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@suse.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/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@suse.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 89 module_param(index, int, 0444); 90 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 91 module_param(id, charp, 0444); 92 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 93 module_param(mpu_port, long, 0444); 94 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 95 #ifdef SUPPORT_JOYSTICK 96 module_param(joystick, bool, 0444); 97 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 98 #endif 99 module_param(ac97_clock, int, 0444); 100 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 101 module_param(ac97_quirk, charp, 0444); 102 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 103 module_param(dxs_support, int, 0444); 104 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)"); 105 106 /* just for backward compatibility */ 107 static int enable; 108 module_param(enable, bool, 0444); 109 110 111 /* revision numbers for via686 */ 112 #define VIA_REV_686_A 0x10 113 #define VIA_REV_686_B 0x11 114 #define VIA_REV_686_C 0x12 115 #define VIA_REV_686_D 0x13 116 #define VIA_REV_686_E 0x14 117 #define VIA_REV_686_H 0x20 118 119 /* revision numbers for via8233 */ 120 #define VIA_REV_PRE_8233 0x10 /* not in market */ 121 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 122 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 123 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 124 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 125 #define VIA_REV_8237 0x60 126 127 /* 128 * Direct registers 129 */ 130 131 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 132 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 133 134 /* common offsets */ 135 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 136 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 137 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 138 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 139 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 140 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 141 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 142 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 143 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 144 #define VIA_REG_CTRL_START 0x80 /* WO */ 145 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 146 #define VIA_REG_CTRL_AUTOSTART 0x20 147 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 148 #define VIA_REG_CTRL_INT_STOP 0x04 149 #define VIA_REG_CTRL_INT_EOL 0x02 150 #define VIA_REG_CTRL_INT_FLAG 0x01 151 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 152 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 153 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 154 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 155 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 156 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 157 #define VIA_REG_TYPE_INT_LLINE 0x00 158 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 159 #define VIA_REG_TYPE_INT_LESSONE 0x08 160 #define VIA_REG_TYPE_INT_MASK 0x0c 161 #define VIA_REG_TYPE_INT_EOL 0x02 162 #define VIA_REG_TYPE_INT_FLAG 0x01 163 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 164 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 165 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 166 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 167 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 168 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 169 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 170 171 #define DEFINE_VIA_REGSET(name,val) \ 172 enum {\ 173 VIA_REG_##name##_STATUS = (val),\ 174 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 175 VIA_REG_##name##_TYPE = (val) + 0x02,\ 176 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 177 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 178 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 179 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 180 } 181 182 /* playback block */ 183 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 184 DEFINE_VIA_REGSET(CAPTURE, 0x10); 185 DEFINE_VIA_REGSET(FM, 0x20); 186 187 /* AC'97 */ 188 #define VIA_REG_AC97 0x80 /* dword */ 189 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 190 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 191 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 192 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 193 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 194 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 195 #define VIA_REG_AC97_BUSY (1<<24) 196 #define VIA_REG_AC97_READ (1<<23) 197 #define VIA_REG_AC97_CMD_SHIFT 16 198 #define VIA_REG_AC97_CMD_MASK 0x7e 199 #define VIA_REG_AC97_DATA_SHIFT 0 200 #define VIA_REG_AC97_DATA_MASK 0xffff 201 202 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 203 /* via686 */ 204 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 205 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 206 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 207 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 208 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 209 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 210 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 211 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 212 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 213 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 214 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 215 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 216 /* via8233 */ 217 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 218 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 219 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 220 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 221 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 222 #define VIA8233_REG_SGD_CHAN_SDX 0 223 #define VIA8233_REG_SGD_CHAN_MULTI 4 224 #define VIA8233_REG_SGD_CHAN_REC 6 225 #define VIA8233_REG_SGD_CHAN_REC1 7 226 227 #define VIA_REG_GPI_STATUS 0x88 228 #define VIA_REG_GPI_INTR 0x8c 229 230 /* multi-channel and capture registers for via8233 */ 231 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 232 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 233 234 /* via8233-specific registers */ 235 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 236 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 237 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 238 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 239 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 240 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 241 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 242 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 243 244 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 245 246 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 247 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 248 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 249 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 250 251 #define VIA_TBL_BIT_FLAG 0x40000000 252 #define VIA_TBL_BIT_EOL 0x80000000 253 254 /* pci space */ 255 #define VIA_ACLINK_STAT 0x40 256 #define VIA_ACLINK_C11_READY 0x20 257 #define VIA_ACLINK_C10_READY 0x10 258 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 259 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 260 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 261 #define VIA_ACLINK_CTRL 0x41 262 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 263 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 264 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 265 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 266 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 267 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 268 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 269 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 270 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 271 VIA_ACLINK_CTRL_RESET|\ 272 VIA_ACLINK_CTRL_PCM|\ 273 VIA_ACLINK_CTRL_VRA) 274 #define VIA_FUNC_ENABLE 0x42 275 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 276 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 277 #define VIA_FUNC_RX2C_WRITE 0x20 278 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 279 #define VIA_FUNC_ENABLE_GAME 0x08 280 #define VIA_FUNC_ENABLE_FM 0x04 281 #define VIA_FUNC_ENABLE_MIDI 0x02 282 #define VIA_FUNC_ENABLE_SB 0x01 283 #define VIA_PNP_CONTROL 0x43 284 #define VIA_FM_NMI_CTRL 0x48 285 #define VIA8233_VOLCHG_CTRL 0x48 286 #define VIA8233_SPDIF_CTRL 0x49 287 #define VIA8233_SPDIF_DX3 0x08 288 #define VIA8233_SPDIF_SLOT_MASK 0x03 289 #define VIA8233_SPDIF_SLOT_1011 0x00 290 #define VIA8233_SPDIF_SLOT_34 0x01 291 #define VIA8233_SPDIF_SLOT_78 0x02 292 #define VIA8233_SPDIF_SLOT_69 0x03 293 294 /* 295 */ 296 297 #define VIA_DXS_AUTO 0 298 #define VIA_DXS_ENABLE 1 299 #define VIA_DXS_DISABLE 2 300 #define VIA_DXS_48K 3 301 #define VIA_DXS_NO_VRA 4 302 #define VIA_DXS_SRC 5 303 304 305 /* 306 */ 307 308 typedef struct _snd_via82xx via82xx_t; 309 typedef struct via_dev viadev_t; 310 311 /* 312 * pcm stream 313 */ 314 315 struct snd_via_sg_table { 316 unsigned int offset; 317 unsigned int size; 318 } ; 319 320 #define VIA_TABLE_SIZE 255 321 322 struct via_dev { 323 unsigned int reg_offset; 324 unsigned long port; 325 int direction; /* playback = 0, capture = 1 */ 326 