1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * ALSA driver for VIA VT82xx (South Bridge) 4 * 5 * VT82C686A/B/C, VT8233A/C, VT8235 6 * 7 * Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz> 8 * Tjeerd.Mulder <Tjeerd.Mulder@fujitsu-siemens.com> 9 * 2002 Takashi Iwai <tiwai@suse.de> 10 */ 11 12 /* 13 * Changes: 14 * 15 * Dec. 19, 2002 Takashi Iwai <tiwai@suse.de> 16 * - use the DSX channels for the first pcm playback. 17 * (on VIA8233, 8233C and 8235 only) 18 * this will allow you play simultaneously up to 4 streams. 19 * multi-channel playback is assigned to the second device 20 * on these chips. 21 * - support the secondary capture (on VIA8233/C,8235) 22 * - SPDIF support 23 * the DSX3 channel can be used for SPDIF output. 24 * on VIA8233A, this channel is assigned to the second pcm 25 * playback. 26 * the card config of alsa-lib will assign the correct 27 * device for applications. 28 * - clean up the code, separate low-level initialization 29 * routines for each chipset. 30 * 31 * Sep. 26, 2005 Karsten Wiese <annabellesgarden@yahoo.de> 32 * - Optimize position calculation for the 823x chips. 33 */ 34 35 #include <linux/io.h> 36 #include <linux/delay.h> 37 #include <linux/interrupt.h> 38 #include <linux/init.h> 39 #include <linux/pci.h> 40 #include <linux/slab.h> 41 #include <linux/gameport.h> 42 #include <linux/module.h> 43 #include <sound/core.h> 44 #include <sound/pcm.h> 45 #include <sound/pcm_params.h> 46 #include <sound/info.h> 47 #include <sound/tlv.h> 48 #include <sound/ac97_codec.h> 49 #include <sound/mpu401.h> 50 #include <sound/initval.h> 51 52 #if 0 53 #define POINTER_DEBUG 54 #endif 55 56 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); 57 MODULE_DESCRIPTION("VIA VT82xx audio"); 58 MODULE_LICENSE("GPL"); 59 MODULE_SUPPORTED_DEVICE("{{VIA,VT82C686A/B/C,pci},{VIA,VT8233A/C,8235}}"); 60 61 #if IS_REACHABLE(CONFIG_GAMEPORT) 62 #define SUPPORT_JOYSTICK 1 63 #endif 64 65 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 66 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 67 static long mpu_port; 68 #ifdef SUPPORT_JOYSTICK 69 static bool joystick; 70 #endif 71 static int ac97_clock = 48000; 72 static char *ac97_quirk; 73 static int dxs_support; 74 static int dxs_init_volume = 31; 75 static int nodelay; 76 77 module_param(index, int, 0444); 78 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 79 module_param(id, charp, 0444); 80 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 81 module_param_hw(mpu_port, long, ioport, 0444); 82 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 83 #ifdef SUPPORT_JOYSTICK 84 module_param(joystick, bool, 0444); 85 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 86 #endif 87 module_param(ac97_clock, int, 0444); 88 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 89 module_param(ac97_quirk, charp, 0444); 90 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 91 module_param(dxs_support, int, 0444); 92 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)"); 93 module_param(dxs_init_volume, int, 0644); 94 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 95 module_param(nodelay, int, 0444); 96 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 97 98 /* just for backward compatibility */ 99 static bool enable; 100 module_param(enable, bool, 0444); 101 102 103 /* revision numbers for via686 */ 104 #define VIA_REV_686_A 0x10 105 #define VIA_REV_686_B 0x11 106 #define VIA_REV_686_C 0x12 107 #define VIA_REV_686_D 0x13 108 #define VIA_REV_686_E 0x14 109 #define VIA_REV_686_H 0x20 110 111 /* revision numbers for via8233 */ 112 #define VIA_REV_PRE_8233 0x10 /* not in market */ 113 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 114 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 115 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 116 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 117 #define VIA_REV_8237 0x60 118 #define VIA_REV_8251 0x70 119 120 /* 121 * Direct registers 122 */ 123 124 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 125 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 126 127 /* common offsets */ 128 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 129 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 130 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 131 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 132 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 133 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 134 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 135 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 136 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 137 #define VIA_REG_CTRL_START 0x80 /* WO */ 138 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 139 #define VIA_REG_CTRL_AUTOSTART 0x20 140 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 141 #define VIA_REG_CTRL_INT_STOP 0x04 142 #define VIA_REG_CTRL_INT_EOL 0x02 143 #define VIA_REG_CTRL_INT_FLAG 0x01 144 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 145 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 146 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 147 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 148 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 149 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 150 #define VIA_REG_TYPE_INT_LLINE 0x00 151 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 152 #define VIA_REG_TYPE_INT_LESSONE 0x08 153 #define VIA_REG_TYPE_INT_MASK 0x0c 154 #define VIA_REG_TYPE_INT_EOL 0x02 155 #define VIA_REG_TYPE_INT_FLAG 0x01 156 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 157 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 158 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 159 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 160 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 161 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 162 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 163 164 #define DEFINE_VIA_REGSET(name,val) \ 165 enum {\ 166 VIA_REG_##name##_STATUS = (val),\ 167 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 168 VIA_REG_##name##_TYPE = (val) + 0x02,\ 169 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 170 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 171 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 172 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 173 } 174 175 /* playback block */ 176 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 177 DEFINE_VIA_REGSET(CAPTURE, 0x10); 178 DEFINE_VIA_REGSET(FM, 0x20); 179 180 /* AC'97 */ 181 #define VIA_REG_AC97 0x80 /* dword */ 182 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 183 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 184 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 185 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 186 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 187 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 188 #define VIA_REG_AC97_BUSY (1<<24) 189 #define VIA_REG_AC97_READ (1<<23) 190 #define VIA_REG_AC97_CMD_SHIFT 16 191 #define VIA_REG_AC97_CMD_MASK 0x7e 192 #define VIA_REG_AC97_DATA_SHIFT 0 193 #define VIA_REG_AC97_DATA_MASK 0xffff 194 195 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 196 /* via686 */ 197 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 198 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 199 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 200 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 201 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 202 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 203 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 204 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 205 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 206 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 207 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 208 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 209 /* via8233 */ 210 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 211 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 212 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 213 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 214 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 215 #define VIA8233_REG_SGD_CHAN_SDX 0 216 #define VIA8233_REG_SGD_CHAN_MULTI 4 217 #define VIA8233_REG_SGD_CHAN_REC 6 218 #define VIA8233_REG_SGD_CHAN_REC1 7 219 220 #define VIA_REG_GPI_STATUS 0x88 221 #define VIA_REG_GPI_INTR 0x8c 222 223 /* multi-channel and capture registers for via8233 */ 224 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 225 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 226 227 /* via8233-specific registers */ 228 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 229 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 230 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 231 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 232 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 233 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 234 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 235 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 236 237 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 238 239 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 240 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 241 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 242 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 243 244 #define VIA_TBL_BIT_FLAG 0x40000000 245 #define VIA_TBL_BIT_EOL 0x80000000 246 247 /* pci space */ 248 #define VIA_ACLINK_STAT 0x40 249 #define VIA_ACLINK_C11_READY 0x20 250 #define VIA_ACLINK_C10_READY 0x10 251 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 252 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 253 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 254 #define VIA_ACLINK_CTRL 0x41 255 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 256 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 257 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 