drivers/usb/gadget/mv_udc.h - linux - Git at Google

 /*
  * Copyright (C) 2011 Marvell International Ltd. All rights reserved.
  *
  * 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 __MV_UDC_H
 #define __MV_UDC_H

 #define VUSBHS_MAX_PORTS	8

 #define DQH_ALIGNMENT		2048
 #define DTD_ALIGNMENT		64
 #define DMA_BOUNDARY		4096

 #define EP_DIR_IN	1
 #define EP_DIR_OUT	0

 #define DMA_ADDR_INVALID	(~(dma_addr_t)0)

 #define EP0_MAX_PKT_SIZE	64
 /* ep0 transfer state */
 #define WAIT_FOR_SETUP		0
 #define DATA_STATE_XMIT		1
 #define DATA_STATE_NEED_ZLP	2
 #define WAIT_FOR_OUT_STATUS	3
 #define DATA_STATE_RECV		4

 #define CAPLENGTH_MASK		(0xff)
 #define DCCPARAMS_DEN_MASK	(0x1f)

 #define HCSPARAMS_PPC		(0x10)

 /* Frame Index Register Bit Masks */
 #define USB_FRINDEX_MASKS	0x3fff

 /* Command Register Bit Masks */
 #define USBCMD_RUN_STOP				(0x00000001)
 #define USBCMD_CTRL_RESET			(0x00000002)
 #define USBCMD_SETUP_TRIPWIRE_SET		(0x00002000)
 #define USBCMD_SETUP_TRIPWIRE_CLEAR		(~USBCMD_SETUP_TRIPWIRE_SET)

 #define USBCMD_ATDTW_TRIPWIRE_SET		(0x00004000)
 #define USBCMD_ATDTW_TRIPWIRE_CLEAR		(~USBCMD_ATDTW_TRIPWIRE_SET)

 /* bit 15,3,2 are for frame list size */
 #define USBCMD_FRAME_SIZE_1024			(0x00000000) /* 000 */
 #define USBCMD_FRAME_SIZE_512			(0x00000004) /* 001 */
 #define USBCMD_FRAME_SIZE_256			(0x00000008) /* 010 */
 #define USBCMD_FRAME_SIZE_128			(0x0000000C) /* 011 */
 #define USBCMD_FRAME_SIZE_64			(0x00008000) /* 100 */
 #define USBCMD_FRAME_SIZE_32			(0x00008004) /* 101 */
 #define USBCMD_FRAME_SIZE_16			(0x00008008) /* 110 */
 #define USBCMD_FRAME_SIZE_8			(0x0000800C) /* 111 */

 #define EPCTRL_TX_ALL_MASK			(0xFFFF0000)
 #define EPCTRL_RX_ALL_MASK			(0x0000FFFF)

 #define EPCTRL_TX_DATA_TOGGLE_RST		(0x00400000)
 #define EPCTRL_TX_EP_STALL			(0x00010000)
 #define EPCTRL_RX_EP_STALL			(0x00000001)
 #define EPCTRL_RX_DATA_TOGGLE_RST		(0x00000040)
 #define EPCTRL_RX_ENABLE			(0x00000080)
 #define EPCTRL_TX_ENABLE			(0x00800000)
 #define EPCTRL_CONTROL				(0x00000000)
 #define EPCTRL_ISOCHRONOUS			(0x00040000)
 #define EPCTRL_BULK				(0x00080000)
 #define EPCTRL_INT				(0x000C0000)
 #define EPCTRL_TX_TYPE				(0x000C0000)
 #define EPCTRL_RX_TYPE				(0x0000000C)
 #define EPCTRL_DATA_TOGGLE_INHIBIT		(0x00000020)
 #define EPCTRL_TX_EP_TYPE_SHIFT			(18)
 #define EPCTRL_RX_EP_TYPE_SHIFT			(2)

 #define EPCOMPLETE_MAX_ENDPOINTS		(16)

 /* endpoint list address bit masks */
 #define USB_EP_LIST_ADDRESS_MASK              0xfffff800

