2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/module.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
38 #include <sys/endian.h>
39 #include <sys/malloc.h>
41 #include <sys/mutex.h>
43 #include <sys/taskqueue.h>
45 #include <machine/stdarg.h>
46 #include <machine/resource.h>
47 #include <machine/bus.h>
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pcireg.h>
51 #include <dev/ata/ata-all.h>
52 #include <dev/ata/ata-pci.h>
55 /* local prototypes */
56 static int ata_cyrix_chipinit(device_t dev);
57 static int ata_cyrix_ch_attach(device_t dev);
58 static int ata_cyrix_setmode(device_t dev, int target, int mode);
61 * Cyrix chipset support functions
64 ata_cyrix_probe(device_t dev)
66 struct ata_pci_controller *ctlr = device_get_softc(dev);
68 if (pci_get_devid(dev) == ATA_CYRIX_5530) {
69 device_set_desc(dev, "Cyrix 5530 ATA33 controller");
70 ctlr->chipinit = ata_cyrix_chipinit;
71 return (BUS_PROBE_LOW_PRIORITY);
77 ata_cyrix_chipinit(device_t dev)
79 struct ata_pci_controller *ctlr = device_get_softc(dev);
81 if (ata_setup_interrupt(dev, ata_generic_intr))
83 ctlr->ch_attach = ata_cyrix_ch_attach;
84 ctlr->setmode = ata_cyrix_setmode;
89 ata_cyrix_ch_attach(device_t dev)
91 struct ata_channel *ch = device_get_softc(dev);
93 ch->dma.alignment = 16;
94 ch->dma.max_iosize = 64 * DEV_BSIZE;
95 return (ata_pci_ch_attach(dev));
99 ata_cyrix_setmode(device_t dev, int target, int mode)
101 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
102 struct ata_channel *ch = device_get_softc(dev);
103 int devno = (ch->unit << 1) + target;
105 static const uint32_t piotiming[] =
106 { 0x00009172, 0x00012171, 0x00020080, 0x00032010, 0x00040010 };
107 static const uint32_t dmatiming[] =
108 { 0x00077771, 0x00012121, 0x00002020 };
109 static const uint32_t udmatiming[] =
110 { 0x00921250, 0x00911140, 0x00911030 };
112 mode = min(mode, ATA_UDMA2);
113 /* dont try to set the mode if we dont have the resource */
115 if (mode >= ATA_UDMA0) {
116 /* Set UDMA timings, and PIO4. */
117 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res,
118 0x24 + (devno << 3), udmatiming[mode & ATA_MODE_MASK]);
120 } else if (mode >= ATA_WDMA0) {
121 /* Set WDMA timings, and respective PIO mode. */
122 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res,
123 0x24 + (devno << 3), dmatiming[mode & ATA_MODE_MASK]);
124 piomode = (mode == ATA_WDMA0) ? ATA_PIO0 :
125 (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4;
128 /* Set PIO mode calculated above. */
129 ATA_OUTL(ch->r_io[ATA_BMCMD_PORT].res,
130 0x20 + (devno << 3), piotiming[ata_mode2idx(piomode)]);
135 ATA_DECLARE_DRIVER(ata_cyrix);