From e44a1f8f4ae2292ee1b90e225c3b2c6c1e49d790 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 10 Jan 2008 18:44:38 +0000 Subject: Replace system button patch with its correspondant API SVN-Revision: 10161 --- target/linux/au1000/patches/002-sys_btn_gpio.patch | 56 +++++ .../au1000/patches/006-mtx1_system_button.patch | 241 --------------------- 2 files changed, 56 insertions(+), 241 deletions(-) create mode 100644 target/linux/au1000/patches/002-sys_btn_gpio.patch delete mode 100644 target/linux/au1000/patches/006-mtx1_system_button.patch (limited to 'target/linux/au1000/patches') diff --git a/target/linux/au1000/patches/002-sys_btn_gpio.patch b/target/linux/au1000/patches/002-sys_btn_gpio.patch new file mode 100644 index 0000000000..741f557cfc --- /dev/null +++ b/target/linux/au1000/patches/002-sys_btn_gpio.patch @@ -0,0 +1,56 @@ +This patch adds support for the GPIO connected system button on the MTX-1 boards. Default configuration is updated accordingly. + +Signed-off-by: Florian Fainelli +--- +diff --git a/arch/mips/au1000/mtx-1/platform.c b/arch/mips/au1000/mtx-1/platform.c +index 49c0fb4..ce8637b 100644 +--- a/arch/mips/au1000/mtx-1/platform.c ++++ b/arch/mips/au1000/mtx-1/platform.c +@@ -22,9 +22,32 @@ + #include + #include + #include ++#include ++#include + + #include + ++static struct gpio_keys_button mtx1_gpio_button[] = { ++ { ++ .gpio = 207, ++ .code = BTN_0, ++ .desc = "System button", ++ } ++}; ++ ++static struct gpio_keys_platform_data mtx1_buttons_data = { ++ .buttons = mtx1_gpio_button, ++ .nbuttons = ARRAY_SIZE(mtx1_gpio_button), ++}; ++ ++static struct platform_device mtx1_button = { ++ .name = "gpio-keys", ++ .id = -1, ++ .dev = { ++ .platform_data = &mtx1_buttons_data, ++ } ++}; ++ + static struct resource mtx1_wdt_res[] = { + [0] = { + .start = 15, +@@ -66,11 +89,13 @@ static struct platform_device mtx1_gpio_leds = { + + static struct __initdata platform_device * mtx1_devs[] = { + &mtx1_gpio_leds, +- &mtx1_wdt ++ &mtx1_wdt, ++ &mtx1_button + }; + + static int __init mtx1_register_devices(void) + { ++ gpio_direction_input(207); + return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs)); + } + diff --git a/target/linux/au1000/patches/006-mtx1_system_button.patch b/target/linux/au1000/patches/006-mtx1_system_button.patch deleted file mode 100644 index cc452433cf..0000000000 --- a/target/linux/au1000/patches/006-mtx1_system_button.patch +++ /dev/null @@ -1,241 +0,0 @@ -diff -urN linux-2.6.16.7/arch/mips/au1000/mtx-1/irqmap.c linux-2.6.16.7.new/arch/mips/au1000/mtx-1/irqmap.c ---- linux-2.6.16.7/arch/mips/au1000/mtx-1/irqmap.c 2006-04-17 23:53:25.000000000 +0200 -+++ linux-2.6.16.7.new/arch/mips/au1000/mtx-1/irqmap.c 2006-04-23 11:54:31.000000000 +0200 -@@ -64,6 +64,7 @@ - { AU1500_GPIO_202, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_203, INTC_INT_LOW_LEVEL, 0 }, - { AU1500_GPIO_205, INTC_INT_LOW_LEVEL, 0 }, -+ { AU1500_GPIO_207, INTC_INT_RISE_AND_FALL_EDGE, 0 }, - }; - - int au1xxx_nr_irqs = sizeof(au1xxx_irq_map)/sizeof(au1xxx_irq_map_t); -diff -urN linux-2.6.16.7/arch/mips/au1000/mtx-1/Makefile linux-2.6.16.7.new/arch/mips/au1000/mtx-1/Makefile ---- linux-2.6.16.7/arch/mips/au1000/mtx-1/Makefile 2006-04-17 23:53:25.000000000 +0200 -+++ linux-2.6.16.7.new/arch/mips/au1000/mtx-1/Makefile 2006-04-23 14:01:36.000000000 +0200 -@@ -8,3 +8,4 @@ - # - - lib-y := init.o board_setup.o irqmap.o -+obj-y := mtx-1_sysbtn.o platform.o -diff -urN linux-2.6.16.7/arch/mips/au1000/mtx-1/mtx-1_sysbtn.c linux-2.6.16.7.new/arch/mips/au1000/mtx-1/mtx-1_sysbtn.c ---- linux-2.6.16.7/arch/mips/au1000/mtx-1/mtx-1_sysbtn.c 