pci_up1000.c revision 1.5.2.2 1 1.5.2.2 bouyer /* $NetBSD: pci_up1000.c,v 1.5.2.2 2000/11/20 19:57:17 bouyer Exp $ */
2 1.5.2.2 bouyer
3 1.5.2.2 bouyer /*-
4 1.5.2.2 bouyer * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 1.5.2.2 bouyer * All rights reserved.
6 1.5.2.2 bouyer *
7 1.5.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation
8 1.5.2.2 bouyer * by Jason R. Thorpe.
9 1.5.2.2 bouyer *
10 1.5.2.2 bouyer * Redistribution and use in source and binary forms, with or without
11 1.5.2.2 bouyer * modification, are permitted provided that the following conditions
12 1.5.2.2 bouyer * are met:
13 1.5.2.2 bouyer * 1. Redistributions of source code must retain the above copyright
14 1.5.2.2 bouyer * notice, this list of conditions and the following disclaimer.
15 1.5.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright
16 1.5.2.2 bouyer * notice, this list of conditions and the following disclaimer in the
17 1.5.2.2 bouyer * documentation and/or other materials provided with the distribution.
18 1.5.2.2 bouyer * 3. All advertising materials mentioning features or use of this software
19 1.5.2.2 bouyer * must display the following acknowledgement:
20 1.5.2.2 bouyer * This product includes software developed by the NetBSD
21 1.5.2.2 bouyer * Foundation, Inc. and its contributors.
22 1.5.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.5.2.2 bouyer * contributors may be used to endorse or promote products derived
24 1.5.2.2 bouyer * from this software without specific prior written permission.
25 1.5.2.2 bouyer *
26 1.5.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.5.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.5.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.5.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.5.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.5.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.5.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.5.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.5.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.5.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.5.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE.
37 1.5.2.2 bouyer */
38 1.5.2.2 bouyer
39 1.5.2.2 bouyer #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
40 1.5.2.2 bouyer
41 1.5.2.2 bouyer __KERNEL_RCSID(0, "$NetBSD: pci_up1000.c,v 1.5.2.2 2000/11/20 19:57:17 bouyer Exp $");
42 1.5.2.2 bouyer
43 1.5.2.2 bouyer #include <sys/types.h>
44 1.5.2.2 bouyer #include <sys/param.h>
45 1.5.2.2 bouyer #include <sys/time.h>
46 1.5.2.2 bouyer #include <sys/systm.h>
47 1.5.2.2 bouyer #include <sys/errno.h>
48 1.5.2.2 bouyer #include <sys/device.h>
49 1.5.2.2 bouyer
50 1.5.2.2 bouyer #include <uvm/uvm_extern.h>
51 1.5.2.2 bouyer
52 1.5.2.2 bouyer #include <machine/autoconf.h>
53 1.5.2.2 bouyer #include <machine/bus.h>
54 1.5.2.2 bouyer #include <machine/intr.h>
55 1.5.2.2 bouyer
56 1.5.2.2 bouyer #include <dev/isa/isavar.h>
57 1.5.2.2 bouyer
58 1.5.2.2 bouyer #include <dev/pci/pcireg.h>
59 1.5.2.2 bouyer #include <dev/pci/pcivar.h>
