1 files changed, 116 insertions, 0 deletions

diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
new file mode 100644
index 000000000000..da2a19812485
--- /dev/null
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -0,0 +1,116 @@
+#ifndef _I8042_SPARCIO_H
+#define _I8042_SPARCIO_H
+
+#include <linux/config.h>
+#include <asm/io.h>
+
+#ifdef CONFIG_PCI
+#include <asm/oplib.h>
+#include <asm/ebus.h>
+#endif
+
+static int i8042_kbd_irq = -1;
+static int i8042_aux_irq = -1;
+#define I8042_KBD_IRQ i8042_kbd_irq
+#define I8042_AUX_IRQ i8042_aux_irq
+
+#define I8042_KBD_PHYS_DESC "sparcps2/serio0"
+#define I8042_AUX_PHYS_DESC "sparcps2/serio1"
+#define I8042_MUX_PHYS_DESC "sparcps2/serio%d"
+
+static void __iomem *kbd_iobase;
+
+#define I8042_COMMAND_REG       (kbd_iobase + 0x64UL)
+#define I8042_DATA_REG          (kbd_iobase + 0x60UL)
+
+static inline int i8042_read_data(void)
+{
+        return readb(kbd_iobase + 0x60UL);
+}
+
+static inline int i8042_read_status(void)
+{
+        return readb(kbd_iobase + 0x64UL);
+}
+
+static inline void i8042_write_data(int val)
+{
+        writeb(val, kbd_iobase + 0x60UL);
+}
+
+static inline void i8042_write_command(int val)
+{
+        writeb(val, kbd_iobase + 0x64UL);
+}
+
+#define OBP_PS2KBD_NAME1        "kb_ps2"
+#define OBP_PS2KBD_NAME2        "keyboard"
+#define OBP_PS2MS_NAME1         "kdmouse"
+#define OBP_PS2MS_NAME2         "mouse"
+
+static int i8042_platform_init(void)
+{
+#ifndef CONFIG_PCI
+        return -1;
+#else
+        char prop[128];
+        int len;
+
+        len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop));
+        if (len < 0) {
+                printk("i8042: Cannot get name property of root OBP node.\n");
+                return -1;
+        }
+        if (strncmp(prop, "SUNW,JavaStation-1", len) == 0) {
+                /* Hardcoded values for MrCoffee.  */
+                i8042_kbd_irq = i8042_aux_irq = 13 | 0x20;
+                kbd_iobase = ioremap(0x71300060, 8);
+                if (!kbd_iobase)
+                        return -1;
+        } else {
+                struct linux_ebus *ebus;
+                struct linux_ebus_device *edev;
+                struct linux_ebus_child *child;
+
+                for_each_ebus(ebus) {
+                        for_each_ebusdev(edev, ebus) {
+                                if (!strcmp(edev->prom_name, "8042"))
+                                        goto edev_found;
+                        }
+                }
+                return -1;
+
+        edev_found:
+                for_each_edevchild(edev, child) {
+                        if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) ||
+                            !strcmp(child->prom_name, OBP_PS2KBD_NAME2)) {
+                                i8042_kbd_irq = child->irqs[0];
+                                kbd_iobase =
+                                        ioremap(child->resource[0].start, 8);
+                        }
+                        if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) ||
+                            !strcmp(child->prom_name, OBP_PS2MS_NAME2))
+                                i8042_aux_irq = child->irqs[0];
+                }
+                if (i8042_kbd_irq == -1 ||
+                    i8042_aux_irq == -1) {
+                        printk("i8042: Error, 8042 device lacks both kbd and "
+                               "mouse nodes.\n");
+                        return -1;
+                }
+        }
+
+        i8042_reset = 1;
+
+        return 0;
+#endif /* CONFIG_PCI */
+}
+
+static inline void i8042_platform_exit(void)
+{
+#ifdef CONFIG_PCI
+        iounmap(kbd_iobase);
+#endif
+}
+
+#endif /* _I8042_SPARCIO_H */