*
* when runtime->silence_size >= runtime->boundary - fill processed area with silence immediately
*/
-void snd_pcm_playback_silence(snd_pcm_substream_t *substream, snd_pcm_uframes_t new_hw_ptr)
+void snd_pcm_playback_silence(struct snd_pcm_substream *substream, snd_pcm_uframes_t new_hw_ptr)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t frames, ofs, transfer;
if (runtime->silence_size < runtime->boundary) {
runtime->silence_filled = 0;
runtime->silence_start = runtime->control->appl_ptr;
}
- if (runtime->silence_filled == runtime->buffer_size)
+ if (runtime->silence_filled >= runtime->buffer_size)
return;
- snd_assert(runtime->silence_filled <= runtime->buffer_size, return);
noise_dist = snd_pcm_playback_hw_avail(runtime) + runtime->silence_filled;
if (noise_dist >= (snd_pcm_sframes_t) runtime->silence_threshold)
return;
}
}
-static inline snd_pcm_uframes_t snd_pcm_update_hw_ptr_pos(snd_pcm_substream_t *substream,
- snd_pcm_runtime_t *runtime)
+static void xrun(struct snd_pcm_substream *substream)
+{
+ snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ if (substream->pstr->xrun_debug) {
+ snd_printd(KERN_DEBUG "XRUN: pcmC%dD%d%c\n",
+ substream->pcm->card->number,
+ substream->pcm->device,
+ substream->stream ? 'c' : 'p');
+ if (substream->pstr->xrun_debug > 1)
+ dump_stack();
+ }
+#endif
+}
+
+static inline snd_pcm_uframes_t snd_pcm_update_hw_ptr_pos(struct snd_pcm_substream *substream,
+ struct snd_pcm_runtime *runtime)
{
snd_pcm_uframes_t pos;
pos = substream->ops->pointer(substream);
+ if (pos == SNDRV_PCM_POS_XRUN)
+ return pos; /* XRUN */
if (runtime->tstamp_mode & SNDRV_PCM_TSTAMP_MMAP)
- snd_timestamp_now((snd_timestamp_t*)&runtime->status->tstamp, runtime->tstamp_timespec);
+ getnstimeofday((struct timespec *)&runtime->status->tstamp);
#ifdef CONFIG_SND_DEBUG
if (pos >= runtime->buffer_size) {
snd_printk(KERN_ERR "BUG: stream = %i, pos = 0x%lx, buffer size = 0x%lx, period size = 0x%lx\n", substream->stream, pos, runtime->buffer_size, runtime->period_size);
- } else
+ }
#endif
- snd_runtime_check(pos < runtime->buffer_size, return 0);
pos -= pos % runtime->min_align;
return pos;
}
-static inline int snd_pcm_update_hw_ptr_post(snd_pcm_substream_t *substream,
- snd_pcm_runtime_t *runtime)
+static inline int snd_pcm_update_hw_ptr_post(struct snd_pcm_substream *substream,
+ struct snd_pcm_runtime *runtime)
{
snd_pcm_uframes_t avail;
if (avail > runtime->avail_max)
runtime->avail_max = avail;
if (avail >= runtime->stop_threshold) {
- snd_pcm_stop(substream,
- runtime->status->state == SNDRV_PCM_STATE_DRAINING ?
- SNDRV_PCM_STATE_SETUP : SNDRV_PCM_STATE_XRUN);
-#ifdef CONFIG_SND_DEBUG
- if (substream->pstr->xrun_debug) {
- snd_printd(KERN_DEBUG "XRUN: pcmC%dD%d%c\n",
- substream->pcm->card->number,
- substream->pcm->device,
- substream->stream ? 'c' : 'p');
- if (substream->pstr->xrun_debug > 1)
- dump_stack();
- }
-#endif
+ if (substream->runtime->status->state == SNDRV_PCM_STATE_DRAINING)
+ snd_pcm_drain_done(substream);
+ else
+ xrun(substream);
return -EPIPE;
}
if (avail >= runtime->control->avail_min)
return 0;
}
-static inline int snd_pcm_update_hw_ptr_interrupt(snd_pcm_substream_t *substream)
+static inline int snd_pcm_update_hw_ptr_interrupt(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t pos;
snd_pcm_uframes_t new_hw_ptr, hw_ptr_interrupt;
snd_pcm_sframes_t delta;
pos = snd_pcm_update_hw_ptr_pos(substream, runtime);
+ if (pos == SNDRV_PCM_POS_XRUN) {
+ xrun(substream);
+ return -EPIPE;
+ }
if (runtime->period_size == runtime->buffer_size)
goto __next_buf;
new_hw_ptr = runtime->hw_ptr_base + pos;
delta = hw_ptr_interrupt - new_hw_ptr;
if (delta > 0) {
if ((snd_pcm_uframes_t)delta < runtime->buffer_size / 2) {
-#ifdef CONFIG_SND_DEBUG
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
if (runtime->periods > 1 && substream->pstr->xrun_debug) {
snd_printd(KERN_ERR "Unexpected hw_pointer value [1] (stream = %i, delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n", substream->stream, (long) delta, runtime->buffer_size / 2);
if (substream->pstr->xrun_debug > 1)
}
/* CAUTION: call it with irq disabled */
-int snd_pcm_update_hw_ptr(snd_pcm_substream_t *substream)
+int snd_pcm_update_hw_ptr(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t pos;
snd_pcm_uframes_t old_hw_ptr, new_hw_ptr;
snd_pcm_sframes_t delta;
old_hw_ptr = runtime->status->hw_ptr;
pos = snd_pcm_update_hw_ptr_pos(substream, runtime);
+ if (pos == SNDRV_PCM_POS_XRUN) {
+ xrun(substream);
+ return -EPIPE;
+ }
new_hw_ptr = runtime->hw_ptr_base + pos;
delta = old_hw_ptr - new_hw_ptr;
if (delta > 0) {
if ((snd_pcm_uframes_t)delta < runtime->buffer_size / 2) {
-#ifdef CONFIG_SND_DEBUG
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
if (runtime->periods > 2 && substream->pstr->xrun_debug) {
snd_printd(KERN_ERR "Unexpected hw_pointer value [2] (stream = %i, delta: -%ld, max jitter = %ld): wrong interrupt acknowledge?\n", substream->stream, (long) delta, runtime->buffer_size / 2);
if (substream->pstr->xrun_debug > 1)
*
* Sets the given PCM operators to the pcm instance.
