port100.c revision 7227c0216d2f879d548e8028dc0298a6156ae633
1562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande/* 2562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * Sony NFC Port-100 Series driver 3562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * Copyright (c) 2013, Intel Corporation. 4562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * 5562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * Partly based/Inspired by Stephen Tiedemann's nfcpy 6562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * 7562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * This program is free software; you can redistribute it and/or modify it 8562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * under the terms and conditions of the GNU General Public License, 9562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * version 2, as published by the Free Software Foundation. 10562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * 11562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * This program is distributed in the hope it will be useful, but WITHOUT 12562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * more details. 15562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande * 16562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande */ 17562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 18562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#include <linux/module.h> 19562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#include <linux/usb.h> 20562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#include <net/nfc/digital.h> 21562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 22562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#define VERSION "0.1" 23562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 24562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#define SONY_VENDOR_ID 0x054c 25562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#define RCS380_PRODUCT_ID 0x06c1 26562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 27562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#define PORT100_PROTOCOLS (NFC_PROTO_JEWEL_MASK | \ 28562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande NFC_PROTO_MIFARE_MASK | \ 29562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande NFC_PROTO_FELICA_MASK | \ 30562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande NFC_PROTO_NFC_DEP_MASK) 31562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 32562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande#define PORT100_CAPABILITIES (NFC_DIGITAL_DRV_CAPS_IN_CRC | \ 33562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande NFC_DIGITAL_DRV_CAPS_TG_CRC) 34562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* Standard port100 frame definitions */ 360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_HEADER_LEN (sizeof(struct port100_frame) \ 370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande + 2) /* data[0] CC, data[1] SCC */ 380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_TAIL_LEN 2 /* data[len] DCS, data[len + 1] postamble*/ 390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_COMM_RF_HEAD_MAX_LEN (sizeof(struct port100_tg_comm_rf_cmd)) 410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 420347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* 430347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande * Max extended frame payload len, excluding CC and SCC 440347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande * which are already in PORT100_FRAME_HEADER_LEN. 450347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande */ 460347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_MAX_PAYLOAD_LEN 1001 470347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 480347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_ACK_SIZE 6 /* Preamble (1), SoPC (2), ACK Code (2), 490347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande Postamble (1) */ 500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic u8 ack_frame[PORT100_FRAME_ACK_SIZE] = { 510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 0x00, 0x00, 0xff, 0x00, 0xff, 0x00 520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande}; 530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_CHECKSUM(f) (f->data[le16_to_cpu(f->datalen)]) 550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_POSTAMBLE(f) (f->data[le16_to_cpu(f->datalen) + 1]) 560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* start of frame */ 580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_SOF 0x00FF 590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_EXT 0xFFFF 600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_ACK 0x00FF 610347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 620347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* Port-100 command: in or out */ 630347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_DIRECTION(f) (f->data[0]) /* CC */ 640347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_DIR_OUT 0xD6 650347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_DIR_IN 0xD7 660347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 670347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* Port-100 sub-command */ 680347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_FRAME_CMD(f) (f->data[1]) /* SCC */ 690347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 700347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_GET_FIRMWARE_VERSION 0x20 710347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_GET_COMMAND_TYPE 0x28 720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_SET_COMMAND_TYPE 0x2A 730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 749f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_CMD_IN_SET_RF 0x00 759f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_CMD_IN_SET_PROTOCOL 0x02 769f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_CMD_IN_COMM_RF 0x04 779f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 787227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_CMD_TG_SET_RF 0x40 797227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_CMD_TG_SET_PROTOCOL 0x42 807227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_CMD_TG_SET_RF_OFF 0x46 817227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_CMD_TG_COMM_RF 0x48 827227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 839f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_CMD_SWITCH_RF 0x06 849f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_RESPONSE(cmd) (cmd + 1) 860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_TYPE_IS_SUPPORTED(mask, cmd_type) \ 880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande ((mask) & (0x01 << (cmd_type))) 890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_TYPE_0 0 900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande#define PORT100_CMD_TYPE_1 1 910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 929f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_CMD_STATUS_OK 0x00 939f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_CMD_STATUS_TIMEOUT 0x80 949f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 957227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_MDAA_TGT_HAS_BEEN_ACTIVATED_MASK 0x01 967227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_MDAA_TGT_WAS_ACTIVATED_MASK 0x02 977227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100; 990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 1000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandetypedef void (*port100_send_async_complete_t)(struct port100 *dev, void *arg, 1010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp); 1020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 1039f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande/** 1049f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * Setting sets structure for in_set_rf command 1059f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * 1069f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * @in_*_set_number: Represent the entry indexes in the port-100 RF Base Table. 1079f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * This table contains multiple RF setting sets required for RF 1089f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * communication. 1099f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * 1109f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande * @in_*_comm_type: Theses fields set the communication type to be used. 1119f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande */ 1129f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestruct port100_in_rf_setting { 1139f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u8 in_send_set_number; 1149f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u8 in_send_comm_type; 1159f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u8 in_recv_set_number; 1169f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u8 in_recv_comm_type; 1179f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande} __packed; 1189f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 1199f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_COMM_TYPE_IN_212F 0x01 1209f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_COMM_TYPE_IN_424F 0x02 1219f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_COMM_TYPE_IN_106A 0x03 1229f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 1239f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestatic const struct port100_in_rf_setting in_rf_settings[] = { 1249f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_RF_TECH_212F] = { 1259f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_send_set_number = 1, 1269f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_send_comm_type = PORT100_COMM_TYPE_IN_212F, 1279f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_recv_set_number = 15, 1289f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_recv_comm_type = PORT100_COMM_TYPE_IN_212F, 1299f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 1309f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_RF_TECH_424F] = { 1319f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_send_set_number = 1, 1329f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_send_comm_type = PORT100_COMM_TYPE_IN_424F, 1339f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_recv_set_number = 15, 1349f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_recv_comm_type = PORT100_COMM_TYPE_IN_424F, 1359f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 1369f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_RF_TECH_106A] = { 1379f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_send_set_number = 2, 1389f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_send_comm_type = PORT100_COMM_TYPE_IN_106A, 1399f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_recv_set_number = 15, 1409f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande .in_recv_comm_type = PORT100_COMM_TYPE_IN_106A, 1419f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 1429f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande}; 1439f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 1447227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande/** 1457227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * Setting sets structure for tg_set_rf command 1467227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * 1477227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * @tg_set_number: Represents the entry index in the port-100 RF Base Table. 1487227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * This table contains multiple RF setting sets required for RF 1497227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * communication. this field is used for both send and receive 1507227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * settings. 1517227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * 1527227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * @tg_comm_type: Sets the communication type to be used to send and receive 1537227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande * data. 1547227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande */ 1557227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestruct port100_tg_rf_setting { 1567227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 tg_set_number; 1577227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 tg_comm_type; 1587227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande} __packed; 1597227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 1607227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_COMM_TYPE_TG_106A 0x0B 1617227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_COMM_TYPE_TG_212F 0x0C 1627227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_COMM_TYPE_TG_424F 0x0D 1637227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 1647227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestatic const struct port100_tg_rf_setting tg_rf_settings[] = { 1657227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_RF_TECH_106A] = { 1667227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande .tg_set_number = 8, 1677227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande .tg_comm_type = PORT100_COMM_TYPE_TG_106A, 1687227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 1697227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_RF_TECH_212F] = { 1707227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande .tg_set_number = 8, 1717227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande .tg_comm_type = PORT100_COMM_TYPE_TG_212F, 1727227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 1737227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_RF_TECH_424F] = { 1747227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande .tg_set_number = 8, 1757227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande .tg_comm_type = PORT100_COMM_TYPE_TG_424F, 1767227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 1777227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande}; 1787227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 1799f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_INITIAL_GUARD_TIME 0x00 1809f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_ADD_CRC 0x01 1819f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CHECK_CRC 0x02 