1 files changed, 49 insertions, 0 deletions

diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h
new file mode 100644
index 000000000000..a4b2a96f5f54
--- /dev/null
+++ b/drivers/input/mouse/hgpk.h
@@ -0,0 +1,49 @@
+/*
+ * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
+ */
+
+#ifndef _HGPK_H
+#define _HGPK_H
+
+enum hgpk_model_t {
+        HGPK_MODEL_PREA = 0x0a, /* pre-B1s */
+        HGPK_MODEL_A = 0x14,    /* found on B1s, PT disabled in hardware */
+        HGPK_MODEL_B = 0x28,    /* B2s, has capacitance issues */
+        HGPK_MODEL_C = 0x3c,
+        HGPK_MODEL_D = 0x50,    /* C1, mass production */
+};
+
+struct hgpk_data {
+        struct psmouse *psmouse;
+        int powered;
+        int count, x_tally, y_tally;    /* hardware workaround stuff */
+        unsigned long recalib_window;
+        struct delayed_work recalib_wq;
+};
+
+#define hgpk_dbg(psmouse, format, arg...)               \
+        dev_dbg(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_err(psmouse, format, arg...)               \
+        dev_err(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_info(psmouse, format, arg...)              \
+        dev_info(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_warn(psmouse, format, arg...)              \
+        dev_warn(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+#define hgpk_notice(psmouse, format, arg...)            \
+        dev_notice(&(psmouse)->ps2dev.serio->dev, format, ## arg)
+
+#ifdef CONFIG_MOUSE_PS2_OLPC
+int hgpk_detect(struct psmouse *psmouse, int set_properties);
+int hgpk_init(struct psmouse *psmouse);
+#else
+static inline int hgpk_detect(struct psmouse *psmouse, int set_properties)
+{
+        return -ENODEV;
+}
+static inline int hgpk_init(struct psmouse *psmouse)
+{
+        return -ENODEV;
+}
+#endif
+
+#endif