Lines Matching refs:ddata
132 static bool cpcap_usb_vbus_valid(struct cpcap_phy_ddata *ddata) in cpcap_usb_vbus_valid() argument
136 error = iio_read_channel_processed(ddata->vbus, &value); in cpcap_usb_vbus_valid()
140 dev_err(ddata->dev, "error reading VBUS: %i\n", error); in cpcap_usb_vbus_valid()
168 static int cpcap_phy_get_ints_state(struct cpcap_phy_ddata *ddata, in cpcap_phy_get_ints_state() argument
173 error = regmap_read(ddata->reg, CPCAP_REG_INTS1, &val); in cpcap_phy_get_ints_state()
181 error = regmap_read(ddata->reg, CPCAP_REG_INTS2, &val); in cpcap_phy_get_ints_state()
190 error = regmap_read(ddata->reg, CPCAP_REG_INTS4, &val); in cpcap_phy_get_ints_state()
200 static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata);
201 static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata);
203 static void cpcap_usb_try_musb_mailbox(struct cpcap_phy_ddata *ddata, in cpcap_usb_try_musb_mailbox() argument
212 dev_dbg(ddata->dev, "%s: musb_mailbox failed: %i\n", in cpcap_usb_try_musb_mailbox()
218 struct cpcap_phy_ddata *ddata; in cpcap_usb_detect() local
223 ddata = container_of(work, struct cpcap_phy_ddata, detect_work.work); in cpcap_usb_detect()
225 error = cpcap_phy_get_ints_state(ddata, &s); in cpcap_usb_detect()
229 vbus = cpcap_usb_vbus_valid(ddata); in cpcap_usb_detect()
232 if (s.id_ground && ddata->vbus_provider) { in cpcap_usb_detect()
233 dev_dbg(ddata->dev, "still in USB A-host mode, kicking VBUS\n"); in cpcap_usb_detect()
235 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
237 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_detect()
247 if (vbus && s.id_ground && ddata->docked) { in cpcap_usb_detect()
248 dev_dbg(ddata->dev, "still docked as A-host, signal ID down\n"); in cpcap_usb_detect()
250 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
256 if (vbus && s.id_ground && !ddata->vbus_provider) { in cpcap_usb_detect()
257 dev_dbg(ddata->dev, "connected to a dock\n"); in cpcap_usb_detect()
259 ddata->docked = true; in cpcap_usb_detect()
261 error = cpcap_usb_set_usb_mode(ddata); in cpcap_usb_detect()
265 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
272 schedule_delayed_work(&ddata->detect_work, in cpcap_usb_detect()
278 if (s.id_ground && !ddata->docked) { in cpcap_usb_detect()
279 dev_dbg(ddata->dev, "id ground, USB host mode\n"); in cpcap_usb_detect()
281 ddata->vbus_provider = true; in cpcap_usb_detect()
283 error = cpcap_usb_set_usb_mode(ddata); in cpcap_usb_detect()
287 cpcap_usb_try_musb_mailbox(ddata, MUSB_ID_GROUND); in cpcap_usb_detect()
289 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_detect()
299 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_detect()
305 vbus = cpcap_usb_vbus_valid(ddata); in cpcap_usb_detect()
309 dev_dbg(ddata->dev, "connected to USB host\n"); in cpcap_usb_detect()
310 error = cpcap_usb_set_usb_mode(ddata); in cpcap_usb_detect()
313 cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_VALID); in cpcap_usb_detect()
318 ddata->vbus_provider = false; in cpcap_usb_detect()
319 ddata->docked = false; in cpcap_usb_detect()
320 cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF); in cpcap_usb_detect()
323 error = cpcap_usb_set_uart_mode(ddata); in cpcap_usb_detect()
327 dev_dbg(ddata->dev, "set UART mode\n"); in cpcap_usb_detect()
332 dev_err(ddata->dev, "error setting cable state: %i\n", error); in cpcap_usb_detect()
337 struct cpcap_phy_ddata *ddata = data; in cpcap_phy_irq_thread() local
339 if (!atomic_read(&ddata->active)) in cpcap_phy_irq_thread()
342 schedule_delayed_work(&ddata->detect_work, msecs_to_jiffies(1)); in cpcap_phy_irq_thread()
348 struct cpcap_phy_ddata *ddata, in cpcap_usb_init_irq() argument
357 error = devm_request_threaded_irq(ddata->dev, irq, NULL, in cpcap_usb_init_irq()
