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Commit 20f2ff88 authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
Browse files

staging: comedi: 8255.c: reformat comedi driver comment 



Use the usual block comment style.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Reviewed-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b40369d6

drivers/staging/comedi/drivers/8255.c

+30 −31
Original line number Original line Diff line number Diff line
@@ -17,36 +17,35 @@ 
 */

 */





/*

/*

Driver: 8255

 * Driver: 8255

Description: generic 8255 support

 * Description: generic 8255 support

Devices: [standard] 8255 (8255)

 * Devices: [standard] 8255 (8255)

Author: ds

 * Author: ds

Status: works

 * Status: works

Updated: Fri,  7 Jun 2002 12:56:45 -0700

 * Updated: Fri,  7 Jun 2002 12:56:45 -0700



 *

The classic in digital I/O.  The 8255 appears in Comedi as a single

 * The classic in digital I/O.  The 8255 appears in Comedi as a single

digital I/O subdevice with 24 channels.  The channel 0 corresponds

 * digital I/O subdevice with 24 channels.  The channel 0 corresponds

to the 8255's port A, bit 0; channel 23 corresponds to port C, bit

 * to the 8255's port A, bit 0; channel 23 corresponds to port C, bit

7.  Direction configuration is done in blocks, with channels 0-7,

 * 7.  Direction configuration is done in blocks, with channels 0-7,

8-15, 16-19, and 20-23 making up the 4 blocks.  The only 8255 mode

 * 8-15, 16-19, and 20-23 making up the 4 blocks.  The only 8255 mode

supported is mode 0.

 * supported is mode 0.



 *

You should enable compilation this driver if you plan to use a board

 * You should enable compilation this driver if you plan to use a board

that has an 8255 chip.  For multifunction boards, the main driver will

 * that has an 8255 chip.  For multifunction boards, the main driver will

configure the 8255 subdevice automatically.

 * configure the 8255 subdevice automatically.



 *

This driver also works independently with ISA and PCI cards that

 * This driver also works independently with ISA and PCI cards that

directly map the 8255 registers to I/O ports, including cards with

 * directly map the 8255 registers to I/O ports, including cards with

multiple 8255 chips.  To configure the driver for such a card, the

 * multiple 8255 chips.  To configure the driver for such a card, the

option list should be a list of the I/O port bases for each of the

 * option list should be a list of the I/O port bases for each of the

8255 chips.  For example,

 * 8255 chips.  For example,



 *

  comedi_config /dev/comedi0 8255 0x200,0x204,0x208,0x20c

 *   comedi_config /dev/comedi0 8255 0x200,0x204,0x208,0x20c



 *

Note that most PCI 8255 boards do NOT work with this driver, and

 * Note that most PCI 8255 boards do NOT work with this driver, and

need a separate driver as a wrapper.  For those that do work, the

 * need a separate driver as a wrapper.  For those that do work, the

I/O port base address can be found in the output of 'lspci -v'.

 * I/O port base address can be found in the output of 'lspci -v'.



 */

 */





/*

/*