#include <sound/core.h>
#include <linux/major.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/wait.h>
+#include <linux/mutex.h>
+#include <linux/moduleparam.h>
+#include <linux/delay.h>
+#include <linux/wait.h>
#include <sound/rawmidi.h>
#include <sound/info.h>
#include <sound/control.h>
MODULE_LICENSE("GPL");
#ifdef CONFIG_SND_OSSEMUL
-static int midi_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 0};
+static int midi_map[SNDRV_CARDS];
static int amidi_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
-MODULE_PARM(midi_map, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(midi_map, int, NULL, 0444);
MODULE_PARM_DESC(midi_map, "Raw MIDI device number assigned to 1st OSS device.");
-MODULE_PARM_SYNTAX(midi_map, "default:0,skill:advanced");
-MODULE_PARM(amidi_map, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
+module_param_array(amidi_map, int, NULL, 0444);
MODULE_PARM_DESC(amidi_map, "Raw MIDI device number assigned to 2nd OSS device.");
-MODULE_PARM_SYNTAX(amidi_map, "default:1,skill:advanced");
#endif /* CONFIG_SND_OSSEMUL */
-static int snd_rawmidi_free(snd_rawmidi_t *rawmidi);
-static int snd_rawmidi_dev_free(snd_device_t *device);
-static int snd_rawmidi_dev_register(snd_device_t *device);
-static int snd_rawmidi_dev_disconnect(snd_device_t *device);
-static int snd_rawmidi_dev_unregister(snd_device_t *device);
+static int snd_rawmidi_free(struct snd_rawmidi *rawmidi);
+static int snd_rawmidi_dev_free(struct snd_device *device);
+static int snd_rawmidi_dev_register(struct snd_device *device);
+static int snd_rawmidi_dev_disconnect(struct snd_device *device);
+
+static LIST_HEAD(snd_rawmidi_devices);
+static DEFINE_MUTEX(register_mutex);
-snd_rawmidi_t *snd_rawmidi_devices[SNDRV_CARDS * SNDRV_RAWMIDI_DEVICES];
+static struct snd_rawmidi *snd_rawmidi_search(struct snd_card *card, int device)
+{
+ struct list_head *p;
+ struct snd_rawmidi *rawmidi;
-static DECLARE_MUTEX(register_mutex);
+ list_for_each(p, &snd_rawmidi_devices) {
+ rawmidi = list_entry(p, struct snd_rawmidi, list);
+ if (rawmidi->card == card && rawmidi->device == device)
+ return rawmidi;
+ }
+ return NULL;
+}
static inline unsigned short snd_rawmidi_file_flags(struct file *file)
{
}
}
-static inline int snd_rawmidi_ready(snd_rawmidi_substream_t * substream)
+static inline int snd_rawmidi_ready(struct snd_rawmidi_substream *substream)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
return runtime->avail >= runtime->avail_min;
}
-static inline int snd_rawmidi_ready_append(snd_rawmidi_substream_t * substream, size_t count)
+static inline int snd_rawmidi_ready_append(struct snd_rawmidi_substream *substream,
+ size_t count)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
return runtime->avail >= runtime->avail_min &&
(!substream->append || runtime->avail >= count);
}
-static int snd_rawmidi_init(snd_rawmidi_substream_t *substream)
+static void snd_rawmidi_input_event_tasklet(unsigned long data)
+{
+ struct snd_rawmidi_substream *substream = (struct snd_rawmidi_substream *)data;
+ substream->runtime->event(substream);
+}
+
+static void snd_rawmidi_output_trigger_tasklet(unsigned long data)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_substream *substream = (struct snd_rawmidi_substream *)data;
+ substream->ops->trigger(substream, 1);
+}
+
+static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream)
+{
+ struct snd_rawmidi_runtime *runtime;
+
+ if ((runtime = kzalloc(sizeof(*runtime), GFP_KERNEL)) == NULL)
+ return -ENOMEM;
spin_lock_init(&runtime->lock);
init_waitqueue_head(&runtime->sleep);
+ if (substream->stream == SNDRV_RAWMIDI_STREAM_INPUT)
+ tasklet_init(&runtime->tasklet,
+ snd_rawmidi_input_event_tasklet,
+ (unsigned long)substream);
+ else
+ tasklet_init(&runtime->tasklet,
+ snd_rawmidi_output_trigger_tasklet,
+ (unsigned long)substream);
runtime->event = NULL;
runtime->buffer_size = PAGE_SIZE;
runtime->avail_min = 1;
runtime->avail = 0;
else
runtime->avail = runtime->buffer_size;
- if ((runtime->buffer = kmalloc(runtime->buffer_size, GFP_KERNEL)) == NULL)
+ if ((runtime->buffer = kmalloc(runtime->buffer_size, GFP_KERNEL)) == NULL) {
+ kfree(runtime);
return -ENOMEM;
+ }
runtime->appl_ptr = runtime->hw_ptr = 0;
+ substream->runtime = runtime;
return 0;
}
-static int snd_rawmidi_done_buffer(snd_rawmidi_runtime_t *runtime)
+static int snd_rawmidi_runtime_free(struct snd_rawmidi_substream *substream)
{
- if (runtime->buffer) {
- kfree(runtime->buffer);
- runtime->buffer = NULL;
- }
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
+
+ kfree(runtime->buffer);
+ kfree(runtime);
+ substream->runtime = NULL;
return 0;
}
-int snd_rawmidi_drop_output(snd_rawmidi_substream_t * substream)
+static inline void snd_rawmidi_output_trigger(struct snd_rawmidi_substream *substream,int up)
+{
+ if (up) {
+ tasklet_hi_schedule(&substream->runtime->tasklet);
+ } else {
+ tasklet_kill(&substream->runtime->tasklet);
+ substream->ops->trigger(substream, 0);
+ }
+}
+
+static void snd_rawmidi_input_trigger(struct snd_rawmidi_substream *substream, int up)
+{
+ substream->ops->trigger(substream, up);
+ if (!up && substream->runtime->event)
+ tasklet_kill(&substream->runtime->tasklet);
+}
+
+int snd_rawmidi_drop_output(struct snd_rawmidi_substream *substream)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ unsigned long flags;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
- substream->ops->trigger(substream, 0);
- runtime->trigger = 0;
+ snd_rawmidi_output_trigger(substream, 0);
runtime->drain = 0;
- /* interrupts are not enabled at this moment,
- so spinlock is not required */
+ spin_lock_irqsave(&runtime->lock, flags);
runtime->appl_ptr = runtime->hw_ptr = 0;
runtime->avail = runtime->buffer_size;
+ spin_unlock_irqrestore(&runtime->lock, flags);
return 0;
}
-int snd_rawmidi_drain_output(snd_rawmidi_substream_t * substream)
+int snd_rawmidi_drain_output(struct snd_rawmidi_substream *substream)
{
int err;
long timeout;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
err = 0;
runtime->drain = 1;
- while (runtime->avail < runtime->buffer_size) {
- timeout = interruptible_sleep_on_timeout(&runtime->sleep, 10 * HZ);
- if (signal_pending(current)) {
- err = -ERESTARTSYS;
- break;
