| /* |
| * Copyright (c) 2016, Intel Corporation |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of the Intel Corporation nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> |
| */ |
| |
| #ifndef __INCLUDE_INTERRUPT__ |
| #define __INCLUDE_INTERRUPT__ |
| |
| #include <stdint.h> |
| #include <arch/interrupt.h> |
| #include <platform/interrupt.h> |
| #include <sof/trace.h> |
| #include <sof/debug.h> |
| #include <sof/lock.h> |
| #include <sof/list.h> |
| |
| #define trace_irq(__e) trace_event(TRACE_CLASS_IRQ, __e) |
| #define trace_irq_error(__e) trace_error(TRACE_CLASS_IRQ, __e) |
| |
| struct irq_desc { |
| /* irq must be first for constructor */ |
| int irq; /* logical IRQ number */ |
| |
| /* handler is optional for constructor */ |
| void (*handler)(void *arg); |
| void *handler_arg; |
| |
| /* to identify interrupt with the same IRQ */ |
| int id; |
| spinlock_t lock; |
| uint32_t enabled_count; |
| |
| /* to link to other irq_desc */ |
| struct list_item irq_list; |
| |
| uint32_t num_children; |
| struct list_item child[PLATFORM_IRQ_CHILDREN]; |
| }; |
| |
| int interrupt_register(uint32_t irq, |
| void(*handler)(void *arg), void *arg); |
| void interrupt_unregister(uint32_t irq); |
| uint32_t interrupt_enable(uint32_t irq); |
| uint32_t interrupt_disable(uint32_t irq); |
| |
| static inline void interrupt_set(int irq) |
| { |
| arch_interrupt_set(SOF_IRQ_NUMBER(irq)); |
| } |
| |
| static inline void interrupt_clear(int irq) |
| { |
| arch_interrupt_clear(SOF_IRQ_NUMBER(irq)); |
| } |
| |
| static inline uint32_t interrupt_global_disable(void) |
| { |
| return arch_interrupt_global_disable(); |
| } |
| |
| static inline void interrupt_global_enable(uint32_t flags) |
| { |
| arch_interrupt_global_enable(flags); |
| } |
| |
| #endif |