}
EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
-#ifdef CONFIG_SND_HDA_POWER_SAVE
+#ifdef CONFIG_PM
static void hda_power_work(struct work_struct *work);
static void hda_keep_power_on(struct hda_codec *codec);
#define hda_codec_is_power_on(codec) ((codec)->power_on)
+static inline void hda_call_pm_notify(struct hda_bus *bus, bool power_up)
+{
+ if (bus->ops.pm_notify)
+ bus->ops.pm_notify(bus, power_up);
+}
#else
static inline void hda_keep_power_on(struct hda_codec *codec) {}
#define hda_codec_is_power_on(codec) 1
+#define hda_call_pm_notify(bus, state) {}
#endif
/**
{
struct hda_codec_preset_list *tbl;
const struct hda_codec_preset *preset;
- int mod_requested = 0;
+ unsigned int mod_requested = 0;
if (is_generic_config(codec))
return NULL; /* use the generic parser */
}
#endif
+static void hda_jackpoll_work(struct work_struct *work)
+{
+ struct hda_codec *codec =
+ container_of(work, struct hda_codec, jackpoll_work.work);
+ if (!codec->jackpoll_interval)
+ return;
+
+ snd_hda_jack_set_dirty_all(codec);
+ snd_hda_jack_poll_all(codec);
+ queue_delayed_work(codec->bus->workq, &codec->jackpoll_work,
+ codec->jackpoll_interval);
+}
+
static void init_hda_cache(struct hda_cache_rec *cache,
unsigned int record_size);
static void free_hda_cache(struct hda_cache_rec *cache);
{
if (!codec)
return;
+ cancel_delayed_work_sync(&codec->jackpoll_work);
snd_hda_jack_tbl_clear(codec);
restore_init_pincfgs(codec);
-#ifdef CONFIG_SND_HDA_POWER_SAVE
+#ifdef CONFIG_PM
cancel_delayed_work(&codec->power_work);
flush_workqueue(codec->bus->workq);
#endif
codec->bus->caddr_tbl[codec->addr] = NULL;
if (codec->patch_ops.free)
codec->patch_ops.free(codec);
+#ifdef CONFIG_PM
+ if (!codec->pm_down_notified) /* cancel leftover refcounts */
+ hda_call_pm_notify(codec->bus, false);
+#endif
module_put(codec->owner);
free_hda_cache(&codec->amp_cache);
free_hda_cache(&codec->cmd_cache);
kfree(codec);
}
-static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
+static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
+ hda_nid_t fg, unsigned int power_state);
+
+static unsigned int hda_set_power_state(struct hda_codec *codec,
unsigned int power_state);
/**
{
struct hda_codec *codec;
char component[31];
+ hda_nid_t fg;
int err;
if (snd_BUG_ON(!bus))
snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8);
snd_array_init(&codec->conn_lists, sizeof(hda_nid_t), 64);
snd_array_init(&codec->spdif_out, sizeof(struct hda_spdif_out), 16);
+ INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
-#ifdef CONFIG_SND_HDA_POWER_SAVE
+#ifdef CONFIG_PM
spin_lock_init(&codec->power_lock);
INIT_DELAYED_WORK(&codec->power_work, hda_power_work);
/* snd_hda_codec_new() marks the codec as power-up, and leave it as is.
* phase.