60 1.5.2.2 bouyer #include <dev/pci/pciidereg.h>
61 1.5.2.2 bouyer #include <dev/pci/pciidevar.h>
62 1.5.2.2 bouyer
63 1.5.2.2 bouyer #include <alpha/pci/irongatevar.h>
64 1.5.2.2 bouyer
65 1.5.2.2 bouyer #include <alpha/pci/pci_up1000.h>
66 1.5.2.2 bouyer #include <alpha/pci/siovar.h>
67 1.5.2.2 bouyer #include <alpha/pci/sioreg.h>
68 1.5.2.2 bouyer
69 1.5.2.2 bouyer #include "sio.h"
70 1.5.2.2 bouyer
71 1.5.2.2 bouyer int api_up1000_intr_map(void *, pcitag_t, int, int, pci_intr_handle_t *);
72 1.5.2.2 bouyer const char *api_up1000_intr_string(void *, pci_intr_handle_t);
73 1.5.2.2 bouyer const struct evcnt *api_up1000_intr_evcnt(void *, pci_intr_handle_t);
74 1.5.2.2 bouyer void *api_up1000_intr_establish(void *, pci_intr_handle_t,
75 1.5.2.2 bouyer int, int (*func)(void *), void *);
76 1.5.2.2 bouyer void api_up1000_intr_disestablish(void *, void *);
77 1.5.2.2 bouyer
78 1.5.2.2 bouyer void *api_up1000_pciide_compat_intr_establish(void *, struct device *,
79 1.5.2.2 bouyer struct pci_attach_args *, int, int (*)(void *), void *);
80 1.5.2.2 bouyer
81 1.5.2.2 bouyer void
82 1.5.2.2 bouyer pci_up1000_pickintr(struct irongate_config *icp)
83 1.5.2.2 bouyer {
84 1.5.2.2 bouyer bus_space_tag_t iot = &icp->ic_iot;
85 1.5.2.2 bouyer pci_chipset_tag_t pc = &icp->ic_pc;
86 1.5.2.2 bouyer
87 1.5.2.2 bouyer pc->pc_intr_v = icp;
88 1.5.2.2 bouyer pc->pc_intr_map = api_up1000_intr_map;
89 1.5.2.2 bouyer pc->pc_intr_string = api_up1000_intr_string;
90 1.5.2.2 bouyer pc->pc_intr_evcnt = api_up1000_intr_evcnt;
91 1.5.2.2 bouyer pc->pc_intr_establish = api_up1000_intr_establish;
92 1.5.2.2 bouyer pc->pc_intr_disestablish = api_up1000_intr_disestablish;
93 1.5.2.2 bouyer
94 1.5.2.2 bouyer pc->pc_pciide_compat_intr_establish =
95 1.5.2.2 bouyer api_up1000_pciide_compat_intr_establish;
96 1.5.2.2 bouyer
97 1.5.2.2 bouyer #if NSIO
98 1.5.2.2 bouyer sio_intr_setup(pc, iot);
99 1.5.2.2 bouyer set_iointr(&sio_iointr);
100 1.5.2.2 bouyer #else
101 1.5.2.2 bouyer panic("pci_up1000_pickintr: no I/O interrupt handler (no sio)");
102 1.5.2.2 bouyer #endif
103 1.5.2.2 bouyer }
104 1.5.2.2 bouyer
105 1.5.2.2 bouyer int
106 1.5.2.2 bouyer api_up1000_intr_map(void *icv, pcitag_t bustag, int buspin, int line,
107 1.5.2.2 bouyer pci_intr_handle_t *ihp)
108 1.5.2.2 bouyer {
109 1.5.2.2 bouyer struct irongate_config *icp = icv;
110 1.5.2.2 bouyer pci_chipset_tag_t pc = &icp->ic_pc;
111 1.5.2.2 bouyer int bus, device, function;
112 1.5.2.2 bouyer
113 1.5.2.2 bouyer if (buspin == 0) {
114 1.5.2.2 bouyer /* No IRQ used. */
115 1.5.2.2 bouyer return 1;
116 1.5.2.2 bouyer }
117 1.5.2.2 bouyer if (buspin > 4) {
118 1.5.2.2 bouyer printf("api_up1000_intr_map: bad interrupt pin %d\n",
119 1.5.2.2 bouyer buspin);
120 1.5.2.2 bouyer return 1;
121 1.5.2.2 bouyer }
122 1.5.2.2 bouyer
123 1.5.2.2 bouyer alpha_pci_decompose_tag(pc, bustag, &bus, &device, &function);
124 1.5.2.2 bouyer
125 1.5.2.2 bouyer /*
126 1.5.2.2 bouyer * The console places the interrupt mapping in the "line" value.
127 1.5.2.2 bouyer * A value of (char)-1 indicates there is no mapping.
128 1.5.2.2 bouyer */
129 1.5.2.2 bouyer if (line == 0xff) {
130 1.5.2.2 bouyer printf("api_up1000_intr_map: no mapping for %d/%d/%d\n",
131 1.5.2.2 bouyer bus, device, function);
132 1.5.2.2 bouyer return (1);
133 1.5.2.2 bouyer }
134 1.5.2.2 bouyer
135 1.5.2.2 bouyer /* XXX Check for 0? */
136 1.5.2.2 bouyer if (line > 15) {
137 1.5.2.2 bouyer printf("api_up1000_intr_map: ISA IRQ too large (%d)\n",
138 1.5.2.2 bouyer line);
139 1.5.2.2 bouyer return (1);
140 1.5.2.2 bouyer }
141 1.5.2.2 bouyer if (line == 2) {
142 1.5.2.2 bouyer printf("api_up1000_intr_map: changed IRQ 2 to IRQ 9\n");
143 1.5.2.2 bouyer line = 9;
144 1.5.2.2 bouyer }
145 1.5.2.2 bouyer
146 1.5.2.2 bouyer *ihp = line;
147 1.5.2.2 bouyer return (0);
148 1.5.2.2 bouyer }
149 1.5.2.2 bouyer
150 1.5.2.2 bouyer const char *
151 1.5.2.2 bouyer api_up1000_intr_string(void *icv, pci_intr_handle_t ih)
152 1.5.2.2 bouyer {
153 1.5.2.2 bouyer #if 0
154 1.5.2.2 bouyer struct irongate_config *icp = icv;
155 1.5.2.2 bouyer #endif
156 1.5.2.2 bouyer
157 1.5.2.2 bouyer return sio_intr_string(NULL /*XXX*/, ih);
158 1.5.2.2 bouyer }
159 1.5.2.2 bouyer
160 1.5.2.2 bouyer const struct evcnt *
161 1.5.2.2 bouyer api_up1000_intr_evcnt(void *icv, pci_intr_handle_t ih)
162 1.5.2.2 bouyer {
163 1.5.2.2 bouyer #if 0
164 1.5.2.2 bouyer struct irongate_config *icp = icv;
165 1.5.2.2 bouyer #endif
166 1.5.2.2 bouyer
167 1.5.2.2 bouyer return sio_intr_evcnt(NULL /*XXX*/, ih);
168 1.5.2.2 bouyer }
169 1.5.2.2 bouyer
170 1.5.2.2 bouyer void *
171 1.5.2.2 bouyer api_up1000_intr_establish(void *icv, pci_intr_handle_t ih, int level,
172 1.5.2.2 bouyer int (*func)(void *), void *arg)
173 1.5.2.2 bouyer {
174 1.5.2.2 bouyer #if 0
175 1.5.2.2 bouyer struct irongate_config *icp = icv;
176 1.5.2.2 bouyer #endif
177 1.5.2.2 bouyer
178 1.5.2.2 bouyer return sio_intr_establish(NULL /*XXX*/, ih, IST_LEVEL, level, func,
179 1.5.2.2 bouyer arg);
180 1.5.2.2 bouyer }
181 1.5.2.2 bouyer
182 1.5.2.2 bouyer void
183 1.5.2.2 bouyer api_up1000_intr_disestablish(void *icv, void *cookie)
184 1.5.2.2 bouyer {
185 1.5.2.2 bouyer #if 0
186 1.5.2.2 bouyer struct irongate_config *icp = icv;
187 1.5.2.2 bouyer #endif
188 1.5.2.2 bouyer
189 1.5.2.2 bouyer sio_intr_disestablish(NULL /*XXX*/, cookie);
190 1.5.2.2 bouyer }
191 1.5.2.2 bouyer
192 1.5.2.2 bouyer void *
193 1.5.2.2 bouyer api_up1000_pciide_compat_intr_establish(void *icv, struct device *dev,
194 1.5.2.2 bouyer struct pci_attach_args *pa, int chan, int (*func)(void *), void *arg)
195 1.5.2.2 bouyer {
196 1.5.2.2 bouyer pci_chipset_tag_t pc = pa->pa_pc;
197 1.5.2.2 bouyer void *cookie = NULL;
198 1.5.2.2 bouyer int bus, irq;
199 1.5.2.2 bouyer
200 1.5.2.2 bouyer alpha_pci_decompose_tag(pc, pa->pa_tag, &bus, NULL, NULL);
201 1.5.2.2 bouyer
202 1.5.2.2 bouyer /*
203 1.5.2.2 bouyer * If this isn't PCI bus #0, all bets are off.
204 1.5.2.2 bouyer */
205 1.5.2.2 bouyer if (bus != 0)
206 1.5.2.2 bouyer return (NULL);
207 1.5.2.2 bouyer
208 1.5.2.2 bouyer irq = PCIIDE_COMPAT_IRQ(chan);
209 1.5.2.2 bouyer #if NSIO
210 1.5.2.2 bouyer cookie = sio_intr_establish(NULL /*XXX*/, irq, IST_EDGE, IPL_BIO,
211 1.5.2.2 bouyer func, arg);
212 1.5.2.2 bouyer if (cookie == NULL)
213 1.5.2.2 bouyer return (NULL);
214 1.5.2.2 bouyer printf("%s: %s channel interrupting at %s\n", dev->dv_xname,
215 1.5.2.2 bouyer PCIIDE_CHANNEL_NAME(chan), sio_intr_string(NULL /*XXX*/, irq));
216 1.5.2.2 bouyer #endif
217 1.5.2.2 bouyer return (cookie);
218 1.5.2.2 bouyer }
219