Files
drivers_framework/model/input/driver/hdf_touch.c
T
openharmony_ci 51ea46bb7d !15 轻内核VFS层重构,添加路径缓存
Merge pull request !15 from 野生毛霉君/noEmployeeNum_ChangeID_13306380_wangchenyang
2021-03-23 14:45:17 +08:00

833 lines
24 KiB
C

/*
* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
*
* HDF is dual licensed: you can use it either under the terms of
* the GPL, or the BSD license, at your option.
* See the LICENSE file in the root of this repository for complete details.
*/
#include "gpio_if.h"
#include "hdf_device_desc.h"
#include "hdf_log.h"
#include "osal_mem.h"
#include "osal_io.h"
#include "event_hub.h"
#include "hdf_touch.h"
#define I2C_TYPE 0
#define SPI_TYPE 1
#define MAX_TOUCH_DEVICE 5
#define REGISTER_BYTE_SIZE 4
#define TOUCH_CHIP_NAME_LEN 10
static TouchDriver *g_touchDriverList[MAX_TOUCH_DEVICE];
static void InputFrameReport(TouchDriver *driver);
#ifndef __KERNEL__
static int32_t IoctlReadInputEvent(TouchDriver *driver, unsigned long arg)
{
FrameData *frame = (FrameData *)(uintptr_t)arg;
if (frame == NULL) {
HDF_LOGE("%s: param is null", __func__);
return HDF_ERR_INVALID_PARAM;
}
int32_t ret = LOS_ArchCopyToUser(frame, &driver->frameData, sizeof(driver->frameData));
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s:copy frame data failed, ret %d", __func__, ret);
return HDF_FAILURE;
}
return HDF_SUCCESS;
}
static int32_t IoctlGetDeviceType(TouchDriver *driver, unsigned long arg)
{
int32_t ret;
uint8_t *devType = (uint8_t *)(uintptr_t)arg;
if (devType == NULL) {
HDF_LOGE("%s: param is null", __func__);
return HDF_ERR_INVALID_PARAM;
}
ret = LOS_ArchCopyToUser(devType, &driver->devType, sizeof(driver->devType));
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s:copy devType failed, ret %d", __func__, ret);
return HDF_FAILURE;
}
HDF_LOGI("%s: devType is %u", __func__, driver->devType);
return HDF_SUCCESS;
}
static int32_t IoctlGetChipName(TouchDriver *driver, unsigned long arg)
{
char *chipInfo = (char *)(uintptr_t)arg;
if (chipInfo == NULL) {
HDF_LOGE("%s: param is null", __func__);
return HDF_ERR_INVALID_PARAM;
}
int32_t ret = LOS_ArchCopyToUser(chipInfo, driver->device->chipName, TOUCH_CHIP_NAME_LEN);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s:copy chipInfo failed, ret %d", __func__, ret);
return HDF_FAILURE;
}
HDF_LOGI("%s: chipName is %s", __func__, driver->device->chipName);
return HDF_SUCCESS;
}
int32_t TouchIoctl(InputDevice *inputdev, int32_t cmd, unsigned long arg)
{
int32_t ret;
ChipDevice *device = (ChipDevice *)inputdev->pvtData;
TouchDriver *driver = device->driver;
switch (cmd) {
case INPUT_IOCTL_GET_EVENT_DATA:
ret = IoctlReadInputEvent(driver, arg);
break;
case INPUT_IOCTL_GET_DEVICE_TYPE:
ret = IoctlGetDeviceType(driver, arg);
break;
case INPUT_IOCTL_GET_CHIP_INFO:
ret = IoctlGetChipName(driver, arg);
break;
default:
ret = 0;
HDF_LOGE("%s: cmd unknown, cmd = 0x%x", __func__, cmd);
break;
}
return ret;
}
#ifndef CONFIG_DISABLE_POLL
uint32_t TouchPoll(FAR struct file *filep, InputDevice *inputDev, poll_table *wait)
