ahc_cardbus.c revision 1.23 1 1.23 dyoung /* $NetBSD: ahc_cardbus.c,v 1.23 2008/02/18 06:17:27 dyoung Exp $ */
2 1.1 thorpej
3 1.1 thorpej /*-
4 1.17 augustss * Copyright (c) 2000, 2005 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 1.23 dyoung __KERNEL_RCSID(0, "$NetBSD: ahc_cardbus.c,v 1.23 2008/02/18 06:17:27 dyoung Exp $");
49 1.17 augustss
50 1.17 augustss #include "opt_ahc_cardbus.h"
51 1.1 thorpej
52 1.1 thorpej #include <sys/param.h>
53 1.1 thorpej #include <sys/systm.h>
54 1.1 thorpej #include <sys/malloc.h>
55 1.1 thorpej #include <sys/kernel.h>
56 1.1 thorpej #include <sys/queue.h>
57 1.1 thorpej #include <sys/device.h>
58 1.1 thorpej
59 1.22 ad #include <sys/bus.h>
60 1.22 ad #include <sys/intr.h>
61 1.1 thorpej
62 1.16 perry #include <dev/scsipi/scsi_all.h>
63 1.1 thorpej #include <dev/scsipi/scsipi_all.h>
64 1.1 thorpej #include <dev/scsipi/scsiconf.h>
65 1.1 thorpej
66 1.1 thorpej #include <dev/pci/pcireg.h>
67 1.1 thorpej
68 1.1 thorpej #include <dev/cardbus/cardbusvar.h>
69 1.14 mycroft #include <dev/pci/pcidevs.h>
70 1.1 thorpej
71 1.10 fvdl #include <dev/ic/aic7xxx_osm.h>
72 1.10 fvdl #include <dev/ic/aic7xxx_inline.h>
73 1.1 thorpej
74 1.3 enami
75 1.17 augustss #ifndef AHC_CARDBUS_DEFAULT_SCSI_ID
76 1.17 augustss #define AHC_CARDBUS_DEFAULT_SCSI_ID 0x7
77 1.17 augustss #endif
78 1.17 augustss
79 1.1 thorpej #define AHC_CARDBUS_IOBA 0x10
80 1.1 thorpej #define AHC_CARDBUS_MMBA 0x14
81 1.1 thorpej
82 1.1 thorpej struct ahc_cardbus_softc {
83 1.2 fvdl struct ahc_softc sc_ahc; /* real AHC */
84 1.1 thorpej
85 1.1 thorpej /* CardBus-specific goo. */
86 1.1 thorpej cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */
87 1.1 thorpej int sc_intrline; /* our interrupt line */
88 1.1 thorpej cardbustag_t sc_tag;
89 1.1 thorpej
90 1.1 thorpej int sc_cbenable; /* what CardBus access type to enable */
91 1.1 thorpej int sc_csr; /* CSR bits */
92 1.6 ichiro bus_size_t sc_size;
93 1.1 thorpej };
94 1.1 thorpej
95 1.15 perry int ahc_cardbus_match(struct device *, struct cfdata *, void *);
96 1.15 perry void ahc_cardbus_attach(struct device *, struct device *, void *);
97 1.15 perry int ahc_cardbus_detach(struct device *, int);
98 1.10 fvdl int ahc_activate(struct device *self, enum devact act);
99 1.1 thorpej
100 1.8 thorpej CFATTACH_DECL(ahc_cardbus, sizeof(struct ahc_cardbus_softc),
101 1.9 thorpej ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, ahc_activate);
102 1.1 thorpej
103 1.1 thorpej int
104 1.21 christos ahc_cardbus_match(struct device *parent, struct cfdata *match,
105 1.20 christos void *aux)
106 1.1 thorpej {
107 1.1 thorpej struct cardbus_attach_args *ca = aux;
108 1.1 thorpej
109 1.14 mycroft if (CARDBUS_VENDOR(ca->ca_id) == PCI_VENDOR_ADP &&
110 1.14 mycroft CARDBUS_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480)
111 1.1 thorpej return (1);
112 1.1 thorpej
113 1.1 thorpej return (0);
114 1.1 thorpej }
115 1.1 thorpej
116 1.1 thorpej void
117 1.21 christos ahc_cardbus_attach(struct device *parent, struct device *self,
118 1.20 christos void *aux)
119 1.1 thorpej {
120 1.1 thorpej struct cardbus_attach_args *ca = aux;
121 1.19 thorpej struct ahc_cardbus_softc *csc = device_private(self);
122 1.2 fvdl struct ahc_softc *ahc = &csc->sc_ahc;
123 1.1 thorpej cardbus_devfunc_t ct = ca->ca_ct;
124 1.1 thorpej cardbus_chipset_tag_t cc = ct->ct_cc;
125 1.1 thorpej cardbus_function_tag_t cf = ct->ct_cf;
126 1.1 thorpej bus_space_tag_t bst;
127 1.1 thorpej bus_space_handle_t bsh;
128 1.1 thorpej pcireg_t reg;
129 1.2 fvdl u_int sxfrctl1 = 0;
130 1.10 fvdl u_char sblkctl;
131 1.2 fvdl
132 1.1 thorpej
133 1.1 thorpej csc->sc_ct = ct;
134 1.1 thorpej csc->sc_tag = ca->ca_tag;
135 1.1 thorpej csc->sc_intrline = ca->ca_intrline;
136 1.1 thorpej
137 1.1 thorpej printf(": Adaptec ADP-1480 SCSI\n");
138 1.1 thorpej
139 1.1 thorpej /*
140 1.1 thorpej * Map the device.
