From 176d5335fe66f379a339b0ab99cc7566e90ff1a9 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:44 +0200 Subject: [PATCH 1/9] ALSA: hda - Add infrastructure for dynamic stream allocation Added the infrastructure for dynamic stream allocation on HD-audio. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 74 ++++++++++++++++++++--- sound/pci/hda/hda_codec.h | 5 +- sound/pci/hda/hda_intel.c | 121 +++++++++++--------------------------- 3 files changed, 105 insertions(+), 95 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 6447754ae56e..19b4530e3baf 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -2262,6 +2262,28 @@ static int __devinit set_pcm_default_values(struct hda_codec *codec, return 0; } +/* + * attach a new PCM stream + */ +static int __devinit +snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) +{ + struct hda_pcm_stream *info; + int stream, err; + + if (!pcm->name) + return -EINVAL; + for (stream = 0; stream < 2; stream++) { + info = &pcm->stream[stream]; + if (info->substreams) { + err = set_pcm_default_values(codec, info); + if (err < 0) + return err; + } + } + return codec->bus->ops.attach_pcm(codec, pcm); +} + /** * snd_hda_build_pcms - build PCM information * @bus: the BUS @@ -2290,10 +2312,24 @@ static int __devinit set_pcm_default_values(struct hda_codec *codec, */ int __devinit snd_hda_build_pcms(struct hda_bus *bus) { + static const char *dev_name[HDA_PCM_NTYPES] = { + "Audio", "SPDIF", "HDMI", "Modem" + }; + /* starting device index for each PCM type */ + static int dev_idx[HDA_PCM_NTYPES] = { + [HDA_PCM_TYPE_AUDIO] = 0, + [HDA_PCM_TYPE_SPDIF] = 1, + [HDA_PCM_TYPE_HDMI] = 3, + [HDA_PCM_TYPE_MODEM] = 6 + }; + /* normal audio device indices; not linear to keep compatibility */ + static int audio_idx[4] = { 0, 2, 4, 5 }; struct hda_codec *codec; + int num_devs[HDA_PCM_NTYPES]; + memset(num_devs, 0, sizeof(num_devs)); list_for_each_entry(codec, &bus->codec_list, list) { - unsigned int pcm, s; + unsigned int pcm; int err; if (!codec->patch_ops.build_pcms) continue; @@ -2301,15 +2337,37 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus) if (err < 0) return err; for (pcm = 0; pcm < codec->num_pcms; pcm++) { - for (s = 0; s < 2; s++) { - struct hda_pcm_stream *info; - info = &codec->pcm_info[pcm].stream[s]; - if (!info->substreams) + struct hda_pcm *cpcm = &codec->pcm_info[pcm]; + int type = cpcm->pcm_type; + switch (type) { + case HDA_PCM_TYPE_AUDIO: + if (num_devs[type] >= ARRAY_SIZE(audio_idx)) { + snd_printk(KERN_WARNING + "Too many audio devices\n"); continue; - err = set_pcm_default_values(codec, info); - if (err < 0) - return err; + } + cpcm->device = audio_idx[num_devs[type]]; + break; + case HDA_PCM_TYPE_SPDIF: + case HDA_PCM_TYPE_HDMI: + case HDA_PCM_TYPE_MODEM: + if (num_devs[type]) { + snd_printk(KERN_WARNING + "%s already defined\n", + dev_name[type]); + continue; + } + cpcm->device = dev_idx[type]; + break; + default: + snd_printk(KERN_WARNING + "Invalid PCM type %d\n", type); + continue; } + num_devs[type]++; + err = snd_hda_attach_pcm(codec, cpcm); + if (err < 0) + return err; } } return 0; diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 60468f562400..70e8fa09273d 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -542,6 +542,8 @@ struct hda_bus_ops { unsigned int (*get_response)(struct hda_codec *codec); /* free the private data */ void (*private_free)(struct hda_bus *); + /* attach a PCM stream */ + int (*attach_pcm)(struct hda_codec *codec, struct hda_pcm *pcm); #ifdef CONFIG_SND_HDA_POWER_SAVE /* notify power-up/down from codec to controller */ void (*pm_notify)(struct hda_codec *codec); @@ -680,7 +682,8 @@ struct hda_pcm { char *name; struct hda_pcm_stream stream[2]; unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */ - int device; /* assigned device number */ + int device; /* device number to assign */ + struct snd_pcm *pcm; /* assigned PCM instance */ }; /* codec information */ diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 9f316c1b2790..7b0abf08a583 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1180,6 +1180,7 @@ static int azx_setup_controller(struct azx *chip, struct azx_dev *azx_dev) return 0; } +static int azx_attach_pcm_stream(struct hda_codec *codec, struct hda_pcm *cpcm); /* * Codec initialization @@ -1212,6 +1213,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model, bus_temp.pci = chip->pci; bus_temp.ops.command = azx_send_cmd; bus_temp.ops.get_response = azx_get_response; + bus_temp.ops.attach_pcm = azx_attach_pcm_stream; #ifdef CONFIG_SND_HDA_POWER_SAVE bus_temp.ops.pm_notify = azx_power_notify; #endif @@ -1718,111 +1720,58 @@ static struct snd_pcm_ops azx_pcm_ops = { static void azx_pcm_free(struct snd_pcm *pcm) { - kfree(pcm->private_data); + struct azx_pcm *apcm = pcm->private_data; + if (apcm) { + apcm->chip->pcm[pcm->device] = NULL; + kfree(apcm); + } } -static int __devinit create_codec_pcm(struct azx *chip, struct hda_codec *codec, - struct hda_pcm *cpcm) +static int +azx_attach_pcm_stream(struct hda_codec *codec, struct hda_pcm *cpcm) { - int err; + struct azx *chip = codec->bus->private_data; struct snd_pcm *pcm; struct azx_pcm *apcm; + int pcm_dev = cpcm->device; + int s, err; - /* if no substreams are defined for both playback and capture, - * it's just a placeholder. ignore it. - */ - if (!cpcm->stream[0].substreams && !cpcm->stream[1].substreams) - return 0; - - if (snd_BUG_ON(!cpcm->name)) + if (pcm_dev >= AZX_MAX_PCMS) { + snd_printk(KERN_ERR SFX "Invalid PCM device number %d\n", + pcm_dev); return -EINVAL; - - err = snd_pcm_new(chip->card, cpcm->name, cpcm->device, - cpcm->stream[0].substreams, - cpcm->stream[1].substreams, + } + if (chip->pcm[pcm_dev]) { + snd_printk(KERN_ERR SFX "PCM %d already exists\n", pcm_dev); + return -EBUSY; + } + err = snd_pcm_new(chip->card, cpcm->name, pcm_dev, + cpcm->stream[SNDRV_PCM_STREAM_PLAYBACK].substreams, + cpcm->stream[SNDRV_PCM_STREAM_CAPTURE].substreams, &pcm); if (err < 0) return err; strcpy(pcm->name, cpcm->name); - apcm = kmalloc(sizeof(*apcm), GFP_KERNEL); + apcm = kzalloc(sizeof(*apcm), GFP_KERNEL); if (apcm == NULL) return -ENOMEM; apcm->chip = chip; apcm->codec = codec; - apcm->hinfo[0] = &cpcm->stream[0]; - apcm->hinfo[1] = &cpcm->stream[1]; pcm->private_data = apcm; pcm->private_free = azx_pcm_free; - if (cpcm->stream[0].substreams) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &azx_pcm_ops); - if (cpcm->stream[1].substreams) - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &azx_pcm_ops); + if (cpcm->pcm_type == HDA_PCM_TYPE_MODEM) + pcm->dev_class = SNDRV_PCM_CLASS_MODEM; + chip->pcm[pcm_dev] = pcm; + cpcm->pcm = pcm; + for (s = 0; s < 2; s++) { + apcm->hinfo[s] = &cpcm->stream[s]; + if (cpcm->stream[s].substreams) + snd_pcm_set_ops(pcm, s, &azx_pcm_ops); + } + /* buffer pre-allocation */ snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV_SG, snd_dma_pci_data(chip->pci), 1024 * 64, 32 * 1024 * 1024); - chip->pcm[cpcm->device] = pcm; - return 0; -} - -static int __devinit azx_pcm_create(struct azx *chip) -{ - static const char *dev_name[HDA_PCM_NTYPES] = { - "Audio", "SPDIF", "HDMI", "Modem" - }; - /* starting device index for each PCM type */ - static int dev_idx[HDA_PCM_NTYPES] = { - [HDA_PCM_TYPE_AUDIO] = 0, - [HDA_PCM_TYPE_SPDIF] = 1, - [HDA_PCM_TYPE_HDMI] = 3, - [HDA_PCM_TYPE_MODEM] = 6 - }; - /* normal audio device indices; not linear to keep compatibility */ - static int audio_idx[4] = { 0, 2, 4, 5 }; - struct hda_codec *codec; - int c, err; - int num_devs[HDA_PCM_NTYPES]; - - err = snd_hda_build_pcms(chip->bus); - if (err < 0) - return