|  | /* | 
|  | *   ALSA driver for Intel ICH (i8x0) chipsets | 
|  | * | 
|  | *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> | 
|  | * | 
|  | * | 
|  | *   This code also contains alpha support for SiS 735 chipsets provided | 
|  | *   by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet | 
|  | *   for SiS735, so the code is not fully functional. | 
|  | * | 
|  | * | 
|  | *   This program is free software; you can redistribute it and/or modify | 
|  | *   it under the terms of the GNU General Public License as published by | 
|  | *   the Free Software Foundation; either version 2 of the License, or | 
|  | *   (at your option) any later version. | 
|  | * | 
|  | *   This program is distributed in the hope that it will be useful, | 
|  | *   but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | *   GNU General Public License for more details. | 
|  | * | 
|  | *   You should have received a copy of the GNU General Public License | 
|  | *   along with this program; if not, write to the Free Software | 
|  | *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA | 
|  |  | 
|  | * | 
|  | */ | 
|  |  | 
|  | #include <asm/io.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/init.h> | 
|  | #include <linux/pci.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/module.h> | 
|  | #include <sound/core.h> | 
|  | #include <sound/pcm.h> | 
|  | #include <sound/ac97_codec.h> | 
|  | #include <sound/info.h> | 
|  | #include <sound/initval.h> | 
|  | /* for 440MX workaround */ | 
|  | #include <asm/pgtable.h> | 
|  | #include <asm/cacheflush.h> | 
|  |  | 
|  | #ifdef CONFIG_KVM_GUEST | 
|  | #include <linux/kvm_para.h> | 
|  | #else | 
|  | #define kvm_para_available() (0) | 
|  | #endif | 
|  |  | 
|  | MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); | 
|  | MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455"); | 
|  | MODULE_LICENSE("GPL"); | 
|  | MODULE_SUPPORTED_DEVICE("{{Intel,82801AA-ICH}," | 
|  | "{Intel,82901AB-ICH0}," | 
|  | "{Intel,82801BA-ICH2}," | 
|  | "{Intel,82801CA-ICH3}," | 
|  | "{Intel,82801DB-ICH4}," | 
|  | "{Intel,ICH5}," | 
|  | "{Intel,ICH6}," | 
|  | "{Intel,ICH7}," | 
|  | "{Intel,6300ESB}," | 
|  | "{Intel,ESB2}," | 
|  | "{Intel,MX440}," | 
|  | "{SiS,SI7012}," | 
|  | "{NVidia,nForce Audio}," | 
|  | "{NVidia,nForce2 Audio}," | 
|  | "{NVidia,nForce3 Audio}," | 
|  | "{NVidia,MCP04}," | 
|  | "{NVidia,MCP501}," | 
|  | "{NVidia,CK804}," | 
|  | "{NVidia,CK8}," | 
|  | "{NVidia,CK8S}," | 
|  | "{AMD,AMD768}," | 
|  | "{AMD,AMD8111}," | 
|  | "{ALI,M5455}}"); | 
|  |  | 
|  | static int index = SNDRV_DEFAULT_IDX1;	/* Index 0-MAX */ | 
|  | static char *id = SNDRV_DEFAULT_STR1;	/* ID for this card */ | 
|  | static int ac97_clock; | 
|  | static char *ac97_quirk; | 
|  | static bool buggy_semaphore; | 
|  | static int buggy_irq = -1; /* auto-check */ | 
|  | static bool xbox; | 
|  | static int spdif_aclink = -1; | 
|  | static int inside_vm = -1; | 
|  |  | 
|  | module_param(index, int, 0444); | 
|  | MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard."); | 
|  | module_param(id, charp, 0444); | 
|  | MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard."); | 
|  | module_param(ac97_clock, int, 0444); | 
|  | MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = whitelist + auto-detect, 1 = force autodetect)."); | 
|  | module_param(ac97_quirk, charp, 0444); | 
|  | MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); | 
|  | module_param(buggy_semaphore, bool, 0444); | 
|  | MODULE_PARM_DESC(buggy_semaphore, "Enable workaround for hardwares with problematic codec semaphores."); | 
|  | module_param(buggy_irq, bint, 0444); | 
|  | MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards."); | 
|  | module_param(xbox, bool, 0444); | 
|  | MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection."); | 
|  | module_param(spdif_aclink, int, 0444); | 
|  | MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link."); | 
|  | module_param(inside_vm, bint, 0444); | 
|  | MODULE_PARM_DESC(inside_vm, "KVM/Parallels optimization."); | 
|  |  | 
|  | /* just for backward compatibility */ | 
|  | static bool enable; | 
|  | module_param(enable, bool, 0444); | 
|  | static int joystick; | 
|  | module_param(joystick, int, 0444); | 
|  |  | 
|  | /* | 
|  | *  Direct registers | 
|  | */ | 
|  | enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; | 
|  |  | 
|  | #define ICHREG(x) ICH_REG_##x | 
|  |  | 
|  | #define DEFINE_REGSET(name,base) \ | 
|  | enum { \ | 
|  | ICH_REG_##name##_BDBAR	= base + 0x0,	/* dword - buffer descriptor list base address */ \ | 
|  | ICH_REG_##name##_CIV	= base + 0x04,	/* byte - current index value */ \ | 
|  | ICH_REG_##name##_LVI	= base + 0x05,	/* byte - last valid index */ \ | 
|  | ICH_REG_##name##_SR	= base + 0x06,	/* byte - status register */ \ | 
|  | ICH_REG_##name##_PICB	= base + 0x08,	/* word - position in current buffer */ \ | 
|  | ICH_REG_##name##_PIV	= base + 0x0a,	/* byte - prefetched index value */ \ | 
|  | ICH_REG_##name##_CR	= base + 0x0b,	/* byte - control register */ \ | 
|  | }; | 
|  |  | 
|  | /* busmaster blocks */ | 
|  | DEFINE_REGSET(OFF, 0);		/* offset */ | 
|  | DEFINE_REGSET(PI, 0x00);	/* PCM in */ | 
|  | DEFINE_REGSET(PO, 0x10);	/* PCM out */ | 
|  | DEFINE_REGSET(MC, 0x20);	/* Mic in */ | 
|  |  | 
|  | /* ICH4 busmaster blocks */ | 
|  | DEFINE_REGSET(MC2, 0x40);	/* Mic in 2 */ | 
|  | DEFINE_REGSET(PI2, 0x50);	/* PCM in 2 */ | 
|  | DEFINE_REGSET(SP, 0x60);	/* SPDIF out */ | 
|  |  | 
|  | /* values for each busmaster block */ | 
|  |  | 
|  | /* LVI */ | 
|  | #define ICH_REG_LVI_MASK		0x1f | 
|  |  | 
|  | /* SR */ | 
|  | #define ICH_FIFOE			0x10	/* FIFO error */ | 
|  | #define ICH_BCIS			0x08	/* buffer completion interrupt status */ | 
|  | #define ICH_LVBCI			0x04	/* last valid buffer completion interrupt */ | 
|  | #define ICH_CELV			0x02	/* current equals last valid */ | 
|  | #define ICH_DCH				0x01	/* DMA controller halted */ | 
|  |  | 
|  | /* PIV */ | 
|  | #define ICH_REG_PIV_MASK		0x1f	/* mask */ | 
|  |  | 
|  | /* CR */ | 
|  | #define ICH_IOCE			0x10	/* interrupt on completion enable */ | 
|  | #define ICH_FEIE			0x08	/* fifo error interrupt enable */ | 
|  | #define ICH_LVBIE			0x04	/* last valid buffer interrupt enable */ | 
|  | #define ICH_RESETREGS			0x02	/* reset busmaster registers */ | 
|  | #define ICH_STARTBM			0x01	/* start busmaster operation */ | 
|  |  | 
|  |  | 
|  | /* global block */ | 
|  | #define ICH_REG_GLOB_CNT		0x2c	/* dword - global control */ | 
|  | #define   ICH_PCM_SPDIF_MASK	0xc0000000	/* s/pdif pcm slot mask (ICH4) */ | 
|  | #define   ICH_PCM_SPDIF_NONE	0x00000000	/* reserved - undefined */ | 
|  | #define   ICH_PCM_SPDIF_78	0x40000000	/* s/pdif pcm on slots 7&8 */ | 
|  | #define   ICH_PCM_SPDIF_69	0x80000000	/* s/pdif pcm on slots 6&9 */ | 
|  | #define   ICH_PCM_SPDIF_1011	0xc0000000	/* s/pdif pcm on slots 10&11 */ | 
|  | #define   ICH_PCM_20BIT		0x00400000	/* 20-bit samples (ICH4) */ | 
|  | #define   ICH_PCM_246_MASK	0x00300000	/* chan mask (not all chips) */ | 
|  | #define   ICH_PCM_8		0x00300000      /* 8 channels (not all chips) */ | 
|  | #define   ICH_PCM_6		0x00200000	/* 6 channels (not all chips) */ | 
|  | #define   ICH_PCM_4		0x00100000	/* 4 channels (not all chips) */ | 
|  | #define   ICH_PCM_2		0x00000000	/* 2 channels (stereo) */ | 
|  | #define   ICH_SIS_PCM_246_MASK	0x000000c0	/* 6 channels (SIS7012) */ | 
|  | #define   ICH_SIS_PCM_6		0x00000080	/* 6 channels (SIS7012) */ | 
|  | #define   ICH_SIS_PCM_4		0x00000040	/* 4 channels (SIS7012) */ | 
|  | #define   ICH_SIS_PCM_2		0x00000000	/* 2 channels (SIS7012) */ | 
|  | #define   ICH_TRIE		0x00000040	/* tertiary resume interrupt enable */ | 
|  | #define   ICH_SRIE		0x00000020	/* secondary resume interrupt enable */ | 
|  | #define   ICH_PRIE		0x00000010	/* primary resume interrupt enable */ | 
|  | #define   ICH_ACLINK		0x00000008	/* AClink shut off */ | 
|  | #define   ICH_AC97WARM		0x00000004	/* AC'97 warm reset */ | 
|  | #define   ICH_AC97COLD		0x00000002	/* AC'97 cold reset */ | 
|  | #define   ICH_GIE		0x00000001	/* GPI interrupt enable */ | 
|  | #define ICH_REG_GLOB_STA		0x30	/* dword - global status */ | 
|  | #define   ICH_TRI		0x20000000	/* ICH4: tertiary (AC_SDIN2) resume interrupt */ | 
|  | #define   ICH_TCR		0x10000000	/* ICH4: tertiary (AC_SDIN2) codec ready */ | 
|  | #define   ICH_BCS		0x08000000	/* ICH4: bit clock stopped */ | 
|  | #define   ICH_SPINT		0x04000000	/* ICH4: S/PDIF interrupt */ | 
|  | #define   ICH_P2INT		0x02000000	/* ICH4: PCM2-In interrupt */ | 
|  | #define   ICH_M2INT		0x01000000	/* ICH4: Mic2-In interrupt */ | 
|  | #define   ICH_SAMPLE_CAP	0x00c00000	/* ICH4: sample capability bits (RO) */ | 
|  | #define   ICH_SAMPLE_16_20	0x00400000	/* ICH4: 16- and 20-bit samples */ | 
|  | #define   ICH_MULTICHAN_CAP	0x00300000	/* ICH4: multi-channel capability bits (RO) */ | 
|  | #define   ICH_SIS_TRI		0x00080000	/* SIS: tertiary resume irq */ | 
|  | #define   ICH_SIS_TCR		0x00040000	/* SIS: tertiary codec ready */ | 
|  | #define   ICH_MD3		0x00020000	/* modem power down semaphore */ | 
|  | #define   ICH_AD3		0x00010000	/* audio power down semaphore */ | 
|  | #define   ICH_RCS		0x00008000	/* read completion status */ | 
|  | #define   ICH_BIT3		0x00004000	/* bit 3 slot 12 */ | 
|  | #define   ICH_BIT2		0x00002000	/* bit 2 slot 12 */ | 
|  | #define   ICH_BIT1		0x00001000	/* bit 1 slot 12 */ | 
|  | #define   ICH_SRI		0x00000800	/* secondary (AC_SDIN1) resume interrupt */ | 
|  | #define   ICH_PRI		0x00000400	/* primary (AC_SDIN0) resume interrupt */ | 
|  | #define   ICH_SCR		0x00000200	/* secondary (AC_SDIN1) codec ready */ | 
|  | #define   ICH_PCR		0x00000100	/* primary (AC_SDIN0) codec ready */ | 
|  | #define   ICH_MCINT		0x00000080	/* MIC capture interrupt */ | 
|  | #define   ICH_POINT		0x00000040	/* playback interrupt */ | 
|  | #define   ICH_PIINT		0x00000020	/* capture interrupt */ | 
|  | #define   ICH_NVSPINT		0x00000010	/* nforce spdif interrupt */ | 
|  | #define   ICH_MOINT		0x00000004	/* modem playback interrupt */ | 
|  | #define   ICH_MIINT		0x00000002	/* modem capture interrupt */ | 
|  | #define   ICH_GSCI		0x00000001	/* GPI status change interrupt */ | 
|  | #define ICH_REG_ACC_SEMA		0x34	/* byte - codec write semaphore */ | 
|  | #define   ICH_CAS		0x01		/* codec access semaphore */ | 
|  | #define ICH_REG_SDM		0x80 | 
|  | #define   ICH_DI2L_MASK		0x000000c0	/* PCM In 2, Mic In 2 data in line */ | 
|  | #define   ICH_DI2L_SHIFT	6 | 
|  | #define   ICH_DI1L_MASK		0x00000030	/* PCM In 1, Mic In 1 data in line */ | 
|  | #define   ICH_DI1L_SHIFT	4 | 
|  | #define   ICH_SE		0x00000008	/* steer enable */ | 
|  | #define   ICH_LDI_MASK		0x00000003	/* last codec read data input */ | 
|  |  | 
|  | #define ICH_MAX_FRAGS		32		/* max hw frags */ | 
|  |  | 
|  |  | 
|  | /* | 
|  | * registers for Ali5455 | 
|  | */ | 
|  |  | 
|  | /* ALi 5455 busmaster blocks */ | 
|  | DEFINE_REGSET(AL_PI, 0x40);	/* ALi PCM in */ | 
|  | DEFINE_REGSET(AL_PO, 0x50);	/* Ali PCM out */ | 
|  | DEFINE_REGSET(AL_MC, 0x60);	/* Ali Mic in */ | 
|  | DEFINE_REGSET(AL_CDC_SPO, 0x70);	/* Ali Codec SPDIF out */ | 
|  | DEFINE_REGSET(AL_CENTER, 0x80);		/* Ali center out */ | 
|  | DEFINE_REGSET(AL_LFE, 0x90);		/* Ali center out */ | 
|  | DEFINE_REGSET(AL_CLR_SPI, 0xa0);	/* Ali Controller SPDIF in */ | 
|  | DEFINE_REGSET(AL_CLR_SPO, 0xb0);	/* Ali Controller SPDIF out */ | 
|  | DEFINE_REGSET(AL_I2S, 0xc0);	/* Ali I2S in */ | 
|  | DEFINE_REGSET(AL_PI2, 0xd0);	/* Ali PCM2 in */ | 
|  | DEFINE_REGSET(AL_MC2, 0xe0);	/* Ali Mic2 in */ | 
|  |  | 
|  | enum { | 
|  | ICH_REG_ALI_SCR = 0x00,		/* System Control Register */ | 
|  | ICH_REG_ALI_SSR = 0x04,		/* System Status Register  */ | 
|  | ICH_REG_ALI_DMACR = 0x08,	/* DMA Control Register    */ | 
|  | ICH_REG_ALI_FIFOCR1 = 0x0c,	/* FIFO Control Register 1  */ | 
|  | ICH_REG_ALI_INTERFACECR = 0x10,	/* Interface Control Register */ | 
|  | ICH_REG_ALI_INTERRUPTCR = 0x14,	/* Interrupt control Register */ | 
|  | ICH_REG_ALI_INTERRUPTSR = 0x18,	/* Interrupt  Status Register */ | 
|  | ICH_REG_ALI_FIFOCR2 = 0x1c,	/* FIFO Control Register 2   */ | 
|  | ICH_REG_ALI_CPR = 0x20,		/* Command Port Register     */ | 
|  | ICH_REG_ALI_CPR_ADDR = 0x22,	/* ac97 addr write */ | 
|  | ICH_REG_ALI_SPR = 0x24,		/* Status Port Register      */ | 
|  | ICH_REG_ALI_SPR_ADDR = 0x26,	/* ac97 addr read */ | 
|  | ICH_REG_ALI_FIFOCR3 = 0x2c,	/* FIFO Control Register 3  */ | 
|  | ICH_REG_ALI_TTSR = 0x30,	/* Transmit Tag Slot Register */ | 
|  | ICH_REG_ALI_RTSR = 0x34,	/* Receive Tag Slot  Register */ | 
|  | ICH_REG_ALI_CSPSR = 0x38,	/* Command/Status Port Status Register */ | 
|  | ICH_REG_ALI_CAS = 0x3c,		/* Codec Write Semaphore Register */ | 
|  | ICH_REG_ALI_HWVOL = 0xf0,	/* hardware volume control/status */ | 
|  | ICH_REG_ALI_I2SCR = 0xf4,	/* I2S control/status */ | 
|  | ICH_REG_ALI_SPDIFCSR = 0xf8,	/* spdif channel status register  */ | 
|  | ICH_REG_ALI_SPDIFICS = 0xfc,	/* spdif interface control/status  */ | 
|  | }; | 
|  |  | 
|  | #define ALI_CAS_SEM_BUSY	0x80000000 | 
|  | #define ALI_CPR_ADDR_SECONDARY	0x100 | 
|  | #define ALI_CPR_ADDR_READ	0x80 | 
|  | #define ALI_CSPSR_CODEC_READY	0x08 | 
|  | #define ALI_CSPSR_READ_OK	0x02 | 
|  | #define ALI_CSPSR_WRITE_OK	0x01 | 
|  |  | 
|  | /* interrupts for the whole chip by interrupt status register finish */ | 
|  |  | 
