Lines Matching full:rt
25 * @rt: Retimer device
33 int tb_retimer_nvm_read(struct tb_retimer *rt, unsigned int address, void *buf, in tb_retimer_nvm_read() argument
36 return usb4_port_retimer_nvm_read(rt->port, rt->index, address, buf, size); in tb_retimer_nvm_read()
42 struct tb_retimer *rt = tb_to_retimer(nvm->dev); in nvm_read() local
45 pm_runtime_get_sync(&rt->dev); in nvm_read()
47 if (!mutex_trylock(&rt->tb->lock)) { in nvm_read()
52 ret = tb_retimer_nvm_read(rt, offset, val, bytes); in nvm_read()
53 mutex_unlock(&rt->tb->lock); in nvm_read()
56 pm_runtime_mark_last_busy(&rt->dev); in nvm_read()
57 pm_runtime_put_autosuspend(&rt->dev); in nvm_read()
65 struct tb_retimer *rt = tb_to_retimer(nvm->dev); in nvm_write() local
68 if (!mutex_trylock(&rt->tb->lock)) in nvm_write()
72 mutex_unlock(&rt->tb->lock); in nvm_write()
77 static int tb_retimer_nvm_add(struct tb_retimer *rt) in tb_retimer_nvm_add() argument
82 nvm = tb_nvm_alloc(&rt->dev); in tb_retimer_nvm_add()
100 rt->nvm = nvm; in tb_retimer_nvm_add()
101 dev_dbg(&rt->dev, "NVM version %x.%x\n", nvm->major, nvm->minor); in tb_retimer_nvm_add()
105 dev_dbg(&rt->dev, "NVM upgrade disabled\n"); in tb_retimer_nvm_add()
106 rt->no_nvm_upgrade = true; in tb_retimer_nvm_add()
113 static int tb_retimer_nvm_validate_and_write(struct tb_retimer *rt) in tb_retimer_nvm_validate_and_write() argument
119 ret = tb_nvm_validate(rt->nvm); in tb_retimer_nvm_validate_and_write()
123 buf = rt->nvm->buf_data_start; in tb_retimer_nvm_validate_and_write()
124 image_size = rt->nvm->buf_data_size; in tb_retimer_nvm_validate_and_write()
126 ret = usb4_port_retimer_nvm_write(rt->port, rt->index, 0, buf, in tb_retimer_nvm_validate_and_write()
131 rt->nvm->flushed = true; in tb_retimer_nvm_validate_and_write()
135 static int tb_retimer_nvm_authenticate(struct tb_retimer *rt, bool auth_only) in tb_retimer_nvm_authenticate() argument
141 ret = usb4_port_retimer_nvm_set_offset(rt->port, rt->index, 0); in tb_retimer_nvm_authenticate()
146 ret = usb4_port_retimer_nvm_authenticate(rt->port, rt->index); in tb_retimer_nvm_authenticate()
156 ret = usb4_port_retimer_nvm_authenticate_status(rt->port, rt->index, in tb_retimer_nvm_authenticate()
159 rt->auth_status = status; in tb_retimer_nvm_authenticate()
169 struct tb_retimer *rt = tb_to_retimer(dev); in device_show() local
171 return sysfs_emit(buf, "%#x\n", rt->device); in device_show()
178 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_authenticate_show() local
181 if (!mutex_trylock(&rt->tb->lock)) in nvm_authenticate_show()
184 if (!rt->nvm) in nvm_authenticate_show()
187 ret = sysfs_emit(buf, "%#x\n", rt->auth_status); in nvm_authenticate_show()
189 mutex_unlock(&rt->tb->lock); in nvm_authenticate_show()
251 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_authenticate_store() local
254 pm_runtime_get_sync(&rt->dev); in nvm_authenticate_store()
256 if (!mutex_trylock(&rt->tb->lock)) { in nvm_authenticate_store()
261 if (!rt->nvm) { in nvm_authenticate_store()
271 rt->auth_status = 0; in nvm_authenticate_store()
281 tb_retimer_set_inbound_sbtx(rt->port); in nvm_authenticate_store()
283 ret = tb_retimer_nvm_authenticate(rt, true); in nvm_authenticate_store()
285 if (!rt->nvm->flushed) { in nvm_authenticate_store()
286 if (!rt->nvm->buf) { in nvm_authenticate_store()
291 ret = tb_retimer_nvm_validate_and_write(rt); in nvm_authenticate_store()
296 ret = tb_retimer_nvm_authenticate(rt, false); in nvm_authenticate_store()
302 tb_retimer_unset_inbound_sbtx(rt->port); in nvm_authenticate_store()
