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 #if 0 67 #define POINTER_DEBUG 68 #endif 69 70 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 71 MODULE_DESCRIPTION("VIA VT82xx audio"); 72 MODULE_LICENSE("GPL"); 73 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 74 75 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 76 #define SUPPORT_JOYSTICK 1 77 #endif 78 79 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 80 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 81 static long mpu_port; 82 #ifdef SUPPORT_JOYSTICK 83 static int joystick; 84 #endif 85 static int ac97_clock = 48000; 86 static char *ac97_quirk; 87 static int dxs_support; 88 static int nodelay; 89 90 module_param(index, int, 0444); 91 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 92 module_param(id, charp, 0444); 93 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 94 module_param(mpu_port, long, 0444); 95 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 96 #ifdef SUPPORT_JOYSTICK 97 module_param(joystick, bool, 0444); 98 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 99 #endif 100 module_param(ac97_clock, int, 0444); 101 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 102 module_param(ac97_quirk, charp, 0444); 103 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 104 module_param(dxs_support, int, 0444); 105 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)"); 106 module_param(nodelay, int, 0444); 107 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 108 109 /* just for backward compatibility */ 110 static int enable; 111 module_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) \ 176 enum {\ 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 */ 187 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 188 DEFINE_VIA_REGSET(CAPTURE, 0x10); 189 DEFINE_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 */ 235 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 236 DEFINE_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 /* FIXME: it's 0x40 in the datasheet! */ 280 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 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 */ 312 313 struct 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) 320 321 struct 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 }; 339 340 341 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 342 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 343 344 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 345 346 struct via_rate_lock { 347 spinlock_t lock; 348 int rate; 349 int used; 350 }; 351 352 struct 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 }; 403 404 static struct pci_device_id 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 }; 411 412 MODULE_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 */ 422 static 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 } 490 491 492 static 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 */ 507 508 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 509 { 510 return inl(VIAREG(chip, AC97)); 511 } 512 513 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 514 { 515 outl(val, VIAREG(chip, AC97)); 516 } 517 518 static 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 } 532 533 static 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 } 549 550 static 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 } 559 560 static 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 } 574 575 static 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 } 601 602 static 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 */ 623 static 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 */ 669 static 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 */ 727 static 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)) 776 777 static 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 */ 829 static 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 */ 860 static 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 } 908 unlock: 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 */ 920 static 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 */ 943 static 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 */ 957 static 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 */ 968 static 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 } 981 982 static 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 } 993 994 static 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 */ 1008 static 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 */ 1028 static 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 */ 1070 static 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 #if 0 1092 if (chip->revision == VIA_REV_8233A) 1093 slots = 0; 1094 else 1095 #endif 1096 { 1097 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1098 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1099 switch (runtime->channels) { 1100 case 1: slots = (1<<0) | (1<<4); break; 1101 case 2: slots = (1<<0) | (2<<4); break; 1102 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1103 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1104 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1105 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1106 default: slots = 0; break; 1107 } 1108 } 1109 /* STOP index is never reached */ 1110 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1111 udelay(20); 1112 snd_via82xx_codec_ready(chip, 0); 1113 return 0; 1114 } 1115 1116 /* 1117 * prepare callback for capture on via823x 1118 */ 1119 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1120 { 1121 struct via82xx *chip = snd_pcm_substream_chip(substream); 1122 struct viadev *viadev = substream->runtime->private_data; 1123 struct snd_pcm_runtime *runtime = substream->runtime; 1124 1125 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1126 return -EINVAL; 1127 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1128 snd_via82xx_channel_reset(chip, viadev); 1129 snd_via82xx_set_table_ptr(chip, viadev); 1130 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1131 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1132 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1133 0xff000000, /* STOP index is never reached */ 1134 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1135 udelay(20); 1136 snd_via82xx_codec_ready(chip, 0); 1137 return 0; 1138 } 1139 1140 1141 /* 1142 * pcm hardware definition, identical for both playback and capture 1143 */ 1144 static struct snd_pcm_hardware snd_via82xx_hw = 1145 { 1146 