f3235848f6
git-svn-id: svn://svn.openwrt.org/openwrt/packages@23276 3c298f89-4303-0410-b956-a3cf2f4a3e73
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/**
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* drivers/cbus/user_retu_tahvo.h
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*
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* Copyright (C) 2004, 2005 Nokia Corporation
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*
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* Written by Mikko Ylinen <mikko.k.ylinen@nokia.com>
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*
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* Definitions and types used by both retu-user and tahvo-user.
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file "COPYING" in the main directory of this
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* archive for more details.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _USER_RETU_TAHVO_H
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#define _USER_RETU_TAHVO_H
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/* Chip IDs */
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#define CHIP_RETU 1
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#define CHIP_TAHVO 2
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/* Register access type bits */
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#define READ_ONLY 1
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#define WRITE_ONLY 2
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#define READ_WRITE 3
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#define TOGGLE 4
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#define MASK(field) ((u16)(field & 0xFFFF))
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#define REG(field) ((u16)((field >> 16) & 0x3F))
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/*** IOCTL definitions. These should be kept in sync with user space **********/
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#define URT_IOC_MAGIC '`'
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/*
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* IOCTL function naming conventions:
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* ==================================
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* 0 -- No argument and return value
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* S -- Set through a pointer
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* T -- Tell directly with the argument value
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* G -- Reply by setting through a pointer
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* Q -- response is on the return value
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* X -- S and G atomically
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* H -- T and Q atomically
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*/
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/* General */
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#define URT_IOCT_IRQ_SUBSCR _IO(URT_IOC_MAGIC, 0)
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/* RETU */
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#define RETU_IOCH_READ _IO(URT_IOC_MAGIC, 1)
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#define RETU_IOCX_WRITE _IO(URT_IOC_MAGIC, 2)
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#define RETU_IOCH_ADC_READ _IO(URT_IOC_MAGIC, 3)
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/* TAHVO */
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#define TAHVO_IOCH_READ _IO(URT_IOC_MAGIC, 4)
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#define TAHVO_IOCX_WRITE _IO(URT_IOC_MAGIC, 5)
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/* This structure is used for writing RETU/TAHVO registers */
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struct retu_tahvo_write_parms {
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u32 field;
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u16 value;
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u8 result;
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};
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#endif
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