1/* 2 * ALSA driver for VIA VT82xx (South Bridge) 3 * 4 * VT82C686A/B/C, VT8233A/C, VT8235 5 * 6 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 7 * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> 8 * 2002 Takashi Iwai <tiwai@suse.de> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26/* 27 * Changes: 28 * 29 * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de> 30 * - use the DSX channels for the first pcm playback. 31 * (on VIA8233, 8233C and 8235 only) 32 * this will allow you play simultaneously up to 4 streams. 33 * multi-channel playback is assigned to the second device 34 * on these chips. 35 * - support the secondary capture (on VIA8233/C,8235) 36 * - SPDIF support 37 * the DSX3 channel can be used for SPDIF output. 38 * on VIA8233A, this channel is assigned to the second pcm 39 * playback. 40 * the card config of alsa-lib will assign the correct 41 * device for applications. 42 * - clean up the code, separate low-level initialization 43 * routines for each chipset. 44 * 45 * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> 46 * - Optimize position calculation for the 823x chips. 47 */ 48 49#include <asm/io.h> 50#include <linux/delay.h> 51#include <linux/interrupt.h> 52#include <linux/init.h> 53#include <linux/pci.h> 54#include <linux/slab.h> 55#include <linux/gameport.h> 56#include <linux/moduleparam.h> 57#include <sound/core.h> 58#include <sound/pcm.h> 59#include <sound/pcm_params.h> 60#include <sound/info.h> 61#include <sound/tlv.h> 62#include <sound/ac97_codec.h> 63#include <sound/mpu401.h> 64#include <sound/initval.h> 65 66 67MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 68MODULE_DESCRIPTION("VIA VT82xx audio"); 69MODULE_LICENSE("GPL"); 70MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 71 72#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 73#define SUPPORT_JOYSTICK 1 74#endif 75 76static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 77static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 78static long mpu_port; 79#ifdef SUPPORT_JOYSTICK 80static int joystick; 81#endif 82static int ac97_clock = 48000; 83static char *ac97_quirk; 84static int dxs_support; 85static int dxs_init_volume = 31; 86static int nodelay; 87 88module_param(index, int, 0444); 89MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 90module_param(id, charp, 0444); 91MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 92module_param(mpu_port, long, 0444); 93MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 94#ifdef SUPPORT_JOYSTICK 95module_param(joystick, bool, 0444); 96MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 97#endif 98module_param(ac97_clock, int, 0444); 99MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 100module_param(ac97_quirk, charp, 0444); 101MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 102module_param(dxs_support, int, 0444); 103MODULE_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)"); 104module_param(dxs_init_volume, int, 0644); 105MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 106module_param(nodelay, int, 0444); 107MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 108 109/* just for backward compatibility */ 110static int enable; 111module_param(enable, bool, 0444); 112 113 114/* revision numbers for via686 */ 115#define VIA_REV_686_A 0x10 116#define VIA_REV_686_B 0x11 117#define VIA_REV_686_C 0x12 118#define VIA_REV_686_D 0x13 119#define VIA_REV_686_E 0x14 120#define VIA_REV_686_H 0x20 121 122/* revision numbers for via8233 */ 123#define VIA_REV_PRE_8233 0x10 /* not in market */ 124#define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 125#define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 126#define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 127#define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 128#define VIA_REV_8237 0x60 129#define VIA_REV_8251 0x70 130 131/* 132 * Direct registers 133 */ 134 135#define VIAREG(via, x) ((via)->port + VIA_REG_##x) 136#define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 137 138/* common offsets */ 139#define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 140#define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 141#define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 142#define VIA_REG_STAT_PAUSED 0x40 /* RO */ 143#define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 144#define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 145#define VIA_REG_STAT_EOL 0x02 /* RWC */ 146#define VIA_REG_STAT_FLAG 0x01 /* RWC */ 147#define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 148#define VIA_REG_CTRL_START 0x80 /* WO */ 149#define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 150#define VIA_REG_CTRL_AUTOSTART 0x20 151#define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 152#define VIA_REG_CTRL_INT_STOP 0x04 153#define VIA_REG_CTRL_INT_EOL 0x02 154#define VIA_REG_CTRL_INT_FLAG 0x01 155#define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 156#define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 157#define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 158#define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 159#define VIA_REG_TYPE_16BIT 0x20 /* RW */ 160#define VIA_REG_TYPE_STEREO 0x10 /* RW */ 161#define VIA_REG_TYPE_INT_LLINE 0x00 162#define VIA_REG_TYPE_INT_LSAMPLE 0x04 163#define VIA_REG_TYPE_INT_LESSONE 0x08 164#define VIA_REG_TYPE_INT_MASK 0x0c 165#define VIA_REG_TYPE_INT_EOL 0x02 166#define VIA_REG_TYPE_INT_FLAG 0x01 167#define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 168#define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 169#define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 170#define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 171#define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 172#define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 173#define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 174 175#define DEFINE_VIA_REGSET(name,val) \ 176enum {\ 177 VIA_REG_##name##_STATUS = (val),\ 178 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 179 VIA_REG_##name##_TYPE = (val) + 0x02,\ 180 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 181 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 182 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 183 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 184} 185 186/* playback block */ 187DEFINE_VIA_REGSET(PLAYBACK, 0x00); 188DEFINE_VIA_REGSET(CAPTURE, 0x10); 189DEFINE_VIA_REGSET(FM, 0x20); 190 191/* AC'97 */ 192#define VIA_REG_AC97 0x80 /* dword */ 193#define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 194#define VIA_REG_AC97_CODEC_ID_SHIFT 30 195#define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 196#define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 197#define VIA_REG_AC97_SECONDARY_VALID (1<<27) 198#define VIA_REG_AC97_PRIMARY_VALID (1<<25) 199#define VIA_REG_AC97_BUSY (1<<24) 200#define VIA_REG_AC97_READ (1<<23) 201#define VIA_REG_AC97_CMD_SHIFT 16 202#define VIA_REG_AC97_CMD_MASK 0x7e 203#define VIA_REG_AC97_DATA_SHIFT 0 204#define VIA_REG_AC97_DATA_MASK 0xffff 205 206#define VIA_REG_SGD_SHADOW 0x84 /* dword */ 207/* via686 */ 208#define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 209#define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 210#define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 211#define VIA_REG_SGD_STAT_PB_EOL (1<<4) 212#define VIA_REG_SGD_STAT_CP_EOL (1<<5) 213#define VIA_REG_SGD_STAT_FM_EOL (1<<6) 214#define VIA_REG_SGD_STAT_PB_STOP (1<<8) 215#define VIA_REG_SGD_STAT_CP_STOP (1<<9) 216#define VIA_REG_SGD_STAT_FM_STOP (1<<10) 217#define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 218#define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 219#define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 220/* via8233 */ 221#define VIA8233_REG_SGD_STAT_FLAG (1<<0) 222#define VIA8233_REG_SGD_STAT_EOL (1<<1) 223#define VIA8233_REG_SGD_STAT_STOP (1<<2) 224#define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 225#define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 226#define VIA8233_REG_SGD_CHAN_SDX 0 227#define VIA8233_REG_SGD_CHAN_MULTI 4 228#define VIA8233_REG_SGD_CHAN_REC 6 229#define VIA8233_REG_SGD_CHAN_REC1 7 230 231#define VIA_REG_GPI_STATUS 0x88 232#define VIA_REG_GPI_INTR 0x8c 233 234/* multi-channel and capture registers for via8233 */ 235DEFINE_VIA_REGSET(MULTPLAY, 0x40); 236DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 237 238/* via8233-specific registers */ 239#define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 240#define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 241#define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 242#define VIA_REG_MULTPLAY_FMT_8BIT 0x00 243#define VIA_REG_MULTPLAY_FMT_16BIT 0x80 244#define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 245#define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 246#define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 247 248#define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 249 250#define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 251#define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 252#define VIA_REG_CAPTURE_CHANNEL_LINE 0 253#define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 254 255#define VIA_TBL_BIT_FLAG 0x40000000 256#define VIA_TBL_BIT_EOL 0x80000000 257 258/* pci space */ 259#define VIA_ACLINK_STAT 0x40 260#define VIA_ACLINK_C11_READY 0x20 261#define VIA_ACLINK_C10_READY 0x10 262#define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 263#define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 264#define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 265#define VIA_ACLINK_CTRL 0x41 266#define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 267#define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 268#define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 269#define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 270#define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 