xref: /freebsd/sys/dev/aac/aac_pci.c (revision 4b00f859d0ff4542cdd690a3d2b2ee73ed79b9c0)
135863739SMike Smith /*-
235863739SMike Smith  * Copyright (c) 2000 Michael Smith
3c6eafcf2SScott Long  * Copyright (c) 2001 Scott Long
435863739SMike Smith  * Copyright (c) 2000 BSDi
5fadfef89SScott Long  * Copyright (c) 2001 Adaptec, Inc.
635863739SMike Smith  * All rights reserved.
735863739SMike Smith  *
835863739SMike Smith  * Redistribution and use in source and binary forms, with or without
935863739SMike Smith  * modification, are permitted provided that the following conditions
1035863739SMike Smith  * are met:
1135863739SMike Smith  * 1. Redistributions of source code must retain the above copyright
1235863739SMike Smith  *    notice, this list of conditions and the following disclaimer.
1335863739SMike Smith  * 2. Redistributions in binary form must reproduce the above copyright
1435863739SMike Smith  *    notice, this list of conditions and the following disclaimer in the
1535863739SMike Smith  *    documentation and/or other materials provided with the distribution.
1635863739SMike Smith  *
1735863739SMike Smith  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1835863739SMike Smith  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1935863739SMike Smith  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2035863739SMike Smith  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2135863739SMike Smith  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2235863739SMike Smith  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2335863739SMike Smith  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2435863739SMike Smith  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2535863739SMike Smith  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2635863739SMike Smith  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2735863739SMike Smith  * SUCH DAMAGE.
2835863739SMike Smith  *
2935863739SMike Smith  *	$FreeBSD$
3035863739SMike Smith  */
3135863739SMike Smith 
3235863739SMike Smith /*
3335863739SMike Smith  * PCI bus interface and resource allocation.
3435863739SMike Smith  */
3535863739SMike Smith 
36f6c4dd3fSScott Long #include "opt_aac.h"
37f6c4dd3fSScott Long 
3835863739SMike Smith #include <sys/param.h>
3935863739SMike Smith #include <sys/systm.h>
4035863739SMike Smith #include <sys/kernel.h>
4135863739SMike Smith 
429e2e96d8SScott Long #include <sys/bio.h>
4335863739SMike Smith #include <sys/bus.h>
4435863739SMike Smith #include <sys/conf.h>
4535863739SMike Smith #include <sys/disk.h>
4635863739SMike Smith 
4735863739SMike Smith #include <machine/bus_memio.h>
4835863739SMike Smith #include <machine/bus.h>
4935863739SMike Smith #include <machine/resource.h>
5035863739SMike Smith #include <sys/rman.h>
5135863739SMike Smith 
5235863739SMike Smith #include <pci/pcireg.h>
5335863739SMike Smith #include <pci/pcivar.h>
5435863739SMike Smith 
5535863739SMike Smith #include <dev/aac/aacreg.h>
560b94a66eSMike Smith #include <dev/aac/aac_ioctl.h>
5735863739SMike Smith #include <dev/aac/aacvar.h>
5835863739SMike Smith 
5935863739SMike Smith static int	aac_pci_probe(device_t dev);
6035863739SMike Smith static int	aac_pci_attach(device_t dev);
6135863739SMike Smith 
6235863739SMike Smith static device_method_t aac_methods[] = {
6335863739SMike Smith 	/* Device interface */
6435863739SMike Smith 	DEVMETHOD(device_probe,		aac_pci_probe),
6535863739SMike Smith 	DEVMETHOD(device_attach,	aac_pci_attach),
6635863739SMike Smith 	DEVMETHOD(device_detach,	aac_detach),
6735863739SMike Smith 	DEVMETHOD(device_suspend,	aac_suspend),
6835863739SMike Smith 	DEVMETHOD(device_resume,	aac_resume),
6935863739SMike Smith 
7035863739SMike Smith 	DEVMETHOD(bus_print_child,	bus_generic_print_child),
