diff options
Diffstat (limited to 'drivers/input/mouse/elantech.c')
-rw-r--r-- | drivers/input/mouse/elantech.c | 325 |
1 files changed, 172 insertions, 153 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index a7f8b1614559..2d8434b7b623 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * 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. */ @@ -230,6 +227,52 @@ static void elantech_packet_dump(struct psmouse *psmouse) } /* + * Advertise INPUT_PROP_BUTTONPAD for clickpads. The testing of bit 12 in + * fw_version for this is based on the following fw_version & caps table: + * + * Laptop-model: fw_version: caps: buttons: + * Acer S3 0x461f00 10, 13, 0e clickpad + * Acer S7-392 0x581f01 50, 17, 0d clickpad + * Acer V5-131 0x461f02 01, 16, 0c clickpad + * Acer V5-551 0x461f00 ? clickpad + * Asus K53SV 0x450f01 78, 15, 0c 2 hw buttons + * Asus G46VW 0x460f02 00, 18, 0c 2 hw buttons + * Asus G750JX 0x360f00 00, 16, 0c 2 hw buttons + * Asus TP500LN 0x381f17 10, 14, 0e clickpad + * Asus X750JN 0x381f17 10, 14, 0e clickpad + * Asus UX31 0x361f00 20, 15, 0e clickpad + * Asus UX32VD 0x361f02 00, 15, 0e clickpad + * Avatar AVIU-145A2 0x361f00 ? clickpad + * Fujitsu CELSIUS H760 0x570f02 40, 14, 0c 3 hw buttons (**) + * Fujitsu CELSIUS H780 0x5d0f02 41, 16, 0d 3 hw buttons (**) + * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons + * Fujitsu LIFEBOOK E546 0x470f00 50, 12, 09 2 hw buttons + * Fujitsu LIFEBOOK E547 0x470f00 50, 12, 09 2 hw buttons + * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons + * Fujitsu LIFEBOOK E557 0x570f01 40, 14, 0c 2 hw buttons + * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons + * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) + * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons + * Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*) + * Lenovo L530 0x350f02 b9, 15, 0c 2 hw buttons (*) + * Samsung NF210 0x150b00 78, 14, 0a 2 hw buttons + * Samsung NP770Z5E 0x575f01 10, 15, 0f clickpad + * Samsung NP700Z5B 0x361f06 21, 15, 0f clickpad + * Samsung NP900X3E-A02 0x575f03 ? clickpad + * Samsung NP-QX410 0x851b00 19, 14, 0c clickpad + * Samsung RC512 0x450f00 08, 15, 0c 2 hw buttons + * Samsung RF710 0x450f00 ? 2 hw buttons + * System76 Pangolin 0x250f01 ? 2 hw buttons + * (*) + 3 trackpoint buttons + * (**) + 0 trackpoint buttons + * Note: Lenovo L430 and Lenovo L530 have the same fw_version/caps + */ +static inline int elantech_is_buttonpad(struct elantech_device_info *info) +{ + return info->fw_version & 0x001000; +} + +/* * Interpret complete data packets and report absolute mode input events for * hardware version 1. (4 byte packets) */ @@ -526,7 +569,7 @@ static void elantech_report_absolute_v3(struct psmouse *psmouse, input_report_key(dev, BTN_TOOL_TRIPLETAP, fingers == 3); /* For clickpads map both buttons to BTN_LEFT */ - if (etd->info.fw_version & 0x001000) + if (elantech_is_buttonpad(&etd->info)) input_report_key(dev, BTN_LEFT, packet[0] & 0x03); else psmouse_report_standard_buttons(dev, packet[0]); @@ -544,7 +587,7 @@ static void elantech_input_sync_v4(struct psmouse *psmouse) unsigned char *packet = psmouse->packet; /* For clickpads map both buttons to BTN_LEFT */ - if (etd->info.fw_version & 0x001000) + if (elantech_is_buttonpad(&etd->info)) input_report_key(dev, BTN_LEFT, packet[0] & 0x03); else psmouse_report_standard_buttons(dev, packet[0]); @@ -994,88 +1037,6 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse) return