Lines Matching refs:hub
237 static int usb251x_check_gpio_chip(struct usb251xb *hub) in usb251x_check_gpio_chip() argument
239 struct gpio_chip *gc = gpiod_to_chip(hub->gpio_reset); in usb251x_check_gpio_chip()
240 struct i2c_adapter *adap = hub->i2c->adapter; in usb251x_check_gpio_chip()
243 if (!hub->gpio_reset) in usb251x_check_gpio_chip()
251 dev_err(hub->dev, "Reset GPIO chip is at the same i2c-bus\n"); in usb251x_check_gpio_chip()
258 static int usb251x_check_gpio_chip(struct usb251xb *hub) in usb251x_check_gpio_chip() argument
264 static void usb251xb_reset(struct usb251xb *hub, int state) in usb251xb_reset() argument
266 if (!hub->gpio_reset) in usb251xb_reset()
269 i2c_lock_bus(hub->i2c->adapter, I2C_LOCK_SEGMENT); in usb251xb_reset()
271 gpiod_set_value_cansleep(hub->gpio_reset, state); in usb251xb_reset()
279 i2c_unlock_bus(hub->i2c->adapter, I2C_LOCK_SEGMENT); in usb251xb_reset()
282 static int usb251xb_connect(struct usb251xb *hub) in usb251xb_connect() argument
284 struct device *dev = hub->dev; in usb251xb_connect()
290 if (hub->skip_config) { in usb251xb_connect()
295 usb251xb_reset(hub, 0); in usb251xb_connect()
297 err = i2c_smbus_write_i2c_block_data(hub->i2c, in usb251xb_connect()
306 i2c_wb[USB251XB_ADDR_VENDOR_ID_MSB] = (hub->vendor_id >> 8) & 0xFF; in usb251xb_connect()
307 i2c_wb[USB251XB_ADDR_VENDOR_ID_LSB] = hub->vendor_id & 0xFF; in usb251xb_connect()
308 i2c_wb[USB251XB_ADDR_PRODUCT_ID_MSB] = (hub->product_id >> 8) & 0xFF; in usb251xb_connect()
309 i2c_wb[USB251XB_ADDR_PRODUCT_ID_LSB] = hub->product_id & 0xFF; in usb251xb_connect()
310 i2c_wb[USB251XB_ADDR_DEVICE_ID_MSB] = (hub->device_id >> 8) & 0xFF; in usb251xb_connect()
311 i2c_wb[USB251XB_ADDR_DEVICE_ID_LSB] = hub->device_id & 0xFF; in usb251xb_connect()
312 i2c_wb[USB251XB_ADDR_CONFIG_DATA_1] = hub->conf_data1; in usb251xb_connect()
313 i2c_wb[USB251XB_ADDR_CONFIG_DATA_2] = hub->conf_data2; in usb251xb_connect()
314 i2c_wb[USB251XB_ADDR_CONFIG_DATA_3] = hub->conf_data3; in usb251xb_connect()
315 i2c_wb[USB251XB_ADDR_NON_REMOVABLE_DEVICES] = hub->non_rem_dev; in usb251xb_connect()
316 i2c_wb[USB251XB_ADDR_PORT_DISABLE_SELF] = hub->port_disable_sp; in usb251xb_connect()
317 i2c_wb[USB251XB_ADDR_PORT_DISABLE_BUS] = hub->port_disable_bp; in usb251xb_connect()
318 i2c_wb[USB251XB_ADDR_MAX_POWER_SELF] = hub->max_power_sp; in usb251xb_connect()
319 i2c_wb[USB251XB_ADDR_MAX_POWER_BUS] = hub->max_power_bp; in usb251xb_connect()
320 i2c_wb[USB251XB_ADDR_MAX_CURRENT_SELF] = hub->max_current_sp; in usb251xb_connect()
321 i2c_wb[USB251XB_ADDR_MAX_CURRENT_BUS] = hub->max_current_bp; in usb251xb_connect()
322 i2c_wb[USB251XB_ADDR_POWER_ON_TIME] = hub->power_on_time; in usb251xb_connect()
323 i2c_wb[USB251XB_ADDR_LANGUAGE_ID_HIGH] = (hub->lang_id >> 8) & 0xFF; in usb251xb_connect()
