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-rw-r--r--sound/soc/qcom/Kconfig26
-rw-r--r--sound/soc/qcom/Makefile6
-rw-r--r--sound/soc/qcom/apq8016_sbc.c198
-rw-r--r--sound/soc/qcom/lpass-apq8016.c242
-rw-r--r--sound/soc/qcom/lpass-cpu.c240
-rw-r--r--sound/soc/qcom/lpass-ipq806x.c109
-rw-r--r--sound/soc/qcom/lpass-lpaif-reg.h (renamed from sound/soc/qcom/lpass-lpaif-ipq806x.h)92
-rw-r--r--sound/soc/qcom/lpass-platform.c202
-rw-r--r--sound/soc/qcom/lpass.h51
-rw-r--r--sound/soc/qcom/storm.c26
10 files changed, 916 insertions, 276 deletions
diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index b07f183fc..807fedfa1 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig
@@ -12,12 +12,32 @@ config SND_SOC_LPASS_PLATFORM
tristate
select REGMAP_MMIO
-config SND_SOC_STORM
- tristate "ASoC I2S support for Storm boards"
- depends on (ARCH_QCOM && SND_SOC_QCOM) || COMPILE_TEST
+config SND_SOC_LPASS_IPQ806X
+ tristate
+ depends on SND_SOC_QCOM
+ 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 SND_SOC_QCOM && (ARCH_QCOM || COMPILE_TEST)
+ select SND_SOC_LPASS_IPQ806X
select SND_SOC_MAX98357A
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 c5ce96c76..79e5c50a8 100644
--- a/sound/soc/qcom/Makefile
+++ b/sound/soc/qcom/Makefile
@@ -1,11 +1,17 @@
# Platform
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
+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 000000000..1efdf0088
--- /dev/null
+++ b/sound/soc/qcom/apq8016_sbc.c
@@ -0,0 +1,198 @@
+/*
+ * 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_dai_init(struct snd_soc_pcm_runtime *rtd)
+{
+ 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);
+ int rval = 0;
+
+ switch (cpu_dai->id) {
+ case MI2S_PRIMARY:
+ writel(readl(pdata->spkr_iomux) | SPKR_CTL_PRI_WS_SLAVE_SEL_11,
+ pdata->spkr_iomux);
+ break;
+
+ case 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);
+ break;
+
+ default:
+ dev_err(card->dev, "unsupported cpu dai configuration\n");
+ rval = -EINVAL;
+ break;
+
+ }
+
+ return rval;
+}
+
+static struct apq8016_sbc_data *apq8016_sbc_parse_of(struct snd_soc_card *card)
+{
+ struct device *dev = card->dev;
+ struct snd_soc_dai_link *link;
+ struct device_node *np, *codec, *cpu, *node = dev->of_node;
+ struct apq8016_sbc_data *data;
+ int ret, num_links;
+
+ ret = snd_soc_of_parse_card_name(card, "qcom,model");
+ if (ret) {
+ dev_err(dev, "Error parsing card name: %d\n", ret);
+ return ERR_PTR(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(*link) * num_links,
+ GFP_KERNEL);
+ if (!data)
+ return ERR_PTR(-ENOMEM);
+
+ card->dai_link = &data->dai_link[0];
+ card->num_links = num_links;
+
+ 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);
+ }
+
+ link->cpu_of_node = of_parse_phandle(cpu, "sound-dai", 0);
+ if (!link->cpu_of_node) {
+ dev_err(card->dev, "error getting cpu phandle\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ link->codec_of_node = of_parse_phandle(codec, "sound-dai", 0);
+ if (!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, &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, &link->codec_dai_name);
+ if (ret) {
+ dev_err(card->dev, "error getting codec dai name\n");
+ return ERR_PTR(ret);
+ }
+
+ link->platform_of_node = link->cpu_of_node;
+ /* For now we only support playback */
+ link->playback_only = true;
+
+ ret = of_property_read_string(np, "link-name", &link->name);
+ if (ret) {
+ dev_err(card->dev, "error getting codec dai_link name\n");
+ return ERR_PTR(ret);
+ }
+
+ link->stream_name = link->name;
+ link->init = apq8016_sbc_dai_init;
+ 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;
+
+ 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);
+
+ return devm_snd_soc_register_card(&pdev->dev, card);
+}
+
+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");
diff --git a/sound/soc/qcom/lpass-apq8016.c b/sound/soc/qcom/lpass-apq8016.c
new file mode 100644
index 000000000..94efc0102
--- /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-cpu.c b/sound/soc/qcom/lpass-cpu.c
index dc790abaa..23f3d59e6 100644
--- a/sound/soc/qcom/lpass-cpu.c
+++ b/sound/soc/qcom/lpass-cpu.c
@@ -14,21 +14,17 @@
*/
#include <linux/clk.h>
-#include <linux/compiler.h>
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/ioport.h>
#include <linux/kernel.h>
-#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
-#include "lpass-lpaif-ipq806x.h"
+#include "lpass-lpaif-reg.h"
#include "lpass.h"
static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
@@ -37,7 +33,10 @@ static int lpass_cpu_daiops_set_sysclk(struct snd_soc_dai *dai, int clk_id,
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
- ret = clk_set_rate(drvdata->mi2s_osr_clk, freq);
+ if (IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
+ return 0;
+
+ ret = clk_set_rate(drvdata->mi2s_osr_clk[dai->driver->id], freq);
if (ret)
dev_err(dai->dev, "%s() error setting mi2s osrclk to %u: %d\n",
__func__, freq, ret);
@@ -51,18 +50,23 @@ static int lpass_cpu_daiops_startup(struct snd_pcm_substream *substream,
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
