#define OSS_ALSAEMULVER _SIOR ('M', 249, int)
-static int dsp_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 0};
+static int dsp_map[SNDRV_CARDS];
static int adsp_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
static int nonblock_open = 1;
set_fs(fs);
}
+/*
+ * helper functions to process hw_params
+ */
+static int snd_interval_refine_min(struct snd_interval *i, unsigned int min, int openmin)
+{
+ int changed = 0;
+ if (i->min < min) {
+ i->min = min;
+ i->openmin = openmin;
+ changed = 1;
+ } else if (i->min == min && !i->openmin && openmin) {
+ i->openmin = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmin) {
+ i->min++;
+ i->openmin = 0;
+ }
+ }
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+static int snd_interval_refine_max(struct snd_interval *i, unsigned int max, int openmax)
+{
+ int changed = 0;
+ if (i->max > max) {
+ i->max = max;
+ i->openmax = openmax;
+ changed = 1;
+ } else if (i->max == max && !i->openmax && openmax) {
+ i->openmax = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmax) {
+ i->max--;
+ i->openmax = 0;
+ }
+ }
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+static int snd_interval_refine_set(struct snd_interval *i, unsigned int val)
+{
+ struct snd_interval t;
+ t.empty = 0;
+ t.min = t.max = val;
+ t.openmin = t.openmax = 0;
+ t.integer = 1;
+ return snd_interval_refine(i, &t);
+}
+
+/**
+ * snd_pcm_hw_param_value_min
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Return the minimum value for field PAR.
+ */
+static unsigned int
+snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
+{
+ if (hw_is_mask(var)) {
+ if (dir)
+ *dir = 0;
+ return snd_mask_min(hw_param_mask_c(params, var));
+ }
+ if (hw_is_interval(var)) {
+ const struct snd_interval *i = hw_param_interval_c(params, var);
+ if (dir)
+ *dir = i->openmin;
+ return snd_interval_min(i);
+ }
+ return -EINVAL;
+}
+
+/**
+ * snd_pcm_hw_param_value_max
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Return the maximum value for field PAR.
+ */
+static unsigned int
+snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
+{
+ if (hw_is_mask(var)) {
+ if (dir)
+ *dir = 0;
+ return snd_mask_max(hw_param_mask_c(params, var));
+ }
+ if (hw_is_interval(var)) {
+ const struct snd_interval *i = hw_param_interval_c(params, var);
+ if (dir)
+ *dir = - (int) i->openmax;
+ return snd_interval_max(i);
+ }
+ return -EINVAL;
+}
+
+static int _snd_pcm_hw_param_mask(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var,
+ const struct snd_mask *val)
+{
+ int changed;
+ changed = snd_mask_refine(hw_param_mask(params, var), val);
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+static int snd_pcm_hw_param_mask(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var,
+ const struct snd_mask *val)
+{
+ int changed = _snd_pcm_hw_param_mask(params, var, val);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int _snd_pcm_hw_param_min(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed;
+ int open = 0;
+ if (dir) {
+ if (dir > 0) {
+ open = 1;
+ } else if (dir < 0) {
+ if (val > 0) {
+ open = 1;
+ val--;
+ }
+ }
+ }
+ if (hw_is_mask(var))
+ changed = snd_mask_refine_min(hw_param_mask(params, var),
+ val + !!open);
+ else if (hw_is_interval(var))
+ changed = snd_interval_refine_min(hw_param_interval(params, var),
+ val, open);
+ else
+ return -EINVAL;
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/**
+ * snd_pcm_hw_param_min
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: minimal value
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS remove from PAR all
+ * values < VAL. Reduce configuration space accordingly.
+ * Return new minimum or -EINVAL if the configuration space is empty
+ */
+static int snd_pcm_hw_param_min(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int *dir)
+{
+ int changed = _snd_pcm_hw_param_min(params, var, val, dir ? *dir : 0);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_value_min(params, var, dir);
+}
+
+static int _snd_pcm_hw_param_max(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed;
+ int open = 0;
+ if (dir) {
+ if (dir < 0) {
+ open = 1;
+ } else if (dir > 0) {
+ open = 1;
+ val++;
+ }
+ }
+ if (hw_is_mask(var)) {
+ if (val == 0 && open) {
+ snd_mask_none(hw_param_mask(params, var));
+ changed = -EINVAL;
+ } else
+ changed = snd_mask_refine_max(hw_param_mask(params, var),
+ val - !!open);
+ } else if (hw_is_interval(var))
+ changed = snd_interval_refine_max(hw_param_interval(params, var),
+ val, open);
+ else
+ return -EINVAL;
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/**
+ * snd_pcm_hw_param_max
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: maximal value
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS remove from PAR all
+ * values >= VAL + 1. Reduce configuration space accordingly.
