1 /* 2 * ALSA driver for VIA VT82xx (South Bridge) 3 * 4 * VT82C686A/B/C, VT8233A/C, VT8235 5 * 6 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 7 * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> 8 * 2002 Takashi Iwai <tiwai@suse.de> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 /* 27 * Changes: 28 * 29 * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de> 30 * - use the DSX channels for the first pcm playback. 31 * (on VIA8233, 8233C and 8235 only) 32 * this will allow you play simultaneously up to 4 streams. 33 * multi-channel playback is assigned to the second device 34 * on these chips. 35 * - support the secondary capture (on VIA8233/C,8235) 36 * - SPDIF support 37 * the DSX3 channel can be used for SPDIF output. 38 * on VIA8233A, this channel is assigned to the second pcm 39 * playback. 40 * the card config of alsa-lib will assign the correct 41 * device for applications. 42 * - clean up the code, separate low-level initialization 43 * routines for each chipset. 44 * 45 * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> 46 * - Optimize position calculation for the 823x chips. 47 */ 48 49 #include <asm/io.h> 50 #include <linux/delay.h> 51 #include <linux/interrupt.h> 52 #include <linux/init.h> 53 #include <linux/pci.h> 54 #include <linux/slab.h> 55 #include <linux/gameport.h> 56 #include <linux/moduleparam.h> 57 #include <sound/core.h> 58 #include <sound/pcm.h> 59 #include <sound/pcm_params.h> 60 #include <sound/info.h> 61 #include <sound/tlv.h> 62 #include <sound/ac97_codec.h> 63 #include <sound/mpu401.h> 64 #include <sound/initval.h> 65 66 #if 0 67 #define POINTER_DEBUG 68 #endif 69 70 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 71 MODULE_DESCRIPTION("VIA VT82xx audio"); 72 MODULE_LICENSE("GPL"); 73 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 74 75 #if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE)) 76 #define SUPPORT_JOYSTICK 1 77 #endif 78 79 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 80 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 81 static long mpu_port; 82 #ifdef SUPPORT_JOYSTICK 83 static int joystick; 84 #endif 85 static int ac97_clock = 48000; 86 static char *ac97_quirk; 87 static int dxs_support; 88 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 #define VIA_REV_8251 0x70 127 128 /* 129 * Direct registers 130 */ 131 132 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 133 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 134 135 /* common offsets */ 136 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 137 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 138 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 139 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 140 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 141 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 142 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 143 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 144 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 145 #define VIA_REG_CTRL_START 0x80 /* WO */ 146 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 147 #define VIA_REG_CTRL_AUTOSTART 0x20 148 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 149 #define VIA_REG_CTRL_INT_STOP 0x04 150 #define VIA_REG_CTRL_INT_EOL 0x02 151 #define VIA_REG_CTRL_INT_FLAG 0x01 152 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 153 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 154 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 155 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 156 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 157 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 158 #define VIA_REG_TYPE_INT_LLINE 0x00 159 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 160 #define VIA_REG_TYPE_INT_LESSONE 0x08 161 #define VIA_REG_TYPE_INT_MASK 0x0c 162 #define VIA_REG_TYPE_INT_EOL 0x02 163 #define VIA_REG_TYPE_INT_FLAG 0x01 164 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 165 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 166 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 167 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 168 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 169 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 170 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 171 172 #define DEFINE_VIA_REGSET(name,val) \ 173 enum {\ 174 VIA_REG_##name##_STATUS = (val),\ 175 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 176 VIA_REG_##name##_TYPE = (val) + 0x02,\ 177 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 178 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 179 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 180 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 181 } 182 183 /* playback block */ 184 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 185 DEFINE_VIA_REGSET(CAPTURE, 0x10); 186 DEFINE_VIA_REGSET(FM, 0x20); 187 188 /* AC'97 */ 189 #define VIA_REG_AC97 0x80 /* dword */ 190 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 191 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 192 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 193 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 194 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 195 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 196 #define VIA_REG_AC97_BUSY (1<<24) 197 #define VIA_REG_AC97_READ (1<<23) 198 #define VIA_REG_AC97_CMD_SHIFT 16 199 #define VIA_REG_AC97_CMD_MASK 0x7e 200 #define VIA_REG_AC97_DATA_SHIFT 0 201 #define VIA_REG_AC97_DATA_MASK 0xffff 202 203 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 204 /* via686 */ 205 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 206 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 207 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 208 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 209 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 210 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 211 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 212 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 213 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 214 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 215 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 216 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 217 /* via8233 */ 218 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 219 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 220 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 221 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 222 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 223 #define VIA8233_REG_SGD_CHAN_SDX 0 224 #define VIA8233_REG_SGD_CHAN_MULTI 4 225 #define VIA8233_REG_SGD_CHAN_REC 6 226 #define VIA8233_REG_SGD_CHAN_REC1 7 227 228 #define VIA_REG_GPI_STATUS 0x88 229 #define VIA_REG_GPI_INTR 0x8c 230 231 /* multi-channel and capture registers for via8233 */ 232 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 233 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 234 235 /* via8233-specific registers */ 236 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 237 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 238 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 239 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 240 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 241 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 242 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 243 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 244 245 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 246 247 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 248 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 249 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 250 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 251 252 #define VIA_TBL_BIT_FLAG 0x40000000 253 #define VIA_TBL_BIT_EOL 0x80000000 254 255 /* pci space */ 256 #define VIA_ACLINK_STAT 0x40 257 #define VIA_ACLINK_C11_READY 0x20 258 #define VIA_ACLINK_C10_READY 0x10 259 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 260 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 261 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 262 #define VIA_ACLINK_CTRL 0x41 263 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 264 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 265 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 266 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 267 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 268 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 269 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 270 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 271 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 272 VIA_ACLINK_CTRL_RESET|\ 273 VIA_ACLINK_CTRL_PCM|\ 274 VIA_ACLINK_CTRL_VRA) 275 #define VIA_FUNC_ENABLE 0x42 276 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 277 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 278 #define VIA_FUNC_RX2C_WRITE 0x20 279 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 280 #define VIA_FUNC_ENABLE_GAME 0x08 281 #define VIA_FUNC_ENABLE_FM 0x04 282 #define VIA_FUNC_ENABLE_MIDI 0x02 283 #define VIA_FUNC_ENABLE_SB 0x01 284 #define VIA_PNP_CONTROL 0x43 285 #define VIA_FM_NMI_CTRL 0x48 286 #define VIA8233_VOLCHG_CTRL 0x48 287 #define VIA8233_SPDIF_CTRL 0x49 288 #define VIA8233_SPDIF_DX3 0x08 289 #define VIA8233_SPDIF_SLOT_MASK 0x03 290 #define VIA8233_SPDIF_SLOT_1011 0x00 291 #define VIA8233_SPDIF_SLOT_34 0x01 292 #define VIA8233_SPDIF_SLOT_78 0x02 293 #define VIA8233_SPDIF_SLOT_69 0x03 294 295 /* 296 */ 297 298 #define VIA_DXS_AUTO 0 299 #define VIA_DXS_ENABLE 1 300 #define VIA_DXS_DISABLE 