- ret = clk_prepare_enable(drvdata->mi2s_osr_clk);
- if (ret) {
- dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n",
- __func__, ret);
- return ret;
+ if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id])) {
+ ret = clk_prepare_enable(
+ drvdata->mi2s_osr_clk[dai->driver->id]);
+ if (ret) {
+ dev_err(dai->dev, "%s() error in enabling mi2s osr clk: %d\n",
+ __func__, ret);
+ return ret;
+ }
}
- ret = clk_prepare_enable(drvdata->mi2s_bit_clk);
+ ret = clk_prepare_enable(drvdata->mi2s_bit_clk[dai->driver->id]);
if (ret) {
dev_err(dai->dev, "%s() error in enabling mi2s bit clk: %d\n",
__func__, ret);
- clk_disable_unprepare(drvdata->mi2s_osr_clk);
+ if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
+ clk_disable_unprepare(
+ drvdata->mi2s_osr_clk[dai->driver->id]);
return ret;
}
@@ -74,8 +78,10 @@ static void lpass_cpu_daiops_shutdown(struct snd_pcm_substream *substream,
{
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
- clk_disable_unprepare(drvdata->mi2s_bit_clk);
- clk_disable_unprepare(drvdata->mi2s_osr_clk);
+ clk_disable_unprepare(drvdata->mi2s_bit_clk[dai->driver->id]);
+
+ if (!IS_ERR(drvdata->mi2s_osr_clk[dai->driver->id]))
+ clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]);
}
static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
@@ -142,14 +148,16 @@ static int lpass_cpu_daiops_hw_params(struct snd_pcm_substream *substream,
}
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), regval);
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
+ regval);
if (ret) {
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
return ret;
}
- ret = clk_set_rate(drvdata->mi2s_bit_clk, rate * bitwidth * 2);
+ ret = clk_set_rate(drvdata->mi2s_bit_clk[dai->driver->id],
+ rate * bitwidth * 2);
if (ret) {
dev_err(dai->dev, "%s() error setting mi2s bitclk to %u: %d\n",
__func__, rate * bitwidth * 2, ret);
@@ -166,7 +174,8 @@ static int lpass_cpu_daiops_hw_free(struct snd_pcm_substream *substream,
int ret;
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), 0);
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
+ 0);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
@@ -181,7 +190,7 @@ static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream,
int ret;
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK, LPAIF_I2SCTL_SPKEN_ENABLE);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
@@ -201,7 +210,8 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
+ LPAIF_I2SCTL_REG(drvdata->variant,
+ dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK,
LPAIF_I2SCTL_SPKEN_ENABLE);
if (ret)
@@ -212,7 +222,8 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S),
+ LPAIF_I2SCTL_REG(drvdata->variant,
+ dai->driver->id),
LPAIF_I2SCTL_SPKEN_MASK,
LPAIF_I2SCTL_SPKEN_DISABLE);
if (ret)
@@ -224,7 +235,7 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream,
return ret;
}
-static struct snd_soc_dai_ops lpass_cpu_dai_ops = {
+struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = {
.set_sysclk = lpass_cpu_daiops_set_sysclk,
.startup = lpass_cpu_daiops_startup,
.shutdown = lpass_cpu_daiops_shutdown,
@@ -233,41 +244,23 @@ static struct snd_soc_dai_ops lpass_cpu_dai_ops = {
.prepare = lpass_cpu_daiops_prepare,
.trigger = lpass_cpu_daiops_trigger,
};
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops);
-static int lpass_cpu_dai_probe(struct snd_soc_dai *dai)
+int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai)
{
struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai);
int ret;
/* ensure audio hardware is disabled */
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_I2SCTL_REG(LPAIF_I2S_PORT_MI2S), 0);
+ LPAIF_I2SCTL_REG(drvdata->variant, dai->driver->id), 0);
if (ret)
dev_err(dai->dev, "%s() error writing to i2sctl reg: %d\n",
__func__, ret);
return ret;
}
-
-static struct snd_soc_dai_driver lpass_cpu_dai_driver = {
- .playback = {
- .stream_name = "lpass-cpu-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 = &lpass_cpu_dai_probe,
- .ops = &lpass_cpu_dai_ops,
-};
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_probe);
static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
.name = "lpass-cpu",
@@ -275,27 +268,29 @@ static const struct snd_soc_component_driver lpass_cpu_comp_driver = {
static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
int i;
- for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
- if (reg == LPAIF_I2SCTL_REG(i))
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
- for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
- if (reg == LPAIF_IRQEN_REG(i))
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQEN_REG(v, i))
return true;
- if (reg == LPAIF_IRQCLEAR_REG(i))
+ if (reg == LPAIF_IRQCLEAR_REG(v, i))
return true;
}
- for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
- if (reg == LPAIF_RDMACTL_REG(i))
+ for (i = 0; i < v->rdma_channels; ++i) {
+ if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
- if (reg == LPAIF_RDMABASE_REG(i))
+ if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
- if (reg == LPAIF_RDMABUFF_REG(i))
