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sound/pci/atiixp_modem.c
35.9 KB
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/* * ALSA driver for ATI IXP 150/200/250 AC97 modem controllers * * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> * * 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 * */ |
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#include <asm/io.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/pci.h> #include <linux/slab.h> |
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#include <linux/module.h> |
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#include <linux/mutex.h> |
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#include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/info.h> #include <sound/ac97_codec.h> #include <sound/initval.h> MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); MODULE_DESCRIPTION("ATI IXP MC97 controller"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{ATI,IXP150/200/250}}"); |
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static int index = -2; /* Exclude the first card */ static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ static int ac97_clock = 48000; |
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module_param(index, int, 0444); |
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MODULE_PARM_DESC(index, "Index value for ATI IXP controller."); |
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module_param(id, charp, 0444); |
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MODULE_PARM_DESC(id, "ID string for ATI IXP controller."); |
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module_param(ac97_clock, int, 0444); |
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MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); |
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/* just for backward compatibility */ |
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static bool enable; |
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module_param(enable, bool, 0444); |
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/* */ #define ATI_REG_ISR 0x00 /* interrupt source */ #define ATI_REG_ISR_MODEM_IN_XRUN (1U<<0) #define ATI_REG_ISR_MODEM_IN_STATUS (1U<<1) #define ATI_REG_ISR_MODEM_OUT1_XRUN (1U<<2) #define ATI_REG_ISR_MODEM_OUT1_STATUS (1U<<3) #define ATI_REG_ISR_MODEM_OUT2_XRUN (1U<<4) #define ATI_REG_ISR_MODEM_OUT2_STATUS (1U<<5) #define ATI_REG_ISR_MODEM_OUT3_XRUN (1U<<6) #define ATI_REG_ISR_MODEM_OUT3_STATUS (1U<<7) #define ATI_REG_ISR_PHYS_INTR (1U<<8) #define ATI_REG_ISR_PHYS_MISMATCH (1U<<9) #define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10) #define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11) #define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12) #define ATI_REG_ISR_NEW_FRAME (1U<<13) #define ATI_REG_ISR_MODEM_GPIO_DATA (1U<<14) #define ATI_REG_IER 0x04 /* interrupt enable */ #define ATI_REG_IER_MODEM_IN_XRUN_EN (1U<<0) #define ATI_REG_IER_MODEM_STATUS_EN (1U<<1) #define ATI_REG_IER_MODEM_OUT1_XRUN_EN (1U<<2) #define ATI_REG_IER_MODEM_OUT2_XRUN_EN (1U<<4) #define ATI_REG_IER_MODEM_OUT3_XRUN_EN (1U<<6) #define ATI_REG_IER_PHYS_INTR_EN (1U<<8) #define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9) #define ATI_REG_IER_CODEC0_INTR_EN (1U<<10) #define ATI_REG_IER_CODEC1_INTR_EN (1U<<11) #define ATI_REG_IER_CODEC2_INTR_EN (1U<<12) #define ATI_REG_IER_NEW_FRAME_EN (1U<<13) /* (RO */ #define ATI_REG_IER_MODEM_GPIO_DATA_EN (1U<<14) /* (WO) modem is running */ #define ATI_REG_IER_MODEM_SET_BUS_BUSY (1U<<15) #define ATI_REG_CMD 0x08 /* command */ #define ATI_REG_CMD_POWERDOWN (1U<<0) #define ATI_REG_CMD_MODEM_RECEIVE_EN (1U<<1) /* modem only */ #define ATI_REG_CMD_MODEM_SEND1_EN (1U<<2) /* modem only */ #define ATI_REG_CMD_MODEM_SEND2_EN (1U<<3) /* modem only */ #define ATI_REG_CMD_MODEM_SEND3_EN (1U<<4) /* modem only */ #define ATI_REG_CMD_MODEM_STATUS_MEM (1U<<5) /* modem only */ #define ATI_REG_CMD_MODEM_IN_DMA_EN (1U<<8) /* modem only */ #define ATI_REG_CMD_MODEM_OUT_DMA1_EN (1U<<9) /* modem only */ #define ATI_REG_CMD_MODEM_OUT_DMA2_EN (1U<<10) /* modem only */ #define ATI_REG_CMD_MODEM_OUT_DMA3_EN (1U<<11) /* modem only */ #define ATI_REG_CMD_AUDIO_PRESENT (1U<<20) #define ATI_REG_CMD_MODEM_GPIO_THRU_DMA (1U<<22) /* modem only */ #define ATI_REG_CMD_LOOPBACK_EN (1U<<23) #define ATI_REG_CMD_PACKED_DIS (1U<<24) #define ATI_REG_CMD_BURST_EN (1U<<25) #define ATI_REG_CMD_PANIC_EN (1U<<26) #define ATI_REG_CMD_MODEM_PRESENT (1U<<27) #define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28) #define ATI_REG_CMD_AC_SOFT_RESET (1U<<29) #define ATI_REG_CMD_AC_SYNC (1U<<30) #define ATI_REG_CMD_AC_RESET (1U<<31) #define ATI_REG_PHYS_OUT_ADDR 0x0c #define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0) #define ATI_REG_PHYS_OUT_RW (1U<<2) #define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8) #define ATI_REG_PHYS_OUT_ADDR_SHIFT 9 #define ATI_REG_PHYS_OUT_DATA_SHIFT 16 #define ATI_REG_PHYS_IN_ADDR 0x10 #define ATI_REG_PHYS_IN_READ_FLAG (1U<<8) #define ATI_REG_PHYS_IN_ADDR_SHIFT 9 #define ATI_REG_PHYS_IN_DATA_SHIFT 16 #define ATI_REG_SLOTREQ 0x14 #define ATI_REG_COUNTER 0x18 #define ATI_REG_COUNTER_SLOT (3U<<0) /* slot # */ #define ATI_REG_COUNTER_BITCLOCK (31U<<8) #define ATI_REG_IN_FIFO_THRESHOLD 0x1c #define ATI_REG_MODEM_IN_DMA_LINKPTR 0x20 #define ATI_REG_MODEM_IN_DMA_DT_START 0x24 /* RO */ #define ATI_REG_MODEM_IN_DMA_DT_NEXT 0x28 /* RO */ #define ATI_REG_MODEM_IN_DMA_DT_CUR 0x2c /* RO */ #define ATI_REG_MODEM_IN_DMA_DT_SIZE 0x30 #define ATI_REG_MODEM_OUT_FIFO 0x34 /* output threshold */ #define ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK (0xf<<16) #define ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT 16 #define ATI_REG_MODEM_OUT_DMA1_LINKPTR 0x38 #define ATI_REG_MODEM_OUT_DMA2_LINKPTR 0x3c #define ATI_REG_MODEM_OUT_DMA3_LINKPTR 0x40 #define ATI_REG_MODEM_OUT_DMA1_DT_START 0x44 #define ATI_REG_MODEM_OUT_DMA1_DT_NEXT 0x48 #define ATI_REG_MODEM_OUT_DMA1_DT_CUR 0x4c #define ATI_REG_MODEM_OUT_DMA2_DT_START 0x50 #define ATI_REG_MODEM_OUT_DMA2_DT_NEXT 0x54 #define ATI_REG_MODEM_OUT_DMA2_DT_CUR 0x58 #define ATI_REG_MODEM_OUT_DMA3_DT_START 0x5c #define ATI_REG_MODEM_OUT_DMA3_DT_NEXT 0x60 #define ATI_REG_MODEM_OUT_DMA3_DT_CUR 0x64 #define ATI_REG_MODEM_OUT_DMA12_DT_SIZE 0x68 #define ATI_REG_MODEM_OUT_DMA3_DT_SIZE 0x6c #define ATI_REG_MODEM_OUT_FIFO_USED 0x70 #define ATI_REG_MODEM_OUT_GPIO 0x74 #define ATI_REG_MODEM_OUT_GPIO_EN 1 #define ATI_REG_MODEM_OUT_GPIO_DATA_SHIFT 5 #define ATI_REG_MODEM_IN_GPIO 0x78 #define ATI_REG_MODEM_MIRROR 0x7c #define ATI_REG_AUDIO_MIRROR 0x80 #define ATI_REG_MODEM_FIFO_FLUSH 0x88 #define ATI_REG_MODEM_FIFO_OUT1_FLUSH (1U<<0) #define ATI_REG_MODEM_FIFO_OUT2_FLUSH (1U<<1) #define ATI_REG_MODEM_FIFO_OUT3_FLUSH (1U<<2) #define ATI_REG_MODEM_FIFO_IN_FLUSH (1U<<3) /* LINKPTR */ #define ATI_REG_LINKPTR_EN (1U<<0) #define ATI_MAX_DESCRIPTORS 256 /* max number of descriptor packets */ |
