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Diffstat (limited to 'sound/sparc/amd7930.c')
-rw-r--r--sound/sparc/amd7930.c314
1 files changed, 132 insertions, 182 deletions
diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c
index 46d504ba7e0..4a85e143347 100644
--- a/sound/sparc/amd7930.c
+++ b/sound/sparc/amd7930.c
@@ -1,6 +1,6 @@
/*
* 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)
@@ -35,8 +35,9 @@
#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>
@@ -45,11 +46,11 @@
#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 */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; /* Enable this card */
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Sun AMD7930 soundcard.");
@@ -311,7 +312,7 @@ struct amd7930_map {
#define AMR_PP_PPCR2 0xC8
#define AMR_PP_PPCR3 0xC9
-typedef struct snd_amd7930 {
+struct snd_amd7930 {
spinlock_t lock;
void __iomem *regs;
u32 flags;
@@ -320,10 +321,10 @@ typedef struct snd_amd7930 {
struct amd7930_map map;
- snd_card_t *card;
- snd_pcm_t *pcm;
- snd_pcm_substream_t *playback_substream;
- snd_pcm_substream_t *capture_substream;
+ struct snd_card *card;
+ struct snd_pcm *pcm;
+ struct snd_pcm_substream *playback_substream;
+ struct snd_pcm_substream *capture_substream;
/* Playback/Capture buffer state. */
unsigned char *p_orig, *p_cur;
@@ -335,16 +336,15 @@ typedef struct snd_amd7930 {
int pgain;
int mgain;
- struct sbus_dev *sdev;
+ struct platform_device *op;
unsigned int irq;
- unsigned int regs_size;
struct snd_amd7930 *next;
-} amd7930_t;
+};
-static amd7930_t *amd7930_list;
+static struct snd_amd7930 *amd7930_list;
/* Idle the AMD7930 chip. The amd->lock is not held. */
-static __inline__ void amd7930_idle(amd7930_t *amd)
+static __inline__ void amd7930_idle(struct snd_amd7930 *amd)
{
unsigned long flags;
@@ -355,7 +355,7 @@ static __inline__ void amd7930_idle(amd7930_t *amd)
}
/* Enable chip interrupts. The amd->lock is not held. */
-static __inline__ void amd7930_enable_ints(amd7930_t *amd)
+static __inline__ void amd7930_enable_ints(struct snd_amd7930 *amd)
{
unsigned long flags;
@@ -366,7 +366,7 @@ static __inline__ void amd7930_enable_ints(amd7930_t *amd)
}
/* Disable chip interrupts. The amd->lock is not held. */
-static __inline__ void amd7930_disable_ints(amd7930_t *amd)
+static __inline__ void amd7930_disable_ints(struct snd_amd7930 *amd)
{
unsigned long flags;
@@ -379,7 +379,7 @@ static __inline__ void amd7930_disable_ints(amd7930_t *amd)
/* Commit amd7930_map settings to the hardware.
* The amd->lock is held and local interrupts are disabled.
*/
-static void __amd7930_write_map(amd7930_t *amd)
+static void __amd7930_write_map(struct snd_amd7930 *amd)
{
struct amd7930_map *map = &amd->map;
@@ -473,7 +473,7 @@ static __const__ __u16 ger_coeff[] = {
/* Update amd7930_map settings and program them into the hardware.
* The amd->lock is held and local interrupts are disabled.
*/
-static void __amd7930_update_map(amd7930_t *amd)
+static void __amd7930_update_map(struct snd_amd7930 *amd)
{
struct amd7930_map *map = &amd->map;
int level;
@@ -491,9 +491,9 @@ static void __amd7930_update_map(amd7930_t *amd)
__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)
{
- amd7930_t *amd = dev_id;
+ struct snd_amd7930 *amd = dev_id;
unsigned int elapsed;
u8 ir;
@@ -534,7 +534,7 @@ static irqreturn_t snd_amd7930_interrupt(int irq, void *dev_id, struct pt_regs *
return IRQ_HANDLED;
}
-static int snd_amd7930_trigger(amd7930_t *amd, unsigned int flag, int cmd)
+static int snd_amd7930_trigger(struct snd_amd7930 *amd, unsigned int flag, int cmd)
{
unsigned long flags;
int result = 0;
@@ -564,24 +564,24 @@ static int snd_amd7930_trigger(amd7930_t *amd, unsigned int flag, int cmd)
return result;
}
-static int snd_amd7930_playback_trigger(snd_pcm_substream_t * substream,
+static int snd_amd7930_playback_trigger(struct snd_pcm_substream *substream,
int cmd)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
return snd_amd7930_trigger(amd, AMD7930_FLAG_PLAYBACK, cmd);