+ if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
- if (reg == LPAIF_RDMAPER_REG(i))
+ if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
@@ -304,29 +299,31 @@ static bool lpass_cpu_regmap_writeable(struct device *dev, unsigned int reg)
static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
int i;
- for (i = 0; i < LPAIF_I2S_PORT_NUM; ++i)
- if (reg == LPAIF_I2SCTL_REG(i))
+ for (i = 0; i < v->i2s_ports; ++i)
+ if (reg == LPAIF_I2SCTL_REG(v, i))
return true;
- for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i) {
- if (reg == LPAIF_IRQEN_REG(i))
+ for (i = 0; i < v->irq_ports; ++i) {
+ if (reg == LPAIF_IRQEN_REG(v, i))
return true;
- if (reg == LPAIF_IRQSTAT_REG(i))
+ if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
}
- for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i) {
- if (reg == LPAIF_RDMACTL_REG(i))
+ for (i = 0; i < v->rdma_channels; ++i) {
+ if (reg == LPAIF_RDMACTL_REG(v, i))
return true;
- if (reg == LPAIF_RDMABASE_REG(i))
+ if (reg == LPAIF_RDMABASE_REG(v, i))
return true;
- if (reg == LPAIF_RDMABUFF_REG(i))
+ if (reg == LPAIF_RDMABUFF_REG(v, i))
return true;
- if (reg == LPAIF_RDMACURR_REG(i))
+ if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
- if (reg == LPAIF_RDMAPER_REG(i))
+ if (reg == LPAIF_RDMAPER_REG(v, i))
return true;
}
@@ -335,36 +332,41 @@ static bool lpass_cpu_regmap_readable(struct device *dev, unsigned int reg)
static bool lpass_cpu_regmap_volatile(struct device *dev, unsigned int reg)
{
+ struct lpass_data *drvdata = dev_get_drvdata(dev);
+ struct lpass_variant *v = drvdata->variant;
int i;
- for (i = 0; i < LPAIF_IRQ_PORT_NUM; ++i)
- if (reg == LPAIF_IRQSTAT_REG(i))
+ for (i = 0; i < v->irq_ports; ++i)
+ if (reg == LPAIF_IRQSTAT_REG(v, i))
return true;
- for (i = 0; i < LPAIF_RDMA_CHAN_NUM; ++i)
- if (reg == LPAIF_RDMACURR_REG(i))
+ for (i = 0; i < v->rdma_channels; ++i)
+ if (reg == LPAIF_RDMACURR_REG(v, i))
return true;
return false;
}
-static const struct regmap_config lpass_cpu_regmap_config = {
+static struct regmap_config lpass_cpu_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
- .max_register = LPAIF_RDMAPER_REG(LPAIF_RDMA_CHAN_MAX),
.writeable_reg = lpass_cpu_regmap_writeable,
.readable_reg = lpass_cpu_regmap_readable,
.volatile_reg = lpass_cpu_regmap_volatile,
.cache_type = REGCACHE_FLAT,
};
-static int lpass_cpu_platform_probe(struct platform_device *pdev)
+int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev)
{
struct lpass_data *drvdata;
struct device_node *dsp_of_node;
struct resource *res;
- int ret;
+ struct lpass_variant *variant;
+ struct device *dev = &pdev->dev;
+ const struct of_device_id *match;
+ char clk_name[16];
+ int ret, i, dai_id;
dsp_of_node = of_parse_phandle(pdev->dev.of_node, "qcom,adsp", 0);
if (dsp_of_node) {
@@ -379,11 +381,14 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
return -ENOMEM;
platform_set_drvdata(pdev, drvdata);
+ match = of_match_device(dev->driver->of_match_table, dev);
+ if (!match || !match->data)
+ return -EINVAL;
+
+ drvdata->variant = (struct lpass_variant *)match->data;
+ variant = drvdata->variant;
+
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "lpass-lpaif");
- if (!res) {
- dev_err(&pdev->dev, "%s() error getting resource\n", __func__);
- return -ENODEV;
- }
drvdata->lpaif = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR((void const __force *)drvdata->lpaif)) {
@@ -393,6 +398,9 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
return PTR_ERR((void const __force *)drvdata->lpaif);
}
+ lpass_cpu_regmap_config.max_register = LPAIF_RDMAPER_REG(variant,
+ variant->rdma_channels);
+
drvdata->lpaif_map = devm_regmap_init_mmio(&pdev->dev, drvdata->lpaif,
&lpass_cpu_regmap_config);
if (IS_ERR(drvdata->lpaif_map)) {
@@ -401,18 +409,38 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
return PTR_ERR(drvdata->lpaif_map);
}
- drvdata->mi2s_osr_clk = devm_clk_get(&pdev->dev, "mi2s-osr-clk");
- if (IS_ERR(drvdata->mi2s_osr_clk)) {
- dev_err(&pdev->dev, "%s() error getting mi2s-osr-clk: %ld\n",
- __func__, PTR_ERR(drvdata->mi2s_osr_clk));
- return PTR_ERR(drvdata->mi2s_osr_clk);
- }
-
- drvdata->mi2s_bit_clk = devm_clk_get(&pdev->dev, "mi2s-bit-clk");
- if (IS_ERR(drvdata->mi2s_bit_clk)) {
- dev_err(&pdev->dev, "%s() error getting mi2s-bit-clk: %ld\n",
- __func__, PTR_ERR(drvdata->mi2s_bit_clk));
- return PTR_ERR(drvdata->mi2s_bit_clk);
+ if (variant->init)
+ variant->init(pdev);
+
+ for (i = 0; i < variant->num_dai; i++) {
+ dai_id = variant->dai_driver[i].id;
+ if (variant->num_dai > 1)
+ sprintf(clk_name, "mi2s-osr-clk%d", i);
+ else
+ sprintf(clk_name, "mi2s-osr-clk");
+
+ drvdata->mi2s_osr_clk[dai_id] = devm_clk_get(&pdev->dev,
+ clk_name);
+ if (IS_ERR(drvdata->mi2s_osr_clk[dai_id])) {
+ dev_warn(&pdev->dev,
+ "%s() error getting mi2s-osr-clk: %ld\n",
+ __func__,
+ PTR_ERR(drvdata->mi2s_osr_clk[dai_id]));
+ }
+
+ if (variant->num_dai > 1)
+ sprintf(clk_name, "mi2s-bit-clk%d", i);
+ else
+ sprintf(clk_name, "mi2s-bit-clk");
+
+ drvdata->mi2s_bit_clk[dai_id] = devm_clk_get(&pdev->dev,
