| /* |
| * ALSA modem driver for Intel ICH (i8x0) chipsets |
| * |
| * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> |
| * |
| * This is modified (by Sasha Khapyorsky <sashak@alsa-project.org>) version |
| * of ALSA ICH sound driver intel8x0.c . |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include <asm/io.h> |
| #include <linux/delay.h> |
| #include <linux/interrupt.h> |
| #include <linux/init.h> |
| #include <linux/pci.h> |
| #include <linux/slab.h> |
| #include <linux/moduleparam.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 7013; NVidia MCP/2/2S/3 modems"); |
| 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,MX440}," |
| "{SiS,7013}," |
| "{NVidia,NForce Modem}," |
| "{NVidia,NForce2 Modem}," |
| "{NVidia,NForce2s Modem}," |
| "{NVidia,NForce3 Modem}," |
| "{AMD,AMD768}}"); |
| |
| static int index = -2; /* Exclude the first card */ |
| static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ |
| static int ac97_clock; |
| |
| module_param(index, int, 0444); |
| MODULE_PARM_DESC(index, "Index value for Intel i8x0 modemcard."); |
| module_param(id, charp, 0444); |
| MODULE_PARM_DESC(id, "ID string for Intel i8x0 modemcard."); |
| module_param(ac97_clock, int, 0444); |
| MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (0 = auto-detect)."); |
| |
| /* just for backward compatibility */ |
| static int enable; |
| module_param(enable, bool, 0444); |
| |
| /* |
| * Direct registers |
| */ |
| enum { DEVICE_INTEL, 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 */ |
| |
| /* 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 0x3c /* dword - global control */ |
| #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 0x40 /* 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_MULTICHAN_CAP 0x00300000 /* ICH4: multi-channel capability bits (RO) */ |
| #define ICH_MD3 0x00020000 /* modem power down semaphore */ |
| #define ICH_AD3 0x00010000 /* audio power down semaphore */ |
| #define ICH_RCS 0x00008000 /* read completion status */ |
| #define ICH_BIT3 0x00004000 /* bit 3 slot 12 */ |
| #define ICH_BIT2 0x00002000 /* bit 2 slot 12 */ |
| #define ICH_BIT1 0x00001000 /* bit 1 slot 12 */ |
| #define ICH_SRI 0x00000800 /* secondary (AC_SDIN1) resume interrupt */ |
| #define ICH_PRI 0x00000400 /* primary (AC_SDIN0) resume interrupt */ |
| #define ICH_SCR 0x00000200 /* secondary (AC_SDIN1) codec ready */ |
| #define ICH_PCR 0x00000100 /* primary (AC_SDIN0) codec ready */ |
| #define ICH_MCINT 0x00000080 /* MIC capture interrupt */ |
| #define ICH_POINT 0x00000040 /* playback interrupt */ |
| #define ICH_PIINT 0x00000020 /* capture interrupt */ |
| #define ICH_NVSPINT 0x00000010 /* nforce spdif interrupt */ |
| #define ICH_MOINT 0x00000004 /* modem playback interrupt */ |
| #define ICH_MIINT 0x00000002 /* modem capture interrupt */ |
| #define ICH_GSCI 0x00000001 /* GPI status change interrupt */ |
| #define ICH_REG_ACC_SEMA 0x44 /* byte - codec write semaphore */ |
| #define ICH_CAS 0x01 /* codec access semaphore */ |
| |
| #define ICH_MAX_FRAGS 32 /* max hw frags */ |
| |
| |
| /* |
| * |
| */ |
| |
| enum { ICHD_MDMIN, ICHD_MDMOUT, ICHD_MDMLAST = ICHD_MDMOUT }; |
| enum { ALID_MDMIN, ALID_MDMOUT, ALID_MDMLAST = ALID_MDMOUT }; |
| |
| #define get_ichdev(substream) (substream->runtime->private_data) |
| |
| struct ichdev { |
| unsigned int ichd; /* ich device number */ |
| unsigned long reg_offset; /* offset to bmaddr */ |
| u32 *bdbar; /* CPU address (32bit) */ |
| unsigned int bdbar_addr; /* PCI bus address (32bit) */ |
| struct snd_pcm_substream *substream; |
| unsigned int physbuf; /* physical address (32bit) */ |
| unsigned int size; |
| unsigned int fragsize; |
| unsigned int fragsize1; |
| unsigned int position; |
| 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 snd_ac97 *ac97; |
| }; |
| |
| struct intel8x0m { |
| 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[2]; |
| struct ichdev ichd[2]; |
| |
| unsigned int in_ac97_init: 1; |
| |
| struct snd_ac97_bus *ac97_bus; |
| struct snd_ac97 *ac97; |
| |
| spinlock_t reg_lock; |
| |
| struct snd_dma_buffer bdbars; |
| u32 bdbars_count; |
| u32 int_sta_reg; /* interrupt status register */ |
