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/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/module.h>
33
34 #include <sys/bio.h>
35 #include <sys/bus.h>
36 #include <sys/conf.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39
40 #include <machine/bus.h>
41 #include <machine/resource.h>
42 #include <sys/rman.h>
43
44 #include <dev/pci/pcireg.h>
45 #include <dev/pci/pcivar.h>
46
47 #include <geom/geom_disk.h>
48
49 #include <dev/ida/idavar.h>
50 #include <dev/ida/idareg.h>
51
52 #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF
53 #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF
54
55 #define IDA_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */
56
57 #define IDA_DEVICEID_SMART 0xAE100E11
58 #define IDA_DEVICEID_DEC_SMART 0x00461011
59 #define IDA_DEVICEID_NCR_53C1510 0x00101000
60
61 static int
ida_v3_fifo_full(struct ida_softc * ida)62 ida_v3_fifo_full(struct ida_softc *ida)
63 {
64 return (ida_inl(ida, R_CMD_FIFO) == 0);
65 }
66
67 static void
ida_v3_submit(struct ida_softc * ida,struct ida_qcb * qcb)68 ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb)
69 {
70 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
71 }
72
73 static bus_addr_t
ida_v3_done(struct ida_softc * ida)74 ida_v3_done(struct ida_softc *ida)
75 {
76 bus_addr_t completed;
77
78 completed = ida_inl(ida, R_DONE_FIFO);
79 if (completed == -1) {
80 return (0); /* fifo is empty */
81 }
82 return (completed);
83 }
84
85 static int
ida_v3_int_pending(struct ida_softc * ida)86 ida_v3_int_pending(struct ida_softc *ida)
87 {
88 return (ida_inl(ida, R_INT_PENDING));
89 }
90
91 static void
ida_v3_int_enable(struct ida_softc * ida,int enable)92 ida_v3_int_enable(struct ida_softc *ida, int enable)
93 {
94 if (enable)
95 ida->flags |= IDA_INTERRUPTS;
96 else
97 ida->flags &= ~IDA_INTERRUPTS;
98 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
99 }
100
101 static int
ida_v4_fifo_full(struct ida_softc * ida)102 ida_v4_fifo_full(struct ida_softc *ida)
103 {
104 return (ida_inl(ida, R_42XX_REQUEST) != 0);
105 }
106
107 static void
ida_v4_submit(struct ida_softc * ida,struct ida_qcb * qcb)108 ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
109 {
110 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
111 }
112
113 static bus_addr_t
ida_v4_done(struct ida_softc * ida)114 ida_v4_done(struct ida_softc *ida)
115 {
116 bus_addr_t completed;
117
118 completed = ida_inl(ida, R_42XX_REPLY);
119 if (completed == -1)
120 return (0); /* fifo is empty */
121 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
122 return (completed);
123 }
124
125 static int
ida_v4_int_pending(struct ida_softc * ida)126 ida_v4_int_pending(struct ida_softc *ida)
127 {
128 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
129 }
130
131 static void
ida_v4_int_enable(struct ida_softc * ida,int enable)132 ida_v4_int_enable(struct ida_softc *ida, int enable)
133 {
134 if (enable)
135 ida->flags |= IDA_INTERRUPTS;
136 else
137 ida->flags &= ~IDA_INTERRUPTS;
138 ida_outl(ida, R_42XX_INT_MASK,
139 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX);
140 }
141
142 static struct ida_access ida_v3_access = {
143 ida_v3_fifo_full,
144 ida_v3_submit,
145 ida_v3_done,
146 ida_v3_int_pending,
147 ida_v3_int_enable,
148 };
149
150 static struct ida_access ida_v4_access = {
151 ida_v4_fifo_full,
152 ida_v4_submit,
153 ida_v4_done,
154 ida_v4_int_pending,
155 ida_v4_int_enable,
156 };
157
158 static struct ida_board board_id[] = {
159 { 0x40300E11, "Compaq SMART-2/P array controller",
160 &ida_v3_access, 0 },
161 { 0x40310E11, "Compaq SMART-2SL array controller",
162 &ida_v3_access, 0 },
163 { 0x40320E11, "Compaq Smart Array 3200 controller",
164 &ida_v3_access, 0 },
165 { 0x40330E11, "Compaq Smart Array 3100ES controller",
166 &ida_v3_access, 0 },
167 { 0x40340E11, "Compaq Smart Array 221 controller",
