[RESEND PATCH v1, 13/18] drm/mediatek: add ddp write register common api
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STALE2771d
SUPERSEDED
From: Yongqiang Niu <hidden>
Date: 2019-03-14 08:05:57
Also in:
dri-devel, linux-mediatek
Subsystem:
drm drivers, drm drivers for mediatek, the rest · Maintainers:
David Airlie, Simona Vetter, Chun-Kuang Hu, Philipp Zabel, Linus Torvalds
Revision v1 of 14 in this series.
Revisions (14)
This patch add ddp write register common api Signed-off-by: Yongqiang Niu <redacted> --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 24 ++++++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +++++++++ 2 files changed, 33 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index a97e27b..1c0f9cc 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c@@ -84,6 +84,30 @@ #define DITHER_ADD_LSHIFT_G(x) (((x) & 0x7) << 4) #define DITHER_ADD_RSHIFT_G(x) (((x) & 0x7) << 0) +void mtk_ddp_write(unsigned int value, struct mtk_ddp_comp *comp, + unsigned int offset) +{ + writel(value, comp->regs + offset); +} + +void mtk_ddp_write_relaxed(unsigned int value, + struct mtk_ddp_comp *comp, + unsigned int offset) +{ + writel_relaxed(value, comp->regs + offset); +} + +void mtk_ddp_write_mask(unsigned int value, + struct mtk_ddp_comp *comp, + unsigned int offset, + unsigned int mask) +{ + unsigned int tmp = readl(comp->regs + offset); + + tmp = (tmp & ~mask) | (value & mask); + writel(tmp, comp->regs + offset); +} + void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, unsigned int CFG) {
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index f2ab0b3..b908172 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h@@ -189,5 +189,14 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node, void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp); void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc, unsigned int CFG); +void mtk_ddp_write(unsigned int value, struct mtk_ddp_comp *comp, + unsigned int offset); +void mtk_ddp_write_relaxed(unsigned int value, + struct mtk_ddp_comp *comp, + unsigned int offset); +void mtk_ddp_write_mask(unsigned int value, + struct mtk_ddp_comp *comp, + unsigned int offset, + unsigned int mask); #endif /* MTK_DRM_DDP_COMP_H */
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1.8.1.1.dirty