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NetBSD/sys/dev/usb/usbdivar.h
augustss 0d2fabdf26 A number of stylistic changes to increase readability (many suggested 
by Nick Hibma):
	use NULL not 0
	declare all local definitions static
	rename s/usbd_request/usbd_xfer/ s/reqh/xfer/
	rename s/r/err/
	use implicit test for no err
	KNF
1999-11-12 00:34:57 +00:00

279 lines
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/* $NetBSD: usbdivar.h,v 1.40 1999/11/12 00:34:58 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@carlstedt.se) at
* Carlstedt Research & Technology.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
/* From usb_mem.h */
DECLARE_USB_DMA_T;
struct usbd_xfer;
struct usbd_pipe;
struct usbd_endpoint {
usb_endpoint_descriptor_t *edesc;
int refcnt;
};
struct usbd_bus_methods {
usbd_status (*open_pipe)__P((struct usbd_pipe *pipe));
void (*do_poll)__P((struct usbd_bus *));
usbd_status (*allocm)__P((struct usbd_bus *, usb_dma_t *,
u_int32_t bufsize));
void (*freem)__P((struct usbd_bus *, usb_dma_t *));
};
struct usbd_pipe_methods {
usbd_status (*transfer)__P((usbd_xfer_handle xfer));
usbd_status (*start)__P((usbd_xfer_handle xfer));
void (*abort)__P((usbd_xfer_handle xfer));
void (*close)__P((usbd_pipe_handle pipe));
void (*cleartoggle)__P((usbd_pipe_handle pipe));
void (*done)__P((usbd_xfer_handle xfer));
};
struct usbd_port {
usb_port_status_t status;
u_int16_t power; /* mA of current on port */
u_int8_t portno;
u_int8_t restartcnt;
#define USBD_RESTART_MAX 5
struct usbd_device *device;
struct usbd_device *parent; /* The ports hub */
};
struct usbd_hub {
usbd_status (*explore)__P((usbd_device_handle hub));
void *hubsoftc;
usb_hub_descriptor_t hubdesc;
struct usbd_port ports[1];
};
struct usb_softc;
/*****/
struct usbd_bus {
/* Filled by HC driver */
USBBASEDEVICE bdev; /* base device, host adapter */
struct usbd_bus_methods *methods;
u_int32_t pipe_size; /* size of a pipe struct */
/* Filled by usb driver */
struct usbd_device *root_hub;
usbd_device_handle devices[USB_MAX_DEVICES];
char needs_explore;/* a hub a signalled a change */
char use_polling;
struct usb_softc *usbctl;
struct usb_device_stats stats;
int intr_context;
u_int no_intrs;
#if defined(__NetBSD__) || defined(__OpenBSD__)
bus_dma_tag_t dmatag; /* DMA tag */
#endif
};
struct usbd_device {
struct usbd_bus *bus;
struct usbd_pipe *default_pipe;
u_int8_t address;
u_int8_t depth;
u_int8_t lowspeed;
u_int16_t power;
u_int8_t self_powered;
int config;
int langid; /* language to use for strings */
#define USBD_NOLANG (-1)
usb_event_cookie_t cookie; /* unique connection id */
struct usbd_port *powersrc;
struct usbd_endpoint def_ep; /* for pipe 0 */
usb_endpoint_descriptor_t def_ep_desc; /* for pipe 0 */
struct usbd_interface *ifaces;
usb_device_descriptor_t ddesc;
usb_config_descriptor_t *cdesc; /* full config descr */
struct usbd_quirks *quirks;
struct usbd_hub *hub; /* only if this is a hub */
device_ptr_t *subdevs; /* sub-devices, 0 terminated */
};
struct usbd_interface {
struct usbd_device *device;
usb_interface_descriptor_t *idesc;
int index;
int altindex;
struct usbd_endpoint *endpoints;
void *priv;
LIST_HEAD(, usbd_pipe) pipes;
};
struct usbd_pipe {
struct usbd_interface *iface;
struct usbd_device *device;
struct usbd_endpoint *endpoint;
int refcnt;
char running;
SIMPLEQ_HEAD(, usbd_xfer) queue;
LIST_ENTRY(usbd_pipe) next;
usbd_xfer_handle intrxfer; /* used for repeating requests */
char repeat;
/* Filled by HC driver. */
struct usbd_pipe_methods *methods;
};
struct usbd_xfer {
struct usbd_pipe *pipe;
void *priv;
