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Diffstat (limited to 'drivers/soundwire/cadence_master.h')
-rw-r--r--drivers/soundwire/cadence_master.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h
index e1d7969ba48a..9373426c7f63 100644
--- a/drivers/soundwire/cadence_master.h
+++ b/drivers/soundwire/cadence_master.h
@@ -168,6 +168,7 @@ int sdw_cdns_probe(struct sdw_cdns *cdns);
irqreturn_t sdw_cdns_irq(int irq, void *dev_id);
irqreturn_t sdw_cdns_thread(int irq, void *dev_id);
+int sdw_cdns_soft_reset(struct sdw_cdns *cdns);
int sdw_cdns_init(struct sdw_cdns *cdns);
int sdw_cdns_pdi_init(struct sdw_cdns *cdns,
struct sdw_cdns_stream_config config);
@@ -207,4 +208,24 @@ void sdw_cdns_check_self_clearing_bits(struct sdw_cdns *cdns, const char *string
void sdw_cdns_config_update(struct sdw_cdns *cdns);
int sdw_cdns_config_update_set_wait(struct sdw_cdns *cdns);
+/* SoundWire BPT/BRA helpers to format data */
+int sdw_cdns_bpt_find_buffer_sizes(int command, /* 0: write, 1: read */
+ int row, int col, unsigned int data_bytes,
+ unsigned int requested_bytes_per_frame,
+ unsigned int *data_per_frame, unsigned int *pdi0_buffer_size,
+ unsigned int *pdi1_buffer_size, unsigned int *num_frames);
+
+int sdw_cdns_prepare_write_dma_buffer(u8 dev_num, u32 start_register, u8 *data, int data_size,
+ int data_per_frame, u8 *dma_buffer, int dma_buffer_size,
+ int *dma_buffer_total_bytes);
+
+int sdw_cdns_prepare_read_dma_buffer(u8 dev_num, u32 start_register, int data_size,
+ int data_per_frame, u8 *dma_buffer, int dma_buffer_size,
+ int *dma_buffer_total_bytes);
+
+int sdw_cdns_check_write_response(struct device *dev, u8 *dma_buffer,
+ int dma_buffer_size, int num_frames);
+
+int sdw_cdns_check_read_response(struct device *dev, u8 *dma_buffer, int dma_buffer_size,
+ u8 *buffer, int buffer_size, int num_frames, int data_per_frame);
#endif /* __SDW_CADENCE_H */