258 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 259 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 260 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 261 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 262 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 263 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 264 VIA_ACLINK_CTRL_RESET|\ 265 VIA_ACLINK_CTRL_PCM|\ 266 VIA_ACLINK_CTRL_VRA) 267 #define VIA_FUNC_ENABLE 0x42 268 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 269 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 270 #define VIA_FUNC_RX2C_WRITE 0x20 271 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 272 #define VIA_FUNC_ENABLE_GAME 0x08 273 #define VIA_FUNC_ENABLE_FM 0x04 274 #define VIA_FUNC_ENABLE_MIDI 0x02 275 #define VIA_FUNC_ENABLE_SB 0x01 276 #define VIA_PNP_CONTROL 0x43 277 #define VIA_FM_NMI_CTRL 0x48 278 #define VIA8233_VOLCHG_CTRL 0x48 279 #define VIA8233_SPDIF_CTRL 0x49 280 #define VIA8233_SPDIF_DX3 0x08 281 #define VIA8233_SPDIF_SLOT_MASK 0x03 282 #define VIA8233_SPDIF_SLOT_1011 0x00 283 #define VIA8233_SPDIF_SLOT_34 0x01 284 #define VIA8233_SPDIF_SLOT_78 0x02 285 #define VIA8233_SPDIF_SLOT_69 0x03 286 287 /* 288 */ 289 290 #define VIA_DXS_AUTO 0 291 #define VIA_DXS_ENABLE 1 292 #define VIA_DXS_DISABLE 2 293 #define VIA_DXS_48K 3 294 #define VIA_DXS_NO_VRA 4 295 #define VIA_DXS_SRC 5 296 297 298 /* 299 * pcm stream 300 */ 301 302 struct snd_via_sg_table { 303 unsigned int offset; 304 unsigned int size; 305 } ; 306 307 #define VIA_TABLE_SIZE 255 308 #define VIA_MAX_BUFSIZE (1<<24) 309 310 struct viadev { 311 unsigned int reg_offset; 312 unsigned long port; 313 int direction; /* playback = 0, capture = 1 */ 314 struct snd_pcm_substream *substream; 315 int running; 316 unsigned int tbl_entries; /* # descriptors */ 317 struct snd_dma_buffer table; 318 struct snd_via_sg_table *idx_table; 319 /* for recovery from the unexpected pointer */ 320 unsigned int lastpos; 321 unsigned int fragsize; 322 unsigned int bufsize; 323 unsigned int bufsize2; 324 int hwptr_done; /* processed frame position in the buffer */ 325 int in_interrupt; 326 int shadow_shift; 327 }; 328 329 330 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 331 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 332 333 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 334 335 struct via_rate_lock { 336 spinlock_t lock; 337 int rate; 338 int used; 339 }; 340 341 struct via82xx { 342 int irq; 343 344 unsigned long port; 345 struct resource *mpu_res; 346 int chip_type; 347 unsigned char revision; 348 349 unsigned char old_legacy; 350 unsigned char old_legacy_cfg; 351 #ifdef CONFIG_PM_SLEEP 352 unsigned char legacy_saved; 353 unsigned char legacy_cfg_saved; 354 unsigned char spdif_ctrl_saved; 355 unsigned char capture_src_saved[2]; 356 unsigned int mpu_port_saved; 357 #endif 358 359 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 360 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 361 362 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 363 364 struct pci_dev *pci; 365 struct snd_card *card; 366 367 unsigned int num_devs; 368 unsigned int playback_devno, multi_devno, capture_devno; 369 struct viadev devs[VIA_MAX_DEVS]; 370 struct via_rate_lock rates[2]; /* playback and capture */ 371 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 372 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 373 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 374 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 375 376 struct snd_pcm *pcms[2]; 377 struct snd_rawmidi *rmidi; 378 struct snd_kcontrol *dxs_controls[4]; 379 380 struct snd_ac97_bus *ac97_bus; 381 struct snd_ac97 *ac97; 382 unsigned int ac97_clock; 383 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 384 385 spinlock_t reg_lock; 386 struct snd_info_entry *proc_entry; 387 388 #ifdef SUPPORT_JOYSTICK 389 struct gameport *gameport; 390 #endif 391 }; 392 393 static const struct pci_device_id snd_via82xx_ids[] = { 394 /* 0x1106, 0x3058 */ 395 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 396 /* 0x1106, 0x3059 */ 397 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 398 { 0, } 399 }; 400 401 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 402 403 /* 404 */ 405 406 /* 407 * allocate and initialize the descriptor buffers 408 * periods = number of periods 409 * fragsize = period size in bytes 410 */ 411 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 412 struct pci_dev *pci, 413 unsigned int periods, unsigned int fragsize) 414 { 415 unsigned int i, idx, ofs, rest; 416 struct via82xx *chip = snd_pcm_substream_chip(substream); 417 418 if (dev->table.area == NULL) { 419 /* the start of each lists must be aligned to 8 bytes, 420 * but the kernel pages are much bigger, so we don't care 421 */ 422 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &chip->pci->dev, 423 PAGE_ALIGN(VIA_TABLE_SIZE * 2 * 8), 424 &dev->table) < 0) 425 return -ENOMEM; 426 } 427 if (! dev->idx_table) { 428 dev->idx_table = kmalloc_array(VIA_TABLE_SIZE, 429 sizeof(*dev->idx_table), 430 GFP_KERNEL); 431 if (! dev->idx_table) 432 return -ENOMEM; 433 } 434 435 /* fill the entries */ 436 idx = 0; 437 ofs = 0; 438 for (i = 0; i < periods; i++) { 439 rest = fragsize; 440 /* fill descriptors for a period. 441 * a period can be split to several descriptors if it's 442 * over page boundary. 443 */ 444 do { 445 unsigned int r; 446 unsigned int flag; 447 unsigned int addr; 448 449 if (idx >= VIA_TABLE_SIZE) { 450 dev_err(&pci->dev, "too much table size!\n"); 451 return -EINVAL; 452 } 453 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 454 ((u32 *)dev->table.area)[idx << 1] = cpu_to_le32(addr); 455 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 456 rest -= r; 457 if (! rest) { 458 if (i == periods - 1) 459 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 460 else 461 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 462 } else 463 flag = 0; /* period continues to the next */ 464 /* 465 dev_dbg(&pci->dev, 466 "tbl %d: at %d size %d (rest %d)\n", 467 idx, ofs, r, rest); 468 */ 469 ((u32 *)dev->table.area)[(idx<<1) + 1] = cpu_to_le32(r | flag); 470 dev->idx_table[idx].offset = ofs; 471 dev->idx_table[idx].size = r; 472 ofs += r; 473 idx++; 474 } while (rest > 0); 475 } 476 dev->tbl_entries = idx; 477 dev->bufsize = periods * fragsize; 478 dev->bufsize2 = dev->bufsize / 2; 479 dev->fragsize = fragsize; 480 return 0; 481 } 482 483 484 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 485 struct pci_dev *pci) 486 { 487 if (dev->table.area) { 488 snd_dma_free_pages(&dev->table); 489 dev->table.area = NULL; 490 } 491 kfree(dev->idx_table); 492 dev->idx_table = NULL; 493 return 0; 494 } 495 496 /* 497 * Basic I/O 498 */ 499 500 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 501 { 502 return inl(VIAREG(chip, AC97)); 503 } 504 505 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 506 { 507 outl(val, VIAREG(chip, AC97)); 508 } 509 510 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 511 { 512 unsigned int timeout = 1000; /* 1ms */ 513 unsigned int val; 514 515 while (timeout-- > 0) { 516 udelay(1); 517 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 518 return val & 0xffff; 519 } 520 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 521 secondary, snd_via82xx_codec_xread(chip)); 522 return -EIO; 523 } 524 525 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 526 { 527 unsigned int timeout = 1000; /* 1ms */ 528 unsigned int val, val1; 529 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 530 VIA_REG_AC97_SECONDARY_VALID; 531 532 while (timeout-- > 0) { 533 val = snd_via82xx_codec_xread(chip); 534 val1 = val & (VIA_REG_AC97_BUSY | stat); 535 if (val1 == stat) 536 return val & 0xffff; 537 udelay(1); 538 } 539 return -EIO; 540 } 541 542 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 543 { 544 struct via82xx *chip = ac97->private_data; 545 int err; 546 err = snd_via82xx_codec_ready(chip, ac97->num); 547 /* here we need to wait fairly for long time.. */ 548 if (!nodelay) 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 dev_err(chip->card->dev, 580 "codec_read: codec %i is not valid [0x%x]\n", 581 ac97->num, snd_via82xx_codec_xread(chip)); 582 return 0xffff; 583 } 584 snd_via82xx_codec_xwrite(chip, xval); 585 udelay (20); 586 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 587 udelay(25); 588 val = snd_via82xx_codec_xread(chip); 589 break; 590 } 591 } 592 return val & 0xffff; 593 } 594 595 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 596 { 597 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 598 VIADEV_REG(viadev, OFFSET_CONTROL)); 599 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 600 udelay(50); 601 /* disable interrupts */ 602 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 603 /* clear interrupts */ 604 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 605 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 606 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 607 viadev->lastpos = 0; 608 viadev->hwptr_done = 0; 609 } 610 611 612 /* 613 * Interrupt handler 614 * Used for 686 and 8233A 615 */ 616 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 617 { 618 struct via82xx *chip = dev_id; 619 unsigned int status; 620 unsigned int i; 621 622 status = inl(VIAREG(chip, SGD_SHADOW)); 623 if (! (status & chip->intr_mask)) { 624 if (chip->rmidi) 625 /* check mpu401 interrupt */ 626 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 627 return IRQ_NONE; 628 } 629 630 /* check status for each stream */ 631 spin_lock(&chip->reg_lock); 632 for (i = 0; i < chip->num_devs; i++) { 633 struct viadev *viadev = &chip->devs[i]; 634 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 635 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 636 continue; 637 if (viadev->substream && viadev->running) { 638 /* 639 * Update hwptr_done based on 'period elapsed' 640 * interrupts. We'll use it, when the chip returns 0 641 * for OFFSET_CURR_COUNT. 