static int st21nfcb_nci_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct st21nfcb_i2c_phy *phy;
struct st21nfcb_nfc_platform_data *pdata;
int r;
dev_dbg(&client->dev, "%s\n", __func__);
dev_dbg(&client->dev, "IRQ: %d\n", client->irq);
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
nfc_err(&client->dev, "Need I2C_FUNC_I2C\n");
return -ENODEV;
}
phy = devm_kzalloc(&client->dev, sizeof(struct st21nfcb_i2c_phy),
GFP_KERNEL);
if (!phy) {
nfc_err(&client->dev,
"Cannot allocate memory for st21nfcb i2c phy.\n");
return -ENOMEM;
}
phy->i2c_dev = client;
i2c_set_clientdata(client, phy);
pdata = client->dev.platform_data;
if (!pdata && client->dev.of_node) {
r = st21nfcb_nci_i2c_of_request_resources(client);
if (r) {
nfc_err(&client->dev, "No platform data\n");
return r;
}
} else if (pdata) {
r = st21nfcb_nci_i2c_request_resources(client);
if (r) {
nfc_err(&client->dev,
"Cannot get platform resources\n");
return r;
}
} else {
nfc_err(&client->dev,
"st21nfcb platform resources not available\n");
return -ENODEV;
}
r = devm_request_threaded_irq(&client->dev, client->irq, NULL,
st21nfcb_nci_irq_thread_fn,
phy->irq_polarity | IRQF_ONESHOT,
ST21NFCB_NCI_DRIVER_NAME, phy);
if (r < 0) {
nfc_err(&client->dev, "Unable to register IRQ handler\n");
return r;
}
return ndlc_probe(phy, &i2c_phy_ops, &client->dev,
ST21NFCB_FRAME_HEADROOM, ST21NFCB_FRAME_TAILROOM,
&phy->ndlc);
}
static int st_nci_spi_probe(struct spi_device *dev)
{
struct st_nci_spi_phy *phy;
int r;
dev_dbg(&dev->dev, "%s\n", __func__);
dev_dbg(&dev->dev, "IRQ: %d\n", dev->irq);
/* Check SPI platform functionnalities */
if (!dev) {
pr_debug("%s: dev is NULL. Device is not accessible.\n",
__func__);
return -ENODEV;
}
phy = devm_kzalloc(&dev->dev, sizeof(struct st_nci_spi_phy),
GFP_KERNEL);
if (!phy)
return -ENOMEM;
phy->spi_dev = dev;
spi_set_drvdata(dev, phy);
r = devm_acpi_dev_add_driver_gpios(&dev->dev, acpi_st_nci_gpios);
if (r)
dev_dbg(&dev->dev, "Unable to add GPIO mapping table\n");
/* Get RESET GPIO */
phy->gpiod_reset = devm_gpiod_get(&dev->dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(phy->gpiod_reset)) {
nfc_err(&dev->dev, "Unable to get RESET GPIO\n");
return PTR_ERR(phy->gpiod_reset);
}
phy->se_status.is_ese_present =
device_property_read_bool(&dev->dev, "ese-present");
phy->se_status.is_uicc_present =
device_property_read_bool(&dev->dev, "uicc-present");
r = ndlc_probe(phy, &spi_phy_ops, &dev->dev,
ST_NCI_FRAME_HEADROOM, ST_NCI_FRAME_TAILROOM,
&phy->ndlc, &phy->se_status);
if (r < 0) {
nfc_err(&dev->dev, "Unable to register ndlc layer\n");
return r;
}
phy->irq_active = true;
r = devm_request_threaded_irq(&dev->dev, dev->irq, NULL,
st_nci_irq_thread_fn,
IRQF_ONESHOT,
ST_NCI_SPI_DRIVER_NAME, phy);
if (r < 0)
nfc_err(&dev->dev, "Unable to register IRQ handler\n");
return r;
}
static int st_nci_spi_probe(struct spi_device *dev)
{
struct st_nci_spi_phy *phy;
struct st_nci_nfc_platform_data *pdata;
int r;
dev_dbg(&dev->dev, "%s\n", __func__);
dev_dbg(&dev->dev, "IRQ: %d\n", dev->irq);
/* Check SPI platform functionnalities */
if (!dev) {
pr_debug("%s: dev is NULL. Device is not accessible.\n",
__func__);
return -ENODEV;
}
phy = devm_kzalloc(&dev->dev, sizeof(struct st_nci_spi_phy),
GFP_KERNEL);
if (!phy)
return -ENOMEM;
phy->spi_dev = dev;
spi_set_drvdata(dev, phy);
pdata = dev->dev.platform_data;
if (!pdata && dev->dev.of_node) {
r = st_nci_spi_of_request_resources(dev);
if (r) {
nfc_err(&dev->dev, "No platform data\n");
return r;
}
} else if (pdata) {
r = st_nci_spi_request_resources(dev);
if (r) {
nfc_err(&dev->dev,
"Cannot get platform resources\n");
return r;
}
} else {
nfc_err(&dev->dev,
"st_nci platform resources not available\n");
return -ENODEV;
}
r = ndlc_probe(phy, &spi_phy_ops, &dev->dev,
ST_NCI_FRAME_HEADROOM, ST_NCI_FRAME_TAILROOM,
&phy->ndlc, &phy->se_status);
if (r < 0) {
nfc_err(&dev->dev, "Unable to register ndlc layer\n");
return r;
}
phy->irq_active = true;
r = devm_request_threaded_irq(&dev->dev, dev->irq, NULL,
st_nci_irq_thread_fn,
phy->irq_polarity | IRQF_ONESHOT,
ST_NCI_SPI_DRIVER_NAME, phy);
if (r < 0)
nfc_err(&dev->dev, "Unable to register IRQ handler\n");
return r;
}
