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_out[PCA955X_PIN_COUNT_MAX]; 34 uint8_t ext_state[PCA955X_PIN_COUNT_MAX]; 35 char *description; /* For debugging purpose only */ 36 }; 37 38 #endif 39