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 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/module.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
37 #include <sys/endian.h>
38 #include <sys/malloc.h>
40 #include <sys/mutex.h>
42 #include <sys/taskqueue.h>
44 #include <machine/stdarg.h>
45 #include <machine/resource.h>
46 #include <machine/bus.h>
48 #include <dev/pci/pcivar.h>
49 #include <dev/pci/pcireg.h>
50 #include <dev/ata/ata-all.h>
51 #include <dev/ata/ata-pci.h>
54 /* local prototypes */
55 static int ata_jmicron_chipinit(device_t dev);
56 static int ata_jmicron_ch_attach(device_t dev);
57 static int ata_jmicron_setmode(device_t dev, int target, int mode);
60 * JMicron chipset support functions
63 ata_jmicron_probe(device_t dev)
65 struct ata_pci_controller *ctlr = device_get_softc(dev);
66 struct ata_chip_id *idx;
67 static struct ata_chip_id ids[] =
68 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" },
69 { ATA_JMB361, 0, 1, 1, ATA_UDMA6, "JMB361" },
70 { ATA_JMB363, 0, 2, 1, ATA_UDMA6, "JMB363" },
71 { ATA_JMB365, 0, 1, 2, ATA_UDMA6, "JMB365" },
72 { ATA_JMB366, 0, 2, 2, ATA_UDMA6, "JMB366" },
73 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" },
77 if (pci_get_vendor(dev) != ATA_JMICRON_ID)
80 if (!(idx = ata_match_chip(dev, ids)))
83 sprintf(buffer, "JMicron %s %s controller",
84 idx->text, ata_mode2str(idx->max_dma));
85 device_set_desc_copy(dev, buffer);
87 ctlr->chipinit = ata_jmicron_chipinit;
88 return (BUS_PROBE_DEFAULT);
92 ata_jmicron_chipinit(device_t dev)
94 struct ata_pci_controller *ctlr = device_get_softc(dev);
97 if (ata_setup_interrupt(dev, ata_generic_intr))
100 /* do we have multiple PCI functions ? */
101 if (pci_read_config(dev, 0xdf, 1) & 0x40) {
102 /* are we on the AHCI part ? */
103 if (ata_ahci_chipinit(dev) != ENXIO)
106 /* otherwise we are on the PATA part */
107 ctlr->ch_attach = ata_jmicron_ch_attach;
108 ctlr->ch_detach = ata_pci_ch_detach;
109 ctlr->reset = ata_generic_reset;
110 ctlr->setmode = ata_jmicron_setmode;
111 ctlr->channels = ctlr->chip->cfg2;
114 /* set controller configuration to a combined setup we support */
115 pci_write_config(dev, 0x40, 0x80c0a131, 4);
116 pci_write_config(dev, 0x80, 0x01200000, 4);
117 /* Create AHCI subdevice if AHCI part present. */
118 if (ctlr->chip->cfg1) {
119 child = device_add_child(dev, NULL, -1);
121 device_set_ivars(child, (void *)(intptr_t)-1);
122 bus_generic_attach(dev);
125 ctlr->ch_attach = ata_jmicron_ch_attach;
126 ctlr->ch_detach = ata_pci_ch_detach;
127 ctlr->reset = ata_generic_reset;
128 ctlr->setmode = ata_jmicron_setmode;
129 ctlr->channels = ctlr->chip->cfg2;
135 ata_jmicron_ch_attach(device_t dev)
137 struct ata_channel *ch = device_get_softc(dev);
140 error = ata_pci_ch_attach(dev);
141 ch->flags |= ATA_CHECKS_CABLE;
146 ata_jmicron_setmode(device_t dev, int target, int mode)
148 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
150 mode = min(mode, ctlr->chip->max_dma);
151 /* check for 80pin cable present */
152 if (mode > ATA_UDMA2 && pci_read_config(dev, 0x40, 1) & 0x08) {
153 ata_print_cable(dev, "controller");
156 /* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */
160 ATA_DECLARE_DRIVER(ata_jmicron);
161 MODULE_DEPEND(ata_jmicron, ata_ahci, 1, 1, 1);