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struct atiixp_modem; |
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/* * DMA packate descriptor */ |
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struct atiixp_dma_desc { |
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u32 addr; /* DMA buffer address */ u16 status; /* status bits */ u16 size; /* size of the packet in dwords */ u32 next; /* address of the next packet descriptor */ |
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}; |
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/* * stream enum */ enum { ATI_DMA_PLAYBACK, ATI_DMA_CAPTURE, NUM_ATI_DMAS }; /* DMAs */ enum { ATI_PCM_OUT, ATI_PCM_IN, NUM_ATI_PCMS }; /* AC97 pcm slots */ enum { ATI_PCMDEV_ANALOG, NUM_ATI_PCMDEVS }; /* pcm devices */ #define NUM_ATI_CODECS 3 /* * constants and callbacks for each DMA type */ |
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struct atiixp_dma_ops { |
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int type; /* ATI_DMA_XXX */ unsigned int llp_offset; /* LINKPTR offset */ unsigned int dt_cur; /* DT_CUR offset */ |
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/* called from open callback */ void (*enable_dma)(struct atiixp_modem *chip, int on); /* called from trigger (START/STOP) */ void (*enable_transfer)(struct atiixp_modem *chip, int on); /* called from trigger (STOP only) */ void (*flush_dma)(struct atiixp_modem *chip); |
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}; /* * DMA stream */ |
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struct atiixp_dma { const struct atiixp_dma_ops *ops; |
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struct snd_dma_buffer desc_buf; |
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struct snd_pcm_substream *substream; /* assigned PCM substream */ |
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unsigned int buf_addr, buf_bytes; /* DMA buffer address, bytes */ unsigned int period_bytes, periods; int opened; int running; int pcm_open_flag; int ac97_pcm_type; /* index # of ac97_pcm to access, -1 = not used */ }; /* * ATI IXP chip */ |
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struct atiixp_modem { struct snd_card *card; |
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struct pci_dev *pci; struct resource *res; /* memory i/o */ unsigned long addr; void __iomem *remap_addr; int irq; |
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struct snd_ac97_bus *ac97_bus; struct snd_ac97 *ac97[NUM_ATI_CODECS]; |
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spinlock_t reg_lock; |
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struct atiixp_dma dmas[NUM_ATI_DMAS]; |
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struct ac97_pcm *pcms[NUM_ATI_PCMS]; |
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struct snd_pcm *pcmdevs[NUM_ATI_PCMDEVS]; |
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int max_channels; /* max. channels for PCM out */ unsigned int codec_not_ready_bits; /* for codec detection */ int spdif_over_aclink; /* passed from the module option */ |
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struct mutex open_mutex; /* playback open mutex */ |
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}; /* */ |
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static DEFINE_PCI_DEVICE_TABLE(snd_atiixp_ids) = { |
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{ PCI_VDEVICE(ATI, 0x434d), 0 }, /* SB200 */ { PCI_VDEVICE(ATI, 0x4378), 0 }, /* SB400 */ |
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{ 0, } }; MODULE_DEVICE_TABLE(pci, snd_atiixp_ids); /* * lowlevel functions */ /* * update the bits of the given register. * return 1 if the bits changed. */ |
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static int snd_atiixp_update_bits(struct atiixp_modem *chip, unsigned int reg, unsigned int mask, unsigned int value) |
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{ void __iomem *addr = chip->remap_addr + reg; unsigned int data, old_data; old_data = data = readl(addr); data &= ~mask; data |= value; if (old_data == data) return 0; writel(data, addr); return 1; } /* * macros for easy use */ #define atiixp_write(chip,reg,value) \ writel(value, chip->remap_addr + ATI_REG_##reg) #define atiixp_read(chip,reg) \ readl(chip->remap_addr + ATI_REG_##reg) #define atiixp_update(chip,reg,mask,val) \ snd_atiixp_update_bits(chip, ATI_REG_##reg, mask, val) |
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/* * handling DMA packets * * we allocate a linear buffer for the DMA, and split it to each packet. * in a future version, a scatter-gather buffer should be implemented. */ #define ATI_DESC_LIST_SIZE \ |
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PAGE_ALIGN(ATI_MAX_DESCRIPTORS * sizeof(struct atiixp_dma_desc)) |
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/* * build packets ring for the given buffer size. * * IXP handles the buffer descriptors, which are connected as a linked * list. although we can change the list dynamically, in this version, * a static RING of buffer descriptors is used. * * the ring is built in this function, and is set up to the hardware. */ |
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static int atiixp_build_dma_packets(struct atiixp_modem *chip, struct atiixp_dma *dma, struct snd_pcm_substream *substream, unsigned int periods, unsigned int period_bytes) |
