| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jaroslav Kysela | 9142 | 72.36% | 107 | 42.13% |
| Takashi Iwai | 1513 | 11.98% | 64 | 25.20% |
| Clemens Ladisch | 425 | 3.36% | 9 | 3.54% |
| Karsten Wiese | 418 | 3.31% | 1 | 0.39% |
| Linus Torvalds (pre-git) | 351 | 2.78% | 37 | 14.57% |
| Honza Maly | 329 | 2.60% | 1 | 0.39% |
| Dmitry Torokhov | 175 | 1.39% | 1 | 0.39% |
| Sergey Vlasov | 89 | 0.70% | 1 | 0.39% |
| Bastiaan Jacques | 35 | 0.28% | 2 | 0.79% |
| Walter Sheets | 22 | 0.17% | 1 | 0.39% |
| Nishanth Aravamudan | 17 | 0.13% | 1 | 0.39% |
| Simon Arlott | 17 | 0.13% | 1 | 0.39% |
| Daniel T Chen | 12 | 0.09% | 1 | 0.39% |
| Auke-Jan H Kok | 12 | 0.09% | 1 | 0.39% |
| Joe Perches | 11 | 0.09% | 2 | 0.79% |
| Linus Torvalds | 10 | 0.08% | 4 | 1.57% |
| Andrew Morton | 9 | 0.07% | 1 | 0.39% |
| Jiri Slaby | 6 | 0.05% | 1 | 0.39% |
| Benoit Taine | 6 | 0.05% | 1 | 0.39% |
| Julia Lawall | 5 | 0.04% | 1 | 0.39% |
| Randy Dunlap | 5 | 0.04% | 1 | 0.39% |
| Bhumika Goyal | 4 | 0.03% | 2 | 0.79% |
| Russell King | 3 | 0.02% | 1 | 0.39% |
| Thomas Gleixner | 3 | 0.02% | 2 | 0.79% |
| Kees Cook | 3 | 0.02% | 1 | 0.39% |
| David Howells | 3 | 0.02% | 1 | 0.39% |
| Rusty Russell | 2 | 0.02% | 1 | 0.39% |
| Sasha Khapyorsky | 1 | 0.01% | 1 | 0.39% |
| Fabian Frederick | 1 | 0.01% | 1 | 0.39% |
| Andreas Mohr | 1 | 0.01% | 1 | 0.39% |
| Steven Cole | 1 | 0.01% | 1 | 0.39% |
| Pierre-Louis Bossart | 1 | 0.01% | 1 | 0.39% |
| Paul Gortmaker | 1 | 0.01% | 1 | 0.39% |
| René Herman | 1 | 0.01% | 1 | 0.39% |
| Total | 12634 | 254 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * ALSA driver for VIA VT82xx (South Bridge) * * VT82C686A/B/C, VT8233A/C, VT8235 * * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> * 2002 Takashi Iwai <tiwai@suse.de> */ /* * 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. * * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> * - Optimize position calculation for the 823x chips. */ #include <linux/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/module.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/info.h> #include <sound/tlv.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@perex.cz>"); MODULE_DESCRIPTION("VIA VT82xx audio"); MODULE_LICENSE("GPL"); #if IS_REACHABLE(CONFIG_GAMEPORT) #define SUPPORT_JOYSTICK 1 #endif static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ static long mpu_port; #ifdef SUPPORT_JOYSTICK static bool joystick; #endif static int ac97_clock = 48000; static char *ac97_quirk; static int dxs_support; static int dxs_init_volume = 31; static int nodelay; module_param(index, int, 0444); MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); module_param(id, charp, 0444); MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); module_param_hw(mpu_port, long, ioport, 0444); MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); #ifdef SUPPORT_JOYSTICK module_param(joystick, bool, 0444); MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); #endif module_param(ac97_clock, int, 0444); MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); module_param(ac97_quirk, charp, 0444); MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); module_param(dxs_support, int, 0444); MODULE_PARM_DESC(dxs_support, "Support for DXS channels (0 = auto, 1 = enable, 2 = disable, 3 = 48k only, 4 = no VRA, 5 = enable any sample rate)"); module_param(dxs_init_volume, int, 0644); MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); module_param(nodelay, int, 0444); MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); /* just for backward compatibility */ static bool enable; module_param(enable, bool, 0444); /* 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 #define VIA_REV_8251 0x70 /* * 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 VIA8233_SHADOW_STAT_ACTIVE 0x08 /* 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 #define VIA_DXS_SRC 5 /* * pcm stream */ struct snd_via_sg_table { unsigned int offset; unsigned int size; } ; #define VIA_TABLE_SIZE 255 #define VIA_MAX_BUFSIZE (1<<24) struct viadev { unsigned int reg_offset; unsigned long port; int direction; /* playback = 0, capture = 1 */ struct snd_pcm_substream *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; int hwptr_done; /* processed frame position in the buffer */ int in_interrupt; int shadow_shift; }; 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 