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 60 #if IS_REACHABLE(CONFIG_GAMEPORT) 61 #define SUPPORT_JOYSTICK 1 62 #endif 63 64 static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */ 65 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */ 66 static long mpu_port; 67 #ifdef SUPPORT_JOYSTICK 68 static bool joystick; 69 #endif 70 static int ac97_clock = 48000; 71 static char *ac97_quirk; 72 static int dxs_support; 73 static int dxs_init_volume = 31; 74 static int nodelay; 75 76 module_param(index, int, 0444); 77 MODULE_PARM_DESC(index, "Index value for VIA 82xx bridge."); 78 module_param(id, charp, 0444); 79 MODULE_PARM_DESC(id, "ID string for VIA 82xx bridge."); 80 module_param_hw(mpu_port, long, ioport, 0444); 81 MODULE_PARM_DESC(mpu_port, "MPU-401 port. (VT82C686x only)"); 82 #ifdef SUPPORT_JOYSTICK 83 module_param(joystick, bool, 0444); 84 MODULE_PARM_DESC(joystick, "Enable joystick. (VT82C686x only)"); 85 #endif 86 module_param(ac97_clock, int, 0444); 87 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz)."); 88 module_param(ac97_quirk, charp, 0444); 89 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware."); 90 module_param(dxs_support, int, 0444); 91 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)"); 92 module_param(dxs_init_volume, int, 0644); 93 MODULE_PARM_DESC(dxs_init_volume, "initial DXS volume (0-31)"); 94 module_param(nodelay, int, 0444); 95 MODULE_PARM_DESC(nodelay, "Disable 500ms init delay"); 96 97 /* just for backward compatibility */ 98 static bool enable; 99 module_param(enable, bool, 0444); 100 101 102 /* revision numbers for via686 */ 103 #define VIA_REV_686_A 0x10 104 #define VIA_REV_686_B 0x11 105 #define VIA_REV_686_C 0x12 106 #define VIA_REV_686_D 0x13 107 #define VIA_REV_686_E 0x14 108 #define VIA_REV_686_H 0x20 109 110 /* revision numbers for via8233 */ 111 #define VIA_REV_PRE_8233 0x10 /* not in market */ 112 #define VIA_REV_8233C 0x20 /* 2 rec, 4 pb, 1 multi-pb */ 113 #define VIA_REV_8233 0x30 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 114 #define VIA_REV_8233A 0x40 /* 1 rec, 1 multi-pb, spdf */ 115 #define VIA_REV_8235 0x50 /* 2 rec, 4 pb, 1 multi-pb, spdif */ 116 #define VIA_REV_8237 0x60 117 #define VIA_REV_8251 0x70 118 119 /* 120 * Direct registers 121 */ 122 123 #define VIAREG(via, x) ((via)->port + VIA_REG_##x) 124 #define VIADEV_REG(viadev, x) ((viadev)->port + VIA_REG_##x) 125 126 /* common offsets */ 127 #define VIA_REG_OFFSET_STATUS 0x00 /* byte - channel status */ 128 #define VIA_REG_STAT_ACTIVE 0x80 /* RO */ 129 #define VIA8233_SHADOW_STAT_ACTIVE 0x08 /* RO */ 130 #define VIA_REG_STAT_PAUSED 0x40 /* RO */ 131 #define VIA_REG_STAT_TRIGGER_QUEUED 0x08 /* RO */ 132 #define VIA_REG_STAT_STOPPED 0x04 /* RWC */ 133 #define VIA_REG_STAT_EOL 0x02 /* RWC */ 134 #define VIA_REG_STAT_FLAG 0x01 /* RWC */ 135 #define VIA_REG_OFFSET_CONTROL 0x01 /* byte - channel control */ 136 #define VIA_REG_CTRL_START 0x80 /* WO */ 137 #define VIA_REG_CTRL_TERMINATE 0x40 /* WO */ 138 #define VIA_REG_CTRL_AUTOSTART 0x20 139 #define VIA_REG_CTRL_PAUSE 0x08 /* RW */ 140 #define VIA_REG_CTRL_INT_STOP 0x04 141 #define VIA_REG_CTRL_INT_EOL 0x02 142 #define VIA_REG_CTRL_INT_FLAG 0x01 143 #define VIA_REG_CTRL_RESET 0x01 /* RW - probably reset? undocumented */ 144 #define VIA_REG_CTRL_INT (VIA_REG_CTRL_INT_FLAG | VIA_REG_CTRL_INT_EOL | VIA_REG_CTRL_AUTOSTART) 145 #define VIA_REG_OFFSET_TYPE 0x02 /* byte - channel type (686 only) */ 146 #define VIA_REG_TYPE_AUTOSTART 0x80 /* RW - autostart at EOL */ 147 #define VIA_REG_TYPE_16BIT 0x20 /* RW */ 148 #define VIA_REG_TYPE_STEREO 0x10 /* RW */ 149 #define VIA_REG_TYPE_INT_LLINE 0x00 150 #define VIA_REG_TYPE_INT_LSAMPLE 0x04 151 #define VIA_REG_TYPE_INT_LESSONE 0x08 152 #define VIA_REG_TYPE_INT_MASK 0x0c 153 #define VIA_REG_TYPE_INT_EOL 0x02 154 #define VIA_REG_TYPE_INT_FLAG 0x01 155 #define VIA_REG_OFFSET_TABLE_PTR 0x04 /* dword - channel table pointer */ 156 #define VIA_REG_OFFSET_CURR_PTR 0x04 /* dword - channel current pointer */ 157 #define VIA_REG_OFFSET_STOP_IDX 0x08 /* dword - stop index, channel type, sample rate */ 158 #define VIA8233_REG_TYPE_16BIT 0x00200000 /* RW */ 159 #define VIA8233_REG_TYPE_STEREO 0x00100000 /* RW */ 160 #define VIA_REG_OFFSET_CURR_COUNT 0x0c /* dword - channel current count (24 bit) */ 161 #define VIA_REG_OFFSET_CURR_INDEX 0x0f /* byte - channel current index (for via8233 only) */ 162 163 #define DEFINE_VIA_REGSET(name,val) \ 164 enum {\ 165 VIA_REG_##name##_STATUS = (val),\ 166 VIA_REG_##name##_CONTROL = (val) + 0x01,\ 167 VIA_REG_##name##_TYPE = (val) + 0x02,\ 168 VIA_REG_##name##_TABLE_PTR = (val) + 0x04,\ 169 VIA_REG_##name##_CURR_PTR = (val) + 0x04,\ 170 VIA_REG_##name##_STOP_IDX = (val) + 0x08,\ 171 VIA_REG_##name##_CURR_COUNT = (val) + 0x0c,\ 172 } 173 174 /* playback block */ 175 DEFINE_VIA_REGSET(PLAYBACK, 0x00); 176 DEFINE_VIA_REGSET(CAPTURE, 0x10); 177 DEFINE_VIA_REGSET(FM, 0x20); 178 179 /* AC'97 */ 180 #define VIA_REG_AC97 0x80 /* dword */ 181 #define VIA_REG_AC97_CODEC_ID_MASK (3<<30) 182 #define VIA_REG_AC97_CODEC_ID_SHIFT 30 183 #define VIA_REG_AC97_CODEC_ID_PRIMARY 0x00 184 #define VIA_REG_AC97_CODEC_ID_SECONDARY 0x01 185 #define VIA_REG_AC97_SECONDARY_VALID (1<<27) 186 #define VIA_REG_AC97_PRIMARY_VALID (1<<25) 187 #define VIA_REG_AC97_BUSY (1<<24) 188 #define VIA_REG_AC97_READ (1<<23) 189 #define VIA_REG_AC97_CMD_SHIFT 16 190 #define VIA_REG_AC97_CMD_MASK 0x7e 191 #define VIA_REG_AC97_DATA_SHIFT 0 192 #define VIA_REG_AC97_DATA_MASK 0xffff 193 194 #define VIA_REG_SGD_SHADOW 0x84 /* dword */ 195 /* via686 */ 196 #define VIA_REG_SGD_STAT_PB_FLAG (1<<0) 197 #define VIA_REG_SGD_STAT_CP_FLAG (1<<1) 198 #define VIA_REG_SGD_STAT_FM_FLAG (1<<2) 199 #define VIA_REG_SGD_STAT_PB_EOL (1<<4) 200 #define VIA_REG_SGD_STAT_CP_EOL (1<<5) 201 #define VIA_REG_SGD_STAT_FM_EOL (1<<6) 202 #define VIA_REG_SGD_STAT_PB_STOP (1<<8) 203 #define VIA_REG_SGD_STAT_CP_STOP (1<<9) 204 #define VIA_REG_SGD_STAT_FM_STOP (1<<10) 205 #define VIA_REG_SGD_STAT_PB_ACTIVE (1<<12) 206 #define VIA_REG_SGD_STAT_CP_ACTIVE (1<<13) 207 #define VIA_REG_SGD_STAT_FM_ACTIVE (1<<14) 208 /* via8233 */ 209 #define VIA8233_REG_SGD_STAT_FLAG (1<<0) 210 #define VIA8233_REG_SGD_STAT_EOL (1<<1) 211 #define VIA8233_REG_SGD_STAT_STOP (1<<2) 212 #define VIA8233_REG_SGD_STAT_ACTIVE (1<<3) 213 #define VIA8233_INTR_MASK(chan) ((VIA8233_REG_SGD_STAT_FLAG|VIA8233_REG_SGD_STAT_EOL) << ((chan) * 4)) 214 #define VIA8233_REG_SGD_CHAN_SDX 0 215 #define VIA8233_REG_SGD_CHAN_MULTI 4 216 #define VIA8233_REG_SGD_CHAN_REC 6 217 #define VIA8233_REG_SGD_CHAN_REC1 7 218 219 #define VIA_REG_GPI_STATUS 0x88 220 #define VIA_REG_GPI_INTR 0x8c 221 222 /* multi-channel and capture registers for via8233 */ 223 DEFINE_VIA_REGSET(MULTPLAY, 0x40); 224 DEFINE_VIA_REGSET(CAPTURE_8233, 0x60); 225 226 /* via8233-specific registers */ 227 #define VIA_REG_OFS_PLAYBACK_VOLUME_L 0x02 /* byte */ 228 #define VIA_REG_OFS_PLAYBACK_VOLUME_R 0x03 /* byte */ 229 #define VIA_REG_OFS_MULTPLAY_FORMAT 0x02 /* byte - format and channels */ 230 #define VIA_REG_MULTPLAY_FMT_8BIT 0x00 231 #define VIA_REG_MULTPLAY_FMT_16BIT 0x80 232 #define VIA_REG_MULTPLAY_FMT_CH_MASK 0x70 /* # channels << 4 (valid = 1,2,4,6) */ 233 #define VIA_REG_OFS_CAPTURE_FIFO 0x02 /* byte - bit 6 = fifo enable */ 234 #define VIA_REG_CAPTURE_FIFO_ENABLE 0x40 235 236 #define VIA_DXS_MAX_VOLUME 31 /* max. volume (attenuation) of reg 0x32/33 */ 237 238 #define VIA_REG_CAPTURE_CHANNEL 0x63 /* byte - input select */ 239 #define VIA_REG_CAPTURE_CHANNEL_MIC 0x4 240 #define VIA_REG_CAPTURE_CHANNEL_LINE 0 241 #define VIA_REG_CAPTURE_SELECT_CODEC 0x03 /* recording source codec (0 = primary) */ 242 243 #define VIA_TBL_BIT_FLAG 0x40000000 244 #define VIA_TBL_BIT_EOL 0x80000000 245 246 /* pci space */ 247 #define VIA_ACLINK_STAT 0x40 248 #define VIA_ACLINK_C11_READY 0x20 249 #define VIA_ACLINK_C10_READY 0x10 250 #define VIA_ACLINK_C01_READY 0x04 /* secondary codec ready */ 251 #define VIA_ACLINK_LOWPOWER 0x02 /* low-power state */ 252 #define VIA_ACLINK_C00_READY 0x01 /* primary codec ready */ 253 #define VIA_ACLINK_CTRL 0x41 254 #define VIA_ACLINK_CTRL_ENABLE 0x80 /* 0: disable, 1: enable */ 255 #define VIA_ACLINK_CTRL_RESET 0x40 /* 0: assert, 1: de-assert */ 256 #define VIA_ACLINK_CTRL_SYNC 0x20 /* 0: release SYNC, 1: force SYNC hi */ 257 #define VIA_ACLINK_CTRL_SDO 0x10 /* 0: release SDO, 1: force SDO hi */ 258 #define VIA_ACLINK_CTRL_VRA 0x08 /* 0: disable VRA, 1: enable VRA */ 259 #define VIA_ACLINK_CTRL_PCM 0x04 /* 0: disable PCM, 1: enable PCM */ 260 #define VIA_ACLINK_CTRL_FM 0x02 /* via686 only */ 261 #define VIA_ACLINK_CTRL_SB 0x01 /* via686 only */ 262 #define VIA_ACLINK_CTRL_INIT (VIA_ACLINK_CTRL_ENABLE|\ 263 VIA_ACLINK_CTRL_RESET|\ 264 VIA_ACLINK_CTRL_PCM|\ 265 VIA_ACLINK_CTRL_VRA) 266 #define VIA_FUNC_ENABLE 0x42 267 #define VIA_FUNC_MIDI_PNP 0x80 /* FIXME: it's 0x40 in the datasheet! */ 268 #define VIA_FUNC_MIDI_IRQMASK 0x40 /* FIXME: not documented! */ 269 #define VIA_FUNC_RX2C_WRITE 0x20 270 #define VIA_FUNC_SB_FIFO_EMPTY 0x10 271 #define VIA_FUNC_ENABLE_GAME 0x08 272 #define VIA_FUNC_ENABLE_FM 0x04 273 #define VIA_FUNC_ENABLE_MIDI 0x02 274 #define VIA_FUNC_ENABLE_SB 0x01 275 #define VIA_PNP_CONTROL 0x43 276 #define VIA_FM_NMI_CTRL 0x48 277 #define VIA8233_VOLCHG_CTRL 0x48 278 #define VIA8233_SPDIF_CTRL 0x49 279 #define VIA8233_SPDIF_DX3 0x08 280 #define VIA8233_SPDIF_SLOT_MASK 0x03 281 #define VIA8233_SPDIF_SLOT_1011 0x00 282 #define VIA8233_SPDIF_SLOT_34 0x01 283 #define VIA8233_SPDIF_SLOT_78 0x02 284 #define VIA8233_SPDIF_SLOT_69 0x03 285 286 /* 287 */ 288 289 #define VIA_DXS_AUTO 0 290 #define VIA_DXS_ENABLE 1 291 #define VIA_DXS_DISABLE 2 292 #define VIA_DXS_48K 3 293 #define VIA_DXS_NO_VRA 4 294 #define VIA_DXS_SRC 5 295 296 297 /* 298 * pcm stream 299 */ 300 301 struct snd_via_sg_table { 302 unsigned int offset; 303 unsigned int size; 304 } ; 305 306 #define VIA_TABLE_SIZE 255 307 #define VIA_MAX_BUFSIZE (1<<24) 308 309 struct viadev { 310 unsigned int reg_offset; 311 unsigned long port; 312 int direction; /* playback = 0, capture = 1 */ 313 struct snd_pcm_substream *substream; 314 int running; 315 unsigned int tbl_entries; /* # descriptors */ 316 struct snd_dma_buffer table; 317 struct snd_via_sg_table *idx_table; 318 /* for recovery from the unexpected pointer */ 319 unsigned int lastpos; 320 unsigned int fragsize; 321 unsigned