1970-01-01 01:00:00.000000000 +0100 -+++ linux-2.6.16.7.new/arch/mips/au1000/mtx-1/mtx-1_sysbtn.c 2006-04-23 14:01:17.000000000 +0200 -@@ -0,0 +1,218 @@ -+/* -+ * Driver for the MTX-1 System Button. -+ * -+ * (c) Copyright 2005 4G Systems , All Rights Reserved. -+ * http://www.4g-systems.biz -+ * -+ * 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. -+ * -+ * Neither Michael Stickel nor 4G Systeme GmbH admit liability nor provide -+ * warranty for any of this software. This material is provided -+ * "AS-IS" and at no charge. -+ * -+ * (c) Copyright 2005 4G Systems -+ * -+ * Release 0.01. -+ * -+ * Author: Michael Stickel michael.stickel@4g-systems.biz -+ * -+ * -+ * After the module is loaded there is a device /dev/misc/btn -+ * that can be read. It returns one char '1' if the button -+ * has been pressed an '0' if it has been released. -+ */ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#include -+ -+ -+#ifndef FALSE -+# define FALSE (0) -+#endif -+ -+#ifndef TRUE -+# define TRUE (!FALSE) -+#endif -+ -+ -+//---------[ declarations ]----------------- -+ -+ -+static DECLARE_WAIT_QUEUE_HEAD(mtx1btn_wait_queue); -+static char state_changed; -+static char last_value; -+static char is_inuse; -+ -+ -+//---------[ Hardware Functions ]----------------- -+ -+// The MTX-1 Button is attached to GPIO207. -+#define MTX1_GPIO2_SYSBTN (7) -+#define MTX1_SYSBTN_IRQ (AU1500_GPIO_207) -+ -+ -+static char mtx1_getbtn (int btnno) -+{ -+ if (btnno==0) { -+ return (au_readl(GPIO2_PINSTATE) & (1<i_rdev)!=mtx1sysbtn_minor) return -ENODEV; -+ if (is_inuse) return -EBUSY; -+ is_inuse=1; -+ last_value = mtx1_getbtn(0); -+ state_changed = 0; -+ return 0; -+} -+ -+ -+static int mtx1sysbtn_release (struct inode *inode, struct file *file) { -+ if (MINOR(inode->i_rdev)==mtx1sysbtn_minor) { -+ is_inuse=0; -+ } -+ return 0; -+} -+ -+ -+static ssize_t mtx1sysbtn_read (struct file *file, char *buf, size_t count, loff_t *ppos) -+{ -+ if (count < 1) -+ return -EINVAL; -+ if (!state_changed) -+ interruptible_sleep_on (&mtx1btn_wait_queue); -+ state_changed = 0; -+ char c = last_value ? '1' : '0'; /* mtx1_getbtn(0) */ -+ if(copy_to_user(buf, &c, 1)) -+ return -EFAULT; -+ return 1; -+} -+ -+ -+static unsigned int mtx1sysbtn_poll (struct file *file, poll_table * wait) -+{ -+ unsigned int mask = 0; -+ -+ poll_wait (file, &mtx1btn_wait_queue, wait); -+ -+ if (state_changed) // state changed since last time. -+ mask |= POLLIN | POLLRDNORM; -+ -+ return mask; -+} -+ -+ -+static struct file_operations mtx1sysbtn_fops = { -+ .owner = THIS_MODULE, -+ .read = mtx1sysbtn_read, -+ .poll = mtx1sysbtn_poll, -+ .open = mtx1sysbtn_open, -+ .release = mtx1sysbtn_release -+}; -+ -+ -+static struct miscdevice mtx1sysbtn_miscdev = { -+ MISC_DYNAMIC_MINOR /* SYSBTN_MINOR */ , -+ "btn", -+ &mtx1sysbtn_fops -+}; -+ -+ -+ -+//---------[ Module Functions ]----------------- -+ -+ -+void __exit exit_mtx1_sysbtn (void) -+{ -+ is_inuse = 1; -+ mtx1_btn_stopirq (); -+ misc_deregister(&mtx1sysbtn_miscdev); -+} -+ -+ -+static int __init init_mtx1_sysbtn (void) -+{ -+ printk("MTX-1 System Button driver\n"); -+ is_inuse = 1; -+ mtx1_initbuttons (); -+ if (misc_register (&mtx1sysbtn_miscdev) >= 0) { -+ mtx1sysbtn_minor = mtx1sysbtn_miscdev.minor; -+ if (mtx1_btn_startirq () == 0) { -+ is_inuse=0; -+ return 0; -+ } -+ misc_deregister(&mtx1sysbtn_miscdev); -+ } -+ return 1; -+} -+ -+module_init(init_mtx1_sysbtn); -+module_exit(exit_mtx1_sysbtn); -+ -+MODULE_AUTHOR("Michael Stickel"); -+MODULE_DESCRIPTION("Driver for the MTX-1 system button"); -+MODULE_LICENSE("GPL"); -- cgit v1.2.3