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 <sound/driver.h> 50 #include <asm/io.h> 51 #include <linux/delay.h> 52 #include <linux/interrupt.h> 53 #include <linux/init.h> 54 #include <linux/pci.h> 55 #include <linux/slab.h> 56 #include <linux/gameport.h> 57 #include <linux/moduleparam.h> 58 #include <sound/core.h> 59 #include <sound/pcm.h> 60 #include <sound/pcm_params.h> 61 #include <sound/info.h> 62 #include <sound/tlv.h> 63 #include <sound/ac97_codec.h> 64 #include <sound/mpu401.h> 65 #include <sound/initval.h> 66 67 #if 0 68 #define POINTER_DEBUG 69 #endif 70 71 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 72 MODULE_DESCRIPTION("VIA VT82xx audio"); 73 MODULE_LICENSE("GPL"); 74 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 75 76 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 77 #define SUPPORT_JOYSTICK 1 78 #endif 79 80 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 81 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 82 static long mpu_port; 83 #ifdef SUPPORT_JOYSTICK 84 static int joystick; 85 #endif 86 static int ac97_clock = 48000; 87 static char *ac97_quirk; 88 static int dxs_support; 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)"); 106 107 /* just for backward compatibility */ 108 static int enable; 109 module_param(enable, bool, 0444); 110 111 112 /* revision numbers for via686 */ 113 #define VIA_REV_686_A 0x10 114 #define VIA_REV_686_B 0x11 115 #define VIA_REV_686_C 0x12 116 #define VIA_REV_686_D 0x13 117 #define VIA_REV_686_E 0x14 118 #define VIA_REV_686_H 0x20 119 120 /* revision numbers for via8233 */ 121 #define VIA_REV_PRE_8233 0x10 /* not in market */ 122 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 123 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 124 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 125 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 126 #define VIA_REV_8237 0x60 127 #define VIA_REV_8251 0x70 128 129 /* 130 * Direct registers 131 */ 132 133 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 134 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 135 136 /* common offsets */ 137 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 138 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 139 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 140 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 141 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 142 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 143 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 144 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 145 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 146 #define VIA_REG_CTRL_START 0x80 /* WO */ 147 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 148 #define VIA_REG_CTRL_AUTOSTART 0x20 149 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 150 #define VIA_REG_CTRL_INT_STOP 0x04 151 #define VIA_REG_CTRL_INT_EOL 0x02 152 #define VIA_REG_CTRL_INT_FLAG 0x01 153 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 154 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 155 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 156 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 157 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 158 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 159 #define VIA_REG_TYPE_INT_LLINE 0x00 160 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 161 #define VIA_REG_TYPE_INT_LESSONE 0x08 162 #define VIA_REG_TYPE_INT_MASK 0x0c 163 #define VIA_REG_TYPE_INT_EOL 0x02 164 #define VIA_REG_TYPE_INT_FLAG 0x01 165 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 166 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 167 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 168 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 169 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 170 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 171 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 172 173 #define DEFINE_VIA_REGSET(name,val) \ 174 enum {\ 175 VIA_REG_##name##_STATUS = (val),\ 176 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 177 VIA_REG_##name##_TYPE = (val) + 0x02,\ 178 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 179 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 180 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 181 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 182 } 183 184 /* playback block */ 185 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 186 DEFINE_VIA_REGSET(CAPTURE, 0x10); 187 DEFINE_VIA_REGSET(FM, 0x20); 188 189 /* AC'97 */ 190 #define VIA_REG_AC97 0x80 /* dword */ 191 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 192 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 193 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 194 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 195 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 196 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 197 #define VIA_REG_AC97_BUSY (1<<24) 198 #define VIA_REG_AC97_READ (1<<23) 199 #define VIA_REG_AC97_CMD_SHIFT 16 200 #define VIA_REG_AC97_CMD_MASK 0x7e 201 #define VIA_REG_AC97_DATA_SHIFT 0 202 #define VIA_REG_AC97_DATA_MASK 0xffff 203 204 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 205 /* via686 */ 206 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 207 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 208 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 209 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 210 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 211 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 212 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 213 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 214 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 215 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 216 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 217 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 218 /* via8233 */ 219 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 220 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 221 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 222 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 223 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 224 #define VIA8233_REG_SGD_CHAN_SDX 0 225 #define VIA8233_REG_SGD_CHAN_MULTI 4 226 #define VIA8233_REG_SGD_CHAN_REC 6 227 #define VIA8233_REG_SGD_CHAN_REC1 7 228 229 #define VIA_REG_GPI_STATUS 0x88 230 #define VIA_REG_GPI_INTR 0x8c 231 232 /* multi-channel and capture registers for via8233 */ 233 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 234 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 235 236 /* via8233-specific registers */ 237 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 238 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 239 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 240 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 241 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 242 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 243 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 244 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 245 246 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 247 248 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 249 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 250 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 251 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 252 253 #define VIA_TBL_BIT_FLAG 0x40000000 254 #define VIA_TBL_BIT_EOL 0x80000000 255 256 /* pci space */ 257 #define VIA_ACLINK_STAT 0x40 258 #define VIA_ACLINK_C11_READY 0x20 259 #define VIA_ACLINK_C10_READY 0x10 260 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 261 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 262 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 263 #define VIA_ACLINK_CTRL 0x41 264 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 265 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 266 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 267 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 268 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 269 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 270 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 271 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 272 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 273 VIA_ACLINK_CTRL_RESET|\ 274 VIA_ACLINK_CTRL_PCM|\ 275 VIA_ACLINK_CTRL_VRA) 276 #define VIA_FUNC_ENABLE 0x42 277 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 278 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 279 #define VIA_FUNC_RX2C_WRITE 0x20 280 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 281 #define VIA_FUNC_ENABLE_GAME 0x08 282 #define VIA_FUNC_ENABLE_FM 0x04 283 #define VIA_FUNC_ENABLE_MIDI 0x02 284 #define VIA_FUNC_ENABLE_SB 0x01 285 #define VIA_PNP_CONTROL 0x43 286 #define VIA_FM_NMI_CTRL 0x48 287 #define VIA8233_VOLCHG_CTRL 0x48 288 #define VIA8233_SPDIF_CTRL 0x49 289 #define VIA8233_SPDIF_DX3 0x08 290 #define VIA8233_SPDIF_SLOT_MASK 0x03 291 #define VIA8233_SPDIF_SLOT_1011 0x00 292 #define VIA8233_SPDIF_SLOT_34 0x01 293 #define VIA8233_SPDIF_SLOT_78 0x02 294 #define VIA8233_SPDIF_SLOT_69 0x03 295 296 /* 297 */ 298 299 #define VIA_DXS_AUTO 0 300 #define VIA_DXS_ENABLE 1 301 #define VIA_DXS_DISABLE 2 302 #define VIA_DXS_48K 3 303 #define VIA_DXS_NO_VRA 4 304 #define VIA_DXS_SRC 5 305 306 307 /* 308 * pcm stream 309 */ 310 311 struct snd_via_sg_table { 312 unsigned int offset; 313 unsigned int size; 314 } ; 315 316 #define VIA_TABLE_SIZE 255 317 318 struct viadev { 319 unsigned int reg_offset; 320 unsigned long port; 321 int direction; /* playback = 