271#define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 272#define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 273#define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 274#define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 275 VIA_ACLINK_CTRL_RESET|\ 276 VIA_ACLINK_CTRL_PCM|\ 277 VIA_ACLINK_CTRL_VRA) 278#define VIA_FUNC_ENABLE 0x42 279#define VIA_FUNC_MIDI_PNP 0x80 280#define VIA_FUNC_MIDI_IRQMASK 0x40 281#define VIA_FUNC_RX2C_WRITE 0x20 282#define VIA_FUNC_SB_FIFO_EMPTY 0x10 283#define VIA_FUNC_ENABLE_GAME 0x08 284#define VIA_FUNC_ENABLE_FM 0x04 285#define VIA_FUNC_ENABLE_MIDI 0x02 286#define VIA_FUNC_ENABLE_SB 0x01 287#define VIA_PNP_CONTROL 0x43 288#define VIA_FM_NMI_CTRL 0x48 289#define VIA8233_VOLCHG_CTRL 0x48 290#define VIA8233_SPDIF_CTRL 0x49 291#define VIA8233_SPDIF_DX3 0x08 292#define VIA8233_SPDIF_SLOT_MASK 0x03 293#define VIA8233_SPDIF_SLOT_1011 0x00 294#define VIA8233_SPDIF_SLOT_34 0x01 295#define VIA8233_SPDIF_SLOT_78 0x02 296#define VIA8233_SPDIF_SLOT_69 0x03 297 298/* 299 */ 300 301#define VIA_DXS_AUTO 0 302#define VIA_DXS_ENABLE 1 303#define VIA_DXS_DISABLE 2 304#define VIA_DXS_48K 3 305#define VIA_DXS_NO_VRA 4 306#define VIA_DXS_SRC 5 307 308 309/* 310 * pcm stream 311 */ 312 313struct snd_via_sg_table { 314 unsigned int offset; 315 unsigned int size; 316} ; 317 318#define VIA_TABLE_SIZE 255 319#define VIA_MAX_BUFSIZE (1<<24) 320 321struct viadev { 322 unsigned int reg_offset; 323 unsigned long port; 324 int direction; /* playback = 0, capture = 1 */ 325 struct snd_pcm_substream *substream; 326 int running; 327 unsigned int tbl_entries; /* # descriptors */ 328 struct snd_dma_buffer table; 329 struct snd_via_sg_table *idx_table; 330 /* for recovery from the unexpected pointer */ 331 unsigned int lastpos; 332 unsigned int fragsize; 333 unsigned int bufsize; 334 unsigned int bufsize2; 335 int hwptr_done; /* processed frame position in the buffer */ 336 int in_interrupt; 337 int shadow_shift; 338}; 339 340 341enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 342enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 343 344#define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 345 346struct via_rate_lock { 347 spinlock_t lock; 348 int rate; 349 int used; 350}; 351 352struct via82xx { 353 int irq; 354 355 unsigned long port; 356 struct resource *mpu_res; 357 int chip_type; 358 unsigned char revision; 359 360 unsigned char old_legacy; 361 unsigned char old_legacy_cfg; 362#ifdef CONFIG_PM 363 unsigned char legacy_saved; 364 unsigned char legacy_cfg_saved; 365 unsigned char spdif_ctrl_saved; 366 unsigned char capture_src_saved[2]; 367 unsigned int mpu_port_saved; 368#endif 369 370 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 371 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 372 373 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 374 375 struct pci_dev *pci; 376 struct snd_card *card; 377 378 unsigned int num_devs; 379 unsigned int playback_devno, multi_devno, capture_devno; 380 struct viadev devs[VIA_MAX_DEVS]; 381 struct via_rate_lock rates[2]; /* playback and capture */ 382 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 383 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 384 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 385 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 386 387 struct snd_pcm *pcms[2]; 388 struct snd_rawmidi *rmidi; 389 struct snd_kcontrol *dxs_controls[4]; 390 391 struct snd_ac97_bus *ac97_bus; 392 struct snd_ac97 *ac97; 393 unsigned int ac97_clock; 394 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 395 396 spinlock_t reg_lock; 397 struct snd_info_entry *proc_entry; 398 399#ifdef SUPPORT_JOYSTICK 400 struct gameport *gameport; 401#endif 402}; 403 404static DEFINE_PCI_DEVICE_TABLE(snd_via82xx_ids) = { 405 /* 0x1106, 0x3058 */ 406 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 407 /* 0x1106, 0x3059 */ 408 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 409 { 0, } 410}; 411 412MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 413 414/* 415 */ 416 417/* 418 * allocate and initialize the descriptor buffers 419 * periods = number of periods 420 * fragsize = period size in bytes 421 */ 422static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 423 struct pci_dev *pci, 424 unsigned int periods, unsigned int fragsize) 425{ 426 unsigned int i, idx, ofs, rest; 427 struct via82xx *chip = snd_pcm_substream_chip(substream); 428 429 if (dev->table.area == NULL) { 430 /* the start of each lists must be aligned to 8 bytes, 431 * but the kernel pages are much bigger, so we don't care 432 */ 433 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 434 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 435 &dev->table) < 0) 436 return -ENOMEM; 437 } 438 if (! dev->idx_table) { 439 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 440 if (! dev->idx_table) 441 return -ENOMEM; 442 } 443 444 /* fill the entries */ 445 idx = 0; 446 ofs = 0; 447 for (i = 0; i < periods; i++) { 448 rest = fragsize; 449 /* fill descriptors for a period. 450 * a period can be split to several descriptors if it's 451 * over page boundary. 452 */ 453 do { 454 unsigned int r; 455 unsigned int flag; 456 unsigned int addr; 457 458 if (idx >= VIA_TABLE_SIZE) { 459 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 460 return -EINVAL; 461 } 462 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 463 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 464 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 465 rest -= r; 466 if (! rest) { 467 if (i == periods - 1) 468 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 469 else 470 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 471 } else 472 flag = 0; /* period continues to the next */ 473 /* 474 printk(KERN_DEBUG "via: tbl %d: at %d size %d " 475 "(rest %d)\n", idx, ofs, r, rest); 476 */ 477 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 478 dev->idx_table[idx].offset = ofs; 479 dev->idx_table[idx].size = r; 480 ofs += r; 481 idx++; 482 } while (rest > 0); 483 } 484 dev->tbl_entries = idx; 485 dev->bufsize = periods * fragsize; 486 dev->bufsize2 = dev->bufsize / 2; 487 dev->fragsize = fragsize; 488 return 0; 489} 490 491 492static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 493 struct pci_dev *pci) 494{ 495 if (dev->table.area) { 496 snd_dma_free_pages(&dev->table); 497 dev->table.area = NULL; 498 } 499 kfree(dev->idx_table); 500 dev->idx_table = NULL; 501 return 0; 502} 503 504/* 505 * Basic I/O 506 */ 507 508static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 509{ 510 return inl(VIAREG(chip, AC97)); 511} 512 513static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 514{ 515 outl(val, VIAREG(chip, AC97)); 516} 517 518static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 519{ 520 unsigned int timeout = 1000; /* 1ms */ 521 unsigned int val; 522 523 while (timeout-- > 0) { 524 udelay(1); 525 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 526 return val & 0xffff; 527 } 528 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 529 secondary, snd_via82xx_codec_xread(chip)); 530 return -EIO; 531} 532 533static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 534{ 535 unsigned int timeout = 1000; /* 1ms */ 536 unsigned int val, val1; 537 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 538 VIA_REG_AC97_SECONDARY_VALID; 539 540 while (timeout-- > 0) { 541 val = snd_via82xx_codec_xread(chip); 542 val1 = val & (VIA_REG_AC97_BUSY | stat); 543 if (val1 == stat) 544 return val & 0xffff; 545 udelay(1); 546 } 547 return -EIO; 548} 549 550static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 551{ 552 struct via82xx *chip = ac97->private_data; 553 int err; 554 err = snd_via82xx_codec_ready(chip, ac97->num); 555 /* here we need to wait fairly for long time.. */ 556 if (!nodelay) 557 msleep(500); 558} 559 560static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 561 unsigned short reg, 562 unsigned short val) 563{ 564 struct via82xx *chip = ac97->private_data; 565 unsigned int xval; 566 567 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 568 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 569 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 570 xval |= val << VIA_REG_AC97_DATA_SHIFT; 571 snd_via82xx_codec_xwrite(chip, xval); 572 snd_via82xx_codec_ready(chip, ac97->num); 573} 574 575static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 576{ 577 struct via82xx *chip = ac97->private_data; 578 unsigned int xval, val = 0xffff; 579 int again = 0; 580 581 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 582 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 583 xval |= VIA_REG_AC97_READ; 584 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 585 while (1) { 586 if (again++ > 3) { 587 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 588 ac97->num, snd_via82xx_codec_xread(chip)); 589 return 0xffff; 590 } 591 snd_via82xx_codec_xwrite(chip, xval); 592 udelay (20); 593 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 594 udelay(25); 595 val = snd_via82xx_codec_xread(chip); 596 break; 597 } 598 } 599 return val & 0xffff; 600} 601 602static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 603{ 604 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 605 VIADEV_REG(viadev, OFFSET_CONTROL)); 606 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 607 udelay(50); 608 /* disable interrupts */ 609 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 610 /* clear interrupts */ 611 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 612 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 613 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 614 viadev->lastpos = 0; 615 viadev->hwptr_done = 0; 616} 617 618 619/* 620 * Interrupt handler 621 * Used for 686 and 8233A 622 */ 623static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 624{ 625 struct via82xx *chip = dev_id; 626 unsigned int status; 627 unsigned int i; 628 629 status = inl(VIAREG(chip, SGD_SHADOW)); 630 if (! (status & chip->intr_mask)) { 631 if (chip->rmidi) 632 /* check mpu401 interrupt */ 633 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 634 return IRQ_NONE; 635 } 636 637 /* check status for each stream */ 638 spin_lock(&chip->reg_lock); 639 for (i = 0; i < chip->num_devs; i++) { 640 struct viadev *viadev = &chip->devs[i]; 641 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 642 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 643 continue; 644 if (viadev->substream && viadev->running) { 645 /* 646 * Update hwptr_done based on 'period elapsed' 647 * interrupts. We'll use it, when the chip returns 0 648 * for OFFSET_CURR_COUNT. 