X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/4bd70fc26256cf485f19e0c8b881e078dc36134f..26e3776a22bf894ced5af4c28968dc1dc99968eb:/target/linux/at91/patches-2.6.21/003-gpio-driver.patch

diff --git a/target/linux/at91/patches-2.6.21/003-gpio-driver.patch b/target/linux/at91/patches-2.6.21/003-gpio-driver.patch
deleted file mode 100644
index b4ef42ddb..000000000
--- a/target/linux/at91/patches-2.6.21/003-gpio-driver.patch
+++ /dev/null
@@ -1,363 +0,0 @@
-Index: linux-2.6.21.7/arch/arm/mach-at91/gpio.c
-===================================================================
---- linux-2.6.21.7.orig/arch/arm/mach-at91/gpio.c
-+++ linux-2.6.21.7/arch/arm/mach-at91/gpio.c
-@@ -27,6 +27,7 @@
- 
- static struct at91_gpio_bank *gpio;
- static int gpio_banks;
-+static u32 pio_gpio_pin[4] = { 0, 0, 0, 0 };
- 
- 
- static inline void __iomem *pin_to_controller(unsigned pin)
-@@ -71,9 +72,13 @@ int __init_or_module at91_set_GPIO_perip
- {
- 	void __iomem	*pio = pin_to_controller(pin);
- 	unsigned	mask = pin_to_mask(pin);
-+	int bank = (pin - PIN_BASE) / 32;
- 
- 	if (!pio)
- 		return -EINVAL;
-+
-+	pio_gpio_pin[bank] |= mask;
-+
- 	__raw_writel(mask, pio + PIO_IDR);
- 	__raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
- 	__raw_writel(mask, pio + PIO_PER);
-@@ -130,10 +135,13 @@ int __init_or_module at91_set_gpio_input
- {
- 	void __iomem	*pio = pin_to_controller(pin);
- 	unsigned	mask = pin_to_mask(pin);
-+	int bank = (pin - PIN_BASE) / 32;
- 
- 	if (!pio)
- 		return -EINVAL;
- 
-+	pio_gpio_pin[bank] |= mask;
-+
- 	__raw_writel(mask, pio + PIO_IDR);
- 	__raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
- 	__raw_writel(mask, pio + PIO_ODR);
-@@ -151,10 +159,13 @@ int __init_or_module at91_set_gpio_outpu
- {
- 	void __iomem	*pio = pin_to_controller(pin);
- 	unsigned	mask = pin_to_mask(pin);
-+	int bank = (pin - PIN_BASE) / 32;
- 
- 	if (!pio)
- 		return -EINVAL;
- 
-+	pio_gpio_pin[bank] |= mask;
-+
- 	__raw_writel(mask, pio + PIO_IDR);
- 	__raw_writel(mask, pio + PIO_PUDR);
- 	__raw_writel(mask, pio + (value ? PIO_SODR : PIO_CODR));
-@@ -262,6 +273,18 @@ int at91_get_gpio_value(unsigned pin)
- }
- EXPORT_SYMBOL(at91_get_gpio_value);
- 
-+int at91_is_pin_gpio(unsigned pin)
-+{
-+  void __iomem  *pio = pin_to_controller(pin);
-+  unsigned  mask = pin_to_mask(pin);
-+  int     bank = (pin - PIN_BASE) / 32;
-+
-+  if (!pio)
-+    return -EINVAL;
-+  return (pio_gpio_pin[bank] & mask) != 0;
-+}
-+EXPORT_SYMBOL(at91_is_pin_gpio);
-+
- /*--------------------------------------------------------------------------*/
- 
- #ifdef CONFIG_PM
-Index: linux-2.6.21.7/drivers/char/Kconfig
-===================================================================
---- linux-2.6.21.7.orig/drivers/char/Kconfig
-+++ linux-2.6.21.7/drivers/char/Kconfig
-@@ -1087,5 +1087,12 @@ config AT91_SPIDEV
- 	  The SPI driver gives user mode access to this serial
- 	  bus on the AT91RM9200 processor.
