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Diffstat (limited to 'sound/core/pcm.c')
-rw-r--r--sound/core/pcm.c214
1 files changed, 114 insertions, 100 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 184e74b75ba..59c995bbf15 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -33,18 +33,18 @@ MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Abramo Bagnara <abramo@alsa-proj
MODULE_DESCRIPTION("Midlevel PCM code for ALSA.");
MODULE_LICENSE("GPL");
-snd_pcm_t *snd_pcm_devices[SNDRV_CARDS * SNDRV_PCM_DEVICES];
+struct snd_pcm *snd_pcm_devices[SNDRV_CARDS * SNDRV_PCM_DEVICES];
static LIST_HEAD(snd_pcm_notify_list);
static DECLARE_MUTEX(register_mutex);
-static int snd_pcm_free(snd_pcm_t *pcm);
-static int snd_pcm_dev_free(snd_device_t *device);
-static int snd_pcm_dev_register(snd_device_t *device);
-static int snd_pcm_dev_disconnect(snd_device_t *device);
-static int snd_pcm_dev_unregister(snd_device_t *device);
+static int snd_pcm_free(struct snd_pcm *pcm);
+static int snd_pcm_dev_free(struct snd_device *device);
+static int snd_pcm_dev_register(struct snd_device *device);
+static int snd_pcm_dev_disconnect(struct snd_device *device);
+static int snd_pcm_dev_unregister(struct snd_device *device);
-static int snd_pcm_control_ioctl(snd_card_t * card,
- snd_ctl_file_t * control,
+static int snd_pcm_control_ioctl(struct snd_card *card,
+ struct snd_ctl_file *control,
unsigned int cmd, unsigned long arg)
{
unsigned int tmp;
@@ -71,13 +71,13 @@ static int snd_pcm_control_ioctl(snd_card_t * card,
}
case SNDRV_CTL_IOCTL_PCM_INFO:
{
- snd_pcm_info_t __user *info;
+ struct snd_pcm_info __user *info;
unsigned int device, subdevice;
- snd_pcm_stream_t stream;
- snd_pcm_t *pcm;
- snd_pcm_str_t *pstr;
- snd_pcm_substream_t *substream;
- info = (snd_pcm_info_t __user *)arg;
+ int stream;
+ struct snd_pcm *pcm;
+ struct snd_pcm_str *pstr;
+ struct snd_pcm_substream *substream;
+ info = (struct snd_pcm_info __user *)arg;
if (get_user(device, &info->device))
return -EFAULT;
if (device >= SNDRV_PCM_DEVICES)
@@ -200,7 +200,7 @@ static char *snd_pcm_tstamp_mode_names[] = {
TSTAMP(MMAP),
};
-static const char *snd_pcm_stream_name(snd_pcm_stream_t stream)
+static const char *snd_pcm_stream_name(int stream)
{
snd_assert(stream <= SNDRV_PCM_STREAM_LAST, return NULL);
return snd_pcm_stream_names[stream];
@@ -208,23 +208,20 @@ static const char *snd_pcm_stream_name(snd_pcm_stream_t stream)
static const char *snd_pcm_access_name(snd_pcm_access_t access)
{
- snd_assert(access <= SNDRV_PCM_ACCESS_LAST, return NULL);
return snd_pcm_access_names[access];
}
const char *snd_pcm_format_name(snd_pcm_format_t format)
{
- snd_assert(format <= SNDRV_PCM_FORMAT_LAST, return NULL);
return snd_pcm_format_names[format];
}
static const char *snd_pcm_subformat_name(snd_pcm_subformat_t subformat)
{
- snd_assert(subformat <= SNDRV_PCM_SUBFORMAT_LAST, return NULL);
return snd_pcm_subformat_names[subformat];
}
-static const char *snd_pcm_tstamp_mode_name(snd_pcm_tstamp_t mode)
+static const char *snd_pcm_tstamp_mode_name(int mode)
{
snd_assert(mode <= SNDRV_PCM_TSTAMP_LAST, return NULL);
return snd_pcm_tstamp_mode_names[mode];
@@ -232,7 +229,6 @@ static const char *snd_pcm_tstamp_mode_name(snd_pcm_tstamp_t mode)
static const char *snd_pcm_state_name(snd_pcm_state_t state)
{
- snd_assert(state <= SNDRV_PCM_STATE_LAST, return NULL);
return snd_pcm_state_names[state];
}
@@ -268,9 +264,10 @@ static const char *snd_pcm_oss_format_name(int format)
#endif
#ifdef CONFIG_PROC_FS
-static void snd_pcm_proc_info_read(snd_pcm_substream_t *substream, snd_info_buffer_t *buffer)
