From: Yongqiang Niu <[email protected]> This patch add ddp write register common api
Signed-off-by: Yongqiang Niu <[email protected]> --- 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 */ -- 1.8.1.1.dirty _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
