2 * Matt Wu <Matt_Wu@acersoftech.com.cn>
4 * Routines for control of ALi pci audio M5451
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public Lcodecnse as published by
14 * the Free Software Foundation; either version 2 of the Lcodecnse, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public Lcodecnse for more details.
22 * You should have received a copy of the GNU General Public Lcodecnse
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #include <sound/driver.h>
30 #include <linux/delay.h>
31 #include <linux/interrupt.h>
32 #include <linux/init.h>
33 #include <linux/pci.h>
34 #include <linux/slab.h>
35 #include <linux/moduleparam.h>
36 #include <sound/core.h>
37 #include <sound/pcm.h>
38 #include <sound/info.h>
39 #include <sound/ac97_codec.h>
40 #include <sound/mpu401.h>
41 #include <sound/initval.h>
43 MODULE_AUTHOR("Matt Wu <Matt_Wu@acersoftech.com.cn>");
44 MODULE_DESCRIPTION("ALI M5451");
45 MODULE_LICENSE("GPL");
46 MODULE_CLASSES("{sound}");
47 MODULE_DEVICES("{{ALI,M5451,pci},{ALI,M5451}}");
49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
52 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32};
53 static int spdif[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0};
56 module_param_array(index, int, boot_devs, 0444);
57 MODULE_PARM_DESC(index, "Index value for ALI M5451 PCI Audio.");
58 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
59 module_param_array(id, charp, boot_devs, 0444);
60 MODULE_PARM_DESC(id, "ID string for ALI M5451 PCI Audio.");
61 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
62 module_param_array(enable, bool, boot_devs, 0444);
63 MODULE_PARM_DESC(enable, "Enable ALI 5451 PCI Audio.");
64 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
65 module_param_array(pcm_channels, int, boot_devs, 0444);
66 MODULE_PARM_DESC(pcm_channels, "PCM Channels");
67 MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",default:32,allows:{{1,32}}");
68 module_param_array(spdif, bool, boot_devs, 0444);
69 MODULE_PARM_DESC(spdif, "Support SPDIF I/O");
70 MODULE_PARM_SYNTAX(spdif, SNDRV_ENABLED "," SNDRV_BOOLEAN_FALSE_DESC);
73 * Debug part definitions
79 #define snd_ali_printk(format, args...) printk(format, ##args);
81 #define snd_ali_printk(format, args...)
85 * Constants definition
88 #ifndef PCI_VENDOR_ID_ALI
89 #define PCI_VENDOR_ID_ALI 0x10b9
92 #ifndef PCI_DEVICE_ID_ALI_5451
93 #define PCI_DEVICE_ID_ALI_5451 0x5451
96 #define DEVICE_ID_ALI5451 ((PCI_VENDOR_ID_ALI<<16)|PCI_DEVICE_ID_ALI_5451)
99 #define ALI_CHANNELS 32
101 #define ALI_PCM_IN_CHANNEL 31
102 #define ALI_SPDIF_IN_CHANNEL 19
103 #define ALI_SPDIF_OUT_CHANNEL 15
104 #define ALI_CENTER_CHANNEL 24
105 #define ALI_LEF_CHANNEL 23
106 #define ALI_SURR_LEFT_CHANNEL 26
107 #define ALI_SURR_RIGHT_CHANNEL 25
109 #define SNDRV_ALI_VOICE_TYPE_PCM 01
110 #define SNDRV_ALI_VOICE_TYPE_OTH 02
112 #define ALI_5451_V02 0x02
118 #define ALI_LEGACY_DMAR0 0x00 // ADR0
119 #define ALI_LEGACY_DMAR4 0x04 // CNT0
120 #define ALI_LEGACY_DMAR11 0x0b // MOD
121 #define ALI_LEGACY_DMAR15 0x0f // MMR
122 #define ALI_MPUR0 0x20
123 #define ALI_MPUR1 0x21
124 #define ALI_MPUR2 0x22
125 #define ALI_MPUR3 0x23
127 #define ALI_AC97_WRITE 0x40
128 #define ALI_AC97_READ 0x44
130 #define ALI_SCTRL 0x48
131 #define ALI_SPDIF_OUT_ENABLE 0x20
132 #define ALI_AC97_GPIO 0x4c
133 #define ALI_SPDIF_CS 0x70
134 #define ALI_SPDIF_CTRL 0x74
135 #define ALI_SPDIF_IN_FUNC_ENABLE 0x02
136 #define ALI_SPDIF_IN_CH_STATUS 0x40
137 #define ALI_SPDIF_OUT_CH_STATUS 0xbf
138 #define ALI_START 0x80
139 #define ALI_STOP 0x84
140 #define ALI_CSPF 0x90
141 #define ALI_AINT 0x98
142 #define ALI_GC_CIR 0xa0
143 #define ENDLP_IE 0x00001000
144 #define MIDLP_IE 0x00002000
145 #define ALI_AINTEN 0xa4
146 #define ALI_VOLUME 0xa8
147 #define ALI_SBDELTA_DELTA_R 0xac
148 #define ALI_MISCINT 0xb0
149 #define ADDRESS_IRQ 0x00000020
150 #define TARGET_REACHED 0x00008000
151 #define MIXER_OVERFLOW 0x00000800
152 #define MIXER_UNDERFLOW 0x00000400
153 #define ALI_SBBL_SBCL 0xc0
154 #define ALI_SBCTRL_SBE2R_SBDD 0xc4
155 #define ALI_STIMER 0xc8
156 #define ALI_GLOBAL_CONTROL 0xd4
157 #define ALI_SPDIF_OUT_SEL_PCM 0x00000400 /* bit 10 */
158 #define ALI_SPDIF_IN_SUPPORT 0x00000800 /* bit 11 */
159 #define ALI_SPDIF_OUT_CH_ENABLE 0x00008000 /* bit 15 */
160 #define ALI_SPDIF_IN_CH_ENABLE 0x00080000 /* bit 19 */
161 #define ALI_PCM_IN_ENABLE 0x80000000 /* bit 31 */
163 #define ALI_CSO_ALPHA_FMS 0xe0
165 #define ALI_ESO_DELTA 0xe8
166 #define ALI_GVSEL_PAN_VOC_CTRL_EC 0xf0
167 #define ALI_EBUF1 0xf4
168 #define ALI_EBUF2 0xf8
170 #define ALI_REG(codec, x) ((codec)->port + x)
172 typedef struct snd_stru_ali ali_t;
173 typedef struct snd_ali_stru_voice snd_ali_voice_t;
176 typedef struct snd_ali_channel_control {
185 // register addresses
191 unsigned int ac97read;
192 unsigned int ac97write;
195 } snd_ali_channel_control_t;
197 struct snd_ali_stru_voice {
207 snd_pcm_substream_t *substream;
208 snd_ali_voice_t *extra;
212 int eso; /* final ESO value for channel */
213 int count; /* runtime->period_size */
218 void (*private_free)(void *private_data);
222 typedef struct snd_stru_alidev {
224 snd_ali_voice_t voices[ALI_CHANNELS];
226 unsigned int chcnt; /* num of opened channels */
227 unsigned int chmap; /* bitmap for opened channels */
228 unsigned int synthcount;
234 #define ALI_GLOBAL_REGS 56
235 #define ALI_CHANNEL_REGS 8
236 typedef struct snd_ali_image {
237 unsigned long regs[ALI_GLOBAL_REGS];
238 unsigned long channel_regs[ALI_CHANNELS][ALI_CHANNEL_REGS];
243 struct snd_stru_ali {
246 unsigned char revision;
248 unsigned int hw_initialized: 1;
249 unsigned int spdif_support: 1;
250 struct resource *res_port;
253 struct pci_dev *pci_m1533;
254 struct pci_dev *pci_m7101;
259 snd_ali_channel_control_t chregs;
262 unsigned int spdif_mask;
264 unsigned int spurious_irq_count;
265 unsigned int spurious_irq_max_delta;
267 ac97_bus_t *ac97_bus;
269 unsigned short ac97_ext_id;
270 unsigned short ac97_ext_status;
273 spinlock_t voice_alloc;
280 static struct pci_device_id snd_ali_ids[] = {
281 {0x10b9, 0x5451, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, },
284 MODULE_DEVICE_TABLE(pci, snd_ali_ids);
286 static void snd_ali_clear_voices(ali_t *, unsigned int, unsigned int);
287 static unsigned short snd_ali_codec_peek(ali_t *, int, unsigned short);
288 static void snd_ali_codec_poke(ali_t *, int, unsigned short, unsigned short);
