drm/tidss/tidss_drv.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
0004  * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
0005  */
0006
0007 #ifndef __TIDSS_DRV_H__
0008 #define __TIDSS_DRV_H__
0009
0010 #include <linux/spinlock.h>
0011
0012 #define TIDSS_MAX_PORTS 4
0013 #define TIDSS_MAX_PLANES 4
0014
0015 typedef u32 dispc_irq_t;
0016
0017 struct tidss_device {
0018     struct drm_device ddev;     /* DRM device for DSS */
0019     struct device *dev;     /* Underlying DSS device */
0020
0021     const struct dispc_features *feat;
0022     struct dispc_device *dispc;
0023
0024     unsigned int num_crtcs;
0025     struct drm_crtc *crtcs[TIDSS_MAX_PORTS];
0026
0027     unsigned int num_planes;
0028     struct drm_plane *planes[TIDSS_MAX_PLANES];
0029
0030     unsigned int irq;
0031
0032     spinlock_t wait_lock;   /* protects the irq masks */
0033     dispc_irq_t irq_mask;   /* enabled irqs in addition to wait_list */
0034 };
0035
0036 #define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev)
0037
0038 int tidss_runtime_get(struct tidss_device *tidss);
0039 void tidss_runtime_put(struct tidss_device *tidss);
0040
0041 #endif