1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Matt Wu <Matt_Wu@acersoftech.com.cn>
5 * Routines for control of ALi pci audio M5451
15 #include <linux/delay.h>
16 #include <linux/interrupt.h>
17 #include <linux/init.h>
18 #include <linux/pci.h>
19 #include <linux/slab.h>
20 #include <linux/module.h>
21 #include <linux/dma-mapping.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/info.h>
25 #include <sound/ac97_codec.h>
26 #include <sound/mpu401.h>
27 #include <sound/initval.h>
29 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
30 MODULE_DESCRIPTION("ALI M5451");
31 MODULE_LICENSE("GPL");
33 static int index = SNDRV_DEFAULT_IDX1; /* Index */
34 static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
35 static int pcm_channels = 32;
38 module_param(index, int, 0444);
39 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
40 module_param(id, charp, 0444);
41 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
42 module_param(pcm_channels, int, 0444);
43 MODULE_PARM_DESC(pcm_channels, "PCM Channels");
44 module_param(spdif, bool, 0444);
45 MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
47 /* just for backward compatibility */
49 module_param(enable, bool, 0444);
53 * Constants definition
56 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_AL<<16)|PCI_DEVICE_ID_AL_M5451)
59 #define ALI_CHANNELS 32
61 #define ALI_PCM_IN_CHANNEL 31
62 #define ALI_SPDIF_IN_CHANNEL 19
63 #define ALI_SPDIF_OUT_CHANNEL 15
64 #define ALI_CENTER_CHANNEL 24
65 #define ALI_LEF_CHANNEL 23
66 #define ALI_SURR_LEFT_CHANNEL 26
67 #define ALI_SURR_RIGHT_CHANNEL 25
68 #define ALI_MODEM_IN_CHANNEL 21
69 #define ALI_MODEM_OUT_CHANNEL 20
71 #define SNDRV_ALI_VOICE_TYPE_PCM 01
72 #define SNDRV_ALI_VOICE_TYPE_OTH 02
74 #define ALI_5451_V02 0x02
80 #define ALI_LEGACY_DMAR0 0x00 /* ADR0 */
81 #define ALI_LEGACY_DMAR4 0x04 /* CNT0 */
82 #define ALI_LEGACY_DMAR11 0x0b /* MOD */
83 #define ALI_LEGACY_DMAR15 0x0f /* MMR */
84 #define ALI_MPUR0 0x20
85 #define ALI_MPUR1 0x21
86 #define ALI_MPUR2 0x22
87 #define ALI_MPUR3 0x23
89 #define ALI_AC97_WRITE 0x40
90 #define ALI_AC97_READ 0x44
92 #define ALI_SCTRL 0x48
93 #define ALI_SPDIF_OUT_ENABLE 0x20
94 #define ALI_SCTRL_LINE_IN2 (1 << 9)
95 #define ALI_SCTRL_GPIO_IN2 (1 << 13)
96 #define ALI_SCTRL_LINE_OUT_EN (1 << 20)
97 #define ALI_SCTRL_GPIO_OUT_EN (1 << 23)
98 #define ALI_SCTRL_CODEC1_READY (1 << 24)
99 #define ALI_SCTRL_CODEC2_READY (1 << 25)
100 #define ALI_AC97_GPIO 0x4c
101 #define ALI_AC97_GPIO_ENABLE 0x8000
102 #define ALI_AC97_GPIO_DATA_SHIFT 16
103 #define ALI_SPDIF_CS 0x70
104 #define ALI_SPDIF_CTRL 0x74
105 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02
106 #define ALI_SPDIF_IN_CH_STATUS 0x40
107 #define ALI_SPDIF_OUT_CH_STATUS 0xbf
108 #define ALI_START 0x80
109 #define ALI_STOP 0x84
110 #define ALI_CSPF 0x90
111 #define ALI_AINT 0x98
112 #define ALI_GC_CIR 0xa0
113 #define ENDLP_IE 0x00001000
114 #define MIDLP_IE 0x00002000
115 #define ALI_AINTEN 0xa4
116 #define ALI_VOLUME 0xa8
117 #define ALI_SBDELTA_DELTA_R 0xac
118 #define ALI_MISCINT 0xb0
119 #define ADDRESS_IRQ 0x00000020
120 #define TARGET_REACHED 0x00008000
121 #define MIXER_OVERFLOW 0x00000800
122 #define MIXER_UNDERFLOW 0x00000400
123 #define GPIO_IRQ 0x01000000
124 #define ALI_SBBL_SBCL 0xc0
125 #define ALI_SBCTRL_SBE2R_SBDD 0xc4
126 #define ALI_STIMER 0xc8
127 #define ALI_GLOBAL_CONTROL 0xd4
128 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
129 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
130 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
131 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
132 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
134 #define ALI_CSO_ALPHA_FMS 0xe0
136 #define ALI_ESO_DELTA 0xe8
137 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
138 #define ALI_EBUF1 0xf4
139 #define ALI_EBUF2 0xf8
141 #define ALI_REG(codec, x) ((codec)->port + x)
147 struct snd_ali_voice;
149 struct snd_ali_channel_control {
158 /* register addresses */
164 unsigned int ac97read;
165 unsigned int ac97write;
170 struct snd_ali_voice {
180 struct snd_ali *codec;
181 struct snd_pcm_substream *substream;
182 struct snd_ali_voice *extra;
184 int eso; /* final ESO value for channel */
185 int count; /* runtime->period_size */
190 void (*private_free)(void *private_data);
196 struct snd_ali_voice voices[ALI_CHANNELS];
198 unsigned int chcnt; /* num of opened channels */
199 unsigned int chmap; /* bitmap for opened channels */
200 unsigned int synthcount;
205 #define ALI_GLOBAL_REGS 56
206 #define ALI_CHANNEL_REGS 8
207 struct snd_ali_image {
208 u32 regs[ALI_GLOBAL_REGS];
209 u32 channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
216 unsigned char revision;
218 unsigned int hw_initialized :1;
219 unsigned int spdif_support :1;
222 struct pci_dev *pci_m1533;
223 struct pci_dev *pci_m7101;
225 struct snd_card *card;
226 struct snd_pcm *pcm[MAX_CODECS];
227 struct snd_alidev synth;
228 struct snd_ali_channel_control chregs;
231 unsigned int spdif_mask;
233 unsigned int spurious_irq_count;
234 unsigned int spurious_irq_max_delta;
236 unsigned int num_of_codecs;
238 struct snd_ac97_bus *ac97_bus;
239 struct snd_ac97 *ac97[MAX_CODECS];
240 unsigned short ac97_ext_id;
241 unsigned short ac97_ext_status;
244 spinlock_t voice_alloc;
246 #ifdef CONFIG_PM_SLEEP
247 struct snd_ali_image *image;
251 static const struct pci_device_id snd_ali_ids[] = {
252 {PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5451), 0, 0, 0},
255 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
257 static void snd_ali_clear_voices(struct snd_ali *, unsigned int, unsigned int);
258 static unsigned short snd_ali_codec_peek(struct snd_ali *, int, unsigned short);
259 static void snd_ali_codec_poke(struct snd_ali *, int, unsigned short,
266 static inline unsigned int snd_ali_5451_peek(struct snd_ali *codec,
269 return (unsigned int)inl(ALI_REG(codec, port));
272 static inline void snd_ali_5451_poke(struct snd_ali *codec,
276 outl((unsigned int)val, ALI_REG(codec, port));
279 static int snd_ali_codec_ready(struct snd_ali *codec,
282 unsigned long end_time;
285 end_time = jiffies + msecs_to_jiffies(250);
288 res = snd_ali_5451_peek(codec,port);