296 static void ali_read_regs(ali_t *codec, int channel)
301 printk("channel %d registers map:\n", channel);
302 outb((unsigned char)(channel & 0x001f), ALI_REG(codec,ALI_GC_CIR));
306 printk("%2.2x ", j*4);
309 for (i=0; i<=0xf8/4;i++) {
311 printk("%2.2x ", (i*4/0x10)*0x10);
312 dwVal = inl(ALI_REG(codec,i*4));
313 printk("%8.8x ", dwVal);
319 static void ali_read_cfg(unsigned int vendor, unsigned deviceid)
322 struct pci_dev *pci_dev = NULL;
326 pci_dev = pci_find_device(vendor, deviceid, pci_dev);
330 printk("\nM%x PCI CFG\n", deviceid);
340 pci_read_config_dword(pci_dev, i*0x20+j*4, &dwVal);
341 printk("%8.8x ", dwVal);
346 static void ali_read_ac97regs(ali_t *codec, int secondary)
351 printk("\ncodec %d registers map:\n", secondary);
355 printk("%2.2x ",j*2);
358 for (i=0; i<64;i++) {
360 printk("%2.2x ", (i/8)*0x10);
361 wVal = snd_ali_codec_peek(codec, secondary, i*2);
362 printk("%4.4x ", wVal);
375 static inline unsigned int snd_ali_5451_peek(ali_t *codec,
378 return (unsigned int)inl(ALI_REG(codec, port));
381 static inline void snd_ali_5451_poke( ali_t *codec,
385 outl((unsigned int)val, ALI_REG(codec, port));
388 static int snd_ali_codec_ready( ali_t *codec,
392 unsigned long end_time;
395 end_time = jiffies + 10 * (HZ >> 2);
397 res = snd_ali_5451_peek(codec,port);
398 if (! (res & 0x8000))
401 set_current_state(TASK_UNINTERRUPTIBLE);
404 } while (time_after_eq(end_time, jiffies));
405 snd_ali_5451_poke(codec, port, res & ~0x8000);
406 snd_printdd("ali_codec_ready: codec is not ready.\n ");
410 static int snd_ali_stimer_ready(ali_t *codec, int sched)
412 unsigned long end_time;
413 unsigned long dwChk1,dwChk2;
415 dwChk1 = snd_ali_5451_peek(codec, ALI_STIMER);
416 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
418 end_time = jiffies + 10 * (HZ >> 2);
420 dwChk2 = snd_ali_5451_peek(codec, ALI_STIMER);
421 if (dwChk2 != dwChk1)
424 set_current_state(TASK_UNINTERRUPTIBLE);
427 } while (time_after_eq(end_time, jiffies));
428 snd_printk("ali_stimer_read: stimer is not ready.\n");
432 static void snd_ali_codec_poke(ali_t *codec,int secondary,
436 unsigned int dwVal = 0;
437 unsigned int port = 0;
440 snd_printk("ali_codec_poke: reg(%xh) invalid.\n", reg);
444 port = codec->chregs.regs.ac97write;
446 if (snd_ali_codec_ready(codec, port, 0) < 0)
448 if (snd_ali_stimer_ready(codec, 0) < 0)
451 dwVal = (unsigned int) (reg & 0xff);
452 dwVal |= 0x8000 | (val << 16);
453 if (secondary) dwVal |= 0x0080;
454 if (codec->revision == ALI_5451_V02) dwVal |= 0x0100;
456 snd_ali_5451_poke(codec,port,dwVal);
461 static unsigned short snd_ali_codec_peek( ali_t *codec,
465 unsigned int dwVal = 0;
466 unsigned int port = 0;
469 snd_printk("ali_codec_peek: reg(%xh) invalid.\n", reg);
473 port = codec->chregs.regs.ac97read;
475 if (snd_ali_codec_ready(codec, port, 0) < 0)
477 if (snd_ali_stimer_ready(codec, 0) < 0)
480 dwVal = (unsigned int) (reg & 0xff);
481 dwVal |= 0x8000; /* bit 15*/
482 if (secondary) dwVal |= 0x0080;
484 snd_ali_5451_poke(codec, port, dwVal);
486 if (snd_ali_stimer_ready(codec, 0) < 0)
488 if (snd_ali_codec_ready(codec, port, 0) < 0)
491 return (snd_ali_5451_peek(codec, port) & 0xffff0000)>>16;
494 static void snd_ali_codec_write(ac97_t *ac97,
498 ali_t *codec = snd_magic_cast(ali_t, ac97->private_data, return);
500 snd_ali_printk("codec_write: reg=%xh data=%xh.\n", reg, val);
501 snd_ali_codec_poke(codec, 0, reg, val);
506 static unsigned short snd_ali_codec_read(ac97_t *ac97, unsigned short reg)
508 ali_t *codec = snd_magic_cast(ali_t, ac97->private_data, return -ENXIO);
510 snd_ali_printk("codec_read reg=%xh.\n", reg);
511 return (snd_ali_codec_peek(codec, 0, reg));
518 static int snd_ali_reset_5451(ali_t *codec)
520 struct pci_dev *pci_dev = NULL;
521 unsigned short wCount, wReg;
524 if ((pci_dev = codec->pci_m1533) != NULL) {
525 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
526 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
528 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
529 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
533 pci_dev = codec->pci;
534 pci_read_config_dword(pci_dev, 0x44, &dwVal);
535 pci_write_config_dword(pci_dev, 0x44, dwVal | 0x000c0000);
537 pci_read_config_dword(pci_dev, 0x44, &dwVal);
538 pci_write_config_dword(pci_dev, 0x44, dwVal & 0xfffbffff);
543 wReg = snd_ali_codec_peek(codec, 0, AC97_POWERDOWN);
544 if((wReg & 0x000f) == 0x000f)
549 /* non-fatal if you have a non PM capable codec */
550 /* snd_printk(KERN_WARNING "ali5451: reset time out\n"); */
556 static int snd_ali_reset_codec(ali_t *codec)
558 struct pci_dev *pci_dev = NULL;
559 unsigned char bVal = 0;
561 unsigned short wCount, wReg;
563 pci_dev = codec->pci_m1533;
565 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
566 pci_write_config_dword(pci_dev, 0x7c, dwVal | 0x08000000);
568 pci_read_config_dword(pci_dev, 0x7c, &dwVal);
569 pci_write_config_dword(pci_dev, 0x7c, dwVal & 0xf7ffffff);
572 bVal = inb(ALI_REG(codec,ALI_SCTRL));
574 outb(ALI_REG(codec,ALI_SCTRL),bVal);
576 bVal = inb(ALI_REG(codec,ALI_SCTRL));
578 outb(ALI_REG(codec,ALI_SCTRL),bVal);
583 wReg = snd_ali_codec_read(codec->ac97, AC97_POWERDOWN);
584 if((wReg & 0x000f) == 0x000f)
594 * ALI 5451 Controller
597 static void snd_ali_enable_special_channel(ali_t *codec, unsigned int channel)
599 unsigned long dwVal = 0;
601 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL));
602 dwVal |= 1 << (channel & 0x0000001f);
603 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL));
606 static void snd_ali_disable_special_channel(ali_t *codec, unsigned int channel)
608 unsigned long dwVal = 0;
610 dwVal = inl(ALI_REG(codec,ALI_GLOBAL_CONTROL));
611 dwVal &= ~(1 << (channel & 0x0000001f));
612 outl(dwVal, ALI_REG(codec,ALI_GLOBAL_CONTROL));
615 static void snd_ali_enable_address_interrupt(ali_t * codec)
619 gc = inl(ALI_REG(codec, ALI_GC_CIR));
622 outl( gc, ALI_REG(codec, ALI_GC_CIR));
625 static void snd_ali_disable_address_interrupt(ali_t * codec)
629 gc = inl(ALI_REG(codec, ALI_GC_CIR));
632 outl(gc, ALI_REG(codec, ALI_GC_CIR));
636 static void snd_ali_enable_voice_irq(ali_t *codec, unsigned int channel)
639 snd_ali_channel_control_t *pchregs = &(codec->chregs);
641 snd_ali_printk("enable_voice_irq channel=%d\n",channel);
643 mask = 1 << (channel & 0x1f);
644 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten));
