1 // SPDX-License-Identifier: GPL-2.0-or-later <<
2 /* 1 /*
3 * ALSA SoC CQ0093 Voice Codec Driver for DaVi 2 * ALSA SoC CQ0093 Voice Codec Driver for DaVinci platforms
4 * 3 *
5 * Copyright (C) 2010 Texas Instruments, Inc 4 * Copyright (C) 2010 Texas Instruments, Inc
6 * 5 *
7 * Author: Miguel Aguilar <miguel.aguilar@ridg 6 * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com>
>> 7 *
>> 8 * This program is free software; you can redistribute it and/or modify
>> 9 * it under the terms of the GNU General Public License as published by
>> 10 * the Free Software Foundation; either version 2 of the License, or
>> 11 * (at your option) any later version.
>> 12 *
>> 13 * This program is distributed in the hope that it will be useful,
>> 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> 16 * GNU General Public License for more details.
>> 17 *
>> 18 * You should have received a copy of the GNU General Public License
>> 19 * along with this program; if not, write to the Free Software
>> 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
8 */ 21 */
9 #include <linux/module.h> 22 #include <linux/module.h>
10 #include <linux/moduleparam.h> 23 #include <linux/moduleparam.h>
11 #include <linux/init.h> 24 #include <linux/init.h>
12 #include <linux/io.h> 25 #include <linux/io.h>
13 #include <linux/delay.h> 26 #include <linux/delay.h>
14 #include <linux/pm.h> 27 #include <linux/pm.h>
15 #include <linux/platform_device.h> 28 #include <linux/platform_device.h>
16 #include <linux/device.h> 29 #include <linux/device.h>
17 #include <linux/slab.h> 30 #include <linux/slab.h>
18 #include <linux/clk.h> 31 #include <linux/clk.h>
19 #include <linux/mfd/davinci_voicecodec.h> 32 #include <linux/mfd/davinci_voicecodec.h>
20 #include <linux/spi/spi.h> 33 #include <linux/spi/spi.h>
21 34
22 #include <sound/core.h> 35 #include <sound/core.h>
23 #include <sound/pcm.h> 36 #include <sound/pcm.h>
24 #include <sound/pcm_params.h> 37 #include <sound/pcm_params.h>
25 #include <sound/soc.h> 38 #include <sound/soc.h>
26 #include <sound/initval.h> 39 #include <sound/initval.h>
27 40
28 static const struct snd_kcontrol_new cq93vc_sn 41 static const struct snd_kcontrol_new cq93vc_snd_controls[] = {
29 SOC_SINGLE("PGA Capture Volume", DAVIN 42 SOC_SINGLE("PGA Capture Volume", DAVINCI_VC_REG05, 0, 0x03, 0),
30 SOC_SINGLE("Mono DAC Playback Volume", 43 SOC_SINGLE("Mono DAC Playback Volume", DAVINCI_VC_REG09, 0, 0x3f, 0),
31 }; 44 };
32 45
33 static int cq93vc_mute(struct snd_soc_dai *dai !! 46 static int cq93vc_mute(struct snd_soc_dai *dai, int mute)
34 { 47 {
35 struct snd_soc_component *component = 48 struct snd_soc_component *component = dai->component;
36 u8 reg; 49 u8 reg;
37 50
38 if (mute) 51 if (mute)
39 reg = DAVINCI_VC_REG09_MUTE; 52 reg = DAVINCI_VC_REG09_MUTE;
40 else 53 else
41 reg = 0; 54 reg = 0;
42 55
43 snd_soc_component_update_bits(componen 56 snd_soc_component_update_bits(component, DAVINCI_VC_REG09, DAVINCI_VC_REG09_MUTE,
44 reg); 57 reg);
45 58
46 return 0; 59 return 0;
47 } 60 }
48 61
49 static int cq93vc_set_dai_sysclk(struct snd_so 62 static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
50 int clk_id, u 63 int clk_id, unsigned int freq, int dir)
51 { 64 {
52 switch (freq) { 65 switch (freq) {
53 case 22579200: 66 case 22579200:
54 case 27000000: 67 case 27000000:
55 case 33868800: 68 case 33868800:
56 return 0; 69 return 0;
57 } 70 }
58 71
59 return -EINVAL; 72 return -EINVAL;
60 } 73 }
61 74
62 static int cq93vc_set_bias_level(struct snd_so 75 static int cq93vc_set_bias_level(struct snd_soc_component *component,
63 enum snd_soc_b 76 enum snd_soc_bias_level level)
64 { 77 {
65 switch (level) { 78 switch (level) {
66 case SND_SOC_BIAS_ON: 79 case SND_SOC_BIAS_ON:
67 snd_soc_component_write(compon 80 snd_soc_component_write(component, DAVINCI_VC_REG12,
68 DAVINCI_VC_REG12_ 81 DAVINCI_VC_REG12_POWER_ALL_ON);
69 break; 82 break;
70 case SND_SOC_BIAS_PREPARE: 83 case SND_SOC_BIAS_PREPARE:
71 break; 84 break;
72 case SND_SOC_BIAS_STANDBY: 85 case SND_SOC_BIAS_STANDBY:
73 snd_soc_component_write(compon 86 snd_soc_component_write(component, DAVINCI_VC_REG12,
