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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/hid/hid-wiimote-debug.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/hid/hid-wiimote-debug.c')
-rw-r--r--ANDROID_3.4.5/drivers/hid/hid-wiimote-debug.c221
1 files changed, 0 insertions, 221 deletions
diff --git a/ANDROID_3.4.5/drivers/hid/hid-wiimote-debug.c b/ANDROID_3.4.5/drivers/hid/hid-wiimote-debug.c
deleted file mode 100644
index eec32919..00000000
--- a/ANDROID_3.4.5/drivers/hid/hid-wiimote-debug.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * Debug support for HID Nintendo Wiimote devices
- * Copyright (c) 2011 David Herrmann
- */
-
-/*
- * 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/debugfs.h>
-#include <linux/module.h>
-#include <linux/seq_file.h>
-#include <linux/spinlock.h>
-#include <linux/uaccess.h>
-#include "hid-wiimote.h"
-
-struct wiimote_debug {
- struct wiimote_data *wdata;
- struct dentry *eeprom;
- struct dentry *drm;
-};
-
-static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s,
- loff_t *off)
-{
- struct wiimote_debug *dbg = f->private_data;
- struct wiimote_data *wdata = dbg->wdata;
- unsigned long flags;
- ssize_t ret;
- char buf[16];
- __u16 size;
-
- if (s == 0)
- return -EINVAL;
- if (*off > 0xffffff)
- return 0;
- if (s > 16)
- s = 16;
-
- ret = wiimote_cmd_acquire(wdata);
- if (ret)
- return ret;
-
- spin_lock_irqsave(&wdata->state.lock, flags);
- wdata->state.cmd_read_size = s;
- wdata->state.cmd_read_buf = buf;
- wiimote_cmd_set(wdata, WIIPROTO_REQ_RMEM, *off & 0xffff);
- wiiproto_req_reeprom(wdata, *off, s);
- spin_unlock_irqrestore(&wdata->state.lock, flags);
-
- ret = wiimote_cmd_wait(wdata);
- if (!ret)
- size = wdata->state.cmd_read_size;
-
- spin_lock_irqsave(&wdata->state.lock, flags);
- wdata->state.cmd_read_buf = NULL;
- spin_unlock_irqrestore(&wdata->state.lock, flags);
-
- wiimote_cmd_release(wdata);
-
- if (ret)
- return ret;
- else if (size == 0)
- return -EIO;
-
- if (copy_to_user(u, buf, size))
- return -EFAULT;
-
- *off += size;
- ret = size;
-
- return ret;
-}
-
-static const struct file_operations wiidebug_eeprom_fops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = wiidebug_eeprom_read,
- .llseek = generic_file_llseek,
-};
-
-static const char *wiidebug_drmmap[] = {
- [WIIPROTO_REQ_NULL] = "NULL",
- [WIIPROTO_REQ_DRM_K] = "K",
- [WIIPROTO_REQ_DRM_KA] = "KA",
- [WIIPROTO_REQ_DRM_KE] = "KE",
- [WIIPROTO_REQ_DRM_KAI] = "KAI",
- [WIIPROTO_REQ_DRM_KEE] = "KEE",
- [WIIPROTO_REQ_DRM_KAE] = "KAE",
- [WIIPROTO_REQ_DRM_KIE] = "KIE",
- [WIIPROTO_REQ_DRM_KAIE] = "KAIE",
- [WIIPROTO_REQ_DRM_E] = "E",
- [WIIPROTO_REQ_DRM_SKAI1] = "SKAI1",
- [WIIPROTO_REQ_DRM_SKAI2] = "SKAI2",
- [WIIPROTO_REQ_MAX] = NULL
-};
-
-static int wiidebug_drm_show(struct seq_file *f, void *p)
-{
- struct wiimote_debug *dbg = f->private;
- const char *str = NULL;
- unsigned long flags;
- __u8 drm;
-
- spin_lock_irqsave(&dbg->wdata->state.lock, flags);
- drm = dbg->wdata->state.drm;
- spin_unlock_irqrestore(&dbg->wdata->state.lock, flags);
-
- if (drm < WIIPROTO_REQ_MAX)
- str = wiidebug_drmmap[drm];
- if (!str)
- str = "unknown";
-
- seq_printf(f, "%s\n", str);
-
- return 0;
-}
-
-static int wiidebug_drm_open(struct inode *i, struct file *f)
-{
- return single_open(f, wiidebug_drm_show, i->i_private);
-}
-
-static ssize_t wiidebug_drm_write(struct file *f, const char __user *u,
- size_t s, loff_t *off)
-{
- struct wiimote_debug *dbg = f->private_data;
- unsigned long flags;
- char buf[16];
- ssize_t len;
- int i;
-
- if (s == 0)
- return -EINVAL;
-
- len = min((size_t) 15, s);
- if (copy_from_user(buf, u, len))
- return -EFAULT;
-
- buf[15] = 0;
-
- for (i = 0; i < WIIPROTO_REQ_MAX; ++i) {
- if (!wiidebug_drmmap[i])
- continue;
- if (!strcasecmp(buf, wiidebug_drmmap[i]))
- break;
- }
-
- if (i == WIIPROTO_REQ_MAX)
- i = simple_strtoul(buf, NULL, 10);
-
- spin_lock_irqsave(&dbg->wdata->state.lock, flags);
- wiiproto_req_drm(dbg->wdata, (__u8) i);
- spin_unlock_irqrestore(&dbg->wdata->state.lock, flags);
-
- return len;
-}
-
-static const struct file_operations wiidebug_drm_fops = {
- .owner = THIS_MODULE,
- .open = wiidebug_drm_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = wiidebug_drm_write,
- .release = single_release,
-};
-
-int wiidebug_init(struct wiimote_data *wdata)
-{
- struct wiimote_debug *dbg;
- unsigned long flags;
- int ret = -ENOMEM;
-
- dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
- if (!dbg)
- return -ENOMEM;
-
- dbg->wdata = wdata;
-
- dbg->eeprom = debugfs_create_file("eeprom", S_IRUSR,
- dbg->wdata->hdev->debug_dir, dbg, &wiidebug_eeprom_fops);
- if (!dbg->eeprom)
- goto err;
-
- dbg->drm = debugfs_create_file("drm", S_IRUSR,
- dbg->wdata->hdev->debug_dir, dbg, &wiidebug_drm_fops);
- if (!dbg->drm)
- goto err_drm;
-
- spin_lock_irqsave(&wdata->state.lock, flags);
- wdata->debug = dbg;
- spin_unlock_irqrestore(&wdata->state.lock, flags);
-
- return 0;
-
-err_drm:
- debugfs_remove(dbg->eeprom);
-err:
- kfree(dbg);
- return ret;
-}
-
-void wiidebug_deinit(struct wiimote_data *wdata)
-{
- struct wiimote_debug *dbg = wdata->debug;
- unsigned long flags;
-
- if (!dbg)
- return;
-
- spin_lock_irqsave(&wdata->state.lock, flags);
- wdata->debug = NULL;
- spin_unlock_irqrestore(&wdata->state.lock, flags);
-
- debugfs_remove(dbg->drm);
- debugfs_remove(dbg->eeprom);
- kfree(dbg);
-}