645 pchregs->data.ainten |= mask;
646 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten));
650 static void snd_ali_disable_voice_irq(ali_t *codec, unsigned int channel)
653 snd_ali_channel_control_t *pchregs = &(codec->chregs);
655 snd_ali_printk("disable_voice_irq channel=%d\n",channel);
657 mask = 1 << (channel & 0x1f);
658 pchregs->data.ainten = inl(ALI_REG(codec,pchregs->regs.ainten));
659 pchregs->data.ainten &= ~mask;
660 outl(pchregs->data.ainten,ALI_REG(codec,pchregs->regs.ainten));
663 static int snd_ali_alloc_pcm_channel(ali_t *codec, int channel)
665 unsigned int idx = channel & 0x1f;
667 if (codec->synth.chcnt >= ALI_CHANNELS){
668 snd_printk("ali_alloc_pcm_channel: no free channels.\n");
672 if (!(codec->synth.chmap & (1 << idx))) {
673 codec->synth.chmap |= 1 << idx;
674 codec->synth.chcnt++;
675 snd_ali_printk("alloc_pcm_channel no. %d.\n",idx);
681 static int snd_ali_find_free_channel(ali_t * codec, int rec)
686 snd_ali_printk("find_free_channel: for %s\n",rec ? "rec" : "pcm");
690 if (codec->spdif_support &&
691 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_IN_SUPPORT))
692 idx = ALI_SPDIF_IN_CHANNEL;
694 idx = ALI_PCM_IN_CHANNEL;
696 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) {
699 snd_printk("ali_find_free_channel: record channel is busy now.\n");
705 if (codec->spdif_support &&
706 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)) {
707 idx = ALI_SPDIF_OUT_CHANNEL;
708 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0) {
711 snd_printk("ali_find_free_channel: S/PDIF out channel is in busy now.\n");
715 for (idx = 0; idx < ALI_CHANNELS; idx++) {
716 if ((result = snd_ali_alloc_pcm_channel(codec,idx)) >= 0)
719 snd_printk("ali_find_free_channel: no free channels.\n");
723 static void snd_ali_free_channel_pcm(ali_t *codec, int channel)
725 unsigned int idx = channel & 0x0000001f;
727 snd_ali_printk("free_channel_pcm channel=%d\n",channel);
729 if (channel < 0 || channel >= ALI_CHANNELS)
732 if (!(codec->synth.chmap & (1 << idx))) {
733 snd_printk("ali_free_channel_pcm: channel %d is not in use.\n",channel);
736 codec->synth.chmap &= ~(1 << idx);
737 codec->synth.chcnt--;
742 static void snd_ali_start_voice(ali_t * codec, unsigned int channel)
744 unsigned int mask = 1 << (channel & 0x1f);
746 snd_ali_printk("start_voice: channel=%d\n",channel);
747 outl(mask, ALI_REG(codec,codec->chregs.regs.start));
751 static void snd_ali_stop_voice(ali_t * codec, unsigned int channel)
753 unsigned int mask = 1 << (channel & 0x1f);
755 snd_ali_printk("stop_voice: channel=%d\n",channel);
756 outl(mask, ALI_REG(codec, codec->chregs.regs.stop));
763 static void snd_ali_delay(ali_t *codec,int interval)
765 unsigned long begintimer,currenttimer;
767 begintimer = inl(ALI_REG(codec, ALI_STIMER));
768 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
770 while (currenttimer < begintimer + interval) {
771 if(snd_ali_stimer_ready(codec, 1) < 0)
773 currenttimer = inl(ALI_REG(codec, ALI_STIMER));
777 static void snd_ali_detect_spdif_rate(ali_t *codec)
781 u8 bval = 0, R1 = 0, R2 = 0;
783 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
785 outb(bval,ALI_REG(codec,ALI_SPDIF_CTRL + 1));
787 while (((R1 < 0x0B )||(R1 > 0x0E)) && (R1 != 0x12) && count <= 50000) {
789 snd_ali_delay(codec, 6);
790 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
795 snd_printk("ali_detect_spdif_rate: timeout!\n");
800 while (count++ <= 50000) {
801 snd_ali_delay(codec, 6);
802 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL + 1));
804 if (R2 != R1) R1 = R2; else break;
808 snd_printk("ali_detect_spdif_rate: timeout!\n");
812 if (R2 >= 0x0b && R2 <= 0x0e) {
813 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2));
815 wval |= (u16)0x09 << 8 | (u16)0x05;
816 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2));
818 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0;
819 outb(bval|0x02,ALI_REG(codec,ALI_SPDIF_CS + 3));
820 } else if (R2 == 0x12) {
821 wval = inw(ALI_REG(codec,ALI_SPDIF_CTRL + 2));
823 wval |= (u16)0x0E << 8 | (u16)0x08;
824 outw(wval,ALI_REG(codec,ALI_SPDIF_CTRL + 2));
826 bval = inb(ALI_REG(codec,ALI_SPDIF_CS +3)) & 0xF0;
827 outb(bval|0x03,ALI_REG(codec,ALI_SPDIF_CS + 3));
831 static unsigned int snd_ali_get_spdif_in_rate(ali_t *codec)
836 bval = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
839 outb(bval, ALI_REG(codec,ALI_SPDIF_CTRL));
841 snd_ali_detect_spdif_rate(codec);
843 bval = inb(ALI_REG(codec,ALI_SPDIF_CS + 3));
846 if (bval == 0) dwRate = 44100;
847 if (bval == 1) dwRate = 48000;
848 if (bval == 2) dwRate = 32000;
853 static void snd_ali_enable_spdif_in(ali_t *codec)
857 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
858 dwVal |= ALI_SPDIF_IN_SUPPORT;
859 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
861 dwVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
863 outb(dwVal, ALI_REG(codec, ALI_SPDIF_CTRL));
865 snd_ali_enable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
868 static void snd_ali_disable_spdif_in(ali_t *codec)
872 dwVal = inl(ALI_REG(codec, ALI_GLOBAL_CONTROL));
873 dwVal &= ~ALI_SPDIF_IN_SUPPORT;
874 outl(dwVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
876 snd_ali_disable_special_channel(codec, ALI_SPDIF_IN_CHANNEL);
880 static void snd_ali_set_spdif_out_rate(ali_t *codec, unsigned int rate)
883 unsigned int dwRate = 0;
885 if (rate == 32000) dwRate = 0x300;
886 if (rate == 44100) dwRate = 0;
887 if (rate == 48000) dwRate = 0x200;
889 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
890 bVal &= (unsigned char)(~(1<<6));
892 bVal |= 0x80; //select right
893 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
894 outb(dwRate | 0x20, ALI_REG(codec, ALI_SPDIF_CS + 2));
896 bVal &= (~0x80); //select left
897 outb(bVal, ALI_REG(codec, ALI_SPDIF_CTRL));
898 outw(rate | 0x10, ALI_REG(codec, ALI_SPDIF_CS + 2));
901 static void snd_ali_enable_spdif_out(ali_t *codec)
906 struct pci_dev *pci_dev = NULL;
908 pci_dev = codec->pci_m1533;
911 pci_read_config_byte(pci_dev, 0x61, &bVal);
913 pci_write_config_byte(pci_dev, 0x61, bVal);
914 pci_read_config_byte(pci_dev, 0x7d, &bVal);
916 pci_write_config_byte(pci_dev, 0x7d, bVal);
918 pci_read_config_byte(pci_dev, 0x7e, &bVal);
921 pci_write_config_byte(pci_dev, 0x7e, bVal);
923 bVal = inb(ALI_REG(codec, ALI_SCTRL));
924 outb(bVal | ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