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; 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; unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ struct pci_dev *pci; struct snd_card *card; unsigned int num_devs; unsigned int playback_devno, multi_devno, capture_devno; struct viadev 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 dxs_src: 1; /* use full SRC capabilities of DXS */ unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ struct snd_pcm *pcms[2]; struct snd_rawmidi *rmidi; struct snd_kcontrol *dxs_controls[4]; struct snd_ac97_bus *ac97_bus; struct snd_ac97 *ac97; unsigned int ac97_clock; unsigned int ac97_secondary; /* secondary AC'97 codec is present */ spinlock_t reg_lock; struct snd_info_entry *proc_entry; #ifdef SUPPORT_JOYSTICK struct gameport *gameport; #endif }; static const struct pci_device_id snd_via82xx_ids[] = { /* 0x1106, 0x3058 */ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ /* 0x1106, 0x3059 */ { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), 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(struct viadev *dev, struct snd_pcm_substream *substream, struct pci_dev *pci, unsigned int periods, unsigned int fragsize) { unsigned int i, idx, ofs, rest; struct via82xx *chip = snd_pcm_substream_chip(substream); __le32 *pgtbl; 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, &chip->pci->dev, PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), &dev->table) < 0) return -ENOMEM; } if (! dev->idx_table) { dev->idx_table = kmalloc_array(VIA_TABLE_SIZE, sizeof(*dev->idx_table), GFP_KERNEL); if (! dev->idx_table) return -ENOMEM; } /* fill the entries */ idx = 0; ofs = 0; pgtbl = (__le32 *)dev->table.area; 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; unsigned int addr; if (idx >= VIA_TABLE_SIZE) { dev_err(&pci->dev, "too much table size!\n"); return -EINVAL; } addr = snd_pcm_sgbuf_get_addr(substream, ofs); pgtbl[idx << 1] = cpu_to_le32(addr); r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, 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 */ /* dev_dbg(&pci->dev, "tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); */ pgtbl[(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(struct viadev *dev, struct snd_pcm_substream *substream, struct pci_dev *pci) { if (dev->table.area) { snd_dma_free_pages(&dev->table); dev->table.area = NULL; } kfree(dev->idx_table); dev->idx_table = NULL; return 0; } /* * Basic I/O */ static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) { return inl(VIAREG(chip, AC97)); } static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) { outl(val, VIAREG(chip, AC97)); } static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) { unsigned int timeout = 1000; /* 1ms */ unsigned int val; while (timeout-- > 0) { udelay(1); val = snd_via82xx_codec_xread(chip); if (!(val & VIA_REG_AC97_BUSY)) return val & 0xffff; } dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_via82xx_codec_xread(chip)); return -EIO; } static int snd_via82xx_codec_valid(struct via82xx *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(struct snd_ac97 *ac97) { struct via82xx *chip = ac97->private_data; __always_unused int err; err = snd_via82xx_codec_ready(chip, ac97->num); /* here we need to wait fairly for long time.. */ if (!nodelay) msleep(500); } static void snd_via82xx_codec_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val) { struct via82xx *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(struct snd_ac97 *ac97, unsigned short reg) { struct via82xx *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) { dev_err(chip->card->dev, "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(struct via82xx *chip, struct viadev *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; viadev->hwptr_done = 0; } /* * Interrupt handler * Used for 686 and 8233A */ static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) { struct via82xx *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); return IRQ_NONE; } /* check status for each stream */ spin_lock(&chip->reg_lock); for (i = 0; i < chip->num_devs; i++) { struct viadev *viadev = &chip->devs[i]; unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) continue; if (viadev->substream && viadev->running) { /* * Update hwptr_done based on 'period elapsed' * interrupts. We'll use it, when the chip returns 0 * for OFFSET_CURR_COUNT. */ if (c_status & VIA_REG_STAT_EOL) viadev->hwptr_done = 0; else viadev->hwptr_done += viadev->fragsize; viadev->in_interrupt = c_status; spin_unlock(&chip->reg_lock); snd_pcm_period_elapsed(viadev->substream); spin_lock(&chip->reg_lock); viadev->in_interrupt = 0; } outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ } spin_unlock(&chip->reg_lock); return IRQ_HANDLED; } /* * Interrupt handler */ static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) { struct via82xx *chip = dev_id; unsigned int status; unsigned int i; int irqreturn = 0; /* check status for each stream */ spin_lock(&chip->reg_lock); status = inl(VIAREG(chip, SGD_SHADOW)); for (i = 0; i < chip->num_devs; i++) { struct viadev *viadev = &chip->devs[i]; struct snd_pcm_substream *substream; unsigned char c_status, shadow_status; shadow_status = (status >> viadev->shadow_shift) & (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| VIA_REG_STAT_FLAG); c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); if (!c_status) continue; substream = viadev->substream; if (substream && viadev->running) { /* * Update hwptr_done based on 'period elapsed' * interrupts. We'll use it, when the chip returns 0 * for OFFSET_CURR_COUNT. */ if (c_status & VIA_REG_STAT_EOL) viadev->hwptr_done = 0; else viadev->hwptr_done += viadev->fragsize; viadev->in_interrupt = c_status; if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; spin_unlock(&chip->reg_lock); snd_pcm_period_elapsed(substream); spin_lock(&chip->reg_lock); viadev->in_interrupt = 0; } outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ irqreturn = 1; } spin_unlock(&chip->reg_lock); return IRQ_RETVAL(irqreturn); } /* * PCM callbacks */ /* * trigger callback */ static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = 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: case SNDRV_PCM_TRIGGER_RESUME: val |= VIA_REG_CTRL_START; viadev->running = 1; break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: 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(struct via82xx *chip, struct viadev *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; if (res >= viadev->bufsize) res -= viadev->bufsize; /* check the validity of the calculated position */ if (size < count) { dev_dbg(chip->card->dev, "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 dev_dbg(chip->card->dev, "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)) { dev_dbg(chip->card->dev, "invalid via82xx_cur_ptr (2), using last valid pointer\n"); res = viadev->lastpos; } } } return res; } /* * get the current pointer on via686 */ static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; unsigned int idx, ptr, count, res; if (snd_BUG_ON(!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(chip, viadev, idx, count); viadev->lastpos = res; /* remember the last position */ 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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; unsigned int idx, count, res; int status; if (snd_BUG_ON(!viadev->tbl_entries)) return 0; spin_lock(&chip->reg_lock); count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); status = viadev->in_interrupt; if (!status) status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); /* An apparent bug in the 8251 is worked around by sending a * REG_CTRL_START. */ if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); if (!(status & VIA_REG_STAT_ACTIVE)) { res = 0; goto unlock; } if (count & 0xffffff) { idx = count >> 24; if (idx >= viadev->tbl_entries) { #ifdef POINTER_DEBUG dev_dbg(chip->card->dev, "fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); #endif res = viadev->lastpos; } else { count &= 0xffffff; res = calc_linear_pos(chip, viadev, idx, count); } } else { res = viadev->hwptr_done; if (!viadev->in_interrupt) { if (status & VIA_REG_STAT_EOL) { res = 0; } else if (status & VIA_REG_STAT_FLAG) { res += viadev->fragsize; } } } unlock: viadev->lastpos = res; 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(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; return build_via_table(viadev, substream, chip->pci, params_periods(hw_params), params_period_bytes(hw_params)); } /* * hw_free callback: * clean up the buffer description table and release the buffer */ static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; clean_via_table(viadev, substream, chip->pci); return 0; } /* * set up the table pointer */ static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *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(struct via82xx *chip, struct viadev *viadev, struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; struct snd_pcm_runtime *runtime = substream->runtime; int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; int rate_changed; u32 rbits; rate_changed = via_lock_rate(&chip->rates[0], ac97_rate); if (rate_changed < 0) return rate_changed; if (rate_changed) snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, chip->no_vra ? 