diff options
Diffstat (limited to 'drivers/soundwire/cadence_master.h')
| -rw-r--r-- | drivers/soundwire/cadence_master.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/soundwire/cadence_master.h b/drivers/soundwire/cadence_master.h index c34fb050fe4f..9373426c7f63 100644 --- a/drivers/soundwire/cadence_master.h +++ b/drivers/soundwire/cadence_master.h @@ -208,4 +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 */ |