80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
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/*
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* Samsung EXYNOS Camera PostProcessing driver
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*
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* Copyright (C) 2014 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef CAMERAPP_SFR_API_COMMON_H
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#define CAMERAPP_SFR_API_COMMON_H
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/slab.h>
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extern int camerapp_log_level;
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#define camerapp_dbg(fmt, args...) \
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do { \
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if (camerapp_log_level) \
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pr_info("[%s:%d] " \
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fmt, __func__, __LINE__, ##args); \
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} while (0)
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#define MAX(a,b) (((a) > (b)) ? (a) : (b))
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enum regdata_type {
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/* read write */
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RW = 0,
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/* read only */
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RO = 1,
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/* write only */
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WO = 2,
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/* write input */
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WI = 2,
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/* clear after read */
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RAC = 3,
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/* write 1 -> clear */
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W1C = 4,
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/* write read input */
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WRI = 5,
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/* write input */
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RWI = 5,
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/* only scaler */
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R_W = 6,
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/* read & write for clear */
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RWC = 7,
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/* read & write as dual setting */
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RWS = 8,
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/* write only*/
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RIW = 9,
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/* read only latched implementation register */
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ROL = 10,
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};
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struct camerapp_sfr_reg {
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unsigned int sfr_offset;
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char *reg_name;
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};
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struct camerapp_sfr_field {
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char *field_name;
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unsigned int bit_start;
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unsigned int bit_width;
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enum regdata_type type;
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int reset;
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};
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u32 camerapp_sfr_get_reg(void __iomem *base_addr, const struct camerapp_sfr_reg *reg);
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void camerapp_sfr_set_reg(void __iomem *base_addr, const struct camerapp_sfr_reg *reg, u32 val);
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u32 camerapp_sfr_get_field(void __iomem *base_addr, const struct camerapp_sfr_reg *reg, const struct camerapp_sfr_field *field);
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void camerapp_sfr_set_field(void __iomem *base_addr, const struct camerapp_sfr_reg *reg, const struct camerapp_sfr_field *field, u32 val);
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u32 camerapp_sfr_get_field_value(u32 reg_value, const struct camerapp_sfr_field *field);
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u32 camerapp_sfr_set_field_value(u32 reg_value, const struct camerapp_sfr_field *field, u32 val);
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void camerapp_sfr_dump_regs(void __iomem *base_addr, const struct camerapp_sfr_reg *regs, u32 total_cnt);
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#endif
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