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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-08 21:22:09 -04:00
usb: gadget: Add snapshot of CCID function driver
This USB CCID function driver will be a transport layer between the
userspace CCID component and the Windows Host. Data and control
commands from the Windows Host will be sent to the userspace component
and vice-versa. This snapshot is taken as of msm-4.19 commit 104eef6e1fe8
("platform: msm: Remove unused local count variable").
Change-Id: I47301a318cb04c814699abf3e5ed5a9aecd7fbee
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
This commit is contained in:
Mayank Rana
Gerrit - the friendly Code Review server
parent
9dff3d36df
commit
8a07131c08
5 changed files with 1443 additions and 0 deletions
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@ -228,6 +228,9 @@ config USB_F_AUDIO_SRC
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config USB_F_QDSS
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tristate
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config USB_F_CCID
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tristate
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# this first set of drivers all depend on bulk-capable hardware.
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config USB_CONFIGFS
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@ -540,6 +543,18 @@ config USB_CONFIGFS_F_QDSS
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between USB BAM and QDSS BAM for QDSS debug functionality
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over USB.
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config USB_CONFIGFS_F_CCID
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tristate "USB CCID function"
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select USB_F_CCID
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depends on USB_CONFIGFS
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help
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The Chip Card Interface Device (CCID) function implements a USB
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interface that exposes a standard CSCID class that consists of a
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pair of bulk IN and OUT endpoints and a single interrupt IN
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endpoint. This driver provides a character device interface
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allowing a userspace component to be able to provide the
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implementation necessary to interface with the smartcard.
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choice
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tristate "USB Gadget precomposed configurations"
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default USB_ETH
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@ -58,3 +58,5 @@ usb_f_diag-y := f_diag.o
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obj-$(CONFIG_USB_F_DIAG) += usb_f_diag.o
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usb_f_qdss-y := f_qdss.o u_qdss.o
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obj-$(CONFIG_USB_F_QDSS) += usb_f_qdss.o
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usb_f_ccid-y := f_ccid.o
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obj-$(CONFIG_USB_F_CCID) += usb_f_ccid.o
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1247
drivers/usb/gadget/function/f_ccid.c
Normal file
1247
drivers/usb/gadget/function/f_ccid.c
Normal file
File diff suppressed because it is too large
Load diff
75
drivers/usb/gadget/function/f_ccid.h
Normal file
75
drivers/usb/gadget/function/f_ccid.h
Normal file
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@ -0,0 +1,75 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2011, 2017 The Linux Foundation. All rights reserved.
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*/
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#ifndef __F_CCID_H
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#define __F_CCID_H
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#define PROTOCOL_TO 0x01
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#define PROTOCOL_T1 0x02
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#define ABDATA_SIZE 512
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/* define for dwFeatures for Smart Card Device Class Descriptors */
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/* No special characteristics */
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#define CCID_FEATURES_NADA 0x00000000
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/* Automatic parameter configuration based on ATR data */
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#define CCID_FEATURES_AUTO_PCONF 0x00000002
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/* Automatic activation of ICC on inserting */
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#define CCID_FEATURES_AUTO_ACTIV 0x00000004
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/* Automatic ICC voltage selection */
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#define CCID_FEATURES_AUTO_VOLT 0x00000008
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/* Automatic ICC clock frequency change */
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#define CCID_FEATURES_AUTO_CLOCK 0x00000010
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/* Automatic baud rate change */
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#define CCID_FEATURES_AUTO_BAUD 0x00000020
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/*Automatic parameters negotiation made by the CCID */
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#define CCID_FEATURES_AUTO_PNEGO 0x00000040
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/* Automatic PPS made by the CCID according to the active parameters */
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#define CCID_FEATURES_AUTO_PPS 0x00000080
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/* CCID can set ICC in clock stop mode */
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#define CCID_FEATURES_ICCSTOP 0x00000100
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/* NAD value other than 00 accepted (T=1 protocol in use) */
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#define CCID_FEATURES_NAD 0x00000200
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/* Automatic IFSD exchange as first exchange (T=1 protocol in use) */
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#define CCID_FEATURES_AUTO_IFSD 0x00000400
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/* TPDU level exchanges with CCID */
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#define CCID_FEATURES_EXC_TPDU 0x00010000
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/* Short APDU level exchange with CCID */
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#define CCID_FEATURES_EXC_SAPDU 0x00020000
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/* Short and Extended APDU level exchange with CCID */
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#define CCID_FEATURES_EXC_APDU 0x00040000
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/* USB Wake up signaling supported on card insertion and removal */
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#define CCID_FEATURES_WAKEUP 0x00100000
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#define CCID_NOTIFY_CARD _IOW('C', 1, struct usb_ccid_notification)
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#define CCID_NOTIFY_HWERROR _IOW('C', 2, struct usb_ccid_notification)
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#define CCID_READ_DTR _IOR('C', 3, int)
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struct usb_ccid_notification {
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__u8 buf[4];
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} __packed;
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struct ccid_bulk_in_header {
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__u8 bMessageType;
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__u32 wLength;
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__u8 bSlot;
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__u8 bSeq;
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__u8 bStatus;
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__u8 bError;
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__u8 bSpecific;
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__u8 abData[ABDATA_SIZE];
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__u8 bSizeToSend;
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} __packed;
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struct ccid_bulk_out_header {
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__u8 bMessageType;
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__u32 wLength;
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__u8 bSlot;
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__u8 bSeq;
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__u8 bSpecific_0;
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__u8 bSpecific_1;
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__u8 bSpecific_2;
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__u8 APDU[ABDATA_SIZE];
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} __packed;
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#endif
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104
include/linux/usb/ccid_desc.h
Normal file
104
include/linux/usb/ccid_desc.h
Normal file
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@ -0,0 +1,104 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2011, 2017 The Linux Foundation. All rights reserved.
