1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <sys/module.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/ata.h>
34 #include <sys/bus.h>
35 #include <sys/endian.h>
36 #include <sys/malloc.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39 #include <sys/sema.h>
40 #include <sys/taskqueue.h>
41 #include <vm/uma.h>
42 #include <machine/stdarg.h>
43 #include <machine/resource.h>
44 #include <machine/bus.h>
45 #include <sys/rman.h>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48 #include <dev/ata/ata-all.h>
49 #include <dev/ata/ata-pci.h>
50 #include <ata_if.h>
51
52 /* local prototypes */
53 static int ata_netcell_chipinit(device_t dev);
54 static int ata_netcell_ch_attach(device_t dev);
55 static int ata_netcell_setmode(device_t dev, int target, int mode);
56
57 /*
58 * NetCell chipset support functions
59 */
60 static int
ata_netcell_probe(device_t dev)61 ata_netcell_probe(device_t dev)
62 {
63 struct ata_pci_controller *ctlr = device_get_softc(dev);
64
65 if (pci_get_devid(dev) == ATA_NETCELL_SR) {
66 device_set_desc(dev, "Netcell SyncRAID SR3000/5000 RAID Controller");
67 ctlr->chipinit = ata_netcell_chipinit;
68 return (BUS_PROBE_LOW_PRIORITY);
69 }
70 return ENXIO;
71 }
72
73 static int
ata_netcell_chipinit(device_t dev)74 ata_netcell_chipinit(device_t dev)
75 {
76 struct ata_pci_controller *ctlr = device_get_softc(dev);
77
78 if (ata_setup_interrupt(dev, ata_generic_intr))
79 return ENXIO;
80
81 ctlr->ch_attach = ata_netcell_ch_attach;
82 ctlr->setmode = ata_netcell_setmode;
83 return 0;
84 }
85
86 static int
ata_netcell_ch_attach(device_t dev)87 ata_netcell_ch_attach(device_t dev)
88 {
89 struct ata_channel *ch = device_get_softc(dev);
90
91 /* setup the usual register normal pci style */
92 if (ata_pci_ch_attach(dev))
93 return ENXIO;
94
95 /* the NetCell only supports 16 bit PIO transfers */
96 ch->flags |= ATA_USE_16BIT;
97 /* It is a hardware RAID without cable. */
98 ch->flags |= ATA_CHECKS_CABLE;
99 return 0;
100 }
101
102 static int
ata_netcell_setmode(device_t dev,int target,int mode)103 ata_netcell_setmode(device_t dev, int target, int mode)
104 {
105
106 return (min(mode, ATA_UDMA6));
107 }
108
109 ATA_DECLARE_DRIVER(ata_netcell);
110