mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-04 14:39:22 +02:00
dc3d3f1c49
it's basically also provided by ingenic and nativly based on 2.6.27, adjusted to fit into the OpenWrt-environment
108 lines
2.4 KiB
C
Executable File
108 lines
2.4 KiB
C
Executable File
/*
|
|
* JZ4730 USB Device Controller driver
|
|
*
|
|
* Copyright (C) 2005 by Wei Jianli
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
|
|
#ifndef __JZ4730_UDC_H__
|
|
#define __JZ4730_UDC_H__
|
|
|
|
/* DRIVER DATA STRUCTURES and UTILITIES */
|
|
#define MAX_EP_NUM 8 /* Number of endpoints on this UDC */
|
|
|
|
#define MAX_EP0_SIZE 32
|
|
#define MAX_EP1_SIZE 64
|
|
#define MAX_EP2_SIZE 64
|
|
#define MAX_EP3_SIZE 64
|
|
#define MAX_EP4_SIZE 64
|
|
#define MAX_EP5_SIZE 64
|
|
#define MAX_EP6_SIZE 64
|
|
#define MAX_EP7_SIZE 64
|
|
|
|
// UDC FIFO
|
|
#define RXFIFO (UDC_RXFIFO) /* EP0 OUT, EP5-7 OUT */
|
|
#define TXFIFOEP0 (UDC_TXFIFOEP0) /* EP0 IN */
|
|
#define TXFIFOEP1 (TXFIFOEP0 + MAX_EP0_SIZE) /* EP1 IN */
|
|
#define TXFIFOEP2 (TXFIFOEP1 + MAX_EP1_SIZE) /* EP2 IN */
|
|
#define TXFIFOEP3 (TXFIFOEP2 + MAX_EP2_SIZE) /* EP3 IN */
|
|
#define TXFIFOEP4 (TXFIFOEP3 + MAX_EP3_SIZE) /* EP4 IN */
|
|
|
|
static u32 ep_fifo[MAX_EP_NUM] = {TXFIFOEP0, TXFIFOEP1, TXFIFOEP2,
|
|
TXFIFOEP3, TXFIFOEP4, RXFIFO, RXFIFO,
|
|
RXFIFO};
|
|
|
|
#define OUT_COUNT(stats) \
|
|
((stats&UDC_EPSR_RXPKTSIZE_MASK)>>UDC_EPSR_RXPKTSIZE_BIT)
|
|
|
|
struct jz4730_ep {
|
|
struct usb_ep ep;
|
|
struct jz4730_udc *dev;
|
|
|
|
u8 index;
|
|
u8 is_in;
|
|
u8 stopped;
|
|
u8 irq_pending;
|
|
u32 fifo;
|
|
|
|
struct list_head queue;
|
|
const struct usb_endpoint_descriptor *desc;
|
|
};
|
|
|
|
struct jz4730_request {
|
|
struct usb_request req;
|
|
struct list_head queue;
|
|
};
|
|
|
|
enum ep0state {
|
|
EP0_DISCONNECT, /* no host */
|
|
EP0_IDLE, /* between STATUS ack and SETUP report */
|
|
EP0_IN, EP0_OUT, /* data stage */
|
|
EP0_STATUS, /* status stage */
|
|
EP0_STALL, /* data or status stages */
|
|
EP0_SUSPEND, /* usb suspend */
|
|
};
|
|
|
|
struct jz4730_udc {
|
|
struct usb_gadget gadget;
|
|
struct usb_gadget_driver *driver;
|
|
spinlock_t lock;
|
|
|
|
struct jz4730_ep ep[MAX_EP_NUM];
|
|
enum ep0state ep0state;
|
|
unsigned char usb_address;
|
|
};
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
/* 2.5 stuff that's sometimes missing in 2.4 */
|
|
|
|
#ifndef container_of
|
|
#define container_of list_entry
|
|
#endif
|
|
|
|
#ifndef likely
|
|
#define likely(x) (x)
|
|
#define unlikely(x) (x)
|
|
#endif
|
|
|
|
#ifndef BUG_ON
|
|
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
|
|
#endif
|
|
|
|
#ifndef WARN_ON
|
|
#define WARN_ON(x) do { } while (0)
|
|
#endif
|
|
|
|
#ifndef IRQ_NONE
|
|
typedef void irqreturn_t;
|
|
#define IRQ_NONE
|
|
#define IRQ_HANDLED
|
|
#define IRQ_RETVAL(x)
|
|
#endif
|
|
|
|
#endif /* __JZ4730_UDC_H__ */
|