#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>
#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,
+ },
{}
};
static spinlock_t icom_lock;
#ifdef ICOM_TRACE
-static inline void trace(struct icom_port *, char *, unsigned long) {};
+static inline void trace(struct icom_port *icom_port, char *trace_pt,
+ unsigned long trace_data)
+{
+ dev_info(&icom_port->adapter->pci_dev->dev, ":%d:%s - %lx\n",
+ icom_port->port, trace_pt, trace_data);
+}
#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;
if (port < 4) {
temp = readl(stop_proc[port].global_control_reg);
temp =
- (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id;
+ (temp & ~start_proc[port].processor_id) | stop_proc[port].processor_id;
writel(temp, stop_proc[port].global_control_reg);
/* write flush */
if (port < 4) {
temp = readl(start_proc[port].global_control_reg);
temp =
- (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id;
+ (temp & ~stop_proc[port].processor_id) | start_proc[port].processor_id;
writel(temp, start_proc[port].global_control_reg);
/* write flush */
release_firmware(fw);
/* Set Hardware level */
- if ((icom_port->adapter->version | ADAPTER_V2) == ADAPTER_V2)
+ if (icom_port->adapter->version == ADAPTER_V2)
writeb(V2_HARDWARE, &(icom_port->dram->misc_flags));
/* Start the processor in Adapter */
dev_err(&icom_port->adapter->pci_dev->dev,"Port not opertional\n");
}
- if (new_page != NULL)
- pci_free_consistent(dev, 4096, new_page, temp_pci);
+ if (new_page != NULL)
+ pci_free_consistent(dev, 4096, new_page, temp_pci);
}
static int startup(struct icom_port *icom_port)
* disable break condition
*/
cmdReg = readb(&icom_port->dram->CmdReg);
- if ((cmdReg | CMD_SND_BREAK) == CMD_SND_BREAK) {
+ if (cmdReg & CMD_SND_BREAK) {
writeb(cmdReg & ~CMD_SND_BREAK, &icom_port->dram->CmdReg);
}
}
unsigned long data_count;
unsigned char cmdReg;
unsigned long offset;
- int temp_tail = port->info->xmit.tail;
+ int temp_tail = port->state->xmit.tail;
trace(ICOM_PORT, "WRITE", 0);
}
data_count = 0;
- while ((port->info->xmit.head != temp_tail) &&
+ while ((port->state->xmit.head != temp_tail) &&
(data_count <= XMIT_BUFF_SZ)) {
ICOM_PORT->xmit_buf[data_count++] =
- port->info->xmit.buf[temp_tail];
+ port->state->xmit.buf[temp_tail];
temp_tail++;
temp_tail &= (UART_XMIT_SIZE - 1);
uart_handle_cts_change(&icom_port->uart_port,
delta_status & ICOM_CTS);
- wake_up_interruptible(&icom_port->uart_port.info->
- delta_msr_wait);
+ wake_up_interruptible(&icom_port->uart_port.state->
+ port.delta_msr_wait);
old_status = status;
}
spin_unlock(&icom_port->uart_port.lock);
icom_port->uart_port.icount.tx += count;
for (i=0; i<count &&
- !uart_circ_empty(&icom_port->uart_port.info->xmit); i++) {
+ !uart_circ_empty(&icom_port->uart_port.state->xmit); i++) {
- icom_port->uart_port.info->xmit.tail++;
- icom_port->uart_port.info->xmit.tail &=
+ icom_port->uart_port.state->xmit.tail++;
+ icom_port->uart_port.state->xmit.tail &=
(UART_XMIT_SIZE - 1);
}
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.state->port.tty;
unsigned short int status;
struct uart_icount *icount;
unsigned long offset;
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;
/* find icom_port for this interrupt */
icom_adapter = (struct icom_adapter *) dev_id;
- if ((icom_adapter->version | ADAPTER_V2) == ADAPTER_V2) {
+ if (icom_adapter->version == ADAPTER_V2) {
int_reg = icom_adapter->base_addr + 0x8024;
adapter_interrupts = readl(int_reg);
{
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)
{
int index;
- unsigned int command_reg;
- int retval;
- struct icom_adapter *icom_adapter;
- struct icom_port *icom_port;
+ unsigned int command_reg;
+ int retval;
+ struct icom_adapter *icom_adapter;
+ struct icom_port *icom_port;
- retval = pci_enable_device(dev);
- if (retval) {
+ retval = pci_enable_device(dev);
+ if (retval) {
dev_err(&dev->dev, "Device enable FAILED\n");
- return retval;
+ return retval;
}
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;
}
- pci_set_master(dev);
+ pci_set_master(dev);
- if ( (retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg))) {
+ if ( (retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg))) {
dev_err(&dev->dev, "PCI Config read FAILED\n");
- return retval;
- }
+ return retval;
+ }
pci_write_config_dword(dev, PCI_COMMAND,
command_reg | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
| PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
- if (ent->driver_data == ADAPTER_V1) {
+ if (ent->driver_data == ADAPTER_V1) {
pci_write_config_dword(dev, 0x44, 0x8300830A);
- } else {
+ } else {
pci_write_config_dword(dev, 0x44, 0x42004200);
pci_write_config_dword(dev, 0x48, 0x42004200);
- }
+ }
retval = icom_alloc_adapter(&icom_adapter);
goto probe_exit0;
}
- 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;
+ icom_adapter->base_addr_pci = pci_resource_start(dev, 0);
+ icom_adapter->pci_dev = dev;
+ icom_adapter->version = ent->driver_data;
+ icom_adapter->subsystem_id = ent->subdevice;
retval = icom_init_ports(icom_adapter);
goto probe_exit1;
}
- icom_adapter->base_addr = ioremap(icom_adapter->base_addr_pci,
- pci_resource_len(dev, 0));
+ icom_adapter->base_addr = pci_ioremap_bar(dev, 0);
if (!icom_adapter->base_addr)
goto probe_exit1;
/* 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;
}
retval = icom_load_ports(icom_adapter);
- for (index = 0; index < icom_adapter->numb_ports; index++) {
+ for (index = 0; index < icom_adapter->numb_ports; index++) {
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 =
icom_port->status = ICOM_PORT_OFF;
dev_err(&dev->dev, "Device add failed\n");
} else
- dev_info(&dev->dev, "Device added\n");
+ dev_info(&dev->dev, "Device added\n");
}
}
- kobject_init(&icom_adapter->kobj);
- icom_adapter->kobj.ktype = &icom_kobj_type;
+ kref_init(&icom_adapter->kref);
return 0;
probe_exit2:
pci_release_regions(dev);
pci_disable_device(dev);
- return retval;
-
-
+ return retval;
}
static void __devexit icom_remove(struct pci_dev *dev)
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;
}
}
module_init(icom_init);
module_exit(icom_exit);
-#ifdef ICOM_TRACE
-static inline void trace(struct icom_port *icom_port, char *trace_pt,
- unsigned long trace_data)
-{
- dev_info(&icom_port->adapter->pci_dev->dev, ":%d:%s - %lx\n",
- icom_port->port, trace_pt, trace_data);
-}
-#endif
-
MODULE_AUTHOR("Michael Anderson <mjanders@us.ibm.com>");
MODULE_DESCRIPTION("IBM iSeries Serial IOA driver");
MODULE_SUPPORTED_DEVICE