291 if (!time_after_eq(end_time, jiffies))
293 schedule_timeout_uninterruptible(1);
296 snd_ali_5451_poke(codec, port, res & ~0x8000);
297 dev_dbg(codec->card->dev, "ali_codec_ready: codec is not ready.\n ");
301 static int snd_ali_stimer_ready(struct snd_ali *codec)
303 unsigned long end_time;
304 unsigned long dwChk1,dwChk2;
306 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
307 end_time = jiffies + msecs_to_jiffies(250);
310 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
311 if (dwChk2 != dwChk1)
313 if (!time_after_eq(end_time, jiffies))
315 schedule_timeout_uninterruptible(1);
318 dev_err(codec->card->dev, "ali_stimer_read: stimer is not ready.\n");
322 static void snd_ali_codec_poke(struct snd_ali *codec,int secondary,
330 dev_err(codec->card->dev,
331 "ali_codec_poke: reg(%xh) invalid.\n", reg);
335 port = codec->chregs.regs.ac97write;
337 if (snd_ali_codec_ready(codec, port) < 0)
339 if (snd_ali_stimer_ready(codec) < 0)
342 dwVal = (unsigned int) (reg & 0xff);
343 dwVal |= 0x8000 | (val << 16);
346 if (codec->revision == ALI_5451_V02)
349 snd_ali_5451_poke(codec, port, dwVal);
354 static unsigned short snd_ali_codec_peek(struct snd_ali *codec,
362 dev_err(codec->card->dev,
363 "ali_codec_peek: reg(%xh) invalid.\n", reg);
367 port = codec->chregs.regs.ac97read;
369 if (snd_ali_codec_ready(codec, port) < 0)
371 if (snd_ali_stimer_ready(codec) < 0)
374 dwVal = (unsigned int) (reg & 0xff);
375 dwVal |= 0x8000; /* bit 15*/
379 snd_ali_5451_poke(codec, port, dwVal);
381 if (snd_ali_stimer_ready(codec) < 0)
383 if (snd_ali_codec_ready(codec, port) < 0)
386 return (snd_ali_5451_peek(codec, port) & 0xffff0000) >> 16;
389 static void snd_ali_codec_write(struct snd_ac97 *ac97,
393 struct snd_ali *codec = ac97->private_data;
395 dev_dbg(codec->card->dev, "codec_write: reg=%xh data=%xh.\n", reg, val);
396 if (reg == AC97_GPIO_STATUS) {
397 outl((val << ALI_AC97_GPIO_DATA_SHIFT) | ALI_AC97_GPIO_ENABLE,
398 ALI_REG(codec, ALI_AC97_GPIO));
401 snd_ali_codec_poke(codec, ac97->num, reg, val);
406 static unsigned short snd_ali_codec_read(struct snd_ac97 *ac97,
409 struct snd_ali *codec = ac97->private_data;
411 dev_dbg(codec->card->dev, "codec_read reg=%xh.\n", reg);
412 return snd_ali_codec_peek(codec, ac97->num, reg);
419 static int snd_ali_reset_5451(struct snd_ali *codec)
421 struct pci_dev *pci_dev;
422 unsigned short wCount, wReg;
425 pci_dev = codec->pci_m1533;
427 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
428 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
430 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
431 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
435 pci_dev = codec->pci;
436 pci_read_config_dword(pci_dev, 0x44, &dwVal);
437 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
439 pci_read_config_dword(pci_dev, 0x44, &dwVal);
440 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
445 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
446 if ((wReg & 0x000f) == 0x000f)
451 /* non-fatal if you have a non PM capable codec */
452 /* dev_warn(codec->card->dev, "ali5451: reset time out\n"); */
457 * ALI 5451 Controller
460 static void snd_ali_enable_special_channel(struct snd_ali *codec,
461 unsigned int channel)
465 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
466 dwVal |= 1 << (channel & 0x0000001f);
467 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
470 static void snd_ali_disable_special_channel(struct snd_ali *codec,
471 unsigned int channel)
475 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
476 dwVal &= ~(1 << (channel & 0x0000001f));
477 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
480 static void snd_ali_enable_address_interrupt(struct snd_ali *codec)
484 gc = inl(ALI_REG(codec, ALI_GC_CIR));
487 outl( gc, ALI_REG(codec, ALI_GC_CIR));
490 static void snd_ali_disable_address_interrupt(struct snd_ali *codec)
494 gc = inl(ALI_REG(codec, ALI_GC_CIR));
497 outl(gc, ALI_REG(codec, ALI_GC_CIR));
500 static void snd_ali_disable_voice_irq(struct snd_ali *codec,
501 unsigned int channel)
504 struct snd_ali_channel_control *pchregs = &(codec->chregs);
506 dev_dbg(codec->card->dev, "disable_voice_irq channel=%d\n", channel);
508 mask = 1 << (channel & 0x1f);
509 pchregs->data.ainten = inl(ALI_REG(codec, pchregs->regs.ainten));
510 pchregs->data.ainten &= ~mask;
511 outl(pchregs->data.ainten, ALI_REG(codec, pchregs->regs.ainten));
514 static int snd_ali_alloc_pcm_channel(struct snd_ali *codec, int channel)
516 unsigned int idx = channel & 0x1f;
518 if (codec->synth.chcnt >= ALI_CHANNELS){
519 dev_err(codec->card->dev,
520 "ali_alloc_pcm_channel: no free channels.\n");
524 if (!(codec->synth.chmap & (1 << idx))) {
525 codec->synth.chmap |= 1 << idx;
526 codec->synth.chcnt++;
527 dev_dbg(codec->card->dev, "alloc_pcm_channel no. %d.\n", idx);
533 static int snd_ali_find_free_channel(struct snd_ali * codec, int rec)
538 dev_dbg(codec->card->dev,
539 "find_free_channel: for %s\n", rec ? "rec" : "pcm");
543 if (codec->spdif_support &&
544 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
545 ALI_SPDIF_IN_SUPPORT))
546 idx = ALI_SPDIF_IN_CHANNEL;
548 idx = ALI_PCM_IN_CHANNEL;
550 result = snd_ali_alloc_pcm_channel(codec, idx);
554 dev_err(codec->card->dev,
555 "ali_find_free_channel: record channel is busy now.\n");
561 if (codec->spdif_support &&
562 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
563 ALI_SPDIF_OUT_CH_ENABLE)) {
564 idx = ALI_SPDIF_OUT_CHANNEL;
565 result = snd_ali_alloc_pcm_channel(codec, idx);
569 dev_err(codec->card->dev,
570 "ali_find_free_channel: S/PDIF out channel is in busy now.\n");
573 for (idx = 0; idx < ALI_CHANNELS; idx++) {
574 result = snd_ali_alloc_pcm_channel(codec, idx);
578 dev_err(codec->card->dev, "ali_find_free_channel: no free channels.\n");
582 static void snd_ali_free_channel_pcm(struct snd_ali *codec, int channel)
584 unsigned int idx = channel & 0x0000001f;
586 dev_dbg(codec->card->dev, "free_channel_pcm channel=%d\n", channel);
588 if (channel < 0 || channel >= ALI_CHANNELS)
591 if (!(codec->synth.chmap & (1 << idx))) {
592 dev_err(codec->card->dev,
593 "ali_free_channel_pcm: channel %d is not in use.\n",
597 codec->synth.chmap &= ~(1 << idx);
