52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
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*/
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#ifndef __USB_CORE_EHCI_PDRIVER_H
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#define __USB_CORE_EHCI_PDRIVER_H
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struct platform_device;
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struct usb_hcd;
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/**
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* struct usb_ehci_pdata - platform_data for generic ehci driver
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*
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* @caps_offset: offset of the EHCI Capability Registers to the start of
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* the io memory region provided to the driver.
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* @has_tt: set to 1 if TT is integrated in root hub.
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* @port_power_on: set to 1 if the controller needs a power up after
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* initialization.
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* @port_power_off: set to 1 if the controller needs to be powered down
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* after initialization.
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* @no_io_watchdog: set to 1 if the controller does not need the I/O
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* watchdog to run.
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* @reset_on_resume: set to 1 if the controller needs to be reset after
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* a suspend / resume cycle (but can't detect that itself).
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*
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* These are general configuration options for the EHCI controller. All of
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* these options are activating more or less workarounds for some hardware.
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*/
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struct usb_ehci_pdata {
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int caps_offset;
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unsigned has_tt:1;
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unsigned has_synopsys_hc_bug:1;
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unsigned big_endian_desc:1;
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unsigned big_endian_mmio:1;
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unsigned no_io_watchdog:1;
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unsigned reset_on_resume:1;
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unsigned dma_mask_64:1;
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unsigned spurious_oc:1;
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/* Turn on all power and clocks */
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int (*power_on)(struct platform_device *pdev);
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/* Turn off all power and clocks */
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void (*power_off)(struct platform_device *pdev);
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/* Turn on only VBUS suspend power and hotplug detection,
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* turn off everything else */
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void (*power_suspend)(struct platform_device *pdev);
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int (*pre_setup)(struct usb_hcd *hcd);
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};
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#endif /* __USB_CORE_EHCI_PDRIVER_H */
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