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
26 * $FreeBSD: src/sys/dev/ida/ida_pci.c,v 1.7.2.7 2001/07/30 20:29:58 jlemon Exp $
27 * $DragonFly: src/sys/dev/raid/ida/ida_pci.c,v 1.3 2003/08/07 21:17:09 dillon Exp $
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/malloc.h>
33 #include <sys/kernel.h>
37 #include <sys/devicestat.h>
40 #include <machine/bus_memio.h>
41 #include <machine/bus_pio.h>
42 #include <machine/bus.h>
43 #include <machine/resource.h>
46 #include <bus/pci/pcireg.h>
47 #include <bus/pci/pcivar.h>
52 #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF
53 #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF
55 #define IDA_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */
57 #define IDA_DEVICEID_SMART 0xAE100E11
58 #define IDA_DEVICEID_DEC_SMART 0x00461011
59 #define IDA_DEVICEID_NCR_53C1510 0x00101000
62 ida_v3_fifo_full(struct ida_softc *ida)
64 return (ida_inl(ida, R_CMD_FIFO) == 0);
68 ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb)
70 ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
74 ida_v3_done(struct ida_softc *ida)
76 return (ida_inl(ida, R_DONE_FIFO));
80 ida_v3_int_pending(struct ida_softc *ida)
82 return (ida_inl(ida, R_INT_PENDING));
86 ida_v3_int_enable(struct ida_softc *ida, int enable)
89 ida->flags |= IDA_INTERRUPTS;
91 ida->flags &= ~IDA_INTERRUPTS;
92 ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
96 ida_v4_fifo_full(struct ida_softc *ida)
98 return (ida_inl(ida, R_42XX_REQUEST) != 0);
102 ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
104 ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
108 ida_v4_done(struct ida_softc *ida)
110 bus_addr_t completed;
112 completed = ida_inl(ida, R_42XX_REPLY);
114 return (0); /* fifo is empty */
115 ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
120 ida_v4_int_pending(struct ida_softc *ida)
122 return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
126 ida_v4_int_enable(struct ida_softc *ida, int enable)
129 ida->flags |= IDA_INTERRUPTS;
131 ida->flags &= ~IDA_INTERRUPTS;
132 ida_outl(ida, R_42XX_INT_MASK,
133 enable ? INT_ENABLE_42XX : INT_DISABLE_42XX);
136 static struct ida_access ida_v3_access = {
144 static struct ida_access ida_v4_access = {
152 static struct ida_board board_id[] = {
153 { 0x40300E11, "Compaq SMART-2/P array controller",
155 { 0x40310E11, "Compaq SMART-2SL array controller",
157 { 0x40320E11, "Compaq Smart Array 3200 controller",
159 { 0x40330E11, "Compaq Smart Array 3100ES controller",
161 { 0x40340E11, "Compaq Smart Array 221 controller",
164 { 0x40400E11, "Compaq Integrated Array controller",
165 &ida_v4_access, IDA_FIRMWARE },
166 { 0x40480E11, "Compaq RAID LC2 controller",
167 &ida_v4_access, IDA_FIRMWARE },
168 { 0x40500E11, "Compaq Smart Array 4200 controller",
170 { 0x40510E11, "Compaq Smart Array 4250ES controller",
172 { 0x40580E11, "Compaq Smart Array 431 controller",
178 static int ida_pci_probe(device_t dev);
179 static int ida_pci_attach(device_t dev);
181 static device_method_t ida_pci_methods[] = {
182 DEVMETHOD(device_probe, ida_pci_probe),
183 DEVMETHOD(device_attach, ida_pci_attach),
184 DEVMETHOD(device_detach, ida_detach),
186 DEVMETHOD(bus_print_child, bus_generic_print_child),
191 static driver_t ida_pci_driver = {
194 sizeof(struct ida_softc)
197 static devclass_t ida_devclass;
199 static struct ida_board *
200 ida_pci_match(device_t dev)
203 u_int32_t id, sub_id;
205 id = pci_get_devid(dev);
206 sub_id = pci_get_subdevice(dev) << 16 | pci_get_subvendor(dev);
208 if (id == IDA_DEVICEID_SMART ||
209 id == IDA_DEVICEID_DEC_SMART ||
210 id == IDA_DEVICEID_NCR_53C1510) {
211 for (i = 0; board_id[i].board; i++)
212 if (board_id[i].board == sub_id)
213 return (&board_id[i]);
219 ida_pci_probe(device_t dev)
221 struct ida_board *board = ida_pci_match(dev);
224 device_set_desc(dev, board->desc);
231 ida_pci_attach(device_t dev)
233 struct ida_board *board = ida_pci_match(dev);
234 u_int32_t id = pci_get_devid(dev);
235 struct ida_softc *ida;
239 command = pci_read_config(dev, PCIR_COMMAND, 1);
242 * it appears that this board only does MEMIO access.
244 if ((command & PCIM_CMD_MEMEN) == 0) {
245 device_printf(dev, "Only memory mapped I/O is supported\n");
249 ida = (struct ida_softc *)device_get_softc(dev);
251 ida->cmd = *board->accessor;
252 ida->flags = board->flags;
254 ida->regs_res_type = SYS_RES_MEMORY;
255 ida->regs_res_id = IDA_PCI_MEMADDR;
256 if (id == IDA_DEVICEID_DEC_SMART)
257 ida->regs_res_id = PCIR_MAPS;
259 ida->regs = bus_alloc_resource(dev, ida->regs_res_type,
260 &ida->regs_res_id, 0, ~0, 1, RF_ACTIVE);
261 if (ida->regs == NULL) {
262 device_printf(dev, "can't allocate memory resources\n");
266 error = bus_dma_tag_create(/*parent*/NULL, /*alignment*/1,
267 /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
268 /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL,
269 /*maxsize*/MAXBSIZE, /*nsegments*/IDA_NSEG,
270 /*maxsegsize*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/BUS_DMA_ALLOCNOW,
273 device_printf(dev, "can't allocate DMA tag\n");
279 ida->irq_res_type = SYS_RES_IRQ;
280 ida->irq = bus_alloc_resource(dev, ida->irq_res_type, &rid,
281 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
282 if (ida->irq == NULL) {
286 error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO,
287 ida_intr, ida, &ida->ih);
289 device_printf(dev, "can't setup interrupt\n");
294 error = ida_init(ida);
300 ida->flags |= IDA_ATTACHED;
305 DRIVER_MODULE(ida, pci, ida_pci_driver, ida_devclass, 0, 0);