Files
android_kernel_samsung_sm86…/st/fts_lib/ftsGesture.c
Fei Mao cb9d543e8a touch: add drivers
Add all drivers for new platforms.

Change-Id: Ie9947b0c6f8ddfee7dab6dfa80d6aca62323f4da
Signed-off-by: Fei Mao <feim1@codeaurora.org>
2021-10-22 18:18:20 +08:00

652 linhas
17 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* FTS Capacitive touch screen controller (FingerTipS)
*
* Copyright (C) 2016-2019, STMicroelectronics Limited.
* Authors: AMG(Analog Mems Group) <marco.cali@st.com>
*
*
* 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.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
**************************************************************************
** STMicroelectronics **
**************************************************************************
** marco.cali@st.com **
**************************************************************************
* *
* FTS Gesture Utilities *
* *
**************************************************************************
**************************************************************************
*/
#include "ftsSoftware.h"
#include "ftsError.h"
#include "ftsGesture.h"
#include "ftsIO.h"
#include "ftsTool.h"
static char tag[8] = "[ FTS ]\0";
static u8 gesture_mask[GESTURE_MASK_SIZE] = { 0 };
static u8 custom_gestures[GESTURE_CUSTOM_NUMBER][GESTURE_CUSTOM_POINTS];
static u8 custom_gesture_index[GESTURE_CUSTOM_NUMBER] = { 0 };
static int refreshGestureMask;
u16 gesture_coordinates_x[GESTURE_COORDS_REPORT_MAX] = {0};
u16 gesture_coordinates_y[GESTURE_COORDS_REPORT_MAX] = {0};
int gesture_coords_reported = ERROR_OP_NOT_ALLOW;
struct mutex gestureMask_mutex;
int updateGestureMask(u8 *mask, int size, int en)
{
u8 temp;
int i;
if (mask == NULL) {
logError(1, "%s %s: Mask NULL! ERROR %08X\n",
tag, __func__, ERROR_OP_NOT_ALLOW);
return ERROR_OP_NOT_ALLOW;
}
if (size > GESTURE_MASK_SIZE) {
logError(1, "%s %s:Size not valid! %d > %d ERROR %08X\n",
tag, __func__, size, GESTURE_MASK_SIZE);
return ERROR_OP_NOT_ALLOW;
}
if (en == FEAT_ENABLE) {
mutex_lock(&gestureMask_mutex);
logError(0, "%s %s:setting gesture mask to enable..\n",
tag, __func__);
if (mask != NULL) {
for (i = 0; i < size; i++) {
//back up the gesture enabled
gesture_mask[i] = gesture_mask[i] | mask[i];
}
}
refreshGestureMask = 1;
logError(0, "%s %s:gesture mask to enable SET!\n",
tag, __func__);
mutex_unlock(&gestureMask_mutex);
return OK;
}
if (en == FEAT_DISABLE) {
mutex_lock(&gestureMask_mutex);
logError(0, "%s %s:setting gesture ", tag, __func__);
logError(0, "mask to disable...\n");
for (i = 0; i < size; i++) {
// enabled XOR disabled
temp = gesture_mask[i] ^ mask[i];
gesture_mask[i] = temp & gesture_mask[i];
}
logError(0, "%s %s:gesture mask to disable SET!\n",
tag, __func__);
refreshGestureMask = 1;
mutex_unlock(&gestureMask_mutex);
return OK;
}
logError(1, "%s%s:Enable parameter Invalid%d!=%d or%d%:08X",
tag, __func__, FEAT_DISABLE,
FEAT_ENABLE, ERROR_OP_NOT_ALLOW);
return ERROR_OP_NOT_ALLOW;
}
int enableGesture(u8 *mask, int size)
{
u8 cmd[GESTURE_MASK_SIZE + 2];
u8 readData[FIFO_EVENT_SIZE] = {0};
int i, res;
int event_to_search[4] = { EVENTID_GESTURE,
EVENT_TYPE_ENB, 0x00, GESTURE_ENABLE };
logError(0, "%s Trying to enable gesture...\n", tag);
