root / lab4 / .minix-src / include / minix / i2cdriver.h @ 14
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1 | 13 | up20180614 | /* Prototypes and definitions for i2c drivers. */
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2 | |||
3 | #ifndef _MINIX_I2CDRIVER_H
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4 | #define _MINIX_I2CDRIVER_H
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5 | |||
6 | #include <minix/endpoint.h> |
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7 | #include <minix/i2c.h> |
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8 | #include <minix/ipc.h> |
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9 | |||
10 | /* Functions defined by i2cdriver.c: */
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11 | int i2cdriver_env_parse(uint32_t * bus, i2c_addr_t * address,
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12 | i2c_addr_t * valid_addrs); |
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13 | void i2cdriver_announce(uint32_t bus);
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14 | endpoint_t i2cdriver_bus_endpoint(uint32_t bus); |
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15 | int i2cdriver_subscribe_bus_updates(uint32_t bus);
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16 | void i2cdriver_handle_bus_update(endpoint_t * bus_endpoint, uint32_t bus,
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17 | i2c_addr_t address); |
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18 | int i2cdriver_reserve_device(endpoint_t bus_endpoint, i2c_addr_t address);
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19 | int i2cdriver_exec(endpoint_t bus_endpoint, minix_i2c_ioctl_exec_t *ioctl_exec);
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20 | |||
21 | int i2creg_raw_read8(endpoint_t bus, i2c_addr_t addr, uint8_t * val);
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22 | int i2creg_read8(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint8_t * val);
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23 | int i2creg_read16(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint16_t * val);
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24 | int i2creg_read24(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint32_t * val);
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25 | int i2creg_raw_write8(endpoint_t bus, i2c_addr_t addr, uint8_t val);
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26 | int i2creg_write8(endpoint_t bus, i2c_addr_t addr, uint8_t reg, uint8_t val);
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27 | int i2creg_set_bits8(endpoint_t bus, i2c_addr_t addr, uint8_t reg,
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28 | uint8_t bits); |
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29 | int i2creg_clear_bits8(endpoint_t bus, i2c_addr_t addr, uint8_t reg,
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30 | uint8_t bits); |
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31 | |||
32 | #endif /* _MINIX_I2CDRIVER_H */ |