Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / sound / core / pcm_native.c
index cad9bbd..0860c5a 100644 (file)
  *  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;
 }
 
-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 @@ 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;
@@ -565,9 +575,9 @@ int snd_pcm_status(snd_pcm_substream_t *substream,
                if (runtime->tstamp_mode & SNDRV_PCM_TSTAMP_MMAP)
                        status->tstamp = runtime->status->tstamp;
                else
-                       snd_timestamp_now(&status->tstamp, runtime->tstamp_timespec);
+                       getnstimeofday(&status->tstamp);
        } else
-               snd_timestamp_now(&status->tstamp, runtime->tstamp_timespec);
+               getnstimeofday(&status->tstamp);
        status->appl_ptr = runtime->control->appl_ptr;
        status->hw_ptr = runtime->status->hw_ptr;
        if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -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)))
@@ -646,13 +659,13 @@ 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) {
-               snd_timestamp_now(&runtime->trigger_tstamp, runtime->tstamp_timespec);
+               getnstimeofday(&runtime->trigger_tstamp);
        } else {
                snd_pcm_trigger_tstamp(runtime->trigger_master);
                runtime->trigger_tstamp = runtime->trigger_master->runtime->trigger_tstamp;
@@ -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 = {
@@ -859,27 +873,29 @@ static struct action_ops snd_pcm_action_start = {
 
 /**
  * snd_pcm_start
+ * @substream: the PCM substream instance
  *
  * 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))
@@ -887,13 +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);
        }
@@ -908,33 +925,37 @@ static struct action_ops snd_pcm_action_stop = {
 
 /**
  * snd_pcm_stop
+ * @substream: the PCM substream instance
+ * @state: PCM state after stopping the stream
  *
  * 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);
 }
 
 /**
  * snd_pcm_drain_done
+ * @substream: the PCM substream
  *
  * Stop the DMA only when the given stream is playback.
  * 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) {
@@ -946,7 +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;
@@ -955,7 +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,
@@ -963,14 +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 {
@@ -978,7 +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);
        }
 }
 
@@ -992,7 +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);
 }
@@ -1000,18 +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))
@@ -1020,12 +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_MPAUSE, &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);
@@ -1040,15 +1066,19 @@ static struct action_ops snd_pcm_action_suspend = {
 
 /**
  * snd_pcm_suspend
+ * @substream: the PCM substream
  *
  * 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);
@@ -1057,17 +1087,22 @@ int snd_pcm_suspend(snd_pcm_substream_t *substream)
 
 /**
  * snd_pcm_suspend_all
+ * @pcm: the PCM instance
  *
  * 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;
@@ -1081,18 +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? */
@@ -1103,19 +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_MCONTINUE, &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);
@@ -1128,13 +1164,13 @@ 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);
-       if ((res = snd_power_wait(card, SNDRV_CTL_POWER_D0, substream->ffile)) >= 0)
+       if ((res = snd_power_wait(card, SNDRV_CTL_POWER_D0)) >= 0)
                res = snd_pcm_action_lock_irq(&snd_pcm_action_resume, substream, 0);
        snd_power_unlock(card);
        return res;
@@ -1142,7 +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;
 }
@@ -1154,15 +1190,15 @@ 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);
        if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
-               result = snd_power_wait(card, SNDRV_CTL_POWER_D0, substream->ffile);
+               result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
                if (result < 0)
                        goto _unlock;
        }
@@ -1187,9 +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:
@@ -1201,23 +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)
@@ -1230,7 +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);
 }
@@ -1238,9 +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))
@@ -1248,7 +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);
@@ -1257,9 +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;
 }
@@ -1272,14 +1309,17 @@ static struct action_ops snd_pcm_action_prepare = {
 
 /**
  * snd_pcm_prepare
+ * @substream: the PCM substream instance
+ *
+ * Prepare the PCM substream to be triggerable.
  */
-int snd_pcm_prepare(snd_pcm_substream_t *substream)
+static 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)
+       if ((res = snd_power_wait(card, SNDRV_CTL_POWER_D0)) >= 0)
                res = snd_pcm_action_nonatomic(&snd_pcm_action_prepare, substream, 0);
        snd_power_unlock(card);
        return res;
@@ -1289,7 +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;
@@ -1297,9 +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:
@@ -1327,7 +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)
 {
 }
 
@@ -1338,12 +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).
@@ -1352,10 +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;
@@ -1368,43 +1408,32 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
        if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
                return -EBADFD;
 
-       down_read(&snd_pcm_link_rwsem);
        snd_power_lock(card);
        if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
-               result = snd_power_wait(card, SNDRV_CTL_POWER_D0, substream->ffile);
-               if (result < 0)
-                       goto _unlock;
+               result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
+               if (result < 0) {
+                       snd_power_unlock(card);
+                       return result;
+               }
        }
 
        /* allocate temporary record for drain sync */
+       down_read(&snd_pcm_link_rwsem);
        if (snd_pcm_stream_linked(substream)) {
                drec = kmalloc(substream->group->count * sizeof(*drec), GFP_KERNEL);
                if (! drec) {
-                       result = -ENOMEM;
-                       goto _unlock;
+                       up_read(&snd_pcm_link_rwsem);
+                       snd_power_unlock(card);
+                       return -ENOMEM;
                }
        } else
                drec = &drec_tmp;
 
