diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r-- | sound/pci/hda/hda_codec.c | 1225 |
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 |