2 301 #define VIA_DXS_48K 3 302 #define VIA_DXS_NO_VRA 4 303 #define VIA_DXS_SRC 5 304 305 306 /* 307 * pcm stream 308 */ 309 310 struct snd_via_sg_table { 311 unsigned int offset; 312 unsigned int size; 313 } ; 314 315 #define VIA_TABLE_SIZE 255 316 #define VIA_MAX_BUFSIZE (1<<24) 317 318 struct viadev { 319 unsigned int reg_offset; 320 unsigned long port; 321 int direction; /* playback = 0, capture = 1 */ 322 struct snd_pcm_substream *substream; 323 int running; 324 unsigned int tbl_entries; /* # descriptors */ 325 struct snd_dma_buffer table; 326 struct snd_via_sg_table *idx_table; 327 /* for recovery from the unexpected pointer */ 328 unsigned int lastpos; 329 unsigned int fragsize; 330 unsigned int bufsize; 331 unsigned int bufsize2; 332 int hwptr_done; /* processed frame position in the buffer */ 333 int in_interrupt; 334 int shadow_shift; 335 }; 336 337 338 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 339 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 340 341 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 342 343 struct via_rate_lock { 344 spinlock_t lock; 345 int rate; 346 int used; 347 }; 348 349 struct via82xx { 350 int irq; 351 352 unsigned long port; 353 struct resource *mpu_res; 354 int chip_type; 355 unsigned char revision; 356 357 unsigned char old_legacy; 358 unsigned char old_legacy_cfg; 359 #ifdef CONFIG_PM 360 unsigned char legacy_saved; 361 unsigned char legacy_cfg_saved; 362 unsigned char spdif_ctrl_saved; 363 unsigned char capture_src_saved[2]; 364 unsigned int mpu_port_saved; 365 #endif 366 367 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 368 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 369 370 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 371 372 struct pci_dev *pci; 373 struct snd_card *card; 374 375 unsigned int num_devs; 376 unsigned int playback_devno, multi_devno, capture_devno; 377 struct viadev devs[VIA_MAX_DEVS]; 378 struct via_rate_lock rates[2]; /* playback and capture */ 379 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 380 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 381 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 382 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 383 384 struct snd_pcm *pcms[2]; 385 struct snd_rawmidi *rmidi; 386 387 struct snd_ac97_bus *ac97_bus; 388 struct snd_ac97 *ac97; 389 unsigned int ac97_clock; 390 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 391 392 spinlock_t reg_lock; 393 struct snd_info_entry *proc_entry; 394 395 #ifdef SUPPORT_JOYSTICK 396 struct gameport *gameport; 397 #endif 398 }; 399 400 static struct pci_device_id snd_via82xx_ids[] = { 401 /* 0x1106, 0x3058 */ 402 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA686, }, /* 686A */ 403 /* 0x1106, 0x3059 */ 404 { PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, TYPE_CARD_VIA8233, }, /* VT8233 */ 405 { 0, } 406 }; 407 408 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 409 410 /* 411 */ 412 413 /* 414 * allocate and initialize the descriptor buffers 415 * periods = number of periods 416 * fragsize = period size in bytes 417 */ 418 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 419 struct pci_dev *pci, 420 unsigned int periods, unsigned int fragsize) 421 { 422 unsigned int i, idx, ofs, rest; 423 struct via82xx *chip = snd_pcm_substream_chip(substream); 424 425 if (dev->table.area == NULL) { 426 /* the start of each lists must be aligned to 8 bytes, 427 * but the kernel pages are much bigger, so we don't care 428 */ 429 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 430 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 431 &dev->table) < 0) 432 return -ENOMEM; 433 } 434 if (! dev->idx_table) { 435 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 436 if (! dev->idx_table) 437 return -ENOMEM; 438 } 439 440 /* fill the entries */ 441 idx = 0; 442 ofs = 0; 443 for (i = 0; i < periods; i++) { 444 rest = fragsize; 445 /* fill descriptors for a period. 446 * a period can be split to several descriptors if it's 447 * over page boundary. 448 */ 449 do { 450 unsigned int r; 451 unsigned int flag; 452 unsigned int addr; 453 454 if (idx >= VIA_TABLE_SIZE) { 455 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 456 return -EINVAL; 457 } 458 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 459 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 460 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 461 rest -= r; 462 if (! rest) { 463 if (i == periods - 1) 464 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 465 else 466 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 467 } else 468 flag = 0; /* period continues to the next */ 469 // printk("via: tbl %d: at %d size %d (rest %d)\n", idx, ofs, r, rest); 470 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 471 dev->idx_table[idx].offset = ofs; 472 dev->idx_table[idx].size = r; 473 ofs += r; 474 idx++; 475 } while (rest > 0); 476 } 477 dev->tbl_entries = idx; 478 dev->bufsize = periods * fragsize; 479 dev->bufsize2 = dev->bufsize / 2; 480 dev->fragsize = fragsize; 481 return 0; 482 } 483 484 485 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 486 struct pci_dev *pci) 487 { 488 if (dev->table.area) { 489 snd_dma_free_pages(&dev->table); 490 dev->table.area = NULL; 491 } 492 kfree(dev->idx_table); 493 dev->idx_table = NULL; 494 return 0; 495 } 496 497 /* 498 * Basic I/O 499 */ 500 501 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 502 { 503 return inl(VIAREG(chip, AC97)); 504 } 505 506 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 507 { 508 outl(val, VIAREG(chip, AC97)); 509 } 510 511 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 512 { 513 unsigned int timeout = 1000; /* 1ms */ 514 unsigned int val; 515 516 while (timeout-- > 0) { 517 udelay(1); 518 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 519 return val & 0xffff; 520 } 521 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 522 secondary, snd_via82xx_codec_xread(chip)); 523 return -EIO; 524 } 525 526 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 527 { 528 unsigned int timeout = 1000; /* 1ms */ 529 unsigned int val, val1; 530 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 531 VIA_REG_AC97_SECONDARY_VALID; 532 533 while (timeout-- > 0) { 534 val = snd_via82xx_codec_xread(chip); 535 val1 = val & (VIA_REG_AC97_BUSY | stat); 536 if (val1 == stat) 537 return val & 0xffff; 538 udelay(1); 539 } 540 return -EIO; 541 } 542 543 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 544 { 545 struct via82xx *chip = ac97->private_data; 546 int err; 547 err = snd_via82xx_codec_ready(chip, ac97->num); 548 /* here we need to wait fairly for long time.. */ 549 msleep(500); 550 } 551 552 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 553 unsigned short reg, 554 unsigned short val) 555 { 556 struct via82xx *chip = ac97->private_data; 557 unsigned int xval; 558 559 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 560 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 561 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 562 xval |= val << VIA_REG_AC97_DATA_SHIFT; 563 snd_via82xx_codec_xwrite(chip, xval); 564 snd_via82xx_codec_ready(chip, ac97->num); 565 } 566 567 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 568 { 569 struct via82xx *chip = ac97->private_data; 570 unsigned int xval, val = 0xffff; 571 int again = 0; 572 573 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 574 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 575 xval |= VIA_REG_AC97_READ; 576 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 577 while (1) { 578 if (again++ > 3) { 579 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 580 ac97->num, snd_via82xx_codec_xread(chip)); 581 return 0xffff; 582 } 583 snd_via82xx_codec_xwrite(chip, xval); 584 udelay (20); 585 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 586 udelay(25); 587 val = snd_via82xx_codec_xread(chip); 588 break; 589 } 590 } 591 return val & 0xffff; 592 } 593 594 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 595 { 596 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 597 VIADEV_REG(viadev, OFFSET_CONTROL)); 598 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 599 udelay(50); 600 /* disable interrupts */ 601 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 602 /* clear interrupts */ 603 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 604 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 605 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 606 viadev->lastpos = 0; 607 viadev->hwptr_done = 0; 608 } 609 610 611 /* 612 * Interrupt handler 613 * Used for 686 and 8233A 614 */ 615 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 616 { 617 struct via82xx *chip = dev_id; 618 unsigned int status; 619 unsigned int i; 620 621 status = inl(VIAREG(chip, SGD_SHADOW)); 622 if (! (status & chip->intr_mask)) { 623 if (chip->rmidi) 624 /* check mpu401 interrupt */ 625 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 626 return IRQ_NONE; 627 } 628 629 /* check status for each stream */ 630 spin_lock(&chip->reg_lock); 631 for (i = 0; i < chip->num_devs; i++) { 632 struct viadev *viadev = &chip->devs[i]; 633 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 634 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 635 continue; 636 if (viadev->substream && viadev->running) { 637 /* 638 * Update hwptr_done based on 'period elapsed' 639 * interrupts. We'll use it, when the chip returns 0 640 * for OFFSET_CURR_COUNT. 