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 * pcm stream 307 */ 308 309 struct snd_via_sg_table { 310 unsigned int offset; 311 unsigned int size; 312 } ; 313 314 #define VIA_TABLE_SIZE 255 315 316 struct viadev { 317 unsigned int reg_offset; 318 unsigned long port; 319 int direction; /* playback = 0, capture = 1 */ 320 struct snd_pcm_substream *substream; 321 int running; 322 unsigned int tbl_entries; /* # descriptors */ 323 struct snd_dma_buffer table; 324 struct snd_via_sg_table *idx_table; 325 /* for recovery from the unexpected pointer */ 326 unsigned int lastpos; 327 unsigned int fragsize; 328 unsigned int bufsize; 329 unsigned int bufsize2; 330 int hwptr_done; /* processed frame position in the buffer */ 331 int in_interrupt; 332 int shadow_shift; 333 }; 334 335 336 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 337 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 338 339 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 340 341 struct via_rate_lock { 342 spinlock_t lock; 343 int rate; 344 int used; 345 }; 346 347 struct via82xx { 348 int irq; 349 350 unsigned long port; 351 struct resource *mpu_res; 352 int chip_type; 353 unsigned char revision; 354 355 unsigned char old_legacy; 356 unsigned char old_legacy_cfg; 357 #ifdef CONFIG_PM 358 unsigned char legacy_saved; 359 unsigned char legacy_cfg_saved; 360 unsigned char spdif_ctrl_saved; 361 unsigned char capture_src_saved[2]; 362 unsigned int mpu_port_saved; 363 #endif 364 365 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 366 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 367 368 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 369 370 struct pci_dev *pci; 371 struct snd_card *card; 372 373 unsigned int num_devs; 374 unsigned int playback_devno, multi_devno, capture_devno; 375 struct viadev devs[VIA_MAX_DEVS]; 376 struct via_rate_lock rates[2]; /* playback and capture */ 377 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 378 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 379 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 380 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 381 382 struct snd_pcm *pcms[2]; 383 struct snd_rawmidi *rmidi; 384 385 struct snd_ac97_bus *ac97_bus; 386 struct snd_ac97 *ac97; 387 unsigned int ac97_clock; 388 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 389 390 spinlock_t reg_lock; 391 struct snd_info_entry *proc_entry; 392 393 #ifdef SUPPORT_JOYSTICK 394 struct gameport *gameport; 395 #endif 396 }; 397 398 static struct pci_device_id snd_via82xx_ids[] = { 399 /* 0x1106, 0x3058 */ 400 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 401 /* 0x1106, 0x3059 */ 402 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 403 { 0, } 404 }; 405 406 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 407 408 /* 409 */ 410 411 /* 412 * allocate and initialize the descriptor buffers 413 * periods = number of periods 414 * fragsize = period size in bytes 415 */ 416 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 417 struct pci_dev *pci, 418 unsigned int periods, unsigned int fragsize) 419 { 420 unsigned int i, idx, ofs, rest; 421 struct via82xx *chip = snd_pcm_substream_chip(substream); 422 struct snd_sg_buf *sgbuf = snd_pcm_substream_sgbuf(substream); 423 424 if (dev->table.area == NULL) { 425 /* the start of each lists must be aligned to 8 bytes, 426 * but the kernel pages are much bigger, so we don't care 427 */ 428 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 429 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 430 &dev->table) < 0) 431 return -ENOMEM; 432 } 433 if (! dev->idx_table) { 434 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 435 if (! dev->idx_table) 436 return -ENOMEM; 437 } 438 439 /* fill the entries */ 440 idx = 0; 441 ofs = 0; 442 for (i = 0; i < periods; i++) { 443 rest = fragsize; 444 /* fill descriptors for a period. 445 * a period can be split to several descriptors if it's 446 * over page boundary. 447 */ 448 do { 449 unsigned int r; 450 unsigned int flag; 451 452 if (idx >= VIA_TABLE_SIZE) { 453 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 454 return -EINVAL; 455 } 456 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32((u32)snd_pcm_sgbuf_get_addr(sgbuf, ofs)); 457 r = PAGE_SIZE - (ofs % PAGE_SIZE); 458 if (rest < r) 459 r = rest; 460 rest -= r; 461 if (! rest) { 462 if (i == periods - 1) 463 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 464 else 465 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 466 } else 467 flag = 0; /* period continues to the next */ 468 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 469 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 470 dev->idx_table[idx].offset = ofs; 471 dev->idx_table[idx].size = r; 472 ofs += r; 473 idx++; 474 } while (rest > 0); 475 } 476 dev->tbl_entries = idx; 477 dev->bufsize = periods * fragsize; 478 dev->bufsize2 = dev->bufsize / 2; 479 dev->fragsize = fragsize; 480 return 0; 481 } 482 483 484 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 485 struct pci_dev *pci) 486 { 487 if (dev->table.area) { 488 snd_dma_free_pages(&dev->table); 489 dev->table.area = NULL; 490 } 491 kfree(dev->idx_table); 492 dev->idx_table = NULL; 493 return 0; 494 } 495 496 /* 497 * Basic I/O 498 */ 499 500 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 501 { 502 return inl(VIAREG(chip, AC97)); 503 } 504 505 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 506 { 507 outl(val, VIAREG(chip, AC97)); 508 } 509 510 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 511 { 512 unsigned int timeout = 1000; /* 1ms */ 513 unsigned int val; 514 515 while (timeout-- > 0) { 516 udelay(1); 517 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 518 return val & 0xffff; 519 } 520 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 521 secondary, snd_via82xx_codec_xread(chip)); 522 return -EIO; 523 } 524 525 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 526 { 527 unsigned int timeout = 1000; /* 1ms */ 528 unsigned int val, val1; 529 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 530 VIA_REG_AC97_SECONDARY_VALID; 531 532 while (timeout-- > 0) { 533 val = snd_via82xx_codec_xread(chip); 534 val1 = val & (VIA_REG_AC97_BUSY | stat); 535 if (val1 == stat) 536 return val & 0xffff; 537 udelay(1); 538 } 539 return -EIO; 540 } 541 542 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 543 { 544 struct via82xx *chip = ac97->private_data; 545 int err; 546 err = snd_via82xx_codec_ready(chip, ac97->num); 547 /* here we need to wait fairly for long time.. */ 548 msleep(500); 549 } 550 551 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 552 unsigned short reg, 553 unsigned short val) 554 { 555 struct via82xx *chip = ac97->private_data; 556 unsigned int xval; 557 558 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 559 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 560 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 561 xval |= val << VIA_REG_AC97_DATA_SHIFT; 562 snd_via82xx_codec_xwrite(chip, xval); 563 snd_via82xx_codec_ready(chip, ac97->num); 564 } 565 566 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 567 { 568 struct via82xx *chip = ac97->private_data; 569 unsigned int xval, val = 0xffff; 570 int again = 0; 571 572 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 573 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 574 xval |= VIA_REG_AC97_READ; 575 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 576 while (1) { 577 if (again++ > 3) { 578 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 579 ac97->num, snd_via82xx_codec_xread(chip)); 580 return 0xffff; 581 } 582 snd_via82xx_codec_xwrite(chip, xval); 583 udelay (20); 584 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 585 udelay(25); 586 val = snd_via82xx_codec_xread(chip); 587 break; 588 } 589 } 590 return val & 0xffff; 591 } 592 593 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 594 { 595 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 596 VIADEV_REG(viadev, OFFSET_CONTROL)); 597 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 598 udelay(50); 599 /* disable interrupts */ 600 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 601 /* clear interrupts */ 602 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 603 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 604 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 605 viadev->lastpos = 0; 606 viadev->hwptr_done = 0; 607 } 608 609 610 /* 611 * Interrupt handler 612 * Used for 686 and 8233A 613 */ 614 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id, struct pt_regs *regs) 615 { 616 struct via82xx *chip = dev_id; 617 unsigned int status; 618 unsigned int i; 619 620 status = inl(VIAREG(chip, SGD_SHADOW)); 621 if (! (status & chip->intr_mask)) { 622 if (chip->rmidi) 623 /* check mpu401 interrupt */ 624 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data, regs); 625 return IRQ_NONE; 626 } 627 628 /* check status for each stream */ 629 spin_lock(&chip->reg_lock); 630 for (i = 0; i < chip->num_devs; i++) { 631 struct viadev *viadev = &chip->devs[i]; 632 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 633 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 634 continue; 635 if (viadev->substream && viadev->running) { 636 /* 637 * Update hwptr_done based on 'period elapsed' 638 * interrupts. We'll use it, when the chip returns 0 639 * for OFFSET_CURR_COUNT. 