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Commit ed06aeef authored by Christophe Ricard's avatar Christophe Ricard Committed by Samuel Ortiz
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nfc: st-nci: Rename st21nfcb to st-nci 

STMicroelectronics NFC NCI chips family is extending
with the new ST21NFCC using the AMS AS39230 RF booster.
The st21nfcb driver is relevant for this solution and
might be with future products.
Signed-off-by: default avatarChristophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 2df7f8c6
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Showing with 585 additions and 291 deletions
Documentation/devicetree/bindings/net/nfc/st21nfcb.txt → Documentation/devicetree/bindings/net/nfc/st-nci.txt
View file @ ed06aeef
* STMicroelectronics SAS. ST21NFCB NFC Controller
* STMicroelectronics SAS. ST NCI NFC Controller
Required properties:
- compatible: Should be "st,st21nfcb-i2c".
- compatible: Should be "st,st21nfcb-i2c" or "st,st21nfcc-i2c".
- clock-frequency: I²C work frequency.
- reg: address on the bus
- interrupt-parent: phandle for the interrupt gpio controller
......
drivers/nfc/Kconfig
View file @ ed06aeef
......@@ -72,6 +72,6 @@ source "drivers/nfc/pn544/Kconfig"
source "drivers/nfc/microread/Kconfig"
source "drivers/nfc/nfcmrvl/Kconfig"
source "drivers/nfc/st21nfca/Kconfig"
source "drivers/nfc/st21nfcb/Kconfig"
source "drivers/nfc/st-nci/Kconfig"
source "drivers/nfc/nxp-nci/Kconfig"
endmenu
drivers/nfc/Makefile
View file @ ed06aeef
......@@ -12,5 +12,5 @@ obj-$(CONFIG_NFC_PORT100) += port100.o
obj-$(CONFIG_NFC_MRVL) += nfcmrvl/
obj-$(CONFIG_NFC_TRF7970A) += trf7970a.o
obj-$(CONFIG_NFC_ST21NFCA) += st21nfca/
obj-$(CONFIG_NFC_ST21NFCB) += st21nfcb/
obj-$(CONFIG_NFC_ST_NCI) += st-nci/
obj-$(CONFIG_NFC_NXP_NCI) += nxp-nci/
drivers/nfc/st21nfcb/Kconfig → drivers/nfc/st-nci/Kconfig
View file @ ed06aeef
config NFC_ST21NFCB
tristate "STMicroelectronics ST21NFCB NFC driver"
config NFC_ST_NCI
tristate "STMicroelectronics ST NCI NFC driver"
depends on NFC_NCI
default n
---help---
STMicroelectronics ST21NFCB core driver. It implements the chipset
STMicroelectronics NFC NCI chips core driver. It implements the chipset
NCI logic and hooks into the NFC kernel APIs. Physical layers will
register against it.
To compile this driver as a module, choose m here. The module will
be called st21nfcb.
be called st-nci.
Say N if unsure.
config NFC_ST21NFCB_I2C
tristate "NFC ST21NFCB i2c support"
depends on NFC_ST21NFCB && I2C
config NFC_ST_NCI_I2C
tristate "NFC ST NCI i2c support"
depends on NFC_ST_NCI && I2C
---help---
This module adds support for the STMicroelectronics st21nfcb i2c interface.
This module adds support for an I2C interface to the
STMicroelectronics NFC NCI chips familly.
Select this if your platform is using the i2c bus.
If you choose to build a module, it'll be called st21nfcb_i2c.
If you choose to build a module, it'll be called st-nci_i2c.
Say N if unsure.
drivers/nfc/st-nci/Makefile 0 → 100644
View file @ ed06aeef
#
# Makefile for ST21NFCB NCI based NFC driver
#
st-nci-objs = ndlc.o core.o st-nci_se.o
obj-$(CONFIG_NFC_ST_NCI) += st-nci.o
st-nci_i2c-objs = i2c.o
obj-$(CONFIG_NFC_ST_NCI_I2C) += st-nci_i2c.o
drivers/nfc/st21nfcb/st21nfcb.c → drivers/nfc/st-nci/core.c
View file @ ed06aeef
/*
* NCI based Driver for STMicroelectronics NFC Chip
*
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -23,73 +23,73 @@
#include <linux/gpio.h>
#include <linux/delay.h>
#include "st21nfcb.h"
#include "st21nfcb_se.h"
#include "st-nci.h"
#include "st-nci_se.h"
#define DRIVER_DESC "NCI NFC driver for ST21NFCB"
#define DRIVER_DESC "NCI NFC driver for ST_NCI"
#define ST21NFCB_NCI1_X_PROPRIETARY_ISO15693 0x83
#define ST_NCI1_X_PROPRIETARY_ISO15693 0x83
static int st21nfcb_nci_init(struct nci_dev *ndev)
static int st_nci_init(struct nci_dev *ndev)
{
struct nci_mode_set_cmd cmd;
cmd.cmd_type = ST21NFCB_NCI_SET_NFC_MODE;
cmd.cmd_type = ST_NCI_SET_NFC_MODE;
cmd.mode = 1;
return nci_prop_cmd(ndev, ST21NFCB_NCI_CORE_PROP,
return nci_prop_cmd(ndev, ST_NCI_CORE_PROP,
sizeof(struct nci_mode_set_cmd), (__u8 *)&cmd);
}
static int st21nfcb_nci_open(struct nci_dev *ndev)
static int st_nci_open(struct nci_dev *ndev)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
int r;
if (test_and_set_bit(ST21NFCB_NCI_RUNNING, &info->flags))
if (test_and_set_bit(ST_NCI_RUNNING, &info->flags))
return 0;
r = ndlc_open(info->ndlc);
if (r)
clear_bit(ST21NFCB_NCI_RUNNING, &info->flags);
clear_bit(ST_NCI_RUNNING, &info->flags);
return r;
}
static int st21nfcb_nci_close(struct nci_dev *ndev)
static int st_nci_close(struct nci_dev *ndev)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
if (!test_bit(ST21NFCB_NCI_RUNNING, &info->flags))
if (!test_bit(ST_NCI_RUNNING, &info->flags))
return 0;
ndlc_close(info->ndlc);
clear_bit(ST21NFCB_NCI_RUNNING, &info->flags);
clear_bit(ST_NCI_RUNNING, &info->flags);
return 0;
}
static int st21nfcb_nci_send(struct nci_dev *ndev, struct sk_buff *skb)
static int st_nci_send(struct nci_dev *ndev, struct sk_buff *skb)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
skb->dev = (void *)ndev;
if (!test_bit(ST21NFCB_NCI_RUNNING, &info->flags))
if (!test_bit(ST_NCI_RUNNING, &info->flags))
return -EBUSY;
return ndlc_send(info->ndlc, skb);
}
static __u32 st21nfcb_nci_get_rfprotocol(struct nci_dev *ndev,
static __u32 st_nci_get_rfprotocol(struct nci_dev *ndev,
__u8 rf_protocol)
{
return rf_protocol == ST21NFCB_NCI1_X_PROPRIETARY_ISO15693 ?
return rf_protocol == ST_NCI1_X_PROPRIETARY_ISO15693 ?