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1147 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1148 SNDRV_PCM_INFO_MMAP_VALID | 1149 /* SNDRV_PCM_INFO_RESUME | */ 1150 SNDRV_PCM_INFO_PAUSE), 1151 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1152 .rates = SNDRV_PCM_RATE_48000, 1153 .rate_min = 48000, 1154 .rate_max = 48000, 1155 .channels_min = 1, 1156 .channels_max = 2, 1157 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1158 .period_bytes_min = 32, 1159 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1160 .periods_min = 2, 1161 .periods_max = VIA_TABLE_SIZE / 2, 1162 .fifo_size = 0, 1163 }; 1164 1165 1166 /* 1167 * open callback skeleton 1168 */ 1169 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1170 struct snd_pcm_substream *substream) 1171 { 1172 struct snd_pcm_runtime *runtime = substream->runtime; 1173 int err; 1174 struct via_rate_lock *ratep; 1175 1176 runtime->hw = snd_via82xx_hw; 1177 1178 /* set the hw rate condition */ 1179 ratep = &chip->rates[viadev->direction]; 1180 spin_lock_irq(&ratep->lock); 1181 ratep->used++; 1182 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1183 /* DXS#3 and spdif is on */ 1184 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1185 snd_pcm_limit_hw_rates(runtime); 1186 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1187 /* fixed DXS playback rate */ 1188 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1189 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1190 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1191 /* use full SRC capabilities of DXS */ 1192 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1193 SNDRV_PCM_RATE_8000_48000); 1194 runtime->hw.rate_min = 8000; 1195 runtime->hw.rate_max = 48000; 1196 } else if (! ratep->rate) { 1197 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1198 runtime->hw.rates = chip->ac97->rates[idx]; 1199 snd_pcm_limit_hw_rates(runtime); 1200 } else { 1201 /* a fixed rate */ 1202 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1203 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1204 } 1205 spin_unlock_irq(&ratep->lock); 1206 1207 /* we may remove following constaint when we modify table entries 1208 in interrupt */ 1209 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1210 return err; 1211 1212 runtime->private_data = viadev; 1213 viadev->substream = substream; 1214 1215 return 0; 1216 } 1217 1218 1219 /* 1220 * open callback for playback on via686 1221 */ 1222 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1223 { 1224 struct via82xx *chip = snd_pcm_substream_chip(substream); 1225 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1226 int err; 1227 1228 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1229 return err; 1230 return 0; 1231 } 1232 1233 /* 1234 * open callback for playback on via823x DXS 1235 */ 1236 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1237 { 1238 struct via82xx *chip = snd_pcm_substream_chip(substream); 1239 struct viadev *viadev; 1240 unsigned int stream; 1241 int err; 1242 1243 viadev = &chip->devs[chip->playback_devno + substream->number]; 1244 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1245 return err; 1246 stream = viadev->reg_offset / 0x10; 1247 if (chip->dxs_controls[stream]) { 1248 chip->playback_volume[stream][0] = 0; 1249 chip->playback_volume[stream][1] = 0; 1250 chip->dxs_controls[stream]->vd[0].access &= 1251 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1252 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1253 SNDRV_CTL_EVENT_MASK_INFO, 1254 &chip->dxs_controls[stream]->id); 1255 } 1256 return 0; 1257 } 1258 1259 /* 1260 * open callback for playback on via823x multi-channel 1261 */ 1262 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1263 { 1264 struct via82xx *chip = snd_pcm_substream_chip(substream); 1265 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1266 int err; 1267 /* channels constraint for VIA8233A 1268 * 3 and 5 channels are not supported 1269 */ 1270 static unsigned int channels[] = { 1271 1, 2, 4, 6 1272 }; 1273 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1274 .count = ARRAY_SIZE(channels), 1275 .list = channels, 1276 .mask = 0, 1277 }; 1278 1279 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1280 return err; 1281 substream->runtime->hw.channels_max = 6; 1282 if (chip->revision == VIA_REV_8233A) 1283 snd_pcm_hw_constraint_list(substream->runtime, 0, 1284 SNDRV_PCM_HW_PARAM_CHANNELS, 1285 &hw_constraints_channels); 1286 return 0; 1287 } 1288 1289 /* 1290 * open callback for capture on via686 and via823x 1291 */ 1292 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1293 { 1294 struct via82xx *chip = snd_pcm_substream_chip(substream); 1295 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1296 1297 return snd_via82xx_pcm_open(chip, viadev, substream); 1298 } 1299 1300 /* 1301 * close callback 1302 */ 1303 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1304 { 1305 struct via82xx *chip = snd_pcm_substream_chip(substream); 1306 struct viadev *viadev = substream->runtime->private_data; 1307 struct via_rate_lock *ratep; 1308 1309 /* release the rate lock */ 1310 ratep = &chip->rates[viadev->direction]; 1311 spin_lock_irq(&ratep->lock); 1312 ratep->used--; 1313 if (! ratep->used) 1314 ratep->rate = 0; 1315 spin_unlock_irq(&ratep->lock); 1316 if (! ratep->rate) { 1317 if (! viadev->direction) { 1318 snd_ac97_update_power(chip->ac97, 1319 AC97_PCM_FRONT_DAC_RATE, 0); 1320 snd_ac97_update_power(chip->ac97, 1321 AC97_PCM_SURR_DAC_RATE, 0); 1322 snd_ac97_update_power(chip->ac97, 1323 AC97_PCM_LFE_DAC_RATE, 0); 1324 } else 1325 snd_ac97_update_power(chip->ac97, 1326 AC97_PCM_LR_ADC_RATE, 0); 1327 } 1328 viadev->substream = NULL; 1329 return 0; 1330 } 1331 1332 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1333 { 1334 struct via82xx *chip = snd_pcm_substream_chip(substream); 1335 struct viadev *viadev = substream->runtime->private_data; 1336 unsigned int stream; 1337 1338 stream = viadev->reg_offset / 0x10; 1339 if (chip->dxs_controls[stream]) { 1340 chip->dxs_controls[stream]->vd[0].access |= 1341 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1342 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1343 &chip->dxs_controls[stream]->id); 1344 } 1345 return snd_via82xx_pcm_close(substream); 1346 } 1347 1348 1349 /* via686 playback callbacks */ 1350 static struct snd_pcm_ops snd_via686_playback_ops = { 1351 .open = snd_via686_playback_open, 1352 .close = snd_via82xx_pcm_close, 1353 .ioctl = snd_pcm_lib_ioctl, 1354 .hw_params = snd_via82xx_hw_params, 1355 .hw_free = snd_via82xx_hw_free, 