0, capture = 1 */ 322 struct snd_pcm_substream *substream; 323 int running; 324 unsigned int tbl_entries; /* # descriptors */ 325 struct snd_dma_buffer table; 326 struct snd_via_sg_table *idx_table; 327 /* for recovery from the unexpected pointer */ 328 unsigned int lastpos; 329 unsigned int fragsize; 330 unsigned int bufsize; 331 unsigned int bufsize2; 332 int hwptr_done; /* processed frame position in the buffer */ 333 int in_interrupt; 334 int shadow_shift; 335 }; 336 337 338 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 339 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 340 341 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 342 343 struct via_rate_lock { 344 spinlock_t lock; 345 int rate; 346 int used; 347 }; 348 349 struct via82xx { 350 int irq; 351 352 unsigned long port; 353 struct resource *mpu_res; 354 int chip_type; 355 unsigned char revision; 356 357 unsigned char old_legacy; 358 unsigned char old_legacy_cfg; 359 #ifdef CONFIG_PM 360 unsigned char legacy_saved; 361 unsigned char legacy_cfg_saved; 362 unsigned char spdif_ctrl_saved; 363 unsigned char capture_src_saved[2]; 364 unsigned int mpu_port_saved; 365 #endif 366 367 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 368 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 369 370 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 371 372 struct pci_dev *pci; 373 struct snd_card *card; 374 375 unsigned int num_devs; 376 unsigned int playback_devno, multi_devno, capture_devno; 377 struct viadev devs[VIA_MAX_DEVS]; 378 struct via_rate_lock rates[2]; /* playback and capture */ 379 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 380 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 381 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 382 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 383 384 struct snd_pcm *pcms[2]; 385 struct snd_rawmidi *rmidi; 386 387 struct snd_ac97_bus *ac97_bus; 388 struct snd_ac97 *ac97; 389 unsigned int ac97_clock; 390 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 391 392 spinlock_t reg_lock; 393 struct snd_info_entry *proc_entry; 394 395 #ifdef SUPPORT_JOYSTICK 396 struct gameport *gameport; 397 #endif 398 }; 399 400 static struct pci_device_id snd_via82xx_ids[] = { 401 /* 0x1106, 0x3058 */ 402 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 403 /* 0x1106, 0x3059 */ 404 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 405 { 0, } 406 }; 407 408 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 409 410 /* 411 */ 412 413 /* 414 * allocate and initialize the descriptor buffers 415 * periods = number of periods 416 * fragsize = period size in bytes 417 */ 418 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 419 struct pci_dev *pci, 420 unsigned int periods, unsigned int fragsize) 421 { 422 unsigned int i, idx, ofs, rest; 423 struct via82xx *chip = snd_pcm_substream_chip(substream); 424 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 425 426 if (dev->table.area == NULL) { 427 /* the start of each lists must be aligned to 8 bytes, 428 * but the kernel pages are much bigger, so we don't care 429 */ 430 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 431 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 432 &dev->table) < 0) 433 return -ENOMEM; 434 } 435 if (! dev->idx_table) { 436 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 437 if (! dev->idx_table) 438 return -ENOMEM; 439 } 440 441 /* fill the entries */ 442 idx = 0; 443 ofs = 0; 444 for (i = 0; i < periods; i++) { 445 rest = fragsize; 446 /* fill descriptors for a period. 447 * a period can be split to several descriptors if it's 448 * over page boundary. 449 */ 450 do { 451 unsigned int r; 452 unsigned int flag; 453 454 if (idx >= VIA_TABLE_SIZE) { 455 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 456 return -EINVAL; 457 } 458 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 459 r = PAGE_SIZE - (ofs % PAGE_SIZE); 460 if (rest < r) 461 r = rest; 462 rest -= r; 463 if (! rest) { 464 if (i == periods - 1) 465 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 466 else 467 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 468 } else 469 flag = 0; /* period continues to the next */ 470 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 471 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 472 dev->idx_table[idx].offset = ofs; 473 dev->idx_table[idx].size = r; 474 ofs += r; 475 idx++; 476 } while (rest > 0); 477 } 478 dev->tbl_entries = idx; 479 dev->bufsize = periods * fragsize; 480 dev->bufsize2 = dev->bufsize / 2; 481 dev->fragsize = fragsize; 482 return 0; 483 } 484 485 486 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 487 struct pci_dev *pci) 488 { 489 if (dev->table.area) { 490 snd_dma_free_pages(&dev->table); 491 dev->table.area = NULL; 492 } 493 kfree(dev->idx_table); 494 dev->idx_table = NULL; 495 return 0; 496 } 497 498 /* 499 * Basic I/O 500 */ 501 502 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 503 { 504 return inl(VIAREG(chip, AC97)); 505 } 506 507 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 508 { 509 outl(val, VIAREG(chip, AC97)); 510 } 511 512 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 513 { 514 unsigned int timeout = 1000; /* 1ms */ 515 unsigned int val; 516 517 while (timeout-- > 0) { 518 udelay(1); 519 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 520 return val & 0xffff; 521 } 522 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 523 secondary, snd_via82xx_codec_xread(chip)); 524 return -EIO; 525 } 526 527 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 528 { 529 unsigned int timeout = 1000; /* 1ms */ 530 unsigned int val, val1; 531 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 532 VIA_REG_AC97_SECONDARY_VALID; 533 534 while (timeout-- > 0) { 535 val = snd_via82xx_codec_xread(chip); 536 val1 = val & (VIA_REG_AC97_BUSY | stat); 537 if (val1 == stat) 538 return val & 0xffff; 539 udelay(1); 540 } 541 return -EIO; 542 } 543 544 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 545 { 546 struct via82xx *chip = ac97->private_data; 547 int err; 548 err = snd_via82xx_codec_ready(chip, ac97->num); 549 /* here we need to wait fairly for long time.. */ 550 msleep(500); 551 } 552 553 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 554 unsigned short reg, 555 unsigned short val) 556 { 557 struct via82xx *chip = ac97->private_data; 558 unsigned int xval; 559 560 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 561 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 562 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 563 xval |= val << VIA_REG_AC97_DATA_SHIFT; 564 snd_via82xx_codec_xwrite(chip, xval); 565 snd_via82xx_codec_ready(chip, ac97->num); 566 } 567 568 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 569 { 570 struct via82xx *chip = ac97->private_data; 571 unsigned int xval, val = 0xffff; 572 int again = 0; 573 574 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 575 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 576 xval |= VIA_REG_AC97_READ; 577 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 578 while (1) { 579 if (again++ > 3) { 580 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 581 ac97->num, snd_via82xx_codec_xread(chip)); 582 return 0xffff; 583 } 584 snd_via82xx_codec_xwrite(chip, xval); 585 udelay (20); 586 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 587 udelay(25); 588 val = snd_via82xx_codec_xread(chip); 589 break; 590 } 591 } 592 return val & 0xffff; 593 } 594 595 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 596 { 597 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 598 VIADEV_REG(viadev, OFFSET_CONTROL)); 599 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 600 udelay(50); 601 /* disable interrupts */ 602 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 603 /* clear interrupts */ 604 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 605 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 606 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 607 viadev->lastpos = 0; 608 viadev->hwptr_done = 0; 609 } 610 611 612 /* 613 * Interrupt handler 614 * Used for 686 and 8233A 615 */ 616 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 617 { 618 struct via82xx *chip = dev_id; 619 unsigned int status; 620 unsigned int i; 621 622 status = inl(VIAREG(chip, SGD_SHADOW)); 623 if (! (status & chip->intr_mask)) { 624 if (chip->rmidi) 625 /* check mpu401 interrupt */ 626 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 627 return IRQ_NONE; 628 } 629 630 /* check status for each stream */ 631 spin_lock(&chip->reg_lock); 632 for (i = 0; i < chip->num_devs; i++) { 633 struct viadev *viadev = &chip->devs[i]; 634 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 635 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 636 continue; 637 if (viadev->substream && viadev->running) { 638 /* 639 * Update hwptr_done based on 'period elapsed' 640 * interrupts. We'll use it, when the chip returns 0 641 * for OFFSET_CURR_COUNT. 642 */ 643 if (c_status & VIA_REG_STAT_EOL) 644 viadev->hwptr_done = 0; 645 else 646 viadev->hwptr_done += viadev->fragsize; 647 viadev->in_interrupt = c_status; 648 spin_unlock(&chip->reg_lock); 649 snd_pcm_period_elapsed(viadev->substream); 650 spin_lock(&chip->reg_lock); 651 viadev->in_interrupt = 0; 652 } 653 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 654 } 655 spin_unlock(&chip->reg_lock); 656 return IRQ_HANDLED; 657 } 658 659 /* 660 * Interrupt handler 661 */ 662 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 663 { 664 struct via82xx *chip = dev_id; 665 unsigned int status; 666 unsigned int i; 667 int irqreturn = 0; 668 669 /* check status for each stream */ 670 spin_lock(&chip->reg_lock); 671 status = inl(VIAREG(chip, SGD_SHADOW)); 672 673 for (i = 0; i < chip->num_devs; i++) { 674 struct viadev *viadev = &chip->devs[i]; 675 struct snd_pcm_substream *substream; 676 unsigned char c_status, shadow_status; 677 678 shadow_status = (status >> viadev->shadow_shift) & 679 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 680 VIA_REG_STAT_FLAG); 681 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 682 if (!c_status) 683 continue; 684 685 substream = viadev->substream; 686 if (substream && viadev->running) { 687 /* 688 * Update hwptr_done based on 'period elapsed' 689 * interrupts. We'll use it, when the chip returns 0 690 * for OFFSET_CURR_COUNT. 