xref: /linux/drivers/staging/media/atomisp/pci/css_2401_system/host/isys_irq.c (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  */
15 
16 #include <system_local.h>
17 #include "device_access.h"
18 #include "assert_support.h"
19 #include "ia_css_debug.h"
20 #include "isys_irq.h"
21 
22 #ifndef __INLINE_ISYS2401_IRQ__
23 /*
24  * Include definitions for isys irq private functions. isys_irq.h includes
25  * declarations of these functions by including isys_irq_public.h.
26  */
27 #include "isys_irq_private.h"
28 #endif
29 
30 /* Public interface */
isys_irqc_status_enable(const isys_irq_ID_t isys_irqc_id)31 void isys_irqc_status_enable(const isys_irq_ID_t	isys_irqc_id)
32 {
33 	assert(isys_irqc_id < N_ISYS_IRQ_ID);
34 
35 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "Setting irq mask for port %u\n",
36 			    isys_irqc_id);
37 	isys_irqc_reg_store(isys_irqc_id, ISYS_IRQ_MASK_REG_IDX,
38 			    ISYS_IRQ_MASK_REG_VALUE);
39 	isys_irqc_reg_store(isys_irqc_id, ISYS_IRQ_CLEAR_REG_IDX,
40 			    ISYS_IRQ_CLEAR_REG_VALUE);
41 	isys_irqc_reg_store(isys_irqc_id, ISYS_IRQ_ENABLE_REG_IDX,
42 			    ISYS_IRQ_ENABLE_REG_VALUE);
43 }
44