0; i < step; i++) {
 726		ichdev->lvi_frag++;
 727		ichdev->lvi_frag %= ichdev->frags;
 728		ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1);
 729#if 0
 730	dev_dbg(chip->card->dev,
 731		"new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n",
 732	       ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2],
 733	       ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port),
 734	       inl(port + 4), inb(port + ICH_REG_OFF_CR));
 735#endif
 736		if (--ichdev->ack == 0) {
 737			ichdev->ack = ichdev->ack_reload;
 738			ack = 1;
 739		}
 740	}
 741	spin_unlock_irqrestore(&chip->reg_lock, flags);
 742	if (ack && ichdev->substream) {
 743		snd_pcm_period_elapsed(ichdev->substream);
 744	}
 745	iputbyte(chip, port + ichdev->roff_sr,
 746		 status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI));
 747}
 748
 749static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id)
 750{
 751	struct intel8x0 *chip = dev_id;
 752	struct ichdev *ichdev;
 753	unsigned int status;
 754	unsigned int i;
 755
 756	status = igetdword(chip, chip->int_sta_reg);
 757	if (status == 0xffffffff)	/* we are not yet resumed */
 758		return IRQ_NONE;
 759
 760	if ((status & chip->int_sta_mask) == 0) {
 761		if (status) {
 762			/* ack */
 763			iputdword(chip, chip->int_sta_reg, status);
 764			if (! chip->buggy_irq)
 765				status = 0;
 766		}
 767		return IRQ_RETVAL(status);
 768	}
 769
 770	for (i = 0; i < chip->bdbars_count; i++) {
 771		ichdev = &chip->ichd[i];
 772		if (status & ichdev->int_sta_mask)
 773			snd_intel8x0_update(chip, ichdev);
 774	}
 775
 776	/* ack them */
 777	iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask);
 778	
 779	return IRQ_HANDLED;
 780}
 781
 782/*
 783 *  PCM part
 784 */
 785
 786static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 787{
 788	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 789	struct ichdev *ichdev = get_ichdev(substream);
 790	unsigned char val = 0;
 791	unsigned long port = ichdev->reg_offset;
 792
 793	switch (cmd) {
 794	case SNDRV_PCM_TRIGGER_RESUME:
 795		ichdev->suspended = 0;
 796		fallthrough;
 797	case SNDRV_PCM_TRIGGER_START:
 798	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 799		val = ICH_IOCE | ICH_STARTBM;
 800		ichdev->last_pos = ichdev->position;
 801		break;
 802	case SNDRV_PCM_TRIGGER_SUSPEND:
 803		ichdev->suspended = 1;
 804		fallthrough;
 805	case SNDRV_PCM_TRIGGER_STOP:
 806		val = 0;
 807		break;
 808	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 809		val = ICH_IOCE;
 810		break;
 811	default:
 812		return -EINVAL;
 813	}
 814	iputbyte(chip, port + ICH_REG_OFF_CR, val);
 815	if (cmd == SNDRV_PCM_TRIGGER_STOP) {
 816		/* wait until DMA stopped */
 817		while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ;
 818		/* reset whole DMA things */
 819		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 820	}
 821	return 0;
 822}
 823
 824static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd)
 825{
 826	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 827	struct ichdev *ichdev = get_ichdev(substream);
 828	unsigned long port = ichdev->reg_offset;
 829	static const int fiforeg[] = {
 830		ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3)
 831	};
 832	unsigned int val, fifo;
 833
 834	val = igetdword(chip, ICHREG(ALI_DMACR));
 835	switch (cmd) {
 836	case SNDRV_PCM_TRIGGER_RESUME:
 837		ichdev->suspended = 0;
 838		fallthrough;
 839	case SNDRV_PCM_TRIGGER_START:
 840	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 841		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 842			/* clear FIFO for synchronization of channels */
 843			fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]);
 844			fifo &= ~(0xff << (ichdev->ali_slot % 4));  
 845			fifo |= 0x83 << (ichdev->ali_slot % 4); 
 846			iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo);
 847		}
 848		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
 849		val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */
 850		/* start DMA */
 851		iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot));
 852		break;
 853	case SNDRV_PCM_TRIGGER_SUSPEND:
 854		ichdev->suspended = 1;
 855		fallthrough;
 856	case SNDRV_PCM_TRIGGER_STOP:
 857	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 858		/* pause */
 859		iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16)));
 860		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
 861		while (igetbyte(chip, port + ICH_REG_OFF_CR))
 862			;
 863		if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH)
 864			break;
 865		/* reset whole DMA things */
 866		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
 867		/* clear interrupts */
 868		iputbyte(chip, port + ICH_REG_OFF_SR,
 869			 igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e);
 870		iputdword(chip, ICHREG(ALI_INTERRUPTSR),
 871			  igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask);
 872		break;
 873	default:
 874		return -EINVAL;
 875	}
 876	return 0;
 877}
 878
 879static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream,
 880				  struct snd_pcm_hw_params *hw_params)
 881{
 882	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 883	struct ichdev *ichdev = get_ichdev(substream);
 
 884	int dbl = params_rate(hw_params) > 48000;
 885	int err;
 886
 
 
 
 
 
 
 
 
 
 
 
 
 
 887	if (ichdev->pcm_open_flag) {
 888		snd_ac97_pcm_close(ichdev->pcm);
 889		ichdev->pcm_open_flag = 0;
 890		ichdev->prepared = 0;
 891	}
 892	err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params),
 893				params_channels(hw_params),
 894				ichdev->pcm->r[dbl].slots);
 895	if (err >= 0) {
 896		ichdev->pcm_open_flag = 1;
 897		/* Force SPDIF setting */
 898		if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0)
 899			snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF,
 900					  params_rate(hw_params));
 901	}
 902	return err;
 903}
 904
 905static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream)
 906{
 
 907	struct ichdev *ichdev = get_ichdev(substream);
 908
 909	if (ichdev->pcm_open_flag) {
 910		snd_ac97_pcm_close(ichdev->pcm);
 911		ichdev->pcm_open_flag = 0;
 912		ichdev->prepared = 0;
 913	}
 914	return 0;
 
 
 
