pci_up1000.c revision 1.7
1121461Sharti/* $OpenBSD: pci_up1000.c,v 1.7 2001/12/14 00:44:59 nate Exp $ */ 2121461Sharti/* $NetBSD: pci_up1000.c,v 1.6 2000/12/28 22:59:07 sommerfeld Exp $ */ 3121461Sharti 4121461Sharti/*- 5121461Sharti * Copyright (c) 2000 The NetBSD Foundation, Inc. 6121461Sharti * All rights reserved. 7121461Sharti * 8121461Sharti * This code is derived from software contributed to The NetBSD Foundation 9121461Sharti * by Jason R. Thorpe. 10121461Sharti * 11121461Sharti * Redistribution and use in source and binary forms, with or without 12121461Sharti * modification, are permitted provided that the following conditions 13121461Sharti * are met: 14121461Sharti * 1. Redistributions of source code must retain the above copyright 15121461Sharti * notice, this list of conditions and the following disclaimer. 16121461Sharti * 2. Redistributions in binary form must reproduce the above copyright 17121461Sharti * notice, this list of conditions and the following disclaimer in the 18121461Sharti * documentation and/or other materials provided with the distribution. 19121461Sharti * 3. All advertising materials mentioning features or use of this software 20121461Sharti * must display the following acknowledgement: 21121461Sharti * This product includes software developed by the NetBSD 22121461Sharti * Foundation, Inc. and its contributors. 23121461Sharti * 4. Neither the name of The NetBSD Foundation nor the names of its 24121461Sharti * contributors may be used to endorse or promote products derived 25121461Sharti * from this software without specific prior written permission. 26121461Sharti * 27121461Sharti * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28121461Sharti * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29121461Sharti * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30121461Sharti * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31121461Sharti * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32121461Sharti * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33121461Sharti * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34121461Sharti * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35121461Sharti * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36121461Sharti * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37121461Sharti * POSSIBILITY OF SUCH DAMAGE. 38121461Sharti */ 39121461Sharti 40121461Sharti#include <sys/types.h> 41121461Sharti#include <sys/param.h> 42121461Sharti#include <sys/time.h> 43121461Sharti#include <sys/systm.h> 44121461Sharti#include <sys/errno.h> 45121461Sharti#include <sys/device.h> 46121461Sharti 47121461Sharti#include <uvm/uvm_extern.h> 48121461Sharti 49121461Sharti#include <machine/autoconf.h> 50121461Sharti#include <machine/bus.h> 51121461Sharti#include <machine/intr.h> 52121461Sharti 53121461Sharti#include <dev/isa/isavar.h> 54121461Sharti 55121461Sharti#include <dev/pci/pcireg.h> 56121461Sharti#include <dev/pci/pcivar.h> 57121461Sharti#include <dev/pci/pciidereg.h> 58121461Sharti#include <dev/pci/pciidevar.h> 59121461Sharti 60121461Sharti#include <alpha/pci/irongatevar.h> 61121461Sharti 62121461Sharti#include <alpha/pci/pci_up1000.h> 63121461Sharti#include <alpha/pci/siovar.h> 64121461Sharti#include <alpha/pci/sioreg.h> 65121461Sharti 66121461Sharti#include "sio.h" 67121461Sharti 68121461Shartiint api_up1000_intr_map(void *, pcitag_t, int, int, pci_intr_handle_t *); 69121461Sharticonst char *api_up1000_intr_string(void *, pci_intr_handle_t); 70121461Shartiint api_up1000_intr_line(void *, pci_intr_handle_t); 71121461Sharticonst struct evcnt *api_up1000_intr_evcnt(void *, pci_intr_handle_t); 72121461Shartivoid *api_up1000_intr_establish(void *, pci_intr_handle_t, 73121461Sharti int, int (*func)(void *), void *, char *); 74121461Shartivoid api_up1000_intr_disestablish(void *, void *); 75121461Sharti 76121461Shartivoid *api_up1000_pciide_compat_intr_establish(void *, struct device *, 77121461Sharti struct pci_attach_args *, int, int (*)(void *), void *); 78121461Shartivoid api_up1000_pciide_compat_intr_disestablish(void *, void *); 79121461Sharti 80121461Shartivoid 81121461Shartipci_up1000_pickintr(struct irongate_config *icp) 82121461Sharti{ 83121461Sharti bus_space_tag_t iot = &icp->ic_iot; 84121461Sharti pci_chipset_tag_t pc = &icp->ic_pc; 85121461Sharti 86121461Sharti pc->pc_intr_v = icp; 87121461Sharti pc->pc_intr_map = api_up1000_intr_map; 88121461Sharti pc->pc_intr_string = api_up1000_intr_string; 89121461Sharti pc->pc_intr_line = api_up1000_intr_line; 90121461Sharti#if 0 91121461Sharti pc->pc_intr_evcnt = api_up1000_intr_evcnt; 92121461Sharti#endif 93121461Sharti pc->pc_intr_establish = api_up1000_intr_establish; 94121461Sharti pc->pc_intr_disestablish = api_up1000_intr_disestablish; 95121461Sharti 96121461Sharti pc->pc_pciide_compat_intr_establish = 97121461Sharti api_up1000_pciide_compat_intr_establish; 98121461Sharti pc->pc_pciide_compat_intr_disestablish = 99121461Sharti api_up1000_pciide_compat_intr_disestablish; 100121461Sharti 101121461Sharti#if NSIO 102121461Sharti sio_intr_setup(pc, iot); 103121461Sharti set_iointr(&sio_iointr); 104121461Sharti#else 105121461Sharti panic("pci_up1000_pickintr: no I/O interrupt handler (no sio)"); 106121461Sharti#endif 107121461Sharti} 108137199Sharti 109137199Shartiint 110121461Shartiapi_up1000_intr_map(void *icv, pcitag_t bustag, int buspin, int line, pci_intr_handle_t *ihp) 111137199Sharti{ 112121461Sharti struct irongate_config *icc = icv; 113121461Sharti pci_chipset_tag_t pc = &icc->ic_pc; 114137199Sharti int bus, device, function; 115121461Sharti 116121461Sharti if (buspin == 0) { 117137199Sharti /* No IRQ used. */ 118121461Sharti return 1; 119121461Sharti } 120121461Sharti if (buspin > 4) { 121121461Sharti printf("api_up1000_intr_map: bad interrupt pin %d\n", 122121461Sharti buspin); 123121461Sharti return 1; 124121461Sharti } 125121461Sharti 126121461Sharti alpha_pci_decompose_tag(pc, bustag, &bus, &device, &function); 127121461Sharti 128121461Sharti /* 129121461Sharti * The console places the interrupt mapping in the "line" value. 130121461Sharti * A value of (char)-1 indicates there is no mapping. 131121461Sharti */ 132121461Sharti if (line == 0xff) { 133121461Sharti printf("api_up1000_intr_map: no mapping for %d/%d/%d\n", 134121461Sharti bus, device, function); 135121461Sharti return (1); 136121461Sharti } 137121461Sharti 138121461Sharti /* XXX Check for 0? */ 139121461Sharti if (line > 15) { 140121461Sharti printf("api_up1000_intr_map: ISA IRQ too large (%d)\n", 141121461Sharti line); 142121461Sharti return (1); 143121461Sharti } 144121461Sharti if (line == 2) { 145121461Sharti printf("api_up1000_intr_map: changed IRQ 2 to IRQ 9\n"); 146121461Sharti line = 9; 147121461Sharti } 148121461Sharti 149121461Sharti *ihp = line; 150121461Sharti return (0); 151121461Sharti} 152121461Sharti 153121461Sharticonst char * 154121461Shartiapi_up1000_intr_string(void *icv, pci_intr_handle_t ih) 155121461Sharti{ 156121461Sharti#if 0 157121461Sharti struct irongate_config *icp = icv; 158121461Sharti#endif 159121461Sharti 160121461Sharti return sio_intr_string(NULL /*XXX*/, ih); 161121461Sharti} 162121461Sharti 163121461Shartiint 164121461Shartiapi_up1000_intr_line(void *icv, pci_intr_handle_t ih) 165121461Sharti{ 166121461Sharti return sio_intr_line(NULL /*XXX*/, ih); 167121461Sharti} 168121461Sharti 169121461Sharti#if 0 170121461Sharticonst struct evcnt * 171121461Shartiapi_up1000_intr_evcnt(void *icv, pci_intr_handle_t ih) 172121461Sharti{ 173121461Sharti#if 0 174121461Sharti struct irongate_config *icp = icv; 175121461Sharti#endif 176121461Sharti 177121461Sharti return sio_intr_evcnt(NULL /*XXX*/, ih); 178121461Sharti} 179121461Sharti#endif 180121461Sharti 181121461Shartivoid * 182121461Shartiapi_up1000_intr_establish(void *icv, pci_intr_handle_t ih, int level, 183121461Sharti int (*func)(void *), void *arg, char *name) 184121461Sharti{ 185121461Sharti#if 0 186121461Sharti struct irongate_config *icp = icv; 187121461Sharti#endif 188121461Sharti 189121461Sharti return sio_intr_establish(NULL /*XXX*/, ih, IST_LEVEL, level, func, 190121461Sharti arg, name); 191121461Sharti} 192121461Sharti 193121461Shartivoid 194121461Shartiapi_up1000_intr_disestablish(void *icv, void *cookie) 195121461Sharti{ 196121461Sharti#if 0 197121461Sharti struct irongate_config *icp = icv; 198121461Sharti#endif 199121461Sharti 200121461Sharti sio_intr_disestablish(NULL /*XXX*/, cookie); 201121461Sharti} 202121461Sharti 203121461Shartivoid * 204121461Shartiapi_up1000_pciide_compat_intr_establish(void *icv, struct device *dev, 205121461Sharti struct pci_attach_args *pa, int chan, int (*func)(void *), void *arg) 206121461Sharti{ 207121461Sharti pci_chipset_tag_t pc = pa->pa_pc; 208121461Sharti void *cookie = NULL; 209121461Sharti int bus, irq; 210121461Sharti 211121461Sharti alpha_pci_decompose_tag(pc, pa->pa_tag, &bus, NULL, NULL); 212121461Sharti 213121461Sharti /* 214121461Sharti * If this isn't PCI bus #0, all bets are off. 215121461Sharti */ 216121461Sharti if (bus != 0) 217121461Sharti return (NULL); 218121461Sharti 219121461Sharti irq = PCIIDE_COMPAT_IRQ(chan); 220121461Sharti#if NSIO 221121461Sharti cookie = sio_intr_establish(NULL /*XXX*/, irq, IST_EDGE, IPL_BIO, 222121461Sharti func, arg, "up 1000 irq"); 223121461Sharti if (cookie == NULL) 224121461Sharti return (NULL); 225121461Sharti#endif 226121461Sharti return (cookie); 227121461Sharti} 228121461Sharti 229121461Shartivoid 230121461Shartiapi_up1000_pciide_compat_intr_disestablish(void *v, void *cookie) 231121461Sharti{ 232121461Sharti sio_intr_disestablish(NULL, cookie); 233121461Sharti} 234121461Sharti