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Diffstat (limited to 'include/linux/usb/ehci_pdriver.h')
| -rw-r--r-- | include/linux/usb/ehci_pdriver.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/usb/ehci_pdriver.h b/include/linux/usb/ehci_pdriver.h new file mode 100644 index 000000000..0f1b166f5 --- /dev/null +++ b/include/linux/usb/ehci_pdriver.h @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> + */ + +#ifndef __USB_CORE_EHCI_PDRIVER_H +#define __USB_CORE_EHCI_PDRIVER_H + +struct platform_device; +struct usb_hcd; + +/** + * struct usb_ehci_pdata - platform_data for generic ehci driver + * + * @caps_offset: offset of the EHCI Capability Registers to the start of + * the io memory region provided to the driver. + * @has_tt: set to 1 if TT is integrated in root hub. + * @port_power_on: set to 1 if the controller needs a power up after + * initialization. + * @port_power_off: set to 1 if the controller needs to be powered down + * after initialization. + * @no_io_watchdog: set to 1 if the controller does not need the I/O + * watchdog to run. + * @reset_on_resume: set to 1 if the controller needs to be reset after + * a suspend / resume cycle (but can't detect that itself). + * + * These are general configuration options for the EHCI controller. All of + * these options are activating more or less workarounds for some hardware. + */ +struct usb_ehci_pdata { + int caps_offset; + unsigned has_tt:1; + unsigned has_synopsys_hc_bug:1; + unsigned big_endian_desc:1; + unsigned big_endian_mmio:1; + unsigned no_io_watchdog:1; + unsigned reset_on_resume:1; + unsigned dma_mask_64:1; + unsigned spurious_oc:1; + + /* Turn on all power and clocks */ + int (*power_on)(struct platform_device *pdev); + /* Turn off all power and clocks */ + void (*power_off)(struct platform_device *pdev); + /* Turn on only VBUS suspend power and hotplug detection, + * turn off everything else */ + void (*power_suspend)(struct platform_device *pdev); + int (*pre_setup)(struct usb_hcd *hcd); +}; + +#endif /* __USB_CORE_EHCI_PDRIVER_H */ |