diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 735 |
1 files changed, 557 insertions, 178 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index f87f8f088956..187533e477c6 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -31,7 +31,15 @@ #include <sound/tlv.h> #include <sound/initval.h> #include "hda_local.h" - +#include <sound/hda_hwdep.h> + +#ifdef CONFIG_SND_HDA_POWER_SAVE +/* define this option here to hide as static */ +static int power_save = CONFIG_SND_HDA_POWER_SAVE_DEFAULT; +module_param(power_save, int, 0644); +MODULE_PARM_DESC(power_save, "Automatic power-saving timeout " + "(in second, 0 = disable)."); +#endif /* * vendor / preset table @@ -59,6 +67,13 @@ static struct hda_vendor_id hda_vendor_ids[] = { #include "hda_patch.h" +#ifdef CONFIG_SND_HDA_POWER_SAVE +static void hda_power_work(struct work_struct *work); +static void hda_keep_power_on(struct hda_codec *codec); +#else +static inline void hda_keep_power_on(struct hda_codec *codec) {} +#endif + /** * snd_hda_codec_read - send a command and get the response * @codec: the HDA codec @@ -76,12 +91,14 @@ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, unsigned int verb, unsigned int parm) { unsigned int res; + snd_hda_power_up(codec); mutex_lock(&codec->bus->cmd_mutex); if (!codec->bus->ops.command(codec, nid, direct, verb, parm)) res = codec->bus->ops.get_response(codec); else res = (unsigned int)-1; mutex_unlock(&codec->bus->cmd_mutex); + snd_hda_power_down(codec); return res; } @@ -101,9 +118,11 @@ int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, unsigned int verb, unsigned int parm) { int err; + snd_hda_power_up(codec); mutex_lock(&codec->bus->cmd_mutex); err = codec->bus->ops.command(codec, nid, direct, verb, parm); mutex_unlock(&codec->bus->cmd_mutex); + snd_hda_power_down(codec); return err; } @@ -136,6 +155,8 @@ int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, unsigned int parm; parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT); + if (parm == -1) + return 0; *start_id = (parm >> 16) & 0x7fff; return (int)(parm & 0x7fff); } @@ -387,6 +408,13 @@ int __devinit snd_hda_bus_new(struct snd_card *card, return 0; } +#ifdef CONFIG_SND_HDA_GENERIC +#define is_generic_config(codec) \ + (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic")) +#else +#define is_generic_config(codec) 0 +#endif + /* * find a matching codec preset */ @@ -395,7 +423,7 @@ find_codec_preset(struct hda_codec *codec) { const struct hda_codec_preset **tbl, *preset; - if (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic")) + if (is_generic_config(codec)) return NULL; /* use the generic parser */ for (tbl = hda_preset_tables; *tbl; tbl++) { @@ -486,6 +514,10 @@ static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node) } +static void init_hda_cache(struct hda_cache_rec *cache, + unsigned int record_size); +static void free_hda_cache(struct hda_cache_rec *cache); + /* * codec destructor */ @@ -493,17 +525,20 @@ static void snd_hda_codec_free(struct hda_codec *codec) { if (!codec) return; +#ifdef CONFIG_SND_HDA_POWER_SAVE + cancel_delayed_work(&codec->power_work); + flush_scheduled_work(); +#endif list_del(&codec->list); codec->bus->caddr_tbl[codec->addr] = NULL; if (codec->patch_ops.free) codec->patch_ops.free(codec); - kfree(codec->amp_info); + free_hda_cache(&codec->amp_cache); + free_hda_cache(&codec->cmd_cache); kfree(codec->wcaps); kfree(codec); } -static void init_amp_hash(struct hda_codec *codec); - /** * snd_hda_codec_new - create a HDA codec * @bus: the bus to assign @@ -537,7 +572,17 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, codec->bus = bus; codec->addr = codec_addr; mutex_init(&codec->spdif_mutex); - init_amp_hash(codec); + init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); + init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); + +#ifdef