LXR linux/sound/soc/mediatek/common/mtk-base-afe.h

   1/*
   2 * mtk-base-afe.h  --  Mediatek base afe structure
   3 *
   4 * Copyright (c) 2016 MediaTek Inc.
   5 * Author: Garlic Tseng <garlic.tseng@mediatek.com>
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 and
   9 * only version 2 as published by the Free Software Foundation.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 */
  16
  17#ifndef _MTK_BASE_AFE_H_
  18#define _MTK_BASE_AFE_H_
  19
  20struct mtk_base_memif_data {
  21        int id;
  22        const char *name;
  23        int reg_ofs_base;
  24        int reg_ofs_cur;
  25        int fs_reg;
  26        int fs_shift;
  27        int fs_maskbit;
  28        int mono_reg;
  29        int mono_shift;
  30        int enable_reg;
  31        int enable_shift;
  32        int hd_reg;
  33        int hd_shift;
  34        int msb_reg;
  35        int msb_shift;
  36        int agent_disable_reg;
  37        int agent_disable_shift;
  38};
  39
  40struct mtk_base_irq_data {
  41        int id;
  42        int irq_cnt_reg;
  43        int irq_cnt_shift;
  44        int irq_cnt_maskbit;
  45        int irq_fs_reg;
  46        int irq_fs_shift;
  47        int irq_fs_maskbit;
  48        int irq_en_reg;
  49        int irq_en_shift;
  50        int irq_clr_reg;
  51        int irq_clr_shift;
  52};
  53
  54struct device;
  55struct mtk_base_afe_memif;
  56struct mtk_base_afe_irq;
  57struct regmap;
  58struct snd_pcm_substream;
  59struct snd_soc_dai;
  60
  61struct mtk_base_afe {
  62        void __iomem *base_addr;
  63        struct device *dev;
  64        struct regmap *regmap;
  65        struct mutex irq_alloc_lock; /* dynamic alloc irq lock */
  66
  67        unsigned int const *reg_back_up_list;
  68        unsigned int *reg_back_up;
  69        unsigned int reg_back_up_list_num;
  70
  71        int (*runtime_suspend)(struct device *dev);
  72        int (*runtime_resume)(struct device *dev);
  73        bool suspended;
  74
  75        struct mtk_base_afe_memif *memif;
  76        int memif_size;
  77        struct mtk_base_afe_irq *irqs;
  78        int irqs_size;
  79
  80        const struct snd_pcm_hardware *mtk_afe_hardware;
  81        int (*memif_fs)(struct snd_pcm_substream *substream,
  82                        unsigned int rate);
  83        int (*irq_fs)(struct snd_pcm_substream *substream,
  84                      unsigned int rate);
  85
  86        void *platform_priv;
  87};
  88
  89struct mtk_base_afe_memif {
  90        unsigned int phys_buf_addr;
  91        int buffer_size;
  92        struct snd_pcm_substream *substream;
  93        const struct mtk_base_memif_data *data;
  94        int irq_usage;
  95        int const_irq;
  96};
  97
  98struct mtk_base_afe_irq {
  99        const struct mtk_base_irq_data *irq_data;
 100        int irq_occupyed;
 101};
 102
 103#endif
 104
 105