 #define PORTSCX_W1C_BITS			0x2a
 #define PORTSCX_PORT_RESET			0x00000100
 #define PORTSCX_PORT_POWER			0x00001000
 #define PORTSCX_FORCE_FULL_SPEED_CONNECT	0x01000000
 #define PORTSCX_PAR_XCVR_SELECT			0xC0000000
 #define PORTSCX_PORT_FORCE_RESUME		0x00000040
 #define PORTSCX_PORT_SUSPEND			0x00000080
 #define PORTSCX_PORT_SPEED_FULL			0x00000000
 #define PORTSCX_PORT_SPEED_LOW			0x04000000
 #define PORTSCX_PORT_SPEED_HIGH			0x08000000
 #define PORTSCX_PORT_SPEED_MASK			0x0C000000

 /* USB MODE Register Bit Masks */
 #define USBMODE_CTRL_MODE_IDLE			0x00000000
 #define USBMODE_CTRL_MODE_DEVICE		0x00000002
 #define USBMODE_CTRL_MODE_HOST			0x00000003
 #define USBMODE_CTRL_MODE_RSV			0x00000001
 #define USBMODE_SETUP_LOCK_OFF			0x00000008
 #define USBMODE_STREAM_DISABLE			0x00000010

 /* USB STS Register Bit Masks */
 #define USBSTS_INT			0x00000001
 #define USBSTS_ERR			0x00000002
 #define USBSTS_PORT_CHANGE		0x00000004
 #define USBSTS_FRM_LST_ROLL		0x00000008
 #define USBSTS_SYS_ERR			0x00000010
 #define USBSTS_IAA			0x00000020
 #define USBSTS_RESET			0x00000040
 #define USBSTS_SOF			0x00000080
 #define USBSTS_SUSPEND			0x00000100
 #define USBSTS_HC_HALTED		0x00001000
 #define USBSTS_RCL			0x00002000
 #define USBSTS_PERIODIC_SCHEDULE	0x00004000
 #define USBSTS_ASYNC_SCHEDULE		0x00008000


 /* Interrupt Enable Register Bit Masks */
 #define USBINTR_INT_EN                          (0x00000001)
 #define USBINTR_ERR_INT_EN                      (0x00000002)
 #define USBINTR_PORT_CHANGE_DETECT_EN           (0x00000004)

 #define USBINTR_ASYNC_ADV_AAE                   (0x00000020)
 #define USBINTR_ASYNC_ADV_AAE_ENABLE            (0x00000020)
 #define USBINTR_ASYNC_ADV_AAE_DISABLE           (0xFFFFFFDF)

 #define USBINTR_RESET_EN                        (0x00000040)
 #define USBINTR_SOF_UFRAME_EN                   (0x00000080)
 #define USBINTR_DEVICE_SUSPEND                  (0x00000100)

 #define USB_DEVICE_ADDRESS_MASK			(0xfe000000)
 #define USB_DEVICE_ADDRESS_BIT_SHIFT		(25)

 struct mv_cap_regs {
 	u32	caplength_hciversion;
 	u32	hcsparams;	/* HC structural parameters */
 	u32	hccparams;	/* HC Capability Parameters*/
 	u32	reserved[5];
 	u32	dciversion;	/* DC version number and reserved 16 bits */
 	u32	dccparams;	/* DC Capability Parameters */
 };

 struct mv_op_regs {
 	u32	usbcmd;		/* Command register */
 	u32	usbsts;		/* Status register */
 	u32	usbintr;	/* Interrupt enable */
 	u32	frindex;	/* Frame index */
 	u32	reserved1[1];
 	u32	deviceaddr;	/* Device Address */
 	u32	eplistaddr;	/* Endpoint List Address */
 	u32	ttctrl;		/* HOST TT status and control */
 	u32	burstsize;	/* Programmable Burst Size */
 	u32	txfilltuning;	/* Host Transmit Pre-Buffer Packet Tuning */
 	u32	reserved[4];
 	u32	epnak;		/* Endpoint NAK */
 	u32	epnaken;	/* Endpoint NAK Enable */
 	u32	configflag;	/* Configured Flag register */
 	u32	portsc[VUSBHS_MAX_PORTS]; /* Port Status/Control x, x = 1..8 */
 	u32	otgsc;
 	u32	usbmode;	/* USB Host/Device mode */
 	u32	epsetupstat;	/* Endpoint Setup Status */
 	u32	epprime;	/* Endpoint Initialize */
 	u32	epflush;	/* Endpoint De-initialize */
 	u32	epstatus;	/* Endpoint Status */
 	u32	epcomplete;	/* Endpoint Interrupt On Complete */
 	u32	epctrlx[16];	/* Endpoint Control, where x = 0.. 15 */
 	u32	mcr;		/* Mux Control */
 	u32	isr;		/* Interrupt Status */
 	u32	ier;		/* Interrupt Enable */
 };

