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Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r--sound/pci/hda/hda_codec.c1225
1 files changed, 342 insertions, 883 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 2fe86d2e1b09..7e38d6f7314b 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -26,6 +26,8 @@
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/async.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
#include <sound/core.h>
#include "hda_codec.h"
#include <sound/asoundef.h>
@@ -40,92 +42,13 @@
#define CREATE_TRACE_POINTS
#include "hda_trace.h"
-/*
- * vendor / preset table
- */
-
-struct hda_vendor_id {
- unsigned int id;
- const char *name;
-};
-
-/* codec vendor labels */
-static struct hda_vendor_id hda_vendor_ids[] = {
- { 0x1002, "ATI" },
- { 0x1013, "Cirrus Logic" },
- { 0x1057, "Motorola" },
- { 0x1095, "Silicon Image" },
- { 0x10de, "Nvidia" },
- { 0x10ec, "Realtek" },
- { 0x1102, "Creative" },
- { 0x1106, "VIA" },
- { 0x111d, "IDT" },
- { 0x11c1, "LSI" },
- { 0x11d4, "Analog Devices" },
- { 0x13f6, "C-Media" },
- { 0x14f1, "Conexant" },
- { 0x17e8, "Chrontel" },
- { 0x1854, "LG" },
- { 0x1aec, "Wolfson Microelectronics" },
- { 0x1af4, "QEMU" },
- { 0x434d, "C-Media" },
- { 0x8086, "Intel" },
- { 0x8384, "SigmaTel" },
- {} /* terminator */
-};
-
-static DEFINE_MUTEX(preset_mutex);
-static LIST_HEAD(hda_preset_tables);
-
-/**
- * snd_hda_add_codec_preset - Add a codec preset to the chain
- * @preset: codec preset table to add
- */
-int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset)
-{
- mutex_lock(&preset_mutex);
- list_add_tail(&preset->list, &hda_preset_tables);
- mutex_unlock(&preset_mutex);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_add_codec_preset);
-
-/**
- * snd_hda_delete_codec_preset - Delete a codec preset from the chain
- * @preset: codec preset table to delete
- */
-int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset)
-{
- mutex_lock(&preset_mutex);
- list_del(&preset->list);
- mutex_unlock(&preset_mutex);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_delete_codec_preset);
-
#ifdef CONFIG_PM
-#define codec_in_pm(codec) ((codec)->in_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 void hda_call_pm_notify(struct hda_codec *codec, bool power_up)
-{
- struct hda_bus *bus = codec->bus;
-
- if ((power_up && codec->pm_up_notified) ||
- (!power_up && !codec->pm_up_notified))
- return;
- if (bus->ops.pm_notify)
- bus->ops.pm_notify(bus, power_up);
- codec->pm_up_notified = power_up;
-}
-
+#define codec_in_pm(codec) atomic_read(&(codec)->in_pm)
+#define hda_codec_is_power_on(codec) \
+ (!pm_runtime_suspended(hda_codec_dev(codec)))
#else
#define codec_in_pm(codec) 0
-static inline void hda_keep_power_on(struct hda_codec *codec) {}
#define hda_codec_is_power_on(codec) 1
-#define hda_call_pm_notify(codec, state) {}
#endif
/**
@@ -758,14 +681,11 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
struct hda_bus_unsolicited *unsol;
unsigned int wp;
- if (!bus || !bus->workq)
+ if (!bus)
return 0;
trace_hda_unsol_event(bus, res, res_ex);
- unsol = bus->unsol;
- if (!unsol)
- return 0;
-
+ unsol = &bus->unsol;
wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE;
unsol->wp = wp;
@@ -773,7 +693,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
unsol->queue[wp] = res;
unsol->queue[wp + 1] = res_ex;
- queue_work(bus->workq, &unsol->work);
+ schedule_work(&unsol->work);
return 0;
}
@@ -784,9 +704,8 @@ EXPORT_SYMBOL_GPL(snd_hda_queue_unsol_event);
*/
static void process_unsol_events(struct work_struct *work)
{
- struct hda_bus_unsolicited *unsol =
- container_of(work, struct hda_bus_unsolicited, work);
- struct hda_bus *bus = unsol->bus;
+ struct hda_bus *bus = container_of(work, struct hda_bus, unsol.work);
+ struct hda_bus_unsolicited *unsol = &bus->unsol;
struct hda_codec *codec;
unsigned int rp, caddr, res;
@@ -805,27 +724,6 @@ static void process_unsol_events(struct work_struct *work)
}
/*
- * initialize unsolicited queue
- */
-static int init_unsol_queue(struct hda_bus *bus)
-{
- struct hda_bus_unsolicited *unsol;
-
- if (bus->unsol) /* already initialized */
- return 0;
-
- unsol = kzalloc(sizeof(*unsol), GFP_KERNEL);
- if (!unsol) {
- dev_err(bus->card->dev, "can't allocate unsolicited queue\n");
- return -ENOMEM;
- }
- INIT_WORK(&unsol->work, process_unsol_events);
- unsol->bus = bus;
- bus->unsol = unsol;
- return 0;
-}
-
-/*
* destructor
*/
static void snd_hda_bus_free(struct hda_bus *bus)
@@ -834,14 +732,9 @@ static void snd_hda_bus_free(struct hda_bus *bus)
return;
WARN_ON(!list_empty(&bus->codec_list));
- if (bus->workq)
- flush_workqueue(bus->workq);
- kfree(bus->unsol);
+ cancel_work_sync(&bus->unsol.work);
if (bus->ops.private_free)
bus->ops.private_free(bus);
- if (bus->workq)
- destroy_workqueue(bus->workq);
-
kfree(bus);
}
@@ -861,14 +754,12 @@ static int snd_hda_bus_dev_disconnect(struct snd_device *device)
/**
* snd_hda_bus_new - create a HDA bus
* @card: the card entry
- * @temp: the template for hda_bus information
* @busp: the pointer to store the created bus instance
*
* Returns 0 if successful, or a negative error code.
*/
int snd_hda_bus_new(struct snd_card *card,
- const struct hda_bus_template *temp,
- struct hda_bus **busp)
+ struct hda_bus **busp)
{
struct hda_bus *bus;
int err;
@@ -877,40 +768,18 @@ int snd_hda_bus_new(struct snd_card *card,
.dev_free = snd_hda_bus_dev_free,
};
- if (snd_BUG_ON(!temp))
- return -EINVAL;
- if (snd_BUG_ON(!temp->ops.command || !temp->ops.get_response))
- return -EINVAL;
-
if (busp)
*busp = NULL;
bus = kzalloc(sizeof(*bus), GFP_KERNEL);
- if (bus == NULL) {
- dev_err(card->dev, "can't allocate struct hda_bus\n");
+ if (!bus)
return -ENOMEM;
- }
bus->card = card;
- bus->private_data = temp->private_data;
- bus->pci = temp->pci;
- bus->modelname = temp->modelname;
- bus->power_save = temp->power_save;
- bus->ops = temp->ops;
-
mutex_init(&bus->cmd_mutex);
mutex_init(&bus->prepare_mutex);
INIT_LIST_HEAD(&bus->codec_list);
-
- snprintf(bus->workq_name, sizeof(bus->workq_name),
- "hd-audio%d", card->number);
- bus->workq = create_singlethread_workqueue(bus->workq_name);
- if (!bus->workq) {
- dev_err(card->dev, "cannot create workqueue %s\n",
- bus->workq_name);
- kfree(bus);
- return -ENOMEM;
- }
+ INIT_WORK(&bus->unsol.work, process_unsol_events);
err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops);
if (err < 0) {
@@ -923,111 +792,6 @@ int snd_hda_bus_new(struct snd_card *card,
}
EXPORT_SYMBOL_GPL(snd_hda_bus_new);
-#if IS_ENABLED(CONFIG_SND_HDA_GENERIC)
-#define is_generic_config(codec) \
- (codec->modelname && !strcmp(codec->modelname, "generic"))
-#else
-#define is_generic_config(codec) 0
-#endif
-
-#ifdef MODULE
-#define HDA_MODREQ_MAX_COUNT 2 /* two request_modules()'s */
-#else
-#define HDA_MODREQ_MAX_COUNT 0 /* all presets are statically linked */
-#endif
-
-/*
- * find a matching codec preset
- */
-static const struct hda_codec_preset *
-find_codec_preset(struct hda_codec *codec)
-{
- struct hda_codec_preset_list *tbl;
- const struct hda_codec_preset *preset;
- unsigned int mod_requested = 0;
-
- again:
- mutex_lock(&preset_mutex);
- list_for_each_entry(tbl, &hda_preset_tables, list) {
- if (!try_module_get(tbl->owner)) {
- codec_err(codec, "cannot module_get\n");
- continue;
- }
- for (preset = tbl->preset; preset->id; preset++) {
- u32 mask = preset->mask;
- if (preset->afg && preset->afg != codec->afg)
- continue;
- if (preset->mfg && preset->mfg != codec->mfg)
- continue;
- if (!mask)
- mask = ~0;
- if (preset->id == (codec->vendor_id & mask) &&
- (!preset->rev ||
- preset->rev == codec->revision_id)) {
- mutex_unlock(&preset_mutex);
- codec->owner = tbl->owner;
- return preset;
- }
- }
- module_put(tbl->owner);
- }
- mutex_unlock(&preset_mutex);
-
- if (mod_requested < HDA_MODREQ_MAX_COUNT) {
- if (!mod_requested)
- request_module("snd-hda-codec-id:%08x",
- codec->vendor_id);
- else
- request_module("snd-hda-codec-id:%04x*",
- (codec->vendor_id >> 16) & 0xffff);
- mod_requested++;
- goto again;
- }
- return NULL;
-}
-
-/*
- * get_codec_name - store the codec name
- */
-static int get_codec_name(struct hda_codec *codec)
-{
- const struct hda_vendor_id *c;
- const char *vendor = NULL;
- u16 vendor_id = codec->vendor_id >> 16;
- char tmp[16];
-
- if (codec->vendor_name)
- goto get_chip_name;
-
- for (c = hda_vendor_ids; c->id; c++) {
- if (c->id == vendor_id) {
- vendor = c->name;
- break;
- }
- }
- if (!vendor) {
- sprintf(tmp, "Generic %04x", vendor_id);
- vendor = tmp;
- }
- codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
- if (!codec->vendor_name)
- return -ENOMEM;
-
- get_chip_name:
- if (codec->chip_name)
- return 0;
-
- if (codec->preset && codec->preset->name)
- codec->chip_name = kstrdup(codec->preset->name, GFP_KERNEL);
- else {
- sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
- codec->chip_name = kstrdup(tmp, GFP_KERNEL);
- }
- if (!codec->chip_name)
- return -ENOMEM;
- return 0;
-}
-
/*
* look for an AFG and MFG nodes
*/
@@ -1290,8 +1054,8 @@ static void hda_jackpoll_work(struct work_struct *work)
if (!codec->jackpoll_interval)
return;
- queue_delayed_work(codec->bus->workq, &codec->jackpoll_work,
- codec->jackpoll_interval);
+ schedule_delayed_work(&codec->jackpoll_work,
+ codec->jackpoll_interval);
}
static void init_hda_cache(struct hda_cache_rec *cache,
@@ -1339,54 +1103,92 @@ get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid)
}
/*
- * Dynamic symbol binding for the codec parsers
+ * PCM device
*/
+static void release_pcm(struct kref *kref)
+{
+ struct hda_pcm *pcm = container_of(kref, struct hda_pcm, kref);
-#define load_parser(codec, sym) \
- ((codec)->parser = (int (*)(struct hda_codec *))symbol_request(sym))
+ if (pcm->pcm)
+ snd_device_free(pcm->codec->card, pcm->pcm);
+ clear_bit(pcm->device, pcm->codec->bus->pcm_dev_bits);
+ kfree(pcm->name);
+ kfree(pcm);
+}
-static void unload_parser(struct hda_codec *codec)
+void snd_hda_codec_pcm_put(struct hda_pcm *pcm)
{
- if (codec->parser)
- symbol_put_addr(codec->parser);
- codec->parser = NULL;
+ kref_put(&pcm->kref, release_pcm);
+}
+EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_put);
+
+struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
+ const char *fmt, ...)