NFC_PROTO_ISO15693_MASK : 0;
}
static int st21nfcb_nci_prop_rsp_packet(struct nci_dev *ndev,
static int st_nci_prop_rsp_packet(struct nci_dev *ndev,
struct sk_buff *skb)
{
__u8 status = skb->data[0];
......@@ -98,40 +98,40 @@ static int st21nfcb_nci_prop_rsp_packet(struct nci_dev *ndev,
return 0;
}
static struct nci_prop_ops st21nfcb_nci_prop_ops[] = {
static struct nci_prop_ops st_nci_prop_ops[] = {
{
.opcode = nci_opcode_pack(NCI_GID_PROPRIETARY,
ST21NFCB_NCI_CORE_PROP),
.rsp = st21nfcb_nci_prop_rsp_packet,
ST_NCI_CORE_PROP),
.rsp = st_nci_prop_rsp_packet,
},
};
static struct nci_ops st21nfcb_nci_ops = {
.init = st21nfcb_nci_init,
.open = st21nfcb_nci_open,
.close = st21nfcb_nci_close,
.send = st21nfcb_nci_send,
.get_rfprotocol = st21nfcb_nci_get_rfprotocol,
.discover_se = st21nfcb_nci_discover_se,
.enable_se = st21nfcb_nci_enable_se,
.disable_se = st21nfcb_nci_disable_se,
.se_io = st21nfcb_nci_se_io,
.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),
static struct nci_ops st_nci_ops = {
.init = st_nci_init,
.open = st_nci_open,
.close = st_nci_close,
.send = st_nci_send,
.get_rfprotocol = st_nci_get_rfprotocol,
.discover_se = st_nci_discover_se,
.enable_se = st_nci_enable_se,
.disable_se = st_nci_disable_se,
.se_io = st_nci_se_io,
.hci_load_session = st_nci_hci_load_session,
.hci_event_received = st_nci_hci_event_received,
.hci_cmd_received = st_nci_hci_cmd_received,
.prop_ops = st_nci_prop_ops,
.n_prop_ops = ARRAY_SIZE(st_nci_prop_ops),
};
int st21nfcb_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
int st_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
int phy_tailroom)
{
struct st21nfcb_nci_info *info;
struct st_nci_info *info;
int r;
u32 protocols;
info = devm_kzalloc(ndlc->dev,
sizeof(struct st21nfcb_nci_info), GFP_KERNEL);
sizeof(struct st_nci_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
......@@ -143,7 +143,7 @@ int st21nfcb_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
| NFC_PROTO_ISO15693_MASK
| NFC_PROTO_NFC_DEP_MASK;
ndlc->ndev = nci_allocate_device(&st21nfcb_nci_ops, protocols,
ndlc->ndev = nci_allocate_device(&st_nci_ops, protocols,
phy_headroom, phy_tailroom);
if (!ndlc->ndev) {
pr_err("Cannot allocate nfc ndev\n");
......@@ -160,20 +160,20 @@ int st21nfcb_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
return r;
}
return st21nfcb_se_init(ndlc->ndev);
return st_nci_se_init(ndlc->ndev);
}
EXPORT_SYMBOL_GPL(st21nfcb_nci_probe);
EXPORT_SYMBOL_GPL(st_nci_probe);
void st21nfcb_nci_remove(struct nci_dev *ndev)
void st_nci_remove(struct nci_dev *ndev)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
ndlc_close(info->ndlc);
nci_unregister_device(ndev);
nci_free_device(ndev);
}
EXPORT_SYMBOL_GPL(st21nfcb_nci_remove);
EXPORT_SYMBOL_GPL(st_nci_remove);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION(DRIVER_DESC);
drivers/nfc/st21nfcb/i2c.c → drivers/nfc/st-nci/i2c.c
View file @ ed06aeef
/*
* I2C Link Layer for ST21NFCB NCI based Driver
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* I2C Link Layer for ST NCI NFC controller familly based Driver
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -25,7 +25,7 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/nfc.h>
#include <linux/platform_data/st21nfcb.h>
#include <linux/platform_data/st_nci.h>
#include "ndlc.h"
......@@ -35,18 +35,18 @@
#define ST21NFCB_FRAME_HEADROOM 1
#define ST21NFCB_FRAME_TAILROOM 0
#define ST21NFCB_NCI_I2C_MIN_SIZE 4 /* PCB(1) + NCI Packet header(3) */
#define ST21NFCB_NCI_I2C_MAX_SIZE 250 /* req 4.2.1 */
#define ST_NCI_I2C_MIN_SIZE 4 /* PCB(1) + NCI Packet header(3) */
#define ST_NCI_I2C_MAX_SIZE 250 /* req 4.2.1 */
#define ST21NFCB_NCI_I2C_DRIVER_NAME "st21nfcb_nci_i2c"
#define ST_NCI_I2C_DRIVER_NAME "st_nci_i2c"
static struct i2c_device_id st21nfcb_nci_i2c_id_table[] = {
{ST21NFCB_NCI_DRIVER_NAME, 0},
static struct i2c_device_id st_nci_i2c_id_table[] = {
{ST_NCI_DRIVER_NAME, 0},
{}
};
MODULE_DEVICE_TABLE(i2c, st21nfcb_nci_i2c_id_table);
MODULE_DEVICE_TABLE(i2c, st_nci_i2c_id_table);
struct st21nfcb_i2c_phy {
struct st_nci_i2c_phy {
struct i2c_client *i2c_dev;
struct llt_ndlc *ndlc;
......@@ -61,9 +61,9 @@ do { \
16, 1, (skb)->data, (skb)->len, 0); \
} while (0)
static int st21nfcb_nci_i2c_enable(void *phy_id)
static int st_nci_i2c_enable(void *phy_id)
{
struct st21nfcb_i2c_phy *phy = phy_id;
struct st_nci_i2c_phy *phy = phy_id;
gpio_set_value(phy->gpio_reset, 0);
usleep_range(10000, 15000);
......@@ -76,9 +76,9 @@ static int st21nfcb_nci_i2c_enable(void *phy_id)
return 0;
}
static void st21nfcb_nci_i2c_disable(void *phy_id)
static void st_nci_i2c_disable(void *phy_id)
{
struct st21nfcb_i2c_phy *phy = phy_id;
struct st_nci_i2c_phy *phy = phy_id;
disable_irq_nosync(phy->i2c_dev->irq);
}
......@@ -88,13 +88,13 @@ static void st21nfcb_nci_i2c_disable(void *phy_id)
* It must return either zero for success, or <0 for error.
* In addition, it must not alter the skb
*/
static int st21nfcb_nci_i2c_write(void *phy_id, struct sk_buff *skb)
static int st_nci_i2c_write(void *phy_id, struct sk_buff *skb)
{
int r = -1;
struct st21nfcb_i2c_phy *phy = phy_id;
struct st_nci_i2c_phy *phy = phy_id;
struct i2c_client *client = phy->i2c_dev;
I2C_DUMP_SKB("st21nfcb_nci_i2c_write", skb);
I2C_DUMP_SKB("st_nci_i2c_write", skb);
if (phy->ndlc->hard_fault != 0)
return phy->ndlc->hard_fault;
......@@ -124,40 +124,40 @@ static int st21nfcb_nci_i2c_write(void *phy_id, struct sk_buff *skb)
* at end of read)
* -EREMOTEIO : i2c read error (fatal)
* -EBADMSG : frame was incorrect and discarded
* (value returned from st21nfcb_nci_i2c_repack)
* (value returned from st_nci_i2c_repack)
* -EIO : if no ST21NFCB_SOF_EOF is found after reaching
* the read length end sequence
*/
static int st21nfcb_nci_i2c_read(struct st21nfcb_i2c_phy *phy,
static int st_nci_i2c_read(struct st_nci_i2c_phy *phy,
struct sk_buff **skb)
{
int r;
u8 len;
u8 buf[ST21NFCB_NCI_I2C_MAX_SIZE];
u8 buf[ST_NCI_I2C_MAX_SIZE];
struct i2c_client *client = phy->i2c_dev;
r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
r = i2c_master_recv(client, buf, ST_NCI_I2C_MIN_SIZE);
if (r < 0) { /* Retry, chip was in standby */
usleep_range(1000, 4000);
r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
r = i2c_master_recv(client, buf, ST_NCI_I2C_MIN_SIZE);
}
if (r != ST21NFCB_NCI_I2C_MIN_SIZE)
if (r != ST_NCI_I2C_MIN_SIZE)
return -EREMOTEIO;
len = be16_to_cpu(*(__be16 *) (buf + 2));
if (len > ST21NFCB_NCI_I2C_MAX_SIZE) {
if (len > ST_NCI_I2C_MAX_SIZE) {
nfc_err(&client->dev, "invalid frame len\n");
return -EBADMSG;
}
*skb = alloc_skb(ST21NFCB_NCI_I2C_MIN_SIZE + len, GFP_KERNEL);
*skb = alloc_skb(ST_NCI_I2C_MIN_SIZE + len, GFP_KERNEL);
if (*skb == NULL)
return -ENOMEM;
skb_reserve(*skb, ST21NFCB_NCI_I2C_MIN_SIZE);
skb_put(*skb, ST21NFCB_NCI_I2C_MIN_SIZE);
memcpy((*skb)->data, buf, ST21NFCB_NCI_I2C_MIN_SIZE);
skb_reserve(*skb, ST_NCI_I2C_MIN_SIZE);
skb_put(*skb, ST_NCI_I2C_MIN_SIZE);
memcpy((*skb)->data, buf, ST_NCI_I2C_MIN_SIZE);
if (!len)
return 0;
......@@ -169,7 +169,7 @@ static int st21nfcb_nci_i2c_read(struct st21nfcb_i2c_phy *phy,
}
skb_put(*skb, len);
memcpy((*skb)->data + ST21NFCB_NCI_I2C_MIN_SIZE, buf, len);
memcpy((*skb)->data + ST_NCI_I2C_MIN_SIZE, buf, len);
I2C_DUMP_SKB("i2c frame read", *skb);
......@@ -181,9 +181,9 @@ static int st21nfcb_nci_i2c_read(struct st21nfcb_i2c_phy *phy,
*
* On ST21NFCB, IRQ goes in idle state when read starts.