598 codec->synth.chcnt--;
602 static void snd_ali_stop_voice(struct snd_ali *codec, unsigned int channel)
604 unsigned int mask = 1 << (channel & 0x1f);
606 dev_dbg(codec->card->dev, "stop_voice: channel=%d\n", channel);
607 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
614 static void snd_ali_delay(struct snd_ali *codec,int interval)
616 unsigned long begintimer,currenttimer;
618 begintimer = inl(ALI_REG(codec, ALI_STIMER));
619 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
621 while (currenttimer < begintimer + interval) {
622 if (snd_ali_stimer_ready(codec) < 0)
624 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
629 static void snd_ali_detect_spdif_rate(struct snd_ali *codec)
635 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
637 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL + 1));
639 while ((R1 < 0x0b || R1 > 0x0e) && R1 != 0x12 && count <= 50000) {
641 snd_ali_delay(codec, 6);
642 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL + 1));
647 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
651 for (count = 0; count <= 50000; count++) {
652 snd_ali_delay(codec, 6);
653 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
662 dev_err(codec->card->dev, "ali_detect_spdif_rate: timeout!\n");
666 if (R2 >= 0x0b && R2 <= 0x0e) {
667 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
669 wval |= (0x09 << 8) | 0x05;
670 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
672 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3)) & 0xf0;
673 outb(bval | 0x02, ALI_REG(codec, ALI_SPDIF_CS + 3));
674 } else if (R2 == 0x12) {
675 wval = inw(ALI_REG(codec, ALI_SPDIF_CTRL + 2));
677 wval |= (0x0e << 8) | 0x08;
678 outw(wval, ALI_REG(codec, ALI_SPDIF_CTRL + 2));
680 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3)) & 0xf0;
681 outb(bval | 0x03, ALI_REG(codec, ALI_SPDIF_CS + 3));
685 static unsigned int snd_ali_get_spdif_in_rate(struct snd_ali *codec)
690 bval = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
693 outb(bval, ALI_REG(codec, ALI_SPDIF_CTRL));
695 snd_ali_detect_spdif_rate(codec);
697 bval = inb(ALI_REG(codec, ALI_SPDIF_CS + 3));
701 case 0: dwRate = 44100; break;
702 case 1: dwRate = 48000; break;
703 case 2: dwRate = 32000; break;
704 default: dwRate = 0; break;
710 static void snd_ali_enable_spdif_in(struct snd_ali *codec)
714 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
715 dwVal |= ALI_SPDIF_IN_SUPPORT;
716 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
718 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
720 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
722 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
725 static void snd_ali_disable_spdif_in(struct snd_ali *codec)
729 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
730 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
731 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
733 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
737 static void snd_ali_set_spdif_out_rate(struct snd_ali *codec, unsigned int rate)
743 case 32000: dwRate = 0x300; break;
744 case 48000: dwRate = 0x200; break;
745 default: dwRate = 0; break;
748 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
749 bVal &= (unsigned char)(~(1<<6));
751 bVal |= 0x80; /* select right */
752 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
753 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
755 bVal &= ~0x80; /* select left */
756 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
757 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
760 static void snd_ali_enable_spdif_out(struct snd_ali *codec)
764 struct pci_dev *pci_dev;
766 pci_dev = codec->pci_m1533;
769 pci_read_config_byte(pci_dev, 0x61, &bVal);
771 pci_write_config_byte(pci_dev, 0x61, bVal);
772 pci_read_config_byte(pci_dev, 0x7d, &bVal);
774 pci_write_config_byte(pci_dev, 0x7d, bVal);
776 pci_read_config_byte(pci_dev, 0x7e, &bVal);
779 pci_write_config_byte(pci_dev, 0x7e, bVal);
781 bVal = inb(ALI_REG(codec, ALI_SCTRL));
782 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
784 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
785 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
787 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
788 wVal |= ALI_SPDIF_OUT_SEL_PCM;
789 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
790 snd_ali_disable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
793 static void snd_ali_enable_spdif_chnout(struct snd_ali *codec)
797 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
798 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
799 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
801 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
802 if (flag & ALI_SPDIF_OUT_NON_PCM)
806 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
808 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
811 static void snd_ali_disable_spdif_chnout(struct snd_ali *codec)
815 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
816 wVal |= ALI_SPDIF_OUT_SEL_PCM;
817 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
819 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
822 static void snd_ali_disable_spdif_out(struct snd_ali *codec)
826 bVal = inb(ALI_REG(codec, ALI_SCTRL));
827 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
829 snd_ali_disable_spdif_chnout(codec);
832 static void snd_ali_update_ptr(struct snd_ali *codec, int channel)
834 struct snd_ali_voice *pvoice;
835 struct snd_ali_channel_control *pchregs;
836 unsigned int old, mask;
838 pchregs = &(codec->chregs);
840 /* check if interrupt occurred for channel */
841 old = pchregs->data.aint;
842 mask = 1U << (channel & 0x1f);
847 pvoice = &codec->synth.voices[channel];
850 spin_lock(&codec->reg_lock);
852 if (pvoice->pcm && pvoice->substream) {
854 if (pvoice->running) {
855 dev_dbg(codec->card->dev,
856 "update_ptr: cso=%4.4x cspf=%d.\n",
857 inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2)),
858 (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask);
859 spin_unlock(&codec->reg_lock);
860 snd_pcm_period_elapsed(pvoice->substream);
861 spin_lock(&codec->reg_lock);
863 snd_ali_stop_voice(codec, channel);
