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NFC: st21nfcb: Add support for nci proprietary commands

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On st21nfcb, nci proprietary commands are available to run
specific chip operations (for example: power management)

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Christophe Ricard 2015-06-06 13:16:47 +02:00 committed by Samuel Ortiz
parent cc1417eb24
commit dbd70b4046
2 changed files with 27 additions and 0 deletions
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21
drivers/nfc/st21nfcb/st21nfcb.c
View File

@ -20,6 +20,8 @@
#include <linux/nfc.h>
#include <net/nfc/nci.h>
#include <net/nfc/nci_core.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include "st21nfcb.h"
#include "st21nfcb_se.h"
@ -76,6 +78,23 @@ static __u32 st21nfcb_nci_get_rfprotocol(struct nci_dev *ndev,
NFC_PROTO_ISO15693_MASK : 0;
}
static int st21nfcb_nci_prop_rsp_packet(struct nci_dev *ndev,
struct sk_buff *skb)
{
__u8 status = skb->data[0];
nci_req_complete(ndev, status);
return 0;
}
static struct nci_prop_ops st21nfcb_nci_prop_ops[] = {
{
.opcode = nci_opcode_pack(NCI_GID_PROPRIETARY,
ST21NFCB_NCI_CORE_PROP),
.rsp = st21nfcb_nci_prop_rsp_packet,
},
};
static struct nci_ops st21nfcb_nci_ops = {
.open = st21nfcb_nci_open,
.close = st21nfcb_nci_close,
@ -88,6 +107,8 @@ static struct nci_ops st21nfcb_nci_ops = {
.hci_load_session = st21nfcb_hci_load_session,
.hci_event_received = st21nfcb_hci_event_received,
.hci_cmd_received = st21nfcb_hci_cmd_received,
.prop_ops = st21nfcb_nci_prop_ops,
.n_prop_ops = ARRAY_SIZE(st21nfcb_nci_prop_ops),
};
int st21nfcb_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,

6
drivers/nfc/st21nfcb/st21nfcb.h
View File

@ -25,6 +25,12 @@
/* Define private flags: */
#define ST21NFCB_NCI_RUNNING 1
#define ST21NFCB_NCI_CORE_PROP 0x01
struct nci_mode_set_rsp {
u8 status;
} __packed;
struct st21nfcb_nci_info {
struct llt_ndlc *ndlc;
unsigned long flags;