NFC: NCI: Add support of ISO15693
Update nci.h to respect latest NCI specification proposal
(stop using proprietary opcodes). Handle ISO15693 parameters
in NCI_RF_ACTIVATED_NTF handler.
Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h
index fbfa4e4..9eca9ae 100644
--- a/include/net/nfc/nci.h
+++ b/include/net/nfc/nci.h
@@ -2,6 +2,7 @@
* The NFC Controller Interface is the communication protocol between an
* NFC Controller (NFCC) and a Device Host (DH).
*
+ * Copyright (C) 2014 Marvell International Ltd.
* Copyright (C) 2011 Texas Instruments, Inc.
*
* Written by Ilan Elias <ilane@ti.com>
@@ -65,19 +66,18 @@
#define NCI_NFC_F_PASSIVE_POLL_MODE 0x02
#define NCI_NFC_A_ACTIVE_POLL_MODE 0x03
#define NCI_NFC_F_ACTIVE_POLL_MODE 0x05
-#define NCI_NFC_15693_PASSIVE_POLL_MODE 0x06
+#define NCI_NFC_V_PASSIVE_POLL_MODE 0x06
#define NCI_NFC_A_PASSIVE_LISTEN_MODE 0x80
#define NCI_NFC_B_PASSIVE_LISTEN_MODE 0x81
#define NCI_NFC_F_PASSIVE_LISTEN_MODE 0x82
#define NCI_NFC_A_ACTIVE_LISTEN_MODE 0x83
#define NCI_NFC_F_ACTIVE_LISTEN_MODE 0x85
-#define NCI_NFC_15693_PASSIVE_LISTEN_MODE 0x86
/* NCI RF Technologies */
#define NCI_NFC_RF_TECHNOLOGY_A 0x00
#define NCI_NFC_RF_TECHNOLOGY_B 0x01
#define NCI_NFC_RF_TECHNOLOGY_F 0x02
-#define NCI_NFC_RF_TECHNOLOGY_15693 0x03
+#define NCI_NFC_RF_TECHNOLOGY_V 0x03
/* NCI Bit Rates */
#define NCI_NFC_BIT_RATE_106 0x00
@@ -87,6 +87,7 @@
#define NCI_NFC_BIT_RATE_1695 0x04
#define NCI_NFC_BIT_RATE_3390 0x05
#define NCI_NFC_BIT_RATE_6780 0x06
+#define NCI_NFC_BIT_RATE_26 0x20
/* NCI RF Protocols */
#define NCI_RF_PROTOCOL_UNKNOWN 0x00
@@ -95,6 +96,7 @@
#define NCI_RF_PROTOCOL_T3T 0x03
#define NCI_RF_PROTOCOL_ISO_DEP 0x04
#define NCI_RF_PROTOCOL_NFC_DEP 0x05
+#define NCI_RF_PROTOCOL_T5T 0x06
/* NCI RF Interfaces */
#define NCI_RF_INTERFACE_NFCEE_DIRECT 0x00
@@ -328,6 +330,12 @@
__u8 sensf_res[18]; /* 16 or 18 Bytes */
} __packed;
+struct rf_tech_specific_params_nfcv_poll {
+ __u8 res_flags;
+ __u8 dsfid;
+ __u8 uid[8]; /* 8 Bytes */
+} __packed;
+
struct nci_rf_discover_ntf {
__u8 rf_discovery_id;
__u8 rf_protocol;
@@ -338,6 +346,7 @@
struct rf_tech_specific_params_nfca_poll nfca_poll;
struct rf_tech_specific_params_nfcb_poll nfcb_poll;
struct rf_tech_specific_params_nfcf_poll nfcf_poll;
+ struct rf_tech_specific_params_nfcv_poll nfcv_poll;
} rf_tech_specific_params;
__u8 ntf_type;
@@ -372,6 +381,7 @@
struct rf_tech_specific_params_nfca_poll nfca_poll;
struct rf_tech_specific_params_nfcb_poll nfcb_poll;
struct rf_tech_specific_params_nfcf_poll nfcf_poll;
+ struct rf_tech_specific_params_nfcv_poll nfcv_poll;
} rf_tech_specific_params;
__u8 data_exch_rf_tech_and_mode;
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 2b400e1..8600808 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -231,6 +231,14 @@
cmd.num_disc_configs++;
}
+ if ((cmd.num_disc_configs < NCI_MAX_NUM_RF_CONFIGS) &&
+ (protocols & NFC_PROTO_ISO15693_MASK)) {
+ cmd.disc_configs[cmd.num_disc_configs].rf_tech_and_mode =
+ NCI_NFC_V_PASSIVE_POLL_MODE;
+ cmd.disc_configs[cmd.num_disc_configs].frequency = 1;
+ cmd.num_disc_configs++;
+ }
+
nci_send_cmd(ndev, NCI_OP_RF_DISCOVER_CMD,
(1 + (cmd.num_disc_configs * sizeof(struct disc_config))),
&cmd);
diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c
index df91bb9..25e44ce 100644
--- a/net/nfc/nci/ntf.c
+++ b/net/nfc/nci/ntf.c
@@ -2,6 +2,7 @@
* The NFC Controller Interface is the communication protocol between an
* NFC Controller (NFCC) and a Device Host (DH).
*
+ * Copyright (C) 2014 Marvell International Ltd.
* Copyright (C) 2011 Texas Instruments, Inc.
*
* Written by Ilan Elias <ilane@ti.com>
@@ -155,6 +156,17 @@
return data;
}
+static __u8 *nci_extract_rf_params_nfcv_passive_poll(struct nci_dev *ndev,
+ struct rf_tech_specific_params_nfcv_poll *nfcv_poll,
+ __u8 *data)
+{
+ ++data;
+ nfcv_poll->dsfid = *data++;
+ memcpy(nfcv_poll->uid, data, NFC_ISO15693_UID_MAXSIZE);
+ data += NFC_ISO15693_UID_MAXSIZE;
+ return data;
+}
+
static int nci_add_new_protocol(struct nci_dev *ndev,
struct nfc_target *target,
__u8 rf_protocol,
@@ -164,6 +176,7 @@
struct rf_tech_specific_params_nfca_poll *nfca_poll;
struct rf_tech_specific_params_nfcb_poll *nfcb_poll;
struct rf_tech_specific_params_nfcf_poll *nfcf_poll;
+ struct rf_tech_specific_params_nfcv_poll *nfcv_poll;
__u32 protocol;
if (rf_protocol == NCI_RF_PROTOCOL_T1T)
@@ -179,6 +192,8 @@
protocol = NFC_PROTO_FELICA_MASK;
else if (rf_protocol == NCI_RF_PROTOCOL_NFC_DEP)
protocol = NFC_PROTO_NFC_DEP_MASK;
+ else if (rf_protocol == NCI_RF_PROTOCOL_T5T)
+ protocol = NFC_PROTO_ISO15693_MASK;
else
protocol = 0;
@@ -213,6 +228,12 @@
memcpy(target->sensf_res, nfcf_poll->sensf_res,
target->sensf_res_len);
}
+ } else if (rf_tech_and_mode == NCI_NFC_V_PASSIVE_POLL_MODE) {
+ nfcv_poll = (struct rf_tech_specific_params_nfcv_poll *)params;
+
+ target->is_iso15693 = 1;
+ target->iso15693_dsfid = nfcv_poll->dsfid;
+ memcpy(target->iso15693_uid, nfcv_poll->uid, NFC_ISO15693_UID_MAXSIZE);
} else {
pr_err("unsupported rf_tech_and_mode 0x%x\n", rf_tech_and_mode);
return -EPROTO;
@@ -305,6 +326,11 @@
&(ntf.rf_tech_specific_params.nfcf_poll), data);
break;
+ case NCI_NFC_V_PASSIVE_POLL_MODE:
+ data = nci_extract_rf_params_nfcv_passive_poll(ndev,
+ &(ntf.rf_tech_specific_params.nfcv_poll), data);
+ break;
+
default:
pr_err("unsupported rf_tech_and_mode 0x%x\n",
ntf.rf_tech_and_mode);
@@ -455,6 +481,11 @@
&(ntf.rf_tech_specific_params.nfcf_poll), data);
break;
+ case NCI_NFC_V_PASSIVE_POLL_MODE:
+ data = nci_extract_rf_params_nfcv_passive_poll(ndev,
+ &(ntf.rf_tech_specific_params.nfcv_poll), data);
+ break;
+
default:
pr_err("unsupported activation_rf_tech_and_mode 0x%x\n",
ntf.activation_rf_tech_and_mode);
