staging: improved comment style in ft1000_debug.c
Replaced C99 style comments with C89 in "/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c". Signed-off-by: Katja Collier <katjacollier@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
7580d7feb4
commit
cbb3ae9998
1 changed files with 194 additions and 177 deletions
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@ -1,29 +1,31 @@
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//---------------------------------------------------------------------------
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// FT1000 driver for Flarion Flash OFDM NIC Device
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//
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// Copyright (C) 2006 Flarion Technologies, All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 of the License, or (at your option) any
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// later version. This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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// more details. You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place -
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// Suite 330, Boston, MA 02111-1307, USA.
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//---------------------------------------------------------------------------
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//
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// File: ft1000_chdev.c
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//
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// Description: Custom character device dispatch routines.
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//
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// History:
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// 8/29/02 Whc Ported to Linux.
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// 6/05/06 Whc Porting to Linux 2.6.9
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* FT1000 driver for Flarion Flash OFDM NIC Device
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*
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* Copyright (C) 2006 Flarion Technologies, All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option) any
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* later version. This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details. You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place -
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* Suite 330, Boston, MA 02111-1307, USA.
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*---------------------------------------------------------------------------
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*
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* File: ft1000_chdev.c
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*
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* Description: Custom character device dispatch routines.
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*
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* History:
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* 8/29/02 Whc Ported to Linux.
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* 6/05/06 Whc Porting to Linux 2.6.9
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*
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*---------------------------------------------------------------------------
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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@ -44,17 +46,17 @@ static long ft1000_ioctl(struct file *file, unsigned int command,
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unsigned long argument);
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static int ft1000_release (struct inode *inode, struct file *file);
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// List to free receive command buffer pool
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/* List to free receive command buffer pool */
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struct list_head freercvpool;
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// lock to arbitrate free buffer list for receive command data
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/* lock to arbitrate free buffer list for receive command data */
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spinlock_t free_buff_lock;
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int numofmsgbuf = 0;
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//
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// Table of entry-point routines for char device
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//
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/*
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* Table of entry-point routines for char device
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*/
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static const struct file_operations ft1000fops =
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{
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.unlocked_ioctl = ft1000_ioctl,
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@ -64,25 +66,27 @@ static const struct file_operations ft1000fops =
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.llseek = no_llseek,
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};
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//---------------------------------------------------------------------------
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// Function: ft1000_get_buffer
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//
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// Parameters:
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//
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// Returns:
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//
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// Description:
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//
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// Notes:
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//
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//---------------------------------------------------------------------------
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/*
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---------------------------------------------------------------------------
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* Function: ft1000_get_buffer
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*
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* Parameters:
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*
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* Returns:
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*
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* Description:
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*
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* Notes:
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*
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*---------------------------------------------------------------------------
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*/
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struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist)
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{
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unsigned long flags;
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struct dpram_blk *ptr;
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spin_lock_irqsave(&free_buff_lock, flags);
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// Check if buffer is available
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/* Check if buffer is available */
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if ( list_empty(bufflist) ) {
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DEBUG("ft1000_get_buffer: No more buffer - %d\n", numofmsgbuf);
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ptr = NULL;
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@ -91,7 +95,7 @@ struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist)
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numofmsgbuf--;
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ptr = list_entry(bufflist->next, struct dpram_blk, list);
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list_del(&ptr->list);
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//DEBUG("ft1000_get_buffer: number of free msg buffers = %d\n", numofmsgbuf);
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/* DEBUG("ft1000_get_buffer: number of free msg buffers = %d\n", numofmsgbuf); */
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}
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spin_unlock_irqrestore(&free_buff_lock, flags);
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@ -101,42 +105,46 @@ struct dpram_blk *ft1000_get_buffer(struct list_head *bufflist)
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//---------------------------------------------------------------------------
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// Function: ft1000_free_buffer
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//
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// Parameters:
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//
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// Returns:
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//
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// Description:
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//
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// Notes:
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* Function: ft1000_free_buffer
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*
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* Parameters:
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*
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* Returns:
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*
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* Description:
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*
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* Notes:
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*
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*---------------------------------------------------------------------------
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*/
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void ft1000_free_buffer(struct dpram_blk *pdpram_blk, struct list_head *plist)
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{
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unsigned long flags;
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spin_lock_irqsave(&free_buff_lock, flags);
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// Put memory back to list
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/* Put memory back to list */
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list_add_tail(&pdpram_blk->list, plist);
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numofmsgbuf++;
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//DEBUG("ft1000_free_buffer: number of free msg buffers = %d\n", numofmsgbuf);
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/*DEBUG("ft1000_free_buffer: number of free msg buffers = %d\n", numofmsgbuf); */
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spin_unlock_irqrestore(&free_buff_lock, flags);
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}
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//---------------------------------------------------------------------------
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// Function: ft1000_CreateDevice
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//
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// Parameters: dev - pointer to adapter object
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//
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// Returns: 0 if successful
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//
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// Description: Creates a private char device.
