ALSA: ice1712: add suspend support for ICE1712 chip
[deliverable/linux.git] / sound / pci / ice1712 / ice1712.c
index 28ec872e54c01350369bf47f143db9c2d5da8b8d..291672fc4a99f2428c171c9a57955280776df209 100644 (file)
@@ -394,7 +394,7 @@ int snd_ice1712_init_cs8427(struct snd_ice1712 *ice, int addr)
        err = snd_cs8427_create(ice->i2c, addr,
                (ice->cs8427_timeout * HZ) / 1000, &ice->cs8427);
        if (err < 0) {
-               snd_printk(KERN_ERR "CS8427 initialization failed\n");
+               dev_err(ice->card->dev, "CS8427 initialization failed\n");
                return err;
        }
        ice->spdif.ops.open = open_cs8427;
@@ -467,7 +467,7 @@ static irqreturn_t snd_ice1712_interrupt(int irq, void *dev_id)
                        u16 pbkstatus;
                        struct snd_pcm_substream *substream;
                        pbkstatus = inw(ICEDS(ice, INTSTAT));
-                       /* printk(KERN_DEBUG "pbkstatus = 0x%x\n", pbkstatus); */
+                       /* dev_dbg(ice->card->dev, "pbkstatus = 0x%x\n", pbkstatus); */
                        for (idx = 0; idx < 6; idx++) {
                                if ((pbkstatus & (3 << (idx * 2))) == 0)
                                        continue;
@@ -903,7 +903,8 @@ static int snd_ice1712_pcm(struct snd_ice1712 *ice, int device, struct snd_pcm *
        if (rpcm)
                *rpcm = pcm;
 
-       printk(KERN_WARNING "Consumer PCM code does not work well at the moment --jk\n");
+       dev_warn(ice->card->dev,
+                "Consumer PCM code does not work well at the moment --jk\n");
 
        return 0;
 }
@@ -1534,7 +1535,8 @@ static int snd_ice1712_ac97_mixer(struct snd_ice1712 *ice)
                ac97.private_free = snd_ice1712_mixer_free_ac97;
                err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
                if (err < 0)
-                       printk(KERN_WARNING "ice1712: cannot initialize ac97 for consumer, skipped\n");
+                       dev_warn(ice->card->dev,
+                                "cannot initialize ac97 for consumer, skipped\n");
                else {
                        err = snd_ctl_add(ice->card, snd_ctl_new1(&snd_ice1712_mixer_digmix_route_ac97, ice));
                        if (err < 0)
@@ -1552,7 +1554,8 @@ static int snd_ice1712_ac97_mixer(struct snd_ice1712 *ice)
                ac97.private_free = snd_ice1712_mixer_free_ac97;
                err = snd_ac97_mixer(pbus, &ac97, &ice->ac97);
                if (err < 0)
-                       printk(KERN_WARNING "ice1712: cannot initialize pro ac97, skipped\n");
+                       dev_warn(ice->card->dev,
+                                "cannot initialize pro ac97, skipped\n");
                else
                        return 0;
        }
@@ -2332,7 +2335,8 @@ static int snd_ice1712_read_eeprom(struct snd_ice1712 *ice,
                        pci_read_config_word(ice->pci, PCI_SUBSYSTEM_ID, &device);
                        ice->eeprom.subvendor = ((unsigned int)swab16(vendor) << 16) | swab16(device);
                        if (ice->eeprom.subvendor == 0 || ice->eeprom.subvendor == (unsigned int)-1) {
-                               printk(KERN_ERR "ice1712: No valid ID is found\n");
+                               dev_err(ice->card->dev,
+                                       "No valid ID is found\n");
                                return -ENXIO;
                        }
                }
@@ -2340,21 +2344,22 @@ static int snd_ice1712_read_eeprom(struct snd_ice1712 *ice,
        for (tbl = card_tables; *tbl; tbl++) {
                for (c = *tbl; c->subvendor; c++) {
                        if (modelname && c->model && !strcmp(modelname, c->model)) {
-                               printk(KERN_INFO "ice1712: Using board model %s\n", c->name);
+                               dev_info(ice->card->dev,
+                                        "Using board model %s\n", c->name);
                                ice->eeprom.subvendor = c->subvendor;
                        } else if (c->subvendor != ice->eeprom.subvendor)
                                continue;
                        if (!c->eeprom_size || !c->eeprom_data)
                                goto found;
                        /* if the EEPROM is given by the driver, use it */
-                       snd_printdd("using the defined eeprom..\n");
+                       dev_dbg(ice->card->dev, "using the defined eeprom..\n");
                        ice->eeprom.version = 1;
                        ice->eeprom.size = c->eeprom_size + 6;
                        memcpy(ice->eeprom.data, c->eeprom_data, c->eeprom_size);
                        goto read_skipped;
                }
        }
-       printk(KERN_WARNING "ice1712: No matching model found for ID 0x%x\n",
+       dev_warn(ice->card->dev, "No matching model found for ID 0x%x\n",
               ice->eeprom.subvendor);
 
