Linux Audio
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Embedded Linux Audio
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/* 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 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 msb2_reg; int msb2_shift; int agent_disable_reg; int agent_disable_shift; /* 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; }; 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
