* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
* The hardware has 3 channels for playback and 1 for capture.
* - channel 0 is the front channel
* - channel 1 is the rear channel
- * - channel 2 is the center/lfe chanel
+ * - channel 2 is the center/lfe channel
* Volume is controlled by the AC97 for the front and rear channels by
* the PCM Playback Volume, Sigmatel Surround Playback Volume and
* Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects
struct resource *res_port;
int irq;
- unsigned int revision; /* chip revision */
+ unsigned char revision; /* chip revision */
unsigned int serial; /* serial number */
unsigned short model; /* subsystem id */
static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb)
{
unsigned long flags;
- unsigned int enable;
-
+ unsigned int intr_enable;
+
spin_lock_irqsave(&emu->emu_lock, flags);
- enable = inl(emu->port + INTE) | intrenb;
- outl(enable, emu->port + INTE);
+ intr_enable = inl(emu->port + INTE) | intrenb;
+ outl(intr_enable, emu->port + INTE);
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb)
{
unsigned long flags;
- unsigned int enable;
-
+ unsigned int intr_enable;
+
spin_lock_irqsave(&emu->emu_lock, flags);
- enable = inl(emu->port + INTE) & ~intrenb;
- outl(enable, emu->port + INTE);
+ intr_enable = inl(emu->port + INTE) & ~intrenb;
+ outl(intr_enable, emu->port + INTE);
spin_unlock_irqrestore(&emu->emu_lock, flags);
}
u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size);
int i;
- for(i=0; i < runtime->periods; i++) {
+ for(i = 0; i < runtime->periods; i++) {
*table_base++=runtime->dma_addr+(i*period_size_bytes);
*table_base++=period_size_bytes<<16;
}
// 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 irq
- if (chip->irq >= 0)
- free_irq(chip->irq, (void *)chip);
-
// release the DMA
if (chip->dma_buffer.area) {
snd_dma_free_pages(&chip->dma_buffer);
return snd_emu10k1x_free(chip);
}
-static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id)
{
unsigned int status;
// capture interrupt
if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) {
- struct emu10k1x_voice *pvoice = &chip->capture_voice;
- if (pvoice->use)
- snd_emu10k1x_pcm_interrupt(chip, pvoice);
+ struct emu10k1x_voice *cap_voice = &chip->capture_voice;
+ if (cap_voice->use)
+ snd_emu10k1x_pcm_interrupt(chip, cap_voice);
else
snd_emu10k1x_intr_disable(chip,
INTE_CAP_0_LOOP |
}
pcm->info_flags = 0;
- pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
switch(device) {
case 0:
strcpy(pcm->name, "EMU10K1X Front");
if ((err = pci_enable_device(pci)) < 0)
return err;
- if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
- pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
+ if (pci_set_dma_mask(pci, DMA_BIT_MASK(28)) < 0 ||
+ pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 0) {
snd_printk(KERN_ERR "error to set 28bit mask DMA\n");
pci_disable_device(pci);
return -ENXIO;
}
if (request_irq(pci->irq, snd_emu10k1x_interrupt,
- SA_INTERRUPT|SA_SHIRQ, "EMU10K1X",
- (void *)chip)) {
+ IRQF_SHARED, "EMU10K1X", chip)) {
snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq);
snd_emu10k1x_free(chip);
return -EBUSY;
pci_set_master(pci);
/* read revision & serial */
- pci_read_config_byte(pci, PCI_REVISION_ID, (char *)&chip->revision);
+ chip->revision = pci->revision;
pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial);
pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model);
snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model,
if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3)
continue;
- if ((reg < 0x49) && (reg >=0) && (val <= 0xffffffff)
- && (channel_id >=0) && (channel_id <= 2) )
+ if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2)
snd_emu10k1x_ptr_write(emu, reg, channel_id, val);
}
}
struct snd_info_entry *entry;
if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) {
- snd_info_set_text_ops(entry, emu, 1024, snd_emu10k1x_proc_reg_read);
- entry->c.text.write_size = 64;
+ snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read);
entry->c.text.write = snd_emu10k1x_proc_reg_write;
entry->mode |= S_IWUSR;
entry->private_data = emu;
return 0;
}
-static int snd_emu10k1x_shared_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
- return 0;
-}
+#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info
static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
do_emu10k1x_midi_interrupt(emu, &emu->midi, status);
}
-static void snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
+static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu,
struct emu10k1x_midi *midi, unsigned char cmd, int ack)
{
unsigned long flags;
ok = 1;
}
spin_unlock_irqrestore(&midi->input_lock, flags);
- if (!ok)
+ if (!ok) {
snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n",
cmd, emu->port,
mpu401_read_stat(emu, midi),
mpu401_read_data(emu, midi));
+ return 1;
+ }
+ return 0;
}
static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream)
unsigned long flags;
emu = midi->emu;
- snd_assert(emu, return -ENXIO);
+ if (snd_BUG_ON(!emu))
+ return -ENXIO;
spin_lock_irqsave(&midi->open_lock, flags);
midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT;
midi->substream_input = substream;
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
spin_unlock_irqrestore(&midi->open_lock, flags);
- snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1);
- snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
+ if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
+ goto error_out;
+ if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
+ goto error_out;
} else {
spin_unlock_irqrestore(&midi->open_lock, flags);
}
return 0;
+
+error_out:
+ return -EIO;
}
static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream)
unsigned long flags;
emu = midi->emu;
- snd_assert(emu, return -ENXIO);
+ if (snd_BUG_ON(!emu))
+ return -ENXIO;
spin_lock_irqsave(&midi->open_lock, flags);
midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT;
midi->substream_output = substream;
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
spin_unlock_irqrestore(&midi->open_lock, flags);
- snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1);
- snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
+ if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1))
+ goto error_out;
+ if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
+ goto error_out;
} else {
spin_unlock_irqrestore(&midi->open_lock, flags);
}
return 0;
+
+error_out:
+ return -EIO;
}
static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream)
struct emu10k1x *emu;
struct emu10k1x_midi *midi = substream->rmidi->private_data;
unsigned long flags;
+ int err = 0;
emu = midi->emu;
- snd_assert(emu, return -ENXIO);
+ if (snd_BUG_ON(!emu))
+ return -ENXIO;
spin_lock_irqsave(&midi->open_lock, flags);
snd_emu10k1x_intr_disable(emu, midi->rx_enable);
midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT;
midi->substream_input = NULL;
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) {
spin_unlock_irqrestore(&midi->open_lock, flags);
- snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
+ err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
} else {
spin_unlock_irqrestore(&midi->open_lock, flags);
}
- return 0;
+ return err;
}
static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream)
struct emu10k1x *emu;
struct emu10k1x_midi *midi = substream->rmidi->private_data;
unsigned long flags;
+ int err = 0;
emu = midi->emu;
- snd_assert(emu, return -ENXIO);
+ if (snd_BUG_ON(!emu))
+ return -ENXIO;
spin_lock_irqsave(&midi->open_lock, flags);
snd_emu10k1x_intr_disable(emu, midi->tx_enable);
midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT;
midi->substream_output = NULL;
if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) {
spin_unlock_irqrestore(&midi->open_lock, flags);
- snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
+ err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0);
} else {
spin_unlock_irqrestore(&midi->open_lock, flags);
}
- return 0;
+ return err;
}
static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up)
struct emu10k1x *emu;
struct emu10k1x_midi *midi = substream->rmidi->private_data;
emu = midi->emu;
- snd_assert(emu, return);
+ if (snd_BUG_ON(!emu))
+ return;
if (up)
snd_emu10k1x_intr_enable(emu, midi->rx_enable);
unsigned long flags;
emu = midi->emu;
- snd_assert(emu, return);
+ if (snd_BUG_ON(!emu))
+ return;
if (up) {
int max = 4;
return -ENOENT;
}
- card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
- if (card == NULL)
- return -ENOMEM;
+ err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
+ if (err < 0)
+ return err;
if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) {
snd_card_free(card);
sprintf(card->longname, "%s at 0x%lx irq %i",
card->shortname, chip->port, chip->irq);
+ snd_card_set_dev(card, &pci->dev);
+
if ((err = snd_card_register(card)) < 0) {
snd_card_free(card);
return err;
}
// PCI IDs
-static struct pci_device_id snd_emu10k1x_ids[] = {
- { 0x1102, 0x0006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Dell OEM version (EMU10K1) */
+static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = {
+ { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids);
// initialization of the module
static int __init alsa_card_emu10k1x_init(void)
{
- int err;
-
- if ((err = pci_register_driver(&driver)) > 0)
- return err;
-
- return 0;
+ return pci_register_driver(&driver);
}
// clean up the module
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff