tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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