{
uint32_t pollMask = 0;
InputDevice *inputdev = (InputDevice *)((struct drv_data*)filep->f_vnode->data)->priv;
if (inputdev == NULL) {
HDF_LOGE("%s: inputdev is null", __func__);
return pollMask;
}
ChipDevice *device = (ChipDevice *)inputdev->pvtData;
poll_wait(filep, &device->driver->pollWait, wait);
if (device->driver->dataHandledFlag == true) {
pollMask |= POLLIN;
}
device->driver->dataHandledFlag = false;
return pollMask;
}
#endif
#endif
static int32_t SetGpioDirAndLevel(int gpio, int dir, int level)
{
int32_t ret;
if (dir == GPIO_DIR_IN || dir == GPIO_DIR_OUT) {
ret = GpioSetDir(gpio, dir);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: set gpio%d to %d dir failed, ret %d", __func__, gpio, dir, ret);
return HDF_FAILURE;
}
}
if (level == GPIO_VAL_LOW || level == GPIO_VAL_HIGH) {
ret = GpioWrite(gpio, level);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: pull gpio%d to %d level failed, ret %d", __func__, gpio, level, ret);
return HDF_FAILURE;
}
}
return HDF_SUCCESS;
}
static int32_t SetVccPower(uint32_t status)
{
(void)status;
return HDF_SUCCESS;
}
static int32_t SetVciPower(uint32_t status)
{
(void)status;
return HDF_SUCCESS;
}
static int32_t SetGpio(uint16_t gpio, uint32_t dir, uint32_t status)
{
int32_t ret = SetGpioDirAndLevel(gpio, dir, status);
CHECK_RETURN_VALUE(ret);
return HDF_SUCCESS;
}
int32_t HandlePowerEvent(ChipDevice *chipDev, uint32_t *timing)
{
int32_t ret = 0;
uint16_t gpio;
uint32_t type = timing[PWR_TYPE_INDEX];
uint32_t status = timing[PWR_STATUS_INDEX];
uint32_t dir = timing[PWR_DIR_INDEX];
uint32_t delay = timing[PWR_DELAY_INDEX];
HDF_LOGD("%s: type = %d, status = %d, dir = %d, delay = %d", __func__, type, status, dir, delay);
switch (type) {
case TYPE_VCC:
ret = SetVccPower(status);
break;
case TYPE_VCI:
ret = SetVciPower(status);
break;
case TYPE_RESET:
gpio = chipDev->boardCfg->pins.rstGpio;
ret = SetGpio(gpio, dir, status);
break;
case TYPE_INT:
gpio = chipDev->boardCfg->pins.intGpio;
ret = SetGpio(gpio, dir, status);
break;
default:
HDF_LOGE("%s: unknown power type", __func__);
break;
}
if (delay > 0) {
OsalMSleep(delay);
}
return ret;
}
static int32_t InputPinMuxCfg(uint32_t regAddr, int32_t regSize, uint32_t regValue)
{
uint8_t *base = NULL;
if (regAddr == 0) {
HDF_LOGE("%s: regAddr invalid", __func__);
return HDF_FAILURE;
}
base = OsalIoRemap(regAddr, regSize);
if (base == NULL) {
HDF_LOGE("%s: ioremap failed", __func__);
return HDF_FAILURE;
}
OSAL_WRITEL(regValue, base);
OsalIoUnmap((void *)base);
return HDF_SUCCESS;
}
static int32_t SetPowerOnTiming(ChipDevice *chipDev)
{
int32_t i;
int32_t ret;
uint32_t rstPinAddr;
uint32_t rstPinValue;
uint32_t intPinAddr;
uint32_t intPinValue;
SeqArray pwrOnTiming = {0};
TouchDriver *driver = chipDev->driver;
rstPinAddr = driver->boardCfg->pins.rstPinReg[0];
rstPinValue = driver->boardCfg->pins.rstPinReg[1];
intPinAddr = driver->boardCfg->pins.intPinReg[0];
intPinValue = driver->boardCfg->pins.intPinReg[1];
if (InputPinMuxCfg(rstPinAddr, REGISTER_BYTE_SIZE, rstPinValue) != HDF_SUCCESS) {
