Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 122 insertions, 0 deletions

diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c
new file mode 100644
index 000000000..ca1e1f2d2
--- /dev/null
+++ b/sound/soc/qcom/lpass-ipq806x.c
@@ -0,0 +1,122 @@
+/*
+ * 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, int dir)
+{
+	if (dir == SNDRV_PCM_STREAM_PLAYBACK)
+		return IPQ806X_LPAIF_RDMA_CHAN_MI2S;
+	else	/* Capture currently not implemented */
+		return -EINVAL;
+}
+
+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,
+	.wrdma_reg_base		= 0xB000,
+	.wrdma_reg_stride	= 0x1000,
+	.wrdma_channel_start	= 5,
+	.wrdma_channels		= 4,
+	.dai_driver		= &ipq806x_lpass_cpu_dai_driver,
+	.num_dai		= 1,
+	.dai_osr_clk_names	= (const char *[]) {
+				"mi2s-osr-clk",
+				},
+	.dai_bit_clk_names	= (const char *[]) {
+				"mi2s-bit-clk",
+				},
+	.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");