| u32 int_sta_mask; /* interrupt status mask */ |
| unsigned int pcm_pos_shift; |
| }; |
| |
| static struct pci_device_id snd_intel8x0m_ids[] = { |
| { 0x8086, 0x2416, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801AA */ |
| { 0x8086, 0x2426, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82901AB */ |
| { 0x8086, 0x2446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 82801BA */ |
| { 0x8086, 0x2486, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH3 */ |
| { 0x8086, 0x24c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH4 */ |
| { 0x8086, 0x24d6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH5 */ |
| { 0x8086, 0x266d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH6 */ |
| { 0x8086, 0x27dd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* ICH7 */ |
| { 0x8086, 0x7196, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* 440MX */ |
| { 0x1022, 0x7446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD768 */ |
| { 0x1039, 0x7013, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_SIS }, /* SI7013 */ |
| { 0x10de, 0x01c1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE */ |
| { 0x10de, 0x0069, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2 */ |
| { 0x10de, 0x0089, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE2s */ |
| { 0x10de, 0x00d9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_NFORCE }, /* NFORCE3 */ |
| #if 0 |
| { 0x1022, 0x746d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_INTEL }, /* AMD8111 */ |
| { 0x10b9, 0x5455, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALI }, /* Ali5455 */ |
| #endif |
| { 0, } |
| }; |
| |
| MODULE_DEVICE_TABLE(pci, snd_intel8x0m_ids); |
| |
| /* |
| * Lowlevel I/O - busmaster |
| */ |
| |
| static inline u8 igetbyte(struct intel8x0m *chip, u32 offset) |
| { |
| return ioread8(chip->bmaddr + offset); |
| } |
| |
| static inline u16 igetword(struct intel8x0m *chip, u32 offset) |
| { |
| return ioread16(chip->bmaddr + offset); |
| } |
| |
| static inline u32 igetdword(struct intel8x0m *chip, u32 offset) |
| { |
| return ioread32(chip->bmaddr + offset); |
| } |
| |
| static inline void iputbyte(struct intel8x0m *chip, u32 offset, u8 val) |
| { |
| iowrite8(val, chip->bmaddr + offset); |
| } |
| |
| static inline void iputword(struct intel8x0m *chip, u32 offset, u16 val) |
| { |
| iowrite16(val, chip->bmaddr + offset); |
| } |
| |
| static inline void iputdword(struct intel8x0m *chip, u32 offset, u32 val) |
| { |
| iowrite32(val, chip->bmaddr + offset); |
| } |
| |
| /* |
| * Lowlevel I/O - AC'97 registers |
| */ |
| |
| static inline u16 iagetword(struct intel8x0m *chip, u32 offset) |
| { |
| return ioread16(chip->addr + offset); |
| } |
| |
| static inline void iaputword(struct intel8x0m *chip, u32 offset, u16 val) |
| { |
| iowrite16(val, chip->addr + offset); |
| } |
| |
| /* |
| * Basic I/O |
| */ |
| |
| /* |
| * access to AC97 codec via normal i/o (for ICH and SIS7013) |
| */ |
| |
| /* return the GLOB_STA bit for the corresponding codec */ |
| static unsigned int get_ich_codec_bit(struct intel8x0m *chip, unsigned int codec) |
| { |
| static unsigned int codec_bit[3] = { |
| ICH_PCR, ICH_SCR, ICH_TCR |
| }; |
| if (snd_BUG_ON(codec >= 3)) |
| return ICH_PCR; |
| return codec_bit[codec]; |
| } |
| |
| static int snd_intel8x0m_codec_semaphore(struct intel8x0m *chip, unsigned int codec) |
| { |
| int time; |
| |
| if (codec > 1) |
| return -EIO; |
| codec = get_ich_codec_bit(chip, codec); |
| |
| /* codec ready ? */ |
| if ((igetdword(chip, ICHREG(GLOB_STA)) & codec) == 0) |
| return -EIO; |
| |
| /* Anyone holding a semaphore for 1 msec should be shot... */ |
| time = 100; |
| do { |
| if (!(igetbyte(chip, ICHREG(ACC_SEMA)) & ICH_CAS)) |
| return 0; |
| udelay(10); |
| } while (time--); |
| |
| /* access to some forbidden (non existant) ac97 registers will not |
| * reset the semaphore. So even if you don't get the semaphore, still |
| * continue the access. We don't need the semaphore anyway. */ |
| snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", |
| igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); |
| iagetword(chip, 0); /* clear semaphore flag */ |
| /* I don't care about the semaphore */ |
