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-rw-r--r--sound/core/pcm_native.c720
1 files changed, 388 insertions, 332 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 16e252f5495..f3d5de7b55a 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -39,11 +39,11 @@
* Compatibility
*/
-struct sndrv_pcm_hw_params_old {
+struct snd_pcm_hw_params_old {
unsigned int flags;
unsigned int masks[SNDRV_PCM_HW_PARAM_SUBFORMAT -
SNDRV_PCM_HW_PARAM_ACCESS + 1];
- struct sndrv_interval intervals[SNDRV_PCM_HW_PARAM_TICK_TIME -
+ struct snd_interval intervals[SNDRV_PCM_HW_PARAM_TICK_TIME -
SNDRV_PCM_HW_PARAM_SAMPLE_BITS + 1];
unsigned int rmask;
unsigned int cmask;
@@ -51,15 +51,20 @@ struct sndrv_pcm_hw_params_old {
unsigned int msbits;
unsigned int rate_num;
unsigned int rate_den;
- sndrv_pcm_uframes_t fifo_size;
+ snd_pcm_uframes_t fifo_size;
unsigned char reserved[64];
};
-#define SNDRV_PCM_IOCTL_HW_REFINE_OLD _IOWR('A', 0x10, struct sndrv_pcm_hw_params_old)
-#define SNDRV_PCM_IOCTL_HW_PARAMS_OLD _IOWR('A', 0x11, struct sndrv_pcm_hw_params_old)
+#ifdef CONFIG_SND_SUPPORT_OLD_API
+#define SNDRV_PCM_IOCTL_HW_REFINE_OLD _IOWR('A', 0x10, struct snd_pcm_hw_params_old)
+#define SNDRV_PCM_IOCTL_HW_PARAMS_OLD _IOWR('A', 0x11, struct snd_pcm_hw_params_old)
-static int snd_pcm_hw_refine_old_user(snd_pcm_substream_t * substream, struct sndrv_pcm_hw_params_old __user * _oparams);
-static int snd_pcm_hw_params_old_user(snd_pcm_substream_t * substream, struct sndrv_pcm_hw_params_old __user * _oparams);
+static int snd_pcm_hw_refine_old_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params_old __user * _oparams);
+static int snd_pcm_hw_params_old_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params_old __user * _oparams);
+#endif
+static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream);
/*
*
@@ -83,11 +88,11 @@ static inline void snd_leave_user(mm_segment_t fs)
-int snd_pcm_info(snd_pcm_substream_t * substream, snd_pcm_info_t *info)
+int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info)
{
- snd_pcm_runtime_t * runtime;
- snd_pcm_t *pcm = substream->pcm;
- snd_pcm_str_t *pstr = substream->pstr;
+ struct snd_pcm_runtime *runtime;
+ struct snd_pcm *pcm = substream->pcm;
+ struct snd_pcm_str *pstr = substream->pstr;
snd_assert(substream != NULL, return -ENXIO);
memset(info, 0, sizeof(*info));
@@ -111,9 +116,10 @@ int snd_pcm_info(snd_pcm_substream_t * substream, snd_pcm_info_t *info)
return 0;
}
-int snd_pcm_info_user(snd_pcm_substream_t * substream, snd_pcm_info_t __user * _info)
+int snd_pcm_info_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_info __user * _info)
{
- snd_pcm_info_t *info;
+ struct snd_pcm_info *info;
int err;
info = kmalloc(sizeof(*info), GFP_KERNEL);
@@ -151,14 +157,14 @@ char *snd_pcm_hw_param_names[] = {
};
#endif
-int snd_pcm_hw_refine(snd_pcm_substream_t *substream,
- snd_pcm_hw_params_t *params)
+int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
{
unsigned int k;
- snd_pcm_hardware_t *hw;
- snd_interval_t *i = NULL;
- snd_mask_t *m = NULL;
- snd_pcm_hw_constraints_t *constrs = &substream->runtime->hw_constraints;
+ struct snd_pcm_hardware *hw;
+ struct snd_interval *i = NULL;
+ struct snd_mask *m = NULL;
+ struct snd_pcm_hw_constraints *constrs = &substream->runtime->hw_constraints;
unsigned int rstamps[constrs->rules_num];
unsigned int vstamps[SNDRV_PCM_HW_PARAM_LAST_INTERVAL + 1];
unsigned int stamp = 2;
@@ -231,7 +237,7 @@ int snd_pcm_hw_refine(snd_pcm_substream_t *substream,
do {
again = 0;
for (k = 0; k < constrs->rules_num; k++) {
- snd_pcm_hw_rule_t *r = &constrs->rules[k];
+ struct snd_pcm_hw_rule *r = &constrs->rules[k];
unsigned int d;
int doit = 0;
if (r->cond && !(r->cond & params->flags))
@@ -313,9 +319,10 @@ int snd_pcm_hw_refine(snd_pcm_substream_t *substream,
return 0;
}
-static int snd_pcm_hw_refine_user(snd_pcm_substream_t * substream, snd_pcm_hw_params_t __user * _params)
+static int snd_pcm_hw_refine_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params __user * _params)
{
