Changes in uspace/lib/usb/src/hub.c [6d8c5725:e40b9f00] in mainline
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uspace/lib/usb/src/hub.c
r6d8c5725 re40b9f00 34 34 */ 35 35 #include <usb/hub.h> 36 #include <usb/pipes.h>37 #include <usb/request.h>38 #include <usb/recognise.h>39 36 #include <usbhc_iface.h> 40 37 #include <errno.h> … … 58 55 * @return Error code. 59 56 */ 60 int usb_hc_reserve_default_address(usb_hc_connection_t *connection, 61 usb_speed_t speed) 57 int usb_hc_reserve_default_address(usb_hc_connection_t *connection) 62 58 { 63 59 CHECK_CONNECTION(connection); 64 60 65 return async_req_ 2_0(connection->hc_phone,61 return async_req_1_0(connection->hc_phone, 66 62 DEV_IFACE_ID(USBHC_DEV_IFACE), 67 IPC_M_USBHC_RESERVE_DEFAULT_ADDRESS , speed);63 IPC_M_USBHC_RESERVE_DEFAULT_ADDRESS); 68 64 } 69 65 … … 87 83 * @return Assigned USB address or negative error code. 88 84 */ 89 usb_address_t usb_hc_request_address(usb_hc_connection_t *connection, 90 usb_speed_t speed) 85 usb_address_t usb_hc_request_address(usb_hc_connection_t *connection) 91 86 { 92 87 CHECK_CONNECTION(connection); 93 88 94 89 sysarg_t address; 95 int rc = async_req_ 2_1(connection->hc_phone,90 int rc = async_req_1_1(connection->hc_phone, 96 91 DEV_IFACE_ID(USBHC_DEV_IFACE), 97 IPC_M_USBHC_REQUEST_ADDRESS, speed, 98 &address); 92 IPC_M_USBHC_REQUEST_ADDRESS, &address); 99 93 if (rc != EOK) { 100 94 return (usb_address_t) rc; … … 141 135 142 136 143 /** Wrapper for registering attached device to the hub.144 *145 * The @p enable_port function is expected to enable singalling on given146 * port.147 * The two arguments to it can have arbitrary meaning148 * (the @p port_no is only a suggestion)149 * and are not touched at all by this function150 * (they are passed as is to the @p enable_port function).151 *152 * If the @p enable_port fails (i.e. does not return EOK), the device153 * addition is cancelled.154 * The return value is then returned (it is good idea to use different155 * error codes than those listed as return codes by this function itself).156 *157 * @param parent Parent device (i.e. the hub device).158 * @param connection Opened connection to host controller.159 * @param dev_speed New device speed.160 * @param enable_port Function for enabling signalling through the port the161 * device is attached to.162 * @param port_no Port number (passed through to @p enable_port).163 * @param arg Any data argument to @p enable_port.164 * @param[out] assigned_address USB address of the device.165 * @param[out] assigned_handle Devman handle of the new device.166 * @return Error code.167 * @retval ENOENT Connection to HC not opened.168 * @retval EADDRNOTAVAIL Failed retrieving free address from host controller.169 * @retval EBUSY Failed reserving default USB address.170 * @retval ENOTCONN Problem connecting to the host controller via USB pipe.171 * @retval ESTALL Problem communication with device (either SET_ADDRESS172 * request or requests for descriptors when creating match ids).173 */174 int usb_hc_new_device_wrapper(device_t *parent, usb_hc_connection_t *connection,175 usb_speed_t dev_speed,176 int (*enable_port)(int port_no, void *arg), int port_no, void *arg,177 usb_address_t *assigned_address, devman_handle_t *assigned_handle)178 {179 CHECK_CONNECTION(connection);180 181 /*182 * Request new address.183 */184 usb_address_t dev_addr = usb_hc_request_address(connection, dev_speed);185 if (dev_addr < 0) {186 return EADDRNOTAVAIL;187 }188 189 int rc;190 191 /*192 * Reserve the default address.193 */194 rc = usb_hc_reserve_default_address(connection, dev_speed);195 if (rc != EOK) {196 rc = EBUSY;197 goto leave_release_free_address;198 }199 200 /*201 * Enable the port (i.e. allow signalling through this port).202 */203 rc = enable_port(port_no, arg);204 if (rc != EOK) {205 goto leave_release_default_address;206 }207 208 /*209 * Change the address from default to the free one.210 * We need to create a new control pipe for that.211 */212 usb_device_connection_t dev_conn;213 rc = usb_device_connection_initialize_on_default_address(&dev_conn,214 connection);215 if (rc != EOK) {216 rc = ENOTCONN;217 goto leave_release_default_address;218 }219 220 usb_endpoint_pipe_t ctrl_pipe;221 rc = usb_endpoint_pipe_initialize_default_control(&ctrl_pipe,222 &dev_conn);223 if (rc != EOK) {224 rc = ENOTCONN;225 goto leave_release_default_address;226 }227 228 rc = usb_endpoint_pipe_start_session(&ctrl_pipe);229 if (rc != EOK) {230 rc = ENOTCONN;231 goto leave_release_default_address;232 }233 234 rc = usb_request_set_address(&ctrl_pipe, dev_addr);235 if (rc != EOK) {236 rc = ESTALL;237 goto leave_stop_session;238 }239 240 usb_endpoint_pipe_end_session(&ctrl_pipe);241 242 /*243 * Once the address is changed, we can return the default address.244 */245 usb_hc_release_default_address(connection);246 247 /*248 * It is time to register the device with devman.249 */250 /* FIXME: create device_register that will get opened ctrl pipe. */251 devman_handle_t child_handle;252 rc = usb_device_register_child_in_devman(dev_addr, dev_conn.hc_handle,253 parent, &child_handle);254 if (rc != EOK) {255 rc = ESTALL;256 goto leave_release_free_address;257 }258 259 /*260 * And now inform the host controller about the handle.261 */262 usb_hc_attached_device_t new_device = {263 .address = dev_addr,264 .handle = child_handle265 };266 rc = usb_hc_register_device(connection, &new_device);267 if (rc != EOK) {268 rc = EDESTADDRREQ;269 goto leave_release_free_address;270 }271 272 /*273 * And we are done.274 */275 if (assigned_address != NULL) {276 *assigned_address = dev_addr;277 }278 if (assigned_handle != NULL) {279 *assigned_handle = child_handle;280 }281 282 return EOK;283 284 285 286 /*287 * Error handling (like nested exceptions) starts here.288 * Completely ignoring errors here.289 */290 291 leave_stop_session:292 usb_endpoint_pipe_end_session(&ctrl_pipe);293 294 leave_release_default_address:295 usb_hc_release_default_address(connection);296 297 leave_release_free_address:298 usb_hc_unregister_device(connection, dev_addr);299 300 return rc;301 }302 303 304 137 /** 305 138 * @}
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