aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/als4000.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/als4000.c')
-rw-r--r--sound/pci/als4000.c289
1 files changed, 181 insertions, 108 deletions
diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c
index 1904df65026..7b2ff5f4672 100644
--- a/sound/pci/als4000.c
+++ b/sound/pci/als4000.c
@@ -6,6 +6,21 @@
*
* Framework borrowed from Massimo Piccioni's card-als100.c.
*
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
* NOTES
*
* Since Avance does not provide any meaningful documentation, and I
@@ -43,19 +58,9 @@
* Set KSound:
* - value -> some port 0x0c0d
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * ToDo:
+ * - Proper shared IRQ handling?
+ * - power management? (card can do voice wakeup according to datasheet!!)
*/
#include <sound/driver.h>
@@ -100,13 +105,15 @@ module_param_array(joystick_port, int, NULL, 0444);
MODULE_PARM_DESC(joystick_port, "Joystick port address for ALS4000 soundcard. (0 = disabled)");
#endif
-typedef struct {
- struct pci_dev *pci;
+struct snd_card_als4000 {
+ /* most frequent access first */
unsigned long gcr;
+ struct pci_dev *pci;
+ struct snd_sb *chip;
#ifdef SUPPORT_JOYSTICK
struct gameport *gameport;
#endif
-} snd_card_als4000_t;
+};
static struct pci_device_id snd_als4000_ids[] = {
{ 0x4005, 0x4000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* ALS4000 */
@@ -121,7 +128,7 @@ static inline void snd_als4000_gcr_write_addr(unsigned long port, u32 reg, u32 v
outl(val, port+0x08);
}
-static inline void snd_als4000_gcr_write(sb_t *sb, u32 reg, u32 val)
+static inline void snd_als4000_gcr_write(struct snd_sb *sb, u32 reg, u32 val)
{
snd_als4000_gcr_write_addr(sb->alt_port, reg, val);
}
@@ -132,12 +139,12 @@ static inline u32 snd_als4000_gcr_read_addr(unsigned long port, u32 reg)
return inl(port+0x08);
}
-static inline u32 snd_als4000_gcr_read(sb_t *sb, u32 reg)
+static inline u32 snd_als4000_gcr_read(struct snd_sb *sb, u32 reg)
{
return snd_als4000_gcr_read_addr(sb->alt_port, reg);
}
-static void snd_als4000_set_rate(sb_t *chip, unsigned int rate)
+static void snd_als4000_set_rate(struct snd_sb *chip, unsigned int rate)
{
if (!(chip->mode & SB_RATE_LOCK)) {
snd_sbdsp_command(chip, SB_DSP_SAMPLE_RATE_OUT);
@@ -146,13 +153,15 @@ static void snd_als4000_set_rate(sb_t *chip, unsigned int rate)
}
}
-static void snd_als4000_set_capture_dma(sb_t *chip, dma_addr_t addr, unsigned size)
+static inline void snd_als4000_set_capture_dma(struct snd_sb *chip,
+ dma_addr_t addr, unsigned size)
{
snd_als4000_gcr_write(chip, 0xa2, addr);
snd_als4000_gcr_write(chip, 0xa3, (size-1));
}
-static void snd_als4000_set_playback_dma(sb_t *chip, dma_addr_t addr, unsigned size)
+static inline void snd_als4000_set_playback_dma(struct snd_sb *chip,
+ dma_addr_t addr, unsigned size)
{
snd_als4000_gcr_write(chip, 0x91, addr);
snd_als4000_gcr_write(chip, 0x92, (size-1)|0x180000);
@@ -162,7 +171,7 @@ static void snd_als4000_set_playback_dma(sb_t *chip, dma_addr_t addr, unsigned s
#define ALS4000_FORMAT_16BIT (1<<1)
#define ALS4000_FORMAT_STEREO (1<<2)
-static int snd_als4000_get_format(snd_pcm_runtime_t *runtime)
+static int snd_als4000_get_format(struct snd_pcm_runtime *runtime)
{
int result;
@@ -177,7 +186,7 @@ static int snd_als4000_get_format(snd_pcm_runtime_t *runtime)
}
/* structure for setting up playback */
-static struct {
+static const struct {
unsigned char dsp_cmd, dma_on, dma_off, format;
} playback_cmd_vals[]={
/* ALS4000_FORMAT_U8_MONO */
@@ -201,7 +210,7 @@ static struct {
/* structure for setting up capture */
enum { CMD_WIDTH8=0x04, CMD_SIGNED=0x10, CMD_MONO=0x80, CMD_STEREO=0xA0 };
-static unsigned char capture_cmd_vals[]=
+static const unsigned char capture_cmd_vals[]=
{
CMD_WIDTH8|CMD_MONO, /* ALS4000_FORMAT_U8_MONO */
CMD_WIDTH8|CMD_SIGNED|CMD_MONO, /* ALS4000_FORMAT_S8_MONO */
@@ -214,23 +223,22 @@ CMD_SIGNED|CMD_STEREO, /* ALS4000_FORMAT_S16L_STEREO */
};
#define capture_cmd(chip) (capture_cmd_vals[(chip)->capture_format])
-static int snd_als4000_hw_params(snd_pcm_substream_t * substream,
- snd_pcm_hw_params_t * hw_params)
+static int snd_als4000_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_als4000_hw_free(snd_pcm_substream_t * substream)
+static int snd_als4000_hw_free(struct snd_pcm_substream *substream)
{
snd_pcm_lib_free_pages(substream);
return 0;
}
-static int snd_als4000_capture_prepare(snd_pcm_substream_t * substream)
+static int snd_als4000_capture_prepare(struct snd_pcm_substream *substream)
{
- unsigned long flags;
- sb_t *chip = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long size;
unsigned count;
@@ -243,22 +251,21 @@ static int snd_als4000_capture_prepare(snd_pcm_substream_t * substream)
count >>=1;
count--;
- spin_lock_irqsave(&chip->reg_lock, flags);
+ spin_lock_irq(&chip->reg_lock);
snd_als4000_set_rate(chip, runtime->rate);
snd_als4000_set_capture_dma(chip, runtime->dma_addr, size);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
- spin_lock_irqsave(&chip->mixer_lock, flags );
+ spin_unlock_irq(&chip->reg_lock);
+ spin_lock_irq(&chip->mixer_lock);
snd_sbmixer_write(chip, 0xdc, count);
snd_sbmixer_write(chip, 0xdd, count>>8);
- spin_unlock_irqrestore(&chip->mixer_lock, flags );
+ spin_unlock_irq(&chip->mixer_lock);
return 0;
}
-static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream)
+static int snd_als4000_playback_prepare(struct snd_pcm_substream *substream)
{
- unsigned long flags;
- sb_t *chip = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
unsigned long size;
unsigned count;
@@ -277,7 +284,7 @@ static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream)
* reordering, ...). Something seems to get enabled on playback
* that I haven't found out how to disable again, which then causes
* the switching pops to reach the speakers the next time here. */
- spin_lock_irqsave(&chip->reg_lock, flags);
+ spin_lock_irq(&chip->reg_lock);
snd_als4000_set_rate(chip, runtime->rate);
snd_als4000_set_playback_dma(chip, runtime->dma_addr, size);
@@ -288,52 +295,64 @@ static int snd_als4000_playback_prepare(snd_pcm_substream_t *substream)
snd_sbdsp_command(chip, count);
snd_sbdsp_command(chip, count>>8);
snd_sbdsp_command(chip, playback_cmd(chip).dma_off);
- spin_unlock_irqrestore(&chip->reg_lock, flags);
+ spin_unlock_irq(&chip->reg_lock);
return 0;
}
-static int snd_als4000_capture_trigger(snd_pcm_substream_t * substream, int cmd)
+static int snd_als4000_capture_trigger(struct snd_pcm_substream *substream, int cmd)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
int result = 0;
spin_lock(&chip->mixer_lock);
- if (cmd == SNDRV_PCM_TRIGGER_START) {
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
chip->mode |= SB_RATE_LOCK_CAPTURE;
snd_sbmixer_write(chip, 0xde, capture_cmd(chip));
- } else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
chip->mode &= ~SB_RATE_LOCK_CAPTURE;
snd_sbmixer_write(chip, 0xde, 0);
- } else {
+ break;
+ default:
result = -EINVAL;
+ break;
}
spin_unlock(&chip->mixer_lock);
return result;
}
-static int snd_als4000_playback_trigger(snd_pcm_substream_t * substream, int cmd)
+static int snd_als4000_playback_trigger(struct snd_pcm_substream *substream, int cmd)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
int result = 0;
spin_lock(&chip->reg_lock);
- if (cmd == SNDRV_PCM_TRIGGER_START) {
