1 files changed, 153 insertions, 0 deletions
diff --git a/sound/soc/mediatek/common/mtk-base-afe.h b/sound/soc/mediatek/common/mtk-base-afe.h
new file mode 100644
index 000000000..ef83e78c2
--- /dev/null
+++ b/sound/soc/mediatek/common/mtk-base-afe.h
@@ -0,0 +1,153 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * mtk-base-afe.h  --  Mediatek base afe structure
+ *
+ * Copyright (c) 2016 MediaTek Inc.
+ * Author: Garlic Tseng <garlic.tseng@mediatek.com>
+ */
+
+#ifndef _MTK_BASE_AFE_H_
+#define _MTK_BASE_AFE_H_
+
+#define MTK_STREAM_NUM (SNDRV_PCM_STREAM_LAST + 1)
+
+struct mtk_base_memif_data {
+	int id;
+	const char *name;
+	int reg_ofs_base;
+	int reg_ofs_cur;
+	int reg_ofs_end;
+	int reg_ofs_base_msb;
+	int reg_ofs_cur_msb;
+	int reg_ofs_end_msb;
+	int fs_reg;
+	int fs_shift;
+	int fs_maskbit;
+	int mono_reg;
+	int mono_shift;
+	int mono_invert;
+	int quad_ch_reg;
+	int quad_ch_mask;
+	int quad_ch_shift;
+	int int_odd_flag_reg;
+	int int_odd_flag_shift;
+	int enable_reg;
+	int enable_shift;
+	int hd_reg;
+	int hd_shift;
+	int hd_align_reg;
+	int hd_align_mshift;
+	int msb_reg;
+	int msb_shift;
+	int msb_end_reg;
+	int msb_end_shift;
+	int agent_disable_reg;
+	int agent_disable_shift;
+	int ch_num_reg;
+	int ch_num_shift;
+	int ch_num_maskbit;
+	/* playback memif only */
+	int pbuf_reg;
+	int pbuf_mask;
+	int pbuf_shift;
+	int minlen_reg;
+	int minlen_mask;
+	int minlen_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;
+	int irq_status_shift;
+};
+
+struct device;
+struct list_head;
+struct mtk_base_afe_memif;
+struct mtk_base_afe_irq;
+struct mtk_base_afe_dai;
+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;
+	int memif_32bit_supported;
+
+	struct list_head sub_dais;
+	struct snd_soc_dai_driver *dai_drivers;
+	unsigned int num_dai_drivers;
+
+	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);
+	int (*get_dai_fs)(struct mtk_base_afe *afe,
+			  int dai_id, unsigned int rate);
+	int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream);
+
+	int (*request_dram_resource)(struct device *dev);
+	int (*release_dram_resource)(struct device *dev);
+
+	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;
+	unsigned char *dma_area;
+	dma_addr_t dma_addr;
+	size_t dma_bytes;
+};
+
+struct mtk_base_afe_irq {
+	const struct mtk_base_irq_data *irq_data;
+	int irq_occupyed;
+};
+
+struct mtk_base_afe_dai {
+	struct snd_soc_dai_driver *dai_drivers;
+	unsigned int num_dai_drivers;
+
+	const struct snd_kcontrol_new *controls;
+	unsigned int num_controls;
+	const struct snd_soc_dapm_widget *dapm_widgets;
+	unsigned int num_dapm_widgets;
+	const struct snd_soc_dapm_route *dapm_routes;
+	unsigned int num_dapm_routes;
+
+	struct list_head list;
+};
+
+#endif
+