|  | #define ALI_INT_MICIN2		(1<<26) | 
|  | #define ALI_INT_PCMIN2		(1<<25) | 
|  | #define ALI_INT_I2SIN		(1<<24) | 
|  | #define ALI_INT_SPDIFOUT	(1<<23)	/* controller spdif out INTERRUPT */ | 
|  | #define ALI_INT_SPDIFIN		(1<<22) | 
|  | #define ALI_INT_LFEOUT		(1<<21) | 
|  | #define ALI_INT_CENTEROUT	(1<<20) | 
|  | #define ALI_INT_CODECSPDIFOUT	(1<<19) | 
|  | #define ALI_INT_MICIN		(1<<18) | 
|  | #define ALI_INT_PCMOUT		(1<<17) | 
|  | #define ALI_INT_PCMIN		(1<<16) | 
|  | #define ALI_INT_CPRAIS		(1<<7)	/* command port available */ | 
|  | #define ALI_INT_SPRAIS		(1<<5)	/* status port available */ | 
|  | #define ALI_INT_GPIO		(1<<1) | 
|  | #define ALI_INT_MASK		(ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|\ | 
|  | ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN) | 
|  |  | 
|  | #define ICH_ALI_SC_RESET	(1<<31)	/* master reset */ | 
|  | #define ICH_ALI_SC_AC97_DBL	(1<<30) | 
|  | #define ICH_ALI_SC_CODEC_SPDF	(3<<20)	/* 1=7/8, 2=6/9, 3=10/11 */ | 
|  | #define ICH_ALI_SC_IN_BITS	(3<<18) | 
|  | #define ICH_ALI_SC_OUT_BITS	(3<<16) | 
|  | #define ICH_ALI_SC_6CH_CFG	(3<<14) | 
|  | #define ICH_ALI_SC_PCM_4	(1<<8) | 
|  | #define ICH_ALI_SC_PCM_6	(2<<8) | 
|  | #define ICH_ALI_SC_PCM_246_MASK	(3<<8) | 
|  |  | 
|  | #define ICH_ALI_SS_SEC_ID	(3<<5) | 
|  | #define ICH_ALI_SS_PRI_ID	(3<<3) | 
|  |  | 
|  | #define ICH_ALI_IF_AC97SP	(1<<21) | 
|  | #define ICH_ALI_IF_MC		(1<<20) | 
|  | #define ICH_ALI_IF_PI		(1<<19) | 
|  | #define ICH_ALI_IF_MC2		(1<<18) | 
|  | #define ICH_ALI_IF_PI2		(1<<17) | 
|  | #define ICH_ALI_IF_LINE_SRC	(1<<15)	/* 0/1 = slot 3/6 */ | 
|  | #define ICH_ALI_IF_MIC_SRC	(1<<14)	/* 0/1 = slot 3/6 */ | 
|  | #define ICH_ALI_IF_SPDF_SRC	(3<<12)	/* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */ | 
|  | #define ICH_ALI_IF_AC97_OUT	(3<<8)	/* 00 = PCM, 10 = spdif-in, 11 = i2s */ | 
|  | #define ICH_ALI_IF_PO_SPDF	(1<<3) | 
|  | #define ICH_ALI_IF_PO		(1<<1) | 
|  |  | 
|  | /* | 
|  | * | 
|  | */ | 
|  |  | 
|  | enum { | 
|  | ICHD_PCMIN, | 
|  | ICHD_PCMOUT, | 
|  | ICHD_MIC, | 
|  | ICHD_MIC2, | 
|  | ICHD_PCM2IN, | 
|  | ICHD_SPBAR, | 
|  | ICHD_LAST = ICHD_SPBAR | 
|  | }; | 
|  | enum { | 
|  | NVD_PCMIN, | 
|  | NVD_PCMOUT, | 
|  | NVD_MIC, | 
|  | NVD_SPBAR, | 
|  | NVD_LAST = NVD_SPBAR | 
|  | }; | 
|  | enum { | 
|  | ALID_PCMIN, | 
|  | ALID_PCMOUT, | 
|  | ALID_MIC, | 
|  | ALID_AC97SPDIFOUT, | 
|  | ALID_SPDIFIN, | 
|  | ALID_SPDIFOUT, | 
|  | ALID_LAST = ALID_SPDIFOUT | 
|  | }; | 
|  |  | 
|  | #define get_ichdev(substream) (substream->runtime->private_data) | 
|  |  | 
|  | struct ichdev { | 
|  | unsigned int ichd;			/* ich device number */ | 
|  | unsigned long reg_offset;		/* offset to bmaddr */ | 
|  | u32 *bdbar;				/* CPU address (32bit) */ | 
|  | unsigned int bdbar_addr;		/* PCI bus address (32bit) */ | 
|  | struct snd_pcm_substream *substream; | 
|  | unsigned int physbuf;			/* physical address (32bit) */ | 
|  | unsigned int size; | 
|  | unsigned int fragsize; | 
|  | unsigned int fragsize1; | 
|  | unsigned int position; | 
|  | unsigned int pos_shift; | 
|  | unsigned int last_pos; | 
|  | int frags; | 
|  | int lvi; | 
|  | int lvi_frag; | 
|  | int civ; | 
|  | int ack; | 
|  | int ack_reload; | 
|  | unsigned int ack_bit; | 
|  | unsigned int roff_sr; | 
|  | unsigned int roff_picb; | 
|  | unsigned int int_sta_mask;		/* interrupt status mask */ | 
|  | unsigned int ali_slot;			/* ALI DMA slot */ | 
|  | struct ac97_pcm *pcm; | 
|  | int pcm_open_flag; | 
|  | unsigned int page_attr_changed: 1; | 
|  | unsigned int suspended: 1; | 
|  | }; | 
|  |  | 
|  | struct intel8x0 { | 
|  | unsigned int device_type; | 
|  |  | 
|  | int irq; | 
|  |  | 
|  | void __iomem *addr; | 
|  | void __iomem *bmaddr; | 
|  |  | 
|  | struct pci_dev *pci; | 
|  | struct snd_card *card; | 
|  |  | 
|  | int pcm_devs; | 
|  | struct snd_pcm *pcm[6]; | 
|  | struct ichdev ichd[6]; | 
|  |  | 
|  | unsigned multi4: 1, | 
|  | multi6: 1, | 
|  | multi8 :1, | 
|  | dra: 1, | 
|  | smp20bit: 1; | 
|  | unsigned in_ac97_init: 1, | 
|  | in_sdin_init: 1; | 
|  | unsigned in_measurement: 1;	/* during ac97 clock measurement */ | 
|  | unsigned fix_nocache: 1; 	/* workaround for 440MX */ | 
|  | unsigned buggy_irq: 1;		/* workaround for buggy mobos */ | 
|  | unsigned xbox: 1;		/* workaround for Xbox AC'97 detection */ | 
|  | unsigned buggy_semaphore: 1;	/* workaround for buggy codec semaphore */ | 
|  | unsigned inside_vm: 1;		/* enable VM optimization */ | 
|  |  | 
|  | int spdif_idx;	/* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */ | 
|  | unsigned int sdm_saved;	/* SDM reg value */ | 
|  |  | 
|  | struct snd_ac97_bus *ac97_bus; | 
|  | struct snd_ac97 *ac97[3]; | 
|  | unsigned int ac97_sdin[3]; | 
|  | unsigned int max_codecs, ncodecs; | 
|  | unsigned int *codec_bit; | 
|  | unsigned int codec_isr_bits; | 
|  | unsigned int codec_ready_bits; | 
|  |  | 
|  | spinlock_t reg_lock; | 
|  |  | 
|  | u32 bdbars_count; | 
|  | struct snd_dma_buffer bdbars; | 
|  | u32 int_sta_reg;		/* interrupt status register */ | 
|  | u32 int_sta_mask;		/* interrupt status mask */ | 
|  | }; | 
|  |  | 
|  | static DEFINE_PCI_DEVICE_TABLE(snd_intel8x0_ids) = { | 
|  | { PCI_VDEVICE(INTEL, 0x2415), DEVICE_INTEL },	/* 82801AA */ | 
|  | { PCI_VDEVICE(INTEL, 0x2425), DEVICE_INTEL },	/* 82901AB */ | 
|  | { PCI_VDEVICE(INTEL, 0x2445), DEVICE_INTEL },	/* 82801BA */ | 
|  | { PCI_VDEVICE(INTEL, 0x2485), DEVICE_INTEL },	/* ICH3 */ | 
|  | { PCI_VDEVICE(INTEL, 0x24c5), DEVICE_INTEL_ICH4 }, /* ICH4 */ | 
|  | { PCI_VDEVICE(INTEL, 0x24d5), DEVICE_INTEL_ICH4 }, /* ICH5 */ | 
|  | { PCI_VDEVICE(INTEL, 0x25a6), DEVICE_INTEL_ICH4 }, /* ESB */ | 
|  | { PCI_VDEVICE(INTEL, 0x266e), DEVICE_INTEL_ICH4 }, /* ICH6 */ | 
|  | { PCI_VDEVICE(INTEL, 0x27de), DEVICE_INTEL_ICH4 }, /* ICH7 */ | 
|  | { PCI_VDEVICE(INTEL, 0x2698), DEVICE_INTEL_ICH4 }, /* ESB2 */ | 
|  | { PCI_VDEVICE(INTEL, 0x7195), DEVICE_INTEL },	/* 440MX */ | 
|  | { PCI_VDEVICE(SI, 0x7012), DEVICE_SIS },	/* SI7012 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x01b1), DEVICE_NFORCE },	/* NFORCE */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x003a), DEVICE_NFORCE },	/* MCP04 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x006a), DEVICE_NFORCE },	/* NFORCE2 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x0059), DEVICE_NFORCE },	/* CK804 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x008a), DEVICE_NFORCE },	/* CK8 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x00da), DEVICE_NFORCE },	/* NFORCE3 */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x00ea), DEVICE_NFORCE },	/* CK8S */ | 
|  | { PCI_VDEVICE(NVIDIA, 0x026b), DEVICE_NFORCE },	/* MCP51 */ | 
|  | { PCI_VDEVICE(AMD, 0x746d), DEVICE_INTEL },	/* AMD8111 */ | 
|  | { PCI_VDEVICE(AMD, 0x7445), DEVICE_INTEL },	/* AMD768 */ | 
|  | { PCI_VDEVICE(AL, 0x5455), DEVICE_ALI },   /* Ali5455 */ | 
|  | { 0, } | 
|  | }; | 
|  |  | 
|  | MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids); | 
|  |  | 
|  | /* | 
|  | *  Lowlevel I/O - busmaster | 
|  | */ | 
|  |  | 
|  | static inline u8 igetbyte(struct intel8x0 *chip, u32 offset) | 
|  | { | 
|  | return ioread8(chip->bmaddr + offset); | 
|  | } | 
|  |  | 
|  | static inline u16 igetword(struct intel8x0 *chip, u32 offset) | 
|  | { | 
|  | return ioread16(chip->bmaddr + offset); | 
|  | } | 
|  |  | 
|  | static inline u32 igetdword(struct intel8x0 *chip, u32 offset) | 
|  | { | 
|  | return ioread32(chip->bmaddr + offset); | 
|  | } | 
|  |  | 
|  | static inline void iputbyte(struct intel8x0 *chip, u32 offset, u8 val) | 
|  | { | 
|  | iowrite8(val, chip->bmaddr + offset); | 
|  | } | 
|  |  | 
|  | static inline void iputword(struct intel8x0 *chip, u32 offset, u16 val) | 
|  | { | 
|  | iowrite16(val, chip->bmaddr + offset); | 
|  | } | 
|  |  | 
|  | static inline void iputdword(struct intel8x0 *chip, u32 offset, u32 val) | 
|  | { | 
|  | iowrite32(val, chip->bmaddr + offset); | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  Lowlevel I/O - AC'97 registers | 
|  | */ | 
|  |  | 
|  | static inline u16 iagetword(struct intel8x0 *chip, u32 offset) | 
|  | { | 
|  | return ioread16(chip->addr + offset); | 
|  | } | 
|  |  | 
|  | static inline void iaputword(struct intel8x0 *chip, u32 offset, u16 val) | 
|  | { | 
|  | iowrite16(val, chip->addr + offset); | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  Basic I/O | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * access to AC97 codec via normal i/o (for ICH and SIS7012) | 
|  | */ | 
|  |  | 
|  | static int snd_intel8x0_codec_semaphore(struct intel8x0 *chip, unsigned int codec) | 
|  | { | 
|  | int time; | 
|  |  | 
|  | if (codec > 2) | 
|  | return -EIO; | 
|  | if (chip->in_sdin_init) { | 
|  | /* we don't know the ready bit assignment at the moment */ | 
|  | /* so we check any */ | 
|  | codec = chip->codec_isr_bits; | 
|  | } else { | 
|  | codec = chip->codec_bit[chip->ac97_sdin[codec]]; | 
|  | } | 
|  |  | 
|  | /* codec ready ? */ | 
|  | if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) | 
|  | return -EIO; | 
|  |  | 
|  | if (chip->buggy_semaphore) | 
|  | return 0; /* just ignore ... */ | 
|  |  | 
|  | /* Anyone holding a semaphore for 1 msec should be shot... */ | 
|  | time = 100; | 
|  | do { | 
|  | if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) | 
|  | return 0; | 
|  | udelay(10); | 
|  | } while (time--); | 
|  |  | 
|  | /* access to some forbidden (non existent) ac97 registers will not | 
|  | * reset the semaphore. So even if you don't get the semaphore, still | 
|  | * continue the access. We don't need the semaphore anyway. */ | 
|  | snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", | 
|  | igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); | 
|  | iagetword(chip, 0);	/* clear semaphore flag */ | 
|  | /* I don't care about the semaphore */ | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_codec_write(struct snd_ac97 *ac97, | 
|  | unsigned short reg, | 
|  | unsigned short val) | 
|  | { | 
|  | struct intel8x0 *chip = ac97->private_data; | 
|  |  | 
|  | if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { | 
|  | if (! chip->in_ac97_init) | 
|  | snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); | 
|  | } | 
|  | iaputword(chip, reg + ac97->num * 0x80, val); | 
|  | } | 
|  |  | 
|  | static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, | 
|  | unsigned short reg) | 
|  | { | 
|  | struct intel8x0 *chip = ac97->private_data; | 
|  | unsigned short res; | 
|  | unsigned int tmp; | 
|  |  | 
|  | if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { | 
|  | if (! chip->in_ac97_init) | 
|  | snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); | 
|  | res = 0xffff; | 
|  | } else { | 
|  | res = iagetword(chip, reg + ac97->num * 0x80); | 
|  | if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { | 
|  | /* reset RCS and preserve other R/WC bits */ | 
|  | iputdword(chip, ICHREG(GLOB_STA), tmp & | 
|  | ~(chip->codec_ready_bits | ICH_GSCI)); | 
|  | if (! chip->in_ac97_init) | 
|  | snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); | 
|  | res = 0xffff; | 
|  | } | 
|  | } | 
|  | return res; | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_codec_read_test(struct intel8x0 *chip, | 
|  | unsigned int codec) | 
|  | { | 
|  | unsigned int tmp; | 
|  |  | 
|  | if (snd_intel8x0_codec_semaphore(chip, codec) >= 0) { | 
|  | iagetword(chip, codec * 0x80); | 
|  | if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { | 
|  | /* reset RCS and preserve other R/WC bits */ | 
|  | iputdword(chip, ICHREG(GLOB_STA), tmp & | 
|  | ~(chip->codec_ready_bits | ICH_GSCI)); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * access to AC97 for Ali5455 | 
|  | */ | 
|  | static int snd_intel8x0_ali_codec_ready(struct intel8x0 *chip, int mask) | 
|  | { | 
|  | int count = 0; | 
|  | for (count = 0; count < 0x7f; count++) { | 
|  | int val = igetbyte(chip, ICHREG(ALI_CSPSR)); | 
|  | if (val & mask) | 
|  | return 0; | 
|  | } | 
|  | if (! chip->in_ac97_init) | 
|  | snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n"); | 
|  | return -EBUSY; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_codec_semaphore(struct intel8x0 *chip) | 
|  | { | 
|  | int time = 100; | 
|  | if (chip->buggy_semaphore) | 
|  | return 0; /* just ignore ... */ | 
|  | while (--time && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY)) | 
|  | udelay(1); | 
|  | if (! time && ! chip->in_ac97_init) | 
|  | snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n"); | 
|  | return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY); | 
|  | } | 
|  |  | 
|  | static unsigned short snd_intel8x0_ali_codec_read(struct snd_ac97 *ac97, unsigned short reg) | 
|  | { | 
|  | struct intel8x0 *chip = ac97->private_data; | 
|  | unsigned short data = 0xffff; | 
|  |  | 
|  | if (snd_intel8x0_ali_codec_semaphore(chip)) | 
|  | goto __err; | 
|  | reg |= ALI_CPR_ADDR_READ; | 
|  | if (ac97->num) | 
|  | reg |= ALI_CPR_ADDR_SECONDARY; | 
|  | iputword(chip, ICHREG(ALI_CPR_ADDR), reg); | 
|  | if (snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_READ_OK)) | 
|  | goto __err; | 
|  | data = igetword(chip, ICHREG(ALI_SPR)); | 
|  | __err: | 
|  | return data; | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_ali_codec_write(struct snd_ac97 *ac97, unsigned short reg, | 
|  | unsigned short val) | 
|  | { | 