864 snd_ali_disable_voice_irq(codec, channel);
866 } else if (codec->synth.voices[channel].synth) {
867 /* synth interrupt */
868 } else if (codec->synth.voices[channel].midi) {
871 /* unknown interrupt */
872 snd_ali_stop_voice(codec, channel);
873 snd_ali_disable_voice_irq(codec, channel);
875 spin_unlock(&codec->reg_lock);
876 outl(mask,ALI_REG(codec,pchregs->regs.aint));
877 pchregs->data.aint = old & (~mask);
880 static irqreturn_t snd_ali_card_interrupt(int irq, void *dev_id)
882 struct snd_ali *codec = dev_id;
884 unsigned int audio_int;
885 struct snd_ali_channel_control *pchregs;
887 if (codec == NULL || !codec->hw_initialized)
890 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
894 pchregs = &(codec->chregs);
895 if (audio_int & ADDRESS_IRQ) {
896 /* get interrupt status for all channels */
897 pchregs->data.aint = inl(ALI_REG(codec, pchregs->regs.aint));
898 for (channel = 0; channel < ALI_CHANNELS; channel++)
899 snd_ali_update_ptr(codec, channel);
901 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
902 ALI_REG(codec, ALI_MISCINT));
908 static struct snd_ali_voice *snd_ali_alloc_voice(struct snd_ali * codec,
909 int type, int rec, int channel)
911 struct snd_ali_voice *pvoice;
914 dev_dbg(codec->card->dev, "alloc_voice: type=%d rec=%d\n", type, rec);
916 spin_lock_irq(&codec->voice_alloc);
917 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
918 idx = channel > 0 ? snd_ali_alloc_pcm_channel(codec, channel) :
919 snd_ali_find_free_channel(codec,rec);
921 dev_err(codec->card->dev, "ali_alloc_voice: err.\n");
922 spin_unlock_irq(&codec->voice_alloc);
925 pvoice = &(codec->synth.voices[idx]);
926 pvoice->codec = codec;
930 spin_unlock_irq(&codec->voice_alloc);
933 spin_unlock_irq(&codec->voice_alloc);
938 static void snd_ali_free_voice(struct snd_ali * codec,
939 struct snd_ali_voice *pvoice)
941 void (*private_free)(void *);
944 dev_dbg(codec->card->dev, "free_voice: channel=%d\n", pvoice->number);
947 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
948 spin_lock_irq(&codec->voice_alloc);
949 private_free = pvoice->private_free;
950 private_data = pvoice->private_data;
951 pvoice->private_free = NULL;
952 pvoice->private_data = NULL;
954 snd_ali_free_channel_pcm(codec, pvoice->number);
955 pvoice->use = pvoice->pcm = pvoice->synth = 0;
956 pvoice->substream = NULL;
957 spin_unlock_irq(&codec->voice_alloc);
959 private_free(private_data);
963 static void snd_ali_clear_voices(struct snd_ali *codec,
969 for (i = v_min; i <= v_max; i++) {
970 snd_ali_stop_voice(codec, i);
971 snd_ali_disable_voice_irq(codec, i);
975 static void snd_ali_write_voice_regs(struct snd_ali *codec,
976 unsigned int Channel,
981 unsigned int ALPHA_FMS,
988 unsigned int ctlcmds[4];
990 outb((unsigned char)(Channel & 0x001f), ALI_REG(codec, ALI_GC_CIR));
992 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
994 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
995 ctlcmds[3] = (GVSEL << 31) |
996 ((PAN & 0x0000007f) << 24) |
997 ((VOL & 0x000000ff) << 16) |
998 ((CTRL & 0x0000000f) << 12) |
1001 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1003 outl(ctlcmds[0], ALI_REG(codec, ALI_CSO_ALPHA_FMS));
1004 outl(ctlcmds[1], ALI_REG(codec, ALI_LBA));
1005 outl(ctlcmds[2], ALI_REG(codec, ALI_ESO_DELTA));
1006 outl(ctlcmds[3], ALI_REG(codec, ALI_GVSEL_PAN_VOC_CTRL_EC));
1008 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1009 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1012 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1024 else if (rate == 8000)
1026 else if (rate == 48000)
1029 delta = ((48000 << 12) / rate) & 0x0000ffff;
1033 else if (rate == 8000)
1035 else if (rate == 48000)
1038 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1044 static unsigned int snd_ali_control_mode(struct snd_pcm_substream *substream)
1047 struct snd_pcm_runtime *runtime = substream->runtime;
1050 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1053 if (snd_pcm_format_width(runtime->format) == 16)
1054 CTRL |= 0x00000008; /* 16-bit data */
1055 if (!snd_pcm_format_unsigned(runtime->format))
1056 CTRL |= 0x00000002; /* signed data */
1057 if (runtime->channels > 1)
1058 CTRL |= 0x00000004; /* stereo data */
1066 static int snd_ali_trigger(struct snd_pcm_substream *substream,
1070 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1071 struct snd_pcm_substream *s;
1072 unsigned int what, whati;
1073 struct snd_ali_voice *pvoice, *evoice;
1078 case SNDRV_PCM_TRIGGER_START:
1079 case SNDRV_PCM_TRIGGER_RESUME:
1082 case SNDRV_PCM_TRIGGER_STOP:
1083 case SNDRV_PCM_TRIGGER_SUSPEND:
1091 snd_pcm_group_for_each_entry(s, substream) {
1092 if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
1093 pvoice = s->runtime->private_data;
1094 evoice = pvoice->extra;
1095 what |= 1 << (pvoice->number & 0x1f);
1097 whati |= 1 << (pvoice->number & 0x1f);
1099 whati |= 1 << (evoice->number & 0x1f);
1100 what |= 1 << (evoice->number & 0x1f);
1103 pvoice->running = 1;
1105 evoice->running = 1;
1107 pvoice->running = 0;
1109 evoice->running = 0;
1111 snd_pcm_trigger_done(s, substream);
1114 spin_lock(&codec->reg_lock);
1116 outl(what, ALI_REG(codec, ALI_STOP));
1117 val = inl(ALI_REG(codec, ALI_AINTEN));
1122 outl(val, ALI_REG(codec, ALI_AINTEN));
1124 outl(what, ALI_REG(codec, ALI_START));
1125 dev_dbg(codec->card->dev, "trigger: what=%xh whati=%xh\n", what, whati);
1126 spin_unlock(&codec->reg_lock);
1131 static int snd_ali_playback_hw_params(struct snd_pcm_substream *substream,
1132 struct snd_pcm_hw_params *hw_params)
1134 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1135 struct snd_pcm_runtime *runtime = substream->runtime;
1136 struct snd_ali_voice *pvoice = runtime->private_data;
1137 struct snd_ali_voice *evoice = pvoice->extra;
1139 /* voice management */
1141 if (params_buffer_size(hw_params) / 2 !=
1142 params_period_size(hw_params)) {
1144 evoice = snd_ali_alloc_voice(codec,
1145 SNDRV_ALI_VOICE_TYPE_PCM,
1149 pvoice->extra = evoice;
1150 evoice->substream = substream;
1154 snd_ali_free_voice(codec, evoice);
1155 pvoice->extra = evoice = NULL;
1162 static int snd_ali_playback_hw_free(struct snd_pcm_substream *substream)
