diff options
Diffstat (limited to 'sound/pci/intel8x0.c')
| -rw-r--r-- | sound/pci/intel8x0.c | 2855 |
1 files changed, 2855 insertions, 0 deletions
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c new file mode 100644 index 00000000000..0eb940da9d1 --- /dev/null +++ b/sound/pci/intel8x0.c @@ -0,0 +1,2855 @@ +/* + * ALSA driver for Intel ICH (i8x0) chipsets + * + * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz> + * + * + * This code also contains alpha support for SiS 735 chipsets provided + * by Mike Pieper <mptei@users.sourceforge.net>. We have no datasheet + * for SiS735, so the code is not fully functional. + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + * + */ + +#include <sound/driver.h> +#include <asm/io.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/moduleparam.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> + +MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); +MODULE_DESCRIPTION("Intel 82801AA,82901AB,i810,i820,i830,i840,i845,MX440; SiS 7012; Ali 5455"); +MODULE_LICENSE("GPL"); +MODULE_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,MX440}," + "{SiS,SI7012}," + "{NVidia,nForce Audio}," + "{NVidia,nForce2 Audio}," + "{AMD,AMD768}," + "{AMD,AMD8111}," + "{ALI,M5455}}"); + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ +static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; +static char *ac97_quirk[SNDRV_CARDS]; +static int buggy_irq[SNDRV_CARDS]; +static int xbox[SNDRV_CARDS]; + +#ifdef SUPPORT_MIDI +static int mpu_port[SNDRV_CARDS]; /* disabled */ +#endif + +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, "Index value for Intel i8x0 soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for Intel i8x0 soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable Intel i8x0 soundcard."); +module_param_array(ac97_clock, int, NULL, 0444); +MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect)."); +module_param_array(ac97_quirk, charp, NULL, 0444); +MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); +module_param_array(buggy_irq, bool, NULL, 0444); +MODULE_PARM_DESC(buggy_irq, "Enable workaround for buggy interrupts on some motherboards."); +module_param_array(xbox, bool, NULL, 0444); +MODULE_PARM_DESC(xbox, "Set to 1 for Xbox, if you have problems with the AC'97 codec detection."); + +/* + * Direct registers + */ + +#ifndef PCI_DEVICE_ID_INTEL_82801 +#define PCI_DEVICE_ID_INTEL_82801 0x2415 +#endif +#ifndef PCI_DEVICE_ID_INTEL_82901 +#define PCI_DEVICE_ID_INTEL_82901 0x2425 +#endif +#ifndef PCI_DEVICE_ID_INTEL_82801BA +#define PCI_DEVICE_ID_INTEL_82801BA 0x2445 +#endif +#ifndef PCI_DEVICE_ID_INTEL_440MX +#define PCI_DEVICE_ID_INTEL_440MX 0x7195 +#endif +#ifndef PCI_DEVICE_ID_INTEL_ICH3 +#define PCI_DEVICE_ID_INTEL_ICH3 0x2485 +#endif +#ifndef PCI_DEVICE_ID_INTEL_ICH4 +#define PCI_DEVICE_ID_INTEL_ICH4 0x24c5 +#endif +#ifndef PCI_DEVICE_ID_INTEL_ICH5 +#define PCI_DEVICE_ID_INTEL_ICH5 0x24d5 +#endif +#ifndef PCI_DEVICE_ID_INTEL_ESB_5 +#define PCI_DEVICE_ID_INTEL_ESB_5 0x25a6 +#endif +#ifndef PCI_DEVICE_ID_INTEL_ICH6_18 +#define PCI_DEVICE_ID_INTEL_ICH6_18 0x266e +#endif +#ifndef PCI_DEVICE_ID_INTEL_ICH7_20 +#define PCI_DEVICE_ID_INTEL_ICH7_20 0x27de +#endif +#ifndef PCI_DEVICE_ID_SI_7012 +#define PCI_DEVICE_ID_SI_7012 0x7012 +#endif +#ifndef PCI_DEVICE_ID_NVIDIA_MCP_AUDIO +#define PCI_DEVICE_ID_NVIDIA_MCP_AUDIO 0x01b1 +#endif +#ifndef PCI_DEVICE_ID_NVIDIA_CK804_AUDIO +#define PCI_DEVICE_ID_NVIDIA_CK804_AUDIO 0x0059 +#endif +#ifndef PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO +#define PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO 0x006a +#endif +#ifndef PCI_DEVICE_ID_NVIDIA_CK8_AUDIO +#define PCI_DEVICE_ID_NVIDIA_CK8_AUDIO 0x008a +#endif +#ifndef PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO +#define PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO 0x00da +#endif +#ifndef PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO +#define PCI_DEVICE_ID_NVIDIA_CK8S_AUDIO 0x00ea +#endif + +enum { DEVICE_INTEL, DEVICE_INTEL_ICH4, DEVICE_SIS, DEVICE_ALI, DEVICE_NFORCE }; + +#define ICHREG(x) ICH_REG_##x + +#define DEFINE_REGSET(name,base) \ +enum { \ + ICH_REG_##name##_BDBAR = base + 0x0, /* dword - buffer descriptor list base address */ \ + ICH_REG_##name##_CIV = base + 0x04, /* byte - current index value */ \ + ICH_REG_##name##_LVI = base + 0x05, /* byte - last valid index */ \ + ICH_REG_##name##_SR = base + 0x06, /* byte - status register */ \ + ICH_REG_##name##_PICB = base + 0x08, /* word - position in current buffer */ \ + ICH_REG_##name##_PIV = base + 0x0a, /* byte - prefetched index value */ \ + ICH_REG_##name##_CR = base + 0x0b, /* byte - control register */ \ +}; + +/* busmaster blocks */ +DEFINE_REGSET(OFF, 0); /* offset */ +DEFINE_REGSET(PI, 0x00); /* PCM in */ +DEFINE_REGSET(PO, 0x10); /* PCM out */ +DEFINE_REGSET(MC, 0x20); /* Mic in */ + +/* ICH4 busmaster blocks */ +DEFINE_REGSET(MC2, 0x40); /* Mic in 2 */ +DEFINE_REGSET(PI2, 0x50); /* PCM in 2 */ +DEFINE_REGSET(SP, 0x60); /* SPDIF out */ + +/* values for each busmaster block */ + +/* LVI */ +#define ICH_REG_LVI_MASK 0x1f + +/* SR */ +#define ICH_FIFOE 0x10 /* FIFO error */ +#define ICH_BCIS 0x08 /* buffer completion interrupt status */ +#define ICH_LVBCI 0x04 /* last valid buffer completion interrupt */ +#define ICH_CELV 0x02 /* current equals last valid */ +#define ICH_DCH 0x01 /* DMA controller halted */ + +/* PIV */ +#define ICH_REG_PIV_MASK 0x1f /* mask */ + +/* CR */ +#define ICH_IOCE 0x10 /* interrupt on completion enable */ +#define ICH_FEIE 0x08 /* fifo error interrupt enable */ +#define ICH_LVBIE 0x04 /* last valid buffer interrupt enable */ +#define ICH_RESETREGS 0x02 /* reset busmaster registers */ +#define ICH_STARTBM 0x01 /* start busmaster operation */ + + +/* global block */ +#define ICH_REG_GLOB_CNT 0x2c /* dword - global control */ +#define ICH_PCM_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 /* 6 channels (not all chips) */ +#define ICH_PCM_6 0x00200000 /* 6 channels (not all chips) */ +#define ICH_PCM_4 0x00100000 /* 4 channels (not all chips) */ +#define ICH_PCM_2 0x00000000 /* 2 channels (stereo) */ +#define ICH_SIS_PCM_246_MASK 0x000000c0 /* 6 channels (SIS7012) */ +#define ICH_SIS_PCM_6 0x00000080 /* 6 channels (SIS7012) */ +#define ICH_SIS_PCM_4 0x00000040 /* 4 channels (SIS7012) */ +#define ICH_SIS_PCM_2 0x00000000 /* 2 channels (SIS7012) */ +#define ICH_TRIE 0x00000040 /* tertiary resume interrupt enable */ +#define ICH_SRIE 0x00000020 /* secondary resume interrupt enable */ +#define ICH_PRIE 0x00000010 /* primary resume interrupt enable */ +#define ICH_ACLINK 0x00000008 /* AClink shut off */ +#define ICH_AC97WARM 0x00000004 /* AC'97 warm reset */ +#define ICH_AC97COLD 0x00000002 /* AC'97 cold reset */ +#define ICH_GIE 0x00000001 /* GPI interrupt enable */ +#define ICH_REG_GLOB_STA 0x30 /* dword - global status */ +#define ICH_TRI 0x20000000 /* ICH4: tertiary (AC_SDIN2) resume interrupt */ +#define ICH_TCR 0x10000000 /* ICH4: tertiary (AC_SDIN2) codec ready */ +#define ICH_BCS 0x08000000 /* ICH4: bit clock stopped */ +#define ICH_SPINT 0x04000000 /* ICH4: S/PDIF interrupt */ +#define ICH_P2INT 0x02000000 /* ICH4: PCM2-In interrupt */ +#define ICH_M2INT 0x01000000 /* ICH4: Mic2-In interrupt */ +#define ICH_SAMPLE_CAP 0x00c00000 /* ICH4: sample capability bits (RO) */ +#define ICH_SAMPLE_16_20 0x00400000 /* ICH4: 16- and 20-bit samples */ +#define ICH_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ +#define ICH_MD3 0x00020000 /* modem power down semaphore */ +#define ICH_AD3 0x00010000 /* audio power down semaphore */ +#define ICH_RCS 0x00008000 /* read completion