Release 4.8 sound/drivers/opl4/opl4_proc.c
/*
* Functions for the OPL4 proc file
* Copyright (c) 2003 by Clemens Ladisch <clemens@ladisch.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
*/
#include "opl4_local.h"
#include <linux/vmalloc.h>
#include <linux/export.h>
#include <sound/info.h>
static int snd_opl4_mem_proc_open(struct snd_info_entry *entry,
unsigned short mode, void **file_private_data)
{
struct snd_opl4 *opl4 = entry->private_data;
mutex_lock(&opl4->access_mutex);
if (opl4->memory_access) {
mutex_unlock(&opl4->access_mutex);
return -EBUSY;
}
opl4->memory_access++;
mutex_unlock(&opl4->access_mutex);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 66 | 90.41% | 2 | 50.00% |
| takashi iwai | takashi iwai | 4 | 5.48% | 1 | 25.00% |
| ingo molnar | ingo molnar | 3 | 4.11% | 1 | 25.00% |
| Total | 73 | 100.00% | 4 | 100.00% |
static int snd_opl4_mem_proc_release(struct snd_info_entry *entry,
unsigned short mode, void *file_private_data)
{
struct snd_opl4 *opl4 = entry->private_data;
mutex_lock(&opl4->access_mutex);
opl4->memory_access--;
mutex_unlock(&opl4->access_mutex);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 46 | 88.46% | 2 | 50.00% |
| takashi iwai | takashi iwai | 4 | 7.69% | 1 | 25.00% |
| ingo molnar | ingo molnar | 2 | 3.85% | 1 | 25.00% |
| Total | 52 | 100.00% | 4 | 100.00% |
static ssize_t snd_opl4_mem_proc_read(struct snd_info_entry *entry,
void *file_private_data,
struct file *file, char __user *_buf,
size_t count, loff_t pos)
{
struct snd_opl4 *opl4 = entry->private_data;
char* buf;
buf = vmalloc(count);
if (!buf)
return -ENOMEM;
snd_opl4_read_memory(opl4, buf, pos, count);
if (copy_to_user(_buf, buf, count)) {
vfree(buf);
return -EFAULT;
}
vfree(buf);
return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 86 | 85.15% | 4 | 44.44% |
| takashi iwai | takashi iwai | 11 | 10.89% | 3 | 33.33% |
| linus torvalds | linus torvalds | 3 | 2.97% | 1 | 11.11% |
| al viro | al viro | 1 | 0.99% | 1 | 11.11% |
| Total | 101 | 100.00% | 9 | 100.00% |
static ssize_t snd_opl4_mem_proc_write(struct snd_info_entry *entry,
void *file_private_data,
struct file *file,
const char __user *_buf,
size_t count, loff_t pos)
{
struct snd_opl4 *opl4 = entry->private_data;
char *buf;
buf = vmalloc(count);
if (!buf)
return -ENOMEM;
if (copy_from_user(buf, _buf, count)) {
vfree(buf);
return -EFAULT;
}
snd_opl4_write_memory(opl4, buf, pos, count);
vfree(buf);
return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 87 | 85.29% | 4 | 40.00% |
| takashi iwai | takashi iwai | 11 | 10.78% | 4 | 40.00% |
| linus torvalds | linus torvalds | 3 | 2.94% | 1 | 10.00% |
| al viro | al viro | 1 | 0.98% | 1 | 10.00% |
| Total | 102 | 100.00% | 10 | 100.00% |
static struct snd_info_entry_ops snd_opl4_mem_proc_ops = {
.open = snd_opl4_mem_proc_open,
.release = snd_opl4_mem_proc_release,
.read = snd_opl4_mem_proc_read,
.write = snd_opl4_mem_proc_write,
};
int snd_opl4_create_proc(struct snd_opl4 *opl4)
{
struct snd_info_entry *entry;
entry = snd_info_create_card_entry(opl4->card, "opl4-mem", opl4->card->proc_root);
if (entry) {
if (opl4->hardware < OPL3_HW_OPL4_ML) {
/* OPL4 can access 4 MB external ROM/SRAM */
entry->mode |= S_IWUSR;
entry->size = 4 * 1024 * 1024;
} else {
/* OPL4-ML has 1 MB internal ROM */
entry->size = 1 * 1024 * 1024;
}
entry->content = SNDRV_INFO_CONTENT_DATA;
entry->c.ops = &snd_opl4_mem_proc_ops;
entry->module = THIS_MODULE;
entry->private_data = opl4;
if (snd_info_register(entry) < 0) {
snd_info_free_entry(entry);
entry = NULL;
}
}
opl4->proc_entry = entry;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 131 | 97.04% | 1 | 50.00% |
| takashi iwai | takashi iwai | 4 | 2.96% | 1 | 50.00% |
| Total | 135 | 100.00% | 2 | 100.00% |
void snd_opl4_free_proc(struct snd_opl4 *opl4)
{
snd_info_free_entry(opl4->proc_entry);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 14 | 82.35% | 1 | 33.33% |
| takashi iwai | takashi iwai | 3 | 17.65% | 2 | 66.67% |
| Total | 17 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| jaroslav kysela | jaroslav kysela | 467 | 89.81% | 4 | 30.77% |
| takashi iwai | takashi iwai | 37 | 7.12% | 5 | 38.46% |
| linus torvalds | linus torvalds | 6 | 1.15% | 1 | 7.69% |
| ingo molnar | ingo molnar | 5 | 0.96% | 1 | 7.69% |
| paul gortmaker | paul gortmaker | 3 | 0.58% | 1 | 7.69% |
| al viro | al viro | 2 | 0.38% | 1 | 7.69% |
| Total | 520 | 100.00% | 13 | 100.00% |
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