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Lukasz Majewskib819ddb2012-08-06 14:41:06 +02001/*
2 * f_dfu.h -- Device Firmware Update gadget
3 *
4 * Copyright (C) 2011-2012 Samsung Electronics
5 * author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
6 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Lukasz Majewskib819ddb2012-08-06 14:41:06 +02008 */
9
10#ifndef __F_DFU_H_
11#define __F_DFU_H_
12
13#include <linux/compiler.h>
14#include <linux/usb/composite.h>
15
16#define DFU_CONFIG_VAL 1
17#define DFU_DT_FUNC 0x21
18
19#define DFU_BIT_WILL_DETACH (0x1 << 3)
20#define DFU_BIT_MANIFESTATION_TOLERANT (0x1 << 2)
21#define DFU_BIT_CAN_UPLOAD (0x1 << 1)
22#define DFU_BIT_CAN_DNLOAD 0x1
23
24/* big enough to hold our biggest descriptor */
25#define DFU_USB_BUFSIZ 4096
26
27#define USB_REQ_DFU_DETACH 0x00
28#define USB_REQ_DFU_DNLOAD 0x01
29#define USB_REQ_DFU_UPLOAD 0x02
30#define USB_REQ_DFU_GETSTATUS 0x03
31#define USB_REQ_DFU_CLRSTATUS 0x04
32#define USB_REQ_DFU_GETSTATE 0x05
33#define USB_REQ_DFU_ABORT 0x06
34
35#define DFU_STATUS_OK 0x00
36#define DFU_STATUS_errTARGET 0x01
37#define DFU_STATUS_errFILE 0x02
38#define DFU_STATUS_errWRITE 0x03
39#define DFU_STATUS_errERASE 0x04
40#define DFU_STATUS_errCHECK_ERASED 0x05
41#define DFU_STATUS_errPROG 0x06
42#define DFU_STATUS_errVERIFY 0x07
43#define DFU_STATUS_errADDRESS 0x08
44#define DFU_STATUS_errNOTDONE 0x09
45#define DFU_STATUS_errFIRMWARE 0x0a
46#define DFU_STATUS_errVENDOR 0x0b
47#define DFU_STATUS_errUSBR 0x0c
48#define DFU_STATUS_errPOR 0x0d
49#define DFU_STATUS_errUNKNOWN 0x0e
50#define DFU_STATUS_errSTALLEDPKT 0x0f
51
52#define RET_STALL -1
53#define RET_ZLP 0
54#define RET_STAT_LEN 6
55
56enum dfu_state {
57 DFU_STATE_appIDLE = 0,
58 DFU_STATE_appDETACH = 1,
59 DFU_STATE_dfuIDLE = 2,
60 DFU_STATE_dfuDNLOAD_SYNC = 3,
61 DFU_STATE_dfuDNBUSY = 4,
62 DFU_STATE_dfuDNLOAD_IDLE = 5,
63 DFU_STATE_dfuMANIFEST_SYNC = 6,
64 DFU_STATE_dfuMANIFEST = 7,
65 DFU_STATE_dfuMANIFEST_WAIT_RST = 8,
66 DFU_STATE_dfuUPLOAD_IDLE = 9,
67 DFU_STATE_dfuERROR = 10,
68};
69
70struct dfu_status {
71 __u8 bStatus;
72 __u8 bwPollTimeout[3];
73 __u8 bState;
74 __u8 iString;
75} __packed;
76
77struct dfu_function_descriptor {
78 __u8 bLength;
79 __u8 bDescriptorType;
80 __u8 bmAttributes;
81 __le16 wDetachTimeOut;
82 __le16 wTransferSize;
83 __le16 bcdDFUVersion;
84} __packed;
Lukasz Majewskib819ddb2012-08-06 14:41:06 +020085#endif /* __F_DFU_H_ */