diff options
Diffstat (limited to 'drivers/ide/triflex.c')
| -rw-r--r-- | drivers/ide/triflex.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c deleted file mode 100644 index 16ddd0956832..000000000000 --- a/drivers/ide/triflex.c +++ /dev/null @@ -1,143 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * 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> - * - * 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); -} - -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); -} - -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); -} - -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; -} -#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); -} - -static void __exit triflex_ide_exit(void) -{ - pci_unregister_driver(&triflex_pci_driver); -} - -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"); - - |