1 /* $NetBSD: ixp12x0var.h,v 1.11 2012/11/12 18:00:37 skrll Exp $ */ 2 /* 3 * Copyright (c) 2002 4 * Ichiro FUKUHARA <ichiro@ichiro.org>. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _IXP12X0VAR_H_ 30 #define _IXP12X0VAR_H_ 31 32 #include <sys/conf.h> 33 #include <sys/device.h> 34 #include <sys/queue.h> 35 36 #include <sys/bus.h> 37 38 #include <dev/pci/pcivar.h> 39 40 struct ixp12x0_softc { 41 device_t sc_dev; 42 bus_space_tag_t sc_iot; 43 44 /* Handles for the PCI */ 45 bus_space_handle_t sc_pci_ioh; /* PCI CSR */ 46 bus_space_handle_t sc_conf0_ioh; /* PCI Configuration 0 */ 47 bus_space_handle_t sc_conf1_ioh; /* PCI Configuration 1 */ 48 49 /* DMA, and PCI chipset */ 50 struct arm32_bus_dma_tag ia_pci_dmat; 51 struct arm32_pci_chipset ia_pci_chipset; 52 53 /* DMA window info for PCI DMA. */ 54 struct arm32_dma_range ia_pci_dma_range; 55 56 /* GPIO */ 57 }; 58 59 struct intrhand { 60 TAILQ_ENTRY(intrhand) ih_list; /* link on intrq list */ 61 int (*ih_func)(void *); /* interrupt handler */ 62 void *ih_arg; /* arg for handler */ 63 int ih_ipl; /* IPL_* */ 64 int ih_irq; /* IRQ number */ 65 }; 66 67 #define IRQNAMESIZE sizeof("ixpintr ipl xxx") 68 69 struct intrq { 70 TAILQ_HEAD(, intrhand) iq_list; /* handler list */ 71 struct evcnt iq_ev; /* event counter */ 72 uint32_t iq_mask; /* IRQs to mask while handling */ 73 uint32_t iq_pci_mask; /* PCI IRQs to mask while handling */ 74 uint32_t iq_levels; /* IPL_*'s this IRQ has */ 75 char iq_name[IRQNAMESIZE]; /* interrupt name */ 76 int iq_ist; /* share type */ 77 }; 78 79 struct pmap_ent { 80 const char* msg; 81 vaddr_t va; 82 paddr_t pa; 83 vsize_t sz; 84 int prot; 85 int cache; 86 }; 87 88 extern struct bus_space ixp12x0_bs_tag; 89 90 void ixp12x0_pci_init(pci_chipset_tag_t, void *); 91 void ixp12x0_pci_dma_init(struct ixp12x0_softc *); 92 void ixp12x0_attach(struct ixp12x0_softc *); 93 void ixp12x0_intr_init(void); 94 void *ixp12x0_intr_establish(int irq, int ipl, int (*)(void *), void *); 95 void ixp12x0_intr_disestablish(void *); 96 void ixp12x0_pmap_chunk_table(vaddr_t l1pt, struct pmap_ent* m); 97 void ixp12x0_pmap_io_reg(vaddr_t l1pt); 98 void ixp12x0_reset(void); 99 100 #endif /* _IXP12X0VAR_H_ */ 101