Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * triflex.c |
| 3 | * |
| 4 | * IDE Chipset driver for the Compaq TriFlex IDE controller. |
| 5 | * |
| 6 | * Known to work with the Compaq Workstation 5x00 series. |
| 7 | * |
| 8 | * Copyright (C) 2002 Hewlett-Packard Development Group, L.P. |
| 9 | * Author: Torben Mathiasen <torben.mathiasen@hp.com> |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License version 2 as |
| 13 | * published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | * |
| 24 | * Loosely based on the piix & svwks drivers. |
| 25 | * |
| 26 | * Documentation: |
| 27 | * Not publically available. |
| 28 | */ |
| 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/types.h> |
| 31 | #include <linux/module.h> |
| 32 | #include <linux/kernel.h> |
| 33 | #include <linux/delay.h> |
| 34 | #include <linux/timer.h> |
| 35 | #include <linux/mm.h> |
| 36 | #include <linux/ioport.h> |
| 37 | #include <linux/blkdev.h> |
| 38 | #include <linux/hdreg.h> |
| 39 | #include <linux/pci.h> |
| 40 | #include <linux/ide.h> |
| 41 | #include <linux/init.h> |
| 42 | |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 43 | static void triflex_set_mode(ide_drive_t *drive, const u8 speed) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | { |
| 45 | ide_hwif_t *hwif = HWIF(drive); |
| 46 | struct pci_dev *dev = hwif->pci_dev; |
| 47 | u8 channel_offset = hwif->channel ? 0x74 : 0x70; |
| 48 | u16 timing = 0; |
| 49 | u32 triflex_timings = 0; |
| 50 | u8 unit = (drive->select.b.unit & 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
| 52 | pci_read_config_dword(dev, channel_offset, &triflex_timings); |
| 53 | |
| 54 | switch(speed) { |
| 55 | case XFER_MW_DMA_2: |
| 56 | timing = 0x0103; |
| 57 | break; |
| 58 | case XFER_MW_DMA_1: |
| 59 | timing = 0x0203; |
| 60 | break; |
| 61 | case XFER_MW_DMA_0: |
| 62 | timing = 0x0808; |
| 63 | break; |
| 64 | case XFER_SW_DMA_2: |
| 65 | case XFER_SW_DMA_1: |
| 66 | case XFER_SW_DMA_0: |
| 67 | timing = 0x0f0f; |
| 68 | break; |
| 69 | case XFER_PIO_4: |
| 70 | timing = 0x0202; |
| 71 | break; |
| 72 | case XFER_PIO_3: |
| 73 | timing = 0x0204; |
| 74 | break; |
| 75 | case XFER_PIO_2: |
| 76 | timing = 0x0404; |
| 77 | break; |
| 78 | case XFER_PIO_1: |
| 79 | timing = 0x0508; |
| 80 | break; |
| 81 | case XFER_PIO_0: |
| 82 | timing = 0x0808; |
| 83 | break; |
| 84 | default: |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 85 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | triflex_timings &= ~(0xFFFF << (16 * unit)); |
| 89 | triflex_timings |= (timing << (16 * unit)); |
| 90 | |
| 91 | pci_write_config_dword(dev, channel_offset, triflex_timings); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | } |
| 93 | |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 94 | static void triflex_set_pio_mode(ide_drive_t *drive, const u8 pio) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | { |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 96 | triflex_set_mode(drive, XFER_PIO_0 + pio); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | } |
| 98 | |
Herbert Xu | d6904ab | 2005-07-03 16:40:31 +0200 | [diff] [blame] | 99 | static void __devinit init_hwif_triflex(ide_hwif_t *hwif) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | { |
Bartlomiej Zolnierkiewicz | 26bcb87 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 101 | hwif->set_pio_mode = &triflex_set_pio_mode; |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 102 | hwif->set_dma_mode = &triflex_set_mode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | |
Bartlomiej Zolnierkiewicz | 88b4704 | 2007-08-20 22:42:56 +0200 | [diff] [blame] | 104 | if (hwif->dma_base == 0) |
| 105 | return; |
| 106 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | hwif->mwdma_mask = 0x07; |
| 108 | hwif->swdma_mask = 0x07; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | static ide_pci_device_t triflex_device __devinitdata = { |
| 112 | .name = "TRIFLEX", |
| 113 | .init_hwif = init_hwif_triflex, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | .autodma = AUTODMA, |
| 115 | .enablebits = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}}, |
| 116 | .bootable = ON_BOARD, |
Bartlomiej Zolnierkiewicz | 4099d14 | 2007-07-20 01:11:59 +0200 | [diff] [blame] | 117 | .pio_mask = ATA_PIO4, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | }; |
| 119 | |
| 120 | static int __devinit triflex_init_one(struct pci_dev *dev, |
| 121 | const struct pci_device_id *id) |
| 122 | { |
| 123 | return ide_setup_pci_device(dev, &triflex_device); |
| 124 | } |
| 125 | |
Bartlomiej Zolnierkiewicz | 9cbcc5e | 2007-10-16 22:29:56 +0200 | [diff] [blame] | 126 | static const struct pci_device_id triflex_pci_tbl[] = { |
| 127 | { PCI_VDEVICE(COMPAQ, PCI_DEVICE_ID_COMPAQ_TRIFLEX_IDE), 0 }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | { 0, }, |
| 129 | }; |
| 130 | MODULE_DEVICE_TABLE(pci, triflex_pci_tbl); |
| 131 | |
| 132 | static struct pci_driver driver = { |
| 133 | .name = "TRIFLEX_IDE", |
| 134 | .id_table = triflex_pci_tbl, |
| 135 | .probe = triflex_init_one, |
| 136 | }; |
| 137 | |
Bartlomiej Zolnierkiewicz | 82ab1ee | 2007-01-27 13:46:56 +0100 | [diff] [blame] | 138 | static int __init triflex_ide_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | { |
| 140 | return ide_pci_register_driver(&driver); |
| 141 | } |
| 142 | |
| 143 | module_init(triflex_ide_init); |
| 144 | |
| 145 | MODULE_AUTHOR("Torben Mathiasen"); |
| 146 | MODULE_DESCRIPTION("PCI driver module for Compaq Triflex IDE"); |
| 147 | MODULE_LICENSE("GPL"); |
| 148 | |
| 149 | |