int bufsize; 322 unsigned int bufsize2; 323 int hwptr_done; /* processed frame position in the buffer */ 324 int in_interrupt; 325 int shadow_shift; 326 }; 327 328 329 enum { TYPE_CARD_VIA686 = 1, TYPE_CARD_VIA8233 }; 330 enum { TYPE_VIA686, TYPE_VIA8233, TYPE_VIA8233A }; 331 332 #define VIA_MAX_DEVS 7 /* 4 playback, 1 multi, 2 capture */ 333 334 struct via_rate_lock { 335 spinlock_t lock; 336 int rate; 337 int used; 338 }; 339 340 struct via82xx { 341 int irq; 342 343 unsigned long port; 344 struct resource *mpu_res; 345 int chip_type; 346 unsigned char revision; 347 348 unsigned char old_legacy; 349 unsigned char old_legacy_cfg; 350 #ifdef CONFIG_PM_SLEEP 351 unsigned char legacy_saved; 352 unsigned char legacy_cfg_saved; 353 unsigned char spdif_ctrl_saved; 354 unsigned char capture_src_saved[2]; 355 unsigned int mpu_port_saved; 356 #endif 357 358 unsigned char playback_volume[4][2]; /* for VIA8233/C/8235; default = 0 */ 359 unsigned char playback_volume_c[2]; /* for VIA8233/C/8235; default = 0 */ 360 361 unsigned int intr_mask; /* SGD_SHADOW mask to check interrupts */ 362 363 struct pci_dev *pci; 364 struct snd_card *card; 365 366 unsigned int num_devs; 367 unsigned int playback_devno, multi_devno, capture_devno; 368 struct viadev devs[VIA_MAX_DEVS]; 369 struct via_rate_lock rates[2]; /* playback and capture */ 370 unsigned int dxs_fixed: 1; /* DXS channel accepts only 48kHz */ 371 unsigned int no_vra: 1; /* no need to set VRA on DXS channels */ 372 unsigned int dxs_src: 1; /* use full SRC capabilities of DXS */ 373 unsigned int spdif_on: 1; /* only spdif rates work to external DACs */ 374 375 struct snd_pcm *pcms[2]; 376 struct snd_rawmidi *rmidi; 377 struct snd_kcontrol *dxs_controls[4]; 378 379 struct snd_ac97_bus *ac97_bus; 380 struct snd_ac97 *ac97; 381 unsigned int ac97_clock; 382 unsigned int ac97_secondary; /* secondary AC'97 codec is present */ 383 384 spinlock_t reg_lock; 385 struct snd_info_entry *proc_entry; 386 387 #ifdef SUPPORT_JOYSTICK 388 struct gameport *gameport; 389 #endif 390 }; 391 392 static const struct pci_device_id snd_via82xx_ids[] = { 393 /* 0x1106, 0x3058 */ 394 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C686_5), TYPE_CARD_VIA686, }, /* 686A */ 395 /* 0x1106, 0x3059 */ 396 { PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_8233_5), TYPE_CARD_VIA8233, }, /* VT8233 */ 397 { 0, } 398 }; 399 400 MODULE_DEVICE_TABLE(pci, snd_via82xx_ids); 401 402 /* 403 */ 404 405 /* 406 * allocate and initialize the descriptor buffers 407 * periods = number of periods 408 * fragsize = period size in bytes 409 */ 410 static int build_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 411 struct pci_dev *pci, 412 unsigned int periods, unsigned int fragsize) 413 { 414 unsigned int i, idx, ofs, rest; 415 struct via82xx *chip = snd_pcm_substream_chip(substream); 416 __le32 *pgtbl; 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 pgtbl = (__le32 *)dev->table.area; 439 for (i = 0; i < periods; i++) { 440 rest = fragsize; 441 /* fill descriptors for a period. 442 * a period can be split to several descriptors if it's 443 * over page boundary. 444 */ 445 do { 446 unsigned int r; 447 unsigned int flag; 448 unsigned int addr; 449 450 if (idx >= VIA_TABLE_SIZE) { 451 dev_err(&pci->dev, "too much table size!\n"); 452 return -EINVAL; 453 } 454 addr = snd_pcm_sgbuf_get_addr(substream, ofs); 455 pgtbl[idx << 1] = cpu_to_le32(addr); 456 r = snd_pcm_sgbuf_get_chunk_size(substream, ofs, rest); 457 rest -= r; 458 if (! rest) { 459 if (i == periods - 1) 460 flag = VIA_TBL_BIT_EOL; /* buffer boundary */ 461 else 462 flag = VIA_TBL_BIT_FLAG; /* period boundary */ 463 } else 464 flag = 0; /* period continues to the next */ 465 /* 466 dev_dbg(&pci->dev, 467 "tbl %d: at %d size %d (rest %d)\n", 468 idx, ofs, r, rest); 469 */ 470 pgtbl[(idx<<1) + 1] = cpu_to_le32(r | flag); 471 dev->idx_table[idx].offset = ofs; 472 dev->idx_table[idx].size = r; 473 ofs += r; 474 idx++; 475 } while (rest > 0); 476 } 477 dev->tbl_entries = idx; 478 dev->bufsize = periods * fragsize; 479 dev->bufsize2 = dev->bufsize / 2; 480 dev->fragsize = fragsize; 481 return 0; 482 } 483 484 485 static int clean_via_table(struct viadev *dev, struct snd_pcm_substream *substream, 486 struct pci_dev *pci) 487 { 488 if (dev->table.area) { 489 snd_dma_free_pages(&dev->table); 490 dev->table.area = NULL; 491 } 492 kfree(dev->idx_table); 493 dev->idx_table = NULL; 494 return 0; 495 } 496 497 /* 498 * Basic I/O 499 */ 500 501 static inline unsigned int snd_via82xx_codec_xread(struct via82xx *chip) 502 { 503 return inl(VIAREG(chip, AC97)); 504 } 505 506 static inline void snd_via82xx_codec_xwrite(struct via82xx *chip, unsigned int val) 507 { 508 outl(val, VIAREG(chip, AC97)); 509 } 510 511 static int snd_via82xx_codec_ready(struct via82xx *chip, int secondary) 512 { 513 unsigned int timeout = 1000; /* 1ms */ 514 unsigned int val; 515 516 while (timeout-- > 0) { 517 udelay(1); 518 if (!((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY)) 519 return val & 0xffff; 520 } 521 dev_err(chip->card->dev, "codec_ready: codec %i is not ready [0x%x]\n", 522 secondary, snd_via82xx_codec_xread(chip)); 523 return -EIO; 524 } 525 526 static int snd_via82xx_codec_valid(struct via82xx *chip, int secondary) 527 { 528 unsigned int timeout = 1000; /* 1ms */ 529 unsigned int val, val1; 530 unsigned int stat = !secondary ? VIA_REG_AC97_PRIMARY_VALID : 531 VIA_REG_AC97_SECONDARY_VALID; 532 533 while (timeout-- > 0) { 534 val = snd_via82xx_codec_xread(chip); 535 val1 = val & (VIA_REG_AC97_BUSY | stat); 536 if (val1 == stat) 537 return val & 0xffff; 538 udelay(1); 539 } 540 return -EIO; 541 } 542 543 static void snd_via82xx_codec_wait(struct snd_ac97 *ac97) 544 { 545 struct via82xx *chip = ac97->private_data; 546 __always_unused int err; 547 err = snd_via82xx_codec_ready(chip, ac97->num); 548 /* here we need to wait fairly for long time.. */ 549 if (!nodelay) 550 msleep(500); 551 } 552 553 static void snd_via82xx_codec_write(struct snd_ac97 *ac97, 554 unsigned short reg, 555 unsigned short val) 556 { 557 struct via82xx *chip = ac97->private_data; 558 unsigned int xval; 559 560 xval = !ac97->num ? VIA_REG_AC97_CODEC_ID_PRIMARY : VIA_REG_AC97_CODEC_ID_SECONDARY; 561 xval <<= VIA_REG_AC97_CODEC_ID_SHIFT; 562 xval |= reg << VIA_REG_AC97_CMD_SHIFT; 563 xval |= val << VIA_REG_AC97_DATA_SHIFT; 564 snd_via82xx_codec_xwrite(chip, xval); 565 snd_via82xx_codec_ready(chip, ac97->num); 566 } 567 568 static unsigned short snd_via82xx_codec_read(struct snd_ac97 *ac97, unsigned short reg) 569 { 570 struct via82xx *chip = ac97->private_data; 571 unsigned int xval, val = 0xffff; 572 int again = 0; 573 574 xval = ac97->num << VIA_REG_AC97_CODEC_ID_SHIFT; 575 xval |= ac97->num ? VIA_REG_AC97_SECONDARY_VALID : VIA_REG_AC97_PRIMARY_VALID; 576 xval |= VIA_REG_AC97_READ; 577 xval |= (reg & 0x7f) << VIA_REG_AC97_CMD_SHIFT; 578 while (1) { 579 if (again++ > 3) { 580 dev_err(chip->card->dev, 581 "codec_read: codec %i is not valid [0x%x]\n", 582 ac97->num, snd_via82xx_codec_xread(chip)); 583 return 0xffff; 584 } 585 snd_via82xx_codec_xwrite(chip, xval); 586 udelay (20); 587 if (snd_via82xx_codec_valid(chip, ac97->num) >= 0) { 588 udelay(25); 589 val = snd_via82xx_codec_xread(chip); 590 break; 591 } 592 } 593 return val & 0xffff; 594 } 595 596 static void snd_via82xx_channel_reset(struct via82xx *chip, struct viadev *viadev) 597 { 598 outb(VIA_REG_CTRL_PAUSE | VIA_REG_CTRL_TERMINATE | VIA_REG_CTRL_RESET, 599 VIADEV_REG(viadev, OFFSET_CONTROL)); 600 inb(VIADEV_REG(viadev, OFFSET_CONTROL)); 601 udelay(50); 602 /* disable interrupts */ 603 outb(0x00, VIADEV_REG(viadev, OFFSET_CONTROL)); 604 /* clear interrupts */ 605 outb(0x03, VIADEV_REG(viadev, OFFSET_STATUS)); 606 outb(0x00, VIADEV_REG(viadev, OFFSET_TYPE)); /* for via686 */ 607 // outl(0, VIADEV_REG(viadev, OFFSET_CURR_PTR)); 608 viadev->lastpos = 0; 609 viadev->hwptr_done = 0; 610 } 611 612 613 /* 614 * Interrupt handler 615 * Used for 686 and 8233A 616 */ 617 static irqreturn_t snd_via686_interrupt(int irq, void *dev_id) 618 { 619 struct via82xx *chip = dev_id; 620 unsigned int status; 621 unsigned int i; 622 623 status = inl(VIAREG(chip, SGD_SHADOW)); 624 if (! (status & chip->intr_mask)) { 625 if (chip->rmidi) 626 /* check mpu401 interrupt */ 627 return snd_mpu401_uart_interrupt(irq, chip->rmidi->private_data); 628 return IRQ_NONE; 629 } 630 631 /* check status for each stream */ 632 spin_lock(&chip->reg_lock); 633 for (i = 0; i < chip->num_devs; i++) { 634 struct viadev *viadev = &chip->devs[i]; 635 unsigned char c_status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 636 if (! (c_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG|VIA_REG_STAT_STOPPED))) 637 continue; 638 if (viadev->substream && viadev->running) { 639 /* 640 * Update hwptr_done based on 'period elapsed' 641 * interrupts. We'll use it, when the chip returns 0 642 * for OFFSET_CURR_COUNT. 643 */ 644 if (c_status & VIA_REG_STAT_EOL) 645 viadev->hwptr_done = 0; 646 else 647 viadev->hwptr_done += viadev->fragsize; 648 viadev->in_interrupt = c_status; 649 spin_unlock(&chip->reg_lock); 650 snd_pcm_period_elapsed(viadev->substream); 651 spin_lock(&chip->reg_lock); 652 viadev->in_interrupt = 0; 653 } 654 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 655 } 656 spin_unlock(&chip->reg_lock); 657 return IRQ_HANDLED; 658 } 659 660 /* 661 * Interrupt handler 662 */ 663 static irqreturn_t snd_via8233_interrupt(int irq, void *dev_id) 664 { 665 struct via82xx *chip = dev_id; 666 unsigned int status; 667 unsigned int i; 668 int irqreturn = 0; 669 670 /* check status for each stream */ 671 spin_lock(&chip->reg_lock); 672 status = inl(VIAREG(chip, SGD_SHADOW)); 673 674 for (i = 0; i < chip->num_devs; i++) { 675 struct viadev *viadev = &chip->devs[i]; 676 struct snd_pcm_substream *substream; 677 unsigned char c_status, shadow_status; 678 679 shadow_status = (status >> viadev->shadow_shift) & 680 (VIA8233_SHADOW_STAT_ACTIVE|VIA_REG_STAT_EOL| 681 VIA_REG_STAT_FLAG); 682 c_status = shadow_status & (VIA_REG_STAT_EOL|VIA_REG_STAT_FLAG); 683 if (!c_status) 684 continue; 685 686 substream = viadev->substream; 687 if (substream && viadev->running) { 688 /* 689 * Update hwptr_done based on 'period elapsed' 690 * interrupts. We'll use it, when the chip returns 0 691 * for OFFSET_CURR_COUNT. 