siisata_cardbus.c revision 1.4 1 /* $NetBSD: siisata_cardbus.c,v 1.4 2010/01/30 16:16:35 jakllsch Exp $ */
2 /* Id: siisata_pci.c,v 1.11 2008/05/21 16:20:11 jakllsch Exp */
3
4 /*
5 * Copyright (c) 2006 Manuel Bouyer.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29 /*
30 * Copyright (c) 2007, 2008 Jonathan A. Kollasch.
31 * All rights reserved.
32 *
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
35 * are met:
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
43 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
44 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
45 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
46 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
48 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
49 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
50 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
51 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
52 */
53
54 #include <sys/cdefs.h>
55 __KERNEL_RCSID(0, "$NetBSD: siisata_cardbus.c,v 1.4 2010/01/30 16:16:35 jakllsch Exp $");
56
57 #include <sys/types.h>
58 #include <sys/malloc.h>
59 #include <sys/param.h>
60 #include <sys/kernel.h>
61 #include <sys/systm.h>
62
63 #include <uvm/uvm_extern.h>
64
65 #include <dev/cardbus/cardbusvar.h>
66 #include <dev/pci/pcidevs.h>
67 #include <dev/ic/siisatavar.h>
68
69 #define cardbus_devinfo pci_devinfo
70
71 struct siisata_cardbus_softc {
72 struct siisata_softc si_sc;
73 cardbus_chipset_tag_t sc_cc;
74 cardbus_function_tag_t sc_cf;
75 cardbus_devfunc_t sc_ct;
76
77 bus_size_t sc_grsize;
78 bus_size_t sc_prsize;
79 void *sc_ih;
80 };
81
82 static int siisata_cardbus_match(device_t, cfdata_t, void *);
83 static void siisata_cardbus_attach(device_t, device_t, void *);
84 static int siisata_cardbus_detach(device_t, int);
85 static bool siisata_cardbus_resume(device_t, pmf_qual_t);
86
87 static const struct siisata_cardbus_product {
88 cardbus_vendor_id_t scp_vendor;
89 cardbus_product_id_t scp_product;
90 int scp_ports;
91 int scp_chip;
92
93 } siisata_cardbus_products[] = {
94 {
95 PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124,
96 4, 3124
97 },
98 {
99 0, 0,
100 0, 0
101 },
102 };
103
104 CFATTACH_DECL_NEW(siisata_cardbus, sizeof(struct siisata_cardbus_softc),
105 siisata_cardbus_match, siisata_cardbus_attach, siisata_cardbus_detach,
106 NULL);
107
108 static const struct siisata_cardbus_product *
109 siisata_cardbus_lookup(const struct cardbus_attach_args *ca)
110 {
111 const struct siisata_cardbus_product *scp;
112
113 for (scp = siisata_cardbus_products; scp->scp_ports > 0; scp++) {
114 if (CARDBUS_VENDOR(ca->ca_id) == scp->scp_vendor &&
115 CARDBUS_PRODUCT(ca->ca_id) == scp->scp_product)
116 return scp;
117 }
118 return NULL;
119 }
120
121 static int
122 siisata_cardbus_match(device_t parent, cfdata_t match, void *aux)
123 {
124 struct cardbus_attach_args *ca = aux;
125
126 if (siisata_cardbus_lookup(ca) != NULL)
127 return 3;
128
129 return 0;
130 }
131
132 static void
133 siisata_cardbus_attach(device_t parent, device_t self, void *aux)
134 {
135 struct cardbus_attach_args *ca = aux;
136 struct cardbus_softc *cbsc = device_private(parent);
137 struct siisata_cardbus_softc *csc = device_private(self);
138 struct siisata_softc *sc = &csc->si_sc;
139 cardbus_devfunc_t ct = ca->ca_ct;
140 cardbus_chipset_tag_t cc = ct->ct_cc;
141 cardbus_function_tag_t cf = ct->ct_cf;
142 cardbusreg_t csr;
143 const struct siisata_cardbus_product *scp;
144 bus_space_tag_t memt;
145 bus_space_handle_t memh;
146 bus_addr_t base;
147 bus_size_t grsize, prsize;
148 uint32_t gcreg;
149 char devinfo[256];
150
151 sc->sc_atac.atac_dev = self;
152
153 csc->sc_cc = cc;
154 csc->sc_cf = cf;
155 csc->sc_ct = ct;
156
157 cardbus_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
158 aprint_naive(": SATA-II HBA\n");
159 aprint_normal(": %s\n", devinfo);
160
161 /*
162 * XXXX
163 * Our BAR0/BAR1 type is 64bit Memory. Cardbus_mapreg_map() don't
164 * support 64bit Memory. We map ourself...
165 */
166 /* map bar0 */
167 {
168 #define SIISATA_BAR0_SIZE 128
169 grsize = SIISATA_BAR0_SIZE;
170 csr =
171 cardbus_conf_read(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0);
172 base = PCI_MAPREG_MEM_ADDR(csr);
173 memt = cbsc->sc_memt;
174 if ((*cf->cardbus_space_alloc)(cc, cbsc->sc_rbus_memt, base,
175 grsize, grsize - 1, grsize, 0, &base, &memh)) {
176 aprint_error(
177 "%s: unable to map device global registers\n",
178 SIISATANAME(sc));
179 return;
180 }
181 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0,
182 base);
183 }
184 sc->sc_grt = memt;
185 sc->sc_grh = memh;
186 csc->sc_grsize = grsize;
187
188 /* map bar1 */
189 {
190 #define SIISATA_BAR1_SIZE (32 * 1024)
191 prsize = SIISATA_BAR1_SIZE;
192 base = PCI_MAPREG_MEM_ADDR(cardbus_conf_read(cc, cf, ca->ca_tag,
193 SIISATA_CARDBUS_BAR1));
194 memt = cbsc->sc_memt;
195 if ((*cf->cardbus_space_alloc)(cc, cbsc->sc_rbus_memt, base,
196 prsize, prsize - 1, prsize, 0, &base, &memh)) {
197 cardbus_conf_write(cc, cf, ca->ca_tag,
198 SIISATA_CARDBUS_BAR0, 0);
199 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt,
200 sc->sc_grh, grsize);
201 aprint_error(
202 "%s: unable to map device port registers\n",
203 SIISATANAME(sc));
204 return;
205 }
206 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR1,
207 base);
208 }
209 sc->sc_prt = memt;
210 sc->sc_prh = memh;
211 csc->sc_prsize = prsize;
212
213 sc->sc_dmat = ca->ca_dmat;
214
215 /* map interrupt */
216 csc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
217 siisata_intr, sc);
218 if (csc->sc_ih == NULL) {
219 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR0, 0);
220 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_grh,
221 grsize);
222 cardbus_conf_write(cc, cf, ca->ca_tag, SIISATA_CARDBUS_BAR1, 0);
223 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_prh,
224 prsize);
225 aprint_error("%s: couldn't establish interrupt\n",
226 SIISATANAME(sc));
227 return;
228 }
229
230 /* fill in number of ports on this device */
231 scp = siisata_cardbus_lookup(ca);
232 if (scp != NULL)
233 sc->sc_atac.atac_nchannels = scp->scp_ports;
234 else
235 /* _match() should prevent us from getting here */
236 panic("siisata: the universe might be falling apart!\n");
237
238 /* enable bus mastering in case the firmware didn't */
239 csr = cardbus_conf_read(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG);
240 csr |= CARDBUS_COMMAND_MASTER_ENABLE;
241 csr |= CARDBUS_COMMAND_MEM_ENABLE;
242 cardbus_conf_write(cc, cf, ca->ca_tag, CARDBUS_COMMAND_STATUS_REG, csr);
243
244 gcreg = GRREAD(sc, GR_GC);
245
246 /* CardBus supports only 32-bit 33MHz */
247 KASSERT(!(gcreg &
248 (GR_GC_REQ64|GR_GC_DEVSEL|GR_GC_STOP|GR_GC_TRDY|GR_GC_M66EN)));
249
250 aprint_normal("%s: SiI%d on 32-bit, 33MHz PCI (CardBus).",
251 SIISATANAME(sc), scp->scp_chip);
252 if (gcreg & GR_GC_3GBPS)
253 aprint_normal(" 3.0Gb/s capable.\n");
254 else
255 aprint_normal("\n");
256
257 siisata_attach(sc);
258
259 if (!pmf_device_register(self, NULL, siisata_cardbus_resume))
260 aprint_error_dev(self, "couldn't establish power handler\n");
261 }
262
263 static int
264 siisata_cardbus_detach(device_t self, int flags)
265 {
266 struct cardbus_softc *cbsc = device_private(device_parent(self));
267 struct siisata_cardbus_softc *csc = device_private(self);
268 struct siisata_softc *sc = &csc->si_sc;
269 struct cardbus_devfunc *ct = csc->sc_ct;
270 cardbus_chipset_tag_t cc = ct->ct_cc;
271 cardbus_function_tag_t cf = ct->ct_cf;
272 cardbustag_t ctag = cardbus_make_tag(cc, cf, cbsc->sc_bus, ct->ct_func);
273 int rv;
274
275 rv = siisata_detach(sc, flags);
276 if (rv)
277 return (rv);
278 if (csc->sc_ih != NULL) {
279 cardbus_intr_disestablish(csc->sc_cc, csc->sc_cf, csc->sc_ih);
280 csc->sc_ih = NULL;
281 }
282 if (csc->sc_grsize) {
283 cardbus_conf_write(cc, cf, ctag, SIISATA_CARDBUS_BAR0, 0);
284 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_grh,
285 csc->sc_grsize);
286 csc->sc_grsize = 0;
287 }
288 if (csc->sc_prsize) {
289 cardbus_conf_write(cc, cf, ctag, SIISATA_CARDBUS_BAR1, 0);
290 (*cf->cardbus_space_free)(cc, cbsc->sc_rbus_memt, sc->sc_prh,
291 csc->sc_prsize);
292 csc->sc_prsize = 0;
293 }
294 cardbus_free_tag(cc, cf, ctag);
295 return 0;
296 }
297
298 static bool
299 siisata_cardbus_resume(device_t dv, pmf_qual_t qual)
300 {
301 struct siisata_cardbus_softc *csc = device_private(dv);
302 struct siisata_softc *sc = &csc->si_sc;
303 int s;
304
305 s = splbio();
306 siisata_resume(sc);
307 splx(s);
308
309 return true;
310 }
311