rc; } -static int elantech_set_range(struct psmouse *psmouse, - unsigned int *x_min, unsigned int *y_min, - unsigned int *x_max, unsigned int *y_max, - unsigned int *width) -{ - struct elantech_data *etd = psmouse->private; - struct elantech_device_info *info = &etd->info; - unsigned char param[3]; - unsigned char traces; - - switch (info->hw_version) { - case 1: - *x_min = ETP_XMIN_V1; - *y_min = ETP_YMIN_V1; - *x_max = ETP_XMAX_V1; - *y_max = ETP_YMAX_V1; - break; - - case 2: - if (info->fw_version == 0x020800 || - info->fw_version == 0x020b00 || - info->fw_version == 0x020030) { - *x_min = ETP_XMIN_V2; - *y_min = ETP_YMIN_V2; - *x_max = ETP_XMAX_V2; - *y_max = ETP_YMAX_V2; - } else { - int i; - int fixed_dpi; - - i = (info->fw_version > 0x020800 && - info->fw_version < 0x020900) ? 1 : 2; - - if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param)) - return -1; - - fixed_dpi = param[1] & 0x10; - - if (((info->fw_version >> 16) == 0x14) && fixed_dpi) { - if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, param)) - return -1; - - *x_max = (info->capabilities[1] - i) * param[1] / 2; - *y_max = (info->capabilities[2] - i) * param[2] / 2; - } else if (info->fw_version == 0x040216) { - *x_max = 819; - *y_max = 405; - } else if (info->fw_version == 0x040219 || info->fw_version == 0x040215) { - *x_max = 900; - *y_max = 500; - } else { - *x_max = (info->capabilities[1] - i) * 64; - *y_max = (info->capabilities[2] - i) * 64; - } - } - break; - - case 3: - if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param)) - return -1; - - *x_max = (0x0f & param[0]) << 8 | param[1]; - *y_max = (0xf0 & param[0]) << 4 | param[2]; - break; - - case 4: - if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param)) - return -1; - - *x_max = (0x0f & param[0]) << 8 | param[1]; - *y_max = (0xf0 & param[0]) << 4 | param[2]; - traces = info->capabilities[1]; - if ((traces < 2) || (traces > *x_max)) - return -1; - - *width = *x_max / (traces - 1); - break; - } - - return 0; -} - /* * (value from firmware) * 10 + 790 = dpi * we also have to convert dpi to dots/mm (*10/254 to avoid floating point) @@ -1102,53 +1063,12 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, return 0; } -/* - * Advertise INPUT_PROP_BUTTONPAD for clickpads. The testing of bit 12 in - * fw_version for this is based on the following fw_version & caps table: - * - * Laptop-model: fw_version: caps: buttons: - * Acer S3 0x461f00 10, 13, 0e clickpad - * Acer S7-392 0x581f01 50, 17, 0d clickpad - * Acer V5-131 0x461f02 01, 16, 0c clickpad - * Acer V5-551 0x461f00 ? clickpad - * Asus K53SV 0x450f01 78, 15, 0c 2 hw buttons - * Asus G46VW 0x460f02 00, 18, 0c 2 hw buttons - * Asus G750JX 0x360f00 00, 16, 0c 2 hw buttons - * Asus TP500LN 0x381f17 10, 14, 0e clickpad - * Asus X750JN 0x381f17 10, 14, 0e clickpad - * Asus UX31 0x361f00 20, 15, 0e clickpad - * Asus UX32VD 0x361f02 00, 15, 0e clickpad - * Avatar AVIU-145A2 0x361f00 ? clickpad - * Fujitsu CELSIUS H760 0x570f02 40, 14, 0c 3 hw buttons (**) - * Fujitsu CELSIUS H780 0x5d0f02 41, 16, 0d 3 hw buttons (**) - * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons - * Fujitsu LIFEBOOK E546 0x470f00 50, 12, 09 2 hw buttons - * Fujitsu LIFEBOOK E547 0x470f00 50, 12, 09 2 hw buttons - * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons - * Fujitsu LIFEBOOK E557 0x570f01 40, 14, 0c 2 hw buttons - * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons - * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) - * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons - * Lenovo L430 0x350f02 b9, 15, 0c 2 hw buttons (*) - * Lenovo L530 0x350f02 b9, 15, 0c 2 hw buttons (*) - * Samsung NF210 0x150b00 78, 14, 0a 2 hw buttons - * Samsung NP770Z5E 0x575f01 10, 15, 0f clickpad - * Samsung NP700Z5B 0x361f06 21, 15, 0f clickpad - * Samsung NP900X3E-A02 0x575f03 ? clickpad - * Samsung NP-QX410 0x851b00 19, 14, 0c clickpad - * Samsung RC512 0x450f00 08, 15, 0c 2 hw buttons - * Samsung RF710 0x450f00 ? 2 hw buttons - * System76 Pangolin 0x250f01 ? 2 hw buttons - * (*) + 3 trackpoint buttons - * (**) + 0 trackpoint buttons - * Note: Lenovo L430 and Lenovo L530 have the same fw_version/caps - */ static void elantech_set_buttonpad_prop(struct psmouse *psmouse) { struct input_dev *dev = psmouse->dev; struct elantech_data *etd = psmouse->private; - if (etd->info.fw_version & 0x001000) { + if (elantech_is_buttonpad(&etd->info)) { __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); __clear_bit(BTN_RIGHT, dev->keybit); } @@ -1184,14 +1104,6 @@ static const struct dmi_system_id elantech_dmi_has_middle_button[] = { { } }; -static const char * const middle_button_pnp_ids[] = { - "LEN2131", /* ThinkPad P52 w/ NFC */ - "LEN2132", /* ThinkPad P52 */ - "LEN2133", /* ThinkPad P72 w/ NFC */ - "LEN2134", /* ThinkPad P72 */ - NULL -}; - /* * Set the appropriate event bits for the input subsystem */ @@ -1200,10 +1112,9 @@ static int elantech_set_input_params(struct psmouse *psmouse) struct input_dev *dev = psmouse->dev; struct elantech_data *etd = psmouse->private; struct elantech_device_info *info = &etd->info; - unsigned int x_min = 0, y_min = 0, x_max = 0, y_max = 0, width = 0; - - if (elantech_set_range(psmouse, &x_min, &y_min, &x_max, &y_max, &width)) - return -1; + unsigned int x_min = info->x_min, y_min = info->y_min, + x_max = info->x_max, y_max = info->y_max, + width = info->width; __set_bit(INPUT_PROP_POINTER, dev->propbit); __set_bit(EV_KEY, dev->evbit); @@ -1211,8 +1122,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) __clear_bit(EV_REL, dev->evbit); __set_bit(BTN_LEFT, dev->keybit); - if (dmi_check_system(elantech_dmi_has_middle_button) || - psmouse_matches_pnp_id(psmouse, middle_button_pnp_ids)) + if (info->has_middle_button) __set_bit(BTN_MIDDLE, dev->keybit); __set_bit(BTN_RIGHT, dev->keybit); @@ -1687,6 +1597,7 @@ static int elantech_query_info(struct psmouse *psmouse, struct elantech_device_info *info) { unsigned char param[3]; + unsigned char traces; memset(info, 0, sizeof(*info)); @@ -1755,6 +1666,90 @@ static int elantech_query_info(struct psmouse *psmouse, } } + /* query range information */ + switch (info->hw_version) { + case 1: + info->x_min = ETP_XMIN_V1; + info->y_min = ETP_YMIN_V1; + info->x_max = ETP_XMAX_V1; + info->y_max = ETP_YMAX_V1; + break; + + case 2: + if (info->fw_version == 0x020800 || + info->fw_version == 0x020b00 || + info->fw_version == 0x020030) { + info->x_min = ETP_XMIN_V2; + info->y_min = ETP_YMIN_V2; + info->x_max = ETP_XMAX_V2; + info->y_max = ETP_YMAX_V2; + } else { + int i; + int fixed_dpi; + + i = (info->fw_version > 0x020800 && + info->fw_version < 0x020900) ? 1 : 2; + + if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param)) + return -EINVAL; + + fixed_dpi = param[1] & 0x10; + + if (((info->fw_version >> 16) == 0x14) && fixed_dpi) { + if (info->send_cmd(psmouse, ETP_SAMPLE_QUERY, param)) + return -EINVAL; + + info->x_max = (info->capabilities[1] - i) * param[1] / 2; + info->y_max = (info->capabilities[2] - i) * param[2] / 2; + } else if (info->fw_version == 0x040216) { + info->x_max = 819; + info->y_max = 405; + } else if (info->fw_version == 0x040219 || info->fw_version == 0x040215) { + info->x_max = 900; + info->y_max = 500; + } else { + info->x_max = (info->capabilities[1] - i) * 64; + info->y_max = (info->capabilities[2] - i) * 64; + } + } + break; + + case 3: + if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param)) + return -EINVAL; + + info->x_max = (0x0f & param[0]) << 8 | param[1]; + info->y_max = (0xf0 & param[0]) << 4 | param[2]; + break; + + case 4: + if (info->send_cmd(psmouse, ETP_FW_ID_QUERY, param)) + return -EINVAL; + + info->x_max = (0x0f & param[0]) << 8 | param[1]; + info->y_max = (0xf0 & param[0]) << 4 | param[2]; + traces = info->capabilities[1]; + if ((traces < 2) || (traces > info->x_max)) + return -EINVAL; + + info->width = info->x_max / (traces - 1); + + /* column number of traces */ + info->x_traces = traces; + + /* row number of traces */ + traces = info->capabilities[2]; + if ((traces >= 2) && (traces <= info->y_max)) + info->y_traces = traces; + + break; + } + + /* check for the middle button: DMI matching or new v4 firmwares */ + info->has_middle_button = dmi_check_system(elantech_dmi_has_middle_button) || + (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version) && + !elantech_is_buttonpad(info)); + return 0; } @@ -1781,10 +1776,6 @@ static const char * const i2c_blacklist_pnp_ids[] = { * These are known to not be working properly as bits are missing * in elan_i2c. */ - "LEN2131", /* ThinkPad P52 w/ NFC */ - "LEN2132", /* ThinkPad P52 */ - "LEN2133", /* ThinkPad P72 w/ NFC */ - "LEN2134", /* ThinkPad P72 */ NULL }; @@ -1792,17 +1783,45 @@ static int elantech_create_smbus(struct psmouse *psmouse, struct elantech_device_info *info, bool leave_breadcrumbs) { - const struct property_entry i2c_properties[] = { - PROPERTY_ENTRY_BOOL("elan,trackpoint"), - { }, - }; + struct property_entry i2c_props[11] = {}; struct i2c_board_info smbus_board = { I2C_BOARD_INFO("elan_i2c", 0x15), .flags = I2C_CLIENT_HOST_NOTIFY, }; + unsigned int idx = 0; + + smbus_board.properties = i2c_props; + + i2c_props[idx++] = PROPERTY_ENTRY_U32("touchscreen-size-x", + info->x_max + 1); + i2c_props[idx++] = PROPERTY_ENTRY_U32("touchscreen-size-y", + info->y_max + 1); + i2c_props[idx++] = PROPERTY_ENTRY_U32("touchscreen-min-x", + info->x_min); + i2c_props[idx++] = PROPERTY_ENTRY_U32("touchscreen-min-y", + info->y_min); + if (info->x_res) + i2c_props[idx++] = PROPERTY_ENTRY_U32("touchscreen-x-mm", + (info->x_max + 1) / info->x_res); + if (info->y_res) + i2c_props[idx++] = PROPERTY_ENTRY_U32("touchscreen-y-mm", + (info->y_max + 1) / info->y_res); if (info->has_trackpoint) - smbus_board.properties = i2c_properties; + i2c_props[idx++] = PROPERTY_ENTRY_BOOL("elan,trackpoint"); + + if (info->has_middle_button) + i2c_props[idx++] = PROPERTY_ENTRY_BOOL("elan,middle-button"); + + if (info->x_traces) + i2c_props[idx++] = PROPERTY_ENTRY_U32("elan,x_traces", + info->x_traces); + if (info->y_traces) + i2c_props[idx++] = PROPERTY_ENTRY_U32("elan,y_traces", + info->y_traces); + + if (elantech_is_buttonpad(info)) + i2c_props[idx++] = PROPERTY_ENTRY_BOOL("elan,clickpad"); return psmouse_smbus_init(psmouse, &smbus_board, NULL, 0, false, leave_breadcrumbs); |