void *buffer;
u_int32_t length;
u_int32_t actlen;
u_int16_t flags;
u_int32_t timeout;
usbd_status status;
usbd_callback callback;
__volatile char done;
/* For control pipe */
usb_device_request_t request;
/* For isoc */
u_int16_t *frlengths;
int nframes;
/* For memory allocation */
struct usbd_device *device;
usb_dma_t dmabuf;
int rqflags;
#define URQ_REQUEST 0x01
#define URQ_AUTO_DMABUF 0x10
#define URQ_DEV_DMABUF 0x20
SIMPLEQ_ENTRY(usbd_xfer) next;
void *hcpriv; /* private use by the HC driver */
int hcprivint; /* ditto */
#if defined(__FreeBSD__)
struct callout_handle timo_handle;
#endif
};
void usbd_init __P((void));
void usbd_finish __P((void));
/* Routines from usb_subr.c */
int usbctlprint __P((void *, const char *));
void usb_delay_ms __P((usbd_bus_handle, u_int));
void usbd_devinfo_vp __P((usbd_device_handle, char *, char *));
usbd_status usbd_reset_port __P((usbd_device_handle dev,
int port, usb_port_status_t *ps));
usbd_status usbd_setup_pipe __P((usbd_device_handle dev,
usbd_interface_handle iface,
struct usbd_endpoint *,
usbd_pipe_handle *pipe));
usbd_status usbd_new_device __P((device_ptr_t parent,
usbd_bus_handle bus, int depth,
int lowspeed, int port,
struct usbd_port *));
void usbd_remove_device __P((usbd_device_handle,
struct usbd_port *));
int usbd_printBCD __P((char *cp, int bcd));
usbd_status usbd_fill_iface_data __P((usbd_device_handle dev,
int i, int a));
void usb_free_device __P((usbd_device_handle));
usbd_status usb_insert_transfer __P((usbd_xfer_handle xfer));
void usb_transfer_complete __P((usbd_xfer_handle xfer));
void usb_disconnect_port __P((struct usbd_port *up, device_ptr_t));
/* Routines from usb.c */
int usb_bus_count __P((void));
void usb_needs_explore __P((usbd_bus_handle));
#ifdef DIAGNOSTIC
#define SPLUSBCHECK \
do { int _s = splusb(), _su = splusb(); \
extern int cold; \
if (!cold && _s != _su) printf("SPLUSBCHECK failed 0x%x!=0x%x, %s:%d\n", \
_s, _su, __FILE__, __LINE__); \
splx(_s); \
} while (0)
#else
#define SPLUSBCHECK
#endif
/* Locator stuff. */
#if defined(__NetBSD__)
#include "locators.h"
#elif defined(__FreeBSD__) || defined(__OpenBSD__)
/* XXX these values are used to statically bind some elements in the USB tree
* to specific driver instances. This should be somehow emulated in FreeBSD
* but can be done later on.
* The values are copied from the files.usb file in the NetBSD sources.
*/
#define UHUBCF_PORT_DEFAULT -1
#define UHUBCF_CONFIGURATION_DEFAULT -1
#define UHUBCF_INTERFACE_DEFAULT -1
#define UHUBCF_VENDOR_DEFAULT -1
#define UHUBCF_PRODUCT_DEFAULT -1
#define UHUBCF_RELEASE_DEFAULT -1
#endif
#if defined (__OpenBSD__)
#define UHUBCF_PORT 0
#define UHUBCF_CONFIGURATION 1
#define UHUBCF_INTERFACE 2
#define UHUBCF_VENDOR 3
#define UHUBCF_PRODUCT 4
#define UHUBCF_RELEASE 5
#endif
#define uhubcf_port cf_loc[UHUBCF_PORT]
#define uhubcf_configuration cf_loc[UHUBCF_CONFIGURATION]
#define uhubcf_interface cf_loc[UHUBCF_INTERFACE]
#define uhubcf_vendor cf_loc[UHUBCF_VENDOR]
#define uhubcf_product cf_loc[UHUBCF_PRODUCT]
#define uhubcf_release cf_loc[UHUBCF_RELEASE]
#define UHUB_UNK_PORT UHUBCF_PORT_DEFAULT /* wildcarded 'port' */
#define UHUB_UNK_CONFIGURATION UHUBCF_CONFIGURATION_DEFAULT /* wildcarded 'configuration' */
#define UHUB_UNK_INTERFACE UHUBCF_INTERFACE_DEFAULT /* wildcarded 'interface' */
#define UHUB_UNK_VENDOR UHUBCF_VENDOR_DEFAULT /* wildcarded 'vendor' */
#define UHUB_UNK_PRODUCT UHUBCF_PRODUCT_DEFAULT /* wildcarded 'product' */
#define UHUB_UNK_RELEASE UHUBCF_RELEASE_DEFAULT /* wildcarded 'release' */
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