1 /*- 2 * Copyright (c) 2011,2016 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Andrew Turner under 6 * sponsorship from the FreeBSD Foundation. 7 * 8 * Developed by Damjan Marion <damjan.marion@gmail.com> 9 * 10 * Based on OMAP4 GIC code by Ben Gray 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. The name of the company nor the name of the author may be used to 21 * endorse or promote products derived from this software without specific 22 * prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 */ 38 39 #ifndef _ARM_GIC_H_ 40 #define _ARM_GIC_H_ 41 42 struct arm_gic_range { 43 uint64_t bus; 44 uint64_t host; 45 uint64_t size; 46 }; 47 48 struct arm_gic_softc { 49 device_t gic_dev; 50 void * gic_intrhand; 51 struct gic_irqsrc * gic_irqs; 52 #define GIC_RES_DIST 0 53 #define GIC_RES_CPU 1 54 struct resource * gic_res[3]; 55 uint8_t ver; 56 struct mtx mutex; 57 uint32_t nirqs; 58 uint32_t typer; 59 uint32_t last_irq[MAXCPU]; 60 61 uint32_t gic_iidr; 62 u_int gic_bus; 63 64 int nranges; 65 struct arm_gic_range * ranges; 66 }; 67 68 DECLARE_CLASS(arm_gic_driver); 69 70 struct arm_gicv2m_softc { 71 struct resource *sc_mem; 72 uintptr_t sc_xref; 73 u_int sc_spi_start; 74 u_int sc_spi_count; 75 }; 76 77 DECLARE_CLASS(arm_gicv2m_driver); 78 79 int arm_gic_attach(device_t); 80 int arm_gic_detach(device_t); 81 int arm_gicv2m_attach(device_t); 82 int arm_gic_intr(void *); 83 84 #endif /* _ARM_GIC_H_ */ 85