*/
static irqreturn_t st21nfcb_nci_irq_thread_fn(int irq, void *phy_id)
static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id)
{
struct st21nfcb_i2c_phy *phy = phy_id;
struct st_nci_i2c_phy *phy = phy_id;
struct i2c_client *client;
struct sk_buff *skb = NULL;
int r;
......@@ -200,11 +200,11 @@ static irqreturn_t st21nfcb_nci_irq_thread_fn(int irq, void *phy_id)
return IRQ_HANDLED;
if (!phy->ndlc->powered) {
st21nfcb_nci_i2c_disable(phy);
st_nci_i2c_disable(phy);
return IRQ_HANDLED;
}
r = st21nfcb_nci_i2c_read(phy, &skb);
r = st_nci_i2c_read(phy, &skb);
if (r == -EREMOTEIO || r == -ENOMEM || r == -EBADMSG)
return IRQ_HANDLED;
......@@ -214,15 +214,15 @@ static irqreturn_t st21nfcb_nci_irq_thread_fn(int irq, void *phy_id)
}
static struct nfc_phy_ops i2c_phy_ops = {
.write = st21nfcb_nci_i2c_write,
.enable = st21nfcb_nci_i2c_enable,
.disable = st21nfcb_nci_i2c_disable,
.write = st_nci_i2c_write,
.enable = st_nci_i2c_enable,
.disable = st_nci_i2c_disable,
};
#ifdef CONFIG_OF
static int st21nfcb_nci_i2c_of_request_resources(struct i2c_client *client)
static int st_nci_i2c_of_request_resources(struct i2c_client *client)
{
struct st21nfcb_i2c_phy *phy = i2c_get_clientdata(client);
struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
struct device_node *pp;
int gpio;
int r;
......@@ -253,16 +253,16 @@ static int st21nfcb_nci_i2c_of_request_resources(struct i2c_client *client)
return 0;
}
#else
static int st21nfcb_nci_i2c_of_request_resources(struct i2c_client *client)
static int st_nci_i2c_of_request_resources(struct i2c_client *client)
{
return -ENODEV;
}
#endif
static int st21nfcb_nci_i2c_request_resources(struct i2c_client *client)
static int st_nci_i2c_request_resources(struct i2c_client *client)
{
struct st21nfcb_nfc_platform_data *pdata;
struct st21nfcb_i2c_phy *phy = i2c_get_clientdata(client);
struct st_nci_nfc_platform_data *pdata;
struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
int r;
pdata = client->dev.platform_data;
......@@ -285,11 +285,11 @@ static int st21nfcb_nci_i2c_request_resources(struct i2c_client *client)
return 0;
}
static int st21nfcb_nci_i2c_probe(struct i2c_client *client,
static int st_nci_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct st21nfcb_i2c_phy *phy;
struct st21nfcb_nfc_platform_data *pdata;
struct st_nci_i2c_phy *phy;
struct st_nci_nfc_platform_data *pdata;
int r;
dev_dbg(&client->dev, "%s\n", __func__);
......@@ -300,7 +300,7 @@ static int st21nfcb_nci_i2c_probe(struct i2c_client *client,
return -ENODEV;
}
phy = devm_kzalloc(&client->dev, sizeof(struct st21nfcb_i2c_phy),
phy = devm_kzalloc(&client->dev, sizeof(struct st_nci_i2c_phy),
GFP_KERNEL);
if (!phy)
return -ENOMEM;
......@@ -311,13 +311,13 @@ static int st21nfcb_nci_i2c_probe(struct i2c_client *client,
pdata = client->dev.platform_data;
if (!pdata && client->dev.of_node) {
r = st21nfcb_nci_i2c_of_request_resources(client);
r = st_nci_i2c_of_request_resources(client);
if (r) {
nfc_err(&client->dev, "No platform data\n");
return r;
}
} else if (pdata) {
r = st21nfcb_nci_i2c_request_resources(client);
r = st_nci_i2c_request_resources(client);
if (r) {
nfc_err(&client->dev,
"Cannot get platform resources\n");
......@@ -338,18 +338,18 @@ static int st21nfcb_nci_i2c_probe(struct i2c_client *client,
}
r = devm_request_threaded_irq(&client->dev, client->irq, NULL,
st21nfcb_nci_irq_thread_fn,
st_nci_irq_thread_fn,
phy->irq_polarity | IRQF_ONESHOT,
ST21NFCB_NCI_DRIVER_NAME, phy);
ST_NCI_DRIVER_NAME, phy);
if (r < 0)
nfc_err(&client->dev, "Unable to register IRQ handler\n");
return r;
}
static int st21nfcb_nci_i2c_remove(struct i2c_client *client)
static int st_nci_i2c_remove(struct i2c_client *client)
{
struct st21nfcb_i2c_phy *phy = i2c_get_clientdata(client);
struct st_nci_i2c_phy *phy = i2c_get_clientdata(client);
dev_dbg(&client->dev, "%s\n", __func__);
......@@ -359,26 +359,27 @@ static int st21nfcb_nci_i2c_remove(struct i2c_client *client)
}
#ifdef CONFIG_OF
static const struct of_device_id of_st21nfcb_i2c_match[] = {
static const struct of_device_id of_st_nci_i2c_match[] = {
{ .compatible = "st,st21nfcb-i2c", },
{ .compatible = "st,st21nfcb_i2c", },
{ .compatible = "st,st21nfcc-i2c", },
{}
};
MODULE_DEVICE_TABLE(of, of_st21nfcb_i2c_match);
MODULE_DEVICE_TABLE(of, of_st_nci_i2c_match);
#endif
static struct i2c_driver st21nfcb_nci_i2c_driver = {
static struct i2c_driver st_nci_i2c_driver = {
.driver = {
.owner = THIS_MODULE,
.name = ST21NFCB_NCI_I2C_DRIVER_NAME,
.of_match_table = of_match_ptr(of_st21nfcb_i2c_match),
.name = ST_NCI_I2C_DRIVER_NAME,
.of_match_table = of_match_ptr(of_st_nci_i2c_match),
},
.probe = st21nfcb_nci_i2c_probe,
.id_table = st21nfcb_nci_i2c_id_table,
.remove = st21nfcb_nci_i2c_remove,
.probe = st_nci_i2c_probe,
.id_table = st_nci_i2c_id_table,
.remove = st_nci_i2c_remove,
};
module_i2c_driver(st21nfcb_nci_i2c_driver);
module_i2c_driver(st_nci_i2c_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION(DRIVER_DESC);
drivers/nfc/st21nfcb/ndlc.c → drivers/nfc/st-nci/ndlc.c
View file @ ed06aeef
/*
* Low Level Transport (NDLC) Driver for STMicroelectronics NFC Chip
*
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -20,7 +20,7 @@
#include <net/nfc/nci_core.h>
#include "ndlc.h"
#include "st21nfcb.h"
#include "st-nci.h"
#define NDLC_TIMER_T1 100
#define NDLC_TIMER_T1_WAIT 400
......@@ -68,13 +68,13 @@ void ndlc_close(struct llt_ndlc *ndlc)
{
struct nci_mode_set_cmd cmd;
cmd.cmd_type = ST21NFCB_NCI_SET_NFC_MODE;
cmd.cmd_type = ST_NCI_SET_NFC_MODE;
cmd.mode = 0;
/* toggle reset pin */
ndlc->ops->enable(ndlc->phy_id);
nci_prop_cmd(ndlc->ndev, ST21NFCB_NCI_CORE_PROP,
nci_prop_cmd(ndlc->ndev, ST_NCI_CORE_PROP,
sizeof(struct nci_mode_set_cmd), (__u8 *)&cmd);
ndlc->powered = 0;
......@@ -293,13 +293,13 @@ int ndlc_probe(void *phy_id, struct nfc_phy_ops *phy_ops, struct device *dev,
INIT_WORK(&ndlc->sm_work, llt_ndlc_sm_work);
return st21nfcb_nci_probe(ndlc, phy_headroom, phy_tailroom);
return st_nci_probe(ndlc, phy_headroom, phy_tailroom);
}
EXPORT_SYMBOL(ndlc_probe);
void ndlc_remove(struct llt_ndlc *ndlc)
{
st21nfcb_nci_remove(ndlc->ndev);
st_nci_remove(ndlc->ndev);
/* cancel timers */
del_timer_sync(&ndlc->t1_timer);
......
drivers/nfc/st21nfcb/ndlc.h → drivers/nfc/st-nci/ndlc.h
View file @ ed06aeef
/*
* NCI based Driver for STMicroelectronics NFC Chip
*
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -43,7 +43,7 @@ struct llt_ndlc {
struct device *dev;
/*
* < 0 if hardware error occured
* < 0 if hardware error occurred
* and prevents normal operation.
