#include <linux/serio.h>
#include <linux/err.h>
#include <linux/rcupdate.h>
+#include <linux/platform_device.h>
#include <asm/io.h>
MODULE_DESCRIPTION("i8042 keyboard and mouse controller driver");
MODULE_LICENSE("GPL");
+static unsigned int i8042_nokbd;
+module_param_named(nokbd, i8042_nokbd, bool, 0);
+MODULE_PARM_DESC(nokbd, "Do not probe or use KBD port.");
+
static unsigned int i8042_noaux;
module_param_named(noaux, i8042_noaux, bool, 0);
MODULE_PARM_DESC(noaux, "Do not probe or use AUX (mouse) port.");
* LCS/Telegraphics.
*/
-static int __init i8042_check_mux(void)
+static int __devinit i8042_check_mux(void)
{
unsigned char mux_version;
* the presence of an AUX interface.
*/
-static int __init i8042_check_aux(void)
+static int __devinit i8042_check_aux(void)
{
unsigned char param;
static int i8042_check_aux_cookie;
* registers it, and reports to the user.
*/
-static int __init i8042_port_register(struct i8042_port *port)
+static int __devinit i8042_port_register(struct i8042_port *port)
{
i8042_ctr &= ~port->disable;
* Here we try to restore the original BIOS settings
*/
-static int i8042_suspend(struct device *dev, pm_message_t state, u32 level)
+static int i8042_suspend(struct platform_device *dev, pm_message_t state)
{
- if (level == SUSPEND_DISABLE) {
- del_timer_sync(&i8042_timer);
- i8042_controller_reset();
- }
+ del_timer_sync(&i8042_timer);
+ i8042_controller_reset();
return 0;
}
* Here we try to reset everything back to a state in which suspended
*/
-static int i8042_resume(struct device *dev, u32 level)
+static int i8042_resume(struct platform_device *dev)
{
int i;
- if (level != RESUME_ENABLE)
- return 0;
-
if (i8042_ctl_test())
return -1;
panic_blink = i8042_panic_blink;
return 0;
-
}
/*
* because otherwise BIOSes will be confused.
*/
-static void i8042_shutdown(struct device *dev)
+static void i8042_shutdown(struct platform_device *dev)
{
i8042_controller_cleanup();
}
-static struct device_driver i8042_driver = {
- .name = "i8042",
- .bus = &platform_bus_type,
- .suspend = i8042_suspend,
- .resume = i8042_resume,
- .shutdown = i8042_shutdown,
-};
-
-static int __init i8042_create_kbd_port(void)
+static int __devinit i8042_create_kbd_port(void)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_KBD_PORT_NO];
- serio = kcalloc(1, sizeof(struct serio), GFP_KERNEL);
+ serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!serio)
return -ENOMEM;
return i8042_port_register(port);
}
-static int __init i8042_create_aux_port(void)
+static int __devinit i8042_create_aux_port(void)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_AUX_PORT_NO];
- serio = kcalloc(1, sizeof(struct serio), GFP_KERNEL);
+ serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!serio)
return -ENOMEM;
return i8042_port_register(port);
}
-static int __init i8042_create_mux_port(int index)
+static int __devinit i8042_create_mux_port(int index)
{
struct serio *serio;
struct i8042_port *port = &i8042_ports[I8042_MUX_PORT_NO + index];
- serio = kcalloc(1, sizeof(struct serio), GFP_KERNEL);
+ serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
if (!serio)
return -ENOMEM;
return i8042_port_register(port);
}
-static int __init i8042_init(void)
+static int __devinit i8042_probe(struct platform_device *dev)
{
- int i;
+ int i, have_ports = 0;
int err;
- dbg_init();
-
init_timer(&i8042_timer);
i8042_timer.function = i8042_timer_func;
- err = i8042_platform_init();
- if (err)
- return err;
-
- i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ;
- i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ;
-
- if (i8042_controller_init()) {
- err = -ENODEV;
- goto err_platform_exit;
- }
-
- err = driver_register(&i8042_driver);
- if (err)
- goto err_controller_cleanup;
-
- i8042_platform_device = platform_device_register_simple("i8042", -1, NULL, 0);
- if (IS_ERR(i8042_platform_device)) {
- err = PTR_ERR(i8042_platform_device);
- goto err_unregister_driver;
- }
+ if (i8042_controller_init())
+ return -ENODEV;
if (!i8042_noaux && !i8042_check_aux()) {
if (!i8042_nomux && !i8042_check_mux()) {
if (err)
goto err_unregister_ports;
}
+ have_ports = 1;
}
- err = i8042_create_kbd_port();
- if (err)
- goto err_unregister_ports;
+ if (!i8042_nokbd) {
+ err = i8042_create_kbd_port();
+ if (err)
+ goto err_unregister_ports;
+ have_ports = 1;
+ }
- mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD);
+ if (!have_ports) {
+ err = -ENODEV;
+ goto err_controller_cleanup;
+ }
+ mod_timer(&i8042_timer, jiffies + I8042_POLL_PERIOD);
return 0;
err_unregister_ports:
for (i = 0; i < I8042_NUM_PORTS; i++)
if (i8042_ports[i].serio)
serio_unregister_port(i8042_ports[i].serio);
- platform_device_unregister(i8042_platform_device);
- err_unregister_driver:
- driver_unregister(&i8042_driver);
err_controller_cleanup:
i8042_controller_cleanup();
- err_platform_exit:
- i8042_platform_exit();
return err;
}
-static void __exit i8042_exit(void)
+static int __devexit i8042_remove(struct platform_device *dev)
{
int i;
del_timer_sync(&i8042_timer);
+ return 0;
+}
+
+static struct platform_driver i8042_driver = {
+ .driver = {
+ .name = "i8042",
+ .owner = THIS_MODULE,
+ },
+ .probe = i8042_probe,
+ .remove = __devexit_p(i8042_remove),
+ .suspend = i8042_suspend,
+ .resume = i8042_resume,
+ .shutdown = i8042_shutdown,
+};
+
+static int __init i8042_init(void)
+{
+ int err;
+
+ dbg_init();
+
+ err = i8042_platform_init();
+ if (err)
+ return err;
+
+ i8042_ports[I8042_AUX_PORT_NO].irq = I8042_AUX_IRQ;
+ i8042_ports[I8042_KBD_PORT_NO].irq = I8042_KBD_IRQ;
+
+ err = platform_driver_register(&i8042_driver);
+ if (err)
+ goto err_platform_exit;
+
+ i8042_platform_device = platform_device_alloc("i8042", -1);
+ if (!i8042_platform_device) {
+ err = -ENOMEM;
+ goto err_unregister_driver;
+ }
+
+ err = platform_device_add(i8042_platform_device);
+ if (err)
+ goto err_free_device;
+
+ return 0;
+
+ err_free_device:
+ platform_device_put(i8042_platform_device);
+ err_unregister_driver:
+ platform_driver_unregister(&i8042_driver);
+ err_platform_exit:
+ i8042_platform_exit();
+
+ return err;
+}
+
+static void __exit i8042_exit(void)
+{
platform_device_unregister(i8042_platform_device);
- driver_unregister(&i8042_driver);
+ platform_driver_unregister(&i8042_driver);
i8042_platform_exit();
projects / linux-2.6-omap-h63xx.git / blobdiff