640 */ 641 if (c_status & VIA_REG_STAT_EOL) 642 viadev->hwptr_done = 0; 643 else 644 viadev->hwptr_done += viadev->fragsize; 645 viadev->in_interrupt = c_status; 646 spin_unlock(&chip->reg_lock); 647 snd_pcm_period_elapsed(viadev->substream); 648 spin_lock(&chip->reg_lock); 649 viadev->in_interrupt = 0; 650 } 651 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 652 } 653 spin_unlock(&chip->reg_lock); 654 return IRQ_HANDLED; 655 } 656 657 /* 658 * Interrupt handler 659 */ 660 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id, struct pt_regs *regs) 661 { 662 struct via82xx *chip = dev_id; 663 unsigned int status; 664 unsigned int i; 665 int irqreturn = 0; 666 667 /* check status for each stream */ 668 spin_lock(&chip->reg_lock); 669 status = inl(VIAREG(chip, SGD_SHADOW)); 670 671 for (i = 0; i < chip->num_devs; i++) { 672 struct viadev *viadev = &chip->devs[i]; 673 struct snd_pcm_substream *substream; 674 unsigned char c_status, shadow_status; 675 676 shadow_status = (status >> viadev->shadow_shift) & 677 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 678 VIA_REG_STAT_FLAG); 679 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 680 if (!c_status) 681 continue; 682 683 substream = viadev->substream; 684 if (substream && viadev->running) { 685 /* 686 * Update hwptr_done based on 'period elapsed' 687 * interrupts. We'll use it, when the chip returns 0 688 * for OFFSET_CURR_COUNT. 689 */ 690 if (c_status & VIA_REG_STAT_EOL) 691 viadev->hwptr_done = 0; 692 else 693 viadev->hwptr_done += viadev->fragsize; 694 viadev->in_interrupt = c_status; 695 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 696 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 697 spin_unlock(&chip->reg_lock); 698 699 snd_pcm_period_elapsed(substream); 700 701 spin_lock(&chip->reg_lock); 702 viadev->in_interrupt = 0; 703 } 704 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 705 irqreturn = 1; 706 } 707 spin_unlock(&chip->reg_lock); 708 return IRQ_RETVAL(irqreturn); 709 } 710 711 /* 712 * PCM callbacks 713 */ 714 715 /* 716 * trigger callback 717 */ 718 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 719 { 720 struct via82xx *chip = snd_pcm_substream_chip(substream); 721 struct viadev *viadev = substream->runtime->private_data; 722 unsigned char val; 723 724 if (chip->chip_type != TYPE_VIA686) 725 val = VIA_REG_CTRL_INT; 726 else 727 val = 0; 728 switch (cmd) { 729 case SNDRV_PCM_TRIGGER_START: 730 case SNDRV_PCM_TRIGGER_RESUME: 731 val |= VIA_REG_CTRL_START; 732 viadev->running = 1; 733 break; 734 case SNDRV_PCM_TRIGGER_STOP: 735 case SNDRV_PCM_TRIGGER_SUSPEND: 736 val = VIA_REG_CTRL_TERMINATE; 737 viadev->running = 0; 738 break; 739 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 740 val |= VIA_REG_CTRL_PAUSE; 741 viadev->running = 0; 742 break; 743 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 744 viadev->running = 1; 745 break; 746 default: 747 return -EINVAL; 748 } 749 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 750 if (cmd == SNDRV_PCM_TRIGGER_STOP) 751 snd_via82xx_channel_reset(chip, viadev); 752 return 0; 753 } 754 755 756 /* 757 * pointer callbacks 758 */ 759 760 /* 761 * calculate the linear position at the given sg-buffer index and the rest count 762 */ 763 764 #define check_invalid_pos(viadev,pos) \ 765 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 766 viadev->lastpos < viadev->bufsize2)) 767 768 static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 769 unsigned int count) 770 { 771 unsigned int size, base, res; 772 773 size = viadev->idx_table[idx].size; 774 base = viadev->idx_table[idx].offset; 775 res = base + size - count; 776 if (res >= viadev->bufsize) 777 res -= viadev->bufsize; 778 779 /* check the validity of the calculated position */ 780 if (size < count) { 781 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 782 (int)size, (int)count); 783 res = viadev->lastpos; 784 } else { 785 if (! count) { 786 /* Some mobos report count = 0 on the DMA boundary, 787 * i.e. count = size indeed. 788 * Let's check whether this step is above the expected size. 789 */ 790 int delta = res - viadev->lastpos; 791 if (delta < 0) 792 delta += viadev->bufsize; 793 if ((unsigned int)delta > viadev->fragsize) 794 res = base; 795 } 796 if (check_invalid_pos(viadev, res)) { 797 #ifdef POINTER_DEBUG 798 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " 799 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 800 "count = 0x%x\n", idx, viadev->tbl_entries, 801 viadev->lastpos, viadev->bufsize2, 802 viadev->idx_table[idx].offset, 803 viadev->idx_table[idx].size, count); 804 #endif 805 /* count register returns full size when end of buffer is reached */ 806 res = base + size; 807 if (check_invalid_pos(viadev, res)) { 808 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 809 "using last valid pointer\n"); 810 res = viadev->lastpos; 811 } 812 } 813 } 814 return res; 815 } 816 817 /* 818 * get the current pointer on via686 819 */ 820 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 821 { 822 struct via82xx *chip = snd_pcm_substream_chip(substream); 823 struct viadev *viadev = substream->runtime->private_data; 824 unsigned int idx, ptr, count, res; 825 826 snd_assert(viadev->tbl_entries, return 0); 827 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 828 return 0; 829 830 spin_lock(&chip->reg_lock); 831 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 832 /* The via686a does not have the current index register, 833 * so we need to calculate the index from CURR_PTR. 834 */ 835 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 836 if (ptr <= (unsigned int)viadev->table.addr) 837 idx = 0; 838 else /* CURR_PTR holds the address + 8 */ 839 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 840 res = calc_linear_pos(viadev, idx, count); 841 viadev->lastpos = res; /* remember the last position */ 842 spin_unlock(&chip->reg_lock); 843 844 return bytes_to_frames(substream->runtime, res); 845 } 846 847 /* 848 * get the current pointer on via823x 849 */ 850 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 851 { 852 struct via82xx *chip = snd_pcm_substream_chip(substream); 853 struct viadev *viadev = substream->runtime->private_data; 854 unsigned int idx, count, res; 855 int status; 856 857 snd_assert(viadev->tbl_entries, return 0); 858 859 spin_lock(&chip->reg_lock); 860 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 861 status = viadev->in_interrupt; 862 if (!status) 863 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 864 865 if (!(status & VIA_REG_STAT_ACTIVE)) { 866 res = 0; 867 goto unlock; 868 } 869 if (count & 0xffffff) { 870 idx = count >> 24; 871 if (idx >= viadev->tbl_entries) { 872 #ifdef POINTER_DEBUG 873 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 874 viadev->tbl_entries); 875 #endif 876 res = viadev->lastpos; 877 } else { 878 count &= 0xffffff; 879 res = calc_linear_pos(viadev, idx, count); 880 } 881 } else { 882 res = viadev->hwptr_done; 883 if (!viadev->in_interrupt) { 884 if (status & VIA_REG_STAT_EOL) { 885 res = 0; 886 } else 887 if (status & VIA_REG_STAT_FLAG) { 888 res += viadev->fragsize; 889 } 890 } 891 } 892 unlock: 893 viadev->lastpos = res; 894 spin_unlock(&chip->reg_lock); 895 896 return bytes_to_frames(substream->runtime, res); 897 } 898 899 900 /* 901 * hw_params callback: 902 * allocate the buffer and build up the buffer description table 903 */ 904 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 905 struct snd_pcm_hw_params *hw_params) 906 { 907 struct via82xx *chip = snd_pcm_substream_chip(substream); 908 struct viadev *viadev = substream->runtime->private_data; 909 int err; 910 911 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 912 if (err < 0) 913 return err; 914 err = build_via_table(viadev, substream, chip->pci, 915 params_periods(hw_params), 916 params_period_bytes(hw_params)); 917 if (err < 0) 918 return err; 919 920 return 0; 921 } 922 923 /* 924 * hw_free callback: 925 * clean up the buffer description table and release the buffer 926 */ 927 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 928 { 929 struct via82xx *chip = snd_pcm_substream_chip(substream); 930 struct viadev *viadev = substream->runtime->private_data; 931 932 clean_via_table(viadev, substream, chip->pci); 933 snd_pcm_lib_free_pages(substream); 