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sound/pci/via82xx_modem.c
34.5 KB
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/* * ALSA modem driver for VIA VT82xx (South Bridge) * * VT82C686A/B/C, VT8233A/C, VT8235 * |
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* Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> |
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* Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> * 2002 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 * */ /* * Changes: * |
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* Sep. 2, 2004 Sasha Khapyorsky <sashak@alsa-project.org> |
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* Modified from original audio driver 'via82xx.c' to support AC97 * modems. */ |
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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 <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> #if 0 #define POINTER_DEBUG #endif |
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MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
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MODULE_DESCRIPTION("VIA VT82xx modem"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C modem,pci}}"); |
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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 VIA 82xx bridge."); |
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module_param(id, charp, 0444); |
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MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); |
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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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/* * Direct registers */ #define VIAREG(via, x) ((via)->port + VIA_REG_##x) #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) /* common offsets */ #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ #define VIA_REG_STAT_PAUSED 0x40 /* RO */ #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ #define VIA_REG_STAT_EOL 0x02 /* RWC */ #define VIA_REG_STAT_FLAG 0x01 /* RWC */ #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ #define VIA_REG_CTRL_START 0x80 /* WO */ #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ #define VIA_REG_CTRL_AUTOSTART 0x20 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ #define VIA_REG_CTRL_INT_STOP 0x04 #define VIA_REG_CTRL_INT_EOL 0x02 #define VIA_REG_CTRL_INT_FLAG 0x01 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ #define VIA_REG_TYPE_16BIT 0x20 /* RW */ #define VIA_REG_TYPE_STEREO 0x10 /* RW */ #define VIA_REG_TYPE_INT_LLINE 0x00 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 #define VIA_REG_TYPE_INT_LESSONE 0x08 #define VIA_REG_TYPE_INT_MASK 0x0c #define VIA_REG_TYPE_INT_EOL 0x02 #define VIA_REG_TYPE_INT_FLAG 0x01 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ #define DEFINE_VIA_REGSET(name,val) \ enum {\ VIA_REG_##name##_STATUS = (val),\ VIA_REG_##name##_CONTROL = (val) + 0x01,\ VIA_REG_##name##_TYPE = (val) + 0x02,\ VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ } /* modem block */ DEFINE_VIA_REGSET(MO, 0x40); DEFINE_VIA_REGSET(MI, 0x50); /* AC'97 */ #define VIA_REG_AC97 0x80 /* dword */ #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) #define VIA_REG_AC97_CODEC_ID_SHIFT 30 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) #define VIA_REG_AC97_PRIMARY_VALID (1<<25) #define VIA_REG_AC97_BUSY (1<<24) #define VIA_REG_AC97_READ (1<<23) #define VIA_REG_AC97_CMD_SHIFT 16 #define VIA_REG_AC97_CMD_MASK 0x7e #define VIA_REG_AC97_DATA_SHIFT 0 #define VIA_REG_AC97_DATA_MASK 0xffff #define VIA_REG_SGD_SHADOW 0x84 /* dword */ #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) #define VIA_REG_SGD_STAT_PB_EOL (1<<4) #define VIA_REG_SGD_STAT_CP_EOL (1<<5) #define VIA_REG_SGD_STAT_FM_EOL (1<<6) #define VIA_REG_SGD_STAT_PB_STOP (1<<8) #define VIA_REG_SGD_STAT_CP_STOP (1<<9) #define VIA_REG_SGD_STAT_FM_STOP (1<<10) #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) #define VIA_REG_SGD_STAT_MR_FLAG (1<<16) #define VIA_REG_SGD_STAT_MW_FLAG (1<<17) #define VIA_REG_SGD_STAT_MR_EOL (1<<20) #define VIA_REG_SGD_STAT_MW_EOL (1<<21) #define VIA_REG_SGD_STAT_MR_STOP (1<<24) #define VIA_REG_SGD_STAT_MW_STOP (1<<25) #define VIA_REG_SGD_STAT_MR_ACTIVE (1<<28) #define VIA_REG_SGD_STAT_MW_ACTIVE (1<<29) #define VIA_REG_GPI_STATUS 0x88 #define VIA_REG_GPI_INTR 0x8c #define VIA_TBL_BIT_FLAG 0x40000000 #define VIA_TBL_BIT_EOL 0x80000000 /* pci space */ #define VIA_ACLINK_STAT 0x40 #define VIA_ACLINK_C11_READY 0x20 #define VIA_ACLINK_C10_READY 0x10 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ #define VIA_ACLINK_CTRL 0x41 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ VIA_ACLINK_CTRL_RESET|\ VIA_ACLINK_CTRL_PCM) #define VIA_FUNC_ENABLE 0x42 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ #define VIA_FUNC_RX2C_WRITE 0x20 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 #define VIA_FUNC_ENABLE_GAME 0x08 #define VIA_FUNC_ENABLE_FM 0x04 #define VIA_FUNC_ENABLE_MIDI 0x02 #define VIA_FUNC_ENABLE_SB 0x01 #define VIA_PNP_CONTROL 0x43 #define VIA_MC97_CTRL 0x44 #define VIA_MC97_CTRL_ENABLE 0x80 #define VIA_MC97_CTRL_SECONDARY 0x40 #define VIA_MC97_CTRL_INIT (VIA_MC97_CTRL_ENABLE|\ VIA_MC97_CTRL_SECONDARY) |
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/* * pcm stream */ struct snd_via_sg_table { unsigned int offset; unsigned int size; } ; #define VIA_TABLE_SIZE 255 |
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struct viadev { |
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unsigned int reg_offset; unsigned long port; int direction; /* playback = 0, capture = 1 */ |
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struct snd_pcm_substream *substream; |
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int running; unsigned int tbl_entries; /* # descriptors */ struct snd_dma_buffer table; struct snd_via_sg_table *idx_table; /* for recovery from the unexpected pointer */ unsigned int lastpos; unsigned int bufsize; unsigned int bufsize2; }; enum { TYPE_CARD_VIA82XX_MODEM = 1 }; #define VIA_MAX_MODEM_DEVS 2 |
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struct via82xx_modem { |
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int irq; unsigned long port; unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ struct pci_dev *pci; |
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struct snd_card *card; |
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unsigned int num_devs; unsigned int playback_devno, capture_devno; |
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struct viadev devs[VIA_MAX_MODEM_DEVS]; |
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struct snd_pcm *pcms[2]; |
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struct snd_ac97_bus *ac97_bus; struct snd_ac97 *ac97; |
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unsigned int ac97_clock; unsigned int ac97_secondary; /* secondary AC'97 codec is present */ spinlock_t reg_lock; |
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struct snd_info_entry *proc_entry; |
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}; |
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static DEFINE_PCI_DEVICE_TABLE(snd_via82xx_modem_ids) = { |
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{ PCI_VDEVICE(VIA, 0x3068), TYPE_CARD_VIA82XX_MODEM, }, |
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{ 0, } }; MODULE_DEVICE_TABLE(pci, snd_via82xx_modem_ids); /* */ /* * allocate and initialize the descriptor buffers * periods = number of periods * fragsize = period size in bytes */ |
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static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, |
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struct pci_dev *pci, unsigned int periods, unsigned int fragsize) { unsigned int i, idx, ofs, rest; |
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struct via82xx_modem *chip = snd_pcm_substream_chip(substream); |
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if (dev->table.area == NULL) { /* the start of each lists must be aligned to 8 bytes, * but the kernel pages are much bigger, so we don't care */ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), &dev->table) < 0) return -ENOMEM; } if (! dev->idx_table) { dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); if (! dev->idx_table) return -ENOMEM; } /* fill the entries */ idx = 0; ofs = 0; for (i = 0; i < periods; i++) { rest = fragsize; /* fill descriptors for a period. * a period can be split to several descriptors if it's * over page boundary. */ do { unsigned int r; unsigned int flag; |
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unsigned int addr; |
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if (idx >= VIA_TABLE_SIZE) { snd_printk(KERN_ERR "via82xx: too much table size! "); return -EINVAL; } |
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addr = snd_pcm_sgbuf_get_addr(substream, ofs); ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); |
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r = PAGE_SIZE - (ofs % PAGE_SIZE); if (rest < r) r = rest; rest -= r; if (! rest) { if (i == periods - 1) flag = VIA_TBL_BIT_EOL; /* buffer boundary */ else flag = VIA_TBL_BIT_FLAG; /* period boundary */ } else flag = 0; /* period continues to the next */ |
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/* printk(KERN_DEBUG "via: tbl %d: at %d size %d " "(rest %d) ", idx, ofs, r, rest); */ |
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((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); dev->idx_table[idx].offset = ofs; dev->idx_table[idx].size = r; ofs += r; idx++; } while (rest > 0); } dev->tbl_entries = idx; dev->bufsize = periods * fragsize; dev->bufsize2 = dev->bufsize / 2; return 0; } |
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static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, |
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struct pci_dev *pci) { if (dev->table.area) { snd_dma_free_pages(&dev->table); dev->table.area = NULL; } |
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kfree(dev->idx_table); dev->idx_table = NULL; |
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return 0; } /* * Basic I/O */ |
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static inline unsigned int snd_via82xx_codec_xread(struct via82xx_modem *chip) |
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{ return inl(VIAREG(chip, AC97)); } |
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static inline void snd_via82xx_codec_xwrite(struct via82xx_modem *chip, unsigned int val) |
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{ outl(val, VIAREG(chip, AC97)); } |
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static int snd_via82xx_codec_ready(struct via82xx_modem *chip, int secondary) |
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{ unsigned int timeout = 1000; /* 1ms */ unsigned int val; while (timeout-- > 0) { udelay(1); if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) return val & 0xffff; } |
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snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x] ", secondary, snd_via82xx_codec_xread(chip)); |
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return -EIO; } |
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static int snd_via82xx_codec_valid(struct via82xx_modem *chip, int secondary) |
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{ unsigned int timeout = 1000; /* 1ms */ unsigned int val, val1; unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : VIA_REG_AC97_SECONDARY_VALID; while (timeout-- > 0) { val = snd_via82xx_codec_xread(chip); val1 = val & (VIA_REG_AC97_BUSY | stat); if (val1 == stat) return val & 0xffff; udelay(1); } return -EIO; } |
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static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) |
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{ |
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struct via82xx_modem *chip = ac97->private_data; |
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int err; err = snd_via82xx_codec_ready(chip, ac97->num); /* here we need to wait fairly for long time.. */ |
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msleep(500); |
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} |
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static void snd_via82xx_codec_write(struct snd_ac97 *ac97, |
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unsigned short reg, unsigned short val) { |
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struct via82xx_modem *chip = ac97->private_data; |
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unsigned int xval; |
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if(reg == AC97_GPIO_STATUS) { outl(val, VIAREG(chip, GPI_STATUS)); return; } |
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xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; xval |= reg << VIA_REG_AC97_CMD_SHIFT; xval |= val << VIA_REG_AC97_DATA_SHIFT; snd_via82xx_codec_xwrite(chip, xval); snd_via82xx_codec_ready(chip, ac97->num); } |
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static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) |
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{ |
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struct via82xx_modem *chip = ac97->private_data; |
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unsigned int xval, val = 0xffff; int again = 0; xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; xval |= VIA_REG_AC97_READ; xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; while (1) { if (again++ > 3) { |
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snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x] ", ac97->num, snd_via82xx_codec_xread(chip)); |
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return 0xffff; } snd_via82xx_codec_xwrite(chip, xval); udelay (20); if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { udelay(25); val = snd_via82xx_codec_xread(chip); break; } } return val & 0xffff; } |
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static void snd_via82xx_channel_reset(struct via82xx_modem *chip, struct viadev *viadev) |
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{ outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, VIADEV_REG(viadev, OFFSET_CONTROL)); inb(VIADEV_REG(viadev, OFFSET_CONTROL)); udelay(50); /* disable interrupts */ outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); /* clear interrupts */ outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); viadev->lastpos = 0; } /* * Interrupt handler */ |
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static irqreturn_t snd_via82xx_interrupt(int irq, void *dev_id) |
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{ |
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struct via82xx_modem *chip = dev_id; |
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unsigned int status; unsigned int i; status = inl(VIAREG(chip, SGD_SHADOW)); if (! (status & chip->intr_mask)) { return IRQ_NONE; } // _skip_sgd: /* check status for each stream */ spin_lock(&chip->reg_lock); for (i = 0; i < chip->num_devs; i++) { |
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struct viadev *viadev = &chip->devs[i]; |
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unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); c_status &= (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED); if (! c_status) continue; if (viadev->substream && viadev->running) { spin_unlock(&chip->reg_lock); snd_pcm_period_elapsed(viadev->substream); spin_lock(&chip->reg_lock); } outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ } spin_unlock(&chip->reg_lock); return IRQ_HANDLED; } /* * PCM callbacks */ /* * trigger callback */ |
