mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-12 07:44:08 +02:00
d9264e504e
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19385 3c298f89-4303-0410-b956-a3cf2f4a3e73
100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
|
|
* linux/drivers/usb/gadget/jz4740_udc.h
|
|
*
|
|
* Ingenic JZ4740 on-chip high speed USB device controller
|
|
*
|
|
* Copyright (C) 2006 Ingenic Semiconductor Inc.
|
|
* Author: <jlwei@ingenic.cn>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __USB_GADGET_JZ4740_H__
|
|
#define __USB_GADGET_JZ4740_H__
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
// Max packet size
|
|
#define EP0_MAXPACKETSIZE 64
|
|
#define EPBULK_MAXPACKETSIZE 512
|
|
#define EPINTR_MAXPACKETSIZE 64
|
|
|
|
#define UDC_MAX_ENDPOINTS 4
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
typedef enum ep_type {
|
|
ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
|
|
} ep_type_t;
|
|
|
|
struct jz4740_ep {
|
|
struct usb_ep ep;
|
|
struct jz4740_udc *dev;
|
|
|
|
const struct usb_endpoint_descriptor *desc;
|
|
unsigned long pio_irqs;
|
|
|
|
uint8_t stopped;
|
|
uint8_t bEndpointAddress;
|
|
uint8_t bmAttributes;
|
|
|
|
ep_type_t type;
|
|
size_t fifo;
|
|
u32 csr;
|
|
|
|
uint32_t reg_addr;
|
|
struct list_head queue;
|
|
};
|
|
|
|
struct jz4740_request {
|
|
struct usb_request req;
|
|
struct list_head queue;
|
|
};
|
|
|
|
enum ep0state {
|
|
WAIT_FOR_SETUP, /* between STATUS ack and SETUP report */
|
|
DATA_STATE_XMIT, /* data tx stage */
|
|
DATA_STATE_NEED_ZLP, /* data tx zlp stage */
|
|
WAIT_FOR_OUT_STATUS, /* status stages */
|
|
DATA_STATE_RECV, /* data rx stage */
|
|
};
|
|
|
|
/* For function binding with UDC Disable - Added by River */
|
|
typedef enum {
|
|
UDC_STATE_ENABLE = 0,
|
|
UDC_STATE_DISABLE,
|
|
}udc_state_t;
|
|
|
|
struct jz4740_udc {
|
|
struct usb_gadget gadget;
|
|
struct usb_gadget_driver *driver;
|
|
struct device *dev;
|
|
spinlock_t lock;
|
|
|
|
enum ep0state ep0state;
|
|
struct jz4740_ep ep[UDC_MAX_ENDPOINTS];
|
|
|
|
unsigned char usb_address;
|
|
|
|
udc_state_t state;
|
|
|
|
struct resource *mem;
|
|
void __iomem *base;
|
|
int irq;
|
|
uint32_t in_mask;
|
|
uint32_t out_mask;
|
|
|
|
struct clk *clk;
|
|
};
|
|
|
|
extern struct jz4740_udc *the_controller;
|
|
|
|
#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN)==USB_DIR_IN)
|
|
#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
|
|
#define ep_index(EP) ((EP)->bEndpointAddress&0xF)
|
|
|
|
#endif /* __USB_GADGET_JZ4740_H__ */
|