m68k: amiga - Keyboard platform device conversion

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

1 files changed, 58 insertions, 39 deletions

diff --git a/drivers/input/keyboard/amikbd.c b/drivers/input/keyboard/amikbd.c
index 35149ec455a9..79172af164f2 100644
--- a/drivers/input/keyboard/amikbd.c
+++ b/drivers/input/keyboard/amikbd.c
@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/keyboard.h>
+#include <linux/platform_device.h>
 
 #include <asm/amigaints.h>
 #include <asm/amigahw.h>
@@ -154,10 +155,9 @@ static const char *amikbd_messages[8] = {
         [7] = KERN_WARNING "amikbd: keyboard interrupt\n"
 };
 
-static struct input_dev *amikbd_dev;
-
-static irqreturn_t amikbd_interrupt(int irq, void *dummy)
+static irqreturn_t amikbd_interrupt(int irq, void *data)
 {
+        struct input_dev *dev = data;
         unsigned char scancode, down;
 
         scancode = ~ciaa.sdr;           /* get and invert scancode (keyboard is active low) */
@@ -170,47 +170,42 @@ static irqreturn_t amikbd_interrupt(int irq, void *dummy)
 
         if (scancode < 0x78) {          /* scancodes < 0x78 are keys */
                 if (scancode == 98) {   /* CapsLock is a toggle switch key on Amiga */
-                        input_report_key(amikbd_dev, scancode, 1);
-                        input_report_key(amikbd_dev, scancode, 0);
+                        input_report_key(dev, scancode, 1);
+                        input_report_key(dev, scancode, 0);
                 } else {
-                        input_report_key(amikbd_dev, scancode, down);
+                        input_report_key(dev, scancode, down);
                 }
 
-                input_sync(amikbd_dev);
+                input_sync(dev);
         } else                          /* scancodes >= 0x78 are error codes */
                 printk(amikbd_messages[scancode - 0x78]);
 
         return IRQ_HANDLED;
 }
 
-static int __init amikbd_init(void)
+static int __init amikbd_probe(struct platform_device *pdev)
 {
+        struct input_dev *dev;
         int i, j, err;
 
-        if (!AMIGAHW_PRESENT(AMI_KEYBOARD))
-                return -ENODEV;
-
-        if (!request_mem_region(CIAA_PHYSADDR-1+0xb00, 0x100, "amikeyb"))
-                return -EBUSY;
-
-        amikbd_dev = input_allocate_device();
-        if (!amikbd_dev) {
-                printk(KERN_ERR "amikbd: not enough memory for input device\n");
-                err = -ENOMEM;
-                goto fail1;
+        dev = input_allocate_device();
+        if (!dev) {
+                dev_err(&pdev->dev, "Not enough memory for input device\n");
+                return -ENOMEM;
         }
 
-        amikbd_dev->name = "Amiga Keyboard";
-        amikbd_dev->phys = "amikbd/input0";
-        amikbd_dev->id.bustype = BUS_AMIGA;
-        amikbd_dev->id.vendor = 0x0001;
-        amikbd_dev->id.product = 0x0001;
-        amikbd_dev->id.version = 0x0100;
+        dev->name = pdev->name;
+        dev->phys = "amikbd/input0";
+        dev->id.bustype = BUS_AMIGA;
+        dev->id.vendor = 0x0001;
+        dev->id.product = 0x0001;
+        dev->id.version = 0x0100;
+        dev->dev.parent = &pdev->dev;
 
-        amikbd_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
+        dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
 
         for (i = 0; i < 0x78; i++)
-                set_bit(i, amikbd_dev->keybit);
+                set_bit(i, dev->keybit);
 
         for (i = 0; i < MAX_NR_KEYMAPS; i++) {
                 static u_short temp_map[NR_KEYS] __initdata;
@@ -229,30 +224,54 @@ static int __init amikbd_init(void)
                 memcpy(key_maps[i], temp_map, sizeof(temp_map));
         }
         ciaa.cra &= ~0x41;       /* serial data in, turn off TA */
-        if (request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
-                        amikbd_interrupt)) {
-                err = -EBUSY;
+        err = request_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt, 0, "amikbd",
+                          dev);
+        if (err)
                 goto fail2;
-        }
 
-        err = input_register_device(amikbd_dev);
+        err = input_register_device(dev);
         if (err)
                 goto fail3;
 
+        platform_set_drvdata(pdev, dev);
+
         return 0;
 
- fail3: free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
- fail2: input_free_device(amikbd_dev);
- fail1: release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100);
+ fail3: free_irq(IRQ_AMIGA_CIAA_SP, dev);
+ fail2: input_free_device(dev);
         return err;
 }
 
-static void __exit amikbd_exit(void)
+static int __exit amikbd_remove(struct platform_device *pdev)
+{
+        struct input_dev *dev = platform_get_drvdata(pdev);
+
+        platform_set_drvdata(pdev, NULL);
+        free_irq(IRQ_AMIGA_CIAA_SP, dev);
+        input_unregister_device(dev);
+        return 0;
+}
+
+static struct platform_driver amikbd_driver = {
+        .remove = __exit_p(amikbd_remove),
+        .driver   = {
+                .name   = "amiga-keyboard",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static int __init amikbd_init(void)
 {
-        free_irq(IRQ_AMIGA_CIAA_SP, amikbd_interrupt);
-        input_unregister_device(amikbd_dev);
-        release_mem_region(CIAA_PHYSADDR - 1 + 0xb00, 0x100);
+        return platform_driver_probe(&amikbd_driver, amikbd_probe);
 }
 
 module_init(amikbd_init);
+
+static void __exit amikbd_exit(void)
+{
+        platform_driver_unregister(&amikbd_driver);
+}
+
 module_exit(amikbd_exit);
+
+MODULE_ALIAS("platform:amiga-keyboard");