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/*
* (C) Copyright 2009 Texas Instruments Incorporated.
*
* Based on
* u-boot OMAP1510 USB drivers (include/usbdcore_omap1510.h)
*
* Author: Diego Dompe (diego.dompe@ridgerun.com)
*
* 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 __MUSB_UDC_H__
#define __MUSB_UDC_H__
/* USB Function Module Registers */
/*
* UDC_BASE is defined for the specific silicon under soc
* specific cpu.h or related header.
*/
#define UDC_OFFSET(offset) (UDC_BASE+(offset))
#define UDC_INTSRCR UDC_OFFSET(0x0A) /* USB Interrupt src reg */
#define UDC_INTCLRR UDC_OFFSET(0x0A) /* USB Interrupt src clr reg */
#define UDC_FADDR UDC_OFFSET(0x00)
#define UDC_POWER UDC_OFFSET(0x01)
#define UDC_INTRTX UDC_OFFSET(0x02)
#define UDC_INTRRX UDC_OFFSET(0x04)
#define UDC_INTRTXE UDC_OFFSET(0x06) /* Enable reg for INTRTX */
#define UDC_INTRRXE UDC_OFFSET(0x08) /* Enable reg for INTRRX */
#define UDC_INTRUSB UDC_OFFSET(0x0A)
#define UDC_INTRUSBE UDC_OFFSET(0x0B)
#define UDC_INDEX UDC_OFFSET(0x0E)
#define UDC_TESTMODE UDC_OFFSET(0x0F)
#define UDC_TXMAXP UDC_OFFSET(0x10)
#define UDC_CSR0 UDC_OFFSET(0x12)
#define UDC_TXCSR UDC_OFFSET(0x12)
#define UDC_RXMAXP UDC_OFFSET(0x14)
#define UDC_RXCSR UDC_OFFSET(0x16)
#define UDC_COUNT0 UDC_OFFSET(0x18)
#define UDC_RXCOUNT UDC_OFFSET(0x18)
#define UDC_FIFO0 UDC_OFFSET(0x20)
#define UDC_FIFO1 UDC_OFFSET(0x24)
#define UDC_FIFO2 UDC_OFFSET(0x28)
#define UDC_FIFO3 UDC_OFFSET(0x2C)
#define UDC_FIFO4 UDC_OFFSET(0x30)
#define UDC_FIFO5 UDC_OFFSET(0x34)
#define UDC_FIFO6 UDC_OFFSET(0x38)
#define UDC_FIFO7 UDC_OFFSET(0x3C)
#define UDC_FIFO8 UDC_OFFSET(0x40)
#define UDC_FIFO9 UDC_OFFSET(0x44)
#define UDC_FIFO10 UDC_OFFSET(0x48)
#define UDC_FIFO11 UDC_OFFSET(0x4C)
#define UDC_FIFO12 UDC_OFFSET(0x50)
#define UDC_FIFO13 UDC_OFFSET(0x54)
#define UDC_FIFO14 UDC_OFFSET(0x58)
#define UDC_FIFO15 UDC_OFFSET(0x5C)
#define UDC_DEVCTL UDC_OFFSET(0x60)
#define UDC_TXFIFOSZ UDC_OFFSET(0x62)
#define UDC_RXFIFOSZ UDC_OFFSET(0x63)
#define UDC_TXFIFOADDR UDC_OFFSET(0x64)
#define UDC_RXFIFOADDR UDC_OFFSET(0x66)
#define UDC_SYSCONFIG UDC_OFFSET(0x404)
#define UDC_INTERFSEL UDC_OFFSET(0x40C)
#define UDC_FORCESTDBY UDC_OFFSET(0x414)
/* MUSB Endpoint parameters */
#define EP0_MAX_PACKET_SIZE 64
#define UDC_OUT_ENDPOINT 2 /* Device RX endpoint */
#define UDC_OUT_PACKET_SIZE 512
#define UDC_IN_ENDPOINT 3 /* Device TX endpoint */
#define UDC_IN_PACKET_SIZE 512
#define UDC_INT_ENDPOINT 1 /* Device Interrupt/Status endpoint */
#define UDC_INT_PACKET_SIZE 16
#define UDC_BULK_PACKET_SIZE 512
#define UDC_MAX_FIFO_SIZE 16384
#define DEV_CONFIG_VALUE 1 /* Only one i.e. CDC */
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);
/* platform specific initialization */
int udc_musb_platform_init(void);
#endif /* __MUSB_UDC_H__ */
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