48000 : runtime->rate); if (chip->spdif_on && viadev->reg_offset == 0x30) 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_BUG_ON(rbits & ~0xfffff); 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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; struct snd_pcm_runtime *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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; struct snd_pcm_runtime *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 const struct snd_pcm_hardware 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 = VIA_MAX_BUFSIZE, .period_bytes_min = 32, .period_bytes_max = VIA_MAX_BUFSIZE / 2, .periods_min = 2, .periods_max = VIA_TABLE_SIZE / 2, .fifo_size = 0, }; /* * open callback skeleton */ static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; int err; struct via_rate_lock *ratep; bool use_src = false; 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 (chip->dxs_src && viadev->reg_offset < 0x40) { /* use full SRC capabilities of DXS */ runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000); runtime->hw.rate_min = 8000; runtime->hw.rate_max = 48000; use_src = true; } 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 */ err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); if (err < 0) return err; if (use_src) { err = snd_pcm_hw_rule_noresample(runtime, 48000); if (err < 0) return err; } runtime->private_data = viadev; viadev->substream = substream; return 0; } /* * open callback for playback on via686 */ static int snd_via686_playback_open(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; int err; err = snd_via82xx_pcm_open(chip, viadev, substream); if (err < 0) return err; return 0; } /* * open callback for playback on via823x DXS */ static int snd_via8233_playback_open(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev; unsigned int stream; int err; viadev = &chip->devs[chip->playback_devno + substream->number]; err = snd_via82xx_pcm_open(chip, viadev, substream); if (err < 0) return err; stream = viadev->reg_offset / 0x10; if (chip->dxs_controls[stream]) { chip->playback_volume[stream][0] = VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); chip->playback_volume[stream][1] = VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); chip->dxs_controls[stream]->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, &chip->dxs_controls[stream]->id); } return 0; } /* * open callback for playback on via823x multi-channel */ static int snd_via8233_multi_open(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = &chip->devs[chip->multi_devno]; int err; /* channels constraint for VIA8233A * 3 and 5 channels are not supported */ static const unsigned int channels[] = { 1, 2, 4, 6 }; static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { .count = ARRAY_SIZE(channels), .list = channels, .mask = 0, }; err = snd_via82xx_pcm_open(chip, viadev, substream); if (err < 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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *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(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = 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); if (! ratep->rate) { if (! viadev->direction) { snd_ac97_update_power(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 0); snd_ac97_update_power(chip->ac97, AC97_PCM_SURR_DAC_RATE, 0); snd_ac97_update_power(chip->ac97, AC97_PCM_LFE_DAC_RATE, 0); } else snd_ac97_update_power(chip->ac97, AC97_PCM_LR_ADC_RATE, 0); } viadev->substream = NULL; return 0; } static int snd_via8233_playback_close(struct snd_pcm_substream *substream) { struct via82xx *chip = snd_pcm_substream_chip(substream); struct viadev *viadev = substream->runtime->private_data; unsigned int stream; stream = viadev->reg_offset / 0x10; if (chip->dxs_controls[stream]) { chip->dxs_controls[stream]->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE; snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &chip->dxs_controls[stream]->id); } return snd_via82xx_pcm_close(substream); } /* via686 playback callbacks */ static const struct snd_pcm_ops snd_via686_playback_ops = { .open = snd_via686_playback_open, .close = snd_via82xx_pcm_close, .