+ clk_name);
+ if (IS_ERR(drvdata->mi2s_bit_clk[dai_id])) {
+ dev_err(&pdev->dev,
+ "%s() error getting mi2s-bit-clk: %ld\n",
+ __func__, PTR_ERR(drvdata->mi2s_bit_clk[i]));
+ return PTR_ERR(drvdata->mi2s_bit_clk[dai_id]);
+ }
}
drvdata->ahbix_clk = devm_clk_get(&pdev->dev, "ahbix-clk");
@@ -439,7 +467,9 @@ static int lpass_cpu_platform_probe(struct platform_device *pdev)
}
ret = devm_snd_soc_register_component(&pdev->dev,
- &lpass_cpu_comp_driver, &lpass_cpu_dai_driver, 1);
+ &lpass_cpu_comp_driver,
+ variant->dai_driver,
+ variant->num_dai);
if (ret) {
dev_err(&pdev->dev, "%s() error registering cpu driver: %d\n",
__func__, ret);
@@ -459,33 +489,17 @@ err_clk:
clk_disable_unprepare(drvdata->ahbix_clk);
return ret;
}
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_probe);
-static int lpass_cpu_platform_remove(struct platform_device *pdev)
+int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
+ if (drvdata->variant->exit)
+ drvdata->variant->exit(pdev);
+
clk_disable_unprepare(drvdata->ahbix_clk);
return 0;
}
-
-#ifdef CONFIG_OF
-static const struct of_device_id lpass_cpu_device_id[] = {
- { .compatible = "qcom,lpass-cpu" },
- {}
-};
-MODULE_DEVICE_TABLE(of, lpass_cpu_device_id);
-#endif
-
-static struct platform_driver lpass_cpu_platform_driver = {
- .driver = {
- .name = "lpass-cpu",
- .of_match_table = of_match_ptr(lpass_cpu_device_id),
- },
- .probe = lpass_cpu_platform_probe,
- .remove = lpass_cpu_platform_remove,
-};
-module_platform_driver(lpass_cpu_platform_driver);
-
-MODULE_DESCRIPTION("QTi LPASS CPU Driver");
-MODULE_LICENSE("GPL v2");
+EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove);
diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c
new file mode 100644
index 000000000..7356d3a76
--- /dev/null
+++ b/sound/soc/qcom/lpass-ipq806x.c
@@ -0,0 +1,109 @@
+/*
+ * 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-ipq806x.c -- ALSA SoC CPU DAI driver for QTi LPASS
+ * Splited out the IPQ8064 soc specific from lpass-cpu.c
+ */
+
+#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/soc.h>
+#include <sound/soc-dai.h>
+
+#include "lpass-lpaif-reg.h"
+#include "lpass.h"
+
+enum lpaif_i2s_ports {
+ IPQ806X_LPAIF_I2S_PORT_CODEC_SPK,
+ IPQ806X_LPAIF_I2S_PORT_CODEC_MIC,
+ IPQ806X_LPAIF_I2S_PORT_SEC_SPK,
+ IPQ806X_LPAIF_I2S_PORT_SEC_MIC,
+ IPQ806X_LPAIF_I2S_PORT_MI2S,
+};
+
+enum lpaif_dma_channels {
+ IPQ806X_LPAIF_RDMA_CHAN_MI2S,
+ IPQ806X_LPAIF_RDMA_CHAN_PCM0,
+ IPQ806X_LPAIF_RDMA_CHAN_PCM1,
+};
+
+static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = {
+ .id = IPQ806X_LPAIF_I2S_PORT_MI2S,
+ .playback = {
+ .stream_name = "lpass-cpu-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,
+};
+
+static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata)
+{
+ return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
+}
+
+static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan)
+{
+ return 0;
+}
+
+struct lpass_variant ipq806x_data = {
+ .i2sctrl_reg_base = 0x0010,
+ .i2sctrl_reg_stride = 0x04,
+ .i2s_ports = 5,
+ .irq_reg_base = 0x3000,
+ .irq_reg_stride = 0x1000,
+ .irq_ports = 3,
+ .rdma_reg_base = 0x6000,
+ .rdma_reg_stride = 0x1000,
+ .rdma_channels = 4,
+ .dai_driver = &ipq806x_lpass_cpu_dai_driver,
+ .num_dai = 1,
+ .alloc_dma_channel = ipq806x_lpass_alloc_dma_channel,
+ .free_dma_channel = ipq806x_lpass_free_dma_channel,
+};
+
+static const struct of_device_id ipq806x_lpass_cpu_device_id[] = {
+ { .compatible = "qcom,lpass-cpu", .data = &ipq806x_data },
+ {}
+};
+MODULE_DEVICE_TABLE(of, ipq806x_lpass_cpu_device_id);
+
+static struct platform_driver ipq806x_lpass_cpu_platform_driver = {
+ .driver = {
+ .name = "lpass-cpu",
+ .of_match_table = of_match_ptr(ipq806x_lpass_cpu_device_id),
+ },
+ .probe = asoc_qcom_lpass_cpu_platform_probe,
+ .remove = asoc_qcom_lpass_cpu_platform_remove,
+};
+module_platform_driver(ipq806x_lpass_cpu_platform_driver);
+
+MODULE_DESCRIPTION("QTi LPASS CPU Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/qcom/lpass-lpaif-ipq806x.h b/sound/soc/qcom/lpass-lpaif-reg.h
index dc423b888..95e22f131 100644
--- a/sound/soc/qcom/lpass-lpaif-ipq806x.h
+++ b/sound/soc/qcom/lpass-lpaif-reg.h
@@ -9,37 +9,17 @@
* 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-lpaif-ipq806x.h -- Definitions for the QTi LPAIF in the ipq806x LPASS
*/
-#ifndef __LPASS_LPAIF_H__
-#define __LPASS_LPAIF_H__
-
-#define LPAIF_BANK_OFFSET 0x1000
+#ifndef __LPASS_LPAIF_REG_H__
+#define __LPASS_LPAIF_REG_H__
/* LPAIF I2S */
-#define LPAIF_I2SCTL_REG_BASE 0x0010
-#define LPAIF_I2SCTL_REG_STRIDE 0x4
-#define LPAIF_I2SCTL_REG_ADDR(addr, port) \
- (LPAIF_I2SCTL_REG_BASE + (addr) + (LPAIF_I2SCTL_REG_STRIDE * (port)))
-
-enum lpaif_i2s_ports {
- LPAIF_I2S_PORT_MIN = 0,
-
- LPAIF_I2S_PORT_CODEC_SPK = 0,
- LPAIF_I2S_PORT_CODEC_MIC = 1,
- LPAIF_I2S_PORT_SEC_SPK = 2,
- LPAIF_I2S_PORT_SEC_MIC = 3,
- LPAIF_I2S_PORT_MI2S = 4,
-
- LPAIF_I2S_PORT_MAX = 4,
- LPAIF_I2S_PORT_NUM = 5,
-};
-
-#define LPAIF_I2SCTL_REG(port) LPAIF_I2SCTL_REG_ADDR(0x0, (port))
+#define LPAIF_I2SCTL_REG_ADDR(v, addr, port) \
