33 lines
1.4 KiB
C
33 lines
1.4 KiB
C
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/* Prototypes and definitions for i2c drivers. */
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#ifndef _MINIX_I2CDRIVER_H
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#define _MINIX_I2CDRIVER_H
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#include <minix/endpoint.h>
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#include <minix/i2c.h>
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#include <minix/ipc.h>
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/* Functions defined by i2cdriver.c: */
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int i2cdriver_env_parse(uint32_t * bus, i2c_addr_t * address,
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i2c_addr_t * valid_addrs);
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void i2cdriver_announce(uint32_t bus);
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endpoint_t i2cdriver_bus_endpoint(uint32_t bus);
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int i2cdriver_subscribe_bus_updates(uint32_t bus);
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void i2cdriver_handle_bus_update(endpoint_t * bus_endpoint, uint32_t bus,
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i2c_addr_t address);
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int i2cdriver_reserve_device(endpoint_t bus_endpoint, i2c_addr_t address);
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int i2cdriver_exec(endpoint_t bus_endpoint, minix_i2c_ioctl_exec_t *ioctl_exec);
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int i2creg_raw_read8(endpoint_t bus, i2c_addr_t addr, uint8_t * val);
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int i2creg_read8(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint8_t * val);
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int i2creg_read16(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint16_t * val);
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int i2creg_read24(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint32_t * val);
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int i2creg_raw_write8(endpoint_t bus, i2c_addr_t addr, uint8_t val);
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int i2creg_write8(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint8_t val);
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int i2creg_set_bits8(endpoint_t bus, i2c_addr_t addr, uint8_t reg,
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uint8_t bits);
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int i2creg_clear_bits8(endpoint_t bus, i2c_addr_t addr, uint8_t reg,
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uint8_t bits);
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#endif /* _MINIX_I2CDRIVER_H */
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