return HDF_FAILURE;
}
if (InputPinMuxCfg(intPinAddr, REGISTER_BYTE_SIZE, intPinValue) != HDF_SUCCESS) {
return HDF_FAILURE;
}
HDF_LOGD("%s: rstPinAddr = 0x%x, rstPinValue = 0x%x, intPinAddr = 0x%x, intPinValue = 0x%x",
__func__, rstPinAddr, rstPinValue, intPinAddr, intPinValue);
ret = memcpy_s(&pwrOnTiming, sizeof(SeqArray), &chipDev->chipCfg->pwrSeq.pwrOn, sizeof(SeqArray));
if (ret != EOK) {
HDF_LOGE("%s: memcpy_s failed", __func__);
return HDF_FAILURE;
}
if ((pwrOnTiming.buf == NULL) || (pwrOnTiming.count == 0)) {
HDF_LOGE("%s: pwrOnTiming config is invalid", __func__);
return HDF_FAILURE;
}
for (i = 0; i < pwrOnTiming.count / PWR_CELL_LEN; i++) {
ret = HandlePowerEvent(chipDev, pwrOnTiming.buf);
CHECK_RETURN_VALUE(ret);
pwrOnTiming.buf = pwrOnTiming.buf + PWR_CELL_LEN;
}
return HDF_SUCCESS;
}
static void EventHandle(TouchDriver *driver, ChipDevice *chipDev)
{
int32_t ret;
if ((chipDev->ops == NULL) || (chipDev->ops->DataHandle == NULL)) {
return;
}
ret = chipDev->ops->DataHandle(chipDev);
if (ret == HDF_SUCCESS) {
InputFrameReport(driver);
}
}
int32_t IrqHandle(uint16_t intGpioNum, void *data)
{
TouchDriver *driver = (TouchDriver *)data;
int ret = GpioDisableIrq(intGpioNum);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: disable irq failed, ret %d", __func__, ret);
}
EventHandle(driver, driver->device);
ret = GpioEnableIrq(intGpioNum);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: enable irq failed, ret %d", __func__, ret);
}
return HDF_SUCCESS;
}
static void InputFrameReport(TouchDriver *driver)
{
InputDevice *dev = driver->inputDev;
FrameData *frame = &driver->frameData;
int32_t i;
OsalMutexLock(&driver->mutex);
for (i = 0; i < MAX_FINGERS_NUM; i++) {
if (frame->fingers[i].valid) {
input_report_abs(dev, ABS_MT_POSITION_X, frame->fingers[i].x);
input_report_abs(dev, ABS_MT_POSITION_Y, frame->fingers[i].y);
input_report_abs(dev, ABS_MT_TRACKING_ID, frame->fingers[i].trackId);
}
}
if ((frame->definedEvent == TOUCH_DOWN) || (frame->definedEvent == TOUCH_CONTACT)) {
input_report_key(dev, BTN_TOUCH, 1); // BTN_TOUCH DOWN
} else {
input_report_key(dev, BTN_TOUCH, 0); // BTN_TOUCH UP
}
OsalMutexUnlock(&driver->mutex);
input_sync(dev);
}
static int32_t SetupChipIrq(ChipDevice *chipDev)
{
int32_t ret;
uint16_t intGpioNum = chipDev->boardCfg->pins.intGpio;
uint16_t irqFlag = chipDev->chipCfg->bus.chipI2c.irqFlag;
irqFlag |= GPIO_IRQ_USING_THREAD;
HDF_LOGD("%s: gpioNum = %d, irqFlag = %d", __func__, intGpioNum, irqFlag);
ret = GpioSetIrq(intGpioNum, irqFlag, IrqHandle, chipDev->driver);
if (ret != 0) {
HDF_LOGE("%s: register irq failed, ret %d", __func__, ret);
return ret;
}
ret = GpioEnableIrq(intGpioNum);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: enable irq failed, ret %d", __func__, ret);
return HDF_FAILURE;
}
return HDF_SUCCESS;
}
static int32_t ChipDriverInit(ChipDevice *chipDev)
{
int32_t ret = SetPowerOnTiming(chipDev);
CHECK_RETURN_VALUE(ret);
if ((chipDev->ops == NULL) || (chipDev->ops->Detect == NULL)) {
return HDF_FAILURE;