 struct mv_udc {
 	struct usb_gadget		gadget;
 	struct usb_gadget_driver	*driver;
 	spinlock_t			lock;
 	struct completion		*done;
 	struct platform_device		*dev;
 	int				irq;

 	struct mv_cap_regs __iomem	*cap_regs;
 	struct mv_op_regs __iomem	*op_regs;
 	void __iomem                    *phy_regs;
 	unsigned int			max_eps;
 	struct mv_dqh			*ep_dqh;
 	size_t				ep_dqh_size;
 	dma_addr_t			ep_dqh_dma;

 	struct dma_pool			*dtd_pool;
 	struct mv_ep			*eps;

 	struct mv_dtd			*dtd_head;
 	struct mv_dtd			*dtd_tail;
 	unsigned int			dtd_entries;

 	struct mv_req			*status_req;
 	struct usb_ctrlrequest		local_setup_buff;

 	unsigned int		resume_state;	/* USB state to resume */
 	unsigned int		usb_state;	/* USB current state */
 	unsigned int		ep0_state;	/* Endpoint zero state */
 	unsigned int		ep0_dir;

 	unsigned int		dev_addr;
 	unsigned int		test_mode;

 	int			errors;
 	unsigned		softconnect:1,
 				vbus_active:1,
 				remote_wakeup:1,
 				softconnected:1,
 				force_fs:1,
 				clock_gating:1,
 				active:1,
 				stopped:1;      /* stop bit is setted */

 	struct work_struct	vbus_work;
 	struct workqueue_struct *qwork;

 	struct usb_phy		*transceiver;

 	struct mv_usb_platform_data     *pdata;

 	/* some SOC has mutiple clock sources for USB*/
 	struct clk      *clk;
 };

 /* endpoint data structure */
 struct mv_ep {
 	struct usb_ep		ep;
 	struct mv_udc		*udc;
 	struct list_head	queue;
 	struct mv_dqh		*dqh;
 	u32			direction;
 	char			name[14];
 	unsigned		stopped:1,
 				wedge:1,
 				ep_type:2,
 				ep_num:8;
 };

 /* request data structure */
 struct mv_req {
 	struct usb_request	req;
 	struct mv_dtd		*dtd, *head, *tail;
 	struct mv_ep		*ep;
 	struct list_head	queue;
 	unsigned int            test_mode;
 	unsigned		dtd_count;
 	unsigned		mapped:1;
 };

 #define EP_QUEUE_HEAD_MULT_POS			30
 #define EP_QUEUE_HEAD_ZLT_SEL			0x20000000
 #define EP_QUEUE_HEAD_MAX_PKT_LEN_POS		16
 #define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info)	(((ep_info)>>16)&0x07ff)
 #define EP_QUEUE_HEAD_IOS			0x00008000
 #define EP_QUEUE_HEAD_NEXT_TERMINATE		0x00000001
 #define EP_QUEUE_HEAD_IOC			0x00008000
 #define EP_QUEUE_HEAD_MULTO			0x00000C00
 #define EP_QUEUE_HEAD_STATUS_HALT		0x00000040
 #define EP_QUEUE_HEAD_STATUS_ACTIVE		0x00000080
 #define EP_QUEUE_CURRENT_OFFSET_MASK		0x00000FFF
 #define EP_QUEUE_HEAD_NEXT_POINTER_MASK		0xFFFFFFE0
 #define EP_QUEUE_FRINDEX_MASK			0x000007FF
 #define EP_MAX_LENGTH_TRANSFER			0x4000

