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37#include <asm/io.h>
38#include <linux/delay.h>
39#include <linux/interrupt.h>
40#include <linux/kernel.h>
41#include <linux/module.h>
42#include <linux/dma-mapping.h>
43#include <linux/moduleparam.h>
44#include <linux/init.h>
45#include <linux/slab.h>
46#include <linux/pci.h>
47#include <linux/mutex.h>
48#include <linux/reboot.h>
49#include <sound/core.h>
50#include <sound/initval.h>
51#include "hda_codec.h"
52
53
54static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
55static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
56static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
57static char *model[SNDRV_CARDS];
58static int position_fix[SNDRV_CARDS];
59static int bdl_pos_adj[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
60static int probe_mask[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = -1};
61static int probe_only[SNDRV_CARDS];
62static int single_cmd;
63static int enable_msi;
64#ifdef CONFIG_SND_HDA_PATCH_LOADER
65static char *patch[SNDRV_CARDS];
66#endif
67
68module_param_array(index, int, NULL, 0444);
69MODULE_PARM_DESC(index, "Index value for Intel HD audio interface.");
70module_param_array(id, charp, NULL, 0444);
71MODULE_PARM_DESC(id, "ID string for Intel HD audio interface.");
72module_param_array(enable, bool, NULL, 0444);
73MODULE_PARM_DESC(enable, "Enable Intel HD audio interface.");
74module_param_array(model, charp, NULL, 0444);
75MODULE_PARM_DESC(model, "Use the given board model.");
76module_param_array(position_fix, int, NULL, 0444);
77MODULE_PARM_DESC(position_fix, "Fix DMA pointer "
78 "(0 = auto, 1 = none, 2 = POSBUF).");
79module_param_array(bdl_pos_adj, int, NULL, 0644);
80MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
81module_param_array(probe_mask, int, NULL, 0444);
82MODULE_PARM_DESC(probe_mask, "Bitmask to probe codecs (default = -1).");
83module_param_array(probe_only, bool, NULL, 0444);
84MODULE_PARM_DESC(probe_only, "Only probing and no codec initialization.");
85module_param(single_cmd, bool, 0444);
86MODULE_PARM_DESC(single_cmd, "Use single command to communicate with codecs "
87 "(for debugging only).");
88module_param(enable_msi, int, 0444);
89MODULE_PARM_DESC(enable_msi, "Enable Message Signaled Interrupt (MSI)");
90#ifdef CONFIG_SND_HDA_PATCH_LOADER
91module_param_array(patch, charp, NULL, 0444);
92MODULE_PARM_DESC(patch, "Patch file for Intel HD audio interface.");
93#endif
94
95#ifdef CONFIG_SND_HDA_POWER_SAVE
96static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT;
97module_param(power_save, int, 0644);
98MODULE_PARM_DESC(power_save, "Automatic power-saving timeout "
99 "(in second, 0 = disable).");
100
101
102
103
104
105static int power_save_controller = 1;
106module_param(power_save_controller, bool, 0644);
107MODULE_PARM_DESC(power_save_controller, "Reset controller in power save mode.");
108#endif
109
110MODULE_LICENSE("GPL");
111MODULE_SUPPORTED_DEVICE("{{Intel, ICH6},"
112 "{Intel, ICH6M},"
113 "{Intel, ICH7},"
114 "{Intel, ESB2},"
115 "{Intel, ICH8},"
116 "{Intel, ICH9},"
117 "{Intel, ICH10},"
118 "{Intel, PCH},"
119 "{Intel, SCH},"
120 "{ATI, SB450},"
121 "{ATI, SB600},"
122 "{ATI, RS600},"
123 "{ATI, RS690},"
124 "{ATI, RS780},"
125 "{ATI, R600},"
126 "{ATI, RV630},"
127 "{ATI, RV610},"
128 "{ATI, RV670},"
129 "{ATI, RV635},"
130 "{ATI, RV620},"
131 "{ATI, RV770},"
132 "{VIA, VT8251},"
133 "{VIA, VT8237A},"
134 "{SiS, SIS966},"
135 "{ULI, M5461}}");
136MODULE_DESCRIPTION("Intel HDA driver");
137
138#ifdef CONFIG_SND_VERBOSE_PRINTK
139#define SFX
140#else
141#define SFX "hda-intel: "
142#endif
143
144
145
146
147#define ICH6_REG_GCAP 0x00
148#define ICH6_GCAP_64OK (1 << 0)
149#define ICH6_GCAP_NSDO (3 << 1)
150#define ICH6_GCAP_BSS (31 << 3)
151#define ICH6_GCAP_ISS (15 << 8)
152#define ICH6_GCAP_OSS (15 << 12)
153#define ICH6_REG_VMIN 0x02
154#define ICH6_REG_VMAJ 0x03
155#define ICH6_REG_OUTPAY 0x04
156#define ICH6_REG_INPAY 0x06
157#define ICH6_REG_GCTL 0x08
158#define ICH6_GCTL_RESET (1 << 0)
159#define ICH6_GCTL_FCNTRL (1 << 1)
160#define ICH6_GCTL_UNSOL (1 << 8)
161#define ICH6_REG_WAKEEN 0x0c
162#define ICH6_REG_STATESTS 0x0e
163#define ICH6_REG_GSTS 0x10
164#define ICH6_GSTS_FSTS (1 << 1)
165#define ICH6_REG_INTCTL 0x20
166#define ICH6_REG_INTSTS 0x24
167#define ICH6_REG_WALCLK 0x30
168#define ICH6_REG_SYNC 0x34
169#define ICH6_REG_CORBLBASE 0x40
170#define ICH6_REG_CORBUBASE 0x44
171#define ICH6_REG_CORBWP 0x48
172#define ICH6_REG_CORBRP 0x4a
173#define ICH6_CORBRP_RST (1 << 15)
174#define ICH6_REG_CORBCTL 0x4c
175#define ICH6_CORBCTL_RUN (1 << 1)
176#define ICH6_CORBCTL_CMEIE (1 << 0)
177#define ICH6_REG_CORBSTS 0x4d
178#define ICH6_CORBSTS_CMEI (1 << 0)
179#define ICH6_REG_CORBSIZE 0x4e
180
181#define ICH6_REG_RIRBLBASE 0x50
182#define ICH6_REG_RIRBUBASE 0x54
183#define ICH6_REG_RIRBWP 0x58
184#define ICH6_RIRBWP_RST (1 << 15)
185#define ICH6_REG_RINTCNT 0x5a
186#define ICH6_REG_RIRBCTL 0x5c
187#define ICH6_RBCTL_IRQ_EN (1 << 0)
188#define ICH6_RBCTL_DMA_EN (1 << 1)
189#define ICH6_RBCTL_OVERRUN_EN (1 << 2)
190#define ICH6_REG_RIRBSTS 0x5d
191#define ICH6_RBSTS_IRQ (1 << 0)
192#define ICH6_RBSTS_OVERRUN (1 << 2)
193#define ICH6_REG_RIRBSIZE 0x5e
194
195#define ICH6_REG_IC 0x60
196#define ICH6_REG_IR 0x64
197#define ICH6_REG_IRS 0x68
198#define ICH6_IRS_VALID (1<<1)
199#define ICH6_IRS_BUSY (1<<0)
200
201#define ICH6_REG_DPLBASE 0x70
202#define ICH6_REG_DPUBASE 0x74
203#define ICH6_DPLBASE_ENABLE 0x1
204
205
206enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
207
208
209#define ICH6_REG_SD_CTL 0x00
210#define ICH6_REG_SD_STS 0x03
211#define ICH6_REG_SD_LPIB 0x04
212#define ICH6_REG_SD_CBL 0x08
213#define ICH6_REG_SD_LVI 0x0c
214#define ICH6_REG_SD_FIFOW 0x0e
215#define ICH6_REG_SD_FIFOSIZE 0x10
216#define ICH6_REG_SD_FORMAT 0x12
217#define ICH6_REG_SD_BDLPL 0x18
218#define ICH6_REG_SD_BDLPU 0x1c
219
220
221#define ICH6_PCIREG_TCSEL 0x44
222
223
224
225
226
227
228
229#define ICH6_NUM_CAPTURE 4
230#define ICH6_NUM_PLAYBACK 4
231
232
233#define ULI_NUM_CAPTURE 5
234#define ULI_NUM_PLAYBACK 6
235
236
237#define ATIHDMI_NUM_CAPTURE 0
238#define ATIHDMI_NUM_PLAYBACK 1
239
240
241#define TERA_NUM_CAPTURE 3
242#define TERA_NUM_PLAYBACK 4
243
244
245#define MAX_AZX_DEV 16
246
247
248#define BDL_SIZE 4096
249#define AZX_MAX_BDL_ENTRIES (BDL_SIZE / 16)
250#define AZX_MAX_FRAG 32
251
252#define AZX_MAX_BUF_SIZE (1024*1024*1024)
253
254#define AZX_MAX_PCMS 8
255
256
257#define RIRB_INT_RESPONSE 0x01
258#define RIRB_INT_OVERRUN 0x04
259#define RIRB_INT_MASK 0x05
260
261
262#define AZX_MAX_CODECS 4
263#define STATESTS_INT_MASK ((1 << AZX_MAX_CODECS) - 1)
264
265
266#define SD_CTL_STREAM_RESET 0x01
267#define SD_CTL_DMA_START 0x02
268#define SD_CTL_STRIPE (3 << 16)
269#define SD_CTL_TRAFFIC_PRIO (1 << 18)
270#define SD_CTL_DIR (1 << 19)
271#define SD_CTL_STREAM_TAG_MASK (0xf << 20)
272#define SD_CTL_STREAM_TAG_SHIFT 20
273
274
275#define SD_INT_DESC_ERR 0x10
276#define SD_INT_FIFO_ERR 0x08
277#define SD_INT_COMPLETE 0x04
278#define SD_INT_MASK (SD_INT_DESC_ERR|SD_INT_FIFO_ERR|\
279 SD_INT_COMPLETE)
280
281
282#define SD_STS_FIFO_READY 0x20
283
284
285#define ICH6_INT_ALL_STREAM 0xff
286#define ICH6_INT_CTRL_EN 0x40000000
287#define ICH6_INT_GLOBAL_EN 0x80000000
288
289
290#define ICH6_MAX_CORB_ENTRIES 256
291#define ICH6_MAX_RIRB_ENTRIES 256
292
293
294enum {
295 POS_FIX_AUTO,
296 POS_FIX_LPIB,
297 POS_FIX_POSBUF,
298};
299
300
301#define ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR 0x42
302#define ATI_SB450_HDAUDIO_ENABLE_SNOOP 0x02
303
304
305#define NVIDIA_HDA_TRANSREG_ADDR 0x4e
306#define NVIDIA_HDA_ENABLE_COHBITS 0x0f
307#define NVIDIA_HDA_ISTRM_COH 0x4d
308#define NVIDIA_HDA_OSTRM_COH 0x4c
309#define NVIDIA_HDA_ENABLE_COHBIT 0x01
310
311
312#define INTEL_SCH_HDA_DEVC 0x78
313#define INTEL_SCH_HDA_DEVC_NOSNOOP (0x1<<11)
314
315
316#define VIA_IN_STREAM0_FIFO_SIZE_OFFSET 0x90
317
318#define VIA_HDAC_DEVICE_ID 0x3288
319
320
321#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
322
323
324
325
326struct azx_dev {
327 struct snd_dma_buffer bdl;
328 u32 *posbuf;
329
330 unsigned int bufsize;
331 unsigned int period_bytes;
332 unsigned int frags;
333 unsigned int fifo_size;
334 unsigned long start_jiffies;
335 unsigned long min_jiffies;
336
337 void __iomem *sd_addr;
338
339 u32 sd_int_sta_mask;
340
341
342 struct snd_pcm_substream *substream;
343
344
345 unsigned int format_val;
346
347
348 unsigned char stream_tag;
349 unsigned char index;
350
351 unsigned int opened :1;
352 unsigned int running :1;
353 unsigned int irq_pending :1;
354 unsigned int start_flag: 1;
355
356
357
358
359
360 unsigned int insufficient :1;
361};
362
363
364struct azx_rb {
365 u32 *buf;
