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3ccbfb25f4
This Patch adds Support for PXA27X UDC. (Rebased to drivers/usb reorganisation) Signed-off-by: Vivek Kutal <vivek.kutal@azingo.com> Signed-off-by: Remy Bohmer <linux@bohmer.net>
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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* PXA27x register declarations and HCD data structures
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*
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* Copyright (C) 2007 Rodolfo Giometti <giometti@linux.it>
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* Copyright (C) 2007 Eurotech S.p.A. <info@eurotech.it>
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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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#ifndef __PXA270X_UDC_H__
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#define __PXA270X_UDC_H__
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#include <asm/byteorder.h>
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/* Endpoint 0 states */
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#define EP0_IDLE 0
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#define EP0_IN_DATA 1
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#define EP0_OUT_DATA 2
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#define EP0_XFER_COMPLETE 3
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/* Endpoint parameters */
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#define MAX_ENDPOINTS 4
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#define EP_MAX_PACKET_SIZE 64
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#define EP0_MAX_PACKET_SIZE 16
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#define UDC_OUT_ENDPOINT 0x02
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#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define UDC_IN_ENDPOINT 0x01
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#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define UDC_INT_ENDPOINT 0x05
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#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE
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#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE
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void udc_irq(void);
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/* Flow control */
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void udc_set_nak(int epid);
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void udc_unset_nak(int epid);
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/* Higher level functions for abstracting away from specific device */
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int udc_endpoint_write(struct usb_endpoint_instance *endpoint);
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int udc_init(void);
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void udc_enable(struct usb_device_instance *device);
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void udc_disable(void);
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void udc_connect(void);
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void udc_disconnect(void);
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void udc_startup_events(struct usb_device_instance *device);
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void udc_setup_ep(struct usb_device_instance *device,
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unsigned int ep, struct usb_endpoint_instance *endpoint);
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#endif
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