- }
- if (runtime->avail < runtime->buffer_size && !timeout) {
- snd_printk(KERN_WARNING "rawmidi drain error (avail = %li, buffer_size = %li)\n", (long)runtime->avail, (long)runtime->buffer_size);
- err = -EIO;
- break;
- }
+ timeout = wait_event_interruptible_timeout(runtime->sleep,
+ (runtime->avail >= runtime->buffer_size),
+ 10*HZ);
+ if (signal_pending(current))
+ err = -ERESTARTSYS;
+ if (runtime->avail < runtime->buffer_size && !timeout) {
+ snd_printk(KERN_WARNING "rawmidi drain error (avail = %li, buffer_size = %li)\n", (long)runtime->avail, (long)runtime->buffer_size);
+ err = -EIO;
}
runtime->drain = 0;
if (err != -ERESTARTSYS) {
/* we need wait a while to make sure that Tx FIFOs are empty */
if (substream->ops->drain)
substream->ops->drain(substream);
- else {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(HZ / 20);
- }
+ else
+ msleep(50);
snd_rawmidi_drop_output(substream);
}
return err;
}
-int snd_rawmidi_drain_input(snd_rawmidi_substream_t * substream)
+int snd_rawmidi_drain_input(struct snd_rawmidi_substream *substream)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ unsigned long flags;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
- substream->ops->trigger(substream, 0);
- runtime->trigger = 0;
+ snd_rawmidi_input_trigger(substream, 0);
runtime->drain = 0;
- /* interrupts aren't enabled at this moment, so spinlock isn't needed */
+ spin_lock_irqsave(&runtime->lock, flags);
runtime->appl_ptr = runtime->hw_ptr = 0;
runtime->avail = 0;
+ spin_unlock_irqrestore(&runtime->lock, flags);
return 0;
}
-int snd_rawmidi_kernel_open(int cardnum, int device, int subdevice,
- int mode, snd_rawmidi_file_t * rfile)
+int snd_rawmidi_kernel_open(struct snd_card *card, int device, int subdevice,
+ int mode, struct snd_rawmidi_file * rfile)
{
- snd_rawmidi_t *rmidi;
+ struct snd_rawmidi *rmidi;
struct list_head *list1, *list2;
- snd_rawmidi_substream_t *sinput, *soutput;
- snd_rawmidi_runtime_t *input = NULL, *output = NULL;
+ struct snd_rawmidi_substream *sinput = NULL, *soutput = NULL;
+ struct snd_rawmidi_runtime *input = NULL, *output = NULL;
int err;
if (rfile)
rfile->input = rfile->output = NULL;
- rmidi = snd_rawmidi_devices[(cardnum * SNDRV_RAWMIDI_DEVICES) + device];
+ mutex_lock(®ister_mutex);
+ rmidi = snd_rawmidi_search(card, device);
+ mutex_unlock(®ister_mutex);
if (rmidi == NULL) {
err = -ENODEV;
goto __error1;
goto __error1;
}
if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
- down(&rmidi->open_mutex);
+ mutex_lock(&rmidi->open_mutex);
if (mode & SNDRV_RAWMIDI_LFLG_INPUT) {
if (!(rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT)) {
err = -ENXIO;
}
break;
}
- sinput = list_entry(list1, snd_rawmidi_substream_t, list);
+ sinput = list_entry(list1, struct snd_rawmidi_substream, list);
if ((mode & SNDRV_RAWMIDI_LFLG_INPUT) && sinput->opened)
goto __nexti;
if (subdevice < 0 || (subdevice >= 0 && subdevice == sinput->number))
}
break;
}
- soutput = list_entry(list2, snd_rawmidi_substream_t, list);
+ soutput = list_entry(list2, struct snd_rawmidi_substream, list);
if (mode & SNDRV_RAWMIDI_LFLG_OUTPUT) {
if (mode & SNDRV_RAWMIDI_LFLG_APPEND) {
if (soutput->opened && !soutput->append)
list2 = list2->next;
}
if (mode & SNDRV_RAWMIDI_LFLG_INPUT) {
- input = snd_kcalloc(sizeof(snd_rawmidi_runtime_t), GFP_KERNEL);
- if (input == NULL) {
- err = -ENOMEM;
+ if ((err = snd_rawmidi_runtime_create(sinput)) < 0)
goto __error;
- }
- sinput->runtime = input;
- if (snd_rawmidi_init(sinput) < 0) {
- err = -ENOMEM;
+ input = sinput->runtime;
+ if ((err = sinput->ops->open(sinput)) < 0)
goto __error;
- }
- if ((err = sinput->ops->open(sinput)) < 0) {
- sinput->runtime = NULL;
- goto __error;
- }
sinput->opened = 1;
rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substream_opened++;
} else {
if (mode & SNDRV_RAWMIDI_LFLG_OUTPUT) {
if (soutput->opened)
goto __skip_output;
- output = snd_kcalloc(sizeof(snd_rawmidi_runtime_t), GFP_KERNEL);
- if (output == NULL) {
- err = -ENOMEM;
- goto __error;
- }
- soutput->runtime = output;
- if (snd_rawmidi_init(soutput) < 0) {
- if (mode & SNDRV_RAWMIDI_LFLG_INPUT) {
+ if ((err = snd_rawmidi_runtime_create(soutput)) < 0) {
+ if (mode & SNDRV_RAWMIDI_LFLG_INPUT)
sinput->ops->close(sinput);
- sinput->runtime = NULL;
- }
- err = -ENOMEM;
goto __error;
}
+ output = soutput->runtime;
if ((err = soutput->ops->open(soutput)) < 0) {
- if (mode & SNDRV_RAWMIDI_LFLG_INPUT) {
+ if (mode & SNDRV_RAWMIDI_LFLG_INPUT)
sinput->ops->close(sinput);
- sinput->runtime = NULL;
- }
- soutput->runtime = NULL;
goto __error;
}
__skip_output:
soutput = NULL;
}
if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
- up(&rmidi->open_mutex);
+ mutex_unlock(&rmidi->open_mutex);
if (rfile) {
rfile->rmidi = rmidi;
rfile->input = sinput;
return 0;
__error:
- if (input != NULL) {
- snd_rawmidi_done_buffer(input);
- kfree(input);
- }
- if (output != NULL) {
- snd_rawmidi_done_buffer(output);
- kfree(output);
- }
+ if (input != NULL)
+ snd_rawmidi_runtime_free(sinput);
+ if (output != NULL)
+ snd_rawmidi_runtime_free(soutput);
module_put(rmidi->card->module);
if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
- up(&rmidi->open_mutex);
+ mutex_unlock(&rmidi->open_mutex);
__error1:
return err;
}
static int snd_rawmidi_open(struct inode *inode, struct file *file)
{
int maj = imajor(inode);
- int cardnum;
- snd_card_t *card;
- int device, subdevice;
+ struct snd_card *card;
+ int subdevice;
unsigned short fflags;
int err;
- snd_rawmidi_t *rmidi;
- snd_rawmidi_file_t *rawmidi_file;
+ struct snd_rawmidi *rmidi;
+ struct snd_rawmidi_file *rawmidi_file;
wait_queue_t wait;
struct list_head *list;
- snd_ctl_file_t *kctl;
-
- switch (maj) {
- case CONFIG_SND_MAJOR:
- cardnum = SNDRV_MINOR_CARD(iminor(inode));
- cardnum %= SNDRV_CARDS;
- device = SNDRV_MINOR_DEVICE(iminor(inode)) - SNDRV_MINOR_RAWMIDI;
- device %= SNDRV_MINOR_RAWMIDIS;
- break;
+ struct snd_ctl_file *kctl;
+
+ if (maj == snd_major) {
+ rmidi = snd_lookup_minor_data(iminor(inode),
+ SNDRV_DEVICE_TYPE_RAWMIDI);
#ifdef CONFIG_SND_OSSEMUL
- case SOUND_MAJOR:
- cardnum = SNDRV_MINOR_OSS_CARD(iminor(inode));
- cardnum %= SNDRV_CARDS;
- device = SNDRV_MINOR_OSS_DEVICE(iminor(inode)) == SNDRV_MINOR_OSS_MIDI ?