691 */ 692 if (c_status & VIA_REG_STAT_EOL) 693 viadev->hwptr_done = 0; 694 else 695 viadev->hwptr_done += viadev->fragsize; 696 viadev->in_interrupt = c_status; 697 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 698 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 699 spin_unlock(&chip->reg_lock); 700 701 snd_pcm_period_elapsed(substream); 702 703 spin_lock(&chip->reg_lock); 704 viadev->in_interrupt = 0; 705 } 706 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 707 irqreturn = 1; 708 } 709 spin_unlock(&chip->reg_lock); 710 return IRQ_RETVAL(irqreturn); 711 } 712 713 /* 714 * PCM callbacks 715 */ 716 717 /* 718 * trigger callback 719 */ 720 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 721 { 722 struct via82xx *chip = snd_pcm_substream_chip(substream); 723 struct viadev *viadev = substream->runtime->private_data; 724 unsigned char val; 725 726 if (chip->chip_type != TYPE_VIA686) 727 val = VIA_REG_CTRL_INT; 728 else 729 val = 0; 730 switch (cmd) { 731 case SNDRV_PCM_TRIGGER_START: 732 case SNDRV_PCM_TRIGGER_RESUME: 733 val |= VIA_REG_CTRL_START; 734 viadev->running = 1; 735 break; 736 case SNDRV_PCM_TRIGGER_STOP: 737 case SNDRV_PCM_TRIGGER_SUSPEND: 738 val = VIA_REG_CTRL_TERMINATE; 739 viadev->running = 0; 740 break; 741 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 742 val |= VIA_REG_CTRL_PAUSE; 743 viadev->running = 0; 744 break; 745 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 746 viadev->running = 1; 747 break; 748 default: 749 return -EINVAL; 750 } 751 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 752 if (cmd == SNDRV_PCM_TRIGGER_STOP) 753 snd_via82xx_channel_reset(chip, viadev); 754 return 0; 755 } 756 757 758 /* 759 * pointer callbacks 760 */ 761 762 /* 763 * calculate the linear position at the given sg-buffer index and the rest count 764 */ 765 766 #define check_invalid_pos(viadev,pos) \ 767 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 768 viadev->lastpos < viadev->bufsize2)) 769 770 static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 771 unsigned int count) 772 { 773 unsigned int size, base, res; 774 775 size = viadev->idx_table[idx].size; 776 base = viadev->idx_table[idx].offset; 777 res = base + size - count; 778 if (res >= viadev->bufsize) 779 res -= viadev->bufsize; 780 781 /* check the validity of the calculated position */ 782 if (size < count) { 783 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 784 (int)size, (int)count); 785 res = viadev->lastpos; 786 } else { 787 if (! count) { 788 /* Some mobos report count = 0 on the DMA boundary, 789 * i.e. count = size indeed. 790 * Let's check whether this step is above the expected size. 791 */ 792 int delta = res - viadev->lastpos; 793 if (delta < 0) 794 delta += viadev->bufsize; 795 if ((unsigned int)delta > viadev->fragsize) 796 res = base; 797 } 798 if (check_invalid_pos(viadev, res)) { 799 #ifdef POINTER_DEBUG 800 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " 801 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 802 "count = 0x%x\n", idx, viadev->tbl_entries, 803 viadev->lastpos, viadev->bufsize2, 804 viadev->idx_table[idx].offset, 805 viadev->idx_table[idx].size, count); 806 #endif 807 /* count register returns full size when end of buffer is reached */ 808 res = base + size; 809 if (check_invalid_pos(viadev, res)) { 810 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 811 "using last valid pointer\n"); 812 res = viadev->lastpos; 813 } 814 } 815 } 816 return res; 817 } 818 819 /* 820 * get the current pointer on via686 821 */ 822 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 823 { 824 struct via82xx *chip = snd_pcm_substream_chip(substream); 825 struct viadev *viadev = substream->runtime->private_data; 826 unsigned int idx, ptr, count, res; 827 828 snd_assert(viadev->tbl_entries, return 0); 829 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 830 return 0; 831 832 spin_lock(&chip->reg_lock); 833 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 834 /* The via686a does not have the current index register, 835 * so we need to calculate the index from CURR_PTR. 836 */ 837 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 838 if (ptr <= (unsigned int)viadev->table.addr) 839 idx = 0; 840 else /* CURR_PTR holds the address + 8 */ 841 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 842 res = calc_linear_pos(viadev, idx, count); 843 viadev->lastpos = res; /* remember the last position */ 844 spin_unlock(&chip->reg_lock); 845 846 return bytes_to_frames(substream->runtime, res); 847 } 848 849 /* 850 * get the current pointer on via823x 851 */ 852 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 853 { 854 struct via82xx *chip = snd_pcm_substream_chip(substream); 855 struct viadev *viadev = substream->runtime->private_data; 856 unsigned int idx, count, res; 857 int status; 858 859 snd_assert(viadev->tbl_entries, return 0); 860 861 spin_lock(&chip->reg_lock); 862 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 863 status = viadev->in_interrupt; 864 if (!status) 865 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 866 867 /* An apparent bug in the 8251 is worked around by sending a 868 * REG_CTRL_START. */ 869 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 870 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 871 872 if (!(status & VIA_REG_STAT_ACTIVE)) { 873 res = 0; 874 goto unlock; 875 } 876 if (count & 0xffffff) { 877 idx = count >> 24; 878 if (idx >= viadev->tbl_entries) { 879 #ifdef POINTER_DEBUG 880 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 881 viadev->tbl_entries); 882 #endif 883 res = viadev->lastpos; 884 } else { 885 count &= 0xffffff; 886 res = calc_linear_pos(viadev, idx, count); 887 } 888 } else { 889 res = viadev->hwptr_done; 890 if (!viadev->in_interrupt) { 891 if (status & VIA_REG_STAT_EOL) { 892 res = 0; 893 } else 894 if (status & VIA_REG_STAT_FLAG) { 895 res += viadev->fragsize; 896 } 897 } 898 } 899 unlock: 900 viadev->lastpos = res; 901 spin_unlock(&chip->reg_lock); 902 903 return bytes_to_frames(substream->runtime, res); 904 } 905 906 907 /* 908 * hw_params callback: 909 * allocate the buffer and build up the buffer description table 910 */ 911 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 912 struct snd_pcm_hw_params *hw_params) 913 { 914 struct via82xx *chip = snd_pcm_substream_chip(substream); 915 struct viadev *viadev = substream->runtime->private_data; 916 int err; 917 918 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 919 if (err < 0) 920 return err; 921 err = build_via_table(viadev, substream, chip->pci, 922 params_periods(hw_params), 923 params_period_bytes(hw_params)); 924 if (err < 0) 925 return err; 926 927 return 0; 928 } 929 930 /* 931 * hw_free callback: 932 * clean up the buffer description table and release the buffer 933 */ 934 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 935 { 936 struct via82xx *chip = snd_pcm_substream_chip(substream); 937 struct viadev *viadev = substream->runtime->private_data; 938 939 clean_via_table(viadev, substream, chip->pci); 940 snd_pcm_lib_free_pages(substream); 941 return 0; 942 } 943 944 945 /* 946 * set up the table pointer 947 */ 948 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 949 { 950 snd_via82xx_codec_ready(chip, 0); 951 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 952 udelay(20); 953 snd_via82xx_codec_ready(chip, 0); 954 } 955 956 /* 957 * prepare callback for playback and capture on via686 958 */ 959 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 960 struct snd_pcm_runtime *runtime) 961 { 962 snd_via82xx_channel_reset(chip, viadev); 963 /* this must be set after channel_reset */ 964 snd_via82xx_set_table_ptr(chip, viadev); 965 outb(VIA_REG_TYPE_AUTOSTART | 966 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 967 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 968 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 969 VIA_REG_TYPE_INT_EOL | 970 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 971 } 972 973 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 974 { 975 struct via82xx *chip = snd_pcm_substream_chip(substream); 976 struct viadev *viadev = substream->runtime->private_data; 977 struct snd_pcm_runtime *runtime = substream->runtime; 978 979 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 980 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 981 via686_setup_format(chip, viadev, runtime); 982 return 0; 983 } 984 985 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 986 { 987 struct via82xx *chip = snd_pcm_substream_chip(substream); 988 struct viadev *viadev = substream->runtime->private_data; 989 struct snd_pcm_runtime *runtime = substream->runtime; 990 991 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 992 via686_setup_format(chip, viadev, runtime); 993 return 0; 994 } 995 996 /* 997 * lock the current rate 998 */ 999 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1000 { 1001 int changed = 0; 1002 1003 spin_lock_irq(&rec->lock); 1004 if (rec->rate != rate) { 1005 if (rec->rate && rec->used > 1) /* already set */ 1006 changed = -EINVAL; 1007 else { 1008 rec->rate = rate; 1009 changed = 1; 1010 } 1011 } 1012 spin_unlock_irq(&rec->lock); 1013 return changed; 1014 } 1015 1016 /* 1017 * prepare callback for DSX playback on via823x 1018 */ 1019 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1020 { 1021 struct via82xx *chip = snd_pcm_substream_chip(substream); 1022 struct viadev *viadev = substream->runtime->private_data; 1023 struct snd_pcm_runtime *runtime = substream->runtime; 1024 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1025 int rate_changed; 1026 u32 rbits; 1027 1028 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1029 return rate_changed; 1030 if (rate_changed) 1031 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1032 chip->no_vra ? 