#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/slab.h>
+#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
#include <linux/bitops.h>
static void sx_enable_tx_interrupts(void *ptr);
static void sx_disable_rx_interrupts(void *ptr);
static void sx_enable_rx_interrupts(void *ptr);
-static int sx_get_CD(void *ptr);
+static int sx_carrier_raised(struct tty_port *port);
static void sx_shutdown_port(void *ptr);
static int sx_set_real_termios(void *ptr);
static void sx_close(void *ptr);
static int sx_chars_in_buffer(void *ptr);
static int sx_init_board(struct sx_board *board);
static int sx_init_portstructs(int nboards, int nports);
-static int sx_fw_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg);
+static long sx_fw_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg);
static int sx_init_drivers(void);
static struct tty_driver *sx_driver;
sx_enable_tx_interrupts,
sx_disable_rx_interrupts,
sx_enable_rx_interrupts,
- sx_get_CD,
sx_shutdown_port,
sx_set_real_termios,
sx_chars_in_buffer,
static const struct file_operations sx_fw_fops = {
.owner = THIS_MODULE,
- .ioctl = sx_fw_ioctl,
+ .unlocked_ioctl = sx_fw_ioctl,
};
static struct miscdevice sx_fw_device = {
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "getsignals: %d/%d (%d/%d) "
"%02x/%02x\n",
(o_stat & OP_DTR) != 0, (o_stat & OP_RTS) != 0,
- port->c_dcd, sx_get_CD(port),
+ port->c_dcd, tty_port_carrier_raised(&port->gs.port),
sx_read_channel_byte(port, hi_ip),
sx_read_channel_byte(port, hi_state));
hi_state = sx_read_channel_byte(port, hi_state);
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "Checking modem signals (%d/%d)\n",
- port->c_dcd, sx_get_CD(port));
+ port->c_dcd, tty_port_carrier_raised(&port->gs.port));
if (hi_state & ST_BREAK) {
hi_state &= ~ST_BREAK;
hi_state &= ~ST_DCD;
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "got a DCD change.\n");
sx_write_channel_byte(port, hi_state, hi_state);
- c_dcd = sx_get_CD(port);
+ c_dcd = tty_port_carrier_raised(&port->gs.port);
sx_dprintk(SX_DEBUG_MODEMSIGNALS, "DCD is now %d\n", c_dcd);
if (c_dcd != port->c_dcd) {
port->c_dcd = c_dcd;
- if (sx_get_CD(port)) {
+ if (tty_port_carrier_raised(&port->gs.port)) {
/* DCD went UP */
if ((sx_read_channel_byte(port, hi_hstat) !=
HS_IDLE_CLOSED) &&
}
/* Jeez. Isn't this simple? */
-static int sx_get_CD(void *ptr)
+static int sx_carrier_raised(struct tty_port *port)
{
- struct sx_port *port = ptr;
- func_enter2();
-
- func_exit();
- return ((sx_read_channel_byte(port, hi_ip) & IP_DCD) != 0);
+ struct sx_port *sp = container_of(port, struct sx_port, gs.port);
+ return ((sx_read_channel_byte(sp, hi_ip) & IP_DCD) != 0);
}
/* Jeez. Isn't this simple? */
}
/* tty->low_latency = 1; */
- port->c_dcd = sx_get_CD(port);
+ port->c_dcd = sx_carrier_raised(&port->gs.port);
sx_dprintk(SX_DEBUG_OPEN, "at open: cd=%d\n", port->c_dcd);
func_exit();
}
#endif
-static int sx_fw_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long sx_fw_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg)
{
- int rc = 0;
+ long rc = 0;
int __user *descr = (int __user *)arg;
int i;
static struct sx_board *board = NULL;
func_enter();
-#if 0
- /* Removed superuser check: Sysops can use the permissions on the device
- file to restrict access. Recommendation: Root only. (root.root 600) */
- if (!capable(CAP_SYS_ADMIN)) {
+ if (!capable(CAP_SYS_RAWIO))
return -EPERM;
- }
-#endif
+
+ lock_kernel();
sx_dprintk(SX_DEBUG_FIRMWARE, "IOCTL %x: %lx\n", cmd, arg);
for (i = 0; i < SX_NBOARDS; i++)
sx_dprintk(SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags);
sx_dprintk(SX_DEBUG_FIRMWARE, "\n");
- return -EIO;
+ rc = -EIO;
+ goto out;
}
switch (cmd) {
case SXIO_SET_BOARD:
sx_dprintk(SX_DEBUG_FIRMWARE, "set board to %ld\n", arg);
+ rc = -EIO;
if (arg >= SX_NBOARDS)
- return -EIO;
+ break;
sx_dprintk(SX_DEBUG_FIRMWARE, "not out of range\n");
if (!(boards[arg].flags & SX_BOARD_PRESENT))
- return -EIO;