 struct mv_dqh {
 	/* Bits 16..26 Bit 15 is Interrupt On Setup */
 	u32	max_packet_length;
 	u32	curr_dtd_ptr;		/* Current dTD Pointer */
 	u32	next_dtd_ptr;		/* Next dTD Pointer */
 	/* Total bytes (16..30), IOC (15), INT (8), STS (0-7) */
 	u32	size_ioc_int_sts;
 	u32	buff_ptr0;		/* Buffer pointer Page 0 (12-31) */
 	u32	buff_ptr1;		/* Buffer pointer Page 1 (12-31) */
 	u32	buff_ptr2;		/* Buffer pointer Page 2 (12-31) */
 	u32	buff_ptr3;		/* Buffer pointer Page 3 (12-31) */
 	u32	buff_ptr4;		/* Buffer pointer Page 4 (12-31) */
 	u32	reserved1;
 	/* 8 bytes of setup data that follows the Setup PID */
 	u8	setup_buffer[8];
 	u32	reserved2[4];
 };


 #define DTD_NEXT_TERMINATE		(0x00000001)
 #define DTD_IOC				(0x00008000)
 #define DTD_STATUS_ACTIVE		(0x00000080)
 #define DTD_STATUS_HALTED		(0x00000040)
 #define DTD_STATUS_DATA_BUFF_ERR	(0x00000020)
 #define DTD_STATUS_TRANSACTION_ERR	(0x00000008)
 #define DTD_RESERVED_FIELDS		(0x00007F00)
 #define DTD_ERROR_MASK			(0x68)
 #define DTD_ADDR_MASK			(0xFFFFFFE0)
 #define DTD_PACKET_SIZE			0x7FFF0000
 #define DTD_LENGTH_BIT_POS		(16)

 struct mv_dtd {
 	u32	dtd_next;
 	u32	size_ioc_sts;
 	u32	buff_ptr0;		/* Buffer pointer Page 0 */
 	u32	buff_ptr1;		/* Buffer pointer Page 1 */
 	u32	buff_ptr2;		/* Buffer pointer Page 2 */
 	u32	buff_ptr3;		/* Buffer pointer Page 3 */
 	u32	buff_ptr4;		/* Buffer pointer Page 4 */
 	u32	scratch_ptr;
 	/* 32 bytes */
 	dma_addr_t td_dma;		/* dma address for this td */
 	struct mv_dtd *next_dtd_virt;
 };

 #endif
	/*
	* Copyright (C) 2011 Marvell International Ltd. All rights reserved.
	*
	* 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 __MV_UDC_H
	#define __MV_UDC_H

	#define VUSBHS_MAX_PORTS 8

	#define DQH_ALIGNMENT 2048
	#define DTD_ALIGNMENT 64
	#define DMA_BOUNDARY 4096

	#define EP_DIR_IN 1
	#define EP_DIR_OUT 0

	#define DMA_ADDR_INVALID (~(dma_addr_t)0)

	#define EP0_MAX_PKT_SIZE 64
	/* ep0 transfer state */
	#define WAIT_FOR_SETUP 0
	#define DATA_STATE_XMIT 1
	#define DATA_STATE_NEED_ZLP 2
	#define WAIT_FOR_OUT_STATUS 3
	#define DATA_STATE_RECV 4

	#define CAPLENGTH_MASK (0xff)
	#define DCCPARAMS_DEN_MASK (0x1f)

	#define HCSPARAMS_PPC (0x10)

	/* Frame Index Register Bit Masks */
	#define USB_FRINDEX_MASKS 0x3fff

	/* Command Register Bit Masks */
	#define USBCMD_RUN_STOP (0x00000001)
	#define USBCMD_CTRL_RESET (0x00000002)
	#define USBCMD_SETUP_TRIPWIRE_SET (0x00002000)
	#define USBCMD_SETUP_TRIPWIRE_CLEAR (~USBCMD_SETUP_TRIPWIRE_SET)

	#define USBCMD_ATDTW_TRIPWIRE_SET (0x00004000)
	#define USBCMD_ATDTW_TRIPWIRE_CLEAR (~USBCMD_ATDTW_TRIPWIRE_SET)