642 */ 643 if (c_status & VIA_REG_STAT_EOL) 644 viadev->hwptr_done = 0; 645 else 646 viadev->hwptr_done += viadev->fragsize; 647 viadev->in_interrupt = c_status; 648 spin_unlock(&chip->reg_lock); 649 snd_pcm_period_elapsed(viadev->substream); 650 spin_lock(&chip->reg_lock); 651 viadev->in_interrupt = 0; 652 } 653 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 654 } 655 spin_unlock(&chip->reg_lock); 656 return IRQ_HANDLED; 657 } 658 659 /* 660 * Interrupt handler 661 */ 662 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 663 { 664 struct via82xx *chip = dev_id; 665 unsigned int status; 666 unsigned int i; 667 int irqreturn = 0; 668 669 /* check status for each stream */ 670 spin_lock(&chip->reg_lock); 671 status = inl(VIAREG(chip, SGD_SHADOW)); 672 673 for (i = 0; i < chip->num_devs; i++) { 674 struct viadev *viadev = &chip->devs[i]; 675 struct snd_pcm_substream *substream; 676 unsigned char c_status, shadow_status; 677 678 shadow_status = (status >> viadev->shadow_shift) & 679 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 680 VIA_REG_STAT_FLAG); 681 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 682 if (!c_status) 683 continue; 684 685 substream = viadev->substream; 686 if (substream && viadev->running) { 687 /* 688 * Update hwptr_done based on 'period elapsed' 689 * interrupts. We'll use it, when the chip returns 0 690 * for OFFSET_CURR_COUNT. 691 */ 692 if (c_status & VIA_REG_STAT_EOL) 693 viadev->hwptr_done = 0; 694 else 695 viadev->hwptr_done += viadev->fragsize; 696 viadev->in_interrupt = c_status; 697 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 698 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 699 spin_unlock(&chip->reg_lock); 700 701 snd_pcm_period_elapsed(substream); 702 703 spin_lock(&chip->reg_lock); 704 viadev->in_interrupt = 0; 705 } 706 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 707 irqreturn = 1; 708 } 709 spin_unlock(&chip->reg_lock); 710 return IRQ_RETVAL(irqreturn); 711 } 712 713 /* 714 * PCM callbacks 715 */ 716 717 /* 718 * trigger callback 719 */ 720 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 721 { 722 struct via82xx *chip = snd_pcm_substream_chip(substream); 723 struct viadev *viadev = substream->runtime->private_data; 724 unsigned char val; 725 726 if (chip->chip_type != TYPE_VIA686) 727 val = VIA_REG_CTRL_INT; 728 else 729 val = 0; 730 switch (cmd) { 731 case SNDRV_PCM_TRIGGER_START: 732 case SNDRV_PCM_TRIGGER_RESUME: 733 val |= VIA_REG_CTRL_START; 734 viadev->running = 1; 735 break; 736 case SNDRV_PCM_TRIGGER_STOP: 737 case SNDRV_PCM_TRIGGER_SUSPEND: 738 val = VIA_REG_CTRL_TERMINATE; 739 viadev->running = 0; 740 break; 741 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 742 val |= VIA_REG_CTRL_PAUSE; 743 viadev->running = 0; 744 break; 745 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 746 viadev->running = 1; 747 break; 748 default: 749 return -EINVAL; 750 } 751 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 752 if (cmd == SNDRV_PCM_TRIGGER_STOP) 753 snd_via82xx_channel_reset(chip, viadev); 754 return 0; 755 } 756 757 758 /* 759 * pointer callbacks 760 */ 761 762 /* 763 * calculate the linear position at the given sg-buffer index and the rest count 764 */ 765 766 #define check_invalid_pos(viadev,pos) \ 767 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 768 viadev->lastpos < viadev->bufsize2)) 769 770 static inline unsigned int calc_linear_pos(struct via82xx *chip, 771 struct viadev *viadev, 772 unsigned int idx, 773 unsigned int count) 774 { 775 unsigned int size, base, res; 776 777 size = viadev->idx_table[idx].size; 778 base = viadev->idx_table[idx].offset; 779 res = base + size - count; 780 if (res >= viadev->bufsize) 781 res -= viadev->bufsize; 782 783 /* check the validity of the calculated position */ 784 if (size < count) { 785 dev_dbg(chip->card->dev, 786 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 787 (int)size, (int)count); 788 res = viadev->lastpos; 789 } else { 790 if (! count) { 791 /* Some mobos report count = 0 on the DMA boundary, 792 * i.e. count = size indeed. 793 * Let's check whether this step is above the expected size. 794 */ 795 int delta = res - viadev->lastpos; 796 if (delta < 0) 797 delta += viadev->bufsize; 798 if ((unsigned int)delta > viadev->fragsize) 799 res = base; 800 } 801 if (check_invalid_pos(viadev, res)) { 802 #ifdef POINTER_DEBUG 803 dev_dbg(chip->card->dev, 804 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 805 idx, viadev->tbl_entries, 806 viadev->lastpos, viadev->bufsize2, 807 viadev->idx_table[idx].offset, 808 viadev->idx_table[idx].size, count); 809 #endif 810 /* count register returns full size when end of buffer is reached */ 811 res = base + size; 812 if (check_invalid_pos(viadev, res)) { 813 dev_dbg(chip->card->dev, 814 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 815 res = viadev->lastpos; 816 } 817 } 818 } 819 return res; 820 } 821 822 /* 823 * get the current pointer on via686 824 */ 825 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 826 { 827 struct via82xx *chip = snd_pcm_substream_chip(substream); 828 struct viadev *viadev = substream->runtime->private_data; 829 unsigned int idx, ptr, count, res; 830 831 if (snd_BUG_ON(!viadev->tbl_entries)) 832 return 0; 833 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 834 return 0; 835 836 spin_lock(&chip->reg_lock); 837 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 838 /* The via686a does not have the current index register, 839 * so we need to calculate the index from CURR_PTR. 840 */ 841 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 842 if (ptr <= (unsigned int)viadev->table.addr) 843 idx = 0; 844 else /* CURR_PTR holds the address + 8 */ 845 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 846 res = calc_linear_pos(chip, viadev, idx, count); 847 viadev->lastpos = res; /* remember the last position */ 848 spin_unlock(&chip->reg_lock); 849 850 return bytes_to_frames(substream->runtime, res); 851 } 852 853 /* 854 * get the current pointer on via823x 855 */ 856 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 857 { 858 struct via82xx *chip = snd_pcm_substream_chip(substream); 859 struct viadev *viadev = substream->runtime->private_data; 860 unsigned int idx, count, res; 861 int status; 862 863 if (snd_BUG_ON(!viadev->tbl_entries)) 864 return 0; 865 866 spin_lock(&chip->reg_lock); 867 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 868 status = viadev->in_interrupt; 869 if (!status) 870 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 871 872 /* An apparent bug in the 8251 is worked around by sending a 873 * REG_CTRL_START. */ 874 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 875 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 876 877 if (!(status & VIA_REG_STAT_ACTIVE)) { 878 res = 0; 879 goto unlock; 880 } 881 if (count & 0xffffff) { 882 idx = count >> 24; 883 if (idx >= viadev->tbl_entries) { 884 #ifdef POINTER_DEBUG 885 dev_dbg(chip->card->dev, 886 "fail: invalid idx = %i/%i\n", idx, 887 viadev->tbl_entries); 888 #endif 889 res = viadev->lastpos; 890 } else { 891 count &= 0xffffff; 892 res = calc_linear_pos(chip, viadev, idx, count); 893 } 894 } else { 895 res = viadev->hwptr_done; 896 if (!viadev->in_interrupt) { 897 if (status & VIA_REG_STAT_EOL) { 898 res = 0; 899 } else 900 if (status & VIA_REG_STAT_FLAG) { 901 res += viadev->fragsize; 902 } 903 } 904 } 905 unlock: 906 viadev->lastpos = res; 907 spin_unlock(&chip->reg_lock); 908 909 return bytes_to_frames(substream->runtime, res); 910 } 911 912 913 /* 914 * hw_params callback: 915 * allocate the buffer and build up the buffer description table 916 */ 917 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 918 struct snd_pcm_hw_params *hw_params) 919 { 920 struct via82xx *chip = snd_pcm_substream_chip(substream); 921 struct viadev *viadev = substream->runtime->private_data; 922 923 return build_via_table(viadev, substream, chip->pci, 924 params_periods(hw_params), 925 params_period_bytes(hw_params)); 926 } 927 928 /* 929 * hw_free callback: 930 * clean up the buffer description table and release the buffer 931 */ 932 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 933 { 934 struct via82xx *chip = snd_pcm_substream_chip(substream); 935 struct viadev *viadev = substream->runtime->private_data; 936 937 clean_via_table(viadev, substream, chip->pci); 938 return 0; 939 } 940 941 942 /* 943 * set up the table pointer 944 */ 945 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 946 { 947 snd_via82xx_codec_ready(chip, 0); 948 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 949 udelay(20); 950 snd_via82xx_codec_ready(chip, 0); 951 } 952 953 /* 954 * prepare callback for playback and capture on via686 955 */ 956 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 957 struct snd_pcm_runtime *runtime) 958 { 959 snd_via82xx_channel_reset(chip, viadev); 960 /* this must be set after channel_reset */ 961 snd_via82xx_set_table_ptr(chip, viadev); 962 outb(VIA_REG_TYPE_AUTOSTART | 963 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 964 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 965 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 966 VIA_REG_TYPE_INT_EOL | 967 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 968 } 969 970 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 971 { 972 struct via82xx *chip = snd_pcm_substream_chip(substream); 973 struct viadev *viadev = substream->runtime->private_data; 974 struct snd_pcm_runtime *runtime = substream->runtime; 975 976 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 977 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 978 via686_setup_format(chip, viadev, runtime); 979 return 0; 980 } 981 982 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 983 { 984 struct via82xx *chip = snd_pcm_substream_chip(substream); 985 struct viadev *viadev = substream->runtime->private_data; 986 struct snd_pcm_runtime *runtime = substream->runtime; 987 988 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 989 via686_setup_format(chip, viadev, runtime); 990 return 0; 991 } 992 993 /* 994 * lock the current rate 995 */ 996 static int via_lock_rate(struct via_rate_lock *rec, int rate) 997 { 998 int changed = 0; 999 1000 spin_lock_irq(&rec->lock); 1001 if (rec->rate != rate) { 1002 if (rec->rate && rec->used > 1) /* already set */ 1003 changed = -EINVAL; 1004 else { 1005 rec->rate = rate; 1006 changed = 1; 1007 } 1008 } 1009 spin_unlock_irq(&rec->lock); 1010 return changed; 1011 } 1012 1013 /* 1014 * prepare callback for DSX playback on via823x 1015 */ 1016 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1017 { 1018 struct via82xx *chip = snd_pcm_substream_chip(substream); 1019 struct viadev *viadev = substream->runtime->private_data; 1020 struct snd_pcm_runtime *runtime = substream->runtime; 1021 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1022 int rate_changed; 1023 u32 rbits; 1024 1025 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1026 return rate_changed; 1027 if (rate_changed) 1028 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1029 chip->no_vra ? 48000 : runtime->rate); 1030 if (chip->spdif_on && viadev->reg_offset == 0x30) 1031 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1032 1033 if (runtime->rate == 48000) 1034 rbits = 0xfffff; 1035 else 1036 rbits = (0x100000 / 48000) * runtime->rate + 1037 ((0x100000 % 48000) * runtime->rate) / 48000; 1038 snd_BUG_ON(rbits & ~0xfffff); 1039 snd_via82xx_channel_reset(chip, viadev); 1040 snd_via82xx_set_table_ptr(chip, viadev); 1041 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1042 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1043 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1044 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1045 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1046 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1047 rbits | /* rate */ 1048 0xff000000, /* STOP index is never reached */ 1049 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1050 udelay(20); 1051 snd_via82xx_codec_ready(chip, 0); 1052 return 0; 1053 } 1054 1055 /* 1056 * prepare callback for multi-channel playback on via823x 1057 */ 1058 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1059 { 1060 struct via82xx *chip = snd_pcm_substream_chip(substream); 1061 struct viadev *viadev = substream->runtime->private_data; 1062 struct snd_pcm_runtime *runtime = substream->runtime; 1063 unsigned int slots; 1064 int fmt; 1065 1066 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1067 return -EINVAL; 1068 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1069 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1070 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1071 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1072 snd_via82xx_channel_reset(chip, viadev); 1073 snd_via82xx_set_table_ptr(chip, viadev); 1074 1075 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1076 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1077 fmt |= runtime->channels << 4; 1078 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1079 #if 0 1080 if (chip->revision == VIA_REV_8233A) 1081 slots = 0; 1082 else 1083 #endif 1084 { 1085 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1086 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1087 switch (runtime->channels) { 1088 case 1: slots = (1<<0) | (1<<4); break; 1089 case 2: slots = (1<<0) | (2<<4); break; 1090 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1091 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1092 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1093 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1094 default: slots = 0; break; 1095 } 1096 } 1097 /* STOP index is never reached */ 1098 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1099 udelay(20); 1100 snd_via82xx_codec_ready(chip, 0); 1101 return 0; 1102 } 1103 1104 /* 1105 * prepare callback for capture on via823x 1106 */ 1107 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1108 { 1109 struct via82xx *chip = snd_pcm_substream_chip(substream); 1110 struct viadev *viadev = substream->runtime->private_data; 1111 struct snd_pcm_runtime *runtime = substream->runtime; 1112 1113 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1114 return -EINVAL; 1115 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1116 snd_via82xx_channel_reset(chip, viadev); 1117 snd_via82xx_set_table_ptr(chip, viadev); 1118 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1119 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1120 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1121 0xff000000, /* STOP index is never reached */ 1122 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1123 udelay(20); 1124 snd_via82xx_codec_ready(chip, 0); 1125 return 0; 1126 } 1127 1128 1129 /* 1130 * pcm hardware definition, identical for both playback and capture 1131 */ 1132 static const struct snd_pcm_hardware snd_via82xx_hw = 1133 { 1134 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1135 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1136 SNDRV_PCM_INFO_MMAP_VALID | 1137 /* SNDRV_PCM_INFO_RESUME | */ 1138 SNDRV_PCM_INFO_PAUSE), 1139 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1140 .rates = SNDRV_PCM_RATE_48000, 1141 .rate_min = 48000, 1142 .rate_max = 48000, 1143 .channels_min = 1, 1144 .channels_max = 2, 1145 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1146 .period_bytes_min = 32, 1147 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1148 .periods_min = 2, 1149 .periods_max = VIA_TABLE_SIZE / 2, 1150 .fifo_size = 0, 1151 }; 1152 1153 1154 /* 1155 * open callback skeleton 1156 */ 1157 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1158 struct snd_pcm_substream *substream) 1159 { 1160 struct snd_pcm_runtime *runtime = substream->runtime; 1161 int err; 1162 struct via_rate_lock *ratep; 1163 bool use_src = false; 1164 1165 runtime->hw = snd_via82xx_hw; 1166 1167 /* set the hw rate condition */ 1168 ratep = &chip->rates[viadev->direction]; 1169 spin_lock_irq(&ratep->lock); 1170 ratep->used++; 1171 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1172 /* DXS#3 and spdif is on */ 1173 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1174 snd_pcm_limit_hw_rates(runtime); 1175 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1176 /* fixed DXS playback rate */ 1177 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1178 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1179 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1180 /* use full SRC capabilities of DXS */ 1181 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1182 SNDRV_PCM_RATE_8000_48000); 1183 runtime->hw.rate_min = 8000; 1184 runtime->hw.rate_max = 48000; 1185 use_src = true; 1186 } else if (! ratep->rate) { 1187 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1188 runtime->hw.rates = chip->ac97->rates[idx]; 1189 snd_pcm_limit_hw_rates(runtime); 1190 } else { 1191 /* a fixed rate */ 1192 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1193 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1194 } 1195 spin_unlock_irq(&ratep->lock); 1196 1197 /* we may remove following constaint when we modify table entries 1198 in interrupt */ 1199 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1200 return err; 1201 1202 if (use_src) { 1203 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1204 if (err < 0) 1205 return err; 1206 } 1207 1208 runtime->private_data = viadev; 1209 viadev->substream = substream; 1210 1211 return 0; 1212 } 1213 1214 1215 /* 1216 * open callback for playback on via686 1217 */ 1218 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1219 { 1220 struct via82xx *chip = snd_pcm_substream_chip(substream); 1221 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1222 int err; 1223 1224 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1225 return err; 1226 return 0; 1227 } 1228 1229 /* 1230 * open callback for playback on via823x DXS 1231 */ 1232 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1233 { 1234 struct via82xx *chip = snd_pcm_substream_chip(substream); 1235 struct viadev *viadev; 1236 unsigned int stream; 1237 int err; 1238 1239 viadev = &chip->devs[chip->playback_devno + substream->number]; 1240 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1241 return err; 1242 stream = viadev->reg_offset / 0x10; 1243 if (chip->dxs_controls[stream]) { 1244 chip->playback_volume[stream][0] = 1245 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1246 chip->playback_volume[stream][1] = 1247 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1248 chip->dxs_controls[stream]->vd[0].access &= 1249 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1250 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1251 SNDRV_CTL_EVENT_MASK_INFO, 1252 &chip->dxs_controls[stream]->id); 1253 } 1254 return 0; 1255 } 1256 1257 /* 1258 * open callback for playback on via823x multi-channel 1259 */ 1260 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1261 { 1262 struct via82xx *chip = snd_pcm_substream_chip(substream); 1263 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1264 int err; 1265 /* channels constraint for VIA8233A 1266 * 3 and 5 channels are not supported 1267 */ 1268 static const unsigned int channels[] = { 1269 1, 2, 4, 6 1270 }; 1271 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1272 .count = ARRAY_SIZE(channels), 1273 .list = channels, 1274 .mask = 0, 1275 }; 1276 1277 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1278 return err; 1279 substream->runtime->hw.channels_max = 6; 1280 if (chip->revision == VIA_REV_8233A) 1281 snd_pcm_hw_constraint_list(substream->runtime, 0, 1282 SNDRV_PCM_HW_PARAM_CHANNELS, 1283 &hw_constraints_channels); 1284 return 0; 1285 } 1286 1287 /* 1288 * open callback for capture on via686 and via823x 1289 */ 1290 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1291 { 1292 struct via82xx *chip = snd_pcm_substream_chip(substream); 1293 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1294 1295 return snd_via82xx_pcm_open(chip, viadev, substream); 1296 } 1297 1298 /* 1299 * close callback 1300 */ 1301 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1302 { 1303 struct via82xx *chip = snd_pcm_substream_chip(substream); 