ASoC: mt6797: add structure define and clock control function for 6797

Signed-off-by: NKaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/mediatek/mt6797/mt6797-afe-clk.c

+/*
+ * mt6797-afe-clk.c  --  Mediatek 6797 afe clock ctrl
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ *
+ * 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/clk.h>
+
+#include "mt6797-afe-common.h"
+#include "mt6797-afe-clk.h"
+
+enum {
+	CLK_INFRA_SYS_AUD,
+	CLK_INFRA_SYS_AUD_26M,
+	CLK_TOP_MUX_AUD,
+	CLK_TOP_MUX_AUD_BUS,
+	CLK_TOP_SYSPLL3_D4,
+	CLK_TOP_SYSPLL1_D4,
+	CLK_CLK26M,
+	CLK_NUM
+};
+
+static const char *aud_clks[CLK_NUM] = {
+	[CLK_INFRA_SYS_AUD] = "infra_sys_audio_clk",
+	[CLK_INFRA_SYS_AUD_26M] = "infra_sys_audio_26m",
+	[CLK_TOP_MUX_AUD] = "top_mux_audio",
+	[CLK_TOP_MUX_AUD_BUS] = "top_mux_aud_intbus",
+	[CLK_TOP_SYSPLL3_D4] = "top_sys_pll3_d4",
+	[CLK_TOP_SYSPLL1_D4] = "top_sys_pll1_d4",
+	[CLK_CLK26M] = "top_clk26m_clk",
+};
+
+int mt6797_init_clock(struct mtk_base_afe *afe)
+{
+	struct mt6797_afe_private *afe_priv = afe->platform_priv;
+	int i;
+
+	afe_priv->clk = devm_kcalloc(afe->dev, CLK_NUM, sizeof(*afe_priv->clk),
+				     GFP_KERNEL);
+	if (!afe_priv->clk)
+		return -ENOMEM;
+
+	for (i = 0; i < CLK_NUM; i++) {
+		afe_priv->clk[i] = devm_clk_get(afe->dev, aud_clks[i]);
+		if (IS_ERR(afe_priv->clk[i])) {
+			dev_err(afe->dev, "%s(), devm_clk_get %s fail, ret %ld\n",
+				__func__, aud_clks[i],
+				PTR_ERR(afe_priv->clk[i]));
+			return PTR_ERR(afe_priv->clk[i]);
+		}
+	}
+
+	return 0;
+}
+
+int mt6797_afe_enable_clock(struct mtk_base_afe *afe)
+{
+	struct mt6797_afe_private *afe_priv = afe->platform_priv;
+	int ret;
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUD]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_INFRA_SYS_AUD], ret);
+		goto CLK_INFRA_SYS_AUDIO_ERR;
+	}
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_INFRA_SYS_AUD_26M]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_INFRA_SYS_AUD_26M], ret);
+		goto CLK_INFRA_SYS_AUD_26M_ERR;
+	}
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_TOP_MUX_AUD], ret);
+		goto CLK_MUX_AUDIO_ERR;
+	}
+
+	ret = clk_set_parent(afe_priv->clk[CLK_TOP_MUX_AUD],
+			     afe_priv->clk[CLK_CLK26M]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_set_parent %s-%s fail %d\n",
+			__func__, aud_clks[CLK_TOP_MUX_AUD],
+			aud_clks[CLK_CLK26M], ret);
+		goto CLK_MUX_AUDIO_ERR;
+	}
+
+	ret = clk_prepare_enable(afe_priv->clk[CLK_TOP_MUX_AUD_BUS]);
+	if (ret) {
+		dev_err(afe->dev, "%s(), clk_prepare_enable %s fail %d\n",
+			__func__, aud_clks[CLK_TOP_MUX_AUD_BUS], ret);
+		goto CLK_MUX_AUDIO_INTBUS_ERR;
+	}
+
+	return ret;
+
+CLK_MUX_AUDIO_INTBUS_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_BUS]);
+CLK_MUX_AUDIO_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD]);
+CLK_INFRA_SYS_AUD_26M_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD_26M]);
+CLK_INFRA_SYS_AUDIO_ERR:
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD]);
+
+	return 0;
+}
+
+int mt6797_afe_disable_clock(struct mtk_base_afe *afe)
+{
+	struct mt6797_afe_private *afe_priv = afe->platform_priv;
+
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD_BUS]);
+	clk_disable_unprepare(afe_priv->clk[CLK_TOP_MUX_AUD]);
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD_26M]);
+	clk_disable_unprepare(afe_priv->clk[CLK_INFRA_SYS_AUD]);
+
+	return 0;
+}

