ahc_cardbus.c revision 1.9 1 1.9 thorpej /* $NetBSD: ahc_cardbus.c,v 1.9 2002/10/02 16:33:40 thorpej Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*-
4 1.1 thorpej * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 1.1 thorpej * All rights reserved.
6 1.1 thorpej *
7 1.1 thorpej * This code is derived from software contributed to The NetBSD Foundation
8 1.1 thorpej * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 1.1 thorpej * NASA Ames Research Center.
10 1.1 thorpej *
11 1.1 thorpej * Redistribution and use in source and binary forms, with or without
12 1.1 thorpej * modification, are permitted provided that the following conditions
13 1.1 thorpej * are met:
14 1.1 thorpej * 1. Redistributions of source code must retain the above copyright
15 1.1 thorpej * notice, this list of conditions and the following disclaimer.
16 1.1 thorpej * 2. Redistributions in binary form must reproduce the above copyright
17 1.1 thorpej * notice, this list of conditions and the following disclaimer in the
18 1.1 thorpej * documentation and/or other materials provided with the distribution.
19 1.1 thorpej * 3. All advertising materials mentioning features or use of this software
20 1.1 thorpej * must display the following acknowledgement:
21 1.1 thorpej * This product includes software developed by the NetBSD
22 1.1 thorpej * Foundation, Inc. and its contributors.
23 1.1 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its
24 1.1 thorpej * contributors may be used to endorse or promote products derived
25 1.1 thorpej * from this software without specific prior written permission.
26 1.1 thorpej *
27 1.1 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 1.1 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 1.1 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 1.1 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 1.1 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 1.1 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 1.1 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 1.1 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 1.1 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 1.1 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 1.1 thorpej * POSSIBILITY OF SUCH DAMAGE.
38 1.1 thorpej */
39 1.1 thorpej
40 1.1 thorpej /*
41 1.1 thorpej * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers.
42 1.1 thorpej *
43 1.1 thorpej * TODO:
44 1.1 thorpej * - power management
45 1.1 thorpej */
46 1.5 lukem
47 1.5 lukem #include <sys/cdefs.h>
48 1.9 thorpej __KERNEL_RCSID(0, "$NetBSD: ahc_cardbus.c,v 1.9 2002/10/02 16:33:40 thorpej Exp $");
49 1.1 thorpej
50 1.1 thorpej #include <sys/param.h>
51 1.1 thorpej #include <sys/systm.h>
52 1.1 thorpej #include <sys/malloc.h>
53 1.1 thorpej #include <sys/kernel.h>
54 1.1 thorpej #include <sys/queue.h>
55 1.1 thorpej #include <sys/device.h>
56 1.1 thorpej
57 1.1 thorpej #include <machine/bus.h>
58 1.1 thorpej #include <machine/intr.h>
59 1.1 thorpej
60 1.1 thorpej #include <dev/scsipi/scsi_all.h>
