Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/types.h> |
| 29 | #include <linux/module.h> |
| 30 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/pci.h> |
| 32 | #include <linux/ide.h> |
| 33 | #include <linux/init.h> |
| 34 | |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 35 | #define DRV_NAME "triflex" |
| 36 | |
Bartlomiej Zolnierkiewicz | 8776168 | 2010-01-19 01:45:29 -0800 | [diff] [blame] | 37 | static void triflex_set_mode(ide_hwif_t *hwif, ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | { |
Bartlomiej Zolnierkiewicz | 3650165 | 2008-02-01 23:09:31 +0100 | [diff] [blame] | 39 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | u32 triflex_timings = 0; |
Bartlomiej Zolnierkiewicz | 123995b | 2008-10-13 21:39:40 +0200 | [diff] [blame] | 41 | u16 timing = 0; |
| 42 | u8 channel_offset = hwif->channel ? 0x74 : 0x70, unit = drive->dn & 1; |
| 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | pci_read_config_dword(dev, channel_offset, &triflex_timings); |
Bartlomiej Zolnierkiewicz | 123995b | 2008-10-13 21:39:40 +0200 | [diff] [blame] | 45 | |
Bartlomiej Zolnierkiewicz | 8776168 | 2010-01-19 01:45:29 -0800 | [diff] [blame] | 46 | switch (drive->dma_mode) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | case XFER_MW_DMA_2: |
| 48 | timing = 0x0103; |
| 49 | break; |
| 50 | case XFER_MW_DMA_1: |
| 51 | timing = 0x0203; |
| 52 | break; |
| 53 | case XFER_MW_DMA_0: |
| 54 | timing = 0x0808; |
| 55 | break; |
| 56 | case XFER_SW_DMA_2: |
| 57 | case XFER_SW_DMA_1: |
| 58 | case XFER_SW_DMA_0: |
| 59 | timing = 0x0f0f; |
| 60 | break; |
| 61 | case XFER_PIO_4: |
| 62 | timing = 0x0202; |
| 63 | break; |
| 64 | case XFER_PIO_3: |
| 65 | timing = 0x0204; |
| 66 | break; |
| 67 | case XFER_PIO_2: |
| 68 | timing = 0x0404; |
| 69 | break; |
| 70 | case XFER_PIO_1: |
| 71 | timing = 0x0508; |
| 72 | break; |
| 73 | case XFER_PIO_0: |
| 74 | timing = 0x0808; |
| 75 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | triflex_timings &= ~(0xFFFF << (16 * unit)); |
| 79 | triflex_timings |= (timing << (16 * unit)); |
| 80 | |
| 81 | pci_write_config_dword(dev, channel_offset, triflex_timings); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | } |
| 83 | |
Bartlomiej Zolnierkiewicz | e085b3c | 2010-01-19 01:44:41 -0800 | [diff] [blame] | 84 | static void triflex_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | { |
Bartlomiej Zolnierkiewicz | 8776168 | 2010-01-19 01:45:29 -0800 | [diff] [blame] | 86 | drive->dma_mode = drive->pio_mode; |
| 87 | triflex_set_mode(hwif, drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | } |
| 89 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 90 | static 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 Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | |
Bartlomiej Zolnierkiewicz | 8562043 | 2007-10-20 00:32:34 +0200 | [diff] [blame] | 95 | static const struct ide_port_info triflex_device __devinitdata = { |
Bartlomiej Zolnierkiewicz | ced3ec8 | 2008-07-24 22:53:32 +0200 | [diff] [blame] | 96 | .name = DRV_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | .enablebits = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}}, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 98 | .port_ops = &triflex_port_ops, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 99 | .pio_mask = ATA_PIO4, |
Bartlomiej Zolnierkiewicz | 5f8b6c3 | 2007-10-19 00:30:07 +0200 | [diff] [blame] | 100 | .swdma_mask = ATA_SWDMA2, |
| 101 | .mwdma_mask = ATA_MWDMA2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | static int __devinit triflex_init_one(struct pci_dev *dev, |
| 105 | const struct pci_device_id *id) |
| 106 | { |
Bartlomiej Zolnierkiewicz | 6cdf6eb | 2008-07-24 22:53:14 +0200 | [diff] [blame] | 107 | return ide_pci_init_one(dev, &triflex_device, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | } |
| 109 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 110 | static const struct pci_device_id triflex_pci_tbl[] = { |
| 111 | { PCI_VDEVICE(COMPAQ, PCI_DEVICE_ID_COMPAQ_TRIFLEX_IDE), 0 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | { 0, }, |
| 113 | }; |
| 114 | MODULE_DEVICE_TABLE(pci, triflex_pci_tbl); |
| 115 | |
Bartlomiej Zolnierkiewicz | a9ab09e2 | 2008-10-13 21:39:41 +0200 | [diff] [blame] | 116 | static struct pci_driver triflex_pci_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | .name = "TRIFLEX_IDE", |
| 118 | .id_table = triflex_pci_tbl, |
| 119 | .probe = triflex_init_one, |
Bartlomiej Zolnierkiewicz | 29d72f2 | 2008-07-24 22:53:26 +0200 | [diff] [blame] | 120 | .remove = ide_pci_remove, |
Bartlomiej Zolnierkiewicz | feb22b7 | 2008-10-10 22:39:32 +0200 | [diff] [blame] | 121 | .suspend = ide_pci_suspend, |
| 122 | .resume = ide_pci_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | }; |
| 124 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 125 | static int __init triflex_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | { |
Bartlomiej Zolnierkiewicz | a9ab09e2 | 2008-10-13 21:39:41 +0200 | [diff] [blame] | 127 | return ide_pci_register_driver(&triflex_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | } |
| 129 | |
Bartlomiej Zolnierkiewicz | 29d72f2 | 2008-07-24 22:53:26 +0200 | [diff] [blame] | 130 | static void __exit triflex_ide_exit(void) |
| 131 | { |
Bartlomiej Zolnierkiewicz | a9ab09e2 | 2008-10-13 21:39:41 +0200 | [diff] [blame] | 132 | pci_unregister_driver(&triflex_pci_driver); |
Bartlomiej Zolnierkiewicz | 29d72f2 | 2008-07-24 22:53:26 +0200 | [diff] [blame] | 133 | } |
| 134 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | module_init(triflex_ide_init); |
Bartlomiej Zolnierkiewicz | 29d72f2 | 2008-07-24 22:53:26 +0200 | [diff] [blame] | 136 | module_exit(triflex_ide_exit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
| 138 | MODULE_AUTHOR("Torben Mathiasen"); |
| 139 | MODULE_DESCRIPTION("PCI driver module for Compaq Triflex IDE"); |
| 140 | MODULE_LICENSE("GPL"); |
| 141 | |
| 142 | |