/* * ALSA driver for VIA VT82xx (South Bridge) * * VT82C686A/B/C, VT8233A/C, VT8235 * * Copyright (c) 2000 Jaroslav Kysela * Tjeerd.Mulder * 2002 Takashi Iwai * * 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: * * Dec. 19, 2002 Takashi Iwai * - use the DSX channels for the first pcm playback. * (on VIA8233, 8233C and 8235 only) * this will allow you play simultaneously up to 4 streams. * multi-channel playback is assigned to the second device * on these chips. * - support the secondary capture (on VIA8233/C,8235) * - SPDIF support * the DSX3 channel can be used for SPDIF output. * on VIA8233A, this channel is assigned to the second pcm * playback. * the card config of alsa-lib will assign the correct * device for applications. * - clean up the code, separate low-level initialization * routines for each chipset. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SNDRV_GET_ID #include #if 0 #define POINTER_DEBUG #endif MODULE_AUTHOR("Jaroslav Kysela "); MODULE_DESCRIPTION("VIA VT82xx audio"); MODULE_LICENSE("GPL"); MODULE_CLASSES("{sound}"); MODULE_DEVICES("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) #define SUPPORT_JOYSTICK 1 #endif static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */ static long mpu_port[SNDRV_CARDS]; #ifdef SUPPORT_JOYSTICK static int joystick[SNDRV_CARDS]; #endif static int ac97_clock[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 48000}; static int ac97_quirk[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = AC97_TUNE_DEFAULT}; static int dxs_support[SNDRV_CARDS]; MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC); MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s"); MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC); MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(enable, "Enable audio part of VIA 82xx bridge."); MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC); MODULE_PARM(mpu_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l"); MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); MODULE_PARM_SYNTAX(mpu_port, SNDRV_PORT_DESC); #ifdef SUPPORT_JOYSTICK MODULE_PARM(joystick, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); MODULE_PARM_SYNTAX(joystick, SNDRV_ENABLE_DESC "," SNDRV_BOOLEAN_FALSE_DESC); #endif MODULE_PARM(ac97_clock, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); MODULE_PARM_SYNTAX(ac97_clock, SNDRV_ENABLED ",default:48000"); MODULE_PARM(ac97_quirk, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); MODULE_PARM_SYNTAX(ac97_quirk, SNDRV_ENABLED ",allows:{{-1,4}},dialog:list,default:-1"); MODULE_PARM(dxs_support, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA)"); MODULE_PARM_SYNTAX(dxs_support, SNDRV_ENABLED ",allows:{{0,4}},dialog:list"); /* pci ids */ #ifndef PCI_DEVICE_ID_VIA_82C686_5 #define PCI_DEVICE_ID_VIA_82C686_5 0x3058 #endif #ifndef PCI_DEVICE_ID_VIA_8233_5 #define PCI_DEVICE_ID_VIA_8233_5 0x3059 #endif /* revision numbers for via686 */ #define VIA_REV_686_A 0x10 #define VIA_REV_686_B 0x11 #define VIA_REV_686_C 0x12 #define VIA_REV_686_D 0x13 #define VIA_REV_686_E 0x14 #define VIA_REV_686_H 0x20 /* revision numbers for via8233 */ #define VIA_REV_PRE_8233 0x10 /* not in market */ #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ /* * 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 VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ #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,\ } /* playback block */ DEFINE_VIA_REGSET(PLAYBACK, 0x00); DEFINE_VIA_REGSET(CAPTURE, 0x10); DEFINE_VIA_REGSET(FM, 0x20); /* 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 */ /* via686 */ #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) /* via8233 */ #define VIA8233_REG_SGD_STAT_FLAG (1<<0) #define VIA8233_REG_SGD_STAT_EOL (1<<1) #define VIA8233_REG_SGD_STAT_STOP (1<<2) #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) #define VIA8233_REG_SGD_CHAN_SDX 0 #define VIA8233_REG_SGD_CHAN_MULTI 4 #define VIA8233_REG_SGD_CHAN_REC 6 #define VIA8233_REG_SGD_CHAN_REC1 7 #define VIA_REG_GPI_STATUS 0x88 #define VIA_REG_GPI_INTR 0x8c /* multi-channel and capture registers for via8233 */ DEFINE_VIA_REGSET(MULTPLAY, 0x40); DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); /* via8233-specific registers */ #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ #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|\ VIA_ACLINK_CTRL_VRA) #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_FM_NMI_CTRL 0x48 #define VIA8233_VOLCHG_CTRL 0x48 #define VIA8233_SPDIF_CTRL 0x49 #define VIA8233_SPDIF_DX3 0x08 #define VIA8233_SPDIF_SLOT_MASK 0x03 #define VIA8233_SPDIF_SLOT_1011 0x00 #define VIA8233_SPDIF_SLOT_34 0x01 #define VIA8233_SPDIF_SLOT_78 0x02 #define VIA8233_SPDIF_SLOT_69 0x03 /* */ #define VIA_DXS_AUTO 0 #define VIA_DXS_ENABLE 1 #define VIA_DXS_DISABLE 2 #define VIA_DXS_48K 3 #define VIA_DXS_NO_VRA 4 /* */ typedef struct _snd_via82xx via82xx_t; typedef struct via_dev viadev_t; #define chip_t via82xx_t /* * pcm stream */ struct snd_via_sg_table { unsigned int offset; unsigned int size; } ; #define VIA_TABLE_SIZE 255 struct via_dev { unsigned int reg_offset; unsigned long port; int direction; /* playback = 0, capture = 1 */ snd_pcm_substream_t *substream; 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_VIA686 = 1, TYPE_CARD_VIA8233 }; enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ struct via_rate_lock { spinlock_t lock; int rate; int used; }; struct _snd_via82xx { int irq; unsigned long port; struct resource *res_port; struct resource *mpu_res; int chip_type; unsigned char revision; unsigned char old_legacy; unsigned char old_legacy_cfg; unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ struct pci_dev *pci; snd_card_t *card; unsigned int num_devs; unsigned int playback_devno, multi_devno, capture_devno; viadev_t devs[VIA_MAX_DEVS]; struct via_rate_lock rates[2]; /* playback and capture */ unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ snd_rawmidi_t *rmidi; ac97_bus_t *ac97_bus; ac97_t *ac97; unsigned int ac97_clock; unsigned int ac97_secondary; /* secondary AC'97 codec is present */ spinlock_t reg_lock; spinlock_t ac97_lock; snd_info_entry_t *proc_entry; struct snd_dma_device dma_dev; #ifdef SUPPORT_JOYSTICK struct gameport gameport; struct resource *res_joystick; #endif }; static struct pci_device_id snd_via82xx_ids[] = { { 0x1106, 0x3058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ { 0x1106, 0x3059, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ { 0, } }; MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); /* */ /* * allocate and initialize the descriptor buffers * periods = number of periods * fragsize = period size in bytes */ static int build_via_table(viadev_t *dev, snd_pcm_substream_t *substream, struct pci_dev *pci, unsigned int periods, unsigned int fragsize) { unsigned int i, idx, ofs, rest; via82xx_t *chip = snd_pcm_substream_chip(substream); struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 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(&chip->dma_dev, 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; if (idx >= VIA_TABLE_SIZE) { snd_printk(KERN_ERR "via82xx: too much table size!\n"); return -EINVAL; } ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 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 */ // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); ((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; } static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream, struct pci_dev *pci) { via82xx_t *chip = snd_pcm_substream_chip(substream); if (dev->table.area) { snd_dma_free_pages(&chip->dma_dev, &dev->table); dev->table.area = NULL; } if (dev->idx_table) { kfree(dev->idx_table); dev->idx_table = NULL; } return 0; } /* * Basic I/O */ static inline unsigned int snd_via82xx_codec_xread(via82xx_t *chip) { return inl(VIAREG(chip, AC97)); } static inline void snd_via82xx_codec_xwrite(via82xx_t *chip, unsigned int val) { outl(val, VIAREG(chip, AC97)); } static int snd_via82xx_codec_ready(via82xx_t *chip, int secondary) { 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; } snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_via82xx_codec_xread(chip)); return -EIO; } static int snd_via82xx_codec_valid(via82xx_t *chip, int secondary) { 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; } static void snd_via82xx_codec_wait(ac97_t *ac97) { via82xx_t *chip = snd_magic_cast(via82xx_t, ac97->private_data, return); int err; err = snd_via82xx_codec_ready(chip, ac97->num); /* here we need to wait fairly for long time.. */ set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(HZ/2); } static void snd_via82xx_codec_write(ac97_t *ac97, unsigned short reg, unsigned short val) { via82xx_t *chip = snd_magic_cast(via82xx_t, ac97->private_data, return); unsigned int xval; 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; spin_lock(&chip->ac97_lock); snd_via82xx_codec_xwrite(chip, xval); snd_via82xx_codec_ready(chip, ac97->num); spin_unlock(&chip->ac97_lock); } static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg) { via82xx_t *chip = snd_magic_cast(via82xx_t, ac97->private_data, return ~0); 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; spin_lock(&chip->ac97_lock); while (1) { if (again++ > 3) { spin_unlock(&chip->ac97_lock); snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", ac97->num, snd_via82xx_codec_xread(chip)); 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; } } spin_unlock(&chip->ac97_lock); return val & 0xffff; } static void snd_via82xx_channel_reset(via82xx_t *chip, viadev_t *viadev) { 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 */ static irqreturn_t snd_via82xx_interrupt(int irq, void *dev_id, struct pt_regs *regs) { via82xx_t *chip = snd_magic_cast(via82xx_t, dev_id, return IRQ_NONE); unsigned int status; unsigned int i; spin_lock(&chip->reg_lock); #if 0 /* FIXME: does it work on via823x? */ if (chip->chip_type != TYPE_VIA686) goto _skip_sgd; #endif status = inl(VIAREG(chip, SGD_SHADOW)); if (! (status & chip->intr_mask)) { spin_unlock(&chip->reg_lock); if (chip->rmidi) /* check mpu401 interrupt */ return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); return IRQ_NONE; } // _skip_sgd: /* check status for each stream */ for (i = 0; i < chip->num_devs; i++) { viadev_t *viadev = &chip->devs[i]; 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 */ static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; unsigned char val; if (chip->chip_type != TYPE_VIA686) val = VIA_REG_CTRL_INT; else val = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: 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; } /* * pointer callbacks */ /* * calculate the linear position at the given sg-buffer index and the rest count */ static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, unsigned int count) { 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 || (res < viadev->lastpos && (res >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2))) { #ifdef POINTER_DEBUG