CONFIG_SND_HDA_POWER_SAVE + 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. + */ + hda_keep_power_on(codec); +#endif list_add_tail(&codec->list, &bus->codec_list); bus->caddr_tbl[codec_addr] = codec; @@ -581,10 +626,26 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, snd_hda_get_codec_name(codec, bus->card->mixername, sizeof(bus->card->mixername)); - if (codec->preset && codec->preset->patch) - err = codec->preset->patch(codec); - else +#ifdef CONFIG_SND_HDA_GENERIC + if (is_generic_config(codec)) { err = snd_hda_parse_generic_codec(codec); + goto patched; + } +#endif + if (codec->preset && codec->preset->patch) { + err = codec->preset->patch(codec); + goto patched; + } + + /* call the default parser */ +#ifdef CONFIG_SND_HDA_GENERIC + err = snd_hda_parse_generic_codec(codec); +#else + printk(KERN_ERR "hda-codec: No codec parser is available\n"); + err = -ENODEV; +#endif + + patched: if (err < 0) { snd_hda_codec_free(codec); return err; @@ -594,6 +655,9 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, init_unsol_queue(bus); snd_hda_codec_proc_new(codec); +#ifdef CONFIG_SND_HDA_HWDEP + snd_hda_create_hwdep(codec); +#endif sprintf(component, "HDA:%08x", codec->vendor_id); snd_component_add(codec->bus->card, component); @@ -637,59 +701,72 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, #define INFO_AMP_VOL(ch) (1 << (1 + (ch))) /* initialize the hash table */ -static void __devinit init_amp_hash(struct hda_codec *codec) +static void __devinit init_hda_cache(struct hda_cache_rec *cache, + unsigned int record_size) +{ + memset(cache, 0, sizeof(*cache)); + memset(cache->hash, 0xff, sizeof(cache->hash)); + cache->record_size = record_size; +} + +static void free_hda_cache(struct hda_cache_rec *cache) { - memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash)); - codec->num_amp_entries = 0; - codec->amp_info_size = 0; - codec->amp_info = NULL; + kfree(cache->buffer); } /* query the hash. allocate an entry if not found. */ -static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key) +static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache, + u32 key) { - u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash); - u16 cur = codec->amp_hash[idx]; - struct hda_amp_info *info; + u16 idx = key % (u16)ARRAY_SIZE(cache->hash); + u16 cur = cache->hash[idx]; + struct hda_cache_head *info; while (cur != 0xffff) { - info = &codec->amp_info[cur]; + info = (struct hda_cache_head *)(cache->buffer + + cur * cache->record_size); if (info->key == key) return info; cur = info->next; } /* add a new hash entry */ - if (codec->num_amp_entries >= codec->amp_info_size) { + if (cache->num_entries >= cache->size) { /* reallocate the array */ - int new_size = codec->amp_info_size + 64; - struct hda_amp_info *new_info; - new_info = kcalloc(new_size, sizeof(struct hda_amp_info), - GFP_KERNEL); - if (!new_info) { + unsigned int new_size = cache->size + 64; + void *new_buffer; + new_buffer = kcalloc(new_size, cache->record_size, GFP_KERNEL); + if (!new_buffer) { snd_printk(KERN_ERR "hda_codec: " "can't malloc amp_info\n"); return NULL; } - if (codec->amp_info) { - memcpy(new_info, codec->amp_info, - codec->amp_info_size * - sizeof(struct hda_amp_info)); - kfree(codec->amp_info); + if (cache->buffer) { + memcpy(new_buffer, cache->buffer, + cache->size * cache->record_size); + kfree(cache->buffer); } - codec->amp_info_size = new_size; - codec->amp_info = new_info; + cache->size = new_size; + cache->buffer = new_buffer; } - cur = codec->num_amp_entries++; - info = &codec->amp_info[cur]; + cur = cache->num_entries++; + info = (struct hda_cache_head *)(cache->buffer + + cur * cache->record_size); info->key = key; - info->status = 0; /* not initialized yet */ - info->next = codec->amp_hash[idx]; - codec->amp_hash[idx] = cur; + info->val = 0; + info->next = cache->hash[idx]; + cache->hash[idx] = cur; return info; } +/* query and allocate an amp hash entry */ +static inline struct hda_amp_info * +get_alloc_amp_hash(struct hda_codec *codec, u32 key) +{ + return (struct hda_amp_info *)get_alloc_hash(&codec->amp_cache, key); +} + /* * query AMP capabilities for the given widget and direction */ @@ -700,7 +777,7 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); if (!info) return 0; - if (!