}
ret = chipDev->ops->Detect(chipDev);
CHECK_RETURN_VALUE(ret);
HDF_LOGI("%s: chipDetect succ, ret = %d ", __func__, ret);
ret = SetupChipIrq(chipDev);
CHECK_RETURN_VALUE(ret);
return HDF_SUCCESS;
}
static InputDevice *InputDeviceInstance(ChipDevice *chipDev)
{
InputDevice *inputDev = (InputDevice *)OsalMemAlloc(sizeof(InputDevice));
if (inputDev == NULL) {
HDF_LOGE("%s: instance input device failed", __func__);
return NULL;
}
(void)memset_s(inputDev, sizeof(InputDevice), 0, sizeof(InputDevice));
inputDev->hdfDevObj = chipDev->driver->hdfTouchDev;
inputDev->pvtData = (void *)chipDev;
inputDev->devType = chipDev->driver->boardCfg->attr.devType;
inputDev->devName = chipDev->driver->devName;
HDF_LOGI("%s: inputDev->devName = %s", __func__, inputDev->devName);
return inputDev;
}
static int32_t ChipMatchCheck(const ChipDevice *chipDev, const TouchDriver *driver)
{
const struct DeviceResourceNode *boardNode = driver->boardCfg->boardNode;
const struct DeviceResourceNode *chipNode = chipDev->chipCfg->chipNode;
if (boardNode == NULL || boardNode->parent == NULL) {
HDF_LOGE("%s: board node or upper node is null", __func__);
return HDF_FAILURE;
}
if (chipNode == NULL || chipNode->parent == NULL || chipNode->parent->parent == NULL) {
HDF_LOGE("%s: chip node or upper node is null ", __func__);
return HDF_FAILURE;
}
if (boardNode->parent == chipNode->parent->parent) {
HDF_LOGI("%s: boardNode's father name = %s, chipNode's grandpa name = %s", __func__,
boardNode->parent->name, chipNode->parent->parent->name);
return HDF_SUCCESS;
}
return HDF_FAILURE;
}
static int32_t DeviceBindDriver(ChipDevice *chipDev)
{
TouchDriver *driver = NULL;
int32_t ret = HDF_FAILURE;
int32_t i;
for (i = 0; i < MAX_TOUCH_DEVICE; i++) {
if ((g_touchDriverList[i] != NULL) && g_touchDriverList[i]->initedFlag) {
ret = ChipMatchCheck(chipDev, g_touchDriverList[i]);
if (ret == HDF_SUCCESS) {
driver = g_touchDriverList[i];
break;
}
}
}
if (ret == HDF_FAILURE || driver == NULL) {
return HDF_FAILURE;
}
driver->i2cClient.i2cCfg.addr = chipDev->chipCfg->bus.chipI2c.commAddr;
driver->device = chipDev;
chipDev->driver = driver;
chipDev->boardCfg = driver->boardCfg;
return HDF_SUCCESS;
}
int32_t RegisterChipDevice(ChipDevice *chipDev)
{
int32_t ret;
InputDevice *inputDev = NULL;
if ((chipDev == NULL) || (chipDev->chipCfg == NULL)) {
return HDF_ERR_INVALID_PARAM;
}
ret = DeviceBindDriver(chipDev);
if (ret != HDF_SUCCESS) {
HDF_LOGE("%s: chip device match driver failed", __func__);
return HDF_FAILURE;
}
ret = ChipDriverInit(chipDev);
if (ret != HDF_SUCCESS) {
goto EXIT;
}
inputDev = InputDeviceInstance(chipDev);
if (inputDev == NULL) {
return HDF_ERR_MALLOC_FAIL;
}
ret = RegisterInputDevice(inputDev);
if (ret != HDF_SUCCESS) {
goto EXIT1;
}
chipDev->driver->inputDev = inputDev;
return HDF_SUCCESS;
EXIT1:
OsalMemFree(inputDev);
EXIT:
chipDev->driver->device = NULL;
return HDF_FAILURE;
}
static int32_t TouchGetDevType(TouchDriver *driver, struct HdfSBuf *reply)
{
uint32_t devType = driver->devType;
HDF_LOGI("%s: enter, devType is %d", __func__, devType);
bool ret = HdfSbufWriteUint32(reply, devType);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteUint32 failed", __func__);
return HDF_FAILURE;
}
return HDF_SUCCESS;
}
static int32_t TouchSetPowerStatus(TouchDriver *driver, struct HdfSBuf *data)
{
uint32_t pwrStatus;
bool ret = HdfSbufReadUint32(data, &pwrStatus);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteUint32 failed", __func__);
return HDF_FAILURE;
}
driver->pwrStatus = pwrStatus;
HDF_LOGI("%s: set power status is %d", __func__, pwrStatus);
return HDF_SUCCESS;
}
static int32_t TouchGetPowerStatus(TouchDriver *driver, struct HdfSBuf *reply)
{
uint32_t pwrStatus = driver->pwrStatus;
bool ret = HdfSbufWriteUint32(reply, pwrStatus);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteUint32 failed", __func__);
return HDF_FAILURE;
}
HDF_LOGI("%s: get power status is %d", __func__, pwrStatus);
return HDF_SUCCESS;
}
static int32_t TouchGetDeviceInfo(TouchDriver *driver, int32_t cmd, struct HdfSBuf *reply)
{
const char *info;
if (driver->device == NULL || driver->device->chipCfg == NULL) {
HDF_LOGE("%s: parameter invalid", __func__);
return HDF_ERR_INVALID_PARAM;
}
switch (cmd) {
case GET_CHIP_NAME:
info = driver->device->chipName;
break;
case GET_VENDOR_NAME:
info = driver->device->vendorName;
break;
case GET_CHIP_INFO:
info = driver->device->chipCfg->chipInfo;
break;
default:
info = NULL;
break;
}
bool ret = HdfSbufWriteString(reply, info);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteUint32 failed", __func__);
return HDF_FAILURE;
}
HDF_LOGD("%s: cmd is %s, the info is ", __func__, info);
return HDF_SUCCESS;
}
static int32_t TouchSetGestureMode(TouchDriver *driver, struct HdfSBuf *data)
{
uint32_t gestureMode;
bool ret = HdfSbufReadUint32(data, &gestureMode);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteUint32 failed", __func__);
return HDF_FAILURE;
}
driver->gestureMode = gestureMode;
HDF_LOGD("%s: set gesture mode is %d", __func__, gestureMode);
return HDF_SUCCESS;
}
static int32_t TouchSelfCapacitance(TouchDriver *driver, struct HdfSBuf *data, struct HdfSBuf *reply)
{
CapacitanceTestInfo capacTest = {0};
bool ret = HdfSbufReadUint32(data, &capacTest.testType);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteUint32 failed", __func__);
return HDF_FAILURE;
}
if (strncpy_s(capacTest.testResult, SELF_TEST_RESULT_LEN, "SUCCESS", sizeof("SUCCESS")) != EOK) {
HDF_LOGE("%s: strncpy_s fail", __func__);
return HDF_FAILURE;
}
ret = HdfSbufWriteString(reply, (const char *)capacTest.testResult);
if (!ret) {
HDF_LOGE("%s: HdfSbufWriteString failed", __func__);
return HDF_FAILURE;
}
HDF_LOGD("%s: capac test type is %d, test result is %s", __func__, capacTest.testType, capacTest.testResult);
return HDF_SUCCESS;
}
static int32_t TouchRunExtraCmd(TouchDriver *driver, struct HdfSBuf *data)
{
InputExtraCmd cmd = {0};
cmd.cmdCode = HdfSbufReadString(data);
if (cmd.cmdCode == NULL) {
HDF_LOGE("%s: HdfSbufReadString failed", __func__);
return HDF_FAILURE;
}
cmd.cmdValue = HdfSbufReadString(data);
if (cmd.cmdValue == NULL) {
HDF_LOGE("%s: HdfSbufReadString failed", __func__);
return HDF_FAILURE;
}
HDF_LOGD("%s: extra cmd code is %s, cmd value is %s", __func__, cmd.cmdCode, cmd.cmdValue);
return HDF_SUCCESS;
}
static int32_t HdfTouchDispatch(struct HdfDeviceIoClient *client, int32_t cmd,
struct HdfSBuf *data, struct HdfSBuf *reply)
{
(void)cmd;
int32_t ret;
TouchDriver *touchDriver = NULL;
if (client == NULL || client->device == NULL || data == NULL || reply == NULL) {
HDF_LOGE("%s: param is null", __func__);
return HDF_FAILURE;
}
touchDriver = (TouchDriver *)client->device->priv;
if (touchDriver == NULL) {
HDF_LOGE("%s: touchDriver is null", __func__);
return HDF_FAILURE;
}
switch (cmd) {
case GET_DEV_TYPE:
ret = TouchGetDevType(touchDriver, reply);
break;
case SET_PWR_STATUS:
ret = TouchSetPowerStatus(touchDriver, data);
break;
case GET_PWR_STATUS:
ret = TouchGetPowerStatus(touchDriver, reply);
break;
case GET_CHIP_NAME:
case GET_VENDOR_NAME:
case GET_CHIP_INFO:
ret = TouchGetDeviceInfo(touchDriver, cmd, reply);
break;
case SET_GESTURE_MODE:
ret = TouchSetGestureMode(touchDriver, data);
break;
case RUN_CAPAC_TEST:
ret = TouchSelfCapacitance(touchDriver, data, reply);
break;
case RUN_EXTRA_CMD:
ret = TouchRunExtraCmd(touchDriver, data);
break;
default:
ret = HDF_SUCCESS;
HDF_LOGE("%s: cmd unknown, cmd = 0x%x", __func__, cmd);
break;
}
return ret;
}
static int32_t TouchSetupBus(TouchDriver *driver, TouchBoardCfg *config)
{
uint8_t busType = config->bus.busType;
uint8_t busNum = config->bus.i2c.busNum;
if (busType == I2C_TYPE) {
uint32_t i2cClkAddr = config->bus.i2c.i2cClkReg[0];
uint32_t i2cClkValue = config->bus.i2c.i2cClkReg[1];
uint32_t i2cDataAddr = config->bus.i2c.i2cDataReg[0];
uint32_t i2cDataValue = config->bus.i2c.i2cDataReg[1];
if (InputPinMuxCfg(i2cClkAddr, REGISTER_BYTE_SIZE, i2cClkValue) != HDF_SUCCESS) {
return HDF_FAILURE;
}
if (InputPinMuxCfg(i2cDataAddr, REGISTER_BYTE_SIZE, i2cDataValue) != HDF_SUCCESS) {
return HDF_FAILURE;
}
/* get i2c handle */
driver->i2cClient.i2cHandle = I2cOpen(busNum);
if (driver->i2cClient.i2cHandle == NULL) {
HDF_LOGE("%s: open i2c%u failed", __func__, busNum);
return HDF_FAILURE;
}
return HDF_SUCCESS;
}
if (busType == SPI_TYPE) {
HDF_LOGI("%s: setup spi bus succ", __func__);
return HDF_SUCCESS;
}
return HDF_FAILURE;
}
static int32_t TouchInitData(TouchDriver *driver, TouchBoardCfg *config)
{
driver->devType = config->attr.devType;
driver->devName = config->attr.devName;
driver->i2cClient.i2cCfg.busNum = config->bus.i2c.busNum;
driver->irqStopFlag = false;
#ifdef __KERNEL__
init_waitqueue_head(&driver->pollWait);
#else
__init_waitqueue_head(&driver->pollWait);
#endif
return HDF_SUCCESS;
}
static int32_t TouchDriverInit(TouchDriver *driver, TouchBoardCfg *config)
{
int32_t ret = TouchInitData(driver, config);
CHECK_RETURN_VALUE(ret);
ret = TouchSetupBus(driver, config);
CHECK_RETURN_VALUE(ret);
ret = OsalMutexInit(&driver->mutex);
CHECK_RETURN_VALUE(ret);
driver->initedFlag = true;