|  | struct intel8x0 *chip = ac97->private_data; | 
|  |  | 
|  | if (snd_intel8x0_ali_codec_semaphore(chip)) | 
|  | return; | 
|  | iputword(chip, ICHREG(ALI_CPR), val); | 
|  | if (ac97->num) | 
|  | reg |= ALI_CPR_ADDR_SECONDARY; | 
|  | iputword(chip, ICHREG(ALI_CPR_ADDR), reg); | 
|  | snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_WRITE_OK); | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * DMA I/O | 
|  | */ | 
|  | static void snd_intel8x0_setup_periods(struct intel8x0 *chip, struct ichdev *ichdev) | 
|  | { | 
|  | int idx; | 
|  | u32 *bdbar = ichdev->bdbar; | 
|  | unsigned long port = ichdev->reg_offset; | 
|  |  | 
|  | iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); | 
|  | if (ichdev->size == ichdev->fragsize) { | 
|  | ichdev->ack_reload = ichdev->ack = 2; | 
|  | ichdev->fragsize1 = ichdev->fragsize >> 1; | 
|  | for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { | 
|  | bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); | 
|  | bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ | 
|  | ichdev->fragsize1 >> ichdev->pos_shift); | 
|  | bdbar[idx + 2] = cpu_to_le32(ichdev->physbuf + (ichdev->size >> 1)); | 
|  | bdbar[idx + 3] = cpu_to_le32(0x80000000 | /* interrupt on completion */ | 
|  | ichdev->fragsize1 >> ichdev->pos_shift); | 
|  | } | 
|  | ichdev->frags = 2; | 
|  | } else { | 
|  | ichdev->ack_reload = ichdev->ack = 1; | 
|  | ichdev->fragsize1 = ichdev->fragsize; | 
|  | for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 2) { | 
|  | bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf + | 
|  | (((idx >> 1) * ichdev->fragsize) % | 
|  | ichdev->size)); | 
|  | bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ | 
|  | ichdev->fragsize >> ichdev->pos_shift); | 
|  | #if 0 | 
|  | printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n", | 
|  | idx + 0, bdbar[idx + 0], bdbar[idx + 1]); | 
|  | #endif | 
|  | } | 
|  | ichdev->frags = ichdev->size / ichdev->fragsize; | 
|  | } | 
|  | iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); | 
|  | ichdev->civ = 0; | 
|  | iputbyte(chip, port + ICH_REG_OFF_CIV, 0); | 
|  | ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; | 
|  | ichdev->position = 0; | 
|  | #if 0 | 
|  | printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, " | 
|  | "period_size1 = 0x%x\n", | 
|  | ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, | 
|  | ichdev->fragsize1); | 
|  | #endif | 
|  | /* clear interrupts */ | 
|  | iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); | 
|  | } | 
|  |  | 
|  | #ifdef __i386__ | 
|  | /* | 
|  | * Intel 82443MX running a 100MHz processor system bus has a hardware bug, | 
|  | * which aborts PCI busmaster for audio transfer.  A workaround is to set | 
|  | * the pages as non-cached.  For details, see the errata in | 
|  | *	http://download.intel.com/design/chipsets/specupdt/24505108.pdf | 
|  | */ | 
|  | static void fill_nocache(void *buf, int size, int nocache) | 
|  | { | 
|  | size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; | 
|  | if (nocache) | 
|  | set_pages_uc(virt_to_page(buf), size); | 
|  | else | 
|  | set_pages_wb(virt_to_page(buf), size); | 
|  | } | 
|  | #else | 
|  | #define fill_nocache(buf, size, nocache) do { ; } while (0) | 
|  | #endif | 
|  |  | 
|  | /* | 
|  | *  Interrupt handler | 
|  | */ | 
|  |  | 
|  | static inline void snd_intel8x0_update(struct intel8x0 *chip, struct ichdev *ichdev) | 
|  | { | 
|  | unsigned long port = ichdev->reg_offset; | 
|  | unsigned long flags; | 
|  | int status, civ, i, step; | 
|  | int ack = 0; | 
|  |  | 
|  | spin_lock_irqsave(&chip->reg_lock, flags); | 
|  | status = igetbyte(chip, port + ichdev->roff_sr); | 
|  | civ = igetbyte(chip, port + ICH_REG_OFF_CIV); | 
|  | if (!(status & ICH_BCIS)) { | 
|  | step = 0; | 
|  | } else if (civ == ichdev->civ) { | 
|  | // snd_printd("civ same %d\n", civ); | 
|  | step = 1; | 
|  | ichdev->civ++; | 
|  | ichdev->civ &= ICH_REG_LVI_MASK; | 
|  | } else { | 
|  | step = civ - ichdev->civ; | 
|  | if (step < 0) | 
|  | step += ICH_REG_LVI_MASK + 1; | 
|  | // if (step != 1) | 
|  | //	snd_printd("step = %d, %d -> %d\n", step, ichdev->civ, civ); | 
|  | ichdev->civ = civ; | 
|  | } | 
|  |  | 
|  | ichdev->position += step * ichdev->fragsize1; | 
|  | if (! chip->in_measurement) | 
|  | ichdev->position %= ichdev->size; | 
|  | ichdev->lvi += step; | 
|  | ichdev->lvi &= ICH_REG_LVI_MASK; | 
|  | iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); | 
|  | for (i = 0; i < step; i++) { | 
|  | ichdev->lvi_frag++; | 
|  | ichdev->lvi_frag %= ichdev->frags; | 
|  | ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + ichdev->lvi_frag * ichdev->fragsize1); | 
|  | #if 0 | 
|  | printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, " | 
|  | "all = 0x%x, 0x%x\n", | 
|  | ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], | 
|  | ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), | 
|  | inl(port + 4), inb(port + ICH_REG_OFF_CR)); | 
|  | #endif | 
|  | if (--ichdev->ack == 0) { | 
|  | ichdev->ack = ichdev->ack_reload; | 
|  | ack = 1; | 
|  | } | 
|  | } | 
|  | spin_unlock_irqrestore(&chip->reg_lock, flags); | 
|  | if (ack && ichdev->substream) { | 
|  | snd_pcm_period_elapsed(ichdev->substream); | 
|  | } | 
|  | iputbyte(chip, port + ichdev->roff_sr, | 
|  | status & (ICH_FIFOE | ICH_BCIS | ICH_LVBCI)); | 
|  | } | 
|  |  | 
|  | static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id) | 
|  | { | 
|  | struct intel8x0 *chip = dev_id; | 
|  | struct ichdev *ichdev; | 
|  | unsigned int status; | 
|  | unsigned int i; | 
|  |  | 
|  | status = igetdword(chip, chip->int_sta_reg); | 
|  | if (status == 0xffffffff)	/* we are not yet resumed */ | 
|  | return IRQ_NONE; | 
|  |  | 
|  | if ((status & chip->int_sta_mask) == 0) { | 
|  | if (status) { | 
|  | /* ack */ | 
|  | iputdword(chip, chip->int_sta_reg, status); | 
|  | if (! chip->buggy_irq) | 
|  | status = 0; | 
|  | } | 
|  | return IRQ_RETVAL(status); | 
|  | } | 
|  |  | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | ichdev = &chip->ichd[i]; | 
|  | if (status & ichdev->int_sta_mask) | 
|  | snd_intel8x0_update(chip, ichdev); | 
|  | } | 
|  |  | 
|  | /* ack them */ | 
|  | iputdword(chip, chip->int_sta_reg, status & chip->int_sta_mask); | 
|  |  | 
|  | return IRQ_HANDLED; | 
|  | } | 
|  |  | 
|  | /* | 
|  | *  PCM part | 
|  | */ | 
|  |  | 
|  | static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct ichdev *ichdev = get_ichdev(substream); | 
|  | unsigned char val = 0; | 
|  | unsigned long port = ichdev->reg_offset; | 
|  |  | 
|  | switch (cmd) { | 
|  | case SNDRV_PCM_TRIGGER_RESUME: | 
|  | ichdev->suspended = 0; | 
|  | /* fallthru */ | 
|  | case SNDRV_PCM_TRIGGER_START: | 
|  | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | 
|  | val = ICH_IOCE | ICH_STARTBM; | 
|  | ichdev->last_pos = ichdev->position; | 
|  | break; | 
|  | case SNDRV_PCM_TRIGGER_SUSPEND: | 
|  | ichdev->suspended = 1; | 
|  | /* fallthru */ | 
|  | case SNDRV_PCM_TRIGGER_STOP: | 
|  | val = 0; | 
|  | break; | 
|  | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | 
|  | val = ICH_IOCE; | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, val); | 
|  | if (cmd == SNDRV_PCM_TRIGGER_STOP) { | 
|  | /* wait until DMA stopped */ | 
|  | while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; | 
|  | /* reset whole DMA things */ | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_trigger(struct snd_pcm_substream *substream, int cmd) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct ichdev *ichdev = get_ichdev(substream); | 
|  | unsigned long port = ichdev->reg_offset; | 
|  | static int fiforeg[] = { | 
|  | ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3) | 
|  | }; | 
|  | unsigned int val, fifo; | 
|  |  | 
|  | val = igetdword(chip, ICHREG(ALI_DMACR)); | 
|  | switch (cmd) { | 
|  | case SNDRV_PCM_TRIGGER_RESUME: | 
|  | ichdev->suspended = 0; | 
|  | /* fallthru */ | 
|  | case SNDRV_PCM_TRIGGER_START: | 
|  | case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: | 
|  | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { | 
|  | /* clear FIFO for synchronization of channels */ | 
|  | fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]); | 
|  | fifo &= ~(0xff << (ichdev->ali_slot % 4)); | 
|  | fifo |= 0x83 << (ichdev->ali_slot % 4); | 
|  | iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo); | 
|  | } | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); | 
|  | val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */ | 
|  | /* start DMA */ | 
|  | iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot)); | 
|  | break; | 
|  | case SNDRV_PCM_TRIGGER_SUSPEND: | 
|  | ichdev->suspended = 1; | 
|  | /* fallthru */ | 
|  | case SNDRV_PCM_TRIGGER_STOP: | 
|  | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | 
|  | /* pause */ | 
|  | iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16))); | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, 0); | 
|  | while (igetbyte(chip, port + ICH_REG_OFF_CR)) | 
|  | ; | 
|  | if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH) | 
|  | break; | 
|  | /* reset whole DMA things */ | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); | 
|  | /* clear interrupts */ | 
|  | iputbyte(chip, port + ICH_REG_OFF_SR, | 
|  | igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e); | 
|  | iputdword(chip, ICHREG(ALI_INTERRUPTSR), | 
|  | igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask); | 
|  | break; | 
|  | default: | 
|  | return -EINVAL; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream, | 
|  | struct snd_pcm_hw_params *hw_params) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct ichdev *ichdev = get_ichdev(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | int dbl = params_rate(hw_params) > 48000; | 
|  | int err; | 
|  |  | 
|  | if (chip->fix_nocache && ichdev->page_attr_changed) { | 
|  | fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); /* clear */ | 
|  | ichdev->page_attr_changed = 0; | 
|  | } | 
|  | err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); | 
|  | if (err < 0) | 
|  | return err; | 
|  | if (chip->fix_nocache) { | 
|  | if (runtime->dma_area && ! ichdev->page_attr_changed) { | 
|  | fill_nocache(runtime->dma_area, runtime->dma_bytes, 1); | 
|  | ichdev->page_attr_changed = 1; | 
|  | } | 
|  | } | 
|  | if (ichdev->pcm_open_flag) { | 
|  | snd_ac97_pcm_close(ichdev->pcm); | 
|  | ichdev->pcm_open_flag = 0; | 
|  | } | 
|  | err = snd_ac97_pcm_open(ichdev->pcm, params_rate(hw_params), | 
|  | params_channels(hw_params), | 
|  | ichdev->pcm->r[dbl].slots); | 
|  | if (err >= 0) { | 
|  | ichdev->pcm_open_flag = 1; | 
|  | /* Force SPDIF setting */ | 
|  | if (ichdev->ichd == ICHD_PCMOUT && chip->spdif_idx < 0) | 
|  | snd_ac97_set_rate(ichdev->pcm->r[0].codec[0], AC97_SPDIF, | 
|  | params_rate(hw_params)); | 
|  | } | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct ichdev *ichdev = get_ichdev(substream); | 
|  |  | 
|  | if (ichdev->pcm_open_flag) { | 
|  | snd_ac97_pcm_close(ichdev->pcm); | 
|  | ichdev->pcm_open_flag = 0; | 
|  | } | 
|  | if (chip->fix_nocache && ichdev->page_attr_changed) { | 
|  | fill_nocache(substream->runtime->dma_area, substream->runtime->dma_bytes, 0); | 
|  | ichdev->page_attr_changed = 0; | 
|  | } | 
|  | return snd_pcm_lib_free_pages(substream); | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_setup_pcm_out(struct intel8x0 *chip, | 
|  | struct snd_pcm_runtime *runtime) | 
|  | { | 
|  | unsigned int cnt; | 
|  | int dbl = runtime->rate > 48000; | 
|  |  | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | switch (chip->device_type) { | 
|  | case DEVICE_ALI: | 
|  | cnt = igetdword(chip, ICHREG(ALI_SCR)); | 
|  | cnt &= ~ICH_ALI_SC_PCM_246_MASK; | 
|  | if (runtime->channels == 4 || dbl) | 
|  | cnt |= ICH_ALI_SC_PCM_4; | 
|  | else if (runtime->channels == 6) | 
|  | cnt |= ICH_ALI_SC_PCM_6; | 
|  | iputdword(chip, ICHREG(ALI_SCR), cnt); | 
|  | break; | 
|  | case DEVICE_SIS: | 
|  | cnt = igetdword(chip, ICHREG(GLOB_CNT)); | 
|  | cnt &= ~ICH_SIS_PCM_246_MASK; | 
|  | if (runtime->channels == 4 || dbl) | 
|  | cnt |= ICH_SIS_PCM_4; | 
|  | else if (runtime->channels == 6) | 
|  | cnt |= ICH_SIS_PCM_6; | 
|  | iputdword(chip, ICHREG(GLOB_CNT), cnt); | 
|  | break; | 
|  | default: | 
|  | cnt = igetdword(chip, ICHREG(GLOB_CNT)); | 
|  | cnt &= ~(ICH_PCM_246_MASK | ICH_PCM_20BIT); | 
|  | if (runtime->channels == 4 || dbl) | 
|  | cnt |= ICH_PCM_4; | 
|  | else if (runtime->channels == 6) | 
|  | cnt |= ICH_PCM_6; | 
|  | else if (runtime->channels == 8) | 
|  | cnt |= ICH_PCM_8; | 
|  | if (chip->device_type == DEVICE_NFORCE) { | 
|  | /* reset to 2ch once to keep the 6 channel data in alignment, | 
|  | * to start from Front Left always | 
|  | */ | 
|  | if (cnt & ICH_PCM_246_MASK) { | 
|  | iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_PCM_246_MASK); | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  | msleep(50); /* grrr... */ | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | } | 
|  | } else if (chip->device_type == DEVICE_INTEL_ICH4) { | 
|  | if (runtime->sample_bits > 16) | 
|  | cnt |= ICH_PCM_20BIT; | 
|  | } | 
|  | iputdword(chip, ICHREG(GLOB_CNT), cnt); | 
|  | break; | 
|  | } | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_pcm_prepare(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | struct ichdev *ichdev = get_ichdev(substream); | 
