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authorVincent Cuissard <cuissard@marvell.com>2014-07-22 17:48:38 (GMT)
committerSamuel Ortiz <sameo@linux.intel.com>2014-09-01 12:40:31 (GMT)
commitcfdbeeafdbbdbc006f700e92cbad2cb5d4529f3d (patch)
treeecf3fc7d4cf0203573369febdedd3baced9a1593 /net
parentf23b73526b82ca2ef333362e704a51d817c1ffc1 (diff)
downloadlinux-cfdbeeafdbbdbc006f700e92cbad2cb5d4529f3d.tar.xz
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>
Diffstat (limited to 'net')
-rw-r--r--net/nfc/nci/core.c8
-rw-r--r--net/nfc/nci/ntf.c31
2 files changed, 39 insertions, 0 deletions
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 @@ static void nci_rf_discover_req(struct nci_dev *ndev, unsigned long opt)
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 @@ static __u8 *nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev,
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 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
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 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
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 @@ static int nci_add_new_protocol(struct nci_dev *ndev,
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 @@ static void nci_rf_discover_ntf_packet(struct nci_dev *ndev,
&(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 @@ static void nci_rf_intf_activated_ntf_packet(struct nci_dev *ndev,
&(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);