1 | /* $NetBSD: ahc_cardbus.c,v 1.36 2016/07/14 04:00:45 msaitoh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2000, 2005 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center. |
10 | * |
11 | * Redistribution and use in source and binary forms, with or without |
12 | * modification, are permitted provided that the following conditions |
13 | * are met: |
14 | * 1. Redistributions of source code must retain the above copyright |
15 | * notice, this list of conditions and the following disclaimer. |
16 | * 2. Redistributions in binary form must reproduce the above copyright |
17 | * notice, this list of conditions and the following disclaimer in the |
18 | * documentation and/or other materials provided with the distribution. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
30 | * POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * CardBus front-end for the Adaptec AIC-7xxx family of SCSI controllers. |
35 | * |
36 | * TODO: |
37 | * - power management |
38 | */ |
39 | |
40 | #include <sys/cdefs.h> |
41 | __KERNEL_RCSID(0, "$NetBSD: ahc_cardbus.c,v 1.36 2016/07/14 04:00:45 msaitoh Exp $" ); |
42 | |
43 | #include "opt_ahc_cardbus.h" |
44 | |
45 | #include <sys/param.h> |
46 | #include <sys/systm.h> |
47 | #include <sys/malloc.h> |
48 | #include <sys/kernel.h> |
49 | #include <sys/queue.h> |
50 | #include <sys/device.h> |
51 | |
52 | #include <sys/bus.h> |
53 | #include <sys/intr.h> |
54 | |
55 | #include <dev/scsipi/scsi_all.h> |
56 | #include <dev/scsipi/scsipi_all.h> |
57 | #include <dev/scsipi/scsiconf.h> |
58 | |
59 | #include <dev/pci/pcireg.h> |
60 | |
61 | #include <dev/cardbus/cardbusvar.h> |
62 | #include <dev/pci/pcidevs.h> |
63 | |
64 | #include <dev/ic/aic7xxx_osm.h> |
65 | #include <dev/ic/aic7xxx_inline.h> |
66 | |
67 | |
68 | #ifndef AHC_CARDBUS_DEFAULT_SCSI_ID |
69 | #define AHC_CARDBUS_DEFAULT_SCSI_ID 0x7 |
70 | #endif |
71 | |
72 | #define AHC_CARDBUS_IOBA 0x10 |
73 | #define AHC_CARDBUS_MMBA 0x14 |
74 | |
75 | struct ahc_cardbus_softc { |
76 | struct ahc_softc sc_ahc; /* real AHC */ |
77 | |
78 | /* CardBus-specific goo. */ |
79 | cardbus_devfunc_t sc_ct; /* our CardBus devfuncs */ |
80 | pcitag_t sc_tag; |
81 | |
82 | int sc_bar; |
83 | pcireg_t sc_csr; |
84 | bus_size_t sc_size; |
85 | }; |
86 | |
87 | int ahc_cardbus_match(device_t, cfdata_t, void *); |
88 | void ahc_cardbus_attach(device_t, device_t, void *); |
89 | int ahc_cardbus_detach(device_t, int); |
90 | |
91 | CFATTACH_DECL_NEW(ahc_cardbus, sizeof(struct ahc_cardbus_softc), |
92 | ahc_cardbus_match, ahc_cardbus_attach, ahc_cardbus_detach, NULL); |
93 | |
94 | int |
95 | ahc_cardbus_match(device_t parent, cfdata_t match, void *aux) |
96 | { |
97 | struct cardbus_attach_args *ca = aux; |
98 | |
99 | if (PCI_VENDOR(ca->ca_id) == PCI_VENDOR_ADP && |
100 | PCI_PRODUCT(ca->ca_id) == PCI_PRODUCT_ADP_APA1480) |
101 | return (1); |
102 | |
103 | return (0); |
104 | } |
105 | |
106 | void |
107 | ahc_cardbus_attach(device_t parent, device_t self, void *aux) |
108 | { |
109 | struct cardbus_attach_args *ca = aux; |
110 | struct ahc_cardbus_softc *csc = device_private(self); |
111 | struct ahc_softc *ahc = &csc->sc_ahc; |
112 | cardbus_devfunc_t ct = ca->ca_ct; |
113 | bus_space_tag_t bst; |
114 | bus_space_handle_t bsh; |
115 | pcireg_t reg; |
116 | u_int sxfrctl1 = 0; |
117 | u_char sblkctl; |
118 | |
119 | |
120 | ahc->sc_dev = self; |
121 | csc->sc_ct = ct; |
122 | csc->sc_tag = ca->ca_tag; |
123 | |
124 | printf(": Adaptec ADP-1480 SCSI\n" ); |
125 | |
126 | /* |
127 | * Map the device. |
128 | */ |
129 | csc->sc_csr = PCI_COMMAND_MASTER_ENABLE; |
130 | if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_MMBA, |
131 | PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0, |
132 | &bst, &bsh, NULL, &csc->sc_size) == 0) { |
133 | csc->sc_bar = AHC_CARDBUS_MMBA; |
134 | csc->sc_csr |= PCI_COMMAND_MEM_ENABLE; |
135 | } else if (Cardbus_mapreg_map(csc->sc_ct, AHC_CARDBUS_IOBA, |