649 */ 650 if (c_status & VIA_REG_STAT_EOL) 651 viadev->hwptr_done = 0; 652 else 653 viadev->hwptr_done += viadev->fragsize; 654 viadev->in_interrupt = c_status; 655 spin_unlock(&chip->reg_lock); 656 snd_pcm_period_elapsed(viadev->substream); 657 spin_lock(&chip->reg_lock); 658 viadev->in_interrupt = 0; 659 } 660 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 661 } 662 spin_unlock(&chip->reg_lock); 663 return IRQ_HANDLED; 664} 665 666/* 667 * Interrupt handler 668 */ 669static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 670{ 671 struct via82xx *chip = dev_id; 672 unsigned int status; 673 unsigned int i; 674 int irqreturn = 0; 675 676 /* check status for each stream */ 677 spin_lock(&chip->reg_lock); 678 status = inl(VIAREG(chip, SGD_SHADOW)); 679 680 for (i = 0; i < chip->num_devs; i++) { 681 struct viadev *viadev = &chip->devs[i]; 682 struct snd_pcm_substream *substream; 683 unsigned char c_status, shadow_status; 684 685 shadow_status = (status >> viadev->shadow_shift) & 686 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 687 VIA_REG_STAT_FLAG); 688 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 689 if (!c_status) 690 continue; 691 692 substream = viadev->substream; 693 if (substream && viadev->running) { 694 /* 695 * Update hwptr_done based on 'period elapsed' 696 * interrupts. We'll use it, when the chip returns 0 697 * for OFFSET_CURR_COUNT. 698 */ 699 if (c_status & VIA_REG_STAT_EOL) 700 viadev->hwptr_done = 0; 701 else 702 viadev->hwptr_done += viadev->fragsize; 703 viadev->in_interrupt = c_status; 704 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 705 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 706 spin_unlock(&chip->reg_lock); 707 708 snd_pcm_period_elapsed(substream); 709 710 spin_lock(&chip->reg_lock); 711 viadev->in_interrupt = 0; 712 } 713 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 714 irqreturn = 1; 715 } 716 spin_unlock(&chip->reg_lock); 717 return IRQ_RETVAL(irqreturn); 718} 719 720/* 721 * PCM callbacks 722 */ 723 724/* 725 * trigger callback 726 */ 727static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 728{ 729 struct via82xx *chip = snd_pcm_substream_chip(substream); 730 struct viadev *viadev = substream->runtime->private_data; 731 unsigned char val; 732 733 if (chip->chip_type != TYPE_VIA686) 734 val = VIA_REG_CTRL_INT; 735 else 736 val = 0; 737 switch (cmd) { 738 case SNDRV_PCM_TRIGGER_START: 739 case SNDRV_PCM_TRIGGER_RESUME: 740 val |= VIA_REG_CTRL_START; 741 viadev->running = 1; 742 break; 743 case SNDRV_PCM_TRIGGER_STOP: 744 case SNDRV_PCM_TRIGGER_SUSPEND: 745 val = VIA_REG_CTRL_TERMINATE; 746 viadev->running = 0; 747 break; 748 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 749 val |= VIA_REG_CTRL_PAUSE; 750 viadev->running = 0; 751 break; 752 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 753 viadev->running = 1; 754 break; 755 default: 756 return -EINVAL; 757 } 758 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 759 if (cmd == SNDRV_PCM_TRIGGER_STOP) 760 snd_via82xx_channel_reset(chip, viadev); 761 return 0; 762} 763 764 765/* 766 * pointer callbacks 767 */ 768 769/* 770 * calculate the linear position at the given sg-buffer index and the rest count 771 */ 772 773#define check_invalid_pos(viadev,pos) \ 774 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 775 viadev->lastpos < viadev->bufsize2)) 776 777static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 778 unsigned int count) 779{ 780 unsigned int size, base, res; 781 782 size = viadev->idx_table[idx].size; 783 base = viadev->idx_table[idx].offset; 784 res = base + size - count; 785 if (res >= viadev->bufsize) 786 res -= viadev->bufsize; 787 788 /* check the validity of the calculated position */ 789 if (size < count) { 790 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 791 (int)size, (int)count); 792 res = viadev->lastpos; 793 } else { 794 if (! count) { 795 /* Some mobos report count = 0 on the DMA boundary, 796 * i.e. count = size indeed. 797 * Let's check whether this step is above the expected size. 798 */ 799 int delta = res - viadev->lastpos; 800 if (delta < 0) 801 delta += viadev->bufsize; 802 if ((unsigned int)delta > viadev->fragsize) 803 res = base; 804 } 805 if (check_invalid_pos(viadev, res)) { 806#ifdef POINTER_DEBUG 807 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " 808 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 809 "count = 0x%x\n", idx, viadev->tbl_entries, 810 viadev->lastpos, viadev->bufsize2, 811 viadev->idx_table[idx].offset, 812 viadev->idx_table[idx].size, count); 813#endif 814 /* count register returns full size when end of buffer is reached */ 815 res = base + size; 816 if (check_invalid_pos(viadev, res)) { 817 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 818 "using last valid pointer\n"); 819 res = viadev->lastpos; 820 } 821 } 822 } 823 return res; 824} 825 826/* 827 * get the current pointer on via686 828 */ 829static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 830{ 831 struct via82xx *chip = snd_pcm_substream_chip(substream); 832 struct viadev *viadev = substream->runtime->private_data; 833 unsigned int idx, ptr, count, res; 834 835 if (snd_BUG_ON(!viadev->tbl_entries)) 836 return 0; 837 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 838 return 0; 839 840 spin_lock(&chip->reg_lock); 841 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 842 /* The via686a does not have the current index register, 843 * so we need to calculate the index from CURR_PTR. 844 */ 845 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 846 if (ptr <= (unsigned int)viadev->table.addr) 847 idx = 0; 848 else /* CURR_PTR holds the address + 8 */ 849 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 850 res = calc_linear_pos(viadev, idx, count); 851 viadev->lastpos = res; /* remember the last position */ 852 spin_unlock(&chip->reg_lock); 853 854 return bytes_to_frames(substream->runtime, res); 855} 856 857/* 858 * get the current pointer on via823x 859 */ 860static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 861{ 862 struct via82xx *chip = snd_pcm_substream_chip(substream); 863 struct viadev *viadev = substream->runtime->private_data; 864 unsigned int idx, count, res; 865 int status; 866 867 if (snd_BUG_ON(!viadev->tbl_entries)) 868 return 0; 869 870 spin_lock(&chip->reg_lock); 871 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 872 status = viadev->in_interrupt; 873 if (!status) 874 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 875 876 /* An apparent bug in the 8251 is worked around by sending a 877 * REG_CTRL_START. */ 878 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 879 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 880 881 if (!(status & VIA_REG_STAT_ACTIVE)) { 882 res = 0; 883 goto unlock; 884 } 885 if (count & 0xffffff) { 886 idx = count >> 24; 887 if (idx >= viadev->tbl_entries) { 888#ifdef POINTER_DEBUG 889 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 890 viadev->tbl_entries); 891#endif 892 res = viadev->lastpos; 893 } else { 894 count &= 0xffffff; 895 res = calc_linear_pos(viadev, idx, count); 896 } 897 } else { 898 res = viadev->hwptr_done; 899 if (!viadev->in_interrupt) { 900 if (status & VIA_REG_STAT_EOL) { 901 res = 0; 902 } else 903 if (status & VIA_REG_STAT_FLAG) { 904 res += viadev->fragsize; 905 } 906 } 907 } 908unlock: 909 viadev->lastpos = res; 910 spin_unlock(&chip->reg_lock); 911 912 return bytes_to_frames(substream->runtime, res); 913} 914 915 916/* 917 * hw_params callback: 918 * allocate the buffer and build up the buffer description table 919 */ 920static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 921 struct snd_pcm_hw_params *hw_params) 922{ 923 struct via82xx *chip = snd_pcm_substream_chip(substream); 924 struct viadev *viadev = substream->runtime->private_data; 925 int err; 926 927 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 928 if (err < 0) 929 return err; 930 err = build_via_table(viadev, substream, chip->pci, 931 params_periods(hw_params), 932 params_period_bytes(hw_params)); 933 if (err < 0) 934 return err; 935 936 return 0; 937} 938 939/* 940 * hw_free callback: 941 * clean up the buffer description table and release the buffer 942 */ 943static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 944{ 945 struct via82xx *chip = snd_pcm_substream_chip(substream); 946 struct viadev *viadev = substream->runtime->private_data; 947 948 clean_via_table(viadev, substream, chip->pci); 949 snd_pcm_lib_free_pages(substream); 950 return 0; 951} 952 953 954/* 955 * set up the table pointer 956 */ 957static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 958{ 959 snd_via82xx_codec_ready(chip, 0); 960 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 961 udelay(20); 962 snd_via82xx_codec_ready(chip, 0); 963} 964 965/* 966 * prepare callback for playback and capture on via686 967 */ 968static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 969 struct snd_pcm_runtime *runtime) 970{ 971 snd_via82xx_channel_reset(chip, viadev); 972 /* this must be set after channel_reset */ 973 snd_via82xx_set_table_ptr(chip, viadev); 974 outb(VIA_REG_TYPE_AUTOSTART | 975 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 976 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 977 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 978 VIA_REG_TYPE_INT_EOL | 979 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 980} 981 982static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 983{ 984 struct via82xx *chip = snd_pcm_substream_chip(substream); 985 struct viadev *viadev = substream->runtime->private_data; 986 struct snd_pcm_runtime *runtime = substream->runtime; 987 988 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 989 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 990 via686_setup_format(chip, viadev, runtime); 991 return 0; 992} 993 994static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 995{ 996 struct via82xx *chip = snd_pcm_substream_chip(substream); 997 struct viadev *viadev = substream->runtime->private_data; 998 struct snd_pcm_runtime *runtime = substream->runtime; 999 1000 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1001 via686_setup_format(chip, viadev, runtime); 1002 return 0; 1003} 1004 1005/* 1006 * lock the current rate 1007 */ 1008static int via_lock_rate(struct via_rate_lock *rec, int rate) 1009{ 1010 int changed = 0; 1011 1012 spin_lock_irq(&rec->lock); 1013 if (rec->rate != rate) { 1014 if (rec->rate && rec->used > 1) /* already set */ 1015 changed = -EINVAL; 1016 else { 1017 rec->rate = rate; 1018 changed = 1; 1019 } 1020 } 1021 spin_unlock_irq(&rec->lock); 1022 return changed; 1023} 1024 1025/* 1026 * prepare callback for DSX playback on via823x 1027 */ 1028static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1029{ 1030 struct via82xx *chip = snd_pcm_substream_chip(substream); 1031 struct viadev *viadev = substream->runtime->private_data; 1032 struct snd_pcm_runtime *runtime = substream->runtime; 1033 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1034 int rate_changed; 1035 u32 rbits; 1036 1037 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1038 return rate_changed; 1039 if (rate_changed) 1040 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1041 chip->no_vra ? 48000 : runtime->rate); 1042 if (chip->spdif_on && viadev->reg_offset == 0x30) 1043 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1044 1045 if (runtime->rate == 48000) 1046 rbits = 0xfffff; 1047 else 1048 rbits = (0x100000 / 48000) * runtime->rate + 1049 ((0x100000 % 48000) * runtime->rate) / 48000; 1050 snd_BUG_ON(rbits & ~0xfffff); 1051 snd_via82xx_channel_reset(chip, viadev); 1052 snd_via82xx_set_table_ptr(chip, viadev); 1053 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1054 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1055 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1056 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1057 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1058 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1059 rbits | /* rate */ 1060 0xff000000, /* STOP index is never reached */ 1061 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1062 udelay(20); 1063 snd_via82xx_codec_ready(chip, 0); 1064 return 0; 1065} 1066 1067/* 1068 * prepare callback for multi-channel playback on via823x 1069 */ 1070static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1071{ 1072 struct via82xx *chip = snd_pcm_substream_chip(substream); 1073 struct viadev *viadev = substream->runtime->private_data; 1074 struct snd_pcm_runtime *runtime = substream->runtime; 1075 unsigned int slots; 1076 int fmt; 1077 1078 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1079 return -EINVAL; 1080 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1081 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1082 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1083 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1084 snd_via82xx_channel_reset(chip, viadev); 1085 snd_via82xx_set_table_ptr(chip, viadev); 1086 1087 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1088 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1089 fmt |= runtime->channels << 4; 1090 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1091 { 1092 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1093 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1094 switch (runtime->channels) { 1095 case 1: slots = (1<<0) | (1<<4); break; 1096 case 2: slots = (1<<0) | (2<<4); break; 1097 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1098 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1099 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1100 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1101 default: slots = 0; break; 1102 } 1103 } 1104 /* STOP index is never reached */ 1105 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1106 udelay(20); 1107 snd_via82xx_codec_ready(chip, 0); 1108 return 0; 1109} 1110 1111/* 1112 * prepare callback for capture on via823x 1113 */ 1114static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1115{ 1116 struct via82xx *chip = snd_pcm_substream_chip(substream); 1117 struct viadev *viadev = substream->runtime->private_data; 1118 struct snd_pcm_runtime *runtime = substream->runtime; 1119 1120 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1121 return -EINVAL; 1122 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1123 snd_via82xx_channel_reset(chip, viadev); 1124 snd_via82xx_set_table_ptr(chip, viadev); 1125 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1126 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1127 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1128 0xff000000, /* STOP index is never reached */ 1129 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1130 udelay(20); 1131 snd_via82xx_codec_ready(chip, 0); 1132 return 0; 1133} 1134 1135 1136/* 1137 * pcm hardware definition, identical for both playback and capture 1138 */ 1139static struct snd_pcm_hardware snd_via82xx_hw = 1140{ 1141 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1142 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1143 SNDRV_PCM_INFO_MMAP_VALID | 1144 /* SNDRV_PCM_INFO_RESUME | */ 1145 SNDRV_PCM_INFO_PAUSE), 1146 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1147 .rates = SNDRV_PCM_RATE_48000, 1148 .rate_min = 48000, 1149 .rate_max = 48000, 1150 .channels_min = 1, 1151 .channels_max = 2, 1152 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1153 .period_bytes_min = 32, 1154 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1155 .periods_min = 2, 1156 .periods_max = VIA_TABLE_SIZE / 2, 1157 .fifo_size = 0, 1158}; 1159 1160 1161/* 1162 * open callback skeleton 1163 */ 1164static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1165 struct snd_pcm_substream *substream) 1166{ 1167 struct snd_pcm_runtime *runtime = substream->runtime; 1168 int err; 1169 struct via_rate_lock *ratep; 1170 1171 runtime->hw = snd_via82xx_hw; 1172 1173 /* set the hw rate condition */ 1174 ratep = &chip->rates[viadev->direction]; 1175 spin_lock_irq(&ratep->lock); 1176 ratep->used++; 1177 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1178 /* DXS#3 and spdif is on */ 1179 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1180 snd_pcm_limit_hw_rates(runtime); 1181 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1182 /* fixed DXS playback rate */ 1183 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1184 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1185 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1186 /* use full SRC capabilities of DXS */ 1187 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1188 SNDRV_PCM_RATE_8000_48000); 1189 runtime->hw.rate_min = 8000; 1190 runtime->hw.rate_max = 48000; 1191 } else if (! ratep->rate) { 1192 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1193 runtime->hw.rates = chip->ac97->rates[idx]; 1194 snd_pcm_limit_hw_rates(runtime); 1195 } else { 1196 /* a fixed rate */ 1197 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1198 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1199 } 1200 spin_unlock_irq(&ratep->lock); 1201 1202 /* we may remove following constaint when we modify table entries 1203 in interrupt */ 1204 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1205 return err; 1206 1207 runtime->private_data = viadev; 1208 viadev->substream = substream; 1209 1210 return 0; 1211} 1212 1213 1214/* 1215 * open callback for playback on via686 1216 */ 1217static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1218{ 1219 struct via82xx *chip = snd_pcm_substream_chip(substream); 1220 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1221 int err; 1222 1223 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1224 return err; 1225 return 0; 1226} 1227 1228/* 1229 * open callback for playback on via823x DXS 1230 */ 1231static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1232{ 1233 struct via82xx *chip = snd_pcm_substream_chip(substream); 1234 struct viadev *viadev; 1235 unsigned int stream; 1236 int err; 1237 1238 viadev = &chip->devs[chip->playback_devno + substream->number]; 1239 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1240 return err; 1241 stream = viadev->reg_offset / 0x10; 1242 if (chip->dxs_controls[stream]) { 1243 chip->playback_volume[stream][0] = 1244 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1245 chip->playback_volume[stream][1] = 1246 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1247 chip->dxs_controls[stream]->vd[0].access &= 1248 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1249 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1250 SNDRV_CTL_EVENT_MASK_INFO, 1251 &chip->dxs_controls[stream]->id); 1252 } 1253 return 0; 1254} 1255 1256/* 1257 * open callback for playback on via823x multi-channel 1258 */ 1259static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1260{ 1261 struct via82xx *chip = snd_pcm_substream_chip(substream); 1262 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1263 int err; 1264 /* channels constraint for VIA8233A 1265 * 3 and 5 channels are not supported 1266 */ 1267 static unsigned int channels[] = { 1268 1, 2, 4, 6 1269 }; 1270 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1271 .count = ARRAY_SIZE(channels), 1272 .list = channels, 1273 .mask = 0, 1274 }; 1275 1276 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1277 return err; 1278 substream->runtime->hw.channels_max = 6; 1279 if (chip->revision == VIA_REV_8233A) 1280 snd_pcm_hw_constraint_list(substream->runtime, 0, 1281 