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Diffstat (limited to 'sound/sparc/dbri.c')
-rw-r--r--sound/sparc/dbri.c168
1 files changed, 83 insertions, 85 deletions
diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c
index 3d00e0797b1..be1b1aa96b7 100644
--- a/sound/sparc/dbri.c
+++ b/sound/sparc/dbri.c
@@ -57,6 +57,8 @@
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/gfp.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -66,8 +68,9 @@
#include <sound/initval.h>
#include <linux/of.h>
-#include <asm/sbus.h>
-#include <asm/atomic.h>
+#include <linux/of_device.h>
+#include <linux/atomic.h>
+#include <linux/module.h>
MODULE_AUTHOR("Rudolf Koenig, Brent Baccala and Martin Habets");
MODULE_DESCRIPTION("Sun DBRI");
@@ -77,7 +80,7 @@ MODULE_SUPPORTED_DEVICE("{{Sun,DBRI}}");
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 DBRI soundcard.");
@@ -297,7 +300,7 @@ struct dbri_streaminfo {
/* This structure holds the information for both chips (DBRI & CS4215) */
struct snd_dbri {
int regs_size, irq; /* Needed for unload */
- struct sbus_dev *sdev; /* SBUS device info */
+ struct platform_device *op; /* OF device info */
spinlock_t lock;
struct dbri_dma *dma; /* Pointer to our DMA block */
@@ -589,7 +592,7 @@ static __u32 reverse_bytes(__u32 b, int len)
break;
default:
printk(KERN_ERR "DBRI reverse_bytes: unsupported length\n");
- };
+ }
return b;
}
@@ -742,7 +745,7 @@ static void dbri_reset(struct snd_dbri *dbri)
}
/* Lock must not be held before calling this */
-static void __devinit dbri_initialize(struct snd_dbri *dbri)
+static void dbri_initialize(struct snd_dbri *dbri)
{
s32 *cmd;
u32 dma_addr;
@@ -1302,7 +1305,7 @@ to the DBRI via the CHI interface and few of the DBRI's PIO pins.
* Lock must not be held before calling it.
*/
-static __devinit void cs4215_setup_pipes(struct snd_dbri *dbri)
+static void cs4215_setup_pipes(struct snd_dbri *dbri)
{
unsigned long flags;
@@ -1335,7 +1338,7 @@ static __devinit void cs4215_setup_pipes(struct snd_dbri *dbri)
dbri_cmdwait(dbri);
}
-static __devinit int cs4215_init_data(struct cs4215 *mm)
+static int cs4215_init_data(struct cs4215 *mm)
{
/*
* No action, memory resetting only.
@@ -1627,7 +1630,7 @@ static int cs4215_prepare(struct snd_dbri *dbri, unsigned int rate,
/*
*
*/
-static __devinit int cs4215_init(struct snd_dbri *dbri)
+static int cs4215_init(struct snd_dbri *dbri)
{
u32 reg2 = sbus_readl(dbri->regs + REG2);
dprintk(D_MM, "cs4215_init: reg2=0x%x\n", reg2);
@@ -1974,7 +1977,8 @@ static struct snd_pcm_hardware snd_dbri_pcm_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID,
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_BATCH,
.formats = SNDRV_PCM_FMTBIT_MU_LAW |
SNDRV_PCM_FMTBIT_A_LAW |
SNDRV_PCM_FMTBIT_U8 |
@@ -2093,14 +2097,15 @@ static int snd_dbri_hw_params(struct snd_pcm_substream *substream,
*/
if (info->dvma_buffer == 0) {
if (DBRI_STREAMNO(substream) == DBRI_PLAY)
- direction = SBUS_DMA_TODEVICE;
+ direction = DMA_TO_DEVICE;
else
- direction = SBUS_DMA_FROMDEVICE;