1356 .prepare = snd_via686_playback_prepare, 1357 .trigger = snd_via82xx_pcm_trigger, 1358 .pointer = snd_via686_pcm_pointer, 1359 .page = snd_pcm_sgbuf_ops_page, 1360 }; 1361 1362 /* via686 capture callbacks */ 1363 static struct snd_pcm_ops snd_via686_capture_ops = { 1364 .open = snd_via82xx_capture_open, 1365 .close = snd_via82xx_pcm_close, 1366 .ioctl = snd_pcm_lib_ioctl, 1367 .hw_params = snd_via82xx_hw_params, 1368 .hw_free = snd_via82xx_hw_free, 1369 .prepare = snd_via686_capture_prepare, 1370 .trigger = snd_via82xx_pcm_trigger, 1371 .pointer = snd_via686_pcm_pointer, 1372 .page = snd_pcm_sgbuf_ops_page, 1373 }; 1374 1375 /* via823x DSX playback callbacks */ 1376 static struct snd_pcm_ops snd_via8233_playback_ops = { 1377 .open = snd_via8233_playback_open, 1378 .close = snd_via8233_playback_close, 1379 .ioctl = snd_pcm_lib_ioctl, 1380 .hw_params = snd_via82xx_hw_params, 1381 .hw_free = snd_via82xx_hw_free, 1382 .prepare = snd_via8233_playback_prepare, 1383 .trigger = snd_via82xx_pcm_trigger, 1384 .pointer = snd_via8233_pcm_pointer, 1385 .page = snd_pcm_sgbuf_ops_page, 1386 }; 1387 1388 /* via823x multi-channel playback callbacks */ 1389 static struct snd_pcm_ops snd_via8233_multi_ops = { 1390 .open = snd_via8233_multi_open, 1391 .close = snd_via82xx_pcm_close, 1392 .ioctl = snd_pcm_lib_ioctl, 1393 .hw_params = snd_via82xx_hw_params, 1394 .hw_free = snd_via82xx_hw_free, 1395 .prepare = snd_via8233_multi_prepare, 1396 .trigger = snd_via82xx_pcm_trigger, 1397 .pointer = snd_via8233_pcm_pointer, 1398 .page = snd_pcm_sgbuf_ops_page, 1399 }; 1400 1401 /* via823x capture callbacks */ 1402 static struct snd_pcm_ops snd_via8233_capture_ops = { 1403 .open = snd_via82xx_capture_open, 1404 .close = snd_via82xx_pcm_close, 1405 .ioctl = snd_pcm_lib_ioctl, 1406 .hw_params = snd_via82xx_hw_params, 1407 .hw_free = snd_via82xx_hw_free, 1408 .prepare = snd_via8233_capture_prepare, 1409 .trigger = snd_via82xx_pcm_trigger, 1410 .pointer = snd_via8233_pcm_pointer, 1411 .page = snd_pcm_sgbuf_ops_page, 1412 }; 1413 1414 1415 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1416 int shadow_pos, int direction) 1417 { 1418 chip->devs[idx].reg_offset = reg_offset; 1419 chip->devs[idx].shadow_shift = shadow_pos * 4; 1420 chip->devs[idx].direction = direction; 1421 chip->devs[idx].port = chip->port + reg_offset; 1422 } 1423 1424 /* 1425 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1426 */ 1427 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1428 { 1429 struct snd_pcm *pcm; 1430 int i, err; 1431 1432 chip->playback_devno = 0; /* x 4 */ 1433 chip->multi_devno = 4; /* x 1 */ 1434 chip->capture_devno = 5; /* x 2 */ 1435 chip->num_devs = 7; 1436 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1437 1438 /* PCM #0: 4 DSX playbacks and 1 capture */ 1439 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1440 if (err < 0) 1441 return err; 1442 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1443 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1444 pcm->private_data = chip; 1445 strcpy(pcm->name, chip->card->shortname); 1446 chip->pcms[0] = pcm; 1447 /* set up playbacks */ 1448 for (i = 0; i < 4; i++) 1449 init_viadev(chip, i, 0x10 * i, i, 0); 1450 /* capture */ 1451 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1452 1453 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1454 snd_dma_pci_data(chip->pci), 1455 64*1024, VIA_MAX_BUFSIZE); 1456 1457 /* PCM #1: multi-channel playback and 2nd capture */ 1458 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1459 if (err < 0) 1460 return err; 1461 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1462 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1463 pcm->private_data = chip; 1464 strcpy(pcm->name, chip->card->shortname); 1465 chip->pcms[1] = pcm; 1466 /* set up playback */ 1467 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1468 /* set up capture */ 1469 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1470 1471 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1472 snd_dma_pci_data(chip->pci), 1473 64*1024, VIA_MAX_BUFSIZE); 1474 return 0; 1475 } 1476 1477 /* 1478 * create pcm instances for VIA8233A 1479 */ 1480 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1481 { 1482 struct snd_pcm *pcm; 1483 int err; 1484 1485 chip->multi_devno = 0; 1486 chip->playback_devno = 1; 1487 chip->capture_devno = 2; 1488 chip->num_devs = 3; 1489 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1490 1491 /* PCM #0: multi-channel playback and capture */ 1492 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1493 if (err < 0) 1494 return err; 1495 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1496 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1497 pcm->private_data = chip; 1498 strcpy(pcm->name, chip->card->shortname); 1499 chip->pcms[0] = pcm; 1500 /* set up playback */ 1501 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1502 /* capture */ 1503 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1504 1505 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1506 snd_dma_pci_data(chip->pci), 1507 64*1024, VIA_MAX_BUFSIZE); 1508 1509 /* SPDIF supported? */ 1510 if (! ac97_can_spdif(chip->ac97)) 1511 return 0; 1512 1513 /* PCM #1: DXS3 playback (for spdif) */ 1514 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1515 if (err < 0) 1516 return err; 1517 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1518 pcm->private_data = chip; 1519 strcpy(pcm->name, chip->card->shortname); 1520 chip->pcms[1] = pcm; 1521 /* set up playback */ 1522 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1523 1524 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1525 snd_dma_pci_data(chip->pci), 1526 64*1024, VIA_MAX_BUFSIZE); 1527 return 0; 1528 } 1529 1530 /* 1531 * create a pcm instance for via686a/b 1532 */ 1533 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1534 { 1535 struct snd_pcm *pcm; 1536 int err; 1537 1538 chip->playback_devno = 0; 1539 chip->capture_devno = 1; 1540 chip->num_devs = 2; 1541 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1542 1543 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1544 if (err < 0) 1545 return err; 1546 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1547 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1548 pcm->private_data = chip; 1549 strcpy(pcm->name, chip->card->shortname); 1550 chip->pcms[0] = pcm; 1551 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1552 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1553 1554 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1555 snd_dma_pci_data(chip->pci), 1556 64*1024, VIA_MAX_BUFSIZE); 1557 return 0; 1558 } 1559 1560 1561 /* 1562 * Mixer part 1563 */ 1564 1565 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1566 struct snd_ctl_elem_info *uinfo) 1567 { 1568 /* formerly they were "Line" and "Mic", but it looks like that they 1569 * have nothing to do with the actual physical connections... 