+static void snd_pcm_proc_info_read(struct snd_pcm_substream *substream,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_info_t *info;
+ struct snd_pcm_info *info;
int err;
if (! substream)
@@ -302,20 +299,25 @@ static void snd_pcm_proc_info_read(snd_pcm_substream_t *substream, snd_info_buff
kfree(info);
}
-static void snd_pcm_stream_proc_info_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_stream_proc_info_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_proc_info_read(((snd_pcm_str_t *)entry->private_data)->substream, buffer);
+ snd_pcm_proc_info_read(((struct snd_pcm_str *)entry->private_data)->substream,
+ buffer);
}
-static void snd_pcm_substream_proc_info_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_substream_proc_info_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_proc_info_read((snd_pcm_substream_t *)entry->private_data, buffer);
+ snd_pcm_proc_info_read((struct snd_pcm_substream *)entry->private_data,
+ buffer);
}
-static void snd_pcm_substream_proc_hw_params_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_substream_proc_hw_params_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_substream_t *substream = (snd_pcm_substream_t *)entry->private_data;
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_substream *substream = entry->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (!runtime) {
snd_iprintf(buffer, "closed\n");
return;
@@ -347,10 +349,11 @@ static void snd_pcm_substream_proc_hw_params_read(snd_info_entry_t *entry, snd_i
snd_pcm_stream_unlock_irq(substream);
}
-static void snd_pcm_substream_proc_sw_params_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_substream_proc_sw_params_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_substream_t *substream = (snd_pcm_substream_t *)entry->private_data;
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_substream *substream = entry->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (!runtime) {
snd_iprintf(buffer, "closed\n");
return;
@@ -374,11 +377,12 @@ static void snd_pcm_substream_proc_sw_params_read(snd_info_entry_t *entry, snd_i
snd_pcm_stream_unlock_irq(substream);
}
-static void snd_pcm_substream_proc_status_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_substream_proc_status_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_substream_t *substream = (snd_pcm_substream_t *)entry->private_data;
- snd_pcm_runtime_t *runtime = substream->runtime;
- snd_pcm_status_t status;
+ struct snd_pcm_substream *substream = entry->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_pcm_status status;
int err;
if (!runtime) {
snd_iprintf(buffer, "closed\n");
@@ -405,25 +409,27 @@ static void snd_pcm_substream_proc_status_read(snd_info_entry_t *entry, snd_info
#endif
#ifdef CONFIG_SND_DEBUG
-static void snd_pcm_xrun_debug_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_xrun_debug_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_str_t *pstr = (snd_pcm_str_t *)entry->private_data;
+ struct snd_pcm_str *pstr = entry->private_data;
snd_iprintf(buffer, "%d\n", pstr->xrun_debug);
}
-static void snd_pcm_xrun_debug_write(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
+static void snd_pcm_xrun_debug_write(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
- snd_pcm_str_t *pstr = (snd_pcm_str_t *)entry->private_data;
+ struct snd_pcm_str *pstr = entry->private_data;
char line[64];
if (!snd_info_get_line(buffer, line, sizeof(line)))
pstr->xrun_debug = simple_strtoul(line, NULL, 10);
}
#endif
-static int snd_pcm_stream_proc_init(snd_pcm_str_t *pstr)
+static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
{
- snd_pcm_t *pcm = pstr->pcm;
- snd_info_entry_t *entry;
+ struct snd_pcm *pcm = pstr->pcm;
