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/me1400_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/me1400_ext_irq.h')
-rw-r--r-- | drivers/staging/meilhaus/me1400_ext_irq.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/staging/meilhaus/me1400_ext_irq.h b/drivers/staging/meilhaus/me1400_ext_irq.h new file mode 100644 index 00000000000..9b72a04701c --- /dev/null +++ b/drivers/staging/meilhaus/me1400_ext_irq.h @@ -0,0 +1,62 @@ +/** + * @file me1400_ext_irq.h + * + * @brief ME-1400 external interrupt implementation. + * @note Copyright (C) 2006 Meilhaus Electronic GmbH (support@meilhaus.de) + * @author Guenter Gebhardt + */ + +#ifndef _ME1400_EXT_IRQ_H_ +#define _ME1400_EXT_IRQ_H_ + +#include <linux/sched.h> + +#include "mesubdevice.h" +#include "meslock.h" + +#ifdef __KERNEL__ + +/** + * @brief The ME-1400 external interrupt subdevice class. + */ +typedef struct me1400_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 *clk_src_reg_lock; /**< Lock protecting the clock control register. */ + + wait_queue_head_t wait_queue; /**< Queue to put on threads waiting for an interrupt. */ + + uint32_t device_id; /**< The device id of the device holding the subdevice. */ + int irq; /**< The irq number assigned by PCI BIOS. */ + int rised; /**< If true an interrupt has occured. */ + unsigned int n; /**< The number of interrupt since the driver was loaded. */ + + unsigned long plx_intcs_reg; /**< The PLX interrupt control and status register. */ + unsigned long ctrl_reg; /**< The control register. */ +#ifdef MEDEBUG_DEBUG_REG + unsigned long reg_base; +#endif +} me1400_ext_irq_subdevice_t; + +/** + * @brief The constructor to generate a ME-1400 external interrupt instance. + * + * @param plx_reg_base The register base address of the PLX chip as returned by the PCI BIOS. + * @param me1400_reg_base The register base address of the ME-1400 device as returned by the PCI BIOS. + * @param irq The irq assigned by the PCI BIOS. + * + * @return Pointer to new instance on success.\n + * NULL on error. + */ +me1400_ext_irq_subdevice_t *me1400_ext_irq_constructor(uint32_t device_id, + uint32_t plx_reg_base, + uint32_t me1400_reg_base, + spinlock_t * + clk_src_reg_lock, + int irq); + +#endif +#endif |