xref: /openbmc/u-boot/drivers/usb/musb/musb_hcd.h (revision 4e3349b6)
1 /*
2  * Mentor USB OTG Core host controller driver.
3  *
4  * Copyright (c) 2008 Texas Instruments
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19  * MA 02111-1307 USA
20  *
21  * Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
22  */
23 
24 #ifndef __MUSB_HCD_H__
25 #define __MUSB_HCD_H__
26 
27 #include "musb_core.h"
28 #ifdef CONFIG_USB_KEYBOARD
29 #include <stdio_dev.h>
30 extern unsigned char new[];
31 #endif
32 
33 #ifndef CONFIG_MUSB_TIMEOUT
34 # define CONFIG_MUSB_TIMEOUT 100000
35 #endif
36 
37 /* This defines the endpoint number used for control transfers */
38 #define MUSB_CONTROL_EP 0
39 
40 /* This defines the endpoint number used for bulk transfer */
41 #ifndef MUSB_BULK_EP
42 # define MUSB_BULK_EP 1
43 #endif
44 
45 /* This defines the endpoint number used for interrupt transfer */
46 #define MUSB_INTR_EP 2
47 
48 /* Determine the operating speed of MUSB core */
49 #define musb_ishighspeed() \
50 	((readb(&musbr->power) & MUSB_POWER_HSMODE) \
51 		>> MUSB_POWER_HSMODE_SHIFT)
52 
53 #define min_t(type, x, y)	\
54 	({ type __x = (x); type __y = (y); __x < __y ? __x : __y; })
55 
56 /* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
57 
58 /* destination of request */
59 #define RH_INTERFACE		   0x01
60 #define RH_ENDPOINT		   0x02
61 #define RH_OTHER		   0x03
62 
63 #define RH_CLASS		   0x20
64 #define RH_VENDOR		   0x40
65 
66 /* Requests: bRequest << 8 | bmRequestType */
67 #define RH_GET_STATUS		0x0080
68 #define RH_CLEAR_FEATURE	0x0100
69 #define RH_SET_FEATURE		0x0300
70 #define RH_SET_ADDRESS		0x0500
71 #define RH_GET_DESCRIPTOR	0x0680
72 #define RH_SET_DESCRIPTOR	0x0700
73 #define RH_GET_CONFIGURATION	0x0880
74 #define RH_SET_CONFIGURATION	0x0900
75 #define RH_GET_STATE		0x0280
76 #define RH_GET_INTERFACE	0x0A80
77 #define RH_SET_INTERFACE	0x0B00
78 #define RH_SYNC_FRAME		0x0C80
79 /* Our Vendor Specific Request */
80 #define RH_SET_EP		0x2000
81 
82 /* Hub port features */
83 #define RH_PORT_CONNECTION	   0x00
84 #define RH_PORT_ENABLE		   0x01
85 #define RH_PORT_SUSPEND		   0x02
86 #define RH_PORT_OVER_CURRENT	   0x03
87 #define RH_PORT_RESET		   0x04
88 #define RH_PORT_POWER		   0x08
89 #define RH_PORT_LOW_SPEED	   0x09
90 
91 #define RH_C_PORT_CONNECTION	   0x10
92 #define RH_C_PORT_ENABLE	   0x11
93 #define RH_C_PORT_SUSPEND	   0x12
94 #define RH_C_PORT_OVER_CURRENT	   0x13
95 #define RH_C_PORT_RESET		   0x14
96 
97 /* Hub features */
98 #define RH_C_HUB_LOCAL_POWER	   0x00
99 #define RH_C_HUB_OVER_CURRENT	   0x01
100 
101 #define RH_DEVICE_REMOTE_WAKEUP	   0x00
102 #define RH_ENDPOINT_STALL	   0x01
103 
104 #define RH_ACK			   0x01
105 #define RH_REQ_ERR		   -1
106 #define RH_NACK			   0x00
107 
108 /* extern functions */
109 extern int musb_platform_init(void);
110 extern void musb_platform_deinit(void);
111 
112 #endif	/* __MUSB_HCD_H__ */
113