diff options
author | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-13 20:13:56 +0400 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-10-13 20:13:56 +0400 |
commit | e758936e02700ff88a0b08b722a3847b95283ef2 (patch) | |
tree | 50c919bef1b459a778b85159d5929de95b6c4a01 /sound/sparc/amd7930.c | |
parent | 239cfbde1f5843c4a24199f117d5f67f637d72d5 (diff) | |
parent | 4480f15b3306f43bbb0310d461142b4e897ca45b (diff) | |
download | linux-e758936e02700ff88a0b08b722a3847b95283ef2.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
include/asm-x86/statfs.h
Diffstat (limited to 'sound/sparc/amd7930.c')
-rw-r--r-- | sound/sparc/amd7930.c | 104 |
1 files changed, 23 insertions, 81 deletions
diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index 0c63e0585b15..f87933e48812 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -1,6 +1,6 @@ /* * Driver for AMD7930 sound chips found on Sparcs. - * Copyright (C) 2002 David S. Miller <davem@redhat.com> + * Copyright (C) 2002, 2008 David S. Miller <davem@davemloft.net> * * Based entirely upon drivers/sbus/audio/amd7930.c which is: * Copyright (C) 1996,1997 Thomas K. Dyas (tdyas@eden.rutgers.edu) @@ -35,6 +35,8 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/moduleparam.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> @@ -44,7 +46,6 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/sbus.h> #include <asm/prom.h> static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ @@ -335,8 +336,8 @@ struct snd_amd7930 { int pgain; int mgain; + struct of_device *op; unsigned int irq; - unsigned int regs_size; struct snd_amd7930 *next; }; @@ -765,7 +766,6 @@ static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd) /* playback count */ 1, /* capture count */ 1, &pcm)) < 0) return err; - snd_assert(pcm != NULL, return -EINVAL); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_amd7930_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_amd7930_capture_ops); @@ -788,13 +788,6 @@ static int __devinit snd_amd7930_pcm(struct snd_amd7930 *amd) static int snd_amd7930_info_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem_info *uinfo) { - int type = kctl->private_value; - - snd_assert(type == VOLUME_MONITOR || - type == VOLUME_CAPTURE || - type == VOLUME_PLAYBACK, return -EINVAL); - (void) type; - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; @@ -809,10 +802,6 @@ static int snd_amd7930_get_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem int type = kctl->private_value; int *swval; - snd_assert(type == VOLUME_MONITOR || - type == VOLUME_CAPTURE || - type == VOLUME_PLAYBACK, return -EINVAL); - switch (type) { case VOLUME_MONITOR: swval = &amd->mgain; @@ -838,10 +827,6 @@ static int snd_amd7930_put_volume(struct snd_kcontrol *kctl, struct snd_ctl_elem int type = kctl->private_value; int *swval, change; - snd_assert(type == VOLUME_MONITOR || - type == VOLUME_CAPTURE || - type == VOLUME_PLAYBACK, return -EINVAL); - switch (type) { case VOLUME_MONITOR: swval = &amd->mgain; @@ -904,7 +889,8 @@ static int __devinit snd_amd7930_mixer(struct snd_amd7930 *amd) struct snd_card *card; int idx, err; - snd_assert(amd != NULL && amd->card != NULL, return -EINVAL); + if (snd_BUG_ON(!amd || !amd->card)) + return -EINVAL; card = amd->card; strcpy(card->mixername, card->shortname); @@ -920,13 +906,16 @@ static int __devinit snd_amd7930_mixer(struct snd_amd7930 *amd) static int snd_amd7930_free(struct snd_amd7930 *amd) { + struct