61 1.1 thorpej #include <dev/scsipi/scsipi_all.h>
62 1.1 thorpej #include <dev/scsipi/scsiconf.h>
63 1.1 thorpej
64 1.1 thorpej #include <dev/pci/pcireg.h>
65 1.1 thorpej
66 1.1 thorpej #include <dev/cardbus/cardbusvar.h>
67 1.1 thorpej #include <dev/cardbus/cardbusdevs.h>
68 1.1 thorpej
69 1.1 thorpej #include <dev/ic/aic7xxxvar.h>
70 1.1 thorpej
71 1.3 enami #include <dev/microcode/aic7xxx/aic7xxx_reg.h>
72 1.3 enami
73 1.1 thorpej #define AHC_CARDBUS_IOBA 0x10
74 1.1 thorpej #define AHC_CARDBUS_MMBA 0x14
75 1.1 thorpej
76 1.1 thorpej struct ahc_cardbus_softc {
77 1.2 fvdl struct ahc_softc sc_ahc; /* real AHC */
78 1.1 thorpej
79 1.1 thorpej /* CardBus-specific goo. */
80 1.1 thorpej cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */
81 1.1 thorpej int sc_intrline; /* our interrupt line */
82 1.1 thorpej cardbustag_t sc_tag;
83 1.1 thorpej
84 1.1 thorpej int sc_cbenable; /* what CardBus access type to enable */
85 1.1 thorpej int sc_csr; /* CSR bits */
86 1.6 ichiro bus_size_t sc_size;
87 1.1 thorpej };
88 1.1 thorpej
89 1.1 thorpej int ahc_cardbus_match __P((struct device *, struct cfdata *, void *));
90 1.1 thorpej void ahc_cardbus_attach __P((struct device *, struct device *, void *));
91 1.6 ichiro int ahc_cardbus_detach __P((struct device *, int));
92 1.1 thorpej
93 1.8 thorpej CFATTACH_DECL(ahc_cardbus, sizeof(struct ahc_cardbus_softc),
94 1.9 thorpej ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, ahc_activate);
95 1.1 thorpej
96 1.1 thorpej int
97 1.1 thorpej ahc_cardbus_match(parent, match, aux)
98 1.1 thorpej struct device *parent;
99 1.1 thorpej struct cfdata *match;
100 1.1 thorpej void *aux;
101 1.1 thorpej {
102 1.1 thorpej struct cardbus_attach_args *ca = aux;
103 1.1 thorpej
104 1.1 thorpej if (CARDBUS_VENDOR(ca->ca_id) == CARDBUS_VENDOR_ADP &&
105 1.1 thorpej CARDBUS_PRODUCT(ca->ca_id) == CARDBUS_PRODUCT_ADP_1480)
106 1.1 thorpej return (1);
107 1.1 thorpej
108 1.1 thorpej return (0);
109 1.1 thorpej }
110 1.1 thorpej
111 1.1 thorpej void
112 1.1 thorpej ahc_cardbus_attach(parent, self, aux)
113 1.1 thorpej struct device *parent, *self;
114 1.1 thorpej void *aux;
115 1.1 thorpej {
116 1.1 thorpej struct cardbus_attach_args *ca = aux;
117 1.1 thorpej struct ahc_cardbus_softc *csc = (void *) self;
118 1.2 fvdl struct ahc_softc *ahc = &csc->sc_ahc;
119 1.1 thorpej cardbus_devfunc_t ct = ca->ca_ct;
120 1.1 thorpej cardbus_chipset_tag_t cc = ct->ct_cc;
121 1.1 thorpej cardbus_function_tag_t cf = ct->ct_cf;
122 1.1 thorpej bus_space_tag_t bst;
123 1.1 thorpej bus_space_handle_t bsh;
124 1.1 thorpej pcireg_t reg;
125 1.2 fvdl u_int sxfrctl1 = 0;
126 1.2 fvdl ahc_chip ahc_t = AHC_NONE;
127 1.2 fvdl ahc_feature ahc_fe = AHC_FENONE;
128 1.2 fvdl ahc_flag ahc_f = AHC_FNONE;
129 1.2 fvdl
130 1.1 thorpej
131 1.1 thorpej csc->sc_ct = ct;
132 1.1 thorpej csc->sc_tag = ca->ca_tag;
133 1.1 thorpej csc->sc_intrline = ca->ca_intrline;
134 1.1 thorpej
135 1.1 thorpej printf(": Adaptec ADP-1480 SCSI\n");
136 1.1 thorpej
137 1.1 thorpej /*
138 1.1 thorpej * Map the device.
