siisata_cardbus.c revision 1.10 1 /* $NetBSD: siisata_cardbus.c,v 1.10 2010/02/26 00:57:02 dyoung 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 1.10 2010/02/26 00:57:02 dyoung 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 struct siisata_cardbus_softc {
70 struct siisata_softc si_sc;
71 cardbus_chipset_tag_t sc_cc;
72 cardbus_function_tag_t sc_cf;
73 cardbus_devfunc_t sc_ct;
74 pcitag_t sc_tag;
75 bus_space_tag_t sc_iot; /* CardBus I/O space tag */
76 bus_space_tag_t sc_memt; /* CardBus MEM space tag */
77 #if rbus
78 rbus_tag_t sc_rbus_iot; /* CardBus i/o rbus tag */
79 rbus_tag_t sc_rbus_memt; /* CardBus mem rbus tag */
80 #endif
81
82 bus_size_t sc_grsize;
83 bus_size_t sc_prsize;
84 void *sc_ih;
85 };
86
87 static int siisata_cardbus_match(device_t, cfdata_t, void *);
88 static void siisata_cardbus_attach(device_t, device_t, void *);
89 static int siisata_cardbus_detach(device_t, int);
90 static bool siisata_cardbus_resume(device_t, const pmf_qual_t *);
91
92 static const struct siisata_cardbus_product {
93 pci_vendor_id_t scp_vendor;
94 pci_product_id_t scp_product;
95 int scp_ports;
96 int scp_chip;
97
98 } siisata_cardbus_products[] = {
99 {
100 PCI_VENDOR_CMDTECH, PCI_PRODUCT_CMDTECH_3124,
101 4, 3124
102 },
103 {
104 0, 0,
105 0, 0
106 },
107 };
108
109 CFATTACH_DECL_NEW(siisata_cardbus, sizeof(struct siisata_cardbus_softc),
110 siisata_cardbus_match, siisata_cardbus_attach, siisata_cardbus_detach,
111 NULL);
112
113 static const struct siisata_cardbus_product *
114 siisata_cardbus_lookup(const struct cardbus_attach_args *ca)
115 {
116 const struct siisata_cardbus_product *scp;
117
118 for (scp = siisata_cardbus_products; scp->scp_ports > 0; scp++) {
119 if (PCI_VENDOR(ca->ca_id) == scp->scp_vendor &&
120 PCI_PRODUCT(ca->ca_id) == scp->scp_product)
121 return scp;
122 }
123 return NULL;
124 }
125
126 static int
127 siisata_cardbus_match(device_t parent, cfdata_t match, void *aux)
128 {
129 struct cardbus_attach_args *ca = aux;
130
131 if (siisata_cardbus_lookup(ca) != NULL)
132 return 3;
133
134 return 0;
135 }
136
137 static void
138 siisata_cardbus_attach(device_t parent, device_t self, void *aux)
139 {
140 struct cardbus_attach_args *ca = aux;
141 struct siisata_cardbus_softc *csc = device_private(self);
142 struct siisata_softc *sc = &csc->si_sc;
143 cardbus_devfunc_t ct = ca->ca_ct;
144 cardbus_chipset_tag_t cc = ct->ct_cc;
145 cardbus_function_tag_t cf = ct->ct_cf;
146 pcireg_t csr;
147 const struct siisata_cardbus_product *scp;
148 bus_space_tag_t memt;
149 bus_space_handle_t memh;
150 bus_addr_t base;
151 bus_size_t grsize, prsize;
152 uint32_t gcreg;
153 char devinfo[256];
154
155 sc->sc_atac.atac_dev = self;
156
157 csc->sc_cc = cc;
158 csc->sc_cf = cf;
159 csc->sc_ct = ct;
160 csc->sc_tag = ca->ca_tag;
161
162 csc->sc_iot = ca->ca_iot;
163 csc->sc_memt = ca->ca_memt;
164 #if rbus
165 csc->sc_rbus_iot = ca->ca_rbus_iot;
166 csc->sc_rbus_memt = ca->ca_rbus_memt;
167 #endif
168
169 pci_devinfo(ca->ca_id, ca->ca_class, 0, devinfo, sizeof(devinfo));
170 aprint_naive(": SATA-II HBA\n");
171 aprint_normal(": %s\n", devinfo);
172
173 /*
174 * XXXX
175 * Our BAR0/BAR1 type is 64bit Memory. Cardbus_mapreg_map() don't
176 * support 64bit Memory. We map ourself...