366
367
368 dma_addr_t addr;
369
370 unsigned short rp, wp;
371 int cmds[AZX_MAX_CODECS];
372 u32 res[AZX_MAX_CODECS];
373};
374
375struct azx {
376 struct snd_card *card;
377 struct pci_dev *pci;
378 int dev_index;
379
380
381 int driver_type;
382 int playback_streams;
383 int playback_index_offset;
384 int capture_streams;
385 int capture_index_offset;
386 int num_streams;
387
388
389 unsigned long addr;
390 void __iomem *remap_addr;
391 int irq;
392
393
394 spinlock_t reg_lock;
395 struct mutex open_mutex;
396
397
398 struct azx_dev *azx_dev;
399
400
401 struct snd_pcm *pcm[AZX_MAX_PCMS];
402
403
404 unsigned short codec_mask;
405 int codec_probe_mask;
406 struct hda_bus *bus;
407
408
409 struct azx_rb corb;
410 struct azx_rb rirb;
411
412
413 struct snd_dma_buffer rb;
414 struct snd_dma_buffer posbuf;
415
416
417 int position_fix;
418 unsigned int running :1;
419 unsigned int initialized :1;
420 unsigned int single_cmd :1;
421 unsigned int polling_mode :1;
422 unsigned int msi :1;
423 unsigned int irq_pending_warned :1;
424 unsigned int via_dmapos_patch :1;
425 unsigned int probing :1;
426
427
428 unsigned int last_cmd[AZX_MAX_CODECS];
429
430
431 struct work_struct irq_pending_work;
432
433
434 struct notifier_block reboot_notifier;
435};
436
437
438enum {
439 AZX_DRIVER_ICH,
440 AZX_DRIVER_SCH,
441 AZX_DRIVER_ATI,
442 AZX_DRIVER_ATIHDMI,
443 AZX_DRIVER_VIA,
444 AZX_DRIVER_SIS,
445 AZX_DRIVER_ULI,
446 AZX_DRIVER_NVIDIA,
447 AZX_DRIVER_TERA,
448 AZX_DRIVER_GENERIC,
449 AZX_NUM_DRIVERS,
450};
451
452static char *driver_short_names[] __devinitdata = {
453 [AZX_DRIVER_ICH] = "HDA Intel",
454 [AZX_DRIVER_SCH] = "HDA Intel MID",
455 [AZX_DRIVER_ATI] = "HDA ATI SB",
456 [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI",
457 [AZX_DRIVER_VIA] = "HDA VIA VT82xx",
458 [AZX_DRIVER_SIS] = "HDA SIS966",
459 [AZX_DRIVER_ULI] = "HDA ULI M5461",
460 [AZX_DRIVER_NVIDIA] = "HDA NVidia",
461 [AZX_DRIVER_TERA] = "HDA Teradici",
462 [AZX_DRIVER_GENERIC] = "HD-Audio Generic",
463};
464
465
466
467
468#define azx_writel(chip,reg,value) \
469 writel(value, (chip)->remap_addr + ICH6_REG_##reg)
470#define azx_readl(chip,reg) \
471 readl((chip)->remap_addr + ICH6_REG_##reg)
472#define azx_writew(chip,reg,value) \
473 writew(value, (chip)->remap_addr + ICH6_REG_##reg)
474#define azx_readw(chip,reg) \
475 readw((chip)->remap_addr + ICH6_REG_##reg)
476#define azx_writeb(chip,reg,value) \
477 writeb(value, (chip)->remap_addr + ICH6_REG_##reg)
478#define azx_readb(chip,reg) \
479 readb((chip)->remap_addr + ICH6_REG_##reg)
480
481#define azx_sd_writel(dev,reg,value) \
482 writel(value, (dev)->sd_addr + ICH6_REG_##reg)
483#define azx_sd_readl(dev,reg) \
484 readl((dev)->sd_addr + ICH6_REG_##reg)
485#define azx_sd_writew(dev,reg,value) \
486 writew(value, (dev)->sd_addr + ICH6_REG_##reg)
487#define azx_sd_readw(dev,reg) \
488 readw((dev)->sd_addr + ICH6_REG_##reg)
489#define azx_sd_writeb(dev,reg,value) \
490 writeb(value, (dev)->sd_addr + ICH6_REG_##reg)
491#define azx_sd_readb(dev,reg) \
492 readb((dev)->sd_addr + ICH6_REG_##reg)
493
494
495#define get_azx_dev(substream) (substream->runtime->private_data)
496
497static int azx_acquire_irq(struct azx *chip, int do_disconnect);
498
499
500
501
502
503
504
505
506static int azx_alloc_cmd_io(struct azx *chip)
507{
508 int err;
509
510
511 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
512 snd_dma_pci_data(chip->pci),
513 PAGE_SIZE, &chip->rb);
514 if (err < 0) {
515 snd_printk(KERN_ERR SFX "cannot allocate CORB/RIRB\n");
516 return err;
517 }
518 return 0;
519}
520
521static void azx_init_cmd_io(struct azx *chip)
522{
523 spin_lock_irq(&chip->reg_lock);
524
525 chip->corb.addr = chip->rb.addr;
526 chip->corb.buf = (u32 *)chip->rb.area;
527 azx_writel(chip, CORBLBASE, (u32)chip->corb.addr);
528 azx_writel(chip, CORBUBASE, upper_32_bits(chip->corb.addr));
529
530
531 azx_writeb(chip, CORBSIZE, 0x02);
532
533 azx_writew(chip, CORBWP, 0);
534
535 azx_writew(chip, CORBRP, ICH6_CORBRP_RST);
536
537 azx_writeb(chip, CORBCTL, ICH6_CORBCTL_RUN);
538
539
540 chip->rirb.addr = chip->rb.addr + 2048;
541 chip->rirb.buf = (u32 *)(chip->rb.area + 2048);
542 chip->rirb.wp = chip->rirb.rp = 0;
543 memset(chip->rirb.cmds, 0, sizeof(chip->rirb.cmds));
544 azx_writel(chip, RIRBLBASE, (u32)chip->rirb.addr);
545 azx_writel(chip, RIRBUBASE, upper_32_bits(chip->rirb.addr));
546
547
548 azx_writeb(chip, RIRBSIZE, 0x02);
549
550 azx_writew(chip, RIRBWP, ICH6_RIRBWP_RST);
551
552 azx_writew(chip, RINTCNT, 1);
553
554 azx_writeb(chip, RIRBCTL, ICH6_RBCTL_DMA_EN | ICH6_RBCTL_IRQ_EN);
555 spin_unlock_irq(&chip->reg_lock);
556}
557
558static void azx_free_cmd_io(struct azx *chip)
559{
560 spin_lock_irq(&chip->reg_lock);
561
562 azx_writeb(chip, RIRBCTL, 0);
563 azx_writeb(chip, CORBCTL, 0);
564 spin_unlock_irq(&chip->reg_lock);
565}
566
567static unsigned int azx_command_addr(u32 cmd)
568{
569 unsigned int addr = cmd >> 28;
570
571 if (addr >= AZX_MAX_CODECS) {
572 snd_BUG();
573 addr = 0;
574 }
575
576 return addr;
577}
578
579static unsigned int azx_response_addr(u32 res)
580{
581 unsigned int addr = res & 0xf;
582
583 if (addr >= AZX_MAX_CODECS) {
584 snd_BUG();
585 addr = 0;
586 }
587
588 return addr;
589}
590
591
592static int azx_corb_send_cmd(struct hda_bus *bus, u32 val)
593{
594 struct azx *chip = bus->private_data;
595 unsigned int addr = azx_command_addr(val);
596 unsigned int wp;
597
598 spin_lock_irq(&chip->reg_lock);
599
600
601 wp = azx_readb(chip, CORBWP);
602 wp++;
603 wp %= ICH6_MAX_CORB_ENTRIES;
604
605 chip->rirb.cmds[addr]++;
606 chip->corb.buf[wp] = cpu_to_le32(val);
607 azx_writel(chip, CORBWP, wp);
608
609 spin_unlock_irq(&chip->reg_lock);
610
611 return 0;
612}
613
614#define ICH6_RIRB_EX_UNSOL_EV (1<<4)
615
616
617static void azx_update_rirb(struct azx *chip)
618{
619 unsigned int rp, wp;
620 unsigned int addr;
621 u32 res, res_ex;
622
623 wp = azx_readb(chip, RIRBWP);
624 if (wp == chip->rirb.wp)
625 return;
626 chip->rirb.wp = wp;
627
628 while (chip->rirb.rp != wp) {
629 chip->rirb.rp++;
630 chip->rirb.rp %= ICH6_MAX_RIRB_ENTRIES;
631
632 rp = chip->rirb.rp << 1;
633 res_ex = le32_to_cpu(chip->rirb.buf[rp + 1]);
634 res = le32_to_cpu(chip->rirb.buf[rp]);
635 addr = azx_response_addr(res_ex);
636 if (res_ex & ICH6_RIRB_EX_UNSOL_EV)
637 snd_hda_queue_unsol_event(chip->bus, res, res_ex);
638 else if (chip->rirb.cmds[addr]) {
639 chip->rirb.res[addr] = res;
640 smp_wmb();
641 chip->rirb.cmds[addr]--;
642 } else
643 snd_printk(KERN_ERR SFX "spurious response %#x:%#x, "
644 "last cmd=%#08x\n",
645 res, res_ex,
646 chip->last_cmd[addr]);
647 }
648}
649
650
651static unsigned int azx_rirb_get_response(struct hda_bus *bus,
652 unsigned int addr)
653{
654 struct azx *chip = bus->private_data;
655 unsigned long timeout;
656
657 again:
658 timeout = jiffies + msecs_to_jiffies(1000);
659 for (;;) {
660 if (chip->polling_mode) {
661 spin_lock_irq(&chip->reg_lock);
662 azx_update_rirb(chip);
663 spin_unlock_irq(&chip->reg_lock);
664 }
665 if (!chip->rirb.cmds[addr]) {
666 smp_rmb();
667 bus->rirb_error = 0;
668 return chip->rirb.res[addr];
669 }
670 if (time_after(jiffies, timeout))
671 break;
672 if (bus->needs_damn_long_delay)
673 msleep(2);
674 else {
675 udelay(10);
676 cond_resched();
677 }
678 }
679
680 if (chip->msi) {
681 snd_printk(KERN_WARNING SFX "No response from codec, "
682 "disabling MSI: last cmd=0x%08x\n",
683 chip->last_cmd[addr]);
684 free_irq(chip->irq, chip);
685 chip->irq = -1;
686 pci_disable_msi(chip->pci);
687 chip->msi = 0;
688 if (azx_acquire_irq(chip, 1) < 0) {
689 bus->rirb_error = 1;
690 return -1;
691 }
692 goto again;
693 }
694
695 if (!chip->polling_mode) {
696 snd_printk(KERN_WARNING SFX "azx_get_response timeout, "
697 "switching to polling mode: last cmd=0x%08x\n",
698 chip->last_cmd[addr]);
699 chip->polling_mode = 1;
700 goto again;
701 }
702
703 if (chip->probing) {
704
705
706
707
708 return -1;
709 }
710
711
712
713
714 bus->rirb_error = 1;
715 if (bus->allow_bus_reset && !bus->response_reset && !bus->in_reset) {
716 bus->response_reset = 1;
717 return -1;
718 }
719
720 snd_printk(KERN_ERR "hda_intel: azx_get_response timeout, "
721 "switching to single_cmd mode: last cmd=0x%08x\n",
722 chip->last_cmd[addr]);
723 chip->single_cmd = 1;
724 bus->response_reset = 0;
725
726 azx_free_cmd_io(chip);
727
728 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_UNSOL);
729 return -1;
730}
731
732
733
734
735
736
737
738
739
740
741
742
743static int azx_single_wait_for_response(struct azx *chip, unsigned int addr)
744{
745 int timeout = 50;
746
747 while (timeout--) {
748
749 if (azx_readw(chip, IRS) & ICH6_IRS_VALID) {
750
751 chip->rirb.res[addr] = azx_readl(chip, IR);
