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path: root/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_disp_ovl.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_disp_ovl.c67
1 files changed, 43 insertions, 24 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 589c33937793..90a78db0e96b 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -73,6 +73,7 @@ struct mtk_disp_ovl {
struct mtk_ddp_comp ddp_comp;
struct drm_crtc *crtc;
struct clk *clk;
+ void __iomem *regs;
const struct mtk_disp_ovl_data *data;
};
@@ -87,7 +88,7 @@ static irqreturn_t mtk_disp_ovl_irq_handler(int irq, void *dev_id)
struct mtk_ddp_comp *ovl = &priv->ddp_comp;
/* Clear frame completion interrupt */
- writel(0x0, ovl->regs + DISP_REG_OVL_INTSTA);
+ writel(0x0, priv->regs + DISP_REG_OVL_INTSTA);
if (!priv->crtc)
return IRQ_NONE;
@@ -103,8 +104,8 @@ static void mtk_ovl_enable_vblank(struct mtk_ddp_comp *comp,
struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
ovl->crtc = crtc;
- writel(0x0, comp->regs + DISP_REG_OVL_INTSTA);
- writel_relaxed(OVL_FME_CPL_INT, comp->regs + DISP_REG_OVL_INTEN);
+ writel(0x0, ovl->regs + DISP_REG_OVL_INTSTA);
+ writel_relaxed(OVL_FME_CPL_INT, ovl->regs + DISP_REG_OVL_INTEN);
}
static void mtk_ovl_disable_vblank(struct mtk_ddp_comp *comp)
@@ -112,7 +113,7 @@ static void mtk_ovl_disable_vblank(struct mtk_ddp_comp *comp)
struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
ovl->crtc = NULL;
- writel_relaxed(0x0, comp->regs + DISP_REG_OVL_INTEN);
+ writel_relaxed(0x0, ovl->regs + DISP_REG_OVL_INTEN);
}
static int mtk_ovl_clk_enable(struct device *dev)
@@ -131,25 +132,31 @@ static void mtk_ovl_clk_disable(struct device *dev)
static void mtk_ovl_start(struct mtk_ddp_comp *comp)
{
- writel_relaxed(0x1, comp->regs + DISP_REG_OVL_EN);
+ struct mtk_disp_ovl *ovl = dev_get_drvdata(comp->dev);
+
+ writel_relaxed(0x1, ovl->regs + DISP_REG_OVL_EN);
}
static void mtk_ovl_stop(struct mtk_ddp_comp *comp)
{
- writel_relaxed(0x0, comp->regs + DISP_REG_OVL_EN);
+ struct mtk_disp_ovl *ovl = dev_get_drvdata(comp->dev);
+
+ writel_relaxed(0x0, ovl->regs + DISP_REG_OVL_EN);
}
static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,
unsigned int h, unsigned int vrefresh,
unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
{
+ struct mtk_disp_ovl *ovl = dev_get_drvdata(comp->dev);
+
if (w != 0 && h != 0)
- mtk_ddp_write_relaxed(cmdq_pkt, h << 16 | w, comp,
+ mtk_ddp_write_relaxed(cmdq_pkt, h << 16 | w, comp, ovl->regs,
DISP_REG_OVL_ROI_SIZE);
- mtk_ddp_write_relaxed(cmdq_pkt, 0x0, comp, DISP_REG_OVL_ROI_BGCLR);
+ mtk_ddp_write_relaxed(cmdq_pkt, 0x0, comp, ovl->regs, DISP_REG_OVL_ROI_BGCLR);
- mtk_ddp_write(cmdq_pkt, 0x1, comp, DISP_REG_OVL_RST);
- mtk_ddp_write(cmdq_pkt, 0x0, comp, DISP_REG_OVL_RST);
+ mtk_ddp_write(cmdq_pkt, 0x1, comp, ovl->regs, DISP_REG_OVL_RST);
+ mtk_ddp_write(cmdq_pkt, 0x0, comp, ovl->regs, DISP_REG_OVL_RST);
}
static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
@@ -201,7 +208,7 @@ static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx,
unsigned int gmc_value;
struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
- mtk_ddp_write(cmdq_pkt, 0x1, comp,
+ mtk_ddp_write(cmdq_pkt, 0x1, comp, ovl->regs,
DISP_REG_OVL_RDMA_CTRL(idx));
gmc_thrshd_l = GMC_THRESHOLD_LOW >>
