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usb: musb: add virtual root hub control support
[people/ms/u-boot.git] / drivers / usb / musb / musb_hcd.h
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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
52cb4d4f 29#include <stdio_dev.h>
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30extern unsigned char new[];
31#endif
32
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33#ifndef CONFIG_MUSB_TIMEOUT
34# define CONFIG_MUSB_TIMEOUT 100000
35#endif
36
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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 */
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41#ifndef MUSB_BULK_EP
42# define MUSB_BULK_EP 1
43#endif
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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
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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
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108/* extern functions */
109extern int musb_platform_init(void);
110extern void musb_platform_deinit(void);
111
112#endif /* __MUSB_HCD_H__ */