diff options
Diffstat (limited to 'drivers/staging/dgnc/dgnc_mgmt.c')
| -rw-r--r-- | drivers/staging/dgnc/dgnc_mgmt.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/drivers/staging/dgnc/dgnc_mgmt.c b/drivers/staging/dgnc/dgnc_mgmt.c deleted file mode 100644 index 3ca473b47daf..000000000000 --- a/drivers/staging/dgnc/dgnc_mgmt.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * Copyright 2003 Digi International (www.digi.com) - * Scott H Kilau <Scott_Kilau at digi dot com> - * - * 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, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - */ - -/* - * This file implements the mgmt functionality for the - * Neo and ClassicBoard based product lines. - */ - -#include <linux/kernel.h> -#include <linux/ctype.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/serial_reg.h> -#include <linux/termios.h> -#include <linux/uaccess.h> - -#include "dgnc_driver.h" -#include "dgnc_pci.h" -#include "dgnc_mgmt.h" - -/* Our "in use" variables, to enforce 1 open only */ -static int dgnc_mgmt_in_use[MAXMGMTDEVICES]; - -/** - * dgnc_mgmt_open() - Open the mgmt/downld/dpa device. - */ -int dgnc_mgmt_open(struct inode *inode, struct file *file) -{ - unsigned long flags; - unsigned int minor = iminor(inode); - int rc = 0; - - spin_lock_irqsave(&dgnc_global_lock, flags); - - if (minor >= MAXMGMTDEVICES) { - rc = -ENXIO; - goto out; - } - /* Only allow 1 open at a time on mgmt device */ - if (dgnc_mgmt_in_use[minor]) { - rc = -EBUSY; - goto out; - } - dgnc_mgmt_in_use[minor]++; - -out: - spin_unlock_irqrestore(&dgnc_global_lock, flags); - - return rc; -} - -/** - * dgnc_mgmt_close() - Close the mgmt/dpa device - */ -int dgnc_mgmt_close(struct inode *inode, struct file *file) -{ - unsigned long flags; - unsigned int minor = iminor(inode); - int rc = 0; - - spin_lock_irqsave(&dgnc_global_lock, flags); - - if (minor >= MAXMGMTDEVICES) { - rc = -ENXIO; - goto out; - } - dgnc_mgmt_in_use[minor] = 0; - -out: - spin_unlock_irqrestore(&dgnc_global_lock, flags); - - return rc; -} - -/** - * dgnc_mgmt_ioctl() - Ioctl the mgmt/dpa device. - */ -long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - unsigned long flags; - void __user *uarg = (void __user *)arg; - - switch (cmd) { - case DIGI_GETDD: - { - /* - * This returns the total number of boards - * in the system, as well as driver version - * and has space for a reserved entry - */ - struct digi_dinfo ddi; - - spin_lock_irqsave(&dgnc_global_lock, flags); - - memset(&ddi, 0, sizeof(ddi)); - ddi.dinfo_nboards = dgnc_num_boards; - sprintf(ddi.dinfo_version, "%s", DG_PART); - - spin_unlock_irqrestore(&dgnc_global_lock, flags); - - if (copy_to_user(uarg, &ddi, sizeof(ddi))) - return -EFAULT; - - break; - } - - case DIGI_GETBD: - { - int brd; - - struct digi_info di; - - if (copy_from_user(&brd, uarg, sizeof(int))) - return -EFAULT; - - if (brd < 0 || brd >= dgnc_num_boards) - return -ENODEV; - - memset(&di, 0, sizeof(di)); - - di.info_bdnum = brd; - - spin_lock_irqsave(&dgnc_board[brd]->bd_lock, flags); - - di.info_bdtype = dgnc_board[brd]->dpatype; - di.info_bdstate = dgnc_board[brd]->dpastatus; - di.info_ioport = 0; - di.info_physaddr = (ulong)dgnc_board[brd]->membase; - di.info_physsize = (ulong)dgnc_board[brd]->membase - - dgnc_board[brd]->membase_end; - if (dgnc_board[brd]->state != BOARD_FAILED) - di.info_nports = dgnc_board[brd]->nasync; - else - di.info_nports = 0; - - spin_unlock_irqrestore(&dgnc_board[brd]->bd_lock, flags); - - if (copy_to_user(uarg, &di, sizeof(di))) - return -EFAULT; - - break; - } - - case DIGI_GET_NI_INFO: - { - struct channel_t *ch; - struct ni_info ni; - unsigned char mstat = 0; - uint board = 0; - uint channel = 0; - - if (copy_from_user(&ni, uarg, sizeof(ni))) - return -EFAULT; - - board = ni.board; - channel = ni.channel; - - if (board >= dgnc_num_boards) - return -ENODEV; - - if (channel >= dgnc_board[board]->nasync) - return -ENODEV; - - ch = dgnc_board[board]->channels[channel]; - - if (!ch) - return -ENODEV; - - memset(&ni, 0, sizeof(ni)); - ni.board = board; - ni.channel = channel; - - spin_lock_irqsave(&ch->ch_lock, flags); - - mstat = ch->ch_mostat | ch->ch_mistat; - - if (mstat & UART_MCR_DTR) { - ni.mstat |= TIOCM_DTR; - ni.dtr = TIOCM_DTR; - } - if (mstat & UART_MCR_RTS) { - ni.mstat |= TIOCM_RTS; - ni.rts = TIOCM_RTS; - } - if (mstat & UART_MSR_CTS) { - ni.mstat |= TIOCM_CTS; - ni.cts = TIOCM_CTS; - } - if (mstat & UART_MSR_RI) { - ni.mstat |= TIOCM_RI; - ni.ri = TIOCM_RI; - } - if (mstat & UART_MSR_DCD) { - ni.mstat |= TIOCM_CD; - ni.dcd = TIOCM_CD; - } - if (mstat & UART_MSR_DSR) - ni.mstat |= TIOCM_DSR; - - ni.iflag = ch->ch_c_iflag; - ni.oflag = ch->ch_c_oflag; - ni.cflag = ch->ch_c_cflag; - ni.lflag = ch->ch_c_lflag; - - if (ch->ch_digi.digi_flags & CTSPACE || - ch->ch_c_cflag & CRTSCTS) - ni.hflow = 1; - else - ni.hflow = 0; - - if ((ch->ch_flags & CH_STOPI) || - (ch->ch_flags & CH_FORCED_STOPI)) - ni.recv_stopped = 1; - else - ni.recv_stopped = 0; - - if ((ch->ch_flags & CH_STOP) || (ch->ch_flags & CH_FORCED_STOP)) - ni.xmit_stopped = 1; - else - ni.xmit_stopped = 0; - - ni.curtx = ch->ch_txcount; - ni.currx = ch->ch_rxcount; - - ni.baud = ch->ch_old_baud; - - spin_unlock_irqrestore(&ch->ch_lock, flags); - - if (copy_to_user(uarg, &ni, sizeof(ni))) - return -EFAULT; - - break; - } - } - return 0; -} |