}
-static int snd_amd7930_capture_trigger(snd_pcm_substream_t * substream,
+static int snd_amd7930_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
return snd_amd7930_trigger(amd, AMD7930_FLAG_CAPTURE, cmd);
}
-static int snd_amd7930_playback_prepare(snd_pcm_substream_t * substream)
+static int snd_amd7930_playback_prepare(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(substream);
unsigned long flags;
u8 new_mmr1;
@@ -610,10 +610,10 @@ static int snd_amd7930_playback_prepare(snd_pcm_substream_t * substream)
return 0;
}
-static int snd_amd7930_capture_prepare(snd_pcm_substream_t * substream)
+static int snd_amd7930_capture_prepare(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
unsigned int size = snd_pcm_lib_buffer_bytes(substream);
unsigned long flags;
u8 new_mmr1;
@@ -642,9 +642,9 @@ static int snd_amd7930_capture_prepare(snd_pcm_substream_t * substream)
return 0;
}
-static snd_pcm_uframes_t snd_amd7930_playback_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_amd7930_playback_pointer(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
size_t ptr;
if (!(amd->flags & AMD7930_FLAG_PLAYBACK))
@@ -653,9 +653,9 @@ static snd_pcm_uframes_t snd_amd7930_playback_pointer(snd_pcm_substream_t * subs
return bytes_to_frames(substream->runtime, ptr);
}
-static snd_pcm_uframes_t snd_amd7930_capture_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_amd7930_capture_pointer(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
size_t ptr;
if (!(amd->flags & AMD7930_FLAG_CAPTURE))
@@ -666,7 +666,7 @@ static snd_pcm_uframes_t snd_amd7930_capture_pointer(snd_pcm_substream_t * subst
}
/* Playback and capture have identical properties. */
-static snd_pcm_hardware_t snd_amd7930_pcm_hw =
+static struct snd_pcm_hardware snd_amd7930_pcm_hw =
{
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
@@ -686,54 +686,54 @@ static snd_pcm_hardware_t snd_amd7930_pcm_hw =
.periods_max = 1024,
};
-static int snd_amd7930_playback_open(snd_pcm_substream_t * substream)
+static int snd_amd7930_playback_open(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
amd->playback_substream = substream;
runtime->hw = snd_amd7930_pcm_hw;
return 0;
}
-static int snd_amd7930_capture_open(snd_pcm_substream_t * substream)
+static int snd_amd7930_capture_open(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
amd->capture_substream = substream;
runtime->hw = snd_amd7930_pcm_hw;
return 0;
}
-static int snd_amd7930_playback_close(snd_pcm_substream_t * substream)
+static int snd_amd7930_playback_close(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
amd->playback_substream = NULL;
return 0;
}
-static int snd_amd7930_capture_close(snd_pcm_substream_t * substream)
+static int snd_amd7930_capture_close(struct snd_pcm_substream *substream)
{
- amd7930_t *amd = snd_pcm_substream_chip(substream);
+ struct snd_amd7930 *amd = snd_pcm_substream_chip(substream);
amd->capture_substream = NULL;
return 0;
}
-static int snd_amd7930_hw_params(snd_pcm_substream_t * substream,
- snd_pcm_hw_params_t * hw_params)
+static int snd_amd7930_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
-static int snd_amd7930_hw_free(snd_pcm_substream_t * substream)
+static int snd_amd7930_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
-static snd_pcm_ops_t snd_amd7930_playback_ops = {
+static struct snd_pcm_ops snd_amd7930_playback_ops = {
.open = snd_amd7930_playback_open,
.close = snd_amd7930_playback_close,
.ioctl = snd_pcm_lib_ioctl,
@@ -744,7 +744,7 @@ static snd_pcm_ops_t snd_amd7930_playback_ops = {
.pointer = snd_amd7930_playback_pointer,
};
-static snd_pcm_ops_t snd_amd7930_capture_ops = {
+static struct snd_pcm_ops snd_amd7930_capture_ops = {
.open = snd_amd7930_capture_open,
.close = snd_amd7930_capture_close,
.ioctl = snd_pcm_lib_ioctl,
@@ -755,17 +755,9 @@ static snd_pcm_ops_t snd_amd7930_capture_ops = {
.pointer = snd_amd7930_capture_pointer,
};
-static void snd_amd7930_pcm_free(snd_pcm_t *pcm)
-{
- amd7930_t *amd = pcm->private_data;
-
