xref: /rk3399_rockchip-uboot/drivers/usb/gadget/f_thor.h (revision 1a4f6af8bfd44c8ae6e87a81ff125eed47042cc5)
1c5279377SLukasz Majewski /*
2c5279377SLukasz Majewski  * f_thor.h - USB TIZEN THOR - internal gadget definitions
3c5279377SLukasz Majewski  *
4c5279377SLukasz Majewski  * Copyright (C) 2013 Samsung Electronics
5c5279377SLukasz Majewski  * Lukasz Majewski  <l.majewski@samsung.com>
6c5279377SLukasz Majewski  *
7c5279377SLukasz Majewski  * SPDX-License-Identifier:	GPL-2.0+
8c5279377SLukasz Majewski  */
9c5279377SLukasz Majewski 
10c5279377SLukasz Majewski #ifndef _USB_THOR_H_
11c5279377SLukasz Majewski #define _USB_THOR_H_
12c5279377SLukasz Majewski 
13c5279377SLukasz Majewski #include <linux/compiler.h>
141ace4022SAlexey Brodkin #include <linux/sizes.h>
15c5279377SLukasz Majewski 
16c5279377SLukasz Majewski /* THOR Composite Gadget */
17c5279377SLukasz Majewski #define STRING_MANUFACTURER_IDX	0
18c5279377SLukasz Majewski #define STRING_PRODUCT_IDX		1
19c5279377SLukasz Majewski #define STRING_SERIAL_IDX		2
20c5279377SLukasz Majewski 
21c5279377SLukasz Majewski /* ********************************************************** */
22c5279377SLukasz Majewski /*                   THOR protocol definitions		      */
23c5279377SLukasz Majewski /* ********************************************************** */
24c5279377SLukasz Majewski 
25c5279377SLukasz Majewski /*
26c5279377SLukasz Majewski  * Attribute Vendor descriptor - necessary to prevent ZLP transmission
27c5279377SLukasz Majewski  * from Windows XP HOST PC
28c5279377SLukasz Majewski  */
29c5279377SLukasz Majewski struct usb_cdc_attribute_vendor_descriptor {
30c5279377SLukasz Majewski 	__u8 bLength;
31c5279377SLukasz Majewski 	__u8 bDescriptorType;
32c5279377SLukasz Majewski 	__u8 bDescriptorSubType;
33c5279377SLukasz Majewski 	__u16 DAUType;
34c5279377SLukasz Majewski 	__u16 DAULength;
35c5279377SLukasz Majewski 	__u8 DAUValue;
36c5279377SLukasz Majewski } __packed;
37c5279377SLukasz Majewski 
38*667c2255SSeung-Woo Kim #define VER_PROTOCOL_MAJOR	5
39c5279377SLukasz Majewski #define VER_PROTOCOL_MINOR	0
40c5279377SLukasz Majewski 
41c5279377SLukasz Majewski enum rqt {
42c5279377SLukasz Majewski 	RQT_INFO = 200,
43c5279377SLukasz Majewski 	RQT_CMD,
44c5279377SLukasz Majewski 	RQT_DL,
45c5279377SLukasz Majewski 	RQT_UL,
46c5279377SLukasz Majewski };
47c5279377SLukasz Majewski 
48c5279377SLukasz Majewski enum rqt_data {
49c5279377SLukasz Majewski 	/* RQT_INFO */
50c5279377SLukasz Majewski 	RQT_INFO_VER_PROTOCOL = 1,
51c5279377SLukasz Majewski 	RQT_INIT_VER_HW,
52c5279377SLukasz Majewski 	RQT_INIT_VER_BOOT,
53c5279377SLukasz Majewski 	RQT_INIT_VER_KERNEL,
54c5279377SLukasz Majewski 	RQT_INIT_VER_PLATFORM,
55c5279377SLukasz Majewski 	RQT_INIT_VER_CSC,
56c5279377SLukasz Majewski 
57c5279377SLukasz Majewski 	/* RQT_CMD */
58c5279377SLukasz Majewski 	RQT_CMD_REBOOT = 1,
59c5279377SLukasz Majewski 	RQT_CMD_POWEROFF,
60c5279377SLukasz Majewski 	RQT_CMD_EFSCLEAR,
61c5279377SLukasz Majewski 
62c5279377SLukasz Majewski 	/* RQT_DL */
63c5279377SLukasz Majewski 	RQT_DL_INIT = 1,
64c5279377SLukasz Majewski 	RQT_DL_FILE_INFO,
65c5279377SLukasz Majewski 	RQT_DL_FILE_START,
