summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/tidss/tidss_drv.h
blob: 7de4bba52e6fa67d7689a7bff79778dcb0ab2ba2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
 */

#ifndef __TIDSS_DRV_H__
#define __TIDSS_DRV_H__

#include <linux/spinlock.h>

#define TIDSS_MAX_PORTS 4
#define TIDSS_MAX_PLANES 4

typedef u32 dispc_irq_t;

struct tidss_device {
	struct drm_device ddev;		/* DRM device for DSS */
	struct device *dev;		/* Underlying DSS device */

	const struct dispc_features *feat;
	struct dispc_device *dispc;

	unsigned int num_crtcs;
	struct drm_crtc *crtcs[TIDSS_MAX_PORTS];

	unsigned int num_planes;
	struct drm_plane *planes[TIDSS_MAX_PLANES];

	spinlock_t wait_lock;	/* protects the irq masks */
	dispc_irq_t irq_mask;	/* enabled irqs in addition to wait_list */
};

#define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev)

int tidss_runtime_get(struct tidss_device *tidss);
void tidss_runtime_put(struct tidss_device *tidss);

#endif