SNDRV_PCM_HW_PARAM_CHANNELS, 1282 &hw_constraints_channels); 1283 return 0; 1284} 1285 1286/* 1287 * open callback for capture on via686 and via823x 1288 */ 1289static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1290{ 1291 struct via82xx *chip = snd_pcm_substream_chip(substream); 1292 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1293 1294 return snd_via82xx_pcm_open(chip, viadev, substream); 1295} 1296 1297/* 1298 * close callback 1299 */ 1300static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1301{ 1302 struct via82xx *chip = snd_pcm_substream_chip(substream); 1303 struct viadev *viadev = substream->runtime->private_data; 1304 struct via_rate_lock *ratep; 1305 1306 /* release the rate lock */ 1307 ratep = &chip->rates[viadev->direction]; 1308 spin_lock_irq(&ratep->lock); 1309 ratep->used--; 1310 if (! ratep->used) 1311 ratep->rate = 0; 1312 spin_unlock_irq(&ratep->lock); 1313 if (! ratep->rate) { 1314 if (! viadev->direction) { 1315 snd_ac97_update_power(chip->ac97, 1316 AC97_PCM_FRONT_DAC_RATE, 0); 1317 snd_ac97_update_power(chip->ac97, 1318 AC97_PCM_SURR_DAC_RATE, 0); 1319 snd_ac97_update_power(chip->ac97, 1320 AC97_PCM_LFE_DAC_RATE, 0); 1321 } else 1322 snd_ac97_update_power(chip->ac97, 1323 AC97_PCM_LR_ADC_RATE, 0); 1324 } 1325 viadev->substream = NULL; 1326 return 0; 1327} 1328 1329static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1330{ 1331 struct via82xx *chip = snd_pcm_substream_chip(substream); 1332 struct viadev *viadev = substream->runtime->private_data; 1333 unsigned int stream; 1334 1335 stream = viadev->reg_offset / 0x10; 1336 if (chip->dxs_controls[stream]) { 1337 chip->dxs_controls[stream]->vd[0].access |= 1338 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1339 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1340 &chip->dxs_controls[stream]->id); 1341 } 1342 return snd_via82xx_pcm_close(substream); 1343} 1344 1345 1346/* via686 playback callbacks */ 1347static struct snd_pcm_ops snd_via686_playback_ops = { 1348 .open = snd_via686_playback_open, 1349 .close = snd_via82xx_pcm_close, 1350 .ioctl = snd_pcm_lib_ioctl, 1351 .hw_params = snd_via82xx_hw_params, 1352 .hw_free = snd_via82xx_hw_free, 1353 .prepare = snd_via686_playback_prepare, 1354 .trigger = snd_via82xx_pcm_trigger, 1355 .pointer = snd_via686_pcm_pointer, 1356 .page = snd_pcm_sgbuf_ops_page, 1357}; 1358 1359/* via686 capture callbacks */ 1360static struct snd_pcm_ops snd_via686_capture_ops = { 1361 .open = snd_via82xx_capture_open, 1362 .close = snd_via82xx_pcm_close, 1363 .ioctl = snd_pcm_lib_ioctl, 1364 .hw_params = snd_via82xx_hw_params, 1365 .hw_free = snd_via82xx_hw_free, 1366 .prepare = snd_via686_capture_prepare, 1367 .trigger = snd_via82xx_pcm_trigger, 1368 .pointer = snd_via686_pcm_pointer, 1369 .page = snd_pcm_sgbuf_ops_page, 1370}; 1371 1372/* via823x DSX playback callbacks */ 1373static struct snd_pcm_ops snd_via8233_playback_ops = { 1374 .open = snd_via8233_playback_open, 1375 .close = snd_via8233_playback_close, 1376 .ioctl = snd_pcm_lib_ioctl, 1377 .hw_params = snd_via82xx_hw_params, 1378 .hw_free = snd_via82xx_hw_free, 1379 .prepare = snd_via8233_playback_prepare, 1380 .trigger = snd_via82xx_pcm_trigger, 1381 .pointer = snd_via8233_pcm_pointer, 1382 .page = snd_pcm_sgbuf_ops_page, 1383}; 1384 1385/* via823x multi-channel playback callbacks */ 1386static struct snd_pcm_ops snd_via8233_multi_ops = { 1387 .open = snd_via8233_multi_open, 1388 .close = snd_via82xx_pcm_close, 1389 .ioctl = snd_pcm_lib_ioctl, 1390 .hw_params = snd_via82xx_hw_params, 1391 .hw_free = snd_via82xx_hw_free, 1392 .prepare = snd_via8233_multi_prepare, 1393 .trigger = snd_via82xx_pcm_trigger, 1394 .pointer = snd_via8233_pcm_pointer, 1395 .page = snd_pcm_sgbuf_ops_page, 1396}; 1397 1398/* via823x capture callbacks */ 1399static struct snd_pcm_ops snd_via8233_capture_ops = { 1400 .open = snd_via82xx_capture_open, 1401 .close = snd_via82xx_pcm_close, 1402 .ioctl = snd_pcm_lib_ioctl, 1403 .hw_params = snd_via82xx_hw_params, 1404 .hw_free = snd_via82xx_hw_free, 1405 .prepare = snd_via8233_capture_prepare, 1406 .trigger = snd_via82xx_pcm_trigger, 1407 .pointer = snd_via8233_pcm_pointer, 1408 .page = snd_pcm_sgbuf_ops_page, 1409}; 1410 1411 1412static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1413 int shadow_pos, int direction) 1414{ 1415 chip->devs[idx].reg_offset = reg_offset; 1416 chip->devs[idx].shadow_shift = shadow_pos * 4; 1417 chip->devs[idx].direction = direction; 1418 chip->devs[idx].port = chip->port + reg_offset; 1419} 1420 1421/* 1422 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1423 */ 1424static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1425{ 1426 struct snd_pcm *pcm; 1427 int i, err; 1428 1429 chip->playback_devno = 0; /* x 4 */ 1430 chip->multi_devno = 4; /* x 1 */ 1431 chip->capture_devno = 5; /* x 2 */ 1432 chip->num_devs = 7; 1433 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1434 1435 /* PCM #0: 4 DSX playbacks and 1 capture */ 1436 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1437 if (err < 0) 1438 return err; 1439 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1440 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1441 pcm->private_data = chip; 1442 strcpy(pcm->name, chip->card->shortname); 1443 chip->pcms[0] = pcm; 1444 /* set up playbacks */ 1445 for (i = 0; i < 4; i++) 1446 init_viadev(chip, i, 0x10 * i, i, 0); 1447 /* capture */ 1448 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1449 1450 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1451 snd_dma_pci_data(chip->pci), 1452 64*1024, VIA_MAX_BUFSIZE); 1453 1454 /* PCM #1: multi-channel playback and 2nd capture */ 1455 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1456 if (err < 0) 1457 return err; 1458 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1459 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1460 pcm->private_data = chip; 1461 strcpy(pcm->name, chip->card->shortname); 1462 chip->pcms[1] = pcm; 1463 /* set up playback */ 1464 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1465 /* set up capture */ 1466 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1467 1468 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1469 snd_dma_pci_data(chip->pci), 1470 64*1024, VIA_MAX_BUFSIZE); 1471 return 0; 1472} 1473 1474/* 1475 * create pcm instances for VIA8233A 1476 */ 1477static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1478{ 1479 struct snd_pcm *pcm; 1480 int err; 1481 1482 chip->multi_devno = 0; 1483 chip->playback_devno = 1; 1484 chip->capture_devno = 2; 1485 chip->num_devs = 3; 1486 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1487 1488 /* PCM #0: multi-channel playback and capture */ 1489 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1490 if (err < 0) 1491 return err; 1492 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1493 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1494 pcm->private_data = chip; 1495 strcpy(pcm->name, chip->card->shortname); 1496 chip->pcms[0] = pcm; 1497 /* set up playback */ 1498 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1499 /* capture */ 1500 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1501 1502 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1503 snd_dma_pci_data(chip->pci), 1504 64*1024, VIA_MAX_BUFSIZE); 1505 1506 /* SPDIF supported? */ 1507 if (! ac97_can_spdif(chip->ac97)) 1508 return 0; 1509 1510 /* PCM #1: DXS3 playback (for spdif) */ 1511 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1512 if (err < 0) 1513 return err; 1514 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1515 pcm->private_data = chip; 1516 strcpy(pcm->name, chip->card->shortname); 1517 chip->pcms[1] = pcm; 1518 /* set up playback */ 1519 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1520 1521 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1522 snd_dma_pci_data(chip->pci), 1523 64*1024, VIA_MAX_BUFSIZE); 1524 return 0; 1525} 1526 1527/* 1528 * create a pcm instance for via686a/b 1529 */ 1530static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1531{ 1532 struct snd_pcm *pcm; 1533 int err; 1534 1535 chip->playback_devno = 0; 1536 chip->capture_devno = 1; 1537 chip->num_devs = 2; 1538 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1539 1540 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1541 if (err < 0) 1542 return err; 1543 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1544 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1545 pcm->private_data = chip; 1546 strcpy(pcm->name, chip->card->shortname); 1547 chip->pcms[0] = pcm; 1548 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1549 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1550 1551 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1552 snd_dma_pci_data(chip->pci), 1553 64*1024, VIA_MAX_BUFSIZE); 1554 return 0; 1555} 1556 1557 1558/* 1559 * Mixer part 1560 */ 1561 1562static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1563 struct snd_ctl_elem_info *uinfo) 1564{ 1565 /* formerly they were "Line" and "Mic", but it looks like that they 1566 * have nothing to do with the actual physical connections... 