AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

ASoC: qcom: Add apq8016 lpass driver support

Browse Source 
This patch adds apq8016 lpass driver support. APQ8016 has 4 MI2S which
can be routed to one internal codec and 2 external codec interfaces.

Primary, Secondary, Quaternary I2S can do Rx(playback) and Tertiary and
Quaternary can do Tx(capture).

Tested-by: Kenneth Westfield <kwestfie@codeaurora.org>
Acked-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2015-05-22 16:53:52 +01:00 committed by Mark Brown
parent b202836a54
commit dc1ebd1811
5 changed files with 263 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
include/dt-bindings/sound/apq8016-lpass.h Normal file
View File

@ -0,0 +1,9 @@
#ifndef __DT_APQ8016_LPASS_H
#define __DT_APQ8016_LPASS_H
#define MI2S_PRIMARY 0
#define MI2S_SECONDARY 1
#define MI2S_TERTIARY 2
#define MI2S_QUATERNARY 3
#endif /* __DT_APQ8016_LPASS_H */

6
sound/soc/qcom/Kconfig
View File

@ -18,6 +18,12 @@ config SND_SOC_LPASS_IPQ806X
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM
config SND_SOC_LPASS_APQ8016
tristate
depends on SND_SOC_QCOM
select SND_SOC_LPASS_CPU
select SND_SOC_LPASS_PLATFORM
config SND_SOC_STORM
tristate "ASoC I2S support for Storm boards"
depends on (ARCH_QCOM && SND_SOC_QCOM) || COMPILE_TEST

2
sound/soc/qcom/Makefile
View File

@ -2,10 +2,12 @@
snd-soc-lpass-cpu-objs := lpass-cpu.o
snd-soc-lpass-platform-objs := lpass-platform.o
snd-soc-lpass-ipq806x-objs := lpass-ipq806x.o
snd-soc-lpass-apq8016-objs := lpass-apq8016.o
obj-$(CONFIG_SND_SOC_LPASS_CPU) += snd-soc-lpass-cpu.o
obj-$(CONFIG_SND_SOC_LPASS_PLATFORM) += snd-soc-lpass-platform.o
obj-$(CONFIG_SND_SOC_LPASS_IPQ806X) += snd-soc-lpass-ipq806x.o
obj-$(CONFIG_SND_SOC_LPASS_APQ8016) += snd-soc-lpass-apq8016.o
# Machine
snd-soc-storm-objs := storm.o

