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1/*-
2 * Copyright (c) 1999,2000 Jonathan Lemon
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/dev/ida/ida_pci.c 117126 2003-07-01 15:52:06Z scottl $
26 * $FreeBSD: head/sys/dev/ida/ida_pci.c 119280 2003-08-22 06:00:27Z imp $
27 */
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/kernel.h>
32
33#include <sys/bio.h>
34#include <sys/bus.h>
35#include <sys/conf.h>
36
37#include <machine/bus_memio.h>
38#include <machine/bus_pio.h>
39#include <machine/bus.h>
40#include <machine/resource.h>
41#include <sys/rman.h>
42
43#include
44#include
43#include <dev/pci/pcireg.h>
44#include <dev/pci/pcivar.h>
45
46#include <geom/geom_disk.h>
47
48#include <dev/ida/idavar.h>
49#include <dev/ida/idareg.h>
50
51#define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF
52#define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF
53
54#define IDA_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */
55
56#define IDA_DEVICEID_SMART 0xAE100E11
57#define IDA_DEVICEID_DEC_SMART 0x00461011
58#define IDA_DEVICEID_NCR_53C1510 0x00101000
59
60static int
61ida_v3_fifo_full(struct ida_softc *ida)
62{
63 return (ida_inl(ida, R_CMD_FIFO) == 0);
64}
65
66static void
67ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb)
68{
69 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
70}
71
72static bus_addr_t
73ida_v3_done(struct ida_softc *ida)
74{
75 return (ida_inl(ida, R_DONE_FIFO));
76}
77
78static int
79ida_v3_int_pending(struct ida_softc *ida)
80{
81 return (ida_inl(ida, R_INT_PENDING));
82}
83
84static void
85ida_v3_int_enable(struct ida_softc *ida, int enable)
86{
87 if (enable)
88 ida->flags |= IDA_INTERRUPTS;
89 else
90 ida->flags &= ~IDA_INTERRUPTS;
91 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
92}
93
94static int
95ida_v4_fifo_full(struct ida_softc *ida)
96{
97 return (ida_inl(ida, R_42XX_REQUEST) != 0);
98}
99
100static void
101ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
102{
103 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
104}
105
106static bus_addr_t
107ida_v4_done(struct ida_softc *ida)
108{
109 bus_addr_t completed;
110
111 completed = ida_inl(ida, R_42XX_REPLY);
112 if (completed == -1)
113 return (0); /* fifo is empty */
114 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
115 return (completed);
116}
117
118static int
119ida_v4_int_pending(struct ida_softc *ida)
120{
121 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
122}
123
124static void
125ida_v4_int_enable(struct ida_softc *ida, int enable)
126{
127 if (enable)
128 ida->flags |= IDA_INTERRUPTS;
129 else
130 ida->flags &= ~IDA_INTERRUPTS;
131 ida_outl(ida, R_42XX_INT_MASK,
132 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX);
133}
134
135static struct ida_access ida_v3_access = {
136 ida_v3_fifo_full,
137 ida_v3_submit,
138 ida_v3_done,
139 ida_v3_int_pending,
140 ida_v3_int_enable,
141};
142
143static struct ida_access ida_v4_access = {
144 ida_v4_fifo_full,
145 ida_v4_submit,
146 ida_v4_done,
147 ida_v4_int_pending,
148 ida_v4_int_enable,
149};
150
151static struct ida_board board_id[] = {
152 { 0x40300E11, "Compaq SMART-2/P array controller",
153 &ida_v3_access, 0 },
154 { 0x40310E11, "Compaq SMART-2SL array controller",
155 &ida_v3_access, 0 },
156 { 0x40320E11, "Compaq Smart Array 3200 controller",
157 &ida_v3_access, 0 },
158 { 0x40330E11, "Compaq Smart Array 3100ES controller",
159 &ida_v3_access, 0 },
160 { 0x40340E11, "Compaq Smart Array 221 controller",
161 &ida_v3_access, 0 },
162
163 { 0x40400E11, "Compaq Integrated Array controller",
164 &ida_v4_access, IDA_FIRMWARE },
165 { 0x40480E11, "Compaq RAID LC2 controller",
