static int pn544_hci_discover_se(struct nfc_hci_dev *hdev)
{
u32 se_idx = 0;
u8 ese_mode = 0x01; /* Default mode */
struct sk_buff *res_skb;
int r;
r = nfc_hci_send_cmd(hdev, PN544_SYS_MGMT_GATE, PN544_TEST_SWP,
NULL, 0, &res_skb);
if (r == 0) {
if (res_skb->len == 2 && res_skb->data[0] == 0x00)
nfc_add_se(hdev->ndev, se_idx++, NFC_SE_UICC);
kfree_skb(res_skb);
}
r = nfc_hci_send_event(hdev, PN544_NFC_WI_MGMT_GATE,
PN544_HCI_EVT_SWITCH_MODE,
&ese_mode, 1);
if (r == 0)
nfc_add_se(hdev->ndev, se_idx++, NFC_SE_EMBEDDED);
return !se_idx;
}
/*
* Returns:
* <= 0: driver handled the data exchange
* 1: driver doesn't especially handle, please do standard processing
*/
static int microread_im_transceive(struct nfc_hci_dev *hdev,
struct nfc_target *target,
struct sk_buff *skb, data_exchange_cb_t cb,
void *cb_context)
{
struct microread_info *info = nfc_hci_get_clientdata(hdev);
u8 control_bits;
u16 crc;
pr_info("data exchange to gate 0x%x\n", target->hci_reader_gate);
if (target->hci_reader_gate == MICROREAD_GATE_ID_P2P_INITIATOR) {
*skb_push(skb, 1) = 0;
return nfc_hci_send_event(hdev, target->hci_reader_gate,
MICROREAD_EVT_P2P_INITIATOR_EXCHANGE_TO_RF,
skb->data, skb->len);
}
switch (target->hci_reader_gate) {
case MICROREAD_GATE_ID_MREAD_ISO_A:
control_bits = 0xCB;
break;
case MICROREAD_GATE_ID_MREAD_ISO_A_3:
control_bits = 0xCB;
break;
case MICROREAD_GATE_ID_MREAD_ISO_B:
control_bits = 0xCB;
break;
case MICROREAD_GATE_ID_MREAD_NFC_T1:
control_bits = 0x1B;
crc = crc_ccitt(0xffff, skb->data, skb->len);
crc = ~crc;
*skb_put(skb, 1) = crc & 0xff;
*skb_put(skb, 1) = crc >> 8;
break;
case MICROREAD_GATE_ID_MREAD_NFC_T3:
control_bits = 0xDB;
break;
default:
pr_info("Abort im_transceive to invalid gate 0x%x\n",
target->hci_reader_gate);
return 1;
}
*skb_push(skb, 1) = control_bits;
info->async_cb_type = MICROREAD_CB_TYPE_READER_ALL;
info->async_cb = cb;
info->async_cb_context = cb_context;
return nfc_hci_send_cmd_async(hdev, target->hci_reader_gate,
MICROREAD_CMD_MREAD_EXCHANGE,
skb->data, skb->len,
microread_im_transceive_cb, info);
}
static int microread_tm_send(struct nfc_hci_dev *hdev, struct sk_buff *skb)
{
int r;
r = nfc_hci_send_event(hdev, MICROREAD_GATE_ID_P2P_TARGET,
MICROREAD_EVT_MCARD_EXCHANGE,
skb->data, skb->len);
kfree_skb(skb);
return r;
}
/*
* Returns:
* <= 0: driver handled the event, skb consumed
* 1: driver does not handle the event, please do standard processing
*/
static int pn544_hci_event_received(struct nfc_hci_dev *hdev, u8 gate, u8 event,
struct sk_buff *skb)
{
struct sk_buff *rgb_skb = NULL;
int r;
pr_debug("hci event %d", event);
switch (event) {
case PN544_HCI_EVT_ACTIVATED:
if (gate == PN544_RF_READER_NFCIP1_INITIATOR_GATE) {
r = nfc_hci_target_discovered(hdev, gate);
} else if (gate == PN544_RF_READER_NFCIP1_TARGET_GATE) {
r = nfc_hci_get_param(hdev, gate, PN544_DEP_ATR_REQ,
&rgb_skb);
if (r < 0)
goto exit;
