1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1999,2000 Jonathan Lemon
5 * All rights reserved.
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 AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
34
35 #include <sys/bio.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40
41 #include <machine/bus.h>
42 #include <machine/resource.h>
43 #include <sys/rman.h>
44
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pcivar.h>
47
48 #include <geom/geom_disk.h>
49
50 #include <dev/ida/idavar.h>
51 #include <dev/ida/idareg.h>
52
53 #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF
54 #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF
55
56 #define IDA_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */
57
58 #define IDA_DEVICEID_SMART 0xAE100E11
59 #define IDA_DEVICEID_DEC_SMART 0x00461011
60 #define IDA_DEVICEID_NCR_53C1510 0x00101000
61
62 static int
ida_v3_fifo_full(struct ida_softc * ida)63 ida_v3_fifo_full(struct ida_softc *ida)
64 {
65 return (ida_inl(ida, R_CMD_FIFO) == 0);
66 }
67
68 static void
ida_v3_submit(struct ida_softc * ida,struct ida_qcb * qcb)69 ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb)
70 {
71 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
72 }
73
74 static bus_addr_t
ida_v3_done(struct ida_softc * ida)75 ida_v3_done(struct ida_softc *ida)
76 {
77 bus_addr_t completed;
78
79 completed = ida_inl(ida, R_DONE_FIFO);
80 if (completed == -1) {
81 return (0); /* fifo is empty */
82 }
83 return (completed);
84 }
85
86 static int
ida_v3_int_pending(struct ida_softc * ida)87 ida_v3_int_pending(struct ida_softc *ida)
88 {
89 return (ida_inl(ida, R_INT_PENDING));
90 }
91
92 static void
ida_v3_int_enable(struct ida_softc * ida,int enable)93 ida_v3_int_enable(struct ida_softc *ida, int enable)
94 {
95 if (enable)
96 ida->flags |= IDA_INTERRUPTS;
97 else
98 ida->flags &= ~IDA_INTERRUPTS;
99 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
100 }
101
102 static int
ida_v4_fifo_full(struct ida_softc * ida)103 ida_v4_fifo_full(struct ida_softc *ida)
104 {
105 return (ida_inl(ida, R_42XX_REQUEST) != 0);
106 }
107
108 static void
ida_v4_submit(struct ida_softc * ida,struct ida_qcb * qcb)109 ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
110 {
111 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
112 }
113
114 static bus_addr_t
ida_v4_done(struct ida_softc * ida)115 ida_v4_done(struct ida_softc *ida)
116 {
117 bus_addr_t completed;
118
119 completed = ida_inl(ida, R_42XX_REPLY);
120 if (completed == -1)
121 return (0); /* fifo is empty */
122 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
123 return (completed);
124 }
125
126 static int
ida_v4_int_pending(struct ida_softc * ida)127 ida_v4_int_pending(struct ida_softc *ida)
128 {
129 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
130 }
131
132 static void
ida_v4_int_enable(struct ida_softc * ida,int enable)133 ida_v4_int_enable(struct ida_softc *ida, int enable)
134 {
135 if (enable)
136 ida->flags |= IDA_INTERRUPTS;
137 else
138 ida->flags &= ~IDA_INTERRUPTS;
139 ida_outl(ida, R_42XX_INT_MASK,
140 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX);
141 }
142
143 static struct ida_access ida_v3_access = {
144 ida_v3_fifo_full,
145 ida_v3_submit,
146 ida_v3_done,
147 ida_v3_int_pending,
148 ida_v3_int_enable,
149 };
150
151 static struct ida_access ida_v4_access = {
152 ida_v4_fifo_full,
153 ida_v4_submit,
154 ida_v4_done,
155 ida_v4_int_pending,
156 ida_v4_int_enable,
157 };
158
159 static struct ida_board board_id[] = {
160 { 0x40300E11, "Compaq SMART-2/P array controller",
161 &ida_v3_access, 0 },
162 { 0x40310E11, "Compaq SMART-2SL array controller",
163 &ida_v3_access, 0 },
164 { 0x40320E11, "Compaq Smart Array 3200 controller",
165 &ida_v3_access, 0 },
166 { 0x40330E11, "Compaq Smart Array 3100ES controller",
167 &ida_v3_access, 0 },
168 { 0x40340E11, "Compaq Smart Array 221 controller",