1567 */ 1568 static char *texts[2] = { 1569 "Input1", "Input2" 1570 }; 1571 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1572 uinfo->count = 1; 1573 uinfo->value.enumerated.items = 2; 1574 if (uinfo->value.enumerated.item >= 2) 1575 uinfo->value.enumerated.item = 1; 1576 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1577 return 0; 1578} 1579 1580static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1581 struct snd_ctl_elem_value *ucontrol) 1582{ 1583 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1584 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1585 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1586 return 0; 1587} 1588 1589static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1590 struct snd_ctl_elem_value *ucontrol) 1591{ 1592 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1593 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1594 u8 val, oval; 1595 1596 spin_lock_irq(&chip->reg_lock); 1597 oval = inb(port); 1598 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1599 if (ucontrol->value.enumerated.item[0]) 1600 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1601 if (val != oval) 1602 outb(val, port); 1603 spin_unlock_irq(&chip->reg_lock); 1604 return val != oval; 1605} 1606 1607static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1608 .name = "Input Source Select", 1609 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1610 .info = snd_via8233_capture_source_info, 1611 .get = snd_via8233_capture_source_get, 1612 .put = snd_via8233_capture_source_put, 1613}; 1614 1615#define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1616 1617static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1618 struct snd_ctl_elem_value *ucontrol) 1619{ 1620 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1621 u8 val; 1622 1623 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1624 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1625 return 0; 1626} 1627 1628static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1629 struct snd_ctl_elem_value *ucontrol) 1630{ 1631 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1632 u8 val, oval; 1633 1634 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1635 val = oval & ~VIA8233_SPDIF_DX3; 1636 if (ucontrol->value.integer.value[0]) 1637 val |= VIA8233_SPDIF_DX3; 1638 /* save the spdif flag for rate filtering */ 1639 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1640 if (val != oval) { 1641 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1642 return 1; 1643 } 1644 return 0; 1645} 1646 1647static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1648 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1649 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1650 .info = snd_via8233_dxs3_spdif_info, 1651 .get = snd_via8233_dxs3_spdif_get, 1652 .put = snd_via8233_dxs3_spdif_put, 1653}; 1654 1655static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1656 struct snd_ctl_elem_info *uinfo) 1657{ 1658 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1659 uinfo->count = 2; 1660 uinfo->value.integer.min = 0; 1661 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1662 return 0; 1663} 1664 1665static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1666 struct snd_ctl_elem_value *ucontrol) 1667{ 1668 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1669 unsigned int idx = kcontrol->id.subdevice; 1670 1671 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1672 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1673 return 0; 1674} 1675 1676static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1677 struct snd_ctl_elem_value *ucontrol) 1678{ 1679 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1680 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1681 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1682 return 0; 1683} 1684 1685static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1686 struct snd_ctl_elem_value *ucontrol) 1687{ 1688 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1689 unsigned int idx = kcontrol->id.subdevice; 1690 unsigned long port = chip->port + 0x10 * idx; 1691 unsigned char val; 1692 int i, change = 0; 1693 1694 for (i = 0; i < 2; i++) { 1695 val = ucontrol->value.integer.value[i]; 1696 if (val > VIA_DXS_MAX_VOLUME) 1697 val = VIA_DXS_MAX_VOLUME; 1698 val = VIA_DXS_MAX_VOLUME - val; 1699 change |= val != chip->playback_volume[idx][i]; 1700 if (change) { 1701 chip->playback_volume[idx][i] = val; 1702 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1703 } 1704 } 1705 return change; 1706} 1707 1708static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1709 struct snd_ctl_elem_value *ucontrol) 1710{ 1711 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1712 unsigned int idx; 1713 unsigned char val; 1714 int i, change = 0; 1715 1716 for (i = 0; i < 2; i++) { 1717 val = ucontrol->value.integer.value[i]; 1718 if (val > VIA_DXS_MAX_VOLUME) 1719 val = VIA_DXS_MAX_VOLUME; 1720 val = VIA_DXS_MAX_VOLUME - val; 1721 if (val != chip->playback_volume_c[i]) { 1722 change = 1; 1723 chip->playback_volume_c[i] = val; 1724 for (idx = 0; idx < 4; idx++) { 1725 unsigned long port = chip->port + 0x10 * idx; 1726 chip->playback_volume[idx][i] = val; 1727 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1728 } 1729 } 1730 } 1731 return change; 1732} 1733 1734static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1735 1736static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1737 .name = "PCM Playback Volume", 1738 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1739 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1740 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1741 .info = snd_via8233_dxs_volume_info, 1742 .get = snd_via8233_pcmdxs_volume_get, 1743 .put = snd_via8233_pcmdxs_volume_put, 1744 .tlv = { .p = db_scale_dxs } 1745}; 1746 1747static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1748 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1749 .device = 0, 1750 /* .subdevice set later */ 1751 .name = "PCM Playback Volume", 1752 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1753 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1754 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1755 .info = snd_via8233_dxs_volume_info, 1756 .get = snd_via8233_dxs_volume_get, 1757 .put = snd_via8233_dxs_volume_put, 1758 .tlv = { .p = db_scale_dxs } 1759}; 1760 1761/* 1762 */ 1763 1764static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1765{ 1766 struct via82xx *chip = bus->private_data; 1767 chip->ac97_bus = NULL; 1768} 1769 1770static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1771{ 1772 struct via82xx *chip = ac97->private_data; 1773 chip->ac97 = NULL; 1774} 1775 1776static struct ac97_quirk ac97_quirks[] = { 1777 { 1778 .subvendor = 0x1106, 1779 .subdevice = 0x4161, 1780 .codec_id = 0x56494161, /* VT1612A */ 1781 .name = "Soltek SL-75DRV5", 1782 .type = AC97_TUNE_NONE 1783 }, 1784 { 1785 .subvendor = 0x1106, 1786 .subdevice = 0x4161, 1787 .name = "ASRock K7VT2", 1788 .type = AC97_TUNE_HP_ONLY 1789 }, 1790 { 1791 .subvendor = 0x110a, 1792 .subdevice = 0x0079, 1793 .name = "Fujitsu Siemens D1289", 1794 .type = AC97_TUNE_HP_ONLY 1795 }, 1796 { 1797 .subvendor = 0x1019, 1798 .subdevice = 0x0a81, 1799 .name = "ECS K7VTA3", 1800 .type = AC97_TUNE_HP_ONLY 1801 }, 1802 { 1803 .subvendor = 0x1019, 1804 .subdevice = 0x0a85, 1805 .name = "ECS L7VMM2", 1806 .type = AC97_TUNE_HP_ONLY 1807 }, 1808 { 1809 .subvendor = 0x1019, 1810 .subdevice = 0x1841, 1811 .name = "ECS K7VTA3", 1812 .type = AC97_TUNE_HP_ONLY 1813 }, 1814 { 1815 .subvendor = 0x1849, 1816 .subdevice = 0x3059, 1817 .name = "ASRock K7VM2", 1818 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1819 }, 1820 { 1821 .subvendor = 0x14cd, 1822 .subdevice = 0x7002, 1823 .name = "Unknown", 1824 .type = AC97_TUNE_ALC_JACK 1825 }, 1826 { 1827 .subvendor = 0x1071, 1828 .subdevice = 0x8590, 1829 .name = "Mitac Mobo", 1830 .type = AC97_TUNE_ALC_JACK 1831 }, 1832 { 1833 .subvendor = 0x161f, 1834 .subdevice = 0x202b, 1835 .name = "Arima Notebook", 1836 .type = AC97_TUNE_HP_ONLY, 1837 }, 1838 { 1839 .subvendor = 0x161f, 1840 .subdevice = 0x2032, 1841 .name = "Targa Traveller 811", 1842 .type = AC97_TUNE_HP_ONLY, 1843 }, 1844 { 1845 .subvendor = 0x161f, 1846 .subdevice = 0x2032, 1847 .name = "m680x", 1848 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1849 }, 1850 { 1851 .subvendor = 0x1297, 1852 .subdevice = 0xa232, 1853 .name = "Shuttle AK32VN", 1854 .type = AC97_TUNE_HP_ONLY 1855 }, 1856 { } /* terminator */ 1857}; 1858 1859static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1860{ 1861 struct snd_ac97_template ac97; 1862 int err; 1863 static struct snd_ac97_bus_ops ops = { 1864 .write = snd_via82xx_codec_write, 1865 .read = snd_via82xx_codec_read, 1866 .wait = snd_via82xx_codec_wait, 1867 }; 1868 1869 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1870 return err; 1871 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1872 chip->ac97_bus->clock = chip->ac97_clock; 1873 1874 memset(&ac97, 0, sizeof(ac97)); 1875 ac97.private_data = chip; 1876 ac97.private_free = snd_via82xx_mixer_free_ac97; 1877 ac97.pci = chip->pci; 1878 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1879 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1880 return err; 1881 1882 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1883 1884 if (chip->chip_type != TYPE_VIA686) { 1885 /* use slot 10/11 */ 1886 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1887 } 1888 1889 return 0; 1890} 1891 1892#ifdef SUPPORT_JOYSTICK 1893#define JOYSTICK_ADDR 0x200 1894static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1895{ 1896 struct gameport *gp; 1897 struct resource *r; 1898 1899 if (!joystick) 1900 return -ENODEV; 1901 1902 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1903 if (!r) { 1904 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1905 JOYSTICK_ADDR); 1906 return -EBUSY; 1907 } 1908 1909 chip->gameport = gp = gameport_allocate_port(); 1910 if (!gp) { 1911 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1912 release_and_free_resource(r); 1913 return -ENOMEM; 1914 } 1915 1916 gameport_set_name(gp, "VIA686 Gameport"); 1917 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1918 gameport_set_dev_parent(gp, &chip->pci->dev); 1919 gp->io = JOYSTICK_ADDR; 1920 gameport_set_port_data(gp, r); 1921 1922 /* Enable legacy joystick port */ 1923 *legacy |= VIA_FUNC_ENABLE_GAME; 1924 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1925 1926 gameport_register_port(chip->gameport); 1927 1928 return 0; 1929} 1930 1931static void snd_via686_free_gameport(struct via82xx *chip) 1932{ 1933 if (chip->gameport) { 1934 struct resource *r = gameport_get_port_data(chip->gameport); 1935 1936 gameport_unregister_port(chip->gameport); 1937 chip->gameport = NULL; 1938 release_and_free_resource(r); 1939 } 1940} 1941#else 1942static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1943{ 1944 return -ENOSYS; 1945} 