r = nfc_tm_activated(hdev->ndev, NFC_PROTO_NFC_DEP_MASK,
NFC_COMM_PASSIVE, rgb_skb->data,
rgb_skb->len);
kfree_skb(rgb_skb);
} else {
r = -EINVAL;
}
break;
case PN544_HCI_EVT_DEACTIVATED:
r = nfc_hci_send_event(hdev, gate, NFC_HCI_EVT_END_OPERATION,
NULL, 0);
break;
case PN544_HCI_EVT_RCV_DATA:
if (skb->len < 2) {
r = -EPROTO;
goto exit;
}
if (skb->data[0] != 0) {
pr_debug("data0 %d", skb->data[0]);
r = -EPROTO;
goto exit;
}
skb_pull(skb, 2);
return nfc_tm_data_received(hdev->ndev, skb);
default:
return 1;
}
exit:
kfree_skb(skb);
return r;
}
static int st21nfca_hci_ready(struct nfc_hci_dev *hdev)
{
struct sk_buff *skb;
u8 param;
int r;
param = NFC_HCI_UICC_HOST_ID;
r = nfc_hci_set_param(hdev, NFC_HCI_ADMIN_GATE,
NFC_HCI_ADMIN_WHITELIST, ¶m, 1);
if (r < 0)
return r;
/* Set NFC_MODE in device management gate to enable */
r = nfc_hci_get_param(hdev, ST21NFCA_DEVICE_MGNT_GATE,
ST21NFCA_NFC_MODE, &skb);
if (r < 0)
return r;
if (skb->data[0] == 0) {
kfree_skb(skb);
param = 1;
r = nfc_hci_set_param(hdev, ST21NFCA_DEVICE_MGNT_GATE,
ST21NFCA_NFC_MODE, ¶m, 1);
if (r < 0)
return r;
}
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
if (r < 0)
return r;
r = nfc_hci_get_param(hdev, NFC_HCI_ID_MGMT_GATE,
NFC_HCI_ID_MGMT_VERSION_SW, &skb);
if (r < 0)
return r;
if (skb->len != FULL_VERSION_LEN) {
kfree_skb(skb);
return -EINVAL;
}
print_hex_dump(KERN_DEBUG, "FULL VERSION SOFTWARE INFO: ",
DUMP_PREFIX_NONE, 16, 1,
skb->data, FULL_VERSION_LEN, false);
kfree_skb(skb);
return 0;
}
static int pn544_hci_tm_send(struct nfc_hci_dev *hdev, struct sk_buff *skb)
{
int r;
/* Set default false for multiple information chaining */
*skb_push(skb, 1) = 0;
r = nfc_hci_send_event(hdev, PN544_RF_READER_NFCIP1_TARGET_GATE,
PN544_HCI_EVT_SND_DATA, skb->data, skb->len);
kfree_skb(skb);
return r;
}
static int st21nfca_hci_start_poll(struct nfc_hci_dev *hdev,
u32 im_protocols, u32 tm_protocols)
{
int r;
u32 pol_req;
u8 param[19];
struct sk_buff *datarate_skb;
pr_info(DRIVER_DESC ": %s protocols 0x%x 0x%x\n",
__func__, im_protocols, tm_protocols);
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
if (r < 0)
return r;
if (im_protocols) {
/*
* enable polling according to im_protocols & tm_protocols
* - CLOSE pipe according to im_protocols & tm_protocols
*/
if ((NFC_HCI_RF_READER_B_GATE & im_protocols) == 0) {
r = nfc_hci_disconnect_gate(hdev,
NFC_HCI_RF_READER_B_GATE);
if (r < 0)
return r;
}
if ((NFC_HCI_RF_READER_A_GATE & im_protocols) == 0) {
r = nfc_hci_disconnect_gate(hdev,
NFC_HCI_RF_READER_A_GATE);
if (r < 0)
return r;
}
if ((ST21NFCA_RF_READER_F_GATE & im_protocols) == 0) {
r = nfc_hci_disconnect_gate(hdev,
ST21NFCA_RF_READER_F_GATE);
if (r < 0)
return r;
} else {
hdev->gb = nfc_get_local_general_bytes(hdev->ndev,
&hdev->gb_len);
if (hdev->gb == NULL || hdev->gb_len == 0) {
im_protocols &= ~NFC_PROTO_NFC_DEP_MASK;
tm_protocols &= ~NFC_PROTO_NFC_DEP_MASK;
}