+{
+ struct hda_pcm *pcm;
+ va_list args;
+
+ va_start(args, fmt);
+ pcm = kzalloc(sizeof(*pcm), GFP_KERNEL);
+ if (!pcm)
+ return NULL;
+
+ pcm->codec = codec;
+ kref_init(&pcm->kref);
+ pcm->name = kvasprintf(GFP_KERNEL, fmt, args);
+ if (!pcm->name) {
+ kfree(pcm);
+ return NULL;
+ }
+
+ list_add_tail(&pcm->list, &codec->pcm_list_head);
+ return pcm;
}
+EXPORT_SYMBOL_GPL(snd_hda_codec_pcm_new);
/*
* codec destructor
*/
-static void snd_hda_codec_free(struct hda_codec *codec)
+static void codec_release_pcms(struct hda_codec *codec)
+{
+ struct hda_pcm *pcm, *n;
+
+ list_for_each_entry_safe(pcm, n, &codec->pcm_list_head, list) {
+ list_del_init(&pcm->list);
+ if (pcm->pcm)
+ snd_device_disconnect(codec->card, pcm->pcm);
+ snd_hda_codec_pcm_put(pcm);
+ }
+}
+
+void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
{
- if (!codec)
- return;
cancel_delayed_work_sync(&codec->jackpoll_work);
+ if (!codec->in_freeing)
+ snd_hda_ctls_clear(codec);
+ codec_release_pcms(codec);
+ snd_hda_detach_beep_device(codec);
+ memset(&codec->patch_ops, 0, sizeof(codec->patch_ops));
snd_hda_jack_tbl_clear(codec);
- free_init_pincfgs(codec);
-#ifdef CONFIG_PM
- cancel_delayed_work(&codec->power_work);
- flush_workqueue(codec->bus->workq);
-#endif
- list_del(&codec->list);
- snd_array_free(&codec->mixers);
- snd_array_free(&codec->nids);
+ codec->proc_widget_hook = NULL;
+ codec->spec = NULL;
+
+ free_hda_cache(&codec->amp_cache);
+ free_hda_cache(&codec->cmd_cache);
+ init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
+ init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
+
+ /* free only driver_pins so that init_pins + user_pins are restored */
+ snd_array_free(&codec->driver_pins);
snd_array_free(&codec->cvt_setups);
snd_array_free(&codec->spdif_out);
+ snd_array_free(&codec->verbs);
+ codec->preset = NULL;
+ codec->slave_dig_outs = NULL;
+ codec->spdif_status_reset = 0;
+ snd_array_free(&codec->mixers);
+ snd_array_free(&codec->nids);
remove_conn_list(codec);
- codec->bus->caddr_tbl[codec->addr] = NULL;
- if (codec->patch_ops.free)
- codec->patch_ops.free(codec);
- hda_call_pm_notify(codec, false); /* cancel leftover refcounts */
- snd_hda_sysfs_clear(codec);
- unload_parser(codec);
- module_put(codec->owner);
- free_hda_cache(&codec->amp_cache);
- free_hda_cache(&codec->cmd_cache);
- kfree(codec->vendor_name);
- kfree(codec->chip_name);
- kfree(codec->modelname);
- kfree(codec->wcaps);
- codec->bus->num_codecs--;
- put_device(&codec->dev);
}
static bool snd_hda_codec_get_supported_ps(struct hda_codec *codec,
@@ -1398,11 +1200,12 @@ static unsigned int hda_set_power_state(struct hda_codec *codec,
static int snd_hda_codec_dev_register(struct snd_device *device)
{
struct hda_codec *codec = device->device_data;
- int err = device_add(&codec->dev);
- if (err < 0)
- return err;
snd_hda_register_beep_device(codec);
+ if (device_is_registered(hda_codec_dev(codec)))
+ pm_runtime_enable(hda_codec_dev(codec));
+ /* it was powered up in snd_hda_codec_new(), now all done */
+ snd_hda_power_down(codec);
return 0;
}
@@ -1411,20 +1214,37 @@ static int snd_hda_codec_dev_disconnect(struct snd_device *device)
struct hda_codec *codec = device->device_data;
snd_hda_detach_beep_device(codec);
- device_del(&codec->dev);
return 0;
}
static int snd_hda_codec_dev_free(struct snd_device *device)
{
- snd_hda_codec_free(device->device_data);
+ struct hda_codec *codec = device->device_data;
+
+ codec->in_freeing = 1;
+ if (device_is_registered(hda_codec_dev(codec)))
+ device_del(hda_codec_dev(codec));
+ put_device(hda_codec_dev(codec));
return 0;
}
-/* just free the container */
static void snd_hda_codec_dev_release(struct device *dev)
{
- kfree(container_of(dev, struct hda_codec, dev));
+ struct hda_codec *codec = dev_to_hda_codec(dev);
+
+ free_init_pincfgs(codec);
+ list_del(&codec->list);
+ codec->bus->caddr_tbl[codec->addr] = NULL;
+ clear_bit(codec->addr, &codec->bus->codec_powered);
+ snd_hda_sysfs_clear(codec);
+ free_hda_cache(&codec->amp_cache);
+ free_hda_cache(&codec->cmd_cache);
+ kfree(codec->vendor_name);
+ kfree(codec->chip_name);
+ kfree(codec->modelname);
+ kfree(codec->wcaps);
+ codec->bus->num_codecs--;
+ kfree(codec);
}
/**
@@ -1435,11 +1255,11 @@ static void snd_hda_codec_dev_release(struct device *dev)
*
* Returns 0 if successful, or a negative error code.
*/
-int snd_hda_codec_new(struct hda_bus *bus,
- unsigned int codec_addr,
- struct hda_codec **codecp)
+int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
+ unsigned int codec_addr, struct hda_codec **codecp)
{
struct hda_codec *codec;
+ struct device *dev;
char component[31];
hda_nid_t fg;
int err;
@@ -1455,28 +1275,28 @@ int snd_hda_codec_new(struct hda_bus *bus,
return -EINVAL;
if (bus->caddr_tbl[codec_addr]) {
- dev_err(bus->card->dev,
+ dev_err(card->dev,
"address 0x%x is already occupied\n",
codec_addr);
return -EBUSY;
}
codec = kzalloc(sizeof(*codec), GFP_KERNEL);
- if (codec == NULL) {
- dev_err(bus->card->dev, "can't allocate struct hda_codec\n");
+ if (!codec)
return -ENOMEM;
- }
- device_initialize(&codec->dev);
- codec->dev.parent = &bus->card->card_dev;
- codec->dev.class = sound_class;
- codec->dev.release = snd_hda_codec_dev_release;
- codec->dev.groups = snd_hda_dev_attr_groups;
- dev_set_name(&codec->dev, "hdaudioC%dD%d", bus->card->number,
- codec_addr);
- dev_set_drvdata(&codec->dev, codec); /* for sysfs */
+ dev = hda_codec_dev(codec);
+ device_initialize(dev);
+ dev->parent = card->dev;
+ dev->bus = &snd_hda_bus_type;
+ dev->release = snd_hda_codec_dev_release;
+ dev->groups = snd_hda_dev_attr_groups;
+ dev_set_name(dev, "hdaudioC%dD%d", card->number, codec_addr);
+ dev_set_drvdata(dev, codec); /* for sysfs */
+ device_enable_async_suspend(dev);
codec->bus = bus;
+ codec->card = card;
codec->addr = codec_addr;
mutex_init(&codec->spdif_mutex);
mutex_init(&codec->control_mutex);
@@ -1492,19 +1312,20 @@ int snd_hda_codec_new(struct hda_bus *bus,
snd_array_init(&codec->jacktbl, sizeof(struct hda_jack_tbl), 16);
snd_array_init(&codec->verbs, sizeof(struct hda_verb *), 8);
INIT_LIST_HEAD(&codec->conn_list);
+ INIT_LIST_HEAD(&codec->pcm_list_head);
INIT_DELAYED_WORK(&codec->jackpoll_work, hda_jackpoll_work);
codec->depop_delay = -1;
codec->fixup_id = HDA_FIXUP_ID_NOT_SET;
#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.
- * the caller has to power down appropriatley after initialization
- * phase.
+ * it's powered down later in snd_hda_codec_dev_register().