 
 915}
 916
 917static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip,
 918				       struct snd_pcm_runtime *runtime)
 919{
 920	unsigned int cnt;
 921	int dbl = runtime->rate > 48000;
 922
 923	spin_lock_irq(&chip->reg_lock);
 924	switch (chip->device_type) {
 925	case DEVICE_ALI:
 926		cnt = igetdword(chip, ICHREG(ALI_SCR));
 927		cnt &= ~ICH_ALI_SC_PCM_246_MASK;
 928		if (runtime->channels == 4 || dbl)
 929			cnt |= ICH_ALI_SC_PCM_4;
 930		else if (runtime->channels == 6)
 931			cnt |= ICH_ALI_SC_PCM_6;
 932		iputdword(chip, ICHREG(ALI_SCR), cnt);
 933		break;
 934	case DEVICE_SIS:
 935		cnt = igetdword(chip, ICHREG(GLOB_CNT));
 936		cnt &= ~ICH_SIS_PCM_246_MASK;
 937		if (runtime->channels == 4 || dbl)
 938			cnt |= ICH_SIS_PCM_4;
 939		else if (runtime->channels == 6)
 940			cnt |= ICH_SIS_PCM_6;
 941		iputdword(chip, ICHREG(GLOB_CNT), cnt);
 942		break;
 943	default:
 944		cnt = igetdword(chip, ICHREG(GLOB_CNT));
 945		cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT);
 946		if (runtime->channels == 4 || dbl)
 947			cnt |= ICH_PCM_4;
 948		else if (runtime->channels == 6)
 949			cnt |= ICH_PCM_6;
 950		else if (runtime->channels == 8)
 951			cnt |= ICH_PCM_8;
 952		if (chip->device_type == DEVICE_NFORCE) {
 953			/* reset to 2ch once to keep the 6 channel data in alignment,
 954			 * to start from Front Left always
 955			 */
 956			if (cnt & ICH_PCM_246_MASK) {
 957				iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK);
 958				spin_unlock_irq(&chip->reg_lock);
 959				msleep(50); /* grrr... */
 960				spin_lock_irq(&chip->reg_lock);
 961			}
 962		} else if (chip->device_type == DEVICE_INTEL_ICH4) {
 963			if (runtime->sample_bits > 16)
 964				cnt |= ICH_PCM_20BIT;
 965		}
 966		iputdword(chip, ICHREG(GLOB_CNT), cnt);
 967		break;
 968	}
 969	spin_unlock_irq(&chip->reg_lock);
 970}
 971
 972static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream)
 973{
 974	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 975	struct snd_pcm_runtime *runtime = substream->runtime;
 976	struct ichdev *ichdev = get_ichdev(substream);
 977
 978	ichdev->physbuf = runtime->dma_addr;
 979	ichdev->size = snd_pcm_lib_buffer_bytes(substream);
 980	ichdev->fragsize = snd_pcm_lib_period_bytes(substream);
 981	if (ichdev->ichd == ICHD_PCMOUT) {
 982		snd_intel8x0_setup_pcm_out(chip, runtime);
 983		if (chip->device_type == DEVICE_INTEL_ICH4)
 984			ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1;
 985	}
 986	snd_intel8x0_setup_periods(chip, ichdev);
 987	ichdev->prepared = 1;
 988	return 0;
 989}
 990
 991static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream)
 992{
 993	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
 994	struct ichdev *ichdev = get_ichdev(substream);
 995	size_t ptr1, ptr;
 996	int civ, timeout = 10;
 997	unsigned int position;
 998
 999	spin_lock(&chip->reg_lock);
1000	do {
1001		civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
1002		ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
1003		position = ichdev->position;
1004		if (ptr1 == 0) {
1005			udelay(10);
1006			continue;
1007		}
1008		if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV))
1009			continue;
1010
1011		/* IO read operation is very expensive inside virtual machine
1012		 * as it is emulated. The probability that subsequent PICB read
1013		 * will return different result is high enough to loop till
1014		 * timeout here.
1015		 * Same CIV is strict enough condition to be sure that PICB
1016		 * is valid inside VM on emulated card. */
1017		if (chip->inside_vm)
1018			break;
1019		if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
1020			break;
1021	} while (timeout--);
1022	ptr = ichdev->last_pos;
1023	if (ptr1 != 0) {
1024		ptr1 <<= ichdev->pos_shift;
1025		ptr = ichdev->fragsize1 - ptr1;
1026		ptr += position;
1027		if (ptr < ichdev->last_pos) {
1028			unsigned int pos_base, last_base;
1029			pos_base = position / ichdev->fragsize1;
1030			last_base = ichdev->last_pos / ichdev->fragsize1;
1031			/* another sanity check; ptr1 can go back to full
1032			 * before the base position is updated
1033			 */
1034			if (pos_base == last_base)
1035				ptr = ichdev->last_pos;
1036		}
1037	}
1038	ichdev->last_pos = ptr;
1039	spin_unlock(&chip->reg_lock);
1040	if (ptr >= ichdev->size)
1041		return 0;
1042	return bytes_to_frames(substream->runtime, ptr);
1043}
1044
1045static const struct snd_pcm_hardware snd_intel8x0_stream =
1046{
1047	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1048				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1049				 SNDRV_PCM_INFO_MMAP_VALID |
1050				 SNDRV_PCM_INFO_PAUSE |
1051				 SNDRV_PCM_INFO_RESUME),
1052	.formats =		SNDRV_PCM_FMTBIT_S16_LE,
1053	.rates =		SNDRV_PCM_RATE_48000,
1054	.rate_min =		48000,
1055	.rate_max =		48000,
1056	.channels_min =		2,
1057	.channels_max =		2,
1058	.buffer_bytes_max =	128 * 1024,
1059	.period_bytes_min =	32,
1060	.period_bytes_max =	128 * 1024,
1061	.periods_min =		1,
1062	.periods_max =		1024,
1063	.fifo_size =		0,
1064};
1065
1066static const unsigned int channels4[] = {
1067	2, 4,
1068};
1069
1070static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
1071	.count = ARRAY_SIZE(channels4),
1072	.list = channels4,
1073	.mask = 0,
1074};
1075
1076static const unsigned int channels6[] = {
1077	2, 4, 6,
1078};
1079
1080static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
1081	.count = ARRAY_SIZE(channels6),
1082	.list = channels6,
1083	.mask = 0,
1084};
1085
1086static const unsigned int channels8[] = {
1087	2, 4, 6, 8,
1088};
1089
1090static const struct snd_pcm_hw_constraint_list hw_constraints_channels8 = {
1091	.count = ARRAY_SIZE(channels8),
1092	.list = channels8,
1093	.mask = 0,
1094};
1095
1096static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev)
1097{
1098	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1099	struct snd_pcm_runtime *runtime = substream->runtime;
1100	int err;
1101
1102	ichdev->substream = substream;
1103	runtime->hw = snd_intel8x0_stream;
1104	runtime->hw.rates = ichdev->pcm->rates;
1105	snd_pcm_limit_hw_rates(runtime);
1106	if (chip->device_type == DEVICE_SIS) {
1107		runtime->hw.buffer_bytes_max = 64*1024;
1108		runtime->hw.period_bytes_max = 64*1024;
1109	}
1110	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1111	if (err < 0)
1112		return err;
1113	runtime->private_data = ichdev;
1114	return 0;
1115}
1116
1117static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream)
1118{
1119	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1120	struct snd_pcm_runtime *runtime = substream->runtime;
1121	int err;
1122
1123	err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]);
1124	if (err < 0)
1125		return err;
1126
1127	if (chip->multi8) {
1128		runtime->hw.channels_max = 8;
1129		snd_pcm_hw_constraint_list(runtime, 0,
1130						SNDRV_PCM_HW_PARAM_CHANNELS,
1131						&hw_constraints_channels8);
1132	} else if (chip->multi6) {
1133		runtime->hw.channels_max = 6;
1134		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1135					   &hw_constraints_channels6);
1136	} else if (chip->multi4) {
1137		runtime->hw.channels_max = 4;
1138		snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1139					   &hw_constraints_channels4);
1140	}
1141	if (chip->dra) {
1142		snd_ac97_pcm_double_rate_rules(runtime);
1143	}
1144	if (chip->smp20bit) {
1145		runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE;
1146		snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20);
1147	}
1148	return 0;
1149}
1150
1151static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream)
1152{
1153	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1154
1155	chip->ichd[ICHD_PCMOUT].substream = NULL;
1156	return 0;
1157}
1158
1159static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream)
1160{
1161	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1162
1163	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]);
1164}
1165
1166static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream)
1167{
1168	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1169
1170	chip->ichd[ICHD_PCMIN].substream = NULL;
1171	return 0;
1172}
1173
1174static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream)
1175{
1176	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1177
1178	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]);
1179}
1180
1181static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream)
1182{
1183	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1184
1185	chip->ichd[ICHD_MIC].substream = NULL;
1186	return 0;
1187}
1188
1189static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream)
1190{
1191	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1192
1193	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]);
1194}
1195
1196static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream)
1197{
1198	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1199
1200	chip->ichd[ICHD_MIC2].substream = NULL;
1201	return 0;
1202}
1203
1204static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream)
1205{
1206	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1207
1208	return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]);
1209}
1210
1211static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream)
1212{
1213	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1214
1215	chip->ichd[ICHD_PCM2IN].substream = NULL;
1216	return 0;
1217}
1218
1219static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream)
1220{
1221	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1222	int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1223
1224	return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]);
1225}
1226
1227static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream)
1228{
1229	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1230	int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR;
1231
1232	chip->ichd[idx].substream = NULL;
1233	return 0;
1234}
1235
1236static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream)
1237{
1238	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1239	unsigned int val;
1240
1241	spin_lock_irq(&chip->reg_lock);
1242	val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1243	val |= ICH_ALI_IF_AC97SP;
1244	iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1245	/* also needs to set ALI_SC_CODEC_SPDF correctly */
1246	spin_unlock_irq(&chip->reg_lock);
1247
1248	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]);
1249}
1250
1251static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream)
1252{
1253	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1254	unsigned int val;
1255
1256	chip->ichd[ALID_AC97SPDIFOUT].substream = NULL;
1257	spin_lock_irq(&chip->reg_lock);
1258	val = igetdword(chip, ICHREG(ALI_INTERFACECR));
1259	val &= ~ICH_ALI_IF_AC97SP;
1260	iputdword(chip, ICHREG(ALI_INTERFACECR), val);
1261	spin_unlock_irq(&chip->reg_lock);
1262
1263	return 0;
1264}
1265
1266#if 0 // NYI
1267static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream)
1268{
1269	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1270
1271	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]);
1272}
1273
1274static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream)
1275{
1276	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1277
1278	chip->ichd[ALID_SPDIFIN].substream = NULL;
1279	return 0;
1280}
1281
1282static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream)
1283{
1284	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1285
1286	return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]);
1287}
1288
1289static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream)
1290{
1291	struct intel8x0 *chip = snd_pcm_substream_chip(substream);
1292
1293	chip->ichd[ALID_SPDIFOUT].substream = NULL;
1294	return 0;
1295}
1296#endif
1297
1298static const struct snd_pcm_ops snd_intel8x0_playback_ops = {
1299	.open =		snd_intel8x0_playback_open,
1300	.close =	snd_intel8x0_playback_close,
 
1301	.hw_params =	snd_intel8x0_hw_params,
1302	.hw_free =	snd_intel8x0_hw_free,
1303	.prepare =	snd_intel8x0_pcm_prepare,
1304	.trigger =	snd_intel8x0_pcm_trigger,
1305	.pointer =	snd_intel8x0_pcm_pointer,
1306};
1307
1308static const struct snd_pcm_ops snd_intel8x0_capture_ops = {
1309	.open =		snd_intel8x0_capture_open,
1310	.close =	snd_intel8x0_capture_close,
 
1311	.hw_params =	snd_intel8x0_hw_params,
1312	.hw_free =	snd_intel8x0_hw_free,
1313	.prepare =	snd_intel8x0_pcm_prepare,
1314	.trigger =	snd_intel8x0_pcm_trigger,
1315	.pointer =	snd_intel8x0_pcm_pointer,
1316};
1317
1318static const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
1319	.open =		snd_intel8x0_mic_open,
1320	.close =	snd_intel8x0_mic_close,
 
1321	.hw_params =	snd_intel8x0_hw_params,
1322	.hw_free =	snd_intel8x0_hw_free,
1323	.prepare =	snd_intel8x0_pcm_prepare,
1324	.trigger =	snd_intel8x0_pcm_trigger,
1325	.pointer =	snd_intel8x0_pcm_pointer,
1326};
1327
1328static const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
1329	.open =		snd_intel8x0_mic2_open,
1330	.close =	snd_intel8x0_mic2_close,
 
1331	.hw_params =	snd_intel8x0_hw_params,
1332	.hw_free =	snd_intel8x0_hw_free,
1333	.prepare =	snd_intel8x0_pcm_prepare,
1334	.trigger =	snd_intel8x0_pcm_trigger,
1335	.pointer =	snd_intel8x0_pcm_pointer,
1336};
1337
1338static const struct snd_pcm_ops snd_intel8x0_capture2_ops = {
1339	.open =		snd_intel8x0_capture2_open,
1340	.close =	snd_intel8x0_capture2_close,
 
1341	.hw_params =	snd_intel8x0_hw_params,
1342	.hw_free =	snd_intel8x0_hw_free,
1343	.prepare =	snd_intel8x0_pcm_prepare,
1344	.trigger =	snd_intel8x0_pcm_trigger,
1345	.pointer =	snd_intel8x0_pcm_pointer,
1346};
1347
1348static const struct snd_pcm_ops snd_intel8x0_spdif_ops = {
1349	.open =		snd_intel8x0_spdif_open,
1350	.close =	snd_intel8x0_spdif_close,
 
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 const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
1359	.open =		snd_intel8x0_playback_open,
1360	.close =	snd_intel8x0_playback_close,
 
1361	.hw_params =	snd_intel8x0_hw_params,
1362	.hw_free =	snd_intel8x0_hw_free,
1363	.prepare =	snd_intel8x0_pcm_prepare,
1364	.trigger =	snd_intel8x0_ali_trigger,
1365	.pointer =	snd_intel8x0_pcm_pointer,
1366};
1367
1368static const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
1369	.open =		snd_intel8x0_capture_open,
1370	.close =	snd_intel8x0_capture_close,
 
1371	.hw_params =	snd_intel8x0_hw_params,
1372	.hw_free =	snd_intel8x0_hw_free,
1373	.prepare =	snd_intel8x0_pcm_prepare,
1374	.trigger =	snd_intel8x0_ali_trigger,
1375	.pointer =	snd_intel8x0_pcm_pointer,
1376};
1377
1378static const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
1379	.open =		snd_intel8x0_mic_open,
1380	.close =	snd_intel8x0_mic_close,
 
1381	.hw_params =	snd_intel8x0_hw_params,
1382	.hw_free =	snd_intel8x0_hw_free,
1383	.prepare =	snd_intel8x0_pcm_prepare,
1384	.trigger =	snd_intel8x0_ali_trigger,
1385	.pointer =	snd_intel8x0_pcm_pointer,
1386};
1387
1388static const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
1389	.open =		snd_intel8x0_ali_ac97spdifout_open,
1390	.close =	snd_intel8x0_ali_ac97spdifout_close,
 
