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Diffstat (limited to 'sound/sparc/cs4231.c')
-rw-r--r--sound/sparc/cs4231.c115
1 files changed, 57 insertions, 58 deletions
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 8d13d933087..4e91bcaa366 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -10,7 +10,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -41,7 +40,7 @@
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
/* Enable this card */
-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Sun CS4231 soundcard.");
@@ -112,7 +111,7 @@ struct snd_cs4231 {
struct mutex mce_mutex; /* mutex for mce register */
struct mutex open_mutex; /* mutex for ALSA open/close */
- struct of_device *op;
+ struct platform_device *op;
unsigned int irq[2];
unsigned int regs_size;
struct snd_cs4231 *next;
@@ -430,7 +429,8 @@ static void snd_cs4231_advance_dma(struct cs4231_dma_control *dma_cont,
unsigned int period_size = snd_pcm_lib_period_bytes(substream);
unsigned int offset = period_size * (*periods_sent);
- BUG_ON(period_size >= (1 << 24));
+ if (WARN_ON(period_size >= (1 << 24)))
+ return;
if (dma_cont->request(dma_cont,
runtime->dma_addr + offset, period_size))
@@ -703,7 +703,7 @@ static int snd_cs4231_timer_stop(struct snd_timer *timer)
return 0;
}
-static void __devinit snd_cs4231_init(struct snd_cs4231 *chip)
+static void snd_cs4231_init(struct snd_cs4231 *chip)
{
unsigned long flags;
@@ -907,18 +907,24 @@ static int snd_cs4231_playback_prepare(struct snd_pcm_substream *substream)
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long flags;
+ int ret = 0;
spin_lock_irqsave(&chip->lock, flags);
chip->image[CS4231_IFACE_CTRL] &= ~(CS4231_PLAYBACK_ENABLE |
CS4231_PLAYBACK_PIO);
- BUG_ON(runtime->period_size > 0xffff + 1);
+ if (WARN_ON(runtime->period_size > 0xffff + 1)) {
+ ret = -EINVAL;
+ goto out;
+ }
chip->p_periods_sent = 0;
+
+out:
spin_unlock_irqrestore(&chip->lock, flags);
- return 0;
+ return ret;
}
static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
@@ -1020,7 +1026,7 @@ static snd_pcm_uframes_t snd_cs4231_capture_pointer(
return bytes_to_frames(substream->runtime, ptr);
}
-static int __devinit snd_cs4231_probe(struct snd_cs4231 *chip)
+static int snd_cs4231_probe(struct snd_cs4231 *chip)
{
unsigned long flags;
int i;
@@ -1219,7 +1225,7 @@ static struct snd_pcm_ops snd_cs4231_capture_ops = {
.pointer = snd_cs4231_capture_pointer,
};
-static int __devinit snd_cs4231_pcm(struct snd_card *card)
+static int snd_cs4231_pcm(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
struct snd_pcm *pcm;
@@ -1248,7 +1254,7 @@ static int __devinit snd_cs4231_pcm(struct snd_card *card)
return 0;
}
-static int __devinit snd_cs4231_timer(struct snd_card *card)
+static int snd_cs4231_timer(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
struct snd_timer *timer;
@@ -1499,7 +1505,7 @@ static int snd_cs4231_put_double(struct snd_kcontrol *kcontrol,
.private_value = (left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | \
((shift_right) << 19) | ((mask) << 24) | ((invert) << 22) }
-static struct snd_kcontrol_new snd_cs4231_controls[] __devinitdata = {
+static struct snd_kcontrol_new snd_cs4231_controls[] = {
CS4231_DOUBLE("PCM Playback Switch", 0, CS4231_LEFT_OUTPUT,
CS4231_RIGHT_OUTPUT, 7, 7, 1, 1),
CS4231_DOUBLE("PCM Playback Volume", 0, CS4231_LEFT_OUTPUT,
@@ -1538,7 +1544,7 @@ CS4231_SINGLE("Line Out Switch", 0, CS4231_PIN_CTRL, 6, 1, 1),