1304 struct viadev *viadev = substream->runtime->private_data; 1305 struct via_rate_lock *ratep; 1306 1307 /* release the rate lock */ 1308 ratep = &chip->rates[viadev->direction]; 1309 spin_lock_irq(&ratep->lock); 1310 ratep->used--; 1311 if (! ratep->used) 1312 ratep->rate = 0; 1313 spin_unlock_irq(&ratep->lock); 1314 if (! ratep->rate) { 1315 if (! viadev->direction) { 1316 snd_ac97_update_power(chip->ac97, 1317 AC97_PCM_FRONT_DAC_RATE, 0); 1318 snd_ac97_update_power(chip->ac97, 1319 AC97_PCM_SURR_DAC_RATE, 0); 1320 snd_ac97_update_power(chip->ac97, 1321 AC97_PCM_LFE_DAC_RATE, 0); 1322 } else 1323 snd_ac97_update_power(chip->ac97, 1324 AC97_PCM_LR_ADC_RATE, 0); 1325 } 1326 viadev->substream = NULL; 1327 return 0; 1328 } 1329 1330 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1331 { 1332 struct via82xx *chip = snd_pcm_substream_chip(substream); 1333 struct viadev *viadev = substream->runtime->private_data; 1334 unsigned int stream; 1335 1336 stream = viadev->reg_offset / 0x10; 1337 if (chip->dxs_controls[stream]) { 1338 chip->dxs_controls[stream]->vd[0].access |= 1339 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1340 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1341 &chip->dxs_controls[stream]->id); 1342 } 1343 return snd_via82xx_pcm_close(substream); 1344 } 1345 1346 1347 /* via686 playback callbacks */ 1348 static const struct snd_pcm_ops snd_via686_playback_ops = { 1349 .open = snd_via686_playback_open, 1350 .close = snd_via82xx_pcm_close, 1351 .hw_params = snd_via82xx_hw_params, 1352 .hw_free = snd_via82xx_hw_free, 1353 .prepare = snd_via686_playback_prepare, 1354 .trigger = snd_via82xx_pcm_trigger, 1355 .pointer = snd_via686_pcm_pointer, 1356 }; 1357 1358 /* via686 capture callbacks */ 1359 static const struct snd_pcm_ops snd_via686_capture_ops = { 1360 .open = snd_via82xx_capture_open, 1361 .close = snd_via82xx_pcm_close, 1362 .hw_params = snd_via82xx_hw_params, 1363 .hw_free = snd_via82xx_hw_free, 1364 .prepare = snd_via686_capture_prepare, 1365 .trigger = snd_via82xx_pcm_trigger, 1366 .pointer = snd_via686_pcm_pointer, 1367 }; 1368 1369 /* via823x DSX playback callbacks */ 1370 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1371 .open = snd_via8233_playback_open, 1372 .close = snd_via8233_playback_close, 1373 .hw_params = snd_via82xx_hw_params, 1374 .hw_free = snd_via82xx_hw_free, 1375 .prepare = snd_via8233_playback_prepare, 1376 .trigger = snd_via82xx_pcm_trigger, 1377 .pointer = snd_via8233_pcm_pointer, 1378 }; 1379 1380 /* via823x multi-channel playback callbacks */ 1381 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1382 .open = snd_via8233_multi_open, 1383 .close = snd_via82xx_pcm_close, 1384 .hw_params = snd_via82xx_hw_params, 1385 .hw_free = snd_via82xx_hw_free, 1386 .prepare = snd_via8233_multi_prepare, 1387 .trigger = snd_via82xx_pcm_trigger, 1388 .pointer = snd_via8233_pcm_pointer, 1389 }; 1390 1391 /* via823x capture callbacks */ 1392 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1393 .open = snd_via82xx_capture_open, 1394 .close = snd_via82xx_pcm_close, 1395 .hw_params = snd_via82xx_hw_params, 1396 .hw_free = snd_via82xx_hw_free, 1397 .prepare = snd_via8233_capture_prepare, 1398 .trigger = snd_via82xx_pcm_trigger, 1399 .pointer = snd_via8233_pcm_pointer, 1400 }; 1401 1402 1403 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1404 int shadow_pos, int direction) 1405 { 1406 chip->devs[idx].reg_offset = reg_offset; 1407 chip->devs[idx].shadow_shift = shadow_pos * 4; 1408 chip->devs[idx].direction = direction; 1409 chip->devs[idx].port = chip->port + reg_offset; 1410 } 1411 1412 /* 1413 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1414 */ 1415 static int snd_via8233_pcm_new(struct via82xx *chip) 1416 { 1417 struct snd_pcm *pcm; 1418 struct snd_pcm_chmap *chmap; 1419 int i, err; 1420 1421 chip->playback_devno = 0; /* x 4 */ 1422 chip->multi_devno = 4; /* x 1 */ 1423 chip->capture_devno = 5; /* x 2 */ 1424 chip->num_devs = 7; 1425 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1426 1427 /* PCM #0: 4 DSX playbacks and 1 capture */ 1428 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1429 if (err < 0) 1430 return err; 1431 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1432 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1433 pcm->private_data = chip; 1434 strcpy(pcm->name, chip->card->shortname); 1435 chip->pcms[0] = pcm; 1436 /* set up playbacks */ 1437 for (i = 0; i < 4; i++) 1438 init_viadev(chip, i, 0x10 * i, i, 0); 1439 /* capture */ 1440 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1441 1442 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1443 &chip->pci->dev, 1444 64*1024, VIA_MAX_BUFSIZE); 1445 1446 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1447 snd_pcm_std_chmaps, 2, 0, 1448 &chmap); 1449 if (err < 0) 1450 return err; 1451 1452 /* PCM #1: multi-channel playback and 2nd capture */ 1453 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1454 if (err < 0) 1455 return err; 1456 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1457 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1458 pcm->private_data = chip; 1459 strcpy(pcm->name, chip->card->shortname); 1460 chip->pcms[1] = pcm; 1461 /* set up playback */ 1462 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1463 /* set up capture */ 1464 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1465 1466 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1467 &chip->pci->dev, 1468 64*1024, VIA_MAX_BUFSIZE); 1469 1470 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1471 snd_pcm_alt_chmaps, 6, 0, 1472 &chmap); 1473 if (err < 0) 1474 return err; 1475 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1476 1477 return 0; 1478 } 1479 1480 /* 1481 * create pcm instances for VIA8233A 1482 */ 1483 static int snd_via8233a_pcm_new(struct via82xx *chip) 1484 { 1485 struct snd_pcm *pcm; 1486 struct snd_pcm_chmap *chmap; 1487 int err; 1488 1489 chip->multi_devno = 0; 1490 chip->playback_devno = 1; 1491 chip->capture_devno = 2; 1492 chip->num_devs = 3; 1493 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1494 1495 /* PCM #0: multi-channel playback and capture */ 1496 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1497 if (err < 0) 1498 return err; 1499 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1500 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1501 pcm->private_data = chip; 1502 strcpy(pcm->name, chip->card->shortname); 1503 chip->pcms[0] = pcm; 1504 /* set up playback */ 1505 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1506 /* capture */ 1507 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1508 1509 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1510 &chip->pci->dev, 1511 64*1024, VIA_MAX_BUFSIZE); 1512 1513 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1514 snd_pcm_alt_chmaps, 6, 0, 1515 &chmap); 1516 if (err < 0) 1517 return err; 1518 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1519 1520 /* SPDIF supported? */ 1521 if (! ac97_can_spdif(chip->ac97)) 1522 return 0; 1523 1524 /* PCM #1: DXS3 playback (for spdif) */ 1525 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1526 if (err < 0) 1527 return err; 1528 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1529 pcm->private_data = chip; 1530 strcpy(pcm->name, chip->card->shortname); 1531 chip->pcms[1] = pcm; 1532 /* set up playback */ 1533 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1534 1535 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1536 &chip->pci->dev, 1537 64*1024, VIA_MAX_BUFSIZE); 1538 return 0; 1539 } 1540 1541 /* 1542 * create a pcm instance for via686a/b 1543 */ 1544 static int snd_via686_pcm_new(struct via82xx *chip) 1545 { 1546 struct snd_pcm *pcm; 1547 int err; 1548 1549 chip->playback_devno = 0; 1550 chip->capture_devno = 1; 1551 chip->num_devs = 2; 1552 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1553 1554 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1555 if (err < 0) 1556 return err; 1557 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1558 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1559 pcm->private_data = chip; 1560 strcpy(pcm->name, chip->card->shortname); 1561 chip->pcms[0] = pcm; 1562 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1563 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1564 1565 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1566 &chip->pci->dev, 1567 64*1024, VIA_MAX_BUFSIZE); 1568 return 0; 1569 } 1570 1571 1572 /* 1573 * Mixer part 1574 */ 1575 1576 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1577 struct snd_ctl_elem_info *uinfo) 1578 { 1579 /* formerly they were "Line" and "Mic", but it looks like that they 1580 * have nothing to do with the actual physical connections... 