blob: b6ff40336aa993c5960bc4754cb0dec40793ee32 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * IDE Chipset driver for the Compaq TriFlex IDE controller.
3 *
4 * Known to work with the Compaq Workstation 5x00 series.
5 *
6 * Copyright (C) 2002 Hewlett-Packard Development Group, L.P.
7 * Author: Torben Mathiasen <torben.mathiasen@hp.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Loosely based on the piix & svwks drivers.
23 *
24 * Documentation:
25 * Not publically available.
26 */
27
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include <linux/types.h>
29#include <linux/module.h>
30#include <linux/kernel.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031#include <linux/pci.h>
32#include <linux/ide.h>
33#include <linux/init.h>
34
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020035#define DRV_NAME "triflex"
36
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020037static void triflex_set_mode(ide_drive_t *drive, const u8 speed)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038{
39 ide_hwif_t *hwif = HWIF(drive);
Bartlomiej Zolnierkiewicz36501652008-02-01 23:09:31 +010040 struct pci_dev *dev = to_pci_dev(hwif->dev);
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 u32 triflex_timings = 0;
Bartlomiej Zolnierkiewicz123995b2008-10-13 21:39:40 +020042 u16 timing = 0;
43 u8 channel_offset = hwif->channel ? 0x74 : 0x70, unit = drive->dn & 1;
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 pci_read_config_dword(dev, channel_offset, &triflex_timings);
Bartlomiej Zolnierkiewicz123995b2008-10-13 21:39:40 +020046
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 switch(speed) {
48 case XFER_MW_DMA_2:
49 timing = 0x0103;
50 break;
51 case XFER_MW_DMA_1:
52 timing = 0x0203;
53 break;
54 case XFER_MW_DMA_0:
55 timing = 0x0808;
56 break;
57 case XFER_SW_DMA_2:
58 case XFER_SW_DMA_1:
59 case XFER_SW_DMA_0:
60 timing = 0x0f0f;
61 break;
62 case XFER_PIO_4:
63 timing = 0x0202;
64 break;
65 case XFER_PIO_3:
66 timing = 0x0204;
67 break;
68 case XFER_PIO_2:
69 timing = 0x0404;
70 break;
71 case XFER_PIO_1:
72 timing = 0x0508;
73 break;
74 case XFER_PIO_0:
75 timing = 0x0808;
76 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -070077 }
78
79 triflex_timings &= ~(0xFFFF << (16 * unit));
80 triflex_timings |= (timing << (16 * unit));
81
82 pci_write_config_dword(dev, channel_offset, triflex_timings);
Linus Torvalds1da177e2005-04-16 15:20:36 -070083}
84
Bartlomiej Zolnierkiewicz26bcb872007-10-11 23:54:00 +020085static void triflex_set_pio_mode(ide_drive_t *drive, const u8 pio)
Linus Torvalds1da177e2005-04-16 15:20:36 -070086{
Bartlomiej Zolnierkiewicz88b2b322007-10-13 17:47:51 +020087 triflex_set_mode(drive, XFER_PIO_0 + pio);
Linus Torvalds1da177e2005-04-16 15:20:36 -070088}
89
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +020090static const struct ide_port_ops triflex_port_ops = {
91 .set_pio_mode = triflex_set_pio_mode,
92 .set_dma_mode = triflex_set_mode,
93};
Linus Torvalds1da177e2005-04-16 15:20:36 -070094
Bartlomiej Zolnierkiewicz85620432007-10-20 00:32:34 +020095static const struct ide_port_info triflex_device __devinitdata = {
Bartlomiej Zolnierkiewiczced3ec82008-07-24 22:53:32 +020096 .name = DRV_NAME,
Linus Torvalds1da177e2005-04-16 15:20:36 -070097 .enablebits = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}},
Bartlomiej Zolnierkiewiczac95bee2008-04-26 22:25:14 +020098 .port_ops = &triflex_port_ops,
Bartlomiej Zolnierkiewicz4099d142007-07-20 01:11:59 +020099 .pio_mask = ATA_PIO4,
Bartlomiej Zolnierkiewicz5f8b6c32007-10-19 00:30:07 +0200100 .swdma_mask = ATA_SWDMA2,
101 .mwdma_mask = ATA_MWDMA2,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102};
103
104static int __devinit triflex_init_one(struct pci_dev *dev,
105 const struct pci_device_id *id)
106{
Bartlomiej Zolnierkiewicz6cdf6eb2008-07-24 22:53:14 +0200107 return ide_pci_init_one(dev, &triflex_device, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108}
109
Bartlomiej Zolnierkiewicz9cbcc5e2007-10-16 22:29:56 +0200110static const struct pci_device_id triflex_pci_tbl[] = {
111 { PCI_VDEVICE(COMPAQ, PCI_DEVICE_ID_COMPAQ_TRIFLEX_IDE), 0 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112 { 0, },
113};
114MODULE_DEVICE_TABLE(pci, triflex_pci_tbl);
115
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200116static struct pci_driver triflex_pci_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117 .name = "TRIFLEX_IDE",
118 .id_table = triflex_pci_tbl,
119 .probe = triflex_init_one,
Bartlomiej Zolnierkiewicz29d72f22008-07-24 22:53:26 +0200120 .remove = ide_pci_remove,
Bartlomiej Zolnierkiewiczfeb22b72008-10-10 22:39:32 +0200121 .suspend = ide_pci_suspend,
122 .resume = ide_pci_resume,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123};
124
Bartlomiej Zolnierkiewicz82ab1ee2007-01-27 13:46:56 +0100125static int __init triflex_ide_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126{
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200127 return ide_pci_register_driver(&triflex_pci_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128}
129
Bartlomiej Zolnierkiewicz29d72f22008-07-24 22:53:26 +0200130static void __exit triflex_ide_exit(void)
131{
Bartlomiej Zolnierkiewicza9ab09e2008-10-13 21:39:41 +0200132 pci_unregister_driver(&triflex_pci_driver);
Bartlomiej Zolnierkiewicz29d72f22008-07-24 22:53:26 +0200133}
134
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135module_init(triflex_ide_init);
Bartlomiej Zolnierkiewicz29d72f22008-07-24 22:53:26 +0200136module_exit(triflex_ide_exit);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700137
138MODULE_AUTHOR("Torben Mathiasen");
139MODULE_DESCRIPTION("PCI driver module for Compaq Triflex IDE");
140MODULE_LICENSE("GPL");
141
142