- start 15693 implementation

[librfid] / rfid_asic_rc632.c

diff --git a/rfid_asic_rc632.c b/rfid_asic_rc632.c
index 234e7ab..b77050f 100644 (file)
--- a/rfid_asic_rc632.c
+++ b/rfid_asic_rc632.c
@@ -830,6 +830,255 @@ static int rc632_iso14443b_init(struct rfid_asic_handle *handle)
        return 0;
 }
 
+static int
+rc632_iso15693_init(struct rfid_asic_handle *h)
+{
+       int ret;
+
+       ret = rc632_reg_write(h, RC632_REG_TX_CONTROL,
+                                               (RC632_TXCTRL_MOD_SRC_INT |
+                                                RC632_TXCTRL_TX2_INV |
+                                                RC632_TXCTRL_TX2_RF_EN |
+                                                RC632_TXCTRL_TX1_RF_EN));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CW_CONDUCTANCE, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_CONDUCTANCE, 0x03);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CODER_CONTROL,
+                                               (RC632_CDRCTRL_RATE_15693 |
+                                                0x03)); /* FIXME */
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH, 0x3f);
+       if (ret < 0)
+               return ret;
+       
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH_SOF, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_TYPE_B_FRAMING, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_CONTROL1, 
+                                               (RC632_RXCTRL1_SUBCP_16 |
+                                                RC632_RXCTRL1_ISO15693 |
+                                                RC632_RXCTRL1_GAIN_35DB));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_DECODER_CONTROL,
+                                               (RC632_DECCTRL_RXFR_15693 |
+                                                RC632_DECCTRL_RX_INVERT));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_BIT_PHASE, 0xe0);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_THRESHOLD, 0xff);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_BPSK_DEM_CONTROL, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_CONTROL2,
+                                               (RC632_RXCTRL2_AUTO_PD |
+                                                RC632_RXCTRL2_DECSRC_INT));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CHANNEL_REDUNDANCY,
+                                               (RC632_CR_CRC3309 |
+                                                RC632_CR_RX_CRC_ENABLE |
+                                                RC632_CR_TX_CRC_ENABLE));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CRC_PRESET_LSB, 0xff);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CRC_PRESET_MSB, 0xff);
+       if (ret < 0)
+               return ret;
+
+       return 0;
+}
+
+static int
+rc632_iso15693_icode_init(struct rfid_asic_handle *h)
+{
+       int ret;
+
+       ret = rc632_reg_write(h, RC632_REG_TX_CONTROL,
+                                               (RC632_TXCTRL_MOD_SRC_INT |
+                                                RC632_TXCTRL_TX2_INV |
+                                                RC632_TXCTRL_TX2_RF_EN |
+                                                RC632_TXCTRL_TX1_RF_EN));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CW_CONDUCTANCE, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_CONDUCTANCE, 0x02);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CODER_CONTROL, 0x2c);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH_SOF, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH_SOF, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_TYPE_B_FRAMING, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_CONTROL1, 0x8b); /* FIXME */
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_DECODER_CONTROL, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_BIT_PHASE, 0x52);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_THRESHOLD, 0x66);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_BPSK_DEM_CONTROL, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_CONTROL2, 
+                                               RC632_RXCTRL2_DECSRC_INT);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CHANNEL_REDUNDANCY,
+                                               (RC632_CR_RX_CRC_ENABLE |
+                                                RC632_CR_TX_CRC_ENABLE));
+       ret = rc632_reg_write(h, RC632_REG_CRC_PRESET_LSB, 0xfe);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CRC_PRESET_MSB, 0xff);
+       if (ret < 0)
+               return ret;
+
+       return 0;
+}
+
+static int
+rc632_iso15693_icl_init(struct rfid_asic_handle *h)
+{
+       int ret;
+       
+       /* ICL */
+
+       ret = rc632_reg_write(h, RC632_REG_TX_CONTROL, 
+                                               (RC632_TXCTRL_MOD_SRC_INT |     
+                                                RC632_TXCTRL_TX2_INV |
+                                                RC632_TXCTRL_TX2_RF_EN |
+                                                RC632_TXCTRL_TX1_RF_EN));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CW_CONDUCTANCE, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_CONDUCTANCE, 0x11);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CODER_CONTROL, 
+                                               (RC632_CDRCTRL_RATE_15693 |
+                                                RC632_CDRCTRL_TXCD_ICODE_STD |
+                                                0x03)); /* FIXME */
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH, 0x3f);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_MOD_WIDTH_SOF, 0x3f);
+       if (ret < 0)
+               return ret;
+       ret = rc632_reg_write(h, RC632_REG_RX_CONTROL1, 
+                                               (RC632_RXCTRL1_SUBCP_16|
+                                                RC632_RXCTRL1_ISO15693|
+                                                RC632_RXCTRL1_GAIN_35DB));
+       if (ret < 0)
+               return ret;
+       ret = rc632_reg_write(h, RC632_REG_DECODER_CONTROL,
+                                               (RC632_DECCTRL_RX_INVERT|
+                                                RC632_DECCTRL_RXFR_15693));
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_BIT_PHASE, 0xbd);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_THRESHOLD, 0xff);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_BPSK_DEM_CONTROL, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_RX_CONTROL2, 
+                                               RC632_RXCTRL2_DECSRC_INT);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CHANNEL_REDUNDANCY, 0x00);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CRC_PRESET_LSB, 0x12);
+       if (ret < 0)
+               return ret;
+
+       ret = rc632_reg_write(h, RC632_REG_CRC_PRESET_MSB, 0xe0);
+       if (ret < 0)
+               return ret;
+
+       return 0;
+}
+
 
 struct rfid_asic rc632 = {
        .name   = "Philips CL RC632",
@@ -848,6 +1097,9 @@ struct rfid_asic rc632 = {
                .fn.iso14443b = {
                        .init = &rc632_iso14443b_init,
                },
+               .fn.iso15693 = {
+                       .init = &rc632_iso15693_init,
+               },
        },
 };