Lines Matching refs:ddata
140 static bool cpcap_usb_vbus_valid(struct cpcap_phy_ddata *ddata) in cpcap_usb_vbus_valid() argument
144 error = iio_read_channel_processed(ddata->vbus, &value); in cpcap_usb_vbus_valid()
148 dev_err(ddata->dev, "error reading VBUS: %i\n", error); in cpcap_usb_vbus_valid()
176 static int cpcap_phy_get_ints_state(struct cpcap_phy_ddata *ddata, in cpcap_phy_get_ints_state() argument
181 error = regmap_read(ddata->reg, CPCAP_REG_INTS1, &val); in cpcap_phy_get_ints_state()
189 error = regmap_read(ddata->reg, CPCAP_REG_INTS2, &val); in cpcap_phy_get_ints_state()
198 error = regmap_read(ddata->reg, CPCAP_REG_INTS4, &val); in cpcap_phy_get_ints_state()
208 static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata);
209 static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata);
211 static void cpcap_usb_try_musb_mailbox(struct cpcap_phy_ddata *ddata, in cpcap_usb_try_musb_mailbox() argument
220 dev_dbg(ddata->dev, "%s: musb_mailbox failed: %i\n", in cpcap_usb_try_musb_mailbox()
226 struct cpcap_phy_ddata *ddata; in cpcap_usb_detect() local
231 ddata = container_of(work, struct cpcap_phy_ddata, detect_work.work); in cpcap_usb_detect()
233 error = cpcap_phy_get_ints_state(ddata, &s); in cpcap_usb_detect()
237 vbus = cpcap_usb_vbus_valid(ddata); in cpcap_usb_detect()
240 if (s.id_ground && ddata->vbus_provider) { in cpcap_usb_detect()
241 dev_dbg(ddata->dev, "still in USB A-host mode, kicking VBUS\n"); in cpcap_usb_detect()
243 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
245 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_detect()
255 if (vbus && s.id_ground && ddata->docked) { in cpcap_usb_detect()
256 dev_dbg(ddata->dev, "still docked as A-host, signal ID down\n"); in cpcap_usb_detect()
258 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
264 if (vbus && s.id_ground && !ddata->vbus_provider) { in cpcap_usb_detect()
265 dev_dbg(ddata->dev, "connected to a dock\n"); in cpcap_usb_detect()
267 ddata->docked = true; in cpcap_usb_detect()
269 error = cpcap_usb_set_usb_mode(ddata); in cpcap_usb_detect()
273 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
280 schedule_delayed_work(&ddata->detect_work, in cpcap_usb_detect()
286 if (s.id_ground && !ddata->docked) { in cpcap_usb_detect()
287 dev_dbg(ddata->dev, "id ground, USB host mode\n"); in cpcap_usb_detect()
289 ddata->vbus_provider = true; in cpcap_usb_detect()
291 error = cpcap_usb_set_usb_mode(ddata); in cpcap_usb_detect()
295 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
297 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_detect()
307 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_detect()
313 vbus = cpcap_usb_vbus_valid(ddata); in cpcap_usb_detect()
317 dev_dbg(ddata->dev, "connected to USB host\n"); in cpcap_usb_detect()
318 error = cpcap_usb_set_usb_mode(ddata); in cpcap_usb_detect()
321 cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_VALID); in cpcap_usb_detect()
326 ddata->vbus_provider = false; in cpcap_usb_detect()
327 ddata->docked = false; in cpcap_usb_detect()
328 cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF); in cpcap_usb_detect()
331 error = cpcap_usb_set_uart_mode(ddata); in cpcap_usb_detect()
335 dev_dbg(ddata->dev, "set UART mode\n"); in cpcap_usb_detect()
340 dev_err(ddata->dev, "error setting cable state: %i\n", error); in cpcap_usb_detect()
345 struct cpcap_phy_ddata *ddata = data; in cpcap_phy_irq_thread() local
347 if (!atomic_read(&ddata->active)) in cpcap_phy_irq_thread()
350 schedule_delayed_work(&ddata->detect_work, msecs_to_jiffies(1)); in cpcap_phy_irq_thread()
356 struct cpcap_phy_ddata *ddata, in cpcap_usb_init_irq() argument
365 error = devm_request_threaded_irq(ddata->dev, irq, NULL, in cpcap_usb_init_irq()
