1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _USB_CONTROLLER_H_ 29 #define _USB_CONTROLLER_H_ 30 31 /* defines */ 32 33 #define USB_BUS_DMA_TAG_MAX 8 34 35 /* structure prototypes */ 36 37 struct usb_bus; 38 struct usb_page; 39 struct usb_endpoint; 40 struct usb_page_cache; 41 struct usb_setup_params; 42 struct usb_hw_ep_profile; 43 struct usb_fs_isoc_schedule; 44 struct usb_endpoint_descriptor; 45 46 /* typedefs */ 47 48 typedef void (usb_bus_mem_sub_cb_t)(struct usb_bus *bus, struct usb_page_cache *pc, struct usb_page *pg, usb_size_t size, usb_size_t align); 49 typedef void (usb_bus_mem_cb_t)(struct usb_bus *bus, usb_bus_mem_sub_cb_t *scb); 50 51 /* 52 * The following structure is used to define all the USB BUS 53 * callbacks. 54 */ 55 struct usb_bus_methods { 56 /* USB Device and Host mode - Mandatory */ 57 58 usb_handle_req_t *roothub_exec; 59 60 void (*endpoint_init) (struct usb_device *, 61 struct usb_endpoint_descriptor *, struct usb_endpoint *); 62 void (*xfer_setup) (struct usb_setup_params *); 63 void (*xfer_unsetup) (struct usb_xfer *); 64 void (*get_dma_delay) (struct usb_device *, uint32_t *); 65 void (*device_suspend) (struct usb_device *); 66 void (*device_resume) (struct usb_device *); 67 void (*set_hw_power) (struct usb_bus *); 68 void (*set_hw_power_sleep) (struct usb_bus *, uint32_t); 69 /* 70 * The following flag is set if one or more control transfers are 71 * active: 72 */ 73 #define USB_HW_POWER_CONTROL 0x01 74 /* 75 * The following flag is set if one or more bulk transfers are 76 * active: 77 */ 78 #define USB_HW_POWER_BULK 0x02 79 /* 80 * The following flag is set if one or more interrupt transfers are 81 * active: 82 */ 83 #define USB_HW_POWER_INTERRUPT 0x04 84 /* 85 * The following flag is set if one or more isochronous transfers 86 * are active: 87 */ 88 #define USB_HW_POWER_ISOC 0x08 89 /* 90 * The following flag is set if one or more non-root-HUB devices 91 * are present on the given USB bus: 92 */ 93 #define USB_HW_POWER_NON_ROOT_HUB 0x10 94 /* 95 * The following flag is set if we are suspending 96 */ 97 #define USB_HW_POWER_SUSPEND 0x20 98 /* 99 * The following flag is set if we are resuming 100 */ 101 #define USB_HW_POWER_RESUME 0x40 102 /* 103 * The following flag is set if we are shutting down 104 */ 105 #define USB_HW_POWER_SHUTDOWN 0x60 106 107 /* USB Device mode only - Mandatory */ 108 109 void (*get_hw_ep_profile) (struct usb_device *udev, const struct usb_hw_ep_profile **ppf, uint8_t ep_addr); 110 void (*xfer_stall) (struct usb_xfer *xfer); 111 void (*set_stall) (struct usb_device *udev, struct usb_endpoint *ep, uint8_t *did_stall); 112 113 /* USB Device mode mandatory. USB Host mode optional. */ 114 115 void (*clear_stall) (struct usb_device *udev, struct usb_endpoint *ep); 116 117 /* Optional transfer polling support */ 118 119 void (*xfer_poll) (struct usb_bus *); 120 121 /* Optional fixed power mode support */ 122 123 void (*get_power_mode) (struct usb_device *udev, int8_t *pmode); 124 125 /* Optional endpoint uninit */ 126 127 void (*endpoint_uninit) (struct usb_device *, struct usb_endpoint *); 128 129 /* Optional device init */ 130 131 usb_error_t (*device_init) (struct usb_device *); 132 133 /* Optional device uninit */ 134 135 void (*device_uninit) (struct usb_device *); 136 137 /* Optional for device and host mode */ 138 139 void (*start_dma_delay) (struct usb_xfer *); 140 141 void (*device_state_change) (struct usb_device *); 142 143 /* Optional for host mode */ 144 145 usb_error_t (*set_address) (struct usb_device *, struct mtx *, uint16_t); 146 147 /* Optional for device and host mode */ 148 149 usb_error_t (*set_endpoint_mode) (struct usb_device *, struct usb_endpoint *, uint8_t); 150 }; 151 152 /* 153 * The following structure is used to define all the USB pipe 154 * callbacks. 155 */ 156 struct usb_pipe_methods { 157 /* Mandatory USB Device and Host mode callbacks: */ 158 159 void (*open)(struct usb_xfer *); 160 void (*close)(struct usb_xfer *); 161 162 void (*enter)(struct usb_xfer *); 163 void (*start)(struct usb_xfer *); 164 165 /* Optional */ 166 167 void *info; 168 }; 169 170 /* 171 * The following structure keeps information about what a hardware USB 172 * endpoint supports. 173 */ 174 struct usb_hw_ep_profile { 175 uint16_t max_in_frame_size; /* IN-token direction */ 176 uint16_t max_out_frame_size; /* OUT-token direction */ 177 uint8_t is_simplex:1; 178 uint8_t support_multi_buffer:1; 179 uint8_t support_bulk:1; 180 uint8_t support_control:1; 181 uint8_t support_interrupt:1; 182 uint8_t support_isochronous:1; 183 uint8_t support_in:1; /* IN-token is supported */ 184 uint8_t support_out:1; /* OUT-token is supported */ 185 }; 186 187 /* prototypes */ 188 189 void usb_bus_mem_flush_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb); 190 uint8_t usb_bus_mem_alloc_all(struct usb_bus *bus, bus_dma_tag_t dmat, usb_bus_mem_cb_t *cb); 191 void usb_bus_mem_free_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb); 192 uint16_t usb_isoc_time_expand(struct usb_bus *bus, uint16_t isoc_time_curr); 193 void usb_bus_reset_async_locked(struct usb_bus *bus); 194 #if USB_HAVE_TT_SUPPORT 195 uint8_t usbd_fs_isoc_schedule_alloc_slot(struct usb_xfer *isoc_xfer, uint16_t isoc_time); 196 #endif 197 198 #endif /* _USB_CONTROLLER_H_ */ 199