param[0] = ST21NFCA_RF_READER_F_DATARATE_106 |
ST21NFCA_RF_READER_F_DATARATE_212 |
ST21NFCA_RF_READER_F_DATARATE_424;
r = nfc_hci_set_param(hdev, ST21NFCA_RF_READER_F_GATE,
ST21NFCA_RF_READER_F_DATARATE,
param, 1);
if (r < 0)
return r;
pol_req = be32_to_cpu((__force __be32)
ST21NFCA_RF_READER_F_POL_REQ_DEFAULT);
r = nfc_hci_set_param(hdev, ST21NFCA_RF_READER_F_GATE,
ST21NFCA_RF_READER_F_POL_REQ,
(u8 *) &pol_req, 4);
if (r < 0)
return r;
}
if ((ST21NFCA_RF_READER_14443_3_A_GATE & im_protocols) == 0) {
r = nfc_hci_disconnect_gate(hdev,
ST21NFCA_RF_READER_14443_3_A_GATE);
if (r < 0)
return r;
}
if ((ST21NFCA_RF_READER_ISO15693_GATE & im_protocols) == 0) {
r = nfc_hci_disconnect_gate(hdev,
ST21NFCA_RF_READER_ISO15693_GATE);
if (r < 0)
return r;
}
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_READER_REQUESTED, NULL, 0);
if (r < 0)
nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
}
if (tm_protocols & NFC_PROTO_NFC_DEP_MASK) {
r = nfc_hci_get_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_DATARATE,
&datarate_skb);
if (r < 0)
return r;
/* Configure the maximum supported datarate to 424Kbps */
if (datarate_skb->len > 0 &&
datarate_skb->data[0] !=
ST21NFCA_RF_CARD_F_DATARATE_212_424) {
param[0] = ST21NFCA_RF_CARD_F_DATARATE_212_424;
r = nfc_hci_set_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_DATARATE,
param, 1);
if (r < 0) {
kfree_skb(datarate_skb);
return r;
}
}
kfree_skb(datarate_skb);
/*
* Configure sens_res
*
* NFC Forum Digital Spec Table 7:
* NFCID1 size: triple (10 bytes)
*/
param[0] = 0x00;
param[1] = 0x08;
r = nfc_hci_set_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_SENS_RES, param, 2);
if (r < 0)
return r;
/*
* Configure sel_res
*
* NFC Forum Digistal Spec Table 17:
* b3 set to 0b (value b7-b6):
* - 10b: Configured for NFC-DEP Protocol
*/
param[0] = 0x40;
r = nfc_hci_set_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_SEL_RES, param, 1);
if (r < 0)
return r;
/* Configure NFCID1 Random uid */
r = nfc_hci_set_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_NFCID1, NULL, 0);
if (r < 0)
return r;
/* Configure NFCID2_LIST */
/* System Code */
param[0] = 0x00;
param[1] = 0x00;
/* NFCID2 */
param[2] = 0x01;
param[3] = 0xfe;
param[4] = 'S';
param[5] = 'T';
param[6] = 'M';
param[7] = 'i';
param[8] = 'c';
param[9] = 'r';
/* 8 byte Pad bytes used for polling respone frame */
/*
* Configuration byte:
* - bit 0: define the default NFCID2 entry used when the
* system code is equal to 'FFFF'
* - bit 1: use a random value for lowest 6 bytes of
* NFCID2 value
* - bit 2: ignore polling request frame if request code
* is equal to '01'
* - Other bits are RFU
*/
param[18] = 0x01;
r = nfc_hci_set_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_NFCID2_LIST, param,
19);
if (r < 0)
return r;
param[0] = 0x02;
r = nfc_hci_set_param(hdev, ST21NFCA_RF_CARD_F_GATE,
ST21NFCA_RF_CARD_F_MODE, param, 1);
}
return r;