snd_pcm_substream_t *substream; 327 int running; 328 unsigned int tbl_entries; /* # descriptors */ 329 struct snd_dma_buffer table; 330 struct snd_via_sg_table *idx_table; 331 /* for recovery from the unexpected pointer */ 332 unsigned int lastpos; 333 unsigned int fragsize; 334 unsigned int bufsize; 335 unsigned int bufsize2; 336 int hwptr_done; /* processed frame position in the buffer */ 337 int in_interrupt; 338 int shadow_shift; 339 }; 340 341 342 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 343 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 344 345 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 346 347 struct via_rate_lock { 348 spinlock_t lock; 349 int rate; 350 int used; 351 }; 352 353 struct _snd_via82xx { 354 int irq; 355 356 unsigned long port; 357 struct resource *mpu_res; 358 int chip_type; 359 unsigned char revision; 360 361 unsigned char old_legacy; 362 unsigned char old_legacy_cfg; 363 #ifdef CONFIG_PM 364 unsigned char legacy_saved; 365 unsigned char legacy_cfg_saved; 366 unsigned char spdif_ctrl_saved; 367 unsigned char capture_src_saved[2]; 368 unsigned int mpu_port_saved; 369 #endif 370 371 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 372 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 373 374 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 375 376 struct pci_dev *pci; 377 snd_card_t *card; 378 379 unsigned int num_devs; 380 unsigned int playback_devno, multi_devno, capture_devno; 381 viadev_t devs[VIA_MAX_DEVS]; 382 struct via_rate_lock rates[2]; /* playback and capture */ 383 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 384 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 385 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 386 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 387 388 snd_pcm_t *pcms[2]; 389 snd_rawmidi_t *rmidi; 390 391 ac97_bus_t *ac97_bus; 392 ac97_t *ac97; 393 unsigned int ac97_clock; 394 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 395 396 spinlock_t reg_lock; 397 snd_info_entry_t *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_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 407 /* 0x1106, 0x3059 */ 408 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 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(viadev_t *dev, snd_pcm_substream_t *substream, 423 struct pci_dev *pci, 424 unsigned int periods, unsigned int fragsize) 425 { 426 unsigned int i, idx, ofs, rest; 427 via82xx_t *chip = snd_pcm_substream_chip(substream); 428 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 429 430 if (dev->table.area == NULL) { 431 /* the start of each lists must be aligned to 8 bytes, 432 * but the kernel pages are much bigger, so we don't care 433 */ 434 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 435 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 436 &dev->table) < 0) 437 return -ENOMEM; 438 } 439 if (! dev->idx_table) { 440 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 441 if (! dev->idx_table) 442 return -ENOMEM; 443 } 444 445 /* fill the entries */ 446 idx = 0; 447 ofs = 0; 448 for (i = 0; i < periods; i++) { 449 rest = fragsize; 450 /* fill descriptors for a period. 451 * a period can be split to several descriptors if it's 452 * over page boundary. 453 */ 454 do { 455 unsigned int r; 456 unsigned int flag; 457 458 if (idx >= VIA_TABLE_SIZE) { 459 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 460 return -EINVAL; 461 } 462 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 463 r = PAGE_SIZE - (ofs % PAGE_SIZE); 464 if (rest < r) 465 r = rest; 466 rest -= r; 467 if (! rest) { 468 if (i == periods - 1) 469 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 470 else 471 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 472 } else 473 flag = 0; /* period continues to the next */ 474 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 475 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 476 dev->idx_table[idx].offset = ofs; 477 dev->idx_table[idx].size = r; 478 ofs += r; 479 idx++; 480 } while (rest > 0); 481 } 482 dev->tbl_entries = idx; 483 dev->bufsize = periods * fragsize; 484 dev->bufsize2 = dev->bufsize / 2; 485 dev->fragsize = fragsize; 486 return 0; 487 } 488 489 490 static int clean_via_table(viadev_t *dev, snd_pcm_substream_t *substream, 491 struct pci_dev *pci) 492 { 493 if (dev->table.area) { 494 snd_dma_free_pages(&dev->table); 495 dev->table.area = NULL; 496 } 497 kfree(dev->idx_table); 498 dev->idx_table = NULL; 499 return 0; 500 } 501 502 /* 503 * Basic I/O 504 */ 505 506 static inline unsigned int snd_via82xx_codec_xread(via82xx_t *chip) 507 { 508 return inl(VIAREG(chip, AC97)); 509 } 510 511 static inline void snd_via82xx_codec_xwrite(via82xx_t *chip, unsigned int val) 512 { 513 outl(val, VIAREG(chip, AC97)); 514 } 515 516 static int snd_via82xx_codec_ready(via82xx_t *chip, int secondary) 517 { 518 unsigned int timeout = 1000; /* 1ms */ 519 unsigned int val; 520 521 while (timeout-- > 0) { 522 udelay(1); 523 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 524 return val & 0xffff; 525 } 526 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", secondary, snd_via82xx_codec_xread(chip)); 527 return -EIO; 528 } 529 530 static int snd_via82xx_codec_valid(via82xx_t *chip, int secondary) 531 { 532 unsigned int timeout = 1000; /* 1ms */ 533 unsigned int val, val1; 534 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 535 VIA_REG_AC97_SECONDARY_VALID; 536 537 while (timeout-- > 0) { 538 val = snd_via82xx_codec_xread(chip); 539 val1 = val & (VIA_REG_AC97_BUSY | stat); 540 if (val1 == stat) 541 return val & 0xffff; 542 udelay(1); 543 } 544 return -EIO; 545 } 546 547 static void snd_via82xx_codec_wait(ac97_t *ac97) 548 { 549 via82xx_t *chip = ac97->private_data; 550 int err; 551 err = snd_via82xx_codec_ready(chip, ac97->num); 552 /* here we need to wait fairly for long time.. */ 553 msleep(500); 554 } 555 556 static void snd_via82xx_codec_write(ac97_t *ac97, 557 unsigned short reg, 558 unsigned short val) 559 { 560 via82xx_t *chip = ac97->private_data; 561 unsigned int xval; 562 563 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 564 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 565 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 566 xval |= val << VIA_REG_AC97_DATA_SHIFT; 567 snd_via82xx_codec_xwrite(chip, xval); 568 snd_via82xx_codec_ready(chip, ac97->num); 569 } 570 571 static unsigned short snd_via82xx_codec_read(ac97_t *ac97, unsigned short reg) 572 { 573 via82xx_t *chip = ac97->private_data; 574 unsigned int xval, val = 0xffff; 575 int again = 0; 576 577 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 578 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 579 xval |= VIA_REG_AC97_READ; 580 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 581 while (1) { 582 if (again++ > 3) { 583 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", ac97->num, snd_via82xx_codec_xread(chip)); 584 return 0xffff; 585 } 586 snd_via82xx_codec_xwrite(chip, xval); 587 udelay (20); 588 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 589 udelay(25); 590 val = snd_via82xx_codec_xread(chip); 591 break; 592 } 593 } 594 return val & 0xffff; 595 } 596 597 static void snd_via82xx_channel_reset(via82xx_t *chip, viadev_t *viadev) 598 { 599 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 600 VIADEV_REG(viadev, OFFSET_CONTROL)); 601 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 602 udelay(50); 603 /* disable interrupts */ 604 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 605 /* clear interrupts */ 606 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 607 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 608 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 609 viadev->lastpos = 0; 610 viadev->hwptr_done = 0; 611 } 612 613 614 /* 615 * Interrupt handler 616 * Used for 686 and 8233A 617 */ 618 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id, struct pt_regs *regs) 619 { 620 via82xx_t *chip = dev_id; 621 unsigned int status; 622 unsigned int i; 623 624 status = inl(VIAREG(chip, SGD_SHADOW)); 625 if (! (status & chip->intr_mask)) { 626 if (chip->rmidi) 627 /* check mpu401 interrupt */ 628 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); 629 return IRQ_NONE; 630 } 631 632 /* check status for each stream */ 633 spin_lock(&chip->reg_lock); 634 for (i = 0; i < chip->num_devs; i++) { 635 viadev_t *viadev = &chip->devs[i]; 636 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 637 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 638 continue; 639 if (viadev->substream && viadev->running) { 640 /* 641 * Update hwptr_done based on 'period elapsed' 642 * interrupts. We'll use it, when the chip returns 0 643 * for OFFSET_CURR_COUNT. 644 */ 645 if (c_status & VIA_REG_STAT_EOL) 646 viadev->hwptr_done = 0; 647 else 648 viadev->hwptr_done += viadev->fragsize; 649 viadev->in_interrupt = c_status; 650 spin_unlock(&chip->reg_lock); 651 snd_pcm_period_elapsed(viadev->substream); 652 spin_lock(&chip->reg_lock); 653 viadev->in_interrupt = 0; 654 } 655 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 656 } 657 spin_unlock(&chip->reg_lock); 658 return IRQ_HANDLED; 659 } 660 661 /* 662 * Interrupt handler 663 */ 664 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id, struct pt_regs *regs) 665 { 666 via82xx_t *chip = dev_id; 667 unsigned int status; 668 unsigned int i; 669 int irqreturn = 0; 670 671 /* check status for each stream */ 672 spin_lock(&chip->reg_lock); 673 status = inl(VIAREG(chip, SGD_SHADOW)); 674 675 for (i = 0; i < chip->num_devs; i++) { 676 viadev_t *viadev = &chip->devs[i]; 677 snd_pcm_substream_t *substream; 678 unsigned char c_status, shadow_status; 679 680 shadow_status = (status >> viadev->shadow_shift) & 681 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 682 VIA_REG_STAT_FLAG); 683 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 684 if (!c_status) 685 continue; 686 687 substream = viadev->substream; 688 if (substream && viadev->running) { 689 /* 690 * Update hwptr_done based on 'period elapsed' 691 * interrupts. We'll use it, when the chip returns 0 692 * for OFFSET_CURR_COUNT. 