include/hw/misc/pca9552.h

   1 /*
   2  * PCA9552 I2C LED blinker
   3  *
   4  * Copyright (c) 2017-2018, IBM Corporation.
   5  *
   6  * This work is licensed under the terms of the GNU GPL, version 2 or
   7  * later. See the COPYING file in the top-level directory.
   8  */
   9 #ifndef PCA9552_H
  10 #define PCA9552_H
  11
  12 #include "hw/i2c/i2c.h"
  13
  14 #define TYPE_PCA9552 "pca9552"
  15 #define TYPE_PCA955X "pca955x"
  16 #define PCA955X(obj) OBJECT_CHECK(PCA955xState, (obj), TYPE_PCA955X)
  17
  18 #define PCA955X_NR_REGS 10
  19 #define PCA955X_PIN_COUNT_MAX 16
  20
  21 typedef struct PCA955xState {
  22     /*< private >*/
  23     I2CSlave i2c;
  24     /*< public >*/
  25
  26     uint8_t len;
  27     uint8_t pointer;
  28
  29     uint8_t regs[PCA955X_NR_REGS];
  30     qemu_irq gpio[PCA955X_PIN_COUNT_MAX];
  31     char *description; /* For debugging purpose only */
  32 } PCA955xState;
  33
  34 #endif