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Diffstat (limited to 'kernel/sound/soc/qcom/lpass-ipq806x.c')
-rw-r--r--kernel/sound/soc/qcom/lpass-ipq806x.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/kernel/sound/soc/qcom/lpass-ipq806x.c b/kernel/sound/soc/qcom/lpass-ipq806x.c
new file mode 100644
index 000000000..7a4167952
--- /dev/null
+++ b/kernel/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;
+}
+
+static 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");