| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576 |
- /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
- /*
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * Copyright(c) 2025 Intel Corporation.
- */
- #ifndef __HDA_SDW_BPT_H
- #define __HDA_SDW_BPT_H
- #include <linux/device.h>
- struct hdac_ext_stream;
- struct snd_dma_buffer;
- #if IS_ENABLED(CONFIG_SND_SOF_SOF_HDA_SDW_BPT)
- int hda_sdw_bpt_open(struct device *dev, int link_id, struct hdac_ext_stream **bpt_tx_stream,
- struct snd_dma_buffer *dmab_tx_bdl, u32 bpt_tx_num_bytes,
- u32 tx_dma_bandwidth, struct hdac_ext_stream **bpt_rx_stream,
- struct snd_dma_buffer *dmab_rx_bdl, u32 bpt_rx_num_bytes,
- u32 rx_dma_bandwidth);
- int hda_sdw_bpt_send_async(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
- struct hdac_ext_stream *bpt_rx_stream);
- int hda_sdw_bpt_wait(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
- struct hdac_ext_stream *bpt_rx_stream);
- int hda_sdw_bpt_close(struct device *dev, 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 hda_sdw_bpt_get_buf_size_alignment(unsigned int dma_bandwidth);
- #else
- static inline int hda_sdw_bpt_open(struct device *dev, int link_id,
- struct hdac_ext_stream **bpt_tx_stream,
- struct snd_dma_buffer *dmab_tx_bdl, u32 bpt_tx_num_bytes,
- u32 tx_dma_bandwidth, struct hdac_ext_stream **bpt_rx_stream,
- struct snd_dma_buffer *dmab_rx_bdl, u32 bpt_rx_num_bytes,
- u32 rx_dma_bandwidth)
- {
- WARN_ONCE(1, "SoundWire BPT is disabled");
- return -EOPNOTSUPP;
- }
- static inline int hda_sdw_bpt_send_async(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
- struct hdac_ext_stream *bpt_rx_stream)
- {
- WARN_ONCE(1, "SoundWire BPT is disabled");
- return -EOPNOTSUPP;
- }
- static inline int hda_sdw_bpt_wait(struct device *dev, struct hdac_ext_stream *bpt_tx_stream,
- struct hdac_ext_stream *bpt_rx_stream)
- {
- WARN_ONCE(1, "SoundWire BPT is disabled");
- return -EOPNOTSUPP;
- }
- static inline int hda_sdw_bpt_close(struct device *dev, 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)
- {
- WARN_ONCE(1, "SoundWire BPT is disabled");
- return -EOPNOTSUPP;
- }
- static inline unsigned int hda_sdw_bpt_get_buf_size_alignment(unsigned int dma_bandwidth)
- {
- return 0;
- }
- #endif
- #endif /* __HDA_SDW_BPT_H */
|