+ (v->i2sctrl_reg_base + (addr) + v->i2sctrl_reg_stride * (port))
+#define LPAIF_I2SCTL_REG(v, port) LPAIF_I2SCTL_REG_ADDR(v, 0x0, (port))
#define LPAIF_I2SCTL_LOOPBACK_MASK 0x8000
#define LPAIF_I2SCTL_LOOPBACK_SHIFT 15
#define LPAIF_I2SCTL_LOOPBACK_DISABLE (0 << LPAIF_I2SCTL_LOOPBACK_SHIFT)
@@ -79,55 +59,36 @@ enum lpaif_i2s_ports {
#define LPAIF_I2SCTL_BITWIDTH_32 (2 << LPAIF_I2SCTL_BITWIDTH_SHIFT)
/* LPAIF IRQ */
+#define LPAIF_IRQ_REG_ADDR(v, addr, port) \
+ (v->irq_reg_base + (addr) + v->irq_reg_stride * (port))
-#define LPAIF_IRQ_REG_BASE 0x3000
-#define LPAIF_IRQ_REG_STRIDE 0x1000
-#define LPAIF_IRQ_REG_ADDR(addr, port) \
- (LPAIF_IRQ_REG_BASE + (addr) + (LPAIF_IRQ_REG_STRIDE * (port)))
-
-enum lpaif_irq_ports {
- LPAIF_IRQ_PORT_MIN = 0,
+#define LPAIF_IRQ_PORT_HOST 0
- LPAIF_IRQ_PORT_HOST = 0,
- LPAIF_IRQ_PORT_ADSP = 1,
-
- LPAIF_IRQ_PORT_MAX = 2,
- LPAIF_IRQ_PORT_NUM = 3,
-};
-
-#define LPAIF_IRQEN_REG(port) LPAIF_IRQ_REG_ADDR(0x0, (port))
-#define LPAIF_IRQSTAT_REG(port) LPAIF_IRQ_REG_ADDR(0x4, (port))
-#define LPAIF_IRQCLEAR_REG(port) LPAIF_IRQ_REG_ADDR(0xC, (port))
+#define LPAIF_IRQEN_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0x0, (port))
+#define LPAIF_IRQSTAT_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0x4, (port))
+#define LPAIF_IRQCLEAR_REG(v, port) LPAIF_IRQ_REG_ADDR(v, 0xC, (port))
#define LPAIF_IRQ_BITSTRIDE 3
+
#define LPAIF_IRQ_PER(chan) (1 << (LPAIF_IRQ_BITSTRIDE * (chan)))
#define LPAIF_IRQ_XRUN(chan) (2 << (LPAIF_IRQ_BITSTRIDE * (chan)))
#define LPAIF_IRQ_ERR(chan) (4 << (LPAIF_IRQ_BITSTRIDE * (chan)))
+
#define LPAIF_IRQ_ALL(chan) (7 << (LPAIF_IRQ_BITSTRIDE * (chan)))
/* LPAIF DMA */
-#define LPAIF_RDMA_REG_BASE 0x6000
-#define LPAIF_RDMA_REG_STRIDE 0x1000
-#define LPAIF_RDMA_REG_ADDR(addr, chan) \
- (LPAIF_RDMA_REG_BASE + (addr) + (LPAIF_RDMA_REG_STRIDE * (chan)))
-
-enum lpaif_dma_channels {
- LPAIF_RDMA_CHAN_MIN = 0,
-
- LPAIF_RDMA_CHAN_MI2S = 0,
- LPAIF_RDMA_CHAN_PCM0 = 1,
- LPAIF_RDMA_CHAN_PCM1 = 2,
+#define LPAIF_RDMA_REG_ADDR(v, addr, chan) \
+ (v->rdma_reg_base + (addr) + v->rdma_reg_stride * (chan))
- LPAIF_RDMA_CHAN_MAX = 4,
- LPAIF_RDMA_CHAN_NUM = 5,
-};
+#define LPAIF_RDMACTL_AUDINTF(id) (id << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_REG(chan) LPAIF_RDMA_REG_ADDR(0x00, (chan))
-#define LPAIF_RDMABASE_REG(chan) LPAIF_RDMA_REG_ADDR(0x04, (chan))
-#define LPAIF_RDMABUFF_REG(chan) LPAIF_RDMA_REG_ADDR(0x08, (chan))
-#define LPAIF_RDMACURR_REG(chan) LPAIF_RDMA_REG_ADDR(0x0C, (chan))
-#define LPAIF_RDMAPER_REG(chan) LPAIF_RDMA_REG_ADDR(0x10, (chan))
+#define LPAIF_RDMACTL_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x00, (chan))
+#define LPAIF_RDMABASE_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x04, (chan))
+#define LPAIF_RDMABUFF_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x08, (chan))
+#define LPAIF_RDMACURR_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x0C, (chan))
+#define LPAIF_RDMAPER_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x10, (chan))
+#define LPAIF_RDMAPERCNT_REG(v, chan) LPAIF_RDMA_REG_ADDR(v, 0x14, (chan))
#define LPAIF_RDMACTL_BURSTEN_MASK 0x800
#define LPAIF_RDMACTL_BURSTEN_SHIFT 11
@@ -145,13 +106,6 @@ enum lpaif_dma_channels {
#define LPAIF_RDMACTL_AUDINTF_MASK 0x0F0
#define LPAIF_RDMACTL_AUDINTF_SHIFT 4
-#define LPAIF_RDMACTL_AUDINTF_NONE (0 << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_AUDINTF_CODEC (1 << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_AUDINTF_PCM (2 << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_AUDINTF_SEC_I2S (3 << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_AUDINTF_MI2S (4 << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_AUDINTF_HDMI (5 << LPAIF_RDMACTL_AUDINTF_SHIFT)
-#define LPAIF_RDMACTL_AUDINTF_SEC_PCM (7 << LPAIF_RDMACTL_AUDINTF_SHIFT)
#define LPAIF_RDMACTL_FIFOWM_MASK 0x00E
#define LPAIF_RDMACTL_FIFOWM_SHIFT 1
@@ -169,4 +123,4 @@ enum lpaif_dma_channels {
#define LPAIF_RDMACTL_ENABLE_OFF (0 << LPAIF_RDMACTL_ENABLE_SHIFT)
#define LPAIF_RDMACTL_ENABLE_ON (1 << LPAIF_RDMACTL_ENABLE_SHIFT)
-#endif /* __LPASS_LPAIF_H__ */
+#endif /* __LPASS_LPAIF_REG_H__ */
diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 2fa6280df..79688aa19 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -13,23 +13,22 @@
* lpass-platform.c -- ALSA SoC platform driver for QTi LPASS
*/
-#include <linux/compiler.h>
-#include <linux/device.h>
#include <linux/dma-mapping.h>
-#include <linux/err.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/io.h>
#include <linux/platform_device.h>
-#include <sound/memalloc.h>
-#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/regmap.h>
#include <sound/soc.h>
-#include "lpass-lpaif-ipq806x.h"
+#include "lpass-lpaif-reg.h"
#include "lpass.h"
+struct lpass_pcm_data {
+ int rdma_ch;
+ int i2s_port;
+};
+
#define LPASS_PLATFORM_BUFFER_SIZE (16 * 1024)
#define LPASS_PLATFORM_PERIODS 2
@@ -84,13 +83,15 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_variant *v = drvdata->variant;
snd_pcm_format_t format = params_format(params);
unsigned int channels = params_channels(params);
