patch-2.4.21 linux-2.4.21/drivers/usb/usb-uhci.h
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- Lines: 309
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.20/drivers/usb/usb-uhci.h
- Orig date:
2002-11-28 15:53:15.000000000 -0800
diff -urN linux-2.4.20/drivers/usb/usb-uhci.h linux-2.4.21/drivers/usb/usb-uhci.h
@@ -1,308 +0,0 @@
-#ifndef __LINUX_UHCI_H
-#define __LINUX_UHCI_H
-
-/*
- $Id: usb-uhci.h,v 1.58 2001/08/28 16:45:00 acher Exp $
- */
-#define MODNAME "usb-uhci"
-#define UHCI_LATENCY_TIMER 0
-
-static __inline__ void uhci_wait_ms(unsigned int ms)
-{
- if(!in_interrupt())
- {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(1 + ms * HZ / 1000);
- }
- else
- mdelay(ms);
-}
-
-/* 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
-
-#define UHCI_NUMFRAMES 1024 /* in the frame list [array] */
-#define UHCI_MAX_SOF_NUMBER 2047 /* in an SOF packet */
-#define CAN_SCHEDULE_FRAMES 1000 /* how far future frames can be scheduled */
-
-/*
- * 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 uhci_status_bits(ctrl_sts) (ctrl_sts & 0xFE0000)
-#define uhci_actual_length(ctrl_sts) ((ctrl_sts + 1) & TD_CTRL_ACTLEN_MASK) /* 1-based */
-#define uhci_ptr_to_virt(x) bus_to_virt(x & ~UHCI_PTR_BITS)
-
-/*
- * for TD <flags>:
- */
-#define UHCI_TD_REMOVE 0x0001 /* Remove when done */
-
-/*
- * for TD <info>: (a.k.a. Token)
- */
-#define TD_TOKEN_TOGGLE 19
-
-#define uhci_maxlen(token) ((token) >> 21)
-#define uhci_toggle(token) (((token) >> TD_TOKEN_TOGGLE) & 1)
-#define uhci_endpoint(token) (((token) >> 15) & 0xf)
-#define uhci_devaddr(token) (((token) >> 8) & 0x7f)
-#define uhci_devep(token) (((token) >> 8) & 0x7ff)
-#define uhci_packetid(token) ((token) & 0xff)
-#define uhci_packetout(token) (uhci_packetid(token) != USB_PID_IN)
-#define uhci_packetin(token) (uhci_packetid(token) == USB_PID_IN)
-
-/* ------------------------------------------------------------------------------------
- New TD/QH-structures
- ------------------------------------------------------------------------------------ */
-typedef enum {
- TD_TYPE, QH_TYPE
-} uhci_desc_type_t;
-
-typedef struct {
- __u32 link;
- __u32 status;
- __u32 info;
- __u32 buffer;
-} uhci_td_t, *puhci_td_t;
-
-typedef struct {
- __u32 head;
- __u32 element; /* Queue element pointer */
-} uhci_qh_t, *puhci_qh_t;
-
-typedef struct {
- union {
- uhci_td_t td;
- uhci_qh_t qh;
- } hw;
- uhci_desc_type_t type;
- dma_addr_t dma_addr;
- struct list_head horizontal;
- struct list_head vertical;
- struct list_head desc_list;
- int last_used;
-} uhci_desc_t, *puhci_desc_t;
-
-typedef struct {
- struct list_head desc_list; // list pointer to all corresponding TDs/QHs associated with this request
- dma_addr_t setup_packet_dma;
- dma_addr_t transfer_buffer_dma;
- unsigned long started;
- struct urb *next_queued_urb; // next queued urb for this EP
- struct urb *prev_queued_urb;
- uhci_desc_t *bottom_qh;
- uhci_desc_t *next_qh; // next helper QH
- char use_loop;
- char flags;
-} urb_priv_t, *purb_priv_t;
-
-struct virt_root_hub {
- int devnum; /* Address of Root Hub endpoint */
- void *urb;
- void *int_addr;
- int send;
- int interval;
- int numports;
- int c_p_r[8];
- struct timer_list rh_int_timer;
-};
-
-typedef struct uhci {
- int irq;
- unsigned int io_addr;
- unsigned int io_size;
- unsigned int maxports;
- int running;
-
- int apm_state;
-
- struct uhci *next; // chain of uhci device contexts
-
- struct list_head urb_list; // list of all pending urbs
-
- spinlock_t urb_list_lock; // lock to keep consistency
-
- int unlink_urb_done;
- atomic_t avoid_bulk;
-
- struct usb_bus *bus; // our bus
-
- __u32 *framelist;
- dma_addr_t framelist_dma;
- uhci_desc_t **iso_td;
- uhci_desc_t *int_chain[8];
- uhci_desc_t *ls_control_chain;
- uhci_desc_t *control_chain;
- uhci_desc_t *bulk_chain;
- uhci_desc_t *chain_end;
- uhci_desc_t *td1ms;
- uhci_desc_t *td32ms;
- struct list_head free_desc;
- spinlock_t qh_lock;
- spinlock_t td_lock;
- struct virt_root_hub rh; //private data of the virtual root hub
- int loop_usage; // URBs using bandwidth reclamation
-
- struct list_head urb_unlinked; // list of all unlinked urbs
- long timeout_check;
- int timeout_urbs;
- struct pci_dev *uhci_pci;
- struct pci_pool *desc_pool;
- long last_error_time; // last error output in uhci_interrupt()
-} uhci_t, *puhci_t;
-
-
-#define MAKE_TD_ADDR(a) ((a)->dma_addr&~UHCI_PTR_QH)
-#define MAKE_QH_ADDR(a) ((a)->dma_addr|UHCI_PTR_QH)
-#define UHCI_GET_CURRENT_FRAME(uhci) (inw ((uhci)->io_addr + USBFRNUM))
-
-#define CLEAN_TRANSFER_NO_DELETION 0
-#define CLEAN_TRANSFER_REGULAR 1
-#define CLEAN_TRANSFER_DELETION_MARK 2
-
-#define CLEAN_NOT_FORCED 0
-#define CLEAN_FORCED 1
-
-#define PROCESS_ISO_REGULAR 0
-#define PROCESS_ISO_FORCE 1
-
-#define UNLINK_ASYNC_STORE_URB 0
-#define UNLINK_ASYNC_DONT_STORE 1
-
-#define is_td_active(desc) (desc->hw.td.status & cpu_to_le32(TD_CTRL_ACTIVE))
-
-#define set_qh_head(desc,val) (desc)->hw.qh.head=cpu_to_le32(val)
-#define set_qh_element(desc,val) (desc)->hw.qh.element=cpu_to_le32(val)
-#define set_td_link(desc,val) (desc)->hw.td.link=cpu_to_le32(val)
-#define set_td_ioc(desc) (desc)->hw.td.status |= cpu_to_le32(TD_CTRL_IOC)
-#define clr_td_ioc(desc) (desc)->hw.td.status &= cpu_to_le32(~TD_CTRL_IOC)
-
-
-/* ------------------------------------------------------------------------------------
- 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
-
-#endif
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