| return -EBUSY; |
| } |
| |
| static void snd_intel8x0_codec_write(struct snd_ac97 *ac97, |
| unsigned short reg, |
| unsigned short val) |
| { |
| struct intel8x0m *chip = ac97->private_data; |
| |
| if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { |
| if (! chip->in_ac97_init) |
| snd_printk(KERN_ERR "codec_write %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); |
| } |
| iaputword(chip, reg + ac97->num * 0x80, val); |
| } |
| |
| static unsigned short snd_intel8x0_codec_read(struct snd_ac97 *ac97, |
| unsigned short reg) |
| { |
| struct intel8x0m *chip = ac97->private_data; |
| unsigned short res; |
| unsigned int tmp; |
| |
| if (snd_intel8x0m_codec_semaphore(chip, ac97->num) < 0) { |
| if (! chip->in_ac97_init) |
| snd_printk(KERN_ERR "codec_read %d: semaphore is not ready for register 0x%x\n", ac97->num, reg); |
| res = 0xffff; |
| } else { |
| res = iagetword(chip, reg + ac97->num * 0x80); |
| if ((tmp = igetdword(chip, ICHREG(GLOB_STA))) & ICH_RCS) { |
| /* reset RCS and preserve other R/WC bits */ |
| iputdword(chip, ICHREG(GLOB_STA), |
| tmp & ~(ICH_SRI|ICH_PRI|ICH_TRI|ICH_GSCI)); |
| if (! chip->in_ac97_init) |
| snd_printk(KERN_ERR "codec_read %d: read timeout for register 0x%x\n", ac97->num, reg); |
| res = 0xffff; |
| } |
| } |
| if (reg == AC97_GPIO_STATUS) |
| iagetword(chip, 0); /* clear semaphore */ |
| return res; |
| } |
| |
| |
| /* |
| * DMA I/O |
| */ |
| static void snd_intel8x0_setup_periods(struct intel8x0m *chip, struct ichdev *ichdev) |
| { |
| int idx; |
| u32 *bdbar = ichdev->bdbar; |
| unsigned long port = ichdev->reg_offset; |
| |
| iputdword(chip, port + ICH_REG_OFF_BDBAR, ichdev->bdbar_addr); |
| if (ichdev->size == ichdev->fragsize) { |
| ichdev->ack_reload = ichdev->ack = 2; |
| ichdev->fragsize1 = ichdev->fragsize >> 1; |
| for (idx = 0; idx < (ICH_REG_LVI_MASK + 1) * 2; idx += 4) { |
| bdbar[idx + 0] = cpu_to_le32(ichdev->physbuf); |
| bdbar[idx + 1] = cpu_to_le32(0x80000000 | /* interrupt on completion */ |
| ichdev->fragsize1 >> chip->pcm_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 >> chip->pcm_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 >> chip->pcm_pos_shift); |
| /* |
| printk(KERN_DEBUG "bdbar[%i] = 0x%x [0x%x]\n", |
| idx + 0, bdbar[idx + 0], bdbar[idx + 1]); |
| */ |
| } |
| ichdev->frags = ichdev->size / ichdev->fragsize; |
| } |
| iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi = ICH_REG_LVI_MASK); |
| ichdev->civ = 0; |
| iputbyte(chip, port + ICH_REG_OFF_CIV, 0); |
| ichdev->lvi_frag = ICH_REG_LVI_MASK % ichdev->frags; |
| ichdev->position = 0; |
| #if 0 |
| printk(KERN_DEBUG "lvi_frag = %i, frags = %i, period_size = 0x%x, " |
| "period_size1 = 0x%x\n", |
| ichdev->lvi_frag, ichdev->frags, ichdev->fragsize, |
| ichdev->fragsize1); |
| #endif |
| /* clear interrupts */ |
| iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); |
| } |
| |
| /* |
| * Interrupt handler |
| */ |
| |
| static inline void snd_intel8x0_update(struct intel8x0m *chip, struct ichdev *ichdev) |
| { |
| unsigned long port = ichdev->reg_offset; |
| int civ, i, step; |
| int ack = 0; |
| |
| civ = igetbyte(chip, port + ICH_REG_OFF_CIV); |
| 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; |
| ichdev->position %= ichdev->size; |
| ichdev->lvi += step; |
| ichdev->lvi &= ICH_REG_LVI_MASK; |
| iputbyte(chip, port + ICH_REG_OFF_LVI, ichdev->lvi); |
| for (i = 0; i < step; i++) { |
| ichdev->lvi_frag++; |
| ichdev->lvi_frag %= ichdev->frags; |
| ichdev->bdbar[ichdev->lvi * 2] = cpu_to_le32(ichdev->physbuf + |
| ichdev->lvi_frag * |
| ichdev->fragsize1); |
| #if 0 |
| printk(KERN_DEBUG "new: bdbar[%i] = 0x%x [0x%x], " |
| "prefetch = %i, all = 0x%x, 0x%x\n", |
| ichdev->lvi * 2, ichdev->bdbar[ichdev->lvi * 2], |
| ichdev->bdbar[ichdev->lvi * 2 + 1], inb(ICH_REG_OFF_PIV + port), |
| inl(port + 4), inb(port + ICH_REG_OFF_CR)); |
| #endif |
| if (--ichdev->ack == 0) { |
| ichdev->ack = ichdev->ack_reload; |
| ack = 1; |
| } |
| } |
| if (ack && ichdev->substream) { |
| spin_unlock(&chip->reg_lock); |
| snd_pcm_period_elapsed(ichdev->substream); |
| spin_lock(&chip->reg_lock); |
| } |
| iputbyte(chip, port + ichdev->roff_sr, ICH_FIFOE | ICH_BCIS | ICH_LVBCI); |
