Lines Matching full:rt
21 * @rt: Retimer device
29 int tb_retimer_nvm_read(struct tb_retimer *rt, unsigned int address, void *buf, in tb_retimer_nvm_read() argument
32 return usb4_port_retimer_nvm_read(rt->port, rt->index, address, buf, size); in tb_retimer_nvm_read()
38 struct tb_retimer *rt = tb_to_retimer(nvm->dev); in nvm_read() local
41 pm_runtime_get_sync(&rt->dev); in nvm_read()
43 if (!mutex_trylock(&rt->tb->lock)) { in nvm_read()
48 ret = tb_retimer_nvm_read(rt, offset, val, bytes); in nvm_read()
49 mutex_unlock(&rt->tb->lock); in nvm_read()
52 pm_runtime_mark_last_busy(&rt->dev); in nvm_read()
53 pm_runtime_put_autosuspend(&rt->dev); in nvm_read()
61 struct tb_retimer *rt = tb_to_retimer(nvm->dev); in nvm_write() local
64 if (!mutex_trylock(&rt->tb->lock)) in nvm_write()
68 mutex_unlock(&rt->tb->lock); in nvm_write()
73 static int tb_retimer_nvm_add(struct tb_retimer *rt) in tb_retimer_nvm_add() argument
78 nvm = tb_nvm_alloc(&rt->dev); in tb_retimer_nvm_add()
96 rt->nvm = nvm; in tb_retimer_nvm_add()
100 dev_dbg(&rt->dev, "NVM upgrade disabled\n"); in tb_retimer_nvm_add()
101 rt->no_nvm_upgrade = true; in tb_retimer_nvm_add()
108 static int tb_retimer_nvm_validate_and_write(struct tb_retimer *rt) in tb_retimer_nvm_validate_and_write() argument
114 ret = tb_nvm_validate(rt->nvm); in tb_retimer_nvm_validate_and_write()
118 buf = rt->nvm->buf_data_start; in tb_retimer_nvm_validate_and_write()
119 image_size = rt->nvm->buf_data_size; in tb_retimer_nvm_validate_and_write()
121 ret = usb4_port_retimer_nvm_write(rt->port, rt->index, 0, buf, in tb_retimer_nvm_validate_and_write()
126 rt->nvm->flushed = true; in tb_retimer_nvm_validate_and_write()
130 static int tb_retimer_nvm_authenticate(struct tb_retimer *rt, bool auth_only) in tb_retimer_nvm_authenticate() argument
136 ret = usb4_port_retimer_nvm_set_offset(rt->port, rt->index, 0); in tb_retimer_nvm_authenticate()
141 ret = usb4_port_retimer_nvm_authenticate(rt->port, rt->index); in tb_retimer_nvm_authenticate()
151 ret = usb4_port_retimer_nvm_authenticate_status(rt->port, rt->index, in tb_retimer_nvm_authenticate()
154 rt->auth_status = status; in tb_retimer_nvm_authenticate()
164 struct tb_retimer *rt = tb_to_retimer(dev); in device_show() local
166 return sysfs_emit(buf, "%#x\n", rt->device); in device_show()
173 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_authenticate_show() local
176 if (!mutex_trylock(&rt->tb->lock)) in nvm_authenticate_show()
179 if (!rt->nvm) in nvm_authenticate_show()
182 ret = sysfs_emit(buf, "%#x\n", rt->auth_status); in nvm_authenticate_show()
184 mutex_unlock(&rt->tb->lock); in nvm_authenticate_show()
242 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_authenticate_store() local
245 pm_runtime_get_sync(&rt->dev); in nvm_authenticate_store()
247 if (!mutex_trylock(&rt->tb->lock)) { in nvm_authenticate_store()
252 if (!rt->nvm) { in nvm_authenticate_store()
262 rt->auth_status = 0; in nvm_authenticate_store()
272 tb_retimer_set_inbound_sbtx(rt->port); in nvm_authenticate_store()
274 ret = tb_retimer_nvm_authenticate(rt, true); in nvm_authenticate_store()
276 if (!rt->nvm->flushed) { in nvm_authenticate_store()
277 if (!rt->nvm->buf) { in nvm_authenticate_store()
282 ret = tb_retimer_nvm_validate_and_write(rt); in nvm_authenticate_store()
287 ret = tb_retimer_nvm_authenticate(rt, false); in nvm_authenticate_store()
293 tb_retimer_unset_inbound_sbtx(rt->port); in nvm_authenticate_store()