}
static int st21nfca_hci_ready(struct nfc_hci_dev *hdev)
{
struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev);
struct sk_buff *skb;
u8 param;
u8 white_list[2];
int wl_size = 0;
int r;
if (info->se_status->is_uicc_present)
white_list[wl_size++] = NFC_HCI_UICC_HOST_ID;
if (info->se_status->is_ese_present)
white_list[wl_size++] = ST21NFCA_ESE_HOST_ID;
if (wl_size) {
r = nfc_hci_set_param(hdev, NFC_HCI_ADMIN_GATE,
NFC_HCI_ADMIN_WHITELIST,
(u8 *) &white_list, wl_size);
if (r < 0)
return r;
}
/* Set NFC_MODE in device management gate to enable */
r = nfc_hci_get_param(hdev, ST21NFCA_DEVICE_MGNT_GATE,
ST21NFCA_NFC_MODE, &skb);
if (r < 0)
return r;
param = skb->data[0];
kfree_skb(skb);
if (param == 0) {
param = 1;
r = nfc_hci_set_param(hdev, ST21NFCA_DEVICE_MGNT_GATE,
ST21NFCA_NFC_MODE, ¶m, 1);
if (r < 0)
return r;
}
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
if (r < 0)
return r;
r = nfc_hci_get_param(hdev, NFC_HCI_ID_MGMT_GATE,
NFC_HCI_ID_MGMT_VERSION_SW, &skb);
if (r < 0)
return r;
if (skb->len != FULL_VERSION_LEN) {
kfree_skb(skb);
return -EINVAL;
}
print_hex_dump(KERN_DEBUG, "FULL VERSION SOFTWARE INFO: ",
DUMP_PREFIX_NONE, 16, 1,
skb->data, FULL_VERSION_LEN, false);
kfree_skb(skb);
return 0;
}
static int microread_event_received(struct nfc_hci_dev *hdev, u8 gate,
u8 event, struct sk_buff *skb)
{
int r;
u8 mode;
pr_info("Microread received event 0x%x to gate 0x%x\n", event, gate);
switch (event) {
case MICROREAD_EVT_MREAD_CARD_FOUND:
microread_target_discovered(hdev, gate, skb);
return 0;
case MICROREAD_EVT_P2P_INITIATOR_EXCHANGE_FROM_RF:
if (skb->len < 1) {
kfree_skb(skb);
return -EPROTO;
}
if (skb->data[skb->len - 1]) {
kfree_skb(skb);
return -EIO;
}
skb_trim(skb, skb->len - 1);
r = nfc_tm_data_received(hdev->ndev, skb);
break;
case MICROREAD_EVT_MCARD_FIELD_ON:
case MICROREAD_EVT_MCARD_FIELD_OFF:
kfree_skb(skb);
return 0;
case MICROREAD_EVT_P2P_TARGET_ACTIVATED:
r = nfc_tm_activated(hdev->ndev, NFC_PROTO_NFC_DEP_MASK,
NFC_COMM_PASSIVE, skb->data,
skb->len);
kfree_skb(skb);
break;
case MICROREAD_EVT_MCARD_EXCHANGE:
if (skb->len < 1) {
kfree_skb(skb);
return -EPROTO;
}
if (skb->data[skb->len-1]) {
kfree_skb(skb);
return -EIO;
}
skb_trim(skb, skb->len - 1);
r = nfc_tm_data_received(hdev->ndev, skb);
break;
case MICROREAD_EVT_P2P_TARGET_DEACTIVATED:
kfree_skb(skb);
mode = 0xff;
r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET,
MICROREAD_PAR_P2P_TARGET_MODE, &mode, 1);
if (r)
break;
r = nfc_hci_send_event(hdev, gate,
MICROREAD_EVT_MREAD_DISCOVERY_STOP, NULL,
0);
break;
default:
return 1;
}
return r;
}
static int microread_dep_link_down(struct nfc_hci_dev *hdev)
{
return nfc_hci_send_event(hdev, MICROREAD_GATE_ID_P2P_INITIATOR,
MICROREAD_EVT_MREAD_DISCOVERY_STOP, NULL, 0);
}
static int microread_start_poll(struct nfc_hci_dev *hdev,
u32 im_protocols, u32 tm_protocols)
{
int r;
u8 param[2];
u8 mode;
param[0] = 0x00;
