Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
new file mode 100644
index 0000000..f1ce808
--- /dev/null
+++ b/sound/pci/via82xx.c
@@ -0,0 +1,2346 @@
+/*
+ * ALSA driver for VIA VT82xx (South Bridge)
+ *
+ * VT82C686A/B/C, VT8233A/C, VT8235
+ *
+ * Copyright (c) 2000 Jaroslav Kysela <perex@suse.cz>
+ * 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:
+ *
+ * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de>
+ * - 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 <sound/driver.h>
+#include <asm/io.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/gameport.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/info.h>
+#include <sound/ac97_codec.h>
+#include <sound/mpu401.h>
+#include <sound/initval.h>
+
+#if 0
+#define POINTER_DEBUG
+#endif
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_DESCRIPTION("VIA VT82xx audio");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{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 char *ac97_quirk[SNDRV_CARDS];
+static int dxs_support[SNDRV_CARDS];
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable audio part of VIA 82xx bridge.");
+module_param_array(mpu_port, long, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)");
+#ifdef SUPPORT_JOYSTICK
+module_param_array(joystick, bool, NULL, 0444);
+MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)");
+#endif
+module_param_array(ac97_clock, int, NULL, 0444);
+MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz).");
+module_param_array(ac97_quirk, charp, NULL, 0444);
+MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
+module_param_array(dxs_support, int, NULL, 0444);
+MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA)");
+
+
+/* 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 */
+#define VIA_REV_8237 0x60
+
+/*
+ * 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;
+
+/*
+ * 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 fragsize;
+ 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 *mpu_res;
+ int chip_type;
+ unsigned char revision;
+
+ unsigned char old_legacy;
+ unsigned char old_legacy_cfg;
+#ifdef CONFIG_PM
+ unsigned char legacy_saved;
+ unsigned char legacy_cfg_saved;
+ unsigned char spdif_ctrl_saved;
+ unsigned char capture_src_saved[2];
+ unsigned int mpu_port_saved;
+#endif
+
+ unsigned char playback_volume[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_pcm_t *pcms[2];
+ 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;
+ snd_info_entry_t *proc_entry;
+
+#ifdef SUPPORT_JOYSTICK
+ struct gameport *gameport;
+#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(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;
+
+ 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;
+ dev->fragsize = fragsize;
+ return 0;
+}
+
+
+static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream,
+ struct pci_dev *pci)
+{
+ if (dev->table.area) {
+ snd_dma_free_pages(&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 = ac97->private_data;
+ 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 = ac97->private_data;
+ 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;
+ snd_via82xx_codec_xwrite(chip, xval);
+ snd_via82xx_codec_ready(chip, ac97->num);
+}
+
+static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg)
+{
+ via82xx_t *chip = ac97->private_data;
+ 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) {
+ 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;
+ }
+ }
+ 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 = dev_id;
+ unsigned int status;
+ unsigned int i;
+
+ status = inl(VIAREG(chip, SGD_SHADOW));
+ if (! (status & chip->intr_mask)) {
+ if (chip->rmidi)
+ /* check mpu401 interrupt */
+ return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs);
+ return IRQ_NONE;
+ }
+
+ /* check status for each stream */
+ spin_lock(&chip->reg_lock);
+ 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
+ */
+
+#define check_invalid_pos(viadev,pos) \
+ ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2))
+
+static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, unsigned int count)
+{
+ unsigned int size, base, res;
+
+ size = viadev->idx_table[idx].size;
+ base = viadev->idx_table[idx].offset;
+ res = base + size - count;
+
+ /* check the validity of the calculated position */
+ if (size < count) {
+ snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", (int)size, (int)count);
+ res = viadev->lastpos;
+ } else {
+ if (! count) {
+ /* Some mobos report count = 0 on the DMA boundary,
+ * i.e. count = size indeed.
+ * Let's check whether this step is above the expected size.
