diff options
Diffstat (limited to 'recipes/linux/logicpd-pxa270-2.6.19.2/pxa_keys-r5.patch')
| -rw-r--r-- | recipes/linux/logicpd-pxa270-2.6.19.2/pxa_keys-r5.patch | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/recipes/linux/logicpd-pxa270-2.6.19.2/pxa_keys-r5.patch b/recipes/linux/logicpd-pxa270-2.6.19.2/pxa_keys-r5.patch new file mode 100644 index 0000000000..d263786f26 --- /dev/null +++ b/recipes/linux/logicpd-pxa270-2.6.19.2/pxa_keys-r5.patch @@ -0,0 +1,211 @@ +Index: linux-2.6.15-rc1/arch/arm/mach-pxa/Makefile +=================================================================== +--- linux-2.6.15-rc1.orig/arch/arm/mach-pxa/Makefile 2005-11-19 23:13:40.000000000 +0000 ++++ linux-2.6.15-rc1/arch/arm/mach-pxa/Makefile 2005-11-19 23:13:41.000000000 +0000 +@@ -31,6 +31,7 @@ + + # Misc features + obj-$(CONFIG_PM) += pm.o sleep.o ++obj-$(CONFIG_PXA_KEYS) += pxa_keys.o + obj-$(CONFIG_PXA_SSP) += ssp.o + + ifeq ($(CONFIG_PXA27x),y) +Index: linux-2.6.15-rc1/arch/arm/mach-pxa/Kconfig +=================================================================== +--- linux-2.6.15-rc1.orig/arch/arm/mach-pxa/Kconfig 2005-11-19 23:13:40.000000000 +0000 ++++ linux-2.6.15-rc1/arch/arm/mach-pxa/Kconfig 2005-11-19 23:13:41.000000000 +0000 +@@ -112,6 +112,10 @@ + help + Select code specific to PXA27x variants + ++config PXA_KEYS ++ tristate "PXA25x/27x simple keyboard driver" ++ depends on (PXA25x || PXA27x) && INPUT ++ + config IWMMXT + bool + help +Index: linux-2.6.15-rc1/arch/arm/mach-pxa/pxa_keys.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15-rc1/arch/arm/mach-pxa/pxa_keys.c 2005-11-19 23:32:30.000000000 +0000 +@@ -0,0 +1,157 @@ ++/* ++ * Driver interface for keys on PXA25x GPIO lines ++ * ++ * Copyright 2005 Phil Blundell ++ * ++ * 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/module.h> ++#include <linux/version.h> ++ ++#include <linux/init.h> ++#include <linux/fs.h> ++#include <linux/interrupt.h> ++#include <linux/sched.h> ++#include <linux/pm.h> ++#include <linux/sysctl.h> ++#include <linux/proc_fs.h> ++#include <linux/delay.h> ++#include <linux/platform_device.h> ++#include <linux/input.h> ++ ++#include <asm/irq.h> ++#include <asm/arch/hardware.h> ++#include <asm/arch/pxa-regs.h> ++#include <asm/arch/pxa_keys.h> ++ ++static irqreturn_t ++pxa_keys_isr (int irq, void *dev_id, struct pt_regs *regs) ++{ ++ int i; ++ struct pxa_keys_platform_data *k = dev_id; ++ ++ if (k->suspended) ++ return IRQ_HANDLED; ++ ++ for (i = 0; i < k->nbuttons; i++) { ++ int gpio = k->buttons[i].gpio; ++ if (irq == IRQ_GPIO(gpio)) { ++ int state = ((GPLR(gpio) & GPIO_bit(gpio)) ? 1 : 0) ++ ^ ((k->buttons[i].flags & PXAKEY_ACTIVE_LOW) != 0); ++ input_report_key (&k->input, k->buttons[i].keycode, state); ++ if ((k->buttons[i].flags & PXAKEY_PWR_KEY) ++ && time_after(jiffies, k->suspend_jiffies + HZ)) { ++ input_event(&k->input, EV_PWR, k->buttons[i].keycode, state); ++ k->suspend_jiffies=jiffies; ++ } ++ ++ } ++ } ++ ++ return IRQ_HANDLED; ++} ++ ++#ifdef CONFIG_PM ++static int pxa_keys_suspend(struct platform_device *pdev, pm_message_t state) ++{ ++ struct pxa_keys_platform_data *k = platform_get_drvdata(pdev); ++ k->suspended = 1; ++ return 0; ++} ++ ++static int pxa_keys_resume(struct platform_device *pdev) ++{ ++ struct pxa_keys_platform_data *k = platform_get_drvdata(pdev); ++ ++ /* Upon resume, ignore the suspend key for a short while */ ++ k->suspend_jiffies=jiffies; ++ k->suspended = 0; ++ return 0; ++} ++#else ++#define pxa_keys_suspend NULL ++#define pxa_keys_resume NULL ++#endif ++ ++static int ++pxa_keys_probe (struct platform_device *pdev) ++{ ++ struct pxa_keys_platform_data *k; ++ int i; ++ ++ k = pdev->dev.platform_data; ++ platform_set_drvdata(pdev, k); ++ ++ init_input_dev (&k->input); ++ ++ k->input.evbit[0] = BIT(EV_KEY) | BIT(EV_PWR) | BIT(EV_REP); ++ for (i = 0; i < k->nbuttons; i++) { ++ int code = k->buttons[i].keycode; ++ int irq = IRQ_GPIO (k->buttons[i].gpio); ++ int result; ++ ++ set_irq_type (irq, IRQT_BOTHEDGE); ++ result = request_irq (irq, pxa_keys_isr, SA_SAMPLE_RANDOM, ++ "pxa_keys", k); ++ if (result == 0) ++ set_bit (code, k->input.keybit); ++ else ++ printk("pxa_keys: unable to claim irq %d; error %d\n", irq, result); ++ } ++ ++ k->input.name = pdev->name; ++ k->input.private = k; ++ ++ k->suspend_jiffies=jiffies; ++ k->suspended=0; ++ ++ input_register_device (&k->input); ++ ++ return 0; ++} ++ ++static int ++pxa_keys_remove (struct platform_device *pdev) ++{ ++ struct pxa_keys_platform_data *k = pdev->dev.platform_data; ++ int i; ++ ++ for (i = 0; i < k->nbuttons; i++) { ++ int irq = IRQ_GPIO (k->buttons[i].gpio); ++ free_irq (irq, k); ++ } ++ ++ input_unregister_device (&k->input); ++ ++ return 0; ++} ++ ++struct platform_driver pxa_keys_device_driver = { ++ .probe = pxa_keys_probe, ++ .remove = pxa_keys_remove, ++ .suspend = pxa_keys_suspend, ++ .resume = pxa_keys_resume, ++ .driver = { ++ .name = "pxa2xx-keys", ++ }, ++}; ++ ++static int pxa_keys_init (void) ++{ ++ return platform_driver_register(&pxa_keys_device_driver); ++} ++ ++static void pxa_keys_cleanup (void) ++{ ++ platform_driver_unregister(&pxa_keys_device_driver); ++} ++ ++module_init (pxa_keys_init); ++module_exit (pxa_keys_cleanup); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Phil Blundell <pb@handhelds.org>"); ++MODULE_DESCRIPTION("Keyboard driver for PXA25x/PXA27x GPIOs"); +Index: linux-2.6.15-rc1/include/asm-arm/arch-pxa/pxa_keys.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-2.6.15-rc1/include/asm-arm/arch-pxa/pxa_keys.h 2005-11-19 23:13:41.000000000 +0000 +@@ -0,0 +1,17 @@ ++#include <linux/input.h> ++ ++struct pxa_keys_button { ++ int keycode; ++ int gpio; ++ unsigned long flags; ++}; ++#define PXAKEY_ACTIVE_LOW (1 << 0) /* Key is Active Low */ ++#define PXAKEY_PWR_KEY (1 << 1) /* Key is a Power Key */ ++ ++struct pxa_keys_platform_data { ++ struct pxa_keys_button *buttons; ++ int nbuttons; ++ struct input_dev input; ++ unsigned int suspended; ++ unsigned long suspend_jiffies; ++}; |