85 lines
2.3 KiB
C
Executable File
85 lines
2.3 KiB
C
Executable File
#ifndef __ACPM_MFD_H__
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#define __ACPM_MFD_H__
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/* Define shift */
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#define SHIFT_BYTE (8)
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#define SHIFT_REG (0)
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#define SHIFT_TYPE (8)
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#define SHIFT_FUNC (0)
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#define SHIFT_DEST (8)
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#define SHIFT_CNT (8)
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#define SHIFT_WRITE_VAL (8)
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#define SHIFT_UPDATE_VAL (8)
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#define SHIFT_UPDATE_MASK (16)
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#define SHIFT_RETURN (24)
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#define SHIFT_BULK_VAL SHIFT_BYTE
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/* Define mask */
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#define MASK_BYTE (0xFF)
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#define MASK_REG MASK_BYTE
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#define MASK_TYPE (0xF)
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#define MASK_FUNC MASK_BYTE
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#define MASK_DEST MASK_BYTE
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#define MASK_CNT MASK_BYTE
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#define MASK_WRITE_VAL MASK_BYTE
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#define MASK_UPDATE_VAL MASK_BYTE
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#define MASK_UPDATE_MASK MASK_BYTE
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#define MASK_RETURN MASK_BYTE
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#define MASK_BULK_VAL MASK_BYTE
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/* Command */
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#define set_protocol(data, protocol) ((data & MASK_##protocol) << SHIFT_##protocol)
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#define set_bulk_protocol(data, protocol, n) ((data & MASK_##protocol) << (SHIFT_##protocol * (n)))
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#define read_protocol(data, protocol) ((data >> SHIFT_##protocol) & MASK_##protocol)
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#define read_bulk_protocol(data, protocol, n) ((data >> (SHIFT_##protocol * (n))) & MASK_##protocol)
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#define ACPM_MFD_PREFIX "ACPM-MFD: "
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#ifndef pr_fmt
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#define pr_fmt(fmt) fmt
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#endif
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#ifdef ACPM_MFD_DEBUG
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#define ACPM_MFD_PRINT(fmt, ...) printk(ACPM_MFD_PREFIX pr_fmt(fmt), ##__VA_ARGS__)
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#else
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#define ACPM_MFD_PRINT(fmt, ...)
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#endif
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enum mfd_func {
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FUNC_READ,
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FUNC_WRITE,
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FUNC_UPDATE,
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FUNC_BULK_READ,
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FUNC_BULK_WRITE,
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};
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#ifdef CONFIG_EXYNOS_ACPM
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extern int exynos_acpm_read_reg(u16 type, u8 reg, u8 *dest);
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extern int exynos_acpm_bulk_read(u16 type, u8 reg, int count, u8 *buf);
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extern int exynos_acpm_write_reg(u16 type, u8 reg, u8 value);
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extern int exynos_acpm_bulk_write(u16 type, u8 reg, int count, u8 *buf);
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extern int exynos_acpm_update_reg(u16 type, u8 reg, u8 value, u8 mask);
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#else
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static inline int exynos_acpm_read_reg(u16 type, u8 reg, u8 *dest)
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{
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return 0;
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}
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static inline int exynos_acpm_bulk_read(u16 type, u8 reg, int count, u8 *buf)
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{
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return 0;
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}
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static inline int exynos_acpm_write_reg(u16 type, u8 reg, u8 value)
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{
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return 0;
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}
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static inline int exynos_acpm_bulk_write(u16 type, u8 reg, int count, u8 *buf)
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{
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return 0;
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}
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static inline int exynos_acpm_update_reg(u16 type, u8 reg, u8 value, u8 mask)
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{
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return 0;
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}
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#endif
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#endif /* __ACPM_MFD_H__ */
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