| } |
| |
| static irqreturn_t snd_intel8x0_interrupt(int irq, void *dev_id) |
| { |
| struct intel8x0m *chip = dev_id; |
| struct ichdev *ichdev; |
| unsigned int status; |
| unsigned int i; |
| |
| spin_lock(&chip->reg_lock); |
| status = igetdword(chip, chip->int_sta_reg); |
| if (status == 0xffffffff) { /* we are not yet resumed */ |
| spin_unlock(&chip->reg_lock); |
| return IRQ_NONE; |
| } |
| if ((status & chip->int_sta_mask) == 0) { |
| if (status) |
| iputdword(chip, chip->int_sta_reg, status); |
| spin_unlock(&chip->reg_lock); |
| return IRQ_NONE; |
| } |
| |
| 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); |
| spin_unlock(&chip->reg_lock); |
| |
| return IRQ_HANDLED; |
| } |
| |
| /* |
| * PCM part |
| */ |
| |
| static int snd_intel8x0_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| { |
| struct intel8x0m *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_START: |
| case SNDRV_PCM_TRIGGER_RESUME: |
| val = ICH_IOCE | ICH_STARTBM; |
| break; |
| case SNDRV_PCM_TRIGGER_STOP: |
| case SNDRV_PCM_TRIGGER_SUSPEND: |
| val = 0; |
| break; |
| case SNDRV_PCM_TRIGGER_PAUSE_PUSH: |
| val = ICH_IOCE; |
| break; |
| case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: |
| val = ICH_IOCE | ICH_STARTBM; |
| break; |
| default: |
| return -EINVAL; |
| } |
| iputbyte(chip, port + ICH_REG_OFF_CR, val); |
| if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
| /* wait until DMA stopped */ |
| while (!(igetbyte(chip, port + ichdev->roff_sr) & ICH_DCH)) ; |
| /* reset whole DMA things */ |
| iputbyte(chip, port + ICH_REG_OFF_CR, ICH_RESETREGS); |
| } |
| return 0; |
| } |
| |
| static int snd_intel8x0_hw_params(struct snd_pcm_substream *substream, |
| struct snd_pcm_hw_params *hw_params) |
| { |
| return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); |
| } |
| |
| static int snd_intel8x0_hw_free(struct snd_pcm_substream *substream) |
| { |
| return snd_pcm_lib_free_pages(substream); |
| } |
| |
| static snd_pcm_uframes_t snd_intel8x0_pcm_pointer(struct snd_pcm_substream *substream) |
| { |
| struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| struct ichdev *ichdev = get_ichdev(substream); |
| size_t ptr1, ptr; |
| |
| ptr1 = igetword(chip, ichdev->reg_offset + ichdev->roff_picb) << chip->pcm_pos_shift; |
| if (ptr1 != 0) |
| ptr = ichdev->fragsize1 - ptr1; |
| else |
| ptr = 0; |
| ptr += ichdev->position; |
| if (ptr >= ichdev->size) |
| return 0; |
| return bytes_to_frames(substream->runtime, ptr); |
| } |
| |
| static int snd_intel8x0m_pcm_prepare(struct snd_pcm_substream *substream) |
| { |
| struct intel8x0m *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); |
| snd_ac97_write(ichdev->ac97, AC97_LINE1_RATE, runtime->rate); |
| snd_ac97_write(ichdev->ac97, AC97_LINE1_LEVEL, 0); |
| snd_intel8x0_setup_periods(chip, ichdev); |
| return 0; |
| } |
| |
| static struct snd_pcm_hardware snd_intel8x0m_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_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT, |
| .rate_min = 8000, |
| .rate_max = 16000, |
| .channels_min = 1, |
| .channels_max = 1, |
| .buffer_bytes_max = 64 * 1024, |
| .period_bytes_min = 32, |
| .period_bytes_max = 64 * 1024, |
| .periods_min = 1, |
| .periods_max = 1024, |
| .fifo_size = 0, |
| }; |
| |
| |
| static int snd_intel8x0m_pcm_open(struct snd_pcm_substream *substream, struct ichdev *ichdev) |
| { |
| static unsigned int rates[] = { 8000, 9600, 12000, 16000 }; |
| static struct snd_pcm_hw_constraint_list hw_constraints_rates = { |
| .count = ARRAY_SIZE(rates), |
| .list = rates, |
| .mask = 0, |
| }; |
| struct snd_pcm_runtime *runtime = substream->runtime; |
| int err; |
| |
| ichdev->substream = substream; |
| runtime->hw = snd_intel8x0m_stream; |
| err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
| &hw_constraints_rates); |
| if ( err < 0 ) |
| return err; |
| runtime->private_data = ichdev; |
| return 0; |
| } |
| |
| static int snd_intel8x0m_playback_open(struct snd_pcm_substream *substream) |
| { |
| struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| |
| return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMOUT]); |
| } |
| |
