/*
* read and transfer the firmware binary
*/
static int load_firmware(snd_hwdep_t *hw, const char *id, unsigned int idx, int is_pcmcia)
{
int err;
char fname[MAX_PATH];
int is_xilinx = 0;
snd_hwdep_dsp_image_t *dsp;
if (get_file_name(id, idx, fname) < 0)
return -EINVAL;
if (is_pcmcia) {
if (idx == 1)
is_xilinx = 1;
} else {
if (idx == 0)
is_xilinx = 1;
}
snd_hwdep_dsp_image_alloca(&dsp);
snd_hwdep_dsp_image_set_index(dsp, idx);
if (is_xilinx)
err = read_xilinx_image(dsp, fname);
else
err = read_boot_image(dsp, fname);
if (err < 0)
return err;
err = snd_hwdep_dsp_load(hw, dsp);
if (err < 0)
error("error in loading %s\n", fname);
return err;
}
static long snd_hwdep_ioctl(struct file * file, unsigned int cmd, unsigned long arg)
{
snd_hwdep_t *hw = file->private_data;
void __user *argp = (void __user *)arg;
switch (cmd) {
case SNDRV_HWDEP_IOCTL_PVERSION:
return put_user(SNDRV_HWDEP_VERSION, (int __user *)argp);
case SNDRV_HWDEP_IOCTL_INFO:
return snd_hwdep_info(hw, argp);
case SNDRV_HWDEP_IOCTL_DSP_STATUS:
return snd_hwdep_dsp_status(hw, argp);
case SNDRV_HWDEP_IOCTL_DSP_LOAD:
return snd_hwdep_dsp_load(hw, argp);
}
if (hw->ops.ioctl)
return hw->ops.ioctl(hw, file, cmd, arg);
return -ENOTTY;
}
static int snd_hwdep_dsp_load_compat(struct snd_hwdep *hw,
struct snd_hwdep_dsp_image32 __user *src)
{
struct snd_hwdep_dsp_image __user *dst;
compat_caddr_t ptr;
u32 val;
dst = compat_alloc_user_space(sizeof(*dst));
if (copy_in_user(dst, src, 4 + 64))
return -EFAULT;
if (get_user(ptr, &src->image) ||
put_user(compat_ptr(ptr), &dst->image))
return -EFAULT;
if (get_user(val, &src->length) ||
put_user(val, &dst->length))
return -EFAULT;
if (get_user(val, &src->driver_data) ||
put_user(val, &dst->driver_data))
return -EFAULT;
return snd_hwdep_dsp_load(hw, dst);
}