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/module.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 bool joystick; 84 #endif 85 static int ac97_clock = 48000; 86 static char *ac97_quirk; 87 static int dxs_support; 88 static int dxs_init_volume = 31; 89 static int nodelay; 90 91 module_param(index, int, 0444); 92 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 93 module_param(id, charp, 0444); 94 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 95 module_param(mpu_port, long, 0444); 96 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 97 #ifdef SUPPORT_JOYSTICK 98 module_param(joystick, bool, 0444); 99 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 100 #endif 101 module_param(ac97_clock, int, 0444); 102 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 103 module_param(ac97_quirk, charp, 0444); 104 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 105 module_param(dxs_support, int, 0444); 106 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)"); 107 module_param(dxs_init_volume, int, 0644); 108 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 109 module_param(nodelay, int, 0444); 110 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 111 112 /* just for backward compatibility */ 113 static bool enable; 114 module_param(enable, bool, 0444); 115 116 117 /* revision numbers for via686 */ 118 #define VIA_REV_686_A 0x10 119 #define VIA_REV_686_B 0x11 120 #define VIA_REV_686_C 0x12 121 #define VIA_REV_686_D 0x13 122 #define VIA_REV_686_E 0x14 123 #define VIA_REV_686_H 0x20 124 125 /* revision numbers for via8233 */ 126 #define VIA_REV_PRE_8233 0x10 /* not in market */ 127 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 128 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 129 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 130 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 131 #define VIA_REV_8237 0x60 132 #define VIA_REV_8251 0x70 133 134 /* 135 * Direct registers 136 */ 137 138 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 139 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 140 141 /* common offsets */ 142 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 143 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 144 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 145 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 146 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 147 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 148 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 149 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 150 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 151 #define VIA_REG_CTRL_START 0x80 /* WO */ 152 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 153 #define VIA_REG_CTRL_AUTOSTART 0x20 154 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 155 #define VIA_REG_CTRL_INT_STOP 0x04 156 #define VIA_REG_CTRL_INT_EOL 0x02 157 #define VIA_REG_CTRL_INT_FLAG 0x01 158 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 159 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 160 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 161 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 162 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 163 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 164 #define VIA_REG_TYPE_INT_LLINE 0x00 165 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 166 #define VIA_REG_TYPE_INT_LESSONE 0x08 167 #define VIA_REG_TYPE_INT_MASK 0x0c 168 #define VIA_REG_TYPE_INT_EOL 0x02 169 #define VIA_REG_TYPE_INT_FLAG 0x01 170 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 171 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 172 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 173 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 174 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 175 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 176 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 177 178 #define DEFINE_VIA_REGSET(name,val) \ 179 enum {\ 180 VIA_REG_##name##_STATUS = (val),\ 181 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 182 VIA_REG_##name##_TYPE = (val) + 0x02,\ 183 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 184 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 185 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 186 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 187 } 188 189 /* playback block */ 190 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 191 DEFINE_VIA_REGSET(CAPTURE, 0x10); 192 DEFINE_VIA_REGSET(FM, 0x20); 193 194 /* AC'97 */ 195 #define VIA_REG_AC97 0x80 /* dword */ 196 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 197 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 198 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 199 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 200 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 201 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 202 #define VIA_REG_AC97_BUSY (1<<24) 203 #define VIA_REG_AC97_READ (1<<23) 204 #define VIA_REG_AC97_CMD_SHIFT 16 205 #define VIA_REG_AC97_CMD_MASK 0x7e 206 #define VIA_REG_AC97_DATA_SHIFT 0 207 #define VIA_REG_AC97_DATA_MASK 0xffff 208 209 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 210 /* via686 */ 211 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 212 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 213 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 214 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 215 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 216 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 217 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 218 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 219 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 220 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 221 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 222 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 223 /* via8233 */ 224 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 225 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 226 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 227 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 228 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 229 #define VIA8233_REG_SGD_CHAN_SDX 0 230 #define VIA8233_REG_SGD_CHAN_MULTI 4 231 #define VIA8233_REG_SGD_CHAN_REC 6 232 #define VIA8233_REG_SGD_CHAN_REC1 7 233 234 #define VIA_REG_GPI_STATUS 0x88 235 #define VIA_REG_GPI_INTR 0x8c 236 237 /* multi-channel and capture registers for via8233 */ 238 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 239 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 240 241 /* via8233-specific registers */ 242 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 243 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 244 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 245 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 246 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 247 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 248 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 249 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 250 251 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 252 253 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 254 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 255 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 256 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 257 258 #define VIA_TBL_BIT_FLAG 0x40000000 259 #define VIA_TBL_BIT_EOL 0x80000000 260 261 /* pci space */ 262 #define VIA_ACLINK_STAT 0x40 263 #define VIA_ACLINK_C11_READY 0x20 264 #define VIA_ACLINK_C10_READY 0x10 265 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 266 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 267 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 268 #define VIA_ACLINK_CTRL 0x41 269 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 270 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 271 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 272 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 273 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 274 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 275 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 276 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 277 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 278 VIA_ACLINK_CTRL_RESET|\ 279 VIA_ACLINK_CTRL_PCM|\ 280 VIA_ACLINK_CTRL_VRA) 281 #define VIA_FUNC_ENABLE 0x42 282 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 283 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 284 #define VIA_FUNC_RX2C_WRITE 0x20 285 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 286 #define VIA_FUNC_ENABLE_GAME 0x08 287 #define VIA_FUNC_ENABLE_FM 0x04 288 #define VIA_FUNC_ENABLE_MIDI 0x02 289 #define VIA_FUNC_ENABLE_SB 0x01 290 #define VIA_PNP_CONTROL 0x43 291 #define VIA_FM_NMI_CTRL 0x48 292 #define VIA8233_VOLCHG_CTRL 0x48 293 #define VIA8233_SPDIF_CTRL 0x49 294 #define VIA8233_SPDIF_DX3 0x08 295 #define VIA8233_SPDIF_SLOT_MASK 0x03 296 #define VIA8233_SPDIF_SLOT_1011 0x00 297 #define VIA8233_SPDIF_SLOT_34 0x01 298 #define VIA8233_SPDIF_SLOT_78 0x02 299 #define VIA8233_SPDIF_SLOT_69 0x03 300 301 /* 302 */ 303 304 #define VIA_DXS_AUTO 0 305 #define VIA_DXS_ENABLE 1 306 #define VIA_DXS_DISABLE 2 307 #define VIA_DXS_48K 3 308 #define VIA_DXS_NO_VRA 4 309 #define VIA_DXS_SRC 5 310 311 312 /* 313 * pcm stream 314 */ 315 316 struct snd_via_sg_table { 317 unsigned int offset; 318 unsigned int size; 319 } ; 320 321 #define VIA_TABLE_SIZE 255 322 #define VIA_MAX_BUFSIZE (1<<24) 323 324 struct viadev { 325 unsigned int reg_offset; 326 unsigned long port; 327 int direction; /* playback = 0, capture = 1 */ 328 struct snd_pcm_substream *substream; 329 int running; 330 unsigned int tbl_entries; /* # descriptors */ 331 struct snd_dma_buffer table; 332 struct snd_via_sg_table *idx_table; 333 /* for recovery from the unexpected pointer */ 334 unsigned int lastpos; 335 unsigned int fragsize; 336 