- snd_pcm_hw_params_t *params;
+ struct snd_pcm_hw_params *params;
int err;
params = kmalloc(sizeof(*params), GFP_KERNEL);
@@ -337,10 +344,10 @@ out:
return err;
}
-static int snd_pcm_hw_params(snd_pcm_substream_t *substream,
- snd_pcm_hw_params_t *params)
+static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
int err;
unsigned int bits;
snd_pcm_uframes_t frames;
@@ -432,9 +439,10 @@ static int snd_pcm_hw_params(snd_pcm_substream_t *substream,
return err;
}
-static int snd_pcm_hw_params_user(snd_pcm_substream_t * substream, snd_pcm_hw_params_t __user * _params)
+static int snd_pcm_hw_params_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params __user * _params)
{
- snd_pcm_hw_params_t *params;
+ struct snd_pcm_hw_params *params;
int err;
params = kmalloc(sizeof(*params), GFP_KERNEL);
@@ -456,9 +464,9 @@ out:
return err;
}
-static int snd_pcm_hw_free(snd_pcm_substream_t * substream)
+static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
int result = 0;
snd_assert(substream != NULL, return -ENXIO);
@@ -482,9 +490,10 @@ static int snd_pcm_hw_free(snd_pcm_substream_t * substream)
return result;
}
-static int snd_pcm_sw_params(snd_pcm_substream_t * substream, snd_pcm_sw_params_t *params)
+static int snd_pcm_sw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_sw_params *params)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
snd_assert(substream != NULL, return -ENXIO);
runtime = substream->runtime;
@@ -537,9 +546,10 @@ static int snd_pcm_sw_params(snd_pcm_substream_t * substream, snd_pcm_sw_params_
return 0;
}
-static int snd_pcm_sw_params_user(snd_pcm_substream_t * substream, snd_pcm_sw_params_t __user * _params)
+static int snd_pcm_sw_params_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_sw_params __user * _params)
{
- snd_pcm_sw_params_t params;
+ struct snd_pcm_sw_params params;
int err;
if (copy_from_user(&params, _params, sizeof(params)))
return -EFAULT;
@@ -549,10 +559,10 @@ static int snd_pcm_sw_params_user(snd_pcm_substream_t * substream, snd_pcm_sw_pa
return err;
}
-int snd_pcm_status(snd_pcm_substream_t *substream,
- snd_pcm_status_t *status)
+int snd_pcm_status(struct snd_pcm_substream *substream,
+ struct snd_pcm_status *status)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_stream_lock_irq(substream);
status->state = runtime->status->state;
@@ -593,10 +603,11 @@ int snd_pcm_status(snd_pcm_substream_t *substream,
return 0;
}
-static int snd_pcm_status_user(snd_pcm_substream_t * substream, snd_pcm_status_t __user * _status)
+static int snd_pcm_status_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_status __user * _status)
{
- snd_pcm_status_t status;
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_status status;
+ struct snd_pcm_runtime *runtime;
int res;
snd_assert(substream != NULL, return -ENXIO);
@@ -610,9 +621,10 @@ static int snd_pcm_status_user(snd_pcm_substream_t * substream, snd_pcm_status_t
return 0;
}
-static int snd_pcm_channel_info(snd_pcm_substream_t * substream, snd_pcm_channel_info_t * info)
+static int snd_pcm_channel_info(struct snd_pcm_substream *substream,
+ struct snd_pcm_channel_info * info)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
unsigned int channel;
snd_assert(substream != NULL, return -ENXIO);
@@ -631,9 +643,10 @@ static int snd_pcm_channel_info(snd_pcm_substream_t * substream, snd_pcm_channel
return substream->ops->ioctl(substream, SNDRV_PCM_IOCTL1_CHANNEL_INFO, info);
}
-static int snd_pcm_channel_info_user(snd_pcm_substream_t * substream, snd_pcm_channel_info_t __user * _info)
+static int snd_pcm_channel_info_user(struct snd_pcm_substream *substream,
+ struct snd_pcm_channel_info __user * _info)
{
- snd_pcm_channel_info_t info;
+ struct snd_pcm_channel_info info;
int res;
if (copy_from_user(&info, _info, sizeof(info)))
@@ -646,9 +659,9 @@ static int snd_pcm_channel_info_user(snd_pcm_substream_t * substream, snd_pcm_ch
return 0;
}
-static void snd_pcm_trigger_tstamp(snd_pcm_substream_t *substream)
