1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2002 Adaptec Inc.
5 * All rights reserved.
6 *
7 * Written by: David Jeffery
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD$");
33
34#include <dev/ips/ipsreg.h>
35#include <dev/ips/ips.h>
36
37#include <dev/pci/pcireg.h>
38#include <dev/pci/pcivar.h>
39
40static int ips_pci_free(ips_softc_t *sc);
41static void ips_intrhook(void *arg);
42
43static int ips_pci_probe(device_t dev)
44{
45
46        if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
47	    (pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID)) {
48		device_set_desc(dev, "IBM ServeRAID Adapter");
49                return (BUS_PROBE_DEFAULT);
50        } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID) &&
51	    (pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)) {
52		device_set_desc(dev, "IBM ServeRAID Adapter");
53		return (BUS_PROBE_DEFAULT);
54        } else if ((pci_get_vendor(dev) == IPS_VENDOR_ID_ADAPTEC) &&
55	    (pci_get_device(dev) == IPS_MARCO_DEVICE_ID)) {
56		device_set_desc(dev, "Adaptec ServeRAID Adapter");
57		return (BUS_PROBE_DEFAULT);
58	}
59        return(ENXIO);
60}
61
62static int ips_pci_attach(device_t dev)
63{
64        ips_softc_t *sc;
65
66        DEVICE_PRINTF(1, dev, "in attach.\n");
67        sc = (ips_softc_t *)device_get_softc(dev);
68        sc->dev = dev;
69	mtx_init(&sc->queue_mtx, "IPS bioqueue lock", NULL, MTX_DEF);
70	sema_init(&sc->cmd_sema, 0, "IPS Command Semaphore");
71	callout_init_mtx(&sc->timer, &sc->queue_mtx, 0);
72
73        if(pci_get_device(dev) == IPS_MORPHEUS_DEVICE_ID){
74		sc->ips_adapter_reinit = ips_morpheus_reinit;
75                sc->ips_adapter_intr = ips_morpheus_intr;
76		sc->ips_issue_cmd    = ips_issue_morpheus_cmd;
77		sc->ips_poll_cmd     = ips_morpheus_poll;
78        } else if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID){
79		sc->ips_adapter_reinit = ips_copperhead_reinit;
80                sc->ips_adapter_intr = ips_copperhead_intr;
81		sc->ips_issue_cmd    = ips_issue_copperhead_cmd;
82		sc->ips_poll_cmd     = ips_copperhead_poll;
83	} else if (pci_get_device(dev) == IPS_MARCO_DEVICE_ID){
84		sc->ips_adapter_reinit = ips_morpheus_reinit;
85		sc->ips_adapter_intr = ips_morpheus_intr;
86		sc->ips_issue_cmd = ips_issue_morpheus_cmd;
87		sc->ips_poll_cmd     = ips_morpheus_poll;
88	} else
89                goto error;
90        /* make sure busmastering is on */
91	pci_enable_busmaster(dev);
92        /* setting up io space */
93        sc->iores = NULL;
94	PRINTF(10, "trying MEMIO\n");
95	if(pci_get_device(dev) == IPS_COPPERHEAD_DEVICE_ID)
96		sc->rid = PCIR_BAR(1);
97	else
98		sc->rid = PCIR_BAR(0);
99	sc->iotype = SYS_RES_MEMORY;
100	sc->iores = bus_alloc_resource_any(dev, sc->iotype, &sc->rid,
101	    RF_ACTIVE);
102        if(!sc->iores){
103                PRINTF(10, "trying PORTIO\n");
104                sc->rid = PCIR_BAR(0);
105                sc->iotype = SYS_RES_IOPORT;
106                sc->iores = bus_alloc_resource_any(dev, sc->iotype,
107			&sc->rid, RF_ACTIVE);
108        }
109        if(sc->iores == NULL){
110                device_printf(dev, "resource allocation failed\n");
111                return (ENXIO);
112        }
113        /*allocate an interrupt. when does the irq become active? after leaving attach? */
114        sc->irqrid = 0;
