diff options
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 150 | ||||
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 12 | ||||
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 6 |
3 files changed, 157 insertions, 11 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index a7802b9..720a81d 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -971,6 +971,36 @@ static void restore_init_pincfgs(struct hda_codec *codec) } /* + * audio-converter setup caches + */ +struct hda_cvt_setup { + hda_nid_t nid; + u8 stream_tag; + u8 channel_id; + u16 format_id; + unsigned char active; /* cvt is currently used */ + unsigned char dirty; /* setups should be cleared */ +}; + +/* get or create a cache entry for the given audio converter NID */ +static struct hda_cvt_setup * +get_hda_cvt_setup(struct hda_codec *codec, hda_nid_t nid) +{ + struct hda_cvt_setup *p; + int i; + + for (i = 0; i < codec->cvt_setups.used; i++) { + p = snd_array_elem(&codec->cvt_setups, i); + if (p->nid == nid) + return p; + } + p = snd_array_new(&codec->cvt_setups); + if (p) + p->nid = nid; + return p; +} + +/* * codec destructor */ static void snd_hda_codec_free(struct hda_codec *codec) @@ -1038,12 +1068,14 @@ int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, codec->addr = codec_addr; mutex_init(&codec->spdif_mutex); mutex_init(&codec->control_mutex); + mutex_init(&codec->prepare_mutex); init_hda_cache(&codec->amp_cache, sizeof(struct hda_amp_info)); init_hda_cache(&codec->cmd_cache, sizeof(struct hda_cache_head)); snd_array_init(&codec->mixers, sizeof(struct hda_nid_item), 32); snd_array_init(&codec->nids, sizeof(struct hda_nid_item), 32); snd_array_init(&codec->init_pins, sizeof(struct hda_pincfg), 16); snd_array_init(&codec->driver_pins, sizeof(struct hda_pincfg), 16); + snd_array_init(&codec->cvt_setups, sizeof(struct hda_cvt_setup), 8); if (codec->bus->modelname) { codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); if (!codec->modelname) { @@ -1181,16 +1213,51 @@ void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int channel_id, int format) { + struct hda_cvt_setup *p; + unsigned int oldval, newval; + int i; + if (!nid) return; snd_printdd("hda_codec_setup_stream: " "NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", nid, stream_tag, channel_id, format); - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, - (stream_tag << 4) | channel_id); - msleep(1); - snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format); + p = get_hda_cvt_setup(codec, nid); + if (!p) + return; + /* update the stream-id if changed */ + if (p->stream_tag != stream_tag || p->channel_id != channel_id) { + oldval = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); + newval = (stream_tag << 4) | channel_id; + if (oldval != newval) + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_CHANNEL_STREAMID, + newval); + p->stream_tag = stream_tag; + p->channel_id = channel_id; + } + /* update the format-id if changed */ + if (p->format_id != format) { + oldval = snd_hda_codec_read(codec, nid, 0, + AC_VERB_GET_STREAM_FORMAT, 0); + if (oldval != format) { + msleep(1); + snd_hda_codec_write(codec, nid, 0, + AC_VERB_SET_STREAM_FORMAT, + format); + } + p->format_id = format; + } + p->active = 1; + p->dirty = 0; + + /* make other inactive cvts with the same stream-tag dirty */ + for (i = 0; i < codec->cvt_setups.used; i++) { + p = snd_array_elem(&codec->cvt_setups, i); + if (!p->active && p->stream_tag == stream_tag) + p->dirty = 1; + } } EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream); @@ -1201,17 +1268,54 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_setup_stream); */ void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid) { + struct hda_cvt_setup *p; + if (!nid) return; snd_printdd("hda_codec_cleanup_stream: NID=0x%x\n", nid); + /* here we just clear the active flag; actual clean-ups will be done + * in purify_inactive_streams() + */ + p = get_hda_cvt_setup(codec, nid); + if (p) + p->active = 0; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream); + +static void really_cleanup_stream(struct hda_codec *codec, + struct hda_cvt_setup *q) +{ + hda_nid_t nid = q->nid; snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, 0); -#if 0 /* keep the format */ - msleep(1); snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, 0); -#endif + memset(q, 0, sizeof(*q)); + q->nid = nid; +} + +/* clean up the all conflicting obsolete streams */ +static void purify_inactive_streams(struct hda_codec *codec) +{ + int i; + + for (i = 0; i < codec->cvt_setups.used; i++) { + struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i); + if (p->dirty) + really_cleanup_stream(codec, p); + } +} + +/* clean up all streams; called from suspend */ +static void hda_cleanup_all_streams(struct hda_codec *codec) +{ + int i; + + for (i = 0; i < codec->cvt_setups.used; i++) { + struct hda_cvt_setup *p = snd_array_elem(&codec->cvt_setups, i); + if (p->stream_tag) + really_cleanup_stream(codec, p); + } } -EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream); /* * amp access functions @@ -2928,6 +3032,7 @@ static void hda_call_codec_suspend(struct hda_codec *codec) { if (codec->patch_ops.suspend) codec->patch_ops.suspend(codec, PMSG_SUSPEND); + hda_cleanup_all_streams(codec); hda_set_power_state(codec, codec->afg ? codec->afg : codec->mfg, AC_PWRST_D3); @@ -3377,6 +3482,35 @@ static int set_pcm_default_values(struct hda_codec *codec, return 0; } +/* + * codec prepare/cleanup entries + */ +int snd_hda_codec_prepare(struct hda_codec *codec, + struct hda_pcm_stream *hinfo, + unsigned int stream, + unsigned int format, + struct snd_pcm_substream *substream) +{ + int ret; + mutex_lock(&codec->prepare_mutex); + ret = hinfo->ops.prepare(hinfo, codec, stream, format, substream); + if (ret >= 0) + purify_inactive_streams(codec); + mutex_unlock(&codec->prepare_mutex); + return ret; +} +EXPORT_SYMBOL_HDA(snd_hda_codec_prepare); + +void snd_hda_codec_cleanup(struct hda_codec *codec, + struct hda_pcm_stream *hinfo, + struct snd_pcm_substream *substream) +{ + mutex_lock(&codec->prepare_mutex); + hinfo->ops.cleanup(hinfo, codec, substream); + mutex_unlock(&codec->prepare_mutex); +} +EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup); + /* global */ const char *snd_hda_pcm_type_name[HDA_PCM_NTYPES] = { "Audio", "SPDIF", "HDMI", "Modem" diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 0328cf5..3f7a479 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -826,12 +826,14 @@ struct hda_codec { struct mutex spdif_mutex; struct mutex control_mutex; + struct mutex prepare_mutex; unsigned int spdif_status; /* IEC958 status bits */ unsigned short spdif_ctls; /* SPDIF control bits */ unsigned int spdif_in_enable; /* SPDIF input enable? */ hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */ struct snd_array init_pins; /* initial (BIOS) pin configurations */ struct snd_array driver_pins; /* pin configs set by codec parser */ + struct snd_array cvt_setups; /* audio convert setups */ #ifdef CONFIG_SND_HDA_HWDEP struct snd_hwdep *hwdep; /* assigned hwdep device */ @@ -948,6 +950,16 @@ int snd_hda_codec_build_controls(struct hda_codec *codec); */ int snd_hda_build_pcms(struct hda_bus *bus); int snd_hda_codec_build_pcms(struct hda_codec *codec); + +int snd_hda_codec_prepare(struct hda_codec *codec, + struct hda_pcm_stream *hinfo, + unsigned int stream, + unsigned int format, + struct snd_pcm_substream *substream); +void snd_hda_codec_cleanup(struct hda_codec *codec, + struct hda_pcm_stream *hinfo, + struct snd_pcm_substream *substream); + void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int channel_id, int format); diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 66d4202..1053fff 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1634,7 +1634,7 @@ static int azx_pcm_hw_free(struct snd_pcm_substream *substream) azx_dev->period_bytes = 0; azx_dev->format_val = 0; - hinfo->ops.cleanup(hinfo, apcm->codec, substream); + snd_hda_codec_cleanup(apcm->codec, hinfo, substream); return snd_pcm_lib_free_pages(substream); } @@ -1688,8 +1688,8 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream) else azx_dev->fifo_size = 0; - return hinfo->ops.prepare(hinfo, apcm->codec, azx_dev->stream_tag, - azx_dev->format_val, substream); + return snd_hda_codec_prepare(apcm->codec, hinfo, azx_dev->stream_tag, + azx_dev->format_val, substream); } static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |