#include <linux/init.h>
#include <linux/slab.h>
#include <linux/input.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include <sound/core.h>
#include <sound/control.h>
#include "pmac.h"
-struct snd_pmac_beep {
- int running; /* boolean */
- int volume; /* mixer volume: 0-100 */
+struct pmac_beep {
+ int running; /* boolean */
+ int volume; /* mixer volume: 0-100 */
int volume_play; /* currently playing volume */
int hz;
int nsamples;
short *buf; /* allocated wave buffer */
- unsigned long addr; /* physical address of buffer */
- struct input_dev dev;
+ dma_addr_t addr; /* physical address of buffer */
+ struct input_dev *dev;
};
/*
* stop beep if running
*/
-void snd_pmac_beep_stop(pmac_t *chip)
+void snd_pmac_beep_stop(struct snd_pmac *chip)
{
- pmac_beep_t *beep = chip->beep;
+ struct pmac_beep *beep = chip->beep;
if (beep && beep->running) {
beep->running = 0;
snd_pmac_beep_dma_stop(chip);
#define BEEP_BUFLEN 512
#define BEEP_VOLUME 15 /* 0 - 100 */
-static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type, unsigned int code, int hz)
+static int snd_pmac_beep_event(struct input_dev *dev, unsigned int type,
+ unsigned int code, int hz)
{
- pmac_t *chip;
- pmac_beep_t *beep;
+ struct snd_pmac *chip;
+ struct pmac_beep *beep;
unsigned long flags;
int beep_speed = 0;
int srate;
* beep volume mixer
*/
-#define chip_t pmac_t
-
-static int snd_pmac_info_beep(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
+static int snd_pmac_info_beep(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = 1;
return 0;
}
-static int snd_pmac_get_beep(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int snd_pmac_get_beep(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
snd_assert(chip->beep, return -ENXIO);
ucontrol->value.integer.value[0] = chip->beep->volume;
return 0;
}
-static int snd_pmac_put_beep(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
+static int snd_pmac_put_beep(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
{
- pmac_t *chip = snd_kcontrol_chip(kcontrol);
+ struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
int oval;
snd_assert(chip->beep, return -ENXIO);
oval = chip->beep->volume;
return oval != chip->beep->volume;
}
-static snd_kcontrol_new_t snd_pmac_beep_mixer = {
+static struct snd_kcontrol_new snd_pmac_beep_mixer = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Beep Playback Volume",
.info = snd_pmac_info_beep,
};
/* Initialize beep stuff */
-int __init snd_pmac_attach_beep(pmac_t *chip)
+int __init snd_pmac_attach_beep(struct snd_pmac *chip)
{
- pmac_beep_t *beep;
- int err;
-
- beep = kmalloc(sizeof(*beep), GFP_KERNEL);
- if (! beep)
- return -ENOMEM;
-
- memset(beep, 0, sizeof(*beep));
- beep->buf = (short *) kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
- if (! beep->buf) {
- kfree(beep);
- return -ENOMEM;
- }
- beep->addr = virt_to_bus(beep->buf);
+ struct pmac_beep *beep;
+ struct input_dev *input_dev;
+ void *dmabuf;
+ int err = -ENOMEM;
- beep->dev.evbit[0] = BIT(EV_SND);
- beep->dev.sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
- beep->dev.event = snd_pmac_beep_event;
- beep->dev.private = chip;
+ beep = kzalloc(sizeof(*beep), GFP_KERNEL);
+ dmabuf = dma_alloc_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,
+ &beep->addr, GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!beep || !dmabuf || !input_dev)
+ goto fail;
/* FIXME: set more better values */
- beep->dev.name = "PowerMac Beep";
- beep->dev.phys = "powermac/beep";
- beep->dev.id.bustype = BUS_ADB;
- beep->dev.id.vendor = 0x001f;
- beep->dev.id.product = 0x0001;
- beep->dev.id.version = 0x0100;
+ input_dev->name = "PowerMac Beep";
+ input_dev->phys = "powermac/beep";
+ input_dev->id.bustype = BUS_ADB;
+ input_dev->id.vendor = 0x001f;
+ input_dev->id.product = 0x0001;
+ input_dev->id.version = 0x0100;
+ input_dev->evbit[0] = BIT(EV_SND);
+ input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
+ input_dev->event = snd_pmac_beep_event;
+ input_dev->private = chip;
+ input_dev->cdev.dev = &chip->pdev->dev;
+
+ beep->dev = input_dev;
+ beep->buf = dmabuf;
beep->volume = BEEP_VOLUME;
beep->running = 0;
- if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_beep_mixer, chip))) < 0) {
- kfree(beep->buf);
- kfree(beep);
- return err;
- }
+
+ err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_beep_mixer, chip));
+ if (err < 0)
+ goto fail;
chip->beep = beep;
- input_register_device(&beep->dev);
+ input_register_device(beep->dev);
return 0;
+
+ fail: input_free_device(input_dev);
+ kfree(dmabuf);
+ kfree(beep);
+ return err;
}
-void snd_pmac_detach_beep(pmac_t *chip)
+void snd_pmac_detach_beep(struct snd_pmac *chip)
{
if (chip->beep) {
- input_unregister_device(&chip->beep->dev);
- kfree(chip->beep->buf);
+ input_unregister_device(chip->beep->dev);
+ dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,
+ chip->beep->buf, chip->beep->addr);
kfree(chip->beep);
chip->beep = NULL;
}
git.openpandora.org / pandora-kernel.git / blobdiff