3 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5 * Copyright (c) 2008-2019 Hans Petter Selasky. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _USB_DEVICE_H_
30 #define _USB_DEVICE_H_
32 #ifndef USB_GLOBAL_INCLUDE_FILE
33 #include <dev/usb/usb_core.h>
34 #include <dev/usb/usb_busdma.h>
35 #include <dev/usb/usb_transfer.h>
38 struct usb_bus_methods;
39 struct usb_config_descriptor;
40 struct usb_device; /* linux compat */
41 struct usb_fs_privdata;
42 struct usb_hw_ep_profile;
43 struct usb_symlink; /* UGEN */
45 #define USB_CTRL_XFER_MAX 2
47 /* "usb_config_parse()" commands */
49 #define USB_CFG_ALLOC 0
50 #define USB_CFG_FREE 1
51 #define USB_CFG_INIT 2
53 /* "usb_unconfigure()" flags */
55 #define USB_UNCFG_FLAG_NONE 0x00
56 #define USB_UNCFG_FLAG_FREE_EP0 0x02 /* endpoint zero is freed */
59 struct usb_proc_msg hdr;
60 struct usb_device *udev;
63 /* The following four structures makes up a tree, where we have the
64 * leaf structure, "usb_host_endpoint", first, and the root structure,
65 * "usb_device", last. The four structures below mirror the structure
66 * of the USB descriptors belonging to an USB configuration. Please
67 * refer to the USB specification for a definition of "endpoints" and
70 struct usb_host_endpoint {
71 struct usb_endpoint_descriptor desc;
72 TAILQ_HEAD(, urb) bsd_urb_list;
73 struct usb_xfer *bsd_xfer[2];
74 uint8_t *extra; /* Extra descriptors */
75 usb_frlength_t fbsd_buf_size;
77 uint8_t bsd_iface_index;
78 } __aligned(USB_HOST_ALIGN);
80 struct usb_host_interface {
81 struct usb_interface_descriptor desc;
82 /* the following array has size "desc.bNumEndpoint" */
83 struct usb_host_endpoint *endpoint;
84 const char *string; /* iInterface string, if present */
85 uint8_t *extra; /* Extra descriptors */
87 uint8_t bsd_iface_index;
88 } __aligned(USB_HOST_ALIGN);
91 * The following structure defines the USB device flags.
93 struct usb_device_flags {
94 enum usb_hc_mode usb_mode; /* host or device mode */
95 uint8_t self_powered:1; /* set if USB device is self powered */
96 uint8_t no_strings:1; /* set if USB device does not support
98 uint8_t remote_wakeup:1; /* set if remote wakeup is enabled */
99 uint8_t uq_bus_powered:1; /* set if BUS powered quirk is present */
102 * NOTE: Although the flags below will reach the same value
103 * over time, but the instant values may differ, and
104 * consequently the flags cannot be merged into one!
106 uint8_t peer_suspended:1; /* set if peer is suspended */
107 uint8_t self_suspended:1; /* set if self is suspended */
111 * The following structure is used for power-save purposes. The data
112 * in this structure is protected by the USB BUS lock.
114 struct usb_power_save {
115 usb_ticks_t last_xfer_time; /* copy of "ticks" */
116 usb_size_t type_refs[4]; /* transfer reference count */
117 usb_size_t read_refs; /* data read references */
118 usb_size_t write_refs; /* data write references */
122 * The following structure is used when trying to allocate hardware
123 * endpoints for an USB configuration in USB device side mode.
125 struct usb_hw_ep_scratch_sub {
126 const struct usb_hw_ep_profile *pf;
127 uint16_t max_frame_size;
128 uint8_t hw_endpoint_out;
129 uint8_t hw_endpoint_in;
130 uint8_t needs_ep_type;
136 * The following structure is used when trying to allocate hardware
137 * endpoints for an USB configuration in USB device side mode.
139 struct usb_hw_ep_scratch {
140 struct usb_hw_ep_scratch_sub ep[USB_EP_MAX];
141 struct usb_hw_ep_scratch_sub *ep_max;
142 struct usb_config_descriptor *cd;
143 struct usb_device *udev;
144 const struct usb_bus_methods *methods;
145 uint8_t bmOutAlloc[(USB_EP_MAX + 15) / 16];
146 uint8_t bmInAlloc[(USB_EP_MAX + 15) / 16];
150 * The following structure is used when generating USB descriptors
151 * from USB templates.