1946static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1947#endif 1948 1949 1950/* 1951 * 1952 */ 1953 1954static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1955{ 1956 int i, err, caps; 1957 unsigned char val; 1958 1959 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1960 for (i = 0; i < caps; i++) { 1961 snd_via8233_capture_source.index = i; 1962 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1963 if (err < 0) 1964 return err; 1965 } 1966 if (ac97_can_spdif(chip->ac97)) { 1967 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1968 if (err < 0) 1969 return err; 1970 } 1971 if (chip->chip_type != TYPE_VIA8233A) { 1972 /* when no h/w PCM volume control is found, use DXS volume control 1973 * as the PCM vol control 1974 */ 1975 struct snd_ctl_elem_id sid; 1976 memset(&sid, 0, sizeof(sid)); 1977 strcpy(sid.name, "PCM Playback Volume"); 1978 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1979 if (! snd_ctl_find_id(chip->card, &sid)) { 1980 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1981 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1982 if (err < 0) 1983 return err; 1984 } 1985 else /* Using DXS when PCM emulation is enabled is really weird */ 1986 { 1987 for (i = 0; i < 4; ++i) { 1988 struct snd_kcontrol *kctl; 1989 1990 kctl = snd_ctl_new1( 1991 &snd_via8233_dxs_volume_control, chip); 1992 if (!kctl) 1993 return -ENOMEM; 1994 kctl->id.subdevice = i; 1995 err = snd_ctl_add(chip->card, kctl); 1996 if (err < 0) 1997 return err; 1998 chip->dxs_controls[i] = kctl; 1999 } 2000 } 2001 } 2002 /* select spdif data slot 10/11 */ 2003 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2004 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2005 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2006 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2007 2008 return 0; 2009} 2010 2011static int __devinit snd_via686_init_misc(struct via82xx *chip) 2012{ 2013 unsigned char legacy, legacy_cfg; 2014 int rev_h = 0; 2015 2016 legacy = chip->old_legacy; 2017 legacy_cfg = chip->old_legacy_cfg; 2018 legacy |= VIA_FUNC_MIDI_IRQMASK; 2019 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2020 if (chip->revision >= VIA_REV_686_H) { 2021 rev_h = 1; 2022 if (mpu_port >= 0x200) { /* force MIDI */ 2023 mpu_port &= 0xfffc; 2024 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2025#ifdef CONFIG_PM 2026 chip->mpu_port_saved = mpu_port; 2027#endif 2028 } else { 2029 mpu_port = pci_resource_start(chip->pci, 2); 2030 } 2031 } else { 2032 switch (mpu_port) { /* force MIDI */ 2033 case 0x300: 2034 case 0x310: 2035 case 0x320: 2036 case 0x330: 2037 legacy_cfg &= ~(3 << 2); 2038 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2039 break; 2040 default: /* no, use BIOS settings */ 2041 if (legacy & VIA_FUNC_ENABLE_MIDI) 2042 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2043 break; 2044 } 2045 } 2046 if (mpu_port >= 0x200 && 2047 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2048 != NULL) { 2049 if (rev_h) 2050 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2051 legacy |= VIA_FUNC_ENABLE_MIDI; 2052 } else { 2053 if (rev_h) 2054 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2055 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2056 mpu_port = 0; 2057 } 2058 2059 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2060 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2061 if (chip->mpu_res) { 2062 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2063 mpu_port, MPU401_INFO_INTEGRATED, 2064 chip->irq, 0, &chip->rmidi) < 0) { 2065 printk(KERN_WARNING "unable to initialize MPU-401" 2066 " at 0x%lx, skipping\n", mpu_port); 2067 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2068 } else { 2069 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2070 } 2071 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2072 } 2073 2074 snd_via686_create_gameport(chip, &legacy); 2075 2076#ifdef CONFIG_PM 2077 chip->legacy_saved = legacy; 2078 chip->legacy_cfg_saved = legacy_cfg; 2079#endif 2080 2081 return 0; 2082} 2083 2084 2085/* 2086 * proc interface 2087 */ 2088static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2089 struct snd_info_buffer *buffer) 2090{ 2091 struct via82xx *chip = entry->private_data; 2092 int i; 2093 2094 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2095 for (i = 0; i < 0xa0; i += 4) { 2096 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2097 } 2098} 2099 2100static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2101{ 2102 struct snd_info_entry *entry; 2103 2104 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2105 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2106} 2107 2108/* 2109 * 2110 */ 2111 2112static int snd_via82xx_chip_init(struct via82xx *chip) 2113{ 2114 unsigned int val; 2115 unsigned long end_time; 2116 unsigned char pval; 2117 2118 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2119 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2120 /* deassert ACLink reset, force SYNC */ 2121 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2122 VIA_ACLINK_CTRL_ENABLE | 2123 VIA_ACLINK_CTRL_RESET | 2124 VIA_ACLINK_CTRL_SYNC); 2125 udelay(100); 2126 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2127 udelay(100); 2128 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2129 /* note - FM data out has trouble with non VRA codecs !! */ 2130 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2131 udelay(100); 2132 } 2133 2134 /* Make sure VRA is enabled, in case we didn't do a 2135 * complete codec reset, above */ 2136 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2137 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2138 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2139 /* note - FM data out has trouble with non VRA codecs !! */ 2140 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2141 udelay(100); 2142 } 2143 2144 /* wait until codec ready */ 2145 end_time = jiffies + msecs_to_jiffies(750); 2146 do { 2147 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2148 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2149 break; 2150 schedule_timeout_uninterruptible(1); 2151 } while (time_before(jiffies, end_time)); 2152 2153 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2154 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2155 2156 2157 if (chip->chip_type == TYPE_VIA686) { 2158 /* route FM trap to IRQ, disable FM trap */ 2159 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2160 /* disable all GPI interrupts */ 2161 outl(0, VIAREG(chip, GPI_INTR)); 2162 } 2163 2164 if (chip->chip_type != TYPE_VIA686) { 2165 struct pci_dev *pci; 2166 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2167 if (pci) { 2168 unsigned char data; 2169 pci_read_config_byte(pci, 0x44, &data); 2170 pci_write_config_byte(pci, 0x44, data | 0x40); 2171 pci_dev_put(pci); 2172 } 2173 } 2174 2175 if (chip->chip_type != TYPE_VIA8233A) { 2176 int i, idx; 2177 for (idx = 0; idx < 4; idx++) { 2178 unsigned long port = chip->port + 0x10 * idx; 2179 for (i = 0; i < 2; i++) { 2180 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2181 outb(chip->playback_volume_c[i], 2182 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2183 } 2184 } 2185 } 2186 2187 return 0; 2188} 2189 2190#ifdef CONFIG_PM 2191/* 2192 * power management 2193 */ 2194static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2195{ 2196 struct snd_card *card = pci_get_drvdata(pci); 2197 struct via82xx *chip = card->private_data; 2198 int i; 2199 2200 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2201 for (i = 0; i < 2; i++) 2202 snd_pcm_suspend_all(chip->pcms[i]); 2203 for (i = 0; i < chip->num_devs; i++) 2204 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2205 synchronize_irq(chip->irq); 2206 snd_ac97_suspend(chip->ac97); 2207 2208 /* save misc values */ 2209 if (chip->chip_type != TYPE_VIA686) { 2210 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2211 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2212 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2213 } 2214 2215 pci_disable_device(pci); 2216 pci_save_state(pci); 2217 pci_set_power_state(pci, pci_choose_state(pci, state)); 2218 return 0; 2219} 2220 2221static int snd_via82xx_resume(struct pci_dev *pci) 2222{ 2223 struct snd_card *card = pci_get_drvdata(pci); 2224 struct via82xx *chip = card->private_data; 2225 int i; 2226 2227 pci_set_power_state(pci, PCI_D0); 2228 pci_restore_state(pci); 2229 if (pci_enable_device(pci) < 0) { 2230 printk(KERN_ERR "via82xx: pci_enable_device failed, " 2231 "disabling device\n"); 2232 snd_card_disconnect(card); 2233 return -EIO; 2234 } 2235 pci_set_master(pci); 2236 2237 snd_via82xx_chip_init(chip); 2238 2239 if (chip->chip_type == TYPE_VIA686) { 2240 if (chip->mpu_port_saved) 2241 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2242 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2243 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2244 } else { 2245 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2246 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2247 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2248 } 2249 2250 snd_ac97_resume(chip->ac97); 2251 2252 for (i = 0; i < chip->num_devs; i++) 2253 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2254 2255 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2256 return 0; 2257} 2258#endif /* CONFIG_PM */ 2259 2260static int snd_via82xx_free(struct via82xx *chip) 2261{ 2262 unsigned int i; 2263 2264 if (chip->irq < 0) 2265 goto __end_hw; 2266 /* disable interrupts */ 2267 for (i = 0; i < chip->num_devs; i++) 2268 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2269 2270 if (chip->irq >= 0) 2271 free_irq(chip->irq, chip); 2272 __end_hw: 2273 release_and_free_resource(chip->mpu_res); 2274 pci_release_regions(chip->pci); 2275 2276 if (chip->chip_type == TYPE_VIA686) { 2277 snd_via686_free_gameport(chip); 2278 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2279 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2280 } 2281 pci_disable_device(chip->pci); 2282 kfree(chip); 2283 return 0; 2284} 2285 2286static int snd_via82xx_dev_free(struct snd_device *device) 2287{ 2288 struct via82xx *chip = device->device_data; 2289 return snd_via82xx_free(chip); 2290} 2291 2292static int __devinit snd_via82xx_create(struct snd_card *card, 2293 struct pci_dev *pci, 2294 int chip_type, 2295 int revision, 2296 unsigned int ac97_clock, 2297 struct via82xx ** r_via) 2298{ 2299 struct via82xx *chip; 2300 int err; 2301 static struct snd_device_ops ops = { 2302 .dev_free = snd_via82xx_dev_free, 2303 }; 2304 2305 if ((err = pci_enable_device(pci)) < 0) 2306 return err; 2307 2308 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2309 pci_disable_device(pci); 2310 return -ENOMEM; 2311 } 2312 2313 chip->chip_type = chip_type; 2314 chip->revision = revision; 2315 2316 spin_lock_init(&chip->reg_lock); 2317 spin_lock_init(&chip->rates[0].lock); 2318 spin_lock_init(&chip->rates[1].lock); 2319 chip->card = card; 2320 chip->pci = pci; 2321 chip->irq = -1; 2322 2323 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2324 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2325 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2326 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2327 2328 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2329 kfree(chip); 2330 pci_disable_device(pci); 2331 return err; 2332 } 2333 chip->port = pci_resource_start(pci, 0); 2334 if (request_irq(pci->irq, 2335 chip_type == TYPE_VIA8233 ? 