752 return 0;
753 }
754 udelay(1);
755 }
756 if (printk_ratelimit())
757 snd_printd(SFX "get_response timeout: IRS=0x%x\n",
758 azx_readw(chip, IRS));
759 chip->rirb.res[addr] = -1;
760 return -EIO;
761}
762
763
764static int azx_single_send_cmd(struct hda_bus *bus, u32 val)
765{
766 struct azx *chip = bus->private_data;
767 unsigned int addr = azx_command_addr(val);
768 int timeout = 50;
769
770 bus->rirb_error = 0;
771 while (timeout--) {
772
773 if (!((azx_readw(chip, IRS) & ICH6_IRS_BUSY))) {
774
775 azx_writew(chip, IRS, azx_readw(chip, IRS) |
776 ICH6_IRS_VALID);
777 azx_writel(chip, IC, val);
778 azx_writew(chip, IRS, azx_readw(chip, IRS) |
779 ICH6_IRS_BUSY);
780 return azx_single_wait_for_response(chip, addr);
781 }
782 udelay(1);
783 }
784 if (printk_ratelimit())
785 snd_printd(SFX "send_cmd timeout: IRS=0x%x, val=0x%x\n",
786 azx_readw(chip, IRS), val);
787 return -EIO;
788}
789
790
791static unsigned int azx_single_get_response(struct hda_bus *bus,
792 unsigned int addr)
793{
794 struct azx *chip = bus->private_data;
795 return chip->rirb.res[addr];
796}
797
798
799
800
801
802
803
804
805
806static int azx_send_cmd(struct hda_bus *bus, unsigned int val)
807{
808 struct azx *chip = bus->private_data;
809
810 chip->last_cmd[azx_command_addr(val)] = val;
811 if (chip->single_cmd)
812 return azx_single_send_cmd(bus, val);
813 else
814 return azx_corb_send_cmd(bus, val);
815}
816
817
818static unsigned int azx_get_response(struct hda_bus *bus,
819 unsigned int addr)
820{
821 struct azx *chip = bus->private_data;
822 if (chip->single_cmd)
823 return azx_single_get_response(bus, addr);
824 else
825 return azx_rirb_get_response(bus, addr);
826}
827
828#ifdef CONFIG_SND_HDA_POWER_SAVE
829static void azx_power_notify(struct hda_bus *bus);
830#endif
831
832
833static int azx_reset(struct azx *chip)
834{
835 int count;
836
837
838 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
839
840
841 azx_writel(chip, GCTL, azx_readl(chip, GCTL) & ~ICH6_GCTL_RESET);
842
843 count = 50;
844 while (azx_readb(chip, GCTL) && --count)
845 msleep(1);
846
847
848
849
850 msleep(1);
851
852
853 azx_writeb(chip, GCTL, azx_readb(chip, GCTL) | ICH6_GCTL_RESET);
854
855 count = 50;
856 while (!azx_readb(chip, GCTL) && --count)
857 msleep(1);
858
859
860 msleep(1);
861
862
863 if (!azx_readb(chip, GCTL)) {
864 snd_printd(SFX "azx_reset: controller not ready!\n");
865 return -EBUSY;
866 }
867
868
869 if (!chip->single_cmd)
870 azx_writel(chip, GCTL, azx_readl(chip, GCTL) |
871 ICH6_GCTL_UNSOL);
872
873
874 if (!chip->codec_mask) {
875 chip->codec_mask = azx_readw(chip, STATESTS);
876 snd_printdd(SFX "codec_mask = 0x%x\n", chip->codec_mask);
877 }
878
879 return 0;
880}
881
882
883
884
885
886
887
888static void azx_int_enable(struct azx *chip)
889{
890
891 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) |
892 ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN);
893}
894
895
896static void azx_int_disable(struct azx *chip)
897{
898 int i;
899
900
901 for (i = 0; i < chip->num_streams; i++) {
902 struct azx_dev *azx_dev = &chip->azx_dev[i];
903 azx_sd_writeb(azx_dev, SD_CTL,
904 azx_sd_readb(azx_dev, SD_CTL) & ~SD_INT_MASK);
905 }
906
907
908 azx_writeb(chip, INTCTL, 0);
909
910
911 azx_writel(chip, INTCTL, azx_readl(chip, INTCTL) &
912 ~(ICH6_INT_CTRL_EN | ICH6_INT_GLOBAL_EN));
913}
914
915
916static void azx_int_clear(struct azx *chip)
917{
918 int i;
919
920
921 for (i = 0; i < chip->num_streams; i++) {
922 struct azx_dev *azx_dev = &chip->azx_dev[i];
923 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
924 }
925
926
927 azx_writeb(chip, STATESTS, STATESTS_INT_MASK);
928
929
930 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
931
932
933 azx_writel(chip, INTSTS, ICH6_INT_CTRL_EN | ICH6_INT_ALL_STREAM);
934}
935
936
937static void azx_stream_start(struct azx *chip, struct azx_dev *azx_dev)
938{
939
940
941
942 azx_dev->insufficient = 1;
943
944
945 azx_writeb(chip, INTCTL,
946 azx_readb(chip, INTCTL) | (1 << azx_dev->index));
947
948 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
949 SD_CTL_DMA_START | SD_INT_MASK);
950}
951
952
953static void azx_stream_clear(struct azx *chip, struct azx_dev *azx_dev)
954{
955 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) &
956 ~(SD_CTL_DMA_START | SD_INT_MASK));
957 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
958}
959
960
961static void azx_stream_stop(struct azx *chip, struct azx_dev *azx_dev)
962{
963 azx_stream_clear(chip, azx_dev);
964
965 azx_writeb(chip, INTCTL,
966 azx_readb(chip, INTCTL) & ~(1 << azx_dev->index));
967}
968
969
970
971
972
973static void azx_init_chip(struct azx *chip)
974{
975 if (chip->initialized)
976 return;
977
978
979 azx_reset(chip);
980
981
982 azx_int_clear(chip);
983 azx_int_enable(chip);
984
985
986 if (!chip->single_cmd)
987 azx_init_cmd_io(chip);
988
989
990 azx_writel(chip, DPLBASE, (u32)chip->posbuf.addr);
991 azx_writel(chip, DPUBASE, upper_32_bits(chip->posbuf.addr));
992
993 chip->initialized = 1;
994}
995
996
997
998
999
1000static void update_pci_byte(struct pci_dev *pci, unsigned int reg,
1001 unsigned char mask, unsigned char val)
1002{
1003 unsigned char data;
1004
1005 pci_read_config_byte(pci, reg, &data);
1006 data &= ~mask;
1007 data |= (val & mask);
1008 pci_write_config_byte(pci, reg, data);
1009}
1010
1011static void azx_init_pci(struct azx *chip)
1012{
1013 unsigned short snoop;
1014
1015
1016
1017
1018
1019
1020 update_pci_byte(chip->pci, ICH6_PCIREG_TCSEL, 0x07, 0);
1021
1022 switch (chip->driver_type) {
1023 case AZX_DRIVER_ATI:
1024
1025 update_pci_byte(chip->pci,
1026 ATI_SB450_HDAUDIO_MISC_CNTR2_ADDR,
1027 0x07, ATI_SB450_HDAUDIO_ENABLE_SNOOP);
1028 break;
1029 case AZX_DRIVER_NVIDIA:
1030
1031 update_pci_byte(chip->pci,
1032 NVIDIA_HDA_TRANSREG_ADDR,
1033 0x0f, NVIDIA_HDA_ENABLE_COHBITS);
1034 update_pci_byte(chip->pci,
1035 NVIDIA_HDA_ISTRM_COH,
1036 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1037 update_pci_byte(chip->pci,
1038 NVIDIA_HDA_OSTRM_COH,
1039 0x01, NVIDIA_HDA_ENABLE_COHBIT);
1040 break;
1041 case AZX_DRIVER_SCH:
1042 pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop);
1043 if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) {
1044 pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC,
1045 snoop & (~INTEL_SCH_HDA_DEVC_NOSNOOP));
1046 pci_read_config_word(chip->pci,
1047 INTEL_SCH_HDA_DEVC, &snoop);
1048 snd_printdd(SFX "HDA snoop disabled, enabling ... %s\n",
1049 (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP)
1050 ? "Failed" : "OK");
1051 }
1052 break;
1053
1054 }
1055}
1056
1057
1058static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev);
1059
1060
1061
1062
1063static irqreturn_t azx_interrupt(int irq, void *dev_id)
1064{
1065 struct azx *chip = dev_id;
1066 struct azx_dev *azx_dev;
1067 u32 status;
1068 int i, ok;
1069
1070 spin_lock(&chip->reg_lock);
1071
1072 status = azx_readl(chip, INTSTS);
1073 if (status == 0) {
1074 spin_unlock(&chip->reg_lock);
1075 return IRQ_NONE;
1076 }
1077
1078 for (i = 0; i < chip->num_streams; i++) {
1079 azx_dev = &chip->azx_dev[i];
1080 if (status & azx_dev->sd_int_sta_mask) {
1081 azx_sd_writeb(azx_dev, SD_STS, SD_INT_MASK);
1082 if (!azx_dev->substream || !azx_dev->running)
1083 continue;
1084
1085 ok = azx_position_ok(chip, azx_dev);
1086 if (ok == 1) {
1087 azx_dev->irq_pending = 0;
1088 spin_unlock(&chip->reg_lock);
1089 snd_pcm_period_elapsed(azx_dev->substream);
1090 spin_lock(&chip->reg_lock);
1091 } else if (ok == 0 && chip->bus && chip->bus->workq) {
1092
1093 azx_dev->irq_pending = 1;
1094 queue_work(chip->bus->workq,
1095 &chip->irq_pending_work);
1096 }
1097 }
1098 }
1099
1100
1101 status = azx_readb(chip, RIRBSTS);
1102 if (status & RIRB_INT_MASK) {
1103 if (status & RIRB_INT_RESPONSE)
1104 azx_update_rirb(chip);
1105 azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
1106 }
1107
1108#if 0
1109
1110 if (azx_readb(chip, STATESTS) & 0x04)
1111 azx_writeb(chip, STATESTS, 0x04);
1112#endif
1113 spin_unlock(&chip->reg_lock);
1114
1115 return IRQ_HANDLED;
1116}
1117
1118
1119
1120
1121
1122static int setup_bdle(struct snd_pcm_substream *substream,
1123 struct azx_dev *azx_dev, u32 **bdlp,
1124 int ofs, int size, int with_ioc)
1125{
1126 u32 *bdl = *bdlp;
1127
1128 while (size > 0) {
1129 dma_addr_t addr;
1130 int chunk;
1131
1132 if (azx_dev->frags >= AZX_MAX_BDL_ENTRIES)
1133 return -EINVAL;
1134
1135 addr = snd_pcm_sgbuf_get_addr(substream, ofs);
1136
1137 bdl[0] = cpu_to_le32((u32)addr);
1138 bdl[1] = cpu_to_le32(upper_32_bits(addr));
1139
1140 chunk = snd_pcm_sgbuf_get_chunk_size(substream, ofs, size);
1141 bdl[2] = cpu_to_le32(chunk);
1142
1143
1144
1145 size -= chunk;