692 */ 693 if (c_status & VIA_REG_STAT_EOL) 694 viadev->hwptr_done = 0; 695 else 696 viadev->hwptr_done += viadev->fragsize; 697 viadev->in_interrupt = c_status; 698 if (shadow_status & VIA8233_SHADOW_STAT_ACTIVE) 699 viadev->in_interrupt |= VIA_REG_STAT_ACTIVE; 700 spin_unlock(&chip->reg_lock); 701 702 snd_pcm_period_elapsed(substream); 703 704 spin_lock(&chip->reg_lock); 705 viadev->in_interrupt = 0; 706 } 707 outb(c_status, VIADEV_REG(viadev, OFFSET_STATUS)); /* ack */ 708 irqreturn = 1; 709 } 710 spin_unlock(&chip->reg_lock); 711 return IRQ_RETVAL(irqreturn); 712 } 713 714 /* 715 * PCM callbacks 716 */ 717 718 /* 719 * trigger callback 720 */ 721 static int snd_via82xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) 722 { 723 struct via82xx *chip = snd_pcm_substream_chip(substream); 724 struct viadev *viadev = substream->runtime->private_data; 725 unsigned char val; 726 727 if (chip->chip_type != TYPE_VIA686) 728 val = VIA_REG_CTRL_INT; 729 else 730 val = 0; 731 switch (cmd) { 732 case SNDRV_PCM_TRIGGER_START: 733 case SNDRV_PCM_TRIGGER_RESUME: 734 val |= VIA_REG_CTRL_START; 735 viadev->running = 1; 736 break; 737 case SNDRV_PCM_TRIGGER_STOP: 738 case SNDRV_PCM_TRIGGER_SUSPEND: 739 val = VIA_REG_CTRL_TERMINATE; 740 viadev->running = 0; 741 break; 742 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 743 val |= VIA_REG_CTRL_PAUSE; 744 viadev->running = 0; 745 break; 746 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 747 viadev->running = 1; 748 break; 749 default: 750 return -EINVAL; 751 } 752 outb(val, VIADEV_REG(viadev, OFFSET_CONTROL)); 753 if (cmd == SNDRV_PCM_TRIGGER_STOP) 754 snd_via82xx_channel_reset(chip, viadev); 755 return 0; 756 } 757 758 759 /* 760 * pointer callbacks 761 */ 762 763 /* 764 * calculate the linear position at the given sg-buffer index and the rest count 765 */ 766 767 #define check_invalid_pos(viadev,pos) \ 768 ((pos) < viadev->lastpos && ((pos) >= viadev->bufsize2 ||\ 769 viadev->lastpos < viadev->bufsize2)) 770 771 static inline unsigned int calc_linear_pos(struct via82xx *chip, 772 struct viadev *viadev, 773 unsigned int idx, 774 unsigned int count) 775 { 776 unsigned int size, base, res; 777 778 size = viadev->idx_table[idx].size; 779 base = viadev->idx_table[idx].offset; 780 res = base + size - count; 781 if (res >= viadev->bufsize) 782 res -= viadev->bufsize; 783 784 /* check the validity of the calculated position */ 785 if (size < count) { 786 dev_dbg(chip->card->dev, 787 "invalid via82xx_cur_ptr (size = %d, count = %d)\n", 788 (int)size, (int)count); 789 res = viadev->lastpos; 790 } else { 791 if (! count) { 792 /* Some mobos report count = 0 on the DMA boundary, 793 * i.e. count = size indeed. 794 * Let's check whether this step is above the expected size. 795 */ 796 int delta = res - viadev->lastpos; 797 if (delta < 0) 798 delta += viadev->bufsize; 799 if ((unsigned int)delta > viadev->fragsize) 800 res = base; 801 } 802 if (check_invalid_pos(viadev, res)) { 803 #ifdef POINTER_DEBUG 804 dev_dbg(chip->card->dev, 805 "fail: idx = %i/%i, lastpos = 0x%x, bufsize2 = 0x%x, offsize = 0x%x, size = 0x%x, count = 0x%x\n", 806 idx, viadev->tbl_entries, 807 viadev->lastpos, viadev->bufsize2, 808 viadev->idx_table[idx].offset, 809 viadev->idx_table[idx].size, count); 810 #endif 811 /* count register returns full size when end of buffer is reached */ 812 res = base + size; 813 if (check_invalid_pos(viadev, res)) { 814 dev_dbg(chip->card->dev, 815 "invalid via82xx_cur_ptr (2), using last valid pointer\n"); 816 res = viadev->lastpos; 817 } 818 } 819 } 820 return res; 821 } 822 823 /* 824 * get the current pointer on via686 825 */ 826 static snd_pcm_uframes_t snd_via686_pcm_pointer(struct snd_pcm_substream *substream) 827 { 828 struct via82xx *chip = snd_pcm_substream_chip(substream); 829 struct viadev *viadev = substream->runtime->private_data; 830 unsigned int idx, ptr, count, res; 831 832 if (snd_BUG_ON(!viadev->tbl_entries)) 833 return 0; 834 if (!(inb(VIADEV_REG(viadev, OFFSET_STATUS)) & VIA_REG_STAT_ACTIVE)) 835 return 0; 836 837 spin_lock(&chip->reg_lock); 838 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)) & 0xffffff; 839 /* The via686a does not have the current index register, 840 * so we need to calculate the index from CURR_PTR. 841 */ 842 ptr = inl(VIADEV_REG(viadev, OFFSET_CURR_PTR)); 843 if (ptr <= (unsigned int)viadev->table.addr) 844 idx = 0; 845 else /* CURR_PTR holds the address + 8 */ 846 idx = ((ptr - (unsigned int)viadev->table.addr) / 8 - 1) % viadev->tbl_entries; 847 res = calc_linear_pos(chip, viadev, idx, count); 848 viadev->lastpos = res; /* remember the last position */ 849 spin_unlock(&chip->reg_lock); 850 851 return bytes_to_frames(substream->runtime, res); 852 } 853 854 /* 855 * get the current pointer on via823x 856 */ 857 static snd_pcm_uframes_t snd_via8233_pcm_pointer(struct snd_pcm_substream *substream) 858 { 859 struct via82xx *chip = snd_pcm_substream_chip(substream); 860 struct viadev *viadev = substream->runtime->private_data; 861 unsigned int idx, count, res; 862 int status; 863 864 if (snd_BUG_ON(!viadev->tbl_entries)) 865 return 0; 866 867 spin_lock(&chip->reg_lock); 868 count = inl(VIADEV_REG(viadev, OFFSET_CURR_COUNT)); 869 status = viadev->in_interrupt; 870 if (!status) 871 status = inb(VIADEV_REG(viadev, OFFSET_STATUS)); 872 873 /* An apparent bug in the 8251 is worked around by sending a 874 * REG_CTRL_START. */ 875 if (chip->revision == VIA_REV_8251 && (status & VIA_REG_STAT_EOL)) 876 snd_via82xx_pcm_trigger(substream, SNDRV_PCM_TRIGGER_START); 877 878 if (!(status & VIA_REG_STAT_ACTIVE)) { 879 res = 0; 880 goto unlock; 881 } 882 if (count & 0xffffff) { 883 idx = count >> 24; 884 if (idx >= viadev->tbl_entries) { 885 #ifdef POINTER_DEBUG 886 dev_dbg(chip->card->dev, 887 "fail: invalid idx = %i/%i\n", idx, 888 viadev->tbl_entries); 889 #endif 890 res = viadev->lastpos; 891 } else { 892 count &= 0xffffff; 893 res = calc_linear_pos(chip, viadev, idx, count); 894 } 895 } else { 896 res = viadev->hwptr_done; 897 if (!viadev->in_interrupt) { 898 if (status & VIA_REG_STAT_EOL) { 899 res = 0; 900 } else 901 if (status & VIA_REG_STAT_FLAG) { 902 res += viadev->fragsize; 903 } 904 } 905 } 906 unlock: 907 viadev->lastpos = res; 908 spin_unlock(&chip->reg_lock); 909 910 return bytes_to_frames(substream->runtime, res); 911 } 912 913 914 /* 915 * hw_params callback: 916 * allocate the buffer and build up the buffer description table 917 */ 918 static int snd_via82xx_hw_params(struct snd_pcm_substream *substream, 919 struct snd_pcm_hw_params *hw_params) 920 { 921 struct via82xx *chip = snd_pcm_substream_chip(substream); 922 struct viadev *viadev = substream->runtime->private_data; 923 924 return build_via_table(viadev, substream, chip->pci, 925 params_periods(hw_params), 926 params_period_bytes(hw_params)); 927 } 928 929 /* 930 * hw_free callback: 931 * clean up the buffer description table and release the buffer 932 */ 933 static int snd_via82xx_hw_free(struct snd_pcm_substream *substream) 934 { 935 struct via82xx *chip = snd_pcm_substream_chip(substream); 936 struct viadev *viadev = substream->runtime->private_data; 937 938 clean_via_table(viadev, substream, chip->pci); 939 return 0; 940 } 941 942 943 /* 944 * set up the table pointer 945 */ 946 static void snd_via82xx_set_table_ptr(struct via82xx *chip, struct viadev *viadev) 947 { 948 snd_via82xx_codec_ready(chip, 0); 949 outl((u32)viadev->table.addr, VIADEV_REG(viadev, OFFSET_TABLE_PTR)); 950 udelay(20); 951 snd_via82xx_codec_ready(chip, 0); 952 } 953 954 /* 955 * prepare callback for playback and capture on via686 956 */ 957 static void via686_setup_format(struct via82xx *chip, struct viadev *viadev, 958 struct snd_pcm_runtime *runtime) 959 { 960 snd_via82xx_channel_reset(chip, viadev); 961 /* this must be set after channel_reset */ 962 snd_via82xx_set_table_ptr(chip, viadev); 963 outb(VIA_REG_TYPE_AUTOSTART | 964 (runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA_REG_TYPE_16BIT : 0) | 965 (runtime->channels > 1 ? VIA_REG_TYPE_STEREO : 0) | 966 ((viadev->reg_offset & 0x10) == 0 ? VIA_REG_TYPE_INT_LSAMPLE : 0) | 967 VIA_REG_TYPE_INT_EOL | 968 VIA_REG_TYPE_INT_FLAG, VIADEV_REG(viadev, OFFSET_TYPE)); 969 } 970 971 static int snd_via686_playback_prepare(struct snd_pcm_substream *substream) 972 { 973 struct via82xx *chip = snd_pcm_substream_chip(substream); 974 struct viadev *viadev = substream->runtime->private_data; 975 struct snd_pcm_runtime *runtime = substream->runtime; 976 977 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 978 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 979 via686_setup_format(chip, viadev, runtime); 980 return 0; 981 } 982 983 static int snd_via686_capture_prepare(struct snd_pcm_substream *substream) 984 { 985 struct via82xx *chip = snd_pcm_substream_chip(substream); 986 struct viadev *viadev = substream->runtime->private_data; 987 struct snd_pcm_runtime *runtime = substream->runtime; 988 989 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 990 via686_setup_format(chip, viadev, runtime); 991 return 0; 992 } 993 994 /* 995 * lock the current rate 996 */ 997 static int via_lock_rate(struct via_rate_lock *rec, int rate) 998 { 999 int changed = 0; 1000 1001 spin_lock_irq(&rec->lock); 1002 if (rec->rate != rate) { 1003 if (rec->rate && rec->used > 1) /* already set */ 1004 changed = -EINVAL; 1005 else { 1006 rec->rate = rate; 1007 changed = 1; 1008 } 1009 } 1010 spin_unlock_irq(&rec->lock); 1011 return changed; 1012 } 1013 1014 /* 1015 * prepare callback for DSX playback on via823x 1016 */ 1017 static int snd_via8233_playback_prepare(struct snd_pcm_substream *substream) 1018 { 1019 struct via82xx *chip = snd_pcm_substream_chip(substream); 1020 struct viadev *viadev = substream->runtime->private_data; 1021 struct snd_pcm_runtime *runtime = substream->runtime; 1022 int ac97_rate = chip->dxs_src ? 48000 : runtime->rate; 1023 int rate_changed; 1024 u32 rbits; 1025 1026 if ((rate_changed = via_lock_rate(&chip->rates[0], ac97_rate)) < 0) 1027 return rate_changed; 1028 if (rate_changed) 1029 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, 1030 chip->no_vra ? 