* Licensed under the GPL
*/
-#include "linux/config.h"
#include "linux/module.h"
#include "linux/init.h"
#include "linux/slab.h"
#include "asm/uaccess.h"
#include "kern_util.h"
#include "init.h"
-#include "hostaudio.h"
+#include "os.h"
+
+struct hostaudio_state {
+ int fd;
+};
+
+struct hostmixer_state {
+ int fd;
+};
+
+#define HOSTAUDIO_DEV_DSP "/dev/sound/dsp"
+#define HOSTAUDIO_DEV_MIXER "/dev/sound/mixer"
/* Only changed from linux_main at boot time */
char *dsp = HOSTAUDIO_DEV_DSP;
" The default is \"" HOSTAUDIO_DEV_DSP "\".\n\n"
#define MIXER_HELP \
-" This is used to specify the host mixer device to the hostaudio driver.\n" \
+" This is used to specify the host mixer device to the hostaudio driver.\n"\
" The default is \"" HOSTAUDIO_DEV_MIXER "\".\n\n"
#ifndef MODULE
#else /*MODULE*/
-MODULE_PARM(dsp, "s");
+module_param(dsp, charp, 0644);
MODULE_PARM_DESC(dsp, DSP_HELP);
-MODULE_PARM(mixer, "s");
+module_param(mixer, charp, 0644);
MODULE_PARM_DESC(mixer, MIXER_HELP);
#endif
/* /dev/dsp file operations */
-static ssize_t hostaudio_read(struct file *file, char *buffer, size_t count,
- loff_t *ppos)
+static ssize_t hostaudio_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ppos)
{
struct hostaudio_state *state = file->private_data;
void *kbuf;
if(kbuf == NULL)
return(-ENOMEM);
- err = hostaudio_read_user(state, kbuf, count, ppos);
+ err = os_read_file(state->fd, kbuf, count);
if(err < 0)
goto out;
return(err);
}
-static ssize_t hostaudio_write(struct file *file, const char *buffer,
+static ssize_t hostaudio_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
struct hostaudio_state *state = file->private_data;
if(copy_from_user(kbuf, buffer, count))
goto out;
- err = hostaudio_write_user(state, kbuf, count, ppos);
+ err = os_write_file(state->fd, kbuf, count);
if(err < 0)
goto out;
+ *ppos += err;
out:
kfree(kbuf);
case SNDCTL_DSP_CHANNELS:
case SNDCTL_DSP_SUBDIVIDE:
case SNDCTL_DSP_SETFRAGMENT:
- if(get_user(data, (int *) arg))
+ if(get_user(data, (int __user *) arg))
return(-EFAULT);
break;
default:
break;
}
- err = hostaudio_ioctl_user(state, cmd, (unsigned long) &data);
+ err = os_ioctl_generic(state->fd, cmd, (unsigned long) &data);
switch(cmd){
case SNDCTL_DSP_SPEED:
case SNDCTL_DSP_CHANNELS:
case SNDCTL_DSP_SUBDIVIDE:
case SNDCTL_DSP_SETFRAGMENT:
- if(put_user(data, (int *) arg))
+ if(put_user(data, (int __user *) arg))
return(-EFAULT);
break;
default:
#endif
state = kmalloc(sizeof(struct hostaudio_state), GFP_KERNEL);
- if(state == NULL) return(-ENOMEM);
+ if(state == NULL)
+ return(-ENOMEM);
if(file->f_mode & FMODE_READ) r = 1;
if(file->f_mode & FMODE_WRITE) w = 1;
- ret = hostaudio_open_user(state, r, w, dsp);
+ ret = os_open_file(dsp, of_set_rw(OPENFLAGS(), r, w), 0);
if(ret < 0){
kfree(state);
return(ret);
}
+ state->fd = ret;
file->private_data = state;
return(0);
}
static int hostaudio_release(struct inode *inode, struct file *file)
{
struct hostaudio_state *state = file->private_data;
- int ret;
#ifdef DEBUG
printk("hostaudio: release called\n");
#endif
- ret = hostaudio_release_user(state);
+ os_close_file(state->fd);
kfree(state);
- return(ret);
+ return(0);
}
/* /dev/mixer file operations */
printk("hostmixer: ioctl called\n");
#endif
- return(hostmixer_ioctl_mixdev_user(state, cmd, arg));
+ return(os_ioctl_generic(state->fd, cmd, arg));
}
static int hostmixer_open_mixdev(struct inode *inode, struct file *file)
if(file->f_mode & FMODE_READ) r = 1;
if(file->f_mode & FMODE_WRITE) w = 1;
- ret = hostmixer_open_mixdev_user(state, r, w, mixer);
+ ret = os_open_file(mixer, of_set_rw(OPENFLAGS(), r, w), 0);
if(ret < 0){
+ printk("hostaudio_open_mixdev failed to open '%s', err = %d\n",
+ dsp, -ret);
kfree(state);
return(ret);
}
static int hostmixer_release(struct inode *inode, struct file *file)
{
struct hostmixer_state *state = file->private_data;
- int ret;
#ifdef DEBUG
printk("hostmixer: release called\n");
#endif
- ret = hostmixer_release_mixdev_user(state);
+ os_close_file(state->fd);
kfree(state);
- return(ret);
+ return(0);
}
/* kernel module operations */
-static struct file_operations hostaudio_fops = {
+static const struct file_operations hostaudio_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.read = hostaudio_read,
.release = hostaudio_release,
};
-static struct file_operations hostmixer_fops = {
+static const struct file_operations hostmixer_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.ioctl = hostmixer_ioctl_mixdev,