1829f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_MULTI_CARD 0x03 1839f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_ADD_PARITY 0x04 1849f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CHECK_PARITY 0x05 1859f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_BITWISE_AC_RECV_MODE 0x06 1869f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_VALID_BIT_NUMBER 0x07 1879f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CRYPTO1 0x08 1889f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_ADD_SOF 0x09 1899f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CHECK_SOF 0x0A 1909f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_ADD_EOF 0x0B 1919f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CHECK_EOF 0x0C 1929f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_DEAF_TIME 0x0E 1939f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CRM 0x0F 1949f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_CRM_MIN_LEN 0x10 1959f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_T1_TAG_FRAME 0x11 1969f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_RFCA 0x12 1979f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR 0x13 1989f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_PROT_END 0x14 1999f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 2009f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande#define PORT100_IN_MAX_NUM_PROTOCOLS 19 2019f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 2027227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_TG_PROT_TU 0x00 2037227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_TG_PROT_RF_OFF 0x01 2047227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_TG_PROT_CRM 0x02 2057227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_TG_PROT_END 0x03 2067227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 2077227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande#define PORT100_TG_MAX_NUM_PROTOCOLS 3 2087227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 2099f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestruct port100_protocol { 2109f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u8 number; 2119f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u8 value; 2129f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande} __packed; 2139f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 2149f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestatic struct port100_protocol 2159f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandein_protocols[][PORT100_IN_MAX_NUM_PROTOCOLS + 1] = { 2169f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_SHORT] = { 2179f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_INITIAL_GUARD_TIME, 6 }, 2189f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_CRC, 0 }, 2199f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_CRC, 0 }, 2209f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_MULTI_CARD, 0 }, 2219f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_PARITY, 0 }, 2229f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_PARITY, 1 }, 2239f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_BITWISE_AC_RECV_MODE, 0 }, 2249f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_VALID_BIT_NUMBER, 7 }, 2259f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRYPTO1, 0 }, 2269f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_SOF, 0 }, 2279f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_SOF, 0 }, 2289f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_EOF, 0 }, 2299f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_EOF, 0 }, 2309f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_DEAF_TIME, 4 }, 2319f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM, 0 }, 2329f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM_MIN_LEN, 0 }, 2339f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_T1_TAG_FRAME, 0 }, 2349f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_RFCA, 0 }, 2359f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR, 6 }, 2369f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 2379f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 2389f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_STANDARD] = { 2399f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_INITIAL_GUARD_TIME, 6 }, 2409f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_CRC, 0 }, 2419f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_CRC, 0 }, 2429f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_MULTI_CARD, 0 }, 2439f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_PARITY, 1 }, 2449f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_PARITY, 1 }, 2459f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_BITWISE_AC_RECV_MODE, 0 }, 2469f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_VALID_BIT_NUMBER, 8 }, 2479f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRYPTO1, 0 }, 2489f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_SOF, 0 }, 2499f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_SOF, 0 }, 2509f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_EOF, 0 }, 2519f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_EOF, 0 }, 2529f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_DEAF_TIME, 4 }, 2539f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM, 0 }, 2549f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM_MIN_LEN, 0 }, 2559f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_T1_TAG_FRAME, 0 }, 2569f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_RFCA, 0 }, 2579f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR, 6 }, 2589f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 2599f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 2609f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_STANDARD_WITH_CRC_A] = { 2619f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_INITIAL_GUARD_TIME, 6 }, 2629f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_CRC, 1 }, 2639f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_CRC, 1 }, 2649f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_MULTI_CARD, 0 }, 2659f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_PARITY, 1 }, 2669f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_PARITY, 1 }, 2679f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_BITWISE_AC_RECV_MODE, 0 }, 2689f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_VALID_BIT_NUMBER, 8 }, 2699f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRYPTO1, 0 }, 2709f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_SOF, 0 }, 2719f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_SOF, 0 }, 2729f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_EOF, 0 }, 2739f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_EOF, 0 }, 2749f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_DEAF_TIME, 4 }, 2759f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM, 0 }, 2769f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM_MIN_LEN, 0 }, 2779f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_T1_TAG_FRAME, 0 }, 2789f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_RFCA, 0 }, 2799f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR, 6 }, 2809f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 2819f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 2829f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_T1T] = { 2839f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande /* nfc_digital_framing_nfca_short */ 2849f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_CRC, 2 }, 2859f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_CRC, 2 }, 2869f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_VALID_BIT_NUMBER, 8 }, 2879f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_T1_TAG_FRAME, 2 }, 2889f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 2899f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 2909f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_T2T] = { 2919f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande /* nfc_digital_framing_nfca_standard */ 2929f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_CRC, 1 }, 2939f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_CRC, 0 }, 2949f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 2959f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 2969f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_NFC_DEP] = { 2979f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande /* nfc_digital_framing_nfca_standard */ 2989f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 2999f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 3009f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCF] = { 3019f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_INITIAL_GUARD_TIME, 18 }, 3029f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_CRC, 1 }, 3039f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_CRC, 1 }, 3049f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_MULTI_CARD, 0 }, 3059f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_PARITY, 0 }, 3069f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_PARITY, 0 }, 3079f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_BITWISE_AC_RECV_MODE, 0 }, 3089f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_VALID_BIT_NUMBER, 8 }, 3099f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRYPTO1, 0 }, 3109f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_SOF, 0 }, 3119f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_SOF, 0 }, 3129f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_ADD_EOF, 0 }, 3139f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CHECK_EOF, 0 }, 3149f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_DEAF_TIME, 4 }, 3159f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM, 0 }, 3169f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_CRM_MIN_LEN, 0 }, 3179f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_T1_TAG_FRAME, 0 }, 3189f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_RFCA, 0 }, 3199f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR, 6 }, 3209f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 3219f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 3229f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCF_T3T] = { 3239f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande /* nfc_digital_framing_nfcf */ 3249f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 3259f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 3269f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFCF_NFC_DEP] = { 3279f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande /* nfc_digital_framing_nfcf */ 3289f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 3299f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 3309f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande [NFC_DIGITAL_FRAMING_NFC_DEP_ACTIVATED] = { 3319f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande { PORT100_IN_PROT_END, 0 }, 3329f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande }, 3339f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande}; 3349f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 3357227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestatic struct port100_protocol 3367227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandetg_protocols[][PORT100_TG_MAX_NUM_PROTOCOLS + 1] = { 3377227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_SHORT] = { 3387227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3397227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3407227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_STANDARD] = { 3417227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3427227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3437227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_STANDARD_WITH_CRC_A] = { 3447227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3457227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3467227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_T1T] = { 3477227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3487227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3497227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_T2T] = { 3507227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3517227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3527227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCA_NFC_DEP] = { 3537227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_TU, 1 }, 3547227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_RF_OFF, 0 }, 3557227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_CRM, 7 }, 3567227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3577227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3587227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCF] = { 3597227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3607227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3617227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCF_T3T] = { 3627227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3637227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3647227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFCF_NFC_DEP] = { 3657227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_TU, 1 }, 3667227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_RF_OFF, 0 }, 3677227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_CRM, 7 }, 3687227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3697227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3707227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande [NFC_DIGITAL_FRAMING_NFC_DEP_ACTIVATED] = { 3717227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_RF_OFF, 1 }, 3727227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande { PORT100_TG_PROT_END, 0 }, 3737227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande }, 3747227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande}; 3757227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 376562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestruct port100 { 377562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct nfc_digital_dev *nfc_digital_dev; 378562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 379562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande int skb_headroom; 380562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande int skb_tailroom; 381562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 382562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct usb_device *udev; 383562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct usb_interface *interface; 3840347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 3850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct urb *out_urb; 3860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct urb *in_urb; 3870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 3880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct work_struct cmd_complete_work; 3890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 3900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 cmd_type; 3910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 3920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande /* The digital stack serializes commands to be sent. There is no need 3930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande * for any queuing/locking mechanism at driver level. 