1164 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1165 struct snd_pcm_runtime *runtime = substream->runtime;
1166 struct snd_ali_voice *pvoice = runtime->private_data;
1167 struct snd_ali_voice *evoice = pvoice ? pvoice->extra : NULL;
1170 snd_ali_free_voice(codec, evoice);
1171 pvoice->extra = NULL;
1176 static int snd_ali_playback_prepare(struct snd_pcm_substream *substream)
1178 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1179 struct snd_pcm_runtime *runtime = substream->runtime;
1180 struct snd_ali_voice *pvoice = runtime->private_data;
1181 struct snd_ali_voice *evoice = pvoice->extra;
1192 dev_dbg(codec->card->dev, "playback_prepare ...\n");
1194 spin_lock_irq(&codec->reg_lock);
1196 /* set Delta (rate) value */
1197 Delta = snd_ali_convert_rate(runtime->rate, 0);
1199 if (pvoice->number == ALI_SPDIF_IN_CHANNEL ||
1200 pvoice->number == ALI_PCM_IN_CHANNEL)
1201 snd_ali_disable_special_channel(codec, pvoice->number);
1202 else if (codec->spdif_support &&
1203 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) &
1204 ALI_SPDIF_OUT_CH_ENABLE)
1205 && pvoice->number == ALI_SPDIF_OUT_CHANNEL) {
1206 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1210 /* set Loop Back Address */
1211 LBA = runtime->dma_addr;
1213 /* set interrupt count size */
1214 pvoice->count = runtime->period_size;
1216 /* set target ESO for channel */
1217 pvoice->eso = runtime->buffer_size;
1219 dev_dbg(codec->card->dev, "playback_prepare: eso=%xh count=%xh\n",
1220 pvoice->eso, pvoice->count);
1222 /* set ESO to capture first MIDLP interrupt */
1223 ESO = pvoice->eso -1;
1225 CTRL = snd_ali_control_mode(substream);
1231 dev_dbg(codec->card->dev, "playback_prepare:\n");
1232 dev_dbg(codec->card->dev,
1233 "ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",
1234 pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1235 snd_ali_write_voice_regs(codec,
1248 evoice->count = pvoice->count;
1249 evoice->eso = pvoice->count << 1;
1250 ESO = evoice->eso - 1;
1251 snd_ali_write_voice_regs(codec,
1264 spin_unlock_irq(&codec->reg_lock);
1269 static int snd_ali_prepare(struct snd_pcm_substream *substream)
1271 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1272 struct snd_pcm_runtime *runtime = substream->runtime;
1273 struct snd_ali_voice *pvoice = runtime->private_data;
1284 spin_lock_irq(&codec->reg_lock);
1286 dev_dbg(codec->card->dev, "ali_prepare...\n");
1288 snd_ali_enable_special_channel(codec,pvoice->number);
1290 Delta = (pvoice->number == ALI_MODEM_IN_CHANNEL ||
1291 pvoice->number == ALI_MODEM_OUT_CHANNEL) ?
1292 0x1000 : snd_ali_convert_rate(runtime->rate, pvoice->mode);
1294 /* Prepare capture intr channel */
1295 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1299 spin_unlock_irq(&codec->reg_lock);
1300 if (codec->revision != ALI_5451_V02)
1303 rate = snd_ali_get_spdif_in_rate(codec);
1305 dev_warn(codec->card->dev,
1306 "ali_capture_prepare: spdif rate detect err!\n");
1309 spin_lock_irq(&codec->reg_lock);
1310 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1311 if (bValue & 0x10) {
1312 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1313 dev_warn(codec->card->dev,
1314 "clear SPDIF parity error flag.\n");
1318 Delta = ((rate << 12) / runtime->rate) & 0x00ffff;
1321 /* set target ESO for channel */
1322 pvoice->eso = runtime->buffer_size;
1324 /* set interrupt count size */
1325 pvoice->count = runtime->period_size;
1327 /* set Loop Back Address */
1328 LBA = runtime->dma_addr;
1330 /* set ESO to capture first MIDLP interrupt */
1331 ESO = pvoice->eso - 1;
1332 CTRL = snd_ali_control_mode(substream);
1338 snd_ali_write_voice_regs( codec,
1351 spin_unlock_irq(&codec->reg_lock);
1357 static snd_pcm_uframes_t
1358 snd_ali_playback_pointer(struct snd_pcm_substream *substream)
1360 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1361 struct snd_pcm_runtime *runtime = substream->runtime;
1362 struct snd_ali_voice *pvoice = runtime->private_data;
1365 spin_lock(&codec->reg_lock);
1366 if (!pvoice->running) {
1367 spin_unlock(&codec->reg_lock);
1370 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1371 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1372 spin_unlock(&codec->reg_lock);
1373 dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);
1375 cso %= runtime->buffer_size;
1380 static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
1382 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1383 struct snd_pcm_runtime *runtime = substream->runtime;
1384 struct snd_ali_voice *pvoice = runtime->private_data;
1387 spin_lock(&codec->reg_lock);
1388 if (!pvoice->running) {
1389 spin_unlock(&codec->reg_lock);
1392 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1393 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1394 spin_unlock(&codec->reg_lock);
1396 cso %= runtime->buffer_size;
1400 static const struct snd_pcm_hardware snd_ali_playback =
1402 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1403 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1404 SNDRV_PCM_INFO_MMAP_VALID |
1405 SNDRV_PCM_INFO_RESUME |
1406 SNDRV_PCM_INFO_SYNC_START),
1407 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1408 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1409 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1414 .buffer_bytes_max = (256*1024),
1415 .period_bytes_min = 64,
1416 .period_bytes_max = (256*1024),
1418 .periods_max = 1024,
1423 * Capture support device description
1426 static const struct snd_pcm_hardware snd_ali_capture =
1428 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1429 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1430 SNDRV_PCM_INFO_MMAP_VALID |
1431 SNDRV_PCM_INFO_RESUME |
1432 SNDRV_PCM_INFO_SYNC_START),
1433 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1434 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1435 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1440 .buffer_bytes_max = (128*1024),
1441 .period_bytes_min = 64,
1442 .period_bytes_max = (128*1024),
1444 .periods_max = 1024,
1448 static void snd_ali_pcm_free_substream(struct snd_pcm_runtime *runtime)
1450 struct snd_ali_voice *pvoice = runtime->private_data;
1453 snd_ali_free_voice(pvoice->codec, pvoice);
1456 static int snd_ali_open(struct snd_pcm_substream *substream, int rec,
