openbcm

Git mirror of https://github.com/Broadcom-Network-Switching-Software/OpenBCM
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bcmi2c.h (990B)

      1 /*
      2  * 
      3  * 
      4  * This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      5  * 
      6  * Copyright 2007-2020 Broadcom Inc. All rights reserved.
      7  *
      8  */
      9 
     10 #ifndef __BCM_BCMI2C_H__
     11 #define __BCM_BCMI2C_H__
     12 
     13 #if defined(INCLUDE_I2C)
     14 
     15 #include <bcm/types.h>
     16 
     17 #ifndef BCM_HIDE_DISPATCHABLE
     18 
     19 /* Open I2C device. */
     20 extern int bcm_i2c_open(
     21     int unit, 
     22     char *devname, 
     23     uint32 flags, 
     24     int speed);
     25 
     26 /* Write to I2C device. */
     27 extern int bcm_i2c_write(
     28     int unit, 
     29     int fd, 
     30     uint32 addr, 
     31     uint8 *data, 
     32     uint32 nbytes);
     33 
     34 /* Read from I2C device. */
     35 extern int bcm_i2c_read(
     36     int unit, 
     37     int fd, 
     38     uint32 addr, 
     39     uint8 *data, 
     40     uint32 *nbytes);
     41 
     42 /* Perform IOCTL access on I2C driver. */
     43 extern int bcm_i2c_ioctl(
     44     int unit, 
     45     int fd, 
     46     int opcode, 
     47     void *data, 
     48     int len);
     49 
     50 #endif /* defined(INCLUDE_I2C) */
     51 
     52 #endif /* BCM_HIDE_DISPATCHABLE */
     53 
     54 #endif /* __BCM_BCMI2C_H__ */