48000 : runtime->rate); 1031 if (chip->spdif_on && viadev->reg_offset == 0x30) 1032 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1033 1034 if (runtime->rate == 48000) 1035 rbits = 0xfffff; 1036 else 1037 rbits = (0x100000 / 48000) * runtime->rate + 1038 ((0x100000 % 48000) * runtime->rate) / 48000; 1039 snd_BUG_ON(rbits & ~0xfffff); 1040 snd_via82xx_channel_reset(chip, viadev); 1041 snd_via82xx_set_table_ptr(chip, viadev); 1042 outb(chip->playback_volume[viadev->reg_offset / 0x10][0], 1043 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_L)); 1044 outb(chip->playback_volume[viadev->reg_offset / 0x10][1], 1045 VIADEV_REG(viadev, OFS_PLAYBACK_VOLUME_R)); 1046 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | /* format */ 1047 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | /* stereo */ 1048 rbits | /* rate */ 1049 0xff000000, /* STOP index is never reached */ 1050 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1051 udelay(20); 1052 snd_via82xx_codec_ready(chip, 0); 1053 return 0; 1054 } 1055 1056 /* 1057 * prepare callback for multi-channel playback on via823x 1058 */ 1059 static int snd_via8233_multi_prepare(struct snd_pcm_substream *substream) 1060 { 1061 struct via82xx *chip = snd_pcm_substream_chip(substream); 1062 struct viadev *viadev = substream->runtime->private_data; 1063 struct snd_pcm_runtime *runtime = substream->runtime; 1064 unsigned int slots; 1065 int fmt; 1066 1067 if (via_lock_rate(&chip->rates[0], runtime->rate) < 0) 1068 return -EINVAL; 1069 snd_ac97_set_rate(chip->ac97, AC97_PCM_FRONT_DAC_RATE, runtime->rate); 1070 snd_ac97_set_rate(chip->ac97, AC97_PCM_SURR_DAC_RATE, runtime->rate); 1071 snd_ac97_set_rate(chip->ac97, AC97_PCM_LFE_DAC_RATE, runtime->rate); 1072 snd_ac97_set_rate(chip->ac97, AC97_SPDIF, runtime->rate); 1073 snd_via82xx_channel_reset(chip, viadev); 1074 snd_via82xx_set_table_ptr(chip, viadev); 1075 1076 fmt = (runtime->format == SNDRV_PCM_FORMAT_S16_LE) ? 1077 VIA_REG_MULTPLAY_FMT_16BIT : VIA_REG_MULTPLAY_FMT_8BIT; 1078 fmt |= runtime->channels << 4; 1079 outb(fmt, VIADEV_REG(viadev, OFS_MULTPLAY_FORMAT)); 1080 #if 0 1081 if (chip->revision == VIA_REV_8233A) 1082 slots = 0; 1083 else 1084 #endif 1085 { 1086 /* set sample number to slot 3, 4, 7, 8, 6, 9 (for VIA8233/C,8235) */ 1087 /* corresponding to FL, FR, RL, RR, C, LFE ?? */ 1088 switch (runtime->channels) { 1089 case 1: slots = (1<<0) | (1<<4); break; 1090 case 2: slots = (1<<0) | (2<<4); break; 1091 case 3: slots = (1<<0) | (2<<4) | (5<<8); break; 1092 case 4: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12); break; 1093 case 5: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16); break; 1094 case 6: slots = (1<<0) | (2<<4) | (3<<8) | (4<<12) | (5<<16) | (6<<20); break; 1095 default: slots = 0; break; 1096 } 1097 } 1098 /* STOP index is never reached */ 1099 outl(0xff000000 | slots, VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1100 udelay(20); 1101 snd_via82xx_codec_ready(chip, 0); 1102 return 0; 1103 } 1104 1105 /* 1106 * prepare callback for capture on via823x 1107 */ 1108 static int snd_via8233_capture_prepare(struct snd_pcm_substream *substream) 1109 { 1110 struct via82xx *chip = snd_pcm_substream_chip(substream); 1111 struct viadev *viadev = substream->runtime->private_data; 1112 struct snd_pcm_runtime *runtime = substream->runtime; 1113 1114 if (via_lock_rate(&chip->rates[1], runtime->rate) < 0) 1115 return -EINVAL; 1116 snd_ac97_set_rate(chip->ac97, AC97_PCM_LR_ADC_RATE, runtime->rate); 1117 snd_via82xx_channel_reset(chip, viadev); 1118 snd_via82xx_set_table_ptr(chip, viadev); 1119 outb(VIA_REG_CAPTURE_FIFO_ENABLE, VIADEV_REG(viadev, OFS_CAPTURE_FIFO)); 1120 outl((runtime->format == SNDRV_PCM_FORMAT_S16_LE ? VIA8233_REG_TYPE_16BIT : 0) | 1121 (runtime->channels > 1 ? VIA8233_REG_TYPE_STEREO : 0) | 1122 0xff000000, /* STOP index is never reached */ 1123 VIADEV_REG(viadev, OFFSET_STOP_IDX)); 1124 udelay(20); 1125 snd_via82xx_codec_ready(chip, 0); 1126 return 0; 1127 } 1128 1129 1130 /* 1131 * pcm hardware definition, identical for both playback and capture 1132 */ 1133 static const struct snd_pcm_hardware snd_via82xx_hw = 1134 { 1135 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 1136 SNDRV_PCM_INFO_BLOCK_TRANSFER | 1137 SNDRV_PCM_INFO_MMAP_VALID | 1138 /* SNDRV_PCM_INFO_RESUME | */ 1139 SNDRV_PCM_INFO_PAUSE), 1140 .formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE, 1141 .rates = SNDRV_PCM_RATE_48000, 1142 .rate_min = 48000, 1143 .rate_max = 48000, 1144 .channels_min = 1, 1145 .channels_max = 2, 1146 .buffer_bytes_max = VIA_MAX_BUFSIZE, 1147 .period_bytes_min = 32, 1148 .period_bytes_max = VIA_MAX_BUFSIZE / 2, 1149 .periods_min = 2, 1150 .periods_max = VIA_TABLE_SIZE / 2, 1151 .fifo_size = 0, 1152 }; 1153 1154 1155 /* 1156 * open callback skeleton 1157 */ 1158 static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev, 1159 struct snd_pcm_substream *substream) 1160 { 1161 struct snd_pcm_runtime *runtime = substream->runtime; 1162 int err; 1163 struct via_rate_lock *ratep; 1164 bool use_src = false; 1165 1166 runtime->hw = snd_via82xx_hw; 1167 1168 /* set the hw rate condition */ 1169 ratep = &chip->rates[viadev->direction]; 1170 spin_lock_irq(&ratep->lock); 1171 ratep->used++; 1172 if (chip->spdif_on && viadev->reg_offset == 0x30) { 1173 /* DXS#3 and spdif is on */ 1174 runtime->hw.rates = chip->ac97->rates[AC97_RATES_SPDIF]; 1175 snd_pcm_limit_hw_rates(runtime); 1176 } else if (chip->dxs_fixed && viadev->reg_offset < 0x40) { 1177 /* fixed DXS playback rate */ 1178 runtime->hw.rates = SNDRV_PCM_RATE_48000; 1179 runtime->hw.rate_min = runtime->hw.rate_max = 48000; 1180 } else if (chip->dxs_src && viadev->reg_offset < 0x40) { 1181 /* use full SRC capabilities of DXS */ 1182 runtime->hw.rates = (SNDRV_PCM_RATE_CONTINUOUS | 1183 SNDRV_PCM_RATE_8000_48000); 1184 runtime->hw.rate_min = 8000; 1185 runtime->hw.rate_max = 48000; 1186 use_src = true; 1187 } else if (! ratep->rate) { 1188 int idx = viadev->direction ? AC97_RATES_ADC : AC97_RATES_FRONT_DAC; 1189 runtime->hw.rates = chip->ac97->rates[idx]; 1190 snd_pcm_limit_hw_rates(runtime); 1191 } else { 1192 /* a fixed rate */ 1193 runtime->hw.rates = SNDRV_PCM_RATE_KNOT; 1194 runtime->hw.rate_max = runtime->hw.rate_min = ratep->rate; 1195 } 1196 spin_unlock_irq(&ratep->lock); 1197 1198 /* we may remove following constaint when we modify table entries 1199 in interrupt */ 1200 if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) 1201 return err; 1202 1203 if (use_src) { 1204 err = snd_pcm_hw_rule_noresample(runtime, 48000); 1205 if (err < 0) 1206 return err; 1207 } 1208 1209 runtime->private_data = viadev; 1210 viadev->substream = substream; 1211 1212 return 0; 1213 } 1214 1215 1216 /* 1217 * open callback for playback on via686 1218 */ 1219 static int snd_via686_playback_open(struct snd_pcm_substream *substream) 1220 { 1221 struct via82xx *chip = snd_pcm_substream_chip(substream); 1222 struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number]; 1223 int err; 1224 1225 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1226 return err; 1227 return 0; 1228 } 1229 1230 /* 1231 * open callback for playback on via823x DXS 1232 */ 1233 static int snd_via8233_playback_open(struct snd_pcm_substream *substream) 1234 { 1235 struct via82xx *chip = snd_pcm_substream_chip(substream); 1236 struct viadev *viadev; 1237 unsigned int stream; 1238 int err; 1239 1240 viadev = &chip->devs[chip->playback_devno + substream->number]; 1241 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1242 return err; 1243 stream = viadev->reg_offset / 0x10; 1244 if (chip->dxs_controls[stream]) { 1245 chip->playback_volume[stream][0] = 1246 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1247 chip->playback_volume[stream][1] = 1248 VIA_DXS_MAX_VOLUME - (dxs_init_volume & 31); 1249 chip->dxs_controls[stream]->vd[0].access &= 1250 ~SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1251 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE | 1252 SNDRV_CTL_EVENT_MASK_INFO, 1253 &chip->dxs_controls[stream]->id); 1254 } 1255 return 0; 1256 } 1257 1258 /* 1259 * open callback for playback on via823x multi-channel 1260 */ 1261 static int snd_via8233_multi_open(struct snd_pcm_substream *substream) 1262 { 1263 struct via82xx *chip = snd_pcm_substream_chip(substream); 1264 struct viadev *viadev = &chip->devs[chip->multi_devno]; 1265 int err; 1266 /* channels constraint for VIA8233A 1267 * 3 and 5 channels are not supported 1268 */ 1269 static const unsigned int channels[] = { 1270 1, 2, 4, 6 1271 }; 1272 static const struct snd_pcm_hw_constraint_list hw_constraints_channels = { 1273 .count = ARRAY_SIZE(channels), 1274 .list = channels, 1275 .mask = 0, 1276 }; 1277 1278 if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0) 1279 return err; 1280 substream->runtime->hw.channels_max = 6; 1281 if (chip->revision == VIA_REV_8233A) 1282 snd_pcm_hw_constraint_list(substream->runtime, 0, 1283 SNDRV_PCM_HW_PARAM_CHANNELS, 1284 &hw_constraints_channels); 1285 return 0; 1286 } 1287 1288 /* 1289 * open callback for capture on via686 and via823x 1290 */ 1291 static int snd_via82xx_capture_open(struct snd_pcm_substream *substream) 1292 { 1293 struct via82xx *chip = snd_pcm_substream_chip(substream); 1294 struct viadev *viadev = &chip->devs[chip->capture_devno + substream->pcm->device]; 1295 1296 return snd_via82xx_pcm_open(chip, viadev, substream); 1297 } 1298 1299 /* 1300 * close callback 1301 */ 1302 static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream) 1303 { 1304 struct via82xx *chip = snd_pcm_substream_chip(substream); 1305 struct viadev *viadev = substream->runtime->private_data; 1306 struct via_rate_lock *ratep; 1307 1308 /* release the rate lock */ 1309 ratep = &chip->rates[viadev->direction]; 1310 spin_lock_irq(&ratep->lock); 1311 ratep->used--; 1312 if (! ratep->used) 1313 ratep->rate = 0; 1314 spin_unlock_irq(&ratep->lock); 1315 if (! ratep->rate) { 1316 if (! viadev->direction) { 1317 snd_ac97_update_power(chip->ac97, 1318 AC97_PCM_FRONT_DAC_RATE, 0); 1319 snd_ac97_update_power(chip->ac97, 1320 AC97_PCM_SURR_DAC_RATE, 0); 1321 snd_ac97_update_power(chip->ac97, 1322 AC97_PCM_LFE_DAC_RATE, 0); 1323 } else 1324 snd_ac97_update_power(chip->ac97, 1325 AC97_PCM_LR_ADC_RATE, 0); 1326 } 1327 viadev->substream = NULL; 1328 return 0; 1329 } 1330 1331 static int snd_via8233_playback_close(struct snd_pcm_substream *substream) 1332 { 1333 struct via82xx *chip = snd_pcm_substream_chip(substream); 1334 struct viadev *viadev = substream->runtime->private_data; 1335 unsigned int stream; 1336 1337 