param[1] = 0x00;
if (im_protocols & NFC_PROTO_ISO14443_MASK)
param[0] |= (1 << 2);
if (im_protocols & NFC_PROTO_ISO14443_B_MASK)
param[0] |= 1;
if (im_protocols & NFC_PROTO_MIFARE_MASK)
param[1] |= 1;
if (im_protocols & NFC_PROTO_JEWEL_MASK)
param[0] |= (1 << 1);
if (im_protocols & NFC_PROTO_FELICA_MASK)
param[0] |= (1 << 5);
if (im_protocols & NFC_PROTO_NFC_DEP_MASK)
param[1] |= (1 << 1);
if ((im_protocols | tm_protocols) & NFC_PROTO_NFC_DEP_MASK) {
hdev->gb = nfc_get_local_general_bytes(hdev->ndev,
&hdev->gb_len);
if (hdev->gb == NULL || hdev->gb_len == 0) {
im_protocols &= ~NFC_PROTO_NFC_DEP_MASK;
tm_protocols &= ~NFC_PROTO_NFC_DEP_MASK;
}
}
r = nfc_hci_send_event(hdev, MICROREAD_GATE_ID_MREAD_ISO_A,
MICROREAD_EVT_MREAD_DISCOVERY_STOP, NULL, 0);
if (r)
return r;
mode = 0xff;
r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET,
MICROREAD_PAR_P2P_TARGET_MODE, &mode, 1);
if (r)
return r;
if (im_protocols & NFC_PROTO_NFC_DEP_MASK) {
r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_INITIATOR,
MICROREAD_PAR_P2P_INITIATOR_GI,
hdev->gb, hdev->gb_len);
if (r)
return r;
}
if (tm_protocols & NFC_PROTO_NFC_DEP_MASK) {
r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET,
MICROREAD_PAR_P2P_TARGET_GT,
hdev->gb, hdev->gb_len);
if (r)
return r;
mode = 0x02;
r = nfc_hci_set_param(hdev, MICROREAD_GATE_ID_P2P_TARGET,
MICROREAD_PAR_P2P_TARGET_MODE, &mode, 1);
if (r)
return r;
}
return nfc_hci_send_event(hdev, MICROREAD_GATE_ID_MREAD_ISO_A,
MICROREAD_EVT_MREAD_DISCOVERY_START_SOME,
param, 2);
}
/*
* Returns:
* <= 0: driver handled the data exchange
* 1: driver doesn't especially handle, please do standard processing
*/
static int pn544_hci_im_transceive(struct nfc_hci_dev *hdev,
struct nfc_target *target,
struct sk_buff *skb, data_exchange_cb_t cb,
void *cb_context)
{
struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev);
pr_debug(DRIVER_DESC ": %s for gate=%d\n", __func__,
target->hci_reader_gate);
switch (target->hci_reader_gate) {
case NFC_HCI_RF_READER_A_GATE:
if (target->supported_protocols & NFC_PROTO_MIFARE_MASK) {
/*
* It seems that pn544 is inverting key and UID for
* MIFARE authentication commands.
*/
if (skb->len == MIFARE_CMD_LEN &&
(skb->data[0] == MIFARE_CMD_AUTH_KEY_A ||
skb->data[0] == MIFARE_CMD_AUTH_KEY_B)) {
u8 uid[MIFARE_UID_LEN];
u8 *data = skb->data + MIFARE_CMD_HEADER;
memcpy(uid, data + MIFARE_KEY_LEN,
MIFARE_UID_LEN);
memmove(data + MIFARE_UID_LEN, data,
MIFARE_KEY_LEN);
memcpy(data, uid, MIFARE_UID_LEN);
}
return nfc_hci_send_cmd_async(hdev,
target->hci_reader_gate,
PN544_MIFARE_CMD,
skb->data, skb->len,
cb, cb_context);
} else
return 1;
case PN544_RF_READER_F_GATE:
*skb_push(skb, 1) = 0;
*skb_push(skb, 1) = 0;
info->async_cb_type = PN544_CB_TYPE_READER_F;
info->async_cb = cb;
info->async_cb_context = cb_context;
return nfc_hci_send_cmd_async(hdev, target->hci_reader_gate,
PN544_FELICA_RAW, skb->data,
