m68k: amiga - Mouse platform device conversion

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

diff --git a/arch/m68k/amiga/platform.c b/arch/m68k/amiga/platform.c
index d427de23c02e40eb995c3089cfdd2cf029004dce..269bafc8da177a607585f88f7961cf9a69df6de6 100644 (file)
--- a/arch/m68k/amiga/platform.c
+++ b/arch/m68k/amiga/platform.c
@@ -165,6 +165,9 @@ static int __init amiga_init_devices(void)
        if (AMIGAHW_PRESENT(AMI_KEYBOARD))
                platform_device_register_simple("amiga-keyboard", -1, NULL, 0);
 
+       if (AMIGAHW_PRESENT(AMI_MOUSE))
+               platform_device_register_simple("amiga-mouse", -1, NULL, 0);
+
        return 0;
 }
 

diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c
index a185ac78a42ca441a193229f2bd04ccf7cfd8079..ff5f61a0fd3ad1eb071e600e5e37fb15fb4ca61a 100644 (file)
--- a/drivers/input/mouse/amimouse.c
+++ b/drivers/input/mouse/amimouse.c
@@ -21,6 +21,7 @@
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 
 #include <asm/irq.h>
 #include <asm/setup.h>
@@ -34,10 +35,10 @@ MODULE_DESCRIPTION("Amiga mouse driver");
 MODULE_LICENSE("GPL");
 
 static int amimouse_lastx, amimouse_lasty;
-static struct input_dev *amimouse_dev;
 
-static irqreturn_t amimouse_interrupt(int irq, void *dummy)
+static irqreturn_t amimouse_interrupt(int irq, void *data)
 {
+       struct input_dev *dev = data;
        unsigned short joy0dat, potgor;
        int nx, ny, dx, dy;
 
@@ -59,14 +60,14 @@ static irqreturn_t amimouse_interrupt(int irq, void *dummy)
 
        potgor = amiga_custom.potgor;
 
-       input_report_rel(amimouse_dev, REL_X, dx);
-       input_report_rel(amimouse_dev, REL_Y, dy);
+       input_report_rel(dev, REL_X, dx);
+       input_report_rel(dev, REL_Y, dy);
 
-       input_report_key(amimouse_dev, BTN_LEFT,   ciaa.pra & 0x40);
-       input_report_key(amimouse_dev, BTN_MIDDLE, potgor & 0x0100);
-       input_report_key(amimouse_dev, BTN_RIGHT,  potgor & 0x0400);
+       input_report_key(dev, BTN_LEFT,   ciaa.pra & 0x40);
+       input_report_key(dev, BTN_MIDDLE, potgor & 0x0100);
+       input_report_key(dev, BTN_RIGHT,  potgor & 0x0400);
 
-       input_sync(amimouse_dev);
+       input_sync(dev);
 
        return IRQ_HANDLED;
 }
@@ -74,63 +75,90 @@ static irqreturn_t amimouse_interrupt(int irq, void *dummy)
 static int amimouse_open(struct input_dev *dev)
 {
        unsigned short joy0dat;
+       int error;
 
        joy0dat = amiga_custom.joy0dat;
 
        amimouse_lastx = joy0dat & 0xff;
        amimouse_lasty = joy0dat >> 8;
 
-       if (request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse", amimouse_interrupt)) {
-                printk(KERN_ERR "amimouse.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
-                return -EBUSY;
-        }
+       error = request_irq(IRQ_AMIGA_VERTB, amimouse_interrupt, 0, "amimouse",
+                           dev);
+       if (error)
+               dev_err(&dev->dev, "Can't allocate irq %d\n", IRQ_AMIGA_VERTB);
 
-        return 0;
+       return error;
 }
 
 static void amimouse_close(struct input_dev *dev)
 {
-       free_irq(IRQ_AMIGA_VERTB, amimouse_interrupt);
+       free_irq(IRQ_AMIGA_VERTB, dev);
 }
 
-static int __init amimouse_init(void)
+static int __init amimouse_probe(struct platform_device *pdev)
 {
        int err;
+       struct input_dev *dev;
 
-       if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_MOUSE))
-               return -ENODEV;
-
-       amimouse_dev = input_allocate_device();
-       if (!amimouse_dev)
+       dev = input_allocate_device();
+       if (!dev)
                return -ENOMEM;
 
-       amimouse_dev->name = "Amiga mouse";
-       amimouse_dev->phys = "amimouse/input0";
-       amimouse_dev->id.bustype = BUS_AMIGA;
-       amimouse_dev->id.vendor = 0x0001;
-       amimouse_dev->id.product = 0x0002;
-       amimouse_dev->id.version = 0x0100;
+       dev->name = pdev->name;
+       dev->phys = "amimouse/input0";
+       dev->id.bustype = BUS_AMIGA;
+       dev->id.vendor = 0x0001;
+       dev->id.product = 0x0002;
+       dev->id.version = 0x0100;
 
-       amimouse_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
-       amimouse_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
-       amimouse_dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
+       dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
+       dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
+       dev->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) |
                BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
-       amimouse_dev->open = amimouse_open;
-       amimouse_dev->close = amimouse_close;
+       dev->open = amimouse_open;
+       dev->close = amimouse_close;
+       dev->dev.parent = &pdev->dev;
 
-       err = input_register_device(amimouse_dev);
+       err = input_register_device(dev);
        if (err) {
-               input_free_device(amimouse_dev);
+               input_free_device(dev);
                return err;
        }
 
+       platform_set_drvdata(pdev, dev);
+
        return 0;
 }
 
-static void __exit amimouse_exit(void)
+static int __exit amimouse_remove(struct platform_device *pdev)
 {
-        input_unregister_device(amimouse_dev);
+       struct input_dev *dev = platform_get_drvdata(pdev);
+
+       platform_set_drvdata(pdev, NULL);
+       input_unregister_device(dev);
+       return 0;
+}
+
+static struct platform_driver amimouse_driver = {
+       .remove = __exit_p(amimouse_remove),
+       .driver   = {
+               .name   = "amiga-mouse",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init amimouse_init(void)
+{
+       return platform_driver_probe(&amimouse_driver, amimouse_probe);
 }
 
 module_init(amimouse_init);
+
+static void __exit amimouse_exit(void)
+{
+       platform_driver_unregister(&amimouse_driver);
+}
+
 module_exit(amimouse_exit);
+
+MODULE_ALIAS("platform:amiga-mouse");