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_RESUME:
chip->mode |= SB_RATE_LOCK_PLAYBACK;
snd_sbdsp_command(chip, playback_cmd(chip).dma_on);
- } else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
+ break;
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
snd_sbdsp_command(chip, playback_cmd(chip).dma_off);
chip->mode &= ~SB_RATE_LOCK_PLAYBACK;
- } else {
+ break;
+ default:
result = -EINVAL;
+ break;
}
spin_unlock(&chip->reg_lock);
return result;
}
-static snd_pcm_uframes_t snd_als4000_capture_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_als4000_capture_pointer(struct snd_pcm_substream *substream)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
unsigned int result;
spin_lock(&chip->reg_lock);
@@ -342,9 +361,9 @@ static snd_pcm_uframes_t snd_als4000_capture_pointer(snd_pcm_substream_t * subst
return bytes_to_frames( substream->runtime, result );
}
-static snd_pcm_uframes_t snd_als4000_playback_pointer(snd_pcm_substream_t * substream)
+static snd_pcm_uframes_t snd_als4000_playback_pointer(struct snd_pcm_substream *substream)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
unsigned result;
spin_lock(&chip->reg_lock);
@@ -353,9 +372,21 @@ static snd_pcm_uframes_t snd_als4000_playback_pointer(snd_pcm_substream_t * subs
return bytes_to_frames( substream->runtime, result );
}
+/* FIXME: this IRQ routine doesn't really support IRQ sharing (we always
+ * return IRQ_HANDLED no matter whether we actually had an IRQ flag or not).
+ * ALS4000a.PDF writes that while ACKing IRQ in PCI block will *not* ACK
+ * the IRQ in the SB core, ACKing IRQ in SB block *will* ACK the PCI IRQ
+ * register (alt_port + 0x0e). Probably something could be optimized here to
+ * query/write one register only...
+ * And even if both registers need to be queried, then there's still the
+ * question of whether it's actually correct to ACK PCI IRQ before reading
+ * SB IRQ like we do now, since ALS4000a.PDF mentions that PCI IRQ will *clear*
+ * SB IRQ status.
+ * And do we *really* need the lock here for *reading* SB_DSP4_IRQSTATUS??
+ * */
static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
- sb_t *chip = dev_id;
+ struct snd_sb *chip = dev_id;
unsigned gcr_status;
unsigned sb_status;
@@ -388,7 +419,7 @@ static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id, struct pt_regs *
/*****************************************************************/
-static snd_pcm_hardware_t snd_als4000_playback =
+static struct snd_pcm_hardware snd_als4000_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID),
@@ -407,7 +438,7 @@ static snd_pcm_hardware_t snd_als4000_playback =
.fifo_size = 0
};
-static snd_pcm_hardware_t snd_als4000_capture =
+static struct snd_pcm_hardware snd_als4000_capture =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID),
@@ -428,38 +459,38 @@ static snd_pcm_hardware_t snd_als4000_capture =
/*****************************************************************/
-static int snd_als4000_playback_open(snd_pcm_substream_t * substream)
+static int snd_als4000_playback_open(struct snd_pcm_substream *substream)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
chip->playback_substream = substream;
runtime->hw = snd_als4000_playback;
return 0;
}
-static int snd_als4000_playback_close(snd_pcm_substream_t * substream)
+static int snd_als4000_playback_close(struct snd_pcm_substream *substream)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
chip->playback_substream = NULL;
snd_pcm_lib_free_pages(substream);
return 0;
}
-static int snd_als4000_capture_open(snd_pcm_substream_t * substream)
+static int snd_als4000_capture_open(struct snd_pcm_substream *substream)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