stream = viadev->reg_offset / 0x10; 1338 if (chip->dxs_controls[stream]) { 1339 chip->dxs_controls[stream]->vd[0].access |= 1340 SNDRV_CTL_ELEM_ACCESS_INACTIVE; 1341 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, 1342 &chip->dxs_controls[stream]->id); 1343 } 1344 return snd_via82xx_pcm_close(substream); 1345 } 1346 1347 1348 /* via686 playback callbacks */ 1349 static const struct snd_pcm_ops snd_via686_playback_ops = { 1350 .open = snd_via686_playback_open, 1351 .close = snd_via82xx_pcm_close, 1352 .hw_params = snd_via82xx_hw_params, 1353 .hw_free = snd_via82xx_hw_free, 1354 .prepare = snd_via686_playback_prepare, 1355 .trigger = snd_via82xx_pcm_trigger, 1356 .pointer = snd_via686_pcm_pointer, 1357 }; 1358 1359 /* via686 capture callbacks */ 1360 static const struct snd_pcm_ops snd_via686_capture_ops = { 1361 .open = snd_via82xx_capture_open, 1362 .close = snd_via82xx_pcm_close, 1363 .hw_params = snd_via82xx_hw_params, 1364 .hw_free = snd_via82xx_hw_free, 1365 .prepare = snd_via686_capture_prepare, 1366 .trigger = snd_via82xx_pcm_trigger, 1367 .pointer = snd_via686_pcm_pointer, 1368 }; 1369 1370 /* via823x DSX playback callbacks */ 1371 static const struct snd_pcm_ops snd_via8233_playback_ops = { 1372 .open = snd_via8233_playback_open, 1373 .close = snd_via8233_playback_close, 1374 .hw_params = snd_via82xx_hw_params, 1375 .hw_free = snd_via82xx_hw_free, 1376 .prepare = snd_via8233_playback_prepare, 1377 .trigger = snd_via82xx_pcm_trigger, 1378 .pointer = snd_via8233_pcm_pointer, 1379 }; 1380 1381 /* via823x multi-channel playback callbacks */ 1382 static const struct snd_pcm_ops snd_via8233_multi_ops = { 1383 .open = snd_via8233_multi_open, 1384 .close = snd_via82xx_pcm_close, 1385 .hw_params = snd_via82xx_hw_params, 1386 .hw_free = snd_via82xx_hw_free, 1387 .prepare = snd_via8233_multi_prepare, 1388 .trigger = snd_via82xx_pcm_trigger, 1389 .pointer = snd_via8233_pcm_pointer, 1390 }; 1391 1392 /* via823x capture callbacks */ 1393 static const struct snd_pcm_ops snd_via8233_capture_ops = { 1394 .open = snd_via82xx_capture_open, 1395 .close = snd_via82xx_pcm_close, 1396 .hw_params = snd_via82xx_hw_params, 1397 .hw_free = snd_via82xx_hw_free, 1398 .prepare = snd_via8233_capture_prepare, 1399 .trigger = snd_via82xx_pcm_trigger, 1400 .pointer = snd_via8233_pcm_pointer, 1401 }; 1402 1403 1404 static void init_viadev(struct via82xx *chip, int idx, unsigned int reg_offset, 1405 int shadow_pos, int direction) 1406 { 1407 chip->devs[idx].reg_offset = reg_offset; 1408 chip->devs[idx].shadow_shift = shadow_pos * 4; 1409 chip->devs[idx].direction = direction; 1410 chip->devs[idx].port = chip->port + reg_offset; 1411 } 1412 1413 /* 1414 * create pcm instances for VIA8233, 8233C and 8235 (not 8233A) 1415 */ 1416 static int snd_via8233_pcm_new(struct via82xx *chip) 1417 { 1418 struct snd_pcm *pcm; 1419 struct snd_pcm_chmap *chmap; 1420 int i, err; 1421 1422 chip->playback_devno = 0; /* x 4 */ 1423 chip->multi_devno = 4; /* x 1 */ 1424 chip->capture_devno = 5; /* x 2 */ 1425 chip->num_devs = 7; 1426 chip->intr_mask = 0x33033333; /* FLAG|EOL for rec0-1, mc, sdx0-3 */ 1427 1428 /* PCM #0: 4 DSX playbacks and 1 capture */ 1429 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 4, 1, &pcm); 1430 if (err < 0) 1431 return err; 1432 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1433 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1434 pcm->private_data = chip; 1435 strcpy(pcm->name, chip->card->shortname); 1436 chip->pcms[0] = pcm; 1437 /* set up playbacks */ 1438 for (i = 0; i < 4; i++) 1439 init_viadev(chip, i, 0x10 * i, i, 0); 1440 /* capture */ 1441 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1442 1443 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1444 &chip->pci->dev, 1445 64*1024, VIA_MAX_BUFSIZE); 1446 1447 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1448 snd_pcm_std_chmaps, 2, 0, 1449 &chmap); 1450 if (err < 0) 1451 return err; 1452 1453 /* PCM #1: multi-channel playback and 2nd capture */ 1454 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 1, &pcm); 1455 if (err < 0) 1456 return err; 1457 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1458 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1459 pcm->private_data = chip; 1460 strcpy(pcm->name, chip->card->shortname); 1461 chip->pcms[1] = pcm; 1462 /* set up playback */ 1463 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1464 /* set up capture */ 1465 init_viadev(chip, chip->capture_devno + 1, VIA_REG_CAPTURE_8233_STATUS + 0x10, 7, 1); 1466 1467 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1468 &chip->pci->dev, 1469 64*1024, VIA_MAX_BUFSIZE); 1470 1471 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1472 snd_pcm_alt_chmaps, 6, 0, 1473 &chmap); 1474 if (err < 0) 1475 return err; 1476 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1477 1478 return 0; 1479 } 1480 1481 /* 1482 * create pcm instances for VIA8233A 1483 */ 1484 static int snd_via8233a_pcm_new(struct via82xx *chip) 1485 { 1486 struct snd_pcm *pcm; 1487 struct snd_pcm_chmap *chmap; 1488 int err; 1489 1490 chip->multi_devno = 0; 1491 chip->playback_devno = 1; 1492 chip->capture_devno = 2; 1493 chip->num_devs = 3; 1494 chip->intr_mask = 0x03033000; /* FLAG|EOL for rec0, mc, sdx3 */ 1495 1496 /* PCM #0: multi-channel playback and capture */ 1497 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1498 if (err < 0) 1499 return err; 1500 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_multi_ops); 1501 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via8233_capture_ops); 1502 pcm->private_data = chip; 1503 strcpy(pcm->name, chip->card->shortname); 1504 chip->pcms[0] = pcm; 1505 /* set up playback */ 1506 init_viadev(chip, chip->multi_devno, VIA_REG_MULTPLAY_STATUS, 4, 0); 1507 /* capture */ 1508 init_viadev(chip, chip->capture_devno, VIA_REG_CAPTURE_8233_STATUS, 6, 1); 1509 1510 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1511 &chip->pci->dev, 1512 64*1024, VIA_MAX_BUFSIZE); 1513 1514 err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK, 1515 snd_pcm_alt_chmaps, 6, 0, 1516 &chmap); 1517 if (err < 0) 1518 return err; 1519 chip->ac97->chmaps[SNDRV_PCM_STREAM_PLAYBACK] = chmap; 1520 1521 /* SPDIF supported? */ 1522 if (! ac97_can_spdif(chip->ac97)) 1523 return 0; 1524 1525 /* PCM #1: DXS3 playback (for spdif) */ 1526 err = snd_pcm_new(chip->card, chip->card->shortname, 1, 1, 0, &pcm); 1527 if (err < 0) 1528 return err; 1529 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via8233_playback_ops); 1530 pcm->private_data = chip; 1531 strcpy(pcm->name, chip->card->shortname); 1532 chip->pcms[1] = pcm; 1533 /* set up playback */ 1534 init_viadev(chip, chip->playback_devno, 0x30, 3, 0); 1535 1536 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1537 &chip->pci->dev, 1538 64*1024, VIA_MAX_BUFSIZE); 1539 return 0; 1540 } 1541 1542 /* 1543 * create a pcm instance for via686a/b 1544 */ 1545 static int snd_via686_pcm_new(struct via82xx *chip) 1546 { 1547 struct snd_pcm *pcm; 1548 int err; 1549 1550 chip->playback_devno = 0; 1551 chip->capture_devno = 1; 1552 chip->num_devs = 2; 1553 chip->intr_mask = 0x77; /* FLAG | EOL for PB, CP, FM */ 1554 1555 err = snd_pcm_new(chip->card, chip->card->shortname, 0, 1, 1, &pcm); 1556 if (err < 0) 1557 return err; 1558 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_via686_playback_ops); 1559 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_via686_capture_ops); 1560 pcm->private_data = chip; 1561 strcpy(pcm->name, chip->card->shortname); 1562 chip->pcms[0] = pcm; 1563 init_viadev(chip, 0, VIA_REG_PLAYBACK_STATUS, 0, 0); 1564 init_viadev(chip, 1, VIA_REG_CAPTURE_STATUS, 0, 1); 1565 1566 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_SG, 1567 &chip->pci->dev, 1568 64*1024, VIA_MAX_BUFSIZE); 1569 return 0; 1570 } 1571 1572 1573 /* 1574 * Mixer part 1575 */ 1576 1577 static int snd_via8233_capture_source_info(struct snd_kcontrol *kcontrol, 1578 struct snd_ctl_elem_info *uinfo) 1579 { 1580 /* formerly they were "Line" and "Mic", but it looks like that they 1581 * have nothing to do with the actual physical connections... 1582 */ 1583 static const char * const texts[2] = { 1584 "Input1", "Input2" 1585 }; 1586 return snd_ctl_enum_info(uinfo, 1, 2, texts); 1587 } 1588 1589 static int snd_via8233_capture_source_get(struct snd_kcontrol *kcontrol, 1590 struct snd_ctl_elem_value *ucontrol) 1591 { 1592 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1593 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1594 ucontrol->value.enumerated.item[0] = inb(port) & VIA_REG_CAPTURE_CHANNEL_MIC ? 1 : 0; 1595 return 0; 1596 } 1597 1598 static int snd_via8233_capture_source_put(struct snd_kcontrol *kcontrol, 1599 struct snd_ctl_elem_value *ucontrol) 1600 { 1601 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1602 unsigned long port = chip->port + (kcontrol->id.index ? (VIA_REG_CAPTURE_CHANNEL + 0x10) : VIA_REG_CAPTURE_CHANNEL); 1603 u8 val, oval; 1604 1605 spin_lock_irq(&chip->reg_lock); 1606 oval = inb(port); 1607 val = oval & ~VIA_REG_CAPTURE_CHANNEL_MIC; 1608 if (ucontrol->value.enumerated.item[0]) 1609 val |= VIA_REG_CAPTURE_CHANNEL_MIC; 1610 if (val != oval) 1611 outb(val, port); 1612 spin_unlock_irq(&chip->reg_lock); 1613 return val != oval; 1614 } 1615 1616 static struct snd_kcontrol_new snd_via8233_capture_source = { 1617 .name = "Input Source Select", 1618 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1619 .info = snd_via8233_capture_source_info, 1620 .get = snd_via8233_capture_source_get, 1621 .put = snd_via8233_capture_source_put, 1622 }; 1623 1624 #define snd_via8233_dxs3_spdif_info snd_ctl_boolean_mono_info 1625 1626 static int snd_via8233_dxs3_spdif_get(struct snd_kcontrol *kcontrol, 1627 struct snd_ctl_elem_value *ucontrol) 1628 { 1629 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1630 u8 val; 1631 1632 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 1633 ucontrol->value.integer.value[0] = (val & VIA8233_SPDIF_DX3) ? 1 : 0; 1634 return 0; 1635 } 1636 1637 static int snd_via8233_dxs3_spdif_put(struct snd_kcontrol *kcontrol, 1638 struct snd_ctl_elem_value *ucontrol) 1639 { 1640 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1641 u8 val, oval; 1642 1643 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &oval); 1644 val = oval & ~VIA8233_SPDIF_DX3; 1645 if (ucontrol->value.integer.value[0]) 1646 val |= VIA8233_SPDIF_DX3; 1647 /* save the spdif flag for rate filtering */ 1648 chip->spdif_on = ucontrol->value.integer.value[0] ? 