  found:
@@ -2362,12 +2367,13 @@ static int snd_ice1712_read_eeprom(struct snd_ice1712 *ice,
        if (ice->eeprom.size < 6)
                ice->eeprom.size = 32; /* FIXME: any cards without the correct size? */
        else if (ice->eeprom.size > 32) {
-               snd_printk(KERN_ERR "invalid EEPROM (size = %i)\n", ice->eeprom.size);
+               dev_err(ice->card->dev,
+                       "invalid EEPROM (size = %i)\n", ice->eeprom.size);
                return -EIO;
        }
        ice->eeprom.version = snd_ice1712_read_i2c(ice, dev, 0x05);
        if (ice->eeprom.version != 1) {
-               snd_printk(KERN_ERR "invalid EEPROM version %i\n",
+               dev_err(ice->card->dev, "invalid EEPROM version %i\n",
                           ice->eeprom.version);
                /* return -EIO; */
        }
@@ -2428,6 +2434,13 @@ static int snd_ice1712_chip_init(struct snd_ice1712 *ice)
                snd_ice1712_write(ice, ICE1712_IREG_CONSUMER_POWERDOWN, 0);
        }
        snd_ice1712_set_pro_rate(ice, 48000, 1);
+       /* unmask used interrupts */
+       outb(((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_2xMPU401) == 0 ?
+             ICE1712_IRQ_MPU2 : 0) |
+            ((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97) ?
+             ICE1712_IRQ_PBKDS | ICE1712_IRQ_CONCAP | ICE1712_IRQ_CONPBK : 0),
+            ICEREG(ice, IRQMASK));
+       outb(0x00, ICEMT(ice, IRQ));
 
        return 0;
 }
@@ -2553,7 +2566,8 @@ static int snd_ice1712_create(struct snd_card *card,
        /* check, if we can restrict PCI DMA transfers to 28 bits */
        if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
            pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
-               snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n");
+               dev_err(card->dev,
+                       "architecture does not support 28bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
        }
@@ -2589,6 +2603,7 @@ static int snd_ice1712_create(struct snd_card *card,
        ice->pci = pci;
        ice->irq = -1;
        pci_set_master(pci);
+       /* disable legacy emulation */
        pci_write_config_word(ice->pci, 0x40, 0x807f);
        pci_write_config_word(ice->pci, 0x42, 0x0006);
        snd_ice1712_proc_init(ice);
@@ -2609,7 +2624,7 @@ static int snd_ice1712_create(struct snd_card *card,
 
        if (request_irq(pci->irq, snd_ice1712_interrupt, IRQF_SHARED,
                        KBUILD_MODNAME, ice)) {
-               snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
+               dev_err(card->dev, "unable to grab IRQ %d\n", pci->irq);
                snd_ice1712_free(ice);
                return -EIO;
        }
@@ -2625,22 +2640,12 @@ static int snd_ice1712_create(struct snd_card *card,
                return -EIO;
        }
 
-       /* unmask used interrupts */
-       outb(((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_2xMPU401) == 0 ?
-             ICE1712_IRQ_MPU2 : 0) |
-            ((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97) ?
-             ICE1712_IRQ_PBKDS | ICE1712_IRQ_CONCAP | ICE1712_IRQ_CONPBK : 0),
-            ICEREG(ice, IRQMASK));
-       outb(0x00, ICEMT(ice, IRQ));
-
        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops);
        if (err < 0) {
                snd_ice1712_free(ice);
                return err;
        }
 
-       snd_card_set_dev(card, &pci->dev);
-
        *r_ice1712 = ice;
        return 0;
 }
@@ -2670,7 +2675,8 @@ static int snd_ice1712_probe(struct pci_dev *pci,
                return -ENOENT;
        }
 
-       err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
+       err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+                          0, &card);
        if (err < 0)
                return err;
 
@@ -2809,11 +2815,80 @@ static void snd_ice1712_remove(struct pci_dev *pci)
        snd_card_free(card);
 }
 
+#ifdef CONFIG_PM_SLEEP
+static int snd_ice1712_suspend(struct device *dev)
+{
+       struct pci_dev *pci = to_pci_dev(dev);
+       struct snd_card *card = dev_get_drvdata(dev);
+       struct snd_ice1712 *ice = card->private_data;
+
+       if (!ice->pm_suspend_enabled)
+               return 0;
+
+       snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+       snd_pcm_suspend_all(ice->pcm);
+       snd_pcm_suspend_all(ice->pcm_pro);
+       snd_pcm_suspend_all(ice->pcm_ds);
+       snd_ac97_suspend(ice->ac97);
+
+       if (ice->pm_suspend)
+               ice->pm_suspend(ice);
+
+       pci_disable_device(pci);
+       pci_save_state(pci);
+       pci_set_power_state(pci, PCI_D3hot);
+       return 0;
+}
+
+static int snd_ice1712_resume(struct device *dev)
+{
+       struct pci_dev *pci = to_pci_dev(dev);
+       struct snd_card *card = dev_get_drvdata(dev);
+       struct snd_ice1712 *ice = card->private_data;
+
+       if (!ice->pm_suspend_enabled)
+               return 0;
+
+       pci_set_power_state(pci, PCI_D0);
+       pci_restore_state(pci);
+
+       if (pci_enable_device(pci) < 0) {
+               snd_card_disconnect(card);
+               return -EIO;
+       }
+
+       pci_set_master(pci);
+
+       if (snd_ice1712_chip_init(ice) < 0) {
+               snd_card_disconnect(card);
+               return -EIO;
+       }
+
+       if (ice->pm_resume)
+               ice->pm_resume(ice);
+
+       if (ice->ac97)
+               snd_ac97_resume(ice->ac97);
+
+       snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+       return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(snd_ice1712_pm, snd_ice1712_suspend, snd_ice1712_resume);
+#define SND_VT1712_PM_OPS      &snd_ice1712_pm
+#else
+#define SND_VT1712_PM_OPS      NULL
+#endif /* CONFIG_PM_SLEEP */
+
 static struct pci_driver ice1712_driver = {
        .name = KBUILD_MODNAME,
        .id_table = snd_ice1712_ids,
        .probe = snd_ice1712_probe,
        .remove = snd_ice1712_remove,
+       .driver = {
+               .pm = SND_VT1712_PM_OPS,
+       },
 };
 
 module_pci_driver(ice1712_driver);
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