242
sound/soc/qcom/lpass-apq8016.c Normal file
View File

@ -0,0 +1,242 @@
/*
* Copyright (c) 2010-2011,2013-2015 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* lpass-apq8016.c -- ALSA SoC CPU DAI driver for APQ8016 LPASS
*
*/
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <dt-bindings/sound/apq8016-lpass.h>
#include "lpass-lpaif-reg.h"
#include "lpass.h"
static struct snd_soc_dai_driver apq8016_lpass_cpu_dai_driver[] = {
[MI2S_PRIMARY] = {
.id = MI2S_PRIMARY,
.name = "Primary MI2S",
.playback = {
.stream_name = "Primary Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
[MI2S_SECONDARY] = {
.id = MI2S_SECONDARY,
.name = "Secondary MI2S",
.playback = {
.stream_name = "Secondary Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
[MI2S_TERTIARY] = {
.id = MI2S_TERTIARY,
.name = "Tertiary MI2S",
.capture = {
.stream_name = "Tertiary Capture",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
[MI2S_QUATERNARY] = {
.id = MI2S_QUATERNARY,
.name = "Quatenary MI2S",
.playback = {
.stream_name = "Quatenary Playback",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.capture = {
.stream_name = "Quatenary Capture",
.formats = SNDRV_PCM_FMTBIT_S16 |
SNDRV_PCM_FMTBIT_S24 |
SNDRV_PCM_FMTBIT_S32,
.rates = SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000 |
SNDRV_PCM_RATE_32000 |
SNDRV_PCM_RATE_48000 |
SNDRV_PCM_RATE_96000,
.rate_min = 8000,
.rate_max = 96000,
.channels_min = 1,
.channels_max = 8,
},
.probe = &asoc_qcom_lpass_cpu_dai_probe,
.ops = &asoc_qcom_lpass_cpu_dai_ops,
},
};
static int apq8016_lpass_alloc_dma_channel(struct lpass_data *drvdata)
{
struct lpass_variant *v = drvdata->variant;
int chan = find_first_zero_bit(&drvdata->rdma_ch_bit_map,
v->rdma_channels);
if (chan >= v->rdma_channels)
return -EBUSY;
set_bit(chan, &drvdata->rdma_ch_bit_map);
return chan;
}
static int apq8016_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
{
clear_bit(chan, &drvdata->rdma_ch_bit_map);
return 0;
}
static int apq8016_lpass_init(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
struct device *dev = &pdev->dev;
int ret;
drvdata->pcnoc_mport_clk = devm_clk_get(dev, "pcnoc-mport-clk");
if (IS_ERR(drvdata->pcnoc_mport_clk)) {
dev_err(&pdev->dev, "%s() error getting pcnoc-mport-clk: %ld\n",
__func__, PTR_ERR(drvdata->pcnoc_mport_clk));
return PTR_ERR(drvdata->pcnoc_mport_clk);
}
ret = clk_prepare_enable(drvdata->pcnoc_mport_clk);
if (ret) {
dev_err(&pdev->dev, "%s() Error enabling pcnoc-mport-clk: %d\n",
__func__, ret);
return ret;
}
drvdata->pcnoc_sway_clk = devm_clk_get(dev, "pcnoc-sway-clk");
if (IS_ERR(drvdata->pcnoc_sway_clk)) {
dev_err(&pdev->dev, "%s() error getting pcnoc-sway-clk: %ld\n",
__func__, PTR_ERR(drvdata->pcnoc_sway_clk));
return PTR_ERR(drvdata->pcnoc_sway_clk);
}
ret = clk_prepare_enable(drvdata->pcnoc_sway_clk);
if (ret) {
dev_err(&pdev->dev, "%s() Error enabling pcnoc_sway_clk: %d\n",
__func__, ret);
return ret;
}
return 0;
}
static int apq8016_lpass_exit(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
clk_disable_unprepare(drvdata->pcnoc_mport_clk);
clk_disable_unprepare(drvdata->pcnoc_sway_clk);
return 0;
}
static struct lpass_variant apq8016_data = {
.i2sctrl_reg_base = 0x1000,
.i2sctrl_reg_stride = 0x1000,
.i2s_ports = 4,
.irq_reg_base = 0x6000,
.irq_reg_stride = 0x1000,
.irq_ports = 3,
.rdma_reg_base = 0x8400,
.rdma_reg_stride = 0x1000,
.rdma_channels = 2,
.rdmactl_audif_start = 1,
.dai_driver = apq8016_lpass_cpu_dai_driver,
.num_dai = ARRAY_SIZE(apq8016_lpass_cpu_dai_driver),
.init = apq8016_lpass_init,
.exit = apq8016_lpass_exit,
.alloc_dma_channel = apq8016_lpass_alloc_dma_channel,
.free_dma_channel = apq8016_lpass_free_dma_channel,
};
static const struct of_device_id apq8016_lpass_cpu_device_id[] = {
{ .compatible = "qcom,lpass-cpu-apq8016", .data = &apq8016_data },
{}
};
MODULE_DEVICE_TABLE(of, apq8016_lpass_cpu_device_id);
static struct platform_driver apq8016_lpass_cpu_platform_driver = {
.driver = {
.name = "apq8016-lpass-cpu",
.of_match_table = of_match_ptr(apq8016_lpass_cpu_device_id),
},
.probe = asoc_qcom_lpass_cpu_platform_probe,
.remove = asoc_qcom_lpass_cpu_platform_remove,
};
module_platform_driver(apq8016_lpass_cpu_platform_driver);
MODULE_DESCRIPTION("APQ8016 LPASS CPU Driver");
MODULE_LICENSE("GPL v2");

4
sound/soc/qcom/lpass.h
View File

@ -54,6 +54,10 @@ struct lpass_data {
/* used it for handling interrupt per dma channel */
struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS];
/* 8016 specific */
struct clk *pcnoc_mport_clk;
struct clk *pcnoc_sway_clk;
};
/* Vairant data per each SOC */