chip->capture_substream = substream;
runtime->hw = snd_als4000_capture;
return 0;
}
-static int snd_als4000_capture_close(snd_pcm_substream_t * substream)
+static int snd_als4000_capture_close(struct snd_pcm_substream *substream)
{
- sb_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_sb *chip = snd_pcm_substream_chip(substream);
chip->capture_substream = NULL;
snd_pcm_lib_free_pages(substream);
@@ -468,7 +499,7 @@ static int snd_als4000_capture_close(snd_pcm_substream_t * substream)
/******************************************************************/
-static snd_pcm_ops_t snd_als4000_playback_ops = {
+static struct snd_pcm_ops snd_als4000_playback_ops = {
.open = snd_als4000_playback_open,
.close = snd_als4000_playback_close,
.ioctl = snd_pcm_lib_ioctl,
@@ -479,7 +510,7 @@ static snd_pcm_ops_t snd_als4000_playback_ops = {
.pointer = snd_als4000_playback_pointer
};
-static snd_pcm_ops_t snd_als4000_capture_ops = {
+static struct snd_pcm_ops snd_als4000_capture_ops = {
.open = snd_als4000_capture_open,
.close = snd_als4000_capture_close,
.ioctl = snd_pcm_lib_ioctl,
@@ -490,21 +521,13 @@ static snd_pcm_ops_t snd_als4000_capture_ops = {
.pointer = snd_als4000_capture_pointer
};
-static void snd_als4000_pcm_free(snd_pcm_t *pcm)
+static int __devinit snd_als4000_pcm(struct snd_sb *chip, int device)
{
- sb_t *chip = pcm->private_data;
- chip->pcm = NULL;
- snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
-static int __devinit snd_als4000_pcm(sb_t *chip, int device)
-{
- snd_pcm_t *pcm;
+ struct snd_pcm *pcm;
int err;
if ((err = snd_pcm_new(chip->card, "ALS4000 DSP", device, 1, 1, &pcm)) < 0)
return err;
- pcm->private_free = snd_als4000_pcm_free;
pcm->private_data = chip;
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_als4000_playback_ops);
@@ -541,7 +564,7 @@ static void snd_als4000_set_addr(unsigned long gcr,
snd_als4000_gcr_write_addr(gcr, 0xa9, confB);
}
-static void __devinit snd_als4000_configure(sb_t *chip)
+static void snd_als4000_configure(struct snd_sb *chip)
{
unsigned tmp;
int i;
@@ -566,7 +589,7 @@ static void __devinit snd_als4000_configure(sb_t *chip)
}
#ifdef SUPPORT_JOYSTICK
-static int __devinit snd_als4000_create_gameport(snd_card_als4000_t *acard, int dev)
+static int __devinit snd_als4000_create_gameport(struct snd_card_als4000 *acard, int dev)
{
struct gameport *gp;
struct resource *r;
@@ -612,7 +635,7 @@ static int __devinit snd_als4000_create_gameport(snd_card_als4000_t *acard, int
return 0;
}
-static void snd_als4000_free_gameport(snd_card_als4000_t *acard)
+static void snd_als4000_free_gameport(struct snd_card_als4000 *acard)
{
if (acard->gameport) {
struct resource *r = gameport_get_port_data(acard->gameport);
@@ -625,13 +648,13 @@ static void snd_als4000_free_gameport(snd_card_als4000_t *acard)
}
}
#else
-static inline int snd_als4000_create_gameport(snd_card_als4000_t *acard, int dev) { return -ENOSYS; }
-static inline void snd_als4000_free_gameport(snd_card_als4000_t *acard) { }
+static inline int snd_als4000_create_gameport(struct snd_card_als4000 *acard, int dev) { return -ENOSYS; }
+static inline void snd_als4000_free_gameport(struct snd_card_als4000 *acard) { }
#endif
-static void snd_card_als4000_free( snd_card_t *card )
+static void snd_card_als4000_free( struct snd_card *card )
{
- snd_card_als4000_t * acard = (snd_card_als4000_t *)card->private_data;
+ struct snd_card_als4000 * acard = (struct snd_card_als4000 *)card->private_data;
/* make sure that interrupts are disabled */
snd_als4000_gcr_write_addr( acard->gcr, 0x8c, 0);
@@ -645,11 +668,11 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci,
const struct pci_device_id *pci_id)
