xref: /openbmc/qemu/include/hw/or-irq.h (revision e1f9f73ba15e0356ce1aa3317d7bd294f587ab58)
11b255677SAlistair Francis /*
21b255677SAlistair Francis  * QEMU IRQ/GPIO common code.
31b255677SAlistair Francis  *
41b255677SAlistair Francis  * Copyright (c) 2016 Alistair Francis <alistair@alistair23.me>.
51b255677SAlistair Francis  *
61b255677SAlistair Francis  * Permission is hereby granted, free of charge, to any person obtaining a copy
71b255677SAlistair Francis  * of this software and associated documentation files (the "Software"), to deal
81b255677SAlistair Francis  * in the Software without restriction, including without limitation the rights
91b255677SAlistair Francis  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
101b255677SAlistair Francis  * copies of the Software, and to permit persons to whom the Software is
111b255677SAlistair Francis  * furnished to do so, subject to the following conditions:
121b255677SAlistair Francis  *
131b255677SAlistair Francis  * The above copyright notice and this permission notice shall be included in
141b255677SAlistair Francis  * all copies or substantial portions of the Software.
151b255677SAlistair Francis  *
161b255677SAlistair Francis  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
171b255677SAlistair Francis  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
181b255677SAlistair Francis  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
191b255677SAlistair Francis  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
201b255677SAlistair Francis  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
211b255677SAlistair Francis  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
221b255677SAlistair Francis  * THE SOFTWARE.
231b255677SAlistair Francis  */
241b255677SAlistair Francis 
25439f122fSPeter Maydell #ifndef HW_OR_IRQ_H
26439f122fSPeter Maydell #define HW_OR_IRQ_H
27439f122fSPeter Maydell 
281b255677SAlistair Francis #include "hw/sysbus.h"
291b255677SAlistair Francis #include "qom/object.h"
301b255677SAlistair Francis 
311b255677SAlistair Francis #define TYPE_OR_IRQ "or-irq"
321b255677SAlistair Francis 
33f81804a5SPeter Maydell /* This can safely be increased if necessary without breaking
34f81804a5SPeter Maydell  * migration compatibility (as long as it remains greater than 15).
35f81804a5SPeter Maydell  */
36ddf59e9cSGuenter Roeck #define MAX_OR_LINES      48
371b255677SAlistair Francis 
38*60d3ccfbSPhilippe Mathieu-Daudé OBJECT_DECLARE_SIMPLE_TYPE(OrIRQState, OR_IRQ)
391b255677SAlistair Francis 
401b255677SAlistair Francis struct OrIRQState {
411b255677SAlistair Francis     DeviceState parent_obj;
421b255677SAlistair Francis 
431b255677SAlistair Francis     qemu_irq out_irq;
441b255677SAlistair Francis     bool levels[MAX_OR_LINES];
451b255677SAlistair Francis     uint16_t num_lines;
461b255677SAlistair Francis };
47439f122fSPeter Maydell 
48439f122fSPeter Maydell #endif
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