1 /* 2 * Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved. 3 * 4 * Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in 5 * the the people's Republic of China and other countries. 6 * All Allwinner Technology Co.,Ltd. trademarks are used with permission. 7 * 8 * DISCLAIMER 9 * THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT. 10 * IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.) 11 * IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN 12 * ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES. 13 * ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS 14 * COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE. 15 * YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY. 16 * 17 * 18 * THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT 19 * PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND, 20 * WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING 21 * THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE 22 * OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 23 * IN NO EVENT SHALL ALLWINNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS, OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 30 * OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 #ifndef __SOUND_KSOUND_H 33 #define __SOUND_KSOUND_H 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include "pcm_common.h" 40 41 typedef struct snd_pcm_substream snd_pcm_substream_t; 42 43 /* pcm */ 44 int ksnd_pcm_open(int card_num, int device_num, int stream, int mode, void **substream); 45 int ksnd_pcm_release(int card_num, int device_num, int stream); 46 int ksnd_pcm_hw_refine(void *substream, void *params); 47 int ksnd_pcm_prepare(void *substream_handle); 48 int ksnd_pcm_reset(void *substream_handle); 49 int ksnd_pcm_hw_params(void *substream_handle, void *params_wrapper); 50 int ksnd_pcm_hw_free(void *substream_handle); 51 snd_pcm_sframes_t ksnd_pcm_writei(void *substream_handle, const void *buffer, snd_pcm_uframes_t size); 52 snd_pcm_sframes_t ksnd_pcm_readi(void *substream_handle, void *buffer, snd_pcm_uframes_t size); 53 int ksnd_pcm_start(void *substream_handle); 54 int ksnd_pcm_drain(void *substream_handle); 55 int ksnd_pcm_drop(void *substream_handle); 56 int ksnd_pcm_pause(void *substream_handle, int enable); 57 int ksnd_pcm_sw_params(void *substream_handle, void *params_wrapper); 58 int ksnd_pcm_sync_ptr(void *substream_handle, void *status, void *control, unsigned int flags); 59 int ksnd_pcm_delay(void *substream_handle, void *delay); 60 int ksnd_pcm_channel_info(void *substream_handle, void *info_wrapper); 61 void ksnd_pcm_hw_mmap_dcache_update(void *substream_handle, snd_pcm_uframes_t offset, 62 snd_pcm_uframes_t size); 63 int ksnd_pcm_wait(void *substream_handle, int index, int timeout); 64 int ksnd_pcm_rewind(snd_pcm_substream_t *substream, snd_pcm_uframes_t frames); 65 int ksnd_pcm_dsleep_init(void *substream_handle); 66 int ksnd_pcm_dsleep_release(void *substream_handle, int index); 67 68 /* ctl */ 69 int ksnd_ctl_num(const char *name); 70 int ksnd_ctl_get(const char *name, const char *elem, void *info); 71 int ksnd_ctl_get_bynum(const char *name, const unsigned int elem_num, void *info); 72 int ksnd_ctl_set(const char *name, const char *elem, unsigned int val); 73 int ksnd_ctl_set_bynum(const char *name, const unsigned int elem_num, unsigned int val); 74 int ksnd_ctl_add_elem(const char *name, void *info); 75 int ksnd_ctl_remove_elem(const char *name, const unsigned int elem_num); 76 77 int ksnd_ctl_set_multi_args(const char *name, const char *elem, int num, ...); 78 #ifdef __cplusplus 79 } 80 #endif 81 82 #endif /* __SOUND_KSOUND_H */ 83