ALSA: ca0106 - Add power-management support
Takashi Iwai [Mon, 24 Nov 2008 13:06:08 +0000 (14:06 +0100)]
Added the missing PM support for snd-ca0106 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ca0106/ca0106.h
sound/pci/ca0106/ca0106_main.c
sound/pci/ca0106/ca0106_mixer.c

index 74175fc..1c14ff4 100644 (file)
@@ -686,7 +686,7 @@ struct snd_ca0106 {
        spinlock_t emu_lock;
 
        struct snd_ac97 *ac97;
-       struct snd_pcm *pcm;
+       struct snd_pcm *pcm[4];
 
        struct snd_ca0106_channel playback_channels[4];
        struct snd_ca0106_channel capture_channels[4];
@@ -703,6 +703,11 @@ struct snd_ca0106 {
        struct snd_ca_midi midi2;
 
        u16 spi_dac_reg[16];
+
+#ifdef CONFIG_PM
+#define NUM_SAVED_VOLUMES      9
+       unsigned int saved_vol[NUM_SAVED_VOLUMES];
+#endif
 };
 
 int snd_ca0106_mixer(struct snd_ca0106 *emu);
@@ -721,3 +726,11 @@ int snd_ca0106_i2c_write(struct snd_ca0106 *emu, u32 reg, u32 value);
 
 int snd_ca0106_spi_write(struct snd_ca0106 * emu,
                                   unsigned int data);
+
+#ifdef CONFIG_PM
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip);
+void snd_ca0106_mixer_resume(struct snd_ca0106 *chip);
+#else
+#define snd_ca0106_mixer_suspend(chip) do { } while (0)
+#define snd_ca0106_mixer_resume(chip)  do { } while (0)
+#endif
index 88fbf28..cea8a7c 100644 (file)
@@ -847,15 +847,18 @@ static int snd_ca0106_pcm_trigger_playback(struct snd_pcm_substream *substream,
         struct snd_pcm_substream *s;
        u32 basic = 0;
        u32 extended = 0;
-       int running=0;
+       u32 bits;
+       int running = 0;
 
        switch (cmd) {
        case SNDRV_PCM_TRIGGER_START:
-               running=1;
+       case SNDRV_PCM_TRIGGER_RESUME:
+               running = 1;
                break;
        case SNDRV_PCM_TRIGGER_STOP:
+       case SNDRV_PCM_TRIGGER_SUSPEND:
        default:
-               running=0;
+               running = 0;
                break;
        }
         snd_pcm_group_for_each_entry(s, substream) {
@@ -865,22 +868,32 @@ static int snd_ca0106_pcm_trigger_playback(struct snd_pcm_substream *substream,
                runtime = s->runtime;
                epcm = runtime->private_data;
                channel = epcm->channel_id;
-               //snd_printk("channel=%d\n",channel);
+               /* snd_printk("channel=%d\n",channel); */
                epcm->running = running;
-               basic |= (0x1<<channel);
-               extended |= (0x10<<channel);
+               basic |= (0x1 << channel);
+               extended |= (0x10 << channel);
                 snd_pcm_trigger_done(s, substream);
         }
-       //snd_printk("basic=0x%x, extended=0x%x\n",basic, extended);
+       /* snd_printk("basic=0x%x, extended=0x%x\n",basic, extended); */
 
        switch (cmd) {
        case SNDRV_PCM_TRIGGER_START:
-               snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) | (extended));
-               snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0)|(basic));
+       case SNDRV_PCM_TRIGGER_RESUME:
+               bits = snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0);
+               bits |= extended;
+               snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, bits);
+               bits = snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0);
+               bits |= basic;
+               snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, bits);
                break;
        case SNDRV_PCM_TRIGGER_STOP:
-               snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
-               snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0) & ~(extended));
+       case SNDRV_PCM_TRIGGER_SUSPEND:
+               bits = snd_ca0106_ptr_read(emu, BASIC_INTERRUPT, 0);
+               bits &= ~basic;
+               snd_ca0106_ptr_write(emu, BASIC_INTERRUPT, 0, bits);
+               bits = snd_ca0106_ptr_read(emu, EXTENDED_INT_MASK, 0);
+               bits &= ~extended;
+               snd_ca0106_ptr_write(emu, EXTENDED_INT_MASK, 0, bits);
                break;
        default:
                result = -EINVAL;
@@ -1103,21 +1116,13 @@ static int snd_ca0106_ac97(struct snd_ca0106 *chip)
        return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
 }
 