361 name, ddata); in cpcap_usb_init_irq()
363 dev_err(ddata->dev, "could not get irq %s: %i\n", in cpcap_usb_init_irq()
384 struct cpcap_phy_ddata *ddata) in cpcap_usb_init_interrupts() argument
389 error = cpcap_usb_init_irq(pdev, ddata, cpcap_phy_irqs[i]); in cpcap_usb_init_interrupts()
403 static int cpcap_usb_gpio_set_mode(struct cpcap_phy_ddata *ddata, in cpcap_usb_gpio_set_mode() argument
406 if (!ddata->gpio[0] || !ddata->gpio[1]) in cpcap_usb_gpio_set_mode()
409 gpiod_set_value(ddata->gpio[0], mode & 1); in cpcap_usb_gpio_set_mode()
410 gpiod_set_value(ddata->gpio[1], mode >> 1); in cpcap_usb_gpio_set_mode()
415 static int cpcap_usb_set_uart_mode(struct cpcap_phy_ddata *ddata) in cpcap_usb_set_uart_mode() argument
420 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED); in cpcap_usb_set_uart_mode()
424 if (ddata->pins_uart) { in cpcap_usb_set_uart_mode()
425 error = pinctrl_select_state(ddata->pins, ddata->pins_uart); in cpcap_usb_set_uart_mode()
430 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC1, in cpcap_usb_set_uart_mode()
436 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC2, in cpcap_usb_set_uart_mode()
442 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, 0x7fff, in cpcap_usb_set_uart_mode()
448 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_DM_DP); in cpcap_usb_set_uart_mode()
455 dev_err(ddata->dev, "%s failed with %i\n", __func__, error); in cpcap_usb_set_uart_mode()
460 static int cpcap_usb_set_usb_mode(struct cpcap_phy_ddata *ddata) in cpcap_usb_set_usb_mode() argument
465 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_UNKNOWN_DISABLED); in cpcap_usb_set_usb_mode()
469 if (ddata->pins_utmi) { in cpcap_usb_set_usb_mode()
470 error = pinctrl_select_state(ddata->pins, ddata->pins_utmi); in cpcap_usb_set_usb_mode()
472 dev_err(ddata->dev, "could not set usb mode: %i\n", in cpcap_usb_set_usb_mode()
479 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC1, in cpcap_usb_set_usb_mode()
484 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC3, in cpcap_usb_set_usb_mode()
493 error = regmap_update_bits(ddata->reg, CPCAP_REG_USBC2, in cpcap_usb_set_usb_mode()
500 error = cpcap_usb_gpio_set_mode(ddata, CPCAP_OTG_DM_DP); in cpcap_usb_set_usb_mode()
507 dev_err(ddata->dev, "%s failed with %i\n", __func__, error); in cpcap_usb_set_usb_mode()
512 static int cpcap_usb_init_optional_pins(struct cpcap_phy_ddata *ddata) in cpcap_usb_init_optional_pins() argument
514 ddata->pins = devm_pinctrl_get(ddata->dev); in cpcap_usb_init_optional_pins()
515 if (IS_ERR(ddata->pins)) { in cpcap_usb_init_optional_pins()
516 dev_info(ddata->dev, "default pins not configured: %ld\n", in cpcap_usb_init_optional_pins()
517 PTR_ERR(ddata->pins)); in cpcap_usb_init_optional_pins()
518 ddata->pins = NULL; in cpcap_usb_init_optional_pins()
523 ddata->pins_ulpi = pinctrl_lookup_state(ddata->pins, "ulpi"); in cpcap_usb_init_optional_pins()
524 if (IS_ERR(ddata->pins_ulpi)) { in cpcap_usb_init_optional_pins()
525 dev_info(ddata->dev, "ulpi pins not configured\n"); in cpcap_usb_init_optional_pins()
526 ddata->pins_ulpi = NULL; in cpcap_usb_init_optional_pins()
529 ddata->pins_utmi = pinctrl_lookup_state(ddata->pins, "utmi"); in cpcap_usb_init_optional_pins()
530 if (IS_ERR(ddata->pins_utmi)) { in cpcap_usb_init_optional_pins()
531 dev_info(ddata->dev, "utmi pins not configured\n"); in cpcap_usb_init_optional_pins()
532 ddata->pins_utmi = NULL; in cpcap_usb_init_optional_pins()
535 ddata->pins_uart = pinctrl_lookup_state(ddata->pins, "uart"); in cpcap_usb_init_optional_pins()
536 if (IS_ERR(ddata->pins_uart)) { in cpcap_usb_init_optional_pins()
537 dev_info(ddata->dev, "uart pins not configured\n"); in cpcap_usb_init_optional_pins()