934 return 0; 935 } 936 937 938 /* 939 * set up the table pointer 940 */ 941 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 942 { 943 snd_via82xx_codec_ready(chip, 0); 944 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 945 udelay(20); 946 snd_via82xx_codec_ready(chip, 0); 947 } 948 949 /* 950 * prepare callback for playback and capture on via686 951 */ 952 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 953 struct snd_pcm_runtime *runtime) 954 { 955 snd_via82xx_channel_reset(chip, viadev); 956 /* this must be set after channel_reset */ 957 snd_via82xx_set_table_ptr(chip, viadev); 958 outb(VIA_REG_TYPE_AUTOSTART | 959 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 960 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 961 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 962 VIA_REG_TYPE_INT_EOL | 963 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 964 } 965 966 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 967 { 968 struct via82xx *chip = snd_pcm_substream_chip(substream); 969 struct viadev *viadev = substream->runtime->private_data; 970 struct snd_pcm_runtime *runtime = substream->runtime; 971 972 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 973 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 974 via686_setup_format(chip, viadev, runtime); 975 return 0; 976 } 977 978 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 979 { 980 struct via82xx *chip = snd_pcm_substream_chip(substream); 981 struct viadev *viadev = substream->runtime->private_data; 982 struct snd_pcm_runtime *runtime = substream->runtime; 983 984 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 985 via686_setup_format(chip, viadev, runtime); 986 return 0; 987 } 988 989 /* 990 * lock the current rate 991 */ 992 static int via_lock_rate(struct via_rate_lock *rec, int rate) 993 { 994 int changed = 0; 995 996 spin_lock_irq(&rec->lock); 997 if (rec->rate != rate) { 998 if (rec->rate && rec->used > 1) /* already set */ 999 changed = -EINVAL; 1000 else { 1001 rec->rate = rate; 1002 changed = 1; 1003 } 1004 } 1005 spin_unlock_irq(&rec->lock); 1006 return changed; 1007 } 1008 1009 /* 1010 * prepare callback for DSX playback on via823x 1011 */ 1012 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1013 { 1014 struct via82xx *chip = snd_pcm_substream_chip(substream); 1015 struct viadev *viadev = substream->runtime->private_data; 1016 struct snd_pcm_runtime *runtime = substream->runtime; 1017 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1018 int rate_changed; 1019 u32 rbits; 1020 1021 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1022 return rate_changed; 1023 if (rate_changed) 1024 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1025 chip->no_vra ? 48000 : runtime->rate); 1026 if (chip->spdif_on && viadev->reg_offset == 0x30) 1027 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1028 1029 if (runtime->rate == 48000) 1030 rbits = 0xfffff; 1031 else 1032 rbits = (0x100000 / 48000) * runtime->rate + 1033 ((0x100000 % 48000) * runtime->rate) / 48000; 1034 snd_assert((rbits & ~0xfffff) == 0, return -EINVAL); 1035 snd_via82xx_channel_reset(chip, viadev); 1036 snd_via82xx_set_table_ptr(chip, viadev); 1037 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1038 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1039 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1040 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1041 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1042 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1043 rbits | /* rate */ 1044 0xff000000, /* STOP index is never reached */ 1045 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1046 udelay(20); 1047 snd_via82xx_codec_ready(chip, 0); 1048 return 0; 1049 } 1050 1051 /* 1052 * prepare callback for multi-channel playback on via823x 1053 */ 1054 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1055 { 1056 struct via82xx *chip = snd_pcm_substream_chip(substream); 1057 struct viadev *viadev = substream->runtime->private_data; 1058 struct snd_pcm_runtime *runtime = substream->runtime; 1059 unsigned int slots; 1060 int fmt; 1061 1062 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1063 return -EINVAL; 1064 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1065 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1066 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1067 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1068 snd_via82xx_channel_reset(chip, viadev); 1069 snd_via82xx_set_table_ptr(chip, viadev); 1070 1071 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1072 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1073 fmt |= runtime->channels << 4; 1074 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1075 #if 0 1076 if (chip->revision == VIA_REV_8233A) 1077 slots = 0; 1078 else 1079 #endif 1080 { 1081 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1082 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1083 switch (runtime->channels) { 1084 case 1: slots = (1<<0) | (1<<4); break; 1085 case 2: slots = (1<<0) | (2<<4); break; 1086 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1087 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1088 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1089 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1090 default: slots = 0; break; 1091 } 1092 } 1093 /* STOP index is never reached */ 1094 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1095 udelay(20); 1096 snd_via82xx_codec_ready(chip, 0); 1097 return 0; 1098 } 1099 1100 /* 1101 * prepare callback for capture on via823x 1102 */ 1103 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1104 { 1105 struct via82xx *chip = snd_pcm_substream_chip(substream); 1106 struct viadev *viadev = substream->runtime->private_data; 1107 struct snd_pcm_runtime *runtime = substream->runtime; 1108 1109 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1110 return -EINVAL; 1111 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1112 snd_via82xx_channel_reset(chip, viadev); 1113 snd_via82xx_set_table_ptr(chip, viadev); 1114 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1115 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1116 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1117 0xff000000, /* STOP index is never reached */ 1118 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1119 udelay(20); 1120 snd_via82xx_codec_ready(chip, 0); 1121 return 0; 1122 } 1123 1124 1125 /* 1126 * pcm hardware definition, identical for both playback and capture 1127 */ 1128 static struct snd_pcm_hardware snd_via82xx_hw = 1129 { 1130 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1131 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1132 SNDRV_PCM_INFO_MMAP_VALID | 1133 /* SNDRV_PCM_INFO_RESUME | */ 1134 SNDRV_PCM_INFO_PAUSE), 1135 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1136 .rates = SNDRV_PCM_RATE_48000, 1137 .rate_min = 48000, 1138 .rate_max = 48000, 1139 .channels_min = 1, 1140 .channels_max = 2, 1141 .buffer_bytes_max = 128 * 1024, 1142 .period_bytes_min = 32, 1143 .period_bytes_max = 128 * 1024, 1144 .periods_min = 2, 1145 .periods_max = VIA_TABLE_SIZE / 2, 1146 .fifo_size = 0, 1147 }; 1148 1149 1150 /* 1151 * open callback skeleton 1152 */ 1153 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1154 struct snd_pcm_substream *substream) 1155 { 1156 struct snd_pcm_runtime *runtime = substream->runtime; 1157 int err; 1158 struct via_rate_lock *ratep; 1159 1160 runtime->hw = snd_via82xx_hw; 1161 1162 /* set the hw rate condition */ 1163 ratep = &chip->rates[viadev->direction]; 1164 spin_lock_irq(&ratep->lock); 1165 ratep->used++; 1166 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1167 /* DXS#3 and spdif is on */ 1168 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1169 snd_pcm_limit_hw_rates(runtime); 1170 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1171 /* fixed DXS playback rate */ 1172 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1173 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1174 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1175 /* use full SRC capabilities of DXS */ 1176 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1177 SNDRV_PCM_RATE_8000_48000); 1178 runtime->hw.rate_min = 8000; 1179 runtime->hw.rate_max = 48000; 1180 } else if (! ratep->rate) { 1181 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1182 runtime->hw.rates = chip->ac97->rates[idx]; 1183 snd_pcm_limit_hw_rates(runtime); 1184 } else { 1185 /* a fixed rate */ 1186 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1187 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1188 } 1189 spin_unlock_irq(&ratep->lock); 1190 1191 /* we may remove following constaint when we modify table entries 1192 in interrupt */ 1193 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1194 return err; 1195 1196 runtime->private_data = viadev; 1197 viadev->substream = substream; 1198 1199 return 0; 1200 } 1201 1202 1203 /* 1204 * open callback for playback on via686 and via823x DSX 1205 */ 1206 static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) 1207 { 1208 struct via82xx *chip = snd_pcm_substream_chip(substream); 1209 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1210 int err; 1211 1212 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1213 return err; 1214 return 0; 1215 } 1216 1217 /* 1218 * open callback for playback on via823x multi-channel 1219 */ 1220 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1221 { 1222 struct via82xx *chip = snd_pcm_substream_chip(substream); 1223 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1224 int err; 1225 /* channels constraint for VIA8233A 1226 * 3 and 5 channels are not supported 1227 */ 1228 static unsigned int channels[] = { 1229 1, 2, 4, 6 1230 }; 1231 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1232 .count = ARRAY_SIZE(channels), 1233 .list = channels, 1234 .mask = 0, 1235 }; 1236 1237 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1238 return err; 1239 substream->runtime->hw.channels_max = 6; 1240 if (chip->revision == VIA_REV_8233A) 1241 snd_pcm_hw_constraint_list(substream->runtime, 0, 1242 SNDRV_PCM_HW_PARAM_CHANNELS, 1243 &hw_constraints_channels); 1244 return 0; 1245 } 1246 1247 /* 1248 * open callback for capture on via686 and via823x 1249 */ 1250 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1251 { 1252 struct via82xx *chip = snd_pcm_substream_chip(substream); 1253 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1254 1255 return snd_via82xx_pcm_open(chip, viadev, substream); 1256 } 1257 1258 /* 1259 * close callback 1260 */ 1261 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1262 { 1263 struct via82xx *chip = snd_pcm_substream_chip(substream); 1264 struct viadev *viadev = substream->runtime->private_data; 1265 struct via_rate_lock *ratep; 1266 1267 /* release the rate lock */ 1268 ratep = &chip->rates[viadev->direction]; 1269 spin_lock_irq(&ratep->lock); 1270 ratep->used--; 1271 if (! ratep->used) 1272 ratep->rate = 0; 1273 spin_unlock_irq(&ratep->lock); 1274 1275 viadev->substream = NULL; 1276 return 0; 1277 } 1278 1279 1280 /* via686 playback callbacks */ 1281 static struct snd_pcm_ops snd_via686_playback_ops = { 1282 .open = snd_via82xx_playback_open, 1283 .close = snd_via82xx_pcm_close, 1284 .ioctl = snd_pcm_lib_ioctl, 1285 .hw_params = snd_via82xx_hw_params, 1286 .hw_free = snd_via82xx_hw_free, 1287 .prepare = snd_via686_playback_prepare, 1288 .trigger = snd_via82xx_pcm_trigger, 1289 .pointer = snd_via686_pcm_pointer, 1290 .page = snd_pcm_sgbuf_ops_page, 1291 }; 1292 1293 /* via686 capture callbacks */ 1294 static struct snd_pcm_ops snd_via686_capture_ops = { 1295 .open = snd_via82xx_capture_open, 1296 .close = snd_via82xx_pcm_close, 1297 .ioctl = snd_pcm_lib_ioctl, 1298 .hw_params = snd_via82xx_hw_params, 1299 .hw_free = snd_via82xx_hw_free, 1300 .prepare = snd_via686_capture_prepare, 1301 .trigger = snd_via82xx_pcm_trigger, 1302 .pointer = snd_via686_pcm_pointer, 1303 .page = snd_pcm_sgbuf_ops_page, 1304 }; 1305 1306 /* via823x DSX playback callbacks */ 1307 static struct snd_pcm_ops snd_via8233_playback_ops = { 1308 .open = snd_via82xx_playback_open, 1309 .close = snd_via82xx_pcm_close, 1310 .ioctl = snd_pcm_lib_ioctl, 1311 .hw_params = snd_via82xx_hw_params, 1312 .hw_free = snd_via82xx_hw_free, 1313 .prepare = snd_via8233_playback_prepare, 1314 .trigger = snd_via82xx_pcm_trigger, 1315 .pointer = snd_via8233_pcm_pointer, 1316 .page = snd_pcm_sgbuf_ops_page, 1317 }; 1318 1319 /* via823x multi-channel playback callbacks */ 1320 static struct snd_pcm_ops snd_via8233_multi_ops = { 1321 .open = snd_via8233_multi_open, 1322 .close = snd_via82xx_pcm_close, 1323 .ioctl = snd_pcm_lib_ioctl, 1324 .hw_params = snd_via82xx_hw_params, 1325 .hw_free = snd_via82xx_hw_free, 1326 .prepare = snd_via8233_multi_prepare, 1327 .trigger = snd_via82xx_pcm_trigger, 1328 .pointer = snd_via8233_pcm_pointer, 1329 .page = snd_pcm_sgbuf_ops_page, 1330 }; 1331 1332 /* via823x capture callbacks */ 1333 static struct snd_pcm_ops snd_via8233_capture_ops = { 1334 .open = snd_via82xx_capture_open, 1335 .close = snd_via82xx_pcm_close, 1336 .ioctl = snd_pcm_lib_ioctl, 1337 .hw_params = snd_via82xx_hw_params, 1338 .hw_free = snd_via82xx_hw_free, 1339 .prepare = snd_via8233_capture_prepare, 1340 .trigger = snd_via82xx_pcm_trigger, 1341 .pointer = snd_via8233_pcm_pointer, 1342 .page = snd_pcm_sgbuf_ops_page, 1343 }; 1344 1345 1346 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1347 int shadow_pos, int direction) 1348 { 1349 chip->devs[idx].reg_offset = reg_offset; 1350 chip->devs[idx].shadow_shift = shadow_pos * 4; 1351 chip->devs[idx].direction = direction; 1352 chip->devs[idx].port = chip->port + reg_offset; 1353 } 1354 1355 /* 1356 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1357 */ 1358 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1359 { 1360 struct snd_pcm *pcm; 1361 int i, err; 1362 1363 chip->playback_devno = 0; /* x 4 */ 1364 chip->multi_devno = 4; /* x 1 */ 1365 chip->capture_devno = 5; /* x 2 */ 1366 chip->num_devs = 7; 1367 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1368 1369 /* PCM #0: 4 DSX playbacks and 1 capture */ 1370 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1371 if (err < 0) 1372 return err; 1373 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1374 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1375 pcm->private_data = chip; 1376 strcpy(pcm->name, chip->card->shortname); 1377 chip->pcms[0] = pcm; 1378 /* set up playbacks */ 1379 for (i = 0; i < 4; i++) 1380 init_viadev(chip, i, 0x10 * i, i, 0); 1381 /* capture */ 1382 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1383 1384 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1385 snd_dma_pci_data(chip->pci), 1386 64*1024, 128*1024)) < 0) 1387 return err; 1388 1389 /* PCM #1: multi-channel playback and 2nd capture */ 1390 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1391 if (err < 0) 1392 return err; 1393 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1394 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1395 pcm->private_data = chip; 1396 strcpy(pcm->name, chip->card->shortname); 1397 chip->pcms[1] = pcm; 1398 /* set up playback */ 1399 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1400 /* set up capture */ 1401 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1402 1403 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1404 snd_dma_pci_data(chip->pci), 1405 64*1024, 128*1024)) < 0) 1406 return err; 1407 1408 return 0; 1409 } 1410 1411 /* 1412 * create pcm instances for VIA8233A 1413 */ 1414 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1415 { 1416 struct snd_pcm *pcm; 1417 int err; 1418 1419 chip->multi_devno = 0; 1420 chip->playback_devno = 1; 1421 chip->capture_devno = 2; 1422 chip->num_devs = 3; 1423 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1424 1425 /* PCM #0: multi-channel playback and capture */ 1426 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1427 if (err < 0) 1428 return err; 1429 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1430 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1431 pcm->private_data = chip; 1432 strcpy(pcm->name, chip->card->shortname); 1433 chip->pcms[0] = pcm; 1434 /* set up playback */ 1435 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1436 /* capture */ 1437 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1438 1439 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1440 snd_dma_pci_data(chip->pci), 1441 64*1024, 128*1024)) < 0) 1442 return err; 1443 1444 /* SPDIF supported? */ 1445 if (! ac97_can_spdif(chip->ac97)) 1446 return 0; 1447 1448 /* PCM #1: DXS3 playback (for spdif) */ 1449 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1450 if (err < 0) 1451 return err; 1452 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1453 pcm->private_data = chip; 1454 strcpy(pcm->name, chip->card->shortname); 1455 chip->pcms[1] = pcm; 1456 /* set up playback */ 1457 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1458 1459 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1460 snd_dma_pci_data(chip->pci), 1461 64*1024, 128*1024)) < 0) 1462 return err; 1463 1464 return 0; 1465 } 1466 1467 /* 1468 * create a pcm instance for via686a/b 1469 */ 1470 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1471 { 1472 struct snd_pcm *pcm; 1473 int err; 1474 1475 chip->playback_devno = 0; 1476 chip->capture_devno = 1; 1477 chip->num_devs = 2; 1478 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1479 1480 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1481 if (err < 0) 1482 return err; 1483 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1484 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1485 pcm->private_data = chip; 1486 strcpy(pcm->name, chip->card->shortname); 1487 chip->pcms[0] = pcm; 1488 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1489 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1490 1491 if ((err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1492 snd_dma_pci_data(chip->pci), 1493 64*1024, 128*1024)) < 0) 1494 return err; 1495 1496 return 0; 1497 } 1498 1499 1500 /* 1501 * Mixer part 1502 */ 1503 1504 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1505 struct snd_ctl_elem_info *uinfo) 1506 { 1507 /* formerly they were "Line" and "Mic", but it looks like that they 1508 * have nothing to do with the actual physical connections... 