+static void ca0106_stop_chip(struct snd_ca0106 *chip);
+
 static int snd_ca0106_free(struct snd_ca0106 *chip)
 {
-       if (chip->res_port != NULL) {    /* avoid access to already used hardware */
-               // disable interrupts
-               snd_ca0106_ptr_write(chip, BASIC_INTERRUPT, 0, 0);
-               outl(0, chip->port + INTE);
-               snd_ca0106_ptr_write(chip, EXTENDED_INT_MASK, 0, 0);
-               udelay(1000);
-               // disable audio
-               //outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
-               outl(0, chip->port + HCFG);
-               /* FIXME: We need to stop and DMA transfers here.
-                *        But as I am not sure how yet, we cannot from the dma pages.
-                * So we can fix: snd-malloc: Memory leak?  pages not freed = 8
-                */
+       if (chip->res_port != NULL) {
+               /* avoid access to already used hardware */
+               ca0106_stop_chip(chip);
        }
        if (chip->irq >= 0)
                free_irq(chip->irq, chip);
@@ -1203,15 +1208,14 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id)
        return IRQ_HANDLED;
 }
 
-static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct snd_pcm **rpcm)
+static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device)
 {
        struct snd_pcm *pcm;
        struct snd_pcm_substream *substream;
        int err;
   
-       if (rpcm)
-               *rpcm = NULL;
-       if ((err = snd_pcm_new(emu->card, "ca0106", device, 1, 1, &pcm)) < 0)
+       err = snd_pcm_new(emu->card, "ca0106", device, 1, 1, &pcm);
+       if (err < 0)
                return err;
   
        pcm->private_data = emu;
@@ -1238,7 +1242,6 @@ static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct s
        pcm->info_flags = 0;
        pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
        strcpy(pcm->name, "CA0106");
-       emu->pcm = pcm;
 
        for(substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; 
            substream; 
@@ -1260,8 +1263,7 @@ static int __devinit snd_ca0106_pcm(struct snd_ca0106 *emu, int device, struct s
                        return err;
        }
   
-       if (rpcm)
-               *rpcm = pcm;
+       emu->pcm[device] = pcm;
   
        return 0;
 }
@@ -1301,89 +1303,9 @@ static unsigned int i2c_adc_init[][2] = {
        { 0x15, ADC_MUX_LINEIN },  /* ADC Mixer control */
 };
 
-static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
-                                        struct pci_dev *pci,
-                                        struct snd_ca0106 **rchip)
+static void ca0106_init_chip(struct snd_ca0106 *chip)
 {
-       struct snd_ca0106 *chip;
-       struct snd_ca0106_details *c;
-       int err;
        int ch;
-       static struct snd_device_ops ops = {
-               .dev_free = snd_ca0106_dev_free,
-       };
-  
-       *rchip = NULL;
-  
-       if ((err = pci_enable_device(pci)) < 0)
-               return err;
-       if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
-           pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
-               printk(KERN_ERR "error to set 32bit mask DMA\n");
-               pci_disable_device(pci);
-               return -ENXIO;
-       }
-  
-       chip = kzalloc(sizeof(*chip), GFP_KERNEL);
-       if (chip == NULL) {
-               pci_disable_device(pci);
-               return -ENOMEM;
-       }
-  
-       chip->card = card;
-       chip->pci = pci;
-       chip->irq = -1;
-
-       spin_lock_init(&chip->emu_lock);
-  
-       chip->port = pci_resource_start(pci, 0);
-       if ((chip->res_port = request_region(chip->port, 0x20,
-                                            "snd_ca0106")) == NULL) { 
-               snd_ca0106_free(chip);
-               printk(KERN_ERR "cannot allocate the port\n");
-               return -EBUSY;
-       }
-
-       if (request_irq(pci->irq, snd_ca0106_interrupt,
-                       IRQF_SHARED, "snd_ca0106", chip)) {
-               snd_ca0106_free(chip);
-               printk(KERN_ERR "cannot grab irq\n");
-               return -EBUSY;
-       }
-       chip->irq = pci->irq;
-  
-       /* This stores the periods table. */ 
-       if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1024, &chip->buffer) < 0) {
-               snd_ca0106_free(chip);
-               return -ENOMEM;
-       }
-
-       pci_set_master(pci);
-       /* read serial */
-       pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
-       pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
-#if 1
-       printk(KERN_INFO "snd-ca0106: Model %04x Rev %08x Serial %08x\n", chip->model,
-              pci->revision, chip->serial);
-#endif
-       strcpy(card->driver, "CA0106");
-       strcpy(card->shortname, "CA0106");
-
-       for (c = ca0106_chip_details; c->serial; c++) {
-               if (subsystem[dev]) {
-                       if (c->serial == subsystem[dev])
-                               break;
-               } else if (c->serial == chip->serial)
-                       break;
-       }
-       chip->details = c;
-       if (subsystem[dev]) {
-               printk(KERN_INFO "snd-ca0106: Sound card name=%s, subsystem=0x%x. Forced to subsystem=0x%x\n",
-                        c->name, chip->serial, subsystem[dev]);
-       }
-
-       sprintf(card->longname, "%s at 0x%lx irq %i",
-               c->name, chip->port, chip->irq);
 
        outl(0, chip->port + INTE);
 