| static int snd_intel8x0m_playback_close(struct snd_pcm_substream *substream) |
| { |
| struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| |
| chip->ichd[ICHD_MDMOUT].substream = NULL; |
| return 0; |
| } |
| |
| static int snd_intel8x0m_capture_open(struct snd_pcm_substream *substream) |
| { |
| struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| |
| return snd_intel8x0m_pcm_open(substream, &chip->ichd[ICHD_MDMIN]); |
| } |
| |
| static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream) |
| { |
| struct intel8x0m *chip = snd_pcm_substream_chip(substream); |
| |
| chip->ichd[ICHD_MDMIN].substream = NULL; |
| return 0; |
| } |
| |
| |
| static struct snd_pcm_ops snd_intel8x0m_playback_ops = { |
| .open = snd_intel8x0m_playback_open, |
| .close = snd_intel8x0m_playback_close, |
| .ioctl = snd_pcm_lib_ioctl, |
| .hw_params = snd_intel8x0_hw_params, |
| .hw_free = snd_intel8x0_hw_free, |
| .prepare = snd_intel8x0m_pcm_prepare, |
| .trigger = snd_intel8x0_pcm_trigger, |
| .pointer = snd_intel8x0_pcm_pointer, |
| }; |
| |
| static struct snd_pcm_ops snd_intel8x0m_capture_ops = { |
| .open = snd_intel8x0m_capture_open, |
| .close = snd_intel8x0m_capture_close, |
| .ioctl = snd_pcm_lib_ioctl, |
| .hw_params = snd_intel8x0_hw_params, |
| .hw_free = snd_intel8x0_hw_free, |
| .prepare = snd_intel8x0m_pcm_prepare, |
| .trigger = snd_intel8x0_pcm_trigger, |
| .pointer = snd_intel8x0_pcm_pointer, |
| }; |
| |
| |
| struct ich_pcm_table { |
| char *suffix; |
| struct snd_pcm_ops *playback_ops; |
| struct snd_pcm_ops *capture_ops; |
| size_t prealloc_size; |
| size_t prealloc_max_size; |
| int ac97_idx; |
| }; |
| |
| static int __devinit snd_intel8x0_pcm1(struct intel8x0m *chip, int device, |
| struct ich_pcm_table *rec) |
| { |
| struct snd_pcm *pcm; |
| int err; |
| char name[32]; |
| |
| if (rec->suffix) |
| sprintf(name, "Intel ICH - %s", rec->suffix); |
| else |
| strcpy(name, "Intel ICH"); |
| err = snd_pcm_new(chip->card, name, device, |
| rec->playback_ops ? 1 : 0, |
| rec->capture_ops ? 1 : 0, &pcm); |
| if (err < 0) |
| return err; |
| |
| if (rec->playback_ops) |
| snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, rec->playback_ops); |
| if (rec->capture_ops) |
| snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, rec->capture_ops); |
| |
| pcm->private_data = chip; |
| pcm->info_flags = 0; |
| pcm->dev_class = SNDRV_PCM_CLASS_MODEM; |
| if (rec->suffix) |
| sprintf(pcm->name, "%s - %s", chip->card->shortname, rec->suffix); |
| else |
| strcpy(pcm->name, chip->card->shortname); |
| chip->pcm[device] = pcm; |
| |
| snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
| snd_dma_pci_data(chip->pci), |
| rec->prealloc_size, |
| rec->prealloc_max_size); |
| |
| return 0; |
| } |
| |
| static struct ich_pcm_table intel_pcms[] __devinitdata = { |
| { |
| .suffix = "Modem", |
| .playback_ops = &snd_intel8x0m_playback_ops, |
| .capture_ops = &snd_intel8x0m_capture_ops, |
| .prealloc_size = 32 * 1024, |
| .prealloc_max_size = 64 * 1024, |
| }, |
| }; |
| |
| static int __devinit snd_intel8x0_pcm(struct intel8x0m *chip) |
| { |
| int i, tblsize, device, err; |
| struct ich_pcm_table *tbl, *rec; |
| |
| #if 1 |
| tbl = intel_pcms; |
| tblsize = 1; |
| #else |
| switch (chip->device_type) { |
| case DEVICE_NFORCE: |
| tbl = nforce_pcms; |
| tblsize = ARRAY_SIZE(nforce_pcms); |
| break; |
| case DEVICE_ALI: |
| tbl = ali_pcms; |
| tblsize = ARRAY_SIZE(ali_pcms); |
| break; |
| default: |
| tbl = intel_pcms; |
| tblsize = 2; |
| break; |
| } |
| #endif |
| 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].ac97) |
| 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 intel8x0m *chip = bus->private_data; |
| chip->ac97_bus = NULL; |
| } |
| |
| static void snd_intel8x0_mixer_free_ac97(struct snd_ac97 *ac97) |
| { |
| struct intel8x0m *chip = ac97->private_data; |
| chip->ac97 = NULL; |
| } |
| |
| |
| static int __devinit snd_intel8x0_mixer(struct intel8x0m *chip, int ac97_clock) |
| { |
| struct snd_ac97_bus *pbus; |
| struct snd_ac97_template ac97; |
| struct snd_ac97 *x97; |
| int err; |
| unsigned int glob_sta = 0; |
| static struct snd_ac97_bus_ops ops = { |
| .write = snd_intel8x0_codec_write, |