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//
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// Notes: Only called by init_module().
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* Function: ft1000_CreateDevice
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*
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* Parameters: dev - pointer to adapter object
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*
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* Returns: 0 if successful
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*
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* Description: Creates a private char device.
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*
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* Notes: Only called by init_module().
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*
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*---------------------------------------------------------------------------
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*/
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int ft1000_create_dev(struct ft1000_usb *dev)
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{
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int result;
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@ -144,7 +152,7 @@ int ft1000_create_dev(struct ft1000_usb *dev)
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struct dentry *dir, *file;
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struct ft1000_debug_dirs *tmp;
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// make a new device name
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/* make a new device name */
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sprintf(dev->DeviceName, "%s%d", "FT1000_", dev->CardNumber);
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DEBUG("%s: number of instance = %d\n", __func__, ft1000_flarion_cnt);
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@ -157,7 +165,7 @@ int ft1000_create_dev(struct ft1000_usb *dev)
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}
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// register the device
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/* register the device */
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DEBUG("%s: \"%s\" debugfs device registration\n", __func__, dev->DeviceName);
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tmp = kmalloc(sizeof(struct ft1000_debug_dirs), GFP_KERNEL);
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@ -186,7 +194,7 @@ int ft1000_create_dev(struct ft1000_usb *dev)
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DEBUG("%s: registered debugfs directory \"%s\"\n", __func__, dev->DeviceName);
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// initialize application information
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/* initialize application information */
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dev->appcnt = 0;
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for (i=0; i<MAX_NUM_APP; i++) {
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dev->app_info[i].nTxMsg = 0;
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@ -214,16 +222,18 @@ fail:
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return result;
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}
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//---------------------------------------------------------------------------
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// Function: ft1000_DestroyDeviceDEBUG
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//
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// Parameters: dev - pointer to adapter object
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//
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// Description: Destroys a private char device.
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//
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// Notes: Only called by cleanup_module().
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* Function: ft1000_DestroyDeviceDEBUG
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*
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* Parameters: dev - pointer to adapter object
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*
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* Description: Destroys a private char device.
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*
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* Notes: Only called by cleanup_module().
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*
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*---------------------------------------------------------------------------
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*/
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void ft1000_destroy_dev(struct net_device *netdev)
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{
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struct ft1000_info *info = netdev_priv(netdev);
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@ -253,7 +263,7 @@ void ft1000_destroy_dev(struct net_device *netdev)
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DEBUG("%s: unregistered device \"%s\"\n", __func__,
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dev->DeviceName);
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// Make sure we free any memory reserve for slow Queue
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/* Make sure we free any memory reserve for slow Queue */
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for (i=0; i<MAX_NUM_APP; i++) {
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while (list_empty(&dev->app_info[i].app_sqlist) == 0) {
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pdpram_blk = list_entry(dev->app_info[i].app_sqlist.next, struct dpram_blk, list);
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@ -264,7 +274,7 @@ void ft1000_destroy_dev(struct net_device *netdev)
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wake_up_interruptible(&dev->app_info[i].wait_dpram_msg);