status */ +#define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ +#define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ +#define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ +#define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ +#define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ +#define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ +#define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ +#define ICH_MCINT 0x00000080 /* MIC capture interrupt */ +#define ICH_POINT 0x00000040 /* playback interrupt */ +#define ICH_PIINT 0x00000020 /* capture interrupt */ +#define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ +#define ICH_MOINT 0x00000004 /* modem playback interrupt */ +#define ICH_MIINT 0x00000002 /* modem capture interrupt */ +#define ICH_GSCI 0x00000001 /* GPI status change interrupt */ +#define ICH_REG_ACC_SEMA 0x34 /* byte - codec write semaphore */ +#define ICH_CAS 0x01 /* codec access semaphore */ +#define ICH_REG_SDM 0x80 +#define ICH_DI2L_MASK 0x000000c0 /* PCM In 2, Mic In 2 data in line */ +#define ICH_DI2L_SHIFT 6 +#define ICH_DI1L_MASK 0x00000030 /* PCM In 1, Mic In 1 data in line */ +#define ICH_DI1L_SHIFT 4 +#define ICH_SE 0x00000008 /* steer enable */ +#define ICH_LDI_MASK 0x00000003 /* last codec read data input */ + +#define ICH_MAX_FRAGS 32 /* max hw frags */ + + +/* + * registers for Ali5455 + */ + +/* ALi 5455 busmaster blocks */ +DEFINE_REGSET(AL_PI, 0x40); /* ALi PCM in */ +DEFINE_REGSET(AL_PO, 0x50); /* Ali PCM out */ +DEFINE_REGSET(AL_MC, 0x60); /* Ali Mic in */ +DEFINE_REGSET(AL_CDC_SPO, 0x70); /* Ali Codec SPDIF out */ +DEFINE_REGSET(AL_CENTER, 0x80); /* Ali center out */ +DEFINE_REGSET(AL_LFE, 0x90); /* Ali center out */ +DEFINE_REGSET(AL_CLR_SPI, 0xa0); /* Ali Controller SPDIF in */ +DEFINE_REGSET(AL_CLR_SPO, 0xb0); /* Ali Controller SPDIF out */ +DEFINE_REGSET(AL_I2S, 0xc0); /* Ali I2S in */ +DEFINE_REGSET(AL_PI2, 0xd0); /* Ali PCM2 in */ +DEFINE_REGSET(AL_MC2, 0xe0); /* Ali Mic2 in */ + +enum { + ICH_REG_ALI_SCR = 0x00, /* System Control Register */ + ICH_REG_ALI_SSR = 0x04, /* System Status Register */ + ICH_REG_ALI_DMACR = 0x08, /* DMA Control Register */ + ICH_REG_ALI_FIFOCR1 = 0x0c, /* FIFO Control Register 1 */ + ICH_REG_ALI_INTERFACECR = 0x10, /* Interface Control Register */ + ICH_REG_ALI_INTERRUPTCR = 0x14, /* Interrupt control Register */ + ICH_REG_ALI_INTERRUPTSR = 0x18, /* Interrupt Status Register */ + ICH_REG_ALI_FIFOCR2 = 0x1c, /* FIFO Control Register 2 */ + ICH_REG_ALI_CPR = 0x20, /* Command Port Register */ + ICH_REG_ALI_CPR_ADDR = 0x22, /* ac97 addr write */ + ICH_REG_ALI_SPR = 0x24, /* Status Port Register */ + ICH_REG_ALI_SPR_ADDR = 0x26, /* ac97 addr read */ + ICH_REG_ALI_FIFOCR3 = 0x2c, /* FIFO Control Register 3 */ + ICH_REG_ALI_TTSR = 0x30, /* Transmit Tag Slot Register */ + ICH_REG_ALI_RTSR = 0x34, /* Receive Tag Slot Register */ + ICH_REG_ALI_CSPSR = 0x38, /* Command/Status Port Status Register */ + ICH_REG_ALI_CAS = 0x3c, /* Codec Write Semaphore Register */ + ICH_REG_ALI_HWVOL = 0xf0, /* hardware volume control/status */ + ICH_REG_ALI_I2SCR = 0xf4, /* I2S control/status */ + ICH_REG_ALI_SPDIFCSR = 0xf8, /* spdif channel status register */ + ICH_REG_ALI_SPDIFICS = 0xfc, /* spdif interface control/status */ +}; + +#define ALI_CAS_SEM_BUSY 0x80000000 +#define ALI_CPR_ADDR_SECONDARY 0x100 +#define ALI_CPR_ADDR_READ 0x80 +#define ALI_CSPSR_CODEC_READY 0x08 +#define ALI_CSPSR_READ_OK 0x02 +#define ALI_CSPSR_WRITE_OK 0x01 + +/* interrupts for the whole chip by interrupt status register finish */ + +#define ALI_INT_MICIN2 (1<<26) +#define ALI_INT_PCMIN2 (1<<25) +#define ALI_INT_I2SIN (1<<24) +#define ALI_INT_SPDIFOUT (1<<23) /* controller spdif out INTERRUPT */ +#define ALI_INT_SPDIFIN (1<<22) +#define ALI_INT_LFEOUT (1<<21) +#define ALI_INT_CENTEROUT (1<<20) +#define ALI_INT_CODECSPDIFOUT (1<<19) +#define ALI_INT_MICIN (1<<18) +#define ALI_INT_PCMOUT (1<<17) +#define ALI_INT_PCMIN (1<<16) +#define ALI_INT_CPRAIS (1<<7) /* command port available */ +#define ALI_INT_SPRAIS (1<<5) /* status port available */ +#define ALI_INT_GPIO (1<<1) +#define ALI_INT_MASK (ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN) + +#define ICH_ALI_SC_RESET (1<<31) /* master reset */ +#define ICH_ALI_SC_AC97_DBL (1<<30) +#define ICH_ALI_SC_CODEC_SPDF (3<<20) /* 1=7/8, 2=6/9, 3=10/11 */ +#define ICH_ALI_SC_IN_BITS (3<<18) +#define ICH_ALI_SC_OUT_BITS (3<<16) +#define ICH_ALI_SC_6CH_CFG (3<<14) +#define ICH_ALI_SC_PCM_4 (1<<8) +#define ICH_ALI_SC_PCM_6 (2<<8) +#define ICH_ALI_SC_PCM_246_MASK (3<<8) + +#define ICH_ALI_SS_SEC_ID (3<<5) +#define ICH_ALI_SS_PRI_ID (3<<3) + +#define ICH_ALI_IF_AC97SP (1<<21) +#define ICH_ALI_IF_MC (1<<20) +#define ICH_ALI_IF_PI (1<<19) +#define ICH_ALI_IF_MC2 (1<<18) +#define ICH_ALI_IF_PI2 (1<<17) +#define ICH_ALI_IF_LINE_SRC (1<<15) /* 0/1 = slot 3/6 */ +#define ICH_ALI_IF_MIC_SRC (1<<14) /* 0/1 = slot 3/6 */ +#define ICH_ALI_IF_SPDF_SRC (3<<12) /* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */ +#define ICH_ALI_IF_AC97_OUT (3<<8) /* 00 = PCM, 10 = spdif-in, 11 = i2s */ +#define ICH_ALI_IF_PO_SPDF (1<<3) +#define ICH_ALI_IF_PO (1<<1) + +/* + * + */ + +enum { ICHD_PCMIN, ICHD_PCMOUT, ICHD_MIC, ICHD_MIC2, ICHD_PCM2IN, ICHD_SPBAR, ICHD_LAST = ICHD_SPBAR }; +enum { NVD_PCMIN, NVD_PCMOUT, NVD_MIC, NVD_SPBAR, NVD_LAST = NVD_SPBAR }; +enum { ALID_PCMIN, ALID_PCMOUT, ALID_MIC, ALID_AC97SPDIFOUT, ALID_SPDIFIN, ALID_SPDIFOUT, ALID_LAST = ALID_SPDIFOUT }; + +#define get_ichdev(substream) (ichdev_t *)(substream->runtime->private_data) + +typedef struct { + unsigned int ichd; /* ich device number */ + unsigned long reg_offset; /* offset to bmaddr */ + u32 *bdbar; /* CPU address (32bit) */ + unsigned int bdbar_addr; /* PCI bus address (32bit) */ + snd_pcm_substream_t *substream; + unsigned int physbuf; /* physical address (32bit) */ + unsigned int size; + unsigned int fragsize; + unsigned int fragsize1; + unsigned int position; + unsigned int pos_shift; + 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; +} ichdev_t; + +typedef struct _snd_intel8x0 intel8x0_t; + +struct _snd_intel8x0 { + unsigned int device_type; + + int irq; + + unsigned int mmio; + unsigned long addr; + void __iomem *remap_addr; + unsigned int bm_mmio; + unsigned long bmaddr; + void __iomem *remap_bmaddr; + + struct pci_dev *pci; + snd_card_t *card; + + int pcm_devs; + snd_pcm_t *pcm[6]; + ichdev_t ichd[6]; + + unsigned multi4: 1, + multi6: 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 */ + + int spdif_idx; /* SPDIF BAR index; *_SPBAR or -1 if use PCMOUT */ + + ac97_bus_t *ac97_bus; + ac97_t *ac97[3]; + unsigned int ac97_sdin[3]; + + 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 struct pci_device_id snd_intel8x0_ids[] = { + { 0x8086, 0x2415, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */ + { 0x8086, 0x2425, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */ + { 0x8086, 0x2445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */ + { 0x8086, 0x2485, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */ + { 0x8086, 0x24c5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH4 */ + { 0x8086, 0x24d5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH5 */ + { 0x8086, 0x25a6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ESB */ + { 0x8086, 0x266e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH6 */ + { 0x8086, 0x27de, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL_ICH4 }, /* ICH7 */ + { 0x8086, 0x7195, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */ + { 0x1039, 0x7012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7012 */ + { 0x10de, 