+static void snd_pcm_trigger_tstamp(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->trigger_master == NULL)
return;
if (runtime->trigger_master == substream) {
@@ -661,10 +674,10 @@ static void snd_pcm_trigger_tstamp(snd_pcm_substream_t *substream)
}
struct action_ops {
- int (*pre_action)(snd_pcm_substream_t *substream, int state);
- int (*do_action)(snd_pcm_substream_t *substream, int state);
- void (*undo_action)(snd_pcm_substream_t *substream, int state);
- void (*post_action)(snd_pcm_substream_t *substream, int state);
+ int (*pre_action)(struct snd_pcm_substream *substream, int state);
+ int (*do_action)(struct snd_pcm_substream *substream, int state);
+ void (*undo_action)(struct snd_pcm_substream *substream, int state);
+ void (*post_action)(struct snd_pcm_substream *substream, int state);
};
/*
@@ -673,12 +686,12 @@ struct action_ops {
* Note2: call with calling stream lock + link lock
*/
static int snd_pcm_action_group(struct action_ops *ops,
- snd_pcm_substream_t *substream,
+ struct snd_pcm_substream *substream,
int state, int do_lock)
{
struct list_head *pos;
- snd_pcm_substream_t *s = NULL;
- snd_pcm_substream_t *s1;
+ struct snd_pcm_substream *s = NULL;
+ struct snd_pcm_substream *s1;
int res = 0;
snd_pcm_group_for_each(pos, substream) {
@@ -727,7 +740,7 @@ static int snd_pcm_action_group(struct action_ops *ops,
* Note: call with stream lock
*/
static int snd_pcm_action_single(struct action_ops *ops,
- snd_pcm_substream_t *substream,
+ struct snd_pcm_substream *substream,
int state)
{
int res;
@@ -747,7 +760,7 @@ static int snd_pcm_action_single(struct action_ops *ops,
* Note: call with stream lock
*/
static int snd_pcm_action(struct action_ops *ops,
- snd_pcm_substream_t *substream,
+ struct snd_pcm_substream *substream,
int state)
{
int res;
@@ -770,7 +783,7 @@ static int snd_pcm_action(struct action_ops *ops,
* Note: don't use any locks before
*/
static int snd_pcm_action_lock_irq(struct action_ops *ops,
- snd_pcm_substream_t *substream,
+ struct snd_pcm_substream *substream,
int state)
{
int res;
@@ -794,7 +807,7 @@ static int snd_pcm_action_lock_irq(struct action_ops *ops,
/*
*/
static int snd_pcm_action_nonatomic(struct action_ops *ops,
- snd_pcm_substream_t *substream,
+ struct snd_pcm_substream *substream,
int state)
{
int res;
@@ -811,9 +824,9 @@ static int snd_pcm_action_nonatomic(struct action_ops *ops,
/*
* start callbacks
*/
-static int snd_pcm_pre_start(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_pre_start(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state != SNDRV_PCM_STATE_PREPARED)
return -EBADFD;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
@@ -823,22 +836,22 @@ static int snd_pcm_pre_start(snd_pcm_substream_t *substream, int state)
return 0;
}
-static int snd_pcm_do_start(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_do_start(struct snd_pcm_substream *substream, int state)
{
if (substream->runtime->trigger_master != substream)
return 0;
return substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_START);
}
-static void snd_pcm_undo_start(snd_pcm_substream_t *substream, int state)
+static void snd_pcm_undo_start(struct snd_pcm_substream *substream, int state)
{
if (substream->runtime->trigger_master == substream)
substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_STOP);
}
-static void snd_pcm_post_start(snd_pcm_substream_t *substream, int state)
+static void snd_pcm_post_start(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
runtime->status->state = state;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
@@ -847,7 +860,8 @@ static void snd_pcm_post_start(snd_pcm_substream_t *substream, int state)
if (runtime->sleep_min)
snd_pcm_tick_prepare(substream);
if (substream->timer)
- snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSTART, &runtime->trigger_tstamp);
+ snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSTART,
+ &runtime->trigger_tstamp);
}
static struct action_ops snd_pcm_action_start = {
@@ -863,24 +877,25 @@ static struct action_ops snd_pcm_action_start = {
*
* Start all linked streams.