e437e3d7c [ALSA] Remove xxx... |
507 |
static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
1da177e4c Linux-2.6.12-rc2 |
508 |
{ |
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509 510 |
struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
511 512 513 514 |
unsigned char val = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: |
41e4845c4 [ALSA] PCM resume... |
515 |
case SNDRV_PCM_TRIGGER_SUSPEND: |
1da177e4c Linux-2.6.12-rc2 |
516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 |
val |= VIA_REG_CTRL_START; viadev->running = 1; break; case SNDRV_PCM_TRIGGER_STOP: val = VIA_REG_CTRL_TERMINATE; viadev->running = 0; break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: val |= VIA_REG_CTRL_PAUSE; viadev->running = 0; break; case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: viadev->running = 1; break; default: return -EINVAL; } outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); if (cmd == SNDRV_PCM_TRIGGER_STOP) snd_via82xx_channel_reset(chip, viadev); return 0; } |
1da177e4c Linux-2.6.12-rc2 |
538 539 540 541 542 543 544 545 546 |
/* * pointer callbacks */ /* * calculate the linear position at the given sg-buffer index and the rest count */ #define check_invalid_pos(viadev,pos) \ |
e437e3d7c [ALSA] Remove xxx... |
547 548 |
((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ viadev->lastpos < viadev->bufsize2)) |
1da177e4c Linux-2.6.12-rc2 |
549 |
|
e437e3d7c [ALSA] Remove xxx... |
550 551 |
static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, unsigned int count) |
1da177e4c Linux-2.6.12-rc2 |
552 553 554 555 556 557 558 559 |
{ unsigned int size, res; size = viadev->idx_table[idx].size; res = viadev->idx_table[idx].offset + size - count; /* check the validity of the calculated position */ if (size < count) { |
e437e3d7c [ALSA] Remove xxx... |
560 561 562 |
snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d) ", (int)size, (int)count); |
1da177e4c Linux-2.6.12-rc2 |
563 564 565 |
res = viadev->lastpos; } else if (check_invalid_pos(viadev, res)) { #ifdef POINTER_DEBUG |
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printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " "count = 0x%x ", idx, viadev->tbl_entries, viadev->lastpos, viadev->bufsize2, viadev->idx_table[idx].offset, viadev->idx_table[idx].size, count); |
1da177e4c Linux-2.6.12-rc2 |
572 573 |
#endif if (count && size < count) { |
e437e3d7c [ALSA] Remove xxx... |
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snd_printd(KERN_ERR "invalid via82xx_cur_ptr, " "using last valid pointer "); |
1da177e4c Linux-2.6.12-rc2 |
577 578 579 580 581 582 |
res = viadev->lastpos; } else { if (! count) /* bogus count 0 on the DMA boundary? */ res = viadev->idx_table[idx].offset; else |
e437e3d7c [ALSA] Remove xxx... |
583 584 585 |
/* count register returns full size * when end of buffer is reached */ |
1da177e4c Linux-2.6.12-rc2 |
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res = viadev->idx_table[idx].offset + size; if (check_invalid_pos(viadev, res)) { |
e437e3d7c [ALSA] Remove xxx... |
588 589 590 |
snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " "using last valid pointer "); |
1da177e4c Linux-2.6.12-rc2 |
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res = viadev->lastpos; } } } viadev->lastpos = res; /* remember the last position */ if (res >= viadev->bufsize) res -= viadev->bufsize; return res; } /* * get the current pointer on via686 */ |
e437e3d7c [ALSA] Remove xxx... |
604 |
static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
605 |
{ |
e437e3d7c [ALSA] Remove xxx... |
606 607 |
struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
608 |
unsigned int idx, ptr, count, res; |
da3cec35d ALSA: Kill snd_as... |
609 610 |
if (snd_BUG_ON(!viadev->tbl_entries)) return 0; |
1da177e4c Linux-2.6.12-rc2 |
611 612 613 614 615 616 617 618 619 620 621 622 |
if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) return 0; spin_lock(&chip->reg_lock); count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; /* The via686a does not have the current index register, * so we need to calculate the index from CURR_PTR. */ ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); if (ptr <= (unsigned int)viadev->table.addr) idx = 0; else /* CURR_PTR holds the address + 8 */ |
e437e3d7c [ALSA] Remove xxx... |
623 624 |
idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; |
1da177e4c Linux-2.6.12-rc2 |
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res = calc_linear_pos(viadev, idx, count); spin_unlock(&chip->reg_lock); return bytes_to_frames(substream->runtime, res); } /* * hw_params callback: * allocate the buffer and build up the buffer description table */ |
e437e3d7c [ALSA] Remove xxx... |
635 636 |
static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) |
1da177e4c Linux-2.6.12-rc2 |
637 |
{ |
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struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 |