err; - - /* create audio PCMs */ - memset(num_devs, 0, sizeof(num_devs)); - list_for_each_entry(codec, &chip->bus->codec_list, list) { - for (c = 0; c < codec->num_pcms; c++) { - struct hda_pcm *cpcm = &codec->pcm_info[c]; - int type = cpcm->pcm_type; - switch (type) { - case HDA_PCM_TYPE_AUDIO: - if (num_devs[type] >= ARRAY_SIZE(audio_idx)) { - snd_printk(KERN_WARNING - "Too many audio devices\n"); - continue; - } - cpcm->device = audio_idx[num_devs[type]]; - break; - case HDA_PCM_TYPE_SPDIF: - case HDA_PCM_TYPE_HDMI: - case HDA_PCM_TYPE_MODEM: - if (num_devs[type]) { - snd_printk(KERN_WARNING - "%s already defined\n", - dev_name[type]); - continue; - } - cpcm->device = dev_idx[type]; - break; - default: - snd_printk(KERN_WARNING - "Invalid PCM type %d\n", type); - continue; - } - num_devs[type]++; - err = create_codec_pcm(chip, codec, cpcm); - if (err < 0) - return err; - } - } return 0; } @@ -2324,7 +2273,7 @@ static int __devinit azx_probe(struct pci_dev *pci, } /* create PCM streams */ - err = azx_pcm_create(chip); + err = snd_hda_build_pcms(chip->bus); if (err < 0) { snd_card_free(card); return err; From b2e1859745b783922533d29e3b03af29378a23f0 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:44 +0200 Subject: [PATCH 2/9] ALSA: hda - Add generic arrays Added helper functions to handle generic arrays. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 34 ++++++++++++++++++++++++++++++++++ sound/pci/hda/hda_codec.h | 20 ++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 19b4530e3baf..e70303183c3c 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3196,3 +3196,37 @@ int snd_hda_codecs_inuse(struct hda_bus *bus) } #endif #endif + +/* + * generic arrays + */ + +/* get a new element from the given array + * if it exceeds the pre-allocated array size, re-allocate the array + */ +void *snd_array_new(struct snd_array *array) +{ + if (array->used >= array->alloced) { + int num = array->alloced + array->alloc_align; + void *nlist = kcalloc(num + 1, array->elem_size, GFP_KERNEL); + if (!nlist) + return NULL; + if (array->list) { + memcpy(nlist, array->list, + array->elem_size * array->alloced); + kfree(array->list); + } + array->list = nlist; + array->alloced = num; + } + return array->list + (array->used++ * array->elem_size); +} + +/* free the given array elements */ +void snd_array_free(struct snd_array *array) +{ + kfree(array->list); + array->used = 0; + array->alloced = 0; + array->list = NULL; +} diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 70e8fa09273d..b9b21766b730 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -519,6 +519,26 @@ enum { /* max. codec address */ #define HDA_MAX_CODEC_ADDRESS 0x0f +/* + * generic arrays + */ +struct snd_array { + unsigned int used; + unsigned int alloced; + unsigned int elem_size; + unsigned int alloc_align; + void *list; +}; + +void *snd_array_new(struct snd_array *array); +void snd_array_free(struct snd_array *array); +static inline void snd_array_init(struct snd_array *array, unsigned int size, + unsigned int align) +{ + array->elem_size = size; + array->alloc_align = align; +} + /* * Structures */ From 603c40199252f0c3b91fca02fd3283c4f8e55179 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:44 +0200 Subject: [PATCH 3/9] ALSA: hda - Use generic array helpers Use generic array helpers to simplify array handling in snd-hda-intel. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 38 ++++----------- sound/pci/hda/hda_codec.h | 5 +- sound/pci/hda/patch_analog.c | 56 +++++++++++----------- sound/pci/hda/patch_conexant.c | 11 ----- sound/pci/hda/patch_realtek.c | 86 ++++++++++++++++------------------ sound/pci/hda/patch_sigmatel.c | 55 ++++++++++------------ sound/pci/hda/patch_via.c | 71 ++++++++++++---------------- 7 files changed, 132 insertions(+), 190 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index e70303183c3c..39a49d4a864a 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -756,12 +756,12 @@ static void __devinit init_hda_cache(struct hda_cache_rec *cache, { memset(cache, 0, sizeof(*cache)); memset(cache->hash, 0xff, sizeof(cache->hash)); - cache->record_size = record_size; + snd_array_init(&cache->buf, record_size, 64); } static void free_hda_cache(struct hda_cache_rec *cache) { - kfree(cache->buffer); + snd_array_free(&cache->buf); } /* query the hash. allocate an entry if not found. */ @@ -770,38 +770,18 @@ static struct hda_cache_head *get_alloc_hash(struct hda_cache_rec *cache, { u16 idx = key % (u16)ARRAY_SIZE(cache->hash); u16 cur = cache->hash[idx]; + struct hda_cache_head *info_head = cache->buf.list; struct hda_cache_head *info; while (cur != 0xffff) { - info = (struct hda_cache_head *)(cache->buffer + - cur * cache->record_size); + info = &info_head[cur]; if (info->key == key) return info; cur = info->next; } /* add a new hash entry */ - if (cache->num_entries >= cache->size) { - /* reallocate the array */ - 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 (cache->buffer) { - memcpy(new_buffer, cache->buffer, - cache->size * cache->record_size); - kfree(cache->buffer); - } - cache->size = new_size; - cache->buffer = new_buffer; - } - cur = cache->num_entries++; - info = (struct hda_cache_head *)(cache->buffer + - cur * cache->record_size); + info = snd_array_new(&cache->buf); info->key = key; info->val = 0; info->next = cache->hash[idx]; @@ -942,10 +922,10 @@ int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, /* 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; + struct hda_amp_info *buffer = codec->amp_cache.buf.list; int i; - for (i = 0; i < codec->amp_cache.size; i++, buffer++) { + for (i = 0; i < codec->amp_cache.buf.used; i++, buffer++) { u32 key = buffer->head.key; hda_nid_t nid; unsigned int idx, dir, ch; @@ -1779,10 +1759,10 @@ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, /* 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; + struct hda_cache_head *buffer = codec->cmd_cache.buf.list; int i; - for (i = 0; i < codec->cmd_cache.size; i++, buffer++) { + for (i = 0; i < codec->cmd_cache.buf.used; i++, buffer++) { u32 key = buffer->key; if (!key) continue; diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index b9b21766b730..77064b0cb821 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -657,10 +657,7 @@ struct hda_amp_info { struct hda_cache_rec { u16 hash[64]; /* hash table for index */ - unsigned int num_entries; /* number of assigned entries */ - unsigned int size; /* allocated size */ - unsigned int record_size; /* record size (including header) */ - void *buffer; /* hash table entries */ + struct snd_array buf; /* record entries */ }; /* PCM callbacks */ diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index 2b00c4afdf97..02643bce5634 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -67,8 +67,7 @@ struct ad198x_spec { /* dynamic controls, init_verbs and input_mux */ struct auto_pin_cfg autocfg; - unsigned int num_kctl_alloc, num_kctl_used; - struct snd_kcontrol_new *kctl_alloc; + struct snd_array kctls; struct hda_input_mux private_imux; hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS]; @@ -154,6 +153,8 @@ static const char *ad_slave_sws[] = { NULL }; +static void ad198x_free_kctls(struct hda_codec *codec); + static int ad198x_build_controls(struct hda_codec *codec) { struct ad198x_spec *spec = codec->spec; @@ -202,6 +203,7 @@ static int ad198x_build_controls(struct hda_codec *codec) return err; } + ad198x_free_kctls(codec); /* no longer needed */ return 0; } @@ -375,16 +377,27 @@ static int ad198x_build_pcms(struct hda_codec *codec) return 0; } +static void ad198x_free_kctls(struct