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Diffstat (limited to 'include/linux/soundwire/sdw.h')
-rw-r--r--include/linux/soundwire/sdw.h32
1 files changed, 25 insertions, 7 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 00f5826092e3..9c27a32df9bb 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -291,8 +291,8 @@ struct sdw_dpn_audio_mode {
* implementation-defined interrupts
* @max_ch: Maximum channels supported
* @min_ch: Minimum channels supported
- * @num_ch: Number of discrete channels supported
- * @ch: Discrete channels supported
+ * @num_channels: Number of discrete channels supported
+ * @channels: Discrete channels supported
* @num_ch_combinations: Number of channel combinations supported
* @ch_combinations: Channel combinations supported
* @modes: SDW mode supported
@@ -316,8 +316,8 @@ struct sdw_dpn_prop {
u32 imp_def_interrupts;
u32 max_ch;
u32 min_ch;
- u32 num_ch;
- u32 *ch;
+ u32 num_channels;
+ u32 *channels;
u32 num_ch_combinations;
u32 *ch_combinations;
u32 modes;
@@ -632,6 +632,19 @@ struct sdw_slave {
#define dev_to_sdw_dev(_dev) container_of(_dev, struct sdw_slave, dev)
+/**
+ * struct sdw_master_device - SoundWire 'Master Device' representation
+ * @dev: Linux device for this Master
+ * @bus: Bus handle shortcut
+ */
+struct sdw_master_device {
+ struct device dev;
+ struct sdw_bus *bus;
+};
+
+#define dev_to_sdw_master_device(d) \
+ container_of(d, struct sdw_master_device, dev)
+
struct sdw_driver {
const char *name;
@@ -787,8 +800,10 @@ struct sdw_master_ops {
/**
* struct sdw_bus - SoundWire bus
- * @dev: Master linux device
+ * @dev: Shortcut to &bus->md->dev to avoid changing the entire code.
+ * @md: Master device
* @link_id: Link id number, can be 0 to N, unique for each Master
+ * @id: bus system-wide unique id
* @slaves: list of Slaves on this bus
* @assigned: Bitmap for Slave device numbers.
* Bit set implies used number, bit clear implies unused number.
@@ -812,7 +827,9 @@ struct sdw_master_ops {
*/
struct sdw_bus {
struct device *dev;
+ struct sdw_master_device *md;
unsigned int link_id;
+ int id;
struct list_head slaves;
DECLARE_BITMAP(assigned, SDW_MAX_DEVICES);
struct mutex bus_lock;
@@ -832,8 +849,9 @@ struct sdw_bus {
bool multi_link;
};
-int sdw_add_bus_master(struct sdw_bus *bus);
-void sdw_delete_bus_master(struct sdw_bus *bus);
+int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent,
+ struct fwnode_handle *fwnode);
+void sdw_bus_master_delete(struct sdw_bus *bus);
/**
* sdw_port_config: Master or Slave Port configuration