+ struct snd_info_entry *entry;
char name[16];
sprintf(name, "pcm%i%c", pcm->device,
@@ -447,7 +453,8 @@ static int snd_pcm_stream_proc_init(snd_pcm_str_t *pstr)
pstr->proc_info_entry = entry;
#ifdef CONFIG_SND_DEBUG
- if ((entry = snd_info_create_card_entry(pcm->card, "xrun_debug", pstr->proc_root)) != NULL) {
+ if ((entry = snd_info_create_card_entry(pcm->card, "xrun_debug",
+ pstr->proc_root)) != NULL) {
entry->c.text.read_size = 64;
entry->c.text.read = snd_pcm_xrun_debug_read;
entry->c.text.write_size = 64;
@@ -464,7 +471,7 @@ static int snd_pcm_stream_proc_init(snd_pcm_str_t *pstr)
return 0;
}
-static int snd_pcm_stream_proc_done(snd_pcm_str_t *pstr)
+static int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr)
{
#ifdef CONFIG_SND_DEBUG
if (pstr->proc_xrun_debug_entry) {
@@ -483,10 +490,10 @@ static int snd_pcm_stream_proc_done(snd_pcm_str_t *pstr)
return 0;
}
-static int snd_pcm_substream_proc_init(snd_pcm_substream_t *substream)
+static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
{
- snd_info_entry_t *entry;
- snd_card_t *card;
+ struct snd_info_entry *entry;
+ struct snd_card *card;
char name[16];
card = substream->pcm->card;
@@ -540,7 +547,7 @@ static int snd_pcm_substream_proc_init(snd_pcm_substream_t *substream)
return 0;
}
-static int snd_pcm_substream_proc_done(snd_pcm_substream_t *substream)
+static int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream)
{
if (substream->proc_info_entry) {
snd_info_unregister(substream->proc_info_entry);
@@ -578,11 +585,11 @@ static int snd_pcm_substream_proc_done(snd_pcm_substream_t *substream)
*
* Returns zero if successful, or a negative error code on failure.
*/
-int snd_pcm_new_stream(snd_pcm_t *pcm, int stream, int substream_count)
+int snd_pcm_new_stream(struct snd_pcm *pcm, int stream, int substream_count)
{
int idx, err;
- snd_pcm_str_t *pstr = &pcm->streams[stream];
- snd_pcm_substream_t *substream, *prev;
+ struct snd_pcm_str *pstr = &pcm->streams[stream];
+ struct snd_pcm_substream *substream, *prev;
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
init_MUTEX(&pstr->oss.setup_mutex);
@@ -642,13 +649,13 @@ int snd_pcm_new_stream(snd_pcm_t *pcm, int stream, int substream_count)
*
* Returns zero if successful, or a negative error code on failure.
*/
-int snd_pcm_new(snd_card_t * card, char *id, int device,
+int snd_pcm_new(struct snd_card *card, char *id, int device,
int playback_count, int capture_count,
- snd_pcm_t ** rpcm)
+ struct snd_pcm ** rpcm)
{
- snd_pcm_t *pcm;
+ struct snd_pcm *pcm;
int err;
- static snd_device_ops_t ops = {
+ static struct snd_device_ops ops = {
.dev_free = snd_pcm_dev_free,
.dev_register = snd_pcm_dev_register,
.dev_disconnect = snd_pcm_dev_disconnect,
@@ -684,11 +691,11 @@ int snd_pcm_new(snd_card_t * card, char *id, int device,
return 0;
}
-static void snd_pcm_free_stream(snd_pcm_str_t * pstr)
+static void snd_pcm_free_stream(struct snd_pcm_str * pstr)
{
- snd_pcm_substream_t *substream, *substream_next;
+ struct snd_pcm_substream *substream, *substream_next;
#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- snd_pcm_oss_setup_t *setup, *setupn;
+ struct snd_pcm_oss_setup *setup, *setupn;
#endif
substream = pstr->substream;
while (substream) {
@@ -707,7 +714,7 @@ static void snd_pcm_free_stream(snd_pcm_str_t * pstr)
#endif
}
-static int snd_pcm_free(snd_pcm_t *pcm)
+static int snd_pcm_free(struct snd_pcm *pcm)
{
snd_assert(pcm != NULL, return -ENXIO);
if (pcm->private_free)
@@ -719,26 +726,26 @@ static int snd_pcm_free(snd_pcm_t *pcm)
return 0;
}
-static int snd_pcm_dev_free(snd_device_t *device)
+static int snd_pcm_dev_free(struct snd_device *device)
{