| .read = snd_intel8x0_codec_read, |
| }; |
| |
| 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_AUDIO | AC97_SCAP_POWER_SAVE; |
| |
| glob_sta = igetdword(chip, ICHREG(GLOB_STA)); |
| |
| 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; |
| chip->ac97_bus = pbus; |
| |
| ac97.pci = chip->pci; |
| ac97.num = glob_sta & ICH_SCR ? 1 : 0; |
| if ((err = snd_ac97_mixer(pbus, &ac97, &x97)) < 0) { |
| snd_printk(KERN_ERR "Unable to initialize codec #%d\n", ac97.num); |
| if (ac97.num == 0) |
| goto __err; |
| return err; |
| } |
| chip->ac97 = x97; |
| if(ac97_is_modem(x97) && !chip->ichd[ICHD_MDMIN].ac97) { |
| chip->ichd[ICHD_MDMIN].ac97 = x97; |
| chip->ichd[ICHD_MDMOUT].ac97 = x97; |
| } |
| |
| 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 int snd_intel8x0m_ich_chip_init(struct intel8x0m *chip, int probing) |
| { |
| unsigned long end_time; |
| unsigned int cnt, status, nstatus; |
| |
| /* put logic to right state */ |
| /* first clear status bits */ |
| status = ICH_RCS | ICH_MIINT | ICH_MOINT; |
| cnt = igetdword(chip, ICHREG(GLOB_STA)); |
| iputdword(chip, ICHREG(GLOB_STA), cnt & status); |
| |
| /* ACLink on, 2 channels */ |
| cnt = igetdword(chip, ICHREG(GLOB_CNT)); |
| cnt &= ~(ICH_ACLINK); |
| /* finish cold or do warm reset */ |
| cnt |= (cnt & ICH_AC97COLD) == 0 ? ICH_AC97COLD : ICH_AC97WARM; |
| iputdword(chip, ICHREG(GLOB_CNT), cnt); |
| end_time = (jiffies + (HZ / 4)) + 1; |
| do { |
| if ((igetdword(chip, ICHREG(GLOB_CNT)) & ICH_AC97WARM) == 0) |
| goto __ok; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| snd_printk(KERN_ERR "AC'97 warm reset still in progress? [0x%x]\n", |
| igetdword(chip, ICHREG(GLOB_CNT))); |
| return -EIO; |
| |
| __ok: |
| if (probing) { |
| /* wait for any codec ready status. |
| * Once it becomes ready it should remain ready |
| * as long as we do not disable the ac97 link. |
| */ |
| end_time = jiffies + HZ; |
| do { |
| status = igetdword(chip, ICHREG(GLOB_STA)) & |
| (ICH_PCR | ICH_SCR | ICH_TCR); |
| if (status) |
| break; |
| schedule_timeout_uninterruptible(1); |
| } while (time_after_eq(end_time, jiffies)); |
| if (! status) { |
| /* no codec is found */ |
| snd_printk(KERN_ERR "codec_ready: codec is not ready [0x%x]\n", |
| igetdword(chip, ICHREG(GLOB_STA))); |
| return -EIO; |
| } |
| |
| /* up to two codecs (modem cannot be tertiary with ICH4) */ |
| nstatus = ICH_PCR | ICH_SCR; |
| |
| /* wait for other codecs ready status. */ |
| end_time = jiffies + HZ / 4; |
| while (status != nstatus && time_after_eq(end_time, jiffies)) { |
| schedule_timeout_uninterruptible(1); |
| status |= igetdword(chip, ICHREG(GLOB_STA)) & nstatus; |
| } |
| |
| } else { |
| /* resume phase */ |
| status = 0; |
| if (chip->ac97) |
| status |= get_ich_codec_bit(chip, chip->ac97->num); |
| /* wait until all the probed codecs are ready */ |
| end_time = jiffies + HZ; |
| do { |
| nstatus = igetdword(chip, ICHREG(GLOB_STA)) & |
| (ICH_PCR | ICH_SCR | ICH_TCR); |
| if (status == nstatus) |
| break; |
| 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); |
| } |
| |
| return 0; |
| } |
| |
| static int snd_intel8x0_chip_init(struct intel8x0m *chip, int probing) |
| { |
| unsigned int i; |
| int err; |
| |
| if ((err = snd_intel8x0m_ich_chip_init(chip, probing)) < 0) |
| return err; |
| iagetword(chip, 0); /* clear semaphore flag */ |
| |
| /* disable interrupts */ |
| for (i = 0; i < chip->bdbars_count; i++) |
| iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, 0x00); |
| /* reset channels */ |
| for (i = 0; i < chip->bdbars_count; i++) |
| iputbyte(chip, ICH_REG_OFF_CR + chip->ichd[i].reg_offset, ICH_RESETREGS); |
| /* initialize Buffer Descriptor Lists */ |
| for (i = 0; i < chip->bdbars_count; i++) |
| iputdword(chip, ICH_REG_OFF_BDBAR + chip->ichd[i].reg_offset, chip->ichd[i].bdbar_addr); |
| return 0; |
| } |
| |
| static int snd_intel8x0_free(struct intel8x0m *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); |
| __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 |
| /* |
| * power management |
| */ |
| static int intel8x0m_suspend(struct pci_dev *pci, pm_message_t state) |
| { |
| struct snd_card *card = pci_get_drvdata(pci); |
| struct intel8x0m *chip = card->private_data; |
| int i; |
| |
| snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
| for (i = 0; i < chip->pcm_devs; i++) |
| snd_pcm_suspend_all(chip->pcm[i]); |
| snd_ac97_suspend(chip->ac97); |
| if (chip->irq >= 0) { |
| free_irq(chip->irq, chip); |
| chip->irq = -1; |
| } |
| pci_disable_device(pci); |
| pci_save_state(pci); |
| pci_set_power_state(pci, pci_choose_state(pci, state)); |
| return 0; |
| } |
| |
| static int intel8x0m_resume(struct pci_dev *pci) |
| { |
| struct snd_card *card = pci_get_drvdata(pci); |
| struct intel8x0m *chip = card->private_data; |
| |
| pci_set_power_state(pci, PCI_D0); |
| pci_restore_state(pci); |
| if (pci_enable_device(pci) < 0) { |
| printk(KERN_ERR "intel8x0m: pci_enable_device failed, " |
| "disabling device\n"); |
| snd_card_disconnect(card); |
| return -EIO; |
| } |
| pci_set_master(pci); |
| if (request_irq(pci->irq, snd_intel8x0_interrupt, |
| IRQF_SHARED, card->shortname, chip)) { |
| printk(KERN_ERR "intel8x0m: unable to grab IRQ %d, " |
| "disabling device\n", pci->irq); |
| snd_card_disconnect(card); |
| return -EIO; |
| } |
| chip->irq = pci->irq; |
| snd_intel8x0_chip_init(chip, 0); |
| snd_ac97_resume(chip->ac97); |
| |
| snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
| return 0; |
| } |
| #endif /* CONFIG_PM */ |
| |
| #ifdef CONFIG_PROC_FS |
| static void snd_intel8x0m_proc_read(struct snd_info_entry * entry, |
| struct snd_info_buffer *buffer) |
| { |
| struct intel8x0m *chip = entry->private_data; |
| unsigned int tmp; |
| |
| snd_iprintf(buffer, "Intel8x0m\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); |
| snd_iprintf(buffer, "AC'97 codecs ready :%s%s%s%s\n", |
| tmp & ICH_PCR ? " primary" : "", |
| tmp & ICH_SCR ? " secondary" : "", |
| tmp & ICH_TCR ? " tertiary" : "", |
| (tmp & (ICH_PCR | ICH_SCR | ICH_TCR)) == 0 ? " none" : ""); |
| } |
| |
| static void __devinit snd_intel8x0m_proc_init(struct intel8x0m * chip) |
| { |
| struct snd_info_entry *entry; |
| |
| if (! snd_card_proc_new(chip->card, "intel8x0m", &entry)) |
| snd_info_set_text_ops(entry, chip, snd_intel8x0m_proc_read); |
| } |
| #else /* !CONFIG_PROC_FS */ |
| #define snd_intel8x0m_proc_init(chip) |
| #endif /* CONFIG_PROC_FS */ |
| |
| |
| static int snd_intel8x0_dev_free(struct snd_device *device) |
| { |
| struct intel8x0m *chip = device->device_data; |
| return snd_intel8x0_free(chip); |
| } |
| |
| struct ich_reg_info { |
| unsigned int int_sta_mask; |
| unsigned int offset; |
| }; |
| |
| static int __devinit snd_intel8x0m_create(struct snd_card *card, |
| struct pci_dev *pci, |
| unsigned long device_type, |
| struct intel8x0m ** r_intel8x0) |
| { |
| struct intel8x0m *chip; |
| int err; |
| unsigned int i; |
| unsigned int int_sta_masks; |
| struct ichdev *ichdev; |
| static struct snd_device_ops ops = { |
| .dev_free = snd_intel8x0_dev_free, |
| }; |
| static struct ich_reg_info intel_regs[2] = { |
| { ICH_MIINT, 0 }, |
| { ICH_MOINT, 0x10 }, |
| }; |
| 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; |
| |
| if ((err = pci_request_regions(pci, card->shortname)) < 0) { |
| kfree(chip); |
| pci_disable_device(pci); |
| return err; |
| } |
| |
| if (device_type == DEVICE_ALI) { |
| /* ALI5455 has no ac97 region */ |
| chip->bmaddr = pci_iomap(pci, 0, 0); |
| goto port_inited; |
| } |
| |
| if (pci_resource_flags(pci, 2) & IORESOURCE_MEM) /* ICH4 and Nforce */ |
| chip->addr = pci_iomap(pci, 2, 0); |
| else |
| chip->addr = pci_iomap(pci, 0, 0); |
| if (!chip->addr) { |
| snd_printk(KERN_ERR "AC'97 space ioremap problem\n"); |
| snd_intel8x0_free(chip); |
| return -EIO; |
| } |
| if (pci_resource_flags(pci, 3) & IORESOURCE_MEM) /* ICH4 */ |
| chip->bmaddr = pci_iomap(pci, 3, 0); |
| else |
| chip->bmaddr = pci_iomap(pci, 1, 0); |
| if (!chip->bmaddr) { |
| snd_printk(KERN_ERR "Controller space ioremap problem\n"); |
| snd_intel8x0_free(chip); |
| return -EIO; |
| } |
| |
| port_inited: |
| if (request_irq(pci->irq, snd_intel8x0_interrupt, IRQF_SHARED, |
| card->shortname, chip)) { |
| snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); |
| snd_intel8x0_free(chip); |
| return -EBUSY; |
| } |
| chip->irq = pci->irq; |
| pci_set_master(pci); |
