diff options
author | David Kiliani <mail@davidkiliani.de> | 2008-11-01 00:39:12 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-01-06 13:52:29 -0800 |
commit | 3fedd14818592016f7ffd84dfe134881b3896ecf (patch) | |
tree | 22574873dc7d844d4cc33d04f7e6ba03f23c639e /drivers/staging/meilhaus/me4600_ext_irq.h | |
parent | 5ec5ec78060481e6a0cecc06ab0c6ec8b213ec80 (diff) |
Staging: Add the Meilhaus ME-IDS driver package
Originally written by Guenter Gebhardt <g.gebhardt@meilhaus.de>
and Krzysztof Gantzke <k.gantzke@meilhaus.de>
This is the drv/lnx/mod directory of ME-IDS 1.2.9 tarball with
some files from drv/lnx/include.
Signed-off-by: David Kiliani <mail@davidkiliani.de>
Cc: Guenter Gebhardt <g.gebhardt@meilhaus.de>
Cc: Krzysztof Gantzke <k.gantzke@meilhaus.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/meilhaus/me4600_ext_irq.h')
-rw-r--r-- | drivers/staging/meilhaus/me4600_ext_irq.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/staging/meilhaus/me4600_ext_irq.h b/drivers/staging/meilhaus/me4600_ext_irq.h new file mode 100644 index 00000000000..3c7b27f9e5d --- /dev/null +++ b/drivers/staging/meilhaus/me4600_ext_irq.h @@ -0,0 +1,78 @@ +/** + * @file me4600_ext_irq.h + * + * @brief Meilhaus ME-4000 external interrupt 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_EXT_IRQ_H_ +#define _ME4600_EXT_IRQ_H_ + +#include "mesubdevice.h" + +#ifdef __KERNEL__ + +/** + * @brief The subdevice class. + */ +typedef struct me4600_ext_irq_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. */ + + wait_queue_head_t wait_queue; + + int irq; + + int rised; + int value; + int count; + + unsigned long ctrl_reg; + unsigned long irq_status_reg; + unsigned long ext_irq_config_reg; + unsigned long ext_irq_value_reg; +#ifdef MEDEBUG_DEBUG_REG + unsigned long reg_base; +#endif +} me4600_ext_irq_subdevice_t; + +/** + * @brief The constructor to generate a external interrupt subdevice instance. + * + * @param reg_base The register base address of the device as returned by the PCI BIOS. + * @param irq The interrupt number assigned by the PCI BIOS. + * @param ctrl_reg_lock Pointer to spin lock protecting the control register from concurrent access. + * + * @return Pointer to new instance on success.\n + * NULL on error. + */ +me4600_ext_irq_subdevice_t *me4600_ext_irq_constructor(uint32_t reg_base, + int irq, + spinlock_t * + ctrl_reg_lock); + +#endif +#endif |