Lines Matching refs:rt
21 * @rt: Retimer device
29 int tb_retimer_nvm_read(struct tb_retimer *rt, unsigned int address, void *buf,
32 return usb4_port_retimer_nvm_read(rt->port, rt->index, address, buf, size);
38 struct tb_retimer *rt = tb_to_retimer(nvm->dev);
41 pm_runtime_get_sync(&rt->dev);
43 if (!mutex_trylock(&rt->tb->lock)) {
48 ret = tb_retimer_nvm_read(rt, offset, val, bytes);
49 mutex_unlock(&rt->tb->lock);
52 pm_runtime_mark_last_busy(&rt->dev);
53 pm_runtime_put_autosuspend(&rt->dev);
61 struct tb_retimer *rt = tb_to_retimer(nvm->dev);
64 if (!mutex_trylock(&rt->tb->lock))
68 mutex_unlock(&rt->tb->lock);
73 static int tb_retimer_nvm_add(struct tb_retimer *rt)
78 nvm = tb_nvm_alloc(&rt->dev);
96 rt->nvm = nvm;
100 dev_dbg(&rt->dev, "NVM upgrade disabled\n");
107 static int tb_retimer_nvm_validate_and_write(struct tb_retimer *rt)
113 ret = tb_nvm_validate(rt->nvm);
117 buf = rt->nvm->buf_data_start;
118 image_size = rt->nvm->buf_data_size;
120 ret = usb4_port_retimer_nvm_write(rt->port, rt->index, 0, buf,
125 rt->nvm->flushed = true;
129 static int tb_retimer_nvm_authenticate(struct tb_retimer *rt, bool auth_only)
135 ret = usb4_port_retimer_nvm_set_offset(rt->port, rt->index, 0);
140 ret = usb4_port_retimer_nvm_authenticate(rt->port, rt->index);
150 ret = usb4_port_retimer_nvm_authenticate_status(rt->port, rt->index,
153 rt->auth_status = status;
163 struct tb_retimer *rt = tb_to_retimer(dev);
165 return sysfs_emit(buf, "%#x\n", rt->device);
172 struct tb_retimer *rt = tb_to_retimer(dev);
175 if (!mutex_trylock(&rt->tb->lock))
178 if (!rt->nvm)
180 else if (rt->no_nvm_upgrade)
183 ret = sysfs_emit(buf, "%#x\n", rt->auth_status);
185 mutex_unlock(&rt->tb->lock);
243 struct tb_retimer *rt = tb_to_retimer(dev);
246 pm_runtime_get_sync(&rt->dev);
248 if (!mutex_trylock(&rt->tb->lock)) {
253 if (!rt->nvm) {
263 rt->auth_status = 0;
273 tb_retimer_set_inbound_sbtx(rt->port);
275 ret = tb_retimer_nvm_authenticate(rt, true);
277 if (!rt->nvm->flushed) {
278 if (!rt->nvm->buf) {
283 ret = tb_retimer_nvm_validate_and_write(rt);
288 ret = tb_retimer_nvm_authenticate(rt, false);
294 tb_retimer_unset_inbound_sbtx(rt->port);
295 mutex_unlock(&rt->tb->lock);
297 pm_runtime_mark_last_busy(&rt->dev);
298 pm_runtime_put_autosuspend(&rt->dev);
309 struct tb_retimer *rt = tb_to_retimer(dev);
312 if (!mutex_trylock(&rt->tb->lock))
315 if (!rt->nvm)
318 ret = sysfs_emit(buf, "%x.%x\n", rt->nvm->major, rt->nvm->minor);
320 mutex_unlock(&rt->tb->lock);
328 struct tb_retimer *rt = tb_to_retimer(dev);
330 return sysfs_emit(buf, "%#x\n", rt->vendor);
353 struct tb_retimer *rt = tb_to_retimer(dev);
355 kfree(rt);
366 struct tb_retimer *rt;
394 rt = kzalloc(sizeof(*rt), GFP_KERNEL);
395 if (!rt)
398 rt->index = index;
399 rt->vendor = vendor;
400 rt->device = device;
401 rt->auth_status = auth_status;
402 rt->port = port;
403 rt->tb = port->sw->tb;
405 rt->dev.parent = &port->usb4->dev;
406 rt->dev.bus = &tb_bus_type;
407 rt->dev.type = &tb_retimer_type;
408 dev_set_name(&rt->dev, "%s:%u.%u", dev_name(&port->sw->dev),
411 ret = device_register(&rt->dev);
413 dev_err(&rt->dev, "failed to register retimer: %d\n", ret);
414 put_device(&rt->dev);
418 ret = tb_retimer_nvm_add(rt);
420 dev_err(&rt->dev, "failed to add NVM devices: %d\n", ret);
421 device_unregister(&rt->dev);
425 dev_info(&rt->dev, "new retimer found, vendor=%#x device=%#x\n",
426 rt->vendor, rt->device);
428 pm_runtime_no_callbacks(&rt->dev);
429 pm_runtime_set_active(&rt->dev);
430 pm_runtime_enable(&rt->dev);
431 pm_runtime_set_autosuspend_delay(&rt->dev, TB_AUTOSUSPEND_DELAY);
432 pm_runtime_mark_last_busy(&rt->dev);
433 pm_runtime_use_autosuspend(&rt->dev);
438 static void tb_retimer_remove(struct tb_retimer *rt)
440 dev_info(&rt->dev, "retimer disconnected\n");
441 tb_nvm_free(rt->nvm);
442 device_unregister(&rt->dev);
453 struct tb_retimer *rt = tb_to_retimer(dev);
455 return rt && rt->port == lookup->port && rt->index == lookup->index;
526 struct tb_retimer *rt;
528 rt = tb_port_find_retimer(port, i);
529 if (rt) {
530 put_device(&rt->dev);
543 struct tb_retimer *rt = tb_to_retimer(dev);
546 if (rt && rt->port == port)
547 tb_retimer_remove(rt);