diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/intel8x0m.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/intel8x0m.c | 1350 |
1 files changed, 0 insertions, 1350 deletions
diff --git a/ANDROID_3.4.5/sound/pci/intel8x0m.c b/ANDROID_3.4.5/sound/pci/intel8x0m.c deleted file mode 100644 index d689913a..00000000 --- a/ANDROID_3.4.5/sound/pci/intel8x0m.c +++ /dev/null @@ -1,1350 +0,0 @@ -/* - * 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/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 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 bool 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 DEFINE_PCI_DEVICE_TABLE(snd_intel8x0m_ids) = { - { PCI_VDEVICE(INTEL, 0x2416), DEVICE_INTEL }, /* 82801AA */ - { PCI_VDEVICE(INTEL, 0x2426), DEVICE_INTEL }, /* 82901AB */ - { PCI_VDEVICE(INTEL, 0x2446), DEVICE_INTEL }, /* 82801BA */ - { PCI_VDEVICE(INTEL, 0x2486), DEVICE_INTEL }, /* ICH3 */ - { PCI_VDEVICE(INTEL, 0x24c6), DEVICE_INTEL }, /* ICH4 */ - { PCI_VDEVICE(INTEL, 0x24d6), DEVICE_INTEL }, /* ICH5 */ - { PCI_VDEVICE(INTEL, 0x266d), DEVICE_INTEL }, /* ICH6 */ - { PCI_VDEVICE(INTEL, 0x27dd), DEVICE_INTEL }, /* ICH7 */ - { PCI_VDEVICE(INTEL, 0x7196), DEVICE_INTEL }, /* 440MX */ - { PCI_VDEVICE(AMD, 0x7446), DEVICE_INTEL }, /* AMD768 */ - { PCI_VDEVICE(SI, 0x7013), DEVICE_SIS }, /* SI7013 */ - { PCI_VDEVICE(NVIDIA, 0x01c1), DEVICE_NFORCE }, /* NFORCE */ - { PCI_VDEVICE(NVIDIA, 0x0069), DEVICE_NFORCE }, /* NFORCE2 */ - { PCI_VDEVICE(NVIDIA, 0x0089), DEVICE_NFORCE }, /* NFORCE2s */ - { PCI_VDEVICE(NVIDIA, 0x00d9), DEVICE_NFORCE }, /* NFORCE3 */ - { PCI_VDEVICE(AMD, 0x746e), DEVICE_INTEL }, /* AMD8111 */ -#if 0 - { PCI_VDEVICE(AL, 0x5455), 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 existent) ac97 registers will not - * reset the semaphore. So even if you don't get the semaphore, still - * continue the access. We don't need the semaphore anyway. */ - snd_printk(KERN_ERR "codec_semaphore: semaphore is not ready [0x%x][0x%x]\n", - igetbyte(chip, ICHREG(ACC_SEMA)), igetdword(chip, ICHREG(GLOB_STA))); - iagetword(chip, 0); /* clear semaphore flag */ - /* I don't care about the semaphore */ - return -EBUSY; -} - -static void snd_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static snd_pcm_uframes_t snd_intel8x0m_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_intel8x0m_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_intel8x0m_hw_params, - .hw_free = snd_intel8x0m_hw_free, - .prepare = snd_intel8x0m_pcm_prepare, - .trigger = snd_intel8x0m_pcm_trigger, - .pointer = snd_intel8x0m_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_intel8x0m_hw_params, - .hw_free = snd_intel8x0m_hw_free, - .prepare = snd_intel8x0m_pcm_prepare, - .trigger = snd_intel8x0m_pcm_trigger, - .pointer = snd_intel8x0m_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_intel8x0m_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_intel8x0m_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_intel8x0m_pcm1(chip, device, rec); - if (err < 0) - return err; - device++; - } - - chip->pcm_devs = device; - return 0; -} - - -/* - * Mixer part - */ - -static void snd_intel8x0m_mixer_free_ac97_bus(struct snd_ac97_bus *bus) -{ - struct intel8x0m *chip = bus->private_data; - chip->ac97_bus = NULL; -} - -static void snd_intel8x0m_mixer_free_ac97(struct snd_ac97 *ac97) -{ - struct intel8x0m *chip = ac97->private_data; - chip->ac97 = NULL; -} - - -static int __devinit snd_intel8x0m_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_intel8x0m_codec_write, - .read = snd_intel8x0m_codec_read, - }; - - chip->in_ac97_init = 1; - - memset(&ac97, 0, sizeof(ac97)); - ac97.private_data = chip; - ac97.private_free = snd_intel8x0m_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_intel8x0m_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); - usleep_range(500, 1000); /* give warm reset some time */ - end_time = jiffies + HZ / 4; - 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_intel8x0m_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_intel8x0m_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_intel8x0m_interrupt, - IRQF_SHARED, KBUILD_MODNAME, 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_intel8x0m_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_intel8x0m_dev_free(struct snd_device *device) -{ - struct intel8x0m *chip = device->device_data; - return snd_intel8x0m_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_intel8x0m) -{ - 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_intel8x0m_dev_free, - }; - static struct ich_reg_info intel_regs[2] = { - { ICH_MIINT, 0 }, - { ICH_MOINT, 0x10 }, - }; - struct ich_reg_info *tbl; - - *r_intel8x0m = 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_intel8x0m_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_intel8x0m_free(chip); - return -EIO; - } - - port_inited: - if (request_irq(pci->irq, snd_intel8x0m_interrupt, IRQF_SHARED, - KBUILD_MODNAME, chip)) { - snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); - snd_intel8x0m_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_intel8x0m_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_intel8x0m_chip_init(chip, 1)) < 0) { - snd_intel8x0m_free(chip); - return err; - } - - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { - snd_intel8x0m_free(chip); - return err; - } - - snd_card_set_dev(card, &pci->dev); - - *r_intel8x0m = 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" }, - { 0x746e, "AMD AMD8111" }, -#if 0 - { 0x5455, "ALi M5455" }, -#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; - - err = snd_card_create(index, id, THIS_MODULE, 0, &card); - if (err < 0) - return err; - - 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_intel8x0m_mixer(chip, ac97_clock)) < 0) { - snd_card_free(card); - return err; - } - if ((err = snd_intel8x0m_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 = KBUILD_MODNAME, - .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) |