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{ unsigned int i; u32 addr, desc_addr; unsigned long flags; if (periods > ATI_MAX_DESCRIPTORS) return -ENOMEM; if (dma->desc_buf.area == NULL) { if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), ATI_DESC_LIST_SIZE, &dma->desc_buf) < 0) return -ENOMEM; dma->period_bytes = dma->periods = 0; /* clear */ } if (dma->periods == periods && dma->period_bytes == period_bytes) return 0; /* reset DMA before changing the descriptor table */ spin_lock_irqsave(&chip->reg_lock, flags); writel(0, chip->remap_addr + dma->ops->llp_offset); dma->ops->enable_dma(chip, 0); dma->ops->enable_dma(chip, 1); spin_unlock_irqrestore(&chip->reg_lock, flags); /* fill the entries */ addr = (u32)substream->runtime->dma_addr; desc_addr = (u32)dma->desc_buf.addr; for (i = 0; i < periods; i++) { |
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struct atiixp_dma_desc *desc; desc = &((struct atiixp_dma_desc *)dma->desc_buf.area)[i]; |
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desc->addr = cpu_to_le32(addr); desc->status = 0; desc->size = period_bytes >> 2; /* in dwords */ |
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desc_addr += sizeof(struct atiixp_dma_desc); |
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if (i == periods - 1) desc->next = cpu_to_le32((u32)dma->desc_buf.addr); else desc->next = cpu_to_le32(desc_addr); addr += period_bytes; } writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN, chip->remap_addr + dma->ops->llp_offset); dma->period_bytes = period_bytes; dma->periods = periods; return 0; } /* * remove the ring buffer and release it if assigned */ |
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static void atiixp_clear_dma_packets(struct atiixp_modem *chip, struct atiixp_dma *dma, struct snd_pcm_substream *substream) |
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{ if (dma->desc_buf.area) { writel(0, chip->remap_addr + dma->ops->llp_offset); snd_dma_free_pages(&dma->desc_buf); dma->desc_buf.area = NULL; } } /* * AC97 interface */ |
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static int snd_atiixp_acquire_codec(struct atiixp_modem *chip) |
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{ int timeout = 1000; while (atiixp_read(chip, PHYS_OUT_ADDR) & ATI_REG_PHYS_OUT_ADDR_EN) { if (! timeout--) { |
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snd_printk(KERN_WARNING "atiixp-modem: codec acquire timeout "); |
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return -EBUSY; } udelay(1); } return 0; } |
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static unsigned short snd_atiixp_codec_read(struct atiixp_modem *chip, unsigned short codec, unsigned short reg) |
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{ unsigned int data; int timeout; if (snd_atiixp_acquire_codec(chip) < 0) return 0xffff; data = (reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | ATI_REG_PHYS_OUT_ADDR_EN | ATI_REG_PHYS_OUT_RW | codec; atiixp_write(chip, PHYS_OUT_ADDR, data); if (snd_atiixp_acquire_codec(chip) < 0) return 0xffff; timeout = 1000; do { data = atiixp_read(chip, PHYS_IN_ADDR); if (data & ATI_REG_PHYS_IN_READ_FLAG) return data >> ATI_REG_PHYS_IN_DATA_SHIFT; udelay(1); } while (--timeout); /* time out may happen during reset */ if (reg < 0x7c) |
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snd_printk(KERN_WARNING "atiixp-modem: codec read timeout (reg %x) ", reg); |
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return 0xffff; } |
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static void snd_atiixp_codec_write(struct atiixp_modem *chip, unsigned short codec, unsigned short reg, unsigned short val) |
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{ unsigned int data; if (snd_atiixp_acquire_codec(chip) < 0) return; data = ((unsigned int)val << ATI_REG_PHYS_OUT_DATA_SHIFT) | ((unsigned int)reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) | ATI_REG_PHYS_OUT_ADDR_EN | codec; atiixp_write(chip, PHYS_OUT_ADDR, data); } |
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static unsigned short snd_atiixp_ac97_read(struct snd_ac97 *ac97, unsigned short reg) |
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{ |
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struct atiixp_modem *chip = ac97->private_data; |
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return snd_atiixp_codec_read(chip, ac97->num, reg); } |
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static void snd_atiixp_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) |
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{ |
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struct atiixp_modem *chip = ac97->private_data; |
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if (reg == AC97_GPIO_STATUS) { atiixp_write(chip, MODEM_OUT_GPIO, (val << ATI_REG_MODEM_OUT_GPIO_DATA_SHIFT) | ATI_REG_MODEM_OUT_GPIO_EN); return; } |
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snd_atiixp_codec_write(chip, ac97->num, reg, val); } /* * reset AC link */ |
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static int snd_atiixp_aclink_reset(struct atiixp_modem *chip) |
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{ int timeout; /* reset powerdoewn */ if (atiixp_update(chip, CMD, ATI_REG_CMD_POWERDOWN, 0)) udelay(10); /* perform a software reset */ atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, ATI_REG_CMD_AC_SOFT_RESET); atiixp_read(chip, CMD); udelay(10); atiixp_update(chip, CMD, ATI_REG_CMD_AC_SOFT_RESET, 0); timeout = 10; while (! (atiixp_read(chip, CMD) & ATI_REG_CMD_ACLINK_ACTIVE)) { /* do a hard reset */ atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_SYNC); atiixp_read(chip, CMD); |
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msleep(1); |
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atiixp_update(chip, CMD, ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_RESET); |
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if (!--timeout) { |
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snd_printk(KERN_ERR "atiixp-modem: codec reset timeout "); |
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break; } } /* deassert RESET and assert SYNC to make sure */ atiixp_update(chip, CMD, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET, ATI_REG_CMD_AC_SYNC|ATI_REG_CMD_AC_RESET); return 0; } #ifdef CONFIG_PM |