3940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande */ 3950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_cmd *cmd; 3960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande}; 3970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 3980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100_cmd { 3990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 code; 4000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int status; 4010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *req; 4020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp; 4030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int resp_len; 4040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_send_async_complete_t complete_cb; 4050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande void *complete_cb_context; 4060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande}; 4070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100_frame { 4090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 preamble; 4100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __be16 start_frame; 4110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __be16 extended_frame; 4120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __le16 datalen; 4130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 datalen_checksum; 4140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 data[]; 4150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} __packed; 4160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100_ack_frame { 4180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 preamble; 4190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __be16 start_frame; 4200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __be16 ack_frame; 4210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 postambule; 4220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} __packed; 4230347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4240347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100_cb_arg { 4250347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_digital_cmd_complete_t complete_cb; 4260347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande void *complete_arg; 4270347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 mdaa; 428562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande}; 429562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 4300347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100_tg_comm_rf_cmd { 4310347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __le16 guard_time; 4320347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __le16 send_timeout; 4330347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 mdaa; 4340347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 nfca_param[6]; 4350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 nfcf_param[18]; 4360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 mf_halted; 4370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 arae_flag; 4380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande __le16 recv_timeout; 4390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 data[]; 4400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} __packed; 4410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4427227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestruct port100_tg_comm_rf_res { 4437227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 comm_type; 4447227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 ar_status; 4457227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 target_activated; 4467227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande __le32 status; 4477227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 data[]; 4487227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande} __packed; 4497227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 4500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* The rule: value + checksum = 0 */ 4510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic inline u8 port100_checksum(u16 value) 4520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 4530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return ~(((u8 *)&value)[0] + ((u8 *)&value)[1]) + 1; 4540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 4550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande/* The rule: sum(data elements) + checksum = 0 */ 4570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic u8 port100_data_checksum(u8 *data, int datalen) 4580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 4590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 sum = 0; 4600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int i; 4610347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4620347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande for (i = 0; i < datalen; i++) 4630347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande sum += data[i]; 4640347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4650347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return port100_checksum(sum); 4660347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 4670347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4680347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_tx_frame_init(void *_frame, u8 cmd_code) 4690347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 4700347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_frame *frame = _frame; 4710347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->preamble = 0; 4730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->start_frame = cpu_to_be16(PORT100_FRAME_SOF); 4740347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->extended_frame = cpu_to_be16(PORT100_FRAME_EXT); 4750347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_DIRECTION(frame) = PORT100_FRAME_DIR_OUT; 4760347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_CMD(frame) = cmd_code; 4770347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->datalen = cpu_to_le16(2); 4780347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 4790347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4800347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_tx_frame_finish(void *_frame) 4810347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 4820347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_frame *frame = _frame; 4830347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4840347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->datalen_checksum = port100_checksum(le16_to_cpu(frame->datalen)); 4850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_CHECKSUM(frame) = 4870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_data_checksum(frame->data, le16_to_cpu(frame->datalen)); 4880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_POSTAMBLE(frame) = 0; 4900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 4910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_tx_update_payload_len(void *_frame, int len) 4930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 4940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_frame *frame = _frame; 4950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->datalen = cpu_to_le16(le16_to_cpu(frame->datalen) + len); 4970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 4980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 4990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic bool port100_rx_frame_is_valid(void *_frame) 5000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 checksum; 5020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_frame *frame = _frame; 5030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (frame->start_frame != cpu_to_be16(PORT100_FRAME_SOF) || 5050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->extended_frame != cpu_to_be16(PORT100_FRAME_EXT)) 5060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return false; 5070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande checksum = port100_checksum(le16_to_cpu(frame->datalen)); 5090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (checksum != frame->datalen_checksum) 5100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return false; 5110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande checksum = port100_data_checksum(frame->data, 5130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande le16_to_cpu(frame->datalen)); 5140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (checksum != PORT100_FRAME_CHECKSUM(frame)) 5150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return false; 5160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return true; 5180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 5190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic bool port100_rx_frame_is_ack(struct port100_ack_frame *frame) 5210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return (frame->start_frame == cpu_to_be16(PORT100_FRAME_SOF) && 5230347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande frame->ack_frame == cpu_to_be16(PORT100_FRAME_ACK)); 5240347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 5250347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5260347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic inline int port100_rx_frame_size(void *frame) 5270347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5280347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_frame *f = frame; 5290347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5300347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return sizeof(struct port100_frame) + le16_to_cpu(f->datalen) + 5310347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_TAIL_LEN; 5320347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 5330347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5340347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic bool port100_rx_frame_is_cmd_response(struct port100 *dev, void *frame) 5350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_frame *f = frame; 5370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return (PORT100_FRAME_CMD(f) == PORT100_CMD_RESPONSE(dev->cmd->code)); 5390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 5400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_recv_response(struct urb *urb) 5420347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5430347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100 *dev = urb->context; 5440347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_cmd *cmd = dev->cmd; 5450347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u8 *in_frame; 5460347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5470347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->status = urb->status; 5480347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5490347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande switch (urb->status) { 5500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case 0: 5510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande break; /* success */ 5520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ECONNRESET: 5530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ENOENT: 5540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, 5550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "The urb has been canceled (status %d)", urb->status); 5560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 5570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ESHUTDOWN: 5580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande default: 5590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, "Urb failure (status %d)", 5600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande urb->status); 5610347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 5620347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 5630347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5640347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande in_frame = dev->in_urb->transfer_buffer; 5650347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5660347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!port100_rx_frame_is_valid(in_frame)) { 5670347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, "Received an invalid frame"); 5680347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->status = -EIO; 5690347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 5700347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 5710347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande print_hex_dump_debug("PORT100 RX: ", DUMP_PREFIX_NONE, 16, 1, in_frame, 5730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_rx_frame_size(in_frame), false); 5740347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5750347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!port100_rx_frame_is_cmd_response(dev, in_frame)) { 5760347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, 5770347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "It's not the response to the last command"); 5780347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->status = -EIO; 5790347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 5800347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 5810347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5820347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandesched_wq: 