*/
#define SERIAL_DO_RESTART
#include <linux/module.h>
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/signal.h>
-#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/spinlock.h>
-#include <linux/kobject.h>
+#include <linux/kref.h>
#include <linux/firmware.h>
#include <linux/bitops.h>
#include <asm/system.h>
-#include <asm/segment.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#define ICOM_VERSION_STR "1.3.1"
#define NR_PORTS 128
#define ICOM_PORT ((struct icom_port *)port)
-#define to_icom_adapter(d) container_of(d, struct icom_adapter, kobj)
+#define to_icom_adapter(d) container_of(d, struct icom_adapter, kref)
static const struct pci_device_id icom_pci_table[] = {
{
- .vendor = PCI_VENDOR_ID_IBM,
- .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_1,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- .driver_data = ADAPTER_V1,
- },
+ .vendor = PCI_VENDOR_ID_IBM,
+ .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_1,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = ADAPTER_V1,
+ },
{
- .vendor = PCI_VENDOR_ID_IBM,
- .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
- .subvendor = PCI_VENDOR_ID_IBM,
- .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_TWO_PORTS_RVX,
- .driver_data = ADAPTER_V2,
- },
+ .vendor = PCI_VENDOR_ID_IBM,
+ .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
+ .subvendor = PCI_VENDOR_ID_IBM,
+ .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_TWO_PORTS_RVX,
+ .driver_data = ADAPTER_V2,
+ },
{
- .vendor = PCI_VENDOR_ID_IBM,
- .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
- .subvendor = PCI_VENDOR_ID_IBM,
- .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM,
- .driver_data = ADAPTER_V2,
- },
+ .vendor = PCI_VENDOR_ID_IBM,
+ .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
+ .subvendor = PCI_VENDOR_ID_IBM,
+ .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM,
+ .driver_data = ADAPTER_V2,
+ },
{
- .vendor = PCI_VENDOR_ID_IBM,
- .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
- .subvendor = PCI_VENDOR_ID_IBM,
- .subdevice = PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL,
- .driver_data = ADAPTER_V2,
- },
+ .vendor = PCI_VENDOR_ID_IBM,
+ .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
+ .subvendor = PCI_VENDOR_ID_IBM,
+ .subdevice = PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL,
+ .driver_data = ADAPTER_V2,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_IBM,
+ .device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
+ .subvendor = PCI_VENDOR_ID_IBM,
+ .subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM_PCIE,
+ .driver_data = ADAPTER_V2,
+ },
{}
};
#else
static inline void trace(struct icom_port *icom_port, char *trace_pt, unsigned long trace_data) {};
#endif
+static void icom_kref_release(struct kref *kref);
static void free_port_memory(struct icom_port *icom_port)
{
}
}
-static int __init get_port_memory(struct icom_port *icom_port)
+static int __devinit get_port_memory(struct icom_port *icom_port)
{
int index;
unsigned long stgAddr;
static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
{
short int count, rcv_buff;
- struct tty_struct *tty = icom_port->uart_port.info->tty;
+ struct tty_struct *tty = icom_port->uart_port.info->port.tty;
unsigned short int status;
struct uart_icount *icount;
unsigned long offset;
+ unsigned char flag;
trace(icom_port, "RCV_COMPLETE", 0);
rcv_buff = icom_port->next_rcv;
status = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].flags);
while (status & SA_FL_RCV_DONE) {
+ int first = -1;
trace(icom_port, "FID_STATUS", status);
count = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].leLength);