*/
hda_keep_power_on(codec);
+ hda_call_pm_notify(bus, true);
#endif
if (codec->bus->modelname) {
goto error;
}
- err = read_widget_caps(codec, codec->afg ? codec->afg : codec->mfg);
+ fg = codec->afg ? codec->afg : codec->mfg;
+ err = read_widget_caps(codec, fg);
if (err < 0) {
snd_printk(KERN_ERR "hda_codec: cannot malloc\n");
goto error;
goto error;
if (!codec->subsystem_id) {
- hda_nid_t nid = codec->afg ? codec->afg : codec->mfg;
codec->subsystem_id =
- snd_hda_codec_read(codec, nid, 0,
+ snd_hda_codec_read(codec, fg, 0,
AC_VERB_GET_SUBSYSTEM_ID, 0);
}
+#ifdef CONFIG_PM
+ codec->d3_stop_clk = snd_hda_codec_get_supported_ps(codec, fg,
+ AC_PWRST_CLKSTOP);
+ if (!codec->d3_stop_clk)
+ bus->power_keep_link_on = 1;
+#endif
+ codec->epss = snd_hda_codec_get_supported_ps(codec, fg,
+ AC_PWRST_EPSS);
+
/* power-up all before initialization */
- hda_set_power_state(codec,
- codec->afg ? codec->afg : codec->mfg,
- AC_PWRST_D0);
+ hda_set_power_state(codec, AC_PWRST_D0);
snd_hda_codec_proc_new(codec);
}
EXPORT_SYMBOL_HDA(snd_hda_codec_configure);
+/* update the stream-id if changed */
+static void update_pcm_stream_id(struct hda_codec *codec,
+ struct hda_cvt_setup *p, hda_nid_t nid,
+ u32 stream_tag, int channel_id)
+{
+ unsigned int oldval, newval;
+
+ if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
+ oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
+ newval = (stream_tag << 4) | channel_id;
+ if (oldval != newval)
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_CHANNEL_STREAMID,
+ newval);
+ p->stream_tag = stream_tag;
+ p->channel_id = channel_id;
+ }
+}
+
+/* update the format-id if changed */
+static void update_pcm_format(struct hda_codec *codec, struct hda_cvt_setup *p,
+ hda_nid_t nid, int format)
+{
+ unsigned int oldval;
+
+ if (p->format_id != format) {
+ oldval = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_STREAM_FORMAT, 0);
+ if (oldval != format) {
+ msleep(1);
+ snd_hda_codec_write(codec, nid, 0,
+ AC_VERB_SET_STREAM_FORMAT,
+ format);
+ }
+ p->format_id = format;
+ }
+}
+
/**
* snd_hda_codec_setup_stream - set up the codec for streaming
* @codec: the CODEC to set up
{
struct hda_codec *c;
struct hda_cvt_setup *p;
- unsigned int oldval, newval;
int type;
int i;
p = get_hda_cvt_setup(codec, nid);
if (!p)
return;
- /* update the stream-id if changed */
- if (p->stream_tag != stream_tag || p->channel_id != channel_id) {
- oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
- newval = (stream_tag << 4) | channel_id;
- if (oldval != newval)
- snd_hda_codec_write(codec, nid, 0,
- AC_VERB_SET_CHANNEL_STREAMID,
- newval);
- p->stream_tag = stream_tag;
- p->channel_id = channel_id;
- }
- /* update the format-id if changed */
- if (p->format_id != format) {
- oldval = snd_hda_codec_read(codec, nid, 0,
- AC_VERB_GET_STREAM_FORMAT, 0);
- if (oldval != format) {
- msleep(1);
- snd_hda_codec_write(codec, nid, 0,
- AC_VERB_SET_STREAM_FORMAT,
- format);
- }
- p->format_id = format;
- }
+
+ if (codec->pcm_format_first)
+ update_pcm_format(codec, p, nid, format);
+ update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
+ if (!codec->pcm_format_first)
+ update_pcm_format(codec, p, nid, format);
+
p->active = 1;
p->dirty = 0;
return -EBUSY;
/* OK, let it free */
-
-#ifdef CONFIG_SND_HDA_POWER_SAVE
+ cancel_delayed_work_sync(&codec->jackpoll_work);
+#ifdef CONFIG_PM
cancel_delayed_work_sync(&codec->power_work);
codec->power_on = 0;
codec->power_transition = 0;
}
if (codec->patch_ops.free)
codec->patch_ops.free(codec);
+ memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
snd_hda_jack_tbl_clear(codec);
codec->proc_widget_hook = NULL;
codec->spec = NULL;
codec->num_pcms = 0;
codec->pcm_info = NULL;
codec->preset = NULL;
- memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
