-#ifndef __LINUX_ETRAX_USB_H
-#define __LINUX_ETRAX_USB_H
-
-#include <linux/types.h>
-#include <linux/list.h>
-
-struct USB_IN_Desc {
- volatile __u16 sw_len;
- volatile __u16 command;
- volatile unsigned long next;
- volatile unsigned long buf;
- volatile __u16 hw_len;
- volatile __u16 status;
-};
-
-struct USB_SB_Desc {
- volatile __u16 sw_len;
- volatile __u16 command;
- volatile unsigned long next;
- volatile unsigned long buf;
-};
-
-struct USB_EP_Desc {
- volatile __u16 hw_len;
- volatile __u16 command;
- volatile unsigned long sub;
- volatile unsigned long next;
-};
-
-
-/* Root Hub port status struct */
-struct crisv10_rh {
- volatile __u16 wPortChange[2];
- volatile __u16 wPortStatusPrev[2];
-};
-
-/* HCD description */
-struct crisv10_hcd {
- spinlock_t lock;
- __u8 num_ports;
- __u8 running;
-};
-
-
-/* Endpoint HC private data description */
-struct crisv10_ep_priv {
- int epid;
-};
-
-/* Additional software state info for a USB Controller epid */
-struct etrax_epid {
- __u8 inuse; /* !0 = setup in Etrax and used for a endpoint */
- __u8 disabled; /* !0 = Temporarly disabled to avoid resubmission */
- __u8 type; /* Setup as: PIPE_BULK, PIPE_CONTROL ... */
- __u8 out_traffic; /* !0 = This epid is for out traffic */
-};
-
-/* Struct to hold information of scheduled later URB completion */
-struct urb_later_data {
- struct delayed_work dws;
- struct usb_hcd *hcd;
- struct urb *urb;
- int urb_num;
- int status;
-};
-
-
-typedef enum {
- STARTED,
- NOT_STARTED,
- UNLINK,
-} crisv10_urb_state_t;
-
-
-struct crisv10_urb_priv {
- /* Sequence number for this URB. Every new submited URB gets this from
- a incrementing counter. Used when a URB is scheduled for later finish to
- be sure that the intended URB hasn't already been completed (device
- drivers has a tendency to reuse URBs once they are completed, causing us
- to not be able to single old ones out only based on the URB pointer.) */
- __u32 urb_num;
-
- /* The first_sb field is used for freeing all SB descriptors belonging
- to an urb. The corresponding ep descriptor's sub pointer cannot be
- used for this since the DMA advances the sub pointer as it processes
- the sb list. */
- struct USB_SB_Desc *first_sb;
-
- /* The last_sb field referes to the last SB descriptor that belongs to
- this urb. This is important to know so we can free the SB descriptors
- that ranges between first_sb and last_sb. */
- struct USB_SB_Desc *last_sb;
-
- /* The rx_offset field is used in ctrl and bulk traffic to keep track
- of the offset in the urb's transfer_buffer where incoming data should be
- copied to. */
- __u32 rx_offset;
-
- /* Counter used in isochronous transfers to keep track of the
- number of packets received/transmitted. */
- __u32 isoc_packet_counter;
-
- /* Flag that marks if this Isoc Out URB has finished it's transfer. Used
- because several URBs can be finished before list is processed */
- __u8 isoc_out_done;
-
- /* This field is used to pass information about the urb's current state
- between the various interrupt handlers (thus marked volatile). */
- volatile crisv10_urb_state_t urb_state;
-
- /* In Ctrl transfers consist of (at least) 3 packets: SETUP, IN and ZOUT.
- When DMA8 sub-channel 2 has processed the SB list for this sequence we
- get a interrupt. We also get a interrupt for In transfers and which
- one of these interrupts that comes first depends of data size and device.
- To be sure that we have got both interrupts before we complete the URB
- we have these to flags that shows which part that has completed.
- We can then check when we get one of the interrupts that if the other has
- occured it's safe for us to complete the URB, otherwise we set appropriate
- flag and do the completion when we get the other interrupt. */
- volatile unsigned char ctrl_zout_done;
- volatile unsigned char ctrl_rx_done;
-
- /* Connection between the submitted urb and ETRAX epid number */
- __u8 epid;
-
- /* The rx_data_list field is used for periodic traffic, to hold
- received data for later processing in the the complete_urb functions,
- where the data us copied to the urb's transfer_buffer. Basically, we
- use this intermediate storage because we don't know when it's safe to
- reuse the transfer_buffer (FIXME?). */
- struct list_head rx_data_list;
-
-
- /* The interval time rounded up to closest 2^N */
- int interval;
-
- /* Pool of EP descriptors needed if it's a INTR transfer.
- Amount of EPs in pool correspons to how many INTR that should
- be inserted in TxIntrEPList (max 128, defined by MAX_INTR_INTERVAL) */
- struct USB_EP_Desc* intr_ep_pool[128];
-
- /* The mount of EPs allocated for this INTR URB */
- int intr_ep_pool_length;
-
- /* Pointer to info struct if URB is scheduled to be finished later */
- struct urb_later_data* later_data;
-
- /* Allocated bandwidth for isochronous and interrupt traffic */
- int bandwidth;
-};
-
-
-/* This struct is for passing data from the top half to the bottom half irq
- handlers */
-struct crisv10_irq_reg {
- struct usb_hcd* hcd;
- __u32 r_usb_epid_attn;
- __u8 r_usb_status;
- __u16 r_usb_rh_port_status_1;
- __u16 r_usb_rh_port_status_2;
- __u32 r_usb_irq_mask_read;
- __u32 r_usb_fm_number;
- struct work_struct usb_bh;
-};
-
-
-/* This struct is for passing data from the isoc top half to the isoc bottom
- half. */
-struct crisv10_isoc_complete_data {
- struct usb_hcd *hcd;
- struct urb *urb;
- struct work_struct usb_bh;
-};
-
-/* Entry item for URB lists for each endpint */
-typedef struct urb_entry
-{
- struct urb *urb;
- struct list_head list;
-} urb_entry_t;
-
-/* ---------------------------------------------------------------------------
- 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
-
-/* Field definitions for */
-
-#define USB_IN_command__eol__BITNR 0 /* command macros */
-#define USB_IN_command__eol__WIDTH 1
-#define USB_IN_command__eol__no 0
-#define USB_IN_command__eol__yes 1
-
-#define USB_IN_command__intr__BITNR 3
-#define USB_IN_command__intr__WIDTH 1
-#define USB_IN_command__intr__no 0
-#define USB_IN_command__intr__yes 1
projects / openwrt.git / blobdiff