153 struct usb_temp_setup {
156 enum usb_dev_speed usb_speed;
157 uint8_t self_powered;
158 uint8_t bNumEndpoints;
159 uint8_t bInterfaceNumber;
160 uint8_t bAlternateSetting;
161 uint8_t bConfigurationValue;
166 * The scratch area for USB devices. Access to this structure is
167 * protected by the control SX lock.
169 union usb_device_scratch {
170 struct usb_hw_ep_scratch hw_ep_scratch[1];
171 struct usb_temp_setup temp_setup[1];
173 struct usb_xfer dummy;
174 struct usb_setup_params parm;
180 * Helper structure to keep track of USB device statistics.
182 struct usb_device_statistics {
183 uint32_t uds_requests[4];
187 * The following structure defines an USB device. There exists one of
188 * these structures for every USB device.
192 struct usb_device_statistics stats_err;
193 struct usb_device_statistics stats_ok;
194 struct usb_device_statistics stats_cancelled;
196 /* generic clear stall message */
197 struct usb_udev_msg cs_msg[2];
201 struct mtx device_mtx;
202 struct cv ctrlreq_cv;
204 #if (USB_HAVE_FIXED_IFACE == 0)
205 struct usb_interface *ifaces;
207 struct usb_interface ifaces[USB_IFACE_MAX];
209 struct usb_endpoint ctrl_ep; /* Control Endpoint 0 */
210 #if (USB_HAVE_FIXED_ENDPOINT == 0)
211 struct usb_endpoint *endpoints;
213 struct usb_endpoint endpoints[USB_MAX_EP_UNITS];
215 struct usb_power_save pwr_save;/* power save data */
216 struct usb_bus *bus; /* our USB BUS */
217 device_t parent_dev; /* parent device */
218 struct usb_device *parent_hub;
219 struct usb_device *parent_hs_hub; /* high-speed parent HUB */
220 struct usb_config_descriptor *cdesc; /* full config descr */
221 struct usb_hub *hub; /* only if this is a hub */
222 struct usb_xfer *ctrl_xfer[USB_CTRL_XFER_MAX];
223 struct usb_temp_data *usb_template_ptr;
224 struct usb_endpoint *ep_curr; /* current clear stall endpoint */
226 struct usb_fifo *fifo[USB_FIFO_MAX];
227 struct usb_symlink *ugen_symlink; /* our generic symlink */
228 struct usb_fs_privdata *ctrl_dev; /* Control Endpoint 0 device node */
229 LIST_HEAD(,usb_fs_privdata) pd_list;
230 char ugen_name[20]; /* name of ugenX.X device */
232 usb_ticks_t plugtime; /* copy of "ticks" */
234 enum usb_dev_state state;
235 enum usb_dev_speed speed;
237 #define USB_DEV_REF_MAX 0xffff
239 uint16_t power; /* mA the device uses */
240 uint16_t langid; /* language for strings */
241 uint16_t autoQuirk[USB_MAX_AUTO_QUIRK]; /* dynamic quirks */
243 uint8_t address; /* device addess */
244 uint8_t device_index; /* device index in "bus->devices" */
245 uint8_t controller_slot_id; /* controller specific value */
246 uint8_t next_config_index; /* used by USB_RE_ENUM_SET_CONFIG */
247 uint8_t curr_config_index; /* current configuration index */
248 uint8_t curr_config_no; /* current configuration number */
249 uint8_t depth; /* distance from root HUB */
250 uint8_t port_index; /* parent HUB port index */
251 uint8_t port_no; /* parent HUB port number */
252 uint8_t hs_hub_addr; /* high-speed HUB address */
253 uint8_t hs_port_no; /* high-speed HUB port number */
254 uint8_t driver_added_refcount; /* our driver added generation count */
255 uint8_t power_mode; /* see USB_POWER_XXX */
256 uint8_t re_enumerate_wait; /* set if re-enum. is in progress */
257 #define USB_RE_ENUM_DONE 0
258 #define USB_RE_ENUM_START 1
259 #define USB_RE_ENUM_PWR_OFF 2
260 #define USB_RE_ENUM_SET_CONFIG 3