*/
- hda_keep_power_on(codec);
+ set_bit(codec->addr, &bus->codec_powered);
+ pm_runtime_set_active(hda_codec_dev(codec));
+ pm_runtime_get_noresume(hda_codec_dev(codec));
+ codec->power_jiffies = jiffies;
#endif
snd_hda_sysfs_init(codec);
@@ -1537,17 +1358,15 @@ int snd_hda_codec_new(struct hda_bus *bus,
setup_fg_nodes(codec);
if (!codec->afg && !codec->mfg) {
- dev_err(bus->card->dev, "no AFG or MFG node found\n");
+ codec_err(codec, "no AFG or MFG node found\n");
err = -ENODEV;
goto error;
}
fg = codec->afg ? codec->afg : codec->mfg;
err = read_widget_caps(codec, fg);
- if (err < 0) {
- dev_err(bus->card->dev, "cannot malloc\n");
+ if (err < 0)
goto error;
- }
err = read_pin_defaults(codec);
if (err < 0)
goto error;
@@ -1564,11 +1383,6 @@ int snd_hda_codec_new(struct hda_bus *bus,
#endif
codec->epss = snd_hda_codec_get_supported_ps(codec, fg,
AC_PWRST_EPSS);
-#ifdef CONFIG_PM
- if (!codec->d3_stop_clk || !codec->epss)
- bus->power_keep_link_on = 1;
-#endif
-
/* power-up all before initialization */
hda_set_power_state(codec, AC_PWRST_D0);
@@ -1579,9 +1393,9 @@ int snd_hda_codec_new(struct hda_bus *bus,
sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id,
codec->subsystem_id, codec->revision_id);
- snd_component_add(codec->bus->card, component);
+ snd_component_add(card, component);
- err = snd_device_new(bus->card, SNDRV_DEV_CODEC, codec, &dev_ops);
+ err = snd_device_new(card, SNDRV_DEV_CODEC, codec, &dev_ops);
if (err < 0)
goto error;
@@ -1590,7 +1404,7 @@ int snd_hda_codec_new(struct hda_bus *bus,
return 0;
error:
- snd_hda_codec_free(codec);
+ put_device(hda_codec_dev(codec));
return err;
}
EXPORT_SYMBOL_GPL(snd_hda_codec_new);
@@ -1613,10 +1427,8 @@ int snd_hda_codec_update_widgets(struct hda_codec *codec)
kfree(codec->wcaps);
fg = codec->afg ? codec->afg : codec->mfg;
err = read_widget_caps(codec, fg);
- if (err < 0) {
- codec_err(codec, "cannot malloc\n");
+ if (err < 0)
return err;
- }
snd_array_free(&codec->init_pins);
err = read_pin_defaults(codec);
@@ -1625,98 +1437,6 @@ int snd_hda_codec_update_widgets(struct hda_codec *codec)
}
EXPORT_SYMBOL_GPL(snd_hda_codec_update_widgets);
-
-#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
-/* if all audio out widgets are digital, let's assume the codec as a HDMI/DP */
-static bool is_likely_hdmi_codec(struct hda_codec *codec)
-{
- hda_nid_t nid = codec->start_nid;
- int i;
-
- for (i = 0; i < codec->num_nodes; i++, nid++) {
- unsigned int wcaps = get_wcaps(codec, nid);
- switch (get_wcaps_type(wcaps)) {
- case AC_WID_AUD_IN:
- return false; /* HDMI parser supports only HDMI out */
- case AC_WID_AUD_OUT:
- if (!(wcaps & AC_WCAP_DIGITAL))
- return false;
- break;
- }
- }
- return true;
-}
-#else
-/* no HDMI codec parser support */
-#define is_likely_hdmi_codec(codec) false
-#endif /* CONFIG_SND_HDA_CODEC_HDMI */
-
-/**
- * snd_hda_codec_configure - (Re-)configure the HD-audio codec
- * @codec: the HDA codec
- *
- * Start parsing of the given codec tree and (re-)initialize the whole
- * patch instance.
- *
- * Returns 0 if successful or a negative error code.
- */
-int snd_hda_codec_configure(struct hda_codec *codec)
-{
- int (*patch)(struct hda_codec *) = NULL;
- int err;
-
- codec->preset = find_codec_preset(codec);
- if (!codec->vendor_name || !codec->chip_name) {
- err = get_codec_name(codec);
- if (err < 0)
- return err;
- }
-
- if (!is_generic_config(codec) && codec->preset)
- patch = codec->preset->patch;
- if (!patch) {
- unload_parser(codec); /* to be sure */
- if (is_likely_hdmi_codec(codec)) {
-#if IS_MODULE(CONFIG_SND_HDA_CODEC_HDMI)
- patch = load_parser(codec, snd_hda_parse_hdmi_codec);
-#elif IS_BUILTIN(CONFIG_SND_HDA_CODEC_HDMI)
- patch = snd_hda_parse_hdmi_codec;
-#endif
- }
- if (!patch) {
-#if IS_MODULE(CONFIG_SND_HDA_GENERIC)
- patch = load_parser(codec, snd_hda_parse_generic_codec);
-#elif IS_BUILTIN(CONFIG_SND_HDA_GENERIC)
- patch = snd_hda_parse_generic_codec;
-#endif
- }
- if (!patch) {
- codec_err(codec, "No codec parser is available\n");
- return -ENODEV;
- }
- }
-
- err = patch(codec);
- if (err < 0) {
- unload_parser(codec);
- return err;
- }
-
- if (codec->patch_ops.unsol_event) {
- err = init_unsol_queue(codec->bus);
- if (err < 0)
- return err;
- }
-
- /* audio codec should override the mixer name */
- if (codec->afg || !*codec->bus->card->mixername)
- snprintf(codec->bus->card->mixername,
- sizeof(codec->bus->card->mixername),
- "%s %s", codec->vendor_name, codec->chip_name);
- return 0;
-}
-EXPORT_SYMBOL_GPL(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,
@@ -1782,6 +1502,8 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
if (!p)
return;
+ if (codec->patch_ops.stream_pm)
+ codec->patch_ops.stream_pm(codec, nid, true);
if (codec->pcm_format_first)
update_pcm_format(codec, p, nid, format);
update_pcm_stream_id(codec, p, nid, stream_tag, channel_id);
@@ -1850,6 +1572,8 @@ static void really_cleanup_stream(struct hda_codec *codec,
);
memset(q, 0, sizeof(*q));
q->nid = nid;
+ if (codec->patch_ops.stream_pm)
+ codec->patch_ops.stream_pm(codec, nid, false);
}
/* clean up the all conflicting obsolete streams */
@@ -2192,11 +1916,10 @@ EXPORT_SYMBOL_GPL(snd_hda_codec_amp_read);
static int codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
int direction, int idx, int mask, int val,
- bool init_only)
+ bool init_only, bool cache_only)
{
struct hda_amp_info *info;
unsigned int caps;
- unsigned int cache_only;
if (snd_BUG_ON(mask & ~0xff))
mask &= 0xff;
@@ -2214,7 +1937,7 @@ static int codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
return 0;
}
info->vol[ch] = val;
- cache_only = info->head.dirty = codec->cached_write;
+ info->head.dirty |= cache_only;
caps = info->amp_caps;
mutex_unlock(&codec->hash_mutex);
if (!cache_only)
@@ -2238,7 +1961,8 @@ static int codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch,
int direction, int idx, int mask, int val)
{
- return codec_amp_update(codec, nid, ch, direction, idx, mask, val, false);
+ return codec_amp_update(codec, nid, ch, direction, idx, mask, val,
+ false, codec->cached_write);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_update);
@@ -2285,7 +2009,8 @@ EXPORT_SYMBOL_GPL(snd_hda_codec_amp_stereo);
int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch,
int dir, int idx, int mask, int val)
{
- return codec_amp_update(codec, nid, ch, dir, idx, mask, val, true);
+ return codec_amp_update(codec, nid, ch, dir, idx, mask, val, true,
+ codec->cached_write);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_amp_init);
@@ -2427,8 +2152,8 @@ update_amp_value(struct hda_codec *codec, hda_nid_t nid,
maxval = get_amp_max_value(codec, nid, dir, 0);
if (val > maxval)
val = maxval;
- return snd_hda_codec_amp_update(codec, nid, ch, dir, idx,
- HDA_AMP_VOLMASK, val);
+ return codec_amp_update(codec, nid, ch, dir, idx, HDA_AMP_VOLMASK, val,