+ * Return new maximum or -EINVAL if the configuration space is empty
+ */
+static int snd_pcm_hw_param_max(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int *dir)
+{
+ int changed = _snd_pcm_hw_param_max(params, var, val, dir ? *dir : 0);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_value_max(params, var, dir);
+}
+
+static int boundary_sub(int a, int adir,
+ int b, int bdir,
+ int *c, int *cdir)
+{
+ adir = adir < 0 ? -1 : (adir > 0 ? 1 : 0);
+ bdir = bdir < 0 ? -1 : (bdir > 0 ? 1 : 0);
+ *c = a - b;
+ *cdir = adir - bdir;
+ if (*cdir == -2) {
+ (*c)--;
+ } else if (*cdir == 2) {
+ (*c)++;
+ }
+ return 0;
+}
+
+static int boundary_lt(unsigned int a, int adir,
+ unsigned int b, int bdir)
+{
+ if (adir < 0) {
+ a--;
+ adir = 1;
+ } else if (adir > 0)
+ adir = 1;
+ if (bdir < 0) {
+ b--;
+ bdir = 1;
+ } else if (bdir > 0)
+ bdir = 1;
+ return a < b || (a == b && adir < bdir);
+}
+
+/* Return 1 if min is nearer to best than max */
+static int boundary_nearer(int min, int mindir,
+ int best, int bestdir,
+ int max, int maxdir)
+{
+ int dmin, dmindir;
+ int dmax, dmaxdir;
+ boundary_sub(best, bestdir, min, mindir, &dmin, &dmindir);
+ boundary_sub(max, maxdir, best, bestdir, &dmax, &dmaxdir);
+ return boundary_lt(dmin, dmindir, dmax, dmaxdir);
+}
+
+/**
+ * snd_pcm_hw_param_near
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @best: value to set
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS set PAR to the available value
+ * nearest to VAL. Reduce configuration space accordingly.
+ * This function cannot be called for SNDRV_PCM_HW_PARAM_ACCESS,
+ * SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_SUBFORMAT.
+ * Return the value found.
+ */
+static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int best,
+ int *dir)
+{
+ struct snd_pcm_hw_params *save = NULL;
+ int v;
+ unsigned int saved_min;
+ int last = 0;
+ int min, max;
+ int mindir, maxdir;
+ int valdir = dir ? *dir : 0;
+ /* FIXME */
+ if (best > INT_MAX)
+ best = INT_MAX;
+ min = max = best;
+ mindir = maxdir = valdir;
+ if (maxdir > 0)
+ maxdir = 0;
+ else if (maxdir == 0)
+ maxdir = -1;
+ else {
+ maxdir = 1;
+ max--;
+ }
+ save = kmalloc(sizeof(*save), GFP_KERNEL);
+ if (save == NULL)
+ return -ENOMEM;
+ *save = *params;
+ saved_min = min;
+ min = snd_pcm_hw_param_min(pcm, params, var, min, &mindir);
+ if (min >= 0) {
+ struct snd_pcm_hw_params *params1;
+ if (max < 0)
+ goto _end;
+ if ((unsigned int)min == saved_min && mindir == valdir)
+ goto _end;
+ params1 = kmalloc(sizeof(*params1), GFP_KERNEL);
+ if (params1 == NULL) {
+ kfree(save);
+ return -ENOMEM;
+ }
+ *params1 = *save;
+ max = snd_pcm_hw_param_max(pcm, params1, var, max, &maxdir);
+ if (max < 0) {
+ kfree(params1);
+ goto _end;
+ }
+ if (boundary_nearer(max, maxdir, best, valdir, min, mindir)) {
+ *params = *params1;
+ last = 1;
+ }
+ kfree(params1);
+ } else {
+ *params = *save;
+ max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir);
+ snd_assert(max >= 0, return -EINVAL);
+ last = 1;
+ }
+ _end:
+ kfree(save);
+ if (last)
+ v = snd_pcm_hw_param_last(pcm, params, var, dir);
+ else
+ v = snd_pcm_hw_param_first(pcm, params, var, dir);
+ snd_assert(v >= 0, return -EINVAL);
+ return v;
+}
+
+static int _snd_pcm_hw_param_set(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed;
+ if (hw_is_mask(var)) {
+ struct snd_mask *m = hw_param_mask(params, var);
+ if (val == 0 && dir < 0) {
+ changed = -EINVAL;
+ snd_mask_none(m);
+ } else {
+ if (dir > 0)
+ val++;
+ else if (dir < 0)
+ val--;
+ changed = snd_mask_refine_set(hw_param_mask(params, var), val);
+ }
+ } else if (hw_is_interval(var)) {
+ struct snd_interval *i = hw_param_interval(params, var);
+ if (val == 0 && dir < 0) {
+ changed = -EINVAL;
+ snd_interval_none(i);
+ } else if (dir == 0)
+ changed = snd_interval_refine_set(i, val);
+ else {
+ struct snd_interval t;
+ t.openmin = 1;
+ t.openmax = 1;
+ t.empty = 0;
+ t.integer = 0;
+ if (dir < 0) {
+ t.min = val - 1;
+ t.max = val;
+ } else {
+ t.min = val;
+ t.max = val+1;
+ }
+ changed = snd_interval_refine(i, &t);
+ }
+ } else
+ return -EINVAL;
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/**
+ * snd_pcm_hw_param_set
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: value to set
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS remove from PAR all
+ * values != VAL. Reduce configuration space accordingly.
+ * Return VAL or -EINVAL if the configuration space is empty
+ */
+static int snd_pcm_hw_param_set(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed = _snd_pcm_hw_param_set(params, var, val, dir);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_value(params, var, NULL);
+}
+
+static int _snd_pcm_hw_param_setinteger(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var)
+{
+ int changed;
+ changed = snd_interval_setinteger(hw_param_interval(params, var));
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/*
+ * plugin
+ */
+
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
static int snd_pcm_oss_plugin_clear(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
}
return 0;
}
+#endif /* CONFIG_SND_PCM_OSS_PLUGINS */
static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames)
{
oss_buffer_size = snd_pcm_plug_client_size(substream,
snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size;
oss_buffer_size = 1 << ld2(oss_buffer_size);
- if (atomic_read(&runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count)) {
if (oss_buffer_size > runtime->oss.mmap_bytes)
oss_buffer_size = runtime->oss.mmap_bytes;
}
- if (substream->oss.setup &&
- substream->oss.setup->period_size > 16)
- oss_period_size = substream->oss.setup->period_size;
+ if (substream->oss.setup.period_size > 16)
+ oss_period_size = substream->oss.setup.period_size;
else if (runtime->oss.fragshift) {
oss_period_size = 1 << runtime->oss.fragshift;
if (oss_period_size > oss_buffer_size / 2)
oss_periods = oss_buffer_size / oss_period_size;
- if (substream->oss.setup) {
- if (substream->oss.setup->periods > 1)
- oss_periods = substream->oss.setup->periods;
- }
+ if (substream->oss.setup.periods > 1)
+ oss_periods = substream->oss.setup.periods;
s = snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIODS, NULL);
if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)
struct snd_mask sformat_mask;
struct snd_mask mask;
+ if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -EINTR;
sw_params = kmalloc(sizeof(*sw_params), GFP_KERNEL);
params = kmalloc(sizeof(*params), GFP_KERNEL);
sparams = kmalloc(sizeof(*sparams), GFP_KERNEL);
goto failure;
}
- if (atomic_read(&runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count))
direct = 1;
- } else {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- direct = (setup != NULL && setup->direct);
- }
+ else
+ direct = substream->oss.setup.direct;
_snd_pcm_hw_params_any(sparams);
_snd_pcm_hw_param_setinteger(sparams, SNDRV_PCM_HW_PARAM_PERIODS);
_snd_pcm_hw_param_min(sparams, SNDRV_PCM_HW_PARAM_PERIODS, 2, 0);
snd_mask_none(&mask);
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
snd_mask_set(&mask, SNDRV_PCM_ACCESS_MMAP_INTERLEAVED);
else {
snd_mask_set(&mask, SNDRV_PCM_ACCESS_RW_INTERLEAVED);
oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
params_channels(params) / 8;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
snd_pcm_oss_plugin_clear(substream);
if (!direct) {
/* add necessary plugins */
}
}
}
+#endif
err = snd_pcm_oss_period_size(substream, params, sparams);
if (err < 0)
} else {
sw_params->start_threshold = runtime->boundary;
}
- if (atomic_read(&runtime->mmap_count) || substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ if (atomic_read(&substream->mmap_count) ||
+ substream->stream == SNDRV_PCM_STREAM_CAPTURE)
sw_params->stop_threshold = runtime->boundary;
else
sw_params->stop_threshold = runtime->buffer_size;
sw_params->avail_min = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
1 : runtime->period_size;
sw_params->xfer_align = 1;
- if (atomic_read(&runtime->mmap_count) ||
- (substream->oss.setup && substream->oss.setup->nosilence)) {
+ if (atomic_read(&substream->mmap_count) ||
+ substream->oss.setup.nosilence) {
sw_params->silence_threshold = 0;
sw_params->silence_size = 0;
} else {
runtime->oss.periods = params_periods(sparams);
oss_period_size = snd_pcm_plug_client_size(substream, params_period_size(sparams));
snd_assert(oss_period_size >= 0, err = -EINVAL; goto failure);
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first) {
err = snd_pcm_plug_alloc(substream, oss_period_size);
if (err < 0)
goto failure;
}
+#endif
oss_period_size *= oss_frame_size;
oss_buffer_size = oss_period_size * runtime->oss.periods;
kfree(sw_params);
kfree(params);
kfree(sparams);
+ mutex_unlock(&runtime->oss.params_lock);
return err;
}
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_sframes_t frames, frames1;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first) {
struct snd_pcm_plugin_channel *channels;
size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
if (frames1 <= 0)
return frames1;
bytes = frames1 * oss_frame_bytes;
- } else {
+ } else
+#endif
+ {
frames = bytes_to_frames(runtime, bytes);
frames1 = snd_pcm_oss_write3(substream, buf, frames, in_kernel);
if (frames1 <= 0)
ssize_t tmp;
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
return -ENXIO;
if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
return tmp;
+ mutex_lock(&runtime->oss.params_lock);
while (bytes > 0) {
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
tmp = bytes;
if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)
