7c4166a971
PMU-enabled New World Macs expose their GPIOs via a separate memory region within the macio device. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
/*
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* PowerMac NewWorld MacIO GPIO emulation
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*
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* Copyright (c) 2016 Benjamin Herrenschmidt
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* Copyright (c) 2018 Mark Cave-Ayland
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MACIO_GPIO_H
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#define MACIO_GPIO_H
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#define TYPE_MACIO_GPIO "macio-gpio"
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#define MACIO_GPIO(obj) OBJECT_CHECK(MacIOGPIOState, (obj), TYPE_MACIO_GPIO)
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typedef struct MacIOGPIOState {
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/*< private >*/
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SysBusDevice parent;
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/*< public >*/
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OpenPICState *pic;
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MemoryRegion gpiomem;
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qemu_irq gpio_extirqs[10];
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uint8_t gpio_levels[8];
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uint8_t gpio_regs[36]; /* XXX Check count */
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} MacIOGPIOState;
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void macio_set_gpio(MacIOGPIOState *s, uint32_t gpio, bool state);
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#endif
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