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path: root/sound/core/seq/oss/seq_oss_synth.c
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Diffstat (limited to 'sound/core/seq/oss/seq_oss_synth.c')
-rw-r--r--sound/core/seq/oss/seq_oss_synth.c124
1 files changed, 67 insertions, 57 deletions
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index 8257fce2ca1..701feb71b70 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -24,6 +24,8 @@
#include "seq_oss_midi.h"
#include "../seq_lock.h"
#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
/*
* constants
@@ -37,14 +39,14 @@
*/
/* sysex buffer */
-struct seq_oss_synth_sysex_t {
+struct seq_oss_synth_sysex {
int len;
int skip;
unsigned char buf[MAX_SYSEX_BUFLEN];
};
/* synth info */
-struct seq_oss_synth_t {
+struct seq_oss_synth {
int seq_device;
/* for synth_info */
@@ -53,7 +55,7 @@ struct seq_oss_synth_t {
int nr_voices;
char name[SNDRV_SEQ_OSS_MAX_SYNTH_NAME];
- snd_seq_oss_callback_t oper;
+ struct snd_seq_oss_callback oper;
int opened;
@@ -66,8 +68,8 @@ struct seq_oss_synth_t {
* device table
*/
static int max_synth_devs;
-static seq_oss_synth_t *synth_devs[SNDRV_SEQ_OSS_MAX_SYNTH_DEVS];
-static seq_oss_synth_t midi_synth_dev = {
+static struct seq_oss_synth *synth_devs[SNDRV_SEQ_OSS_MAX_SYNTH_DEVS];
+static struct seq_oss_synth midi_synth_dev = {
-1, /* seq_device */
SYNTH_TYPE_MIDI, /* synth_type */
0, /* synth_subtype */
@@ -80,8 +82,8 @@ static DEFINE_SPINLOCK(register_lock);
/*
* prototypes
*/
-static seq_oss_synth_t *get_synthdev(seq_oss_devinfo_t *dp, int dev);
-static void reset_channels(seq_oss_synthinfo_t *info);
+static struct seq_oss_synth *get_synthdev(struct seq_oss_devinfo *dp, int dev);
+static void reset_channels(struct seq_oss_synthinfo *info);
/*
* global initialization
@@ -96,15 +98,15 @@ snd_seq_oss_synth_init(void)
* registration of the synth device
*/
int
-snd_seq_oss_synth_register(snd_seq_device_t *dev)
+snd_seq_oss_synth_register(struct snd_seq_device *dev)
{
int i;
- seq_oss_synth_t *rec;
- snd_seq_oss_reg_t *reg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
+ struct seq_oss_synth *rec;
+ struct snd_seq_oss_reg *reg = SNDRV_SEQ_DEVICE_ARGPTR(dev);
unsigned long flags;
if ((rec = kzalloc(sizeof(*rec), GFP_KERNEL)) == NULL) {
- snd_printk(KERN_ERR "can't malloc synth info\n");
+ pr_err("ALSA: seq_oss: can't malloc synth info\n");
return -ENOMEM;
}
rec->seq_device = -1;
@@ -128,7 +130,7 @@ snd_seq_oss_synth_register(snd_seq_device_t *dev)
if (i >= max_synth_devs) {
if (max_synth_devs >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS) {
spin_unlock_irqrestore(&register_lock, flags);
- snd_printk(KERN_ERR "no more synth slot\n");
+ pr_err("ALSA: seq_oss: no more synth slot\n");
kfree(rec);
return -ENOMEM;
}
@@ -136,7 +138,6 @@ snd_seq_oss_synth_register(snd_seq_device_t *dev)
}
rec->seq_device = i;
synth_devs[i] = rec;
- debug_printk(("synth %s registered %d\n", rec->name, i));
spin_unlock_irqrestore(&register_lock, flags);
dev->driver_data = rec;
#ifdef SNDRV_OSS_INFO_DEV_SYNTH
@@ -148,10 +149,10 @@ snd_seq_oss_synth_register(snd_seq_device_t *dev)
int
-snd_seq_oss_synth_unregister(snd_seq_device_t *dev)
+snd_seq_oss_synth_unregister(struct snd_seq_device *dev)
{
int index;
- seq_oss_synth_t *rec = dev->driver_data;
+ struct seq_oss_synth *rec = dev->driver_data;
unsigned long flags;
spin_lock_irqsave(&register_lock, flags);
@@ -161,7 +162,7 @@ snd_seq_oss_synth_unregister(snd_seq_device_t *dev)
}
if (index >= max_synth_devs) {
spin_unlock_irqrestore(&register_lock, flags);
- snd_printk(KERN_ERR "can't unregister synth\n");
+ pr_err("ALSA: seq_oss: can't unregister synth\n");