693 */ 694 if (c_status & VIA_REG_STAT_EOL) 695 viadev->hwptr_done = 0; 696 else 697 viadev->hwptr_done += viadev->fragsize; 698 viadev->in_interrupt = c_status; 699 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 700 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 701 spin_unlock(&chip->reg_lock); 702 703 snd_pcm_period_elapsed(substream); 704 705 spin_lock(&chip->reg_lock); 706 viadev->in_interrupt = 0; 707 } 708 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 709 irqreturn = 1; 710 } 711 spin_unlock(&chip->reg_lock); 712 return IRQ_RETVAL(irqreturn); 713 } 714 715 /* 716 * PCM callbacks 717 */ 718 719 /* 720 * trigger callback 721 */ 722 static int snd_via82xx_pcm_trigger(snd_pcm_substream_t * substream, int cmd) 723 { 724 via82xx_t *chip = snd_pcm_substream_chip(substream); 725 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 726 unsigned char val; 727 728 if (chip->chip_type != TYPE_VIA686) 729 val = VIA_REG_CTRL_INT; 730 else 731 val = 0; 732 switch (cmd) { 733 case SNDRV_PCM_TRIGGER_START: 734 case SNDRV_PCM_TRIGGER_RESUME: 735 val |= VIA_REG_CTRL_START; 736 viadev->running = 1; 737 break; 738 case SNDRV_PCM_TRIGGER_STOP: 739 case SNDRV_PCM_TRIGGER_SUSPEND: 740 val = VIA_REG_CTRL_TERMINATE; 741 viadev->running = 0; 742 break; 743 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 744 val |= VIA_REG_CTRL_PAUSE; 745 viadev->running = 0; 746 break; 747 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 748 viadev->running = 1; 749 break; 750 default: 751 return -EINVAL; 752 } 753 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 754 if (cmd == SNDRV_PCM_TRIGGER_STOP) 755 snd_via82xx_channel_reset(chip, viadev); 756 return 0; 757 } 758 759 760 /* 761 * pointer callbacks 762 */ 763 764 /* 765 * calculate the linear position at the given sg-buffer index and the rest count 766 */ 767 768 #define check_invalid_pos(viadev,pos) \ 769 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 || viadev->lastpos < viadev->bufsize2)) 770 771 static inline unsigned int calc_linear_pos(viadev_t *viadev, unsigned int idx, 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", (int)size, (int)count); 784 res = viadev->lastpos; 785 } else { 786 if (! count) { 787 /* Some mobos report count = 0 on the DMA boundary, 788 * i.e. count = size indeed. 789 * Let's check whether this step is above the expected size. 790 */ 791 int delta = res - viadev->lastpos; 792 if (delta < 0) 793 delta += viadev->bufsize; 794 if ((unsigned int)delta > viadev->fragsize) 795 res = base; 796 } 797 if (check_invalid_pos(viadev, res)) { 798 #ifdef POINTER_DEBUG 799 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", idx, viadev->tbl_entries, viadev->lastpos, viadev->bufsize2, viadev->idx_table[idx].offset, viadev->idx_table[idx].size, count); 800 #endif 801 /* count register returns full size when end of buffer is reached */ 802 res = base + size; 803 if (check_invalid_pos(viadev, res)) { 804 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 805 res = viadev->lastpos; 806 } 807 } 808 } 809 return res; 810 } 811 812 /* 813 * get the current pointer on via686 814 */ 815 static snd_pcm_uframes_t snd_via686_pcm_pointer(snd_pcm_substream_t *substream) 816 { 817 via82xx_t *chip = snd_pcm_substream_chip(substream); 818 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 819 unsigned int idx, ptr, count, res; 820 821 snd_assert(viadev->tbl_entries, return 0); 822 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 823 return 0; 824 825 spin_lock(&chip->reg_lock); 826 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 827 /* The via686a does not have the current index register, 828 * so we need to calculate the index from CURR_PTR. 829 */ 830 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 831 if (ptr <= (unsigned int)viadev->table.addr) 832 idx = 0; 833 else /* CURR_PTR holds the address + 8 */ 834 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 835 res = calc_linear_pos(viadev, idx, count); 836 viadev->lastpos = res; /* remember the last position */ 837 spin_unlock(&chip->reg_lock); 838 839 return bytes_to_frames(substream->runtime, res); 840 } 841 842 /* 843 * get the current pointer on via823x 844 */ 845 static snd_pcm_uframes_t snd_via8233_pcm_pointer(snd_pcm_substream_t *substream) 846 { 847 via82xx_t *chip = snd_pcm_substream_chip(substream); 848 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 849 unsigned int idx, count, res; 850 int status; 851 852 snd_assert(viadev->tbl_entries, return 0); 853 854 spin_lock(&chip->reg_lock); 855 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 856 status = viadev->in_interrupt; 857 if (!status) 858 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 859 860 if (!(status & VIA_REG_STAT_ACTIVE)) { 861 res = 0; 862 goto unlock; 863 } 864 if (count & 0xffffff) { 865 idx = count >> 24; 866 if (idx >= viadev->tbl_entries) { 867 #ifdef POINTER_DEBUG 868 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, viadev->tbl_entries); 869 #endif 870 res = viadev->lastpos; 871 } else { 872 count &= 0xffffff; 873 res = calc_linear_pos(viadev, idx, count); 874 } 875 } else { 876 res = viadev->hwptr_done; 877 if (!viadev->in_interrupt) { 878 if (status & VIA_REG_STAT_EOL) { 879 res = 0; 880 } else 881 if (status & VIA_REG_STAT_FLAG) { 882 res += viadev->fragsize; 883 } 884 } 885 } 886 unlock: 887 viadev->lastpos = res; 888 spin_unlock(&chip->reg_lock); 889 890 return bytes_to_frames(substream->runtime, res); 891 } 892 893 894 /* 895 * hw_params callback: 896 * allocate the buffer and build up the buffer description table 897 */ 898 static int snd_via82xx_hw_params(snd_pcm_substream_t * substream, 899 snd_pcm_hw_params_t * hw_params) 900 { 901 via82xx_t *chip = snd_pcm_substream_chip(substream); 902 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 903 int err; 904 905 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 906 if (err < 0) 907 return err; 908 err = build_via_table(viadev, substream, chip->pci, 909 params_periods(hw_params), 910 params_period_bytes(hw_params)); 911 if (err < 0) 912 return err; 913 914 return 0; 915 } 916 917 /* 918 * hw_free callback: 919 * clean up the buffer description table and release the buffer 920 */ 921 static int snd_via82xx_hw_free(snd_pcm_substream_t * substream) 922 { 923 via82xx_t *chip = snd_pcm_substream_chip(substream); 924 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 925 926 clean_via_table(viadev, substream, chip->pci); 927 snd_pcm_lib_free_pages(substream); 928 return 0; 929 } 930 931 932 /* 933 * set up the table pointer 934 */ 935 static void snd_via82xx_set_table_ptr(via82xx_t *chip, viadev_t *viadev) 936 { 937 snd_via82xx_codec_ready(chip, 0); 938 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 939 udelay(20); 940 snd_via82xx_codec_ready(chip, 0); 941 } 942 943 /* 944 * prepare callback for playback and capture on via686 945 */ 946 static void via686_setup_format(via82xx_t *chip, viadev_t *viadev, snd_pcm_runtime_t *runtime) 947 { 948 snd_via82xx_channel_reset(chip, viadev); 949 /* this must be set after channel_reset */ 950 snd_via82xx_set_table_ptr(chip, viadev); 951 outb(VIA_REG_TYPE_AUTOSTART | 952 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 953 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 954 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 955 VIA_REG_TYPE_INT_EOL | 956 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 957 } 958 959 static int snd_via686_playback_prepare(snd_pcm_substream_t *substream) 960 { 961 via82xx_t *chip = snd_pcm_substream_chip(substream); 962 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 963 snd_pcm_runtime_t *runtime = substream->runtime; 964 965 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 966 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 967 via686_setup_format(chip, viadev, runtime); 968 return 0; 969 } 970 971 static int snd_via686_capture_prepare(snd_pcm_substream_t *substream) 972 { 973 via82xx_t *chip = snd_pcm_substream_chip(substream); 974 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 975 snd_pcm_runtime_t *runtime = substream->runtime; 976 977 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 978 via686_setup_format(chip, viadev, runtime); 979 return 0; 980 } 981 982 /* 983 * lock the current rate 984 */ 985 static int via_lock_rate(struct via_rate_lock *rec, int rate) 986 { 987 int changed = 0; 988 989 spin_lock_irq(&rec->lock); 990 if (rec->rate != rate) { 991 if (rec->rate && rec->used > 1) /* already set */ 992 changed = -EINVAL; 993 else { 994 rec->rate = rate; 995 changed = 1; 996 } 997 } 998 spin_unlock_irq(&rec->lock); 999 return changed; 1000 } 1001 1002 /* 1003 * prepare callback for DSX playback on via823x 1004 */ 1005 static int snd_via8233_playback_prepare(snd_pcm_substream_t *substream) 1006 { 1007 via82xx_t *chip = snd_pcm_substream_chip(substream); 1008 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1009 snd_pcm_runtime_t *runtime = substream->runtime; 1010 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1011 int rate_changed; 1012 u32 rbits; 1013 1014 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1015 return rate_changed; 1016 if (rate_changed) 1017 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1018 chip->no_vra ? 48000 : runtime->rate); 1019 if (chip->spdif_on && viadev->reg_offset == 0x30) 1020 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1021 1022 if (runtime->rate == 48000) 1023 rbits = 0xfffff; 1024 else 1025 rbits = (0x100000 / 48000) * runtime->rate + ((0x100000 % 48000) * runtime->rate) / 48000; 1026 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 1027 snd_via82xx_channel_reset(chip, viadev); 1028 snd_via82xx_set_table_ptr(chip, viadev); 1029 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1030 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1031 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1032 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1033 rbits | /* rate */ 1034 0xff000000, /* STOP index is never reached */ 1035 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1036 udelay(20); 1037 snd_via82xx_codec_ready(chip, 0); 1038 return 0; 1039 } 1040 1041 /* 1042 * prepare callback for multi-channel playback on via823x 1043 */ 1044 static int snd_via8233_multi_prepare(snd_pcm_substream_t *substream) 1045 { 1046 via82xx_t *chip = snd_pcm_substream_chip(substream); 1047 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1048 snd_pcm_runtime_t *runtime = substream->runtime; 1049 unsigned int slots; 1050 int fmt; 1051 1052 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1053 return -EINVAL; 1054 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1055 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1056 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1057 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1058 snd_via82xx_channel_reset(chip, viadev); 1059 snd_via82xx_set_table_ptr(chip, viadev); 1060 1061 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1062 fmt |= runtime->channels << 4; 1063 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1064 #if 0 1065 if (chip->revision == VIA_REV_8233A) 1066 slots = 0; 1067 else 1068 #endif 1069 { 1070 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1071 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1072 switch (runtime->channels) { 1073 case 1: slots = (1<<0) | (1<<4); break; 1074 case 2: slots = (1<<0) | (2<<4); break; 1075 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1076 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1077 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1078 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1079 default: slots = 0; break; 1080 } 1081 } 1082 /* STOP index is never reached */ 1083 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1084 udelay(20); 1085 snd_via82xx_codec_ready(chip, 0); 1086 return 0; 1087 } 1088 1089 /* 1090 * prepare callback for capture on via823x 1091 */ 1092 static int snd_via8233_capture_prepare(snd_pcm_substream_t *substream) 1093 { 1094 via82xx_t *chip = snd_pcm_substream_chip(substream); 1095 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1096 snd_pcm_runtime_t *runtime = substream->runtime; 1097 1098 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1099 return -EINVAL; 1100 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1101 snd_via82xx_channel_reset(chip, viadev); 1102 snd_via82xx_set_table_ptr(chip, viadev); 1103 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1104 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1105 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1106 0xff000000, /* STOP index is never reached */ 1107 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1108 udelay(20); 1109 snd_via82xx_codec_ready(chip, 0); 1110 return 0; 1111 } 1112 1113 1114 /* 1115 * pcm hardware definition, identical for both playback and capture 1116 */ 1117 static snd_pcm_hardware_t snd_via82xx_hw = 1118 { 1119 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1120 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1121 SNDRV_PCM_INFO_MMAP_VALID | 1122 /* SNDRV_PCM_INFO_RESUME | */ 1123 SNDRV_PCM_INFO_PAUSE), 1124 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1125 .rates = SNDRV_PCM_RATE_48000, 1126 .rate_min = 48000, 1127 .rate_max = 48000, 1128 .channels_min = 1, 1129 .channels_max = 2, 1130 .buffer_bytes_max = 128 * 1024, 1131 .period_bytes_min = 32, 1132 .period_bytes_max = 128 * 1024, 1133 .periods_min = 2, 1134 .periods_max = VIA_TABLE_SIZE / 2, 1135 .fifo_size = 0, 1136 }; 1137 1138 1139 /* 1140 * open callback skeleton 1141 */ 1142 static int snd_via82xx_pcm_open(via82xx_t *chip, viadev_t *viadev, snd_pcm_substream_t * substream) 1143 { 1144 snd_pcm_runtime_t *runtime = substream->runtime; 1145 int err; 1146 struct via_rate_lock *ratep; 1147 1148 runtime->hw = snd_via82xx_hw; 1149 1150 /* set the hw rate condition */ 1151 ratep = &chip->rates[viadev->direction]; 1152 spin_lock_irq(&ratep->lock); 1153 ratep->used++; 1154 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1155 /* DXS#3 and spdif is on */ 1156 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1157 snd_pcm_limit_hw_rates(runtime); 1158 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1159 /* fixed DXS playback rate */ 1160 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1161 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1162 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1163 /* use full SRC capabilities of DXS */ 1164 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1165 SNDRV_PCM_RATE_8000_48000); 1166 runtime->hw.rate_min = 8000; 1167 runtime->hw.rate_max = 48000; 1168 } else if (! ratep->rate) { 1169 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1170 runtime->hw.rates = chip->ac97->rates[idx]; 1171 snd_pcm_limit_hw_rates(runtime); 1172 } else { 1173 /* a fixed rate */ 1174 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1175 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1176 } 1177 spin_unlock_irq(&ratep->lock); 1178 1179 /* we may remove following constaint when we modify table entries 1180 in interrupt */ 1181 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1182 return err; 1183 1184 runtime->private_data = viadev; 1185 viadev->substream = substream; 1186 1187 return 0; 1188 } 1189 1190 1191 /* 1192 * open callback for playback on via686 and via823x DSX 1193 */ 1194 static int snd_via82xx_playback_open(snd_pcm_substream_t * substream) 1195 { 1196 via82xx_t *chip = snd_pcm_substream_chip(substream); 1197 viadev_t *viadev = &chip->devs[chip->playback_devno + substream->number]; 1198 int err; 1199 1200 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1201 return err; 1202 return 0; 1203 } 1204 1205 /* 1206 * open callback for playback on via823x multi-channel 1207 */ 1208 static int snd_via8233_multi_open(snd_pcm_substream_t * substream) 1209 { 1210 via82xx_t *chip = snd_pcm_substream_chip(substream); 1211 viadev_t *viadev = &chip->devs[chip->multi_devno]; 1212 int err; 1213 /* channels constraint for VIA8233A 1214 * 3 and 5 channels are not supported 1215 */ 1216 static unsigned int channels[] = { 1217 1, 2, 4, 6 1218 }; 1219 static snd_pcm_hw_constraint_list_t hw_constraints_channels = { 1220 .count = ARRAY_SIZE(channels), 1221 .list = channels, 1222 .mask = 0, 1223 }; 1224 1225 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1226 return err; 1227 substream->runtime->hw.channels_max = 6; 1228 if (chip->revision == VIA_REV_8233A) 1229 snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &hw_constraints_channels); 1230 return 0; 1231 } 1232 1233 /* 1234 * open callback for capture on via686 and via823x 1235 */ 1236 static int snd_via82xx_capture_open(snd_pcm_substream_t * substream) 1237 { 1238 via82xx_t *chip = snd_pcm_substream_chip(substream); 1239 viadev_t *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1240 1241 return snd_via82xx_pcm_open(chip, viadev, substream); 1242 } 1243 1244 /* 1245 * close callback 1246 */ 1247 static int snd_via82xx_pcm_close(snd_pcm_substream_t * substream) 1248 { 1249 via82xx_t *chip = snd_pcm_substream_chip(substream); 1250 viadev_t *viadev = (viadev_t *)substream->runtime->private_data; 1251 struct via_rate_lock *ratep; 1252 1253 /* release the rate lock */ 1254 ratep = &chip->rates[viadev->direction]; 1255 spin_lock_irq(&ratep->lock); 1256 ratep->used--; 1257 if (! ratep->used) 1258 ratep->rate = 0; 1259 spin_unlock_irq(&ratep->lock); 1260 1261 viadev->substream = NULL; 1262 return 0; 1263 } 1264 1265 1266 /* via686 playback callbacks */ 1267 static snd_pcm_ops_t snd_via686_playback_ops = { 1268 .open = snd_via82xx_playback_open, 1269 .close = snd_via82xx_pcm_close, 1270 .ioctl = snd_pcm_lib_ioctl, 1271 .hw_params = snd_via82xx_hw_params, 1272 .hw_free = snd_via82xx_hw_free, 1273 .prepare = snd_via686_playback_prepare, 1274 .trigger = snd_via82xx_pcm_trigger, 1275 .pointer = snd_via686_pcm_pointer, 1276 .page = snd_pcm_sgbuf_ops_page, 1277 }; 1278 1279 /* via686 capture callbacks */ 1280 static snd_pcm_ops_t snd_via686_capture_ops = { 1281 .open = snd_via82xx_capture_open, 1282 .close = snd_via82xx_pcm_close, 1283 .ioctl = snd_pcm_lib_ioctl, 1284 .hw_params = snd_via82xx_hw_params, 1285 .hw_free = snd_via82xx_hw_free, 1286 .prepare = snd_via686_capture_prepare, 1287 .trigger = snd_via82xx_pcm_trigger, 1288 .pointer = snd_via686_pcm_pointer, 1289 .page = snd_pcm_sgbuf_ops_page, 1290 }; 1291 1292 /* via823x DSX playback callbacks */ 1293 static snd_pcm_ops_t snd_via8233_playback_ops = { 1294 .open = snd_via82xx_playback_open, 1295 .close = snd_via82xx_pcm_close, 1296 .ioctl = snd_pcm_lib_ioctl, 1297 .hw_params = snd_via82xx_hw_params, 1298 .hw_free = snd_via82xx_hw_free, 1299 .prepare = snd_via8233_playback_prepare, 1300 .trigger = snd_via82xx_pcm_trigger, 1301 .pointer = snd_via8233_pcm_pointer, 1302 .page = snd_pcm_sgbuf_ops_page, 1303 }; 1304 1305 /* via823x multi-channel playback callbacks */ 1306 static snd_pcm_ops_t snd_via8233_multi_ops = { 1307 .open = snd_via8233_multi_open, 1308 .close = snd_via82xx_pcm_close, 1309 .ioctl = snd_pcm_lib_ioctl, 1310 .hw_params = snd_via82xx_hw_params, 1311 .hw_free = snd_via82xx_hw_free, 1312 .prepare = snd_via8233_multi_prepare, 1313 .trigger = snd_via82xx_pcm_trigger, 1314 .pointer = snd_via8233_pcm_pointer, 1315 .page = snd_pcm_sgbuf_ops_page, 1316 }; 1317 1318 /* via823x capture callbacks */ 1319 static snd_pcm_ops_t snd_via8233_capture_ops = { 1320 .open = snd_via82xx_capture_open, 1321 .close = snd_via82xx_pcm_close, 1322 .ioctl = snd_pcm_lib_ioctl, 1323 .hw_params = snd_via82xx_hw_params, 1324 .hw_free = snd_via82xx_hw_free, 1325 .prepare = snd_via8233_capture_prepare, 1326 .trigger = snd_via82xx_pcm_trigger, 1327 .pointer = snd_via8233_pcm_pointer, 1328 .page = snd_pcm_sgbuf_ops_page, 1329 }; 1330 1331 1332 static void init_viadev(via82xx_t *chip, int idx, unsigned int reg_offset, int shadow_pos, int direction) 1333 { 1334 chip->devs[idx].reg_offset = reg_offset; 1335 chip->devs[idx].shadow_shift = shadow_pos * 4; 1336 chip->devs[idx].direction = direction; 1337 chip->devs[idx].port = chip->port + reg_offset; 1338 } 1339 1340 /* 1341 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1342 */ 1343 static int __devinit snd_via8233_pcm_new(via82xx_t *chip) 1344 { 1345 snd_pcm_t *pcm; 1346 int i, err; 1347 1348 chip->playback_devno = 0; /* x 4 */ 1349 chip->multi_devno = 4; /* x 1 */ 1350 chip->capture_devno = 5; /* x 2 */ 1351 chip->num_devs = 7; 1352 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1353 1354 /* PCM #0: 4 DSX playbacks and 1 capture */ 1355 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1356 if (err < 0) 1357 return err; 1358 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1359 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1360 pcm->private_data = chip; 1361 strcpy(pcm->name, chip->card->shortname); 1362 chip->pcms[0] = pcm; 1363 /* set up playbacks */ 1364 for (i = 0; i < 4; i++) 1365 init_viadev(chip, i, 0x10 * i, i, 0); 1366 /* capture */ 1367 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1368 1369 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1370 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1371 return err; 1372 1373 /* PCM #1: multi-channel playback and 2nd capture */ 1374 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1375 if (err < 0) 1376 return err; 1377 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1378 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1379 pcm->private_data = chip; 1380 strcpy(pcm->name, chip->card->shortname); 1381 chip->pcms[1] = pcm; 1382 /* set up playback */ 1383 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1384 /* set up capture */ 1385 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1386 1387 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1388 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1389 return err; 1390 1391 return 0; 1392 } 1393 1394 /* 1395 * create pcm instances for VIA8233A 1396 */ 1397 static int __devinit snd_via8233a_pcm_new(via82xx_t *chip) 1398 { 1399 snd_pcm_t *pcm; 1400 int err; 1401 1402 chip->multi_devno = 0; 1403 chip->playback_devno = 1; 1404 chip->capture_devno = 2; 1405 chip->num_devs = 3; 1406 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1407 1408 /* PCM #0: multi-channel playback and capture */ 1409 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1410 if (err < 0) 1411 return err; 1412 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1413 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1414 pcm->private_data = chip; 1415 strcpy(pcm->name, chip->card->shortname); 1416 chip->pcms[0] = pcm; 1417 /* set up playback */ 1418 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1419 /* capture */ 1420 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1421 1422 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1423 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1424 return err; 1425 1426 /* SPDIF supported? */ 1427 if (! ac97_can_spdif(chip->ac97)) 1428 return 0; 1429 1430 /* PCM #1: DXS3 playback (for spdif) */ 1431 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1432 if (err < 0) 1433 return err; 1434 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1435 pcm->private_data = chip; 1436 strcpy(pcm->name, chip->card->shortname); 1437 chip->pcms[1] = pcm; 1438 /* set up playback */ 1439 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1440 1441 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1442 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1443 return err; 1444 1445 return 0; 1446 } 1447 1448 /* 1449 * create a pcm instance for via686a/b 1450 */ 1451 static int __devinit snd_via686_pcm_new(via82xx_t *chip) 1452 { 1453 snd_pcm_t *pcm; 1454 int err; 1455 1456 chip->playback_devno = 0; 1457 chip->capture_devno = 1; 1458 chip->num_devs = 2; 1459 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1460 1461 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1462 if (err < 0) 1463 return err; 1464 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1465 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1466 pcm->private_data = chip; 1467 strcpy(pcm->name, chip->card->shortname); 1468 chip->pcms[0] = pcm; 1469 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1470 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1471 1472 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1473 snd_dma_pci_data(chip->pci), 64*1024, 128*1024)) < 0) 1474 return err; 1475 1476 return 0; 1477 } 1478 1479 1480 /* 1481 * Mixer part 1482 */ 1483 1484 static int snd_via8233_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1485 { 1486 /* formerly they were "Line" and "Mic", but it looks like that they 1487 * have nothing to do with the actual physical connections... 1488 */ 1489 static char *texts[2] = { 1490 "Input1", "Input2" 1491 }; 1492 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1493 uinfo->count = 1; 1494 uinfo->value.enumerated.items = 2; 1495 if (uinfo->value.enumerated.item >= 2) 1496 uinfo->value.enumerated.item = 1; 1497 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1498 return 0; 1499 } 1500 1501 static int snd_via8233_capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1502 { 1503 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1504 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1505 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1506 return 0; 1507 } 1508 1509 static int snd_via8233_capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1510 { 1511 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1512 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1513 u8 val, oval; 1514 1515 spin_lock_irq(&chip->reg_lock); 1516 oval = inb(port); 1517 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1518 if (ucontrol->value.enumerated.item[0]) 1519 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1520 if (val != oval) 1521 outb(val, port); 1522 spin_unlock_irq(&chip->reg_lock); 1523 return val != oval; 1524 } 1525 1526 static snd_kcontrol_new_t snd_via8233_capture_source __devinitdata = { 1527 .name = "Input Source Select", 1528 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1529 .info = snd_via8233_capture_source_info, 1530 .get = snd_via8233_capture_source_get, 1531 .put = snd_via8233_capture_source_put, 1532 }; 1533 1534 static int snd_via8233_dxs3_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1535 { 1536 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1537 uinfo->count = 1; 1538 uinfo->value.integer.min = 0; 1539 uinfo->value.integer.max = 1; 1540 return 0; 1541 } 1542 1543 static int snd_via8233_dxs3_spdif_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1544 { 1545 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1546 u8 val; 1547 1548 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1549 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1550 return 0; 1551 } 1552 1553 static int snd_via8233_dxs3_spdif_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1554 { 1555 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1556 u8 val, oval; 1557 1558 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1559 val = oval & ~VIA8233_SPDIF_DX3; 1560 if (ucontrol->value.integer.value[0]) 1561 val |= VIA8233_SPDIF_DX3; 1562 /* save the spdif flag for rate filtering */ 1563 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1564 if (val != oval) { 1565 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1566 return 1; 1567 } 1568 return 0; 1569 } 1570 1571 static snd_kcontrol_new_t snd_via8233_dxs3_spdif_control __devinitdata = { 1572 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1573 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1574 .info = snd_via8233_dxs3_spdif_info, 1575 .get = snd_via8233_dxs3_spdif_get, 1576 .put = snd_via8233_dxs3_spdif_put, 1577 }; 1578 1579 static int snd_via8233_dxs_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 1580 { 1581 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1582 uinfo->count = 2; 1583 uinfo->value.integer.min = 0; 1584 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1585 return 0; 1586 } 1587 1588 static int snd_via8233_dxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1589 { 1590 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1591 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1592 1593 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1594 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1595 return 0; 1596 } 1597 1598 static int snd_via8233_pcmdxs_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1599 { 1600 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1601 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1602 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1603 return 0; 1604 } 1605 1606 static int snd_via8233_dxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1607 { 1608 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1609 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1610 unsigned long port = chip->port + 0x10 * idx; 1611 unsigned char val; 1612 int i, change = 0; 1613 1614 for (i = 0; i < 2; i++) { 1615 val = ucontrol->value.integer.value[i]; 1616 if (val > VIA_DXS_MAX_VOLUME) 1617 val = VIA_DXS_MAX_VOLUME; 1618 val = VIA_DXS_MAX_VOLUME - val; 1619 change |= val != chip->playback_volume[idx][i]; 1620 if (change) { 1621 chip->playback_volume[idx][i] = val; 1622 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1623 } 1624 } 1625 return change; 1626 } 1627 1628 static int snd_via8233_pcmdxs_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 1629 { 1630 via82xx_t *chip = snd_kcontrol_chip(kcontrol); 1631 unsigned int idx; 1632 unsigned char val; 1633 int i, change = 0; 1634 1635 for (i = 0; i < 2; i++) { 1636 val = ucontrol->value.integer.value[i]; 1637 if (val > VIA_DXS_MAX_VOLUME) 1638 val = VIA_DXS_MAX_VOLUME; 1639 val = VIA_DXS_MAX_VOLUME - val; 1640 if (val != chip->playback_volume_c[i]) { 1641 change = 1; 1642 chip->playback_volume_c[i] = val; 1643 for (idx = 0; idx < 4; idx++) { 1644 unsigned long port = chip->port + 0x10 * idx; 1645 chip->playback_volume[idx][i] = val; 1646 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1647 } 1648 } 1649 } 1650 return change; 1651 } 1652 1653 static snd_kcontrol_new_t snd_via8233_pcmdxs_volume_control __devinitdata = { 1654 .name = "PCM Playback Volume", 1655 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1656 .info = snd_via8233_dxs_volume_info, 1657 .get = snd_via8233_pcmdxs_volume_get, 1658 .put = snd_via8233_pcmdxs_volume_put, 1659 }; 1660 1661 static snd_kcontrol_new_t snd_via8233_dxs_volume_control __devinitdata = { 1662 .name = "VIA DXS Playback Volume", 1663 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1664 .count = 4, 1665 .info = snd_via8233_dxs_volume_info, 1666 .get = snd_via8233_dxs_volume_get, 1667 .put = snd_via8233_dxs_volume_put, 1668 }; 1669 1670 /* 1671 */ 1672 1673 static void snd_via82xx_mixer_free_ac97_bus(ac97_bus_t *bus) 1674 { 1675 via82xx_t *chip = bus->private_data; 1676 chip->ac97_bus = NULL; 1677 } 1678 1679 static void snd_via82xx_mixer_free_ac97(ac97_t *ac97) 1680 { 1681 via82xx_t *chip = ac97->private_data; 1682 chip->ac97 = NULL; 1683 } 1684 1685 static struct ac97_quirk ac97_quirks[] = { 1686 { 1687 .subvendor = 0x1106, 1688 .subdevice = 0x4161, 1689 .codec_id = 0x56494161, /* VT1612A */ 1690 .name = "Soltek SL-75DRV5", 1691 .type = AC97_TUNE_NONE 1692 }, 1693 { /* FIXME: which codec? */ 1694 .subvendor = 0x1106, 1695 .subdevice = 0x4161, 1696 .name = "ASRock K7VT2", 1697 .type = AC97_TUNE_HP_ONLY 1698 }, 1699 { 1700 .subvendor = 0x1019, 1701 .subdevice = 0x0a81, 1702 .name = "ECS K7VTA3", 1703 .type = AC97_TUNE_HP_ONLY 1704 }, 1705 { 1706 .subvendor = 0x1019, 1707 .subdevice = 0x0a85, 1708 .name = "ECS L7VMM2", 1709 .type = AC97_TUNE_HP_ONLY 1710 }, 1711 { 1712 .subvendor = 0x1849, 1713 .subdevice = 0x3059, 1714 .name = "ASRock K7VM2", 1715 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1716 }, 1717 { 1718 .subvendor = 0x14cd, 1719 .subdevice = 0x7002, 1720 .name = "Unknown", 1721 .type = AC97_TUNE_ALC_JACK 1722 }, 1723 { 1724 .subvendor = 0x1071, 1725 .subdevice = 0x8590, 1726 .name = "Mitac Mobo", 1727 .type = AC97_TUNE_ALC_JACK 1728 }, 1729 { 1730 .subvendor = 0x161f, 1731 .subdevice = 0x202b, 1732 .name = "Arima Notebook", 1733 .type = AC97_TUNE_HP_ONLY, 1734 }, 1735 { } /* terminator */ 1736 }; 1737 1738 static int __devinit snd_via82xx_mixer_new(via82xx_t *chip, const char *quirk_override) 1739 { 1740 ac97_template_t ac97; 1741 int err; 1742 static ac97_bus_ops_t ops = { 1743 .write = snd_via82xx_codec_write, 1744 .read = snd_via82xx_codec_read, 1745 .wait = snd_via82xx_codec_wait, 1746 }; 1747 1748 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1749 return err; 1750 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1751 chip->ac97_bus->clock = chip->ac97_clock; 1752 1753 memset(&ac97, 0, sizeof(ac97)); 1754 ac97.private_data = chip; 1755 ac97.private_free = snd_via82xx_mixer_free_ac97; 1756 ac97.pci = chip->pci; 1757 ac97.scaps = AC97_SCAP_SKIP_MODEM; 1758 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1759 return err; 1760 1761 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1762 1763 if (chip->chip_type != TYPE_VIA686) { 1764 /* use slot 10/11 */ 1765 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1766 } 1767 1768 return 0; 1769 } 1770 1771 #ifdef SUPPORT_JOYSTICK 1772 #define JOYSTICK_ADDR 0x200 1773 static int __devinit snd_via686_create_gameport(via82xx_t *chip, unsigned char *legacy) 1774 { 1775 struct gameport *gp; 1776 struct resource *r; 1777 1778 if (!joystick) 1779 return -ENODEV; 1780 1781 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1782 if (!r) { 1783 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", JOYSTICK_ADDR); 1784 return -EBUSY; 1785 } 1786 1787 chip->gameport = gp = gameport_allocate_port(); 1788 if (!gp) { 1789 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1790 release_and_free_resource(r); 1791 return -ENOMEM; 1792 } 1793 1794 gameport_set_name(gp, "VIA686 Gameport"); 1795 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1796 gameport_set_dev_parent(gp, &chip->pci->dev); 1797 gp->io = JOYSTICK_ADDR; 1798 gameport_set_port_data(gp, r); 1799 1800 /* Enable legacy joystick port */ 1801 *legacy |= VIA_FUNC_ENABLE_GAME; 1802 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1803 1804 gameport_register_port(chip->gameport); 1805 1806 return 0; 1807 } 1808 1809 static void snd_via686_free_gameport(via82xx_t *chip) 1810 { 1811 if (chip->gameport) { 1812 struct resource *r = gameport_get_port_data(chip->gameport); 1813 1814 gameport_unregister_port(chip->gameport); 1815 chip->gameport = NULL; 1816 release_and_free_resource(r); 1817 } 1818 } 1819 #else 1820 static inline int snd_via686_create_gameport(via82xx_t *chip, unsigned char *legacy) 1821 { 1822 return -ENOSYS; 1823 } 1824 static inline void snd_via686_free_gameport(via82xx_t *chip) { } 1825 #endif 1826 1827 1828 /* 1829 * 1830 */ 1831 1832 static int __devinit snd_via8233_init_misc(via82xx_t *chip) 1833 { 1834 int i, err, caps; 1835 unsigned char val; 1836 1837 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1838 for (i = 0; i < caps; i++) { 1839 snd_via8233_capture_source.index = i; 1840 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1841 if (err < 0) 1842 return err; 1843 } 1844 if (ac97_can_spdif(chip->ac97)) { 1845 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1846 if (err < 0) 1847 return err; 1848 } 1849 if (chip->chip_type != TYPE_VIA8233A) { 1850 /* when no h/w PCM volume control is found, use DXS volume control 1851 * as the PCM vol control 1852 */ 1853 snd_ctl_elem_id_t sid; 1854 memset(&sid, 0, sizeof(sid)); 1855 strcpy(sid.name, "PCM Playback Volume"); 1856 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1857 if (! snd_ctl_find_id(chip->card, &sid)) { 1858 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1859 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1860 if (err < 0) 1861 return err; 1862 } 1863 else /* Using DXS when PCM emulation is enabled is really weird */ 1864 { 1865 /* Standalone DXS controls */ 1866 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1867 if (err < 0) 1868 return err; 1869 } 1870 } 1871 /* select spdif data slot 10/11 */ 1872 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1873 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1874 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1875 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1876 1877 return 0; 1878 } 1879 1880 static int __devinit snd_via686_init_misc(via82xx_t *chip) 1881 { 1882 unsigned char legacy, legacy_cfg; 1883 int rev_h = 0; 1884 1885 legacy = chip->old_legacy; 1886 legacy_cfg = chip->old_legacy_cfg; 1887 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1888 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1889 if (chip->revision >= VIA_REV_686_H) { 1890 rev_h = 1; 1891 if (mpu_port >= 0x200) { /* force MIDI */ 1892 mpu_port &= 0xfffc; 1893 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1894 #ifdef CONFIG_PM 1895 chip->mpu_port_saved = mpu_port; 1896 #endif 1897 } else { 1898 mpu_port = pci_resource_start(chip->pci, 2); 1899 } 1900 } else { 1901 switch (mpu_port) { /* force MIDI */ 1902 case 0x300: 1903 case 0x310: 1904 case 0x320: 1905 case 0x330: 1906 legacy_cfg &= ~(3 << 2); 1907 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1908 break; 1909 default: /* no, use BIOS settings */ 1910 if (legacy & VIA_FUNC_ENABLE_MIDI) 1911 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1912 break; 1913 } 1914 } 1915 if (mpu_port >= 0x200 && 1916 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1917 != NULL) { 1918 if (rev_h) 1919 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1920 legacy |= VIA_FUNC_ENABLE_MIDI; 1921 } else { 1922 if (rev_h) 1923 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1924 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1925 mpu_port = 0; 1926 } 1927 1928 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1929 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1930 if (chip->mpu_res) { 1931 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1932 mpu_port, 1, 1933 chip->irq, 0, &chip->rmidi) < 0) { 1934 printk(KERN_WARNING "unable to initialize MPU-401" 1935 " at 0x%lx, skipping\n", mpu_port); 1936 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1937 } else { 1938 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 1939 } 1940 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1941 } 1942 1943 snd_via686_create_gameport(chip, &legacy); 1944 1945 #ifdef CONFIG_PM 1946 chip->legacy_saved = legacy; 1947 chip->legacy_cfg_saved = legacy_cfg; 1948 #endif 1949 1950 return 0; 1951 } 1952 1953 1954 /* 1955 * proc interface 1956 */ 1957 static void snd_via82xx_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer) 1958 { 1959 via82xx_t *chip = entry->private_data; 1960 int i; 1961 1962 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 1963 for (i = 0; i < 0xa0; i += 4) { 1964 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 1965 } 1966 } 1967 1968 static void __devinit snd_via82xx_proc_init(via82xx_t *chip) 1969 { 1970 snd_info_entry_t *entry; 1971 1972 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 1973 snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); 1974 } 1975 1976 /* 1977 * 1978 */ 1979 1980 static int snd_via82xx_chip_init(via82xx_t *chip) 1981 { 1982 unsigned int val; 1983 unsigned long end_time; 1984 unsigned char pval; 1985 1986 #if 0 /* broken on K7M? */ 1987 if (chip->chip_type == TYPE_VIA686) 1988 /* disable all legacy ports */ 1989 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 1990 #endif 1991 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 1992 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 1993 /* deassert ACLink reset, force SYNC */ 1994 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 1995 VIA_ACLINK_CTRL_ENABLE | 1996 VIA_ACLINK_CTRL_RESET | 1997 VIA_ACLINK_CTRL_SYNC); 1998 udelay(100); 1999 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2000 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2001 udelay(100); 2002 #else 2003 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2004 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2005 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2006 udelay(2); 2007 #endif 2008 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2009 /* note - FM data out has trouble with non VRA codecs !! */ 2010 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2011 udelay(100); 2012 } 2013 2014 /* Make sure VRA is enabled, in case we didn't do a 2015 * complete codec reset, above */ 2016 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2017 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2018 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2019 /* note - FM data out has trouble with non VRA codecs !! */ 2020 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2021 udelay(100); 2022 } 2023 2024 /* wait until codec ready */ 2025 end_time = jiffies + msecs_to_jiffies(750); 2026 do { 2027 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2028 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2029 break; 2030 set_current_state(TASK_UNINTERRUPTIBLE); 2031 schedule_timeout(1); 2032 } while (time_before(jiffies, end_time)); 2033 2034 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2035 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2036 2037 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2038 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2039 VIA_REG_AC97_SECONDARY_VALID | 2040 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2041 end_time = jiffies + msecs_to_jiffies(750); 2042 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2043 VIA_REG_AC97_SECONDARY_VALID | 2044 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2045 do { 2046 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2047 chip->ac97_secondary = 1; 2048 goto __ac97_ok2; 2049 } 2050 set_current_state(TASK_INTERRUPTIBLE); 2051 schedule_timeout(1); 2052 } while (time_before(jiffies, end_time)); 2053 /* This is ok, the most of motherboards have only one codec */ 2054 2055 __ac97_ok2: 2056 #endif 2057 2058 if (chip->chip_type == TYPE_VIA686) { 2059 /* route FM trap to IRQ, disable FM trap */ 2060 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2061 /* disable all GPI interrupts */ 2062 outl(0, VIAREG(chip, GPI_INTR)); 2063 } 2064 2065 if (chip->chip_type != TYPE_VIA686) { 2066 /* Workaround for Award BIOS bug: 2067 * DXS channels don't work properly with VRA if MC97 is disabled. 2068 */ 2069 struct pci_dev *pci; 2070 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2071 if (pci) { 2072 unsigned char data; 2073 pci_read_config_byte(pci, 0x44, &data); 2074 pci_write_config_byte(pci, 0x44, data | 0x40); 2075 pci_dev_put(pci); 2076 } 2077 } 2078 2079 if (chip->chip_type != TYPE_VIA8233A) { 2080 int i, idx; 2081 for (idx = 0; idx < 4; idx++) { 2082 unsigned long port = chip->port + 0x10 * idx; 2083 for (i = 0; i < 2; i++) { 2084 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2085 outb(chip->playback_volume_c[i], port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2086 } 2087 } 2088 } 2089 2090 return 0; 2091 } 2092 2093 #ifdef CONFIG_PM 2094 /* 2095 * power management 2096 */ 2097 static int snd_via82xx_suspend(snd_card_t *card, pm_message_t state) 2098 { 2099 via82xx_t *chip = card->pm_private_data; 2100 int i; 2101 2102 for (i = 0; i < 2; i++) 2103 if (chip->pcms[i]) 2104 snd_pcm_suspend_all(chip->pcms[i]); 2105 for (i = 0; i < chip->num_devs; i++) 2106 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2107 synchronize_irq(chip->irq); 2108 snd_ac97_suspend(chip->ac97); 2109 2110 /* save misc values */ 2111 if (chip->chip_type != TYPE_VIA686) { 2112 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2113 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2114 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2115 } 2116 2117 pci_set_power_state(chip->pci, 3); 2118 pci_disable_device(chip->pci); 2119 return 0; 2120 } 2121 2122 static int snd_via82xx_resume(snd_card_t *card) 2123 { 2124 via82xx_t *chip = card->pm_private_data; 2125 int i; 2126 2127 pci_enable_device(chip->pci); 2128 pci_set_power_state(chip->pci, 0); 2129 2130 snd_via82xx_chip_init(chip); 2131 2132 if (chip->chip_type == TYPE_VIA686) { 2133 if (chip->mpu_port_saved) 2134 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2135 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2136 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2137 } else { 2138 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2139 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2140 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2141 } 2142 2143 snd_ac97_resume(chip->ac97); 2144 2145 for (i = 0; i < chip->num_devs; i++) 2146 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2147 2148 return 0; 2149 } 2150 #endif /* CONFIG_PM */ 2151 2152 static int snd_via82xx_free(via82xx_t *chip) 2153 { 2154 unsigned int i; 2155 2156 if (chip->irq < 0) 2157 goto __end_hw; 2158 /* disable interrupts */ 2159 for (i = 0; i < chip->num_devs; i++) 2160 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2161 synchronize_irq(chip->irq); 2162 __end_hw: 2163 if (chip->irq >= 0) 2164 free_irq(chip->irq, (void *)chip); 2165 release_and_free_resource(chip->mpu_res); 2166 pci_release_regions(chip->pci); 2167 2168 if (chip->chip_type == TYPE_VIA686) { 2169 snd_via686_free_gameport(chip); 2170 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2171 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2172 } 2173 pci_disable_device(chip->pci); 2174 kfree(chip); 2175 return 0; 2176 } 2177 2178 static int snd_via82xx_dev_free(snd_device_t *device) 2179 { 2180 via82xx_t *chip = device->device_data; 2181 return snd_via82xx_free(chip); 2182 } 2183 2184 static int __devinit snd_via82xx_create(snd_card_t * card, 2185 struct pci_dev *pci, 2186 int chip_type, 2187 int revision, 2188 unsigned int ac97_clock, 2189 via82xx_t ** r_via) 2190 { 2191 via82xx_t *chip; 2192 int err; 2193 static snd_device_ops_t ops = { 2194 .dev_free = snd_via82xx_dev_free, 2195 }; 2196 2197 if ((err = pci_enable_device(pci)) < 0) 2198 return err; 2199 2200 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2201 pci_disable_device(pci); 2202 return -ENOMEM; 2203 } 2204 2205 chip->chip_type = chip_type; 2206 chip->revision = revision; 2207 2208 spin_lock_init(&chip->reg_lock); 2209 spin_lock_init(&chip->rates[0].lock); 2210 spin_lock_init(&chip->rates[1].lock); 2211 chip->card = card; 2212 chip->pci = pci; 2213 chip->irq = -1; 2214 2215 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2216 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2217 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2218 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2219 2220 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2221 kfree(chip); 2222 pci_disable_device(pci); 2223 return err; 2224 } 2225 chip->port = pci_resource_start(pci, 0); 2226 if (request_irq(pci->irq, 2227 chip_type == TYPE_VIA8233 ? 