hda_codec *codec) +{ + struct ad198x_spec *spec = codec->spec; + + if (spec->kctls.list) { + struct snd_kcontrol_new *kctl = spec->kctls.list; + int i; + for (i = 0; i < spec->kctls.used; i++) + kfree(kctl[i].name); + } + snd_array_free(&spec->kctls); +} + static void ad198x_free(struct hda_codec *codec) { struct ad198x_spec *spec = codec->spec; - unsigned int i; - if (spec->kctl_alloc) { - for (i = 0; i < spec->num_kctl_used; i++) - kfree(spec->kctl_alloc[i].name); - kfree(spec->kctl_alloc); - } + if (!spec) + return; + + ad198x_free_kctls(codec); kfree(codec->spec); } @@ -2452,9 +2465,6 @@ static struct hda_amp_list ad1988_loopbacks[] = { * Automatic parse of I/O pins from the BIOS configuration */ -#define NUM_CONTROL_ALLOC 32 -#define NUM_VERB_ALLOC 32 - enum { AD_CTL_WIDGET_VOL, AD_CTL_WIDGET_MUTE, @@ -2472,27 +2482,15 @@ static int add_control(struct ad198x_spec *spec, int type, const char *name, { struct snd_kcontrol_new *knew; - if (spec->num_kctl_used >= spec->num_kctl_alloc) { - int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC; - - knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL); /* array + terminator */ - if (! knew) - return -ENOMEM; - if (spec->kctl_alloc) { - memcpy(knew, spec->kctl_alloc, sizeof(*knew) * spec->num_kctl_alloc); - kfree(spec->kctl_alloc); - } - spec->kctl_alloc = knew; - spec->num_kctl_alloc = num; - } - - knew = &spec->kctl_alloc[spec->num_kctl_used]; + snd_array_init(&spec->kctls, sizeof(*knew), 32); + knew = snd_array_new(&spec->kctls); + if (!knew) + return -ENOMEM; *knew = ad1988_control_templates[type]; knew->name = kstrdup(name, GFP_KERNEL); if (! knew->name) return -ENOMEM; knew->private_value = val; - spec->num_kctl_used++; return 0; } @@ -2846,8 +2844,8 @@ static int ad1988_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = AD1988_SPDIF_IN; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_init_verbs++] = ad1988_6stack_init_verbs; diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 7c1eb23f0cec..076010708152 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -86,8 +86,6 @@ struct conexant_spec { /* dynamic controls, init_verbs and input_mux */ struct auto_pin_cfg autocfg; - unsigned int num_kctl_alloc, num_kctl_used; - struct snd_kcontrol_new *kctl_alloc; struct hda_input_mux private_imux; hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS]; @@ -344,15 +342,6 @@ static int conexant_init(struct hda_codec *codec) static void conexant_free(struct hda_codec *codec) { - struct conexant_spec *spec = codec->spec; - unsigned int i; - - if (spec->kctl_alloc) { - for (i = 0; i < spec->num_kctl_used; i++) - kfree(spec->kctl_alloc[i].name); - kfree(spec->kctl_alloc); - } - kfree(codec->spec); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0b6e682c46d0..3e21a7198656 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -284,8 +284,7 @@ struct alc_spec { /* dynamic controls, init_verbs and input_mux */ struct auto_pin_cfg autocfg; - unsigned int num_kctl_alloc, num_kctl_used; - struct snd_kcontrol_new *kctl_alloc; + struct snd_array kctls; struct hda_input_mux private_imux; hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS]; @@ -1590,6 +1589,9 @@ static const char *alc_slave_sws[] = { /* * build control elements */ + +static void alc_free_kctls(struct hda_codec *codec); + static int alc_build_controls(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; @@ -1636,6 +1638,7 @@ static int alc_build_controls(struct hda_codec *codec) return err; } + alc_free_kctls(codec); /* no longer needed */ return 0; } @@ -2726,19 +2729,27 @@ static int alc_build_pcms(struct hda_codec *codec) return 0; } +static void alc_free_kctls(struct hda_codec *codec) +{ + struct alc_spec *spec = codec->spec; + + if (spec->kctls.list) { + struct snd_kcontrol_new *kctl = spec->kctls.list; + int i; + for (i = 0; i < spec->kctls.used; i++) + kfree(kctl[i].name); + } + snd_array_free(&spec->kctls); +} + static void alc_free(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; - unsigned int i; if (!spec) return; - if (spec->kctl_alloc) { - for (i = 0; i < spec->num_kctl_used; i++) - kfree(spec->kctl_alloc[i].name); - kfree(spec->kctl_alloc); - } + alc_free_kctls(codec); kfree(spec); codec->spec = NULL; /* to be sure */ } @@ -3423,9 +3434,6 @@ static struct alc_config_preset alc880_presets[] = { * Automatic parse of I/O pins from the BIOS configuration */ -#define NUM_CONTROL_ALLOC 32 -#define NUM_VERB_ALLOC 32 - enum { ALC_CTL_WIDGET_VOL, ALC_CTL_WIDGET_MUTE, @@ -3443,29 +3451,15 @@ static int add_control(struct alc_spec *spec, int type, const char *name, { struct snd_kcontrol_new *knew; - if (spec->num_kctl_used >= spec->num_kctl_alloc) { - int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC; - - /* array + terminator */ - knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL); - if (!knew) - return -ENOMEM; - if (spec->kctl_alloc) { - memcpy(knew, spec->kctl_alloc, - sizeof(*knew) * spec->num_kctl_alloc); - kfree(spec->kctl_alloc); - } - spec->kctl_alloc = knew; - spec->num_kctl_alloc = num; - } - - knew = &spec->kctl_alloc[spec->num_kctl_used]; + snd_array_init(&spec->kctls, sizeof(*knew), 32); + knew = snd_array_new(&spec->kctls); + if (!knew) + return -ENOMEM; *knew = alc880_control_templates[type]; knew->name = kstrdup(name, GFP_KERNEL); if (!knew->name) return -ENOMEM; knew->private_value = val; - spec->num_kctl_used++; return 0; } @@ -3789,8 +3783,8 @@ static int alc880_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = ALC880_DIGIN_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_init_verbs++] = alc880_volume_init_verbs; @@ -5177,7 +5171,7 @@ static int alc260_parse_auto_config(struct hda_codec *codec) err = alc260_auto_create_multi_out_ctls(spec, &spec->autocfg); if (err < 0) return err; - if (!spec->kctl_alloc) + if (!spec->kctls.list) return 0; /* can't find valid BIOS pin config */ err = alc260_auto_create_analog_input_ctls(spec, &spec->autocfg); if (err < 0) @@ -5187,8 +5181,8 @@ static int alc260_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = ALC260_DIGOUT_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_init_verbs++] = alc260_volume_init_verbs; @@ -10256,8 +10250,8 @@ static int alc262_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = ALC262_DIGIN_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_init_verbs++] = alc262_volume_init_verbs; spec->num_mux_defs = 1; @@ -11387,8 +11381,8 @@ static int alc268_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = ALC268_DIGOUT_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; if (spec->autocfg.speaker_pins[0] != 0x1d) spec->mixers[spec->num_mixers++] = alc268_beep_mixer; @@ -12159,8 +12153,8 @@ static int alc269_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = ALC269_DIGOUT_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; /* create a beep mixer control if the pin 0x1d isn't assigned */ for (i = 0; i < ARRAY_SIZE(spec->autocfg.input_pins); i++) @@ -13257,8 +13251,8 @@ static int alc861_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = ALC861_DIGOUT_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_init_verbs++] = alc861_auto_init_verbs; @@ -14368,8 +14362,8 @@ static int alc861vd_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = ALC861VD_DIGOUT_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_init_verbs++] = alc861vd_volume_init_verbs; @@ -16194,8 +16188,8 @@ static int alc662_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_out_pin) spec->multiout.dig_out_nid = ALC880_DIGOUT_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->num_mux_defs = 