*/
-void snd_pcm_set_ops(snd_pcm_t *pcm, int direction, snd_pcm_ops_t *ops)
+void snd_pcm_set_ops(struct snd_pcm *pcm, int direction, struct snd_pcm_ops *ops)
{
- snd_pcm_str_t *stream = &pcm->streams[direction];
- snd_pcm_substream_t *substream;
+ struct snd_pcm_str *stream = &pcm->streams[direction];
+ struct snd_pcm_substream *substream;
for (substream = stream->substream; substream != NULL; substream = substream->next)
substream->ops = ops;
*
* Sets the PCM sync identifier for the card.
*/
-void snd_pcm_set_sync(snd_pcm_substream_t * substream)
+void snd_pcm_set_sync(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
runtime->sync.id32[0] = substream->pcm->card->number;
runtime->sync.id32[1] = -1;
return n;
}
-int snd_interval_refine_min(snd_interval_t *i, unsigned int min, int openmin)
+static int snd_interval_refine_min(struct snd_interval *i, unsigned int min, int openmin)
{
int changed = 0;
assert(!snd_interval_empty(i));
return changed;
}
-int snd_interval_refine_max(snd_interval_t *i, unsigned int max, int openmax)
+static int snd_interval_refine_max(struct snd_interval *i, unsigned int max, int openmax)
{
int changed = 0;
assert(!snd_interval_empty(i));
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-int snd_interval_refine(snd_interval_t *i, const snd_interval_t *v)
+int snd_interval_refine(struct snd_interval *i, const struct snd_interval *v)
{
int changed = 0;
assert(!snd_interval_empty(i));
return changed;
}
-int snd_interval_refine_first(snd_interval_t *i)
+static int snd_interval_refine_first(struct snd_interval *i)
{
assert(!snd_interval_empty(i));
if (snd_interval_single(i))
return 1;
}
-int snd_interval_refine_last(snd_interval_t *i)
+static int snd_interval_refine_last(struct snd_interval *i)
{
assert(!snd_interval_empty(i));
if (snd_interval_single(i))
return 1;
}
-int snd_interval_refine_set(snd_interval_t *i, unsigned int val)
+static int snd_interval_refine_set(struct snd_interval *i, unsigned int val)
{
- snd_interval_t t;
+ struct snd_interval t;
t.empty = 0;
t.min = t.max = val;
t.openmin = t.openmax = 0;
return snd_interval_refine(i, &t);
}
-void snd_interval_mul(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c)
+void snd_interval_mul(const struct snd_interval *a, const struct snd_interval *b, struct snd_interval *c)
{
if (a->empty || b->empty) {
snd_interval_none(c);
/**
* snd_interval_div - refine the interval value with division
+ * @a: dividend
+ * @b: divisor
+ * @c: quotient
*
* c = a / b
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-void snd_interval_div(const snd_interval_t *a, const snd_interval_t *b, snd_interval_t *c)
+void snd_interval_div(const struct snd_interval *a, const struct snd_interval *b, struct snd_interval *c)
{
unsigned int r;
if (a->empty || b->empty) {
/**
* snd_interval_muldivk - refine the interval value
- *
+ * @a: dividend 1
+ * @b: dividend 2
+ * @k: divisor (as integer)
+ * @c: result
+ *
* c = a * b / k
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-void snd_interval_muldivk(const snd_interval_t *a, const snd_interval_t *b,
- unsigned int k, snd_interval_t *c)
+void snd_interval_muldivk(const struct snd_interval *a, const struct snd_interval *b,
+ unsigned int k, struct snd_interval *c)
{
unsigned int r;
if (a->empty || b->empty) {
/**
* snd_interval_mulkdiv - refine the interval value
+ * @a: dividend 1
+ * @k: dividend 2 (as integer)
+ * @b: divisor
+ * @c: result
*
* c = a * k / b
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-void snd_interval_mulkdiv(const snd_interval_t *a, unsigned int k,
- const snd_interval_t *b, snd_interval_t *c)
+void snd_interval_mulkdiv(const struct snd_interval *a, unsigned int k,
+ const struct snd_interval *b, struct snd_interval *c)
{
unsigned int r;
if (a->empty || b->empty) {
/**
* snd_interval_ratnum - refine the interval value
+ * @i: interval to refine
+ * @rats_count: number of ratnum_t
+ * @rats: ratnum_t array
+ * @nump: pointer to store the resultant numerator
+ * @denp: pointer to store the resultant denominator
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-int snd_interval_ratnum(snd_interval_t *i,
- unsigned int rats_count, ratnum_t *rats,
- unsigned int *nump, unsigned int *denp)
+int snd_interval_ratnum(struct snd_interval *i,
+ unsigned int rats_count, struct snd_ratnum *rats,
+ unsigned int *nump, unsigned int *denp)
{
unsigned int best_num, best_diff, best_den;
unsigned int k;
- snd_interval_t t;
+ struct snd_interval t;
int err;
best_num = best_den = best_diff = 0;
/**
* snd_interval_ratden - refine the interval value
+ * @i: interval to refine
+ * @rats_count: number of struct ratden
+ * @rats: struct ratden array
+ * @nump: pointer to store the resultant numerator
+ * @denp: pointer to store the resultant denominator
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-int snd_interval_ratden(snd_interval_t *i,
- unsigned int rats_count, ratden_t *rats,
- unsigned int *nump, unsigned int *denp)
+static int snd_interval_ratden(struct snd_interval *i,
+ unsigned int rats_count, struct snd_ratden *rats,
+ unsigned int *nump, unsigned int *denp)
{
unsigned int best_num, best_diff, best_den;
unsigned int k;
- snd_interval_t t;
+ struct snd_interval t;
int err;
best_num = best_den = best_diff = 0;
*
* Returns non-zero if the value is changed, zero if not changed.
