usbd_24x0.h

F:worksip2440a board可启动u-boot-like.tar.gz F:worksip2440a board可启动u-boot-like.tar.gz

/*
 *      A     EEEE  SSSS   OOO  PPPP 
 *     A A    E     S     O   O P   P
 *    AAAAA   EEEE  SSSS  O   O PPPP
 *   A     A  E         S O   O P
 *   A     A  EEEE  SSSS   OOO  P
 *
 *  An Entertainment Solution On a Platform (AESOP) is a completely Open Source 
 *  based graphical user environment and suite of applications for PDAs and other 
 *  devices running Linux. It is included in various embedded Linux distributions 
 *  such as OpenZaurus - http://www.aesop-embedded.org 
 *
 *
 *  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.
 *
 *
 *	Title           : usbd_24x0.h
 *	Author          : 
 *	Created date    : 2005. 06. 26. 23:08:22 KST
 *	Description     : 
 *
 *	$Revision: 1.1.1.1 $
 *	$Log: usbd_24x0.h,v $
 *	Revision 1.1.1.1  2005/06/27 17:04:30  linuxpark
 *	Initial import.
 *	
 *	
 *
 */ 
#ident  "@(*) $Header: /cvsroot/aesop-embedded/u-boot-aesop/board/aesop2440/usbd_24x0.h,v 1.1.1.1 2005/06/27 17:04:30 linuxpark Exp $"


/*
 * Copyright (c) 2005
 * Junyoung Song, kernelproject.org <[e-mail]>
 *
 * 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 __USBD_24X0_H__
#define __USBD_24X0_H__

/* Function Address Register */
#define ADDR_UPDATE		0x80

/* Power Management Register */
#define DISABLE_SUSPEND         0x00
#define ENABLE_SUSPEND          0x01
#define SUSPEND_MODE		0x02a
#define MCU_RESUME		0x04
#define USB_RESET		0x08
#define ISO_UPDATE		(1<<7)

/* Index Register */
#define INDEX_EP0		0x00
#define INDEX_EP1		0x01
#define INDEX_EP2		0x02
#define INDEX_EP3		0x03
#define INDEX_EP4		0x04

/* MAXP Register */
#define FIFO_SIZE_0		0x00
#define FIFO_SIZE_8		0x01
#define FIFO_SIZE_16		0x02
#define FIFO_SIZE_32		0x04
#define FIFO_SIZE_64		0x08

/* ENDPOINT0 */
#define EP0_OUT_PKT_READY	0x01
#define EP0_IN_PKT_READY	0x02
#define EP0_SENT_STALL		0x04
#define EP0_DATA_END		0x08
#define EP0_SETUP_END		0x10
#define EP0_SEND_STALL		0x20
#define EP0_SERVICED_OUT_PKT_RDY	0x40
#define EP0_SERVICED_SETUP_END	0x80

#define EP0_WR_BITS		0xc0

/* EP_INT_REG / EP_INT_EN_REG */
#define EP0_INT			0x01
#define EP1_INT			0x02
#define EP2_INT			0x04
#define EP3_INT			0x08
#define EP4_INT			0x10

/* USB_INT_REG / USB_INT_EN_REG */
#define SUSPEND_INT		0x01
#define RESUME_INT		0x02
#define RESET_INT		0x04

/* IN_CSR1 */
#define EPI_IN_PKT_READY	0x01
#define EPI_UNDER_RUN		0x04
#define EPI_FIFO_FLUSH		0x08
#define EPI_SEND_STALL		0x10
#define EPI_SENT_STALL		0x20
#define EPI_CDT			0x40
#define EPI_WR_BITS		(EPI_FIFO_FLUSH|EPI_IN_PKT_READY|EPI_CDT)

/* IN_CSR2 */
#define EPI_IN_DMA_INT_MASK	(1<<4)
#define EPI_MODE_IN		(1<<5)
#define EPI_MODE_OUT		(0<<5)
#define EPI_ISO			(1<<6)
#define EPI_BULK		(0<<6)
#define EPI_AUTO_SET		(1<<7)

/* OUT_CSR1 */
#define EPO_OUT_PKT_READY        0x01  
#define EPO_OVER_RUN		 0x04  
#define EPO_DATA_ERROR		 0x08  
#define EPO_FIFO_FLUSH		 0x10
#define EPO_SEND_STALL           0x20  
#define EPO_SENT_STALL           0x40
#define EPO_CDT			 0x80	
#define EPO_WR_BITS              (EPO_FIFO_FLUSH|EPO_SEND_STALL|EPO_CDT)

/* OUT_CSR2 */
#define EPO_OUT_DMA_INT_MASK	(1<<5)
#define EPO_ISO		 	(1<<6)
#define EPO_BULK	 	(0<<6)
#define EPO_AUTO_CLR		(1<<7)

/* USB DMA control register */
#define UDMA_IN_RUN_OB		(1<<7)
#define UDMA_IGNORE_TTC		(1<<7)
#define UDMA_DEMAND_MODE	(1<<3)
#define UDMA_OUT_RUN_OB		(1<<2)
#define UDMA_OUT_DMA_RUN	(1<<2)
#define UDMA_IN_DMA_RUN		(1<<1)
#define UDMA_DMA_MODE_EN	(1<<0)

/* endpoint packet size */
#define EP0_PKT_SIZE	8
#define EP1_PKT_SIZE	64
#define EP2_PKT_SIZE	64

/* endpoint buffer size */
#define EP0_BUFF_SIZE	256
#define BULK_BUFF_SIZE	512

/* USBD Interrupt Flags */
#define USBD_INT_EP0		0x01
#define USBD_INT_EP1		0x02
#define USBD_INT_EP2		0x04
#define USBD_INT_RESET		0x08

typedef enum {IDLE, SETUP, TRANS} ep0_state;

typedef struct usbd_ep0_instance {
	ep0_state	state;
	unsigned char	length;
	unsigned char	buff_ptr;
	unsigned char	buff[EP0_BUFF_SIZE];
} usbd_ep0_instance;

/* Function Prototypes */
void usbd_24x0_init_gpio(void);
int usbd_24x0_check_vbus(void);
int usbd_24x0_init_usb(void);
void usbd_24x0_connect(void);
void usbd_24x0_disconnect(void);
int usbd_24x0_chk_int(void);
void usbd_24x0_ep0_handler(usbd_ep0_instance *);
void usbd_24x0_ep0_in_process(usbd_ep0_instance *);
void usbd_24x0_clr_ep0_out_pkt_rdy(void);
void usbd_24x0_clr_ep0_outpktrdy_dataend(void);
void usbd_24x0_init_usb_reset(void);
void usbd_24x0_set_address(unsigned char);
unsigned char usbd_24x0_read_fifo(unsigned char *, unsigned char);
void usbd_24x0_write_fifo(unsigned char *, unsigned char, unsigned char);
void usbd_24x0_clr_ep1_sent_stall(void);
void usbd_24x0_set_ep1_send_stall(void);
void usbd_24x0_clr_ep2_sent_stall(void);
void usbd_24x0_clr_ep2_out_pkt_ready(void);
void usbd_24x0_set_ep2_send_stall(void);
int usbd_24x0_get_cbw(unsigned char *);
int usbd_24x0_isr_ep2_chk(void);
int usbd_24x0_chk_ep2_stall(void);
int usbd_24x0_chk_ep1_busy(void);
int usbd_24x0_chk_ep1_stall(void);
void usbd_24x0_set_ep1_in_pkt_ready(void);

#endif