43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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/*
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* dc_shared_isr.c: dc shared isr function declarations.
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*
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* Copyright (c) 2016-2017, NVIDIA CORPORATION, All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __DRIVERS_VIDEO_TEGRA_DC_DC_SHARED_ISR_H
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#define __DRIVERS_VIDEO_TEGRA_DC_DC_SHARED_ISR_H
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/* define to share the Tegra display IRQ with other kernel module */
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#define TEGRA_DC_USR_SHARED_IRQ
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#define TEGRA_DC_HEAD_STATUS_MAGIC1 0x12348765
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struct tegra_dc_head_status {
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int magic; /* magic number to match */
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int irqnum; /* IRQ line number */
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bool init; /* display initialized */
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bool connected; /* display is connected */
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bool active; /* display is active */
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char dummy[53]; /* dummy padding */
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};
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int tegra_dc_get_numof_dispheads(void);
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int tegra_dc_get_disphead_sts(int dcid, struct tegra_dc_head_status *pSts);
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int tegra_dc_register_isr_usr_cb(int dcid,
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int (*usr_isr)(int dcid, unsigned long irq_sts, void *usr_isr_pdt),
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void *usr_isr_pdt);
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int tegra_dc_unregister_isr_usr_cb(int dcid,
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int (*usr_isr)(int dcid, unsigned long irq_sts, void *usr_isr_pdt),
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void *usr_isr_pdt);
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#endif
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