Lines Matching refs:rt
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()
112 static int tb_retimer_nvm_validate_and_write(struct tb_retimer *rt) in tb_retimer_nvm_validate_and_write() argument
118 ret = tb_nvm_validate(rt->nvm); in tb_retimer_nvm_validate_and_write()
122 buf = rt->nvm->buf_data_start; in tb_retimer_nvm_validate_and_write()
123 image_size = rt->nvm->buf_data_size; in tb_retimer_nvm_validate_and_write()
125 ret = usb4_port_retimer_nvm_write(rt->port, rt->index, 0, buf, in tb_retimer_nvm_validate_and_write()
130 rt->nvm->flushed = true; in tb_retimer_nvm_validate_and_write()
134 static int tb_retimer_nvm_authenticate(struct tb_retimer *rt, bool auth_only) in tb_retimer_nvm_authenticate() argument
140 ret = usb4_port_retimer_nvm_set_offset(rt->port, rt->index, 0); in tb_retimer_nvm_authenticate()
145 ret = usb4_port_retimer_nvm_authenticate(rt->port, rt->index); in tb_retimer_nvm_authenticate()
155 ret = usb4_port_retimer_nvm_authenticate_status(rt->port, rt->index, in tb_retimer_nvm_authenticate()
158 rt->auth_status = status; in tb_retimer_nvm_authenticate()
168 struct tb_retimer *rt = tb_to_retimer(dev); in device_show() local
170 return sysfs_emit(buf, "%#x\n", rt->device); in device_show()
177 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_authenticate_show() local
180 if (!mutex_trylock(&rt->tb->lock)) in nvm_authenticate_show()
183 if (!rt->nvm) in nvm_authenticate_show()
185 else if (rt->no_nvm_upgrade) in nvm_authenticate_show()
188 ret = sysfs_emit(buf, "%#x\n", rt->auth_status); in nvm_authenticate_show()
190 mutex_unlock(&rt->tb->lock); in nvm_authenticate_show()
252 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_authenticate_store() local
255 pm_runtime_get_sync(&rt->dev); in nvm_authenticate_store()
257 if (!mutex_trylock(&rt->tb->lock)) { in nvm_authenticate_store()
262 if (!rt->nvm) { in nvm_authenticate_store()
272 rt->auth_status = 0; in nvm_authenticate_store()
282 tb_retimer_set_inbound_sbtx(rt->port); in nvm_authenticate_store()
284 ret = tb_retimer_nvm_authenticate(rt, true); in nvm_authenticate_store()
286 if (!rt->nvm->flushed) { in nvm_authenticate_store()
287 if (!rt->nvm->buf) { in nvm_authenticate_store()
292 ret = tb_retimer_nvm_validate_and_write(rt); in nvm_authenticate_store()
297 ret = tb_retimer_nvm_authenticate(rt, false); in nvm_authenticate_store()
303 tb_retimer_unset_inbound_sbtx(rt->port); in nvm_authenticate_store()
304 mutex_unlock(&rt->tb->lock); in nvm_authenticate_store()
306 pm_runtime_mark_last_busy(&rt->dev); in nvm_authenticate_store()
307 pm_runtime_put_autosuspend(&rt->dev); in nvm_authenticate_store()
318 struct tb_retimer *rt = tb_to_retimer(dev); in nvm_version_show() local
321 if (!mutex_trylock(&rt->tb->lock)) in nvm_version_show()
324 if (!rt->nvm) in nvm_version_show()
326 else if (rt->no_nvm_upgrade) in nvm_version_show()
329 ret = sysfs_emit(buf, "%x.%x\n", rt->nvm->major, rt->nvm->minor); in nvm_version_show()
331 mutex_unlock(&rt->tb->lock); in nvm_version_show()
339 struct tb_retimer *rt = tb_to_retimer(dev); in vendor_show() local
341 return sysfs_emit(buf, "%#x\n", rt->vendor); in vendor_show()
364 struct tb_retimer *rt = tb_to_retimer(dev); in tb_retimer_release() local
366 kfree(rt); in tb_retimer_release()
378 struct tb_retimer *rt; in tb_retimer_add() local
399 rt = kzalloc(sizeof(*rt), GFP_KERNEL); in tb_retimer_add()
400 if (!rt) in tb_retimer_add()
403 rt->index = index; in tb_retimer_add()
404 rt->vendor = vendor; in tb_retimer_add()
405 rt->device = device; in tb_retimer_add()
406 rt->auth_status = auth_status; in tb_retimer_add()
407 rt->port = port; in tb_retimer_add()
408 rt->tb = port->sw->tb; in tb_retimer_add()
415 rt->no_nvm_upgrade = true; in tb_retimer_add()
417 rt->dev.parent = &port->usb4->dev; in tb_retimer_add()
418 rt->dev.bus = &tb_bus_type; in tb_retimer_add()
419 rt->dev.type = &tb_retimer_type; in tb_retimer_add()
420 dev_set_name(&rt->dev, "%s:%u.%u", dev_name(&port->sw->dev), in tb_retimer_add()
423 ret = device_register(&rt->dev); in tb_retimer_add()
425 dev_err(&rt->dev, "failed to register retimer: %d\n", ret); in tb_retimer_add()
426 put_device(&rt->dev); in tb_retimer_add()
430 ret = tb_retimer_nvm_add(rt); in tb_retimer_add()
432 dev_err(&rt->dev, "failed to add NVM devices: %d\n", ret); in tb_retimer_add()
433 device_unregister(&rt->dev); in tb_retimer_add()
437 dev_info(&rt->dev, "new retimer found, vendor=%#x device=%#x\n", in tb_retimer_add()
438 rt->vendor, rt->device); in tb_retimer_add()
440 pm_runtime_no_callbacks(&rt->dev); in tb_retimer_add()
441 pm_runtime_set_active(&rt->dev); in tb_retimer_add()
442 pm_runtime_enable(&rt->dev); in tb_retimer_add()
443 pm_runtime_set_autosuspend_delay(&rt->dev, TB_AUTOSUSPEND_DELAY); in tb_retimer_add()
444 pm_runtime_mark_last_busy(&rt->dev); in tb_retimer_add()
445 pm_runtime_use_autosuspend(&rt->dev); in tb_retimer_add()
447 tb_retimer_debugfs_init(rt); 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_retimer_debugfs_remove(rt); in tb_retimer_remove()
455 tb_nvm_free(rt->nvm); in tb_retimer_remove()
456 device_unregister(&rt->dev); in tb_retimer_remove()
467 struct tb_retimer *rt = tb_to_retimer(dev); in retimer_match() local
469 return rt && rt->port == lookup->port && rt->index == lookup->index; in retimer_match()
540 struct tb_retimer *rt; in tb_retimer_scan() local
546 rt = tb_port_find_retimer(port, i); in tb_retimer_scan()
547 if (rt) { in tb_retimer_scan()
548 put_device(&rt->dev); in tb_retimer_scan()
562 struct tb_retimer *rt = tb_to_retimer(dev); in remove_retimer() local
565 if (rt && rt->port == port) in remove_retimer()
566 tb_retimer_remove(rt); in remove_retimer()