538 ddata->pins_uart = NULL; in cpcap_usb_init_optional_pins()
541 if (ddata->pins_uart) in cpcap_usb_init_optional_pins()
542 return pinctrl_select_state(ddata->pins, ddata->pins_uart); in cpcap_usb_init_optional_pins()
547 static void cpcap_usb_init_optional_gpios(struct cpcap_phy_ddata *ddata) in cpcap_usb_init_optional_gpios() argument
552 ddata->gpio[i] = devm_gpiod_get_index(ddata->dev, "mode", in cpcap_usb_init_optional_gpios()
554 if (IS_ERR(ddata->gpio[i])) { in cpcap_usb_init_optional_gpios()
555 dev_info(ddata->dev, "no mode change GPIO%i: %li\n", in cpcap_usb_init_optional_gpios()
556 i, PTR_ERR(ddata->gpio[i])); in cpcap_usb_init_optional_gpios()
557 ddata->gpio[i] = NULL; in cpcap_usb_init_optional_gpios()
562 static int cpcap_usb_init_iio(struct cpcap_phy_ddata *ddata) in cpcap_usb_init_iio() argument
567 ddata->vbus = devm_iio_channel_get(ddata->dev, "vbus"); in cpcap_usb_init_iio()
568 if (IS_ERR(ddata->vbus)) { in cpcap_usb_init_iio()
569 error = PTR_ERR(ddata->vbus); in cpcap_usb_init_iio()
573 if (!ddata->vbus->indio_dev) { in cpcap_usb_init_iio()
578 error = iio_get_channel_type(ddata->vbus, &type); in cpcap_usb_init_iio()
590 dev_err(ddata->dev, "could not initialize VBUS or ID IIO: %i\n", in cpcap_usb_init_iio()
611 struct cpcap_phy_ddata *ddata; in cpcap_usb_phy_probe() local
623 ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL); in cpcap_usb_phy_probe()
624 if (!ddata) in cpcap_usb_phy_probe()
627 ddata->reg = dev_get_regmap(pdev->dev.parent, NULL); in cpcap_usb_phy_probe()
628 if (!ddata->reg) in cpcap_usb_phy_probe()
635 ddata->dev = &pdev->dev; in cpcap_usb_phy_probe()
636 ddata->phy.dev = ddata->dev; in cpcap_usb_phy_probe()
637 ddata->phy.label = "cpcap_usb_phy"; in cpcap_usb_phy_probe()
638 ddata->phy.otg = otg; in cpcap_usb_phy_probe()
639 ddata->phy.type = USB_PHY_TYPE_USB2; in cpcap_usb_phy_probe()
642 otg->usb_phy = &ddata->phy; in cpcap_usb_phy_probe()
643 INIT_DELAYED_WORK(&ddata->detect_work, cpcap_usb_detect); in cpcap_usb_phy_probe()
644 platform_set_drvdata(pdev, ddata); in cpcap_usb_phy_probe()
646 ddata->vusb = devm_regulator_get(&pdev->dev, "vusb"); in cpcap_usb_phy_probe()
647 if (IS_ERR(ddata->vusb)) in cpcap_usb_phy_probe()
648 return PTR_ERR(ddata->vusb); in cpcap_usb_phy_probe()
650 error = regulator_enable(ddata->vusb); in cpcap_usb_phy_probe()
654 generic_phy = devm_phy_create(ddata->dev, NULL, &ops); in cpcap_usb_phy_probe()
660 phy_set_drvdata(generic_phy, ddata); in cpcap_usb_phy_probe()
662 phy_provider = devm_of_phy_provider_register(ddata->dev, in cpcap_usb_phy_probe()
669 error = cpcap_usb_init_optional_pins(ddata); in cpcap_usb_phy_probe()
673 cpcap_usb_init_optional_gpios(ddata); in cpcap_usb_phy_probe()
675 error = cpcap_usb_init_iio(ddata); in cpcap_usb_phy_probe()
679 error = cpcap_usb_init_interrupts(pdev, ddata); in cpcap_usb_phy_probe()
683 usb_add_phy_dev(&ddata->phy); in cpcap_usb_phy_probe()
684 atomic_set(&ddata->active, 1); in cpcap_usb_phy_probe()
685 schedule_delayed_work(&ddata->detect_work, msecs_to_jiffies(1)); in cpcap_usb_phy_probe()
690 regulator_disable(ddata->vusb); in cpcap_usb_phy_probe()
697 struct cpcap_phy_ddata *ddata = platform_get_drvdata(pdev); in cpcap_usb_phy_remove() local
700 atomic_set(&ddata->active, 0); in cpcap_usb_phy_remove()
701 error = cpcap_usb_set_uart_mode(ddata); in cpcap_usb_phy_remove()
703 dev_err(ddata->dev, "could not set UART mode\n"); in cpcap_usb_phy_remove()
705 cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF); in cpcap_usb_phy_remove()
707 usb_remove_phy(&ddata->phy); in cpcap_usb_phy_remove()
708 cancel_delayed_work_sync(&ddata->detect_work); in cpcap_usb_phy_remove()
709 regulator_disable(ddata->vusb); in cpcap_usb_phy_remove()