+ false, !hda_codec_is_power_on(codec));
}
/**
@@ -2478,14 +2203,12 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol,
long *valp = ucontrol->value.integer.value;
int change = 0;
- snd_hda_power_up(codec);
if (chs & 1) {
change = update_amp_value(codec, nid, 0, dir, idx, ofs, *valp);
valp++;
}
if (chs & 2)
change |= update_amp_value(codec, nid, 1, dir, idx, ofs, *valp);
- snd_hda_power_down(codec);
return change;
}
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_volume_put);
@@ -2572,7 +2295,7 @@ find_mixer_ctl(struct hda_codec *codec, const char *name, int dev, int idx)
if (snd_BUG_ON(strlen(name) >= sizeof(id.name)))
return NULL;
strcpy(id.name, name);
- return snd_ctl_find_id(codec->bus->card, &id);
+ return snd_ctl_find_id(codec->card, &id);
}
/**
@@ -2636,7 +2359,7 @@ int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid,
nid = kctl->id.subdevice & 0xffff;
if (kctl->id.subdevice & (HDA_SUBDEV_NID_FLAG|HDA_SUBDEV_AMP_FLAG))
kctl->id.subdevice = 0;
- err = snd_ctl_add(codec->bus->card, kctl);
+ err = snd_ctl_add(codec->card, kctl);
if (err < 0)
return err;
item = snd_array_new(&codec->mixers);
@@ -2689,7 +2412,7 @@ void snd_hda_ctls_clear(struct hda_codec *codec)
int i;
struct hda_nid_item *items = codec->mixers.list;
for (i = 0; i < codec->mixers.used; i++)
- snd_ctl_remove(codec->bus->card, items[i].kctl);
+ snd_ctl_remove(codec->card, items[i].kctl);
snd_array_free(&codec->mixers);
snd_array_free(&codec->nids);
}
@@ -2713,9 +2436,8 @@ int snd_hda_lock_devices(struct hda_bus *bus)
goto err_clear;
list_for_each_entry(codec, &bus->codec_list, list) {
- int pcm;
- for (pcm = 0; pcm < codec->num_pcms; pcm++) {
- struct hda_pcm *cpcm = &codec->pcm_info[pcm];
+ struct hda_pcm *cpcm;
+ list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
if (!cpcm->pcm)
continue;
if (cpcm->pcm->streams[0].substream_opened ||
@@ -2742,7 +2464,6 @@ void snd_hda_unlock_devices(struct hda_bus *bus)
{
struct snd_card *card = bus->card;
- card = bus->card;
spin_lock(&card->files_lock);
card->shutdown = 0;
spin_unlock(&card->files_lock);
@@ -2762,51 +2483,13 @@ EXPORT_SYMBOL_GPL(snd_hda_unlock_devices);
int snd_hda_codec_reset(struct hda_codec *codec)
{
struct hda_bus *bus = codec->bus;
- struct snd_card *card = bus->card;
- int i;
if (snd_hda_lock_devices(bus) < 0)
return -EBUSY;
/* OK, let it free */
- cancel_delayed_work_sync(&codec->jackpoll_work);
-#ifdef CONFIG_PM
- cancel_delayed_work_sync(&codec->power_work);
- flush_workqueue(bus->workq);
-#endif
- snd_hda_ctls_clear(codec);
- /* release PCMs */
- for (i = 0; i < codec->num_pcms; i++) {
- if (codec->pcm_info[i].pcm) {
- snd_device_free(card, codec->pcm_info[i].pcm);
- clear_bit(codec->pcm_info[i].device,
- bus->pcm_dev_bits);
- }
- }
- snd_hda_detach_beep_device(codec);
- 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;
- free_hda_cache(&codec->amp_cache);
- free_hda_cache(&codec->cmd_cache);
- init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info));
- init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head));
- /* free only driver_pins so that init_pins + user_pins are restored */
- snd_array_free(&codec->driver_pins);
- snd_array_free(&codec->cvt_setups);
- snd_array_free(&codec->spdif_out);
- snd_array_free(&codec->verbs);
- codec->num_pcms = 0;
- codec->pcm_info = NULL;
- codec->preset = NULL;
- codec->slave_dig_outs = NULL;
- codec->spdif_status_reset = 0;
- unload_parser(codec);
- module_put(codec->owner);
- codec->owner = NULL;
+ if (device_is_registered(hda_codec_dev(codec)))
+ device_del(hda_codec_dev(codec));
/* allow device access again */
snd_hda_unlock_devices(bus);
@@ -3153,19 +2836,19 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
long *valp = ucontrol->value.integer.value;
int change = 0;
- snd_hda_power_up(codec);
if (chs & 1) {
- change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
- HDA_AMP_MUTE,
- *valp ? 0 : HDA_AMP_MUTE);
+ change = codec_amp_update(codec, nid, 0, dir, idx,
+ HDA_AMP_MUTE,
+ *valp ? 0 : HDA_AMP_MUTE, false,
+ !hda_codec_is_power_on(codec));
valp++;
}
if (chs & 2)
- change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx,
- HDA_AMP_MUTE,
- *valp ? 0 : HDA_AMP_MUTE);
+ change |= codec_amp_update(codec, nid, 1, dir, idx,
+ HDA_AMP_MUTE,
+ *valp ? 0 : HDA_AMP_MUTE, false,
+ !hda_codec_is_power_on(codec));
hda_call_check_power_status(codec, nid);
- snd_hda_power_down(codec);
return change;
}
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
@@ -4212,31 +3895,40 @@ static inline void hda_exec_init_verbs(struct hda_codec *codec) {}
#endif
#ifdef CONFIG_PM
+/* update the power on/off account with the current jiffies */
+static void update_power_acct(struct hda_codec *codec, bool on)
+{
+ unsigned long delta = jiffies - codec->power_jiffies;
+
+ if (on)
+ codec->power_on_acct += delta;
+ else
+ codec->power_off_acct += delta;
+ codec->power_jiffies += delta;
+}
+
+void snd_hda_update_power_acct(struct hda_codec *codec)
+{
+ update_power_acct(codec, hda_codec_is_power_on(codec));
+}
+
/*
* call suspend and power-down; used both from PM and power-save
* this function returns the power state in the end
*/
-static unsigned int hda_call_codec_suspend(struct hda_codec *codec, bool in_wq)
+static unsigned int hda_call_codec_suspend(struct hda_codec *codec)
{
unsigned int state;
- codec->in_pm = 1;
+ atomic_inc(&codec->in_pm);
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec);
hda_cleanup_all_streams(codec);
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_on = 0;
- codec->power_transition = 0;
- codec->power_jiffies = jiffies;
- spin_unlock(&codec->power_lock);
- codec->in_pm = 0;
+ update_power_acct(codec, true);
+ atomic_dec(&codec->in_pm);
return state;
}
@@ -4261,14 +3953,13 @@ static void hda_mark_cmd_cache_dirty(struct hda_codec *codec)
*/
static void hda_call_codec_resume(struct hda_codec *codec)
{
- codec->in_pm = 1;
+ atomic_inc(&codec->in_pm);
+ trace_hda_power_up(codec);
hda_mark_cmd_cache_dirty(codec);
- /* set as if powered on for avoiding re-entering the resume
- * in the resume / power-save sequence
- */
- hda_keep_power_on(codec);
+ codec->power_jiffies = jiffies;
+
hda_set_power_state(codec, AC_PWRST_D0);
restore_shutup_pins(codec);
hda_exec_init_verbs(codec);
@@ -4286,64 +3977,63 @@ static void hda_call_codec_resume(struct hda_codec *codec)
hda_jackpoll_work(&codec->jackpoll_work.work);
else
snd_hda_jack_report_sync(codec);
-
- codec->in_pm = 0;
- snd_hda_power_down(codec); /* flag down before returning */
+ atomic_dec(&codec->in_pm);
}
-#endif /* CONFIG_PM */
+static int hda_codec_runtime_suspend(struct device *dev)
+{
+ struct hda_codec *codec = dev_to_hda_codec(dev);
+ struct hda_pcm *pcm;
+ unsigned int state;
-/**
- * snd_hda_build_controls - build mixer controls
- * @bus: the BUS
- *
- * Creates mixer controls for each codec included in the bus.
