[PATCH] input-driver-yealink-P1K-usb-phone (aca951a2) · Commits · 戴 / test

Documentation/input/yealink.txt

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		yealink - Linux driver for usb-p1k phones

		0. Status
		~~~~~~~~~

		The p1k is a relatively cheap usb 1.1 phone with:
		- keyboard full support
		- LCD full support
		- LED full support
		- dialtone full support
		- ringtone full support
		- audio playback via generic usb audio diver
		- audio record via generic usb audio diver


		1. Compilation (stand alone version)
		~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

		Currently only kernel 2.6.x.y versions are supported.
		In order to build the yealink.ko module do:

		make

		If you encounter problems please check if in the MAKE_OPTS variable in
		the Makefile is pointing to the location where your kernel sources
		are located, default /usr/src/linux.



		2. keyboard features
		~~~~~~~~~~~~~~~~~~~~
		The current mapping in the kernel is provided by the map_p1k_to_key
		function:

		Physical USB-P1K button layout input events


		up up
		IN OUT left, right
		down down

		pickup C hangup enter, backspace, escape
		1 2 3 1, 2, 3
		4 5 6 4, 5, 6,
		7 8 9 7, 8, 9,
		* 0 # *, 0, #,

		The "up" and "down" keys, are symbolised by arrows on the button.
		The "pickup" and "hangup" keys are symbolised by a green and red phone
		on the button.


		3. LCD features
		~~~~~~~~~~~~~~~
		The LCD is divided and organised as a 3 line display:

		\|[] [][] [][] [][] in \|[][]
		\|[] M [][] D [][] : [][] out \|[][]
		store

		NEW REP SU MO TU WE TH FR SA

		[] [] [] [] [] [] [] [] [] [] [] []
		[] [] [] [] [] [] [] [] [] [] [] []


		Line 1 Format (see below) : 18.e8.M8.88...188
		Icon names : M D : IN OUT STORE
		Line 2 Format : .........
		Icon name : NEW REP SU MO TU WE TH FR SA
		Line 3 Format : 888888888888


		Format description:
		From a user space perspective the world is seperated in "digits" and "icons".
		A digit can have a character set, an icon can only be ON or OFF.

		Format specifier
		'8' : Generic 7 segment digit with individual addressable segments

		Reduced capabillity 7 segm digit, when segments are hard wired together.
		'1' : 2 segments digit only able to produce a 1.
		'e' : Most significant day of the month digit,
		able to produce at least 1 2 3.
		'M' : Most significant minute digit,
		able to produce at least 0 1 2 3 4 5.

		Icons or pictograms:
		'.' : For example like AM, PM, SU, a 'dot' .. or other single segment
		elements.


		4. Driver usage
		~~~~~~~~~~~~~~~
		For userland the following interfaces are available using the sysfs interface:
		/sys/.../
		line1 Read/Write, lcd line1
		line2 Read/Write, lcd line2
		line3 Read/Write, lcd line3

		get_icons Read, returns a set of available icons.
		hide_icon Write, hide the element by writing the icon name.
		show_icon Write, display the element by writing the icon name.

		map_seg7 Read/Write, the 7 segments char set, common for all
		yealink phones. (see map_to_7segment.h)

		ringtone Write, upload binary representation of a ringtone,
		see yealink.c. status EXPERIMENTAL due to potential
		races between async. and sync usb calls.


		4.1 lineX
		~~~~~~~~~
		Reading /sys/../lineX will return the format string with its current value:

		Example:
		cat ./line3
		888888888888
		Linux Rocks!

		Writing to /sys/../lineX will set the coresponding LCD line.
		- Excess characters are ignored.
		- If less characters are written than allowed, the remaining digits are
		unchanged.
		- The tab '\t'and '\n' char does not overwrite the original content.
		- Writing a space to an icon will always hide its content.

		Example:
		date +"%m.%e.%k:%M" \| sed 's/^0/ /' > ./line1

		Will update the LCD with the current date & time.


		4.2 get_icons
		~~~~~~~~~~~~~
		Reading will return all available icon names and its current settings:

		cat ./get_icons
		on M
		on D
		on :
		IN
		OUT
		STORE
		NEW
		REP
		SU
		MO
		TU
		WE
		TH
		FR
		SA
		LED
		DIALTONE
		RINGTONE


		4.3 show/hide icons
		~~~~~~~~~~~~~~~~~~~
		Writing to these files will update the state of the icon.
		Only one icon at a time can be updated.

		If an icon is also on a ./lineX the corresponding value is
		updated with the first letter of the icon.

		Example - light up the store icon:
		echo -n "STORE" > ./show_icon

		cat ./line1
		18.e8.M8.88...188
		S

		Example - sound the ringtone for 10 seconds:
		echo -n RINGTONE > /sys/..../show_icon
		sleep 10
		echo -n RINGTONE > /sys/..../hide_icon


		5. Credits & Acknowledgments
		~~~~~~~~~~~~~~~~~~~~~~~~~~~~
		- Olivier Vandorpe, for starting the usbb2k-api project doing much of
		the reverse engineering.
		- Martin Diehl, for pointing out how to handle USB memory allocation.
		- Dmitry Torokhov, for the numerous code reviews and suggestions.