CS4231_SINGLE("Headphone Out Switch", 0, CS4231_PIN_CTRL, 7, 1, 1)
};
-static int __devinit snd_cs4231_mixer(struct snd_card *card)
+static int snd_cs4231_mixer(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
int err, idx;
@@ -1559,7 +1565,8 @@ static int __devinit snd_cs4231_mixer(struct snd_card *card)
static int dev;
-static int __devinit cs4231_attach_begin(struct snd_card **rcard)
+static int cs4231_attach_begin(struct platform_device *op,
+ struct snd_card **rcard)
{
struct snd_card *card;
struct snd_cs4231 *chip;
@@ -1575,8 +1582,8 @@ static int __devinit cs4231_attach_begin(struct snd_card **rcard)
return -ENOENT;
}
- err = snd_card_create(index[dev], id[dev], THIS_MODULE,
- sizeof(struct snd_cs4231), &card);
+ err = snd_card_new(&op->dev, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_cs4231), &card);
if (err < 0)
return err;
@@ -1590,7 +1597,7 @@ static int __devinit cs4231_attach_begin(struct snd_card **rcard)
return 0;
}
-static int __devinit cs4231_attach_finish(struct snd_card *card)
+static int cs4231_attach_finish(struct snd_card *card)
{
struct snd_cs4231 *chip = card->private_data;
int err;
@@ -1772,7 +1779,7 @@ static unsigned int sbus_dma_addr(struct cs4231_dma_control *dma_cont)
static int snd_cs4231_sbus_free(struct snd_cs4231 *chip)
{
- struct of_device *op = chip->op;
+ struct platform_device *op = chip->op;
if (chip->irq[0])
free_irq(chip->irq[0], chip);
@@ -1794,9 +1801,9 @@ static struct snd_device_ops snd_cs4231_sbus_dev_ops = {
.dev_free = snd_cs4231_sbus_dev_free,
};
-static int __devinit snd_cs4231_sbus_create(struct snd_card *card,
- struct of_device *op,
- int dev)
+static int snd_cs4231_sbus_create(struct snd_card *card,
+ struct platform_device *op,
+ int dev)
{
struct snd_cs4231 *chip = card->private_data;
int err;
@@ -1833,14 +1840,14 @@ static int __devinit snd_cs4231_sbus_create(struct snd_card *card,
chip->c_dma.request = sbus_dma_request;
chip->c_dma.address = sbus_dma_addr;
- if (request_irq(op->irqs[0], snd_cs4231_sbus_interrupt,
+ if (request_irq(op->archdata.irqs[0], snd_cs4231_sbus_interrupt,
IRQF_SHARED, "cs4231", chip)) {
snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n",
- dev, op->irqs[0]);
+ dev, op->archdata.irqs[0]);
snd_cs4231_sbus_free(chip);
return -EBUSY;
}
- chip->irq[0] = op->irqs[0];
+ chip->irq[0] = op->archdata.irqs[0];
if (snd_cs4231_probe(chip) < 0) {
snd_cs4231_sbus_free(chip);
@@ -1857,13 +1864,13 @@ static int __devinit snd_cs4231_sbus_create(struct snd_card *card,
return 0;
}
-static int __devinit cs4231_sbus_probe(struct of_device *op, const struct of_device_id *match)
+static int cs4231_sbus_probe(struct platform_device *op)
{
struct resource *rp = &op->resource[0];
struct snd_card *card;
int err;
- err = cs4231_attach_begin(&card);
+ err = cs4231_attach_begin(op, &card);
if (err)
return err;
@@ -1871,7 +1878,7 @@ static int __devinit cs4231_sbus_probe(struct of_device *op, const struct of_dev
card->shortname,
rp->flags & 0xffL,
(unsigned long long)rp->start,
- op->irqs[0]);
+ op->archdata.irqs[0]);
err = snd_cs4231_sbus_create(card, op, dev);
if (err < 0) {
@@ -1932,7 +1939,7 @@ static unsigned int _ebus_dma_addr(struct cs4231_dma_control *dma_cont)
static int snd_cs4231_ebus_free(struct snd_cs4231 *chip)
{
- struct of_device *op = chip->op;
+ struct platform_device *op = chip->op;
if (chip->c_dma.ebus_info.regs) {
ebus_dma_unregister(&chip->c_dma.ebus_info);
@@ -1960,9 +1967,9 @@ static struct snd_device_ops snd_cs4231_ebus_dev_ops = {
.dev_free = snd_cs4231_ebus_dev_free,
};
-static int __devinit snd_cs4231_ebus_create(struct snd_card *card,
- struct of_device *op,
- int dev)
+static int snd_cs4231_ebus_create(struct snd_card *card,
+ struct platform_device *op,
+ int dev)
{
struct snd_cs4231 *chip = card->private_data;
int err;
@@ -1980,12 +1987,12 @@ static int __devinit snd_cs4231_ebus_create(struct snd_card *card,
chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback;
chip->c_dma.ebus_info.client_cookie = chip;
- chip->c_dma.ebus_info.irq = op->irqs[0];
+ chip->c_dma.ebus_info.irq = op->archdata.irqs[0];
strcpy(chip->p_dma.ebus_info.name, "cs4231(play)");
chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER;
chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback;
chip->p_dma.ebus_info.client_cookie = chip;
- chip->p_dma.ebus_info.irq = op->irqs[1];
+ chip->p_dma.ebus_info.irq = op->archdata.irqs[1];
chip->p_dma.prepare = _ebus_dma_prepare;
chip->p_dma.enable = _ebus_dma_enable;
@@ -2049,19 +2056,19 @@ static int __devinit snd_cs4231_ebus_create(struct snd_card *card,
return 0;
}
-static int __devinit cs4231_ebus_probe(struct of_device *op, const struct of_device_id *match)
+static int cs4231_ebus_probe(struct platform_device *op)
{
struct snd_card *card;
int err;
- err = cs4231_attach_begin(&card);
+ err = cs4231_attach_begin(op, &card);
if (err)
return err;
sprintf(card->longname, "%s at 0x%llx, irq %d",
card->shortname,
op->resource[0].start,
- op->irqs[0]);
+ op->archdata.irqs[0]);
err = snd_cs4231_ebus_create(card, op, dev);
if (err < 0) {
@@ -2073,21 +2080,21 @@ static int __devinit cs4231_ebus_probe(struct of_device *op, const struct of_dev
}
#endif
-static int __devinit cs4231_probe(struct of_device *op, const struct of_device_id *match)
+static int cs4231_probe(struct platform_device *op)
{
#ifdef EBUS_SUPPORT
- if (!strcmp(op->node->parent->name, "ebus"))
- return cs4231_ebus_probe(op, match);
+ if (!strcmp(op->dev.of_node->parent->name, "ebus"))
+ return cs4231_ebus_probe(op);
#endif
#ifdef SBUS_SUPPORT
- if (!strcmp(op->node->parent->name, "sbus") ||
- !strcmp(op->node->parent->name, "sbi"))
- return cs4231_sbus_probe(op, match);
+ if (!strcmp(op->dev.of_node->parent->name, "sbus") ||
+ !strcmp(op->dev.of_node->parent->name, "sbi"))
+ return cs4231_sbus_probe(op);
#endif
return -ENODEV;
}
-static int __devexit cs4231_remove(struct of_device *op)
+static int cs4231_remove(struct platform_device *op)
{
struct snd_cs4231 *chip = dev_get_drvdata(&op->dev);
@@ -2109,22 +2116,14 @@ static const struct of_device_id cs4231_match[] = {
MODULE_DEVICE_TABLE(of, cs4231_match);
-static struct of_platform_driver cs4231_driver = {
- .name = "audio",
- .match_table = cs4231_match,
+static struct platform_driver cs4231_driver = {
+ .driver = {
+ .name = "audio",
+ .owner = THIS_MODULE,
+ .of_match_table = cs4231_match,
+ },
.probe = cs4231_probe,
- .remove = __devexit_p(cs4231_remove),
+ .remove = cs4231_remove,
};
-static int __init cs4231_init(void)
-{
- return of_register_driver(&cs4231_driver, &of_bus_type);
-}
-
-static void __exit cs4231_exit(void)
-{
- of_unregister_driver(&cs4231_driver);
-}
-
-module_init(cs4231_init);
-module_exit(cs4231_exit);
+module_platform_driver(cs4231_driver);