*/
int hard_fault;
......
drivers/nfc/st21nfcb/st21nfcb.h → drivers/nfc/st-nci/st-nci.h
View file @ ed06aeef
......@@ -16,17 +16,17 @@
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LOCAL_ST21NFCB_H_
#define __LOCAL_ST21NFCB_H_
#ifndef __LOCAL_ST_NCI_H_
#define __LOCAL_ST_NCI_H_
#include "st21nfcb_se.h"
#include "st-nci_se.h"
#include "ndlc.h"
/* Define private flags: */
#define ST21NFCB_NCI_RUNNING 1
#define ST_NCI_RUNNING 1
#define ST21NFCB_NCI_CORE_PROP 0x01
#define ST21NFCB_NCI_SET_NFC_MODE 0x02
#define ST_NCI_CORE_PROP 0x01
#define ST_NCI_SET_NFC_MODE 0x02
struct nci_mode_set_cmd {
u8 cmd_type;
......@@ -37,14 +37,14 @@ struct nci_mode_set_rsp {
u8 status;
} __packed;
struct st21nfcb_nci_info {
struct st_nci_info {
struct llt_ndlc *ndlc;
unsigned long flags;
struct st21nfcb_se_info se_info;
struct st_nci_se_info se_info;
};
void st21nfcb_nci_remove(struct nci_dev *ndev);
int st21nfcb_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
void st_nci_remove(struct nci_dev *ndev);
int st_nci_probe(struct llt_ndlc *ndlc, int phy_headroom,
int phy_tailroom);
#endif /* __LOCAL_ST21NFCB_H_ */
#endif /* __LOCAL_ST_NCI_H_ */
drivers/nfc/st21nfcb/st21nfcb_se.c → drivers/nfc/st-nci/st-nci_se.c
View file @ ed06aeef
/*
* NCI based Driver for STMicroelectronics NFC Chip
* Secure Element driver for STMicroelectronics NFC NCI chip
*
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -22,10 +22,10 @@
#include <net/nfc/nci.h>
#include <net/nfc/nci_core.h>
#include "st21nfcb.h"
#include "st21nfcb_se.h"
#include "st-nci.h"
#include "st-nci_se.h"
struct st21nfcb_pipe_info {
struct st_nci_pipe_info {
u8 pipe_state;
u8 src_host_id;
u8 src_gate_id;
......@@ -34,166 +34,166 @@ struct st21nfcb_pipe_info {
} __packed;
/* Hosts */
#define ST21NFCB_HOST_CONTROLLER_ID 0x00
#define ST21NFCB_TERMINAL_HOST_ID 0x01
#define ST21NFCB_UICC_HOST_ID 0x02
#define ST21NFCB_ESE_HOST_ID 0xc0
#define ST_NCI_HOST_CONTROLLER_ID 0x00
#define ST_NCI_TERMINAL_HOST_ID 0x01
#define ST_NCI_UICC_HOST_ID 0x02
#define ST_NCI_ESE_HOST_ID 0xc0
/* Gates */
#define ST21NFCB_DEVICE_MGNT_GATE 0x01
#define ST21NFCB_APDU_READER_GATE 0xf0
#define ST21NFCB_CONNECTIVITY_GATE 0x41
#define ST_NCI_DEVICE_MGNT_GATE 0x01
#define ST_NCI_APDU_READER_GATE 0xf0
#define ST_NCI_CONNECTIVITY_GATE 0x41
/* Pipes */
#define ST21NFCB_DEVICE_MGNT_PIPE 0x02
#define ST_NCI_DEVICE_MGNT_PIPE 0x02
/* Connectivity pipe only */
#define ST21NFCB_SE_COUNT_PIPE_UICC 0x01
#define ST_NCI_SE_COUNT_PIPE_UICC 0x01
/* Connectivity + APDU Reader pipe */
#define ST21NFCB_SE_COUNT_PIPE_EMBEDDED 0x02
#define ST_NCI_SE_COUNT_PIPE_EMBEDDED 0x02
#define ST21NFCB_SE_TO_HOT_PLUG 1000 /* msecs */
#define ST21NFCB_SE_TO_PIPES 2000
#define ST_NCI_SE_TO_HOT_PLUG 1000 /* msecs */
#define ST_NCI_SE_TO_PIPES 2000
#define ST21NFCB_EVT_HOT_PLUG_IS_INHIBITED(x) (x->data[0] & 0x80)
#define ST_NCI_EVT_HOT_PLUG_IS_INHIBITED(x) (x->data[0] & 0x80)
#define NCI_HCI_APDU_PARAM_ATR 0x01
#define NCI_HCI_ADMIN_PARAM_SESSION_IDENTITY 0x01
#define NCI_HCI_ADMIN_PARAM_WHITELIST 0x03
#define NCI_HCI_ADMIN_PARAM_HOST_LIST 0x04
#define ST21NFCB_EVT_SE_HARD_RESET 0x20
#define ST21NFCB_EVT_TRANSMIT_DATA 0x10
#define ST21NFCB_EVT_WTX_REQUEST 0x11
#define ST21NFCB_EVT_SE_SOFT_RESET 0x11
#define ST21NFCB_EVT_SE_END_OF_APDU_TRANSFER 0x21
#define ST21NFCB_EVT_HOT_PLUG 0x03
#define ST_NCI_EVT_SE_HARD_RESET 0x20
#define ST_NCI_EVT_TRANSMIT_DATA 0x10
#define ST_NCI_EVT_WTX_REQUEST 0x11
#define ST_NCI_EVT_SE_SOFT_RESET 0x11
#define ST_NCI_EVT_SE_END_OF_APDU_TRANSFER 0x21
#define ST_NCI_EVT_HOT_PLUG 0x03
#define ST21NFCB_SE_MODE_OFF 0x00
#define ST21NFCB_SE_MODE_ON 0x01
#define ST_NCI_SE_MODE_OFF 0x00
#define ST_NCI_SE_MODE_ON 0x01
#define ST21NFCB_EVT_CONNECTIVITY 0x10
#define ST21NFCB_EVT_TRANSACTION 0x12
#define ST_NCI_EVT_CONNECTIVITY 0x10
#define ST_NCI_EVT_TRANSACTION 0x12
#define ST21NFCB_DM_GETINFO 0x13
#define ST21NFCB_DM_GETINFO_PIPE_LIST 0x02
#define ST21NFCB_DM_GETINFO_PIPE_INFO 0x01
#define ST21NFCB_DM_PIPE_CREATED 0x02
#define ST21NFCB_DM_PIPE_OPEN 0x04
#define ST21NFCB_DM_RF_ACTIVE 0x80
#define ST21NFCB_DM_DISCONNECT 0x30
#define ST_NCI_DM_GETINFO 0x13
#define ST_NCI_DM_GETINFO_PIPE_LIST 0x02
#define ST_NCI_DM_GETINFO_PIPE_INFO 0x01
#define ST_NCI_DM_PIPE_CREATED 0x02
#define ST_NCI_DM_PIPE_OPEN 0x04
#define ST_NCI_DM_RF_ACTIVE 0x80
#define ST_NCI_DM_DISCONNECT 0x30
#define ST21NFCB_DM_IS_PIPE_OPEN(p) \
((p & 0x0f) == (ST21NFCB_DM_PIPE_CREATED | ST21NFCB_DM_PIPE_OPEN))
#define ST_NCI_DM_IS_PIPE_OPEN(p) \
((p & 0x0f) == (ST_NCI_DM_PIPE_CREATED | ST_NCI_DM_PIPE_OPEN))
