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 33 #ifndef __AW_ALSA_PCM_GENERIC_H 34 #define __AW_ALSA_PCM_GENERIC_H 35 36 #include <aw-alsa-lib/pcm.h> 37 38 typedef struct { 39 snd_pcm_t *slave; 40 int close_slave; 41 } snd_pcm_generic_t; 42 43 int snd_pcm_generic_close(snd_pcm_t *pcm); 44 int snd_pcm_generic_hw_free(snd_pcm_t *pcm); 45 int snd_pcm_generic_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params); 46 int snd_pcm_generic_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 47 int snd_pcm_generic_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params); 48 int snd_pcm_generic_prepare(snd_pcm_t *pcm); 49 int snd_pcm_generic_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info); 50 int snd_pcm_generic_mmap(snd_pcm_t *pcm); 51 int snd_pcm_generic_munmap(snd_pcm_t *pcm); 52 snd_pcm_chmap_query_t **snd_pcm_generic_query_chmaps(snd_pcm_t *pcm); 53 snd_pcm_chmap_t *snd_pcm_generic_get_chmap(snd_pcm_t *pcm); 54 int snd_pcm_generic_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map); 55 snd_pcm_state_t snd_pcm_generic_state(snd_pcm_t *pcm); 56 int snd_pcm_generic_hwsync(snd_pcm_t *pcm); 57 int snd_pcm_generic_reset(snd_pcm_t *pcm); 58 int snd_pcm_generic_start(snd_pcm_t *pcm); 59 int snd_pcm_generic_drop(snd_pcm_t *pcm); 60 int snd_pcm_generic_drain(snd_pcm_t *pcm); 61 int snd_pcm_generic_pause(snd_pcm_t *pcm, int enable); 62 int snd_pcm_generic_resume(snd_pcm_t *pcm); 63 int snd_pcm_generic_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp); 64 snd_pcm_sframes_t snd_pcm_generic_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size); 65 snd_pcm_sframes_t snd_pcm_generic_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size); 66 snd_pcm_sframes_t snd_pcm_generic_avail_update(snd_pcm_t *pcm); 67 snd_pcm_sframes_t snd_pcm_generic_mmap_commit(snd_pcm_t *pcm, 68 snd_pcm_uframes_t offset, 69 snd_pcm_uframes_t size); 70 int snd_pcm_generic_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail); 71 72 #endif /* __AW_ALSA_PCM_GENERIC_H */ 73