From 3ccbfb25f48af78e7092ac75f3115e924e76c748 Mon Sep 17 00:00:00 2001 From: Remy Bohmer Date: Sun, 5 Apr 2009 11:43:28 +0200 Subject: Support for PXA27X UDC. This Patch adds Support for PXA27X UDC. (Rebased to drivers/usb reorganisation) Signed-off-by: Vivek Kutal Signed-off-by: Remy Bohmer --- include/usb/pxa27x_udc.h | 69 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 include/usb/pxa27x_udc.h (limited to 'include/usb') diff --git a/include/usb/pxa27x_udc.h b/include/usb/pxa27x_udc.h new file mode 100644 index 0000000000..11dbb62f6f --- /dev/null +++ b/include/usb/pxa27x_udc.h @@ -0,0 +1,69 @@ +/* + * PXA27x register declarations and HCD data structures + * + * Copyright (C) 2007 Rodolfo Giometti + * Copyright (C) 2007 Eurotech S.p.A. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#ifndef __PXA270X_UDC_H__ +#define __PXA270X_UDC_H__ + +#include + +/* Endpoint 0 states */ +#define EP0_IDLE 0 +#define EP0_IN_DATA 1 +#define EP0_OUT_DATA 2 +#define EP0_XFER_COMPLETE 3 + + +/* Endpoint parameters */ +#define MAX_ENDPOINTS 4 +#define EP_MAX_PACKET_SIZE 64 + +#define EP0_MAX_PACKET_SIZE 16 +#define UDC_OUT_ENDPOINT 0x02 +#define UDC_OUT_PACKET_SIZE EP_MAX_PACKET_SIZE +#define UDC_IN_ENDPOINT 0x01 +#define UDC_IN_PACKET_SIZE EP_MAX_PACKET_SIZE +#define UDC_INT_ENDPOINT 0x05 +#define UDC_INT_PACKET_SIZE EP_MAX_PACKET_SIZE +#define UDC_BULK_PACKET_SIZE EP_MAX_PACKET_SIZE + +void udc_irq(void); +/* Flow control */ +void udc_set_nak(int epid); +void udc_unset_nak(int epid); + +/* Higher level functions for abstracting away from specific device */ +int udc_endpoint_write(struct usb_endpoint_instance *endpoint); + +int udc_init(void); + +void udc_enable(struct usb_device_instance *device); +void udc_disable(void); + +void udc_connect(void); +void udc_disconnect(void); + +void udc_startup_events(struct usb_device_instance *device); +void udc_setup_ep(struct usb_device_instance *device, + unsigned int ep, struct usb_endpoint_instance *endpoint); + +#endif -- cgit