- midi_map[cardnum] : amidi_map[cardnum];
- break;
+ } else if (maj == SOUND_MAJOR) {
+ rmidi = snd_lookup_oss_minor_data(iminor(inode),
+ SNDRV_OSS_DEVICE_TYPE_MIDI);
#endif
- default:
+ } else
return -ENXIO;
- }
- rmidi = snd_rawmidi_devices[(cardnum * SNDRV_RAWMIDI_DEVICES) + device];
if (rmidi == NULL)
return -ENODEV;
-#ifdef CONFIG_SND_OSSEMUL
- if (maj == SOUND_MAJOR && !rmidi->ossreg)
- return -ENXIO;
-#endif
if ((file->f_flags & O_APPEND) && !(file->f_flags & O_NONBLOCK))
return -EINVAL; /* invalid combination */
card = rmidi->card;
if (err < 0)
return -ENODEV;
fflags = snd_rawmidi_file_flags(file);
- if ((file->f_flags & O_APPEND) || maj != CONFIG_SND_MAJOR) /* OSS emul? */
+ if ((file->f_flags & O_APPEND) || maj == SOUND_MAJOR) /* OSS emul? */
fflags |= SNDRV_RAWMIDI_LFLG_APPEND;
fflags |= SNDRV_RAWMIDI_LFLG_NOOPENLOCK;
- rawmidi_file = snd_magic_kmalloc(snd_rawmidi_file_t, 0, GFP_KERNEL);
+ rawmidi_file = kmalloc(sizeof(*rawmidi_file), GFP_KERNEL);
if (rawmidi_file == NULL) {
snd_card_file_remove(card, file);
return -ENOMEM;
}
init_waitqueue_entry(&wait, current);
add_wait_queue(&rmidi->open_wait, &wait);
- down(&rmidi->open_mutex);
+ mutex_lock(&rmidi->open_mutex);
while (1) {
subdevice = -1;
down_read(&card->controls_rwsem);
kctl = snd_ctl_file(list);
if (kctl->pid == current->pid) {
subdevice = kctl->prefer_rawmidi_subdevice;
- break;
+ if (subdevice != -1)
+ break;
}
}
up_read(&card->controls_rwsem);
- err = snd_rawmidi_kernel_open(cardnum, device, subdevice, fflags, rawmidi_file);
+ err = snd_rawmidi_kernel_open(rmidi->card, rmidi->device,
+ subdevice, fflags, rawmidi_file);
if (err >= 0)
break;
if (err == -EAGAIN) {
} else
break;
set_current_state(TASK_INTERRUPTIBLE);
- up(&rmidi->open_mutex);
+ mutex_unlock(&rmidi->open_mutex);
schedule();
- down(&rmidi->open_mutex);
+ mutex_lock(&rmidi->open_mutex);
if (signal_pending(current)) {
err = -ERESTARTSYS;
break;
file->private_data = rawmidi_file;
} else {
snd_card_file_remove(card, file);
- snd_magic_kfree(rawmidi_file);
+ kfree(rawmidi_file);
}
- up(&rmidi->open_mutex);
+ mutex_unlock(&rmidi->open_mutex);
return err;
}
-int snd_rawmidi_kernel_release(snd_rawmidi_file_t * rfile)
+int snd_rawmidi_kernel_release(struct snd_rawmidi_file * rfile)
{
- snd_rawmidi_t *rmidi;
- snd_rawmidi_substream_t *substream;
- snd_rawmidi_runtime_t *runtime;
+ struct snd_rawmidi *rmidi;
+ struct snd_rawmidi_substream *substream;
+ struct snd_rawmidi_runtime *runtime;
snd_assert(rfile != NULL, return -ENXIO);
snd_assert(rfile->input != NULL || rfile->output != NULL, return -ENXIO);
rmidi = rfile->rmidi;
- down(&rmidi->open_mutex);
+ mutex_lock(&rmidi->open_mutex);
if (rfile->input != NULL) {
substream = rfile->input;
rfile->input = NULL;
runtime = substream->runtime;
- runtime->trigger = 0;
- substream->ops->trigger(substream, 0);
+ snd_rawmidi_input_trigger(substream, 0);
substream->ops->close(substream);
- snd_rawmidi_done_buffer(runtime);
if (runtime->private_free != NULL)
runtime->private_free(substream);
- kfree(runtime);
- substream->runtime = NULL;
+ snd_rawmidi_runtime_free(substream);
substream->opened = 0;
rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substream_opened--;
}
snd_rawmidi_kernel_write(substream, &buf, 1);
}
if (snd_rawmidi_drain_output(substream) == -ERESTARTSYS)
- substream->ops->trigger(substream, 0);
+ snd_rawmidi_output_trigger(substream, 0);
substream->ops->close(substream);
- snd_rawmidi_done_buffer(runtime);
if (runtime->private_free != NULL)
runtime->private_free(substream);
- kfree(runtime);
- substream->runtime = NULL;
+ snd_rawmidi_runtime_free(substream);
substream->opened = 0;
substream->append = 0;
}
rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substream_opened--;
}
- up(&rmidi->open_mutex);
+ mutex_unlock(&rmidi->open_mutex);
module_put(rmidi->card->module);
return 0;
}
static int snd_rawmidi_release(struct inode *inode, struct file *file)
{
- snd_rawmidi_file_t *rfile;
- snd_rawmidi_t *rmidi;
+ struct snd_rawmidi_file *rfile;
+ struct snd_rawmidi *rmidi;
int err;
- rfile = snd_magic_cast(snd_rawmidi_file_t, file->private_data, return -ENXIO);
+ rfile = file->private_data;
err = snd_rawmidi_kernel_release(rfile);
rmidi = rfile->rmidi;
wake_up(&rmidi->open_wait);
- snd_magic_kfree(rfile);
+ kfree(rfile);
snd_card_file_remove(rmidi->card, file);
return err;
}
-int snd_rawmidi_info(snd_rawmidi_substream_t *substream, snd_rawmidi_info_t *info)
+static int snd_rawmidi_info(struct snd_rawmidi_substream *substream,
+ struct snd_rawmidi_info *info)
{
- snd_rawmidi_t *rmidi;
+ struct snd_rawmidi *rmidi;
if (substream == NULL)
return -ENODEV;
return 0;
}
-static int snd_rawmidi_info_user(snd_rawmidi_substream_t *substream, snd_rawmidi_info_t * _info)
+static int snd_rawmidi_info_user(struct snd_rawmidi_substream *substream,
+ struct snd_rawmidi_info __user * _info)
{
- snd_rawmidi_info_t info;
+ struct snd_rawmidi_info info;
int err;
if ((err = snd_rawmidi_info(substream, &info)) < 0)
return err;
- if (copy_to_user(_info, &info, sizeof(snd_rawmidi_info_t)))
+ if (copy_to_user(_info, &info, sizeof(struct snd_rawmidi_info)))
return -EFAULT;
return 0;
}
-int snd_rawmidi_info_select(snd_card_t *card, snd_rawmidi_info_t *info)
+int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info)
{
- snd_rawmidi_t *rmidi;
- snd_rawmidi_str_t *pstr;
- snd_rawmidi_substream_t *substream;
+ struct snd_rawmidi *rmidi;
+ struct snd_rawmidi_str *pstr;
+ struct snd_rawmidi_substream *substream;
struct list_head *list;
- if (info->device >= SNDRV_RAWMIDI_DEVICES)
+
+ mutex_lock(®ister_mutex);
+ rmidi = snd_rawmidi_search(card, info->device);
+ mutex_unlock(®ister_mutex);
+ if (!rmidi)
return -ENXIO;
- rmidi = snd_rawmidi_devices[card->number * SNDRV_RAWMIDI_DEVICES + info->device];
if (info->stream < 0 || info->stream > 1)
return -EINVAL;
pstr = &rmidi->streams[info->stream];
if (info->subdevice >= pstr->substream_count)
return -ENXIO;
list_for_each(list, &pstr->substreams) {
- substream = list_entry(list, snd_rawmidi_substream_t, list);
+ substream = list_entry(list, struct snd_rawmidi_substream, list);
if ((unsigned int)substream->number == info->subdevice)
return snd_rawmidi_info(substream, info);
}
return -ENXIO;
}
-static int snd_rawmidi_info_select_user(snd_card_t *card,
- snd_rawmidi_info_t *_info)
+static int snd_rawmidi_info_select_user(struct snd_card *card,
+ struct snd_rawmidi_info __user *_info)
{
int err;
- snd_rawmidi_info_t info;
+ struct snd_rawmidi_info info;
if (get_user(info.device, &_info->device))
return -EFAULT;
if (get_user(info.stream, &_info->stream))
return -EFAULT;
if ((err = snd_rawmidi_info_select(card, &info)) < 0)
return err;
- if (copy_to_user(_info, &info, sizeof(snd_rawmidi_info_t)))
+ if (copy_to_user(_info, &info, sizeof(struct snd_rawmidi_info)))
return -EFAULT;
return 0;
}
-int snd_rawmidi_output_params(snd_rawmidi_substream_t * substream,
- snd_rawmidi_params_t * params)
+int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream,
+ struct snd_rawmidi_params * params)
{
char *newbuf;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
if (substream->append && substream->use_count > 1)
return -EBUSY;
return -EINVAL;
}
if (params->buffer_size != runtime->buffer_size) {
- if ((newbuf = (char *) kmalloc(params->buffer_size, GFP_KERNEL)) == NULL)
+ newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
+ if (!newbuf)
return -ENOMEM;
kfree(runtime->buffer);
runtime->buffer = newbuf;
runtime->buffer_size = params->buffer_size;
+ runtime->avail = runtime->buffer_size;
}
runtime->avail_min = params->avail_min;
substream->active_sensing = !params->no_active_sensing;
return 0;
}
-int snd_rawmidi_input_params(snd_rawmidi_substream_t * substream,
- snd_rawmidi_params_t * params)
+int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream,
+ struct snd_rawmidi_params * params)
{
char *newbuf;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
snd_rawmidi_drain_input(substream);
if (params->buffer_size < 32 || params->buffer_size > 1024L * 1024L) {
return -EINVAL;
}
if (params->buffer_size != runtime->buffer_size) {
- if ((newbuf = (char *) kmalloc(params->buffer_size, GFP_KERNEL)) == NULL)
+ newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
+ if (!newbuf)
return -ENOMEM;
kfree(runtime->buffer);
runtime->buffer = newbuf;
return 0;
}
-static int snd_rawmidi_output_status(snd_rawmidi_substream_t * substream,
- snd_rawmidi_status_t * status)
+static int snd_rawmidi_output_status(struct snd_rawmidi_substream *substream,
+ struct snd_rawmidi_status * status)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
memset(status, 0, sizeof(*status));
status->stream = SNDRV_RAWMIDI_STREAM_OUTPUT;
return 0;
}
-static int snd_rawmidi_input_status(snd_rawmidi_substream_t * substream,
- snd_rawmidi_status_t * status)
+static int snd_rawmidi_input_status(struct snd_rawmidi_substream *substream,
+ struct snd_rawmidi_status * status)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
memset(status, 0, sizeof(*status));
status->stream = SNDRV_RAWMIDI_STREAM_INPUT;
return 0;
}
-static int snd_rawmidi_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- snd_rawmidi_file_t *rfile;
+ struct snd_rawmidi_file *rfile;
+ void __user *argp = (void __user *)arg;
- rfile = snd_magic_cast(snd_rawmidi_file_t, file->private_data, return -ENXIO);
+ rfile = file->private_data;
if (((cmd >> 8) & 0xff) != 'W')
return -ENOTTY;
switch (cmd) {
case SNDRV_RAWMIDI_IOCTL_PVERSION:
- return put_user(SNDRV_RAWMIDI_VERSION, (int *)arg) ? -EFAULT : 0;
+ return put_user(SNDRV_RAWMIDI_VERSION, (int __user *)argp) ? -EFAULT : 0;
case SNDRV_RAWMIDI_IOCTL_INFO:
{
- snd_rawmidi_stream_t stream;
- snd_rawmidi_info_t *info = (snd_rawmidi_info_t *) arg;
+ int stream;
+ struct snd_rawmidi_info __user *info = argp;
if (get_user(stream, &info->stream))
return -EFAULT;
switch (stream) {
}
case SNDRV_RAWMIDI_IOCTL_PARAMS:
{
- snd_rawmidi_params_t params;
- if (copy_from_user(¶ms, (snd_rawmidi_params_t *) arg, sizeof(snd_rawmidi_params_t)))
+ struct snd_rawmidi_params params;
+ if (copy_from_user(¶ms, argp, sizeof(struct snd_rawmidi_params)))
return -EFAULT;
switch (params.stream) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
case SNDRV_RAWMIDI_IOCTL_STATUS:
{
int err = 0;
- snd_rawmidi_status_t status;
- if (copy_from_user(&status, (snd_rawmidi_status_t *) arg, sizeof(snd_rawmidi_status_t)))
+ struct snd_rawmidi_status status;
+ if (copy_from_user(&status, argp, sizeof(struct snd_rawmidi_status)))
return -EFAULT;
switch (status.stream) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
}
if (err < 0)
return err;
- if (copy_to_user((snd_rawmidi_status_t *) arg, &status, sizeof(snd_rawmidi_status_t)))
+ if (copy_to_user(argp, &status, sizeof(struct snd_rawmidi_status)))
return -EFAULT;
return 0;
}
case SNDRV_RAWMIDI_IOCTL_DROP:
{
int val;
- if (get_user(val, (long *) arg))
+ if (get_user(val, (int __user *) argp))
return -EFAULT;
switch (val) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
case SNDRV_RAWMIDI_IOCTL_DRAIN:
{
int val;
- if (get_user(val, (long *) arg))
+ if (get_user(val, (int __user *) argp))
return -EFAULT;
switch (val) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
return -ENOTTY;
}
-int snd_rawmidi_control_ioctl(snd_card_t * card, snd_ctl_file_t * control,
- unsigned int cmd, unsigned long arg)
+static int snd_rawmidi_control_ioctl(struct snd_card *card,
+ struct snd_ctl_file *control,
+ unsigned int cmd,
+ unsigned long arg)
{
- unsigned int tmp;
+ void __user *argp = (void __user *)arg;
- tmp = card->number * SNDRV_RAWMIDI_DEVICES;
switch (cmd) {
case SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE:
{
int device;
- if (get_user(device, (int *)arg))
+ if (get_user(device, (int __user *)argp))
return -EFAULT;
+ mutex_lock(®ister_mutex);
device = device < 0 ? 0 : device + 1;
while (device < SNDRV_RAWMIDI_DEVICES) {
- if (snd_rawmidi_devices[tmp + device])
+ if (snd_rawmidi_search(card, device))
break;
device++;
}
if (device == SNDRV_RAWMIDI_DEVICES)
device = -1;
- if (put_user(device, (int *)arg))
+ mutex_unlock(®ister_mutex);
+ if (put_user(device, (int __user *)argp))
return -EFAULT;
return 0;
}
{
int val;
- if (get_user(val, (int *)arg))
+ if (get_user(val, (int __user *)argp))
return -EFAULT;
control->prefer_rawmidi_subdevice = val;
return 0;
}
case SNDRV_CTL_IOCTL_RAWMIDI_INFO:
- return snd_rawmidi_info_select_user(card, (snd_rawmidi_info_t *)arg);
+ return snd_rawmidi_info_select_user(card, argp);
}
return -ENOIOCTLCMD;
}
*
* Returns the size of read data, or a negative error code on failure.
