Do a major clean-up of the BUSDMA architecture. A large number of
[dragonfly.git] / sys / net / i4b / capi / iavc / iavc_pci.c
CommitLineData
984263bc
MD
1/*
2 * Copyright (c) 2001 Cubical Solutions Ltd. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * capi/iavc/iavc_pci.c
26 * The AVM ISDN controllers' PCI bus attachment handling.
27 *
28 * $FreeBSD: src/sys/i4b/capi/iavc/iavc_pci.c,v 1.1.2.1 2001/08/10 14:08:34 obrien Exp $
1f7ab7c9 29 * $DragonFly: src/sys/net/i4b/capi/iavc/iavc_pci.c,v 1.9 2006/10/25 20:56:03 dillon Exp $
984263bc
MD
30 */
31
984263bc
MD
32#include <sys/param.h>
33#include <sys/kernel.h>
34#include <sys/systm.h>
35#include <sys/mbuf.h>
36#include <sys/socket.h>
1f7ab7c9
MD
37#include <sys/bus.h>
38#include <sys/rman.h>
984263bc
MD
39
40#include <machine/clock.h>
41
984263bc
MD
42#include <vm/vm.h>
43#include <vm/pmap.h>
44
1f2de5d4
MD
45#include <bus/pci/pcireg.h>
46#include <bus/pci/pcivar.h>
984263bc 47
1f7ab7c9 48#include <net/if.h>
d2438d69
MD
49#include <net/i4b/include/machine/i4b_debug.h>
50#include <net/i4b/include/machine/i4b_ioctl.h>
51#include <net/i4b/include/machine/i4b_trace.h>
984263bc 52
1f2de5d4
MD
53#include "../../include/i4b_global.h"
54#include "../../include/i4b_l3l4.h"
55#include "../../include/i4b_mbuf.h"
56#include "../capi.h"
984263bc 57
1f2de5d4 58#include "iavc.h"
984263bc
MD
59
60/* PCI device ids */
61
62#define PCI_AVM_VID 0x1244
63#define PCI_AVMT1_DID 0x1200
64#define PCI_AVMB1_DID 0x0700
65
66/* PCI driver linkage */
67
68static void iavc_pci_intr(iavc_softc_t *sc);
69static int iavc_pci_probe(device_t dev);
70static int iavc_pci_attach(device_t dev);
71
72static device_method_t iavc_pci_methods[] =
73{
74 DEVMETHOD(device_probe, iavc_pci_probe),
75 DEVMETHOD(device_attach, iavc_pci_attach),
76 { 0, 0 }
77};
78
79static driver_t iavc_pci_driver =
80{
81 "iavc",
82 iavc_pci_methods,
83 0
84};
85
86static devclass_t iavc_pci_devclass;
87
88DRIVER_MODULE(iavc, pci, iavc_pci_driver, iavc_pci_devclass, 0, 0);
89
90/* Driver soft contexts */
91
92iavc_softc_t iavc_sc[IAVC_MAXUNIT];
93
94/*---------------------------------------------------------------------------*
95 *
96 *---------------------------------------------------------------------------*/
97
98static int
99iavc_pci_probe(device_t dev)
100{
101 u_int16_t did = pci_get_device(dev);
102 u_int16_t vid = pci_get_vendor(dev);
103
104 if ((vid == PCI_AVM_VID) && (did == PCI_AVMT1_DID)) {
105 device_set_desc(dev, "AVM T1 PCI");
106 } else if ((vid == PCI_AVM_VID) && (did == PCI_AVMB1_DID)) {
107 device_set_desc(dev, "AVM B1 PCI");
108 } else {
109 return(ENXIO);
110 }
111
112 return(0);
113}
114
115/*---------------------------------------------------------------------------*
116 *
117 *---------------------------------------------------------------------------*/
118
119static int
120iavc_pci_attach(device_t dev)
121{
122 struct iavc_softc *sc;
123 void *ih = 0;
124 u_int16_t did = pci_get_device(dev);
125 int unit = device_get_unit(dev), ret;
e9cb6d99 126 int error;
984263bc
MD
127
128 /* check max unit range */
129
130 if (unit >= IAVC_MAXUNIT) {
131 printf("iavc%d: too many units\n", unit);
132 return(ENXIO);
133 }
134
135 sc = iavc_find_sc(unit); /* get softc */
136
137 sc->sc_unit = unit;
138
139 /* use the i/o mapped base address */
140
141 sc->sc_resources.io_rid[0] = 0x14;
142
143 if (!(sc->sc_resources.io_base[0] =
