xref: /openbmc/linux/drivers/input/mouse/hgpk.h (revision ecba1060)
1 /*
2  * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
3  */
4 
5 #ifndef _HGPK_H
6 #define _HGPK_H
7 
8 enum hgpk_model_t {
9 	HGPK_MODEL_PREA = 0x0a,	/* pre-B1s */
10 	HGPK_MODEL_A = 0x14,	/* found on B1s, PT disabled in hardware */
11 	HGPK_MODEL_B = 0x28,	/* B2s, has capacitance issues */
12 	HGPK_MODEL_C = 0x3c,
13 	HGPK_MODEL_D = 0x50,	/* C1, mass production */
14 };
15 
16 struct hgpk_data {
17 	struct psmouse *psmouse;
18 	int powered;
19 	int count, x_tally, y_tally;	/* hardware workaround stuff */
20 	unsigned long recalib_window;
21 	struct delayed_work recalib_wq;
22 };
23 
24 #define hgpk_dbg(psmouse, format, arg...)		\
25 	dev_dbg(&(psmouse)->ps2dev.serio->dev, format, ## arg)
26 #define hgpk_err(psmouse, format, arg...)		\
27 	dev_err(&(psmouse)->ps2dev.serio->dev, format, ## arg)
28 #define hgpk_info(psmouse, format, arg...)		\
29 	dev_info(&(psmouse)->ps2dev.serio->dev, format, ## arg)
30 #define hgpk_warn(psmouse, format, arg...)		\
31 	dev_warn(&(psmouse)->ps2dev.serio->dev, format, ## arg)
32 #define hgpk_notice(psmouse, format, arg...)		\
33 	dev_notice(&(psmouse)->ps2dev.serio->dev, format, ## arg)
34 
35 #ifdef CONFIG_MOUSE_PS2_OLPC
36 int hgpk_detect(struct psmouse *psmouse, int set_properties);
37 int hgpk_init(struct psmouse *psmouse);
38 #else
39 static inline int hgpk_detect(struct psmouse *psmouse, int set_properties)
40 {
41 	return -ENODEV;
42 }
43 static inline int hgpk_init(struct psmouse *psmouse)
44 {
45 	return -ENODEV;
46 }
47 #endif
48 
49 #endif
50