skb->len,
pn544_hci_data_exchange_cb, info);
case PN544_RF_READER_JEWEL_GATE:
return nfc_hci_send_cmd_async(hdev, target->hci_reader_gate,
PN544_JEWEL_RAW_CMD, skb->data,
skb->len, cb, cb_context);
case PN544_RF_READER_NFCIP1_INITIATOR_GATE:
*skb_push(skb, 1) = 0;
return nfc_hci_send_event(hdev, target->hci_reader_gate,
PN544_HCI_EVT_SND_DATA, skb->data,
skb->len);
default:
return 1;
}
}
static int pn544_hci_dep_link_down(struct nfc_hci_dev *hdev)
{
return nfc_hci_send_event(hdev, PN544_RF_READER_NFCIP1_INITIATOR_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
}
static int pn544_hci_start_poll(struct nfc_hci_dev *hdev,
u32 im_protocols, u32 tm_protocols)
{
u8 phases = 0;
int r;
u8 duration[2];
u8 activated;
u8 i_mode = 0x3f; /* Enable all supported modes */
u8 t_mode = 0x0f;
u8 t_merge = 0x01; /* Enable merge by default */
pr_info(DRIVER_DESC ": %s protocols 0x%x 0x%x\n",
__func__, im_protocols, tm_protocols);
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
if (r < 0)
return r;
duration[0] = 0x18;
duration[1] = 0x6a;
r = nfc_hci_set_param(hdev, PN544_POLLING_LOOP_MGMT_GATE,
PN544_PL_EMULATION, duration, 2);
if (r < 0)
return r;
activated = 0;
r = nfc_hci_set_param(hdev, PN544_POLLING_LOOP_MGMT_GATE,
PN544_PL_NFCT_DEACTIVATED, &activated, 1);
if (r < 0)
return r;
if (im_protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
NFC_PROTO_JEWEL_MASK))
phases |= 1; /* Type A */
if (im_protocols & NFC_PROTO_FELICA_MASK) {
phases |= (1 << 2); /* Type F 212 */
phases |= (1 << 3); /* Type F 424 */
}
phases |= (1 << 5); /* NFC active */
r = nfc_hci_set_param(hdev, PN544_POLLING_LOOP_MGMT_GATE,
PN544_PL_RDPHASES, &phases, 1);
if (r < 0)
return r;
if ((im_protocols | tm_protocols) & NFC_PROTO_NFC_DEP_MASK) {
hdev->gb = nfc_get_local_general_bytes(hdev->ndev,
&hdev->gb_len);
pr_debug("generate local bytes %p", hdev->gb);
if (hdev->gb == NULL || hdev->gb_len == 0) {
im_protocols &= ~NFC_PROTO_NFC_DEP_MASK;
tm_protocols &= ~NFC_PROTO_NFC_DEP_MASK;
}
}
if (im_protocols & NFC_PROTO_NFC_DEP_MASK) {
r = nfc_hci_send_event(hdev,
PN544_RF_READER_NFCIP1_INITIATOR_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
if (r < 0)
return r;
r = nfc_hci_set_param(hdev,
PN544_RF_READER_NFCIP1_INITIATOR_GATE,
PN544_DEP_MODE, &i_mode, 1);
if (r < 0)
return r;
r = nfc_hci_set_param(hdev,
PN544_RF_READER_NFCIP1_INITIATOR_GATE,
PN544_DEP_ATR_REQ, hdev->gb, hdev->gb_len);
if (r < 0)
return r;
r = nfc_hci_send_event(hdev,
PN544_RF_READER_NFCIP1_INITIATOR_GATE,
NFC_HCI_EVT_READER_REQUESTED, NULL, 0);
if (r < 0)
nfc_hci_send_event(hdev,
PN544_RF_READER_NFCIP1_INITIATOR_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
}
if (tm_protocols & NFC_PROTO_NFC_DEP_MASK) {
r = nfc_hci_set_param(hdev, PN544_RF_READER_NFCIP1_TARGET_GATE,
PN544_DEP_MODE, &t_mode, 1);
if (r < 0)
return r;
r = nfc_hci_set_param(hdev, PN544_RF_READER_NFCIP1_TARGET_GATE,
