66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
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/**
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* @file me4600_do.h
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*
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* @brief ME-4000 digital output subdevice class.
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* @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
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* @author Guenter Gebhardt
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*/
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/*
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* Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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*
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _ME4600_DO_H_
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#define _ME4600_DO_H_
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#include "mesubdevice.h"
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#ifdef __KERNEL__
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/**
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* @brief The template subdevice class.
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*/
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typedef struct me4600_do_subdevice {
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/* Inheritance */
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me_subdevice_t base; /**< The subdevice base class. */
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/* Attributes */
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spinlock_t subdevice_lock; /**< Spin lock to protect the subdevice from concurrent access. */
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spinlock_t *ctrl_reg_lock; /**< Spin lock to protect #ctrl_reg from concurrent access. */
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unsigned long port_reg; /**< Register holding the port status. */
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unsigned long ctrl_reg; /**< Register to configure the port direction. */
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#ifdef MEDEBUG_DEBUG_REG
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unsigned long reg_base;
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#endif
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} me4600_do_subdevice_t;
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/**
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* @brief The constructor to generate a ME-4000 digital output subdevice instance.
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*
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* @param reg_base The register base address of the device as returned by the PCI BIOS.
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* @param ctrl_reg_lock Spin lock protecting the control register.
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*
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* @return Pointer to new instance on success.\n
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* NULL on error.
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*/
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me4600_do_subdevice_t *me4600_do_constructor(uint32_t reg_base,
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spinlock_t * ctrl_reg_lock);
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#endif
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#endif
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