1 : 0; 1649 if (val != oval) { 1650 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 1651 return 1; 1652 } 1653 return 0; 1654 } 1655 1656 static const struct snd_kcontrol_new snd_via8233_dxs3_spdif_control = { 1657 .name = SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 1658 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1659 .info = snd_via8233_dxs3_spdif_info, 1660 .get = snd_via8233_dxs3_spdif_get, 1661 .put = snd_via8233_dxs3_spdif_put, 1662 }; 1663 1664 static int snd_via8233_dxs_volume_info(struct snd_kcontrol *kcontrol, 1665 struct snd_ctl_elem_info *uinfo) 1666 { 1667 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1668 uinfo->count = 2; 1669 uinfo->value.integer.min = 0; 1670 uinfo->value.integer.max = VIA_DXS_MAX_VOLUME; 1671 return 0; 1672 } 1673 1674 static int snd_via8233_dxs_volume_get(struct snd_kcontrol *kcontrol, 1675 struct snd_ctl_elem_value *ucontrol) 1676 { 1677 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1678 unsigned int idx = kcontrol->id.subdevice; 1679 1680 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][0]; 1681 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume[idx][1]; 1682 return 0; 1683 } 1684 1685 static int snd_via8233_pcmdxs_volume_get(struct snd_kcontrol *kcontrol, 1686 struct snd_ctl_elem_value *ucontrol) 1687 { 1688 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1689 ucontrol->value.integer.value[0] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[0]; 1690 ucontrol->value.integer.value[1] = VIA_DXS_MAX_VOLUME - chip->playback_volume_c[1]; 1691 return 0; 1692 } 1693 1694 static int snd_via8233_dxs_volume_put(struct snd_kcontrol *kcontrol, 1695 struct snd_ctl_elem_value *ucontrol) 1696 { 1697 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1698 unsigned int idx = kcontrol->id.subdevice; 1699 unsigned long port = chip->port + 0x10 * idx; 1700 unsigned char val; 1701 int i, change = 0; 1702 1703 for (i = 0; i < 2; i++) { 1704 val = ucontrol->value.integer.value[i]; 1705 if (val > VIA_DXS_MAX_VOLUME) 1706 val = VIA_DXS_MAX_VOLUME; 1707 val = VIA_DXS_MAX_VOLUME - val; 1708 change |= val != chip->playback_volume[idx][i]; 1709 if (change) { 1710 chip->playback_volume[idx][i] = val; 1711 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1712 } 1713 } 1714 return change; 1715 } 1716 1717 static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, 1718 struct snd_ctl_elem_value *ucontrol) 1719 { 1720 struct via82xx *chip = snd_kcontrol_chip(kcontrol); 1721 unsigned int idx; 1722 unsigned char val; 1723 int i, change = 0; 1724 1725 for (i = 0; i < 2; i++) { 1726 val = ucontrol->value.integer.value[i]; 1727 if (val > VIA_DXS_MAX_VOLUME) 1728 val = VIA_DXS_MAX_VOLUME; 1729 val = VIA_DXS_MAX_VOLUME - val; 1730 if (val != chip->playback_volume_c[i]) { 1731 change = 1; 1732 chip->playback_volume_c[i] = val; 1733 for (idx = 0; idx < 4; idx++) { 1734 unsigned long port = chip->port + 0x10 * idx; 1735 chip->playback_volume[idx][i] = val; 1736 outb(val, port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 1737 } 1738 } 1739 } 1740 return change; 1741 } 1742 1743 static const DECLARE_TLV_DB_SCALE(db_scale_dxs, -4650, 150, 1); 1744 1745 static const struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control = { 1746 .name = "PCM Playback Volume", 1747 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 1748 .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | 1749 SNDRV_CTL_ELEM_ACCESS_TLV_READ), 1750 .info = snd_via8233_dxs_volume_info, 1751 .get = snd_via8233_pcmdxs_volume_get, 1752 .put = snd_via8233_pcmdxs_volume_put, 1753 .tlv = { .p = db_scale_dxs } 1754 }; 1755 1756 static const struct snd_kcontrol_new snd_via8233_dxs_volume_control = { 1757 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 1758 .device = 0, 1759 /* .subdevice set later */ 1760 .name = "PCM Playback Volume", 1761 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | 1762 SNDRV_CTL_ELEM_ACCESS_TLV_READ | 1763 SNDRV_CTL_ELEM_ACCESS_INACTIVE, 1764 .info = snd_via8233_dxs_volume_info, 1765 .get = snd_via8233_dxs_volume_get, 1766 .put = snd_via8233_dxs_volume_put, 1767 .tlv = { .p = db_scale_dxs } 1768 }; 1769 1770 /* 1771 */ 1772 1773 static void snd_via82xx_mixer_free_ac97_bus(struct snd_ac97_bus *bus) 1774 { 1775 struct via82xx *chip = bus->private_data; 1776 chip->ac97_bus = NULL; 1777 } 1778 1779 static void snd_via82xx_mixer_free_ac97(struct snd_ac97 *ac97) 1780 { 1781 struct via82xx *chip = ac97->private_data; 1782 chip->ac97 = NULL; 1783 } 1784 1785 static const struct ac97_quirk ac97_quirks[] = { 1786 { 1787 .subvendor = 0x1106, 1788 .subdevice = 0x4161, 1789 .codec_id = 0x56494161, /* VT1612A */ 1790 .name = "Soltek SL-75DRV5", 1791 .type = AC97_TUNE_NONE 1792 }, 1793 { /* FIXME: which codec? */ 1794 .subvendor = 0x1106, 1795 .subdevice = 0x4161, 1796 .name = "ASRock K7VT2", 1797 .type = AC97_TUNE_HP_ONLY 1798 }, 1799 { 1800 .subvendor = 0x110a, 1801 .subdevice = 0x0079, 1802 .name = "Fujitsu Siemens D1289", 1803 .type = AC97_TUNE_HP_ONLY 1804 }, 1805 { 1806 .subvendor = 0x1019, 1807 .subdevice = 0x0a81, 1808 .name = "ECS K7VTA3", 1809 .type = AC97_TUNE_HP_ONLY 1810 }, 1811 { 1812 .subvendor = 0x1019, 1813 .subdevice = 0x0a85, 1814 .name = "ECS L7VMM2", 1815 .type = AC97_TUNE_HP_ONLY 1816 }, 1817 { 1818 .subvendor = 0x1019, 1819 .subdevice = 0x1841, 1820 .name = "ECS K7VTA3", 1821 .type = AC97_TUNE_HP_ONLY 1822 }, 1823 { 1824 .subvendor = 0x1849, 1825 .subdevice = 0x3059, 1826 .name = "ASRock K7VM2", 1827 .type = AC97_TUNE_HP_ONLY /* VT1616 */ 1828 }, 1829 { 1830 .subvendor = 0x14cd, 1831 .subdevice = 0x7002, 1832 .name = "Unknown", 1833 .type = AC97_TUNE_ALC_JACK 1834 }, 1835 { 1836 .subvendor = 0x1071, 1837 .subdevice = 0x8590, 1838 .name = "Mitac Mobo", 1839 .type = AC97_TUNE_ALC_JACK 1840 }, 1841 { 1842 .subvendor = 0x161f, 1843 .subdevice = 0x202b, 1844 .name = "Arima Notebook", 1845 .type = AC97_TUNE_HP_ONLY, 1846 }, 1847 { 1848 .subvendor = 0x161f, 1849 .subdevice = 0x2032, 1850 .name = "Targa Traveller 811", 1851 .type = AC97_TUNE_HP_ONLY, 1852 }, 1853 { 1854 .subvendor = 0x161f, 1855 .subdevice = 0x2032, 1856 .name = "m680x", 1857 .type = AC97_TUNE_HP_ONLY, /* http://launchpad.net/bugs/38546 */ 1858 }, 1859 { 1860 .subvendor = 0x1297, 1861 .subdevice = 0xa232, 1862 .name = "Shuttle AK32VN", 1863 .type = AC97_TUNE_HP_ONLY 1864 }, 1865 { } /* terminator */ 1866 }; 1867 1868 static int snd_via82xx_mixer_new(struct via82xx *chip, const char *quirk_override) 1869 { 1870 struct snd_ac97_template ac97; 1871 int err; 1872 static const struct snd_ac97_bus_ops ops = { 1873 .write = snd_via82xx_codec_write, 1874 .read = snd_via82xx_codec_read, 1875 .wait = snd_via82xx_codec_wait, 1876 }; 1877 1878 if ((err = snd_ac97_bus(chip->card, 0, &ops, chip, &chip->ac97_bus)) < 0) 1879 return err; 1880 chip->ac97_bus->private_free = snd_via82xx_mixer_free_ac97_bus; 1881 chip->ac97_bus->clock = chip->ac97_clock; 1882 1883 memset(&ac97, 0, sizeof(ac97)); 1884 ac97.private_data = chip; 1885 ac97.private_free = snd_via82xx_mixer_free_ac97; 1886 ac97.pci = chip->pci; 1887 ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE; 1888 if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97, &chip->ac97)) < 0) 1889 return err; 1890 1891 snd_ac97_tune_hardware(chip->ac97, ac97_quirks, quirk_override); 1892 1893 if (chip->chip_type != TYPE_VIA686) { 1894 /* use slot 10/11 */ 1895 snd_ac97_update_bits(chip->ac97, AC97_EXTENDED_STATUS, 0x03 << 4, 0x03 << 4); 1896 } 1897 1898 return 0; 1899 } 1900 1901 #ifdef SUPPORT_JOYSTICK 1902 #define JOYSTICK_ADDR 0x200 1903 static int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1904 { 1905 struct gameport *gp; 1906 struct resource *r; 1907 1908 if (!joystick) 1909 return -ENODEV; 1910 1911 r = request_region(JOYSTICK_ADDR, 8, "VIA686 gameport"); 1912 if (!r) { 1913 dev_warn(chip->card->dev, "cannot reserve joystick port %#x\n", 1914 JOYSTICK_ADDR); 1915 return -EBUSY; 1916 } 1917 1918 chip->gameport = gp = gameport_allocate_port(); 1919 if (!gp) { 1920 dev_err(chip->card->dev, 1921 "cannot allocate memory for gameport\n"); 1922 release_and_free_resource(r); 1923 return -ENOMEM; 1924 } 1925 1926 gameport_set_name(gp, "VIA686 Gameport"); 1927 gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci)); 1928 gameport_set_dev_parent(gp, &chip->pci->dev); 1929 gp->io = JOYSTICK_ADDR; 1930 gameport_set_port_data(gp, r); 1931 1932 /* Enable legacy joystick port */ 1933 *legacy |= VIA_FUNC_ENABLE_GAME; 1934 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, *legacy); 1935 1936 gameport_register_port(chip->gameport); 1937 1938 return 0; 1939 } 1940 1941 static void snd_via686_free_gameport(struct via82xx *chip) 1942 { 1943 if (chip->gameport) { 1944 struct resource *r = gameport_get_port_data(chip->gameport); 1945 1946 gameport_unregister_port(chip->gameport); 1947 chip->gameport = NULL; 1948 release_and_free_resource(r); 1949 } 1950 } 1951 #else 1952 static inline int snd_via686_create_gameport(struct via82xx *chip, unsigned char *legacy) 1953 { 1954 return -ENOSYS; 1955 } 1956 static inline void snd_via686_free_gameport(struct via82xx *chip) { } 1957 #endif 1958 1959 1960 /* 1961 * 1962 */ 1963 1964 static int snd_via8233_init_misc(struct via82xx *chip) 1965 { 1966 int i, err, caps; 1967 unsigned char val; 1968 1969 caps = chip->chip_type == TYPE_VIA8233A ? 