926 bVal = inb(ALI_REG(codec, ALI_SPDIF_CTRL));
927 outb(bVal & ALI_SPDIF_OUT_CH_STATUS, ALI_REG(codec, ALI_SPDIF_CTRL));
930 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
931 wVal |= ALI_SPDIF_OUT_SEL_PCM;
932 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
933 snd_ali_disable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL);
937 static void snd_ali_enable_spdif_chnout(ali_t *codec)
939 unsigned short wVal = 0;
941 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
942 wVal &= ~ALI_SPDIF_OUT_SEL_PCM;
943 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
945 wVal = inw(ALI_REG(codec, ALI_SPDIF_CS));
946 if (flag & ALI_SPDIF_OUT_NON_PCM)
950 outw(wVal, ALI_REG(codec, ALI_SPDIF_CS));
952 snd_ali_enable_special_channel(codec,ALI_SPDIF_OUT_CHANNEL);
955 static void snd_ali_disable_spdif_chnout(ali_t *codec)
957 unsigned short wVal = 0;
958 wVal = inw(ALI_REG(codec, ALI_GLOBAL_CONTROL));
959 wVal |= ALI_SPDIF_OUT_SEL_PCM;
960 outw(wVal, ALI_REG(codec, ALI_GLOBAL_CONTROL));
962 snd_ali_enable_special_channel(codec, ALI_SPDIF_OUT_CHANNEL);
965 static void snd_ali_disable_spdif_out(ali_t *codec)
969 bVal = inb(ALI_REG(codec, ALI_SCTRL));
970 outb(bVal & ~ALI_SPDIF_OUT_ENABLE, ALI_REG(codec, ALI_SCTRL));
972 snd_ali_disable_spdif_chnout(codec);
975 static void snd_ali_update_ptr(ali_t *codec,int channel)
977 snd_ali_voice_t *pvoice = NULL;
978 snd_pcm_runtime_t *runtime;
979 snd_ali_channel_control_t *pchregs = NULL;
980 unsigned int old, mask;
982 unsigned int temp, cspf;
985 pchregs = &(codec->chregs);
987 // check if interrupt occurred for channel
988 old = pchregs->data.aint;
989 mask = ((unsigned int) 1L) << (channel & 0x1f);
994 pvoice = &codec->synth.voices[channel];
995 runtime = pvoice->substream->runtime;
998 spin_lock(&codec->reg_lock);
1000 if (pvoice->pcm && pvoice->substream) {
1003 outb((u8)(pvoice->number), ALI_REG(codec, ALI_GC_CIR));
1004 temp = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1005 cspf = (inl(ALI_REG(codec, ALI_CSPF)) & mask) == mask;
1007 if (pvoice->running) {
1008 snd_ali_printk("update_ptr: cso=%4.4x cspf=%d.\n",(u16)temp,cspf);
1009 spin_unlock(&codec->reg_lock);
1010 snd_pcm_period_elapsed(pvoice->substream);
1011 spin_lock(&codec->reg_lock);
1013 snd_ali_stop_voice(codec, channel);
1014 snd_ali_disable_voice_irq(codec, channel);
1016 } else if (codec->synth.voices[channel].synth) {
1017 /* synth interrupt */
1018 } else if (codec->synth.voices[channel].midi) {
1019 /* midi interrupt */
1021 /* unknown interrupt */
1022 snd_ali_stop_voice(codec, channel);
1023 snd_ali_disable_voice_irq(codec, channel);
1025 spin_unlock(&codec->reg_lock);
1026 outl(mask,ALI_REG(codec,pchregs->regs.aint));
1027 pchregs->data.aint = old & (~mask);
1030 static void snd_ali_interrupt(ali_t * codec)
1033 unsigned int audio_int;
1034 snd_ali_channel_control_t *pchregs = NULL;
1035 pchregs = &(codec->chregs);
1037 audio_int = inl(ALI_REG(codec, ALI_MISCINT));
1038 if (audio_int & ADDRESS_IRQ) {
1039 // get interrupt status for all channels
1040 pchregs->data.aint = inl(ALI_REG(codec,pchregs->regs.aint));
1041 for (channel = 0; channel < ALI_CHANNELS; channel++) {
1042 snd_ali_update_ptr(codec, channel);
1045 outl((TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW),
1046 ALI_REG(codec,ALI_MISCINT));
1050 static irqreturn_t snd_ali_card_interrupt(int irq,
1052 struct pt_regs *regs)
1054 ali_t *codec = snd_magic_cast(ali_t, dev_id, return IRQ_NONE);
1058 snd_ali_interrupt(codec);
1063 static snd_ali_voice_t *snd_ali_alloc_voice(ali_t * codec, int type, int rec)
1065 snd_ali_voice_t *pvoice = NULL;
1066 unsigned long flags;
1069 snd_ali_printk("alloc_voice: type=%d rec=%d\n",type,rec);
1071 spin_lock_irqsave(&codec->voice_alloc, flags);
1072 if (type == SNDRV_ALI_VOICE_TYPE_PCM) {
1073 idx = snd_ali_find_free_channel(codec,rec);
1075 snd_printk("ali_alloc_voice: err.\n");
1076 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1079 pvoice = &(codec->synth.voices[idx]);
1083 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1086 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1091 static void snd_ali_free_voice(ali_t * codec, snd_ali_voice_t *pvoice)
1093 unsigned long flags;
1094 void (*private_free)(void *);
1097 snd_ali_printk("free_voice: channel=%d\n",pvoice->number);
1098 if (pvoice == NULL || !pvoice->use)
1100 snd_ali_clear_voices(codec, pvoice->number, pvoice->number);
1101 spin_lock_irqsave(&codec->voice_alloc, flags);
1102 private_free = pvoice->private_free;
1103 private_data = pvoice->private_data;
1104 pvoice->private_free = NULL;
1105 pvoice->private_data = NULL;
1107 snd_ali_free_channel_pcm(codec, pvoice->number);
1109 pvoice->use = pvoice->pcm = pvoice->synth = 0;
1110 pvoice->substream = NULL;
1111 spin_unlock_irqrestore(&codec->voice_alloc, flags);
1113 private_free(private_data);
1117 static void snd_ali_clear_voices(ali_t * codec,
1123 for (i = v_min; i <= v_max; i++) {
1124 snd_ali_stop_voice(codec, i);
1125 snd_ali_disable_voice_irq(codec, i);
1129 static void snd_ali_write_voice_regs(ali_t * codec,
1130 unsigned int Channel,
1135 unsigned int ALPHA_FMS,
1142 unsigned int ctlcmds[4];
1144 outb((unsigned char)(Channel & 0x001f),ALI_REG(codec,ALI_GC_CIR));
1146 ctlcmds[0] = (CSO << 16) | (ALPHA_FMS & 0x0000ffff);
1148 ctlcmds[2] = (ESO << 16) | (DELTA & 0x0ffff);
1149 ctlcmds[3] = (GVSEL << 31) |
1150 ((PAN & 0x0000007f) << 24) |
1151 ((VOL & 0x000000ff) << 16) |
1152 ((CTRL & 0x0000000f) << 12) |
1155 outb(Channel, ALI_REG(codec, ALI_GC_CIR));
1157 outl(ctlcmds[0], ALI_REG(codec,ALI_CSO_ALPHA_FMS));
1158 outl(ctlcmds[1], ALI_REG(codec,ALI_LBA));
1159 outl(ctlcmds[2], ALI_REG(codec,ALI_ESO_DELTA));
1160 outl(ctlcmds[3], ALI_REG(codec,ALI_GVSEL_PAN_VOC_CTRL_EC));
1162 outl(0x30000000, ALI_REG(codec, ALI_EBUF1)); /* Still Mode */
1163 outl(0x30000000, ALI_REG(codec, ALI_EBUF2)); /* Still Mode */
1166 static unsigned int snd_ali_convert_rate(unsigned int rate, int rec)
1170 if (rate < 4000) rate = 4000;
1171 if (rate > 48000) rate = 48000;
1176 else if (rate == 8000)
1178 else if (rate == 48000)
1181 delta = ((48000 << 12) / rate) & 0x0000ffff;
1185 else if (rate == 8000)
1187 else if (rate == 48000)
1190 delta = (((rate << 12) + rate) / 48000) & 0x0000ffff;
1196 static unsigned int snd_ali_control_mode(snd_pcm_substream_t *substream)