of_device *op = amd->op; + amd7930_idle(amd); if (amd->irq) free_irq(amd->irq, amd); if (amd->regs) - sbus_iounmap(amd->regs, amd->regs_size); + of_iounmap(&op->resource[0], amd->regs, + resource_size(&op->resource[0])); kfree(amd); @@ -945,13 +934,12 @@ static struct snd_device_ops snd_amd7930_dev_ops = { }; static int __devinit snd_amd7930_create(struct snd_card *card, - struct resource *rp, - unsigned int reg_size, + struct of_device *op, int irq, int dev, struct snd_amd7930 **ramd) { - unsigned long flags; struct snd_amd7930 *amd; + unsigned long flags; int err; *ramd = NULL; @@ -961,9 +949,10 @@ static int __devinit snd_amd7930_create(struct snd_card *card, spin_lock_init(&amd->lock); amd->card = card; - amd->regs_size = reg_size; + amd->op = op; - amd->regs = sbus_ioremap(rp, 0, amd->regs_size, "amd7930"); + amd->regs = of_ioremap(&op->resource[0], 0, + resource_size(&op->resource[0]), "amd7930"); if (!amd->regs) { snd_printk("amd7930-%d: Unable to map chip registers.\n", dev); return -EIO; @@ -1012,12 +1001,15 @@ static int __devinit snd_amd7930_create(struct snd_card *card, return 0; } -static int __devinit amd7930_attach_common(struct resource *rp, int irq) +static int __devinit amd7930_sbus_probe(struct of_device *op, const struct of_device_id *match) { + struct resource *rp = &op->resource[0]; static int dev_num; struct snd_card *card; struct snd_amd7930 *amd; - int err; + int err, irq; + + irq = op->irqs[0]; if (dev_num >= SNDRV_CARDS) return -ENODEV; @@ -1038,8 +1030,7 @@ static int __devinit amd7930_attach_common(struct resource *rp, int irq) (unsigned long long)rp->start, irq); - if ((err = snd_amd7930_create(card, rp, - (rp->end - rp->start) + 1, + if ((err = snd_amd7930_create(card, op, irq, dev_num, &amd)) < 0) goto out_err; @@ -1064,43 +1055,7 @@ out_err: return err; } -static int __devinit amd7930_obio_attach(struct device_node *dp) -{ - const struct linux_prom_registers *regs; - const struct linux_prom_irqs *irqp; - struct resource res, *rp; - int len; - - irqp = of_get_property(dp, "intr", &len); - if (!irqp) { - snd_printk("%s: Firmware node lacks IRQ property.\n", - dp->full_name); - return -ENODEV; - } - - regs = of_get_property(dp, "reg", &len); - if (!regs) { - snd_printk("%s: Firmware node lacks register property.\n", - dp->full_name); - return -ENODEV; - } - - rp = &res; - rp->start = regs->phys_addr; - rp->end = rp->start + regs->reg_size - 1; - rp->flags = IORESOURCE_IO | (regs->which_io & 0xff); - - return amd7930_attach_common(rp, irqp->pri); -} - -static int __devinit amd7930_sbus_probe(struct of_device *dev, const struct of_device_id *match) -{ - struct sbus_dev *sdev = to_sbus_device(&dev->dev); - - return amd7930_attach_common(&sdev->resource[0], sdev->irqs[0]); -} - -static struct of_device_id amd7930_match[] = { +static const struct of_device_id amd7930_match[] = { { .name = "audio", }, @@ -1115,20 +1070,7 @@ static struct of_platform_driver amd7930_sbus_driver = { static int __init amd7930_init(void) { - struct device_node *dp; - - /* Try to find the sun4c "audio" node first. */ - dp = of_find_node_by_path("/"); - dp = dp->child; - while (dp) { - if (!strcmp(dp->name, "audio")) - amd7930_obio_attach(dp); - - dp = dp->sibling; - } - - /* Probe each SBUS for amd7930 chips. */ - return of_register_driver(&amd7930_sbus_driver, &sbus_bus_type); + return of_register_driver(&amd7930_sbus_driver, &of_bus_type); } static void __exit amd7930_exit(void) |