tmp = runtime->oss.period_bytes - runtime->oss.buffer_used;
if (tmp > 0) {
- if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp))
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : -EFAULT;
+ if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp)) {
+ tmp = -EFAULT;
+ goto err;
+ }
}
runtime->oss.buffer_used += tmp;
buf += tmp;
bytes -= tmp;
xfer += tmp;
- if ((substream->oss.setup != NULL && substream->oss.setup->partialfrag) ||
+ if (substream->oss.setup.partialfrag ||
runtime->oss.buffer_used == runtime->oss.period_bytes) {
tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,
runtime->oss.buffer_used - runtime->oss.period_ptr, 1);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
runtime->oss.period_ptr += tmp;
runtime->oss.period_ptr %= runtime->oss.period_bytes;
if (runtime->oss.period_ptr == 0 ||
runtime->oss.period_ptr == runtime->oss.buffer_used)
runtime->oss.buffer_used = 0;
- else if ((substream->ffile->f_flags & O_NONBLOCK) != 0)
- return xfer > 0 ? xfer : -EAGAIN;
+ else if ((substream->f_flags & O_NONBLOCK) != 0) {
+ tmp = -EAGAIN;
+ goto err;
+ }
}
} else {
tmp = snd_pcm_oss_write2(substream,
(const char __force *)buf,
runtime->oss.period_bytes, 0);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
buf += tmp;
bytes -= tmp;
xfer += tmp;
- if ((substream->ffile->f_flags & O_NONBLOCK) != 0 &&
+ if ((substream->f_flags & O_NONBLOCK) != 0 &&
tmp != runtime->oss.period_bytes)
break;
}
}
+ mutex_unlock(&runtime->oss.params_lock);
return xfer;
+
+ err:
+ mutex_unlock(&runtime->oss.params_lock);
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf, size_t bytes, int in_kernel)
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_sframes_t frames, frames1;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
char __user *final_dst = (char __user *)buf;
if (runtime->oss.plugin_first) {
struct snd_pcm_plugin_channel *channels;
bytes = frames1 * oss_frame_bytes;
if (!in_kernel && copy_to_user(final_dst, buf, bytes))
return -EFAULT;
- } else {
+ } else
+#endif
+ {
frames = bytes_to_frames(runtime, bytes);
frames1 = snd_pcm_oss_read3(substream, buf, frames, in_kernel);
if (frames1 <= 0)
ssize_t tmp;
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
return -ENXIO;
if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
return tmp;
+ mutex_lock(&runtime->oss.params_lock);
while (bytes > 0) {
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
if (runtime->oss.buffer_used == 0) {
tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
runtime->oss.period_ptr = tmp;
runtime->oss.buffer_used = tmp;
tmp = bytes;
if ((size_t) tmp > runtime->oss.buffer_used)
tmp = runtime->oss.buffer_used;
- if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), tmp))
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : -EFAULT;
+ if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), tmp)) {
+ tmp = -EFAULT;
+ goto err;
+ }
buf += tmp;
bytes -= tmp;
xfer += tmp;
tmp = snd_pcm_oss_read2(substream, (char __force *)buf,
runtime->oss.period_bytes, 0);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
buf += tmp;
bytes -= tmp;
xfer += tmp;
}
}
+ mutex_unlock(&runtime->oss.params_lock);
return xfer;
+
+ err:
+ mutex_unlock(&runtime->oss.params_lock);
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream != NULL) {
- snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
substream->runtime->oss.prepare = 1;
}
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
if (substream != NULL) {
- snd_pcm_kernel_capture_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
substream->runtime->oss.prepare = 1;
}
return 0;
if (substream != NULL) {
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
- snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_START, NULL);
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_START, NULL);
}
/* note: all errors from the start action are ignored */
/* OSS apps do not know, how to handle them */
ssize_t result = 0;
long res;
wait_queue_t wait;
+ static char printed_comm[16];
+
+ if (strncmp(printed_comm, current->comm, 16)) {
+ printk(KERN_DEBUG "application %s uses obsolete OSS audio interface\n",
+ current->comm);
+ memcpy(printed_comm, current->comm, 16);
+ }
runtime = substream->runtime;
init_waitqueue_entry(&wait, current);
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream != NULL) {
runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
goto __direct;
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
format = snd_pcm_oss_format_from(runtime->oss.format);
width = snd_pcm_format_physical_width(format);
+ mutex_lock(&runtime->oss.params_lock);
if (runtime->oss.buffer_used > 0) {
#ifdef OSS_DEBUG
printk("sync: buffer_used\n");
runtime->oss.buffer + runtime->oss.buffer_used,
size);
err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);
- if (err < 0)
+ if (err < 0) {
+ mutex_unlock(&runtime->oss.params_lock);
return err;
+ }
} else if (runtime->oss.period_ptr > 0) {
#ifdef OSS_DEBUG
printk("sync: period_ptr\n");
runtime->oss.buffer,
size * 8 / width);
err = snd_pcm_oss_sync1(substream, size);
- if (err < 0)
+ if (err < 0) {
+ mutex_unlock(&runtime->oss.params_lock);
return err;
+ }
}
/*
* The ALSA's period might be a bit large than OSS one.
