Changes in uspace/drv/bus/usb/usbhid/main.c [5f6e25e:90df90c] in mainline
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uspace/drv/bus/usb/usbhid/main.c (modified) (3 diffs)
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uspace/drv/bus/usb/usbhid/main.c
r5f6e25e r90df90c 46 46 #include "usbhid.h" 47 47 48 /*----------------------------------------------------------------------------*/49 50 48 #define NAME "usbhid" 51 49 52 50 /** 53 * Function for adding a new device of type USB/HID/keyboard.51 * Callback for passing a new device to the driver. 54 52 * 55 * This functions initializes required structures from the device's descriptors 56 * and starts new fibril for polling the keyboard for events and another one for 57 * handling auto-repeat of keys. 53 * @note Currently, only boot-protocol keyboards are supported by this driver. 58 54 * 59 * During initialization, the keyboard is switched into boot protocol, the idle 60 * rate is set to 0 (infinity), resulting in the keyboard only reporting event 61 * when a key is pressed or released. Finally, the LED lights are turned on 62 * according to the default setup of lock keys. 63 * 64 * @note By default, the keyboards is initialized with Num Lock turned on and 65 * other locks turned off. 66 * @note Currently supports only boot-protocol keyboards. 67 * 68 * @param dev Device to add. 69 * 70 * @retval EOK if successful. 71 * @retval ENOMEM if there 72 * @return Other error code inherited from one of functions usb_kbd_init(), 73 * ddf_fun_bind() and ddf_fun_add_to_class(). 55 * @param dev Structure representing the new device. 56 * @return Error code. 74 57 */ 75 static int usb_hid_ try_add_device(usb_device_t *dev)58 static int usb_hid_device_add(usb_device_t *dev) 76 59 { 77 assert(dev != NULL); 78 79 /* 80 * Initialize device (get and process descriptors, get address, etc.) 81 */ 82 usb_log_debug("Initializing USB/HID device...\n"); 83 84 usb_hid_dev_t *hid_dev = usb_hid_new(); 60 usb_log_debug("%s\n", __FUNCTION__); 61 62 if (dev == NULL) { 63 usb_log_error("Wrong parameter given for add_device().\n"); 64 return EINVAL; 65 } 66 67 if (dev->interface_no < 0) { 68 usb_log_error("Failed to add HID device: endpoints not found." 69 "\n"); 70 return ENOTSUP; 71 } 72 usb_hid_dev_t *hid_dev = 73 usb_device_data_alloc(dev, sizeof(usb_hid_dev_t)); 85 74 if (hid_dev == NULL) { 86 usb_log_error("Error while creating USB/HID device " 87 "structure.\n"); 75 usb_log_error("Failed to create USB/HID device structure.\n"); 88 76 return ENOMEM; 89 77 } 90 78 91 79 int rc = usb_hid_init(hid_dev, dev); 92 93 80 if (rc != EOK) { 94 81 usb_log_error("Failed to initialize USB/HID device.\n"); 95 usb_hid_de stroy(hid_dev);82 usb_hid_deinit(hid_dev); 96 83 return rc; 97 } 98 84 } 85 99 86 usb_log_debug("USB/HID device structure initialized.\n"); 100 101 /* 102 * 1) subdriver vytvori vlastnu ddf_fun, vlastne ddf_dev_ops, ktore da 103 * do nej. 104 * 2) do tych ops do .interfaces[DEV_IFACE_USBHID (asi)] priradi 105 * vyplnenu strukturu usbhid_iface_t. 106 * 3) klientska aplikacia - musi si rucne vytvorit telefon 107 * (devman_device_connect() - cesta k zariadeniu (/hw/pci0/...) az 108 * k tej fcii. 109 * pouzit usb/classes/hid/iface.h - prvy int je telefon 110 */ 111 87 112 88 /* Start automated polling function. 113 89 * This will create a separate fibril that will query the device 114 * for the data continuously 115 */ 90 * for the data continuously. */ 116 91 rc = usb_device_auto_poll(dev, 117 92 /* Index of the polling pipe. */ … … 120 95 usb_hid_polling_callback, 121 96 /* How much data to request. */ 122 dev->pipes[hid_dev->poll_pipe_index].pipe ->max_packet_size,97 dev->pipes[hid_dev->poll_pipe_index].pipe.max_packet_size, 123 98 /* Callback when the polling ends. */ 124 99 usb_hid_polling_ended_callback, 125 100 /* Custom argument. */ 126 101 hid_dev); 127 128 102 129 103 if (rc != EOK) { 130 104 usb_log_error("Failed to start polling fibril for `%s'.