MLK-17156-4: ASoC: rpmsg_wm8960: add rpmsg_wm8960 codec
This codec is accessed by rpmsg. As the wm8960 is controlled mainly by M4, so we only add volume in this rpmsg_wm8960 codec. Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
This commit is contained in:
Shengjiu Wang
Jason Liu
parent
49e4648fd9
commit
00fde5e57f
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@ -222,6 +222,7 @@ config SND_SOC_ALL_CODECS
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select SND_SOC_WM9705 if SND_SOC_AC97_BUS
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select SND_SOC_WM9712 if SND_SOC_AC97_BUS
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select SND_SOC_WM9713 if SND_SOC_AC97_BUS
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select SND_SOC_RPMSG_WM8960
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help
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Normally ASoC codec drivers are only built if a machine driver which
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uses them is also built since they are only usable with a machine
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@ -1175,6 +1176,9 @@ config SND_SOC_ZX_AUD96P22
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depends on I2C
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select REGMAP_I2C
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config SND_SOC_RPMSG_WM8960
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tristate
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# Amp
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config SND_SOC_LM4857
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tristate
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@ -236,6 +236,7 @@ snd-soc-wm9712-objs := wm9712.o
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snd-soc-wm9713-objs := wm9713.o
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snd-soc-wm-hubs-objs := wm_hubs.o
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snd-soc-zx-aud96p22-objs := zx_aud96p22.o
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snd-soc-rpmsg-wm8960-objs := rpmsg_wm8960.o
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# Amp
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snd-soc-dio2125-objs := dio2125.o
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snd-soc-max9877-objs := max9877.o
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@ -480,6 +481,7 @@ obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o
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obj-$(CONFIG_SND_SOC_WM_ADSP) += snd-soc-wm-adsp.o
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obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o
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obj-$(CONFIG_SND_SOC_ZX_AUD96P22) += snd-soc-zx-aud96p22.o
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obj-$(CONFIG_SND_SOC_RPMSG_WM8960) += snd-soc-rpmsg-wm8960.o
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# Amp
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obj-$(CONFIG_SND_SOC_DIO2125) += snd-soc-dio2125.o
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178
sound/soc/codecs/rpmsg_wm8960.c
Normal file
178
sound/soc/codecs/rpmsg_wm8960.c
Normal file
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@ -0,0 +1,178 @@
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/*
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*
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* Copyright 2017 NXP
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/module.h>
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#include <linux/string.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc.h>
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#include <sound/tlv.h>
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#include "../fsl/fsl_rpmsg_i2s.h"
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#define WM8960_LINVOL 0x0
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#define WM8960_RINVOL 0x1
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#define WM8960_LOUT1 0x2
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#define WM8960_ROUT1 0x3
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#define WM8960_LDAC 0xa
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#define WM8960_RDAC 0xb
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#define WM8960_LADC 0x15
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#define WM8960_RADC 0x16
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#define WM8960_LOUT2 0x28
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#define WM8960_ROUT2 0x29
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static const DECLARE_TLV_DB_SCALE(adc_tlv, -9750, 50, 1);
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static const DECLARE_TLV_DB_SCALE(inpga_tlv, -1725, 75, 0);
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static const DECLARE_TLV_DB_SCALE(dac_tlv, -12750, 50, 1);
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static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
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static struct snd_kcontrol_new rpmsg_wm8960_ctrls[] = {
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SOC_DOUBLE_R_TLV("Capture Volume", WM8960_LINVOL, WM8960_RINVOL,
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0, 63, 0, inpga_tlv),
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SOC_DOUBLE_R_TLV("Playback Volume", WM8960_LDAC, WM8960_RDAC,
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0, 255, 0, dac_tlv),
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SOC_DOUBLE_R_TLV("Headphone Playback Volume", WM8960_LOUT1, WM8960_ROUT1,
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0, 127, 0, out_tlv),
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SOC_DOUBLE_R_TLV("Speaker Playback Volume", WM8960_LOUT2, WM8960_ROUT2,
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0, 127, 0, out_tlv),
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SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
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0, 255, 0, adc_tlv),
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};
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#define RPMSG_RATES (SNDRV_PCM_RATE_8000_48000 |\
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SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000)
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#define RPMSG_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
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SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
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static struct snd_soc_dai_driver rpmsg_wm8960_codec_dai = {
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.name = "rpmsg-wm8960-hifi",
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.playback = {
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.stream_name = "Playback",
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.channels_min = 2,
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.channels_max = 2,
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.rates = RPMSG_RATES,
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.formats = RPMSG_FORMATS,
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},
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.capture = {
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.stream_name = "Capture",
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.channels_min = 2,
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.channels_max = 2,
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.rates = RPMSG_RATES,
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.formats = RPMSG_FORMATS,
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},
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};
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static unsigned int rpmsg_wm8960_read(struct snd_soc_codec *codec, unsigned int reg)
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{
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struct fsl_rpmsg_i2s *rpmsg_i2s = snd_soc_codec_get_drvdata(codec);
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struct i2s_info *i2s_info = &rpmsg_i2s->i2s_info;
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struct i2s_rpmsg_s *rpmsg = &i2s_info->send_msg[RPMSG_AUDIO_I2C];
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int err, reg_val;
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mutex_lock(&i2s_info->i2c_lock);
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rpmsg->param.buffer_addr = reg;
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rpmsg->header.cmd = GET_CODEC_VALUE;
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err = i2s_info->send_message(rpmsg, i2s_info);
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reg_val = rpmsg->param.buffer_size;
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mutex_unlock(&i2s_info->i2c_lock);
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if (err)
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return 0;
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return reg_val;
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}
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static int rpmsg_wm8960_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int val)
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{
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struct fsl_rpmsg_i2s *rpmsg_i2s = snd_soc_codec_get_drvdata(codec);
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struct i2s_info *i2s_info = &rpmsg_i2s->i2s_info;
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struct i2s_rpmsg_s *rpmsg = &i2s_info->send_msg[RPMSG_AUDIO_I2C];
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int err;
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mutex_lock(&i2s_info->i2c_lock);
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rpmsg->param.buffer_addr = reg;
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rpmsg->param.buffer_size = val;
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rpmsg->header.cmd = SET_CODEC_VALUE;
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err = i2s_info->send_message(rpmsg, i2s_info);
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mutex_unlock(&i2s_info->i2c_lock);
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if (err)
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return err;
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return 0;
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}
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static int rpmsg_wm8960_probe(struct snd_soc_codec *codec)
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{
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snd_soc_update_bits(codec, WM8960_LINVOL, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_RINVOL, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_LADC, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_RADC, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_LDAC, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_RDAC, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_LOUT1, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_ROUT1, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_LOUT2, 0x100, 0x100);
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snd_soc_update_bits(codec, WM8960_ROUT2, 0x100, 0x100);
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return 0;
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}
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static struct snd_soc_codec_driver rpmsg_wm8960_codec = {
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.probe = rpmsg_wm8960_probe,
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.read = rpmsg_wm8960_read,
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.write = rpmsg_wm8960_write,
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.component_driver = {
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.controls = rpmsg_wm8960_ctrls,
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.num_controls = ARRAY_SIZE(rpmsg_wm8960_ctrls),
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},
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};
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static int rpmsg_wm8960_codec_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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struct fsl_rpmsg_i2s *rpmsg_i2s = dev_get_drvdata(pdev->dev.parent);
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int ret;
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ret = snd_soc_register_codec(dev,
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&rpmsg_wm8960_codec,
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&rpmsg_wm8960_codec_dai,
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1);
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if (ret) {
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dev_err(dev, "%s: snd_soc_register_codec() failed (%d)\n",
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__func__, ret);
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return ret;
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}
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dev_set_drvdata(dev, rpmsg_i2s);
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return 0;
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}
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static int rpmsg_wm8960_codec_remove(struct platform_device *pdev)
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{
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snd_soc_unregister_codec(&pdev->dev);
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return 0;
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}
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static struct platform_driver rpmsg_wm8960_codec_driver = {
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.driver = {
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.name = RPMSG_CODEC_DRV_NAME,
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},
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.probe = rpmsg_wm8960_codec_probe,
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.remove = rpmsg_wm8960_codec_remove,
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};
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module_platform_driver(rpmsg_wm8960_codec_driver);
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MODULE_DESCRIPTION("rpmsg wm8960 Codec Driver");
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MODULE_LICENSE("GPL");
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