cregit-Linux how code gets into the kernel

Release 4.11 drivers/ide/triflex.c

Directory: drivers/ide
/*
 * IDE Chipset driver for the Compaq TriFlex IDE controller.
 * 
 * Known to work with the Compaq Workstation 5x00 series.
 *
 * Copyright (C) 2002 Hewlett-Packard Development Group, L.P.
 * Author: Torben Mathiasen <torben.mathiasen@hp.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Loosely based on the piix & svwks drivers.
 *
 * Documentation:
 *      Not publicly available.
 */

#include <linux/types.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/ide.h>
#include <linux/init.h>


#define DRV_NAME "triflex"


static void triflex_set_mode(ide_hwif_t *hwif, ide_drive_t *drive) { struct pci_dev *dev = to_pci_dev(hwif->dev); u32 triflex_timings = 0; u16 timing = 0; u8 channel_offset = hwif->channel ? 0x74 : 0x70, unit = drive->dn & 1; pci_read_config_dword(dev, channel_offset, &triflex_timings); switch (drive->dma_mode) { case XFER_MW_DMA_2: timing = 0x0103; break; case XFER_MW_DMA_1: timing = 0x0203; break; case XFER_MW_DMA_0: timing = 0x0808; break; case XFER_SW_DMA_2: case XFER_SW_DMA_1: case XFER_SW_DMA_0: timing = 0x0f0f; break; case XFER_PIO_4: timing = 0x0202; break; case XFER_PIO_3: timing = 0x0204; break; case XFER_PIO_2: timing = 0x0404; break; case XFER_PIO_1: timing = 0x0508; break; case XFER_PIO_0: timing = 0x0808; break; } triflex_timings &= ~(0xFFFF << (16 * unit)); triflex_timings |= (timing << (16 * unit)); pci_write_config_dword(dev, channel_offset, triflex_timings); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox15985.95%120.00%
Bartlomiej Zolnierkiewicz2614.05%480.00%
Total185100.00%5100.00%


static void triflex_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive) { drive->dma_mode = drive->pio_mode; triflex_set_mode(hwif, drive); }

Contributors

PersonTokensPropCommitsCommitProp
Bartlomiej Zolnierkiewicz1758.62%375.00%
Alan Cox1241.38%125.00%
Total29100.00%4100.00%

static const struct ide_port_ops triflex_port_ops = { .set_pio_mode = triflex_set_pio_mode, .set_dma_mode = triflex_set_mode, }; static const struct ide_port_info triflex_device = { .name = DRV_NAME, .enablebits = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}}, .port_ops = &triflex_port_ops, .pio_mask = ATA_PIO4, .swdma_mask = ATA_SWDMA2, .mwdma_mask = ATA_MWDMA2, };
static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) { return ide_pci_init_one(dev, &triflex_device, NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox2071.43%120.00%
Bartlomiej Zolnierkiewicz828.57%480.00%
Total28100.00%5100.00%

static const struct pci_device_id triflex_pci_tbl[] = { { PCI_VDEVICE(COMPAQ, PCI_DEVICE_ID_COMPAQ_TRIFLEX_IDE), 0 }, { 0, }, }; MODULE_DEVICE_TABLE(pci, triflex_pci_tbl); #ifdef CONFIG_PM
static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state) { /* * We must not disable or powerdown the device. * APM bios refuses to suspend if IDE is not accessible. */ pci_save_state(dev); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Mikulas Patocka23100.00%1100.00%
Total23100.00%1100.00%

#else #define triflex_ide_pci_suspend NULL #endif static struct pci_driver triflex_pci_driver = { .name = "TRIFLEX_IDE", .id_table = triflex_pci_tbl, .probe = triflex_init_one, .remove = ide_pci_remove, .suspend = triflex_ide_pci_suspend, .resume = ide_pci_resume, };
static int __init triflex_ide_init(void) { return ide_pci_register_driver(&triflex_pci_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Alan Cox1487.50%133.33%
Bartlomiej Zolnierkiewicz212.50%266.67%
Total16100.00%3100.00%


static void __exit triflex_ide_exit(void) { pci_unregister_driver(&triflex_pci_driver); }

Contributors

PersonTokensPropCommitsCommitProp
Bartlomiej Zolnierkiewicz15100.00%2100.00%
Total15100.00%2100.00%

module_init(triflex_ide_init); module_exit(triflex_ide_exit); MODULE_AUTHOR("Torben Mathiasen"); MODULE_DESCRIPTION("PCI driver module for Compaq Triflex IDE"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Alan Cox26753.83%14.00%
Bartlomiej Zolnierkiewicz19238.71%2184.00%
Mikulas Patocka357.06%14.00%
Lucas De Marchi10.20%14.00%
Deepak Saxena10.20%14.00%
Greg Kroah-Hartman0.00%00.00%
Total496100.00%25100.00%
Directory: drivers/ide
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.