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}
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// Remove buffer allocated for receive command data
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/* Remove buffer allocated for receive command data */
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if (ft1000_flarion_cnt == 0) {
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while (list_empty(&freercvpool) == 0) {
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ptr = list_entry(freercvpool.next, struct dpram_blk, list);
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@ -279,16 +289,18 @@ void ft1000_destroy_dev(struct net_device *netdev)
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}
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//---------------------------------------------------------------------------
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// Function: ft1000_open
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//
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// Parameters:
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//
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// Description:
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//
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// Notes:
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* Function: ft1000_open
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*
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* Parameters:
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*
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* Description:
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*
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* Notes:
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*
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*---------------------------------------------------------------------------
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*/
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static int ft1000_open (struct inode *inode, struct file *file)
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{
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struct ft1000_info *info;
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@ -303,20 +315,20 @@ static int ft1000_open (struct inode *inode, struct file *file)
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DEBUG("f_owner = %p number of application = %d\n", (&file->f_owner), dev->appcnt );
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// Check if maximum number of application exceeded
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/* Check if maximum number of application exceeded */
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if (dev->appcnt > MAX_NUM_APP) {
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DEBUG("Maximum number of application exceeded\n");
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return -EACCES;
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}
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// Search for available application info block
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/* Search for available application info block */
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for (i=0; i<MAX_NUM_APP; i++) {
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if ( (dev->app_info[i].fileobject == NULL) ) {
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break;
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}
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}
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// Fail due to lack of application info block
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/* Fail due to lack of application info block */
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if (i == MAX_NUM_APP) {
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DEBUG("Could not find an application info block\n");
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return -EACCES;
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@ -334,16 +346,18 @@ static int ft1000_open (struct inode *inode, struct file *file)
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}
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//---------------------------------------------------------------------------
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// Function: ft1000_poll_dev
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//
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// Parameters:
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//
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// Description:
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//
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// Notes:
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* Function: ft1000_poll_dev
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*
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* Parameters:
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*
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* Description:
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*
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* Notes:
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*
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*---------------------------------------------------------------------------
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*/
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static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
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{
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@ -352,21 +366,21 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
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struct ft1000_usb *dev = info->priv;
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int i;
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//DEBUG("ft1000_poll_dev called\n");
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/* DEBUG("ft1000_poll_dev called\n"); */