641 */ 642 if (c_status & VIA_REG_STAT_EOL) 643 viadev->hwptr_done = 0; 644 else 645 viadev->hwptr_done += viadev->fragsize; 646 viadev->in_interrupt = c_status; 647 spin_unlock(&chip->reg_lock); 648 snd_pcm_period_elapsed(viadev->substream); 649 spin_lock(&chip->reg_lock); 650 viadev->in_interrupt = 0; 651 } 652 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 653 } 654 spin_unlock(&chip->reg_lock); 655 return IRQ_HANDLED; 656 } 657 658 /* 659 * Interrupt handler 660 */ 661 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 662 { 663 struct via82xx *chip = dev_id; 664 unsigned int status; 665 unsigned int i; 666 int irqreturn = 0; 667 668 /* check status for each stream */ 669 spin_lock(&chip->reg_lock); 670 status = inl(VIAREG(chip, SGD_SHADOW)); 671 672 for (i = 0; i < chip->num_devs; i++) { 673 struct viadev *viadev = &chip->devs[i]; 674 struct snd_pcm_substream *substream; 675 unsigned char c_status, shadow_status; 676 677 shadow_status = (status >> viadev->shadow_shift) & 678 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 679 VIA_REG_STAT_FLAG); 680 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 681 if (!c_status) 682 continue; 683 684 substream = viadev->substream; 685 if (substream && viadev->running) { 686 /* 687 * Update hwptr_done based on 'period elapsed' 688 * interrupts. We'll use it, when the chip returns 0 689 * for OFFSET_CURR_COUNT. 690 */ 691 if (c_status & VIA_REG_STAT_EOL) 692 viadev->hwptr_done = 0; 693 else 694 viadev->hwptr_done += viadev->fragsize; 695 viadev->in_interrupt = c_status; 696 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 697 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 698 spin_unlock(&chip->reg_lock); 699 700 snd_pcm_period_elapsed(substream); 701 702 spin_lock(&chip->reg_lock); 703 viadev->in_interrupt = 0; 704 } 705 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 706 irqreturn = 1; 707 } 708 spin_unlock(&chip->reg_lock); 709 return IRQ_RETVAL(irqreturn); 710 } 711 712 /* 713 * PCM callbacks 714 */ 715 716 /* 717 * trigger callback 718 */ 719 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 720 { 721 struct via82xx *chip = snd_pcm_substream_chip(substream); 722 struct viadev *viadev = substream->runtime->private_data; 723 unsigned char val; 724 725 if (chip->chip_type != TYPE_VIA686) 726 val = VIA_REG_CTRL_INT; 727 else 728 val = 0; 729 switch (cmd) { 730 case SNDRV_PCM_TRIGGER_START: 731 case SNDRV_PCM_TRIGGER_RESUME: 732 val |= VIA_REG_CTRL_START; 733 viadev->running = 1; 734 break; 735 case SNDRV_PCM_TRIGGER_STOP: 736 case SNDRV_PCM_TRIGGER_SUSPEND: 737 val = VIA_REG_CTRL_TERMINATE; 738 viadev->running = 0; 739 break; 740 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 741 val |= VIA_REG_CTRL_PAUSE; 742 viadev->running = 0; 743 break; 744 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 745 viadev->running = 1; 746 break; 747 default: 748 return -EINVAL; 749 } 750 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 751 if (cmd == SNDRV_PCM_TRIGGER_STOP) 752 snd_via82xx_channel_reset(chip, viadev); 753 return 0; 754 } 755 756 757 /* 758 * pointer callbacks 759 */ 760 761 /* 762 * calculate the linear position at the given sg-buffer index and the rest count 763 */ 764 765 #define check_invalid_pos(viadev,pos) \ 766 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 767 viadev->lastpos < viadev->bufsize2)) 768 769 static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 770 unsigned int count) 771 { 772 unsigned int size, base, res; 773 774 size = viadev->idx_table[idx].size; 775 base = viadev->idx_table[idx].offset; 776 res = base + size - count; 777 if (res >= viadev->bufsize) 778 res -= viadev->bufsize; 779 780 /* check the validity of the calculated position */ 781 if (size < count) { 782 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 783 (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, " 800 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 801 "count = 0x%x\n", idx, viadev->tbl_entries, 802 viadev->lastpos, viadev->bufsize2, 803 viadev->idx_table[idx].offset, 804 viadev->idx_table[idx].size, count); 805 #endif 806 /* count register returns full size when end of buffer is reached */ 807 res = base + size; 808 if (check_invalid_pos(viadev, res)) { 809 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 810 "using last valid pointer\n"); 811 res = viadev->lastpos; 812 } 813 } 814 } 815 return res; 816 } 817 818 /* 819 * get the current pointer on via686 820 */ 821 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 822 { 823 struct via82xx *chip = snd_pcm_substream_chip(substream); 824 struct viadev *viadev = substream->runtime->private_data; 825 unsigned int idx, ptr, count, res; 826 827 if (snd_BUG_ON(!viadev->tbl_entries)) 828 return 0; 829 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 830 return 0; 831 832 spin_lock(&chip->reg_lock); 833 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 834 /* The via686a does not have the current index register, 835 * so we need to calculate the index from CURR_PTR. 836 */ 837 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 838 if (ptr <= (unsigned int)viadev->table.addr) 839 idx = 0; 840 else /* CURR_PTR holds the address + 8 */ 841 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 842 res = calc_linear_pos(viadev, idx, count); 843 viadev->lastpos = res; /* remember the last position */ 844 spin_unlock(&chip->reg_lock); 845 846 return bytes_to_frames(substream->runtime, res); 847 } 848 849 /* 850 * get the current pointer on via823x 851 */ 852 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 853 { 854 struct via82xx *chip = snd_pcm_substream_chip(substream); 855 struct viadev *viadev = substream->runtime->private_data; 856 unsigned int idx, count, res; 857 int status; 858 859 if (snd_BUG_ON(!viadev->tbl_entries)) 860 return 0; 861 862 spin_lock(&chip->reg_lock); 863 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 864 status = viadev->in_interrupt; 865 if (!status) 866 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 867 868 /* An apparent bug in the 8251 is worked around by sending a 869 * REG_CTRL_START. */ 870 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 871 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 872 873 if (!(status & VIA_REG_STAT_ACTIVE)) { 874 res = 0; 875 goto unlock; 876 } 877 if (count & 0xffffff) { 878 idx = count >> 24; 879 if (idx >= viadev->tbl_entries) { 880 #ifdef POINTER_DEBUG 881 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 882 viadev->tbl_entries); 883 #endif 884 res = viadev->lastpos; 885 } else { 886 count &= 0xffffff; 887 res = calc_linear_pos(viadev, idx, count); 888 } 889 } else { 890 res = viadev->hwptr_done; 891 if (!viadev->in_interrupt) { 892 if (status & VIA_REG_STAT_EOL) { 893 res = 0; 894 } else 895 if (status & VIA_REG_STAT_FLAG) { 896 res += viadev->fragsize; 897 } 898 } 899 } 900 unlock: 901 viadev->lastpos = res; 902 spin_unlock(&chip->reg_lock); 903 904 return bytes_to_frames(substream->runtime, res); 905 } 906 907 908 /* 909 * hw_params callback: 910 * allocate the buffer and build up the buffer description table 911 */ 912 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 913 struct snd_pcm_hw_params *hw_params) 914 { 915 struct via82xx *chip = snd_pcm_substream_chip(substream); 916 struct viadev *viadev = substream->runtime->private_data; 917 int err; 918 919 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 920 if (err < 0) 921 return err; 922 err = build_via_table(viadev, substream, chip->pci, 923 params_periods(hw_params), 924 params_period_bytes(hw_params)); 925 if (err < 0) 926 return err; 927 928 return 0; 929 } 930 931 /* 932 * hw_free callback: 933 * clean up the buffer description table and release the buffer 934 */ 935 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 936 { 937 struct via82xx *chip = snd_pcm_substream_chip(substream); 938 struct viadev *viadev = substream->runtime->private_data; 939 940 clean_via_table(viadev, substream, chip->pci); 941 snd_pcm_lib_free_pages(substream); 942 return 0; 943 } 944 945 946 /* 947 * set up the table pointer 948 */ 949 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 950 { 951 snd_via82xx_codec_ready(chip, 0); 952 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 953 udelay(20); 954 snd_via82xx_codec_ready(chip, 0); 955 } 956 957 /* 958 * prepare callback for playback and capture on via686 959 */ 960 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 961 struct snd_pcm_runtime *runtime) 962 { 963 snd_via82xx_channel_reset(chip, viadev); 964 /* this must be set after channel_reset */ 965 snd_via82xx_set_table_ptr(chip, viadev); 966 outb(VIA_REG_TYPE_AUTOSTART | 967 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 968 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 969 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 970 VIA_REG_TYPE_INT_EOL | 971 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 972 } 973 974 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 975 { 976 struct via82xx *chip = snd_pcm_substream_chip(substream); 977 struct viadev *viadev = substream->runtime->private_data; 978 struct snd_pcm_runtime *runtime = substream->runtime; 979 980 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 981 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 982 via686_setup_format(chip, viadev, runtime); 983 return 0; 984 } 985 986 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 987 { 988 struct via82xx *chip = snd_pcm_substream_chip(substream); 989 struct viadev *viadev = substream->runtime->private_data; 990 struct snd_pcm_runtime *runtime = substream->runtime; 991 992 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 993 via686_setup_format(chip, viadev, runtime); 994 return 0; 995 } 996 997 /* 998 * lock the current rate 999 */ 1000 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1001 { 1002 int changed = 0; 1003 1004 spin_lock_irq(&rec->lock); 1005 if (rec->rate != rate) { 1006 if (rec->rate && rec->used > 1) /* already set */ 1007 changed = -EINVAL; 1008 else { 1009 rec->rate = rate; 1010 changed = 1; 1011 } 1012 } 1013 spin_unlock_irq(&rec->lock); 1014 return changed; 1015 } 1016 1017 /* 1018 * prepare callback for DSX playback on via823x 1019 */ 1020 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1021 { 1022 struct via82xx *chip = snd_pcm_substream_chip(substream); 1023 struct viadev *viadev = substream->runtime->private_data; 1024 struct snd_pcm_runtime *runtime = substream->runtime; 1025 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1026 int rate_changed; 1027 u32 rbits; 1028 1029 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1030 return rate_changed; 1031 if (rate_changed) 1032 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1033 chip->no_vra ? 48000 : runtime->rate); 1034 if (chip->spdif_on && viadev->reg_offset == 0x30) 1035 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1036 1037 if (runtime->rate == 48000) 1038 rbits = 0xfffff; 1039 else 1040 rbits = (0x100000 / 48000) * runtime->rate + 1041 ((0x100000 % 48000) * runtime->rate) / 48000; 1042 snd_BUG_ON(rbits & ~0xfffff); 1043 snd_via82xx_channel_reset(chip, viadev); 1044 snd_via82xx_set_table_ptr(chip, viadev); 1045 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1046 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1047 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1048 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1049 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1050 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1051 rbits | /* rate */ 1052 0xff000000, /* STOP index is never reached */ 1053 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1054 udelay(20); 1055 snd_via82xx_codec_ready(chip, 0); 1056 return 0; 1057 } 1058 1059 /* 1060 * prepare callback for multi-channel playback on via823x 1061 */ 1062 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1063 { 1064 struct via82xx *chip = snd_pcm_substream_chip(substream); 1065 struct viadev *viadev = substream->runtime->private_data; 1066 struct snd_pcm_runtime *runtime = substream->runtime; 1067 unsigned int slots; 1068 int fmt; 1069 1070 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1071 return -EINVAL; 1072 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1073 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1074 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1075 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1076 snd_via82xx_channel_reset(chip, viadev); 1077 snd_via82xx_set_table_ptr(chip, viadev); 1078 1079 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1080 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1081 fmt |= runtime->channels << 4; 1082 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1083 #if 0 1084 if (chip->revision == VIA_REV_8233A) 1085 slots = 0; 1086 else 1087 #endif 1088 { 1089 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1090 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1091 switch (runtime->channels) { 1092 case 1: slots = (1<<0) | (1<<4); break; 1093 case 2: slots = (1<<0) | (2<<4); break; 1094 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1095 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1096 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1097 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1098 default: slots = 0; break; 1099 } 1100 } 1101 /* STOP index is never reached */ 1102 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1103 udelay(20); 1104 snd_via82xx_codec_ready(chip, 0); 1105 return 0; 1106 } 1107 1108 /* 1109 * prepare callback for capture on via823x 1110 */ 1111 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1112 { 1113 struct via82xx *chip = snd_pcm_substream_chip(substream); 1114 struct viadev *viadev = substream->runtime->private_data; 1115 struct snd_pcm_runtime *runtime = substream->runtime; 1116 1117 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1118 return -EINVAL; 1119 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1120 snd_via82xx_channel_reset(chip, viadev); 1121 snd_via82xx_set_table_ptr(chip, viadev); 1122 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1123 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1124 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1125 0xff000000, /* STOP index is never reached */ 1126 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1127 udelay(20); 1128 snd_via82xx_codec_ready(chip, 0); 1129 return 0; 1130 } 1131 1132 1133 /* 1134 * pcm hardware definition, identical for both playback and capture 1135 */ 1136 static struct snd_pcm_hardware snd_via82xx_hw = 1137 { 1138 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1139 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1140 SNDRV_PCM_INFO_MMAP_VALID | 1141 /* SNDRV_PCM_INFO_RESUME | */ 1142 SNDRV_PCM_INFO_PAUSE), 1143 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1144 .rates = SNDRV_PCM_RATE_48000, 1145 .rate_min = 48000, 1146 .rate_max = 48000, 1147 .channels_min = 1, 1148 .channels_max = 2, 1149 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1150 .period_bytes_min = 32, 1151 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1152 .periods_min = 2, 1153 .periods_max = VIA_TABLE_SIZE / 2, 1154 .fifo_size = 0, 1155 }; 1156 1157 1158 /* 1159 * open callback skeleton 1160 */ 1161 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1162 struct snd_pcm_substream *substream) 1163 { 1164 struct snd_pcm_runtime *runtime = substream->runtime; 1165 int err; 1166 struct via_rate_lock *ratep; 1167 1168 runtime->hw = snd_via82xx_hw; 1169 1170 /* set the hw rate condition */ 1171 ratep = &chip->rates[viadev->direction]; 1172 spin_lock_irq(&ratep->lock); 1173 ratep->used++; 1174 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1175 /* DXS#3 and spdif is on */ 1176 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1177 snd_pcm_limit_hw_rates(runtime); 1178 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1179 /* fixed DXS playback rate */ 1180 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1181 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1182 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1183 /* use full SRC capabilities of DXS */ 1184 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1185 SNDRV_PCM_RATE_8000_48000); 1186 runtime->hw.rate_min = 8000; 1187 runtime->hw.rate_max = 48000; 1188 } else if (! ratep->rate) { 1189 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1190 runtime->hw.rates = chip->ac97->rates[idx]; 1191 snd_pcm_limit_hw_rates(runtime); 1192 } else { 1193 /* a fixed rate */ 1194 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1195 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1196 } 1197 spin_unlock_irq(&ratep->lock); 1198 1199 /* we may remove following constaint when we modify table entries 1200 in interrupt */ 1201 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1202 return err; 1203 1204 runtime->private_data = viadev; 1205 viadev->substream = substream; 1206 1207 return 0; 1208 } 1209 1210 1211 /* 1212 * open callback for playback on via686 and via823x DSX 1213 */ 1214 static int snd_via82xx_playback_open(struct snd_pcm_substream *substream) 1215 { 1216 struct via82xx *chip = snd_pcm_substream_chip(substream); 1217 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1218 int err; 1219 1220 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1221 return err; 1222 return 0; 1223 } 1224 1225 /* 1226 * open callback for playback on via823x multi-channel 1227 */ 1228 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1229 { 1230 struct via82xx *chip = snd_pcm_substream_chip(substream); 1231 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1232 int err; 1233 /* channels constraint for VIA8233A 1234 * 3 and 5 channels are not supported 1235 */ 1236 static unsigned int channels[] = { 1237 1, 2, 4, 6 1238 }; 1239 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1240 .count = ARRAY_SIZE(channels), 1241 .list = channels, 1242 .mask = 0, 1243 }; 1244 1245 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1246 return err; 1247 substream->runtime->hw.channels_max = 6; 1248 if (chip->revision == VIA_REV_8233A) 1249 snd_pcm_hw_constraint_list(substream->runtime, 0, 1250 SNDRV_PCM_HW_PARAM_CHANNELS, 1251 &hw_constraints_channels); 1252 return 0; 1253 } 1254 1255 /* 1256 * open callback for capture on via686 and via823x 1257 */ 1258 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1259 { 1260 struct via82xx *chip = snd_pcm_substream_chip(substream); 1261 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1262 1263 return snd_via82xx_pcm_open(chip, viadev, substream); 1264 } 1265 1266 /* 1267 * close callback 1268 */ 1269 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1270 { 1271 struct via82xx *chip = snd_pcm_substream_chip(substream); 1272 struct viadev *viadev = substream->runtime->private_data; 1273 struct via_rate_lock *ratep; 1274 1275 /* release the rate lock */ 1276 ratep = &chip->rates[viadev->direction]; 1277 spin_lock_irq(&ratep->lock); 1278 ratep->used--; 1279 if (! ratep->used) 1280 ratep->rate = 0; 1281 spin_unlock_irq(&ratep->lock); 1282 if (! ratep->rate) { 1283 if (! viadev->direction) { 1284 snd_ac97_update_power(chip->ac97, 1285 AC97_PCM_FRONT_DAC_RATE, 0); 1286 snd_ac97_update_power(chip->ac97, 1287 AC97_PCM_SURR_DAC_RATE, 0); 1288 snd_ac97_update_power(chip->ac97, 1289 AC97_PCM_LFE_DAC_RATE, 0); 1290 } else 1291 snd_ac97_update_power(chip->ac97, 1292 AC97_PCM_LR_ADC_RATE, 0); 1293 } 1294 viadev->substream = NULL; 1295 return 0; 1296 } 1297 1298 1299 /* via686 playback callbacks */ 1300 static struct snd_pcm_ops snd_via686_playback_ops = { 1301 .open = snd_via82xx_playback_open, 1302 .close = snd_via82xx_pcm_close, 1303 .ioctl = snd_pcm_lib_ioctl, 1304 .hw_params = snd_via82xx_hw_params, 1305 .hw_free = snd_via82xx_hw_free, 1306 .prepare = snd_via686_playback_prepare, 1307 .trigger = snd_via82xx_pcm_trigger, 1308 .pointer = snd_via686_pcm_pointer, 1309 .page = snd_pcm_sgbuf_ops_page, 1310 }; 1311 1312 /* via686 capture callbacks */ 1313 static struct snd_pcm_ops snd_via686_capture_ops = { 1314 .open = snd_via82xx_capture_open, 1315 .close = snd_via82xx_pcm_close, 1316 .ioctl = snd_pcm_lib_ioctl, 1317 .hw_params = snd_via82xx_hw_params, 1318 .hw_free = snd_via82xx_hw_free, 1319 .prepare = snd_via686_capture_prepare, 1320 .trigger = snd_via82xx_pcm_trigger, 1321 .pointer = snd_via686_pcm_pointer, 1322 .page = snd_pcm_sgbuf_ops_page, 1323 }; 1324 1325 /* via823x DSX playback callbacks */ 1326 static struct snd_pcm_ops snd_via8233_playback_ops = { 1327 .open = snd_via82xx_playback_open, 1328 .close = snd_via82xx_pcm_close, 1329 .ioctl = snd_pcm_lib_ioctl, 1330 .hw_params = snd_via82xx_hw_params, 1331 .hw_free = snd_via82xx_hw_free, 1332 .prepare = snd_via8233_playback_prepare, 1333 .trigger = snd_via82xx_pcm_trigger, 1334 .pointer = snd_via8233_pcm_pointer, 1335 .page = snd_pcm_sgbuf_ops_page, 1336 }; 1337 1338 /* via823x multi-channel playback callbacks */ 1339 static struct snd_pcm_ops snd_via8233_multi_ops = { 1340 .open = snd_via8233_multi_open, 1341 .close = snd_via82xx_pcm_close, 1342 .ioctl = snd_pcm_lib_ioctl, 1343 .hw_params = snd_via82xx_hw_params, 1344 .hw_free = snd_via82xx_hw_free, 1345 .prepare = snd_via8233_multi_prepare, 1346 .trigger = snd_via82xx_pcm_trigger, 1347 .pointer = snd_via8233_pcm_pointer, 1348 .page = snd_pcm_sgbuf_ops_page, 1349 }; 1350 1351 /* via823x capture callbacks */ 1352 static struct snd_pcm_ops snd_via8233_capture_ops = { 1353 .open = snd_via82xx_capture_open, 1354 .close = snd_via82xx_pcm_close, 1355 .ioctl = snd_pcm_lib_ioctl, 1356 .hw_params = snd_via82xx_hw_params, 1357 .hw_free = snd_via82xx_hw_free, 1358 .prepare = snd_via8233_capture_prepare, 1359 .trigger = snd_via82xx_pcm_trigger, 1360 .pointer = snd_via8233_pcm_pointer, 1361 .page = snd_pcm_sgbuf_ops_page, 1362 }; 1363 1364 1365 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1366 int shadow_pos, int direction) 1367 { 1368 chip->devs[idx].reg_offset = reg_offset; 1369 chip->devs[idx].shadow_shift = shadow_pos * 4; 1370 chip->devs[idx].direction = direction; 1371 chip->devs[idx].port = chip->port + reg_offset; 1372 } 1373 1374 /* 1375 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1376 */ 1377 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1378 { 1379 struct snd_pcm *pcm; 1380 int i, err; 1381 1382 chip->playback_devno = 0; /* x 4 */ 1383 chip->multi_devno = 4; /* x 1 */ 1384 chip->capture_devno = 5; /* x 2 */ 1385 chip->num_devs = 7; 1386 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1387 1388 /* PCM #0: 4 DSX playbacks and 1 capture */ 1389 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1390 if (err < 0) 1391 return err; 1392 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1393 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1394 pcm->private_data = chip; 1395 strcpy(pcm->name, chip->card->shortname); 1396 chip->pcms[0] = pcm; 1397 /* set up playbacks */ 1398 for (i = 0; i < 4; i++) 1399 init_viadev(chip, i, 0x10 * i, i, 0); 1400 /* capture */ 1401 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1402 1403 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1404 snd_dma_pci_data(chip->pci), 1405 64*1024, VIA_MAX_BUFSIZE); 1406 1407 /* PCM #1: multi-channel playback and 2nd capture */ 1408 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1409 if (err < 0) 1410 return err; 1411 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1412 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1413 pcm->private_data = chip; 1414 strcpy(pcm->name, chip->card->shortname); 1415 chip->pcms[1] = pcm; 1416 /* set up playback */ 1417 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1418 /* set up capture */ 1419 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1420 1421 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1422 snd_dma_pci_data(chip->pci), 1423 64*1024, VIA_MAX_BUFSIZE); 1424 return 0; 1425 } 1426 1427 /* 1428 * create pcm instances for VIA8233A 1429 */ 1430 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1431 { 1432 struct snd_pcm *pcm; 1433 int err; 1434 1435 chip->multi_devno = 0; 1436 chip->playback_devno = 1; 1437 chip->capture_devno = 2; 1438 chip->num_devs = 3; 1439 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1440 1441 /* PCM #0: multi-channel playback and capture */ 1442 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1443 if (err < 0) 1444 return err; 1445 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1446 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1447 pcm->private_data = chip; 1448 strcpy(pcm->name, chip->card->shortname); 1449 chip->pcms[0] = pcm; 1450 /* set up playback */ 1451 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1452 /* capture */ 1453 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1454 1455 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1456 snd_dma_pci_data(chip->pci), 1457 64*1024, VIA_MAX_BUFSIZE); 1458 1459 /* SPDIF supported? */ 1460 if (! ac97_can_spdif(chip->ac97)) 1461 return 0; 1462 1463 /* PCM #1: DXS3 playback (for spdif) */ 1464 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1465 if (err < 0) 1466 return err; 1467 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1468 pcm->private_data = chip; 1469 strcpy(pcm->name, chip->card->shortname); 1470 chip->pcms[1] = pcm; 1471 /* set up playback */ 1472 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1473 1474 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1475 snd_dma_pci_data(chip->pci), 1476 64*1024, VIA_MAX_BUFSIZE); 1477 return 0; 1478 } 1479 1480 /* 1481 * create a pcm instance for via686a/b 1482 */ 1483 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1484 { 1485 struct snd_pcm *pcm; 1486 int err; 1487 1488 chip->playback_devno = 0; 1489 chip->capture_devno = 1; 1490 chip->num_devs = 2; 1491 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1492 1493 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1494 if (err < 0) 1495 return err; 1496 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1497 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1498 pcm->private_data = chip; 1499 strcpy(pcm->name, chip->card->shortname); 1500 chip->pcms[0] = pcm; 1501 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1502 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1503 1504 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1505 snd_dma_pci_data(chip->pci), 1506 64*1024, VIA_MAX_BUFSIZE); 1507 return 0; 1508 } 1509 1510 1511 /* 1512 * Mixer part 1513 */ 1514 1515 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1516 struct snd_ctl_elem_info *uinfo) 1517 { 1518 /* formerly they were "Line" and "Mic", but it looks like that they 1519 * have nothing to do with the actual physical connections... 1520 */ 1521 static char *texts[2] = { 1522 "Input1", "Input2" 1523 }; 1524 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1525 uinfo->count = 1; 1526 uinfo->value.enumerated.items = 2; 1527 if (uinfo->value.enumerated.item >= 2) 1528 uinfo->value.enumerated.item = 1; 1529 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1530 return 0; 1531 } 1532 1533 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1534 struct snd_ctl_elem_value *ucontrol) 1535 { 1536 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1537 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1538 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1539 return 0; 1540 } 1541 1542 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1543 struct snd_ctl_elem_value *ucontrol) 1544 { 1545 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1546 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1547 u8 val, oval; 1548 1549 spin_lock_irq(&chip->reg_lock); 1550 oval = inb(port); 1551 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1552 if (ucontrol->value.enumerated.item[0]) 1553 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1554 if (val != oval) 1555 outb(val, port); 1556 spin_unlock_irq(&chip->reg_lock); 1557 return val != oval; 1558 } 1559 1560 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1561 .name = "Input Source Select", 1562 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1563 .info = snd_via8233_capture_source_info, 1564 .get = snd_via8233_capture_source_get, 1565 .put = snd_via8233_capture_source_put, 1566 }; 1567 1568 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1569 1570 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1571 struct snd_ctl_elem_value *ucontrol) 1572 { 1573 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1574 u8 val; 1575 1576 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1577 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1578 return 0; 1579 } 1580 1581 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1582 struct snd_ctl_elem_value *ucontrol) 1583 { 1584 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1585 u8 val, oval; 1586 1587 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1588 val = oval & ~VIA8233_SPDIF_DX3; 1589 if (ucontrol->value.integer.value[0]) 1590 val |= VIA8233_SPDIF_DX3; 1591 /* save the spdif flag for rate filtering */ 1592 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1593 if (val != oval) { 1594 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1595 return 1; 1596 } 1597 return 0; 1598 } 1599 1600 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1601 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1602 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1603 .info = snd_via8233_dxs3_spdif_info, 1604 .get = snd_via8233_dxs3_spdif_get, 1605 .put = snd_via8233_dxs3_spdif_put, 1606 }; 1607 1608 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1609 struct snd_ctl_elem_info *uinfo) 1610 { 1611 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1612 uinfo->count = 2; 1613 uinfo->value.integer.min = 0; 1614 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1615 return 0; 1616 } 1617 1618 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1619 struct snd_ctl_elem_value *ucontrol) 1620 { 1621 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1622 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1623 1624 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1625 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1626 return 0; 1627 } 1628 1629 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1630 struct snd_ctl_elem_value *ucontrol) 1631 { 1632 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1633 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1634 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1635 return 0; 1636 } 1637 1638 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1639 struct snd_ctl_elem_value *ucontrol) 1640 { 1641 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1642 unsigned int idx = snd_ctl_get_ioff(kcontrol, &ucontrol->id); 1643 unsigned long port = chip->port + 0x10 * idx; 1644 unsigned char val; 1645 int i, change = 0; 1646 1647 for (i = 0; i < 2; i++) { 1648 val = ucontrol->value.integer.value[i]; 1649 if (val > VIA_DXS_MAX_VOLUME) 1650 val = VIA_DXS_MAX_VOLUME; 1651 val = VIA_DXS_MAX_VOLUME - val; 1652 change |= val != chip->playback_volume[idx][i]; 1653 if (change) { 1654 chip->playback_volume[idx][i] = val; 1655 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1656 } 1657 } 1658 return change; 1659 } 1660 1661 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1662 struct snd_ctl_elem_value *ucontrol) 1663 { 1664 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1665 unsigned int idx; 1666 unsigned char val; 1667 int i, change = 0; 1668 1669 for (i = 0; i < 2; i++) { 1670 val = ucontrol->value.integer.value[i]; 1671 if (val > VIA_DXS_MAX_VOLUME) 1672 val = VIA_DXS_MAX_VOLUME; 1673 val = VIA_DXS_MAX_VOLUME - val; 1674 if (val != chip->playback_volume_c[i]) { 1675 change = 1; 1676 chip->playback_volume_c[i] = val; 1677 for (idx = 0; idx < 4; idx++) { 1678 unsigned long port = chip->port + 0x10 * idx; 1679 chip->playback_volume[idx][i] = val; 1680 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1681 } 1682 } 1683 } 1684 return change; 1685 } 1686 1687 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -9450, 150, 1); 1688 1689 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1690 .name = "PCM Playback Volume", 1691 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1692 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1693 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1694 .info = snd_via8233_dxs_volume_info, 1695 .get = snd_via8233_pcmdxs_volume_get, 1696 .put = snd_via8233_pcmdxs_volume_put, 1697 .tlv = { .p = db_scale_dxs } 1698 }; 1699 1700 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1701 .name = "VIA DXS Playback Volume", 1702 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1703 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1704 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1705 .count = 4, 1706 .info = snd_via8233_dxs_volume_info, 1707 .get = snd_via8233_dxs_volume_get, 1708 .put = snd_via8233_dxs_volume_put, 1709 .tlv = { .p = db_scale_dxs } 1710 }; 1711 1712 /* 1713 */ 1714 1715 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1716 { 1717 struct via82xx *chip = bus->private_data; 1718 chip->ac97_bus = NULL; 1719 } 1720 1721 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1722 { 1723 struct via82xx *chip = ac97->private_data; 1724 chip->ac97 = NULL; 1725 } 1726 1727 static struct ac97_quirk ac97_quirks[] = { 1728 { 1729 .subvendor = 0x1106, 1730 .subdevice = 0x4161, 1731 .codec_id = 0x56494161, /* VT1612A */ 1732 .name = "Soltek SL-75DRV5", 1733 .type = AC97_TUNE_NONE 1734 }, 1735 { /* FIXME: which codec? */ 1736 .subvendor = 0x1106, 1737 .subdevice = 0x4161, 1738 .name = "ASRock K7VT2", 1739 .type = AC97_TUNE_HP_ONLY 1740 }, 1741 { 1742 .subvendor = 0x1019, 1743 .subdevice = 0x0a81, 1744 .name = "ECS K7VTA3", 1745 .type = AC97_TUNE_HP_ONLY 1746 }, 1747 { 1748 .subvendor = 0x1019, 1749 .subdevice = 0x0a85, 1750 .name = "ECS L7VMM2", 1751 .type = AC97_TUNE_HP_ONLY 1752 }, 1753 { 1754 .subvendor = 0x1019, 1755 .subdevice = 0x1841, 1756 .name = "ECS K7VTA3", 1757 .type = AC97_TUNE_HP_ONLY 1758 }, 1759 { 1760 .subvendor = 0x1849, 1761 .subdevice = 0x3059, 1762 .name = "ASRock K7VM2", 1763 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1764 }, 1765 { 1766 .subvendor = 0x14cd, 1767 .subdevice = 0x7002, 1768 .name = "Unknown", 1769 .type = AC97_TUNE_ALC_JACK 1770 }, 1771 { 1772 .subvendor = 0x1071, 1773 .subdevice = 0x8590, 1774 .name = "Mitac Mobo", 1775 .type = AC97_TUNE_ALC_JACK 1776 }, 1777 { 1778 .subvendor = 0x161f, 1779 .subdevice = 0x202b, 1780 .name = "Arima Notebook", 1781 .type = AC97_TUNE_HP_ONLY, 1782 }, 1783 { 1784 .subvendor = 0x161f, 1785 .subdevice = 0x2032, 1786 .name = "Targa Traveller 811", 1787 .type = AC97_TUNE_HP_ONLY, 1788 }, 1789 { 1790 .subvendor = 0x161f, 1791 .subdevice = 0x2032, 1792 .name = "m680x", 1793 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1794 }, 1795 { 1796 .subvendor = 0x1297, 1797 .subdevice = 0xa232, 1798 .name = "Shuttle AK32VN", 1799 .type = AC97_TUNE_HP_ONLY 1800 }, 1801 { } /* terminator */ 1802 }; 1803 1804 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1805 { 1806 struct snd_ac97_template ac97; 1807 int err; 1808 static struct snd_ac97_bus_ops ops = { 1809 .write = snd_via82xx_codec_write, 1810 .read = snd_via82xx_codec_read, 1811 .wait = snd_via82xx_codec_wait, 1812 }; 1813 1814 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1815 return err; 1816 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1817 chip->ac97_bus->clock = chip->ac97_clock; 1818 1819 memset(&ac97, 0, sizeof(ac97)); 1820 ac97.private_data = chip; 1821 ac97.private_free = snd_via82xx_mixer_free_ac97; 1822 ac97.pci = chip->pci; 1823 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1824 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1825 return err; 1826 1827 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1828 1829 if (chip->chip_type != TYPE_VIA686) { 1830 /* use slot 10/11 */ 1831 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1832 } 1833 1834 return 0; 1835 } 1836 1837 #ifdef SUPPORT_JOYSTICK 1838 #define JOYSTICK_ADDR 0x200 1839 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1840 { 1841 struct gameport *gp; 1842 struct resource *r; 1843 1844 if (!joystick) 1845 return -ENODEV; 1846 1847 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1848 if (!r) { 1849 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1850 JOYSTICK_ADDR); 1851 return -EBUSY; 1852 } 1853 1854 chip->gameport = gp = gameport_allocate_port(); 1855 if (!gp) { 1856 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1857 release_and_free_resource(r); 1858 return -ENOMEM; 1859 } 1860 1861 gameport_set_name(gp, "VIA686 Gameport"); 1862 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1863 gameport_set_dev_parent(gp, &chip->pci->dev); 1864 gp->io = JOYSTICK_ADDR; 1865 gameport_set_port_data(gp, r); 1866 1867 /* Enable legacy joystick port */ 1868 *legacy |= VIA_FUNC_ENABLE_GAME; 1869 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1870 1871 gameport_register_port(chip->gameport); 1872 1873 return 0; 1874 } 1875 1876 static void snd_via686_free_gameport(struct via82xx *chip) 1877 { 1878 if (chip->gameport) { 1879 struct resource *r = gameport_get_port_data(chip->gameport); 1880 1881 gameport_unregister_port(chip->gameport); 1882 chip->gameport = NULL; 1883 release_and_free_resource(r); 1884 } 1885 } 1886 #else 1887 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1888 { 1889 return -ENOSYS; 1890 } 1891 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1892 #endif 1893 1894 1895 /* 1896 * 1897 */ 1898 1899 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1900 { 1901 int i, err, caps; 1902 unsigned char val; 1903 1904 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1905 for (i = 0; i < caps; i++) { 1906 snd_via8233_capture_source.index = i; 1907 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1908 if (err < 0) 1909 return err; 1910 } 1911 if (ac97_can_spdif(chip->ac97)) { 1912 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1913 if (err < 0) 1914 return err; 1915 } 1916 if (chip->chip_type != TYPE_VIA8233A) { 1917 /* when no h/w PCM volume control is found, use DXS volume control 1918 * as the PCM vol control 1919 */ 1920 struct snd_ctl_elem_id sid; 1921 memset(&sid, 0, sizeof(sid)); 1922 strcpy(sid.name, "PCM Playback Volume"); 1923 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1924 if (! snd_ctl_find_id(chip->card, &sid)) { 1925 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1926 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1927 if (err < 0) 1928 return err; 1929 } 1930 else /* Using DXS when PCM emulation is enabled is really weird */ 1931 { 1932 /* Standalone DXS controls */ 1933 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs_volume_control, chip)); 1934 if (err < 0) 1935 return err; 1936 } 1937 } 1938 /* select spdif data slot 10/11 */ 1939 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1940 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 1941 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 1942 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1943 1944 return 0; 1945 } 1946 1947 static int __devinit snd_via686_init_misc(struct via82xx *chip) 1948 { 1949 unsigned char legacy, legacy_cfg; 1950 