@@ -1401,31 +1323,31 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
         *  AN                = 0     (Audio data)
         *  P                 = 0     (Consumer)
         */
-       snd_ca0106_ptr_write(chip, SPCS0, 0,
-                               chip->spdif_bits[0] =
-                               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-                               SPCS_GENERATIONSTATUS | 0x00001200 |
-                               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
+       chip->spdif_bits[0] =
+               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
+               SPCS_GENERATIONSTATUS | 0x00001200 |
+               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
+       snd_ca0106_ptr_write(chip, SPCS0, 0, chip->spdif_bits[0]);
        /* Only SPCS1 has been tested */
-       snd_ca0106_ptr_write(chip, SPCS1, 0,
-                               chip->spdif_bits[1] =
-                               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-                               SPCS_GENERATIONSTATUS | 0x00001200 |
-                               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
-       snd_ca0106_ptr_write(chip, SPCS2, 0,
-                               chip->spdif_bits[2] =
-                               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-                               SPCS_GENERATIONSTATUS | 0x00001200 |
-                               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
-       snd_ca0106_ptr_write(chip, SPCS3, 0,
-                               chip->spdif_bits[3] =
-                               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
-                               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
-                               SPCS_GENERATIONSTATUS | 0x00001200 |
-                               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
+       chip->spdif_bits[1] =
+               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
+               SPCS_GENERATIONSTATUS | 0x00001200 |
+               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
+       snd_ca0106_ptr_write(chip, SPCS1, 0, chip->spdif_bits[1]);
+       chip->spdif_bits[2] =
+               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
+               SPCS_GENERATIONSTATUS | 0x00001200 |
+               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
+       snd_ca0106_ptr_write(chip, SPCS2, 0, chip->spdif_bits[2]);
+       chip->spdif_bits[3] =
+               SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
+               SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
+               SPCS_GENERATIONSTATUS | 0x00001200 |
+               0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
+       snd_ca0106_ptr_write(chip, SPCS3, 0, chip->spdif_bits[3]);
 
         snd_ca0106_ptr_write(chip, PLAYBACK_MUTE, 0, 0x00fc0000);
         snd_ca0106_ptr_write(chip, CAPTURE_MUTE, 0, 0x00fc0000);
@@ -1433,36 +1355,53 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
         /* Write 0x8000 to AC97_REC_GAIN to mute it. */
         outb(AC97_REC_GAIN, chip->port + AC97ADDRESS);
         outw(0x8000, chip->port + AC97DATA);
-#if 0
+#if 0 /* FIXME: what are these? */
        snd_ca0106_ptr_write(chip, SPCS0, 0, 0x2108006);
        snd_ca0106_ptr_write(chip, 0x42, 0, 0x2108006);
        snd_ca0106_ptr_write(chip, 0x43, 0, 0x2108006);
        snd_ca0106_ptr_write(chip, 0x44, 0, 0x2108006);
 #endif
 
-       //snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0xf0f003f); /* OSS drivers set this. */
+       /* OSS drivers set this. */
+       /* snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0xf0f003f); */
+
        /* Analog or Digital output */
        snd_ca0106_ptr_write(chip, SPDIF_SELECT1, 0, 0xf);
-       snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0x000f0000); /* 0x0b000000 for digital, 0x000b0000 for analog, from win2000 drivers. Use 0x000f0000 for surround71 */
+       /* 0x0b000000 for digital, 0x000b0000 for analog, from win2000 drivers.
+        * Use 0x000f0000 for surround71
+        */
+       snd_ca0106_ptr_write(chip, SPDIF_SELECT2, 0, 0x000f0000);
+
        chip->spdif_enable = 0; /* Set digital SPDIF output off */
-       //snd_ca0106_ptr_write(chip, 0x45, 0, 0); /* Analogue out */
-       //snd_ca0106_ptr_write(chip, 0x45, 0, 0xf00); /* Digital out */
+       /*snd_ca0106_ptr_write(chip, 0x45, 0, 0);*/ /* Analogue out */
+       /*snd_ca0106_ptr_write(chip, 0x45, 0, 0xf00);*/ /* Digital out */
+
+       /* goes to 0x40c80000 when doing SPDIF IN/OUT */
+       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 0, 0x40c81000);
+       /* (Mute) CAPTURE feedback into PLAYBACK volume.
+        * Only lower 16 bits matter.
+        */
+       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 1, 0xffffffff);
+       /* SPDIF IN Volume */
+       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 2, 0x30300000);
+       /* SPDIF IN Volume, 0x70 = (vol & 0x3f) | 0x40 */
+       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 3, 0x00700000);
 