\n", 131 105 dev->ddf_dev->name); 106 usb_hid_deinit(hid_dev); 132 107 return rc; 133 108 } 109 hid_dev->running = true; 134 110 135 /*136 * Hurrah, device is initialized.137 */138 return EOK;139 }140 141 /*----------------------------------------------------------------------------*/142 /**143 * Callback for passing a new device to the driver.144 *145 * @note Currently, only boot-protocol keyboards are supported by this driver.146 *147 * @param dev Structure representing the new device.148 *149 * @retval EOK if successful.150 * @retval EREFUSED if the device is not supported.151 */152 static int usb_hid_add_device(usb_device_t *dev)153 {154 usb_log_debug("usb_hid_add_device()\n");155 156 if (dev == NULL) {157 usb_log_warning("Wrong parameter given for add_device().\n");158 return EINVAL;159 }160 161 if (dev->interface_no < 0) {162 usb_log_warning("Device is not a supported HID device.\n");163 usb_log_error("Failed to add HID device: endpoints not found."164 "\n");165 return ENOTSUP;166 }167 168 int rc = usb_hid_try_add_device(dev);169 170 if (rc != EOK) {171 usb_log_warning("Device is not a supported HID device.\n");172 usb_log_error("Failed to add HID device: %s.\n",173 str_error(rc));174 return rc;175 }176 177 111 usb_log_info("HID device `%s' ready to use.\n", dev->ddf_dev->name); 178 112 179 113 return EOK; 180 114 } 115 /*----------------------------------------------------------------------------*/ 116 /** 117 * Callback for a device about to be removed from the driver. 118 * 119 * @param dev Structure representing the device. 120 * @return Error code. 121 */ 122 static int usb_hid_device_rem(usb_device_t *dev) 123 { 124 // TODO: Stop device polling 125 // TODO: Call deinit (stops autorepeat too) 126 return ENOTSUP; 127 } 128 /*----------------------------------------------------------------------------*/ 129 /** 130 * Callback for removing a device from the driver. 131 * 132 * @param dev Structure representing the device. 133 * @return Error code. 134 */ 135 static int usb_hid_device_gone(usb_device_t *dev) 136 { 137 assert(dev); 138 assert(dev->driver_data); 139 usb_hid_dev_t *hid_dev = dev->driver_data; 140 unsigned tries = 100; 141 /* Wait for fail. */ 142 while (hid_dev->running && tries--) { 143 async_usleep(100000); 144 } 145 if (hid_dev->running) { 146 usb_log_error("Can't remove hid, still running.\n"); 147 return EBUSY; 148 } 181 149 150 usb_hid_deinit(hid_dev); 151 usb_log_debug2("%s destruction complete.\n", dev->ddf_dev->name); 152 return EOK; 153 } 182 154 /*----------------------------------------------------------------------------*/ 183 184 /* Currently, the framework supports only device adding. Once the framework 185 * supports unplug, more callbacks will be added. */ 186 static usb_driver_ops_t usb_hid_driver_ops = { 187 .add_device = usb_hid_add_device,155 /** USB generic driver callbacks */ 156 static const usb_driver_ops_t usb_hid_driver_ops = { 157 .device_add = usb_hid_device_add, 158 .device_rem = usb_hid_device_rem, 159 .device_gone = usb_hid_device_gone, 188 160 }; 189 190 191 /* The driver itself. */ 192 static usb_driver_t usb_hid_driver = { 161 /*----------------------------------------------------------------------------*/ 162 /** The driver itself. */ 163 static const usb_driver_t usb_hid_driver = { 193 164 .name = NAME, 194 165 .ops = &usb_hid_driver_ops, 195 166 .endpoints = usb_hid_endpoints 196 167 }; 197 198 168 /*----------------------------------------------------------------------------*/ 199 200 169 int main(int argc, char *argv[]) 201 170 { … … 206 175 return usb_driver_main(&usb_hid_driver); 207 176 } 208 209 177 /** 210 178 * @}
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