144 bus_alloc_resource(dev, SYS_RES_IOPORT,
145 &sc->sc_resources.io_rid[0],
146 0UL, ~0UL, 1, RF_ACTIVE))) {
147 printf("iavc%d: can't allocate io region\n", unit);
148 return(ENXIO);
149 }
150
151 sc->sc_iobase = rman_get_start(sc->sc_resources.io_base[0]);
152 sc->sc_io_bt = rman_get_bustag(sc->sc_resources.io_base[0]);
153 sc->sc_io_bh = rman_get_bushandle(sc->sc_resources.io_base[0]);
154
155 /* use the memory mapped DMA controller */
156
157 sc->sc_resources.mem_rid = 0x10;
158
159 if (!(sc->sc_resources.mem =
160 bus_alloc_resource(dev, SYS_RES_MEMORY,
161 &sc->sc_resources.mem_rid,
162 0UL, ~0UL, 1, RF_ACTIVE))) {
163 printf("iavc%d: can't allocate memory region\n", unit);
164 return(ENXIO);
165 }
166
167 sc->sc_membase = rman_get_start(sc->sc_resources.mem);
168 sc->sc_mem_bt = rman_get_bustag(sc->sc_resources.mem);
169 sc->sc_mem_bh = rman_get_bushandle(sc->sc_resources.mem);
170
171 /* do some detection */
172
173 sc->sc_t1 = FALSE;
174 sc->sc_dma = FALSE;
175 b1dma_reset(sc);
176
177 if (did == PCI_AVMT1_DID) {
178 sc->sc_capi.card_type = CARD_TYPEC_AVM_T1_PCI;
179 sc->sc_capi.sc_nbch = 30;
180 ret = t1_detect(sc);
181 if (ret) {
182 if (ret < 6) {
183 printf("iavc%d: no card detected?\n", sc->sc_unit);
184 } else {
185 printf("iavc%d: black box not on\n", sc->sc_unit);
186 }
187 return(ENXIO);
188 } else {
189 sc->sc_dma = TRUE;
190 sc->sc_t1 = TRUE;
191 }
192
193 } else if (did == PCI_AVMB1_DID) {
194 sc->sc_capi.card_type = CARD_TYPEC_AVM_B1_PCI;
195 sc->sc_capi.sc_nbch = 2;
196 ret = b1dma_detect(sc);
197 if (ret) {
198 ret = b1_detect(sc);
199 if (ret) {
200 printf("iavc%d: no card detected?\n", sc->sc_unit);
201 return(ENXIO);
202 }
203 } else {
204 sc->sc_dma = TRUE;
205 }
206 }
207
208 if (sc->sc_dma) b1dma_reset(sc);
209#if 0
210 if (sc->sc_t1) t1_reset(sc);
211 else b1_reset(sc);
212#endif
213
214 /* of course we need an interrupt */
215
216 sc->sc_resources.irq_rid = 0x00;
217
218 if(!(sc->sc_resources.irq =
219 bus_alloc_resource(dev, SYS_RES_IRQ,
220 &sc->sc_resources.irq_rid,
221 0UL, ~0UL, 1, RF_SHAREABLE|RF_ACTIVE))) {
222 printf("iavc%d: can't allocate irq\n",unit);
223 return(ENXIO);
224 }
225
226 /* finalize our own context */
227
228 memset(&sc->sc_txq, 0, sizeof(struct ifqueue));
229 sc->sc_txq.ifq_maxlen = sc->sc_capi.sc_nbch * 4;
230
984263bc
MD
231 sc->sc_intr = FALSE;
232 sc->sc_state = IAVC_DOWN;
233 sc->sc_blocked = FALSE;
234
235 /* setup capi link */
236
237 sc->sc_capi.load = iavc_load;
238 sc->sc_capi.reg_appl = iavc_register;
239 sc->sc_capi.rel_appl = iavc_release;
240 sc->sc_capi.send = iavc_send;
241 sc->sc_capi.ctx = (void*) sc;
242
243 if (capi_ll_attach(&sc->sc_capi)) {
244 printf("iavc%d: capi attach failed\n", unit);
245 return(ENXIO);
246 }
247
248 /* setup the interrupt */
249
ee61f228 250 error = bus_setup_intr(dev, sc->sc_resources.irq, 0,
e9cb6d99
MD
251 (void(*)(void*))iavc_pci_intr,
252 sc, &ih, NULL);
253 if (error) {
984263bc
MD
254 printf("iavc%d: irq setup failed\n", unit);
255 return(ENXIO);
256 }
257
258 /* the board is now ready to be loaded */
259
260 return(0);
261}
262
263/*---------------------------------------------------------------------------*
264 * IRQ handler
265 *---------------------------------------------------------------------------*/
266
267static void
268iavc_pci_intr(struct iavc_softc *sc)
269{
270 iavc_handle_intr(sc);
271}