int err; err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); if (err < 0) return err; err = build_via_table(viadev, substream, chip->pci, params_periods(hw_params), params_period_bytes(hw_params)); if (err < 0) return err; snd_ac97_write(chip->ac97, AC97_LINE1_RATE, params_rate(hw_params)); snd_ac97_write(chip->ac97, AC97_LINE1_LEVEL, 0); return 0; } /* * hw_free callback: * clean up the buffer description table and release the buffer */ |
e437e3d7c [ALSA] Remove xxx... |
661 |
static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
662 |
{ |
e437e3d7c [ALSA] Remove xxx... |
663 664 |
struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
665 666 667 668 669 670 671 672 673 674 |
clean_via_table(viadev, substream, chip->pci); snd_pcm_lib_free_pages(substream); return 0; } /* * set up the table pointer */ |
e437e3d7c [ALSA] Remove xxx... |
675 |
static void snd_via82xx_set_table_ptr(struct via82xx_modem *chip, struct viadev *viadev) |
1da177e4c Linux-2.6.12-rc2 |
676 677 678 679 680 681 682 683 684 685 |
{ snd_via82xx_codec_ready(chip, chip->ac97_secondary); outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); udelay(20); snd_via82xx_codec_ready(chip, chip->ac97_secondary); } /* * prepare callback for playback and capture */ |
e437e3d7c [ALSA] Remove xxx... |
686 |
static int snd_via82xx_pcm_prepare(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
687 |
{ |
e437e3d7c [ALSA] Remove xxx... |
688 689 |
struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
690 691 692 693 694 695 696 697 698 699 700 701 |
snd_via82xx_channel_reset(chip, viadev); /* this must be set after channel_reset */ snd_via82xx_set_table_ptr(chip, viadev); outb(VIA_REG_TYPE_AUTOSTART|VIA_REG_TYPE_INT_EOL|VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); return 0; } /* * pcm hardware definition, identical for both playback and capture */ |
e437e3d7c [ALSA] Remove xxx... |
702 |
static struct snd_pcm_hardware snd_via82xx_hw = |
1da177e4c Linux-2.6.12-rc2 |
703 704 705 706 |
{ .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID | |
41e4845c4 [ALSA] PCM resume... |
707 |
/* SNDRV_PCM_INFO_RESUME | */ |
1da177e4c Linux-2.6.12-rc2 |
708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 |
SNDRV_PCM_INFO_PAUSE), .formats = SNDRV_PCM_FMTBIT_U8 | 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 = 128 * 1024, .period_bytes_min = 32, .period_bytes_max = 128 * 1024, .periods_min = 2, .periods_max = VIA_TABLE_SIZE / 2, .fifo_size = 0, }; /* * open callback skeleton */ |
e437e3d7c [ALSA] Remove xxx... |
727 728 |
static int snd_via82xx_modem_pcm_open(struct via82xx_modem *chip, struct viadev *viadev, struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
729 |
{ |
e437e3d7c [ALSA] Remove xxx... |
730 |
struct snd_pcm_runtime *runtime = substream->runtime; |
1da177e4c Linux-2.6.12-rc2 |
731 732 |
int err; static unsigned int rates[] = { 8000, 9600, 12000, 16000 }; |
e437e3d7c [ALSA] Remove xxx... |
733 |
static struct snd_pcm_hw_constraint_list hw_constraints_rates = { |
1da177e4c Linux-2.6.12-rc2 |
734 735 736 737 738 739 740 |
.count = ARRAY_SIZE(rates), .list = rates, .mask = 0, }; runtime->hw = snd_via82xx_hw; |
e437e3d7c [ALSA] Remove xxx... |
741 742 |
if ((err = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates)) < 0) |
1da177e4c Linux-2.6.12-rc2 |
743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 |
return err; /* we may remove following constaint when we modify table entries in interrupt */ if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) return err; runtime->private_data = viadev; viadev->substream = substream; return 0; } /* * open callback for playback */ |
e437e3d7c [ALSA] Remove xxx... |
760 |
static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
761 |
{ |
e437e3d7c [ALSA] Remove xxx... |
762 763 |
struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; |
1da177e4c Linux-2.6.12-rc2 |
764 765 766 767 768 769 770 |
return snd_via82xx_modem_pcm_open(chip, viadev, substream); } /* * open callback for capture */ |
e437e3d7c [ALSA] Remove xxx... |
771 |
static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
772 |
{ |
e437e3d7c [ALSA] Remove xxx... |
773 774 |
struct via82xx_modem *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; |
1da177e4c Linux-2.6.12-rc2 |
775 776 777 778 779 780 781 |
return snd_via82xx_modem_pcm_open(chip, viadev, substream); } /* * close callback */ |
e437e3d7c [ALSA] Remove xxx... |
782 |
static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) |
1da177e4c Linux-2.6.12-rc2 |
783 |
{ |
e437e3d7c [ALSA] Remove xxx... |
784 |
struct viadev *viadev = substream->runtime->private_data; |
1da177e4c Linux-2.6.12-rc2 |
785 786 787 788 789 790 791 |
viadev->substream = NULL; return 0; } /* via686 playback callbacks */ |
e437e3d7c [ALSA] Remove xxx... |
792 |
static struct snd_pcm_ops snd_via686_playback_ops = { |
1da177e4c Linux-2.6.12-rc2 |
793 794 795 796 797 798 |
.open = snd_via82xx_playback_open, .close = snd_via82xx_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_via82xx_hw_params, .hw_free = snd_via82xx_hw_free, .prepare = snd_via82xx_pcm_prepare, |
83a5b72ad [ALSA] PCI modem ... |
799 |
.trigger = snd_via82xx_pcm_trigger, |
1da177e4c Linux-2.6.12-rc2 |
800 801 802 803 804 |