- 
-+config AT91_VLIO
-+  tristate "Versalink LED and GPIO interface"
-+  depends on ARCH_AT91RM9200 && MACH_VLINK
-+  default n
-+  help
-+    Provides a handler GPIO's in userspace
-+
- endmenu
- 
-Index: linux-2.6.21.7/drivers/char/Makefile
-===================================================================
---- linux-2.6.21.7.orig/drivers/char/Makefile
-+++ linux-2.6.21.7/drivers/char/Makefile
-@@ -95,6 +95,7 @@ obj-$(CONFIG_TANBAC_TB0219)	+= tb0219.o
- obj-$(CONFIG_TELCLOCK)		+= tlclk.o
- obj-$(CONFIG_AT91_SPI)		+= at91_spi.o
- obj-$(CONFIG_AT91_SPIDEV)	+= at91_spidev.o
-+obj-$(CONFIG_AT91_VLIO)  += vlink_giu.o
- 
- obj-$(CONFIG_WATCHDOG)		+= watchdog/
- obj-$(CONFIG_MWAVE)		+= mwave/
-Index: linux-2.6.21.7/drivers/char/vlink_giu.c
-===================================================================
---- /dev/null
-+++ linux-2.6.21.7/drivers/char/vlink_giu.c
-@@ -0,0 +1,256 @@
-+/*
-+ *  Driver for FDL Versalink GPIO
-+ *
-+ *  Copyright (C) 2005 Guthrie Consulting
-+ *	Author: Hamish Guthrie <hamish@prodigi.ch>
-+ *
-+ *  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.
-+ *
-+ *  This program is distributed in the hope that it will be useful,
-+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
-+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-+ *  GNU General Public License for more details.
-+ *
-+ *  You should have received a copy of the GNU General Public License
-+ *  along with this program; if not, write to the Free Software
-+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-+ */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/init.h>
-+#include <linux/platform_device.h>
-+
-+#include <linux/kernel.h>
-+#include <linux/slab.h>
-+#include <linux/fs.h>
-+#include <linux/errno.h>
-+#include <linux/init.h>
-+#include <linux/types.h>
-+#include <linux/proc_fs.h>
-+#include <linux/fcntl.h>
-+#include <linux/seq_file.h>
-+#include <linux/cdev.h>
-+#include <asm/arch/gpio.h>
-+#include <asm/uaccess.h>
-+
-+static int major;	/* default is dynamic major device number */
-+module_param(major, int, 0);
-+MODULE_PARM_DESC(major, "Major device number");
-+
-+#define VIO_NR_DEVS 96
-+
-+struct vio_dev {
-+	struct cdev cdev;
-+};
-+
-+struct vio_dev *vio_devices;
-+static struct class *vio_class;
-+
-+static ssize_t gpio_read(struct file *file, char __user *buf, size_t len,
-+                         loff_t *ppos)
-+{
-+	unsigned int pin;
-+	int retval;
-+	char value = '0';
-+
-+	pin = iminor(file->f_dentry->d_inode);
-+
-+	retval = at91_get_gpio_value(PIN_BASE + pin);
-+	if (retval < 0)
-+		return -EFAULT;
-+
-+	value = retval + 0x30;
-+	if (put_user(value, buf))
-+		return -EFAULT;
-+
-+	return 1;
-+}
-+
-+static ssize_t gpio_write(struct file *file, const char __user *data,
-+                          size_t len, loff_t *ppos)
-+{
-+	unsigned int pin;
-+	size_t i;
-+	char c;
-+	int retval = 0;
-+
-+	pin = iminor(file->f_dentry->d_inode);
-+
-+	for (i = 0; i < len; i++) {
-+		if (get_user(c, data + i))
-+			return -EFAULT;
-+
-+		switch (c) {
-+		case '0':
-+		case '1':
-+			retval = at91_set_gpio_value(PIN_BASE + pin, (int)c - 0x30);
-+			if (retval < 0)
-+				return -EFAULT;
-+			break;
-+		default:
-+			break;
-+		}
-+
-+		if (retval < 0)
-+			break;
-+	}
-+
-+	return i;
-+}
-+
-+static int gpio_open(struct inode *inode, struct file *file)
-+{
-+	return nonseekable_open(inode, file);
-+}
-+
-+static int gpio_release(struct inode *inode, struct file *file)
-+{
