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-rw-r--r--sound/soc/mediatek/common/mtk-base-afe.h153
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
+