1 // SPDX-License-Identifier: GPL-2.0-or-later 1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /* 2 /*
3 * ALSA SoC CQ0093 Voice Codec Driver for DaVi 3 * ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
4 * 4 *
5 * Copyright (C) 2010 Texas Instruments, Inc 5 * Copyright (C) 2010 Texas Instruments, Inc
6 * 6 *
7 * Author: Miguel Aguilar <miguel.aguilar@ridg 7 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
8 */ 8 */
9 #include <linux/module.h> 9 #include <linux/module.h>
10 #include <linux/moduleparam.h> 10 #include <linux/moduleparam.h>
11 #include <linux/init.h> 11 #include <linux/init.h>
12 #include <linux/io.h> 12 #include <linux/io.h>
13 #include <linux/delay.h> 13 #include <linux/delay.h>
14 #include <linux/pm.h> 14 #include <linux/pm.h>
15 #include <linux/platform_device.h> 15 #include <linux/platform_device.h>
16 #include <linux/device.h> 16 #include <linux/device.h>
17 #include <linux/slab.h> 17 #include <linux/slab.h>
18 #include <linux/clk.h> 18 #include <linux/clk.h>
19 #include <linux/mfd/davinci_voicecodec.h> 19 #include <linux/mfd/davinci_voicecodec.h>
20 #include <linux/spi/spi.h> 20 #include <linux/spi/spi.h>
21 21
22 #include <sound/core.h> 22 #include <sound/core.h>
23 #include <sound/pcm.h> 23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h> 24 #include <sound/pcm_params.h>
25 #include <sound/soc.h> 25 #include <sound/soc.h>
26 #include <sound/initval.h> 26 #include <sound/initval.h>
27 27
28 static const struct snd_kcontrol_new cq93vc_sn 28 static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
29 SOC_SINGLE("PGA Capture Volume", DAVIN 29 SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
30 SOC_SINGLE("Mono DAC Playback Volume", 30 SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
31 }; 31 };
32 32
33 static int cq93vc_mute(struct snd_soc_dai *dai !! 33 static int cq93vc_mute(struct snd_soc_dai *dai, int mute)
34 { 34 {
35 struct snd_soc_component *component = 35 struct snd_soc_component *component = dai->component;
36 u8 reg; 36 u8 reg;
37 37
38 if (mute) 38 if (mute)
39 reg = DAVINCI_VC_REG09_MUTE; 39 reg = DAVINCI_VC_REG09_MUTE;
40 else 40 else
41 reg = 0; 41 reg = 0;
42 42
43 snd_soc_component_update_bits(componen 43 snd_soc_component_update_bits(component, DAVINCI_VC_REG09, DAVINCI_VC_REG09_MUTE,
44 reg); 44 reg);
45 45
46 return 0; 46 return 0;
47 } 47 }
48 48
49 static int cq93vc_set_dai_sysclk(struct snd_so 49 static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
50 int clk_id, u 50 int clk_id, unsigned int freq, int dir)
51 { 51 {
52 switch (freq) { 52 switch (freq) {
53 case 22579200: 53 case 22579200:
54 case 27000000: 54 case 27000000:
55 case 33868800: 55 case 33868800:
56 return 0; 56 return 0;
57 } 57 }
58 58
59 return -EINVAL; 59 return -EINVAL;
60 } 60 }
61 61
62 static int cq93vc_set_bias_level(struct snd_so 62 static int cq93vc_set_bias_level(struct snd_soc_component *component,
63 enum snd_soc_b 63 enum snd_soc_bias_level level)
64 { 64 {
65 switch (level) { 65 switch (level) {
66 case SND_SOC_BIAS_ON: 66 case SND_SOC_BIAS_ON:
67 snd_soc_component_write(compon 67 snd_soc_component_write(component, DAVINCI_VC_REG12,
68 DAVINCI_VC_REG12_ 68 DAVINCI_VC_REG12_POWER_ALL_ON);
69 break; 69 break;
70 case SND_SOC_BIAS_PREPARE: 70 case SND_SOC_BIAS_PREPARE:
71 break; 71 break;
72 case SND_SOC_BIAS_STANDBY: 72 case SND_SOC_BIAS_STANDBY:
73 snd_soc_component_write(compon 73 snd_soc_component_write(component, DAVINCI_VC_REG12,
74 DAVINCI_VC_REG12_ 74 DAVINCI_VC_REG12_POWER_ALL_OFF);
75 break; 75 break;
76 case SND_SOC_BIAS_OFF: 76 case SND_SOC_BIAS_OFF:
77 /* force all power off */ 77 /* force all power off */
78 snd_soc_component_write(compon 78 snd_soc_component_write(component, DAVINCI_VC_REG12,
79 DAVINCI_VC_REG12_ 79 DAVINCI_VC_REG12_POWER_ALL_OFF);
80 break; 80 break;
81 } 81 }
82 82
83 return 0; 83 return 0;
84 } 84 }
85 85
86 #define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | 86 #define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
87 #define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | 87 #define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
88 88
89 static const struct snd_soc_dai_ops cq93vc_dai 89 static const struct snd_soc_dai_ops cq93vc_dai_ops = {
90 .mute_stream = cq93vc_mute, !! 90 .digital_mute = cq93vc_mute,
91 .set_sysclk = cq93vc_set_dai_syscl 91 .set_sysclk = cq93vc_set_dai_sysclk,
92 .no_capture_mute = 1, <<
93 }; 92 };
94 93
95 static struct snd_soc_dai_driver cq93vc_dai = 94 static struct snd_soc_dai_driver cq93vc_dai = {
96 .name = "cq93vc-hifi", 95 .name = "cq93vc-hifi",
97 .playback = { 96 .playback = {
98 .stream_name = "Playback", 97 .stream_name = "Playback",
99 .channels_min = 1, 98 .channels_min = 1,
100 .channels_max = 2, 99 .channels_max = 2,
101 .rates = CQ93VC_RATES, 100 .rates = CQ93VC_RATES,
102 .formats = CQ93VC_FORMATS,}, 101 .formats = CQ93VC_FORMATS,},
103 .capture = { 102 .capture = {
104 .stream_name = "Capture", 103 .stream_name = "Capture",
105 .channels_min = 1, 104 .channels_min = 1,
106 .channels_max = 2, 105 .channels_max = 2,
107 .rates = CQ93VC_RATES, 106 .rates = CQ93VC_RATES,
108 .formats = CQ93VC_FORMATS,}, 107 .formats = CQ93VC_FORMATS,},
109 .ops = &cq93vc_dai_ops, 108 .ops = &cq93vc_dai_ops,
110 }; 109 };
111 110
112 static int cq93vc_probe(struct snd_soc_compone 111 static int cq93vc_probe(struct snd_soc_component *component)
113 { 112 {
114 struct davinci_vc *davinci_vc = compon 113 struct davinci_vc *davinci_vc = component->dev->platform_data;
115 114
116 snd_soc_component_init_regmap(componen 115 snd_soc_component_init_regmap(component, davinci_vc->regmap);
117 116
118 return 0; 117 return 0;
119 } 118 }
120 119
121 static const struct snd_soc_component_driver s 120 static const struct snd_soc_component_driver soc_component_dev_cq93vc = {
122 .set_bias_level = cq93vc_set_b 121 .set_bias_level = cq93vc_set_bias_level,
123 .probe = cq93vc_probe 122 .probe = cq93vc_probe,
124 .controls = cq93vc_snd_c 123 .controls = cq93vc_snd_controls,
125 .num_controls = ARRAY_SIZE(c 124 .num_controls = ARRAY_SIZE(cq93vc_snd_controls),
126 .idle_bias_on = 1, 125 .idle_bias_on = 1,
127 .use_pmdown_time = 1, 126 .use_pmdown_time = 1,
128 .endianness = 1, 127 .endianness = 1,
>> 128 .non_legacy_dai_naming = 1,
129 }; 129 };
130 130
131 static int cq93vc_platform_probe(struct platfo 131 static int cq93vc_platform_probe(struct platform_device *pdev)
132 { 132 {
133 return devm_snd_soc_register_component 133 return devm_snd_soc_register_component(&pdev->dev,
134 &soc_component_dev_cq9 134 &soc_component_dev_cq93vc, &cq93vc_dai, 1);
135 } 135 }
136 136
>> 137 static int cq93vc_platform_remove(struct platform_device *pdev)
>> 138 {
>> 139 return 0;
>> 140 }
>> 141
137 static struct platform_driver cq93vc_codec_dri 142 static struct platform_driver cq93vc_codec_driver = {
138 .driver = { 143 .driver = {
139 .name = "cq93vc-codec" 144 .name = "cq93vc-codec",
140 }, 145 },
141 146
142 .probe = cq93vc_platform_probe, 147 .probe = cq93vc_platform_probe,
>> 148 .remove = cq93vc_platform_remove,
143 }; 149 };
144 150
145 module_platform_driver(cq93vc_codec_driver); 151 module_platform_driver(cq93vc_codec_driver);
146 152
147 MODULE_DESCRIPTION("Texas Instruments DaVinci 153 MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
148 MODULE_AUTHOR("Miguel Aguilar"); 154 MODULE_AUTHOR("Miguel Aguilar");
149 MODULE_LICENSE("GPL"); 155 MODULE_LICENSE("GPL");
150 156
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