|  |  | 
|  | ichdev->physbuf = runtime->dma_addr; | 
|  | ichdev->size = snd_pcm_lib_buffer_bytes(substream); | 
|  | ichdev->fragsize = snd_pcm_lib_period_bytes(substream); | 
|  | if (ichdev->ichd == ICHD_PCMOUT) { | 
|  | snd_intel8x0_setup_pcm_out(chip, runtime); | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) | 
|  | ichdev->pos_shift = (runtime->sample_bits > 16) ? 2 : 1; | 
|  | } | 
|  | snd_intel8x0_setup_periods(chip, ichdev); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct ichdev *ichdev = get_ichdev(substream); | 
|  | size_t ptr1, ptr; | 
|  | int civ, timeout = 10; | 
|  | unsigned int position; | 
|  |  | 
|  | spin_lock(&chip->reg_lock); | 
|  | do { | 
|  | civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV); | 
|  | ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb); | 
|  | position = ichdev->position; | 
|  | if (ptr1 == 0) { | 
|  | udelay(10); | 
|  | continue; | 
|  | } | 
|  | if (civ != igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV)) | 
|  | continue; | 
|  |  | 
|  | /* IO read operation is very expensive inside virtual machine | 
|  | * as it is emulated. The probability that subsequent PICB read | 
|  | * will return different result is high enough to loop till | 
|  | * timeout here. | 
|  | * Same CIV is strict enough condition to be sure that PICB | 
|  | * is valid inside VM on emulated card. */ | 
|  | if (chip->inside_vm) | 
|  | break; | 
|  | if (ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) | 
|  | break; | 
|  | } while (timeout--); | 
|  | ptr = ichdev->last_pos; | 
|  | if (ptr1 != 0) { | 
|  | ptr1 <<= ichdev->pos_shift; | 
|  | ptr = ichdev->fragsize1 - ptr1; | 
|  | ptr += position; | 
|  | if (ptr < ichdev->last_pos) { | 
|  | unsigned int pos_base, last_base; | 
|  | pos_base = position / ichdev->fragsize1; | 
|  | last_base = ichdev->last_pos / ichdev->fragsize1; | 
|  | /* another sanity check; ptr1 can go back to full | 
|  | * before the base position is updated | 
|  | */ | 
|  | if (pos_base == last_base) | 
|  | ptr = ichdev->last_pos; | 
|  | } | 
|  | } | 
|  | ichdev->last_pos = ptr; | 
|  | spin_unlock(&chip->reg_lock); | 
|  | if (ptr >= ichdev->size) | 
|  | return 0; | 
|  | return bytes_to_frames(substream->runtime, ptr); | 
|  | } | 
|  |  | 
|  | static struct snd_pcm_hardware snd_intel8x0_stream = | 
|  | { | 
|  | .info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | | 
|  | SNDRV_PCM_INFO_BLOCK_TRANSFER | | 
|  | SNDRV_PCM_INFO_MMAP_VALID | | 
|  | SNDRV_PCM_INFO_PAUSE | | 
|  | SNDRV_PCM_INFO_RESUME), | 
|  | .formats =		SNDRV_PCM_FMTBIT_S16_LE, | 
|  | .rates =		SNDRV_PCM_RATE_48000, | 
|  | .rate_min =		48000, | 
|  | .rate_max =		48000, | 
|  | .channels_min =		2, | 
|  | .channels_max =		2, | 
|  | .buffer_bytes_max =	128 * 1024, | 
|  | .period_bytes_min =	32, | 
|  | .period_bytes_max =	128 * 1024, | 
|  | .periods_min =		1, | 
|  | .periods_max =		1024, | 
|  | .fifo_size =		0, | 
|  | }; | 
|  |  | 
|  | static unsigned int channels4[] = { | 
|  | 2, 4, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_hw_constraint_list hw_constraints_channels4 = { | 
|  | .count = ARRAY_SIZE(channels4), | 
|  | .list = channels4, | 
|  | .mask = 0, | 
|  | }; | 
|  |  | 
|  | static unsigned int channels6[] = { | 
|  | 2, 4, 6, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_hw_constraint_list hw_constraints_channels6 = { | 
|  | .count = ARRAY_SIZE(channels6), | 
|  | .list = channels6, | 
|  | .mask = 0, | 
|  | }; | 
|  |  | 
|  | static unsigned int channels8[] = { | 
|  | 2, 4, 6, 8, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_hw_constraint_list hw_constraints_channels8 = { | 
|  | .count = ARRAY_SIZE(channels8), | 
|  | .list = channels8, | 
|  | .mask = 0, | 
|  | }; | 
|  |  | 
|  | static int snd_intel8x0_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | int err; | 
|  |  | 
|  | ichdev->substream = substream; | 
|  | runtime->hw = snd_intel8x0_stream; | 
|  | runtime->hw.rates = ichdev->pcm->rates; | 
|  | snd_pcm_limit_hw_rates(runtime); | 
|  | if (chip->device_type == DEVICE_SIS) { | 
|  | runtime->hw.buffer_bytes_max = 64*1024; | 
|  | runtime->hw.period_bytes_max = 64*1024; | 
|  | } | 
|  | if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) | 
|  | return err; | 
|  | runtime->private_data = ichdev; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_playback_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | struct snd_pcm_runtime *runtime = substream->runtime; | 
|  | int err; | 
|  |  | 
|  | err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (chip->multi8) { | 
|  | runtime->hw.channels_max = 8; | 
|  | snd_pcm_hw_constraint_list(runtime, 0, | 
|  | SNDRV_PCM_HW_PARAM_CHANNELS, | 
|  | &hw_constraints_channels8); | 
|  | } else if (chip->multi6) { | 
|  | runtime->hw.channels_max = 6; | 
|  | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, | 
|  | &hw_constraints_channels6); | 
|  | } else if (chip->multi4) { | 
|  | runtime->hw.channels_max = 4; | 
|  | snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, | 
|  | &hw_constraints_channels4); | 
|  | } | 
|  | if (chip->dra) { | 
|  | snd_ac97_pcm_double_rate_rules(runtime); | 
|  | } | 
|  | if (chip->smp20bit) { | 
|  | runtime->hw.formats |= SNDRV_PCM_FMTBIT_S32_LE; | 
|  | snd_pcm_hw_constraint_msbits(runtime, 0, 32, 20); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_playback_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ICHD_PCMOUT].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_capture_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_capture_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ICHD_PCMIN].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_mic_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_mic_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ICHD_MIC].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_mic2_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_mic2_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ICHD_MIC2].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_capture2_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_capture2_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ICHD_PCM2IN].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_spdif_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_spdif_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; | 
|  |  | 
|  | chip->ichd[idx].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_ac97spdifout_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | unsigned int val; | 
|  |  | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | val = igetdword(chip, ICHREG(ALI_INTERFACECR)); | 
|  | val |= ICH_ALI_IF_AC97SP; | 
|  | iputdword(chip, ICHREG(ALI_INTERFACECR), val); | 
|  | /* also needs to set ALI_SC_CODEC_SPDF correctly */ | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_AC97SPDIFOUT]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_ac97spdifout_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  | unsigned int val; | 
|  |  | 
|  | chip->ichd[ALID_AC97SPDIFOUT].substream = NULL; | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | val = igetdword(chip, ICHREG(ALI_INTERFACECR)); | 
|  | val &= ~ICH_ALI_IF_AC97SP; | 
|  | iputdword(chip, ICHREG(ALI_INTERFACECR), val); | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #if 0 // NYI | 
|  | static int snd_intel8x0_ali_spdifin_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_spdifin_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ALID_SPDIFIN].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_spdifout_open(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]); | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_spdifout_close(struct snd_pcm_substream *substream) | 
|  | { | 
|  | struct intel8x0 *chip = snd_pcm_substream_chip(substream); | 
|  |  | 
|  | chip->ichd[ALID_SPDIFOUT].substream = NULL; | 
|  | return 0; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_playback_ops = { | 
|  | .open =		snd_intel8x0_playback_open, | 
|  | .close =	snd_intel8x0_playback_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_capture_ops = { | 
|  | .open =		snd_intel8x0_capture_open, | 
|  | .close =	snd_intel8x0_capture_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_capture_mic_ops = { | 
|  | .open =		snd_intel8x0_mic_open, | 
|  | .close =	snd_intel8x0_mic_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = { | 
|  | .open =		snd_intel8x0_mic2_open, | 
|  | .close =	snd_intel8x0_mic2_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_capture2_ops = { | 
|  | .open =		snd_intel8x0_capture2_open, | 
|  | .close =	snd_intel8x0_capture2_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_spdif_ops = { | 
|  | .open =		snd_intel8x0_spdif_open, | 
|  | .close =	snd_intel8x0_spdif_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_ali_playback_ops = { | 
|  | .open =		snd_intel8x0_playback_open, | 
|  | .close =	snd_intel8x0_playback_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_ali_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_ali_capture_ops = { | 
|  | .open =		snd_intel8x0_capture_open, | 
|  | .close =	snd_intel8x0_capture_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_ali_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = { | 
|  | .open =		snd_intel8x0_mic_open, | 
|  | .close =	snd_intel8x0_mic_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_ali_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = { | 
|  | .open =		snd_intel8x0_ali_ac97spdifout_open, | 
|  | .close =	snd_intel8x0_ali_ac97spdifout_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_ali_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | #if 0 // NYI | 
|  | static struct snd_pcm_ops snd_intel8x0_ali_spdifin_ops = { | 
|  | .open =		snd_intel8x0_ali_spdifin_open, | 
|  | .close =	snd_intel8x0_ali_spdifin_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  |  | 
|  | static struct snd_pcm_ops snd_intel8x0_ali_spdifout_ops = { | 
|  | .open =		snd_intel8x0_ali_spdifout_open, | 
|  | .close =	snd_intel8x0_ali_spdifout_close, | 
|  | .ioctl =	snd_pcm_lib_ioctl, | 
|  | .hw_params =	snd_intel8x0_hw_params, | 
|  | .hw_free =	snd_intel8x0_hw_free, | 
|  | .prepare =	snd_intel8x0_pcm_prepare, | 
|  | .trigger =	snd_intel8x0_pcm_trigger, | 
|  | .pointer =	snd_intel8x0_pcm_pointer, | 
|  | }; | 
|  | #endif // NYI | 
|  |  | 
|  | struct ich_pcm_table { | 
|  | char *suffix; | 
|  | struct snd_pcm_ops *playback_ops; | 
|  | struct snd_pcm_ops *capture_ops; | 
|  | size_t prealloc_size; | 
|  | size_t prealloc_max_size; | 
|  | int ac97_idx; | 
|  | }; | 
|  |  | 
|  | static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device, | 
|  | struct ich_pcm_table *rec) | 
|  | { | 
|  | struct snd_pcm *pcm; | 
|  | int err; | 
|  | char name[32]; | 
|  |  | 
|  | if (rec->suffix) | 
|  | sprintf(name, "Intel ICH - %s", rec->suffix); | 
|  | else | 
|  | strcpy(name, "Intel ICH"); | 
|  | err = snd_pcm_new(chip->card, name, device, | 
|  | rec->playback_ops ? 1 : 0, | 
|  | rec->capture_ops ? 1 : 0, &pcm); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (rec->playback_ops) | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); | 
|  | if (rec->capture_ops) | 
|  | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); | 
|  |  | 
|  | pcm->private_data = chip; | 
|  | pcm->info_flags = 0; | 
|  | if (rec->suffix) | 
|  | sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); | 
|  | else | 
|  | strcpy(pcm->name, chip->card->shortname); | 
|  | chip->pcm[device] = pcm; | 
|  |  | 
|  | snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, | 
|  | snd_dma_pci_data(chip->pci), | 
|  | rec->prealloc_size, rec->prealloc_max_size); | 
|  |  | 
|  | if (rec->ac97_idx == ICHD_PCMOUT && rec->playback_ops) { | 
|  | struct snd_pcm_chmap *chmap; | 
|  | int chs = 2; | 
|  | if (rec->ac97_idx == ICHD_PCMOUT) { | 
|  | if (chip->multi8) | 
|  | chs = 8; | 
|  | else if (chip->multi6) | 
|  | chs = 6; | 
|  | else if (chip->multi4) | 
|  | chs = 4; | 
|  | } | 
|  | err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, | 
|  | snd_pcm_alt_chmaps, chs, 0, | 
|  | &chmap); | 
|  | if (err < 0) | 
|  | return err; | 
|  | chmap->channel_mask = SND_PCM_CHMAP_MASK_2468; | 
|  | chip->ac97[0]->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct ich_pcm_table intel_pcms[] = { | 
|  | { | 
|  | .playback_ops = &snd_intel8x0_playback_ops, | 
|  | .capture_ops = &snd_intel8x0_capture_ops, | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | }, | 
|  | { | 
|  | .suffix = "MIC ADC", | 
|  | .capture_ops = &snd_intel8x0_capture_mic_ops, | 
|  | .prealloc_size = 0, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = ICHD_MIC, | 
|  | }, | 
|  | { | 
|  | .suffix = "MIC2 ADC", | 
|  | .capture_ops = &snd_intel8x0_capture_mic2_ops, | 
|  | .prealloc_size = 0, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = ICHD_MIC2, | 
|  | }, | 
|  | { | 
|  | .suffix = "ADC2", | 
|  | .capture_ops = &snd_intel8x0_capture2_ops, | 
|  | .prealloc_size = 0, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = ICHD_PCM2IN, | 
|  | }, | 
|  | { | 
|  | .suffix = "IEC958", | 
|  | .playback_ops = &snd_intel8x0_spdif_ops, | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = ICHD_SPBAR, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct ich_pcm_table nforce_pcms[] = { | 
|  | { | 
|  | .playback_ops = &snd_intel8x0_playback_ops, | 
|  | .capture_ops = &snd_intel8x0_capture_ops, | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | }, | 
|  | { | 
|  | .suffix = "MIC ADC", | 
|  | .capture_ops = &snd_intel8x0_capture_mic_ops, | 
|  | .prealloc_size = 0, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = NVD_MIC, | 
|  | }, | 
|  | { | 
|  | .suffix = "IEC958", | 
|  | .playback_ops = &snd_intel8x0_spdif_ops, | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = NVD_SPBAR, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct ich_pcm_table ali_pcms[] = { | 
|  | { | 
|  | .playback_ops = &snd_intel8x0_ali_playback_ops, | 
|  | .capture_ops = &snd_intel8x0_ali_capture_ops, | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | }, | 
|  | { | 
|  | .suffix = "MIC ADC", | 
|  | .capture_ops = &snd_intel8x0_ali_capture_mic_ops, | 
|  | .prealloc_size = 0, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = ALID_MIC, | 
|  | }, | 
|  | { | 
|  | .suffix = "IEC958", | 
|  | .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops, | 
|  | /* .capture_ops = &snd_intel8x0_ali_spdifin_ops, */ | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | .ac97_idx = ALID_AC97SPDIFOUT, | 
|  | }, | 
|  | #if 0 // NYI | 
|  | { | 
|  | .suffix = "HW IEC958", | 
|  | .playback_ops = &snd_intel8x0_ali_spdifout_ops, | 
|  | .prealloc_size = 64 * 1024, | 
|  | .prealloc_max_size = 128 * 1024, | 
|  | }, | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | static int snd_intel8x0_pcm(struct intel8x0 *chip) | 
|  | { | 
|  | int i, tblsize, device, err; | 
|  | struct ich_pcm_table *tbl, *rec; | 
|  |  | 
|  | switch (chip->device_type) { | 
|  | case DEVICE_INTEL_ICH4: | 
|  | tbl = intel_pcms; | 
|  | tblsize = ARRAY_SIZE(intel_pcms); | 
|  | if (spdif_aclink) | 
|  | tblsize--; | 
|  | break; | 
|  | case DEVICE_NFORCE: | 
|  | tbl = nforce_pcms; | 
|  | tblsize = ARRAY_SIZE(nforce_pcms); | 
|  | if (spdif_aclink) | 
|  | tblsize--; | 
|  | break; | 
|  | case DEVICE_ALI: | 
|  | tbl = ali_pcms; | 
|  | tblsize = ARRAY_SIZE(ali_pcms); | 
|  | break; | 
|  | default: | 
|  | tbl = intel_pcms; | 
|  | tblsize = 2; | 
|  | break; | 
|  | } | 
|  |  | 
|  | device = 0; | 
|  | for (i = 0; i < tblsize; i++) { | 
|  | rec = tbl + i; | 
|  | if (i > 0 && rec->ac97_idx) { | 
|  | /* activate PCM only when associated AC'97 codec */ | 
|  | if (! chip->ichd[rec->ac97_idx].pcm) | 
|  | continue; | 
|  | } | 
|  | err = snd_intel8x0_pcm1(chip, device, rec); | 
|  | if (err < 0) | 
|  | return err; | 
|  | device++; | 
|  | } | 
|  |  | 
|  | chip->pcm_devs = device; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | *  Mixer part | 
|  | */ | 
|  |  | 
|  | static void snd_intel8x0_mixer_free_ac97_bus(struct snd_ac97_bus *bus) | 
|  | { | 
|  | struct intel8x0 *chip = bus->private_data; | 
|  | chip->ac97_bus = NULL; | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97) | 
|  | { | 
|  | struct intel8x0 *chip = ac97->private_data; | 
|  | chip->ac97[ac97->num] = NULL; | 
|  | } | 
|  |  | 
|  | static struct ac97_pcm ac97_pcm_defs[] = { | 
|  | /* front PCM */ | 
|  | { | 
|  | .exclusive = 1, | 
|  | .r = {	{ | 
|  | .slots = (1 << AC97_SLOT_PCM_LEFT) | | 
|  | (1 << AC97_SLOT_PCM_RIGHT) | | 
|  | (1 << AC97_SLOT_PCM_CENTER) | | 
|  | (1 << AC97_SLOT_PCM_SLEFT) | | 
|  | (1 << AC97_SLOT_PCM_SRIGHT) | | 
|  | (1 << AC97_SLOT_LFE) | 
|  | }, | 
|  | { | 
|  | .slots = (1 << AC97_SLOT_PCM_LEFT) | | 
|  | (1 << AC97_SLOT_PCM_RIGHT) | | 
|  | (1 << AC97_SLOT_PCM_LEFT_0) | | 
|  | (1 << AC97_SLOT_PCM_RIGHT_0) | 
|  | } | 
|  | } | 
|  | }, | 
|  | /* PCM IN #1 */ | 
|  | { | 
|  | .stream = 1, | 
|  | .exclusive = 1, | 
|  | .r = {	{ | 
|  | .slots = (1 << AC97_SLOT_PCM_LEFT) | | 
|  | (1 << AC97_SLOT_PCM_RIGHT) | 
|  | } | 
|  | } | 
|  | }, | 
|  | /* MIC IN #1 */ | 
|  | { | 
|  | .stream = 1, | 
|  | .exclusive = 1, | 
|  | .r = {	{ | 
|  | .slots = (1 << AC97_SLOT_MIC) | 
|  | } | 
|  | } | 
|  | }, | 
|  | /* S/PDIF PCM */ | 
|  | { | 
|  | .exclusive = 1, | 
|  | .spdif = 1, | 
|  | .r = {	{ | 
|  | .slots = (1 << AC97_SLOT_SPDIF_LEFT2) | | 
|  | (1 << AC97_SLOT_SPDIF_RIGHT2) | 
|  | } | 
|  | } | 
|  | }, | 
|  | /* PCM IN #2 */ | 
|  | { | 
|  | .stream = 1, | 
|  | .exclusive = 1, | 
|  | .r = {	{ | 
|  | .slots = (1 << AC97_SLOT_PCM_LEFT) | | 
|  | (1 << AC97_SLOT_PCM_RIGHT) | 
|  | } | 
|  | } | 
|  | }, | 
|  | /* MIC IN #2 */ | 
|  | { | 
|  | .stream = 1, | 
|  | .exclusive = 1, | 
|  | .r = {	{ | 
|  | .slots = (1 << AC97_SLOT_MIC) | 
|  | } | 
|  | } | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct ac97_quirk ac97_quirks[] = { | 
|  | { | 
|  | .subvendor = 0x0e11, | 
|  | .subdevice = 0x000e, | 
|  | .name = "Compaq Deskpro EN",	/* AD1885 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x0e11, | 
|  | .subdevice = 0x008a, | 
|  | .name = "Compaq Evo W4000",	/* AD1885 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x0e11, | 
|  | .subdevice = 0x00b8, | 
|  | .name = "Compaq Evo D510C", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x0e11, | 
|  | .subdevice = 0x0860, | 
|  | .name = "HP/Compaq nx7010", | 
|  | .type = AC97_TUNE_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1014, | 
|  | .subdevice = 0x0534, | 
|  | .name = "ThinkPad X31", | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1014, | 
|  | .subdevice = 0x1f00, | 
|  | .name = "MS-9128", | 
|  | .type = AC97_TUNE_ALC_JACK | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1014, | 
|  | .subdevice = 0x0267, | 
|  | .name = "IBM NetVista A30p",	/* AD1981B */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1025, | 
|  | .subdevice = 0x0082, | 
|  | .name = "Acer Travelmate 2310", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1025, | 
|  | .subdevice = 0x0083, | 
|  | .name = "Acer Aspire 3003LCi", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x00d8, | 
|  | .name = "Dell Precision 530",	/* AD1885 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x010d, | 
|  | .name = "Dell",	/* which model?  AD1885 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0126, | 
|  | .name = "Dell Optiplex GX260",	/* AD1981A */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x012c, | 
|  | .name = "Dell Precision 650",	/* AD1981A */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x012d, | 
|  | .name = "Dell Precision 450",	/* AD1981B*/ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0147, | 
|  | .name = "Dell",	/* which model?  AD1981B*/ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0151, | 
|  | .name = "Dell Optiplex GX270",  /* AD1981B */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x014e, | 
|  | .name = "Dell D800", /* STAC9750/51 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0163, | 
|  | .name = "Dell Unknown",	/* STAC9750/51 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x016a, | 
|  | .name = "Dell Inspiron 8600",	/* STAC9750/51 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0182, | 
|  | .name = "Dell Latitude D610",	/* STAC9750/51 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0186, | 
|  | .name = "Dell Latitude D810", /* cf. Malone #41015 */ | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0188, | 
|  | .name = "Dell Inspiron 6000", | 
|  | .type = AC97_TUNE_HP_MUTE_LED /* cf. Malone #41015 */ | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0189, | 
|  | .name = "Dell Inspiron 9300", | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1028, | 
|  | .subdevice = 0x0191, | 
|  | .name = "Dell Inspiron 8600", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x006d, | 
|  | .name = "HP zv5000", | 
|  | .type = AC97_TUNE_MUTE_LED	/*AD1981B*/ | 
|  | }, | 
|  | {	/* FIXME: which codec? */ | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x00c3, | 
|  | .name = "HP xw6000", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x088c, | 
|  | .name = "HP nc8000", | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x0890, | 
|  | .name = "HP nc6000", | 
|  | .type = AC97_TUNE_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x129d, | 
|  | .name = "HP xw8000", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x0938, | 
|  | .name = "HP nc4200", | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x099c, | 
|  | .name = "HP nx6110/nc6120", | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x0944, | 
|  | .name = "HP nc6220", | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x0934, | 
|  | .name = "HP nc8220", | 
|  | .type = AC97_TUNE_HP_MUTE_LED | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x12f1, | 
|  | .name = "HP xw8200",	/* AD1981B*/ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x12f2, | 
|  | .name = "HP xw6200", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x103c, | 
|  | .subdevice = 0x3008, | 
|  | .name = "HP xw4200",	/* AD1981B*/ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x104d, | 
|  | .subdevice = 0x8144, | 
|  | .name = "Sony", | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x104d, | 
|  | .subdevice = 0x8197, | 
|  | .name = "Sony S1XP", | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x104d, | 
|  | .subdevice = 0x81c0, | 
|  | .name = "Sony VAIO VGN-T350P", /*AD1981B*/ | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x104d, | 
|  | .subdevice = 0x81c5, | 
|  | .name = "Sony VAIO VGN-B1VP", /*AD1981B*/ | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1043, | 
|  | .subdevice = 0x80f3, | 
|  | .name = "ASUS ICH5/AD1985", | 
|  | .type = AC97_TUNE_AD_SHARING | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x11c3, | 
|  | .name = "Fujitsu-Siemens E4010", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x1225, | 
|  | .name = "Fujitsu-Siemens T3010", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x1253, | 
|  | .name = "Fujitsu S6210",	/* STAC9750/51 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x127d, | 
|  | .name = "Fujitsu Lifebook P7010", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x127e, | 
|  | .name = "Fujitsu Lifebook C1211D", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x12ec, | 
|  | .name = "Fujitsu-Siemens 4010", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10cf, | 
|  | .subdevice = 0x12f2, | 
|  | .name = "Fujitsu-Siemens Celsius H320", | 
|  | .type = AC97_TUNE_SWAP_HP | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10f1, | 
|  | .subdevice = 0x2665, | 
|  | .name = "Fujitsu-Siemens Celsius",	/* AD1981? */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10f1, | 
|  | .subdevice = 0x2885, | 
|  | .name = "AMD64 Mobo",	/* ALC650 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10f1, | 
|  | .subdevice = 0x2895, | 
|  | .name = "Tyan Thunder K8WE", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x10f7, | 
|  | .subdevice = 0x834c, | 
|  | .name = "Panasonic CF-R4", | 
|  | .type = AC97_TUNE_HP_ONLY, | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x110a, | 
|  | .subdevice = 0x0056, | 
|  | .name = "Fujitsu-Siemens Scenic",	/* AD1981? */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x11d4, | 
|  | .subdevice = 0x5375, | 
|  | .name = "ADI AD1985 (discrete)", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1462, | 
|  | .subdevice = 0x5470, | 
|  | .name = "MSI P4 ATX 645 Ultra", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x161f, | 
|  | .subdevice = 0x202f, | 
|  | .name = "Gateway M520", | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x161f, | 
|  | .subdevice = 0x203a, | 
|  | .name = "Gateway 4525GZ",		/* AD1981B */ | 
|  | .type = AC97_TUNE_INV_EAPD | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x1734, | 
|  | .subdevice = 0x0088, | 
|  | .name = "Fujitsu-Siemens D1522",	/* AD1981 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0x2000, | 
|  | .mask = 0xfff0, | 
|  | .name = "Intel ICH5/AD1985", | 
|  | .type = AC97_TUNE_AD_SHARING | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0x4000, | 
|  | .mask = 0xfff0, | 
|  | .name = "Intel ICH5/AD1985", | 
|  | .type = AC97_TUNE_AD_SHARING | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0x4856, | 
|  | .name = "Intel D845WN (82801BA)", | 
|  | .type = AC97_TUNE_SWAP_HP | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0x4d44, | 
|  | .name = "Intel D850EMV2",	/* AD1885 */ | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0x4d56, | 
|  | .name = "Intel ICH/AD1885", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0x6000, | 
|  | .mask = 0xfff0, | 
|  | .name = "Intel ICH5/AD1985", | 
|  | .type = AC97_TUNE_AD_SHARING | 
|  | }, | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0xe000, | 
|  | .mask = 0xfff0, | 
|  | .name = "Intel ICH5/AD1985", | 
|  | .type = AC97_TUNE_AD_SHARING | 
|  | }, | 
|  | #if 0 /* FIXME: this seems wrong on most boards */ | 
|  | { | 
|  | .subvendor = 0x8086, | 
|  | .subdevice = 0xa000, | 
|  | .mask = 0xfff0, | 
|  | .name = "Intel ICH5/AD1985", | 
|  | .type = AC97_TUNE_HP_ONLY | 
|  | }, | 
|  | #endif | 
|  | { } /* terminator */ | 
|  | }; | 
|  |  | 
|  | static int snd_intel8x0_mixer(struct intel8x0 *chip, int ac97_clock, | 
|  | const char *quirk_override) | 
|  | { | 
|  | struct snd_ac97_bus *pbus; | 
|  | struct snd_ac97_template ac97; | 
|  | int err; | 
|  | unsigned int i, codecs; | 
|  | unsigned int glob_sta = 0; | 
|  | struct snd_ac97_bus_ops *ops; | 
|  | static struct snd_ac97_bus_ops standard_bus_ops = { | 
|  | .write = snd_intel8x0_codec_write, | 
|  | .read = snd_intel8x0_codec_read, | 
|  | }; | 
|  | static struct snd_ac97_bus_ops ali_bus_ops = { | 