*/
-int snd_pcm_start(snd_pcm_substream_t *substream)
+int snd_pcm_start(struct snd_pcm_substream *substream)
{
- return snd_pcm_action(&snd_pcm_action_start, substream, SNDRV_PCM_STATE_RUNNING);
+ return snd_pcm_action(&snd_pcm_action_start, substream,
+ SNDRV_PCM_STATE_RUNNING);
}
/*
* stop callbacks
*/
-static int snd_pcm_pre_stop(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_pre_stop(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
runtime->trigger_master = substream;
return 0;
}
-static int snd_pcm_do_stop(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_do_stop(struct snd_pcm_substream *substream, int state)
{
if (substream->runtime->trigger_master == substream &&
snd_pcm_running(substream))
@@ -888,13 +903,14 @@ static int snd_pcm_do_stop(snd_pcm_substream_t *substream, int state)
return 0; /* unconditonally stop all substreams */
}
-static void snd_pcm_post_stop(snd_pcm_substream_t *substream, int state)
+static void snd_pcm_post_stop(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state != state) {
snd_pcm_trigger_tstamp(substream);
if (substream->timer)
- snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSTOP, &runtime->trigger_tstamp);
+ snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSTOP,
+ &runtime->trigger_tstamp);
runtime->status->state = state;
snd_pcm_tick_set(substream, 0);
}
@@ -915,7 +931,7 @@ static struct action_ops snd_pcm_action_stop = {
* Try to stop all running streams in the substream group.
* The state of each stream is changed to the given value after that unconditionally.
*/
-int snd_pcm_stop(snd_pcm_substream_t *substream, int state)
+int snd_pcm_stop(struct snd_pcm_substream *substream, int state)
{
return snd_pcm_action(&snd_pcm_action_stop, substream, state);
}
@@ -928,17 +944,18 @@ int snd_pcm_stop(snd_pcm_substream_t *substream, int state)
* The state is changed to SETUP.
* Unlike snd_pcm_stop(), this affects only the given stream.
*/
-int snd_pcm_drain_done(snd_pcm_substream_t *substream)
+int snd_pcm_drain_done(struct snd_pcm_substream *substream)
{
- return snd_pcm_action_single(&snd_pcm_action_stop, substream, SNDRV_PCM_STATE_SETUP);
+ return snd_pcm_action_single(&snd_pcm_action_stop, substream,
+ SNDRV_PCM_STATE_SETUP);
}
/*
* pause callbacks
*/
-static int snd_pcm_pre_pause(snd_pcm_substream_t *substream, int push)
+static int snd_pcm_pre_pause(struct snd_pcm_substream *substream, int push)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (!(runtime->info & SNDRV_PCM_INFO_PAUSE))
return -ENOSYS;
if (push) {
@@ -950,7 +967,7 @@ static int snd_pcm_pre_pause(snd_pcm_substream_t *substream, int push)
return 0;
}
-static int snd_pcm_do_pause(snd_pcm_substream_t *substream, int push)
+static int snd_pcm_do_pause(struct snd_pcm_substream *substream, int push)
{
if (substream->runtime->trigger_master != substream)
return 0;
@@ -959,7 +976,7 @@ static int snd_pcm_do_pause(snd_pcm_substream_t *substream, int push)
SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
}
-static void snd_pcm_undo_pause(snd_pcm_substream_t *substream, int push)
+static void snd_pcm_undo_pause(struct snd_pcm_substream *substream, int push)
{
if (substream->runtime->trigger_master == substream)
substream->ops->trigger(substream,
@@ -967,14 +984,16 @@ static void snd_pcm_undo_pause(snd_pcm_substream_t *substream, int push)
SNDRV_PCM_TRIGGER_PAUSE_PUSH);
}
-static void snd_pcm_post_pause(snd_pcm_substream_t *substream, int push)
+static void snd_pcm_post_pause(struct snd_pcm_substream *substream, int push)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
if (push) {
runtime->status->state = SNDRV_PCM_STATE_PAUSED;
if (substream->timer)
- snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MPAUSE, &runtime->trigger_tstamp);
+ snd_timer_notify(substream->timer,
+ SNDRV_TIMER_EVENT_MPAUSE,
+ &runtime->trigger_tstamp);
snd_pcm_tick_set(substream, 0);
wake_up(&runtime->sleep);
} else {
@@ -982,7 +1001,9 @@ static void snd_pcm_post_pause(snd_pcm_substream_t *substream, int push)
if (runtime->sleep_min)
snd_pcm_tick_prepare(substream);
if (substream->timer)
- snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MCONTINUE, &runtime->trigger_tstamp);
+ snd_timer_notify(substream->timer,
+ SNDRV_TIMER_EVENT_MCONTINUE,
+ &runtime->trigger_tstamp);
}
}
@@ -996,7 +1017,7 @@ static struct action_ops snd_pcm_action_pause = {
/*
* Push/release the pause for all linked streams.
