90 lines
4.5 KiB
C
90 lines
4.5 KiB
C
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/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the I2C handler.
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*
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*
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*
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* Authors: RichardG, <richardg867@gmail.com>
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*
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* Copyright 2020 RichardG.
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*/
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#ifndef EMU_I2C_H
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# define EMU_I2C_H
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/* i2c.c */
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extern void *i2c_smbus;
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/* i2c.c */
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extern void *i2c_addbus(char *name);
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extern void i2c_removebus(void *bus_handle);
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extern void i2c_sethandler(void *bus_handle, uint8_t base, int size,
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void (*read_quick)(void *bus, uint8_t addr, void *priv),
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uint8_t (*read_byte)(void *bus, uint8_t addr, void *priv),
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uint8_t (*read_byte_cmd)(void *bus, uint8_t addr, uint8_t cmd, void *priv),
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uint16_t (*read_word_cmd)(void *bus, uint8_t addr, uint8_t cmd, void *priv),
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uint8_t (*read_block_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
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void (*write_quick)(void *bus, uint8_t addr, void *priv),
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void (*write_byte)(void *bus, uint8_t addr, uint8_t val, void *priv),
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void (*write_byte_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t val, void *priv),
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void (*write_word_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint16_t val, void *priv),
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void (*write_block_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
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void *priv);
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extern void i2c_removehandler(void *bus_handle, uint8_t base, int size,
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void (*read_quick)(void *bus, uint8_t addr, void *priv),
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uint8_t (*read_byte)(void *bus, uint8_t addr, void *priv),
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uint8_t (*read_byte_cmd)(void *bus, uint8_t addr, uint8_t cmd, void *priv),
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uint16_t (*read_word_cmd)(void *bus, uint8_t addr, uint8_t cmd, void *priv),
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uint8_t (*read_block_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
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void (*write_quick)(void *bus, uint8_t addr, void *priv),
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void (*write_byte)(void *bus, uint8_t addr, uint8_t val, void *priv),
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void (*write_byte_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t val, void *priv),
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void (*write_word_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint16_t val, void *priv),
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void (*write_block_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
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void *priv);
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extern void i2c_handler(int set, void *bus_handle, uint8_t base, int size,
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void (*read_quick)(void *bus, uint8_t addr, void *priv),
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uint8_t (*read_byte)(void *bus, uint8_t addr, void *priv),
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uint8_t (*read_byte_cmd)(void *bus, uint8_t addr, uint8_t cmd, void *priv),
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uint16_t (*read_word_cmd)(void *bus, uint8_t addr, uint8_t cmd, void *priv),
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uint8_t (*read_block_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
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void (*write_quick)(void *bus, uint8_t addr, void *priv),
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void (*write_byte)(void *bus, uint8_t addr, uint8_t val, void *priv),
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void (*write_byte_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t val, void *priv),
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void (*write_word_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint16_t val, void *priv),
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void (*write_block_cmd)(void *bus, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len, void *priv),
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void *priv);
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extern uint8_t i2c_has_device(void *bus_handle, uint8_t addr);
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extern void i2c_read_quick(void *bus_handle, uint8_t addr);
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extern uint8_t i2c_read_byte(void *bus_handle, uint8_t addr);
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extern uint8_t i2c_read_byte_cmd(void *bus_handle, uint8_t addr, uint8_t cmd);
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extern uint16_t i2c_read_word_cmd(void *bus_handle, uint8_t addr, uint8_t cmd);
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extern uint8_t i2c_read_block_cmd(void *bus_handle, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len);
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extern void i2c_write_quick(void *bus_handle, uint8_t addr);
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extern void i2c_write_byte(void *bus_handle, uint8_t addr, uint8_t val);
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extern void i2c_write_byte_cmd(void *bus_handle, uint8_t addr, uint8_t cmd, uint8_t val);
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extern void i2c_write_word_cmd(void *bus_handle, uint8_t addr, uint8_t cmd, uint16_t val);
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extern void i2c_write_block_cmd(void *bus_handle, uint8_t addr, uint8_t cmd, uint8_t *data, uint8_t len);
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/* i2c_gpio.c */
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extern void *i2c_gpio_init(char *bus_name);
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extern void i2c_gpio_close(void *dev_handle);
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extern void i2c_gpio_set(void *dev_handle, uint8_t scl, uint8_t sda);
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extern uint8_t i2c_gpio_get_scl(void *dev_handle);
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extern uint8_t i2c_gpio_get_sda(void *dev_handle);
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extern void *i2c_gpio_get_bus();
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#endif /*EMU_I2C_H*/
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