printk("fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", idx, viadev->tbl_entries, viadev->lastpos, viadev->bufsize2, viadev->idx_table[idx].offset, viadev->idx_table[idx].size, count); #endif /* count register returns full size when end of buffer is reached */ if (size != count) { snd_printd(KERN_ERR "invalid via82xx_cur_ptr, using last valid pointer\n"); res = viadev->lastpos; } else { res = viadev->idx_table[idx].offset + size; if (res < viadev->lastpos && (res >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2)) { snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 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 */ static snd_pcm_uframes_t snd_via686_pcm_pointer(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; unsigned int idx, ptr, count, res; snd_assert(viadev->tbl_entries, return 0); 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 */ idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; res = calc_linear_pos(viadev, idx, count); spin_unlock(&chip->reg_lock); return bytes_to_frames(substream->runtime, res); } /* * get the current pointer on via823x */ static snd_pcm_uframes_t snd_via8233_pcm_pointer(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; unsigned int idx, count, res; snd_assert(viadev->tbl_entries, return 0); 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)); idx = count >> 24; if (idx >= viadev->tbl_entries) { #ifdef POINTER_DEBUG printk("fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); #endif res = viadev->lastpos; } else { count &= 0xffffff; 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 */ static int snd_via82xx_hw_params(snd_pcm_substream_t * substream, snd_pcm_hw_params_t * hw_params) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 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; return 0; } /* * hw_free callback: * clean up the buffer description table and release the buffer */ static int snd_via82xx_hw_free(snd_pcm_substream_t * substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; clean_via_table(viadev, substream, chip->pci); snd_pcm_lib_free_pages(substream); return 0; } /* * set up the table pointer */ static void snd_via82xx_set_table_ptr(via82xx_t *chip, viadev_t *viadev) { snd_via82xx_codec_ready(chip, 0); outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); udelay(20); snd_via82xx_codec_ready(chip, 0); } /* * prepare callback for playback and capture on via686 */ static void via686_setup_format(via82xx_t *chip, viadev_t *viadev, snd_pcm_runtime_t *runtime) { 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 | (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | VIA_REG_TYPE_INT_EOL | VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); } static int snd_via686_playback_prepare(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; snd_pcm_runtime_t *runtime = substream->runtime; snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); via686_setup_format(chip, viadev, runtime); return 0; } static int snd_via686_capture_prepare(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; snd_pcm_runtime_t *runtime = substream->runtime; snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); via686_setup_format(chip, viadev, runtime); return 0; } /* * lock the current rate */ static int via_lock_rate(struct via_rate_lock *rec, int rate) { int changed = 0; spin_lock(&rec->lock); if (rec->rate != rate) { if (rec->rate && rec->used > 1) /* already set */ changed = -EINVAL; else { rec->rate = rate; changed = 1; } } spin_unlock(&rec->lock); return changed; } /* * prepare callback for DSX playback on via823x */ static int snd_via8233_playback_prepare(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; snd_pcm_runtime_t *runtime = substream->runtime; int rate_changed; u32 rbits; if ((rate_changed = via_lock_rate(&chip->rates[0], runtime->rate)) < 0) return rate_changed; if (rate_changed) { snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, chip->no_vra ? 48000 : runtime->rate); snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); } if (runtime->rate == 48000) rbits = 0xfffff; else rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); snd_via82xx_channel_reset(chip, viadev); snd_via82xx_set_table_ptr(chip, viadev); outb(chip->playback_volume[viadev->reg_offset / 0x10][0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); outb(chip->playback_volume[viadev->reg_offset / 0x10][1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ rbits | /* rate */ 0xff000000, /* STOP index is never reached */ VIADEV_REG(viadev, OFFSET_STOP_IDX)); udelay(20); snd_via82xx_codec_ready(chip, 0); return 0; } /* * prepare callback for multi-channel playback on via823x */ static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; snd_pcm_runtime_t *runtime = substream->runtime; unsigned int slots; int fmt; if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) return -EINVAL; snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); snd_via82xx_channel_reset(chip, viadev); snd_via82xx_set_table_ptr(chip, viadev); fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; fmt |= runtime->channels << 4; outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); #if 0 if (chip->revision == VIA_REV_8233A) slots = 0; else #endif { /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ /* corresponding to FL, FR, RL, RR, C, LFE ?? */ switch (runtime->channels) { case 1: slots = (1<<0) | (1<<4); break; case 2: slots = (1<<0) | (2<<4); break; case 3: slots = (1<<0) | (2<<4) | (5<<8); break; case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; default: slots = 0; break; } } /* STOP index is never reached */ outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); udelay(20); snd_via82xx_codec_ready(chip, 0); return 0; } /* * prepare callback for capture on via823x */ static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; snd_pcm_runtime_t *runtime = substream->runtime; if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) return -EINVAL; snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); snd_via82xx_channel_reset(chip, viadev); snd_via82xx_set_table_ptr(chip, viadev); outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 0xff000000, /* STOP index is never reached */ VIADEV_REG(viadev, OFFSET_STOP_IDX)); udelay(20); snd_via82xx_codec_ready(chip, 0); return 0; } /* * pcm hardware definition, identical for both playback and capture */ static snd_pcm_hardware_t snd_via82xx_hw = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE), .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_48000, .rate_min = 48000, .rate_max = 48000, .channels_min = 1, .channels_max = 2, .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 */ static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) { snd_pcm_runtime_t *runtime = substream->runtime; int err; unsigned long flags; struct via_rate_lock *ratep; struct ratetbl { int rate; unsigned int bit; } ratebits[] = { {8000, SNDRV_PCM_RATE_8000}, {11025, SNDRV_PCM_RATE_11025}, {16000, SNDRV_PCM_RATE_16000}, {22050, SNDRV_PCM_RATE_22050}, {32000, SNDRV_PCM_RATE_32000}, {44100, SNDRV_PCM_RATE_44100}, {48000, SNDRV_PCM_RATE_48000}, }; int i; runtime->hw = snd_via82xx_hw; /* set the hw rate condition */ ratep = &chip->rates[viadev->direction]; spin_lock_irqsave(&ratep->lock, flags); ratep->used++; if (chip->spdif_on) { runtime->hw.rates = SNDRV_PCM_RATE_32000|SNDRV_PCM_RATE_44100|SNDRV_PCM_RATE_48000; runtime->hw.rate_min = 32000; runtime->hw.rate_max = 48000; } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { /* fixed DXS playback rate */ runtime->hw.rates = SNDRV_PCM_RATE_48000; runtime->hw.rate_min = runtime->hw.rate_max = 48000; } else if (! ratep->rate) { int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; runtime->hw.rates = chip->ac97->rates[idx]; for (i = 0; i < (int)ARRAY_SIZE(ratebits); i++) { if (runtime->hw.rates & ratebits[i].bit) { runtime->hw.rate_min = ratebits[i].rate; break; } } for (i = ARRAY_SIZE(ratebits) - 1; i >= 0; i--) { if (runtime->hw.rates & ratebits[i].bit) { runtime->hw.rate_max = ratebits[i].rate; break; } } } else { /* a fixed rate */ runtime->hw.rates = SNDRV_PCM_RATE_KNOT; for (i = 0; i < (int)ARRAY_SIZE(ratebits); i++) { if (ratep->rate == ratebits[i].rate) { runtime->hw.rates = ratebits[i].bit; break; } } runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; } spin_unlock_irqrestore(&ratep->lock, flags); /* 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 on via686 and via823x DSX */ static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; int err; if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) return err; return 0; } /* * open callback for playback on via823x multi-channel */ static int snd_via8233_multi_open(snd_pcm_substream_t * substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = &chip->devs[chip->multi_devno]; int err; /* channels constraint for VIA8233A * 3 and 5 channels are not supported */ static unsigned int channels[] = { 1, 2, 4, 6 }; static snd_pcm_hw_constraint_list_t hw_constraints_channels = { .count = ARRAY_SIZE(channels), .list = channels, .mask = 0, }; if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) return err; substream->runtime->hw.channels_max = 6; if (chip->revision == VIA_REV_8233A) snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); return 0; } /* * open callback for capture on via686 and via823x */ static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; return snd_via82xx_pcm_open(chip, viadev, substream); } /* * close callback */ static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) { via82xx_t *chip = snd_pcm_substream_chip(substream); viadev_t *viadev = (viadev_t *)substream->runtime->private_data; unsigned long flags; struct via_rate_lock *ratep; /* release the rate lock */ ratep = &chip->rates[viadev->direction]; spin_lock_irqsave(&ratep->lock, flags); ratep->used--; if (! ratep->used) ratep->rate = 0; spin_unlock_irqrestore(&ratep->lock, flags); viadev->substream = NULL; return 0; } /* via686 playback callbacks */ static snd_pcm_ops_t snd_via686_playback_ops = { .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_via686_playback_prepare, .trigger = snd_via82xx_pcm_trigger, .pointer = snd_via686_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; /* via686 capture callbacks */ static snd_pcm_ops_t snd_via686_capture_ops = { .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_via686_capture_prepare, .trigger = snd_via82xx_pcm_trigger, .pointer = snd_via686_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; /* via823x DSX playback callbacks */ static snd_pcm_ops_t snd_via8233_playback_ops = { .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_via8233_playback_prepare, .trigger = snd_via82xx_pcm_trigger, .pointer = snd_via8233_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; /* via823x multi-channel playback callbacks */ static snd_pcm_ops_t snd_via8233_multi_ops = { .open = snd_via8233_multi_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_via8233_multi_prepare, .trigger = snd_via82xx_pcm_trigger, .pointer = snd_via8233_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; /* via823x capture callbacks */ static snd_pcm_ops_t snd_via8233_capture_ops = { .