7135863739SMike Smith 	DEVMETHOD(bus_driver_added,	bus_generic_driver_added),
7235863739SMike Smith 	{ 0, 0 }
7335863739SMike Smith };
7435863739SMike Smith 
7535863739SMike Smith static driver_t aac_pci_driver = {
7635863739SMike Smith 	"aac",
7735863739SMike Smith 	aac_methods,
7835863739SMike Smith 	sizeof(struct aac_softc)
7935863739SMike Smith };
8035863739SMike Smith 
81e45bef2aSMike Smith static devclass_t	aac_devclass;
82e45bef2aSMike Smith 
8335863739SMike Smith DRIVER_MODULE(aac, pci, aac_pci_driver, aac_devclass, 0, 0);
8435863739SMike Smith 
8535863739SMike Smith struct aac_ident
8635863739SMike Smith {
8735863739SMike Smith 	u_int16_t		vendor;
8835863739SMike Smith 	u_int16_t		device;
8935863739SMike Smith 	u_int16_t		subvendor;
9035863739SMike Smith 	u_int16_t		subdevice;
9135863739SMike Smith 	int			hwif;
92fe3cb0e1SScott Long 	int			quirks;
9335863739SMike Smith 	char			*desc;
9435863739SMike Smith } aac_identifiers[] = {
95a6d35632SScott Long 	{0x1028, 0x0001, 0x1028, 0x0001, AAC_HWIF_I960RX, 0,
96fe3cb0e1SScott Long 	"Dell PERC 2/Si"},
97a6d35632SScott Long 	{0x1028, 0x0002, 0x1028, 0x0002, AAC_HWIF_I960RX, 0,
98fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
99a6d35632SScott Long 	{0x1028, 0x0003, 0x1028, 0x0003, AAC_HWIF_I960RX, 0,
100fe3cb0e1SScott Long 	"Dell PERC 3/Si"},
101a6d35632SScott Long 	{0x1028, 0x0004, 0x1028, 0x00d0, AAC_HWIF_I960RX, 0,
102fe3cb0e1SScott Long 	"Dell PERC 3/Si"},
103a6d35632SScott Long 	{0x1028, 0x0002, 0x1028, 0x00d1, AAC_HWIF_I960RX, 0,
104fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
105a6d35632SScott Long 	{0x1028, 0x0002, 0x1028, 0x00d9, AAC_HWIF_I960RX, 0,
106fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
107a6d35632SScott Long 	{0x1028, 0x0008, 0x1028, 0x00cf, AAC_HWIF_I960RX, 0,
108fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
109a6d35632SScott Long 	{0x1028, 0x000a, 0x1028, 0x0106, AAC_HWIF_I960RX, 0,
110fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
111a6d35632SScott Long 	{0x1028, 0x000a, 0x1028, 0x011b, AAC_HWIF_I960RX, 0,
112fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
113a6d35632SScott Long 	{0x1028, 0x000a, 0x1028, 0x0121, AAC_HWIF_I960RX, 0,
114fe3cb0e1SScott Long 	"Dell PERC 3/Di"},
115a6d35632SScott Long 	{0x1011, 0x0046, 0x9005, 0x0364, AAC_HWIF_STRONGARM, 0,
116fe3cb0e1SScott Long 	"Adaptec AAC-364"},
1174b00f859SScott Long 	{0x1011, 0x0046, 0x9005, 0x0365, AAC_HWIF_STRONGARM,
1184b00f859SScott Long 	 AAC_FLAGS_BROKEN_MEMMAP, "Adaptec SCSI RAID 5400S"},
119a6d35632SScott Long 	{0x1011, 0x0046, 0x9005, 0x1364, AAC_HWIF_STRONGARM, AAC_FLAGS_PERC2QC,
120a6d35632SScott Long 	 "Dell PERC 2/QC"},
121a6d35632SScott Long 	{0x1011, 0x0046, 0x103c, 0x10c2, AAC_HWIF_STRONGARM, 0,
122a9f3d2c7SScott Long 	 "HP NetRaid-4M"},
123a6d35632SScott Long 	{0x9005, 0x0285, 0x9005, 0x0285, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
124a6d35632SScott Long 	 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2200S"},
125a6d35632SScott Long 	{0x9005, 0x0285, 0x1028, 0x0287, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
126a6d35632SScott Long 	 AAC_FLAGS_256FIBS, "Dell PERC 320/DC"},
127a6d35632SScott Long 	{0x9005, 0x0285, 0x9005, 0x0286, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB |
128a6d35632SScott Long 	 AAC_FLAGS_256FIBS, "Adaptec SCSI RAID 2120S"},
1299d5be300SScott Long 	{0x9005, 0x0285, 0x9005, 0x0290, AAC_HWIF_I960RX, AAC_FLAGS_NO4GB,
1309d5be300SScott Long 	 "Adaptec SCSI RAID 2410SA"},
131fe3cb0e1SScott Long 	{0, 0, 0, 0, 0, 0, 0}
13235863739SMike Smith };
13335863739SMike Smith 
134914da7d0SScott Long /*
13535863739SMike Smith  * Determine whether this is one of our supported adapters.
