diff options
Diffstat (limited to 'rtems/freebsd/dev/usb/usbdi.h')
| -rw-r--r-- | rtems/freebsd/dev/usb/usbdi.h | 562 |
1 files changed, 562 insertions, 0 deletions
diff --git a/rtems/freebsd/dev/usb/usbdi.h b/rtems/freebsd/dev/usb/usbdi.h new file mode 100644 index 00000000..43421019 --- /dev/null +++ b/rtems/freebsd/dev/usb/usbdi.h @@ -0,0 +1,562 @@ +/*- + * Copyright (c) 2009 Andrew Thompson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _USB_USBDI_HH_ +#define _USB_USBDI_HH_ + +struct usb_fifo; +struct usb_xfer; +struct usb_device; +struct usb_attach_arg; +struct usb_interface; +struct usb_endpoint; +struct usb_page_cache; +struct usb_page_search; +struct usb_process; +struct usb_proc_msg; +struct usb_mbuf; +struct mbuf; + +typedef enum { /* keep in sync with usb_errstr_table */ + USB_ERR_NORMAL_COMPLETION = 0, + USB_ERR_PENDING_REQUESTS, /* 1 */ + USB_ERR_NOT_STARTED, /* 2 */ + USB_ERR_INVAL, /* 3 */ + USB_ERR_NOMEM, /* 4 */ + USB_ERR_CANCELLED, /* 5 */ + USB_ERR_BAD_ADDRESS, /* 6 */ + USB_ERR_BAD_BUFSIZE, /* 7 */ + USB_ERR_BAD_FLAG, /* 8 */ + USB_ERR_NO_CALLBACK, /* 9 */ + USB_ERR_IN_USE, /* 10 */ + USB_ERR_NO_ADDR, /* 11 */ + USB_ERR_NO_PIPE, /* 12 */ + USB_ERR_ZERO_NFRAMES, /* 13 */ + USB_ERR_ZERO_MAXP, /* 14 */ + USB_ERR_SET_ADDR_FAILED, /* 15 */ + USB_ERR_NO_POWER, /* 16 */ + USB_ERR_TOO_DEEP, /* 17 */ + USB_ERR_IOERROR, /* 18 */ + USB_ERR_NOT_CONFIGURED, /* 19 */ + USB_ERR_TIMEOUT, /* 20 */ + USB_ERR_SHORT_XFER, /* 21 */ + USB_ERR_STALLED, /* 22 */ + USB_ERR_INTERRUPTED, /* 23 */ + USB_ERR_DMA_LOAD_FAILED, /* 24 */ + USB_ERR_BAD_CONTEXT, /* 25 */ + USB_ERR_NO_ROOT_HUB, /* 26 */ + USB_ERR_NO_INTR_THREAD, /* 27 */ + USB_ERR_NOT_LOCKED, /* 28 */ + USB_ERR_MAX +} usb_error_t; + +/* + * Flags for transfers + */ +#define USB_FORCE_SHORT_XFER 0x0001 /* force a short transmit last */ +#define USB_SHORT_XFER_OK 0x0004 /* allow short reads */ +#define USB_DELAY_STATUS_STAGE 0x0010 /* insert delay before STATUS stage */ +#define USB_USER_DATA_PTR 0x0020 /* internal flag */ +#define USB_MULTI_SHORT_OK 0x0040 /* allow multiple short frames */ +#define USB_MANUAL_STATUS 0x0080 /* manual ctrl status */ + +#define USB_NO_TIMEOUT 0 +#define USB_DEFAULT_TIMEOUT 5000 /* 5000 ms = 5 seconds */ + +#if defined(_KERNEL) +/* typedefs */ + +typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t); +typedef void (usb_proc_callback_t)(struct usb_proc_msg *); +typedef usb_error_t (usb_handle_req_t)(struct usb_device *, + struct usb_device_request *, const void **, uint16_t *); + +typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags); +typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags); +typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags); +typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo); +typedef void (usb_fifo_filter_t)(struct usb_fifo *fifo, struct usb_mbuf *m); + + +/* USB events */ +#include <rtems/freebsd/sys/eventhandler.h> +typedef void (*usb_dev_configured_t)(void *, struct usb_device *, + struct usb_attach_arg *); +EVENTHANDLER_DECLARE(usb_dev_configured, usb_dev_configured_t); + +/* + * The following macros are used used to convert milliseconds into + * HZ. We use 1024 instead of 1000 milliseconds per second to save a + * full division. + */ +#define USB_MS_HZ 1024 + +#define USB_MS_TO_TICKS(ms) \ + (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ) + +/* + * Common queue structure for USB transfers. + */ +struct usb_xfer_queue { + TAILQ_HEAD(, usb_xfer) head; + struct usb_xfer *curr; /* current USB transfer processed */ + void (*command) (struct usb_xfer_queue *pq); + uint8_t recurse_1:1; + uint8_t recurse_2:1; +}; + +/* + * The following structure defines an USB endpoint + * USB endpoint. + */ +struct usb_endpoint { + struct usb_xfer_queue endpoint_q; /* queue of USB transfers */ + + struct usb_endpoint_descriptor *edesc; + struct usb_endpoint_ss_comp_descriptor *ecomp; + struct usb_pipe_methods *methods; /* set by HC driver */ + + uint16_t isoc_next; + + uint8_t toggle_next:1; /* next data toggle value */ + uint8_t is_stalled:1; /* set if endpoint is stalled */ + uint8_t is_synced:1; /* set if we a synchronised */ + uint8_t unused:5; + uint8_t iface_index; /* not used by "default endpoint" */ + + uint8_t refcount_alloc; /* allocation refcount */ + uint8_t refcount_bw; /* bandwidth refcount */ +#define USB_EP_REF_MAX 0x3f + + /* High-Speed resource allocation (valid if "refcount_bw" > 0) */ + + uint8_t usb_smask; /* USB start mask */ + uint8_t usb_cmask; /* USB complete mask */ + uint8_t usb_uframe; /* USB microframe */ +}; + +/* + * The following structure defines an USB interface. + */ +struct usb_interface { + struct usb_interface_descriptor *idesc; + device_t subdev; + uint8_t alt_index; + uint8_t parent_iface_index; + + /* Linux compat */ + struct usb_host_interface *altsetting; + struct usb_host_interface *cur_altsetting; + struct usb_device *linux_udev; + void *bsd_priv_sc; /* device specific information */ + uint8_t num_altsetting; /* number of alternate settings */ + uint8_t bsd_iface_index; +}; + +/* + * The following structure defines a set of USB transfer flags. + */ +struct usb_xfer_flags { + uint8_t force_short_xfer:1; /* force a short transmit transfer + * last */ + uint8_t short_xfer_ok:1; /* allow short receive transfers */ + uint8_t short_frames_ok:1; /* allow short frames */ + uint8_t pipe_bof:1; /* block pipe on failure */ + uint8_t proxy_buffer:1; /* makes buffer size a factor of + * "max_frame_size" */ + uint8_t ext_buffer:1; /* uses external DMA buffer */ + uint8_t manual_status:1; /* non automatic status stage on + * control transfers */ + uint8_t no_pipe_ok:1; /* set if "USB_ERR_NO_PIPE" error can + * be ignored */ + uint8_t stall_pipe:1; /* set if the endpoint belonging to + * this USB transfer should be stalled + * before starting this transfer! */ +}; + +/* + * The following structure define an USB configuration, that basically + * is used when setting up an USB transfer. + */ +struct usb_config { + usb_callback_t *callback; /* USB transfer callback */ + usb_frlength_t bufsize; /* total pipe buffer size in bytes */ + usb_frcount_t frames; /* maximum number of USB frames */ + usb_timeout_t interval; /* interval in milliseconds */ +#define USB_DEFAULT_INTERVAL 0 + usb_timeout_t timeout; /* transfer timeout in milliseconds */ + struct usb_xfer_flags flags; /* transfer flags */ + enum usb_hc_mode usb_mode; /* host or device mode */ + uint8_t type; /* pipe type */ + uint8_t endpoint; /* pipe number */ + uint8_t direction; /* pipe direction */ + uint8_t ep_index; /* pipe index match to use */ + uint8_t if_index; /* "ifaces" index to use */ +}; + +/* + * The following structure is used when looking up an USB driver for + * an USB device. It is inspired by the Linux structure called + * "usb_device_id". + */ +struct usb_device_id { + + /* Hook for driver specific information */ + unsigned long driver_info; + + /* Used for product specific matches; the BCD range is inclusive */ + uint16_t idVendor; + uint16_t idProduct; + uint16_t bcdDevice_lo; + uint16_t bcdDevice_hi; + + /* Used for device class matches */ + uint8_t bDeviceClass; + uint8_t bDeviceSubClass; + uint8_t bDeviceProtocol; + + /* Used for interface class matches */ + uint8_t bInterfaceClass; + uint8_t bInterfaceSubClass; + uint8_t bInterfaceProtocol; + + /* Select which fields to match against */ + uint8_t match_flag_vendor:1; + uint8_t match_flag_product:1; + uint8_t match_flag_dev_lo:1; + uint8_t match_flag_dev_hi:1; + uint8_t match_flag_dev_class:1; + uint8_t match_flag_dev_subclass:1; + uint8_t match_flag_dev_protocol:1; + uint8_t match_flag_int_class:1; + uint8_t match_flag_int_subclass:1; + uint8_t match_flag_int_protocol:1; + +#if USB_HAVE_COMPAT_LINUX + /* which fields to match against */ + uint16_t match_flags; +#define USB_DEVICE_ID_MATCH_VENDOR 0x0001 +#define USB_DEVICE_ID_MATCH_PRODUCT 0x0002 +#define USB_DEVICE_ID_MATCH_DEV_LO 0x0004 +#define USB_DEVICE_ID_MATCH_DEV_HI 0x0008 +#define USB_DEVICE_ID_MATCH_DEV_CLASS 0x0010 +#define USB_DEVICE_ID_MATCH_DEV_SUBCLASS 0x0020 +#define USB_DEVICE_ID_MATCH_DEV_PROTOCOL 0x0040 +#define USB_DEVICE_ID_MATCH_INT_CLASS 0x0080 +#define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100 +#define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 +#endif +}; + +#define USB_VENDOR(vend) \ + .match_flag_vendor = 1, .idVendor = (vend) + +#define USB_PRODUCT(prod) \ + .match_flag_product = 1, .idProduct = (prod) + +#define USB_VP(vend,prod) \ + USB_VENDOR(vend), USB_PRODUCT(prod) + +#define USB_VPI(vend,prod,info) \ + USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info) + +#define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \ + .match_flag_dev_lo = 1, .bcdDevice_lo = (lo) + +#define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \ + .match_flag_dev_hi = 1, .bcdDevice_hi = (hi) + +#define USB_DEV_CLASS(dc) \ + .match_flag_dev_class = 1, .bDeviceClass = (dc) + +#define USB_DEV_SUBCLASS(dsc) \ + .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc) + +#define USB_DEV_PROTOCOL(dp) \ + .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp) + +#define USB_IFACE_CLASS(ic) \ + .match_flag_int_class = 1, .bInterfaceClass = (ic) + +#define USB_IFACE_SUBCLASS(isc) \ + .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc) + +#define USB_IFACE_PROTOCOL(ip) \ + .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip) + +#define USB_IF_CSI(class,subclass,info) \ + USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info) + +#define USB_DRIVER_INFO(n) \ + .driver_info = (n) + +#define USB_GET_DRIVER_INFO(did) \ + (did)->driver_info + +/* + * The following structure keeps information that is used to match + * against an array of "usb_device_id" elements. + */ +struct usbd_lookup_info { + uint16_t idVendor; + uint16_t idProduct; + uint16_t bcdDevice; + uint8_t bDeviceClass; + uint8_t bDeviceSubClass; + uint8_t bDeviceProtocol; + uint8_t bInterfaceClass; + uint8_t bInterfaceSubClass; + uint8_t bInterfaceProtocol; + uint8_t bIfaceIndex; + uint8_t bIfaceNum; + uint8_t bConfigIndex; + uint8_t bConfigNum; +}; + +/* Structure used by probe and attach */ + +struct usb_attach_arg { + struct usbd_lookup_info info; + device_t temp_dev; /* for internal use */ + unsigned long driver_info; /* for internal use */ + void *driver_ivar; + struct usb_device *device; /* current device */ + struct usb_interface *iface; /* current interface */ + enum usb_hc_mode usb_mode; /* host or device mode */ + uint8_t port; + uint8_t use_generic; /* hint for generic drivers */ + uint8_t dev_state; +#define UAA_DEV_READY 0 +#define UAA_DEV_DISABLED 1 +#define UAA_DEV_EJECTING 2 +}; + +/* + * The following is a wrapper for the callout structure to ease + * porting the code to other platforms. + */ +struct usb_callout { + struct callout co; +}; +#define usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f) +#define usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d) +#define usb_callout_stop(c) callout_stop(&(c)->co) +#define usb_callout_drain(c) callout_drain(&(c)->co) +#define usb_callout_pending(c) callout_pending(&(c)->co) + +/* USB transfer states */ + +#define USB_ST_SETUP 0 +#define USB_ST_TRANSFERRED 1 +#define USB_ST_ERROR 2 + +/* USB handle request states */ +#define USB_HR_NOT_COMPLETE 0 +#define USB_HR_COMPLETE_OK 1 +#define USB_HR_COMPLETE_ERR 2 + +/* + * The following macro will return the current state of an USB + * transfer like defined by the "USB_ST_XXX" enums. + */ +#define USB_GET_STATE(xfer) (usbd_xfer_state(xfer)) + +/* + * The following structure defines the USB process message