cmd[0] = FTS_CMD_GESTURE_CMD;
cmd[1] = GESTURE_ENABLE;
if (size > GESTURE_MASK_SIZE) {
logError(1, "%s %s: Size not valid! %d > %d ERROR %08X\n",
tag, __func__, size, GESTURE_MASK_SIZE);
return ERROR_OP_NOT_ALLOW;
}
mutex_lock(&gestureMask_mutex);
if (mask != NULL) {
for (i = 0; i < size; i++) {
cmd[i + 2] = mask[i];
//back up of the gesture enabled
gesture_mask[i] = gesture_mask[i] | mask[i];
}
while (i < GESTURE_MASK_SIZE) {
cmd[i + 2] = gesture_mask[i];
i++;
}
} else {
for (i = 0; i < GESTURE_MASK_SIZE; i++)
cmd[i + 2] = gesture_mask[i];
}
res = fts_writeFwCmd(cmd, GESTURE_MASK_SIZE + 2);
if (res < OK) {
logError(1, "%s %s: ERROR %08X\n", tag, __func__, res);
goto END;
}
res = pollForEvent(event_to_search, 4,
readData, GENERAL_TIMEOUT);
if (res < OK) {
logError(1, "%s %s: pollForEvent ERROR %08X\n",
tag, __func__, res);
goto END;
}
if (readData[4] != 0x00) {
logError(1, "%s %s: ERROR %08X\n",
tag, __func__, ERROR_GESTURE_ENABLE_FAIL);
res = ERROR_GESTURE_ENABLE_FAIL;
goto END;
}
logError(0, "%s %s: DONE!\n", tag, __func__);
res = OK;
END:
mutex_unlock(&gestureMask_mutex);
return res;
}
int disableGesture(u8 *mask, int size)
{
u8 cmd[2 + GESTURE_MASK_SIZE];
u8 readData[FIFO_EVENT_SIZE] = {0};
u8 temp;
int i, res;
int event_to_search[4] = { EVENTID_GESTURE,
EVENT_TYPE_ENB, 0x00, GESTURE_DISABLE };
logError(0, "%s Trying to disable gesture...\n", tag);
cmd[0] = FTS_CMD_GESTURE_CMD;
cmd[1] = GESTURE_DISABLE;
if (size > GESTURE_MASK_SIZE) {
logError(1, "%s %s: Size not valid! %d > %d ERROR %08X\n",
tag, __func__, size, GESTURE_MASK_SIZE);
return ERROR_OP_NOT_ALLOW;
}
mutex_lock(&gestureMask_mutex);
if (mask != NULL) {
for (i = 0; i < size; i++) {
cmd[i + 2] = mask[i];
// enabled XOR disabled
temp = gesture_mask[i] ^ mask[i];
gesture_mask[i] = temp & gesture_mask[i];
}
while (i < GESTURE_MASK_SIZE) {
//cmd[i + 2] = gesture_mask[i];
//gesture_mask[i] = 0x00;
cmd[i + 2] = 0x00;
//leave untouched the gestures not specified
i++;
}
} else {
for (i = 0; i < GESTURE_MASK_SIZE; i++) {
//cmd[i + 2] = gesture_mask[i];
cmd[i + 2] = 0xFF;
}
}
res = fts_writeFwCmd(cmd, 2 + GESTURE_MASK_SIZE);
if (res < OK) {
logError(1, "%s %s:ERROR %08X\n", tag, __func__, res);
goto END;
}
res = pollForEvent(event_to_search, 4, readData, GENERAL_TIMEOUT);
if (res < OK) {
logError(1, "%s %s: pollForEvent ERROR %08X\n",
tag, __func__, res);
goto END;
}
if (readData[4] != 0x00) {
logError(1, "%s %s:ERROR %08X\n",
tag, __func__, ERROR_GESTURE_ENABLE_FAIL);
res = ERROR_GESTURE_ENABLE_FAIL;
goto END;
}
logError(0, "%s %s: DONE!\n", tag, __func__);
res = OK;
END:
mutex_unlock(&gestureMask_mutex);
return res;
}
int startAddCustomGesture(u8 gestureID)
{
u8 cmd[3] = { FTS_CMD_GESTURE_CMD, GESTURE_START_ADD, gestureID };
int res;
u8 readData[FIFO_EVENT_SIZE] = {0};
int event_to_search[4] = { EVENTID_GESTURE, EVENT_TYPE_ENB,
gestureID, GESTURE_START_ADD };
res = fts_writeFwCmd(cmd, 3);
if (res < OK) {
logError(1,
"%s%s:Impossible to start adding custom gesture ID:%02X %08X\n",
tag, __func__, gestureID, res);
return res;
}
res = pollForEvent(event_to_search, 4, readData, GENERAL_TIMEOUT);
if (res < OK) {
logError(1, "%s %s:start add event not found! ERROR %08X\n",
tag, __func__, res);
return res;
