diff options
| -rw-r--r-- | drivers/base/regmap/regmap.c | 12 | ||||
| -rw-r--r-- | include/linux/regmap.h | 9 | ||||
| -rw-r--r-- | include/sound/soc-dai.h | 1 | ||||
| -rw-r--r-- | include/sound/soc.h | 24 | ||||
| -rw-r--r-- | sound/soc/codecs/adav80x.c | 4 | ||||
| -rw-r--r-- | sound/soc/codecs/tlv320aic23.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/tlv320dac33.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/uda1380.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/wl1273.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8711.c | 2 | ||||
| -rw-r--r-- | sound/soc/codecs/wm8753.c | 4 | ||||
| -rw-r--r-- | sound/soc/soc-cache.c | 13 | ||||
| -rw-r--r-- | sound/soc/soc-compress.c | 65 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 285 | ||||
| -rw-r--r-- | sound/soc/soc-pcm.c | 109 |
15 files changed, 275 insertions, 261 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 6a19515f8a45..4b2ed0c9e80d 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2240,6 +2240,18 @@ int regmap_get_val_bytes(struct regmap *map) } EXPORT_SYMBOL_GPL(regmap_get_val_bytes); +int regmap_parse_val(struct regmap *map, const void *buf, + unsigned int *val) +{ + if (!map->format.parse_val) + return -EINVAL; + + *val = map->format.parse_val(buf); + + return 0; +} +EXPORT_SYMBOL_GPL(regmap_parse_val); + static int __init regmap_initcall(void) { regmap_debugfs_initcall(); diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 4149f1a9b003..3e1a2e4a92ad 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -423,6 +423,8 @@ bool regmap_check_range_table(struct regmap *map, unsigned int reg, int regmap_register_patch(struct regmap *map, const struct reg_default *regs, int num_regs); +int regmap_parse_val(struct regmap *map, const void *buf, + unsigned int *val); static inline bool regmap_reg_in_range(unsigned int reg, const struct regmap_range *range) @@ -695,6 +697,13 @@ static inline int regmap_register_patch(struct regmap *map, return -EINVAL; } +static inline int regmap_parse_val(struct regmap *map, const void *buf, + unsigned int *val) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline struct regmap *dev_get_regmap(struct device *dev, const char *name) { diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 71f27c403194..8763e539c487 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -270,6 +270,7 @@ struct snd_soc_dai { /* parent platform/codec */ struct snd_soc_platform *platform; struct snd_soc_codec *codec; + struct snd_soc_component *component; struct snd_soc_card *card; diff --git a/include/sound/soc.h b/include/sound/soc.h index 9a001472b96a..37b470c1e127 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -413,6 +413,10 @@ struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, const char *dai_link); +bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd); +void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream); +void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream); + /* Utility functions to get clock rates from various things */ int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots); int snd_soc_params_to_frame_size(struct snd_pcm_hw_params *params); @@ -656,12 +660,19 @@ struct snd_soc_component { const char *name; int id; struct device *dev; + + unsigned int active; + + unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ + struct list_head list; struct snd_soc_dai_driver *dai_drv; int num_dai; const struct snd_soc_component_driver *driver; + + struct list_head dai_list; }; /* SoC Audio Codec device */ @@ -683,7 +694,6 @@ struct snd_soc_codec { /* runtime */ struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ - unsigned int active; unsigned int cache_bypass:1; /* Suppress access to the cache */ unsigned int suspended:1; /* Codec is in suspend PM state */ unsigned int probed:1; /* Codec has been probed */ @@ -709,7 +719,6 @@ struct snd_soc_codec { /* dapm */ struct