5830347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande schedule_work(&dev->cmd_complete_work); 5840347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 5850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic int port100_submit_urb_for_response(struct port100 *dev, gfp_t flags) 5870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->in_urb->complete = port100_recv_response; 5890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return usb_submit_urb(dev->in_urb, flags); 5910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 5920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 5930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_recv_ack(struct urb *urb) 5940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 5950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100 *dev = urb->context; 5960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_cmd *cmd = dev->cmd; 5970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_ack_frame *in_frame; 5980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int rc; 5990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->status = urb->status; 6010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande switch (urb->status) { 6030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case 0: 6040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande break; /* success */ 6050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ECONNRESET: 6060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ENOENT: 6070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, 6080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "The urb has been stopped (status %d)", urb->status); 6090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 6100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ESHUTDOWN: 6110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande default: 6120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, "Urb failure (status %d)", 6130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande urb->status); 6140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 6150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 6160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande in_frame = dev->in_urb->transfer_buffer; 6180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!port100_rx_frame_is_ack(in_frame)) { 6200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, "Received an invalid ack"); 6210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->status = -EIO; 6220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 6230347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 6240347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6250347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = port100_submit_urb_for_response(dev, GFP_ATOMIC); 6260347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (rc) { 6270347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, 6280347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "usb_submit_urb failed with result %d", rc); 6290347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->status = rc; 6300347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto sched_wq; 6310347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 6320347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6330347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return; 6340347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandesched_wq: 6360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande schedule_work(&dev->cmd_complete_work); 6370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 6380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic int port100_submit_urb_for_ack(struct port100 *dev, gfp_t flags) 6400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 6410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->in_urb->complete = port100_recv_ack; 6420347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6430347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return usb_submit_urb(dev->in_urb, flags); 6440347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 6450347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6460347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic int port100_send_ack(struct port100 *dev) 6470347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 6480347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int rc; 6490347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->out_urb->transfer_buffer = ack_frame; 6510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->out_urb->transfer_buffer_length = sizeof(ack_frame); 6520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = usb_submit_urb(dev->out_urb, GFP_KERNEL); 6530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return rc; 6550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 6560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic int port100_send_frame_async(struct port100 *dev, struct sk_buff *out, 6580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *in, int in_len) 6590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 6600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int rc; 6610347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6620347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->out_urb->transfer_buffer = out->data; 6630347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->out_urb->transfer_buffer_length = out->len; 6640347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6650347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->in_urb->transfer_buffer = in->data; 6660347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->in_urb->transfer_buffer_length = in_len; 6670347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6680347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande print_hex_dump_debug("PORT100 TX: ", DUMP_PREFIX_NONE, 16, 1, 6690347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande out->data, out->len, false); 6700347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6710347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = usb_submit_urb(dev->out_urb, GFP_KERNEL); 6720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (rc) 6730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return rc; 6740347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6750347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = port100_submit_urb_for_ack(dev, GFP_KERNEL); 6760347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (rc) 6770347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto error; 6780347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6790347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return 0; 6800347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6810347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandeerror: 6820347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_unlink_urb(dev->out_urb); 6830347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return rc; 6840347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 6850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_build_cmd_frame(struct port100 *dev, u8 cmd_code, 6870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *skb) 6880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 6890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande /* payload is already there, just update datalen */ 6900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int payload_len = skb->len; 6910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb_push(skb, PORT100_FRAME_HEADER_LEN); 6930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb_put(skb, PORT100_FRAME_TAIL_LEN); 6940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 6950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_tx_frame_init(skb->data, cmd_code); 6960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_tx_update_payload_len(skb->data, payload_len); 6970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_tx_frame_finish(skb->data); 6980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 6990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_send_async_complete(struct port100 *dev) 7010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 7020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_cmd *cmd = dev->cmd; 7030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int status = cmd->status; 7040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *req = cmd->req; 7060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp = cmd->resp; 7070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(req); 7090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->cmd = NULL; 7110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (status < 0) { 7130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->complete_cb(dev, cmd->complete_cb_context, 7140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande ERR_PTR(status)); 7150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(resp); 7160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto done; 7170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 7180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb_put(resp, port100_rx_frame_size(resp->data)); 7200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb_pull(resp, PORT100_FRAME_HEADER_LEN); 7210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb_trim(resp, resp->len - PORT100_FRAME_TAIL_LEN); 7220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7230347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->complete_cb(dev, cmd->complete_cb_context, resp); 7240347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7250347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandedone: 7260347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande kfree(cmd); 7270347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 7280347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7290347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic int port100_send_cmd_async(struct port100 *dev, u8 cmd_code, 7300347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *req, 7310347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_send_async_complete_t complete_cb, 7320347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande void *complete_cb_context) 7330347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 7340347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_cmd *cmd; 7350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp; 7360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int rc; 7370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int resp_len = PORT100_FRAME_HEADER_LEN + 7380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_MAX_PAYLOAD_LEN + 7390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_FRAME_TAIL_LEN; 7400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande resp = alloc_skb(resp_len, GFP_KERNEL); 7420347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!resp) 7430347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return -ENOMEM; 7440347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7450347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 7460347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!cmd) { 7470347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(resp); 7480347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return -ENOMEM; 7490347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 7500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->code = cmd_code; 7520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->req = req; 7530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->resp = resp; 7540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->resp_len = resp_len; 7550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->complete_cb = complete_cb; 7560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd->complete_cb_context = complete_cb_context; 7570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_build_cmd_frame(dev, cmd_code, req); 7590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->cmd = cmd; 7610347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7620347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = port100_send_frame_async(dev, req, resp, resp_len); 7630347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (rc) { 7640347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande kfree(cmd); 7650347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(resp); 7660347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->cmd = NULL; 7670347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 7680347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7690347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return rc; 7700347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 7710347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestruct port100_sync_cmd_response { 7730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp; 7740347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct completion done; 7750347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande}; 7760347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7770347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_wq_cmd_complete(struct work_struct *work) 7780347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 7790347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100 *dev = container_of(work, struct port100, 7800347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd_complete_work); 7810347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7820347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_send_async_complete(dev); 7830347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 7840347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_send_sync_complete(struct port100 *dev, void *_arg, 7860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp) 7870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 7880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_sync_cmd_response *arg = _arg; 7890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande arg->resp = resp; 7910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande complete(&arg->done); 7920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 7930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 7940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic struct sk_buff *port100_send_cmd_sync(struct port100 *dev, u8 cmd_code, 7950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *req) 7960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 7970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int rc; 7980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100_sync_cmd_response arg; 7990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande init_completion(&arg.done); 8010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = port100_send_cmd_async(dev, cmd_code, req, 8030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_send_sync_complete, &arg); 8040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (rc) { 8050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(req); 8060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return ERR_PTR(rc); 8070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 8080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande wait_for_completion(&arg.done); 8100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return arg.resp; 8120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 8130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic void port100_send_complete(struct urb *urb) 8150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 8160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100 *dev = urb->context; 8170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande switch (urb->status) { 8190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case 0: 8200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande break; /* success */ 8210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ECONNRESET: 8220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ENOENT: 8230347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, 8240347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "The urb has been stopped (status %d)", urb->status); 8250347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande break; 8260347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande case -ESHUTDOWN: 8270347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande default: 8280347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&dev->interface->dev, "Urb failure (status %d)", 8290347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande urb->status); 8300347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 8310347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 8320347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 833562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic void port100_abort_cmd(struct nfc_digital_dev *ddev) 834562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 8350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 8360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande /* An ack will cancel the last issued command */ 8380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande port100_send_ack(dev); 8390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande /* cancel the urb request */ 8410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_kill_urb(dev->in_urb); 8420347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 8430347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8440347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic struct sk_buff *port100_alloc_skb(struct port100 *dev, unsigned int size) 8450347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 8460347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *skb; 8470347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8480347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb = alloc_skb(dev->skb_headroom + dev->skb_tailroom + size, 8490347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande GFP_KERNEL); 8500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (skb) 8510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb_reserve(skb, dev->skb_headroom); 8520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return skb; 8540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 8550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic int port100_set_command_type(struct port100 *dev, u8 command_type) 8570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 8580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *skb; 8590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp; 8600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int rc; 8610347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8620347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb = port100_alloc_skb(dev, 1); 8630347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!skb) 8640347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return -ENOMEM; 8650347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8660347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande *skb_put(skb, sizeof(u8)) = command_type; 8670347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8680347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_SET_COMMAND_TYPE, skb); 8690347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (IS_ERR(resp)) 8700347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return PTR_ERR(resp); 8710347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = resp->data[0]; 8730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8740347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(resp); 8750347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8760347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return rc; 8770347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 8780347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8790347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic u64 port100_get_command_type_mask(struct port100 *dev) 8800347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 8810347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *skb; 8820347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp; 8830347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u64 mask; 8840347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8850347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb = port100_alloc_skb(dev, 0); 8860347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!skb) 8870347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return -ENOMEM; 8880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_GET_COMMAND_TYPE, skb); 8900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (IS_ERR(resp)) 8910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return PTR_ERR(resp); 8920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (resp->len < 8) 8940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande mask = 0; 8950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande else 8960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande mask = be64_to_cpu(*(__be64 *)resp->data); 8970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 8980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(resp); 8990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return mask; 9010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande} 9020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escandestatic u16 port100_get_firmware_version(struct port100 *dev) 9040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande{ 9050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *skb; 9060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct sk_buff *resp; 9070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u16 fw_ver; 9080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb = port100_alloc_skb(dev, 0); 9100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!skb) 9110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return 0; 9120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_GET_FIRMWARE_VERSION, 9140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande skb); 9150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (IS_ERR(resp)) 9160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return 0; 9170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande fw_ver = le16_to_cpu(*(__le16 *)resp->data); 9190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev_kfree_skb(resp); 9210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 9220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande return fw_ver; 923562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 924562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 925562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_switch_rf(struct nfc_digital_dev *ddev, bool on) 926562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 9279f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 9289f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct sk_buff *skb, *resp; 9299f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9309f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande skb = port100_alloc_skb(dev, 1); 9319f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (!skb) 9329f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -ENOMEM; 9339f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9349f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande *skb_put(skb, 1) = on ? 1 : 0; 9359f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9369f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_SWITCH_RF, skb); 9379f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9389f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (IS_ERR(resp)) 9399f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return PTR_ERR(resp); 9409f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9419f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande dev_kfree_skb(resp); 9429f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9439f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return 0; 9449f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande} 9459f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9469f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestatic int port100_in_set_rf(struct nfc_digital_dev *ddev, u8 rf) 9479f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande{ 9489f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 9499f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct sk_buff *skb; 9509f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct sk_buff *resp; 9519f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande int rc; 9529f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9539f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (rf >= NFC_DIGITAL_RF_TECH_LAST) 9549f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -EINVAL; 9559f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9569f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande skb = port100_alloc_skb(dev, sizeof(struct port100_in_rf_setting)); 9579f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (!skb) 9589f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -ENOMEM; 9599f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9609f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande memcpy(skb_put(skb, sizeof(struct port100_in_rf_setting)), 9619f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande &in_rf_settings[rf], 9629f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande sizeof(struct port100_in_rf_setting)); 9639f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9649f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_IN_SET_RF, skb); 9659f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9669f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (IS_ERR(resp)) 9679f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return PTR_ERR(resp); 9689f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9699f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande rc = resp->data[0]; 9709f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9719f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande dev_kfree_skb(resp); 9729f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9739f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return rc; 9749f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande} 9759f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9769f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestatic int port100_in_set_framing(struct nfc_digital_dev *ddev, int param) 9779f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande{ 9789f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 9799f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100_protocol *protocols; 9809f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct sk_buff *skb; 9819f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct sk_buff *resp; 9829f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande int num_protocols; 9839f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande size_t size; 9849f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande int rc; 9859f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9869f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (param >= NFC_DIGITAL_FRAMING_LAST) 9879f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -EINVAL; 9889f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9899f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande protocols = in_protocols[param]; 9909f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9919f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande num_protocols = 0; 9929f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande while (protocols[num_protocols].number != PORT100_IN_PROT_END) 9939f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande num_protocols++; 9949f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9959f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (!num_protocols) 9969f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return 0; 9979f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 9989f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande size = sizeof(struct port100_protocol) * num_protocols; 9999f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10009f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande skb = port100_alloc_skb(dev, size); 10019f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (!skb) 10029f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -ENOMEM; 10039f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10049f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande memcpy(skb_put(skb, size), protocols, size); 10059f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10069f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_IN_SET_PROTOCOL, skb); 10079f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10089f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (IS_ERR(resp)) 10099f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return PTR_ERR(resp); 10109f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10119f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande rc = resp->data[0]; 10129f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10139f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande dev_kfree_skb(resp); 10149f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10159f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return rc; 1016562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1017562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1018562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_in_configure_hw(struct nfc_digital_dev *ddev, int type, 1019562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande int param) 1020562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 10219f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (type == NFC_DIGITAL_CONFIG_RF_TECH) 10229f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return port100_in_set_rf(ddev, param); 10239f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10249f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (type == NFC_DIGITAL_CONFIG_FRAMING) 10259f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return port100_in_set_framing(ddev, param); 10269f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10279f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -EINVAL; 10289f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande} 10299f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10309f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandestatic void port100_in_comm_rf_complete(struct port100 *dev, void *arg, 10319f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct sk_buff *resp) 10329f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande{ 10339f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100_cb_arg *cb_arg = arg; 10349f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande nfc_digital_cmd_complete_t cb = cb_arg->complete_cb; 10359f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande u32 status; 10369f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande int rc; 10379f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10389f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (IS_ERR(resp)) { 10399f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande rc = PTR_ERR(resp); 10409f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande goto exit; 10419f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande } 10429f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10439f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (resp->len < 4) { 10449f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande nfc_err(&dev->interface->dev, 10459f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande "Invalid packet length received.\n"); 10469f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande rc = -EIO; 10479f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande goto error; 10489f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande } 10499f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10509f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande status = le32_to_cpu(*(__le32 *)resp->data); 10519f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10529f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande skb_pull(resp, sizeof(u32)); 10539f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10549f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (status == PORT100_CMD_STATUS_TIMEOUT) { 10559f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande rc = -ETIMEDOUT; 10569f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande goto error; 10579f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande } 10589f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10599f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (status != PORT100_CMD_STATUS_OK) { 10609f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande nfc_err(&dev->interface->dev, 10619f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande "in_comm_rf failed with status 0x%08x\n", status); 10629f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande rc = -EIO; 10639f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande goto error; 10649f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande } 10659f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10669f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande /* Remove collision bits byte */ 10679f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande skb_pull(resp, 1); 10689f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10699f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande goto exit; 10709f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10719f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandeerror: 10729f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande kfree_skb(resp); 10739f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande resp = ERR_PTR(rc); 10749f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10759f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escandeexit: 10769f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande cb(dev->nfc_digital_dev, cb_arg->complete_arg, resp); 10779f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10789f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande kfree(cb_arg); 1079562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1080562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1081562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_in_send_cmd(struct nfc_digital_dev *ddev, 1082562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct sk_buff *skb, u16 _timeout, 1083562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_cmd_complete_t cb, void *arg) 1084562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 10859f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 10869f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande struct port100_cb_arg *cb_arg; 10879f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande __le16 timeout; 10889f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10899f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande cb_arg = kzalloc(sizeof(struct port100_cb_arg), GFP_KERNEL); 10909f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande if (!cb_arg) 10919f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return -ENOMEM; 10929f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10939f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande cb_arg->complete_cb = cb; 10949f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande cb_arg->complete_arg = arg; 10959f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10969f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande timeout = cpu_to_le16(_timeout * 10); 10979f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 10989f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande memcpy(skb_push(skb, sizeof(__le16)), &timeout, sizeof(__le16)); 10999f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande 11009f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande return port100_send_cmd_async(dev, PORT100_CMD_IN_COMM_RF, skb, 11019f7b57f28cb7513d3245e74cd7536304306d1cc0Thierry Escande port100_in_comm_rf_complete, cb_arg); 1102562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1103562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 11047227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestatic int port100_tg_set_rf(struct nfc_digital_dev *ddev, u8 rf) 11057227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande{ 11067227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 11077227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *skb; 11087227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *resp; 11097227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande int rc; 11107227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11117227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (rf >= NFC_DIGITAL_RF_TECH_LAST) 11127227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -EINVAL; 11137227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11147227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb = port100_alloc_skb(dev, sizeof(struct port100_tg_rf_setting)); 11157227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!skb) 11167227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -ENOMEM; 11177227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11187227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande memcpy(skb_put(skb, sizeof(struct port100_tg_rf_setting)), 11197227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande &tg_rf_settings[rf], 11207227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande sizeof(struct port100_tg_rf_setting)); 11217227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11227227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_TG_SET_RF, skb); 11237227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11247227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (IS_ERR(resp)) 11257227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return PTR_ERR(resp); 11267227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11277227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande rc = resp->data[0]; 11287227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11297227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande dev_kfree_skb(resp); 11307227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11317227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return rc; 11327227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande} 11337227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11347227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestatic int port100_tg_set_framing(struct nfc_digital_dev *ddev, int param) 11357227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande{ 11367227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 11377227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_protocol *protocols; 11387227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *skb; 11397227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *resp; 11407227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande int rc; 11417227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande int num_protocols; 11427227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande size_t size; 11437227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11447227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (param >= NFC_DIGITAL_FRAMING_LAST) 11457227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -EINVAL; 11467227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11477227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande protocols = tg_protocols[param]; 11487227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11497227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande num_protocols = 0; 11507227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande while (protocols[num_protocols].number != PORT100_TG_PROT_END) 11517227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande num_protocols++; 11527227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11537227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!num_protocols) 11547227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return 0; 11557227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11567227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande size = sizeof(struct port100_protocol) * num_protocols; 11577227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11587227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb = port100_alloc_skb(dev, size); 11597227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!skb) 11607227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -ENOMEM; 11617227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11627227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande memcpy(skb_put(skb, size), protocols, size); 11637227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11647227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande resp = port100_send_cmd_sync(dev, PORT100_CMD_TG_SET_PROTOCOL, skb); 11657227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11667227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (IS_ERR(resp)) 11677227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return PTR_ERR(resp); 11687227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11697227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande rc = resp->data[0]; 11707227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11717227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande dev_kfree_skb(resp); 11727227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11737227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return rc; 11747227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande} 11757227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 1176562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_tg_configure_hw(struct nfc_digital_dev *ddev, int type, 1177562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande int param) 1178562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 11797227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (type == NFC_DIGITAL_CONFIG_RF_TECH) 11807227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return port100_tg_set_rf(ddev, param); 11817227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11827227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (type == NFC_DIGITAL_CONFIG_FRAMING) 11837227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return port100_tg_set_framing(ddev, param); 11847227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11857227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -EINVAL; 11867227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande} 11877227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11887227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestatic bool port100_tg_target_activated(struct port100 *dev, u8 tgt_activated) 11897227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande{ 11907227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u8 mask; 11917227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 11927227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande switch (dev->cmd_type) { 11937227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande case PORT100_CMD_TYPE_0: 11947227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande mask = PORT100_MDAA_TGT_HAS_BEEN_ACTIVATED_MASK; 11957227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande break; 11967227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande case PORT100_CMD_TYPE_1: 11977227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande mask = PORT100_MDAA_TGT_HAS_BEEN_ACTIVATED_MASK | 11987227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande PORT100_MDAA_TGT_WAS_ACTIVATED_MASK; 11997227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande break; 12007227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande default: 12017227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande nfc_err(&dev->interface->dev, "Unknonwn command type.