1199 snd_pcm_runtime_t *runtime = substream->runtime;
1202 CTRL default: 8-bit (unsigned) mono, loop mode enabled
1205 if (snd_pcm_format_width(runtime->format) == 16)
1206 CTRL |= 0x00000008; // 16-bit data
1207 if (!snd_pcm_format_unsigned(runtime->format))
1208 CTRL |= 0x00000002; // signed data
1209 if (runtime->channels > 1)
1210 CTRL |= 0x00000004; // stereo data
1218 static int snd_ali_ioctl(snd_pcm_substream_t * substream,
1219 unsigned int cmd, void *arg)
1221 return snd_pcm_lib_ioctl(substream, cmd, arg);
1224 static int snd_ali_trigger(snd_pcm_substream_t *substream,
1228 ali_t *codec = snd_pcm_substream_chip(substream);
1229 struct list_head *pos;
1230 snd_pcm_substream_t *s;
1231 unsigned int what, whati, capture_flag;
1232 snd_ali_voice_t *pvoice = NULL, *evoice = NULL;
1237 case SNDRV_PCM_TRIGGER_START:
1238 case SNDRV_PCM_TRIGGER_RESUME:
1239 do_start = 1; break;
1240 case SNDRV_PCM_TRIGGER_STOP:
1241 case SNDRV_PCM_TRIGGER_SUSPEND:
1242 do_start = 0; break;
1247 what = whati = capture_flag = 0;
1248 snd_pcm_group_for_each(pos, substream) {
1249 s = snd_pcm_group_substream_entry(pos);
1250 if ((ali_t *) _snd_pcm_chip(s->pcm) == codec) {
1251 pvoice = (snd_ali_voice_t *) s->runtime->private_data;
1252 evoice = pvoice->extra;
1253 what |= 1 << (pvoice->number & 0x1f);
1254 if (evoice == NULL) {
1255 whati |= 1 << (pvoice->number & 0x1f);
1257 whati |= 1 << (evoice->number & 0x1f);
1258 what |= 1 << (evoice->number & 0x1f);
1261 pvoice->running = 1;
1263 evoice->running = 1;
1265 pvoice->running = 0;
1267 evoice->running = 0;
1269 snd_pcm_trigger_done(s, substream);
1274 spin_lock(&codec->reg_lock);
1276 outl(what, ALI_REG(codec, ALI_STOP));
1278 val = inl(ALI_REG(codec, ALI_AINTEN));
1284 outl(val, ALI_REG(codec, ALI_AINTEN));
1286 outl(what, ALI_REG(codec, ALI_START));
1288 snd_ali_printk("trigger: what=%xh whati=%xh\n",what,whati);
1289 spin_unlock(&codec->reg_lock);
1294 static int snd_ali_playback_hw_params(snd_pcm_substream_t * substream,
1295 snd_pcm_hw_params_t * hw_params)
1297 ali_t *codec = snd_pcm_substream_chip(substream);
1298 snd_pcm_runtime_t *runtime = substream->runtime;
1299 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1300 snd_ali_voice_t *evoice = pvoice->extra;
1302 err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1303 if (err < 0) return err;
1305 /* voice management */
1307 if (params_buffer_size(hw_params)/2 != params_period_size(hw_params)) {
1308 if (evoice == NULL) {
1309 evoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0);
1312 pvoice->extra = evoice;
1313 evoice->substream = substream;
1316 if (evoice != NULL) {
1317 snd_ali_free_voice(codec, evoice);
1318 pvoice->extra = evoice = NULL;
1325 static int snd_ali_playback_hw_free(snd_pcm_substream_t * substream)
1327 ali_t *codec = snd_pcm_substream_chip(substream);
1328 snd_pcm_runtime_t *runtime = substream->runtime;
1329 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1330 snd_ali_voice_t *evoice = pvoice ? pvoice->extra : NULL;
1332 snd_pcm_lib_free_pages(substream);
1333 if (evoice != NULL) {
1334 snd_ali_free_voice(codec, evoice);
1335 pvoice->extra = NULL;
1340 static int snd_ali_capture_hw_params(snd_pcm_substream_t * substream,
1341 snd_pcm_hw_params_t * hw_params)
1343 return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
1346 static int snd_ali_capture_hw_free(snd_pcm_substream_t * substream)
1348 return snd_pcm_lib_free_pages(substream);
1351 static int snd_ali_playback_prepare(snd_pcm_substream_t * substream)
1353 ali_t *codec = snd_pcm_substream_chip(substream);
1354 snd_pcm_runtime_t *runtime = substream->runtime;
1355 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1356 snd_ali_voice_t *evoice = pvoice->extra;
1357 unsigned long flags;
1368 snd_ali_printk("playback_prepare ...\n");
1370 spin_lock_irqsave(&codec->reg_lock, flags);
1372 /* set Delta (rate) value */
1373 Delta = snd_ali_convert_rate(runtime->rate, 0);
1375 if ((pvoice->number == ALI_SPDIF_IN_CHANNEL) ||
1376 (pvoice->number == ALI_PCM_IN_CHANNEL))
1377 snd_ali_disable_special_channel(codec, pvoice->number);
1378 else if (codec->spdif_support &&
1379 (inl(ALI_REG(codec, ALI_GLOBAL_CONTROL)) & ALI_SPDIF_OUT_CH_ENABLE)
1380 && (pvoice->number == ALI_SPDIF_OUT_CHANNEL)) {
1381 snd_ali_set_spdif_out_rate(codec, runtime->rate);
1385 /* set Loop Back Address */
1386 LBA = runtime->dma_addr;
1388 /* set interrupt count size */
1389 pvoice->count = runtime->period_size;
1391 /* set target ESO for channel */
1392 pvoice->eso = runtime->buffer_size;
1394 snd_ali_printk("playback_prepare: eso=%xh count=%xh\n",pvoice->eso,pvoice->count);
1396 /* set ESO to capture first MIDLP interrupt */
1397 ESO = pvoice->eso -1;
1399 CTRL = snd_ali_control_mode(substream);
1405 snd_ali_printk("playback_prepare:\n ch=%d, Rate=%d Delta=%xh,GVSEL=%xh,PAN=%xh,CTRL=%xh\n",pvoice->number,runtime->rate,Delta,GVSEL,PAN,CTRL);
1406 snd_ali_write_voice_regs( codec,
1418 if (evoice != NULL) {
1419 evoice->count = pvoice->count;
1420 evoice->eso = pvoice->count << 1;
1421 ESO = evoice->eso - 1;
1422 snd_ali_write_voice_regs(codec,
1431 (unsigned int)0x3ff,
1435 spin_unlock_irqrestore(&codec->reg_lock, flags);
1440 static int snd_ali_capture_prepare(snd_pcm_substream_t * substream)
1442 ali_t *codec = snd_pcm_substream_chip(substream);
1443 snd_pcm_runtime_t *runtime = substream->runtime;
1444 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1445 unsigned long flags;
1456 spin_lock_irqsave(&codec->reg_lock, flags);
1458 snd_ali_printk("capture_prepare...\n");
1460 snd_ali_enable_special_channel(codec,pvoice->number);
1462 Delta = snd_ali_convert_rate(runtime->rate, 1);
1464 // Prepare capture intr channel
1465 if (pvoice->number == ALI_SPDIF_IN_CHANNEL) {
1469 if (codec->revision != ALI_5451_V02) {
1470 spin_unlock_irqrestore(&codec->reg_lock, flags);
1473 rate = snd_ali_get_spdif_in_rate(codec);
1475 snd_printk("ali_capture_preapre: spdif rate detect err!\n");
1478 bValue = inb(ALI_REG(codec,ALI_SPDIF_CTRL));
1479 if (bValue & 0x10) {
1480 outb(bValue,ALI_REG(codec,ALI_SPDIF_CTRL));
1481 printk("clear SPDIF parity error flag.\n");
1485 Delta = ((rate << 12)/runtime->rate)&0x00ffff;
1488 // set target ESO for channel
1489 pvoice->eso = runtime->buffer_size;
1491 // set interrupt count size
1492 pvoice->count = runtime->period_size;
1494 // set Loop Back Address
1495 LBA = runtime->dma_addr;
1497 // set ESO to capture first MIDLP interrupt
1498 ESO = pvoice->eso - 1;
1499 CTRL = snd_ali_control_mode(substream);
1505 snd_ali_write_voice_regs( codec,
1519 spin_unlock_irqrestore(&codec->reg_lock, flags);
1525 static snd_pcm_uframes_t snd_ali_playback_pointer(snd_pcm_substream_t *substream)
1527 ali_t *codec = snd_pcm_substream_chip(substream);
1528 snd_pcm_runtime_t *runtime = substream->runtime;
1529 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1531 unsigned long flags;
1533 spin_lock_irqsave(&codec->reg_lock, flags);
1534 if (!pvoice->running) {
1535 spin_unlock_irqrestore(&codec->reg_lock, flags);
1538 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1539 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1540 spin_unlock_irqrestore(&codec->reg_lock, flags);
1541 snd_ali_printk("playback pointer returned cso=%xh.\n", cso);
1547 static snd_pcm_uframes_t snd_ali_capture_pointer(snd_pcm_substream_t *substream)
1549 ali_t *codec = snd_pcm_substream_chip(substream);
1550 snd_pcm_runtime_t *runtime = substream->runtime;
1551 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1553 unsigned long flags;
1555 spin_lock_irqsave(&codec->reg_lock, flags);
1556 if (!pvoice->running) {
1557 spin_unlock_irqrestore(&codec->reg_lock, flags);
1560 outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
1561 cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
1562 spin_unlock_irqrestore(&codec->reg_lock, flags);
1567 static snd_pcm_hardware_t snd_ali_playback =
1569 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1570 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1571 SNDRV_PCM_INFO_MMAP_VALID |
1572 SNDRV_PCM_INFO_RESUME |
1573 SNDRV_PCM_INFO_SYNC_START),
1574 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1575 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1576 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1581 .buffer_bytes_max = (256*1024),
1582 .period_bytes_min = 64,
1583 .period_bytes_max = (256*1024),
1585 .periods_max = 1024,
1590 * Capture support device description
1593 static snd_pcm_hardware_t snd_ali_capture =
1595 .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
1596 SNDRV_PCM_INFO_BLOCK_TRANSFER |
1597 SNDRV_PCM_INFO_MMAP_VALID |
1598 SNDRV_PCM_INFO_RESUME |
1599 SNDRV_PCM_INFO_SYNC_START),
1600 .formats = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
1601 SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U16_LE),
1602 .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
1607 .buffer_bytes_max = (128*1024),
1608 .period_bytes_min = 64,
1609 .period_bytes_max = (128*1024),
1611 .periods_max = 1024,
1615 static void snd_ali_pcm_free_substream(snd_pcm_runtime_t *runtime)
1617 unsigned long flags;
1618 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1622 codec = pvoice->codec;
1623 spin_lock_irqsave(&codec->reg_lock, flags);
1624 snd_ali_free_voice(pvoice->codec, pvoice);
1625 spin_unlock_irqrestore(&codec->reg_lock, flags);
1629 static int snd_ali_playback_open(snd_pcm_substream_t * substream)
1631 ali_t *codec = snd_pcm_substream_chip(substream);
1632 snd_pcm_runtime_t *runtime = substream->runtime;
1633 snd_ali_voice_t *pvoice;
1634 unsigned long flags = 0;
1636 spin_lock_irqsave(&codec->reg_lock, flags);
1637 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 0);
1638 if (pvoice == NULL) {
1639 spin_unlock_irqrestore(&codec->reg_lock, flags);
1642 pvoice->codec = codec;
1643 spin_unlock_irqrestore(&codec->reg_lock, flags);
1645 pvoice->substream = substream;
1646 runtime->private_data = pvoice;
1647 runtime->private_free = snd_ali_pcm_free_substream;
1649 runtime->hw = snd_ali_playback;
1650 snd_pcm_set_sync(substream);
1651 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1656 static int snd_ali_capture_open(snd_pcm_substream_t * substream)
1658 ali_t *codec = snd_pcm_substream_chip(substream);
1659 snd_pcm_runtime_t *runtime = substream->runtime;
1660 snd_ali_voice_t *pvoice;
1661 unsigned long flags;
1663 spin_lock_irqsave(&codec->reg_lock, flags);
1664 pvoice = snd_ali_alloc_voice(codec, SNDRV_ALI_VOICE_TYPE_PCM, 1);
1665 if (pvoice == NULL) {
1666 spin_unlock_irqrestore(&codec->reg_lock, flags);
1669 pvoice->codec = codec;
1670 spin_unlock_irqrestore(&codec->reg_lock, flags);
1672 pvoice->substream = substream;
1673 runtime->private_data = pvoice;
1674 runtime->private_free = snd_ali_pcm_free_substream;
1675 runtime->hw = snd_ali_capture;
1676 snd_pcm_set_sync(substream);
1677 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 64*1024);
1682 static int snd_ali_playback_close(snd_pcm_substream_t * substream)
1687 static int snd_ali_capture_close(snd_pcm_substream_t * substream)
1689 ali_t *codec = snd_pcm_substream_chip(substream);
1690 snd_pcm_runtime_t *runtime = substream->runtime;
1691 snd_ali_voice_t *pvoice = (snd_ali_voice_t *) runtime->private_data;
1693 snd_ali_disable_special_channel(codec,pvoice->number);
1698 static snd_pcm_ops_t snd_ali_playback_ops = {
1699 .open = snd_ali_playback_open,
1700 .close = snd_ali_playback_close,
1701 .ioctl = snd_ali_ioctl,
1702 .hw_params = snd_ali_playback_hw_params,
1703 .hw_free = snd_ali_playback_hw_free,
1704 .prepare = snd_ali_playback_prepare,
1705 .trigger = snd_ali_trigger,
1706 .pointer = snd_ali_playback_pointer,
1709 static snd_pcm_ops_t snd_ali_capture_ops = {
1710 .open = snd_ali_capture_open,
1711 .close = snd_ali_capture_close,
1712 .ioctl = snd_ali_ioctl,
1713 .hw_params = snd_ali_capture_hw_params,
1714 .hw_free = snd_ali_capture_hw_free,
1715 .prepare = snd_ali_capture_prepare,
1716 .trigger = snd_ali_trigger,
1717 .pointer = snd_ali_capture_pointer,
1721 static void snd_ali_pcm_free(snd_pcm_t *pcm)
1723 ali_t *codec = snd_magic_cast(ali_t, pcm->private_data, return);
1727 static int __devinit snd_ali_pcm(ali_t * codec, int device, snd_pcm_t ** rpcm)
1732 if (rpcm) *rpcm = NULL;
1733 err = snd_pcm_new(codec->card, "ALI 5451", device, ALI_CHANNELS, 1, &pcm);
1735 snd_printk("snd_ali_pcm: err called snd_pcm_new.\n");
1738 pcm->private_data = codec;
1739 pcm->private_free = snd_ali_pcm_free;
1740 pcm->info_flags = 0;
1741 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ali_playback_ops);
1742 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ali_capture_ops);
1744 snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
1745 snd_dma_pci_data(codec->pci), 64*1024, 128*1024);
