diff options
Diffstat (limited to 'drivers/input/mouse/elantech.h')
| -rw-r--r-- | drivers/input/mouse/elantech.h | 69 |
1 files changed, 58 insertions, 11 deletions
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h index e1cbf409d9c8..119727085a60 100644 --- a/drivers/input/mouse/elantech.h +++ b/drivers/input/mouse/elantech.h @@ -107,6 +107,30 @@ #define ETP_WEIGHT_VALUE 5 /* + * Bus information on 3rd byte of query ETP_RESOLUTION_QUERY(0x04) + */ +#define ETP_BUS_PS2_ONLY 0 +#define ETP_BUS_SMB_ALERT_ONLY 1 +#define ETP_BUS_SMB_HST_NTFY_ONLY 2 +#define ETP_BUS_PS2_SMB_ALERT 3 +#define ETP_BUS_PS2_SMB_HST_NTFY 4 + +/* + * New ICs are either using SMBus Host Notify or just plain PS2. + * + * ETP_FW_VERSION_QUERY is: + * Byte 1: + * - bit 0..3: IC BODY + * Byte 2: + * - bit 4: HiddenButton + * - bit 5: PS2_SMBUS_NOTIFY + * - bit 6: PS2CRCCheck + */ +#define ETP_NEW_IC_SMBUS_HOST_NOTIFY(fw_version) \ + ((((fw_version) & 0x0f2000) == 0x0f2000) && \ + ((fw_version) & 0x0000ff) > 0) + +/* * The base position for one finger, v4 hardware */ struct finger_pos { @@ -114,6 +138,25 @@ struct finger_pos { unsigned int y; }; +struct elantech_device_info { + unsigned char capabilities[3]; + unsigned char samples[3]; + unsigned char debug; + unsigned char hw_version; + unsigned int fw_version; + unsigned int x_res; + unsigned int y_res; + unsigned int bus; + bool paritycheck; + bool jumpy_cursor; + bool reports_pressure; + bool crc_enabled; + bool set_hw_resolution; + bool has_trackpoint; + int (*send_cmd)(struct psmouse *psmouse, unsigned char c, + unsigned char *param); +}; + struct elantech_data { struct input_dev *tp_dev; /* Relative device for trackpoint */ char tp_phys[32]; @@ -127,27 +170,18 @@ struct elantech_data { unsigned char reg_24; unsigned char reg_25; unsigned char reg_26; - unsigned char debug; - unsigned char capabilities[3]; - unsigned char samples[3]; - bool paritycheck; - bool jumpy_cursor; - bool reports_pressure; - bool crc_enabled; - bool set_hw_resolution; - unsigned char hw_version; - unsigned int fw_version; unsigned int single_finger_reports; unsigned int y_max; unsigned int width; struct finger_pos mt[ETP_MAX_FINGERS]; unsigned char parity[256]; - int (*send_cmd)(struct psmouse *psmouse, unsigned char c, unsigned char *param); + struct elantech_device_info info; void (*original_set_rate)(struct psmouse *psmouse, unsigned int rate); }; #ifdef CONFIG_MOUSE_PS2_ELANTECH int elantech_detect(struct psmouse *psmouse, bool set_properties); +int elantech_init_ps2(struct psmouse *psmouse); int elantech_init(struct psmouse *psmouse); #else static inline int elantech_detect(struct psmouse *psmouse, bool set_properties) @@ -158,6 +192,19 @@ static inline int elantech_init(struct psmouse *psmouse) { return -ENOSYS; } +static inline int elantech_init_ps2(struct psmouse *psmouse) +{ + return -ENOSYS; +} #endif /* CONFIG_MOUSE_PS2_ELANTECH */ +#if defined(CONFIG_MOUSE_PS2_ELANTECH_SMBUS) +int elantech_init_smbus(struct psmouse *psmouse); +#else +static inline int elantech_init_smbus(struct psmouse *psmouse) +{ + return -ENOSYS; +} +#endif /* CONFIG_MOUSE_PS2_ELANTECH_SMBUS */ + #endif |