| /** |
| * @file me4600_do.h |
| * |
| * @brief ME-4000 digital output subdevice class. |
| * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) |
| * @author Guenter Gebhardt |
| */ |
| |
| /* |
| * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de) |
| * |
| * This file 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., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef _ME4600_DO_H_ |
| #define _ME4600_DO_H_ |
| |
| #include "mesubdevice.h" |
| |
| #ifdef __KERNEL__ |
| |
| /** |
| * @brief The template subdevice class. |
| */ |
| typedef struct me4600_do_subdevice { |
| /* Inheritance */ |
| me_subdevice_t base; /**< The subdevice base class. */ |
| |
| /* Attributes */ |
| spinlock_t subdevice_lock; /**< Spin lock to protect the subdevice from concurrent access. */ |
| spinlock_t *ctrl_reg_lock; /**< Spin lock to protect #ctrl_reg from concurrent access. */ |
| |
| unsigned long port_reg; /**< Register holding the port status. */ |
| unsigned long ctrl_reg; /**< Register to configure the port direction. */ |
| #ifdef MEDEBUG_DEBUG_REG |
| unsigned long reg_base; |
| #endif |
| } me4600_do_subdevice_t; |
| |
| /** |
| * @brief The constructor to generate a ME-4000 digital output subdevice instance. |
| * |
| * @param reg_base The register base address of the device as returned by the PCI BIOS. |
| * @param ctrl_reg_lock Spin lock protecting the control register. |
| * |
| * @return Pointer to new instance on success.\n |
| * NULL on error. |
| */ |
| me4600_do_subdevice_t *me4600_do_constructor(uint32_t reg_base, |
| spinlock_t * ctrl_reg_lock); |
| |
| #endif |
| #endif |