48000 : runtime->rate); 1033 if (chip->spdif_on && viadev->reg_offset == 0x30) 1034 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1035 1036 if (runtime->rate == 48000) 1037 rbits = 0xfffff; 1038 else 1039 rbits = (0x100000 / 48000) * runtime->rate + 1040 ((0x100000 % 48000) * runtime->rate) / 48000; 1041 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 1042 snd_via82xx_channel_reset(chip, viadev); 1043 snd_via82xx_set_table_ptr(chip, viadev); 1044 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1045 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1046 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1047 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1048 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1049 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1050 rbits | /* rate */ 1051 0xff000000, /* STOP index is never reached */ 1052 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1053 udelay(20); 1054 snd_via82xx_codec_ready(chip, 0); 1055 return 0; 1056 } 1057 1058 /* 1059 * prepare callback for multi-channel playback on via823x 1060 */ 1061 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1062 { 1063 struct via82xx *chip = snd_pcm_substream_chip(substream); 1064 struct viadev *viadev = substream->runtime->private_data; 1065 struct snd_pcm_runtime *runtime = substream->runtime; 1066 unsigned int slots; 1067 int fmt; 1068 1069 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1070 return -EINVAL; 1071 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1072 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1073 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1074 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1075 snd_via82xx_channel_reset(chip, viadev); 1076 snd_via82xx_set_table_ptr(chip, viadev); 1077 1078 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1079 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1080 fmt |= runtime->channels << 4; 1081 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1082 #if 0 1083 if (chip->revision == VIA_REV_8233A) 1084 slots = 0; 1085 else 1086 #endif 1087 { 1088 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1089 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1090 switch (runtime->channels) { 1091 case 1: slots = (1<<0) | (1<<4); break; 1092 case 2: slots = (1<<0) | (2<<4); break; 1093 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1094 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1095 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1096 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1097 default: slots = 0; break; 1098 } 1099 } 1100 /* STOP index is never reached */ 1101 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1102 udelay(20); 1103 snd_via82xx_codec_ready(chip, 0); 1104 return 0; 1105 } 1106 1107 /* 1108 * prepare callback for capture on via823x 1109 */ 1110 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1111 { 1112 struct via82xx *chip = snd_pcm_substream_chip(substream); 1113 struct viadev *viadev = substream->runtime->private_data; 1114 struct snd_pcm_runtime *runtime = substream->runtime; 1115 1116 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1117 return -EINVAL; 1118 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1119 snd_via82xx_channel_reset(chip, viadev); 1120 snd_via82xx_set_table_ptr(chip, viadev); 1121 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1122 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1123 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1124 0xff000000, /* STOP index is never reached */ 1125 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1126 udelay(20); 1127 snd_via82xx_codec_ready(chip, 0); 1128 return 0; 1129 } 1130 1131 1132 /* 1133 * pcm hardware definition, identical for both playback and capture 1134 */ 1135 static struct snd_pcm_hardware snd_via82xx_hw = 1136 { 1137 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1138 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1139 SNDRV_PCM_INFO_MMAP_VALID | 1140 /* SNDRV_PCM_INFO_RESUME | */ 1141 SNDRV_PCM_INFO_PAUSE), 1142 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1143 .rates = SNDRV_PCM_RATE_48000, 1144 .rate_min = 48000, 1145 .rate_max = 48000, 1146 .channels_min = 1, 1147 .channels_max = 2, 1148 .buffer_bytes_max = 128 * 1024, 1149 .period_bytes_min = 32, 1150 .period_bytes_max = 128 * 1024, 1151 .periods_min = 2, 1152 .periods_max = VIA_TABLE_SIZE / 2, 1153 .fifo_size = 0, 1154 }; 1155 1156 1157 /* 1158 * open callback skeleton 1159 */ 1160 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1161 struct snd_pcm_substream *substream) 1162 { 1163 struct snd_pcm_runtime *runtime = substream->runtime; 1164 int err; 1165 struct via_rate_lock *ratep; 1166 1167 runtime->hw = snd_via82xx_hw; 1168 1169 /* set the hw rate condition */ 1170 ratep = &chip->rates[viadev->direction]; 1171 spin_lock_irq(&ratep->lock); 1172 ratep->used++; 1173 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1174 /* DXS#3 and spdif is on */ 1175 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1176 snd_pcm_limit_hw_rates(runtime); 1177 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1178 /* fixed DXS playback rate */ 1179 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1180 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1181 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1182 /* use full SRC capabilities of DXS */ 1183 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1184 SNDRV_PCM_RATE_8000_48000); 1185 runtime->hw.rate_min = 8000; 1186 runtime->hw.rate_max = 48000; 1187 } else if (! ratep->rate) { 1188 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1189 runtime->hw.rates = chip->ac97->rates[idx]; 1190 snd_pcm_limit_hw_rates(runtime); 1191 } else { 1192 /* a fixed rate */ 1193 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1194 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1195 } 1196 spin_unlock_irq(&ratep->lock); 1197 1198 /* we may remove following constaint when we modify table entries 1199 in interrupt */ 1200 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1201 return err; 1202 1203 runtime->private_data = viadev; 1204 viadev->substream = substream; 1205 1206 return 0; 1207 } 1208 1209 1210 /* 1211 * open callback for playback on via686 and via823x DSX 1212 */ 1213 static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) 1214 { 1215 struct via82xx *chip = snd_pcm_substream_chip(substream); 1216 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1217 int err; 1218 1219 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1220 return err; 1221 return 0; 1222 } 1223 1224 /* 1225 * open callback for playback on via823x multi-channel 1226 */ 1227 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1228 { 1229 struct via82xx *chip = snd_pcm_substream_chip(substream); 1230 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1231 int err; 1232 /* channels constraint for VIA8233A 1233 * 3 and 5 channels are not supported 1234 */ 1235 static unsigned int channels[] = { 1236 1, 2, 4, 6 1237 }; 1238 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1239 .count = ARRAY_SIZE(channels), 1240 .list = channels, 1241 .mask = 0, 1242 }; 1243 1244 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1245 return err; 1246 substream->runtime->hw.channels_max = 6; 1247 if (chip->revision == VIA_REV_8233A) 1248 snd_pcm_hw_constraint_list(substream->runtime, 0, 1249 SNDRV_PCM_HW_PARAM_CHANNELS, 1250 &hw_constraints_channels); 1251 return 0; 1252 } 1253 1254 /* 1255 * open callback for capture on via686 and via823x 1256 */ 1257 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1258 { 1259 struct via82xx *chip = snd_pcm_substream_chip(substream); 1260 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1261 1262 return snd_via82xx_pcm_open(chip, viadev, substream); 1263 } 1264 1265 /* 1266 * close callback 1267 */ 1268 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1269 { 1270 struct via82xx *chip = snd_pcm_substream_chip(substream); 1271 struct viadev *viadev = substream->runtime->private_data; 1272 struct via_rate_lock *ratep; 1273 1274 /* release the rate lock */ 1275 ratep = &chip->rates[viadev->direction]; 1276 spin_lock_irq(&ratep->lock); 1277 ratep->used--; 1278 if (! ratep->used) 1279 ratep->rate = 0; 1280 spin_unlock_irq(&ratep->lock); 1281 if (! ratep->rate) { 1282 if (! viadev->direction) { 1283 snd_ac97_update_power(chip->ac97, 1284 AC97_PCM_FRONT_DAC_RATE, 0); 1285 snd_ac97_update_power(chip->ac97, 1286 AC97_PCM_SURR_DAC_RATE, 0); 1287 snd_ac97_update_power(chip->ac97, 1288 AC97_PCM_LFE_DAC_RATE, 0); 1289 } else 1290 snd_ac97_update_power(chip->ac97, 1291 AC97_PCM_LR_ADC_RATE, 0); 1292 } 1293 viadev->substream = NULL; 1294 return 0; 1295 } 1296 1297 1298 /* via686 playback callbacks */ 1299 static struct snd_pcm_ops snd_via686_playback_ops = { 1300 .open = snd_via82xx_playback_open, 1301 .close = snd_via82xx_pcm_close, 1302 .ioctl = snd_pcm_lib_ioctl, 1303 .hw_params = snd_via82xx_hw_params, 1304 .hw_free = snd_via82xx_hw_free, 