1570 */ 1571 static char *texts[2] = { 1572 "Input1", "Input2" 1573 }; 1574 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1575 uinfo->count = 1; 1576 uinfo->value.enumerated.items = 2; 1577 if (uinfo->value.enumerated.item >= 2) 1578 uinfo->value.enumerated.item = 1; 1579 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1580 return 0; 1581 } 1582 1583 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1584 struct snd_ctl_elem_value *ucontrol) 1585 { 1586 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1587 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1588 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1589 return 0; 1590 } 1591 1592 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1593 struct snd_ctl_elem_value *ucontrol) 1594 { 1595 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1596 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1597 u8 val, oval; 1598 1599 spin_lock_irq(&chip->reg_lock); 1600 oval = inb(port); 1601 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1602 if (ucontrol->value.enumerated.item[0]) 1603 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1604 if (val != oval) 1605 outb(val, port); 1606 spin_unlock_irq(&chip->reg_lock); 1607 return val != oval; 1608 } 1609 1610 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1611 .name = "Input Source Select", 1612 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1613 .info = snd_via8233_capture_source_info, 1614 .get = snd_via8233_capture_source_get, 1615 .put = snd_via8233_capture_source_put, 1616 }; 1617 1618 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1619 1620 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1621 struct snd_ctl_elem_value *ucontrol) 1622 { 1623 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1624 u8 val; 1625 1626 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1627 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1628 return 0; 1629 } 1630 1631 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1632 struct snd_ctl_elem_value *ucontrol) 1633 { 1634 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1635 u8 val, oval; 1636 1637 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1638 val = oval & ~VIA8233_SPDIF_DX3; 1639 if (ucontrol->value.integer.value[0]) 1640 val |= VIA8233_SPDIF_DX3; 1641 /* save the spdif flag for rate filtering */ 1642 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1643 if (val != oval) { 1644 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1645 return 1; 1646 } 1647 return 0; 1648 } 1649 1650 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1651 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1652 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1653 .info = snd_via8233_dxs3_spdif_info, 1654 .get = snd_via8233_dxs3_spdif_get, 1655 .put = snd_via8233_dxs3_spdif_put, 1656 }; 1657 1658 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1659 struct snd_ctl_elem_info *uinfo) 1660 { 1661 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1662 uinfo->count = 2; 1663 uinfo->value.integer.min = 0; 1664 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1665 return 0; 1666 } 1667 1668 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1669 struct snd_ctl_elem_value *ucontrol) 1670 { 1671 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1672 unsigned int idx = kcontrol->id.subdevice; 1673 1674 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1675 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1676 return 0; 1677 } 1678 1679 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1680 struct snd_ctl_elem_value *ucontrol) 1681 { 1682 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1683 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1684 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1685 return 0; 1686 } 1687 1688 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1689 struct snd_ctl_elem_value *ucontrol) 1690 { 1691 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1692 unsigned int idx = kcontrol->id.subdevice; 1693 unsigned long port = chip->port + 0x10 * idx; 1694 unsigned char val; 1695 int i, change = 0; 1696 1697 for (i = 0; i < 2; i++) { 1698 val = ucontrol->value.integer.value[i]; 1699 if (val > VIA_DXS_MAX_VOLUME) 1700 val = VIA_DXS_MAX_VOLUME; 1701 val = VIA_DXS_MAX_VOLUME - val; 1702 change |= val != chip->playback_volume[idx][i]; 1703 if (change) { 1704 chip->playback_volume[idx][i] = val; 1705 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1706 } 1707 } 1708 return change; 1709 } 1710 1711 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1712 struct snd_ctl_elem_value *ucontrol) 1713 { 1714 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1715 unsigned int idx; 1716 unsigned char val; 1717 int i, change = 0; 1718 1719 for (i = 0; i < 2; i++) { 1720 val = ucontrol->value.integer.value[i]; 1721 if (val > VIA_DXS_MAX_VOLUME) 1722 val = VIA_DXS_MAX_VOLUME; 1723 val = VIA_DXS_MAX_VOLUME - val; 1724 if (val != chip->playback_volume_c[i]) { 1725 change = 1; 1726 chip->playback_volume_c[i] = val; 1727 for (idx = 0; idx < 4; idx++) { 1728 unsigned long port = chip->port + 0x10 * idx; 1729 chip->playback_volume[idx][i] = val; 1730 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1731 } 1732 } 1733 } 1734 return change; 1735 } 1736 1737 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1738 1739 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1740 .name = "PCM Playback Volume", 1741 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1742 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1743 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1744 .info = snd_via8233_dxs_volume_info, 1745 .get = snd_via8233_pcmdxs_volume_get, 1746 .put = snd_via8233_pcmdxs_volume_put, 1747 .tlv = { .p = db_scale_dxs } 1748 }; 1749 1750 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1751 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1752 .device = 0, 1753 /* .subdevice set later */ 1754 .name = "PCM Playback Volume", 1755 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1756 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1757 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1758 .info = snd_via8233_dxs_volume_info, 