324 i2c_wb[USB251XB_ADDR_LANGUAGE_ID_LOW] = hub->lang_id & 0xFF; in usb251xb_connect()
325 i2c_wb[USB251XB_ADDR_MANUFACTURER_STRING_LEN] = hub->manufacturer_len; in usb251xb_connect()
326 i2c_wb[USB251XB_ADDR_PRODUCT_STRING_LEN] = hub->product_len; in usb251xb_connect()
327 i2c_wb[USB251XB_ADDR_SERIAL_STRING_LEN] = hub->serial_len; in usb251xb_connect()
328 memcpy(&i2c_wb[USB251XB_ADDR_MANUFACTURER_STRING], hub->manufacturer, in usb251xb_connect()
330 memcpy(&i2c_wb[USB251XB_ADDR_SERIAL_STRING], hub->serial, in usb251xb_connect()
332 memcpy(&i2c_wb[USB251XB_ADDR_PRODUCT_STRING], hub->product, in usb251xb_connect()
334 i2c_wb[USB251XB_ADDR_BATTERY_CHARGING_ENABLE] = hub->bat_charge_en; in usb251xb_connect()
335 i2c_wb[USB251XB_ADDR_BOOST_UP] = hub->boost_up; in usb251xb_connect()
336 i2c_wb[USB251XB_ADDR_BOOST_57] = hub->boost_57; in usb251xb_connect()
337 i2c_wb[USB251XB_ADDR_BOOST_14] = hub->boost_14; in usb251xb_connect()
338 i2c_wb[USB251XB_ADDR_PORT_SWAP] = hub->port_swap; in usb251xb_connect()
339 i2c_wb[USB251XB_ADDR_PORT_MAP_12] = hub->port_map12; in usb251xb_connect()
340 i2c_wb[USB251XB_ADDR_PORT_MAP_34] = hub->port_map34; in usb251xb_connect()
341 i2c_wb[USB251XB_ADDR_PORT_MAP_56] = hub->port_map56; in usb251xb_connect()
342 i2c_wb[USB251XB_ADDR_PORT_MAP_7] = hub->port_map7; in usb251xb_connect()
345 usb251xb_reset(hub, 0); in usb251xb_connect()
361 err = i2c_smbus_write_i2c_block_data(hub->i2c, offset, in usb251xb_connect()
377 static void usb251xb_get_ports_field(struct usb251xb *hub, in usb251xb_get_ports_field() argument
381 struct device *dev = hub->dev; in usb251xb_get_ports_field()
394 static int usb251xb_get_ofdata(struct usb251xb *hub, in usb251xb_get_ofdata() argument
397 struct device *dev = hub->dev; in usb251xb_get_ofdata()
410 hub->skip_config = 1; in usb251xb_get_ofdata()
412 hub->skip_config = 0; in usb251xb_get_ofdata()
414 hub->gpio_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); in usb251xb_get_ofdata()
415 if (PTR_ERR(hub->gpio_reset) == -EPROBE_DEFER) { in usb251xb_get_ofdata()
417 } else if (IS_ERR(hub->gpio_reset)) { in usb251xb_get_ofdata()
418 err = PTR_ERR(hub->gpio_reset); in usb251xb_get_ofdata()
423 if (of_property_read_u16_array(np, "vendor-id", &hub->vendor_id, 1)) in usb251xb_get_ofdata()
424 hub->vendor_id = USB251XB_DEF_VENDOR_ID; in usb251xb_get_ofdata()
427 &hub->product_id, 1)) in usb251xb_get_ofdata()
428 hub->product_id = data->product_id; in usb251xb_get_ofdata()
430 if (of_property_read_u16_array(np, "device-id", &hub->device_id, 1)) in usb251xb_get_ofdata()
431 hub->device_id = USB251XB_DEF_DEVICE_ID; in usb251xb_get_ofdata()
433 hub->conf_data1 = USB251XB_DEF_CONFIG_DATA_1; in usb251xb_get_ofdata()