1391	.hw_params =	snd_intel8x0_hw_params,
1392	.hw_free =	snd_intel8x0_hw_free,
1393	.prepare =	snd_intel8x0_pcm_prepare,
1394	.trigger =	snd_intel8x0_ali_trigger,
1395	.pointer =	snd_intel8x0_pcm_pointer,
1396};
1397
1398#if 0 // NYI
1399static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = {
1400	.open =		snd_intel8x0_ali_spdifin_open,
1401	.close =	snd_intel8x0_ali_spdifin_close,
 
1402	.hw_params =	snd_intel8x0_hw_params,
1403	.hw_free =	snd_intel8x0_hw_free,
1404	.prepare =	snd_intel8x0_pcm_prepare,
1405	.trigger =	snd_intel8x0_pcm_trigger,
1406	.pointer =	snd_intel8x0_pcm_pointer,
1407};
1408
1409static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = {
1410	.open =		snd_intel8x0_ali_spdifout_open,
1411	.close =	snd_intel8x0_ali_spdifout_close,
 
1412	.hw_params =	snd_intel8x0_hw_params,
1413	.hw_free =	snd_intel8x0_hw_free,
1414	.prepare =	snd_intel8x0_pcm_prepare,
1415	.trigger =	snd_intel8x0_pcm_trigger,
1416	.pointer =	snd_intel8x0_pcm_pointer,
1417};
1418#endif // NYI
1419
1420struct ich_pcm_table {
1421	char *suffix;
1422	const struct snd_pcm_ops *playback_ops;
1423	const struct snd_pcm_ops *capture_ops;
1424	size_t prealloc_size;
1425	size_t prealloc_max_size;
1426	int ac97_idx;
1427};
1428
1429#define intel8x0_dma_type(chip) \
1430	((chip)->fix_nocache ? SNDRV_DMA_TYPE_DEV_WC : SNDRV_DMA_TYPE_DEV)
1431
1432static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
1433			     const struct ich_pcm_table *rec)
1434{
1435	struct snd_pcm *pcm;
1436	int err;
1437	char name[32];
1438
1439	if (rec->suffix)
1440		sprintf(name, "Intel ICH - %s", rec->suffix);
1441	else
1442		strcpy(name, "Intel ICH");
1443	err = snd_pcm_new(chip->card, name, device,
1444			  rec->playback_ops ? 1 : 0,
1445			  rec->capture_ops ? 1 : 0, &pcm);
1446	if (err < 0)
1447		return err;
1448
1449	if (rec->playback_ops)
1450		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops);
1451	if (rec->capture_ops)
1452		snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops);
1453
1454	pcm->private_data = chip;
1455	pcm->info_flags = 0;
1456	if (rec->suffix)
1457		sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix);
1458	else
1459		strcpy(pcm->name, chip->card->shortname);
1460	chip->pcm[device] = pcm;
1461
1462	snd_pcm_set_managed_buffer_all(pcm, intel8x0_dma_type(chip),
1463				       &chip->pci->dev,
1464				       rec->prealloc_size, rec->prealloc_max_size);
1465
1466	if (rec->playback_ops &&
1467	    rec->playback_ops->open == snd_intel8x0_playback_open) {
1468		struct snd_pcm_chmap *chmap;
1469		int chs = 2;
1470		if (chip->multi8)
1471			chs = 8;
1472		else if (chip->multi6)
1473			chs = 6;
1474		else if (chip->multi4)
1475			chs = 4;
1476		err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1477					     snd_pcm_alt_chmaps, chs, 0,
1478					     &chmap);
1479		if (err < 0)
1480			return err;
1481		chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
1482		chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap;
1483	}
1484
1485	return 0;
1486}
1487
1488static const struct ich_pcm_table intel_pcms[] = {
1489	{
1490		.playback_ops = &snd_intel8x0_playback_ops,
1491		.capture_ops = &snd_intel8x0_capture_ops,
1492		.prealloc_size = 64 * 1024,
1493		.prealloc_max_size = 128 * 1024,
1494	},
1495	{
1496		.suffix = "MIC ADC",
1497		.capture_ops = &snd_intel8x0_capture_mic_ops,
1498		.prealloc_size = 0,
1499		.prealloc_max_size = 128 * 1024,
1500		.ac97_idx = ICHD_MIC,
1501	},
1502	{
1503		.suffix = "MIC2 ADC",
1504		.capture_ops = &snd_intel8x0_capture_mic2_ops,
1505		.prealloc_size = 0,
1506		.prealloc_max_size = 128 * 1024,
1507		.ac97_idx = ICHD_MIC2,
1508	},
1509	{
1510		.suffix = "ADC2",
1511		.capture_ops = &snd_intel8x0_capture2_ops,
1512		.prealloc_size = 0,
1513		.prealloc_max_size = 128 * 1024,
1514		.ac97_idx = ICHD_PCM2IN,
1515	},
1516	{
1517		.suffix = "IEC958",
1518		.playback_ops = &snd_intel8x0_spdif_ops,
1519		.prealloc_size = 64 * 1024,
1520		.prealloc_max_size = 128 * 1024,
1521		.ac97_idx = ICHD_SPBAR,
1522	},
1523};
1524
1525static const struct ich_pcm_table nforce_pcms[] = {
1526	{
1527		.playback_ops = &snd_intel8x0_playback_ops,
1528		.capture_ops = &snd_intel8x0_capture_ops,
1529		.prealloc_size = 64 * 1024,
1530		.prealloc_max_size = 128 * 1024,
1531	},
1532	{
1533		.suffix = "MIC ADC",
1534		.capture_ops = &snd_intel8x0_capture_mic_ops,
1535		.prealloc_size = 0,
1536		.prealloc_max_size = 128 * 1024,
1537		.ac97_idx = NVD_MIC,
1538	},
1539	{
1540		.suffix = "IEC958",
1541		.playback_ops = &snd_intel8x0_spdif_ops,
1542		.prealloc_size = 64 * 1024,
1543		.prealloc_max_size = 128 * 1024,
1544		.ac97_idx = NVD_SPBAR,
1545	},
1546};
1547
1548static const struct ich_pcm_table ali_pcms[] = {
1549	{
1550		.playback_ops = &snd_intel8x0_ali_playback_ops,
1551		.capture_ops = &snd_intel8x0_ali_capture_ops,
1552		.prealloc_size = 64 * 1024,
1553		.prealloc_max_size = 128 * 1024,
1554	},
1555	{
1556		.suffix = "MIC ADC",
1557		.capture_ops = &snd_intel8x0_ali_capture_mic_ops,
1558		.prealloc_size = 0,
1559		.prealloc_max_size = 128 * 1024,
1560		.ac97_idx = ALID_MIC,
1561	},
1562	{
1563		.suffix = "IEC958",
1564		.playback_ops = &snd_intel8x0_ali_ac97spdifout_ops,
1565		/* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */
1566		.prealloc_size = 64 * 1024,
1567		.prealloc_max_size = 128 * 1024,
1568		.ac97_idx = ALID_AC97SPDIFOUT,
1569	},
1570#if 0 // NYI
1571	{
1572		.suffix = "HW IEC958",
1573		.playback_ops = &snd_intel8x0_ali_spdifout_ops,
1574		.prealloc_size = 64 * 1024,
1575		.prealloc_max_size = 128 * 1024,
1576	},
1577#endif
1578};
1579
1580static int snd_intel8x0_pcm(struct intel8x0 *chip)
1581{
1582	int i, tblsize, device, err;
1583	const struct ich_pcm_table *tbl, *rec;
1584
1585	switch (chip->device_type) {
1586	case DEVICE_INTEL_ICH4:
1587		tbl = intel_pcms;
1588		tblsize = ARRAY_SIZE(intel_pcms);
1589		if (spdif_aclink)
1590			tblsize--;
1591		break;
1592	case DEVICE_NFORCE:
1593		tbl = nforce_pcms;
1594		tblsize = ARRAY_SIZE(nforce_pcms);
1595		if (spdif_aclink)
1596			tblsize--;
1597		break;
1598	case DEVICE_ALI:
1599		tbl = ali_pcms;
1600		tblsize = ARRAY_SIZE(ali_pcms);
1601		break;
1602	default:
1603		tbl = intel_pcms;
1604		tblsize = 2;
1605		break;
1606	}
1607
1608	device = 0;
1609	for (i = 0; i < tblsize; i++) {
1610		rec = tbl + i;
1611		if (i > 0 && rec->ac97_idx) {
1612			/* activate PCM only when associated AC'97 codec */
1613			if (! chip->ichd[rec->ac97_idx].pcm)
1614				continue;
1615		}
1616		err = snd_intel8x0_pcm1(chip, device, rec);
1617		if (err < 0)
1618			return err;
1619		device++;
1620	}
1621
1622	chip->pcm_devs = device;
1623	return 0;
1624}
1625	
1626
1627/*
1628 *  Mixer part
1629 */
1630
1631static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus)
1632{
1633	struct intel8x0 *chip = bus->private_data;
1634	chip->ac97_bus = NULL;
1635}
1636
1637static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97)
1638{
1639	struct intel8x0 *chip = ac97->private_data;
1640	chip->ac97[ac97->num] = NULL;
1641}
1642
1643static const struct ac97_pcm ac97_pcm_defs[] = {
1644	/* front PCM */
1645	{
1646		.exclusive = 1,
1647		.r = {	{
1648				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1649					 (1 << AC97_SLOT_PCM_RIGHT) |
1650					 (1 << AC97_SLOT_PCM_CENTER) |
1651					 (1 << AC97_SLOT_PCM_SLEFT) |
1652					 (1 << AC97_SLOT_PCM_SRIGHT) |
1653					 (1 << AC97_SLOT_LFE)
1654			},
1655			{
1656				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1657					 (1 << AC97_SLOT_PCM_RIGHT) |
1658					 (1 << AC97_SLOT_PCM_LEFT_0) |
1659					 (1 << AC97_SLOT_PCM_RIGHT_0)
1660			}
1661		}
1662	},
1663	/* PCM IN #1 */
1664	{
1665		.stream = 1,
1666		.exclusive = 1,
1667		.r = {	{
1668				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1669					 (1 << AC97_SLOT_PCM_RIGHT)
1670			}
1671		}
1672	},
1673	/* MIC IN #1 */
1674	{
1675		.stream = 1,
1676		.exclusive = 1,
1677		.r = {	{
1678				.slots = (1 << AC97_SLOT_MIC)
1679			}
1680		}
1681	},
1682	/* S/PDIF PCM */
1683	{
1684		.exclusive = 1,
1685		.spdif = 1,
1686		.r = {	{
1687				.slots = (1 << AC97_SLOT_SPDIF_LEFT2) |
1688					 (1 << AC97_SLOT_SPDIF_RIGHT2)
1689			}
1690		}
1691	},
1692	/* PCM IN #2 */
1693	{
1694		.stream = 1,
1695		.exclusive = 1,
1696		.r = {	{
1697				.slots = (1 << AC97_SLOT_PCM_LEFT) |
1698					 (1 << AC97_SLOT_PCM_RIGHT)
1699			}
1700		}
1701	},
1702	/* MIC IN #2 */
1703	{
1704		.stream = 1,
1705		.exclusive = 1,
1706		.r = {	{
1707				.slots = (1 << AC97_SLOT_MIC)
1708			}
1709		}
1710	},
1711};
1712
1713static const struct ac97_quirk ac97_quirks[] = {
1714        {
1715		.subvendor = 0x0e11,
1716		.subdevice = 0x000e,
1717		.name = "Compaq Deskpro EN",	/* AD1885 */
1718		.type = AC97_TUNE_HP_ONLY
1719        },
1720	{
1721		.subvendor = 0x0e11,
1722		.subdevice = 0x008a,
1723		.name = "Compaq Evo W4000",	/* AD1885 */
1724		.type = AC97_TUNE_HP_ONLY
1725	},
1726	{
1727		.subvendor = 0x0e11,
1728		.subdevice = 0x00b8,
1729		.name = "Compaq Evo D510C",
1730		.type = AC97_TUNE_HP_ONLY
1731	},
1732        {
1733		.subvendor = 0x0e11,
1734		.subdevice = 0x0860,
1735		.name = "HP/Compaq nx7010",
1736		.type = AC97_TUNE_MUTE_LED
1737        },
1738	{
1739		.subvendor = 0x1014,
1740		.subdevice = 0x0534,
1741		.name = "ThinkPad X31",
1742		.type = AC97_TUNE_INV_EAPD
1743	},
1744	{
1745		.subvendor = 0x1014,
1746		.subdevice = 0x1f00,
1747		.name = "MS-9128",
1748		.type = AC97_TUNE_ALC_JACK
1749	},
1750	{
1751		.subvendor = 0x1014,
1752		.subdevice = 0x0267,
1753		.name = "IBM NetVista A30p",	/* AD1981B */
1754		.type = AC97_TUNE_HP_ONLY
1755	},
1756	{
1757		.subvendor = 0x1025,
1758		.subdevice = 0x0082,
1759		.name = "Acer Travelmate 2310",
1760		.type = AC97_TUNE_HP_ONLY
1761	},
1762	{
1763		.subvendor = 0x1025,
1764		.subdevice = 0x0083,
1765		.name = "Acer Aspire 3003LCi",
1766		.type = AC97_TUNE_HP_ONLY
1767	},
1768	{
1769		.subvendor = 0x1028,
1770		.subdevice = 0x00d8,
1771		.name = "Dell Precision 530",	/* AD1885 */
1772		.type = AC97_TUNE_HP_ONLY
1773	},
1774	{
1775		.subvendor = 0x1028,
1776		.subdevice = 0x010d,
1777		.name = "Dell",	/* which model?  AD1885 */
1778		.type = AC97_TUNE_HP_ONLY
1779	},
1780	{
1781		.subvendor = 0x1028,
1782		.subdevice = 0x0126,
1783		.name = "Dell Optiplex GX260",	/* AD1981A */
1784		.type = AC97_TUNE_HP_ONLY
1785	},
1786	{
1787		.subvendor = 0x1028,
1788		.subdevice = 0x012c,
1789		.name = "Dell Precision 650",	/* AD1981A */
1790		.type = AC97_TUNE_HP_ONLY
1791	},
1792	{
1793		.subvendor = 0x1028,
1794		.subdevice = 0x012d,
1795		.name = "Dell Precision 450",	/* AD1981B*/
1796		.type = AC97_TUNE_HP_ONLY
1797	},
1798	{
1799		.subvendor = 0x1028,
1800		.subdevice = 0x0147,
1801		.name = "Dell",	/* which model?  AD1981B*/
1802		.type = AC97_TUNE_HP_ONLY
1803	},
1804	{
1805		.subvendor = 0x1028,
1806		.subdevice = 0x0151,
1807		.name = "Dell Optiplex GX270",  /* AD1981B */