*/
-static int snd_pcm_pause(snd_pcm_substream_t *substream, int push)
+static int snd_pcm_pause(struct snd_pcm_substream *substream, int push)
{
return snd_pcm_action(&snd_pcm_action_pause, substream, push);
}
@@ -1004,18 +1025,18 @@ static int snd_pcm_pause(snd_pcm_substream_t *substream, int push)
#ifdef CONFIG_PM
/* suspend */
-static int snd_pcm_pre_suspend(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_pre_suspend(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
return -EBUSY;
runtime->trigger_master = substream;
return 0;
}
-static int snd_pcm_do_suspend(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_do_suspend(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->trigger_master != substream)
return 0;
if (! snd_pcm_running(substream))
@@ -1024,12 +1045,13 @@ static int snd_pcm_do_suspend(snd_pcm_substream_t *substream, int state)
return 0; /* suspend unconditionally */
}
-static void snd_pcm_post_suspend(snd_pcm_substream_t *substream, int state)
+static void snd_pcm_post_suspend(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
if (substream->timer)
- snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSUSPEND, &runtime->trigger_tstamp);
+ snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSUSPEND,
+ &runtime->trigger_tstamp);
runtime->status->suspended_state = runtime->status->state;
runtime->status->state = SNDRV_PCM_STATE_SUSPENDED;
snd_pcm_tick_set(substream, 0);
@@ -1049,11 +1071,14 @@ static struct action_ops snd_pcm_action_suspend = {
* Trigger SUSPEND to all linked streams.
* After this call, all streams are changed to SUSPENDED state.
*/
-int snd_pcm_suspend(snd_pcm_substream_t *substream)
+int snd_pcm_suspend(struct snd_pcm_substream *substream)
{
int err;
unsigned long flags;
+ if (! substream)
+ return 0;
+
snd_pcm_stream_lock_irqsave(substream, flags);
err = snd_pcm_action(&snd_pcm_action_suspend, substream, 0);
snd_pcm_stream_unlock_irqrestore(substream, flags);
@@ -1067,13 +1092,17 @@ int snd_pcm_suspend(snd_pcm_substream_t *substream)
* Trigger SUSPEND to all substreams in the given pcm.
* After this call, all streams are changed to SUSPENDED state.
*/
-int snd_pcm_suspend_all(snd_pcm_t *pcm)
+int snd_pcm_suspend_all(struct snd_pcm *pcm)
{
- snd_pcm_substream_t *substream;
+ struct snd_pcm_substream *substream;
int stream, err = 0;
+ if (! pcm)
+ return 0;
+
for (stream = 0; stream < 2; stream++) {
- for (substream = pcm->streams[stream].substream; substream; substream = substream->next) {
+ for (substream = pcm->streams[stream].substream;
+ substream; substream = substream->next) {
/* FIXME: the open/close code should lock this as well */
if (substream->runtime == NULL)
continue;
@@ -1087,18 +1116,18 @@ int snd_pcm_suspend_all(snd_pcm_t *pcm)
/* resume */
-static int snd_pcm_pre_resume(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_pre_resume(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (!(runtime->info & SNDRV_PCM_INFO_RESUME))
return -ENOSYS;
runtime->trigger_master = substream;
return 0;
}
-static int snd_pcm_do_resume(snd_pcm_substream_t *substream, int state)
+static int snd_pcm_do_resume(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->trigger_master != substream)
return 0;
/* DMA not running previously? */
@@ -1109,19 +1138,20 @@ static int snd_pcm_do_resume(snd_pcm_substream_t *substream, int state)
return substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_RESUME);
}
-static void snd_pcm_undo_resume(snd_pcm_substream_t *substream, int state)
+static void snd_pcm_undo_resume(struct snd_pcm_substream *substream, int state)
{
if (substream->runtime->trigger_master == substream &&
snd_pcm_running(substream))
substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_SUSPEND);
}
-static void snd_pcm_post_resume(snd_pcm_substream_t *substream, int state)
+static void snd_pcm_post_resume(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
if (substream->timer)
- snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MRESUME, &runtime->trigger_tstamp);
+ snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MRESUME,
+ &runtime->trigger_tstamp);
runtime->status->state = runtime->status->suspended_state;
if (runtime->sleep_min)
snd_pcm_tick_prepare(substream);
@@ -1134,9 +1164,9 @@ static struct action_ops snd_pcm_action_resume = {
.post_action = snd_pcm_post_resume
};
-static int snd_pcm_resume(snd_pcm_substream_t *substream)
+static int snd_pcm_resume(struct snd_pcm_substream *substream)
{
- snd_card_t *card = substream->pcm->card;
+ struct snd_card *card = substream->pcm->card;
int res;
snd_power_lock(card);
@@ -1148,7 +1178,7 @@ static int snd_pcm_resume(snd_pcm_substream_t *substream)
#else
-static int snd_pcm_resume(snd_pcm_substream_t *substream)
+static int snd_pcm_resume(struct snd_pcm_substream *substream)
{
return -ENOSYS;
}
@@ -1160,10 +1190,10 @@ static int snd_pcm_resume(snd_pcm_substream_t *substream)
*
* Change the RUNNING stream(s) to XRUN state.
*/
-static int snd_pcm_xrun(snd_pcm_substream_t *substream)
+static int snd_pcm_xrun(struct snd_pcm_substream *substream)
{
- snd_card_t *card = substream->pcm->card;
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_card *card = substream->pcm->card;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int result;
snd_power_lock(card);
@@ -1193,9 +1223,9 @@ static int snd_pcm_xrun(snd_pcm_substream_t *substream)
/*
* reset ioctl
*/
-static int snd_pcm_pre_reset(snd_pcm_substream_t * substream, int state)
+static int snd_pcm_pre_reset(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
switch (runtime->status->state) {
case SNDRV_PCM_STATE_RUNNING:
case SNDRV_PCM_STATE_PREPARED:
@@ -1207,23 +1237,24 @@ static int snd_pcm_pre_reset(snd_pcm_substream_t * substream, int state)
}
}
-static int snd_pcm_do_reset(snd_pcm_substream_t * substream, int state)
+static int snd_pcm_do_reset(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int err = substream->ops->ioctl(substream, SNDRV_PCM_IOCTL1_RESET, NULL);
if (err < 0)
return err;
// snd_assert(runtime->status->hw_ptr < runtime->buffer_size, );
runtime->hw_ptr_base = 0;
- runtime->hw_ptr_interrupt = runtime->status->hw_ptr - runtime->status->hw_ptr % runtime->period_size;
+ runtime->hw_ptr_interrupt = runtime->status->hw_ptr -
+ runtime->status->hw_ptr % runtime->period_size;
runtime->silence_start = runtime->status->hw_ptr;
runtime->silence_filled = 0;
return 0;
}
-static void snd_pcm_post_reset(snd_pcm_substream_t * substream, int state)
+static void snd_pcm_post_reset(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
runtime->control->appl_ptr = runtime->status->hw_ptr;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
runtime->silence_size > 0)
@@ -1236,7 +1267,7 @@ static struct action_ops snd_pcm_action_reset = {
.post_action = snd_pcm_post_reset
};
-static int snd_pcm_reset(snd_pcm_substream_t *substream)
+static int snd_pcm_reset(struct snd_pcm_substream *substream)
{
return snd_pcm_action_nonatomic(&snd_pcm_action_reset, substream, 0);
}
@@ -1244,9 +1275,9 @@ static int snd_pcm_reset(snd_pcm_substream_t *substream)
/*
* prepare ioctl
*/
-static int snd_pcm_pre_prepare(snd_pcm_substream_t * substream, int state)
+static int snd_pcm_pre_prepare(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
if (snd_pcm_running(substream))
@@ -1254,7 +1285,7 @@ static int snd_pcm_pre_prepare(snd_pcm_substream_t * substream, int state)
return 0;
}
-static int snd_pcm_do_prepare(snd_pcm_substream_t * substream, int state)
+static int snd_pcm_do_prepare(struct snd_pcm_substream *substream, int state)
{
int err;
err = substream->ops->prepare(substream);
@@ -1263,9 +1294,9 @@ static int snd_pcm_do_prepare(snd_pcm_substream_t * substream, int state)
return snd_pcm_do_reset(substream, 0);
}
-static void snd_pcm_post_prepare(snd_pcm_substream_t * substream, int state)
+static void snd_pcm_post_prepare(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
runtime->control->appl_ptr = runtime->status->hw_ptr;
runtime->status->state = SNDRV_PCM_STATE_PREPARED;
}
@@ -1282,10 +1313,10 @@ static struct action_ops snd_pcm_action_prepare = {
*
* Prepare the PCM substream to be triggerable.