|  | .write = snd_intel8x0_ali_codec_write, | 
|  | .read = snd_intel8x0_ali_codec_read, | 
|  | }; | 
|  |  | 
|  | chip->spdif_idx = -1; /* use PCMOUT (or disabled) */ | 
|  | if (!spdif_aclink) { | 
|  | switch (chip->device_type) { | 
|  | case DEVICE_NFORCE: | 
|  | chip->spdif_idx = NVD_SPBAR; | 
|  | break; | 
|  | case DEVICE_ALI: | 
|  | chip->spdif_idx = ALID_AC97SPDIFOUT; | 
|  | break; | 
|  | case DEVICE_INTEL_ICH4: | 
|  | chip->spdif_idx = ICHD_SPBAR; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | chip->in_ac97_init = 1; | 
|  |  | 
|  | memset(&ac97, 0, sizeof(ac97)); | 
|  | ac97.private_data = chip; | 
|  | ac97.private_free = snd_intel8x0_mixer_free_ac97; | 
|  | ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; | 
|  | if (chip->xbox) | 
|  | ac97.scaps |= AC97_SCAP_DETECT_BY_VENDOR; | 
|  | if (chip->device_type != DEVICE_ALI) { | 
|  | glob_sta = igetdword(chip, ICHREG(GLOB_STA)); | 
|  | ops = &standard_bus_ops; | 
|  | chip->in_sdin_init = 1; | 
|  | codecs = 0; | 
|  | for (i = 0; i < chip->max_codecs; i++) { | 
|  | if (! (glob_sta & chip->codec_bit[i])) | 
|  | continue; | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) { | 
|  | snd_intel8x0_codec_read_test(chip, codecs); | 
|  | chip->ac97_sdin[codecs] = | 
|  | igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; | 
|  | if (snd_BUG_ON(chip->ac97_sdin[codecs] >= 3)) | 
|  | chip->ac97_sdin[codecs] = 0; | 
|  | } else | 
|  | chip->ac97_sdin[codecs] = i; | 
|  | codecs++; | 
|  | } | 
|  | chip->in_sdin_init = 0; | 
|  | if (! codecs) | 
|  | codecs = 1; | 
|  | } else { | 
|  | ops = &ali_bus_ops; | 
|  | codecs = 1; | 
|  | /* detect the secondary codec */ | 
|  | for (i = 0; i < 100; i++) { | 
|  | unsigned int reg = igetdword(chip, ICHREG(ALI_RTSR)); | 
|  | if (reg & 0x40) { | 
|  | codecs = 2; | 
|  | break; | 
|  | } | 
|  | iputdword(chip, ICHREG(ALI_RTSR), reg | 0x40); | 
|  | udelay(1); | 
|  | } | 
|  | } | 
|  | if ((err = snd_ac97_bus(chip->card, 0, ops, chip, &pbus)) < 0) | 
|  | goto __err; | 
|  | pbus->private_free = snd_intel8x0_mixer_free_ac97_bus; | 
|  | if (ac97_clock >= 8000 && ac97_clock <= 48000) | 
|  | pbus->clock = ac97_clock; | 
|  | /* FIXME: my test board doesn't work well with VRA... */ | 
|  | if (chip->device_type == DEVICE_ALI) | 
|  | pbus->no_vra = 1; | 
|  | else | 
|  | pbus->dra = 1; | 
|  | chip->ac97_bus = pbus; | 
|  | chip->ncodecs = codecs; | 
|  |  | 
|  | ac97.pci = chip->pci; | 
|  | for (i = 0; i < codecs; i++) { | 
|  | ac97.num = i; | 
|  | if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { | 
|  | if (err != -EACCES) | 
|  | snd_printk(KERN_ERR "Unable to initialize codec #%d\n", i); | 
|  | if (i == 0) | 
|  | goto __err; | 
|  | } | 
|  | } | 
|  | /* tune up the primary codec */ | 
|  | snd_ac97_tune_hardware(chip->ac97[0], ac97_quirks, quirk_override); | 
|  | /* enable separate SDINs for ICH4 */ | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) | 
|  | pbus->isdin = 1; | 
|  | /* find the available PCM streams */ | 
|  | i = ARRAY_SIZE(ac97_pcm_defs); | 
|  | if (chip->device_type != DEVICE_INTEL_ICH4) | 
|  | i -= 2;		/* do not allocate PCM2IN and MIC2 */ | 
|  | if (chip->spdif_idx < 0) | 
|  | i--;		/* do not allocate S/PDIF */ | 
|  | err = snd_ac97_pcm_assign(pbus, i, ac97_pcm_defs); | 
|  | if (err < 0) | 
|  | goto __err; | 
|  | chip->ichd[ICHD_PCMOUT].pcm = &pbus->pcms[0]; | 
|  | chip->ichd[ICHD_PCMIN].pcm = &pbus->pcms[1]; | 
|  | chip->ichd[ICHD_MIC].pcm = &pbus->pcms[2]; | 
|  | if (chip->spdif_idx >= 0) | 
|  | chip->ichd[chip->spdif_idx].pcm = &pbus->pcms[3]; | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) { | 
|  | chip->ichd[ICHD_PCM2IN].pcm = &pbus->pcms[4]; | 
|  | chip->ichd[ICHD_MIC2].pcm = &pbus->pcms[5]; | 
|  | } | 
|  | /* enable separate SDINs for ICH4 */ | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) { | 
|  | struct ac97_pcm *pcm = chip->ichd[ICHD_PCM2IN].pcm; | 
|  | u8 tmp = igetbyte(chip, ICHREG(SDM)); | 
|  | tmp &= ~(ICH_DI2L_MASK|ICH_DI1L_MASK); | 
|  | if (pcm) { | 
|  | tmp |= ICH_SE;	/* steer enable for multiple SDINs */ | 
|  | tmp |= chip->ac97_sdin[0] << ICH_DI1L_SHIFT; | 
|  | for (i = 1; i < 4; i++) { | 
|  | if (pcm->r[0].codec[i]) { | 
|  | tmp |= chip->ac97_sdin[pcm->r[0].codec[1]->num] << ICH_DI2L_SHIFT; | 
|  | break; | 
|  | } | 
|  | } | 
|  | } else { | 
|  | tmp &= ~ICH_SE; /* steer disable */ | 
|  | } | 
|  | iputbyte(chip, ICHREG(SDM), tmp); | 
|  | } | 
|  | if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_PCM_SLEFT)) { | 
|  | chip->multi4 = 1; | 
|  | if (pbus->pcms[0].r[0].slots & (1 << AC97_SLOT_LFE)) { | 
|  | chip->multi6 = 1; | 
|  | if (chip->ac97[0]->flags & AC97_HAS_8CH) | 
|  | chip->multi8 = 1; | 
|  | } | 
|  | } | 
|  | if (pbus->pcms[0].r[1].rslots[0]) { | 
|  | chip->dra = 1; | 
|  | } | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) { | 
|  | if ((igetdword(chip, ICHREG(GLOB_STA)) & ICH_SAMPLE_CAP) == ICH_SAMPLE_16_20) | 
|  | chip->smp20bit = 1; | 
|  | } | 
|  | if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { | 
|  | /* 48kHz only */ | 
|  | chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000; | 
|  | } | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) { | 
|  | /* use slot 10/11 for SPDIF */ | 
|  | u32 val; | 
|  | val = igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK; | 
|  | val |= ICH_PCM_SPDIF_1011; | 
|  | iputdword(chip, ICHREG(GLOB_CNT), val); | 
|  | snd_ac97_update_bits(chip->ac97[0], AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); | 
|  | } | 
|  | chip->in_ac97_init = 0; | 
|  | return 0; | 
|  |  | 
|  | __err: | 
|  | /* clear the cold-reset bit for the next chance */ | 
|  | if (chip->device_type != DEVICE_ALI) | 
|  | iputdword(chip, ICHREG(GLOB_CNT), | 
|  | igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_AC97COLD); | 
|  | return err; | 
|  | } | 
|  |  | 
|  |  | 
|  | /* | 
|  | * | 
|  | */ | 
|  |  | 
|  | static void do_ali_reset(struct intel8x0 *chip) | 
|  | { | 
|  | iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET); | 
|  | iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383); | 
|  | iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383); | 
|  | iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383); | 
|  | iputdword(chip, ICHREG(ALI_INTERFACECR), | 
|  | ICH_ALI_IF_PI|ICH_ALI_IF_PO); | 
|  | iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000); | 
|  | iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000); | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_SND_AC97_POWER_SAVE | 
|  | static struct snd_pci_quirk ich_chip_reset_mode[] = { | 
|  | SND_PCI_QUIRK(0x1014, 0x051f, "Thinkpad R32", 1), | 
|  | { } /* end */ | 
|  | }; | 
|  |  | 
|  | static int snd_intel8x0_ich_chip_cold_reset(struct intel8x0 *chip) | 
|  | { | 
|  | unsigned int cnt; | 
|  | /* ACLink on, 2 channels */ | 
|  |  | 
|  | if (snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode)) | 
|  | return -EIO; | 
|  |  | 
|  | cnt = igetdword(chip, ICHREG(GLOB_CNT)); | 
|  | cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); | 
|  |  | 
|  | /* do cold reset - the full ac97 powerdown may leave the controller | 
|  | * in a warm state but actually it cannot communicate with the codec. | 
|  | */ | 
|  | iputdword(chip, ICHREG(GLOB_CNT), cnt & ~ICH_AC97COLD); | 
|  | cnt = igetdword(chip, ICHREG(GLOB_CNT)); | 
|  | udelay(10); | 
|  | iputdword(chip, ICHREG(GLOB_CNT), cnt | ICH_AC97COLD); | 
|  | msleep(1); | 
|  | return 0; | 
|  | } | 
|  | #define snd_intel8x0_ich_chip_can_cold_reset(chip) \ | 
|  | (!snd_pci_quirk_lookup(chip->pci, ich_chip_reset_mode)) | 
|  | #else | 
|  | #define snd_intel8x0_ich_chip_cold_reset(chip)	0 | 
|  | #define snd_intel8x0_ich_chip_can_cold_reset(chip) (0) | 
|  | #endif | 
|  |  | 
|  | static int snd_intel8x0_ich_chip_reset(struct intel8x0 *chip) | 
|  | { | 
|  | unsigned long end_time; | 
|  | unsigned int cnt; | 
|  | /* ACLink on, 2 channels */ | 
|  | cnt = igetdword(chip, ICHREG(GLOB_CNT)); | 
|  | cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); | 
|  | /* finish cold or do warm reset */ | 
|  | cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; | 
|  | iputdword(chip, ICHREG(GLOB_CNT), cnt); | 
|  | end_time = (jiffies + (HZ / 4)) + 1; | 
|  | do { | 
|  | if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) | 
|  | return 0; | 
|  | schedule_timeout_uninterruptible(1); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n", | 
|  | igetdword(chip, ICHREG(GLOB_CNT))); | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ich_chip_init(struct intel8x0 *chip, int probing) | 
|  | { | 
|  | unsigned long end_time; | 
|  | unsigned int status, nstatus; | 
|  | unsigned int cnt; | 
|  | int err; | 
|  |  | 
|  | /* put logic to right state */ | 
|  | /* first clear status bits */ | 
|  | status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT; | 
|  | if (chip->device_type == DEVICE_NFORCE) | 
|  | status |= ICH_NVSPINT; | 
|  | cnt = igetdword(chip, ICHREG(GLOB_STA)); | 
|  | iputdword(chip, ICHREG(GLOB_STA), cnt & status); | 
|  |  | 
|  | if (snd_intel8x0_ich_chip_can_cold_reset(chip)) | 
|  | err = snd_intel8x0_ich_chip_cold_reset(chip); | 
|  | else | 
|  | err = snd_intel8x0_ich_chip_reset(chip); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (probing) { | 
|  | /* wait for any codec ready status. | 
|  | * Once it becomes ready it should remain ready | 
|  | * as long as we do not disable the ac97 link. | 
|  | */ | 
|  | end_time = jiffies + HZ; | 
|  | do { | 
|  | status = igetdword(chip, ICHREG(GLOB_STA)) & | 
|  | chip->codec_isr_bits; | 
|  | if (status) | 
|  | break; | 
|  | schedule_timeout_uninterruptible(1); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | if (! status) { | 
|  | /* no codec is found */ | 
|  | snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", | 
|  | igetdword(chip, ICHREG(GLOB_STA))); | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | /* wait for other codecs ready status. */ | 
|  | end_time = jiffies + HZ / 4; | 
|  | while (status != chip->codec_isr_bits && | 
|  | time_after_eq(end_time, jiffies)) { | 
|  | schedule_timeout_uninterruptible(1); | 
|  | status |= igetdword(chip, ICHREG(GLOB_STA)) & | 
|  | chip->codec_isr_bits; | 
|  | } | 
|  |  | 
|  | } else { | 
|  | /* resume phase */ | 
|  | int i; | 
|  | status = 0; | 
|  | for (i = 0; i < chip->ncodecs; i++) | 
|  | if (chip->ac97[i]) | 
|  | status |= chip->codec_bit[chip->ac97_sdin[i]]; | 
|  | /* wait until all the probed codecs are ready */ | 
|  | end_time = jiffies + HZ; | 
|  | do { | 
|  | nstatus = igetdword(chip, ICHREG(GLOB_STA)) & | 
|  | chip->codec_isr_bits; | 
|  | if (status == nstatus) | 
|  | break; | 
|  | schedule_timeout_uninterruptible(1); | 
|  | } while (time_after_eq(end_time, jiffies)); | 
|  | } | 
|  |  | 
|  | if (chip->device_type == DEVICE_SIS) { | 
|  | /* unmute the output on SIS7012 */ | 
|  | iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); | 
|  | } | 
|  | if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { | 
|  | /* enable SPDIF interrupt */ | 
|  | unsigned int val; | 
|  | pci_read_config_dword(chip->pci, 0x4c, &val); | 
|  | val |= 0x1000000; | 
|  | pci_write_config_dword(chip->pci, 0x4c, val); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_ali_chip_init(struct intel8x0 *chip, int probing) | 
|  | { | 
|  | u32 reg; | 
|  | int i = 0; | 
|  |  | 
|  | reg = igetdword(chip, ICHREG(ALI_SCR)); | 
|  | if ((reg & 2) == 0)	/* Cold required */ | 
|  | reg |= 2; | 
|  | else | 
|  | reg |= 1;	/* Warm */ | 
|  | reg &= ~0x80000000;	/* ACLink on */ | 
|  | iputdword(chip, ICHREG(ALI_SCR), reg); | 
|  |  | 
|  | for (i = 0; i < HZ / 2; i++) { | 
|  | if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO)) | 
|  | goto __ok; | 
|  | schedule_timeout_uninterruptible(1); | 
|  | } | 
|  | snd_printk(KERN_ERR "AC'97 reset failed.\n"); | 
|  | if (probing) | 
|  | return -EIO; | 
|  |  | 
|  | __ok: | 
|  | for (i = 0; i < HZ / 2; i++) { | 
|  | reg = igetdword(chip, ICHREG(ALI_RTSR)); | 
|  | if (reg & 0x80) /* primary codec */ | 
|  | break; | 
|  | iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80); | 
|  | schedule_timeout_uninterruptible(1); | 
|  | } | 
|  |  | 
|  | do_ali_reset(chip); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_chip_init(struct intel8x0 *chip, int probing) | 
|  | { | 
|  | unsigned int i, timeout; | 
|  | int err; | 
|  |  | 
|  | if (chip->device_type != DEVICE_ALI) { | 
|  | if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0) | 
|  | return err; | 
|  | iagetword(chip, 0);	/* clear semaphore flag */ | 
|  | } else { | 
|  | if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* disable interrupts */ | 
|  | for (i = 0; i < chip->bdbars_count; i++) | 
|  | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); | 
|  | /* reset channels */ | 
|  | for (i = 0; i < chip->bdbars_count; i++) | 
|  | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | timeout = 100000; | 
|  | while (--timeout != 0) { | 
|  | if ((igetbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset) & ICH_RESETREGS) == 0) | 
|  | break; | 
|  | } | 
|  | if (timeout == 0) | 
|  | printk(KERN_ERR "intel8x0: reset of registers failed?\n"); | 
|  | } | 
|  | /* initialize Buffer Descriptor Lists */ | 
|  | for (i = 0; i < chip->bdbars_count; i++) | 
|  | iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, | 
