Do a major clean-up of the BUSDMA architecture. A large number of
[dragonfly.git] / sys / dev / netif / ar / if_ar_pci.c
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ff1a487c 1/*-
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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 *
ff1a487c 29 * $FreeBSD: src/sys/dev/ar/if_ar_pci.c,v 1.11 2004/05/30 20:08:26 phk Exp $
1f7ab7c9 30 * $DragonFly: src/sys/dev/netif/ar/if_ar_pci.c,v 1.6 2006/10/25 20:55:55 dillon Exp $
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31 */
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/malloc.h>
ff1a487c 37#include <sys/module.h>
984263bc 38#include <sys/bus.h>
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39#include <sys/rman.h>
40
93a83f77 41#include <bus/pci/pcidevs.h>
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42#include <bus/pci/pcireg.h>
43#include <bus/pci/pcivar.h>
984263bc 44
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45#include <dev/netif/ic_layer/hd64570.h>
46#include <dev/netif/ar/if_arregs.h>
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47
48#ifdef TRACE
49#define TRC(x) x
50#else
51#define TRC(x)
52#endif
53
54#define TRCL(x) x
55
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56static struct ar_type {
57 uint16_t ar_vid;
58 uint16_t ar_did;
59 const char *ar_name;
60 const char *ar_errmsg;
61} ar_devs[] = {
62 { PCI_VENDOR_DIGI, PCI_PRODUCT_DIGI_SYNC570I_2P,
63 "Digi SYNC/570i-PCI 2 port",
64 NULL },
65 { PCI_VENDOR_DIGI, PCI_PRODUCT_DIGI_SYNC570I_2PB1,
66 "Digi SYNC/570i-PCI 2 port (mapped below 1M)",
67 "Please change the jumper to select linear mode." },
68 { PCI_VENDOR_DIGI, PCI_PRODUCT_DIGI_SYNC570I_4P,
69 "Digi SYNC/570i-PCI 4 port",
70 NULL },
71 { PCI_VENDOR_DIGI, PCI_PRODUCT_DIGI_SYNC570I_4PB1,
72 "Digi SYNC/570i-PCI 4 port (mapped below 1M)",
73 "Please change the jumper to select linear mode." },
74 { 0, 0, NULL }
75};
76
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77static int ar_pci_probe(device_t);
78static int ar_pci_attach(device_t);
79
80static device_method_t ar_pci_methods[] = {
81 /* Device interface */
82 DEVMETHOD(device_probe, ar_pci_probe),
83 DEVMETHOD(device_attach, ar_pci_attach),
84 DEVMETHOD(device_detach, ar_detach),
85 { 0, 0 }
86};
87
88static driver_t ar_pci_driver = {
89 "ar",
90 ar_pci_methods,
91 sizeof(struct ar_hardc),
92};
93
94DRIVER_MODULE(if_ar, pci, ar_pci_driver, ar_devclass, 0, 0);
95
96static int
97ar_pci_probe(device_t device)
98{
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99 struct ar_type *t;
100 uint16_t product = pci_get_device(device);
101 uint16_t vendor = pci_get_vendor(device);
102
103 for (t = ar_devs; t->ar_name != NULL; t++) {
104 if (vendor == t->ar_vid && product == t->ar_did) {
105 if (t->ar_errmsg != NULL) {
106 printf("%s\n%s\n", t->ar_name, t->ar_errmsg);
107 return(ENXIO);
108 } else {
109 device_set_desc(device, t->ar_name);
110 return(0);
111 }
112 }
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113 }
114 return (ENXIO);
115}
116
117static int
118ar_pci_attach(device_t device)
119{
120 int error;
121 u_int i, tmp;
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122 struct ar_hardc *hc;
123
124 hc = (struct ar_hardc *)device_get_softc(device);
125 bzero(hc, sizeof(struct ar_hardc));
126
127 error = ar_allocate_plx_memory(device, 0x10, 1);
128 if(error)
129 goto errexit;
130
131 error = ar_allocate_memory(device, 0x18, 1);
132 if(error)
133 goto errexit;
134
135 error = ar_allocate_irq(device, 0, 1);
136 if(error)
137 goto errexit;
138
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139 hc->mem_start = rman_get_virtual(hc->res_memory);
140
141 hc->cunit = device_get_unit(device);
142 hc->sca[0] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_1_OFFSET);
143 hc->sca[1] = (sca_regs *)(hc->mem_start + AR_PCI_SCA_2_OFFSET);
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144 hc->orbase = (u_char *)(hc->mem_start + AR_PCI_ORBASE_OFFSET);
145
146 tmp = hc->orbase[AR_BMI * 4];
147 hc->bustype = tmp & AR_BUS_MSK;
148 hc->memsize = (tmp & AR_MEM_MSK) >> AR_MEM_SHFT;
149 hc->memsize = 1 << hc->memsize;
150 hc->memsize <<= 16;
151 hc->interface[0] = (tmp & AR_IFACE_MSK);
152 tmp = hc->orbase[AR_REV * 4];
153 hc->revision = tmp & AR_REV_MSK;
154 hc->winsize = (1 << ((tmp & AR_WSIZ_MSK) >> AR_WSIZ_SHFT)) * 16 * 1024;
155 hc->mem_end = (caddr_t)(hc->mem_start + hc->winsize);
156 hc->winmsk = hc->winsize - 1;
157 hc->numports = hc->orbase[AR_PNUM * 4];
158 hc->handshake = hc->orbase[AR_HNDSH * 4];
159
160 for(i = 1; i < hc->numports; i++)
161 hc->interface[i] = hc->interface[0];
162
163 TRC(printf("arp%d: bus %x, rev %d, memstart %p, winsize %d, "
164 "winmsk %x, interface %x\n",
165 unit, hc->bustype, hc->revision, hc->mem_start, hc->winsize,
166 hc->winmsk, hc->interface[0]));
167
168 ar_attach(device);
169
170 /* Magic to enable the card to generate interrupts. */
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171 bus_space_write_1(rman_get_bustag(hc->res_plx_memory),
172 rman_get_bushandle(hc->res_plx_memory), 0x69, 0x09);
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173
174 return (0);
175
176errexit:
177 ar_deallocate_resources(device);
178 return (ENXIO);
179}
180