1759 .get = snd_via8233_dxs_volume_get, 1760 .put = snd_via8233_dxs_volume_put, 1761 .tlv = { .p = db_scale_dxs } 1762 }; 1763 1764 /* 1765 */ 1766 1767 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1768 { 1769 struct via82xx *chip = bus->private_data; 1770 chip->ac97_bus = NULL; 1771 } 1772 1773 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1774 { 1775 struct via82xx *chip = ac97->private_data; 1776 chip->ac97 = NULL; 1777 } 1778 1779 static struct ac97_quirk ac97_quirks[] = { 1780 { 1781 .subvendor = 0x1106, 1782 .subdevice = 0x4161, 1783 .codec_id = 0x56494161, /* VT1612A */ 1784 .name = "Soltek SL-75DRV5", 1785 .type = AC97_TUNE_NONE 1786 }, 1787 { /* FIXME: which codec? */ 1788 .subvendor = 0x1106, 1789 .subdevice = 0x4161, 1790 .name = "ASRock K7VT2", 1791 .type = AC97_TUNE_HP_ONLY 1792 }, 1793 { 1794 .subvendor = 0x110a, 1795 .subdevice = 0x0079, 1796 .name = "Fujitsu Siemens D1289", 1797 .type = AC97_TUNE_HP_ONLY 1798 }, 1799 { 1800 .subvendor = 0x1019, 1801 .subdevice = 0x0a81, 1802 .name = "ECS K7VTA3", 1803 .type = AC97_TUNE_HP_ONLY 1804 }, 1805 { 1806 .subvendor = 0x1019, 1807 .subdevice = 0x0a85, 1808 .name = "ECS L7VMM2", 1809 .type = AC97_TUNE_HP_ONLY 1810 }, 1811 { 1812 .subvendor = 0x1019, 1813 .subdevice = 0x1841, 1814 .name = "ECS K7VTA3", 1815 .type = AC97_TUNE_HP_ONLY 1816 }, 1817 { 1818 .subvendor = 0x1849, 1819 .subdevice = 0x3059, 1820 .name = "ASRock K7VM2", 1821 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1822 }, 1823 { 1824 .subvendor = 0x14cd, 1825 .subdevice = 0x7002, 1826 .name = "Unknown", 1827 .type = AC97_TUNE_ALC_JACK 1828 }, 1829 { 1830 .subvendor = 0x1071, 1831 .subdevice = 0x8590, 1832 .name = "Mitac Mobo", 1833 .type = AC97_TUNE_ALC_JACK 1834 }, 1835 { 1836 .subvendor = 0x161f, 1837 .subdevice = 0x202b, 1838 .name = "Arima Notebook", 1839 .type = AC97_TUNE_HP_ONLY, 1840 }, 1841 { 1842 .subvendor = 0x161f, 1843 .subdevice = 0x2032, 1844 .name = "Targa Traveller 811", 1845 .type = AC97_TUNE_HP_ONLY, 1846 }, 1847 { 1848 .subvendor = 0x161f, 1849 .subdevice = 0x2032, 1850 .name = "m680x", 1851 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1852 }, 1853 { 1854 .subvendor = 0x1297, 1855 .subdevice = 0xa232, 1856 .name = "Shuttle AK32VN", 1857 .type = AC97_TUNE_HP_ONLY 1858 }, 1859 { } /* terminator */ 1860 }; 1861 1862 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1863 { 1864 struct snd_ac97_template ac97; 1865 int err; 1866 static struct snd_ac97_bus_ops ops = { 1867 .write = snd_via82xx_codec_write, 1868 .read = snd_via82xx_codec_read, 1869 .wait = snd_via82xx_codec_wait, 1870 }; 1871 1872 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1873 return err; 1874 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1875 chip->ac97_bus->clock = chip->ac97_clock; 1876 1877 memset(&ac97, 0, sizeof(ac97)); 1878 ac97.private_data = chip; 1879 ac97.private_free = snd_via82xx_mixer_free_ac97; 1880 ac97.pci = chip->pci; 1881 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1882 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1883 return err; 1884 1885 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1886 1887 if (chip->chip_type != TYPE_VIA686) { 1888 /* use slot 10/11 */ 1889 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1890 } 1891 1892 return 0; 1893 } 1894 1895 #ifdef SUPPORT_JOYSTICK 1896 #define JOYSTICK_ADDR 0x200 1897 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1898 { 1899 struct gameport *gp; 1900 struct resource *r; 1901 1902 if (!joystick) 1903 return -ENODEV; 1904 1905 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1906 if (!r) { 1907 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1908 JOYSTICK_ADDR); 1909 return -EBUSY; 1910 } 1911 1912 chip->gameport = gp = gameport_allocate_port(); 1913 if (!gp) { 1914 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1915 release_and_free_resource(r); 1916 return -ENOMEM; 1917 } 1918 1919 gameport_set_name(gp, "VIA686 Gameport"); 1920 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1921 gameport_set_dev_parent(gp, &chip->pci->dev); 1922 gp->io = JOYSTICK_ADDR; 1923 gameport_set_port_data(gp, r); 1924 1925 /* Enable legacy joystick port */ 1926 *legacy |= VIA_FUNC_ENABLE_GAME; 1927 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1928 1929 gameport_register_port(chip->gameport); 1930 1931 return 0; 1932 } 1933 1934 static void snd_via686_free_gameport(struct via82xx *chip) 1935 { 1936 if (chip->gameport) { 1937 struct resource *r = gameport_get_port_data(chip->gameport); 1938 1939 gameport_unregister_port(chip->gameport); 1940 chip->gameport = NULL; 1941 release_and_free_resource(r); 1942 } 1943 } 1944 #else 1945 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1946 { 1947 return -ENOSYS; 1948 } 1949 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1950 #endif 1951 1952 1953 /* 1954 * 1955 */ 1956 1957 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1958 { 1959 int i, err, caps; 1960 unsigned char val; 1961 1962 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1963 for (i = 0; i < caps; i++) { 1964 snd_via8233_capture_source.index = i; 1965 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1966 if (err < 0) 1967 return err; 1968 } 1969 if (ac97_can_spdif(chip->ac97)) { 1970 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1971 if (err < 0) 1972 return err; 1973 } 1974 if (chip->chip_type != TYPE_VIA8233A) { 1975 /* when no h/w PCM volume control is found, use DXS volume control 1976 * as the PCM vol control 1977 */ 1978 struct snd_ctl_elem_id sid; 1979 memset(&sid, 0, sizeof(sid)); 1980 strcpy(sid.name, "PCM Playback Volume"); 1981 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1982 if (! snd_ctl_find_id(chip->card, &sid)) { 1983 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1984 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1985 if (err < 0) 1986 return err; 1987 } 1988 else /* Using DXS when PCM emulation is enabled is really weird */ 1989 { 1990 for (i = 0; i < 4; ++i) { 1991 struct snd_kcontrol *kctl; 1992 1993 kctl = snd_ctl_new1( 1994 &snd_via8233_dxs_volume_control, chip); 1995 if (!kctl) 1996 return -ENOMEM; 1997 kctl->id.subdevice = i; 1998 err = snd_ctl_add(chip->card, kctl); 1999 if (err < 0) 2000 return err; 2001 chip->dxs_controls[i] = kctl; 2002 } 2003 } 2004 } 2005 /* select spdif data slot 10/11 */ 2006 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2007 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2008 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2009 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2010 