0x01b1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */ + { 0x10de, 0x003a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* MCP04 */ + { 0x10de, 0x006a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */ + { 0x10de, 0x0059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK804 */ + { 0x10de, 0x008a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK8 */ + { 0x10de, 0x00da, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */ + { 0x10de, 0x00ea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* CK8S */ + { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */ + { 0x1022, 0x7445, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */ + { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */ + { 0, } +}; + +MODULE_DEVICE_TABLE(pci, snd_intel8x0_ids); + +/* + * Lowlevel I/O - busmaster + */ + +static u8 igetbyte(intel8x0_t *chip, u32 offset) +{ + if (chip->bm_mmio) + return readb(chip->remap_bmaddr + offset); + else + return inb(chip->bmaddr + offset); +} + +static u16 igetword(intel8x0_t *chip, u32 offset) +{ + if (chip->bm_mmio) + return readw(chip->remap_bmaddr + offset); + else + return inw(chip->bmaddr + offset); +} + +static u32 igetdword(intel8x0_t *chip, u32 offset) +{ + if (chip->bm_mmio) + return readl(chip->remap_bmaddr + offset); + else + return inl(chip->bmaddr + offset); +} + +static void iputbyte(intel8x0_t *chip, u32 offset, u8 val) +{ + if (chip->bm_mmio) + writeb(val, chip->remap_bmaddr + offset); + else + outb(val, chip->bmaddr + offset); +} + +static void iputword(intel8x0_t *chip, u32 offset, u16 val) +{ + if (chip->bm_mmio) + writew(val, chip->remap_bmaddr + offset); + else + outw(val, chip->bmaddr + offset); +} + +static void iputdword(intel8x0_t *chip, u32 offset, u32 val) +{ + if (chip->bm_mmio) + writel(val, chip->remap_bmaddr + offset); + else + outl(val, chip->bmaddr + offset); +} + +/* + * Lowlevel I/O - AC'97 registers + */ + +static u16 iagetword(intel8x0_t *chip, u32 offset) +{ + if (chip->mmio) + return readw(chip->remap_addr + offset); + else + return inw(chip->addr + offset); +} + +static void iaputword(intel8x0_t *chip, u32 offset, u16 val) +{ + if (chip->mmio) + writew(val, chip->remap_addr + offset); + else + outw(val, chip->addr + offset); +} + +/* + * Basic I/O + */ + +/* + * access to AC97 codec via normal i/o (for ICH and SIS7012) + */ + +/* return the GLOB_STA bit for the corresponding codec */ +static unsigned int get_ich_codec_bit(intel8x0_t *chip, unsigned int codec) +{ + static unsigned int codec_bit[3] = { + ICH_PCR, ICH_SCR, ICH_TCR + }; + snd_assert(codec < 3, return ICH_PCR); + if (chip->device_type == DEVICE_INTEL_ICH4) + codec = chip->ac97_sdin[codec]; + return codec_bit[codec]; +} + +static int snd_intel8x0_codec_semaphore(intel8x0_t *chip, unsigned int codec) +{ + int time; + + if (codec > 2) + return -EIO; + if (chip->in_sdin_init) { + /* we don't know the ready bit assignment at the moment */ + /* so we check any */ + codec = ICH_PCR | ICH_SCR | ICH_TCR; + } else { + codec = get_ich_codec_bit(chip, codec); + } + + /* codec ready ? */ + if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) + return -EIO; + + /* Anyone holding a semaphore for 1 msec should be shot... */ + time = 100; + do { + if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) + return 0; + udelay(10); + } while (time--); + + /* access to some forbidden (non existant) ac97 registers will not + * reset the semaphore. So even if you don't get the semaphore, still + * continue the access. We don't need the semaphore anyway. */ + snd_printk("codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", + igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); + iagetword(chip, 0); /* clear semaphore flag */ + /* I don't care about the semaphore */ + return -EBUSY; +} + +static void snd_intel8x0_codec_write(ac97_t *ac97, + unsigned short reg, + unsigned short val) +{ + intel8x0_t *chip = ac97->private_data; + + if (snd_intel8x0_codec_semaphore(chip, ac97->num) < 0) { + if (! chip->in_ac97_init) + snd_printk("codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); + } + iaputword(chip, reg + ac97->num * 0x80, val); +} + +static unsigned short snd_intel8x0_codec_read(ac97_t *ac97, + unsigned short reg) +{ + intel8x0_t *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("codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); + res = 0xffff; + } else { + res = iagetword(chip, reg + ac97->num * 0x80); + if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { + /* reset RCS and preserve other R/WC bits */ + iputdword(chip, ICHREG(GLOB_STA), tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); + if (! chip->in_ac97_init) + snd_printk("codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); + res = 0xffff; + } + } + return res; +} + +static void snd_intel8x0_codec_read_test(intel8x0_t *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 & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); + } + } +} + +/* + * access to AC97 for Ali5455 + */ +static int snd_intel8x0_ali_codec_ready(intel8x0_t *chip, int mask) +{ + int count = 0; + for (count = 0; count < 0x7f; count++) { + int val = igetbyte(chip, ICHREG(ALI_CSPSR)); + if (val & mask) + return 0; + } + snd_printd(KERN_WARNING "intel8x0: AC97 codec ready timeout.\n"); + return -EBUSY; +} + +static int snd_intel8x0_ali_codec_semaphore(intel8x0_t *chip) +{ + int time = 100; + while (time-- && (igetdword(chip, ICHREG(ALI_CAS)) & ALI_CAS_SEM_BUSY)) + udelay(1); + if (! time) + snd_printk(KERN_WARNING "ali_codec_semaphore timeout\n"); + return snd_intel8x0_ali_codec_ready(chip, ALI_CSPSR_CODEC_READY); +} + +static unsigned short snd_intel8x0_ali_codec_read(ac97_t *ac97, unsigned short reg) +{ + intel8x0_t *chip = 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(ac97_t *ac97, unsigned short reg, unsigned short val) +{ + intel8x0_t *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(intel8x0_t *chip, ichdev_t *ichdev) +{ + int idx; + u32 *bdbar = ichdev->bdbar; + unsigned long port = ichdev->reg_offset; + + iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); + if (ichdev->size == ichdev->fragsize) { + ichdev->ack_reload = ichdev->ack = 2; + ichdev->fragsize1 = ichdev->fragsize >> 1; + for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { + bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); + bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ + ichdev->fragsize1 >> 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); + // printk("bdbar[%i] = 0x%x [0x%x]\n", idx + 0, bdbar[idx + 0], bdbar[idx + 1]); + } + ichdev->frags = ichdev->size / ichdev->fragsize; + } + iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); + ichdev->civ = 0; + iputbyte(chip, port + ICH_REG_OFF_CIV, 0); + ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; + ichdev->position = 0; +#if 0 + printk("lvi_frag = %i, frags = %i, period_size = 0x%x, period_size1 = 0x%x\n", + ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, ichdev->fragsize1); +#endif + /* clear interrupts */ + iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); +} + +#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://www.intel.com/design/chipsets/specupdt/245051.htm + */ +static void fill_nocache(void *buf, int size, int nocache) +{ + size = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; + change_page_attr(virt_to_page(buf), size, nocache ? PAGE_KERNEL_NOCACHE : PAGE_KERNEL); + global_flush_tlb(); +} +#else +#define fill_nocache(buf,size,nocache) +#endif + +/* + * Interrupt handler + */ + +static inline void snd_intel8x0_update(intel8x0_t *chip, ichdev_t *ichdev) +{ + unsigned long port = ichdev->reg_offset; + int