-       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 0, 0x40c81000); /* goes to 0x40c80000 when doing SPDIF IN/OUT */
-       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 1, 0xffffffff); /* (Mute) CAPTURE feedback into PLAYBACK volume. Only lower 16 bits matter. */
-       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 2, 0x30300000); /* SPDIF IN Volume */
-       snd_ca0106_ptr_write(chip, CAPTURE_CONTROL, 3, 0x00700000); /* SPDIF IN Volume, 0x70 = (vol & 0x3f) | 0x40 */
        snd_ca0106_ptr_write(chip, PLAYBACK_ROUTING1, 0, 0x32765410);
        snd_ca0106_ptr_write(chip, PLAYBACK_ROUTING2, 0, 0x76767676);
        snd_ca0106_ptr_write(chip, CAPTURE_ROUTING1, 0, 0x32765410);
        snd_ca0106_ptr_write(chip, CAPTURE_ROUTING2, 0, 0x76767676);
-       for(ch = 0; ch < 4; ch++) {
-               snd_ca0106_ptr_write(chip, CAPTURE_VOLUME1, ch, 0x30303030); /* Only high 16 bits matter */
+
+       for (ch = 0; ch < 4; ch++) {
+               /* Only high 16 bits matter */
+               snd_ca0106_ptr_write(chip, CAPTURE_VOLUME1, ch, 0x30303030);
                snd_ca0106_ptr_write(chip, CAPTURE_VOLUME2, ch, 0x30303030);
-               //snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0x40404040); /* Mute */
-               //snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0x40404040); /* Mute */
-               snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0xffffffff); /* Mute */
-               snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0xffffffff); /* Mute */
+#if 0 /* Mute */
+               snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0x40404040);
+               snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0x40404040);
+               snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME1, ch, 0xffffffff);
+               snd_ca0106_ptr_write(chip, PLAYBACK_VOLUME2, ch, 0xffffffff);
+#endif
        }
        if (chip->details->i2c_adc == 1) {
                /* Select MIC, Line in, TAD in, AUX in */
@@ -1481,44 +1420,56 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
                chip->capture_source = 3;
        }
 
-        if (chip->details->gpio_type == 2) { /* The SB0438 use GPIO differently. */
-               /* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
+       if (chip->details->gpio_type == 2) {
+               /* The SB0438 use GPIO differently. */
+               /* FIXME: Still need to find out what the other GPIO bits do.
+                * E.g. For digital spdif out.
+                */
                outl(0x0, chip->port+GPIO);
-               //outl(0x00f0e000, chip->port+GPIO); /* Analog */
+               /* outl(0x00f0e000, chip->port+GPIO); */ /* Analog */
                outl(0x005f5301, chip->port+GPIO); /* Analog */
-       } else if (chip->details->gpio_type == 1) { /* The SB0410 and SB0413 use GPIO differently. */
-               /* FIXME: Still need to find out what the other GPIO bits do. E.g. For digital spdif out. */
+       } else if (chip->details->gpio_type == 1) {
+               /* The SB0410 and SB0413 use GPIO differently. */
+               /* FIXME: Still need to find out what the other GPIO bits do.
+                * E.g. For digital spdif out.
+                */
                outl(0x0, chip->port+GPIO);
-               //outl(0x00f0e000, chip->port+GPIO); /* Analog */
+               /* outl(0x00f0e000, chip->port+GPIO); */ /* Analog */
                outl(0x005f5301, chip->port+GPIO); /* Analog */
        } else {
                outl(0x0, chip->port+GPIO);
                outl(0x005f03a3, chip->port+GPIO); /* Analog */
-               //outl(0x005f02a2, chip->port+GPIO);   /* SPDIF */
+               /* outl(0x005f02a2, chip->port+GPIO); */ /* SPDIF */
        }
        snd_ca0106_intr_enable(chip, 0x105); /* Win2000 uses 0x1e0 */
 
-       //outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
-       //outl(0x00001409, chip->port+HCFG); /* 0x1000 causes AC3 to fails. Maybe it effects 24 bit output. */
-       //outl(0x00000009, chip->port+HCFG);
-       outl(HCFG_AC97 | HCFG_AUDIOENABLE, chip->port+HCFG); /* AC97 2.0, Enable outputs. */
+       /* outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); */
+       /* 0x1000 causes AC3 to fails. Maybe it effects 24 bit output. */
+       /* outl(0x00001409, chip->port+HCFG); */
+       /* outl(0x00000009, chip->port+HCFG); */
+       /* AC97 2.0, Enable outputs. */
+       outl(HCFG_AC97 | HCFG_AUDIOENABLE, chip->port+HCFG);
 
-        if (chip->details->i2c_adc == 1) { /* The SB0410 and SB0413 use I2C to control ADC. */
+       if (chip->details->i2c_adc == 1) {
+               /* The SB0410 and SB0413 use I2C to control ADC. */
                int size, n;
 
                size = ARRAY_SIZE(i2c_adc_init);
-                //snd_printk("I2C:array size=0x%x\n", size);
-               for (n=0; n < size; n++) {
-                       snd_ca0106_i2c_write(chip, i2c_adc_init[n][0], i2c_adc_init[n][1]);
-               }
-               for (n=0; n < 4; n++) {
-                       chip->i2c_capture_volume[n][0]= 0xcf;
-                       chip->i2c_capture_volume[n][1]= 0xcf;
+               /* snd_printk("I2C:array size=0x%x\n", size); */
+               for (n = 0; n < size; n++)
+                       snd_ca0106_i2c_write(chip, i2c_adc_init[n][0],
+                                            i2c_adc_init[n][1]);
+               for (n = 0; n < 4; n++) {
+                       chip->i2c_capture_volume[n][0] = 0xcf;
+                       chip->i2c_capture_volume[n][1] = 0xcf;
                }
-               chip->i2c_capture_source=2; /* Line in */
-               //snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); /* Enable Line-in capture. MIC in currently untested. */
+               chip->i2c_capture_source = 2; /* Line in */
+               /* Enable Line-in capture. MIC in currently untested. */
+               /* snd_ca0106_i2c_write(chip, ADC_MUX, ADC_MUX_LINEIN); */
        }
-        if (chip->details->spi_dac == 1) { /* The SB0570 use SPI to control DAC. */
+
+       if (chip->details->spi_dac == 1) {
+               /* The SB0570 use SPI to control DAC. */
                int size, n;
 
                size = ARRAY_SIZE(spi_dac_init);
@@ -1530,9 +1481,112 @@ static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
                                chip->spi_dac_reg[reg] = spi_dac_init[n];
                }
        }
+}
+
+static void ca0106_stop_chip(struct snd_ca0106 *chip)
+{
+       /* disable interrupts */
+       snd_ca0106_ptr_write(chip, BASIC_INTERRUPT, 0, 0);
+       outl(0, chip->port + INTE);
+       snd_ca0106_ptr_write(chip, EXTENDED_INT_MASK, 0, 0);
+       udelay(1000);
+       /* disable audio */
+       /* outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); */
+       outl(0, chip->port + HCFG);
+       /* FIXME: We need to stop and DMA transfers here.
+        *        But as I am not sure how yet, we cannot from the dma pages.
+        * So we can fix: snd-malloc: Memory leak?  pages not freed = 8
+        */
+}
 
-       if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
-                                 chip, &ops)) < 0) {
+static int __devinit snd_ca0106_create(int dev, struct snd_card *card,
+                                        struct pci_dev *pci,
+                                        struct snd_ca0106 **rchip)
+{
+       struct snd_ca0106 *chip;
+       struct snd_ca0106_details *c;
+       int err;
+       static struct snd_device_ops ops = {
+               .dev_free = snd_ca0106_dev_free,
+       };
+
+       *rchip = NULL;
+
+       err = pci_enable_device(pci);
+       if (err < 0)
+               return err;
+       if (pci_set_dma_mask(pci, DMA_32BIT_MASK) < 0 ||
+           pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) < 0) {
+               printk(KERN_ERR "error to set 32bit mask DMA\n");
+               pci_disable_device(pci);
+               return -ENXIO;
+       }
+
+       chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+       if (chip == NULL) {
+               pci_disable_device(pci);
+               return -ENOMEM;
+       }
+
+       chip->card = card;
+       chip->pci = pci;
+       chip->irq = -1;
+
+       spin_lock_init(&chip->emu_lock);
+
+       chip->port = pci_resource_start(pci, 0);
+       chip->res_port = request_region(chip->port, 0x20, "snd_ca0106");
+       if (!chip->res_port) {
+               snd_ca0106_free(chip);
+               printk(KERN_ERR "cannot allocate the port\n");
+               return -EBUSY;
+       }
+
+       if (request_irq(pci->irq, snd_ca0106_interrupt,
+                       IRQF_SHARED, "snd_ca0106", chip)) {
+               snd_ca0106_free(chip);
+               printk(KERN_ERR "cannot grab irq\n");
+               return -EBUSY;
+       }
+       chip->irq = pci->irq;
+
+       /* This stores the periods table. */
+       if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+                               1024, &chip->buffer) < 0) {
+               snd_ca0106_free(chip);
+               return -ENOMEM;
+       }
+
+       pci_set_master(pci);
+       /* read serial */
+       pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
+       pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
+       printk(KERN_INFO "snd-ca0106: Model %04x Rev %08x Serial %08x\n",
+              chip->model, pci->revision, chip->serial);
+       strcpy(card->driver, "CA0106");
+       strcpy(card->shortname, "CA0106");
+
+       for (c = ca0106_chip_details; c->serial; c++) {
+               if (subsystem[dev]) {
+                       if (c->serial == subsystem[dev])
+                               break;
+               } else if (c->serial == chip->serial)
+                       break;
+       }
+       chip->details = c;
+       if (subsystem[dev]) {
+               printk(KERN_INFO "snd-ca0106: Sound card name=%s, "
+                      "subsystem=0x%x. Forced to subsystem=0x%x\n",
+                      c->name, chip->serial, subsystem[dev]);
+       }
+
+       sprintf(card->longname, "%s at 0x%lx irq %i",
+               c->name, chip->port, chip->irq);
+
+       ca0106_init_chip(chip);
+
+       err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+       if (err < 0) {
                snd_ca0106_free(chip);
                return err;
        }
@@ -1629,7 +1683,7 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
        static int dev;
        struct snd_card *card;
        struct snd_ca0106 *chip;
-       int err;
+       int i, err;
 
        if (dev >= SNDRV_CARDS)
                return -ENODEV;
@@ -1642,44 +1696,30 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
        if (card == NULL)
                return -ENOMEM;
 