141 1.1 thorpej */
142 1.1 thorpej csc->sc_csr = PCI_COMMAND_MASTER_ENABLE;
143 1.1 thorpej if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA,
144 1.1 thorpej PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
145 1.6 ichiro &bst, &bsh, NULL, &csc->sc_size) == 0) {
146 1.1 thorpej csc->sc_cbenable = CARDBUS_MEM_ENABLE;
147 1.1 thorpej csc->sc_csr |= PCI_COMMAND_MEM_ENABLE;
148 1.1 thorpej } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA,
149 1.6 ichiro PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) {
150 1.1 thorpej csc->sc_cbenable = CARDBUS_IO_ENABLE;
151 1.1 thorpej csc->sc_csr |= PCI_COMMAND_IO_ENABLE;
152 1.1 thorpej } else {
153 1.1 thorpej printf("%s: unable to map device registers\n",
154 1.1 thorpej ahc_name(ahc));
155 1.1 thorpej return;
156 1.1 thorpej }
157 1.1 thorpej
158 1.1 thorpej /* Make sure the right access type is on the CardBus bridge. */
159 1.1 thorpej (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cbenable);
160 1.1 thorpej (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
161 1.1 thorpej
162 1.1 thorpej /* Enable the appropriate bits in the PCI CSR. */
163 1.1 thorpej reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG);
164 1.1 thorpej reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE);
165 1.1 thorpej reg |= csc->sc_csr;
166 1.1 thorpej cardbus_conf_write(cc, cf, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg);
167 1.1 thorpej
168 1.1 thorpej /*
169 1.1 thorpej * Make sure the latency timer is set to some reasonable
170 1.1 thorpej * value.
171 1.1 thorpej */
172 1.1 thorpej reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_BHLC_REG);
173 1.1 thorpej if (PCI_LATTIMER(reg) < 0x20) {
174 1.1 thorpej reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
175 1.1 thorpej reg |= (0x20 << PCI_LATTIMER_SHIFT);
176 1.1 thorpej cardbus_conf_write(cc, cf, ca->ca_tag, PCI_BHLC_REG, reg);
177 1.1 thorpej }
178 1.1 thorpej
179 1.23 dyoung ahc_set_name(ahc, device_xname(&ahc->sc_dev));
180 1.12 fvdl
181 1.12 fvdl ahc->parent_dmat = ca->ca_dmat;
182 1.6 ichiro ahc->tag = bst;
183 1.6 ichiro ahc->bsh = bsh;
184 1.6 ichiro
185 1.1 thorpej /*
186 1.1 thorpej * ADP-1480 is always an AIC-7860.
187 1.1 thorpej */
188 1.10 fvdl ahc->chip = AHC_AIC7860 | AHC_PCI;
189 1.10 fvdl ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE;
190 1.10 fvdl ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
191 1.10 fvdl if (PCI_REVISION(ca->ca_class) >= 1)
192 1.10 fvdl ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
193 1.11 fvdl
194 1.11 fvdl if (ahc_softc_init(ahc) != 0)
195 1.11 fvdl return;
196 1.1 thorpej
197 1.1 thorpej /*
198 1.1 thorpej * On all CardBus adapters, we allow SCB paging.
199 1.1 thorpej */
200 1.10 fvdl ahc->flags = AHC_PAGESCBS;
201 1.2 fvdl
202 1.10 fvdl ahc->channel = 'A';
203 1.2 fvdl
204 1.10 fvdl ahc_intr_enable(ahc, FALSE);
205 1.1 thorpej
206 1.3 enami ahc_reset(ahc);
207 1.1 thorpej
208 1.1 thorpej /*
209 1.1 thorpej * Establish the interrupt.
210 1.1 thorpej */
211 1.3 enami ahc->ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
212 1.1 thorpej ahc_intr, ahc);
213 1.3 enami if (ahc->ih == NULL) {
214 1.1 thorpej printf("%s: unable to establish interrupt at %d\n",
215 1.1 thorpej ahc_name(ahc), ca->ca_intrline);
216 1.1 thorpej return;
217 1.1 thorpej }
218 1.1 thorpej printf("%s: interrupting at %d\n", ahc_name(ahc), ca->ca_intrline);
219 1.1 thorpej
220 1.13 jdolecek ahc->seep_config = malloc(sizeof(*ahc->seep_config),
221 1.13 jdolecek M_DEVBUF, M_NOWAIT);
222 1.13 jdolecek if (ahc->seep_config == NULL)
223 1.13 jdolecek return;
224 1.13 jdolecek
225 1.10 fvdl ahc_check_extport(ahc, &sxfrctl1);
226 1.1 thorpej /*
227 1.10 fvdl * Take the LED out of diagnostic mode.