2011 return 0; 2012 } 2013 2014 static int __devinit snd_via686_init_misc(struct via82xx *chip) 2015 { 2016 unsigned char legacy, legacy_cfg; 2017 int rev_h = 0; 2018 2019 legacy = chip->old_legacy; 2020 legacy_cfg = chip->old_legacy_cfg; 2021 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2022 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2023 if (chip->revision >= VIA_REV_686_H) { 2024 rev_h = 1; 2025 if (mpu_port >= 0x200) { /* force MIDI */ 2026 mpu_port &= 0xfffc; 2027 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2028 #ifdef CONFIG_PM 2029 chip->mpu_port_saved = mpu_port; 2030 #endif 2031 } else { 2032 mpu_port = pci_resource_start(chip->pci, 2); 2033 } 2034 } else { 2035 switch (mpu_port) { /* force MIDI */ 2036 case 0x300: 2037 case 0x310: 2038 case 0x320: 2039 case 0x330: 2040 legacy_cfg &= ~(3 << 2); 2041 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2042 break; 2043 default: /* no, use BIOS settings */ 2044 if (legacy & VIA_FUNC_ENABLE_MIDI) 2045 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2046 break; 2047 } 2048 } 2049 if (mpu_port >= 0x200 && 2050 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2051 != NULL) { 2052 if (rev_h) 2053 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2054 legacy |= VIA_FUNC_ENABLE_MIDI; 2055 } else { 2056 if (rev_h) 2057 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2058 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2059 mpu_port = 0; 2060 } 2061 2062 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2063 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2064 if (chip->mpu_res) { 2065 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2066 mpu_port, MPU401_INFO_INTEGRATED, 2067 chip->irq, 0, &chip->rmidi) < 0) { 2068 printk(KERN_WARNING "unable to initialize MPU-401" 2069 " at 0x%lx, skipping\n", mpu_port); 2070 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2071 } else { 2072 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2073 } 2074 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2075 } 2076 2077 snd_via686_create_gameport(chip, &legacy); 2078 2079 #ifdef CONFIG_PM 2080 chip->legacy_saved = legacy; 2081 chip->legacy_cfg_saved = legacy_cfg; 2082 #endif 2083 2084 return 0; 2085 } 2086 2087 2088 /* 2089 * proc interface 2090 */ 2091 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2092 struct snd_info_buffer *buffer) 2093 { 2094 struct via82xx *chip = entry->private_data; 2095 int i; 2096 2097 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2098 for (i = 0; i < 0xa0; i += 4) { 2099 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2100 } 2101 } 2102 2103 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2104 { 2105 struct snd_info_entry *entry; 2106 2107 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2108 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2109 } 2110 2111 /* 2112 * 2113 */ 2114 2115 static int snd_via82xx_chip_init(struct via82xx *chip) 2116 { 2117 unsigned int val; 2118 unsigned long end_time; 2119 unsigned char pval; 2120 2121 #if 0 /* broken on K7M? */ 2122 if (chip->chip_type == TYPE_VIA686) 2123 /* disable all legacy ports */ 2124 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2125 #endif 2126 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2127 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2128 /* deassert ACLink reset, force SYNC */ 2129 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2130 VIA_ACLINK_CTRL_ENABLE | 2131 VIA_ACLINK_CTRL_RESET | 2132 VIA_ACLINK_CTRL_SYNC); 2133 udelay(100); 2134 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2135 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2136 udelay(100); 2137 #else 2138 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2139 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2140 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2141 udelay(2); 2142 #endif 2143 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2144 /* note - FM data out has trouble with non VRA codecs !! */ 2145 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2146 udelay(100); 2147 } 2148 2149 /* Make sure VRA is enabled, in case we didn't do a 2150 * complete codec reset, above */ 2151 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2152 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2153 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2154 /* note - FM data out has trouble with non VRA codecs !! */ 2155 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2156 udelay(100); 2157 } 2158 2159 /* wait until codec ready */ 2160 end_time = jiffies + msecs_to_jiffies(750); 2161 do { 2162 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2163 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2164 break; 2165 schedule_timeout_uninterruptible(1); 2166 } while (time_before(jiffies, end_time)); 2167 2168 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2169 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2170 2171 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2172 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2173 VIA_REG_AC97_SECONDARY_VALID | 2174 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2175 end_time = jiffies + msecs_to_jiffies(750); 2176 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2177 VIA_REG_AC97_SECONDARY_VALID | 2178 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2179 do { 2180 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2181 chip->ac97_secondary = 1; 2182 goto __ac97_ok2; 2183 } 2184 schedule_timeout_uninterruptible(1); 2185 } while (time_before(jiffies, end_time)); 2186 /* This is ok, the most of motherboards have only one codec */ 2187 2188 __ac97_ok2: 2189 #endif 2190 2191 if (chip->chip_type == TYPE_VIA686) { 2192 /* route FM trap to IRQ, disable FM trap */ 2193 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2194 /* disable all GPI interrupts */ 2195 outl(0, VIAREG(chip, GPI_INTR)); 2196 } 2197 2198 if (chip->chip_type != TYPE_VIA686) { 2199 /* Workaround for Award BIOS bug: 2200 * DXS channels don't work properly with VRA if MC97 is disabled. 