1808		.type = AC97_TUNE_HP_ONLY
1809	},
1810	{
1811		.subvendor = 0x1028,
1812		.subdevice = 0x014e,
1813		.name = "Dell D800", /* STAC9750/51 */
1814		.type = AC97_TUNE_HP_ONLY
1815	},
1816	{
1817		.subvendor = 0x1028,
1818		.subdevice = 0x0163,
1819		.name = "Dell Unknown",	/* STAC9750/51 */
1820		.type = AC97_TUNE_HP_ONLY
1821	},
1822	{
1823		.subvendor = 0x1028,
1824		.subdevice = 0x016a,
1825		.name = "Dell Inspiron 8600",	/* STAC9750/51 */
1826		.type = AC97_TUNE_HP_ONLY
1827	},
1828	{
1829		.subvendor = 0x1028,
1830		.subdevice = 0x0182,
1831		.name = "Dell Latitude D610",	/* STAC9750/51 */
1832		.type = AC97_TUNE_HP_ONLY
1833	},
1834	{
1835		.subvendor = 0x1028,
1836		.subdevice = 0x0186,
1837		.name = "Dell Latitude D810", /* cf. Malone #41015 */
1838		.type = AC97_TUNE_HP_MUTE_LED
1839	},
1840	{
1841		.subvendor = 0x1028,
1842		.subdevice = 0x0188,
1843		.name = "Dell Inspiron 6000",
1844		.type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */
1845	},
1846	{
1847		.subvendor = 0x1028,
1848		.subdevice = 0x0189,
1849		.name = "Dell Inspiron 9300",
1850		.type = AC97_TUNE_HP_MUTE_LED
1851	},
1852	{
1853		.subvendor = 0x1028,
1854		.subdevice = 0x0191,
1855		.name = "Dell Inspiron 8600",
1856		.type = AC97_TUNE_HP_ONLY
1857	},
1858	{
1859		.subvendor = 0x103c,
1860		.subdevice = 0x006d,
1861		.name = "HP zv5000",
1862		.type = AC97_TUNE_MUTE_LED	/*AD1981B*/
1863	},
1864	{	/* FIXME: which codec? */
1865		.subvendor = 0x103c,
1866		.subdevice = 0x00c3,
1867		.name = "HP xw6000",
1868		.type = AC97_TUNE_HP_ONLY
1869	},
1870	{
1871		.subvendor = 0x103c,
1872		.subdevice = 0x088c,
1873		.name = "HP nc8000",
1874		.type = AC97_TUNE_HP_MUTE_LED
1875	},
1876	{
1877		.subvendor = 0x103c,
1878		.subdevice = 0x0890,
1879		.name = "HP nc6000",
1880		.type = AC97_TUNE_MUTE_LED
1881	},
1882	{
1883		.subvendor = 0x103c,
1884		.subdevice = 0x129d,
1885		.name = "HP xw8000",
1886		.type = AC97_TUNE_HP_ONLY
1887	},
1888	{
1889		.subvendor = 0x103c,
1890		.subdevice = 0x0938,
1891		.name = "HP nc4200",
1892		.type = AC97_TUNE_HP_MUTE_LED
1893	},
1894	{
1895		.subvendor = 0x103c,
1896		.subdevice = 0x099c,
1897		.name = "HP nx6110/nc6120",
1898		.type = AC97_TUNE_HP_MUTE_LED
1899	},
1900	{
1901		.subvendor = 0x103c,
1902		.subdevice = 0x0944,
1903		.name = "HP nc6220",
1904		.type = AC97_TUNE_HP_MUTE_LED
1905	},
1906	{
1907		.subvendor = 0x103c,
1908		.subdevice = 0x0934,
1909		.name = "HP nc8220",
1910		.type = AC97_TUNE_HP_MUTE_LED
1911	},
1912	{
1913		.subvendor = 0x103c,
1914		.subdevice = 0x12f1,
1915		.name = "HP xw8200",	/* AD1981B*/
1916		.type = AC97_TUNE_HP_ONLY
1917	},
1918	{
1919		.subvendor = 0x103c,
1920		.subdevice = 0x12f2,
1921		.name = "HP xw6200",
1922		.type = AC97_TUNE_HP_ONLY
1923	},
1924	{
1925		.subvendor = 0x103c,
1926		.subdevice = 0x3008,
1927		.name = "HP xw4200",	/* AD1981B*/
1928		.type = AC97_TUNE_HP_ONLY
1929	},
1930	{
1931		.subvendor = 0x104d,
1932		.subdevice = 0x8144,
1933		.name = "Sony",
1934		.type = AC97_TUNE_INV_EAPD
1935	},
1936	{
1937		.subvendor = 0x104d,
1938		.subdevice = 0x8197,
1939		.name = "Sony S1XP",
1940		.type = AC97_TUNE_INV_EAPD
1941	},
1942	{
1943		.subvendor = 0x104d,
1944		.subdevice = 0x81c0,
1945		.name = "Sony VAIO VGN-T350P", /*AD1981B*/
1946		.type = AC97_TUNE_INV_EAPD
1947	},
1948	{
1949		.subvendor = 0x104d,
1950		.subdevice = 0x81c5,
1951		.name = "Sony VAIO VGN-B1VP", /*AD1981B*/
1952		.type = AC97_TUNE_INV_EAPD
1953	},
1954 	{
1955		.subvendor = 0x1043,
1956		.subdevice = 0x80f3,
1957		.name = "ASUS ICH5/AD1985",
1958		.type = AC97_TUNE_AD_SHARING
1959	},
1960	{
1961		.subvendor = 0x10cf,
1962		.subdevice = 0x11c3,
1963		.name = "Fujitsu-Siemens E4010",
1964		.type = AC97_TUNE_HP_ONLY
1965	},
1966	{
1967		.subvendor = 0x10cf,
1968		.subdevice = 0x1225,
1969		.name = "Fujitsu-Siemens T3010",
1970		.type = AC97_TUNE_HP_ONLY
1971	},
1972	{
1973		.subvendor = 0x10cf,
1974		.subdevice = 0x1253,
1975		.name = "Fujitsu S6210",	/* STAC9750/51 */
1976		.type = AC97_TUNE_HP_ONLY
1977	},
1978	{
1979		.subvendor = 0x10cf,
1980		.subdevice = 0x127d,
1981		.name = "Fujitsu Lifebook P7010",
1982		.type = AC97_TUNE_HP_ONLY
1983	},
1984	{
1985		.subvendor = 0x10cf,
1986		.subdevice = 0x127e,
1987		.name = "Fujitsu Lifebook C1211D",
1988		.type = AC97_TUNE_HP_ONLY
1989	},
1990	{
1991		.subvendor = 0x10cf,
1992		.subdevice = 0x12ec,
1993		.name = "Fujitsu-Siemens 4010",
1994		.type = AC97_TUNE_HP_ONLY
1995	},
1996	{
1997		.subvendor = 0x10cf,
1998		.subdevice = 0x12f2,
1999		.name = "Fujitsu-Siemens Celsius H320",
2000		.type = AC97_TUNE_SWAP_HP
2001	},
2002	{
2003		.subvendor = 0x10f1,
2004		.subdevice = 0x2665,
2005		.name = "Fujitsu-Siemens Celsius",	/* AD1981? */
2006		.type = AC97_TUNE_HP_ONLY
2007	},
2008	{
2009		.subvendor = 0x10f1,
2010		.subdevice = 0x2885,
2011		.name = "AMD64 Mobo",	/* ALC650 */
2012		.type = AC97_TUNE_HP_ONLY
2013	},
2014	{
2015		.subvendor = 0x10f1,
2016		.subdevice = 0x2895,
2017		.name = "Tyan Thunder K8WE",
2018		.type = AC97_TUNE_HP_ONLY
2019	},
2020	{
2021		.subvendor = 0x10f7,
2022		.subdevice = 0x834c,
2023		.name = "Panasonic CF-R4",
2024		.type = AC97_TUNE_HP_ONLY,
2025	},
2026	{
2027		.subvendor = 0x110a,
2028		.subdevice = 0x0056,
2029		.name = "Fujitsu-Siemens Scenic",	/* AD1981? */
2030		.type = AC97_TUNE_HP_ONLY
2031	},
2032	{
2033		.subvendor = 0x11d4,
2034		.subdevice = 0x5375,
2035		.name = "ADI AD1985 (discrete)",
2036		.type = AC97_TUNE_HP_ONLY
2037	},
2038	{
2039		.subvendor = 0x1462,
2040		.subdevice = 0x5470,
2041		.name = "MSI P4 ATX 645 Ultra",
2042		.type = AC97_TUNE_HP_ONLY
2043	},
2044	{
2045		.subvendor = 0x161f,
2046		.subdevice = 0x202f,
2047		.name = "Gateway M520",
2048		.type = AC97_TUNE_INV_EAPD
2049	},
2050	{
2051		.subvendor = 0x161f,
2052		.subdevice = 0x203a,
2053		.name = "Gateway 4525GZ",		/* AD1981B */
2054		.type = AC97_TUNE_INV_EAPD
2055	},
2056	{
2057		.subvendor = 0x1734,
2058		.subdevice = 0x0088,
2059		.name = "Fujitsu-Siemens D1522",	/* AD1981 */
2060		.type = AC97_TUNE_HP_ONLY
2061	},
2062	{
2063		.subvendor = 0x8086,
2064		.subdevice = 0x2000,
2065		.mask = 0xfff0,
2066		.name = "Intel ICH5/AD1985",
2067		.type = AC97_TUNE_AD_SHARING
2068	},
2069	{
2070		.subvendor = 0x8086,
2071		.subdevice = 0x4000,
2072		.mask = 0xfff0,
2073		.name = "Intel ICH5/AD1985",
2074		.type = AC97_TUNE_AD_SHARING
2075	},
2076	{
2077		.subvendor = 0x8086,
2078		.subdevice = 0x4856,
2079		.name = "Intel D845WN (82801BA)",
2080		.type = AC97_TUNE_SWAP_HP
2081	},
2082	{
2083		.subvendor = 0x8086,
2084		.subdevice = 0x4d44,
2085		.name = "Intel D850EMV2",	/* AD1885 */
2086		.type = AC97_TUNE_HP_ONLY
2087	},
2088	{
2089		.subvendor = 0x8086,
2090		.subdevice = 0x4d56,
2091		.name = "Intel ICH/AD1885",
2092		.type = AC97_TUNE_HP_ONLY
2093	},
2094	{
2095		.subvendor = 0x8086,
2096		.subdevice = 0x6000,
2097		.mask = 0xfff0,
2098		.name = "Intel ICH5/AD1985",
2099		.type = AC97_TUNE_AD_SHARING
2100	},
2101	{
2102		.subvendor = 0x8086,
2103		.subdevice = 0xe000,
2104		.mask = 0xfff0,
2105		.name = "Intel ICH5/AD1985",
2106		.type = AC97_TUNE_AD_SHARING
2107	},
2108#if 0 /* FIXME: this seems wrong on most boards */
2109	{
2110		.subvendor = 0x8086,
2111		.subdevice = 0xa000,
2112		.mask = 0xfff0,
2113		.name = "Intel ICH5/AD1985",
2114		.type = AC97_TUNE_HP_ONLY
2115	},
2116#endif
2117	{ } /* terminator */
2118};
2119
2120static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock,
2121			      const char *quirk_override)
2122{
2123	struct snd_ac97_bus *pbus;
2124	struct snd_ac97_template ac97;
2125	int err;
2126	unsigned int i, codecs;
2127	unsigned int glob_sta = 0;
2128	const struct snd_ac97_bus_ops *ops;
2129	static const struct snd_ac97_bus_ops standard_bus_ops = {
2130		.write = snd_intel8x0_codec_write,
2131		.read = snd_intel8x0_codec_read,
2132	};
2133	static const struct snd_ac97_bus_ops ali_bus_ops = {
2134		.write = snd_intel8x0_ali_codec_write,
2135		.read = snd_intel8x0_ali_codec_read,
2136	};
2137
2138	chip->spdif_idx = -1; /* use PCMOUT (or disabled) */
2139	if (!spdif_aclink) {
2140		switch (chip->device_type) {
2141		case DEVICE_NFORCE:
2142			chip->spdif_idx = NVD_SPBAR;
2143			break;
2144		case DEVICE_ALI:
2145			chip->spdif_idx = ALID_AC97SPDIFOUT;
2146			break;
2147		case DEVICE_INTEL_ICH4:
2148			chip->spdif_idx = ICHD_SPBAR;
2149			break;
2150		}
2151	}
2152
2153	chip->in_ac97_init = 1;
2154	
2155	memset(&ac97, 0, sizeof(ac97));
2156	ac97.private_data = chip;
2157	ac97.private_free = snd_intel8x0_mixer_free_ac97;
2158	ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
2159	if (chip->xbox)
2160		ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR;
2161	if (chip->device_type != DEVICE_ALI) {
2162		glob_sta = igetdword(chip, ICHREG(GLOB_STA));
2163		ops = &standard_bus_ops;
2164		chip->in_sdin_init = 1;
2165		codecs = 0;
2166		for (i = 0; i < chip->max_codecs; i++) {
2167			if (! (glob_sta & chip->codec_bit[i]))
2168				continue;
2169			if (chip->device_type == DEVICE_INTEL_ICH4) {
2170				snd_intel8x0_codec_read_test(chip, codecs);
2171				chip->ac97_sdin[codecs] =
2172					igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK;
2173				if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3))
2174					chip->ac97_sdin[codecs] = 0;
2175			} else
2176				chip->ac97_sdin[codecs] = i;
2177			codecs++;
2178		}
2179		chip->in_sdin_init = 0;
2180		if (! codecs)
2181			codecs = 1;
2182	} else {
2183		ops = &ali_bus_ops;
2184		codecs = 1;
2185		/* detect the secondary codec */
2186		for (i = 0; i < 100; i++) {
2187			unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR));
2188			if (reg & 0x40) {
2189				codecs = 2;
2190				break;
2191			}
2192			iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40);
2193			udelay(1);
2194		}
2195	}
2196	err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus);
2197	if (err < 0)
2198		goto __err;
2199	pbus->private_free = snd_intel8x0_mixer_free_ac97_bus;
2200	if (ac97_clock >= 8000 && ac97_clock <= 48000)
2201		pbus->clock = ac97_clock;
2202	/* FIXME: my test board doesn't work well with VRA... */
2203	if (chip->device_type == DEVICE_ALI)
2204		pbus->no_vra = 1;
2205	else
2206		pbus->dra = 1;
2207	chip->ac97_bus = pbus;
2208	chip->ncodecs = codecs;
2209
2210	ac97.pci = chip->pci;
2211	for (i = 0; i < codecs; i++) {
2212		ac97.num = i;
2213		err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i]);
2214		if (err < 0) {
2215			if (err != -EACCES)
2216				dev_err(chip->card->dev,
2217					"Unable to initialize codec #%d\n", i);
2218			if (i == 0)
2219				goto __err;
2220		}
2221	}
2222	/* tune up the primary codec */
2223	snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override);
2224	/* enable separate SDINs for ICH4 */
2225	if (chip->device_type == DEVICE_INTEL_ICH4)
2226		pbus->isdin = 1;
2227	/* find the available PCM streams */
2228	i = ARRAY_SIZE(ac97_pcm_defs);
2229	if (chip->device_type != DEVICE_INTEL_ICH4)
