diff options
Diffstat (limited to 'sound/isa/ad1816a/ad1816a_lib.c')
| -rw-r--r-- | sound/isa/ad1816a/ad1816a_lib.c | 89 |
1 files changed, 51 insertions, 38 deletions
diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c index fd9b61eda0f..f0fd98e695e 100644 --- a/sound/isa/ad1816a/ad1816a_lib.c +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -17,7 +17,6 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <sound/driver.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -38,7 +37,7 @@ static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip) if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY) return 0; - snd_printk("chip busy.\n"); + snd_printk(KERN_WARNING "chip busy.\n"); return -EBUSY; } @@ -197,7 +196,7 @@ static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what, spin_unlock(&chip->lock); break; default: - snd_printk("invalid trigger mode 0x%x.\n", what); + snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what); error = -EINVAL; } @@ -315,7 +314,7 @@ static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *s } -static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id) { struct snd_ad1816a *chip = dev_id; unsigned char status; @@ -378,7 +377,6 @@ static struct snd_pcm_hardware snd_ad1816a_capture = { .fifo_size = 0, }; -#if 0 /* not used now */ static int snd_ad1816a_timer_close(struct snd_timer *timer) { struct snd_ad1816a *chip = snd_timer_chip(timer); @@ -395,7 +393,8 @@ static int snd_ad1816a_timer_open(struct snd_timer *timer) static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer) { - snd_assert(timer != NULL, return 0); + if (snd_BUG_ON(!timer)) + return 0; return 10000; } @@ -442,8 +441,6 @@ static struct snd_timer_hardware snd_ad1816a_timer_table = { .start = snd_ad1816a_timer_start, .stop = snd_ad1816a_timer_stop, }; -#endif /* not used now */ - static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream) { @@ -453,7 +450,6 @@ static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream) if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0) return error; - snd_pcm_set_sync(substream); runtime->hw = snd_ad1816a_playback; snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); @@ -469,7 +465,6 @@ static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream) if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0) return error; - snd_pcm_set_sync(substream); runtime->hw = snd_ad1816a_capture; snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); @@ -496,7 +491,7 @@ static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream) } -static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip) +static void snd_ad1816a_init(struct snd_ad1816a *chip) { unsigned long flags; @@ -516,7 +511,33 @@ static void __devinit snd_ad1816a_init(struct snd_ad1816a *chip) spin_unlock_irqrestore(&chip->lock, flags); } -static int __devinit snd_ad1816a_probe(struct snd_ad1816a *chip) +#ifdef CONFIG_PM +void snd_ad1816a_suspend(struct snd_ad1816a *chip) +{ + int reg; + unsigned long flags; + + snd_pcm_suspend_all(chip->pcm); + spin_lock_irqsave(&chip->lock, flags); + for (reg = 0; reg < 48; reg++) + chip->image[reg] = snd_ad1816a_read(chip, reg); + spin_unlock_irqrestore(&chip->lock, flags); +} + +void snd_ad1816a_resume(struct snd_ad1816a *chip) +{ + int reg; + unsigned long flags; + + snd_ad1816a_init(chip); + spin_lock_irqsave(&chip->lock, flags); + for (reg = 0; reg < 48; reg++) + snd_ad1816a_write(chip, reg, chip->image[reg]); + spin_unlock_irqrestore(&chip->lock, flags); +} +#endif + +static int snd_ad1816a_probe(struct snd_ad1816a *chip) { unsigned long flags; @@ -553,7 +574,6 @@ static int snd_ad1816a_free(struct snd_ad1816a *chip) snd_dma_disable(chip->dma2); free_dma(chip->dma2); } - kfree(chip); return 0; } @@ -563,34 +583,28 @@ static int snd_ad1816a_dev_free(struct snd_device *device) return snd_ad1816a_free(chip); } -static const char __devinit *snd_ad1816a_chip_id(struct snd_ad1816a *chip) +static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip) { switch (chip->hardware) { case AD1816A_HW_AD1816A: return "AD1816A"; case AD1816A_HW_AD1815: return "AD1815"; case AD1816A_HW_AD18MAX10: return "AD18max10"; default: - snd_printk("Unknown chip version %d:%d.\n", + snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n", chip->version, chip->hardware); return "AD1816A - unknown"; } } -int __devinit snd_ad1816a_create(struct snd_card *card, - unsigned long port, int irq, int dma1, int dma2, - struct snd_ad1816a **rchip) +int snd_ad1816a_create(struct snd_card *card, + unsigned long port, int irq, int dma1, int dma2, + struct snd_ad1816a *chip) { static struct snd_device_ops ops = { .dev_free = snd_ad1816a_dev_free, }; int error; - struct snd_ad1816a *chip; - *rchip = NULL; - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) - return -ENOMEM; chip->irq = -1; chip->dma1 = -1; chip->dma2 = -1; @@ -600,7 +614,7 @@ int __devinit snd_ad1816a_create(struct snd_card *card, snd_ad1816a_free(chip); return -EBUSY; } - if (request_irq(irq, snd_ad1816a_interrupt, IRQF_DISABLED, "AD1816A", (void *) chip)) { + if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) { snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq); snd_ad1816a_free(chip); return -EBUSY; @@ -636,7 +650,6 @@ int __devinit snd_ad1816a_create(struct snd_card *card, return error; } - *rchip = chip; return 0; } @@ -662,7 +675,7 @@ static struct snd_pcm_ops snd_ad1816a_capture_ops = { .pointer = snd_ad1816a_capture_pointer, }; -int __devinit snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm) +int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_pcm **rpcm) { int error; struct snd_pcm *pcm; @@ -689,8 +702,8 @@ int __devinit snd_ad1816a_pcm(struct snd_ad1816a *chip, int device, struct snd_p return 0; } -#if 0 /* not used now */ -int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd_timer **rtimer) +int snd_ad1816a_timer(struct snd_ad1816a *chip, int device, + struct snd_timer **rtimer) { struct snd_timer *timer; struct snd_timer_id tid; @@ -711,7 +724,6 @@ int __devinit snd_ad1816a_timer(struct snd_ad1816a *chip, int device, struct snd *rtimer = timer; return 0; } -#endif /* not used now */ /* * @@ -906,13 +918,13 @@ static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_ return change; } -static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); -static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); -static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); -static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); -static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); +static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); -static struct snd_kcontrol_new snd_ad1816a_controls[] __devinitdata = { +static struct snd_kcontrol_new snd_ad1816a_controls[] = { AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1, db_scale_5bit), @@ -958,13 +970,14 @@ AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1), AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0), }; -int __devinit snd_ad1816a_mixer(struct snd_ad1816a *chip) +int snd_ad1816a_mixer(struct snd_ad1816a *chip) { struct snd_card *card; unsigned int idx; int err; - snd_assert(chip != NULL && chip->card != NULL, return -EINVAL); + if (snd_BUG_ON(!chip || !chip->card)) + return -EINVAL; card = chip->card; |