*/
-int snd_interval_list(snd_interval_t *i, unsigned int count, unsigned int *list, unsigned int mask)
+int snd_interval_list(struct snd_interval *i, unsigned int count, unsigned int *list, unsigned int mask)
{
unsigned int k;
int changed = 0;
return changed;
}
-int snd_interval_step(snd_interval_t *i, unsigned int min, unsigned int step)
+static int snd_interval_step(struct snd_interval *i, unsigned int min, unsigned int step)
{
unsigned int n;
int changed = 0;
*
* Returns zero if successful, or a negative error code on failure.
*/
-int snd_pcm_hw_rule_add(snd_pcm_runtime_t *runtime, unsigned int cond,
+int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
int var,
snd_pcm_hw_rule_func_t func, void *private,
int dep, ...)
{
- snd_pcm_hw_constraints_t *constrs = &runtime->hw_constraints;
- snd_pcm_hw_rule_t *c;
+ struct snd_pcm_hw_constraints *constrs = &runtime->hw_constraints;
+ struct snd_pcm_hw_rule *c;
unsigned int k;
va_list args;
va_start(args, dep);
if (constrs->rules_num >= constrs->rules_all) {
- snd_pcm_hw_rule_t *old = constrs->rules;
- if (constrs->rules_all == 0)
- constrs->rules_all = 32;
- else {
- old = constrs->rules;
- constrs->rules_all += 10;
- }
- constrs->rules = snd_kcalloc(constrs->rules_all * sizeof(*c),
- GFP_KERNEL);
- if (!constrs->rules)
+ struct snd_pcm_hw_rule *new;
+ unsigned int new_rules = constrs->rules_all + 16;
+ new = kcalloc(new_rules, sizeof(*c), GFP_KERNEL);
+ if (!new)
return -ENOMEM;
- if (old) {
- memcpy(constrs->rules, old,
+ if (constrs->rules) {
+ memcpy(new, constrs->rules,
constrs->rules_num * sizeof(*c));
- kfree(old);
+ kfree(constrs->rules);
}
+ constrs->rules = new;
+ constrs->rules_all = new_rules;
}
c = &constrs->rules[constrs->rules_num];
c->cond = cond;
c->private = private;
k = 0;
while (1) {
- snd_assert(k < sizeof(c->deps) / sizeof(c->deps[0]), return -EINVAL);
+ snd_assert(k < ARRAY_SIZE(c->deps), return -EINVAL);
c->deps[k++] = dep;
if (dep < 0)
break;
/**
* snd_pcm_hw_constraint_mask
+ * @runtime: PCM runtime instance
+ * @var: hw_params variable to apply the mask
+ * @mask: the bitmap mask
+ *
+ * Apply the constraint of the given bitmap mask to a mask parameter.
*/
-int snd_pcm_hw_constraint_mask(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var,
+int snd_pcm_hw_constraint_mask(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
u_int32_t mask)
{
- snd_pcm_hw_constraints_t *constrs = &runtime->hw_constraints;
- snd_mask_t *maskp = constrs_mask(constrs, var);
+ struct snd_pcm_hw_constraints *constrs = &runtime->hw_constraints;
+ struct snd_mask *maskp = constrs_mask(constrs, var);
*maskp->bits &= mask;
memset(maskp->bits + 1, 0, (SNDRV_MASK_MAX-32) / 8); /* clear rest */
if (*maskp->bits == 0)
/**
* snd_pcm_hw_constraint_mask64
+ * @runtime: PCM runtime instance
+ * @var: hw_params variable to apply the mask
+ * @mask: the 64bit bitmap mask
+ *
+ * Apply the constraint of the given bitmap mask to a mask parameter.
*/
-int snd_pcm_hw_constraint_mask64(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var,
+int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
u_int64_t mask)
{
- snd_pcm_hw_constraints_t *constrs = &runtime->hw_constraints;
- snd_mask_t *maskp = constrs_mask(constrs, var);
+ struct snd_pcm_hw_constraints *constrs = &runtime->hw_constraints;
+ struct snd_mask *maskp = constrs_mask(constrs, var);
maskp->bits[0] &= (u_int32_t)mask;
maskp->bits[1] &= (u_int32_t)(mask >> 32);
memset(maskp->bits + 2, 0, (SNDRV_MASK_MAX-64) / 8); /* clear rest */
/**
* snd_pcm_hw_constraint_integer
+ * @runtime: PCM runtime instance
+ * @var: hw_params variable to apply the integer constraint
+ *
+ * Apply the constraint of integer to an interval parameter.
*/
-int snd_pcm_hw_constraint_integer(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var)
+int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var)
{
- snd_pcm_hw_constraints_t *constrs = &runtime->hw_constraints;
+ struct snd_pcm_hw_constraints *constrs = &runtime->hw_constraints;
return snd_interval_setinteger(constrs_interval(constrs, var));
}
/**
* snd_pcm_hw_constraint_minmax
+ * @runtime: PCM runtime instance
+ * @var: hw_params variable to apply the range
+ * @min: the minimal value
+ * @max: the maximal value
+ *
+ * Apply the min/max range constraint to an interval parameter.
*/
-int snd_pcm_hw_constraint_minmax(snd_pcm_runtime_t *runtime, snd_pcm_hw_param_t var,
+int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime *runtime, snd_pcm_hw_param_t var,
unsigned int min, unsigned int max)
{
- snd_pcm_hw_constraints_t *constrs = &runtime->hw_constraints;
- snd_interval_t t;
+ struct snd_pcm_hw_constraints *constrs = &runtime->hw_constraints;
+ struct snd_interval t;
t.min = min;
t.max = max;
t.openmin = t.openmax = 0;
return snd_interval_refine(constrs_interval(constrs, var), &t);
}
-static int snd_pcm_hw_rule_list(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_list(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_pcm_hw_constraint_list_t *list = rule->private;
+ struct snd_pcm_hw_constraint_list *list = rule->private;
return snd_interval_list(hw_param_interval(params, rule->var), list->count, list->list, list->mask);
}
/**
* snd_pcm_hw_constraint_list
+ * @runtime: PCM runtime instance
+ * @cond: condition bits
+ * @var: hw_params variable to apply the list constraint
+ * @l: list
+ *
+ * Apply the list of constraints to an interval parameter.