1 : 2; 1970 for (i = 0; i < caps; i++) { 1971 snd_via8233_capture_source.index = i; 1972 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_capture_source, chip)); 1973 if (err < 0) 1974 return err; 1975 } 1976 if (ac97_can_spdif(chip->ac97)) { 1977 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_dxs3_spdif_control, chip)); 1978 if (err < 0) 1979 return err; 1980 } 1981 if (chip->chip_type != TYPE_VIA8233A) { 1982 /* when no h/w PCM volume control is found, use DXS volume control 1983 * as the PCM vol control 1984 */ 1985 struct snd_ctl_elem_id sid; 1986 memset(&sid, 0, sizeof(sid)); 1987 strcpy(sid.name, "PCM Playback Volume"); 1988 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 1989 if (! snd_ctl_find_id(chip->card, &sid)) { 1990 dev_info(chip->card->dev, 1991 "Using DXS as PCM Playback\n"); 1992 err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_via8233_pcmdxs_volume_control, chip)); 1993 if (err < 0) 1994 return err; 1995 } 1996 else /* Using DXS when PCM emulation is enabled is really weird */ 1997 { 1998 for (i = 0; i < 4; ++i) { 1999 struct snd_kcontrol *kctl; 2000 2001 kctl = snd_ctl_new1( 2002 &snd_via8233_dxs_volume_control, chip); 2003 if (!kctl) 2004 return -ENOMEM; 2005 kctl->id.subdevice = i; 2006 err = snd_ctl_add(chip->card, kctl); 2007 if (err < 0) 2008 return err; 2009 chip->dxs_controls[i] = kctl; 2010 } 2011 } 2012 } 2013 /* select spdif data slot 10/11 */ 2014 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &val); 2015 val = (val & ~VIA8233_SPDIF_SLOT_MASK) | VIA8233_SPDIF_SLOT_1011; 2016 val &= ~VIA8233_SPDIF_DX3; /* SPDIF off as default */ 2017 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, val); 2018 2019 return 0; 2020 } 2021 2022 static int snd_via686_init_misc(struct via82xx *chip) 2023 { 2024 unsigned char legacy, legacy_cfg; 2025 int rev_h = 0; 2026 2027 legacy = chip->old_legacy; 2028 legacy_cfg = chip->old_legacy_cfg; 2029 legacy |= VIA_FUNC_MIDI_IRQMASK; /* FIXME: correct? (disable MIDI) */ 2030 legacy &= ~VIA_FUNC_ENABLE_GAME; /* disable joystick */ 2031 if (chip->revision >= VIA_REV_686_H) { 2032 rev_h = 1; 2033 if (mpu_port >= 0x200) { /* force MIDI */ 2034 mpu_port &= 0xfffc; 2035 pci_write_config_dword(chip->pci, 0x18, mpu_port | 0x01); 2036 #ifdef CONFIG_PM_SLEEP 2037 chip->mpu_port_saved = mpu_port; 2038 #endif 2039 } else { 2040 mpu_port = pci_resource_start(chip->pci, 2); 2041 } 2042 } else { 2043 switch (mpu_port) { /* force MIDI */ 2044 case 0x300: 2045 case 0x310: 2046 case 0x320: 2047 case 0x330: 2048 legacy_cfg &= ~(3 << 2); 2049 legacy_cfg |= (mpu_port & 0x0030) >> 2; 2050 break; 2051 default: /* no, use BIOS settings */ 2052 if (legacy & VIA_FUNC_ENABLE_MIDI) 2053 mpu_port = 0x300 + ((legacy_cfg & 0x000c) << 2); 2054 break; 2055 } 2056 } 2057 if (mpu_port >= 0x200 && 2058 (chip->mpu_res = request_region(mpu_port, 2, "VIA82xx MPU401")) 2059 != NULL) { 2060 if (rev_h) 2061 legacy |= VIA_FUNC_MIDI_PNP; /* enable PCI I/O 2 */ 2062 legacy |= VIA_FUNC_ENABLE_MIDI; 2063 } else { 2064 if (rev_h) 2065 legacy &= ~VIA_FUNC_MIDI_PNP; /* disable PCI I/O 2 */ 2066 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2067 mpu_port = 0; 2068 } 2069 2070 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2071 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, legacy_cfg); 2072 if (chip->mpu_res) { 2073 if (snd_mpu401_uart_new(chip->card, 0, MPU401_HW_VIA686A, 2074 mpu_port, MPU401_INFO_INTEGRATED | 2075 MPU401_INFO_IRQ_HOOK, -1, 2076 &chip->rmidi) < 0) { 2077 dev_warn(chip->card->dev, 2078 "unable to initialize MPU-401 at 0x%lx, skipping\n", 2079 mpu_port); 2080 legacy &= ~VIA_FUNC_ENABLE_MIDI; 2081 } else { 2082 legacy &= ~VIA_FUNC_MIDI_IRQMASK; /* enable MIDI interrupt */ 2083 } 2084 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, legacy); 2085 } 2086 2087 snd_via686_create_gameport(chip, &legacy); 2088 2089 #ifdef CONFIG_PM_SLEEP 2090 chip->legacy_saved = legacy; 2091 chip->legacy_cfg_saved = legacy_cfg; 2092 #endif 2093 2094 return 0; 2095 } 2096 2097 2098 /* 2099 * proc interface 2100 */ 2101 static void snd_via82xx_proc_read(struct snd_info_entry *entry, 2102 struct snd_info_buffer *buffer) 2103 { 2104 struct via82xx *chip = entry->private_data; 2105 int i; 2106 2107 snd_iprintf(buffer, "%s\n\n", chip->card->longname); 2108 for (i = 0; i < 0xa0; i += 4) { 2109 snd_iprintf(buffer, "%02x: %08x\n", i, inl(chip->port + i)); 2110 } 2111 } 2112 2113 static void snd_via82xx_proc_init(struct via82xx *chip) 2114 { 2115 snd_card_ro_proc_new(chip->card, "via82xx", chip, 2116 snd_via82xx_proc_read); 2117 } 2118 2119 /* 2120 * 2121 */ 2122 2123 static int snd_via82xx_chip_init(struct via82xx *chip) 2124 { 2125 unsigned int val; 2126 unsigned long end_time; 2127 unsigned char pval; 2128 2129 #if 0 /* broken on K7M? */ 2130 if (chip->chip_type == TYPE_VIA686) 2131 /* disable all legacy ports */ 2132 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 0); 2133 #endif 2134 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2135 if (! (pval & VIA_ACLINK_C00_READY)) { /* codec not ready? */ 2136 /* deassert ACLink reset, force SYNC */ 2137 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2138 VIA_ACLINK_CTRL_ENABLE | 2139 VIA_ACLINK_CTRL_RESET | 2140 VIA_ACLINK_CTRL_SYNC); 2141 udelay(100); 2142 #if 1 /* FIXME: should we do full reset here for all chip models? */ 2143 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 0x00); 2144 udelay(100); 2145 #else 2146 /* deassert ACLink reset, force SYNC (warm AC'97 reset) */ 2147 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, 2148 VIA_ACLINK_CTRL_RESET|VIA_ACLINK_CTRL_SYNC); 2149 udelay(2); 2150 #endif 2151 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2152 /* note - FM data out has trouble with non VRA codecs !! */ 2153 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2154 udelay(100); 2155 } 2156 2157 /* Make sure VRA is enabled, in case we didn't do a 2158 * complete codec reset, above */ 2159 pci_read_config_byte(chip->pci, VIA_ACLINK_CTRL, &pval); 2160 if ((pval & VIA_ACLINK_CTRL_INIT) != VIA_ACLINK_CTRL_INIT) { 2161 /* ACLink on, deassert ACLink reset, VSR, SGD data out */ 2162 /* note - FM data out has trouble with non VRA codecs !! */ 2163 pci_write_config_byte(chip->pci, VIA_ACLINK_CTRL, VIA_ACLINK_CTRL_INIT); 2164 udelay(100); 2165 } 2166 2167 /* wait until codec ready */ 2168 end_time = jiffies + msecs_to_jiffies(750); 2169 do { 2170 pci_read_config_byte(chip->pci, VIA_ACLINK_STAT, &pval); 2171 if (pval & VIA_ACLINK_C00_READY) /* primary codec ready */ 2172 break; 2173 schedule_timeout_uninterruptible(1); 2174 } while (time_before(jiffies, end_time)); 2175 2176 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_BUSY) 2177 dev_err(chip->card->dev, 2178 "AC'97 codec is not ready [0x%x]\n", val); 2179 2180 #if 0 /* FIXME: we don't support the second codec yet so skip the detection now.. */ 2181 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2182 VIA_REG_AC97_SECONDARY_VALID | 2183 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2184 end_time = jiffies + msecs_to_jiffies(750); 2185 snd_via82xx_codec_xwrite(chip, VIA_REG_AC97_READ | 2186 VIA_REG_AC97_SECONDARY_VALID | 2187 (VIA_REG_AC97_CODEC_ID_SECONDARY << VIA_REG_AC97_CODEC_ID_SHIFT)); 2188 do { 2189 if ((val = snd_via82xx_codec_xread(chip)) & VIA_REG_AC97_SECONDARY_VALID) { 2190 chip->ac97_secondary = 1; 2191 goto __ac97_ok2; 2192 } 2193 schedule_timeout_uninterruptible(1); 2194 } while (time_before(jiffies, end_time)); 2195 /* This is ok, the most of motherboards have only one codec */ 2196 2197 __ac97_ok2: 2198 #endif 2199 2200 if (chip->chip_type == TYPE_VIA686) { 2201 /* route FM trap to IRQ, disable FM trap */ 2202 pci_write_config_byte(chip->pci, VIA_FM_NMI_CTRL, 0); 2203 /* disable all GPI interrupts */ 2204 outl(0, VIAREG(chip, GPI_INTR)); 2205 } 2206 2207 if (chip->chip_type != TYPE_VIA686) { 2208 /* Workaround for Award BIOS bug: 2209 * DXS channels don't work properly with VRA if MC97 is disabled. 2210 */ 2211 struct pci_dev *pci; 2212 pci = pci_get_device(0x1106, 0x3068, NULL); /* MC97 */ 2213 if (pci) { 2214 unsigned char data; 2215 pci_read_config_byte(pci, 0x44, &data); 2216 pci_write_config_byte(pci, 0x44, data | 0x40); 2217 pci_dev_put(pci); 2218 } 2219 } 2220 2221 if (chip->chip_type != TYPE_VIA8233A) { 2222 int i, idx; 2223 for (idx = 0; idx < 4; idx++) { 2224 unsigned long port = chip->port + 0x10 * idx; 2225 for (i = 0; i < 2; i++) { 2226 chip->playback_volume[idx][i]=chip->playback_volume_c[i]; 2227 outb(chip->playback_volume_c[i], 2228 port + VIA_REG_OFS_PLAYBACK_VOLUME_L + i); 2229 } 2230 } 2231 } 2232 2233 return 0; 2234 } 2235 2236 #ifdef CONFIG_PM_SLEEP 2237 /* 2238 * power management 2239 */ 2240 static int snd_via82xx_suspend(struct device *dev) 2241 { 2242 struct snd_card *card = dev_get_drvdata(dev); 2243 struct via82xx *chip = card->private_data; 2244 int i; 2245 2246 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); 2247 for (i = 0; i < chip->num_devs; i++) 2248 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2249 snd_ac97_suspend(chip->ac97); 2250 2251 /* save misc values */ 2252 if (chip->chip_type != TYPE_VIA686) { 2253 pci_read_config_byte(chip->pci, VIA8233_SPDIF_CTRL, &chip->spdif_ctrl_saved); 2254 chip->capture_src_saved[0] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL); 2255 chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2256 } 2257 2258 return 0; 2259 } 2260 2261 static int snd_via82xx_resume(struct device *dev) 2262 { 2263 struct snd_card *card = dev_get_drvdata(dev); 2264 struct via82xx *chip = card->private_data; 2265 int i; 2266 2267 snd_via82xx_chip_init(chip); 2268 2269 if (chip->chip_type == TYPE_VIA686) { 2270 if (chip->mpu_port_saved) 2271 pci_write_config_dword(chip->pci, 0x18, chip->mpu_port_saved | 0x01); 2272 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->legacy_saved); 2273 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->legacy_cfg_saved); 2274 } else { 2275 pci_write_config_byte(chip->pci, VIA8233_SPDIF_CTRL, chip->spdif_ctrl_saved); 2276 outb(chip->capture_src_saved[0], chip->port + VIA_REG_CAPTURE_CHANNEL); 2277 outb(chip->capture_src_saved[1], chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10); 2278 } 2279 2280 snd_ac97_resume(chip->ac97); 2281 2282 for (i = 0; i < chip->num_devs; i++) 2283 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2284 2285 snd_power_change_state(card, SNDRV_CTL_POWER_D0); 2286 return 0; 2287 } 2288 2289 static SIMPLE_DEV_PM_OPS(snd_via82xx_pm, snd_via82xx_suspend, snd_via82xx_resume); 2290 #define SND_VIA82XX_PM_OPS &snd_via82xx_pm 2291 #else 2292 #define SND_VIA82XX_PM_OPS NULL 2293 #endif /* CONFIG_PM_SLEEP */ 2294 2295 static int snd_via82xx_free(struct via82xx *chip) 2296 { 2297 unsigned int i; 2298 2299 if (chip->irq < 0) 2300 goto __end_hw; 2301 /* disable interrupts */ 2302 for (i = 0; i < chip->num_devs; i++) 2303 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2304 2305 if (chip->irq >= 0) 2306 free_irq(chip->irq, chip); 2307 __end_hw: 2308 release_and_free_resource(chip->mpu_res); 2309 pci_release_regions(chip->pci); 2310 2311 if (chip->chip_type == TYPE_VIA686) { 2312 snd_via686_free_gameport(chip); 2313 