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#ifndef __LINUX_ETRAX_USB_H |
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#define __LINUX_ETRAX_USB_H |
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#include <linux/types.h> |
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#include <linux/list.h> |
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typedef struct USB_IN_Desc { |
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volatile __u16 sw_len; |
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volatile __u16 command; |
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volatile unsigned long next; |
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volatile unsigned long buf; |
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volatile __u16 hw_len; |
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volatile __u16 status; |
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} USB_IN_Desc_t; |
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typedef struct USB_SB_Desc { |
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volatile __u16 sw_len; |
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volatile __u16 command; |
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volatile unsigned long next; |
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volatile unsigned long buf; |
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__u32 dummy; |
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} USB_SB_Desc_t; |
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typedef struct USB_EP_Desc { |
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volatile __u16 hw_len; |
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volatile __u16 command; |
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volatile unsigned long sub; |
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volatile unsigned long next; |
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__u32 dummy; |
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} USB_EP_Desc_t; |
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struct virt_root_hub { |
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int devnum; |
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void *urb; |
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void *int_addr; |
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int send; |
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int interval; |
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int numports; |
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struct timer_list rh_int_timer; |
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volatile __u16 wPortChange_1; |
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volatile __u16 wPortChange_2; |
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volatile __u16 prev_wPortStatus_1; |
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volatile __u16 prev_wPortStatus_2; |
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}; |
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struct etrax_usb_intr_traffic { |
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int sleeping; |
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int error; |
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struct wait_queue *wq; |
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}; |
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typedef struct etrax_usb_hc { |
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struct usb_bus *bus; |
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struct virt_root_hub rh; |
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struct etrax_usb_intr_traffic intr; |
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} etrax_hc_t; |
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typedef enum { |
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STARTED, |
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NOT_STARTED, |
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UNLINK, |
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TRANSFER_DONE, |
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WAITING_FOR_DESCR_INTR |
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} etrax_usb_urb_state_t; |
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typedef struct etrax_usb_urb_priv { |
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/* The first_sb field is used for freeing all SB descriptors belonging
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to an urb. The corresponding ep descriptor's sub pointer cannot be |
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used for this since the DMA advances the sub pointer as it processes |
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the sb list. */ |
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USB_SB_Desc_t *first_sb; |
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/* The last_sb field referes to the last SB descriptor that belongs to
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this urb. This is important to know so we can free the SB descriptors |
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that ranges between first_sb and last_sb. */ |
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USB_SB_Desc_t *last_sb; |
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/* The rx_offset field is used in ctrl and bulk traffic to keep track
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of the offset in the urb's transfer_buffer where incoming data should be |
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copied to. */ |
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__u32 rx_offset; |
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/* Counter used in isochronous transfers to keep track of the
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number of packets received/transmitted. */ |
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__u32 isoc_packet_counter; |
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/* This field is used to pass information about the urb's current state between
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the various interrupt handlers (thus marked volatile). */ |
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volatile etrax_usb_urb_state_t urb_state; |
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/* Connection between the submitted urb and ETRAX epid number */ |
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__u8 epid; |
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/* The rx_data_list field is used for periodic traffic, to hold
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received data for later processing in the the complete_urb functions, |
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where the data us copied to the urb's transfer_buffer. Basically, we |
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use this intermediate storage because we don't know when it's safe to |
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reuse the transfer_buffer (FIXME?). */ |
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struct list_head rx_data_list; |
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} etrax_urb_priv_t; |
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/* This struct is for passing data from the top half to the bottom half. */ |
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typedef struct usb_interrupt_registers |
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{ |
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etrax_hc_t *hc; |
