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-rw-r--r--sound/soc/mediatek/common/mtk-base-afe.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/sound/soc/mediatek/common/mtk-base-afe.h b/sound/soc/mediatek/common/mtk-base-afe.h
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+++ b/sound/soc/mediatek/common/mtk-base-afe.h
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+/*
+ * mtk-base-afe.h -- Mediatek base afe structure
+ *
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Garlic Tseng <garlic.tseng@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_BASE_AFE_H_
+#define _MTK_BASE_AFE_H_
+
+struct mtk_base_memif_data {
+ int id;
+ const char *name;
+ int reg_ofs_base;
+ int reg_ofs_cur;
+ int fs_reg;
+ int fs_shift;
+ int fs_maskbit;
+ int mono_reg;
+ int mono_shift;
+ int enable_reg;
+ int enable_shift;
+ int hd_reg;
+ int hd_shift;
+ int msb_reg;
+ int msb_shift;
+ int agent_disable_reg;
+ int agent_disable_shift;
+};
+
+struct mtk_base_irq_data {
+ int id;
+ int irq_cnt_reg;
+ int irq_cnt_shift;
+ int irq_cnt_maskbit;
+ int irq_fs_reg;
+ int irq_fs_shift;
+ int irq_fs_maskbit;
+ int irq_en_reg;
+ int irq_en_shift;
+ int irq_clr_reg;
+ int irq_clr_shift;
+};
+
+struct device;
+struct mtk_base_afe_memif;
+struct mtk_base_afe_irq;
+struct regmap;
+struct snd_pcm_substream;
+struct snd_soc_dai;
+
+struct mtk_base_afe {
+ void __iomem *base_addr;
+ struct device *dev;
+ struct regmap *regmap;
+ struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
+
+ unsigned int const *reg_back_up_list;
+ unsigned int *reg_back_up;
+ unsigned int reg_back_up_list_num;
+
+ int (*runtime_suspend)(struct device *dev);
+ int (*runtime_resume)(struct device *dev);
+ bool suspended;
+
+ struct mtk_base_afe_memif *memif;
+ int memif_size;
+ struct mtk_base_afe_irq *irqs;
+ int irqs_size;
+
+ const struct snd_pcm_hardware *mtk_afe_hardware;
+ int (*memif_fs)(struct snd_pcm_substream *substream,
+ unsigned int rate);
+ int (*irq_fs)(struct snd_pcm_substream *substream,
+ unsigned int rate);
+
+ void *platform_priv;
+};
+
+struct mtk_base_afe_memif {
+ unsigned int phys_buf_addr;
+ int buffer_size;
+ struct snd_pcm_substream *substream;
+ const struct mtk_base_memif_data *data;
+ int irq_usage;
+ int const_irq;
+};
+
+struct mtk_base_afe_irq {
+ const struct mtk_base_irq_data *irq_data;
+ int irq_occupyed;
+};
+
+#endif
+