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Diffstat (limited to 'sound/pci/es1968.c')
-rw-r--r--sound/pci/es1968.c68
1 files changed, 13 insertions, 55 deletions
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index ab0a6156a704..99ea9320c6b5 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -554,9 +554,8 @@ struct es1968 {
#else
struct snd_kcontrol *master_switch; /* for h/w volume control */
struct snd_kcontrol *master_volume;
- spinlock_t ac97_lock;
- struct tasklet_struct hwvol_tq;
#endif
+ struct work_struct hwvol_work;
#ifdef CONFIG_SND_ES1968_RADIO
struct snd_tea575x tea;
@@ -646,38 +645,23 @@ static int snd_es1968_ac97_wait_poll(struct es1968 *chip)
static void snd_es1968_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val)
{
struct es1968 *chip = ac97->private_data;
-#ifndef CONFIG_SND_ES1968_INPUT
- unsigned long flags;
-#endif
snd_es1968_ac97_wait(chip);
/* Write the bus */
-#ifndef CONFIG_SND_ES1968_INPUT
- spin_lock_irqsave(&chip->ac97_lock, flags);
-#endif
outw(val, chip->io_port + ESM_AC97_DATA);
/*msleep(1);*/
outb(reg, chip->io_port + ESM_AC97_INDEX);
/*msleep(1);*/
-#ifndef CONFIG_SND_ES1968_INPUT
- spin_unlock_irqrestore(&chip->ac97_lock, flags);
-#endif
}
static unsigned short snd_es1968_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
{
u16 data = 0;
struct es1968 *chip = ac97->private_data;
-#ifndef CONFIG_SND_ES1968_INPUT
- unsigned long flags;
-#endif
snd_es1968_ac97_wait(chip);
-#ifndef CONFIG_SND_ES1968_INPUT
- spin_lock_irqsave(&chip->ac97_lock, flags);
-#endif
outb(reg | 0x80, chip->io_port + ESM_AC97_INDEX);
/*msleep(1);*/
@@ -685,9 +669,6 @@ static unsigned short snd_es1968_ac97_read(struct snd_ac97 *ac97, unsigned short
data = inw(chip->io_port + ESM_AC97_DATA);
/*msleep(1);*/
}
-#ifndef CONFIG_SND_ES1968_INPUT
- spin_unlock_irqrestore(&chip->ac97_lock, flags);
-#endif
return data;
}
@@ -1904,13 +1885,10 @@ static void snd_es1968_update_pcm(struct es1968 *chip, struct esschan *es)
(without wrap around) in response to volume button presses and then
generating an interrupt. The pair of counters is stored in bits 1-3 and 5-7
of a byte wide register. The meaning of bits 0 and 4 is unknown. */
-static void es1968_update_hw_volume(unsigned long private_data)
+static void es1968_update_hw_volume(struct work_struct *work)
{
- struct es1968 *chip = (struct es1968 *) private_data;
+ struct es1968 *chip = container_of(work, struct es1968, hwvol_work);
int x, val;
-#ifndef CONFIG_SND_ES1968_INPUT
- unsigned long flags;
-#endif
/* Figure out which volume control button was pushed,
based on differences from the default register
@@ -1929,18 +1907,11 @@ static void es1968_update_hw_volume(unsigned long private_data)
if (! chip->master_switch || ! chip->master_volume)
return;
- /* FIXME: we can't call snd_ac97_* functions since here is in tasklet. */
- spin_lock_irqsave(&chip->ac97_lock, flags);
- val = chip->ac97->regs[AC97_MASTER];
+ val = snd_ac97_read(chip->ac97, AC97_MASTER);
switch (x) {
case 0x88:
/* mute */
val ^= 0x8000;
- chip->ac97->regs[AC97_MASTER] = val;
- outw(val, chip->io_port + ESM_AC97_DATA);
- outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX);
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &chip->master_switch->id);
break;
case 0xaa:
/* volume up */
@@ -1948,11 +1919,6 @@ static void es1968_update_hw_volume(unsigned long private_data)
val--;
if ((val & 0x7f00) > 0)
val -= 0x0100;
- chip->ac97->regs[AC97_MASTER] = val;
- outw(val, chip->io_port + ESM_AC97_DATA);
- outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX);
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &chip->master_volume->id);
break;
case 0x66:
/* volume down */
@@ -1960,14 +1926,11 @@ static void es1968_update_hw_volume(unsigned long private_data)
val++;
if ((val & 0x7f00) < 0x1f00)
val += 0x0100;
- chip->ac97->regs[AC97_MASTER] = val;
- outw(val, chip->io_port + ESM_AC97_DATA);
- outb(AC97_MASTER, chip->io_port + ESM_AC97_INDEX);
- snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
- &chip->master_volume->id);
break;
}
- spin_unlock_irqrestore(&chip->ac97_lock, flags);
+ if (snd_ac97_update(chip->ac97, AC97_MASTER, val))
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &chip->master_volume->id);
#else
if (!chip->input_dev)
return;
@@ -2013,11 +1976,7 @@ static irqreturn_t snd_es1968_interrupt(int irq, void *dev_id)
outw(inw(chip->io_port + 4) & 1, chip->io_port + 4);
if (event & ESM_HWVOL_IRQ)
-#ifdef CONFIG_SND_ES1968_INPUT
- es1968_update_hw_volume((unsigned long)chip);
-#else
- tasklet_schedule(&chip->hwvol_tq); /* we'll do this later */
-#endif
+ schedule_work(&chip->hwvol_work);
/* else ack 'em all, i imagine */
outb(0xFF, chip->io_port + 0x1A);
@@ -2426,6 +2385,7 @@ static int es1968_suspend(struct pci_dev *pci, pm_message_t state)
return 0;
chip->in_suspend = 1;
+ cancel_work_sync(&chip->hwvol_work);
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
snd_ac97_suspend(chip->ac97);
@@ -2638,6 +2598,7 @@ static struct snd_tea575x_ops snd_es1968_tea_ops = {
static int snd_es1968_free(struct es1968 *chip)
{
+ cancel_work_sync(&chip->hwvol_work);
#ifdef CONFIG_SND_ES1968_INPUT
if (chip->input_dev)
input_unregister_device(chip->input_dev);
@@ -2728,10 +2689,7 @@ static int __devinit snd_es1968_create(struct snd_card *card,
INIT_LIST_HEAD(&chip->buf_list);
INIT_LIST_HEAD(&chip->substream_list);
mutex_init(&chip->memory_mutex);
-#ifndef CONFIG_SND_ES1968_INPUT
- spin_lock_init(&chip->ac97_lock);
- tasklet_init(&chip->hwvol_tq, es1968_update_hw_volume, (unsigned long)chip);
-#endif
+ INIT_WORK(&chip->hwvol_work, es1968_update_hw_volume);
chip->card = card;
chip->pci = pci;
chip->irq = -1;
@@ -2746,7 +2704,7 @@ static int __devinit snd_es1968_create(struct snd_card *card,
}
chip->io_port = pci_resource_start(pci, 0);
if (request_irq(pci->irq, snd_es1968_interrupt, IRQF_SHARED,
- "ESS Maestro", chip)) {
+ KBUILD_MODNAME, chip)) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
snd_es1968_free(chip);
return -EBUSY;
@@ -2925,7 +2883,7 @@ static void __devexit snd_es1968_remove(struct pci_dev *pci)
}
static struct pci_driver driver = {
- .name = "ES1968 (ESS Maestro)",
+ .name = KBUILD_MODNAME,
.id_table = snd_es1968_ids,
.probe = snd_es1968_probe,
.remove = __devexit_p(snd_es1968_remove),
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-18 23:40:31 +0000