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static int snd_atiixp_aclink_down(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 |
{ // if (atiixp_read(chip, MODEM_MIRROR) & 0x1) /* modem running, too? */ // return -EBUSY; atiixp_update(chip, CMD, ATI_REG_CMD_POWERDOWN | ATI_REG_CMD_AC_RESET, ATI_REG_CMD_POWERDOWN); return 0; } #endif /* * auto-detection of codecs * * the IXP chip can generate interrupts for the non-existing codecs. * NEW_FRAME interrupt is used to make sure that the interrupt is generated * even if all three codecs are connected. */ #define ALL_CODEC_NOT_READY \ (ATI_REG_ISR_CODEC0_NOT_READY |\ ATI_REG_ISR_CODEC1_NOT_READY |\ ATI_REG_ISR_CODEC2_NOT_READY) #define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME) |
74ee4ff1e [ALSA] Remove xxx... |
528 |
static int snd_atiixp_codec_detect(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
529 530 531 532 533 534 |
{ int timeout; chip->codec_not_ready_bits = 0; atiixp_write(chip, IER, CODEC_CHECK_BITS); /* wait for the interrupts */ |
bfdcbace6 [ALSA] Remove sup... |
535 |
timeout = 50; |
1da177e4c Linux-2.6.12-rc2 |
536 |
while (timeout-- > 0) { |
bfdcbace6 [ALSA] Remove sup... |
537 |
msleep(1); |
1da177e4c Linux-2.6.12-rc2 |
538 539 540 541 542 543 |
if (chip->codec_not_ready_bits) break; } atiixp_write(chip, IER, 0); /* disable irqs */ if ((chip->codec_not_ready_bits & ALL_CODEC_NOT_READY) == ALL_CODEC_NOT_READY) { |
98b4f5929 [PATCH] atiixp_mo... |
544 545 |
snd_printk(KERN_ERR "atiixp-modem: no codec detected! "); |
1da177e4c Linux-2.6.12-rc2 |
546 547 548 549 550 551 552 553 554 |
return -ENXIO; } return 0; } /* * enable DMA and irqs */ |
74ee4ff1e [ALSA] Remove xxx... |
555 |
static int snd_atiixp_chip_start(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 |
{ unsigned int reg; /* set up spdif, enable burst mode */ reg = atiixp_read(chip, CMD); reg |= ATI_REG_CMD_BURST_EN; if(!(reg & ATI_REG_CMD_MODEM_PRESENT)) reg |= ATI_REG_CMD_MODEM_PRESENT; atiixp_write(chip, CMD, reg); /* clear all interrupt source */ atiixp_write(chip, ISR, 0xffffffff); /* enable irqs */ atiixp_write(chip, IER, ATI_REG_IER_MODEM_STATUS_EN | ATI_REG_IER_MODEM_IN_XRUN_EN | ATI_REG_IER_MODEM_OUT1_XRUN_EN); return 0; } /* * disable DMA and IRQs */ |
74ee4ff1e [ALSA] Remove xxx... |
580 |
static int snd_atiixp_chip_stop(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 |
{ /* clear interrupt source */ atiixp_write(chip, ISR, atiixp_read(chip, ISR)); /* disable irqs */ atiixp_write(chip, IER, 0); return 0; } /* * PCM section */ /* * pointer callback simplly reads XXX_DMA_DT_CUR register as the current * position. when SG-buffer is implemented, the offset must be calculated * correctly... */ |
74ee4ff1e [ALSA] Remove xxx... |
599 |
static snd_pcm_uframes_t snd_atiixp_pcm_pointer(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
600 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
601 602 603 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct atiixp_dma *dma = runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 |
unsigned int curptr; int timeout = 1000; while (timeout--) { curptr = readl(chip->remap_addr + dma->ops->dt_cur); if (curptr < dma->buf_addr) continue; curptr -= dma->buf_addr; if (curptr >= dma->buf_bytes) continue; return bytes_to_frames(runtime, curptr); } snd_printd("atiixp-modem: invalid DMA pointer read 0x%x (buf=%x) ", readl(chip->remap_addr + dma->ops->dt_cur), dma->buf_addr); return 0; } /* * XRUN detected, and stop the PCM substream */ |
74ee4ff1e [ALSA] Remove xxx... |
625 626 |
static void snd_atiixp_xrun_dma(struct atiixp_modem *chip, struct atiixp_dma *dma) |
1da177e4c Linux-2.6.12-rc2 |
627 628 629 |
{ if (! dma->substream || ! dma->running) return; |
98b4f5929 [PATCH] atiixp_mo... |
630 631 |
snd_printdd("atiixp-modem: XRUN detected (DMA %d) ", dma->ops->type); |
1da177e4c Linux-2.6.12-rc2 |
632 633 634 635 636 637 |
snd_pcm_stop(dma->substream, SNDRV_PCM_STATE_XRUN); } /* * the period ack. update the substream. */ |
74ee4ff1e [ALSA] Remove xxx... |
638 639 |
static void snd_atiixp_update_dma(struct atiixp_modem *chip, struct atiixp_dma *dma) |
1da177e4c Linux-2.6.12-rc2 |
640 641 642 643 644 645 646 647 |
{ if (! dma->substream || ! dma->running) return; snd_pcm_period_elapsed(dma->substream); } /* set BUS_BUSY interrupt bit if any DMA is running */ /* call with spinlock held */ |
74ee4ff1e [ALSA] Remove xxx... |
648 |
static void snd_atiixp_check_bus_busy(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
649 650 651 652 653 654 655 656 657 658 659 660 661 |
{ unsigned int bus_busy; if (atiixp_read(chip, CMD) & (ATI_REG_CMD_MODEM_SEND1_EN | ATI_REG_CMD_MODEM_RECEIVE_EN)) bus_busy = ATI_REG_IER_MODEM_SET_BUS_BUSY; else bus_busy = 0; atiixp_update(chip, IER, ATI_REG_IER_MODEM_SET_BUS_BUSY, bus_busy); } /* common trigger callback * calling the lowlevel callbacks in it */ |
74ee4ff1e [ALSA] Remove xxx... |
662 |
static int snd_atiixp_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
1da177e4c Linux-2.6.12-rc2 |
663 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
664 665 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); struct atiixp_dma *dma = substream->runtime->private_data; |
83a5b72ad [ALSA] PCI modem ... |
666 |
int err = 0; |
1da177e4c Linux-2.6.12-rc2 |
667 |
|
da3cec35d ALSA: Kill snd_as... |
668 669 670 |
if (snd_BUG_ON(!dma->ops->enable_transfer || !dma->ops->flush_dma)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
671 |
|
1da177e4c Linux-2.6.12-rc2 |
672 |
spin_lock(&chip->reg_lock); |
83a5b72ad [ALSA] PCI modem ... |
673 674 |
switch(cmd) { case SNDRV_PCM_TRIGGER_START: |
1da177e4c Linux-2.6.12-rc2 |
675 676 |
dma->ops->enable_transfer(chip, 1); dma->running = 1; |
83a5b72ad [ALSA] PCI modem ... |
677 678 |
break; case SNDRV_PCM_TRIGGER_STOP: |
1da177e4c Linux-2.6.12-rc2 |
679 680 |
dma->ops->enable_transfer(chip, 0); dma->running = 0; |
83a5b72ad [ALSA] PCI modem ... |
681 682 683 684 |
break; default: err = -EINVAL; break; |
1da177e4c Linux-2.6.12-rc2 |
685 |
} |
83a5b72ad [ALSA] PCI modem ... |
686 |
if (! err) { |
1da177e4c Linux-2.6.12-rc2 |
687 688 689 690 691 |
snd_atiixp_check_bus_busy(chip); if (cmd == SNDRV_PCM_TRIGGER_STOP) { dma->ops->flush_dma(chip); snd_atiixp_check_bus_busy(chip); } |
83a5b72ad [ALSA] PCI modem ... |
692 |
} |
1da177e4c Linux-2.6.12-rc2 |
693 |
spin_unlock(&chip->reg_lock); |
83a5b72ad [ALSA] PCI modem ... |
694 |
return err; |
1da177e4c Linux-2.6.12-rc2 |
695 696 697 698 699 700 701 702 703 704 |
} /* * lowlevel callbacks for each DMA type * * every callback is supposed to be called in chip->reg_lock spinlock */ /* flush FIFO of analog OUT DMA */ |
74ee4ff1e [ALSA] Remove xxx... |
705 |
static void atiixp_out_flush_dma(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
706 707 708 709 710 |
{ atiixp_write(chip, MODEM_FIFO_FLUSH, ATI_REG_MODEM_FIFO_OUT1_FLUSH); } /* enable/disable analog OUT DMA */ |
74ee4ff1e [ALSA] Remove xxx... |
711 |
static void atiixp_out_enable_dma(struct atiixp_modem *chip, int on) |
1da177e4c Linux-2.6.12-rc2 |
712 713 714 715 716 717 718 719 720 721 722 723 724 725 |
{ unsigned int data; data = atiixp_read(chip, CMD); if (on) { if (data & ATI_REG_CMD_MODEM_OUT_DMA1_EN) return; atiixp_out_flush_dma(chip); data |= ATI_REG_CMD_MODEM_OUT_DMA1_EN; } else data &= ~ATI_REG_CMD_MODEM_OUT_DMA1_EN; atiixp_write(chip, CMD, data); } /* start/stop transfer over OUT DMA */ |
74ee4ff1e [ALSA] Remove xxx... |
726 |
static void atiixp_out_enable_transfer(struct atiixp_modem *chip, int on) |
1da177e4c Linux-2.6.12-rc2 |
727 728 729 730 731 732 |
{ atiixp_update(chip, CMD, ATI_REG_CMD_MODEM_SEND1_EN, on ? ATI_REG_CMD_MODEM_SEND1_EN : 0); } /* enable/disable analog IN DMA */ |
74ee4ff1e [ALSA] Remove xxx... |
733 |
static void atiixp_in_enable_dma(struct atiixp_modem *chip, int on) |
1da177e4c Linux-2.6.12-rc2 |
734 735 736 737 738 739 |
{ atiixp_update(chip, CMD, ATI_REG_CMD_MODEM_IN_DMA_EN, on ? ATI_REG_CMD_MODEM_IN_DMA_EN : 0); } /* start/stop analog IN DMA */ |
74ee4ff1e [ALSA] Remove xxx... |
740 |
static void atiixp_in_enable_transfer(struct atiixp_modem *chip, int on) |
1da177e4c Linux-2.6.12-rc2 |
741 742 743 744 745 746 747 748 749 750 751 752 |
{ if (on) { unsigned int data = atiixp_read(chip, CMD); if (! (data & ATI_REG_CMD_MODEM_RECEIVE_EN)) { data |= ATI_REG_CMD_MODEM_RECEIVE_EN; atiixp_write(chip, CMD, data); } } else atiixp_update(chip, CMD, ATI_REG_CMD_MODEM_RECEIVE_EN, 0); } /* flush FIFO of analog IN DMA */ |
74ee4ff1e [ALSA] Remove xxx... |
753 |
static void atiixp_in_flush_dma(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
754 755 756 757 758 |
{ atiixp_write(chip, MODEM_FIFO_FLUSH, ATI_REG_MODEM_FIFO_IN_FLUSH); } /* set up slots and formats for analog OUT */ |
74ee4ff1e [ALSA] Remove xxx... |
759 |
static int snd_atiixp_playback_prepare(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
760 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
761 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); |
1da177e4c Linux-2.6.12-rc2 |
762 763 764 765 766 767 768 769 770 771 772 773 774 |
unsigned int data; spin_lock_irq(&chip->reg_lock); /* set output threshold */ data = atiixp_read(chip, MODEM_OUT_FIFO); data &= ~ATI_REG_MODEM_OUT1_DMA_THRESHOLD_MASK; data |= 0x04 << ATI_REG_MODEM_OUT1_DMA_THRESHOLD_SHIFT; atiixp_write(chip, MODEM_OUT_FIFO, data); spin_unlock_irq(&chip->reg_lock); return 0; } /* set up slots and formats for analog IN */ |
74ee4ff1e [ALSA] Remove xxx... |
775 |
static int snd_atiixp_capture_prepare(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
776 777 778 779 780 781 782 |
{ return 0; } /* * hw_params - allocate the buffer and set up buffer descriptors */ |
74ee4ff1e [ALSA] Remove xxx... |
783 784 |
static int snd_atiixp_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) |
1da177e4c Linux-2.6.12-rc2 |
785 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
786 787 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); struct atiixp_dma *dma = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 |
int err; int i; err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); if (err < 0) return err; dma->buf_addr = substream->runtime->dma_addr; dma->buf_bytes = params_buffer_bytes(hw_params); err = atiixp_build_dma_packets(chip, dma, substream, params_periods(hw_params), params_period_bytes(hw_params)); if (err < 0) return err; /* set up modem rate */ for (i = 0; i < NUM_ATI_CODECS; i++) { if (! chip->ac97[i]) continue; snd_ac97_write(chip->ac97[i], AC97_LINE1_RATE, params_rate(hw_params)); snd_ac97_write(chip->ac97[i], AC97_LINE1_LEVEL, 0); } return err; } |
74ee4ff1e [ALSA] Remove xxx... |
813 |
static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
814 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
815 816 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); struct atiixp_dma *dma = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
817 818 819 820 821 822 823 824 825 826 |
atiixp_clear_dma_packets(chip, dma, substream); snd_pcm_lib_free_pages(substream); return 0; } /* * pcm hardware definition, identical for all DMA types */ |
74ee4ff1e [ALSA] Remove xxx... |
827 |
static struct snd_pcm_hardware snd_atiixp_pcm_hw = |
1da177e4c Linux-2.6.12-rc2 |
828 829 830 831 832 |
{ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID), .formats = SNDRV_PCM_FMTBIT_S16_LE, |
74ee4ff1e [ALSA] Remove xxx... |
833 834 835 |
.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_KNOT), |
1da177e4c Linux-2.6.12-rc2 |
836 837 838 839 840 841 842 843 844 845 |
.rate_min = 8000, .rate_max = 16000, .channels_min = 2, .channels_max = 2, .buffer_bytes_max = 256 * 1024, .period_bytes_min = 32, .period_bytes_max = 128 * 1024, .periods_min = 2, .periods_max = ATI_MAX_DESCRIPTORS, }; |
74ee4ff1e [ALSA] Remove xxx... |
846 847 |
static int snd_atiixp_pcm_open(struct snd_pcm_substream *substream, struct atiixp_dma *dma, int pcm_type) |
1da177e4c Linux-2.6.12-rc2 |
848 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
849 850 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; |
1da177e4c Linux-2.6.12-rc2 |
851 852 |
int err; static unsigned int rates[] = { 8000, 9600, 12000, 16000 }; |
74ee4ff1e [ALSA] Remove xxx... |
853 |
static struct snd_pcm_hw_constraint_list hw_constraints_rates = { |
1da177e4c Linux-2.6.12-rc2 |
854 855 856 857 |
.count = ARRAY_SIZE(rates), .list = rates, .mask = 0, }; |