74 DAVINCI_VC_REG12_ 87 DAVINCI_VC_REG12_POWER_ALL_OFF);
75 break; 88 break;
76 case SND_SOC_BIAS_OFF: 89 case SND_SOC_BIAS_OFF:
77 /* force all power off */ 90 /* force all power off */
78 snd_soc_component_write(compon 91 snd_soc_component_write(component, DAVINCI_VC_REG12,
79 DAVINCI_VC_REG12_ 92 DAVINCI_VC_REG12_POWER_ALL_OFF);
80 break; 93 break;
81 } 94 }
82 95
83 return 0; 96 return 0;
84 } 97 }
85 98
86 #define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | 99 #define CQ93VC_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000)
87 #define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | 100 #define CQ93VC_FORMATS (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
88 101
89 static const struct snd_soc_dai_ops cq93vc_dai 102 static const struct snd_soc_dai_ops cq93vc_dai_ops = {
90 .mute_stream = cq93vc_mute, !! 103 .digital_mute = cq93vc_mute,
91 .set_sysclk = cq93vc_set_dai_syscl 104 .set_sysclk = cq93vc_set_dai_sysclk,
92 .no_capture_mute = 1, <<
93 }; 105 };
94 106
95 static struct snd_soc_dai_driver cq93vc_dai = 107 static struct snd_soc_dai_driver cq93vc_dai = {
96 .name = "cq93vc-hifi", 108 .name = "cq93vc-hifi",
97 .playback = { 109 .playback = {
98 .stream_name = "Playback", 110 .stream_name = "Playback",
99 .channels_min = 1, 111 .channels_min = 1,
100 .channels_max = 2, 112 .channels_max = 2,
101 .rates = CQ93VC_RATES, 113 .rates = CQ93VC_RATES,
102 .formats = CQ93VC_FORMATS,}, 114 .formats = CQ93VC_FORMATS,},
103 .capture = { 115 .capture = {
104 .stream_name = "Capture", 116 .stream_name = "Capture",
105 .channels_min = 1, 117 .channels_min = 1,
106 .channels_max = 2, 118 .channels_max = 2,
107 .rates = CQ93VC_RATES, 119 .rates = CQ93VC_RATES,
108 .formats = CQ93VC_FORMATS,}, 120 .formats = CQ93VC_FORMATS,},
109 .ops = &cq93vc_dai_ops, 121 .ops = &cq93vc_dai_ops,
110 }; 122 };
111 123
112 static int cq93vc_probe(struct snd_soc_compone 124 static int cq93vc_probe(struct snd_soc_component *component)
113 { 125 {
114 struct davinci_vc *davinci_vc = compon 126 struct davinci_vc *davinci_vc = component->dev->platform_data;
115 127
116 snd_soc_component_init_regmap(componen 128 snd_soc_component_init_regmap(component, davinci_vc->regmap);
117 129
118 return 0; 130 return 0;
119 } 131 }
120 132
121 static const struct snd_soc_component_driver s 133 static const struct snd_soc_component_driver soc_component_dev_cq93vc = {
122 .set_bias_level = cq93vc_set_b 134 .set_bias_level = cq93vc_set_bias_level,
123 .probe = cq93vc_probe 135 .probe = cq93vc_probe,
124 .controls = cq93vc_snd_c 136 .controls = cq93vc_snd_controls,
125 .num_controls = ARRAY_SIZE(c 137 .num_controls = ARRAY_SIZE(cq93vc_snd_controls),
126 .idle_bias_on = 1, 138 .idle_bias_on = 1,
127 .use_pmdown_time = 1, 139 .use_pmdown_time = 1,
128 .endianness = 1, 140 .endianness = 1,
>> 141 .non_legacy_dai_naming = 1,
129 }; 142 };
130 143
131 static int cq93vc_platform_probe(struct platfo 144 static int cq93vc_platform_probe(struct platform_device *pdev)
132 { 145 {
133 return devm_snd_soc_register_component 146 return devm_snd_soc_register_component(&pdev->dev,
134 &soc_component_dev_cq9 147 &soc_component_dev_cq93vc, &cq93vc_dai, 1);
135 } 148 }
136 149
>> 150 static int cq93vc_platform_remove(struct platform_device *pdev)
>> 151 {
>> 152 return 0;
>> 153 }
>> 154
137 static struct platform_driver cq93vc_codec_dri 155 static struct platform_driver cq93vc_codec_driver = {
138 .driver = { 156 .driver = {
139 .name = "cq93vc-codec" 157 .name = "cq93vc-codec",
140 }, 158 },
141 159
142 .probe = cq93vc_platform_probe, 160 .probe = cq93vc_platform_probe,
>> 161 .remove = cq93vc_platform_remove,
143 }; 162 };
144 163
145 module_platform_driver(cq93vc_codec_driver); 164 module_platform_driver(cq93vc_codec_driver);
146 165
147 MODULE_DESCRIPTION("Texas Instruments DaVinci 166 MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC CQ0093 Voice Codec Driver");
148 MODULE_AUTHOR("Miguel Aguilar"); 167 MODULE_AUTHOR("Miguel Aguilar");
149 MODULE_LICENSE("GPL"); 168 MODULE_LICENSE("GPL");
150 169
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.