diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/mouse/synaptics.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/input/mouse/synaptics.c | 1536 |
1 files changed, 0 insertions, 1536 deletions
diff --git a/ANDROID_3.4.5/drivers/input/mouse/synaptics.c b/ANDROID_3.4.5/drivers/input/mouse/synaptics.c deleted file mode 100644 index a4b14a41..00000000 --- a/ANDROID_3.4.5/drivers/input/mouse/synaptics.c +++ /dev/null @@ -1,1536 +0,0 @@ -/* - * Synaptics TouchPad PS/2 mouse driver - * - * 2003 Dmitry Torokhov <dtor@mail.ru> - * Added support for pass-through port. Special thanks to Peter Berg Larsen - * for explaining various Synaptics quirks. - * - * 2003 Peter Osterlund <petero2@telia.com> - * Ported to 2.5 input device infrastructure. - * - * Copyright (C) 2001 Stefan Gmeiner <riddlebox@freesurf.ch> - * start merging tpconfig and gpm code to a xfree-input module - * adding some changes and extensions (ex. 3rd and 4th button) - * - * Copyright (c) 1997 C. Scott Ananian <cananian@alumni.priceton.edu> - * Copyright (c) 1998-2000 Bruce Kalk <kall@compass.com> - * code for the special synaptics commands (from the tpconfig-source) - * - * 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. - */ - -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/dmi.h> -#include <linux/input/mt.h> -#include <linux/serio.h> -#include <linux/libps2.h> -#include <linux/slab.h> -#include "psmouse.h" -#include "synaptics.h" - -/* - * The x/y limits are taken from the Synaptics TouchPad interfacing Guide, - * section 2.3.2, which says that they should be valid regardless of the - * actual size of the sensor. - * Note that newer firmware allows querying device for maximum useable - * coordinates. - */ -#define XMIN_NOMINAL 1472 -#define XMAX_NOMINAL 5472 -#define YMIN_NOMINAL 1408 -#define YMAX_NOMINAL 4448 - -/* - * Synaptics touchpads report the y coordinate from bottom to top, which is - * opposite from what userspace expects. - * This function is used to invert y before reporting. - */ -static int synaptics_invert_y(int y) -{ - return YMAX_NOMINAL + YMIN_NOMINAL - y; -} - - -/***************************************************************************** - * Stuff we need even when we do not want native Synaptics support - ****************************************************************************/ - -/* - * Set the synaptics touchpad mode byte by special commands - */ -static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode) -{ - unsigned char param[1]; - - if (psmouse_sliced_command(psmouse, mode)) - return -1; - param[0] = SYN_PS_SET_MODE2; - if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE)) - return -1; - return 0; -} - -int synaptics_detect(struct psmouse *psmouse, bool set_properties) -{ - struct ps2dev *ps2dev = &psmouse->ps2dev; - unsigned char param[4]; - - param[0] = 0; - - ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); - ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); - ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); - ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES); - ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO); - - if (param[1] != 0x47) - return -ENODEV; - - if (set_properties) { - psmouse->vendor = "Synaptics"; - psmouse->name = "TouchPad"; - } - - return 0; -} - -void synaptics_reset(struct psmouse *psmouse) -{ - /* reset touchpad back to relative mode, gestures enabled */ - synaptics_mode_cmd(psmouse, 0); -} - -#ifdef CONFIG_MOUSE_PS2_SYNAPTICS - -/***************************************************************************** - * Synaptics communications functions - ****************************************************************************/ - -/* - * Send a command to the synpatics touchpad by special commands - */ -static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param) -{ - if (psmouse_sliced_command(psmouse, c)) - return -1; - if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO)) - return -1; - return 0; -} - -/* - * Read the model-id bytes from the touchpad - * see also SYN_MODEL_* macros - */ -static int synaptics_model_id(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - unsigned char mi[3]; - - if (synaptics_send_cmd(psmouse, SYN_QUE_MODEL, mi)) - return -1; - priv->model_id = (mi[0]<<16) | (mi[1]<<8) | mi[2]; - return 0; -} - -/* - * Read the capability-bits from the touchpad - * see also the SYN_CAP_* macros - */ -static int synaptics_capability(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - unsigned char cap[3]; - - if (synaptics_send_cmd(psmouse, SYN_QUE_CAPABILITIES, cap)) - return -1; - priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; - priv->ext_cap = priv->ext_cap_0c = 0; - - /* - * Older firmwares had submodel ID fixed to 0x47 - */ - if (SYN_ID_FULL(priv->identity) < 0x705 && - SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { - return -1; - } - - /* - * Unless capExtended is set the rest of the flags should be ignored - */ - if (!SYN_CAP_EXTENDED(priv->capabilities)) - priv->capabilities = 0; - - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 1) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB, cap)) { - psmouse_warn(psmouse, - "device claims to have extended capabilities, but I'm not able to read them.