3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #ifndef _USB2_CONTROLLER_H_
28 #define _USB2_CONTROLLER_H_
32 #define USB_BUS_DMA_TAG_MAX 8
34 /* structure prototypes */
39 struct usb2_page_cache;
40 struct usb2_setup_params;
41 struct usb2_hw_ep_profile;
42 struct usb2_fs_isoc_schedule;
43 struct usb2_config_descriptor;
44 struct usb2_endpoint_descriptor;
48 typedef void (usb2_bus_mem_sub_cb_t)(struct usb2_bus *bus, struct usb2_page_cache *pc, struct usb2_page *pg, uint32_t size, uint32_t align);
49 typedef void (usb2_bus_mem_cb_t)(struct usb2_bus *bus, usb2_bus_mem_sub_cb_t *scb);
52 * The following structure is used to define all the USB BUS
55 struct usb2_bus_methods {
57 /* USB Device and Host mode - Mandatory */
59 void (*pipe_init) (struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, struct usb2_pipe *pipe);
60 void (*xfer_setup) (struct usb2_setup_params *parm);
61 void (*xfer_unsetup) (struct usb2_xfer *xfer);
62 void (*get_dma_delay) (struct usb2_bus *, uint32_t *pdelay);
63 void (*device_suspend) (struct usb2_device *udev);
64 void (*device_resume) (struct usb2_device *udev);
65 void (*set_hw_power) (struct usb2_bus *bus);
67 * The following flag is set if one or more control transfers are
70 #define USB_HW_POWER_CONTROL 0x01
72 * The following flag is set if one or more bulk transfers are
75 #define USB_HW_POWER_BULK 0x02
77 * The following flag is set if one or more interrupt transfers are
80 #define USB_HW_POWER_INTERRUPT 0x04
82 * The following flag is set if one or more isochronous transfers
85 #define USB_HW_POWER_ISOC 0x08
87 * The following flag is set if one or more non-root-HUB devices
88 * are present on the given USB bus:
90 #define USB_HW_POWER_NON_ROOT_HUB 0x10
92 /* USB Device mode only - Mandatory */
94 void (*get_hw_ep_profile) (struct usb2_device *udev, const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr);
95 void (*set_stall) (struct usb2_device *udev, struct usb2_xfer *xfer, struct usb2_pipe *pipe);
96 void (*clear_stall) (struct usb2_device *udev, struct usb2_pipe *pipe);
98 /* USB Device and Host mode - Optional */
100 void (*roothub_exec) (struct usb2_bus *);
104 * The following structure is used to define all the USB pipe
107 struct usb2_pipe_methods {
109 /* Mandatory USB Device and Host mode callbacks: */
111 void (*open) (struct usb2_xfer *xfer);
112 void (*close) (struct usb2_xfer *xfer);
114 void (*enter) (struct usb2_xfer *xfer);
115 void (*start) (struct usb2_xfer *xfer);
123 uint8_t enter_is_cancelable:1;
124 uint8_t start_is_cancelable:1;
128 * The following structure keeps information about what a hardware USB
131 struct usb2_hw_ep_profile {
132 uint16_t max_in_frame_size; /* IN-token direction */
133 uint16_t max_out_frame_size; /* OUT-token direction */
134 uint8_t is_simplex:1;
135 uint8_t support_multi_buffer:1;
136 uint8_t support_bulk:1;
137 uint8_t support_control:1;
138 uint8_t support_interrupt:1;
139 uint8_t support_isochronous:1;
140 uint8_t support_in:1; /* IN-token is supported */
141 uint8_t support_out:1; /* OUT-token is supported */
145 * The following structure is used when trying to allocate hardware
146 * endpoints for an USB configuration in USB device side mode.
148 struct usb2_hw_ep_scratch_sub {
149 const struct usb2_hw_ep_profile *pf;
150 uint16_t max_frame_size;
151 uint8_t hw_endpoint_out;
152 uint8_t hw_endpoint_in;
153 uint8_t needs_ep_type;
159 * The following structure is used when trying to allocate hardware
160 * endpoints for an USB configuration in USB device side mode.
162 struct usb2_hw_ep_scratch {
163 struct usb2_hw_ep_scratch_sub ep[USB_EP_MAX];
164 struct usb2_hw_ep_scratch_sub *ep_max;
165 struct usb2_config_descriptor *cd;
166 struct usb2_device *udev;
167 struct usb2_bus_methods *methods;
168 uint8_t bmOutAlloc[(USB_EP_MAX + 15) / 16];
169 uint8_t bmInAlloc[(USB_EP_MAX + 15) / 16];
173 * The following structure is used when generating USB descriptors
174 * from USB templates.
176 struct usb2_temp_setup {
180 uint8_t self_powered;
181 uint8_t bNumEndpoints;
182 uint8_t bInterfaceNumber;
183 uint8_t bAlternateSetting;
184 uint8_t bConfigurationValue;
190 void usb2_bus_mem_flush_all(struct usb2_bus *bus, usb2_bus_mem_cb_t *cb);
191 uint8_t usb2_bus_mem_alloc_all(struct usb2_bus *bus, bus_dma_tag_t dmat, usb2_bus_mem_cb_t *cb);
192 void usb2_bus_mem_free_all(struct usb2_bus *bus, usb2_bus_mem_cb_t *cb);
193 void usb2_bus_roothub_exec(struct usb2_bus *bus);
194 uint16_t usb2_isoc_time_expand(struct usb2_bus *bus, uint16_t isoc_time_curr);
195 uint16_t usb2_fs_isoc_schedule_isoc_time_expand(struct usb2_device *udev, struct usb2_fs_isoc_schedule **pp_start, struct usb2_fs_isoc_schedule **pp_end, uint16_t isoc_time);
196 uint8_t usb2_fs_isoc_schedule_alloc(struct usb2_fs_isoc_schedule *fss, uint8_t *pstart, uint16_t len);
198 #endif /* _USB2_CONTROLLER_H_ */