1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 2007 Luigi Rizzo - Universita` di Pisa. All rights reserved. 4 * Copyright (c) 2007 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_COMPAT_LINUX_H 29 #define _USB_COMPAT_LINUX_H 30 31 #include <sys/types.h> 32 #include <sys/param.h> 33 #include <sys/proc.h> 34 #include <sys/condvar.h> 35 36 #include <dev/usb/usb.h> 37 #include <dev/usb/usbdi.h> 38 #include <dev/usb/usbdi_util.h> 39 40 #include <linux/pm.h> 41 42 struct usb_device; 43 struct usb_interface; 44 struct usb_driver; 45 struct urb; 46 47 typedef void (usb_complete_t)(struct urb *); 48 49 #define USB_MAX_FULL_SPEED_ISOC_FRAMES (60 * 1) 50 #define USB_MAX_HIGH_SPEED_ISOC_FRAMES (60 * 8) 51 52 #define USB_DEVICE_ID_MATCH_DEVICE \ 53 (USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT) 54 55 #define USB_DEVICE(vend,prod) \ 56 .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = (vend), \ 57 .idProduct = (prod) 58 59 /* The "usb_driver" structure holds the Linux USB device driver 60 * callbacks, and a pointer to device ID's which this entry should 61 * match against. Usually this entry is exposed to the USB emulation 62 * layer using the "USB_DRIVER_EXPORT()" macro, which is defined 63 * below. 64 */ 65 struct usb_driver { 66 const char *name; 67 68 int (*probe)(struct usb_interface *intf, 69 const struct usb_device_id *id); 70 71 void (*disconnect)(struct usb_interface *intf); 72 73 int (*ioctl)(struct usb_interface *intf, unsigned int code, void *buf); 74 75 int (*suspend)(struct usb_interface *intf, pm_message_t message); 76 int (*resume)(struct usb_interface *intf); 77 78 const struct usb_device_id *id_table; 79 80 void (*shutdown)(struct usb_interface *intf); 81 82 LIST_ENTRY(usb_driver) linux_driver_list; 83 }; 84 85 #define USB_DRIVER_EXPORT(id,p_usb_drv) \ 86 SYSINIT(id,SI_SUB_KLD,SI_ORDER_FIRST,usb_linux_register,p_usb_drv); \ 87 SYSUNINIT(id,SI_SUB_KLD,SI_ORDER_ANY,usb_linux_deregister,p_usb_drv) 88 89 #define USB_DT_ENDPOINT_SIZE 7 90 #define USB_DT_ENDPOINT_AUDIO_SIZE 9 91 92 /* 93 * Endpoints 94 */ 95 #define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ 96 #define USB_ENDPOINT_DIR_MASK 0x80 97 98 #define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ 99 #define USB_ENDPOINT_XFER_CONTROL 0 100 #define USB_ENDPOINT_XFER_ISOC 1 101 #define USB_ENDPOINT_XFER_BULK 2 102 #define USB_ENDPOINT_XFER_INT 3 103 #define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 104 105 /* CONTROL REQUEST SUPPORT */ 106 107 /* 108 * Definition of direction mask for 109 * "bEndpointAddress" and "bmRequestType": 110 */ 111 #define USB_DIR_MASK 0x80 112 #define USB_DIR_OUT 0x00 /* write to USB device */ 113 #define USB_DIR_IN 0x80 /* read from USB device */ 114 115 /* 116 * Definition of type mask for 117 * "bmRequestType": 118 */ 119 #define USB_TYPE_MASK (0x03 << 5) 120 #define USB_TYPE_STANDARD (0x00 << 5) 121 #define USB_TYPE_CLASS (0x01 << 5) 122 #define USB_TYPE_VENDOR (0x02 << 5) 123 #define USB_TYPE_RESERVED (0x03 << 5) 124 125 /* 126 * Definition of receiver mask for 127 * "bmRequestType": 128 */ 129 #define USB_RECIP_MASK 0x1f 130 #define USB_RECIP_DEVICE 0x00 131 #define USB_RECIP_INTERFACE 0x01 132 #define USB_RECIP_ENDPOINT 0x02 133 #define USB_RECIP_OTHER 0x03 134 135 /* 136 * Definition of standard request values for 137 * "bRequest": 138 */ 139 #define USB_REQ_GET_STATUS 0x00 140 #define USB_REQ_CLEAR_FEATURE 0x01 141 #define USB_REQ_SET_FEATURE 0x03 142 #define USB_REQ_SET_ADDRESS 0x05 143 #define USB_REQ_GET_DESCRIPTOR 0x06 144 #define USB_REQ_SET_DESCRIPTOR 0x07 145 #define USB_REQ_GET_CONFIGURATION 0x08 146 #define USB_REQ_SET_CONFIGURATION 0x09 147 #define USB_REQ_GET_INTERFACE 0x0A 