-       if ((err = snd_ca0106_create(dev, card, pci, &chip)) < 0) {
-               snd_card_free(card);
-               return err;
-       }
+       err = snd_ca0106_create(dev, card, pci, &chip);
+       if (err < 0)
+               goto error;
 
-       if ((err = snd_ca0106_pcm(chip, 0, NULL)) < 0) {
-               snd_card_free(card);
-               return err;
-       }
-       if ((err = snd_ca0106_pcm(chip, 1, NULL)) < 0) {
-               snd_card_free(card);
-               return err;
-       }
-       if ((err = snd_ca0106_pcm(chip, 2, NULL)) < 0) {
-               snd_card_free(card);
-               return err;
-       }
-       if ((err = snd_ca0106_pcm(chip, 3, NULL)) < 0) {
-               snd_card_free(card);
-               return err;
-       }
-        if (chip->details->ac97 == 1) { /* The SB0410 and SB0413 do not have an AC97 chip. */
-               if ((err = snd_ca0106_ac97(chip)) < 0) {
-                       snd_card_free(card);
-                       return err;
-               }
+       for (i = 0; i < 4; i++) {
+               err = snd_ca0106_pcm(chip, i);
+               if (err < 0)
+                       goto error;
        }
-       if ((err = snd_ca0106_mixer(chip)) < 0) {
-               snd_card_free(card);
-               return err;
+
+       if (chip->details->ac97 == 1) {
+               /* The SB0410 and SB0413 do not have an AC97 chip. */
+               err = snd_ca0106_ac97(chip);
+               if (err < 0)
+                       goto error;
        }
+       err = snd_ca0106_mixer(chip);
+       if (err < 0)
+               goto error;
 
        snd_printdd("ca0106: probe for MIDI channel A ...");
-       if ((err = snd_ca0106_midi(chip,CA0106_MIDI_CHAN_A)) < 0) {
-               snd_card_free(card);
-               snd_printdd(" failed, err=0x%x\n",err);
-               return err;
-       }
+       err = snd_ca0106_midi(chip, CA0106_MIDI_CHAN_A);
+       if (err < 0)
+               goto error;
        snd_printdd(" done.\n");
 
 #ifdef CONFIG_PROC_FS
@@ -1688,14 +1728,17 @@ static int __devinit snd_ca0106_probe(struct pci_dev *pci,
 
        snd_card_set_dev(card, &pci->dev);
 
-       if ((err = snd_card_register(card)) < 0) {
-               snd_card_free(card);
-               return err;
-       }
+       err = snd_card_register(card);
+       if (err < 0)
+               goto error;
 
        pci_set_drvdata(pci, card);
        dev++;
        return 0;
+
+ error:
+       snd_card_free(card);
+       return err;
 }
 
 static void __devexit snd_ca0106_remove(struct pci_dev *pci)
@@ -1704,6 +1747,52 @@ static void __devexit snd_ca0106_remove(struct pci_dev *pci)
        pci_set_drvdata(pci, NULL);
 }
 
+#ifdef CONFIG_PM
+static int snd_ca0106_suspend(struct pci_dev *pci, pm_message_t state)
+{
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct snd_ca0106 *chip = card->private_data;
+       int i;
+
+       snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+       for (i = 0; i < 4; i++)
+               snd_pcm_suspend_all(chip->pcm[i]);
+       snd_ac97_suspend(chip->ac97);
+       snd_ca0106_mixer_suspend(chip);
+
+       ca0106_stop_chip(chip);
+
+       pci_disable_device(pci);
+       pci_save_state(pci);
+       pci_set_power_state(pci, pci_choose_state(pci, state));
+       return 0;
+}
+
+static int snd_ca0106_resume(struct pci_dev *pci)
+{
+       struct snd_card *card = pci_get_drvdata(pci);
+       struct snd_ca0106 *chip = card->private_data;
+       int i;
+
+       pci_set_power_state(pci, PCI_D0);
+       pci_restore_state(pci);
+       pci_enable_device(pci);
+       pci_set_master(pci);
+
+       ca0106_init_chip(chip);
+
+       snd_ac97_resume(chip->ac97);
+       snd_ca0106_mixer_resume(chip);
+       if (chip->details->spi_dac) {
+               for (i = 0; i < ARRAY_SIZE(chip->spi_dac_reg); i++)
+                       snd_ca0106_spi_write(chip, chip->spi_dac_reg[i]);
+       }
+
+       snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+       return 0;
+}
+#endif
+
 // PCI IDs
 static struct pci_device_id snd_ca0106_ids[] = {
        { 0x1102, 0x0007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },    /* Audigy LS or Live 24bit */
@@ -1717,6 +1806,10 @@ static struct pci_driver driver = {
        .id_table = snd_ca0106_ids,
        .probe = snd_ca0106_probe,
        .remove = __devexit_p(snd_ca0106_remove),
+#ifdef CONFIG_PM
+       .suspend = snd_ca0106_suspend,
+       .resume = snd_ca0106_resume,
+#endif
 };
 
 // initialization of the module
index 3025ed1..cccc32c 100644 (file)
 
 #include "ca0106.h"
 
+static void ca0106_spdif_enable(struct snd_ca0106 *emu)
+{
+       unsigned int val;
+
+       if (emu->spdif_enable) {
+               /* Digital */
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
+               val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000;
+               snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+               val = inl(emu->port + GPIO) & ~0x101;
+               outl(val, emu->port + GPIO);
+
+       } else {
+               /* Analog */
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
+               snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
+               val = snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000;
+               snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0, val);
+               val = inl(emu->port + GPIO) | 0x101;
+               outl(val, emu->port + GPIO);
+       }
+}
+
+static void ca0106_set_capture_source(struct snd_ca0106 *emu)
+{
+       unsigned int val = emu->capture_source;
+       unsigned int source, mask;
+       source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
+       mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
+       snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+}
+
+static void ca0106_set_i2c_capture_source(struct snd_ca0106 *emu,
+                                         unsigned int val, int force)
+{
+       unsigned int ngain, ogain;
+       u32 source;
+
+       snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
+       ngain = emu->i2c_capture_volume[val][0]; /* Left */
+       ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
+       if (force || ngain != ogain)
+               snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ngain & 0xff);
+       ngain = emu->i2c_capture_volume[val][1]; /* Right */
+       ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Right */
+       if (force || ngain != ogain)
+               snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ngain & 0xff);
+       source = 1 << val;
+       snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
+       emu->i2c_capture_source = val;
+}
+
+static void ca0106_set_capture_mic_line_in(struct snd_ca0106 *emu)
+{
+       u32 tmp;
+
+       if (emu->capture_mic_line_in) {
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
+               tmp = inl(emu->port+GPIO) & ~0x400;
+               tmp = tmp | 0x400;
+               outl(tmp, emu->port+GPIO);
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC); */
+       } else {
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, 0); */ /* Mute input */
+               tmp = inl(emu->port+GPIO) & ~0x400;
+               outl(tmp, emu->port+GPIO);
+               /* snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN); */
+       }
+}
+
+static void ca0106_set_spdif_bits(struct snd_ca0106 *emu, int idx)
+{
+       snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, emu->spdif_bits[idx]);
+}
+
+/*
+ */
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale1, -5175, 25, 1);
 static const DECLARE_TLV_DB_SCALE(snd_ca0106_db_scale2, -10350, 50, 1);
 
@@ -95,30 +173,12 @@ static int snd_ca0106_shared_spdif_put(struct snd_kcontrol *kcontrol,
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int val;
        int change = 0;
-       u32 mask;
 
        val = !!ucontrol->value.integer.value[0];
        change = (emu->spdif_enable != val);
        if (change) {
                emu->spdif_enable = val;
-               if (val) {
-                       /* Digital */
-                       snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
-                       snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x0b000000);
-                       snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
-                               snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) & ~0x1000);
-                       mask = inl(emu->port + GPIO) & ~0x101;
-                       outl(mask, emu->port + GPIO);
-
-               } else {
-                       /* Analog */
-                       snd_ca0106_ptr_write(emu, SPDIF_SELECT1, 0, 0xf);
-                       snd_ca0106_ptr_write(emu, SPDIF_SELECT2, 0, 0x000f0000);
-                       snd_ca0106_ptr_write(emu, CAPTURE_CONTROL, 0,
-                               snd_ca0106_ptr_read(emu, CAPTURE_CONTROL, 0) | 0x1000);
-                       mask = inl(emu->port + GPIO) | 0x101;
-                       outl(mask, emu->port + GPIO);
-               }
+               ca0106_spdif_enable(emu);
        }
         return change;
 }
@@ -154,8 +214,6 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int val;
        int change = 0;
-       u32 mask;
-       u32 source;
 