*/
-int snd_pcm_hw_constraint_list(snd_pcm_runtime_t *runtime,
+int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime,
unsigned int cond,
snd_pcm_hw_param_t var,
- snd_pcm_hw_constraint_list_t *l)
+ struct snd_pcm_hw_constraint_list *l)
{
return snd_pcm_hw_rule_add(runtime, cond, var,
snd_pcm_hw_rule_list, l,
var, -1);
}
-static int snd_pcm_hw_rule_ratnums(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_ratnums(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_pcm_hw_constraint_ratnums_t *r = rule->private;
+ struct snd_pcm_hw_constraint_ratnums *r = rule->private;
unsigned int num = 0, den = 0;
int err;
err = snd_interval_ratnum(hw_param_interval(params, rule->var),
/**
* snd_pcm_hw_constraint_ratnums
+ * @runtime: PCM runtime instance
+ * @cond: condition bits
+ * @var: hw_params variable to apply the ratnums constraint
+ * @r: struct snd_ratnums constriants
*/
-int snd_pcm_hw_constraint_ratnums(snd_pcm_runtime_t *runtime,
+int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime,
unsigned int cond,
snd_pcm_hw_param_t var,
- snd_pcm_hw_constraint_ratnums_t *r)
+ struct snd_pcm_hw_constraint_ratnums *r)
{
return snd_pcm_hw_rule_add(runtime, cond, var,
snd_pcm_hw_rule_ratnums, r,
var, -1);
}
-static int snd_pcm_hw_rule_ratdens(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_ratdens(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- snd_pcm_hw_constraint_ratdens_t *r = rule->private;
+ struct snd_pcm_hw_constraint_ratdens *r = rule->private;
unsigned int num = 0, den = 0;
int err = snd_interval_ratden(hw_param_interval(params, rule->var),
r->nrats, r->rats, &num, &den);
/**
* snd_pcm_hw_constraint_ratdens
+ * @runtime: PCM runtime instance
+ * @cond: condition bits
+ * @var: hw_params variable to apply the ratdens constraint
+ * @r: struct snd_ratdens constriants
*/
-int snd_pcm_hw_constraint_ratdens(snd_pcm_runtime_t *runtime,
+int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime *runtime,
unsigned int cond,
snd_pcm_hw_param_t var,
- snd_pcm_hw_constraint_ratdens_t *r)
+ struct snd_pcm_hw_constraint_ratdens *r)
{
return snd_pcm_hw_rule_add(runtime, cond, var,
snd_pcm_hw_rule_ratdens, r,
var, -1);
}
-static int snd_pcm_hw_rule_msbits(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_msbits(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
unsigned int l = (unsigned long) rule->private;
int width = l & 0xffff;
unsigned int msbits = l >> 16;
- snd_interval_t *i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS);
+ struct snd_interval *i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS);
if (snd_interval_single(i) && snd_interval_value(i) == width)
params->msbits = msbits;
return 0;
/**
* snd_pcm_hw_constraint_msbits
+ * @runtime: PCM runtime instance
+ * @cond: condition bits
+ * @width: sample bits width
+ * @msbits: msbits width
*/
-int snd_pcm_hw_constraint_msbits(snd_pcm_runtime_t *runtime,
+int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime *runtime,
unsigned int cond,
unsigned int width,
unsigned int msbits)
SNDRV_PCM_HW_PARAM_SAMPLE_BITS, -1);
}
-static int snd_pcm_hw_rule_step(snd_pcm_hw_params_t *params,
- snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_step(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
unsigned long step = (unsigned long) rule->private;
return snd_interval_step(hw_param_interval(params, rule->var), 0, step);
/**
* snd_pcm_hw_constraint_step
+ * @runtime: PCM runtime instance
+ * @cond: condition bits
+ * @var: hw_params variable to apply the step constraint
+ * @step: step size
*/
-int snd_pcm_hw_constraint_step(snd_pcm_runtime_t *runtime,
+int snd_pcm_hw_constraint_step(struct snd_pcm_runtime *runtime,
unsigned int cond,
snd_pcm_hw_param_t var,
unsigned long step)
var, -1);
}
-static int snd_pcm_hw_rule_pow2(snd_pcm_hw_params_t *params, snd_pcm_hw_rule_t *rule)
+static int snd_pcm_hw_rule_pow2(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule)
{
static int pow2_sizes[] = {
1<<0, 1<<1, 1<<2, 1<<3, 1<<4, 1<<5, 1<<6, 1<<7,
1<<24, 1<<25, 1<<26, 1<<27, 1<<28, 1<<29, 1<<30
};
return snd_interval_list(hw_param_interval(params, rule->var),
- sizeof(pow2_sizes)/sizeof(int), pow2_sizes, 0);
+ ARRAY_SIZE(pow2_sizes), pow2_sizes, 0);
}
/**
* snd_pcm_hw_constraint_pow2
+ * @runtime: PCM runtime instance
+ * @cond: condition bits
+ * @var: hw_params variable to apply the power-of-2 constraint
*/
-int snd_pcm_hw_constraint_pow2(snd_pcm_runtime_t *runtime,
+int snd_pcm_hw_constraint_pow2(struct snd_pcm_runtime *runtime,
unsigned int cond,
snd_pcm_hw_param_t var)
{
}
/* To use the same code we have in alsa-lib */
-#define snd_pcm_t snd_pcm_substream_t
#define assert(i) snd_assert((i), return -EINVAL)
#ifndef INT_MIN
#define INT_MIN ((int)((unsigned int)INT_MAX+1))
#endif
-void _snd_pcm_hw_param_any(snd_pcm_hw_params_t *params, snd_pcm_hw_param_t var)
+static void _snd_pcm_hw_param_any(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var)
{
if (hw_is_mask(var)) {
snd_mask_any(hw_param_mask(params, var));
snd_BUG();
}
-/**
+#if 0
+/*
* snd_pcm_hw_param_any
*/
-int snd_pcm_hw_param_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+int snd_pcm_hw_param_any(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params,
snd_pcm_hw_param_t var)
{
_snd_pcm_hw_param_any(params, var);
return snd_pcm_hw_refine(pcm, params);
}
+#endif /* 0 */
-void _snd_pcm_hw_params_any(snd_pcm_hw_params_t *params)
+void _snd_pcm_hw_params_any(struct snd_pcm_hw_params *params)
{
unsigned int k;
memset(params, 0, sizeof(*params));
params->info = ~0U;
}
-/**
+#if 0
+/*
* snd_pcm_hw_params_any
*
* Fill PARAMS with full configuration space boundaries
*/
-int snd_pcm_hw_params_any(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+int snd_pcm_hw_params_any(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params)
{
_snd_pcm_hw_params_any(params);
return snd_pcm_hw_refine(pcm, params);
}
+#endif /* 0 */
/**
* snd_pcm_hw_param_value
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
*
* Return the value for field PAR if it's fixed in configuration space
* defined by PARAMS. Return -EINVAL otherwise
*/
-int snd_pcm_hw_param_value(const snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, int *dir)
+static int snd_pcm_hw_param_value(const struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
{
if (hw_is_mask(var)) {
- const snd_mask_t *mask = hw_param_mask_c(params, var);
+ const struct snd_mask *mask = hw_param_mask_c(params, var);
if (!snd_mask_single(mask))
return -EINVAL;
if (dir)
return snd_mask_value(mask);
}
if (hw_is_interval(var)) {
- const snd_interval_t *i = hw_param_interval_c(params, var);
+ const struct snd_interval *i = hw_param_interval_c(params, var);
if (!snd_interval_single(i))
return -EINVAL;
if (dir)
/**
* 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.
*/
-unsigned int snd_pcm_hw_param_value_min(const snd_pcm_hw_params_t *params,
+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)) {
return snd_mask_min(hw_param_mask_c(params, var));
}
if (hw_is_interval(var)) {
- const snd_interval_t *i = hw_param_interval_c(params, var);
+ const struct snd_interval *i = hw_param_interval_c(params, var);
if (dir)
*dir = i->openmin;
return snd_interval_min(i);
/**
* 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.
*/
-unsigned int snd_pcm_hw_param_value_max(const snd_pcm_hw_params_t *params,
+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)) {
return snd_mask_max(hw_param_mask_c(params, var));
}
if (hw_is_interval(var)) {
- const snd_interval_t *i = hw_param_interval_c(params, 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;
}
-void _snd_pcm_hw_param_setempty(snd_pcm_hw_params_t *params,
+void _snd_pcm_hw_param_setempty(struct snd_pcm_hw_params *params,
snd_pcm_hw_param_t var)
{
if (hw_is_mask(var)) {
}
}
-int _snd_pcm_hw_param_setinteger(snd_pcm_hw_params_t *params,
+int _snd_pcm_hw_param_setinteger(struct snd_pcm_hw_params *params,
snd_pcm_hw_param_t var)
{
int changed;
return changed;
}
-/**
+#if 0
+/*
* snd_pcm_hw_param_setinteger
*
* Inside configuration space defined by PARAMS remove from PAR all
* non integer values. Reduce configuration space accordingly.
* Return -EINVAL if the configuration space is empty
*/
-int snd_pcm_hw_param_setinteger(snd_pcm_t *pcm,
- snd_pcm_hw_params_t *params,
+int snd_pcm_hw_param_setinteger(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
snd_pcm_hw_param_t var)
{
int changed = _snd_pcm_hw_param_setinteger(params, var);
}
return 0;
}
+#endif /* 0 */
-int _snd_pcm_hw_param_first(snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var)
+static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var)
{
int changed;
if (hw_is_mask(var))
/**
* snd_pcm_hw_param_first
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
*
* Inside configuration space defined by PARAMS remove from PAR all
* values > minimum. Reduce configuration space accordingly.
* Return the minimum.
*/
-int snd_pcm_hw_param_first(snd_pcm_t *pcm,
- snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, int *dir)
+static int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
{
int changed = _snd_pcm_hw_param_first(params, var);
if (changed < 0)
return snd_pcm_hw_param_value(params, var, dir);
}
-int _snd_pcm_hw_param_last(snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var)
+static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var)
{
int changed;
if (hw_is_mask(var))
/**
* snd_pcm_hw_param_last
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
*
* Inside configuration space defined by PARAMS remove from PAR all
* values < maximum. Reduce configuration space accordingly.
* Return the maximum.
*/
-int snd_pcm_hw_param_last(snd_pcm_t *pcm,
- snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, int *dir)
+static int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
{
int changed = _snd_pcm_hw_param_last(params, var);
if (changed < 0)
return snd_pcm_hw_param_value(params, var, dir);
}
-int _snd_pcm_hw_param_min(snd_pcm_hw_params_t *params,
+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;
/**
* 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
*/
-int snd_pcm_hw_param_min(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, unsigned int val, int *dir)
+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 snd_pcm_hw_param_value_min(params, var, dir);
}
-int _snd_pcm_hw_param_max(snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, unsigned int val, int 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;
/**
* 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
*/
-int snd_pcm_hw_param_max(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, unsigned int val, int *dir)
+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 snd_pcm_hw_param_value_max(params, var, dir);
}
-int _snd_pcm_hw_param_set(snd_pcm_hw_params_t *params,
+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)) {
- snd_mask_t *m = hw_param_mask(params, var);
+ struct snd_mask *m = hw_param_mask(params, var);
if (val == 0 && dir < 0) {
changed = -EINVAL;
snd_mask_none(m);
changed = snd_mask_refine_set(hw_param_mask(params, var), val);
}
} else if (hw_is_interval(var)) {
- snd_interval_t *i = hw_param_interval(params, 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 {
- snd_interval_t t;
+ struct snd_interval t;
t.openmin = 1;
t.openmax = 1;
t.empty = 0;
/**
* 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
*/
-int snd_pcm_hw_param_set(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+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 (err < 0)
return err;
}
- return snd_pcm_hw_param_value(params, var, 0);
+ return snd_pcm_hw_param_value(params, var, NULL);
}
-int _snd_pcm_hw_param_mask(snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, const snd_mask_t *val)
+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;
assert(hw_is_mask(var));
/**
* snd_pcm_hw_param_mask
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: mask to apply
*
* Inside configuration space defined by PARAMS remove from PAR all values
* not contained in MASK. Reduce configuration space accordingly.
