2 * Copyright (c) 1999,2000 Jonathan Lemon
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/module.h>
39 #include <machine/bus.h>
40 #include <machine/resource.h>
43 #include <dev/pci/pcireg.h>
44 #include <dev/pci/pcivar.h>
46 #include <geom/geom_disk.h>
48 #include <dev/ida/idavar.h>
49 #include <dev/ida/idareg.h>
51 #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF
52 #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF
54 #define IDA_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */
56 #define IDA_DEVICEID_SMART 0xAE100E11
57 #define IDA_DEVICEID_DEC_SMART 0x00461011
58 #define IDA_DEVICEID_NCR_53C1510 0x00101000
61 ida_v3_fifo_full(struct ida_softc *ida)
63 return (ida_inl(ida, R_CMD_FIFO) == 0);
67 ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb)
69 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
73 ida_v3_done(struct ida_softc *ida)
77 completed = ida_inl(ida, R_DONE_FIFO);
78 if (completed == -1) {
79 return (0); /* fifo is empty */
85 ida_v3_int_pending(struct ida_softc *ida)
87 return (ida_inl(ida, R_INT_PENDING));
91 ida_v3_int_enable(struct ida_softc *ida, int enable)
94 ida->flags |= IDA_INTERRUPTS;
96 ida->flags &= ~IDA_INTERRUPTS;
97 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
101 ida_v4_fifo_full(struct ida_softc *ida)
103 return (ida_inl(ida, R_42XX_REQUEST) != 0);
107 ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
109 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
113 ida_v4_done(struct ida_softc *ida)
115 bus_addr_t completed;
117 completed = ida_inl(ida, R_42XX_REPLY);
119 return (0); /* fifo is empty */
120 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
125 ida_v4_int_pending(struct ida_softc *ida)
127 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
131 ida_v4_int_enable(struct ida_softc *ida, int enable)
134 ida->flags |= IDA_INTERRUPTS;
136 ida->flags &= ~IDA_INTERRUPTS;
137 ida_outl(ida, R_42XX_INT_MASK,
138 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX);
141 static struct ida_access ida_v3_access = {
149 static struct ida_access ida_v4_access = {
157 static struct ida_board board_id[] = {
158 { 0x40300E11, "Compaq SMART-2/P array controller",
160 { 0x40310E11, "Compaq SMART-2SL array controller",
162 { 0x40320E11, "Compaq Smart Array 3200 controller",
164 { 0x40330E11, "Compaq Smart Array 3100ES controller",
166 { 0x40340E11, "Compaq Smart Array 221 controller",
169 { 0x40400E11, "Compaq Integrated Array controller",
170 &ida_v4_access, IDA_FIRMWARE },
171 { 0x40480E11, "Compaq RAID LC2 controller",
172 &ida_v4_access, IDA_FIRMWARE },
173 { 0x40500E11, "Compaq Smart Array 4200 controller",
175 { 0x40510E11, "Compaq Smart Array 4250ES controller",
177 { 0x40580E11, "Compaq Smart Array 431 controller",
183 static int ida_pci_probe(device_t dev);
184 static int ida_pci_attach(device_t dev);
186 static device_method_t ida_pci_methods[] = {
187 DEVMETHOD(device_probe, ida_pci_probe),
188 DEVMETHOD(device_attach, ida_pci_attach),
189 DEVMETHOD(device_detach, ida_detach),
194 static driver_t ida_pci_driver = {
197 sizeof(struct ida_softc)
200 static devclass_t ida_devclass;
202 static struct ida_board *
203 ida_pci_match(device_t dev)
206 u_int32_t id, sub_id;
208 id = pci_get_devid(dev);
209 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev);
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]);
222 ida_pci_probe(device_t dev)
224 struct ida_board *board = ida_pci_match(dev);
227 device_set_desc(dev, board->desc);
228 return (BUS_PROBE_DEFAULT);
234 ida_pci_attach(device_t dev)
236 struct ida_board *board = ida_pci_match(dev);
237 u_int32_t id = pci_get_devid(dev);
238 struct ida_softc *ida;
241 ida = (struct ida_softc *)device_get_softc(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);
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);
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");
260 error = bus_dma_tag_create(
261 /* parent */ bus_get_dma_tag(dev),
264 /* lowaddr */ BUS_SPACE_MAXADDR_32BIT,
265 /* highaddr */ BUS_SPACE_MAXADDR,
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,
276 device_printf(dev, "can't allocate DMA tag\n");
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) {
289 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY | INTR_MPSAFE,
290 NULL, ida_intr, ida, &ida->ih);
292 device_printf(dev, "can't setup interrupt\n");
297 error = ida_init(ida);
306 DRIVER_MODULE(ida, pci, ida_pci_driver, ida_devclass, 0, 0);