-+	return 0;
-+}
-+
-+static struct file_operations vio_fops = {
-+	.owner		= THIS_MODULE,
-+	.read		= gpio_read,
-+	.write		= gpio_write,
-+	.open		= gpio_open,
-+	.release	= gpio_release,
-+};
-+
-+static void vio_setup_cdev(struct vio_dev *dev, int index)
-+{
-+	int err, devno = MKDEV(major, index);
-+
-+	cdev_init(&dev->cdev, &vio_fops);
-+	dev->cdev.owner = THIS_MODULE;
-+	dev->cdev.ops = &vio_fops;
-+	err = cdev_add (&dev->cdev, devno, 1);
-+	if (err)
-+		printk(KERN_NOTICE "vio: Error %d adding vio%d", err, index);
-+}
-+
-+static int vio_remove(struct platform_device *dev)
-+{
-+	int i;
-+	dev_t devno = MKDEV(major, 0);
-+
-+	if (vio_devices) {
-+		for(i=0; i<VIO_NR_DEVS; i++) {
-+			int iodev = at91_is_pin_gpio(PIN_BASE + i);
-+			if (iodev) {
-+				cdev_del(&vio_devices[i].cdev);
-+				class_device_destroy(vio_class, MKDEV(major, i));
-+			}
-+		}
-+		kfree(vio_devices);
-+	}
-+
-+	class_destroy(vio_class);
-+	unregister_chrdev_region(devno, VIO_NR_DEVS);
-+
-+	platform_set_drvdata(dev, NULL);
-+
-+	return 0;
-+}
-+
-+static int vio_probe(struct platform_device *dev)
-+{
-+	int retval, i, j;
-+	dev_t vdev = 0;
-+
-+	if (major) {
-+		vdev = MKDEV(major, 0);
-+		retval = register_chrdev_region(vdev, VIO_NR_DEVS, "vio");
-+	} else {
-+		retval = alloc_chrdev_region(&vdev, 0, VIO_NR_DEVS, "vio");
-+		major = MAJOR(vdev);
-+	}
-+	if (retval < 0) {
-+		printk(KERN_WARNING "vio: can't get major %d\n", major);
-+		return retval;
-+	}
-+
-+	if (major == 0) {
-+		major = retval;
-+		printk(KERN_INFO "vio: major number %d\n", major);
-+	}
-+
-+	vio_class = class_create(THIS_MODULE, "vio");
-+
-+	if (IS_ERR(vio_class)) {
-+		printk(KERN_ERR "vio: Error creating vio class\n");
-+		vio_remove(dev);
-+		return PTR_ERR(vio_class);
-+	}
-+
-+	vio_devices = kmalloc(VIO_NR_DEVS * sizeof(struct vio_dev), GFP_KERNEL);
-+	if (!vio_devices) {
-+		retval = -ENOMEM;
-+		goto fail;
-+	}
-+	memset(vio_devices, 0, VIO_NR_DEVS * sizeof(struct vio_dev));
-+
-+	for (i=0; i<VIO_NR_DEVS/32; i++)
-+		for(j=0; j<32; j++) {
-+			int iodev = at91_is_pin_gpio(PIN_BASE + i*32 + j);
-+			if (iodev) {
-+				vio_setup_cdev(&vio_devices[i*32 + j], i*32 + j);
-+				class_device_create(vio_class, NULL, MKDEV(major, i*32 + j), NULL,
-+					"vio%c%d", i + 'A', j);
-+			}
-+		}
-+
-+	platform_set_drvdata(dev, vio_devices);
-+
-+	return 0;
-+
-+fail:
-+	vio_remove(dev);
-+	return retval;
-+}
-+
-+static struct platform_device *vio_platform_device;
-+
-+static struct platform_driver vio_driver = {
-+	.probe 		= vio_probe,
-+	.remove		= vio_remove,
-+	.driver		= {
-+		.name	= "vio",
-+		.owner	= THIS_MODULE,
-+	},
-+};
-+
-+static int __init vio_init(void)
-+{
-+	int retval;
-+
-+	vio_platform_device = platform_device_register_simple("vio", -1, NULL, 0);
-+	if (IS_ERR(vio_platform_device)) {
-+		printk(KERN_WARNING "vio: device registration failed\n");
-+		return PTR_ERR(vio_platform_device);
-+	}
-+
-+	retval = platform_driver_register(&vio_driver);
-+	if (retval < 0) {
-+		printk(KERN_WARNING "vio: driver registration failed\n");
-+		platform_device_unregister(vio_platform_device);
-+	}
-+	
-+	return retval;
-+}
-+
-+static void __exit vio_exit(void)
-+{
-+	platform_driver_unregister(&vio_driver);
-+	platform_device_unregister(vio_platform_device);
-+}
-+
-+module_init(vio_init);
-+module_exit(vio_exit);
-+
-+MODULE_AUTHOR("Hamish Guthrie <hamish@prodigi.ch>");
-+MODULE_DESCRIPTION("FDL Versalink GPIO Driver");
-+MODULE_LICENSE("GPL");