afe-drv.h

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/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * Copyright(c) 2021 MediaTek. All rights reserved.
 *
 * Author: Bo Pan <bo.pan@mediatek.com>
 *         YC Hung <yc.hung@mediatek.com>
 */
 
#ifndef __SOF_DRIVERS_AFE_DRV_H__
#define __SOF_DRIVERS_AFE_DRV_H__
 
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 msb2_reg;
    int msb2_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_ap_en_reg;
    int irq_ap_en_shift;
    int irq_scp_en_reg;
    int irq_scp_en_shift;
};
 
struct mtk_base_afe_memif {
    unsigned int dma_addr;
    unsigned int afe_addr;
    unsigned int buffer_size;
 
    const struct mtk_base_memif_data *data;
    int irq_usage;
};
 
struct mtk_base_afe_dai {
    int id;
    unsigned int channel;
    unsigned int rate;
    unsigned int format;
    /* other? */
};
 
struct mtk_base_afe_irq {
    const struct mtk_base_irq_data *irq_data;
    int mask;
    int irq_occupyed;
};
 
struct mtk_base_afe {
    int ref_count;
    unsigned int base;
 
    struct mtk_base_afe_memif *memif;
    int memifs_size;
    int memif_32bit_supported;
    int memif_dl_num;
 
    struct mtk_base_afe_irq *irqs;
    int irqs_size;
 
    struct mtk_base_afe_dai *dais;
    int dais_size;
 
    unsigned int (*afe2adsp_addr)(unsigned int addr);
    unsigned int (*adsp2afe_addr)(unsigned int addr);
    unsigned int (*afe_fs)(unsigned int rate, int aud_blk);
    unsigned int (*irq_fs)(unsigned int rate);
 
    int base_end_offset;
 
    void *platform_priv;
};
 
/* platform information */
struct mtk_base_afe_platform {
    unsigned int base_addr;
    const struct mtk_base_memif_data *memif_datas;
    int memif_size;
    int memif_32bit_supported;
    int memif_dl_num;
 
    struct mtk_base_irq_data *irq_datas;
    int irqs_size;
    int dais_size;
 
    int base_end_offset;
 
    /* misc */
    unsigned int (*afe2adsp_addr)(unsigned int addr);
    unsigned int (*adsp2afe_addr)(unsigned int addr);
    unsigned int (*afe_fs)(unsigned int rate, int aud_blk);
    unsigned int (*irq_fs)(unsigned int rate);
};
 
extern struct mtk_base_afe_platform mtk_afe_platform;
 
struct mtk_base_afe *afe_get(void);
int afe_probe(struct mtk_base_afe *afe);
void afe_remove(struct mtk_base_afe *afe);
 
/* dai operation */
int afe_dai_get_config(struct mtk_base_afe *afe, int id, unsigned int *channel, unsigned int *rate,
               unsigned int *format);
int afe_dai_set_config(struct mtk_base_afe *afe, int id, unsigned int channel, unsigned int rate,
               unsigned int format);
 
/* memif operation */
int afe_memif_set_params(struct mtk_base_afe *afe, int id, unsigned int channel, unsigned int rate,
             unsigned int format);
int afe_memif_set_addr(struct mtk_base_afe *afe, int id, unsigned int dma_addr,
               unsigned int dma_bytes);
int afe_memif_set_enable(struct mtk_base_afe *afe, int id, int enable);
unsigned int afe_memif_get_cur_position(struct mtk_base_afe *afe, int id);
int afe_memif_get_direction(struct mtk_base_afe *afe, int id);
 
/* irq opeartion */
int afe_irq_get_status(struct mtk_base_afe *afe, int id);
int afe_irq_clear(struct mtk_base_afe *afe, int id);
int afe_irq_config(struct mtk_base_afe *afe, int id, unsigned int rate, unsigned int period);
int afe_irq_enable(struct mtk_base_afe *afe, int id);
int afe_irq_disable(struct mtk_base_afe *afe, int id);
 
#endif /* __SOF_DRIVERS_AFE_DRV_H__ */