+ break;
sx_dprintk(SX_DEBUG_FIRMWARE, ".. and present!\n");
board = &boards[arg];
+ rc = 0;
+ /* FIXME: And this does ... nothing?? */
break;
case SXIO_GET_TYPE:
rc = -ENOENT; /* If we manage to miss one, return error. */
rc = SX_TYPE_SI;
if (IS_EISA_BOARD(board))
rc = SX_TYPE_SI;
- sx_dprintk(SX_DEBUG_FIRMWARE, "returning type= %d\n", rc);
+ sx_dprintk(SX_DEBUG_FIRMWARE, "returning type= %ld\n", rc);
break;
case SXIO_DO_RAMTEST:
- if (sx_initialized) /* Already initialized: better not ramtest the board. */
- return -EPERM;
+ if (sx_initialized) { /* Already initialized: better not ramtest the board. */
+ rc = -EPERM;
+ break;
+ }
if (IS_SX_BOARD(board)) {
rc = do_memtest(board, 0, 0x7000);
if (!rc)
rc = do_memtest(board, 0, 0x7ff8);
/* if (!rc) rc = do_memtest_w (board, 0, 0x7ff8); */
}
- sx_dprintk(SX_DEBUG_FIRMWARE, "returning memtest result= %d\n",
- rc);
+ sx_dprintk(SX_DEBUG_FIRMWARE,
+ "returning memtest result= %ld\n", rc);
break;
case SXIO_DOWNLOAD:
- if (sx_initialized) /* Already initialized */
- return -EEXIST;
- if (!sx_reset(board))
- return -EIO;
+ if (sx_initialized) {/* Already initialized */
+ rc = -EEXIST;
+ break;
+ }
+ if (!sx_reset(board)) {
+ rc = -EIO;
+ break;
+ }
sx_dprintk(SX_DEBUG_INIT, "reset the board...\n");
tmp = kmalloc(SX_CHUNK_SIZE, GFP_USER);
- if (!tmp)
- return -ENOMEM;
+ if (!tmp) {
+ rc = -ENOMEM;
+ break;
+ }
+ /* FIXME: check returns */
get_user(nbytes, descr++);
get_user(offset, descr++);
get_user(data, descr++);
(i + SX_CHUNK_SIZE > nbytes) ?
nbytes - i : SX_CHUNK_SIZE)) {
kfree(tmp);
- return -EFAULT;
+ rc = -EFAULT;
+ goto out;
}
memcpy_toio(board->base2 + offset + i, tmp,
(i + SX_CHUNK_SIZE > nbytes) ?
rc = sx_nports;
break;
case SXIO_INIT:
- if (sx_initialized) /* Already initialized */
- return -EEXIST;
+ if (sx_initialized) { /* Already initialized */
+ rc = -EEXIST;
+ break;
+ }
/* This is not allowed until all boards are initialized... */
for (i = 0; i < SX_NBOARDS; i++) {
if ((boards[i].flags & SX_BOARD_PRESENT) &&
- !(boards[i].flags & SX_BOARD_INITIALIZED))
- return -EIO;
+ !(boards[i].flags & SX_BOARD_INITIALIZED)) {
+ rc = -EIO;
+ break;
+ }
}
for (i = 0; i < SX_NBOARDS; i++)
if (!(boards[i].flags & SX_BOARD_PRESENT))
rc = sx_nports;
break;
default:
- printk(KERN_WARNING "Unknown ioctl on firmware device (%x).\n",
- cmd);
+ rc = -ENOTTY;
break;
}
+out:
+ unlock_kernel();
func_exit();
return rc;
}
static void sx_throttle(struct tty_struct *tty)
{
- struct sx_port *port = (struct sx_port *)tty->driver_data;
+ struct sx_port *port = tty->driver_data;
func_enter2();
/* If the port is using any type of input flow
static void sx_unthrottle(struct tty_struct *tty)
{
- struct sx_port *port = (struct sx_port *)tty->driver_data;
+ struct sx_port *port = tty->driver_data;
func_enter2();
/* Always unthrottle even if flow control is not enabled on
.tiocmset = sx_tiocmset,
};
+static const struct tty_port_operations sx_port_ops = {
+ .carrier_raised = sx_carrier_raised,
+};
+
static int sx_init_drivers(void)
{
int error;
for (j = 0; j < boards[i].nports; j++) {
sx_dprintk(SX_DEBUG_INIT, "initing port %d\n", j);
tty_port_init(&port->gs.port);
+ port->gs.port.ops = &sx_port_ops;
port->gs.magic = SX_MAGIC;
port->gs.close_delay = HZ / 2;
port->gs.closing_wait = 30 * HZ;
del_timer(&board->timer);
if (pdev) {
#ifdef CONFIG_PCI
- pci_iounmap(pdev, board->base);
+ iounmap(board->base2);
pci_release_region(pdev, IS_CF_BOARD(board) ? 3 : 2);
#endif
} else {
}
board->hw_base = pci_resource_start(pdev, reg);
board->base2 =
- board->base = pci_iomap(pdev, reg, WINDOW_LEN(board));
+ board->base = ioremap_nocache(board->hw_base, WINDOW_LEN(board));
if (!board->base) {
dev_err(&pdev->dev, "ioremap failed\n");
goto err_reg;
return 0;
err_unmap:
- pci_iounmap(pdev, board->base);
+ iounmap(board->base2);
err_reg:
pci_release_region(pdev, reg);
err_flag:
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