294 mutex_unlock(&rt->tb->lock); in nvm_authenticate_store()
296 pm_runtime_mark_last_busy(&rt->dev); in nvm_authenticate_store()
297 pm_runtime_put_autosuspend(&rt->dev); in nvm_authenticate_store()
308 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_version_show() local
311 if (!mutex_trylock(&rt->tb->lock)) in nvm_version_show()
314 if (!rt->nvm) in nvm_version_show()
317 ret = sysfs_emit(buf, "%x.%x\n", rt->nvm->major, rt->nvm->minor); in nvm_version_show()
319 mutex_unlock(&rt->tb->lock); in nvm_version_show()
327 struct tb_retimer *rt = tb_to_retimer(dev); in vendor_show() local
329 return sysfs_emit(buf, "%#x\n", rt->vendor); in vendor_show()
337 struct tb_retimer *rt = tb_to_retimer(dev); in retimer_is_visible() local
341 return rt->no_nvm_upgrade ? 0 : attr->mode; in retimer_is_visible()
366 struct tb_retimer *rt = tb_to_retimer(dev); in tb_retimer_release() local
368 kfree(rt); in tb_retimer_release()
379 struct tb_retimer *rt; in tb_retimer_add() local
407 rt = kzalloc(sizeof(*rt), GFP_KERNEL); in tb_retimer_add()
408 if (!rt) in tb_retimer_add()
411 rt->index = index; in tb_retimer_add()
412 rt->vendor = vendor; in tb_retimer_add()
413 rt->device = device; in tb_retimer_add()
414 rt->auth_status = auth_status; in tb_retimer_add()
415 rt->port = port; in tb_retimer_add()
416 rt->tb = port->sw->tb; in tb_retimer_add()
418 rt->dev.parent = &port->usb4->dev; in tb_retimer_add()
419 rt->dev.bus = &tb_bus_type; in tb_retimer_add()
420 rt->dev.type = &tb_retimer_type; in tb_retimer_add()
421 dev_set_name(&rt->dev, "%s:%u.%u", dev_name(&port->sw->dev), in tb_retimer_add()
424 ret = device_register(&rt->dev); in tb_retimer_add()
426 dev_err(&rt->dev, "failed to register retimer: %d\n", ret); in tb_retimer_add()
427 put_device(&rt->dev); in tb_retimer_add()
431 ret = tb_retimer_nvm_add(rt); in tb_retimer_add()
433 dev_err(&rt->dev, "failed to add NVM devices: %d\n", ret); in tb_retimer_add()
434 device_unregister(&rt->dev); in tb_retimer_add()
438 dev_info(&rt->dev, "new retimer found, vendor=%#x device=%#x\n", in tb_retimer_add()
439 rt->vendor, rt->device); in tb_retimer_add()
441 pm_runtime_no_callbacks(&rt->dev); in tb_retimer_add()
442 pm_runtime_set_active(&rt->dev); in tb_retimer_add()
443 pm_runtime_enable(&rt->dev); in tb_retimer_add()
444 pm_runtime_set_autosuspend_delay(&rt->dev, TB_AUTOSUSPEND_DELAY); in tb_retimer_add()
445 pm_runtime_mark_last_busy(&rt->dev); in tb_retimer_add()
446 pm_runtime_use_autosuspend(&rt->dev); in tb_retimer_add()
451 static void tb_retimer_remove(struct tb_retimer *rt) in tb_retimer_remove() argument
453 dev_info(&rt->dev, "retimer disconnected\n"); in tb_retimer_remove()
454 tb_nvm_free(rt->nvm); in tb_retimer_remove()
455 device_unregister(&rt->dev); in tb_retimer_remove()
466 struct tb_retimer *rt = tb_to_retimer(dev); in retimer_match() local
468 return rt && rt->port == lookup->port && rt->index == lookup->index; in retimer_match()
499 * Send broadcast RT to make sure retimer indices facing this in tb_retimer_scan()
539 struct tb_retimer *rt; in tb_retimer_scan() local
541 rt = tb_port_find_retimer(port, i); in tb_retimer_scan()
542 if (rt) { in tb_retimer_scan()
543 put_device(&rt->dev); in tb_retimer_scan()
556 struct tb_retimer *rt = tb_to_retimer(dev); in remove_retimer() local
559 if (rt && rt->port == port) in remove_retimer()
560 tb_retimer_remove(rt); in remove_retimer()