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 35