Linux-libre 4.2-gnu

1 files changed, 109 insertions, 0 deletions

diff --git a/sound/soc/mediatek/mtk-afe-common.h b/sound/soc/mediatek/mtk-afe-common.h
new file mode 100644
index 000000000..a88b17511
--- /dev/null
+++ b/sound/soc/mediatek/mtk-afe-common.h
@@ -0,0 +1,109 @@
+/*
+ * mtk_afe_common.h  --  Mediatek audio driver common definitions
+ *
+ * Copyright (c) 2015 MediaTek Inc.
+ * Author: Koro Chen <koro.chen@mediatek.com>
+ *             Sascha Hauer <s.hauer@pengutronix.de>
+ *             Hidalgo Huang <hidalgo.huang@mediatek.com>
+ *             Ir Lian <ir.lian@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 _MTK_AFE_COMMON_H_
+#define _MTK_AFE_COMMON_H_
+
+#include <linux/clk.h>
+#include <linux/regmap.h>
+
+enum {
+	MTK_AFE_MEMIF_DL1,
+	MTK_AFE_MEMIF_DL2,
+	MTK_AFE_MEMIF_VUL,
+	MTK_AFE_MEMIF_DAI,
+	MTK_AFE_MEMIF_AWB,
+	MTK_AFE_MEMIF_MOD_DAI,
+	MTK_AFE_MEMIF_HDMI,
+	MTK_AFE_MEMIF_NUM,
+	MTK_AFE_IO_MOD_PCM1 = MTK_AFE_MEMIF_NUM,
+	MTK_AFE_IO_MOD_PCM2,
+	MTK_AFE_IO_PMIC,
+	MTK_AFE_IO_I2S,
+	MTK_AFE_IO_2ND_I2S,
+	MTK_AFE_IO_HW_GAIN1,
+	MTK_AFE_IO_HW_GAIN2,
+	MTK_AFE_IO_MRG_O,
+	MTK_AFE_IO_MRG_I,
+	MTK_AFE_IO_DAIBT,
+	MTK_AFE_IO_HDMI,
+};
+
+enum {
+	MTK_AFE_IRQ_1,
+	MTK_AFE_IRQ_2,
+	MTK_AFE_IRQ_3,
+	MTK_AFE_IRQ_4,
+	MTK_AFE_IRQ_5,
+	MTK_AFE_IRQ_6,
+	MTK_AFE_IRQ_7,
+	MTK_AFE_IRQ_8,
+	MTK_AFE_IRQ_NUM,
+};
+
+enum {
+	MTK_CLK_INFRASYS_AUD,
+	MTK_CLK_TOP_PDN_AUD,
+	MTK_CLK_TOP_PDN_AUD_BUS,
+	MTK_CLK_I2S0_M,
+	MTK_CLK_I2S1_M,
+	MTK_CLK_I2S2_M,
+	MTK_CLK_I2S3_M,
+	MTK_CLK_I2S3_B,
+	MTK_CLK_BCK0,
+	MTK_CLK_BCK1,
+	MTK_CLK_NUM
+};
+
+struct mtk_afe;
+struct snd_pcm_substream;
+
+struct mtk_afe_memif_data {
+	int id;
+	const char *name;
+	int reg_ofs_base;
+	int reg_ofs_cur;
+	int fs_shift;
+	int mono_shift;
+	int enable_shift;
+	int irq_reg_cnt;
+	int irq_cnt_shift;
+	int irq_en_shift;
+	int irq_fs_shift;
+	int irq_clr_shift;
+};
+
+struct mtk_afe_memif {
+	unsigned int phys_buf_addr;
+	int buffer_size;
+	unsigned int hw_ptr;		/* Previous IRQ's HW ptr */
+	struct snd_pcm_substream *substream;
+	const struct mtk_afe_memif_data *data;
+	const struct mtk_afe_irq_data *irqdata;
+};
+
+struct mtk_afe {
+	/* address for ioremap audio hardware register */
+	void __iomem *base_addr;
+	struct device *dev;
+	struct regmap *regmap;
+	struct mtk_afe_memif memif[MTK_AFE_MEMIF_NUM];
+	struct clk *clocks[MTK_CLK_NUM];
+};
+#endif