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path: root/drivers/misc/ibmasm/remote.c
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Diffstat (limited to 'drivers/misc/ibmasm/remote.c')
-rw-r--r--drivers/misc/ibmasm/remote.c116
1 files changed, 63 insertions, 53 deletions
diff --git a/drivers/misc/ibmasm/remote.c b/drivers/misc/ibmasm/remote.c
index d3c48d23ee5..477bb43c899 100644
--- a/drivers/misc/ibmasm/remote.c
+++ b/drivers/misc/ibmasm/remote.c
@@ -17,7 +17,7 @@
*
* Copyright (C) IBM Corporation, 2004
*
- * Authors: Max Asböck <amax@us.ibm.com>
+ * Authors: Max Asböck <amax@us.ibm.com>
* Vernon Mauery <vernux@us.ibm.com>
*
*/
@@ -28,11 +28,10 @@
#include "ibmasm.h"
#include "remote.h"
-static int xmax = 1600;
-static int ymax = 1200;
+#define MOUSE_X_MAX 1600
+#define MOUSE_Y_MAX 1200
-
-static unsigned short xlate_high[XLATE_SIZE] = {
+static const unsigned short xlate_high[XLATE_SIZE] = {
[KEY_SYM_ENTER & 0xff] = KEY_ENTER,
[KEY_SYM_KPSLASH & 0xff] = KEY_KPSLASH,
[KEY_SYM_KPSTAR & 0xff] = KEY_KPASTERISK,
@@ -81,7 +80,8 @@ static unsigned short xlate_high[XLATE_SIZE] = {
[KEY_SYM_NUM_LOCK & 0xff] = KEY_NUMLOCK,
[KEY_SYM_SCR_LOCK & 0xff] = KEY_SCROLLLOCK,
};
-static unsigned short xlate[XLATE_SIZE] = {
+
+static const unsigned short xlate[XLATE_SIZE] = {
[NO_KEYCODE] = KEY_RESERVED,
[KEY_SYM_SPACE] = KEY_SPACE,
[KEY_SYM_TILDE] = KEY_GRAVE, [KEY_SYM_BKTIC] = KEY_GRAVE,
@@ -133,19 +133,16 @@ static unsigned short xlate[XLATE_SIZE] = {
[KEY_SYM_Z] = KEY_Z, [KEY_SYM_z] = KEY_Z,
};
-static char remote_mouse_name[] = "ibmasm RSA I remote mouse";
-static char remote_keybd_name[] = "ibmasm RSA I remote keyboard";
-
static void print_input(struct remote_input *input)
{
if (input->type == INPUT_TYPE_MOUSE) {
unsigned char buttons = input->mouse_buttons;
dbg("remote mouse movement: (x,y)=(%d,%d)%s%s%s%s\n",
input->data.mouse.x, input->data.mouse.y,
- (buttons)?" -- buttons:":"",
- (buttons & REMOTE_BUTTON_LEFT)?"left ":"",
- (buttons & REMOTE_BUTTON_MIDDLE)?"middle ":"",
- (buttons & REMOTE_BUTTON_RIGHT)?"right":""
+ (buttons) ? " -- buttons:" : "",
+ (buttons & REMOTE_BUTTON_LEFT) ? "left " : "",
+ (buttons & REMOTE_BUTTON_MIDDLE) ? "middle " : "",
+ (buttons & REMOTE_BUTTON_RIGHT) ? "right" : ""
);
} else {
dbg("remote keypress (code, flag, down):"
@@ -158,12 +155,10 @@ static void print_input(struct remote_input *input)
}
}
-static void send_mouse_event(struct input_dev *dev, struct pt_regs *regs,
- struct remote_input *input)
+static void send_mouse_event(struct input_dev *dev, struct remote_input *input)
{
unsigned char buttons = input->mouse_buttons;
- input_regs(dev, regs);
input_report_abs(dev, ABS_X, input->data.mouse.x);
input_report_abs(dev, ABS_Y, input->data.mouse.y);
input_report_key(dev, BTN_LEFT, buttons & REMOTE_BUTTON_LEFT);
@@ -172,7 +167,7 @@ static void send_mouse_event(struct input_dev *dev, struct pt_regs *regs,
input_sync(dev);
}
-static void send_keyboard_event(struct input_dev *dev, struct pt_regs *regs,
+static void send_keyboard_event(struct input_dev *dev,
struct remote_input *input)
{
unsigned int key;
@@ -182,13 +177,11 @@ static void send_keyboard_event(struct input_dev *dev, struct pt_regs *regs,
key = xlate_high[code & 0xff];
else
key = xlate[code];
- input_regs(dev, regs);
- input_report_key(dev, key, (input->data.keyboard.key_down) ? 1 : 0);
+ input_report_key(dev, key, input->data.keyboard.key_down);
input_sync(dev);
}
-void ibmasm_handle_mouse_interrupt(struct service_processor *sp,
- struct pt_regs *regs)
+void ibmasm_handle_mouse_interrupt(struct service_processor *sp)
{
unsigned long reader;
unsigned long writer;
@@ -203,9 +196,9 @@ void ibmasm_handle_mouse_interrupt(struct service_processor *sp,
print_input(&input);
if (input.type == INPUT_TYPE_MOUSE) {
- send_mouse_event(&sp->remote->mouse_dev, regs, &input);
+ send_mouse_event(sp->remote.mouse_dev, &input);
} else if (input.type == INPUT_TYPE_KEYBOARD) {
- send_keyboard_event(&sp->remote->keybd_dev, regs, &input);
+ send_keyboard_event(sp->remote.keybd_dev, &input);
} else
break;
@@ -217,56 +210,73 @@ void ibmasm_handle_mouse_interrupt(struct service_processor *sp,
int ibmasm_init_remote_input_dev(struct service_processor *sp)
{
/* set up the mouse input device */
- struct ibmasm_remote *remote;
+ struct input_dev *mouse_dev, *keybd_dev;
struct pci_dev *pdev = to_pci_dev(sp->dev);
+ int error = -ENOMEM;
int i;
- sp->remote = remote = kmalloc(sizeof(*remote), GFP_KERNEL);
- if (!remote)
- return -ENOMEM;
+ sp->remote.mouse_dev = mouse_dev = input_allocate_device();
+ sp->remote.keybd_dev = keybd_dev = input_allocate_device();
- memset(remote, 0, sizeof(*remote));
+ if (!mouse_dev || !keybd_dev)
+ goto err_free_devices;
- remote->mouse_dev.private = remote;
- init_input_dev(&remote->mouse_dev);
- remote->mouse_dev.id.vendor = pdev->vendor;
- remote->mouse_dev.id.product = pdev->device;
- remote->mouse_dev.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
- remote->mouse_dev.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) |
- BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
- set_bit(BTN_TOUCH, remote->mouse_dev.keybit);
- remote->mouse_dev.name = remote_mouse_name;
- input_set_abs_params(&remote->mouse_dev, ABS_X, 0, xmax, 0, 0);
- input_set_abs_params(&remote->mouse_dev, ABS_Y, 0, ymax, 0, 0);
+ mouse_dev->id.bustype = BUS_PCI;
+ mouse_dev->id.vendor = pdev->vendor;
+ mouse_dev->id.product = pdev->device;
+ mouse_dev->id.version = 1;
+ mouse_dev->dev.parent = sp->dev;
+ mouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
+ mouse_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
+ BIT_MASK(BTN_RIGHT) | BIT_MASK(BTN_MIDDLE);
+ set_bit(BTN_TOUCH, mouse_dev->keybit);
+ mouse_dev->name = "ibmasm RSA I remote mouse";
+ input_set_abs_params(mouse_dev, ABS_X, 0, MOUSE_X_MAX, 0, 0);
+ input_set_abs_params(mouse_dev, ABS_Y, 0, MOUSE_Y_MAX, 0, 0);
- remote->keybd_dev.private = remote;
- init_input_dev(&remote->keybd_dev);
- remote->keybd_dev.id.vendor = pdev->vendor;
- remote->keybd_dev.id.product = pdev->device;
- remote->keybd_dev.evbit[0] = BIT(EV_KEY);
- remote->keybd_dev.name = remote_keybd_name;
+ keybd_dev->id.bustype = BUS_PCI;
+ keybd_dev->id.vendor = pdev->vendor;
+ keybd_dev->id.product = pdev->device;
+ keybd_dev->id.version = 2;
+ keybd_dev->dev.parent = sp->dev;
+ keybd_dev->evbit[0] = BIT_MASK(EV_KEY);
+ keybd_dev->name = "ibmasm RSA I remote keyboard";
- for (i=0; i<XLATE_SIZE; i++) {
+ for (i = 0; i < XLATE_SIZE; i++) {
if (xlate_high[i])
- set_bit(xlate_high[i], remote->keybd_dev.keybit);
+ set_bit(xlate_high[i], keybd_dev->keybit);
if (xlate[i])
- set_bit(xlate[i], remote->keybd_dev.keybit);
+ set_bit(xlate[i], keybd_dev->keybit);
}
- input_register_device(&remote->mouse_dev);
- input_register_device(&remote->keybd_dev);
+ error = input_register_device(mouse_dev);
+ if (error)
+ goto err_free_devices;
+
+ error = input_register_device(keybd_dev);
+ if (error)
+ goto err_unregister_mouse_dev;
+
enable_mouse_interrupts(sp);
printk(KERN_INFO "ibmasm remote responding to events on RSA card %d\n", sp->number);
return 0;
+
+ err_unregister_mouse_dev:
+ input_unregister_device(mouse_dev);
+ mouse_dev = NULL; /* so we don't try to free it again below */
+ err_free_devices:
+ input_free_device(mouse_dev);
+ input_free_device(keybd_dev);
+
+ return error;
}
void ibmasm_free_remote_input_dev(struct service_processor *sp)
{
disable_mouse_interrupts(sp);
- input_unregister_device(&sp->remote->keybd_dev);
- input_unregister_device(&sp->remote->mouse_dev);
- kfree(sp->remote);
+ input_unregister_device(sp->remote.mouse_dev);
+ input_unregister_device(sp->remote.keybd_dev);
}
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