unsigned int regval;
int bitwidth;
- int ret;
+ int ret, rdma_port = pcm_data->i2s_port + v->rdmactl_audif_start;
bitwidth = snd_pcm_format_width(format);
if (bitwidth < 0) {
@@ -100,7 +101,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
}
regval = LPAIF_RDMACTL_BURSTEN_INCR4 |
- LPAIF_RDMACTL_AUDINTF_MI2S |
+ LPAIF_RDMACTL_AUDINTF(rdma_port) |
LPAIF_RDMACTL_FIFOWM_8;
switch (bitwidth) {
@@ -156,7 +157,7 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
}
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S), regval);
+ LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch), regval);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
__func__, ret);
@@ -169,12 +170,14 @@ static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream,
static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_variant *v = drvdata->variant;
int ret;
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S), 0);
+ LPAIF_RDMACTL_REG(v, pcm_data->rdma_ch), 0);
if (ret)
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
__func__, ret);
@@ -186,12 +189,14 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
- int ret;
+ struct lpass_variant *v = drvdata->variant;
+ int ret, ch = pcm_data->rdma_ch;
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_RDMABASE_REG(LPAIF_RDMA_CHAN_MI2S),
+ LPAIF_RDMABASE_REG(v, ch),
runtime->dma_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmabase reg: %d\n",
@@ -200,7 +205,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
}
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_RDMABUFF_REG(LPAIF_RDMA_CHAN_MI2S),
+ LPAIF_RDMABUFF_REG(v, ch),
(snd_pcm_lib_buffer_bytes(substream) >> 2) - 1);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmabuff reg: %d\n",
@@ -209,7 +214,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
}
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_RDMAPER_REG(LPAIF_RDMA_CHAN_MI2S),
+ LPAIF_RDMAPER_REG(v, ch),
(snd_pcm_lib_period_bytes(substream) >> 2) - 1);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmaper reg: %d\n",
@@ -218,7 +223,7 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream)
}
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S),
+ LPAIF_RDMACTL_REG(v, ch),
LPAIF_RDMACTL_ENABLE_MASK, LPAIF_RDMACTL_ENABLE_ON);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
@@ -233,9 +238,11 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
- int ret;
+ struct lpass_variant *v = drvdata->variant;
+ int ret, ch = pcm_data->rdma_ch;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
@@ -243,8 +250,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/* clear status before enabling interrupts */
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
- LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S));
+ LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
+ LPAIF_IRQ_ALL(ch));
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, ret);
@@ -252,9 +259,9 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
}
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_IRQEN_REG(LPAIF_IRQ_PORT_HOST),
- LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S),
- LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S));
+ LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST),
+ LPAIF_IRQ_ALL(ch),
+ LPAIF_IRQ_ALL(ch));
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqen reg: %d\n",
__func__, ret);
@@ -262,7 +269,7 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
}
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S),
+ LPAIF_RDMACTL_REG(v, ch),
LPAIF_RDMACTL_ENABLE_MASK,
LPAIF_RDMACTL_ENABLE_ON);
if (ret) {
@@ -275,7 +282,7 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S),
+ LPAIF_RDMACTL_REG(v, ch),
LPAIF_RDMACTL_ENABLE_MASK,
LPAIF_RDMACTL_ENABLE_OFF);
if (ret) {
@@ -285,8 +292,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream,
}
ret = regmap_update_bits(drvdata->lpaif_map,
- LPAIF_IRQEN_REG(LPAIF_IRQ_PORT_HOST),
- LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S), 0);
+ LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST),
+ LPAIF_IRQ_ALL(ch), 0);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to irqen reg: %d\n",
__func__, ret);
@@ -302,13 +309,15 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime);
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_variant *v = drvdata->variant;
unsigned int base_addr, curr_addr;
- int ret;
+ int ret, ch = pcm_data->rdma_ch;
ret = regmap_read(drvdata->lpaif_map,
- LPAIF_RDMABASE_REG(LPAIF_RDMA_CHAN_MI2S), &base_addr);
+ LPAIF_RDMABASE_REG(v, ch), &base_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error reading from rdmabase reg: %d\n",
__func__, ret);
@@ -316,7 +325,7 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer(
}
ret = regmap_read(drvdata->lpaif_map,
- LPAIF_RDMACURR_REG(LPAIF_RDMA_CHAN_MI2S), &curr_addr);
+ LPAIF_RDMACURR_REG(v, ch), &curr_addr);
if (ret) {
dev_err(soc_runtime->dev, "%s() error reading from rdmacurr reg: %d\n",
__func__, ret);
@@ -347,29 +356,20 @@ static struct snd_pcm_ops lpass_platform_pcm_ops = {