168 &ida_v3_access, 0 },
169
170 { 0x40400E11, "Compaq Integrated Array controller",
171 &ida_v4_access, IDA_FIRMWARE },
172 { 0x40480E11, "Compaq RAID LC2 controller",
173 &ida_v4_access, IDA_FIRMWARE },
174 { 0x40500E11, "Compaq Smart Array 4200 controller",
175 &ida_v4_access, 0 },
176 { 0x40510E11, "Compaq Smart Array 4250ES controller",
177 &ida_v4_access, 0 },
178 { 0x40580E11, "Compaq Smart Array 431 controller",
179 &ida_v4_access, 0 },
180
181 { 0, "", 0, 0 },
182 };
183
184 static int ida_pci_probe(device_t dev);
185 static int ida_pci_attach(device_t dev);
186
187 static device_method_t ida_pci_methods[] = {
188 DEVMETHOD(device_probe, ida_pci_probe),
189 DEVMETHOD(device_attach, ida_pci_attach),
190 DEVMETHOD(device_detach, ida_detach),
191
192 DEVMETHOD_END
193 };
194
195 static driver_t ida_pci_driver = {
196 "ida",
197 ida_pci_methods,
198 sizeof(struct ida_softc)
199 };
200
201 static struct ida_board *
ida_pci_match(device_t dev)202 ida_pci_match(device_t dev)
203 {
204 int i;
205 u_int32_t id, sub_id;
206
207 id = pci_get_devid(dev);
208 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev);
209
210 if (id == IDA_DEVICEID_SMART ||
211 id == IDA_DEVICEID_DEC_SMART ||
212 id == IDA_DEVICEID_NCR_53C1510) {
213 for (i = 0; board_id[i].board; i++)
214 if (board_id[i].board == sub_id)
215 return (&board_id[i]);
216 }
217 return (NULL);
218 }
219
220 static int
ida_pci_probe(device_t dev)221 ida_pci_probe(device_t dev)
222 {
223 struct ida_board *board = ida_pci_match(dev);
224
225 if (board != NULL) {
226 device_set_desc(dev, board->desc);
227 return (BUS_PROBE_DEFAULT);
228 }
229 return (ENXIO);
230 }
231
232 static int
ida_pci_attach(device_t dev)233 ida_pci_attach(device_t dev)
234 {
235 struct ida_board *board = ida_pci_match(dev);
236 u_int32_t id = pci_get_devid(dev);
237 struct ida_softc *ida;
238 int error, rid;
239
240 ida = (struct ida_softc *)device_get_softc(dev);
241 ida->dev = dev;
242 ida->cmd = *board->accessor;
243 ida->flags = board->flags;
244 mtx_init(&ida->lock, "ida", NULL, MTX_DEF);
245 callout_init_mtx(&ida->ch, &ida->lock, 0);
246
247 ida->regs_res_type = SYS_RES_MEMORY;
248 ida->regs_res_id = IDA_PCI_MEMADDR;
249 if (id == IDA_DEVICEID_DEC_SMART)
250 ida->regs_res_id = PCIR_BAR(0);
251
252 ida->regs = bus_alloc_resource_any(dev, ida->regs_res_type,
253 &ida->regs_res_id, RF_ACTIVE);
254 if (ida->regs == NULL) {
255 device_printf(dev, "can't allocate memory resources\n");
256 return (ENOMEM);
257 }
258
259 error = bus_dma_tag_create(
260 /* parent */ bus_get_dma_tag(dev),
261 /* alignment */ 1,
262 /* boundary */ 0,
263 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
264 /* highaddr */ BUS_SPACE_MAXADDR,
265 /* filter */ NULL,
266 /* filterarg */ NULL,
267 /* maxsize */ BUS_SPACE_MAXSIZE_32BIT,
268 /* nsegments */ BUS_SPACE_UNRESTRICTED,
269 /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT,
270 /* flags */ BUS_DMA_ALLOCNOW,
271 /* lockfunc */ NULL,
272 /* lockarg */ NULL,
273 &ida->parent_dmat);
274 if (error != 0) {
275 device_printf(dev, "can't allocate DMA tag\n");
276 ida_free(ida);
277 return (ENOMEM);
278 }
279
280 rid = 0;
281 ida->irq_res_type = SYS_RES_IRQ;
282 ida->irq = bus_alloc_resource_any(dev, ida->irq_res_type, &rid,
283 RF_ACTIVE | RF_SHAREABLE);
284 if (ida->irq == NULL) {
285 ida_free(ida);
286 return (ENOMEM);
287 }
288 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY | INTR_MPSAFE,
289 NULL, ida_intr, ida, &ida->ih);
290 if (error) {
291 device_printf(dev, "can't setup interrupt\n");
292 ida_free(ida);
293 return (ENOMEM);
294 }
295
296 error = ida_setup(ida);
297 if (error) {
298 ida_free(ida);
299 return (error);
300 }
301
302 return (0);
303 }
304
305 DRIVER_MODULE(ida, pci, ida_pci_driver, 0, 0);
306 MODULE_PNP_INFO("W32:vendor/device;D:#", pci, ida, board_id,
307 nitems(board_id) - 1);
308