369 name, ddata); in cpcap_usb_init_irq()
371 dev_err(ddata->dev, "could not get irq %s: %i\n", in cpcap_usb_init_irq()
392 struct cpcap_phy_ddata *ddata) in cpcap_usb_init_interrupts() argument
397 error = cpcap_usb_init_irq(pdev, ddata, cpcap_phy_irqs[i]); in cpcap_usb_init_interrupts()
411 static int cpcap_usb_gpio_set_mode(struct cpcap_phy_ddata *ddata, in cpcap_usb_gpio_set_mode() argument
414 if (!ddata->gpio[0] || !ddata->gpio[1]) in cpcap_usb_gpio_set_mode()
417 gpiod_set_value(ddata->gpio[0], mode & 1); in cpcap_usb_gpio_set_mode()
418 gpiod_set_value(ddata->gpio[1], mode >> 1); in cpcap_usb_gpio_set_mode()
423 static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata) in cpcap_usb_set_uart_mode() argument
428 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED); in cpcap_usb_set_uart_mode()
432 if (ddata->pins_uart) { in cpcap_usb_set_uart_mode()
433 error = pinctrl_select_state(ddata->pins, ddata->pins_uart); in cpcap_usb_set_uart_mode()
438 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC1, in cpcap_usb_set_uart_mode()
444 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC2, in cpcap_usb_set_uart_mode()
450 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, 0x7fff, in cpcap_usb_set_uart_mode()
456 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_DM_DP); in cpcap_usb_set_uart_mode()
463 dev_err(ddata->dev, "%s failed with %i\n", __func__, error); in cpcap_usb_set_uart_mode()
468 static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata) in cpcap_usb_set_usb_mode() argument
473 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED); in cpcap_usb_set_usb_mode()
477 if (ddata->pins_utmi) { in cpcap_usb_set_usb_mode()
478 error = pinctrl_select_state(ddata->pins, ddata->pins_utmi); in cpcap_usb_set_usb_mode()
480 dev_err(ddata->dev, "could not set usb mode: %i\n", in cpcap_usb_set_usb_mode()
487 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC1, in cpcap_usb_set_usb_mode()
492 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_set_usb_mode()
501 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC2, in cpcap_usb_set_usb_mode()
508 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_OTG_DM_DP); in cpcap_usb_set_usb_mode()
515 dev_err(ddata->dev, "%s failed with %i\n", __func__, error); in cpcap_usb_set_usb_mode()
520 static int cpcap_usb_init_optional_pins(struct cpcap_phy_ddata *ddata) in cpcap_usb_init_optional_pins() argument
522 ddata->pins = devm_pinctrl_get(ddata->dev); in cpcap_usb_init_optional_pins()
523 if (IS_ERR(ddata->pins)) { in cpcap_usb_init_optional_pins()
524 dev_info(ddata->dev, "default pins not configured: %ld\n", in cpcap_usb_init_optional_pins()
525 PTR_ERR(ddata->pins)); in cpcap_usb_init_optional_pins()
526 ddata->pins = NULL; in cpcap_usb_init_optional_pins()
531 ddata->pins_ulpi = pinctrl_lookup_state(ddata->pins, "ulpi"); in cpcap_usb_init_optional_pins()
532 if (IS_ERR(ddata->pins_ulpi)) { in cpcap_usb_init_optional_pins()
533 dev_info(ddata->dev, "ulpi pins not configured\n"); in cpcap_usb_init_optional_pins()
534 ddata->pins_ulpi = NULL; in cpcap_usb_init_optional_pins()
537 ddata->pins_utmi = pinctrl_lookup_state(ddata->pins, "utmi"); in cpcap_usb_init_optional_pins()
538 if (IS_ERR(ddata->pins_utmi)) { in cpcap_usb_init_optional_pins()
539 dev_info(ddata->dev, "utmi pins not configured\n"); in cpcap_usb_init_optional_pins()
540 ddata->pins_utmi = NULL; in cpcap_usb_init_optional_pins()
543 ddata->pins_uart = pinctrl_lookup_state(ddata->pins, "uart"); in cpcap_usb_init_optional_pins()
544 if (IS_ERR(ddata->pins_uart)) { in cpcap_usb_init_optional_pins()
545 dev_info(ddata->dev, "uart pins not configured\n"); in cpcap_usb_init_optional_pins()