-       snd_pcm_stream_lock_irq(substream);
-       /* resume pause */
-       if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
-               snd_pcm_pause(substream, 0);
-
-       /* pre-start/stop - all running streams are changed to DRAINING state */
-       result = snd_pcm_action(&snd_pcm_action_drain_init, substream, 0);
-       if (result < 0)
-               goto _end;
-
-       /* check streams with PLAYBACK & DRAINING */
+       /* 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 (runtime->status->state != SNDRV_PCM_STATE_DRAINING) {
-                       runtime->status->state = SNDRV_PCM_STATE_SETUP;
-                       continue;
-               }
                if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                        d = &drec[num_drecs++];
                        d->substream = s;
@@ -1418,9 +1447,21 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
                                runtime->stop_threshold = runtime->buffer_size;
                }
        }
-
+       up_read(&snd_pcm_link_rwsem);
        if (! num_drecs)
-               goto _end;
+               goto _error;
+
+       snd_pcm_stream_lock_irq(substream);
+       /* resume pause */
+       if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
+               snd_pcm_pause(substream, 0);
+
+       /* pre-start/stop - all running streams are changed to DRAINING state */
+       result = snd_pcm_action(&snd_pcm_action_drain_init, substream, 0);
+       if (result < 0) {
+               snd_pcm_stream_unlock_irq(substream);
+               goto _error;
+       }
 
        for (;;) {
                long tout;
@@ -1428,6 +1469,15 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
                        result = -ERESTARTSYS;
                        break;
                }
+               /* all finished? */
+               for (i = 0; i < num_drecs; i++) {
+                       runtime = drec[i].substream->runtime;
+                       if (runtime->status->state == SNDRV_PCM_STATE_DRAINING)
+                               break;
+               }
+               if (i == num_drecs)
+                       break; /* yes, all drained */
+
                set_current_state(TASK_INTERRUPTIBLE);
                snd_pcm_stream_unlock_irq(substream);
                snd_power_unlock(card);
@@ -1444,15 +1494,11 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
                        }
                        break;
                }
-               /* all finished? */
-               for (i = 0; i < num_drecs; i++) {
-                       runtime = drec[i].substream->runtime;
-                       if (runtime->status->state == SNDRV_PCM_STATE_DRAINING)
-                               break;
-               }
-               if (i == num_drecs)
-                       break;
        }
+
+       snd_pcm_stream_unlock_irq(substream);
+
+ _error:
        for (i = 0; i < num_drecs; i++) {
                d = &drec[i];
                runtime = d->substream->runtime;
@@ -1460,13 +1506,9 @@ static int snd_pcm_drain(snd_pcm_substream_t *substream)
                runtime->stop_threshold = d->stop_threshold;
        }
 
- _end:
-       snd_pcm_stream_unlock_irq(substream);
        if (drec != &drec_tmp)
                kfree(drec);
- _unlock:
        snd_power_unlock(card);
-       up_read(&snd_pcm_link_rwsem);
 
        return result;
 }
@@ -1476,10 +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);
@@ -1491,7 +1533,7 @@ static int snd_pcm_drop(snd_pcm_substream_t *substream)
 
        snd_power_lock(card);
        if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
-               result = snd_power_wait(card, SNDRV_CTL_POWER_D0, substream->ffile);
+               result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
                if (result < 0)
                        goto _unlock;
        }
@@ -1511,12 +1553,12 @@ static int snd_pcm_drop(snd_pcm_substream_t *substream)
 
 
 /* WARNING: Don't forget to fput back the file */
-extern int snd_major;
 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;
@@ -1527,8 +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;
        }
@@ -1538,12 +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)
@@ -1562,7 +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;
@@ -1582,14 +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;
@@ -1619,51 +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;
@@ -1678,10 +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;
@@ -1710,19 +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);
 }              
 
-static int snd_pcm_hw_rule_buffer_bytes_max(snd_pcm_hw_params_t *params,
-                                           snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_buffer_bytes_max(struct snd_pcm_hw_params *params,
+                                           struct snd_pcm_hw_rule *rule)
 {
-       snd_interval_t t;
-       snd_pcm_substream_t *substream = rule->private;
+       struct snd_interval t;
+       struct snd_pcm_substream *substream = rule->private;
        t.min = 0;
        t.max = substream->buffer_bytes_max;
        t.openmin = 0;
@@ -1731,10 +1773,10 @@ static int snd_pcm_hw_rule_buffer_bytes_max(snd_pcm_hw_params_t *params,
        return snd_interval_refine(hw_param_interval(params, rule->var), &t);
 }              
 
-int snd_pcm_hw_constraints_init(snd_pcm_substream_t *substream)
+int snd_pcm_hw_constraints_init(struct snd_pcm_substream *substream)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
-       snd_pcm_hw_constraints_t *constrs = &runtime->hw_constraints;
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct snd_pcm_hw_constraints *constrs = &runtime->hw_constraints;
        int k, err;
 
        for (k = SNDRV_PCM_HW_PARAM_FIRST_MASK; k <= SNDRV_PCM_HW_PARAM_LAST_MASK; k++) {
@@ -1855,10 +1897,10 @@ int snd_pcm_hw_constraints_init(snd_pcm_substream_t *substream)
        return 0;
 }
 
-int snd_pcm_hw_constraints_complete(snd_pcm_substream_t *substream)
+int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
-       snd_pcm_hardware_t *hw = &runtime->hw;
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct snd_pcm_hardware *hw = &runtime->hw;
        int err;
        unsigned int mask = 0;
 
@@ -1931,17 +1973,17 @@ int snd_pcm_hw_constraints_complete(snd_pcm_substream_t *substream)
        return 0;
 }
 
-static void snd_pcm_add_file(snd_pcm_str_t *str,
-                            snd_pcm_file_t *pcm_file)
+static void snd_pcm_add_file(struct snd_pcm_str *str,
+                            struct snd_pcm_file *pcm_file)
 {
        pcm_file->next = str->files;
        str->files = pcm_file;
 }
 
-static void snd_pcm_remove_file(snd_pcm_str_t *str,
-                               snd_pcm_file_t *pcm_file)
+static void snd_pcm_remove_file(struct snd_pcm_str *str,
+                               struct snd_pcm_file *pcm_file)
 {
-       snd_pcm_file_t * pcm_file1;
+       struct snd_pcm_file * pcm_file1;
        if (str->files == pcm_file) {
                str->files = pcm_file->next;
        } else {
@@ -1953,101 +1995,124 @@ static void snd_pcm_remove_file(snd_pcm_str_t *str,
        }
 }
 
-static int snd_pcm_release_file(snd_pcm_file_t * pcm_file)
+static void pcm_release_private(struct snd_pcm_substream *substream)
 {
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
-       snd_pcm_str_t * str;
+       struct snd_pcm_file *pcm_file = substream->file;
 
-       snd_assert(pcm_file != NULL, return -ENXIO);
-       substream = pcm_file->substream;
-       snd_assert(substream != NULL, return -ENXIO);
-       runtime = substream->runtime;
-       str = substream->pstr;
        snd_pcm_unlink(substream);
-       if (substream->open_flag) {
+       snd_pcm_remove_file(substream->pstr, pcm_file);
+       kfree(pcm_file);
+}
+
+void snd_pcm_release_substream(struct snd_pcm_substream *substream)
+{
+       snd_pcm_drop(substream);
+       if (substream->hw_opened) {
                if (substream->ops->hw_free != NULL)
                        substream->ops->hw_free(substream);
                substream->ops->close(substream);
-               substream->open_flag = 0;
+               substream->hw_opened = 0;
        }
-       substream->ffile = NULL;
-       snd_pcm_remove_file(str, pcm_file);
-       snd_pcm_release_substream(substream);
-       kfree(pcm_file);
+       if (substream->pcm_release) {
+               substream->pcm_release(substream);
+               substream->pcm_release = NULL;
+       }
+       snd_pcm_detach_substream(substream);
+}
+
+int snd_pcm_open_substream(struct snd_pcm *pcm, int stream,
+                          struct file *file,
+                          struct snd_pcm_substream **rsubstream)
+{
+       struct snd_pcm_substream *substream;
+       int err;
+
+       err = snd_pcm_attach_substream(pcm, stream, file, &substream);
+       if (err < 0)
+               return err;
+       substream->no_mmap_ctrl = 0;
+       err = snd_pcm_hw_constraints_init(substream);
+       if (err < 0) {
+               snd_printd("snd_pcm_hw_constraints_init failed\n");
+               goto error;
+       }
+
+       if ((err = substream->ops->open(substream)) < 0)
+               goto error;
+
+       substream->hw_opened = 1;
+
+       err = snd_pcm_hw_constraints_complete(substream);
+       if (err < 0) {
+               snd_printd("snd_pcm_hw_constraints_complete failed\n");
+               goto error;
+       }
+
+       *rsubstream = substream;
        return 0;
+
+ error:
+       snd_pcm_release_substream(substream);
+       return err;
 }
 
 static int snd_pcm_open_file(struct file *file,
-                            snd_pcm_t *pcm,
+                            struct snd_pcm *pcm,
                             int stream,
-                            snd_pcm_file_t **rpcm_file)
+                            struct snd_pcm_file **rpcm_file)
 {
-       int err = 0;
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_str_t *str;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_str *str;
+       int err;
 
        snd_assert(rpcm_file != NULL, return -EINVAL);
        *rpcm_file = NULL;
 
-       pcm_file = kcalloc(1, sizeof(*pcm_file), GFP_KERNEL);
+       err = snd_pcm_open_substream(pcm, stream, file, &substream);
+       if (err < 0)
+               return err;
+
+       pcm_file = kzalloc(sizeof(*pcm_file), GFP_KERNEL);
        if (pcm_file == NULL) {
+               snd_pcm_release_substream(substream);
                return -ENOMEM;
        }
-
-       if ((err = snd_pcm_open_substream(pcm, stream, &substream)) < 0) {
-               kfree(pcm_file);
-               return err;
-       }
-
        str = substream->pstr;
        substream->file = pcm_file;
-       substream->no_mmap_ctrl = 0;
-
+       substream->pcm_release = pcm_release_private;
        pcm_file->substream = substream;
-
        snd_pcm_add_file(str, pcm_file);
 
-       err = snd_pcm_hw_constraints_init(substream);
-       if (err < 0) {
-               snd_printd("snd_pcm_hw_constraints_init failed\n");
-               snd_pcm_release_file(pcm_file);
-               return err;
-       }
+       file->private_data = pcm_file;
+       *rpcm_file = pcm_file;
+       return 0;
+}
 
-       if ((err = substream->ops->open(substream)) < 0) {
-               snd_pcm_release_file(pcm_file);
-               return err;
-       }
-       substream->open_flag = 1;
+static int snd_pcm_playback_open(struct inode *inode, struct file *file)
+{
+       struct snd_pcm *pcm;
 
-       err = snd_pcm_hw_constraints_complete(substream);
-       if (err < 0) {
-               snd_printd("snd_pcm_hw_constraints_complete failed\n");
-               substream->ops->close(substream);
-               snd_pcm_release_file(pcm_file);
-               return err;
-       }
+       pcm = snd_lookup_minor_data(iminor(inode),
+                                   SNDRV_DEVICE_TYPE_PCM_PLAYBACK);
+       return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);
+}
 
-       substream->ffile = file;
+static int snd_pcm_capture_open(struct inode *inode, struct file *file)
+{
+       struct snd_pcm *pcm;
 
-       file->private_data = pcm_file;
-       *rpcm_file = pcm_file;
-       return 0;
+       pcm = snd_lookup_minor_data(iminor(inode),
+                                   SNDRV_DEVICE_TYPE_PCM_CAPTURE);
+       return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);
 }
 
-static int snd_pcm_open(struct inode *inode, struct file *file)
+static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
 {
-       int cardnum = SNDRV_MINOR_CARD(iminor(inode));
-       int device = SNDRV_MINOR_DEVICE(iminor(inode));
        int err;
-       snd_pcm_t *pcm;
-       snd_pcm_file_t *pcm_file;
+       struct snd_pcm_file *pcm_file;
        wait_queue_t wait;
 
-       snd_runtime_check(device >= SNDRV_MINOR_PCM_PLAYBACK && device < SNDRV_MINOR_DEVICES, return -ENXIO);
-       pcm = snd_pcm_devices[(cardnum * SNDRV_PCM_DEVICES) + (device % SNDRV_MINOR_PCMS)];
        if (pcm == NULL) {
                err = -ENODEV;
                goto __error1;
@@ -2061,9 +2126,9 @@ static int snd_pcm_open(struct inode *inode, struct file *file)
        }
        init_waitqueue_entry(&wait, current);
        add_wait_queue(&pcm->open_wait, &wait);
-       down(&pcm->open_mutex);
+       mutex_lock(&pcm->open_mutex);
        while (1) {
-               err = snd_pcm_open_file(file, pcm, device >= SNDRV_MINOR_PCM_CAPTURE ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK, &pcm_file);
+               err = snd_pcm_open_file(file, pcm, stream, &pcm_file);
                if (err >= 0)
                        break;
                if (err == -EAGAIN) {
@@ -2074,16 +2139,16 @@ static int snd_pcm_open(struct inode *inode, struct file *file)
                } else
                        break;
                set_current_state(TASK_INTERRUPTIBLE);
-               up(&pcm->open_mutex);
+               mutex_unlock(&pcm->open_mutex);
                schedule();
-               down(&pcm->open_mutex);
+               mutex_lock(&pcm->open_mutex);
                if (signal_pending(current)) {
                        err = -ERESTARTSYS;
                        break;
                }
        }
        remove_wait_queue(&pcm->open_wait, &wait);
-       up(&pcm->open_mutex);
+       mutex_unlock(&pcm->open_mutex);
        if (err < 0)
                goto __error;
        return err;
@@ -2098,29 +2163,29 @@ static int snd_pcm_open(struct inode *inode, struct file *file)
 