da3cec35d ALSA: Kill snd_as... |
858 859 |
if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
860 861 862 863 864 865 |
if (dma->opened) return -EBUSY; dma->substream = substream; runtime->hw = snd_atiixp_pcm_hw; dma->ac97_pcm_type = pcm_type; |
74ee4ff1e [ALSA] Remove xxx... |
866 867 868 |
if ((err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates)) < 0) |
1da177e4c Linux-2.6.12-rc2 |
869 |
return err; |
74ee4ff1e [ALSA] Remove xxx... |
870 871 |
if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) |
1da177e4c Linux-2.6.12-rc2 |
872 873 874 875 876 877 878 879 880 881 882 |
return err; runtime->private_data = dma; /* enable DMA bits */ spin_lock_irq(&chip->reg_lock); dma->ops->enable_dma(chip, 1); spin_unlock_irq(&chip->reg_lock); dma->opened = 1; return 0; } |
74ee4ff1e [ALSA] Remove xxx... |
883 884 |
static int snd_atiixp_pcm_close(struct snd_pcm_substream *substream, struct atiixp_dma *dma) |
1da177e4c Linux-2.6.12-rc2 |
885 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
886 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); |
1da177e4c Linux-2.6.12-rc2 |
887 |
/* disable DMA bits */ |
da3cec35d ALSA: Kill snd_as... |
888 889 |
if (snd_BUG_ON(!dma->ops || !dma->ops->enable_dma)) return -EINVAL; |
1da177e4c Linux-2.6.12-rc2 |
890 891 892 893 894 895 896 897 898 899 |
spin_lock_irq(&chip->reg_lock); dma->ops->enable_dma(chip, 0); spin_unlock_irq(&chip->reg_lock); dma->substream = NULL; dma->opened = 0; return 0; } /* */ |
74ee4ff1e [ALSA] Remove xxx... |
900 |
static int snd_atiixp_playback_open(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
901 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
902 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); |
1da177e4c Linux-2.6.12-rc2 |
903 |
int err; |
62932df8f [ALSA] semaphore ... |
904 |
mutex_lock(&chip->open_mutex); |
1da177e4c Linux-2.6.12-rc2 |
905 |
err = snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_PLAYBACK], 0); |
62932df8f [ALSA] semaphore ... |
906 |
mutex_unlock(&chip->open_mutex); |
1da177e4c Linux-2.6.12-rc2 |
907 908 909 910 |
if (err < 0) return err; return 0; } |
74ee4ff1e [ALSA] Remove xxx... |
911 |
static int snd_atiixp_playback_close(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
912 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
913 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); |
1da177e4c Linux-2.6.12-rc2 |
914 |
int err; |
62932df8f [ALSA] semaphore ... |
915 |
mutex_lock(&chip->open_mutex); |
1da177e4c Linux-2.6.12-rc2 |
916 |
err = snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_PLAYBACK]); |
62932df8f [ALSA] semaphore ... |
917 |
mutex_unlock(&chip->open_mutex); |
1da177e4c Linux-2.6.12-rc2 |
918 919 |
return err; } |
74ee4ff1e [ALSA] Remove xxx... |
920 |
static int snd_atiixp_capture_open(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
921 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
922 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); |
1da177e4c Linux-2.6.12-rc2 |
923 924 |
return snd_atiixp_pcm_open(substream, &chip->dmas[ATI_DMA_CAPTURE], 1); } |
74ee4ff1e [ALSA] Remove xxx... |
925 |
static int snd_atiixp_capture_close(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
926 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
927 |
struct atiixp_modem *chip = snd_pcm_substream_chip(substream); |
1da177e4c Linux-2.6.12-rc2 |
928 929 930 931 932 |
return snd_atiixp_pcm_close(substream, &chip->dmas[ATI_DMA_CAPTURE]); } /* AC97 playback */ |
74ee4ff1e [ALSA] Remove xxx... |
933 |
static struct snd_pcm_ops snd_atiixp_playback_ops = { |
1da177e4c Linux-2.6.12-rc2 |
934 935 936 937 938 939 940 941 942 943 944 |
.open = snd_atiixp_playback_open, .close = snd_atiixp_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_atiixp_pcm_hw_params, .hw_free = snd_atiixp_pcm_hw_free, .prepare = snd_atiixp_playback_prepare, .trigger = snd_atiixp_pcm_trigger, .pointer = snd_atiixp_pcm_pointer, }; /* AC97 capture */ |
74ee4ff1e [ALSA] Remove xxx... |
945 |
static struct snd_pcm_ops snd_atiixp_capture_ops = { |
1da177e4c Linux-2.6.12-rc2 |
946 947 948 949 950 951 952 953 954 |
.open = snd_atiixp_capture_open, .close = snd_atiixp_capture_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_atiixp_pcm_hw_params, .hw_free = snd_atiixp_pcm_hw_free, .prepare = snd_atiixp_capture_prepare, .trigger = snd_atiixp_pcm_trigger, .pointer = snd_atiixp_pcm_pointer, }; |
74ee4ff1e [ALSA] Remove xxx... |
955 |
static struct atiixp_dma_ops snd_atiixp_playback_dma_ops = { |
1da177e4c Linux-2.6.12-rc2 |
956 957 958 959 960 961 962 963 |
.type = ATI_DMA_PLAYBACK, .llp_offset = ATI_REG_MODEM_OUT_DMA1_LINKPTR, .dt_cur = ATI_REG_MODEM_OUT_DMA1_DT_CUR, .enable_dma = atiixp_out_enable_dma, .enable_transfer = atiixp_out_enable_transfer, .flush_dma = atiixp_out_flush_dma, }; |
74ee4ff1e [ALSA] Remove xxx... |
964 |
static struct atiixp_dma_ops snd_atiixp_capture_dma_ops = { |
1da177e4c Linux-2.6.12-rc2 |
965 966 967 968 969 970 971 |
.type = ATI_DMA_CAPTURE, .llp_offset = ATI_REG_MODEM_IN_DMA_LINKPTR, .dt_cur = ATI_REG_MODEM_IN_DMA_DT_CUR, .enable_dma = atiixp_in_enable_dma, .enable_transfer = atiixp_in_enable_transfer, .flush_dma = atiixp_in_flush_dma, }; |
74ee4ff1e [ALSA] Remove xxx... |
972 |
static int __devinit snd_atiixp_pcm_new(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
973 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
974 |
struct snd_pcm *pcm; |
1da177e4c Linux-2.6.12-rc2 |
975 976 977 978 979 980 981 982 983 984 985 986 |
int err; /* initialize constants */ chip->dmas[ATI_DMA_PLAYBACK].ops = &snd_atiixp_playback_dma_ops; chip->dmas[ATI_DMA_CAPTURE].ops = &snd_atiixp_capture_dma_ops; /* PCM #0: analog I/O */ err = snd_pcm_new(chip->card, "ATI IXP MC97", ATI_PCMDEV_ANALOG, 1, 1, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_atiixp_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_atiixp_capture_ops); |
6632d198c [ALSA] dev_class=... |
987 |
pcm->dev_class = SNDRV_PCM_CLASS_MODEM; |
1da177e4c Linux-2.6.12-rc2 |
988 989 990 991 992 |
pcm->private_data = chip; strcpy(pcm->name, "ATI IXP MC97"); chip->pcmdevs[ATI_PCMDEV_ANALOG] = pcm; snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, |
