Contributors: 5
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Andres Salomon | 
          88 | 
          48.62% | 
          1 | 
          14.29% | 
        
        
          | Daniel Drake | 
          81 | 
          44.75% | 
          3 | 
          42.86% | 
        
        
          | Hui Wang | 
          9 | 
          4.97% | 
          1 | 
          14.29% | 
        
        
          | Dmitry Torokhov | 
          2 | 
          1.10% | 
          1 | 
          14.29% | 
        
        
          | Greg Kroah-Hartman | 
          1 | 
          0.55% | 
          1 | 
          14.29% | 
        
	  
	  
        
          | Total | 
          181 | 
           | 
          7 | 
           | 
	    
	  
    
 
/* 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