2336 snd_via8233_interrupt : snd_via686_interrupt, 2337 IRQF_SHARED, 2338 card->driver, chip)) { 2339 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2340 snd_via82xx_free(chip); 2341 return -EBUSY; 2342 } 2343 chip->irq = pci->irq; 2344 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2345 chip->ac97_clock = ac97_clock; 2346 synchronize_irq(chip->irq); 2347 2348 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2349 snd_via82xx_free(chip); 2350 return err; 2351 } 2352 2353 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2354 snd_via82xx_free(chip); 2355 return err; 2356 } 2357 2358 /* The 8233 ac97 controller does not implement the master bit 2359 * in the pci command register. IMHO this is a violation of the PCI spec. 2360 * We call pci_set_master here because it does not hurt. */ 2361 pci_set_master(pci); 2362 2363 snd_card_set_dev(card, &pci->dev); 2364 2365 *r_via = chip; 2366 return 0; 2367} 2368 2369struct via823x_info { 2370 int revision; 2371 char *name; 2372 int type; 2373}; 2374static struct via823x_info via823x_cards[] __devinitdata = { 2375 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2376 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2377 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2378 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2379 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2380 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2381 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2382}; 2383 2384/* 2385 * auto detection of DXS channel supports. 2386 */ 2387 2388static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { 2389 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2390 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2391 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2392 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2393 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2394 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2395 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2396 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2397 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2398 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2399 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2400 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2401 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2402 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2403 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2404 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2405 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2406 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2407 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2408 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2409 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2410 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2411 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2412 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2413 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2414 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2415 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2416 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2417 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2418 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2419 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2420 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2421 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2422 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2423 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2424 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2425 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2426 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2427 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2428 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2429 { } /* terminator */ 2430}; 2431 2432static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2433{ 2434 const struct snd_pci_quirk *w; 2435 2436 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2437 if (w) { 2438 snd_printdd(KERN_INFO "via82xx: DXS white list for %s found\n", 2439 w->name); 2440 return w->value; 2441 } 2442 2443 /* for newer revision, default to DXS_SRC */ 2444 if (revision >= VIA_REV_8235) 2445 return VIA_DXS_SRC; 2446 2447 /* 2448 * not detected, try 48k rate only to be sure. 2449 */ 2450 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2451 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2452 printk(KERN_INFO " and report if it works on your machine.\n"); 2453 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2454 return VIA_DXS_48K; 2455}; 2456 2457static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2458 const struct pci_device_id *pci_id) 2459{ 2460 struct snd_card *card; 2461 struct via82xx *chip; 2462 int chip_type = 0, card_type; 2463 unsigned int i; 2464 int err; 2465 2466 err = snd_card_create(index, id, THIS_MODULE, 0, &card); 2467 if (err < 0) 2468 return err; 2469 2470 card_type = pci_id->driver_data; 2471 switch (card_type) { 2472 case TYPE_CARD_VIA686: 2473 strcpy(card->driver, "VIA686A"); 2474 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2475 chip_type = TYPE_VIA686; 2476 break; 2477 case TYPE_CARD_VIA8233: 2478 chip_type = TYPE_VIA8233; 2479 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2480 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2481 if (pci->revision == via823x_cards[i].revision) { 2482 chip_type = via823x_cards[i].type; 2483 strcpy(card->shortname, via823x_cards[i].name); 2484 break; 2485 } 2486 } 2487 if (chip_type != TYPE_VIA8233A) { 2488 if (dxs_support == VIA_DXS_AUTO) 2489 dxs_support = check_dxs_list(pci, pci->revision); 2490 /* force to use VIA8233 or 8233A model according to 2491 * dxs_support module option 2492 */ 2493 if (dxs_support == VIA_DXS_DISABLE) 2494 chip_type = TYPE_VIA8233A; 2495 else 2496 chip_type = TYPE_VIA8233; 2497 } 2498 if (chip_type == TYPE_VIA8233A) 2499 strcpy(card->driver, "VIA8233A"); 2500 else if (pci->revision >= VIA_REV_8237) 2501 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2502 else 2503 strcpy(card->driver, "VIA8233"); 2504 break; 2505 default: 2506 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2507 err = -EINVAL; 2508 goto __error; 2509 } 2510 2511 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2512 ac97_clock, &chip)) < 0) 2513 goto __error; 2514 card->private_data = chip; 2515 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2516 goto __error; 2517 2518 if (chip_type == TYPE_VIA686) { 2519 if ((err = snd_via686_pcm_new(chip)) < 0 || 2520 (err = snd_via686_init_misc(chip)) < 0) 2521 goto __error; 2522 } else { 2523 if (chip_type == TYPE_VIA8233A) { 2524 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2525 goto __error; 2526 // chip->dxs_fixed = 1; 2527 } else { 2528 if ((err = snd_via8233_pcm_new(chip)) < 0) 2529 goto __error; 2530 if (dxs_support == VIA_DXS_48K) 2531 chip->dxs_fixed = 1; 2532 else if (dxs_support == VIA_DXS_NO_VRA) 2533 chip->no_vra = 1; 2534 else if (dxs_support == VIA_DXS_SRC) { 2535 chip->no_vra = 1; 2536 chip->dxs_src = 1; 2537 } 2538 } 2539 if ((err = snd_via8233_init_misc(chip)) < 0) 2540 goto __error; 2541 } 2542 2543 /* disable interrupts */ 2544 for (i = 0; i < chip->num_devs; i++) 2545 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2546 2547 snprintf(card->longname, sizeof(card->longname), 2548 "%s with %s at %#lx, irq %d", card->shortname, 2549 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2550 2551 snd_via82xx_proc_init(chip); 2552 2553 if ((err = snd_card_register(card)) < 0) { 2554 snd_card_free(card); 2555 return err; 2556 } 2557 pci_set_drvdata(pci, card); 2558 return 0; 2559 2560 __error: 2561 snd_card_free(card); 2562 return err; 2563} 2564 2565static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2566{ 2567 snd_card_free(pci_get_drvdata(pci)); 2568 pci_set_drvdata(pci, NULL); 2569} 2570 2571static struct pci_driver driver = { 2572 .name = "VIA 82xx Audio", 2573 .id_table = snd_via82xx_ids, 2574 .probe = snd_via82xx_probe, 2575 .remove = __devexit_p(snd_via82xx_remove), 2576#ifdef CONFIG_PM 2577 .suspend = snd_via82xx_suspend, 2578 .resume = snd_via82xx_resume, 2579#endif 2580}; 2581 2582static int __init alsa_card_via82xx_init(void) 2583{ 2584 return pci_register_driver(&driver); 2585} 2586 2587static void __exit alsa_card_via82xx_exit(void) 2588{ 2589 pci_unregister_driver(&driver); 2590} 2591 2592module_init(alsa_card_via82xx_init) 2593module_exit(alsa_card_via82xx_exit) 2594