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Commit 6857bb96 authored by Mark A. Greer's avatar Mark A. Greer Committed by Samuel Ortiz
Browse files

NFC: trf7970a: Add support for Felica Type 3 tags 



Add support for the Felica protocol and Type 3 tags.
Both 212 and 424 kbps are supported.

Signed-off-by: default avatarMark A. Greer <mgreer@animalcreek.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent db3287da

drivers/nfc/trf7970a.c

+12 −1
Original line number Diff line number Diff line
@@ -105,7 +105,8 @@ 


#define TRF7970A_SUPPORTED_PROTOCOLS \

		(NFC_PROTO_MIFARE_MASK | NFC_PROTO_ISO14443_MASK |	\

		 NFC_PROTO_ISO14443_B_MASK | NFC_PROTO_ISO15693_MASK)

		 NFC_PROTO_ISO14443_B_MASK | NFC_PROTO_FELICA_MASK | \

		 NFC_PROTO_ISO15693_MASK)



#define TRF7970A_AUTOSUSPEND_DELAY		30000 /* 30 seconds */
@@ -867,6 +868,14 @@ static int trf7970a_config_rf_tech(struct trf7970a *trf, int tech) 
		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_14443B_106;

		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_ASK10;

		break;

	case NFC_DIGITAL_RF_TECH_212F:

		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_FELICA_212;

		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_ASK10;

		break;

	case NFC_DIGITAL_RF_TECH_424F:

		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_FELICA_424;

		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_ASK10;

		break;

	case NFC_DIGITAL_RF_TECH_ISO15693:

		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_15693_SGL_1OF4_2648;

		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_OOK;
@@ -898,6 +907,8 @@ static int trf7970a_config_framing(struct trf7970a *trf, int framing) 
	case NFC_DIGITAL_FRAMING_NFCA_T4T:

	case NFC_DIGITAL_FRAMING_NFCB:

	case NFC_DIGITAL_FRAMING_NFCB_T4T:

	case NFC_DIGITAL_FRAMING_NFCF:

	case NFC_DIGITAL_FRAMING_NFCF_T3T:

	case NFC_DIGITAL_FRAMING_ISO15693_INVENTORY:

	case NFC_DIGITAL_FRAMING_ISO15693_T5T:

		trf->tx_cmd = TRF7970A_CMD_TRANSMIT;