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_jmicron_chipinit(device_t dev);
57 static int ata_jmicron_ch_attach(device_t dev);
58 static int ata_jmicron_setmode(device_t dev, int target, int mode);
61 * JMicron chipset support functions
64 ata_jmicron_probe(device_t dev)
66 struct ata_pci_controller *ctlr = device_get_softc(dev);
67 const struct ata_chip_id *idx;
68 static const struct ata_chip_id ids[] =
69 {{ ATA_JMB360, 0, 1, 0, ATA_SA300, "JMB360" },
70 { ATA_JMB361, 0, 1, 1, ATA_UDMA6, "JMB361" },
71 { ATA_JMB362, 0, 2, 0, ATA_SA300, "JMB362" },
72 { ATA_JMB363, 0, 2, 1, ATA_UDMA6, "JMB363" },
73 { ATA_JMB365, 0, 1, 2, ATA_UDMA6, "JMB365" },
74 { ATA_JMB366, 0, 2, 2, ATA_UDMA6, "JMB366" },
75 { ATA_JMB368, 0, 0, 1, ATA_UDMA6, "JMB368" },
76 { ATA_JMB368_2, 0, 0, 1, ATA_UDMA6, "JMB368" },
80 if (pci_get_vendor(dev) != ATA_JMICRON_ID)
83 if (!(idx = ata_match_chip(dev, ids)))
86 sprintf(buffer, "JMicron %s %s controller",
87 idx->text, ata_mode2str(idx->max_dma));
88 device_set_desc_copy(dev, buffer);
90 ctlr->chipinit = ata_jmicron_chipinit;
91 return (BUS_PROBE_LOW_PRIORITY);
95 ata_jmicron_chipinit(device_t dev)
97 struct ata_pci_controller *ctlr = device_get_softc(dev);
100 if (ata_setup_interrupt(dev, ata_generic_intr))
103 /* do we have multiple PCI functions ? */
104 if (pci_read_config(dev, 0xdf, 1) & 0x40) {
105 /* If this was not claimed by AHCI, then we are on the PATA part */
106 ctlr->ch_attach = ata_jmicron_ch_attach;
107 ctlr->ch_detach = ata_pci_ch_detach;
108 ctlr->reset = ata_generic_reset;
109 ctlr->setmode = ata_jmicron_setmode;
110 ctlr->channels = ctlr->chip->cfg2;
113 /* set controller configuration to a combined setup we support */
114 pci_write_config(dev, 0x40, 0x80c0a131, 4);
115 pci_write_config(dev, 0x80, 0x01200000, 4);
116 /* Create AHCI subdevice if AHCI part present. */
117 if (ctlr->chip->cfg1) {
118 child = device_add_child(dev, NULL, -1);
120 device_set_ivars(child, (void *)(intptr_t)-1);
121 bus_generic_attach(dev);
124 ctlr->ch_attach = ata_jmicron_ch_attach;
125 ctlr->ch_detach = ata_pci_ch_detach;
126 ctlr->reset = ata_generic_reset;
127 ctlr->setmode = ata_jmicron_setmode;
128 ctlr->channels = ctlr->chip->cfg2;
134 ata_jmicron_ch_attach(device_t dev)
136 struct ata_channel *ch = device_get_softc(dev);
139 error = ata_pci_ch_attach(dev);
140 ch->flags |= ATA_CHECKS_CABLE;
145 ata_jmicron_setmode(device_t dev, int target, int mode)
147 device_t parent = device_get_parent(dev);
148 struct ata_pci_controller *ctlr = device_get_softc(parent);
150 mode = min(mode, ctlr->chip->max_dma);
151 /* check for 80pin cable present */
152 if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
153 pci_read_config(parent, 0x40, 1) & 0x08) {
154 ata_print_cable(dev, "controller");
157 /* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */
161 ATA_DECLARE_DRIVER(ata_jmicron);