1 /* $FreeBSD: stable/9/sys/dev/usb/usb_controller.h 259602 2013-12-19 07:12:40Z hselasky $ */ 2 /*- 3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _USB_CONTROLLER_H_ 28 #define _USB_CONTROLLER_H_ 29 30 /* defines */ 31 32 #define USB_BUS_DMA_TAG_MAX 8 33 34 /* structure prototypes */ 35 36 struct usb_bus; 37 struct usb_page; 38 struct usb_endpoint; 39 struct usb_page_cache; 40 struct usb_setup_params; 41 struct usb_hw_ep_profile; 42 struct usb_fs_isoc_schedule; 43 struct usb_endpoint_descriptor; 44 45 /* typedefs */ 46 47 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); 48 typedef void (usb_bus_mem_cb_t)(struct usb_bus *bus, usb_bus_mem_sub_cb_t *scb); 49 50 /* 51 * The following structure is used to define all the USB BUS 52 * callbacks. 53 */ 54 struct usb_bus_methods { 55 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 (*set_stall) (struct usb_device *udev, struct usb_xfer *xfer, struct usb_endpoint *ep, uint8_t *did_stall); 111 112 /* USB Device mode mandatory. USB Host mode optional. */ 113 114 void (*clear_stall) (struct usb_device *udev, struct usb_endpoint *ep); 115 116 /* Optional transfer polling support */ 117 118 void (*xfer_poll) (struct usb_bus *); 119 120 /* Optional fixed power mode support */ 121 122 void (*get_power_mode) (struct usb_device *udev, int8_t *pmode); 123 124 /* Optional endpoint uninit */ 125 126 void (*endpoint_uninit) (struct usb_device *, struct usb_endpoint *); 127 128 /* Optional device init */ 129 130 usb_error_t (*device_init) (struct usb_device *); 131 132 /* Optional device uninit */ 133 134 void (*device_uninit) (struct usb_device *); 135 136 /* Optional for device and host mode */ 137 138 void (*start_dma_delay) (struct usb_xfer *); 139 140 void (*device_state_change) (struct usb_device *); 141 142 /* Optional for host mode */ 143 144 usb_error_t (*set_address) (struct usb_device *, struct mtx *, uint16_t); 145 }; 146 147 /* 148 * The following structure is used to define all the USB pipe 149 * callbacks. 150 */ 151 struct usb_pipe_methods { 152 153 /* Mandatory USB Device and Host mode callbacks: */ 154 155 void (*open)(struct usb_xfer *); 156 void (*close)(struct usb_xfer *); 157 158 void (*enter)(struct usb_xfer *); 159 void (*start)(struct usb_xfer *); 160 161 /* Optional */ 162 163 void *info; 164 }; 165 166 /* 167 * The following structure keeps information about what a hardware USB 168 * endpoint supports. 169 */ 170 struct usb_hw_ep_profile { 171 uint16_t max_in_frame_size; /* IN-token direction */ 172 uint16_t max_out_frame_size; /* OUT-token direction */ 173 uint8_t is_simplex:1; 174 uint8_t support_multi_buffer:1; 175 uint8_t support_bulk:1; 176 uint8_t support_control:1; 177 uint8_t support_interrupt:1; 178 uint8_t support_isochronous:1; 179 uint8_t support_in:1; /* IN-token is supported */ 180 uint8_t support_out:1; /* OUT-token is supported */ 181 }; 182 183 /* prototypes */ 184 185 void usb_bus_mem_flush_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb); 186 uint8_t usb_bus_mem_alloc_all(struct usb_bus *bus, bus_dma_tag_t dmat, usb_bus_mem_cb_t *cb); 187 void usb_bus_mem_free_all(struct usb_bus *bus, usb_bus_mem_cb_t *cb); 188 uint16_t usb_isoc_time_expand(struct usb_bus *bus, uint16_t isoc_time_curr); 189 void usb_bus_reset_async_locked(struct usb_bus *bus); 190 #if USB_HAVE_TT_SUPPORT 191 uint8_t usbd_fs_isoc_schedule_alloc_slot(struct usb_xfer *isoc_xfer, uint16_t isoc_time); 192 #endif 193 194 #endif /* _USB_CONTROLLER_H_ */ 195