1581 */ 1582 static const char * const texts[2] = { 1583 "Input1", "Input2" 1584 }; 1585 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1586 } 1587 1588 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1589 struct snd_ctl_elem_value *ucontrol) 1590 { 1591 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1592 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1593 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1594 return 0; 1595 } 1596 1597 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1598 struct snd_ctl_elem_value *ucontrol) 1599 { 1600 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1601 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1602 u8 val, oval; 1603 1604 spin_lock_irq(&chip->reg_lock); 1605 oval = inb(port); 1606 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1607 if (ucontrol->value.enumerated.item[0]) 1608 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1609 if (val != oval) 1610 outb(val, port); 1611 spin_unlock_irq(&chip->reg_lock); 1612 return val != oval; 1613 } 1614 1615 static struct snd_kcontrol_new snd_via8233_capture_source = { 1616 .name = "Input Source Select", 1617 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1618 .info = snd_via8233_capture_source_info, 1619 .get = snd_via8233_capture_source_get, 1620 .put = snd_via8233_capture_source_put, 1621 }; 1622 1623 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1624 1625 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1626 struct snd_ctl_elem_value *ucontrol) 1627 { 1628 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1629 u8 val; 1630 1631 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1632 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1633 return 0; 1634 } 1635 1636 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1637 struct snd_ctl_elem_value *ucontrol) 1638 { 1639 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1640 u8 val, oval; 1641 1642 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1643 val = oval & ~VIA8233_SPDIF_DX3; 1644 if (ucontrol->value.integer.value[0]) 1645 val |= VIA8233_SPDIF_DX3; 1646 /* save the spdif flag for rate filtering */ 1647 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1648 if (val != oval) { 1649 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1650 return 1; 1651 } 1652 return 0; 1653 } 1654 1655 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1656 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1657 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1658 .info = snd_via8233_dxs3_spdif_info, 1659 .get = snd_via8233_dxs3_spdif_get, 1660 .put = snd_via8233_dxs3_spdif_put, 1661 }; 1662 1663 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1664 struct snd_ctl_elem_info *uinfo) 1665 { 1666 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1667 uinfo->count = 2; 1668 uinfo->value.integer.min = 0; 1669 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1670 return 0; 1671 } 1672 1673 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1674 struct snd_ctl_elem_value *ucontrol) 1675 { 1676 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1677 unsigned int idx = kcontrol->id.subdevice; 1678 1679 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1680 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1681 return 0; 1682 } 1683 1684 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1685 struct snd_ctl_elem_value *ucontrol) 1686 { 1687 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1688 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1689 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1690 return 0; 1691 } 1692 1693 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1694 struct snd_ctl_elem_value *ucontrol) 1695 { 1696 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1697 unsigned int idx = kcontrol->id.subdevice; 1698 unsigned long port = chip->port + 0x10 * idx; 1699 unsigned char val; 1700 int i, change = 0; 1701 1702 for (i = 0; i < 2; i++) { 1703 val = ucontrol->value.integer.value[i]; 1704 if (val > VIA_DXS_MAX_VOLUME) 1705 val = VIA_DXS_MAX_VOLUME; 1706 val = VIA_DXS_MAX_VOLUME - val; 1707 change |= val != chip->playback_volume[idx][i]; 1708 if (change) { 1709 chip->playback_volume[idx][i] = val; 1710 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1711 } 1712 } 1713 return change; 1714 } 1715 1716 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1717 struct snd_ctl_elem_value *ucontrol) 1718 { 1719 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1720 unsigned int idx; 1721 unsigned char val; 1722 int i, change = 0; 1723 1724 for (i = 0; i < 2; i++) { 1725 val = ucontrol->value.integer.value[i]; 1726 if (val > VIA_DXS_MAX_VOLUME) 1727 val = VIA_DXS_MAX_VOLUME; 1728 val = VIA_DXS_MAX_VOLUME - val; 1729 if (val != chip->playback_volume_c[i]) { 1730 change = 1; 1731 chip->playback_volume_c[i] = val; 1732 for (idx = 0; idx < 4; idx++) { 1733 unsigned long port = chip->port + 0x10 * idx; 1734 chip->playback_volume[idx][i] = val; 1735 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1736 } 1737 } 1738 } 1739 return change; 1740 } 1741 1742 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1743 1744 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1745 .name = "PCM Playback Volume", 1746 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1747 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1748 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1749 .info = snd_via8233_dxs_volume_info, 1750 .get = snd_via8233_pcmdxs_volume_get, 1751 .put = snd_via8233_pcmdxs_volume_put, 1752 .tlv = { .p = db_scale_dxs } 1753 }; 1754 1755 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1756 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1757 .device = 0, 1758 /* .subdevice set later */ 1759 .name = "PCM Playback Volume", 1760 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1761 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1762 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1763 .info = snd_via8233_dxs_volume_info, 1764 .get = snd_via8233_dxs_volume_get, 1765 .put = snd_via8233_dxs_volume_put, 1766 .tlv = { .p = db_scale_dxs } 1767 }; 1768 1769 /* 1770 */ 1771 1772 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1773 { 1774 struct via82xx *chip = bus->private_data; 1775 chip->ac97_bus = NULL; 1776 } 1777 1778 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1779 { 1780 struct via82xx *chip = ac97->private_data; 1781 chip->ac97 = NULL; 1782 } 1783 1784 static const struct ac97_quirk ac97_quirks[] = { 1785 { 1786 .subvendor = 0x1106, 1787 .subdevice = 0x4161, 1788 .codec_id = 0x56494161, /* VT1612A */ 1789 .name = "Soltek SL-75DRV5", 1790 .type = AC97_TUNE_NONE 1791 }, 1792 { /* FIXME: which codec? */ 1793 .subvendor = 0x1106, 1794 .subdevice = 0x4161, 1795 .name = "ASRock K7VT2", 1796 .type = AC97_TUNE_HP_ONLY 1797 }, 1798 { 1799 .subvendor = 0x110a, 1800 .subdevice = 0x0079, 1801 .name = "Fujitsu Siemens D1289", 1802 .type = AC97_TUNE_HP_ONLY 1803 }, 1804 { 1805 .subvendor = 0x1019, 1806 .subdevice = 0x0a81, 1807 .name = "ECS K7VTA3", 1808 .type = AC97_TUNE_HP_ONLY 1809 }, 1810 { 1811 .subvendor = 0x1019, 1812 .subdevice = 0x0a85, 1813 .name = "ECS L7VMM2", 1814 .type = AC97_TUNE_HP_ONLY 1815 }, 1816 { 1817 .subvendor = 0x1019, 1818 .subdevice = 0x1841, 1819 .name = "ECS K7VTA3", 1820 .type = AC97_TUNE_HP_ONLY 1821 }, 1822 { 1823 .subvendor = 0x1849, 1824 .subdevice = 0x3059, 1825 .name = "ASRock K7VM2", 1826 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1827 }, 1828 { 1829 .subvendor = 0x14cd, 1830 .subdevice = 0x7002, 1831 .name = "Unknown", 1832 .type = AC97_TUNE_ALC_JACK 1833 }, 1834 { 1835 .subvendor = 0x1071, 1836 .subdevice = 0x8590, 1837 .name = "Mitac Mobo", 1838 .type = AC97_TUNE_ALC_JACK 1839 }, 1840 { 1841 .subvendor = 0x161f, 1842 .subdevice = 0x202b, 1843 .name = "Arima Notebook", 1844 .type = AC97_TUNE_HP_ONLY, 1845 }, 1846 { 1847 .subvendor = 0x161f, 1848 .subdevice = 0x2032, 1849 .name = "Targa Traveller 811", 1850 .type = AC97_TUNE_HP_ONLY, 1851 }, 1852 { 1853 .subvendor = 0x161f, 1854 .subdevice = 0x2032, 1855 .name = "m680x", 1856 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1857 }, 1858 { 1859 .subvendor = 0x1297, 1860 .subdevice = 0xa232, 1861 .name = "Shuttle AK32VN", 1862 .type = AC97_TUNE_HP_ONLY 1863 }, 1864 { } /* terminator */ 1865 }; 1866 1867 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1868 { 1869 struct snd_ac97_template ac97; 1870 int err; 1871 static const struct snd_ac97_bus_ops ops = { 1872 .write = snd_via82xx_codec_write, 1873 .read = snd_via82xx_codec_read, 1874 .wait = snd_via82xx_codec_wait, 1875 }; 1876 1877 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1878 return err; 1879 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1880 chip->ac97_bus->clock = chip->ac97_clock; 1881 1882 memset(&ac97, 0, sizeof(ac97)); 1883 ac97.private_data = chip; 1884 ac97.private_free = snd_via82xx_mixer_free_ac97; 1885 ac97.pci = chip->pci; 1886 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1887 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1888 return err; 1889 1890 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1891 1892 if (chip->chip_type != TYPE_VIA686) { 1893 /* use slot 10/11 */ 1894 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1895 } 1896 1897 return 0; 1898 } 1899 1900 #ifdef SUPPORT_JOYSTICK 1901 #define JOYSTICK_ADDR 0x200 1902 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1903 { 1904 struct gameport *gp; 1905 struct resource *r; 1906 1907 if (!joystick) 1908 return -ENODEV; 1909 1910 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1911 if (!r) { 1912 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1913 JOYSTICK_ADDR); 1914 return -EBUSY; 1915 } 1916 1917 chip->gameport = gp = gameport_allocate_port(); 1918 if (!gp) { 1919 dev_err(chip->card->dev, 1920 "cannot allocate memory for gameport\n"); 1921 release_and_free_resource(r); 1922 return -ENOMEM; 1923 } 1924 1925 gameport_set_name(gp, "VIA686 Gameport"); 1926 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1927 gameport_set_dev_parent(gp, &chip->pci->dev); 1928 gp->io = JOYSTICK_ADDR; 1929 gameport_set_port_data(gp, r); 1930 1931 /* Enable legacy joystick port */ 1932 *legacy |= VIA_FUNC_ENABLE_GAME; 1933 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1934 1935 gameport_register_port(chip->gameport); 1936 1937 return 0; 1938 } 1939 1940 static void snd_via686_free_gameport(struct via82xx *chip) 1941 { 1942 if (chip->gameport) { 1943 struct resource *r = gameport_get_port_data(chip->gameport); 1944 1945 gameport_unregister_port(chip->gameport); 1946 chip->gameport = NULL; 1947 release_and_free_resource(r); 1948 } 1949 } 1950 #else 1951 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1952 { 1953 return -ENOSYS; 1954 } 1955 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1956 #endif 1957 1958 1959 /* 1960 * 1961 */ 1962 1963 static int snd_via8233_init_misc(struct via82xx *chip) 1964 { 1965 int i, err, caps; 1966 unsigned char val; 1967 1968 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1969 for (i = 0; i < caps; i++) { 1970 snd_via8233_capture_source.index = i; 1971 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1972 if (err < 0) 1973 return err; 1974 } 1975 if (ac97_can_spdif(chip->ac97)) { 1976 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1977 if (err < 0) 1978 return err; 1979 } 1980 