drivers/staging/frontier/alphatrack.h

#define show_set_bit(a) show_set_mbit(alphatrack,a)
#define show_set_cmd(a) show_set_mcmd(alphatrack,a)
#define show_set_int(a) show_set_mint(alphatrack,a)
#define show_set_char(a) show_set_mchar(alphatrack,a)
#define show_set_light(a) show_set_ebit(alphatrack,LightID,lights,a)
#define show_set_button(a) show_set_ebit(alphatrack,ButtonID,button,a)

struct alphatrack_icmd {
    unsigned char cmd[12];
};

struct alphatrack_ocmd {
    unsigned char cmd[8];
};

enum LightID {
        LIGHT_EQ = 0,
        LIGHT_OUT,
        LIGHT_F2,
        LIGHT_SEND,
        LIGHT_IN,
        LIGHT_F1,
        LIGHT_PAN,
        LIGHT_UNDEF1,
        LIGHT_UNDEF2,
        LIGHT_SHIFT,
        LIGHT_TRACKMUTE,
        LIGHT_TRACKSOLO,
        LIGHT_TRACKREC,
        LIGHT_READ,
        LIGHT_WRITE,
        LIGHT_ANYSOLO,
        LIGHT_AUTO,
        LIGHT_F4,
        LIGHT_RECORD,
        LIGHT_WINDOW,
        LIGHT_PLUGIN,
        LIGHT_F3,
        LIGHT_LOOP
};

#define BUTTONMASK_BATTERY     0x00004000
#define BUTTONMASK_BACKLIGHT   0x00008000
#define BUTTONMASK_FASTFORWARD 0x04000000
#define BUTTONMASK_TRACKMUTE   0x00040000
#define BUTTONMASK_TRACKSOLO   0x00800000
#define BUTTONMASK_TRACKLEFT   0x80000000
#define BUTTONMASK_RECORD      0x02000000
#define BUTTONMASK_SHIFT       0x20000000
#define BUTTONMASK_PUNCH       0x00800000
#define BUTTONMASK_TRACKRIGHT  0x00020000
#define BUTTONMASK_REWIND      0x01000000
#define BUTTONMASK_STOP        0x10000000
#define BUTTONMASK_LOOP        0x00010000
#define BUTTONMASK_TRACKREC    0x00001000
#define BUTTONMASK_PLAY        0x08000000
#define BUTTONMASK_TOUCH1      0x00000008
#define BUTTONMASK_TOUCH2      0x00000010
#define BUTTONMASK_TOUCH3      0x00000020

#define BUTTONMASK_PRESS1      0x00000009
#define BUTTONMASK_PRESS2      0x00008010
#define BUTTONMASK_PRESS3      0x00002020

// last 3 bytes are the slider position
// 40 is the actual slider moving, the most sig bits, and 3 lsb

#define BUTTONMASK_FLIP         0x40000000
#define BUTTONMASK_F1           0x00100000
#define BUTTONMASK_F2           0x00400000
#define BUTTONMASK_F3           0x00200000
#define BUTTONMASK_F4           0x00080000
#define BUTTONMASK_PAN          0x00000200
#define BUTTONMASK_SEND         0x00000800
#define BUTTONMASK_EQ           0x00004000
#define BUTTONMASK_PLUGIN       0x00000400
#define BUTTONMASK_AUTO         0x00000100


// #define BUTTONMASK_FOOTSWITCH FIXME

// Lookup. name. midi out. midi in.

struct buttonmap_t {
	u32 mask;
	short midi_in;
	short midi_out;
	char *name;
//  	void (*function) (buttonmap_t *);
  	void (*function) (void);
};