+ direction = DMA_FROM_DEVICE;
- info->dvma_buffer = sbus_map_single(dbri->sdev,
- runtime->dma_area,
- params_buffer_bytes(hw_params),
- direction);
+ info->dvma_buffer =
+ dma_map_single(&dbri->op->dev,
+ runtime->dma_area,
+ params_buffer_bytes(hw_params),
+ direction);
}
direction = params_buffer_bytes(hw_params);
@@ -2121,12 +2126,12 @@ static int snd_dbri_hw_free(struct snd_pcm_substream *substream)
*/
if (info->dvma_buffer) {
if (DBRI_STREAMNO(substream) == DBRI_PLAY)
- direction = SBUS_DMA_TODEVICE;
+ direction = DMA_TO_DEVICE;
else
- direction = SBUS_DMA_FROMDEVICE;
+ direction = DMA_FROM_DEVICE;
- sbus_unmap_single(dbri->sdev, info->dvma_buffer,
- substream->runtime->buffer_size, direction);
+ dma_unmap_single(&dbri->op->dev, info->dvma_buffer,
+ substream->runtime->buffer_size, direction);
info->dvma_buffer = 0;
}
if (info->pipe != -1) {
@@ -2212,7 +2217,7 @@ static struct snd_pcm_ops snd_dbri_ops = {
.pointer = snd_dbri_pointer,
};
-static int __devinit snd_dbri_pcm(struct snd_card *card)
+static int snd_dbri_pcm(struct snd_card *card)
{
struct snd_pcm *pcm;
int err;
@@ -2223,7 +2228,6 @@ static int __devinit snd_dbri_pcm(struct snd_card *card)
/* 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_dbri_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_dbri_ops);
@@ -2263,9 +2267,10 @@ static int snd_cs4215_get_volume(struct snd_kcontrol *kcontrol,
{
struct snd_dbri *dbri = snd_kcontrol_chip(kcontrol);
struct dbri_streaminfo *info;
- snd_assert(dbri != NULL, return -EINVAL);
+
+ if (snd_BUG_ON(!dbri))
+ return -EINVAL;
info = &dbri->stream_info[kcontrol->private_value];
- snd_assert(info != NULL, return -EINVAL);
ucontrol->value.integer.value[0] = info->left_gain;
ucontrol->value.integer.value[1] = info->right_gain;
@@ -2331,7 +2336,9 @@ static int snd_cs4215_get_single(struct snd_kcontrol *kcontrol,
int shift = (kcontrol->private_value >> 8) & 0xff;
int mask = (kcontrol->private_value >> 16) & 0xff;
int invert = (kcontrol->private_value >> 24) & 1;
- snd_assert(dbri != NULL, return -EINVAL);
+
+ if (snd_BUG_ON(!dbri))
+ return -EINVAL;
if (elem < 4)
ucontrol->value.integer.value[0] =
@@ -2356,7 +2363,9 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol,
int invert = (kcontrol->private_value >> 24) & 1;
int changed = 0;
unsigned short val;
- snd_assert(dbri != NULL, return -EINVAL);
+
+ if (snd_BUG_ON(!dbri))
+ return -EINVAL;
val = (ucontrol->value.integer.value[0] & mask);
if (invert == 1)
@@ -2400,7 +2409,7 @@ static int snd_cs4215_put_single(struct snd_kcontrol *kcontrol,
.private_value = (entry) | ((shift) << 8) | ((mask) << 16) | \
((invert) << 24) },
-static struct snd_kcontrol_new dbri_controls[] __devinitdata = {
+static struct snd_kcontrol_new dbri_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Playback Volume",
@@ -2427,12 +2436,13 @@ static struct snd_kcontrol_new dbri_controls[] __devinitdata = {
CS4215_SINGLE("Mic boost", 4, 4, 1, 1)
};
-static int __devinit snd_dbri_mixer(struct snd_card *card)
+static int snd_dbri_mixer(struct snd_card *card)