1457 int channel, const struct snd_pcm_hardware *phw)
1459 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1460 struct snd_pcm_runtime *runtime = substream->runtime;
1461 struct snd_ali_voice *pvoice;
1463 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, rec,
1468 pvoice->substream = substream;
1469 runtime->private_data = pvoice;
1470 runtime->private_free = snd_ali_pcm_free_substream;
1473 snd_pcm_set_sync(substream);
1474 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
1479 static int snd_ali_playback_open(struct snd_pcm_substream *substream)
1481 return snd_ali_open(substream, 0, -1, &snd_ali_playback);
1484 static int snd_ali_capture_open(struct snd_pcm_substream *substream)
1486 return snd_ali_open(substream, 1, -1, &snd_ali_capture);
1489 static int snd_ali_playback_close(struct snd_pcm_substream *substream)
1494 static int snd_ali_close(struct snd_pcm_substream *substream)
1496 struct snd_ali *codec = snd_pcm_substream_chip(substream);
1497 struct snd_ali_voice *pvoice = substream->runtime->private_data;
1499 snd_ali_disable_special_channel(codec,pvoice->number);
1504 static const struct snd_pcm_ops snd_ali_playback_ops = {
1505 .open = snd_ali_playback_open,
1506 .close = snd_ali_playback_close,
1507 .hw_params = snd_ali_playback_hw_params,
1508 .hw_free = snd_ali_playback_hw_free,
1509 .prepare = snd_ali_playback_prepare,
1510 .trigger = snd_ali_trigger,
1511 .pointer = snd_ali_playback_pointer,
1514 static const struct snd_pcm_ops snd_ali_capture_ops = {
1515 .open = snd_ali_capture_open,
1516 .close = snd_ali_close,
1517 .prepare = snd_ali_prepare,
1518 .trigger = snd_ali_trigger,
1519 .pointer = snd_ali_pointer,
1526 static int snd_ali_modem_hw_params(struct snd_pcm_substream *substream,
1527 struct snd_pcm_hw_params *hw_params)
1529 struct snd_ali *chip = snd_pcm_substream_chip(substream);
1530 unsigned int modem_num = chip->num_of_codecs - 1;
1531 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_RATE,
1532 params_rate(hw_params));
1533 snd_ac97_write(chip->ac97[modem_num], AC97_LINE1_LEVEL, 0);
1537 static const struct snd_pcm_hardware snd_ali_modem =
1539 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1540 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1541 SNDRV_PCM_INFO_MMAP_VALID |
1542 SNDRV_PCM_INFO_RESUME |
1543 SNDRV_PCM_INFO_SYNC_START),
1544 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1545 .rates = (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000 |
1546 SNDRV_PCM_RATE_16000),
1551 .buffer_bytes_max = (256*1024),
1552 .period_bytes_min = 64,
1553 .period_bytes_max = (256*1024),
1555 .periods_max = 1024,
1559 static int snd_ali_modem_open(struct snd_pcm_substream *substream, int rec,
1562 static const unsigned int rates[] = {8000, 9600, 12000, 16000};
1563 static const struct snd_pcm_hw_constraint_list hw_constraint_rates = {
1564 .count = ARRAY_SIZE(rates),
1568 int err = snd_ali_open(substream, rec, channel, &snd_ali_modem);
1572 return snd_pcm_hw_constraint_list(substream->runtime, 0,
1573 SNDRV_PCM_HW_PARAM_RATE, &hw_constraint_rates);
1576 static int snd_ali_modem_playback_open(struct snd_pcm_substream *substream)
1578 return snd_ali_modem_open(substream, 0, ALI_MODEM_OUT_CHANNEL);
1581 static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
1583 return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
1586 static const struct snd_pcm_ops snd_ali_modem_playback_ops = {
1587 .open = snd_ali_modem_playback_open,
1588 .close = snd_ali_close,
1589 .hw_params = snd_ali_modem_hw_params,
1590 .prepare = snd_ali_prepare,
1591 .trigger = snd_ali_trigger,
1592 .pointer = snd_ali_pointer,
1595 static const struct snd_pcm_ops snd_ali_modem_capture_ops = {
1596 .open = snd_ali_modem_capture_open,
1597 .close = snd_ali_close,
1598 .hw_params = snd_ali_modem_hw_params,
1599 .prepare = snd_ali_prepare,
1600 .trigger = snd_ali_trigger,
1601 .pointer = snd_ali_pointer,
1605 struct ali_pcm_description {
1607 unsigned int playback_num;
1608 unsigned int capture_num;
1609 const struct snd_pcm_ops *playback_ops;
1610 const struct snd_pcm_ops *capture_ops;
1611 unsigned short class;
1615 static void snd_ali_pcm_free(struct snd_pcm *pcm)
1617 struct snd_ali *codec = pcm->private_data;
1618 codec->pcm[pcm->device] = NULL;
1622 static int snd_ali_pcm(struct snd_ali *codec, int device,
1623 struct ali_pcm_description *desc)
1625 struct snd_pcm *pcm;
1628 err = snd_pcm_new(codec->card, desc->name, device,
1629 desc->playback_num, desc->capture_num, &pcm);
1631 dev_err(codec->card->dev,
1632 "snd_ali_pcm: err called snd_pcm_new.\n");
1635 pcm->private_data = codec;
1636 pcm->private_free = snd_ali_pcm_free;
1637 if (desc->playback_ops)
1638 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
1639 desc->playback_ops);
1640 if (desc->capture_ops)
1641 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
1644 snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1645 &codec->pci->dev, 64*1024, 128*1024);
1647 pcm->info_flags = 0;
1648 pcm->dev_class = desc->class;
1649 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1650 strcpy(pcm->name, desc->name);
1651 codec->pcm[0] = pcm;
1655 static struct ali_pcm_description ali_pcms[] = {
1656 { .name = "ALI 5451",
1657 .playback_num = ALI_CHANNELS,
1659 .playback_ops = &snd_ali_playback_ops,
1660 .capture_ops = &snd_ali_capture_ops
1662 { .name = "ALI 5451 modem",
1665 .playback_ops = &snd_ali_modem_playback_ops,
1666 .capture_ops = &snd_ali_modem_capture_ops,
1667 .class = SNDRV_PCM_CLASS_MODEM
1671 static int snd_ali_build_pcms(struct snd_ali *codec)
1674 for (i = 0; i < codec->num_of_codecs && i < ARRAY_SIZE(ali_pcms); i++) {
1675 err = snd_ali_pcm(codec, i, &ali_pcms[i]);
1683 #define ALI5451_SPDIF(xname, xindex, value) \
1684 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1685 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1686 .put = snd_ali5451_spdif_put, .private_value = value}
1688 #define snd_ali5451_spdif_info snd_ctl_boolean_mono_info
1690 static int snd_ali5451_spdif_get(struct snd_kcontrol *kcontrol,
1691 struct snd_ctl_elem_value *ucontrol)
1693 struct snd_ali *codec = kcontrol->private_data;
1694 unsigned int spdif_enable;
