/*
* Driver for AMD7930 sound chips found on Sparcs.
- * Copyright (C) 2002 David S. Miller <davem@redhat.com>
+ * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net>
*
* Based entirely upon drivers/sbus/audio/amd7930.c which is:
* Copyright (C) 1996,1997 Thomas K. Dyas (tdyas@eden.rutgers.edu)
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
-#include <sound/driver.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/info.h>
#include <asm/io.h>
#include <asm/irq.h>
-#include <asm/sbus.h>
#include <asm/prom.h>
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
int pgain;
int mgain;
+ struct of_device *op;
unsigned int irq;
- unsigned int regs_size;
struct snd_amd7930 *next;
};
__amd7930_write_map(amd);
}
-static irqreturn_t snd_amd7930_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t snd_amd7930_interrupt(int irq, void *dev_id)
{
struct snd_amd7930 *amd = dev_id;
unsigned int elapsed;
.pointer = snd_amd7930_capture_pointer,
};
-static int __init snd_amd7930_pcm(struct snd_amd7930 *amd)
+static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd)
{
struct snd_pcm *pcm;
int err;
/* playback count */ 1,
/* capture count */ 1, &pcm)) < 0)
return err;
- snd_assert(pcm != NULL, return -EINVAL);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_amd7930_playback_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_amd7930_capture_ops);
static int snd_amd7930_info_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo)
{
- int type = kctl->private_value;
-
- snd_assert(type == VOLUME_MONITOR ||
- type == VOLUME_CAPTURE ||
- type == VOLUME_PLAYBACK, return -EINVAL);
- (void) type;
-
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
uinfo->value.integer.min = 0;
int type = kctl->private_value;
int *swval;
- snd_assert(type == VOLUME_MONITOR ||
- type == VOLUME_CAPTURE ||
- type == VOLUME_PLAYBACK, return -EINVAL);
-
switch (type) {
case VOLUME_MONITOR:
swval = &amd->mgain;
int type = kctl->private_value;
int *swval, change;
- snd_assert(type == VOLUME_MONITOR ||
- type == VOLUME_CAPTURE ||
- type == VOLUME_PLAYBACK, return -EINVAL);
-
switch (type) {
case VOLUME_MONITOR:
swval = &amd->mgain;
spin_lock_irqsave(&amd->lock, flags);
if (*swval != ucontrol->value.integer.value[0]) {
- *swval = ucontrol->value.integer.value[0];
+ *swval = ucontrol->value.integer.value[0] & 0xff;
__amd7930_update_map(amd);
change = 1;
} else
return change;
}
-static struct snd_kcontrol_new amd7930_controls[] __initdata = {
+static struct snd_kcontrol_new amd7930_controls[] __devinitdata = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitor Volume",
},
};
-static int __init snd_amd7930_mixer(struct snd_amd7930 *amd)
+static int __devinit snd_amd7930_mixer(struct snd_amd7930 *amd)
{
struct snd_card *card;
int idx, err;
- snd_assert(amd != NULL && amd->card != NULL, return -EINVAL);
+ if (snd_BUG_ON(!amd || !amd->card))
+ return -EINVAL;
card = amd->card;
strcpy(card->mixername, card->shortname);
static int snd_amd7930_free(struct snd_amd7930 *amd)
{
+ struct of_device *op = amd->op;
+
amd7930_idle(amd);
if (amd->irq)
free_irq(amd->irq, amd);
if (amd->regs)
- sbus_iounmap(amd->regs, amd->regs_size);
+ of_iounmap(&op->resource[0], amd->regs,
+ resource_size(&op->resource[0]));
kfree(amd);
.dev_free = snd_amd7930_dev_free,
};
-static int __init snd_amd7930_create(struct snd_card *card,
- struct resource *rp,
- unsigned int reg_size,
- int irq, int dev,
- struct snd_amd7930 **ramd)
+static int __devinit snd_amd7930_create(struct snd_card *card,
