diff options
Diffstat (limited to 'arch/sh/boards/landisk/psw.c')
-rw-r--r-- | arch/sh/boards/landisk/psw.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/arch/sh/boards/landisk/psw.c b/arch/sh/boards/landisk/psw.c deleted file mode 100644 index 5a9b70b..0000000 --- a/arch/sh/boards/landisk/psw.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * arch/sh/boards/landisk/psw.c - * - * push switch support for LANDISK and USL-5P - * - * Copyright (C) 2006-2007 Paul Mundt - * Copyright (C) 2007 kogiidena - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/io.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <asm/landisk/iodata_landisk.h> -#include <asm/push-switch.h> - -static irqreturn_t psw_irq_handler(int irq, void *arg) -{ - struct platform_device *pdev = arg; - struct push_switch *psw = platform_get_drvdata(pdev); - struct push_switch_platform_info *psw_info = pdev->dev.platform_data; - unsigned int sw_value; - int ret = 0; - - sw_value = (0x0ff & (~ctrl_inb(PA_STATUS))); - - /* Nothing to do if there's no state change */ - if (psw->state) { - ret = 1; - goto out; - } - - /* Figure out who raised it */ - if (sw_value & (1 << psw_info->bit)) { - psw->state = 1; - mod_timer(&psw->debounce, jiffies + 50); - ret = 1; - } - -out: - /* Clear the switch IRQs */ - ctrl_outb(0x00, PA_PWRINT_CLR); - - return IRQ_RETVAL(ret); -} - -static struct resource psw_power_resources[] = { - [0] = { - .start = IRQ_POWER, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource psw_usl5p_resources[] = { - [0] = { - .start = IRQ_BUTTON, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct push_switch_platform_info psw_power_platform_data = { - .name = "psw_power", - .bit = 4, - .irq_flags = IRQF_SHARED, - .irq_handler = psw_irq_handler, -}; - -static struct push_switch_platform_info psw1_platform_data = { - .name = "psw1", - .bit = 0, - .irq_flags = IRQF_SHARED, - .irq_handler = psw_irq_handler, -}; - -static struct push_switch_platform_info psw2_platform_data = { - .name = "psw2", - .bit = 2, - .irq_flags = IRQF_SHARED, - .irq_handler = psw_irq_handler, -}; - -static struct push_switch_platform_info psw3_platform_data = { - .name = "psw3", - .bit = 1, - .irq_flags = IRQF_SHARED, - .irq_handler = psw_irq_handler, -}; - -static struct platform_device psw_power_switch_device = { - .name = "push-switch", - .id = 0, - .num_resources = ARRAY_SIZE(psw_power_resources), - .resource = psw_power_resources, - .dev = { - .platform_data = &psw_power_platform_data, - }, -}; - -static struct platform_device psw1_switch_device = { - .name = "push-switch", - .id = 1, - .num_resources = ARRAY_SIZE(psw_usl5p_resources), - .resource = psw_usl5p_resources, - .dev = { - .platform_data = &psw1_platform_data, - }, -}; - -static struct platform_device psw2_switch_device = { - .name = "push-switch", - .id = 2, - .num_resources = ARRAY_SIZE(psw_usl5p_resources), - .resource = psw_usl5p_resources, - .dev = { - .platform_data = &psw2_platform_data, - }, -}; - -static struct platform_device psw3_switch_device = { - .name = "push-switch", - .id = 3, - .num_resources = ARRAY_SIZE(psw_usl5p_resources), - .resource = psw_usl5p_resources, - .dev = { - .platform_data = &psw3_platform_data, - }, -}; - -static struct platform_device *psw_devices[] = { - &psw_power_switch_device, - &psw1_switch_device, - &psw2_switch_device, - &psw3_switch_device, -}; - -static int __init psw_init(void) -{ - return platform_add_devices(psw_devices, ARRAY_SIZE(psw_devices)); -} -module_init(psw_init); |