\n"); - } else { - priv->ext_cap = (cap[0] << 16) | (cap[1] << 8) | cap[2]; - - /* - * if nExtBtn is greater than 8 it should be considered - * invalid and treated as 0 - */ - if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) > 8) - priv->ext_cap &= 0xff0fff; - } - } - - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 4) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_CAPAB_0C, cap)) { - psmouse_warn(psmouse, - "device claims to have extended capability 0x0c, but I'm not able to read it.\n"); - } else { - priv->ext_cap_0c = (cap[0] << 16) | (cap[1] << 8) | cap[2]; - } - } - - return 0; -} - -/* - * Identify Touchpad - * See also the SYN_ID_* macros - */ -static int synaptics_identify(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - unsigned char id[3]; - - if (synaptics_send_cmd(psmouse, SYN_QUE_IDENTIFY, id)) - return -1; - priv->identity = (id[0]<<16) | (id[1]<<8) | id[2]; - if (SYN_ID_IS_SYNAPTICS(priv->identity)) - return 0; - return -1; -} - -/* - * Read touchpad resolution and maximum reported coordinates - * Resolution is left zero if touchpad does not support the query - */ -static int synaptics_resolution(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - unsigned char resp[3]; - - if (SYN_ID_MAJOR(priv->identity) < 4) - return 0; - - if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, resp) == 0) { - if (resp[0] != 0 && (resp[1] & 0x80) && resp[2] != 0) { - priv->x_res = resp[0]; /* x resolution in units/mm */ - priv->y_res = resp[2]; /* y resolution in units/mm */ - } - } - - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 5 && - SYN_CAP_MAX_DIMENSIONS(priv->ext_cap_0c)) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MAX_COORDS, resp)) { - psmouse_warn(psmouse, - "device claims to have max coordinates query, but I'm not able to read it.\n"); - } else { - priv->x_max = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); - priv->y_max = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); - } - } - - if (SYN_EXT_CAP_REQUESTS(priv->capabilities) >= 7 && - SYN_CAP_MIN_DIMENSIONS(priv->ext_cap_0c)) { - if (synaptics_send_cmd(psmouse, SYN_QUE_EXT_MIN_COORDS, resp)) { - psmouse_warn(psmouse, - "device claims to have min coordinates query, but I'm not able to read it.\n"); - } else { - priv->x_min = (resp[0] << 5) | ((resp[1] & 0x0f) << 1); - priv->y_min = (resp[2] << 5) | ((resp[1] & 0xf0) >> 3); - } - } - - return 0; -} - -static int synaptics_query_hardware(struct psmouse *psmouse) -{ - if (synaptics_identify(psmouse)) - return -1; - if (synaptics_model_id(psmouse)) - return -1; - if (synaptics_capability(psmouse)) - return -1; - if (synaptics_resolution(psmouse)) - return -1; - - return 0; -} - -static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) -{ - static unsigned char param = 0xc8; - struct synaptics_data *priv = psmouse->private; - - if (!(SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || - SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c))) - return 0; - - if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) - return -1; - - if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) - return -1; - - /* Advanced gesture mode also sends multi finger data */ - priv->capabilities |= BIT(1); - - return 0; -} - -static int synaptics_set_mode(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - - priv->mode = 0; - if (priv->absolute_mode) - priv->mode |= SYN_BIT_ABSOLUTE_MODE; - if (priv->disable_gesture) - priv->mode |= SYN_BIT_DISABLE_GESTURE; - if (psmouse->rate >= 80) - priv->mode |= SYN_BIT_HIGH_RATE; - if (SYN_CAP_EXTENDED(priv->capabilities)) - priv->mode |= SYN_BIT_W_MODE; - - if (synaptics_mode_cmd(psmouse, priv->mode)) - return -1; - - if (priv->absolute_mode && - synaptics_set_advanced_gesture_mode(psmouse)) { - psmouse_err(psmouse, "Advanced gesture mode init failed.\n"); - return -1; - } - - return 0; -} - -static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) -{ - struct synaptics_data *priv = psmouse->private; - - if (rate >= 80) { - priv->mode |= SYN_BIT_HIGH_RATE; - psmouse->rate = 80; - } else { - priv->mode &= ~SYN_BIT_HIGH_RATE; - psmouse->rate = 40; - } - - synaptics_mode_cmd(psmouse, priv->mode); -} - -/***************************************************************************** - * Synaptics pass-through PS/2 port support - ****************************************************************************/ -static int synaptics_pt_write(struct serio *serio, unsigned char c) -{ - struct psmouse *parent = serio_get_drvdata(serio->parent); - char rate_param = SYN_PS_CLIENT_CMD; /* indicates that we want pass-through port */ - - if (psmouse_sliced_command(parent, c)) - return -1; - if (ps2_command(&parent->ps2dev, &rate_param, PSMOUSE_CMD_SETRATE)) - return -1; - return 0; -} - -static int synaptics_pt_start(struct serio *serio) -{ - struct psmouse *parent = serio_get_drvdata(serio->parent); - struct synaptics_data *priv = parent->private; - - serio_pause_rx(parent->ps2dev.serio); - priv->pt_port = serio; - serio_continue_rx(parent->ps2dev.serio); - - return 0; -} - -static void synaptics_pt_stop(struct serio *serio) -{ - struct psmouse *parent = serio_get_drvdata(serio->parent); - struct synaptics_data *priv = parent->private; - - serio_pause_rx(parent->ps2dev.serio); - priv->pt_port = NULL; - serio_continue_rx(parent->ps2dev.serio); -} - -static int synaptics_is_pt_packet(unsigned char *buf) -{ - return (buf[0] & 0xFC) == 0x84 && (buf[3] & 0xCC) == 0xC4; -} - -static void synaptics_pass_pt_packet(struct serio *ptport, unsigned char *packet) -{ - struct psmouse *child = serio_get_drvdata(ptport); - - if (child && child->state == PSMOUSE_ACTIVATED) { - serio_interrupt(ptport, packet[1], 0); - serio_interrupt(ptport, packet[4], 0); - serio_interrupt(ptport, packet[5], 0); - if (child->pktsize == 4) - serio_interrupt(ptport, packet[2], 0); - } else - serio_interrupt(ptport, packet[1], 0); -} - -static void synaptics_pt_activate(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - struct psmouse *child = serio_get_drvdata(priv->pt_port); - - /* adjust the touchpad to child's choice of protocol */ - if (child) { - if (child->pktsize == 4) - priv->mode |= SYN_BIT_FOUR_BYTE_CLIENT; - else - priv->mode &= ~SYN_BIT_FOUR_BYTE_CLIENT; - - if (synaptics_mode_cmd(psmouse, priv->mode)) - psmouse_warn(psmouse, - "failed to switch guest protocol\n"); - } -} - -static void synaptics_pt_create(struct psmouse *psmouse) -{ - struct serio *serio; - - serio = kzalloc(sizeof(struct serio), GFP_KERNEL); - if (!serio) { - psmouse_err(psmouse, - "not enough memory for pass-through port\n"); - return; - } - - serio->id.type = SERIO_PS_PSTHRU; - strlcpy(serio->name, "Synaptics pass-through", sizeof(serio->name)); - strlcpy(serio->phys, "synaptics-pt/serio0", sizeof(serio->name)); - serio->write = synaptics_pt_write; - serio->start = synaptics_pt_start; - serio->stop = synaptics_pt_stop; - serio->parent = psmouse->ps2dev.serio; - - psmouse->pt_activate = synaptics_pt_activate; - - psmouse_info(psmouse, "serio: %s port at %s\n", - serio->name, psmouse->phys); - serio_register_port(serio); -} - -/***************************************************************************** - * Functions to interpret the absolute mode packets - ****************************************************************************/ - -static void synaptics_mt_state_set(struct synaptics_mt_state *state, int count, - int sgm, int agm) -{ - state->count = count; - state->sgm = sgm; - state->agm = agm; -} - -static void synaptics_parse_agm(const unsigned char buf[], - struct synaptics_data *priv, - struct synaptics_hw_state *hw) -{ - struct synaptics_hw_state *agm = &priv->agm; - int agm_packet_type; - - agm_packet_type = (buf[5] & 0x30) >> 4; - switch (agm_packet_type) { - case 1: - /* Gesture packet: (x, y, z) half resolution */ - agm->w = hw->w; - agm->x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; - agm->y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; - agm->z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; - break; - - case 2: - /* AGM-CONTACT packet: (count, sgm, agm) */ - synaptics_mt_state_set(&agm->mt_state, buf[1], buf[2], buf[4]); - break; - - default: - break; - } - - /* Record that at least one AGM has been received since last SGM */ - priv->agm_pending = true; -} - -static int synaptics_parse_hw_state(const unsigned char buf[], - struct synaptics_data *priv, - struct synaptics_hw_state *hw) -{ - memset(hw, 0, sizeof(struct synaptics_hw_state)); - - if (SYN_MODEL_NEWABS(priv->model_id)) { - hw->w = (((buf[0] & 0x30) >> 2) | - ((buf[0] & 0x04) >> 1) | - ((buf[3] & 0x04) >> 2)); - - hw->left = (buf[0] & 0x01) ? 1 : 0; - hw->right = (buf[0] & 0x02) ? 1 : 0; - - if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { - /* - * Clickpad's button is transmitted as middle button, - * however, since it is primary button, we will report - * it as BTN_LEFT. - */ - hw->left = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; - - } else if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { - hw->middle = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; - if (hw->w == 2) - hw->scroll = (signed char)(buf[1]); - } - - if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { - hw->up = ((buf[0] ^ buf[3]) & 0x01) ? 1 : 0; - hw->down = ((buf[0] ^ buf[3]) & 0x02) ? 1 : 0; - } - - if ((SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) || - SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) && - hw->w == 2) { - synaptics_parse_agm(buf, priv, hw); - return 1; - } - - hw->x = (((buf[3] & 0x10) << 8) | - ((buf[1] & 0x0f) << 8) | - buf[4]); - hw->y = (((buf[3] & 0x20) << 7) | - ((buf[1] & 0xf0) << 4) | - buf[5]); - hw->z = buf[2]; - - if (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) && - ((buf[0] ^ buf[3]) & 0x02)) { - switch (SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap) & ~0x01) { - default: - /* - * if nExtBtn is greater than 8 it should be - * considered invalid and treated as 0 - */ - break; - case 8: - hw->ext_buttons |= ((buf[5] & 0x08)) ? 0x80 : 0; - hw->ext_buttons |= ((buf[4] & 0x08)) ? 0x40 : 0; - case 6: - hw->ext_buttons |= ((buf[5] & 0x04)) ? 0x20 : 0; - hw->ext_buttons |= ((buf[4] & 0x04)) ? 0x10 : 0; - case 4: - hw->ext_buttons |= ((buf[5] & 0x02)) ? 0x08 : 0; - hw->ext_buttons |= ((buf[4] & 0x02)) ? 0x04 : 0; - case 2: - hw->ext_buttons |= ((buf[5] & 0x01)) ? 0x02 : 0; - hw->ext_buttons |= ((buf[4] & 0x01)) ? 0x01 : 0; - } - } - } else { - hw->x = (((buf[1] & 0x1f) << 8) | buf[2]); - hw->y = (((buf[4] & 0x1f) << 8) | buf[5]); - - hw->z = (((buf[0] & 0x30) << 2) | (buf[3] & 0x3F)); - hw->w = (((buf[1] & 0x80) >> 4) | ((buf[0] & 0x04) >> 1)); - - hw->left = (buf[0] & 0x01) ? 1 : 0; - hw->right = (buf[0] & 0x02) ? 