drm/hisilicon: Add crtc driver for ADE

Add crtc funcs and helper funcs for ADE.

v8: None.
v7:
- A few Regs define clean up and typo fixs.
v6:
- Cleanup reg-names dt parsing.
v5:
- Use syscon to access ADE media NOC QoS registers instread of directly
  writing registers.
- Use reset controller to reset ADE instead of directly writing registers.
v4: None.
v3:
- Make ade as the master driver.
- Use port to connect with encoder.
- A few cleanup.
v2:
- Remove abtraction layer.

Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
Signed-off-by: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Reviewed-by: Archit Taneja <architt@codeaurora.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
index 75e9d82356d4..5a05ad6a81db 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
@@ -11,10 +11,18 @@
 #ifndef __KIRIN_DRM_DRV_H__
 #define __KIRIN_DRM_DRV_H__
 
+#define MAX_CRTC	2
+
 /* display controller init/cleanup ops */
 struct kirin_dc_ops {
 	int (*init)(struct drm_device *dev);
 	void (*cleanup)(struct drm_device *dev);
 };
 
+struct kirin_drm_private {
+	struct drm_crtc *crtc[MAX_CRTC];
+};
+
+extern const struct kirin_dc_ops ade_dc_ops;
+
 #endif /* __KIRIN_DRM_DRV_H__ */