1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LBS_IF_USB_H 3 #define _LBS_IF_USB_H 4 5 #include <linux/wait.h> 6 #include <linux/timer.h> 7 8 struct lbs_private; 9 10 /* 11 * This file contains definition for USB interface. 12 */ 13 #define CMD_TYPE_REQUEST 0xF00DFACE 14 #define CMD_TYPE_DATA 0xBEADC0DE 15 #define CMD_TYPE_INDICATION 0xBEEFFACE 16 17 #define IPFIELD_ALIGN_OFFSET 2 18 19 #define BOOT_CMD_FW_BY_USB 0x01 20 #define BOOT_CMD_FW_IN_EEPROM 0x02 21 #define BOOT_CMD_UPDATE_BOOT2 0x03 22 #define BOOT_CMD_UPDATE_FW 0x04 23 #define BOOT_CMD_MAGIC_NUMBER 0x4C56524D /* LVRM */ 24 25 struct bootcmd 26 { 27 __le32 magic; 28 uint8_t cmd; 29 uint8_t pad[11]; 30 }; 31 32 #define BOOT_CMD_RESP_OK 0x0001 33 #define BOOT_CMD_RESP_FAIL 0x0000 34 #define BOOT_CMD_RESP_NOT_SUPPORTED 0x0002 35 36 struct bootcmdresp 37 { 38 __le32 magic; 39 uint8_t cmd; 40 uint8_t result; 41 uint8_t pad[2]; 42 }; 43 44 /* USB card description structure*/ 45 struct if_usb_card { 46 struct usb_device *udev; 47 uint32_t model; /* MODEL_* */ 48 struct urb *rx_urb, *tx_urb; 49 struct lbs_private *priv; 50 51 struct sk_buff *rx_skb; 52 53 uint8_t ep_in; 54 uint8_t ep_out; 55 56 /* bootcmdresp == 0 means command is pending 57 * bootcmdresp < 0 means error 58 * bootcmdresp > 0 is a BOOT_CMD_RESP_* from firmware 59 */ 60 int8_t bootcmdresp; 61 62 int ep_in_size; 63 64 void *ep_out_buf; 65 int ep_out_size; 66 67 const struct firmware *fw; 68 struct timer_list fw_timeout; 69 wait_queue_head_t fw_wq; 70 uint32_t fwseqnum; 71 uint32_t totalbytes; 72 uint32_t fwlastblksent; 73 uint8_t CRC_OK; 74 uint8_t fwdnldover; 75 uint8_t fwfinalblk; 76 uint8_t surprise_removed; 77 78 __le16 boot2_version; 79 }; 80 81 /* fwheader */ 82 struct fwheader { 83 __le32 dnldcmd; 84 __le32 baseaddr; 85 __le32 datalength; 86 __le32 CRC; 87 }; 88 89 #define FW_MAX_DATA_BLK_SIZE 600 90 /* FWData */ 91 struct fwdata { 92 struct fwheader hdr; 93 __le32 seqnum; 94 uint8_t data[]; 95 }; 96 97 /* fwsyncheader */ 98 struct fwsyncheader { 99 __le32 cmd; 100 __le32 seqnum; 101 }; 102 103 #define FW_HAS_DATA_TO_RECV 0x00000001 104 #define FW_HAS_LAST_BLOCK 0x00000004 105 106 107 #endif 108