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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Lukasz Majewskib7a15bf2012-08-06 14:41:06 +02002/*
3 * f_dfu.h -- Device Firmware Update gadget
4 *
5 * Copyright (C) 2011-2012 Samsung Electronics
6 * author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Lukasz Majewskib7a15bf2012-08-06 14:41:06 +02007 */
8
9#ifndef __F_DFU_H_
10#define __F_DFU_H_
11
12#include <linux/compiler.h>
13#include <linux/usb/composite.h>
14
15#define DFU_CONFIG_VAL 1
16#define DFU_DT_FUNC 0x21
17
18#define DFU_BIT_WILL_DETACH (0x1 << 3)
19#define DFU_BIT_MANIFESTATION_TOLERANT (0x1 << 2)
20#define DFU_BIT_CAN_UPLOAD (0x1 << 1)
21#define DFU_BIT_CAN_DNLOAD 0x1
22
23/* big enough to hold our biggest descriptor */
24#define DFU_USB_BUFSIZ 4096
25
26#define USB_REQ_DFU_DETACH 0x00
27#define USB_REQ_DFU_DNLOAD 0x01
28#define USB_REQ_DFU_UPLOAD 0x02
29#define USB_REQ_DFU_GETSTATUS 0x03
30#define USB_REQ_DFU_CLRSTATUS 0x04
31#define USB_REQ_DFU_GETSTATE 0x05
32#define USB_REQ_DFU_ABORT 0x06
33
34#define DFU_STATUS_OK 0x00
35#define DFU_STATUS_errTARGET 0x01
36#define DFU_STATUS_errFILE 0x02
37#define DFU_STATUS_errWRITE 0x03
38#define DFU_STATUS_errERASE 0x04
39#define DFU_STATUS_errCHECK_ERASED 0x05
40#define DFU_STATUS_errPROG 0x06
41#define DFU_STATUS_errVERIFY 0x07
42#define DFU_STATUS_errADDRESS 0x08
43#define DFU_STATUS_errNOTDONE 0x09
44#define DFU_STATUS_errFIRMWARE 0x0a
45#define DFU_STATUS_errVENDOR 0x0b
46#define DFU_STATUS_errUSBR 0x0c
47#define DFU_STATUS_errPOR 0x0d
48#define DFU_STATUS_errUNKNOWN 0x0e
49#define DFU_STATUS_errSTALLEDPKT 0x0f
50
51#define RET_STALL -1
52#define RET_ZLP 0
Lukasz Majewskib7a15bf2012-08-06 14:41:06 +020053
54enum dfu_state {
55 DFU_STATE_appIDLE = 0,
56 DFU_STATE_appDETACH = 1,
57 DFU_STATE_dfuIDLE = 2,
58 DFU_STATE_dfuDNLOAD_SYNC = 3,
59 DFU_STATE_dfuDNBUSY = 4,
60 DFU_STATE_dfuDNLOAD_IDLE = 5,
61 DFU_STATE_dfuMANIFEST_SYNC = 6,
62 DFU_STATE_dfuMANIFEST = 7,
63 DFU_STATE_dfuMANIFEST_WAIT_RST = 8,
64 DFU_STATE_dfuUPLOAD_IDLE = 9,
65 DFU_STATE_dfuERROR = 10,
66};
67
68struct dfu_status {
69 __u8 bStatus;
70 __u8 bwPollTimeout[3];
71 __u8 bState;
72 __u8 iString;
73} __packed;
74
75struct dfu_function_descriptor {
76 __u8 bLength;
77 __u8 bDescriptorType;
78 __u8 bmAttributes;
79 __le16 wDetachTimeOut;
80 __le16 wTransferSize;
81 __le16 bcdDFUVersion;
82} __packed;
Lukasz Majewski2bb115f2013-12-09 16:20:14 +010083
84#define DFU_POLL_TIMEOUT_MASK (0xFFFFFFUL)
Lukasz Majewskib7a15bf2012-08-06 14:41:06 +020085#endif /* __F_DFU_H_ */