unsigned int bufsize; 337 unsigned int bufsize2; 338 int hwptr_done; /* processed frame position in the buffer */ 339 int in_interrupt; 340 int shadow_shift; 341 }; 342 343 344 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 345 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 346 347 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 348 349 struct via_rate_lock { 350 spinlock_t lock; 351 int rate; 352 int used; 353 }; 354 355 struct via82xx { 356 int irq; 357 358 unsigned long port; 359 struct resource *mpu_res; 360 int chip_type; 361 unsigned char revision; 362 363 unsigned char old_legacy; 364 unsigned char old_legacy_cfg; 365 #ifdef CONFIG_PM 366 unsigned char legacy_saved; 367 unsigned char legacy_cfg_saved; 368 unsigned char spdif_ctrl_saved; 369 unsigned char capture_src_saved[2]; 370 unsigned int mpu_port_saved; 371 #endif 372 373 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 374 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 375 376 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 377 378 struct pci_dev *pci; 379 struct snd_card *card; 380 381 unsigned int num_devs; 382 unsigned int playback_devno, multi_devno, capture_devno; 383 struct viadev devs[VIA_MAX_DEVS]; 384 struct via_rate_lock rates[2]; /* playback and capture */ 385 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 386 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 387 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 388 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 389 390 struct snd_pcm *pcms[2]; 391 struct snd_rawmidi *rmidi; 392 struct snd_kcontrol *dxs_controls[4]; 393 394 struct snd_ac97_bus *ac97_bus; 395 struct snd_ac97 *ac97; 396 unsigned int ac97_clock; 397 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 398 399 spinlock_t reg_lock; 400 struct snd_info_entry *proc_entry; 401 402 #ifdef SUPPORT_JOYSTICK 403 struct gameport *gameport; 404 #endif 405 }; 406 407 static DEFINE_PCI_DEVICE_TABLE(snd_via82xx_ids) = { 408 /* 0x1106, 0x3058 */ 409 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 410 /* 0x1106, 0x3059 */ 411 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 412 { 0, } 413 }; 414 415 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 416 417 /* 418 */ 419 420 /* 421 * allocate and initialize the descriptor buffers 422 * periods = number of periods 423 * fragsize = period size in bytes 424 */ 425 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 426 struct pci_dev *pci, 427 unsigned int periods, unsigned int fragsize) 428 { 429 unsigned int i, idx, ofs, rest; 430 struct via82xx *chip = snd_pcm_substream_chip(substream); 431 432 if (dev->table.area == NULL) { 433 /* the start of each lists must be aligned to 8 bytes, 434 * but the kernel pages are much bigger, so we don't care 435 */ 436 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci), 437 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 438 &dev->table) < 0) 439 return -ENOMEM; 440 } 441 if (! dev->idx_table) { 442 dev->idx_table = kmalloc(sizeof(*dev->idx_table) * VIA_TABLE_SIZE, GFP_KERNEL); 443 if (! dev->idx_table) 444 return -ENOMEM; 445 } 446 447 /* fill the entries */ 448 idx = 0; 449 ofs = 0; 450 for (i = 0; i < periods; i++) { 451 rest = fragsize; 452 /* fill descriptors for a period. 453 * a period can be split to several descriptors if it's 454 * over page boundary. 455 */ 456 do { 457 unsigned int r; 458 unsigned int flag; 459 unsigned int addr; 460 461 if (idx >= VIA_TABLE_SIZE) { 462 snd_printk(KERN_ERR "via82xx: too much table size!\n"); 463 return -EINVAL; 464 } 465 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 466 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 467 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 468 rest -= r; 469 if (! rest) { 470 if (i == periods - 1) 471 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 472 else 473 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 474 } else 475 flag = 0; /* period continues to the next */ 476 /* 477 printk(KERN_DEBUG "via: tbl %d: at %d size %d " 478 "(rest %d)\n", idx, ofs, r, rest); 479 */ 480 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 481 dev->idx_table[idx].offset = ofs; 482 dev->idx_table[idx].size = r; 483 ofs += r; 484 idx++; 485 } while (rest > 0); 486 } 487 dev->tbl_entries = idx; 488 dev->bufsize = periods * fragsize; 489 dev->bufsize2 = dev->bufsize / 2; 490 dev->fragsize = fragsize; 491 return 0; 492 } 493 494 495 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 496 struct pci_dev *pci) 497 { 498 if (dev->table.area) { 499 snd_dma_free_pages(&dev->table); 500 dev->table.area = NULL; 501 } 502 kfree(dev->idx_table); 503 dev->idx_table = NULL; 504 return 0; 505 } 506 507 /* 508 * Basic I/O 509 */ 510 511 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 512 { 513 return inl(VIAREG(chip, AC97)); 514 } 515 516 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 517 { 518 outl(val, VIAREG(chip, AC97)); 519 } 520 521 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 522 { 523 unsigned int timeout = 1000; /* 1ms */ 524 unsigned int val; 525 526 while (timeout-- > 0) { 527 udelay(1); 528 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 529 return val & 0xffff; 530 } 531 snd_printk(KERN_ERR "codec_ready: codec %i is not ready [0x%x]\n", 532 secondary, snd_via82xx_codec_xread(chip)); 533 return -EIO; 534 } 535 536 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 537 { 538 unsigned int timeout = 1000; /* 1ms */ 539 unsigned int val, val1; 540 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 541 VIA_REG_AC97_SECONDARY_VALID; 542 543 while (timeout-- > 0) { 544 val = snd_via82xx_codec_xread(chip); 545 val1 = val & (VIA_REG_AC97_BUSY | stat); 546 if (val1 == stat) 547 return val & 0xffff; 548 udelay(1); 549 } 550 return -EIO; 551 } 552 553 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 554 { 555 struct via82xx *chip = ac97->private_data; 556 int err; 557 err = snd_via82xx_codec_ready(chip, ac97->num); 558 /* here we need to wait fairly for long time.. */ 559 if (!nodelay) 560 msleep(500); 561 } 562 563 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 564 unsigned short reg, 565 unsigned short val) 566 { 567 struct via82xx *chip = ac97->private_data; 568 unsigned int xval; 569 570 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 571 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 572 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 573 xval |= val << VIA_REG_AC97_DATA_SHIFT; 574 snd_via82xx_codec_xwrite(chip, xval); 575 snd_via82xx_codec_ready(chip, ac97->num); 576 } 577 578 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 579 { 580 struct via82xx *chip = ac97->private_data; 581 unsigned int xval, val = 0xffff; 582 int again = 0; 583 584 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 585 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 586 xval |= VIA_REG_AC97_READ; 587 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 588 while (1) { 589 if (again++ > 3) { 590 snd_printk(KERN_ERR "codec_read: codec %i is not valid [0x%x]\n", 591 ac97->num, snd_via82xx_codec_xread(chip)); 592 return 0xffff; 593 } 594 snd_via82xx_codec_xwrite(chip, xval); 595 udelay (20); 596 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 597 udelay(25); 598 val = snd_via82xx_codec_xread(chip); 599 break; 600 } 601 } 602 return val & 0xffff; 603 } 604 605 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 606 { 607 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 608 VIADEV_REG(viadev, OFFSET_CONTROL)); 609 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 610 udelay(50); 611 /* disable interrupts */ 612 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 613 /* clear interrupts */ 614 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 615 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 616 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 617 viadev->lastpos = 0; 618 viadev->hwptr_done = 0; 619 } 620 621 622 /* 623 * Interrupt handler 624 * Used for 686 and 8233A 625 */ 626 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 627 { 628 struct via82xx *chip = dev_id; 629 unsigned int status; 630 unsigned int i; 631 632 status = inl(VIAREG(chip, SGD_SHADOW)); 633 if (! (status & chip->intr_mask)) { 634 if (chip->rmidi) 635 /* check mpu401 interrupt */ 636 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 637 return IRQ_NONE; 638 } 639 640 /* check status for each stream */ 641 spin_lock(&chip->reg_lock); 642 for (i = 0; i < chip->num_devs; i++) { 643 struct viadev *viadev = &chip->devs[i]; 644 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 645 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 646 continue; 647 if (viadev->substream && viadev->running) { 648 /* 649 * Update hwptr_done based on 'period elapsed' 650 * interrupts. We'll use it, when the chip returns 0 651 * for OFFSET_CURR_COUNT. 652 */ 653 if (c_status & VIA_REG_STAT_EOL) 654 viadev->hwptr_done = 0; 655 else 656 viadev->hwptr_done += viadev->fragsize; 657 viadev->in_interrupt = c_status; 658 spin_unlock(&chip->reg_lock); 659 snd_pcm_period_elapsed(viadev->substream); 660 spin_lock(&chip->reg_lock); 661 viadev->in_interrupt = 0; 662 } 663 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 664 } 665 spin_unlock(&chip->reg_lock); 666 return IRQ_HANDLED; 667 } 668 669 /* 670 * Interrupt handler 671 */ 672 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 673 { 674 struct via82xx *chip = dev_id; 675 unsigned int status; 676 unsigned int i; 677 int irqreturn = 0; 678 679 /* check status for each stream */ 680 spin_lock(&chip->reg_lock); 681 status = inl(VIAREG(chip, SGD_SHADOW)); 682 683 for (i = 0; i < chip->num_devs; i++) { 684 struct viadev *viadev = &chip->devs[i]; 685 struct snd_pcm_substream *substream; 686 unsigned char c_status, shadow_status; 687 688 shadow_status = (status >> viadev->shadow_shift) & 689 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 690 VIA_REG_STAT_FLAG); 691 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 692 if (!c_status) 693 continue; 694 695 substream = viadev->substream; 696 if (substream && viadev->running) { 697 /* 698 * Update hwptr_done based on 'period elapsed' 699 * interrupts. We'll use it, when the chip returns 0 700 * for OFFSET_CURR_COUNT. 