74ee4ff1e [ALSA] Remove xxx... |
993 994 |
snd_dma_pci_data(chip->pci), 64*1024, 128*1024); |
1da177e4c Linux-2.6.12-rc2 |
995 996 997 998 999 1000 1001 1002 1003 |
return 0; } /* * interrupt handler */ |
7d12e780e IRQ: Maintain reg... |
1004 |
static irqreturn_t snd_atiixp_interrupt(int irq, void *dev_id) |
1da177e4c Linux-2.6.12-rc2 |
1005 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
1006 |
struct atiixp_modem *chip = dev_id; |
1da177e4c Linux-2.6.12-rc2 |
1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 |
unsigned int status; status = atiixp_read(chip, ISR); if (! status) return IRQ_NONE; /* process audio DMA */ if (status & ATI_REG_ISR_MODEM_OUT1_XRUN) snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); else if (status & ATI_REG_ISR_MODEM_OUT1_STATUS) snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_PLAYBACK]); if (status & ATI_REG_ISR_MODEM_IN_XRUN) snd_atiixp_xrun_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); else if (status & ATI_REG_ISR_MODEM_IN_STATUS) snd_atiixp_update_dma(chip, &chip->dmas[ATI_DMA_CAPTURE]); /* for codec detection */ if (status & CODEC_CHECK_BITS) { unsigned int detected; detected = status & CODEC_CHECK_BITS; spin_lock(&chip->reg_lock); chip->codec_not_ready_bits |= detected; atiixp_update(chip, IER, detected, 0); /* disable the detected irqs */ spin_unlock(&chip->reg_lock); } /* ack */ atiixp_write(chip, ISR, status); return IRQ_HANDLED; } /* * ac97 mixer section */ |
74ee4ff1e [ALSA] Remove xxx... |
1044 |
static int __devinit snd_atiixp_mixer_new(struct atiixp_modem *chip, int clock) |
1da177e4c Linux-2.6.12-rc2 |
1045 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
1046 1047 |
struct snd_ac97_bus *pbus; struct snd_ac97_template ac97; |
1da177e4c Linux-2.6.12-rc2 |
1048 1049 |
int i, err; int codec_count; |
74ee4ff1e [ALSA] Remove xxx... |
1050 |
static struct snd_ac97_bus_ops ops = { |
1da177e4c Linux-2.6.12-rc2 |
1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 |
.write = snd_atiixp_ac97_write, .read = snd_atiixp_ac97_read, }; static unsigned int codec_skip[NUM_ATI_CODECS] = { ATI_REG_ISR_CODEC0_NOT_READY, ATI_REG_ISR_CODEC1_NOT_READY, ATI_REG_ISR_CODEC2_NOT_READY, }; if (snd_atiixp_codec_detect(chip) < 0) return -ENXIO; if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &pbus)) < 0) return err; pbus->clock = clock; |
1da177e4c Linux-2.6.12-rc2 |
1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 |
chip->ac97_bus = pbus; codec_count = 0; for (i = 0; i < NUM_ATI_CODECS; i++) { if (chip->codec_not_ready_bits & codec_skip[i]) continue; memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.pci = chip->pci; ac97.num = i; |
f1a63a38d [ALSA] ac97 - Sup... |
1076 |
ac97.scaps = AC97_SCAP_SKIP_AUDIO | AC97_SCAP_POWER_SAVE; |
1da177e4c Linux-2.6.12-rc2 |
1077 1078 |
if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) { chip->ac97[i] = NULL; /* to be sure */ |
98b4f5929 [PATCH] atiixp_mo... |
1079 1080 |
snd_printdd("atiixp-modem: codec %d not available for modem ", i); |
1da177e4c Linux-2.6.12-rc2 |
1081 1082 1083 1084 1085 1086 |
continue; } codec_count++; } if (! codec_count) { |
98b4f5929 [PATCH] atiixp_mo... |
1087 1088 |
snd_printk(KERN_ERR "atiixp-modem: no codec available "); |
1da177e4c Linux-2.6.12-rc2 |
1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 |
return -ENODEV; } /* snd_ac97_tune_hardware(chip->ac97, ac97_quirks); */ return 0; } #ifdef CONFIG_PM /* * power management */ |
92304cc7e [ALSA] atiixp - F... |
1102 |
static int snd_atiixp_suspend(struct pci_dev *pci, pm_message_t state) |
1da177e4c Linux-2.6.12-rc2 |
1103 |
{ |
92304cc7e [ALSA] atiixp - F... |
1104 1105 |
struct snd_card *card = pci_get_drvdata(pci); struct atiixp_modem *chip = card->private_data; |
1da177e4c Linux-2.6.12-rc2 |
1106 |
int i; |
92304cc7e [ALSA] atiixp - F... |
1107 |
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1da177e4c Linux-2.6.12-rc2 |
1108 |
for (i = 0; i < NUM_ATI_PCMDEVS; i++) |
92304cc7e [ALSA] atiixp - F... |
1109 |
snd_pcm_suspend_all(chip->pcmdevs[i]); |
1da177e4c Linux-2.6.12-rc2 |
1110 |
for (i = 0; i < NUM_ATI_CODECS; i++) |
92304cc7e [ALSA] atiixp - F... |
1111 |
snd_ac97_suspend(chip->ac97[i]); |
1da177e4c Linux-2.6.12-rc2 |
1112 1113 |
snd_atiixp_aclink_down(chip); snd_atiixp_chip_stop(chip); |
92304cc7e [ALSA] atiixp - F... |
1114 1115 |
pci_disable_device(pci); pci_save_state(pci); |
30b35399c [ALSA] Various fi... |
1116 |
pci_set_power_state(pci, pci_choose_state(pci, state)); |
1da177e4c Linux-2.6.12-rc2 |
1117 1118 |
return 0; } |
92304cc7e [ALSA] atiixp - F... |
1119 |
static int snd_atiixp_resume(struct pci_dev *pci) |
1da177e4c Linux-2.6.12-rc2 |
1120 |
{ |
92304cc7e [ALSA] atiixp - F... |
1121 1122 |
struct snd_card *card = pci_get_drvdata(pci); struct atiixp_modem *chip = card->private_data; |
1da177e4c Linux-2.6.12-rc2 |
1123 |
int i; |
92304cc7e [ALSA] atiixp - F... |
1124 |
pci_set_power_state(pci, PCI_D0); |
30b35399c [ALSA] Various fi... |
1125 1126 1127 1128 1129 1130 1131 1132 |
pci_restore_state(pci); if (pci_enable_device(pci) < 0) { printk(KERN_ERR "atiixp-modem: pci_enable_device failed, " "disabling device "); snd_card_disconnect(card); return -EIO; } |
92304cc7e [ALSA] atiixp - F... |
1133 |
pci_set_master(pci); |
1da177e4c Linux-2.6.12-rc2 |
1134 1135 1136 1137 1138 |
snd_atiixp_aclink_reset(chip); snd_atiixp_chip_start(chip); for (i = 0; i < NUM_ATI_CODECS; i++) |
92304cc7e [ALSA] atiixp - F... |
1139 |
snd_ac97_resume(chip->ac97[i]); |
1da177e4c Linux-2.6.12-rc2 |
1140 |
|
92304cc7e [ALSA] atiixp - F... |
1141 |
snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1da177e4c Linux-2.6.12-rc2 |
1142 1143 1144 |
return 0; } #endif /* CONFIG_PM */ |
adf1b3d25 [ALSA] Optimize f... |
1145 |
#ifdef CONFIG_PROC_FS |
1da177e4c Linux-2.6.12-rc2 |
1146 1147 1148 |
/* * proc interface for register dump */ |
74ee4ff1e [ALSA] Remove xxx... |
1149 1150 |
static void snd_atiixp_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) |
1da177e4c Linux-2.6.12-rc2 |
1151 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
1152 |
struct atiixp_modem *chip = entry->private_data; |
1da177e4c Linux-2.6.12-rc2 |
1153 1154 1155 1156 1157 1158 |
int i; for (i = 0; i < 256; i += 4) snd_iprintf(buffer, "%02x: %08x ", i, readl(chip->remap_addr + i)); } |