2201 */ 2202 struct pci_dev *pci; 2203 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2204 if (pci) { 2205 unsigned char data; 2206 pci_read_config_byte(pci, 0x44, &data); 2207 pci_write_config_byte(pci, 0x44, data | 0x40); 2208 pci_dev_put(pci); 2209 } 2210 } 2211 2212 if (chip->chip_type != TYPE_VIA8233A) { 2213 int i, idx; 2214 for (idx = 0; idx < 4; idx++) { 2215 unsigned long port = chip->port + 0x10 * idx; 2216 for (i = 0; i < 2; i++) { 2217 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2218 outb(chip->playback_volume_c[i], 2219 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2220 } 2221 } 2222 } 2223 2224 return 0; 2225 } 2226 2227 #ifdef CONFIG_PM 2228 /* 2229 * power management 2230 */ 2231 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2232 { 2233 struct snd_card *card = pci_get_drvdata(pci); 2234 struct via82xx *chip = card->private_data; 2235 int i; 2236 2237 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2238 for (i = 0; i < 2; i++) 2239 snd_pcm_suspend_all(chip->pcms[i]); 2240 for (i = 0; i < chip->num_devs; i++) 2241 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2242 synchronize_irq(chip->irq); 2243 snd_ac97_suspend(chip->ac97); 2244 2245 /* save misc values */ 2246 if (chip->chip_type != TYPE_VIA686) { 2247 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2248 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2249 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2250 } 2251 2252 pci_disable_device(pci); 2253 pci_save_state(pci); 2254 pci_set_power_state(pci, pci_choose_state(pci, state)); 2255 return 0; 2256 } 2257 2258 static int snd_via82xx_resume(struct pci_dev *pci) 2259 { 2260 struct snd_card *card = pci_get_drvdata(pci); 2261 struct via82xx *chip = card->private_data; 2262 int i; 2263 2264 pci_set_power_state(pci, PCI_D0); 2265 pci_restore_state(pci); 2266 if (pci_enable_device(pci) < 0) { 2267 printk(KERN_ERR "via82xx: pci_enable_device failed, " 2268 "disabling device\n"); 2269 snd_card_disconnect(card); 2270 return -EIO; 2271 } 2272 pci_set_master(pci); 2273 2274 snd_via82xx_chip_init(chip); 2275 2276 if (chip->chip_type == TYPE_VIA686) { 2277 if (chip->mpu_port_saved) 2278 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2279 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2280 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2281 } else { 2282 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2283 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2284 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2285 } 2286 2287 snd_ac97_resume(chip->ac97); 2288 2289 for (i = 0; i < chip->num_devs; i++) 2290 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2291 2292 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2293 return 0; 2294 } 2295 #endif /* CONFIG_PM */ 2296 2297 static int snd_via82xx_free(struct via82xx *chip) 2298 { 2299 unsigned int i; 2300 2301 if (chip->irq < 0) 2302 goto __end_hw; 2303 /* disable interrupts */ 2304 for (i = 0; i < chip->num_devs; i++) 2305 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2306 2307 if (chip->irq >= 0) 2308 free_irq(chip->irq, chip); 2309 __end_hw: 2310 release_and_free_resource(chip->mpu_res); 2311 pci_release_regions(chip->pci); 2312 2313 if (chip->chip_type == TYPE_VIA686) { 2314 snd_via686_free_gameport(chip); 2315 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2316 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2317 } 2318 pci_disable_device(chip->pci); 2319 kfree(chip); 2320 return 0; 2321 } 2322 2323 static int snd_via82xx_dev_free(struct snd_device *device) 2324 { 2325 struct via82xx *chip = device->device_data; 2326 return snd_via82xx_free(chip); 2327 } 2328 2329 static int __devinit snd_via82xx_create(struct snd_card *card, 2330 struct pci_dev *pci, 2331 int chip_type, 2332 int revision, 2333 unsigned int ac97_clock, 2334 struct via82xx ** r_via) 2335 { 2336 struct via82xx *chip; 2337 int err; 2338 static struct snd_device_ops ops = { 2339 .dev_free = snd_via82xx_dev_free, 2340 }; 2341 2342 if ((err = pci_enable_device(pci)) < 0) 2343 return err; 2344 2345 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2346 pci_disable_device(pci); 2347 return -ENOMEM; 2348 } 2349 2350 chip->chip_type = chip_type; 2351 chip->revision = revision; 2352 2353 spin_lock_init(&chip->reg_lock); 2354 spin_lock_init(&chip->rates[0].lock); 2355 spin_lock_init(&chip->rates[1].lock); 2356 chip->card = card; 2357 chip->pci = pci; 2358 chip->irq = -1; 2359 2360 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2361 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2362 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2363 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2364 2365 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2366 kfree(chip); 2367 pci_disable_device(pci); 2368 return err; 2369 } 2370 chip->port = pci_resource_start(pci, 0); 2371 if (request_irq(pci->irq, 2372 chip_type == TYPE_VIA8233 ? 2373 snd_via8233_interrupt : snd_via686_interrupt, 2374 IRQF_SHARED, 2375 card->driver, chip)) { 2376 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2377 snd_via82xx_free(chip); 2378 return -EBUSY; 2379 } 2380 chip->irq = pci->irq; 2381 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2382 chip->ac97_clock = ac97_clock; 2383 synchronize_irq(chip->irq); 2384 2385 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2386 snd_via82xx_free(chip); 2387 return err; 2388 } 2389 2390 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2391 snd_via82xx_free(chip); 2392 return err; 2393 } 2394 2395 /* The 8233 ac97 controller does not implement the master bit 2396 * in the pci command register. IMHO this is a violation of the PCI spec. 2397 * We call pci_set_master here because it does not hurt. */ 2398 pci_set_master(pci); 2399 2400 snd_card_set_dev(card, &pci->dev); 2401 2402 *r_via = chip; 2403 return 0; 2404 } 2405 2406 struct via823x_info { 2407 int revision; 2408 char *name; 2409 int type; 2410 }; 2411 static struct via823x_info via823x_cards[] __devinitdata = { 2412 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2413 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2414 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2415 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2416 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2417 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2418 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2419 }; 2420 2421 /* 2422 * auto detection of DXS channel supports. 