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if (ft1000_flarion_cnt == 0) {
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DEBUG("FT1000:ft1000_poll_dev called when ft1000_flarion_cnt is zero\n");
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return (-EBADF);
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}
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// Search for matching file object
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/* Search for matching file object */
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for (i=0; i<MAX_NUM_APP; i++) {
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if ( dev->app_info[i].fileobject == &file->f_owner) {
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//DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", dev->app_info[i].app_id);
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/* DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", dev->app_info[i].app_id); */
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break;
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}
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}
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// Could not find application info block
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/* Could not find application info block */
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if (i == MAX_NUM_APP) {
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DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n");
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return ( -EACCES );
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@ -378,21 +392,23 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
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}
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poll_wait (file, &dev->app_info[i].wait_dpram_msg, wait);
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//DEBUG("FT1000:ft1000_poll_dev:Polling for data from DSP\n");
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/* DEBUG("FT1000:ft1000_poll_dev:Polling for data from DSP\n"); */
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return (0);
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}
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//---------------------------------------------------------------------------
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// Function: ft1000_ioctl
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//
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// Parameters:
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//
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// Description:
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//
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// Notes:
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//
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//---------------------------------------------------------------------------
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/*
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*---------------------------------------------------------------------------
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* Function: ft1000_ioctl
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*
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* Parameters:
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*
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* Description:
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*
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* Notes:
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*
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*---------------------------------------------------------------------------
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*/
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static long ft1000_ioctl (struct file *file, unsigned int command,
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unsigned long argument)
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{
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@ -417,21 +433,21 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
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unsigned short ledStat=0;
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unsigned short conStat=0;
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//DEBUG("ft1000_ioctl called\n");
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/* DEBUG("ft1000_ioctl called\n"); */
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if (ft1000_flarion_cnt == 0) {
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DEBUG("FT1000:ft1000_ioctl called when ft1000_flarion_cnt is zero\n");
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return (-EBADF);
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}
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//DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument);
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/* DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument); */
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info = file->private_data;
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ft1000dev = info->priv;
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cmd = _IOC_NR(command);
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//DEBUG("FT1000:ft1000_ioctl:cmd = 0x%x\n", cmd);
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/* DEBUG("FT1000:ft1000_ioctl:cmd = 0x%x\n", cmd); */
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// process the command
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/* process the command */
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switch (cmd) {
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case IOCTL_REGISTER_CMD:
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DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_REGISTER called\n");
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@ -441,7 +457,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