1146 bdl[3] = (size || !with_ioc) ? 0 : cpu_to_le32(0x01);
1147 bdl += 4;
1148 azx_dev->frags++;
1149 ofs += chunk;
1150 }
1151 *bdlp = bdl;
1152 return ofs;
1153}
1154
1155
1156
1157
1158static int azx_setup_periods(struct azx *chip,
1159 struct snd_pcm_substream *substream,
1160 struct azx_dev *azx_dev)
1161{
1162 u32 *bdl;
1163 int i, ofs, periods, period_bytes;
1164 int pos_adj;
1165
1166
1167 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1168 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1169
1170 period_bytes = azx_dev->period_bytes;
1171 periods = azx_dev->bufsize / period_bytes;
1172
1173
1174 bdl = (u32 *)azx_dev->bdl.area;
1175 ofs = 0;
1176 azx_dev->frags = 0;
1177 pos_adj = bdl_pos_adj[chip->dev_index];
1178 if (pos_adj > 0) {
1179 struct snd_pcm_runtime *runtime = substream->runtime;
1180 int pos_align = pos_adj;
1181 pos_adj = (pos_adj * runtime->rate + 47999) / 48000;
1182 if (!pos_adj)
1183 pos_adj = pos_align;
1184 else
1185 pos_adj = ((pos_adj + pos_align - 1) / pos_align) *
1186 pos_align;
1187 pos_adj = frames_to_bytes(runtime, pos_adj);
1188 if (pos_adj >= period_bytes) {
1189 snd_printk(KERN_WARNING SFX "Too big adjustment %d\n",
1190 bdl_pos_adj[chip->dev_index]);
1191 pos_adj = 0;
1192 } else {
1193 ofs = setup_bdle(substream, azx_dev,
1194 &bdl, ofs, pos_adj, 1);
1195 if (ofs < 0)
1196 goto error;
1197 }
1198 } else
1199 pos_adj = 0;
1200 for (i = 0; i < periods; i++) {
1201 if (i == periods - 1 && pos_adj)
1202 ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
1203 period_bytes - pos_adj, 0);
1204 else
1205 ofs = setup_bdle(substream, azx_dev, &bdl, ofs,
1206 period_bytes, 1);
1207 if (ofs < 0)
1208 goto error;
1209 }
1210 return 0;
1211
1212 error:
1213 snd_printk(KERN_ERR SFX "Too many BDL entries: buffer=%d, period=%d\n",
1214 azx_dev->bufsize, period_bytes);
1215 return -EINVAL;
1216}
1217
1218
1219static void azx_stream_reset(struct azx *chip, struct azx_dev *azx_dev)
1220{
1221 unsigned char val;
1222 int timeout;
1223
1224 azx_stream_clear(chip, azx_dev);
1225
1226 azx_sd_writeb(azx_dev, SD_CTL, azx_sd_readb(azx_dev, SD_CTL) |
1227 SD_CTL_STREAM_RESET);
1228 udelay(3);
1229 timeout = 300;
1230 while (!((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1231 --timeout)
1232 ;
1233 val &= ~SD_CTL_STREAM_RESET;
1234 azx_sd_writeb(azx_dev, SD_CTL, val);
1235 udelay(3);
1236
1237 timeout = 300;
1238
1239 while (((val = azx_sd_readb(azx_dev, SD_CTL)) & SD_CTL_STREAM_RESET) &&
1240 --timeout)
1241 ;
1242
1243
1244 *azx_dev->posbuf = 0;
1245}
1246
1247
1248
1249
1250static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev)
1251{
1252
1253 azx_stream_clear(chip, azx_dev);
1254
1255 azx_sd_writel(azx_dev, SD_CTL,
1256 (azx_sd_readl(azx_dev, SD_CTL) & ~SD_CTL_STREAM_TAG_MASK)|
1257 (azx_dev->stream_tag << SD_CTL_STREAM_TAG_SHIFT));
1258
1259
1260 azx_sd_writel(azx_dev, SD_CBL, azx_dev->bufsize);
1261
1262
1263
1264 azx_sd_writew(azx_dev, SD_FORMAT, azx_dev->format_val);
1265
1266
1267 azx_sd_writew(azx_dev, SD_LVI, azx_dev->frags - 1);
1268
1269
1270
1271 azx_sd_writel(azx_dev, SD_BDLPL, (u32)azx_dev->bdl.addr);
1272
1273 azx_sd_writel(azx_dev, SD_BDLPU, upper_32_bits(azx_dev->bdl.addr));
1274
1275
1276 if (chip->position_fix == POS_FIX_POSBUF ||
1277 chip->position_fix == POS_FIX_AUTO ||
1278 chip->via_dmapos_patch) {
1279 if (!(azx_readl(chip, DPLBASE) & ICH6_DPLBASE_ENABLE))
1280 azx_writel(chip, DPLBASE,
1281 (u32)chip->posbuf.addr | ICH6_DPLBASE_ENABLE);
1282 }
1283
1284
1285 azx_sd_writel(azx_dev, SD_CTL,
1286 azx_sd_readl(azx_dev, SD_CTL) | SD_INT_MASK);
1287
1288 return 0;
1289}
1290
1291
1292
1293
1294static int probe_codec(struct azx *chip, int addr)
1295{
1296 unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) |
1297 (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID;
1298 unsigned int res;
1299
1300 mutex_lock(&chip->bus->cmd_mutex);
1301 chip->probing = 1;
1302 azx_send_cmd(chip->bus, cmd);
1303 res = azx_get_response(chip->bus, addr);
1304 chip->probing = 0;
1305 mutex_unlock(&chip->bus->cmd_mutex);
1306 if (res == -1)
1307 return -EIO;
1308 snd_printdd(SFX "codec #%d probed OK\n", addr);
1309 return 0;
1310}
1311
1312static int azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
1313 struct hda_pcm *cpcm);
1314static void azx_stop_chip(struct azx *chip);
1315
1316static void azx_bus_reset(struct hda_bus *bus)
1317{
1318 struct azx *chip = bus->private_data;
1319
1320 bus->in_reset = 1;
1321 azx_stop_chip(chip);
1322 azx_init_chip(chip);
1323#ifdef CONFIG_PM
1324 if (chip->initialized) {
1325 int i;
1326
1327 for (i = 0; i < AZX_MAX_PCMS; i++)
1328 snd_pcm_suspend_all(chip->pcm[i]);
1329 snd_hda_suspend(chip->bus);
1330 snd_hda_resume(chip->bus);
1331 }
1332#endif
1333 bus->in_reset = 0;
1334}
1335
1336
1337
1338
1339
1340
1341static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
1342 [AZX_DRIVER_TERA] = 1,
1343};
1344
1345static int __devinit azx_codec_create(struct azx *chip, const char *model)
1346{
1347 struct hda_bus_template bus_temp;
1348 int c, codecs, err;
1349 int max_slots;
1350
1351 memset(&bus_temp, 0, sizeof(bus_temp));
1352 bus_temp.private_data = chip;
1353 bus_temp.modelname = model;
1354 bus_temp.pci = chip->pci;
1355 bus_temp.ops.command = azx_send_cmd;
1356 bus_temp.ops.get_response = azx_get_response;
1357 bus_temp.ops.attach_pcm = azx_attach_pcm_stream;
1358 bus_temp.ops.bus_reset = azx_bus_reset;
1359#ifdef CONFIG_SND_HDA_POWER_SAVE
1360 bus_temp.power_save = &power_save;
1361 bus_temp.ops.pm_notify = azx_power_notify;
1362#endif
1363
1364 err = snd_hda_bus_new(chip->card, &bus_temp, &chip->bus);
1365 if (err < 0)
1366 return err;
1367
1368 if (chip->driver_type == AZX_DRIVER_NVIDIA)
1369 chip->bus->needs_damn_long_delay = 1;
1370
1371 codecs = 0;
1372 max_slots = azx_max_codecs[chip->driver_type];
1373 if (!max_slots)
1374 max_slots = AZX_MAX_CODECS;
1375
1376
1377 for (c = 0; c < max_slots; c++) {
1378 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
1379 if (probe_codec(chip, c) < 0) {
1380
1381
1382
1383 snd_printk(KERN_WARNING SFX
1384 "Codec #%d probe error; "
1385 "disabling it...\n", c);
1386 chip->codec_mask &= ~(1 << c);
1387
1388
1389
1390
1391
1392
1393
1394 azx_stop_chip(chip);
1395 azx_init_chip(chip);
1396 }
1397 }
1398 }
1399
1400
1401 for (c = 0; c < max_slots; c++) {
1402 if ((chip->codec_mask & (1 << c)) & chip->codec_probe_mask) {
1403 struct hda_codec *codec;
1404 err = snd_hda_codec_new(chip->bus, c, &codec);
1405 if (err < 0)
1406 continue;
1407 codecs++;
1408 }
1409 }
1410 if (!codecs) {
1411 snd_printk(KERN_ERR SFX "no codecs initialized\n");
1412 return -ENXIO;
1413 }
1414 return 0;
1415}
1416
1417
1418static int __devinit azx_codec_configure(struct azx *chip)
1419{
1420 struct hda_codec *codec;
1421 list_for_each_entry(codec, &chip->bus->codec_list, list) {
1422 snd_hda_codec_configure(codec);
1423 }
1424 return 0;
1425}
1426
1427
1428
1429
1430
1431
1432
1433static inline struct azx_dev *azx_assign_device(struct azx *chip, int stream)
1434{
1435 int dev, i, nums;
1436 if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1437 dev = chip->playback_index_offset;
1438 nums = chip->playback_streams;
1439 } else {
1440 dev = chip->capture_index_offset;
1441 nums = chip->capture_streams;
1442 }
1443 for (i = 0; i < nums; i++, dev++)
1444 if (!chip->azx_dev[dev].opened) {
1445 chip->azx_dev[dev].opened = 1;
1446 return &chip->azx_dev[dev];
1447 }
1448 return NULL;
1449}
1450
1451
1452static inline void azx_release_device(struct azx_dev *azx_dev)
1453{
1454 azx_dev->opened = 0;
1455}
1456
1457static struct snd_pcm_hardware azx_pcm_hw = {
1458 .info = (SNDRV_PCM_INFO_MMAP |
1459 SNDRV_PCM_INFO_INTERLEAVED |
1460 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1461 SNDRV_PCM_INFO_MMAP_VALID |
1462
1463
1464 SNDRV_PCM_INFO_PAUSE |
1465 SNDRV_PCM_INFO_SYNC_START),
1466 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1467 .rates = SNDRV_PCM_RATE_48000,
1468 .rate_min = 48000,
1469 .rate_max = 48000,
1470 .channels_min = 2,
1471 .channels_max = 2,
1472 .buffer_bytes_max = AZX_MAX_BUF_SIZE,
1473 .period_bytes_min = 128,
1474 .period_bytes_max = AZX_MAX_BUF_SIZE / 2,
1475 .periods_min = 2,
1476 .periods_max = AZX_MAX_FRAG,
1477 .fifo_size = 0,
1478};
1479
1480struct azx_pcm {
1481 struct azx *chip;
1482 struct hda_codec *codec;
1483 struct hda_pcm_stream *hinfo[2];
1484};
1485
1486static int azx_pcm_open(struct snd_pcm_substream *substream)
1487{
1488 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1489 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1490 struct azx *chip = apcm->chip;
1491 struct azx_dev *azx_dev;
1492 struct snd_pcm_runtime *runtime = substream->runtime;
1493 unsigned long flags;
1494 int err;