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*/
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#ifndef __LINUX_USB_CCID_DESC_H
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#define __LINUX_USB_CCID_DESC_H
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/*CCID specification version 1.10*/
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#define CCID1_10 0x0110
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#define SMART_CARD_DEVICE_CLASS 0x0B
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/* Smart Card Device Class Descriptor Type */
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#define CCID_DECRIPTOR_TYPE 0x21
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/* Table 5.3-1 Summary of CCID Class Specific Request */
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#define CCIDGENERICREQ_ABORT 0x01
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#define CCIDGENERICREQ_GET_CLOCK_FREQUENCIES 0x02
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#define CCIDGENERICREQ_GET_DATA_RATES 0x03
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/* 6.1 Command Pipe, Bulk-OUT Messages */
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#define PC_TO_RDR_ICCPOWERON 0x62
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#define PC_TO_RDR_ICCPOWEROFF 0x63
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#define PC_TO_RDR_GETSLOTSTATUS 0x65
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#define PC_TO_RDR_XFRBLOCK 0x6F
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#define PC_TO_RDR_GETPARAMETERS 0x6C
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#define PC_TO_RDR_RESETPARAMETERS 0x6D
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#define PC_TO_RDR_SETPARAMETERS 0x61
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#define PC_TO_RDR_ESCAPE 0x6B
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#define PC_TO_RDR_ICCCLOCK 0x6E
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#define PC_TO_RDR_T0APDU 0x6A
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#define PC_TO_RDR_SECURE 0x69
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#define PC_TO_RDR_MECHANICAL 0x71
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#define PC_TO_RDR_ABORT 0x72
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#define PC_TO_RDR_SETDATARATEANDCLOCKFREQUENCY 0x73
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/* 6.2 Response Pipe, Bulk-IN Messages */
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#define RDR_TO_PC_DATABLOCK 0x80
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#define RDR_TO_PC_SLOTSTATUS 0x81
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#define RDR_TO_PC_PARAMETERS 0x82
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#define RDR_TO_PC_ESCAPE 0x83
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#define RDR_TO_PC_DATARATEANDCLOCKFREQUENCY 0x84
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/* 6.3 Interrupt-IN Messages */
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#define RDR_TO_PC_NOTIFYSLOTCHANGE 0x50
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#define RDR_TO_PC_HARDWAREERROR 0x51
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/* Table 6.2-2 Slot error register when bmCommandStatus = 1 */
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#define CMD_ABORTED 0xFF
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#define ICC_MUTE 0xFE
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#define XFR_PARITY_ERROR 0xFD
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#define XFR_OVERRUN 0xFC
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#define HW_ERROR 0xFB
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#define BAD_ATR_TS 0xF8
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#define BAD_ATR_TCK 0xF7
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#define ICC_PROTOCOL_NOT_SUPPORTED 0xF6
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#define ICC_CLASS_NOT_SUPPORTED 0xF5
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#define PROCEDURE_BYTE_CONFLICT 0xF4
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#define DEACTIVATED_PROTOCOL 0xF3
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#define BUSY_WITH_AUTO_SEQUENCE 0xF2
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#define PIN_TIMEOUT 0xF0
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#define PIN_CANCELLED 0xEF
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#define CMD_SLOT_BUSY 0xE0
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/* CCID rev 1.1, p.27 */
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#define VOLTS_AUTO 0x00
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#define VOLTS_5_0 0x01
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#define VOLTS_3_0 0x02
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#define VOLTS_1_8 0x03
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/* 6.3.1 RDR_to_PC_NotifySlotChange */
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#define ICC_NOT_PRESENT 0x00
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#define ICC_PRESENT 0x01
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#define ICC_CHANGE 0x02
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#define ICC_INSERTED_EVENT (ICC_PRESENT+ICC_CHANGE)
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/* Identifies the length of type of subordinate descriptors of a CCID device
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* Table 5.1-1 Smart Card Device Class descriptors
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*/
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struct usb_ccid_class_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u16 bcdCCID;
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__u8 bMaxSlotIndex;
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__u8 bVoltageSupport;
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__u32 dwProtocols;
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__u32 dwDefaultClock;
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__u32 dwMaximumClock;
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__u8 bNumClockSupported;
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__u32 dwDataRate;
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__u32 dwMaxDataRate;
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__u8 bNumDataRatesSupported;
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__u32 dwMaxIFSD;
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__u32 dwSynchProtocols;
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__u32 dwMechanical;
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__u32 dwFeatures;
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__u32 dwMaxCCIDMessageLength;
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__u8 bClassGetResponse;
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__u8 bClassEnvelope;
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__u16 wLcdLayout;
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__u8 bPINSupport;
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__u8 bMaxCCIDBusySlots;
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} __packed;
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#endif
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