Kconfig - OpenGrok cross reference for /linux-6.12.1/drivers/auxdisplay/Kconfig

1 # SPDX-License-Identifier: GPL-2.0
4 # see Documentation/kbuild/kconfig-language.rst.
15 	  If you say N, all options in this submenu will be skipped and disabled.
25 	  This is the base system for character-based LCD displays.
63 	tristate "Parallel port LCD/Keypad Panel support"
67 	  Say Y here if you have an HD44780 or KS-0074 LCD connected to your
68 	  parallel port. This driver also features 4 and 6-key keypads. The LCD
77 	int "Default parallel port number (0=LPT1)"
81 	  This is the index of the parallel port the panel is connected to. One
82 	  driver instance only supports one parallel port, so if your keypad
88 	int "Default panel profile (0-5, 0=custom)"
98 	    1 = 2x16 parallel LCD, old keypad
99 	    2 = 2x16 serial LCD (KS-0074), new keypad
100 	    3 = 2x16 parallel LCD (Hantronix), no keypad
101 	    4 = 2x16 parallel LCD (Nexcom NSA1045) with Nexcom's keypad
102 	    5 = 2x40 parallel LCD (old one), with old keypad
105 	  wired to the parallel port, and how it works. This is only intended
114 	  This enables and configures a keypad connected to the parallel port.
119 	    2 : new 6 keys keypad, as used on the server at www.ant-computing.com
122 	  New profiles can be described in the driver source. The driver also
131 	   This enables and configures an LCD connected to the parallel port.
139 	     2 : 2x16 & 2x40 parallel LCD (old wiring)
140 	     3 : 2x16 serial LCD (KS-0074 based)
141 	     4 : 2x16 parallel LCD (Hantronix wiring)
142 	     5 : 2x16 parallel LCD (Nexcom wiring)
150 	int "Number of lines on the LCD (1-2)"
154 	  This is the number of visible character lines on the LCD in custom profile.
159 	int "Number of characters per line on the LCD (1-40)"
163 	  This is the number of characters per line on the LCD in custom profile.
168 	int "Internal LCD line width (1-40, 40 by default)"
174 	  to the terminal. This results in some non-visible but addressable characters,
175 	  and is the case for most parallel LCDs. Other LCDs, and some serial ones,
179 	  This option lets you configure the value used by your LCD in 'custom' profile.
184 	int "Hardware LCD line width (1-64, 64 by default)"
193 	  If you don't know what your LCD uses, in doubt let 16 here for a 2x16, and
214 	int "LCD communication mode (0=parallel 8 bits, 1=serial)"
218 	  This driver now supports any serial or parallel LCD wired to a parallel
220 	  be driving a serial LCD or a parallel one. Serial LCDs only use 2 wires
221 	  (SDA/SCL), while parallel ones use 2 or 3 wires for the control signals
223 	  parallel LCD, and 1 for a serial LCD.
227 	int "Parallel port pin number & polarity connected to the LCD E signal (-17...17) "
228 	range -17 17
231 	  This describes the number of the parallel port pin to which the LCD 'E'
236 	    -1..-17 : connected to the same pin through an inverter (eg: transistor).
238 	  Default for the 'E' pin in custom profile is '14' (AUTOFEED).
242 	int "Parallel port pin number & polarity connected to the LCD RS signal (-17...17) "
243 	range -17 17
246 	  This describes the number of the parallel port pin to which the LCD 'RS'
251 	    -1..-17 : connected to the same pin through an inverter (eg: transistor).
253 	  Default for the 'RS' pin in custom profile is '17' (SELECT IN).
257 	int "Parallel port pin number & polarity connected to the LCD RW signal (-17...17) "
258 	range -17 17
261 	  This describes the number of the parallel port pin to which the LCD 'RW'
266 	    -1..-17 : connected to the same pin through an inverter (eg: transistor).
268 	  Default for the 'RW' pin in custom profile is '16' (INIT).
272 	int "Parallel port pin number & polarity connected to the LCD SCL signal (-17...17) "
273 	range -17 17
276 	  This describes the number of the parallel port pin to which the serial
281 	    -1..-17 : connected to the same pin through an inverter (eg: transistor).
283 	  Default for the 'SCL' pin in custom profile is '1' (STROBE).
287 	int "Parallel port pin number & polarity connected to the LCD SDA signal (-17...17) "
288 	range -17 17
291 	  This describes the number of the parallel port pin to which the serial
296 	    -1..-17 : connected to the same pin through an inverter (eg: transistor).
298 	  Default for the 'SDA' pin in custom profile is '2' (D0).
302 	int "Parallel port pin number & polarity connected to the LCD backlight signal (-17...17) "
303 	range -17 17
306 	  This describes the number of the parallel port pin to which the LCD 'BL' signal
311 	    -1..-17 : connected to the same pin through an inverter (eg: transistor).
313 	  Default for the 'BL' pin in custom profile is '0' (uncontrolled).
340 	  printf()-formatted message is valid with newline and escape codes.
379 	  Depends on Parallel Port support. If you say Y at
381 	  and built-in as well (Y).
389 	hex "Parallel port where the LCD is connected"
393 	  The address of the parallel port where the LCD is connected.
395 	  The first  standard parallel port address is 0x378.
396 	  The second standard parallel port address is 0x278.
397 	  The third  standard parallel port address is 0x3BC.
403 	  many parallel ports are present and which address each one has.
416 	  to the parallel port.
432 	  If you have a Crystalfontz 128x64 2-color LCD, cfag12864b Series,
435 	  For help about how to wire your LCD to the parallel port,
436 	  check Documentation/admin-guide/auxdisplay/cfag12864b.rst
476 	  This is the core support for single-line character displays, to be
504 	tristate "Maxim MAX6958/6959 7-segment LED controller"
510 	  (I2C 7-segment LED display controller):
511 	  - MAX6958
512 	  - MAX6959 (input support)
518 	tristate "Generic 7-segment LED display"
522 	  This driver supports a generic 7-segment LED display made up
526 	  will be called seg-led-gpio.
529 # Character LCD with non-conforming interface section
547 	tristate "Parallel port LCD/Keypad Panel support (OLD OPTION)"