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pca9552.h (816B)

      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 #include "qom/object.h"
     14 
     15 #define TYPE_PCA9552 "pca9552"
     16 #define TYPE_PCA955X "pca955x"
     17 typedef struct PCA955xState PCA955xState;
     18 DECLARE_INSTANCE_CHECKER(PCA955xState, PCA955X,
     19                          TYPE_PCA955X)
     20 
     21 #define PCA955X_NR_REGS 10
     22 #define PCA955X_PIN_COUNT_MAX 16
     23 
     24 struct PCA955xState {
     25     /*< private >*/
     26     I2CSlave i2c;
     27     /*< public >*/
     28 
     29     uint8_t len;
     30     uint8_t pointer;
     31 
     32     uint8_t regs[PCA955X_NR_REGS];
     33     qemu_irq gpio[PCA955X_PIN_COUNT_MAX];
     34     char *description; /* For debugging purpose only */
     35 };
     36 
     37 #endif