        val = ucontrol->value.enumerated.item[0] ;
        if (val >= 6)
@@ -163,9 +221,7 @@ static int snd_ca0106_capture_source_put(struct snd_kcontrol *kcontrol,
        change = (emu->capture_source != val);
        if (change) {
                emu->capture_source = val;
-               source = (val << 28) | (val << 24) | (val << 20) | (val << 16);
-               mask = snd_ca0106_ptr_read(emu, CAPTURE_SOURCE, 0) & 0xffff;
-               snd_ca0106_ptr_write(emu, CAPTURE_SOURCE, 0, source | mask);
+               ca0106_set_capture_source(emu);
        }
         return change;
 }
@@ -200,9 +256,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
 {
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int source_id;
-       unsigned int ngain, ogain;
        int change = 0;
-       u32 source;
        /* If the capture source has changed,
         * update the capture volume from the cached value
         * for the particular source.
@@ -212,18 +266,7 @@ static int snd_ca0106_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
                return -EINVAL;
        change = (emu->i2c_capture_source != source_id);
        if (change) {
-               snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
-               ngain = emu->i2c_capture_volume[source_id][0]; /* Left */
-               ogain = emu->i2c_capture_volume[emu->i2c_capture_source][0]; /* Left */
-               if (ngain != ogain)
-                       snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff));
-               ngain = emu->i2c_capture_volume[source_id][1]; /* Left */
-               ogain = emu->i2c_capture_volume[emu->i2c_capture_source][1]; /* Left */
-               if (ngain != ogain)
-                       snd_ca0106_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
-               source = 1 << source_id;
-               snd_ca0106_i2c_write(emu, ADC_MUX, source); /* Set source */
-               emu->i2c_capture_source = source_id;
+               ca0106_set_i2c_capture_source(emu, source_id, 0);
        }
         return change;
 }
@@ -271,7 +314,6 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
        struct snd_ca0106 *emu = snd_kcontrol_chip(kcontrol);
        unsigned int val;
        int change = 0;
-       u32 tmp;
 
        val = ucontrol->value.enumerated.item[0] ;
        if (val > 1)
@@ -279,18 +321,7 @@ static int snd_ca0106_capture_mic_line_in_put(struct snd_kcontrol *kcontrol,
        change = (emu->capture_mic_line_in != val);
        if (change) {
                emu->capture_mic_line_in = val;
-               if (val) {
-                       //snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
-                       tmp = inl(emu->port+GPIO) & ~0x400;
-                       tmp = tmp | 0x400;
-                       outl(tmp, emu->port+GPIO);
-                       //snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_MIC);
-               } else {
-                       //snd_ca0106_i2c_write(emu, ADC_MUX, 0); /* Mute input */
-                       tmp = inl(emu->port+GPIO) & ~0x400;
-                       outl(tmp, emu->port+GPIO);
-                       //snd_ca0106_i2c_write(emu, ADC_MUX, ADC_MUX_LINEIN);
-               }
+               ca0106_set_capture_mic_line_in(emu);
        }
         return change;
 }
@@ -359,8 +390,8 @@ static int snd_ca0106_spdif_put(struct snd_kcontrol *kcontrol,
              (ucontrol->value.iec958.status[3] << 24);
        change = val != emu->spdif_bits[idx];
        if (change) {
-               snd_ca0106_ptr_write(emu, SPCS0 + idx, 0, val);
                emu->spdif_bits[idx] = val;
+               ca0106_set_spdif_bits(emu, idx);
        }
         return change;
 }
@@ -773,3 +804,50 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)
         return 0;
 }
 
+#ifdef CONFIG_PM
+struct ca0106_vol_tbl {
+       unsigned int reg;
+       unsigned int channel_id;
+};
+
+static struct ca0106_vol_tbl saved_volumes[NUM_SAVED_VOLUMES] = {
+       { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2 },
+       { CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1 },
+       { CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1 },
+       { CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1 },
+       { CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1 },
+       { 1, CAPTURE_CONTROL },
+};
+
+void snd_ca0106_mixer_suspend(struct snd_ca0106 *chip)
+{
+       int i;
+
+       /* save volumes */
+       for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+               chip->saved_vol[i] =
+                       snd_ca0106_ptr_read(chip, saved_volumes[i].reg,
+                                           saved_volumes[i].channel_id);
+}
+
+void snd_ca0106_mixer_resume(struct snd_ca0106  *chip)
+{
+       int i;
+
+       for (i = 0; i < NUM_SAVED_VOLUMES; i++)
+               snd_ca0106_ptr_write(chip, saved_volumes[i].reg,
+                                    saved_volumes[i].channel_id,
+                                    chip->saved_vol[i]);
+
+       ca0106_spdif_enable(chip);
+       ca0106_set_capture_source(chip);
+       ca0106_set_i2c_capture_source(chip, chip->i2c_capture_source, 1);
+       for (i = 0; i < 4; i++)
+               ca0106_set_spdif_bits(chip, i);
+       if (chip->details->i2c_adc)
+               ca0106_set_capture_mic_line_in(chip);
+}
+#endif /* CONFIG_PM */