PN544_DEP_ATR_RES, hdev->gb, hdev->gb_len);
if (r < 0)
return r;
r = nfc_hci_set_param(hdev, PN544_RF_READER_NFCIP1_TARGET_GATE,
PN544_DEP_MERGE, &t_merge, 1);
if (r < 0)
return r;
}
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_READER_REQUESTED, NULL, 0);
if (r < 0)
nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
return r;
}
static int pn544_hci_ready(struct nfc_hci_dev *hdev)
{
struct sk_buff *skb;
static struct hw_config {
u8 adr[2];
u8 value;
} hw_config[] = {
{{0x9f, 0x9a}, 0x00},
{{0x98, 0x10}, 0xbc},
{{0x9e, 0x71}, 0x00},
{{0x98, 0x09}, 0x00},
{{0x9e, 0xb4}, 0x00},
{{0x9c, 0x01}, 0x08},
{{0x9e, 0xaa}, 0x01},
{{0x9b, 0xd1}, 0x0d},
{{0x9b, 0xd2}, 0x24},
{{0x9b, 0xd3}, 0x0a},
{{0x9b, 0xd4}, 0x22},
{{0x9b, 0xd5}, 0x08},
{{0x9b, 0xd6}, 0x1e},
{{0x9b, 0xdd}, 0x1c},
{{0x9b, 0x84}, 0x13},
{{0x99, 0x81}, 0x7f},
{{0x99, 0x31}, 0x70},
{{0x98, 0x00}, 0x3f},
{{0x9f, 0x09}, 0x00},
{{0x9f, 0x0a}, 0x05},
{{0x9e, 0xd1}, 0xa1},
{{0x99, 0x23}, 0x00},
{{0x9e, 0x74}, 0x80},
{{0x9f, 0x28}, 0x10},
{{0x9f, 0x35}, 0x14},
{{0x9f, 0x36}, 0x60},
{{0x9c, 0x31}, 0x00},
{{0x9c, 0x32}, 0xc8},
{{0x9c, 0x19}, 0x40},
{{0x9c, 0x1a}, 0x40},
{{0x9c, 0x0c}, 0x00},
{{0x9c, 0x0d}, 0x00},
{{0x9c, 0x12}, 0x00},
{{0x9c, 0x13}, 0x00},
{{0x98, 0xa2}, 0x0e},
{{0x98, 0x93}, 0x40},
{{0x98, 0x7d}, 0x02},
{{0x98, 0x7e}, 0x00},
{{0x9f, 0xc8}, 0x01},
};
struct hw_config *p = hw_config;
int count = ARRAY_SIZE(hw_config);
struct sk_buff *res_skb;
u8 param[4];
int r;
param[0] = 0;
while (count--) {
param[1] = p->adr[0];
param[2] = p->adr[1];
param[3] = p->value;
r = nfc_hci_send_cmd(hdev, PN544_SYS_MGMT_GATE, PN544_WRITE,
param, 4, &res_skb);
if (r < 0)
return r;
if (res_skb->len != 1) {
kfree_skb(res_skb);
return -EPROTO;
}
if (res_skb->data[0] != p->value) {
kfree_skb(res_skb);
return -EIO;
}
kfree_skb(res_skb);
p++;
}
param[0] = NFC_HCI_UICC_HOST_ID;
r = nfc_hci_set_param(hdev, NFC_HCI_ADMIN_GATE,
NFC_HCI_ADMIN_WHITELIST, param, 1);
if (r < 0)
return r;
param[0] = 0x3d;
r = nfc_hci_set_param(hdev, PN544_SYS_MGMT_GATE,
PN544_SYS_MGMT_INFO_NOTIFICATION, param, 1);
if (r < 0)
return r;
param[0] = 0x0;
r = nfc_hci_set_param(hdev, NFC_HCI_RF_READER_A_GATE,
PN544_RF_READER_A_AUTO_ACTIVATION, param, 1);
if (r < 0)
return r;
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
if (r < 0)
return r;
param[0] = 0x1;
r = nfc_hci_set_param(hdev, PN544_POLLING_LOOP_MGMT_GATE,
PN544_PL_NFCT_DEACTIVATED, param, 1);
if (r < 0)
return r;
param[0] = 0x0;
r = nfc_hci_set_param(hdev, PN544_POLLING_LOOP_MGMT_GATE,
PN544_PL_RDPHASES, param, 1);
if (r < 0)
return r;
r = nfc_hci_get_param(hdev, NFC_HCI_ID_MGMT_GATE,
PN544_ID_MGMT_FULL_VERSION_SW, &skb);
if (r < 0)
return r;
if (skb->len != FULL_VERSION_LEN) {
kfree_skb(skb);
return -EINVAL;
}
print_hex_dump(KERN_DEBUG, "FULL VERSION SOFTWARE INFO: ",
DUMP_PREFIX_NONE, 16, 1,
skb->data, FULL_VERSION_LEN, false);
kfree_skb(skb);
return 0;
}