status, civ, i, step; + int ack = 0; + + spin_lock(&chip->reg_lock); + 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); + // printk("new: bdbar[%i] = 0x%x [0x%x], prefetch = %i, all = 0x%x, 0x%x\n", ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), inl(port + 4), inb(port + ICH_REG_OFF_CR)); + if (--ichdev->ack == 0) { + ichdev->ack = ichdev->ack_reload; + ack = 1; + } + } + spin_unlock(&chip->reg_lock); + 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 pt_regs *regs) +{ + intel8x0_t *chip = dev_id; + ichdev_t *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(snd_pcm_substream_t *substream, int cmd) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + ichdev_t *ichdev = get_ichdev(substream); + unsigned char val = 0; + unsigned long port = ichdev->reg_offset; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + val = ICH_IOCE | ICH_STARTBM; + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + val = 0; + break; + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + val = ICH_IOCE; + break; + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + val = ICH_IOCE | ICH_STARTBM; + break; + default: + return -EINVAL; + } + iputbyte(chip, port + ICH_REG_OFF_CR, val); + if (cmd == SNDRV_PCM_TRIGGER_STOP) { + /* wait until DMA stopped */ + while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; + /* reset whole DMA things */ + iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); + } + return 0; +} + +static int snd_intel8x0_ali_trigger(snd_pcm_substream_t *substream, int cmd) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + ichdev_t *ichdev = get_ichdev(substream); + unsigned long port = ichdev->reg_offset; + static int fiforeg[] = { ICHREG(ALI_FIFOCR1), ICHREG(ALI_FIFOCR2), ICHREG(ALI_FIFOCR3) }; + unsigned int val, fifo; + + val = igetdword(chip, ICHREG(ALI_DMACR)); + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + case SNDRV_PCM_TRIGGER_RESUME: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + /* clear FIFO for synchronization of channels */ + fifo = igetdword(chip, fiforeg[ichdev->ali_slot / 4]); + fifo &= ~(0xff << (ichdev->ali_slot % 4)); + fifo |= 0x83 << (ichdev->ali_slot % 4); + iputdword(chip, fiforeg[ichdev->ali_slot / 4], fifo); + } + iputbyte(chip, port + ICH_REG_OFF_CR, ICH_IOCE); + val &= ~(1 << (ichdev->ali_slot + 16)); /* clear PAUSE flag */ + iputdword(chip, ICHREG(ALI_DMACR), val | (1 << ichdev->ali_slot)); /* start DMA */ + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + case SNDRV_PCM_TRIGGER_SUSPEND: + iputdword(chip, ICHREG(ALI_DMACR), val | (1 << (ichdev->ali_slot + 16))); /* pause */ + iputbyte(chip, port + ICH_REG_OFF_CR, 0); + while (igetbyte(chip, port + ICH_REG_OFF_CR)) + ; + if (cmd == SNDRV_PCM_TRIGGER_PAUSE_PUSH) + break; + /* reset whole DMA things */ + iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); + /* clear interrupts */ + iputbyte(chip, port + ICH_REG_OFF_SR, igetbyte(chip, port + ICH_REG_OFF_SR) | 0x1e); + iputdword(chip, ICHREG(ALI_INTERRUPTSR), + igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ichdev->int_sta_mask); + break; + default: + return -EINVAL; + } + return 0; +} + +static int snd_intel8x0_hw_params(snd_pcm_substream_t * substream, + snd_pcm_hw_params_t * hw_params) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + ichdev_t *ichdev = get_ichdev(substream); + snd_pcm_runtime_t *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(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + ichdev_t *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(intel8x0_t *chip, + snd_pcm_runtime_t *runtime) +{ + unsigned int cnt; + int dbl = runtime->rate > 48000; + 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; + 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; + } +} + +static int snd_intel8x0_pcm_prepare(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + ichdev_t *ichdev = get_ichdev(substream); + + ichdev->physbuf = runtime->dma_addr; + ichdev->size = snd_pcm_lib_buffer_bytes(substream); + ichdev->fragsize = snd_pcm_lib_period_bytes(substream); + spin_lock_irq(&chip->reg_lock); + 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); + spin_unlock_irq(&chip->reg_lock); + return 0; +} + +static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + ichdev_t *ichdev = get_ichdev(substream); + size_t ptr1, ptr; + int civ, timeout = 100; + 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) && + ptr1 == igetword(chip, ichdev->reg_offset + ichdev->roff_picb)) + break; + } while (timeout--); + ptr1 <<= ichdev->pos_shift; + ptr = ichdev->fragsize1 - ptr1; + ptr += position; + spin_unlock(&chip->reg_lock); + if (ptr >= ichdev->size) + return 0; + return bytes_to_frames(substream->runtime, ptr); +} + +static snd_pcm_hardware_t snd_intel8x0_stream = +{ + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME), + .formats = SNDRV_PCM_FMTBIT_S16_LE, + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, + .channels_min = 2, + .channels_max = 2, + .buffer_bytes_max = 128 * 1024, + .period_bytes_min = 32, + .period_bytes_max = 128 * 1024, + .periods_min = 1, + .periods_max = 1024, + .fifo_size = 0, +}; + +static unsigned int channels4[] = { + 2, 4, +}; + +static snd_pcm_hw_constraint_list_t hw_constraints_channels4 = { + .count = ARRAY_SIZE(channels4), + .list = channels4, + .mask = 0, +}; + +static unsigned int channels6[] = { + 2, 4, 6, +}; + +static snd_pcm_hw_constraint_list_t hw_constraints_channels6 = { + .count = ARRAY_SIZE(channels6), + .list = channels6, + .mask = 0, +}; + +static int snd_intel8x0_pcm_open(snd_pcm_substream_t * substream, ichdev_t *ichdev) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + 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(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + snd_pcm_runtime_t *runtime = substream->runtime; + int err; + + err = snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMOUT]); + if (err < 0) + return err; + + 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(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ICHD_PCMOUT].substream = NULL; + return 0; +} + +static int snd_intel8x0_capture_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCMIN]); +} + +static int snd_intel8x0_capture_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ICHD_PCMIN].substream = NULL; + return 0; +} + +static int snd_intel8x0_mic_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC]); +} + +static int snd_intel8x0_mic_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ICHD_MIC].substream = NULL; + return 0; +} + +static int snd_intel8x0_mic2_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_MIC2]); +} + +static int snd_intel8x0_mic2_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ICHD_MIC2].substream = NULL; + return 0; +} + +static int snd_intel8x0_capture2_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + return snd_intel8x0_pcm_open(substream, &chip->ichd[ICHD_PCM2IN]); +} + +static int snd_intel8x0_capture2_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ICHD_PCM2IN].substream = NULL; + return 0; +} + +static int snd_intel8x0_spdif_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; + + return snd_intel8x0_pcm_open(substream, &chip->ichd[idx]); +} + +static int snd_intel8x0_spdif_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + int idx = chip->device_type == DEVICE_NFORCE ? NVD_SPBAR : ICHD_SPBAR; + + chip->ichd[idx].substream = NULL; + return 0; +} + +static int snd_intel8x0_ali_ac97spdifout_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + unsigned 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(snd_pcm_substream_t * substream) +{ + intel8x0_t *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; +} + +static int snd_intel8x0_ali_spdifin_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFIN]); +} + +static int snd_intel8x0_ali_spdifin_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ALID_SPDIFIN].substream = NULL; + return 0; +} + +#if 0 // NYI +static int snd_intel8x0_ali_spdifout_open(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + return snd_intel8x0_pcm_open(substream, &chip->ichd[ALID_SPDIFOUT]); +} + +static int snd_intel8x0_ali_spdifout_close(snd_pcm_substream_t * substream) +{ + intel8x0_t *chip = snd_pcm_substream_chip(substream); + + chip->ichd[ALID_SPDIFOUT].substream = NULL; + return 0; +} +#endif + +static snd_pcm_ops_t snd_intel8x0_playback_ops = { + .open = snd_intel8x0_playback_open, + .close = snd_intel8x0_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_capture_ops = { + .open = snd_intel8x0_capture_open, + .close = snd_intel8x0_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_capture_mic_ops = { + .open = snd_intel8x0_mic_open, + .close = snd_intel8x0_mic_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_capture_mic2_ops = { + .open = snd_intel8x0_mic2_open, + .close = snd_intel8x0_mic2_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_capture2_ops = { + .open = snd_intel8x0_capture2_open, + .close = snd_intel8x0_capture2_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_spdif_ops = { + .open = snd_intel8x0_spdif_open, + .close = snd_intel8x0_spdif_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_ali_playback_ops = { + .open = snd_intel8x0_playback_open, + .close = snd_intel8x0_playback_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_ali_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_ali_capture_ops = { + .open = snd_intel8x0_capture_open, + .close = snd_intel8x0_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_ali_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_ali_capture_mic_ops = { + .open = snd_intel8x0_mic_open, + .close = snd_intel8x0_mic_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_ali_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_ali_ac97spdifout_ops = { + .open = snd_intel8x0_ali_ac97spdifout_open, + .close = snd_intel8x0_ali_ac97spdifout_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_ali_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +static snd_pcm_ops_t snd_intel8x0_ali_spdifin_ops = { + .open = snd_intel8x0_ali_spdifin_open, + .close = snd_intel8x0_ali_spdifin_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; + +#if 0 // NYI +static snd_pcm_ops_t snd_intel8x0_ali_spdifout_ops = { + .open = snd_intel8x0_ali_spdifout_open, + .close = snd_intel8x0_ali_spdifout_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_intel8x0_hw_params, + .hw_free = snd_intel8x0_hw_free, + .prepare = snd_intel8x0_pcm_prepare, + .trigger = snd_intel8x0_pcm_trigger, + .pointer = snd_intel8x0_pcm_pointer, +}; +#endif // NYI + +struct ich_pcm_table { + char *suffix; + snd_pcm_ops_t *playback_ops; + snd_pcm_ops_t *capture_ops; + size_t prealloc_size; + size_t prealloc_max_size; + int ac97_idx; +}; + +static int __devinit snd_intel8x0_pcm1(intel8x0_t *chip, int device, struct ich_pcm_table *rec) +{ + snd_pcm_t *pcm; + int err; + char name[32]; + + if (rec->suffix) + sprintf(name, "Intel ICH - %s", rec->suffix); + else + strcpy(name, "Intel ICH"); + err = snd_pcm_new(chip->card, name, device, + rec->playback_ops ? 1 : 0, + rec->capture_ops ? 1 : 0, &pcm); + if (err < 0) + return err; + + if (rec->playback_ops) + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); + if (rec->capture_ops) + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); + + pcm->private_data = chip; + pcm->info_flags = 0; + if (rec->suffix) + sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); + else + strcpy(pcm->name, chip->card->shortname); + chip->pcm[device] = pcm; + + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), + rec->prealloc_size, rec->prealloc_max_size); + + return 0; +} + +static struct ich_pcm_table intel_pcms[] __devinitdata = { + { + .playback_ops = &snd_intel8x0_playback_ops, + .capture_ops = &snd_intel8x0_capture_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + }, + { + .suffix = "MIC ADC", + .capture_ops = &snd_intel8x0_capture_mic_ops, + .prealloc_size = 0, + .prealloc_max_size = 128 * 1024, + .ac97_idx = ICHD_MIC, + }, + { + .suffix = "MIC2 ADC", + .capture_ops = &snd_intel8x0_capture_mic2_ops, + .prealloc_size = 0, + .prealloc_max_size = 128 * 1024, + .ac97_idx = ICHD_MIC2, + }, + { + .suffix = "ADC2", + .capture_ops = &snd_intel8x0_capture2_ops, + .prealloc_size = 0, + .prealloc_max_size = 128 * 1024, + .ac97_idx = ICHD_PCM2IN, + }, + { + .suffix = "IEC958", + .playback_ops = &snd_intel8x0_spdif_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + .ac97_idx = ICHD_SPBAR, + }, +}; + +static struct ich_pcm_table nforce_pcms[] __devinitdata = { + { + .playback_ops = &snd_intel8x0_playback_ops, + .capture_ops = &snd_intel8x0_capture_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + }, + { + .suffix = "MIC ADC", + .capture_ops = &snd_intel8x0_capture_mic_ops, + .prealloc_size = 0, + .prealloc_max_size = 128 * 1024, + .ac97_idx = NVD_MIC, + }, + { + .suffix = "IEC958", + .playback_ops = &snd_intel8x0_spdif_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + .ac97_idx = NVD_SPBAR, + }, +}; + +static struct ich_pcm_table ali_pcms[] __devinitdata = { + { + .playback_ops = &snd_intel8x0_ali_playback_ops, + .capture_ops = &snd_intel8x0_ali_capture_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + }, + { + .suffix = "MIC ADC", + .capture_ops = &snd_intel8x0_ali_capture_mic_ops, + .prealloc_size = 0, + .prealloc_max_size = 128 * 1024, + .ac97_idx = ALID_MIC, + }, + { + .suffix = "IEC958", + .playback_ops = &snd_intel8x0_ali_ac97spdifout_ops, + .capture_ops = &snd_intel8x0_ali_spdifin_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + .ac97_idx = ALID_AC97SPDIFOUT, + }, +#if 0 // NYI + { + .suffix = "HW IEC958", + .playback_ops = &snd_intel8x0_ali_spdifout_ops, + .prealloc_size = 64 * 1024, + .prealloc_max_size = 128 * 1024, + }, +#endif +}; + +static int __devinit snd_intel8x0_pcm(intel8x0_t *chip) +{ + int i, tblsize, device, err; + struct ich_pcm_table *tbl, *rec; + + switch (chip->device_type) { + case DEVICE_INTEL_ICH4: + tbl = intel_pcms; + tblsize = ARRAY_SIZE(intel_pcms); + break; + case DEVICE_NFORCE: + tbl = nforce_pcms; + tblsize = ARRAY_SIZE(nforce_pcms); + break; + case DEVICE_ALI: + tbl = ali_pcms; + tblsize = ARRAY_SIZE(ali_pcms); + break; + default: + tbl = intel_pcms; + tblsize = 2; + break; + } + + device = 0; + for (i = 0; i < tblsize; i++) { + rec = tbl + i; + if (i > 0 && rec->ac97_idx) { + /* activate PCM only when associated AC'97 codec */ + if (! chip->ichd[rec->ac97_idx].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(ac97_bus_t *bus) +{ + intel8x0_t *chip = bus->private_data; + chip->ac97_bus = NULL; +} + +static void snd_intel8x0_mixer_free_ac97(ac97_t *ac97) +{ + intel8x0_t *chip = ac97->private_data; + chip->ac97[ac97->num] = NULL; +} + +static struct ac97_pcm ac97_pcm_defs[] __devinitdata = { + /* 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[] __devinitdata = { + { + .vendor = 0x0e11, + .device = 0x008a, + .name = "Compaq Evo W4000", /* AD1885 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x0e11, + .device = 0x00b8, + .name = "Compaq Evo D510C", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x0e11, + .device = 0x0860, + .name = "HP/Compaq nx7010", + .type = AC97_TUNE_MUTE_LED + }, + { + .vendor = 0x1014, + .device = 0x1f00, + .name = "MS-9128", + .type = AC97_TUNE_ALC_JACK + }, + { + .vendor = 0x1028, + .device = 0x00d8, + .name = "Dell Precision 530", /* AD1885 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1028, + .device = 0x010d, + .name = "Dell", /* which model? AD1885 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1028, + .device = 0x0126, + .name = "Dell Optiplex GX260", /* AD1981A */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1028, + .device = 0x012c, + .name = "Dell Precision 650", /* AD1981A */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1028, + .device = 0x012d, + .name = "Dell Precision 450", /* AD1981B*/ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1028, + .device = 0x0147, + .name = "Dell", /* which model? AD1981B*/ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1028, + .device = 0x0163, + .name = "Dell Unknown", /* STAC9750/51 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x103c, + .device = 0x006d, + .name = "HP zv5000", + .type = AC97_TUNE_MUTE_LED /*AD1981B*/ + }, + { /* FIXME: which codec? */ + .vendor = 0x103c, + .device = 0x00c3, + .name = "HP xw6000", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x103c, + .device = 0x088c, + .name = "HP nc8000", + .type = AC97_TUNE_MUTE_LED + }, + { + .vendor = 0x103c, + .device = 0x0890, + .name = "HP nc6000", + .type = AC97_TUNE_MUTE_LED + }, + { + .vendor = 0x103c, + .device = 0x129d, + .name = "HP xw8000", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x103c, + .device = 0x12f1, + .name = "HP xw8200", /* AD1981B*/ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x103c, + .device = 0x12f2, + .name = "HP xw6200", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x103c, + .device = 0x3008, + .name = "HP xw4200", /* AD1981B*/ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x104d, + .device = 0x8197, + .name = "Sony S1XP", + .type = AC97_TUNE_INV_EAPD + }, + { + .vendor = 0x1043, + .device = 0x80f3, + .name = "ASUS ICH5/AD1985", + .type = AC97_TUNE_AD_SHARING + }, + { + .vendor = 0x10cf, + .device = 0x11c3, + .name = "Fujitsu-Siemens E4010", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x10cf, + .device = 0x1253, + .name = "Fujitsu S6210", /* STAC9750/51 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x10f1, + .device = 0x2665, + .name = "Fujitsu-Siemens Celsius", /* AD1981? */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x10f1, + .device = 0x2885, + .name = "AMD64 Mobo", /* ALC650 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x110a, + .device = 0x0056, + .name = "Fujitsu-Siemens Scenic", /* AD1981? */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x11d4, + .device = 0x5375, + .name = "ADI AD1985 (discrete)", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1462, + .device = 0x5470, + .name = "MSI P4 ATX 645 Ultra", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x1734, + .device = 0x0088, + .name = "Fujitsu-Siemens D1522", /* AD1981 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x8086, + .device = 0x2000, + .mask = 0xfff0, + .name = "Intel ICH5/AD1985", + .type = AC97_TUNE_AD_SHARING + }, + { + .vendor = 0x8086, + .device = 0x4000, + .mask = 0xfff0, + .name = "Intel ICH5/AD1985", + .type = AC97_TUNE_AD_SHARING + }, + { + .vendor = 0x8086, + .device = 0x4856, + .name = "Intel D845WN (82801BA)", + .type = AC97_TUNE_SWAP_HP + }, + { + .vendor = 0x8086, + .device = 0x4d44, + .name = "Intel D850EMV2", /* AD1885 */ + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x8086, + .device = 0x4d56, + .name = "Intel ICH/AD1885", + .type = AC97_TUNE_HP_ONLY + }, + { + .vendor = 0x8086, + .device = 0x6000, + .mask = 0xfff0, + .name = "Intel ICH5/AD1985", + .type = AC97_TUNE_AD_SHARING + }, + { + .vendor = 0x8086, + .device = 0xe000, + .mask = 0xfff0, + .name = "Intel ICH5/AD1985", + .type = AC97_TUNE_AD_SHARING + }, +#if 0 /* FIXME: this seems wrong on most boards */ + { + .vendor = 0x8086, + .device = 0xa000, + .mask = 0xfff0, + .name = "Intel ICH5/AD1985", + .type = AC97_TUNE_HP_ONLY + }, +#endif + { } /* terminator */ +}; + +static int __devinit snd_intel8x0_mixer(intel8x0_t *chip, int ac97_clock, const char *quirk_override) +{ + ac97_bus_t *pbus; + ac97_template_t ac97; + int err; + unsigned int i, codecs; + unsigned int glob_sta = 0; + ac97_bus_ops_t *ops; + static ac97_bus_ops_t standard_bus_ops = { + .write = snd_intel8x0_codec_write, + .read = snd_intel8x0_codec_read, + }; + static ac97_bus_ops_t ali_bus_ops = { + .write = snd_intel8x0_ali_codec_write, + .read = snd_intel8x0_ali_codec_read, + }; + + chip->spdif_idx = -1; /* use PCMOUT (or disabled) */ + 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; + 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; + if (chip->device_type == DEVICE_INTEL_ICH4) { + codecs = 0; + if (glob_sta & ICH_PCR) + codecs++; + if (glob_sta & ICH_SCR) + codecs++; + if (glob_sta & ICH_TCR) + codecs++; + chip->in_sdin_init = 1; + for (i = 0; i < codecs; i++) { + snd_intel8x0_codec_read_test(chip, i); + chip->ac97_sdin[i] = igetbyte(chip, ICHREG(SDM)) & ICH_LDI_MASK; + } + chip->in_sdin_init = 0; + } else { + codecs = glob_sta & ICH_SCR ? 2 : 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; + pbus->shared_type = AC97_SHARED_TYPE_ICH; /* shared with modem driver */ + 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; + + 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; + continue; + } + } + /* 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 (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) { + /* 48kHz only */ + chip->ichd[chip->spdif_idx].pcm->rates = SNDRV_PCM_RATE_48000; + } + if (chip->device_type == DEVICE_INTEL_ICH4) { + /* 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(intel8x0_t *chip) +{ + iputdword(chip, ICHREG(ALI_SCR), ICH_ALI_SC_RESET); + iputdword(chip, ICHREG(ALI_FIFOCR1), 0x83838383); + iputdword(chip, ICHREG(ALI_FIFOCR2), 0x83838383); + iputdword(chip, ICHREG(ALI_FIFOCR3), 0x83838383); + iputdword(chip, ICHREG(ALI_INTERFACECR), + ICH_ALI_IF_MC|ICH_ALI_IF_PI|ICH_ALI_IF_PO); + iputdword(chip, ICHREG(ALI_INTERRUPTCR), 0x00000000); + iputdword(chip, ICHREG(ALI_INTERRUPTSR), 0x00000000); +} + +#define do_delay(chip) do {\ + set_current_state(TASK_UNINTERRUPTIBLE);\ + schedule_timeout(1);\ +} while (0) + +static int snd_intel8x0_ich_chip_init(intel8x0_t *chip, int probing) +{ + unsigned long end_time; + unsigned int cnt, status, nstatus; + + /* put logic to right state */ + /* first clear status bits */ + status = ICH_RCS | ICH_MCINT | ICH_POINT | ICH_PIINT; + if (chip->device_type == DEVICE_NFORCE) + status |= ICH_NVSPINT; + cnt = igetdword(chip, ICHREG(GLOB_STA)); + iputdword(chip, ICHREG(GLOB_STA), cnt & status); + + /* ACLink on, 2 channels */ + cnt = igetdword(chip, ICHREG(GLOB_CNT)); + cnt &= ~(ICH_ACLINK | ICH_PCM_246_MASK); + /* finish cold or do warm reset */ + cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; + iputdword(chip, ICHREG(GLOB_CNT), cnt); + end_time = (jiffies + (HZ / 4)) + 1; + do { + if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) + goto __ok; + do_delay(chip); + } while (time_after_eq(end_time, jiffies)); + snd_printk("AC'97 warm reset still in progress? [0x%x]\n", igetdword(chip, ICHREG(GLOB_CNT))); + return -EIO; + + __ok: + if (probing) { + /* wait for any codec ready status. + * Once it becomes ready it should remain ready + * as long as we do not disable the ac97 link. + */ + end_time = jiffies + HZ; + do { + status = igetdword(chip, ICHREG(GLOB_STA)) & (ICH_PCR | ICH_SCR | ICH_TCR); + if (status) + break; + do_delay(chip); + } while (time_after_eq(end_time, jiffies)); + if (! status) { + /* no codec is found */ + snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", igetdword(chip, ICHREG(GLOB_STA))); + return -EIO; + } + + if (chip->device_type == DEVICE_INTEL_ICH4) + /* ICH4 can have three codecs */ + nstatus = ICH_PCR | ICH_SCR | ICH_TCR; + else + /* others up to two codecs */ + nstatus = ICH_PCR | ICH_SCR; + + /* wait for other codecs ready status. */ + end_time = jiffies + HZ / 4; + while (status != nstatus && time_after_eq(end_time, jiffies)) { + do_delay(chip); + status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus; + } + + } else { + /* resume phase */ + int i; + status = 0; + for (i = 0; i < 3; i++) + if (chip->ac97[i]) + status |= get_ich_codec_bit(chip, i); + /* wait until all the probed codecs are ready */ + end_time = jiffies + HZ; + do { + nstatus = igetdword(chip, ICHREG(GLOB_STA)) & (ICH_PCR | ICH_SCR | ICH_TCR); + if (status == nstatus) + break; + do_delay(chip); + } while (time_after_eq(end_time, jiffies)); + } + + if (chip->device_type == DEVICE_SIS) { + /* unmute the output on SIS7012 */ + iputword(chip, 0x4c, igetword(chip, 0x4c) | 1); + } + if (chip->device_type == DEVICE_NFORCE) { + /* enable SPDIF interrupt */ + unsigned int val; + pci_read_config_dword(chip->pci, 0x4c, &val); + val |= 0x1000000; + pci_write_config_dword(chip->pci, 0x4c, val); + } + return 0; +} + +static int snd_intel8x0_ali_chip_init(intel8x0_t *chip, int probing) +{ + u32 reg; + int i = 0; + + reg = igetdword(chip, ICHREG(ALI_SCR)); + if ((reg & 2) == 0) /* Cold required */ + reg |= 2; + else + reg |= 1; /* Warm */ + reg &= ~0x80000000; /* ACLink on */ + iputdword(chip, ICHREG(ALI_SCR), reg); + + for (i = 0; i < HZ / 2; i++) { + if (! (igetdword(chip, ICHREG(ALI_INTERRUPTSR)) & ALI_INT_GPIO)) + goto __ok; + do_delay(chip); + } + snd_printk(KERN_ERR "AC'97 reset failed.\n"); + if (probing) + return -EIO; + + __ok: + for (i = 0; i < HZ / 2; i++) { + reg = igetdword(chip, ICHREG(ALI_RTSR)); + if (reg & 0x80) /* primary codec */ + break; + iputdword(chip, ICHREG(ALI_RTSR), reg | 0x80); + do_delay(chip); + } + + do_ali_reset(chip); + return 0; +} + +static int snd_intel8x0_chip_init(intel8x0_t *chip, int probing) +{ + unsigned int i; + int err; + + if (chip->device_type != DEVICE_ALI) { + if ((err = snd_intel8x0_ich_chip_init(chip, probing)) < 0) + return err; + iagetword(chip, 0); /* clear semaphore flag */ + } else { + if ((err = snd_intel8x0_ali_chip_init(chip, probing)) < 0) + return err; + } + + /* disable interrupts */ + for (i = 0; i < chip->bdbars_count; i++) + iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); + /* reset channels */ + for (i = 0; i < chip->bdbars_count; i++) + iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); + /* initialize Buffer Descriptor Lists */ + for (i = 0; i < chip->bdbars_count; i++) + iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr); + return 0; +} + +static int snd_intel8x0_free(intel8x0_t *chip) +{ + unsigned int i; + + if (chip->irq < 0) + goto __hw_end; + /* disable interrupts */ + for (i = 0; i < chip->bdbars_count; i++) + iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); + /* reset channels */ + for (i = 0; i < chip->bdbars_count; i++) + iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); + if (chip->device_type == DEVICE_NFORCE) { + /* stop the spdif interrupt */ + unsigned int val; + pci_read_config_dword(chip->pci, 0x4c, &val); + val &= ~0x1000000; + pci_write_config_dword(chip->pci, 0x4c, val); + } + /* --- */ + synchronize_irq(chip->irq); + __hw_end: + if (chip->irq >= 0) + free_irq(chip->irq, (void *)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->remap_addr) + iounmap(chip->remap_addr); + if (chip->remap_bmaddr) + iounmap(chip->remap_bmaddr); + pci_release_regions(chip->pci); + pci_disable_device(chip->pci); + kfree(chip); + return 0; +} + +#ifdef CONFIG_PM +/* + * power management + */ +static int intel8x0_suspend(snd_card_t *card, pm_message_t state) +{ + intel8x0_t *chip = card->pm_private_data; + int i; + + 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++) { + ichdev_t *ichdev = &chip->ichd[i]; + if (ichdev->substream && ichdev->page_attr_changed) { + snd_pcm_runtime_t *runtime = ichdev->substream->runtime; + if (runtime->dma_area) + fill_nocache(runtime->dma_area, runtime->dma_bytes, 0); + } + } + } + for (i = 0; i < 3; i++) + if (chip->ac97[i]) + snd_ac97_suspend(chip->ac97[i]); + pci_disable_device(chip->pci); + return 0; +} + +static int intel8x0_resume(snd_card_t *card) +{ + intel8x0_t *chip = card->pm_private_data; + int i; + + pci_enable_device(chip->pci); + pci_set_master(chip->pci); + snd_intel8x0_chip_init(chip, 0); + + /* refill nocache */ + if (chip->fix_nocache) + fill_nocache(chip->bdbars.area, chip->bdbars.bytes, 1); + + for (i = 0; i < 3; i++) + if (chip->ac97[i]) + snd_ac97_resume(chip->ac97[i]); + + /* refill nocache */ + if (chip->fix_nocache) { + for (i = 0; i < chip->bdbars_count; i++) { + ichdev_t *ichdev = &chip->ichd[i]; + if (ichdev->substream && ichdev->page_attr_changed) { + snd_pcm_runtime_t *runtime = ichdev->substream->runtime; + if (runtime->dma_area) + fill_nocache(runtime->dma_area, runtime->dma_bytes, 1); + } + } + } + + return 0; +} +#endif /* CONFIG_PM */ + +#define INTEL8X0_TESTBUF_SIZE 32768 /* enough large for one shot */ + +static void __devinit intel8x0_measure_ac97_clock(intel8x0_t *chip) +{ + snd_pcm_substream_t *subs; + ichdev_t *ichdev; + unsigned long port; + unsigned long pos, t; + struct timeval start_time, stop_time; + + if (chip->ac97_bus->clock != 48000) + return; /* specified in module option */ + + subs = chip->pcm[0]->streams[0].substream; + if (! subs || subs->dma_buffer.bytes < INTEL8X0_TESTBUF_SIZE) { + snd_printk("no playback buffer allocated - aborting measure ac97 clock\n"); + return; + } + ichdev = &chip->ichd[ICHD_PCMOUT]; + ichdev->physbuf = subs->dma_buffer.addr; + ichdev->size = chip->ichd[ICHD_PCMOUT].fragsize = INTEL8X0_TESTBUF_SIZE; + ichdev->substream = NULL; /* don't process interrupts */ + + /* set rate */ + if (snd_ac97_set_rate(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 48000) < 0) { + snd_printk(KERN_ERR "cannot set ac97 rate: clock = %d\n", chip->ac97_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_gettimeofday(&start_time); + spin_unlock_irq(&chip->reg_lock); + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(HZ / 20); + spin_lock_irq(&chip->reg_lock); + /* check the position */ + pos = ichdev->fragsize1; + pos -= igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << ichdev->pos_shift; + pos += ichdev->position; + chip->in_measurement = 0; + do_gettimeofday(&stop_time); + /* stop */ + if (chip->device_type == DEVICE_ALI) { + iputdword(chip, ICHREG(ALI_DMACR), 1 << (ichdev->ali_slot + 8)); + iputbyte(chip, port + ICH_REG_OFF_CR, 0); + while (igetbyte(chip, port + ICH_REG_OFF_CR)) + ; + } else { + iputbyte(chip, port + ICH_REG_OFF_CR, 0); + while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) + ; + } + iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); + spin_unlock_irq(&chip->reg_lock); + + t = stop_time.tv_sec - start_time.tv_sec; + t *= 1000000; + t += stop_time.tv_usec - start_time.tv_usec; + printk(KERN_INFO "%s: measured %lu usecs\n", __FUNCTION__, t); + if (t == 0) { + snd_printk(KERN_ERR "?? calculation error..