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