66c5279377SLukasz Majewski 	RQT_DL_FILE_END,
67c5279377SLukasz Majewski 	RQT_DL_EXIT,
68c5279377SLukasz Majewski 
69c5279377SLukasz Majewski 	/* RQT_UL */
70c5279377SLukasz Majewski 	RQT_UL_INIT = 1,
71c5279377SLukasz Majewski 	RQT_UL_START,
72c5279377SLukasz Majewski 	RQT_UL_END,
73c5279377SLukasz Majewski 	RQT_UL_EXIT,
74c5279377SLukasz Majewski };
75c5279377SLukasz Majewski 
76c5279377SLukasz Majewski struct rqt_box {		/* total: 256B */
77c5279377SLukasz Majewski 	s32 rqt;		/* request id */
78c5279377SLukasz Majewski 	s32 rqt_data;		/* request data id */
79c5279377SLukasz Majewski 	s32 int_data[14];	/* int data */
80c5279377SLukasz Majewski 	char str_data[5][32];	/* string data */
81c5279377SLukasz Majewski 	char md5[32];		/* md5 checksum */
82c5279377SLukasz Majewski } __packed;
83c5279377SLukasz Majewski 
84c5279377SLukasz Majewski struct rsp_box {		/* total: 128B */
85c5279377SLukasz Majewski 	s32 rsp;		/* response id (= request id) */
86c5279377SLukasz Majewski 	s32 rsp_data;		/* response data id */
87c5279377SLukasz Majewski 	s32 ack;		/* ack */
88c5279377SLukasz Majewski 	s32 int_data[5];	/* int data */
89c5279377SLukasz Majewski 	char str_data[3][32];	/* string data */
90c5279377SLukasz Majewski } __packed;
91c5279377SLukasz Majewski 
92c5279377SLukasz Majewski struct data_rsp_box {		/* total: 8B */
93c5279377SLukasz Majewski 	s32 ack;		/* response id (= request id) */
94c5279377SLukasz Majewski 	s32 count;		/* response data id */
95c5279377SLukasz Majewski } __packed;
96c5279377SLukasz Majewski 
97c5279377SLukasz Majewski enum {
98c5279377SLukasz Majewski 	FILE_TYPE_NORMAL,
99c5279377SLukasz Majewski 	FILE_TYPE_PIT,
100c5279377SLukasz Majewski };
101c5279377SLukasz Majewski 
102c5279377SLukasz Majewski struct thor_dev {
103c5279377SLukasz Majewski 	struct usb_gadget *gadget;
104c5279377SLukasz Majewski 	struct usb_request *req; /* EP0 -> control responses */
105c5279377SLukasz Majewski 
106c5279377SLukasz Majewski 	/* IN/OUT EP's and correspoinding requests */
107c5279377SLukasz Majewski 	struct usb_ep *in_ep, *out_ep, *int_ep;
108c5279377SLukasz Majewski 	struct usb_request *in_req, *out_req;
109c5279377SLukasz Majewski 
110c5279377SLukasz Majewski 	/* Control flow variables */
111c5279377SLukasz Majewski 	unsigned char configuration_done;
112c5279377SLukasz Majewski 	unsigned char rxdata;
113c5279377SLukasz Majewski 	unsigned char txdata;
114c5279377SLukasz Majewski };
115c5279377SLukasz Majewski 
116c5279377SLukasz Majewski struct f_thor {
117c5279377SLukasz Majewski 	struct usb_function usb_function;
118c5279377SLukasz Majewski 	struct thor_dev *dev;
119c5279377SLukasz Majewski };
120c5279377SLukasz Majewski 
121c5279377SLukasz Majewski #define F_NAME_BUF_SIZE 32
122c5279377SLukasz Majewski #define THOR_PACKET_SIZE SZ_1M      /* 1 MiB */
123c5279377SLukasz Majewski #define THOR_STORE_UNIT_SIZE SZ_32M /* 32 MiB */
12441d237deSSiva Durga Prasad Paladugu #ifdef CONFIG_THOR_RESET_OFF
12541d237deSSiva Durga Prasad Paladugu #define RESET_DONE 0xFFFFFFFF
12641d237deSSiva Durga Prasad Paladugu #endif
127c5279377SLukasz Majewski #endif /* _USB_THOR_H_ */
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