#define ST21NFCB_ATR_DEFAULT_BWI 0x04
#define ST_NCI_ATR_DEFAULT_BWI 0x04
/*
* WT = 2^BWI/10[s], convert into msecs and add a secure
* room by increasing by 2 this timeout
*/
#define ST21NFCB_BWI_TO_TIMEOUT(x) ((1 << x) * 200)
#define ST21NFCB_ATR_GET_Y_FROM_TD(x) (x >> 4)
#define ST_NCI_BWI_TO_TIMEOUT(x) ((1 << x) * 200)
#define ST_NCI_ATR_GET_Y_FROM_TD(x) (x >> 4)
/* If TA is present bit 0 is set */
#define ST21NFCB_ATR_TA_PRESENT(x) (x & 0x01)
#define ST_NCI_ATR_TA_PRESENT(x) (x & 0x01)
/* If TB is present bit 1 is set */
#define ST21NFCB_ATR_TB_PRESENT(x) (x & 0x02)
#define ST_NCI_ATR_TB_PRESENT(x) (x & 0x02)
#define ST21NFCB_NUM_DEVICES 256
#define ST_NCI_NUM_DEVICES 256
static DECLARE_BITMAP(dev_mask, ST21NFCB_NUM_DEVICES);
static DECLARE_BITMAP(dev_mask, ST_NCI_NUM_DEVICES);
/* Here are the mandatory pipe for st21nfcb */
static struct nci_hci_gate st21nfcb_gates[] = {
/* Here are the mandatory pipe for st_nci */
static struct nci_hci_gate st_nci_gates[] = {
{NCI_HCI_ADMIN_GATE, NCI_HCI_ADMIN_PIPE,
ST21NFCB_HOST_CONTROLLER_ID},
ST_NCI_HOST_CONTROLLER_ID},
{NCI_HCI_LINK_MGMT_GATE, NCI_HCI_LINK_MGMT_PIPE,
ST21NFCB_HOST_CONTROLLER_ID},
{ST21NFCB_DEVICE_MGNT_GATE, ST21NFCB_DEVICE_MGNT_PIPE,
ST21NFCB_HOST_CONTROLLER_ID},
ST_NCI_HOST_CONTROLLER_ID},
{ST_NCI_DEVICE_MGNT_GATE, ST_NCI_DEVICE_MGNT_PIPE,
ST_NCI_HOST_CONTROLLER_ID},
/* Secure element pipes are created by secure element host */
{ST21NFCB_CONNECTIVITY_GATE, NCI_HCI_DO_NOT_OPEN_PIPE,
ST21NFCB_HOST_CONTROLLER_ID},
{ST21NFCB_APDU_READER_GATE, NCI_HCI_DO_NOT_OPEN_PIPE,
ST21NFCB_HOST_CONTROLLER_ID},
{ST_NCI_CONNECTIVITY_GATE, NCI_HCI_DO_NOT_OPEN_PIPE,
ST_NCI_HOST_CONTROLLER_ID},
{ST_NCI_APDU_READER_GATE, NCI_HCI_DO_NOT_OPEN_PIPE,
ST_NCI_HOST_CONTROLLER_ID},
};
static u8 st21nfcb_se_get_bwi(struct nci_dev *ndev)
static u8 st_nci_se_get_bwi(struct nci_dev *ndev)
{
int i;
u8 td;
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
/* Bits 8 to 5 of the first TB for T=1 encode BWI from zero to nine */
for (i = 1; i < ST21NFCB_ESE_MAX_LENGTH; i++) {
td = ST21NFCB_ATR_GET_Y_FROM_TD(info->se_info.atr[i]);
if (ST21NFCB_ATR_TA_PRESENT(td))
for (i = 1; i < ST_NCI_ESE_MAX_LENGTH; i++) {
td = ST_NCI_ATR_GET_Y_FROM_TD(info->se_info.atr[i]);
if (ST_NCI_ATR_TA_PRESENT(td))
i++;
if (ST21NFCB_ATR_TB_PRESENT(td)) {
if (ST_NCI_ATR_TB_PRESENT(td)) {
i++;
return info->se_info.atr[i] >> 4;
}
}
return ST21NFCB_ATR_DEFAULT_BWI;
return ST_NCI_ATR_DEFAULT_BWI;
}
static void st21nfcb_se_get_atr(struct nci_dev *ndev)
static void st_nci_se_get_atr(struct nci_dev *ndev)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
int r;
struct sk_buff *skb;
r = nci_hci_get_param(ndev, ST21NFCB_APDU_READER_GATE,
r = nci_hci_get_param(ndev, ST_NCI_APDU_READER_GATE,
NCI_HCI_APDU_PARAM_ATR, &skb);
if (r < 0)
return;
if (skb->len <= ST21NFCB_ESE_MAX_LENGTH) {
if (skb->len <= ST_NCI_ESE_MAX_LENGTH) {
memcpy(info->se_info.atr, skb->data, skb->len);
info->se_info.wt_timeout =
ST21NFCB_BWI_TO_TIMEOUT(st21nfcb_se_get_bwi(ndev));
ST_NCI_BWI_TO_TIMEOUT(st_nci_se_get_bwi(ndev));
}
kfree_skb(skb);
}
int st21nfcb_hci_load_session(struct nci_dev *ndev)
int st_nci_hci_load_session(struct nci_dev *ndev)
{
int i, j, r;
struct sk_buff *skb_pipe_list, *skb_pipe_info;
struct st21nfcb_pipe_info *dm_pipe_info;
u8 pipe_list[] = { ST21NFCB_DM_GETINFO_PIPE_LIST,
ST21NFCB_TERMINAL_HOST_ID};
u8 pipe_info[] = { ST21NFCB_DM_GETINFO_PIPE_INFO,
ST21NFCB_TERMINAL_HOST_ID, 0};
struct st_nci_pipe_info *dm_pipe_info;
u8 pipe_list[] = { ST_NCI_DM_GETINFO_PIPE_LIST,
ST_NCI_TERMINAL_HOST_ID};
u8 pipe_info[] = { ST_NCI_DM_GETINFO_PIPE_INFO,
ST_NCI_TERMINAL_HOST_ID, 0};
/* On ST21NFCB device pipes number are dynamics
/* On ST_NCI device pipes number are dynamics
* If pipes are already created, hci_dev_up will fail.
* Doing a clear all pipe is a bad idea because:
* - It does useless EEPROM cycling
* - It might cause issue for secure elements support
* (such as removing connectivity or APDU reader pipe)
* A better approach on ST21NFCB is to:
* A better approach on ST_NCI is to:
* - get a pipe list for each host.
* (eg: ST21NFCB_HOST_CONTROLLER_ID for now).
* (eg: ST_NCI_HOST_CONTROLLER_ID for now).
* (TODO Later on UICC HOST and eSE HOST)
* - get pipe information
* - match retrieved pipe list in st21nfcb_gates
* ST21NFCB_DEVICE_MGNT_GATE is a proprietary gate
* with ST21NFCB_DEVICE_MGNT_PIPE.
* - match retrieved pipe list in st_nci_gates
* ST_NCI_DEVICE_MGNT_GATE is a proprietary gate
* with ST_NCI_DEVICE_MGNT_PIPE.
* Pipe can be closed and need to be open.