- *
- * Returns 0 if successful, otherwise a negative error code.
- */
-int snd_hda_build_controls(struct hda_bus *bus)
+ cancel_delayed_work_sync(&codec->jackpoll_work);
+ list_for_each_entry(pcm, &codec->pcm_list_head, list)
+ snd_pcm_suspend_all(pcm->pcm);
+ state = hda_call_codec_suspend(codec);
+ if (codec->d3_stop_clk && codec->epss && (state & AC_PWRST_CLK_STOP_OK))
+ clear_bit(codec->addr, &codec->bus->codec_powered);
+ return 0;
+}
+
+static int hda_codec_runtime_resume(struct device *dev)
{
- struct hda_codec *codec;
+ struct hda_codec *codec = dev_to_hda_codec(dev);
- list_for_each_entry(codec, &bus->codec_list, list) {
- int err = snd_hda_codec_build_controls(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot build controls for #%d (error %d)\n",
- codec->addr, err);
- err = snd_hda_codec_reset(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot revert codec\n");
- return err;
- }
- }
- }
+ set_bit(codec->addr, &codec->bus->codec_powered);
+ hda_call_codec_resume(codec);
+ pm_runtime_mark_last_busy(dev);
return 0;
}
-EXPORT_SYMBOL_GPL(snd_hda_build_controls);
+#endif /* CONFIG_PM */
+
+/* referred in hda_bind.c */
+const struct dev_pm_ops hda_codec_driver_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(hda_codec_runtime_suspend, hda_codec_runtime_resume,
+ NULL)
+};
/*
* add standard channel maps if not specified
*/
static int add_std_chmaps(struct hda_codec *codec)
{
- int i, str, err;
+ struct hda_pcm *pcm;
+ int str, err;
- for (i = 0; i < codec->num_pcms; i++) {
+ list_for_each_entry(pcm, &codec->pcm_list_head, list) {
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 hda_pcm_stream *hinfo = &pcm->stream[str];
struct snd_pcm_chmap *chmap;
const struct snd_pcm_chmap_elem *elem;
- if (codec->pcm_info[i].own_chmap)
+ if (pcm->own_chmap)
continue;
if (!pcm || !hinfo->substreams)
continue;
elem = hinfo->chmap ? hinfo->chmap : snd_pcm_std_chmaps;
- err = snd_pcm_add_chmap_ctls(pcm, str, elem,
+ err = snd_pcm_add_chmap_ctls(pcm->pcm, str, elem,
hinfo->channels_max,
0, &chmap);
if (err < 0)
@@ -4792,7 +4482,11 @@ int snd_hda_codec_prepare(struct hda_codec *codec,
{
int ret;
mutex_lock(&codec->bus->prepare_mutex);
- ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream);
+ if (hinfo->ops.prepare)
+ ret = hinfo->ops.prepare(hinfo, codec, stream, format,
+ substream);
+ else
+ ret = -ENODEV;
if (ret >= 0)
purify_inactive_streams(codec);
mutex_unlock(&codec->bus->prepare_mutex);
@@ -4813,7 +4507,8 @@ void snd_hda_codec_cleanup(struct hda_codec *codec,
struct snd_pcm_substream *substream)
{
mutex_lock(&codec->bus->prepare_mutex);
- hinfo->ops.cleanup(hinfo, codec, substream);
+ if (hinfo->ops.cleanup)
+ hinfo->ops.cleanup(hinfo, codec, substream);
mutex_unlock(&codec->bus->prepare_mutex);
}
EXPORT_SYMBOL_GPL(snd_hda_codec_cleanup);
@@ -4871,112 +4566,84 @@ static int get_empty_pcm_device(struct hda_bus *bus, unsigned int type)
return -EAGAIN;
}
-/*
- * attach a new PCM stream
- */
-static int snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm)
+/* call build_pcms ops of the given codec and set up the default parameters */
+int snd_hda_codec_parse_pcms(struct hda_codec *codec)
{
- struct hda_bus *bus = codec->bus;
- struct hda_pcm_stream *info;
- int stream, err;
+ struct hda_pcm *cpcm;
+ int err;
- if (snd_BUG_ON(!pcm->name))
- return -EINVAL;
- for (stream = 0; stream < 2; stream++) {
- info = &pcm->stream[stream];
- if (info->substreams) {
+ if (!list_empty(&codec->pcm_list_head))
+ return 0; /* already parsed */
+
+ if (!codec->patch_ops.build_pcms)
+ return 0;
+
+ err = codec->patch_ops.build_pcms(codec);
+ if (err < 0) {
+ codec_err(codec, "cannot build PCMs for #%d (error %d)\n",
+ codec->addr, err);
+ return err;
+ }
+
+ list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ struct hda_pcm_stream *info = &cpcm->stream[stream];
+
+ if (!info->substreams)
+ continue;
err = set_pcm_default_values(codec, info);
- if (err < 0)
+ if (err < 0) {
+ codec_warn(codec,
+ "fail to setup default for PCM %s\n",
+ cpcm->name);
return err;
+ }
}
}
- return bus->ops.attach_pcm(bus, codec, pcm);
+
+ return 0;
}
/* assign all PCMs of the given codec */
int snd_hda_codec_build_pcms(struct hda_codec *codec)
{
- unsigned int pcm;
- int err;
+ struct hda_bus *bus = codec->bus;
+ struct hda_pcm *cpcm;
+ int dev, err;
- if (!codec->num_pcms) {
- if (!codec->patch_ops.build_pcms)
- return 0;
- err = codec->patch_ops.build_pcms(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot build PCMs for #%d (error %d)\n",
- codec->addr, err);
- err = snd_hda_codec_reset(codec);
- if (err < 0) {
- codec_err(codec,
- "cannot revert codec\n");
- return err;
- }
- }
+ if (snd_BUG_ON(!bus->ops.attach_pcm))
+ return -EINVAL;
+
+ err = snd_hda_codec_parse_pcms(codec);
+ if (err < 0) {
+ snd_hda_codec_reset(codec);
+ return err;
}
- for (pcm = 0; pcm < codec->num_pcms; pcm++) {
- struct hda_pcm *cpcm = &codec->pcm_info[pcm];
- int dev;
+ /* attach a new PCM streams */
+ list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
+ if (cpcm->pcm)
+ continue; /* already attached */
if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams)
continue; /* no substreams assigned */
- if (!cpcm->pcm) {
- dev = get_empty_pcm_device(codec->bus, cpcm->pcm_type);
- if (dev < 0)
- continue; /* no fatal error */
- cpcm->device = dev;
- err = snd_hda_attach_pcm(codec, cpcm);
- if (err < 0) {
- codec_err(codec,
- "cannot attach PCM stream %d for codec #%d\n",
- dev, codec->addr);
- continue; /* no fatal error */
- }
+ dev = get_empty_pcm_device(bus, cpcm->pcm_type);
+ if (dev < 0)
+ continue; /* no fatal error */
+ cpcm->device = dev;
