tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * ARM HDLCD Controller register definition
3 */
4
5#ifndef __HDLCD_DRV_H__
6#define __HDLCD_DRV_H__
7
8struct hdlcd_drm_private {
9 void __iomem *mmio;
10 struct clk *clk;
11 struct drm_fbdev_cma *fbdev;
12 struct drm_framebuffer *fb;
13 struct list_head event_list;
14 struct drm_crtc crtc;
15 struct drm_plane *plane;
16#ifdef CONFIG_DEBUG_FS
17 atomic_t buffer_underrun_count;
18 atomic_t bus_error_count;
19 atomic_t vsync_count;
20 atomic_t dma_end_count;
21#endif
22};
23
24#define crtc_to_hdlcd_priv(x) container_of(x, struct hdlcd_drm_private, crtc)
25
26static inline void hdlcd_write(struct hdlcd_drm_private *hdlcd,
27 unsigned int reg, u32 value)
28{
29 writel(value, hdlcd->mmio + reg);
30}
31
32static inline u32 hdlcd_read(struct hdlcd_drm_private *hdlcd, unsigned int reg)
33{
34 return readl(hdlcd->mmio + reg);
35}
36
37int hdlcd_setup_crtc(struct drm_device *dev);
38void hdlcd_set_scanout(struct hdlcd_drm_private *hdlcd);
39void hdlcd_crtc_suspend(struct drm_crtc *crtc);
40void hdlcd_crtc_resume(struct drm_crtc *crtc);
41
42#endif /* __HDLCD_DRV_H__ */