Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 1 | /* |
| 2 | * mx27vis-aic32x4.c |
| 3 | * |
| 4 | * Copyright 2011 Vista Silicon S.L. |
| 5 | * |
| 6 | * Author: Javier Martin <javier.martin@vista-silicon.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * 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., 51 Franklin Street, Fifth Floor, Boston, |
| 21 | * MA 02110-1301, USA. |
| 22 | */ |
| 23 | |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/moduleparam.h> |
| 26 | #include <linux/device.h> |
| 27 | #include <linux/i2c.h> |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 28 | #include <linux/gpio.h> |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 29 | #include <sound/core.h> |
| 30 | #include <sound/pcm.h> |
| 31 | #include <sound/soc.h> |
| 32 | #include <sound/soc-dapm.h> |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 33 | #include <sound/tlv.h> |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 34 | #include <asm/mach-types.h> |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 35 | #include <mach/iomux-mx27.h> |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 36 | |
| 37 | #include "../codecs/tlv320aic32x4.h" |
| 38 | #include "imx-ssi.h" |
Shawn Guo | 3c77c29 | 2012-03-05 22:30:53 +0800 | [diff] [blame] | 39 | #include "imx-audmux.h" |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 40 | |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 41 | #define MX27VIS_AMP_GAIN 0 |
| 42 | #define MX27VIS_AMP_MUTE 1 |
| 43 | |
| 44 | #define MX27VIS_PIN_G0 (GPIO_PORTF + 9) |
| 45 | #define MX27VIS_PIN_G1 (GPIO_PORTF + 8) |
| 46 | #define MX27VIS_PIN_SDL (GPIO_PORTE + 5) |
| 47 | #define MX27VIS_PIN_SDR (GPIO_PORTF + 7) |
| 48 | |
| 49 | static int mx27vis_amp_gain; |
| 50 | static int mx27vis_amp_mute; |
| 51 | |
| 52 | static const int mx27vis_amp_pins[] = { |
| 53 | MX27VIS_PIN_G0 | GPIO_GPIO | GPIO_OUT, |
| 54 | MX27VIS_PIN_G1 | GPIO_GPIO | GPIO_OUT, |
| 55 | MX27VIS_PIN_SDL | GPIO_GPIO | GPIO_OUT, |
| 56 | MX27VIS_PIN_SDR | GPIO_GPIO | GPIO_OUT, |
| 57 | }; |
| 58 | |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 59 | static int mx27vis_aic32x4_hw_params(struct snd_pcm_substream *substream, |
| 60 | struct snd_pcm_hw_params *params) |
| 61 | { |
| 62 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
| 63 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 64 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 65 | int ret; |
| 66 | u32 dai_format; |
| 67 | |
| 68 | dai_format = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | |
| 69 | SND_SOC_DAIFMT_CBM_CFM; |
| 70 | |
| 71 | /* set codec DAI configuration */ |
| 72 | snd_soc_dai_set_fmt(codec_dai, dai_format); |
| 73 | |
| 74 | /* set cpu DAI configuration */ |
| 75 | snd_soc_dai_set_fmt(cpu_dai, dai_format); |
| 76 | |
| 77 | ret = snd_soc_dai_set_sysclk(codec_dai, 0, |
| 78 | 25000000, SND_SOC_CLOCK_OUT); |
| 79 | if (ret) { |
| 80 | pr_err("%s: failed setting codec sysclk\n", __func__); |
| 81 | return ret; |
| 82 | } |
| 83 | |
| 84 | ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0, |
| 85 | SND_SOC_CLOCK_IN); |
| 86 | if (ret) { |
| 87 | pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n"); |
| 88 | return ret; |
| 89 | } |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | static struct snd_soc_ops mx27vis_aic32x4_snd_ops = { |
| 95 | .hw_params = mx27vis_aic32x4_hw_params, |
| 96 | }; |
| 97 | |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 98 | static int mx27vis_amp_set(struct snd_kcontrol *kcontrol, |
| 99 | struct snd_ctl_elem_value *ucontrol) |
| 100 | { |
| 101 | struct soc_mixer_control *mc = |
| 102 | (struct soc_mixer_control *)kcontrol->private_value; |
| 103 | int value = ucontrol->value.integer.value[0]; |
| 104 | unsigned int reg = mc->reg; |
| 105 | int max = mc->max; |
| 106 | |
| 107 | if (value > max) |
| 108 | return -EINVAL; |
| 109 | |
| 110 | switch (reg) { |
| 111 | case MX27VIS_AMP_GAIN: |
| 112 | gpio_set_value(MX27VIS_PIN_G0, value & 1); |
| 113 | gpio_set_value(MX27VIS_PIN_G1, value >> 1); |
| 114 | mx27vis_amp_gain = value; |
| 115 | break; |
| 116 | case MX27VIS_AMP_MUTE: |
| 117 | gpio_set_value(MX27VIS_PIN_SDL, value & 1); |
| 118 | gpio_set_value(MX27VIS_PIN_SDR, value >> 1); |
| 119 | mx27vis_amp_mute = value; |
| 120 | break; |
| 121 | } |
| 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | static int mx27vis_amp_get(struct snd_kcontrol *kcontrol, |
| 126 | struct snd_ctl_elem_value *ucontrol) |
| 127 | { |
| 128 | struct soc_mixer_control *mc = |
| 129 | (struct soc_mixer_control *)kcontrol->private_value; |
| 130 | unsigned int reg = mc->reg; |
| 131 | |
| 132 | switch (reg) { |
| 133 | case MX27VIS_AMP_GAIN: |
| 134 | ucontrol->value.integer.value[0] = mx27vis_amp_gain; |
| 135 | break; |
| 136 | case MX27VIS_AMP_MUTE: |
| 137 | ucontrol->value.integer.value[0] = mx27vis_amp_mute; |
| 138 | break; |
| 139 | } |
| 140 | return 0; |
| 141 | } |
| 142 | |
| 143 | /* From 6dB to 24dB in steps of 6dB */ |
| 144 | static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0); |
| 145 | |
Javier Martin | a6b44f16 | 2012-01-11 13:21:05 +0100 | [diff] [blame] | 146 | static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = { |
| 147 | SOC_DAPM_PIN_SWITCH("External Mic"), |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 148 | SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0, |
| 149 | mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv), |
| 150 | SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0, |
| 151 | mx27vis_amp_get, mx27vis_amp_set), |
Javier Martin | a6b44f16 | 2012-01-11 13:21:05 +0100 | [diff] [blame] | 152 | }; |
| 153 | |
| 154 | static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { |
| 155 | SND_SOC_DAPM_MIC("External Mic", NULL), |
| 156 | }; |
| 157 | |
| 158 | static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { |
| 159 | {"Mic Bias", NULL, "External Mic"}, |
| 160 | {"IN1_R", NULL, "Mic Bias"}, |
| 161 | {"IN2_R", NULL, "Mic Bias"}, |
| 162 | {"IN3_R", NULL, "Mic Bias"}, |
| 163 | {"IN1_L", NULL, "Mic Bias"}, |
| 164 | {"IN2_L", NULL, "Mic Bias"}, |
| 165 | {"IN3_L", NULL, "Mic Bias"}, |
| 166 | }; |
| 167 | |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 168 | static struct snd_soc_dai_link mx27vis_aic32x4_dai = { |
| 169 | .name = "tlv320aic32x4", |
| 170 | .stream_name = "TLV320AIC32X4", |
| 171 | .codec_dai_name = "tlv320aic32x4-hifi", |
| 172 | .platform_name = "imx-pcm-audio.0", |
| 173 | .codec_name = "tlv320aic32x4.0-0018", |
| 174 | .cpu_dai_name = "imx-ssi.0", |
| 175 | .ops = &mx27vis_aic32x4_snd_ops, |
| 176 | }; |
| 177 | |
| 178 | static struct snd_soc_card mx27vis_aic32x4 = { |
| 179 | .name = "visstrim_m10-audio", |
Axel Lin | 6aff8cc | 2011-12-23 14:47:08 +0800 | [diff] [blame] | 180 | .owner = THIS_MODULE, |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 181 | .dai_link = &mx27vis_aic32x4_dai, |
| 182 | .num_links = 1, |
Javier Martin | a6b44f16 | 2012-01-11 13:21:05 +0100 | [diff] [blame] | 183 | .controls = mx27vis_aic32x4_controls, |
| 184 | .num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls), |
| 185 | .dapm_widgets = aic32x4_dapm_widgets, |
| 186 | .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), |
| 187 | .dapm_routes = aic32x4_dapm_routes, |
| 188 | .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 189 | }; |
| 190 | |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 191 | static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev) |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 192 | { |
| 193 | int ret; |
| 194 | |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 195 | mx27vis_aic32x4.dev = &pdev->dev; |
| 196 | ret = snd_soc_register_card(&mx27vis_aic32x4); |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 197 | if (ret) { |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 198 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
| 199 | ret); |
| 200 | return ret; |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | /* Connect SSI0 as clock slave to SSI1 external pins */ |
Shawn Guo | af4872f | 2012-03-05 22:30:54 +0800 | [diff] [blame] | 204 | imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, |
| 205 | IMX_AUDMUX_V1_PCR_SYN | |
| 206 | IMX_AUDMUX_V1_PCR_TFSDIR | |
| 207 | IMX_AUDMUX_V1_PCR_TCLKDIR | |
| 208 | IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) | |
| 209 | IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 210 | ); |
Shawn Guo | af4872f | 2012-03-05 22:30:54 +0800 | [diff] [blame] | 211 | imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1, |
| 212 | IMX_AUDMUX_V1_PCR_SYN | |
| 213 | IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 214 | ); |
| 215 | |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 216 | ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins, |
| 217 | ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP"); |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 218 | if (ret) |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 219 | printk(KERN_ERR "ASoC: unable to setup gpios\n"); |
Javier Martin | 78adaeb | 2012-01-20 10:16:57 +0100 | [diff] [blame] | 220 | |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 221 | return ret; |
| 222 | } |
| 223 | |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 224 | static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev) |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 225 | { |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 226 | snd_soc_unregister_card(&mx27vis_aic32x4); |
| 227 | |
| 228 | return 0; |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 229 | } |
| 230 | |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 231 | static struct platform_driver mx27vis_aic32x4_audio_driver = { |
| 232 | .driver = { |
| 233 | .name = "mx27vis", |
| 234 | .owner = THIS_MODULE, |
| 235 | }, |
| 236 | .probe = mx27vis_aic32x4_probe, |
| 237 | .remove = __devexit_p(mx27vis_aic32x4_remove), |
| 238 | }; |
| 239 | |
| 240 | module_platform_driver(mx27vis_aic32x4_audio_driver); |
Javier Martin | 841a451 | 2011-03-07 08:47:09 +0100 | [diff] [blame] | 241 | |
| 242 | MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); |
| 243 | MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim"); |
| 244 | MODULE_LICENSE("GPL"); |
Fabio Estevam | 5ec65ee | 2012-03-12 19:48:49 -0300 | [diff] [blame^] | 245 | MODULE_ALIAS("platform:mx27vis"); |