| synchronize_irq(chip->irq); |
| |
| /* initialize offsets */ |
| chip->bdbars_count = 2; |
| tbl = intel_regs; |
| |
| 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 7013 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; |
| } |
| /* SIS7013 handles the pcm data in bytes, others are in words */ |
| chip->pcm_pos_shift = (device_type == DEVICE_SIS) ? 0 : 1; |
| |
| /* allocate buffer descriptor lists */ |
| /* the start of each lists must be aligned to 8 bytes */ |
| if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), |
| chip->bdbars_count * sizeof(u32) * ICH_MAX_FRAGS * 2, |
| &chip->bdbars) < 0) { |
| snd_intel8x0_free(chip); |
| 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 = ((u32 *)chip->bdbars.area) + (i * ICH_MAX_FRAGS * 2); |
| ichdev->bdbar_addr = chip->bdbars.addr + (i * sizeof(u32) * ICH_MAX_FRAGS * 2); |
| int_sta_masks |= ichdev->int_sta_mask; |
| } |
| chip->int_sta_reg = ICH_REG_GLOB_STA; |
| chip->int_sta_mask = int_sta_masks; |
| |
| if ((err = snd_intel8x0_chip_init(chip, 1)) < 0) { |
| snd_intel8x0_free(chip); |
| return err; |
| } |
| |
| if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { |
| snd_intel8x0_free(chip); |
| return err; |
| } |
| |
| snd_card_set_dev(card, &pci->dev); |
| |
| *r_intel8x0 = chip; |
| return 0; |
| } |
| |
| static struct shortname_table { |
| unsigned int id; |
| const char *s; |
| } shortnames[] __devinitdata = { |
| { PCI_DEVICE_ID_INTEL_82801AA_6, "Intel 82801AA-ICH" }, |
| { PCI_DEVICE_ID_INTEL_82801AB_6, "Intel 82901AB-ICH0" }, |
| { PCI_DEVICE_ID_INTEL_82801BA_6, "Intel 82801BA-ICH2" }, |
| { PCI_DEVICE_ID_INTEL_440MX_6, "Intel 440MX" }, |
| { PCI_DEVICE_ID_INTEL_82801CA_6, "Intel 82801CA-ICH3" }, |
| { PCI_DEVICE_ID_INTEL_82801DB_6, "Intel 82801DB-ICH4" }, |
| { PCI_DEVICE_ID_INTEL_82801EB_6, "Intel ICH5" }, |
| { PCI_DEVICE_ID_INTEL_ICH6_17, "Intel ICH6" }, |
| { PCI_DEVICE_ID_INTEL_ICH7_19, "Intel ICH7" }, |
| { 0x7446, "AMD AMD768" }, |
| { PCI_DEVICE_ID_SI_7013, "SiS SI7013" }, |
| { PCI_DEVICE_ID_NVIDIA_MCP1_MODEM, "NVidia nForce" }, |
| { PCI_DEVICE_ID_NVIDIA_MCP2_MODEM, "NVidia nForce2" }, |
| { PCI_DEVICE_ID_NVIDIA_MCP2S_MODEM, "NVidia nForce2s" }, |
| { PCI_DEVICE_ID_NVIDIA_MCP3_MODEM, "NVidia nForce3" }, |
| #if 0 |
| { 0x5455, "ALi M5455" }, |
| { 0x746d, "AMD AMD8111" }, |
| #endif |
| { 0 }, |
| }; |
| |
| static int __devinit snd_intel8x0m_probe(struct pci_dev *pci, |
| const struct pci_device_id *pci_id) |
| { |
| struct snd_card *card; |
| struct intel8x0m *chip; |
| int err; |
| struct shortname_table *name; |
| |
| card = snd_card_new(index, id, THIS_MODULE, 0); |
| if (card == NULL) |
| return -ENOMEM; |
| |
| strcpy(card->driver, "ICH-MODEM"); |
| strcpy(card->shortname, "Intel ICH"); |
| for (name = shortnames; name->id; name++) { |
| if (pci->device == name->id) { |
| strcpy(card->shortname, name->s); |
| break; |
| } |
| } |
| strcat(card->shortname," Modem"); |
| |
| if ((err = snd_intel8x0m_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)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if ((err = snd_intel8x0_pcm(chip)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| |
| snd_intel8x0m_proc_init(chip); |
| |
| sprintf(card->longname, "%s at irq %i", |
| card->shortname, chip->irq); |
| |
| if ((err = snd_card_register(card)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| pci_set_drvdata(pci, card); |
| return 0; |
| } |
| |
| static void __devexit snd_intel8x0m_remove(struct pci_dev *pci) |
| { |
| snd_card_free(pci_get_drvdata(pci)); |
| pci_set_drvdata(pci, NULL); |
| } |
| |
| static struct pci_driver driver = { |
| .name = "Intel ICH Modem", |
| .id_table = snd_intel8x0m_ids, |
| .probe = snd_intel8x0m_probe, |
| .remove = __devexit_p(snd_intel8x0m_remove), |
| #ifdef CONFIG_PM |
| .suspend = intel8x0m_suspend, |
| .resume = intel8x0m_resume, |
| #endif |
| }; |
| |
| |
| static int __init alsa_card_intel8x0m_init(void) |
| { |
| return pci_register_driver(&driver); |
| } |
| |
| static void __exit alsa_card_intel8x0m_exit(void) |
| { |
| pci_unregister_driver(&driver); |
| } |
| |
| module_init(alsa_card_intel8x0m_init) |
| module_exit(alsa_card_intel8x0m_exit) |