| 1 | // SPDX-License-Identifier: GPL-2.0+ |
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| 2 | /* |
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| 3 | * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __USB_CORE_EHCI_PDRIVER_H |
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| 7 | #define __USB_CORE_EHCI_PDRIVER_H |
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| 8 | |
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| 9 | struct platform_device; |
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| 10 | struct usb_hcd; |
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| 11 | |
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| 12 | /** |
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| 13 | * struct usb_ehci_pdata - platform_data for generic ehci driver |
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| 14 | * |
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| 15 | * @caps_offset: offset of the EHCI Capability Registers to the start of |
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| 16 | * the io memory region provided to the driver. |
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| 17 | * @has_tt: set to 1 if TT is integrated in root hub. |
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| 18 | * @port_power_on: set to 1 if the controller needs a power up after |
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| 19 | * initialization. |
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| 20 | * @port_power_off: set to 1 if the controller needs to be powered down |
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| 21 | * after initialization. |
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| 22 | * @no_io_watchdog: set to 1 if the controller does not need the I/O |
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| 23 | * watchdog to run. |
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| 24 | * @reset_on_resume: set to 1 if the controller needs to be reset after |
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| 25 | * a suspend / resume cycle (but can't detect that itself). |
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| 26 | * |
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| 27 | * These are general configuration options for the EHCI controller. All of |
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| 28 | * these options are activating more or less workarounds for some hardware. |
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| 29 | */ |
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| 30 | struct usb_ehci_pdata { |
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| 31 | int caps_offset; |
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| 32 | unsigned has_tt:1; |
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| 33 | unsigned has_synopsys_hc_bug:1; |
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| 34 | unsigned big_endian_desc:1; |
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| 35 | unsigned big_endian_mmio:1; |
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| 36 | unsigned no_io_watchdog:1; |
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| 37 | unsigned reset_on_resume:1; |
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| 38 | unsigned dma_mask_64:1; |
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| 39 | unsigned spurious_oc:1; |
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| 40 | |
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| 41 | /* Turn on all power and clocks */ |
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| 42 | int (*power_on)(struct platform_device *pdev); |
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| 43 | /* Turn off all power and clocks */ |
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| 44 | void (*power_off)(struct platform_device *pdev); |
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| 45 | /* Turn on only VBUS suspend power and hotplug detection, |
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| 46 | * turn off everything else */ |
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| 47 | void (*power_suspend)(struct platform_device *pdev); |
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| 48 | int (*pre_setup)(struct usb_hcd *hcd); |
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| 49 | }; |
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| 50 | |
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| 51 | #endif /* __USB_CORE_EHCI_PDRIVER_H */ |
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| 52 | |
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