sound/soc/mediatek/mt6797/mt6797-afe-clk.h

+/*
+ * mt6797-afe-clk.h  --  Mediatek 6797 afe clock ctrl definition
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ *
+ * 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.
+ */
+
+#ifndef _MT6797_AFE_CLK_H_
+#define _MT6797_AFE_CLK_H_
+
+struct mtk_base_afe;
+
+int mt6797_init_clock(struct mtk_base_afe *afe);
+int mt6797_afe_enable_clock(struct mtk_base_afe *afe);
+int mt6797_afe_disable_clock(struct mtk_base_afe *afe);
+#endif

sound/soc/mediatek/mt6797/mt6797-afe-common.h

+/*
+ * mt6797-afe-common.h  --  Mediatek 6797 audio driver definitions
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ *
+ * 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.
+ */
+
+#ifndef _MT_6797_AFE_COMMON_H_
+#define _MT_6797_AFE_COMMON_H_
+
+#include <sound/soc.h>
+#include <linux/regmap.h>
+#include "../common/mtk-base-afe.h"
+
+enum {
+	MT6797_MEMIF_DL1,
+	MT6797_MEMIF_DL2,
+	MT6797_MEMIF_DL3,
+	MT6797_MEMIF_VUL,
+	MT6797_MEMIF_AWB,
+	MT6797_MEMIF_VUL12,
+	MT6797_MEMIF_DAI,
+	MT6797_MEMIF_MOD_DAI,
+	MT6797_MEMIF_NUM,
+	MT6797_DAI_ADDA = MT6797_MEMIF_NUM,
+	MT6797_DAI_NUM,
+};
+
+enum {
+	MT6797_IRQ_1,
+	MT6797_IRQ_2,
+	MT6797_IRQ_3,
+	MT6797_IRQ_4,
+	MT6797_IRQ_7,
+	MT6797_IRQ_NUM,
+};
+
+struct clk;
+
+struct mt6797_afe_private {
+	struct clk **clk;
+};
+
+unsigned int mt6797_general_rate_transform(struct device *dev,
+					   unsigned int rate);
+unsigned int mt6797_rate_transform(struct device *dev,
+				   unsigned int rate, int aud_blk);
+#endif

sound/soc/mediatek/mt6797/mt6797-interconnection.h

+/*
+ * Mediatek MT6797 audio driver interconnection definition
+ *
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+ *
+ * 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.
+ */
+
+#ifndef _MT6797_INTERCONNECTION_H_
+#define _MT6797_INTERCONNECTION_H_
+
+#define I_I2S0_CH1 0
+#define I_I2S0_CH2 1
+#define I_ADDA_UL_CH1 3
+#define I_ADDA_UL_CH2 4
+#define I_DL1_CH1 5
+#define I_DL1_CH2 6
+#define I_DL2_CH1 7
+#define I_DL2_CH2 8
+#define I_PCM_1_CAP_CH1 9
+#define I_GAIN1_OUT_CH1 10
+#define I_GAIN1_OUT_CH2 11
+#define I_GAIN2_OUT_CH1 12
+#define I_GAIN2_OUT_CH2 13
+#define I_PCM_2_CAP_CH1 14
+#define I_PCM_2_CAP_CH2 21
+#define I_PCM_1_CAP_CH2 22
+#define I_DL3_CH1 23
+#define I_DL3_CH2 24
+#define I_I2S2_CH1 25
+#define I_I2S2_CH2 26
+
+#endif