020bfa88c1
NFC driver currently have support for targtes with NQ4xx and later NFC HW. Targets having NQ3xx or older HW do not support NCI 2.0 specifications. Add support to probe device node on targets with NQ3xx or older NFC HW. Change-Id: I179a536cf68dea72f125f730d55fdb6d559fbe2c Signed-off-by: Bhuvan Varshney <bvarshne@codeaurora.org> Signed-off-by: Asha Magadi Venkateshamurthy <amagad@codeaurora.org>
126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef __NQ_NCI_H
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#define __NQ_NCI_H
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#include <linux/i2c.h>
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#include <linux/types.h>
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#include <linux/version.h>
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#include <linux/semaphore.h>
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#include <linux/completion.h>
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#include <linux/ioctl.h>
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#include <linux/cdev.h>
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#include <linux/nfcinfo.h>
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#define NFC_SET_PWR _IOW(0xE9, 0x01, unsigned int)
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#define ESE_SET_PWR _IOW(0xE9, 0x02, unsigned int)
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#define ESE_GET_PWR _IOR(0xE9, 0x03, unsigned int)
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#define SET_RX_BLOCK _IOW(0xE9, 0x04, unsigned int)
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#define SET_EMULATOR_TEST_POINT _IOW(0xE9, 0x05, unsigned int)
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#define NFCC_INITIAL_CORE_RESET_NTF _IOW(0xE9, 0x10, unsigned int)
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#define DEV_COUNT 1
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#define DEVICE_NAME "nq-nci"
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#define CLASS_NAME "nqx"
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/*
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* From MW 11.04 buffer size increased to support
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* frame size of 554 in FW download mode
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* Frame len(2) + Frame Header(6) + DATA(512) + HASH(32) + CRC(2) + RFU(4)
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*/
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#define MAX_BUFFER_SIZE (558)
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#define WAKEUP_SRC_TIMEOUT (2000)
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#define NCI_HEADER_LEN 3
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#define NCI_PAYLOAD_IDX 3
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#define MAX_RETRY_COUNT 3
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#define NCI_RESET_CMD_LEN 4
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#define NCI_RESET_RSP_LEN 4
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#define NCI_RESET_NTF_LEN 13
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#define NCI_INIT_CMD_LEN 3
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#define NCI_INIT_RSP_LEN 28
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#define NCI_GET_VERSION_CMD_LEN 8
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#define NCI_GET_VERSION_RSP_LEN 12
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#define NCI_1_0_RESET_RSP_PAYLOAD_LEN 3
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#define NCI_PAYLOAD_START_INDEX 3
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#define NCI_PAYLOAD_LENGTH_INDEX (NCI_PAYLOAD_START_INDEX - 1)
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#define NFCC_HW_CHIP_ID_OFFSET 4
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#define NFCC_HW_ROM_VER_OFFSET 3
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#define NFCC_HW_MAJOR_NO_OFFSET 2
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#define NFCC_HW_MINOR_NO_OFFSET 1
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#define MAX_IRQ_WAIT_TIME (90) //in ms
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#define COLD_RESET_CMD_LEN 3
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#define COLD_RESET_RSP_LEN 4
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#define COLD_RESET_CMD_GID 0x2F
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#define COLD_RESET_CMD_PAYLOAD_LEN 0x00
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#define COLD_RESET_RSP_GID 0x4F
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#define COLD_RESET_OID 0x1E
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#define NFC_RX_BUFFER_CNT_START (0x0)
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#define PAYLOAD_HEADER_LENGTH (0x3)
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#define PAYLOAD_LENGTH_MAX (256)
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#define BYTE (0x8)
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#define NCI_IDENTIFIER (0x10)
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#define NFC_LDO_SUPPLY_DT_NAME "qcom,nq-vdd-1p8"
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#define NFC_LDO_SUPPLY_NAME "qcom,nq-vdd-1p8-supply"
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#define NFC_LDO_VOL_DT_NAME "qcom,nq-vdd-1p8-voltage"
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#define NFC_LDO_CUR_DT_NAME "qcom,nq-vdd-1p8-current"
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//as per SN1x0 datasheet
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#define NFC_VDDIO_MIN 1650000 //in uV
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#define NFC_VDDIO_MAX 1950000 //in uV
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#define NFC_CURRENT_MAX 157000 //in uA
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enum ese_ioctl_request {
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/* eSE POWER ON */
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ESE_POWER_ON = 0,
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/* eSE POWER OFF */
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ESE_POWER_OFF,
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/* eSE COLD RESET */
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ESE_COLD_RESET,
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/* eSE POWER STATE */
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ESE_POWER_STATE
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};
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enum nfcc_ioctl_request {
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/* NFC disable request with VEN LOW */
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NFC_POWER_OFF = 0,
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/* NFC enable request with VEN Toggle */
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NFC_POWER_ON,
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/* firmware download request with VEN Toggle */
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NFC_FW_DWL_VEN_TOGGLE,
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/* ISO reset request */
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NFC_ISO_RESET,
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/* request for firmware download gpio HIGH */
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NFC_FW_DWL_HIGH,
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/* hard reset request */
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NFC_HARD_RESET,
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/* request for firmware download gpio LOW */
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NFC_FW_DWL_LOW,
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/* NFC enable without VEN gpio modification */
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NFC_ENABLE,
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/* NFC disable without VEN gpio modification */
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NFC_DISABLE
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};
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enum nfcc_initial_core_reset_ntf {
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TIMEDOUT_INITIAL_CORE_RESET_NTF = 0, /* 0*/
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ARRIVED_INITIAL_CORE_RESET_NTF, /* 1 */
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DEFAULT_INITIAL_CORE_RESET_NTF, /*2*/
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};
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enum nfcc_chip_variant {
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NFCC_NQ_210 = 0x48, /**< NFCC NQ210 */
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NFCC_NQ_220 = 0x58, /**< NFCC NQ220 */
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NFCC_NQ_310 = 0x40, /**< NFCC NQ310 */
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NFCC_NQ_330 = 0x51, /**< NFCC NQ330 */
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NFCC_SN100_A = 0xa3, /**< NFCC SN100_A */
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NFCC_SN100_B = 0xa4, /**< NFCC SN100_B */
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NFCC_PN66T = 0x18, /**< NFCC PN66T */
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NFCC_NOT_SUPPORTED = 0xFF /**< NFCC is not supported */
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};
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#endif
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