 static int snd_pcm_release(struct inode *inode, struct file *file)
 {
-       snd_pcm_t *pcm;
-       snd_pcm_substream_t *substream;
-       snd_pcm_file_t *pcm_file;
+       struct snd_pcm *pcm;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_file *pcm_file;
 
        pcm_file = file->private_data;
        substream = pcm_file->substream;
        snd_assert(substream != NULL, return -ENXIO);
        snd_assert(!atomic_read(&substream->runtime->mmap_count), );
        pcm = substream->pcm;
-       snd_pcm_drop(substream);
        fasync_helper(-1, file, 0, &substream->runtime->fasync);
-       down(&pcm->open_mutex);
-       snd_pcm_release_file(pcm_file);
-       up(&pcm->open_mutex);
+       mutex_lock(&pcm->open_mutex);
+       snd_pcm_release_substream(substream);
+       mutex_unlock(&pcm->open_mutex);
        wake_up(&pcm->open_wait);
        module_put(pcm->card->module);
        snd_card_file_remove(pcm->card, file);
        return 0;
 }
 
-static snd_pcm_sframes_t snd_pcm_playback_rewind(snd_pcm_substream_t *substream, snd_pcm_uframes_t frames)
+static snd_pcm_sframes_t snd_pcm_playback_rewind(struct snd_pcm_substream *substream,
+                                                snd_pcm_uframes_t frames)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
+       struct snd_pcm_runtime *runtime = substream->runtime;
        snd_pcm_sframes_t appl_ptr;
        snd_pcm_sframes_t ret;
        snd_pcm_sframes_t hw_avail;
@@ -2167,9 +2232,10 @@ static snd_pcm_sframes_t snd_pcm_playback_rewind(snd_pcm_substream_t *substream,
        return ret;
 }
 
-static snd_pcm_sframes_t snd_pcm_capture_rewind(snd_pcm_substream_t *substream, snd_pcm_uframes_t frames)
+static snd_pcm_sframes_t snd_pcm_capture_rewind(struct snd_pcm_substream *substream,
+                                               snd_pcm_uframes_t frames)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
+       struct snd_pcm_runtime *runtime = substream->runtime;
        snd_pcm_sframes_t appl_ptr;
        snd_pcm_sframes_t ret;
        snd_pcm_sframes_t hw_avail;
@@ -2216,9 +2282,10 @@ static snd_pcm_sframes_t snd_pcm_capture_rewind(snd_pcm_substream_t *substream,
        return ret;
 }
 
-static snd_pcm_sframes_t snd_pcm_playback_forward(snd_pcm_substream_t *substream, snd_pcm_uframes_t frames)
+static snd_pcm_sframes_t snd_pcm_playback_forward(struct snd_pcm_substream *substream,
+                                                 snd_pcm_uframes_t frames)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
+       struct snd_pcm_runtime *runtime = substream->runtime;
        snd_pcm_sframes_t appl_ptr;
        snd_pcm_sframes_t ret;
        snd_pcm_sframes_t avail;
@@ -2266,9 +2333,10 @@ static snd_pcm_sframes_t snd_pcm_playback_forward(snd_pcm_substream_t *substream
        return ret;
 }
 
-static snd_pcm_sframes_t snd_pcm_capture_forward(snd_pcm_substream_t *substream, snd_pcm_uframes_t frames)
+static snd_pcm_sframes_t snd_pcm_capture_forward(struct snd_pcm_substream *substream,
+                                                snd_pcm_uframes_t frames)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
+       struct snd_pcm_runtime *runtime = substream->runtime;
        snd_pcm_sframes_t appl_ptr;
        snd_pcm_sframes_t ret;
        snd_pcm_sframes_t avail;
@@ -2316,9 +2384,9 @@ static snd_pcm_sframes_t snd_pcm_capture_forward(snd_pcm_substream_t *substream,
        return ret;
 }
 
-static int snd_pcm_hwsync(snd_pcm_substream_t *substream)
+static int snd_pcm_hwsync(struct snd_pcm_substream *substream)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
+       struct snd_pcm_runtime *runtime = substream->runtime;
        int err;
 
        snd_pcm_stream_lock_irq(substream);
@@ -2346,9 +2414,10 @@ static int snd_pcm_hwsync(snd_pcm_substream_t *substream)
        return err;
 }
                
-static int snd_pcm_delay(snd_pcm_substream_t *substream, snd_pcm_sframes_t __user *res)
+static int snd_pcm_delay(struct snd_pcm_substream *substream,
+                        snd_pcm_sframes_t __user *res)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
+       struct snd_pcm_runtime *runtime = substream->runtime;
        int err;
        snd_pcm_sframes_t n = 0;
 
@@ -2384,18 +2453,19 @@ static int snd_pcm_delay(snd_pcm_substream_t *substream, snd_pcm_sframes_t __use
        return err;
 }
                
