100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
/*
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* linux/drivers/usb/gadget/jz4740_udc.h
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*
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* Ingenic JZ4740 on-chip high speed USB device controller
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*
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* Copyright (C) 2006 Ingenic Semiconductor Inc.
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* Author: <jlwei@ingenic.cn>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __USB_GADGET_JZ4740_H__
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#define __USB_GADGET_JZ4740_H__
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/*-------------------------------------------------------------------------*/
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// Max packet size
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#define EP0_MAXPACKETSIZE 64
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#define EPBULK_MAXPACKETSIZE 512
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#define EPINTR_MAXPACKETSIZE 64
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#define UDC_MAX_ENDPOINTS 4
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/*-------------------------------------------------------------------------*/
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typedef enum ep_type {
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ep_control, ep_bulk_in, ep_bulk_out, ep_interrupt
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} ep_type_t;
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struct jz4740_ep {
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struct usb_ep ep;
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struct jz4740_udc *dev;
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const struct usb_endpoint_descriptor *desc;
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unsigned long pio_irqs;
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uint8_t stopped;
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uint8_t bEndpointAddress;
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uint8_t bmAttributes;
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ep_type_t type;
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size_t fifo;
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u32 csr;
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uint32_t reg_addr;
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struct list_head queue;
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};
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struct jz4740_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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WAIT_FOR_SETUP, /* between STATUS ack and SETUP report */
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DATA_STATE_XMIT, /* data tx stage */
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DATA_STATE_NEED_ZLP, /* data tx zlp stage */
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WAIT_FOR_OUT_STATUS, /* status stages */
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DATA_STATE_RECV, /* data rx stage */
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};
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/* For function binding with UDC Disable - Added by River */
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typedef enum {
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UDC_STATE_ENABLE = 0,
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UDC_STATE_DISABLE,
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}udc_state_t;
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struct jz4740_udc {
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struct usb_gadget gadget;
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struct usb_gadget_driver *driver;
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struct device *dev;
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spinlock_t lock;
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enum ep0state ep0state;
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struct jz4740_ep ep[UDC_MAX_ENDPOINTS];
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unsigned char usb_address;
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udc_state_t state;
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struct resource *mem;
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void __iomem *base;
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int irq;
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uint32_t in_mask;
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uint32_t out_mask;
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struct clk *clk;
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};
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extern struct jz4740_udc *the_controller;
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#define ep_is_in(EP) (((EP)->bEndpointAddress&USB_DIR_IN)==USB_DIR_IN)
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#define ep_maxpacket(EP) ((EP)->ep.maxpacket)
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#define ep_index(EP) ((EP)->bEndpointAddress&0xF)
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#endif /* __USB_GADGET_JZ4740_H__ */
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