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NFC: pn544: Add firmware operations hci ops

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The firmware operation callback is passed by the physical layer to the
hci driver during probe. All the driver does is to store it and call it
when the fw_upload hci ops is invoked.

Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Eric Lapuyade 2013-07-19 14:58:39 +02:00 committed by Samuel Ortiz
parent 352a5f5fb3
commit 8bd7fc8995
4 changed files with 21 additions and 4 deletions
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2
drivers/nfc/pn544/i2c.c
View File

@ -428,7 +428,7 @@ static int pn544_hci_i2c_probe(struct i2c_client *client,
r = pn544_hci_probe(phy, &i2c_phy_ops, LLC_SHDLC_NAME,
PN544_I2C_FRAME_HEADROOM, PN544_I2C_FRAME_TAILROOM,
PN544_HCI_I2C_LLC_MAX_PAYLOAD, &phy->hdev);
PN544_HCI_I2C_LLC_MAX_PAYLOAD, NULL, &phy->hdev);
if (r < 0)
goto err_hci;

2
drivers/nfc/pn544/mei.c
View File

@ -45,7 +45,7 @@ static int pn544_mei_probe(struct mei_cl_device *device,
r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
&phy->hdev);
NULL, &phy->hdev);
if (r < 0) {
nfc_mei_phy_free(phy);

17
drivers/nfc/pn544/pn544.c
View File

@ -127,6 +127,8 @@ struct pn544_hci_info {
int async_cb_type;
data_exchange_cb_t async_cb;
void *async_cb_context;
fw_download_t fw_download;
};
static int pn544_hci_open(struct nfc_hci_dev *hdev)
@ -779,6 +781,17 @@ static int pn544_hci_event_received(struct nfc_hci_dev *hdev, u8 gate, u8 event,
return r;
}
static int pn544_hci_fw_download(struct nfc_hci_dev *hdev,
const char *firmware_name)
{
struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev);
if (info->fw_download == NULL)
return -ENOTSUPP;
return info->fw_download(info->phy_id, firmware_name);
}
static struct nfc_hci_ops pn544_hci_ops = {
.open = pn544_hci_open,
.close = pn544_hci_close,
@ -793,11 +806,12 @@ static struct nfc_hci_ops pn544_hci_ops = {
.tm_send = pn544_hci_tm_send,
.check_presence = pn544_hci_check_presence,
.event_received = pn544_hci_event_received,
.fw_download = pn544_hci_fw_download,
};
int pn544_hci_probe(void *phy_id, struct nfc_phy_ops *phy_ops, char *llc_name,
int phy_headroom, int phy_tailroom, int phy_payload,
struct nfc_hci_dev **hdev)
fw_download_t fw_download, struct nfc_hci_dev **hdev)
{
struct pn544_hci_info *info;
u32 protocols;
@ -813,6 +827,7 @@ int pn544_hci_probe(void *phy_id, struct nfc_phy_ops *phy_ops, char *llc_name,
info->phy_ops = phy_ops;
info->phy_id = phy_id;
info->fw_download = fw_download;
info->state = PN544_ST_COLD;
mutex_init(&info->info_lock);

4
drivers/nfc/pn544/pn544.h
View File

@ -27,9 +27,11 @@
#define PN544_HCI_MODE 0
#define PN544_FW_MODE 1
typedef int (*fw_download_t)(void *context, const char *firmware_name);
int pn544_hci_probe(void *phy_id, struct nfc_phy_ops *phy_ops, char *llc_name,
int phy_headroom, int phy_tailroom, int phy_payload,
struct nfc_hci_dev **hdev);
fw_download_t fw_download, struct nfc_hci_dev **hdev);
void pn544_hci_remove(struct nfc_hci_dev *hdev);
#endif /* __LOCAL_PN544_H_ */