-static int snd_pcm_sync_ptr(snd_pcm_substream_t *substream, struct sndrv_pcm_sync_ptr __user *_sync_ptr)
+static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream,
+                           struct snd_pcm_sync_ptr __user *_sync_ptr)
 {
-       snd_pcm_runtime_t *runtime = substream->runtime;
-       struct sndrv_pcm_sync_ptr sync_ptr;
-       volatile struct sndrv_pcm_mmap_status *status;
-       volatile struct sndrv_pcm_mmap_control *control;
+       struct snd_pcm_runtime *runtime = substream->runtime;
+       struct snd_pcm_sync_ptr sync_ptr;
+       volatile struct snd_pcm_mmap_status *status;
+       volatile struct snd_pcm_mmap_control *control;
        int err;
 
        memset(&sync_ptr, 0, sizeof(sync_ptr));
        if (get_user(sync_ptr.flags, (unsigned __user *)&(_sync_ptr->flags)))
                return -EFAULT;
-       if (copy_from_user(&sync_ptr.c.control, &(_sync_ptr->c.control), sizeof(struct sndrv_pcm_mmap_control)))
+       if (copy_from_user(&sync_ptr.c.control, &(_sync_ptr->c.control), sizeof(struct snd_pcm_mmap_control)))
                return -EFAULT; 
        status = runtime->status;
        control = runtime->control;
@@ -2423,12 +2493,7 @@ static int snd_pcm_sync_ptr(snd_pcm_substream_t *substream, struct sndrv_pcm_syn
        return 0;
 }
                
-static int snd_pcm_playback_ioctl1(snd_pcm_substream_t *substream,
-                                  unsigned int cmd, void __user *arg);
-static int snd_pcm_capture_ioctl1(snd_pcm_substream_t *substream,
-                                 unsigned int cmd, void __user *arg);
-
-static int snd_pcm_common_ioctl1(snd_pcm_substream_t *substream,
+static int snd_pcm_common_ioctl1(struct snd_pcm_substream *substream,
                                 unsigned int cmd, void __user *arg)
 {
        snd_assert(substream != NULL, return -ENXIO);
@@ -2438,14 +2503,8 @@ static int snd_pcm_common_ioctl1(snd_pcm_substream_t *substream,
                return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0;
        case SNDRV_PCM_IOCTL_INFO:
                return snd_pcm_info_user(substream, arg);
-       case SNDRV_PCM_IOCTL_TSTAMP:
-       {
-               int xarg;
-               if (get_user(xarg, (int __user *)arg))
-                       return -EFAULT;
-               substream->runtime->tstamp_timespec = xarg ? 1 : 0;
+       case SNDRV_PCM_IOCTL_TSTAMP: /* just for compatibility */
                return 0;
-       }
        case SNDRV_PCM_IOCTL_HW_REFINE:
                return snd_pcm_hw_refine_user(substream, arg);
        case SNDRV_PCM_IOCTL_HW_PARAMS:
@@ -2478,20 +2537,30 @@ static int snd_pcm_common_ioctl1(snd_pcm_substream_t *substream,
                return snd_pcm_delay(substream, arg);
        case SNDRV_PCM_IOCTL_SYNC_PTR:
                return snd_pcm_sync_ptr(substream, arg);
+#ifdef CONFIG_SND_SUPPORT_OLD_API
        case SNDRV_PCM_IOCTL_HW_REFINE_OLD:
                return snd_pcm_hw_refine_old_user(substream, arg);
        case SNDRV_PCM_IOCTL_HW_PARAMS_OLD:
                return snd_pcm_hw_params_old_user(substream, arg);
+#endif
        case SNDRV_PCM_IOCTL_DRAIN:
                return snd_pcm_drain(substream);
        case SNDRV_PCM_IOCTL_DROP:
                return snd_pcm_drop(substream);
+       case SNDRV_PCM_IOCTL_PAUSE:
+       {
+               int res;
+               snd_pcm_stream_lock_irq(substream);
+               res = snd_pcm_pause(substream, (int)(unsigned long)arg);
+               snd_pcm_stream_unlock_irq(substream);
+               return res;
+       }
        }
        snd_printd("unknown ioctl = 0x%x\n", cmd);
        return -ENOTTY;
 }
 
-static int snd_pcm_playback_ioctl1(snd_pcm_substream_t *substream,
+static int snd_pcm_playback_ioctl1(struct snd_pcm_substream *substream,
                                   unsigned int cmd, void __user *arg)
 {
        snd_assert(substream != NULL, return -ENXIO);
@@ -2499,9 +2568,9 @@ static int snd_pcm_playback_ioctl1(snd_pcm_substream_t *substream,
        switch (cmd) {
        case SNDRV_PCM_IOCTL_WRITEI_FRAMES:
        {
-               snd_xferi_t xferi;
-               snd_xferi_t __user *_xferi = arg;
-               snd_pcm_runtime_t *runtime = substream->runtime;
+               struct snd_xferi xferi;
+               struct snd_xferi __user *_xferi = arg;
+               struct snd_pcm_runtime *runtime = substream->runtime;
                snd_pcm_sframes_t result;
                if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
                        return -EBADFD;
@@ -2515,9 +2584,9 @@ static int snd_pcm_playback_ioctl1(snd_pcm_substream_t *substream,
        }
        case SNDRV_PCM_IOCTL_WRITEN_FRAMES:
        {
-               snd_xfern_t xfern;
-               snd_xfern_t __user *_xfern = arg;
-               snd_pcm_runtime_t *runtime = substream->runtime;
+               struct snd_xfern xfern;
+               struct snd_xfern __user *_xfern = arg;
+               struct snd_pcm_runtime *runtime = substream->runtime;
                void __user **bufs;
                snd_pcm_sframes_t result;
                if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
@@ -2566,19 +2635,11 @@ static int snd_pcm_playback_ioctl1(snd_pcm_substream_t *substream,
                __put_user(result, _frames);
                return result < 0 ? result : 0;
        }
-       case SNDRV_PCM_IOCTL_PAUSE:
-       {
-               int res;
-               snd_pcm_stream_lock_irq(substream);
-               res = snd_pcm_pause(substream, (int)(unsigned long)arg);
-               snd_pcm_stream_unlock_irq(substream);
-               return res;
-       }
        }
        return snd_pcm_common_ioctl1(substream, cmd, arg);
 }
 
