FreeBSD/Linux Kernel Cross Reference
sys/dev/ar/if_ar_pci.c
1 /*
2 * Copyright (c) 1999 - 2001 John Hay.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $FreeBSD: releng/5.0/sys/dev/ar/if_ar_pci.c 71825 2001-01-30 10:01:15Z jhay $
30 */
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/bus.h>
37 #include <machine/bus.h>
38 #include <machine/resource.h>
39 #include <machine/bus_pio.h>
40 #include <machine/bus_memio.h>
41 #include <sys/rman.h>
42
43 #include <pci/pcireg.h>
44 #include <pci/pcivar.h>
45
46 #include <dev/ic/hd64570.h>
47 #include <dev/ar/if_arregs.h>
48
49 #ifdef TRACE
50 #define TRC(x) x
51 #else
52 #define TRC(x)
53 #endif
54
55 #define TRCL(x) x
56
57 static int ar_pci_probe(device_t);
58 static int ar_pci_attach(device_t);
59
60 static device_method_t ar_pci_methods[] = {
61 /* Device interface */
62 DEVMETHOD(device_probe, ar_pci_probe),
63 DEVMETHOD(device_attach, ar_pci_attach),
64 DEVMETHOD(device_detach, ar_detach),
65 { 0, 0 }
66 };
67
68 static driver_t ar_pci_driver = {
69 "ar",
70 ar_pci_methods,
71 sizeof(struct ar_hardc),
72 };
73
74 DRIVER_MODULE(if_ar, pci, ar_pci_driver, ar_devclass, 0, 0);
75
76 static int
77 ar_pci_probe(device_t device)
78 {
79 u_int32_t type = pci_get_devid(device);
80
81 switch(type) {
82 case 0x5012114f:
83 device_set_desc(device, "Digi SYNC/570i-PCI 2 port");
84 return (0);
85 break;
86 case 0x5010114f:
87 printf("Digi SYNC/570i-PCI 2 port (mapped below 1M)\n");
88 printf("Please change the jumper to select linear mode.\n");
89 break;
90 case 0x5013114f:
91 device_set_desc(device, "Digi SYNC/570i-PCI 4 port");
92 return (0);
93 break;
94 case 0x5011114f:
95 printf("Digi SYNC/570i-PCI 4 port (mapped below 1M)\n");
96 printf("Please change the jumper to select linear mode.\n");
97 break;
98 default:
99 break;
100 }
101 return (ENXIO);
102 }
103
104 static int
105 ar_pci_attach(device_t device)
106 {
107 int error;
108 u_int i, tmp;
109 u_char *inten;
110 struct ar_hardc *hc;
111
112 hc = (struct ar_hardc *)device_get_softc(device);
113 bzero(hc, sizeof(struct ar_hardc));
114
115 error = ar_allocate_plx_memory(device, 0x10, 1);
116 if(error)
117 goto errexit;
118
119 error = ar_allocate_memory(device, 0x18, 1);
120 if(error)
121 goto errexit;
122
123 error = ar_allocate_irq(device, 0, 1);
124 if(error)
125 goto errexit;
126
127 hc->plx_mem = rman_get_virtual(hc->res_plx_memory);
128 hc->mem_start = rman_get_virtual(hc->res_memory);
129
130 hc->cunit = device_get_unit(device);
131 hc->sca[0] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_1_OFFSET);
132 hc->sca[1] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_2_OFFSET);
133 hc->iobase = 0;
134 hc->orbase = (u_char *)(hc->mem_start + AR_PCI_ORBASE_OFFSET);
135
136 tmp = hc->orbase[AR_BMI * 4];
137 hc->bustype = tmp & AR_BUS_MSK;
138 hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT;
139 hc->memsize = 1 << hc->memsize;
140 hc->memsize <<= 16;
141 hc->interface[0] = (tmp & AR_IFACE_MSK);
142 tmp = hc->orbase[AR_REV * 4];
143 hc->revision = tmp & AR_REV_MSK;
144 hc->winsize = (1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT)) * 16 * 1024;
145 hc->mem_end = (caddr_t)(hc->mem_start + hc->winsize);
146 hc->winmsk = hc->winsize - 1;
147 hc->numports = hc->orbase[AR_PNUM * 4];
148 hc->handshake = hc->orbase[AR_HNDSH * 4];
149
150 for(i = 1; i < hc->numports; i++)
151 hc->interface[i] = hc->interface[0];
152
153 TRC(printf("arp%d: bus %x, rev %d, memstart %p, winsize %d, "
154 "winmsk %x, interface %x\n",
155 unit, hc->bustype, hc->revision, hc->mem_start, hc->winsize,
156 hc->winmsk, hc->interface[0]));
157
158 ar_attach(device);
159
160 /* Magic to enable the card to generate interrupts. */
161 inten = (u_char *)hc->plx_mem;
162 inten[0x69] = 0x09;
163
164 return (0);
165
166 errexit:
167 ar_deallocate_resources(device);
168 return (ENXIO);
169 }
170
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