rx_icu.h (1771B)
1 /* 2 * RX Interrupt Control Unit 3 * 4 * Copyright (c) 2019 Yoshinori Sato 5 * 6 * SPDX-License-Identifier: GPL-2.0-or-later 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms and conditions of the GNU General Public License, 10 * version 2 or later, as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef HW_INTC_RX_ICU_H 22 #define HW_INTC_RX_ICU_H 23 24 #include "hw/sysbus.h" 25 #include "qom/object.h" 26 27 enum TRG_MODE { 28 TRG_LEVEL = 0, 29 TRG_NEDGE = 1, /* Falling */ 30 TRG_PEDGE = 2, /* Raising */ 31 TRG_BEDGE = 3, /* Both */ 32 }; 33 34 struct IRQSource { 35 enum TRG_MODE sense; 36 int level; 37 }; 38 39 enum { 40 /* Software interrupt request */ 41 SWI = 27, 42 NR_IRQS = 256 43 }; 44 45 struct RXICUState { 46 /*< private >*/ 47 SysBusDevice parent_obj; 48 /*< public >*/ 49 50 MemoryRegion memory; 51 struct IRQSource src[NR_IRQS]; 52 uint32_t nr_irqs; 53 uint8_t *map; 54 uint32_t nr_sense; 55 uint8_t *init_sense; 56 57 uint8_t ir[NR_IRQS]; 58 uint8_t dtcer[NR_IRQS]; 59 uint8_t ier[NR_IRQS / 8]; 60 uint8_t ipr[142]; 61 uint8_t dmasr[4]; 62 uint16_t fir; 63 uint8_t nmisr; 64 uint8_t nmier; 65 uint8_t nmiclr; 66 uint8_t nmicr; 67 int16_t req_irq; 68 qemu_irq _irq; 69 qemu_irq _fir; 70 qemu_irq _swi; 71 }; 72 73 #define TYPE_RX_ICU "rx-icu" 74 OBJECT_DECLARE_SIMPLE_TYPE(RXICUState, RX_ICU) 75 76 #endif /* HW_INTC_RX_ICU_H */