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_via8233_capture_prepare, .trigger = snd_via82xx_pcm_trigger, .pointer = snd_via8233_pcm_pointer, .page = snd_pcm_sgbuf_ops_page, }; static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int direction) { chip->devs[idx].reg_offset = reg_offset; chip->devs[idx].direction = direction; chip->devs[idx].port = chip->port + reg_offset; } /* * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) */ static int __devinit snd_via8233_pcm_new(via82xx_t *chip) { snd_pcm_t *pcm; int i, err; chip->playback_devno = 0; /* x 4 */ chip->multi_devno = 4; /* x 1 */ chip->capture_devno = 5; /* x 2 */ chip->num_devs = 7; chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ /* PCM #0: 4 DSX playbacks and 1 capture */ err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); pcm->private_data = chip; strcpy(pcm->name, chip->card->shortname); /* set up playbacks */ for (i = 0; i < 4; i++) init_viadev(chip, i, 0x10 * i, 0); /* capture */ init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) return err; /* PCM #1: multi-channel playback and 2nd capture */ err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); pcm->private_data = chip; strcpy(pcm->name, chip->card->shortname); /* set up playback */ init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); /* set up capture */ init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 1); if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) return err; return 0; } /* * create pcm instances for VIA8233A */ static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) { snd_pcm_t *pcm; int err; chip->multi_devno = 0; chip->playback_devno = 1; chip->capture_devno = 2; chip->num_devs = 3; chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ /* PCM #0: multi-channel playback and capture */ 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_via8233_multi_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); pcm->private_data = chip; strcpy(pcm->name, chip->card->shortname); /* set up playback */ init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 0); /* capture */ init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 1); if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) return err; /* PCM #1: DXS3 playback (for spdif) */ err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); if (err < 0) return err; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); pcm->private_data = chip; strcpy(pcm->name, chip->card->shortname); /* set up playback */ init_viadev(chip, chip->playback_devno, 0x30, 0); if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) return err; return 0; } /* * create a pcm instance for via686a/b */ static int __devinit snd_via686_pcm_new(via82xx_t *chip) { snd_pcm_t *pcm; int err; chip->playback_devno = 0; chip->capture_devno = 1; chip->num_devs = 2; chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 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); pcm->private_data = chip; strcpy(pcm->name, chip->card->shortname); init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0); init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 1); if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) return err; return 0; } /* * Mixer part */ static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) { static char *texts[2] = { "Line", "Mic" }; uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = 2; if (uinfo->value.enumerated.item >= 2) uinfo->value.enumerated.item = 1; strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); return 0; } static int snd_via8233_capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { via82xx_t *chip = snd_kcontrol_chip(kcontrol); unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; return 0; } static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { via82xx_t *chip = snd_kcontrol_chip(kcontrol); unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); unsigned long flags; u8 val, oval; spin_lock_irqsave(&chip->reg_lock, flags); oval = inb(port); val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; if (ucontrol->value.enumerated.item[0]) val |= VIA_REG_CAPTURE_CHANNEL_MIC; if (val != oval) outb(val, port); spin_unlock_irqrestore(&chip->reg_lock, flags); return val != oval; } static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { .name = "Input Source Select", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .info = snd_via8233_capture_source_info, .get = snd_via8233_capture_source_get, .put = snd_via8233_capture_source_put, }; static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = 1; return 0; } static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { via82xx_t *chip = snd_kcontrol_chip(kcontrol); u8 val; pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; return 0; } static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { via82xx_t *chip = snd_kcontrol_chip(kcontrol); u8 val, oval; pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); val = oval & ~VIA8233_SPDIF_DX3; if (ucontrol->value.integer.value[0]) val |= VIA8233_SPDIF_DX3; /* save the spdif flag for rate filtering */ chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; if (val != oval) { pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); return 1; } return 0; } static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { .name = "IEC958 Output Switch", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .info = snd_via8233_dxs3_spdif_info, .get = snd_via8233_dxs3_spdif_get, .put = snd_via8233_dxs3_spdif_put, }; static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) { uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; return 0; } static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { via82xx_t *chip = snd_kcontrol_chip(kcontrol); unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; return 0; } static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) { via82xx_t *chip = snd_kcontrol_chip(kcontrol); unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); unsigned long port = chip->port + 0x10 * idx; unsigned char val; int i, change = 0; for (i = 0; i < 2; i++) { val = ucontrol->value.integer.value[i]; if (val > VIA_DXS_MAX_VOLUME) val = VIA_DXS_MAX_VOLUME; val = VIA_DXS_MAX_VOLUME - val; change |= val != chip->playback_volume[idx][i]; if (change) { chip->playback_volume[idx][i] = val; outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); } } return change; } static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { .name = "VIA DXS Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .count = 4, .info = snd_via8233_dxs_volume_info, .get = snd_via8233_dxs_volume_get, .put = snd_via8233_dxs_volume_put, }; /* */ static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) { via82xx_t *chip = snd_magic_cast(via82xx_t, bus->private_data, return); chip->ac97_bus = NULL; } static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) { via82xx_t *chip = snd_magic_cast(via82xx_t, ac97->private_data, return); chip->ac97 = NULL; } static struct ac97_quirk ac97_quirks[] = { { /* FIXME: which codec? */ .vendor = 0x1106, .device = 0x4161, .name = "ASRock K7VT2", .type = AC97_TUNE_HP_ONLY }, { .vendor = 0x1849, .device = 0x3059, .name = "ASRock K7VM2", .type = AC97_TUNE_HP_ONLY /* VT1616 */ }, { .vendor = 0x14cd, .device = 0x7002, .name = "Unknown", .type = AC97_TUNE_ALC_JACK }, { .vendor = 0x1071, .device = 0x8590, .name = "Mitac Mobo", .type = AC97_TUNE_ALC_JACK }, { } /* terminator */ }; static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, int ac97_quirk) { ac97_bus_t bus; ac97_t ac97; int err; memset(&bus, 0, sizeof(bus)); bus.write = snd_via82xx_codec_write; bus.read = snd_via82xx_codec_read; bus.wait = snd_via82xx_codec_wait; bus.private_data = chip; bus.private_free = snd_via82xx_mixer_free_ac97_bus; bus.clock = chip->ac97_clock; if ((err = snd_ac97_bus(chip->card, &bus, &chip->ac97_bus)) < 0) return err; memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.private_free = snd_via82xx_mixer_free_ac97; ac97.pci = chip->pci; if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) return err; snd_ac97_tune_hardware(chip->ac97, ac97_quirks, ac97_quirk); if (chip->chip_type != TYPE_VIA686) { /* use slot 10/11 */ snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); } return 0; } /* * */ static int snd_via8233_init_misc(via82xx_t *chip, int dev) { int i, err, caps; unsigned char val; caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; for (i = 0; i < caps; i++) { snd_via8233_capture_source.index = i; err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); if (err < 0) return err; } err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); if (err < 0) return err; if (chip->chip_type != TYPE_VIA8233A) { err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); if (err < 0) return err; } /* select spdif data slot 10/11 */ pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); return 0; } static int snd_via686_init_misc(via82xx_t *chip, int dev) { unsigned char legacy, legacy_cfg; int rev_h = 0; legacy = chip->old_legacy; legacy_cfg = chip->old_legacy_cfg; legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ if (chip->revision >= VIA_REV_686_H) { rev_h = 1; if (mpu_port[dev] >= 0x200) { /* force MIDI */ mpu_port[dev] &= 0xfffc; pci_write_config_dword(chip->pci, 0x18, mpu_port[dev] | 0x01); } else { mpu_port[dev] = pci_resource_start(chip->pci, 2); } } else { switch (mpu_port[dev]) { /* force MIDI */ case 0x300: case 0x310: case 0x320: case 0x330: legacy_cfg &= ~(3 << 2); legacy_cfg |= (mpu_port[dev] & 0x0030) >> 2; break; default: /* no, use BIOS settings */ if (legacy & VIA_FUNC_ENABLE_MIDI) mpu_port[dev] = 0x300 + ((legacy_cfg & 0x000c) << 2); break; } } if (mpu_port[dev] >= 0x200 && (chip->mpu_res = request_region(mpu_port[dev], 2, "VIA82xx MPU401")) != NULL) { if (rev_h) legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ legacy |= VIA_FUNC_ENABLE_MIDI; } else { if (rev_h) legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ legacy &= ~VIA_FUNC_ENABLE_MIDI; mpu_port[dev] = 0; } #ifdef SUPPORT_JOYSTICK #define JOYSTICK_ADDR 0x200 if (joystick[dev] && (chip->res_joystick = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport")) != NULL) { legacy |= VIA_FUNC_ENABLE_GAME; chip->gameport.io = JOYSTICK_ADDR; } #endif pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); if (chip->mpu_res) { if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, mpu_port[dev], 1, chip->irq, 0, &chip->rmidi) < 0) { printk(KERN_WARNING "unable to initialize MPU-401 at 0x%lx, skipping\n", mpu_port[dev]); legacy &= ~VIA_FUNC_ENABLE_MIDI; } else { legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ } pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); } #ifdef SUPPORT_JOYSTICK if (chip->res_joystick) gameport_register_port(&chip->gameport); #endif return 0; } /* * proc interface */ static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) { via82xx_t *chip = snd_magic_cast(via82xx_t, entry->private_data, return); int i; snd_iprintf(buffer, "%s\n\n", chip->card->longname); for (i = 0; i < 0xa0; i += 4) { snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); } } static void __devinit snd_via82xx_proc_init(via82xx_t *chip) { snd_info_entry_t *entry; if (! snd_card_proc_new(chip->card, "via82xx", &entry)) snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); } /* * */ static int __devinit snd_via82xx_chip_init(via82xx_t *chip) { ac97_t ac97; unsigned int val; int max_count; unsigned char pval; memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; #if 0 /* broken on K7M? */ if (chip->chip_type == TYPE_VIA686) /* disable all legacy ports */ pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); #endif 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 */ /* note - FM data out has trouble with non VRA codecs !! */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); udelay(100); } /* Make sure VRA is enabled, in case we didn't do a * complete codec reset, above */ 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 */ /* note - FM data out has trouble with non VRA codecs !! */ pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); udelay(100); } /* wait until codec ready */ max_count = ((3 * HZ) / 4) + 1; do { pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ break; set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(1); } while (--max_count > 0); if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) snd_printk("AC'97 codec is not ready [0x%x]\n", val); /* and then reset codec.. */ snd_via82xx_codec_ready(chip, 0); snd_via82xx_codec_write(&ac97, AC97_RESET, 0x0000); snd_via82xx_codec_read(&ac97, 0); #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 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)); max_count = ((3 * HZ) / 4) + 1; 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; } set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(1); } while (--max_count > 0); /* This is ok, the most of motherboards have only one codec */ __ac97_ok2: #endif if (chip->chip_type == TYPE_VIA686) { /* 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)); } if (chip->chip_type != TYPE_VIA686) { /* Workaround for Award BIOS bug: * DXS channels don't work properly with VRA if MC97 is disabled. */ struct pci_dev *pci; pci = pci_find_device(0x1106, 0x3068, NULL); /* MC97 */ if (pci) { unsigned char data; pci_read_config_byte(pci, 0x44, &data); pci_write_config_byte(pci, 0x44, data | 0x40); } } return 0; } static int snd_via82xx_free(via82xx_t *chip) { 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]); synchronize_irq(chip->irq); __end_hw: if (chip->mpu_res) { release_resource(chip->mpu_res); kfree_nocheck(chip->mpu_res); } if (chip->res_port) { release_resource(chip->res_port); kfree_nocheck(chip->res_port); } if (chip->irq >= 0) free_irq(chip->irq, (void *)chip); if (chip->chip_type == TYPE_VIA686) { #ifdef SUPPORT_JOYSTICK if (chip->res_joystick) { gameport_unregister_port(&chip->gameport); release_resource(chip->res_joystick); kfree_nocheck(chip->res_joystick); } #endif pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); } snd_magic_kfree(chip); return 0; } static int snd_via82xx_dev_free(snd_device_t *device) { via82xx_t *chip = snd_magic_cast(via82xx_t, device->device_data, return -ENXIO); return snd_via82xx_free(chip); } static int __devinit snd_via82xx_create(snd_card_t * card, struct pci_dev *pci, int chip_type, int revision, unsigned int ac97_clock, via82xx_t ** r_via) { via82xx_t *chip; int err; static snd_device_ops_t ops = { .dev_free = snd_via82xx_dev_free, }; if ((err = pci_enable_device(pci)) < 0) return err; if ((chip = snd_magic_kcalloc(via82xx_t, 0, GFP_KERNEL)) == NULL) return -ENOMEM; chip->chip_type = chip_type; chip->revision = revision; spin_lock_init(&chip->reg_lock); spin_lock_init(&chip->ac97_lock); spin_lock_init(&chip->rates[0].lock); spin_lock_init(&chip->rates[1].lock); chip->card = card; chip->pci = pci; chip->irq = -1; memset(&chip->dma_dev, 0, sizeof(chip->dma_dev)); chip->dma_dev.type = SNDRV_DMA_TYPE_DEV; chip->dma_dev.dev = snd_dma_pci_data(pci); pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); chip->port = pci_resource_start(pci, 0); if ((chip->res_port = request_region(chip->port, 256, card->driver)) == NULL) { snd_printk("unable to grab ports 0x%lx-0x%lx\n", chip->port, chip->port + 256 - 1); snd_via82xx_free(chip); return -EBUSY; } if (request_irq(pci->irq, snd_via82xx_interrupt, SA_INTERRUPT|SA_SHIRQ, card->driver, (void *)chip)) { snd_printk("unable to grab IRQ %d\n", pci->irq); 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; } struct via823x_info { int revision; char *name; int type; }; static struct via823x_info via823x_cards[] __devinitdata = { { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, }; /* * auto detection of DXS channel supports. */ struct dxs_whitelist { unsigned short vendor; unsigned short device; unsigned short mask; short action; /* new dxs_support value */ }; static int __devinit check_dxs_list(struct pci_dev *pci) { static struct dxs_whitelist whitelist[] = { { .vendor = 0x1005, .device = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ { .vendor = 0x1019, .device = 0x0996, .action = VIA_DXS_48K }, { .vendor = 0x1043, .device = 0x8095, .action = VIA_DXS_ENABLE }, /* ASUS A7V8X */ { .vendor = 0x1043, .device = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ { .vendor = 0x1043, .device = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ { .vendor = 0x10cf, .device = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ { .vendor = 0x1106, .device = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ { .vendor = 0x1106, .device = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ { .vendor = 0x1297, .device = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ { .vendor = 0x1297, .device = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ { .vendor = 0x1458, .device = 0xa002, .action = VIA_DXS_NO_VRA }, /* Gigabyte GA-7VAXP (FIXME: or DXS_ENABLE?) */ { .vendor = 0x147b, .device = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ { .vendor = 0x14ff, .device = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ { .vendor = 0x1462, .device = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ { .vendor = 0x1462, .device = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ { .vendor = 0x1462, .device = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ { .vendor = 0x1584, .device = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ { .vendor = 0x1631, .device = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ { .vendor = 0x1695, .device = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ { .vendor = 0x1849, .device = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ { } /* terminator */ }; struct dxs_whitelist *w; unsigned short subsystem_vendor; unsigned short subsystem_device; pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); for (w = whitelist; w->vendor; w++) { if (w->vendor != subsystem_vendor) continue; if (w->mask) { if ((w->mask & subsystem_device) == w->device) return w->action; } else { if (subsystem_device == w->device) return w->action; } } /* * not detected, try 48k rate only to be sure. */ printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); printk(KERN_INFO " Please try dxs_support=1 or dxs_support=4 option\n"); printk(KERN_INFO " and report if it works on your machine.\n"); return VIA_DXS_48K; }; static int __devinit snd_via82xx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { static int dev; snd_card_t *card; via82xx_t *chip; unsigned char revision; int chip_type = 0, card_type; unsigned int i; int err; if (dev >= SNDRV_CARDS) return -ENODEV; if (!enable[dev]) { dev++; return -ENOENT; } card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); if (card == NULL) return -ENOMEM; card_type = pci_id->driver_data; pci_read_config_byte(pci, PCI_REVISION_ID, &revision); switch (card_type) { case TYPE_CARD_VIA686: strcpy(card->driver, "VIA686A"); sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); chip_type = TYPE_VIA686; break; case TYPE_CARD_VIA8233: chip_type = TYPE_VIA8233; sprintf(card->shortname, "VIA 823x rev%x", revision); for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { if (revision == via823x_cards[i].revision) { chip_type = via823x_cards[i].type; strcpy(card->shortname, via823x_cards[i].name); break; } } if (chip_type != TYPE_VIA8233A) { if (dxs_support[dev] == VIA_DXS_AUTO) dxs_support[dev] = check_dxs_list(pci); /* force to use VIA8233 or 8233A model according to * dxs_support module option */ if (dxs_support[dev] == VIA_DXS_DISABLE) chip_type = TYPE_VIA8233A; else chip_type = TYPE_VIA8233; } if (chip_type == TYPE_VIA8233A) strcpy(card->driver, "VIA8233A"); else strcpy(card->driver, "VIA8233"); break; default: snd_printk(KERN_ERR "invalid card type %d\n", card_type); err = -EINVAL; goto __error; } if ((err = snd_via82xx_create(card, pci, chip_type, revision, ac97_clock[dev], &chip)) < 0) goto __error; if ((err = snd_via82xx_mixer_new(chip, ac97_quirk[dev])) < 0) goto __error; if (chip_type == TYPE_VIA686) { if ((err = snd_via686_pcm_new(chip)) < 0 || (err = snd_via686_init_misc(chip, dev)) < 0) goto __error; } else { if (chip_type == TYPE_VIA8233A) { if ((err = snd_via8233a_pcm_new(chip)) < 0) goto __error; // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ } else { if ((err = snd_via8233_pcm_new(chip)) < 0) goto __error; if (dxs_support[dev] == VIA_DXS_48K) chip->dxs_fixed = 1; else if (dxs_support[dev] == VIA_DXS_NO_VRA) chip->no_vra = 1; } if ((err = snd_via8233_init_misc(chip, dev)) < 0) goto __error; } /* 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); dev++; 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 = { .name = "VIA 82xx Audio", .id_table = snd_via82xx_ids, .probe = snd_via82xx_probe, .remove = __devexit_p(snd_via82xx_remove), }; static int __init alsa_card_via82xx_init(void) { int err; if ((err = pci_module_init(&driver)) < 0) { #ifdef MODULE printk(KERN_ERR "VIA 82xx soundcard not found or device busy\n"); #endif return err; } return 0; } static void __exit alsa_card_via82xx_exit(void) { pci_unregister_driver(&driver); } module_init(alsa_card_via82xx_init) module_exit(alsa_card_via82xx_exit) #ifndef MODULE /* format is: snd-via82xx=enable,index,id, mpu_port,joystick, ac97_quirk,ac97_clock,dxs_support */ static int __init alsa_card_via82xx_setup(char *str) { static unsigned __initdata nr_dev = 0; if (nr_dev >= SNDRV_CARDS) return 0; (void)(get_option(&str,&enable[nr_dev]) == 2 && get_option(&str,&index[nr_dev]) == 2 && get_id(&str,&id[nr_dev]) == 2 && get_option_long(&str,&mpu_port[nr_dev]) == 2 && #ifdef SUPPORT_JOYSTICK get_option(&str,&joystick[nr_dev]) == 2 && #endif get_option(&str,&ac97_quirk[nr_dev]) == 2 && get_option(&str,&ac97_clock[nr_dev]) == 2 && get_option(&str,&dxs_support[nr_dev]) == 2); nr_dev++; return 1; } __setup("snd-via82xx=", alsa_card_via82xx_setup); #endif /* ifndef MODULE */