2228 snd_via8233_interrupt : snd_via686_interrupt, 2229 SA_INTERRUPT|SA_SHIRQ, 2230 card->driver, (void *)chip)) { 2231 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2232 snd_via82xx_free(chip); 2233 return -EBUSY; 2234 } 2235 chip->irq = pci->irq; 2236 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2237 chip->ac97_clock = ac97_clock; 2238 synchronize_irq(chip->irq); 2239 2240 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2241 snd_via82xx_free(chip); 2242 return err; 2243 } 2244 2245 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2246 snd_via82xx_free(chip); 2247 return err; 2248 } 2249 2250 /* The 8233 ac97 controller does not implement the master bit 2251 * in the pci command register. IMHO this is a violation of the PCI spec. 2252 * We call pci_set_master here because it does not hurt. */ 2253 pci_set_master(pci); 2254 2255 snd_card_set_dev(card, &pci->dev); 2256 2257 *r_via = chip; 2258 return 0; 2259 } 2260 2261 struct via823x_info { 2262 int revision; 2263 char *name; 2264 int type; 2265 }; 2266 static struct via823x_info via823x_cards[] __devinitdata = { 2267 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2268 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2269 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2270 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2271 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2272 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2273 }; 2274 2275 /* 2276 * auto detection of DXS channel supports. 2277 */ 2278 struct dxs_whitelist { 2279 unsigned short subvendor; 2280 unsigned short subdevice; 2281 unsigned short mask; 2282 short action; /* new dxs_support value */ 2283 }; 2284 2285 static int __devinit check_dxs_list(struct pci_dev *pci) 2286 { 2287 static struct dxs_whitelist whitelist[] = { 2288 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2289 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2290 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2291 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2292 { .subvendor = 0x1019, .subdevice = 0xa101, .action = VIA_DXS_SRC }, 2293 { .subvendor = 0x1025, .subdevice = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2294 { .subvendor = 0x1025, .subdevice = 0x0046, .action = VIA_DXS_SRC }, /* Acer Aspire 1524 WLMi */ 2295 { .subvendor = 0x1043, .subdevice = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2296 { .subvendor = 0x1043, .subdevice = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2297 { .subvendor = 0x1043, .subdevice = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2298 { .subvendor = 0x1043, .subdevice = 0x810d, .action = VIA_DXS_SRC }, /* ASUS */ 2299 { .subvendor = 0x1043, .subdevice = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2300 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2301 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2302 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2303 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2304 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2305 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2306 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2307 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2308 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2309 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2310 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2311 { .subvendor = 0x1462, .subdevice = 0x0430, .action = VIA_DXS_SRC }, /* MSI 7142 (K8MM-V) */ 2312 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2313 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2314 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2315 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2316 { .subvendor = 0x1462, .subdevice = 0x7142, .action = VIA_DXS_ENABLE }, /* MSI K8MM-V */ 2317 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2318 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2319 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2320 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2321 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2322 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_SRC }, /* Twinhead laptop */ 2323 { .subvendor = 0x1558, .subdevice = 0x4701, .action = VIA_DXS_SRC }, /* Clevo D470 */ 2324 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2325 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2326 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2327 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2328 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2329 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2330 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2331 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2332 { .subvendor = 0x4005, .subdevice = 0x4710, .action = VIA_DXS_SRC }, /* MSI K7T266 Pro2 (MS-6380 V2.0) BIOS 3.7 */ 2333 { } /* terminator */ 2334 }; 2335 struct dxs_whitelist *w; 2336 unsigned short subsystem_vendor; 2337 unsigned short subsystem_device; 2338 2339 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2340 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2341 2342 for (w = whitelist; w->subvendor; w++) { 2343 if (w->subvendor != subsystem_vendor) 2344 continue; 2345 if (w->mask) { 2346 if ((w->mask & subsystem_device) == w->subdevice) 2347 return w->action; 2348 } else { 2349 if (subsystem_device == w->subdevice) 2350 return w->action; 2351 } 2352 } 2353 2354 /* 2355 * not detected, try 48k rate only to be sure. 2356 */ 2357 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2358 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2359 printk(KERN_INFO " and report if it works on your machine.\n"); 2360 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2361 return VIA_DXS_48K; 2362 }; 2363 2364 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2365 const struct pci_device_id *pci_id) 2366 { 2367 snd_card_t *card; 2368 via82xx_t *chip; 2369 unsigned char revision; 2370 int chip_type = 0, card_type; 2371 unsigned int i; 2372 int err; 2373 2374 card = snd_card_new(index, id, THIS_MODULE, 0); 2375 if (card == NULL) 2376 return -ENOMEM; 2377 2378 card_type = pci_id->driver_data; 2379 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2380 switch (card_type) { 2381 case TYPE_CARD_VIA686: 2382 strcpy(card->driver, "VIA686A"); 2383 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2384 chip_type = TYPE_VIA686; 2385 break; 2386 case TYPE_CARD_VIA8233: 2387 chip_type = TYPE_VIA8233; 2388 sprintf(card->shortname, "VIA 823x rev%x", revision); 2389 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2390 if (revision == via823x_cards[i].revision) { 2391 chip_type = via823x_cards[i].type; 2392 strcpy(card->shortname, via823x_cards[i].name); 2393 break; 2394 } 2395 } 2396 if (chip_type != TYPE_VIA8233A) { 2397 if (dxs_support == VIA_DXS_AUTO) 2398 dxs_support = check_dxs_list(pci); 2399 /* force to use VIA8233 or 8233A model according to 2400 * dxs_support module option 2401 */ 2402 if (dxs_support == VIA_DXS_DISABLE) 2403 chip_type = TYPE_VIA8233A; 2404 else 2405 chip_type = TYPE_VIA8233; 2406 } 2407 if (chip_type == TYPE_VIA8233A) 2408 strcpy(card->driver, "VIA8233A"); 2409 else if (revision >= VIA_REV_8237) 2410 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2411 else 2412 strcpy(card->driver, "VIA8233"); 2413 break; 2414 default: 2415 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2416 err = -EINVAL; 2417 goto __error; 2418 } 2419 2420 if ((err = snd_via82xx_create(card, pci, chip_type, revision, 2421 ac97_clock, &chip)) < 0) 2422 goto __error; 2423 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2424 goto __error; 2425 2426 if (chip_type == TYPE_VIA686) { 2427 if ((err = snd_via686_pcm_new(chip)) < 0 || 2428 (err = snd_via686_init_misc(chip)) < 0) 2429 goto __error; 2430 } else { 2431 if (chip_type == TYPE_VIA8233A) { 2432 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2433 goto __error; 2434 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2435 } else { 2436 if ((err = snd_via8233_pcm_new(chip)) < 0) 2437 goto __error; 2438 if (dxs_support == VIA_DXS_48K) 2439 chip->dxs_fixed = 1; 2440 else if (dxs_support == VIA_DXS_NO_VRA) 2441 chip->no_vra = 1; 2442 else if (dxs_support == VIA_DXS_SRC) { 2443 chip->no_vra = 1; 2444 chip->dxs_src = 1; 2445 } 2446 } 2447 if ((err = snd_via8233_init_misc(chip)) < 0) 2448 goto __error; 2449 } 2450 2451 snd_card_set_pm_callback(card, snd_via82xx_suspend, snd_via82xx_resume, chip); 2452 2453 /* disable interrupts */ 2454 for (i = 0; i < chip->num_devs; i++) 2455 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2456 2457 snprintf(card->longname, sizeof(card->longname), 2458 "%s with %s at %#lx, irq %d", card->shortname, 2459 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2460 2461 snd_via82xx_proc_init(chip); 2462 2463 if ((err = snd_card_register(card)) < 0) { 2464 snd_card_free(card); 2465 return err; 2466 } 2467 pci_set_drvdata(pci, card); 2468 return 0; 2469 2470 __error: 2471 snd_card_free(card); 2472 return err; 2473 } 2474 2475 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2476 { 2477 snd_card_free(pci_get_drvdata(pci)); 2478 pci_set_drvdata(pci, NULL); 2479 } 2480 2481 static struct pci_driver driver = { 2482 .name = "VIA 82xx Audio", 2483 .owner = THIS_MODULE, 2484 .id_table = snd_via82xx_ids, 2485 .probe = snd_via82xx_probe, 2486 .remove = __devexit_p(snd_via82xx_remove), 2487 SND_PCI_PM_CALLBACKS 2488 }; 2489 2490 static int __init alsa_card_via82xx_init(void) 2491 { 2492 return pci_register_driver(&driver); 2493 } 2494 2495 static void __exit alsa_card_via82xx_exit(void) 2496 { 2497 pci_unregister_driver(&driver); 2498 } 2499 2500 module_init(alsa_card_via82xx_init) 2501 module_exit(alsa_card_via82xx_exit) 2502