/* * (C) Copyright 2001 * Denis Peter, MPL AG Switzerland * * See file CREDITS for list of people who contributed to this * project. * * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * Note: Part of this code has been derived from linux * */#ifndef _USB_UHCI_H_#define _USB_UHCI_H_/* Command register */#define USBCMD		0#define   USBCMD_RS       0x0001	/* Run/Stop */#define   USBCMD_HCRESET  0x0002	/* Host reset */#define   USBCMD_GRESET   0x0004	/* Global reset */#define   USBCMD_EGSM     0x0008	/* Global Suspend Mode */#define   USBCMD_FGR      0x0010	/* Force Global Resume */#define   USBCMD_SWDBG    0x0020	/* SW Debug mode */#define   USBCMD_CF       0x0040	/* Config Flag (sw only) */#define   USBCMD_MAXP     0x0080	/* Max Packet (0 = 32, 1 = 64) *//* Status register */#define USBSTS		2#define   USBSTS_USBINT   0x0001	/* Interrupt due to IOC */#define   USBSTS_ERROR    0x0002	/* Interrupt due to error */#define   USBSTS_RD       0x0004	/* Resume Detect */#define   USBSTS_HSE      0x0008	/* Host System Error - basically PCI problems */#define   USBSTS_HCPE     0x0010	/* Host Controller Process Error - the scripts were buggy */#define   USBSTS_HCH      0x0020	/* HC Halted *//* Interrupt enable register */#define USBINTR		4#define   USBINTR_TIMEOUT 0x0001	/* Timeout/CRC error enable */#define   USBINTR_RESUME  0x0002	/* Resume interrupt enable */#define   USBINTR_IOC     0x0004	/* Interrupt On Complete enable */#define   USBINTR_SP      0x0008	/* Short packet interrupt enable */#define USBFRNUM      6#define USBFLBASEADD  8#define USBSOF        12/* USB port status and control registers */#define USBPORTSC1	16#define USBPORTSC2	18#define   USBPORTSC_CCS   0x0001	/* Current Connect Status ("device present") */#define   USBPORTSC_CSC   0x0002	/* Connect Status Change */#define   USBPORTSC_PE    0x0004	/* Port Enable */#define   USBPORTSC_PEC   0x0008	/* Port Enable Change */#define   USBPORTSC_LS    0x0030	/* Line Status */#define   USBPORTSC_RD    0x0040	/* Resume Detect */#define   USBPORTSC_LSDA  0x0100	/* Low Speed Device Attached */#define   USBPORTSC_PR    0x0200	/* Port Reset */#define   USBPORTSC_SUSP  0x1000	/* Suspend *//* Legacy support register */#define USBLEGSUP 0xc0#define USBLEGSUP_DEFAULT 0x2000	/* only PIRQ enable set */#define UHCI_NULL_DATA_SIZE 0x7ff	/* for UHCI controller TD */#define UHCI_PID            0xff	/* PID MASK */#define UHCI_PTR_BITS       0x000F#define UHCI_PTR_TERM       0x0001#define UHCI_PTR_QH         0x0002#define UHCI_PTR_DEPTH      0x0004/* for TD <status>: */#define TD_CTRL_SPD         (1 << 29)	/* Short Packet Detect */#define TD_CTRL_C_ERR_MASK  (3 << 27)	/* Error Counter bits */#define TD_CTRL_LS          (1 << 26)	/* Low Speed Device */#define TD_CTRL_IOS         (1 << 25)	/* Isochronous Select */#define TD_CTRL_IOC         (1 << 24)	/* Interrupt on Complete */#define TD_CTRL_ACTIVE      (1 << 23)	/* TD Active */#define TD_CTRL_STALLED     (1 << 22)	/* TD Stalled */#define TD_CTRL_DBUFERR     (1 << 21)	/* Data Buffer Error */#define TD_CTRL_BABBLE      (1 << 20)	/* Babble Detected */#define TD_CTRL_NAK         (1 << 19)	/* NAK Received */#define TD_CTRL_CRCTIMEO    (1 << 18)	/* CRC/Time Out Error */#define TD_CTRL_BITSTUFF    (1 << 17)	/* Bit Stuff Error */#define TD_CTRL_ACTLEN_MASK 0x7ff	/* actual length, encoded as n - 1 */#define TD_CTRL_ANY_ERROR	(TD_CTRL_STALLED | TD_CTRL_DBUFERR | \				 TD_CTRL_BABBLE | TD_CTRL_CRCTIME | TD_CTRL_BITSTUFF)#define TD_TOKEN_TOGGLE		19/* ------------------------------------------------------------------------------------   Virtual Root HUB   ------------------------------------------------------------------------------------ *//* destination of request */#define RH_INTERFACE               0x01#define RH_ENDPOINT                0x02#define RH_OTHER                   0x03#define RH_CLASS                   0x20#define RH_VENDOR                  0x40/* Requests: bRequest << 8 | bmRequestType */#define RH_GET_STATUS           0x0080#define RH_CLEAR_FEATURE        0x0100#define RH_SET_FEATURE          0x0300#define RH_SET_ADDRESS          0x0500#define RH_GET_DESCRIPTOR       0x0680#define RH_SET_DESCRIPTOR       0x0700#define RH_GET_CONFIGURATION    0x0880#define RH_SET_CONFIGURATION    0x0900#define RH_GET_STATE            0x0280#define RH_GET_INTERFACE        0x0A80#define RH_SET_INTERFACE        0x0B00#define RH_SYNC_FRAME           0x0C80/* Our Vendor Specific Request */#define RH_SET_EP               0x2000/* Hub port features */#define RH_PORT_CONNECTION         0x00#define RH_PORT_ENABLE             0x01#define RH_PORT_SUSPEND            0x02#define RH_PORT_OVER_CURRENT       0x03#define RH_PORT_RESET              0x04#define RH_PORT_POWER              0x08#define RH_PORT_LOW_SPEED          0x09#define RH_C_PORT_CONNECTION       0x10#define RH_C_PORT_ENABLE           0x11#define RH_C_PORT_SUSPEND          0x12#define RH_C_PORT_OVER_CURRENT     0x13#define RH_C_PORT_RESET            0x14/* Hub features */#define RH_C_HUB_LOCAL_POWER       0x00#define RH_C_HUB_OVER_CURRENT      0x01#define RH_DEVICE_REMOTE_WAKEUP    0x00#define RH_ENDPOINT_STALL          0x01/* Our Vendor Specific feature */#define RH_REMOVE_EP               0x00#define RH_ACK                     0x01#define RH_REQ_ERR                 -1#define RH_NACK                    0x00/* Transfer descriptor structure */typedef struct {	unsigned long link;     /* next td/qh (LE)*/	unsigned long status;   /* status of the td */	unsigned long info;     /* Max Lenght / Endpoint / device address and PID */	unsigned long buffer;   /* pointer to data buffer (LE) */	unsigned long dev_ptr;  /* pointer to the assigned device (BE) */	unsigned long res[3];   /* reserved (TDs must be 8Byte aligned) */} uhci_td_t, *puhci_td_t;/* Queue Header structure */typedef struct {	unsigned long head;       /* Next QH (LE)*/	unsigned long element;		/* Queue element pointer (LE) */	unsigned long res[5];     /* reserved */	unsigned long dev_ptr;    /* if 0 no tds have been assigned to this qh */} uhci_qh_t, *puhci_qh_t;struct virt_root_hub {	int devnum;		            /* Address of Root Hub endpoint */	int numports;             /* number of ports */	int c_p_r[8];             /* C_PORT_RESET */};#endif /* _USB_UHCI_H_ */