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e90b8e91a1
This patch corrects the SPDX License Identifier style in header files related to USB Miscellaneous drivers. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Link: https://lore.kernel.org/r/20200404094638.GA5319@nishad Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
98 lines
5.0 KiB
C
98 lines
5.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Common Header File for the Elan Digital Systems U132 adapter
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* this file should be included by both the "ftdi-u132" and
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* the "u132-hcd" modules.
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*
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* Copyright(C) 2006 Elan Digital Systems Limited
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*(http://www.elandigitalsystems.com)
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*
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* Author and Maintainer - Tony Olech - Elan Digital Systems
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*(tony.olech@elandigitalsystems.com)
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*
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* The driver was written by Tony Olech(tony.olech@elandigitalsystems.com)
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* based on various USB client drivers in the 2.6.15 linux kernel
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* with constant reference to the 3rd Edition of Linux Device Drivers
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* published by O'Reilly
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*
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* The U132 adapter is a USB to CardBus adapter specifically designed
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* for PC cards that contain an OHCI host controller. Typical PC cards
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* are the Orange Mobile 3G Option GlobeTrotter Fusion card.
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*
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* The U132 adapter will *NOT *work with PC cards that do not contain
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* an OHCI controller. A simple way to test whether a PC card has an
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* OHCI controller as an interface is to insert the PC card directly
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* into a laptop(or desktop) with a CardBus slot and if "lspci" shows
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* a new USB controller and "lsusb -v" shows a new OHCI Host Controller
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* then there is a good chance that the U132 adapter will support the
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* PC card.(you also need the specific client driver for the PC card)
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*
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* Please inform the Author and Maintainer about any PC cards that
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* contain OHCI Host Controller and work when directly connected to
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* an embedded CardBus slot but do not work when they are connected
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* via an ELAN U132 adapter.
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*
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* The driver consists of two modules, the "ftdi-u132" module is
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* a USB client driver that interfaces to the FTDI chip within
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* the U132 adapter manufactured by Elan Digital Systems, and the
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* "u132-hcd" module is a USB host controller driver that talks
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* to the OHCI controller within CardBus card that are inserted
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* in the U132 adapter.
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*
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* The "ftdi-u132" module should be loaded automatically by the
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* hot plug system when the U132 adapter is plugged in. The module
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* initialises the adapter which mostly consists of synchronising
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* the FTDI chip, before continuously polling the adapter to detect
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* PC card insertions. As soon as a PC card containing a recognised
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* OHCI controller is seen the "ftdi-u132" module explicitly requests
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* the kernel to load the "u132-hcd" module.
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*
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* The "ftdi-u132" module provides the interface to the inserted
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* PC card and the "u132-hcd" module uses the API to send and receive
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* data. The API features call-backs, so that part of the "u132-hcd"
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* module code will run in the context of one of the kernel threads
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* of the "ftdi-u132" module.
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*
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*/
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int ftdi_elan_switch_on_diagnostics(int number);
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void ftdi_elan_gone_away(struct platform_device *pdev);
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void start_usb_lock_device_tracing(void);
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struct u132_platform_data {
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u16 vendor;
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u16 device;
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u8 potpg;
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void (*port_power) (struct device *dev, int is_on);
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void (*reset) (struct device *dev);
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};
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int usb_ftdi_elan_edset_single(struct platform_device *pdev, u8 ed_number,
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void *endp, struct urb *urb, u8 address, u8 ep_number, u8 toggle_bits,
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void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
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int toggle_bits, int error_count, int condition_code, int repeat_number,
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int halted, int skipped, int actual, int non_null));
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int usb_ftdi_elan_edset_output(struct platform_device *pdev, u8 ed_number,
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void *endp, struct urb *urb, u8 address, u8 ep_number, u8 toggle_bits,
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void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
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int toggle_bits, int error_count, int condition_code, int repeat_number,
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int halted, int skipped, int actual, int non_null));
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int usb_ftdi_elan_edset_empty(struct platform_device *pdev, u8 ed_number,
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void *endp, struct urb *urb, u8 address, u8 ep_number, u8 toggle_bits,
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void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
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int toggle_bits, int error_count, int condition_code, int repeat_number,
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int halted, int skipped, int actual, int non_null));
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int usb_ftdi_elan_edset_input(struct platform_device *pdev, u8 ed_number,
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void *endp, struct urb *urb, u8 address, u8 ep_number, u8 toggle_bits,
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void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
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int toggle_bits, int error_count, int condition_code, int repeat_number,
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int halted, int skipped, int actual, int non_null));
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int usb_ftdi_elan_edset_setup(struct platform_device *pdev, u8 ed_number,
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void *endp, struct urb *urb, u8 address, u8 ep_number, u8 toggle_bits,
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void (*callback) (void *endp, struct urb *urb, u8 *buf, int len,
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int toggle_bits, int error_count, int condition_code, int repeat_number,
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int halted, int skipped, int actual, int non_null));
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int usb_ftdi_elan_edset_flush(struct platform_device *pdev, u8 ed_number,
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void *endp);
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int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, int mem_offset,
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u8 width, u32 *data);
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int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, int mem_offset,
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u8 width, u32 data);
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