- snd_pcm_t *pcm = device->device_data;
+ struct snd_pcm *pcm = device->device_data;
return snd_pcm_free(pcm);
}
static void snd_pcm_tick_timer_func(unsigned long data)
{
- snd_pcm_substream_t *substream = (snd_pcm_substream_t*) data;
+ struct snd_pcm_substream *substream = (struct snd_pcm_substream *) data;
snd_pcm_tick_elapsed(substream);
}
-int snd_pcm_open_substream(snd_pcm_t *pcm, int stream,
- snd_pcm_substream_t **rsubstream)
+int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
+ struct snd_pcm_substream **rsubstream)
{
- snd_pcm_str_t * pstr;
- snd_pcm_substream_t * substream;
- snd_pcm_runtime_t * runtime;
- snd_ctl_file_t *kctl;
- snd_card_t *card;
+ struct snd_pcm_str * pstr;
+ struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ struct snd_ctl_file *kctl;
+ struct snd_card *card;
struct list_head *list;
int prefer_subdevice = -1;
size_t size;
@@ -800,7 +807,7 @@ int snd_pcm_open_substream(snd_pcm_t *pcm, int stream,
if (runtime == NULL)
return -ENOMEM;
- size = PAGE_ALIGN(sizeof(snd_pcm_mmap_status_t));
+ size = PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status));
runtime->status = snd_malloc_pages(size, GFP_KERNEL);
if (runtime->status == NULL) {
kfree(runtime);
@@ -808,10 +815,11 @@ int snd_pcm_open_substream(snd_pcm_t *pcm, int stream,
}
memset((void*)runtime->status, 0, size);
- size = PAGE_ALIGN(sizeof(snd_pcm_mmap_control_t));
+ size = PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control));
runtime->control = snd_malloc_pages(size, GFP_KERNEL);
if (runtime->control == NULL) {
- snd_free_pages((void*)runtime->status, PAGE_ALIGN(sizeof(snd_pcm_mmap_status_t)));
+ snd_free_pages((void*)runtime->status,
+ PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status)));
kfree(runtime);
return -ENOMEM;
}
@@ -832,30 +840,32 @@ int snd_pcm_open_substream(snd_pcm_t *pcm, int stream,
return 0;
}
-void snd_pcm_release_substream(snd_pcm_substream_t *substream)
+void snd_pcm_release_substream(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t * runtime;
+ struct snd_pcm_runtime *runtime;
substream->file = NULL;
runtime = substream->runtime;
snd_assert(runtime != NULL, return);
if (runtime->private_free != NULL)
runtime->private_free(runtime);
- snd_free_pages((void*)runtime->status, PAGE_ALIGN(sizeof(snd_pcm_mmap_status_t)));
- snd_free_pages((void*)runtime->control, PAGE_ALIGN(sizeof(snd_pcm_mmap_control_t)));
+ snd_free_pages((void*)runtime->status,
+ PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status)));
+ snd_free_pages((void*)runtime->control,
+ PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)));
kfree(runtime->hw_constraints.rules);
kfree(runtime);
substream->runtime = NULL;
substream->pstr->substream_opened--;
}
-static int snd_pcm_dev_register(snd_device_t *device)
+static int snd_pcm_dev_register(struct snd_device *device)
{
int idx, cidx, err;
unsigned short minor;
- snd_pcm_substream_t *substream;
+ struct snd_pcm_substream *substream;
struct list_head *list;
char str[16];
- snd_pcm_t *pcm = device->device_data;
+ struct snd_pcm *pcm = device->device_data;
snd_assert(pcm != NULL && device != NULL, return -ENXIO);
down(&register_mutex);
@@ -890,19 +900,19 @@ static int snd_pcm_dev_register(snd_device_t *device)
snd_pcm_timer_init(substream);
}
list_for_each(list, &snd_pcm_notify_list) {
- snd_pcm_notify_t *notify;
- notify = list_entry(list, snd_pcm_notify_t, list);
+ struct snd_pcm_notify *notify;
+ notify = list_entry(list, struct snd_pcm_notify, list);
notify->n_register(pcm);
}
up(&register_mutex);
return 0;
}
-static int snd_pcm_dev_disconnect(snd_device_t *device)
+static int snd_pcm_dev_disconnect(struct snd_device *device)
