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.)
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14 * COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
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16 *
17 *
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22 * OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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31 */
32 
33 #include <stdlib.h>
34 #include <stdio.h>
35 #include "pcm_local.h"
36 #include "pcm_generic.h"
37 
snd_pcm_generic_close(snd_pcm_t * pcm)38 int snd_pcm_generic_close(snd_pcm_t *pcm)
39 {
40     snd_pcm_generic_t *generic = pcm->private_data;
41     int err = 0;
42     awalsa_debug("\n");
43     if (generic->close_slave)
44         err = snd_pcm_close(generic->slave);
45     free(generic);
46     return err;
47 }
48 
snd_pcm_generic_hw_free(snd_pcm_t * pcm)49 int snd_pcm_generic_hw_free(snd_pcm_t *pcm)
50 {
51     snd_pcm_generic_t *generic = pcm->private_data;
52     awalsa_debug("\n");
53     return snd_pcm_hw_free(generic->slave);
54 }
55 
snd_pcm_generic_sw_params(snd_pcm_t * pcm,snd_pcm_sw_params_t * params)56 int snd_pcm_generic_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params)
57 {
58     snd_pcm_generic_t *generic = pcm->private_data;
59     awalsa_debug("\n");
60     return snd_pcm_sw_params(generic->slave, params);
61 }
62 
snd_pcm_generic_hw_refine(snd_pcm_t * pcm,snd_pcm_hw_params_t * params)63 int snd_pcm_generic_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
64 {
65     snd_pcm_generic_t *generic = pcm->private_data;
66     awalsa_debug("\n");
67     return snd_pcm_hw_refine(generic->slave, params);
68 }
69 
snd_pcm_generic_hw_params(snd_pcm_t * pcm,snd_pcm_hw_params_t * params)70 int snd_pcm_generic_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
71 {
72     snd_pcm_generic_t *generic = pcm->private_data;
73     awalsa_debug("\n");
74     return _snd_pcm_hw_params_internal(generic->slave, params);
75 }
76 
snd_pcm_generic_prepare(snd_pcm_t * pcm)77 int snd_pcm_generic_prepare(snd_pcm_t *pcm)
78 {
79     snd_pcm_generic_t *generic = pcm->private_data;
80     awalsa_debug("\n");
81     return snd_pcm_prepare(generic->slave);
82 }
83 
snd_pcm_generic_channel_info(snd_pcm_t * pcm,snd_pcm_channel_info_t * info)84 int snd_pcm_generic_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info)
85 {
86     snd_pcm_generic_t *generic = pcm->private_data;
87     awalsa_debug("\n");
88     if (pcm->mmap_shadow) {
89         /* No own buffer is required - the plugin won't change
90          * the data on the buffer, or do safely on-the-place
91          * conversion
92          */
93         return snd_pcm_channel_info(generic->slave, info);
94     } else {
95         /* Allocate own buffer */
96         return snd_pcm_channel_info_shm(pcm, info, -1);
97     }
98 }
99 
snd_pcm_generic_mmap(snd_pcm_t * pcm)100 int snd_pcm_generic_mmap(snd_pcm_t *pcm)
101 {
102     awalsa_debug("\n");
103     if (pcm->mmap_shadow) {
104         /* Copy the slave mmapped buffer data */
105         snd_pcm_generic_t *generic = pcm->private_data;
106         pcm->mmap_channels = generic->slave->mmap_channels;
107         pcm->running_areas = generic->slave->running_areas;
108         pcm->stopped_areas = generic->slave->stopped_areas;
109     }
110     return 0;
111 }
112 
snd_pcm_generic_munmap(snd_pcm_t * pcm)113 int snd_pcm_generic_munmap(snd_pcm_t *pcm)
114 {
115     awalsa_debug("\n");
116     if (pcm->mmap_shadow) {
117         /* Clean up */
118         pcm->mmap_channels = NULL;
119         pcm->running_areas = NULL;
120         pcm->stopped_areas = NULL;
121     }
122     return 0;
123 }
124 
snd_pcm_generic_query_chmaps(snd_pcm_t * pcm)125 snd_pcm_chmap_query_t **snd_pcm_generic_query_chmaps(snd_pcm_t *pcm)
126 {
127     snd_pcm_generic_t *generic = pcm->private_data;
128     awalsa_debug("\n");
129     return snd_pcm_query_chmaps(generic->slave);
130 }
131 
snd_pcm_generic_get_chmap(snd_pcm_t * pcm)132 snd_pcm_chmap_t *snd_pcm_generic_get_chmap(snd_pcm_t *pcm)
133 {
134     snd_pcm_generic_t *generic = pcm->private_data;
135     awalsa_debug("\n");
136     return snd_pcm_get_chmap(generic->slave);
137 }
138 
snd_pcm_generic_set_chmap(snd_pcm_t * pcm,const snd_pcm_chmap_t * map)139 int snd_pcm_generic_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map)
140 {
141     snd_pcm_generic_t *generic = pcm->private_data;
142     awalsa_debug("\n");
143     return snd_pcm_set_chmap(generic->slave, map);
144 }
145 
snd_pcm_generic_state(snd_pcm_t * pcm)146 snd_pcm_state_t snd_pcm_generic_state(snd_pcm_t *pcm)
147 {
148     snd_pcm_generic_t *generic = pcm->private_data;
149     awalsa_debug("\n");
150     return snd_pcm_state(generic->slave);
151 }
152 
snd_pcm_generic_hwsync(snd_pcm_t * pcm)153 int snd_pcm_generic_hwsync(snd_pcm_t *pcm)
154 {
155     snd_pcm_generic_t *generic = pcm->private_data;
156     awalsa_debug("\n");
157     return snd_pcm_hwsync(generic->slave);
158 }
159 
snd_pcm_generic_reset(snd_pcm_t * pcm)160 int snd_pcm_generic_reset(snd_pcm_t *pcm)
161 {
162     snd_pcm_generic_t *generic = pcm->private_data;
163     awalsa_debug("\n");
164     return snd_pcm_reset(generic->slave);
165 }
166 
snd_pcm_generic_start(snd_pcm_t * pcm)167 int snd_pcm_generic_start(snd_pcm_t *pcm)
168 {
169     snd_pcm_generic_t *generic = pcm->private_data;
170     awalsa_debug("\n");
171     return snd_pcm_start(generic->slave);
172 }
173 
snd_pcm_generic_drop(snd_pcm_t * pcm)174 int snd_pcm_generic_drop(snd_pcm_t *pcm)
175 {
176     snd_pcm_generic_t *generic = pcm->private_data;
177     awalsa_debug("\n");
178     return snd_pcm_drop(generic->slave);
179 }
180 
snd_pcm_generic_drain(snd_pcm_t * pcm)181 int snd_pcm_generic_drain(snd_pcm_t *pcm)
182 {
183     snd_pcm_generic_t *generic = pcm->private_data;
184     awalsa_debug("\n");
185     return snd_pcm_drain(generic->slave);
186 }
187 
snd_pcm_generic_pause(snd_pcm_t * pcm,int enable)188 int snd_pcm_generic_pause(snd_pcm_t *pcm, int enable)
189 {
190     snd_pcm_generic_t *generic = pcm->private_data;
191     awalsa_debug("\n");
192     return snd_pcm_pause(generic->slave, enable);
193 }
194 
snd_pcm_generic_resume(snd_pcm_t * pcm)195 int snd_pcm_generic_resume(snd_pcm_t *pcm)
196 {
197     snd_pcm_generic_t *generic = pcm->private_data;
198     awalsa_debug("\n");
199     return snd_pcm_resume(generic->slave);
200 }
201 
snd_pcm_generic_delay(snd_pcm_t * pcm,snd_pcm_sframes_t * delayp)202 int snd_pcm_generic_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp)
203 {
204     snd_pcm_generic_t *generic = pcm->private_data;
205     awalsa_debug("\n");
206     return snd_pcm_delay(generic->slave, delayp);
207 }
208 
snd_pcm_generic_writei(snd_pcm_t * pcm,const void * buffer,snd_pcm_uframes_t size)209 snd_pcm_sframes_t snd_pcm_generic_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size)
210 {
211     snd_pcm_generic_t *generic = pcm->private_data;
212     awalsa_debug("\n");
213     return _snd_pcm_writei(generic->slave, buffer, size);
214 }
215 
snd_pcm_generic_readi(snd_pcm_t * pcm,void * buffer,snd_pcm_uframes_t size)216 snd_pcm_sframes_t snd_pcm_generic_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size)
217 {
218     snd_pcm_generic_t *generic = pcm->private_data;
219     awalsa_debug("\n");
220     return _snd_pcm_readi(generic->slave, buffer, size);
221 }
222 
snd_pcm_generic_avail_update(snd_pcm_t * pcm)223 snd_pcm_sframes_t snd_pcm_generic_avail_update(snd_pcm_t *pcm)
224 {
225     snd_pcm_generic_t *generic = pcm->private_data;
226     awalsa_debug("\n");
227     return snd_pcm_avail_update(generic->slave);
228 }
229 
snd_pcm_generic_mmap_commit(snd_pcm_t * pcm,snd_pcm_uframes_t offset,snd_pcm_uframes_t size)230 snd_pcm_sframes_t snd_pcm_generic_mmap_commit(snd_pcm_t *pcm,
231                           snd_pcm_uframes_t offset,
232                           snd_pcm_uframes_t size)
233 {
234     snd_pcm_generic_t *generic = pcm->private_data;
235     awalsa_debug("\n");
236     return snd_pcm_mmap_commit(generic->slave, offset, size);
237 }
238 
snd_pcm_generic_may_wait_for_avail_min(snd_pcm_t * pcm,snd_pcm_uframes_t avail)239 int snd_pcm_generic_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail)
240 {
241     snd_pcm_generic_t *generic = pcm->private_data;
242     awalsa_debug("\n");
243     return snd_pcm_may_wait_for_avail_min(generic->slave,
244             snd_pcm_mmap_avail(generic->slave));
245 }
246