Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/sound/soc/mediatek/common/mtk-dai-adda-common.c
26450 views
1
// SPDX-License-Identifier: GPL-2.0

2
/*

3
 * MediaTek ALSA SoC Audio DAI ADDA Common

4
 *

5
 * Copyright (c) 2021 MediaTek Inc.

6
 * Copyright (c) 2024 Collabora Ltd.

7
 *         AngeloGioacchino Del Regno <[email protected]>

8
 */

9


10
#include <linux/delay.h>

11
#include <linux/dev_printk.h>

12


13
#include "mtk-base-afe.h"

14
#include "mtk-dai-adda-common.h"

15


16
unsigned int mtk_adda_dl_rate_transform(struct mtk_base_afe *afe, u32 rate)

17
{

18
	switch (rate) {

19
	case 8000:

20
		return MTK_AFE_ADDA_DL_RATE_8K;

21
	case 11025:

22
		return MTK_AFE_ADDA_DL_RATE_11K;

23
	case 12000:

24
		return MTK_AFE_ADDA_DL_RATE_12K;

25
	case 16000:

26
		return MTK_AFE_ADDA_DL_RATE_16K;

27
	case 22050:

28
		return MTK_AFE_ADDA_DL_RATE_22K;

29
	case 24000:

30
		return MTK_AFE_ADDA_DL_RATE_24K;

31
	case 32000:

32
		return MTK_AFE_ADDA_DL_RATE_32K;

33
	case 44100:

34
		return MTK_AFE_ADDA_DL_RATE_44K;

35
	case 48000:

36
		return MTK_AFE_ADDA_DL_RATE_48K;

37
	case 96000:

38
		return MTK_AFE_ADDA_DL_RATE_96K;

39
	case 192000:

40
		return MTK_AFE_ADDA_DL_RATE_192K;

41
	default:

42
		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",

43
			 __func__, rate);

44
		return MTK_AFE_ADDA_DL_RATE_48K;

45
	}

46
}

47
EXPORT_SYMBOL_GPL(mtk_adda_dl_rate_transform);

48


49
unsigned int mtk_adda_ul_rate_transform(struct mtk_base_afe *afe, u32 rate)

50
{

51
	switch (rate) {

52
	case 8000:

53
		return MTK_AFE_ADDA_UL_RATE_8K;

54
	case 16000:

55
		return MTK_AFE_ADDA_UL_RATE_16K;

56
	case 32000:

57
		return MTK_AFE_ADDA_UL_RATE_32K;

58
	case 48000:

59
		return MTK_AFE_ADDA_UL_RATE_48K;

60
	case 96000:

61
		return MTK_AFE_ADDA_UL_RATE_96K;

62
	case 192000:

63
		return MTK_AFE_ADDA_UL_RATE_192K;

64
	default:

65
		dev_info(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",

66
			 __func__, rate);

67
		return MTK_AFE_ADDA_UL_RATE_48K;

68
	}

69
}

70
EXPORT_SYMBOL_GPL(mtk_adda_ul_rate_transform);

71


72