148 #define USB_REQ_SET_INTERFACE 0x0B 149 #define USB_REQ_SYNCH_FRAME 0x0C 150 151 #define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ 152 #define USB_REQ_GET_ENCRYPTION 0x0E 153 #define USB_REQ_SET_HANDSHAKE 0x0F 154 #define USB_REQ_GET_HANDSHAKE 0x10 155 #define USB_REQ_SET_CONNECTION 0x11 156 #define USB_REQ_SET_SECURITY_DATA 0x12 157 #define USB_REQ_GET_SECURITY_DATA 0x13 158 #define USB_REQ_SET_WUSB_DATA 0x14 159 #define USB_REQ_LOOPBACK_DATA_WRITE 0x15 160 #define USB_REQ_LOOPBACK_DATA_READ 0x16 161 #define USB_REQ_SET_INTERFACE_DS 0x17 162 163 /* 164 * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and 165 * are read as a bit array returned by USB_REQ_GET_STATUS. (So there 166 * are at most sixteen features of each type.) 167 */ 168 #define USB_DEVICE_SELF_POWERED 0 /* (read only) */ 169 #define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ 170 #define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ 171 #define USB_DEVICE_BATTERY 2 /* (wireless) */ 172 #define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ 173 #define USB_DEVICE_WUSB_DEVICE 3 /* (wireless) */ 174 #define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ 175 #define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ 176 #define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ 177 178 #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ 179 180 #define PIPE_ISOCHRONOUS 0x01 /* UE_ISOCHRONOUS */ 181 #define PIPE_INTERRUPT 0x03 /* UE_INTERRUPT */ 182 #define PIPE_CONTROL 0x00 /* UE_CONTROL */ 183 #define PIPE_BULK 0x02 /* UE_BULK */ 184 185 /* Whenever Linux references an USB endpoint: 186 * a) to initialize "urb->endpoint" 187 * b) second argument passed to "usb_control_msg()" 188 * 189 * Then it uses one of the following macros. The "endpoint" argument 190 * is the physical endpoint value masked by 0xF. The "dev" argument 191 * is a pointer to "struct usb_device". 192 */ 193 #define usb_sndctrlpipe(dev,endpoint) \ 194 usb_find_host_endpoint(dev, PIPE_CONTROL, (endpoint) | USB_DIR_OUT) 195 196 #define usb_rcvctrlpipe(dev,endpoint) \ 197 usb_find_host_endpoint(dev, PIPE_CONTROL, (endpoint) | USB_DIR_IN) 198 199 #define usb_sndisocpipe(dev,endpoint) \ 200 usb_find_host_endpoint(dev, PIPE_ISOCHRONOUS, (endpoint) | USB_DIR_OUT) 201 202 #define usb_rcvisocpipe(dev,endpoint) \ 203 usb_find_host_endpoint(dev, PIPE_ISOCHRONOUS, (endpoint) | USB_DIR_IN) 204 205 #define usb_sndbulkpipe(dev,endpoint) \ 206 usb_find_host_endpoint(dev, PIPE_BULK, (endpoint) | USB_DIR_OUT) 207 208 #define usb_rcvbulkpipe(dev,endpoint) \ 209 usb_find_host_endpoint(dev, PIPE_BULK, (endpoint) | USB_DIR_IN) 210 211 #define usb_sndintpipe(dev,endpoint) \ 212 usb_find_host_endpoint(dev, PIPE_INTERRUPT, (endpoint) | USB_DIR_OUT) 213 214 #define usb_rcvintpipe(dev,endpoint) \ 215 usb_find_host_endpoint(dev, PIPE_INTERRUPT, (endpoint) | USB_DIR_IN) 216 217 /* 218 * The following structure is used to extend "struct urb" when we are 219 * dealing with an isochronous endpoint. It contains information about 220 * the data offset and data length of an isochronous packet. 221 * The "actual_length" field is updated before the "complete" 222 * callback in the "urb" structure is called. 223 */ 224 struct usb_iso_packet_descriptor { 225 uint32_t offset; /* depreciated buffer offset (the 226 * packets are usually back to back) */ 227 uint16_t length; /* expected length */ 228 uint16_t actual_length; 229 int16_t status; /* transfer status */ 230 }; 231 232 /* 233 * The following structure holds various information about an USB 234 * transfer. This structure is used for all kinds of USB transfers. 235 * 236 * URB is short for USB Request Block. 237 */ 238 struct urb { 239 TAILQ_ENTRY(urb) bsd_urb_list; 240 struct cv cv_wait; 241 242 struct usb_device *dev; /* (in) pointer to associated device */ 243 struct usb_host_endpoint *endpoint; /* (in) pipe pointer */ 244 uint8_t *setup_packet; /* (in) setup packet (control only) */ 245 uint8_t *bsd_data_ptr; 246 void *transfer_buffer; /* (in) associated data buffer */ 247 void *context; /* (in) context for completion */ 248 usb_complete_t *complete; /* (in) completion routine */ 249 250 usb_size_t transfer_buffer_length;/* (in) data buffer length */ 251 usb_size_t bsd_length_rem; 252 usb_size_t actual_length; /* (return) actual transfer length */ 253 usb_timeout_t timeout; /* FreeBSD specific */ 254 255 uint16_t transfer_flags; /* (in) */ 256 #define URB_SHORT_NOT_OK 0x0001 /* report short transfers like errors */ 257 #define URB_ISO_ASAP 0x0002 /* ignore "start_frame" field */ 258 #define URB_ZERO_PACKET 0x0004 /* the USB transfer ends with a short 259 * packet */ 260 #define URB_NO_TRANSFER_DMA_MAP 0x0008 /* "transfer_dma" is valid on submit */ 261 #define URB_WAIT_WAKEUP 0x0010 /* custom flags */ 262 #define URB_IS_SLEEPING 0x0020 /* custom flags */ 263 264 usb_frcount_t start_frame; /* (modify) start frame (ISO) */ 265 usb_frcount_t number_of_packets; /* (in) number of ISO packets */ 266 uint16_t interval; /* (modify) transfer interval 267 * (INT/ISO) */ 268 uint16_t error_count; /* (return) number of ISO errors */ 269 int16_t status; /* (return) status */ 270 271 uint8_t setup_dma; /* (in) not used on FreeBSD */ 272 uint8_t transfer_dma; /* (in) not used on FreeBSD */ 273 uint8_t bsd_isread; 274 uint8_t kill_count; /* FreeBSD specific */ 275 276 struct usb_iso_packet_descriptor iso_frame_desc[]; /* (in) ISO ONLY */ 277 }; 278 279 /* various prototypes */ 280 281 int usb_submit_urb(struct urb *urb, uint16_t mem_flags); 282 int usb_unlink_urb(struct urb *urb); 283 int usb_clear_halt(struct usb_device *dev, struct usb_host_endpoint *uhe); 284 int usb_control_msg(struct usb_device *dev, struct usb_host_endpoint *ep, 285 uint8_t request, uint8_t requesttype, uint16_t value, 286 uint16_t index, void *data, uint16_t size, usb_timeout_t timeout); 287 int usb_set_interface(struct usb_device *dev, uint8_t ifnum, 288 uint8_t alternate); 289 int usb_setup_endpoint(struct usb_device *dev, 290 struct usb_host_endpoint *uhe, usb_frlength_t bufsize); 291 292 struct usb_host_endpoint *usb_find_host_endpoint(struct usb_device *dev, 293 uint8_t type, uint8_t ep); 294 struct urb *usb_alloc_urb(uint16_t iso_packets, uint16_t mem_flags); 295 struct usb_host_interface *usb_altnum_to_altsetting( 296 const struct usb_interface *intf, uint8_t alt_index); 297 struct usb_interface *usb_ifnum_to_if(struct usb_device *dev, uint8_t iface_no); 298 299 void *usb_buffer_alloc(struct usb_device *dev, usb_size_t size, 300 uint16_t mem_flags, uint8_t *dma_addr); 301 void *usbd_get_intfdata(struct usb_interface *intf); 302 303 void usb_buffer_free(struct usb_device *dev, usb_size_t size, void *addr, uint8_t dma_addr); 304 void usb_free_urb(struct urb *urb); 305 void usb_init_urb(struct urb *urb); 306 void usb_kill_urb(struct urb *urb); 307 void usb_set_intfdata(struct usb_interface *intf, void *data); 308 void usb_linux_register(void *arg); 309 void usb_linux_deregister(void *arg); 310 311 void usb_fill_bulk_urb(struct urb *, struct usb_device *, 312 struct usb_host_endpoint *, void *, int, usb_complete_t, void *); 313 int usb_bulk_msg(struct usb_device *, struct usb_host_endpoint *, 314 void *, int, uint16_t *, usb_timeout_t); 315 316 #define interface_to_usbdev(intf) (intf)->linux_udev 317 #define interface_to_bsddev(intf) (intf)->linux_udev 318 319 #endif /* _USB_COMPAT_LINUX_H */ 320