|  | chip->ichd[i].bdbar_addr); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_free(struct intel8x0 *chip) | 
|  | { | 
|  | unsigned int i; | 
|  |  | 
|  | if (chip->irq < 0) | 
|  | goto __hw_end; | 
|  | /* disable interrupts */ | 
|  | for (i = 0; i < chip->bdbars_count; i++) | 
|  | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); | 
|  | /* reset channels */ | 
|  | for (i = 0; i < chip->bdbars_count; i++) | 
|  | iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); | 
|  | if (chip->device_type == DEVICE_NFORCE && !spdif_aclink) { | 
|  | /* stop the spdif interrupt */ | 
|  | unsigned int val; | 
|  | pci_read_config_dword(chip->pci, 0x4c, &val); | 
|  | val &= ~0x1000000; | 
|  | pci_write_config_dword(chip->pci, 0x4c, val); | 
|  | } | 
|  | /* --- */ | 
|  |  | 
|  | __hw_end: | 
|  | if (chip->irq >= 0) | 
|  | free_irq(chip->irq, chip); | 
|  | if (chip->bdbars.area) { | 
|  | if (chip->fix_nocache) | 
|  | fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 0); | 
|  | snd_dma_free_pages(&chip->bdbars); | 
|  | } | 
|  | if (chip->addr) | 
|  | pci_iounmap(chip->pci, chip->addr); | 
|  | if (chip->bmaddr) | 
|  | pci_iounmap(chip->pci, chip->bmaddr); | 
|  | pci_release_regions(chip->pci); | 
|  | pci_disable_device(chip->pci); | 
|  | kfree(chip); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PM_SLEEP | 
|  | /* | 
|  | * power management | 
|  | */ | 
|  | static int intel8x0_suspend(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pci = to_pci_dev(dev); | 
|  | struct snd_card *card = dev_get_drvdata(dev); | 
|  | struct intel8x0 *chip = card->private_data; | 
|  | int i; | 
|  |  | 
|  | snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); | 
|  | for (i = 0; i < chip->pcm_devs; i++) | 
|  | snd_pcm_suspend_all(chip->pcm[i]); | 
|  | /* clear nocache */ | 
|  | if (chip->fix_nocache) { | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | struct ichdev *ichdev = &chip->ichd[i]; | 
|  | if (ichdev->substream && ichdev->page_attr_changed) { | 
|  | struct snd_pcm_runtime *runtime = ichdev->substream->runtime; | 
|  | if (runtime->dma_area) | 
|  | fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); | 
|  | } | 
|  | } | 
|  | } | 
|  | for (i = 0; i < chip->ncodecs; i++) | 
|  | snd_ac97_suspend(chip->ac97[i]); | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) | 
|  | chip->sdm_saved = igetbyte(chip, ICHREG(SDM)); | 
|  |  | 
|  | if (chip->irq >= 0) { | 
|  | free_irq(chip->irq, chip); | 
|  | chip->irq = -1; | 
|  | } | 
|  | pci_disable_device(pci); | 
|  | pci_save_state(pci); | 
|  | /* The call below may disable built-in speaker on some laptops | 
|  | * after S2RAM.  So, don't touch it. | 
|  | */ | 
|  | /* pci_set_power_state(pci, PCI_D3hot); */ | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int intel8x0_resume(struct device *dev) | 
|  | { | 
|  | struct pci_dev *pci = to_pci_dev(dev); | 
|  | struct snd_card *card = dev_get_drvdata(dev); | 
|  | struct intel8x0 *chip = card->private_data; | 
|  | int i; | 
|  |  | 
|  | pci_set_power_state(pci, PCI_D0); | 
|  | pci_restore_state(pci); | 
|  | if (pci_enable_device(pci) < 0) { | 
|  | printk(KERN_ERR "intel8x0: pci_enable_device failed, " | 
|  | "disabling device\n"); | 
|  | snd_card_disconnect(card); | 
|  | return -EIO; | 
|  | } | 
|  | pci_set_master(pci); | 
|  | snd_intel8x0_chip_init(chip, 0); | 
|  | if (request_irq(pci->irq, snd_intel8x0_interrupt, | 
|  | IRQF_SHARED, KBUILD_MODNAME, chip)) { | 
|  | printk(KERN_ERR "intel8x0: unable to grab IRQ %d, " | 
|  | "disabling device\n", pci->irq); | 
|  | snd_card_disconnect(card); | 
|  | return -EIO; | 
|  | } | 
|  | chip->irq = pci->irq; | 
|  | synchronize_irq(chip->irq); | 
|  |  | 
|  | /* re-initialize mixer stuff */ | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4 && !spdif_aclink) { | 
|  | /* enable separate SDINs for ICH4 */ | 
|  | iputbyte(chip, ICHREG(SDM), chip->sdm_saved); | 
|  | /* use slot 10/11 for SPDIF */ | 
|  | iputdword(chip, ICHREG(GLOB_CNT), | 
|  | (igetdword(chip, ICHREG(GLOB_CNT)) & ~ICH_PCM_SPDIF_MASK) | | 
|  | ICH_PCM_SPDIF_1011); | 
|  | } | 
|  |  | 
|  | /* refill nocache */ | 
|  | if (chip->fix_nocache) | 
|  | fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1); | 
|  |  | 
|  | for (i = 0; i < chip->ncodecs; i++) | 
|  | snd_ac97_resume(chip->ac97[i]); | 
|  |  | 
|  | /* refill nocache */ | 
|  | if (chip->fix_nocache) { | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | struct ichdev *ichdev = &chip->ichd[i]; | 
|  | if (ichdev->substream && ichdev->page_attr_changed) { | 
|  | struct snd_pcm_runtime *runtime = ichdev->substream->runtime; | 
|  | if (runtime->dma_area) | 
|  | fill_nocache(runtime->dma_area, runtime->dma_bytes, 1); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* resume status */ | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | struct ichdev *ichdev = &chip->ichd[i]; | 
|  | unsigned long port = ichdev->reg_offset; | 
|  | if (! ichdev->substream || ! ichdev->suspended) | 
|  | continue; | 
|  | if (ichdev->ichd == ICHD_PCMOUT) | 
|  | snd_intel8x0_setup_pcm_out(chip, ichdev->substream->runtime); | 
|  | iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); | 
|  | iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); | 
|  | iputbyte(chip, port + ICH_REG_OFF_CIV, ichdev->civ); | 
|  | iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); | 
|  | } | 
|  |  | 
|  | snd_power_change_state(card, SNDRV_CTL_POWER_D0); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static SIMPLE_DEV_PM_OPS(intel8x0_pm, intel8x0_suspend, intel8x0_resume); | 
|  | #define INTEL8X0_PM_OPS	&intel8x0_pm | 
|  | #else | 
|  | #define INTEL8X0_PM_OPS	NULL | 
|  | #endif /* CONFIG_PM_SLEEP */ | 
|  |  | 
|  | #define INTEL8X0_TESTBUF_SIZE	32768	/* enough large for one shot */ | 
|  |  | 
|  | static void intel8x0_measure_ac97_clock(struct intel8x0 *chip) | 
|  | { | 
|  | struct snd_pcm_substream *subs; | 
|  | struct ichdev *ichdev; | 
|  | unsigned long port; | 
|  | unsigned long pos, pos1, t; | 
|  | int civ, timeout = 1000, attempt = 1; | 
|  | struct timespec start_time, stop_time; | 
|  |  | 
|  | if (chip->ac97_bus->clock != 48000) | 
|  | return; /* specified in module option */ | 
|  |  | 
|  | __again: | 
|  | subs = chip->pcm[0]->streams[0].substream; | 
|  | if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) { | 
|  | snd_printk(KERN_WARNING "no playback buffer allocated - aborting measure ac97 clock\n"); | 
|  | return; | 
|  | } | 
|  | ichdev = &chip->ichd[ICHD_PCMOUT]; | 
|  | ichdev->physbuf = subs->dma_buffer.addr; | 
|  | ichdev->size = ichdev->fragsize = INTEL8X0_TESTBUF_SIZE; | 
|  | ichdev->substream = NULL; /* don't process interrupts */ | 
|  |  | 
|  | /* set rate */ | 
|  | if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) { | 
|  | snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_bus->clock); | 
|  | return; | 
|  | } | 
|  | snd_intel8x0_setup_periods(chip, ichdev); | 
|  | port = ichdev->reg_offset; | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | chip->in_measurement = 1; | 
|  | /* trigger */ | 
|  | if (chip->device_type != DEVICE_ALI) | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE | ICH_STARTBM); | 
|  | else { | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); | 
|  | iputdword(chip, ICHREG(ALI_DMACR), 1 << ichdev->ali_slot); | 
|  | } | 
|  | do_posix_clock_monotonic_gettime(&start_time); | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  | msleep(50); | 
|  | spin_lock_irq(&chip->reg_lock); | 
|  | /* check the position */ | 
|  | do { | 
|  | civ = igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV); | 
|  | pos1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb); | 
|  | if (pos1 == 0) { | 
|  | udelay(10); | 
|  | continue; | 
|  | } | 
|  | if (civ == igetbyte(chip, ichdev->reg_offset + ICH_REG_OFF_CIV) && | 
|  | pos1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) | 
|  | break; | 
|  | } while (timeout--); | 
|  | if (pos1 == 0) {	/* oops, this value is not reliable */ | 
|  | pos = 0; | 
|  | } else { | 
|  | pos = ichdev->fragsize1; | 
|  | pos -= pos1 << ichdev->pos_shift; | 
|  | pos += ichdev->position; | 
|  | } | 
|  | chip->in_measurement = 0; | 
|  | do_posix_clock_monotonic_gettime(&stop_time); | 
|  | /* stop */ | 
|  | if (chip->device_type == DEVICE_ALI) { | 
|  | iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 16)); | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, 0); | 
|  | while (igetbyte(chip, port + ICH_REG_OFF_CR)) | 
|  | ; | 
|  | } else { | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, 0); | 
|  | while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) | 
|  | ; | 
|  | } | 
|  | iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); | 
|  | spin_unlock_irq(&chip->reg_lock); | 
|  |  | 
|  | if (pos == 0) { | 
|  | snd_printk(KERN_ERR "intel8x0: measure - unreliable DMA position..\n"); | 
|  | __retry: | 
|  | if (attempt < 3) { | 
|  | msleep(300); | 
|  | attempt++; | 
|  | goto __again; | 
|  | } | 
|  | goto __end; | 
|  | } | 
|  |  | 
|  | pos /= 4; | 
|  | t = stop_time.tv_sec - start_time.tv_sec; | 
|  | t *= 1000000; | 
|  | t += (stop_time.tv_nsec - start_time.tv_nsec) / 1000; | 
|  | printk(KERN_INFO "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos); | 
|  | if (t == 0) { | 
|  | snd_printk(KERN_ERR "intel8x0: ?? calculation error..\n"); | 
|  | goto __retry; | 
|  | } | 
|  | pos *= 1000; | 
|  | pos = (pos / t) * 1000 + ((pos % t) * 1000) / t; | 
|  | if (pos < 40000 || pos >= 60000) { | 
|  | /* abnormal value. hw problem? */ | 
|  | printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos); | 
|  | goto __retry; | 
|  | } else if (pos > 40500 && pos < 41500) | 
|  | /* first exception - 41000Hz reference clock */ | 
|  | chip->ac97_bus->clock = 41000; | 
|  | else if (pos > 43600 && pos < 44600) | 
|  | /* second exception - 44100HZ reference clock */ | 
|  | chip->ac97_bus->clock = 44100; | 
|  | else if (pos < 47500 || pos > 48500) | 
|  | /* not 48000Hz, tuning the clock.. */ | 
|  | chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos; | 
|  | __end: | 
|  | printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock); | 
|  | snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0); | 
|  | } | 
|  |  | 
|  | static struct snd_pci_quirk intel8x0_clock_list[] = { | 
|  | SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000), | 
|  | SND_PCI_QUIRK(0x1028, 0x00be, "AD1885", 44100), | 
|  | SND_PCI_QUIRK(0x1028, 0x0177, "AD1980", 48000), | 
|  | SND_PCI_QUIRK(0x1028, 0x01ad, "AD1981B", 48000), | 
|  | SND_PCI_QUIRK(0x1043, 0x80f3, "AD1985", 48000), | 
|  | { }	/* terminator */ | 
|  | }; | 
|  |  | 
|  | static int intel8x0_in_clock_list(struct intel8x0 *chip) | 
|  | { | 
|  | struct pci_dev *pci = chip->pci; | 
|  | const struct snd_pci_quirk *wl; | 
|  |  | 
|  | wl = snd_pci_quirk_lookup(pci, intel8x0_clock_list); | 
|  | if (!wl) | 
|  | return 0; | 
|  | printk(KERN_INFO "intel8x0: white list rate for %04x:%04x is %i\n", | 
|  | pci->subsystem_vendor, pci->subsystem_device, wl->value); | 
|  | chip->ac97_bus->clock = wl->value; | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | #ifdef CONFIG_PROC_FS | 
|  | static void snd_intel8x0_proc_read(struct snd_info_entry * entry, | 
|  | struct snd_info_buffer *buffer) | 
|  | { | 
|  | struct intel8x0 *chip = entry->private_data; | 
|  | unsigned int tmp; | 
|  |  | 
|  | snd_iprintf(buffer, "Intel8x0\n\n"); | 
|  | if (chip->device_type == DEVICE_ALI) | 
|  | return; | 
|  | tmp = igetdword(chip, ICHREG(GLOB_STA)); | 
|  | snd_iprintf(buffer, "Global control        : 0x%08x\n", igetdword(chip, ICHREG(GLOB_CNT))); | 
|  | snd_iprintf(buffer, "Global status         : 0x%08x\n", tmp); | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4) | 
|  | snd_iprintf(buffer, "SDM                   : 0x%08x\n", igetdword(chip, ICHREG(SDM))); | 
|  | snd_iprintf(buffer, "AC'97 codecs ready    :"); | 
|  | if (tmp & chip->codec_isr_bits) { | 
|  | int i; | 
|  | static const char *codecs[3] = { | 
|  | "primary", "secondary", "tertiary" | 
|  | }; | 
|  | for (i = 0; i < chip->max_codecs; i++) | 
|  | if (tmp & chip->codec_bit[i]) | 
|  | snd_iprintf(buffer, " %s", codecs[i]); | 
|  | } else | 
|  | snd_iprintf(buffer, " none"); | 
|  | snd_iprintf(buffer, "\n"); | 
|  | if (chip->device_type == DEVICE_INTEL_ICH4 || | 
|  | chip->device_type == DEVICE_SIS) | 
|  | snd_iprintf(buffer, "AC'97 codecs SDIN     : %i %i %i\n", | 
|  | chip->ac97_sdin[0], | 
|  | chip->ac97_sdin[1], | 
|  | chip->ac97_sdin[2]); | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_proc_init(struct intel8x0 *chip) | 
|  | { | 
|  | struct snd_info_entry *entry; | 
|  |  | 
|  | if (! snd_card_proc_new(chip->card, "intel8x0", &entry)) | 
|  | snd_info_set_text_ops(entry, chip, snd_intel8x0_proc_read); | 
|  | } | 
|  | #else | 
|  | #define snd_intel8x0_proc_init(x) | 
|  | #endif | 
|  |  | 
|  | static int snd_intel8x0_dev_free(struct snd_device *device) | 
|  | { | 
|  | struct intel8x0 *chip = device->device_data; | 
|  | return snd_intel8x0_free(chip); | 
|  | } | 
|  |  | 
|  | struct ich_reg_info { | 
|  | unsigned int int_sta_mask; | 
|  | unsigned int offset; | 
|  | }; | 
|  |  | 
|  | static unsigned int ich_codec_bits[3] = { | 
|  | ICH_PCR, ICH_SCR, ICH_TCR | 
|  | }; | 
|  | static unsigned int sis_codec_bits[3] = { | 