snd_pcm_lib_writev(substream, buffers, size);
}
}
+ mutex_unlock(&runtime->oss.params_lock);
/*
* finish sync: drain the buffer
*/
__direct:
- saved_f_flags = substream->ffile->f_flags;
- substream->ffile->f_flags &= ~O_NONBLOCK;
- err = snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);
- substream->ffile->f_flags = saved_f_flags;
+ saved_f_flags = substream->f_flags;
+ substream->f_flags &= ~O_NONBLOCK;
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);
+ substream->f_flags = saved_f_flags;
if (err < 0)
return err;
runtime->oss.prepare = 1;
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
runtime = substream->runtime;
- err = snd_pcm_kernel_capture_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
if (err < 0)
return err;
runtime->oss.buffer_used = 0;
if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
return err;
- if (atomic_read(&substream->runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count))
direct = 1;
- } else {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- direct = (setup != NULL && setup->direct);
- }
+ else
+ direct = substream->oss.setup.direct;
if (!direct)
return AFMT_MU_LAW | AFMT_U8 |
AFMT_S16_LE | AFMT_S16_BE |
if (format != AFMT_QUERY) {
formats = snd_pcm_oss_get_formats(pcm_oss_file);
+ if (formats < 0)
+ return formats;
if (!(formats & format))
format = AFMT_U8;
for (idx = 1; idx >= 0; --idx) {
if (trigger & PCM_ENABLE_OUTPUT) {
if (runtime->oss.trigger)
goto _skip1;
- if (atomic_read(&psubstream->runtime->mmap_count))
+ if (atomic_read(&psubstream->mmap_count))
snd_pcm_oss_simulate_fill(psubstream, runtime->hw_ptr_interrupt);
runtime->oss.trigger = 1;
runtime->start_threshold = 1;
cmd = SNDRV_PCM_IOCTL_DROP;
runtime->oss.prepare = 1;
}
- err = snd_pcm_kernel_playback_ioctl(psubstream, cmd, NULL);
+ err = snd_pcm_kernel_ioctl(psubstream, cmd, NULL);
if (err < 0)
return err;
}
cmd = SNDRV_PCM_IOCTL_DROP;
runtime->oss.prepare = 1;
}
- err = snd_pcm_kernel_capture_ioctl(csubstream, cmd, NULL);
+ err = snd_pcm_kernel_ioctl(csubstream, cmd, NULL);
if (err < 0)
return err;
}
runtime = substream->runtime;
if (runtime->oss.params || runtime->oss.prepare)
return 0;
- err = snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &delay);
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &delay);
if (err == -EPIPE)
delay = 0; /* hack for broken OSS applications */
else if (err < 0)
if (err < 0)
return err;
info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);
- if (atomic_read(&runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count)) {
snd_pcm_sframes_t n;
n = (delay = runtime->hw_ptr_interrupt) - runtime->oss.prev_hw_ptr_interrupt;
if (n < 0)
} else {
delay = snd_pcm_oss_bytes(substream, delay);
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- if (setup && setup->buggyptr)
+ if (substream->oss.setup.buggyptr)
info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
else
info.blocks = (delay + fixup) / runtime->oss.period_bytes;
return -EINVAL;
}
-static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream, const char *task_name)
+static const char *strip_task_path(const char *path)
{
- const char *ptr, *ptrl;
- struct snd_pcm_oss_setup *setup;
-
- down(&pcm->streams[stream].oss.setup_mutex);
- for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
- if (!strcmp(setup->task_name, task_name)) {
- up(&pcm->streams[stream].oss.setup_mutex);
- return setup;
- }
- }
- ptr = ptrl = task_name;
- while (*ptr) {
+ const char *ptr, *ptrl = NULL;
+ for (ptr = path; *ptr; ptr++) {
if (*ptr == '/')
ptrl = ptr + 1;
- ptr++;
- }
- if (ptrl == task_name) {
- goto __not_found;
- return NULL;
}
- for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
- if (!strcmp(setup->task_name, ptrl)) {
- up(&pcm->streams[stream].oss.setup_mutex);
- return setup;
+ return ptrl;
+}
+
+static void snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream,
+ const char *task_name,
+ struct snd_pcm_oss_setup *rsetup)
+{
+ struct snd_pcm_oss_setup *setup;
+
+ mutex_lock(&pcm->streams[stream].oss.setup_mutex);
+ do {
+ for (setup = pcm->streams[stream].oss.setup_list; setup;
+ setup = setup->next) {
