diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/core/rawmidi_compat.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/core/rawmidi_compat.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/ANDROID_3.4.5/sound/core/rawmidi_compat.c b/ANDROID_3.4.5/sound/core/rawmidi_compat.c deleted file mode 100644 index 5268c1f5..00000000 --- a/ANDROID_3.4.5/sound/core/rawmidi_compat.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * 32bit -> 64bit ioctl wrapper for raw MIDI API - * Copyright (c) by Takashi Iwai <tiwai@suse.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -/* This file included from rawmidi.c */ - -#include <linux/compat.h> - -struct snd_rawmidi_params32 { - s32 stream; - u32 buffer_size; - u32 avail_min; - unsigned int no_active_sensing; /* avoid bit-field */ - unsigned char reserved[16]; -} __attribute__((packed)); - -static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile, - struct snd_rawmidi_params32 __user *src) -{ - struct snd_rawmidi_params params; - unsigned int val; - - if (rfile->output == NULL) - return -EINVAL; - if (get_user(params.stream, &src->stream) || - get_user(params.buffer_size, &src->buffer_size) || - get_user(params.avail_min, &src->avail_min) || - get_user(val, &src->no_active_sensing)) - return -EFAULT; - params.no_active_sensing = val; - switch (params.stream) { - case SNDRV_RAWMIDI_STREAM_OUTPUT: - return snd_rawmidi_output_params(rfile->output, ¶ms); - case SNDRV_RAWMIDI_STREAM_INPUT: - return snd_rawmidi_input_params(rfile->input, ¶ms); - } - return -EINVAL; -} - -struct snd_rawmidi_status32 { - s32 stream; - struct compat_timespec tstamp; - u32 avail; - u32 xruns; - unsigned char reserved[16]; -} __attribute__((packed)); - -static int snd_rawmidi_ioctl_status_compat(struct snd_rawmidi_file *rfile, - struct snd_rawmidi_status32 __user *src) -{ - int err; - struct snd_rawmidi_status status; - - if (rfile->output == NULL) - return -EINVAL; - if (get_user(status.stream, &src->stream)) - return -EFAULT; - - switch (status.stream) { - case SNDRV_RAWMIDI_STREAM_OUTPUT: - err = snd_rawmidi_output_status(rfile->output, &status); - break; - case SNDRV_RAWMIDI_STREAM_INPUT: - err = snd_rawmidi_input_status(rfile->input, &status); - break; - default: - return -EINVAL; - } - if (err < 0) - return err; - - if (put_user(status.tstamp.tv_sec, &src->tstamp.tv_sec) || - put_user(status.tstamp.tv_nsec, &src->tstamp.tv_nsec) || - put_user(status.avail, &src->avail) || - put_user(status.xruns, &src->xruns)) - return -EFAULT; - - return 0; -} - -enum { - SNDRV_RAWMIDI_IOCTL_PARAMS32 = _IOWR('W', 0x10, struct snd_rawmidi_params32), - SNDRV_RAWMIDI_IOCTL_STATUS32 = _IOWR('W', 0x20, struct snd_rawmidi_status32), -}; - -static long snd_rawmidi_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct snd_rawmidi_file *rfile; - void __user *argp = compat_ptr(arg); - - rfile = file->private_data; - switch (cmd) { - case SNDRV_RAWMIDI_IOCTL_PVERSION: - case SNDRV_RAWMIDI_IOCTL_INFO: - case SNDRV_RAWMIDI_IOCTL_DROP: - case SNDRV_RAWMIDI_IOCTL_DRAIN: - return snd_rawmidi_ioctl(file, cmd, (unsigned long)argp); - case SNDRV_RAWMIDI_IOCTL_PARAMS32: - return snd_rawmidi_ioctl_params_compat(rfile, argp); - case SNDRV_RAWMIDI_IOCTL_STATUS32: - return snd_rawmidi_ioctl_status_compat(rfile, argp); - } - return -ENOIOCTLCMD; -} |