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, chip->old_legacy); 2314 pci_write_config_byte(chip->pci, VIA_PNP_CONTROL, chip->old_legacy_cfg); 2315 } 2316 pci_disable_device(chip->pci); 2317 kfree(chip); 2318 return 0; 2319 } 2320 2321 static int snd_via82xx_dev_free(struct snd_device *device) 2322 { 2323 struct via82xx *chip = device->device_data; 2324 return snd_via82xx_free(chip); 2325 } 2326 2327 static int snd_via82xx_create(struct snd_card *card, 2328 struct pci_dev *pci, 2329 int chip_type, 2330 int revision, 2331 unsigned int ac97_clock, 2332 struct via82xx **r_via) 2333 { 2334 struct via82xx *chip; 2335 int err; 2336 static const struct snd_device_ops ops = { 2337 .dev_free = snd_via82xx_dev_free, 2338 }; 2339 2340 if ((err = pci_enable_device(pci)) < 0) 2341 return err; 2342 2343 if ((chip = kzalloc(sizeof(*chip), GFP_KERNEL)) == NULL) { 2344 pci_disable_device(pci); 2345 return -ENOMEM; 2346 } 2347 2348 chip->chip_type = chip_type; 2349 chip->revision = revision; 2350 2351 spin_lock_init(&chip->reg_lock); 2352 spin_lock_init(&chip->rates[0].lock); 2353 spin_lock_init(&chip->rates[1].lock); 2354 chip->card = card; 2355 chip->pci = pci; 2356 chip->irq = -1; 2357 2358 pci_read_config_byte(pci, VIA_FUNC_ENABLE, &chip->old_legacy); 2359 pci_read_config_byte(pci, VIA_PNP_CONTROL, &chip->old_legacy_cfg); 2360 pci_write_config_byte(chip->pci, VIA_FUNC_ENABLE, 2361 chip->old_legacy & ~(VIA_FUNC_ENABLE_SB|VIA_FUNC_ENABLE_FM)); 2362 2363 if ((err = pci_request_regions(pci, card->driver)) < 0) { 2364 kfree(chip); 2365 pci_disable_device(pci); 2366 return err; 2367 } 2368 chip->port = pci_resource_start(pci, 0); 2369 if (request_irq(pci->irq, 2370 chip_type == TYPE_VIA8233 ? 2371 snd_via8233_interrupt : snd_via686_interrupt, 2372 IRQF_SHARED, 2373 KBUILD_MODNAME, chip)) { 2374 dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq); 2375 snd_via82xx_free(chip); 2376 return -EBUSY; 2377 } 2378 chip->irq = pci->irq; 2379 card->sync_irq = chip->irq; 2380 if (ac97_clock >= 8000 && ac97_clock <= 48000) 2381 chip->ac97_clock = ac97_clock; 2382 2383 if ((err = snd_via82xx_chip_init(chip)) < 0) { 2384 snd_via82xx_free(chip); 2385 return err; 2386 } 2387 2388 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { 2389 snd_via82xx_free(chip); 2390 return err; 2391 } 2392 2393 /* The 8233 ac97 controller does not implement the master bit 2394 * in the pci command register. IMHO this is a violation of the PCI spec. 2395 * We call pci_set_master here because it does not hurt. */ 2396 pci_set_master(pci); 2397 2398 *r_via = chip; 2399 return 0; 2400 } 2401 2402 struct via823x_info { 2403 int revision; 2404 char *name; 2405 int type; 2406 }; 2407 static const struct via823x_info via823x_cards[] = { 2408 { VIA_REV_PRE_8233, "VIA 8233-Pre", TYPE_VIA8233 }, 2409 { VIA_REV_8233C, "VIA 8233C", TYPE_VIA8233 }, 2410 { VIA_REV_8233, "VIA 8233", TYPE_VIA8233 }, 2411 { VIA_REV_8233A, "VIA 8233A", TYPE_VIA8233A }, 2412 { VIA_REV_8235, "VIA 8235", TYPE_VIA8233 }, 2413 { VIA_REV_8237, "VIA 8237", TYPE_VIA8233 }, 2414 { VIA_REV_8251, "VIA 8251", TYPE_VIA8233 }, 2415 }; 2416 2417 /* 2418 * auto detection of DXS channel supports. 2419 */ 2420 2421 static const struct snd_pci_quirk dxs_allowlist[] = { 2422 SND_PCI_QUIRK(0x1005, 0x4710, "Avance Logic Mobo", VIA_DXS_ENABLE), 2423 SND_PCI_QUIRK(0x1019, 0x0996, "ESC Mobo", VIA_DXS_48K), 2424 SND_PCI_QUIRK(0x1019, 0x0a81, "ECS K7VTA3 v8.0", VIA_DXS_NO_VRA), 2425 SND_PCI_QUIRK(0x1019, 0x0a85, "ECS L7VMM2", VIA_DXS_NO_VRA), 2426 SND_PCI_QUIRK_VENDOR(0x1019, "ESC K8", VIA_DXS_SRC), 2427 SND_PCI_QUIRK(0x1019, 0xaa01, "ESC K8T890-A", VIA_DXS_SRC), 2428 SND_PCI_QUIRK(0x1025, 0x0033, "Acer Inspire 1353LM", VIA_DXS_NO_VRA), 2429 SND_PCI_QUIRK(0x1025, 0x0046, "Acer Aspire 1524 WLMi", VIA_DXS_SRC), 2430 SND_PCI_QUIRK_VENDOR(0x1043, "ASUS A7/A8", VIA_DXS_NO_VRA), 2431 SND_PCI_QUIRK_VENDOR(0x1071, "Diverse Notebook", VIA_DXS_NO_VRA), 2432 SND_PCI_QUIRK(0x10cf, 0x118e, "FSC Laptop", VIA_DXS_ENABLE), 2433 SND_PCI_QUIRK_VENDOR(0x1106, "ASRock", VIA_DXS_SRC), 2434 SND_PCI_QUIRK(0x1297, 0xa231, "Shuttle AK31v2", VIA_DXS_SRC), 2435 SND_PCI_QUIRK(0x1297, 0xa232, "Shuttle", VIA_DXS_SRC), 2436 SND_PCI_QUIRK(0x1297, 0xc160, "Shuttle Sk41G", VIA_DXS_SRC), 2437 SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte GA-7VAXP", VIA_DXS_ENABLE), 2438 SND_PCI_QUIRK(0x1462, 0x3800, "MSI KT266", VIA_DXS_ENABLE), 2439 SND_PCI_QUIRK(0x1462, 0x7120, "MSI KT4V", VIA_DXS_ENABLE), 2440 SND_PCI_QUIRK(0x1462, 0x7142, "MSI K8MM-V", VIA_DXS_ENABLE), 2441 SND_PCI_QUIRK_VENDOR(0x1462, "MSI Mobo", VIA_DXS_SRC), 2442 SND_PCI_QUIRK(0x147b, 0x1401, "ABIT KD7(-RAID)", VIA_DXS_ENABLE), 2443 SND_PCI_QUIRK(0x147b, 0x1411, "ABIT VA-20", VIA_DXS_ENABLE), 2444 SND_PCI_QUIRK(0x147b, 0x1413, "ABIT KV8 Pro", VIA_DXS_ENABLE), 2445 SND_PCI_QUIRK(0x147b, 0x1415, "ABIT AV8", VIA_DXS_NO_VRA), 2446 SND_PCI_QUIRK(0x14ff, 0x0403, "Twinhead mobo", VIA_DXS_ENABLE), 2447 SND_PCI_QUIRK(0x14ff, 0x0408, "Twinhead laptop", VIA_DXS_SRC), 2448 SND_PCI_QUIRK(0x1558, 0x4701, "Clevo D470", VIA_DXS_SRC), 2449 SND_PCI_QUIRK(0x1584, 0x8120, "Diverse Laptop", VIA_DXS_ENABLE), 2450 SND_PCI_QUIRK(0x1584, 0x8123, "Targa/Uniwill", VIA_DXS_NO_VRA), 2451 SND_PCI_QUIRK(0x161f, 0x202b, "Amira Notebook", VIA_DXS_NO_VRA), 2452 SND_PCI_QUIRK(0x161f, 0x2032, "m680x machines", VIA_DXS_48K), 2453 SND_PCI_QUIRK(0x1631, 0xe004, "PB EasyNote 3174", VIA_DXS_ENABLE), 2454 SND_PCI_QUIRK(0x1695, 0x3005, "EPoX EP-8K9A", VIA_DXS_ENABLE), 2455 SND_PCI_QUIRK_VENDOR(0x1695, "EPoX mobo", VIA_DXS_SRC), 2456 SND_PCI_QUIRK_VENDOR(0x16f3, "Jetway K8", VIA_DXS_SRC), 2457 SND_PCI_QUIRK_VENDOR(0x1734, "FSC Laptop", VIA_DXS_SRC), 2458 SND_PCI_QUIRK(0x1849, 0x3059, "ASRock K7VM2", VIA_DXS_NO_VRA), 2459 SND_PCI_QUIRK_VENDOR(0x1849, "ASRock mobo", VIA_DXS_SRC), 2460 SND_PCI_QUIRK(0x1919, 0x200a, "Soltek SL-K8", VIA_DXS_NO_VRA), 2461 SND_PCI_QUIRK(0x4005, 0x4710, "MSI K7T266", VIA_DXS_SRC), 2462 { } /* terminator */ 2463 }; 2464 2465 static int check_dxs_list(struct pci_dev *pci, int revision) 2466 { 2467 const struct snd_pci_quirk *w; 2468 2469 w = snd_pci_quirk_lookup(pci, dxs_allowlist); 2470 if (w) { 2471 dev_dbg(&pci->dev, "DXS allow list for %s found\n", 2472 snd_pci_quirk_name(w)); 2473 return w->value; 2474 } 2475 2476 /* for newer revision, default to DXS_SRC */ 2477 if (revision >= VIA_REV_8235) 2478 return VIA_DXS_SRC; 2479 2480 /* 2481 * not detected, try 48k rate only to be sure. 2482 */ 2483 dev_info(&pci->dev, "Assuming DXS channels with 48k fixed sample rate.\n"); 2484 dev_info(&pci->dev, " Please try dxs_support=5 option\n"); 2485 dev_info(&pci->dev, " and report if it works on your machine.\n"); 2486 dev_info(&pci->dev, " For more details, read ALSA-Configuration.txt.\n"); 2487 return VIA_DXS_48K; 2488 }; 2489 2490 static int snd_via82xx_probe(struct pci_dev *pci, 2491 const struct pci_device_id *pci_id) 2492 { 2493 struct snd_card *card; 2494 struct via82xx *chip; 2495 int chip_type = 0, card_type; 2496 unsigned int i; 2497 int err; 2498 2499 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card); 2500 if (err < 0) 2501 return err; 2502 2503 card_type = pci_id->driver_data; 2504 switch (card_type) { 2505 case TYPE_CARD_VIA686: 2506 strcpy(card->driver, "VIA686A"); 2507 sprintf(card->shortname, "VIA 82C686A/B rev%x", pci->revision); 2508 chip_type = TYPE_VIA686; 2509 break; 2510 case TYPE_CARD_VIA8233: 2511 chip_type = TYPE_VIA8233; 2512 sprintf(card->shortname, "VIA 823x rev%x", pci->revision); 2513 for (i = 0; i < ARRAY_SIZE(via823x_cards); i++) { 2514 if (pci->revision == via823x_cards[i].revision) { 2515 chip_type = via823x_cards[i].type; 2516 strcpy(card->shortname, via823x_cards[i].name); 2517 break; 2518 } 2519 } 2520 if (chip_type != TYPE_VIA8233A) { 2521 if (dxs_support == VIA_DXS_AUTO) 2522 dxs_support = check_dxs_list(pci, pci->revision); 2523 /* force to use VIA8233 or 8233A model according to 2524 * dxs_support module option 2525 */ 2526 if (dxs_support == VIA_DXS_DISABLE) 2527 chip_type = TYPE_VIA8233A; 2528 else 2529 chip_type = TYPE_VIA8233; 2530 } 2531 if (chip_type == TYPE_VIA8233A) 2532 strcpy(card->driver, "VIA8233A"); 2533 else if (pci->revision >= VIA_REV_8237) 2534 strcpy(card->driver, "VIA8237"); /* no slog assignment */ 2535 else 2536 strcpy(card->driver, "VIA8233"); 2537 break; 2538 default: 2539 dev_err(card->dev, "invalid card type %d\n", card_type); 2540 err = -EINVAL; 2541 goto __error; 2542 } 2543 2544 if ((err = snd_via82xx_create(card, pci, chip_type, pci->revision, 2545 ac97_clock, &chip)) < 0) 2546 goto __error; 2547 card->private_data = chip; 2548 if ((err = snd_via82xx_mixer_new(chip, ac97_quirk)) < 0) 2549 goto __error; 2550 2551 if (chip_type == TYPE_VIA686) { 2552 if ((err = snd_via686_pcm_new(chip)) < 0 || 2553 (err = snd_via686_init_misc(chip)) < 0) 2554 goto __error; 2555 } else { 2556 if (chip_type == TYPE_VIA8233A) { 2557 if ((err = snd_via8233a_pcm_new(chip)) < 0) 2558 goto __error; 2559 // chip->dxs_fixed = 1; /* FIXME: use 48k for DXS #3? */ 2560 } else { 2561 if ((err = snd_via8233_pcm_new(chip)) < 0) 2562 goto __error; 2563 if (dxs_support == VIA_DXS_48K) 2564 chip->dxs_fixed = 1; 2565 else if (dxs_support == VIA_DXS_NO_VRA) 2566 chip->no_vra = 1; 2567 else if (dxs_support == VIA_DXS_SRC) { 2568 chip->no_vra = 1; 2569 chip->dxs_src = 1; 2570 } 2571 } 2572 if ((err = snd_via8233_init_misc(chip)) < 0) 2573 goto __error; 2574 } 2575 2576 /* disable interrupts */ 2577 for (i = 0; i < chip->num_devs; i++) 2578 snd_via82xx_channel_reset(chip, &chip->devs[i]); 2579 2580 snprintf(card->longname, sizeof(card->longname), 2581 "%s with %s at %#lx, irq %d", card->shortname, 2582 snd_ac97_get_short_name(chip->ac97), chip->port, chip->irq); 2583 2584 snd_via82xx_proc_init(chip); 2585 2586 if ((err = snd_card_register(card)) < 0) { 2587 snd_card_free(card); 2588 return err; 2589 } 2590 pci_set_drvdata(pci, card); 2591 return 0; 2592 2593 __error: 2594 snd_card_free(card); 2595 return err; 2596 } 2597 2598 static void snd_via82xx_remove(struct pci_dev *pci) 2599 { 2600 snd_card_free(pci_get_drvdata(pci)); 2601 } 2602 2603 static struct pci_driver via82xx_driver = { 2604 .name = KBUILD_MODNAME, 2605 .id_table = snd_via82xx_ids, 2606 .probe = snd_via82xx_probe, 2607 .remove = snd_via82xx_remove, 2608 .driver = { 2609 .pm = SND_VIA82XX_PM_OPS, 2610 }, 2611 }; 2612 2613 module_pci_driver(via82xx_driver); 2614