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Release 4.11 drivers/input/mouse/hgpk.h

/*
 * 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 */
};

#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) { }

Contributors

PersonTokensPropCommitsCommitProp
Daniel Drake8100.00%1100.00%
Total8100.00%1100.00%


static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties) { return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Andres Salomon1894.74%150.00%
Dmitry Torokhov15.26%150.00%
Total19100.00%2100.00%


static inline int hgpk_init(struct psmouse *psmouse) { return -ENODEV; }

Contributors

PersonTokensPropCommitsCommitProp
Andres Salomon16100.00%1100.00%
Total16100.00%1100.00%

#endif #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Andres Salomon12558.14%120.00%
Daniel Drake8740.47%360.00%
Dmitry Torokhov31.40%120.00%
Total215100.00%5100.00%
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