{
static int dev;
- snd_card_t *card;
- snd_card_als4000_t *acard;
+ struct snd_card *card;
+ struct snd_card_als4000 *acard;
unsigned long gcr;
- sb_t *chip;
- opl3_t *opl3;
+ struct snd_sb *chip;
+ struct snd_opl3 *opl3;
unsigned short word;
int err;
@@ -683,14 +706,14 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci,
pci_set_master(pci);
card = snd_card_new(index[dev], id[dev], THIS_MODULE,
- sizeof( snd_card_als4000_t ) );
+ sizeof( struct snd_card_als4000 ) );
if (card == NULL) {
pci_release_regions(pci);
pci_disable_device(pci);
return -ENOMEM;
}
- acard = (snd_card_als4000_t *)card->private_data;
+ acard = (struct snd_card_als4000 *)card->private_data;
acard->pci = pci;
acard->gcr = gcr;
card->private_free = snd_card_als4000_free;
@@ -706,9 +729,9 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci,
-1,
SB_HW_ALS4000,
&chip)) < 0) {
- snd_card_free(card);
- return err;
+ goto out_err;
}
+ acard->chip = chip;
chip->pci = pci;
chip->alt_port = gcr;
@@ -724,40 +747,42 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci,
if ((err = snd_mpu401_uart_new( card, 0, MPU401_HW_ALS4000,
gcr+0x30, 1, pci->irq, 0,
&chip->rmidi)) < 0) {
- snd_card_free(card);
- printk(KERN_ERR "als4000: no MPU-401device at 0x%lx ?\n", gcr+0x30);
- return err;
+ printk(KERN_ERR "als4000: no MPU-401 device at 0x%lx?\n", gcr+0x30);
+ goto out_err;
}
if ((err = snd_als4000_pcm(chip, 0)) < 0) {
- snd_card_free(card);
- return err;
+ goto out_err;
}
if ((err = snd_sbmixer_new(chip)) < 0) {
- snd_card_free(card);
- return err;
+ goto out_err;
}
if (snd_opl3_create(card, gcr+0x10, gcr+0x12,
OPL3_HW_AUTO, 1, &opl3) < 0) {
- printk(KERN_ERR "als4000: no OPL device at 0x%lx-0x%lx ?\n",
+ printk(KERN_ERR "als4000: no OPL device at 0x%lx-0x%lx?\n",
gcr+0x10, gcr+0x12 );
} else {
if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
- snd_card_free(card);
- return err;
+ goto out_err;
}
}
snd_als4000_create_gameport(acard, dev);
if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
- return err;
+ goto out_err;
}
pci_set_drvdata(pci, card);
dev++;
- return 0;
+ err = 0;
+ goto out;
+
+out_err:
+ snd_card_free(card);
+
+out:
+ return err;
}
static void __devexit snd_card_als4000_remove(struct pci_dev *pci)
@@ -766,11 +791,59 @@ static void __devexit snd_card_als4000_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
+#ifdef CONFIG_PM
+static int snd_als4000_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_card_als4000 *acard = card->private_data;
+ struct snd_sb *chip = acard->chip;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+ snd_pcm_suspend_all(chip->pcm);
+ snd_sbmixer_suspend(chip);
+
+ pci_set_power_state(pci, PCI_D3hot);
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ return 0;
+}
+
+static int snd_als4000_resume(struct pci_dev *pci)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct snd_card_als4000 *acard = card->private_data;
+ struct snd_sb *chip = acard->chip;
+
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_power_state(pci, PCI_D0);
+ pci_set_master(pci);
+
+ snd_als4000_configure(chip);
+ snd_sbdsp_reset(chip);
+ snd_sbmixer_resume(chip);
+
+#ifdef SUPPORT_JOYSTICK
+ if (acard->gameport)
+ snd_als4000_set_addr(acard->gcr, 0, 0, 0, 1);
+#endif
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
+
static struct pci_driver driver = {
.name = "ALS4000",
.id_table = snd_als4000_ids,
.probe = snd_card_als4000_probe,
.remove = __devexit_p(snd_card_als4000_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_als4000_suspend,
+ .resume = snd_als4000_resume,
+#endif
};
static int __init alsa_card_als4000_init(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 05:07:42 +0000