mediatek/common/mtk-base-afe.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * mtk-base-afe.h  --  Mediatek base afe structure
0004  *
0005  * Copyright (c) 2016 MediaTek Inc.
0006  * Author: Garlic Tseng <garlic.tseng@mediatek.com>
0007  */
0008
0009 #ifndef _MTK_BASE_AFE_H_
0010 #define _MTK_BASE_AFE_H_
0011
0012 #define MTK_STREAM_NUM (SNDRV_PCM_STREAM_LAST + 1)
0013
0014 struct mtk_base_memif_data {
0015     int id;
0016     const char *name;
0017     int reg_ofs_base;
0018     int reg_ofs_cur;
0019     int reg_ofs_end;
0020     int reg_ofs_base_msb;
0021     int reg_ofs_cur_msb;
0022     int reg_ofs_end_msb;
0023     int fs_reg;
0024     int fs_shift;
0025     int fs_maskbit;
0026     int mono_reg;
0027     int mono_shift;
0028     int mono_invert;
0029     int quad_ch_reg;
0030     int quad_ch_mask;
0031     int quad_ch_shift;
0032     int int_odd_flag_reg;
0033     int int_odd_flag_shift;
0034     int enable_reg;
0035     int enable_shift;
0036     int hd_reg;
0037     int hd_shift;
0038     int hd_align_reg;
0039     int hd_align_mshift;
0040     int msb_reg;
0041     int msb_shift;
0042     int msb_end_reg;
0043     int msb_end_shift;
0044     int agent_disable_reg;
0045     int agent_disable_shift;
0046     int ch_num_reg;
0047     int ch_num_shift;
0048     int ch_num_maskbit;
0049     /* playback memif only */
0050     int pbuf_reg;
0051     int pbuf_mask;
0052     int pbuf_shift;
0053     int minlen_reg;
0054     int minlen_mask;
0055     int minlen_shift;
0056 };
0057
0058 struct mtk_base_irq_data {
0059     int id;
0060     int irq_cnt_reg;
0061     int irq_cnt_shift;
0062     int irq_cnt_maskbit;
0063     int irq_fs_reg;
0064     int irq_fs_shift;
0065     int irq_fs_maskbit;
0066     int irq_en_reg;
0067     int irq_en_shift;
0068     int irq_clr_reg;
0069     int irq_clr_shift;
0070     int irq_status_shift;
0071 };
0072
0073 struct device;
0074 struct list_head;
0075 struct mtk_base_afe_memif;
0076 struct mtk_base_afe_irq;
0077 struct mtk_base_afe_dai;
0078 struct regmap;
0079 struct snd_pcm_substream;
0080 struct snd_soc_dai;
0081
0082 struct mtk_base_afe {
0083     void __iomem *base_addr;
0084     struct device *dev;
0085     struct regmap *regmap;
0086     struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
0087
0088     unsigned int const *reg_back_up_list;
0089     unsigned int *reg_back_up;
0090     unsigned int reg_back_up_list_num;
0091
0092     int (*runtime_suspend)(struct device *dev);
0093     int (*runtime_resume)(struct device *dev);
0094     bool suspended;
0095
0096     struct mtk_base_afe_memif *memif;
0097     int memif_size;
0098     struct mtk_base_afe_irq *irqs;
0099     int irqs_size;
0100     int memif_32bit_supported;
0101
0102     struct list_head sub_dais;
0103     struct snd_soc_dai_driver *dai_drivers;
0104     unsigned int num_dai_drivers;
0105
0106     const struct snd_pcm_hardware *mtk_afe_hardware;
0107     int (*memif_fs)(struct snd_pcm_substream *substream,
0108             unsigned int rate);
0109     int (*irq_fs)(struct snd_pcm_substream *substream,
0110               unsigned int rate);
0111     int (*get_dai_fs)(struct mtk_base_afe *afe,
0112               int dai_id, unsigned int rate);
0113     int (*get_memif_pbuf_size)(struct snd_pcm_substream *substream);
0114
0115     int (*request_dram_resource)(struct device *dev);
0116     int (*release_dram_resource)(struct device *dev);
0117
0118     void *platform_priv;
0119 };
0120
0121 struct mtk_base_afe_memif {
0122     unsigned int phys_buf_addr;
0123     int buffer_size;
0124     struct snd_pcm_substream *substream;
0125     const struct mtk_base_memif_data *data;
0126     int irq_usage;
0127     int const_irq;
0128     unsigned char *dma_area;
0129     dma_addr_t dma_addr;
0130     size_t dma_bytes;
0131 };
0132
0133 struct mtk_base_afe_irq {
0134     const struct mtk_base_irq_data *irq_data;
0135     int irq_occupyed;
0136 };
0137
0138 struct mtk_base_afe_dai {
0139     struct snd_soc_dai_driver *dai_drivers;
0140     unsigned int num_dai_drivers;
0141
0142     const struct snd_kcontrol_new *controls;
0143     unsigned int num_controls;
0144     const struct snd_soc_dapm_widget *dapm_widgets;
0145     unsigned int num_dapm_widgets;
0146     const struct snd_soc_dapm_route *dapm_routes;
0147     unsigned int num_dapm_routes;
0148
0149     struct list_head list;
0150 };
0151
0152 #endif
0153