1696 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1698 spin_lock_irq(&codec->reg_lock);
1699 switch (kcontrol->private_value) {
1701 spdif_enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1704 spdif_enable = ((codec->spdif_mask & 0x02) &&
1705 (codec->spdif_mask & 0x04)) ? 1 : 0;
1708 spdif_enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1713 ucontrol->value.integer.value[0] = spdif_enable;
1714 spin_unlock_irq(&codec->reg_lock);
1718 static int snd_ali5451_spdif_put(struct snd_kcontrol *kcontrol,
1719 struct snd_ctl_elem_value *ucontrol)
1721 struct snd_ali *codec = kcontrol->private_data;
1722 unsigned int change = 0, spdif_enable = 0;
1724 spdif_enable = ucontrol->value.integer.value[0] ? 1 : 0;
1726 spin_lock_irq(&codec->reg_lock);
1727 switch (kcontrol->private_value) {
1729 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1730 change = change ^ spdif_enable;
1733 codec->spdif_mask |= 0x02;
1734 snd_ali_enable_spdif_out(codec);
1736 codec->spdif_mask &= ~(0x02);
1737 codec->spdif_mask &= ~(0x04);
1738 snd_ali_disable_spdif_out(codec);
1743 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1744 change = change ^ spdif_enable;
1745 if (change && (codec->spdif_mask & 0x02)) {
1747 codec->spdif_mask |= 0x04;
1748 snd_ali_enable_spdif_chnout(codec);
1750 codec->spdif_mask &= ~(0x04);
1751 snd_ali_disable_spdif_chnout(codec);
1756 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1757 change = change ^ spdif_enable;
1760 codec->spdif_mask |= 0x01;
1761 snd_ali_enable_spdif_in(codec);
1763 codec->spdif_mask &= ~(0x01);
1764 snd_ali_disable_spdif_in(codec);
1771 spin_unlock_irq(&codec->reg_lock);
1776 static const struct snd_kcontrol_new snd_ali5451_mixer_spdif[] = {
1777 /* spdif aplayback switch */
1778 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1779 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Output ",NONE,SWITCH), 0, 0),
1780 /* spdif out to spdif channel */
1781 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("Channel Output ",NONE,SWITCH), 0, 1),
1782 /* spdif in from spdif channel */
1783 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1786 static int snd_ali_mixer(struct snd_ali *codec)
1788 struct snd_ac97_template ac97;
1791 static const struct snd_ac97_bus_ops ops = {
1792 .write = snd_ali_codec_write,
1793 .read = snd_ali_codec_read,
1796 err = snd_ac97_bus(codec->card, 0, &ops, codec, &codec->ac97_bus);
1800 memset(&ac97, 0, sizeof(ac97));
1801 ac97.private_data = codec;
1803 for (i = 0; i < codec->num_of_codecs; i++) {
1805 err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97[i]);
1807 dev_err(codec->card->dev,
1808 "ali mixer %d creating error.\n", i);
1811 codec->num_of_codecs = 1;
1816 if (codec->spdif_support) {
1817 for (idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1818 err = snd_ctl_add(codec->card,
1819 snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1827 #ifdef CONFIG_PM_SLEEP
1828 static int ali_suspend(struct device *dev)
1830 struct snd_card *card = dev_get_drvdata(dev);
1831 struct snd_ali *chip = card->private_data;
1832 struct snd_ali_image *im;
1839 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
1840 for (i = 0; i < chip->num_of_codecs; i++)
1841 snd_ac97_suspend(chip->ac97[i]);
1843 spin_lock_irq(&chip->reg_lock);
1845 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1846 /* im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START)); */
1847 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1849 /* disable all IRQ bits */
1850 outl(0, ALI_REG(chip, ALI_MISCINT));
1852 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1853 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1855 im->regs[i] = inl(ALI_REG(chip, i*4));
1858 for (i = 0; i < ALI_CHANNELS; i++) {
1859 outb(i, ALI_REG(chip, ALI_GC_CIR));
1860 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1861 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1864 /* stop all HW channel */
1865 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1867 spin_unlock_irq(&chip->reg_lock);
1871 static int ali_resume(struct device *dev)
1873 struct snd_card *card = dev_get_drvdata(dev);
1874 struct snd_ali *chip = card->private_data;
1875 struct snd_ali_image *im;
1882 spin_lock_irq(&chip->reg_lock);
1884 for (i = 0; i < ALI_CHANNELS; i++) {
1885 outb(i, ALI_REG(chip, ALI_GC_CIR));
1886 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1887 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1890 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1891 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) ||
1894 outl(im->regs[i], ALI_REG(chip, i*4));
1897 /* start HW channel */
1898 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1899 /* restore IRQ enable bits */
1900 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1902 spin_unlock_irq(&chip->reg_lock);
1904 for (i = 0 ; i < chip->num_of_codecs; i++)
1905 snd_ac97_resume(chip->ac97[i]);
1907 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
1911 static SIMPLE_DEV_PM_OPS(ali_pm, ali_suspend, ali_resume);
1912 #define ALI_PM_OPS &ali_pm
1914 #define ALI_PM_OPS NULL
1915 #endif /* CONFIG_PM_SLEEP */
1917 static int snd_ali_free(struct snd_ali * codec)
1919 if (codec->hw_initialized)
1920 snd_ali_disable_address_interrupt(codec);
1921 if (codec->irq >= 0)
1922 free_irq(codec->irq, codec);
1924 pci_release_regions(codec->pci);
1925 pci_disable_device(codec->pci);
1926 #ifdef CONFIG_PM_SLEEP
1927 kfree(codec->image);
1929 pci_dev_put(codec->pci_m1533);
1930 pci_dev_put(codec->pci_m7101);
1935 static int snd_ali_chip_init(struct snd_ali *codec)
1937 unsigned int legacy;
1939 struct pci_dev *pci_dev;
1941 dev_dbg(codec->card->dev, "chip initializing ...\n");
1943 if (snd_ali_reset_5451(codec)) {
1944 dev_err(codec->card->dev, "ali_chip_init: reset 5451 error.\n");
1948 if (codec->revision == ALI_5451_V02) {
1949 pci_dev = codec->pci_m1533;
1950 pci_read_config_byte(pci_dev, 0x59, &temp);
1952 pci_write_config_byte(pci_dev, 0x59, temp);
1954 pci_dev = codec->pci_m7101;
1955 pci_read_config_byte(pci_dev, 0xb8, &temp);
1957 pci_write_config_byte(pci_dev, 0xB8, temp);
1960 pci_read_config_dword(codec->pci, 0x44, &legacy);
