diff options
Diffstat (limited to 'drivers/misc/hdpuftrs/hdpu_nexus.c')
| -rw-r--r-- | drivers/misc/hdpuftrs/hdpu_nexus.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/misc/hdpuftrs/hdpu_nexus.c b/drivers/misc/hdpuftrs/hdpu_nexus.c deleted file mode 100644 index ce39fa54949..00000000000 --- a/drivers/misc/hdpuftrs/hdpu_nexus.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Sky Nexus Register Driver - * - * Copyright (C) 2002 Brian Waite - * - * This driver allows reading the Nexus register - * It exports the /proc/sky_chassis_id and also - * /proc/sky_slot_id pseudo-file for status information. - * - * 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. - * - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/proc_fs.h> -#include <linux/hdpu_features.h> -#include <linux/platform_device.h> -#include <linux/seq_file.h> -#include <asm/io.h> - -static int hdpu_nexus_probe(struct platform_device *pdev); -static int hdpu_nexus_remove(struct platform_device *pdev); -static int hdpu_slot_id_open(struct inode *inode, struct file *file); -static int hdpu_slot_id_read(struct seq_file *seq, void *offset); -static int hdpu_chassis_id_open(struct inode *inode, struct file *file); -static int hdpu_chassis_id_read(struct seq_file *seq, void *offset); - -static struct proc_dir_entry *hdpu_slot_id; -static struct proc_dir_entry *hdpu_chassis_id; -static int slot_id = -1; -static int chassis_id = -1; - -static const struct file_operations proc_slot_id = { - .open = hdpu_slot_id_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static const struct file_operations proc_chassis_id = { - .open = hdpu_chassis_id_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; - -static struct platform_driver hdpu_nexus_driver = { - .probe = hdpu_nexus_probe, - .remove = hdpu_nexus_remove, - .driver = { - .name = HDPU_NEXUS_NAME, - .owner = THIS_MODULE, - }, -}; - -static int hdpu_slot_id_open(struct inode *inode, struct file *file) -{ - return single_open(file, hdpu_slot_id_read, NULL); -} - -static int hdpu_slot_id_read(struct seq_file *seq, void *offset) -{ - seq_printf(seq, "%d\n", slot_id); - return 0; -} - -static int hdpu_chassis_id_open(struct inode *inode, struct file *file) -{ - return single_open(file, hdpu_chassis_id_read, NULL); -} - -static int hdpu_chassis_id_read(struct seq_file *seq, void *offset) -{ - seq_printf(seq, "%d\n", chassis_id); - return 0; -} - -static int hdpu_nexus_probe(struct platform_device *pdev) -{ - struct resource *res; - int *nexus_id_addr; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - printk(KERN_ERR "sky_nexus: " - "Invalid memory resource.\n"); - return -EINVAL; - } - nexus_id_addr = ioremap(res->start, - (unsigned long)(res->end - res->start)); - if (nexus_id_addr) { - slot_id = (*nexus_id_addr >> 8) & 0x1f; - chassis_id = *nexus_id_addr & 0xff; - iounmap(nexus_id_addr); - } else { - printk(KERN_ERR "sky_nexus: Could not map slot id\n"); - } - - hdpu_slot_id = proc_create("sky_slot_id", 0666, NULL, &proc_slot_id); - if (!hdpu_slot_id) { - printk(KERN_WARNING "sky_nexus: " - "Unable to create proc dir entry: sky_slot_id\n"); - } - - hdpu_chassis_id = proc_create("sky_chassis_id", 0666, NULL, - &proc_chassis_id); - if (!hdpu_chassis_id) - printk(KERN_WARNING "sky_nexus: " - "Unable to create proc dir entry: sky_chassis_id\n"); - - return 0; -} - -static int hdpu_nexus_remove(struct platform_device *pdev) -{ - slot_id = -1; - chassis_id = -1; - - remove_proc_entry("sky_slot_id", NULL); - remove_proc_entry("sky_chassis_id", NULL); - - hdpu_slot_id = 0; - hdpu_chassis_id = 0; - - return 0; -} - -static int __init nexus_init(void) -{ - return platform_driver_register(&hdpu_nexus_driver); -} - -static void __exit nexus_exit(void) -{ - platform_driver_unregister(&hdpu_nexus_driver); -} - -module_init(nexus_init); -module_exit(nexus_exit); - -MODULE_AUTHOR("Brian Waite"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" HDPU_NEXUS_NAME); |