}
//check of gestureID is redundant
if (readData[2] != gestureID || readData[4] != 0x00) {
logError(1, "%s %s:start add event status not OK! ERROR %08X\n",
tag, __func__, readData[4]);
return ERROR_GESTURE_START_ADD;
}
return OK;
}
int finishAddCustomGesture(u8 gestureID)
{
u8 cmd[3] = { FTS_CMD_GESTURE_CMD,
GESTURE_FINISH_ADD, gestureID };
int res;
u8 readData[FIFO_EVENT_SIZE] = {0};
int event_to_search[4] = { EVENTID_GESTURE, EVENT_TYPE_ENB,
gestureID, GESTURE_FINISH_ADD };
res = fts_writeFwCmd(cmd, 3);
if (res < OK) {
logError(1,
"%s%s:Impossible to finish adding custom gestureID:%02X %08X\n",
tag, __func__, gestureID, res);
return res;
}
res = pollForEvent(event_to_search, 4, readData, GENERAL_TIMEOUT);
if (res < OK) {
logError(1, "%s %s: finish add event not found! ERROR %08X\n",
tag, __func__, res);
return res;
}
//check of gestureID is redundant
if (readData[2] != gestureID || readData[4] != 0x00) {
logError(1,
"%s %s:finish add event status not OK! ERROR %08X\n",
tag, __func__, readData[4]);
return ERROR_GESTURE_FINISH_ADD;
}
return OK;
}
int loadCustomGesture(u8 *template, u8 gestureID)
{
int res, i, wheel;
int remaining = GESTURE_CUSTOM_POINTS;
int toWrite, offset = 0;
u8 cmd[TEMPLATE_CHUNK + 5];
int event_to_search[4] = { EVENTID_GESTURE, EVENT_TYPE_ENB,
gestureID, GESTURE_DATA_ADD };
u8 readData[FIFO_EVENT_SIZE] = {0};
logError(0, "%s Starting adding custom gesture procedure...\n", tag);
res = startAddCustomGesture(gestureID);
if (res < OK) {
logError(1, "%s %s:unable to start adding procedure %08X\n",
tag, __func__, res);
return res;
}
cmd[0] = FTS_CMD_GESTURE_CMD;
cmd[1] = GESTURE_DATA_ADD;
cmd[2] = gestureID;
wheel = 0;
while (remaining > 0) {
if (remaining > TEMPLATE_CHUNK)
toWrite = TEMPLATE_CHUNK;
else
toWrite = remaining;
cmd[3] = toWrite;
cmd[4] = offset;
for (i = 0; i < toWrite; i++)
cmd[i + 5] = template[wheel++];
res = fts_writeFwCmd(cmd, toWrite + 5);
if (res < OK) {
logError(1, "%s %s:unable to start ", tag, __func__);
logError(1, "adding procedure %08X\n", res);
return res;
}
res = pollForEvent(event_to_search,
4,
readData,
GENERAL_TIMEOUT);
if (res < OK) {
logError(1, "%s %s: add event not found! ERROR %08X\n",
tag, __func__, res);
return res;
}
//check of gestureID is redundant
if (readData[2] != gestureID || readData[4] != 0x00) {
logError(1, "%s %s:add event status not OK! ",
tag, __func__);
logError(1, "ERROR %08X\n", readData[4]);
return ERROR_GESTURE_DATA_ADD;
}
remaining -= toWrite;
offset += toWrite / 2;
}
res = finishAddCustomGesture(gestureID);
if (res < OK) {
logError(1, "%s %s:unable to finish adding procedure! ",
tag, __func__);
logError(1, "ERROR %08X\n", res);
return res;
}
logError(0, "%s Adding custom gesture procedure DONE!\n", tag);
return OK;
}
int reloadCustomGesture(void)
{
int res, i;
logError(0, "%s Starting reload Gesture Template...\n", tag);
for (i = 0; i < GESTURE_CUSTOM_NUMBER; i++) {
if (custom_gesture_index[i] == 1) {
res = loadCustomGesture(custom_gestures[i],
GESTURE_CUSTOM_OFFSET + i);
if (res < OK) {
logError(1, "%s %s:Impossible load gesture ",
tag, __func__);
logError(1, "D:%02X %08X\n",
GESTURE_CUSTOM_OFFSET + i, res);
return res;
}
}
}
logError(0, "%s Reload Gesture Template DONE!\n", tag);
