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
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD: releng/5.2/sys/dev/ar/if_ar_pci.c 119418 2003-08-24 17:55:58Z obrien $");
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/malloc.h>
37 #include <sys/bus.h>
38 #include <machine/bus.h>
39 #include <machine/resource.h>
40 #include <machine/bus_pio.h>
41 #include <machine/bus_memio.h>
42 #include <sys/rman.h>
43
44 #include <dev/pci/pcireg.h>
45 #include <dev/pci/pcivar.h>
46
47 #include <dev/ic/hd64570.h>
48 #include <dev/ar/if_arregs.h>
49
50 #ifdef TRACE
51 #define TRC(x) x
52 #else
53 #define TRC(x)
54 #endif
55
56 #define TRCL(x) x
57
58 static int ar_pci_probe(device_t);
59 static int ar_pci_attach(device_t);
60
61 static device_method_t ar_pci_methods[] = {
62 /* Device interface */
63 DEVMETHOD(device_probe, ar_pci_probe),
64 DEVMETHOD(device_attach, ar_pci_attach),
65 DEVMETHOD(device_detach, ar_detach),
66 { 0, 0 }
67 };
68
69 static driver_t ar_pci_driver = {
70 "ar",
71 ar_pci_methods,
72 sizeof(struct ar_hardc),
73 };
74
75 DRIVER_MODULE(ar, pci, ar_pci_driver, ar_devclass, 0, 0);
76 MODULE_DEPEND(ar, pci, 1, 1, 1);
77
78 static int
79 ar_pci_probe(device_t device)
80 {
81 u_int32_t type = pci_get_devid(device);
82
83 switch(type) {
84 case 0x5012114f:
85 device_set_desc(device, "Digi SYNC/570i-PCI 2 port");
86 return (0);
87 break;
88 case 0x5010114f:
89 printf("Digi SYNC/570i-PCI 2 port (mapped below 1M)\n");
90 printf("Please change the jumper to select linear mode.\n");
91 break;
92 case 0x5013114f:
93 device_set_desc(device, "Digi SYNC/570i-PCI 4 port");
94 return (0);
95 break;
96 case 0x5011114f:
97 printf("Digi SYNC/570i-PCI 4 port (mapped below 1M)\n");
98 printf("Please change the jumper to select linear mode.\n");
99 break;
100 default:
101 break;
102 }
103 return (ENXIO);
104 }
105
106 static int
107 ar_pci_attach(device_t device)
108 {
109 int error;
110 u_int i, tmp;
111 struct ar_hardc *hc;
112
113 hc = (struct ar_hardc *)device_get_softc(device);
114 bzero(hc, sizeof(struct ar_hardc));
115
116 error = ar_allocate_plx_memory(device, 0x10, 1);
117 if(error)
118 goto errexit;
119
120 error = ar_allocate_memory(device, 0x18, 1);
121 if(error)
122 goto errexit;
123
124 error = ar_allocate_irq(device, 0, 1);
125 if(error)
126 goto errexit;
127
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->orbase = (u_char *)(hc->mem_start + AR_PCI_ORBASE_OFFSET);
134
135 tmp = hc->orbase[AR_BMI * 4];
136 hc->bustype = tmp & AR_BUS_MSK;
137 hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT;
138 hc->memsize = 1 << hc->memsize;
139 hc->memsize <<= 16;
140 hc->interface[0] = (tmp & AR_IFACE_MSK);
141 tmp = hc->orbase[AR_REV * 4];
142 hc->revision = tmp & AR_REV_MSK;
143 hc->winsize = (1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT)) * 16 * 1024;
144 hc->mem_end = (caddr_t)(hc->mem_start + hc->winsize);
145 hc->winmsk = hc->winsize - 1;
146 hc->numports = hc->orbase[AR_PNUM * 4];
147 hc->handshake = hc->orbase[AR_HNDSH * 4];
148
149 for(i = 1; i < hc->numports; i++)
150 hc->interface[i] = hc->interface[0];
151
152 TRC(printf("arp%d: bus %x, rev %d, memstart %p, winsize %d, "
153 "winmsk %x, interface %x\n",
154 unit, hc->bustype, hc->revision, hc->mem_start, hc->winsize,
155 hc->winmsk, hc->interface[0]));
156
157 ar_attach(device);
158
159 /* Magic to enable the card to generate interrupts. */
160 bus_space_write_1(rman_get_bustag(hc->res_plx_memory),
161 rman_get_bushandle(hc->res_plx_memory), 0x69, 0x09);
162
163 return (0);
164
165 errexit:
166 ar_deallocate_resources(device);
167 return (ENXIO);
168 }
169
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