*/
r = nci_hci_connect_gate(ndev, ST21NFCB_HOST_CONTROLLER_ID,
ST21NFCB_DEVICE_MGNT_GATE,
ST21NFCB_DEVICE_MGNT_PIPE);
r = nci_hci_connect_gate(ndev, ST_NCI_HOST_CONTROLLER_ID,
ST_NCI_DEVICE_MGNT_GATE,
ST_NCI_DEVICE_MGNT_PIPE);
if (r < 0)
goto free_info;
/* Get pipe list */
r = nci_hci_send_cmd(ndev, ST21NFCB_DEVICE_MGNT_GATE,
ST21NFCB_DM_GETINFO, pipe_list, sizeof(pipe_list),
r = nci_hci_send_cmd(ndev, ST_NCI_DEVICE_MGNT_GATE,
ST_NCI_DM_GETINFO, pipe_list, sizeof(pipe_list),
&skb_pipe_list);
if (r < 0)
goto free_info;
......@@ -201,8 +201,8 @@ int st21nfcb_hci_load_session(struct nci_dev *ndev)
/* Complete the existing gate_pipe table */
for (i = 0; i < skb_pipe_list->len; i++) {
pipe_info[2] = skb_pipe_list->data[i];
r = nci_hci_send_cmd(ndev, ST21NFCB_DEVICE_MGNT_GATE,
ST21NFCB_DM_GETINFO, pipe_info,
r = nci_hci_send_cmd(ndev, ST_NCI_DEVICE_MGNT_GATE,
ST_NCI_DM_GETINFO, pipe_info,
sizeof(pipe_info), &skb_pipe_info);
if (r)
......@@ -217,81 +217,81 @@ int st21nfcb_hci_load_session(struct nci_dev *ndev)
* - destination hid (1byte)
* - destination gid (1byte)
*/
dm_pipe_info = (struct st21nfcb_pipe_info *)skb_pipe_info->data;
if (dm_pipe_info->dst_gate_id == ST21NFCB_APDU_READER_GATE &&
dm_pipe_info->src_host_id != ST21NFCB_ESE_HOST_ID) {
dm_pipe_info = (struct st_nci_pipe_info *)skb_pipe_info->data;
if (dm_pipe_info->dst_gate_id == ST_NCI_APDU_READER_GATE &&
dm_pipe_info->src_host_id != ST_NCI_ESE_HOST_ID) {
pr_err("Unexpected apdu_reader pipe on host %x\n",
dm_pipe_info->src_host_id);
continue;
}
for (j = 0; (j < ARRAY_SIZE(st21nfcb_gates)) &&
(st21nfcb_gates[j].gate != dm_pipe_info->dst_gate_id); j++)
for (j = 0; (j < ARRAY_SIZE(st_nci_gates)) &&
(st_nci_gates[j].gate != dm_pipe_info->dst_gate_id); j++)
;
if (j < ARRAY_SIZE(st21nfcb_gates) &&
st21nfcb_gates[j].gate == dm_pipe_info->dst_gate_id &&
ST21NFCB_DM_IS_PIPE_OPEN(dm_pipe_info->pipe_state)) {
st21nfcb_gates[j].pipe = pipe_info[2];
if (j < ARRAY_SIZE(st_nci_gates) &&
st_nci_gates[j].gate == dm_pipe_info->dst_gate_id &&
ST_NCI_DM_IS_PIPE_OPEN(dm_pipe_info->pipe_state)) {
st_nci_gates[j].pipe = pipe_info[2];
ndev->hci_dev->gate2pipe[st21nfcb_gates[j].gate] =
st21nfcb_gates[j].pipe;
ndev->hci_dev->pipes[st21nfcb_gates[j].pipe].gate =
st21nfcb_gates[j].gate;
ndev->hci_dev->pipes[st21nfcb_gates[j].pipe].host =
ndev->hci_dev->gate2pipe[st_nci_gates[j].gate] =
st_nci_gates[j].pipe;
ndev->hci_dev->pipes[st_nci_gates[j].pipe].gate =
st_nci_gates[j].gate;
ndev->hci_dev->pipes[st_nci_gates[j].pipe].host =
dm_pipe_info->src_host_id;
}
}
memcpy(ndev->hci_dev->init_data.gates, st21nfcb_gates,
sizeof(st21nfcb_gates));
memcpy(ndev->hci_dev->init_data.gates, st_nci_gates,
sizeof(st_nci_gates));
free_info:
kfree_skb(skb_pipe_info);
kfree_skb(skb_pipe_list);
return r;
}
EXPORT_SYMBOL_GPL(st21nfcb_hci_load_session);
EXPORT_SYMBOL_GPL(st_nci_hci_load_session);
static void st21nfcb_hci_admin_event_received(struct nci_dev *ndev,
static void st_nci_hci_admin_event_received(struct nci_dev *ndev,
u8 event, struct sk_buff *skb)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
switch (event) {
case ST21NFCB_EVT_HOT_PLUG:
case ST_NCI_EVT_HOT_PLUG:
if (info->se_info.se_active) {
if (!ST21NFCB_EVT_HOT_PLUG_IS_INHIBITED(skb)) {
if (!ST_NCI_EVT_HOT_PLUG_IS_INHIBITED(skb)) {
del_timer_sync(&info->se_info.se_active_timer);
info->se_info.se_active = false;
complete(&info->se_info.req_completion);
} else {
mod_timer(&info->se_info.se_active_timer,
jiffies +
msecs_to_jiffies(ST21NFCB_SE_TO_PIPES));
msecs_to_jiffies(ST_NCI_SE_TO_PIPES));
}
}
break;
}
}
static int st21nfcb_hci_apdu_reader_event_received(struct nci_dev *ndev,
static int st_nci_hci_apdu_reader_event_received(struct nci_dev *ndev,
u8 event,
struct sk_buff *skb)
{
int r = 0;
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
pr_debug("apdu reader gate event: %x\n", event);
switch (event) {
case ST21NFCB_EVT_TRANSMIT_DATA:
case ST_NCI_EVT_TRANSMIT_DATA:
del_timer_sync(&info->se_info.bwi_timer);
info->se_info.bwi_active = false;
info->se_info.cb(info->se_info.cb_context,
skb->data, skb->len, 0);
break;
case ST21NFCB_EVT_WTX_REQUEST:
case ST_NCI_EVT_WTX_REQUEST:
mod_timer(&info->se_info.bwi_timer, jiffies +
msecs_to_jiffies(info->se_info.wt_timeout));
break;
......@@ -306,7 +306,7 @@ static int st21nfcb_hci_apdu_reader_event_received(struct nci_dev *ndev,
* <= 0: driver handled the event, skb consumed
* 1: driver does not handle the event, please do standard processing
*/
static int st21nfcb_hci_connectivity_event_received(struct nci_dev *ndev,
static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev,
u8 host, u8 event,
struct sk_buff *skb)
{
......@@ -317,10 +317,10 @@ static int st21nfcb_hci_connectivity_event_received(struct nci_dev *ndev,
pr_debug("connectivity gate event: %x\n", event);
switch (event) {
case ST21NFCB_EVT_CONNECTIVITY:
case ST_NCI_EVT_CONNECTIVITY:
break;
case ST21NFCB_EVT_TRANSACTION:
case ST_NCI_EVT_TRANSACTION:
/* According to specification etsi 102 622
* 11.2.2.4 EVT_TRANSACTION Table 52
* Description Tag Length
......@@ -355,7 +355,7 @@ static int st21nfcb_hci_connectivity_event_received(struct nci_dev *ndev,
return r;
}
void st21nfcb_hci_event_received(struct nci_dev *ndev, u8 pipe,
void st_nci_hci_event_received(struct nci_dev *ndev, u8 pipe,
u8 event, struct sk_buff *skb)
{
u8 gate = ndev->hci_dev->pipes[pipe].gate;
......@@ -363,32 +363,32 @@ void st21nfcb_hci_event_received(struct nci_dev *ndev, u8 pipe,
switch (gate) {
case NCI_HCI_ADMIN_GATE:
st21nfcb_hci_admin_event_received(ndev, event, skb);
st_nci_hci_admin_event_received(ndev, event, skb);
break;
case ST21NFCB_APDU_READER_GATE:
st21nfcb_hci_apdu_reader_event_received(ndev, event, skb);
case ST_NCI_APDU_READER_GATE:
st_nci_hci_apdu_reader_event_received(ndev, event, skb);
break;
case ST21NFCB_CONNECTIVITY_GATE:
st21nfcb_hci_connectivity_event_received(ndev, host, event,
case ST_NCI_CONNECTIVITY_GATE:
st_nci_hci_connectivity_event_received(ndev, host, event,
skb);
break;
}
}
EXPORT_SYMBOL_GPL(st21nfcb_hci_event_received);
EXPORT_SYMBOL_GPL(st_nci_hci_event_received);
void st21nfcb_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd,
void st_nci_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd,
struct sk_buff *skb)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
u8 gate = ndev->hci_dev->pipes[pipe].gate;
pr_debug("cmd: %x\n", cmd);
switch (cmd) {
case NCI_HCI_ANY_OPEN_PIPE:
if (gate != ST21NFCB_APDU_READER_GATE &&
ndev->hci_dev->pipes[pipe].host != ST21NFCB_UICC_HOST_ID)
if (gate != ST_NCI_APDU_READER_GATE &&
ndev->hci_dev->pipes[pipe].host != ST_NCI_UICC_HOST_ID)
ndev->hci_dev->count_pipes++;
if (ndev->hci_dev->count_pipes ==