{
- snd_pcm_t *pcm = device->device_data;
+ struct snd_pcm *pcm = device->device_data;
struct list_head *list;
- snd_pcm_substream_t *substream;
+ struct snd_pcm_substream *substream;
int idx, cidx;
down(&register_mutex);
@@ -913,20 +923,20 @@ static int snd_pcm_dev_disconnect(snd_device_t *device)
if (substream->runtime)
substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED;
list_for_each(list, &snd_pcm_notify_list) {
- snd_pcm_notify_t *notify;
- notify = list_entry(list, snd_pcm_notify_t, list);
+ struct snd_pcm_notify *notify;
+ notify = list_entry(list, struct snd_pcm_notify, list);
notify->n_disconnect(pcm);
}
up(&register_mutex);
return 0;
}
-static int snd_pcm_dev_unregister(snd_device_t *device)
+static int snd_pcm_dev_unregister(struct snd_device *device)
{
int idx, cidx, devtype;
- snd_pcm_substream_t *substream;
+ struct snd_pcm_substream *substream;
struct list_head *list;
- snd_pcm_t *pcm = device->device_data;
+ struct snd_pcm *pcm = device->device_data;
snd_assert(pcm != NULL, return -ENXIO);
down(&register_mutex);
@@ -947,15 +957,15 @@ static int snd_pcm_dev_unregister(snd_device_t *device)
snd_pcm_timer_done(substream);
}
list_for_each(list, &snd_pcm_notify_list) {
- snd_pcm_notify_t *notify;
- notify = list_entry(list, snd_pcm_notify_t, list);
+ struct snd_pcm_notify *notify;
+ notify = list_entry(list, struct snd_pcm_notify, list);
notify->n_unregister(pcm);
}
up(&register_mutex);
return snd_pcm_free(pcm);
}
-int snd_pcm_notify(snd_pcm_notify_t *notify, int nfree)
+int snd_pcm_notify(struct snd_pcm_notify *notify, int nfree)
{
int idx;
@@ -984,10 +994,11 @@ int snd_pcm_notify(snd_pcm_notify_t *notify, int nfree)
* Info interface
*/
-static void snd_pcm_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer)
+static void snd_pcm_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
{
int idx;
- snd_pcm_t *pcm;
+ struct snd_pcm *pcm;
down(&register_mutex);
for (idx = 0; idx < SNDRV_CARDS * SNDRV_PCM_DEVICES; idx++) {
@@ -997,9 +1008,11 @@ static void snd_pcm_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * buffe
snd_iprintf(buffer, "%02i-%02i: %s : %s", idx / SNDRV_PCM_DEVICES,
idx % SNDRV_PCM_DEVICES, pcm->id, pcm->name);
if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream)
- snd_iprintf(buffer, " : playback %i", pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream_count);
+ snd_iprintf(buffer, " : playback %i",
+ pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream_count);
if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream)
- snd_iprintf(buffer, " : capture %i", pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count);
+ snd_iprintf(buffer, " : capture %i",
+ pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count);
snd_iprintf(buffer, "\n");
}
up(&register_mutex);
@@ -1009,16 +1022,17 @@ static void snd_pcm_proc_read(snd_info_entry_t *entry, snd_info_buffer_t * buffe
* ENTRY functions
*/
-static snd_info_entry_t *snd_pcm_proc_entry = NULL;
+static struct snd_info_entry *snd_pcm_proc_entry = NULL;
static int __init alsa_pcm_init(void)
{
- snd_info_entry_t *entry;
+ struct snd_info_entry *entry;
snd_ctl_register_ioctl(snd_pcm_control_ioctl);
snd_ctl_register_ioctl_compat(snd_pcm_control_ioctl);
if ((entry = snd_info_create_module_entry(THIS_MODULE, "pcm", NULL)) != NULL) {
- snd_info_set_text_ops(entry, NULL, SNDRV_CARDS * SNDRV_PCM_DEVICES * 128, snd_pcm_proc_read);
+ snd_info_set_text_ops(entry, NULL, SNDRV_CARDS * SNDRV_PCM_DEVICES * 128,
+ snd_pcm_proc_read);
if (snd_info_register(entry) < 0) {
snd_info_free_entry(entry);
entry = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:34:28 +0000