summaryrefslogtreecommitdiffstats
path: root/sys/dev/usb/usb_bus.h
diff options
context:
space:
mode:
authorthompsa <thompsa@FreeBSD.org>2009-02-23 18:31:00 +0000
committerthompsa <thompsa@FreeBSD.org>2009-02-23 18:31:00 +0000
commit111a707d99983acd73c4212036000aa3e88425b6 (patch)
tree691e9b9009214e6138d3913e4c022c897e386667 /sys/dev/usb/usb_bus.h
parent124e83aa64b26f6b00736a45c3e25dfda8c7060e (diff)
downloadFreeBSD-src-111a707d99983acd73c4212036000aa3e88425b6.zip
FreeBSD-src-111a707d99983acd73c4212036000aa3e88425b6.tar.gz
Move the new USB stack into its new home.
Diffstat (limited to 'sys/dev/usb/usb_bus.h')
-rw-r--r--sys/dev/usb/usb_bus.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_bus.h b/sys/dev/usb/usb_bus.h
new file mode 100644
index 0000000..59287c4
--- /dev/null
+++ b/sys/dev/usb/usb_bus.h
@@ -0,0 +1,104 @@
+/* $FreeBSD$ */
+/*-
+ * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
+ *
+ * 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 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 AUTHOR 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.
+ */
+
+#ifndef _USB2_BUS_H_
+#define _USB2_BUS_H_
+
+/*
+ * The following structure defines the USB explore message sent to the
+ * USB explore process.
+ */
+
+struct usb2_bus_msg {
+ struct usb2_proc_msg hdr;
+ struct usb2_bus *bus;
+};
+
+/*
+ * The following structure defines the USB statistics structure.
+ */
+struct usb2_bus_stat {
+ uint32_t uds_requests[4];
+};
+
+/*
+ * The following structure defines an USB BUS. There is one USB BUS
+ * for every Host or Device controller.
+ */
+struct usb2_bus {
+ struct usb2_bus_stat stats_err;
+ struct usb2_bus_stat stats_ok;
+ struct usb2_process explore_proc;
+ struct usb2_process roothub_proc;
+ struct root_hold_token *bus_roothold;
+ /*
+ * There are two callback processes. One for Giant locked
+ * callbacks. One for non-Giant locked callbacks. This should
+ * avoid congestion and reduce response time in most cases.
+ */
+ struct usb2_process giant_callback_proc;
+ struct usb2_process non_giant_callback_proc;
+ struct usb2_bus_msg explore_msg[2];
+ struct usb2_bus_msg detach_msg[2];
+ struct usb2_bus_msg attach_msg[2];
+ struct usb2_bus_msg roothub_msg[2];
+ /*
+ * This mutex protects the USB hardware:
+ */
+ struct mtx bus_mtx;
+ struct usb2_perm perm;
+ struct usb2_xfer_queue intr_q;
+ struct usb2_callout power_wdog; /* power management */
+
+ device_t parent;
+ device_t bdev; /* filled by HC driver */
+
+ struct usb2_dma_parent_tag dma_parent_tag[1];
+ struct usb2_dma_tag dma_tags[USB_BUS_DMA_TAG_MAX];
+
+ struct usb2_bus_methods *methods; /* filled by HC driver */
+ struct usb2_device **devices;
+
+ uint32_t hw_power_state; /* see USB_HW_POWER_XXX */
+ uint32_t uframe_usage[USB_HS_MICRO_FRAMES_MAX];
+ uint32_t transfer_count[4];
+ uint16_t isoc_time_last; /* in milliseconds */
+
+ uint8_t alloc_failed; /* Set if memory allocation failed. */
+ uint8_t driver_added_refcount; /* Current driver generation count */
+ uint8_t usbrev; /* USB revision. See "USB_REV_XXX". */
+
+ uint8_t devices_max; /* maximum number of USB devices */
+ uint8_t do_probe; /* set if USB BUS should be re-probed */
+
+ union {
+ struct usb2_hw_ep_scratch hw_ep_scratch[1];
+ struct usb2_temp_setup temp_setup[1];
+ uint8_t data[128];
+ } scratch[1];
+};
+
+#endif /* _USB2_BUS_H_ */
OpenPOWER on IntegriCloud