return -EINVAL;
}
synth_devs[index] = NULL;
@@ -187,10 +188,10 @@ snd_seq_oss_synth_unregister(snd_seq_device_t *dev)
/*
*/
-static seq_oss_synth_t *
+static struct seq_oss_synth *
get_sdev(int dev)
{
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
unsigned long flags;
spin_lock_irqsave(&register_lock, flags);
@@ -207,11 +208,11 @@ get_sdev(int dev)
*/
void
-snd_seq_oss_synth_setup(seq_oss_devinfo_t *dp)
+snd_seq_oss_synth_setup(struct seq_oss_devinfo *dp)
{
int i;
- seq_oss_synth_t *rec;
- seq_oss_synthinfo_t *info;
+ struct seq_oss_synth *rec;
+ struct seq_oss_synthinfo *info;
dp->max_synthdev = max_synth_devs;
dp->synth_opened = 0;
@@ -244,12 +245,16 @@ snd_seq_oss_synth_setup(seq_oss_devinfo_t *dp)
}
info->nr_voices = rec->nr_voices;
if (info->nr_voices > 0) {
- info->ch = kcalloc(info->nr_voices, sizeof(seq_oss_chinfo_t), GFP_KERNEL);
- if (!info->ch)
- BUG();
+ info->ch = kcalloc(info->nr_voices, sizeof(struct seq_oss_chinfo), GFP_KERNEL);
+ if (!info->ch) {
+ pr_err("ALSA: seq_oss: Cannot malloc voices\n");
+ rec->oper.close(&info->arg);
+ module_put(rec->oper.owner);
+ snd_use_lock_free(&rec->use_lock);
+ continue;
+ }
reset_channels(info);
}
- debug_printk(("synth %d assigned\n", i));
info->opened++;
rec->opened++;
dp->synth_opened++;
@@ -263,7 +268,7 @@ snd_seq_oss_synth_setup(seq_oss_devinfo_t *dp)
*/
void
-snd_seq_oss_synth_setup_midi(seq_oss_devinfo_t *dp)
+snd_seq_oss_synth_setup_midi(struct seq_oss_devinfo *dp)
{
int i;
@@ -271,7 +276,7 @@ snd_seq_oss_synth_setup_midi(seq_oss_devinfo_t *dp)
return;
for (i = 0; i < dp->max_mididev; i++) {
- seq_oss_synthinfo_t *info;
+ struct seq_oss_synthinfo *info;
info = &dp->synths[dp->max_synthdev];
if (snd_seq_oss_midi_open(dp, i, dp->file_mode) < 0)
continue;
@@ -297,13 +302,14 @@ snd_seq_oss_synth_setup_midi(seq_oss_devinfo_t *dp)
*/
void
-snd_seq_oss_synth_cleanup(seq_oss_devinfo_t *dp)
+snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
{
int i;
- seq_oss_synth_t *rec;
- seq_oss_synthinfo_t *info;
+ struct seq_oss_synth *rec;
+ struct seq_oss_synthinfo *info;
- snd_assert(dp->max_synthdev <= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS, return);
+ if (snd_BUG_ON(dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS))
+ return;
for (i = 0; i < dp->max_synthdev; i++) {
info = &dp->synths[i];
if (! info->opened)
@@ -318,7 +324,6 @@ snd_seq_oss_synth_cleanup(seq_oss_devinfo_t *dp)
if (rec == NULL)
continue;
if (rec->opened > 0) {
- debug_printk(("synth %d closed\n", i));
rec->oper.close(&info->arg);
module_put(rec->oper.owner);
rec->opened = 0;
@@ -338,7 +343,7 @@ snd_seq_oss_synth_cleanup(seq_oss_devinfo_t *dp)
* check if the specified device is MIDI mapped device
*/
static int
-is_midi_dev(seq_oss_devinfo_t *dp, int dev)
+is_midi_dev(struct seq_oss_devinfo *dp, int dev)
{
if (dev < 0 || dev >= dp->max_synthdev)
return 0;
@@ -350,10 +355,10 @@ is_midi_dev(seq_oss_devinfo_t *dp, int dev)
/*
* return synth device information pointer
*/
-static seq_oss_synth_t *
-get_synthdev(seq_oss_devinfo_t *dp, int dev)
+static struct seq_oss_synth *
+get_synthdev(struct seq_oss_devinfo *dp, int dev)
{
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
if (dev < 0 || dev >= dp->max_synthdev)
return NULL;
if (! dp->synths[dev].opened)
@@ -374,7 +379,7 @@ get_synthdev(seq_oss_devinfo_t *dp, int dev)
* reset note and velocity on each channel.
*/
static void
-reset_channels(seq_oss_synthinfo_t *info)
+reset_channels(struct seq_oss_synthinfo *info)
{
int i;
if (info->ch == NULL || ! info->nr_voices)
@@ -392,12 +397,13 @@ reset_channels(seq_oss_synthinfo_t *info)
* event to the corresponding port.
*/
void
-snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev)
+snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev)
{
- seq_oss_synth_t *rec;
- seq_oss_synthinfo_t *info;
+ struct seq_oss_synth *rec;
+ struct seq_oss_synthinfo *info;
- snd_assert(dev >= 0 && dev < dp->max_synthdev, return);
+ if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev))
+ return;
info = &dp->synths[dev];
if (! info->opened)
return;
@@ -428,7 +434,7 @@ snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev)
if (rec->oper.reset) {
rec->oper.reset(&info->arg);
} else {
- snd_seq_event_t ev;
+ struct snd_seq_event ev;
memset(&ev, 0, sizeof(ev));
snd_seq_oss_fill_addr(dp, &ev, info->arg.addr.client,
info->arg.addr.port);
@@ -444,10 +450,10 @@ snd_seq_oss_synth_reset(seq_oss_devinfo_t *dp, int dev)
* call load_patch callback function
*/
int
-snd_seq_oss_synth_load_patch(seq_oss_devinfo_t *dp, int dev, int fmt,
+snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt,
const char __user *buf, int p, int c)
{
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
int rc;
if (dev < 0 || dev >= dp->max_synthdev)
@@ -470,9 +476,9 @@ snd_seq_oss_synth_load_patch(seq_oss_devinfo_t *dp, int dev, int fmt,
* check if the device is valid synth device
*/
int
-snd_seq_oss_synth_is_valid(seq_oss_devinfo_t *dp, int dev)
+snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev)
{
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
rec = get_synthdev(dp, dev);
if (rec) {
snd_use_lock_free(&rec->use_lock);
@@ -488,11 +494,11 @@ snd_seq_oss_synth_is_valid(seq_oss_devinfo_t *dp, int dev)
* (0xff).
*/
int
-snd_seq_oss_synth_sysex(seq_oss_devinfo_t *dp, int dev, unsigned char *buf, snd_seq_event_t *ev)
+snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf, struct snd_seq_event *ev)
{
int i, send;
unsigned char *dest;
- seq_oss_synth_sysex_t *sysex;
+ struct seq_oss_synth_sysex *sysex;
if (! snd_seq_oss_synth_is_valid(dp, dev))
return -ENXIO;
@@ -545,7 +551,7 @@ snd_seq_oss_synth_sysex(seq_oss_devinfo_t *dp, int dev, unsigned char *buf, snd_
* fill the event source/destination addresses
*/
int
-snd_seq_oss_synth_addr(seq_oss_devinfo_t *dp, int dev, snd_seq_event_t *ev)
+snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct snd_seq_event *ev)
{
if (! snd_seq_oss_synth_is_valid(dp, dev))
return -EINVAL;
@@ -559,9 +565,9 @@ snd_seq_oss_synth_addr(seq_oss_devinfo_t *dp, int dev, snd_seq_event_t *ev)
* OSS compatible ioctl
*/
int
-snd_seq_oss_synth_ioctl(seq_oss_devinfo_t *dp, int dev, unsigned int cmd, unsigned long addr)
+snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int cmd, unsigned long addr)
{
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
int rc;
if (is_midi_dev(dp, dev))
@@ -581,7 +587,7 @@ snd_seq_oss_synth_ioctl(seq_oss_devinfo_t *dp, int dev, unsigned int cmd, unsign
* send OSS raw events - SEQ_PRIVATE and SEQ_VOLUME
*/
int
-snd_seq_oss_synth_raw_event(seq_oss_devinfo_t *dp, int dev, unsigned char *data, snd_seq_event_t *ev)
+snd_seq_oss_synth_raw_event(struct seq_oss_devinfo *dp, int dev, unsigned char *data, struct snd_seq_event *ev)
{
if (! snd_seq_oss_synth_is_valid(dp, dev) || is_midi_dev(dp, dev))
return -ENXIO;
@@ -595,9 +601,12 @@ snd_seq_oss_synth_raw_event(seq_oss_devinfo_t *dp, int dev, unsigned char *data,
* create OSS compatible synth_info record
*/
int
-snd_seq_oss_synth_make_info(seq_oss_devinfo_t *dp, int dev, struct synth_info *inf)
+snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf)
{
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
+
+ if (dev < 0 || dev >= dp->max_synthdev)
+ return -ENXIO;
if (dp->synths[dev].is_midi) {
struct midi_info minf;
@@ -621,14 +630,15 @@ snd_seq_oss_synth_make_info(seq_oss_devinfo_t *dp, int dev, struct synth_info *i
}
+#ifdef CONFIG_PROC_FS
/*
* proc interface
*/
void
-snd_seq_oss_synth_info_read(snd_info_buffer_t *buf)
+snd_seq_oss_synth_info_read(struct snd_info_buffer *buf)
{
int i;
- seq_oss_synth_t *rec;
+ struct seq_oss_synth *rec;
snd_iprintf(buf, "\nNumber of synth devices: %d\n", max_synth_devs);
for (i = 0; i < max_synth_devs; i++) {
@@ -648,4 +658,4 @@ snd_seq_oss_synth_info_read(snd_info_buffer_t *buf)
snd_use_lock_free(&rec->use_lock);
}
}
-
+#endif /* CONFIG_PROC_FS */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 23:26:12 +0000