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, }; /* via686 capture callbacks */ static const struct snd_pcm_ops snd_via686_capture_ops = { .open = snd_via82xx_capture_open, .close = snd_via82xx_pcm_close, .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, }; /* via823x DSX playback callbacks */ static const struct snd_pcm_ops snd_via8233_playback_ops = { .open = snd_via8233_playback_open, .close = snd_via8233_playback_close, .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, }; /* via823x multi-channel playback callbacks */ static const struct snd_pcm_ops snd_via8233_multi_ops = { .open = snd_via8233_multi_open, .close = snd_via82xx_pcm_close, .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, }; /* via823x capture callbacks */ static const struct snd_pcm_ops snd_via8233_capture_ops = { .open = snd_via82xx_capture_open, .close = snd_via82xx_pcm_close, .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, }; static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, int shadow_pos, int direction) { chip->devs[idx].reg_offset = reg_offset; chip->devs[idx].shadow_shift = shadow_pos * 4; 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 snd_via8233_pcm_new(struct via82xx *chip) { struct snd_pcm *pcm; struct snd_pcm_chmap *chmap; 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, i, 0); /* capture */ init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, &chip->pci->dev, 64*1024, VIA_MAX_BUFSIZE); err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, snd_pcm_std_chmaps, 2, 0, &chmap); if (err < 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, 4, 0); /* set up capture */ init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, &chip->pci->dev, 64*1024, VIA_MAX_BUFSIZE); err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, snd_pcm_alt_chmaps, 6, 0, &chmap); if (err < 0) return err; chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; return 0; } /* * create pcm instances for VIA8233A */ static int snd_via8233a_pcm_new(struct via82xx *chip) { struct snd_pcm *pcm; struct snd_pcm_chmap *chmap; 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, 4, 0); /* capture */ init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, &chip->pci->dev, 64*1024, VIA_MAX_BUFSIZE); err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, snd_pcm_alt_chmaps, 6, 0, &chmap); if (err < 0) return err; chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; /* 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, 3, 0); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, &chip->pci->dev, 64*1024, VIA_MAX_BUFSIZE); return 0; } /* * create a pcm instance for via686a/b */ static int snd_via686_pcm_new(struct via82xx *chip) { struct snd_pcm *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, 0); init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, &chip->pci->dev, 64*1024, VIA_MAX_BUFSIZE); return 0; } /* * Mixer part */ static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { /* formerly they were "Line" and "Mic", but it looks like that they * have nothing to do with the actual physical connections... */ static const char * const texts[2] = { "Input1", "Input2" }; return snd_ctl_enum_info(uinfo, 1, 2, texts); } static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *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 struct snd_kcontrol_new snd_via8233_capture_source = { .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, }; #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *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 const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *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(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *chip = snd_kcontrol_chip(kcontrol); unsigned int idx = kcontrol->id.subdevice; 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_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *chip = snd_kcontrol_chip(kcontrol); ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; return 0; } static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *chip = snd_kcontrol_chip(kcontrol); unsigned int idx = kcontrol->id.subdevice; 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 int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct via82xx *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_c[i]) { change = 1; chip->playback_volume_c[i] = val; for (idx = 0; idx < 4; idx++) { unsigned long port = chip->port + 0x10 * idx; chip->playback_volume[idx][i] = val; outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); } } } return change; } static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { .name = "PCM Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ), .info = snd_via8233_dxs_volume_info, .get = snd_via8233_pcmdxs_volume_get, .put = snd_via8233_pcmdxs_volume_put, .tlv = { .p = db_scale_dxs } }; static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .device = 0, /* .subdevice set later */ .name = "PCM Playback Volume", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_INACTIVE, .info = snd_via8233_dxs_volume_info, .get = snd_via8233_dxs_volume_get, .put = snd_via8233_dxs_volume_put, .tlv = { .p = db_scale_dxs } }; /* */ static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) { struct via82xx *chip = bus->private_data; chip->ac97_bus = NULL; } static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) { struct via82xx *chip = ac97->private_data; chip->ac97 = NULL; } static const struct ac97_quirk ac97_quirks[] = { { .subvendor = 0x1106, .subdevice = 0x4161, .codec_id = 0x56494161, /* VT1612A */ .name = "Soltek SL-75DRV5", .type = AC97_TUNE_NONE }, { /* FIXME: which codec? */ .subvendor = 0x1106, .subdevice = 0x4161, .name = "ASRock K7VT2", .type = AC97_TUNE_HP_ONLY }, { .subvendor = 0x110a, .subdevice = 0x0079, .name = "Fujitsu Siemens D1289", .type = AC97_TUNE_HP_ONLY }, { .subvendor = 0x1019, .subdevice = 0x0a81, .name = "ECS K7VTA3", .type = AC97_TUNE_HP_ONLY }, { .subvendor = 0x1019, .subdevice = 0x0a85, .name = "ECS L7VMM2", .type = AC97_TUNE_HP_ONLY }, { .subvendor = 0x1019, .subdevice = 0x1841, .name = "ECS K7VTA3", .type = AC97_TUNE_HP_ONLY }, { .subvendor = 0x1849, .subdevice = 0x3059, .name = "ASRock K7VM2", .type = AC97_TUNE_HP_ONLY /* VT1616 */ }, { .subvendor = 0x14cd, .subdevice = 0x7002, .name = "Unknown", .type = AC97_TUNE_ALC_JACK }, { .subvendor = 0x1071, .subdevice = 0x8590, .name = "Mitac Mobo", .type = AC97_TUNE_ALC_JACK }, { .subvendor = 0x161f, .subdevice = 0x202b, .name = "Arima Notebook", .type = AC97_TUNE_HP_ONLY, }, { .subvendor = 0x161f, .subdevice = 0x2032, .name = "Targa Traveller 811", .type = AC97_TUNE_HP_ONLY, }, { .subvendor = 0x161f, .subdevice = 0x2032, .name = "m680x", .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ }, { .subvendor = 0x1297, .subdevice = 0xa232, .name = "Shuttle AK32VN", .type = AC97_TUNE_HP_ONLY }, { } /* terminator */ }; static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) { struct snd_ac97_template ac97; int err; static const struct snd_ac97_bus_ops ops = { .write = snd_via82xx_codec_write, .read = snd_via82xx_codec_read, .wait = snd_via82xx_codec_wait, }; err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus); if (err < 0) return err; chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; chip->ac97_bus->clock = chip->ac97_clock; memset(&ac97, 0, sizeof(ac97)); ac97.private_data = chip; ac97.private_free = snd_via82xx_mixer_free_ac97; ac97.pci = chip->pci; ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97); if (err < 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 snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) { struct gameport *gp; if (!joystick) return -ENODEV; if (!devm_request_region(chip->card->dev, JOYSTICK_ADDR, 8, "VIA686 gameport")) { dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", JOYSTICK_ADDR); return -EBUSY; } chip->gameport = gp = gameport_allocate_port(); if (!gp) { dev_err(chip->card->dev, "cannot allocate memory for gameport\n"); 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; /* 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(struct via82xx *chip) { if (chip->gameport) { gameport_unregister_port(chip->gameport); chip->gameport = NULL; } } #else static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) { return -ENOSYS; } static inline void snd_via686_free_gameport(struct via82xx *chip) { } #endif /* * */ static int snd_via8233_init_misc(struct via82xx *chip) { 