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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /sound/soc/mediatek/mtk-afe-common.h
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'sound/soc/mediatek/mtk-afe-common.h')
-rw-r--r--sound/soc/mediatek/mtk-afe-common.h109
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
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+++ 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