diff options
author | Claudio Mignanti <c.mignanti@gmail.com> | 2010-07-22 11:32:42 +0000 |
---|---|---|
committer | Claudio Mignanti <c.mignanti@gmail.com> | 2010-07-22 11:32:42 +0000 |
commit | 4ccd3d000ff75c645d92f5c5d7b0ab1fd91ceced (patch) | |
tree | 59a20da321860529ecc936e2bf1f7468a755950b /target/linux/at91/patches-2.6.25/003-gpio-driver.patch | |
parent | 2eb7eb9b04a2dd1edeac24c789c4f56d09a43e20 (diff) | |
download | upstream-4ccd3d000ff75c645d92f5c5d7b0ab1fd91ceced.tar.gz upstream-4ccd3d000ff75c645d92f5c5d7b0ab1fd91ceced.tar.bz2 upstream-4ccd3d000ff75c645d92f5c5d7b0ab1fd91ceced.zip |
[at91] general cleanup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22352 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/at91/patches-2.6.25/003-gpio-driver.patch')
-rw-r--r-- | target/linux/at91/patches-2.6.25/003-gpio-driver.patch | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/target/linux/at91/patches-2.6.25/003-gpio-driver.patch b/target/linux/at91/patches-2.6.25/003-gpio-driver.patch deleted file mode 100644 index 3968c6b2d5..0000000000 --- a/target/linux/at91/patches-2.6.25/003-gpio-driver.patch +++ /dev/null @@ -1,546 +0,0 @@ ---- a/arch/arm/mach-at91/board-vlink.c -+++ b/arch/arm/mach-at91/board-vlink.c -@@ -99,7 +99,7 @@ static struct at91_udc_data __initdata v - */ - - static struct at91_mmc_data __initdata vlink_mmc_data = { --// .det_pin = AT91_PIN_PB27, -+// .det_pin = AT91_PIN_PC10, - .slot_b = 0, - .wire4 = 1, - // .wp_pin = AT91_PIN_PA17, -@@ -136,6 +136,7 @@ static struct spi_board_info vlink_spi_d - - static void __init vlink_board_init(void) - { -+ int v100; - /* Serial */ - at91_add_device_serial(); - /* Ethernet */ -@@ -157,36 +158,66 @@ static void __init vlink_board_init(void - // at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ - at91_add_device_mmc(0, &vlink_mmc_data); - #endif -+ -+// Set VLink version PIN as an input with pull-up (V1.5 = GND) -+ at91_set_gpio_input(AT91_PIN_PC2, 1); -+ v100 = at91_get_gpio_value(AT91_PIN_PC2); -+ - /* LEDs */ - // at91_gpio_leds(vlink_leds, ARRAY_SIZE(vlink_leds)); - - /* Other LED's */ -- at91_set_gpio_output(AT91_PIN_PC7, 1); // LED FRONT AP1 -- at91_set_gpio_output(AT91_PIN_PC8, 1); // LED FRONT BP1 -- at91_set_gpio_output(AT91_PIN_PB14, 1); // LED BACK AP1 -- at91_set_gpio_output(AT91_PIN_PB15, 1); // LED BACK BP1 -- at91_set_gpio_output(AT91_PIN_PB16, 1); // LED BACK AP2 -- at91_set_gpio_output(AT91_PIN_PB17, 1); // LED BACK BP2 -+ at91_set_gpio_output(AT91_PIN_PC7, 1); // LED FRONT AP1 -+ at91_set_gpio_output(AT91_PIN_PC8, 1); // LED FRONT BP1 -+ at91_set_gpio_output(AT91_PIN_PB14, 1); // LED BACK AP1 -+ at91_set_gpio_output(AT91_PIN_PB15, 1); // LED BACK BP1 -+ at91_set_gpio_output(AT91_PIN_PB16, 1); // LED BACK AP2 -+ at91_set_gpio_output(AT91_PIN_PB17, 1); // LED BACK BP2 -+ -+/* Test jig presence detection */ -+ at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT - - /* SIM Cards */ -- at91_set_gpio_output(AT91_PIN_PB9, 1); // ENBSC3 -- at91_set_gpio_output(AT91_PIN_PB10, 1); // ENBSC2 -- at91_set_gpio_output(AT91_PIN_PB11, 1); // ENBSC1 -+ if (at91_get_gpio_value(AT91_PIN_PB8)) { -+ at91_set_gpio_output(AT91_PIN_PB11, 0); -+ if (v100) -+ at91_set_gpio_output(AT91_PIN_PB9, 1); -+ else -+ at91_set_gpio_output(AT91_PIN_PC13, 1); -+ } else { -+ at91_set_gpio_output(AT91_PIN_PB11, 1); -+ if (v100) -+ at91_set_gpio_output(AT91_PIN_PB9, 0); -+ else -+ at91_set_gpio_output(AT91_PIN_PC13, 0); -+ } - --/* GSM Module Control */ -- at91_set_gpio_output(AT91_PIN_PB12, 1); // GSMONOFF -+ at91_set_gpio_output(AT91_PIN_PB10, 1); // ENBSC2 - --/* Test jig presence detection */ -- at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT -+/* GSM Module Control */ -+ at91_set_gpio_output(AT91_PIN_PB12, 1); // GSMONOFF - - /* Power indicator */ -- at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND -+ at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND - - /* USB Device control */ -- at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX -- at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP -- at91_set_multi_drive(AT91_PIN_PB28, 1); // Set to multi-drive -- -+ at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX -+ at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP -+ at91_set_multi_drive(AT91_PIN_PB28, 1); // Set to multi-drive -+ -+/* USB Power controls */ -+ -+ if (v100) -+ { // V100 -+ at91_set_gpio_input (AT91_PIN_PC12, 1); // SD Card present -+ } -+ else -+ { // DO special things for V1.5 -+ at91_set_gpio_output(AT91_PIN_PB9 , 0); // USB suspend -+ at91_set_gpio_input (AT91_PIN_PC10, 1); // SD Card present -+ at91_set_gpio_output(AT91_PIN_PC11, 0); // USB Vin CTRL for modules onboard -+ at91_set_gpio_output(AT91_PIN_PC12, 0); // SIM control -+ } - } - - MACHINE_START(VLINK, "FDL VersaLink") ---- a/arch/arm/mach-at91/gpio.c -+++ b/arch/arm/mach-at91/gpio.c -@@ -29,6 +29,7 @@ - - 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 ---- a/drivers/char/Kconfig -+++ b/drivers/char/Kconfig -@@ -1072,5 +1072,12 @@ 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 - ---- a/drivers/char/Makefile -+++ b/drivers/char/Makefile -@@ -100,6 +100,7 @@ obj-$(CONFIG_GPIO_TB0219) += tb0219.o - obj-$(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_MWAVE) += mwave/ - obj-$(CONFIG_AGP) += agp/ ---- /dev/null -+++ b/drivers/char/vlink_giu.c -@@ -0,0 +1,333 @@ -+/* -+ * 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; -+ -+#define MAX_VIO_NAMES 24 -+typedef struct -+{ -+ char port; -+ char pin; -+ char name100[10]; -+ char name150[10]; -+} VIO_NAMES; -+ -+VIO_NAMES VioName[MAX_VIO_NAMES] = -+{ // Port, Pin, V100, V150 -+ {'A',19,"port1DTR" ,"port1DTR"}, -+ {'A',24,"port2DTR" ,"port2DTR"}, -+ {'B',8, "jigOn" ,"jigOn"} , -+ {'B',9, "enbSC3" ,"usbSUSPND"}, -+ {'B',10,"enbSC2" ,"enbSC2"}, -+ {'B',11,"enbSC1" ,"enbSC1"}, -+ {'B',12,"gsmONOFF" ,"gsmONOFF"}, -+ {'B',14,"ledBAP1" ,"ledBAP1"}, -+ {'B',15,"ledBBP1" ,"ledBBP1"}, -+ {'B',16,"ledBAP2" ,"ledBAP2"}, -+ {'B',17,"ledBBP2" ,"ledBBP2"}, -+ {'B',27,"udpCNX" ,"udpCNX"}, -+ {'B',28,"udpPUP" ,"udpPUP"}, -+ {'B',29,"port2DCD" ,"port2DCD"}, -+ {'C',2, "vlVer100" ,"vlVer150"}, -+ {'C',7, "ledFAP1" ,"ledFAP1"}, -+ {'C',8, "ledFBP1" ,"ledFBP1"}, -+ {'C',10,"vioC10" ,"sdCardON"}, -+ {'C',11,"vioC11" ,"vusbCTRL"}, -+ {'C',12,"sdCardON" ,"simCTRL"}, -+ {'C',13,"vioC13" ,"enbSC3"}, -+ {'C',14,"ledFBP2" ,"ledFBP2"}, -+ {'C',15,"ledFAP2" ,"ledFAP2"}, -+ {0,0,"",""} -+}; -+ -+/* -+{'B',18,"gsmRIO" ,"gsmRIO"}, -+{'B',20,"gsmTX" ,"gsmTX"}, -+{'B',21,"gsmRX" ,"gsmRX"}, -+{'B',22,"gsmPIND" ,"gsmPIND"}, -+{'B',23,"gsmDCD" ,"gsmDCD"}, -+{'B',24,"gsmCTS" ,"gsmCTS"}, -+{'B',25,"gsmDSR" ,"gsmDSR"}, -+{'B',26,"gsmRTS" ,"gsmRTS"}, -+*/ -+static void lookupPINName(char version100, char *devName, char port, char pin); -+// EOF KWJ + AJE -+ -+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; -+ char devName[30]; -+ int vlinkV100; -+ -+ 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); -+ } -+ -+ vlinkV100 = at91_get_gpio_value(AT91_PIN_PC2); // Denotes V1.5 if GND -+ -+ 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); -+ // Lookup name of vio to create -+ lookupPINName(vlinkV100, devName, i, j); -+ class_device_create(vio_class, NULL, MKDEV(major, i*32 + j), NULL, devName); -+ } -+ } -+ -+ platform_set_drvdata(dev, vio_devices); -+ -+ return 0; -+ -+fail: -+ vio_remove(dev); -+ return retval; -+} -+ -+static void lookupPINName(char version100, char *devName, char port, char pin) -+{ -+ int i = -1; -+ char found = 0; -+ while (!found) -+ { -+ i++; -+ if (i >= MAX_VIO_NAMES) -+ break; -+ if (VioName[i].port == port+'A' && VioName[i].pin == pin) -+ { -+ printk(KERN_ERR "vio++: %c%d=%s\n",VioName[i].port,VioName[i].pin,VioName[i].name150); -+ if (version100) -+ strcpy(devName, VioName[i].name100); -+ else -+ strcpy(devName, VioName[i].name150); -+ found = 1; -+ } -+ } -+ if (!found) -+ sprintf(devName, "vio%c%d", port + 'A', pin); -+} -+ -+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"); ---- a/include/asm-arm/arch-at91/gpio.h -+++ b/include/asm-arm/arch-at91/gpio.h -@@ -199,6 +199,7 @@ extern int __init_or_module at91_set_mul - /* callable at any time */ - extern int at91_set_gpio_value(unsigned pin, int value); - extern int at91_get_gpio_value(unsigned pin); -+extern int at91_is_pin_gpio(unsigned pin); - - /* callable only from core power-management code */ - extern void at91_gpio_suspend(void); |