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 */ if (!snd_ctl_find_id_mixer(chip->card, "PCM Playback Volume")) { dev_info(chip->card->dev, "Using DXS as PCM Playback\n"); err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); if (err < 0) return err; } else /* Using DXS when PCM emulation is enabled is really weird */ { for (i = 0; i < 4; ++i) { struct snd_kcontrol *kctl; kctl = snd_ctl_new1( &snd_via8233_dxs_volume_control, chip); if (!kctl) return -ENOMEM; kctl->id.subdevice = i; err = snd_ctl_add(chip->card, kctl); if (err < 0) return err; chip->dxs_controls[i] = kctl; } } } /* 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 snd_via686_init_misc(struct via82xx *chip) { 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 >= 0x200) { /* force MIDI */ mpu_port &= 0xfffc; pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); chip->mpu_port_saved = mpu_port; } else { mpu_port = pci_resource_start(chip->pci, 2); } } else { switch (mpu_port) { /* force MIDI */ case 0x300: case 0x310: case 0x320: case 0x330: legacy_cfg &= ~(3 << 2); legacy_cfg |= (mpu_port & 0x0030) >> 2; break; default: /* no, use BIOS settings */ if (legacy & VIA_FUNC_ENABLE_MIDI) mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); break; } } if (mpu_port >= 0x200) chip->mpu_res = devm_request_region(&chip->pci->dev, mpu_port, 2, "VIA82xx MPU401"); if (chip->mpu_res) { 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 = 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, MPU401_INFO_INTEGRATED | MPU401_INFO_IRQ_HOOK, -1, &chip->rmidi) < 0) { dev_warn(chip->card->dev, "unable to initialize MPU-401 at 0x%lx, skipping\n", mpu_port); 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, &legacy); chip->legacy_saved = legacy; chip->legacy_cfg_saved = legacy_cfg; return 0; } /* * proc interface */ static void snd_via82xx_proc_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct via82xx *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 snd_via82xx_proc_init(struct via82xx *chip) { snd_card_ro_proc_new(chip->card, "via82xx", chip, snd_via82xx_proc_read); } /* * */ static int snd_via82xx_chip_init(struct via82xx *chip) { unsigned int val; unsigned long end_time; 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 */ end_time = jiffies + msecs_to_jiffies(750); do { pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ break; schedule_timeout_uninterruptible(1); } while (time_before(jiffies, end_time)); val = snd_via82xx_codec_xread(chip); if (val & VIA_REG_AC97_BUSY) dev_err(chip->card->dev, "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)); end_time = jiffies + msecs_to_jiffies(750); 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 { val = snd_via82xx_codec_xread(chip); if (val & VIA_REG_AC97_SECONDARY_VALID) { chip->ac97_secondary = 1; goto __ac97_ok2; } schedule_timeout_uninterruptible(1); } while (time_before(jiffies, end_time)); /* 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_get_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); pci_dev_put(pci); } } 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++) { chip->playback_volume[idx][i]=chip->playback_volume_c[i]; outb(chip->playback_volume_c[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); } } } return 0; } /* * power management */ static int snd_via82xx_suspend(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct via82xx *chip = card->private_data; int i; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); 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); } return 0; } static int snd_via82xx_resume(struct device *dev) { struct snd_card *card = dev_get_drvdata(dev); struct via82xx *chip = card->private_data; int i; 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]); snd_power_change_state(card, SNDRV_CTL_POWER_D0); return 0; } static DEFINE_SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); static void snd_via82xx_free(struct snd_card *card) { struct via82xx *chip = card->private_data; unsigned int i; /* disable interrupts */ for (i = 0; i < chip->num_devs; i++) snd_via82xx_channel_reset(chip, &chip->devs[i]); 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); } } static int snd_via82xx_create(struct snd_card *card, struct pci_dev *pci, int chip_type, int revision, unsigned int ac97_clock) { struct via82xx *chip = card->private_data; int err; err = pcim_enable_device(pci); if (err < 0) return err; 