1509 */ 1510 static char *texts[2] = { 1511 "Input1", "Input2" 1512 }; 1513 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1514 uinfo->count = 1; 1515 uinfo->value.enumerated.items = 2; 1516 if (uinfo->value.enumerated.item >= 2) 1517 uinfo->value.enumerated.item = 1; 1518 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1519 return 0; 1520 } 1521 1522 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1523 struct snd_ctl_elem_value *ucontrol) 1524 { 1525 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1526 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1527 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1528 return 0; 1529 } 1530 1531 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1532 struct snd_ctl_elem_value *ucontrol) 1533 { 1534 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1535 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1536 u8 val, oval; 1537 1538 spin_lock_irq(&chip->reg_lock); 1539 oval = inb(port); 1540 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1541 if (ucontrol->value.enumerated.item[0]) 1542 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1543 if (val != oval) 1544 outb(val, port); 1545 spin_unlock_irq(&chip->reg_lock); 1546 return val != oval; 1547 } 1548 1549 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1550 .name = "Input Source Select", 1551 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1552 .info = snd_via8233_capture_source_info, 1553 .get = snd_via8233_capture_source_get, 1554 .put = snd_via8233_capture_source_put, 1555 }; 1556 1557 static int snd_via8233_dxs3_spdif_info(struct snd_kcontrol *kcontrol, 1558 struct snd_ctl_elem_info *uinfo) 1559 { 1560 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 1561 uinfo->count = 1; 1562 uinfo->value.integer.min = 0; 1563 uinfo->value.integer.max = 1; 1564 return 0; 1565 } 1566 1567 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1568 struct snd_ctl_elem_value *ucontrol) 1569 { 1570 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1571 u8 val; 1572 1573 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1574 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1575 return 0; 1576 } 1577 1578 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1579 struct snd_ctl_elem_value *ucontrol) 1580 { 1581 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1582 u8 val, oval; 1583 1584 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1585 val = oval & ~VIA8233_SPDIF_DX3; 1586 if (ucontrol->value.integer.value[0]) 1587 val |= VIA8233_SPDIF_DX3; 1588 /* save the spdif flag for rate filtering */ 1589 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1590 if (val != oval) { 1591 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1592 return 1; 1593 } 1594 return 0; 1595 } 1596 1597 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1598 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1599 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1600 .info = snd_via8233_dxs3_spdif_info, 1601 .get = snd_via8233_dxs3_spdif_get, 1602 .put = snd_via8233_dxs3_spdif_put, 1603 }; 1604 1605 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1606 struct snd_ctl_elem_info *uinfo) 1607 { 1608 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1609 uinfo->count = 2; 1610 uinfo->value.integer.min = 0; 1611 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1612 return 0; 1613 } 1614 1615 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1616 struct snd_ctl_elem_value *ucontrol) 1617 { 1618 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1619 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1620 1621 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1622 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1623 return 0; 1624 } 1625 1626 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1627 struct snd_ctl_elem_value *ucontrol) 1628 { 1629 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1630 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1631 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1632 return 0; 1633 } 1634 1635 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1636 struct snd_ctl_elem_value *ucontrol) 1637 { 1638 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1639 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1640 unsigned long port = chip->port + 0x10 * idx; 1641 unsigned char val; 1642 int i, change = 0; 1643 1644 for (i = 0; i < 2; i++) { 1645 val = ucontrol->value.integer.value[i]; 1646 if (val > VIA_DXS_MAX_VOLUME) 1647 val = VIA_DXS_MAX_VOLUME; 1648 val = VIA_DXS_MAX_VOLUME - val; 1649 change |= val != chip->playback_volume[idx][i]; 1650 if (change) { 1651 chip->playback_volume[idx][i] = val; 1652 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1653 } 1654 } 1655 return change; 1656 } 1657 1658 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1659 struct snd_ctl_elem_value *ucontrol) 1660 { 1661 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1662 unsigned int idx; 1663 unsigned char val; 1664 int i, change = 0; 1665 1666 for (i = 0; i < 2; i++) { 1667 val = ucontrol->value.integer.value[i]; 1668 if (val > VIA_DXS_MAX_VOLUME) 1669 val = VIA_DXS_MAX_VOLUME; 1670 val = VIA_DXS_MAX_VOLUME - val; 1671 if (val != chip->playback_volume_c[i]) { 1672 change = 1; 1673 chip->playback_volume_c[i] = val; 1674 for (idx = 0; idx < 4; idx++) { 1675 unsigned long port = chip->port + 0x10 * idx; 1676 chip->playback_volume[idx][i] = val; 1677 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1678 } 1679 } 1680 } 1681 return change; 1682 } 1683 1684 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1685 .name = "PCM Playback Volume", 1686 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1687 .info = snd_via8233_dxs_volume_info, 1688 .get = snd_via8233_pcmdxs_volume_get, 1689 .put = snd_via8233_pcmdxs_volume_put, 1690 }; 1691 1692 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1693 .name = "VIA DXS Playback Volume", 1694 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1695 .count = 4, 1696 .info = snd_via8233_dxs_volume_info, 1697 .get = snd_via8233_dxs_volume_get, 1698 .put = snd_via8233_dxs_volume_put, 1699 }; 1700 1701 /* 1702 */ 1703 1704 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1705 { 1706 struct via82xx *chip = bus->private_data; 1707 chip->ac97_bus = NULL; 1708 } 1709 1710 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1711 { 1712 struct via82xx *chip = ac97->private_data; 1713 chip->ac97 = NULL; 1714 } 1715 1716 static struct ac97_quirk ac97_quirks[] = { 1717 { 1718 .subvendor = 0x1106, 1719 .subdevice = 0x4161, 1720 .codec_id = 0x56494161, /* VT1612A */ 1721 .name = "Soltek SL-75DRV5", 1722 .type = AC97_TUNE_NONE 1723 }, 1724 { /* FIXME: which codec? */ 1725 .subvendor = 0x1106, 1726 .subdevice = 0x4161, 1727 .name = "ASRock K7VT2", 1728 .type = AC97_TUNE_HP_ONLY 1729 }, 1730 { 1731 .subvendor = 0x1019, 1732 .subdevice = 0x0a81, 1733 .name = "ECS K7VTA3", 1734 .type = AC97_TUNE_HP_ONLY 1735 }, 1736 { 1737 .subvendor = 0x1019, 1738 .subdevice = 0x0a85, 1739 .name = "ECS L7VMM2", 1740 .type = AC97_TUNE_HP_ONLY 1741 }, 1742 { 1743 .subvendor = 0x1849, 1744 .subdevice = 0x3059, 1745 .name = "ASRock K7VM2", 1746 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1747 }, 1748 { 1749 .subvendor = 0x14cd, 1750 .subdevice = 0x7002, 1751 .name = "Unknown", 1752 .type = AC97_TUNE_ALC_JACK 1753 }, 1754 { 1755 .subvendor = 0x1071, 1756 .subdevice = 0x8590, 1757 .name = "Mitac Mobo", 1758 .type = AC97_TUNE_ALC_JACK 1759 }, 1760 { 1761 .subvendor = 0x161f, 1762 .subdevice = 0x202b, 1763 .name = "Arima Notebook", 1764 .type = AC97_TUNE_HP_ONLY, 1765 }, 1766 { 1767 .subvendor = 0x161f, 1768 .subdevice = 0x2032, 1769 .name = "Targa Traveller 811", 1770 .type = AC97_TUNE_HP_ONLY, 1771 }, 1772 { } /* terminator */ 1773 }; 1774 1775 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1776 { 1777 struct snd_ac97_template ac97; 1778 int err; 1779 static struct snd_ac97_bus_ops ops = { 1780 .write = snd_via82xx_codec_write, 1781 .read = snd_via82xx_codec_read, 1782 .wait = snd_via82xx_codec_wait, 1783 }; 1784 1785 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1786 return err; 1787 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1788 chip->ac97_bus->clock = chip->ac97_clock; 1789 1790 memset(&ac97, 0, sizeof(ac97)); 1791 ac97.private_data = chip; 1792 ac97.private_free = snd_via82xx_mixer_free_ac97; 1793 ac97.pci = chip->pci; 1794 ac97.scaps = AC97_SCAP_SKIP_MODEM; 1795 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1796 return err; 1797 1798 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1799 1800 if (chip->chip_type != TYPE_VIA686) { 1801 /* use slot 10/11 */ 1802 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1803 } 1804 1805 return 0; 1806 } 1807 1808 #ifdef SUPPORT_JOYSTICK 1809 #define JOYSTICK_ADDR 0x200 1810 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1811 { 1812 struct gameport *gp; 1813 struct resource *r; 1814 1815 if (!joystick) 1816 return -ENODEV; 1817 1818 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1819 if (!r) { 1820 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1821 JOYSTICK_ADDR); 1822 return -EBUSY; 1823 } 1824 1825 chip->gameport = gp = gameport_allocate_port(); 1826 if (!gp) { 1827 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1828 release_and_free_resource(r); 1829 return -ENOMEM; 1830 } 1831 1832 gameport_set_name(gp, "VIA686 Gameport"); 1833 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1834 gameport_set_dev_parent(gp, &chip->pci->dev); 1835 gp->io = JOYSTICK_ADDR; 1836 gameport_set_port_data(gp, r); 1837 1838 /* Enable legacy joystick port */ 1839 *legacy |= VIA_FUNC_ENABLE_GAME; 1840 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1841 1842 gameport_register_port(chip->gameport); 1843 1844 return 0; 1845 } 1846 1847 static void snd_via686_free_gameport(struct via82xx *chip) 1848 { 1849 if (chip->gameport) { 1850 struct resource *r = gameport_get_port_data(chip->gameport); 1851 1852 gameport_unregister_port(chip->gameport); 1853 chip->gameport = NULL; 1854 release_and_free_resource(r); 1855 } 1856 } 1857 #else 1858 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1859 { 1860 return -ENOSYS; 1861 } 1862 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1863 #endif 1864 1865 1866 /* 1867 * 1868 */ 1869 1870 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1871 { 1872 int i, err, caps; 1873 unsigned char val; 1874 1875 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1876 for (i = 0; i < caps; i++) { 1877 snd_via8233_capture_source.index = i; 1878 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1879 if (err < 0) 1880 return err; 1881 } 1882 if (ac97_can_spdif(chip->ac97)) { 1883 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1884 if (err < 0) 1885 return err; 1886 } 1887 if (chip->chip_type != TYPE_VIA8233A) { 1888 /* when no h/w PCM volume control is found, use DXS volume control 1889 * as the PCM vol control 1890 */ 1891 struct snd_ctl_elem_id sid; 1892 memset(&sid, 0, sizeof(sid)); 1893 strcpy(sid.name, "PCM Playback Volume"); 1894 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1895 if (! snd_ctl_find_id(chip->card, &sid)) { 1896 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1897 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1898 if (err < 0) 1899 return err; 1900 } 1901 else /* Using DXS when PCM emulation is enabled is really weird */ 1902 { 1903 /* Standalone DXS controls */ 1904 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1905 if (err < 0) 1906 return err; 1907 } 1908 } 1909 /* select spdif data slot 10/11 */ 1910 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1911 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1912 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1913 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1914 1915 return 0; 1916 } 1917 1918 static int __devinit snd_via686_init_misc(struct via82xx *chip) 1919 { 1920 unsigned char legacy, legacy_cfg; 1921 int rev_h = 0; 1922 1923 legacy = chip->old_legacy; 1924 legacy_cfg = chip->old_legacy_cfg; 1925 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1926 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1927 if (chip->revision >= VIA_REV_686_H) { 1928 rev_h = 1; 1929 if (mpu_port >= 0x200) { /* force MIDI */ 1930 mpu_port &= 0xfffc; 1931 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1932 #ifdef CONFIG_PM 1933 chip->mpu_port_saved = mpu_port; 1934 #endif 1935 } else { 1936 mpu_port = pci_resource_start(chip->pci, 2); 1937 } 1938 } else { 1939 switch (mpu_port) { /* force MIDI */ 1940 case 0x300: 1941 case 0x310: 1942 case 0x320: 1943 case 0x330: 1944 legacy_cfg &= ~(3 << 2); 1945 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1946 break; 1947 default: /* no, use BIOS settings */ 1948 if (legacy & VIA_FUNC_ENABLE_MIDI) 1949 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1950 break; 1951 } 1952 } 1953 if (mpu_port >= 0x200 && 1954 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1955 != NULL) { 1956 if (rev_h) 1957 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1958 legacy |= VIA_FUNC_ENABLE_MIDI; 1959 } else { 1960 if (rev_h) 1961 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1962 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1963 mpu_port = 0; 1964 } 1965 1966 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1967 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1968 if (chip->mpu_res) { 1969 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1970 mpu_port, 1, 1971 chip->irq, 0, &chip->rmidi) < 0) { 1972 printk(KERN_WARNING "unable to initialize MPU-401" 1973 " at 0x%lx, skipping\n", mpu_port); 1974 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1975 } else { 1976 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 1977 } 1978 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1979 } 1980 1981 snd_via686_create_gameport(chip, &legacy); 1982 1983 #ifdef CONFIG_PM 1984 chip->legacy_saved = legacy; 1985 chip->legacy_cfg_saved = legacy_cfg; 1986 #endif 1987 1988 return 0; 1989 } 1990 1991 1992 /* 1993 * proc interface 1994 */ 1995 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 1996 struct snd_info_buffer *buffer) 1997 { 1998 struct via82xx *chip = entry->private_data; 1999 int i; 2000 2001 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2002 for (i = 0; i < 0xa0; i += 4) { 2003 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2004 } 2005 } 2006 2007 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2008 { 2009 struct snd_info_entry *entry; 2010 2011 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2012 snd_info_set_text_ops(entry, chip, 1024, snd_via82xx_proc_read); 2013 } 2014 2015 /* 2016 * 2017 */ 2018 2019 static int snd_via82xx_chip_init(struct via82xx *chip) 2020 { 2021 unsigned int val; 2022 unsigned long end_time; 2023 unsigned char pval; 2024 2025 #if 0 /* broken on K7M? */ 2026 if (chip->chip_type == TYPE_VIA686) 2027 /* disable all legacy ports */ 2028 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2029 #endif 2030 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2031 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2032 /* deassert ACLink reset, force SYNC */ 2033 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2034 VIA_ACLINK_CTRL_ENABLE | 2035 VIA_ACLINK_CTRL_RESET | 2036 VIA_ACLINK_CTRL_SYNC); 2037 udelay(100); 2038 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2039 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2040 udelay(100); 2041 #else 2042 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2043 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2044 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2045 udelay(2); 2046 #endif 2047 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2048 /* note - FM data out has trouble with non VRA codecs !! */ 2049 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2050 udelay(100); 2051 } 2052 2053 /* Make sure VRA is enabled, in case we didn't do a 2054 * complete codec reset, above */ 2055 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2056 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2057 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2058 /* note - FM data out has trouble with non VRA codecs !! */ 2059 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2060 udelay(100); 2061 } 2062 2063 /* wait until codec ready */ 2064 end_time = jiffies + msecs_to_jiffies(750); 2065 do { 2066 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2067 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2068 break; 2069 schedule_timeout_uninterruptible(1); 2070 } while (time_before(jiffies, end_time)); 2071 2072 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2073 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2074 2075 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2076 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2077 VIA_REG_AC97_SECONDARY_VALID | 2078 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2079 end_time = jiffies + msecs_to_jiffies(750); 2080 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2081 VIA_REG_AC97_SECONDARY_VALID | 2082 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2083 do { 2084 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2085 chip->ac97_secondary = 1; 2086 goto __ac97_ok2; 2087 } 2088 schedule_timeout_interruptible(1); 2089 } while (time_before(jiffies, end_time)); 2090 /* This is ok, the most of motherboards have only one codec */ 2091 2092 __ac97_ok2: 2093 #endif 2094 2095 if (chip->chip_type == TYPE_VIA686) { 2096 /* route FM trap to IRQ, disable FM trap */ 2097 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2098 /* disable all GPI interrupts */ 2099 outl(0, VIAREG(chip, GPI_INTR)); 2100 } 2101 2102 if (chip->chip_type != TYPE_VIA686) { 2103 /* Workaround for Award BIOS bug: 2104 * DXS channels don't work properly with VRA if MC97 is disabled. 2105 */ 2106 struct pci_dev *pci; 2107 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2108 if (pci) { 2109 unsigned char data; 2110 pci_read_config_byte(pci, 0x44, &data); 2111 pci_write_config_byte(pci, 0x44, data | 0x40); 2112 pci_dev_put(pci); 2113 } 2114 } 2115 2116 if (chip->chip_type != TYPE_VIA8233A) { 2117 int i, idx; 2118 for (idx = 0; idx < 4; idx++) { 2119 unsigned long port = chip->port + 0x10 * idx; 2120 for (i = 0; i < 2; i++) { 2121 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2122 outb(chip->playback_volume_c[i], 2123 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2124 } 2125 } 2126 } 2127 2128 return 0; 2129 } 2130 2131 #ifdef CONFIG_PM 2132 /* 2133 * power management 2134 */ 2135 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2136 { 2137 struct snd_card *card = pci_get_drvdata(pci); 2138 struct via82xx *chip = card->private_data; 2139 int i; 2140 2141 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2142 for (i = 0; i < 2; i++) 2143 snd_pcm_suspend_all(chip->pcms[i]); 2144 for (i = 0; i < chip->num_devs; i++) 2145 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2146 synchronize_irq(chip->irq); 2147 snd_ac97_suspend(chip->ac97); 2148 2149 /* save misc values */ 2150 if (chip->chip_type != TYPE_VIA686) { 2151 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2152 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2153 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2154 } 2155 2156 pci_set_power_state(pci, PCI_D3hot); 2157 pci_disable_device(pci); 2158 pci_save_state(pci); 2159 return 0; 2160 } 2161 2162 static int snd_via82xx_resume(struct pci_dev *pci) 2163 { 2164 struct snd_card *card = pci_get_drvdata(pci); 2165 struct via82xx *chip = card->private_data; 2166 int i; 2167 2168 pci_restore_state(pci); 2169 pci_enable_device(pci); 2170 pci_set_power_state(pci, PCI_D0); 2171 2172 snd_via82xx_chip_init(chip); 2173 2174 if (chip->chip_type == TYPE_VIA686) { 2175 if (chip->mpu_port_saved) 2176 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2177 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2178 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2179 } else { 2180 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2181 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2182 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2183 } 2184 2185 snd_ac97_resume(chip->ac97); 2186 2187 for (i = 0; i < chip->num_devs; i++) 2188 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2189 2190 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2191 return 0; 2192 } 2193 #endif /* CONFIG_PM */ 2194 2195 static int snd_via82xx_free(struct via82xx *chip) 2196 { 2197 unsigned int i; 2198 2199 if (chip->irq < 0) 2200 goto __end_hw; 2201 /* disable interrupts */ 2202 for (i = 0; i < chip->num_devs; i++) 2203 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2204 synchronize_irq(chip->irq); 2205 __end_hw: 2206 if (chip->irq >= 0) 2207 free_irq(chip->irq, chip); 2208 release_and_free_resource(chip->mpu_res); 2209 pci_release_regions(chip->pci); 2210 2211 if (chip->chip_type == TYPE_VIA686) { 2212 snd_via686_free_gameport(chip); 2213 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2214 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2215 } 2216 pci_disable_device(chip->pci); 2217 kfree(chip); 2218 return 0; 2219 } 2220 2221 static int snd_via82xx_dev_free(struct snd_device *device) 2222 { 2223 struct via82xx *chip = device->device_data; 2224 return snd_via82xx_free(chip); 2225 } 2226 2227 static int __devinit snd_via82xx_create(struct snd_card *card, 2228 struct pci_dev *pci, 2229 int chip_type, 2230 int revision, 2231 unsigned int ac97_clock, 2232 struct via82xx ** r_via) 2233 { 2234 struct via82xx *chip; 2235 int err; 2236 static struct snd_device_ops ops = { 2237 .dev_free = snd_via82xx_dev_free, 2238 }; 2239 2240 if ((err = pci_enable_device(pci)) < 0) 2241 return err; 2242 2243 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2244 pci_disable_device(pci); 2245 return -ENOMEM; 2246 } 2247 2248 chip->chip_type = chip_type; 2249 chip->revision = revision; 2250 2251 spin_lock_init(&chip->reg_lock); 2252 spin_lock_init(&chip->rates[0].lock); 2253 spin_lock_init(&chip->rates[1].lock); 2254 chip->card = card; 2255 chip->pci = pci; 2256 chip->irq = -1; 2257 2258 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2259 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2260 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2261 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2262 2263 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2264 kfree(chip); 2265 pci_disable_device(pci); 2266 return err; 2267 } 2268 chip->port = pci_resource_start(pci, 0); 2269 if (request_irq(pci->irq, 2270 chip_type == TYPE_VIA8233 ? 2271 snd_via8233_interrupt : snd_via686_interrupt, 2272 SA_INTERRUPT|SA_SHIRQ, 2273 card->driver, chip)) { 2274 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2275 snd_via82xx_free(chip); 2276 return -EBUSY; 2277 } 2278 chip->irq = pci->irq; 2279 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2280 chip->ac97_clock = ac97_clock; 2281 synchronize_irq(chip->irq); 2282 2283 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2284 snd_via82xx_free(chip); 2285 return err; 2286 } 2287 2288 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2289 snd_via82xx_free(chip); 2290 return err; 2291 } 2292 2293 /* The 8233 ac97 controller does not implement the master bit 2294 * in the pci command register. IMHO this is a violation of the PCI spec. 2295 * We call pci_set_master here because it does not hurt. */ 2296 pci_set_master(pci); 2297 2298 snd_card_set_dev(card, &pci->dev); 2299 2300 *r_via = chip; 2301 return 0; 2302 } 2303 2304 struct via823x_info { 2305 int revision; 2306 char *name; 2307 int type; 2308 }; 2309 static struct via823x_info via823x_cards[] __devinitdata = { 2310 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2311 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2312 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2313 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2314 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2315 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2316 }; 2317 2318 /* 2319 * auto detection of DXS channel supports. 2320 */ 2321 struct dxs_whitelist { 2322 unsigned short subvendor; 2323 unsigned short subdevice; 2324 unsigned short mask; 2325 short action; /* new dxs_support value */ 2326 }; 2327 2328 static int __devinit check_dxs_list(struct pci_dev *pci) 2329 { 2330 static struct dxs_whitelist whitelist[] = { 2331 { .subvendor = 0x1005, .subdevice = 0x4710, .action = VIA_DXS_ENABLE }, /* Avance Logic Mobo */ 2332 { .subvendor = 0x1019, .subdevice = 0x0996, .action = VIA_DXS_48K }, 2333 { .subvendor = 0x1019, .subdevice = 0x0a81, .action = VIA_DXS_NO_VRA }, /* ECS K7VTA3 v8.0 */ 2334 { .subvendor = 0x1019, .subdevice = 0x0a85, .action = VIA_DXS_NO_VRA }, /* ECS L7VMM2 */ 2335 { .subvendor = 0x1019, .subdevice = 0xa101, .action = VIA_DXS_SRC }, 2336 { .subvendor = 0x1025, .subdevice = 0x0033, .action = VIA_DXS_NO_VRA }, /* Acer Inspire 1353LM */ 2337 { .subvendor = 0x1025, .subdevice = 0x0046, .action = VIA_DXS_SRC }, /* Acer Aspire 1524 WLMi */ 2338 { .subvendor = 0x1043, .subdevice = 0x8095, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8X (FIXME: possibly VIA_DXS_ENABLE?)*/ 2339 { .subvendor = 0x1043, .subdevice = 0x80a1, .action = VIA_DXS_NO_VRA }, /* ASUS A7V8-X */ 2340 { .subvendor = 0x1043, .subdevice = 0x80b0, .action = VIA_DXS_NO_VRA }, /* ASUS A7V600 & K8V*/ 2341 { .subvendor = 0x1043, .subdevice = 0x810d, .action = VIA_DXS_SRC }, /* ASUS */ 2342 { .subvendor = 0x1043, .subdevice = 0x812a, .action = VIA_DXS_SRC }, /* ASUS A8V Deluxe */ 2343 { .subvendor = 0x1043, .subdevice = 0x8174, .action = VIA_DXS_SRC }, /* ASUS */ 2344 { .subvendor = 0x1071, .subdevice = 0x8375, .action = VIA_DXS_NO_VRA }, /* Vobis/Yakumo/Mitac notebook */ 2345 { .subvendor = 0x1071, .subdevice = 0x8399, .action = VIA_DXS_NO_VRA }, /* Umax AB 595T (VIA K8N800A - VT8237) */ 2346 { .subvendor = 0x10cf, .subdevice = 0x118e, .action = VIA_DXS_ENABLE }, /* FSC laptop */ 2347 { .subvendor = 0x1106, .subdevice = 0x4161, .action = VIA_DXS_NO_VRA }, /* ASRock K7VT2 */ 2348 { .subvendor = 0x1106, .subdevice = 0x4552, .action = VIA_DXS_NO_VRA }, /* QDI Kudoz 7X/600-6AL */ 2349 { .subvendor = 0x1106, .subdevice = 0xaa01, .action = VIA_DXS_NO_VRA }, /* EPIA MII */ 2350 { .subvendor = 0x1106, .subdevice = 0xc001, .action = VIA_DXS_SRC }, /* Insight P4-ITX */ 2351 { .subvendor = 0x1297, .subdevice = 0xa232, .action = VIA_DXS_ENABLE }, /* Shuttle ?? */ 2352 { .subvendor = 0x1297, .subdevice = 0xc160, .action = VIA_DXS_ENABLE }, /* Shuttle SK41G */ 2353 { .subvendor = 0x1458, .subdevice = 0xa002, .action = VIA_DXS_ENABLE }, /* Gigabyte GA-7VAXP */ 2354 { .subvendor = 0x1462, .subdevice = 0x0080, .action = VIA_DXS_SRC }, /* MSI K8T Neo-FIS2R */ 2355 { .subvendor = 0x1462, .subdevice = 0x0430, .action = VIA_DXS_SRC }, /* MSI 7142 (K8MM-V) */ 2356 { .subvendor = 0x1462, .subdevice = 0x0470, .action = VIA_DXS_SRC }, /* MSI KT880 Delta-FSR */ 2357 { .subvendor = 0x1462, .subdevice = 0x3800, .action = VIA_DXS_ENABLE }, /* MSI KT266 */ 2358 { .subvendor = 0x1462, .subdevice = 0x5901, .action = VIA_DXS_NO_VRA }, /* MSI KT6 Delta-SR */ 2359 { .subvendor = 0x1462, .subdevice = 0x7023, .action = VIA_DXS_NO_VRA }, /* MSI K8T Neo2-FI */ 2360 { .subvendor = 0x1462, .subdevice = 0x7120, .action = VIA_DXS_ENABLE }, /* MSI KT4V */ 2361 { .subvendor = 0x1462, .subdevice = 0x7142, .action = VIA_DXS_ENABLE }, /* MSI K8MM-V */ 2362 { .subvendor = 0x1462, .subdevice = 0xb012, .action = VIA_DXS_SRC }, /* P4M800/VIA8237R */ 2363 { .subvendor = 0x147b, .subdevice = 0x1401, .action = VIA_DXS_ENABLE }, /* ABIT KD7(-RAID) */ 2364 { .subvendor = 0x147b, .subdevice = 0x1411, .action = VIA_DXS_ENABLE }, /* ABIT VA-20 */ 2365 { .subvendor = 0x147b, .subdevice = 0x1413, .action = VIA_DXS_ENABLE }, /* ABIT KV8 Pro */ 2366 { .subvendor = 0x147b, .subdevice = 0x1415, .action = VIA_DXS_NO_VRA }, /* Abit AV8 */ 2367 { .subvendor = 0x14ff, .subdevice = 0x0403, .action = VIA_DXS_ENABLE }, /* Twinhead mobo */ 2368 { .subvendor = 0x14ff, .subdevice = 0x0408, .action = VIA_DXS_SRC }, /* Twinhead laptop */ 2369 { .subvendor = 0x1558, .subdevice = 0x4701, .action = VIA_DXS_SRC }, /* Clevo D470 */ 2370 { .subvendor = 0x1584, .subdevice = 0x8120, .action = VIA_DXS_ENABLE }, /* Gericom/Targa/Vobis/Uniwill laptop */ 2371 { .subvendor = 0x1584, .subdevice = 0x8123, .action = VIA_DXS_NO_VRA }, /* Uniwill (Targa Visionary XP-210) */ 2372 { .subvendor = 0x161f, .subdevice = 0x202b, .action = VIA_DXS_NO_VRA }, /* Amira Note book */ 2373 { .subvendor = 0x161f, .subdevice = 0x2032, .action = VIA_DXS_48K }, /* m680x machines */ 2374 { .subvendor = 0x1631, .subdevice = 0xe004, .action = VIA_DXS_ENABLE }, /* Easy Note 3174, Packard Bell */ 2375 { .subvendor = 0x1695, .subdevice = 0x3005, .action = VIA_DXS_ENABLE }, /* EPoX EP-8K9A */ 2376 { .subvendor = 0x1695, .subdevice = 0x300e, .action = VIA_DXS_SRC }, /* EPoX 9HEAI */ 2377 { .subvendor = 0x16f3, .subdevice = 0x6405, .action = VIA_DXS_SRC }, /* Jetway K8M8MS */ 2378 { .subvendor = 0x1734, .subdevice = 0x1078, .action = VIA_DXS_SRC }, /* FSC Amilo L7300 */ 2379 { .subvendor = 0x1734, .subdevice = 0x1093, .action = VIA_DXS_SRC }, /* FSC */ 2380 { .subvendor = 0x1849, .subdevice = 0x3059, .action = VIA_DXS_NO_VRA }, /* ASRock K7VM2 */ 2381 { .subvendor = 0x1849, .subdevice = 0x9761, .action = VIA_DXS_SRC }, /* ASRock mobo(?) */ 2382 { .subvendor = 0x1919, .subdevice = 0x200a, .action = VIA_DXS_NO_VRA }, /* Soltek SL-K8Tpro-939 */ 2383 { .subvendor = 0x4005, .subdevice = 0x4710, .action = VIA_DXS_SRC }, /* MSI K7T266 Pro2 (MS-6380 V2.0) BIOS 3.7 */ 2384 { } /* terminator */ 2385 }; 2386 struct dxs_whitelist *w; 2387 unsigned short subsystem_vendor; 2388 unsigned short subsystem_device; 2389 2390 pci_read_config_word(pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); 2391 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &subsystem_device); 2392 2393 for (w = whitelist; w->subvendor; w++) { 2394 if (w->subvendor != subsystem_vendor) 2395 continue; 2396 if (w->mask) { 2397 if ((w->mask & subsystem_device) == w->subdevice) 2398 return w->action; 2399 } else { 2400 if (subsystem_device == w->subdevice) 2401 return w->action; 2402 } 2403 } 2404 2405 /* 2406 * not detected, try 48k rate only to be sure. 2407 */ 2408 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2409 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2410 printk(KERN_INFO " and report if it works on your machine.\n"); 2411 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2412 return VIA_DXS_48K; 2413 }; 2414 2415 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2416 const struct pci_device_id *pci_id) 2417 { 2418 struct snd_card *card; 2419 struct via82xx *chip; 2420 unsigned char revision; 2421 int chip_type = 0, card_type; 2422 unsigned int i; 2423 int err; 2424 2425 card = snd_card_new(index, id, THIS_MODULE, 0); 2426 if (card == NULL) 2427 return -ENOMEM; 2428 2429 card_type = pci_id->driver_data; 2430 pci_read_config_byte(pci, PCI_REVISION_ID, &revision); 2431 switch (card_type) { 2432 case TYPE_CARD_VIA686: 2433 strcpy(card->driver, "VIA686A"); 2434 sprintf(card->shortname, "VIA 82C686A/B rev%x", revision); 2435 chip_type = TYPE_VIA686; 2436 break; 2437 case TYPE_CARD_VIA8233: 2438 chip_type = TYPE_VIA8233; 2439 sprintf(card->shortname, "VIA 823x rev%x", revision); 2440 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2441 if (revision == via823x_cards[i].revision) { 2442 chip_type = via823x_cards[i].type; 2443 strcpy(card->shortname, via823x_cards[i].name); 2444 break; 2445 } 2446 } 2447 if (chip_type != TYPE_VIA8233A) { 2448 if (dxs_support == VIA_DXS_AUTO) 2449 dxs_support = check_dxs_list(pci); 2450 /* force to use VIA8233 or 8233A model according to 2451 * dxs_support module option 2452 */ 2453 if (dxs_support == VIA_DXS_DISABLE) 2454 chip_type = TYPE_VIA8233A; 2455 else 2456 chip_type = TYPE_VIA8233; 2457 } 2458 if (chip_type == TYPE_VIA8233A) 2459 strcpy(card->driver, "VIA8233A"); 2460 else if (revision >= VIA_REV_8237) 2461 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2462 else 2463 strcpy(card->driver, "VIA8233"); 2464 break; 2465 default: 2466 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2467 err = -EINVAL; 2468 goto __error; 2469 } 2470 2471 if ((err = snd_via82xx_create(card, pci, chip_type, revision, 2472 ac97_clock, &chip)) < 0) 2473 goto __error; 2474 card->private_data = chip; 2475 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2476 goto __error; 2477 2478 if (chip_type == TYPE_VIA686) { 2479 if ((err = snd_via686_pcm_new(chip)) < 0 || 2480 (err = snd_via686_init_misc(chip)) < 0) 2481 goto __error; 2482 } else { 2483 if (chip_type == TYPE_VIA8233A) { 2484 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2485 goto __error; 2486 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2487 } else { 2488 if ((err = snd_via8233_pcm_new(chip)) < 0) 2489 goto __error; 2490 if (dxs_support == VIA_DXS_48K) 2491 chip->dxs_fixed = 1; 2492 else if (dxs_support == VIA_DXS_NO_VRA) 2493 chip->no_vra = 1; 2494 else if (dxs_support == VIA_DXS_SRC) { 2495 chip->no_vra = 1; 2496 chip->dxs_src = 1; 2497 } 2498 } 2499 if ((err = snd_via8233_init_misc(chip)) < 0) 2500 goto __error; 2501 } 2502 2503 /* disable interrupts */ 2504 for (i = 0; i < chip->num_devs; i++) 2505 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2506 2507 snprintf(card->longname, sizeof(card->longname), 2508 "%s with %s at %#lx, irq %d", card->shortname, 2509 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2510 2511 snd_via82xx_proc_init(chip); 2512 2513 if ((err = snd_card_register(card)) < 0) { 2514 snd_card_free(card); 2515 return err; 2516 } 2517 pci_set_drvdata(pci, card); 2518 return 0; 2519 2520 __error: 2521 snd_card_free(card); 2522 return err; 2523 } 2524 2525 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2526 { 2527 snd_card_free(pci_get_drvdata(pci)); 2528 pci_set_drvdata(pci, NULL); 2529 } 2530 2531 static struct pci_driver driver = { 2532 .name = "VIA 82xx Audio", 2533 .id_table = snd_via82xx_ids, 2534 .probe = snd_via82xx_probe, 2535 .remove = __devexit_p(snd_via82xx_remove), 2536 #ifdef CONFIG_PM 2537 .suspend = snd_via82xx_suspend, 2538 .resume = snd_via82xx_resume, 2539 #endif 2540 }; 2541 2542 static int __init alsa_card_via82xx_init(void) 2543 { 2544 return pci_register_driver(&driver); 2545 } 2546 2547 static void __exit alsa_card_via82xx_exit(void) 2548 { 2549 pci_unregister_driver(&driver); 2550 } 2551 2552 module_init(alsa_card_via82xx_init) 2553 module_exit(alsa_card_via82xx_exit) 2554