--- /dev/null
+#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
+
+#define USB_IN_status__eop__BITNR 1 /* status macros. */
+#define USB_IN_status__eop__WIDTH 1
+#define USB_IN_status__eop__no 0
+#define USB_IN_status__eop__yes 1
+
+#define USB_IN_status__eot__BITNR 5
+#define USB_IN_status__eot__WIDTH 1
+#define USB_IN_status__eot__no 0
+#define USB_IN_status__eot__yes 1
+
+#define USB_IN_status__error__BITNR 6
+#define USB_IN_status__error__WIDTH 1
+#define USB_IN_status__error__no 0
+#define USB_IN_status__error__yes 1
+
+#define USB_IN_status__nodata__BITNR 7
+#define USB_IN_status__nodata__WIDTH 1
+#define USB_IN_status__nodata__no 0
+#define USB_IN_status__nodata__yes 1
+
+#define USB_IN_status__epid__BITNR 8
+#define USB_IN_status__epid__WIDTH 5
+
+#define USB_EP_command__eol__BITNR 0
+#define USB_EP_command__eol__WIDTH 1
+#define USB_EP_command__eol__no 0
+#define USB_EP_command__eol__yes 1
+
+#define USB_EP_command__eof__BITNR 1
+#define USB_EP_command__eof__WIDTH 1
+#define USB_EP_command__eof__no 0
+#define USB_EP_command__eof__yes 1
+
+#define USB_EP_command__intr__BITNR 3
+#define USB_EP_command__intr__WIDTH 1
+#define USB_EP_command__intr__no 0
+#define USB_EP_command__intr__yes 1
+
+#define USB_EP_command__enable__BITNR 4
+#define USB_EP_command__enable__WIDTH 1
+#define USB_EP_command__enable__no 0
+#define USB_EP_command__enable__yes 1
+
+#define USB_EP_command__hw_valid__BITNR 5
+#define USB_EP_command__hw_valid__WIDTH 1
+#define USB_EP_command__hw_valid__no 0
+#define USB_EP_command__hw_valid__yes 1
+
+#define USB_EP_command__epid__BITNR 8
+#define USB_EP_command__epid__WIDTH 5
+
+#define USB_SB_command__eol__BITNR 0 /* command macros. */
+#define USB_SB_command__eol__WIDTH 1
+#define USB_SB_command__eol__no 0
+#define USB_SB_command__eol__yes 1
+
+#define USB_SB_command__eot__BITNR 1
+#define USB_SB_command__eot__WIDTH 1
+#define USB_SB_command__eot__no 0
+#define USB_SB_command__eot__yes 1
+
+#define USB_SB_command__intr__BITNR 3
+#define USB_SB_command__intr__WIDTH 1
+#define USB_SB_command__intr__no 0
+#define USB_SB_command__intr__yes 1
+
+#define USB_SB_command__tt__BITNR 4
+#define USB_SB_command__tt__WIDTH 2
+#define USB_SB_command__tt__zout 0
+#define USB_SB_command__tt__in 1
+#define USB_SB_command__tt__out 2
+#define USB_SB_command__tt__setup 3
+
+
+#define USB_SB_command__rem__BITNR 8
+#define USB_SB_command__rem__WIDTH 6
+
+#define USB_SB_command__full__BITNR 6
+#define USB_SB_command__full__WIDTH 1
+#define USB_SB_command__full__no 0
+#define USB_SB_command__full__yes 1
+
+#endif
+
projects / openwrt.git / blobdiff