+ struct of_device *op,
+ int irq, int dev,
+ struct snd_amd7930 **ramd)
{
- unsigned long flags;
struct snd_amd7930 *amd;
+ unsigned long flags;
int err;
*ramd = NULL;
spin_lock_init(&amd->lock);
amd->card = card;
- amd->regs_size = reg_size;
+ amd->op = op;
- amd->regs = sbus_ioremap(rp, 0, amd->regs_size, "amd7930");
+ amd->regs = of_ioremap(&op->resource[0], 0,
+ resource_size(&op->resource[0]), "amd7930");
if (!amd->regs) {
- snd_printk("amd7930-%d: Unable to map chip registers.\n", dev);
+ snd_printk(KERN_ERR
+ "amd7930-%d: Unable to map chip registers.\n", dev);
return -EIO;
}
if (request_irq(irq, snd_amd7930_interrupt,
IRQF_DISABLED | IRQF_SHARED, "amd7930", amd)) {
- snd_printk("amd7930-%d: Unable to grab IRQ %d\n",
+ snd_printk(KERN_ERR "amd7930-%d: Unable to grab IRQ %d\n",
dev, irq);
snd_amd7930_free(amd);
return -EBUSY;
return 0;
}
-static int __init amd7930_attach_common(struct resource *rp, int irq)
+static int __devinit amd7930_sbus_probe(struct of_device *op, const struct of_device_id *match)
{
+ struct resource *rp = &op->resource[0];
static int dev_num;
struct snd_card *card;
struct snd_amd7930 *amd;
- int err;
+ int err, irq;
+
+ irq = op->irqs[0];
if (dev_num >= SNDRV_CARDS)
return -ENODEV;
return -ENOENT;
}
- card = snd_card_new(index[dev_num], id[dev_num], THIS_MODULE, 0);
- if (card == NULL)
- return -ENOMEM;
+ err = snd_card_create(index[dev_num], id[dev_num], THIS_MODULE, 0,
+ &card);
+ if (err < 0)
+ return err;
strcpy(card->driver, "AMD7930");
strcpy(card->shortname, "Sun AMD7930");
- sprintf(card->longname, "%s at 0x%02lx:0x%08lx, irq %d",
+ sprintf(card->longname, "%s at 0x%02lx:0x%08Lx, irq %d",
card->shortname,
rp->flags & 0xffL,
- rp->start,
+ (unsigned long long)rp->start,
irq);
- if ((err = snd_amd7930_create(card, rp,
- (rp->end - rp->start) + 1,
+ if ((err = snd_amd7930_create(card, op,
irq, dev_num, &amd)) < 0)
goto out_err;
return err;
}
-static int __init amd7930_obio_attach(struct device_node *dp)
-{
- struct linux_prom_registers *regs;
- struct linux_prom_irqs *irqp;
- struct resource res, *rp;
- int len;
-
- irqp = of_get_property(dp, "intr", &len);
- if (!irqp) {
- snd_printk("%s: Firmware node lacks IRQ property.\n",
- dp->full_name);
- return -ENODEV;
- }
-
- regs = of_get_property(dp, "reg", &len);
- if (!regs) {
- snd_printk("%s: Firmware node lacks register property.\n",
- dp->full_name);
- return -ENODEV;
- }
-
- rp = &res;
- rp->start = regs->phys_addr;
- rp->end = rp->start + regs->reg_size - 1;
- rp->flags = IORESOURCE_IO | (regs->which_io & 0xff);
-
- return amd7930_attach_common(rp, irqp->pri);
-}
-
-static int __devinit amd7930_sbus_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct sbus_dev *sdev = to_sbus_device(&dev->dev);
-
- return amd7930_attach_common(&sdev->resource[0], sdev->irqs[0]);
-}
-
-static struct of_device_id amd7930_match[] = {
+static const struct of_device_id amd7930_match[] = {
{
.name = "audio",
},
static int __init amd7930_init(void)
{
- struct device_node *dp;
-
- /* Try to find the sun4c "audio" node first. */
- dp = of_find_node_by_path("/");
- dp = dp->child;
- while (dp) {
- if (!strcmp(dp->name, "audio"))
- amd7930_obio_attach(dp);
-
- dp = dp->sibling;
- }
-
- /* Probe each SBUS for amd7930 chips. */
- return of_register_driver(&amd7930_sbus_driver, &sbus_bus_type);
+ return of_register_driver(&amd7930_sbus_driver, &of_bus_type);
}
static void __exit amd7930_exit(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff