static void cyttsp5_i2c_shutdown(struct i2c_client *client)
{
struct device *dev = &client->dev;
const struct of_device_id *match;
struct cyttsp5_core_data *cd = i2c_get_clientdata(client);
cyttsp5_release(cd);
match = of_match_device(of_match_ptr(cyttsp5_i2c_of_match), dev);
if (match)
cyttsp5_devtree_clean_pdata(dev);
}
static int cyttsp5_i2c_probe(struct i2c_client *client,const struct i2c_device_id *i2c_id)
{
struct device *dev = &client->dev;
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
const struct of_device_id *match;
#endif
int rc;
rc = cyttsp5_pinctrl_init(&client->dev);
if (rc < 0){
return rc;
}
rc = pinctrl_select_state(cyttsp5_pctrl.pinctrl,cyttsp5_pctrl.gpio_state_active);
if (rc){
pr_err("%s:%d cyttsp5 cannot set pin to gpio_state_active state\n",__func__, __LINE__);
return -EIO;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
dev_err(dev, "I2C functionality not Supported\n");
return -EIO;
}
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
match = of_match_device(of_match_ptr(cyttsp5_i2c_of_match), dev);
if (match) {
rc = cyttsp5_devtree_create_and_get_pdata(dev);
if (rc < 0){
return rc;
}
}
#endif
cyttsp_power_on(&client->dev);
rc = cyttsp5_probe(&cyttsp5_i2c_bus_ops, &client->dev, client->irq,
CY_I2C_DATA_SIZE);
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
if (rc && match){
cyttsp5_devtree_clean_pdata(dev);
}
#endif
return rc;
}
static int cyttsp5_spi_remove(struct spi_device *spi)
{
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
struct device *dev = &spi->dev;
const struct of_device_id *match;
#endif
struct cyttsp5_core_data *cd = dev_get_drvdata(&spi->dev);
cyttsp5_release(cd);
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
match = of_match_device(of_match_ptr(cyttsp5_spi_of_match), dev);
if (match)
cyttsp5_devtree_clean_pdata(dev);
#endif
return 0;
}
static int cyttsp5_i2c_remove(struct i2c_client *client)
{
// struct device *dev = &client->dev;
struct cyttsp5_core_data *cd = i2c_get_clientdata(client);
cyttsp5_release(cd);
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
{
const struct of_device_id *match;
match = of_match_device(of_match_ptr(cyttsp5_i2c_of_match), dev);
if (match)
cyttsp5_devtree_clean_pdata(dev);
}
#endif
return 0;
}
static int cyttsp5_spi_probe(struct spi_device *spi)
{
struct device *dev = &spi->dev;
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
const struct of_device_id *match;
#endif
int rc;
/* Set up SPI*/
spi->bits_per_word = CY_SPI_BITS_PER_WORD;
spi->mode = SPI_MODE_0;
rc = spi_setup(spi);
if (rc < 0) {
dev_err(dev, "%s: SPI setup error %d\n", __func__, rc);
return rc;
}
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
match = of_match_device(of_match_ptr(cyttsp5_spi_of_match), dev);
if (match) {
rc = cyttsp5_devtree_create_and_get_pdata(dev);
if (rc < 0)
return rc;
}
#endif
rc = cyttsp5_probe(&cyttsp5_spi_bus_ops, &spi->dev, spi->irq,
CY_SPI_DATA_BUF_SIZE);
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
if (rc && match)
cyttsp5_devtree_clean_pdata(dev);
#endif
return rc;
}
/*****************************************************************
Parameters : client
i2c_id
Return :
Description : call cyttsp5_probe in cyttsp5_core.c
*****************************************************************/
static int cyttsp5_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *i2c_id)
{
struct device *dev = &client->dev;
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
const struct of_device_id *match = NULL;
#endif
int rc = 0;
if(already_has_tp_driver_running()) {
tp_log_warning("%s: Another tp driver is running!\n",__func__);
return 0;
}
tp_log_warning("%s %d:Probe start\n", __func__, __LINE__);
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
tp_log_err("%s %d:I2C functionality not Supported.\n", __func__, __LINE__);
return -EIO;
}
/* if support device tree, get pdata from device tree */
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
match = of_match_device(of_match_ptr(cyttsp5_i2c_of_match), dev);
if (match) {
rc = cyttsp5_devtree_create_and_get_pdata(dev);
if (rc < 0) {
tp_log_err("%s %d:device tree create and get pdata fail, rc = %d.\n",
__func__, __LINE__, rc);
return rc;
}
} else {
tp_log_err("%s %d:No device mathced.\n", __func__, __LINE__);
return -ENODEV;
}
#endif
#ifdef CONFIG_HUAWEI_DSM
tp_cyp_dclient = dsm_register_client(&dsm_cyp_tp);
if (!tp_cyp_dclient)
tp_log_err("%s: dsm register client failed\n", __func__);
#endif/*CONFIG_HUAWEI_DSM*/
rc = cyttsp5_probe(&cyttsp5_i2c_bus_ops, &client->dev, client->irq,
CY_I2C_DATA_SIZE);
#ifdef CONFIG_TOUCHSCREEN_CYPRESS_CYTTSP5_DEVICETREE_SUPPORT
if (rc && match) {
cyttsp5_devtree_clean_pdata(dev);
#ifdef CONFIG_HUAWEI_DSM
if (tp_cyp_dclient) {
dsm_unregister_client(tp_cyp_dclient, &dsm_cyp_tp);
tp_cyp_dclient = NULL;
}
#endif/*CONFIG_HUAWEI_DSM*/
tp_log_err("%s %d:cyttsp5 probe fail.\n", __func__, __LINE__);
return rc;
}
#endif
set_tp_driver_running();
tp_log_info("%s %d:cyttsp5 probe success.\n", __func__, __LINE__);
return rc;
}
