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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/input/mouse/hgpk.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/input/mouse/hgpk.h')
-rw-r--r-- | drivers/input/mouse/hgpk.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h new file mode 100644 index 000000000..ce041591f --- /dev/null +++ b/drivers/input/mouse/hgpk.h @@ -0,0 +1,61 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * OLPC HGPK (XO-1) touchpad PS/2 mouse driver + */ + +#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 */ + HGPK_MODEL_B = 0x28, /* B2s, has capacitance issues */ + HGPK_MODEL_C = 0x3c, + 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; + 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 */ +}; + +int hgpk_detect(struct psmouse *psmouse, bool set_properties); +int hgpk_init(struct psmouse *psmouse); + +#ifdef CONFIG_MOUSE_PS2_OLPC +void hgpk_module_init(void); +#else +static inline void hgpk_module_init(void) +{ +} +#endif + +#endif |