115        if(!(sc->irqres = bus_alloc_resource_any(dev, SYS_RES_IRQ,
116		&sc->irqrid, RF_SHAREABLE | RF_ACTIVE))){
117                device_printf(dev, "irq allocation failed\n");
118                goto error;
119        }
120	if(bus_setup_intr(dev, sc->irqres, INTR_TYPE_BIO|INTR_MPSAFE, NULL,
121	    sc->ips_adapter_intr, sc, &sc->irqcookie)){
122                device_printf(dev, "irq setup failed\n");
123                goto error;
124        }
125	if (bus_dma_tag_create(	/* PCI parent */bus_get_dma_tag(dev),
126				/* alignemnt */	1,
127				/* boundary  */	0,
128				/* lowaddr   */	BUS_SPACE_MAXADDR_32BIT,
129				/* highaddr  */	BUS_SPACE_MAXADDR,
130				/* filter    */	NULL,
131				/* filterarg */	NULL,
132				/* maxsize   */	BUS_SPACE_MAXSIZE_32BIT,
133				/* numsegs   */	IPS_MAX_SG_ELEMENTS,
134				/* maxsegsize*/	BUS_SPACE_MAXSIZE_32BIT,
135				/* flags     */	0,
136				/* lockfunc  */ NULL,
137				/* lockarg   */ NULL,
138				&sc->adapter_dmatag) != 0) {
139                device_printf(dev, "can't alloc dma tag\n");
140                goto error;
141        }
142	sc->ips_ich.ich_func = ips_intrhook;
143	sc->ips_ich.ich_arg = sc;
144	bioq_init(&sc->queue);
145	if (config_intrhook_establish(&sc->ips_ich) != 0) {
146		printf("IPS can't establish configuration hook\n");
147		goto error;
148	}
149        return 0;
150error:
151	ips_pci_free(sc);
152        return (ENXIO);
153}
154
155static void
156ips_intrhook(void *arg)
157{
158	struct ips_softc *sc = (struct ips_softc *)arg;
159
160	config_intrhook_disestablish(&sc->ips_ich);
161	if (ips_adapter_init(sc))
162		ips_pci_free(sc);
163	else
164		sc->configured = 1;
165}
166
167static int ips_pci_free(ips_softc_t *sc)
168{
169	if(sc->adapter_dmatag)
170		bus_dma_tag_destroy(sc->adapter_dmatag);
171	if(sc->irqcookie)
172                bus_teardown_intr(sc->dev, sc->irqres, sc->irqcookie);
173        if(sc->irqres)
174               bus_release_resource(sc->dev, SYS_RES_IRQ, sc->irqrid, sc->irqres);
175        if(sc->iores)
176                bus_release_resource(sc->dev, sc->iotype, sc->rid, sc->iores);
177	sc->configured = 0;
178	mtx_destroy(&sc->queue_mtx);
179	sema_destroy(&sc->cmd_sema);
180	return 0;
181}
182
183static int ips_pci_detach(device_t dev)
184{
185        ips_softc_t *sc;
186        DEVICE_PRINTF(1, dev, "detaching ServeRaid\n");
187        sc = (ips_softc_t *) device_get_softc(dev);
188	if (sc->configured) {
189		sc->configured = 0;
190		ips_flush_cache(sc);
191		if(ips_adapter_free(sc))
192			return EBUSY;
193		ips_pci_free(sc);
194		bioq_flush(&sc->queue, NULL, ENXIO);
195	}
196	return 0;
197}
198
199static int ips_pci_shutdown(device_t dev)
200{
201	ips_softc_t *sc = (ips_softc_t *) device_get_softc(dev);
202	if (sc->configured) {
203		ips_flush_cache(sc);
204	}
205	return 0;
206}
207
208static device_method_t ips_driver_methods[] = {
209        DEVMETHOD(device_probe, ips_pci_probe),
210        DEVMETHOD(device_attach, ips_pci_attach),
211        DEVMETHOD(device_detach, ips_pci_detach),
212	DEVMETHOD(device_shutdown, ips_pci_shutdown),
213        {0,0}
214};
215
216static driver_t ips_pci_driver = {
217        "ips",
218        ips_driver_methods,
219        sizeof(ips_softc_t),
220};
221
222static devclass_t ips_devclass;
223DRIVER_MODULE(ips, pci, ips_pci_driver, ips_devclass, 0, 0);
224