diff options
Diffstat (limited to 'drivers/ide/legacy/ide_platform.c')
| -rw-r--r-- | drivers/ide/legacy/ide_platform.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c deleted file mode 100644 index ccfb9893a46..00000000000 --- a/drivers/ide/legacy/ide_platform.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * Platform IDE driver - * - * Copyright (C) 2007 MontaVista Software - * - * Maintainer: Kumar Gala <galak@kernel.crashing.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/types.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/ide.h> -#include <linux/ioport.h> -#include <linux/module.h> -#include <linux/pata_platform.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -static struct { - void __iomem *plat_ide_mapbase; - void __iomem *plat_ide_alt_mapbase; - ide_hwif_t *hwif; - int index; -} hwif_prop; - -static ide_hwif_t *__devinit plat_ide_locate_hwif(void __iomem *base, - void __iomem *ctrl, struct pata_platform_info *pdata, int irq, - int mmio) -{ - unsigned long port = (unsigned long)base; - ide_hwif_t *hwif; - int index, i; - - for (index = 0; index < MAX_HWIFS; ++index) { - hwif = ide_hwifs + index; - if (hwif->io_ports[IDE_DATA_OFFSET] == port) - goto found; - } - - for (index = 0; index < MAX_HWIFS; ++index) { - hwif = ide_hwifs + index; - if (hwif->io_ports[IDE_DATA_OFFSET] == 0) - goto found; - } - - return NULL; - -found: - - hwif->hw.io_ports[IDE_DATA_OFFSET] = port; - - port += (1 << pdata->ioport_shift); - for (i = IDE_ERROR_OFFSET; i <= IDE_STATUS_OFFSET; - i++, port += (1 << pdata->ioport_shift)) - hwif->hw.io_ports[i] = port; - - hwif->hw.io_ports[IDE_CONTROL_OFFSET] = (unsigned long)ctrl; - - memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports)); - hwif->hw.irq = hwif->irq = irq; - - hwif->hw.dma = NO_DMA; - hwif->hw.chipset = ide_generic; - - if (mmio) { - hwif->mmio = 1; - default_hwif_mmiops(hwif); - } - - hwif_prop.hwif = hwif; - hwif_prop.index = index; - - return hwif; -} - -static int __devinit plat_ide_probe(struct platform_device *pdev) -{ - struct resource *res_base, *res_alt, *res_irq; - ide_hwif_t *hwif; - struct pata_platform_info *pdata; - int ret = 0; - int mmio = 0; - - pdata = pdev->dev.platform_data; - - /* get a pointer to the register memory */ - res_base = platform_get_resource(pdev, IORESOURCE_IO, 0); - res_alt = platform_get_resource(pdev, IORESOURCE_IO, 1); - - if (!res_base || !res_alt) { - res_base = platform_get_resource(pdev, IORESOURCE_MEM, 0); - res_alt = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!res_base || !res_alt) { - ret = -ENOMEM; - goto out; - } - mmio = 1; - } - - res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res_irq) { - ret = -EINVAL; - goto out; - } - - if (mmio) { - hwif_prop.plat_ide_mapbase = devm_ioremap(&pdev->dev, - res_base->start, res_base->end - res_base->start + 1); - hwif_prop.plat_ide_alt_mapbase = devm_ioremap(&pdev->dev, - res_alt->start, res_alt->end - res_alt->start + 1); - } else { - hwif_prop.plat_ide_mapbase = devm_ioport_map(&pdev->dev, - res_base->start, res_base->end - res_base->start + 1); - hwif_prop.plat_ide_alt_mapbase = devm_ioport_map(&pdev->dev, - res_alt->start, res_alt->end - res_alt->start + 1); - } - - hwif = plat_ide_locate_hwif(hwif_prop.plat_ide_mapbase, - hwif_prop.plat_ide_alt_mapbase, pdata, res_irq->start, mmio); - - if (!hwif) { - ret = -ENODEV; - goto out; - } - hwif->gendev.parent = &pdev->dev; - hwif->noprobe = 0; - - probe_hwif_init(hwif); - - platform_set_drvdata(pdev, hwif); - ide_proc_register_port(hwif); - - return 0; - -out: - return ret; -} - -static int __devexit plat_ide_remove(struct platform_device *pdev) -{ - ide_hwif_t *hwif = pdev->dev.driver_data; - - if (hwif != hwif_prop.hwif) { - dev_printk(KERN_DEBUG, &pdev->dev, "%s: hwif value error", - pdev->name); - } else { - ide_unregister(hwif_prop.index); - hwif_prop.index = 0; - hwif_prop.hwif = NULL; - } - - return 0; -} - -static struct platform_driver platform_ide_driver = { - .driver = { - .name = "pata_platform", - }, - .probe = plat_ide_probe, - .remove = __devexit_p(plat_ide_remove), -}; - -static int __init platform_ide_init(void) -{ - return platform_driver_register(&platform_ide_driver); -} - -static void __exit platform_ide_exit(void) -{ - platform_driver_unregister(&platform_ide_driver); -} - -MODULE_DESCRIPTION("Platform IDE driver"); -MODULE_LICENSE("GPL"); - -module_init(platform_ide_init); -module_exit(platform_ide_exit); |