return OK;
}
int enterGestureMode(int reload)
{
u8 cmd = FTS_CMD_GESTURE_MODE;
int res, ret;
res = fts_disableInterrupt();
if (res < OK) {
logError(1, "%s %s: ERROR %08X\n",
tag, __func__, res | ERROR_DISABLE_INTER);
return res | ERROR_DISABLE_INTER;
}
if (reload == 1 || refreshGestureMask == 1) {
if (reload == 1) {
res = reloadCustomGesture();
if (res < OK) {
logError(1, "%s %s:impossible reload ",
tag, __func__);
logError(1, "custom gesture %08X\n", res);
goto END;
}
}
/**
* mandatory steps to set the correct gesture
* mask defined by the user
*/
res = disableGesture(NULL, 0);
if (res < OK) {
logError(1, "%s %s:disableGesture ERROR %08X\n",
tag, res);
goto END;
}
res = enableGesture(NULL, 0);
if (res < OK) {
logError(1, "%s %s:enableGesture ERROR %08X\n",
tag, __func__, res);
goto END;
}
refreshGestureMask = 0;
/**************************************************/
}
res = fts_writeFwCmd(&cmd, 1);
if (res < OK) {
logError(1, "%s %s:enter gesture mode ERROR %08X\n",
tag, __func__, res);
goto END;
}
res = OK;
END:
ret = fts_enableInterrupt();
if (ret < OK) {
logError(1, "%s %s:fts_enableInterrupt ERROR %08X\n",
tag, __func__, res | ERROR_ENABLE_INTER);
res |= ret | ERROR_ENABLE_INTER;
}
return res;
}
int addCustomGesture(u8 *data, int size, u8 gestureID)
{
int index, res, i;
index = gestureID - GESTURE_CUSTOM_OFFSET;
logError(0, "%s Starting Custom Gesture Adding procedure...\n", tag);
if (size != GESTURE_CUSTOM_POINTS || (gestureID != GES_ID_CUST1
&& gestureID != GES_ID_CUST2 && gestureID != GES_ID_CUST3
&& gestureID != GES_ID_CUST4 && gestureID != GES_ID_CUST5)) {
logError(1, "%s %s:Invalid size(%d) or Custom GestureID ",
tag, __func__, size);
logError(1, "(%02X)!ERROR%08X\n",
size, gestureID, ERROR_OP_NOT_ALLOW);
return ERROR_OP_NOT_ALLOW;
}
for (i = 0; i < GESTURE_CUSTOM_POINTS; i++)
custom_gestures[index][i] = data[i];
res = loadCustomGesture(custom_gestures[index], gestureID);
if (res < OK) {
logError(1, "%s %s:impossible to load the custom gesture! ",
tag, __func__);
logError(1, "ERROR %08X\n", res);
return res;
}
custom_gesture_index[index] = 1;
logError(0, "%s Custom Gesture Adding procedure DONE!\n", tag);
return OK;
}
int removeCustomGesture(u8 gestureID)
{
int res, index;
u8 cmd[3] = { FTS_CMD_GESTURE_CMD, GETURE_REMOVE_CUSTOM, gestureID };
int event_to_search[4] = { EVENTID_GESTURE, EVENT_TYPE_ENB,
gestureID, GETURE_REMOVE_CUSTOM };
u8 readData[FIFO_EVENT_SIZE] = {0};
index = gestureID - GESTURE_CUSTOM_OFFSET;
logError(0, "%s Starting Custom Gesture Removing procedure...\n", tag);
if (gestureID != GES_ID_CUST1 && gestureID != GES_ID_CUST2 &&
gestureID != GES_ID_CUST3 && gestureID !=
GES_ID_CUST4 && gestureID != GES_ID_CUST5) {
logError(1, "%s %s:Invalid Custom GestureID (%02X)! ",
tag, __func__, gestureID);
logError(1, "ERROR %08X\n", ERROR_OP_NOT_ALLOW);
return ERROR_OP_NOT_ALLOW;
}
//when a gesture is removed, it is also disabled automatically
res = fts_writeFwCmd(cmd, 3);
if (res < OK) {
logError(1, "%s %s:Impossible to remove custom ",
tag, __func__);
logError(1, "%gesture ID:%02X %08X\n", gestureID, res);
return res;
}
res = pollForEvent(event_to_search, 4, readData, GENERAL_TIMEOUT);
if (res < OK) {
logError(1, "%s %s:remove event not found! ERROR %08X\n",