-static int snd_pcm_capture_ioctl1(snd_pcm_substream_t *substream,
+static int snd_pcm_capture_ioctl1(struct snd_pcm_substream *substream,
                                  unsigned int cmd, void __user *arg)
 {
        snd_assert(substream != NULL, return -ENXIO);
@@ -2586,9 +2647,9 @@ static int snd_pcm_capture_ioctl1(snd_pcm_substream_t *substream,
        switch (cmd) {
        case SNDRV_PCM_IOCTL_READI_FRAMES:
        {
-               snd_xferi_t xferi;
-               snd_xferi_t __user *_xferi = arg;
-               snd_pcm_runtime_t *runtime = substream->runtime;
+               struct snd_xferi xferi;
+               struct snd_xferi __user *_xferi = arg;
+               struct snd_pcm_runtime *runtime = substream->runtime;
                snd_pcm_sframes_t result;
                if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
                        return -EBADFD;
@@ -2602,9 +2663,9 @@ static int snd_pcm_capture_ioctl1(snd_pcm_substream_t *substream,
        }
        case SNDRV_PCM_IOCTL_READN_FRAMES:
        {
-               snd_xfern_t xfern;
-               snd_xfern_t __user *_xfern = arg;
-               snd_pcm_runtime_t *runtime = substream->runtime;
+               struct snd_xfern xfern;
+               struct snd_xfern __user *_xfern = arg;
+               struct snd_pcm_runtime *runtime = substream->runtime;
                void *bufs;
                snd_pcm_sframes_t result;
                if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
@@ -2657,9 +2718,10 @@ static int snd_pcm_capture_ioctl1(snd_pcm_substream_t *substream,
        return snd_pcm_common_ioctl1(substream, cmd, arg);
 }
 
-static long snd_pcm_playback_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long snd_pcm_playback_ioctl(struct file *file, unsigned int cmd,
+                                  unsigned long arg)
 {
-       snd_pcm_file_t *pcm_file;
+       struct snd_pcm_file *pcm_file;
 
        pcm_file = file->private_data;
 
@@ -2669,9 +2731,10 @@ static long snd_pcm_playback_ioctl(struct file *file, unsigned int cmd, unsigned
        return snd_pcm_playback_ioctl1(pcm_file->substream, cmd, (void __user *)arg);
 }
 
-static long snd_pcm_capture_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long snd_pcm_capture_ioctl(struct file *file, unsigned int cmd,
+                                 unsigned long arg)
 {
-       snd_pcm_file_t *pcm_file;
+       struct snd_pcm_file *pcm_file;
 
        pcm_file = file->private_data;
 
@@ -2681,48 +2744,36 @@ static long snd_pcm_capture_ioctl(struct file *file, unsigned int cmd, unsigned
        return snd_pcm_capture_ioctl1(pcm_file->substream, cmd, (void __user *)arg);
 }
 
-int snd_pcm_kernel_playback_ioctl(snd_pcm_substream_t *substream,
-                                 unsigned int cmd, void *arg)
-{
-       mm_segment_t fs;
-       int result;
-       
-       fs = snd_enter_user();
-       result = snd_pcm_playback_ioctl1(substream, cmd, (void __user *)arg);
-       snd_leave_user(fs);
-       return result;
-}
-
-int snd_pcm_kernel_capture_ioctl(snd_pcm_substream_t *substream,
-                                unsigned int cmd, void *arg)
+int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
+                        unsigned int cmd, void *arg)
 {
        mm_segment_t fs;
        int result;
        
        fs = snd_enter_user();
-       result = snd_pcm_capture_ioctl1(substream, cmd, (void __user *)arg);
-       snd_leave_user(fs);
-       return result;
-}
-
-int snd_pcm_kernel_ioctl(snd_pcm_substream_t *substream,
-                        unsigned int cmd, void *arg)
-{
        switch (substream->stream) {
        case SNDRV_PCM_STREAM_PLAYBACK:
-               return snd_pcm_kernel_playback_ioctl(substream, cmd, arg);
+               result = snd_pcm_playback_ioctl1(substream,
+                                                cmd, (void __user *)arg);
+               break;
        case SNDRV_PCM_STREAM_CAPTURE:
-               return snd_pcm_kernel_capture_ioctl(substream, cmd, arg);
+               result = snd_pcm_capture_ioctl1(substream,
+                                               cmd, (void __user *)arg);
+               break;
        default:
-               return -EINVAL;
+               result = -EINVAL;
+               break;
        }
+       snd_leave_user(fs);
+       return result;
 }
 
-static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count, loff_t * offset)
+static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count,
+                           loff_t * offset)
 {
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
        snd_pcm_sframes_t result;
 
        pcm_file = file->private_data;
@@ -2740,11 +2791,12 @@ static ssize_t snd_pcm_read(struct file *file, char __user *buf, size_t count, l
        return result;
 }
 
-static ssize_t snd_pcm_write(struct file *file, const char __user *buf, size_t count, loff_t * offset)
+static ssize_t snd_pcm_write(struct file *file, const char __user *buf,
+                            size_t count, loff_t * offset)
 {
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
        snd_pcm_sframes_t result;
 
        pcm_file = file->private_data;
@@ -2771,9 +2823,9 @@ static ssize_t snd_pcm_readv(struct file *file, const struct iovec *_vector,
                             unsigned long count, loff_t * offset)
 
 {
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
        snd_pcm_sframes_t result;
        unsigned long i;
        void __user **bufs;
@@ -2805,9 +2857,9 @@ static ssize_t snd_pcm_readv(struct file *file, const struct iovec *_vector,
 static ssize_t snd_pcm_writev(struct file *file, const struct iovec *_vector,
                              unsigned long count, loff_t * offset)
 {
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
        snd_pcm_sframes_t result;
        unsigned long i;
        void __user **bufs;
@@ -2842,9 +2894,9 @@ static ssize_t snd_pcm_writev(struct file *file, const struct iovec *_vector,
 
 static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
 {
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
         unsigned int mask;
        snd_pcm_uframes_t avail;
 
@@ -2880,9 +2932,9 @@ static unsigned int snd_pcm_playback_poll(struct file *file, poll_table * wait)
 
 static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait)
 {
-       snd_pcm_file_t *pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file *pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
         unsigned int mask;
        snd_pcm_uframes_t avail;
 
