projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| df08ef27 AS |
1 | /* |
| 2 | * OLPC HGPK (XO-1) touchpad PS/2 mouse driver | |
| 3 | */ | |
| 4 | ||
| 5 | #ifndef _HGPK_H | |
| 6 | #define _HGPK_H | |
| 7 | ||
| ca94ec43 DD |
8 | #define HGPK_GS 0xff /* The GlideSensor */ |
| 9 | #define HGPK_PT 0xcf /* The PenTablet */ | |
| 10 | ||
| df08ef27 AS |
11 | enum 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 | ||
| c0dc8342 DD |
19 | enum 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 | ||
| ca94ec43 DD |
28 | enum hgpk_mode { |
| 29 | HGPK_MODE_MOUSE, | |
| 30 | HGPK_MODE_GLIDESENSOR, | |
| 31 | HGPK_MODE_PENTABLET, | |
| 32 | HGPK_MODE_INVALID | |
| 33 | }; | |
| 34 | ||
| df08ef27 AS |
35 | struct hgpk_data { |
| 36 | struct psmouse *psmouse; | |
| ca94ec43 | 37 | enum hgpk_mode mode; |
| b7802c5c | 38 | bool powered; |
| c0dc8342 DD |
39 | enum hgpk_spew_flag spew_flag; |
| 40 | int spew_count, x_tally, y_tally; /* spew detection */ | |
| df08ef27 AS |
41 | unsigned long recalib_window; |
| 42 | struct delayed_work recalib_wq; | |
| ca94ec43 | 43 | int abs_x, abs_y; |
| c0dc8342 | 44 | int dupe_count; |
| a309cdc7 DD |
45 | int xbigj, ybigj, xlast, ylast; /* jumpiness detection */ |
| 46 | int xsaw_secondary, ysaw_secondary; /* jumpiness detection */ | |
| df08ef27 AS |
47 | }; |
| 48 | ||
| df08ef27 | 49 | #ifdef CONFIG_MOUSE_PS2_OLPC |
| ca94ec43 | 50 | void hgpk_module_init(void); |
| b7802c5c | 51 | int hgpk_detect(struct psmouse *psmouse, bool set_properties); |
| df08ef27 AS |
52 | int hgpk_init(struct psmouse *psmouse); |
| 53 | #else | |
| ca94ec43 DD |
54 | static inline void hgpk_module_init(void) |
| 55 | { | |
| 56 | } | |
| b7802c5c | 57 | static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties) |
| df08ef27 AS |
58 | { |
| 59 | return -ENODEV; | |
| 60 | } | |
| 61 | static inline int hgpk_init(struct psmouse *psmouse) | |
| 62 | { | |
| 63 | return -ENODEV; | |
| 64 | } | |
| 65 | #endif | |
| 66 | ||
| 67 | #endif |