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path: root/sound/pci/emu10k1/emu10k1x.c
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Diffstat (limited to 'sound/pci/emu10k1/emu10k1x.c')
-rw-r--r--sound/pci/emu10k1/emu10k1x.c128
1 files changed, 30 insertions, 98 deletions
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index 89b0f3884067..c49c44dc1082 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -216,7 +216,6 @@ struct emu10k1x {
struct pci_dev *pci;
unsigned long port;
- struct resource *res_port;
int irq;
unsigned char revision; /* chip revision */
@@ -233,7 +232,7 @@ struct emu10k1x {
struct emu10k1x_voice capture_voice;
u32 spdif_bits[3]; // SPDIF out setup
- struct snd_dma_buffer dma_buffer;
+ struct snd_dma_buffer *dma_buffer;
struct emu10k1x_midi midi;
};
@@ -442,7 +441,7 @@ static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct emu10k1x_pcm *epcm = runtime->private_data;
int voice = epcm->voice->number;
- u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice);
+ u32 *table_base = (u32 *)(emu->dma_buffer->area+1024*voice);
u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
int i;
@@ -451,7 +450,7 @@ static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream)
*table_base++=period_size_bytes<<16;
}
- snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice);
+ snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer->addr+1024*voice);
snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19);
snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0);
snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0);
@@ -737,37 +736,15 @@ static int snd_emu10k1x_ac97(struct emu10k1x *chip)
return snd_ac97_mixer(pbus, &ac97, &chip->ac97);
}
-static int snd_emu10k1x_free(struct emu10k1x *chip)
+static void snd_emu10k1x_free(struct snd_card *card)
{
+ struct emu10k1x *chip = card->private_data;
+
snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0);
// disable interrupts
outl(0, chip->port + INTE);
// disable audio
outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG);
-
- /* release the irq */
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
-
- // release the i/o port
- release_and_free_resource(chip->res_port);
-
- // release the DMA
- if (chip->dma_buffer.area) {
- snd_dma_free_pages(&chip->dma_buffer);
- }
-
- pci_disable_device(chip->pci);
-
- // release the data
- kfree(chip);
- return 0;
-}
-
-static int snd_emu10k1x_dev_free(struct snd_device *device)
-{
- struct emu10k1x *chip = device->device_data;
- return snd_emu10k1x_free(chip);
}
static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
@@ -885,34 +862,21 @@ static int snd_emu10k1x_pcm(struct emu10k1x *emu, int device)
}
static int snd_emu10k1x_create(struct snd_card *card,
- struct pci_dev *pci,
- struct emu10k1x **rchip)
+ struct pci_dev *pci)
{
- struct emu10k1x *chip;
+ struct emu10k1x *chip = card->private_data;
int err;
int ch;
- static const struct snd_device_ops ops = {
- .dev_free = snd_emu10k1x_dev_free,
- };
-
- *rchip = NULL;
- err = pci_enable_device(pci);
+ err = pcim_enable_device(pci);
if (err < 0)
return err;
if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28)) < 0) {
dev_err(card->dev, "error to set 28bit mask DMA\n");
- pci_disable_device(pci);
return -ENXIO;
}
- chip = kzalloc(sizeof(*chip), GFP_KERNEL);
- if (chip == NULL) {
- pci_disable_device(pci);
- return -ENOMEM;
- }
-
chip->card = card;
chip->pci = pci;
chip->irq = -1;
@@ -920,29 +884,24 @@ static int snd_emu10k1x_create(struct snd_card *card,
spin_lock_init(&chip->emu_lock);
spin_lock_init(&chip->voice_lock);
+ err = pci_request_regions(pci, "EMU10K1X");
+ if (err < 0)
+ return err;
chip->port = pci_resource_start(pci, 0);
- chip->res_port = request_region(chip->port, 8, "EMU10K1X");
- if (!chip->res_port) {
- dev_err(card->dev, "cannot allocate the port 0x%lx\n",
- chip->port);
- snd_emu10k1x_free(chip);
- return -EBUSY;
- }
- if (request_irq(pci->irq, snd_emu10k1x_interrupt,
- IRQF_SHARED, KBUILD_MODNAME, chip)) {
+ if (devm_request_irq(&pci->dev, pci->irq, snd_emu10k1x_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, chip)) {
dev_err(card->dev, "cannot grab irq %d\n", pci->irq);
- snd_emu10k1x_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
card->sync_irq = chip->irq;
+ card->private_free = snd_emu10k1x_free;
- if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
- 4 * 1024, &chip->dma_buffer) < 0) {
- snd_emu10k1x_free(chip);
+ chip->dma_buffer = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
+ 4 * 1024);
+ if (!chip->dma_buffer)
return -ENOMEM;
- }
pci_set_master(pci);
/* read revision & serial */
@@ -998,12 +957,6 @@ static int snd_emu10k1x_create(struct snd_card *card,
outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG);
- err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
- if (err < 0) {
- snd_emu10k1x_free(chip);
- return err;
- }
- *rchip = chip;
return 0;
}
@@ -1553,50 +1506,37 @@ static int snd_emu10k1x_probe(struct pci_dev *pci,
return -ENOENT;
}
- err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
- 0, &card);
+ err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+ sizeof(*chip), &card);
if (err < 0)
return err;
+ chip = card->private_data;
- err = snd_emu10k1x_create(card, pci, &chip);
- if (err < 0) {
- snd_card_free(card);
+ err = snd_emu10k1x_create(card, pci);
+ if (err < 0)
return err;
- }
err = snd_emu10k1x_pcm(chip, 0);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
err = snd_emu10k1x_pcm(chip, 1);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
err = snd_emu10k1x_pcm(chip, 2);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
err = snd_emu10k1x_ac97(chip);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
err = snd_emu10k1x_mixer(chip);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
err = snd_emu10k1x_midi(chip);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
snd_emu10k1x_proc_init(chip);
@@ -1606,21 +1546,14 @@ static int snd_emu10k1x_probe(struct pci_dev *pci,
card->shortname, chip->port, chip->irq);
err = snd_card_register(card);
- if (err < 0) {
- snd_card_free(card);
+ if (err < 0)
return err;
- }
pci_set_drvdata(pci, card);
dev++;
return 0;
}
-static void snd_emu10k1x_remove(struct pci_dev *pci)
-{
- snd_card_free(pci_get_drvdata(pci));
-}
-
// PCI IDs
static const struct pci_device_id snd_emu10k1x_ids[] = {
{ PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */
@@ -1633,7 +1566,6 @@ static struct pci_driver emu10k1x_driver = {
.name = KBUILD_MODNAME,
.id_table = snd_emu10k1x_ids,
.probe = snd_emu10k1x_probe,
- .remove = snd_emu10k1x_remove,
};
module_pci_driver(emu10k1x_driver);
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-13 08:20:49 +0300