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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
b56e972b MA |
2 | /* |
3 | * ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms | |
4 | * | |
5 | * Copyright (C) 2010 Texas Instruments, Inc | |
6 | * | |
7 | * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> | |
b56e972b MA |
8 | */ |
9 | #include <linux/module.h> | |
10 | #include <linux/moduleparam.h> | |
11 | #include <linux/init.h> | |
12 | #include <linux/io.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/pm.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/device.h> | |
923a0042 | 17 | #include <linux/slab.h> |
b56e972b MA |
18 | #include <linux/clk.h> |
19 | #include <linux/mfd/davinci_voicecodec.h> | |
f0fba2ad | 20 | #include <linux/spi/spi.h> |
b56e972b MA |
21 | |
22 | #include <sound/core.h> | |
23 | #include <sound/pcm.h> | |
24 | #include <sound/pcm_params.h> | |
25 | #include <sound/soc.h> | |
b56e972b MA |
26 | #include <sound/initval.h> |
27 | ||
b56e972b MA |
28 | static const struct snd_kcontrol_new cq93vc_snd_controls[] = { |
29 | SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0), | |
30 | SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0), | |
31 | }; | |
32 | ||
54b59270 | 33 | static int cq93vc_mute(struct snd_soc_dai *dai, int mute, int direction) |
b56e972b | 34 | { |
4f404f38 | 35 | struct snd_soc_component *component = dai->component; |
1201939a | 36 | u8 reg; |
b56e972b MA |
37 | |
38 | if (mute) | |
1201939a | 39 | reg = DAVINCI_VC_REG09_MUTE; |
b56e972b | 40 | else |
1201939a MB |
41 | reg = 0; |
42 | ||
4f404f38 | 43 | snd_soc_component_update_bits(component, DAVINCI_VC_REG09, DAVINCI_VC_REG09_MUTE, |
1201939a | 44 | reg); |
b56e972b MA |
45 | |
46 | return 0; | |
47 | } | |
48 | ||
49 | static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai, | |
50 | int clk_id, unsigned int freq, int dir) | |
51 | { | |
b56e972b MA |
52 | switch (freq) { |
53 | case 22579200: | |
54 | case 27000000: | |
55 | case 33868800: | |
b56e972b MA |
56 | return 0; |
57 | } | |
58 | ||
59 | return -EINVAL; | |
60 | } | |
61 | ||
4f404f38 | 62 | static int cq93vc_set_bias_level(struct snd_soc_component *component, |
b56e972b MA |
63 | enum snd_soc_bias_level level) |
64 | { | |
65 | switch (level) { | |
66 | case SND_SOC_BIAS_ON: | |
4f404f38 | 67 | snd_soc_component_write(component, DAVINCI_VC_REG12, |
b56e972b MA |
68 | DAVINCI_VC_REG12_POWER_ALL_ON); |
69 | break; | |
70 | case SND_SOC_BIAS_PREPARE: | |
71 | break; | |
72 | case SND_SOC_BIAS_STANDBY: | |
4f404f38 | 73 | snd_soc_component_write(component, DAVINCI_VC_REG12, |
b56e972b MA |
74 | DAVINCI_VC_REG12_POWER_ALL_OFF); |
75 | break; | |
76 | case SND_SOC_BIAS_OFF: | |
77 | /* force all power off */ | |
4f404f38 | 78 | snd_soc_component_write(component, DAVINCI_VC_REG12, |
b56e972b MA |
79 | DAVINCI_VC_REG12_POWER_ALL_OFF); |
80 | break; | |
81 | } | |
b56e972b MA |
82 | |
83 | return 0; | |
84 | } | |
85 | ||
86 | #define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000) | |
87 | #define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE) | |
88 | ||
85e7652d | 89 | static const struct snd_soc_dai_ops cq93vc_dai_ops = { |
54b59270 | 90 | .mute_stream = cq93vc_mute, |
b56e972b | 91 | .set_sysclk = cq93vc_set_dai_sysclk, |
54b59270 | 92 | .no_capture_mute = 1, |
b56e972b MA |
93 | }; |
94 | ||
f0fba2ad LG |
95 | static struct snd_soc_dai_driver cq93vc_dai = { |
96 | .name = "cq93vc-hifi", | |
b56e972b MA |
97 | .playback = { |
98 | .stream_name = "Playback", | |
99 | .channels_min = 1, | |
100 | .channels_max = 2, | |
101 | .rates = CQ93VC_RATES, | |
102 | .formats = CQ93VC_FORMATS,}, | |
103 | .capture = { | |
104 | .stream_name = "Capture", | |
105 | .channels_min = 1, | |
106 | .channels_max = 2, | |
107 | .rates = CQ93VC_RATES, | |
108 | .formats = CQ93VC_FORMATS,}, | |
109 | .ops = &cq93vc_dai_ops, | |
110 | }; | |
b56e972b | 111 | |
60e1780e | 112 | static int cq93vc_probe(struct snd_soc_component *component) |
49101a25 | 113 | { |
60e1780e | 114 | struct davinci_vc *davinci_vc = component->dev->platform_data; |
49101a25 | 115 | |
60e1780e KM |
116 | snd_soc_component_init_regmap(component, davinci_vc->regmap); |
117 | ||
118 | return 0; | |
49101a25 XL |
119 | } |
120 | ||
4f404f38 KM |
121 | static const struct snd_soc_component_driver soc_component_dev_cq93vc = { |
122 | .set_bias_level = cq93vc_set_bias_level, | |
123 | .probe = cq93vc_probe, | |
124 | .controls = cq93vc_snd_controls, | |
125 | .num_controls = ARRAY_SIZE(cq93vc_snd_controls), | |
126 | .idle_bias_on = 1, | |
127 | .use_pmdown_time = 1, | |
128 | .endianness = 1, | |
129 | .non_legacy_dai_naming = 1, | |
b56e972b | 130 | }; |
b56e972b | 131 | |
f0fba2ad | 132 | static int cq93vc_platform_probe(struct platform_device *pdev) |
b56e972b | 133 | { |
4f404f38 KM |
134 | return devm_snd_soc_register_component(&pdev->dev, |
135 | &soc_component_dev_cq93vc, &cq93vc_dai, 1); | |
b56e972b MA |
136 | } |
137 | ||
f0fba2ad | 138 | static int cq93vc_platform_remove(struct platform_device *pdev) |
b56e972b | 139 | { |
b56e972b MA |
140 | return 0; |
141 | } | |
142 | ||
143 | static struct platform_driver cq93vc_codec_driver = { | |
144 | .driver = { | |
f0fba2ad | 145 | .name = "cq93vc-codec", |
f0fba2ad LG |
146 | }, |
147 | ||
148 | .probe = cq93vc_platform_probe, | |
7a79e94e | 149 | .remove = cq93vc_platform_remove, |
b56e972b MA |
150 | }; |
151 | ||
5bbcc3c0 | 152 | module_platform_driver(cq93vc_codec_driver); |
b56e972b MA |
153 | |
154 | MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver"); | |
155 | MODULE_AUTHOR("Miguel Aguilar"); | |
156 | MODULE_LICENSE("GPL"); |