1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/ 4 * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> 5 */ 6 7 #ifndef __TIDSS_DRV_H__ 8 #define __TIDSS_DRV_H__ 9 10 #include <linux/spinlock.h> 11 12 #define TIDSS_MAX_PORTS 4 13 #define TIDSS_MAX_PLANES 4 14 15 typedef u32 dispc_irq_t; 16 17 struct tidss_device { 18 struct drm_device ddev; /* DRM device for DSS */ 19 struct device *dev; /* Underlying DSS device */ 20 21 const struct dispc_features *feat; 22 struct dispc_device *dispc; 23 24 unsigned int num_crtcs; 25 struct drm_crtc *crtcs[TIDSS_MAX_PORTS]; 26 27 unsigned int num_planes; 28 struct drm_plane *planes[TIDSS_MAX_PLANES]; 29 30 unsigned int irq; 31 32 /* protects the irq masks field and irqenable/irqstatus registers */ 33 spinlock_t irq_lock; 34 dispc_irq_t irq_mask; /* enabled irqs */ 35 }; 36 37 #define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev) 38 39 int tidss_runtime_get(struct tidss_device *tidss); 40 void tidss_runtime_put(struct tidss_device *tidss); 41 42 #endif 43