header. + */ +struct usb_proc_msg { + TAILQ_ENTRY(usb_proc_msg) pm_qentry; + usb_proc_callback_t *pm_callback; + usb_size_t pm_num; +}; + +#define USB_FIFO_TX 0 +#define USB_FIFO_RX 1 + +/* + * Locking note for the following functions. All the + * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called + * locked. The others are called unlocked. + */ +struct usb_fifo_methods { + usb_fifo_open_t *f_open; + usb_fifo_close_t *f_close; + usb_fifo_ioctl_t *f_ioctl; + /* + * NOTE: The post-ioctl callback is called after the USB reference + * gets locked in the IOCTL handler: + */ + usb_fifo_ioctl_t *f_ioctl_post; + usb_fifo_cmd_t *f_start_read; + usb_fifo_cmd_t *f_stop_read; + usb_fifo_cmd_t *f_start_write; + usb_fifo_cmd_t *f_stop_write; + usb_fifo_filter_t *f_filter_read; + usb_fifo_filter_t *f_filter_write; + const char *basename[4]; + const char *postfix[4]; +}; + +struct usb_fifo_sc { + struct usb_fifo *fp[2]; + struct cdev* dev; +}; + +const char *usbd_errstr(usb_error_t error); +void *usbd_find_descriptor(struct usb_device *udev, void *id, + uint8_t iface_index, uint8_t type, uint8_t type_mask, + uint8_t subtype, uint8_t subtype_mask); +struct usb_config_descriptor *usbd_get_config_descriptor( + struct usb_device *udev); +struct usb_device_descriptor *usbd_get_device_descriptor( + struct usb_device *udev); +struct usb_interface *usbd_get_iface(struct usb_device *udev, + uint8_t iface_index); +struct usb_interface_descriptor *usbd_get_interface_descriptor( + struct usb_interface *iface); +struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index, + const struct usb_config *setup); +struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val); +usb_error_t usbd_interface_count(struct usb_device *udev, uint8_t *count); +enum usb_hc_mode usbd_get_mode(struct usb_device *udev); +enum usb_dev_speed usbd_get_speed(struct usb_device *udev); +void device_set_usb_desc(device_t dev); +void usb_pause_mtx(struct mtx *mtx, int _ticks); + +const struct usb_device_id *usbd_lookup_id_by_info( + const struct usb_device_id *id, usb_size_t sizeof_id, + const struct usbd_lookup_info *info); +int usbd_lookup_id_by_uaa(const struct usb_device_id *id, + usb_size_t sizeof_id, struct usb_attach_arg *uaa); + +usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx, + struct usb_device_request *req, void *data, uint16_t flags, + uint16_t *actlen, usb_timeout_t timeout); +#define usbd_do_request(u,m,r,d) \ + usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT) + +uint8_t usbd_clear_stall_callback(struct usb_xfer *xfer1, + struct usb_xfer *xfer2); +uint8_t usbd_get_interface_altindex(struct usb_interface *iface); +usb_error_t usbd_set_alt_interface_index(struct usb_device *udev, + uint8_t iface_index, uint8_t alt_index); +uint32_t usbd_get_isoc_fps(struct usb_device *udev); +usb_error_t usbd_transfer_setup(struct usb_device *udev, + const uint8_t *ifaces, struct usb_xfer **pxfer, + const struct usb_config *setup_start, uint16_t n_setup, + void *priv_sc, struct mtx *priv_mtx); +void usbd_transfer_submit(struct usb_xfer *xfer); +void usbd_transfer_clear_stall(struct usb_xfer *xfer); +void usbd_transfer_drain(struct usb_xfer *xfer); +uint8_t usbd_transfer_pending(struct usb_xfer *xfer); +void usbd_transfer_start(struct usb_xfer *xfer); +void usbd_transfer_stop(struct usb_xfer *xfer); +void usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup); +void usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max); +void usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index, + uint8_t parent_index); +uint8_t usbd_get_bus_index(struct usb_device *udev); +uint8_t usbd_get_device_index(struct usb_device *udev); +void usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode); +uint8_t usbd_filter_power_mode(struct usb_device *udev, uint8_t power_mode); +uint8_t usbd_device_attached(struct usb_device *udev); + +void usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen, + int *aframes, int *nframes); +struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *xfer, + usb_frcount_t frindex); +void *usbd_xfer_softc(struct usb_xfer *xfer); +void *usbd_xfer_get_priv(struct usb_xfer *xfer); +void usbd_xfer_set_priv(struct usb_xfer *xfer, void *); +void usbd_xfer_set_interval(struct usb_xfer *xfer, int); +uint8_t usbd_xfer_state(struct usb_xfer *xfer); +void usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, + void *ptr, usb_frlength_t len); +void usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, + void **ptr, int *len); +void usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset, + usb_frcount_t frindex); +usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer); +usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer); +usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer); +uint8_t usbd_xfer_get_fps_shift(struct usb_xfer *xfer); +usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer, + usb_frcount_t frindex); +void usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex, + usb_frlength_t len); +void usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout); +void usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n); +void usbd_xfer_set_stall(struct usb_xfer *xfer); +int usbd_xfer_is_stalled(struct usb_xfer *xfer); +void usbd_xfer_set_flag(struct usb_xfer *xfer, int flag); +void usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag); +uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer); + +void usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset, + const void *ptr, usb_frlength_t len); +int usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset, + const void *ptr, usb_frlength_t len); +void usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset, + void *ptr, usb_frlength_t len); +int usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset, + void *ptr, usb_frlength_t len); +void usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset, + struct usb_page_search *res); +void usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset, + struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len); +void usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset, + usb_frlength_t len); + +int usb_fifo_attach(struct usb_device *udev, void *priv_sc, + struct mtx *priv_mtx, struct usb_fifo_methods *pm, + struct usb_fifo_sc *f_sc, uint16_t unit, uint16_t subunit, + uint8_t iface_index, uid_t uid, gid_t gid, int mode); +void usb_fifo_detach(struct usb_fifo_sc *f_sc); +int usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize, + uint16_t nbuf); +void usb_fifo_free_buffer(struct usb_fifo *f); +uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo); +void usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc, + usb_frlength_t offset, usb_frlength_t len, uint8_t what); +void usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr, + usb_size_t len, uint8_t what); +uint8_t usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len); +void usb_fifo_put_data_error(struct usb_fifo *fifo); +uint8_t usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc, + usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen, + uint8_t what); +uint8_t usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr, + usb_size_t len, usb_size_t *actlen, uint8_t what); +uint8_t usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr, + usb_size_t *plen); +void usb_fifo_reset(struct usb_fifo *f); +void usb_fifo_wakeup(struct usb_fifo *f); +void usb_fifo_get_data_error(struct usb_fifo *fifo); +void *usb_fifo_softc(struct usb_fifo *fifo); +void usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t); +void usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t); +void usb_fifo_free(struct usb_fifo *f); +#endif /* _KERNEL */ +#endif /* _USB_USBDI_HH_ */ |