166 &ida_v4_access, IDA_FIRMWARE },
167 { 0x40500E11, "Compaq Smart Array 4200 controller",
168 &ida_v4_access, 0 },
169 { 0x40510E11, "Compaq Smart Array 4250ES controller",
170 &ida_v4_access, 0 },
171 { 0x40580E11, "Compaq Smart Array 431 controller",
172 &ida_v4_access, 0 },
173
174 { 0, "", 0, 0 },
175};
176
177static int ida_pci_probe(device_t dev);
178static int ida_pci_attach(device_t dev);
179
180static device_method_t ida_pci_methods[] = {
181 DEVMETHOD(device_probe, ida_pci_probe),
182 DEVMETHOD(device_attach, ida_pci_attach),
183 DEVMETHOD(device_detach, ida_detach),
184
185 DEVMETHOD(bus_print_child, bus_generic_print_child),
186
187 { 0, 0 }
188};
189
190static driver_t ida_pci_driver = {
191 "ida",
192 ida_pci_methods,
193 sizeof(struct ida_softc)
194};
195
196static devclass_t ida_devclass;
197
198static struct ida_board *
199ida_pci_match(device_t dev)
200{
201 int i;
202 u_int32_t id, sub_id;
203
204 id = pci_get_devid(dev);
205 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev);
206
207 if (id == IDA_DEVICEID_SMART ||
208 id == IDA_DEVICEID_DEC_SMART ||
209 id == IDA_DEVICEID_NCR_53C1510) {
210 for (i = 0; board_id[i].board; i++)
211 if (board_id[i].board == sub_id)
212 return (&board_id[i]);
213 }
214 return (NULL);
215}
216
217static int
218ida_pci_probe(device_t dev)
219{
220 struct ida_board *board = ida_pci_match(dev);
221
222 if (board != NULL) {
223 device_set_desc(dev, board->desc);
224 return (0);
225 }
226 return (ENXIO);
227}
228
229static int
230ida_pci_attach(device_t dev)
231{
232 struct ida_board *board = ida_pci_match(dev);
233 u_int32_t id = pci_get_devid(dev);
234 struct ida_softc *ida;
235 u_int command;
236 int error, rid;
237
238 command = pci_read_config(dev, PCIR_COMMAND, 1);
239
240 /*
241 * it appears that this board only does MEMIO access.
242 */
243 if ((command & PCIM_CMD_MEMEN) == 0) {
244 device_printf(dev, "Only memory mapped I/O is supported\n");
245 return (ENXIO);
246 }
247
248 ida = (struct ida_softc *)device_get_softc(dev);
249 ida->dev = dev;
250 ida->cmd = *board->accessor;
251 ida->flags = board->flags;
252
253 ida->regs_res_type = SYS_RES_MEMORY;
254 ida->regs_res_id = IDA_PCI_MEMADDR;
255 if (id == IDA_DEVICEID_DEC_SMART)
256 ida->regs_res_id = PCIR_MAPS;
257
258 ida->regs = bus_alloc_resource(dev, ida->regs_res_type,
259 &ida->regs_res_id, 0, ~0, 1, RF_ACTIVE);
260 if (ida->regs == NULL) {
261 device_printf(dev, "can't allocate memory resources\n");
262 return (ENOMEM);
263 }
264
265 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
266 /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
267 /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL,
268 /*maxsize*/MAXBSIZE, /*nsegments*/IDA_NSEG,
269 /*maxsegsize*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/BUS_DMA_ALLOCNOW,
270 /*lockfunc*/NULL, /*lockarg*/NULL, &ida->parent_dmat);
271 if (error != 0) {
272 device_printf(dev, "can't allocate DMA tag\n");
273 ida_free(ida);
274 return (ENOMEM);
275 }
276
277 rid = 0;
278 ida->irq_res_type = SYS_RES_IRQ;
279 ida->irq = bus_alloc_resource(dev, ida->irq_res_type, &rid,
280 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
281 if (ida->irq == NULL) {
282 ida_free(ida);
283 return (ENOMEM);
284 }
285 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY,
286 ida_intr, ida, &ida->ih);
287 if (error) {
288 device_printf(dev, "can't setup interrupt\n");
289 ida_free(ida);
290 return (ENOMEM);
291 }
292
293 error = ida_init(ida);
294 if (error) {
295 ida_free(ida);
296 return (error);
297 }
298 ida_attach(ida);
299 ida->flags |= IDA_ATTACHED;
300
301 return (0);
302}
303
304DRIVER_MODULE(ida, pci, ida_pci_driver, ida_devclass, 0, 0);