static void remote_graph_connect(ddf_fun_t *fun, void *ops, ipc_callid_t callid,
ipc_call_t *call)
{
graph_dev_ops_t *graph_dev_ops = (graph_dev_ops_t *) ops;
if (!graph_dev_ops->connect || !ddf_fun_data_get(fun)) {
async_answer_0(callid, ENOTSUP);
return;
}
(*graph_dev_ops->connect)(ddf_fun_data_get(fun), callid, call, NULL);
}
static void graph_vsl_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)
{
visualizer_t *vsl;
vsl = (visualizer_t *) ddf_fun_data_get((ddf_fun_t *)arg);
graph_visualizer_connection(vsl, iid, icall, NULL);
}
bool usb_multimedia_polling_callback(struct usb_hid_dev *hid_dev, void *data)
{
// TODO: checks
ddf_fun_t *fun = data;
if (hid_dev == NULL) {
return false;
}
usb_multimedia_t *multim_dev = ddf_fun_data_get(fun);
usb_hid_report_path_t *path = usb_hid_report_path();
if (path == NULL)
return true; /* This might be a temporary failure. */
int ret =
usb_hid_report_path_append_item(path, USB_HIDUT_PAGE_CONSUMER, 0);
if (ret != EOK) {
usb_hid_report_path_free(path);
return true; /* This might be a temporary failure. */
}
usb_hid_report_path_set_report_id(path, hid_dev->report_id);
usb_hid_report_field_t *field = usb_hid_report_get_sibling(
&hid_dev->report, NULL, path, USB_HID_PATH_COMPARE_END
| USB_HID_PATH_COMPARE_USAGE_PAGE_ONLY,
USB_HID_REPORT_TYPE_INPUT);
//FIXME Is this iterating OK if done multiple times?
//FIXME The parsing is not OK. (what's wrong?)
while (field != NULL) {
if (field->value != 0) {
usb_log_debug(NAME " KEY VALUE(%X) USAGE(%X)\n",
field->value, field->usage);
const unsigned key =
usb_multimedia_map_usage(field->usage);
const char *key_str =
usbhid_multimedia_usage_to_str(field->usage);
usb_log_info("Pressed key: %s\n", key_str);
usb_multimedia_push_ev(multim_dev, KEY_PRESS, key);
}
field = usb_hid_report_get_sibling(
&hid_dev->report, field, path, USB_HID_PATH_COMPARE_END
| USB_HID_PATH_COMPARE_USAGE_PAGE_ONLY,
USB_HID_REPORT_TYPE_INPUT);
}
usb_hid_report_path_free(path);
return true;
}
/**
* Default handler for IPC methods not handled by DDF.
*
* Currently recognizes only one method (IPC_M_CONNECT_TO_ME), in which case it
* assumes the caller is the console and thus it stores IPC session to it for
* later use by the driver to notify about key events.
*
* @param fun Device function handling the call.
* @param icallid Call id.
* @param icall Call data.
*/
static void default_connection_handler(ddf_fun_t *fun,
ipc_callid_t icallid, ipc_call_t *icall)
{
usb_log_debug(NAME " default_connection_handler()\n");
usb_multimedia_t *multim_dev = ddf_fun_data_get(fun);
async_sess_t *sess =
async_callback_receive_start(EXCHANGE_SERIALIZE, icall);
if (sess != NULL) {
if (multim_dev->console_sess == NULL) {
multim_dev->console_sess = sess;
usb_log_debug(NAME " Saved session to console: %p\n",
sess);
async_answer_0(icallid, EOK);
} else
async_answer_0(icallid, ELIMIT);
} else
async_answer_0(icallid, EINVAL);
}
/** Obtain function soft-state from DDF function node */
static mac_fun_t *mac_fun(ddf_fun_t *fnode)
{
return ddf_fun_data_get(fnode);
}
static hw_resource_list_t * rootamdm37x_get_resources(ddf_fun_t *fnode)
{
rootamdm37x_fun_t *fun = ddf_fun_data_get(fnode);
assert(fun != NULL);
return &fun->hw_resources;
}
/**
* Processes key events.
