【dd2.0】Support the Core API for dd2.0 (#7791)

6 files changed, 236 insertions, 2 deletions

diff --git a/components/drivers/include/core/bus.h b/components/drivers/include/core/bus.h
new file mode 100644
index 0000000000..10e7fa10ea
--- /dev/null
+++ b/components/drivers/include/core/bus.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-04-12     ErikChan      the first version
+ */
+
+#ifndef __BUS_H__
+#define __BUS_H__
+
+#include <rthw.h>
+#include <drivers/core/device.h>
+#include <drivers/core/driver.h>
+
+typedef struct rt_bus *rt_bus_t;
+
+struct rt_bus
+{
+    struct rt_object parent;    /**< inherit from rt_object */
+
+    char *name;
+    struct rt_bus *bus;
+
+    rt_list_t list;
+    rt_list_t children;
+    rt_list_t dev_list;
+    rt_list_t drv_list;
+
+    struct rt_spinlock spinlock;
+
+    rt_bool_t (*match)(rt_driver_t drv, rt_device_t dev);
+    rt_err_t  (*probe)(rt_device_t dev);
+};
+
+rt_bus_t rt_bus_root(void);
+
+rt_err_t rt_bus_for_each_dev(rt_bus_t bus, rt_driver_t drv, int (*fn)(rt_driver_t drv, rt_device_t dev));
+rt_err_t rt_bus_for_each_drv(rt_bus_t bus, rt_device_t dev, int (*fn)(rt_driver_t drv, rt_device_t dev));
+
+rt_err_t rt_bus_add(rt_bus_t bus);
+rt_err_t rt_bus_add_driver(rt_bus_t bus, rt_driver_t drv);
+rt_err_t rt_bus_add_device(rt_bus_t bus, rt_device_t dev);
+rt_err_t rt_bus_remove_driver(rt_driver_t drv);
+rt_err_t rt_bus_remove_device(rt_device_t dev);
+
+rt_bus_t rt_bus_find_by_name(char *name);
+rt_err_t rt_bus_reload_driver_device(rt_bus_t new_bus, rt_device_t dev);
+
+rt_err_t rt_bus_register(rt_bus_t bus);
+
+#endif /* __BUS_H__ */
diff --git a/components/drivers/include/core/device.h b/components/drivers/include/core/device.h
new file mode 100644
index 0000000000..87019a3797
--- /dev/null
+++ b/components/drivers/include/core/device.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-04-12     ErikChan      the first version
+ */
+
+#ifndef __DEVICE_H__
+#define __DEVICE_H__
+
+#include <rtdef.h>
+
+typedef struct rt_driver *rt_driver_t;
+typedef struct rt_device *rt_device_t;
+
+/**
+ * Notify structure
+ */
+struct rt_device_notify
+{
+    void (*notify)(rt_device_t dev);
+    struct rt_device *dev;
+};
+
+/**
+ * Device structure
+ */
+struct rt_device
+{
+    struct rt_object          parent;                   /**< inherit from rt_object */
+    rt_list_t node;
+    struct rt_bus *bus;
+    void   *priv;
+
+#ifdef RT_USING_DM
+    rt_driver_t drv;
+    void *ofw_node;
+#endif
+    enum rt_device_class_type type;                     /**< device type */
+    rt_uint16_t               flag;                     /**< device flag */
+    rt_uint16_t               open_flag;                /**< device open flag */
+
+    rt_uint8_t                ref_count;                /**< reference count */
+    rt_uint8_t                device_id;                /**< 0 - 255 */
+
+    /* device call back */
+    rt_err_t (*rx_indicate)(rt_device_t dev, rt_size_t size);
+    rt_err_t (*tx_complete)(rt_device_t dev, void *buffer);
+
+#ifdef RT_USING_DEVICE_OPS
+    const struct rt_device_ops *ops;
+#else
+    /* common device interface */
+    rt_err_t  (*init)   (rt_device_t dev);
+    rt_err_t  (*open)   (rt_device_t dev, rt_uint16_t oflag);
+    rt_err_t  (*close)  (rt_device_t dev);
+    rt_ssize_t (*read)  (rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size);
+    rt_ssize_t (*write) (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size);
+    rt_err_t  (*control)(rt_device_t dev, int cmd, void *args);
+#endif /* RT_USING_DEVICE_OPS */
+
+#ifdef RT_USING_POSIX_DEVIO
+    const struct dfs_file_ops *fops;
+    struct rt_wqueue wait_queue;
+#endif /* RT_USING_POSIX_DEVIO */
+
+    void                     *user_data;                /**< device private data */
+};
+
+#ifdef RT_USING_DEVICE_OPS
+/**
+ * operations set for device object