*/
-int snd_pcm_prepare(snd_pcm_substream_t *substream)
+int snd_pcm_prepare(struct snd_pcm_substream *substream)
{
int res;
- snd_card_t *card = substream->pcm->card;
+ struct snd_card *card = substream->pcm->card;
snd_power_lock(card);
if ((res = snd_power_wait(card, SNDRV_CTL_POWER_D0, substream->ffile)) >= 0)
@@ -1298,7 +1329,7 @@ int snd_pcm_prepare(snd_pcm_substream_t *substream)
* drain ioctl
*/
-static int snd_pcm_pre_drain_init(snd_pcm_substream_t * substream, int state)
+static int snd_pcm_pre_drain_init(struct snd_pcm_substream *substream, int state)
{
if (substream->ffile->f_flags & O_NONBLOCK)
return -EAGAIN;
@@ -1306,9 +1337,9 @@ static int snd_pcm_pre_drain_init(snd_pcm_substream_t * substream, int state)
return 0;
}
-static int snd_pcm_do_drain_init(snd_pcm_substream_t * substream, int state)
+static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream, int state)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
switch (runtime->status->state) {
case SNDRV_PCM_STATE_PREPARED:
@@ -1336,7 +1367,7 @@ static int snd_pcm_do_drain_init(snd_pcm_substream_t * substream, int state)
return 0;
}
-static void snd_pcm_post_drain_init(snd_pcm_substream_t * substream, int state)
+static void snd_pcm_post_drain_init(struct snd_pcm_substream *substream, int state)
{
}
@@ -1347,12 +1378,12 @@ static struct action_ops snd_pcm_action_drain_init = {
};
struct drain_rec {
- snd_pcm_substream_t *substream;
+ struct snd_pcm_substream *substream;
wait_queue_t wait;
snd_pcm_uframes_t stop_threshold;
};
-static int snd_pcm_drop(snd_pcm_substream_t *substream);
+static int snd_pcm_drop(struct snd_pcm_substream *substream);
/*
* Drain the stream(s).
@@ -1361,10 +1392,10 @@ static int snd_pcm_drop(snd_pcm_substream_t *substream);
* After this call, all streams are supposed to be either SETUP or DRAINING
* (capture only) state.
*/
-static int snd_pcm_drain(snd_pcm_substream_t *substream)
+static int snd_pcm_drain(struct snd_pcm_substream *substream)
{
- snd_card_t *card;
- snd_pcm_runtime_t *runtime;
+ struct snd_card *card;
+ struct snd_pcm_runtime *runtime;
struct list_head *pos;
int result = 0;
int i, num_drecs;
@@ -1401,7 +1432,7 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
/* count only playback streams */
num_drecs = 0;
snd_pcm_group_for_each(pos, substream) {
- snd_pcm_substream_t *s = snd_pcm_group_substream_entry(pos);
+ struct snd_pcm_substream *s = snd_pcm_group_substream_entry(pos);
runtime = s->runtime;
if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
d = &drec[num_drecs++];
@@ -1487,10 +1518,10 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
*
* Immediately put all linked substreams into SETUP state.