\n"); 12027227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return false; 12037227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande } 12047227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12057227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return ((tgt_activated & mask) == mask); 12067227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande} 12077227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12087227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandestatic void port100_tg_comm_rf_complete(struct port100 *dev, void *arg, 12097227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *resp) 12107227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande{ 12117227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande u32 status; 12127227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_cb_arg *cb_arg = arg; 12137227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande nfc_digital_cmd_complete_t cb = cb_arg->complete_cb; 12147227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_tg_comm_rf_res *hdr; 12157227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12167227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (IS_ERR(resp)) 12177227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande goto exit; 12187227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12197227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr = (struct port100_tg_comm_rf_res *)resp->data; 12207227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12217227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande status = le32_to_cpu(hdr->status); 12227227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12237227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (cb_arg->mdaa && 12247227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande !port100_tg_target_activated(dev, hdr->target_activated)) { 12257227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande kfree_skb(resp); 12267227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande resp = ERR_PTR(-ETIMEDOUT); 12277227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12287227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande goto exit; 12297227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande } 12307227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12317227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb_pull(resp, sizeof(struct port100_tg_comm_rf_res)); 12327227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12337227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (status != PORT100_CMD_STATUS_OK) { 12347227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande kfree_skb(resp); 12357227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12367227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (status == PORT100_CMD_STATUS_TIMEOUT) 12377227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande resp = ERR_PTR(-ETIMEDOUT); 12387227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande else 12397227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande resp = ERR_PTR(-EIO); 12407227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande } 12417227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12427227c0216d2f879d548e8028dc0298a6156ae633Thierry Escandeexit: 12437227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb(dev->nfc_digital_dev, cb_arg->complete_arg, resp); 12447227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12457227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande kfree(cb_arg); 1246562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1247562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1248562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_tg_send_cmd(struct nfc_digital_dev *ddev, 1249562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct sk_buff *skb, u16 timeout, 1250562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_cmd_complete_t cb, void *arg) 1251562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 12527227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 12537227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_tg_comm_rf_cmd *hdr; 12547227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_cb_arg *cb_arg; 12557227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12567227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg = kzalloc(sizeof(struct port100_cb_arg), GFP_KERNEL); 12577227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!cb_arg) 12587227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -ENOMEM; 12597227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12607227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg->complete_cb = cb; 12617227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg->complete_arg = arg; 12627227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12637227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb_push(skb, sizeof(struct port100_tg_comm_rf_cmd)); 12647227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12657227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr = (struct port100_tg_comm_rf_cmd *)skb->data; 12667227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12677227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande memset(hdr, 0, sizeof(struct port100_tg_comm_rf_cmd)); 12687227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->guard_time = cpu_to_le16(500); 12697227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->send_timeout = cpu_to_le16(0xFFFF); 12707227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->recv_timeout = cpu_to_le16(timeout); 12717227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12727227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return port100_send_cmd_async(dev, PORT100_CMD_TG_COMM_RF, skb, 12737227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande port100_tg_comm_rf_complete, cb_arg); 1274562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1275562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1276562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_listen_mdaa(struct nfc_digital_dev *ddev, 1277562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct digital_tg_mdaa_params *params, 1278562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande u16 timeout, 1279562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_cmd_complete_t cb, void *arg) 1280562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 12817227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 12827227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_tg_comm_rf_cmd *hdr; 12837227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100_cb_arg *cb_arg; 12847227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *skb; 12857227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande int rc; 12867227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12877227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande rc = port100_tg_configure_hw(ddev, NFC_DIGITAL_CONFIG_RF_TECH, 12887227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande NFC_DIGITAL_RF_TECH_106A); 12897227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (rc) 12907227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return rc; 12917227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12927227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande rc = port100_tg_configure_hw(ddev, NFC_DIGITAL_CONFIG_FRAMING, 12937227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande NFC_DIGITAL_FRAMING_NFCA_NFC_DEP); 12947227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (rc) 12957227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return rc; 12967227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 12977227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg = kzalloc(sizeof(struct port100_cb_arg), GFP_KERNEL); 12987227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!cb_arg) 12997227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -ENOMEM; 13007227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13017227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg->complete_cb = cb; 13027227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg->complete_arg = arg; 13037227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande cb_arg->mdaa = 1; 13047227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13057227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb = port100_alloc_skb(dev, 0); 13067227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!skb) { 13077227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande kfree(cb_arg); 13087227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -ENOMEM; 13097227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande } 13107227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13117227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb_push(skb, sizeof(struct port100_tg_comm_rf_cmd)); 13127227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr = (struct port100_tg_comm_rf_cmd *)skb->data; 13137227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13147227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande memset(hdr, 0, sizeof(struct port100_tg_comm_rf_cmd)); 13157227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13167227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->guard_time = 0; 13177227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->send_timeout = cpu_to_le16(0xFFFF); 13187227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->mdaa = 1; 13197227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->nfca_param[0] = (params->sens_res >> 8) & 0xFF; 13207227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->nfca_param[1] = params->sens_res & 0xFF; 13217227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande memcpy(hdr->nfca_param + 2, params->nfcid1, 3); 13227227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->nfca_param[5] = params->sel_res; 13237227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande memcpy(hdr->nfcf_param, params->nfcid2, 8); 13247227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->nfcf_param[16] = (params->sc >> 8) & 0xFF; 13257227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->nfcf_param[17] = params->sc & 0xFF; 13267227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande hdr->recv_timeout = cpu_to_le16(timeout); 13277227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13287227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return port100_send_cmd_async(dev, PORT100_CMD_TG_COMM_RF, skb, 13297227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande port100_tg_comm_rf_complete, cb_arg); 1330562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1331562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1332562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_listen(struct nfc_digital_dev *ddev, u16 timeout, 1333562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_cmd_complete_t cb, void *arg) 1334562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 13357227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct port100 *dev = nfc_digital_get_drvdata(ddev); 13367227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande struct sk_buff *skb; 13377227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13387227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande skb = port100_alloc_skb(dev, 0); 13397227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande if (!skb) 13407227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return -ENOMEM; 13417227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande 13427227c0216d2f879d548e8028dc0298a6156ae633Thierry Escande return port100_tg_send_cmd(ddev, skb, timeout, cb, arg); 1343562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1344562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1345562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic struct nfc_digital_ops port100_digital_ops = { 1346562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .in_configure_hw = port100_in_configure_hw, 1347562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .in_send_cmd = port100_in_send_cmd, 1348562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1349562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .tg_listen_mdaa = port100_listen_mdaa, 1350562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .tg_listen = port100_listen, 1351562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .tg_configure_hw = port100_tg_configure_hw, 1352562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .tg_send_cmd = port100_tg_send_cmd, 1353562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1354562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .switch_rf = port100_switch_rf, 1355562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .abort_cmd = port100_abort_cmd, 1356562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande}; 1357562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1358562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic const struct usb_device_id port100_table[] = { 1359562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande { .match_flags = USB_DEVICE_ID_MATCH_DEVICE, 1360562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .idVendor = SONY_VENDOR_ID, 1361562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .idProduct = RCS380_PRODUCT_ID, 1362562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande }, 1363562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande { } 1364562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande}; 1365562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry EscandeMODULE_DEVICE_TABLE(usb, port100_table); 1366562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1367562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic int port100_probe(struct usb_interface *interface, 1368562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande const struct usb_device_id *id) 1369562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 1370562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct port100 *dev; 1371562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande int rc; 13720347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct usb_host_interface *iface_desc; 13730347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande struct usb_endpoint_descriptor *endpoint; 13740347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int in_endpoint; 13750347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int out_endpoint; 13760347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u16 fw_version; 13770347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande u64 cmd_type_mask; 13780347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande int i; 1379562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1380562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev = devm_kzalloc(&interface->dev, sizeof(struct port100), GFP_KERNEL); 1381562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande if (!dev) 1382562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande return -ENOMEM; 1383562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1384562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev->udev = usb_get_dev(interface_to_usbdev(interface)); 1385562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev->interface = interface; 1386562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande usb_set_intfdata(interface, dev); 1387562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 13880347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande in_endpoint = out_endpoint = 0; 13890347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande iface_desc = interface->cur_altsetting; 13900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { 13910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande endpoint = &iface_desc->endpoint[i].desc; 13920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 13930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!in_endpoint && usb_endpoint_is_bulk_in(endpoint)) 13940347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande in_endpoint = endpoint->bEndpointAddress; 13950347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 13960347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!out_endpoint && usb_endpoint_is_bulk_out(endpoint)) 13970347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande out_endpoint = endpoint->bEndpointAddress; 13980347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 13990347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14000347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!in_endpoint || !out_endpoint) { 14010347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&interface->dev, 14020347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "Could not find bulk-in or bulk-out endpoint\n"); 14030347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = -ENODEV; 14040347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto error; 14050347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 14060347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->in_urb = usb_alloc_urb(0, GFP_KERNEL); 14080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->out_urb = usb_alloc_urb(0, GFP_KERNEL); 14090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!dev->in_urb || !dev->out_urb) { 14110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&interface->dev, "Could not allocate USB URBs\n"); 14120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = -ENOMEM; 14130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto error; 14140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 14150347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14160347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_fill_bulk_urb(dev->in_urb, dev->udev, 14170347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_rcvbulkpipe(dev->udev, in_endpoint), 14180347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande NULL, 0, NULL, dev); 14190347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_fill_bulk_urb(dev->out_urb, dev->udev, 14200347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_sndbulkpipe(dev->udev, out_endpoint), 14210347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande NULL, 0, port100_send_complete, dev); 14220347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14230347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->skb_headroom = PORT100_FRAME_HEADER_LEN + 14240347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande PORT100_COMM_RF_HEAD_MAX_LEN; 14250347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->skb_tailroom = PORT100_FRAME_TAIL_LEN; 14260347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14270347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande INIT_WORK(&dev->cmd_complete_work, port100_wq_cmd_complete); 14280347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14290347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande /* The first thing to do with the Port-100 is to set the command type 14300347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande * to be used. If supported we use command type 1. 0 otherwise. 14310347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande */ 14320347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande cmd_type_mask = port100_get_command_type_mask(dev); 14330347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!cmd_type_mask) { 14340347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&interface->dev, 14350347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "Could not get supported command types.\n"); 14360347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = -ENODEV; 14370347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto error; 14380347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 14390347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14400347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (PORT100_CMD_TYPE_IS_SUPPORTED(cmd_type_mask, PORT100_CMD_TYPE_1)) 14410347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->cmd_type = PORT100_CMD_TYPE_1; 14420347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande else 14430347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->cmd_type = PORT100_CMD_TYPE_0; 14440347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14450347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande rc = port100_set_command_type(dev, dev->cmd_type); 14460347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (rc) { 14470347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&interface->dev, 14480347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "The device does not support command type %u.\n", 14490347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande dev->cmd_type); 14500347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande goto error; 14510347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande } 14520347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14530347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande fw_version = port100_get_firmware_version(dev); 14540347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande if (!fw_version) 14550347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_err(&interface->dev, 14560347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "Could not get device firmware version.\n"); 14570347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 14580347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande nfc_info(&interface->dev, 14590347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande "Sony NFC Port-100 Series attached (firmware v%x.%02x)\n", 14600347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande (fw_version & 0xFF00) >> 8, fw_version & 0xFF); 1461562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1462562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev->nfc_digital_dev = nfc_digital_allocate_device(&port100_digital_ops, 1463562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande PORT100_PROTOCOLS, 1464562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande PORT100_CAPABILITIES, 1465562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev->skb_headroom, 1466562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev->skb_tailroom); 1467562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande if (!dev->nfc_digital_dev) { 1468562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_err(&interface->dev, 1469562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande "Could not allocate nfc_digital_dev.\n"); 1470562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande rc = -ENOMEM; 1471562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande goto error; 1472562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande } 1473562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1474562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_set_parent_dev(dev->nfc_digital_dev, &interface->dev); 1475562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_set_drvdata(dev->nfc_digital_dev, dev); 1476562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1477562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande rc = nfc_digital_register_device(dev->nfc_digital_dev); 1478562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande if (rc) { 1479562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_err(&interface->dev, 1480562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande "Could not register digital device.\n"); 1481562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande goto free_nfc_dev; 1482562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande } 1483562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1484562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande return 0; 1485562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1486562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandefree_nfc_dev: 1487562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_free_device(dev->nfc_digital_dev); 1488562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1489562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandeerror: 14900347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_free_urb(dev->in_urb); 14910347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_free_urb(dev->out_urb); 14920347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_put_dev(dev->udev); 14930347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 1494562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande return rc; 1495562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1496562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1497562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic void port100_disconnect(struct usb_interface *interface) 1498562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande{ 1499562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande struct port100 *dev; 1500562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1501562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande dev = usb_get_intfdata(interface); 1502562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande usb_set_intfdata(interface, NULL); 1503562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1504562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_unregister_device(dev->nfc_digital_dev); 1505562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_digital_free_device(dev->nfc_digital_dev); 1506562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 15070347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_kill_urb(dev->in_urb); 15080347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_kill_urb(dev->out_urb); 15090347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 15100347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_free_urb(dev->in_urb); 15110347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande usb_free_urb(dev->out_urb); 15120347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 15130347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande kfree(dev->cmd); 15140347a6ab300a1532c298823408d6e51ccf4e4f45Thierry Escande 1515562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande nfc_info(&interface->dev, "Sony Port-100 NFC device disconnected"); 1516562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande} 1517562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1518562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandestatic struct usb_driver port100_driver = { 1519562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .name = "port100", 1520562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .probe = port100_probe, 1521562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .disconnect = port100_disconnect, 1522562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande .id_table = port100_table, 1523562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande}; 1524562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1525562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escandemodule_usb_driver(port100_driver); 1526562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry Escande 1527562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry EscandeMODULE_DESCRIPTION("NFC Port-100 series usb driver ver " VERSION); 1528562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry EscandeMODULE_VERSION(VERSION); 1529562d4d59b8a1d5f3ca75115d6ac10c7b7bc68c06Thierry EscandeMODULE_LICENSE("GPL"); 1530