xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/tidss/tidss_drv.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
4*4882a593Smuzhiyun  * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __TIDSS_DRV_H__
8*4882a593Smuzhiyun #define __TIDSS_DRV_H__
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <linux/spinlock.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define TIDSS_MAX_PORTS 4
13*4882a593Smuzhiyun #define TIDSS_MAX_PLANES 4
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun typedef u32 dispc_irq_t;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun struct tidss_device {
18*4882a593Smuzhiyun 	struct drm_device ddev;		/* DRM device for DSS */
19*4882a593Smuzhiyun 	struct device *dev;		/* Underlying DSS device */
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	const struct dispc_features *feat;
22*4882a593Smuzhiyun 	struct dispc_device *dispc;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	unsigned int num_crtcs;
25*4882a593Smuzhiyun 	struct drm_crtc *crtcs[TIDSS_MAX_PORTS];
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	unsigned int num_planes;
28*4882a593Smuzhiyun 	struct drm_plane *planes[TIDSS_MAX_PLANES];
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	spinlock_t wait_lock;	/* protects the irq masks */
31*4882a593Smuzhiyun 	dispc_irq_t irq_mask;	/* enabled irqs in addition to wait_list */
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev)
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun int tidss_runtime_get(struct tidss_device *tidss);
37*4882a593Smuzhiyun void tidss_runtime_put(struct tidss_device *tidss);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #endif
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