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1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // | |
3 | // mx27vis-aic32x4.c | |
4 | // | |
5 | // Copyright 2011 Vista Silicon S.L. | |
6 | // | |
7 | // Author: Javier Martin <javier.martin@vista-silicon.com> | |
841a451f JM |
8 | |
9 | #include <linux/module.h> | |
10 | #include <linux/moduleparam.h> | |
11 | #include <linux/device.h> | |
12 | #include <linux/i2c.h> | |
78adaeb2 | 13 | #include <linux/gpio.h> |
d41789b2 | 14 | #include <linux/platform_data/asoc-mx27vis.h> |
841a451f JM |
15 | #include <sound/core.h> |
16 | #include <sound/pcm.h> | |
17 | #include <sound/soc.h> | |
18 | #include <sound/soc-dapm.h> | |
78adaeb2 | 19 | #include <sound/tlv.h> |
841a451f | 20 | #include <asm/mach-types.h> |
841a451f JM |
21 | |
22 | #include "../codecs/tlv320aic32x4.h" | |
23 | #include "imx-ssi.h" | |
3c77c29c | 24 | #include "imx-audmux.h" |
841a451f | 25 | |
78adaeb2 JM |
26 | #define MX27VIS_AMP_GAIN 0 |
27 | #define MX27VIS_AMP_MUTE 1 | |
28 | ||
78adaeb2 JM |
29 | static int mx27vis_amp_gain; |
30 | static int mx27vis_amp_mute; | |
d41789b2 SG |
31 | static int mx27vis_amp_gain0_gpio; |
32 | static int mx27vis_amp_gain1_gpio; | |
33 | static int mx27vis_amp_mutel_gpio; | |
34 | static int mx27vis_amp_muter_gpio; | |
78adaeb2 | 35 | |
841a451f JM |
36 | static int mx27vis_aic32x4_hw_params(struct snd_pcm_substream *substream, |
37 | struct snd_pcm_hw_params *params) | |
38 | { | |
39 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
40 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
41 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
42 | int ret; | |
841a451f JM |
43 | |
44 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, | |
45 | 25000000, SND_SOC_CLOCK_OUT); | |
46 | if (ret) { | |
47 | pr_err("%s: failed setting codec sysclk\n", __func__); | |
48 | return ret; | |
49 | } | |
50 | ||
51 | ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0, | |
52 | SND_SOC_CLOCK_IN); | |
53 | if (ret) { | |
54 | pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n"); | |
55 | return ret; | |
56 | } | |
57 | ||
58 | return 0; | |
59 | } | |
60 | ||
5ace37bd | 61 | static const struct snd_soc_ops mx27vis_aic32x4_snd_ops = { |
841a451f JM |
62 | .hw_params = mx27vis_aic32x4_hw_params, |
63 | }; | |
64 | ||
78adaeb2 JM |
65 | static int mx27vis_amp_set(struct snd_kcontrol *kcontrol, |
66 | struct snd_ctl_elem_value *ucontrol) | |
67 | { | |
68 | struct soc_mixer_control *mc = | |
69 | (struct soc_mixer_control *)kcontrol->private_value; | |
70 | int value = ucontrol->value.integer.value[0]; | |
71 | unsigned int reg = mc->reg; | |
72 | int max = mc->max; | |
73 | ||
74 | if (value > max) | |
75 | return -EINVAL; | |
76 | ||
77 | switch (reg) { | |
78 | case MX27VIS_AMP_GAIN: | |
d41789b2 SG |
79 | gpio_set_value(mx27vis_amp_gain0_gpio, value & 1); |
80 | gpio_set_value(mx27vis_amp_gain1_gpio, value >> 1); | |
78adaeb2 JM |
81 | mx27vis_amp_gain = value; |
82 | break; | |
83 | case MX27VIS_AMP_MUTE: | |
d41789b2 SG |
84 | gpio_set_value(mx27vis_amp_mutel_gpio, value & 1); |
85 | gpio_set_value(mx27vis_amp_muter_gpio, value >> 1); | |
78adaeb2 JM |
86 | mx27vis_amp_mute = value; |
87 | break; | |
88 | } | |
89 | return 0; | |
90 | } | |
91 | ||
92 | static int mx27vis_amp_get(struct snd_kcontrol *kcontrol, | |
93 | struct snd_ctl_elem_value *ucontrol) | |
94 | { | |
95 | struct soc_mixer_control *mc = | |
96 | (struct soc_mixer_control *)kcontrol->private_value; | |
97 | unsigned int reg = mc->reg; | |
98 | ||
99 | switch (reg) { | |
100 | case MX27VIS_AMP_GAIN: | |
101 | ucontrol->value.integer.value[0] = mx27vis_amp_gain; | |
102 | break; | |
103 | case MX27VIS_AMP_MUTE: | |
104 | ucontrol->value.integer.value[0] = mx27vis_amp_mute; | |
105 | break; | |
106 | } | |
107 | return 0; | |
108 | } | |
109 | ||
110 | /* From 6dB to 24dB in steps of 6dB */ | |
111 | static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0); | |
112 | ||
a6b44f16 JM |
113 | static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = { |
114 | SOC_DAPM_PIN_SWITCH("External Mic"), | |
78adaeb2 JM |
115 | SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0, |
116 | mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv), | |
117 | SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0, | |
118 | mx27vis_amp_get, mx27vis_amp_set), | |
a6b44f16 JM |
119 | }; |
120 | ||
121 | static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { | |
122 | SND_SOC_DAPM_MIC("External Mic", NULL), | |
123 | }; | |
124 | ||
125 | static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { | |
126 | {"Mic Bias", NULL, "External Mic"}, | |
127 | {"IN1_R", NULL, "Mic Bias"}, | |
128 | {"IN2_R", NULL, "Mic Bias"}, | |
129 | {"IN3_R", NULL, "Mic Bias"}, | |
130 | {"IN1_L", NULL, "Mic Bias"}, | |
131 | {"IN2_L", NULL, "Mic Bias"}, | |
132 | {"IN3_L", NULL, "Mic Bias"}, | |
133 | }; | |
134 | ||
841a451f JM |
135 | static struct snd_soc_dai_link mx27vis_aic32x4_dai = { |
136 | .name = "tlv320aic32x4", | |
137 | .stream_name = "TLV320AIC32X4", | |
138 | .codec_dai_name = "tlv320aic32x4-hifi", | |
3b7d4638 | 139 | .platform_name = "imx-ssi.0", |
841a451f JM |
140 | .codec_name = "tlv320aic32x4.0-0018", |
141 | .cpu_dai_name = "imx-ssi.0", | |
dea53bd3 LPC |
142 | .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | |
143 | SND_SOC_DAIFMT_CBM_CFM, | |
841a451f JM |
144 | .ops = &mx27vis_aic32x4_snd_ops, |
145 | }; | |
146 | ||
147 | static struct snd_soc_card mx27vis_aic32x4 = { | |
148 | .name = "visstrim_m10-audio", | |
6aff8ccb | 149 | .owner = THIS_MODULE, |
841a451f JM |
150 | .dai_link = &mx27vis_aic32x4_dai, |
151 | .num_links = 1, | |
a6b44f16 JM |
152 | .controls = mx27vis_aic32x4_controls, |
153 | .num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls), | |
154 | .dapm_widgets = aic32x4_dapm_widgets, | |
155 | .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), | |
156 | .dapm_routes = aic32x4_dapm_routes, | |
157 | .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), | |
841a451f JM |
158 | }; |
159 | ||
a0a3d518 | 160 | static int mx27vis_aic32x4_probe(struct platform_device *pdev) |
841a451f | 161 | { |
d41789b2 | 162 | struct snd_mx27vis_platform_data *pdata = pdev->dev.platform_data; |
841a451f JM |
163 | int ret; |
164 | ||
d41789b2 SG |
165 | if (!pdata) { |
166 | dev_err(&pdev->dev, "No platform data supplied\n"); | |
167 | return -EINVAL; | |
168 | } | |
169 | ||
170 | mx27vis_amp_gain0_gpio = pdata->amp_gain0_gpio; | |
171 | mx27vis_amp_gain1_gpio = pdata->amp_gain1_gpio; | |
172 | mx27vis_amp_mutel_gpio = pdata->amp_mutel_gpio; | |
173 | mx27vis_amp_muter_gpio = pdata->amp_muter_gpio; | |
174 | ||
5ec65ee5 FE |
175 | mx27vis_aic32x4.dev = &pdev->dev; |
176 | ret = snd_soc_register_card(&mx27vis_aic32x4); | |
841a451f | 177 | if (ret) { |
5ec65ee5 FE |
178 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
179 | ret); | |
180 | return ret; | |
841a451f JM |
181 | } |
182 | ||
183 | /* Connect SSI0 as clock slave to SSI1 external pins */ | |
af4872fb SG |
184 | imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, |
185 | IMX_AUDMUX_V1_PCR_SYN | | |
186 | IMX_AUDMUX_V1_PCR_TFSDIR | | |
187 | IMX_AUDMUX_V1_PCR_TCLKDIR | | |
188 | IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) | | |
189 | IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) | |
841a451f | 190 | ); |
af4872fb SG |
191 | imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1, |
192 | IMX_AUDMUX_V1_PCR_SYN | | |
193 | IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) | |
841a451f JM |
194 | ); |
195 | ||
196 | return ret; | |
197 | } | |
198 | ||
a0a3d518 | 199 | static int mx27vis_aic32x4_remove(struct platform_device *pdev) |
841a451f | 200 | { |
5ec65ee5 FE |
201 | snd_soc_unregister_card(&mx27vis_aic32x4); |
202 | ||
203 | return 0; | |
841a451f JM |
204 | } |
205 | ||
5ec65ee5 FE |
206 | static struct platform_driver mx27vis_aic32x4_audio_driver = { |
207 | .driver = { | |
208 | .name = "mx27vis", | |
5ec65ee5 FE |
209 | }, |
210 | .probe = mx27vis_aic32x4_probe, | |
a0a3d518 | 211 | .remove = mx27vis_aic32x4_remove, |
5ec65ee5 FE |
212 | }; |
213 | ||
214 | module_platform_driver(mx27vis_aic32x4_audio_driver); | |
841a451f JM |
215 | |
216 | MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); | |
217 | MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim"); | |
218 | MODULE_LICENSE("GPL"); | |
5ec65ee5 | 219 | MODULE_ALIAS("platform:mx27vis"); |