*/
-static int snd_pcm_drop(snd_pcm_substream_t *substream)
+static int snd_pcm_drop(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime;
- snd_card_t *card;
+ struct snd_pcm_runtime *runtime;
+ struct snd_card *card;
int result = 0;
snd_assert(substream != NULL, return -ENXIO);
@@ -1526,7 +1557,8 @@ static struct file *snd_pcm_file_fd(int fd)
{
struct file *file;
struct inode *inode;
- unsigned short minor;
+ unsigned int minor;
+
file = fget(fd);
if (!file)
return NULL;
@@ -1537,8 +1569,8 @@ static struct file *snd_pcm_file_fd(int fd)
return NULL;
}
minor = iminor(inode);
- if (minor >= 256 ||
- minor % SNDRV_MINOR_DEVICES < SNDRV_MINOR_PCM_PLAYBACK) {
+ if (!snd_lookup_minor_data(minor, SNDRV_DEVICE_TYPE_PCM_PLAYBACK) &&
+ !snd_lookup_minor_data(minor, SNDRV_DEVICE_TYPE_PCM_CAPTURE)) {
fput(file);
return NULL;
}
@@ -1548,12 +1580,12 @@ static struct file *snd_pcm_file_fd(int fd)
/*
* PCM link handling
*/
-static int snd_pcm_link(snd_pcm_substream_t *substream, int fd)
+static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
{
int res = 0;
struct file *file;
- snd_pcm_file_t *pcm_file;
- snd_pcm_substream_t *substream1;
+ struct snd_pcm_file *pcm_file;
+ struct snd_pcm_substream *substream1;
file = snd_pcm_file_fd(fd);
if (!file)
@@ -1572,7 +1604,7 @@ static int snd_pcm_link(snd_pcm_substream_t *substream, int fd)
goto _end;
}
if (!snd_pcm_stream_linked(substream)) {
- substream->group = kmalloc(sizeof(snd_pcm_group_t), GFP_ATOMIC);
+ substream->group = kmalloc(sizeof(struct snd_pcm_group), GFP_ATOMIC);
if (substream->group == NULL) {
res = -ENOMEM;
goto _end;
@@ -1592,14 +1624,14 @@ static int snd_pcm_link(snd_pcm_substream_t *substream, int fd)
return res;
}
-static void relink_to_local(snd_pcm_substream_t *substream)
+static void relink_to_local(struct snd_pcm_substream *substream)
{
substream->group = &substream->self_group;
INIT_LIST_HEAD(&substream->self_group.substreams);
list_add_tail(&substream->link_list, &substream->self_group.substreams);
}
-static int snd_pcm_unlink(snd_pcm_substream_t *substream)
+static int snd_pcm_unlink(struct snd_pcm_substream *substream)
{
struct list_head *pos;
int res = 0;
@@ -1629,51 +1661,51 @@ static int snd_pcm_unlink(snd_pcm_substream_t *substream)
/*
* hw configurator
*/
-static int snd_pcm_hw_rule_mul(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_mul(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_interval_t t;
+ struct snd_interval t;
snd_interval_mul(hw_param_interval_c(params, rule->deps[0]),
hw_param_interval_c(params, rule->deps[1]), &t);
return snd_interval_refine(hw_param_interval(params, rule->var), &t);
}
-static int snd_pcm_hw_rule_div(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_div(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_interval_t t;
+ struct snd_interval t;
snd_interval_div(hw_param_interval_c(params, rule->deps[0]),
hw_param_interval_c(params, rule->deps[1]), &t);
return snd_interval_refine(hw_param_interval(params, rule->var), &t);
}
-static int snd_pcm_hw_rule_muldivk(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_muldivk(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_interval_t t;
+ struct snd_interval t;
snd_interval_muldivk(hw_param_interval_c(params, rule->deps[0]),
hw_param_interval_c(params, rule->deps[1]),
(unsigned long) rule->private, &t);
return snd_interval_refine(hw_param_interval(params, rule->var), &t);
}
-static int snd_pcm_hw_rule_mulkdiv(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_mulkdiv(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_interval_t t;
+ struct snd_interval t;
snd_interval_mulkdiv(hw_param_interval_c(params, rule->deps[0]),
(unsigned long) rule->private,
hw_param_interval_c(params, rule->deps[1]), &t);
return snd_interval_refine(hw_param_interval(params, rule->var), &t);
}
-static int snd_pcm_hw_rule_format(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_format(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
unsigned int k;
- snd_interval_t *i = hw_param_interval(params, rule->deps[0]);
- snd_mask_t m;
- snd_mask_t *mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+ struct snd_interval *i = hw_param_interval(params, rule->deps[0]);
+ struct snd_mask m;
+ struct snd_mask *mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
snd_mask_any(&m);
for (k = 0; k <= SNDRV_PCM_FORMAT_LAST; ++k) {
int bits;
@@ -1688,10 +1720,10 @@ static int snd_pcm_hw_rule_format(snd_pcm_hw_params_t *params,
return snd_mask_refine(mask, &m);
}
-static int snd_pcm_hw_rule_sample_bits(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_sample_bits(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_interval_t t;
+ struct snd_interval t;
unsigned int k;
t.min = UINT_MAX;
t.max = 0;
@@ -1720,19 +1752,19 @@ static int snd_pcm_hw_rule_sample_bits(snd_pcm_hw_params_t *params,
static unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050, 32000, 44100,
48000, 64000, 88200, 96000, 176400, 192000 };
-static int snd_pcm_hw_rule_rate(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_rate(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_pcm_hardware_t *hw = rule->private;
+ struct snd_pcm_hardware *hw = rule->private;
return snd_interval_list(hw_param_interval(params, rule->var),
ARRAY_SIZE(rates), rates, hw->rates);