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Diffstat (limited to 'compress_ops.h')
-rw-r--r-- | compress_ops.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/compress_ops.h b/compress_ops.h new file mode 100644 index 0000000..a3147b7 --- /dev/null +++ b/compress_ops.h @@ -0,0 +1,50 @@ +/* compress.h +** +** Copyright (c) 2019, The Linux Foundation. All rights reserved. +** +** Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above +** copyright notice, this list of conditions and the following +** disclaimer in the documentation and/or other materials provided +** with the distribution. +** * Neither the name of The Linux Foundation nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +** WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +** BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +** OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +** IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**/ + +#ifndef __COMPRESS_H__ +#define __COMPRESS_H__ + +#include <poll.h> + +#include "sound/compress_params.h" +#include "sound/compress_offload.h" + +struct compress_ops { + int (*open) (unsigned int card, unsigned int device, + unsigned int flags, void **data, void *node); + void (*close) (void *data); + int (*ioctl) (void *data, unsigned int cmd, ...); + int (*read) (void *data, void *buf, size_t size); + int (*write) (void *data, const void *buf, size_t size); + int (*poll) (void *data, struct pollfd *fds, nfds_t nfds, + int timeout); +}; + +#endif /* end of __PCM_H__ */ |