- amd->pcm = NULL;
- snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
-static int __init snd_amd7930_pcm(amd7930_t *amd)
+static int snd_amd7930_pcm(struct snd_amd7930 *amd)
{
- snd_pcm_t *pcm;
+ struct snd_pcm *pcm;
int err;
if ((err = snd_pcm_new(amd->card,
@@ -774,13 +766,11 @@ static int __init snd_amd7930_pcm(amd7930_t *amd)
/* 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);
pcm->private_data = amd;
- pcm->private_free = snd_amd7930_pcm_free;
pcm->info_flags = 0;
strcpy(pcm->name, amd->card->shortname);
amd->pcm = pcm;
@@ -796,15 +786,8 @@ static int __init snd_amd7930_pcm(amd7930_t *amd)
#define VOLUME_CAPTURE 1
#define VOLUME_PLAYBACK 2
-static int snd_amd7930_info_volume(snd_kcontrol_t *kctl, snd_ctl_elem_info_t *uinfo)
+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;
@@ -813,16 +796,12 @@ static int snd_amd7930_info_volume(snd_kcontrol_t *kctl, snd_ctl_elem_info_t *ui
return 0;
}
-static int snd_amd7930_get_volume(snd_kcontrol_t *kctl, snd_ctl_elem_value_t *ucontrol)
+static int snd_amd7930_get_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol)
{
- amd7930_t *amd = snd_kcontrol_chip(kctl);
+ struct snd_amd7930 *amd = snd_kcontrol_chip(kctl);
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;
@@ -834,24 +813,20 @@ static int snd_amd7930_get_volume(snd_kcontrol_t *kctl, snd_ctl_elem_value_t *uc
default:
swval = &amd->pgain;
break;
- };
+ }
ucontrol->value.integer.value[0] = *swval;
return 0;
}
-static int snd_amd7930_put_volume(snd_kcontrol_t *kctl, snd_ctl_elem_value_t *ucontrol)
+static int snd_amd7930_put_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *ucontrol)
{
- amd7930_t *amd = snd_kcontrol_chip(kctl);
+ struct snd_amd7930 *amd = snd_kcontrol_chip(kctl);
unsigned long flags;
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;
@@ -863,12 +838,12 @@ static int snd_amd7930_put_volume(snd_kcontrol_t *kctl, snd_ctl_elem_value_t *uc
default:
swval = &amd->pgain;
break;
- };
+ }
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
@@ -879,7 +854,7 @@ static int snd_amd7930_put_volume(snd_kcontrol_t *kctl, snd_ctl_elem_value_t *uc
return change;
}
-static snd_kcontrol_new_t amd7930_controls[] __initdata = {
+static struct snd_kcontrol_new amd7930_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Monitor Volume",
@@ -909,12 +884,13 @@ static snd_kcontrol_new_t amd7930_controls[] __initdata = {
},
};
-static int __init snd_amd7930_mixer(amd7930_t *amd)
+static int snd_amd7930_mixer(struct snd_amd7930 *amd)
{
- snd_card_t *card;
+ 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);
@@ -928,42 +904,42 @@ static int __init snd_amd7930_mixer(amd7930_t *amd)
return 0;
}
-static int snd_amd7930_free(amd7930_t *amd)
+static int snd_amd7930_free(struct snd_amd7930 *amd)
{
+ struct platform_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);
return 0;
}
-static int snd_amd7930_dev_free(snd_device_t *device)
+static int snd_amd7930_dev_free(struct snd_device *device)
{
- amd7930_t *amd = device->device_data;
+ struct snd_amd7930 *amd = device->device_data;
return snd_amd7930_free(amd);
}
-static snd_device_ops_t snd_amd7930_dev_ops = {
+static struct snd_device_ops snd_amd7930_dev_ops = {
.dev_free = snd_amd7930_dev_free,
};
-static int __init snd_amd7930_create(snd_card_t *card,
- struct sbus_dev *sdev,
- struct resource *rp,
- unsigned int reg_size,
- struct linux_prom_irqs *irq_prop,
- int dev,
- amd7930_t **ramd)
+static int snd_amd7930_create(struct snd_card *card,
+ struct platform_device *op,
+ int irq, int dev,
+ struct snd_amd7930 **ramd)
{
+ struct snd_amd7930 *amd;
unsigned long flags;
- amd7930_t *amd;
int err;
*ramd = NULL;
@@ -973,26 +949,26 @@ static int __init snd_amd7930_create(snd_card_t *card,
spin_lock_init(&amd->lock);
amd->card = card;
- amd->sdev = sdev;
- 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;
}
amd7930_idle(amd);
- if (request_irq(irq_prop->pri, snd_amd7930_interrupt,
- SA_INTERRUPT | SA_SHIRQ, "amd7930", amd)) {
- snd_printk("amd7930-%d: Unable to grab IRQ %s\n",
- dev,
- __irq_itoa(irq_prop->pri));
+ if (request_irq(irq, snd_amd7930_interrupt,
+ IRQF_SHARED, "amd7930", amd)) {
+ snd_printk(KERN_ERR "amd7930-%d: Unable to grab IRQ %d\n",
+ dev, irq);
snd_amd7930_free(amd);
return -EBUSY;
}
- amd->irq = irq_prop->pri;
+ amd->irq = irq;
amd7930_enable_ints(amd);
@@ -1026,60 +1002,38 @@ static int __init snd_amd7930_create(snd_card_t *card,
return 0;
}
-static int __init amd7930_attach(int prom_node, struct sbus_dev *sdev)
+static int amd7930_sbus_probe(struct platform_device *op)
{
- static int dev;
- struct linux_prom_registers reg_prop;
- struct linux_prom_irqs irq_prop;
- struct resource res, *rp;
- snd_card_t *card;
- amd7930_t *amd;
- int err;
-
- if (dev >= SNDRV_CARDS)
- return -ENODEV;
- if (!enable[dev]) {
- dev++;
- return -ENOENT;
- }
+ struct resource *rp = &op->resource[0];
+ static int dev_num;
+ struct snd_card *card;
+ struct snd_amd7930 *amd;
+ int err, irq;
- err = prom_getproperty(prom_node, "intr",
- (char *) &irq_prop, sizeof(irq_prop));
- if (err < 0) {
- snd_printk("amd7930-%d: Firmware node lacks IRQ property.\n", dev);
- return -ENODEV;
- }
+ irq = op->archdata.irqs[0];
- err = prom_getproperty(prom_node, "reg",
- (char *) &reg_prop, sizeof(reg_prop));
- if (err < 0) {
- snd_printk("amd7930-%d: Firmware node lacks register property.\n", dev);
+ if (dev_num >= SNDRV_CARDS)
return -ENODEV;
+ if (!enable[dev_num]) {
+ dev_num++;
+ return -ENOENT;
}
- if (sdev) {
- rp = &sdev->resource[0];
- } else {
- rp = &res;
- rp->start = reg_prop.phys_addr;
- rp->end = rp->start + reg_prop.reg_size - 1;
- rp->flags = IORESOURCE_IO | (reg_prop.which_io & 0xff);
- }
-
- card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
- if (card == NULL)
- return -ENOMEM;
+ err = snd_card_new(&op->dev, 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 %s",
+ sprintf(card->longname, "%s at 0x%02lx:0x%08Lx, irq %d",
card->shortname,
rp->flags & 0xffL,
- rp->start,
- __irq_itoa(irq_prop.pri));
+ (unsigned long long)rp->start,
+ irq);
- if ((err = snd_amd7930_create(card, sdev, rp, reg_prop.reg_size,
- &irq_prop, dev, &amd)) < 0)
+ if ((err = snd_amd7930_create(card, op,
+ irq, dev_num, &amd)) < 0)
goto out_err;
if ((err = snd_amd7930_pcm(amd)) < 0)
@@ -1088,16 +1042,14 @@ static int __init amd7930_attach(int prom_node, struct sbus_dev *sdev)
if ((err = snd_amd7930_mixer(amd)) < 0)
goto out_err;
- if ((err = snd_card_set_generic_dev(card)) < 0)
- goto out_err;
-
if ((err = snd_card_register(card)) < 0)
goto out_err;
amd->next = amd7930_list;
amd7930_list = amd;
- dev++;
+ dev_num++;
+
return 0;
out_err:
@@ -1105,37 +1057,33 @@ out_err:
return err;
}
+static const struct of_device_id amd7930_match[] = {
+ {
+ .name = "audio",
+ },
+ {},
+};
+
+static struct platform_driver amd7930_sbus_driver = {
+ .driver = {
+ .name = "audio",
+ .owner = THIS_MODULE,
+ .of_match_table = amd7930_match,
+ },
+ .probe = amd7930_sbus_probe,
+};
+
static int __init amd7930_init(void)
{
- struct sbus_bus *sbus;
- struct sbus_dev *sdev;
- int node, found;
-
- found = 0;
-
- /* Try to find the sun4c "audio" node first. */
- node = prom_getchild(prom_root_node);
- node = prom_searchsiblings(node, "audio");
- if (node && amd7930_attach(node, NULL) == 0)
- found++;
-
- /* Probe each SBUS for amd7930 chips. */
- for_all_sbusdev(sdev, sbus) {
- if (!strcmp(sdev->prom_name, "audio")) {
- if (amd7930_attach(sdev->prom_node, sdev) == 0)
- found++;
- }
- }
-
- return (found > 0) ? 0 : -EIO;
+ return platform_driver_register(&amd7930_sbus_driver);
}
static void __exit amd7930_exit(void)
{
- amd7930_t *p = amd7930_list;
+ struct snd_amd7930 *p = amd7930_list;
while (p != NULL) {
- amd7930_t *next = p->next;
+ struct snd_amd7930 *next = p->next;
snd_card_free(p->card);
@@ -1143,6 +1091,8 @@ static void __exit amd7930_exit(void)
}
amd7930_list = NULL;
+
+ platform_driver_unregister(&amd7930_sbus_driver);
}
module_init(amd7930_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 19:36:43 +0000