	/* bit 15,3,2 are for frame list size */
	#define USBCMD_FRAME_SIZE_1024 (0x00000000) /* 000 */
	#define USBCMD_FRAME_SIZE_512 (0x00000004) /* 001 */
	#define USBCMD_FRAME_SIZE_256 (0x00000008) /* 010 */
	#define USBCMD_FRAME_SIZE_128 (0x0000000C) /* 011 */
	#define USBCMD_FRAME_SIZE_64 (0x00008000) /* 100 */
	#define USBCMD_FRAME_SIZE_32 (0x00008004) /* 101 */
	#define USBCMD_FRAME_SIZE_16 (0x00008008) /* 110 */
	#define USBCMD_FRAME_SIZE_8 (0x0000800C) /* 111 */

	#define EPCTRL_TX_ALL_MASK (0xFFFF0000)
	#define EPCTRL_RX_ALL_MASK (0x0000FFFF)

	#define EPCTRL_TX_DATA_TOGGLE_RST (0x00400000)
	#define EPCTRL_TX_EP_STALL (0x00010000)
	#define EPCTRL_RX_EP_STALL (0x00000001)
	#define EPCTRL_RX_DATA_TOGGLE_RST (0x00000040)
	#define EPCTRL_RX_ENABLE (0x00000080)
	#define EPCTRL_TX_ENABLE (0x00800000)
	#define EPCTRL_CONTROL (0x00000000)
	#define EPCTRL_ISOCHRONOUS (0x00040000)
	#define EPCTRL_BULK (0x00080000)
	#define EPCTRL_INT (0x000C0000)
	#define EPCTRL_TX_TYPE (0x000C0000)
	#define EPCTRL_RX_TYPE (0x0000000C)
	#define EPCTRL_DATA_TOGGLE_INHIBIT (0x00000020)
	#define EPCTRL_TX_EP_TYPE_SHIFT (18)
	#define EPCTRL_RX_EP_TYPE_SHIFT (2)

	#define EPCOMPLETE_MAX_ENDPOINTS (16)

	/* endpoint list address bit masks */
	#define USB_EP_LIST_ADDRESS_MASK 0xfffff800

	#define PORTSCX_W1C_BITS 0x2a
	#define PORTSCX_PORT_RESET 0x00000100
	#define PORTSCX_PORT_POWER 0x00001000
	#define PORTSCX_FORCE_FULL_SPEED_CONNECT 0x01000000
	#define PORTSCX_PAR_XCVR_SELECT 0xC0000000
	#define PORTSCX_PORT_FORCE_RESUME 0x00000040
	#define PORTSCX_PORT_SUSPEND 0x00000080
	#define PORTSCX_PORT_SPEED_FULL 0x00000000
	#define PORTSCX_PORT_SPEED_LOW 0x04000000
	#define PORTSCX_PORT_SPEED_HIGH 0x08000000
	#define PORTSCX_PORT_SPEED_MASK 0x0C000000

	/* USB MODE Register Bit Masks */
	#define USBMODE_CTRL_MODE_IDLE 0x00000000
	#define USBMODE_CTRL_MODE_DEVICE 0x00000002
	#define USBMODE_CTRL_MODE_HOST 0x00000003
	#define USBMODE_CTRL_MODE_RSV 0x00000001
	#define USBMODE_SETUP_LOCK_OFF 0x00000008
	#define USBMODE_STREAM_DISABLE 0x00000010

	/* USB STS Register Bit Masks */
	#define USBSTS_INT 0x00000001
	#define USBSTS_ERR 0x00000002
	#define USBSTS_PORT_CHANGE 0x00000004
	#define USBSTS_FRM_LST_ROLL 0x00000008
	#define USBSTS_SYS_ERR 0x00000010
	#define USBSTS_IAA 0x00000020
	#define USBSTS_RESET 0x00000040
	#define USBSTS_SOF 0x00000080
	#define USBSTS_SUSPEND 0x00000100
	#define USBSTS_HC_HALTED 0x00001000
	#define USBSTS_RCL 0x00002000
	#define USBSTS_PERIODIC_SCHEDULE 0x00004000
	#define USBSTS_ASYNC_SCHEDULE 0x00008000


	/* Interrupt Enable Register Bit Masks */
	#define USBINTR_INT_EN (0x00000001)
	#define USBINTR_ERR_INT_EN (0x00000002)
	#define USBINTR_PORT_CHANGE_DETECT_EN (0x00000004)

	#define USBINTR_ASYNC_ADV_AAE (0x00000020)
	#define USBINTR_ASYNC_ADV_AAE_ENABLE (0x00000020)
	#define USBINTR_ASYNC_ADV_AAE_DISABLE (0xFFFFFFDF)

	#define USBINTR_RESET_EN (0x00000040)
	#define USBINTR_SOF_UFRAME_EN (0x00000080)
	#define USBINTR_DEVICE_SUSPEND (0x00000100)

	#define USB_DEVICE_ADDRESS_MASK (0xfe000000)
	#define USB_DEVICE_ADDRESS_BIT_SHIFT (25)

	struct mv_cap_regs {
	u32 caplength_hciversion;
	u32 hcsparams; /* HC structural parameters */
	u32 hccparams; /* HC Capability Parameters*/
	u32 reserved[5];
	u32 dciversion; /* DC version number and reserved 16 bits */
	u32 dccparams; /* DC Capability Parameters */
	};

	struct mv_op_regs {
	u32 usbcmd; /* Command register */
	u32 usbsts; /* Status register */
	u32 usbintr; /* Interrupt enable */
	u32 frindex; /* Frame index */
	u32 reserved1[1];
	u32 deviceaddr; /* Device Address */
	u32 eplistaddr; /* Endpoint List Address */
	u32 ttctrl; /* HOST TT status and control */
	u32 burstsize; /* Programmable Burst Size */
	u32 txfilltuning; /* Host Transmit Pre-Buffer Packet Tuning */
	u32 reserved[4];
	u32 epnak; /* Endpoint NAK */
	u32 epnaken; /* Endpoint NAK Enable */
	u32 configflag; /* Configured Flag register */
	u32 portsc[VUSBHS_MAX_PORTS]; /* Port Status/Control x, x = 1..8 */
	u32 otgsc;
	u32 usbmode; /* USB Host/Device mode */
	u32 epsetupstat; /* Endpoint Setup Status */
	u32 epprime; /* Endpoint Initialize */
	u32 epflush; /* Endpoint De-initialize */
	u32 epstatus; /* Endpoint Status */
	u32 epcomplete; /* Endpoint Interrupt On Complete */
	u32 epctrlx[16]; /* Endpoint Control, where x = 0.. 15 */
	u32 mcr; /* Mux Control */
	u32 isr; /* Interrupt Status */
	u32 ier; /* Interrupt Enable */
	};

	struct mv_udc {
	struct usb_gadget gadget;
	struct usb_gadget_driver *driver;
	spinlock_t lock;
	struct completion *done;
	struct platform_device *dev;
	int irq;

	struct mv_cap_regs __iomem *cap_regs;
	struct mv_op_regs __iomem *op_regs;
	void __iomem *phy_regs;
	unsigned int max_eps;
	struct mv_dqh *ep_dqh;
	size_t ep_dqh_size;
	dma_addr_t ep_dqh_dma;

	struct dma_pool *dtd_pool;
	struct mv_ep *eps;

	struct mv_dtd *dtd_head;
	struct mv_dtd *dtd_tail;
	unsigned int dtd_entries;

	struct mv_req *status_req;
	struct usb_ctrlrequest local_setup_buff;

	unsigned int resume_state; /* USB state to resume */
	unsigned int usb_state; /* USB current state */
	unsigned int ep0_state; /* Endpoint zero state */
	unsigned int ep0_dir;

	unsigned int dev_addr;
	unsigned int test_mode;

	int errors;
	unsigned softconnect:1,
	vbus_active:1,
	remote_wakeup:1,
	softconnected:1,
	force_fs:1,
	clock_gating:1,
	active:1,
	stopped:1; /* stop bit is setted */

	struct work_struct vbus_work;
	struct workqueue_struct *qwork;

	struct usb_phy *transceiver;

	struct mv_usb_platform_data *pdata;