1305 .prepare = snd_via686_playback_prepare, 1306 .trigger = snd_via82xx_pcm_trigger, 1307 .pointer = snd_via686_pcm_pointer, 1308 .page = snd_pcm_sgbuf_ops_page, 1309 }; 1310 1311 /* via686 capture callbacks */ 1312 static struct snd_pcm_ops snd_via686_capture_ops = { 1313 .open = snd_via82xx_capture_open, 1314 .close = snd_via82xx_pcm_close, 1315 .ioctl = snd_pcm_lib_ioctl, 1316 .hw_params = snd_via82xx_hw_params, 1317 .hw_free = snd_via82xx_hw_free, 1318 .prepare = snd_via686_capture_prepare, 1319 .trigger = snd_via82xx_pcm_trigger, 1320 .pointer = snd_via686_pcm_pointer, 1321 .page = snd_pcm_sgbuf_ops_page, 1322 }; 1323 1324 /* via823x DSX playback callbacks */ 1325 static struct snd_pcm_ops snd_via8233_playback_ops = { 1326 .open = snd_via82xx_playback_open, 1327 .close = snd_via82xx_pcm_close, 1328 .ioctl = snd_pcm_lib_ioctl, 1329 .hw_params = snd_via82xx_hw_params, 1330 .hw_free = snd_via82xx_hw_free, 1331 .prepare = snd_via8233_playback_prepare, 1332 .trigger = snd_via82xx_pcm_trigger, 1333 .pointer = snd_via8233_pcm_pointer, 1334 .page = snd_pcm_sgbuf_ops_page, 1335 }; 1336 1337 /* via823x multi-channel playback callbacks */ 1338 static struct snd_pcm_ops snd_via8233_multi_ops = { 1339 .open = snd_via8233_multi_open, 1340 .close = snd_via82xx_pcm_close, 1341 .ioctl = snd_pcm_lib_ioctl, 1342 .hw_params = snd_via82xx_hw_params, 1343 .hw_free = snd_via82xx_hw_free, 1344 .prepare = snd_via8233_multi_prepare, 1345 .trigger = snd_via82xx_pcm_trigger, 1346 .pointer = snd_via8233_pcm_pointer, 1347 .page = snd_pcm_sgbuf_ops_page, 1348 }; 1349 1350 /* via823x capture callbacks */ 1351 static struct snd_pcm_ops snd_via8233_capture_ops = { 1352 .open = snd_via82xx_capture_open, 1353 .close = snd_via82xx_pcm_close, 1354 .ioctl = snd_pcm_lib_ioctl, 1355 .hw_params = snd_via82xx_hw_params, 1356 .hw_free = snd_via82xx_hw_free, 1357 .prepare = snd_via8233_capture_prepare, 1358 .trigger = snd_via82xx_pcm_trigger, 1359 .pointer = snd_via8233_pcm_pointer, 1360 .page = snd_pcm_sgbuf_ops_page, 1361 }; 1362 1363 1364 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1365 int shadow_pos, int direction) 1366 { 1367 chip->devs[idx].reg_offset = reg_offset; 1368 chip->devs[idx].shadow_shift = shadow_pos * 4; 1369 chip->devs[idx].direction = direction; 1370 chip->devs[idx].port = chip->port + reg_offset; 1371 } 1372 1373 /* 1374 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1375 */ 1376 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1377 { 1378 struct snd_pcm *pcm; 1379 int i, err; 1380 1381 chip->playback_devno = 0; /* x 4 */ 1382 chip->multi_devno = 4; /* x 1 */ 1383 chip->capture_devno = 5; /* x 2 */ 1384 chip->num_devs = 7; 1385 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1386 1387 /* PCM #0: 4 DSX playbacks and 1 capture */ 1388 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1389 if (err < 0) 1390 return err; 1391 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1392 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1393 pcm->private_data = chip; 1394 strcpy(pcm->name, chip->card->shortname); 1395 chip->pcms[0] = pcm; 1396 /* set up playbacks */ 1397 for (i = 0; i < 4; i++) 1398 init_viadev(chip, i, 0x10 * i, i, 0); 1399 /* capture */ 1400 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1401 1402 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1403 snd_dma_pci_data(chip->pci), 1404 64*1024, 128*1024)) < 0) 1405 return err; 1406 1407 /* PCM #1: multi-channel playback and 2nd capture */ 1408 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1409 if (err < 0) 1410 return err; 1411 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1412 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1413 pcm->private_data = chip; 1414 strcpy(pcm->name, chip->card->shortname); 1415 chip->pcms[1] = pcm; 1416 /* set up playback */ 1417 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1418 /* set up capture */ 1419 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1420 1421 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1422 snd_dma_pci_data(chip->pci), 1423 64*1024, 128*1024)) < 0) 1424 return err; 1425 1426 return 0; 1427 } 1428 1429 /* 1430 * create pcm instances for VIA8233A 1431 */ 1432 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1433 { 1434 struct snd_pcm *pcm; 1435 int err; 1436 1437 chip->multi_devno = 0; 1438 chip->playback_devno = 1; 1439 chip->capture_devno = 2; 1440 chip->num_devs = 3; 1441 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1442 1443 /* PCM #0: multi-channel playback and capture */ 1444 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1445 if (err < 0) 1446 return err; 1447 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1448 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1449 pcm->private_data = chip; 1450 strcpy(pcm->name, chip->card->shortname); 1451 chip->pcms[0] = pcm; 1452 /* set up playback */ 1453 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1454 /* capture */ 1455 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1456 1457 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1458 snd_dma_pci_data(chip->pci), 1459 64*1024, 128*1024)) < 0) 1460 return err; 1461 1462 /* SPDIF supported? */ 1463 if (! ac97_can_spdif(chip->ac97)) 1464 return 0; 1465 1466 /* PCM #1: DXS3 playback (for spdif) */ 1467 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1468 if (err < 0) 1469 return err; 1470 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1471 pcm->private_data = chip; 1472 strcpy(pcm->name, chip->card->shortname); 1473 chip->pcms[1] = pcm; 1474 /* set up playback */ 1475 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1476 1477 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1478 snd_dma_pci_data(chip->pci), 1479 64*1024, 128*1024)) < 0) 1480 return err; 1481 1482 return 0; 1483 } 1484 1485 /* 1486 * create a pcm instance for via686a/b 1487 */ 1488 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1489 { 1490 struct snd_pcm *pcm; 1491 int err; 1492 1493 chip->playback_devno = 0; 1494 chip->capture_devno = 1; 1495 chip->num_devs = 2; 1496 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1497 1498 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1499 if (err < 0) 1500 return err; 1501 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1502 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1503 pcm->private_data = chip; 1504 strcpy(pcm->name, chip->card->shortname); 1505 chip->pcms[0] = pcm; 1506 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1507 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1508 1509 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1510 snd_dma_pci_data(chip->pci), 1511 64*1024, 128*1024)) < 0) 1512 return err; 1513 1514 return 0; 1515 } 1516 1517 1518 /* 1519 * Mixer part 1520 */ 1521 1522 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1523 struct snd_ctl_elem_info *uinfo) 1524 { 1525 /* formerly they were "Line" and "Mic", but it looks like that they 1526 * have nothing to do with the actual physical connections... 1527 */ 1528 static char *texts[2] = { 1529 "Input1", "Input2" 1530 }; 1531 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1532 uinfo->count = 1; 1533 uinfo->value.enumerated.items = 2; 1534 if (uinfo->value.enumerated.item >= 2) 1535 uinfo->value.enumerated.item = 1; 1536 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1537 return 0; 1538 } 1539 1540 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1541 struct snd_ctl_elem_value *ucontrol) 1542 { 1543 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1544 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1545 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1546 return 0; 1547 } 1548 1549 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1550 struct snd_ctl_elem_value *ucontrol) 1551 { 1552 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1553 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1554 u8 val, oval; 1555 1556 spin_lock_irq(&chip->reg_lock); 1557 oval = inb(port); 1558 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1559 if (ucontrol->value.enumerated.item[0]) 1560 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1561 if (val != oval) 1562 outb(val, port); 1563 spin_unlock_irq(&chip->reg_lock); 1564 return val != oval; 1565 } 1566 1567 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1568 .name = "Input Source Select", 1569 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1570 .info = snd_via8233_capture_source_info, 1571 .get = snd_via8233_capture_source_get, 1572 .put = snd_via8233_capture_source_put, 1573 }; 1574 1575 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1576 1577 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1578 struct snd_ctl_elem_value *ucontrol) 1579 { 1580 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1581 u8 val; 1582 1583 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1584 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1585 return 0; 1586 } 1587 1588 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1589 struct snd_ctl_elem_value *ucontrol) 1590 { 1591 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1592 u8 val, oval; 1593 1594 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1595 val = oval & ~VIA8233_SPDIF_DX3; 1596 if (ucontrol->value.integer.value[0]) 1597 val |= VIA8233_SPDIF_DX3; 1598 /* save the spdif flag for rate filtering */ 1599 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1600 if (val != oval) { 1601 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1602 return 1; 1603 } 1604 return 0; 1605 } 1606 1607 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1608 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1609 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1610 .info = snd_via8233_dxs3_spdif_info, 1611 .get = snd_via8233_dxs3_spdif_get, 1612 .put = snd_via8233_dxs3_spdif_put, 1613 }; 1614 1615 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1616 struct snd_ctl_elem_info *uinfo) 1617 { 1618 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1619 uinfo->count = 2; 1620 uinfo->value.integer.min = 0; 1621 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1622 return 0; 1623 } 1624 1625 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1626 struct snd_ctl_elem_value *ucontrol) 1627 { 1628 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1629 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1630 1631 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1632 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1633 return 0; 1634 } 1635 1636 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1637 struct snd_ctl_elem_value *ucontrol) 1638 { 1639 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1640 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1641 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1642 return 0; 1643 } 1644 1645 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1646 struct snd_ctl_elem_value *ucontrol) 1647 { 1648 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1649 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1650 unsigned long port = chip->port + 0x10 * idx; 1651 unsigned char val; 1652 int i, change = 0; 1653 1654 for (i = 0; i < 2; i++) { 1655 val = ucontrol->value.integer.value[i]; 1656 if (val > VIA_DXS_MAX_VOLUME) 1657 val = VIA_DXS_MAX_VOLUME; 1658 val = VIA_DXS_MAX_VOLUME - val; 1659 change |= val != chip->playback_volume[idx][i]; 1660 if (change) { 1661 chip->playback_volume[idx][i] = val; 1662 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1663 } 1664 } 1665 return change; 1666 } 1667 1668 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1669 struct snd_ctl_elem_value *ucontrol) 1670 { 1671 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1672 unsigned int idx; 1673 unsigned char val; 1674 int i, change = 0; 1675 1676 for (i = 0; i < 2; i++) { 1677 val = ucontrol->value.integer.value[i]; 1678 if (val > VIA_DXS_MAX_VOLUME) 1679 val = VIA_DXS_MAX_VOLUME; 1680 val = VIA_DXS_MAX_VOLUME - val; 1681 if (val != chip->playback_volume_c[i]) { 1682 change = 1; 1683 chip->playback_volume_c[i] = val; 1684 for (idx = 0; idx < 4; idx++) { 1685 unsigned long port = chip->port + 0x10 * idx; 1686 chip->playback_volume[idx][i] = val; 1687 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1688 } 1689 } 1690 } 1691 return change; 1692 } 1693 1694 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -9450, 150, 1); 1695 1696 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1697 .name = "PCM Playback Volume", 1698 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1699 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1700 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1701 .info = snd_via8233_dxs_volume_info, 1702 .get = snd_via8233_pcmdxs_volume_get, 1703 .put = snd_via8233_pcmdxs_volume_put, 1704 .tlv = { .p = db_scale_dxs } 1705 }; 1706 1707 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1708 .name = "VIA DXS Playback Volume", 1709 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1710 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1711 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1712 .count = 4, 1713 .info = snd_via8233_dxs_volume_info, 1714 .get = snd_via8233_dxs_volume_get, 1715 .put = snd_via8233_dxs_volume_put, 1716 .tlv = { .p = db_scale_dxs } 1717 }; 1718 1719 /* 1720 */ 1721 1722 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1723 { 1724 struct via82xx *chip = bus->private_data; 1725 chip->ac97_bus = NULL; 1726 } 1727 1728 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1729 { 1730 struct via82xx *chip = ac97->private_data; 1731 chip->ac97 = NULL; 1732 } 1733 1734 static struct ac97_quirk ac97_quirks[] = { 1735 { 1736 .subvendor = 0x1106, 1737 .subdevice = 0x4161, 1738 .codec_id = 0x56494161, /* VT1612A */ 1739 .name = "Soltek SL-75DRV5", 1740 .type = AC97_TUNE_NONE 1741 }, 1742 { /* FIXME: which codec? */ 1743 .subvendor = 0x1106, 1744 .subdevice = 0x4161, 1745 .name = "ASRock K7VT2", 1746 .type = AC97_TUNE_HP_ONLY 1747 }, 1748 { 1749 .subvendor = 0x1019, 1750 .subdevice = 0x0a81, 1751 .name = "ECS K7VTA3", 1752 .type = AC97_TUNE_HP_ONLY 1753 }, 1754 { 1755 .subvendor = 0x1019, 1756 .subdevice = 0x0a85, 1757 .name = "ECS L7VMM2", 1758 .type = AC97_TUNE_HP_ONLY 1759 }, 1760 { 1761 .subvendor = 0x1849, 1762 .subdevice = 0x3059, 1763 .name = "ASRock K7VM2", 1764 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1765 }, 1766 { 1767 .subvendor = 0x14cd, 1768 .subdevice = 0x7002, 1769 .name = "Unknown", 1770 .type = AC97_TUNE_ALC_JACK 1771 }, 1772 { 1773 .subvendor = 0x1071, 1774 .subdevice = 0x8590, 1775 .name = "Mitac Mobo", 1776 .type = AC97_TUNE_ALC_JACK 1777 }, 1778 { 1779 .subvendor = 0x161f, 1780 .subdevice = 0x202b, 1781 .name = "Arima Notebook", 1782 .type = AC97_TUNE_HP_ONLY, 1783 }, 1784 { 1785 .subvendor = 0x161f, 1786 .subdevice = 0x2032, 1787 .name = "Targa Traveller 811", 1788 .type = AC97_TUNE_HP_ONLY, 1789 }, 1790 { 1791 .subvendor = 0x161f, 1792 .subdevice = 0x2032, 1793 .name = "m680x", 1794 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1795 }, 1796 { 1797 .subvendor = 0x1297, 1798 .subdevice = 0xa232, 1799 .name = "Shuttle AK32VN", 1800 .type = AC97_TUNE_HP_ONLY 1801 }, 1802 { } /* terminator */ 1803 }; 1804 1805 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1806 { 1807 struct snd_ac97_template ac97; 1808 int err; 1809 static struct snd_ac97_bus_ops ops = { 1810 .write = snd_via82xx_codec_write, 1811 .read = snd_via82xx_codec_read, 1812 .wait = snd_via82xx_codec_wait, 1813 }; 1814 1815 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1816 return err; 1817 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1818 chip->ac97_bus->clock = chip->ac97_clock; 1819 1820 memset(&ac97, 0, sizeof(ac97)); 1821 ac97.private_data = chip; 1822 ac97.private_free = snd_via82xx_mixer_free_ac97; 1823 ac97.pci = chip->pci; 1824 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1825 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1826 return err; 1827 1828 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1829 1830 if (chip->chip_type != TYPE_VIA686) { 1831 /* use slot 10/11 */ 1832 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1833 } 1834 1835 return 0; 1836 } 1837 1838 #ifdef SUPPORT_JOYSTICK 1839 #define JOYSTICK_ADDR 0x200 1840 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1841 { 1842 struct gameport *gp; 1843 struct resource *r; 1844 1845 if (!joystick) 1846 return -ENODEV; 1847 1848 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1849 if (!r) { 1850 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1851 JOYSTICK_ADDR); 1852 return -EBUSY; 1853 } 1854 1855 chip->gameport = gp = gameport_allocate_port(); 1856 if (!gp) { 1857 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1858 release_and_free_resource(r); 1859 return -ENOMEM; 1860 } 1861 1862 gameport_set_name(gp, "VIA686 Gameport"); 1863 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1864 gameport_set_dev_parent(gp, &chip->pci->dev); 1865 gp->io = JOYSTICK_ADDR; 1866 gameport_set_port_data(gp, r); 1867 1868 /* Enable legacy joystick port */ 1869 *legacy |= VIA_FUNC_ENABLE_GAME; 1870 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1871 1872 gameport_register_port(chip->gameport); 1873 1874 return 0; 1875 } 1876 1877 static void snd_via686_free_gameport(struct via82xx *chip) 1878 { 1879 if (chip->gameport) { 1880 struct resource *r = gameport_get_port_data(chip->gameport); 1881 1882 gameport_unregister_port(chip->gameport); 1883 chip->gameport = NULL; 1884 release_and_free_resource(r); 1885 } 1886 } 1887 #else 1888 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1889 { 1890 return -ENOSYS; 1891 } 1892 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1893 #endif 1894 1895 1896 /* 1897 * 1898 */ 1899 1900 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1901 { 1902 int i, err, caps; 1903 unsigned char val; 1904 1905 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1906 for (i = 0; i < caps; i++) { 1907 snd_via8233_capture_source.index = i; 1908 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1909 if (err < 0) 1910 return err; 1911 } 1912 if (ac97_can_spdif(chip->ac97)) { 1913 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1914 if (err < 0) 1915 return err; 1916 } 1917 if (chip->chip_type != TYPE_VIA8233A) { 1918 /* when no h/w PCM volume control is found, use DXS volume control 1919 * as the PCM vol control 1920 */ 1921 struct snd_ctl_elem_id sid; 1922 memset(&sid, 0, sizeof(sid)); 1923 strcpy(sid.name, "PCM Playback Volume"); 1924 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1925 if (! snd_ctl_find_id(chip->card, &sid)) { 1926 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1927 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1928 if (err < 0) 1929 return err; 1930 } 1931 else /* Using DXS when PCM emulation is enabled is really weird */ 1932 { 1933 /* Standalone DXS controls */ 1934 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1935 if (err < 0) 1936 return err; 1937 } 1938 } 1939 /* select spdif data slot 10/11 */ 1940 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1941 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1942 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1943 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1944 1945 return 0; 1946 } 1947 1948 static int __devinit snd_via686_init_misc(struct via82xx *chip) 1949 { 1950 unsigned char legacy, legacy_cfg; 1951 int rev_h = 0; 1952 1953 legacy = chip->old_legacy; 1954 legacy_cfg = chip->old_legacy_cfg; 1955 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1956 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1957 if (chip->revision >= VIA_REV_686_H) { 1958 rev_h = 1; 1959 if (mpu_port >= 0x200) { /* force MIDI */ 1960 mpu_port &= 0xfffc; 1961 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1962 #ifdef CONFIG_PM 1963 chip->mpu_port_saved = mpu_port; 1964 #endif 1965 } else { 1966 mpu_port = pci_resource_start(chip->pci, 2); 1967 } 1968 } else { 1969 switch (mpu_port) { /* force MIDI */ 1970 case 0x300: 1971 case 0x310: 1972 case 0x320: 1973 case 0x330: 1974 legacy_cfg &= ~(3 << 2); 1975 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1976 break; 1977 default: /* no, use BIOS settings */ 1978 if (legacy & VIA_FUNC_ENABLE_MIDI) 1979 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1980 break; 1981 } 1982 } 1983 if (mpu_port >= 0x200 && 1984 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1985 != NULL) { 1986 if (rev_h) 1987 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1988 legacy |= VIA_FUNC_ENABLE_MIDI; 1989 } else { 1990 if (rev_h) 1991 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1992 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1993 mpu_port = 0; 1994 } 1995 1996 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1997 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1998 if (chip->mpu_res) { 1999 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2000 mpu_port, MPU401_INFO_INTEGRATED, 2001 chip->irq, 0, &chip->rmidi) < 0) { 2002 printk(KERN_WARNING "unable to initialize MPU-401" 2003 " at 0x%lx, skipping\n", mpu_port); 2004 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2005 } else { 2006 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2007 } 2008 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2009 } 2010 2011 snd_via686_create_gameport(chip, &legacy); 2012 2013 #ifdef CONFIG_PM 2014 chip->legacy_saved = legacy; 2015 chip->legacy_cfg_saved = legacy_cfg; 2016 #endif 2017 2018 return 0; 2019 } 2020 2021 2022 /* 2023 * proc interface 2024 */ 2025 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2026 struct snd_info_buffer *buffer) 2027 { 2028 struct via82xx *chip = entry->private_data; 2029 int i; 2030 2031 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2032 for (i = 0; i < 0xa0; i += 4) { 2033 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2034 } 2035 } 2036 2037 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2038 { 2039 struct snd_info_entry *entry; 2040 2041 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2042 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2043 } 2044 2045 /* 2046 * 2047 */ 2048 2049 static int snd_via82xx_chip_init(struct via82xx *chip) 2050 { 2051 unsigned int val; 2052 unsigned long end_time; 2053 unsigned char pval; 2054 2055 #if 0 /* broken on K7M? */ 2056 if (chip->chip_type == TYPE_VIA686) 2057 /* disable all legacy ports */ 2058 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2059 #endif 2060 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2061 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2062 /* deassert ACLink reset, force SYNC */ 2063 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2064 VIA_ACLINK_CTRL_ENABLE | 2065 VIA_ACLINK_CTRL_RESET | 2066 VIA_ACLINK_CTRL_SYNC); 2067 udelay(100); 2068 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2069 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2070 udelay(100); 2071 #else 2072 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2073 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2074 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2075 udelay(2); 2076 #endif 2077 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2078 /* note - FM data out has trouble with non VRA codecs !! */ 2079 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2080 udelay(100); 2081 } 2082 2083 /* Make sure VRA is enabled, in case we didn't do a 2084 * complete codec reset, above */ 2085 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2086 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2087 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2088 /* note - FM data out has trouble with non VRA codecs !! */ 2089 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2090 udelay(100); 2091 } 2092 2093 /* wait until codec ready */ 2094 end_time = jiffies + msecs_to_jiffies(750); 2095 do { 2096 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2097 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2098 break; 2099 schedule_timeout_uninterruptible(1); 2100 } while (time_before(jiffies, end_time)); 2101 2102 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2103 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2104 2105 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2106 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2107 VIA_REG_AC97_SECONDARY_VALID | 2108 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2109 end_time = jiffies + msecs_to_jiffies(750); 2110 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2111 VIA_REG_AC97_SECONDARY_VALID | 2112 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2113 do { 2114 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2115 chip->ac97_secondary = 1; 2116 goto __ac97_ok2; 2117 } 2118 schedule_timeout_uninterruptible(1); 2119 } while (time_before(jiffies, end_time)); 2120 /* This is ok, the most of motherboards have only one codec */ 2121 2122 __ac97_ok2: 2123 #endif 2124 2125 if (chip->chip_type == TYPE_VIA686) { 2126 /* route FM trap to IRQ, disable FM trap */ 2127 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2128 /* disable all GPI interrupts */ 2129 outl(0, VIAREG(chip, GPI_INTR)); 2130 } 2131 2132 if (chip->chip_type != TYPE_VIA686) { 2133 /* Workaround for Award BIOS bug: 2134 * DXS channels don't work properly with VRA if MC97 is disabled. 2135 */ 2136 struct pci_dev *pci; 2137 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2138 if (pci) { 2139 unsigned char data; 2140 pci_read_config_byte(pci, 0x44, &data); 2141 pci_write_config_byte(pci, 0x44, data | 0x40); 2142 pci_dev_put(pci); 2143 } 2144 } 2145 2146 if (chip->chip_type != TYPE_VIA8233A) { 2147 int i, idx; 2148 for (idx = 0; idx < 4; idx++) { 2149 unsigned long port = chip->port + 0x10 * idx; 2150 for (i = 0; i < 2; i++) { 2151 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2152 outb(chip->playback_volume_c[i], 2153 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2154 } 2155 } 2156 } 2157 2158 return 0; 2159 } 2160 2161 #ifdef CONFIG_PM 2162 /* 2163 * power management 2164 */ 2165 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2166 { 2167 struct snd_card *card = pci_get_drvdata(pci); 2168 struct via82xx *chip = card->private_data; 2169 int i; 2170 2171 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2172 for (i = 0; i < 2; i++) 2173 snd_pcm_suspend_all(chip->pcms[i]); 2174 for (i = 0; i < chip->num_devs; i++) 2175 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2176 synchronize_irq(chip->irq); 2177 snd_ac97_suspend(chip->ac97); 2178 2179 /* save misc values */ 2180 if (chip->chip_type != TYPE_VIA686) { 2181 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2182 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2183 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2184 } 2185 2186 pci_disable_device(pci); 2187 pci_save_state(pci); 2188 pci_set_power_state(pci, pci_choose_state(pci, state)); 2189 return 0; 2190 } 2191 2192 static int snd_via82xx_resume(struct pci_dev *pci) 2193 { 2194 struct snd_card *card = pci_get_drvdata(pci); 2195 struct via82xx *chip = card->private_data; 2196 int i; 2197 2198 pci_set_power_state(pci, PCI_D0); 2199 pci_restore_state(pci); 2200 if (pci_enable_device(pci) < 0) { 2201 printk(KERN_ERR "via82xx: pci_enable_device failed, " 2202 "disabling device\n"); 2203 snd_card_disconnect(card); 2204 return -EIO; 2205 } 2206 pci_set_master(pci); 2207 2208 snd_via82xx_chip_init(chip); 2209 2210 if (chip->chip_type == TYPE_VIA686) { 2211 if (chip->mpu_port_saved) 2212 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2213 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2214 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2215 } else { 2216 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2217 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2218 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2219 } 2220 2221 snd_ac97_resume(chip->ac97); 2222 2223 for (i = 0; i < chip->num_devs; i++) 2224 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2225 2226 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2227 return 0; 2228 } 2229 #endif /* CONFIG_PM */ 2230 2231 static int snd_via82xx_free(struct via82xx *chip) 2232 { 2233 unsigned int i; 2234 2235 if (chip->irq < 0) 2236 goto __end_hw; 2237 /* disable interrupts */ 2238 for (i = 0; i < chip->num_devs; i++) 2239 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2240 synchronize_irq(chip->irq); 2241 __end_hw: 2242 if (chip->irq >= 0) 2243 free_irq(chip->irq, chip); 2244 release_and_free_resource(chip->mpu_res); 2245 pci_release_regions(chip->pci); 2246 2247 if (chip->chip_type == TYPE_VIA686) { 2248 snd_via686_free_gameport(chip); 2249 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2250 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2251 } 2252 pci_disable_device(chip->pci); 2253 kfree(chip); 2254 return 0; 2255 } 2256 2257 static int snd_via82xx_dev_free(struct snd_device *device) 2258 { 2259 struct via82xx *chip = device->device_data; 2260 return snd_via82xx_free(chip); 2261 } 2262 2263 static int __devinit snd_via82xx_create(struct snd_card *card, 2264 struct pci_dev *pci, 2265 int chip_type, 2266 int revision, 2267 unsigned int ac97_clock, 2268 struct via82xx ** r_via) 2269 { 2270 struct via82xx *chip; 2271 int err; 2272 static struct snd_device_ops ops = { 2273 .dev_free = snd_via82xx_dev_free, 2274 }; 2275 2276 if ((err = pci_enable_device(pci)) < 0) 2277 return err; 2278 2279 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2280 pci_disable_device(pci); 2281 return -ENOMEM; 2282 } 2283 2284 chip->chip_type = chip_type; 2285 chip->revision = revision; 2286 2287 spin_lock_init(&chip->reg_lock); 2288 spin_lock_init(&chip->rates[0].lock); 2289 spin_lock_init(&chip->rates[1].lock); 2290 chip->card = card; 2291 chip->pci = pci; 2292 chip->irq = -1; 2293 2294 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2295 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2296 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2297 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2298 2299 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2300 kfree(chip); 2301 pci_disable_device(pci); 2302 return err; 2303 } 2304 chip->port = pci_resource_start(pci, 0); 2305 if (request_irq(pci->irq, 2306 chip_type == TYPE_VIA8233 ? 2307 snd_via8233_interrupt : snd_via686_interrupt, 2308 IRQF_SHARED, 2309 card->driver, chip)) { 2310 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2311 snd_via82xx_free(chip); 2312 return -EBUSY; 2313 } 2314 chip->irq = pci->irq; 2315 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2316 chip->ac97_clock = ac97_clock; 2317 synchronize_irq(chip->irq); 2318 2319 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2320 snd_via82xx_free(chip); 2321 return err; 2322 } 2323 2324 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2325 snd_via82xx_free(chip); 2326 return err; 2327 } 2328 2329 /* The 8233 ac97 controller does not implement the master bit 2330 * in the pci command register. IMHO this is a violation of the PCI spec. 2331 * We call pci_set_master here because it does not hurt. */ 2332 pci_set_master(pci); 2333 2334 snd_card_set_dev(card, &pci->dev); 2335 2336 *r_via = chip; 2337 return 0; 2338 } 2339 2340 struct via823x_info { 2341 int revision; 2342 char *name; 2343 int type; 2344 }; 2345 static struct via823x_info via823x_cards[] __devinitdata = { 2346 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2347 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2348 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2349 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2350 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2351 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2352 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2353 }; 2354 2355 /* 2356 * auto detection of DXS channel supports. 2357 */ 2358 2359 static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { 2360 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2361 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2362 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2363 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2364 SND_PCI_QUIRK(0x1019, 0, "ESC K8", VIA_DXS_SRC), 2365 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2366 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2367 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2368 SND_PCI_QUIRK(0x1043, 0, "ASUS A7/A8", VIA_DXS_NO_VRA), 2369 SND_PCI_QUIRK(0x1071, 0, "Diverse Notebook", VIA_DXS_NO_VRA), 2370 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2371 SND_PCI_QUIRK(0x1106, 0, "ASRock", VIA_DXS_SRC), 2372 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2373 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2374 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2375 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2376 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2377 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2378 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2379 SND_PCI_QUIRK(0x1462, 0, "MSI Mobo", VIA_DXS_SRC), 2380 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2381 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2382 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2383 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2384 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2385 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2386 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2387 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2388 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2389 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2390 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2391 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2392 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2393 SND_PCI_QUIRK(0x1695, 0, "EPoX mobo", VIA_DXS_SRC), 2394 SND_PCI_QUIRK(0x16f3, 0, "Jetway K8", VIA_DXS_SRC), 2395 SND_PCI_QUIRK(0x1734, 0, "FSC Laptop", VIA_DXS_SRC), 2396 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2397 SND_PCI_QUIRK(0x1849, 0, "ASRock mobo", VIA_DXS_SRC), 2398 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2399 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2400 { } /* terminator */ 2401 }; 2402 2403 static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2404 { 2405 const struct snd_pci_quirk *w; 2406 2407 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2408 if (w) { 2409 snd_printdd(KERN_INFO "via82xx: DXS white list for %s found\n", 2410 w->name); 2411 return w->value; 2412 } 2413 2414 /* for newer revision, default to DXS_SRC */ 2415 if (revision >= VIA_REV_8235) 2416 return VIA_DXS_SRC; 2417 2418 /* 2419 * not detected, try 48k rate only to be sure. 2420 */ 2421 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2422 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2423 printk(KERN_INFO " and report if it works on your machine.\n"); 2424 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2425 return VIA_DXS_48K; 2426 }; 2427 2428 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2429 const struct pci_device_id *pci_id) 2430 { 2431 struct snd_card *card; 2432 struct via82xx *chip; 2433 int chip_type = 0, card_type; 2434 unsigned int i; 2435 int err; 2436 2437 card = snd_card_new(index, id, THIS_MODULE, 0); 2438 if (card == NULL) 2439 return -ENOMEM; 2440 2441 card_type = pci_id->driver_data; 2442 switch (card_type) { 2443 case TYPE_CARD_VIA686: 2444 strcpy(card->driver, "VIA686A"); 2445 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2446 chip_type = TYPE_VIA686; 2447 break; 2448 case TYPE_CARD_VIA8233: 2449 chip_type = TYPE_VIA8233; 2450 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2451 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2452 if (pci->revision == via823x_cards[i].revision) { 2453 chip_type = via823x_cards[i].type; 2454 strcpy(card->shortname, via823x_cards[i].name); 2455 break; 2456 } 2457 } 2458 if (chip_type != TYPE_VIA8233A) { 2459 if (dxs_support == VIA_DXS_AUTO) 2460 dxs_support = check_dxs_list(pci, pci->revision); 2461 /* force to use VIA8233 or 8233A model according to 2462 * dxs_support module option 2463 */ 2464 if (dxs_support == VIA_DXS_DISABLE) 2465 chip_type = TYPE_VIA8233A; 2466 else 2467 chip_type = TYPE_VIA8233; 2468 } 2469 if (chip_type == TYPE_VIA8233A) 2470 strcpy(card->driver, "VIA8233A"); 2471 else if (pci->revision >= VIA_REV_8237) 2472 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2473 else 2474 strcpy(card->driver, "VIA8233"); 2475 break; 2476 default: 2477 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2478 err = -EINVAL; 2479 goto __error; 2480 } 2481 2482 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2483 ac97_clock, &chip)) < 0) 2484 goto __error; 2485 card->private_data = chip; 2486 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2487 goto __error; 2488 2489 if (chip_type == TYPE_VIA686) { 2490 if ((err = snd_via686_pcm_new(chip)) < 0 || 2491 (err = snd_via686_init_misc(chip)) < 0) 2492 goto __error; 2493 } else { 2494 if (chip_type == TYPE_VIA8233A) { 2495 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2496 goto __error; 2497 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2498 } else { 2499 if ((err = snd_via8233_pcm_new(chip)) < 0) 2500 goto __error; 2501 if (dxs_support == VIA_DXS_48K) 2502 chip->dxs_fixed = 1; 2503 else if (dxs_support == VIA_DXS_NO_VRA) 2504 chip->no_vra = 1; 2505 else if (dxs_support == VIA_DXS_SRC) { 2506 chip->no_vra = 1; 2507 chip->dxs_src = 1; 2508 } 2509 } 2510 if ((err = snd_via8233_init_misc(chip)) < 0) 2511 goto __error; 2512 } 2513 2514 /* disable interrupts */ 2515 for (i = 0; i < chip->num_devs; i++) 2516 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2517 2518 snprintf(card->longname, sizeof(card->longname), 2519 "%s with %s at %#lx, irq %d", card->shortname, 2520 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2521 2522 snd_via82xx_proc_init(chip); 2523 2524 if ((err = snd_card_register(card)) < 0) { 2525 snd_card_free(card); 2526 return err; 2527 } 2528 pci_set_drvdata(pci, card); 2529 return 0; 2530 2531 __error: 2532 snd_card_free(card); 2533 return err; 2534 } 2535 2536 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2537 { 2538 snd_card_free(pci_get_drvdata(pci)); 2539 pci_set_drvdata(pci, NULL); 2540 } 2541 2542 static struct pci_driver driver = { 2543 .name = "VIA 82xx Audio", 2544 .id_table = snd_via82xx_ids, 2545 .probe = snd_via82xx_probe, 2546 .remove = __devexit_p(snd_via82xx_remove), 2547 #ifdef CONFIG_PM 2548 .suspend = snd_via82xx_suspend, 2549 .resume = snd_via82xx_resume, 2550 #endif 2551 }; 2552 2553 static int __init alsa_card_via82xx_init(void) 2554 { 2555 return pci_register_driver(&driver); 2556 } 2557 2558 static void __exit alsa_card_via82xx_exit(void) 2559 { 2560 pci_unregister_driver(&driver); 2561 } 2562 2563 module_init(alsa_card_via82xx_init) 2564 module_exit(alsa_card_via82xx_exit) 2565