1961 legacy &= 0xff00ff00;
1962 legacy |= 0x000800aa;
1963 pci_write_config_dword(codec->pci, 0x44, legacy);
1965 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
1966 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
1967 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
1968 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
1969 outb(0x10, ALI_REG(codec, ALI_MPUR2));
1971 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
1972 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0,
1973 AC97_EXTENDED_STATUS);
1974 if (codec->spdif_support) {
1975 snd_ali_enable_spdif_out(codec);
1976 codec->spdif_mask = 0x00000002;
1979 codec->num_of_codecs = 1;
1981 /* secondary codec - modem */
1982 if (inl(ALI_REG(codec, ALI_SCTRL)) & ALI_SCTRL_CODEC2_READY) {
1983 codec->num_of_codecs++;
1984 outl(inl(ALI_REG(codec, ALI_SCTRL)) |
1985 (ALI_SCTRL_LINE_IN2 | ALI_SCTRL_GPIO_IN2 |
1986 ALI_SCTRL_LINE_OUT_EN),
1987 ALI_REG(codec, ALI_SCTRL));
1990 dev_dbg(codec->card->dev, "chip initialize succeed.\n");
1995 /* proc for register dump */
1996 static void snd_ali_proc_read(struct snd_info_entry *entry,
1997 struct snd_info_buffer *buf)
1999 struct snd_ali *codec = entry->private_data;
2001 for (i = 0; i < 256 ; i+= 4)
2002 snd_iprintf(buf, "%02x: %08x\n", i, inl(ALI_REG(codec, i)));
2005 static void snd_ali_proc_init(struct snd_ali *codec)
2007 snd_card_ro_proc_new(codec->card, "ali5451", codec, snd_ali_proc_read);
2010 static int snd_ali_resources(struct snd_ali *codec)
2014 dev_dbg(codec->card->dev, "resources allocation ...\n");
2015 err = pci_request_regions(codec->pci, "ALI 5451");
2018 codec->port = pci_resource_start(codec->pci, 0);
2020 if (request_irq(codec->pci->irq, snd_ali_card_interrupt,
2021 IRQF_SHARED, KBUILD_MODNAME, codec)) {
2022 dev_err(codec->card->dev, "Unable to request irq.\n");
2025 codec->irq = codec->pci->irq;
2026 codec->card->sync_irq = codec->irq;
2027 dev_dbg(codec->card->dev, "resources allocated.\n");
2030 static int snd_ali_dev_free(struct snd_device *device)
2032 struct snd_ali *codec = device->device_data;
2033 snd_ali_free(codec);
2037 static int snd_ali_create(struct snd_card *card,
2038 struct pci_dev *pci,
2041 struct snd_ali **r_ali)
2043 struct snd_ali *codec;
2045 unsigned short cmdw;
2046 static const struct snd_device_ops ops = {
2047 .dev_free = snd_ali_dev_free,
2052 dev_dbg(card->dev, "creating ...\n");
2054 /* enable PCI device */
2055 err = pci_enable_device(pci);
2058 /* check, if we can restrict PCI DMA transfers to 31 bits */
2059 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31))) {
2061 "architecture does not support 31bit PCI busmaster DMA\n");
2062 pci_disable_device(pci);
2066 codec = kzalloc(sizeof(*codec), GFP_KERNEL);
2068 pci_disable_device(pci);
2072 spin_lock_init(&codec->reg_lock);
2073 spin_lock_init(&codec->voice_alloc);
2078 codec->revision = pci->revision;
2079 codec->spdif_support = spdif_support;
2081 if (pcm_streams < 1)
2083 if (pcm_streams > 32)
2086 pci_set_master(pci);
2087 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2088 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2089 cmdw |= PCI_COMMAND_IO;
2090 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2092 pci_set_master(pci);
2094 if (snd_ali_resources(codec)) {
2095 snd_ali_free(codec);
2099 codec->synth.chmap = 0;
2100 codec->synth.chcnt = 0;
2101 codec->spdif_mask = 0;
2102 codec->synth.synthcount = 0;
2104 if (codec->revision == ALI_5451_V02)
2105 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2107 codec->chregs.regs.ac97read = ALI_AC97_READ;
2108 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2110 codec->chregs.regs.start = ALI_START;
2111 codec->chregs.regs.stop = ALI_STOP;
2112 codec->chregs.regs.aint = ALI_AINT;
2113 codec->chregs.regs.ainten = ALI_AINTEN;
2115 codec->chregs.data.start = 0x00;
2116 codec->chregs.data.stop = 0x00;
2117 codec->chregs.data.aint = 0x00;
2118 codec->chregs.data.ainten = 0x00;
2120 /* M1533: southbridge */
2121 codec->pci_m1533 = pci_get_device(0x10b9, 0x1533, NULL);
2122 if (!codec->pci_m1533) {
2123 dev_err(card->dev, "cannot find ALi 1533 chip.\n");
2124 snd_ali_free(codec);
2127 /* M7101: power management */
2128 codec->pci_m7101 = pci_get_device(0x10b9, 0x7101, NULL);
2129 if (!codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2130 dev_err(card->dev, "cannot find ALi 7101 chip.\n");
2131 snd_ali_free(codec);
2135 dev_dbg(card->dev, "snd_device_new is called.\n");
2136 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops);
2138 snd_ali_free(codec);
2142 /* initialise synth voices*/
2143 for (i = 0; i < ALI_CHANNELS; i++)
2144 codec->synth.voices[i].number = i;
2146 err = snd_ali_chip_init(codec);
2148 dev_err(card->dev, "ali create: chip init error.\n");
2152 #ifdef CONFIG_PM_SLEEP
2153 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2155 dev_warn(card->dev, "can't allocate apm buffer\n");
2158 snd_ali_enable_address_interrupt(codec);
2159 codec->hw_initialized = 1;
2162 dev_dbg(card->dev, "created.\n");
2166 static int snd_ali_probe(struct pci_dev *pci,
2167 const struct pci_device_id *pci_id)
2169 struct snd_card *card;
2170 struct snd_ali *codec;
2173 dev_dbg(&pci->dev, "probe ...\n");
2175 err = snd_card_new(&pci->dev, index, id, THIS_MODULE, 0, &card);
2179 err = snd_ali_create(card, pci, pcm_channels, spdif, &codec);
2182 card->private_data = codec;
2184 dev_dbg(&pci->dev, "mixer building ...\n");
2185 err = snd_ali_mixer(codec);
2189 dev_dbg(&pci->dev, "pcm building ...\n");
2190 err = snd_ali_build_pcms(codec);
2194 snd_ali_proc_init(codec);
2196 strcpy(card->driver, "ALI5451");
2197 strcpy(card->shortname, "ALI 5451");
2199 sprintf(card->longname, "%s at 0x%lx, irq %i",
2200 card->shortname, codec->port, codec->irq);
2202 dev_dbg(&pci->dev, "register card.\n");
2203 err = snd_card_register(card);
2207 pci_set_drvdata(pci, card);
2211 snd_card_free(card);
2215 static void snd_ali_remove(struct pci_dev *pci)
2217 snd_card_free(pci_get_drvdata(pci));
2220 static struct pci_driver ali5451_driver = {
2221 .name = KBUILD_MODNAME,
2222 .id_table = snd_ali_ids,
2223 .probe = snd_ali_probe,
2224 .remove = snd_ali_remove,
2230 module_pci_driver(ali5451_driver);