| Lukasz Majewski | b819ddb | 2012-08-06 14:41:06 +0200 | [diff] [blame] | 1 | /* |
| 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 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef __F_DFU_H_ |
| 23 | #define __F_DFU_H_ |
| 24 | |
| 25 | #include <linux/compiler.h> |
| 26 | #include <linux/usb/composite.h> |
| 27 | |
| 28 | #define DFU_CONFIG_VAL 1 |
| 29 | #define DFU_DT_FUNC 0x21 |
| 30 | |
| 31 | #define DFU_BIT_WILL_DETACH (0x1 << 3) |
| 32 | #define DFU_BIT_MANIFESTATION_TOLERANT (0x1 << 2) |
| 33 | #define DFU_BIT_CAN_UPLOAD (0x1 << 1) |
| 34 | #define DFU_BIT_CAN_DNLOAD 0x1 |
| 35 | |
| 36 | /* big enough to hold our biggest descriptor */ |
| 37 | #define DFU_USB_BUFSIZ 4096 |
| 38 | |
| 39 | #define USB_REQ_DFU_DETACH 0x00 |
| 40 | #define USB_REQ_DFU_DNLOAD 0x01 |
| 41 | #define USB_REQ_DFU_UPLOAD 0x02 |
| 42 | #define USB_REQ_DFU_GETSTATUS 0x03 |
| 43 | #define USB_REQ_DFU_CLRSTATUS 0x04 |
| 44 | #define USB_REQ_DFU_GETSTATE 0x05 |
| 45 | #define USB_REQ_DFU_ABORT 0x06 |
| 46 | |
| 47 | #define DFU_STATUS_OK 0x00 |
| 48 | #define DFU_STATUS_errTARGET 0x01 |
| 49 | #define DFU_STATUS_errFILE 0x02 |
| 50 | #define DFU_STATUS_errWRITE 0x03 |
| 51 | #define DFU_STATUS_errERASE 0x04 |
| 52 | #define DFU_STATUS_errCHECK_ERASED 0x05 |
| 53 | #define DFU_STATUS_errPROG 0x06 |
| 54 | #define DFU_STATUS_errVERIFY 0x07 |
| 55 | #define DFU_STATUS_errADDRESS 0x08 |
| 56 | #define DFU_STATUS_errNOTDONE 0x09 |
| 57 | #define DFU_STATUS_errFIRMWARE 0x0a |
| 58 | #define DFU_STATUS_errVENDOR 0x0b |
| 59 | #define DFU_STATUS_errUSBR 0x0c |
| 60 | #define DFU_STATUS_errPOR 0x0d |
| 61 | #define DFU_STATUS_errUNKNOWN 0x0e |
| 62 | #define DFU_STATUS_errSTALLEDPKT 0x0f |
| 63 | |
| 64 | #define RET_STALL -1 |
| 65 | #define RET_ZLP 0 |
| 66 | #define RET_STAT_LEN 6 |
| 67 | |
| 68 | enum dfu_state { |
| 69 | DFU_STATE_appIDLE = 0, |
| 70 | DFU_STATE_appDETACH = 1, |
| 71 | DFU_STATE_dfuIDLE = 2, |
| 72 | DFU_STATE_dfuDNLOAD_SYNC = 3, |
| 73 | DFU_STATE_dfuDNBUSY = 4, |
| 74 | DFU_STATE_dfuDNLOAD_IDLE = 5, |
| 75 | DFU_STATE_dfuMANIFEST_SYNC = 6, |
| 76 | DFU_STATE_dfuMANIFEST = 7, |
| 77 | DFU_STATE_dfuMANIFEST_WAIT_RST = 8, |
| 78 | DFU_STATE_dfuUPLOAD_IDLE = 9, |
| 79 | DFU_STATE_dfuERROR = 10, |
| 80 | }; |
| 81 | |
| 82 | struct dfu_status { |
| 83 | __u8 bStatus; |
| 84 | __u8 bwPollTimeout[3]; |
| 85 | __u8 bState; |
| 86 | __u8 iString; |
| 87 | } __packed; |
| 88 | |
| 89 | struct dfu_function_descriptor { |
| 90 | __u8 bLength; |
| 91 | __u8 bDescriptorType; |
| 92 | __u8 bmAttributes; |
| 93 | __le16 wDetachTimeOut; |
| 94 | __le16 wTransferSize; |
| 95 | __le16 bcdDFUVersion; |
| 96 | } __packed; |
| 97 | |
| 98 | /* configuration-specific linkup */ |
| 99 | int dfu_add(struct usb_configuration *c); |
| 100 | #endif /* __F_DFU_H_ */ |