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-rw-r--r--sound/pci/intel8x0.c3266
1 files changed, 3266 insertions, 0 deletions
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
new file mode 100644
index 000000000..3707dc273
--- /dev/null
+++ b/sound/pci/intel8x0.c
@@ -0,0 +1,3266 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * 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.
+ *
+
+ */
+
+#include <linux/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>
+
+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 = allowlist + 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 */
+ __le32 *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 prepared: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;
+ const 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 const struct pci_device_id 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. */
+ dev_err(chip->card->dev,
+ "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)
+ dev_err(chip->card->dev,
+ "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)
+ dev_err(chip->card->dev,
+ "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)
+ dev_err(chip->card->dev,
+ "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)
+ dev_warn(chip->card->dev, "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)
+ dev_warn(chip->card->dev, "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;
+ __le32 *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
+ dev_dbg(chip->card->dev, "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
+ dev_dbg(chip->card->dev,
+ "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);
+}
+
+/*
+ * 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;
+
+ if (!(ichdev->prepared || chip->in_measurement) || ichdev->suspended)
+ return;
+
+ 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
+ dev_dbg(chip->card->dev,
+ "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;
+ fallthrough;
+ 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;
+ fallthrough;
+ 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 const 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;
+ fallthrough;
+ 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;
+ fallthrough;
+ 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);
+ int dbl = params_rate(hw_params) > 48000;
+ int err;
+
+ if (ichdev->pcm_open_flag) {
+ snd_ac97_pcm_close(ichdev->pcm);
+ ichdev->pcm_open_flag = 0;
+ ichdev->prepared = 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 ichdev *ichdev = get_ichdev(substream);
+
+ if (ichdev->pcm_open_flag) {
+ snd_ac97_pcm_close(ichdev->pcm);
+ ichdev->pcm_open_flag = 0;
+ ichdev->prepared = 0;
+ }
+ return 0;
+}
+
+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);
+ ichdev->prepared = 1;
+ 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 const 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 const unsigned int channels4[] = {
+ 2, 4,
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels4 = {
+ .count = ARRAY_SIZE(channels4),
+ .list = channels4,
+ .mask = 0,
+};
+
+static const unsigned int channels6[] = {
+ 2, 4, 6,
+};
+
+static const struct snd_pcm_hw_constraint_list hw_constraints_channels6 = {
+ .count = ARRAY_SIZE(channels6),
+ .list = channels6,
+ .mask = 0,
+};
+
+static const unsigned int channels8[] = {
+ 2, 4, 6, 8,
+};
+
+static const 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 const struct snd_pcm_ops snd_intel8x0_playback_ops = {
+ .open = snd_intel8x0_playback_open,
+ .close = snd_intel8x0_playback_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_capture_ops = {
+ .open = snd_intel8x0_capture_open,
+ .close = snd_intel8x0_capture_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_capture_mic_ops = {
+ .open = snd_intel8x0_mic_open,
+ .close = snd_intel8x0_mic_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_capture_mic2_ops = {
+ .open = snd_intel8x0_mic2_open,
+ .close = snd_intel8x0_mic2_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_capture2_ops = {
+ .open = snd_intel8x0_capture2_open,
+ .close = snd_intel8x0_capture2_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_spdif_ops = {
+ .open = snd_intel8x0_spdif_open,
+ .close = snd_intel8x0_spdif_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_ali_playback_ops = {
+ .open = snd_intel8x0_playback_open,
+ .close = snd_intel8x0_playback_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_ali_capture_ops = {
+ .open = snd_intel8x0_capture_open,
+ .close = snd_intel8x0_capture_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_ali_capture_mic_ops = {
+ .open = snd_intel8x0_mic_open,
+ .close = snd_intel8x0_mic_close,
+ .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 const struct snd_pcm_ops snd_intel8x0_ali_ac97spdifout_ops = {
+ .open = snd_intel8x0_ali_ac97spdifout_open,
+ .close = snd_intel8x0_ali_ac97spdifout_close,
+ .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,
+ .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,
+ .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;
+ const struct snd_pcm_ops *playback_ops;
+ const struct snd_pcm_ops *capture_ops;
+ size_t prealloc_size;
+ size_t prealloc_max_size;
+ int ac97_idx;
+};
+
+#define intel8x0_dma_type(chip) \
+ ((chip)->fix_nocache ? SNDRV_DMA_TYPE_DEV_UC : SNDRV_DMA_TYPE_DEV)
+
+static int snd_intel8x0_pcm1(struct intel8x0 *chip, int device,
+ const 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_set_managed_buffer_all(pcm, intel8x0_dma_type(chip),
+ &chip->pci->dev,
+ rec->prealloc_size, rec->prealloc_max_size);
+
+ if (rec->playback_ops &&
+ rec->playback_ops->open == snd_intel8x0_playback_open) {
+ struct snd_pcm_chmap *chmap;
+ int chs = 2;
+ 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 const 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 const 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 const 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;
+ const 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 const 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 const 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;
+ const struct snd_ac97_bus_ops *ops;
+ static const struct snd_ac97_bus_ops standard_bus_ops = {