1 : 0; - } - - return 0; -} - -static void synaptics_report_semi_mt_slot(struct input_dev *dev, int slot, - bool active, int x, int y) -{ - input_mt_slot(dev, slot); - input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); - if (active) { - input_report_abs(dev, ABS_MT_POSITION_X, x); - input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(y)); - } -} - -static void synaptics_report_semi_mt_data(struct input_dev *dev, - const struct synaptics_hw_state *a, - const struct synaptics_hw_state *b, - int num_fingers) -{ - if (num_fingers >= 2) { - synaptics_report_semi_mt_slot(dev, 0, true, min(a->x, b->x), - min(a->y, b->y)); - synaptics_report_semi_mt_slot(dev, 1, true, max(a->x, b->x), - max(a->y, b->y)); - } else if (num_fingers == 1) { - synaptics_report_semi_mt_slot(dev, 0, true, a->x, a->y); - synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); - } else { - synaptics_report_semi_mt_slot(dev, 0, false, 0, 0); - synaptics_report_semi_mt_slot(dev, 1, false, 0, 0); - } -} - -static void synaptics_report_buttons(struct psmouse *psmouse, - const struct synaptics_hw_state *hw) -{ - struct input_dev *dev = psmouse->dev; - struct synaptics_data *priv = psmouse->private; - int i; - - input_report_key(dev, BTN_LEFT, hw->left); - input_report_key(dev, BTN_RIGHT, hw->right); - - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) - input_report_key(dev, BTN_MIDDLE, hw->middle); - - if (SYN_CAP_FOUR_BUTTON(priv->capabilities)) { - input_report_key(dev, BTN_FORWARD, hw->up); - input_report_key(dev, BTN_BACK, hw->down); - } - - for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) - input_report_key(dev, BTN_0 + i, hw->ext_buttons & (1 << i)); -} - -static void synaptics_report_slot(struct input_dev *dev, int slot, - const struct synaptics_hw_state *hw) -{ - input_mt_slot(dev, slot); - input_mt_report_slot_state(dev, MT_TOOL_FINGER, (hw != NULL)); - if (!hw) - return; - - input_report_abs(dev, ABS_MT_POSITION_X, hw->x); - input_report_abs(dev, ABS_MT_POSITION_Y, synaptics_invert_y(hw->y)); - input_report_abs(dev, ABS_MT_PRESSURE, hw->z); -} - -static void synaptics_report_mt_data(struct psmouse *psmouse, - struct synaptics_mt_state *mt_state, - const struct synaptics_hw_state *sgm) -{ - struct input_dev *dev = psmouse->dev; - struct synaptics_data *priv = psmouse->private; - struct synaptics_hw_state *agm = &priv->agm; - struct synaptics_mt_state *old = &priv->mt_state; - - switch (mt_state->count) { - case 0: - synaptics_report_slot(dev, 0, NULL); - synaptics_report_slot(dev, 1, NULL); - break; - case 1: - if (mt_state->sgm == -1) { - synaptics_report_slot(dev, 0, NULL); - synaptics_report_slot(dev, 1, NULL); - } else if (mt_state->sgm == 0) { - synaptics_report_slot(dev, 0, sgm); - synaptics_report_slot(dev, 1, NULL); - } else { - synaptics_report_slot(dev, 0, NULL); - synaptics_report_slot(dev, 1, sgm); - } - break; - default: - /* - * If the finger slot contained in SGM is valid, and either - * hasn't changed, or is new, then report SGM in MTB slot 0. - * Otherwise, empty MTB slot 0. - */ - if (mt_state->sgm != -1 && - (mt_state->sgm == old->sgm || old->sgm == -1)) - synaptics_report_slot(dev, 0, sgm); - else - synaptics_report_slot(dev, 0, NULL); - - /* - * If the finger slot contained in AGM is valid, and either - * hasn't changed, or is new, then report AGM in MTB slot 1. - * Otherwise, empty MTB slot 1. - */ - if (mt_state->agm != -1 && - (mt_state->agm == old->agm || old->agm == -1)) - synaptics_report_slot(dev, 1, agm); - else - synaptics_report_slot(dev, 1, NULL); - break; - } - - /* Don't use active slot count to generate BTN_TOOL events. */ - input_mt_report_pointer_emulation(dev, false); - - /* Send the number of fingers reported by touchpad itself. */ - input_mt_report_finger_count(dev, mt_state->count); - - synaptics_report_buttons(psmouse, sgm); - - input_sync(dev); -} - -/* Handle case where mt_state->count = 0 */ -static void synaptics_image_sensor_0f(struct synaptics_data *priv, - struct synaptics_mt_state *mt_state) -{ - synaptics_mt_state_set(mt_state, 0, -1, -1); - priv->mt_state_lost = false; -} - -/* Handle case where mt_state->count = 1 */ -static void synaptics_image_sensor_1f(struct synaptics_data *priv, - struct synaptics_mt_state *mt_state) -{ - struct synaptics_hw_state *agm = &priv->agm; - struct synaptics_mt_state *old = &priv->mt_state; - - /* - * If the last AGM was (0,0,0), and there is only one finger left, - * then we absolutely know that SGM contains slot 0, and all other - * fingers have been removed. - */ - if (priv->agm_pending && agm->z == 0) { - synaptics_mt_state_set(mt_state, 1, 0, -1); - priv->mt_state_lost = false; - return; - } - - switch (old->count) { - case 0: - synaptics_mt_state_set(mt_state, 1, 0, -1); - break; - case 1: - /* - * If mt_state_lost, then the previous transition was 3->1, - * and SGM now contains either slot 0 or 1, but we don't know - * which. So, we just assume that the SGM now contains slot 1. - * - * If pending AGM and either: - * (a) the previous SGM slot contains slot 0, or - * (b) there was no SGM slot - * then, the SGM now contains slot 1 - * - * Case (a) happens with very rapid "drum roll" gestures, where - * slot 0 finger is lifted and a new slot 1 finger touches - * within one reporting interval. - * - * Case (b) happens if initially two or more fingers tap - * briefly, and all but one lift before the end of the first - * reporting interval. - * - * (In both these cases, slot 0 will becomes empty, so SGM - * contains slot 1 with the new finger) - * - * Else, if there was no previous SGM, it now contains slot 0. - * - * Otherwise, SGM still contains the same slot. - */ - if (priv->mt_state_lost || - (priv->agm_pending && old->sgm <= 0)) - synaptics_mt_state_set(mt_state, 1, 1, -1); - else if (old->sgm == -1) - synaptics_mt_state_set(mt_state, 1, 0, -1); - break; - case 2: - /* - * If mt_state_lost, we don't know which finger SGM contains. - * - * So, report 1 finger, but with both slots empty. - * We will use slot 1 on subsequent 1->1 - */ - if (priv->mt_state_lost) { - synaptics_mt_state_set(mt_state, 1, -1, -1); - break; - } - /* - * Since the last AGM was NOT (0,0,0), it was the finger in - * slot 0 that has been removed. - * So, SGM now contains previous AGM's slot, and AGM is now - * empty. - */ - synaptics_mt_state_set(mt_state, 1, old->agm, -1); - break; - case 3: - /* - * Since last AGM was not (0,0,0), we don't know which finger - * is left. - * - * So, report 1 finger, but with both slots empty. - * We will use slot 1 on subsequent 1->1 - */ - synaptics_mt_state_set(mt_state, 1, -1, -1); - priv->mt_state_lost = true; - break; - case 4: - case 5: - /* mt_state was updated by AGM-CONTACT packet */ - break; - } -} - -/* Handle case where mt_state->count = 2 */ -static void synaptics_image_sensor_2f(struct synaptics_data *priv, - struct synaptics_mt_state *mt_state) -{ - struct synaptics_mt_state *old = &priv->mt_state; - - switch (old->count) { - case 0: - synaptics_mt_state_set(mt_state, 2, 0, 1); - break; - case 1: - /* - * If previous SGM contained slot 1 or higher, SGM now contains - * slot 0 (the newly touching finger) and AGM contains SGM's - * previous slot. - * - * Otherwise, SGM still contains slot 0 and AGM now contains - * slot 1. - */ - if (old->sgm >= 1) - synaptics_mt_state_set(mt_state, 2, 0, old->sgm); - else - synaptics_mt_state_set(mt_state, 2, 0, 1); - break; - case 2: - /* - * If mt_state_lost, SGM now contains either finger 1 or 2, but - * we don't know which. - * So, we just assume that the SGM contains slot 0 and AGM 1. - */ - if (priv->mt_state_lost) - synaptics_mt_state_set(mt_state, 2, 0, 1); - /* - * Otherwise, use the same mt_state, since it either hasn't - * changed, or was updated by a recently received AGM-CONTACT - * packet. - */ - break; - case 3: - /* - * 3->2 transitions have two unsolvable problems: - * 1) no indication is given which finger was removed - * 2) no way to tell if agm packet was for finger 3 - * before 3->2, or finger 2 after 3->2. - * - * So, report 2 fingers, but empty all slots. - * We will guess slots [0,1] on subsequent 2->2. - */ - synaptics_mt_state_set(mt_state, 2, -1, -1); - priv->mt_state_lost = true; - break; - case 4: - case 5: - /* mt_state was updated by AGM-CONTACT packet */ - break; - } -} - -/* Handle case where mt_state->count = 3 */ -static void synaptics_image_sensor_3f(struct synaptics_data *priv, - struct synaptics_mt_state *mt_state) -{ - struct synaptics_mt_state *old = &priv->mt_state; - - switch (old->count) { - case 0: - synaptics_mt_state_set(mt_state, 3, 0, 2); - break; - case 1: - /* - * If previous SGM contained slot 2 or higher, SGM now contains - * slot 0 (one of the newly touching fingers) and AGM contains - * SGM's previous slot. - * - * Otherwise, SGM now contains slot 0 and AGM contains slot 2. - */ - if (old->sgm >= 2) - synaptics_mt_state_set(mt_state, 3, 0, old->sgm); - else - synaptics_mt_state_set(mt_state, 3, 0, 2); - break; - case 2: - /* - * If the AGM previously contained slot 3 or higher, then the - * newly touching finger is in the lowest available slot. - * - * If SGM was previously 1 or higher, then the new SGM is - * now slot 0 (with a new finger), otherwise, the new finger - * is now in a hidden slot between 0 and AGM's slot. - * - * In all such cases, the SGM now contains slot 0, and the AGM - * continues to contain the same slot as before. - */ - if (old->agm >= 3) { - synaptics_mt_state_set(mt_state, 3, 0, old->agm); - break; - } - - /* - * After some 3->1 and all 3->2 transitions, we lose track - * of which slot is reported by SGM and AGM. - * - * For 2->3 in this state, report 3 fingers, but empty all - * slots, and we will guess (0,2) on a subsequent 0->3. - * - * To userspace, the resulting transition will look like: - * 2:[0,1] -> 3:[-1,-1] -> 3:[0,2] - */ - if (priv->mt_state_lost) { - synaptics_mt_state_set(mt_state, 3, -1, -1); - break; - } - - /* - * If the (SGM,AGM) really previously contained slots (0, 1), - * then we cannot know what slot was just reported by the AGM, - * because the 2->3 transition can occur either before or after - * the AGM packet. Thus, this most recent AGM could contain - * either the same old slot 1 or the new slot 2. - * Subsequent AGMs will be reporting slot 2. - * - * To userspace, the resulting transition will look like: - * 2:[0,1] -> 3:[0,-1] -> 3:[0,2] - */ - synaptics_mt_state_set(mt_state, 3, 0, -1); - break; - case 3: - /* - * If, for whatever reason, the previous agm was invalid, - * Assume SGM now contains slot 0, AGM now contains slot 2. - */ - if (old->agm <= 2) - synaptics_mt_state_set(mt_state, 3, 0, 2); - /* - * mt_state either hasn't changed, or was updated by a recently - * received AGM-CONTACT packet. - */ - break; - - case 4: - case 5: - /* mt_state was updated by AGM-CONTACT packet */ - break; - } -} - -/* Handle case where mt_state->count = 4, or = 5 */ -static void synaptics_image_sensor_45f(struct synaptics_data *priv, - struct synaptics_mt_state *mt_state) -{ - /* mt_state was updated correctly by AGM-CONTACT packet */ - priv->mt_state_lost = false; -} - -static void synaptics_image_sensor_process(struct psmouse *psmouse, - struct synaptics_hw_state *sgm) -{ - struct synaptics_data *priv = psmouse->private; - struct synaptics_hw_state *agm = &priv->agm; - struct synaptics_mt_state mt_state; - - /* Initialize using current mt_state (as updated by last agm) */ - mt_state = agm->mt_state; - - /* - * Update mt_state using the new finger count and current mt_state. - */ - if (sgm->z == 0) - synaptics_image_sensor_0f(priv, &mt_state); - else if (sgm->w >= 4) - synaptics_image_sensor_1f(priv, &mt_state); - else if (sgm->w == 0) - synaptics_image_sensor_2f(priv, &mt_state); - else if (sgm->w == 1 && mt_state.count <= 3) - synaptics_image_sensor_3f(priv, &mt_state); - else - synaptics_image_sensor_45f(priv, &mt_state); - - /* Send resulting input events to user space */ - synaptics_report_mt_data(psmouse, &mt_state, sgm); - - /* Store updated mt_state */ - priv->mt_state = agm->mt_state = mt_state; - priv->agm_pending = false; -} - -/* - * called for each full received packet from the touchpad - */ -static void synaptics_process_packet(struct psmouse *psmouse) -{ - struct input_dev *dev = psmouse->dev; - struct synaptics_data *priv = psmouse->private; - struct synaptics_hw_state hw; - int num_fingers; - int finger_width; - - if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) - return; - - if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { - synaptics_image_sensor_process(psmouse, &hw); - return; - } - - if (hw.scroll) { - priv->scroll += hw.scroll; - - while (priv->scroll >= 4) { - input_report_key(dev, BTN_BACK, !hw.down); - input_sync(dev); - input_report_key(dev, BTN_BACK, hw.down); - input_sync(dev); - priv->scroll -= 4; - } - while (priv->scroll <= -4) { - input_report_key(dev, BTN_FORWARD, !hw.up); - input_sync(dev); - input_report_key(dev, BTN_FORWARD, hw.up); - input_sync(dev); - priv->scroll += 4; - } - return; - } - - if (hw.z > 0 && hw.x > 1) { - num_fingers = 1; - finger_width = 5; - if (SYN_CAP_EXTENDED(priv->capabilities)) { - switch (hw.w) { - case 0 ... 1: - if (SYN_CAP_MULTIFINGER(priv->capabilities)) - num_fingers = hw.w + 2; - break; - case 2: - if (SYN_MODEL_PEN(priv->model_id)) - ; /* Nothing, treat a pen as a single finger */ - break; - case 4 ... 15: - if (SYN_CAP_PALMDETECT(priv->capabilities)) - finger_width = hw.w; - break; - } - } - } else { - num_fingers = 0; - finger_width = 0; - } - - if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) - synaptics_report_semi_mt_data(dev, &hw, &priv->agm, - num_fingers); - - /* Post events - * BTN_TOUCH has to be first as mousedev relies on it when doing - * absolute -> relative conversion - */ - if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); - if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); - - if (num_fingers > 0) { - input_report_abs(dev, ABS_X, hw.x); - input_report_abs(dev, ABS_Y, synaptics_invert_y(hw.y)); - } - input_report_abs(dev, ABS_PRESSURE, hw.z); - - if (SYN_CAP_PALMDETECT(priv->capabilities)) - input_report_abs(dev, ABS_TOOL_WIDTH, finger_width); - - input_report_key(dev, BTN_TOOL_FINGER, num_fingers == 1); - if (SYN_CAP_MULTIFINGER(priv->capabilities)) { - input_report_key(dev, BTN_TOOL_DOUBLETAP, num_fingers == 2); - input_report_key(dev, BTN_TOOL_TRIPLETAP, num_fingers == 3); - } - - synaptics_report_buttons(psmouse, &hw); - - input_sync(dev); -} - -static int synaptics_validate_byte(struct psmouse *psmouse, - int idx, unsigned char pkt_type) -{ - static const unsigned char newabs_mask[] = { 0xC8, 0x00, 0x00, 0xC8, 0x00 }; - static const unsigned char newabs_rel_mask[] = { 0xC0, 0x00, 0x00, 0xC0, 0x00 }; - static const unsigned char newabs_rslt[] = { 0x80, 0x00, 0x00, 0xC0, 0x00 }; - static const unsigned char oldabs_mask[] = { 0xC0, 0x60, 0x00, 0xC0, 0x60 }; - static const unsigned char oldabs_rslt[] = { 0xC0, 0x00, 0x00, 0x80, 0x00 }; - const char *packet = psmouse->packet; - - if (idx < 0 || idx > 4) - return 0; - - switch (pkt_type) { - - case SYN_NEWABS: - case SYN_NEWABS_RELAXED: - return (packet[idx] & newabs_rel_mask[idx]) == newabs_rslt[idx]; - - case SYN_NEWABS_STRICT: - return (packet[idx] & newabs_mask[idx]) == newabs_rslt[idx]; - - case SYN_OLDABS: - return (packet[idx] & oldabs_mask[idx]) == oldabs_rslt[idx]; - - default: - psmouse_err(psmouse, "unknown packet type %d\n", pkt_type); - return 0; - } -} - -static unsigned char synaptics_detect_pkt_type(struct psmouse *psmouse) -{ - int i; - - for (i = 0; i < 5; i++) - if (!synaptics_validate_byte(psmouse, i, SYN_NEWABS_STRICT)) { - psmouse_info(psmouse, "using relaxed packet validation\n"); - return SYN_NEWABS_RELAXED; - } - - return SYN_NEWABS_STRICT; -} - -static psmouse_ret_t synaptics_process_byte(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - - if (psmouse->pktcnt >= 6) { /* Full packet received */ - if (unlikely(priv->pkt_type == SYN_NEWABS)) - priv->pkt_type = synaptics_detect_pkt_type(psmouse); - - if (SYN_CAP_PASS_THROUGH(priv->capabilities) && - synaptics_is_pt_packet(psmouse->packet)) { - if (priv->pt_port) - synaptics_pass_pt_packet(priv->pt_port, psmouse->packet); - } else - synaptics_process_packet(psmouse); - - return PSMOUSE_FULL_PACKET; - } - - return synaptics_validate_byte(psmouse, psmouse->pktcnt - 1, priv->pkt_type) ? - PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; -} - -/***************************************************************************** - * Driver initialization/cleanup functions - ****************************************************************************/ -static void set_abs_position_params(struct input_dev *dev, - struct synaptics_data *priv, int x_code, - int y_code) -{ - int x_min = priv->x_min ?: XMIN_NOMINAL; - int x_max = priv->x_max ?: XMAX_NOMINAL; - int y_min = priv->y_min ?: YMIN_NOMINAL; - int y_max = priv->y_max ?: YMAX_NOMINAL; - int fuzz = SYN_CAP_REDUCED_FILTERING(priv->ext_cap_0c) ? - SYN_REDUCED_FILTER_FUZZ : 0; - - input_set_abs_params(dev, x_code, x_min, x_max, fuzz, 0); - input_set_abs_params(dev, y_code, y_min, y_max, fuzz, 0); - input_abs_set_res(dev, x_code, priv->x_res); - input_abs_set_res(dev, y_code, priv->y_res); -} - -static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) -{ - int i; - - /* Things that apply to both modes */ - __set_bit(INPUT_PROP_POINTER, dev->propbit); - __set_bit(EV_KEY, dev->evbit); - __set_bit(BTN_LEFT, dev->keybit); - __set_bit(BTN_RIGHT, dev->keybit); - - if (SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) - __set_bit(BTN_MIDDLE, dev->keybit); - - if (!priv->absolute_mode) { - /* Relative mode */ - __set_bit(EV_REL, dev->evbit); - __set_bit(REL_X, dev->relbit); - __set_bit(REL_Y, dev->relbit); - return; - } - - /* Absolute mode */ - __set_bit(EV_ABS, dev->evbit); - set_abs_position_params(dev, priv, ABS_X, ABS_Y); - input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); - - if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { - input_mt_init_slots(dev, 2); - set_abs_position_params(dev, priv, ABS_MT_POSITION_X, - ABS_MT_POSITION_Y); - /* Image sensors can report per-contact pressure */ - input_set_abs_params(dev, ABS_MT_PRESSURE, 0, 255, 0, 0); - - /* Image sensors can signal 4 and 5 finger clicks */ - __set_bit(BTN_TOOL_QUADTAP, dev->keybit); - __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); - } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { - /* Non-image sensors with AGM use semi-mt */ - __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); - input_mt_init_slots(dev, 2); - set_abs_position_params(dev, priv, ABS_MT_POSITION_X, - ABS_MT_POSITION_Y); - } - - if (SYN_CAP_PALMDETECT(priv->capabilities)) - input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); - - __set_bit(BTN_TOUCH, dev->keybit); - __set_bit(BTN_TOOL_FINGER, dev->keybit); - - if (SYN_CAP_MULTIFINGER(priv->capabilities)) { - __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); - __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); - } - - if (SYN_CAP_FOUR_BUTTON(priv->capabilities) || - SYN_CAP_MIDDLE_BUTTON(priv->capabilities)) { - __set_bit(BTN_FORWARD, dev->keybit); - __set_bit(BTN_BACK, dev->keybit); - } - - for (i = 0; i < SYN_CAP_MULTI_BUTTON_NO(priv->ext_cap); i++) - __set_bit(BTN_0 + i, dev->keybit); - - __clear_bit(EV_REL, dev->evbit); - __clear_bit(REL_X, dev->relbit); - __clear_bit(REL_Y, dev->relbit); - - if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { - __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); - /* Clickpads report only left button */ - __clear_bit(BTN_RIGHT, dev->keybit); - __clear_bit(BTN_MIDDLE, dev->keybit); - } -} - -static ssize_t synaptics_show_disable_gesture(struct psmouse *psmouse, - void *data, char *buf) -{ - struct synaptics_data *priv = psmouse->private; - - return sprintf(buf, "%c\n", priv->disable_gesture ? '1' : '0'); -} - -static ssize_t synaptics_set_disable_gesture(struct psmouse *psmouse, - void *data, const char *buf, - size_t len) -{ - struct synaptics_data *priv = psmouse->private; - unsigned int value; - int err; - - err = kstrtouint(buf, 10, &value); - if (err) - return err; - - if (value > 1) - return -EINVAL; - - if (value == priv->disable_gesture) - return len; - - priv->disable_gesture = value; - if (value) - priv->mode |= SYN_BIT_DISABLE_GESTURE; - else - priv->mode &= ~SYN_BIT_DISABLE_GESTURE; - - if (synaptics_mode_cmd(psmouse, priv->mode)) - return -EIO; - - return len; -} - -PSMOUSE_DEFINE_ATTR(disable_gesture, S_IWUSR | S_IRUGO, NULL, - synaptics_show_disable_gesture, - synaptics_set_disable_gesture); - -static void synaptics_disconnect(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - - if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) - device_remove_file(&psmouse->ps2dev.serio->dev, - &psmouse_attr_disable_gesture.dattr); - - synaptics_reset(psmouse); - kfree(priv); - psmouse->private = NULL; -} - -static int synaptics_reconnect(struct psmouse *psmouse) -{ - struct synaptics_data *priv = psmouse->private; - struct synaptics_data old_priv = *priv; - int retry = 0; - int error; - - do { - psmouse_reset(psmouse); - if (retry) { - /* - * On some boxes, right after resuming, the touchpad - * needs some time to finish initializing (I assume - * it needs time to calibrate) and start responding - * to Synaptics-specific queries, so let's wait a - * bit. - */ - ssleep(1); - } - error = synaptics_detect(psmouse, 0); - } while (error && ++retry < 3); - - if (error) - return -1; - - if (retry > 1) - psmouse_dbg(psmouse, "reconnected after %d tries\n", retry); - - if (synaptics_query_hardware(psmouse)) { - psmouse_err(psmouse, "Unable to query device.\n"); - return -1; - } - - if (synaptics_set_mode(psmouse)) { - psmouse_err(psmouse, "Unable to initialize device.\n"); - return -1; - } - - if (old_priv.identity != priv->identity || - old_priv.model_id != priv->model_id || - old_priv.capabilities != priv->capabilities || - old_priv.ext_cap != priv->ext_cap) { - psmouse_err(psmouse, - "hardware appears to be different: id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n", - old_priv.identity, priv->identity, - old_priv.model_id, priv->model_id, - old_priv.capabilities, priv->capabilities, - old_priv.ext_cap, priv->ext_cap); - return -1; - } - - return 0; -} - -static bool impaired_toshiba_kbc; - -static const struct dmi_system_id __initconst toshiba_dmi_table[] = { -#if defined(CONFIG_DMI) && defined(CONFIG_X86) - { - /* Toshiba Satellite */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"), - }, - }, - { - /* Toshiba Dynabook */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "dynabook"), - }, - }, - { - /* Toshiba Portege M300 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M300"), - }, - - }, - { - /* Toshiba Portege M300 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), - DMI_MATCH(DMI_PRODUCT_NAME, "Portable PC"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Version 1.0"), - }, - - }, -#endif - { } -}; - -static bool broken_olpc_ec; - -static const struct dmi_system_id __initconst olpc_dmi_table[] = { -#if defined(CONFIG_DMI) && defined(CONFIG_OLPC) - { - /* OLPC XO-1 or XO-1.5 */ - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), - DMI_MATCH(DMI_PRODUCT_NAME, "XO"), - }, - }, -#endif - { } -}; - -void __init synaptics_module_init(void) -{ - impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); - broken_olpc_ec = dmi_check_system(olpc_dmi_table); -} - -static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) -{ - struct synaptics_data *priv; - int err = -1; - - /* - * The OLPC XO has issues with Synaptics' absolute mode; the constant - * packet spew overloads the EC such that key presses on the keyboard - * are missed. Given that, don't even attempt to use Absolute mode. - * Relative mode seems to work just fine. - */ - if (absolute_mode && broken_olpc_ec) { - psmouse_info(psmouse, - "OLPC XO detected, not enabling Synaptics protocol.\n"); - return -ENODEV; - } - - psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - psmouse_reset(psmouse); - - if (synaptics_query_hardware(psmouse)) { - psmouse_err(psmouse, "Unable to query device.\n"); - goto init_fail; - } - - priv->absolute_mode = absolute_mode; - if (SYN_ID_DISGEST_SUPPORTED(priv->identity)) - priv->disable_gesture = true; - - if (synaptics_set_mode(psmouse)) { - psmouse_err(psmouse, "Unable to initialize device.\n"); - goto init_fail; - } - - priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; - - psmouse_info(psmouse, - "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n", - SYN_ID_MODEL(priv->identity), - SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), - priv->model_id, - priv->capabilities, priv->ext_cap, priv->ext_cap_0c); - - set_input_params(psmouse->dev, priv); - - /* - * Encode touchpad model so that it can be used to set - * input device->id.version and be visible to userspace. - * Because version is __u16 we have to drop something. - * Hardware info bits seem to be good candidates as they - * are documented to be for Synaptics corp. internal use. - */ - psmouse->model = ((priv->model_id & 0x00ff0000) >> 8) | - (priv->model_id & 0x000000ff); - - if (absolute_mode) { - psmouse->protocol_handler = synaptics_process_byte; - psmouse->pktsize = 6; - } else { - /* Relative mode follows standard PS/2 mouse protocol */ - psmouse->protocol_handler = psmouse_process_byte; - psmouse->pktsize = 3; - } - - psmouse->set_rate = synaptics_set_rate; - psmouse->disconnect = synaptics_disconnect; - psmouse->reconnect = synaptics_reconnect; - psmouse->cleanup = synaptics_reset; - /* Synaptics can usually stay in sync without extra help */ - psmouse->resync_time = 0; - - if (SYN_CAP_PASS_THROUGH(priv->capabilities)) - synaptics_pt_create(psmouse); - - /* - * Toshiba's KBC seems to have trouble handling data from - * Synaptics at full rate. Switch to a lower rate (roughly - * the same rate as a standard PS/2 mouse). - */ - if (psmouse->rate >= 80 && impaired_toshiba_kbc) { - psmouse_info(psmouse, - "Toshiba %s detected, limiting rate to 40pps.\n", - dmi_get_system_info(DMI_PRODUCT_NAME)); - psmouse->rate = 40; - } - - if (!priv->absolute_mode && SYN_ID_DISGEST_SUPPORTED(priv->identity)) { - err = device_create_file(&psmouse->ps2dev.serio->dev, - &psmouse_attr_disable_gesture.dattr); - if (err) { - psmouse_err(psmouse, - "Failed to create disable_gesture attribute (%d)", - err); - goto init_fail; - } - } - - return 0; - - init_fail: - kfree(priv); - return err; -} - -int synaptics_init(struct psmouse *psmouse) -{ - return __synaptics_init(psmouse, true); -} - -int synaptics_init_relative(struct psmouse *psmouse) -{ - return __synaptics_init(psmouse, false); -} - -bool synaptics_supported(void) -{ - return true; -} - -#else /* CONFIG_MOUSE_PS2_SYNAPTICS */ - -void __init synaptics_module_init(void) -{ -} - -int synaptics_init(struct psmouse *psmouse) -{ - return -ENOSYS; -} - -bool synaptics_supported(void) -{ - return false; -} - -#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */ |