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Diffstat (limited to '')
| -rw-r--r-- | sound/soc/mediatek/common/mtk-base-afe.h | 146 |
1 files changed, 146 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..a8cf44d98 --- /dev/null +++ b/sound/soc/mediatek/common/mtk-base-afe.h @@ -0,0 +1,146 @@ +/* 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; + + 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 + |