* [PATCH v4 1/3] ASoC: qcom: Add apq8016 lpass driver support
2015-05-22 15:52 [PATCH v4 0/3] ASoC: qcom: add support to apq8016 audio Srinivas Kandagatla
@ 2015-05-22 15:53 ` Srinivas Kandagatla
2015-05-25 14:04 ` Mark Brown
2015-05-22 15:54 ` [PATCH v4 2/3] ASoC: qcom: add apq8016 sound card support Srinivas Kandagatla
2015-05-22 15:54 ` [PATCH v4 3/3] ASoC: qcom: fix STORM board Kconfig Srinivas Kandagatla
2 siblings, 1 reply; 10+ messages in thread
From: Srinivas Kandagatla @ 2015-05-22 15:53 UTC (permalink / raw)
To: Patrick Lai, Mark Brown
Cc: Rob Herring, Pawel Moll, Ian Campbell, Kumar Gala,
Banajit Goswami, Kenneth Westfield, Liam Girdwood,
Jaroslav Kysela, Takashi Iwai, devicetree, linux-kernel,
alsa-devel, linux-arm-msm, Srinivas Kandagatla
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>
---
include/dt-bindings/sound/apq8016-lpass.h | 9 ++
sound/soc/qcom/Kconfig | 6 +
sound/soc/qcom/Makefile | 2 +
sound/soc/qcom/lpass-apq8016.c | 242 ++++++++++++++++++++++++++++++
sound/soc/qcom/lpass.h | 4 +
5 files changed, 263 insertions(+)
create mode 100644 include/dt-bindings/sound/apq8016-lpass.h
create mode 100644 sound/soc/qcom/lpass-apq8016.c
diff --git a/include/dt-bindings/sound/apq8016-lpass.h b/include/dt-bindings/sound/apq8016-lpass.h
new file mode 100644
index 0000000..499076e
--- /dev/null
+++ b/include/dt-bindings/sound/apq8016-lpass.h
@@ -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 */
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index b30c2ba..29fff6d 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -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
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index f8aab91..ac76308 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -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
diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c
new file mode 100644
index 0000000..94efc01
--- /dev/null
+++ b/sound/soc/qcom/lpass-apq8016.c
@@ -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");
+
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index deecae9..d6e86c1 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -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 */
--
1.9.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* [PATCH v4 2/3] ASoC: qcom: add apq8016 sound card support
2015-05-22 15:52 [PATCH v4 0/3] ASoC: qcom: add support to apq8016 audio Srinivas Kandagatla
2015-05-22 15:53 ` [PATCH v4 1/3] ASoC: qcom: Add apq8016 lpass driver support Srinivas Kandagatla
@ 2015-05-22 15:54 ` Srinivas Kandagatla
2015-06-02 19:55 ` Mark Brown
2015-05-22 15:54 ` [PATCH v4 3/3] ASoC: qcom: fix STORM board Kconfig Srinivas Kandagatla
2 siblings, 1 reply; 10+ messages in thread
From: Srinivas Kandagatla @ 2015-05-22 15:54 UTC (permalink / raw)
To: Patrick Lai, Mark Brown
Cc: Rob Herring, Pawel Moll, Ian Campbell, Kumar Gala,
Banajit Goswami, Kenneth Westfield, Liam Girdwood,
Jaroslav Kysela, Takashi Iwai, devicetree, linux-kernel,
alsa-devel, linux-arm-msm, Srinivas Kandagatla
This patch adds apq8016 machine driver support. This patch was tested on
two apq8016-sbc and msm8916-mtp board for both hdmi and analog audio
features.
Tested-by: Kenneth Westfield <kwestfie@codeaurora.org>
Acked-by: Kenneth Westfield <kwestfie@codeaurora.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
sound/soc/qcom/Kconfig | 9 ++
sound/soc/qcom/Makefile | 2 +
sound/soc/qcom/apq8016_sbc.c | 215 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 226 insertions(+)
create mode 100644 sound/soc/qcom/apq8016_sbc.c
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index 29fff6d..6ecac6c 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -32,3 +32,12 @@ config SND_SOC_STORM
help
Say Y or M if you want add support for SoC audio on the
Qualcomm Technologies IPQ806X-based Storm board.
+
+config SND_SOC_APQ8016_SBC
+ tristate "SoC Audio support for APQ8016 SBC platforms"
+ depends on SND_SOC_QCOM && (ARCH_QCOM || COMPILE_TEST)
+ select SND_SOC_LPASS_APQ8016
+ help
+ Support for Qualcomm Technologies LPASS audio block in
+ APQ8016 SOC-based systems.
+ Say Y if you want to use audio devices on MI2S
diff --git a/sound/soc/qcom/Makefile b/sound/soc/qcom/Makefile
index ac76308..79e5c50 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -11,5 +11,7 @@ obj-$(CONFIG_SND_SOC_LPASS_APQ8016) += snd-soc-lpass-apq8016.o
# Machine
snd-soc-storm-objs := storm.o
+snd-soc-apq8016-sbc-objs := apq8016_sbc.o
obj-$(CONFIG_SND_SOC_STORM) += snd-soc-storm.o
+obj-$(CONFIG_SND_SOC_APQ8016_SBC) += snd-soc-apq8016-sbc.o
diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
new file mode 100644
index 0000000..8958633
--- /dev/null
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -0,0 +1,215 @@
+/*
+ * Copyright (c) 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.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <dt-bindings/sound/apq8016-lpass.h>
+
+struct apq8016_sbc_data {
+ void __iomem *mic_iomux;
+ void __iomem *spkr_iomux;
+ struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
+};
+
+#define MIC_CTRL_QUA_WS_SLAVE_SEL_10 BIT(17)
+#define MIC_CTRL_TLMM_SCLK_EN BIT(1)
+#define SPKR_CTL_PRI_WS_SLAVE_SEL_11 (BIT(17) | BIT(16))
+
+static int apq8016_sbc_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_card *card = rtd->card;
+ struct apq8016_sbc_data *pdata = snd_soc_card_get_drvdata(card);
+
+ if (cpu_dai->id == MI2S_QUATERNARY) {
+ /* Configure the Quat MI2S to TLMM */
+ writel(readl(pdata->mic_iomux) |
+ MIC_CTRL_QUA_WS_SLAVE_SEL_10 |
+ MIC_CTRL_TLMM_SCLK_EN,
+ pdata->mic_iomux);
+
+ return 0;
+ } else if (cpu_dai->id == MI2S_PRIMARY) {
+ writel(readl(pdata->spkr_iomux) |
+ SPKR_CTL_PRI_WS_SLAVE_SEL_11,
+ pdata->spkr_iomux);
+
+ return 0;
+ }
+
+ dev_err(card->dev, "unsupported cpu dai configuration\n");
+
+ return -EINVAL;
+}
+
+static struct snd_soc_ops apq8016_sbc_soc_ops = {
+ .startup = apq8016_sbc_startup,
+};
+
+static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card)
+{
+ int num_links;
+ struct device *dev = card->dev;
+ struct snd_soc_dai_link *dai_link;
+ struct device_node *np, *codec, *cpu, *node = dev->of_node;
+ struct apq8016_sbc_data *data;
+ char *name;
+ int ret;
+
+ /* Populate links */
+ num_links = of_get_child_count(node);
+
+ /* Allocate the private data and the DAI link array */
+ data = devm_kzalloc(dev, sizeof(*data) + sizeof(*dai_link) * num_links,
+ GFP_KERNEL);
+ if (!data)
+ return ERR_PTR(-ENOMEM);
+
+ card->dai_link = &data->dai_link[0];
+ card->num_links = num_links;
+
+ dai_link = data->dai_link;
+
+ for_each_child_of_node(node, np) {
+ cpu = of_get_child_by_name(np, "cpu");
+ codec = of_get_child_by_name(np, "codec");
+
+ if (!cpu || !codec) {
+ dev_err(dev, "Can't find cpu/codec DT node\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ dai_link->cpu_of_node = of_parse_phandle(cpu, "sound-dai", 0);
+ if (!dai_link->cpu_of_node) {
+ dev_err(card->dev, "error getting cpu phandle\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ dai_link->codec_of_node = of_parse_phandle(codec,
+ "sound-dai",
+ 0);
+ if (!dai_link->codec_of_node) {
+ dev_err(card->dev, "error getting codec phandle\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ ret = snd_soc_of_get_dai_name(cpu, &dai_link->cpu_dai_name);
+ if (ret) {
+ dev_err(card->dev, "error getting cpu dai name\n");
+ return ERR_PTR(ret);
+ }
+
+ ret = snd_soc_of_get_dai_name(codec, &dai_link->codec_dai_name);
+ if (ret) {
+ dev_err(card->dev, "error getting codec dai name\n");
+ return ERR_PTR(ret);
+ }
+
+ dai_link->platform_of_node = dai_link->cpu_of_node;
+ /* For now we only support playback */
+ dai_link->playback_only = true;
+
+ if (of_property_read_bool(np, "external"))
+ name = "HDMI";
+
+ else
+ name = "Headset";
+
+ dai_link->ops = &apq8016_sbc_soc_ops;
+ dai_link->name = dai_link->stream_name = name;
+
+ dai_link++;
+ }
+
+ return data;
+}
+
+static int apq8016_sbc_platform_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct snd_soc_card *card;
+ struct apq8016_sbc_data *data;
+ struct resource *res;
+ int ret;
+
+ card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
+
+ card->dev = dev;
+ data = apq8016_sbc_parse_of(card);
+ if (IS_ERR(data)) {
+ dev_err(&pdev->dev, "Error resolving dai links: %ld\n",
+ PTR_ERR(data));
+ return PTR_ERR(data);
+ }
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mic-iomux");
+ data->mic_iomux = devm_ioremap_resource(dev, res);
+ if (IS_ERR(data->mic_iomux))
+ return PTR_ERR(data->mic_iomux);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "spkr-iomux");
+ data->spkr_iomux = devm_ioremap_resource(dev, res);
+ if (IS_ERR(data->spkr_iomux))
+ return PTR_ERR(data->spkr_iomux);
+
+ platform_set_drvdata(pdev, data);
+ snd_soc_card_set_drvdata(card, data);
+
+ ret = snd_soc_of_parse_card_name(card, "qcom,model");
+ if (ret) {
+ dev_err(&pdev->dev, "Error parsing card name: %d\n", ret);
+ return ret;
+ }
+
+ ret = devm_snd_soc_register_card(&pdev->dev, card);
+ if (ret == -EPROBE_DEFER) {
+ card->dev = NULL;
+ return ret;
+ } else if (ret) {
+ dev_err(&pdev->dev, "Error registering soundcard: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id apq8016_sbc_device_id[] = {
+ { .compatible = "qcom,apq8016-sbc-sndcard" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, apq8016_sbc_device_id);
+
+static struct platform_driver apq8016_sbc_platform_driver = {
+ .driver = {
+ .name = "qcom-apq8016-sbc",
+ .of_match_table = of_match_ptr(apq8016_sbc_device_id),
+ },
+ .probe = apq8016_sbc_platform_probe,
+};
+module_platform_driver(apq8016_sbc_platform_driver);
+
+MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");
+MODULE_DESCRIPTION("APQ8016 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");
--
1.9.1
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