#ifndef _DWC2_COMPAT_H
#define _DWC2_COMPAT_H


/* OTG defines lots of enumeration states before device reset */
enum usb_otg_state {
	OTG_STATE_UNDEFINED = 0,

	/* single-role peripheral, and dual-role default-b */
	OTG_STATE_B_IDLE,
	OTG_STATE_B_SRP_INIT,
	OTG_STATE_B_PERIPHERAL,

	/* extra dual-role default-b states */
	OTG_STATE_B_WAIT_ACON,
	OTG_STATE_B_HOST,

	/* dual-role default-a */
	OTG_STATE_A_IDLE,
	OTG_STATE_A_WAIT_VRISE,
	OTG_STATE_A_WAIT_BCON,
	OTG_STATE_A_HOST,
	OTG_STATE_A_SUSPEND,
	OTG_STATE_A_PERIPHERAL,
	OTG_STATE_A_WAIT_VFALL,
	OTG_STATE_A_VBUS_ERR,
};


enum usb_dr_mode {
	USB_DR_MODE_UNKNOWN,
	USB_DR_MODE_HOST,
	USB_DR_MODE_PERIPHERAL,
	USB_DR_MODE_OTG,
};

#define URB_DIR_IN		0x0200	/* Transfer from device to host */
#define URB_DIR_OUT		0
#define URB_DIR_MASK		URB_DIR_IN

#define URB_DMA_MAP_SINGLE	0x00010000	/* Non-scatter-gather mapping */
#define URB_DMA_MAP_PAGE	0x00020000	/* HCD-unsupported S-G */
#define URB_DMA_MAP_SG		0x00040000	/* HCD-supported S-G */
#define URB_MAP_LOCAL		0x00080000	/* HCD-local-memory mapping */
#define URB_SETUP_MAP_SINGLE	0x00100000	/* Setup packet DMA mapped */
#define URB_SETUP_MAP_LOCAL	0x00200000	/* HCD-local setup packet */
#define URB_DMA_SG_COMBINED	0x00400000	/* S-G entries were combined */
#define URB_ALIGNED_TEMP_BUFFER	0x00800000	/* Temp buffer was alloc'd */


#define USB_RESUME_TIMEOUT	40 /* ms */



/* class requests from the USB 2.0 hub spec, table 11-15 */
#define HUB_CLASS_REQ(dir, type, request) ((((dir) | (type)) << 8) | (request))
/* GetBusState and SetHubDescriptor are optional, omitted */
#define ClearHubFeature		HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, USB_REQ_CLEAR_FEATURE)
#define ClearPortFeature	HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, USB_REQ_CLEAR_FEATURE)
#define GetHubDescriptor	HUB_CLASS_REQ(USB_DIR_IN, USB_RT_HUB, USB_REQ_GET_DESCRIPTOR)
#define GetHubStatus		HUB_CLASS_REQ(USB_DIR_IN, USB_RT_HUB, USB_REQ_GET_STATUS)
#define GetPortStatus		HUB_CLASS_REQ(USB_DIR_IN, USB_RT_PORT, USB_REQ_GET_STATUS)
#define SetHubFeature		HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_HUB, USB_REQ_SET_FEATURE)
#define SetPortFeature		HUB_CLASS_REQ(USB_DIR_OUT, USB_RT_PORT, USB_REQ_SET_FEATURE)


/*
 * Port feature numbers
 * See USB 2.0 spec Table 11-17
 */
#define USB_PORT_FEAT_CONNECTION	0
#define USB_PORT_FEAT_ENABLE		1
#define USB_PORT_FEAT_SUSPEND		2	/* L2 suspend */
#define USB_PORT_FEAT_OVER_CURRENT	3
#define USB_PORT_FEAT_RESET		4
#define USB_PORT_FEAT_L1		5	/* L1 suspend */
#define USB_PORT_FEAT_POWER		8
#define USB_PORT_FEAT_LOWSPEED		9	/* Should never be used */
#define USB_PORT_FEAT_C_CONNECTION	16
#define USB_PORT_FEAT_C_ENABLE		17
#define USB_PORT_FEAT_C_SUSPEND		18
#define USB_PORT_FEAT_C_OVER_CURRENT	19
#define USB_PORT_FEAT_C_RESET		20
#define USB_PORT_FEAT_TEST              21
#define USB_PORT_FEAT_INDICATOR         22
#define USB_PORT_FEAT_C_PORT_L1         23

/*
 * wPortChange bit field
 * See USB 2.0 spec Table 11-22 and USB 2.0 LPM ECN Table-4.10
 * Bits 0 to 5 shown, bits 6 to 15 are reserved
 */
#define USB_PORT_STAT_C_CONNECTION	0x0001
#define USB_PORT_STAT_C_ENABLE		0x0002
#define USB_PORT_STAT_C_SUSPEND		0x0004
#define USB_PORT_STAT_C_OVERCURRENT	0x0008
#define USB_PORT_STAT_C_RESET		0x0010
#define USB_PORT_STAT_C_L1		0x0020

/*
 * wPortStatus bit field
 * See USB 2.0 spec Table 11-21
 */
#define USB_PORT_STAT_CONNECTION	0x0001
#define USB_PORT_STAT_ENABLE		0x0002
#define USB_PORT_STAT_SUSPEND		0x0004
#define USB_PORT_STAT_OVERCURRENT	0x0008
#define USB_PORT_STAT_RESET		0x0010
#define USB_PORT_STAT_L1		0x0020
/* bits 6 to 7 are reserved */
#define USB_PORT_STAT_POWER		0x0100
#define USB_PORT_STAT_LOW_SPEED		0x0200
#define USB_PORT_STAT_HIGH_SPEED        0x0400
#define USB_PORT_STAT_TEST              0x0800
#define USB_PORT_STAT_INDICATOR         0x1000
/* bits 13 to 15 are reserved */

/*
 * wHubCharacteristics (masks)
 * See USB 2.0 spec Table 11-13, offset 3
 */
#define HUB_CHAR_LPSM		0x0003 /* Logical Power Switching Mode mask */
#define HUB_CHAR_COMMON_LPSM	0x0000 /* All ports power control at once */
#define HUB_CHAR_INDV_PORT_LPSM	0x0001 /* per-port power control */
#define HUB_CHAR_NO_LPSM	0x0002 /* no power switching */

#define HUB_CHAR_COMPOUND	0x0004 /* hub is part of a compound device */

#define HUB_CHAR_OCPM		0x0018 /* Over-Current Protection Mode mask */
#define HUB_CHAR_COMMON_OCPM	0x0000 /* All ports Over-Current reporting */
#define HUB_CHAR_INDV_PORT_OCPM	0x0008 /* per-port Over-current reporting */
#define HUB_CHAR_NO_OCPM	0x0010 /* No Over-current Protection support */

#define HUB_CHAR_TTTT		0x0060 /* TT Think Time mask */
#define HUB_CHAR_PORTIND	0x0080 /* per-port indicators (LEDs) */


#endif