.pointer = snd_via686_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; /* via686 capture callbacks */ |
e437e3d7c [ALSA] Remove xxx... |
805 |
static struct snd_pcm_ops snd_via686_capture_ops = { |
1da177e4c Linux-2.6.12-rc2 |
806 807 808 809 810 811 |
.open = snd_via82xx_capture_open, .close = snd_via82xx_pcm_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_via82xx_hw_params, .hw_free = snd_via82xx_hw_free, .prepare = snd_via82xx_pcm_prepare, |
83a5b72ad [ALSA] PCI modem ... |
812 |
.trigger = snd_via82xx_pcm_trigger, |
1da177e4c Linux-2.6.12-rc2 |
813 814 815 |
.pointer = snd_via686_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; |
e437e3d7c [ALSA] Remove xxx... |
816 817 |
static void init_viadev(struct via82xx_modem *chip, int idx, unsigned int reg_offset, int direction) |
1da177e4c Linux-2.6.12-rc2 |
818 819 820 821 822 823 824 825 826 |
{ chip->devs[idx].reg_offset = reg_offset; chip->devs[idx].direction = direction; chip->devs[idx].port = chip->port + reg_offset; } /* * create a pcm instance for via686a/b */ |
e437e3d7c [ALSA] Remove xxx... |
827 |
static int __devinit snd_via686_pcm_new(struct via82xx_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
828 |
{ |
e437e3d7c [ALSA] Remove xxx... |
829 |
struct snd_pcm *pcm; |
1da177e4c Linux-2.6.12-rc2 |
830 831 832 833 834 835 836 837 838 839 840 841 |
int err; chip->playback_devno = 0; chip->capture_devno = 1; chip->num_devs = 2; chip->intr_mask = 0x330000; /* FLAGS | EOL for MR, MW */ err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); |
6632d198c [ALSA] dev_class=... |
842 |
pcm->dev_class = SNDRV_PCM_CLASS_MODEM; |
1da177e4c Linux-2.6.12-rc2 |
843 844 845 846 847 848 849 |
pcm->private_data = chip; strcpy(pcm->name, chip->card->shortname); chip->pcms[0] = pcm; init_viadev(chip, 0, VIA_REG_MO_STATUS, 0); init_viadev(chip, 1, VIA_REG_MI_STATUS, 1); if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, |
e437e3d7c [ALSA] Remove xxx... |
850 851 |
snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) |
1da177e4c Linux-2.6.12-rc2 |
852 853 854 855 856 857 858 859 860 |
return err; return 0; } /* * Mixer part */ |
e437e3d7c [ALSA] Remove xxx... |
861 |
static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) |
1da177e4c Linux-2.6.12-rc2 |
862 |
{ |
e437e3d7c [ALSA] Remove xxx... |
863 |
struct via82xx_modem *chip = bus->private_data; |
1da177e4c Linux-2.6.12-rc2 |
864 865 |
chip->ac97_bus = NULL; } |
e437e3d7c [ALSA] Remove xxx... |
866 |
static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) |
1da177e4c Linux-2.6.12-rc2 |
867 |
{ |
e437e3d7c [ALSA] Remove xxx... |
868 |
struct via82xx_modem *chip = ac97->private_data; |
1da177e4c Linux-2.6.12-rc2 |
869 870 |
chip->ac97 = NULL; } |
e437e3d7c [ALSA] Remove xxx... |
871 |
static int __devinit snd_via82xx_mixer_new(struct via82xx_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
872 |
{ |
e437e3d7c [ALSA] Remove xxx... |
873 |
struct snd_ac97_template ac97; |
1da177e4c Linux-2.6.12-rc2 |
874 |
int err; |
e437e3d7c [ALSA] Remove xxx... |
875 |
static struct snd_ac97_bus_ops ops = { |
1da177e4c Linux-2.6.12-rc2 |
876 877 878 879 880 881 882 883 884 |
.write = snd_via82xx_codec_write, .read = snd_via82xx_codec_read, .wait = snd_via82xx_codec_wait, }; if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) return err; chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; chip->ac97_bus->clock = chip->ac97_clock; |
1da177e4c Linux-2.6.12-rc2 |
885 886 887 888 889 |
memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.private_free = snd_via82xx_mixer_free_ac97; ac97.pci = chip->pci; |
f1a63a38d [ALSA] ac97 - Sup... |
890 |
ac97.scaps = AC97_SCAP_SKIP_AUDIO | AC97_SCAP_POWER_SAVE; |
1da177e4c Linux-2.6.12-rc2 |
891 892 893 894 895 896 897 898 899 900 901 902 |
ac97.num = chip->ac97_secondary; if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) return err; return 0; } /* * proc interface */ |
e437e3d7c [ALSA] Remove xxx... |
903 |
static void snd_via82xx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) |
1da177e4c Linux-2.6.12-rc2 |
904 |
{ |
e437e3d7c [ALSA] Remove xxx... |
905 |
struct via82xx_modem *chip = entry->private_data; |
1da177e4c Linux-2.6.12-rc2 |
906 907 908 909 910 911 912 913 914 915 |
int i; snd_iprintf(buffer, "%s ", chip->card->longname); for (i = 0; i < 0xa0; i += 4) { snd_iprintf(buffer, "%02x: %08x ", i, inl(chip->port + i)); } } |
e437e3d7c [ALSA] Remove xxx... |
916 |
static void __devinit snd_via82xx_proc_init(struct via82xx_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
917 |
{ |
e437e3d7c [ALSA] Remove xxx... |
918 |
struct snd_info_entry *entry; |
1da177e4c Linux-2.6.12-rc2 |
919 920 |
if (! snd_card_proc_new(chip->card, "via82xx", &entry)) |
bf850204a [ALSA] Remove unn... |
921 |
snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); |
1da177e4c Linux-2.6.12-rc2 |
922 923 924 925 926 |
} /* * */ |
e437e3d7c [ALSA] Remove xxx... |
927 |
static int snd_via82xx_chip_init(struct via82xx_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
928 929 |
{ unsigned int val; |
ef21ca24f [ALSA] sound/pci:... |
930 |
unsigned long end_time; |
1da177e4c Linux-2.6.12-rc2 |
931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 |
unsigned char pval; pci_read_config_byte(chip->pci, VIA_MC97_CTRL, &pval); if((pval & VIA_MC97_CTRL_INIT) != VIA_MC97_CTRL_INIT) { pci_write_config_byte(chip->pci, 0x44, pval|VIA_MC97_CTRL_INIT); udelay(100); } pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ /* deassert ACLink reset, force SYNC */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_ENABLE | VIA_ACLINK_CTRL_RESET | VIA_ACLINK_CTRL_SYNC); udelay(100); #if 1 /* FIXME: should we do full reset here for all chip models? */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); udelay(100); #else /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); udelay(2); #endif /* ACLink on, deassert ACLink reset, VSR, SGD data out */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); udelay(100); } pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { /* ACLink on, deassert ACLink reset, VSR, SGD data out */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); udelay(100); } /* wait until codec ready */ |
ef21ca24f [ALSA] sound/pci:... |
969 |
end_time = jiffies + msecs_to_jiffies(750); |
1da177e4c Linux-2.6.12-rc2 |
970 971 972 973 |
do { pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ break; |
d86d01935 [ALSA] alsa-kerne... |
974 |
schedule_timeout_uninterruptible(1); |
ef21ca24f [ALSA] sound/pci:... |
975 |
} while (time_before(jiffies, end_time)); |
1da177e4c Linux-2.6.12-rc2 |
976 977 |
if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) |
99b359ba1 [ALSA] Add missin... |
978 979 |
snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x] ", val); |
1da177e4c Linux-2.6.12-rc2 |
980 981 982 983 |
snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | VIA_REG_AC97_SECONDARY_VALID | (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); |
ef21ca24f [ALSA] sound/pci:... |
984 |
end_time = jiffies + msecs_to_jiffies(750); |
1da177e4c Linux-2.6.12-rc2 |
985 986 987 988 989 990 991 992 |
snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | VIA_REG_AC97_SECONDARY_VALID | (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); do { if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { chip->ac97_secondary = 1; goto __ac97_ok2; } |
d86d01935 [ALSA] alsa-kerne... |
993 |
schedule_timeout_uninterruptible(1); |
ef21ca24f [ALSA] sound/pci:... |
994 |
} while (time_before(jiffies, end_time)); |
1da177e4c Linux-2.6.12-rc2 |
995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 |
/* This is ok, the most of motherboards have only one codec */ __ac97_ok2: /* route FM trap to IRQ, disable FM trap */ // pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); /* disable all GPI interrupts */ outl(0, VIAREG(chip, GPI_INTR)); return 0; } #ifdef CONFIG_PM /* * power management */ |
57feb8350 [ALSA] via82xx - ... |
1011 |
static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) |
1da177e4c Linux-2.6.12-rc2 |
1012 |
{ |
57feb8350 [ALSA] via82xx - ... |
1013 1014 |
struct snd_card *card = pci_get_drvdata(pci); struct via82xx_modem *chip = card->private_data; |
1da177e4c Linux-2.6.12-rc2 |
1015 |
int i; |
57feb8350 [ALSA] via82xx - ... |
1016 |
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); |
1da177e4c Linux-2.6.12-rc2 |
1017 |
for (i = 0; i < 2; i++) |
57feb8350 [ALSA] via82xx - ... |
1018 |
snd_pcm_suspend_all(chip->pcms[i]); |
1da177e4c Linux-2.6.12-rc2 |
1019 1020 1021 1022 |
for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); synchronize_irq(chip->irq); snd_ac97_suspend(chip->ac97); |
30b35399c [ALSA] Various fi... |
1023 |
|
57feb8350 [ALSA] via82xx - ... |
1024 1025 |
pci_disable_device(pci); pci_save_state(pci); |
30b35399c [ALSA] Various fi... |
1026 |
pci_set_power_state(pci, pci_choose_state(pci, state)); |
1da177e4c Linux-2.6.12-rc2 |
1027 1028 |
return 0; } |
57feb8350 [ALSA] via82xx - ... |
1029 |
static int snd_via82xx_resume(struct pci_dev *pci) |
1da177e4c Linux-2.6.12-rc2 |
1030 |
{ |
57feb8350 [ALSA] via82xx - ... |
1031 1032 |
struct snd_card *card = pci_get_drvdata(pci); struct via82xx_modem *chip = card->private_data; |
1da177e4c Linux-2.6.12-rc2 |
1033 |
int i; |
57feb8350 [ALSA] via82xx - ... |
1034 |
pci_set_power_state(pci, PCI_D0); |
30b35399c [ALSA] Various fi... |
1035 1036 1037 1038 1039 1040 1041 1042 |
pci_restore_state(pci); if (pci_enable_device(pci) < 0) { printk(KERN_ERR "via82xx-modem: pci_enable_device failed, " "disabling device "); snd_card_disconnect(card); return -EIO; } |
57feb8350 [ALSA] via82xx - ... |
1043 |
pci_set_master(pci); |
1da177e4c Linux-2.6.12-rc2 |
1044 1045 1046 1047 1048 1049 1050 |
snd_via82xx_chip_init(chip); snd_ac97_resume(chip->ac97); for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); |
57feb8350 [ALSA] via82xx - ... |
1051 |
snd_power_change_state(card, SNDRV_CTL_POWER_D0); |
1da177e4c Linux-2.6.12-rc2 |
1052 1053 1054 |
return 0; } #endif /* CONFIG_PM */ |
e437e3d7c [ALSA] Remove xxx... |
1055 |
static int snd_via82xx_free(struct via82xx_modem *chip) |
1da177e4c Linux-2.6.12-rc2 |
1056 1057 1058 1059 1060 1061 1062 1063 |
{ unsigned int i; if (chip->irq < 0) goto __end_hw; /* disable interrupts */ for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); |
f000fd809 [ALSA] Fix synchr... |
1064 |
|
1da177e4c Linux-2.6.12-rc2 |
1065 1066 |
__end_hw: if (chip->irq >= 0) |
e437e3d7c [ALSA] Remove xxx... |
