src/platform/baytrail/include/platform/interrupt.h

/*
 * 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_PLATFORM_INTERRUPT__
#define __INCLUDE_PLATFORM_INTERRUPT__

#include <stdint.h>
#include <string.h>
#include <sof/interrupt-map.h>

/* IRQ numbers */
#define IRQ_NUM_SOFTWARE0	0	/* Level 1 */
#define IRQ_NUM_TIMER1		1	/* Level 1 */
#define IRQ_NUM_SOFTWARE1	2	/* Level 1 */
#define IRQ_NUM_SOFTWARE2	3	/* Level 1 */
#define IRQ_NUM_TIMER2		5	/* Level 2 */
#define IRQ_NUM_SOFTWARE3	6	/* Level 2 */
#define IRQ_NUM_TIMER3		7	/* Level 3 */
#define IRQ_NUM_SOFTWARE4	8	/* Level 3 */
#define IRQ_NUM_SOFTWARE5	9	/* Level 3 */
#define IRQ_NUM_EXT_IA		10	/* Level 4 */
#define IRQ_NUM_EXT_PMC		11	/* Level 4 */
#define IRQ_NUM_SOFTWARE6	12	/* Level 5 */
#define IRQ_NUM_EXT_DMAC0	13	/* Level 5 */
#define IRQ_NUM_EXT_DMAC1	14	/* Level 5 */
#define IRQ_NUM_EXT_TIMER	15	/* Level 5 */
#define IRQ_NUM_EXT_SSP0	16	/* Level 5 */
#define IRQ_NUM_EXT_SSP1	17	/* Level 5 */
#define IRQ_NUM_EXT_SSP2	18	/* Level 5 */
#define IRQ_NUM_EXT_DMAC2	19	/* Level 5 */
#define IRQ_NUM_NMI		20	/* Level 7 */

/* SSP 3,4,5 share PHY IRQs with SSP 0,1,2 respectively but we give them a
  virtual number in order to differentiate from SSP0, 1 and 2 IRQs */
#define IRQ_CHT_SSP_OFFSET	16
#define IRQ_NUM_EXT_SSP3	(IRQ_CHT_SSP_OFFSET + IRQ_NUM_EXT_SSP0)	/* Level 5 */
#define IRQ_NUM_EXT_SSP4	(IRQ_CHT_SSP_OFFSET + IRQ_NUM_EXT_SSP1)	/* Level 5 */
#define IRQ_NUM_EXT_SSP5	(IRQ_CHT_SSP_OFFSET + IRQ_NUM_EXT_SSP2)	/* Level 5 */

/* IRQ Masks */
#define IRQ_MASK_SOFTWARE0	(1 << IRQ_NUM_SOFTWARE0)
#define IRQ_MASK_TIMER1		(1 << IRQ_NUM_TIMER1)
#define IRQ_MASK_SOFTWARE1	(1 << IRQ_NUM_SOFTWARE1)
#define IRQ_MASK_SOFTWARE2	(1 << IRQ_NUM_SOFTWARE2)
#define IRQ_MASK_TIMER2		(1 << IRQ_NUM_TIMER2)
#define IRQ_MASK_SOFTWARE3	(1 << IRQ_NUM_SOFTWARE3)
#define IRQ_MASK_TIMER3		(1 << IRQ_NUM_TIMER3)
#define IRQ_MASK_SOFTWARE4	(1 << IRQ_NUM_SOFTWARE4)
#define IRQ_MASK_SOFTWARE5	(1 << IRQ_NUM_SOFTWARE5)
#define IRQ_MASK_EXT_IA		(1 << IRQ_NUM_EXT_IA)
#define IRQ_MASK_EXT_PMC	(1 << IRQ_NUM_EXT_PMC)
#define IRQ_MASK_SOFTWARE6	(1 << IRQ_NUM_SOFTWARE6)
#define IRQ_MASK_EXT_DMAC0	(1 << IRQ_NUM_EXT_DMAC0)
#define IRQ_MASK_EXT_DMAC1	(1 << IRQ_NUM_EXT_DMAC1)
#define IRQ_MASK_EXT_TIMER	(1 << IRQ_NUM_EXT_TIMER)
#define IRQ_MASK_EXT_SSP0	(1 << IRQ_NUM_EXT_SSP0)
#define IRQ_MASK_EXT_SSP1	(1 << IRQ_NUM_EXT_SSP1)
#define IRQ_MASK_EXT_SSP2	(1 << IRQ_NUM_EXT_SSP2)
#define IRQ_MASK_EXT_DMAC2	(1 << IRQ_NUM_EXT_DMAC2)

/* no nested interrupts */
#define PLATFORM_IRQ_CHILDREN	0

static inline void platform_interrupt_init(void) {}

static inline struct irq_desc *platform_irq_get_parent(uint32_t irq)
{
	return NULL;
}

void platform_interrupt_set(int irq);
void platform_interrupt_clear(uint32_t irq, uint32_t mask);
uint32_t platform_interrupt_get_enabled(void);
void platform_interrupt_mask(uint32_t irq, uint32_t mask);
void platform_interrupt_unmask(uint32_t irq, uint32_t mask);

#endif