228 1.1 thorpej */
229 1.10 fvdl sblkctl = ahc_inb(ahc, SBLKCTL);
230 1.10 fvdl ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
231 1.1 thorpej
232 1.10 fvdl /*
233 1.10 fvdl * I don't know where this is set in the SEEPROM or by the
234 1.10 fvdl * BIOS, so we default to 100%.
235 1.10 fvdl */
236 1.10 fvdl ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
237 1.1 thorpej
238 1.10 fvdl if (ahc->flags & AHC_USEDEFAULTS) {
239 1.17 augustss int our_id;
240 1.1 thorpej /*
241 1.17 augustss * Assume only one connector and always turn
242 1.17 augustss * on termination.
243 1.1 thorpej */
244 1.17 augustss our_id = AHC_CARDBUS_DEFAULT_SCSI_ID;
245 1.17 augustss sxfrctl1 = STPWEN;
246 1.17 augustss ahc_outb(ahc, SCSICONF, our_id | ENSPCHK | RESET_SCSI);
247 1.17 augustss ahc->our_id = our_id;
248 1.1 thorpej }
249 1.2 fvdl
250 1.10 fvdl printf("%s: aic7860", ahc_name(ahc));
251 1.2 fvdl
252 1.2 fvdl /*
253 1.2 fvdl * Record our termination setting for the
254 1.2 fvdl * generic initialization routine.
255 1.2 fvdl */
256 1.2 fvdl if ((sxfrctl1 & STPWEN) != 0)
257 1.2 fvdl ahc->flags |= AHC_TERM_ENB_A;
258 1.1 thorpej
259 1.1 thorpej if (ahc_init(ahc)) {
260 1.1 thorpej ahc_free(ahc);
261 1.1 thorpej return;
262 1.1 thorpej }
263 1.1 thorpej
264 1.1 thorpej ahc_attach(ahc);
265 1.6 ichiro }
266 1.6 ichiro
267 1.6 ichiro int
268 1.6 ichiro ahc_cardbus_detach(self, flags)
269 1.6 ichiro struct device *self;
270 1.6 ichiro int flags;
271 1.6 ichiro {
272 1.19 thorpej struct ahc_cardbus_softc *csc = device_private(self);
273 1.6 ichiro struct ahc_softc *ahc = &csc->sc_ahc;
274 1.6 ichiro
275 1.6 ichiro int rv;
276 1.6 ichiro
277 1.10 fvdl rv = ahc_detach((void *)ahc, flags);
278 1.6 ichiro if (rv)
279 1.6 ichiro return rv;
280 1.6 ichiro
281 1.6 ichiro if (ahc->ih) {
282 1.6 ichiro cardbus_intr_disestablish(csc->sc_ct->ct_cc,
283 1.6 ichiro csc->sc_ct->ct_cf, ahc->ih);
284 1.6 ichiro ahc->ih = 0;
285 1.6 ichiro }
286 1.6 ichiro
287 1.6 ichiro if (csc->sc_cbenable) {
288 1.6 ichiro if (csc->sc_cbenable == CARDBUS_MEM_ENABLE)
289 1.6 ichiro Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_MMBA,
290 1.6 ichiro ahc->tag, ahc->bsh, csc->sc_size);
291 1.6 ichiro else if (csc->sc_cbenable == CARDBUS_IO_ENABLE)
292 1.6 ichiro Cardbus_mapreg_unmap(csc->sc_ct, AHC_CARDBUS_IOBA,
293 1.6 ichiro ahc->tag, ahc->bsh, csc->sc_size);
294 1.6 ichiro csc->sc_cbenable = 0;
295 1.6 ichiro }
296 1.6 ichiro
297 1.6 ichiro return (0);
298 1.10 fvdl }
299 1.10 fvdl
300 1.10 fvdl
301 1.10 fvdl int
302 1.10 fvdl ahc_activate(struct device *self, enum devact act)
303 1.10 fvdl {
304 1.10 fvdl struct ahc_cardbus_softc *csc = (void*)self;
305 1.10 fvdl struct ahc_softc *ahc = &csc->sc_ahc;
306 1.10 fvdl int s, rv = 0;
307 1.10 fvdl
308 1.10 fvdl s = splhigh();
309 1.10 fvdl switch (act) {
310 1.10 fvdl case DVACT_ACTIVATE:
311 1.10 fvdl rv = EOPNOTSUPP;
312 1.10 fvdl break;
313 1.10 fvdl
314 1.10 fvdl case DVACT_DEACTIVATE:
315 1.10 fvdl if (ahc->sc_child != NULL)
316 1.10 fvdl rv = config_deactivate(ahc->sc_child);
317 1.10 fvdl break;
318 1.10 fvdl }
319 1.10 fvdl splx(s);
320 1.10 fvdl
321 1.10 fvdl return (rv);
322 1.1 thorpej }
323