diff options
Diffstat (limited to 'drivers/input/mouse/synaptics.h')
-rw-r--r-- | drivers/input/mouse/synaptics.h | 52 |
1 files changed, 45 insertions, 7 deletions
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index 7453938..6cf156d 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -19,7 +19,8 @@ #define SYN_QUE_RESOLUTION 0x08 #define SYN_QUE_EXT_CAPAB 0x09 #define SYN_QUE_EXT_CAPAB_0C 0x0c -#define SYN_QUE_EXT_DIMENSIONS 0x0d +#define SYN_QUE_EXT_MAX_COORDS 0x0d +#define SYN_QUE_EXT_MIN_COORDS 0x0f /* synatics modes */ #define SYN_BIT_ABSOLUTE_MODE (1 << 7) @@ -66,18 +67,26 @@ * 1 0x60 multifinger mode identifies firmware finger counting * (not reporting!) algorithm. * Not particularly meaningful - * 1 0x80 covered pad W clipped to 14, 15 == pad mostly covered - * 2 0x01 clickpad bit 1 2-button ClickPad - * 2 0x02 deluxe LED controls touchpad support LED commands + * 1 0x80 covered pad W clipped to 14, 15 == pad mostly covered + * 2 0x01 clickpad bit 1 2-button ClickPad + * 2 0x02 deluxe LED controls touchpad support LED commands * ala multimedia control bar * 2 0x04 reduced filtering firmware does less filtering on * position data, driver should watch * for noise. + * 2 0x08 image sensor image sensor tracks 5 fingers, but only + * reports 2. + * 2 0x01 uniform clickpad whole clickpad moves instead of being + * hinged at the top. + * 2 0x20 report min query 0x0f gives min coord reported */ #define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ #define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ #define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000) +#define SYN_CAP_MIN_DIMENSIONS(ex0c) ((ex0c) & 0x002000) #define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000) +#define SYN_CAP_REDUCED_FILTERING(ex0c) ((ex0c) & 0x000400) +#define SYN_CAP_IMAGE_SENSOR(ex0c) ((ex0c) & 0x000800) /* synaptics modes query bits */ #define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) @@ -104,10 +113,22 @@ #define SYN_NEWABS_RELAXED 2 #define SYN_OLDABS 3 +/* amount to fuzz position data when touchpad reports reduced filtering */ +#define SYN_REDUCED_FILTER_FUZZ 8 + /* - * A structure to describe the state of the touchpad hardware (buttons and pad) + * A structure to describe which internal touchpad finger slots are being + * reported in raw packets. */ +struct synaptics_mt_state { + int count; /* num fingers being tracked */ + int sgm; /* which slot is reported by sgm pkt */ + int agm; /* which slot is reported by agm pkt*/ +}; +/* + * A structure to describe the state of the touchpad hardware (buttons and pad) + */ struct synaptics_hw_state { int x; int y; @@ -120,6 +141,9 @@ struct synaptics_hw_state { unsigned int down:1; unsigned char ext_buttons; signed char scroll; + + /* As reported in last AGM-CONTACT packets */ + struct synaptics_mt_state mt_state; }; struct synaptics_data { @@ -130,7 +154,8 @@ struct synaptics_data { unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */ unsigned long int identity; /* Identification */ unsigned int x_res, y_res; /* X/Y resolution in units/mm */ - unsigned int x_max, y_max; /* Max dimensions (from FW) */ + unsigned int x_max, y_max; /* Max coordinates (from FW) */ + unsigned int x_min, y_min; /* Min coordinates (from FW) */ unsigned char pkt_type; /* packet type - old, new, etc */ unsigned char mode; /* current mode byte */ @@ -138,7 +163,20 @@ struct synaptics_data { struct serio *pt_port; /* Pass-through serio port */ - struct synaptics_hw_state mt; /* current gesture packet */ + struct synaptics_mt_state mt_state; /* Current mt finger state */ + bool mt_state_lost; /* mt_state may be incorrect */ + + /* + * Last received Advanced Gesture Mode (AGM) packet. An AGM packet + * contains position data for a second contact, at half resolution. + */ + struct synaptics_hw_state agm; + bool agm_pending; /* new AGM packet received */ + + /* ForcePad handling */ + unsigned long press_start; + bool press; + bool report_press; }; void synaptics_module_init(void); |