*/
-int snd_rawmidi_receive(snd_rawmidi_substream_t * substream, const unsigned char *buffer, int count)
+int snd_rawmidi_receive(struct snd_rawmidi_substream *substream,
+ const unsigned char *buffer, int count)
{
unsigned long flags;
int result = 0, count1;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
if (runtime->buffer == NULL) {
snd_printd("snd_rawmidi_receive: input is not active!!!\n");
count1 = count;
if (count1 > (int)(runtime->buffer_size - runtime->avail)) {
count1 = runtime->buffer_size - runtime->avail;
- runtime->xruns = count - count1;
+ runtime->xruns += count - count1;
}
if (count1 > 0) {
memcpy(runtime->buffer, buffer, count1);
}
}
}
- if (result > 0 && runtime->event == NULL) {
- if (snd_rawmidi_ready(substream))
+ if (result > 0) {
+ if (runtime->event)
+ tasklet_hi_schedule(&runtime->tasklet);
+ else if (snd_rawmidi_ready(substream))
wake_up(&runtime->sleep);
}
spin_unlock_irqrestore(&runtime->lock, flags);
- if (result > 0 && runtime->event)
- runtime->event(substream);
return result;
}
-static long snd_rawmidi_kernel_read1(snd_rawmidi_substream_t *substream,
+static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream,
unsigned char *buf, long count, int kernel)
{
unsigned long flags;
long result = 0, count1;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
while (count > 0 && runtime->avail) {
count1 = runtime->buffer_size - runtime->appl_ptr;
memcpy(buf + result, runtime->buffer + runtime->appl_ptr, count1);
} else {
spin_unlock_irqrestore(&runtime->lock, flags);
- if (copy_to_user(buf + result, runtime->buffer + runtime->appl_ptr, count1)) {
+ if (copy_to_user((char __user *)buf + result,
+ runtime->buffer + runtime->appl_ptr, count1)) {
return result > 0 ? result : -EFAULT;
}
spin_lock_irqsave(&runtime->lock, flags);
return result;
}
-long snd_rawmidi_kernel_read(snd_rawmidi_substream_t *substream, unsigned char *buf, long count)
+long snd_rawmidi_kernel_read(struct snd_rawmidi_substream *substream,
+ unsigned char *buf, long count)
{
- substream->runtime->trigger = 1;
- substream->ops->trigger(substream, 1);
+ snd_rawmidi_input_trigger(substream, 1);
return snd_rawmidi_kernel_read1(substream, buf, count, 1);
}
-static ssize_t snd_rawmidi_read(struct file *file, char *buf, size_t count, loff_t *offset)
+static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t count,
+ loff_t *offset)
{
long result;
int count1;
- snd_rawmidi_file_t *rfile;
- snd_rawmidi_substream_t *substream;
- snd_rawmidi_runtime_t *runtime;
+ struct snd_rawmidi_file *rfile;
+ struct snd_rawmidi_substream *substream;
+ struct snd_rawmidi_runtime *runtime;
- rfile = snd_magic_cast(snd_rawmidi_file_t, file->private_data, return -ENXIO);
+ rfile = file->private_data;
substream = rfile->input;
if (substream == NULL)
return -EIO;
runtime = substream->runtime;
- runtime->trigger = 1;
- substream->ops->trigger(substream, 1);
+ snd_rawmidi_input_trigger(substream, 1);
result = 0;
while (count > 0) {
spin_lock_irq(&runtime->lock);
spin_lock_irq(&runtime->lock);
}
spin_unlock_irq(&runtime->lock);
- count1 = snd_rawmidi_kernel_read1(substream, buf, count, 0);
+ count1 = snd_rawmidi_kernel_read1(substream,
+ (unsigned char __force *)buf,
+ count, 0);
+ if (count1 < 0)
+ return result > 0 ? result : count1;
result += count1;
buf += count1;
count -= count1;
*
* Returns 1 if the internal output buffer is empty, 0 if not.
*/
-int snd_rawmidi_transmit_empty(snd_rawmidi_substream_t * substream)
+int snd_rawmidi_transmit_empty(struct snd_rawmidi_substream *substream)
{
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
int result;
unsigned long flags;
}
spin_lock_irqsave(&runtime->lock, flags);
result = runtime->avail >= runtime->buffer_size;
- if (result)
- runtime->trigger = 1;
spin_unlock_irqrestore(&runtime->lock, flags);
return result;
}
*
* Returns the size of copied data, or a negative error code on failure.
*/
-int snd_rawmidi_transmit_peek(snd_rawmidi_substream_t * substream, unsigned char *buffer, int count)
+int snd_rawmidi_transmit_peek(struct snd_rawmidi_substream *substream,
+ unsigned char *buffer, int count)
{
unsigned long flags;
int result, count1;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
if (runtime->buffer == NULL) {
snd_printd("snd_rawmidi_transmit_peek: output is not active!!!\n");
spin_lock_irqsave(&runtime->lock, flags);
if (runtime->avail >= runtime->buffer_size) {
/* warning: lowlevel layer MUST trigger down the hardware */
- runtime->trigger = 0;
goto __skip;
}
if (count == 1) { /* special case, faster code */
memcpy(buffer, runtime->buffer + runtime->hw_ptr, count1);
count -= count1;
result += count1;
- if (count > 0)
+ if (count > 0) {
+ if (count > (int)(runtime->buffer_size - runtime->avail - count1))
+ count = runtime->buffer_size - runtime->avail - count1;
memcpy(buffer + count1, runtime->buffer, count);
+ result += count;
+ }
}
__skip:
spin_unlock_irqrestore(&runtime->lock, flags);
*
* Returns the advanced size if successful, or a negative error code on failure.