@@ -2932,18 +2984,18 @@ static unsigned int snd_pcm_capture_poll(struct file *file, poll_table * wait)
 /*
  * mmap status record
  */
-static struct page * snd_pcm_mmap_status_nopage(struct vm_area_struct *area, unsigned long address, int *type)
+static struct page * snd_pcm_mmap_status_nopage(struct vm_area_struct *area,
+                                               unsigned long address, int *type)
 {
-       snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_substream *substream = area->vm_private_data;
+       struct snd_pcm_runtime *runtime;
        struct page * page;
        
        if (substream == NULL)
                return NOPAGE_OOM;
        runtime = substream->runtime;
        page = virt_to_page(runtime->status);
-       if (!PageReserved(page))
-               get_page(page);
+       get_page(page);
        if (type)
                *type = VM_FAULT_MINOR;
        return page;
@@ -2954,17 +3006,17 @@ static struct vm_operations_struct snd_pcm_vm_ops_status =
        .nopage =       snd_pcm_mmap_status_nopage,
 };
 
-static int snd_pcm_mmap_status(snd_pcm_substream_t *substream, struct file *file,
+static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file *file,
                               struct vm_area_struct *area)
 {
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_runtime *runtime;
        long size;
        if (!(area->vm_flags & VM_READ))
                return -EINVAL;
        runtime = substream->runtime;
        snd_assert(runtime != NULL, return -EAGAIN);
        size = area->vm_end - area->vm_start;
-       if (size != PAGE_ALIGN(sizeof(snd_pcm_mmap_status_t)))
+       if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_status)))
                return -EINVAL;
        area->vm_ops = &snd_pcm_vm_ops_status;
        area->vm_private_data = substream;
@@ -2975,18 +3027,18 @@ static int snd_pcm_mmap_status(snd_pcm_substream_t *substream, struct file *file
 /*
  * mmap control record
  */
-static struct page * snd_pcm_mmap_control_nopage(struct vm_area_struct *area, unsigned long address, int *type)
+static struct page * snd_pcm_mmap_control_nopage(struct vm_area_struct *area,
+                                                unsigned long address, int *type)
 {
-       snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_substream *substream = area->vm_private_data;
+       struct snd_pcm_runtime *runtime;
        struct page * page;
        
        if (substream == NULL)
                return NOPAGE_OOM;
        runtime = substream->runtime;
        page = virt_to_page(runtime->control);
-       if (!PageReserved(page))
-               get_page(page);
+       get_page(page);
        if (type)
                *type = VM_FAULT_MINOR;
        return page;
@@ -2997,17 +3049,17 @@ static struct vm_operations_struct snd_pcm_vm_ops_control =
        .nopage =       snd_pcm_mmap_control_nopage,
 };
 
-static int snd_pcm_mmap_control(snd_pcm_substream_t *substream, struct file *file,
+static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file *file,
                                struct vm_area_struct *area)
 {
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_runtime *runtime;
        long size;
        if (!(area->vm_flags & VM_READ))
                return -EINVAL;
        runtime = substream->runtime;
        snd_assert(runtime != NULL, return -EAGAIN);
        size = area->vm_end - area->vm_start;
-       if (size != PAGE_ALIGN(sizeof(snd_pcm_mmap_control_t)))
+       if (size != PAGE_ALIGN(sizeof(struct snd_pcm_mmap_control)))
                return -EINVAL;
        area->vm_ops = &snd_pcm_vm_ops_control;
        area->vm_private_data = substream;
@@ -3018,12 +3070,12 @@ static int snd_pcm_mmap_control(snd_pcm_substream_t *substream, struct file *fil
 /*
  * don't support mmap for status and control records.
  */
-static int snd_pcm_mmap_status(snd_pcm_substream_t *substream, struct file *file,
+static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file *file,
                               struct vm_area_struct *area)
 {
        return -ENXIO;
 }
-static int snd_pcm_mmap_control(snd_pcm_substream_t *substream, struct file *file,
+static int snd_pcm_mmap_control(struct snd_pcm_substream *substream, struct file *file,
                                struct vm_area_struct *area)
 {
        return -ENXIO;
@@ -3033,10 +3085,11 @@ static int snd_pcm_mmap_control(snd_pcm_substream_t *substream, struct file *fil
 /*
  * nopage callback for mmapping a RAM page
  */
-static struct page *snd_pcm_mmap_data_nopage(struct vm_area_struct *area, unsigned long address, int *type)
+static struct page *snd_pcm_mmap_data_nopage(struct vm_area_struct *area,
+                                            unsigned long address, int *type)
 {
-       snd_pcm_substream_t *substream = (snd_pcm_substream_t *)area->vm_private_data;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_substream *substream = area->vm_private_data;
+       struct snd_pcm_runtime *runtime;
        unsigned long offset;
        struct page * page;
        void *vaddr;
@@ -3059,8 +3112,7 @@ static struct page *snd_pcm_mmap_data_nopage(struct vm_area_struct *area, unsign
                vaddr = runtime->dma_area + offset;
                page = virt_to_page(vaddr);
        }
-       if (!PageReserved(page))
-               get_page(page);
+       get_page(page);
        if (type)
                *type = VM_FAULT_MINOR;
        return page;
@@ -3076,7 +3128,8 @@ static struct vm_operations_struct snd_pcm_vm_ops_data =
 /*
  * mmap the DMA buffer on RAM
  */
-static int snd_pcm_default_mmap(snd_pcm_substream_t *substream, struct vm_area_struct *area)
+static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
+                               struct vm_area_struct *area)
 {
        area->vm_ops = &snd_pcm_vm_ops_data;
        area->vm_private_data = substream;
@@ -3095,7 +3148,8 @@ static struct vm_operations_struct snd_pcm_vm_ops_data_mmio =
        .close =        snd_pcm_mmap_data_close,
 };
 