+ count = tty_buffer_request_room(tty, count);
trace(icom_port, "RCV_COUNT", count);
- if (count > (TTY_FLIPBUF_SIZE - tty->flip.count))
- count = TTY_FLIPBUF_SIZE - tty->flip.count;
trace(icom_port, "REAL_COUNT", count);
cpu_to_le32(icom_port->statStg->rcv[rcv_buff].leBuffer) -
icom_port->recv_buf_pci;
- memcpy(tty->flip.char_buf_ptr,(unsigned char *)
- ((unsigned long)icom_port->recv_buf + offset), count);
-
+ /* Block copy all but the last byte as this may have status */
if (count > 0) {
- tty->flip.count += count - 1;
- tty->flip.char_buf_ptr += count - 1;
-
- memset(tty->flip.flag_buf_ptr, 0, count);
- tty->flip.flag_buf_ptr += count - 1;
+ first = icom_port->recv_buf[offset];
+ tty_insert_flip_string(tty, icom_port->recv_buf + offset, count - 1);
}
icount = &icom_port->uart_port.icount;
/* Break detect logic */
if ((status & SA_FLAGS_FRAME_ERROR)
- && (tty->flip.char_buf_ptr[0] == 0x00)) {
+ && first == 0) {
status &= ~SA_FLAGS_FRAME_ERROR;
status |= SA_FLAGS_BREAK_DET;
trace(icom_port, "BREAK_DET", 0);
}
+ flag = TTY_NORMAL;
+
if (status &
(SA_FLAGS_BREAK_DET | SA_FLAGS_PARITY_ERROR |
SA_FLAGS_FRAME_ERROR | SA_FLAGS_OVERRUN)) {
status &= icom_port->read_status_mask;
if (status & SA_FLAGS_BREAK_DET) {
- *tty->flip.flag_buf_ptr = TTY_BREAK;
+ flag = TTY_BREAK;
} else if (status & SA_FLAGS_PARITY_ERROR) {
trace(icom_port, "PARITY_ERROR", 0);
- *tty->flip.flag_buf_ptr = TTY_PARITY;
+ flag = TTY_PARITY;
} else if (status & SA_FLAGS_FRAME_ERROR)
- *tty->flip.flag_buf_ptr = TTY_FRAME;
-
- if (status & SA_FLAGS_OVERRUN) {
- /*
- * Overrun is special, since it's
- * reported immediately, and doesn't
- * affect the current character
- */
- if (tty->flip.count < TTY_FLIPBUF_SIZE) {
- tty->flip.count++;
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- *tty->flip.flag_buf_ptr = TTY_OVERRUN;
- }
- }
+ flag = TTY_FRAME;
+
}
- tty->flip.flag_buf_ptr++;
- tty->flip.char_buf_ptr++;
- tty->flip.count++;
- ignore_char:
- icom_port->statStg->rcv[rcv_buff].flags = 0;
+ tty_insert_flip_char(tty, *(icom_port->recv_buf + offset + count - 1), flag);
+
+ if (status & SA_FLAGS_OVERRUN)
+ /*
+ * Overrun is special, since it's
+ * reported immediately, and doesn't
+ * affect the current character
+ */
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ignore_char:
+ icom_port->statStg->rcv[rcv_buff].flags = 0;
icom_port->statStg->rcv[rcv_buff].leLength = 0;
icom_port->statStg->rcv[rcv_buff].WorkingLength =
(unsigned short int) cpu_to_le16(RCV_BUFF_SZ);
spin_unlock(&icom_port->uart_port.lock);
}
-static irqreturn_t icom_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t icom_interrupt(int irq, void *dev_id)
{
void __iomem * int_reg;
u32 adapter_interrupts;
{
int retval;
- kobject_get(&ICOM_PORT->adapter->kobj);
+ kref_get(&ICOM_PORT->adapter->kref);
retval = startup(ICOM_PORT);
if (retval) {
- kobject_put(&ICOM_PORT->adapter->kobj);
+ kref_put(&ICOM_PORT->adapter->kref, icom_kref_release);
trace(ICOM_PORT, "STARTUP_ERROR", 0);
return retval;
}
shutdown(ICOM_PORT);
- kobject_put(&ICOM_PORT->adapter->kobj);
+ kref_put(&ICOM_PORT->adapter->kref, icom_kref_release);
}
static void icom_set_termios(struct uart_port *port,
- struct termios *termios,
- struct termios *old_termios)
+ struct ktermios *termios,
+ struct ktermios *old_termios)
{
int baud;
unsigned cflag, iflag;
- int bits;
char new_config2;
char new_config3 = 0;
char tmp_byte;
switch (cflag & CSIZE) {
case CS5: /* 5 bits/char */
new_config2 |= ICOM_ACFG_5BPC;
- bits = 7;
break;
case CS6: /* 6 bits/char */
new_config2 |= ICOM_ACFG_6BPC;
- bits = 8;
break;
case CS7: /* 7 bits/char */
new_config2 |= ICOM_ACFG_7BPC;
- bits = 9;
break;
case CS8: /* 8 bits/char */