1495
1496 mutex_lock(&chip->open_mutex);
1497 azx_dev = azx_assign_device(chip, substream->stream);
1498 if (azx_dev == NULL) {
1499 mutex_unlock(&chip->open_mutex);
1500 return -EBUSY;
1501 }
1502 runtime->hw = azx_pcm_hw;
1503 runtime->hw.channels_min = hinfo->channels_min;
1504 runtime->hw.channels_max = hinfo->channels_max;
1505 runtime->hw.formats = hinfo->formats;
1506 runtime->hw.rates = hinfo->rates;
1507 snd_pcm_limit_hw_rates(runtime);
1508 snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
1509 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
1510 128);
1511 snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES,
1512 128);
1513 snd_hda_power_up(apcm->codec);
1514 err = hinfo->ops.open(hinfo, apcm->codec, substream);
1515 if (err < 0) {
1516 azx_release_device(azx_dev);
1517 snd_hda_power_down(apcm->codec);
1518 mutex_unlock(&chip->open_mutex);
1519 return err;
1520 }
1521 snd_pcm_limit_hw_rates(runtime);
1522
1523 if (snd_BUG_ON(!runtime->hw.channels_min) ||
1524 snd_BUG_ON(!runtime->hw.channels_max) ||
1525 snd_BUG_ON(!runtime->hw.formats) ||
1526 snd_BUG_ON(!runtime->hw.rates)) {
1527 azx_release_device(azx_dev);
1528 hinfo->ops.close(hinfo, apcm->codec, substream);
1529 snd_hda_power_down(apcm->codec);
1530 mutex_unlock(&chip->open_mutex);
1531 return -EINVAL;
1532 }
1533 spin_lock_irqsave(&chip->reg_lock, flags);
1534 azx_dev->substream = substream;
1535 azx_dev->running = 0;
1536 spin_unlock_irqrestore(&chip->reg_lock, flags);
1537
1538 runtime->private_data = azx_dev;
1539 snd_pcm_set_sync(substream);
1540 mutex_unlock(&chip->open_mutex);
1541 return 0;
1542}
1543
1544static int azx_pcm_close(struct snd_pcm_substream *substream)
1545{
1546 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1547 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1548 struct azx *chip = apcm->chip;
1549 struct azx_dev *azx_dev = get_azx_dev(substream);
1550 unsigned long flags;
1551
1552 mutex_lock(&chip->open_mutex);
1553 spin_lock_irqsave(&chip->reg_lock, flags);
1554 azx_dev->substream = NULL;
1555 azx_dev->running = 0;
1556 spin_unlock_irqrestore(&chip->reg_lock, flags);
1557 azx_release_device(azx_dev);
1558 hinfo->ops.close(hinfo, apcm->codec, substream);
1559 snd_hda_power_down(apcm->codec);
1560 mutex_unlock(&chip->open_mutex);
1561 return 0;
1562}
1563
1564static int azx_pcm_hw_params(struct snd_pcm_substream *substream,
1565 struct snd_pcm_hw_params *hw_params)
1566{
1567 struct azx_dev *azx_dev = get_azx_dev(substream);
1568
1569 azx_dev->bufsize = 0;
1570 azx_dev->period_bytes = 0;
1571 azx_dev->format_val = 0;
1572 return snd_pcm_lib_malloc_pages(substream,
1573 params_buffer_bytes(hw_params));
1574}
1575
1576static int azx_pcm_hw_free(struct snd_pcm_substream *substream)
1577{
1578 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1579 struct azx_dev *azx_dev = get_azx_dev(substream);
1580 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1581
1582
1583 azx_sd_writel(azx_dev, SD_BDLPL, 0);
1584 azx_sd_writel(azx_dev, SD_BDLPU, 0);
1585 azx_sd_writel(azx_dev, SD_CTL, 0);
1586 azx_dev->bufsize = 0;
1587 azx_dev->period_bytes = 0;
1588 azx_dev->format_val = 0;
1589
1590 hinfo->ops.cleanup(hinfo, apcm->codec, substream);
1591
1592 return snd_pcm_lib_free_pages(substream);
1593}
1594
1595static int azx_pcm_prepare(struct snd_pcm_substream *substream)
1596{
1597 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1598 struct azx *chip = apcm->chip;
1599 struct azx_dev *azx_dev = get_azx_dev(substream);
1600 struct hda_pcm_stream *hinfo = apcm->hinfo[substream->stream];
1601 struct snd_pcm_runtime *runtime = substream->runtime;
1602 unsigned int bufsize, period_bytes, format_val;
1603 int err;
1604
1605 azx_stream_reset(chip, azx_dev);
1606 format_val = snd_hda_calc_stream_format(runtime->rate,
1607 runtime->channels,
1608 runtime->format,
1609 hinfo->maxbps);
1610 if (!format_val) {
1611 snd_printk(KERN_ERR SFX
1612 "invalid format_val, rate=%d, ch=%d, format=%d\n",
1613 runtime->rate, runtime->channels, runtime->format);
1614 return -EINVAL;
1615 }
1616
1617 bufsize = snd_pcm_lib_buffer_bytes(substream);
1618 period_bytes = snd_pcm_lib_period_bytes(substream);
1619
1620 snd_printdd(SFX "azx_pcm_prepare: bufsize=0x%x, format=0x%x\n",
1621 bufsize, format_val);
1622
1623 if (bufsize != azx_dev->bufsize ||
1624 period_bytes != azx_dev->period_bytes ||
1625 format_val != azx_dev->format_val) {
1626 azx_dev->bufsize = bufsize;
1627 azx_dev->period_bytes = period_bytes;
1628 azx_dev->format_val = format_val;
1629 err = azx_setup_periods(chip, substream, azx_dev);
1630 if (err < 0)
1631 return err;
1632 }
1633
1634 azx_dev->min_jiffies = (runtime->period_size * HZ) /
1635 (runtime->rate * 2);
1636 azx_setup_controller(chip, azx_dev);
1637 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
1638 azx_dev->fifo_size = azx_sd_readw(azx_dev, SD_FIFOSIZE) + 1;
1639 else
1640 azx_dev->fifo_size = 0;
1641
1642 return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag,
1643 azx_dev->format_val, substream);
1644}
1645
1646static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1647{
1648 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1649 struct azx *chip = apcm->chip;
1650 struct azx_dev *azx_dev;
1651 struct snd_pcm_substream *s;
1652 int rstart = 0, start, nsync = 0, sbits = 0;
1653 int nwait, timeout;
1654
1655 switch (cmd) {
1656 case SNDRV_PCM_TRIGGER_START:
1657 rstart = 1;
1658 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
1659 case SNDRV_PCM_TRIGGER_RESUME:
1660 start = 1;
1661 break;
1662 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
1663 case SNDRV_PCM_TRIGGER_SUSPEND:
1664 case SNDRV_PCM_TRIGGER_STOP:
1665 start = 0;
1666 break;
1667 default:
1668 return -EINVAL;
1669 }
1670
1671 snd_pcm_group_for_each_entry(s, substream) {
1672 if (s->pcm->card != substream->pcm->card)
1673 continue;
1674 azx_dev = get_azx_dev(s);
1675 sbits |= 1 << azx_dev->index;
1676 nsync++;
1677 snd_pcm_trigger_done(s, substream);
1678 }
1679
1680 spin_lock(&chip->reg_lock);
1681 if (nsync > 1) {
1682
1683 azx_writel(chip, SYNC, azx_readl(chip, SYNC) | sbits);
1684 }
1685 snd_pcm_group_for_each_entry(s, substream) {
1686 if (s->pcm->card != substream->pcm->card)
1687 continue;
1688 azx_dev = get_azx_dev(s);
1689 if (rstart) {
1690 azx_dev->start_flag = 1;
1691 azx_dev->start_jiffies = jiffies + azx_dev->min_jiffies;
1692 }
1693 if (start)
1694 azx_stream_start(chip, azx_dev);
1695 else
1696 azx_stream_stop(chip, azx_dev);
1697 azx_dev->running = start;
1698 }
1699 spin_unlock(&chip->reg_lock);
1700 if (start) {
1701 if (nsync == 1)
1702 return 0;
1703
1704 for (timeout = 5000; timeout; timeout--) {
1705 nwait = 0;
1706 snd_pcm_group_for_each_entry(s, substream) {
1707 if (s->pcm->card != substream->pcm->card)
1708 continue;
1709 azx_dev = get_azx_dev(s);
1710 if (!(azx_sd_readb(azx_dev, SD_STS) &
1711 SD_STS_FIFO_READY))
1712 nwait++;
1713 }
1714 if (!nwait)
1715 break;
1716 cpu_relax();
1717 }
1718 } else {
1719
1720 for (timeout = 5000; timeout; timeout--) {
1721 nwait = 0;
1722 snd_pcm_group_for_each_entry(s, substream) {
1723 if (s->pcm->card != substream->pcm->card)
1724 continue;
1725 azx_dev = get_azx_dev(s);
1726 if (azx_sd_readb(azx_dev, SD_CTL) &
1727 SD_CTL_DMA_START)
1728 nwait++;
1729 }
1730 if (!nwait)
1731 break;
1732 cpu_relax();
1733 }
1734 }
1735 if (nsync > 1) {
1736 spin_lock(&chip->reg_lock);
1737
1738 azx_writel(chip, SYNC, azx_readl(chip, SYNC) & ~sbits);
1739 spin_unlock(&chip->reg_lock);
1740 }
1741 return 0;
1742}
1743
1744
1745static unsigned int azx_via_get_position(struct azx *chip,
1746 struct azx_dev *azx_dev)
1747{
1748 unsigned int link_pos, mini_pos, bound_pos;
1749 unsigned int mod_link_pos, mod_dma_pos, mod_mini_pos;
1750 unsigned int fifo_size;
1751
1752 link_pos = azx_sd_readl(azx_dev, SD_LPIB);
1753 if (azx_dev->index >= 4) {
1754
1755 return link_pos;
1756 }
1757
1758
1759
1760
1761
1762 mod_dma_pos = le32_to_cpu(*azx_dev->posbuf);
1763 mod_dma_pos %= azx_dev->period_bytes;
1764
1765
1766
1767
1768 fifo_size = readw(chip->remap_addr + VIA_IN_STREAM0_FIFO_SIZE_OFFSET);
1769
1770 if (azx_dev->insufficient) {
1771
1772 if (link_pos <= fifo_size)
1773 return 0;
1774
1775 azx_dev->insufficient = 0;
1776 }
1777
1778 if (link_pos <= fifo_size)
1779 mini_pos = azx_dev->bufsize + link_pos - fifo_size;
1780 else
1781 mini_pos = link_pos - fifo_size;
1782
1783
1784 mod_mini_pos = mini_pos % azx_dev->period_bytes;
1785 mod_link_pos = link_pos % azx_dev->period_bytes;
1786 if (mod_link_pos >= fifo_size)
1787 bound_pos = link_pos - mod_link_pos;
1788 else if (mod_dma_pos >= mod_mini_pos)
1789 bound_pos = mini_pos - mod_mini_pos;
1790 else {
1791 bound_pos = mini_pos - mod_mini_pos + azx_dev->period_bytes;