codec->slave_dig_outs = NULL;
codec->spdif_status_reset = 0;
module_put(codec->owner);
snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
power_state);
}
-
- if (power_state == AC_PWRST_D0) {
- unsigned long end_time;
- int state;
- /* wait until the codec reachs to D0 */
- end_time = jiffies + msecs_to_jiffies(500);
- do {
- state = snd_hda_codec_read(codec, fg, 0,
- AC_VERB_GET_POWER_STATE, 0);
- if (state == power_state)
- break;
- msleep(1);
- } while (time_after_eq(end_time, jiffies));
- }
}
EXPORT_SYMBOL_HDA(snd_hda_codec_set_power_to_all);
{
int sup = snd_hda_param_read(codec, fg, AC_PAR_POWER_STATE);
- if (sup < 0)
+ if (sup == -1)
return false;
if (sup & power_state)
return true;
}
/*
- * set power state of the codec
+ * wait until the state is reached, returns the current state
*/
-static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
- unsigned int power_state)
+static unsigned int hda_sync_power_state(struct hda_codec *codec,
+ hda_nid_t fg,
+ unsigned int power_state)
{
- int count;
- unsigned int state;
+ unsigned long end_time = jiffies + msecs_to_jiffies(500);
+ unsigned int state, actual_state;
- if (codec->patch_ops.set_power_state) {
- codec->patch_ops.set_power_state(codec, fg, power_state);
- return;
+ for (;;) {
+ state = snd_hda_codec_read(codec, fg, 0,
+ AC_VERB_GET_POWER_STATE, 0);
+ if (state & AC_PWRST_ERROR)
+ break;
+ actual_state = (state >> 4) & 0x0f;
+ if (actual_state == power_state)
+ break;
+ if (time_after_eq(jiffies, end_time))
+ break;
+ /* wait until the codec reachs to the target state */
+ msleep(1);
}
+ return state;
+}
+
+/*
+ * set power state of the codec, and return the power state
+ */
+static unsigned int hda_set_power_state(struct hda_codec *codec,
+ unsigned int power_state)
+{
+ hda_nid_t fg = codec->afg ? codec->afg : codec->mfg;
+ int count;
+ unsigned int state;
/* this delay seems necessary to avoid click noise at power-down */
if (power_state == AC_PWRST_D3) {
/* transition time less than 10ms for power down */
- bool epss = snd_hda_codec_get_supported_ps(codec, fg, AC_PWRST_EPSS);
- msleep(epss ? 10 : 100);
+ msleep(codec->epss ? 10 : 100);
}
/* repeat power states setting at most 10 times*/
for (count = 0; count < 10; count++) {
- snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE,
- power_state);
- snd_hda_codec_set_power_to_all(codec, fg, power_state, true);
- state = snd_hda_codec_read(codec, fg, 0,
- AC_VERB_GET_POWER_STATE, 0);
+ if (codec->patch_ops.set_power_state)
+ codec->patch_ops.set_power_state(codec, fg,
+ power_state);
+ else {
+ snd_hda_codec_read(codec, fg, 0,
+ AC_VERB_SET_POWER_STATE,
+ power_state);
+ snd_hda_codec_set_power_to_all(codec, fg, power_state,
+ true);
+ }
+ state = hda_sync_power_state(codec, fg, power_state);
if (!(state & AC_PWRST_ERROR))
break;
}
+
+ return state;
}
#ifdef CONFIG_SND_HDA_HWDEP
#ifdef CONFIG_PM
/*
* call suspend and power-down; used both from PM and power-save
+ * this function returns the power state in the end
*/
-static void hda_call_codec_suspend(struct hda_codec *codec)
+static unsigned int hda_call_codec_suspend(struct hda_codec *codec, bool in_wq)
{
+ unsigned int state;
+
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec);
hda_cleanup_all_streams(codec);
- hda_set_power_state(codec,
- codec->afg ? codec->afg : codec->mfg,
- AC_PWRST_D3);
-#ifdef CONFIG_SND_HDA_POWER_SAVE
- cancel_delayed_work(&codec->power_work);
+ state = hda_set_power_state(codec, AC_PWRST_D3);
+ /* Cancel delayed work if we aren't currently running from it. */
+ if (!in_wq)
+ cancel_delayed_work_sync(&codec->power_work);
spin_lock(&codec->power_lock);
snd_hda_update_power_acct(codec);
trace_hda_power_down(codec);
codec->power_transition = 0;