-int snd_pcm_lib_mmap_iomem(snd_pcm_substream_t *substream, struct vm_area_struct *area)
+int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
+                          struct vm_area_struct *area)
 {
        long size;
        unsigned long offset;
@@ -3120,10 +3174,10 @@ int snd_pcm_lib_mmap_iomem(snd_pcm_substream_t *substream, struct vm_area_struct
 /*
  * mmap DMA buffer
  */
-int snd_pcm_mmap_data(snd_pcm_substream_t *substream, struct file *file,
+int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file,
                      struct vm_area_struct *area)
 {
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_runtime *runtime;
        long size;
        unsigned long offset;
        size_t dma_bytes;
@@ -3160,8 +3214,8 @@ int snd_pcm_mmap_data(snd_pcm_substream_t *substream, struct file *file,
 
 static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)
 {
-       snd_pcm_file_t * pcm_file;
-       snd_pcm_substream_t *substream; 
+       struct snd_pcm_file * pcm_file;
+       struct snd_pcm_substream *substream;    
        unsigned long offset;
        
        pcm_file = file->private_data;
@@ -3186,9 +3240,9 @@ static int snd_pcm_mmap(struct file *file, struct vm_area_struct *area)
 
 static int snd_pcm_fasync(int fd, struct file * file, int on)
 {
-       snd_pcm_file_t * pcm_file;
-       snd_pcm_substream_t *substream;
-       snd_pcm_runtime_t *runtime;
+       struct snd_pcm_file * pcm_file;
+       struct snd_pcm_substream *substream;
+       struct snd_pcm_runtime *runtime;
        int err;
 
        pcm_file = file->private_data;
@@ -3215,10 +3269,12 @@ static int snd_pcm_fasync(int fd, struct file * file, int on)
  *  To be removed helpers to keep binary compatibility
  */
 
+#ifdef CONFIG_SND_SUPPORT_OLD_API
 #define __OLD_TO_NEW_MASK(x) ((x&7)|((x&0x07fffff8)<<5))
 #define __NEW_TO_OLD_MASK(x) ((x&7)|((x&0xffffff00)>>5))
 
-static void snd_pcm_hw_convert_from_old_params(snd_pcm_hw_params_t *params, struct sndrv_pcm_hw_params_old *oparams)
+static void snd_pcm_hw_convert_from_old_params(struct snd_pcm_hw_params *params,
+                                              struct snd_pcm_hw_params_old *oparams)
 {
        unsigned int i;
 
@@ -3236,7 +3292,8 @@ static void snd_pcm_hw_convert_from_old_params(snd_pcm_hw_params_t *params, stru
        params->fifo_size = oparams->fifo_size;
 }
 
-static void snd_pcm_hw_convert_to_old_params(struct sndrv_pcm_hw_params_old *oparams, snd_pcm_hw_params_t *params)
+static void snd_pcm_hw_convert_to_old_params(struct snd_pcm_hw_params_old *oparams,
+                                            struct snd_pcm_hw_params *params)
 {
        unsigned int i;
 
@@ -3254,10 +3311,11 @@ static void snd_pcm_hw_convert_to_old_params(struct sndrv_pcm_hw_params_old *opa
        oparams->fifo_size = params->fifo_size;
 }
 
-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_refine_old_user(struct snd_pcm_substream *substream,
+                                     struct snd_pcm_hw_params_old __user * _oparams)
 {
-       snd_pcm_hw_params_t *params;
-       struct sndrv_pcm_hw_params_old *oparams = NULL;
+       struct snd_pcm_hw_params *params;
+       struct snd_pcm_hw_params_old *oparams = NULL;
        int err;
 
        params = kmalloc(sizeof(*params), GFP_KERNEL);
@@ -3288,10 +3346,11 @@ out:
        return err;
 }
 
-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_params_old_user(struct snd_pcm_substream *substream,
+                                     struct snd_pcm_hw_params_old __user * _oparams)
 {
-       snd_pcm_hw_params_t *params;
-       struct sndrv_pcm_hw_params_old *oparams = NULL;
+       struct snd_pcm_hw_params *params;
+       struct snd_pcm_hw_params_old *oparams = NULL;
        int err;
 
        params = kmalloc(sizeof(*params), GFP_KERNEL);
@@ -3320,45 +3379,35 @@ out:
        kfree(oparams);
        return err;
 }
+#endif /* CONFIG_SND_SUPPORT_OLD_API */
 
 /*
  *  Register section
  */
 
-static struct file_operations snd_pcm_f_ops_playback = {
-       .owner =        THIS_MODULE,
-       .write =        snd_pcm_write,
-       .writev =       snd_pcm_writev,
-       .open =         snd_pcm_open,
-       .release =      snd_pcm_release,
-       .poll =         snd_pcm_playback_poll,
-       .unlocked_ioctl =       snd_pcm_playback_ioctl,
-       .compat_ioctl = snd_pcm_ioctl_compat,
-       .mmap =         snd_pcm_mmap,
-       .fasync =       snd_pcm_fasync,
-};
-
-static struct file_operations snd_pcm_f_ops_capture = {
-       .owner =        THIS_MODULE,
-       .read =         snd_pcm_read,
-       .readv =        snd_pcm_readv,
-       .open =         snd_pcm_open,
-       .release =      snd_pcm_release,
-       .poll =         snd_pcm_capture_poll,
-       .unlocked_ioctl =       snd_pcm_capture_ioctl,
-       .compat_ioctl = snd_pcm_ioctl_compat,
-       .mmap =         snd_pcm_mmap,
-       .fasync =       snd_pcm_fasync,
-};
-
-snd_minor_t snd_pcm_reg[2] =
-{
+struct file_operations snd_pcm_f_ops[2] = {
        {
-               .comment =      "digital audio playback",
-               .f_ops =        &snd_pcm_f_ops_playback,
+               .owner =                THIS_MODULE,
+               .write =                snd_pcm_write,
+               .writev =               snd_pcm_writev,
+               .open =                 snd_pcm_playback_open,
+               .release =              snd_pcm_release,
+               .poll =                 snd_pcm_playback_poll,
+               .unlocked_ioctl =       snd_pcm_playback_ioctl,
+               .compat_ioctl =         snd_pcm_ioctl_compat,
+               .mmap =                 snd_pcm_mmap,
+               .fasync =               snd_pcm_fasync,
        },
        {
-               .comment =      "digital audio capture",
-               .f_ops =        &snd_pcm_f_ops_capture,
+               .owner =                THIS_MODULE,
+               .read =                 snd_pcm_read,
+               .readv =                snd_pcm_readv,
+               .open =                 snd_pcm_capture_open,
+               .release =              snd_pcm_release,
+               .poll =                 snd_pcm_capture_poll,
+               .unlocked_ioctl =       snd_pcm_capture_ioctl,
+               .compat_ioctl =         snd_pcm_ioctl_compat,
+               .mmap =                 snd_pcm_mmap,
+               .fasync =               snd_pcm_fasync,
        }
 };