diff options
Diffstat (limited to 'drivers/ata/pata_palmld.c')
| -rw-r--r-- | drivers/ata/pata_palmld.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c deleted file mode 100644 index 8c0d7d736b7a..000000000000 --- a/drivers/ata/pata_palmld.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * drivers/ata/pata_palmld.c - * - * Driver for IDE channel in Palm LifeDrive - * - * Based on research of: - * Alex Osborne <ato@meshy.org> - * - * Rewrite for mainline: - * Marek Vasut <marek.vasut@gmail.com> - * - * Rewritten version based on pata_ixp4xx_cf.c: - * ixp4xx PATA/Compact Flash driver - * Copyright (C) 2006-07 Tower Technologies - * Author: Alessandro Zummo <a.zummo@towertech.it> - * - * 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. - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/libata.h> -#include <linux/irq.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/gpio.h> - -#include <scsi/scsi_host.h> -#include <mach/palmld.h> - -#define DRV_NAME "pata_palmld" - -static struct gpio palmld_hdd_gpios[] = { - { GPIO_NR_PALMLD_IDE_PWEN, GPIOF_INIT_HIGH, "HDD Power" }, - { GPIO_NR_PALMLD_IDE_RESET, GPIOF_INIT_LOW, "HDD Reset" }, -}; - -static struct scsi_host_template palmld_sht = { - ATA_PIO_SHT(DRV_NAME), -}; - -static struct ata_port_operations palmld_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - .cable_detect = ata_cable_40wire, -}; - -static int palmld_pata_probe(struct platform_device *pdev) -{ - struct ata_host *host; - struct ata_port *ap; - void __iomem *mem; - int ret; - - /* allocate host */ - host = ata_host_alloc(&pdev->dev, 1); - if (!host) { - ret = -ENOMEM; - goto err1; - } - - /* remap drive's physical memory address */ - mem = devm_ioremap(&pdev->dev, PALMLD_IDE_PHYS, 0x1000); - if (!mem) { - ret = -ENOMEM; - goto err1; - } - - /* request and activate power GPIO, IRQ GPIO */ - ret = gpio_request_array(palmld_hdd_gpios, - ARRAY_SIZE(palmld_hdd_gpios)); - if (ret) - goto err1; - - /* reset the drive */ - gpio_set_value(GPIO_NR_PALMLD_IDE_RESET, 0); - msleep(30); - gpio_set_value(GPIO_NR_PALMLD_IDE_RESET, 1); - msleep(30); - - /* setup the ata port */ - ap = host->ports[0]; - ap->ops = &palmld_port_ops; - ap->pio_mask = ATA_PIO4; - ap->flags |= ATA_FLAG_PIO_POLLING; - - /* memory mapping voodoo */ - ap->ioaddr.cmd_addr = mem + 0x10; - ap->ioaddr.altstatus_addr = mem + 0xe; - ap->ioaddr.ctl_addr = mem + 0xe; - - /* start the port */ - ata_sff_std_ports(&ap->ioaddr); - - /* activate host */ - ret = ata_host_activate(host, 0, NULL, IRQF_TRIGGER_RISING, - &palmld_sht); - if (ret) - goto err2; - - return ret; - -err2: - gpio_free_array(palmld_hdd_gpios, ARRAY_SIZE(palmld_hdd_gpios)); -err1: - return ret; -} - -static int palmld_pata_remove(struct platform_device *dev) -{ - ata_platform_remove_one(dev); - - /* power down the HDD */ - gpio_set_value(GPIO_NR_PALMLD_IDE_PWEN, 0); - - gpio_free_array(palmld_hdd_gpios, ARRAY_SIZE(palmld_hdd_gpios)); - - return 0; -} - -static struct platform_driver palmld_pata_platform_driver = { - .driver = { - .name = DRV_NAME, - }, - .probe = palmld_pata_probe, - .remove = palmld_pata_remove, -}; - -module_platform_driver(palmld_pata_platform_driver); - -MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); -MODULE_DESCRIPTION("PalmLD PATA driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" DRV_NAME); |