* Return 0 on success or -EINVAL
* if the configuration space is empty
*/
-int snd_pcm_hw_param_mask(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
- snd_pcm_hw_param_t var, const snd_mask_t *val)
+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)
/**
* 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.
* SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_SUBFORMAT.
* Return the value found.
*/
-int snd_pcm_hw_param_near(snd_pcm_t *pcm, snd_pcm_hw_params_t *params,
+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)
{
- snd_pcm_hw_params_t *save = NULL;
+ struct snd_pcm_hw_params *save = NULL;
int v;
unsigned int saved_min;
int last = 0;
saved_min = min;
min = snd_pcm_hw_param_min(pcm, params, var, min, &mindir);
if (min >= 0) {
- snd_pcm_hw_params_t *params1;
+ struct snd_pcm_hw_params *params1;
if (max < 0)
goto _end;
if ((unsigned int)min == saved_min && mindir == valdir)
/**
* snd_pcm_hw_param_choose
+ * @pcm: PCM instance
+ * @params: the hw_params instance
*
* Choose one configuration from configuration space defined by PARAMS
* The configuration chosen is that obtained fixing in this order:
* first access, first format, first subformat, min channels,
* min rate, min period time, max buffer size, min tick time
*/
-int snd_pcm_hw_params_choose(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
+int snd_pcm_hw_params_choose(struct snd_pcm_substream *pcm, struct snd_pcm_hw_params *params)
{
int err;
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_ACCESS, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_ACCESS, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_FORMAT, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_FORMAT, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_SUBFORMAT, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_SUBFORMAT, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_CHANNELS, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_CHANNELS, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_RATE, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_RATE, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_PERIOD_TIME, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_PERIOD_TIME, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_last(pcm, params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0);
+ err = snd_pcm_hw_param_last(pcm, params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL);
assert(err >= 0);
- err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_TICK_TIME, 0);
+ err = snd_pcm_hw_param_first(pcm, params, SNDRV_PCM_HW_PARAM_TICK_TIME, NULL);
assert(err >= 0);
return 0;
}
-#undef snd_pcm_t
#undef assert
-static int snd_pcm_lib_ioctl_reset(snd_pcm_substream_t *substream,
+static int snd_pcm_lib_ioctl_reset(struct snd_pcm_substream *substream,
void *arg)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ unsigned long flags;
+ snd_pcm_stream_lock_irqsave(substream, flags);
if (snd_pcm_running(substream) &&
- snd_pcm_update_hw_ptr(substream) >= 0) {
+ snd_pcm_update_hw_ptr(substream) >= 0)
runtime->status->hw_ptr %= runtime->buffer_size;
- return 0;
- }
- runtime->status->hw_ptr = 0;
+ else
+ runtime->status->hw_ptr = 0;
+ snd_pcm_stream_unlock_irqrestore(substream, flags);
return 0;
}
-static int snd_pcm_lib_ioctl_channel_info(snd_pcm_substream_t *substream,
+static int snd_pcm_lib_ioctl_channel_info(struct snd_pcm_substream *substream,
void *arg)
{
- snd_pcm_channel_info_t *info = arg;
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_channel_info *info = arg;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int width;
if (!(runtime->info & SNDRV_PCM_INFO_MMAP)) {
info->offset = -1;
*
* Returns zero if successful, or a negative error code on failure.
*/
-int snd_pcm_lib_ioctl(snd_pcm_substream_t *substream,
+int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
switch (cmd) {
* Conditions
*/
-/**
- * snd_pcm_playback_ready - check whether the playback buffer is available
- * @substream: the pcm substream instance
- *
- * Checks whether enough free space is available on the playback buffer.
- *
- * Returns non-zero if available, or zero if not.
- */
-int snd_pcm_playback_ready(snd_pcm_substream_t *substream)
-{
- snd_pcm_runtime_t *runtime = substream->runtime;
- return snd_pcm_playback_avail(runtime) >= runtime->control->avail_min;
-}
-
-/**
- * snd_pcm_capture_ready - check whether the capture buffer is available
- * @substream: the pcm substream instance
- *
- * Checks whether enough capture data is available on the capture buffer.
- *
- * Returns non-zero if available, or zero if not.
- */
-int snd_pcm_capture_ready(snd_pcm_substream_t *substream)
-{
- snd_pcm_runtime_t *runtime = substream->runtime;
- return snd_pcm_capture_avail(runtime) >= runtime->control->avail_min;
-}
-
-/**
- * snd_pcm_playback_data - check whether any data exists on the playback buffer
- * @substream: the pcm substream instance
- *
- * Checks whether any data exists on the playback buffer. If stop_threshold
- * is bigger or equal to boundary, then this function returns always non-zero.
- *
- * Returns non-zero if exists, or zero if not.
- */
-int snd_pcm_playback_data(snd_pcm_substream_t *substream)
-{
- snd_pcm_runtime_t *runtime = substream->runtime;
-
- if (runtime->stop_threshold >= runtime->boundary)
- return 1;
- return snd_pcm_playback_avail(runtime) < runtime->buffer_size;
-}
-
-/**
- * snd_pcm_playback_empty - check whether the playback buffer is empty
- * @substream: the pcm substream instance
- *
- * Checks whether the playback buffer is empty.
- *
- * Returns non-zero if empty, or zero if not.