435 hub->conf_data1 |= BIT(7); in usb251xb_get_ofdata()
438 hub->conf_data1 &= ~BIT(2); in usb251xb_get_ofdata()
440 hub->conf_data1 &= ~BIT(1); in usb251xb_get_ofdata()
442 hub->conf_data1 |= BIT(1); in usb251xb_get_ofdata()
444 hub->conf_data1 &= ~BIT(7); in usb251xb_get_ofdata()
447 hub->conf_data1 |= BIT(2); in usb251xb_get_ofdata()
451 hub->conf_data1 |= BIT(5); in usb251xb_get_ofdata()
454 hub->conf_data1 |= BIT(4); in usb251xb_get_ofdata()
456 hub->conf_data1 &= ~BIT(4); in usb251xb_get_ofdata()
459 hub->conf_data1 |= BIT(3); in usb251xb_get_ofdata()
462 hub->conf_data1 |= BIT(0); in usb251xb_get_ofdata()
464 hub->conf_data1 &= ~BIT(0); in usb251xb_get_ofdata()
466 hub->conf_data2 = USB251XB_DEF_CONFIG_DATA_2; in usb251xb_get_ofdata()
468 hub->conf_data2 |= BIT(7); in usb251xb_get_ofdata()
473 hub->conf_data2 &= ~BIT(5); in usb251xb_get_ofdata()
474 hub->conf_data2 &= ~BIT(4); in usb251xb_get_ofdata()
477 hub->conf_data2 &= ~BIT(5); in usb251xb_get_ofdata()
478 hub->conf_data2 |= BIT(4); in usb251xb_get_ofdata()
481 hub->conf_data2 |= BIT(5); in usb251xb_get_ofdata()
482 hub->conf_data2 |= BIT(4); in usb251xb_get_ofdata()
485 hub->conf_data2 |= BIT(5); in usb251xb_get_ofdata()
486 hub->conf_data2 &= ~BIT(4); in usb251xb_get_ofdata()
491 hub->conf_data2 |= BIT(3); in usb251xb_get_ofdata()
493 hub->conf_data3 = USB251XB_DEF_CONFIG_DATA_3; in usb251xb_get_ofdata()
495 hub->conf_data3 |= BIT(3); in usb251xb_get_ofdata()
498 hub->conf_data3 &= ~BIT(1); in usb251xb_get_ofdata()
501 hub->conf_data3 |= BIT(0); in usb251xb_get_ofdata()
503 hub->non_rem_dev = USB251XB_DEF_NON_REMOVABLE_DEVICES; in usb251xb_get_ofdata()
504 usb251xb_get_ports_field(hub, "non-removable-ports", data->port_cnt, in usb251xb_get_ofdata()
505 true, &hub->non_rem_dev); in usb251xb_get_ofdata()
507 hub->port_disable_sp = USB251XB_DEF_PORT_DISABLE_SELF; in usb251xb_get_ofdata()
508 usb251xb_get_ports_field(hub, "sp-disabled-ports", data->port_cnt, in usb251xb_get_ofdata()
509 true, &hub->port_disable_sp); in usb251xb_get_ofdata()
511 hub->port_disable_bp = USB251XB_DEF_PORT_DISABLE_BUS; in usb251xb_get_ofdata()
512 usb251xb_get_ports_field(hub, "bp-disabled-ports", data->port_cnt, in usb251xb_get_ofdata()
513 true, &hub->port_disable_bp); in usb251xb_get_ofdata()
515 hub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF; in usb251xb_get_ofdata()
518 hub->max_power_sp = min_t(u8, property_u32 / 2000, 50); in usb251xb_get_ofdata()
520 hub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS; in usb251xb_get_ofdata()
523 hub->max_power_bp = min_t(u8, property_u32 / 2000, 255); in usb251xb_get_ofdata()
525 hub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF; in usb251xb_get_ofdata()