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)); err = pci_request_regions(pci, card->driver); if (err < 0) return err; chip->port = pci_resource_start(pci, 0); if (devm_request_irq(&pci->dev, pci->irq, chip_type == TYPE_VIA8233 ? snd_via8233_interrupt : snd_via686_interrupt, IRQF_SHARED, KBUILD_MODNAME, chip)) { dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); return -EBUSY; } chip->irq = pci->irq; card->sync_irq = chip->irq; card->private_free = snd_via82xx_free; if (ac97_clock >= 8000 && ac97_clock <= 48000) chip->ac97_clock = ac97_clock; err = snd_via82xx_chip_init(chip); if (err < 0) 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); return 0; } struct via823x_info { int revision; char *name; int type; }; static const struct via823x_info via823x_cards[] = { { 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 }, { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, }; /* * auto detection of DXS channel supports. */ static const struct snd_pci_quirk dxs_allowlist[] = { SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), { } /* terminator */ }; static int check_dxs_list(struct pci_dev *pci, int revision) { const struct snd_pci_quirk *w; w = snd_pci_quirk_lookup(pci, dxs_allowlist); if (w) { dev_dbg(&pci->dev, "DXS allow list for %s found\n", snd_pci_quirk_name(w)); return w->value; } /* for newer revision, default to DXS_SRC */ if (revision >= VIA_REV_8235) return VIA_DXS_SRC; /* * not detected, try 48k rate only to be sure. */ dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); dev_info(&pci->dev, " Please try dxs_support=5 option\n"); dev_info(&pci->dev, " and report if it works on your machine.\n"); dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); return VIA_DXS_48K; }; static int __snd_via82xx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { struct snd_card *card; struct via82xx *chip; int chip_type = 0, card_type; unsigned int i; int err; err = snd_devm_card_new(&pci->dev, index, id, THIS_MODULE, sizeof(*chip), &card); if (err < 0) return err; chip = card->private_data; card_type = pci_id->driver_data; switch (card_type) { case TYPE_CARD_VIA686: strcpy(card->driver, "VIA686A"); sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); chip_type = TYPE_VIA686; break; case TYPE_CARD_VIA8233: chip_type = TYPE_VIA8233; sprintf(card->shortname, "VIA 823x rev%x", pci->revision); for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { if (pci->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 == VIA_DXS_AUTO) dxs_support = check_dxs_list(pci, pci->revision); /* force to use VIA8233 or 8233A model according to * dxs_support module option */ if (dxs_support == VIA_DXS_DISABLE) chip_type = TYPE_VIA8233A; else chip_type = TYPE_VIA8233; } if (chip_type == TYPE_VIA8233A) strcpy(card->driver, "VIA8233A"); else if (pci->revision >= VIA_REV_8237) strcpy(card->driver, "VIA8237"); /* no slog assignment */ else strcpy(card->driver, "VIA8233"); break; default: dev_err(card->dev, "invalid card type %d\n", card_type); return -EINVAL; } err = snd_via82xx_create(card, pci, chip_type, pci->revision, ac97_clock); if (err < 0) return err; err = snd_via82xx_mixer_new(chip, ac97_quirk); if (err < 0) return err; if (chip_type == TYPE_VIA686) { err = snd_via686_pcm_new(chip); if (err < 0) return err; err = snd_via686_init_misc(chip); if (err < 0) return err; } else { if (chip_type == TYPE_VIA8233A) { err = snd_via8233a_pcm_new(chip); if (err < 0) return err; // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ } else { err = snd_via8233_pcm_new(chip); if (err < 0) return err; if (dxs_support == VIA_DXS_48K) chip->dxs_fixed = 1; else if (dxs_support == VIA_DXS_NO_VRA) chip->no_vra = 1; else if (dxs_support == VIA_DXS_SRC) { chip->no_vra = 1; chip->dxs_src = 1; } } err = snd_via8233_init_misc(chip); if (err < 0) return err; } /* 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); err = snd_card_register(card); if (err < 0) return err; pci_set_drvdata(pci, card); return 0; } static int snd_via82xx_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) { return snd_card_free_on_error(&pci->dev, __snd_via82xx_probe(pci, pci_id)); } static struct pci_driver via82xx_driver = { .name = KBUILD_MODNAME, .id_table = snd_via82xx_ids, .probe = snd_via82xx_probe, .driver = { .pm = &snd_via82xx_pm, }, }; module_pci_driver(via82xx_driver);
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