+ if (!strcmp(setup->task_name, task_name))
+ goto out;
}
- }
- __not_found:
- up(&pcm->streams[stream].oss.setup_mutex);
- return NULL;
+ } while ((task_name = strip_task_path(task_name)) != NULL);
+ out:
+ if (setup)
+ *rsetup = *setup;
+ mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
+}
+
+static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime;
+ runtime = substream->runtime;
+ vfree(runtime->oss.buffer);
+ runtime->oss.buffer = NULL;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
+ snd_pcm_oss_plugin_clear(substream);
+#endif
+ substream->oss.oss = 0;
}
static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime;
substream->oss.oss = 1;
- substream->oss.setup = setup;
+ substream->oss.setup = *setup;
+ if (setup->nonblock)
+ substream->f_flags |= O_NONBLOCK;
+ else if (setup->block)
+ substream->f_flags &= ~O_NONBLOCK;
runtime = substream->runtime;
runtime->oss.params = 1;
runtime->oss.trigger = 1;
runtime->oss.rate = 8000;
+ mutex_init(&runtime->oss.params_lock);
switch (SNDRV_MINOR_OSS_DEVICE(minor)) {
case SNDRV_MINOR_OSS_PCM_8:
runtime->oss.format = AFMT_U8;
runtime->oss.fragshift = 0;
runtime->oss.maxfrags = 0;
runtime->oss.subdivision = 0;
-}
-
-static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime;
- runtime = substream->runtime;
- vfree(runtime->oss.buffer);
- snd_pcm_oss_plugin_clear(substream);
- substream->oss.file = NULL;
- substream->oss.oss = 0;
+ substream->pcm_release = snd_pcm_oss_release_substream;
}
static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
snd_assert(pcm_oss_file != NULL, return -ENXIO);
for (cidx = 0; cidx < 2; ++cidx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx];
- struct snd_pcm_runtime *runtime;
- if (substream == NULL)
- continue;
- runtime = substream->runtime;
-
- snd_pcm_stream_lock_irq(substream);
- if (snd_pcm_running(substream))
- snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
- snd_pcm_stream_unlock_irq(substream);
- if (substream->ffile != NULL) {
- if (substream->ops->hw_free != NULL)
- substream->ops->hw_free(substream);
- substream->ops->close(substream);
- substream->ffile = NULL;
- }
- snd_pcm_oss_release_substream(substream);
- snd_pcm_release_substream(substream);
+ if (substream)
+ snd_pcm_release_substream(substream);
}
kfree(pcm_oss_file);
return 0;
struct snd_pcm *pcm,
struct snd_pcm_oss_file **rpcm_oss_file,
int minor,
- struct snd_pcm_oss_setup *psetup,
- struct snd_pcm_oss_setup *csetup)
+ struct snd_pcm_oss_setup *setup)
{
- int err = 0;
+ int idx, err;
struct snd_pcm_oss_file *pcm_oss_file;
- struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
+ struct snd_pcm_substream *substream;
unsigned int f_mode = file->f_mode;
snd_assert(rpcm_oss_file != NULL, return -EINVAL);
if ((f_mode & (FMODE_WRITE|FMODE_READ)) == (FMODE_WRITE|FMODE_READ) &&
(pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX))
f_mode = FMODE_WRITE;
- if ((f_mode & FMODE_WRITE) && !(psetup && psetup->disable)) {
- if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &psubstream)) < 0) {
+
+ file->f_flags &= ~O_APPEND;
+ for (idx = 0; idx < 2; idx++) {
+ if (setup[idx].disable)
+ continue;
+ if (! pcm->streams[idx].substream_count)
+ continue; /* no matching substream */
+ if (idx == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (! (f_mode & FMODE_WRITE))
+ continue;
+ } else {
+ if (! (f_mode & FMODE_READ))
+ continue;
+ }
+ err = snd_pcm_open_substream(pcm, idx, file, &substream);
+ if (err < 0) {
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
- pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK] = psubstream;
- }
- if ((f_mode & FMODE_READ) && !(csetup && csetup->disable)) {
- if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &csubstream)) < 0) {
- if (!(f_mode & FMODE_WRITE) || err != -ENODEV) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- } else {
- csubstream = NULL;
- }
- }
- pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE] = csubstream;
+
+ pcm_oss_file->streams[idx] = substream;
+ substream->file = pcm_oss_file;
+ snd_pcm_oss_init_substream(substream, &setup[idx], minor);
}
- if (psubstream == NULL && csubstream == NULL) {
+ if (!pcm_oss_file->streams[0] && !pcm_oss_file->streams[1]) {
snd_pcm_oss_release_file(pcm_oss_file);
return -EINVAL;
}
- if (psubstream != NULL) {
- psubstream->oss.file = pcm_oss_file;
- err = snd_pcm_hw_constraints_init(psubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_init failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- if ((err = psubstream->ops->open(psubstream)) < 0) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- psubstream->ffile = file;
- err = snd_pcm_hw_constraints_complete(psubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_complete failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- snd_pcm_oss_init_substream(psubstream, psetup, minor);
- }
- if (csubstream != NULL) {
- csubstream->oss.file = pcm_oss_file;
- err = snd_pcm_hw_constraints_init(csubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_init failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- if ((err = csubstream->ops->open(csubstream)) < 0) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- csubstream->ffile = file;
- err = snd_pcm_hw_constraints_complete(csubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_complete failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- snd_pcm_oss_init_substream(csubstream, csetup, minor);
- }
file->private_data = pcm_oss_file;
*rpcm_oss_file = pcm_oss_file;
char task_name[32];
struct snd_pcm *pcm;
struct snd_pcm_oss_file *pcm_oss_file;
- struct snd_pcm_oss_setup *psetup = NULL, *csetup = NULL;
+ struct snd_pcm_oss_setup setup[2];
int nonblock;
wait_queue_t wait;
err = -EFAULT;
goto __error;
}
+ memset(setup, 0, sizeof(setup));
if (file->f_mode & FMODE_WRITE)
- psetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK, task_name);
+ snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ task_name, &setup[0]);
if (file->f_mode & FMODE_READ)
- csetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE, task_name);
+ snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ task_name, &setup[1]);
nonblock = !!(file->f_flags & O_NONBLOCK);
- if (psetup && !psetup->disable) {
- if (psetup->nonblock)
- nonblock = 1;
- else if (psetup->block)
- nonblock = 0;
- } else if (csetup && !csetup->disable) {
- if (csetup->nonblock)
- nonblock = 1;
- else if (csetup->block)
- nonblock = 0;
- }
if (!nonblock)
nonblock = nonblock_open;
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_oss_open_file(file, pcm, &pcm_oss_file,
- iminor(inode), psetup, csetup);
+ iminor(inode), setup);
if (err >= 0)
break;
if (err == -EAGAIN) {
} 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;
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
snd_assert(substream != NULL, return -ENXIO);
pcm = substream->pcm;
- snd_pcm_oss_sync(pcm_oss_file);
- down(&pcm->open_mutex);
+ if (!pcm->card->shutdown)
+ snd_pcm_oss_sync(pcm_oss_file);
+ mutex_lock(&pcm->open_mutex);
snd_pcm_oss_release_file(pcm_oss_file);
- up(&pcm->open_mutex);
+ mutex_unlock(&pcm->open_mutex);
wake_up(&pcm->open_wait);
module_put(pcm->card->module);
snd_card_file_remove(pcm->card, file);
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
if (substream == NULL)
return -ENXIO;
+ substream->f_flags = file->f_flags & O_NONBLOCK;
#ifndef OSS_DEBUG
return snd_pcm_oss_read1(substream, buf, count);
#else
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream == NULL)
return -ENXIO;
+ substream->f_flags = file->f_flags & O_NONBLOCK;
result = snd_pcm_oss_write1(substream, buf, count);
#ifdef OSS_DEBUG
printk("pcm_oss: write %li bytes (wrote %li bytes)\n", (long)count, (long)result);
static int snd_pcm_oss_playback_ready(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
else
return snd_pcm_playback_avail(runtime) >= runtime->oss.period_frames;
static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
else
return snd_pcm_capture_avail(runtime) >= runtime->oss.period_frames;
if ((err = snd_pcm_oss_change_params(substream)) < 0)
return err;
}
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first != NULL)
return -EIO;
+#endif
if (area->vm_pgoff != 0)
return -EINVAL;
return 0;
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_VERBOSE_PROCFS
/*
* /proc interface
*/
{
struct snd_pcm_str *pstr = entry->private_data;
struct snd_pcm_oss_setup *setup = pstr->oss.setup_list;
- down(&pstr->oss.setup_mutex);
+ mutex_lock(&pstr->oss.setup_mutex);
while (setup) {
snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
setup->task_name,
setup->nosilence ? " no-silence" : "");
setup = setup->next;
}
- up(&pstr->oss.setup_mutex);
+ mutex_unlock(&pstr->oss.setup_mutex);
}
static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
{
- unsigned int idx;
- struct snd_pcm_substream *substream;
struct snd_pcm_oss_setup *setup, *setupn;
- for (idx = 0, substream = pstr->substream;
- idx < pstr->substream_count; idx++, substream = substream->next)
- substream->oss.setup = NULL;
for (setup = pstr->oss.setup_list, pstr->oss.setup_list = NULL;
setup; setup = setupn) {
setupn = setup->next;
struct snd_pcm_oss_setup *setup, *setup1, template;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
- down(&pstr->oss.setup_mutex);
+ mutex_lock(&pstr->oss.setup_mutex);
memset(&template, 0, sizeof(template));
ptr = snd_info_get_str(task_name, line, sizeof(task_name));
if (!strcmp(task_name, "clear") || !strcmp(task_name, "erase")) {
snd_pcm_oss_proc_free_setup_list(pstr);
- up(&pstr->oss.setup_mutex);
+ mutex_unlock(&pstr->oss.setup_mutex);
continue;
}
for (setup = pstr->oss.setup_list; setup; setup = setup->next) {
}
} while (*str);
if (setup == NULL) {
- setup = kmalloc(sizeof(struct snd_pcm_oss_setup), GFP_KERNEL);
- if (setup) {
- if (pstr->oss.setup_list == NULL) {
- pstr->oss.setup_list = setup;
- } else {
- for (setup1 = pstr->oss.setup_list; setup1->next; setup1 = setup1->next);
- setup1->next = setup;
- }
- template.task_name = kstrdup(task_name, GFP_KERNEL);
- } else {
+ setup = kmalloc(sizeof(*setup), GFP_KERNEL);
+ if (! setup) {
+ buffer->error = -ENOMEM;
+ mutex_lock(&pstr->oss.setup_mutex);
+ return;
+ }
+ if (pstr->oss.setup_list == NULL)
+ pstr->oss.setup_list = setup;
+ else {
+ for (setup1 = pstr->oss.setup_list;
+ setup1->next; setup1 = setup1->next);
+ setup1->next = setup;
+ }
+ template.task_name = kstrdup(task_name, GFP_KERNEL);
+ if (! template.task_name) {
+ kfree(setup);
buffer->error = -ENOMEM;
+ mutex_lock(&pstr->oss.setup_mutex);
+ return;
}
}
- if (setup)
- *setup = template;
- up(&pstr->oss.setup_mutex);
+ *setup = template;
+ mutex_unlock(&pstr->oss.setup_mutex);
}
}
if ((entry = snd_info_create_card_entry(pcm->card, "oss", pstr->proc_root)) != NULL) {
entry->content = SNDRV_INFO_CONTENT_TEXT;
entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
- entry->c.text.read_size = 8192;
entry->c.text.read = snd_pcm_oss_proc_read;
- entry->c.text.write_size = 8192;
entry->c.text.write = snd_pcm_oss_proc_write;
entry->private_data = pstr;
if (snd_info_register(entry) < 0) {
int stream;
for (stream = 0; stream < 2; ++stream) {
struct snd_pcm_str *pstr = &pcm->streams[stream];
- if (pstr->oss.proc_entry) {
- snd_info_unregister(pstr->oss.proc_entry);
- pstr->oss.proc_entry = NULL;
- snd_pcm_oss_proc_free_setup_list(pstr);
- }
+ snd_info_free_entry(pstr->oss.proc_entry);
+ pstr->oss.proc_entry = NULL;
+ snd_pcm_oss_proc_free_setup_list(pstr);
}
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_VERBOSE_PROCFS */
#define snd_pcm_oss_proc_init(pcm)
#define snd_pcm_oss_proc_done(pcm)
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_VERBOSE_PROCFS */
/*
* ENTRY functions
snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM,
pcm->card, 1);
}
- }
- return 0;
-}
-
-static int snd_pcm_oss_unregister_minor(struct snd_pcm *pcm)
-{
- snd_pcm_oss_disconnect_minor(pcm);
- if (pcm->oss.reg) {
if (dsp_map[pcm->card->number] == (int)pcm->device) {
#ifdef SNDRV_OSS_INFO_DEV_AUDIO
snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_AUDIO, pcm->card->number);
#endif
}
pcm->oss.reg = 0;
- snd_pcm_oss_proc_done(pcm);
}
return 0;
}
+static int snd_pcm_oss_unregister_minor(struct snd_pcm *pcm)
+{
+ snd_pcm_oss_disconnect_minor(pcm);
+ snd_pcm_oss_proc_done(pcm);
+ return 0;
+}
+
static struct snd_pcm_notify snd_pcm_oss_notify =
{
.n_register = snd_pcm_oss_register_minor,
git://git.onelab.eu / linux-2.6.git / blobdiff