snd_soc_dapm_context dapm; - unsigned int ignore_pmdown_time:1; /* pmdown_time is ignored at stop */ #ifdef CONFIG_DEBUG_FS struct dentry *debugfs_codec_root; @@ -1168,6 +1177,17 @@ static inline bool snd_soc_volsw_is_stereo(struct soc_mixer_control *mc) return 1; } +static inline bool snd_soc_component_is_active( + struct snd_soc_component *component) +{ + return component->active != 0; +} + +static inline bool snd_soc_codec_is_active(struct snd_soc_codec *codec) +{ + return snd_soc_component_is_active(&codec->component); +} + int snd_soc_util_init(void); void snd_soc_util_exit(void); diff --git a/sound/soc/codecs/adav80x.c b/sound/soc/codecs/adav80x.c index f78b27a7c461..d50cf5b29a27 100644 --- a/sound/soc/codecs/adav80x.c +++ b/sound/soc/codecs/adav80x.c @@ -722,7 +722,7 @@ static int adav80x_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = dai->codec; struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec); - if (!codec->active || !adav80x->rate) + if (!snd_soc_codec_is_active(codec) || !adav80x->rate) return 0; return snd_pcm_hw_constraint_minmax(substream->runtime, @@ -735,7 +735,7 @@ static void adav80x_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = dai->codec; struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec); - if (!codec->active) + if (!snd_soc_codec_is_active(codec)) adav80x->rate = 0; } diff --git a/sound/soc/codecs/tlv320aic23.c b/sound/soc/codecs/tlv320aic23.c index 5d430cc56f51..458a6aed203e 100644 --- a/sound/soc/codecs/tlv320aic23.c +++ b/sound/soc/codecs/tlv320aic23.c @@ -400,7 +400,7 @@ static void tlv320aic23_shutdown(struct snd_pcm_substream *substream, struct aic23 *aic23 = snd_soc_codec_get_drvdata(codec); /* deactivate */ - if (!codec->active) { + if (!snd_soc_codec_is_active(codec)) { udelay(50); snd_soc_write(codec, TLV320AIC23_ACTIVE, 0x0); } diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c index 4f358393d6d6..35b2d244e42e 100644 --- a/sound/soc/codecs/tlv320dac33.c +++ b/sound/soc/codecs/tlv320dac33.c @@ -461,7 +461,7 @@ static int dac33_set_fifo_mode(struct snd_kcontrol *kcontrol, if (dac33->fifo_mode == ucontrol->value.integer.value[0]) return 0; /* Do not allow changes while stream is running*/ - if (codec->active) + if (snd_soc_codec_is_active(codec)) return -EPERM; if (ucontrol->value.integer.value[0] < 0 || diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c index 726df6d43c2b..8e3940dcff20 100644 --- a/sound/soc/codecs/uda1380.c +++ b/sound/soc/codecs/uda1380.c @@ -108,7 +108,7 @@ static int uda1380_write(struct snd_soc_codec *codec, unsigned int reg, /* the interpolator & decimator regs must only be written when the * codec DAI is active. */ - if (!codec->active && (reg >= UDA1380_MVOL)) + if (!snd_soc_codec_is_active(codec) && (reg >= UDA1380_MVOL)) return 0; pr_debug("uda1380: hw write %x val %x\n", reg, value); if (codec->hw_write(codec->control_data, data, 3) == 3) { diff --git a/sound/soc/codecs/wl1273.c b/sound/soc/codecs/wl1273.c index b7ab2ef567c8..47e96ff30064 100644 --- a/sound/soc/codecs/wl1273.c +++ b/sound/soc/codecs/wl1273.c @@ -197,7 +197,7 @@ static int snd_wl1273_set_audio_route(struct snd_kcontrol *kcontrol, return 0; /* Do not allow changes while stream is running */ - if (codec->active) + if (snd_soc_codec_is_active(codec)) return -EPERM; if (ucontrol->value.integer.value[0] < 0 || diff --git a/sound/soc/codecs/wm8711.c b/sound/soc/codecs/wm8711.c index d99f948c513c..6efcc40a7cb3 100644 --- a/sound/soc/codecs/wm8711.c +++ b/sound/soc/codecs/wm8711.c @@ -201,7 +201,7 @@ static void wm8711_shutdown(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = dai->codec; /* deactivate */ - if (!codec->active) { + if (!snd_soc_codec_is_active(codec)) { udelay(50); snd_soc_write(codec, WM8711_ACTIVE, 0x0); } diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c index be85da93a268..5cf4bebc5d89 100644 --- a/sound/soc/codecs/wm8753.c +++ b/sound/soc/codecs/wm8753.c @@ -251,7 +251,7 @@ static int wm8753_set_dai(struct snd_kcontrol *kcontrol, if (wm8753->dai_func == ucontrol->value.integer.value[0]) return 0; - if (codec->active) + if (snd_soc_codec_is_active(codec)) return -EBUSY; ioctl = snd_soc_read(codec, WM8753_IOCTL); @@ -1314,7 +1314,7 @@ static int wm8753_mute(struct snd_soc_dai *dai, int mute) /* the digital mute covers the HiFi and Voice DAC's on the WM8753. * make sure we check if they are not both active when we mute */ if (mute && wm8753->dai_func == 1) { - if (!codec->active) + if (!snd_soc_codec_is_active(codec)) snd_soc_write(codec, WM8753_DAC, mute_reg | 0x8); } else { if (mute) diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index 375dc6dfba4e..bfed3e4c45ff 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -96,8 +96,7 @@ int snd_soc_cache_exit(struct snd_soc_codec *codec) { dev_dbg(codec->dev, "ASoC: Destroying cache for %s codec\n", codec->name); - if (!codec->reg_cache) - return 0; + kfree(codec->reg_cache); codec->reg_cache = NULL; return 0; @@ -117,8 +116,9 @@ int snd_soc_cache_read(struct snd_soc_codec *codec, return -EINVAL; mutex_lock(&codec->cache_rw_mutex); - *value = snd_soc_get_cache_val(codec->reg_cache, reg, - codec->driver->reg_word_size); + if (!ZERO_OR_NULL_PTR(codec->reg_cache)) + *value = snd_soc_get_cache_val(codec->reg_cache, reg, + codec->driver->reg_word_size); mutex_unlock(&codec->cache_rw_mutex); return 0; @@ -136,8 +136,9 @@ int snd_soc_cache_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int value) { mutex_lock(&codec->cache_rw_mutex); - snd_soc_set_cache_val(codec->reg_cache, reg, value, - codec->driver->reg_word_size); + if (!ZERO_OR_NULL_PTR(codec->reg_cache)) + snd_soc_set_cache_val(codec->reg_cache, reg, value, + codec->driver->reg_word_size); mutex_unlock(&codec->cache_rw_mutex); return 0; diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c index 5e9690c85d8f..91083e6a6b38 100644 --- a/sound/soc/soc-compress.c +++ b/sound/soc/soc-compress.c @@ -30,8 +30,6 @@ static int soc_compr_open(struct snd_compr_stream *cstream) { struct snd_soc_pcm_runtime *rtd = cstream->private_data; struct snd_soc_platform *platform = rtd->platform; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - struct snd_soc_dai *codec_dai = rtd->codec_dai; int ret = 0; mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); @@ -52,17 +50,7 @@ static int soc_compr_open(struct snd_compr_stream *cstream) } } - if (cstream->direction == SND_COMPRESS_PLAYBACK) { - cpu_dai->playback_active++; - codec_dai->playback_active++; - } else { - cpu_dai->capture_active++; - codec_dai->capture_active++; - } - - cpu_dai->active++; - codec_dai->active++; - rtd->codec->active++; + snd_soc_runtime_activate(rtd, cstream->direction); mutex_unlock(&rtd->pcm_mutex); @@ -81,8 +69,6 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream) struct snd_soc_pcm_runtime *fe = cstream->private_data; struct snd_pcm_substream *fe_substream = fe->pcm->streams[0].substream; struct snd_soc_platform *platform = fe->platform; - struct snd_soc_dai *cpu_dai = fe->cpu_dai; - struct snd_soc_dai *codec_dai = fe->codec_dai; struct snd_soc_dpcm *dpcm; struct snd_soc_dapm_widget_list *list; int stream; @@ -140,17 +126,7 @@ static int soc_compr_open_fe(struct snd_compr_stream *cstream) fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN; fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; - if (cstream->direction == SND_COMPRESS_PLAYBACK) { - cpu_dai->playback_active++; - codec_dai->playback_active++; - } else { - cpu_dai->capture_active++; - codec_dai->capture_active++; - } - - cpu_dai->active++; - codec_dai->active++; - fe->codec->active++; + snd_soc_runtime_activate(fe, stream); mutex_unlock(&fe->card->mutex); @@ -202,23 +178,18 @@ static int soc_compr_free(struct snd_compr_stream *cstream) struct snd_soc_platform *platform = rtd->platform; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_codec *codec = rtd->codec; + int stream; mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); - if (cstream->direction == SND_COMPRESS_PLAYBACK) { - cpu_dai->playback_active--; - codec_dai->playback_active--; - } else { - cpu_dai->capture_active--; - codec_dai->capture_active--; - } + if (cstream->direction == SND_COMPRESS_PLAYBACK) + stream = SNDRV_PCM_STREAM_PLAYBACK; + else + stream = SNDRV_PCM_STREAM_CAPTURE; - snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); + snd_soc_runtime_deactivate(rtd, stream); - cpu_dai->active--; - codec_dai->active--; - codec->active--; + snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); if (!cpu_dai->active) cpu_dai->rate = 0; @@ -235,8 +206,7 @@ static int soc_compr_free(struct snd_compr_stream *cstream) cpu_dai->runtime = NULL; if (cstream->direction == SND_COMPRESS_PLAYBACK) { - if (!rtd->pmdown_time || codec->ignore_pmdown_time || - rtd->dai_link->ignore_pmdown_time) { + if (snd_soc_runtime_ignore_pmdown_time(rtd)) { snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, SND_SOC_DAPM_STREAM_STOP); @@ -261,26 +231,17 @@ static int soc_compr_free_fe(struct snd_compr_stream *cstream) { struct snd_soc_pcm_runtime *fe = cstream->private_data; struct snd_soc_platform *platform = fe->platform; - struct snd_soc_dai *cpu_dai = fe->cpu_dai; - struct snd_soc_dai *codec_dai = fe->codec_dai; struct snd_soc_dpcm *dpcm; int stream, ret; mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); - if (cstream->direction == SND_COMPRESS_PLAYBACK) { + if (cstream->direction == SND_COMPRESS_PLAYBACK) stream = SNDRV_PCM_STREAM_PLAYBACK; - cpu_dai->playback_active--; - codec_dai->playback_active--; - } else { + else stream = SNDRV_PCM_STREAM_CAPTURE; - cpu_dai->capture_active--; - codec_dai->capture_active--; - } - cpu_dai->active--; - codec_dai->active--; - fe->codec->active--; + snd_soc_runtime_deactivate(fe, stream); fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index fe1df50805a3..a78bba4d52fb 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -56,7 +56,6 @@ EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); #endif static DEFINE_MUTEX(client_mutex); -static LIST_HEAD(dai_list); static LIST_HEAD(platform_list); static LIST_HEAD(codec_list); static LIST_HEAD(component_list); @@ -370,18 +369,22 @@ static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, { char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); ssize_t len, ret = 0; + struct snd_soc_component *component; struct snd_soc_dai *dai; if (!buf) return -ENOMEM; - list_for_each_entry(dai, &dai_list, list) { - len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); - if (len >= 0) - ret += len; - if (ret > PAGE_SIZE) { - ret = PAGE_SIZE; - break; + list_for_each_entry(component, &component_list, list) { + list_for_each_entry(dai, &component->dai_list, list) { + len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", + dai->name); + if (len >= 0) + ret += len; + if (ret > PAGE_SIZE) { + ret = PAGE_SIZE; + break; + } } } @@ -855,6 +858,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) { struct snd_soc_dai_link *dai_link = &card->dai_link[num]; struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; + struct snd_soc_component *component; struct snd_soc_codec *codec; struct snd_soc_platform *platform; struct snd_soc_dai *codec_dai, *cpu_dai; @@ -863,18 +867,20 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); /* Find CPU DAI from registered DAIs*/ - list_for_each_entry(cpu_dai, &dai_list, list) { + list_for_each_entry(component, &component_list, list) { if (dai_link->cpu_of_node && - (cpu_dai->dev->of_node != dai_link->cpu_of_node)) + component->dev->of_node != dai_link->cpu_of_node) continue; if (dai_link->cpu_name && - strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name)) - continue; - if (dai_link->cpu_dai_name && - strcmp(cpu_dai->name, dai_link->cpu_dai_name)) + strcmp(dev_name(component->dev), dai_link->cpu_name)) continue; + list_for_each_entry(cpu_dai, &component->dai_list, list) { + if (dai_link->cpu_dai_name && + strcmp(cpu_dai->name, dai_link->cpu_dai_name)) + continue; - rtd->cpu_dai = cpu_dai; + rtd->cpu_dai = cpu_dai; + } } if (!rtd->cpu_dai) { @@ -899,12 +905,10 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) * CODEC found, so find CODEC DAI from registered DAIs from * this CODEC */ - list_for_each_entry(codec_dai, &dai_list, list) { - if (codec->dev == codec_dai->dev && - !strcmp(codec_dai->name, - dai_link->codec_dai_name)) { - + list_for_each_entry(codec_dai, &codec->component.dai_list, list) { + if (!strcmp(codec_dai->name, dai_link->codec_dai_name)) { rtd->codec_dai = codec_dai; + break; } } @@ -1128,12 +1132,8 @@ static int soc_probe_codec(struct snd_soc_card *card, driver->num_dapm_widgets); /* Create DAPM widgets for each DAI stream */ - list_for_each_entry(dai, &dai_list, list) { - if (dai->dev != codec->dev) - continue; - + list_for_each_entry(dai, &codec->component.dai_list, list) snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); - } codec->dapm.idle_bias_off = driver->idle_bias_off; @@ -1180,6 +1180,7 @@ static int soc_probe_platform(struct snd_soc_card *card, { int ret = 0; const struct snd_soc_platform_driver *driver = platform->driver; + struct snd_soc_component *component; struct snd_soc_dai *dai; platform->card = card; @@ -1195,11 +1196,11 @@ static int soc_probe_platform(struct snd_soc_card *card, driver->dapm_widgets, driver->num_dapm_widgets); /* Create DAPM widgets for each DAI stream */ - list_for_each_entry(dai, &dai_list, list) { - if (dai->dev != platform->dev) + list_for_each_entry(component, &component_list, list) { + if (component->dev != platform->dev) continue; - - snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); + list_for_each_entry(dai, &component->dai_list, list) + snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); } platform->dapm.idle_bias_off = 1; @@ -2818,7 +2819,7 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, unsigned int mask = (1 << fls(max)) - 1; unsigned int invert = mc->invert; int err; - bool type_2r = 0; + bool type_2r = false; unsigned int val2 = 0; unsigned int val, val_mask; @@ -2836,7 +2837,7 @@ int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, val |= val2 << rshift; } else { val2 = val2 << shift; - type_2r = 1; + type_2r = true; } } err = snd_soc_update_bits_locked(codec, reg, val_mask, val); @@ -3234,7 +3235,7 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, struct soc_bytes *params = (void *)kcontrol->private_value; struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); int ret, len; - unsigned int val; + unsigned int val, mask; void *data; if (!codec->using_regmap) @@ -3264,12 +3265,36 @@ int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, ((u8 *)data)[0] |= val; break; case 2: - ((u16 *)data)[0] &= cpu_to_be16(~params->mask); - ((u16 *)data)[0] |= cpu_to_be16(val); + mask = ~params->mask; + ret = regmap_parse_val(codec->control_data, + &mask, &mask); + if (ret != 0) + goto out; + + ((u16 *)data)[0] &= mask; + + ret = regmap_parse_val(codec->control_data, + &val, &val); + if (ret != 0) + goto out; + + ((u16 *)data)[0] |= val; break; case 4: - ((u32 *)data)[0] &= cpu_to_be32(~params->mask); - ((u32 *)data)[0] |= cpu_to_be32(val); + mask = ~params->mask; + ret = regmap_parse_val(codec->control_data, + &mask, &mask); + if (ret != 0) + goto out; + + ((u32 *)data)[0] &= mask; + + ret = regmap_parse_val(codec->control_data, + &val, &val); + if (ret != 0) + goto out; + + ((u32 *)data)[0] |= val; break; default: ret = -EINVAL; @@ -3626,7 +3651,7 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, slots, slot_width); else - return -EINVAL; + return -ENOTSUPP; } EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); @@ -3882,95 +3907,42 @@ static inline char *fmt_multiple_name(struct device *dev, } /** - * snd_soc_register_dai - Register a DAI with the ASoC core + * snd_soc_unregister_dai - Unregister DAIs from the ASoC core * - * @dai: DAI to register + * @component: The component for which the DAIs should be unregistered */ -static int snd_soc_register_dai(struct device *dev, - struct snd_soc_dai_driver *dai_drv) +static void snd_soc_unregister_dais(struct snd_soc_component *component) { - struct snd_soc_codec *codec; - struct snd_soc_dai *dai; - - dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev)); + struct snd_soc_dai *dai, *_dai; - dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); - if (dai == NULL) - return -ENOMEM; - - /* create DAI component name */ - dai->name = fmt_single_name(dev, &dai->id); - if (dai->name == NULL) { + list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { + dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", + dai->name); + list_del(&dai->list); + kfree(dai->name); kfree(dai); - return -ENOMEM; - } - - dai->dev = dev; - dai->driver = dai_drv; - dai->dapm.dev = dev; - if (!dai->driver->ops) - dai->driver->ops = &null_dai_ops; - - mutex_lock(&client_mutex); - - list_for_each_entry(codec, &codec_list, list) { - if (codec->dev == dev) { - dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n", - dai->name, codec->name); - dai->codec = codec; - break; - } - } - - if (!dai->codec) - dai->dapm.idle_bias_off = 1; - - list_add(&dai->list, &dai_list); - - mutex_unlock(&client_mutex); - - dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); - - return 0; -} - -/** - * snd_soc_unregister_dai - Unregister a DAI from the ASoC core - * - * @dai: DAI to unregister - */ -static void snd_soc_unregister_dai(struct device *dev) -{ - struct snd_soc_dai *dai; - - list_for_each_entry(dai, &dai_list, list) { - if (dev == dai->dev) - goto found; } - return; - -found: - mutex_lock(&client_mutex); - list_del(&dai->list); - mutex_unlock(&client_mutex); - - dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name); - kfree(dai->name); - kfree(dai); } /** - * snd_soc_register_dais - Register multiple DAIs with the ASoC core + * snd_soc_register_dais - Register a DAI with the ASoC core * - * @dai: Array of DAIs to register + * @component: The component the DAIs are registered for + * @codec: The CODEC that the DAIs are registered for, NULL if the component is + * not a CODEC. + * @dai_drv: DAI driver to use for the DAIs * @count: Number of DAIs + * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the + * parent's name. */ -static int snd_soc_register_dais(struct device *dev, - struct snd_soc_dai_driver *dai_drv, size_t count) +static int snd_soc_register_dais(struct snd_soc_component *component, + struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv, + size_t count, bool legacy_dai_naming) { - struct snd_soc_codec *codec; + struct device *dev = component->dev; struct snd_soc_dai *dai; - int i, ret = 0; + unsigned int i; + int ret; dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); @@ -3982,70 +3954,54 @@ static int snd_soc_register_dais(struct device *dev, goto err; } - /* create DAI component name */ - dai->name = fmt_multiple_name(dev, &dai_drv[i]); + /* + * Back in the old days when we still had component-less DAIs, + * instead of having a static name, component-less DAIs would + * inherit the name of the parent device so it is possible to + * register multiple instances of the DAI. We still need to keep + * the same naming style even though those DAIs are not + * component-less anymore. + */ + if (count == 1 && legacy_dai_naming) { + dai->name = fmt_single_name(dev, &dai->id); + } else { + dai->name = fmt_multiple_name(dev, &dai_drv[i]); + if (dai_drv[i].id) + dai->id = dai_drv[i].id; + else + dai->id = i; + } if (dai->name == NULL) { kfree(dai); - ret = -EINVAL; + ret = -ENOMEM; goto err; } + dai->component = component; + dai->codec = codec; dai->dev = dev; dai->driver = &dai_drv[i]; - if (dai->driver->id) - dai->id = dai->driver->id; - else - dai->id = i; dai->dapm.dev = dev; if (!dai->driver->ops) dai->driver->ops = &null_dai_ops; - mutex_lock(&client_mutex); - - list_for_each_entry(codec, &codec_list, list) { - if (codec->dev == dev) { - dev_dbg(dev, - "ASoC: Mapped DAI %s to CODEC %s\n", - dai->name, codec->name); - dai->codec = codec; - break; - } - } - if (!dai->codec) dai->dapm.idle_bias_off = 1; - list_add(&dai->list, &dai_list); - - mutex_unlock(&client_mutex); + list_add(&dai->list, &component->dai_list); - dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name); + dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); } return 0; err: - for (i--; i >= 0; i--) - snd_soc_unregister_dai(dev); + snd_soc_unregister_dais(component); return ret; } /** - * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core - * - * @dai: Array of DAIs to unregister - * @count: Number of DAIs - */ -static void snd_soc_unregister_dais(struct device *dev, size_t count) -{ - int i; - - for (i = 0; i < count; i++) - snd_soc_unregister_dai(dev); -} - -/** * snd_soc_register_component - Register a component with the ASoC core * */ @@ -4053,6 +4009,7 @@ static int __snd_soc_register_component(struct device *dev, struct snd_soc_component *cmpnt, const struct snd_soc_component_driver *cmpnt_drv, + struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv, int num_dai, bool allow_single_dai) { @@ -4075,20 +4032,10 @@ __snd_soc_register_component(struct device *dev, cmpnt->driver = cmpnt_drv; cmpnt->dai_drv = dai_drv; cmpnt->num_dai = num_dai; + INIT_LIST_HEAD(&cmpnt->dai_list); - /* - * snd_soc_register_dai() uses fmt_single_name(), and - * snd_soc_register_dais() uses fmt_multiple_name() - * for dai->name which is used for name based matching - * - * this function is used from cpu/codec. - * allow_single_dai flag can ignore "codec" driver reworking - * since it had been used snd_soc_register_dais(), - */ - if ((1 == num_dai) && allow_single_dai) - ret = snd_soc_register_dai(dev, dai_drv); - else - ret = snd_soc_register_dais(dev, dai_drv, num_dai); + ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai, + allow_single_dai); if (ret < 0) { dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); goto error_component_name; @@ -4121,7 +4068,9 @@ int snd_soc_register_component(struct device *dev, return -ENOMEM; } - return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, + cmpnt->ignore_pmdown_time = true; + + return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL, dai_drv, num_dai, true); } EXPORT_SYMBOL_GPL(snd_soc_register_component); @@ -4141,7 +4090,7 @@ void snd_soc_unregister_component(struct device *dev) return; found: - snd_soc_unregister_dais(dev, cmpnt->num_dai); + snd_soc_unregister_dais(cmpnt); mutex_lock(&client_mutex); list_del(&cmpnt->list); @@ -4319,7 +4268,7 @@ int snd_soc_register_codec(struct device *dev, codec->volatile_register = codec_drv->volatile_register; codec->readable_register = codec_drv->readable_register; codec->writable_register = codec_drv->writable_register; - codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time; + codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; codec->dapm.bias_level = SND_SOC_BIAS_OFF; codec->dapm.dev = dev; codec->dapm.codec = codec; @@ -4342,7 +4291,7 @@ int snd_soc_register_codec(struct device *dev, /* register component */ ret = __snd_soc_register_component(dev, &codec->component, &codec_drv->component_driver, - dai_drv, num_dai, false); + codec, dai_drv, num_dai, false); if (ret < 0) { dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret); goto fail_codec_name; diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 28522bd03b8e..330eaf007d89 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -35,6 +35,86 @@ #define DPCM_MAX_BE_USERS 8 /** + * snd_soc_runtime_activate() - Increment active count for PCM runtime components + * @rtd: ASoC PCM runtime that is activated + * @stream: Direction of the PCM stream + * + * Increments the active count for all the DAIs and components attached to a PCM + * runtime. Should typically be called when a stream is opened. + * + * Must be called with the rtd->pcm_mutex being held + */ +void snd_soc_runtime_activate(struct snd_soc_pcm_runtime *rtd, int stream) +{ + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + + lockdep_assert_held(&rtd->pcm_mutex); + + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + cpu_dai->playback_active++; + codec_dai->playback_active++; + } else { + cpu_dai->capture_active++; + codec_dai->capture_active++; + } + + cpu_dai->active++; + codec_dai->active++; + cpu_dai->component->active++; + codec_dai->component->active++; +} + +/** + * snd_soc_runtime_deactivate() - Decrement active count for PCM runtime components + * @rtd: ASoC PCM runtime that is deactivated + * @stream: Direction of the PCM stream + * + * Decrements the active count for all the DAIs and components attached to a PCM + * runtime. Should typically be called when a stream is closed. + * + * Must be called with the rtd->pcm_mutex being held + */ +void snd_soc_runtime_deactivate(struct snd_soc_pcm_runtime *rtd, int stream) +{ + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + + lockdep_assert_held(&rtd->pcm_mutex); + + if (stream == SNDRV_PCM_STREAM_PLAYBACK) { + cpu_dai->playback_active--; + codec_dai->playback_active--; + } else { + cpu_dai->capture_active--; + codec_dai->capture_active--; + } + + cpu_dai->active--; + codec_dai->active--; + cpu_dai->component->active--; + codec_dai->component->active--; +} + +/** + * snd_soc_runtime_ignore_pmdown_time() - Check whether to ignore the power down delay + * @rtd: The ASoC PCM runtime that should be checked. + * + * This function checks whether the power down delay should be ignored for a + * specific PCM runtime. Returns true if the delay is 0, if it the DAI link has + * been configured to ignore the delay, or if none of the components benefits + * from having the delay. + */ +bool snd_soc_runtime_ignore_pmdown_time(struct snd_soc_pcm_runtime *rtd) +{ + if (!rtd->pmdown_time || rtd->dai_link->ignore_pmdown_time) + return true; + + return rtd->cpu_dai->component->ignore_pmdown_time && + rtd->codec_dai->component->ignore_pmdown_time; +} + +/** * snd_soc_set_runtime_hwparams - set the runtime hardware parameters * @substream: the pcm substream * @hw: the hardware parameters @@ -378,16 +458,9 @@ static int soc_pcm_open(struct snd_pcm_substream *substream) runtime->hw.rate_max); dynamic: - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - cpu_dai->playback_active++; - codec_dai->playback_active++; - } else { - cpu_dai->capture_active++; - codec_dai->capture_active++; - } - cpu_dai->active++; - codec_dai->active++; - rtd->codec->active++; + + snd_soc_runtime_activate(rtd, substream->stream); + mutex_unlock(&rtd->pcm_mutex); return 0; @@ -459,21 +532,10 @@ static int soc_pcm_close(struct snd_pcm_substream *substream) struct snd_soc_platform *platform = rtd->platform; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_codec *codec = rtd->codec; mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - cpu_dai->playback_active--; - codec_dai->playback_active--; - } else { - cpu_dai->capture_active--; - codec_dai->capture_active--; - } - - cpu_dai->active--; - codec_dai->active--; - codec->active--; + snd_soc_runtime_deactivate(rtd, substream->stream); /* clear the corresponding DAIs rate when inactive */ if (!cpu_dai->active) @@ -496,8 +558,7 @@ static int soc_pcm_close(struct snd_pcm_substream *substream) cpu_dai->runtime = NULL; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - if (!rtd->pmdown_time || codec->ignore_pmdown_time || - rtd->dai_link->ignore_pmdown_time) { + if (snd_soc_runtime_ignore_pmdown_time(rtd)) { /* powered down playback stream now */ snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, |