|  | ICH_PCR, ICH_SCR, ICH_SIS_TCR | 
|  | }; | 
|  |  | 
|  | static int snd_intel8x0_inside_vm(struct pci_dev *pci) | 
|  | { | 
|  | int result  = inside_vm; | 
|  | char *msg   = NULL; | 
|  |  | 
|  | /* check module parameter first (override detection) */ | 
|  | if (result >= 0) { | 
|  | msg = result ? "enable (forced) VM" : "disable (forced) VM"; | 
|  | goto fini; | 
|  | } | 
|  |  | 
|  | /* detect KVM and Parallels virtual environments */ | 
|  | result = kvm_para_available(); | 
|  | #ifdef X86_FEATURE_HYPERVISOR | 
|  | result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR); | 
|  | #endif | 
|  | if (!result) | 
|  | goto fini; | 
|  |  | 
|  | /* check for known (emulated) devices */ | 
|  | if (pci->subsystem_vendor == 0x1af4 && | 
|  | pci->subsystem_device == 0x1100) { | 
|  | /* KVM emulated sound, PCI SSID: 1af4:1100 */ | 
|  | msg = "enable KVM"; | 
|  | } else if (pci->subsystem_vendor == 0x1ab8) { | 
|  | /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */ | 
|  | msg = "enable Parallels VM"; | 
|  | } else { | 
|  | msg = "disable (unknown or VT-d) VM"; | 
|  | result = 0; | 
|  | } | 
|  |  | 
|  | fini: | 
|  | if (msg != NULL) | 
|  | printk(KERN_INFO "intel8x0: %s optimization\n", msg); | 
|  |  | 
|  | return result; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_create(struct snd_card *card, | 
|  | struct pci_dev *pci, | 
|  | unsigned long device_type, | 
|  | struct intel8x0 **r_intel8x0) | 
|  | { | 
|  | struct intel8x0 *chip; | 
|  | int err; | 
|  | unsigned int i; | 
|  | unsigned int int_sta_masks; | 
|  | struct ichdev *ichdev; | 
|  | static struct snd_device_ops ops = { | 
|  | .dev_free =	snd_intel8x0_dev_free, | 
|  | }; | 
|  |  | 
|  | static unsigned int bdbars[] = { | 
|  | 3, /* DEVICE_INTEL */ | 
|  | 6, /* DEVICE_INTEL_ICH4 */ | 
|  | 3, /* DEVICE_SIS */ | 
|  | 6, /* DEVICE_ALI */ | 
|  | 4, /* DEVICE_NFORCE */ | 
|  | }; | 
|  | static struct ich_reg_info intel_regs[6] = { | 
|  | { ICH_PIINT, 0 }, | 
|  | { ICH_POINT, 0x10 }, | 
|  | { ICH_MCINT, 0x20 }, | 
|  | { ICH_M2INT, 0x40 }, | 
|  | { ICH_P2INT, 0x50 }, | 
|  | { ICH_SPINT, 0x60 }, | 
|  | }; | 
|  | static struct ich_reg_info nforce_regs[4] = { | 
|  | { ICH_PIINT, 0 }, | 
|  | { ICH_POINT, 0x10 }, | 
|  | { ICH_MCINT, 0x20 }, | 
|  | { ICH_NVSPINT, 0x70 }, | 
|  | }; | 
|  | static struct ich_reg_info ali_regs[6] = { | 
|  | { ALI_INT_PCMIN, 0x40 }, | 
|  | { ALI_INT_PCMOUT, 0x50 }, | 
|  | { ALI_INT_MICIN, 0x60 }, | 
|  | { ALI_INT_CODECSPDIFOUT, 0x70 }, | 
|  | { ALI_INT_SPDIFIN, 0xa0 }, | 
|  | { ALI_INT_SPDIFOUT, 0xb0 }, | 
|  | }; | 
|  | struct ich_reg_info *tbl; | 
|  |  | 
|  | *r_intel8x0 = NULL; | 
|  |  | 
|  | if ((err = pci_enable_device(pci)) < 0) | 
|  | return err; | 
|  |  | 
|  | chip = kzalloc(sizeof(*chip), GFP_KERNEL); | 
|  | if (chip == NULL) { | 
|  | pci_disable_device(pci); | 
|  | return -ENOMEM; | 
|  | } | 
|  | spin_lock_init(&chip->reg_lock); | 
|  | chip->device_type = device_type; | 
|  | chip->card = card; | 
|  | chip->pci = pci; | 
|  | chip->irq = -1; | 
|  |  | 
|  | /* module parameters */ | 
|  | chip->buggy_irq = buggy_irq; | 
|  | chip->buggy_semaphore = buggy_semaphore; | 
|  | if (xbox) | 
|  | chip->xbox = 1; | 
|  |  | 
|  | chip->inside_vm = snd_intel8x0_inside_vm(pci); | 
|  |  | 
|  | if (pci->vendor == PCI_VENDOR_ID_INTEL && | 
|  | pci->device == PCI_DEVICE_ID_INTEL_440MX) | 
|  | chip->fix_nocache = 1; /* enable workaround */ | 
|  |  | 
|  | if ((err = pci_request_regions(pci, card->shortname)) < 0) { | 
|  | kfree(chip); | 
|  | pci_disable_device(pci); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | if (device_type == DEVICE_ALI) { | 
|  | /* ALI5455 has no ac97 region */ | 
|  | chip->bmaddr = pci_iomap(pci, 0, 0); | 
|  | goto port_inited; | 
|  | } | 
|  |  | 
|  | if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */ | 
|  | chip->addr = pci_iomap(pci, 2, 0); | 
|  | else | 
|  | chip->addr = pci_iomap(pci, 0, 0); | 
|  | if (!chip->addr) { | 
|  | snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); | 
|  | snd_intel8x0_free(chip); | 
|  | return -EIO; | 
|  | } | 
|  | if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */ | 
|  | chip->bmaddr = pci_iomap(pci, 3, 0); | 
|  | else | 
|  | chip->bmaddr = pci_iomap(pci, 1, 0); | 
|  | if (!chip->bmaddr) { | 
|  | snd_printk(KERN_ERR "Controller space ioremap problem\n"); | 
|  | snd_intel8x0_free(chip); | 
|  | return -EIO; | 
|  | } | 
|  |  | 
|  | port_inited: | 
|  | chip->bdbars_count = bdbars[device_type]; | 
|  |  | 
|  | /* initialize offsets */ | 
|  | switch (device_type) { | 
|  | case DEVICE_NFORCE: | 
|  | tbl = nforce_regs; | 
|  | break; | 
|  | case DEVICE_ALI: | 
|  | tbl = ali_regs; | 
|  | break; | 
|  | default: | 
|  | tbl = intel_regs; | 
|  | break; | 
|  | } | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | ichdev = &chip->ichd[i]; | 
|  | ichdev->ichd = i; | 
|  | ichdev->reg_offset = tbl[i].offset; | 
|  | ichdev->int_sta_mask = tbl[i].int_sta_mask; | 
|  | if (device_type == DEVICE_SIS) { | 
|  | /* SiS 7012 swaps the registers */ | 
|  | ichdev->roff_sr = ICH_REG_OFF_PICB; | 
|  | ichdev->roff_picb = ICH_REG_OFF_SR; | 
|  | } else { | 
|  | ichdev->roff_sr = ICH_REG_OFF_SR; | 
|  | ichdev->roff_picb = ICH_REG_OFF_PICB; | 
|  | } | 
|  | if (device_type == DEVICE_ALI) | 
|  | ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; | 
|  | /* SIS7012 handles the pcm data in bytes, others are in samples */ | 
|  | ichdev->pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; | 
|  | } | 
|  |  | 
|  | /* allocate buffer descriptor lists */ | 
|  | /* the start of each lists must be aligned to 8 bytes */ | 
|  | if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), | 
|  | chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, | 
|  | &chip->bdbars) < 0) { | 
|  | snd_intel8x0_free(chip); | 
|  | snd_printk(KERN_ERR "intel8x0: cannot allocate buffer descriptors\n"); | 
|  | return -ENOMEM; | 
|  | } | 
|  | /* tables must be aligned to 8 bytes here, but the kernel pages | 
|  | are much bigger, so we don't care (on i386) */ | 
|  | /* workaround for 440MX */ | 
|  | if (chip->fix_nocache) | 
|  | fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1); | 
|  | int_sta_masks = 0; | 
|  | for (i = 0; i < chip->bdbars_count; i++) { | 
|  | ichdev = &chip->ichd[i]; | 
|  | ichdev->bdbar = ((u32 *)chip->bdbars.area) + | 
|  | (i * ICH_MAX_FRAGS * 2); | 
|  | ichdev->bdbar_addr = chip->bdbars.addr + | 
|  | (i * sizeof(u32) * ICH_MAX_FRAGS * 2); | 
|  | int_sta_masks |= ichdev->int_sta_mask; | 
|  | } | 
|  | chip->int_sta_reg = device_type == DEVICE_ALI ? | 
|  | ICH_REG_ALI_INTERRUPTSR : ICH_REG_GLOB_STA; | 
|  | chip->int_sta_mask = int_sta_masks; | 
|  |  | 
|  | pci_set_master(pci); | 
|  |  | 
|  | switch(chip->device_type) { | 
|  | case DEVICE_INTEL_ICH4: | 
|  | /* ICH4 can have three codecs */ | 
|  | chip->max_codecs = 3; | 
|  | chip->codec_bit = ich_codec_bits; | 
|  | chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_TRI; | 
|  | break; | 
|  | case DEVICE_SIS: | 
|  | /* recent SIS7012 can have three codecs */ | 
|  | chip->max_codecs = 3; | 
|  | chip->codec_bit = sis_codec_bits; | 
|  | chip->codec_ready_bits = ICH_PRI | ICH_SRI | ICH_SIS_TRI; | 
|  | break; | 
|  | default: | 
|  | /* others up to two codecs */ | 
|  | chip->max_codecs = 2; | 
|  | chip->codec_bit = ich_codec_bits; | 
|  | chip->codec_ready_bits = ICH_PRI | ICH_SRI; | 
|  | break; | 
|  | } | 
|  | for (i = 0; i < chip->max_codecs; i++) | 
|  | chip->codec_isr_bits |= chip->codec_bit[i]; | 
|  |  | 
|  | if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { | 
|  | snd_intel8x0_free(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* request irq after initializaing int_sta_mask, etc */ | 
|  | if (request_irq(pci->irq, snd_intel8x0_interrupt, | 
|  | IRQF_SHARED, KBUILD_MODNAME, chip)) { | 
|  | snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); | 
|  | snd_intel8x0_free(chip); | 
|  | return -EBUSY; | 
|  | } | 
|  | chip->irq = pci->irq; | 
|  |  | 
|  | if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { | 
|  | snd_intel8x0_free(chip); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | snd_card_set_dev(card, &pci->dev); | 
|  |  | 
|  | *r_intel8x0 = chip; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static struct shortname_table { | 
|  | unsigned int id; | 
|  | const char *s; | 
|  | } shortnames[] = { | 
|  | { PCI_DEVICE_ID_INTEL_82801AA_5, "Intel 82801AA-ICH" }, | 
|  | { PCI_DEVICE_ID_INTEL_82801AB_5, "Intel 82901AB-ICH0" }, | 
|  | { PCI_DEVICE_ID_INTEL_82801BA_4, "Intel 82801BA-ICH2" }, | 
|  | { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" }, | 
|  | { PCI_DEVICE_ID_INTEL_82801CA_5, "Intel 82801CA-ICH3" }, | 
|  | { PCI_DEVICE_ID_INTEL_82801DB_5, "Intel 82801DB-ICH4" }, | 
|  | { PCI_DEVICE_ID_INTEL_82801EB_5, "Intel ICH5" }, | 
|  | { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" }, | 
|  | { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" }, | 
|  | { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" }, | 
|  | { PCI_DEVICE_ID_INTEL_ESB2_14, "Intel ESB2" }, | 
|  | { PCI_DEVICE_ID_SI_7012, "SiS SI7012" }, | 
|  | { PCI_DEVICE_ID_NVIDIA_MCP1_AUDIO, "NVidia nForce" }, | 
|  | { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" }, | 
|  | { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" }, | 
|  | { PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO, "NVidia CK8S" }, | 
|  | { PCI_DEVICE_ID_NVIDIA_CK804_AUDIO, "NVidia CK804" }, | 
|  | { PCI_DEVICE_ID_NVIDIA_CK8_AUDIO, "NVidia CK8" }, | 
|  | { 0x003a, "NVidia MCP04" }, | 
|  | { 0x746d, "AMD AMD8111" }, | 
|  | { 0x7445, "AMD AMD768" }, | 
|  | { 0x5455, "ALi M5455" }, | 
|  | { 0, NULL }, | 
|  | }; | 
|  |  | 
|  | static struct snd_pci_quirk spdif_aclink_defaults[] = { | 
|  | SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1), | 
|  | { } /* end */ | 
|  | }; | 
|  |  | 
|  | /* look up white/black list for SPDIF over ac-link */ | 
|  | static int check_default_spdif_aclink(struct pci_dev *pci) | 
|  | { | 
|  | const struct snd_pci_quirk *w; | 
|  |  | 
|  | w = snd_pci_quirk_lookup(pci, spdif_aclink_defaults); | 
|  | if (w) { | 
|  | if (w->value) | 
|  | snd_printdd(KERN_INFO | 
|  | "intel8x0: Using SPDIF over AC-Link for %s\n", | 
|  | snd_pci_quirk_name(w)); | 
|  | else | 
|  | snd_printdd(KERN_INFO | 
|  | "intel8x0: Using integrated SPDIF DMA for %s\n", | 
|  | snd_pci_quirk_name(w)); | 
|  | return w->value; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_intel8x0_probe(struct pci_dev *pci, | 
|  | const struct pci_device_id *pci_id) | 
|  | { | 
|  | struct snd_card *card; | 
|  | struct intel8x0 *chip; | 
|  | int err; | 
|  | struct shortname_table *name; | 
|  |  | 
|  | err = snd_card_create(index, id, THIS_MODULE, 0, &card); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (spdif_aclink < 0) | 
|  | spdif_aclink = check_default_spdif_aclink(pci); | 
|  |  | 
|  | strcpy(card->driver, "ICH"); | 
|  | if (!spdif_aclink) { | 
|  | switch (pci_id->driver_data) { | 
|  | case DEVICE_NFORCE: | 
|  | strcpy(card->driver, "NFORCE"); | 
|  | break; | 
|  | case DEVICE_INTEL_ICH4: | 
|  | strcpy(card->driver, "ICH4"); | 
|  | } | 
|  | } | 
|  |  | 
|  | strcpy(card->shortname, "Intel ICH"); | 
|  | for (name = shortnames; name->id; name++) { | 
|  | if (pci->device == name->id) { | 
|  | strcpy(card->shortname, name->s); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | if (buggy_irq < 0) { | 
|  | /* some Nforce[2] and ICH boards have problems with IRQ handling. | 
|  | * Needs to return IRQ_HANDLED for unknown irqs. | 
|  | */ | 
|  | if (pci_id->driver_data == DEVICE_NFORCE) | 
|  | buggy_irq = 1; | 
|  | else | 
|  | buggy_irq = 0; | 
|  | } | 
|  |  | 
|  | if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data, | 
|  | &chip)) < 0) { | 
|  | snd_card_free(card); | 
|  | return err; | 
|  | } | 
|  | card->private_data = chip; | 
|  |  | 
|  | if ((err = snd_intel8x0_mixer(chip, ac97_clock, ac97_quirk)) < 0) { | 
|  | snd_card_free(card); | 
|  | return err; | 
|  | } | 
|  | if ((err = snd_intel8x0_pcm(chip)) < 0) { | 
|  | snd_card_free(card); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | snd_intel8x0_proc_init(chip); | 
|  |  | 
|  | snprintf(card->longname, sizeof(card->longname), | 
|  | "%s with %s at irq %i", card->shortname, | 
|  | snd_ac97_get_short_name(chip->ac97[0]), chip->irq); | 
|  |  | 
|  | if (ac97_clock == 0 || ac97_clock == 1) { | 
|  | if (ac97_clock == 0) { | 
|  | if (intel8x0_in_clock_list(chip) == 0) | 
|  | intel8x0_measure_ac97_clock(chip); | 
|  | } else { | 
|  | intel8x0_measure_ac97_clock(chip); | 
|  | } | 
|  | } | 
|  |  | 
|  | if ((err = snd_card_register(card)) < 0) { | 
|  | snd_card_free(card); | 
|  | return err; | 
|  | } | 
|  | pci_set_drvdata(pci, card); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void snd_intel8x0_remove(struct pci_dev *pci) | 
|  | { | 
|  | snd_card_free(pci_get_drvdata(pci)); | 
|  | pci_set_drvdata(pci, NULL); | 
|  | } | 
|  |  | 
|  | static struct pci_driver intel8x0_driver = { | 
|  | .name = KBUILD_MODNAME, | 
|  | .id_table = snd_intel8x0_ids, | 
|  | .probe = snd_intel8x0_probe, | 
|  | .remove = snd_intel8x0_remove, | 
|  | .driver = { | 
|  | .pm = INTEL8X0_PM_OPS, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | module_pci_driver(intel8x0_driver); |