136 | PCI_MAPREG_TYPE_IO, 0, &bst, &bsh, NULL, &csc->sc_size) == 0) { |
137 | csc->sc_bar = AHC_CARDBUS_IOBA; |
138 | csc->sc_csr |= PCI_COMMAND_IO_ENABLE; |
139 | } else { |
140 | csc->sc_bar = 0; |
141 | aprint_error("%s: unable to map device registers\n" , |
142 | ahc_name(ahc)); |
143 | return; |
144 | } |
145 | |
146 | /* Enable the appropriate bits in the PCI CSR. */ |
147 | reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG); |
148 | reg &= ~(PCI_COMMAND_IO_ENABLE|PCI_COMMAND_MEM_ENABLE); |
149 | reg |= csc->sc_csr; |
150 | Cardbus_conf_write(ct, ca->ca_tag, PCI_COMMAND_STATUS_REG, reg); |
151 | |
152 | /* |
153 | * Make sure the latency timer is set to some reasonable |
154 | * value. |
155 | */ |
156 | reg = Cardbus_conf_read(ct, ca->ca_tag, PCI_BHLC_REG); |
157 | if (PCI_LATTIMER(reg) < 0x20) { |
158 | reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); |
159 | reg |= (0x20 << PCI_LATTIMER_SHIFT); |
160 | Cardbus_conf_write(ct, ca->ca_tag, PCI_BHLC_REG, reg); |
161 | } |
162 | |
163 | ahc_set_name(ahc, device_xname(ahc->sc_dev)); |
164 | |
165 | ahc->parent_dmat = ca->ca_dmat; |
166 | ahc->tag = bst; |
167 | ahc->bsh = bsh; |
168 | |
169 | /* |
170 | * ADP-1480 is always an AIC-7860. |
171 | */ |
172 | ahc->chip = AHC_AIC7860 | AHC_PCI; |
173 | ahc->features = AHC_AIC7860_FE|AHC_REMOVABLE; |
174 | ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG; |
175 | if (PCI_REVISION(ca->ca_class) >= 1) |
176 | ahc->bugs |= AHC_PCI_2_1_RETRY_BUG; |
177 | |
178 | if (ahc_softc_init(ahc) != 0) |
179 | return; |
180 | |
181 | /* |
182 | * On all CardBus adapters, we allow SCB paging. |
183 | */ |
184 | ahc->flags = AHC_PAGESCBS; |
185 | |
186 | ahc->channel = 'A'; |
187 | |
188 | ahc_intr_enable(ahc, FALSE); |
189 | |
190 | ahc_reset(ahc); |
191 | |
192 | /* |
193 | * Establish the interrupt. |
194 | */ |
195 | ahc->ih = Cardbus_intr_establish(ct, IPL_BIO, ahc_intr, ahc); |
196 | if (ahc->ih == NULL) { |
197 | aprint_error("%s: unable to establish interrupt\n" , |
198 | ahc_name(ahc)); |
199 | return; |
200 | } |
201 | |
202 | ahc->seep_config = malloc(sizeof(*ahc->seep_config), |
203 | M_DEVBUF, M_NOWAIT); |
204 | if (ahc->seep_config == NULL) |
205 | return; |
206 | |
207 | ahc_check_extport(ahc, &sxfrctl1); |
208 | /* |
209 | * Take the LED out of diagnostic mode. |
210 | */ |
211 | sblkctl = ahc_inb(ahc, SBLKCTL); |
212 | ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON))); |
213 | |
214 | /* |
215 | * I don't know where this is set in the SEEPROM or by the |
216 | * BIOS, so we default to 100%. |
217 | */ |
218 | ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100); |
219 | |
220 | if (ahc->flags & AHC_USEDEFAULTS) { |
221 | int our_id; |
222 | /* |
223 | * Assume only one connector and always turn |
224 | * on termination. |
225 | */ |
226 | our_id = AHC_CARDBUS_DEFAULT_SCSI_ID; |
227 | sxfrctl1 = STPWEN; |
228 | ahc_outb(ahc, SCSICONF, our_id | ENSPCHK | RESET_SCSI); |
229 | ahc->our_id = our_id; |
230 | } |
231 | |
232 | printf("%s: aic7860" , ahc_name(ahc)); |
233 | |
234 | /* |
235 | * Record our termination setting for the |
236 | * generic initialization routine. |
237 | */ |
238 | if ((sxfrctl1 & STPWEN) != 0) |
239 | ahc->flags |= AHC_TERM_ENB_A; |
240 | |
241 | if (ahc_init(ahc)) { |
242 | ahc_free(ahc); |
243 | return; |
244 | } |
245 | |
246 | ahc_attach(ahc); |
247 | } |
248 | |
249 | int |
250 | ahc_cardbus_detach(device_t self, int flags) |
251 | { |
252 | struct ahc_cardbus_softc *csc = device_private(self); |
253 | struct ahc_softc *ahc = &csc->sc_ahc; |
254 | |
255 | int rv; |
256 | |
257 | rv = ahc_detach(ahc, flags); |
258 | if (rv) |
259 | return rv; |
260 | |
261 | if (ahc->ih) { |
262 | Cardbus_intr_disestablish(csc->sc_ct, ahc->ih); |
263 | ahc->ih = 0; |
264 | } |
265 | |
266 | if (csc->sc_bar != 0) { |
267 | Cardbus_mapreg_unmap(csc->sc_ct, csc->sc_bar, |
268 | ahc->tag, ahc->bsh, csc->sc_size); |
269 | csc->sc_bar = 0; |
270 | } |
271 | |
272 | return (0); |
273 | } |
274 | |