1; spec->input_mux = &spec->private_imux; diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index c59065513118..3db39adad79a 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -35,7 +35,6 @@ #include "hda_patch.h" #include "hda_beep.h" -#define NUM_CONTROL_ALLOC 32 #define STAC_PWR_EVENT 0x20 #define STAC_HP_EVENT 0x30 #define STAC_VREF_EVENT 0x40 @@ -218,8 +217,7 @@ struct sigmatel_spec { /* dynamic controls and input_mux */ struct auto_pin_cfg autocfg; - unsigned int num_kctl_alloc, num_kctl_used; - struct snd_kcontrol_new *kctl_alloc; + struct snd_array kctls; struct hda_input_mux private_dimux; struct hda_input_mux private_imux; struct hda_input_mux private_smux; @@ -1233,6 +1231,8 @@ static const char *slave_sws[] = { NULL }; +static void stac92xx_free_kctls(struct hda_codec *codec); + static int stac92xx_build_controls(struct hda_codec *codec) { struct sigmatel_spec *spec = codec->spec; @@ -1305,6 +1305,7 @@ static int stac92xx_build_controls(struct hda_codec *codec) return err; } + stac92xx_free_kctls(codec); /* no longer needed */ return 0; } @@ -2592,28 +2593,16 @@ static int stac92xx_add_control_idx(struct sigmatel_spec *spec, int type, { struct snd_kcontrol_new *knew; - if (spec->num_kctl_used >= spec->num_kctl_alloc) { - int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC; - - knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL); /* array + terminator */ - if (! knew) - return -ENOMEM; - if (spec->kctl_alloc) { - memcpy(knew, spec->kctl_alloc, sizeof(*knew) * spec->num_kctl_alloc); - kfree(spec->kctl_alloc); - } - spec->kctl_alloc = knew; - spec->num_kctl_alloc = num; - } - - knew = &spec->kctl_alloc[spec->num_kctl_used]; + snd_array_init(&spec->kctls, sizeof(*knew), 32); + knew = snd_array_new(&spec->kctls); + if (!knew) + return -ENOMEM; *knew = stac92xx_control_templates[type]; knew->index = idx; knew->name = kstrdup(name, GFP_KERNEL); if (! knew->name) return -ENOMEM; knew->private_value = val; - spec->num_kctl_used++; return 0; } @@ -3434,8 +3423,8 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if (dig_in && spec->autocfg.dig_in_pin) spec->dig_in_nid = dig_in; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux; spec->dinput_mux = &spec->private_dimux; @@ -3536,8 +3525,8 @@ static int stac9200_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = 0x04; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux; spec->dinput_mux = &spec->private_dimux; @@ -3698,20 +3687,26 @@ static int stac92xx_init(struct hda_codec *codec) return 0; } +static void stac92xx_free_kctls(struct hda_codec *codec) +{ + struct sigmatel_spec *spec = codec->spec; + + if (spec->kctls.list) { + struct snd_kcontrol_new *kctl = spec->kctls.list; + int i; + for (i = 0; i < spec->kctls.used; i++) + kfree(kctl[i].name); + } + snd_array_free(&spec->kctls); +} + static void stac92xx_free(struct hda_codec *codec) { struct sigmatel_spec *spec = codec->spec; - int i; if (! spec) return; - if (spec->kctl_alloc) { - for (i = 0; i < spec->num_kctl_used; i++) - kfree(spec->kctl_alloc[i].name); - kfree(spec->kctl_alloc); - } - if (spec->bios_pin_configs) kfree(spec->bios_pin_configs); diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 63e4871e5d8f..760e14ae3bff 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -53,9 +53,6 @@ #define AMP_VAL_IDX_SHIFT 19 #define AMP_VAL_IDX_MASK (0x0f<<19) -#define NUM_CONTROL_ALLOC 32 -#define NUM_VERB_ALLOC 32 - /* Pin Widget NID */ #define VT1708_HP_NID 0x13 #define VT1708_DIGOUT_NID 0x14 @@ -227,8 +224,7 @@ struct via_spec { /* dynamic controls, init_verbs and input_mux */ struct auto_pin_cfg autocfg; - unsigned int num_kctl_alloc, num_kctl_used; - struct snd_kcontrol_new *kctl_alloc; + struct snd_array kctls; struct hda_input_mux private_imux[2]; hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS]; @@ -272,33 +268,31 @@ static int via_add_control(struct via_spec *spec, int type, const char *name, { struct snd_kcontrol_new *knew; - if (spec->num_kctl_used >= spec->num_kctl_alloc) { - int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC; - - /* array + terminator */ - knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL); - if (!knew) - return -ENOMEM; - if (spec->kctl_alloc) { - memcpy(knew, spec->kctl_alloc, - sizeof(*knew) * spec->num_kctl_alloc); - kfree(spec->kctl_alloc); - } - spec->kctl_alloc = knew; - spec->num_kctl_alloc = num; - } - - knew = &spec->kctl_alloc[spec->num_kctl_used]; + snd_array_init(&spec->kctls, sizeof(*knew), 32); + knew = snd_array_new(&spec->kctls); + if (!knew) + return -ENOMEM; *knew = vt1708_control_templates[type]; knew->name = kstrdup(name, GFP_KERNEL); - if (!knew->name) return -ENOMEM; knew->private_value = val; - spec->num_kctl_used++; return 0; } +static void via_free_kctls(struct hda_codec *codec) +{ + struct via_spec *spec = codec->spec; + + if (spec->kctls.list) { + struct snd_kcontrol_new *kctl = spec->kctls.list; + int i; + for (i = 0; i < spec->kctls.used; i++) + kfree(kctl[i].name); + } + snd_array_free(&spec->kctls); +} + /* create input playback/capture controls for the given pin */ static int via_new_analog_input(struct via_spec *spec, hda_nid_t pin, const char *ctlname, int idx, int mix_nid) @@ -896,6 +890,7 @@ static int via_build_controls(struct hda_codec *codec) if (err < 0) return err; } + via_free_kctls(codec); /* no longer needed */ return 0; } @@ -941,17 +936,11 @@ static int via_build_pcms(struct hda_codec *codec) static void via_free(struct hda_codec *codec) { struct via_spec *spec = codec->spec; - unsigned int i; if (!spec) return; - if (spec->kctl_alloc) { - for (i = 0; i < spec->num_kctl_used; i++) - kfree(spec->kctl_alloc[i].name); - kfree(spec->kctl_alloc); - } - + via_free_kctls(codec); kfree(codec->spec); } @@ -1373,8 +1362,8 @@ static int vt1708_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = VT1708_DIGIN_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->init_verbs[spec->num_iverbs++] = vt1708_volume_init_verbs; @@ -1846,8 +1835,8 @@ static int vt1709_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = VT1709_DIGIN_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux[0]; @@ -2390,8 +2379,8 @@ static int vt1708B_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = VT1708B_DIGIN_NID; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux[0]; @@ -2855,8 +2844,8 @@ static int vt1708S_parse_auto_config(struct hda_codec *codec) spec->extra_dig_out_nid = 0x15; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux[0]; @@ -3174,8 +3163,8 @@ static int vt1702_parse_auto_config(struct hda_codec *codec) spec->extra_dig_out_nid = 0x1B; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux[0]; From f44ac8378d3d84b912b34f08afaff64182ee1b41 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:45 +0200 Subject: [PATCH 4/9] ALSA: hda - Allocate name string of each codec Allocate dynamically the name string of each codec instead of pointing to a static string. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 37 +++++++++++++++++++++++++------------ sound/pci/hda/hda_codec.h | 2 ++ sound/pci/hda/hda_proc.c | 5 ++--- 3 files changed, 29 insertions(+), 15 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 39a49d4a864a..53e36495fae5 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -446,7 +446,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card, #ifdef CONFIG_SND_HDA_GENERIC #define is_generic_config(codec) \ - (codec->bus->modelname && !strcmp(codec->bus->modelname, "generic")) + (codec->modelname && !strcmp(codec->modelname, "generic")) #else #define is_generic_config(codec) 0 #endif @@ -481,15 +481,14 @@ find_codec_preset(struct hda_codec *codec) } /* - * snd_hda_get_codec_name - store the codec name + * get_codec_name - store the codec name */ -void snd_hda_get_codec_name(struct hda_codec *codec, - char *name, int namelen) +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]; + char tmp[16], name[32]; for (c = hda_vendor_ids; c->id; c++) { if (c->id == vendor_id) { @@ -502,10 +501,15 @@ void snd_hda_get_codec_name(struct hda_codec *codec, vendor = tmp; } if (codec->preset && codec->preset->name) - snprintf(name, namelen, "%s %s", vendor, codec->preset->name); + snprintf(name, sizeof(name), "%s %s", vendor, + codec->preset->name); else - snprintf(name, namelen, "%s ID %x", vendor, + snprintf(name, sizeof(name), "%s ID %x", vendor, codec->vendor_id & 0xffff); + codec->name = kstrdup(name, GFP_KERNEL); + if (!codec->name) + return -ENOMEM; + return 0; } /* @@ -575,6 +579,8 @@ static void snd_hda_codec_free(struct hda_codec *codec) codec->patch_ops.free(codec); free_hda_cache(&codec->amp_cache); free_hda_cache(&codec->cmd_cache); + kfree(codec->name); + kfree(codec->modelname); kfree(codec->wcaps); kfree(codec); } @@ -661,12 +667,19 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_SUBSYSTEM_ID, 0); } + if (bus->modelname) + codec->modelname = kstrdup(bus->modelname, GFP_KERNEL); codec->preset = find_codec_preset(codec); + if (!codec->name) { + err = get_codec_name(codec); + if (err < 0) + return err; + } /* audio codec should override the mixer name */ - if (codec->afg || !*bus->card->mixername) - snd_hda_get_codec_name(codec, bus->card->mixername, - sizeof(bus->card->mixername)); + if (codec->afg || !*codec->bus->card->mixername) + strlcpy(codec->bus->card->mixername, codec->name, + sizeof(codec->bus->card->mixername)); if (is_generic_config(codec)) { err = snd_hda_parse_generic_codec(codec); @@ -2370,11 +2383,11 @@ 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) { + if (codec->modelname && models) { int i; for (i = 0; i < num_configs; i++) { if (models[i] && - !strcmp(codec->bus->modelname, models[i])) { + !strcmp(codec->modelname, models[i])) { snd_printd(KERN_INFO "hda_codec: model '%s' is " "selected\n", models[i]); return i; diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 77064b0cb821..53f3b08b24cd 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -719,6 +719,8 @@ struct hda_codec { /* detected preset */ const struct hda_codec_preset *preset; + const char *name; /* codec name */ + const char *modelname; /* model name for preset */ /* set by patch */ struct hda_codec_ops patch_ops; diff --git a/sound/pci/hda/hda_proc.c b/sound/pci/hda/hda_proc.c index 743d77922bce..64ab19f14f79 100644 --- a/sound/pci/hda/hda_proc.c +++ b/sound/pci/hda/hda_proc.c @@ -511,12 +511,11 @@ static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { struct hda_codec *codec = entry->private_data; - char buf[32]; hda_nid_t nid; int i, nodes; - snd_hda_get_codec_name(codec, buf, sizeof(buf)); - snd_iprintf(buffer, "Codec: %s\n", buf); + snd_iprintf(buffer, "Codec: %s\n", + codec->name ? codec->name : "Not Set"); snd_iprintf(buffer, "Address: %d\n", codec->addr); snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id); snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id); From d13bd412dce23eed8bc35a2499d7d88cb39a1581 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:45 +0200 Subject: [PATCH 5/9] ALSA: hda - Manage kcontrol lists Manage all kcontrol elements created in the hda-intel driver. This makes it possible to remove and reconfigure the controls of each codec. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 40 +++++++++++++++++++++++++++++----- sound/pci/hda/hda_codec.h | 2 ++ sound/pci/hda/hda_generic.c | 20 ++++++++++------- sound/pci/hda/hda_local.h | 3 +++ sound/pci/hda/patch_sigmatel.c | 2 +- 5 files changed, 52 insertions(+), 15 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 53e36495fae5..bc3ed249b0fc 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -574,6 +574,7 @@ static void snd_hda_codec_free(struct hda_codec *codec) flush_scheduled_work(); #endif list_del(&codec->list); + snd_array_free(&codec->mixers); codec->bus->caddr_tbl[codec->addr] = NULL; if (codec->patch_ops.free) codec->patch_ops.free(codec); @@ -622,6 +623,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, mutex_init(&codec->spdif_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 snd_kcontrol *), 32); #ifdef CONFIG_SND_HDA_POWER_SAVE INIT_DELAYED_WORK(&codec->power_work, hda_power_work); @@ -1090,6 +1092,32 @@ struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, return _snd_hda_find_mixer_ctl(codec, name, 0); } +/* Add a control element and assign to the codec */ +int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl) +{ + int err; + struct snd_kcontrol **knewp; + + err = snd_ctl_add(codec->bus->card, kctl); + if (err < 0) + return err; + knewp = snd_array_new(&codec->mixers); + if (!knewp) + return -ENOMEM; + *knewp = kctl; + return 0; +} + +/* Clear all controls assigned to the given codec */ +void snd_hda_ctls_clear(struct hda_codec *codec) +{ + int i; + struct snd_kcontrol **kctls = codec->mixers.list; + for (i = 0; i < codec->mixers.used; i++) + snd_ctl_remove(codec->bus->card, kctls[i]); + snd_array_free(&codec->mixers); +} + /* create a virtual master control and add slaves */ int snd_hda_add_vmaster(struct hda_codec *codec, char *name, unsigned int *tlv, const char **slaves) @@ -1107,7 +1135,7 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name, kctl = snd_ctl_make_virtual_master(name, tlv); if (!kctl) return -ENOMEM; - err = snd_ctl_add(codec->bus->card, kctl); + err = snd_hda_ctl_add(codec, kctl); if (err < 0) return err; @@ -1571,7 +1599,7 @@ int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) kctl = snd_ctl_new1(dig_mix, codec); kctl->id.index = idx; kctl->private_value = nid; - err = snd_ctl_add(codec->bus->card, kctl); + err = snd_hda_ctl_add(codec, kctl); if (err < 0) return err; } @@ -1615,7 +1643,7 @@ int snd_hda_create_spdif_share_sw(struct hda_codec *codec, if (!mout->dig_out_nid) return 0; /* ATTENTION: here mout is passed as private_data, instead of codec */ - return snd_ctl_add(codec->bus->card, + return snd_hda_ctl_add(codec, snd_ctl_new1(&spdif_share_sw, mout)); } @@ -1717,7 +1745,7 @@ int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { kctl = snd_ctl_new1(dig_mix, codec); kctl->private_value = nid; - err = snd_ctl_add(codec->bus->card, kctl); + err = snd_hda_ctl_add(codec, kctl); if (err < 0) return err; } @@ -2440,7 +2468,7 @@ int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) kctl = snd_ctl_new1(knew, codec); if (!kctl) return -ENOMEM; - err = snd_ctl_add(codec->bus->card, kctl); + err = snd_hda_ctl_add(codec, kctl); if (err < 0) { if (!codec->addr) return err; @@ -2448,7 +2476,7 @@ int snd_hda_add_new_ctls(struct hda_codec *codec, struct snd_kcontrol_new *knew) if (!kctl) return -ENOMEM; kctl->id.device = codec->addr; - err = snd_ctl_add(codec->bus->card, kctl); + err = snd_hda_ctl_add(codec, kctl); if (err < 0) return err; } diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 53f3b08b24cd..8813ec10ca13 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -740,6 +740,8 @@ struct hda_codec { hda_nid_t start_nid; u32 *wcaps; + struct snd_array mixers; /* list of assigned mixer elements */ + struct hda_cache_rec amp_cache; /* cache for amp access */ struct hda_cache_rec cmd_cache; /* cache for other commands */ diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 0ca30894f7c6..98ff010d5b95 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -723,7 +723,8 @@ static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, if (is_loopback) add_input_loopback(codec, node->nid, HDA_INPUT, index); snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); - if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) + err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); + if (err < 0) return err; created = 1; } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && @@ -732,7 +733,8 @@ static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, if (is_loopback) add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); - if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) + err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); + if (err < 0) return err; created = 1; } @@ -745,14 +747,16 @@ static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); - if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) + err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); + if (err < 0) return err; created = 1; } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); - if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) + err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); + if (err < 0) return err; created = 1; } @@ -849,8 +853,8 @@ static int build_input_controls(struct hda_codec *codec) } /* create input MUX if multiple sources are available */ - if ((err = snd_ctl_add(codec->bus->card, - snd_ctl_new1(&cap_sel, codec))) < 0) + err = snd_hda_ctl_add(codec, snd_ctl_new1(&cap_sel, codec)); + if (err < 0) return err; /* no volume control? */ @@ -867,8 +871,8 @@ static int build_input_controls(struct hda_codec *codec) HDA_CODEC_VOLUME(name, adc_node->nid, spec->input_mux.items[i].index, HDA_INPUT); - if ((err = snd_ctl_add(codec->bus->card, - snd_ctl_new1(&knew, codec))) < 0) + err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); + if (err < 0) return err; } diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 7957fefda730..48faaf8cd21b 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -393,6 +393,9 @@ u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, unsigned int caps); +int snd_hda_ctl_add(struct hda_codec *codec, struct snd_kcontrol *kctl); +void snd_hda_ctls_clear(struct hda_codec *codec); + /* * hwdep interface */ diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 3db39adad79a..9c67af8e2089 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1250,7 +1250,7 @@ static int stac92xx_build_controls(struct hda_codec *codec) } if (spec->num_dmuxes > 0) { stac_dmux_mixer.count = spec->num_dmuxes; - err = snd_ctl_add(codec->bus->card, + err = snd_hda_ctl_add(codec, snd_ctl_new1(&stac_dmux_mixer, codec)); if (err < 0) return err; From 6c1f45ea89b59ad2cdbfa6779e23d77b274da0a7 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:45 +0200 Subject: [PATCH 6/9] ALSA: hda - Add codec reconfiguration feature Added the reconfiguration feature of any individual codec. Via the reconfiguration, the old resources are released and the patch is called again to recreate the PCM and mixers in addition to the re-initialization. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 147 ++++++++++++++++++++++++++------------ sound/pci/hda/hda_codec.h | 1 + sound/pci/hda/hda_local.h | 2 + 3 files changed, 103 insertions(+), 47 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index bc3ed249b0fc..5b54ac07fcbd 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -344,7 +344,7 @@ static void process_unsol_events(struct work_struct *work) /* * initialize unsolicited queue */ -static int __devinit init_unsol_queue(struct hda_bus *bus) +static int init_unsol_queue(struct hda_bus *bus) { struct hda_bus_unsolicited *unsol; @@ -454,7 +454,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card, /* * find a matching codec preset */ -static const struct hda_codec_preset __devinit * +static const struct hda_codec_preset * find_codec_preset(struct hda_codec *codec) { const struct hda_codec_preset **tbl, *preset; @@ -624,6 +624,13 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, 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 snd_kcontrol *), 32); + if (codec->bus->modelname) { + codec->modelname = kstrdup(codec->bus->modelname, GFP_KERNEL); + if (!codec->modelname) { + snd_hda_codec_free(codec); + return -ENODEV; + } + } #ifdef CONFIG_SND_HDA_POWER_SAVE INIT_DELAYED_WORK(&codec->power_work, hda_power_work); @@ -672,6 +679,30 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, if (bus->modelname) codec->modelname = kstrdup(bus->modelname, GFP_KERNEL); + err = snd_hda_codec_configure(codec); + if (err < 0) { + snd_hda_codec_free(codec); + return err; + } + snd_hda_codec_proc_new(codec); + +#ifdef CONFIG_SND_HDA_HWDEP + snd_hda_create_hwdep(codec); +#endif + + sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, + codec->subsystem_id, codec->revision_id); + snd_component_add(codec->bus->card, component); + + if (codecp) + *codecp = codec; + return 0; +} + +int snd_hda_codec_configure(struct hda_codec *codec) +{ + int err; + codec->preset = find_codec_preset(codec); if (!codec->name) { err = get_codec_name(codec); @@ -698,25 +729,9 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, printk(KERN_ERR "hda-codec: No codec parser is available\n"); patched: - if (err < 0) { - snd_hda_codec_free(codec); - return err; - } - - if (codec->patch_ops.unsol_event) - 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,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id); - snd_component_add(codec->bus->card, component); - - if (codecp) - *codecp = codec; - return 0; + if (!err && codec->patch_ops.unsol_event) + err = init_unsol_queue(codec->bus); + return err; } /** @@ -1118,6 +1133,31 @@ void snd_hda_ctls_clear(struct hda_codec *codec) snd_array_free(&codec->mixers); } +void snd_hda_codec_reset(struct hda_codec *codec) +{ + int i; + +#ifdef CONFIG_SND_HDA_POWER_SAVE + cancel_delayed_work(&codec->power_work); + flush_scheduled_work(); +#endif + snd_hda_ctls_clear(codec); + /* relase PCMs */ + for (i = 0; i < codec->num_pcms; i++) { + if (codec->pcm_info[i].pcm) + snd_device_free(codec->bus->card, + codec->pcm_info[i].pcm); + } + if (codec->patch_ops.free) + codec->patch_ops.free(codec); + codec->spec = NULL; + free_hda_cache(&codec->amp_cache); + free_hda_cache(&codec->cmd_cache); + codec->num_pcms = 0; + codec->pcm_info = NULL; + codec->preset = NULL; +} + /* create a virtual master control and add slaves */ int snd_hda_add_vmaster(struct hda_codec *codec, char *name, unsigned int *tlv, const char **slaves) @@ -1939,23 +1979,30 @@ int __devinit snd_hda_build_controls(struct hda_bus *bus) struct hda_codec *codec; list_for_each_entry(codec, &bus->codec_list, list) { - 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); - /* 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); + int err = snd_hda_codec_build_controls(codec); if (err < 0) return err; } + return 0; +} +int snd_hda_codec_build_controls(struct hda_codec *codec) +{ + 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); + /* 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; } @@ -2256,8 +2303,8 @@ static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, return 0; } -static int __devinit set_pcm_default_values(struct hda_codec *codec, - struct hda_pcm_stream *info) +static int set_pcm_default_values(struct hda_codec *codec, + struct hda_pcm_stream *info) { /* query support PCM information from the given NID */ if (info->nid && (!info->rates || !info->formats)) { @@ -2331,7 +2378,7 @@ snd_hda_attach_pcm(struct hda_codec *codec, struct hda_pcm *pcm) * * This function returns 0 if successfull, or a negative error code. */ -int __devinit snd_hda_build_pcms(struct hda_bus *bus) +int snd_hda_build_pcms(struct hda_bus *bus) { static const char *dev_name[HDA_PCM_NTYPES] = { "Audio", "SPDIF", "HDMI", "Modem" @@ -2352,14 +2399,17 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus) list_for_each_entry(codec, &bus->codec_list, list) { unsigned int pcm; int err; - if (!codec->patch_ops.build_pcms) - continue; - err = codec->patch_ops.build_pcms(codec); - if (err < 0) - return err; + if (!codec->num_pcms) { + if (!codec->patch_ops.build_pcms) + continue; + err = codec->patch_ops.build_pcms(codec); + if (err < 0) + return err; + } for (pcm = 0; pcm < codec->num_pcms; pcm++) { struct hda_pcm *cpcm = &codec->pcm_info[pcm]; int type = cpcm->pcm_type; + int dev; switch (type) { case HDA_PCM_TYPE_AUDIO: if (num_devs[type] >= ARRAY_SIZE(audio_idx)) { @@ -2367,7 +2417,7 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus) "Too many audio devices\n"); continue; } - cpcm->device = audio_idx[num_devs[type]]; + dev = audio_idx[num_devs[type]]; break; case HDA_PCM_TYPE_SPDIF: case HDA_PCM_TYPE_HDMI: @@ -2378,7 +2428,7 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus) dev_name[type]); continue; } - cpcm->device = dev_idx[type]; + dev = dev_idx[type]; break; default: snd_printk(KERN_WARNING @@ -2386,9 +2436,12 @@ int __devinit snd_hda_build_pcms(struct hda_bus *bus) continue; } num_devs[type]++; - err = snd_hda_attach_pcm(codec, cpcm); - if (err < 0) - return err; + if (!cpcm->pcm) { + cpcm->device = dev; + err = snd_hda_attach_pcm(codec, cpcm); + if (err < 0) + return err; + } } } return 0; diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 8813ec10ca13..ce9f69bde328 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -823,6 +823,7 @@ void snd_hda_codec_resume_cache(struct hda_codec *codec); * Mixer */ int snd_hda_build_controls(struct hda_bus *bus); +int snd_hda_codec_build_controls(struct hda_codec *codec); /* * PCM diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 48faaf8cd21b..d8283f1ab21a 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -96,6 +96,8 @@ struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, const char *name); int snd_hda_add_vmaster(struct hda_codec *codec, char *name, unsigned int *tlv, const char **slaves); +void snd_hda_codec_reset(struct hda_codec *codec); +int snd_hda_codec_configure(struct hda_codec *codec); /* amp value bits */ #define HDA_AMP_MUTE 0x80 From d7ffba19ce4c1b153d502a89d829400bf76d6c11 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:46 +0200 Subject: [PATCH 7/9] ALSA: hda - Add sysfs entries to hwdep devices Added the sysfs entries to hwdep devices so that the new features like reconfiguration can be done via sysfs. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 17 ++++- sound/pci/hda/hda_hwdep.c | 157 ++++++++++++++++++++++++++++++++++++++ sound/pci/hda/hda_local.h | 5 ++ 3 files changed, 177 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 5b54ac07fcbd..0741eda78a5e 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -393,6 +393,20 @@ static int snd_hda_bus_dev_free(struct snd_device *device) return snd_hda_bus_free(bus); } +#ifdef CONFIG_SND_HDA_HWDEP +static int snd_hda_bus_dev_register(struct snd_device *device) +{ + struct hda_bus *bus = device->device_data; + struct hda_codec *codec; + list_for_each_entry(codec, &bus->codec_list, list) { + snd_hda_hwdep_add_sysfs(codec); + } + return 0; +} +#else +#define snd_hda_bus_dev_register NULL +#endif + /** * snd_hda_bus_new - create a HDA bus * @card: the card entry @@ -408,6 +422,7 @@ int __devinit snd_hda_bus_new(struct snd_card *card, struct hda_bus *bus; int err; static struct snd_device_ops dev_ops = { + .dev_register = snd_hda_bus_dev_register, .dev_free = snd_hda_bus_dev_free, }; @@ -686,9 +701,7 @@ int __devinit snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, } snd_hda_codec_proc_new(codec); -#ifdef CONFIG_SND_HDA_HWDEP snd_hda_create_hwdep(codec); -#endif sprintf(component, "HDA:%08x,%08x,%08x", codec->vendor_id, codec->subsystem_id, codec->revision_id); diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 6e18a422d993..214772c8b556 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -27,6 +27,7 @@ #include "hda_codec.h" #include "hda_local.h" #include +#include /* * write/read an out-of-bound verb @@ -119,3 +120,159 @@ int __devinit snd_hda_create_hwdep(struct hda_codec *codec) return 0; } + +/* + * sysfs interface + */ + +static int clear_codec(struct hda_codec *codec) +{ + snd_hda_codec_reset(codec); + return 0; +} + +static int reconfig_codec(struct hda_codec *codec) +{ + int err; + + snd_printk(KERN_INFO "hda-codec: reconfiguring\n"); + snd_hda_codec_reset(codec); + err = snd_hda_codec_configure(codec); + if (err < 0) + return err; + /* rebuild PCMs */ + err = snd_hda_build_pcms(codec->bus); + if (err < 0) + return err; + /* rebuild mixers */ + err = snd_hda_codec_build_controls(codec); + if (err < 0) + return err; + return 0; +} + +/* + * allocate a string at most len chars, and remove the trailing EOL + */ +static char *kstrndup_noeol(const char *src, size_t len) +{ + char *s = kstrndup(src, len, GFP_KERNEL); + char *p; + if (!s) + return NULL; + p = strchr(s, '\n'); + if (p) + *p = 0; + return s; +} + +#define CODEC_INFO_SHOW(type) \ +static ssize_t type##_show(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ + struct hda_codec *codec = hwdep->private_data; \ + return sprintf(buf, "0x%x\n", codec->type); \ +} + +#define CODEC_INFO_STR_SHOW(type) \ +static ssize_t type##_show(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ + struct hda_codec *codec = hwdep->private_data; \ + return sprintf(buf, "%s\n", \ + codec->type ? codec->type : ""); \ +} + +CODEC_INFO_SHOW(vendor_id); +CODEC_INFO_SHOW(subsystem_id); +CODEC_INFO_SHOW(revision_id); +CODEC_INFO_SHOW(afg); +CODEC_INFO_SHOW(mfg); +CODEC_INFO_STR_SHOW(name); +CODEC_INFO_STR_SHOW(modelname); + +#define CODEC_INFO_STORE(type) \ +static ssize_t type##_store(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ + struct hda_codec *codec = hwdep->private_data; \ + char *after; \ + codec->type = simple_strtoul(buf, &after, 0); \ + return count; \ +} + +#define CODEC_INFO_STR_STORE(type) \ +static ssize_t type##_store(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ + struct hda_codec *codec = hwdep->private_data; \ + char *s = kstrndup_noeol(buf, 64); \ + if (!s) \ + return -ENOMEM; \ + kfree(codec->type); \ + codec->type = s; \ + return count; \ +} + +CODEC_INFO_STORE(vendor_id); +CODEC_INFO_STORE(subsystem_id); +CODEC_INFO_STORE(revision_id); +CODEC_INFO_STR_STORE(name); +CODEC_INFO_STR_STORE(modelname); + +#define CODEC_ACTION_STORE(type) \ +static ssize_t type##_store(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); \ + struct hda_codec *codec = hwdep->private_data; \ + int err = 0; \ + if (*buf) \ + err = type##_codec(codec); \ + return err < 0 ? err : count; \ +} + +CODEC_ACTION_STORE(reconfig); +CODEC_ACTION_STORE(clear); + +#define CODEC_ATTR_RW(type) \ + __ATTR(type, 0644, type##_show, type##_store) +#define CODEC_ATTR_RO(type) \ + __ATTR_RO(type) +#define CODEC_ATTR_WO(type) \ + __ATTR(type, 0200, NULL, type##_store) + +static struct device_attribute codec_attrs[] = { + CODEC_ATTR_RW(vendor_id), + CODEC_ATTR_RW(subsystem_id), + CODEC_ATTR_RW(revision_id), + CODEC_ATTR_RO(afg), + CODEC_ATTR_RO(mfg), + CODEC_ATTR_RW(name), + CODEC_ATTR_RW(modelname), + CODEC_ATTR_WO(reconfig), + CODEC_ATTR_WO(clear), +}; + +/* + * create sysfs files on hwdep directory + */ +int snd_hda_hwdep_add_sysfs(struct hda_codec *codec) +{ + struct snd_hwdep *hwdep = codec->hwdep; + int i; + + for (i = 0; i < ARRAY_SIZE(codec_attrs); i++) + snd_add_device_sysfs_file(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, + hwdep->device, &codec_attrs[i]); + return 0; +} diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index d8283f1ab21a..4a08c31b498a 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -401,7 +401,12 @@ void snd_hda_ctls_clear(struct hda_codec *codec); /* * hwdep interface */ +#ifdef CONFIG_SND_HDA_HWDEP int snd_hda_create_hwdep(struct hda_codec *codec); +int snd_hda_hwdep_add_sysfs(struct hda_codec *codec); +#else +static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } +#endif /* * power-management From 11aeff082ad9bd00e8475bf1630c3264344d3764 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:46 +0200 Subject: [PATCH 8/9] ALSA: hda - Add init_verbs entries This patch enables the additional init verbs for each codec. The verbs can be entered via hwdep sysfs file. These verbs are executed at reconfiguring the codec for non-standard setups like overriding the pin-defcfg. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 13 +++++++++++++ sound/pci/hda/hda_codec.h | 3 +++ sound/pci/hda/hda_hwdep.c | 37 +++++++++++++++++++++++++++++++++++++ 3 files changed, 53 insertions(+) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 0741eda78a5e..9a8adc600a57 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -1941,6 +1941,17 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg, } } +#ifdef CONFIG_SND_HDA_HWDEP +/* execute additional init verbs */ +static void hda_exec_init_verbs(struct hda_codec *codec) +{ + if (codec->init_verbs.list) + snd_hda_sequence_write(codec, codec->init_verbs.list); +} +#else +static inline void hda_exec_init_verbs(struct hda_codec *codec) {} +#endif + #ifdef SND_HDA_NEEDS_RESUME /* * call suspend and power-down; used both from PM and power-save @@ -1967,6 +1978,7 @@ static void hda_call_codec_resume(struct hda_codec *codec) hda_set_power_state(codec, codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); + hda_exec_init_verbs(codec); if (codec->patch_ops.resume) codec->patch_ops.resume(codec); else { @@ -2008,6 +2020,7 @@ int snd_hda_codec_build_controls(struct hda_codec *codec) hda_set_power_state(codec, codec->afg ? codec->afg : codec->mfg, AC_PWRST_D0); + hda_exec_init_verbs(codec); /* continue to initialize... */ if (codec->patch_ops.init) err = codec->patch_ops.init(codec); diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index ce9f69bde328..38a9bb6bafb0 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -751,7 +751,10 @@ struct hda_codec { unsigned int spdif_in_enable; /* SPDIF input enable? */ hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */ +#ifdef CONFIG_SND_HDA_HWDEP struct snd_hwdep *hwdep; /* assigned hwdep device */ + struct snd_array init_verbs; /* additional init verbs */ +#endif /* misc flags */ unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 214772c8b556..f3400d75eba4 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -96,6 +96,17 @@ static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file) return 0; } +static void clear_hwdep_elements(struct hda_codec *codec) +{ + /* clear init verbs */ + snd_array_free(&codec->init_verbs); +} + +static void hwdep_free(struct snd_hwdep *hwdep) +{ + clear_hwdep_elements(hwdep->private_data); +} + int __devinit snd_hda_create_hwdep(struct hda_codec *codec) { char hwname[16]; @@ -110,6 +121,7 @@ int __devinit snd_hda_create_hwdep(struct hda_codec *codec) sprintf(hwdep->name, "HDA Codec %d", codec->addr); hwdep->iface = SNDRV_HWDEP_IFACE_HDA; hwdep->private_data = codec; + hwdep->private_free = hwdep_free; hwdep->exclusive = 1; hwdep->ops.open = hda_hwdep_open; @@ -118,6 +130,8 @@ int __devinit snd_hda_create_hwdep(struct hda_codec *codec) hwdep->ops.ioctl_compat = hda_hwdep_ioctl_compat; #endif + snd_array_init(&codec->init_verbs, sizeof(struct hda_verb), 32); + return 0; } @@ -128,6 +142,7 @@ int __devinit snd_hda_create_hwdep(struct hda_codec *codec) static int clear_codec(struct hda_codec *codec) { snd_hda_codec_reset(codec); + clear_hwdep_elements(codec); return 0; } @@ -244,6 +259,27 @@ static ssize_t type##_store(struct device *dev, \ CODEC_ACTION_STORE(reconfig); CODEC_ACTION_STORE(clear); +static ssize_t init_verbs_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); + struct hda_codec *codec = hwdep->private_data; + char *p; + struct hda_verb verb, *v; + + verb.nid = simple_strtoul(buf, &p, 0); + verb.verb = simple_strtoul(p, &p, 0); + verb.param = simple_strtoul(p, &p, 0); + if (!verb.nid || !verb.verb || !verb.param) + return -EINVAL; + v = snd_array_new(&codec->init_verbs); + if (!v) + return -ENOMEM; + *v = verb; + return count; +} + #define CODEC_ATTR_RW(type) \ __ATTR(type, 0644, type##_show, type##_store) #define CODEC_ATTR_RO(type) \ @@ -259,6 +295,7 @@ static struct device_attribute codec_attrs[] = { CODEC_ATTR_RO(mfg), CODEC_ATTR_RW(name), CODEC_ATTR_RW(modelname), + CODEC_ATTR_WO(init_verbs), CODEC_ATTR_WO(reconfig), CODEC_ATTR_WO(clear), }; From 1e1be4329f2aec6a8ec63737a69258fedf34c55d Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:46 +0200 Subject: [PATCH 9/9] ALSA: hda - Add hints for reconfig This patch adds the "hints" for reconfiguring codecs. The hints are simply string arrays and can be freely used/parsed by the codec patch. The hints can be input via hwdep sysfs files. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.h | 1 + sound/pci/hda/hda_hwdep.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 38a9bb6bafb0..a77ba223af40 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -754,6 +754,7 @@ struct hda_codec { #ifdef CONFIG_SND_HDA_HWDEP struct snd_hwdep *hwdep; /* assigned hwdep device */ struct snd_array init_verbs; /* additional init verbs */ + struct snd_array hints; /* additional hints */ #endif /* misc flags */ diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index f3400d75eba4..653da1d3e4df 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include "hda_codec.h" #include "hda_local.h" @@ -98,8 +99,16 @@ static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file) static void clear_hwdep_elements(struct hda_codec *codec) { + char **head; + int i; + /* clear init verbs */ snd_array_free(&codec->init_verbs); + /* clear hints */ + head = codec->hints.list; + for (i = 0; i < codec->hints.used; i++, head++) + kfree(*head); + snd_array_free(&codec->hints); } static void hwdep_free(struct snd_hwdep *hwdep) @@ -131,6 +140,7 @@ int __devinit snd_hda_create_hwdep(struct hda_codec *codec) #endif snd_array_init(&codec->init_verbs, sizeof(struct hda_verb), 32); + snd_array_init(&codec->hints, sizeof(char *), 32); return 0; } @@ -280,6 +290,29 @@ static ssize_t init_verbs_store(struct device *dev, return count; } +static ssize_t hints_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct snd_hwdep *hwdep = dev_get_drvdata(dev); + struct hda_codec *codec = hwdep->private_data; + char *p; + char **hint; + + if (!*buf || isspace(*buf) || *buf == '#' || *buf == '\n') + return count; + p = kstrndup_noeol(buf, 1024); + if (!p) + return -ENOMEM; + hint = snd_array_new(&codec->hints); + if (!hint) { + kfree(p); + return -ENOMEM; + } + *hint = p; + return count; +} + #define CODEC_ATTR_RW(type) \ __ATTR(type, 0644, type##_show, type##_store) #define CODEC_ATTR_RO(type) \ @@ -296,6 +329,7 @@ static struct device_attribute codec_attrs[] = { CODEC_ATTR_RW(name), CODEC_ATTR_RW(modelname), CODEC_ATTR_WO(init_verbs), + CODEC_ATTR_WO(hints), CODEC_ATTR_WO(reconfig), CODEC_ATTR_WO(clear), };