tag, __func__, res);
return res;
}
//check of gestureID is redundant
if (readData[2] != gestureID || readData[4] != 0x00) {
logError(1, "%s %s:remove event status not OK! ERROR %08X\n",
tag, __func__, readData[4]);
return ERROR_GESTURE_REMOVE;
}
custom_gesture_index[index] = 0;
logError(0, "%s Custom Gesture Remove procedure DONE!\n", tag);
return OK;
}
int isAnyGestureActive(void)
{
int res = 0;
/*-1 because in any case the last gesture mask byte will*/
/*be evaluated with the following if*/
while (res < (GESTURE_MASK_SIZE - 1) && gesture_mask[res] == 0)
res++;
if (gesture_mask[res] == 0) {
logError(0, "%s %s: All Gestures Disabled!\n", tag, __func__);
return FEAT_DISABLE;
}
logError(0, "%s %s:Active Gestures Found! gesture_mask[%d] = %02X!\n",
tag, __func__, res, gesture_mask[res]);
return FEAT_ENABLE;
}
int gestureIDtoGestureMask(u8 id, u8 *mask)
{
logError(0, "%s %s: Index = %d Position = %d!\n",
tag, __func__, ((int)((id) / 8)), (id % 8));
mask[((int)((id) / 8))] |= 0x01 << (id % 8);
return OK;
}
int readGestureCoords(u8 *event)
{
int i = 0;
u8 rCmd[3] = {FTS_CMD_FRAMEBUFFER_R, 0x00, 0x00 };
int res;
unsigned char val[GESTURE_COORDS_REPORT_MAX * 4 + 1];
//the max coordinates to read are GESTURE_COORDS_REPORT_MAX*4
//(because each coordinate is a short(*2) and we have x and y)
//+ dummy byte
if (event[0] != EVENTID_GESTURE
|| event[1] != EVENT_TYPE_GESTURE_DTC2) {
logError(1, "%s %s:The event passsed as argument is invalid! ",
tag, __func__);
logError(1, "ERROR %08X\n", ERROR_OP_NOT_ALLOW);
return ERROR_OP_NOT_ALLOW;
}
rCmd[1] = event[4]; // Offset address L
rCmd[2] = event[3]; // Offset address H
//number of coords reported L
gesture_coords_reported = event[6];
//number of coords reported H
gesture_coords_reported = (gesture_coords_reported << 8) | event[5];
if (gesture_coords_reported > GESTURE_COORDS_REPORT_MAX) {
logError(1, "%s%s:FW reported more than:%d points ",
tag, __func__, gesture_coords_reported);
logError(1, "for gestures!\n");
logError(1, " Decreasing to %d\n", GESTURE_COORDS_REPORT_MAX);
gesture_coords_reported = GESTURE_COORDS_REPORT_MAX;
}
logError(1, "%s %s: Offset: %02X %02X points = %d\n", tag,
__func__, rCmd[1], rCmd[2], gesture_coords_reported);
res = fts_readCmd(rCmd, 3, (unsigned char *)val,
1 + (gesture_coords_reported * 2));
if (res < OK) {
logError(1, "%s %s: Cannot read the coordinates! ERROR %08X\n",
tag, __func__, res);
gesture_coords_reported = ERROR_OP_NOT_ALLOW;
return res;
}
//all the points of the gesture are stored in val
for (i = 0; i < gesture_coords_reported; i++) {
//ignore first byte data because it is a dummy byte
gesture_coordinates_x[i] = (((u16) val[i * 2 + 1 + 1])
& 0x0F) << 8 | (((u16) val[i * 2 + 1]) & 0xFF);
gesture_coordinates_y[i] =
(((u16)val[gesture_coords_reported * 2
+ i * 2 + 1 + 1]) & 0x0F) << 8
| (((u16)val[gesture_coords_reported * 2
+ i * 2 + 1]) & 0xFF);
}
logError(1, "%s %s: Reading Gesture Coordinates DONE!\n",
tag, __func__);
return OK;
}
int getGestureCoords(u16 *x, u16 *y)
{
x = gesture_coordinates_x;
y = gesture_coordinates_y;
logError(1, "%s %s:Number of gesture coordinates returned = %d\n",
tag, __func__, gesture_coords_reported);
return gesture_coords_reported;
}