- */
-int snd_pcm_playback_empty(snd_pcm_substream_t *substream)
-{
- snd_pcm_runtime_t *runtime = substream->runtime;
- return snd_pcm_playback_avail(runtime) >= runtime->buffer_size;
-}
-
-/**
- * snd_pcm_capture_empty - check whether the capture buffer is empty
- * @substream: the pcm substream instance
- *
- * Checks whether the capture buffer is empty.
- *
- * Returns non-zero if empty, or zero if not.
- */
-int snd_pcm_capture_empty(snd_pcm_substream_t *substream)
-{
- snd_pcm_runtime_t *runtime = substream->runtime;
- return snd_pcm_capture_avail(runtime) == 0;
-}
-
-static void snd_pcm_system_tick_set(snd_pcm_substream_t *substream,
+static void snd_pcm_system_tick_set(struct snd_pcm_substream *substream,
unsigned long ticks)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
if (ticks == 0)
del_timer(&runtime->tick_timer);
else {
+ ticks += (1000000 / HZ) - 1;
ticks /= (1000000 / HZ);
- if (ticks % (1000000 / HZ))
- ticks++;
mod_timer(&runtime->tick_timer, jiffies + ticks);
}
}
/* Temporary alias */
-void snd_pcm_tick_set(snd_pcm_substream_t *substream, unsigned long ticks)
+void snd_pcm_tick_set(struct snd_pcm_substream *substream, unsigned long ticks)
{
snd_pcm_system_tick_set(substream, ticks);
}
-void snd_pcm_tick_prepare(snd_pcm_substream_t *substream)
+void snd_pcm_tick_prepare(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t frames = ULONG_MAX;
snd_pcm_uframes_t avail, dist;
unsigned int ticks;
runtime->silence_filled < runtime->buffer_size) {
snd_pcm_sframes_t noise_dist;
noise_dist = snd_pcm_playback_hw_avail(runtime) + runtime->silence_filled;
- snd_assert(noise_dist <= (snd_pcm_sframes_t)runtime->silence_threshold, );
- frames = noise_dist - runtime->silence_threshold;
+ if (noise_dist > (snd_pcm_sframes_t)runtime->silence_threshold)
+ frames = noise_dist - runtime->silence_threshold;
}
avail = snd_pcm_playback_avail(runtime);
} else {
snd_pcm_tick_set(substream, (unsigned long) ticks);
}
-void snd_pcm_tick_elapsed(snd_pcm_substream_t *substream)
+void snd_pcm_tick_elapsed(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
unsigned long flags;
snd_assert(substream != NULL, return);
* Even if more than one periods have elapsed since the last call, you
* have to call this only once.
*/
-void snd_pcm_period_elapsed(snd_pcm_substream_t *substream)
+void snd_pcm_period_elapsed(struct snd_pcm_substream *substream)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
unsigned long flags;
snd_assert(substream != NULL, return);
kill_fasync(&runtime->fasync, SIGIO, POLL_IN);
}
-static int snd_pcm_lib_write_transfer(snd_pcm_substream_t *substream,
+static int snd_pcm_lib_write_transfer(struct snd_pcm_substream *substream,
unsigned int hwoff,
unsigned long data, unsigned int off,
snd_pcm_uframes_t frames)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int err;
char __user *buf = (char __user *) data + frames_to_bytes(runtime, off);
if (substream->ops->copy) {
return 0;
}
-typedef int (*transfer_f)(snd_pcm_substream_t *substream, unsigned int hwoff,
+typedef int (*transfer_f)(struct snd_pcm_substream *substream, unsigned int hwoff,
unsigned long data, unsigned int off,
snd_pcm_uframes_t size);
-static snd_pcm_sframes_t snd_pcm_lib_write1(snd_pcm_substream_t *substream,
+static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream,
unsigned long data,
snd_pcm_uframes_t size,
int nonblock,
transfer_f transfer)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t xfer = 0;
snd_pcm_uframes_t offset = 0;
int err = 0;
if (((avail < runtime->control->avail_min && size > avail) ||
(size >= runtime->xfer_align && avail < runtime->xfer_align))) {
wait_queue_t wait;
- enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED } state;
+ enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED, DROPPED } state;
long tout;
if (nonblock) {
case SNDRV_PCM_STATE_SUSPENDED:
state = SUSPENDED;
goto _end_loop;
+ case SNDRV_PCM_STATE_SETUP:
+ state = DROPPED;
+ goto _end_loop;
default:
break;
}
snd_printd("playback write error (DMA or IRQ trouble?)\n");
err = -EIO;
goto _end_unlock;
+ case DROPPED:
+ err = -EBADFD;
+ goto _end_unlock;
default:
break;
}
break;
}
appl_ptr += frames;
- if (appl_ptr >= runtime->boundary) {
- runtime->control->appl_ptr = 0;
- } else {
- runtime->control->appl_ptr = appl_ptr;
- }
+ if (appl_ptr >= runtime->boundary)
+ appl_ptr -= runtime->boundary;
+ runtime->control->appl_ptr = appl_ptr;
if (substream->ops->ack)
substream->ops->ack(substream);
return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
}
-snd_pcm_sframes_t snd_pcm_lib_write(snd_pcm_substream_t *substream, const void __user *buf, snd_pcm_uframes_t size)
+snd_pcm_sframes_t snd_pcm_lib_write(struct snd_pcm_substream *substream, const void __user *buf, snd_pcm_uframes_t size)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
int nonblock;
snd_assert(substream != NULL, return -ENXIO);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- snd_pcm_oss_setup_t *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED &&
runtime->channels > 1)
snd_pcm_lib_write_transfer);
}
-static int snd_pcm_lib_writev_transfer(snd_pcm_substream_t *substream,
+static int snd_pcm_lib_writev_transfer(struct snd_pcm_substream *substream,
unsigned int hwoff,
unsigned long data, unsigned int off,
snd_pcm_uframes_t frames)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int err;
void __user **bufs = (void __user **)data;
int channels = runtime->channels;
return 0;
}
-snd_pcm_sframes_t snd_pcm_lib_writev(snd_pcm_substream_t *substream,
+snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream,
void __user **bufs,
snd_pcm_uframes_t frames)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
int nonblock;
snd_assert(substream != NULL, return -ENXIO);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- snd_pcm_oss_setup_t *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
return -EINVAL;
nonblock, snd_pcm_lib_writev_transfer);
}
-static int snd_pcm_lib_read_transfer(snd_pcm_substream_t *substream,
+static int snd_pcm_lib_read_transfer(struct snd_pcm_substream *substream,
unsigned int hwoff,
unsigned long data, unsigned int off,
snd_pcm_uframes_t frames)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int err;
char __user *buf = (char __user *) data + frames_to_bytes(runtime, off);
if (substream->ops->copy) {
return 0;
}
-static snd_pcm_sframes_t snd_pcm_lib_read1(snd_pcm_substream_t *substream,
+static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream,
unsigned long data,
snd_pcm_uframes_t size,
int nonblock,
transfer_f transfer)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t xfer = 0;
snd_pcm_uframes_t offset = 0;
int err = 0;
} else if ((avail < runtime->control->avail_min && size > avail) ||
(size >= runtime->xfer_align && avail < runtime->xfer_align)) {
wait_queue_t wait;
- enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED } state;
+ enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED, DROPPED } state;
long tout;
if (nonblock) {
goto _end_loop;
case SNDRV_PCM_STATE_DRAINING:
goto __draining;
+ case SNDRV_PCM_STATE_SETUP:
+ state = DROPPED;
+ goto _end_loop;
default:
break;
}
snd_printd("capture read error (DMA or IRQ trouble?)\n");
err = -EIO;
goto _end_unlock;
+ case DROPPED:
+ err = -EBADFD;
+ goto _end_unlock;
default:
break;
}
break;
}
appl_ptr += frames;
- if (appl_ptr >= runtime->boundary) {
- runtime->control->appl_ptr = 0;
- } else {
- runtime->control->appl_ptr = appl_ptr;
- }
+ if (appl_ptr >= runtime->boundary)
+ appl_ptr -= runtime->boundary;
+ runtime->control->appl_ptr = appl_ptr;
if (substream->ops->ack)
substream->ops->ack(substream);
return xfer > 0 ? (snd_pcm_sframes_t)xfer : err;
}
-snd_pcm_sframes_t snd_pcm_lib_read(snd_pcm_substream_t *substream, void __user *buf, snd_pcm_uframes_t size)
+snd_pcm_sframes_t snd_pcm_lib_read(struct snd_pcm_substream *substream, void __user *buf, snd_pcm_uframes_t size)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
int nonblock;
snd_assert(substream != NULL, return -ENXIO);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- snd_pcm_oss_setup_t *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
if (runtime->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED)
return -EINVAL;
return snd_pcm_lib_read1(substream, (unsigned long)buf, size, nonblock, snd_pcm_lib_read_transfer);
}
-static int snd_pcm_lib_readv_transfer(snd_pcm_substream_t *substream,
+static int snd_pcm_lib_readv_transfer(struct snd_pcm_substream *substream,
unsigned int hwoff,
unsigned long data, unsigned int off,
snd_pcm_uframes_t frames)
{
- snd_pcm_runtime_t *runtime = substream->runtime;
+ struct snd_pcm_runtime *runtime = substream->runtime;
int err;
void __user **bufs = (void __user **)data;
int channels = runtime->channels;
return 0;
}
-snd_pcm_sframes_t snd_pcm_lib_readv(snd_pcm_substream_t *substream,
+snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream,
void __user **bufs,
snd_pcm_uframes_t frames)
{
- snd_pcm_runtime_t *runtime;
+ struct snd_pcm_runtime *runtime;
int nonblock;
snd_assert(substream != NULL, return -ENXIO);
if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
return -EBADFD;
- snd_assert(substream->ffile != NULL, return -ENXIO);
nonblock = !!(substream->ffile->f_flags & O_NONBLOCK);
-#if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
- if (substream->oss.oss) {
- snd_pcm_oss_setup_t *setup = substream->oss.setup;
- if (setup != NULL) {
- if (setup->nonblock)
- nonblock = 1;
- else if (setup->block)
- nonblock = 0;
- }
- }
-#endif
-
if (runtime->access != SNDRV_PCM_ACCESS_RW_NONINTERLEAVED)
return -EINVAL;
return snd_pcm_lib_read1(substream, (unsigned long)bufs, frames, nonblock, snd_pcm_lib_readv_transfer);
EXPORT_SYMBOL(snd_interval_refine);
EXPORT_SYMBOL(snd_interval_list);
EXPORT_SYMBOL(snd_interval_ratnum);
-EXPORT_SYMBOL(snd_interval_ratden);
-EXPORT_SYMBOL(snd_interval_muldivk);
-EXPORT_SYMBOL(snd_interval_mulkdiv);
-EXPORT_SYMBOL(snd_interval_div);
EXPORT_SYMBOL(_snd_pcm_hw_params_any);
EXPORT_SYMBOL(_snd_pcm_hw_param_min);
EXPORT_SYMBOL(_snd_pcm_hw_param_set);
EXPORT_SYMBOL(snd_pcm_set_ops);
EXPORT_SYMBOL(snd_pcm_set_sync);
EXPORT_SYMBOL(snd_pcm_lib_ioctl);
-EXPORT_SYMBOL(snd_pcm_playback_ready);
-EXPORT_SYMBOL(snd_pcm_capture_ready);
-EXPORT_SYMBOL(snd_pcm_playback_data);
-EXPORT_SYMBOL(snd_pcm_capture_empty);
EXPORT_SYMBOL(snd_pcm_stop);
EXPORT_SYMBOL(snd_pcm_period_elapsed);
EXPORT_SYMBOL(snd_pcm_lib_write);
EXPORT_SYMBOL(snd_pcm_lib_buffer_bytes);
EXPORT_SYMBOL(snd_pcm_lib_period_bytes);
/* pcm_memory.c */
-EXPORT_SYMBOL(snd_pcm_lib_preallocate_free);
EXPORT_SYMBOL(snd_pcm_lib_preallocate_free_for_all);
EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages);
EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages_for_all);
git://git.onelab.eu / linux-2.6.git / blobdiff