1067 |
free_irq(chip->irq, chip); |
1da177e4c Linux-2.6.12-rc2 |
1068 1069 1070 1071 1072 |
pci_release_regions(chip->pci); pci_disable_device(chip->pci); kfree(chip); return 0; } |
e437e3d7c [ALSA] Remove xxx... |
1073 |
static int snd_via82xx_dev_free(struct snd_device *device) |
1da177e4c Linux-2.6.12-rc2 |
1074 |
{ |
e437e3d7c [ALSA] Remove xxx... |
1075 |
struct via82xx_modem *chip = device->device_data; |
1da177e4c Linux-2.6.12-rc2 |
1076 1077 |
return snd_via82xx_free(chip); } |
e437e3d7c [ALSA] Remove xxx... |
1078 |
static int __devinit snd_via82xx_create(struct snd_card *card, |
1da177e4c Linux-2.6.12-rc2 |
1079 1080 1081 1082 |
struct pci_dev *pci, int chip_type, int revision, unsigned int ac97_clock, |
e437e3d7c [ALSA] Remove xxx... |
1083 |
struct via82xx_modem ** r_via) |
1da177e4c Linux-2.6.12-rc2 |
1084 |
{ |
e437e3d7c [ALSA] Remove xxx... |
1085 |
struct via82xx_modem *chip; |
1da177e4c Linux-2.6.12-rc2 |
1086 |
int err; |
e437e3d7c [ALSA] Remove xxx... |
1087 |
static struct snd_device_ops ops = { |
1da177e4c Linux-2.6.12-rc2 |
1088 1089 1090 1091 1092 |
.dev_free = snd_via82xx_dev_free, }; if ((err = pci_enable_device(pci)) < 0) return err; |
e560d8d83 [ALSA] Replace wi... |
1093 |
if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { |
1da177e4c Linux-2.6.12-rc2 |
1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 |
pci_disable_device(pci); return -ENOMEM; } spin_lock_init(&chip->reg_lock); chip->card = card; chip->pci = pci; chip->irq = -1; if ((err = pci_request_regions(pci, card->driver)) < 0) { kfree(chip); pci_disable_device(pci); return err; } chip->port = pci_resource_start(pci, 0); |
437a5a460 [ALSA] Remove IRQ... |
1109 |
if (request_irq(pci->irq, snd_via82xx_interrupt, IRQF_SHARED, |
934c2b6d0 ALSA: use KBUILD_... |
1110 |
KBUILD_MODNAME, chip)) { |
99b359ba1 [ALSA] Add missin... |
1111 1112 |
snd_printk(KERN_ERR "unable to grab IRQ %d ", pci->irq); |
1da177e4c Linux-2.6.12-rc2 |
1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 |
snd_via82xx_free(chip); return -EBUSY; } chip->irq = pci->irq; if (ac97_clock >= 8000 && ac97_clock <= 48000) chip->ac97_clock = ac97_clock; synchronize_irq(chip->irq); if ((err = snd_via82xx_chip_init(chip)) < 0) { snd_via82xx_free(chip); return err; } if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { snd_via82xx_free(chip); return err; } /* The 8233 ac97 controller does not implement the master bit * in the pci command register. IMHO this is a violation of the PCI spec. * We call pci_set_master here because it does not hurt. */ pci_set_master(pci); snd_card_set_dev(card, &pci->dev); *r_via = chip; return 0; } static int __devinit snd_via82xx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { |
e437e3d7c [ALSA] Remove xxx... |
1146 1147 |
struct snd_card *card; struct via82xx_modem *chip; |
1da177e4c Linux-2.6.12-rc2 |
1148 1149 1150 |
int chip_type = 0, card_type; unsigned int i; int err; |
e58de7baf ALSA: Convert to ... |
1151 1152 1153 |
err = snd_card_create(index, id, THIS_MODULE, 0, &card); if (err < 0) return err; |
1da177e4c Linux-2.6.12-rc2 |
1154 1155 |
card_type = pci_id->driver_data; |
1da177e4c Linux-2.6.12-rc2 |
1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 |
switch (card_type) { case TYPE_CARD_VIA82XX_MODEM: strcpy(card->driver, "VIA82XX-MODEM"); sprintf(card->shortname, "VIA 82XX modem"); break; default: snd_printk(KERN_ERR "invalid card type %d ", card_type); err = -EINVAL; goto __error; } |
44c10138f PCI: Change all d... |
1168 |
if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, |
b7fe46220 [ALSA] highlander... |
1169 |
ac97_clock, &chip)) < 0) |
1da177e4c Linux-2.6.12-rc2 |
1170 |
goto __error; |
57feb8350 [ALSA] via82xx - ... |
1171 |
card->private_data = chip; |
1da177e4c Linux-2.6.12-rc2 |
1172 1173 1174 1175 1176 |
if ((err = snd_via82xx_mixer_new(chip)) < 0) goto __error; if ((err = snd_via686_pcm_new(chip)) < 0 ) goto __error; |
1da177e4c Linux-2.6.12-rc2 |
1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 |
/* disable interrupts */ for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname, chip->port, chip->irq); snd_via82xx_proc_init(chip); if ((err = snd_card_register(card)) < 0) { snd_card_free(card); return err; } pci_set_drvdata(pci, card); |
1da177e4c Linux-2.6.12-rc2 |
1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 |
return 0; __error: snd_card_free(card); return err; } static void __devexit snd_via82xx_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_... |
1205 |
.name = KBUILD_MODNAME, |
1da177e4c Linux-2.6.12-rc2 |
1206 1207 1208 |
.id_table = snd_via82xx_modem_ids, .probe = snd_via82xx_probe, .remove = __devexit_p(snd_via82xx_remove), |
57feb8350 [ALSA] via82xx - ... |
1209 1210 1211 1212 |
#ifdef CONFIG_PM .suspend = snd_via82xx_suspend, .resume = snd_via82xx_resume, #endif |
1da177e4c Linux-2.6.12-rc2 |
1213 1214 1215 1216 |
}; static int __init alsa_card_via82xx_init(void) { |
01d25d460 [ALSA] Replace pc... |
1217 |
return pci_register_driver(&driver); |
1da177e4c Linux-2.6.12-rc2 |
1218 1219 1220 1221 1222 1223 1224 1225 1226 |
} static void __exit alsa_card_via82xx_exit(void) { pci_unregister_driver(&driver); } module_init(alsa_card_via82xx_init) module_exit(alsa_card_via82xx_exit) |