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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: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark A. Greer 2014-04-14 10:04:10 -07:00 committed by Samuel Ortiz
parent db3287da34
commit 6857bb9627
1 changed files with 12 additions and 1 deletions
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13
drivers/nfc/trf7970a.c
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@ -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;