int rev_h = 0; 1951 1952 legacy = chip->old_legacy; 1953 legacy_cfg = chip->old_legacy_cfg; 1954 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 1955 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 1956 if (chip->revision >= VIA_REV_686_H) { 1957 rev_h = 1; 1958 if (mpu_port >= 0x200) { /* force MIDI */ 1959 mpu_port &= 0xfffc; 1960 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 1961 #ifdef CONFIG_PM 1962 chip->mpu_port_saved = mpu_port; 1963 #endif 1964 } else { 1965 mpu_port = pci_resource_start(chip->pci, 2); 1966 } 1967 } else { 1968 switch (mpu_port) { /* force MIDI */ 1969 case 0x300: 1970 case 0x310: 1971 case 0x320: 1972 case 0x330: 1973 legacy_cfg &= ~(3 << 2); 1974 legacy_cfg |= (mpu_port & 0x0030) >> 2; 1975 break; 1976 default: /* no, use BIOS settings */ 1977 if (legacy & VIA_FUNC_ENABLE_MIDI) 1978 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 1979 break; 1980 } 1981 } 1982 if (mpu_port >= 0x200 && 1983 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 1984 != NULL) { 1985 if (rev_h) 1986 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 1987 legacy |= VIA_FUNC_ENABLE_MIDI; 1988 } else { 1989 if (rev_h) 1990 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 1991 legacy &= ~VIA_FUNC_ENABLE_MIDI; 1992 mpu_port = 0; 1993 } 1994 1995 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 1996 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 1997 if (chip->mpu_res) { 1998 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 1999 mpu_port, MPU401_INFO_INTEGRATED, 2000 chip->irq, 0, &chip->rmidi) < 0) { 2001 printk(KERN_WARNING "unable to initialize MPU-401" 2002 " at 0x%lx, skipping\n", mpu_port); 2003 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2004 } else { 2005 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2006 } 2007 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2008 } 2009 2010 snd_via686_create_gameport(chip, &legacy); 2011 2012 #ifdef CONFIG_PM 2013 chip->legacy_saved = legacy; 2014 chip->legacy_cfg_saved = legacy_cfg; 2015 #endif 2016 2017 return 0; 2018 } 2019 2020 2021 /* 2022 * proc interface 2023 */ 2024 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2025 struct snd_info_buffer *buffer) 2026 { 2027 struct via82xx *chip = entry->private_data; 2028 int i; 2029 2030 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2031 for (i = 0; i < 0xa0; i += 4) { 2032 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2033 } 2034 } 2035 2036 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2037 { 2038 struct snd_info_entry *entry; 2039 2040 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2041 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2042 } 2043 2044 /* 2045 * 2046 */ 2047 2048 static int snd_via82xx_chip_init(struct via82xx *chip) 2049 { 2050 unsigned int val; 2051 unsigned long end_time; 2052 unsigned char pval; 2053 2054 #if 0 /* broken on K7M? */ 2055 if (chip->chip_type == TYPE_VIA686) 2056 /* disable all legacy ports */ 2057 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2058 #endif 2059 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2060 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2061 /* deassert ACLink reset, force SYNC */ 2062 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2063 VIA_ACLINK_CTRL_ENABLE | 2064 VIA_ACLINK_CTRL_RESET | 2065 VIA_ACLINK_CTRL_SYNC); 2066 udelay(100); 2067 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2068 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2069 udelay(100); 2070 #else 2071 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2072 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2073 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2074 udelay(2); 2075 #endif 2076 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2077 /* note - FM data out has trouble with non VRA codecs !! */ 2078 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2079 udelay(100); 2080 } 2081 2082 /* Make sure VRA is enabled, in case we didn't do a 2083 * complete codec reset, above */ 2084 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2085 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2086 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2087 /* note - FM data out has trouble with non VRA codecs !! */ 2088 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2089 udelay(100); 2090 } 2091 2092 /* wait until codec ready */ 2093 end_time = jiffies + msecs_to_jiffies(750); 2094 do { 2095 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2096 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2097 break; 2098 schedule_timeout_uninterruptible(1); 2099 } while (time_before(jiffies, end_time)); 2100 2101 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2102 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2103 2104 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2105 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2106 VIA_REG_AC97_SECONDARY_VALID | 2107 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2108 end_time = jiffies + msecs_to_jiffies(750); 2109 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2110 VIA_REG_AC97_SECONDARY_VALID | 2111 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2112 do { 2113 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2114 chip->ac97_secondary = 1; 2115 goto __ac97_ok2; 2116 } 2117 schedule_timeout_uninterruptible(1); 2118 } while (time_before(jiffies, end_time)); 2119 /* This is ok, the most of motherboards have only one codec */ 2120 2121 __ac97_ok2: 2122 #endif 2123 2124 if (chip->chip_type == TYPE_VIA686) { 2125 /* route FM trap to IRQ, disable FM trap */ 2126 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2127 /* disable all GPI interrupts */ 2128 outl(0, VIAREG(chip, GPI_INTR)); 2129 } 2130 2131 if (chip->chip_type != TYPE_VIA686) { 2132 /* Workaround for Award BIOS bug: 2133 * DXS channels don't work properly with VRA if MC97 is disabled. 2134 */ 2135 struct pci_dev *pci; 2136 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2137 if (pci) { 2138 unsigned char data; 2139 pci_read_config_byte(pci, 0x44, &data); 2140 pci_write_config_byte(pci, 0x44, data | 0x40); 2141 pci_dev_put(pci); 2142 } 2143 } 2144 2145 if (chip->chip_type != TYPE_VIA8233A) { 2146 int i, idx; 2147 for (idx = 0; idx < 4; idx++) { 2148 unsigned long port = chip->port + 0x10 * idx; 2149 for (i = 0; i < 2; i++) { 2150 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2151 outb(chip->playback_volume_c[i], 2152 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2153 } 2154 } 2155 } 2156 2157 return 0; 2158 } 2159 2160 #ifdef CONFIG_PM 2161 /* 2162 * power management 2163 */ 2164 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2165 { 2166 struct snd_card *card = pci_get_drvdata(pci); 2167 struct via82xx *chip = card->private_data; 2168 int i; 2169 2170 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2171 for (i = 0; i < 2; i++) 2172 snd_pcm_suspend_all(chip->pcms[i]); 2173 for (i = 0; i < chip->num_devs; i++) 2174 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2175 synchronize_irq(chip->irq); 2176 snd_ac97_suspend(chip->ac97); 2177 2178 /* save misc values */ 2179 if (chip->chip_type != TYPE_VIA686) { 2180 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2181 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2182 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2183 } 2184 2185 pci_disable_device(pci); 2186 pci_save_state(pci); 2187 pci_set_power_state(pci, pci_choose_state(pci, state)); 2188 return 0; 2189 } 2190 2191 static int snd_via82xx_resume(struct pci_dev *pci) 2192 { 2193 struct snd_card *card = pci_get_drvdata(pci); 2194 struct via82xx *chip = card->private_data; 2195 int i; 2196 2197 pci_set_power_state(pci, PCI_D0); 2198 pci_restore_state(pci); 2199 if (pci_enable_device(pci) < 0) { 2200 printk(KERN_ERR "via82xx: pci_enable_device failed, " 2201 "disabling device\n"); 2202 snd_card_disconnect(card); 2203 return -EIO; 2204 } 2205 pci_set_master(pci); 2206 2207 snd_via82xx_chip_init(chip); 2208 2209 if (chip->chip_type == TYPE_VIA686) { 2210 if (chip->mpu_port_saved) 2211 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2212 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2213 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2214 } else { 2215 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2216 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2217 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2218 } 2219 2220 snd_ac97_resume(chip->ac97); 2221 2222 for (i = 0; i < chip->num_devs; i++) 2223 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2224 2225 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2226 return 0; 2227 } 2228 #endif /* CONFIG_PM */ 2229 2230 static int snd_via82xx_free(struct via82xx *chip) 2231 { 2232 unsigned int i; 2233 2234 if (chip->irq < 0) 2235 goto __end_hw; 2236 /* disable interrupts */ 2237 for (i = 0; i < chip->num_devs; i++) 2238 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2239 2240 if (chip->irq >= 0) 2241 free_irq(chip->irq, chip); 2242 __end_hw: 2243 release_and_free_resource(chip->mpu_res); 2244 pci_release_regions(chip->pci); 2245 2246 if (chip->chip_type == TYPE_VIA686) { 2247 snd_via686_free_gameport(chip); 2248 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2249 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2250 } 2251 pci_disable_device(chip->pci); 2252 kfree(chip); 2253 return 0; 2254 } 2255 2256 static int snd_via82xx_dev_free(struct snd_device *device) 2257 { 2258 struct via82xx *chip = device->device_data; 2259 return snd_via82xx_free(chip); 2260 } 2261 2262 static int __devinit snd_via82xx_create(struct snd_card *card, 2263 struct pci_dev *pci, 2264 int chip_type, 2265 int revision, 2266 unsigned int ac97_clock, 2267 struct via82xx ** r_via) 2268 { 2269 struct via82xx *chip; 2270 int err; 2271 static struct snd_device_ops ops = { 2272 .dev_free = snd_via82xx_dev_free, 2273 }; 2274 2275 if ((err = pci_enable_device(pci)) < 0) 2276 return err; 2277 2278 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2279 pci_disable_device(pci); 2280 return -ENOMEM; 2281 } 2282 2283 chip->chip_type = chip_type; 2284 chip->revision = revision; 2285 2286 spin_lock_init(&chip->reg_lock); 2287 spin_lock_init(&chip->rates[0].lock); 2288 spin_lock_init(&chip->rates[1].lock); 2289 chip->card = card; 2290 chip->pci = pci; 2291 chip->irq = -1; 2292 2293 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2294 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2295 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2296 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2297 2298 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2299 kfree(chip); 2300 pci_disable_device(pci); 2301 return err; 2302 } 2303 chip->port = pci_resource_start(pci, 0); 2304 if (request_irq(pci->irq, 2305 chip_type == TYPE_VIA8233 ? 