(info->status & INFO_AMP_CAPS)) { + if (!(info->head.val & INFO_AMP_CAPS)) { if (!(get_wcaps(codec, nid) & AC_WCAP_AMP_OVRD)) nid = codec->afg; info->amp_caps = snd_hda_param_read(codec, nid, @@ -708,7 +785,7 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); if (info->amp_caps) - info->status |= INFO_AMP_CAPS; + info->head.val |= INFO_AMP_CAPS; } return info->amp_caps; } @@ -722,7 +799,7 @@ int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, if (!info) return -EINVAL; info->amp_caps = caps; - info->status |= INFO_AMP_CAPS; + info->head.val |= INFO_AMP_CAPS; return 0; } @@ -736,7 +813,7 @@ static unsigned int get_vol_mute(struct hda_codec *codec, { u32 val, parm; - if (info->status & INFO_AMP_VOL(ch)) + if (info->head.val & INFO_AMP_VOL(ch)) return info->vol[ch]; parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT; @@ -745,7 +822,7 @@ static unsigned int get_vol_mute(struct hda_codec *codec, val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm); info->vol[ch] = val & 0xff; - info->status |= INFO_AMP_VOL(ch); + info->head.val |= INFO_AMP_VOL(ch); return info->vol[ch]; } @@ -792,12 +869,50 @@ int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, return 0; val &= mask; val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; - if (info->vol[ch] == val && !codec->in_resume) + if (info->vol[ch] == val) return 0; put_vol_mute(codec, info, nid, ch, direction, idx, val); return 1; } +/* + * update the AMP stereo with the same mask and value + */ +int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, + int direction, int idx, int mask, int val) +{ + int ch, ret = 0; + for (ch = 0; ch < 2; ch++) + ret |= snd_hda_codec_amp_update(codec, nid, ch, direction, + idx, mask, val); + return ret; +} + +#ifdef SND_HDA_NEEDS_RESUME +/* resume the all amp commands from the cache */ +void snd_hda_codec_resume_amp(struct hda_codec *codec) +{ + struct hda_amp_info *buffer = codec->amp_cache.buffer; + int i; + + for (i = 0; i < codec->amp_cache.size; i++, buffer++) { + u32 key = buffer->head.key; + hda_nid_t nid; + unsigned int idx, dir, ch; + if (!key) + continue; + nid = key & 0xff; + idx = (key >> 16) & 0xff; + dir = (key >> 24) & 0xff; + for (ch = 0; ch < 2; ch++) { + if (!(buffer->head.val & INFO_AMP_VOL(ch))) + continue; + put_vol_mute(codec, buffer, nid, ch, dir, idx, + buffer->vol[ch]); + } + } +} +#endif /* SND_HDA_NEEDS_RESUME */ /* * AMP control callbacks @@ -844,9 +959,11 @@ int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, long *valp = ucontrol->value.integer.value; if (chs & 1) - *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f; + *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) + & HDA_AMP_VOLMASK; if (chs & 2) - *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f; + *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) + & HDA_AMP_VOLMASK; return 0; } @@ -861,6 +978,7 @@ 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 = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, 0x7f, *valp); @@ -869,6 +987,7 @@ int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, if (chs & 2) change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, 0x7f, *valp); + snd_hda_power_down(codec); return change; } @@ -923,10 +1042,10 @@ int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, if (chs & 1) *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & - 0x80) ? 