[IPG]: add IP1000A driver to kernel tree

[linux-2.6-omap-h63xx.git] / sound / pci / atiixp.c

diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index 476c3433073e9c1d78dfbeb8a737adb3c06f941c..89184a424140232e91f0c832360593fbda21a5fe 100644 (file)
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -45,6 +45,7 @@ static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
 static int ac97_clock = 48000;
 static char *ac97_quirk;
 static int spdif_aclink = 1;
+static int ac97_codec = -1;
 
 module_param(index, int, 0444);
 MODULE_PARM_DESC(index, "Index value for ATI IXP controller.");
@@ -54,6 +55,8 @@ module_param(ac97_clock, int, 0444);
 MODULE_PARM_DESC(ac97_clock, "AC'97 codec clock (default 48000Hz).");
 module_param(ac97_quirk, charp, 0444);
 MODULE_PARM_DESC(ac97_quirk, "AC'97 workaround for strange hardware.");
+module_param(ac97_codec, int, 0444);
+MODULE_PARM_DESC(ac97_codec, "Specify codec instead of probing.");
 module_param(spdif_aclink, bool, 0444);
 MODULE_PARM_DESC(spdif_aclink, "S/PDIF over AC-link.");
 
@@ -293,6 +296,10 @@ static struct pci_device_id snd_atiixp_ids[] = {
 
 MODULE_DEVICE_TABLE(pci, snd_atiixp_ids);
 
+static struct snd_pci_quirk atiixp_quirks[] __devinitdata = {
+       SND_PCI_QUIRK(0x15bd, 0x3100, "DFI RS482", 0),
+       { } /* terminator */
+};
 
 /*
  * lowlevel functions
@@ -553,11 +560,33 @@ static int snd_atiixp_aclink_down(struct atiixp *chip)
             ATI_REG_ISR_CODEC2_NOT_READY)
 #define CODEC_CHECK_BITS (ALL_CODEC_NOT_READY|ATI_REG_ISR_NEW_FRAME)
 
+static int ac97_probing_bugs(struct pci_dev *pci)
+{
+       const struct snd_pci_quirk *q;
+
+       q = snd_pci_quirk_lookup(pci, atiixp_quirks);
+       if (q) {
+               snd_printdd(KERN_INFO "Atiixp quirk for %s.  "
+                           "Forcing codec %d\n", q->name, q->value);
+               return q->value;
+       }
+       /* this hardware doesn't need workarounds.  Probe for codec */
+       return -1;
+}
+
 static int snd_atiixp_codec_detect(struct atiixp *chip)
 {
        int timeout;
 
        chip->codec_not_ready_bits = 0;
+       if (ac97_codec == -1)
+               ac97_codec = ac97_probing_bugs(chip->pci);
+       if (ac97_codec >= 0) {
+               chip->codec_not_ready_bits |= 
+                       CODEC_CHECK_BITS ^ (1 << (ac97_codec + 10));
+               return 0;
+       }
+
        atiixp_write(chip, IER, CODEC_CHECK_BITS);
        /* wait for the interrupts */
        timeout = 50;
@@ -1396,7 +1425,7 @@ static int __devinit snd_atiixp_mixer_new(struct atiixp *chip, int clock,
                ac97.private_data = chip;
                ac97.pci = chip->pci;
                ac97.num = i;
-               ac97.scaps = AC97_SCAP_SKIP_MODEM;
+               ac97.scaps = AC97_SCAP_SKIP_MODEM | AC97_SCAP_POWER_SAVE;
                if (! chip->spdif_over_aclink)
                        ac97.scaps |= AC97_SCAP_NO_SPDIF;
                if ((err = snd_ac97_mixer(pbus, &ac97, &chip->ac97[i])) < 0) {
@@ -1610,15 +1639,12 @@ static int __devinit snd_atiixp_probe(struct pci_dev *pci,
 {
        struct snd_card *card;
        struct atiixp *chip;
-       unsigned char revision;
        int err;
 
        card = snd_card_new(index, id, THIS_MODULE, 0);
        if (card == NULL)
                return -ENOMEM;
 
-       pci_read_config_byte(pci, PCI_REVISION_ID, &revision);
-
        strcpy(card->driver, spdif_aclink ? "ATIIXP" : "ATIIXP-SPDMA");
        strcpy(card->shortname, "ATI IXP");
        if ((err = snd_atiixp_create(card, pci, &chip)) < 0)
@@ -1641,7 +1667,8 @@ static int __devinit snd_atiixp_probe(struct pci_dev *pci,
        snd_atiixp_chip_start(chip);
 
        snprintf(card->longname, sizeof(card->longname),
-                "%s rev %x with %s at %#lx, irq %i", card->shortname, revision,
+                "%s rev %x with %s at %#lx, irq %i", card->shortname,
+                pci->revision,
                 chip->ac97[0] ? snd_ac97_get_short_name(chip->ac97[0]) : "?",
                 chip->addr, chip->irq);