diff options
Diffstat (limited to 'drivers/nfc/pn544/i2c.c')
| -rw-r--r-- | drivers/nfc/pn544/i2c.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c index d6185ff2f87..c7e277cddb4 100644 --- a/drivers/nfc/pn544/i2c.c +++ b/drivers/nfc/pn544/i2c.c @@ -58,6 +58,14 @@ MODULE_DEVICE_TABLE(i2c, pn544_hci_i2c_id_table); #define PN544_HCI_I2C_DRIVER_NAME "pn544_hci_i2c" +/* + * Exposed through the 4 most significant bytes + * from the HCI SW_VERSION first byte, a.k.a. + * SW RomLib. + */ +#define PN544_HW_VARIANT_C2 0xa +#define PN544_HW_VARIANT_C3 0xb + #define PN544_FW_CMD_WRITE 0x08 #define PN544_FW_CMD_CHECK 0x06 @@ -119,6 +127,8 @@ struct pn544_i2c_phy { unsigned int gpio_fw; unsigned int en_polarity; + u8 hw_variant; + struct work_struct fw_work; int fw_work_state; char firmware_name[NFC_FIRMWARE_NAME_MAXSIZE + 1]; @@ -469,7 +479,8 @@ static struct nfc_phy_ops i2c_phy_ops = { .disable = pn544_hci_i2c_disable, }; -static int pn544_hci_i2c_fw_download(void *phy_id, const char *firmware_name) +static int pn544_hci_i2c_fw_download(void *phy_id, const char *firmware_name, + u8 hw_variant) { struct pn544_i2c_phy *phy = phy_id; @@ -477,6 +488,7 @@ static int pn544_hci_i2c_fw_download(void *phy_id, const char *firmware_name) strcpy(phy->firmware_name, firmware_name); + phy->hw_variant = hw_variant; phy->fw_work_state = FW_WORK_STATE_START; schedule_work(&phy->fw_work); |