media: rockchip: isp: Support for RK3326

Change-Id: Iceca3111e6fd03ea6cd64a3c1fcf9627acc4a8c6
Signed-off-by: Hu Kejun <william.hu@rock-chips.com>

Documentation/devicetree/bindings/media/rockchip-isp1.txt

@@ -6,8 +6,9 @@ which contains image processing, scaling, and compression funcitons.
 
 Required properties:
 - compatible: value should be one of the following
-	"rockchip,rk3288-cif-isp";
-	"rockchip,rk3399-cif-isp";
+	"rockchip,rk3288-rkisp1";
+	"rockchip,rk3326-rkisp1";
+	"rockchip,rk3399-rkisp1";
 - reg : offset and length of the register set for the device.
 - interrupts: should contain ISP interrupt.
 - clocks: phandle to the required clocks.

drivers/media/platform/rockchip/isp1/dev.c

@@ -50,6 +50,7 @@
 struct isp_match_data {
 	const char * const *clks;
 	int size;
+	enum rkisp1_isp_ver isp_ver;
 };
 
 int rkisp1_debug;
@@ -422,14 +423,6 @@ err_cleanup_ctx:
 	return ret;
 }
 
-static const char * const rk3399_isp_clks[] = {
-	"clk_isp",
-	"aclk_isp",
-	"hclk_isp",
-	"aclk_isp_wrap",
-	"hclk_isp_wrap",
-};
-
 static const char * const rk3288_isp_clks[] = {
 	"clk_isp",
 	"aclk_isp",
@@ -438,23 +431,49 @@ static const char * const rk3288_isp_clks[] = {
 	"sclk_isp_jpe",
 };
 
-static const struct isp_match_data rk3288_isp_clk_data = {
-	.clks = rk3288_isp_clks,
-	.size = ARRAY_SIZE(rk3288_isp_clks),
+static const char * const rk3326_isp_clks[] = {
+	"clk_isp",
+	"aclk_isp",
+	"hclk_isp",
+	"pclk_isp",
 };
 
-static const struct isp_match_data rk3399_isp_clk_data = {
+static const char * const rk3399_isp_clks[] = {
+	"clk_isp",
+	"aclk_isp",
+	"hclk_isp",
+	"aclk_isp_wrap",
+	"hclk_isp_wrap",
+};
+
+static const struct isp_match_data rk3288_isp_match_data = {
+	.clks = rk3288_isp_clks,
+	.size = ARRAY_SIZE(rk3288_isp_clks),
+	.isp_ver = ISP_V10,
+};
+
+static const struct isp_match_data rk3326_isp_match_data = {
+	.clks = rk3326_isp_clks,
+	.size = ARRAY_SIZE(rk3326_isp_clks),
+	.isp_ver = ISP_V12,
+};
+
+static const struct isp_match_data rk3399_isp_match_data = {
 	.clks = rk3399_isp_clks,
 	.size = ARRAY_SIZE(rk3399_isp_clks),
+	.isp_ver = ISP_V10,
 };
 
 static const struct of_device_id rkisp1_plat_of_match[] = {
 	{
 		.compatible = "rockchip,rk3288-rkisp1",
-		.data = &rk3288_isp_clk_data,
+		.data = &rk3288_isp_match_data,
+	}, {
+		.compatible = "rockchip,rk3326-rkisp1",
+		.data = &rk3326_isp_match_data,
 	}, {
 		.compatible = "rockchip,rk3399-rkisp1",
-		.data = &rk3399_isp_clk_data,
+		.data = &rk3399_isp_match_data,
 	},
 	{},
 };
@@ -565,7 +584,7 @@ static int rkisp1_plat_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct v4l2_device *v4l2_dev;
 	struct rkisp1_device *isp_dev;
-	const struct isp_match_data *clk_data;
+	const struct isp_match_data *match_data;
 
 	struct resource *res;
 	int i, ret, irq;
@@ -595,17 +614,18 @@ static int rkisp1_plat_probe(struct platform_device *pdev)
 	}
 
 	isp_dev->irq = irq;
-	clk_data = match->data;
-	for (i = 0; i < clk_data->size; i++) {
-		struct clk *clk = devm_clk_get(dev, clk_data->clks[i]);
+	match_data = match->data;
+	for (i = 0; i < match_data->size; i++) {
+		struct clk *clk = devm_clk_get(dev, match_data->clks[i]);
 
 		if (IS_ERR(clk)) {
-			dev_err(dev, "failed to get %s\n", clk_data->clks[i]);
+			dev_err(dev, "failed to get %s\n", match_data->clks[i]);
 			return PTR_ERR(clk);
 		}
 		isp_dev->clks[i] = clk;
 	}
-	isp_dev->clk_size = clk_data->size;
+	isp_dev->clk_size = match_data->size;
+	isp_dev->isp_ver = match_data->isp_ver;
 
 	atomic_set(&isp_dev->pipe.power_cnt, 0);
 	atomic_set(&isp_dev->pipe.stream_cnt, 0);

drivers/media/platform/rockchip/isp1/dev.h

@@ -56,6 +56,12 @@
 #define RKISP1_MAX_SENSOR	2
 #define RKISP1_MAX_PIPELINE	4
 
+enum rkisp1_isp_ver {
+	ISP_V10 = 0,
+	ISP_V11,
+	ISP_V12
+};
+
 /*
  * struct rkisp1_pipeline - An ISP hardware pipeline
  *
@@ -116,6 +122,7 @@ struct rkisp1_device {
 	struct rkisp1_pipeline pipe;
 	struct vb2_alloc_ctx *alloc_ctx;
 	struct iommu_domain *domain;
+	enum rkisp1_isp_ver isp_ver;
 };
 
 #endif

drivers/media/platform/rockchip/isp1/regs.h

@@ -1290,6 +1290,9 @@
 #define CIF_ISP_VSM_DELTA_H		(CIF_ISP_VSM_BASE + 0x0000001C)
 #define CIF_ISP_VSM_DELTA_V		(CIF_ISP_VSM_BASE + 0x00000020)
 
+#define CIF_ISP_CSI0_BASE		0x00007000
+#define CIF_ISP_CSI0_CTRL0		(CIF_ISP_CSI0_BASE + 0x00000000)
+
 void disable_dcrop(struct rkisp1_stream *stream, bool async);
 void config_dcrop(struct rkisp1_stream *stream, struct v4l2_rect *rect,
 		  bool async);

drivers/media/platform/rockchip/isp1/rkisp1.c

@@ -302,6 +302,8 @@ static int rkisp1_config_mipi(struct rkisp1_device *dev)
 		    CIF_MIPI_CTRL_CLOCKLANE_ENA;
 
 	writel(mipi_ctrl, base + CIF_MIPI_CTRL);
+	if (dev->isp_ver == ISP_V12)
+		writel(0, base + CIF_ISP_CSI0_CTRL0);
 
 	/* Configure Data Type and Virtual Channel */
 	writel(CIF_MIPI_DATA_SEL_DT(in_fmt->mipi_dt) | CIF_MIPI_DATA_SEL_VC(0),