177 */
178 /* map bar0 */
179 {
180 #define SIISATA_BAR0_SIZE 128
181 grsize = SIISATA_BAR0_SIZE;
182 csr =
183 Cardbus_conf_read(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0);
184 base = PCI_MAPREG_MEM_ADDR(csr);
185 memt = csc->sc_memt;
186 if ((*cf->cardbus_space_alloc)(cc, csc->sc_rbus_memt, base,
187 grsize, grsize - 1, grsize, 0, &base, &memh)) {
188 aprint_error(
189 "%s: unable to map device global registers\n",
190 SIISATANAME(sc));
191 return;
192 }
193 Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0,
194 base);
195 }
196 sc->sc_grt = memt;
197 sc->sc_grh = memh;
198 csc->sc_grsize = grsize;
199
200 /* map bar1 */
201 {
202 #define SIISATA_BAR1_SIZE (32 * 1024)
203 prsize = SIISATA_BAR1_SIZE;
204 base = PCI_MAPREG_MEM_ADDR(Cardbus_conf_read(ct, ca->ca_tag,
205 SIISATA_CARDBUS_BAR1));
206 memt = csc->sc_memt;
207 if ((*cf->cardbus_space_alloc)(cc, csc->sc_rbus_memt, base,
208 prsize, prsize - 1, prsize, 0, &base, &memh)) {
209 Cardbus_conf_write(ct, ca->ca_tag,
210 SIISATA_CARDBUS_BAR0, 0);
211 (*cf->cardbus_space_free)(cc, csc->sc_rbus_memt,
212 sc->sc_grh, grsize);
213 aprint_error(
214 "%s: unable to map device port registers\n",
215 SIISATANAME(sc));
216 return;
217 }
218 Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR1,
219 base);
220 }
221 sc->sc_prt = memt;
222 sc->sc_prh = memh;
223 csc->sc_prsize = prsize;
224
225 sc->sc_dmat = ca->ca_dmat;
226
227 /* map interrupt */
228 csc->sc_ih = cardbus_intr_establish(cc, cf, ca->ca_intrline, IPL_BIO,
229 siisata_intr, sc);
230 if (csc->sc_ih == NULL) {
231 Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR0, 0);
232 (*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_grh,
233 grsize);
234 Cardbus_conf_write(ct, ca->ca_tag, SIISATA_CARDBUS_BAR1, 0);
235 (*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_prh,
236 prsize);
237 aprint_error("%s: couldn't establish interrupt\n",
238 SIISATANAME(sc));
239 return;
240 }
241
242 /* fill in number of ports on this device */
243 scp = siisata_cardbus_lookup(ca);
244 if (scp != NULL)
245 sc->sc_atac.atac_nchannels = scp->scp_ports;
246 else
247 /* _match() should prevent us from getting here */
248 panic("siisata: the universe might be falling apart!\n");
249
250 /* enable bus mastering in case the firmware didn't */
251 csr = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG);
252 csr |= PCI_COMMAND_MASTER_ENABLE;
253 csr |= PCI_COMMAND_MEM_ENABLE;
254 Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, csr);
255
256 gcreg = GRREAD(sc, GR_GC);
257
258 /* CardBus supports only 32-bit 33MHz */
259 KASSERT(!(gcreg &
260 (GR_GC_REQ64|GR_GC_DEVSEL|GR_GC_STOP|GR_GC_TRDY|GR_GC_M66EN)));
261
262 aprint_normal("%s: SiI%d on 32-bit, 33MHz PCI (CardBus).",
263 SIISATANAME(sc), scp->scp_chip);
264 if (gcreg & GR_GC_3GBPS)
265 aprint_normal(" 3.0Gb/s capable.\n");
266 else
267 aprint_normal("\n");
268
269 siisata_attach(sc);
270
271 if (!pmf_device_register(self, NULL, siisata_cardbus_resume))
272 aprint_error_dev(self, "couldn't establish power handler\n");
273 }
274
275 static int
276 siisata_cardbus_detach(device_t self, int flags)
277 {
278 struct siisata_cardbus_softc *csc = device_private(self);
279 struct siisata_softc *sc = &csc->si_sc;
280 struct cardbus_devfunc *ct = csc->sc_ct;
281 cardbus_chipset_tag_t cc = ct->ct_cc;
282 cardbus_function_tag_t cf = ct->ct_cf;
283 pcitag_t ctag = csc->sc_tag;
284 int rv;
285
286 rv = siisata_detach(sc, flags);
287 if (rv)
288 return (rv);
289 if (csc->sc_ih != NULL) {
290 cardbus_intr_disestablish(csc->sc_cc, csc->sc_cf, csc->sc_ih);
291 csc->sc_ih = NULL;
292 }
293 if (csc->sc_grsize) {
294 Cardbus_conf_write(ct, ctag, SIISATA_CARDBUS_BAR0, 0);
295 (*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_grh,
296 csc->sc_grsize);
297 csc->sc_grsize = 0;
298 }
299 if (csc->sc_prsize) {
300 Cardbus_conf_write(ct, ctag, SIISATA_CARDBUS_BAR1, 0);
301 (*cf->cardbus_space_free)(cc, csc->sc_rbus_memt, sc->sc_prh,
302 csc->sc_prsize);
303 csc->sc_prsize = 0;
304 }
305 return 0;
306 }
307
308 static bool
309 siisata_cardbus_resume(device_t dv, const pmf_qual_t *qual)
310 {
311 struct siisata_cardbus_softc *csc = device_private(dv);
312 struct siisata_softc *sc = &csc->si_sc;
313 int s;
314
315 s = splbio();
316 siisata_resume(sc);
317 splx(s);
318
319 return true;
320 }
321