codec->power_jiffies = jiffies;
spin_unlock(&codec->power_lock);
-#endif
+ return state;
}
/*
* in the resume / power-save sequence
*/
hda_keep_power_on(codec);
- hda_set_power_state(codec,
- codec->afg ? codec->afg : codec->mfg,
- AC_PWRST_D0);
+ hda_set_power_state(codec, AC_PWRST_D0);
restore_pincfgs(codec); /* restore all current pin configs */
restore_shutup_pins(codec);
hda_exec_init_verbs(codec);
- snd_hda_jack_set_dirty_all(codec);
if (codec->patch_ops.resume)
codec->patch_ops.resume(codec);
else {
snd_hda_codec_resume_amp(codec);
snd_hda_codec_resume_cache(codec);
}
+
+ if (codec->jackpoll_interval)
+ hda_jackpoll_work(&codec->jackpoll_work.work);
+ else {
+ snd_hda_jack_set_dirty_all(codec);
+ snd_hda_jack_report_sync(codec);
+ }
snd_hda_power_down(codec); /* flag down before returning */
}
#endif /* CONFIG_PM */
}
EXPORT_SYMBOL_HDA(snd_hda_build_controls);
+/*
+ * add standard channel maps if not specified
+ */
+static int add_std_chmaps(struct hda_codec *codec)
+{
+ int i, str, err;
+
+ for (i = 0; i < codec->num_pcms; i++) {
+ for (str = 0; str < 2; str++) {
+ struct snd_pcm *pcm = codec->pcm_info[i].pcm;
+ struct hda_pcm_stream *hinfo =
+ &codec->pcm_info[i].stream[str];
+ struct snd_pcm_chmap *chmap;
+
+ if (codec->pcm_info[i].own_chmap)
+ continue;
+ if (!pcm || !hinfo->substreams)
+ continue;
+ err = snd_pcm_add_chmap_ctls(pcm, str,
+ snd_pcm_std_chmaps,
+ hinfo->channels_max,
+ 0, &chmap);
+ if (err < 0)
+ return err;
+ chmap->channel_mask = SND_PCM_CHMAP_MASK_2468;
+ }
+ }
+ return 0;
+}
+
int snd_hda_codec_build_controls(struct hda_codec *codec)
{
int err = 0;
err = codec->patch_ops.build_controls(codec);
if (err < 0)
return err;
+
+ /* we create chmaps here instead of build_pcms */
+ err = add_std_chmaps(codec);
+ if (err < 0)
+ return err;
+
+ if (codec->jackpoll_interval)
+ hda_jackpoll_work(&codec->jackpoll_work.work);
+ else
+ snd_hda_jack_report_sync(codec); /* call at the last init point */
return 0;
}
*
* This function returns 0 if successful, or a negative error code.
*/
-int __devinit snd_hda_build_pcms(struct hda_bus *bus)
+int snd_hda_build_pcms(struct hda_bus *bus)
{
struct hda_codec *codec;
}
EXPORT_SYMBOL_HDA(snd_hda_add_new_ctls);
-#ifdef CONFIG_SND_HDA_POWER_SAVE
+#ifdef CONFIG_PM
static void hda_power_work(struct work_struct *work)
{
struct hda_codec *codec =
container_of(work, struct hda_codec, power_work.work);
struct hda_bus *bus = codec->bus;
+ unsigned int state;
spin_lock(&codec->power_lock);
if (codec->power_transition > 0) { /* during power-up sequence? */
}
spin_unlock(&codec->power_lock);
- hda_call_codec_suspend(codec);
- if (bus->ops.pm_notify)
- bus->ops.pm_notify(bus);
+ state = hda_call_codec_suspend(codec, true);
+ codec->pm_down_notified = 0;
+ if (!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK)) {
+ codec->pm_down_notified = 1;
+ hda_call_pm_notify(bus, false);
+ }
}
static void hda_keep_power_on(struct hda_codec *codec)
/* Transition to powered up, if wait_power_down then wait for a pending
* transition to D3 to complete. A pending D3 transition is indicated
* with power_transition == -1. */
+/* call this with codec->power_lock held! */
static void __snd_hda_power_up(struct hda_codec *codec, bool wait_power_down)
{
struct hda_bus *bus = codec->bus;
- spin_lock(&codec->power_lock);
- codec->power_count++;
/* Return if power_on or transitioning to power_on, unless currently
* powering down. */
if ((codec->power_on || codec->power_transition > 0) &&
- !(wait_power_down && codec->power_transition < 0)) {
- spin_unlock(&codec->power_lock);
+ !(wait_power_down && codec->power_transition < 0))
return;
- }
spin_unlock(&codec->power_lock);
cancel_delayed_work_sync(&codec->power_work);
* then there is no need to go through power up here.