(GMC_THRESHOLD_BITS - ovl->data->gmc_bits);
@@ -213,17 +220,19 @@ static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx,
gmc_value = gmc_thrshd_l | gmc_thrshd_l << 8 |
gmc_thrshd_h << 16 | gmc_thrshd_h << 24;
mtk_ddp_write(cmdq_pkt, gmc_value,
- comp, DISP_REG_OVL_RDMA_GMC(idx));
- mtk_ddp_write_mask(cmdq_pkt, BIT(idx), comp,
+ comp, ovl->regs, DISP_REG_OVL_RDMA_GMC(idx));
+ mtk_ddp_write_mask(cmdq_pkt, BIT(idx), comp, ovl->regs,
DISP_REG_OVL_SRC_CON, BIT(idx));
}
static void mtk_ovl_layer_off(struct mtk_ddp_comp *comp, unsigned int idx,
struct cmdq_pkt *cmdq_pkt)
{
- mtk_ddp_write_mask(cmdq_pkt, 0, comp,
+ struct mtk_disp_ovl *ovl = dev_get_drvdata(comp->dev);
+
+ mtk_ddp_write_mask(cmdq_pkt, 0, comp, ovl->regs,
DISP_REG_OVL_SRC_CON, BIT(idx));
- mtk_ddp_write(cmdq_pkt, 0, comp,
+ mtk_ddp_write(cmdq_pkt, 0, comp, ovl->regs,
DISP_REG_OVL_RDMA_CTRL(idx));
}
@@ -295,15 +304,15 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
addr += pending->pitch - 1;
}
- mtk_ddp_write_relaxed(cmdq_pkt, con, comp,
+ mtk_ddp_write_relaxed(cmdq_pkt, con, comp, ovl->regs,
DISP_REG_OVL_CON(idx));
- mtk_ddp_write_relaxed(cmdq_pkt, pitch, comp,
+ mtk_ddp_write_relaxed(cmdq_pkt, pitch, comp, ovl->regs,
DISP_REG_OVL_PITCH(idx));
- mtk_ddp_write_relaxed(cmdq_pkt, src_size, comp,
+ mtk_ddp_write_relaxed(cmdq_pkt, src_size, comp, ovl->regs,
DISP_REG_OVL_SRC_SIZE(idx));
- mtk_ddp_write_relaxed(cmdq_pkt, offset, comp,
+ mtk_ddp_write_relaxed(cmdq_pkt, offset, comp, ovl->regs,
DISP_REG_OVL_OFFSET(idx));
- mtk_ddp_write_relaxed(cmdq_pkt, addr, comp,
+ mtk_ddp_write_relaxed(cmdq_pkt, addr, comp, ovl->regs,
DISP_REG_OVL_ADDR(ovl, idx));
mtk_ovl_layer_on(comp, idx, cmdq_pkt);
@@ -311,20 +320,22 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
static void mtk_ovl_bgclr_in_on(struct mtk_ddp_comp *comp)
{
+ struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
unsigned int reg;
- reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON);
+ reg = readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON);
reg = reg | OVL_BGCLR_SEL_IN;
- writel(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON);
+ writel(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON);
}
static void mtk_ovl_bgclr_in_off(struct mtk_ddp_comp *comp)
{
+ struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
unsigned int reg;
- reg = readl(comp->regs + DISP_REG_OVL_DATAPATH_CON);
+ reg = readl(ovl->regs + DISP_REG_OVL_DATAPATH_CON);
reg = reg & ~OVL_BGCLR_SEL_IN;
- writel(reg, comp->regs + DISP_REG_OVL_DATAPATH_CON);
+ writel(reg, ovl->regs + DISP_REG_OVL_DATAPATH_CON);
}
static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = {
@@ -378,6 +389,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct mtk_disp_ovl *priv;
+ struct resource *res;
int comp_id;
int irq;
int ret;
@@ -396,6 +408,13 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
return PTR_ERR(priv->clk);
}
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ priv->regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(priv->regs)) {
+ dev_err(dev, "failed to ioremap ovl\n");
+ return PTR_ERR(priv->regs);
+ }
+
priv->data = of_device_get_match_data(dev);
comp_id = mtk_ddp_comp_get_id(dev->of_node,
generated by cgit (git 2.34.1) at 2024-06-12 11:33:52 +0000