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321790f61b
For MUSB devices that do not support multipoint (hubs), we have to emulate a root hub so that we can support core operations like resetting ports. Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*
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* Mentor USB OTG Core host controller driver.
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*
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* Copyright (c) 2008 Texas Instruments
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
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*/
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#ifndef __MUSB_HCD_H__
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#define __MUSB_HCD_H__
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#include "musb_core.h"
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#ifdef CONFIG_USB_KEYBOARD
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#include <stdio_dev.h>
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extern unsigned char new[];
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#endif
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#ifndef CONFIG_MUSB_TIMEOUT
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# define CONFIG_MUSB_TIMEOUT 100000
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#endif
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/* This defines the endpoint number used for control transfers */
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#define MUSB_CONTROL_EP 0
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/* This defines the endpoint number used for bulk transfer */
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#ifndef MUSB_BULK_EP
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# define MUSB_BULK_EP 1
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#endif
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/* This defines the endpoint number used for interrupt transfer */
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#define MUSB_INTR_EP 2
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/* Determine the operating speed of MUSB core */
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#define musb_ishighspeed() \
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((readb(&musbr->power) & MUSB_POWER_HSMODE) \
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>> MUSB_POWER_HSMODE_SHIFT)
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#define min_t(type, x, y) \
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({ type __x = (x); type __y = (y); __x < __y ? __x : __y; })
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/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
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/* destination of request */
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#define RH_INTERFACE 0x01
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#define RH_ENDPOINT 0x02
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#define RH_OTHER 0x03
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#define RH_CLASS 0x20
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#define RH_VENDOR 0x40
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/* Requests: bRequest << 8 | bmRequestType */
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#define RH_GET_STATUS 0x0080
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#define RH_CLEAR_FEATURE 0x0100
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#define RH_SET_FEATURE 0x0300
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#define RH_SET_ADDRESS 0x0500
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#define RH_GET_DESCRIPTOR 0x0680
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#define RH_SET_DESCRIPTOR 0x0700
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#define RH_GET_CONFIGURATION 0x0880
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#define RH_SET_CONFIGURATION 0x0900
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#define RH_GET_STATE 0x0280
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#define RH_GET_INTERFACE 0x0A80
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#define RH_SET_INTERFACE 0x0B00
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#define RH_SYNC_FRAME 0x0C80
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/* Our Vendor Specific Request */
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#define RH_SET_EP 0x2000
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/* Hub port features */
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#define RH_PORT_CONNECTION 0x00
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#define RH_PORT_ENABLE 0x01
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#define RH_PORT_SUSPEND 0x02
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#define RH_PORT_OVER_CURRENT 0x03
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#define RH_PORT_RESET 0x04
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#define RH_PORT_POWER 0x08
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#define RH_PORT_LOW_SPEED 0x09
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#define RH_C_PORT_CONNECTION 0x10
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#define RH_C_PORT_ENABLE 0x11
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#define RH_C_PORT_SUSPEND 0x12
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#define RH_C_PORT_OVER_CURRENT 0x13
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#define RH_C_PORT_RESET 0x14
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/* Hub features */
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#define RH_C_HUB_LOCAL_POWER 0x00
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#define RH_C_HUB_OVER_CURRENT 0x01
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#define RH_DEVICE_REMOTE_WAKEUP 0x00
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#define RH_ENDPOINT_STALL 0x01
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#define RH_ACK 0x01
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#define RH_REQ_ERR -1
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#define RH_NACK 0x00
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/* extern functions */
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extern int musb_platform_init(void);
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extern void musb_platform_deinit(void);
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#endif /* __MUSB_HCD_H__ */
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