*
* @note This function was copied from AT keyboard driver and modified to suit
* USB keyboard.
*
* @note Lock keys are not sent to the console, as they are completely handled
* in the driver. It may, however, be required later that the driver
* sends also these keys to application (otherwise it cannot use those
* keys at all).
*
* @param hid_dev
* @param multim_dev
* @param type Type of the event (press / release). Recognized values:
* KEY_PRESS, KEY_RELEASE
* @param key Key code of the key according to HID Usage Tables.
*/
static void usb_multimedia_push_ev(
usb_multimedia_t *multim_dev, int type, unsigned int key)
{
assert(multim_dev != NULL);
const kbd_event_t ev = {
.type = type,
.key = key,
.mods = 0,
.c = 0,
};
usb_log_debug2(NAME " Sending key %d to the console\n", ev.key);
if (multim_dev->console_sess == NULL) {
usb_log_warning(
"Connection to console not ready, key discarded.\n");
return;
}
async_exch_t *exch = async_exchange_begin(multim_dev->console_sess);
if (exch != NULL) {
async_msg_4(exch, KBDEV_EVENT, ev.type, ev.key, ev.mods, ev.c);
async_exchange_end(exch);
} else {
usb_log_warning("Failed to send multimedia key.\n");
}
}
int usb_multimedia_init(struct usb_hid_dev *hid_dev, void **data)
{
if (hid_dev == NULL || hid_dev->usb_dev == NULL) {
return EINVAL;
}
usb_log_debug(NAME " Initializing HID/multimedia structure...\n");
/* Create the exposed function. */
ddf_fun_t *fun = ddf_fun_create(
hid_dev->usb_dev->ddf_dev, fun_exposed, NAME);
if (fun == NULL) {
usb_log_error("Could not create DDF function node.\n");
return ENOMEM;
}
ddf_fun_set_ops(fun, &multimedia_ops);
usb_multimedia_t *multim_dev =
ddf_fun_data_alloc(fun, sizeof(usb_multimedia_t));
if (multim_dev == NULL) {
ddf_fun_destroy(fun);
return ENOMEM;
}
multim_dev->console_sess = NULL;
//todo Autorepeat?
int rc = ddf_fun_bind(fun);
if (rc != EOK) {
usb_log_error("Could not bind DDF function: %s.\n",
str_error(rc));
ddf_fun_destroy(fun);
return rc;
}
usb_log_debug(NAME " function created (handle: %" PRIun ").\n",
ddf_fun_get_handle(fun));
rc = ddf_fun_add_to_category(fun, "keyboard");
if (rc != EOK) {
usb_log_error(
"Could not add DDF function to category 'keyboard': %s.\n",
str_error(rc));
if (ddf_fun_unbind(fun) != EOK) {
usb_log_error("Failed to unbind %s, won't destroy.\n",
ddf_fun_get_name(fun));
} else {
ddf_fun_destroy(fun);
}
return rc;
}
/* Save the KBD device structure into the HID device structure. */
*data = fun;
usb_log_debug(NAME " HID/multimedia structure initialized.\n");
return EOK;
}
void usb_multimedia_deinit(struct usb_hid_dev *hid_dev, void *data)
{
ddf_fun_t *fun = data;
usb_multimedia_t *multim_dev = ddf_fun_data_get(fun);
/* Hangup session to the console */
if (multim_dev->console_sess)
async_hangup(multim_dev->console_sess);
if (ddf_fun_unbind(fun) != EOK) {
usb_log_error("Failed to unbind %s, won't destroy.\n",
ddf_fun_get_name(fun));
} else {
usb_log_debug2("%s unbound.\n", ddf_fun_get_name(fun));
/* This frees multim_dev too as it was stored in
* fun->data */
ddf_fun_destroy(fun);
}
}
/**
* @param dev DDF function associated with NIC
* @return The associated NIC structure
*/
nic_t *nic_get_from_ddf_fun(ddf_fun_t *fun)
{
return (nic_t *) ddf_fun_data_get(fun);
}
