diff options
Diffstat (limited to 'include/sound/soc.h')
| -rw-r--r-- | include/sound/soc.h | 165 |
1 files changed, 104 insertions, 61 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 482b4ea87c3c..4e8071269639 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -901,74 +901,33 @@ struct snd_soc_dai_link { const char *stream_name; /* Stream name */ /* - * cpu_name - * cpu_of_node - * cpu_dai_name - * - * These are legacy style, and will be replaced to - * modern style (= snd_soc_dai_link_component) in the future, - * but, not yet supported so far. - * If modern style was supported for CPU, all driver will switch - * to use it, and, legacy style code will be removed from ALSA SoC. - */ - /* * You MAY specify the link's CPU-side device, either by device name, * or by DT/OF node, but not both. If this information is omitted, * the CPU-side DAI is matched using .cpu_dai_name only, which hence * must be globally unique. These fields are currently typically used * only for codec to codec links, or systems using device tree. */ - const char *cpu_name; - struct device_node *cpu_of_node; /* * You MAY specify the DAI name of the CPU DAI. If this information is * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node * only, which only works well when that device exposes a single DAI. */ - const char *cpu_dai_name; + struct snd_soc_dai_link_component *cpus; + unsigned int num_cpus; /* - * codec_name - * codec_of_node - * codec_dai_name - * - * These are legacy style, it will be converted to modern style - * (= snd_soc_dai_link_component) automatically in soc-core - * if driver is using legacy style. - * Driver shouldn't use both legacy and modern style in the same time. - * If modern style was supported for CPU, all driver will switch - * to use it, and, legacy style code will be removed from ALSA SoC. - */ - /* * You MUST specify the link's codec, either by device name, or by * DT/OF node, but not both. */ - const char *codec_name; - struct device_node *codec_of_node; /* You MUST specify the DAI name within the codec */ - const char *codec_dai_name; - struct snd_soc_dai_link_component *codecs; unsigned int num_codecs; /* - * platform_name - * platform_of_node - * - * These are legacy style, it will be converted to modern style - * (= snd_soc_dai_link_component) automatically in soc-core - * if driver is using legacy style. - * Driver shouldn't use both legacy and modern style in the same time. - * If modern style was supported for CPU, all driver will switch - * to use it, and, legacy style code will be removed from ALSA SoC. - */ - /* * You MAY specify the link's platform/PCM/DMA driver, either by * device name, or by DT/OF node, but not both. Some forms of link - * do not need a platform. + * do not need a platform. In such case, platforms are not mandatory. */ - const char *platform_name; - struct device_node *platform_of_node; struct snd_soc_dai_link_component *platforms; unsigned int num_platforms; @@ -1030,12 +989,6 @@ struct snd_soc_dai_link { /* Do not create a PCM for this DAI link (Backend link) */ unsigned int ignore:1; - /* - * This driver uses legacy platform naming. Set by the core, machine - * drivers should not modify this value. - */ - unsigned int legacy_platform:1; - struct list_head list; /* DAI link list of the soc card */ struct snd_soc_dobj dobj; /* For topology */ }; @@ -1044,6 +997,100 @@ struct snd_soc_dai_link { ((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \ (i)++) +#define for_each_link_platforms(link, i, platform) \ + for ((i) = 0; \ + ((i) < link->num_platforms) && \ + ((platform) = &link->platforms[i]); \ + (i)++) + +/* + * Sample 1 : Single CPU/Codec/Platform + * + * SND_SOC_DAILINK_DEFS(test, + * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai")), + * DAILINK_COMP_ARRAY(COMP_CODEC("codec", "codec_dai")), + * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); + * + * struct snd_soc_dai_link link = { + * ... + * SND_SOC_DAILINK_REG(test), + * }; + * + * Sample 2 : Multi CPU/Codec, no Platform + * + * SND_SOC_DAILINK_DEFS(test, + * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), + * COMP_CPU("cpu_dai2")), + * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), + * COMP_CODEC("codec2", "codec_dai2"))); + * + * struct snd_soc_dai_link link = { + * ... + * SND_SOC_DAILINK_REG(test), + * }; + * + * Sample 3 : Define each CPU/Codec/Platform manually + * + * SND_SOC_DAILINK_DEF(test_cpu, + * DAILINK_COMP_ARRAY(COMP_CPU("cpu_dai1"), + * COMP_CPU("cpu_dai2"))); + * SND_SOC_DAILINK_DEF(test_codec, + * DAILINK_COMP_ARRAY(COMP_CODEC("codec1", "codec_dai1"), + * COMP_CODEC("codec2", "codec_dai2"))); + * SND_SOC_DAILINK_DEF(test_platform, + * DAILINK_COMP_ARRAY(COMP_PLATFORM("platform"))); + * + * struct snd_soc_dai_link link = { + * ... + * SND_SOC_DAILINK_REG(test_cpu, + * test_codec, + * test_platform), + * }; + * + * Sample 4 : Sample3 without platform + * + * struct snd_soc_dai_link link = { + * ... + * SND_SOC_DAILINK_REG(test_cpu, + * test_codec); + * }; + */ + +#define SND_SOC_DAILINK_REG1(name) SND_SOC_DAILINK_REG3(name##_cpus, name##_codecs, name##_platforms) +#define SND_SOC_DAILINK_REG2(cpu, codec) SND_SOC_DAILINK_REG3(cpu, codec, null_dailink_component) +#define SND_SOC_DAILINK_REG3(cpu, codec, platform) \ + .cpus = cpu, \ + .num_cpus = ARRAY_SIZE(cpu), \ + .codecs = codec, \ + .num_codecs = ARRAY_SIZE(codec), \ + .platforms = platform, \ + .num_platforms = ARRAY_SIZE(platform) + +#define SND_SOC_DAILINK_REGx(_1, _2, _3, func, ...) func +#define SND_SOC_DAILINK_REG(...) \ + SND_SOC_DAILINK_REGx(__VA_ARGS__, \ + SND_SOC_DAILINK_REG3, \ + SND_SOC_DAILINK_REG2, \ + SND_SOC_DAILINK_REG1)(__VA_ARGS__) + +#define SND_SOC_DAILINK_DEF(name, def...) \ + static struct snd_soc_dai_link_component name[] = { def } + +#define SND_SOC_DAILINK_DEFS(name, cpu, codec, platform...) \ + SND_SOC_DAILINK_DEF(name##_cpus, cpu); \ + SND_SOC_DAILINK_DEF(name##_codecs, codec); \ + SND_SOC_DAILINK_DEF(name##_platforms, platform) + +#define DAILINK_COMP_ARRAY(param...) param +#define COMP_EMPTY() { } +#define COMP_CPU(_dai) { .dai_name = _dai, } +#define COMP_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, } +#define COMP_PLATFORM(_name) { .name = _name } +#define COMP_DUMMY() { .name = "snd-soc-dummy", .dai_name = "snd-soc-dummy-dai", } + +extern struct snd_soc_dai_link_component null_dailink_component[0]; + + struct snd_soc_codec_conf { /* * specify device either by device name, or by @@ -1189,7 +1236,7 @@ struct snd_soc_card { (i)++) #define for_each_card_links(card, link) \ - list_for_each_entry(dai_link, &(card)->dai_link_list, list) + list_for_each_entry(link, &(card)->dai_link_list, list) #define for_each_card_links_safe(card, link, _link) \ list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list) @@ -1214,7 +1261,6 @@ struct snd_soc_pcm_runtime { /* Dynamic PCM BE runtime data */ struct snd_soc_dpcm_runtime dpcm[2]; - int fe_compr; long pmdown_time; @@ -1239,6 +1285,7 @@ struct snd_soc_pcm_runtime { /* bit field */ unsigned int dev_registered:1; unsigned int pop_wait:1; + unsigned int fe_compr:1; /* for Dynamic PCM */ }; #define for_each_rtd_codec_dai(rtd, i, dai)\ for ((i) = 0; \ @@ -1607,15 +1654,11 @@ int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, if (!name) return -ENOMEM; - if (dai_link->platforms) - /* only single platform is supported for now */ - dai_link->platforms->name = name; - else - /* - * legacy mode, this case will be removed when all - * derivers are switched to modern style dai_link. - */ - dai_link->platform_name = name; + if (!dai_link->platforms) + return -EINVAL; + + /* only single platform is supported for now */ + dai_link->platforms->name = name; } return 0; |