.mmap = lpass_platform_pcmops_mmap,
};
-static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
+static irqreturn_t lpass_dma_interrupt_handler(
+ struct snd_pcm_substream *substream,
+ struct lpass_data *drvdata,
+ int chan, u32 interrupts)
{
- struct snd_pcm_substream *substream = data;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
- struct lpass_data *drvdata =
- snd_soc_platform_get_drvdata(soc_runtime->platform);
- unsigned int interrupts;
+ struct lpass_variant *v = drvdata->variant;
irqreturn_t ret = IRQ_NONE;
int rv;
- rv = regmap_read(drvdata->lpaif_map,
- LPAIF_IRQSTAT_REG(LPAIF_IRQ_PORT_HOST), &interrupts);
- if (rv) {
- dev_err(soc_runtime->dev, "%s() error reading from irqstat reg: %d\n",
- __func__, rv);
- return IRQ_NONE;
- }
- interrupts &= LPAIF_IRQ_ALL(LPAIF_RDMA_CHAN_MI2S);
-
- if (interrupts & LPAIF_IRQ_PER(LPAIF_RDMA_CHAN_MI2S)) {
+ if (interrupts & LPAIF_IRQ_PER(chan)) {
rv = regmap_write(drvdata->lpaif_map,
- LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
- LPAIF_IRQ_PER(LPAIF_RDMA_CHAN_MI2S));
+ LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
+ LPAIF_IRQ_PER(chan));
if (rv) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, rv);
@@ -379,10 +379,10 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
ret = IRQ_HANDLED;
}
- if (interrupts & LPAIF_IRQ_XRUN(LPAIF_RDMA_CHAN_MI2S)) {
+ if (interrupts & LPAIF_IRQ_XRUN(chan)) {
rv = regmap_write(drvdata->lpaif_map,
- LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
- LPAIF_IRQ_XRUN(LPAIF_RDMA_CHAN_MI2S));
+ LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
+ LPAIF_IRQ_XRUN(chan));
if (rv) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, rv);
@@ -393,10 +393,10 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
ret = IRQ_HANDLED;
}
- if (interrupts & LPAIF_IRQ_ERR(LPAIF_RDMA_CHAN_MI2S)) {
+ if (interrupts & LPAIF_IRQ_ERR(chan)) {
rv = regmap_write(drvdata->lpaif_map,
- LPAIF_IRQCLEAR_REG(LPAIF_IRQ_PORT_HOST),
- LPAIF_IRQ_ERR(LPAIF_RDMA_CHAN_MI2S));
+ LPAIF_IRQCLEAR_REG(v, LPAIF_IRQ_PORT_HOST),
+ LPAIF_IRQ_ERR(chan));
if (rv) {
dev_err(soc_runtime->dev, "%s() error writing to irqclear reg: %d\n",
__func__, rv);
@@ -410,6 +410,35 @@ static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
return ret;
}
+static irqreturn_t lpass_platform_lpaif_irq(int irq, void *data)
+{
+ struct lpass_data *drvdata = data;
+ struct lpass_variant *v = drvdata->variant;
+ unsigned int irqs;
+ int rv, chan;
+
+ rv = regmap_read(drvdata->lpaif_map,
+ LPAIF_IRQSTAT_REG(v, LPAIF_IRQ_PORT_HOST), &irqs);
+ if (rv) {
+ pr_err("%s() error reading from irqstat reg: %d\n",
+ __func__, rv);
+ return IRQ_NONE;
+ }
+
+ /* Handle per channel interrupts */
+ for (chan = 0; chan < LPASS_MAX_DMA_CHANNELS; chan++) {
+ if (irqs & LPAIF_IRQ_ALL(chan) && drvdata->substream[chan]) {
+ rv = lpass_dma_interrupt_handler(
+ drvdata->substream[chan],
+ drvdata, chan, irqs);
+ if (rv != IRQ_HANDLED)
+ return rv;
+ }
+ }
+
+ return IRQ_HANDLED;
+}
+
static int lpass_platform_alloc_buffer(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *soc_runtime)
{
@@ -448,9 +477,27 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
struct snd_pcm *pcm = soc_runtime->pcm;
struct snd_pcm_substream *substream =
pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
+ struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
struct lpass_data *drvdata =
snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_variant *v = drvdata->variant;
int ret;
+ struct lpass_pcm_data *data;
+
+ data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ if (v->alloc_dma_channel)
+ data->rdma_ch = v->alloc_dma_channel(drvdata);
+
+ if (IS_ERR_VALUE(data->rdma_ch))
+ return data->rdma_ch;
+
+ drvdata->substream[data->rdma_ch] = substream;
+ data->i2s_port = cpu_dai->driver->id;
+
+ snd_soc_pcm_set_drvdata(soc_runtime, data);
soc_runtime->dev->coherent_dma_mask = DMA_BIT_MASK(32);
soc_runtime->dev->dma_mask = &soc_runtime->dev->coherent_dma_mask;
@@ -459,29 +506,12 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime)
if (ret)
return ret;
- ret = devm_request_irq(soc_runtime->dev, drvdata->lpaif_irq,
- lpass_platform_lpaif_irq, IRQF_TRIGGER_RISING,
- "lpass-irq-lpaif", substream);
- if (ret) {
- dev_err(soc_runtime->dev, "%s() irq request failed: %d\n",
- __func__, ret);
- goto err_buf;
- }
-
- /* ensure audio hardware is disabled */
ret = regmap_write(drvdata->lpaif_map,
- LPAIF_IRQEN_REG(LPAIF_IRQ_PORT_HOST), 0);
- if (ret) {
- dev_err(soc_runtime->dev, "%s() error writing to irqen reg: %d\n",
- __func__, ret);
- return ret;
- }
- ret = regmap_write(drvdata->lpaif_map,
- LPAIF_RDMACTL_REG(LPAIF_RDMA_CHAN_MI2S), 0);
+ LPAIF_RDMACTL_REG(v, data->rdma_ch), 0);
if (ret) {
dev_err(soc_runtime->dev, "%s() error writing to rdmactl reg: %d\n",
__func__, ret);
- return ret;
+ goto err_buf;
}
return 0;
@@ -496,6 +526,15 @@ static void lpass_platform_pcm_free(struct snd_pcm *pcm)
struct snd_pcm_substream *substream =
pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
struct snd_soc_pcm_runtime *soc_runtime = substream->private_data;
