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Diffstat (limited to 'include/linux/soundwire/sdw.h')
-rw-r--r--include/linux/soundwire/sdw.h130
1 files changed, 109 insertions, 21 deletions
diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h
index 9e4537f409c2..ef645de13ae9 100644
--- a/include/linux/soundwire/sdw.h
+++ b/include/linux/soundwire/sdw.h
@@ -4,6 +4,7 @@
#ifndef __SOUNDWIRE_H
#define __SOUNDWIRE_H
+#include <linux/bug.h>
#include <linux/mod_devicetable.h>
#include <linux/bitfield.h>
@@ -365,7 +366,9 @@ struct sdw_dpn_prop {
* @sink_dpn_prop: Sink Data Port N properties
* @scp_int1_mask: SCP_INT1_MASK desired settings
* @quirks: bitmask identifying deltas from the MIPI specification
- * @is_sdca: the Slave supports the SDCA specification
+ * @clock_reg_supported: the Peripheral implements the clock base and scale
+ * registers introduced with the SoundWire 1.2 specification. SDCA devices
+ * do not need to set this boolean property as the registers are required.
*/
struct sdw_slave_prop {
u32 mipi_revision;
@@ -389,7 +392,7 @@ struct sdw_slave_prop {
struct sdw_dpn_prop *sink_dpn_prop;
u8 scp_int1_mask;
u32 quirks;
- bool is_sdca;
+ bool clock_reg_supported;
};
#define SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY BIT(0)
@@ -566,13 +569,15 @@ struct sdw_prepare_ch {
* enum sdw_port_prep_ops: Prepare operations for Data Port
*
* @SDW_OPS_PORT_PRE_PREP: Pre prepare operation for the Port
- * @SDW_OPS_PORT_PREP: Prepare operation for the Port
+ * @SDW_OPS_PORT_PRE_DEPREP: Pre deprepare operation for the Port
* @SDW_OPS_PORT_POST_PREP: Post prepare operation for the Port
+ * @SDW_OPS_PORT_POST_DEPREP: Post deprepare operation for the Port
*/
enum sdw_port_prep_ops {
SDW_OPS_PORT_PRE_PREP = 0,
- SDW_OPS_PORT_PREP = 1,
- SDW_OPS_PORT_POST_PREP = 2,
+ SDW_OPS_PORT_PRE_DEPREP,
+ SDW_OPS_PORT_POST_PREP,
+ SDW_OPS_PORT_POST_DEPREP,
};
/**
@@ -834,8 +839,8 @@ struct sdw_defer {
* @read_prop: Read Master properties
* @override_adr: Override value read from firmware (quirk for buggy firmware)
* @xfer_msg: Transfer message callback
- * @xfer_msg_defer: Defer version of transfer message callback
- * @reset_page_addr: Reset the SCP page address registers
+ * @xfer_msg_defer: Defer version of transfer message callback. The message is handled with the
+ * bus struct @sdw_defer
* @set_bus_conf: Set the bus configuration
* @pre_bank_switch: Callback for pre bank switch
* @post_bank_switch: Callback for post bank switch
@@ -849,10 +854,7 @@ struct sdw_master_ops {
enum sdw_command_response (*xfer_msg)
(struct sdw_bus *bus, struct sdw_msg *msg);
enum sdw_command_response (*xfer_msg_defer)
- (struct sdw_bus *bus, struct sdw_msg *msg,
- struct sdw_defer *defer);
- enum sdw_command_response (*reset_page_addr)
- (struct sdw_bus *bus, unsigned int dev_num);
+ (struct sdw_bus *bus);
int (*set_bus_conf)(struct sdw_bus *bus,
struct sdw_bus_params *params);
int (*pre_bank_switch)(struct sdw_bus *bus);
@@ -1021,15 +1023,8 @@ int sdw_stream_add_master(struct sdw_bus *bus,
struct sdw_port_config *port_config,
unsigned int num_ports,
struct sdw_stream_runtime *stream);
-int sdw_stream_add_slave(struct sdw_slave *slave,
- struct sdw_stream_config *stream_config,
- struct sdw_port_config *port_config,
- unsigned int num_ports,
- struct sdw_stream_runtime *stream);
int sdw_stream_remove_master(struct sdw_bus *bus,
struct sdw_stream_runtime *stream);
-int sdw_stream_remove_slave(struct sdw_slave *slave,
- struct sdw_stream_runtime *stream);
int sdw_startup_stream(void *sdw_substream);
int sdw_prepare_stream(struct sdw_stream_runtime *stream);
int sdw_enable_stream(struct sdw_stream_runtime *stream);
@@ -1040,18 +1035,111 @@ int sdw_bus_prep_clk_stop(struct sdw_bus *bus);
int sdw_bus_clk_stop(struct sdw_bus *bus);
int sdw_bus_exit_clk_stop(struct sdw_bus *bus);
-/* messaging and data APIs */
+int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id);
+void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id);
+#if IS_ENABLED(CONFIG_SOUNDWIRE)
+
+int sdw_stream_add_slave(struct sdw_slave *slave,
+ struct sdw_stream_config *stream_config,
+ struct sdw_port_config *port_config,
+ unsigned int num_ports,
+ struct sdw_stream_runtime *stream);
+int sdw_stream_remove_slave(struct sdw_slave *slave,
+ struct sdw_stream_runtime *stream);
+
+/* messaging and data APIs */
int sdw_read(struct sdw_slave *slave, u32 addr);
int sdw_write(struct sdw_slave *slave, u32 addr, u8 value);
int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value);
int sdw_read_no_pm(struct sdw_slave *slave, u32 addr);
int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
+int sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val);
int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val);
+int sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val);
int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val);
int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val);
-int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id);
-void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id);
+#else
+
+static inline int sdw_stream_add_slave(struct sdw_slave *slave,
+ struct sdw_stream_config *stream_config,
+ struct sdw_port_config *port_config,
+ unsigned int num_ports,
+ struct sdw_stream_runtime *stream)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_stream_remove_slave(struct sdw_slave *slave,
+ struct sdw_stream_runtime *stream)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+/* messaging and data APIs */
+static inline int sdw_read(struct sdw_slave *slave, u32 addr)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_write(struct sdw_slave *slave, u32 addr, u8 value)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_read_no_pm(struct sdw_slave *slave, u32 addr)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_nread_no_pm(struct sdw_slave *slave, u32 addr, size_t count, u8 *val)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_nwrite_no_pm(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+static inline int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val)
+{
+ WARN_ONCE(1, "SoundWire API is disabled");
+ return -EINVAL;
+}
+
+#endif /* CONFIG_SOUNDWIRE */
#endif /* __SOUNDWIRE_H */
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-14 12:48:40 +0300