/* * Elantech Touchpad driver (v6) * * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * Trademarks are the property of their respective owners. */ #ifndef _ELANTECH_H #define _ELANTECH_H /* * Command values for Synaptics style queries */ #define ETP_FW_ID_QUERY 0x00 #define ETP_FW_VERSION_QUERY 0x01 #define ETP_CAPABILITIES_QUERY 0x02 #define ETP_SAMPLE_QUERY 0x03 #define ETP_RESOLUTION_QUERY 0x04 /* * Command values for register reading or writing */ #define ETP_REGISTER_READ 0x10 #define ETP_REGISTER_WRITE 0x11 #define ETP_REGISTER_READWRITE 0x00 /* * Hardware version 2 custom PS/2 command value */ #define ETP_PS2_CUSTOM_COMMAND 0xf8 /* * Times to retry a ps2_command and millisecond delay between tries */ #define ETP_PS2_COMMAND_TRIES 3 #define ETP_PS2_COMMAND_DELAY 500 /* * Times to try to read back a register and millisecond delay between tries */ #define ETP_READ_BACK_TRIES 5 #define ETP_READ_BACK_DELAY 2000 /* * Register bitmasks for hardware version 1 */ #define ETP_R10_ABSOLUTE_MODE 0x04 #define ETP_R11_4_BYTE_MODE 0x02 /* * Capability bitmasks */ #define ETP_CAP_HAS_ROCKER 0x04 /* * One hard to find application note states that X axis range is 0 to 576 * and Y axis range is 0 to 384 for harware version 1. * Edge fuzz might be necessary because of bezel around the touchpad */ #define ETP_EDGE_FUZZ_V1 32 #define ETP_XMIN_V1 ( 0 + ETP_EDGE_FUZZ_V1) #define ETP_XMAX_V1 (576 - ETP_EDGE_FUZZ_V1) #define ETP_YMIN_V1 ( 0 + ETP_EDGE_FUZZ_V1) #define ETP_YMAX_V1 (384 - ETP_EDGE_FUZZ_V1) /* * The resolution for older v2 hardware doubled. * (newer v2's firmware provides command so we can query) */ #define ETP_XMIN_V2 0 #define ETP_XMAX_V2 1152 #define ETP_YMIN_V2 0 #define ETP_YMAX_V2 768 #define ETP_PMIN_V2 0 #define ETP_PMAX_V2 255 #define ETP_WMIN_V2 0 #define ETP_WMAX_V2 15 /* * v3 hardware has 2 kinds of packet types, * v4 hardware has 3. */ #define PACKET_UNKNOWN 0x01 #define PACKET_DEBOUNCE 0x02 #define PACKET_V3_HEAD 0x03 #define PACKET_V3_TAIL 0x04 #define PACKET_V4_HEAD 0x05 #define PACKET_V4_MOTION 0x06 #define PACKET_V4_STATUS 0x07 #define PACKET_TRACKPOINT 0x08 /* * track up to 5 fingers for v4 hardware */ #define ETP_MAX_FINGERS 5 /* * weight value for v4 hardware */ #define ETP_WEIGHT_VALUE 5 /* * The base position for one finger, v4 hardware */ struct finger_pos { unsigned int x; unsigned int y; }; struct elantech_data { struct input_dev *tp_dev; /* Relative device for trackpoint */ char tp_phys[32]; unsigned char reg_07; unsigned char reg_10; unsigned char reg_11; unsigned char reg_20; unsigned char reg_21; unsigned char reg_22; unsigned char reg_23; 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); 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(struct psmouse *psmouse); #else
static inline int elantech_detect(struct psmouse *psmouse, bool set_properties) { return -ENOSYS; }Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| arjan opmeer | arjan opmeer | 18 | 94.74% | 1 | 50.00% |
| dmitry torokhov | dmitry torokhov | 1 | 5.26% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp | |
| arjan opmeer | arjan opmeer | 16 | 100.00% | 1 | 100.00% |
| Total | 16 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp | |
| arjan opmeer | arjan opmeer | 223 | 53.61% | 2 | 11.11% |
| jj ding | jj ding | 117 | 28.12% | 7 | 38.89% |
| ulrik de bie | ulrik de bie | 32 | 7.69% | 2 | 11.11% |
| eric piel | eric piel | 25 | 6.01% | 2 | 11.11% |
| duson lin | duson lin | 7 | 1.68% | 1 | 5.56% |
| dmitry torokhov | dmitry torokhov | 6 | 1.44% | 2 | 11.11% |
| matteo delfino | matteo delfino | 3 | 0.72% | 1 | 5.56% |
| hans de goede | hans de goede | 3 | 0.72% | 1 | 5.56% |
| Total | 416 | 100.00% | 18 | 100.00% |