+ */
+struct rt_device_ops
+{
+    /* common device interface */
+    rt_err_t  (*init)   (rt_device_t dev);
+    rt_err_t  (*open)   (rt_device_t dev, rt_uint16_t oflag);
+    rt_err_t  (*close)  (rt_device_t dev);
+    rt_ssize_t (*read)  (rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size);
+    rt_ssize_t (*write) (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size);
+    rt_err_t  (*control)(rt_device_t dev, int cmd, void *args);
+};
+#endif /* RT_USING_DEVICE_OPS */
+
+#endif /* __DEVICE_H__ */
diff --git a/components/drivers/include/core/dm.h b/components/drivers/include/core/dm.h
new file mode 100644
index 0000000000..fc7d0d3a30
--- /dev/null
+++ b/components/drivers/include/core/dm.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-04-20     ErikChan     the first version
+ */
+
+#ifndef __RT_DM_H__
+#define __RT_DM_H__
+
+#include <rthw.h>
+#include <rtdef.h>
+#include <drivers/misc.h>
+#include <drivers/byteorder.h>
+
+#ifndef RT_CPUS_NR
+#define RT_CPUS_NR 1
+#endif
+
+#ifndef RT_USING_SMP
+extern int rt_hw_cpu_id(void);
+#endif
+
+void rt_dm_secondary_cpu_init(void);
+
+int rt_dm_set_dev_name_auto(rt_device_t dev, const char *prefix);
+int rt_dm_get_dev_name_id(rt_device_t dev);
+
+int rt_dm_set_dev_name(rt_device_t dev, const char *format, ...);
+const char *rt_dm_get_dev_name(rt_device_t dev);
+
+#endif /* __RT_DM_H__ */
diff --git a/components/drivers/include/core/driver.h b/components/drivers/include/core/driver.h
new file mode 100644
index 0000000000..60661a2cfb
--- /dev/null
+++ b/components/drivers/include/core/driver.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-04-12     ErikChan      the first version
+ */
+
+#ifndef __DRIVER_H__
+#define __DRIVER_H__
+
+#include <drivers/core/device.h>
+
+struct rt_driver
+{
+    struct rt_bus *bus;
+    rt_list_t node;
+
+#ifdef RT_USING_DEVICE_OPS
+    const struct rt_device_ops *dev_ops;
+#else
+    /* common device interface */
+    rt_err_t  (*init)   (rt_device_t dev);
+    rt_err_t  (*open)   (rt_device_t dev, rt_uint16_t oflag);
+    rt_err_t  (*close)  (rt_device_t dev);
+    rt_ssize_t (*read)  (rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size);
+    rt_ssize_t (*write) (rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size);
+    rt_err_t  (*control)(rt_device_t dev, int cmd, void *args);
+#endif
+
+    const struct filesystem_ops *fops;
+
+    const char *name;
+
+    int (*probe)(struct rt_device *dev);
+    int (*remove)(struct rt_device *dev);
+
+    void *priv;
+};
+
+int rt_driver_probe_device(struct rt_driver *drv, struct rt_device *dev);
+
+rt_err_t rt_driver_register(rt_driver_t drv);
+rt_err_t rt_driver_unregister(rt_driver_t drv);
+
+#define RT_DRIVER_EXPORT(driver, bus_name, mode)    \
+static int ___##driver##_register(void)             \
+{                                                   \
+    rt_##bus_name##_driver_register(&driver);       \
+    return 0;                                       \
+}                                                   \
+INIT_DEVICE_EXPORT(___##driver##_register);         \
+
+#endif /* __DRIVER_H__ */
diff --git a/components/drivers/include/drivers/pic.h b/components/drivers/include/drivers/pic.h
index 5c6ac24c50..a01b22d5b3 100755
--- a/components/drivers/include/drivers/pic.h
+++ b/components/drivers/include/drivers/pic.h
@@ -15,7 +15,7 @@
 
 #include <bitmap.h>
 #include <drivers/ofw.h>
-#include <drivers/core/rtdm.h>
+#include <drivers/core/dm.h>
 
 struct rt_pci_msi_desc;
 struct rt_pci_msi_msg;
diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index 06e5c7158a..ebcbbe15bd 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -170,7 +170,7 @@ extern "C" {
 #endif
 
 #ifdef RT_USING_DM
-#include "drivers/core/rtdm.h"
+#include "drivers/core/dm.h"
 
 #ifdef RT_USING_OFW
 #include "drivers/ofw.h"