# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o \
- rockchip_drm_gem.o rockchip_drm_psr.o rockchip_drm_vop.o
+ rockchip_drm_gem.o rockchip_drm_psr.o \
+ rockchip_drm_vop.o rockchip_vop_reg.o
rockchipdrm-$(CONFIG_DRM_FBDEV_EMULATION) += rockchip_drm_fbdev.o
-obj-$(CONFIG_ROCKCHIP_ANALOGIX_DP) += analogix_dp-rockchip.o
-obj-$(CONFIG_ROCKCHIP_CDN_DP) += cdn-dp.o
-cdn-dp-objs := cdn-dp-core.o cdn-dp-reg.o
-obj-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
-obj-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o
-obj-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o
+rockchipdrm-$(CONFIG_ROCKCHIP_ANALOGIX_DP) += analogix_dp-rockchip.o
+rockchipdrm-$(CONFIG_ROCKCHIP_CDN_DP) += cdn-dp-core.o cdn-dp-reg.o
+rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
+rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o
+rockchipdrm-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o
-obj-$(CONFIG_DRM_ROCKCHIP) += rockchipdrm.o rockchip_vop_reg.o
+obj-$(CONFIG_DRM_ROCKCHIP) += rockchipdrm.o
rockchip_drm_sys_resume)
};
-static int compare_of(struct device *dev, void *data)
-{
- struct device_node *np = data;
+#define MAX_ROCKCHIP_SUB_DRIVERS 16
+static struct platform_driver *rockchip_sub_drivers[MAX_ROCKCHIP_SUB_DRIVERS];
+static int num_rockchip_sub_drivers;
- return dev->of_node == np;
+static int compare_dev(struct device *dev, void *data)
+{
+ return dev == (struct device *)data;
}
-static void rockchip_add_endpoints(struct device *dev,
- struct component_match **match,
- struct device_node *port)
+static struct component_match *rockchip_drm_match_add(struct device *dev)
{
- struct device_node *ep, *remote;
+ struct component_match *match = NULL;
+ int i;
- for_each_child_of_node(port, ep) {
- remote = of_graph_get_remote_port_parent(ep);
- if (!remote || !of_device_is_available(remote)) {
- of_node_put(remote);
- continue;
- } else if (!of_device_is_available(remote->parent)) {
- dev_warn(dev, "parent device of %s is not available\n",
- remote->full_name);
- of_node_put(remote);
- continue;
- }
+ for (i = 0; i < num_rockchip_sub_drivers; i++) {
+ struct platform_driver *drv = rockchip_sub_drivers[i];
+ struct device *p = NULL, *d;
+
+ do {
+ d = bus_find_device(&platform_bus_type, p, &drv->driver,
+ (void *)platform_bus_type.match);
+ put_device(p);
+ p = d;
- drm_of_component_match_add(dev, match, compare_of, remote);
- of_node_put(remote);
+ if (!d)
+ break;
+ component_match_add(dev, &match, compare_dev, d);
+ } while (true);
}
+
+ return match ?: ERR_PTR(-ENODEV);
}
static const struct component_master_ops rockchip_drm_ops = {
.unbind = rockchip_drm_unbind,
};
-static int rockchip_drm_platform_probe(struct platform_device *pdev)
+static int rockchip_drm_platform_of_probe(struct device *dev)
{
- struct device *dev = &pdev->dev;
- struct component_match *match = NULL;
struct device_node *np = dev->of_node;
struct device_node *port;
+ bool found = false;
int i;
if (!np)
return -ENODEV;
- /*
- * Bind the crtc ports first, so that
- * drm_of_find_possible_crtcs called from encoder .bind callbacks
- * works as expected.
- */
+
for (i = 0;; i++) {
struct device_node *iommu;
is_support_iommu = false;
}
+ found = true;
+
of_node_put(iommu);
- drm_of_component_match_add(dev, &match, compare_of,
- port->parent);
of_node_put(port);
}
return -ENODEV;
}
- if (!match) {
+ if (!found) {
dev_err(dev, "No available vop found for display-subsystem.\n");
return -ENODEV;
}
- /*
- * For each bound crtc, bind the encoders attached to its
- * remote endpoint.
- */
- for (i = 0;; i++) {
- port = of_parse_phandle(np, "ports", i);
- if (!port)
- break;
- if (!of_device_is_available(port->parent)) {
- of_node_put(port);
- continue;
- }
+ return 0;
+}
- rockchip_add_endpoints(dev, &match, port);
- of_node_put(port);
- }
+static int rockchip_drm_platform_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct component_match *match = NULL;
+ int ret;
+
+ ret = rockchip_drm_platform_of_probe(dev);
+ if (ret)
+ return ret;
+
+ match = rockchip_drm_match_add(dev);
+ if (IS_ERR(match))
+ return PTR_ERR(match);
return component_master_add_with_match(dev, &rockchip_drm_ops, match);
}
},
};
-module_platform_driver(rockchip_drm_platform_driver);
+#define ADD_ROCKCHIP_SUB_DRIVER(drv, cond) { \
+ if (IS_ENABLED(cond) && \
+ !WARN_ON(num_rockchip_sub_drivers >= MAX_ROCKCHIP_SUB_DRIVERS)) \
+ rockchip_sub_drivers[num_rockchip_sub_drivers++] = &drv; \
+}
+
+static int __init rockchip_drm_init(void)
+{
+ int ret;
+
+ num_rockchip_sub_drivers = 0;
+ ADD_ROCKCHIP_SUB_DRIVER(vop_platform_driver, CONFIG_DRM_ROCKCHIP);
+ ADD_ROCKCHIP_SUB_DRIVER(rockchip_dp_driver,
+ CONFIG_ROCKCHIP_ANALOGIX_DP);
+ ADD_ROCKCHIP_SUB_DRIVER(cdn_dp_driver, CONFIG_ROCKCHIP_CDN_DP);
+ ADD_ROCKCHIP_SUB_DRIVER(dw_hdmi_rockchip_pltfm_driver,
+ CONFIG_ROCKCHIP_DW_HDMI);
+ ADD_ROCKCHIP_SUB_DRIVER(dw_mipi_dsi_driver,
+ CONFIG_ROCKCHIP_DW_MIPI_DSI);
+ ADD_ROCKCHIP_SUB_DRIVER(inno_hdmi_driver, CONFIG_ROCKCHIP_INNO_HDMI);
+
+ ret = platform_register_drivers(rockchip_sub_drivers,
+ num_rockchip_sub_drivers);
+ if (ret)
+ return ret;
+
+ ret = platform_driver_register(&rockchip_drm_platform_driver);
+ if (ret)
+ goto err_unreg_drivers;
+
+ return 0;
+
+err_unreg_drivers:
+ platform_unregister_drivers(rockchip_sub_drivers,
+ num_rockchip_sub_drivers);
+ return ret;
+}
+
+static void __exit rockchip_drm_fini(void)
+{
+ platform_driver_unregister(&rockchip_drm_platform_driver);
+
+ platform_unregister_drivers(rockchip_sub_drivers,
+ num_rockchip_sub_drivers);
+}
+
+module_init(rockchip_drm_init);
+module_exit(rockchip_drm_fini);
MODULE_AUTHOR("Mark Yao <mark.yao@rock-chips.com>");
MODULE_DESCRIPTION("ROCKCHIP DRM Driver");
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