74ee4ff1e [ALSA] Remove xxx... |
1159 |
static void __devinit snd_atiixp_proc_init(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
1160 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
1161 |
struct snd_info_entry *entry; |
1da177e4c Linux-2.6.12-rc2 |
1162 |
|
98b4f5929 [PATCH] atiixp_mo... |
1163 |
if (! snd_card_proc_new(chip->card, "atiixp-modem", &entry)) |
bf850204a [ALSA] Remove unn... |
1164 |
snd_info_set_text_ops(entry, chip, snd_atiixp_proc_read); |
1da177e4c Linux-2.6.12-rc2 |
1165 |
} |
adf1b3d25 [ALSA] Optimize f... |
1166 1167 1168 |
#else #define snd_atiixp_proc_init(chip) #endif |
1da177e4c Linux-2.6.12-rc2 |
1169 1170 1171 1172 1173 |
/* * destructor */ |
74ee4ff1e [ALSA] Remove xxx... |
1174 |
static int snd_atiixp_free(struct atiixp_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
1175 1176 1177 1178 |
{ if (chip->irq < 0) goto __hw_end; snd_atiixp_chip_stop(chip); |
f000fd809 [ALSA] Fix synchr... |
1179 |
|
1da177e4c Linux-2.6.12-rc2 |
1180 1181 |
__hw_end: if (chip->irq >= 0) |
74ee4ff1e [ALSA] Remove xxx... |
1182 |
free_irq(chip->irq, chip); |
1da177e4c Linux-2.6.12-rc2 |
1183 1184 1185 1186 1187 1188 1189 |
if (chip->remap_addr) iounmap(chip->remap_addr); pci_release_regions(chip->pci); pci_disable_device(chip->pci); kfree(chip); return 0; } |
74ee4ff1e [ALSA] Remove xxx... |
1190 |
static int snd_atiixp_dev_free(struct snd_device *device) |
1da177e4c Linux-2.6.12-rc2 |
1191 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
1192 |
struct atiixp_modem *chip = device->device_data; |
1da177e4c Linux-2.6.12-rc2 |
1193 1194 1195 1196 1197 1198 |
return snd_atiixp_free(chip); } /* * constructor for chip instance */ |
74ee4ff1e [ALSA] Remove xxx... |
1199 1200 1201 |
static int __devinit snd_atiixp_create(struct snd_card *card, struct pci_dev *pci, struct atiixp_modem **r_chip) |
1da177e4c Linux-2.6.12-rc2 |
1202 |
{ |
74ee4ff1e [ALSA] Remove xxx... |
1203 |
static struct snd_device_ops ops = { |
1da177e4c Linux-2.6.12-rc2 |
1204 1205 |
.dev_free = snd_atiixp_dev_free, }; |
74ee4ff1e [ALSA] Remove xxx... |
1206 |
struct atiixp_modem *chip; |
1da177e4c Linux-2.6.12-rc2 |
1207 1208 1209 1210 |
int err; if ((err = pci_enable_device(pci)) < 0) return err; |
e560d8d83 [ALSA] Replace wi... |
1211 |
chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
1da177e4c Linux-2.6.12-rc2 |
1212 1213 1214 1215 1216 1217 |
if (chip == NULL) { pci_disable_device(pci); return -ENOMEM; } spin_lock_init(&chip->reg_lock); |
62932df8f [ALSA] semaphore ... |
1218 |
mutex_init(&chip->open_mutex); |
1da177e4c Linux-2.6.12-rc2 |
1219 1220 1221 1222 1223 1224 1225 1226 1227 |
chip->card = card; chip->pci = pci; chip->irq = -1; if ((err = pci_request_regions(pci, "ATI IXP MC97")) < 0) { kfree(chip); pci_disable_device(pci); return err; } chip->addr = pci_resource_start(pci, 0); |
2f5ad54ea pci: use pci_iore... |
1228 |
chip->remap_addr = pci_ioremap_bar(pci, 0); |
1da177e4c Linux-2.6.12-rc2 |
1229 1230 1231 1232 1233 1234 |
if (chip->remap_addr == NULL) { snd_printk(KERN_ERR "AC'97 space ioremap problem "); snd_atiixp_free(chip); return -EIO; } |
437a5a460 [ALSA] Remove IRQ... |
1235 |
if (request_irq(pci->irq, snd_atiixp_interrupt, IRQF_SHARED, |
934c2b6d0 ALSA: use KBUILD_... |
1236 |
KBUILD_MODNAME, chip)) { |
1da177e4c Linux-2.6.12-rc2 |
1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 |
snd_printk(KERN_ERR "unable to grab IRQ %d ", pci->irq); snd_atiixp_free(chip); return -EBUSY; } chip->irq = pci->irq; pci_set_master(pci); synchronize_irq(chip->irq); if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { snd_atiixp_free(chip); return err; } snd_card_set_dev(card, &pci->dev); *r_chip = chip; return 0; } static int __devinit snd_atiixp_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { |
74ee4ff1e [ALSA] Remove xxx... |
1261 1262 |
struct snd_card *card; struct atiixp_modem *chip; |
1da177e4c Linux-2.6.12-rc2 |
1263 |
int err; |
e58de7baf ALSA: Convert to ... |
1264 1265 1266 |
err = snd_card_create(index, id, THIS_MODULE, 0, &card); if (err < 0) return err; |
1da177e4c Linux-2.6.12-rc2 |
1267 |
|
1da177e4c Linux-2.6.12-rc2 |
1268 1269 1270 1271 |
strcpy(card->driver, "ATIIXP-MODEM"); strcpy(card->shortname, "ATI IXP Modem"); if ((err = snd_atiixp_create(card, pci, &chip)) < 0) goto __error; |
92304cc7e [ALSA] atiixp - F... |
1272 |
card->private_data = chip; |
1da177e4c Linux-2.6.12-rc2 |
1273 1274 1275 |
if ((err = snd_atiixp_aclink_reset(chip)) < 0) goto __error; |
b7fe46220 [ALSA] highlander... |
1276 |
if ((err = snd_atiixp_mixer_new(chip, ac97_clock)) < 0) |
1da177e4c Linux-2.6.12-rc2 |
1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 |
goto __error; if ((err = snd_atiixp_pcm_new(chip)) < 0) goto __error; snd_atiixp_proc_init(chip); snd_atiixp_chip_start(chip); sprintf(card->longname, "%s rev %x at 0x%lx, irq %i", |
44c10138f PCI: Change all d... |
1287 |
card->shortname, pci->revision, chip->addr, chip->irq); |
1da177e4c Linux-2.6.12-rc2 |
1288 |
|
1da177e4c Linux-2.6.12-rc2 |
1289 1290 1291 1292 |
if ((err = snd_card_register(card)) < 0) goto __error; pci_set_drvdata(pci, card); |
1da177e4c Linux-2.6.12-rc2 |
1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 |
return 0; __error: snd_card_free(card); return err; } static void __devexit snd_atiixp_remove(struct pci_dev *pci) { snd_card_free(pci_get_drvdata(pci)); pci_set_drvdata(pci, NULL); } static struct pci_driver driver = { |
3733e424c ALSA: Use KBUILD_... |
1307 |
.name = KBUILD_MODNAME, |
1da177e4c Linux-2.6.12-rc2 |
1308 1309 1310 |
.id_table = snd_atiixp_ids, .probe = snd_atiixp_probe, .remove = __devexit_p(snd_atiixp_remove), |
92304cc7e [ALSA] atiixp - F... |
1311 1312 1313 1314 |
#ifdef CONFIG_PM .suspend = snd_atiixp_suspend, .resume = snd_atiixp_resume, #endif |
1da177e4c Linux-2.6.12-rc2 |
1315 1316 1317 1318 1319 |
}; static int __init alsa_card_atiixp_init(void) { |
01d25d460 [ALSA] Replace pc... |
1320 |
return pci_register_driver(&driver); |
1da177e4c Linux-2.6.12-rc2 |
1321 1322 1323 1324 1325 1326 1327 1328 1329 |
} static void __exit alsa_card_atiixp_exit(void) { pci_unregister_driver(&driver); } module_init(alsa_card_atiixp_init) module_exit(alsa_card_atiixp_exit) |