mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-27 00:01:10 +02:00
429016f82a
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11039 3c298f89-4303-0410-b956-a3cf2f4a3e73
290 lines
8.4 KiB
C
290 lines
8.4 KiB
C
#ifndef __LINUX_ETRAX_USB_H
|
|
#define __LINUX_ETRAX_USB_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/list.h>
|
|
|
|
typedef 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;
|
|
} USB_IN_Desc_t;
|
|
|
|
typedef struct USB_SB_Desc {
|
|
volatile __u16 sw_len;
|
|
volatile __u16 command;
|
|
volatile unsigned long next;
|
|
volatile unsigned long buf;
|
|
__u32 dummy;
|
|
} USB_SB_Desc_t;
|
|
|
|
typedef struct USB_EP_Desc {
|
|
volatile __u16 hw_len;
|
|
volatile __u16 command;
|
|
volatile unsigned long sub;
|
|
volatile unsigned long next;
|
|
__u32 dummy;
|
|
} USB_EP_Desc_t;
|
|
|
|
struct virt_root_hub {
|
|
int devnum;
|
|
void *urb;
|
|
void *int_addr;
|
|
int send;
|
|
int interval;
|
|
int numports;
|
|
struct timer_list rh_int_timer;
|
|
volatile __u16 wPortChange_1;
|
|
volatile __u16 wPortChange_2;
|
|
volatile __u16 prev_wPortStatus_1;
|
|
volatile __u16 prev_wPortStatus_2;
|
|
};
|
|
|
|
struct etrax_usb_intr_traffic {
|
|
int sleeping;
|
|
int error;
|
|
struct wait_queue *wq;
|
|
};
|
|
|
|
typedef struct etrax_usb_hc {
|
|
struct usb_bus *bus;
|
|
struct virt_root_hub rh;
|
|
struct etrax_usb_intr_traffic intr;
|
|
} etrax_hc_t;
|
|
|
|
typedef enum {
|
|
STARTED,
|
|
NOT_STARTED,
|
|
UNLINK,
|
|
TRANSFER_DONE,
|
|
WAITING_FOR_DESCR_INTR
|
|
} etrax_usb_urb_state_t;
|
|
|
|
|
|
|
|
typedef struct etrax_usb_urb_priv {
|
|
/* 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. */
|
|
USB_SB_Desc_t *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. */
|
|
USB_SB_Desc_t *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;
|
|
|
|
/* This field is used to pass information about the urb's current state between
|
|
the various interrupt handlers (thus marked volatile). */
|
|
volatile etrax_usb_urb_state_t urb_state;
|
|
|
|
/* 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;
|
|
} etrax_urb_priv_t;
|
|
|
|
/* This struct is for passing data from the top half to the bottom half. */
|
|
typedef struct usb_interrupt_registers
|
|
{
|
|
etrax_hc_t *hc;
|
|
__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;
|
|
} usb_interrupt_registers_t;
|
|
|
|
/* This struct is for passing data from the isoc top half to the isoc bottom half. */
|
|
typedef struct usb_isoc_complete_data
|
|
{
|
|
struct urb *urb;
|
|
struct work_struct usb_bh;
|
|
} usb_isoc_complete_data_t;
|
|
|
|
/* This struct holds data we get from the rx descriptors for DMA channel 9
|
|
for periodic traffic (intr and isoc). */
|
|
typedef struct rx_data
|
|
{
|
|
void *data;
|
|
int length;
|
|
struct list_head list;
|
|
} rx_data_t;
|
|
|
|
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
|