return HDF_SUCCESS;
}
static TouchBoardCfg *BoardConfigInstance(struct HdfDeviceObject *device)
{
TouchBoardCfg *boardCfg = (TouchBoardCfg *)OsalMemAlloc(sizeof(TouchBoardCfg));
if (boardCfg == NULL) {
HDF_LOGE("%s: instance board config failed", __func__);
return NULL;
}
(void)memset_s(boardCfg, sizeof(TouchBoardCfg), 0, sizeof(TouchBoardCfg));
if (ParseTouchBoardConfig(device->property, boardCfg) != HDF_SUCCESS) {
HDF_LOGE("%s: parse board config failed", __func__);
OsalMemFree(boardCfg);
boardCfg = NULL;
}
return boardCfg;
}
static TouchDriver *TouchDriverInstance(void)
{
TouchDriver *touchDrv = (TouchDriver *)OsalMemAlloc(sizeof(TouchDriver));
if (touchDrv == NULL) {
HDF_LOGE("%s: instance touch driver failed", __func__);
return NULL;
}
(void)memset_s(touchDrv, sizeof(TouchDriver), 0, sizeof(TouchDriver));
return touchDrv;
}
static void AddTouchDriver(TouchDriver *driver)
{
int32_t i;
for (i = 0; i < MAX_TOUCH_DEVICE; i++) {
if (g_touchDriverList[i] == NULL) {
g_touchDriverList[i] = driver;
return;
}
}
}
static int32_t HdfTouchDriverBind(struct HdfDeviceObject *device)
{
if (device == NULL) {
HDF_LOGE("%s: param is null", __func__);
return HDF_ERR_INVALID_PARAM;
}
static struct IDeviceIoService touchService = {
.Dispatch = HdfTouchDispatch,
};
device->service = &touchService;
return HDF_SUCCESS;
}
static int32_t HdfTouchDriverProbe(struct HdfDeviceObject *device)
{
int32_t ret;
TouchBoardCfg *boardCfg = NULL;
TouchDriver *touchDriver = NULL;
HDF_LOGI("%s: enter", __func__);
if (device == NULL) {
HDF_LOGE("%s: param is null", __func__);
return HDF_ERR_INVALID_PARAM;
}
boardCfg = BoardConfigInstance(device);
if (boardCfg == NULL) {
return HDF_ERR_MALLOC_FAIL;
}
touchDriver = TouchDriverInstance();
if (touchDriver == NULL) {
goto EXIT;
}
ret = TouchDriverInit(touchDriver, boardCfg);
if (ret == HDF_SUCCESS) {
touchDriver->hdfTouchDev = device;
touchDriver->boardCfg = boardCfg;
AddTouchDriver(touchDriver);
device->priv = (void *)touchDriver;
HDF_LOGI("%s: %s exit succ", __func__, boardCfg->attr.devName);
return HDF_SUCCESS;
}
EXIT:
OsalMemFree(boardCfg);
if (touchDriver != NULL) {
touchDriver->boardCfg = NULL;
OsalMemFree(touchDriver);
}
return HDF_FAILURE;
}
static void HdfTouchDriverRelease(struct HdfDeviceObject *device)
{
TouchDriver *driver = NULL;
InputDevice *inputDev = NULL;
int32_t i;
if (device == NULL || device->priv == NULL) {
HDF_LOGE("%s: param is null", __func__);
return;
}
driver = device->priv;
for (i = 0; i < MAX_TOUCH_DEVICE; i++) {
if (g_touchDriverList[i] == driver) {
inputDev = driver->inputDev;
break;
}
}
if (inputDev != NULL) {
(void)UnregisterInputDevice(inputDev);
OsalMemFree(inputDev);
driver->inputDev = NULL;
}
OsalMutexDestroy(&driver->mutex);
OsalMemFree(driver);
if (i < MAX_TOUCH_DEVICE) {
g_touchDriverList[i] = NULL;
}
}
struct HdfDriverEntry g_hdfTouchEntry = {
.moduleVersion = 1,
.moduleName = "HDF_TOUCH",
.Bind = HdfTouchDriverBind,
.Init = HdfTouchDriverProbe,
.Release = HdfTouchDriverRelease,
};
HDF_INIT(g_hdfTouchEntry);