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Diffstat (limited to 'drivers/input/mouse/hgpk.h')
-rw-r--r--drivers/input/mouse/hgpk.h31
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h
index d61cfd3ee9cb..311c0e87fcbf 100644
--- a/drivers/input/mouse/hgpk.h
+++ b/drivers/input/mouse/hgpk.h
@@ -5,6 +5,9 @@
#ifndef _HGPK_H
#define _HGPK_H
+#define HGPK_GS 0xff /* The GlideSensor */
+#define HGPK_PT 0xcf /* The PenTablet */
+
enum hgpk_model_t {
HGPK_MODEL_PREA = 0x0a, /* pre-B1s */
HGPK_MODEL_A = 0x14, /* found on B1s, PT disabled in hardware */
@@ -13,12 +16,34 @@ enum hgpk_model_t {
HGPK_MODEL_D = 0x50, /* C1, mass production */
};
+enum hgpk_spew_flag {
+ NO_SPEW,
+ MAYBE_SPEWING,
+ SPEW_DETECTED,
+ RECALIBRATING,
+};
+
+#define SPEW_WATCH_COUNT 42 /* at 12ms/packet, this is 1/2 second */
+
+enum hgpk_mode {
+ HGPK_MODE_MOUSE,
+ HGPK_MODE_GLIDESENSOR,
+ HGPK_MODE_PENTABLET,
+ HGPK_MODE_INVALID
+};
+
struct hgpk_data {
struct psmouse *psmouse;
+ enum hgpk_mode mode;
bool powered;
- int count, x_tally, y_tally; /* hardware workaround stuff */
+ enum hgpk_spew_flag spew_flag;
+ int spew_count, x_tally, y_tally; /* spew detection */
unsigned long recalib_window;
struct delayed_work recalib_wq;
+ int abs_x, abs_y;
+ int dupe_count;
+ int xbigj, ybigj, xlast, ylast; /* jumpiness detection */
+ int xsaw_secondary, ysaw_secondary; /* jumpiness detection */
};
#define hgpk_dbg(psmouse, format, arg...) \
@@ -33,9 +58,13 @@ struct hgpk_data {
dev_notice(&(psmouse)->ps2dev.serio->dev, format, ## arg)
#ifdef CONFIG_MOUSE_PS2_OLPC
+void hgpk_module_init(void);
int hgpk_detect(struct psmouse *psmouse, bool set_properties);
int hgpk_init(struct psmouse *psmouse);
#else
+static inline void hgpk_module_init(void)
+{
+}
static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties)
{
return -ENODEV;