+ .write = snd_intel8x0_codec_write,
+ .read = snd_intel8x0_codec_read,
+ };
+ static const 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)
+ dev_err(chip->card->dev,
+ "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 const 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));
+ dev_err(chip->card->dev, "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 */
+ dev_err(chip->card->dev,
+ "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);
+ }
+ dev_err(chip->card->dev, "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)
+ dev_err(chip->card->dev, "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)
+ 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 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->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;
+ card->sync_irq = -1;
+ }
+ 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;
+
+ snd_intel8x0_chip_init(chip, 0);
+ if (request_irq(pci->irq, snd_intel8x0_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, chip)) {
+ dev_err(dev, "unable to grab IRQ %d, disabling device\n",
+ pci->irq);
+ snd_card_disconnect(card);
+ return -EIO;
+ }
+ chip->irq = pci->irq;
+ card->sync_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);
+ }
+
+ for (i = 0; i < chip->ncodecs; i++)
+ snd_ac97_resume(chip->ac97[i]);
+
+ /* 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;
+ ktime_t 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) {
+ dev_warn(chip->card->dev,
+ "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) {
+ dev_err(chip->card->dev, "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);
+ }
+ start_time = ktime_get();
+ 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;
+ stop_time = ktime_get();
+ /* 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) {
+ dev_err(chip->card->dev,
+ "measure - unreliable DMA position..\n");
+ __retry:
+ if (attempt < 3) {
+ msleep(300);
+ attempt++;
+ goto __again;
+ }
+ goto __end;
+ }
+
+ pos /= 4;
+ t = ktime_us_delta(stop_time, start_time);
+ dev_info(chip->card->dev,
+ "%s: measured %lu usecs (%lu samples)\n", __func__, t, pos);
+ if (t == 0) {
+ dev_err(chip->card->dev, "?? calculation error..\n");
+ goto __retry;
+ }
+ pos *= 1000;
+ pos = (pos / t) * 1000 + ((pos % t) * 1000) / t;
+ if (pos < 40000 || pos >= 60000) {
+ /* abnormal value. hw problem? */
+ dev_info(chip->card->dev, "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:
+ dev_info(chip->card->dev, "clocking to %d\n", chip->ac97_bus->clock);
+ snd_ac97_update_power(chip->ac97[0], AC97_PCM_FRONT_DAC_RATE, 0);
+}
+
+static const struct snd_pci_quirk intel8x0_clock_list[] = {
+ SND_PCI_QUIRK(0x0e11, 0x008a, "AD1885", 41000),
+ SND_PCI_QUIRK(0x1014, 0x0581, "AD1981B", 48000),
+ 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;
+ dev_info(chip->card->dev, "allow list rate for %04x:%04x is %i\n",
+ pci->subsystem_vendor, pci->subsystem_device, wl->value);
+ chip->ac97_bus->clock = wl->value;
+ return 1;
+}
+
+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)
+{
+ snd_card_ro_proc_new(chip->card, "intel8x0", chip,
+ snd_intel8x0_proc_read);
+}
+
+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 const unsigned int ich_codec_bits[3] = {
+ ICH_PCR, ICH_SCR, ICH_TCR
+};
+static const 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;
+ }
+
+ /* check for known (emulated) devices */
+ result = 0;
+ if (pci->subsystem_vendor == PCI_SUBVENDOR_ID_REDHAT_QUMRANET &&
+ pci->subsystem_device == PCI_SUBDEVICE_ID_QEMU) {
+ /* KVM emulated sound, PCI SSID: 1af4:1100 */
+ msg = "enable KVM";
+ result = 1;
+ } else if (pci->subsystem_vendor == 0x1ab8) {
+ /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
+ msg = "enable Parallels VM";
+ result = 1;
+ }
+
+fini:
+ if (msg != NULL)
+ dev_info(&pci->dev, "%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 const struct snd_device_ops ops = {
+ .dev_free = snd_intel8x0_dev_free,
+ };
+
+ static const unsigned int bdbars[] = {
+ 3, /* DEVICE_INTEL */
+ 6, /* DEVICE_INTEL_ICH4 */
+ 3, /* DEVICE_SIS */
+ 6, /* DEVICE_ALI */
+ 4, /* DEVICE_NFORCE */
+ };
+ static const 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 const struct ich_reg_info nforce_regs[4] = {
+ { ICH_PIINT, 0 },
+ { ICH_POINT, 0x10 },
+ { ICH_MCINT, 0x20 },
+ { ICH_NVSPINT, 0x70 },
+ };
+ static const 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 },
+ };
+ const 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);
+
+ /*
+ * 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
+ */
+ 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) {
+ dev_err(card->dev, "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);
+
+ port_inited:
+ if (!chip->bmaddr) {
+ dev_err(card->dev, "Controller space ioremap problem\n");
+ snd_intel8x0_free(chip);
+ return -EIO;
+ }
+ 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(intel8x0_dma_type(chip), &pci->dev,
+ chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2,
+ &chip->bdbars) < 0) {
+ snd_intel8x0_free(chip);
+ dev_err(card->dev, "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) */
+ int_sta_masks = 0;
+ for (i = 0; i < chip->bdbars_count; i++) {
+ ichdev = &chip->ichd[i];
+ ichdev->bdbar = ((__le32 *)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)) {
+ dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
+ snd_intel8x0_free(chip);
+ return -EBUSY;
+ }
+ chip->irq = pci->irq;
+ card->sync_irq = chip->irq;
+
+ if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
+ snd_intel8x0_free(chip);
+ return err;
+ }
+
+ *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 const struct snd_pci_quirk spdif_aclink_defaults[] = {
+ SND_PCI_QUIRK(0x147b, 0x1c1a, "ASUS KN8", 1),
+ { } /* end */
+};
+
+/* look up allow/deny 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)
+ dev_dbg(&pci->dev,
+ "Using SPDIF over AC-Link for %s\n",
+ snd_pci_quirk_name(w));
+ else
+ dev_dbg(&pci->dev,
+ "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_new(&pci->dev, 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));
+}
+
+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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 14:43:28 +0000