13635863739SMike Smith  */
13735863739SMike Smith static int
13835863739SMike Smith aac_pci_probe(device_t dev)
13935863739SMike Smith {
14035863739SMike Smith 	struct aac_ident *m;
14135863739SMike Smith 
14235863739SMike Smith 	debug_called(1);
14335863739SMike Smith 
14435863739SMike Smith 	for (m = aac_identifiers; m->vendor != 0; m++) {
14535863739SMike Smith 		if ((m->vendor == pci_get_vendor(dev)) &&
14635863739SMike Smith 		    (m->device == pci_get_device(dev)) &&
147914da7d0SScott Long 		    ((m->subvendor == 0) || (m->subvendor ==
148914da7d0SScott Long 					     pci_get_subvendor(dev))) &&
149914da7d0SScott Long 		    ((m->subdevice == 0) || ((m->subdevice ==
150914da7d0SScott Long 					      pci_get_subdevice(dev))))) {
15135863739SMike Smith 
15235863739SMike Smith 			device_set_desc(dev, m->desc);
153e10f2ee5SMike Smith 			return(-10);	/* allow room to be overridden */
15435863739SMike Smith 		}
15535863739SMike Smith 	}
15635863739SMike Smith 	return(ENXIO);
15735863739SMike Smith }
15835863739SMike Smith 
159914da7d0SScott Long /*
16035863739SMike Smith  * Allocate resources for our device, set up the bus interface.
16135863739SMike Smith  */
16235863739SMike Smith static int
16335863739SMike Smith aac_pci_attach(device_t dev)
16435863739SMike Smith {
16535863739SMike Smith 	struct aac_softc *sc;
16635863739SMike Smith 	int i, error;
16735863739SMike Smith 	u_int32_t command;
16835863739SMike Smith 
16935863739SMike Smith 	debug_called(1);
17035863739SMike Smith 
17135863739SMike Smith 	/*
17235863739SMike Smith 	 * Initialise softc.
17335863739SMike Smith 	 */
17435863739SMike Smith 	sc = device_get_softc(dev);
17535863739SMike Smith 	bzero(sc, sizeof(*sc));
17635863739SMike Smith 	sc->aac_dev = dev;
17735863739SMike Smith 
17835863739SMike Smith 	/* assume failure is 'not configured' */
17935863739SMike Smith 	error = ENXIO;
18035863739SMike Smith 
18135863739SMike Smith 	/*
18235863739SMike Smith 	 * Verify that the adapter is correctly set up in PCI space.
