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soundwire: intel: add BPT context definition

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This is needed to be shared between open/send_async/close.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Tested-by: shumingf@realtek.com
Link: https://lore.kernel.org/r/20250227140615.8147-13-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2025-02-27 22:06:11 +08:00 committed by Vinod Koul
parent 5d5cb86fb4
commit 5cdc23764d
1 changed files with 23 additions and 0 deletions
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23
drivers/soundwire/intel.h
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@ -48,11 +48,34 @@ struct sdw_intel_link_res {
struct hdac_bus *hbus;
};
/**
* struct sdw_intel_bpt - SoundWire Intel BPT context
* @bpt_tx_stream: BPT TX stream
* @dmab_tx_bdl: BPT TX buffer descriptor list
* @bpt_rx_stream: BPT RX stream
* @dmab_rx_bdl: BPT RX buffer descriptor list
* @pdi0_buffer_size: PDI0 buffer size
* @pdi1_buffer_size: PDI1 buffer size
* @num_frames: number of frames
* @data_per_frame: data per frame
*/
struct sdw_intel_bpt {
struct hdac_ext_stream *bpt_tx_stream;
struct snd_dma_buffer dmab_tx_bdl;
struct hdac_ext_stream *bpt_rx_stream;
struct snd_dma_buffer dmab_rx_bdl;
unsigned int pdi0_buffer_size;
unsigned int pdi1_buffer_size;
unsigned int num_frames;
unsigned int data_per_frame;
};
struct sdw_intel {
struct sdw_cdns cdns;
int instance;
struct sdw_intel_link_res *link_res;
bool startup_done;
struct sdw_intel_bpt bpt_ctx;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs;
#endif