{
int idx, err;
struct snd_dbri *dbri;
- snd_assert(card != NULL && card->private_data != NULL, return -EINVAL);
+ if (snd_BUG_ON(!card || !card->private_data))
+ return -EINVAL;
dbri = card->private_data;
strcpy(card->mixername, card->shortname);
@@ -2490,7 +2500,7 @@ static void dbri_debug_read(struct snd_info_entry *entry,
}
#endif
-void __devinit snd_dbri_proc(struct snd_card *card)
+static void snd_dbri_proc(struct snd_card *card)
{
struct snd_dbri *dbri = card->private_data;
struct snd_info_entry *entry;
@@ -2513,32 +2523,35 @@ void __devinit snd_dbri_proc(struct snd_card *card)
*/
static void snd_dbri_free(struct snd_dbri *dbri);
-static int __devinit snd_dbri_create(struct snd_card *card,
- struct sbus_dev *sdev,
- int irq, int dev)
+static int snd_dbri_create(struct snd_card *card,
+ struct platform_device *op,
+ int irq, int dev)
{
struct snd_dbri *dbri = card->private_data;
int err;
spin_lock_init(&dbri->lock);
- dbri->sdev = sdev;
+ dbri->op = op;
dbri->irq = irq;
- dbri->dma = sbus_alloc_consistent(sdev, sizeof(struct dbri_dma),
- &dbri->dma_dvma);
+ dbri->dma = dma_alloc_coherent(&op->dev,
+ sizeof(struct dbri_dma),
+ &dbri->dma_dvma, GFP_ATOMIC);
+ if (!dbri->dma)
+ return -ENOMEM;
memset((void *)dbri->dma, 0, sizeof(struct dbri_dma));
dprintk(D_GEN, "DMA Cmd Block 0x%p (0x%08x)\n",
dbri->dma, dbri->dma_dvma);
/* Map the registers into memory. */
- dbri->regs_size = sdev->reg_addrs[0].reg_size;
- dbri->regs = sbus_ioremap(&sdev->resource[0], 0,
- dbri->regs_size, "DBRI Registers");
+ dbri->regs_size = resource_size(&op->resource[0]);
+ dbri->regs = of_ioremap(&op->resource[0], 0,
+ dbri->regs_size, "DBRI Registers");
if (!dbri->regs) {
printk(KERN_ERR "DBRI: could not allocate registers\n");
- sbus_free_consistent(sdev, sizeof(struct dbri_dma),
- (void *)dbri->dma, dbri->dma_dvma);
+ dma_free_coherent(&op->dev, sizeof(struct dbri_dma),
+ (void *)dbri->dma, dbri->dma_dvma);
return -EIO;
}
@@ -2546,9 +2559,9 @@ static int __devinit snd_dbri_create(struct snd_card *card,
"DBRI audio", dbri);
if (err) {
printk(KERN_ERR "DBRI: Can't get irq %d\n", dbri->irq);
- sbus_iounmap(dbri->regs, dbri->regs_size);
- sbus_free_consistent(sdev, sizeof(struct dbri_dma),
- (void *)dbri->dma, dbri->dma_dvma);
+ of_iounmap(&op->resource[0], dbri->regs, dbri->regs_size);
+ dma_free_coherent(&op->dev, sizeof(struct dbri_dma),
+ (void *)dbri->dma, dbri->dma_dvma);
return err;
}
@@ -2572,27 +2585,23 @@ static void snd_dbri_free(struct snd_dbri *dbri)
free_irq(dbri->irq, dbri);
if (dbri->regs)
- sbus_iounmap(dbri->regs, dbri->regs_size);
+ of_iounmap(&dbri->op->resource[0], dbri->regs, dbri->regs_size);
if (dbri->dma)
- sbus_free_consistent(dbri->sdev, sizeof(struct dbri_dma),
- (void *)dbri->dma, dbri->dma_dvma);
+ dma_free_coherent(&dbri->op->dev,
+ sizeof(struct dbri_dma),
+ (void *)dbri->dma, dbri->dma_dvma);
}
-static int __devinit dbri_probe(struct of_device *of_dev,
- const struct of_device_id *match)
+static int dbri_probe(struct platform_device *op)
