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_ch_detach(device_t dev);
58 static int ata_jmicron_ch_suspend(device_t dev);
59 static int ata_jmicron_ch_resume(device_t dev);
60 static void ata_jmicron_reset(device_t dev);
61 static void ata_jmicron_setmode(device_t dev, int mode);
64 * JMicron chipset support functions
67 ata_jmicron_probe(device_t dev)
69 struct ata_pci_controller *ctlr = device_get_softc(dev);
70 struct ata_chip_id *idx;
71 static struct ata_chip_id ids[] =
72 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" },
73 { ATA_JMB361, 0, 1, 1, ATA_SA300, "JMB361" },
74 { ATA_JMB363, 0, 2, 1, ATA_SA300, "JMB363" },
75 { ATA_JMB365, 0, 1, 2, ATA_SA300, "JMB365" },
76 { ATA_JMB366, 0, 2, 2, ATA_SA300, "JMB366" },
77 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" },
81 if (pci_get_vendor(dev) != ATA_JMICRON_ID)
84 if (!(idx = ata_match_chip(dev, ids)))
87 if ((pci_read_config(dev, 0xdf, 1) & 0x40) &&
88 (pci_get_function(dev) == (pci_read_config(dev, 0x40, 1) & 0x02 >> 1)))
89 sprintf(buffer, "JMicron %s %s controller",
90 idx->text, ata_mode2str(ATA_UDMA6));
92 sprintf(buffer, "JMicron %s %s controller",
93 idx->text, ata_mode2str(idx->max_dma));
94 device_set_desc_copy(dev, buffer);
96 ctlr->chipinit = ata_jmicron_chipinit;
97 return (BUS_PROBE_DEFAULT);
101 ata_jmicron_chipinit(device_t dev)
103 struct ata_pci_controller *ctlr = device_get_softc(dev);
106 if (ata_setup_interrupt(dev, ata_generic_intr))
109 /* do we have multiple PCI functions ? */
110 if (pci_read_config(dev, 0xdf, 1) & 0x40) {
111 /* are we on the AHCI part ? */
112 if (ata_ahci_chipinit(dev) != ENXIO)
115 /* otherwise we are on the PATA part */
116 ctlr->ch_attach = ata_pci_ch_attach;
117 ctlr->ch_detach = ata_pci_ch_detach;
118 ctlr->reset = ata_generic_reset;
119 ctlr->setmode = ata_jmicron_setmode;
120 ctlr->channels = ctlr->chip->cfg2;
123 /* set controller configuration to a combined setup we support */
124 pci_write_config(dev, 0x40, 0x80c0a131, 4);
125 pci_write_config(dev, 0x80, 0x01200000, 4);
127 if (ctlr->chip->cfg1 && (error = ata_ahci_chipinit(dev)))
130 ctlr->ch_attach = ata_jmicron_ch_attach;
131 ctlr->ch_detach = ata_jmicron_ch_detach;
132 ctlr->ch_suspend = ata_jmicron_ch_suspend;
133 ctlr->ch_resume = ata_jmicron_ch_resume;
134 ctlr->reset = ata_jmicron_reset;
135 ctlr->setmode = ata_jmicron_setmode;
137 /* set the number of HW channels */
138 ctlr->channels = ctlr->chip->cfg1 + ctlr->chip->cfg2;
139 ctlr->ichannels |= ((0xffffffffU >> (32 - ctlr->chip->cfg2))
140 << ctlr->chip->cfg1);
146 ata_jmicron_ch_attach(device_t dev)
148 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
149 struct ata_channel *ch = device_get_softc(dev);
152 if (ch->unit >= ctlr->chip->cfg1) {
153 ch->unit -= ctlr->chip->cfg1;
154 error = ata_pci_ch_attach(dev);
155 ch->unit += ctlr->chip->cfg1;
158 error = ata_ahci_ch_attach(dev);
163 ata_jmicron_ch_detach(device_t dev)
165 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
166 struct ata_channel *ch = device_get_softc(dev);
169 if (ch->unit >= ctlr->chip->cfg1) {
170 ch->unit -= ctlr->chip->cfg1;
171 error = ata_pci_ch_detach(dev);
172 ch->unit += ctlr->chip->cfg1;
175 error = ata_ahci_ch_detach(dev);
181 ata_jmicron_ch_suspend(device_t dev)
183 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
184 struct ata_channel *ch = device_get_softc(dev);
187 if (ch->unit < ctlr->chip->cfg1)
188 error = ata_ahci_ch_suspend(dev);
193 ata_jmicron_ch_resume(device_t dev)
195 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
196 struct ata_channel *ch = device_get_softc(dev);
199 if (ch->unit < ctlr->chip->cfg1)
200 error = ata_ahci_ch_resume(dev);
205 ata_jmicron_reset(device_t dev)
207 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
208 struct ata_channel *ch = device_get_softc(dev);
210 if (ch->unit >= ctlr->chip->cfg1)
211 ata_generic_reset(dev);
217 ata_jmicron_setmode(device_t dev, int mode)
219 struct ata_pci_controller *ctlr = device_get_softc(GRANDPARENT(dev));
220 struct ata_channel *ch = device_get_softc(device_get_parent(dev));
222 if (pci_read_config(dev, 0xdf, 1) & 0x40 || ch->unit >= ctlr->chip->cfg1) {
223 struct ata_device *atadev = device_get_softc(dev);
225 /* check for 80pin cable present */
226 if (pci_read_config(dev, 0x40, 1) & 0x08)
227 mode = ata_limit_mode(dev, mode, ATA_UDMA2);
229 mode = ata_limit_mode(dev, mode, ATA_UDMA6);
231 if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode))
235 ata_sata_setmode(dev, mode);
238 ATA_DECLARE_DRIVER(ata_jmicron);
239 MODULE_DEPEND(ata_jmicron, ata_ahci, 1, 1, 1);