	/* some SOC has mutiple clock sources for USB*/
	struct clk *clk;
	};

	/* endpoint data structure */
	struct mv_ep {
	struct usb_ep ep;
	struct mv_udc *udc;
	struct list_head queue;
	struct mv_dqh *dqh;
	u32 direction;
	char name[14];
	unsigned stopped:1,
	wedge:1,
	ep_type:2,
	ep_num:8;
	};

	/* request data structure */
	struct mv_req {
	struct usb_request req;
	struct mv_dtd dtd, head, *tail;
	struct mv_ep *ep;
	struct list_head queue;
	unsigned int test_mode;
	unsigned dtd_count;
	unsigned mapped:1;
	};

	#define EP_QUEUE_HEAD_MULT_POS 30
	#define EP_QUEUE_HEAD_ZLT_SEL 0x20000000
	#define EP_QUEUE_HEAD_MAX_PKT_LEN_POS 16
	#define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info) (((ep_info)>>16)&0x07ff)
	#define EP_QUEUE_HEAD_IOS 0x00008000
	#define EP_QUEUE_HEAD_NEXT_TERMINATE 0x00000001
	#define EP_QUEUE_HEAD_IOC 0x00008000
	#define EP_QUEUE_HEAD_MULTO 0x00000C00
	#define EP_QUEUE_HEAD_STATUS_HALT 0x00000040
	#define EP_QUEUE_HEAD_STATUS_ACTIVE 0x00000080
	#define EP_QUEUE_CURRENT_OFFSET_MASK 0x00000FFF
	#define EP_QUEUE_HEAD_NEXT_POINTER_MASK 0xFFFFFFE0
	#define EP_QUEUE_FRINDEX_MASK 0x000007FF
	#define EP_MAX_LENGTH_TRANSFER 0x4000

	struct mv_dqh {
	/* Bits 16..26 Bit 15 is Interrupt On Setup */
	u32 max_packet_length;
	u32 curr_dtd_ptr; /* Current dTD Pointer */
	u32 next_dtd_ptr; /* Next dTD Pointer */
	/* Total bytes (16..30), IOC (15), INT (8), STS (0-7) */
	u32 size_ioc_int_sts;
	u32 buff_ptr0; /* Buffer pointer Page 0 (12-31) */
	u32 buff_ptr1; /* Buffer pointer Page 1 (12-31) */
	u32 buff_ptr2; /* Buffer pointer Page 2 (12-31) */
	u32 buff_ptr3; /* Buffer pointer Page 3 (12-31) */
	u32 buff_ptr4; /* Buffer pointer Page 4 (12-31) */
	u32 reserved1;
	/* 8 bytes of setup data that follows the Setup PID */
	u8 setup_buffer[8];
	u32 reserved2[4];
	};


	#define DTD_NEXT_TERMINATE (0x00000001)
	#define DTD_IOC (0x00008000)
	#define DTD_STATUS_ACTIVE (0x00000080)
	#define DTD_STATUS_HALTED (0x00000040)
	#define DTD_STATUS_DATA_BUFF_ERR (0x00000020)
	#define DTD_STATUS_TRANSACTION_ERR (0x00000008)
	#define DTD_RESERVED_FIELDS (0x00007F00)
	#define DTD_ERROR_MASK (0x68)
	#define DTD_ADDR_MASK (0xFFFFFFE0)
	#define DTD_PACKET_SIZE 0x7FFF0000
	#define DTD_LENGTH_BIT_POS (16)

	struct mv_dtd {
	u32 dtd_next;
	u32 size_ioc_sts;
	u32 buff_ptr0; /* Buffer pointer Page 0 */
	u32 buff_ptr1; /* Buffer pointer Page 1 */
	u32 buff_ptr2; /* Buffer pointer Page 2 */
	u32 buff_ptr3; /* Buffer pointer Page 3 */
	u32 buff_ptr4; /* Buffer pointer Page 4 */
	u32 scratch_ptr;
	/* 32 bytes */
	dma_addr_t td_dma; /* dma address for this td */
	struct mv_dtd *next_dtd_virt;
	};

	#endif