303 mutex_unlock(&rt->tb->lock); in nvm_authenticate_store()
305 pm_runtime_mark_last_busy(&rt->dev); in nvm_authenticate_store()
306 pm_runtime_put_autosuspend(&rt->dev); in nvm_authenticate_store()
317 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_version_show() local
320 if (!mutex_trylock(&rt->tb->lock)) in nvm_version_show()
323 if (!rt->nvm) in nvm_version_show()
326 ret = sysfs_emit(buf, "%x.%x\n", rt->nvm->major, rt->nvm->minor); in nvm_version_show()
328 mutex_unlock(&rt->tb->lock); in nvm_version_show()
336 struct tb_retimer *rt = tb_to_retimer(dev); in vendor_show() local
338 return sysfs_emit(buf, "%#x\n", rt->vendor); in vendor_show()
346 struct tb_retimer *rt = tb_to_retimer(dev); in retimer_is_visible() local
350 return rt->no_nvm_upgrade ? 0 : attr->mode; in retimer_is_visible()
375 struct tb_retimer *rt = tb_to_retimer(dev); in tb_retimer_release() local
377 kfree(rt); in tb_retimer_release()
389 struct tb_retimer *rt; in tb_retimer_add() local
410 rt = kzalloc(sizeof(*rt), GFP_KERNEL); in tb_retimer_add()
411 if (!rt) in tb_retimer_add()
414 rt->index = index; in tb_retimer_add()
415 rt->vendor = vendor; in tb_retimer_add()
416 rt->device = device; in tb_retimer_add()
417 rt->auth_status = auth_status; in tb_retimer_add()
418 rt->port = port; in tb_retimer_add()
419 rt->tb = port->sw->tb; in tb_retimer_add()
426 rt->no_nvm_upgrade = true; in tb_retimer_add()
428 rt->dev.parent = &port->usb4->dev; in tb_retimer_add()
429 rt->dev.bus = &tb_bus_type; in tb_retimer_add()
430 rt->dev.type = &tb_retimer_type; in tb_retimer_add()
431 dev_set_name(&rt->dev, "%s:%u.%u", dev_name(&port->sw->dev), in tb_retimer_add()
434 ret = device_register(&rt->dev); in tb_retimer_add()
436 dev_err(&rt->dev, "failed to register retimer: %d\n", ret); in tb_retimer_add()
437 put_device(&rt->dev); in tb_retimer_add()
441 ret = tb_retimer_nvm_add(rt); in tb_retimer_add()
443 dev_err(&rt->dev, "failed to add NVM devices: %d\n", ret); in tb_retimer_add()
444 device_unregister(&rt->dev); in tb_retimer_add()
448 dev_info(&rt->dev, "new retimer found, vendor=%#x device=%#x\n", in tb_retimer_add()
449 rt->vendor, rt->device); in tb_retimer_add()
451 pm_runtime_no_callbacks(&rt->dev); in tb_retimer_add()
452 pm_runtime_set_active(&rt->dev); in tb_retimer_add()
453 pm_runtime_enable(&rt->dev); in tb_retimer_add()
454 pm_runtime_set_autosuspend_delay(&rt->dev, TB_AUTOSUSPEND_DELAY); in tb_retimer_add()
455 pm_runtime_mark_last_busy(&rt->dev); in tb_retimer_add()
456 pm_runtime_use_autosuspend(&rt->dev); in tb_retimer_add()
458 tb_retimer_debugfs_init(rt); in tb_retimer_add()
462 static void tb_retimer_remove(struct tb_retimer *rt) in tb_retimer_remove() argument
464 dev_info(&rt->dev, "retimer disconnected\n"); in tb_retimer_remove()
465 tb_retimer_debugfs_remove(rt); in tb_retimer_remove()
466 tb_nvm_free(rt->nvm); in tb_retimer_remove()
467 device_unregister(&rt->dev); in tb_retimer_remove()
478 struct tb_retimer *rt = tb_to_retimer(dev); in retimer_match() local
480 return rt && rt->port == lookup->port && rt->index == lookup->index; in retimer_match()
511 * Send broadcast RT to make sure retimer indices facing this in tb_retimer_scan()
551 struct tb_retimer *rt; in tb_retimer_scan() local
557 rt = tb_port_find_retimer(port, i); in tb_retimer_scan()
558 if (rt) { in tb_retimer_scan()
559 put_device(&rt->dev); in tb_retimer_scan()
573 struct tb_retimer *rt = tb_to_retimer(dev); in remove_retimer() local
576 if (rt && rt->port == port) in remove_retimer()
577 tb_retimer_remove(rt); in remove_retimer()