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Diffstat (limited to 'drivers/staging/meilhaus/me8100_di.h')
| -rw-r--r-- | drivers/staging/meilhaus/me8100_di.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/staging/meilhaus/me8100_di.h b/drivers/staging/meilhaus/me8100_di.h new file mode 100644 index 000000000000..e1db79129175 --- /dev/null +++ b/drivers/staging/meilhaus/me8100_di.h @@ -0,0 +1,89 @@ +/** + * @file me8100_di.h + * + * @brief ME-8100 digital input 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 _ME8100_DI_H_ +#define _ME8100_DI_H_ + +#include "mesubdevice.h" + +#ifdef __KERNEL__ + +/** + * @brief The template subdevice class. + */ +typedef struct me8100_di_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; + + unsigned di_idx; + + int irq; + volatile int rised; + unsigned int irq_count; + + uint status_flag; /**< Default interupt status flag */ + uint status_value; /**< Interupt status */ + uint status_value_edges; /**< Extended interupt status */ + uint line_value; + + uint16_t compare_value; + uint8_t filtering_flag; + + wait_queue_head_t wait_queue; + + unsigned long ctrl_reg; + unsigned long port_reg; + unsigned long mask_reg; + unsigned long pattern_reg; + unsigned long long din_int_reg; + unsigned long irq_reset_reg; + unsigned long irq_status_reg; +#ifdef MEDEBUG_DEBUG_REG + unsigned long reg_base; +#endif + +} me8100_di_subdevice_t; + +/** + * @brief The constructor to generate a ME-8100 digital input subdevice instance. + * + * @param reg_base The register base address of the device as returned by the PCI BIOS. + * + * @return Pointer to new instance on success.\n + * NULL on error. + */ +me8100_di_subdevice_t *me8100_di_constructor(uint32_t me8100_reg_base, + uint32_t plx_reg_base, + unsigned int di_idx, + int irq, + spinlock_t * ctrl_leg_lock); + +#endif +#endif |