......@@ -401,28 +401,28 @@ void st21nfcb_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd,
break;
}
}
EXPORT_SYMBOL_GPL(st21nfcb_hci_cmd_received);
EXPORT_SYMBOL_GPL(st_nci_hci_cmd_received);
/*
* Remarks: On some early st21nfcb firmware, nci_nfcee_mode_set(0)
* Remarks: On some early st_nci firmware, nci_nfcee_mode_set(0)
* is rejected
*/
static int st21nfcb_nci_control_se(struct nci_dev *ndev, u8 se_idx,
static int st_nci_control_se(struct nci_dev *ndev, u8 se_idx,
u8 state)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
int r;
struct sk_buff *sk_host_list;
u8 host_id;
switch (se_idx) {
case ST21NFCB_UICC_HOST_ID:
case ST_NCI_UICC_HOST_ID:
ndev->hci_dev->count_pipes = 0;
ndev->hci_dev->expected_pipes = ST21NFCB_SE_COUNT_PIPE_UICC;
ndev->hci_dev->expected_pipes = ST_NCI_SE_COUNT_PIPE_UICC;
break;
case ST21NFCB_ESE_HOST_ID:
case ST_NCI_ESE_HOST_ID:
ndev->hci_dev->count_pipes = 0;
ndev->hci_dev->expected_pipes = ST21NFCB_SE_COUNT_PIPE_EMBEDDED;
ndev->hci_dev->expected_pipes = ST_NCI_SE_COUNT_PIPE_EMBEDDED;
break;
default:
return -EINVAL;
......@@ -438,7 +438,7 @@ static int st21nfcb_nci_control_se(struct nci_dev *ndev, u8 se_idx,
return r;
mod_timer(&info->se_info.se_active_timer, jiffies +
msecs_to_jiffies(ST21NFCB_SE_TO_HOT_PLUG));
msecs_to_jiffies(ST_NCI_SE_TO_HOT_PLUG));
info->se_info.se_active = true;
/* Ignore return value and check in any case the host_list */
......@@ -458,49 +458,49 @@ static int st21nfcb_nci_control_se(struct nci_dev *ndev, u8 se_idx,
host_id = sk_host_list->data[sk_host_list->len - 1];
kfree_skb(sk_host_list);
if (state == ST21NFCB_SE_MODE_ON && host_id == se_idx)
if (state == ST_NCI_SE_MODE_ON && host_id == se_idx)
return se_idx;
else if (state == ST21NFCB_SE_MODE_OFF && host_id != se_idx)
else if (state == ST_NCI_SE_MODE_OFF && host_id != se_idx)
return se_idx;
return -1;
}
int st21nfcb_nci_disable_se(struct nci_dev *ndev, u32 se_idx)
int st_nci_disable_se(struct nci_dev *ndev, u32 se_idx)
{
int r;
pr_debug("st21nfcb_nci_disable_se\n");
pr_debug("st_nci_disable_se\n");
if (se_idx == NFC_SE_EMBEDDED) {
r = nci_hci_send_event(ndev, ST21NFCB_APDU_READER_GATE,
ST21NFCB_EVT_SE_END_OF_APDU_TRANSFER, NULL, 0);
r = nci_hci_send_event(ndev, ST_NCI_APDU_READER_GATE,
ST_NCI_EVT_SE_END_OF_APDU_TRANSFER, NULL, 0);
if (r < 0)
return r;
}
return 0;
}
EXPORT_SYMBOL_GPL(st21nfcb_nci_disable_se);
EXPORT_SYMBOL_GPL(st_nci_disable_se);
int st21nfcb_nci_enable_se(struct nci_dev *ndev, u32 se_idx)
int st_nci_enable_se(struct nci_dev *ndev, u32 se_idx)
{
int r;
pr_debug("st21nfcb_nci_enable_se\n");
pr_debug("st_nci_enable_se\n");
if (se_idx == ST21NFCB_HCI_HOST_ID_ESE) {
r = nci_hci_send_event(ndev, ST21NFCB_APDU_READER_GATE,
ST21NFCB_EVT_SE_SOFT_RESET, NULL, 0);
if (se_idx == ST_NCI_HCI_HOST_ID_ESE) {
r = nci_hci_send_event(ndev, ST_NCI_APDU_READER_GATE,
ST_NCI_EVT_SE_SOFT_RESET, NULL, 0);
if (r < 0)
return r;
}
return 0;
}
EXPORT_SYMBOL_GPL(st21nfcb_nci_enable_se);
EXPORT_SYMBOL_GPL(st_nci_enable_se);
static int st21nfcb_hci_network_init(struct nci_dev *ndev)
static int st_nci_hci_network_init(struct nci_dev *ndev)
{
struct core_conn_create_dest_spec_params *dest_params;
struct dest_spec_params spec_params;
......@@ -519,7 +519,8 @@ static int st21nfcb_hci_network_init(struct nci_dev *ndev)
dest_params->length = sizeof(struct dest_spec_params);
spec_params.id = ndev->hci_dev->nfcee_id;
spec_params.protocol = NCI_NFCEE_INTERFACE_HCI_ACCESS;
memcpy(dest_params->value, &spec_params, sizeof(struct dest_spec_params));
memcpy(dest_params->value, &spec_params,
sizeof(struct dest_spec_params));
r = nci_core_conn_create(ndev, NCI_DESTINATION_NFCEE, 1,
sizeof(struct core_conn_create_dest_spec_params) +
sizeof(struct dest_spec_params),
......@@ -531,15 +532,15 @@ static int st21nfcb_hci_network_init(struct nci_dev *ndev)
if (!conn_info)
goto free_dest_params;
memcpy(ndev->hci_dev->init_data.gates, st21nfcb_gates,
sizeof(st21nfcb_gates));
memcpy(ndev->hci_dev->init_data.gates, st_nci_gates,
sizeof(st_nci_gates));
/*
* Session id must include the driver name + i2c bus addr
* persistent info to discriminate 2 identical chips
*/
dev_num = find_first_zero_bit(dev_mask, ST21NFCB_NUM_DEVICES);
if (dev_num >= ST21NFCB_NUM_DEVICES) {
dev_num = find_first_zero_bit(dev_mask, ST_NCI_NUM_DEVICES);
if (dev_num >= ST_NCI_NUM_DEVICES) {
r = -ENODEV;
goto free_dest_params;
}
......@@ -564,72 +565,72 @@ static int st21nfcb_hci_network_init(struct nci_dev *ndev)
return r;
}
int st21nfcb_nci_discover_se(struct nci_dev *ndev)
int st_nci_discover_se(struct nci_dev *ndev)
{
u8 param[2];
int r;
int se_count = 0;
pr_debug("st21nfcb_nci_discover_se\n");
pr_debug("st_nci_discover_se\n");
r = st21nfcb_hci_network_init(ndev);
r = st_nci_hci_network_init(ndev);
if (r != 0)
return r;
param[0] = ST21NFCB_UICC_HOST_ID;
param[1] = ST21NFCB_HCI_HOST_ID_ESE;
param[0] = ST_NCI_UICC_HOST_ID;
param[1] = ST_NCI_HCI_HOST_ID_ESE;
r = nci_hci_set_param(ndev, NCI_HCI_ADMIN_GATE,
NCI_HCI_ADMIN_PARAM_WHITELIST,
param, sizeof(param));
if (r != NCI_HCI_ANY_OK)
return r;
r = st21nfcb_nci_control_se(ndev, ST21NFCB_UICC_HOST_ID,
ST21NFCB_SE_MODE_ON);
if (r == ST21NFCB_UICC_HOST_ID) {
nfc_add_se(ndev->nfc_dev, ST21NFCB_UICC_HOST_ID, NFC_SE_UICC);
r = st_nci_control_se(ndev, ST_NCI_UICC_HOST_ID,
ST_NCI_SE_MODE_ON);
if (r == ST_NCI_UICC_HOST_ID) {
nfc_add_se(ndev->nfc_dev, ST_NCI_UICC_HOST_ID, NFC_SE_UICC);
se_count++;
}
/* Try to enable eSE in order to check availability */
r = st21nfcb_nci_control_se(ndev, ST21NFCB_HCI_HOST_ID_ESE,
ST21NFCB_SE_MODE_ON);
if (r == ST21NFCB_HCI_HOST_ID_ESE) {
nfc_add_se(ndev->nfc_dev, ST21NFCB_HCI_HOST_ID_ESE,
r = st_nci_control_se(ndev, ST_NCI_HCI_HOST_ID_ESE,
ST_NCI_SE_MODE_ON);
if (r == ST_NCI_HCI_HOST_ID_ESE) {
nfc_add_se(ndev->nfc_dev, ST_NCI_HCI_HOST_ID_ESE,
NFC_SE_EMBEDDED);
se_count++;
st21nfcb_se_get_atr(ndev);
st_nci_se_get_atr(ndev);
}
return !se_count;
}
EXPORT_SYMBOL_GPL(st21nfcb_nci_discover_se);
EXPORT_SYMBOL_GPL(st_nci_discover_se);
int st21nfcb_nci_se_io(struct nci_dev *ndev, u32 se_idx,
int st_nci_se_io(struct nci_dev *ndev, u32 se_idx,
u8 *apdu, size_t apdu_length,
se_io_cb_t cb, void *cb_context)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
pr_debug("\n");
switch (se_idx) {
case ST21NFCB_HCI_HOST_ID_ESE:
case ST_NCI_HCI_HOST_ID_ESE:
info->se_info.cb = cb;
info->se_info.cb_context = cb_context;
mod_timer(&info->se_info.bwi_timer, jiffies +
msecs_to_jiffies(info->se_info.wt_timeout));
info->se_info.bwi_active = true;
return nci_hci_send_event(ndev, ST21NFCB_APDU_READER_GATE,
ST21NFCB_EVT_TRANSMIT_DATA, apdu,
return nci_hci_send_event(ndev, ST_NCI_APDU_READER_GATE,
ST_NCI_EVT_TRANSMIT_DATA, apdu,
apdu_length);
default:
return -ENODEV;
}
}
EXPORT_SYMBOL(st21nfcb_nci_se_io);
