1 | /* $NetBSD: aic_pcmcia.c,v 1.43 2009/11/12 19:24:06 dyoung Exp $ */ |
2 | |
3 | /* |
4 | * Copyright (c) 1997 Marc Horowitz. All rights reserved. |
5 | * |
6 | * Redistribution and use in source and binary forms, with or without |
7 | * modification, are permitted provided that the following conditions |
8 | * are met: |
9 | * 1. Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * 2. Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
14 | * 3. All advertising materials mentioning features or use of this software |
15 | * must display the following acknowledgement: |
16 | * This product includes software developed by Marc Horowitz. |
17 | * 4. The name of the author may not be used to endorse or promote products |
18 | * derived from this software without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
21 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
23 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #include <sys/cdefs.h> |
33 | __KERNEL_RCSID(0, "$NetBSD: aic_pcmcia.c,v 1.43 2009/11/12 19:24:06 dyoung Exp $" ); |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/systm.h> |
37 | #include <sys/select.h> |
38 | #include <sys/device.h> |
39 | |
40 | #include <sys/cpu.h> |
41 | #include <sys/bus.h> |
42 | #include <sys/intr.h> |
43 | |
44 | #include <dev/scsipi/scsipi_all.h> |
45 | #include <dev/scsipi/scsipiconf.h> |
46 | #include <dev/scsipi/scsi_all.h> |
47 | |
48 | #include <dev/ic/aic6360var.h> |
49 | |
50 | #include <dev/pcmcia/pcmciareg.h> |
51 | #include <dev/pcmcia/pcmciavar.h> |
52 | #include <dev/pcmcia/pcmciadevs.h> |
53 | |
54 | struct aic_pcmcia_softc { |
55 | struct aic_softc sc_aic; /* real "aic" softc */ |
56 | |
57 | /* PCMCIA-specific goo. */ |
58 | struct pcmcia_function *sc_pf; /* our PCMCIA function */ |
59 | void *sc_ih; /* interrupt handler */ |
60 | |
61 | int sc_state; |
62 | #define AIC_PCMCIA_ATTACHED 3 |
63 | }; |
64 | |
65 | static int aic_pcmcia_match(device_t, cfdata_t, void *); |
66 | static int aic_pcmcia_validate_config(struct pcmcia_config_entry *); |
67 | static void aic_pcmcia_attach(device_t, device_t, void *); |
68 | static int aic_pcmcia_detach(device_t, int); |
69 | static int aic_pcmcia_enable(device_t, int); |
70 | |
71 | CFATTACH_DECL_NEW(aic_pcmcia, sizeof(struct aic_pcmcia_softc), |
72 | aic_pcmcia_match, aic_pcmcia_attach, aic_pcmcia_detach, NULL); |
73 | |
74 | static const struct pcmcia_product aic_pcmcia_products[] = { |
75 | { PCMCIA_VENDOR_ADAPTEC, PCMCIA_PRODUCT_ADAPTEC_APA1460, |
76 | PCMCIA_CIS_INVALID }, |
77 | |
78 | { PCMCIA_VENDOR_ADAPTEC, PCMCIA_PRODUCT_ADAPTEC_APA1460A, |
79 | PCMCIA_CIS_INVALID }, |
80 | |
81 | { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BUSTOASTER, |
82 | PCMCIA_CIS_INVALID }, |
83 | }; |
84 | static const size_t aic_pcmcia_nproducts = __arraycount(aic_pcmcia_products); |
85 | |
86 | int |
87 | aic_pcmcia_match(device_t parent, cfdata_t match, void *aux) |
88 | { |
89 | struct pcmcia_attach_args *pa = aux; |
90 | |
91 | if (pcmcia_product_lookup(pa, aic_pcmcia_products, aic_pcmcia_nproducts, |
92 | sizeof(aic_pcmcia_products[0]), NULL)) |
93 | return (1); |
94 | return (0); |
95 | } |
96 | |
97 | int |
98 | aic_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
99 | { |
100 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
101 | cfe->num_memspace != 0 || |
102 | cfe->num_iospace != 1) |
103 | return (EINVAL); |
104 | return (0); |
105 | } |
106 | |
107 | void |
108 | aic_pcmcia_attach(device_t parent, device_t self, void *aux) |
109 | { |
110 | struct aic_pcmcia_softc *psc = device_private(self); |
111 | struct aic_softc *sc = &psc->sc_aic; |
112 | struct pcmcia_attach_args *pa = aux; |
113 | struct pcmcia_config_entry *cfe; |
114 | struct pcmcia_function *pf = pa->pf; |
115 | int error; |
116 | |
117 | sc->sc_dev = self; |
118 | psc->sc_pf = pf; |
119 | |
120 | error = pcmcia_function_configure(pf, aic_pcmcia_validate_config); |
121 | if (error) { |
122 | aprint_error_dev(self, "configure failed, error=%d\n" , error); |
123 | return; |
124 | } |
125 | |
126 | cfe = pf->cfe; |
127 | sc->sc_iot = cfe->iospace[0].handle.iot; |
128 | sc->sc_ioh = cfe->iospace[0].handle.ioh; |
129 | |
130 | error = aic_pcmcia_enable(self, 1); |
131 | if (error) |
132 | goto fail; |
133 | |
134 | if (!aic_find(sc->sc_iot, sc->sc_ioh)) { |
135 | aprint_error_dev(self, "unable to detect chip!\n" ); |
136 | goto fail2; |
137 | } |
138 | |
139 | /* We can enable and disable the controller. */ |
140 | sc->sc_adapter.adapt_enable = aic_pcmcia_enable; |
141 | sc->sc_adapter.adapt_refcnt = 1; |
142 | |
143 | aicattach(sc); |
144 | scsipi_adapter_delref(&sc->sc_adapter); |
145 | psc->sc_state = AIC_PCMCIA_ATTACHED; |
146 | return; |
147 | |
148 | fail2: |
149 | aic_pcmcia_enable(self, 0); |
150 | fail: |
151 | pcmcia_function_unconfigure(pf); |
152 | } |
153 | |
154 | int |
155 | aic_pcmcia_detach(device_t self, int flags) |
156 | { |
157 | struct aic_pcmcia_softc *psc = device_private(self); |
158 | int error; |
159 | |
160 | if (psc->sc_state != AIC_PCMCIA_ATTACHED) |
161 | return (0); |
162 | |
163 | error = aic_detach(self, flags); |
164 | if (error) |
165 | return (error); |
166 | |
167 | pcmcia_function_unconfigure(psc->sc_pf); |
168 | |
169 | return (0); |
170 | } |
171 | |
172 | int |
173 | aic_pcmcia_enable(device_t self, int onoff) |
174 | { |
175 | struct aic_pcmcia_softc *psc = device_private(self); |
176 | struct aic_softc *sc = &psc->sc_aic; |
177 | int error; |
178 | |
179 | if (onoff) { |
180 | /* Establish the interrupt handler. */ |
181 | psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_BIO, |
182 | aicintr, sc); |
183 | if (!psc->sc_ih) |
184 | return (EIO); |
185 | |
186 | error = pcmcia_function_enable(psc->sc_pf); |
187 | if (error) { |
188 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
189 | psc->sc_ih = 0; |
190 | return (error); |
191 | } |
192 | |
193 | /* Initialize only chip. */ |
194 | aic_init(sc, 0); |
195 | } else { |
196 | pcmcia_function_disable(psc->sc_pf); |
197 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
198 | psc->sc_ih = 0; |
199 | } |
200 | |
201 | return (0); |
202 | } |
203 | |