1// SPDX-License-Identifier: GPL-2.0
2//
3// MediaTek ALSA SoC Audio Control
4//
5// Copyright (c) 2020 MediaTek Inc.
6// Author: Shane Chien <shane.chien@mediatek.com>
7//
8
9#include "mt8192-afe-common.h"
10
11enum {
12	MTK_AFE_RATE_8K = 0,
13	MTK_AFE_RATE_11K = 1,
14	MTK_AFE_RATE_12K = 2,
15	MTK_AFE_RATE_384K = 3,
16	MTK_AFE_RATE_16K = 4,
17	MTK_AFE_RATE_22K = 5,
18	MTK_AFE_RATE_24K = 6,
19	MTK_AFE_RATE_352K = 7,
20	MTK_AFE_RATE_32K = 8,
21	MTK_AFE_RATE_44K = 9,
22	MTK_AFE_RATE_48K = 10,
23	MTK_AFE_RATE_88K = 11,
24	MTK_AFE_RATE_96K = 12,
25	MTK_AFE_RATE_176K = 13,
26	MTK_AFE_RATE_192K = 14,
27	MTK_AFE_RATE_260K = 15,
28};
29
30enum {
31	MTK_AFE_DAI_MEMIF_RATE_8K = 0,
32	MTK_AFE_DAI_MEMIF_RATE_16K = 1,
33	MTK_AFE_DAI_MEMIF_RATE_32K = 2,
34	MTK_AFE_DAI_MEMIF_RATE_48K = 3,
35};
36
37enum {
38	MTK_AFE_PCM_RATE_8K = 0,
39	MTK_AFE_PCM_RATE_16K = 1,
40	MTK_AFE_PCM_RATE_32K = 2,
41	MTK_AFE_PCM_RATE_48K = 3,
42};
43
44unsigned int mt8192_general_rate_transform(struct device *dev,
45					   unsigned int rate)
46{
47	switch (rate) {
48	case 8000:
49		return MTK_AFE_RATE_8K;
50	case 11025:
51		return MTK_AFE_RATE_11K;
52	case 12000:
53		return MTK_AFE_RATE_12K;
54	case 16000:
55		return MTK_AFE_RATE_16K;
56	case 22050:
57		return MTK_AFE_RATE_22K;
58	case 24000:
59		return MTK_AFE_RATE_24K;
60	case 32000:
61		return MTK_AFE_RATE_32K;
62	case 44100:
63		return MTK_AFE_RATE_44K;
64	case 48000:
65		return MTK_AFE_RATE_48K;
66	case 88200:
67		return MTK_AFE_RATE_88K;
68	case 96000:
69		return MTK_AFE_RATE_96K;
70	case 176400:
71		return MTK_AFE_RATE_176K;
72	case 192000:
73		return MTK_AFE_RATE_192K;
74	case 260000:
75		return MTK_AFE_RATE_260K;
76	case 352800:
77		return MTK_AFE_RATE_352K;
78	case 384000:
79		return MTK_AFE_RATE_384K;
80	default:
81		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
82			 __func__,
83			 rate, MTK_AFE_RATE_48K);
84		return MTK_AFE_RATE_48K;
85	}
86}
87
88static unsigned int dai_memif_rate_transform(struct device *dev,
89					     unsigned int rate)
90{
91	switch (rate) {
92	case 8000:
93		return MTK_AFE_DAI_MEMIF_RATE_8K;
94	case 16000:
95		return MTK_AFE_DAI_MEMIF_RATE_16K;
96	case 32000:
97		return MTK_AFE_DAI_MEMIF_RATE_32K;
98	case 48000:
99		return MTK_AFE_DAI_MEMIF_RATE_48K;
100	default:
101		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
102			 __func__,
103			 rate, MTK_AFE_DAI_MEMIF_RATE_16K);
104		return MTK_AFE_DAI_MEMIF_RATE_16K;
105	}
106}
107
108static unsigned int pcm_rate_transform(struct device *dev,
109				       unsigned int rate)
110{
111	switch (rate) {
112	case 8000:
113		return MTK_AFE_PCM_RATE_8K;
114	case 16000:
115		return MTK_AFE_PCM_RATE_16K;
116	case 32000:
117		return MTK_AFE_PCM_RATE_32K;
118	case 48000:
119		return MTK_AFE_PCM_RATE_48K;
120	default:
121		dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
122			 __func__,
123			 rate, MTK_AFE_PCM_RATE_32K);
124		return MTK_AFE_PCM_RATE_32K;
125	}
126}
127
128unsigned int mt8192_rate_transform(struct device *dev,
129				   unsigned int rate, int aud_blk)
130{
131	switch (aud_blk) {
132	case MT8192_MEMIF_DAI:
133	case MT8192_MEMIF_MOD_DAI:
134		return dai_memif_rate_transform(dev, rate);
135	case MT8192_DAI_PCM_1:
136	case MT8192_DAI_PCM_2:
137		return pcm_rate_transform(dev, rate);
138	default:
139		return mt8192_general_rate_transform(dev, rate);
140	}
141}
142
143int mt8192_dai_set_priv(struct mtk_base_afe *afe, int id,
144			int priv_size, const void *priv_data)
145{
146	struct mt8192_afe_private *afe_priv = afe->platform_priv;
147	void *temp_data;
148
149	temp_data = devm_kzalloc(afe->dev,
150				 priv_size,
151				 GFP_KERNEL);
152	if (!temp_data)
153		return -ENOMEM;
154
155	if (priv_data)
156		memcpy(temp_data, priv_data, priv_size);
157
158	afe_priv->dai_priv[id] = temp_data;
159
160	return 0;
161}
162