1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
 4 */
 5
 6#ifndef _HGPK_H
 7#define _HGPK_H
 8
 9#define HGPK_GS		0xff       /* The GlideSensor */
10#define HGPK_PT		0xcf       /* The PenTablet */
11
12enum hgpk_model_t {
13	HGPK_MODEL_PREA = 0x0a,	/* pre-B1s */
14	HGPK_MODEL_A = 0x14,	/* found on B1s, PT disabled in hardware */
15	HGPK_MODEL_B = 0x28,	/* B2s, has capacitance issues */
16	HGPK_MODEL_C = 0x3c,
17	HGPK_MODEL_D = 0x50,	/* C1, mass production */
18};
19
20enum hgpk_spew_flag {
21	NO_SPEW,
22	MAYBE_SPEWING,
23	SPEW_DETECTED,
24	RECALIBRATING,
25};
26
27#define SPEW_WATCH_COUNT 42  /* at 12ms/packet, this is 1/2 second */
28
29enum hgpk_mode {
30	HGPK_MODE_MOUSE,
31	HGPK_MODE_GLIDESENSOR,
32	HGPK_MODE_PENTABLET,
33	HGPK_MODE_INVALID
34};
35
36struct hgpk_data {
37	struct psmouse *psmouse;
38	enum hgpk_mode mode;
39	bool powered;
40	enum hgpk_spew_flag spew_flag;
41	int spew_count, x_tally, y_tally;	/* spew detection */
42	unsigned long recalib_window;
43	struct delayed_work recalib_wq;
44	int abs_x, abs_y;
45	int dupe_count;
46	int xbigj, ybigj, xlast, ylast; /* jumpiness detection */
47	int xsaw_secondary, ysaw_secondary; /* jumpiness detection */
48};
49
50int hgpk_detect(struct psmouse *psmouse, bool set_properties);
51int hgpk_init(struct psmouse *psmouse);
52
53#ifdef CONFIG_MOUSE_PS2_OLPC
54void hgpk_module_init(void);
 
 
55#else
56static inline void hgpk_module_init(void)
57{
 
 
 
 
 
 
 
 
58}
59#endif
60
61#endif

 
 1/*
 2 * OLPC HGPK (XO-1) touchpad PS/2 mouse driver
 3 */
 4
 5#ifndef _HGPK_H
 6#define _HGPK_H
 7
 8#define HGPK_GS		0xff       /* The GlideSensor */
 9#define HGPK_PT		0xcf       /* The PenTablet */
10
11enum hgpk_model_t {
12	HGPK_MODEL_PREA = 0x0a,	/* pre-B1s */
13	HGPK_MODEL_A = 0x14,	/* found on B1s, PT disabled in hardware */
14	HGPK_MODEL_B = 0x28,	/* B2s, has capacitance issues */
15	HGPK_MODEL_C = 0x3c,
16	HGPK_MODEL_D = 0x50,	/* C1, mass production */
17};
18
19enum hgpk_spew_flag {
20	NO_SPEW,
21	MAYBE_SPEWING,
22	SPEW_DETECTED,
23	RECALIBRATING,
24};
25
26#define SPEW_WATCH_COUNT 42  /* at 12ms/packet, this is 1/2 second */
27
28enum hgpk_mode {
29	HGPK_MODE_MOUSE,
30	HGPK_MODE_GLIDESENSOR,
31	HGPK_MODE_PENTABLET,
32	HGPK_MODE_INVALID
33};
34
35struct hgpk_data {
36	struct psmouse *psmouse;
37	enum hgpk_mode mode;
38	bool powered;
39	enum hgpk_spew_flag spew_flag;
40	int spew_count, x_tally, y_tally;	/* spew detection */
41	unsigned long recalib_window;
42	struct delayed_work recalib_wq;
43	int abs_x, abs_y;
44	int dupe_count;
45	int xbigj, ybigj, xlast, ylast; /* jumpiness detection */
46	int xsaw_secondary, ysaw_secondary; /* jumpiness detection */
47};
48
 
 
 
49#ifdef CONFIG_MOUSE_PS2_OLPC
50void hgpk_module_init(void);
51int hgpk_detect(struct psmouse *psmouse, bool set_properties);
52int hgpk_init(struct psmouse *psmouse);
53#else
54static inline void hgpk_module_init(void)
55{
56}
57static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties)
58{
59	return -ENODEV;
60}
61static inline int hgpk_init(struct psmouse *psmouse)
62{
63	return -ENODEV;
64}
65#endif
66
67#endif