18335863739SMike Smith 	 */
18435863739SMike Smith 	command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
18535863739SMike Smith 	command |= PCIM_CMD_BUSMASTEREN;
18635863739SMike Smith 	pci_write_config(dev, PCIR_COMMAND, command, 2);
18735863739SMike Smith 	command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2);
18835863739SMike Smith 	if (!(command & PCIM_CMD_BUSMASTEREN)) {
18935863739SMike Smith 		device_printf(sc->aac_dev, "can't enable bus-master feature\n");
19035863739SMike Smith 		goto out;
19135863739SMike Smith 	}
19235863739SMike Smith 	if ((command & PCIM_CMD_MEMEN) == 0) {
19335863739SMike Smith 		device_printf(sc->aac_dev, "memory window not available\n");
19435863739SMike Smith 		goto out;
19535863739SMike Smith 	}
19635863739SMike Smith 
19735863739SMike Smith 	/*
19835863739SMike Smith 	 * Allocate the PCI register window.
19935863739SMike Smith 	 */
20035863739SMike Smith 	sc->aac_regs_rid = 0x10;	/* first base address register */
201914da7d0SScott Long 	if ((sc->aac_regs_resource = bus_alloc_resource(sc->aac_dev,
202914da7d0SScott Long 							SYS_RES_MEMORY,
203914da7d0SScott Long 							&sc->aac_regs_rid,
204914da7d0SScott Long 							0, ~0, 1,
205c6eafcf2SScott Long 							RF_ACTIVE)) == NULL) {
206914da7d0SScott Long 		device_printf(sc->aac_dev,
207914da7d0SScott Long 			      "couldn't allocate register window\n");
20835863739SMike Smith 		goto out;
20935863739SMike Smith 	}
21035863739SMike Smith 	sc->aac_btag = rman_get_bustag(sc->aac_regs_resource);
21135863739SMike Smith 	sc->aac_bhandle = rman_get_bushandle(sc->aac_regs_resource);
21235863739SMike Smith 
21335863739SMike Smith 	/*
21435863739SMike Smith 	 * Allocate and connect our interrupt.
21535863739SMike Smith 	 */
21635863739SMike Smith 	sc->aac_irq_rid = 0;
217c6eafcf2SScott Long 	if ((sc->aac_irq = bus_alloc_resource(sc->aac_dev, SYS_RES_IRQ,
218c6eafcf2SScott Long 			   		      &sc->aac_irq_rid, 0, ~0, 1,
219914da7d0SScott Long 			   		      RF_SHAREABLE |
220914da7d0SScott Long 					      RF_ACTIVE)) == NULL) {
22135863739SMike Smith 		device_printf(sc->aac_dev, "can't allocate interrupt\n");
22235863739SMike Smith 		goto out;
22335863739SMike Smith 	}
2245e7e7ec9SScott Long #ifndef INTR_ENTROPY
22536e0bf6eSScott Long #define INTR_ENTROPY 0
22636e0bf6eSScott Long #endif
2279c3a7fceSScott Long 	if (bus_setup_intr(sc->aac_dev, sc->aac_irq,
2289c3a7fceSScott Long 			   INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY, aac_intr,
2299c3a7fceSScott Long 			   sc, &sc->aac_intr)) {
23035863739SMike Smith 		device_printf(sc->aac_dev, "can't set up interrupt\n");
23135863739SMike Smith 		goto out;
23235863739SMike Smith 	}
23335863739SMike Smith 
23435863739SMike Smith 	/* assume failure is 'out of memory' */
23535863739SMike Smith 	error = ENOMEM;
23635863739SMike Smith 
23735863739SMike Smith 	/*
23835863739SMike Smith 	 * Allocate the parent bus DMA tag appropriate for our PCI interface.
23935863739SMike Smith 	 *
24035863739SMike Smith 	 * Note that some of these controllers are 64-bit capable.