+ */
+ int delta = res - viadev->lastpos;
+ if (delta < 0)
+ delta += viadev->bufsize;
+ if ((unsigned int)delta > viadev->fragsize)
+ res = base;
+ }
+ if (check_invalid_pos(viadev, res)) {
+#ifdef POINTER_DEBUG
+ printk(KERN_DEBUG "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 */
+ res = base + size;
+ if (check_invalid_pos(viadev, res)) {
+ 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;
+ int timeout = 5000;
+
+ 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);
+ do {
+ count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT));
+ /* some mobos read 0 count */
+ if ((count & 0xffffff) || ! viadev->running)
+ break;
+ } while (--timeout);
+ if (! timeout)
+ snd_printd(KERN_ERR "zero position is read\n");
+ 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_irq(&rec->lock);
+ if (rec->rate != rate) {
+ if (rec->rate && rec->used > 1) /* already set */
+ changed = -EINVAL;
+ else {
+ rec->rate = rate;
+ changed = 1;
+ }
+ }
+ spin_unlock_irq(&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[0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L));
+ outb(chip->playback_volume[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_RESUME |
+ 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;
+ struct via_rate_lock *ratep;
+
+ runtime->hw = snd_via82xx_hw;
+
+ /* set the hw rate condition */
+ ratep = &chip->rates[viadev->direction];
+ spin_lock_irq(&ratep->lock);
+ ratep->used++;
+ if (chip->spdif_on && viadev->reg_offset == 0x30) {
+ /* DXS#3 and spdif is on */
+ runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF];
+ snd_pcm_limit_hw_rates(runtime);
+ } 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];
+ snd_pcm_limit_hw_rates(runtime);
+ } else {
+ /* a fixed rate */
+ runtime->hw.rates = SNDRV_PCM_RATE_KNOT;
+ runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate;
+ }
+ spin_unlock_irq(&ratep->lock);
+
+ /* 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;
+ struct via_rate_lock *ratep;
+
+ /* release the rate lock */
+ ratep = &chip->rates[viadev->direction];
+ spin_lock_irq(&ratep->lock);
+ ratep->used--;
+ if (! ratep->used)
+ ratep->rate = 0;
+ spin_unlock_irq(&ratep->lock);
+
+ 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);
+ chip->pcms[0] = pcm;
+ /* 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);
+ chip->pcms[1] = pcm;
+ /* 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);
+ chip->pcms[0] = pcm;
+ /* 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;
+
+ /* SPDIF supported? */
+ if (! ac97_can_spdif(chip->ac97))
+ return 0;
+
+ /* 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);
+ chip->pcms[1] = pcm;
+ /* 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);
+ chip->pcms[0] = pcm;
+ 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)
+{
+ /* formerly they were "Line" and "Mic", but it looks like that they
+ * have nothing to do with the actual physical connections...
+ */
+ static char *texts[2] = {
+ "Input1", "Input2"
+ };
+ 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);
+ u8 val, oval;
+
+ spin_lock_irq(&chip->reg_lock);
+ 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_irq(&chip->reg_lock);
+ 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);
+ ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[0];
+ ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[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;
+ 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;
+ if (val != chip->playback_volume[i]) {
+ change = 1;
+ chip->playback_volume[i] = val;
+ for (idx = 0; idx < 4; idx++) {
+ unsigned long port = chip->port + 0x10 * idx;
+ outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i);
+ }
+ }
+ }
+ return change;
+}
+
+static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = {
+ .name = "PCM Playback Volume",
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .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 = bus->private_data;
+ chip->ac97_bus = NULL;
+}
+
+static void snd_via82xx_mixer_free_ac97(ac97_t *ac97)
+{
+ via82xx_t *chip = ac97->private_data;
+ chip->ac97 = NULL;
+}
+
+static struct ac97_quirk ac97_quirks[] = {
+ {
+ .vendor = 0x1106,
+ .device = 0x4161,
+ .codec_id = 0x56494161, /* VT1612A */
+ .name = "Soltek SL-75DRV5",
+ .type = AC97_TUNE_NONE
+ },
+ { /* FIXME: which codec? */
+ .vendor = 0x1106,
+ .device = 0x4161,
+ .name = "ASRock K7VT2",
+ .type = AC97_TUNE_HP_ONLY
+ },
+ {
+ .vendor = 0x1019,
+ .device = 0x0a81,
+ .name = "ECS K7VTA3",
+ .type = AC97_TUNE_HP_ONLY
+ },
+ {
+ .vendor = 0x1019,
+ .device = 0x0a85,
+ .name = "ECS L7VMM2",
+ .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
+ },
+ {
+ .vendor = 0x161f,
+ .device = 0x202b,
+ .name = "Arima Notebook",
+ .type = AC97_TUNE_HP_ONLY,
+ },
+ { } /* terminator */
+};
+
+static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override)
+{
+ ac97_template_t ac97;
+ int err;
+ static ac97_bus_ops_t ops = {
+ .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;
+ chip->ac97_bus->shared_type = AC97_SHARED_TYPE_VIA;
+
+ 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, quirk_override);
+
+ 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;
+}
+
+#ifdef SUPPORT_JOYSTICK
+#define JOYSTICK_ADDR 0x200
+static int __devinit snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy)
+{
+ struct gameport *gp;
+ struct resource *r;
+
+ if (!joystick[dev])
+ return -ENODEV;
+
+ r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport");
+ if (!r) {
+ printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR);
+ return -EBUSY;
+ }
+
+ chip->gameport = gp = gameport_allocate_port();
+ if (!gp) {
+ printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n");
+ release_resource(r);
+ kfree_nocheck(r);
+ return -ENOMEM;
+ }
+
+ gameport_set_name(gp, "VIA686 Gameport");
+ gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
+ gameport_set_dev_parent(gp, &chip->pci->dev);
+ gp->io = JOYSTICK_ADDR;
+ gameport_set_port_data(gp, r);
+
+ /* Enable legacy joystick port */
+ *legacy |= VIA_FUNC_ENABLE_GAME;
+ pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy);
+
+ gameport_register_port(chip->gameport);
+
+ return 0;
+}
+
+static void snd_via686_free_gameport(via82xx_t *chip)
+{
+ if (chip->gameport) {
+ struct resource *r = gameport_get_port_data(chip->gameport);
+
+ gameport_unregister_port(chip->gameport);
+ chip->gameport = NULL;
+ release_resource(r);
+ kfree_nocheck(r);
+ }
+}
+#else
+static inline int snd_via686_create_gameport(via82xx_t *chip, int dev, unsigned char *legacy)
+{
+ return -ENOSYS;
+}
+static inline void snd_via686_free_gameport(via82xx_t *chip) { }
+#endif
+
+
+/*
+ *
+ */
+
+static int __devinit 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;
+ }
+ if (ac97_can_spdif(chip->ac97)) {
+ 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) {
+ /* when no h/w PCM volume control is found, use DXS volume control
+ * as the PCM vol control
+ */
+ snd_ctl_elem_id_t sid;
+ memset(&sid, 0, sizeof(sid));
+ strcpy(sid.name, "PCM Playback Volume");
+ sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
+ if (! snd_ctl_find_id(chip->card, &sid)) {
+ 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;
+ val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */
+ pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val);
+
+ return 0;
+}
+
+static int __devinit 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);
+#ifdef CONFIG_PM
+ chip->mpu_port_saved = mpu_port[dev];
+#endif
+ } 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;
+ }
+
+ 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);
+ }
+
+ snd_via686_create_gameport(chip, dev, &legacy);
+
+#ifdef CONFIG_PM
+ chip->legacy_saved = legacy;
+ chip->legacy_cfg_saved = legacy_cfg;
+#endif
+
+ return 0;
+}
+
+
+/*
+ * proc interface
+ */
+static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+{
+ via82xx_t *chip = entry->private_data;
+ 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)
+{
+ unsigned int val;
+ int max_count;
+ unsigned char pval;
+
+#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);
+
+#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);
+ }
+ }
+
+ if (chip->chip_type != TYPE_VIA8233A) {
+ int i, idx;
+ for (idx = 0; idx < 4; idx++) {
+ unsigned long port = chip->port + 0x10 * idx;
+ for (i = 0; i < 2; i++)
+ outb(chip->playback_volume[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i);
+ }
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+/*
+ * power management
+ */
+static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state)
+{
+ via82xx_t *chip = card->pm_private_data;
+ int i;
+
+ for (i = 0; i < 2; i++)
+ if (chip->pcms[i])
+ snd_pcm_suspend_all(chip->pcms[i]);
+ 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);
+
+ /* save misc values */
+ if (chip->chip_type != TYPE_VIA686) {
+ pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved);
+ chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL);
+ chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10);
+ }
+
+ pci_set_power_state(chip->pci, 3);
+ pci_disable_device(chip->pci);
+ return 0;
+}
+
+static int snd_via82xx_resume(snd_card_t *card)
+{
+ via82xx_t *chip = card->pm_private_data;
+ int i;
+
+ pci_enable_device(chip->pci);
+ pci_set_power_state(chip->pci, 0);
+
+ snd_via82xx_chip_init(chip);
+
+ if (chip->chip_type == TYPE_VIA686) {
+ if (chip->mpu_port_saved)
+ pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01);
+ pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved);
+ pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved);
+ } else {
+ pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved);
+ outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL);
+ outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10);
+ }
+
+ snd_ac97_resume(chip->ac97);
+
+ for (i = 0; i < chip->num_devs; i++)
+ snd_via82xx_channel_reset(chip, &chip->devs[i]);
+
+ return 0;
+}
+#endif /* CONFIG_PM */
+
+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->irq >= 0)
+ free_irq(chip->irq, (void *)chip);
+ if (chip->mpu_res) {
+ release_resource(chip->mpu_res);
+ kfree_nocheck(chip->mpu_res);
+ }
+ pci_release_regions(chip->pci);
+
+ if (chip->chip_type == TYPE_VIA686) {
+ snd_via686_free_gameport(chip);
+ 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);
+ }
+ pci_disable_device(chip->pci);
+ kfree(chip);
+ return 0;
+}
+
+static int snd_via82xx_dev_free(snd_device_t *device)
+{
+ via82xx_t *chip = device->device_data;
+ 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 = kcalloc(1, sizeof(*chip), GFP_KERNEL)) == NULL) {
+ pci_disable_device(pci);
+ return -ENOMEM;
+ }
+
+ chip->chip_type = chip_type;
+ chip->revision = revision;
+
+ spin_lock_init(&chip->reg_lock);
+ spin_lock_init(&chip->rates[0].lock);
+ spin_lock_init(&chip->rates[1].lock);
+ chip->card = card;
+ chip->pci = pci;
+ chip->irq = -1;
+
+ pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy);
+ pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg);
+ pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE,
+ chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM));
+
+ if ((err = pci_request_regions(pci, card->driver)) < 0) {
+ kfree(chip);
+ pci_disable_device(pci);
+ return err;
+ }
+ chip->port = pci_resource_start(pci, 0);
+ 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 },
+ { VIA_REV_8237, "VIA 8237", 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 = 0x1019, .device = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */
+ { .vendor = 0x1019, .device = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */
+ { .vendor = 0x1025, .device = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */
+ { .vendor = 0x1043, .device = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/
+ { .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 = 0x1071, .device = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */
+ { .vendor = 0x10cf, .device = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */
+ { .vendor = 0x1106, .device = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */
+ { .vendor = 0x1106, .device = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */
+ { .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_ENABLE }, /* Gigabyte GA-7VAXP */
+ { .vendor = 0x1462, .device = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */
+ { .vendor = 0x1462, .device = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */
+ { .vendor = 0x1462, .device = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */
+ { .vendor = 0x1462, .device = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */
+ { .vendor = 0x147b, .device = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */
+ { .vendor = 0x147b, .device = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */
+ { .vendor = 0x147b, .device = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */
+ { .vendor = 0x147b, .device = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */
+ { .vendor = 0x14ff, .device = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */
+ { .vendor = 0x1584, .device = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */
+ { .vendor = 0x1584, .device = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */
+ { .vendor = 0x161f, .device = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */
+ { .vendor = 0x161f, .device = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */
+ { .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 if (revision >= VIA_REV_8237)
+ strcpy(card->driver, "VIA8237"); /* no slog assignment */
+ 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;
+ }
+
+ snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip);
+
+ /* disable interrupts */
+ for (i = 0; i < chip->num_devs; i++)
+ snd_via82xx_channel_reset(chip, &chip->devs[i]);
+
+ snprintf(card->longname, sizeof(card->longname),
+ "%s with %s at %#lx, irq %d", card->shortname,
+ snd_ac97_get_short_name(chip->ac97), 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),
+ SND_PCI_PM_CALLBACKS
+};
+
+static int __init alsa_card_via82xx_init(void)
+{
+ return pci_module_init(&driver);
+}
+
+static void __exit alsa_card_via82xx_exit(void)
+{
+ pci_unregister_driver(&driver);
+}
+
+module_init(alsa_card_via82xx_init)
+module_exit(alsa_card_via82xx_exit)