\n"); + return; + } + pos = (pos / 4) * 1000; + pos = (pos / t) * 1000 + ((pos % t) * 1000) / t; + if (pos < 40000 || pos >= 60000) + /* abnormal value. hw problem? */ + printk(KERN_INFO "intel8x0: measured clock %ld rejected\n", pos); + else if (pos < 47500 || pos > 48500) + /* not 48000Hz, tuning the clock.. */ + chip->ac97_bus->clock = (chip->ac97_bus->clock * 48000) / pos; + printk(KERN_INFO "intel8x0: clocking to %d\n", chip->ac97_bus->clock); +} + +static void snd_intel8x0_proc_read(snd_info_entry_t * entry, + snd_info_buffer_t * buffer) +{ + intel8x0_t *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 :%s%s%s%s\n", + tmp & ICH_PCR ? " primary" : "", + tmp & ICH_SCR ? " secondary" : "", + tmp & ICH_TCR ? " tertiary" : "", + (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : ""); + if (chip->device_type == DEVICE_INTEL_ICH4) + snd_iprintf(buffer, "AC'97 codecs SDIN : %i %i %i\n", + chip->ac97_sdin[0], + chip->ac97_sdin[1], + chip->ac97_sdin[2]); +} + +static void __devinit snd_intel8x0_proc_init(intel8x0_t * chip) +{ + snd_info_entry_t *entry; + + if (! snd_card_proc_new(chip->card, "intel8x0", &entry)) + snd_info_set_text_ops(entry, chip, 1024, snd_intel8x0_proc_read); +} + +static int snd_intel8x0_dev_free(snd_device_t *device) +{ + intel8x0_t *chip = device->device_data; + return snd_intel8x0_free(chip); +} + +struct ich_reg_info { + unsigned int int_sta_mask; + unsigned int offset; +}; + +static int __devinit snd_intel8x0_create(snd_card_t * card, + struct pci_dev *pci, + unsigned long device_type, + intel8x0_t ** r_intel8x0) +{ + intel8x0_t *chip; + int err; + unsigned int i; + unsigned int int_sta_masks; + ichdev_t *ichdev; + static snd_device_ops_t ops = { + .dev_free = snd_intel8x0_dev_free, + }; + + static unsigned int bdbars[] = { + 3, /* DEVICE_INTEL */ + 6, /* DEVICE_INTEL_ICH4 */ + 3, /* DEVICE_SIS */ + 6, /* DEVICE_ALI */ + 4, /* DEVICE_NFORCE */ + }; + static struct ich_reg_info intel_regs[6] = { + { ICH_PIINT, 0 }, + { ICH_POINT, 0x10 }, + { ICH_MCINT, 0x20 }, + { ICH_M2INT, 0x40 }, + { ICH_P2INT, 0x50 }, + { ICH_SPINT, 0x60 }, + }; + static struct ich_reg_info nforce_regs[4] = { + { ICH_PIINT, 0 }, + { ICH_POINT, 0x10 }, + { ICH_MCINT, 0x20 }, + { ICH_NVSPINT, 0x70 }, + }; + static struct ich_reg_info ali_regs[6] = { + { ALI_INT_PCMIN, 0x40 }, + { ALI_INT_PCMOUT, 0x50 }, + { ALI_INT_MICIN, 0x60 }, + { ALI_INT_CODECSPDIFOUT, 0x70 }, + { ALI_INT_SPDIFIN, 0xa0 }, + { ALI_INT_SPDIFOUT, 0xb0 }, + }; + struct ich_reg_info *tbl; + + *r_intel8x0 = NULL; + + if ((err = pci_enable_device(pci)) < 0) + return err; + + chip = kcalloc(1, 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; + + if (pci->vendor == PCI_VENDOR_ID_INTEL && + pci->device == PCI_DEVICE_ID_INTEL_440MX) + chip->fix_nocache = 1; /* enable workaround */ + + /* some Nforce[2] and ICH boards have problems with IRQ handling. + * Needs to return IRQ_HANDLED for unknown irqs. + */ + if (device_type == DEVICE_NFORCE) + chip->buggy_irq = 1; + + 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_resource_start(pci, 0); + goto port_inited; + } + + if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) { /* ICH4 and Nforce */ + chip->mmio = 1; + chip->addr = pci_resource_start(pci, 2); + chip->remap_addr = ioremap_nocache(chip->addr, + pci_resource_len(pci, 2)); + if (chip->remap_addr == NULL) { + snd_printk("AC'97 space ioremap problem\n"); + snd_intel8x0_free(chip); + return -EIO; + } + } else { + chip->addr = pci_resource_start(pci, 0); + } + if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) { /* ICH4 */ + chip->bm_mmio = 1; + chip->bmaddr = pci_resource_start(pci, 3); + chip->remap_bmaddr = ioremap_nocache(chip->bmaddr, + pci_resource_len(pci, 3)); + if (chip->remap_bmaddr == NULL) { + snd_printk("Controller space ioremap problem\n"); + snd_intel8x0_free(chip); + return -EIO; + } + } else { + chip->bmaddr = pci_resource_start(pci, 1); + } + + port_inited: + if (request_irq(pci->irq, snd_intel8x0_interrupt, SA_INTERRUPT|SA_SHIRQ, card->shortname, (void *)chip)) { + snd_printk("unable to grab IRQ %d\n", pci->irq); + snd_intel8x0_free(chip); + return -EBUSY; + } + chip->irq = pci->irq; + pci_set_master(pci); + synchronize_irq(chip->irq); + + chip->bdbars_count = bdbars[device_type]; + + /* initialize offsets */ + switch (device_type) { + case DEVICE_NFORCE: + tbl = nforce_regs; + break; + case DEVICE_ALI: + tbl = ali_regs; + break; + default: + tbl = intel_regs; + break; + } + for (i = 0; i < chip->bdbars_count; i++) { + ichdev = &chip->ichd[i]; + ichdev->ichd = i; + ichdev->reg_offset = tbl[i].offset; + ichdev->int_sta_mask = tbl[i].int_sta_mask; + if (device_type == DEVICE_SIS) { + /* SiS 7012 swaps the registers */ + ichdev->roff_sr = ICH_REG_OFF_PICB; + ichdev->roff_picb = ICH_REG_OFF_SR; + } else { + ichdev->roff_sr = ICH_REG_OFF_SR; + ichdev->roff_picb = ICH_REG_OFF_PICB; + } + if (device_type == DEVICE_ALI) + ichdev->ali_slot = (ichdev->reg_offset - 0x40) / 0x10; + /* SIS7012 handles the pcm data in bytes, others are in 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; + + if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { + snd_intel8x0_free(chip); + return err; + } + + snd_card_set_pm_callback(card, intel8x0_suspend, intel8x0_resume, chip); + + 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[] __devinitdata = { + { PCI_DEVICE_ID_INTEL_82801, "Intel 82801AA-ICH" }, + { PCI_DEVICE_ID_INTEL_82901, "Intel 82901AB-ICH0" }, + { PCI_DEVICE_ID_INTEL_82801BA, "Intel 82801BA-ICH2" }, + { PCI_DEVICE_ID_INTEL_440MX, "Intel 440MX" }, + { PCI_DEVICE_ID_INTEL_ICH3, "Intel 82801CA-ICH3" }, + { PCI_DEVICE_ID_INTEL_ICH4, "Intel 82801DB-ICH4" }, + { PCI_DEVICE_ID_INTEL_ICH5, "Intel ICH5" }, + { PCI_DEVICE_ID_INTEL_ESB_5, "Intel 6300ESB" }, + { PCI_DEVICE_ID_INTEL_ICH6_18, "Intel ICH6" }, + { PCI_DEVICE_ID_INTEL_ICH7_20, "Intel ICH7" }, + { PCI_DEVICE_ID_SI_7012, "SiS SI7012" }, + { PCI_DEVICE_ID_NVIDIA_MCP_AUDIO, "NVidia nForce" }, + { PCI_DEVICE_ID_NVIDIA_MCP2_AUDIO, "NVidia nForce2" }, + { PCI_DEVICE_ID_NVIDIA_MCP3_AUDIO, "NVidia nForce3" }, + { 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 int __devinit snd_intel8x0_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + snd_card_t *card; + intel8x0_t *chip; + int err; + struct shortname_table *name; + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + if (card == NULL) + return -ENOMEM; + + switch (pci_id->driver_data) { + case DEVICE_NFORCE: + strcpy(card->driver, "NFORCE"); + break; + case DEVICE_INTEL_ICH4: + strcpy(card->driver, "ICH4"); + break; + default: + strcpy(card->driver, "ICH"); + break; + } + + strcpy(card->shortname, "Intel ICH"); + for (name = shortnames; name->id; name++) { + if (pci->device == name->id) { + strcpy(card->shortname, name->s); + break; + } + } + + if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data, &chip)) < 0) { + snd_card_free(card); + return err; + } + if (buggy_irq[dev]) + chip->buggy_irq = 1; + if (xbox[dev]) + chip->xbox = 1; + + if ((err = snd_intel8x0_mixer(chip, ac97_clock[dev], ac97_quirk[dev])) < 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 %#lx, irq %i", card->shortname, + snd_ac97_get_short_name(chip->ac97[0]), chip->addr, chip->irq); + + if (! ac97_clock[dev]) + intel8x0_measure_ac97_clock(chip); + + if ((err = snd_card_register(card)) < 0) { + snd_card_free(card); + return err; + } + pci_set_drvdata(pci, card); + dev++; + return 0; +} + +static void __devexit snd_intel8x0_remove(struct pci_dev *pci) +{ + snd_card_free(pci_get_drvdata(pci)); + pci_set_drvdata(pci, NULL); +} + +static struct pci_driver driver = { + .name = "Intel ICH", + .id_table = snd_intel8x0_ids, + .probe = snd_intel8x0_probe, + .remove = __devexit_p(snd_intel8x0_remove), + SND_PCI_PM_CALLBACKS +}; + + +static int __init alsa_card_intel8x0_init(void) +{ + return pci_module_init(&driver); +} + +static void __exit alsa_card_intel8x0_exit(void) +{ + pci_unregister_driver(&driver); +} + +module_init(alsa_card_intel8x0_init) +module_exit(alsa_card_intel8x0_exit) |