0 : 1; + HDA_AMP_MUTE) ? 0 : 1; if (chs & 2) *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & - 0x80) ? 0 : 1; + HDA_AMP_MUTE) ? 0 : 1; return 0; } @@ -941,15 +1060,22 @@ 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, - 0x80, *valp ? 0 : 0x80); + HDA_AMP_MUTE, + *valp ? 0 : HDA_AMP_MUTE); valp++; } if (chs & 2) change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, - 0x80, *valp ? 0 : 0x80); - + HDA_AMP_MUTE, + *valp ? 0 : HDA_AMP_MUTE); +#ifdef CONFIG_SND_HDA_POWER_SAVE + if (codec->patch_ops.check_power_status) + codec->patch_ops.check_power_status(codec, nid); +#endif + snd_hda_power_down(codec); return change; } @@ -1002,6 +1128,93 @@ int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, } /* + * generic bound volume/swtich controls + */ +int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + int err; + + c = (struct hda_bind_ctls *)kcontrol->private_value; + mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ + kcontrol->private_value = *c->values; + err = c->ops->info(kcontrol, uinfo); + kcontrol->private_value = (long)c; + mutex_unlock(&codec->spdif_mutex); + return err; +} + +int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + int err; + + c = (struct hda_bind_ctls *)kcontrol->private_value; + mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ + kcontrol->private_value = *c->values; + err = c->ops->get(kcontrol, ucontrol); + kcontrol->private_value = (long)c; + mutex_unlock(&codec->spdif_mutex); + return err; +} + +int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + unsigned long *vals; + int err = 0, change = 0; + + c = (struct hda_bind_ctls *)kcontrol->private_value; + mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ + for (vals = c->values; *vals; vals++) { + kcontrol->private_value = *vals; + err = c->ops->put(kcontrol, ucontrol); + if (err < 0) + break; + change |= err; + } + kcontrol->private_value = (long)c; + mutex_unlock(&codec->spdif_mutex); + return err < 0 ? err : change; +} + +int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, + unsigned int size, unsigned int __user *tlv) +{ + struct hda_codec *codec = snd_kcontrol_chip(kcontrol); + struct hda_bind_ctls *c; + int err; + + c = (struct hda_bind_ctls *)kcontrol->private_value; + mutex_lock(&codec->spdif_mutex); /* reuse spdif_mutex */ + kcontrol->private_value = *c->values; + err = c->ops->tlv(kcontrol, op_flag, size, tlv); + kcontrol->private_value = (long)c; + mutex_unlock(&codec->spdif_mutex); + return err; +} + +struct hda_ctl_ops snd_hda_bind_vol = { + .info = snd_hda_mixer_amp_volume_info, + .get = snd_hda_mixer_amp_volume_get, + .put = snd_hda_mixer_amp_volume_put, + .tlv = snd_hda_mixer_amp_tlv +}; + +struct hda_ctl_ops snd_hda_bind_sw = { + .info = snd_hda_mixer_amp_switch_info, + .get = snd_hda_mixer_amp_switch_get, + .put = snd_hda_mixer_amp_switch_put, + .tlv = snd_hda_mixer_amp_tlv +}; + +/* * SPDIF out controls */ @@ -1118,26 +1331,20 @@ static int snd_hda_spdif_default_put(struct snd_kcontrol *kcontrol, change = codec->spdif_ctls != val; codec->spdif_ctls = val; - if (change || codec->in_resume) { - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, - val & 0xff); - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, - val >> 8); + if (change) { + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_DIGI_CONVERT_1, + val & 0xff); + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_DIGI_CONVERT_2, + val >> 8); } mutex_unlock(&codec->spdif_mutex); return change; } -static int snd_hda_spdif_out_switch_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; - uinfo->count = 1; - uinfo->value.integer.min = 0; - uinfo->value.integer.max = 1; - return 0; -} +#define snd_hda_spdif_out_switch_info snd_ctl_boolean_mono_info static int snd_hda_spdif_out_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) @@ -1161,17 +1368,16 @@ static int snd_hda_spdif_out_switch_put(struct snd_kcontrol *kcontrol, if (ucontrol->value.integer.value[0]) val |= AC_DIG1_ENABLE; change = codec->spdif_ctls != val; - if (change || codec->in_resume) { + if (change) { codec->spdif_ctls = val; - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, - val & 0xff); + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_DIGI_CONVERT_1, + val & 0xff); /* unmute amp switch (if any) */ if ((get_wcaps(codec, nid) & AC_WCAP_OUT_AMP) && (val & AC_DIG1_ENABLE)) - snd_hda_codec_write(codec, nid, 0, - AC_VERB_SET_AMP_GAIN_MUTE, - AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT | - AC_AMP_SET_OUTPUT); + snd_hda_codec_amp_stereo(codec, nid, HDA_OUTPUT, 0, + HDA_AMP_MUTE, 0); } mutex_unlock(&codec->spdif_mutex); return change; @@ -1219,8 +1425,7 @@ static struct snd_kcontrol_new dig_mixes[] = { * * Returns 0 if successful, or a negative error code. */ -int __devinit snd_hda_create_spdif_out_ctls(struct hda_codec *codec, - hda_nid_t nid) +int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) { int err; struct snd_kcontrol *kctl; @@ -1264,10 +1469,10 @@ static int snd_hda_spdif_in_switch_put(struct snd_kcontrol *kcontrol, mutex_lock(&codec->spdif_mutex); change = codec->spdif_in_enable != val; - if (change || codec->in_resume) { + if (change) { codec->spdif_in_enable = val; - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, - val); + snd_hda_codec_write_cache(codec, nid, 0, + AC_VERB_SET_DIGI_CONVERT_1, val); } mutex_unlock(&codec->spdif_mutex); return change; @@ -1318,8 +1523,7 @@ static struct snd_kcontrol_new dig_in_ctls[] = { * * Returns 0 if successful, or a negative error code. */ -int __devinit snd_hda_create_spdif_in_ctls(struct hda_codec *codec, - hda_nid_t nid) +int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) { int err; struct snd_kcontrol *kctl; @@ -1338,6 +1542,79 @@ int __devinit snd_hda_create_spdif_in_ctls(struct hda_codec *codec, return 0; } +#ifdef SND_HDA_NEEDS_RESUME +/* + * command cache + */ + +/* build a 32bit cache key with the widget id and the command parameter */ +#define build_cmd_cache_key(nid, verb) ((verb << 8) | nid) +#define get_cmd_cache_nid(key) ((key) & 0xff) +#define get_cmd_cache_cmd(key) (((key) >> 8) & 0xffff) + +/** + * snd_hda_codec_write_cache - send a single command with caching + * @codec: the HDA codec + * @nid: NID to send the command + * @direct: direct flag + * @verb: the verb to send + * @parm: the parameter for the verb + * + * Send a single command without waiting for response. + * + * Returns 0 if successful, or a negative error code. + */ +int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, + int direct, unsigned int verb, unsigned int parm) +{ + int err; + snd_hda_power_up(codec); + mutex_lock(&codec->bus->cmd_mutex); + err = codec->bus->ops.command(codec, nid, direct, verb, parm); + if (!err) { + struct hda_cache_head *c; + u32 key = build_cmd_cache_key(nid, verb); + c = get_alloc_hash(&codec->cmd_cache, key); + if (c) + c->val = parm; + } + mutex_unlock(&codec->bus->cmd_mutex); + snd_hda_power_down(codec); + return err; +} + +/* resume the all commands from the cache */ +void snd_hda_codec_resume_cache(struct hda_codec *codec) +{ + struct hda_cache_head *buffer = codec->cmd_cache.buffer; + int i; + + for (i = 0; i < codec->cmd_cache.size; i++, buffer++) { + u32 key = buffer->key; + if (!key) + continue; + snd_hda_codec_write(codec, get_cmd_cache_nid(key), 0, + get_cmd_cache_cmd(key), buffer->val); + } +} + +/** + * snd_hda_sequence_write_cache - sequence writes with caching + * @codec: the HDA codec + * @seq: VERB array to send + * + * Send the commands sequentially from the given array. + * Thte commands are recorded on cache for power-save and resume. + * The array must be terminated with NID=0. + */ +void snd_hda_sequence_write_cache(struct hda_codec *codec, + const struct hda_verb *seq) +{ + for (; seq->nid; seq++) + snd_hda_codec_write_cache(codec, seq->nid, 0, seq->verb, + seq->param); +} +#endif /* SND_HDA_NEEDS_RESUME */ /* * set power state of the codec @@ -1345,23 +1622,86 @@ int __devinit snd_hda_create_spdif_in_ctls(struct hda_codec *codec, static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, unsigned int power_state) { - hda_nid_t nid, nid_start; - int nodes; + hda_nid_t nid; + int i; snd_hda_codec_write(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state); - nodes = snd_hda_get_sub_nodes(codec, fg, &nid_start); - for (nid = nid_start; nid < nodes + nid_start; nid++) { - if (get_wcaps(codec, nid) & AC_WCAP_POWER) + nid = codec->start_nid; + for (i = 0; i < codec->num_nodes; i++, nid++) { + if (get_wcaps(codec, nid) & AC_WCAP_POWER) { + unsigned int pincap; + /* + * don't power down the widget if it controls eapd + * and EAPD_BTLENABLE is set. + */ + pincap = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP); + if (pincap & AC_PINCAP_EAPD) { + int eapd = snd_hda_codec_read(codec, nid, + 0, AC_VERB_GET_EAPD_BTLENABLE, 0); + eapd &= 0x02; + if (power_state == AC_PWRST_D3 && eapd) + continue; + } snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, power_state); + } } - if (power_state == AC_PWRST_D0) + if (power_state == AC_PWRST_D0) { + unsigned long end_time; + int state; msleep(10); + /* wait until the codec reachs to D0 */ + end_time = jiffies + msecs_to_jiffies(500); + do { + state = snd_hda_codec_read(codec, fg, 0, + AC_VERB_GET_POWER_STATE, 0); + if (state == power_state) + break; + msleep(1); + } while (time_after_eq(end_time, jiffies)); + } +} + +#ifdef SND_HDA_NEEDS_RESUME +/* + * call suspend and power-down; used both from PM and power-save + */ +static void hda_call_codec_suspend(struct hda_codec *codec) +{ + if (codec->patch_ops.suspend) + codec->patch_ops.suspend(codec, PMSG_SUSPEND); + hda_set_power_state(codec, + codec->afg ? codec->afg : codec->mfg, + AC_PWRST_D3); +#ifdef CONFIG_SND_HDA_POWER_SAVE + cancel_delayed_work(&codec->power_work); + codec->power_on = 0; + codec->power_transition = 0; +#endif +} + +/* + * kick up codec; used both from PM and power-save + */ +static void hda_call_codec_resume(struct hda_codec *codec) +{ + hda_set_power_state(codec, + codec->afg ? codec->afg : codec->mfg, + AC_PWRST_D0); + if (codec->patch_ops.resume) + codec->patch_ops.resume(codec); + else { + if (codec->patch_ops.init) + codec->patch_ops.init(codec); + snd_hda_codec_resume_amp(codec); + snd_hda_codec_resume_cache(codec); + } } +#endif /* SND_HDA_NEEDS_RESUME */ /** @@ -1376,28 +1716,24 @@ int __devinit snd_hda_build_controls(struct hda_bus *bus) { struct hda_codec *codec; - /* build controls */ list_for_each_entry(codec, &bus->codec_list, list) { - int err; - if (!codec->patch_ops.build_controls) - continue; - err = codec->patch_ops.build_controls(codec); - if (err < 0) - return err; - } - - /* initialize */ - list_for_each_entry(codec, &bus->codec_list, list) { - int err; + int err = 0; + /* fake as if already powered-on */ + hda_keep_power_on(codec); + /* then fire up */ hda_set_power_state(codec, codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); - if (!codec->patch_ops.init) - continue; - err = codec->patch_ops.init(codec); + /* continue to initialize... */ + if (codec->patch_ops.init) + err = codec->patch_ops.init(codec); + if (!err && codec->patch_ops.build_controls) + err = codec->patch_ops.build_controls(codec); + snd_hda_power_down(codec); if (err < 0) return err; } + return 0; } @@ -1789,9 +2125,9 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus) * * If no entries are matching, the function returns a negative value. */ -int __devinit snd_hda_check_board_config(struct hda_codec *codec, - int num_configs, const char **models, - const struct snd_pci_quirk *tbl) +int snd_hda_check_board_config(struct hda_codec *codec, + int num_configs, const char **models, + const struct snd_pci_quirk *tbl) { if (codec->bus->modelname && models) { int i; @@ -1841,10 +2177,9 @@ int __devinit snd_hda_check_board_config(struct hda_codec *codec, * * Returns 0 if successful, or a negative error code. */ -int __devinit snd_hda_add_new_ctls(struct hda_codec *codec, - struct snd_kcontrol_new *knew) +int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) { - int err; + int err; for (; knew->name; knew++) { struct snd_kcontrol *kctl; @@ -1867,6 +2202,93 @@ int __devinit snd_hda_add_new_ctls(struct hda_codec *codec, return 0; } +#ifdef CONFIG_SND_HDA_POWER_SAVE +static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, + unsigned int power_state); + +static void hda_power_work(struct work_struct *work) +{ + struct hda_codec *codec = + container_of(work, struct hda_codec, power_work.work); + + if (!codec->power_on || codec->power_count) { + codec->power_transition = 0; + return; + } + + hda_call_codec_suspend(codec); + if (codec->bus->ops.pm_notify) + codec->bus->ops.pm_notify(codec); +} + +static void hda_keep_power_on(struct hda_codec *codec) +{ + codec->power_count++; + codec->power_on = 1; +} + +void snd_hda_power_up(struct hda_codec *codec) +{ + codec->power_count++; + if (codec->power_on || codec->power_transition) + return; + + codec->power_on = 1; + if (codec->bus->ops.pm_notify) + codec->bus->ops.pm_notify(codec); + hda_call_codec_resume(codec); + cancel_delayed_work(&codec->power_work); + codec->power_transition = 0; +} + +void snd_hda_power_down(struct hda_codec *codec) +{ + --codec->power_count; + if (!codec->power_on || codec->power_count || codec->power_transition) + return; + if (power_save) { + codec->power_transition = 1; /* avoid reentrance */ + schedule_delayed_work(&codec->power_work, + msecs_to_jiffies(power_save * 1000)); + } +} + +int snd_hda_check_amp_list_power(struct hda_codec *codec, + struct hda_loopback_check *check, + hda_nid_t nid) +{ + struct hda_amp_list *p; + int ch, v; + + if (!check->amplist) + return 0; + for (p = check->amplist; p->nid; p++) { + if (p->nid == nid) + break; + } + if (!p->nid) + return 0; /* nothing changed */ + + for (p = check->amplist; p->nid; p++) { + for (ch = 0; ch < 2; ch++) { + v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir, + p->idx); + if (!(v & HDA_AMP_MUTE) && v > 0) { + if (!check->power_on) { + check->power_on = 1; + snd_hda_power_up(codec); + } + return 1; + } + } + } + if (check->power_on) { + check->power_on = 0; + snd_hda_power_down(codec); + } + return 0; +} +#endif /* * Channel mode helper @@ -1913,12 +2335,12 @@ int snd_hda_ch_mode_put(struct hda_codec *codec, mode = ucontrol->value.enumerated.item[0]; snd_assert(mode < num_chmodes, return -EINVAL); - if (*max_channelsp == chmode[mode].channels && !codec->in_resume) + 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(codec, chmode[mode].sequence); + snd_hda_sequence_write_cache(codec, chmode[mode].sequence); return 1; } @@ -1933,6 +2355,8 @@ int snd_hda_input_mux_info(const struct hda_input_mux *imux, uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; uinfo->value.enumerated.items = imux->num_items; + if (!imux->num_items) + return 0; index = uinfo->value.enumerated.item; if (index >= imux->num_items) index = imux->num_items - 1; @@ -1948,13 +2372,15 @@ int snd_hda_input_mux_put(struct hda_codec *codec, { unsigned int idx; + if (!imux->num_items) + return 0; idx = ucontrol->value.enumerated.item[0]; if (idx >= imux->num_items) idx = imux->num_items - 1; - if (*cur_val == idx && !codec->in_resume) + if (*cur_val == idx) return 0; - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, - imux->items[idx].index); + snd_hda_codec_write_cache(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, + imux->items[idx].index); *cur_val = idx; return 1; } @@ -2118,7 +2544,7 @@ int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, * Helper for automatic ping configuration */ -static int __devinit is_in_nid_list(hda_nid_t nid, hda_nid_t *list) +static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list) { for (; *list; list++) if (*list == nid) @@ -2169,9 +2595,9 @@ static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences, * The digital input/output pins are assigned to dig_in_pin and dig_out_pin, * respectively. */ -int __devinit snd_hda_parse_pin_def_config(struct hda_codec *codec, - struct auto_pin_cfg *cfg, - hda_nid_t *ignore_nids) +int snd_hda_parse_pin_def_config(struct hda_codec *codec, + struct auto_pin_cfg *cfg, + hda_nid_t *ignore_nids) { hda_nid_t nid, nid_start; int nodes; @@ -2371,13 +2797,12 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) { struct hda_codec *codec; - /* FIXME: should handle power widget capabilities */ list_for_each_entry(codec, &bus->codec_list, list) { - if (codec->patch_ops.suspend) - codec->patch_ops.suspend(codec, state); - hda_set_power_state(codec, - codec->afg ? codec->afg : codec->mfg, - AC_PWRST_D3); +#ifdef CONFIG_SND_HDA_POWER_SAVE + if (!codec->power_on) + continue; +#endif + hda_call_codec_suspend(codec); } return 0; } @@ -2388,76 +2813,30 @@ int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) * @state: resume state * * Returns 0 if successful. + * + * This fucntion is defined only when POWER_SAVE isn't set. + * In the power-save mode, the codec is resumed dynamically. */ int snd_hda_resume(struct hda_bus *bus) { struct hda_codec *codec; list_for_each_entry(codec, &bus->codec_list, list) { - hda_set_power_state(codec, - codec->afg ? codec->afg : codec->mfg, - AC_PWRST_D0); - if (codec->patch_ops.resume) - codec->patch_ops.resume(codec); + if (snd_hda_codec_needs_resume(codec)) + hda_call_codec_resume(codec); } return 0; } - -/** - * snd_hda_resume_ctls - resume controls in the new control list - * @codec: the HDA codec - * @knew: the array of struct snd_kcontrol_new - * - * This function resumes the mixer controls in the struct snd_kcontrol_new array, - * originally for snd_hda_add_new_ctls(). - * The array must be terminated with an empty entry as terminator. - */ -int snd_hda_resume_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) +#ifdef CONFIG_SND_HDA_POWER_SAVE +int snd_hda_codecs_inuse(struct hda_bus *bus) { - struct snd_ctl_elem_value *val; + struct hda_codec *codec; - val = kmalloc(sizeof(*val), GFP_KERNEL); - if (!val) - return -ENOMEM; - codec->in_resume = 1; - for (; knew->name; knew++) { - int i, count; - count = knew->count ? knew->count : 1; - for (i = 0; i < count; i++) { - memset(val, 0, sizeof(*val)); - val->id.iface = knew->iface; - val->id.device = knew->device; - val->id.subdevice = knew->subdevice; - strcpy(val->id.name, knew->name); - val->id.index = knew->index ? knew->index : i; - /* Assume that get callback reads only from cache, - * not accessing to the real hardware - */ - if (snd_ctl_elem_read(codec->bus->card, val) < 0) - continue; - snd_ctl_elem_write(codec->bus->card, NULL, val); - } + list_for_each_entry(codec, &bus->codec_list, list) { + if (snd_hda_codec_needs_resume(codec)) + return 1; } - codec->in_resume = 0; - kfree(val); return 0; } - -/** - * snd_hda_resume_spdif_out - resume the digital out - * @codec: the HDA codec - */ -int snd_hda_resume_spdif_out(struct hda_codec *codec) -{ - return snd_hda_resume_ctls(codec, dig_mixes); -} - -/** - * snd_hda_resume_spdif_in - resume the digital in - * @codec: the HDA codec - */ -int snd_hda_resume_spdif_in(struct hda_codec *codec) -{ - return snd_hda_resume_ctls(codec, dig_in_ctls); -} +#endif #endif |