155 lines
4.1 KiB
C
155 lines
4.1 KiB
C
/*****************************************************************
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>file name : audio_codec_clock.c
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>create time : Thu 03 Jun 2021 09:36:12 AM CST
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*****************************************************************/
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#define LOG_TAG "[CODEC_CLK]"
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#define LOG_INFO_ENABLE
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#define LOG_DEBUG_ENABLE
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#define LOG_DUMP_ENABLE
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#define LOG_ERROR_ENABLE
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#define LOG_WARN_ENABLE
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#include "debug.h"
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#include "app_config.h"
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#include "system/includes.h"
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#include "audio_codec_clock.h"
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#define AUDIO_CODING_ALL (0xffffffff)
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#define MAX_CODING_TYPE_NUM 5 //可根据模式的解码格式需求扩展
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#define AUDIO_CODEC_BASE_CLK SYS_24M
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static LIST_HEAD(codec_clock_head);
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struct audio_codec_clock {
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u32 coding_type;
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u32 clk;
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};
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struct audio_codec_clk_context {
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u8 mode;
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struct audio_codec_clock params;
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struct list_head entry;
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};
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const struct audio_codec_clock audio_clock[AUDIO_MAX_MODE][MAX_CODING_TYPE_NUM] = {
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{
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//A2DP_MODE
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{
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AUDIO_CODING_SBC,
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#if (TCFG_BT_MUSIC_EQ_ENABLE && ((EQ_SECTION_MAX >= 10) && AUDIO_OUT_EFFECT_ENABLE)) || (AUDIO_VBASS_CONFIG || AUDIO_SURROUND_CONFIG)
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SYS_64M,
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#elif (TCFG_BT_MUSIC_EQ_ENABLE && ((EQ_SECTION_MAX >= 10) || AUDIO_OUT_EFFECT_ENABLE))
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#if A2DP_AUDIO_PLC_ENABLE
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SYS_64M,
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#else
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SYS_48M,
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#endif
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#else
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#if (TCFG_AUDIO_ANC_ENABLE)
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SYS_48M,
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#else
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SYS_32M,
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#endif
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#endif
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},
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{
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AUDIO_CODING_AAC,
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#if (TCFG_BT_MUSIC_EQ_ENABLE && ((EQ_SECTION_MAX >= 10) || AUDIO_OUT_EFFECT_ENABLE)) | (AUDIO_VBASS_CONFIG || AUDIO_SURROUND_CONFIG)
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SYS_64M,
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#else
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SYS_64M,
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#endif
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}
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},
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{
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//ESCO MODE
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{AUDIO_CODING_MSBC, 0},
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{AUDIO_CODING_CVSD, 0},
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},
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{
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//TONE MODE
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{AUDIO_CODING_AAC, SYS_64M},
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{AUDIO_CODING_WAV | AUDIO_CODING_MP3, 96 * 1000000L},
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{AUDIO_CODING_ALL, 0},
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},
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{
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//PC MODE
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{AUDIO_CODING_ALL, 96 * 1000000L},
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},
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{
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//KWS MODE
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{AUDIO_CODING_ALL, SYS_48M},
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},
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//TODO
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};
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int audio_codec_clock_set(u8 mode, u32 coding_type, u8 preemption)
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{
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struct audio_codec_clk_context *ctx = (struct audio_codec_clk_context *)zalloc(sizeof(struct audio_codec_clk_context));
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u32 new_clk = 0;
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if (mode >= AUDIO_MAX_MODE) {
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log_error("Not support this mode : %d", mode);
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return -EINVAL;
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}
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const struct audio_codec_clock *params = audio_clock[mode];
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int i = 0;
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for (i = 0; i < MAX_CODING_TYPE_NUM; i++) {
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if (params[i].coding_type & coding_type) {
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goto match_clock;
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}
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}
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log_error("Not found right coding type : %d", coding_type);
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return -EINVAL;
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match_clock:
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new_clk = params[i].clk ? params[i].clk : clk_get("sys");
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if (!preemption) {
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struct audio_codec_clk_context *ctx1;
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if (!list_empty(&codec_clock_head)) {
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ctx1 = list_first_entry(&codec_clock_head, struct audio_codec_clk_context, entry);
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if (ctx1) {
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if (new_clk <= ctx1->params.clk) {
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/*叠加解码的时钟不可小于在播放的音频时钟*/
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new_clk = ctx1->params.clk + 12 * 1000000;
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} else {
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new_clk += 32 * 1000000;
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}
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}
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}
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}
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ctx->mode = mode;
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ctx->params.coding_type = coding_type;
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ctx->params.clk = new_clk;
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clk_set("sys", new_clk);
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list_add(&ctx->entry, &codec_clock_head);
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return 0;
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}
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void audio_codec_clock_del(u8 mode)
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{
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struct audio_codec_clk_context *ctx;
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u32 next_clk = 0;
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list_for_each_entry(ctx, &codec_clock_head, entry) {
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if (ctx->mode == mode) {
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goto clock_del;
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}
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}
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return;
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clock_del:
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list_del(&ctx->entry);
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free(ctx);
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if (!list_empty(&codec_clock_head)) {
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ctx = list_first_entry(&codec_clock_head, struct audio_codec_clk_context, entry);
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if (ctx) {
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next_clk = ctx->params.clk;
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}
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}
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if (!next_clk) {
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next_clk = AUDIO_CODEC_BASE_CLK;
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}
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clk_set("sys", next_clk);
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}
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