701 */ 702 if (c_status & VIA_REG_STAT_EOL) 703 viadev->hwptr_done = 0; 704 else 705 viadev->hwptr_done += viadev->fragsize; 706 viadev->in_interrupt = c_status; 707 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 708 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 709 spin_unlock(&chip->reg_lock); 710 711 snd_pcm_period_elapsed(substream); 712 713 spin_lock(&chip->reg_lock); 714 viadev->in_interrupt = 0; 715 } 716 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 717 irqreturn = 1; 718 } 719 spin_unlock(&chip->reg_lock); 720 return IRQ_RETVAL(irqreturn); 721 } 722 723 /* 724 * PCM callbacks 725 */ 726 727 /* 728 * trigger callback 729 */ 730 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 731 { 732 struct via82xx *chip = snd_pcm_substream_chip(substream); 733 struct viadev *viadev = substream->runtime->private_data; 734 unsigned char val; 735 736 if (chip->chip_type != TYPE_VIA686) 737 val = VIA_REG_CTRL_INT; 738 else 739 val = 0; 740 switch (cmd) { 741 case SNDRV_PCM_TRIGGER_START: 742 case SNDRV_PCM_TRIGGER_RESUME: 743 val |= VIA_REG_CTRL_START; 744 viadev->running = 1; 745 break; 746 case SNDRV_PCM_TRIGGER_STOP: 747 case SNDRV_PCM_TRIGGER_SUSPEND: 748 val = VIA_REG_CTRL_TERMINATE; 749 viadev->running = 0; 750 break; 751 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 752 val |= VIA_REG_CTRL_PAUSE; 753 viadev->running = 0; 754 break; 755 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 756 viadev->running = 1; 757 break; 758 default: 759 return -EINVAL; 760 } 761 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 762 if (cmd == SNDRV_PCM_TRIGGER_STOP) 763 snd_via82xx_channel_reset(chip, viadev); 764 return 0; 765 } 766 767 768 /* 769 * pointer callbacks 770 */ 771 772 /* 773 * calculate the linear position at the given sg-buffer index and the rest count 774 */ 775 776 #define check_invalid_pos(viadev,pos) \ 777 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 778 viadev->lastpos < viadev->bufsize2)) 779 780 static inline unsigned int calc_linear_pos(struct viadev *viadev, unsigned int idx, 781 unsigned int count) 782 { 783 unsigned int size, base, res; 784 785 size = viadev->idx_table[idx].size; 786 base = viadev->idx_table[idx].offset; 787 res = base + size - count; 788 if (res >= viadev->bufsize) 789 res -= viadev->bufsize; 790 791 /* check the validity of the calculated position */ 792 if (size < count) { 793 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 794 (int)size, (int)count); 795 res = viadev->lastpos; 796 } else { 797 if (! count) { 798 /* Some mobos report count = 0 on the DMA boundary, 799 * i.e. count = size indeed. 800 * Let's check whether this step is above the expected size. 801 */ 802 int delta = res - viadev->lastpos; 803 if (delta < 0) 804 delta += viadev->bufsize; 805 if ((unsigned int)delta > viadev->fragsize) 806 res = base; 807 } 808 if (check_invalid_pos(viadev, res)) { 809 #ifdef POINTER_DEBUG 810 printk(KERN_DEBUG "fail: idx = %i/%i, lastpos = 0x%x, " 811 "bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, " 812 "count = 0x%x\n", idx, viadev->tbl_entries, 813 viadev->lastpos, viadev->bufsize2, 814 viadev->idx_table[idx].offset, 815 viadev->idx_table[idx].size, count); 816 #endif 817 /* count register returns full size when end of buffer is reached */ 818 res = base + size; 819 if (check_invalid_pos(viadev, res)) { 820 snd_printd(KERN_ERR "invalid via82xx_cur_ptr (2), " 821 "using last valid pointer\n"); 822 res = viadev->lastpos; 823 } 824 } 825 } 826 return res; 827 } 828 829 /* 830 * get the current pointer on via686 831 */ 832 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 833 { 834 struct via82xx *chip = snd_pcm_substream_chip(substream); 835 struct viadev *viadev = substream->runtime->private_data; 836 unsigned int idx, ptr, count, res; 837 838 if (snd_BUG_ON(!viadev->tbl_entries)) 839 return 0; 840 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 841 return 0; 842 843 spin_lock(&chip->reg_lock); 844 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 845 /* The via686a does not have the current index register, 846 * so we need to calculate the index from CURR_PTR. 847 */ 848 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 849 if (ptr <= (unsigned int)viadev->table.addr) 850 idx = 0; 851 else /* CURR_PTR holds the address + 8 */ 852 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 853 res = calc_linear_pos(viadev, idx, count); 854 viadev->lastpos = res; /* remember the last position */ 855 spin_unlock(&chip->reg_lock); 856 857 return bytes_to_frames(substream->runtime, res); 858 } 859 860 /* 861 * get the current pointer on via823x 862 */ 863 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 864 { 865 struct via82xx *chip = snd_pcm_substream_chip(substream); 866 struct viadev *viadev = substream->runtime->private_data; 867 unsigned int idx, count, res; 868 int status; 869 870 if (snd_BUG_ON(!viadev->tbl_entries)) 871 return 0; 872 873 spin_lock(&chip->reg_lock); 874 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 875 status = viadev->in_interrupt; 876 if (!status) 877 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 878 879 /* An apparent bug in the 8251 is worked around by sending a 880 * REG_CTRL_START. */ 881 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 882 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 883 884 if (!(status & VIA_REG_STAT_ACTIVE)) { 885 res = 0; 886 goto unlock; 887 } 888 if (count & 0xffffff) { 889 idx = count >> 24; 890 if (idx >= viadev->tbl_entries) { 891 #ifdef POINTER_DEBUG 892 printk(KERN_DEBUG "fail: invalid idx = %i/%i\n", idx, 893 viadev->tbl_entries); 894 #endif 895 res = viadev->lastpos; 896 } else { 897 count &= 0xffffff; 898 res = calc_linear_pos(viadev, idx, count); 899 } 900 } else { 901 res = viadev->hwptr_done; 902 if (!viadev->in_interrupt) { 903 if (status & VIA_REG_STAT_EOL) { 904 res = 0; 905 } else 906 if (status & VIA_REG_STAT_FLAG) { 907 res += viadev->fragsize; 908 } 909 } 910 } 911 unlock: 912 viadev->lastpos = res; 913 spin_unlock(&chip->reg_lock); 914 915 return bytes_to_frames(substream->runtime, res); 916 } 917 918 919 /* 920 * hw_params callback: 921 * allocate the buffer and build up the buffer description table 922 */ 923 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 924 struct snd_pcm_hw_params *hw_params) 925 { 926 struct via82xx *chip = snd_pcm_substream_chip(substream); 927 struct viadev *viadev = substream->runtime->private_data; 928 int err; 929 930 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); 931 if (err < 0) 932 return err; 933 err = build_via_table(viadev, substream, chip->pci, 934 params_periods(hw_params), 935 params_period_bytes(hw_params)); 936 if (err < 0) 937 return err; 938 939 return 0; 940 } 941 942 /* 943 * hw_free callback: 944 * clean up the buffer description table and release the buffer 945 */ 946 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 947 { 948 struct via82xx *chip = snd_pcm_substream_chip(substream); 949 struct viadev *viadev = substream->runtime->private_data; 950 951 clean_via_table(viadev, substream, chip->pci); 952 snd_pcm_lib_free_pages(substream); 953 return 0; 954 } 955 956 957 /* 958 * set up the table pointer 959 */ 960 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 961 { 962 snd_via82xx_codec_ready(chip, 0); 963 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 964 udelay(20); 965 snd_via82xx_codec_ready(chip, 0); 966 } 967 968 /* 969 * prepare callback for playback and capture on via686 970 */ 971 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 972 struct snd_pcm_runtime *runtime) 973 { 974 snd_via82xx_channel_reset(chip, viadev); 975 /* this must be set after channel_reset */ 976 snd_via82xx_set_table_ptr(chip, viadev); 977 outb(VIA_REG_TYPE_AUTOSTART | 978 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 979 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 980 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 981 VIA_REG_TYPE_INT_EOL | 982 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 983 } 984 985 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 986 { 987 struct via82xx *chip = snd_pcm_substream_chip(substream); 988 struct viadev *viadev = substream->runtime->private_data; 989 struct snd_pcm_runtime *runtime = substream->runtime; 990 991 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 992 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 993 via686_setup_format(chip, viadev, runtime); 994 return 0; 995 } 996 997 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 998 { 999 struct via82xx *chip = snd_pcm_substream_chip(substream); 1000 struct viadev *viadev = substream->runtime->private_data; 1001 struct snd_pcm_runtime *runtime = substream->runtime; 1002 1003 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1004 via686_setup_format(chip, viadev, runtime); 1005 return 0; 1006 } 1007 1008 /* 1009 * lock the current rate 1010 */ 1011 static int via_lock_rate(struct via_rate_lock *rec, int rate) 1012 { 1013 int changed = 0; 1014 1015 spin_lock_irq(&rec->lock); 1016 if (rec->rate != rate) { 1017 if (rec->rate && rec->used > 1) /* already set */ 1018 changed = -EINVAL; 1019 else { 1020 rec->rate = rate; 1021 changed = 1; 1022 } 1023 } 1024 spin_unlock_irq(&rec->lock); 1025 return changed; 1026 } 1027 1028 /* 1029 * prepare callback for DSX playback on via823x 1030 */ 1031 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1032 { 1033 struct via82xx *chip = snd_pcm_substream_chip(substream); 1034 struct viadev *viadev = substream->runtime->private_data; 1035 struct snd_pcm_runtime *runtime = substream->runtime; 1036 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1037 int rate_changed; 1038 u32 rbits; 1039 1040 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1041 return rate_changed; 1042 if (rate_changed) 1043 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1044 chip->no_vra ? 