24135863739SMike Smith 	 */
24235863739SMike Smith 	if (bus_dma_tag_create(NULL, 			/* parent */
243cbfd045bSScott Long 			       PAGE_SIZE, 0,		/* algnmnt, boundary */
244a6d35632SScott Long 			       BUS_SPACE_MAXADDR,	/* lowaddr */
24535863739SMike Smith 			       BUS_SPACE_MAXADDR, 	/* highaddr */
24635863739SMike Smith 			       NULL, NULL, 		/* filter, filterarg */
247a6d35632SScott Long 			       BUS_SPACE_MAXSIZE_32BIT,	/* maxsize */
248914da7d0SScott Long 			       AAC_MAXSGENTRIES,	/* nsegments */
24935863739SMike Smith 			       BUS_SPACE_MAXSIZE_32BIT,	/* maxsegsize */
250a6d35632SScott Long 			       0,			/* flags */
251f6b1c44dSScott Long 			       NULL, NULL,		/* No locking needed */
25235863739SMike Smith 			       &sc->aac_parent_dmat)) {
25335863739SMike Smith 		device_printf(sc->aac_dev, "can't allocate parent DMA tag\n");
25435863739SMike Smith 		goto out;
25535863739SMike Smith 	}
25635863739SMike Smith 
25735863739SMike Smith 	/*
258c6eafcf2SScott Long 	 * Detect the hardware interface version, set up the bus interface
259c6eafcf2SScott Long 	 * indirection.
26035863739SMike Smith 	 */
2610b94a66eSMike Smith 	sc->aac_hwif = AAC_HWIF_UNKNOWN;
26235863739SMike Smith 	for (i = 0; aac_identifiers[i].vendor != 0; i++) {
26335863739SMike Smith 		if ((aac_identifiers[i].vendor == pci_get_vendor(dev)) &&
264fe3cb0e1SScott Long 		    (aac_identifiers[i].device == pci_get_device(dev)) &&
265fe3cb0e1SScott Long 		    (aac_identifiers[i].subvendor == pci_get_subvendor(dev)) &&
266fe3cb0e1SScott Long 		    (aac_identifiers[i].subdevice == pci_get_subdevice(dev))) {
26735863739SMike Smith 			sc->aac_hwif = aac_identifiers[i].hwif;
26835863739SMike Smith 			switch(sc->aac_hwif) {
26935863739SMike Smith 			case AAC_HWIF_I960RX:
27035863739SMike Smith 				debug(2, "set hardware up for i960Rx");
27135863739SMike Smith 				sc->aac_if = aac_rx_interface;
27235863739SMike Smith 				break;
27335863739SMike Smith 
27435863739SMike Smith 			case AAC_HWIF_STRONGARM:
27535863739SMike Smith 				debug(2, "set hardware up for StrongARM");
27635863739SMike Smith 				sc->aac_if = aac_sa_interface;
27735863739SMike Smith 				break;
278b3457b51SScott Long 			case AAC_HWIF_FALCON:
279b3457b51SScott Long 				debug(2, "set hardware up for Falcon/PPC");
280b3457b51SScott Long 				sc->aac_if = aac_fa_interface;
281b3457b51SScott Long 				break;
28235863739SMike Smith 			}
283fe3cb0e1SScott Long 
284fe3cb0e1SScott Long 			/* Set up quirks */
285a6d35632SScott Long 			sc->flags = aac_identifiers[i].quirks;
286fe3cb0e1SScott Long 
28735863739SMike Smith 			break;
28835863739SMike Smith 		}
28935863739SMike Smith 	}
2900b94a66eSMike Smith 	if (sc->aac_hwif == AAC_HWIF_UNKNOWN) {
2910b94a66eSMike Smith 		device_printf(sc->aac_dev, "unknown hardware type\n");
2920b94a66eSMike Smith 		error = ENXIO;
2930b94a66eSMike Smith 		goto out;
2940b94a66eSMike Smith 	}
29535863739SMike Smith 
296fe94b852SScott Long 
297fe94b852SScott Long 	/*
29835863739SMike Smith 	 * Do bus-independent initialisation.
29935863739SMike Smith 	 */
30035863739SMike Smith 	error = aac_attach(sc);
30135863739SMike Smith 
30235863739SMike Smith out:
30335863739SMike Smith 	if (error)
30435863739SMike Smith 		aac_free(sc);
30535863739SMike Smith 	return(error);
30635863739SMike Smith }
307