new_config2 |= ICOM_ACFG_8BPC;
- bits = 10;
break;
default:
- bits = 10;
break;
}
if (cflag & CSTOPB) {
/* 2 stop bits */
new_config2 |= ICOM_ACFG_2STOP_BIT;
- bits++;
}
if (cflag & PARENB) {
/* parity bit enabled */
new_config2 |= ICOM_ACFG_PARITY_ENAB;
trace(ICOM_PORT, "PARENB", 0);
- bits++;
}
if (cflag & PARODD) {
/* odd parity */
static int __devinit icom_init_ports(struct icom_adapter *icom_adapter)
{
u32 subsystem_id = icom_adapter->subsystem_id;
- int retval = 0;
int i;
struct icom_port *icom_port;
}
}
- return retval;
+ return 0;
}
static void icom_port_active(struct icom_port *icom_port, struct icom_adapter *icom_adapter, int port_num)
0x8024 + 2 - 2 * (icom_port->port - 2);
}
}
-static int __init icom_load_ports(struct icom_adapter *icom_adapter)
+static int __devinit icom_load_ports(struct icom_adapter *icom_adapter)
{
struct icom_port *icom_port;
int port_num;
- int retval;
for (port_num = 0; port_num < icom_adapter->numb_ports; port_num++) {
icom_port->adapter = icom_adapter;
/* get port memory */
- if ((retval = get_port_memory(icom_port)) != 0) {
+ if (get_port_memory(icom_port) != 0) {
dev_err(&icom_port->adapter->pci_dev->dev,
"Memory allocation for port FAILED\n");
}
struct list_head *tmp;
icom_adapter = (struct icom_adapter *)
- kmalloc(sizeof(struct icom_adapter), GFP_KERNEL);
+ kzalloc(sizeof(struct icom_adapter), GFP_KERNEL);
if (!icom_adapter) {
return -ENOMEM;
}
- memset(icom_adapter, 0, sizeof(struct icom_adapter));
-
list_for_each(tmp, &icom_adapter_head) {
cur_adapter_entry =
list_entry(tmp, struct icom_adapter,
}
}
- free_irq(icom_adapter->irq_number, (void *) icom_adapter);
+ free_irq(icom_adapter->pci_dev->irq, (void *) icom_adapter);
iounmap(icom_adapter->base_addr);
- icom_free_adapter(icom_adapter);
pci_release_regions(icom_adapter->pci_dev);
+ icom_free_adapter(icom_adapter);
}
-static void icom_kobj_release(struct kobject *kobj)
+static void icom_kref_release(struct kref *kref)
{
struct icom_adapter *icom_adapter;
- icom_adapter = to_icom_adapter(kobj);
+ icom_adapter = to_icom_adapter(kref);
icom_remove_adapter(icom_adapter);
}
-static struct kobj_type icom_kobj_type = {
- .release = icom_kobj_release,
-};
-
static int __devinit icom_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
}
if ( (retval = pci_request_regions(dev, "icom"))) {
- dev_err(&dev->dev, "pci_request_region FAILED\n");
+ dev_err(&dev->dev, "pci_request_regions FAILED\n");
pci_disable_device(dev);
return retval;
}
}
icom_adapter->base_addr_pci = pci_resource_start(dev, 0);
- icom_adapter->irq_number = dev->irq;
icom_adapter->pci_dev = dev;
icom_adapter->version = ent->driver_data;
icom_adapter->subsystem_id = ent->subdevice;
/* save off irq and request irq line */
if ( (retval = request_irq(dev->irq, icom_interrupt,
- SA_INTERRUPT | SA_SHIRQ, ICOM_DRIVER_NAME,
+ IRQF_DISABLED | IRQF_SHARED, ICOM_DRIVER_NAME,
(void *) icom_adapter))) {
goto probe_exit2;
}
icom_port = &icom_adapter->port_info[index];
if (icom_port->status == ICOM_PORT_ACTIVE) {
- icom_port->uart_port.irq = icom_port->adapter->irq_number;
+ icom_port->uart_port.irq = icom_port->adapter->pci_dev->irq;
icom_port->uart_port.type = PORT_ICOM;
icom_port->uart_port.iotype = UPIO_MEM;
icom_port->uart_port.membase =
}
}
- kobject_init(&icom_adapter->kobj);
- icom_adapter->kobj.ktype = &icom_kobj_type;
+ kref_init(&icom_adapter->kref);
return 0;
probe_exit2:
icom_adapter = list_entry(tmp, struct icom_adapter,
icom_adapter_entry);
if (icom_adapter->pci_dev == dev) {
- kobject_put(&icom_adapter->kobj);
+ kref_put(&icom_adapter->kref, icom_kref_release);
return;
}
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff