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-rw-r--r--include/sound/soc.h159
1 files changed, 140 insertions, 19 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index e665f111b0d2..4e8071269639 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -802,6 +802,14 @@ struct snd_soc_component_driver {
int probe_order;
int remove_order;
+ /*
+ * signal if the module handling the component should not be removed
+ * if a pcm is open. Setting this would prevent the module
+ * refcount being incremented in probe() but allow it be incremented
+ * when a pcm is opened and decremented when it is closed.
+ */
+ unsigned int module_get_upon_open:1;
+
/* bits */
unsigned int idle_bias_on:1;
unsigned int suspend_bias_off:1;
@@ -891,6 +899,7 @@ struct snd_soc_dai_link {
/* config - must be set by machine driver */
const char *name; /* Codec name */
const char *stream_name; /* Stream name */
+
/*
* 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,
@@ -898,34 +907,29 @@ struct snd_soc_dai_link {
* 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;
+
/*
* 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;
/*
* 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 *platform;
+ struct snd_soc_dai_link_component *platforms;
+ unsigned int num_platforms;
int id; /* optional ID for machine driver link identification */
@@ -985,12 +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 */
};
@@ -999,6 +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
@@ -1043,6 +1135,8 @@ struct snd_soc_card {
struct mutex mutex;
struct mutex dapm_mutex;
+ spinlock_t dpcm_lock;
+
bool instantiated;
bool topology_shortname_created;
@@ -1142,7 +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)
@@ -1167,7 +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;
@@ -1192,6 +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; \
@@ -1543,6 +1637,33 @@ struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
return NULL;
}
+static inline
+int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card,
+ const char *platform_name)
+{
+ struct snd_soc_dai_link *dai_link;
+ const char *name;
+ int i;
+
+ if (!platform_name) /* nothing to do */
+ return 0;
+
+ /* set platform name for each dailink */
+ for_each_card_prelinks(card, i, dai_link) {
+ name = devm_kstrdup(card->dev, platform_name, GFP_KERNEL);
+ if (!name)
+ return -ENOMEM;
+
+ if (!dai_link->platforms)
+ return -EINVAL;
+
+ /* only single platform is supported for now */
+ dai_link->platforms->name = name;
+ }
+
+ return 0;
+}
+
#ifdef CONFIG_DEBUG_FS
extern struct dentry *snd_soc_debugfs_root;
#endif
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-09 07:06:11 +0200