2230		i -= 2;		/* do not allocate PCM2IN and MIC2 */
2231	if (chip->spdif_idx < 0)
2232		i--;		/* do not allocate S/PDIF */
2233	err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs);
2234	if (err < 0)
2235		goto __err;
2236	chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0];
2237	chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1];
2238	chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2];
2239	if (chip->spdif_idx >= 0)
2240		chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3];
2241	if (chip->device_type == DEVICE_INTEL_ICH4) {
2242		chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4];
2243		chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5];
2244	}
2245	/* enable separate SDINs for ICH4 */
2246	if (chip->device_type == DEVICE_INTEL_ICH4) {
2247		struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm;
2248		u8 tmp = igetbyte(chip, ICHREG(SDM));
2249		tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK);
2250		if (pcm) {
2251			tmp |= ICH_SE;	/* steer enable for multiple SDINs */
2252			tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT;
2253			for (i = 1; i < 4; i++) {
2254				if (pcm->r[0].codec[i]) {
2255					tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT;
2256					break;
2257				}
2258			}
2259		} else {
2260			tmp &= ~ICH_SE; /* steer disable */
2261		}
2262		iputbyte(chip, ICHREG(SDM), tmp);
2263	}
2264	if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) {
2265		chip->multi4 = 1;
2266		if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) {
2267			chip->multi6 = 1;
2268			if (chip->ac97[0]->flags & AC97_HAS_8CH)
2269				chip->multi8 = 1;
2270		}
2271	}
2272	if (pbus->pcms[0].r[1].rslots[0]) {
2273		chip->dra = 1;
2274	}
2275	if (chip->device_type == DEVICE_INTEL_ICH4) {
2276		if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20)
2277			chip->smp20bit = 1;
2278	}
2279	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2280		/* 48kHz only */
2281		chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000;
2282	}
2283	if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2284		/* use slot 10/11 for SPDIF */
2285		u32 val;
2286		val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK;
2287		val |= ICH_PCM_SPDIF_1011;
2288		iputdword(chip, ICHREG(GLOB_CNT), val);
2289		snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4);
2290	}
2291	chip->in_ac97_init = 0;
2292	return 0;
2293
2294 __err:
2295	/* clear the cold-reset bit for the next chance */
2296	if (chip->device_type != DEVICE_ALI)
2297		iputdword(chip, ICHREG(GLOB_CNT),
2298			  igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD);
2299	return err;
2300}
2301
2302
2303/*
2304 *
2305 */
2306
2307static void do_ali_reset(struct intel8x0 *chip)
2308{
2309	iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET);
2310	iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383);
2311	iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383);
2312	iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383);
2313	iputdword(chip, ICHREG(ALI_INTERFACECR),
2314		  ICH_ALI_IF_PI|ICH_ALI_IF_PO);
2315	iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000);
2316	iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000);
2317}
2318
2319#ifdef CONFIG_SND_AC97_POWER_SAVE
2320static const struct snd_pci_quirk ich_chip_reset_mode[] = {
2321	SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1),
2322	{ } /* end */
2323};
2324
2325static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip)
2326{
2327	unsigned int cnt;
2328	/* ACLink on, 2 channels */
2329
2330	if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2331		return -EIO;
2332
2333	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2334	cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2335
2336	/* do cold reset - the full ac97 powerdown may leave the controller
2337	 * in a warm state but actually it cannot communicate with the codec.
2338	 */
2339	iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD);
2340	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2341	udelay(10);
2342	iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD);
2343	msleep(1);
2344	return 0;
2345}
2346#define snd_intel8x0_ich_chip_can_cold_reset(chip) \
2347	(!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode))
2348#else
2349#define snd_intel8x0_ich_chip_cold_reset(chip)	0
2350#define snd_intel8x0_ich_chip_can_cold_reset(chip) (0)
2351#endif
2352
2353static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip)
2354{
2355	unsigned long end_time;
2356	unsigned int cnt;
2357	/* ACLink on, 2 channels */
2358	cnt = igetdword(chip, ICHREG(GLOB_CNT));
2359	cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK);
2360	/* finish cold or do warm reset */
2361	cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM;
2362	iputdword(chip, ICHREG(GLOB_CNT), cnt);
2363	end_time = (jiffies + (HZ / 4)) + 1;
2364	do {
2365		if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0)
2366			return 0;
2367		schedule_timeout_uninterruptible(1);
2368	} while (time_after_eq(end_time, jiffies));
2369	dev_err(chip->card->dev, "AC'97 warm reset still in progress? [0x%x]\n",
2370		   igetdword(chip, ICHREG(GLOB_CNT)));
2371	return -EIO;
2372}
2373
2374static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing)
2375{
2376	unsigned long end_time;
2377	unsigned int status, nstatus;
2378	unsigned int cnt;
2379	int err;
2380
2381	/* put logic to right state */
2382	/* first clear status bits */
2383	status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT;
2384	if (chip->device_type == DEVICE_NFORCE)
2385		status |= ICH_NVSPINT;
2386	cnt = igetdword(chip, ICHREG(GLOB_STA));
2387	iputdword(chip, ICHREG(GLOB_STA), cnt & status);
2388
2389	if (snd_intel8x0_ich_chip_can_cold_reset(chip))
2390		err = snd_intel8x0_ich_chip_cold_reset(chip);
2391	else
2392		err = snd_intel8x0_ich_chip_reset(chip);
2393	if (err < 0)
2394		return err;
2395
2396	if (probing) {
2397		/* wait for any codec ready status.
2398		 * Once it becomes ready it should remain ready
2399		 * as long as we do not disable the ac97 link.
2400		 */
2401		end_time = jiffies + HZ;
2402		do {
2403			status = igetdword(chip, ICHREG(GLOB_STA)) &
2404				chip->codec_isr_bits;
2405			if (status)
2406				break;
2407			schedule_timeout_uninterruptible(1);
2408		} while (time_after_eq(end_time, jiffies));
2409		if (! status) {
2410			/* no codec is found */
2411			dev_err(chip->card->dev,
2412				"codec_ready: codec is not ready [0x%x]\n",
2413				   igetdword(chip, ICHREG(GLOB_STA)));
2414			return -EIO;
2415		}
2416
2417		/* wait for other codecs ready status. */
2418		end_time = jiffies + HZ / 4;
2419		while (status != chip->codec_isr_bits &&
2420		       time_after_eq(end_time, jiffies)) {
2421			schedule_timeout_uninterruptible(1);
2422			status |= igetdword(chip, ICHREG(GLOB_STA)) &
2423				chip->codec_isr_bits;
2424		}
2425
2426	} else {
2427		/* resume phase */
2428		int i;
2429		status = 0;
2430		for (i = 0; i < chip->ncodecs; i++)
2431			if (chip->ac97[i])
2432				status |= chip->codec_bit[chip->ac97_sdin[i]];
2433		/* wait until all the probed codecs are ready */
2434		end_time = jiffies + HZ;
2435		do {
2436			nstatus = igetdword(chip, ICHREG(GLOB_STA)) &
2437				chip->codec_isr_bits;
2438			if (status == nstatus)
2439				break;
2440			schedule_timeout_uninterruptible(1);
2441		} while (time_after_eq(end_time, jiffies));
2442	}
2443
2444	if (chip->device_type == DEVICE_SIS) {
2445		/* unmute the output on SIS7012 */
2446		iputword(chip, 0x4c, igetword(chip, 0x4c) | 1);
2447	}
2448	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2449		/* enable SPDIF interrupt */
2450		unsigned int val;
2451		pci_read_config_dword(chip->pci, 0x4c, &val);
2452		val |= 0x1000000;
2453		pci_write_config_dword(chip->pci, 0x4c, val);
2454	}
2455      	return 0;
2456}
2457
2458static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing)
2459{
2460	u32 reg;
2461	int i = 0;
2462
2463	reg = igetdword(chip, ICHREG(ALI_SCR));
2464	if ((reg & 2) == 0)	/* Cold required */
2465		reg |= 2;
2466	else
2467		reg |= 1;	/* Warm */
2468	reg &= ~0x80000000;	/* ACLink on */
2469	iputdword(chip, ICHREG(ALI_SCR), reg);
2470
2471	for (i = 0; i < HZ / 2; i++) {
2472		if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO))
2473			goto __ok;
2474		schedule_timeout_uninterruptible(1);
2475	}
2476	dev_err(chip->card->dev, "AC'97 reset failed.\n");
2477	if (probing)
2478		return -EIO;
2479
2480 __ok:
2481	for (i = 0; i < HZ / 2; i++) {
2482		reg = igetdword(chip, ICHREG(ALI_RTSR));
2483		if (reg & 0x80) /* primary codec */
2484			break;
2485		iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80);
2486		schedule_timeout_uninterruptible(1);
2487	}
2488
2489	do_ali_reset(chip);
2490	return 0;
2491}
2492
2493static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing)
2494{
2495	unsigned int i, timeout;
2496	int err;
2497	
2498	if (chip->device_type != DEVICE_ALI) {
2499		err = snd_intel8x0_ich_chip_init(chip, probing);
2500		if (err < 0)
2501			return err;
2502		iagetword(chip, 0);	/* clear semaphore flag */
2503	} else {
2504		err = snd_intel8x0_ali_chip_init(chip, probing);
2505		if (err < 0)
2506			return err;
2507	}
2508
2509	/* disable interrupts */
2510	for (i = 0; i < chip->bdbars_count; i++)
2511		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2512	/* reset channels */
2513	for (i = 0; i < chip->bdbars_count; i++)
2514		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2515	for (i = 0; i < chip->bdbars_count; i++) {
2516	        timeout = 100000;
2517	        while (--timeout != 0) {
2518        		if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0)
2519        		        break;
2520                }
2521                if (timeout == 0)
2522			dev_err(chip->card->dev, "reset of registers failed?\n");
2523        }
2524	/* initialize Buffer Descriptor Lists */
2525	for (i = 0; i < chip->bdbars_count; i++)
2526		iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset,
2527			  chip->ichd[i].bdbar_addr);
2528	return 0;
2529}
2530
2531static void snd_intel8x0_free(struct snd_card *card)
2532{
2533	struct intel8x0 *chip = card->private_data;
2534	unsigned int i;
2535
2536	if (chip->irq < 0)
2537		goto __hw_end;
2538	/* disable interrupts */
2539	for (i = 0; i < chip->bdbars_count; i++)
2540		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00);
2541	/* reset channels */
2542	for (i = 0; i < chip->bdbars_count; i++)
2543		iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS);
2544	if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) {
2545		/* stop the spdif interrupt */
2546		unsigned int val;
2547		pci_read_config_dword(chip->pci, 0x4c, &val);
2548		val &= ~0x1000000;
2549		pci_write_config_dword(chip->pci, 0x4c, val);
2550	}
2551	/* --- */
2552
2553      __hw_end:
2554	if (chip->irq >= 0)
2555		free_irq(chip->irq, chip);
 