1792 if (bound_pos >= azx_dev->bufsize)
1793 bound_pos = 0;
1794 }
1795
1796
1797 return bound_pos + mod_dma_pos;
1798}
1799
1800static unsigned int azx_get_position(struct azx *chip,
1801 struct azx_dev *azx_dev)
1802{
1803 unsigned int pos;
1804
1805 if (chip->via_dmapos_patch)
1806 pos = azx_via_get_position(chip, azx_dev);
1807 else if (chip->position_fix == POS_FIX_POSBUF ||
1808 chip->position_fix == POS_FIX_AUTO) {
1809
1810 pos = le32_to_cpu(*azx_dev->posbuf);
1811 } else {
1812
1813 pos = azx_sd_readl(azx_dev, SD_LPIB);
1814 }
1815 if (pos >= azx_dev->bufsize)
1816 pos = 0;
1817 return pos;
1818}
1819
1820static snd_pcm_uframes_t azx_pcm_pointer(struct snd_pcm_substream *substream)
1821{
1822 struct azx_pcm *apcm = snd_pcm_substream_chip(substream);
1823 struct azx *chip = apcm->chip;
1824 struct azx_dev *azx_dev = get_azx_dev(substream);
1825 return bytes_to_frames(substream->runtime,
1826 azx_get_position(chip, azx_dev));
1827}
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
1839{
1840 unsigned int pos;
1841
1842 if (azx_dev->start_flag &&
1843 time_before_eq(jiffies, azx_dev->start_jiffies))
1844 return -1;
1845 azx_dev->start_flag = 0;
1846
1847 pos = azx_get_position(chip, azx_dev);
1848 if (chip->position_fix == POS_FIX_AUTO) {
1849 if (!pos) {
1850 printk(KERN_WARNING
1851 "hda-intel: Invalid position buffer, "
1852 "using LPIB read method instead.\n");
1853 chip->position_fix = POS_FIX_LPIB;
1854 pos = azx_get_position(chip, azx_dev);
1855 } else
1856 chip->position_fix = POS_FIX_POSBUF;
1857 }
1858
1859 if (!bdl_pos_adj[chip->dev_index])
1860 return 1;
1861 if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
1862 return 0;
1863 return 1;
1864}
1865
1866
1867
1868
1869static void azx_irq_pending_work(struct work_struct *work)
1870{
1871 struct azx *chip = container_of(work, struct azx, irq_pending_work);
1872 int i, pending;
1873
1874 if (!chip->irq_pending_warned) {
1875 printk(KERN_WARNING
1876 "hda-intel: IRQ timing workaround is activated "
1877 "for card #%d. Suggest a bigger bdl_pos_adj.\n",
1878 chip->card->number);
1879 chip->irq_pending_warned = 1;
1880 }
1881
1882 for (;;) {
1883 pending = 0;
1884 spin_lock_irq(&chip->reg_lock);
1885 for (i = 0; i < chip->num_streams; i++) {
1886 struct azx_dev *azx_dev = &chip->azx_dev[i];
1887 if (!azx_dev->irq_pending ||
1888 !azx_dev->substream ||
1889 !azx_dev->running)
1890 continue;
1891 if (azx_position_ok(chip, azx_dev)) {
1892 azx_dev->irq_pending = 0;
1893 spin_unlock(&chip->reg_lock);
1894 snd_pcm_period_elapsed(azx_dev->substream);
1895 spin_lock(&chip->reg_lock);
1896 } else
1897 pending++;
1898 }
1899 spin_unlock_irq(&chip->reg_lock);
1900 if (!pending)
1901 return;
1902 cond_resched();
1903 }
1904}
1905
1906
1907static void azx_clear_irq_pending(struct azx *chip)
1908{
1909 int i;
1910
1911 spin_lock_irq(&chip->reg_lock);
1912 for (i = 0; i < chip->num_streams; i++)
1913 chip->azx_dev[i].irq_pending = 0;
1914 spin_unlock_irq(&chip->reg_lock);
1915}
1916
1917static struct snd_pcm_ops azx_pcm_ops = {
1918 .open = azx_pcm_open,
1919 .close = azx_pcm_close,
1920 .ioctl = snd_pcm_lib_ioctl,
1921 .hw_params = azx_pcm_hw_params,
1922 .hw_free = azx_pcm_hw_free,
1923 .prepare = azx_pcm_prepare,
1924 .trigger = azx_pcm_trigger,
1925 .pointer = azx_pcm_pointer,
1926 .page = snd_pcm_sgbuf_ops_page,
1927};
1928
1929static void azx_pcm_free(struct snd_pcm *pcm)
1930{
1931 struct azx_pcm *apcm = pcm->private_data;
1932 if (apcm) {
1933 apcm->chip->pcm[pcm->device] = NULL;
1934 kfree(apcm);
1935 }
1936}
1937
1938static int
1939azx_attach_pcm_stream(struct hda_bus *bus, struct hda_codec *codec,
1940 struct hda_pcm *cpcm)
1941{
1942 struct azx *chip = bus->private_data;
1943 struct snd_pcm *pcm;
1944 struct azx_pcm *apcm;
1945 int pcm_dev = cpcm->device;
1946 int s, err;
1947
1948 if (pcm_dev >= AZX_MAX_PCMS) {
1949 snd_printk(KERN_ERR SFX "Invalid PCM device number %d\n",
1950 pcm_dev);
1951 return -EINVAL;
1952 }
1953 if (chip->pcm[pcm_dev]) {
1954 snd_printk(KERN_ERR SFX "PCM %d already exists\n", pcm_dev);
1955 return -EBUSY;
1956 }
1957 err = snd_pcm_new(chip->card, cpcm->name, pcm_dev,
1958 cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams,
1959 cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams,
1960 &pcm);
1961 if (err < 0)
1962 return err;
1963 strlcpy(pcm->name, cpcm->name, sizeof(pcm->name));
1964 apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
1965 if (apcm == NULL)
1966 return -ENOMEM;
1967 apcm->chip = chip;
1968 apcm->codec = codec;
1969 pcm->private_data = apcm;
1970 pcm->private_free = azx_pcm_free;
1971 if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM)
1972 pcm->dev_class = SNDRV_PCM_CLASS_MODEM;
1973 chip->pcm[pcm_dev] = pcm;
1974 cpcm->pcm = pcm;
1975 for (s = 0; s < 2; s++) {
1976 apcm->hinfo[s] = &cpcm->stream[s];
1977 if (cpcm->stream[s].substreams)
1978 snd_pcm_set_ops(pcm, s, &azx_pcm_ops);
1979 }
1980
1981 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG,
1982 snd_dma_pci_data(chip->pci),
1983 1024 * 64, 32 * 1024 * 1024);
1984 return 0;
1985}
1986
1987
1988
1989
1990static int __devinit azx_mixer_create(struct azx *chip)
1991{
1992 return snd_hda_build_controls(chip->bus);
1993}
1994
1995
1996
1997
1998
1999static int __devinit azx_init_stream(struct azx *chip)
2000{
2001 int i;
2002
2003
2004
2005
2006
2007 for (i = 0; i < chip->num_streams; i++) {
2008 struct azx_dev *azx_dev = &chip->azx_dev[i];
2009 azx_dev->posbuf = (u32 __iomem *)(chip->posbuf.area + i * 8);
2010
2011 azx_dev->sd_addr = chip->remap_addr + (0x20 * i + 0x80);
2012
2013 azx_dev->sd_int_sta_mask = 1 << i;
2014
2015 azx_dev->index = i;
2016 azx_dev->stream_tag = i + 1;
2017 }
2018
2019 return 0;
2020}
2021
2022static int azx_acquire_irq(struct azx *chip, int do_disconnect)
2023{
2024 if (request_irq(chip->pci->irq, azx_interrupt,
2025 chip->msi ? 0 : IRQF_SHARED,
2026 "HDA Intel", chip)) {
2027 printk(KERN_ERR "hda-intel: unable to grab IRQ %d, "
2028 "disabling device\n", chip->pci->irq);
2029 if (do_disconnect)
2030 snd_card_disconnect(chip->card);
2031 return -1;
2032 }
2033 chip->irq = chip->pci->irq;
2034 pci_intx(chip->pci, !chip->msi);
2035 return 0;
2036}
2037
2038
2039static void azx_stop_chip(struct azx *chip)
2040{
2041 if (!chip->initialized)
2042 return;
2043
2044
2045 azx_int_disable(chip);
2046 azx_int_clear(chip);
2047
2048
2049 azx_free_cmd_io(chip);
2050
2051
2052 azx_writel(chip, DPLBASE, 0);
2053 azx_writel(chip, DPUBASE, 0);
2054
2055 chip->initialized = 0;
2056}
2057
2058#ifdef CONFIG_SND_HDA_POWER_SAVE
2059
2060static void azx_power_notify(struct hda_bus *bus)
2061{
2062 struct azx *chip = bus->private_data;
2063 struct hda_codec *c;
2064 int power_on = 0;
2065
2066 list_for_each_entry(c, &bus->codec_list, list) {
2067 if (c->power_on) {
2068 power_on = 1;
2069 break;
2070 }
2071 }
2072 if (power_on)
2073 azx_init_chip(chip);
2074 else if (chip->running && power_save_controller)
2075 azx_stop_chip(chip);
2076}
2077#endif
2078
2079#ifdef CONFIG_PM
2080
2081
2082
2083
2084static int snd_hda_codecs_inuse(struct hda_bus *bus)
2085{
2086 struct hda_codec *codec;
2087
2088 list_for_each_entry(codec, &bus->codec_list, list) {
2089 if (snd_hda_codec_needs_resume(codec))
2090 return 1;
2091 }
2092 return 0;
2093}
2094
2095static int azx_suspend(struct pci_dev *pci, pm_message_t state)
2096{
2097 struct snd_card *card = pci_get_drvdata(pci);
2098 struct azx *chip = card->private_data;
2099 int i;
2100
2101 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
2102 azx_clear_irq_pending(chip);
2103 for (i = 0; i < AZX_MAX_PCMS; i++)
2104 snd_pcm_suspend_all(chip->pcm[i]);
2105 if (chip->initialized)
2106 snd_hda_suspend(chip->bus);
2107 azx_stop_chip(chip);
2108 if (chip->irq >= 0) {
2109 free_irq(chip->irq, chip);
2110 chip->irq = -1;
2111 }
2112 if (chip->msi)
2113 pci_disable_msi(chip->pci);
2114 pci_disable_device(pci);
2115 pci_save_state(pci);
2116 pci_set_power_state(pci, pci_choose_state(pci, state));
2117 return 0;
2118}
2119
2120static int azx_resume(struct pci_dev *pci)
2121{
2122 struct snd_card *card = pci_get_drvdata(pci);
2123 struct azx *chip = card->private_data;
2124
2125 pci_set_power_state(pci, PCI_D0);
2126 pci_restore_state(pci);
2127 if (pci_enable_device(pci) < 0) {
2128 printk(KERN_ERR "hda-intel: pci_enable_device failed, "
2129 "disabling device\n");
2130 snd_card_disconnect(card);
2131 return -EIO;
2132 }
2133 pci_set_master(pci);
2134 if (chip->msi)
2135 if (pci_enable_msi(pci) < 0)
2136 chip->msi = 0;
2137 if (azx_acquire_irq(chip, 1) < 0)
2138 return -EIO;
2139 azx_init_pci(chip);
2140
2141 if (snd_hda_codecs_inuse(chip->bus))
2142 azx_init_chip(chip);
2143