261 uint8_t ifaces_max; /* number of interfaces present */
262 uint8_t endpoints_max; /* number of endpoints present */
264 /* the "flags" field is write-protected by "bus->mtx" */
266 struct usb_device_flags flags;
268 struct usb_endpoint_descriptor ctrl_ep_desc; /* for endpoint 0 */
269 struct usb_endpoint_ss_comp_descriptor ctrl_ep_comp_desc; /* for endpoint 0 */
270 struct usb_device_descriptor ddesc; /* device descriptor */
272 char *serial; /* serial number, can be NULL */
273 char *manufacturer; /* manufacturer string, can be NULL */
274 char *product; /* product string, can be NULL */
276 #if USB_HAVE_COMPAT_LINUX
278 struct usb_device_descriptor descriptor;
279 struct usb_host_endpoint ep0;
280 struct usb_interface *linux_iface_start;
281 struct usb_interface *linux_iface_end;
282 struct usb_host_endpoint *linux_endpoint_start;
283 struct usb_host_endpoint *linux_endpoint_end;
287 uint32_t clear_stall_errors; /* number of clear-stall failures */
289 union usb_device_scratch scratch;
291 #if (USB_HAVE_FIXED_CONFIG != 0)
292 uint32_t config_data[(USB_CONFIG_MAX + 3) / 4];
298 extern int usb_template;
300 /* function prototypes */
302 const char *usb_statestr(enum usb_dev_state state);
303 struct usb_device *usb_alloc_device(device_t parent_dev, struct usb_bus *bus,
304 struct usb_device *parent_hub, uint8_t depth,
305 uint8_t port_index, uint8_t port_no,
306 enum usb_dev_speed speed, enum usb_hc_mode mode);
308 struct usb_fs_privdata *usb_make_dev(struct usb_device *, const char *,
309 int, int, int, uid_t, gid_t, int);
310 void usb_destroy_dev(struct usb_fs_privdata *);
311 void usb_destroy_dev_sync(struct usb_fs_privdata *);
313 usb_error_t usb_probe_and_attach(struct usb_device *udev,
314 uint8_t iface_index);
315 void usb_detach_device(struct usb_device *, uint8_t, uint8_t);
316 usb_error_t usb_reset_iface_endpoints(struct usb_device *udev,
317 uint8_t iface_index);
318 usb_error_t usbd_set_config_index(struct usb_device *udev, uint8_t index);
319 usb_error_t usbd_set_endpoint_stall(struct usb_device *udev,
320 struct usb_endpoint *ep, uint8_t do_stall);
321 usb_error_t usb_suspend_resume(struct usb_device *udev,
323 void usb_devinfo(struct usb_device *udev, char *dst_ptr, uint16_t dst_len);
324 void usb_free_device(struct usb_device *, uint8_t);
325 void usb_linux_free_device(struct usb_device *dev);
326 uint8_t usb_peer_can_wakeup(struct usb_device *udev);
327 struct usb_endpoint *usb_endpoint_foreach(struct usb_device *udev, struct usb_endpoint *ep);
328 void usb_set_device_state(struct usb_device *, enum usb_dev_state);
329 enum usb_dev_state usb_get_device_state(struct usb_device *);
331 void usb_set_device_strings(struct usb_device *);
332 void usb_get_langid(struct usb_device *);
334 uint8_t usbd_enum_lock(struct usb_device *);
336 uint8_t usbd_enum_lock_sig(struct usb_device *);
338 void usbd_enum_unlock(struct usb_device *);
339 void usbd_sr_lock(struct usb_device *);
340 void usbd_sr_unlock(struct usb_device *);
341 uint8_t usbd_ctrl_lock(struct usb_device *);
342 void usbd_ctrl_unlock(struct usb_device *);
343 uint8_t usbd_enum_is_locked(struct usb_device *);
345 #if USB_HAVE_TT_SUPPORT
346 void uhub_tt_buffer_reset_async_locked(struct usb_device *, struct usb_endpoint *);
349 uint8_t uhub_count_active_host_ports(struct usb_device *, enum usb_dev_speed);
351 #endif /* _USB_DEVICE_H_ */