+ struct lpass_data *drvdata =
+ snd_soc_platform_get_drvdata(soc_runtime->platform);
+ struct lpass_pcm_data *data = snd_soc_pcm_get_drvdata(soc_runtime);
+ struct lpass_variant *v = drvdata->variant;
+
+ drvdata->substream[data->rdma_ch] = NULL;
+
+ if (v->free_dma_channel)
+ v->free_dma_channel(drvdata, data->rdma_ch);
lpass_platform_free_buffer(substream, soc_runtime);
}
@@ -509,6 +548,8 @@ static struct snd_soc_platform_driver lpass_platform_driver = {
int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
{
struct lpass_data *drvdata = platform_get_drvdata(pdev);
+ struct lpass_variant *v = drvdata->variant;
+ int ret;
drvdata->lpaif_irq = platform_get_irq_byname(pdev, "lpass-irq-lpaif");
if (drvdata->lpaif_irq < 0) {
@@ -517,6 +558,25 @@ int asoc_qcom_lpass_platform_register(struct platform_device *pdev)
return -ENODEV;
}
+ /* ensure audio hardware is disabled */
+ ret = regmap_write(drvdata->lpaif_map,
+ LPAIF_IRQEN_REG(v, LPAIF_IRQ_PORT_HOST), 0);
+ if (ret) {
+ dev_err(&pdev->dev, "%s() error writing to irqen reg: %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+ ret = devm_request_irq(&pdev->dev, drvdata->lpaif_irq,
+ lpass_platform_lpaif_irq, IRQF_TRIGGER_RISING,
+ "lpass-irq-lpaif", drvdata);
+ if (ret) {
+ dev_err(&pdev->dev, "%s() irq request failed: %d\n",
+ __func__, ret);
+ return ret;
+ }
+
+
return devm_snd_soc_register_platform(&pdev->dev,
&lpass_platform_driver);
}
diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h
index 5c99b3dac..d6e86c119 100644
--- a/sound/soc/qcom/lpass.h
+++ b/sound/soc/qcom/lpass.h
@@ -22,6 +22,8 @@
#include <linux/regmap.h>
#define LPASS_AHBIX_CLOCK_FREQUENCY 131072000
+#define LPASS_MAX_MI2S_PORTS (8)
+#define LPASS_MAX_DMA_CHANNELS (8)
/* Both the CPU DAI and platform drivers will access this data */
struct lpass_data {
@@ -30,10 +32,10 @@ struct lpass_data {
struct clk *ahbix_clk;
/* MI2S system clock */
- struct clk *mi2s_osr_clk;
+ struct clk *mi2s_osr_clk[LPASS_MAX_MI2S_PORTS];
/* MI2S bit clock (derived from system clock by a divider */
- struct clk *mi2s_bit_clk;
+ struct clk *mi2s_bit_clk[LPASS_MAX_MI2S_PORTS];
/* low-power audio interface (LPAIF) registers */
void __iomem *lpaif;
@@ -43,9 +45,54 @@ struct lpass_data {
/* interrupts from the low-power audio interface (LPAIF) */
int lpaif_irq;
+
+ /* SOC specific variations in the LPASS IP integration */
+ struct lpass_variant *variant;
+
+ /* bit map to keep track of static channel allocations */
+ unsigned long rdma_ch_bit_map;
+
+ /* 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 */
+struct lpass_variant {
+ u32 i2sctrl_reg_base;
+ u32 i2sctrl_reg_stride;
+ u32 i2s_ports;
+ u32 irq_reg_base;
+ u32 irq_reg_stride;
+ u32 irq_ports;
+ u32 rdma_reg_base;
+ u32 rdma_reg_stride;
+ u32 rdma_channels;
+
+ /**
+ * on SOCs like APQ8016 the channel control bits start
+ * at different offset to ipq806x
+ **/
+ u32 rdmactl_audif_start;
+ /* SOC specific intialization like clocks */
+ int (*init)(struct platform_device *pdev);
+ int (*exit)(struct platform_device *pdev);
+ int (*alloc_dma_channel)(struct lpass_data *data);
+ int (*free_dma_channel)(struct lpass_data *data, int ch);
+
+ /* SOC specific dais */
+ struct snd_soc_dai_driver *dai_driver;
+ int num_dai;
};
/* register the platform driver from the CPU DAI driver */
int asoc_qcom_lpass_platform_register(struct platform_device *);
+int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev);
+int asoc_qcom_lpass_cpu_platform_probe(struct platform_device *pdev);
+int asoc_qcom_lpass_cpu_dai_probe(struct snd_soc_dai *dai);
+extern struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops;
#endif /* __LPASS_H__ */
diff --git a/sound/soc/qcom/storm.c b/sound/soc/qcom/storm.c
index b8bd29619..2d833bffd 100644
--- a/sound/soc/qcom/storm.c
+++ b/sound/soc/qcom/storm.c
@@ -69,11 +69,6 @@ static struct snd_soc_dai_link storm_dai_link = {
.ops = &storm_soc_ops,
};
-static struct snd_soc_card storm_soc_card = {
- .name = "ipq806x-storm",
- .dev = NULL,
-};
-
static int storm_parse_of(struct snd_soc_card *card)
{
struct snd_soc_dai_link *dai_link = card->dai_link;
@@ -99,14 +94,13 @@ static int storm_parse_of(struct snd_soc_card *card)
static int storm_platform_probe(struct platform_device *pdev)
{
- struct snd_soc_card *card = &storm_soc_card;
+ struct snd_soc_card *card;
int ret;
- if (card->dev) {
- dev_err(&pdev->dev, "%s() error, existing soundcard\n",
- __func__);
- return -ENODEV;
- }
+ card = devm_kzalloc(&pdev->dev, sizeof(*card), GFP_KERNEL);
+ if (!card)
+ return -ENOMEM;
+
card->dev = &pdev->dev;
platform_set_drvdata(pdev, card);
@@ -128,16 +122,12 @@ static int storm_platform_probe(struct platform_device *pdev)
}
ret = devm_snd_soc_register_card(&pdev->dev, card);
- if (ret == -EPROBE_DEFER) {
- card->dev = NULL;
- return ret;
- } else if (ret) {
+ if (ret)
dev_err(&pdev->dev, "%s() error registering soundcard: %d\n",
__func__, ret);
- return ret;
- }
- return 0;
+ return ret;
+
}
#ifdef CONFIG_OF
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-17 16:54:59 +0000