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break;
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}
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if (tempword == DSPBCMSGID) {
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// Search for matching file object
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/* Search for matching file object */
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for (i=0; i<MAX_NUM_APP; i++) {
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if (ft1000dev->app_info[i].fileobject == &file->f_owner) {
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ft1000dev->app_info[i].DspBCMsgFlag = 1;
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@ -467,20 +483,20 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
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break;
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case IOCTL_CONNECT:
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// Connect Message
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/* Connect Message */
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DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_CONNECT\n");
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ConnectionMsg[79] = 0xfc;
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card_send_command(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c);
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break;
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case IOCTL_DISCONNECT:
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// Disconnect Message
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/* Disconnect Message */
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DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_DISCONNECT\n");
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ConnectionMsg[79] = 0xfd;
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card_send_command(ft1000dev, (unsigned short *)ConnectionMsg, 0x4c);
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break;
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case IOCTL_GET_DSP_STAT_CMD:
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//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DSP_STAT called\n");
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/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DSP_STAT called\n"); */
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memset(&get_stat_data, 0, sizeof(get_stat_data));
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memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ);
|
||||
memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ);
|
||||
|
|
@ -517,7 +533,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
case IOCTL_SET_DPRAM_CMD:
|
||||
{
|
||||
IOCTL_DPRAM_BLK *dpram_data = NULL;
|
||||
//IOCTL_DPRAM_COMMAND dpram_command;
|
||||
/* IOCTL_DPRAM_COMMAND dpram_command; */
|
||||
u16 qtype;
|
||||
u16 msgsz;
|
||||
struct pseudo_hdr *ppseudo_hdr;
|
||||
|
|
@ -526,7 +542,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
u16 app_index;
|
||||
u16 status;
|
||||
|
||||
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_SET_DPRAM called\n");
|
||||
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_SET_DPRAM called\n");*/
|
||||
|
||||
|
||||
if (ft1000_flarion_cnt == 0) {
|
||||
|
|
@ -545,12 +561,12 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
|
||||
if (info->CardReady) {
|
||||
|
||||
//DEBUG("FT1000:ft1000_ioctl: try to SET_DPRAM \n");
|
||||
/* DEBUG("FT1000:ft1000_ioctl: try to SET_DPRAM \n"); */
|
||||
|
||||
// Get the length field to see how many bytes to copy
|
||||
/* Get the length field to see how many bytes to copy */
|
||||
result = get_user(msgsz, (__u16 __user *)argp);
|
||||
msgsz = ntohs (msgsz);
|
||||
//DEBUG("FT1000:ft1000_ioctl: length of message = %d\n", msgsz);
|
||||
/* DEBUG("FT1000:ft1000_ioctl: length of message = %d\n", msgsz); */
|
||||
|
||||
if (msgsz > MAX_CMD_SQSIZE) {
|
||||
DEBUG("FT1000:ft1000_ioctl: bad message length = %d\n", msgsz);
|
||||
|
|
@ -568,7 +584,7 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
result = -EFAULT;
|
||||
}
|
||||
else {
|
||||
// Check if this message came from a registered application
|
||||
/* Check if this message came from a registered application */
|
||||
for (i=0; i<MAX_NUM_APP; i++) {
|
||||
if (ft1000dev->app_info[i].fileobject == &file->f_owner) {
|
||||
break;
|
||||
|
|
@ -582,28 +598,28 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
}
|
||||
app_index = i;
|
||||
|
||||
// Check message qtype type which is the lower byte within qos_class
|
||||
/* Check message qtype type which is the lower byte within qos_class */
|
||||
qtype = ntohs(dpram_data->pseudohdr.qos_class) & 0xff;
|
||||
//DEBUG("FT1000_ft1000_ioctl: qtype = %d\n", qtype);
|
||||
/* DEBUG("FT1000_ft1000_ioctl: qtype = %d\n", qtype); */
|
||||
if (qtype) {
|
||||
}
|
||||
else {
|
||||
// Put message into Slow Queue
|
||||
// Only put a message into the DPRAM if msg doorbell is available
|
||||
/* Put message into Slow Queue */
|
||||
/* Only put a message into the DPRAM if msg doorbell is available */
|
||||
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
|
||||
//DEBUG("FT1000_ft1000_ioctl: READ REGISTER tempword=%x\n", tempword);
|
||||
/* DEBUG("FT1000_ft1000_ioctl: READ REGISTER tempword=%x\n", tempword); */
|
||||
if (tempword & FT1000_DB_DPRAM_TX) {
|
||||
// Suspend for 2ms and try again due to DSP doorbell busy
|
||||
/* Suspend for 2ms and try again due to DSP doorbell busy */
|
||||
mdelay(2);
|
||||
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
|
||||
if (tempword & FT1000_DB_DPRAM_TX) {
|
||||
// Suspend for 1ms and try again due to DSP doorbell busy
|
||||
/* Suspend for 1ms and try again due to DSP doorbell busy */
|
||||
mdelay(1);
|
||||
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
|
||||
if (tempword & FT1000_DB_DPRAM_TX) {
|
||||
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
|
||||
if (tempword & FT1000_DB_DPRAM_TX) {
|
||||
// Suspend for 3ms and try again due to DSP doorbell busy
|
||||
/* Suspend for 3ms and try again due to DSP doorbell busy */