1747 pcm->info_flags = 0;
1748 pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
1749 strcpy(pcm->name, "ALI 5451");
1751 if (rpcm) *rpcm = pcm;
1755 #define ALI5451_SPDIF(xname, xindex, value) \
1756 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
1757 .info = snd_ali5451_spdif_info, .get = snd_ali5451_spdif_get, \
1758 .put = snd_ali5451_spdif_put, .private_value = value}
1760 static int snd_ali5451_spdif_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
1762 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1764 uinfo->value.integer.min = 0;
1765 uinfo->value.integer.max = 1;
1769 static int snd_ali5451_spdif_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1771 unsigned long flags;
1772 ali_t *codec = snd_magic_cast(ali_t, kcontrol->private_data, -ENXIO);
1773 unsigned int enable;
1775 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1777 spin_lock_irqsave(&codec->reg_lock, flags);
1778 switch(kcontrol->private_value) {
1780 enable = (codec->spdif_mask & 0x02) ? 1 : 0;
1783 enable = ((codec->spdif_mask & 0x02) && (codec->spdif_mask & 0x04)) ? 1 : 0;
1786 enable = (codec->spdif_mask & 0x01) ? 1 : 0;
1791 ucontrol->value.integer.value[0] = enable;
1792 spin_unlock_irqrestore(&codec->reg_lock, flags);
1796 static int snd_ali5451_spdif_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
1798 unsigned long flags;
1799 ali_t *codec = snd_magic_cast(ali_t, kcontrol->private_data, -ENXIO);
1800 unsigned int change = 0, enable = 0;
1802 enable = ucontrol->value.integer.value[0] ? 1 : 0;
1804 spin_lock_irqsave(&codec->reg_lock, flags);
1805 switch (kcontrol->private_value) {
1807 change = (codec->spdif_mask & 0x02) ? 1 : 0;
1808 change = change ^ enable;
1811 codec->spdif_mask |= 0x02;
1812 snd_ali_enable_spdif_out(codec);
1814 codec->spdif_mask &= ~(0x02);
1815 codec->spdif_mask &= ~(0x04);
1816 snd_ali_disable_spdif_out(codec);
1821 change = (codec->spdif_mask & 0x04) ? 1 : 0;
1822 change = change ^ enable;
1823 if (change && (codec->spdif_mask & 0x02)) {
1825 codec->spdif_mask |= 0x04;
1826 snd_ali_enable_spdif_chnout(codec);
1828 codec->spdif_mask &= ~(0x04);
1829 snd_ali_disable_spdif_chnout(codec);
1834 change = (codec->spdif_mask & 0x01) ? 1 : 0;
1835 change = change ^ enable;
1838 codec->spdif_mask |= 0x01;
1839 snd_ali_enable_spdif_in(codec);
1841 codec->spdif_mask &= ~(0x01);
1842 snd_ali_disable_spdif_in(codec);
1849 spin_unlock_irqrestore(&codec->reg_lock, flags);
1854 static snd_kcontrol_new_t snd_ali5451_mixer_spdif[] __devinitdata = {
1855 /* spdif aplayback switch */
1856 /* FIXME: "IEC958 Playback Switch" may conflict with one on ac97_codec */
1857 ALI5451_SPDIF("IEC958 Output switch", 0, 0),
1858 /* spdif out to spdif channel */
1859 ALI5451_SPDIF("IEC958 Channel Output Switch", 0, 1),
1860 /* spdif in from spdif channel */
1861 ALI5451_SPDIF(SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), 0, 2)
1864 static void snd_ali_mixer_free_ac97_bus(ac97_bus_t *bus)
1866 ali_t *codec = snd_magic_cast(ali_t, bus->private_data, return);
1867 codec->ac97_bus = NULL;
1870 static void snd_ali_mixer_free_ac97(ac97_t *ac97)
1872 ali_t *codec = snd_magic_cast(ali_t, ac97->private_data, return);
1876 static int __devinit snd_ali_mixer(ali_t * codec)
1883 memset(&bus, 0, sizeof(bus));
1884 bus.write = snd_ali_codec_write;
1885 bus.read = snd_ali_codec_read;
1886 bus.private_data = codec;
1887 bus.private_free = snd_ali_mixer_free_ac97_bus;
1888 if ((err = snd_ac97_bus(codec->card, &bus, &codec->ac97_bus)) < 0)
1891 memset(&ac97, 0, sizeof(ac97));
1892 ac97.private_data = codec;
1893 ac97.private_free = snd_ali_mixer_free_ac97;
1894 if ((err = snd_ac97_mixer(codec->ac97_bus, &ac97, &codec->ac97)) < 0) {
1895 snd_printk("ali mixer creating error.\n");
1898 if (codec->spdif_support) {
1899 for(idx = 0; idx < ARRAY_SIZE(snd_ali5451_mixer_spdif); idx++) {
1900 err=snd_ctl_add(codec->card, snd_ctl_new1(&snd_ali5451_mixer_spdif[idx], codec));
1901 if (err < 0) return err;
1908 static int ali_suspend(snd_card_t *card, unsigned int state)
1910 ali_t *chip = snd_magic_cast(ali_t, card->pm_private_data, return -EINVAL);
1918 snd_pcm_suspend_all(chip->pcm);
1919 snd_ac97_suspend(chip->ac97);
1921 spin_lock_irq(&chip->reg_lock);
1923 im->regs[ALI_MISCINT >> 2] = inl(ALI_REG(chip, ALI_MISCINT));
1924 // im->regs[ALI_START >> 2] = inl(ALI_REG(chip, ALI_START));
1925 im->regs[ALI_STOP >> 2] = inl(ALI_REG(chip, ALI_STOP));
1927 // disable all IRQ bits
1928 outl(0, ALI_REG(chip, ALI_MISCINT));
1930 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1931 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP))
1933 im->regs[i] = inl(ALI_REG(chip, i*4));
1936 for (i = 0; i < ALI_CHANNELS; i++) {
1937 outb(i, ALI_REG(chip, ALI_GC_CIR));
1938 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1939 im->channel_regs[i][j] = inl(ALI_REG(chip, j*4 + 0xe0));
1942 // stop all HW channel
1943 outl(0xffffffff, ALI_REG(chip, ALI_STOP));
1945 spin_unlock_irq(&chip->reg_lock);
1949 static int ali_resume(snd_card_t *card, unsigned int state)
1951 ali_t *chip = snd_magic_cast(ali_t, card->pm_private_data, return -EINVAL);
1959 pci_enable_device(chip->pci);
1961 spin_lock_irq(&chip->reg_lock);
1963 for (i = 0; i < ALI_CHANNELS; i++) {
1964 outb(i, ALI_REG(chip, ALI_GC_CIR));
1965 for (j = 0; j < ALI_CHANNEL_REGS; j++)
1966 outl(im->channel_regs[i][j], ALI_REG(chip, j*4 + 0xe0));
1969 for (i = 0; i < ALI_GLOBAL_REGS; i++) {
1970 if ((i*4 == ALI_MISCINT) || (i*4 == ALI_STOP) || (i*4 == ALI_START))
1972 outl(im->regs[i], ALI_REG(chip, i*4));
1976 outl(im->regs[ALI_START >> 2], ALI_REG(chip, ALI_START));
1977 // restore IRQ enable bits
1978 outl(im->regs[ALI_MISCINT >> 2], ALI_REG(chip, ALI_MISCINT));
1980 spin_unlock_irq(&chip->reg_lock);
1982 snd_ac97_resume(chip->ac97);
1986 #endif /* CONFIG_PM */
1988 static int snd_ali_free(ali_t * codec)
1990 if (codec->hw_initialized)
1991 snd_ali_disable_address_interrupt(codec);
1992 if (codec->irq >= 0) {
1993 synchronize_irq(codec->irq);
1994 free_irq(codec->irq, (void *)codec);
1996 if (codec->res_port) {
1997 release_resource(codec->res_port);
1998 kfree_nocheck(codec->res_port);
2002 kfree(codec->image);
2004 snd_magic_kfree(codec);
2008 static int snd_ali_chip_init(ali_t *codec)
2010 unsigned int legacy;
2012 struct pci_dev *pci_dev = NULL;
2014 snd_ali_printk("chip initializing ... \n");