*/
-int snd_rawmidi_transmit_ack(snd_rawmidi_substream_t * substream, int count)
+int snd_rawmidi_transmit_ack(struct snd_rawmidi_substream *substream, int count)
{
unsigned long flags;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
if (runtime->buffer == NULL) {
snd_printd("snd_rawmidi_transmit_ack: output is not active!!!\n");
runtime->hw_ptr %= runtime->buffer_size;
runtime->avail += count;
substream->bytes += count;
- if (runtime->drain)
- wake_up(&runtime->sleep);
- else
- if (count > 0 && runtime->event == NULL)
- if (snd_rawmidi_ready(substream))
- wake_up(&runtime->sleep);
+ if (count > 0) {
+ if (runtime->drain || snd_rawmidi_ready(substream))
+ wake_up(&runtime->sleep);
+ }
spin_unlock_irqrestore(&runtime->lock, flags);
- if (count > 0 && runtime->event)
- runtime->event(substream);
return count;
}
/**
* snd_rawmidi_transmit - copy from the buffer to the device
* @substream: the rawmidi substream
- * @buf: the buffer pointer
+ * @buffer: the buffer pointer
* @count: the data size to transfer
*
* Copies data from the buffer to the device and advances the pointer.
*
* Returns the copied size if successful, or a negative error code on failure.
*/
-int snd_rawmidi_transmit(snd_rawmidi_substream_t * substream, unsigned char *buffer, int count)
+int snd_rawmidi_transmit(struct snd_rawmidi_substream *substream,
+ unsigned char *buffer, int count)
{
count = snd_rawmidi_transmit_peek(substream, buffer, count);
if (count < 0)
return snd_rawmidi_transmit_ack(substream, count);
}
-static long snd_rawmidi_kernel_write1(snd_rawmidi_substream_t * substream, const unsigned char *buf, long count, int kernel)
+static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
+ const unsigned char *buf, long count, int kernel)
{
unsigned long flags;
long count1, result;
- snd_rawmidi_runtime_t *runtime = substream->runtime;
+ struct snd_rawmidi_runtime *runtime = substream->runtime;
snd_assert(buf != NULL, return -EINVAL);
snd_assert(runtime->buffer != NULL, return -EINVAL);
memcpy(runtime->buffer + runtime->appl_ptr, buf, count1);
} else {
spin_unlock_irqrestore(&runtime->lock, flags);
- if (copy_from_user(runtime->buffer + runtime->appl_ptr, buf, count1)) {
+ if (copy_from_user(runtime->buffer + runtime->appl_ptr,
+ (char __user *)buf, count1)) {
spin_lock_irqsave(&runtime->lock, flags);
result = result > 0 ? result : -EFAULT;
goto __end;
count -= count1;
}
__end:
- if (result > 0)
- runtime->trigger = 1;
count1 = runtime->avail < runtime->buffer_size;
spin_unlock_irqrestore(&runtime->lock, flags);
if (count1)
- substream->ops->trigger(substream, 1);
+ snd_rawmidi_output_trigger(substream, 1);
return result;
}
-long snd_rawmidi_kernel_write(snd_rawmidi_substream_t * substream, const unsigned char *buf, long count)
+long snd_rawmidi_kernel_write(struct snd_rawmidi_substream *substream,
+ const unsigned char *buf, long count)
{
return snd_rawmidi_kernel_write1(substream, buf, count, 1);
}
-static ssize_t snd_rawmidi_write(struct file *file, const char *buf, size_t count, loff_t *offset)
+static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *offset)
{
long result, timeout;
int count1;
- snd_rawmidi_file_t *rfile;
- snd_rawmidi_runtime_t *runtime;
- snd_rawmidi_substream_t *substream;
+ struct snd_rawmidi_file *rfile;
+ struct snd_rawmidi_runtime *runtime;
+ struct snd_rawmidi_substream *substream;
- rfile = snd_magic_cast(snd_rawmidi_file_t, file->private_data, return -ENXIO);
+ rfile = file->private_data;
substream = rfile->output;
runtime = substream->runtime;
/* we cannot put an atomic message to our buffer */
spin_lock_irq(&runtime->lock);
}
spin_unlock_irq(&runtime->lock);
- count1 = snd_rawmidi_kernel_write1(substream, buf, count, 0);
+ count1 = snd_rawmidi_kernel_write1(substream,
+ (unsigned char __force *)buf,
+ count, 0);
if (count1 < 0)
- continue;
+ return result > 0 ? result : count1;
result += count1;
buf += count1;
if ((size_t)count1 < count && (file->f_flags & O_NONBLOCK))
break;
count -= count1;
}
- while (file->f_flags & O_SYNC) {
+ if (file->f_flags & O_SYNC) {
spin_lock_irq(&runtime->lock);
while (runtime->avail != runtime->buffer_size) {
wait_queue_t wait;
static unsigned int snd_rawmidi_poll(struct file *file, poll_table * wait)
{
- snd_rawmidi_file_t *rfile;
- snd_rawmidi_runtime_t *runtime;
+ struct snd_rawmidi_file *rfile;
+ struct snd_rawmidi_runtime *runtime;
unsigned int mask;
- rfile = snd_magic_cast(snd_rawmidi_file_t, file->private_data, return 0);
+ rfile = file->private_data;
if (rfile->input != NULL) {
runtime = rfile->input->runtime;
- runtime->trigger = 1;
- rfile->input->ops->trigger(rfile->input, 1);
+ snd_rawmidi_input_trigger(rfile->input, 1);
poll_wait(file, &runtime->sleep, wait);
}
if (rfile->output != NULL) {
return mask;
}
+/*
+ */
+#ifdef CONFIG_COMPAT
+#include "rawmidi_compat.c"
+#else
+#define snd_rawmidi_ioctl_compat NULL
+#endif
+
/*
*/
-static void snd_rawmidi_proc_info_read(snd_info_entry_t *entry,
- snd_info_buffer_t * buffer)
+static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_rawmidi_t *rmidi;
- snd_rawmidi_substream_t *substream;
- snd_rawmidi_runtime_t *runtime;
+ struct snd_rawmidi *rmidi;
+ struct snd_rawmidi_substream *substream;
+ struct snd_rawmidi_runtime *runtime;
struct list_head *list;
- rmidi = snd_magic_cast(snd_rawmidi_t, entry->private_data, return);
+ rmidi = entry->private_data;
snd_iprintf(buffer, "%s\n\n", rmidi->name);
- down(&rmidi->open_mutex);
+ mutex_lock(&rmidi->open_mutex);
if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {
list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) {
- substream = list_entry(list, snd_rawmidi_substream_t, list);
+ substream = list_entry(list, struct snd_rawmidi_substream, list);
snd_iprintf(buffer,
"Output %d\n"
" Tx bytes : %lu\n",
}
if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT) {
list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams) {
- substream = list_entry(list, snd_rawmidi_substream_t, list);
+ substream = list_entry(list, struct snd_rawmidi_substream, list);
snd_iprintf(buffer,
"Input %d\n"
" Rx bytes : %lu\n",
}
}
}
- up(&rmidi->open_mutex);
+ mutex_unlock(&rmidi->open_mutex);
}
/*
.open = snd_rawmidi_open,
.release = snd_rawmidi_release,
.poll = snd_rawmidi_poll,
- .ioctl = snd_rawmidi_ioctl,
-};
-
-static snd_minor_t snd_rawmidi_reg =
-{
- .comment = "raw midi",
- .f_ops = &snd_rawmidi_f_ops,
+ .unlocked_ioctl = snd_rawmidi_ioctl,
+ .compat_ioctl = snd_rawmidi_ioctl_compat,
};
-static int snd_rawmidi_alloc_substreams(snd_rawmidi_t *rmidi,
- snd_rawmidi_str_t *stream,
+static int snd_rawmidi_alloc_substreams(struct snd_rawmidi *rmidi,
+ struct snd_rawmidi_str *stream,
int direction,
int count)
{
- snd_rawmidi_substream_t *substream;
+ struct snd_rawmidi_substream *substream;
int idx;
- INIT_LIST_HEAD(&stream->substreams);
for (idx = 0; idx < count; idx++) {
- substream = snd_kcalloc(sizeof(snd_rawmidi_substream_t), GFP_KERNEL);
- if (substream == NULL)
+ substream = kzalloc(sizeof(*substream), GFP_KERNEL);
+ if (substream == NULL) {
+ snd_printk(KERN_ERR "rawmidi: cannot allocate substream\n");
return -ENOMEM;
+ }
substream->stream = direction;
substream->number = idx;
substream->rmidi = rmidi;
*
* Returns zero if successful, or a negative error code on failure.