2423 */ 2424 2425 static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { 2426 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2427 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2428 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2429 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2430 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2431 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2432 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2433 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2434 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2435 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2436 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2437 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2438 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2439 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2440 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2441 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2442 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2443 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2444 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2445 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2446 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2447 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2448 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2449 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2450 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2451 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2452 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2453 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2454 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2455 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2456 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2457 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2458 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2459 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2460 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2461 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2462 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2463 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2464 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2465 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2466 { } /* terminator */ 2467 }; 2468 2469 static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2470 { 2471 const struct snd_pci_quirk *w; 2472 2473 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2474 if (w) { 2475 snd_printdd(KERN_INFO "via82xx: DXS white list for %s found\n", 2476 w->name); 2477 return w->value; 2478 } 2479 2480 /* for newer revision, default to DXS_SRC */ 2481 if (revision >= VIA_REV_8235) 2482 return VIA_DXS_SRC; 2483 2484 /* 2485 * not detected, try 48k rate only to be sure. 2486 */ 2487 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2488 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2489 printk(KERN_INFO " and report if it works on your machine.\n"); 2490 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2491 return VIA_DXS_48K; 2492 }; 2493 2494 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2495 const struct pci_device_id *pci_id) 2496 { 2497 struct snd_card *card; 2498 struct via82xx *chip; 2499 int chip_type = 0, card_type; 2500 unsigned int i; 2501 int err; 2502 2503 err = snd_card_create(index, id, THIS_MODULE, 0, &card); 2504 if (err < 0) 2505 return err; 2506 2507 card_type = pci_id->driver_data; 2508 switch (card_type) { 2509 case TYPE_CARD_VIA686: 2510 strcpy(card->driver, "VIA686A"); 2511 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2512 chip_type = TYPE_VIA686; 2513 break; 2514 case TYPE_CARD_VIA8233: 2515 chip_type = TYPE_VIA8233; 2516 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2517 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2518 if (pci->revision == via823x_cards[i].revision) { 2519 chip_type = via823x_cards[i].type; 2520 strcpy(card->shortname, via823x_cards[i].name); 2521 break; 2522 } 2523 } 2524 if (chip_type != TYPE_VIA8233A) { 2525 if (dxs_support == VIA_DXS_AUTO) 2526 dxs_support = check_dxs_list(pci, pci->revision); 2527 /* force to use VIA8233 or 8233A model according to 2528 * dxs_support module option 2529 */ 2530 if (dxs_support == VIA_DXS_DISABLE) 2531 chip_type = TYPE_VIA8233A; 2532 else 2533 chip_type = TYPE_VIA8233; 2534 } 2535 if (chip_type == TYPE_VIA8233A) 2536 strcpy(card->driver, "VIA8233A"); 2537 else if (pci->revision >= VIA_REV_8237) 2538 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2539 else 2540 strcpy(card->driver, "VIA8233"); 2541 break; 2542 default: 2543 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2544 err = -EINVAL; 2545 goto __error; 2546 } 2547 2548 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2549 ac97_clock, &chip)) < 0) 2550 goto __error; 2551 card->private_data = chip; 2552 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2553 goto __error; 2554 2555 if (chip_type == TYPE_VIA686) { 2556 if ((err = snd_via686_pcm_new(chip)) < 0 || 2557 (err = snd_via686_init_misc(chip)) < 0) 2558 goto __error; 2559 } else { 2560 if (chip_type == TYPE_VIA8233A) { 2561 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2562 goto __error; 2563 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2564 } else { 2565 if ((err = snd_via8233_pcm_new(chip)) < 0) 2566 goto __error; 2567 if (dxs_support == VIA_DXS_48K) 2568 chip->dxs_fixed = 1; 2569 else if (dxs_support == VIA_DXS_NO_VRA) 2570 chip->no_vra = 1; 2571 else if (dxs_support == VIA_DXS_SRC) { 2572 chip->no_vra = 1; 2573 chip->dxs_src = 1; 2574 } 2575 } 2576 if ((err = snd_via8233_init_misc(chip)) < 0) 2577 goto __error; 2578 } 2579 2580 /* disable interrupts */ 2581 for (i = 0; i < chip->num_devs; i++) 2582 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2583 2584 snprintf(card->longname, sizeof(card->longname), 2585 "%s with %s at %#lx, irq %d", card->shortname, 2586 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2587 2588 snd_via82xx_proc_init(chip); 2589 2590 if ((err = snd_card_register(card)) < 0) { 2591 snd_card_free(card); 2592 return err; 2593 } 2594 pci_set_drvdata(pci, card); 2595 return 0; 2596 2597 __error: 2598 snd_card_free(card); 2599 return err; 2600 } 2601 2602 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2603 { 2604 snd_card_free(pci_get_drvdata(pci)); 2605 pci_set_drvdata(pci, NULL); 2606 } 2607 2608 static struct pci_driver driver = { 2609 .name = "VIA 82xx Audio", 2610 .id_table = snd_via82xx_ids, 2611 .probe = snd_via82xx_probe, 2612 .remove = __devexit_p(snd_via82xx_remove), 2613 #ifdef CONFIG_PM 2614 .suspend = snd_via82xx_suspend, 2615 .resume = snd_via82xx_resume, 2616 #endif 2617 }; 2618 2619 static int __init alsa_card_via82xx_init(void) 2620 { 2621 return pci_register_driver(&driver); 2622 } 2623 2624 static void __exit alsa_card_via82xx_exit(void) 2625 { 2626 pci_unregister_driver(&driver); 2627 } 2628 2629 module_init(alsa_card_via82xx_init) 2630 module_exit(alsa_card_via82xx_exit) 2631