1 /* 2 * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de> 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License as published by the 6 * Free Software Foundation; either version 2 of the License, or (at your 7 * option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 11 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software Foundation, 16 * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 17 */ 18 19 #ifndef __USB_CORE_EHCI_PDRIVER_H 20 #define __USB_CORE_EHCI_PDRIVER_H 21 22 struct platform_device; 23 struct usb_hcd; 24 25 /** 26 * struct usb_ehci_pdata - platform_data for generic ehci driver 27 * 28 * @caps_offset: offset of the EHCI Capability Registers to the start of 29 * the io memory region provided to the driver. 30 * @has_tt: set to 1 if TT is integrated in root hub. 31 * @port_power_on: set to 1 if the controller needs a power up after 32 * initialization. 33 * @port_power_off: set to 1 if the controller needs to be powered down 34 * after initialization. 35 * @no_io_watchdog: set to 1 if the controller does not need the I/O 36 * watchdog to run. 37 * @reset_on_resume: set to 1 if the controller needs to be reset after 38 * a suspend / resume cycle (but can't detect that itself). 39 * 40 * These are general configuration options for the EHCI controller. All of 41 * these options are activating more or less workarounds for some hardware. 42 */ 43 struct usb_ehci_pdata { 44 int caps_offset; 45 unsigned has_tt:1; 46 unsigned has_synopsys_hc_bug:1; 47 unsigned big_endian_desc:1; 48 unsigned big_endian_mmio:1; 49 unsigned no_io_watchdog:1; 50 unsigned reset_on_resume:1; 51 unsigned dma_mask_64:1; 52 53 /* Turn on all power and clocks */ 54 int (*power_on)(struct platform_device *pdev); 55 /* Turn off all power and clocks */ 56 void (*power_off)(struct platform_device *pdev); 57 /* Turn on only VBUS suspend power and hotplug detection, 58 * turn off everything else */ 59 void (*power_suspend)(struct platform_device *pdev); 60 int (*pre_setup)(struct usb_hcd *hcd); 61 }; 62 63 #endif /* __USB_CORE_EHCI_PDRIVER_H */ 64