528 hub->max_current_sp = min_t(u8, property_u32 / 2000, 50); in usb251xb_get_ofdata()
530 hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS; in usb251xb_get_ofdata()
533 hub->max_current_bp = min_t(u8, property_u32 / 2000, 255); in usb251xb_get_ofdata()
535 hub->power_on_time = USB251XB_DEF_POWER_ON_TIME; in usb251xb_get_ofdata()
537 hub->power_on_time = min_t(u8, property_u32 / 2, 255); in usb251xb_get_ofdata()
539 if (of_property_read_u16_array(np, "language-id", &hub->lang_id, 1)) in usb251xb_get_ofdata()
540 hub->lang_id = USB251XB_DEF_LANGUAGE_ID; in usb251xb_get_ofdata()
545 hub->manufacturer_len = strlen(str) & 0xFF; in usb251xb_get_ofdata()
546 memset(hub->manufacturer, 0, USB251XB_STRING_BUFSIZE); in usb251xb_get_ofdata()
549 (wchar_t *)hub->manufacturer, in usb251xb_get_ofdata()
554 hub->product_len = strlen(str) & 0xFF; in usb251xb_get_ofdata()
555 memset(hub->product, 0, USB251XB_STRING_BUFSIZE); in usb251xb_get_ofdata()
558 (wchar_t *)hub->product, in usb251xb_get_ofdata()
564 hub->serial_len = strlen(str) & 0xFF; in usb251xb_get_ofdata()
565 memset(hub->serial, 0, USB251XB_STRING_BUFSIZE); in usb251xb_get_ofdata()
568 (wchar_t *)hub->serial, in usb251xb_get_ofdata()
575 hub->port_swap = USB251XB_DEF_PORT_SWAP; in usb251xb_get_ofdata()
576 usb251xb_get_ports_field(hub, "swap-dx-lanes", data->port_cnt, in usb251xb_get_ofdata()
577 false, &hub->port_swap); in usb251xb_get_ofdata()
582 hub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE; in usb251xb_get_ofdata()
583 hub->boost_up = USB251XB_DEF_BOOST_UP; in usb251xb_get_ofdata()
584 hub->boost_57 = USB251XB_DEF_BOOST_57; in usb251xb_get_ofdata()
585 hub->boost_14 = USB251XB_DEF_BOOST_14; in usb251xb_get_ofdata()
586 hub->port_map12 = USB251XB_DEF_PORT_MAP_12; in usb251xb_get_ofdata()
587 hub->port_map34 = USB251XB_DEF_PORT_MAP_34; in usb251xb_get_ofdata()
588 hub->port_map56 = USB251XB_DEF_PORT_MAP_56; in usb251xb_get_ofdata()
589 hub->port_map7 = USB251XB_DEF_PORT_MAP_7; in usb251xb_get_ofdata()
625 static int usb251xb_get_ofdata(struct usb251xb *hub, in usb251xb_get_ofdata() argument
632 static int usb251xb_probe(struct usb251xb *hub) in usb251xb_probe() argument
634 struct device *dev = hub->dev; in usb251xb_probe()
641 err = usb251xb_get_ofdata(hub, in usb251xb_probe()
664 err = usb251x_check_gpio_chip(hub); in usb251xb_probe()
668 err = usb251xb_connect(hub); in usb251xb_probe()
682 struct usb251xb *hub; in usb251xb_i2c_probe() local
684 hub = devm_kzalloc(&i2c->dev, sizeof(struct usb251xb), GFP_KERNEL); in usb251xb_i2c_probe()
685 if (!hub) in usb251xb_i2c_probe()
688 i2c_set_clientdata(i2c, hub); in usb251xb_i2c_probe()
689 hub->dev = &i2c->dev; in usb251xb_i2c_probe()
690 hub->i2c = i2c; in usb251xb_i2c_probe()
692 return usb251xb_probe(hub); in usb251xb_i2c_probe()