diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/staging/meilhaus/me0600_ext_irq.h | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/staging/meilhaus/me0600_ext_irq.h')
| -rw-r--r-- | drivers/staging/meilhaus/me0600_ext_irq.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/staging/meilhaus/me0600_ext_irq.h b/drivers/staging/meilhaus/me0600_ext_irq.h new file mode 100644 index 00000000000..f5f2204b49a --- /dev/null +++ b/drivers/staging/meilhaus/me0600_ext_irq.h @@ -0,0 +1,58 @@ +/** + * @file me0600_ext_irq.h + * + * @brief ME-630 external interrupt implementation. + * @note Copyright (C) 2006 Meilhaus Electronic GmbH (support@meilhaus.de) + * @author Guenter Gebhardt + */ + +#ifndef _ME0600_EXT_IRQ_H_ +#define _ME0600_EXT_IRQ_H_ + +#include <linux/sched.h> + +#include "mesubdevice.h" +#include "meslock.h" + +#ifdef __KERNEL__ + +/** + * @brief The ME-630 external interrupt subdevice class. + */ +typedef struct me0600_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 *intcsr_lock; /**< Spin lock to protect #intcsr. */ + + wait_queue_head_t wait_queue; /**< Queue to put on threads waiting for an interrupt. */ + + 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 int lintno; /**< The number of the local PCI interrupt. */ + + uint32_t intcsr; /**< The PLX interrupt control and status register. */ + uint32_t reset_reg; /**< The control register. */ +} me0600_ext_irq_subdevice_t; + +/** + * @brief The constructor to generate a ME-630 external interrupt instance. + * + * @param plx_reg_base The register base address of the PLX chip as returned by the PCI BIOS. + * @param me0600_reg_base The register base address of the ME-630 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. + */ +me0600_ext_irq_subdevice_t *me0600_ext_irq_constructor(uint32_t plx_reg_base, + uint32_t me0600_reg_base, + spinlock_t * intcsr_lock, + unsigned int ext_irq_idx, + int irq); + +#endif +#endif |