{
- struct sbus_dev *sdev = to_sbus_device(&of_dev->dev);
struct snd_dbri *dbri;
- int irq;
struct resource *rp;
struct snd_card *card;
static int dev = 0;
+ int irq;
int err;
- dprintk(D_GEN, "DBRI: Found %s in SBUS slot %d\n",
- sdev->prom_name, sdev->slot);
-
if (dev >= SNDRV_CARDS)
return -ENODEV;
if (!enable[dev]) {
@@ -2600,25 +2609,25 @@ static int __devinit dbri_probe(struct of_device *of_dev,
return -ENOENT;
}
- irq = sdev->irqs[0];
+ irq = op->archdata.irqs[0];
if (irq <= 0) {
printk(KERN_ERR "DBRI-%d: No IRQ.\n", dev);
return -ENODEV;
}
- card = snd_card_new(index[dev], id[dev], THIS_MODULE,
- sizeof(struct snd_dbri));
- if (card == NULL)
- return -ENOMEM;
+ err = snd_card_new(&op->dev, index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_dbri), &card);
+ if (err < 0)
+ return err;
strcpy(card->driver, "DBRI");
strcpy(card->shortname, "Sun DBRI");
- rp = &sdev->resource[0];
+ rp = &op->resource[0];
sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d",
card->shortname,
rp->flags & 0xffL, (unsigned long long)rp->start, irq);
- err = snd_dbri_create(card, sdev, irq, dev);
+ err = snd_dbri_create(card, op, irq, dev);
if (err < 0) {
snd_card_free(card);
return err;
@@ -2635,7 +2644,7 @@ static int __devinit dbri_probe(struct of_device *of_dev,
/* /proc file handling */
snd_dbri_proc(card);
- dev_set_drvdata(&of_dev->dev, card);
+ dev_set_drvdata(&op->dev, card);
err = snd_card_register(card);
if (err < 0)
@@ -2643,7 +2652,7 @@ static int __devinit dbri_probe(struct of_device *of_dev,
printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n",
dev, dbri->regs,
- dbri->irq, sdev->prom_name[9], dbri->mm.version);
+ dbri->irq, op->dev.of_node->name[9], dbri->mm.version);
dev++;
return 0;
@@ -2654,19 +2663,17 @@ _err:
return err;
}
-static int __devexit dbri_remove(struct of_device *dev)
+static int dbri_remove(struct platform_device *op)
{
- struct snd_card *card = dev_get_drvdata(&dev->dev);
+ struct snd_card *card = dev_get_drvdata(&op->dev);
snd_dbri_free(card->private_data);
snd_card_free(card);
- dev_set_drvdata(&dev->dev, NULL);
-
return 0;
}
-static struct of_device_id dbri_match[] = {
+static const struct of_device_id dbri_match[] = {
{
.name = "SUNW,DBRIe",
},
@@ -2678,23 +2685,14 @@ static struct of_device_id dbri_match[] = {
MODULE_DEVICE_TABLE(of, dbri_match);
-static struct of_platform_driver dbri_sbus_driver = {
- .name = "dbri",
- .match_table = dbri_match,
+static struct platform_driver dbri_sbus_driver = {
+ .driver = {
+ .name = "dbri",
+ .owner = THIS_MODULE,
+ .of_match_table = dbri_match,
+ },
.probe = dbri_probe,
- .remove = __devexit_p(dbri_remove),
+ .remove = dbri_remove,
};
-/* Probe for the dbri chip and then attach the driver. */
-static int __init dbri_init(void)
-{
- return of_register_driver(&dbri_sbus_driver, &sbus_bus_type);
-}
-
-static void __exit dbri_exit(void)
-{
- of_unregister_driver(&dbri_sbus_driver);
-}
-
-module_init(dbri_init);
-module_exit(dbri_exit);
+module_platform_driver(dbri_sbus_driver);