aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm-2.4/files/arch/mips/bcm947xx/gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm-2.4/files/arch/mips/bcm947xx/gpio.c')
-rw-r--r--target/linux/brcm-2.4/files/arch/mips/bcm947xx/gpio.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/gpio.c b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/gpio.c
deleted file mode 100644
index a0aba5d2a7..0000000000
--- a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/gpio.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * GPIO char driver
- *
- * Copyright 2005, Broadcom Corporation
- * All Rights Reserved.
- *
- * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
- * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
- * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
- *
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/miscdevice.h>
-#include <asm/uaccess.h>
-
-#include <typedefs.h>
-#include <osl.h>
-#include <sbutils.h>
-#include <bcmdevs.h>
-
-static sb_t *gpio_sbh;
-static int gpio_major;
-static devfs_handle_t gpio_dir;
-static struct {
- char *name;
- devfs_handle_t handle;
-} gpio_file[] = {
- { "in", NULL },
- { "out", NULL },
- { "outen", NULL },
- { "control", NULL }
-};
-
-static int
-gpio_open(struct inode *inode, struct file * file)
-{
- if (MINOR(inode->i_rdev) > ARRAYSIZE(gpio_file))
- return -ENODEV;
-
- MOD_INC_USE_COUNT;
- return 0;
-}
-
-static int
-gpio_release(struct inode *inode, struct file * file)
-{
- MOD_DEC_USE_COUNT;
- return 0;
-}
-
-static ssize_t
-gpio_read(struct file *file, char *buf, size_t count, loff_t *ppos)
-{
- u32 val;
-
- switch (MINOR(file->f_dentry->d_inode->i_rdev)) {
- case 0:
- val = sb_gpioin(gpio_sbh);
- break;
- case 1:
- val = sb_gpioout(gpio_sbh, 0, 0, GPIO_DRV_PRIORITY);
- break;
- case 2:
- val = sb_gpioouten(gpio_sbh, 0, 0, GPIO_DRV_PRIORITY);
- break;
- case 3:
- val = sb_gpiocontrol(gpio_sbh, 0, 0, GPIO_DRV_PRIORITY);
- break;
- default:
- return -ENODEV;
- }
-
- if (put_user(val, (u32 *) buf))
- return -EFAULT;
-
- return sizeof(val);
-}
-
-static ssize_t
-gpio_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
-{
- u32 val;
-
- if (get_user(val, (u32 *) buf))
- return -EFAULT;
-
- switch (MINOR(file->f_dentry->d_inode->i_rdev)) {
- case 0:
- return -EACCES;
- case 1:
- sb_gpioout(gpio_sbh, ~0, val, GPIO_DRV_PRIORITY);
- break;
- case 2:
- sb_gpioouten(gpio_sbh, ~0, val, GPIO_DRV_PRIORITY);
- break;
- case 3:
- sb_gpiocontrol(gpio_sbh, ~0, val, GPIO_DRV_PRIORITY);
- break;
- default:
- return -ENODEV;
- }
-
- return sizeof(val);
-}
-
-static struct file_operations gpio_fops = {
- owner: THIS_MODULE,
- open: gpio_open,
- release: gpio_release,
- read: gpio_read,
- write: gpio_write,
-};
-
-static int __init
-gpio_init(void)
-{
- int i;
-
- if (!(gpio_sbh = sb_kattach(SB_OSH)))
- return -ENODEV;
-
- sb_gpiosetcore(gpio_sbh);
-
- if ((gpio_major = devfs_register_chrdev(0, "gpio", &gpio_fops)) < 0)
- return gpio_major;
-
- gpio_dir = devfs_mk_dir(NULL, "gpio", NULL);
-
- for (i = 0; i < ARRAYSIZE(gpio_file); i++) {
- gpio_file[i].handle = devfs_register(gpio_dir,
- gpio_file[i].name,
- DEVFS_FL_DEFAULT, gpio_major, i,
- S_IFCHR | S_IRUGO | S_IWUGO,
- &gpio_fops, NULL);
- }
-
- return 0;
-}
-
-static void __exit
-gpio_exit(void)
-{
- int i;
-
- for (i = 0; i < ARRAYSIZE(gpio_file); i++)
- devfs_unregister(gpio_file[i].handle);
- devfs_unregister(gpio_dir);
- devfs_unregister_chrdev(gpio_major, "gpio");
- sb_detach(gpio_sbh);
-}
-
-module_init(gpio_init);
-module_exit(gpio_exit);