2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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 * 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.
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.
27 /* local prototypes */
28 static int ata_ite_chipinit(device_t dev);
29 static void ata_ite_setmode(device_t dev, int mode);
32 * Integrated Technology Express Inc. (ITE) chipset support functions
35 ata_ite_ident(device_t dev)
37 struct ata_pci_controller *ctlr = device_get_softc(dev);
38 static const struct ata_chip_id ids[] =
39 {{ ATA_IT8212F, 0x00, 0x00, 0x00, ATA_UDMA6, "IT8212F" },
40 { ATA_IT8211F, 0x00, 0x00, 0x00, ATA_UDMA6, "IT8211F" },
43 if (pci_get_vendor(dev) != ATA_ITE_ID)
46 if (!(ctlr->chip = ata_match_chip(dev, ids)))
50 ctlr->chipinit = ata_ite_chipinit;
55 ata_ite_chipinit(device_t dev)
57 struct ata_pci_controller *ctlr = device_get_softc(dev);
59 if (ata_setup_interrupt(dev, ata_generic_intr))
62 ctlr->setmode = ata_ite_setmode;
64 /* set PCI mode and 66Mhz reference clock */
65 pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 1) & ~0x83, 1);
67 /* set default active & recover timings */
68 pci_write_config(dev, 0x54, 0x31, 1);
69 pci_write_config(dev, 0x56, 0x31, 1);
74 ata_ite_setmode(device_t dev, int mode)
76 device_t gparent = GRANDPARENT(dev);
77 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
78 struct ata_device *atadev = device_get_softc(dev);
79 int devno = (ch->unit << 1) + atadev->unit;
81 static const uint8_t udmatiming[] =
82 { 0x44, 0x42, 0x31, 0x21, 0x11, 0xa2, 0x91 };
83 static const uint8_t chtiming[] =
84 { 0xaa, 0xa3, 0xa1, 0x33, 0x31, 0x88, 0x32, 0x31 };
86 /* correct the mode for what the HW supports */
87 mode = ata_limit_mode(dev, mode, ATA_UDMA6);
89 /* check the CBLID bits for 80 conductor cable detection */
90 if (mode > ATA_UDMA2 && (pci_read_config(gparent, 0x40, 2) &
91 (ch->unit ? (1<<3) : (1<<2)))) {
92 ata_print_cable(dev, "controller");
96 /* set the wanted mode on the device */
97 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode);
100 device_printf(dev, "%s setting %s on ITE8212F chip\n",
101 (error) ? "failed" : "success", ata_mode2str(mode));
103 /* if the device accepted the mode change, setup the HW accordingly */
105 if (mode >= ATA_UDMA0) {
106 /* enable UDMA mode */
107 pci_write_config(gparent, 0x50,
108 pci_read_config(gparent, 0x50, 1) &
109 ~(1 << (devno + 3)), 1);
111 /* set UDMA timing */
112 pci_write_config(gparent,
113 0x56 + (ch->unit << 2) + atadev->unit,
114 udmatiming[mode & ATA_MODE_MASK], 1);
117 /* disable UDMA mode */
118 pci_write_config(gparent, 0x50,
119 pci_read_config(gparent, 0x50, 1) |
120 (1 << (devno + 3)), 1);
122 /* set active and recover timing (shared between master & slave) */
123 if (pci_read_config(gparent, 0x54 + (ch->unit << 2), 1) <
124 chtiming[ata_mode2idx(mode)])
125 pci_write_config(gparent, 0x54 + (ch->unit << 2),
126 chtiming[ata_mode2idx(mode)], 1);