+ err = bus->ops.attach_pcm(bus, codec, cpcm);
+ if (err < 0) {
+ codec_err(codec,
+ "cannot attach PCM stream %d for codec #%d\n",
+ dev, codec->addr);
+ continue; /* no fatal error */
}
}
- return 0;
-}
-/**
- * snd_hda_build_pcms - build PCM information
- * @bus: the BUS
- *
- * Create PCM information for each codec included in the bus.
- *
- * The build_pcms codec patch is requested to set up codec->num_pcms and
- * codec->pcm_info properly. The array is referred by the top-level driver
- * to create its PCM instances.
- * The allocated codec->pcm_info should be released in codec->patch_ops.free
- * callback.
- *
- * At least, substreams, channels_min and channels_max must be filled for
- * each stream. substreams = 0 indicates that the stream doesn't exist.
- * When rates and/or formats are zero, the supported values are queried
- * from the given nid. The nid is used also by the default ops.prepare
- * and ops.cleanup callbacks.
- *
- * The driver needs to call ops.open in its open callback. Similarly,
- * ops.close is supposed to be called in the close callback.
- * ops.prepare should be called in the prepare or hw_params callback
- * with the proper parameters for set up.
- * ops.cleanup should be called in hw_free for clean up of streams.
- *
- * This function returns 0 if successful, or a negative error code.
- */
-int snd_hda_build_pcms(struct hda_bus *bus)
-{
- struct hda_codec *codec;
-
- list_for_each_entry(codec, &bus->codec_list, list) {
- int err = snd_hda_codec_build_pcms(codec);
- if (err < 0)
- return err;
- }
return 0;
}
-EXPORT_SYMBOL_GPL(snd_hda_build_pcms);
/**
* snd_hda_add_new_ctls - create controls from the array
@@ -5029,127 +4696,70 @@ int snd_hda_add_new_ctls(struct hda_codec *codec,
EXPORT_SYMBOL_GPL(snd_hda_add_new_ctls);
#ifdef CONFIG_PM
-static void hda_power_work(struct work_struct *work)
+/**
+ * snd_hda_power_up - Power-up the codec
+ * @codec: HD-audio codec
+ *
+ * Increment the usage counter and resume the device if not done yet.
+ */
+void snd_hda_power_up(struct hda_codec *codec)
{
- struct hda_codec *codec =
- container_of(work, struct hda_codec, power_work.work);
- struct hda_bus *bus = codec->bus;
- unsigned int state;
+ struct device *dev = hda_codec_dev(codec);
- spin_lock(&codec->power_lock);
- if (codec->power_transition > 0) { /* during power-up sequence? */
- spin_unlock(&codec->power_lock);
- return;
- }
- if (!codec->power_on || codec->power_count) {
- codec->power_transition = 0;
- spin_unlock(&codec->power_lock);
+ if (codec_in_pm(codec))
return;
- }
- spin_unlock(&codec->power_lock);
-
- state = hda_call_codec_suspend(codec, true);
- if (!bus->power_keep_link_on && (state & AC_PWRST_CLK_STOP_OK))
- hda_call_pm_notify(codec, false);
+ pm_runtime_get_sync(dev);
}
+EXPORT_SYMBOL_GPL(snd_hda_power_up);
-static void hda_keep_power_on(struct hda_codec *codec)
-{
- spin_lock(&codec->power_lock);
- codec->power_count++;
- codec->power_on = 1;
- codec->power_jiffies = jiffies;
- spin_unlock(&codec->power_lock);
- hda_call_pm_notify(codec, true);
-}
-
-/* update the power on/off account with the current jiffies */
-void snd_hda_update_power_acct(struct hda_codec *codec)
-{
- unsigned long delta = jiffies - codec->power_jiffies;
- if (codec->power_on)
- codec->power_on_acct += delta;
- else
- codec->power_off_acct += delta;
- codec->power_jiffies += delta;
-}
-
-/* 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)
+/**
+ * snd_hda_power_down - Power-down the codec
+ * @codec: HD-audio codec
+ *
+ * Decrement the usage counter and schedules the autosuspend if none used.
+ */
+void snd_hda_power_down(struct hda_codec *codec)
{
- /* 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))
- return;
- spin_unlock(&codec->power_lock);
-
- cancel_delayed_work_sync(&codec->power_work);
+ struct device *dev = hda_codec_dev(codec);
- spin_lock(&codec->power_lock);
- /* If the power down delayed work was cancelled above before starting,
- * then there is no need to go through power up here.
- */
- if (codec->power_on) {
- if (codec->power_transition < 0)
- codec->power_transition = 0;
+ if (codec_in_pm(codec))
return;
- }
-
- trace_hda_power_up(codec);
- snd_hda_update_power_acct(codec);
- codec->power_on = 1;
- codec->power_jiffies = jiffies;
- codec->power_transition = 1; /* avoid reentrance */
- spin_unlock(&codec->power_lock);
-
- hda_call_codec_resume(codec);
-
- spin_lock(&codec->power_lock);
- codec->power_transition = 0;
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
}
+EXPORT_SYMBOL_GPL(snd_hda_power_down);
-#define power_save(codec) \
- ((codec)->bus->power_save ? *(codec)->bus->power_save : 0)
-
-/* Transition to powered down */
-static void __snd_hda_power_down(struct hda_codec *codec)
+static void codec_set_power_save(struct hda_codec *codec, int delay)
{
- if (!codec->power_on || codec->power_count || codec->power_transition)
- return;
+ struct device *dev = hda_codec_dev(codec);
- 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));
+ if (delay > 0) {
+ pm_runtime_set_autosuspend_delay(dev, delay);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_allow(dev);
+ if (!pm_runtime_suspended(dev))
+ pm_runtime_mark_last_busy(dev);
+ } else {
+ pm_runtime_dont_use_autosuspend(dev);
+ pm_runtime_forbid(dev);
}
}
/**
- * snd_hda_power_save - Power-up/down/sync the codec
- * @codec: HD-audio codec
- * @delta: the counter delta to change
- * @d3wait: sync for D3 transition complete
+ * snd_hda_set_power_save - reprogram autosuspend for the given delay
+ * @bus: HD-audio bus
+ * @delay: autosuspend delay in msec, 0 = off
*
- * 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.