546 ddata->pins_uart = NULL; in cpcap_usb_init_optional_pins()
549 if (ddata->pins_uart) in cpcap_usb_init_optional_pins()
550 return pinctrl_select_state(ddata->pins, ddata->pins_uart); in cpcap_usb_init_optional_pins()
555 static void cpcap_usb_init_optional_gpios(struct cpcap_phy_ddata *ddata) in cpcap_usb_init_optional_gpios() argument
560 ddata->gpio[i] = devm_gpiod_get_index(ddata->dev, "mode", in cpcap_usb_init_optional_gpios()
562 if (IS_ERR(ddata->gpio[i])) { in cpcap_usb_init_optional_gpios()
563 dev_info(ddata->dev, "no mode change GPIO%i: %li\n", in cpcap_usb_init_optional_gpios()
564 i, PTR_ERR(ddata->gpio[i])); in cpcap_usb_init_optional_gpios()
565 ddata->gpio[i] = NULL; in cpcap_usb_init_optional_gpios()
570 static int cpcap_usb_init_iio(struct cpcap_phy_ddata *ddata) in cpcap_usb_init_iio() argument
575 ddata->vbus = devm_iio_channel_get(ddata->dev, "vbus"); in cpcap_usb_init_iio()
576 if (IS_ERR(ddata->vbus)) { in cpcap_usb_init_iio()
577 error = PTR_ERR(ddata->vbus); in cpcap_usb_init_iio()
581 if (!ddata->vbus->indio_dev) { in cpcap_usb_init_iio()
586 error = iio_get_channel_type(ddata->vbus, &type); in cpcap_usb_init_iio()
598 dev_err(ddata->dev, "could not initialize VBUS or ID IIO: %i\n", in cpcap_usb_init_iio()
619 struct cpcap_phy_ddata *ddata; in cpcap_usb_phy_probe() local
631 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in cpcap_usb_phy_probe()
632 if (!ddata) in cpcap_usb_phy_probe()
635 ddata->reg = dev_get_regmap(pdev->dev.parent, NULL); in cpcap_usb_phy_probe()
636 if (!ddata->reg) in cpcap_usb_phy_probe()
643 ddata->dev = &pdev->dev; in cpcap_usb_phy_probe()
644 ddata->phy.dev = ddata->dev; in cpcap_usb_phy_probe()
645 ddata->phy.label = "cpcap_usb_phy"; in cpcap_usb_phy_probe()
646 ddata->phy.otg = otg; in cpcap_usb_phy_probe()
647 ddata->phy.type = USB_PHY_TYPE_USB2; in cpcap_usb_phy_probe()
650 otg->usb_phy = &ddata->phy; in cpcap_usb_phy_probe()
651 INIT_DELAYED_WORK(&ddata->detect_work, cpcap_usb_detect); in cpcap_usb_phy_probe()
652 platform_set_drvdata(pdev, ddata); in cpcap_usb_phy_probe()
654 ddata->vusb = devm_regulator_get(&pdev->dev, "vusb"); in cpcap_usb_phy_probe()
655 if (IS_ERR(ddata->vusb)) in cpcap_usb_phy_probe()
656 return PTR_ERR(ddata->vusb); in cpcap_usb_phy_probe()
658 error = regulator_enable(ddata->vusb); in cpcap_usb_phy_probe()
662 generic_phy = devm_phy_create(ddata->dev, NULL, &ops); in cpcap_usb_phy_probe()
668 phy_set_drvdata(generic_phy, ddata); in cpcap_usb_phy_probe()
670 phy_provider = devm_of_phy_provider_register(ddata->dev, in cpcap_usb_phy_probe()
677 error = cpcap_usb_init_optional_pins(ddata); in cpcap_usb_phy_probe()
681 cpcap_usb_init_optional_gpios(ddata); in cpcap_usb_phy_probe()
683 error = cpcap_usb_init_iio(ddata); in cpcap_usb_phy_probe()
687 error = cpcap_usb_init_interrupts(pdev, ddata); in cpcap_usb_phy_probe()
691 usb_add_phy_dev(&ddata->phy); in cpcap_usb_phy_probe()
692 atomic_set(&ddata->active, 1); in cpcap_usb_phy_probe()
693 schedule_delayed_work(&ddata->detect_work, msecs_to_jiffies(1)); in cpcap_usb_phy_probe()
698 regulator_disable(ddata->vusb); in cpcap_usb_phy_probe()
705 struct cpcap_phy_ddata *ddata = platform_get_drvdata(pdev); in cpcap_usb_phy_remove() local
708 atomic_set(&ddata->active, 0); in cpcap_usb_phy_remove()
709 error = cpcap_usb_set_uart_mode(ddata); in cpcap_usb_phy_remove()
711 dev_err(ddata->dev, "could not set UART mode\n"); in cpcap_usb_phy_remove()
713 cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF); in cpcap_usb_phy_remove()
715 usb_remove_phy(&ddata->phy); in cpcap_usb_phy_remove()
716 cancel_delayed_work_sync(&ddata->detect_work); in cpcap_usb_phy_remove()
717 regulator_disable(ddata->vusb); in cpcap_usb_phy_remove()