48000 : runtime->rate); 1045 if (chip->spdif_on && viadev->reg_offset == 0x30) 1046 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1047 1048 if (runtime->rate == 48000) 1049 rbits = 0xfffff; 1050 else 1051 rbits = (0x100000 / 48000) * runtime->rate + 1052 ((0x100000 % 48000) * runtime->rate) / 48000; 1053 snd_BUG_ON(rbits & ~0xfffff); 1054 snd_via82xx_channel_reset(chip, viadev); 1055 snd_via82xx_set_table_ptr(chip, viadev); 1056 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1057 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1058 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1059 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1060 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1061 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1062 rbits | /* rate */ 1063 0xff000000, /* STOP index is never reached */ 1064 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1065 udelay(20); 1066 snd_via82xx_codec_ready(chip, 0); 1067 return 0; 1068 } 1069 1070 /* 1071 * prepare callback for multi-channel playback on via823x 1072 */ 1073 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1074 { 1075 struct via82xx *chip = snd_pcm_substream_chip(substream); 1076 struct viadev *viadev = substream->runtime->private_data; 1077 struct snd_pcm_runtime *runtime = substream->runtime; 1078 unsigned int slots; 1079 int fmt; 1080 1081 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1082 return -EINVAL; 1083 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1084 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1085 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1086 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1087 snd_via82xx_channel_reset(chip, viadev); 1088 snd_via82xx_set_table_ptr(chip, viadev); 1089 1090 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1091 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1092 fmt |= runtime->channels << 4; 1093 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1094 #if 0 1095 if (chip->revision == VIA_REV_8233A) 1096 slots = 0; 1097 else 1098 #endif 1099 { 1100 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1101 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1102 switch (runtime->channels) { 1103 case 1: slots = (1<<0) | (1<<4); break; 1104 case 2: slots = (1<<0) | (2<<4); break; 1105 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1106 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1107 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1108 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1109 default: slots = 0; break; 1110 } 1111 } 1112 /* STOP index is never reached */ 1113 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1114 udelay(20); 1115 snd_via82xx_codec_ready(chip, 0); 1116 return 0; 1117 } 1118 1119 /* 1120 * prepare callback for capture on via823x 1121 */ 1122 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1123 { 1124 struct via82xx *chip = snd_pcm_substream_chip(substream); 1125 struct viadev *viadev = substream->runtime->private_data; 1126 struct snd_pcm_runtime *runtime = substream->runtime; 1127 1128 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1129 return -EINVAL; 1130 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1131 snd_via82xx_channel_reset(chip, viadev); 1132 snd_via82xx_set_table_ptr(chip, viadev); 1133 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1134 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1135 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1136 0xff000000, /* STOP index is never reached */ 1137 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1138 udelay(20); 1139 snd_via82xx_codec_ready(chip, 0); 1140 return 0; 1141 } 1142 1143 1144 /* 1145 * pcm hardware definition, identical for both playback and capture 1146 */ 1147 static struct snd_pcm_hardware snd_via82xx_hw = 1148 { 1149 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1150 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1151 SNDRV_PCM_INFO_MMAP_VALID | 1152 /* SNDRV_PCM_INFO_RESUME | */ 1153 SNDRV_PCM_INFO_PAUSE), 1154 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1155 .rates = SNDRV_PCM_RATE_48000, 1156 .rate_min = 48000, 1157 .rate_max = 48000, 1158 .channels_min = 1, 1159 .channels_max = 2, 1160 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1161 .period_bytes_min = 32, 1162 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1163 .periods_min = 2, 1164 .periods_max = VIA_TABLE_SIZE / 2, 1165 .fifo_size = 0, 1166 }; 1167 1168 1169 /* 1170 * open callback skeleton 1171 */ 1172 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1173 struct snd_pcm_substream *substream) 1174 { 1175 struct snd_pcm_runtime *runtime = substream->runtime; 1176 int err; 1177 struct via_rate_lock *ratep; 1178 bool use_src = false; 1179 1180 runtime->hw = snd_via82xx_hw; 1181 1182 /* set the hw rate condition */ 1183 ratep = &chip->rates[viadev->direction]; 1184 spin_lock_irq(&ratep->lock); 1185 ratep->used++; 1186 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1187 /* DXS#3 and spdif is on */ 1188 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1189 snd_pcm_limit_hw_rates(runtime); 1190 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1191 /* fixed DXS playback rate */ 1192 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1193 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1194 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1195 /* use full SRC capabilities of DXS */ 1196 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1197 SNDRV_PCM_RATE_8000_48000); 1198 runtime->hw.rate_min = 8000; 1199 runtime->hw.rate_max = 48000; 1200 use_src = true; 1201 } else if (! ratep->rate) { 1202 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1203 runtime->hw.rates = chip->ac97->rates[idx]; 1204 snd_pcm_limit_hw_rates(runtime); 1205 } else { 1206 /* a fixed rate */ 1207 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1208 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1209 } 1210 spin_unlock_irq(&ratep->lock); 1211 1212 /* we may remove following constaint when we modify table entries 1213 in interrupt */ 1214 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1215 return err; 1216 1217 if (use_src) { 1218 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1219 if (err < 0) 1220 return err; 1221 } 1222 1223 runtime->private_data = viadev; 1224 viadev->substream = substream; 1225 1226 return 0; 1227 } 1228 1229 1230 /* 1231 * open callback for playback on via686 1232 */ 1233 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1234 { 1235 struct via82xx *chip = snd_pcm_substream_chip(substream); 1236 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1237 int err; 1238 1239 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1240 return err; 1241 return 0; 1242 } 1243 1244 /* 1245 * open callback for playback on via823x DXS 1246 */ 1247 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1248 { 1249 struct via82xx *chip = snd_pcm_substream_chip(substream); 1250 struct viadev *viadev; 1251 unsigned int stream; 1252 int err; 1253 1254 viadev = &chip->devs[chip->playback_devno + substream->number]; 1255 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1256 return err; 1257 stream = viadev->reg_offset / 0x10; 1258 if (chip->dxs_controls[stream]) { 1259 chip->playback_volume[stream][0] = 1260 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1261 chip->playback_volume[stream][1] = 1262 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1263 chip->dxs_controls[stream]->vd[0].access &= 1264 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1265 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1266 SNDRV_CTL_EVENT_MASK_INFO, 1267 &chip->dxs_controls[stream]->id); 1268 } 1269 return 0; 1270 } 1271 1272 /* 1273 * open callback for playback on via823x multi-channel 1274 */ 1275 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1276 { 1277 struct via82xx *chip = snd_pcm_substream_chip(substream); 1278 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1279 int err; 1280 /* channels constraint for VIA8233A 1281 * 3 and 5 channels are not supported 1282 */ 1283 static unsigned int channels[] = { 1284 1, 2, 4, 6 1285 }; 1286 static struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1287 .count = ARRAY_SIZE(channels), 1288 .list = channels, 1289 .mask = 0, 1290 }; 1291 1292 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1293 return err; 1294 substream->runtime->hw.channels_max = 6; 1295 if (chip->revision == VIA_REV_8233A) 1296 snd_pcm_hw_constraint_list(substream->runtime, 0, 1297 SNDRV_PCM_HW_PARAM_CHANNELS, 1298 &hw_constraints_channels); 1299 return 0; 1300 } 1301 1302 /* 1303 * open callback for capture on via686 and via823x 1304 */ 1305 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1306 { 1307 struct via82xx *chip = snd_pcm_substream_chip(substream); 1308 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1309 1310 return snd_via82xx_pcm_open(chip, viadev, substream); 1311 } 1312 1313 /* 1314 * close callback 1315 */ 1316 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1317 { 1318 struct via82xx *chip = snd_pcm_substream_chip(substream); 1319 struct viadev *viadev = substream->runtime->private_data; 1320 struct via_rate_lock *ratep; 1321 1322 /* release the rate lock */ 1323 ratep = &chip->rates[viadev->direction]; 1324 spin_lock_irq(&ratep->lock); 1325 ratep->used--; 1326 if (! ratep->used) 1327 ratep->rate = 0; 1328 spin_unlock_irq(&ratep->lock); 1329 if (! ratep->rate) { 1330 if (! viadev->direction) { 1331 snd_ac97_update_power(chip->ac97, 1332 AC97_PCM_FRONT_DAC_RATE, 0); 1333 snd_ac97_update_power(chip->ac97, 1334 AC97_PCM_SURR_DAC_RATE, 0); 1335 snd_ac97_update_power(chip->ac97, 1336 AC97_PCM_LFE_DAC_RATE, 0); 1337 } else 1338 snd_ac97_update_power(chip->ac97, 1339 AC97_PCM_LR_ADC_RATE, 0); 1340 } 1341 viadev->substream = NULL; 1342 return 0; 1343 } 1344 1345 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1346 { 1347 struct via82xx *chip = snd_pcm_substream_chip(substream); 1348 struct viadev *viadev = substream->runtime->private_data; 1349 unsigned int stream; 1350 1351 stream = viadev->reg_offset / 0x10; 1352 if (chip->dxs_controls[stream]) { 1353 chip->dxs_controls[stream]->vd[0].access |= 1354 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1355 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1356 &chip->dxs_controls[stream]->id); 1357 } 1358 return snd_via82xx_pcm_close(substream); 1359 } 1360 1361 1362 /* via686 playback callbacks */ 1363 static struct snd_pcm_ops snd_via686_playback_ops = { 1364 .open = snd_via686_playback_open, 1365 .close = snd_via82xx_pcm_close, 1366 .ioctl = snd_pcm_lib_ioctl, 1367 .hw_params = snd_via82xx_hw_params, 1368 .hw_free = snd_via82xx_hw_free, 1369 .prepare = snd_via686_playback_prepare, 1370 .trigger = snd_via82xx_pcm_trigger, 1371 .pointer = snd_via686_pcm_pointer, 1372 .page = snd_pcm_sgbuf_ops_page, 1373 }; 1374 1375 /* via686 capture callbacks */ 1376 static struct snd_pcm_ops snd_via686_capture_ops = { 1377 .open = snd_via82xx_capture_open, 1378 .close = snd_via82xx_pcm_close, 1379 .ioctl = snd_pcm_lib_ioctl, 1380 .hw_params = snd_via82xx_hw_params, 1381 .hw_free = snd_via82xx_hw_free, 1382 .prepare = snd_via686_capture_prepare, 1383 .trigger = snd_via82xx_pcm_trigger, 1384 .pointer = snd_via686_pcm_pointer, 1385 .page = snd_pcm_sgbuf_ops_page, 1386 }; 1387 1388 /* via823x DSX playback callbacks */ 1389 static struct snd_pcm_ops snd_via8233_playback_ops = { 1390 .open = snd_via8233_playback_open, 1391 .close = snd_via8233_playback_close, 1392 .ioctl = snd_pcm_lib_ioctl, 1393 .hw_params = snd_via82xx_hw_params, 1394 .hw_free = snd_via82xx_hw_free, 1395 .prepare = snd_via8233_playback_prepare, 1396 .trigger = snd_via82xx_pcm_trigger, 1397 .pointer = snd_via8233_pcm_pointer, 1398 .page = snd_pcm_sgbuf_ops_page, 1399 }; 1400 1401 /* via823x multi-channel playback callbacks */ 1402 static struct snd_pcm_ops snd_via8233_multi_ops = { 1403 .open = snd_via8233_multi_open, 1404 .close = snd_via82xx_pcm_close, 1405 .ioctl = snd_pcm_lib_ioctl, 1406 .hw_params = snd_via82xx_hw_params, 1407 .hw_free = snd_via82xx_hw_free, 1408 .prepare = snd_via8233_multi_prepare, 1409 .trigger = snd_via82xx_pcm_trigger, 1410 .pointer = snd_via8233_pcm_pointer, 1411 .page = snd_pcm_sgbuf_ops_page, 1412 }; 1413 1414 /* via823x capture callbacks */ 1415 static struct snd_pcm_ops snd_via8233_capture_ops = { 1416 .open = snd_via82xx_capture_open, 1417 .close = snd_via82xx_pcm_close, 1418 .ioctl = snd_pcm_lib_ioctl, 1419 .hw_params = snd_via82xx_hw_params, 1420 .hw_free = snd_via82xx_hw_free, 1421 .prepare = snd_via8233_capture_prepare, 1422 .trigger = snd_via82xx_pcm_trigger, 1423 .pointer = snd_via8233_pcm_pointer, 1424 .page = snd_pcm_sgbuf_ops_page, 1425 }; 1426 1427 1428 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1429 int shadow_pos, int direction) 1430 { 1431 chip->devs[idx].reg_offset = reg_offset; 1432 chip->devs[idx].shadow_shift = shadow_pos * 4; 1433 chip->devs[idx].direction = direction; 1434 chip->devs[idx].port = chip->port + reg_offset; 1435 } 1436 1437 /* 1438 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1439 */ 1440 static int __devinit snd_via8233_pcm_new(struct via82xx *chip) 1441 { 1442 struct snd_pcm *pcm; 1443 int i, err; 1444 1445 chip->playback_devno = 0; /* x 4 */ 1446 chip->multi_devno = 4; /* x 1 */ 1447 chip->capture_devno = 5; /* x 2 */ 1448 chip->num_devs = 7; 1449 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1450 1451 /* PCM #0: 4 DSX playbacks and 1 capture */ 1452 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1453 if (err < 0) 1454 return err; 1455 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1456 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1457 pcm->private_data = chip; 1458 strcpy(pcm->name, chip->card->shortname); 1459 chip->pcms[0] = pcm; 1460 /* set up playbacks */ 1461 for (i = 0; i < 4; i++) 1462 init_viadev(chip, i, 0x10 * i, i, 0); 1463 /* capture */ 1464 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1465 1466 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1467 snd_dma_pci_data(chip->pci), 1468 64*1024, VIA_MAX_BUFSIZE); 1469 1470 /* PCM #1: multi-channel playback and 2nd capture */ 1471 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1472 if (err < 0) 1473 return err; 1474 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1475 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1476 pcm->private_data = chip; 1477 strcpy(pcm->name, chip->card->shortname); 1478 chip->pcms[1] = pcm; 1479 /* set up playback */ 1480 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1481 /* set up capture */ 1482 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1483 1484 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1485 snd_dma_pci_data(chip->pci), 1486 64*1024, VIA_MAX_BUFSIZE); 1487 return 0; 1488 } 1489 1490 /* 1491 * create pcm instances for VIA8233A 1492 */ 1493 static int __devinit snd_via8233a_pcm_new(struct via82xx *chip) 1494 { 1495 struct snd_pcm *pcm; 1496 int err; 1497 1498 chip->multi_devno = 0; 1499 chip->playback_devno = 1; 1500 chip->capture_devno = 2; 1501 chip->num_devs = 3; 1502 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1503 1504 /* PCM #0: multi-channel playback and capture */ 1505 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1506 if (err < 0) 1507 return err; 1508 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1509 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1510 pcm->private_data = chip; 1511 strcpy(pcm->name, chip->card->shortname); 1512 chip->pcms[0] = pcm; 1513 /* set up playback */ 1514 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1515 /* capture */ 1516 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1517 1518 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1519 snd_dma_pci_data(chip->pci), 1520 64*1024, VIA_MAX_BUFSIZE); 1521 1522 /* SPDIF supported? */ 1523 if (! ac97_can_spdif(chip->ac97)) 1524 return 0; 1525 1526 /* PCM #1: DXS3 playback (for spdif) */ 1527 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1528 if (err < 0) 1529 return err; 1530 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1531 pcm->private_data = chip; 1532 strcpy(pcm->name, chip->card->shortname); 1533 chip->pcms[1] = pcm; 1534 /* set up playback */ 1535 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1536 1537 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1538 snd_dma_pci_data(chip->pci), 1539 64*1024, VIA_MAX_BUFSIZE); 1540 return 0; 1541 } 1542 1543 /* 1544 * create a pcm instance for via686a/b 1545 */ 1546 static int __devinit snd_via686_pcm_new(struct via82xx *chip) 1547 { 1548 struct snd_pcm *pcm; 1549 int err; 1550 1551 chip->playback_devno = 0; 1552 chip->capture_devno = 1; 1553 chip->num_devs = 2; 1554 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1555 1556 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1557 if (err < 0) 1558 return err; 1559 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1560 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1561 pcm->private_data = chip; 1562 strcpy(pcm->name, chip->card->shortname); 1563 chip->pcms[0] = pcm; 1564 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1565 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1566 1567 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1568 snd_dma_pci_data(chip->pci), 1569 64*1024, VIA_MAX_BUFSIZE); 1570 return 0; 1571 } 1572 1573 1574 /* 1575 * Mixer part 1576 */ 1577 1578 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1579 struct snd_ctl_elem_info *uinfo) 1580 { 1581 /* formerly they were "Line" and "Mic", but it looks like that they 1582 * have nothing to do with the actual physical connections... 1583 */ 1584 static char *texts[2] = { 1585 "Input1", "Input2" 1586 }; 1587 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 1588 uinfo->count = 1; 1589 uinfo->value.enumerated.items = 2; 1590 if (uinfo->value.enumerated.item >= 2) 1591 uinfo->value.enumerated.item = 1; 1592 strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); 1593 return 0; 1594 } 1595 1596 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1597 struct snd_ctl_elem_value *ucontrol) 1598 { 1599 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1600 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1601 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1602 return 0; 1603 } 1604 1605 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1606 struct snd_ctl_elem_value *ucontrol) 1607 { 1608 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1609 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1610 u8 val, oval; 1611 1612 spin_lock_irq(&chip->reg_lock); 1613 oval = inb(port); 1614 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1615 if (ucontrol->value.enumerated.item[0]) 1616 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1617 if (val != oval) 1618 outb(val, port); 1619 spin_unlock_irq(&chip->reg_lock); 1620 return val != oval; 1621 } 1622 1623 static struct snd_kcontrol_new snd_via8233_capture_source __devinitdata = { 1624 .name = "Input Source Select", 1625 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1626 .info = snd_via8233_capture_source_info, 1627 .get = snd_via8233_capture_source_get, 1628 .put = snd_via8233_capture_source_put, 1629 }; 1630 1631 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1632 1633 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1634 struct snd_ctl_elem_value *ucontrol) 1635 { 1636 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1637 u8 val; 1638 1639 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1640 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1641 return 0; 1642 } 1643 1644 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1645 struct snd_ctl_elem_value *ucontrol) 1646 { 1647 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1648 u8 val, oval; 1649 1650 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1651 val = oval & ~VIA8233_SPDIF_DX3; 1652 if (ucontrol->value.integer.value[0]) 1653 val |= VIA8233_SPDIF_DX3; 1654 /* save the spdif flag for rate filtering */ 1655 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1656 if (val != oval) { 1657 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1658 return 1; 1659 } 1660 return 0; 1661 } 1662 1663 static struct snd_kcontrol_new snd_via8233_dxs3_spdif_control __devinitdata = { 1664 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1665 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1666 .info = snd_via8233_dxs3_spdif_info, 1667 .get = snd_via8233_dxs3_spdif_get, 1668 .put = snd_via8233_dxs3_spdif_put, 1669 }; 1670 1671 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1672 struct snd_ctl_elem_info *uinfo) 1673 { 1674 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1675 uinfo->count = 2; 1676 uinfo->value.integer.min = 0; 1677 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1678 return 0; 1679 } 1680 1681 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1682 struct snd_ctl_elem_value *ucontrol) 1683 { 1684 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1685 unsigned int idx = kcontrol->id.subdevice; 1686 1687 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1688 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1689 return 0; 1690 } 1691 1692 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1693 struct snd_ctl_elem_value *ucontrol) 1694 { 1695 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1696 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1697 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1698 return 0; 1699 } 1700 1701 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1702 struct snd_ctl_elem_value *ucontrol) 1703 { 1704 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1705 unsigned int idx = kcontrol->id.subdevice; 1706 unsigned long port = chip->port + 0x10 * idx; 1707 unsigned char val; 1708 int i, change = 0; 1709 1710 for (i = 0; i < 2; i++) { 1711 val = ucontrol->value.integer.value[i]; 1712 if (val > VIA_DXS_MAX_VOLUME) 1713 val = VIA_DXS_MAX_VOLUME; 1714 val = VIA_DXS_MAX_VOLUME - val; 1715 change |= val != chip->playback_volume[idx][i]; 1716 if (change) { 1717 chip->playback_volume[idx][i] = val; 1718 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1719 } 1720 } 1721 return change; 1722 } 1723 1724 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1725 struct snd_ctl_elem_value *ucontrol) 1726 { 1727 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1728 unsigned int idx; 1729 unsigned char val; 1730 int i, change = 0; 1731 1732 for (i = 0; i < 2; i++) { 1733 val = ucontrol->value.integer.value[i]; 1734 if (val > VIA_DXS_MAX_VOLUME) 1735 val = VIA_DXS_MAX_VOLUME; 1736 val = VIA_DXS_MAX_VOLUME - val; 1737 if (val != chip->playback_volume_c[i]) { 1738 change = 1; 1739 chip->playback_volume_c[i] = val; 1740 for (idx = 0; idx < 4; idx++) { 1741 unsigned long port = chip->port + 0x10 * idx; 1742 chip->playback_volume[idx][i] = val; 1743 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1744 } 1745 } 1746 } 1747 return change; 1748 } 1749 1750 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1751 1752 static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { 1753 .name = "PCM Playback Volume", 1754 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1755 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1756 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1757 .info = snd_via8233_dxs_volume_info, 1758 .get = snd_via8233_pcmdxs_volume_get, 1759 .put = snd_via8233_pcmdxs_volume_put, 1760 .tlv = { .p = db_scale_dxs } 1761 }; 1762 1763 static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { 1764 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1765 .device = 0, 1766 /* .subdevice set later */ 1767 .name = "PCM Playback Volume", 1768 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1769 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1770 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1771 .info = snd_via8233_dxs_volume_info, 1772 .get = snd_via8233_dxs_volume_get, 1773 .put = snd_via8233_dxs_volume_put, 1774 .tlv = { .p = db_scale_dxs } 1775 }; 1776 1777 /* 1778 */ 1779 1780 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1781 { 1782 struct via82xx *chip = bus->private_data; 1783 chip->ac97_bus = NULL; 1784 } 1785 1786 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1787 { 1788 struct via82xx *chip = ac97->private_data; 1789 chip->ac97 = NULL; 1790 } 1791 1792 static struct ac97_quirk ac97_quirks[] = { 1793 { 1794 .subvendor = 0x1106, 1795 .subdevice = 0x4161, 1796 .codec_id = 0x56494161, /* VT1612A */ 1797 .name = "Soltek SL-75DRV5", 1798 .type = AC97_TUNE_NONE 1799 }, 1800 { /* FIXME: which codec? */ 1801 .subvendor = 0x1106, 1802 .subdevice = 0x4161, 1803 .name = "ASRock K7VT2", 1804 .type = AC97_TUNE_HP_ONLY 1805 }, 1806 { 1807 .subvendor = 0x110a, 1808 .subdevice = 0x0079, 1809 .name = "Fujitsu Siemens D1289", 1810 .type = AC97_TUNE_HP_ONLY 1811 }, 1812 { 1813 .subvendor = 0x1019, 1814 .subdevice = 0x0a81, 1815 .name = "ECS K7VTA3", 1816 .type = AC97_TUNE_HP_ONLY 1817 }, 1818 { 1819 .subvendor = 0x1019, 1820 .subdevice = 0x0a85, 1821 .name = "ECS L7VMM2", 1822 .type = AC97_TUNE_HP_ONLY 1823 }, 1824 { 1825 .subvendor = 0x1019, 1826 .subdevice = 0x1841, 1827 .name = "ECS K7VTA3", 1828 .type = AC97_TUNE_HP_ONLY 1829 }, 1830 { 1831 .subvendor = 0x1849, 1832 .subdevice = 0x3059, 1833 .name = "ASRock K7VM2", 1834 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1835 }, 1836 { 1837 .subvendor = 0x14cd, 1838 .subdevice = 0x7002, 1839 .name = "Unknown", 1840 .type = AC97_TUNE_ALC_JACK 1841 }, 1842 { 1843 .subvendor = 0x1071, 1844 .subdevice = 0x8590, 1845 .name = "Mitac Mobo", 1846 .type = AC97_TUNE_ALC_JACK 1847 }, 1848 { 1849 .subvendor = 0x161f, 1850 .subdevice = 0x202b, 1851 .name = "Arima Notebook", 1852 .type = AC97_TUNE_HP_ONLY, 1853 }, 1854 { 1855 .subvendor = 0x161f, 1856 .subdevice = 0x2032, 1857 .name = "Targa Traveller 811", 1858 .type = AC97_TUNE_HP_ONLY, 1859 }, 1860 { 1861 .subvendor = 0x161f, 1862 .subdevice = 0x2032, 1863 .name = "m680x", 1864 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1865 }, 1866 { 1867 .subvendor = 0x1297, 1868 .subdevice = 0xa232, 1869 .name = "Shuttle AK32VN", 1870 .type = AC97_TUNE_HP_ONLY 1871 }, 1872 { } /* terminator */ 1873 }; 1874 1875 static int __devinit snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1876 { 1877 struct snd_ac97_template ac97; 1878 int err; 1879 static struct snd_ac97_bus_ops ops = { 1880 .write = snd_via82xx_codec_write, 1881 .read = snd_via82xx_codec_read, 1882 .wait = snd_via82xx_codec_wait, 1883 }; 1884 1885 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1886 return err; 1887 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1888 chip->ac97_bus->clock = chip->ac97_clock; 1889 1890 memset(&ac97, 0, sizeof(ac97)); 1891 ac97.private_data = chip; 1892 ac97.private_free = snd_via82xx_mixer_free_ac97; 1893 ac97.pci = chip->pci; 1894 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1895 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1896 return err; 1897 1898 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1899 1900 if (chip->chip_type != TYPE_VIA686) { 1901 /* use slot 10/11 */ 1902 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1903 } 1904 1905 return 0; 1906 } 1907 1908 #ifdef SUPPORT_JOYSTICK 1909 #define JOYSTICK_ADDR 0x200 1910 static int __devinit snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1911 { 1912 struct gameport *gp; 1913 struct resource *r; 1914 1915 if (!joystick) 1916 return -ENODEV; 1917 1918 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1919 if (!r) { 1920 printk(KERN_WARNING "via82xx: cannot reserve joystick port 0x%#x\n", 1921 JOYSTICK_ADDR); 1922 return -EBUSY; 1923 } 1924 1925 chip->gameport = gp = gameport_allocate_port(); 1926 if (!gp) { 1927 printk(KERN_ERR "via82xx: cannot allocate memory for gameport\n"); 1928 release_and_free_resource(r); 1929 return -ENOMEM; 1930 } 1931 1932 gameport_set_name(gp, "VIA686 Gameport"); 1933 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1934 gameport_set_dev_parent(gp, &chip->pci->dev); 1935 gp->io = JOYSTICK_ADDR; 1936 gameport_set_port_data(gp, r); 1937 1938 /* Enable legacy joystick port */ 1939 *legacy |= VIA_FUNC_ENABLE_GAME; 1940 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1941 1942 gameport_register_port(chip->gameport); 1943 1944 return 0; 1945 } 1946 1947 static void snd_via686_free_gameport(struct via82xx *chip) 1948 { 1949 if (chip->gameport) { 1950 struct resource *r = gameport_get_port_data(chip->gameport); 1951 1952 gameport_unregister_port(chip->gameport); 1953 chip->gameport = NULL; 1954 release_and_free_resource(r); 1955 } 1956 } 1957 #else 1958 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1959 { 1960 return -ENOSYS; 1961 } 1962 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1963 #endif 1964 1965 1966 /* 1967 * 1968 */ 1969 1970 static int __devinit snd_via8233_init_misc(struct via82xx *chip) 1971 { 1972 int i, err, caps; 1973 unsigned char val; 1974 1975 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1976 for (i = 0; i < caps; i++) { 1977 snd_via8233_capture_source.index = i; 1978 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1979 if (err < 0) 1980 return err; 1981 } 1982 if (ac97_can_spdif(chip->ac97)) { 1983 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1984 if (err < 0) 1985 return err; 1986 } 1987 if (chip->chip_type != TYPE_VIA8233A) { 1988 /* when no h/w PCM volume control is found, use DXS volume control 1989 * as the PCM vol control 1990 */ 1991 struct snd_ctl_elem_id sid; 1992 memset(&sid, 0, sizeof(sid)); 1993 strcpy(sid.name, "PCM Playback Volume"); 1994 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1995 if (! snd_ctl_find_id(chip->card, &sid)) { 1996 snd_printd(KERN_INFO "Using DXS as PCM Playback\n"); 1997 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1998 if (err < 0) 1999 return err; 2000 } 2001 else /* Using DXS when PCM emulation is enabled is really weird */ 2002 { 2003 for (i = 0; i < 4; ++i) { 2004 struct snd_kcontrol *kctl; 2005 2006 kctl = snd_ctl_new1( 2007 &snd_via8233_dxs_volume_control, chip); 2008 if (!kctl) 2009 return -ENOMEM; 2010 kctl->id.subdevice = i; 2011 err = snd_ctl_add(chip->card, kctl); 2012 if (err < 0) 2013 return err; 2014 chip->dxs_controls[i] = kctl; 2015 } 2016 } 2017 } 2018 /* select spdif data slot 10/11 */ 2019 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2020 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2021 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2022 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2023 2024 return 0; 2025 } 2026 2027 static int __devinit snd_via686_init_misc(struct via82xx *chip) 2028 { 2029 unsigned char legacy, legacy_cfg; 2030 int rev_h = 0; 2031 2032 legacy = chip->old_legacy; 2033 legacy_cfg = chip->old_legacy_cfg; 2034 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2035 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2036 if (chip->revision >= VIA_REV_686_H) { 2037 rev_h = 1; 2038 if (mpu_port >= 0x200) { /* force MIDI */ 2039 mpu_port &= 0xfffc; 2040 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2041 #ifdef CONFIG_PM 2042 chip->mpu_port_saved = mpu_port; 2043 #endif 2044 } else { 2045 mpu_port = pci_resource_start(chip->pci, 2); 2046 } 2047 } else { 2048 switch (mpu_port) { /* force MIDI */ 2049 case 0x300: 2050 case 0x310: 2051 case 0x320: 2052 case 0x330: 2053 legacy_cfg &= ~(3 << 2); 2054 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2055 break; 2056 default: /* no, use BIOS settings */ 2057 if (legacy & VIA_FUNC_ENABLE_MIDI) 2058 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2059 break; 2060 } 2061 } 2062 if (mpu_port >= 0x200 && 2063 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2064 != NULL) { 2065 if (rev_h) 2066 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2067 legacy |= VIA_FUNC_ENABLE_MIDI; 2068 } else { 2069 if (rev_h) 2070 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2071 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2072 mpu_port = 0; 2073 } 2074 2075 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2076 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2077 if (chip->mpu_res) { 2078 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2079 mpu_port, MPU401_INFO_INTEGRATED | 2080 MPU401_INFO_IRQ_HOOK, -1, 2081 &chip->rmidi) < 0) { 2082 printk(KERN_WARNING "unable to initialize MPU-401" 2083 " at 0x%lx, skipping\n", mpu_port); 2084 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2085 } else { 2086 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2087 } 2088 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2089 } 2090 2091 snd_via686_create_gameport(chip, &legacy); 2092 2093 #ifdef CONFIG_PM 2094 chip->legacy_saved = legacy; 2095 chip->legacy_cfg_saved = legacy_cfg; 2096 #endif 2097 2098 return 0; 2099 } 2100 2101 2102 /* 2103 * proc interface 2104 */ 2105 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2106 struct snd_info_buffer *buffer) 2107 { 2108 struct via82xx *chip = entry->private_data; 2109 int i; 2110 2111 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2112 for (i = 0; i < 0xa0; i += 4) { 2113 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2114 } 2115 } 2116 2117 static void __devinit snd_via82xx_proc_init(struct via82xx *chip) 2118 { 2119 struct snd_info_entry *entry; 2120 2121 if (! snd_card_proc_new(chip->card, "via82xx", &entry)) 2122 snd_info_set_text_ops(entry, chip, snd_via82xx_proc_read); 2123 } 2124 2125 /* 2126 * 2127 */ 2128 2129 static int snd_via82xx_chip_init(struct via82xx *chip) 2130 { 2131 unsigned int val; 2132 unsigned long end_time; 2133 unsigned char pval; 2134 2135 #if 0 /* broken on K7M? */ 2136 if (chip->chip_type == TYPE_VIA686) 2137 /* disable all legacy ports */ 2138 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2139 #endif 2140 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2141 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2142 /* deassert ACLink reset, force SYNC */ 2143 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2144 VIA_ACLINK_CTRL_ENABLE | 2145 VIA_ACLINK_CTRL_RESET | 2146 VIA_ACLINK_CTRL_SYNC); 2147 udelay(100); 2148 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2149 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2150 udelay(100); 2151 #else 2152 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2153 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2154 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2155 udelay(2); 2156 #endif 2157 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2158 /* note - FM data out has trouble with non VRA codecs !! */ 2159 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2160 udelay(100); 2161 } 2162 2163 /* Make sure VRA is enabled, in case we didn't do a 2164 * complete codec reset, above */ 2165 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2166 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2167 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2168 /* note - FM data out has trouble with non VRA codecs !! */ 2169 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2170 udelay(100); 2171 } 2172 2173 /* wait until codec ready */ 2174 end_time = jiffies + msecs_to_jiffies(750); 2175 do { 2176 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2177 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2178 break; 2179 schedule_timeout_uninterruptible(1); 2180 } while (time_before(jiffies, end_time)); 2181 2182 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2183 snd_printk(KERN_ERR "AC'97 codec is not ready [0x%x]\n", val); 2184 2185 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2186 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2187 VIA_REG_AC97_SECONDARY_VALID | 2188 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2189 end_time = jiffies + msecs_to_jiffies(750); 2190 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2191 VIA_REG_AC97_SECONDARY_VALID | 2192 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2193 do { 2194 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2195 chip->ac97_secondary = 1; 2196 goto __ac97_ok2; 2197 } 2198 schedule_timeout_uninterruptible(1); 2199 } while (time_before(jiffies, end_time)); 2200 /* This is ok, the most of motherboards have only one codec */ 2201 2202 __ac97_ok2: 2203 #endif 2204 2205 if (chip->chip_type == TYPE_VIA686) { 2206 /* route FM trap to IRQ, disable FM trap */ 2207 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2208 /* disable all GPI interrupts */ 2209 outl(0, VIAREG(chip, GPI_INTR)); 2210 } 2211 2212 if (chip->chip_type != TYPE_VIA686) { 2213 /* Workaround for Award BIOS bug: 2214 * DXS channels don't work properly with VRA if MC97 is disabled. 2215 */ 2216 struct pci_dev *pci; 2217 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2218 if (pci) { 2219 unsigned char data; 2220 pci_read_config_byte(pci, 0x44, &data); 2221 pci_write_config_byte(pci, 0x44, data | 0x40); 2222 pci_dev_put(pci); 2223 } 2224 } 2225 2226 if (chip->chip_type != TYPE_VIA8233A) { 2227 int i, idx; 2228 for (idx = 0; idx < 4; idx++) { 2229 unsigned long port = chip->port + 0x10 * idx; 2230 for (i = 0; i < 2; i++) { 2231 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2232 outb(chip->playback_volume_c[i], 2233 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2234 } 2235 } 2236 } 2237 2238 return 0; 2239 } 2240 2241 #ifdef CONFIG_PM 2242 /* 2243 * power management 2244 */ 2245 static int snd_via82xx_suspend(struct pci_dev *pci, pm_message_t state) 2246 { 2247 struct snd_card *card = pci_get_drvdata(pci); 2248 struct via82xx *chip = card->private_data; 2249 int i; 2250 2251 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2252 for (i = 0; i < 2; i++) 2253 snd_pcm_suspend_all(chip->pcms[i]); 2254 for (i = 0; i < chip->num_devs; i++) 2255 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2256 synchronize_irq(chip->irq); 2257 snd_ac97_suspend(chip->ac97); 2258 2259 /* save misc values */ 2260 if (chip->chip_type != TYPE_VIA686) { 2261 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2262 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2263 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2264 } 2265 2266 pci_disable_device(pci); 2267 pci_save_state(pci); 2268 pci_set_power_state(pci, pci_choose_state(pci, state)); 2269 return 0; 2270 } 2271 2272 static int snd_via82xx_resume(struct pci_dev *pci) 2273 { 2274 struct snd_card *card = pci_get_drvdata(pci); 2275 struct via82xx *chip = card->private_data; 2276 int i; 2277 2278 pci_set_power_state(pci, PCI_D0); 2279 pci_restore_state(pci); 2280 if (pci_enable_device(pci) < 0) { 2281 printk(KERN_ERR "via82xx: pci_enable_device failed, " 2282 "disabling device\n"); 2283 snd_card_disconnect(card); 2284 return -EIO; 2285 } 2286 pci_set_master(pci); 2287 2288 snd_via82xx_chip_init(chip); 2289 2290 if (chip->chip_type == TYPE_VIA686) { 2291 if (chip->mpu_port_saved) 2292 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2293 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2294 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2295 } else { 2296 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2297 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2298 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2299 } 2300 2301 snd_ac97_resume(chip->ac97); 2302 2303 for (i = 0; i < chip->num_devs; i++) 2304 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2305 2306 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2307 return 0; 2308 } 2309 #endif /* CONFIG_PM */ 2310 2311 static int snd_via82xx_free(struct via82xx *chip) 2312 { 2313 unsigned int i; 2314 2315 if (chip->irq < 0) 2316 goto __end_hw; 2317 /* disable interrupts */ 2318 for (i = 0; i < chip->num_devs; i++) 2319 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2320 2321 if (chip->irq >= 0) 2322 free_irq(chip->irq, chip); 2323 __end_hw: 2324 release_and_free_resource(chip->mpu_res); 2325 pci_release_regions(chip->pci); 2326 2327 if (chip->chip_type == TYPE_VIA686) { 2328 snd_via686_free_gameport(chip); 2329 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2330 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2331 } 2332 pci_disable_device(chip->pci); 2333 kfree(chip); 2334 return 0; 2335 } 2336 2337 static int snd_via82xx_dev_free(struct snd_device *device) 2338 { 2339 struct via82xx *chip = device->device_data; 2340 return snd_via82xx_free(chip); 2341 } 2342 2343 static int __devinit snd_via82xx_create(struct snd_card *card, 2344 struct pci_dev *pci, 2345 int chip_type, 2346 int revision, 2347 unsigned int ac97_clock, 2348 struct via82xx ** r_via) 2349 { 2350 struct via82xx *chip; 2351 int err; 2352 static struct snd_device_ops ops = { 2353 .dev_free = snd_via82xx_dev_free, 2354 }; 2355 2356 if ((err = pci_enable_device(pci)) < 0) 2357 return err; 2358 2359 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2360 pci_disable_device(pci); 2361 return -ENOMEM; 2362 } 2363 2364 chip->chip_type = chip_type; 2365 chip->revision = revision; 2366 2367 spin_lock_init(&chip->reg_lock); 2368 spin_lock_init(&chip->rates[0].lock); 2369 spin_lock_init(&chip->rates[1].lock); 2370 chip->card = card; 2371 chip->pci = pci; 2372 chip->irq = -1; 2373 2374 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2375 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2376 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2377 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2378 2379 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2380 kfree(chip); 2381 pci_disable_device(pci); 2382 return err; 2383 } 2384 chip->port = pci_resource_start(pci, 0); 2385 if (request_irq(pci->irq, 2386 chip_type == TYPE_VIA8233 ? 2387 snd_via8233_interrupt : snd_via686_interrupt, 2388 IRQF_SHARED, 2389 KBUILD_MODNAME, chip)) { 2390 snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq); 2391 snd_via82xx_free(chip); 2392 return -EBUSY; 2393 } 2394 chip->irq = pci->irq; 2395 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2396 chip->ac97_clock = ac97_clock; 2397 synchronize_irq(chip->irq); 2398 2399 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2400 snd_via82xx_free(chip); 2401 return err; 2402 } 2403 2404 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2405 snd_via82xx_free(chip); 2406 return err; 2407 } 2408 2409 /* The 8233 ac97 controller does not implement the master bit 2410 * in the pci command register. IMHO this is a violation of the PCI spec. 2411 * We call pci_set_master here because it does not hurt. */ 2412 pci_set_master(pci); 2413 2414 snd_card_set_dev(card, &pci->dev); 2415 2416 *r_via = chip; 2417 return 0; 2418 } 2419 2420 struct via823x_info { 2421 int revision; 2422 char *name; 2423 int type; 2424 }; 2425 static struct via823x_info via823x_cards[] __devinitdata = { 2426 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2427 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2428 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2429 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2430 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2431 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2432 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2433 }; 2434 2435 /* 2436 * auto detection of DXS channel supports. 2437 */ 2438 2439 static struct snd_pci_quirk dxs_whitelist[] __devinitdata = { 2440 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2441 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2442 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2443 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2444 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2445 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2446 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2447 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2448 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2449 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2450 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2451 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2452 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2453 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2454 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2455 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2456 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2457 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2458 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2459 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2460 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2461 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2462 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2463 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2464 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2465 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2466 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2467 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2468 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2469 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2470 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2471 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2472 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2473 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2474 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2475 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2476 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2477 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2478 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2479 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2480 { } /* terminator */ 2481 }; 2482 2483 static int __devinit check_dxs_list(struct pci_dev *pci, int revision) 2484 { 2485 const struct snd_pci_quirk *w; 2486 2487 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2488 if (w) { 2489 snd_printdd(KERN_INFO "via82xx: DXS white list for %s found\n", 2490 w->name); 2491 return w->value; 2492 } 2493 2494 /* for newer revision, default to DXS_SRC */ 2495 if (revision >= VIA_REV_8235) 2496 return VIA_DXS_SRC; 2497 2498 /* 2499 * not detected, try 48k rate only to be sure. 2500 */ 2501 printk(KERN_INFO "via82xx: Assuming DXS channels with 48k fixed sample rate.\n"); 2502 printk(KERN_INFO " Please try dxs_support=5 option\n"); 2503 printk(KERN_INFO " and report if it works on your machine.\n"); 2504 printk(KERN_INFO " For more details, read ALSA-Configuration.txt.\n"); 2505 return VIA_DXS_48K; 2506 }; 2507 2508 static int __devinit snd_via82xx_probe(struct pci_dev *pci, 2509 const struct pci_device_id *pci_id) 2510 { 2511 struct snd_card *card; 2512 struct via82xx *chip; 2513 int chip_type = 0, card_type; 2514 unsigned int i; 2515 int err; 2516 2517 err = snd_card_create(index, id, THIS_MODULE, 0, &card); 2518 if (err < 0) 2519 return err; 2520 2521 card_type = pci_id->driver_data; 2522 switch (card_type) { 2523 case TYPE_CARD_VIA686: 2524 strcpy(card->driver, "VIA686A"); 2525 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2526 chip_type = TYPE_VIA686; 2527 break; 2528 case TYPE_CARD_VIA8233: 2529 chip_type = TYPE_VIA8233; 2530 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2531 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2532 if (pci->revision == via823x_cards[i].revision) { 2533 chip_type = via823x_cards[i].type; 2534 strcpy(card->shortname, via823x_cards[i].name); 2535 break; 2536 } 2537 } 2538 if (chip_type != TYPE_VIA8233A) { 2539 if (dxs_support == VIA_DXS_AUTO) 2540 dxs_support = check_dxs_list(pci, pci->revision); 2541 /* force to use VIA8233 or 8233A model according to 2542 * dxs_support module option 2543 */ 2544 if (dxs_support == VIA_DXS_DISABLE) 2545 chip_type = TYPE_VIA8233A; 2546 else 2547 chip_type = TYPE_VIA8233; 2548 } 2549 if (chip_type == TYPE_VIA8233A) 2550 strcpy(card->driver, "VIA8233A"); 2551 else if (pci->revision >= VIA_REV_8237) 2552 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2553 else 2554 strcpy(card->driver, "VIA8233"); 2555 break; 2556 default: 2557 snd_printk(KERN_ERR "invalid card type %d\n", card_type); 2558 err = -EINVAL; 2559 goto __error; 2560 } 2561 2562 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2563 ac97_clock, &chip)) < 0) 2564 goto __error; 2565 card->private_data = chip; 2566 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2567 goto __error; 2568 2569 if (chip_type == TYPE_VIA686) { 2570 if ((err = snd_via686_pcm_new(chip)) < 0 || 2571 (err = snd_via686_init_misc(chip)) < 0) 2572 goto __error; 2573 } else { 2574 if (chip_type == TYPE_VIA8233A) { 2575 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2576 goto __error; 2577 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2578 } else { 2579 if ((err = snd_via8233_pcm_new(chip)) < 0) 2580 goto __error; 2581 if (dxs_support == VIA_DXS_48K) 2582 chip->dxs_fixed = 1; 2583 else if (dxs_support == VIA_DXS_NO_VRA) 2584 chip->no_vra = 1; 2585 else if (dxs_support == VIA_DXS_SRC) { 2586 chip->no_vra = 1; 2587 chip->dxs_src = 1; 2588 } 2589 } 2590 if ((err = snd_via8233_init_misc(chip)) < 0) 2591 goto __error; 2592 } 2593 2594 /* disable interrupts */ 2595 for (i = 0; i < chip->num_devs; i++) 2596 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2597 2598 snprintf(card->longname, sizeof(card->longname), 2599 "%s with %s at %#lx, irq %d", card->shortname, 2600 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2601 2602 snd_via82xx_proc_init(chip); 2603 2604 if ((err = snd_card_register(card)) < 0) { 2605 snd_card_free(card); 2606 return err; 2607 } 2608 pci_set_drvdata(pci, card); 2609 return 0; 2610 2611 __error: 2612 snd_card_free(card); 2613 return err; 2614 } 2615 2616 static void __devexit snd_via82xx_remove(struct pci_dev *pci) 2617 { 2618 snd_card_free(pci_get_drvdata(pci)); 2619 pci_set_drvdata(pci, NULL); 2620 } 2621 2622 static struct pci_driver driver = { 2623 .name = KBUILD_MODNAME, 2624 .id_table = snd_via82xx_ids, 2625 .probe = snd_via82xx_probe, 2626 .remove = __devexit_p(snd_via82xx_remove), 2627 #ifdef CONFIG_PM 2628 .suspend = snd_via82xx_suspend, 2629 .resume = snd_via82xx_resume, 2630 #endif 2631 }; 2632 2633 static int __init alsa_card_via82xx_init(void) 2634 { 2635 return pci_register_driver(&driver); 2636 } 2637 2638 static void __exit alsa_card_via82xx_exit(void) 2639 { 2640 pci_unregister_driver(&driver); 2641 } 2642 2643 module_init(alsa_card_via82xx_init) 2644 module_exit(alsa_card_via82xx_exit) 2645