#include <linux/sched.h>
#include "dgnc_driver.h"
#include "dgnc_pci.h"
-#include "dgnc_mgmt.h"
#include "dgnc_tty.h"
#include "dgnc_cls.h"
#include "dgnc_neo.h"
MODULE_DESCRIPTION("Driver for the Digi International Neo and Classic PCI based product line");
MODULE_SUPPORTED_DEVICE("dgnc");
-static const struct file_operations dgnc_board_fops = {
- .owner = THIS_MODULE,
- .unlocked_ioctl = dgnc_mgmt_ioctl,
- .open = dgnc_mgmt_open,
- .release = dgnc_mgmt_close
-};
-
uint dgnc_num_boards;
struct dgnc_board *dgnc_board[MAXBOARDS];
DEFINE_SPINLOCK(dgnc_global_lock);
DEFINE_SPINLOCK(dgnc_poll_lock); /* Poll scheduling lock */
-uint dgnc_major;
int dgnc_poll_tick = 20; /* Poll interval - 20 ms */
-static struct class *dgnc_class;
-
static ulong dgnc_poll_time; /* Time of next poll */
static uint dgnc_poll_stop; /* Used to tell poller to stop */
static struct timer_list dgnc_poll_timer;
static int dgnc_start(void)
{
- int rc = 0;
unsigned long flags;
- struct device *dev;
-
- rc = register_chrdev(0, "dgnc", &dgnc_board_fops);
- if (rc < 0) {
- pr_err(DRVSTR ": Can't register dgnc driver device (%d)\n", rc);
- return rc;
- }
- dgnc_major = rc;
-
- dgnc_class = class_create(THIS_MODULE, "dgnc_mgmt");
- if (IS_ERR(dgnc_class)) {
- rc = PTR_ERR(dgnc_class);
- pr_err(DRVSTR ": Can't create dgnc_mgmt class (%d)\n", rc);
- goto failed_class;
- }
-
- dev = device_create(dgnc_class, NULL,
- MKDEV(dgnc_major, 0),
- NULL, "dgnc_mgmt");
- if (IS_ERR(dev)) {
- rc = PTR_ERR(dev);
- pr_err(DRVSTR ": Can't create device (%d)\n", rc);
- goto failed_device;
- }
/* Start the poller */
spin_lock_irqsave(&dgnc_poll_lock, flags);
add_timer(&dgnc_poll_timer);
return 0;
-
-failed_device:
- class_destroy(dgnc_class);
-failed_class:
- unregister_chrdev(dgnc_major, "dgnc");
-
- return rc;
}
/* Free all the memory associated with a board */
/* Turn off poller right away. */
del_timer_sync(&dgnc_poll_timer);
- device_destroy(dgnc_class, MKDEV(dgnc_major, 0));
- class_destroy(dgnc_class);
- unregister_chrdev(dgnc_major, "dgnc");
-
for (i = 0; i < dgnc_num_boards; ++i) {
dgnc_cleanup_tty(dgnc_board[i]);
dgnc_cleanup_board(dgnc_board[i]);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2003 Digi International (www.digi.com)
- * Scott H Kilau <Scott_Kilau at digi dot com>
- */
-
-/*
- * 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;
-}
#define DIGI_SETA (('e' << 8) | 95) /* Set params */
#define DIGI_SETAW (('e' << 8) | 96) /* Drain & set params */
#define DIGI_SETAF (('e' << 8) | 97) /* Drain, flush & set params */
-#define DIGI_GET_NI_INFO (('d' << 8) | 250) /* Non-intelligent state info */
#define DIGI_LOOPBACK (('d' << 8) | 252) /* Enable/disable UART
* internal loopback
*/
char digi_term[DIGI_TSIZ];
};
-/**
- * struct digi_dinfo - Driver status information.
- * @dinfo_nboards: Number of boards configured.
- * @dinfo_reserved: Not used, for future expansion.
- * @dinfio_version: Driver version.
- */
-struct digi_dinfo {
- unsigned int dinfo_nboards;
- char dinfo_reserved[12];
- char dinfo_version[16];
-};
-
-#define DIGI_GETDD (('d' << 8) | 248) /* get driver info */
-
-/**
- * struct digi_info - Ioctl commands for per board information.
- *
- * Physsize and memsize differ when board has "windowed" memory.
- *
- * @info_bdnum: Board number (0 based).
- * @info_ioport: IO port address.
- * @indo_physaddr: Memory address.
- * @info_physize: Size of host memory window.
- * @info_memsize: Amount of dual-port memory on board.
- * @info_bdtype: Board type.
- * @info_nports: Number of ports.
- * @info_bdstate: Board state.
- * @info_reserved: Not used, for future expansion.
- */
-struct digi_info {
- unsigned int info_bdnum;
- unsigned int info_ioport;
- unsigned int info_physaddr;
- unsigned int info_physsize;
- unsigned int info_memsize;
- unsigned short info_bdtype;
- unsigned short info_nports;
- char info_bdstate;
- char info_reserved[7];
-};
-
-#define DIGI_GETBD (('d' << 8) | 249) /* get board info */
-
/**
* struct digi_getbuffer - Holds buffer use counts.
*/
git.samba.org / sfrench / cifs-2.6.git / commitdiff