169 &ida_v3_access, 0 },
170
171 { 0x40400E11, "Compaq Integrated Array controller",
172 &ida_v4_access, IDA_FIRMWARE },
173 { 0x40480E11, "Compaq RAID LC2 controller",
174 &ida_v4_access, IDA_FIRMWARE },
175 { 0x40500E11, "Compaq Smart Array 4200 controller",
176 &ida_v4_access, 0 },
177 { 0x40510E11, "Compaq Smart Array 4250ES controller",
178 &ida_v4_access, 0 },
179 { 0x40580E11, "Compaq Smart Array 431 controller",
180 &ida_v4_access, 0 },
181
182 { 0, "", 0, 0 },
183 };
184
185 static int ida_pci_probe(device_t dev);
186 static int ida_pci_attach(device_t dev);
187
188 static device_method_t ida_pci_methods[] = {
189 DEVMETHOD(device_probe, ida_pci_probe),
190 DEVMETHOD(device_attach, ida_pci_attach),
191 DEVMETHOD(device_detach, ida_detach),
192
193 DEVMETHOD_END
194 };
195
196 static driver_t ida_pci_driver = {
197 "ida",
198 ida_pci_methods,
199 sizeof(struct ida_softc)
200 };
201
202 static struct ida_board *
ida_pci_match(device_t dev)203 ida_pci_match(device_t dev)
204 {
205 int i;
206 u_int32_t id, sub_id;
207
208 id = pci_get_devid(dev);
209 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev);
210
211 if (id == IDA_DEVICEID_SMART ||
212 id == IDA_DEVICEID_DEC_SMART ||
213 id == IDA_DEVICEID_NCR_53C1510) {
214 for (i = 0; board_id[i].board; i++)
215 if (board_id[i].board == sub_id)
216 return (&board_id[i]);
217 }
218 return (NULL);
219 }
220
221 static int
ida_pci_probe(device_t dev)222 ida_pci_probe(device_t dev)
223 {
224 struct ida_board *board = ida_pci_match(dev);
225
226 if (board != NULL) {
227 device_set_desc(dev, board->desc);
228 return (BUS_PROBE_DEFAULT);
229 }
230 return (ENXIO);
231 }
232
233 static int
ida_pci_attach(device_t dev)234 ida_pci_attach(device_t dev)
235 {
236 struct ida_board *board = ida_pci_match(dev);
237 u_int32_t id = pci_get_devid(dev);
238 struct ida_softc *ida;
239 int error, rid;
240
241 ida = (struct ida_softc *)device_get_softc(dev);
242 ida->dev = dev;
243 ida->cmd = *board->accessor;
244 ida->flags = board->flags;
245 mtx_init(&ida->lock, "ida", NULL, MTX_DEF);
246 callout_init_mtx(&ida->ch, &ida->lock, 0);
247
248 ida->regs_res_type = SYS_RES_MEMORY;
249 ida->regs_res_id = IDA_PCI_MEMADDR;
250 if (id == IDA_DEVICEID_DEC_SMART)
251 ida->regs_res_id = PCIR_BAR(0);
252
253 ida->regs = bus_alloc_resource_any(dev, ida->regs_res_type,
254 &ida->regs_res_id, RF_ACTIVE);
255 if (ida->regs == NULL) {
256 device_printf(dev, "can't allocate memory resources\n");
257 return (ENOMEM);
258 }
259
260 error = bus_dma_tag_create(
261 /* parent */ bus_get_dma_tag(dev),
262 /* alignment */ 1,
263 /* boundary */ 0,
264 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
265 /* highaddr */ BUS_SPACE_MAXADDR,
266 /* filter */ NULL,
267 /* filterarg */ NULL,
268 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
269 /* nsegments */ BUS_SPACE_UNRESTRICTED,
270 /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT,
271 /* flags */ BUS_DMA_ALLOCNOW,
272 /* lockfunc */ NULL,
273 /* lockarg */ NULL,
274 &ida->parent_dmat);
275 if (error != 0) {
276 device_printf(dev, "can't allocate DMA tag\n");
277 ida_free(ida);
278 return (ENOMEM);
279 }
280
281 rid = 0;
282 ida->irq_res_type = SYS_RES_IRQ;
283 ida->irq = bus_alloc_resource_any(dev, ida->irq_res_type, &rid,
284 RF_ACTIVE | RF_SHAREABLE);
285 if (ida->irq == NULL) {
286 ida_free(ida);
287 return (ENOMEM);
288 }
289 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY | INTR_MPSAFE,
290 NULL, ida_intr, ida, &ida->ih);
291 if (error) {
292 device_printf(dev, "can't setup interrupt\n");
293 ida_free(ida);
294 return (ENOMEM);
295 }
296
297 error = ida_setup(ida);
298 if (error) {
299 ida_free(ida);
300 return (error);
301 }
302
303 return (0);
304 }
305
306 DRIVER_MODULE(ida, pci, ida_pci_driver, 0, 0);
307 MODULE_PNP_INFO("W32:vendor/device;D:#", pci, ida, board_id,
308 nitems(board_id) - 1);
309