 
 
 
 
 
 
 
 
 
 
 
 
2556}
2557
 
2558/*
2559 * power management
2560 */
2561static int intel8x0_suspend(struct device *dev)
2562{
2563	struct snd_card *card = dev_get_drvdata(dev);
2564	struct intel8x0 *chip = card->private_data;
2565	int i;
2566
2567	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 
 
 
 
 
 
 
 
 
 
 
 
 
2568	for (i = 0; i < chip->ncodecs; i++)
2569		snd_ac97_suspend(chip->ac97[i]);
2570	if (chip->device_type == DEVICE_INTEL_ICH4)
2571		chip->sdm_saved = igetbyte(chip, ICHREG(SDM));
2572
2573	if (chip->irq >= 0) {
2574		free_irq(chip->irq, chip);
2575		chip->irq = -1;
2576		card->sync_irq = -1;
2577	}
2578	return 0;
2579}
2580
2581static int intel8x0_resume(struct device *dev)
2582{
2583	struct pci_dev *pci = to_pci_dev(dev);
2584	struct snd_card *card = dev_get_drvdata(dev);
2585	struct intel8x0 *chip = card->private_data;
2586	int i;
2587
2588	snd_intel8x0_chip_init(chip, 0);
2589	if (request_irq(pci->irq, snd_intel8x0_interrupt,
2590			IRQF_SHARED, KBUILD_MODNAME, chip)) {
2591		dev_err(dev, "unable to grab IRQ %d, disabling device\n",
2592			pci->irq);
2593		snd_card_disconnect(card);
2594		return -EIO;
2595	}
2596	chip->irq = pci->irq;
2597	card->sync_irq = chip->irq;
2598
2599	/* re-initialize mixer stuff */
2600	if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) {
2601		/* enable separate SDINs for ICH4 */
2602		iputbyte(chip, ICHREG(SDM), chip->sdm_saved);
2603		/* use slot 10/11 for SPDIF */
2604		iputdword(chip, ICHREG(GLOB_CNT),
2605			  (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) |
2606			  ICH_PCM_SPDIF_1011);
2607	}
2608
 
 
 
 
2609	for (i = 0; i < chip->ncodecs; i++)
2610		snd_ac97_resume(chip->ac97[i]);
2611
 
 
 
 
 
 
 
 
 
 
 
 
2612	/* resume status */
2613	for (i = 0; i < chip->bdbars_count; i++) {
2614		struct ichdev *ichdev = &chip->ichd[i];
2615		unsigned long port = ichdev->reg_offset;
2616		if (! ichdev->substream || ! ichdev->suspended)
2617			continue;
2618		if (ichdev->ichd == ICHD_PCMOUT)
2619			snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime);
2620		iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr);
2621		iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi);
2622		iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ);
2623		iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI);
2624	}
2625
2626	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2627	return 0;
2628}
2629
2630static DEFINE_SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume);
 
 
 
 
2631
2632#define INTEL8X0_TESTBUF_SIZE	32768	/* enough large for one shot */
2633
2634static void intel8x0_measure_ac97_clock(struct intel8x0 *chip)
2635{
2636	struct snd_pcm_substream *subs;
2637	struct ichdev *ichdev;
2638	unsigned long port;
2639	unsigned long pos, pos1, t;
2640	int civ, timeout = 1000, attempt = 1;
2641	ktime_t start_time, stop_time;
2642
2643	if (chip->ac97_bus->clock != 48000)
2644		return; /* specified in module option */
2645	if (chip->inside_vm && !ac97_clock)
2646		return; /* no measurement on VM */
2647
2648      __again:
2649	subs = chip->pcm[0]->streams[0].substream;
2650	if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) {
2651		dev_warn(chip->card->dev,
2652			 "no playback buffer allocated - aborting measure ac97 clock\n");
2653		return;
2654	}
2655	ichdev = &chip->ichd[ICHD_PCMOUT];
2656	ichdev->physbuf = subs->dma_buffer.addr;
2657	ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE;
2658	ichdev->substream = NULL; /* don't process interrupts */
2659
2660	/* set rate */
2661	if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) {
2662		dev_err(chip->card->dev, "cannot set ac97 rate: clock = %d\n",
2663			chip->ac97_bus->clock);
2664		return;
2665	}
2666	snd_intel8x0_setup_periods(chip, ichdev);
2667	port = ichdev->reg_offset;
2668	spin_lock_irq(&chip->reg_lock);
2669	chip->in_measurement = 1;
2670	/* trigger */
2671	if (chip->device_type != DEVICE_ALI)
2672		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM);
2673	else {
2674		iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE);
2675		iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot);
2676	}
2677	start_time = ktime_get();
2678	spin_unlock_irq(&chip->reg_lock);
2679	msleep(50);
2680	spin_lock_irq(&chip->reg_lock);
2681	/* check the position */
2682	do {
2683		civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV);
2684		pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb);
2685		if (pos1 == 0) {
2686			udelay(10);
2687			continue;
2688		}
2689		if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) &&
2690		    pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb))
2691			break;
2692	} while (timeout--);
2693	if (pos1 == 0) {	/* oops, this value is not reliable */
2694		pos = 0;
2695	} else {
2696		pos = ichdev->fragsize1;
2697		pos -= pos1 << ichdev->pos_shift;
2698		pos += ichdev->position;
2699	}
2700	chip->in_measurement = 0;
2701	stop_time = ktime_get();
2702	/* stop */
2703	if (chip->device_type == DEVICE_ALI) {
2704		iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16));
2705		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2706		while (igetbyte(chip, port + ICH_REG_OFF_CR))
2707			;
2708	} else {
2709		iputbyte(chip, port + ICH_REG_OFF_CR, 0);
2710		while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH))
2711			;
2712	}
2713	iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS);
2714	spin_unlock_irq(&chip->reg_lock);
2715
2716	if (pos == 0) {
2717		dev_err(chip->card->dev,
2718			"measure - unreliable DMA position..\n");
2719	      __retry:
2720		if (attempt < 3) {
2721			msleep(300);
2722			attempt++;
2723			goto __again;
2724		}
2725		goto __end;
2726	}
2727
2728	pos /= 4;
2729	t = ktime_us_delta(stop_time, start_time);
2730	dev_info(chip->card->dev,
2731		 "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
2732	if (t == 0) {
2733		dev_err(chip->card->dev, "?? calculation error..\n");
2734		goto __retry;
2735	}
2736	pos *= 1000;
2737	pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
2738	if (pos < 40000 || pos >= 60000) {
2739		/* abnormal value. hw problem? */
2740		dev_info(chip->card->dev, "measured clock %ld rejected\n", pos);
2741		goto __retry;
2742	} else if (pos > 40500 && pos < 41500)
2743		/* first exception - 41000Hz reference clock */
2744		chip->ac97_bus->clock = 41000;
2745	else if (pos > 43600 && pos < 44600)
2746		/* second exception - 44100HZ reference clock */
2747		chip->ac97_bus->clock = 44100;
2748	else if (pos < 47500 || pos > 48500)
2749		/* not 48000Hz, tuning the clock.. */
2750		chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos;
2751      __end:
2752	dev_info(chip->card->dev, "clocking to %d\n", chip->ac97_bus->clock);
2753	snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
2754}
2755
2756static const struct snd_pci_quirk intel8x0_clock_list[] = {
2757	SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
2758	SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
2759	SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100),
2760	SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000),
2761	SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000),
2762	SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000),
2763	{ }	/* terminator */
2764};
2765
2766static int intel8x0_in_clock_list(struct intel8x0 *chip)
2767{
2768	struct pci_dev *pci = chip->pci;
2769	const struct snd_pci_quirk *wl;
2770
2771	wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list);
2772	if (!wl)
2773		return 0;
2774	dev_info(chip->card->dev, "allow list rate for %04x:%04x is %i\n",
2775	       pci->subsystem_vendor, pci->subsystem_device, wl->value);
2776	chip->ac97_bus->clock = wl->value;
2777	return 1;
2778}
2779
2780static void snd_intel8x0_proc_read(struct snd_info_entry * entry,
2781				   struct snd_info_buffer *buffer)
2782{
2783	struct intel8x0 *chip = entry->private_data;
2784	unsigned int tmp;
2785
2786	snd_iprintf(buffer, "Intel8x0\n\n");
2787	if (chip->device_type == DEVICE_ALI)
2788		return;
2789	tmp = igetdword(chip, ICHREG(GLOB_STA));
2790	snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT)));
2791	snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp);
2792	if (chip->device_type == DEVICE_INTEL_ICH4)
2793		snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM)));
2794	snd_iprintf(buffer, "AC'97 codecs ready    :");
2795	if (tmp & chip->codec_isr_bits) {
2796		int i;
2797		static const char *codecs[3] = {
2798			"primary", "secondary", "tertiary"
2799		};
2800		for (i = 0; i < chip->max_codecs; i++)
2801			if (tmp & chip->codec_bit[i])
2802				snd_iprintf(buffer, " %s", codecs[i]);
2803	} else
2804		snd_iprintf(buffer, " none");
2805	snd_iprintf(buffer, "\n");
2806	if (chip->device_type == DEVICE_INTEL_ICH4 ||
2807	    chip->device_type == DEVICE_SIS)
2808		snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n",
2809			chip->ac97_sdin[0],
2810			chip->ac97_sdin[1],
2811			chip->ac97_sdin[2]);
2812}
2813
2814static void snd_intel8x0_proc_init(struct intel8x0 *chip)
2815{
2816	snd_card_ro_proc_new(chip->card, "intel8x0", chip,
2817			     snd_intel8x0_proc_read);
 
 
 
 
 
 
 
 
2818}
2819
2820struct ich_reg_info {
2821	unsigned int int_sta_mask;
2822	unsigned int offset;
2823};
2824
2825static const unsigned int ich_codec_bits[3] = {
2826	ICH_PCR, ICH_SCR, ICH_TCR
2827};
2828static const unsigned int sis_codec_bits[3] = {
2829	ICH_PCR, ICH_SCR, ICH_SIS_TCR
2830};
2831
2832static int snd_intel8x0_inside_vm(struct pci_dev *pci)
2833{
2834	int result  = inside_vm;
2835	char *msg   = NULL;
2836
2837	/* check module parameter first (override detection) */
2838	if (result >= 0) {
2839		msg = result ? "enable (forced) VM" : "disable (forced) VM";
2840		goto fini;
2841	}
2842
2843	/* check for known (emulated) devices */
2844	result = 0;
2845	if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
2846	    pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) {
2847		/* KVM emulated sound, PCI SSID: 1af4:1100 */
2848		msg = "enable KVM";
2849		result = 1;
2850	} else if (pci->subsystem_vendor == 0x1ab8) {
2851		/* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
2852		msg = "enable Parallels VM";
2853		result = 1;
2854	}
2855
2856fini:
2857	if (msg != NULL)
2858		dev_info(&pci->dev, "%s optimization\n", msg);
2859
2860	return result;
2861}
2862
2863static int snd_intel8x0_init(struct snd_card *card,
2864			     struct pci_dev *pci,
2865			     unsigned long device_type)
 
2866{
2867	struct intel8x0 *chip = card->private_data;
2868	int err;
2869	unsigned int i;
2870	unsigned int int_sta_masks;
2871	struct ichdev *ichdev;
 
 
 
2872
2873	static const unsigned int bdbars[] = {
2874		3, /* DEVICE_INTEL */
2875		6, /* DEVICE_INTEL_ICH4 */
2876		3, /* DEVICE_SIS */
2877		6, /* DEVICE_ALI */
2878		4, /* DEVICE_NFORCE */
2879	};
2880	static const struct ich_reg_info intel_regs[6] = {
2881		{ ICH_PIINT, 0 },
2882		{ ICH_POINT, 0x10 },
2883		{ ICH_MCINT, 0x20 },
2884		{ ICH_M2INT, 0x40 },
2885		{ ICH_P2INT, 0x50 },
2886		{ ICH_SPINT, 0x60 },
2887	};
2888	static const struct ich_reg_info nforce_regs[4] = {
2889		{ ICH_PIINT, 0 },
2890		{ ICH_POINT, 0x10 },
2891		{ ICH_MCINT, 0x20 },
2892		{ ICH_NVSPINT, 0x70 },
2893	};
2894	static const struct ich_reg_info ali_regs[6] = {
2895		{ ALI_INT_PCMIN, 0x40 },
2896		{ ALI_INT_PCMOUT, 0x50 },
2897		{ ALI_INT_MICIN, 0x60 },
2898		{ ALI_INT_CODECSPDIFOUT, 0x70 },
2899		{ ALI_INT_SPDIFIN, 0xa0 },
2900		{ ALI_INT_SPDIFOUT, 0xb0 },
2901	};
2902	const struct ich_reg_info *tbl;
2903
2904	err = pcim_enable_device(pci);
2905	if (err < 0)
 
2906		return err;
2907
 
 
 
 
 
2908	spin_lock_init(&chip->reg_lock);
2909	chip->device_type = device_type;
2910	chip->card = card;
2911	chip->pci = pci;
2912	chip->irq = -1;
2913
2914	/* module parameters */
2915	chip->buggy_irq = buggy_irq;
2916	chip->buggy_semaphore = buggy_semaphore;
2917	if (xbox)
2918		chip->xbox = 1;
2919
2920	chip->inside_vm = snd_intel8x0_inside_vm(pci);
2921
2922	/*
2923	 * Intel 82443MX running a 100MHz processor system bus has a hardware
2924	 * bug, which aborts PCI busmaster for audio transfer.  A workaround
2925	 * is to set the pages as non-cached.  For details, see the errata in
2926	 *     http://download.intel.com/design/chipsets/specupdt/24505108.pdf
2927	 */
2928	if (pci->vendor == PCI_VENDOR_ID_INTEL &&
2929	    pci->device == PCI_DEVICE_ID_INTEL_440MX)
2930		chip->fix_nocache = 1; /* enable workaround */
2931
2932	err = pci_request_regions(pci, card->shortname);
2933	if (err < 0)
 
2934		return err;
 
2935
2936	if (device_type == DEVICE_ALI) {
2937		/* ALI5455 has no ac97 region */
2938		chip->bmaddr = pcim_iomap(pci, 0, 0);
2939	} else {
2940		if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */
2941			chip->addr = pcim_iomap(pci, 2, 0);
2942		else
2943			chip->addr = pcim_iomap(pci, 0, 0);
2944		if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */
2945			chip->bmaddr = pcim_iomap(pci, 3, 0);
2946		else
2947			chip->bmaddr = pcim_iomap(pci, 1, 0);
 
 
2948	}
 
 
 
 
2949
 
 
 
 
 
 
2950	chip->bdbars_count = bdbars[device_type];
2951
2952	/* initialize offsets */
2953	switch (device_type) {
2954	case DEVICE_NFORCE:
2955		tbl = nforce_regs;
2956		break;
2957	case DEVICE_ALI:
2958		tbl = ali_regs;
2959		break;
2960	default:
2961		tbl = intel_regs;
2962		break;
2963	}
2964	for (i = 0; i < chip->bdbars_count; i++) {
2965		ichdev = &chip->ichd[i];
2966		ichdev->ichd = i;
2967		ichdev->reg_offset = tbl[i].offset;
2968		ichdev->int_sta_mask = tbl[i].int_sta_mask;
2969		if (device_type == DEVICE_SIS) {
2970			/* SiS 7012 swaps the registers */
2971			ichdev->roff_sr = ICH_REG_OFF_PICB;
2972			ichdev->roff_picb = ICH_REG_OFF_SR;
2973		} else {
2974			ichdev->roff_sr = ICH_REG_OFF_SR;
2975			ichdev->roff_picb = ICH_REG_OFF_PICB;
2976		}
2977		if (device_type == DEVICE_ALI)
2978			ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10;
2979		/* SIS7012 handles the pcm data in bytes, others are in samples */
2980		ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1;
2981	}
2982
2983	/* allocate buffer descriptor lists */
2984	/* the start of each lists must be aligned to 8 bytes */
2985	chip->bdbars = snd_devm_alloc_pages(&pci->dev, intel8x0_dma_type(chip),
2986					    chip->bdbars_count * sizeof(u32) *
2987					    ICH_MAX_FRAGS * 2);
2988	if (!chip->bdbars)
 
2989		return -ENOMEM;
2990
2991	/* tables must be aligned to 8 bytes here, but the kernel pages
2992	   are much bigger, so we don't care (on i386) */
 
 
 
2993	int_sta_masks = 0;
2994	for (i = 0; i < chip->bdbars_count; i++) {
2995		ichdev = &chip->ichd[i];
2996		ichdev->bdbar = ((__le32 *)chip->bdbars->area) +
2997			(i * ICH_MAX_FRAGS * 2);
2998		ichdev->bdbar_addr = chip->bdbars->addr +
2999			(i * sizeof(u32) * ICH_MAX_FRAGS * 2);
3000		int_sta_masks |= ichdev->int_sta_mask;
3001	}
3002	chip->int_sta_reg = device_type == DEVICE_ALI ?
3003		ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA;
3004	chip->int_sta_mask = int_sta_masks;
3005
3006	pci_set_master(pci);
3007
3008	switch(chip->device_type) {
3009	case DEVICE_INTEL_ICH4:
3010		/* ICH4 can have three codecs */
3011		chip->max_codecs = 3;
3012		chip->codec_bit = ich_codec_bits;
3013		chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI;
3014		break;
3015	case DEVICE_SIS:
3016		/* recent SIS7012 can have three codecs */
3017		chip->max_codecs = 3;
3018		chip->codec_bit = sis_codec_bits;
3019		chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI;
3020		break;
3021	default:
3022		/* others up to two codecs */
3023		chip->max_codecs = 2;
3024		chip->codec_bit = ich_codec_bits;
3025		chip->codec_ready_bits = ICH_PRI | ICH_SRI;
3026		break;
3027	}
3028	for (i = 0; i < chip->max_codecs; i++)
3029		chip->codec_isr_bits |= chip->codec_bit[i];
3030
3031	err = snd_intel8x0_chip_init(chip, 1);
3032	if (err < 0)
3033		return err;
 
3034
3035	/* request irq after initializaing int_sta_mask, etc */
3036	/* NOTE: we don't use devm version here since it's released /
3037	 * re-acquired in PM callbacks.
3038	 * It's released explicitly in snd_intel8x0_free(), too.
3039	 */
3040	if (request_irq(pci->irq, snd_intel8x0_interrupt,
3041			IRQF_SHARED, KBUILD_MODNAME, chip)) {
3042		dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
 
3043		return -EBUSY;
3044	}
3045	chip->irq = pci->irq;
3046	card->sync_irq = chip->irq;
3047
3048	card->private_free = snd_intel8x0_free;
 
 
 
3049
 
3050	return 0;
3051}
3052
3053static struct shortname_table {
3054	unsigned int id;
3055	const char *s;
3056} shortnames[] = {
3057	{ PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" },
3058	{ PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" },
3059	{ PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" },
3060	{ PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" },
3061	{ PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" },
3062	{ PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" },
3063	{ PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" },
3064	{ PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" },
3065	{ PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" },
3066	{ PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" },
3067	{ PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" },
3068	{ PCI_DEVICE_ID_SI_7012, "SiS SI7012" },
3069	{ PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" },
3070	{ PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" },
3071	{ PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" },
3072	{ PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" },
3073	{ PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" },
3074	{ PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" },
3075	{ 0x003a, "NVidia MCP04" },
3076	{ 0x746d, "AMD AMD8111" },
3077	{ 0x7445, "AMD AMD768" },
3078	{ 0x5455, "ALi M5455" },
3079	{ 0, NULL },
3080};
3081
3082static const struct snd_pci_quirk spdif_aclink_defaults[] = {
3083	SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
3084	{ } /* end */
3085};
3086
3087/* look up allow/deny list for SPDIF over ac-link */
3088static int check_default_spdif_aclink(struct pci_dev *pci)
3089{
3090	const struct snd_pci_quirk *w;
3091
3092	w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults);
3093	if (w) {
3094		if (w->value)
3095			dev_dbg(&pci->dev,
3096				"Using SPDIF over AC-Link for %s\n",
3097				    snd_pci_quirk_name(w));
3098		else
3099			dev_dbg(&pci->dev,
3100				"Using integrated SPDIF DMA for %s\n",
3101				    snd_pci_quirk_name(w));
3102		return w->value;
3103	}
3104	return 0;
3105}
3106
3107static int __snd_intel8x0_probe(struct pci_dev *pci,
3108				const struct pci_device_id *pci_id)
3109{
3110	struct snd_card *card;
3111	struct intel8x0 *chip;
3112	int err;
3113	struct shortname_table *name;
3114
3115	err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE,
3116				sizeof(*chip), &card);
3117	if (err < 0)
3118		return err;
3119	chip = card->private_data;
3120
3121	if (spdif_aclink < 0)
3122		spdif_aclink = check_default_spdif_aclink(pci);
3123
3124	strcpy(card->driver, "ICH");
3125	if (!spdif_aclink) {
3126		switch (pci_id->driver_data) {
3127		case DEVICE_NFORCE:
3128			strcpy(card->driver, "NFORCE");
3129			break;
3130		case DEVICE_INTEL_ICH4:
3131			strcpy(card->driver, "ICH4");
3132		}
3133	}
3134
3135	strcpy(card->shortname, "Intel ICH");
3136	for (name = shortnames; name->id; name++) {
3137		if (pci->device == name->id) {
3138			strcpy(card->shortname, name->s);
3139			break;
3140		}
3141	}
3142
3143	if (buggy_irq < 0) {
3144		/* some Nforce[2] and ICH boards have problems with IRQ handling.
3145		 * Needs to return IRQ_HANDLED for unknown irqs.
3146		 */
3147		if (pci_id->driver_data == DEVICE_NFORCE)
3148			buggy_irq = 1;
3149		else
3150			buggy_irq = 0;
3151	}
3152
3153	err = snd_intel8x0_init(card, pci, pci_id->driver_data);
3154	if (err < 0)
 
3155		return err;
 
 
3156
3157	err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk);
3158	if (err < 0)
3159		return err;
3160	err = snd_intel8x0_pcm(chip);
3161	if (err < 0)
 
3162		return err;
 
3163	
3164	snd_intel8x0_proc_init(chip);
3165
3166	snprintf(card->longname, sizeof(card->longname),
3167		 "%s with %s at irq %i", card->shortname,
3168		 snd_ac97_get_short_name(chip->ac97[0]), chip->irq);
3169
3170	if (ac97_clock == 0 || ac97_clock == 1) {
3171		if (ac97_clock == 0) {
3172			if (intel8x0_in_clock_list(chip) == 0)
3173				intel8x0_measure_ac97_clock(chip);
3174		} else {
3175			intel8x0_measure_ac97_clock(chip);
3176		}
3177	}
3178
3179	err = snd_card_register(card);
3180	if (err < 0)
3181		return err;
3182
3183	pci_set_drvdata(pci, card);
3184	return 0;
3185}
3186
3187static int snd_intel8x0_probe(struct pci_dev *pci,
3188			      const struct pci_device_id *pci_id)
3189{
3190	return snd_card_free_on_error(&pci->dev, __snd_intel8x0_probe(pci, pci_id));
3191}
3192
3193static struct pci_driver intel8x0_driver = {
3194	.name = KBUILD_MODNAME,
3195	.id_table = snd_intel8x0_ids,
3196	.probe = snd_intel8x0_probe,
 
3197	.driver = {
3198		.pm = &intel8x0_pm,
3199	},
3200};
3201
3202module_pci_driver(intel8x0_driver);