Merge remote-tracking branch 'remotes/bsdimp/tags/pull-bsd-user-20211018-pull-request...
[qemu.git] / include / hw / intc / rx_icu.h
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 /* RX_ICU_H */