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NFC: nci: Add firmware download support

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A simple forward for firmware download (i.e. sending a new firmware
to the NFC adapter) from the NFC subsystem to the drivers.

This feature is required to update the firmware of NXP-NCI NFC
controllers but can be used by any NCI driver.

This feature has been present in the HCI subsystem since 9a695d.

Signed-off-by: Clément Perrochaud <clement.perrochaud@effinnov.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Clément Perrochaud 2015-03-09 11:12:03 +01:00 committed by Samuel Ortiz
parent 5a352dd0a3
commit 25af01ed18
2 changed files with 12 additions and 0 deletions
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1
include/net/nfc/nci_core.h
View File

@ -71,6 +71,7 @@ struct nci_ops {
int (*close)(struct nci_dev *ndev);
int (*send)(struct nci_dev *ndev, struct sk_buff *skb);
int (*setup)(struct nci_dev *ndev);
int (*fw_download)(struct nci_dev *ndev, const char *firmware_name);
__u32 (*get_rfprotocol)(struct nci_dev *ndev, __u8 rf_protocol);
int (*discover_se)(struct nci_dev *ndev);
int (*disable_se)(struct nci_dev *ndev, u32 se_idx);

11
net/nfc/nci/core.c
View File

@ -907,6 +907,16 @@ static int nci_se_io(struct nfc_dev *nfc_dev, u32 se_idx,
return 0;
}
static int nci_fw_download(struct nfc_dev *nfc_dev, const char *firmware_name)
{
struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
if (!ndev->ops->fw_download)
return -ENOTSUPP;
return ndev->ops->fw_download(ndev, firmware_name);
}
static struct nfc_ops nci_nfc_ops = {
.dev_up = nci_dev_up,
.dev_down = nci_dev_down,
@ -922,6 +932,7 @@ static struct nfc_ops nci_nfc_ops = {
.disable_se = nci_disable_se,
.discover_se = nci_discover_se,
.se_io = nci_se_io,
.fw_download = nci_fw_download,
};
/* ---- Interface to NCI drivers ---- */