if (chip->chip_type != TYPE_VIA8233A) { 1981 /* when no h/w PCM volume control is found, use DXS volume control 1982 * as the PCM vol control 1983 */ 1984 struct snd_ctl_elem_id sid; 1985 memset(&sid, 0, sizeof(sid)); 1986 strcpy(sid.name, "PCM Playback Volume"); 1987 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1988 if (! snd_ctl_find_id(chip->card, &sid)) { 1989 dev_info(chip->card->dev, 1990 "Using DXS as PCM Playback\n"); 1991 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1992 if (err < 0) 1993 return err; 1994 } 1995 else /* Using DXS when PCM emulation is enabled is really weird */ 1996 { 1997 for (i = 0; i < 4; ++i) { 1998 struct snd_kcontrol *kctl; 1999 2000 kctl = snd_ctl_new1( 2001 &snd_via8233_dxs_volume_control, chip); 2002 if (!kctl) 2003 return -ENOMEM; 2004 kctl->id.subdevice = i; 2005 err = snd_ctl_add(chip->card, kctl); 2006 if (err < 0) 2007 return err; 2008 chip->dxs_controls[i] = kctl; 2009 } 2010 } 2011 } 2012 /* select spdif data slot 10/11 */ 2013 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2014 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2015 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2016 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2017 2018 return 0; 2019 } 2020 2021 static int snd_via686_init_misc(struct via82xx *chip) 2022 { 2023 unsigned char legacy, legacy_cfg; 2024 int rev_h = 0; 2025 2026 legacy = chip->old_legacy; 2027 legacy_cfg = chip->old_legacy_cfg; 2028 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2029 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2030 if (chip->revision >= VIA_REV_686_H) { 2031 rev_h = 1; 2032 if (mpu_port >= 0x200) { /* force MIDI */ 2033 mpu_port &= 0xfffc; 2034 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2035 #ifdef CONFIG_PM_SLEEP 2036 chip->mpu_port_saved = mpu_port; 2037 #endif 2038 } else { 2039 mpu_port = pci_resource_start(chip->pci, 2); 2040 } 2041 } else { 2042 switch (mpu_port) { /* force MIDI */ 2043 case 0x300: 2044 case 0x310: 2045 case 0x320: 2046 case 0x330: 2047 legacy_cfg &= ~(3 << 2); 2048 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2049 break; 2050 default: /* no, use BIOS settings */ 2051 if (legacy & VIA_FUNC_ENABLE_MIDI) 2052 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2053 break; 2054 } 2055 } 2056 if (mpu_port >= 0x200 && 2057 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2058 != NULL) { 2059 if (rev_h) 2060 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2061 legacy |= VIA_FUNC_ENABLE_MIDI; 2062 } else { 2063 if (rev_h) 2064 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2065 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2066 mpu_port = 0; 2067 } 2068 2069 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2070 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2071 if (chip->mpu_res) { 2072 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2073 mpu_port, MPU401_INFO_INTEGRATED | 2074 MPU401_INFO_IRQ_HOOK, -1, 2075 &chip->rmidi) < 0) { 2076 dev_warn(chip->card->dev, 2077 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2078 mpu_port); 2079 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2080 } else { 2081 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2082 } 2083 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2084 } 2085 2086 snd_via686_create_gameport(chip, &legacy); 2087 2088 #ifdef CONFIG_PM_SLEEP 2089 chip->legacy_saved = legacy; 2090 chip->legacy_cfg_saved = legacy_cfg; 2091 #endif 2092 2093 return 0; 2094 } 2095 2096 2097 /* 2098 * proc interface 2099 */ 2100 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2101 struct snd_info_buffer *buffer) 2102 { 2103 struct via82xx *chip = entry->private_data; 2104 int i; 2105 2106 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2107 for (i = 0; i < 0xa0; i += 4) { 2108 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2109 } 2110 } 2111 2112 static void snd_via82xx_proc_init(struct via82xx *chip) 2113 { 2114 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2115 snd_via82xx_proc_read); 2116 } 2117 2118 /* 2119 * 2120 */ 2121 2122 static int snd_via82xx_chip_init(struct via82xx *chip) 2123 { 2124 unsigned int val; 2125 unsigned long end_time; 2126 unsigned char pval; 2127 2128 #if 0 /* broken on K7M? */ 2129 if (chip->chip_type == TYPE_VIA686) 2130 /* disable all legacy ports */ 2131 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2132 #endif 2133 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2134 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2135 /* deassert ACLink reset, force SYNC */ 2136 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2137 VIA_ACLINK_CTRL_ENABLE | 2138 VIA_ACLINK_CTRL_RESET | 2139 VIA_ACLINK_CTRL_SYNC); 2140 udelay(100); 2141 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2142 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2143 udelay(100); 2144 #else 2145 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2146 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2147 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2148 udelay(2); 2149 #endif 2150 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2151 /* note - FM data out has trouble with non VRA codecs !! */ 2152 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2153 udelay(100); 2154 } 2155 2156 /* Make sure VRA is enabled, in case we didn't do a 2157 * complete codec reset, above */ 2158 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2159 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2160 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2161 /* note - FM data out has trouble with non VRA codecs !! */ 2162 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2163 udelay(100); 2164 } 2165 2166 /* wait until codec ready */ 2167 end_time = jiffies + msecs_to_jiffies(750); 2168 do { 2169 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2170 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2171 break; 2172 schedule_timeout_uninterruptible(1); 2173 } while (time_before(jiffies, end_time)); 2174 2175 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2176 dev_err(chip->card->dev, 2177 "AC'97 codec is not ready [0x%x]\n", val); 2178 2179 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2180 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2181 VIA_REG_AC97_SECONDARY_VALID | 2182 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2183 end_time = jiffies + msecs_to_jiffies(750); 2184 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2185 VIA_REG_AC97_SECONDARY_VALID | 2186 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2187 do { 2188 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2189 chip->ac97_secondary = 1; 2190 goto __ac97_ok2; 2191 } 2192 schedule_timeout_uninterruptible(1); 2193 } while (time_before(jiffies, end_time)); 2194 /* This is ok, the most of motherboards have only one codec */ 2195 2196 __ac97_ok2: 2197 #endif 2198 2199 if (chip->chip_type == TYPE_VIA686) { 2200 /* route FM trap to IRQ, disable FM trap */ 2201 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2202 /* disable all GPI interrupts */ 2203 outl(0, VIAREG(chip, GPI_INTR)); 2204 } 2205 2206 if (chip->chip_type != TYPE_VIA686) { 2207 /* Workaround for Award BIOS bug: 2208 * DXS channels don't work properly with VRA if MC97 is disabled. 2209 */ 2210 struct pci_dev *pci; 2211 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2212 if (pci) { 2213 unsigned char data; 2214 pci_read_config_byte(pci, 0x44, &data); 2215 pci_write_config_byte(pci, 0x44, data | 0x40); 2216 pci_dev_put(pci); 2217 } 2218 } 2219 2220 if (chip->chip_type != TYPE_VIA8233A) { 2221 int i, idx; 2222 for (idx = 0; idx < 4; idx++) { 2223 unsigned long port = chip->port + 0x10 * idx; 2224 for (i = 0; i < 2; i++) { 2225 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2226 outb(chip->playback_volume_c[i], 2227 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2228 } 2229 } 2230 } 2231 2232 return 0; 2233 } 2234 2235 #ifdef CONFIG_PM_SLEEP 2236 /* 2237 * power management 2238 */ 2239 static int snd_via82xx_suspend(struct device *dev) 2240 { 2241 struct snd_card *card = dev_get_drvdata(dev); 2242 struct via82xx *chip = card->private_data; 2243 int i; 2244 2245 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2246 for (i = 0; i < chip->num_devs; i++) 2247 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2248 snd_ac97_suspend(chip->ac97); 2249 2250 /* save misc values */ 2251 if (chip->chip_type != TYPE_VIA686) { 2252 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2253 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2254 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2255 } 2256 2257 return 0; 2258 } 2259 2260 static int snd_via82xx_resume(struct device *dev) 2261 { 2262 struct snd_card *card = dev_get_drvdata(dev); 2263 struct via82xx *chip = card->private_data; 2264 int i; 2265 2266 snd_via82xx_chip_init(chip); 2267 2268 if (chip->chip_type == TYPE_VIA686) { 2269 if (chip->mpu_port_saved) 2270 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2271 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2272 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2273 } else { 2274 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2275 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2276 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2277 } 2278 2279 snd_ac97_resume(chip->ac97); 2280 2281 for (i = 0; i < chip->num_devs; i++) 2282 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2283 2284 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2285 return 0; 2286 } 2287 2288 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2289 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2290 #else 2291 #define SND_VIA82XX_PM_OPS NULL 2292 #endif /* CONFIG_PM_SLEEP */ 2293 2294 static int snd_via82xx_free(struct via82xx *chip) 2295 { 2296 unsigned int i; 2297 2298 if (chip->irq < 0) 2299 goto __end_hw; 2300 /* disable interrupts */ 2301 for (i = 0; i < chip->num_devs; i++) 2302 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2303 2304 if (chip->irq >= 0) 2305 free_irq(chip->irq, chip); 2306 __end_hw: 2307 release_and_free_resource(chip->mpu_res); 2308 pci_release_regions(chip->pci); 2309 2310 if (chip->chip_type == TYPE_VIA686) { 2311 snd_via686_free_gameport(chip); 2312 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2313 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2314 } 2315 pci_disable_device(chip->pci); 2316 kfree(chip); 2317 return 0; 2318 } 2319 2320 static int snd_via82xx_dev_free(struct snd_device *device) 2321 { 2322 struct via82xx *chip = device->device_data; 2323 return snd_via82xx_free(chip); 2324 } 2325 2326 static int snd_via82xx_create(struct snd_card *card, 2327 struct pci_dev *pci, 2328 int chip_type, 2329 int revision, 2330 unsigned int ac97_clock, 2331 struct via82xx **r_via) 2332 { 2333 struct via82xx *chip; 2334 int err; 2335 static const struct snd_device_ops ops = { 2336 .dev_free = snd_via82xx_dev_free, 2337 }; 2338 2339 if ((err = pci_enable_device(pci)) < 0) 2340 return err; 2341 2342 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2343 pci_disable_device(pci); 2344 return -ENOMEM; 2345 } 2346 2347 chip->chip_type = chip_type; 2348 chip->revision = revision; 2349 2350 spin_lock_init(&chip->reg_lock); 2351 spin_lock_init(&chip->rates[0].lock); 2352 spin_lock_init(&chip->rates[1].lock); 2353 chip->card = card; 2354 chip->pci = pci; 2355 chip->irq = -1; 2356 2357 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2358 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2359 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2360 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2361 2362 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2363 kfree(chip); 2364 pci_disable_device(pci); 2365 return err; 2366 } 2367 chip->port = pci_resource_start(pci, 0); 2368 if (request_irq(pci->irq, 2369 chip_type == TYPE_VIA8233 ? 2370 snd_via8233_interrupt : snd_via686_interrupt, 2371 IRQF_SHARED, 2372 KBUILD_MODNAME, chip)) { 2373 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2374 snd_via82xx_free(chip); 2375 return -EBUSY; 2376 } 2377 chip->irq = pci->irq; 2378 card->sync_irq = chip->irq; 2379 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2380 chip->ac97_clock = ac97_clock; 2381 2382 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2383 snd_via82xx_free(chip); 2384 return err; 2385 } 2386 2387 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2388 snd_via82xx_free(chip); 2389 return err; 2390 } 2391 2392 /* The 8233 ac97 controller does not implement the master bit 2393 * in the pci command register. IMHO this is a violation of the PCI spec. 2394 * We call pci_set_master here because it does not hurt. */ 2395 pci_set_master(pci); 2396 2397 *r_via = chip; 2398 return 0; 2399 } 2400 2401 struct via823x_info { 2402 int revision; 2403 char *name; 2404 int type; 2405 }; 2406 static const struct via823x_info via823x_cards[] = { 2407 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2408 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2409 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2410 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2411 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2412 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2413 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2414 }; 2415 2416 /* 2417 * auto detection of DXS channel supports. 2418 */ 2419 2420 static const struct snd_pci_quirk dxs_whitelist[] = { 2421 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2422 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2423 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2424 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2425 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2426 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2427 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2428 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2429 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2430 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2431 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2432 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2433 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2434 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2435 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2436 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2437 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2438 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2439 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2440 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2441 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2442 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2443 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2444 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2445 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2446 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2447 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2448 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2449 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2450 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2451 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2452 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2453 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2454 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2455 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2456 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2457 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2458 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2459 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2460 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2461 { } /* terminator */ 2462 }; 2463 2464 static int check_dxs_list(struct pci_dev *pci, int revision) 2465 { 2466 const struct snd_pci_quirk *w; 2467 2468 w = snd_pci_quirk_lookup(pci, dxs_whitelist); 2469 if (w) { 2470 dev_dbg(&pci->dev, "DXS white list for %s found\n", 2471 snd_pci_quirk_name(w)); 2472 return w->value; 2473 } 2474 2475 /* for newer revision, default to DXS_SRC */ 2476 if (revision >= VIA_REV_8235) 2477 return VIA_DXS_SRC; 2478 2479 /* 2480 * not detected, try 48k rate only to be sure. 2481 */ 2482 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2483 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2484 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2485 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2486 return VIA_DXS_48K; 2487 }; 2488 2489 static int snd_via82xx_probe(struct pci_dev *pci, 2490 const struct pci_device_id *pci_id) 2491 { 2492 struct snd_card *card; 2493 struct via82xx *chip; 2494 int chip_type = 0, card_type; 2495 unsigned int i; 2496 int err; 2497 2498 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2499 if (err < 0) 2500 return err; 2501 2502 card_type = pci_id->driver_data; 2503 switch (card_type) { 2504 case TYPE_CARD_VIA686: 2505 strcpy(card->driver, "VIA686A"); 2506 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2507 chip_type = TYPE_VIA686; 2508 break; 2509 case TYPE_CARD_VIA8233: 2510 chip_type = TYPE_VIA8233; 2511 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2512 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2513 if (pci->revision == via823x_cards[i].revision) { 2514 chip_type = via823x_cards[i].type; 2515 strcpy(card->shortname, via823x_cards[i].name); 2516 break; 2517 } 2518 } 2519 if (chip_type != TYPE_VIA8233A) { 2520 if (dxs_support == VIA_DXS_AUTO) 2521 dxs_support = check_dxs_list(pci, pci->revision); 2522 /* force to use VIA8233 or 8233A model according to 2523 * dxs_support module option 2524 */ 2525 if (dxs_support == VIA_DXS_DISABLE) 2526 chip_type = TYPE_VIA8233A; 2527 else 2528 chip_type = TYPE_VIA8233; 2529 } 2530 if (chip_type == TYPE_VIA8233A) 2531 strcpy(card->driver, "VIA8233A"); 2532 else if (pci->revision >= VIA_REV_8237) 2533 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2534 else 2535 strcpy(card->driver, "VIA8233"); 2536 break; 2537 default: 2538 dev_err(card->dev, "invalid card type %d\n", card_type); 2539 err = -EINVAL; 2540 goto __error; 2541 } 2542 2543 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2544 ac97_clock, &chip)) < 0) 2545 goto __error; 2546 card->private_data = chip; 2547 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2548 goto __error; 2549 2550 if (chip_type == TYPE_VIA686) { 2551 if ((err = snd_via686_pcm_new(chip)) < 0 || 2552 (err = snd_via686_init_misc(chip)) < 0) 2553 goto __error; 2554 } else { 2555 if (chip_type == TYPE_VIA8233A) { 2556 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2557 goto __error; 2558 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2559 } else { 2560 if ((err = snd_via8233_pcm_new(chip)) < 0) 2561 goto __error; 2562 if (dxs_support == VIA_DXS_48K) 2563 chip->dxs_fixed = 1; 2564 else if (dxs_support == VIA_DXS_NO_VRA) 2565 chip->no_vra = 1; 2566 else if (dxs_support == VIA_DXS_SRC) { 2567 chip->no_vra = 1; 2568 chip->dxs_src = 1; 2569 } 2570 } 2571 if ((err = snd_via8233_init_misc(chip)) < 0) 2572 goto __error; 2573 } 2574 2575 /* disable interrupts */ 2576 for (i = 0; i < chip->num_devs; i++) 2577 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2578 2579 snprintf(card->longname, sizeof(card->longname), 2580 "%s with %s at %#lx, irq %d", card->shortname, 2581 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2582 2583 snd_via82xx_proc_init(chip); 2584 2585 if ((err = snd_card_register(card)) < 0) { 2586 snd_card_free(card); 2587 return err; 2588 } 2589 pci_set_drvdata(pci, card); 2590 return 0; 2591 2592 __error: 2593 snd_card_free(card); 2594 return err; 2595 } 2596 2597 static void snd_via82xx_remove(struct pci_dev *pci) 2598 { 2599 snd_card_free(pci_get_drvdata(pci)); 2600 } 2601 2602 static struct pci_driver via82xx_driver = { 2603 .name = KBUILD_MODNAME, 2604 .id_table = snd_via82xx_ids, 2605 .probe = snd_via82xx_probe, 2606 .remove = snd_via82xx_remove, 2607 .driver = { 2608 .pm = SND_VIA82XX_PM_OPS, 2609 }, 2610 }; 2611 2612 module_pci_driver(via82xx_driver); 2613