*/
if (codec->power_on) {
- spin_unlock(&codec->power_lock);
+ if (codec->power_transition < 0)
+ codec->power_transition = 0;
return;
}
+
trace_hda_power_up(codec);
snd_hda_update_power_acct(codec);
codec->power_on = 1;
codec->power_transition = 1; /* avoid reentrance */
spin_unlock(&codec->power_lock);
- if (bus->ops.pm_notify)
- bus->ops.pm_notify(bus);
+ if (codec->pm_down_notified) {
+ codec->pm_down_notified = 0;
+ hda_call_pm_notify(bus, true);
+ }
+
hda_call_codec_resume(codec);
spin_lock(&codec->power_lock);
codec->power_transition = 0;
- spin_unlock(&codec->power_lock);
-}
-
-/**
- * snd_hda_power_up - Power-up the codec
- * @codec: HD-audio codec
- *
- * Increment the power-up counter and power up the hardware really when
- * not turned on yet.
- */
-void snd_hda_power_up(struct hda_codec *codec)
-{
- __snd_hda_power_up(codec, false);
-}
-EXPORT_SYMBOL_HDA(snd_hda_power_up);
-
-/**
- * snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending
- * D3 transition to complete. This differs from snd_hda_power_up() when
- * power_transition == -1. snd_hda_power_up sees this case as a nop,
- * snd_hda_power_up_d3wait waits for the D3 transition to complete then powers
- * back up.
- * @codec: HD-audio codec
- *
- * Cancel any power down operation hapenning on the work queue, then power up.
- */
-void snd_hda_power_up_d3wait(struct hda_codec *codec)
-{
- /* This will cancel and wait for pending power_work to complete. */
- __snd_hda_power_up(codec, true);
}
-EXPORT_SYMBOL_HDA(snd_hda_power_up_d3wait);
#define power_save(codec) \
((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
-/**
- * snd_hda_power_down - Power-down the codec
- * @codec: HD-audio codec
- *
- * Decrement the power-up counter and schedules the power-off work if
- * the counter rearches to zero.
- */
-void snd_hda_power_down(struct hda_codec *codec)
+/* Transition to powered down */
+static void __snd_hda_power_down(struct hda_codec *codec)
{
- spin_lock(&codec->power_lock);
- --codec->power_count;
- if (!codec->power_on || codec->power_count || codec->power_transition) {
- spin_unlock(&codec->power_lock);
+ if (!codec->power_on || codec->power_count || codec->power_transition)
return;
- }
+
if (power_save(codec)) {
codec->power_transition = -1; /* avoid reentrance */
queue_delayed_work(codec->bus->workq, &codec->power_work,
msecs_to_jiffies(power_save(codec) * 1000));
}
+}
+
+/**
+ * snd_hda_power_save - Power-up/down/sync the codec
+ * @codec: HD-audio codec
+ * @delta: the counter delta to change
+ *
+ * Change the power-up counter via @delta, and power up or down the hardware
+ * appropriately. For the power-down, queue to the delayed action.
+ * Passing zero to @delta means to synchronize the power state.
+ */
+void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait)
+{
+ spin_lock(&codec->power_lock);
+ codec->power_count += delta;
+ trace_hda_power_count(codec);
+ if (delta > 0)
+ __snd_hda_power_up(codec, d3wait);
+ else
+ __snd_hda_power_down(codec);
spin_unlock(&codec->power_lock);
}
-EXPORT_SYMBOL_HDA(snd_hda_power_down);
+EXPORT_SYMBOL_HDA(snd_hda_power_save);
/**
* snd_hda_check_amp_list_power - Check the amp list and update the power
struct hda_codec *codec;
list_for_each_entry(codec, &bus->codec_list, list) {
+ cancel_delayed_work_sync(&codec->jackpoll_work);
if (hda_codec_is_power_on(codec))
- hda_call_codec_suspend(codec);
+ hda_call_codec_suspend(codec, false);
}
return 0;
}
* @bus: the HDA bus
*
* Returns 0 if successful.
- *
- * This function is defined only when POWER_SAVE isn't set.
- * In the power-save mode, the codec is resumed dynamically.
*/
int snd_hda_resume(struct hda_bus *bus)
{
*/
void *snd_array_new(struct snd_array *array)
{
+ if (snd_BUG_ON(!array->elem_size))
+ return NULL;
if (array->used >= array->alloced) {
int num = array->alloced + array->alloc_align;
int size = (num + 1) * array->elem_size;
projects / mirror_ubuntu-bionic-kernel.git / blobdiff