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; }