+ * Synchronize the runtime PM autosuspend state from the power_save option.
*/
-void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait)
+void snd_hda_set_power_save(struct hda_bus *bus, int delay)
{
- 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);
+ struct hda_codec *c;
+
+ list_for_each_entry(c, &bus->codec_list, list)
+ codec_set_power_save(c, delay);
}
-EXPORT_SYMBOL_GPL(snd_hda_power_save);
+EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
/**
* snd_hda_check_amp_list_power - Check the amp list and update the power
@@ -5203,88 +4813,6 @@ EXPORT_SYMBOL_GPL(snd_hda_check_amp_list_power);
#endif
/*
- * Channel mode helper
- */
-
-/**
- * snd_hda_ch_mode_info - Info callback helper for the channel mode enum
- * @codec: the HDA codec
- * @uinfo: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- */
-int snd_hda_ch_mode_info(struct hda_codec *codec,
- struct snd_ctl_elem_info *uinfo,
- const struct hda_channel_mode *chmode,
- int num_chmodes)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
- uinfo->count = 1;
- uinfo->value.enumerated.items = num_chmodes;
- if (uinfo->value.enumerated.item >= num_chmodes)
- uinfo->value.enumerated.item = num_chmodes - 1;
- sprintf(uinfo->value.enumerated.name, "%dch",
- chmode[uinfo->value.enumerated.item].channels);
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_info);
-
-/**
- * snd_hda_ch_mode_get - Get callback helper for the channel mode enum
- * @codec: the HDA codec
- * @ucontrol: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- * @max_channels: max number of channels
- */
-int snd_hda_ch_mode_get(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int max_channels)
-{
- int i;
-
- for (i = 0; i < num_chmodes; i++) {
- if (max_channels == chmode[i].channels) {
- ucontrol->value.enumerated.item[0] = i;
- break;
- }
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_get);
-
-/**
- * snd_hda_ch_mode_put - Put callback helper for the channel mode enum
- * @codec: the HDA codec
- * @ucontrol: pointer to get/store the data
- * @chmode: channel mode array
- * @num_chmodes: channel mode array size
- * @max_channelsp: pointer to store the max channels
- */
-int snd_hda_ch_mode_put(struct hda_codec *codec,
- struct snd_ctl_elem_value *ucontrol,
- const struct hda_channel_mode *chmode,
- int num_chmodes,
- int *max_channelsp)
-{
- unsigned int mode;
-
- mode = ucontrol->value.enumerated.item[0];
- if (mode >= num_chmodes)
- return -EINVAL;
- if (*max_channelsp == chmode[mode].channels)
- return 0;
- /* change the current channel setting */
- *max_channelsp = chmode[mode].channels;
- if (chmode[mode].sequence)
- snd_hda_sequence_write_cache(codec, chmode[mode].sequence);
- return 1;
-}
-EXPORT_SYMBOL_GPL(snd_hda_ch_mode_put);
-
-/*
* input MUX helper
*/
@@ -5418,24 +4946,6 @@ static void cleanup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid)
}
/**
- * snd_hda_bus_reboot_notify - call the reboot notifier of each codec
- * @bus: HD-audio bus
- */
-void snd_hda_bus_reboot_notify(struct hda_bus *bus)
-{
- struct hda_codec *codec;
-
- if (!bus)
- return;
- list_for_each_entry(codec, &bus->codec_list, list) {
- if (hda_codec_is_power_on(codec) &&
- codec->patch_ops.reboot_notify)
- codec->patch_ops.reboot_notify(codec);
- }
-}
-EXPORT_SYMBOL_GPL(snd_hda_bus_reboot_notify);
-
-/**
* snd_hda_multi_out_dig_open - open the digital out in the exclusive mode
* @codec: the HDA codec
* @mout: hda_multi_out object
@@ -5825,77 +5335,26 @@ int snd_hda_add_imux_item(struct hda_codec *codec,
}
EXPORT_SYMBOL_GPL(snd_hda_add_imux_item);
-
-#ifdef CONFIG_PM
-/*
- * power management
- */
-
-
-static void hda_async_suspend(void *data, async_cookie_t cookie)
-{
- hda_call_codec_suspend(data, false);
-}
-
-static void hda_async_resume(void *data, async_cookie_t cookie)
-{
- hda_call_codec_resume(data);
-}
-
/**
- * snd_hda_suspend - suspend the codecs
- * @bus: the HDA bus
- *
- * Returns 0 if successful.
+ * snd_hda_bus_reset - Reset the bus
+ * @bus: HD-audio bus
*/
-int snd_hda_suspend(struct hda_bus *bus)
+void snd_hda_bus_reset(struct hda_bus *bus)
{
struct hda_codec *codec;
- ASYNC_DOMAIN_EXCLUSIVE(domain);
list_for_each_entry(codec, &bus->codec_list, list) {
+ /* FIXME: maybe a better way needed for forced reset */
cancel_delayed_work_sync(&codec->jackpoll_work);
+#ifdef CONFIG_PM
if (hda_codec_is_power_on(codec)) {
- if (bus->num_codecs > 1)
- async_schedule_domain(hda_async_suspend, codec,
- &domain);
- else
- hda_call_codec_suspend(codec, false);
- }
- }
-
- if (bus->num_codecs > 1)
- async_synchronize_full_domain(&domain);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(snd_hda_suspend);
-
-/**
- * snd_hda_resume - resume the codecs
- * @bus: the HDA bus
- *
- * Returns 0 if successful.
- */
-int snd_hda_resume(struct hda_bus *bus)
-{
- struct hda_codec *codec;
- ASYNC_DOMAIN_EXCLUSIVE(domain);
-
- list_for_each_entry(codec, &bus->codec_list, list) {
- if (bus->num_codecs > 1)
- async_schedule_domain(hda_async_resume, codec, &domain);
- else
+ hda_call_codec_suspend(codec);
hda_call_codec_resume(codec);
+ }
+#endif
}
-
- if (bus->num_codecs > 1)
- async_synchronize_full_domain(&domain);
-
- return 0;
}
-EXPORT_SYMBOL_GPL(snd_hda_resume);
-#endif /* CONFIG_PM */
+EXPORT_SYMBOL_GPL(snd_hda_bus_reset);
/*
* generic arrays