MAINTAINERS

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		@@ -116,6 +116,12 @@ M: ajk@iehk.rwth-aachen.de
		L: linux-hams@vger.kernel.org
		S: Maintained

		YEALINK PHONE DRIVER
		P: Henk Vergonet
		M: Henk.Vergonet@gmail.com
		L: usbb2k-api-dev@nongnu.org
		S: Maintained

		8139CP 10/100 FAST ETHERNET DRIVER
		P: Jeff Garzik
		M: jgarzik@pobox.com

drivers/usb/input/Kconfig

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		@@ -230,6 +230,20 @@ config USB_EGALAX
		To compile this driver as a module, choose M here: the
		module will be called touchkitusb.

		config USB_YEALINK
		tristate "Yealink usb-p1k voip phone"
		depends on USB && INPUT && EXPERIMENTAL
		---help---
		Say Y here if you want to enable keyboard and LCD functions of the
		Yealink usb-p1k usb phones. The audio part is enabled by the generic
		usb sound driver, so you might want to enable that as well.

		For information about how to use these additional functions, see
		<file:Documentation/input/yealink.txt>.

		To compile this driver as a module, choose M here: the module will be
		called yealink.

		config USB_XPAD
		tristate "X-Box gamepad support"
		depends on USB && INPUT

drivers/usb/input/Makefile

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		@@ -39,4 +39,5 @@ obj-$(CONFIG_USB_EGALAX) += touchkitusb.o
		obj-$(CONFIG_USB_POWERMATE) += powermate.o
		obj-$(CONFIG_USB_WACOM) += wacom.o
		obj-$(CONFIG_USB_ACECAD) += acecad.o
		obj-$(CONFIG_USB_YEALINK) += yealink.o
		obj-$(CONFIG_USB_XPAD) += xpad.o

drivers/usb/input/map_to_7segment.h

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		/*
		* drivers/usb/input/map_to_7segment.h
		*
		* Copyright (c) 2005 Henk Vergonet <Henk.Vergonet@gmail.com>
		*
		* This program is free software; you can redistribute it and/or
		* modify it under the terms of the GNU General Public License as
		* published by the Free Software Foundation; either version 2 of
		* the License, or (at your option) any later version.
		*
		* This program is distributed in the hope that it will be useful,
		* but WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		* GNU General Public License for more details.
		*
		* You should have received a copy of the GNU General Public License
		* along with this program; if not, write to the Free Software
		* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		*/

		#ifndef MAP_TO_7SEGMENT_H
		#define MAP_TO_7SEGMENT_H

		/* This file provides translation primitives and tables for the conversion
		* of (ASCII) characters to a 7-segments notation.
		*
		* The 7 segment's wikipedia notation below is used as standard.
		* See: http://en.wikipedia.org/wiki/Seven_segment_display
		*
		* Notation: +-a-+
		* f b
		* +-g-+
		* e c
		* +-d-+
		*
		* Usage:
		*
		* Register a map variable, and fill it with a character set:
		* static SEG7_DEFAULT_MAP(map_seg7);
		*
		*
		* Then use for conversion:
		* seg7 = map_to_seg7(&map_seg7, some_char);
		* ...
		*
		* In device drivers it is recommended, if required, to make the char map
		* accessible via the sysfs interface using the following scheme:
		*
		* static ssize_t show_map(struct device dev, char buf) {
		* memcpy(buf, &map_seg7, sizeof(map_seg7));
		* return sizeof(map_seg7);
		* }
		* static ssize_t store_map(struct device dev, const char buf, size_t cnt) {
		* if(cnt != sizeof(map_seg7))
		* return -EINVAL;
		* memcpy(&map_seg7, buf, cnt);
		* return cnt;
		* }
		* static DEVICE_ATTR(map_seg7, PERMS_RW, show_map, store_map);
		*
		* History:
		* 2005-05-31 RFC linux-kernel@vger.kernel.org
		*/
		#include <linux/errno.h>


		#define BIT_SEG7_A 0
		#define BIT_SEG7_B 1
		#define BIT_SEG7_C 2
		#define BIT_SEG7_D 3
		#define BIT_SEG7_E 4
		#define BIT_SEG7_F 5
		#define BIT_SEG7_G 6
		#define BIT_SEG7_RESERVED 7

		struct seg7_conversion_map {
		unsigned char table[128];
		};

		static inline int map_to_seg7(struct seg7_conversion_map *map, int c)
		{
		return c & 0x7f ? map->table[c] : -EINVAL;
		}

		#define SEG7_CONVERSION_MAP(_name, _map) \
		struct seg7_conversion_map _name = { .table = { _map } }

		/*
		* It is recommended to use a facility that allows user space to redefine
		* custom character sets for LCD devices. Please use a sysfs interface
		* as described above.
		*/
		#define MAP_TO_SEG7_SYSFS_FILE "map_seg7"

		/*******************************************************************************
		* ASCII conversion table
		******************************************************************************/

		#define _SEG7(l,a,b,c,d,e,f,g) \
		( a<<BIT_SEG7_A \| b<<BIT_SEG7_B \| c<<BIT_SEG7_C \| d<<BIT_SEG7_D \| \
		e<<BIT_SEG7_E \| f<<BIT_SEG7_F \| g<<BIT_SEG7_G )

		#define _MAP_0_32_ASCII_SEG7_NON_PRINTABLE \
		0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

		#define _MAP_33_47_ASCII_SEG7_SYMBOL \
		_SEG7('!',0,0,0,0,1,1,0), _SEG7('"',0,1,0,0,0,1,0), _SEG7('#',0,1,1,0,1,1,0),\
		_SEG7('$',1,0,1,1,0,1,1), _SEG7('%',0,0,1,0,0,1,0), _SEG7('&',1,0,1,1,1,1,1),\
		_SEG7('\'',0,0,0,0,0,1,0),_SEG7('(',1,0,0,1,1,1,0), _SEG7(')',1,1,1,1,0,0,0),\
		_SEG7('*',0,1,1,0,1,1,1), _SEG7('+',0,1,1,0,0,0,1), _SEG7(',',0,0,0,0,1,0,0),\
		_SEG7('-',0,0,0,0,0,0,1), _SEG7('.',0,0,0,0,1,0,0), _SEG7('/',0,1,0,0,1,0,1),

		#define _MAP_48_57_ASCII_SEG7_NUMERIC \
		_SEG7('0',1,1,1,1,1,1,0), _SEG7('1',0,1,1,0,0,0,0), _SEG7('2',1,1,0,1,1,0,1),\
		_SEG7('3',1,1,1,1,0,0,1), _SEG7('4',0,1,1,0,0,1,1), _SEG7('5',1,0,1,1,0,1,1),\
		_SEG7('6',1,0,1,1,1,1,1), _SEG7('7',1,1,1,0,0,0,0), _SEG7('8',1,1,1,1,1,1,1),\
		_SEG7('9',1,1,1,1,0,1,1),

		#define _MAP_58_64_ASCII_SEG7_SYMBOL \
		_SEG7(':',0,0,0,1,0,0,1), _SEG7(';',0,0,0,1,0,0,1), _SEG7('<',1,0,0,0,0,1,1),\
		_SEG7('=',0,0,0,1,0,0,1), _SEG7('>',1,1,0,0,0,0,1), _SEG7('?',1,1,1,0,0,1,0),\
		_SEG7('@',1,1,0,1,1,1,1),

		#define _MAP_65_90_ASCII_SEG7_ALPHA_UPPR \
		_SEG7('A',1,1,1,0,1,1,1), _SEG7('B',1,1,1,1,1,1,1), _SEG7('C',1,0,0,1,1,1,0),\
		_SEG7('D',1,1,1,1,1,1,0), _SEG7('E',1,0,0,1,1,1,1), _SEG7('F',1,0,0,0,1,1,1),\
		_SEG7('G',1,1,1,1,0,1,1), _SEG7('H',0,1,1,0,1,1,1), _SEG7('I',0,1,1,0,0,0,0),\
		_SEG7('J',0,1,1,1,0,0,0), _SEG7('K',0,1,1,0,1,1,1), _SEG7('L',0,0,0,1,1,1,0),\
		_SEG7('M',1,1,1,0,1,1,0), _SEG7('N',1,1,1,0,1,1,0), _SEG7('O',1,1,1,1,1,1,0),\
		_SEG7('P',1,1,0,0,1,1,1), _SEG7('Q',1,1,1,1,1,1,0), _SEG7('R',1,1,1,0,1,1,1),\
		_SEG7('S',1,0,1,1,0,1,1), _SEG7('T',0,0,0,1,1,1,1), _SEG7('U',0,1,1,1,1,1,0),\
		_SEG7('V',0,1,1,1,1,1,0), _SEG7('W',0,1,1,1,1,1,1), _SEG7('X',0,1,1,0,1,1,1),\
		_SEG7('Y',0,1,1,0,0,1,1), _SEG7('Z',1,1,0,1,1,0,1),

		#define _MAP_91_96_ASCII_SEG7_SYMBOL \
		_SEG7('[',1,0,0,1,1,1,0), _SEG7('\\',0,0,1,0,0,1,1),_SEG7(']',1,1,1,1,0,0,0),\
		_SEG7('^',1,1,0,0,0,1,0), _SEG7('_',0,0,0,1,0,0,0), _SEG7('`',0,1,0,0,0,0,0),

		#define _MAP_97_122_ASCII_SEG7_ALPHA_LOWER \
		_SEG7('A',1,1,1,0,1,1,1), _SEG7('b',0,0,1,1,1,1,1), _SEG7('c',0,0,0,1,1,0,1),\
		_SEG7('d',0,1,1,1,1,0,1), _SEG7('E',1,0,0,1,1,1,1), _SEG7('F',1,0,0,0,1,1,1),\
		_SEG7('G',1,1,1,1,0,1,1), _SEG7('h',0,0,1,0,1,1,1), _SEG7('i',0,0,1,0,0,0,0),\
		_SEG7('j',0,0,1,1,0,0,0), _SEG7('k',0,0,1,0,1,1,1), _SEG7('L',0,0,0,1,1,1,0),\
		_SEG7('M',1,1,1,0,1,1,0), _SEG7('n',0,0,1,0,1,0,1), _SEG7('o',0,0,1,1,1,0,1),\
		_SEG7('P',1,1,0,0,1,1,1), _SEG7('q',1,1,1,0,0,1,1), _SEG7('r',0,0,0,0,1,0,1),\
		_SEG7('S',1,0,1,1,0,1,1), _SEG7('T',0,0,0,1,1,1,1), _SEG7('u',0,0,1,1,1,0,0),\
		_SEG7('v',0,0,1,1,1,0,0), _SEG7('W',0,1,1,1,1,1,1), _SEG7('X',0,1,1,0,1,1,1),\
		_SEG7('y',0,1,1,1,0,1,1), _SEG7('Z',1,1,0,1,1,0,1),

		#define _MAP_123_126_ASCII_SEG7_SYMBOL \
		_SEG7('{',1,0,0,1,1,1,0), _SEG7('\|',0,0,0,0,1,1,0), _SEG7('}',1,1,1,1,0,0,0),\
		_SEG7('~',1,0,0,0,0,0,0),

		/* Maps */

		/* This set tries to map as close as possible to the visible characteristics
		* of the ASCII symbol, lowercase and uppercase letters may differ in
		* presentation on the display.
		*/
		#define MAP_ASCII7SEG_ALPHANUM \
		_MAP_0_32_ASCII_SEG7_NON_PRINTABLE \
		_MAP_33_47_ASCII_SEG7_SYMBOL \
		_MAP_48_57_ASCII_SEG7_NUMERIC \
		_MAP_58_64_ASCII_SEG7_SYMBOL \
		_MAP_65_90_ASCII_SEG7_ALPHA_UPPR \
		_MAP_91_96_ASCII_SEG7_SYMBOL \
		_MAP_97_122_ASCII_SEG7_ALPHA_LOWER \
		_MAP_123_126_ASCII_SEG7_SYMBOL

		/* This set tries to map as close as possible to the symbolic characteristics
		* of the ASCII character for maximum discrimination.
		* For now this means all alpha chars are in lower case representations.
		* (This for example facilitates the use of hex numbers with uppercase input.)
		*/
		#define MAP_ASCII7SEG_ALPHANUM_LC \
		_MAP_0_32_ASCII_SEG7_NON_PRINTABLE \
		_MAP_33_47_ASCII_SEG7_SYMBOL \
		_MAP_48_57_ASCII_SEG7_NUMERIC \
		_MAP_58_64_ASCII_SEG7_SYMBOL \
		_MAP_97_122_ASCII_SEG7_ALPHA_LOWER \
		_MAP_91_96_ASCII_SEG7_SYMBOL \
		_MAP_97_122_ASCII_SEG7_ALPHA_LOWER \
		_MAP_123_126_ASCII_SEG7_SYMBOL

		#define SEG7_DEFAULT_MAP(_name) \
		SEG7_CONVERSION_MAP(_name,MAP_ASCII7SEG_ALPHANUM)

		#endif /* MAP_TO_7SEGMENT_H */

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