|
||||
mdelay(3);
|
||||
status = ft1000_read_register(ft1000dev, &tempword, FT1000_REG_DOORBELL);
|
||||
if (tempword & FT1000_DB_DPRAM_TX) {
|
||||
|
|
@ -617,11 +633,11 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
}
|
||||
}
|
||||
|
||||
//DEBUG("FT1000_ft1000_ioctl: finished reading register\n");
|
||||
/*DEBUG("FT1000_ft1000_ioctl: finished reading register\n"); */
|
||||
|
||||
// Make sure we are within the limits of the slow queue memory limitation
|
||||
/* Make sure we are within the limits of the slow queue memory limitation */
|
||||
if ( (msgsz < MAX_CMD_SQSIZE) && (msgsz > PSEUDOSZ) ) {
|
||||
// Need to put sequence number plus new checksum for message
|
||||
/* Need to put sequence number plus new checksum for message */
|
||||
pmsg = (u16 *)&dpram_data->pseudohdr;
|
||||
ppseudo_hdr = (struct pseudo_hdr *)pmsg;
|
||||
total_len = msgsz+2;
|
||||
|
|
@ -629,15 +645,15 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
total_len++;
|
||||
}
|
||||
|
||||
// Insert slow queue sequence number
|
||||
/* Insert slow queue sequence number */
|
||||
ppseudo_hdr->seq_num = info->squeseqnum++;
|
||||
ppseudo_hdr->portsrc = ft1000dev->app_info[app_index].app_id;
|
||||
// Calculate new checksum
|
||||
/* Calculate new checksum */
|
||||
ppseudo_hdr->checksum = *pmsg++;
|
||||
//DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
|
||||
/* DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); */
|
||||
for (i=1; i<7; i++) {
|
||||
ppseudo_hdr->checksum ^= *pmsg++;
|
||||
//DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum);
|
||||
/* DEBUG("checksum = 0x%x\n", ppseudo_hdr->checksum); */
|
||||
}
|
||||
pmsg++;
|
||||
ppseudo_hdr = (struct pseudo_hdr *)pmsg;
|
||||
|
|
@ -666,21 +682,21 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
IOCTL_DPRAM_BLK __user *pioctl_dpram;
|
||||
int msglen;
|
||||
|
||||
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n");
|
||||
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n"); */
|
||||
|
||||
if (ft1000_flarion_cnt == 0) {
|
||||
return (-EBADF);
|
||||
}
|
||||
|
||||
// Search for matching file object
|
||||
/* Search for matching file object */
|
||||
for (i=0; i<MAX_NUM_APP; i++) {
|
||||
if (ft1000dev->app_info[i].fileobject == &file->f_owner) {
|
||||
//DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id);
|
||||
/*DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Could not find application info block
|
||||
/* Could not find application info block */
|
||||
if (i == MAX_NUM_APP) {
|
||||
DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n");
|
||||
result = -EBADF;
|
||||
|
|
@ -690,30 +706,30 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
result = 0;
|
||||
pioctl_dpram = argp;
|
||||
if (list_empty(&ft1000dev->app_info[i].app_sqlist) == 0) {
|
||||
//DEBUG("FT1000:ft1000_ioctl:Message detected in slow queue\n");
|
||||
/* DEBUG("FT1000:ft1000_ioctl:Message detected in slow queue\n"); */
|
||||
spin_lock_irqsave(&free_buff_lock, flags);
|
||||
pdpram_blk = list_entry(ft1000dev->app_info[i].app_sqlist.next, struct dpram_blk, list);
|
||||
list_del(&pdpram_blk->list);
|
||||
ft1000dev->app_info[i].NumOfMsg--;
|
||||
//DEBUG("FT1000:ft1000_ioctl:NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg);
|
||||
/* DEBUG("FT1000:ft1000_ioctl:NumOfMsg for app %d = %d\n", i, ft1000dev->app_info[i].NumOfMsg); */
|
||||
spin_unlock_irqrestore(&free_buff_lock, flags);
|
||||
msglen = ntohs(*(u16 *)pdpram_blk->pbuffer) + PSEUDOSZ;
|
||||
result = get_user(msglen, &pioctl_dpram->total_len);
|
||||
if (result)
|
||||
break;
|
||||
msglen = htons(msglen);
|
||||
//DEBUG("FT1000:ft1000_ioctl:msg length = %x\n", msglen);
|
||||
/* DEBUG("FT1000:ft1000_ioctl:msg length = %x\n", msglen); */
|
||||
if(copy_to_user (&pioctl_dpram->pseudohdr, pdpram_blk->pbuffer, msglen))
|
||||
{
|
||||
DEBUG("FT1000:ft1000_ioctl: copy fault occurred\n");
|
||||
result = -EFAULT;
|
||||
break;
|
||||
result = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
ft1000_free_buffer(pdpram_blk, &freercvpool);
|
||||
result = msglen;
|
||||
}
|
||||
//DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM no message\n");
|
||||
/* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM no message\n"); */
|
||||
}
|
||||
break;
|
||||
|
||||
|
|
@ -726,16 +742,18 @@ static long ft1000_ioctl (struct file *file, unsigned int command,
|
|||
return result;
|
||||
}
|
||||
|
||||
//---------------------------------------------------------------------------
|
||||
// Function: ft1000_release
|
||||
//
|
||||
// Parameters:
|
||||
//
|
||||
// Description:
|
||||
//
|
||||
// Notes:
|
||||
//
|
||||
//---------------------------------------------------------------------------
|
||||
/*
|
||||
*---------------------------------------------------------------------------
|
||||
* Function: ft1000_release
|
||||
*
|
||||
* Parameters:
|
||||
*
|
||||
* Description:
|
||||
*
|
||||
* Notes:
|
||||
*
|
||||
*---------------------------------------------------------------------------
|
||||
*/
|
||||
static int ft1000_release (struct inode *inode, struct file *file)
|
||||
{
|
||||
struct ft1000_info *info;
|
||||
|
|
@ -755,10 +773,10 @@ static int ft1000_release (struct inode *inode, struct file *file)
|
|||
return (-EBADF);
|
||||
}
|
||||
|
||||
// Search for matching file object
|
||||
/* Search for matching file object */
|
||||
for (i=0; i<MAX_NUM_APP; i++) {
|
||||
if ( ft1000dev->app_info[i].fileobject == &file->f_owner) {
|
||||
//DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id);
|
||||
/* DEBUG("FT1000:ft1000_ioctl: Message is for AppId = %d\n", ft1000dev->app_info[i].app_id); */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -773,11 +791,10 @@ static int ft1000_release (struct inode *inode, struct file *file)
|
|||
ft1000_free_buffer(pdpram_blk, &freercvpool);
|
||||
}
|
||||
|
||||
// initialize application information
|
||||
/* initialize application information */
|
||||
ft1000dev->appcnt--;
|
||||
DEBUG("ft1000_chdev:%s:appcnt = %d\n", __FUNCTION__, ft1000dev->appcnt);
|
||||
ft1000dev->app_info[i].fileobject = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue