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_allocate(device_t dev);
57 static void ata_jmicron_reset(device_t dev);
58 static void ata_jmicron_dmainit(device_t dev);
59 static void ata_jmicron_setmode(device_t dev, int mode);
63 * JMicron chipset support functions
66 ata_jmicron_probe(device_t dev)
68 struct ata_pci_controller *ctlr = device_get_softc(dev);
69 struct ata_chip_id *idx;
70 static struct ata_chip_id ids[] =
71 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" },
72 { ATA_JMB361, 0, 1, 1, ATA_SA300, "JMB361" },
73 { ATA_JMB363, 0, 2, 1, ATA_SA300, "JMB363" },
74 { ATA_JMB365, 0, 1, 2, ATA_SA300, "JMB365" },
75 { ATA_JMB366, 0, 2, 2, ATA_SA300, "JMB366" },
76 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" },
80 if (pci_get_vendor(dev) != ATA_JMICRON_ID)
83 if (!(idx = ata_match_chip(dev, ids)))
86 if ((pci_read_config(dev, 0xdf, 1) & 0x40) &&
87 (pci_get_function(dev) == (pci_read_config(dev, 0x40, 1) & 0x02 >> 1)))
88 sprintf(buffer, "JMicron %s %s controller",
89 idx->text, ata_mode2str(ATA_UDMA6));
91 sprintf(buffer, "JMicron %s %s controller",
92 idx->text, ata_mode2str(idx->max_dma));
93 device_set_desc_copy(dev, buffer);
95 ctlr->chipinit = ata_jmicron_chipinit;
100 ata_jmicron_chipinit(device_t dev)
102 struct ata_pci_controller *ctlr = device_get_softc(dev);
105 if (ata_setup_interrupt(dev, ata_generic_intr))
108 /* do we have multiple PCI functions ? */
109 if (pci_read_config(dev, 0xdf, 1) & 0x40) {
110 /* are we on the AHCI part ? */
111 if (ata_ahci_chipinit(dev) != ENXIO)
114 /* otherwise we are on the PATA part */
115 ctlr->allocate = ata_pci_allocate;
116 ctlr->reset = ata_generic_reset;
117 ctlr->dmainit = ata_pci_dmainit;
118 ctlr->setmode = ata_jmicron_setmode;
119 ctlr->channels = ctlr->chip->cfg2;
122 /* set controller configuration to a combined setup we support */
123 pci_write_config(dev, 0x40, 0x80c0a131, 4);
124 pci_write_config(dev, 0x80, 0x01200000, 4);
126 if (ctlr->chip->cfg1 && (error = ata_ahci_chipinit(dev)))
129 ctlr->allocate = ata_jmicron_allocate;
130 ctlr->reset = ata_jmicron_reset;
131 ctlr->dmainit = ata_jmicron_dmainit;
132 ctlr->setmode = ata_jmicron_setmode;
134 /* set the number of HW channels */
135 ctlr->channels = ctlr->chip->cfg1 + ctlr->chip->cfg2;
141 ata_jmicron_allocate(device_t dev)
143 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
144 struct ata_channel *ch = device_get_softc(dev);
147 if (ch->unit >= ctlr->chip->cfg1) {
148 ch->unit -= ctlr->chip->cfg1;
149 error = ata_pci_allocate(dev);
150 ch->unit += ctlr->chip->cfg1;
153 error = ata_ahci_allocate(dev);
158 ata_jmicron_reset(device_t dev)
160 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
161 struct ata_channel *ch = device_get_softc(dev);
163 if (ch->unit >= ctlr->chip->cfg1)
164 ata_generic_reset(dev);
170 ata_jmicron_dmainit(device_t dev)
172 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
173 struct ata_channel *ch = device_get_softc(dev);
175 if (ch->unit >= ctlr->chip->cfg1)
176 ata_pci_dmainit(dev);
178 ata_ahci_dmainit(dev);
182 ata_jmicron_setmode(device_t dev, int mode)
184 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev));
185 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
187 if (pci_read_config(dev, 0xdf, 1) & 0x40 || ch->unit >= ctlr->chip->cfg1) {
188 struct ata_device *atadev = device_get_softc(dev);
190 /* check for 80pin cable present */
191 if (pci_read_config(dev, 0x40, 1) & 0x08)
192 mode = ata_limit_mode(dev, mode, ATA_UDMA2);
194 mode = ata_limit_mode(dev, mode, ATA_UDMA6);
196 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode))
200 ata_sata_setmode(dev, mode);
203 ATA_DECLARE_DRIVER(ata_jmicron);
204 MODULE_DEPEND(ata_jmicron, ata_ahci, 1, 1, 1);