139 1.1 thorpej */
140 1.1 thorpej csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
141 1.1 thorpej if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA,
142 1.1 thorpej PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
143 1.6 ichiro &bst, &bsh, NULL, &csc->sc_size) == 0) {
144 1.1 thorpej csc->sc_cbenable = CARDBUS_MEM_ENABLE;
145 1.1 thorpej csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
146 1.1 thorpej } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA,
147 1.6 ichiro PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) {
148 1.1 thorpej csc->sc_cbenable = CARDBUS_IO_ENABLE;
149 1.1 thorpej csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
150 1.1 thorpej } else {
151 1.1 thorpej printf("%s: unable to map device registers\n",
152 1.1 thorpej ahc_name(ahc));
153 1.1 thorpej return;
154 1.1 thorpej }
155 1.1 thorpej
156 1.1 thorpej /* Make sure the right access type is on the CardBus bridge. */
157 1.1 thorpej (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
158 1.1 thorpej (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
159 1.1 thorpej
160 1.1 thorpej /* Enable the appropriate bits in the PCI CSR. */
161 1.1 thorpej reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
162 1.1 thorpej reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
163 1.1 thorpej reg |= csc->sc_csr;
164 1.1 thorpej cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
165 1.1 thorpej
166 1.1 thorpej /*
167 1.1 thorpej * Make sure the latency timer is set to some reasonable
168 1.1 thorpej * value.
169 1.1 thorpej */
170 1.1 thorpej reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
171 1.1 thorpej if (PCI_LATTIMER(reg) < 0x20) {
172 1.1 thorpej reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
173 1.1 thorpej reg |= (0x20 << PCI_LATTIMER_SHIFT);
174 1.1 thorpej cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
175 1.1 thorpej }
176 1.1 thorpej
177 1.6 ichiro ahc->tag = bst;
178 1.6 ichiro ahc->bsh = bsh;
179 1.6 ichiro
180 1.1 thorpej /*
181 1.1 thorpej * ADP-1480 is always an AIC-7860.
182 1.1 thorpej */
183 1.1 thorpej ahc_t = AHC_AIC7860;
184 1.3 enami ahc_fe = AHC_AIC7860_FE;
185 1.1 thorpej
186 1.1 thorpej /*
187 1.1 thorpej * On all CardBus adapters, we allow SCB paging.
188 1.1 thorpej */
189 1.2 fvdl ahc_f = AHC_PAGESCBS;
190 1.2 fvdl
191 1.3 enami if (ahc_alloc(ahc, bsh, bst, ca->ca_dmat, ahc_t | AHC_PCI /* XXX */,
192 1.3 enami ahc_fe, ahc_f) < 0) {
193 1.2 fvdl printf("%s: unable to initialize softc\n", ahc_name(ahc));
194 1.2 fvdl return;
195 1.2 fvdl }
196 1.2 fvdl
197 1.2 fvdl ahc->channel = 'A';
198 1.1 thorpej
199 1.3 enami ahc_reset(ahc);
200 1.1 thorpej
201 1.1 thorpej /*
202 1.1 thorpej * Establish the interrupt.
203 1.1 thorpej */
204 1.3 enami ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
205 1.1 thorpej ahc_intr, ahc);
206 1.3 enami if (ahc->ih == NULL) {
207 1.1 thorpej printf("%s: unable to establish interrupt at %d\n",
208 1.1 thorpej ahc_name(ahc), ca->ca_intrline);
209 1.1 thorpej return;
210 1.1 thorpej }
211 1.1 thorpej printf("%s: interrupting at %d\n", ahc_name(ahc), ca->ca_intrline);
212 1.1 thorpej
213 1.1 thorpej /*
214 1.1 thorpej * Do chip-specific initialization.
215 1.1 thorpej */
216 1.1 thorpej {
217 1.1 thorpej u_char sblkctl;
218 1.1 thorpej const char *id_string;
219 1.1 thorpej
220 1.3 enami switch (ahc->chip & AHC_CHIPID_MASK) {
221 1.1 thorpej case AHC_AIC7860:
222 1.1 thorpej id_string = "aic7860 ";
223 1.3 enami check_extport(ahc, &sxfrctl1);
224 1.1 thorpej break;
225 1.1 thorpej
226 1.1 thorpej default:
227 1.1 thorpej printf("%s: unknown controller type\n", ahc_name(ahc));
228 1.1 thorpej ahc_free(ahc);
229 1.1 thorpej return;
230 1.1 thorpej }
231 1.1 thorpej
232 1.1 thorpej /*
233 1.1 thorpej * Take the LED out of diagnostic mode.
234 1.1 thorpej */
235 1.2 fvdl sblkctl = ahc_inb(ahc, SBLKCTL);
236 1.2 fvdl ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
237 1.1 thorpej
238 1.1 thorpej /*
239 1.1 thorpej * I don't know where this is set in the SEEPROM or by the
240 1.1 thorpej * BIOS, so we default to 100%.
241 1.1 thorpej */
242 1.2 fvdl ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
243 1.1 thorpej
244 1.1 thorpej if (ahc->flags & AHC_USEDEFAULTS) {
245 1.1 thorpej /*
246 1.1 thorpej * We can't "use defaults", as we have no way
247 1.1 thorpej * of knowing what default settings hould be.
248 1.1 thorpej */
249 1.1 thorpej printf("%s: CardBus device requires an SEEPROM\n",
250 1.1 thorpej ahc_name(ahc));
251 1.1 thorpej return;
252 1.1 thorpej }
253 1.1 thorpej
254 1.1 thorpej printf("%s: %s", ahc_name(ahc), id_string);
255 1.1 thorpej }
256 1.2 fvdl
257 1.2 fvdl /*
258 1.2 fvdl * XXX does this card have external SRAM? - fvdl
259 1.2 fvdl */
260 1.2 fvdl
261 1.2 fvdl /*
262 1.2 fvdl * Record our termination setting for the
263 1.2 fvdl * generic initialization routine.
264 1.2 fvdl */
265 1.2 fvdl if ((sxfrctl1 & STPWEN) != 0)
266 1.2 fvdl ahc->flags |= AHC_TERM_ENB_A;
267 1.1 thorpej
268 1.1 thorpej if (ahc_init(ahc)) {
269 1.1 thorpej ahc_free(ahc);
270 1.1 thorpej return;
271 1.1 thorpej }
272 1.1 thorpej
273 1.1 thorpej ahc_attach(ahc);
274 1.6 ichiro }
275 1.6 ichiro
276 1.6 ichiro int
277 1.6 ichiro ahc_cardbus_detach(self, flags)
278 1.6 ichiro struct device *self;
279 1.6 ichiro int flags;
280 1.6 ichiro {
281 1.6 ichiro struct ahc_cardbus_softc *csc = (void*)self;
282 1.6 ichiro struct ahc_softc *ahc = &csc->sc_ahc;
283 1.6 ichiro
284 1.6 ichiro int rv;
285 1.6 ichiro
286 1.6 ichiro rv = ahc_detach(ahc, flags);
287 1.6 ichiro if (rv)
288 1.6 ichiro return rv;
289 1.6 ichiro
290 1.6 ichiro if (ahc->ih) {
291 1.6 ichiro cardbus_intr_disestablish(csc->sc_ct->ct_cc,
292 1.6 ichiro csc->sc_ct->ct_cf, ahc->ih);
293 1.6 ichiro ahc->ih = 0;
294 1.6 ichiro }
295 1.6 ichiro
296 1.6 ichiro if (csc->sc_cbenable) {
297 1.6 ichiro if (csc->sc_cbenable == CARDBUS_MEM_ENABLE)
298 1.6 ichiro Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_MMBA,
299 1.6 ichiro ahc->tag, ahc->bsh, csc->sc_size);
300 1.6 ichiro else if (csc->sc_cbenable == CARDBUS_IO_ENABLE)
301 1.6 ichiro Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_IOBA,
302 1.6 ichiro ahc->tag, ahc->bsh, csc->sc_size);
303 1.6 ichiro csc->sc_cbenable = 0;
304 1.6 ichiro }
305 1.6 ichiro
306 1.6 ichiro return (0);
307 1.1 thorpej }
308