2144 snd_hda_resume(chip->bus);
2145 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
2146 return 0;
2147}
2148#endif
2149
2150
2151
2152
2153
2154static int azx_halt(struct notifier_block *nb, unsigned long event, void *buf)
2155{
2156 struct azx *chip = container_of(nb, struct azx, reboot_notifier);
2157 azx_stop_chip(chip);
2158 return NOTIFY_OK;
2159}
2160
2161static void azx_notifier_register(struct azx *chip)
2162{
2163 chip->reboot_notifier.notifier_call = azx_halt;
2164 register_reboot_notifier(&chip->reboot_notifier);
2165}
2166
2167static void azx_notifier_unregister(struct azx *chip)
2168{
2169 if (chip->reboot_notifier.notifier_call)
2170 unregister_reboot_notifier(&chip->reboot_notifier);
2171}
2172
2173
2174
2175
2176static int azx_free(struct azx *chip)
2177{
2178 int i;
2179
2180 azx_notifier_unregister(chip);
2181
2182 if (chip->initialized) {
2183 azx_clear_irq_pending(chip);
2184 for (i = 0; i < chip->num_streams; i++)
2185 azx_stream_stop(chip, &chip->azx_dev[i]);
2186 azx_stop_chip(chip);
2187 }
2188
2189 if (chip->irq >= 0)
2190 free_irq(chip->irq, (void*)chip);
2191 if (chip->msi)
2192 pci_disable_msi(chip->pci);
2193 if (chip->remap_addr)
2194 iounmap(chip->remap_addr);
2195
2196 if (chip->azx_dev) {
2197 for (i = 0; i < chip->num_streams; i++)
2198 if (chip->azx_dev[i].bdl.area)
2199 snd_dma_free_pages(&chip->azx_dev[i].bdl);
2200 }
2201 if (chip->rb.area)
2202 snd_dma_free_pages(&chip->rb);
2203 if (chip->posbuf.area)
2204 snd_dma_free_pages(&chip->posbuf);
2205 pci_release_regions(chip->pci);
2206 pci_disable_device(chip->pci);
2207 kfree(chip->azx_dev);
2208 kfree(chip);
2209
2210 return 0;
2211}
2212
2213static int azx_dev_free(struct snd_device *device)
2214{
2215 return azx_free(device->device_data);
2216}
2217
2218
2219
2220
2221static struct snd_pci_quirk position_fix_list[] __devinitdata = {
2222 SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
2223 SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
2224 SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
2225 {}
2226};
2227
2228static int __devinit check_position_fix(struct azx *chip, int fix)
2229{
2230 const struct snd_pci_quirk *q;
2231
2232 switch (fix) {
2233 case POS_FIX_LPIB:
2234 case POS_FIX_POSBUF:
2235 return fix;
2236 }
2237
2238
2239 switch (chip->driver_type) {
2240 case AZX_DRIVER_VIA:
2241 case AZX_DRIVER_ATI:
2242 chip->via_dmapos_patch = 1;
2243
2244 return POS_FIX_LPIB;
2245 }
2246 chip->via_dmapos_patch = 0;
2247
2248 q = snd_pci_quirk_lookup(chip->pci, position_fix_list);
2249 if (q) {
2250 printk(KERN_INFO
2251 "hda_intel: position_fix set to %d "
2252 "for device %04x:%04x\n",
2253 q->value, q->subvendor, q->subdevice);
2254 return q->value;
2255 }
2256 return POS_FIX_AUTO;
2257}
2258
2259
2260
2261
2262static struct snd_pci_quirk probe_mask_list[] __devinitdata = {
2263
2264
2265
2266 SND_PCI_QUIRK(0x1014, 0x05b7, "Thinkpad Z60", 0x01),
2267 SND_PCI_QUIRK(0x17aa, 0x2010, "Thinkpad X/T/R60", 0x01),
2268 SND_PCI_QUIRK(0x17aa, 0x20ac, "Thinkpad X/T/R61", 0x01),
2269
2270 SND_PCI_QUIRK(0x1028, 0x20ac, "Dell Studio Desktop", 0x01),
2271
2272 SND_PCI_QUIRK(0x17c0, 0x4085, "Medion MD96630", 0x01),
2273
2274 SND_PCI_QUIRK(0x1043, 0x1262, "ASUS W5Fm", 0x103),
2275 SND_PCI_QUIRK(0x1046, 0x1262, "ASUS W5F", 0x103),
2276 {}
2277};
2278
2279#define AZX_FORCE_CODEC_MASK 0x100
2280
2281static void __devinit check_probe_mask(struct azx *chip, int dev)
2282{
2283 const struct snd_pci_quirk *q;
2284
2285 chip->codec_probe_mask = probe_mask[dev];
2286 if (chip->codec_probe_mask == -1) {
2287 q = snd_pci_quirk_lookup(chip->pci, probe_mask_list);
2288 if (q) {
2289 printk(KERN_INFO
2290 "hda_intel: probe_mask set to 0x%x "
2291 "for device %04x:%04x\n",
2292 q->value, q->subvendor, q->subdevice);
2293 chip->codec_probe_mask = q->value;
2294 }
2295 }
2296
2297
2298 if (chip->codec_probe_mask != -1 &&
2299 (chip->codec_probe_mask & AZX_FORCE_CODEC_MASK)) {
2300 chip->codec_mask = chip->codec_probe_mask & 0xff;
2301 printk(KERN_INFO "hda_intel: codec_mask forced to 0x%x\n",
2302 chip->codec_mask);
2303 }
2304}
2305
2306
2307
2308
2309static struct snd_pci_quirk msi_white_list[] __devinitdata = {
2310 SND_PCI_QUIRK(0x103c, 0x30f7, "HP Pavilion dv4t-1300", 1),
2311 SND_PCI_QUIRK(0x103c, 0x3607, "HP Compa CQ40", 1),
2312 {}
2313};
2314
2315static void __devinit check_msi(struct azx *chip)
2316{
2317 const struct snd_pci_quirk *q;
2318
2319 chip->msi = enable_msi;
2320 if (chip->msi)
2321 return;
2322 q = snd_pci_quirk_lookup(chip->pci, msi_white_list);
2323 if (q) {
2324 printk(KERN_INFO
2325 "hda_intel: msi for device %04x:%04x set to %d\n",
2326 q->subvendor, q->subdevice, q->value);
2327 chip->msi = q->value;
2328 }
2329}
2330
2331
2332
2333
2334
2335static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci,
2336 int dev, int driver_type,
2337 struct azx **rchip)
2338{
2339 struct azx *chip;
2340 int i, err;
2341 unsigned short gcap;
2342 static struct snd_device_ops ops = {
2343 .dev_free = azx_dev_free,
2344 };
2345
2346 *rchip = NULL;
2347
2348 err = pci_enable_device(pci);
2349 if (err < 0)
2350 return err;
2351
2352 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
2353 if (!chip) {
2354 snd_printk(KERN_ERR SFX "cannot allocate chip\n");
2355 pci_disable_device(pci);
2356 return -ENOMEM;
2357 }
2358
2359 spin_lock_init(&chip->reg_lock);
2360 mutex_init(&chip->open_mutex);
2361 chip->card = card;
2362 chip->pci = pci;
2363 chip->irq = -1;
2364 chip->driver_type = driver_type;
2365 check_msi(chip);
2366 chip->dev_index = dev;
2367 INIT_WORK(&chip->irq_pending_work, azx_irq_pending_work);
2368
2369 chip->position_fix = check_position_fix(chip, position_fix[dev]);
2370 check_probe_mask(chip, dev);
2371
2372 chip->single_cmd = single_cmd;
2373
2374 if (bdl_pos_adj[dev] < 0) {
2375 switch (chip->driver_type) {
2376 case AZX_DRIVER_ICH:
2377 bdl_pos_adj[dev] = 1;
2378 break;
2379 default:
2380 bdl_pos_adj[dev] = 32;
2381 break;
2382 }
2383 }
2384
2385#if BITS_PER_LONG != 64
2386
2387 if (chip->driver_type == AZX_DRIVER_ULI) {
2388 u16 tmp3;
2389 pci_read_config_word(pci, 0x40, &tmp3);
2390 pci_write_config_word(pci, 0x40, tmp3 | 0x10);
2391 pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, 0);
2392 }
2393#endif
2394
2395 err = pci_request_regions(pci, "ICH HD audio");
2396 if (err < 0) {
2397 kfree(chip);
2398 pci_disable_device(pci);
2399 return err;
2400 }
2401
2402 chip->addr = pci_resource_start(pci, 0);
2403 chip->remap_addr = pci_ioremap_bar(pci, 0);
2404 if (chip->remap_addr == NULL) {
2405 snd_printk(KERN_ERR SFX "ioremap error\n");
2406 err = -ENXIO;
2407 goto errout;
2408 }
2409
2410 if (chip->msi)
2411 if (pci_enable_msi(pci) < 0)
2412 chip->msi = 0;
2413
2414 if (azx_acquire_irq(chip, 0) < 0) {
2415 err = -EBUSY;
2416 goto errout;
2417 }
2418
2419 pci_set_master(pci);
2420 synchronize_irq(chip->irq);
2421
2422 gcap = azx_readw(chip, GCAP);
2423 snd_printdd(SFX "chipset global capabilities = 0x%x\n", gcap);
2424
2425
2426 if ((chip->driver_type == AZX_DRIVER_ATI) ||
2427 (chip->driver_type == AZX_DRIVER_ATIHDMI)) {
2428 struct pci_dev *p_smbus;
2429 p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
2430 PCI_DEVICE_ID_ATI_SBX00_SMBUS,
2431 NULL);
2432 if (p_smbus) {
2433 if (p_smbus->revision < 0x30)
2434 gcap &= ~ICH6_GCAP_64OK;
2435 pci_dev_put(p_smbus);
2436 }
2437 }
2438
2439
2440 if ((gcap & ICH6_GCAP_64OK) && !pci_set_dma_mask(pci, DMA_BIT_MASK(64)))
2441 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(64));
2442 else {
2443 pci_set_dma_mask(pci, DMA_BIT_MASK(32));
2444 pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(32));
2445 }
2446
2447
2448
2449
2450 chip->capture_streams = (gcap >> 8) & 0x0f;
2451 chip->playback_streams = (gcap >> 12) & 0x0f;
2452 if (!chip->playback_streams && !chip->capture_streams) {
2453
2454
2455 switch (chip->driver_type) {
2456 case AZX_DRIVER_ULI:
2457 chip->playback_streams = ULI_NUM_PLAYBACK;
2458 chip->capture_streams = ULI_NUM_CAPTURE;
2459 break;
2460 case AZX_DRIVER_ATIHDMI:
2461 chip->playback_streams = ATIHDMI_NUM_PLAYBACK;
2462 chip->capture_streams = ATIHDMI_NUM_CAPTURE;
2463 break;
2464 case AZX_DRIVER_GENERIC:
2465 default:
2466 chip->playback_streams = ICH6_NUM_PLAYBACK;
2467 chip->capture_streams = ICH6_NUM_CAPTURE;
2468 break;
2469 }
2470 }
2471 chip->capture_index_offset = 0;
2472 chip->playback_index_offset = chip->capture_streams;
2473 chip->num_streams = chip->playback_streams + chip->capture_streams;
2474 chip->azx_dev = kcalloc(chip->num_streams, sizeof(*chip->azx_dev),
2475 GFP_KERNEL);
2476 if (!chip->azx_dev) {
2477 snd_printk(KERN_ERR SFX "cannot malloc azx_dev\n");
2478 goto errout;
2479 }
2480
2481 for (i = 0; i < chip->num_streams; i++) {
2482
2483 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
2484 snd_dma_pci_data(chip->pci),
2485 BDL_SIZE, &chip->azx_dev[i].bdl);
2486 if (err < 0) {
2487 snd_printk(KERN_ERR SFX "cannot allocate BDL\n");
2488 goto errout;
2489 }
2490 }
2491
2492 err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV,
2493 snd_dma_pci_data(chip->pci),
2494 chip->num_streams * 8, &chip->posbuf);
2495 if (err < 0) {
2496 snd_printk(KERN_ERR SFX "cannot allocate posbuf\n");
2497 goto errout;
2498 }
2499
2500 err = azx_alloc_cmd_io(chip);
2501 if (err < 0)
2502 goto errout;
2503
2504
2505 azx_init_stream(chip);
2506
2507
2508 azx_init_pci(chip);
2509 azx_init_chip(chip);
2510
2511
2512 if (!chip->codec_mask) {
2513 snd_printk(KERN_ERR SFX "no codecs found!\n");
2514 err = -ENODEV;
2515 goto errout;
2516 }
2517
2518 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
2519 if (err <0) {
2520 snd_printk(KERN_ERR SFX "Error creating device [card]!\n");
2521 goto errout;
2522 }
2523
2524 strcpy(card->driver, "HDA-Intel");
2525 strlcpy(card->shortname, driver_short_names[chip->driver_type],
2526 sizeof(card->shortname));
2527 snprintf(card->longname, sizeof(card->longname),
2528 "%s at 0x%lx irq %i",
2529 card->shortname, chip->addr, chip->irq);
2530
2531 *rchip = chip;
2532 return 0;
2533
2534 errout:
2535 azx_free(chip);
2536 return err;
2537}
2538
2539static void power_down_all_codecs(struct azx *chip)
2540{
2541#ifdef CONFIG_SND_HDA_POWER_SAVE
2542
2543
2544
2545 struct hda_codec *codec;
2546 list_for_each_entry(codec, &chip->bus->codec_list, list) {
2547 snd_hda_power_down(codec);
2548 }
2549#endif
2550}
2551
2552static int __devinit azx_probe(struct pci_dev *pci,
2553 const struct pci_device_id *pci_id)
2554{
2555 static int dev;
2556 struct snd_card *card;
2557 struct azx *chip;
2558 int err;
2559
2560 if (dev >= SNDRV_CARDS)
2561 return -ENODEV;
2562 if (!enable[dev]) {
2563 dev++;
2564 return -ENOENT;
2565 }
2566
2567 err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2568 if (err < 0) {
2569 snd_printk(KERN_ERR SFX "Error creating card!\n");
2570 return err;
2571 }
2572
2573
2574 snd_card_set_dev(card, &pci->dev);
2575
2576 err = azx_create(card, pci, dev, pci_id->driver_data, &chip);
2577 if (err < 0)
2578 goto out_free;
2579 card->private_data = chip;
2580
2581
2582 err = azx_codec_create(chip, model[dev]);
2583 if (err < 0)
2584 goto out_free;
2585#ifdef CONFIG_SND_HDA_PATCH_LOADER
2586 if (patch[dev]) {
2587 snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
2588 patch[dev]);
2589 err = snd_hda_load_patch(chip->bus, patch[dev]);
2590 if (err < 0)
2591 goto out_free;
2592 }
2593#endif
2594 if (!probe_only[dev]) {
2595 err = azx_codec_configure(chip);
2596 if (err < 0)
2597 goto out_free;
2598 }
2599
2600
2601 err = snd_hda_build_pcms(chip->bus);
2602 if (err < 0)
2603 goto out_free;
2604
2605
2606 err = azx_mixer_create(chip);
2607 if (err < 0)
2608 goto out_free;
2609
2610 err = snd_card_register(card);
2611 if (err < 0)
2612 goto out_free;
2613
2614 pci_set_drvdata(pci, card);
2615 chip->running = 1;
2616 power_down_all_codecs(chip);
2617 azx_notifier_register(chip);
2618
2619 dev++;
2620 return err;
2621out_free:
2622 snd_card_free(card);
2623 return err;
2624}
2625
2626static void __devexit azx_remove(struct pci_dev *pci)
2627{
2628 snd_card_free(pci_get_drvdata(pci));
2629 pci_set_drvdata(pci, NULL);
2630}
2631
2632
2633static struct pci_device_id azx_ids[] = {
2634
2635 { PCI_DEVICE(0x8086, 0x2668), .driver_data = AZX_DRIVER_ICH },
2636 { PCI_DEVICE(0x8086, 0x27d8), .driver_data = AZX_DRIVER_ICH },
2637 { PCI_DEVICE(0x8086, 0x269a), .driver_data = AZX_DRIVER_ICH },
2638 { PCI_DEVICE(0x8086, 0x284b), .driver_data = AZX_DRIVER_ICH },
2639 { PCI_DEVICE(0x8086, 0x2911), .driver_data = AZX_DRIVER_ICH },
2640 { PCI_DEVICE(0x8086, 0x293e), .driver_data = AZX_DRIVER_ICH },
2641 { PCI_DEVICE(0x8086, 0x293f), .driver_data = AZX_DRIVER_ICH },
2642 { PCI_DEVICE(0x8086, 0x3a3e), .driver_data = AZX_DRIVER_ICH },
2643 { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
2644
2645 { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH },
2646
2647 { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH },
2648
2649 { PCI_DEVICE(0x1002, 0x437b), .driver_data = AZX_DRIVER_ATI },
2650 { PCI_DEVICE(0x1002, 0x4383), .driver_data = AZX_DRIVER_ATI },
2651
2652 { PCI_DEVICE(0x1002, 0x793b), .driver_data = AZX_DRIVER_ATIHDMI },
2653 { PCI_DEVICE(0x1002, 0x7919), .driver_data = AZX_DRIVER_ATIHDMI },
2654 { PCI_DEVICE(0x1002, 0x960f), .driver_data = AZX_DRIVER_ATIHDMI },
2655 { PCI_DEVICE(0x1002, 0x970f), .driver_data = AZX_DRIVER_ATIHDMI },
2656 { PCI_DEVICE(0x1002, 0xaa00), .driver_data = AZX_DRIVER_ATIHDMI },
2657 { PCI_DEVICE(0x1002, 0xaa08), .driver_data = AZX_DRIVER_ATIHDMI },
2658 { PCI_DEVICE(0x1002, 0xaa10), .driver_data = AZX_DRIVER_ATIHDMI },
2659 { PCI_DEVICE(0x1002, 0xaa18), .driver_data = AZX_DRIVER_ATIHDMI },
2660 { PCI_DEVICE(0x1002, 0xaa20), .driver_data = AZX_DRIVER_ATIHDMI },
2661 { PCI_DEVICE(0x1002, 0xaa28), .driver_data = AZX_DRIVER_ATIHDMI },
2662 { PCI_DEVICE(0x1002, 0xaa30), .driver_data = AZX_DRIVER_ATIHDMI },
2663 { PCI_DEVICE(0x1002, 0xaa38), .driver_data = AZX_DRIVER_ATIHDMI },
2664 { PCI_DEVICE(0x1002, 0xaa40), .driver_data = AZX_DRIVER_ATIHDMI },
2665 { PCI_DEVICE(0x1002, 0xaa48), .driver_data = AZX_DRIVER_ATIHDMI },
2666
2667 { PCI_DEVICE(0x1106, 0x3288), .driver_data = AZX_DRIVER_VIA },
2668
2669 { PCI_DEVICE(0x1039, 0x7502), .driver_data = AZX_DRIVER_SIS },
2670
2671 { PCI_DEVICE(0x10b9, 0x5461), .driver_data = AZX_DRIVER_ULI },
2672
2673 { PCI_DEVICE(0x10de, 0x026c), .driver_data = AZX_DRIVER_NVIDIA },
2674 { PCI_DEVICE(0x10de, 0x0371), .driver_data = AZX_DRIVER_NVIDIA },
2675 { PCI_DEVICE(0x10de, 0x03e4), .driver_data = AZX_DRIVER_NVIDIA },
2676 { PCI_DEVICE(0x10de, 0x03f0), .driver_data = AZX_DRIVER_NVIDIA },
2677 { PCI_DEVICE(0x10de, 0x044a), .driver_data = AZX_DRIVER_NVIDIA },
2678 { PCI_DEVICE(0x10de, 0x044b), .driver_data = AZX_DRIVER_NVIDIA },
2679 { PCI_DEVICE(0x10de, 0x055c), .driver_data = AZX_DRIVER_NVIDIA },
2680 { PCI_DEVICE(0x10de, 0x055d), .driver_data = AZX_DRIVER_NVIDIA },
2681 { PCI_DEVICE(0x10de, 0x0590), .driver_data = AZX_DRIVER_NVIDIA },
2682 { PCI_DEVICE(0x10de, 0x0774), .driver_data = AZX_DRIVER_NVIDIA },
2683 { PCI_DEVICE(0x10de, 0x0775), .driver_data = AZX_DRIVER_NVIDIA },
2684 { PCI_DEVICE(0x10de, 0x0776), .driver_data = AZX_DRIVER_NVIDIA },
2685 { PCI_DEVICE(0x10de, 0x0777), .driver_data = AZX_DRIVER_NVIDIA },
2686 { PCI_DEVICE(0x10de, 0x07fc), .driver_data = AZX_DRIVER_NVIDIA },
2687 { PCI_DEVICE(0x10de, 0x07fd), .driver_data = AZX_DRIVER_NVIDIA },
2688 { PCI_DEVICE(0x10de, 0x0ac0), .driver_data = AZX_DRIVER_NVIDIA },
2689 { PCI_DEVICE(0x10de, 0x0ac1), .driver_data = AZX_DRIVER_NVIDIA },
2690 { PCI_DEVICE(0x10de, 0x0ac2), .driver_data = AZX_DRIVER_NVIDIA },
2691 { PCI_DEVICE(0x10de, 0x0ac3), .driver_data = AZX_DRIVER_NVIDIA },
2692 { PCI_DEVICE(0x10de, 0x0d94), .driver_data = AZX_DRIVER_NVIDIA },
2693 { PCI_DEVICE(0x10de, 0x0d95), .driver_data = AZX_DRIVER_NVIDIA },
2694 { PCI_DEVICE(0x10de, 0x0d96), .driver_data = AZX_DRIVER_NVIDIA },
2695 { PCI_DEVICE(0x10de, 0x0d97), .driver_data = AZX_DRIVER_NVIDIA },
2696
2697 { PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA },
2698
2699#if !defined(CONFIG_SND_CTXFI) && !defined(CONFIG_SND_CTXFI_MODULE)
2700
2701
2702
2703
2704 { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_ANY_ID),
2705 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2706 .class_mask = 0xffffff,
2707 .driver_data = AZX_DRIVER_GENERIC },
2708#else
2709
2710 { PCI_DEVICE(0x1102, 0x0009), .driver_data = AZX_DRIVER_GENERIC },
2711#endif
2712
2713 { PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_ANY_ID),
2714 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2715 .class_mask = 0xffffff,
2716 .driver_data = AZX_DRIVER_GENERIC },
2717 { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_ANY_ID),
2718 .class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
2719 .class_mask = 0xffffff,
2720 .driver_data = AZX_DRIVER_GENERIC },
2721 { 0, }
2722};
2723MODULE_DEVICE_TABLE(pci, azx_ids);
2724
2725
2726static struct pci_driver driver = {
2727 .name = "HDA Intel",
2728 .id_table = azx_ids,
2729 .probe = azx_probe,
2730 .remove = __devexit_p(azx_remove),
2731#ifdef CONFIG_PM
2732 .suspend = azx_suspend,
2733 .resume = azx_resume,
2734#endif
2735};
2736
2737static int __init alsa_card_azx_init(void)
2738{
2739 return pci_register_driver(&driver);
2740}
2741
2742static void __exit alsa_card_azx_exit(void)
2743{
2744 pci_unregister_driver(&driver);
2745}
2746
2747module_init(alsa_card_azx_init)
2748module_exit(alsa_card_azx_exit)
2749