1 /*-
2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 /* local prototypes */
28 static int ata_netcell_chipinit(device_t dev);
29 static int ata_netcell_allocate(device_t dev);
30 static void ata_netcell_setmode(device_t dev, int mode);
31
32 /*
33 * NetCell chipset support functions
34 */
35 int
ata_netcell_ident(device_t dev)36 ata_netcell_ident(device_t dev)
37 {
38 struct ata_pci_controller *ctlr = device_get_softc(dev);
39
40 if (pci_get_devid(dev) == ATA_NETCELL_SR) {
41 device_set_desc(dev, "Netcell SyncRAID SR3000/5000 RAID Controller");
42 ctlr->chipinit = ata_netcell_chipinit;
43 return 0;
44 }
45 return ENXIO;
46 }
47
48 static int
ata_netcell_chipinit(device_t dev)49 ata_netcell_chipinit(device_t dev)
50 {
51 struct ata_pci_controller *ctlr = device_get_softc(dev);
52
53 if (ata_setup_interrupt(dev, ata_generic_intr))
54 return ENXIO;
55
56 ctlr->allocate = ata_netcell_allocate;
57 ctlr->setmode = ata_netcell_setmode;
58 return 0;
59 }
60
61 static int
ata_netcell_allocate(device_t dev)62 ata_netcell_allocate(device_t dev)
63 {
64 struct ata_channel *ch = device_get_softc(dev);
65
66 /* setup the usual register normal pci style */
67 if (ata_pci_allocate(dev))
68 return ENXIO;
69
70 /* the NetCell only supports 16 bit PIO transfers */
71 ch->flags |= ATA_USE_16BIT;
72
73 return 0;
74 }
75
76 static void
ata_netcell_setmode(device_t dev,int mode)77 ata_netcell_setmode(device_t dev, int mode)
78 {
79 struct ata_device *atadev = device_get_softc(dev);
80
81 mode = ata_limit_mode(dev, mode, ATA_UDMA2);
82 mode = ata_check_80pin(dev, mode);
83 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode))
84 atadev->mode = mode;
85 }
86