2306 snd_via8233_interrupt : snd_via686_interrupt, 2307 IRQF_SHARED, 2308 card->driver, chip)) { 2309 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2310 snd_via82xx_free(chip); 2311 return -EBUSY; 2312 } 2313 chip->irq = pci->irq; 2314 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2315 chip->ac97_clock = ac97_clock; 2316 synchronize_irq(chip->irq); 2317 2318 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2319 snd_via82xx_free(chip); 2320 return err; 2321 } 2322 2323 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2324 snd_via82xx_free(chip); 2325 return err; 2326 } 2327 2328 /* The 8233 ac97 controller does not implement the master bit 2329 * in the pci command register. IMHO this is a violation of the PCI spec. 2330 * We call pci_set_master here because it does not hurt. */ 2331 pci_set_master(pci); 2332 2333 snd_card_set_dev(card, &pci->dev); 2334 2335 *r_via = chip; 2336 return 0; 2337 } 2338 2339 struct via823x_info { 2340 int revision; 2341 char *name; 2342 int type; 2343 }; 2344 static struct via823x_info via823x_cards[] __devinitdata = { 2345 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2346 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2347 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2348 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2349 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2350 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2351 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2352 }; 2353 2354 /* 2355 * auto detection of DXS channel supports. 2356 */ 2357 2358 static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { 2359 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2360 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2361 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2362 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2363 SND_PCI_QUIRK(0x1019, 0, "ESC K8", VIA_DXS_SRC), 2364 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2365 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2366 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2367 SND_PCI_QUIRK(0x1043, 0, "ASUS A7/A8", VIA_DXS_NO_VRA), 2368 SND_PCI_QUIRK(0x1071, 0, "Diverse Notebook", VIA_DXS_NO_VRA), 2369 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2370 SND_PCI_QUIRK(0x1106, 0, "ASRock", VIA_DXS_SRC), 2371 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2372 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2373 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2374 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2375 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2376 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2377 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2378 SND_PCI_QUIRK(0x1462, 0, "MSI Mobo", VIA_DXS_SRC), 2379 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2380 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2381 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2382 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2383 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2384 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2385 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2386 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2387 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2388 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2389 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2390 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2391 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2392 SND_PCI_QUIRK(0x1695, 0, "EPoX mobo", VIA_DXS_SRC), 2393 SND_PCI_QUIRK(0x16f3, 0, "Jetway K8", VIA_DXS_SRC), 2394 SND_PCI_QUIRK(0x1734, 0, "FSC Laptop", VIA_DXS_SRC), 2395 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2396 SND_PCI_QUIRK(0x1849, 0, "ASRock mobo", VIA_DXS_SRC), 2397 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2398 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2399 { } /* terminator */ 2400 }; 2401 2402 static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2403 { 2404 const struct snd_pci_quirk *w; 2405 2406 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2407 if (w) { 2408 snd_printdd(KERN_INFO "via82xx: DXS white list for %s found\n", 2409 w->name); 2410 return w->value; 2411 } 2412 2413 /* for newer revision, default to DXS_SRC */ 2414 if (revision >= VIA_REV_8235) 2415 return VIA_DXS_SRC; 2416 2417 /* 2418 * not detected, try 48k rate only to be sure. 2419 */ 2420 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2421 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2422 printk(KERN_INFO " and report if it works on your machine.\n"); 2423 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2424 return VIA_DXS_48K; 2425 }; 2426 2427 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2428 const struct pci_device_id *pci_id) 2429 { 2430 struct snd_card *card; 2431 struct via82xx *chip; 2432 int chip_type = 0, card_type; 2433 unsigned int i; 2434 int err; 2435 2436 card = snd_card_new(index, id, THIS_MODULE, 0); 2437 if (card == NULL) 2438 return -ENOMEM; 2439 2440 card_type = pci_id->driver_data; 2441 switch (card_type) { 2442 case TYPE_CARD_VIA686: 2443 strcpy(card->driver, "VIA686A"); 2444 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2445 chip_type = TYPE_VIA686; 2446 break; 2447 case TYPE_CARD_VIA8233: 2448 chip_type = TYPE_VIA8233; 2449 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2450 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2451 if (pci->revision == via823x_cards[i].revision) { 2452 chip_type = via823x_cards[i].type; 2453 strcpy(card->shortname, via823x_cards[i].name); 2454 break; 2455 } 2456 } 2457 if (chip_type != TYPE_VIA8233A) { 2458 if (dxs_support == VIA_DXS_AUTO) 2459 dxs_support = check_dxs_list(pci, pci->revision); 2460 /* force to use VIA8233 or 8233A model according to 2461 * dxs_support module option 2462 */ 2463 if (dxs_support == VIA_DXS_DISABLE) 2464 chip_type = TYPE_VIA8233A; 2465 else 2466 chip_type = TYPE_VIA8233; 2467 } 2468 if (chip_type == TYPE_VIA8233A) 2469 strcpy(card->driver, "VIA8233A"); 2470 else if (pci->revision >= VIA_REV_8237) 2471 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2472 else 2473 strcpy(card->driver, "VIA8233"); 2474 break; 2475 default: 2476 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2477 err = -EINVAL; 2478 goto __error; 2479 } 2480 2481 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2482 ac97_clock, &chip)) < 0) 2483 goto __error; 2484 card->private_data = chip; 2485 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2486 goto __error; 2487 2488 if (chip_type == TYPE_VIA686) { 2489 if ((err = snd_via686_pcm_new(chip)) < 0 || 2490 (err = snd_via686_init_misc(chip)) < 0) 2491 goto __error; 2492 } else { 2493 if (chip_type == TYPE_VIA8233A) { 2494 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2495 goto __error; 2496 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2497 } else { 2498 if ((err = snd_via8233_pcm_new(chip)) < 0) 2499 goto __error; 2500 if (dxs_support == VIA_DXS_48K) 2501 chip->dxs_fixed = 1; 2502 else if (dxs_support == VIA_DXS_NO_VRA) 2503 chip->no_vra = 1; 2504 else if (dxs_support == VIA_DXS_SRC) { 2505 chip->no_vra = 1; 2506 chip->dxs_src = 1; 2507 } 2508 } 2509 if ((err = snd_via8233_init_misc(chip)) < 0) 2510 goto __error; 2511 } 2512 2513 /* disable interrupts */ 2514 for (i = 0; i < chip->num_devs; i++) 2515 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2516 2517 snprintf(card->longname, sizeof(card->longname), 2518 "%s with %s at %#lx, irq %d", card->shortname, 2519 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2520 2521 snd_via82xx_proc_init(chip); 2522 2523 if ((err = snd_card_register(card)) < 0) { 2524 snd_card_free(card); 2525 return err; 2526 } 2527 pci_set_drvdata(pci, card); 2528 return 0; 2529 2530 __error: 2531 snd_card_free(card); 2532 return err; 2533 } 2534 2535 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2536 { 2537 snd_card_free(pci_get_drvdata(pci)); 2538 pci_set_drvdata(pci, NULL); 2539 } 2540 2541 static struct pci_driver driver = { 2542 .name = "VIA 82xx Audio", 2543 .id_table = snd_via82xx_ids, 2544 .probe = snd_via82xx_probe, 2545 .remove = __devexit_p(snd_via82xx_remove), 2546 #ifdef CONFIG_PM 2547 .suspend = snd_via82xx_suspend, 2548 .resume = snd_via82xx_resume, 2549 #endif 2550 }; 2551 2552 static int __init alsa_card_via82xx_init(void) 2553 { 2554 return pci_register_driver(&driver); 2555 } 2556 2557 static void __exit alsa_card_via82xx_exit(void) 2558 { 2559 pci_unregister_driver(&driver); 2560 } 2561 2562 module_init(alsa_card_via82xx_init) 2563 module_exit(alsa_card_via82xx_exit) 2564