1 /* $NetBSD: pci_machdep.c,v 1.3 2014/03/29 19:28:26 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Radoslaw Kujawa. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* Amiga-specific PCI MD stuff. */ 33 34 #include <sys/types.h> 35 #include <sys/param.h> 36 #include <sys/time.h> 37 #include <sys/systm.h> 38 #include <sys/errno.h> 39 #include <sys/device.h> 40 #include <sys/malloc.h> 41 #include <sys/extent.h> 42 #include <sys/kmem.h> 43 44 #include <uvm/uvm_extern.h> 45 46 #include <machine/bus.h> 47 #include <machine/cpu.h> 48 49 #include <m68k/bus_dma.h> 50 #include <amiga/dev/zbusvar.h> 51 #include <amiga/pci/mppbreg.h> 52 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcidevs.h> 56 #include <dev/pci/pciconf.h> 57 58 pcitag_t 59 amiga_pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function) 60 { 61 return (bus << 16) | (device << 11) | (function << 8); 62 } 63 64 void 65 amiga_pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, 66 int *dp, int *fp) 67 { 68 if (bp != NULL) 69 *bp = (tag >> 16) & 0xff; 70 if (dp != NULL) 71 *dp = (tag >> 11) & 0x1f; 72 if (fp != NULL) 73 *fp = (tag >> 8) & 0x07; 74 } 75 76 void * 77 amiga_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level, 78 int (*ih_fun)(void *), void *ih_arg) 79 { 80 struct isr* pci_isr; 81 pci_isr = kmem_zalloc(sizeof(struct isr), KM_SLEEP); 82 83 /* TODO: check for bogus handle */ 84 85 pci_isr->isr_intr = ih_fun; 86 pci_isr->isr_arg = ih_arg; 87 pci_isr->isr_ipl = 2; /* XXX: true for all current drivers */ 88 add_isr(pci_isr); 89 return pci_isr; 90 } 91 92 void 93 amiga_pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie) 94 { 95 remove_isr(cookie); 96 kmem_free(cookie, sizeof(struct isr)); 97 } 98 99 const char * 100 amiga_pci_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih, char *buf, 101 size_t len) 102 { 103 104 snprintf(buf, len, "INT%d", (int) ih); 105 return buf; 106 } 107 108 int 109 amiga_pci_conf_hook(pci_chipset_tag_t pct, int bus, int dev, int func, 110 pcireg_t id) 111 { 112 return PCI_CONF_DEFAULT; 113 } 114 115 void 116 amiga_pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int dev, int func, 117 int swiz, int *iline) 118 { 119 } 120 121