2016 if (snd_ali_reset_5451(codec)) {
2017 snd_printk("ali_chip_init: reset 5451 error.\n");
2021 if (codec->revision == ALI_5451_V02) {
2022 pci_dev = codec->pci_m1533;
2023 pci_read_config_byte(pci_dev, 0x59, &temp);
2025 pci_write_config_byte(pci_dev, 0x59, temp);
2027 pci_dev = codec->pci_m7101;
2028 pci_read_config_byte(pci_dev, 0xb8, &temp);
2030 pci_write_config_byte(pci_dev, 0xB8, temp);
2033 pci_read_config_dword(codec->pci, 0x44, &legacy);
2034 legacy &= 0xff00ff00;
2035 legacy |= 0x000800aa;
2036 pci_write_config_dword(codec->pci, 0x44, legacy);
2038 outl(0x80000001, ALI_REG(codec, ALI_GLOBAL_CONTROL));
2039 outl(0x00000000, ALI_REG(codec, ALI_AINTEN));
2040 outl(0xffffffff, ALI_REG(codec, ALI_AINT));
2041 outl(0x00000000, ALI_REG(codec, ALI_VOLUME));
2042 outb(0x10, ALI_REG(codec, ALI_MPUR2));
2044 codec->ac97_ext_id = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_ID);
2045 codec->ac97_ext_status = snd_ali_codec_peek(codec, 0, AC97_EXTENDED_STATUS);
2046 if (codec->spdif_support) {
2047 snd_ali_enable_spdif_out(codec);
2048 codec->spdif_mask = 0x00000002;
2051 snd_ali_printk("chip initialize succeed.\n");
2056 static int __devinit snd_ali_resources(ali_t *codec)
2058 snd_ali_printk("resouces allocation ...\n");
2059 if ((codec->res_port = request_region(codec->port, 0x100, "ALI 5451")) == NULL) {
2060 snd_printk("Unalbe to request io ports.\n");
2064 if (request_irq(codec->pci->irq, snd_ali_card_interrupt, SA_INTERRUPT|SA_SHIRQ, "ALI 5451", (void *)codec)) {
2065 snd_printk("Unable to request irq.\n");
2068 codec->irq = codec->pci->irq;
2069 snd_ali_printk("resouces allocated.\n");
2072 static int snd_ali_dev_free(snd_device_t *device)
2074 ali_t *codec=snd_magic_cast(ali_t, device->device_data, return -ENXIO);
2075 snd_ali_free(codec);
2079 static int __devinit snd_ali_create(snd_card_t * card,
2080 struct pci_dev *pci,
2087 unsigned short cmdw = 0;
2088 struct pci_dev *pci_dev = NULL;
2089 static snd_device_ops_t ops = {
2090 (snd_dev_free_t *)snd_ali_dev_free,
2097 snd_ali_printk("creating ...\n");
2099 /* enable PCI device */
2100 if ((err = pci_enable_device(pci)) < 0)
2102 /* check, if we can restrict PCI DMA transfers to 31 bits */
2103 if (pci_set_dma_mask(pci, 0x7fffffff) < 0 ||
2104 pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) {
2105 snd_printk("architecture does not support 31bit PCI busmaster DMA\n");
2109 if ((codec = snd_magic_kcalloc(ali_t, 0, GFP_KERNEL)) == NULL)
2112 spin_lock_init(&codec->reg_lock);
2113 spin_lock_init(&codec->voice_alloc);
2118 codec->port = pci_resource_start(pci, 0);
2119 pci_read_config_byte(pci, PCI_REVISION_ID, &codec->revision);
2120 codec->spdif_support = spdif_support;
2122 if (pcm_streams < 1)
2124 if (pcm_streams > 32)
2127 pci_set_master(pci);
2128 pci_read_config_word(pci, PCI_COMMAND, &cmdw);
2129 if ((cmdw & PCI_COMMAND_IO) != PCI_COMMAND_IO) {
2130 cmdw |= PCI_COMMAND_IO;
2131 pci_write_config_word(pci, PCI_COMMAND, cmdw);
2133 pci_set_master(pci);
2135 if (snd_ali_resources(codec)) {
2136 snd_ali_free(codec);
2140 synchronize_irq(pci->irq);
2142 codec->synth.chmap = 0;
2143 codec->synth.chcnt = 0;
2144 codec->spdif_mask = 0;
2145 codec->synth.synthcount = 0;
2147 if (codec->revision == ALI_5451_V02)
2148 codec->chregs.regs.ac97read = ALI_AC97_WRITE;
2150 codec->chregs.regs.ac97read = ALI_AC97_READ;
2151 codec->chregs.regs.ac97write = ALI_AC97_WRITE;
2153 codec->chregs.regs.start = ALI_START;
2154 codec->chregs.regs.stop = ALI_STOP;
2155 codec->chregs.regs.aint = ALI_AINT;
2156 codec->chregs.regs.ainten = ALI_AINTEN;
2158 codec->chregs.data.start = 0x00;
2159 codec->chregs.data.stop = 0x00;
2160 codec->chregs.data.aint = 0x00;
2161 codec->chregs.data.ainten = 0x00;
2163 /* M1533: southbridge */
2164 pci_dev = pci_find_device(0x10b9, 0x1533, NULL);
2165 codec->pci_m1533 = pci_dev;
2166 if (! codec->pci_m1533) {
2167 snd_printk(KERN_ERR "ali5451: cannot find ALi 1533 chip.\n");
2168 snd_ali_free(codec);
2171 /* M7101: power management */
2172 pci_dev = pci_find_device(0x10b9, 0x7101, NULL);
2173 codec->pci_m7101 = pci_dev;
2174 if (! codec->pci_m7101 && codec->revision == ALI_5451_V02) {
2175 snd_printk(KERN_ERR "ali5451: cannot find ALi 7101 chip.\n");
2176 snd_ali_free(codec);
2180 snd_ali_printk("snd_device_new is called.\n");
2181 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, codec, &ops)) < 0) {
2182 snd_ali_free(codec);
2186 /* initialise synth voices*/
2187 for (i = 0; i < ALI_CHANNELS; i++ ) {
2188 codec->synth.voices[i].number = i;
2191 if ((err = snd_ali_chip_init(codec)) < 0) {
2192 snd_printk("ali create: chip init error.\n");
2197 codec->image = kmalloc(sizeof(*codec->image), GFP_KERNEL);
2199 snd_printk(KERN_WARNING "can't allocate apm buffer\n");
2201 snd_card_set_pm_callback(card, ali_suspend, ali_resume, codec);
2204 snd_ali_enable_address_interrupt(codec);
2205 codec->hw_initialized = 1;
2208 snd_ali_printk("created.\n");
2212 static int __devinit snd_ali_probe(struct pci_dev *pci,
2213 const struct pci_device_id *pci_id)
2220 snd_ali_printk("probe ...\n");
2222 if (dev >= SNDRV_CARDS)
2229 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2233 if ((err = snd_ali_create(card, pci, pcm_channels[dev], spdif[dev], &codec)) < 0) {
2234 snd_card_free(card);
2238 snd_ali_printk("mixer building ...\n");
2239 if ((err = snd_ali_mixer(codec)) < 0) {
2240 snd_card_free(card);
2244 snd_ali_printk("pcm building ...\n");
2245 if ((err = snd_ali_pcm(codec, 0, NULL)) < 0) {
2246 snd_card_free(card);
2250 strcpy(card->driver, "ALI5451");
2251 strcpy(card->shortname, "ALI 5451");
2253 sprintf(card->longname, "%s at 0x%lx, irq %li",
2254 card->shortname, codec->port, codec->irq);
2256 snd_ali_printk("register card.\n");
2257 if ((err = snd_card_register(card)) < 0) {
2258 snd_card_free(card);
2261 pci_set_drvdata(pci, card);
2266 static void __devexit snd_ali_remove(struct pci_dev *pci)
2268 snd_card_free(pci_get_drvdata(pci));
2269 pci_set_drvdata(pci, NULL);
2272 static struct pci_driver driver = {
2274 .id_table = snd_ali_ids,
2275 .probe = snd_ali_probe,
2276 .remove = __devexit_p(snd_ali_remove),
2277 SND_PCI_PM_CALLBACKS
2280 static int __init alsa_card_ali_init(void)
2282 return pci_module_init(&driver);
2285 static void __exit alsa_card_ali_exit(void)
2287 pci_unregister_driver(&driver);
2290 module_init(alsa_card_ali_init)
2291 module_exit(alsa_card_ali_exit)