EXPORT_SYMBOL(st_nci_se_io);
static void st21nfcb_se_wt_timeout(unsigned long data)
static void st_nci_se_wt_timeout(unsigned long data)
{
/*
* No answer from the secure element
......@@ -642,7 +643,7 @@ static void st21nfcb_se_wt_timeout(unsigned long data)
*/
/* hardware reset managed through VCC_UICC_OUT power supply */
u8 param = 0x01;
struct st21nfcb_nci_info *info = (struct st21nfcb_nci_info *) data;
struct st_nci_info *info = (struct st_nci_info *) data;
pr_debug("\n");
......@@ -650,19 +651,19 @@ static void st21nfcb_se_wt_timeout(unsigned long data)
if (!info->se_info.xch_error) {
info->se_info.xch_error = true;
nci_hci_send_event(info->ndlc->ndev, ST21NFCB_APDU_READER_GATE,
ST21NFCB_EVT_SE_SOFT_RESET, NULL, 0);
nci_hci_send_event(info->ndlc->ndev, ST_NCI_APDU_READER_GATE,
ST_NCI_EVT_SE_SOFT_RESET, NULL, 0);
} else {
info->se_info.xch_error = false;
nci_hci_send_event(info->ndlc->ndev, ST21NFCB_DEVICE_MGNT_GATE,
ST21NFCB_EVT_SE_HARD_RESET, &param, 1);
nci_hci_send_event(info->ndlc->ndev, ST_NCI_DEVICE_MGNT_GATE,
ST_NCI_EVT_SE_HARD_RESET, &param, 1);
}
info->se_info.cb(info->se_info.cb_context, NULL, 0, -ETIME);
}
static void st21nfcb_se_activation_timeout(unsigned long data)
static void st_nci_se_activation_timeout(unsigned long data)
{
struct st21nfcb_nci_info *info = (struct st21nfcb_nci_info *) data;
struct st_nci_info *info = (struct st_nci_info *) data;
pr_debug("\n");
......@@ -671,35 +672,35 @@ static void st21nfcb_se_activation_timeout(unsigned long data)
complete(&info->se_info.req_completion);
}
int st21nfcb_se_init(struct nci_dev *ndev)
int st_nci_se_init(struct nci_dev *ndev)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
init_completion(&info->se_info.req_completion);
/* initialize timers */
init_timer(&info->se_info.bwi_timer);
info->se_info.bwi_timer.data = (unsigned long)info;
info->se_info.bwi_timer.function = st21nfcb_se_wt_timeout;
info->se_info.bwi_timer.function = st_nci_se_wt_timeout;
info->se_info.bwi_active = false;
init_timer(&info->se_info.se_active_timer);
info->se_info.se_active_timer.data = (unsigned long)info;
info->se_info.se_active_timer.function =
st21nfcb_se_activation_timeout;
st_nci_se_activation_timeout;
info->se_info.se_active = false;
info->se_info.xch_error = false;
info->se_info.wt_timeout =
ST21NFCB_BWI_TO_TIMEOUT(ST21NFCB_ATR_DEFAULT_BWI);
ST_NCI_BWI_TO_TIMEOUT(ST_NCI_ATR_DEFAULT_BWI);
return 0;
}
EXPORT_SYMBOL(st21nfcb_se_init);
EXPORT_SYMBOL(st_nci_se_init);
void st21nfcb_se_deinit(struct nci_dev *ndev)
void st_nci_se_deinit(struct nci_dev *ndev)
{
struct st21nfcb_nci_info *info = nci_get_drvdata(ndev);
struct st_nci_info *info = nci_get_drvdata(ndev);
if (info->se_info.bwi_active)
del_timer_sync(&info->se_info.bwi_timer);
......@@ -709,5 +710,5 @@ void st21nfcb_se_deinit(struct nci_dev *ndev)
info->se_info.se_active = false;
info->se_info.bwi_active = false;
}
EXPORT_SYMBOL(st21nfcb_se_deinit);
EXPORT_SYMBOL(st_nci_se_deinit);
drivers/nfc/st21nfcb/st21nfcb_se.h → drivers/nfc/st-nci/st-nci_se.h
View file @ ed06aeef
/*
* NCI based Driver for STMicroelectronics NFC Chip
* Secure Element Driver for STMicroelectronics NFC NCI Chip
*
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -15,18 +15,18 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __LOCAL_ST21NFCB_SE_H_
#define __LOCAL_ST21NFCB_SE_H_
#ifndef __LOCAL_ST_NCI_SE_H_
#define __LOCAL_ST_NCI_SE_H_
/*
* ref ISO7816-3 chap 8.1. the initial character TS is followed by a
* sequence of at most 32 characters.
*/
#define ST21NFCB_ESE_MAX_LENGTH 33
#define ST21NFCB_HCI_HOST_ID_ESE 0xc0
#define ST_NCI_ESE_MAX_LENGTH 33
#define ST_NCI_HCI_HOST_ID_ESE 0xc0
struct st21nfcb_se_info {
u8 atr[ST21NFCB_ESE_MAX_LENGTH];
struct st_nci_se_info {
u8 atr[ST_NCI_ESE_MAX_LENGTH];
struct completion req_completion;
struct timer_list bwi_timer;
......@@ -42,20 +42,20 @@ struct st21nfcb_se_info {
void *cb_context;
};
int st21nfcb_se_init(struct nci_dev *ndev);
void st21nfcb_se_deinit(struct nci_dev *ndev);
int st_nci_se_init(struct nci_dev *ndev);
void st_nci_se_deinit(struct nci_dev *ndev);
int st21nfcb_nci_discover_se(struct nci_dev *ndev);
int st21nfcb_nci_enable_se(struct nci_dev *ndev, u32 se_idx);
int st21nfcb_nci_disable_se(struct nci_dev *ndev, u32 se_idx);
int st21nfcb_nci_se_io(struct nci_dev *ndev, u32 se_idx,
u8 *apdu, size_t apdu_length,
se_io_cb_t cb, void *cb_context);
int st21nfcb_hci_load_session(struct nci_dev *ndev);
void st21nfcb_hci_event_received(struct nci_dev *ndev, u8 pipe,
u8 event, struct sk_buff *skb);
void st21nfcb_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd,
struct sk_buff *skb);
int st_nci_discover_se(struct nci_dev *ndev);
int st_nci_enable_se(struct nci_dev *ndev, u32 se_idx);
int st_nci_disable_se(struct nci_dev *ndev, u32 se_idx);
int st_nci_se_io(struct nci_dev *ndev, u32 se_idx,
u8 *apdu, size_t apdu_length,
se_io_cb_t cb, void *cb_context);
int st_nci_hci_load_session(struct nci_dev *ndev);
void st_nci_hci_event_received(struct nci_dev *ndev, u8 pipe,
u8 event, struct sk_buff *skb);
void st_nci_hci_cmd_received(struct nci_dev *ndev, u8 pipe, u8 cmd,
struct sk_buff *skb);
#endif /* __LOCAL_ST21NFCB_NCI_H_ */
#endif /* __LOCAL_ST_NCI_SE_H_ */
drivers/nfc/st21nfcb/Makefile deleted 100644 → 0
View file @ 2df7f8c6
#
# Makefile for ST21NFCB NCI based NFC driver
#
st21nfcb_nci-objs = ndlc.o st21nfcb.o st21nfcb_se.o
obj-$(CONFIG_NFC_ST21NFCB) += st21nfcb_nci.o
st21nfcb_i2c-objs = i2c.o
obj-$(CONFIG_NFC_ST21NFCB_I2C) += st21nfcb_i2c.o
include/linux/platform_data/st21nfcb.h → include/linux/platform_data/st-nci.h
View file @ ed06aeef
/*
* Driver include for the ST21NFCB NFC chip.
* Driver include for ST NCI NFC chip family.
*
* Copyright (C) 2014 STMicroelectronics SAS. All rights reserved.
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
......@@ -16,14 +16,14 @@
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ST21NFCB_NCI_H_
#define _ST21NFCB_NCI_H_
#ifndef _ST_NCI_H_
#define _ST_NCI_H_
#define ST21NFCB_NCI_DRIVER_NAME "st21nfcb_nci"
#define ST_NCI_DRIVER_NAME "st_nci"
struct st21nfcb_nfc_platform_data {
struct st_nci_nfc_platform_data {
unsigned int gpio_reset;
unsigned int irq_polarity;
};
#endif /* _ST21NFCB_NCI_H_ */
#endif /* _ST_NCI_H_ */
include/linux/platform_data/st_nci.h 0 → 100644
View file @ ed06aeef
/*
* Driver include for ST NCI NFC chip family.
*
* Copyright (C) 2014-2015 STMicroelectronics SAS. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ST_NCI_H_
#define _ST_NCI_H_
#define ST_NCI_DRIVER_NAME "st_nci"
struct st_nci_nfc_platform_data {
unsigned int gpio_reset;
unsigned int irq_polarity;
};
#endif /* _ST_NCI_H_ */
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