Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 145 insertions, 0 deletions

diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c
new file mode 100644
index 0000000000..5d07b38f6d
--- /dev/null
+++ b/sound/soc/qcom/apq8096.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2018, Linaro Limited
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <sound/pcm.h>
+#include "common.h"
+
+#define SLIM_MAX_TX_PORTS 16
+#define SLIM_MAX_RX_PORTS 16
+#define WCD9335_DEFAULT_MCLK_RATE	9600000
+
+static int apq8096_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
+				      struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *rate = hw_param_interval(params,
+					SNDRV_PCM_HW_PARAM_RATE);
+	struct snd_interval *channels = hw_param_interval(params,
+					SNDRV_PCM_HW_PARAM_CHANNELS);
+
+	rate->min = rate->max = 48000;
+	channels->min = channels->max = 2;
+
+	return 0;
+}
+
+static int msm_snd_hw_params(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	u32 rx_ch[SLIM_MAX_RX_PORTS], tx_ch[SLIM_MAX_TX_PORTS];
+	u32 rx_ch_cnt = 0, tx_ch_cnt = 0;
+	int ret = 0;
+
+	ret = snd_soc_dai_get_channel_map(codec_dai,
+				&tx_ch_cnt, tx_ch, &rx_ch_cnt, rx_ch);
+	if (ret != 0 && ret != -ENOTSUPP) {
+		pr_err("failed to get codec chan map, err:%d\n", ret);
+		goto end;
+	} else if (ret == -ENOTSUPP) {
+		return 0;
+	}
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		ret = snd_soc_dai_set_channel_map(cpu_dai, 0, NULL,
+						  rx_ch_cnt, rx_ch);
+	else
+		ret = snd_soc_dai_set_channel_map(cpu_dai, tx_ch_cnt, tx_ch,
+						  0, NULL);
+	if (ret != 0 && ret != -ENOTSUPP)
+		pr_err("Failed to set cpu chan map, err:%d\n", ret);
+	else if (ret == -ENOTSUPP)
+		ret = 0;
+end:
+	return ret;
+}
+
+static const struct snd_soc_ops apq8096_ops = {
+	.hw_params = msm_snd_hw_params,
+};
+
+static int apq8096_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+
+	/*
+	 * Codec SLIMBUS configuration
+	 * RX1, RX2, RX3, RX4, RX5, RX6, RX7, RX8, RX9, RX10, RX11, RX12, RX13
+	 * TX1, TX2, TX3, TX4, TX5, TX6, TX7, TX8, TX9, TX10, TX11, TX12, TX13
+	 * TX14, TX15, TX16
+	 */
+	unsigned int rx_ch[SLIM_MAX_RX_PORTS] = {144, 145, 146, 147, 148, 149,
+					150, 151, 152, 153, 154, 155, 156};
+	unsigned int tx_ch[SLIM_MAX_TX_PORTS] = {128, 129, 130, 131, 132, 133,
+					    134, 135, 136, 137, 138, 139,
+					    140, 141, 142, 143};
+
+	snd_soc_dai_set_channel_map(codec_dai, ARRAY_SIZE(tx_ch),
+					tx_ch, ARRAY_SIZE(rx_ch), rx_ch);
+
+	snd_soc_dai_set_sysclk(codec_dai, 0, WCD9335_DEFAULT_MCLK_RATE,
+				SNDRV_PCM_STREAM_PLAYBACK);
+
+	return 0;
+}
+
+static void apq8096_add_be_ops(struct snd_soc_card *card)
+{
+	struct snd_soc_dai_link *link;
+	int i;
+
+	for_each_card_prelinks(card, i, link) {
+		if (link->no_pcm == 1) {
+			link->be_hw_params_fixup = apq8096_be_hw_params_fixup;
+			link->init = apq8096_init;
+			link->ops = &apq8096_ops;
+		}
+	}
+}
+
+static int apq8096_platform_probe(struct platform_device *pdev)
+{
+	struct snd_soc_card *card;
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
+	if (!card)
+		return -ENOMEM;
+
+	card->driver_name = "apq8096";
+	card->dev = dev;
+	card->owner = THIS_MODULE;
+	dev_set_drvdata(dev, card);
+	ret = qcom_snd_parse_of(card);
+	if (ret)
+		return ret;
+
+	apq8096_add_be_ops(card);
+	return devm_snd_soc_register_card(dev, card);
+}
+
+static const struct of_device_id msm_snd_apq8096_dt_match[] = {
+	{.compatible = "qcom,apq8096-sndcard"},
+	{}
+};
+
+MODULE_DEVICE_TABLE(of, msm_snd_apq8096_dt_match);
+
+static struct platform_driver msm_snd_apq8096_driver = {
+	.probe  = apq8096_platform_probe,
+	.driver = {
+		.name = "msm-snd-apq8096",
+		.of_match_table = msm_snd_apq8096_dt_match,
+	},
+};
+module_platform_driver(msm_snd_apq8096_driver);
+MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org");
+MODULE_DESCRIPTION("APQ8096 ASoC Machine Driver");
+MODULE_LICENSE("GPL v2");