tidss_drv.h

 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#include <drm/drm_device.h>
13
14#define TIDSS_MAX_PORTS 4
15#define TIDSS_MAX_PLANES 4
16#define TIDSS_MAX_OLDI_TXES 2
17
18typedef u32 dispc_irq_t;
19struct tidss_oldi;
20
21struct tidss_device {
22	struct drm_device ddev;		/* DRM device for DSS */
23	struct device *dev;		/* Underlying DSS device */
24
25	const struct dispc_features *feat;
26	struct dispc_device *dispc;
27	bool is_ext_vp_clk[TIDSS_MAX_PORTS];
28
29
30	unsigned int num_crtcs;
31	struct drm_crtc *crtcs[TIDSS_MAX_PORTS];
32
33	unsigned int num_planes;
34	struct drm_plane *planes[TIDSS_MAX_PLANES];
35
36	unsigned int num_oldis;
37	struct tidss_oldi *oldis[TIDSS_MAX_OLDI_TXES];
38
39	unsigned int irq;
40
41	/* protects the irq masks field and irqenable/irqstatus registers */
42	spinlock_t irq_lock;
43	dispc_irq_t irq_mask;	/* enabled irqs */
44};
45
46#define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev)
47
48int tidss_runtime_get(struct tidss_device *tidss);
49void tidss_runtime_put(struct tidss_device *tidss);
50
51#endif