tests/libqos/i2c.h

   1 /*
   2  * I2C libqos
   3  *
   4  * Copyright (c) 2012 Andreas Färber
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7  * See the COPYING file in the top-level directory.
   8  */
   9 #ifndef LIBQOS_I2C_H
  10 #define LIBQOS_I2C_H
  11
  12 #include "libqtest.h"
  13
  14 typedef struct I2CAdapter I2CAdapter;
  15 struct I2CAdapter {
  16     void (*send)(I2CAdapter *adapter, uint8_t addr,
  17                  const uint8_t *buf, uint16_t len);
  18     void (*recv)(I2CAdapter *adapter, uint8_t addr,
  19                  uint8_t *buf, uint16_t len);
  20
  21     QTestState *qts;
  22 };
  23
  24 #define OMAP2_I2C_1_BASE 0x48070000
  25
  26 void i2c_send(I2CAdapter *i2c, uint8_t addr,
  27               const uint8_t *buf, uint16_t len);
  28 void i2c_recv(I2CAdapter *i2c, uint8_t addr,
  29               uint8_t *buf, uint16_t len);
  30
  31 void i2c_read_block(I2CAdapter *i2c, uint8_t addr, uint8_t reg,
  32                     uint8_t *buf, uint16_t len);
  33 void i2c_write_block(I2CAdapter *i2c, uint8_t addr, uint8_t reg,
  34                      const uint8_t *buf, uint16_t len);
  35 uint8_t i2c_get8(I2CAdapter *i2c, uint8_t addr, uint8_t reg);
  36 uint16_t i2c_get16(I2CAdapter *i2c, uint8_t addr, uint8_t reg);
  37 void i2c_set8(I2CAdapter *i2c, uint8_t addr, uint8_t reg,
  38               uint8_t value);
  39 void i2c_set16(I2CAdapter *i2c, uint8_t addr, uint8_t reg,
  40                uint16_t value);
  41
  42 /* libi2c-omap.c */
  43 I2CAdapter *omap_i2c_create(QTestState *qts, uint64_t addr);
  44
  45 /* libi2c-imx.c */
  46 I2CAdapter *imx_i2c_create(QTestState *qts, uint64_t addr);
  47
  48 #endif