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__u32 r_usb_epid_attn; |
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__u8 r_usb_status; |
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__u16 r_usb_rh_port_status_1; |
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__u16 r_usb_rh_port_status_2; |
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__u32 r_usb_irq_mask_read; |
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__u32 r_usb_fm_number; |
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struct work_struct usb_bh; |
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} usb_interrupt_registers_t; |
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/* This struct is for passing data from the isoc top half to the isoc bottom half. */ |
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typedef struct usb_isoc_complete_data |
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{ |
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struct urb *urb; |
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struct work_struct usb_bh; |
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} usb_isoc_complete_data_t; |
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/* This struct holds data we get from the rx descriptors for DMA channel 9
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for periodic traffic (intr and isoc). */ |
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typedef struct rx_data |
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{ |
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void *data; |
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int length; |
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struct list_head list; |
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} rx_data_t; |
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typedef struct urb_entry |
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{ |
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struct urb *urb; |
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struct list_head list; |
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} urb_entry_t; |
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/* ---------------------------------------------------------------------------
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Virtual Root HUB |
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------------------------------------------------------------------------- */ |
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/* destination of request */ |
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#define RH_INTERFACE 0x01 |
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#define RH_ENDPOINT 0x02 |
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#define RH_OTHER 0x03 |
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#define RH_CLASS 0x20 |
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#define RH_VENDOR 0x40 |
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/* Requests: bRequest << 8 | bmRequestType */ |
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#define RH_GET_STATUS 0x0080 |
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#define RH_CLEAR_FEATURE 0x0100 |
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#define RH_SET_FEATURE 0x0300 |
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#define RH_SET_ADDRESS 0x0500 |
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#define RH_GET_DESCRIPTOR 0x0680 |
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#define RH_SET_DESCRIPTOR 0x0700 |
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#define RH_GET_CONFIGURATION 0x0880 |
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#define RH_SET_CONFIGURATION 0x0900 |
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#define RH_GET_STATE 0x0280 |
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#define RH_GET_INTERFACE 0x0A80 |
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#define RH_SET_INTERFACE 0x0B00 |
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#define RH_SYNC_FRAME 0x0C80 |
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/* Our Vendor Specific Request */ |
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#define RH_SET_EP 0x2000 |
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/* Hub port features */ |
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#define RH_PORT_CONNECTION 0x00 |
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#define RH_PORT_ENABLE 0x01 |
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#define RH_PORT_SUSPEND 0x02 |
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#define RH_PORT_OVER_CURRENT 0x03 |
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#define RH_PORT_RESET 0x04 |
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#define RH_PORT_POWER 0x08 |
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#define RH_PORT_LOW_SPEED 0x09 |
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#define RH_C_PORT_CONNECTION 0x10 |
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#define RH_C_PORT_ENABLE 0x11 |
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#define RH_C_PORT_SUSPEND 0x12 |
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#define RH_C_PORT_OVER_CURRENT 0x13 |
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#define RH_C_PORT_RESET 0x14 |
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/* Hub features */ |
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#define RH_C_HUB_LOCAL_POWER 0x00 |
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#define RH_C_HUB_OVER_CURRENT 0x01 |
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#define RH_DEVICE_REMOTE_WAKEUP 0x00 |
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#define RH_ENDPOINT_STALL 0x01 |
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/* Our Vendor Specific feature */ |
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#define RH_REMOVE_EP 0x00 |
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#define RH_ACK 0x01 |
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#define RH_REQ_ERR -1 |
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#define RH_NACK 0x00 |
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/* Field definitions for */ |
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#define USB_IN_command__eol__BITNR 0 /* command macros */ |
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#define USB_IN_command__eol__WIDTH 1 |
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#define USB_IN_command__eol__no 0 |
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#define USB_IN_command__eol__yes 1 |
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#define USB_IN_command__intr__BITNR 3 |
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#define USB_IN_command__intr__WIDTH 1 |
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#define USB_IN_command__intr__no 0 |
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#define USB_IN_command__intr__yes 1 |
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#define USB_IN_status__eop__BITNR 1 /* status macros. */ |
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#define USB_IN_status__eop__WIDTH 1 |
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#define USB_IN_status__eop__no 0 |
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#define USB_IN_status__eop__yes 1 |
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#define USB_IN_status__eot__BITNR 5 |
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#define USB_IN_status__eot__WIDTH 1 |
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#define USB_IN_status__eot__no 0 |
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#define USB_IN_status__eot__yes 1 |
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#define USB_IN_status__error__BITNR 6 |
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#define USB_IN_status__error__WIDTH 1 |
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#define USB_IN_status__error__no 0 |
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#define USB_IN_status__error__yes 1 |
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#define USB_IN_status__nodata__BITNR 7 |
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#define USB_IN_status__nodata__WIDTH 1 |
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#define USB_IN_status__nodata__no 0 |
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#define USB_IN_status__nodata__yes 1 |
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#define USB_IN_status__epid__BITNR 8 |
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#define USB_IN_status__epid__WIDTH 5 |
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#define USB_EP_command__eol__BITNR 0 |
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#define USB_EP_command__eol__WIDTH 1 |
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#define USB_EP_command__eol__no 0 |
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#define USB_EP_command__eol__yes 1 |
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#define USB_EP_command__eof__BITNR 1 |
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#define USB_EP_command__eof__WIDTH 1 |
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#define USB_EP_command__eof__no 0 |
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#define USB_EP_command__eof__yes 1 |
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#define USB_EP_command__intr__BITNR 3 |
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#define USB_EP_command__intr__WIDTH 1 |
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#define USB_EP_command__intr__no 0 |
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#define USB_EP_command__intr__yes 1 |
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#define USB_EP_command__enable__BITNR 4 |
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#define USB_EP_command__enable__WIDTH 1 |
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#define USB_EP_command__enable__no 0 |
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#define USB_EP_command__enable__yes 1 |
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#define USB_EP_command__hw_valid__BITNR 5 |
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#define USB_EP_command__hw_valid__WIDTH 1 |
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#define USB_EP_command__hw_valid__no 0 |
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#define USB_EP_command__hw_valid__yes 1 |
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#define USB_EP_command__epid__BITNR 8 |
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#define USB_EP_command__epid__WIDTH 5 |
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#define USB_SB_command__eol__BITNR 0 /* command macros. */ |
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#define USB_SB_command__eol__WIDTH 1 |
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#define USB_SB_command__eol__no 0 |
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#define USB_SB_command__eol__yes 1 |
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#define USB_SB_command__eot__BITNR 1 |
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#define USB_SB_command__eot__WIDTH 1 |
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#define USB_SB_command__eot__no 0 |
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#define USB_SB_command__eot__yes 1 |
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#define USB_SB_command__intr__BITNR 3 |
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#define USB_SB_command__intr__WIDTH 1 |
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#define USB_SB_command__intr__no 0 |
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#define USB_SB_command__intr__yes 1 |
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#define USB_SB_command__tt__BITNR 4 |
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#define USB_SB_command__tt__WIDTH 2 |
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#define USB_SB_command__tt__zout 0 |
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#define USB_SB_command__tt__in 1 |
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#define USB_SB_command__tt__out 2 |
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#define USB_SB_command__tt__setup 3 |
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#define USB_SB_command__rem__BITNR 8 |
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#define USB_SB_command__rem__WIDTH 6 |
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#define USB_SB_command__full__BITNR 6 |
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#define USB_SB_command__full__WIDTH 1 |
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#define USB_SB_command__full__no 0 |
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#define USB_SB_command__full__yes 1 |
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#endif |
@ -0,0 +1,22 @@ |
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Index: linux-2.6.25.1/drivers/usb/Makefile
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===================================================================
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--- linux-2.6.25.1.orig/drivers/usb/Makefile 2008-05-03 21:33:11.000000000 +0100
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+++ linux-2.6.25.1/drivers/usb/Makefile 2008-05-03 21:33:17.000000000 +0100
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@@ -16,6 +16,7 @@
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obj-$(CONFIG_USB_SL811_HCD) += host/
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obj-$(CONFIG_USB_U132_HCD) += host/
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obj-$(CONFIG_USB_R8A66597_HCD) += host/
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+obj-$(CONFIG_ETRAX_USB_HOST) += host/
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obj-$(CONFIG_USB_ACM) += class/
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obj-$(CONFIG_USB_PRINTER) += class/
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Index: linux-2.6.25.1/drivers/usb/host/Makefile
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===================================================================
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--- linux-2.6.25.1.orig/drivers/usb/host/Makefile 2008-05-03 21:33:24.000000000 +0100
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+++ linux-2.6.25.1/drivers/usb/host/Makefile 2008-05-03 21:33:47.000000000 +0100
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@@ -16,4 +16,4 @@
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obj-$(CONFIG_USB_SL811_CS) += sl811_cs.o
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obj-$(CONFIG_USB_U132_HCD) += u132-hcd.o
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obj-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
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-
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+obj-$(CONFIG_ETRAX_ARCH_V10) += hc_crisv10.o
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