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 * ARM HDLCD Controller register definition
4 */
5
6#ifndef __HDLCD_DRV_H__
7#define __HDLCD_DRV_H__
8
9struct hdlcd_drm_private {
10 void __iomem *mmio;
11 struct clk *clk;
12 struct drm_crtc crtc;
13 struct drm_plane *plane;
14 unsigned int irq;
15#ifdef CONFIG_DEBUG_FS
16 atomic_t buffer_underrun_count;
17 atomic_t bus_error_count;
18 atomic_t vsync_count;
19 atomic_t dma_end_count;
20#endif
21};
22
23#define crtc_to_hdlcd_priv(x) container_of(x, struct hdlcd_drm_private, crtc)
24
25static inline void hdlcd_write(struct hdlcd_drm_private *hdlcd,
26 unsigned int reg, u32 value)
27{
28 writel(value, hdlcd->mmio + reg);
29}
30
31static inline u32 hdlcd_read(struct hdlcd_drm_private *hdlcd, unsigned int reg)
32{
33 return readl(hdlcd->mmio + reg);
34}
35
36int hdlcd_setup_crtc(struct drm_device *dev);
37void hdlcd_set_scanout(struct hdlcd_drm_private *hdlcd);
38
39#endif /* __HDLCD_DRV_H__ */