*/
-int snd_rawmidi_new(snd_card_t * card, char *id, int device,
+int snd_rawmidi_new(struct snd_card *card, char *id, int device,
int output_count, int input_count,
- snd_rawmidi_t ** rrawmidi)
+ struct snd_rawmidi ** rrawmidi)
{
- snd_rawmidi_t *rmidi;
+ struct snd_rawmidi *rmidi;
int err;
- static snd_device_ops_t ops = {
+ static struct snd_device_ops ops = {
.dev_free = snd_rawmidi_dev_free,
.dev_register = snd_rawmidi_dev_register,
.dev_disconnect = snd_rawmidi_dev_disconnect,
- .dev_unregister = snd_rawmidi_dev_unregister
};
snd_assert(rrawmidi != NULL, return -EINVAL);
*rrawmidi = NULL;
snd_assert(card != NULL, return -ENXIO);
- rmidi = snd_magic_kcalloc(snd_rawmidi_t, 0, GFP_KERNEL);
- if (rmidi == NULL)
+ rmidi = kzalloc(sizeof(*rmidi), GFP_KERNEL);
+ if (rmidi == NULL) {
+ snd_printk(KERN_ERR "rawmidi: cannot allocate\n");
return -ENOMEM;
+ }
rmidi->card = card;
rmidi->device = device;
- init_MUTEX(&rmidi->open_mutex);
+ mutex_init(&rmidi->open_mutex);
init_waitqueue_head(&rmidi->open_wait);
+ INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT].substreams);
+ INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams);
+
if (id != NULL)
strlcpy(rmidi->id, id, sizeof(rmidi->id));
- if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT], SNDRV_RAWMIDI_STREAM_INPUT, input_count)) < 0) {
+ if ((err = snd_rawmidi_alloc_substreams(rmidi,
+ &rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT],
+ SNDRV_RAWMIDI_STREAM_INPUT,
+ input_count)) < 0) {
snd_rawmidi_free(rmidi);
return err;
}
- if ((err = snd_rawmidi_alloc_substreams(rmidi, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT], SNDRV_RAWMIDI_STREAM_OUTPUT, output_count)) < 0) {
+ if ((err = snd_rawmidi_alloc_substreams(rmidi,
+ &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT],
+ SNDRV_RAWMIDI_STREAM_OUTPUT,
+ output_count)) < 0) {
snd_rawmidi_free(rmidi);
return err;
}
return 0;
}
-static void snd_rawmidi_free_substreams(snd_rawmidi_str_t *stream)
+static void snd_rawmidi_free_substreams(struct snd_rawmidi_str *stream)
{
- snd_rawmidi_substream_t *substream;
+ struct snd_rawmidi_substream *substream;
while (!list_empty(&stream->substreams)) {
- substream = list_entry(stream->substreams.next, snd_rawmidi_substream_t, list);
+ substream = list_entry(stream->substreams.next, struct snd_rawmidi_substream, list);
list_del(&substream->list);
kfree(substream);
}
}
-static int snd_rawmidi_free(snd_rawmidi_t *rmidi)
+static int snd_rawmidi_free(struct snd_rawmidi *rmidi)
{
snd_assert(rmidi != NULL, return -ENXIO);
+
+ snd_info_free_entry(rmidi->proc_entry);
+ rmidi->proc_entry = NULL;
+ mutex_lock(®ister_mutex);
+ if (rmidi->ops && rmidi->ops->dev_unregister)
+ rmidi->ops->dev_unregister(rmidi);
+ mutex_unlock(®ister_mutex);
+
snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_INPUT]);
snd_rawmidi_free_substreams(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT]);
if (rmidi->private_free)
rmidi->private_free(rmidi);
- snd_magic_kfree(rmidi);
+ kfree(rmidi);
return 0;
}
-static int snd_rawmidi_dev_free(snd_device_t *device)
+static int snd_rawmidi_dev_free(struct snd_device *device)
{
- snd_rawmidi_t *rmidi = snd_magic_cast(snd_rawmidi_t, device->device_data, return -ENXIO);
+ struct snd_rawmidi *rmidi = device->device_data;
return snd_rawmidi_free(rmidi);
}
#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
-static void snd_rawmidi_dev_seq_free(snd_seq_device_t *device)
+static void snd_rawmidi_dev_seq_free(struct snd_seq_device *device)
{
- snd_rawmidi_t *rmidi = snd_magic_cast(snd_rawmidi_t, device->private_data, return);
+ struct snd_rawmidi *rmidi = device->private_data;
rmidi->seq_dev = NULL;
}
#endif
-static int snd_rawmidi_dev_register(snd_device_t *device)
+static int snd_rawmidi_dev_register(struct snd_device *device)
{
- int idx, err;
- snd_info_entry_t *entry;
+ int err;
+ struct snd_info_entry *entry;
char name[16];
- snd_rawmidi_t *rmidi = snd_magic_cast(snd_rawmidi_t, device->device_data, return -ENXIO);
+ struct snd_rawmidi *rmidi = device->device_data;
if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)
return -ENOMEM;
- down(®ister_mutex);
- idx = (rmidi->card->number * SNDRV_RAWMIDI_DEVICES) + rmidi->device;
- if (snd_rawmidi_devices[idx] != NULL) {
- up(®ister_mutex);
+ mutex_lock(®ister_mutex);
+ if (snd_rawmidi_search(rmidi->card, rmidi->device)) {
+ mutex_unlock(®ister_mutex);
return -EBUSY;
}
- snd_rawmidi_devices[idx] = rmidi;
+ list_add_tail(&rmidi->list, &snd_rawmidi_devices);
sprintf(name, "midiC%iD%i", rmidi->card->number, rmidi->device);
if ((err = snd_register_device(SNDRV_DEVICE_TYPE_RAWMIDI,
rmidi->card, rmidi->device,
- &snd_rawmidi_reg, name)) < 0) {
+ &snd_rawmidi_f_ops, rmidi, name)) < 0) {
snd_printk(KERN_ERR "unable to register rawmidi device %i:%i\n", rmidi->card->number, rmidi->device);
- snd_rawmidi_devices[idx] = NULL;
- up(®ister_mutex);
+ list_del(&rmidi->list);
+ mutex_unlock(®ister_mutex);
return err;
}
if (rmidi->ops && rmidi->ops->dev_register &&
(err = rmidi->ops->dev_register(rmidi)) < 0) {
snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
- snd_rawmidi_devices[idx] = NULL;
- up(®ister_mutex);
+ list_del(&rmidi->list);
+ mutex_unlock(®ister_mutex);
return err;
}
#ifdef CONFIG_SND_OSSEMUL
rmidi->ossreg = 0;
if ((int)rmidi->device == midi_map[rmidi->card->number]) {
if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI,
- rmidi->card, 0, &snd_rawmidi_reg, name) < 0) {
+ rmidi->card, 0, &snd_rawmidi_f_ops,
+ rmidi, name) < 0) {
snd_printk(KERN_ERR "unable to register OSS rawmidi device %i:%i\n", rmidi->card->number, 0);
} else {
rmidi->ossreg++;
}
if ((int)rmidi->device == amidi_map[rmidi->card->number]) {
if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIDI,
- rmidi->card, 1, &snd_rawmidi_reg, name) < 0) {
+ rmidi->card, 1, &snd_rawmidi_f_ops,
+ rmidi, name) < 0) {
snd_printk(KERN_ERR "unable to register OSS rawmidi device %i:%i\n", rmidi->card->number, 1);
} else {
rmidi->ossreg++;
}
}
#endif /* CONFIG_SND_OSSEMUL */
- up(®ister_mutex);
+ mutex_unlock(®ister_mutex);
sprintf(name, "midi%d", rmidi->device);
entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);
if (entry) {
entry->private_data = rmidi;
- entry->c.text.read_size = 1024;
entry->c.text.read = snd_rawmidi_proc_info_read;
if (snd_info_register(entry) < 0) {
snd_info_free_entry(entry);
return 0;
}
-static int snd_rawmidi_dev_disconnect(snd_device_t *device)
+static int snd_rawmidi_dev_disconnect(struct snd_device *device)
{
- snd_rawmidi_t *rmidi = snd_magic_cast(snd_rawmidi_t, device->device_data, return -ENXIO);
- int idx;
+ struct snd_rawmidi *rmidi = device->device_data;
- down(®ister_mutex);
- idx = (rmidi->card->number * SNDRV_RAWMIDI_DEVICES) + rmidi->device;
- snd_rawmidi_devices[idx] = NULL;
- up(®ister_mutex);
- return 0;
-}
-
-static int snd_rawmidi_dev_unregister(snd_device_t *device)
-{
- int idx;
- snd_rawmidi_t *rmidi = snd_magic_cast(snd_rawmidi_t, device->device_data, return -ENXIO);
-
- snd_assert(rmidi != NULL, return -ENXIO);
- down(®ister_mutex);
- idx = (rmidi->card->number * SNDRV_RAWMIDI_DEVICES) + rmidi->device;
- snd_rawmidi_devices[idx] = NULL;
- if (rmidi->proc_entry) {
- snd_info_unregister(rmidi->proc_entry);
- rmidi->proc_entry = NULL;
- }
+ mutex_lock(®ister_mutex);
+ list_del_init(&rmidi->list);
#ifdef CONFIG_SND_OSSEMUL
if (rmidi->ossreg) {
if ((int)rmidi->device == midi_map[rmidi->card->number]) {
rmidi->ossreg = 0;
}
#endif /* CONFIG_SND_OSSEMUL */
- if (rmidi->ops && rmidi->ops->dev_unregister)
- rmidi->ops->dev_unregister(rmidi);
snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
- up(®ister_mutex);
-#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
- if (rmidi->seq_dev) {
- snd_device_free(rmidi->card, rmidi->seq_dev);
- rmidi->seq_dev = NULL;
- }
-#endif
- return snd_rawmidi_free(rmidi);
+ mutex_unlock(®ister_mutex);
+ return 0;
}
/**
*
* Sets the rawmidi operators for the given stream direction.
*/
-void snd_rawmidi_set_ops(snd_rawmidi_t *rmidi, int stream, snd_rawmidi_ops_t *ops)
+void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream,
+ struct snd_rawmidi_ops *ops)
{
struct list_head *list;
- snd_rawmidi_substream_t *substream;
+ struct snd_rawmidi_substream *substream;
list_for_each(list, &rmidi->streams[stream].substreams) {
- substream = list_entry(list, snd_rawmidi_substream_t, list);
+ substream = list_entry(list, struct snd_rawmidi_substream, list);
substream->ops = ops;
}
}
{
snd_ctl_register_ioctl(snd_rawmidi_control_ioctl);
+ snd_ctl_register_ioctl_compat(snd_rawmidi_control_ioctl);
#ifdef CONFIG_SND_OSSEMUL
{ int i;
/* check device map table */
static void __exit alsa_rawmidi_exit(void)
{
snd_ctl_unregister_ioctl(snd_rawmidi_control_ioctl);
+ snd_ctl_unregister_ioctl_compat(snd_rawmidi_control_ioctl);
}
module_init(alsa_rawmidi_init)
module_exit(alsa_rawmidi_exit)
-#ifndef MODULE
-#ifdef CONFIG_SND_OSSEMUL
-/* format is: snd-rawmidi=midi_map,amidi_map */
-
-static int __init alsa_rawmidi_setup(char *str)
-{
- static unsigned __initdata nr_dev = 0;
-
- if (nr_dev >= SNDRV_CARDS)
- return 0;
- (void)(get_option(&str,&midi_map[nr_dev]) == 2 &&
- get_option(&str,&amidi_map[nr_dev]) == 2);
- nr_dev++;
- return 1;
-}
-
-__setup("snd-rawmidi=", alsa_rawmidi_setup);
-#endif /* CONFIG_SND_OSSEMUL */
-#endif /* ifndef MODULE */
-
EXPORT_SYMBOL(snd_rawmidi_output_params);
EXPORT_SYMBOL(snd_rawmidi_input_params);
EXPORT_SYMBOL(snd_rawmidi_drop_output);
EXPORT_SYMBOL(snd_rawmidi_transmit);
EXPORT_SYMBOL(snd_rawmidi_new);
EXPORT_SYMBOL(snd_rawmidi_set_ops);
-EXPORT_SYMBOL(snd_rawmidi_info);
EXPORT_SYMBOL(snd_rawmidi_info_select);
EXPORT_SYMBOL(snd_rawmidi_kernel_open);
EXPORT_SYMBOL(snd_rawmidi_kernel_release);
git://git.onelab.eu / linux-2.6.git / blobdiff