[mpp_device]: Add new mpp_device for kernel driver

1. Change mpp_device into a new layer for kernel drvier.
2. Separate mpp_service driver and vcodec_service driver.
3. Add mpp_service.c for /dev/mpp_service driver support.
4. Add global mpp_service info query interface.
5. Remove unused function in mpp_device.c

Change-Id: I3f53bba3aef525ad3b1f450bb55830d1eeaf29a6
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>

osal/inc/mpp_device_api.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright 2020 Rockchip Electronics Co. LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __MPP_DEVICE_API_H__
+#define __MPP_DEVICE_API_H__
+
+#include "rk_type.h"
+#include "mpp_err.h"
+#include "mpp_platform.h"
+
+typedef enum MppDevIoctlCmd_e {
+    /* hardware operation setup config */
+    MPP_DEV_REG_WR,
+    MPP_DEV_REG_RD,
+    MPP_DEV_FD_TRANS,
+    MPP_DEV_SET_INFO,
+
+    MPP_DEV_CMD_SEND,
+    MPP_DEV_CMD_POLL,
+
+    MPP_DEV_IOCTL_CMD_BUTT,
+} MppDevIoctlCmd;
+
+/* for MPP_DEV_REG_WR */
+typedef struct MppDevRegWrCfg_t {
+    void    *reg;
+    RK_U32  size;
+    RK_U32  offset;
+} MppDevRegWrCfg;
+
+/* for MPP_DEV_REG_RD */
+typedef struct MppDevRegRdCfg_t {
+    void    *reg;
+    RK_U32  size;
+    RK_U32  offset;
+} MppDevRegRdCfg;
+
+/* for MPP_DEV_FD_TRANS */
+typedef struct MppDevFdTransCfg_t {
+    RK_U32  reg_idx;
+    RK_U32  offset;
+} MppDevFdTransCfg;
+
+/* for MPP_DEV_SET_INFO */
+typedef struct MppDevSetInfoCfg_t {
+    RK_U32  type;
+    RK_U32  flag;
+    RK_U64  data;
+} MppDevSetInfoCfg;
+
+typedef struct MppDevApi_t {
+    const char  *name;
+    RK_U32      ctx_size;
+    MPP_RET     (*init)(void *ctx, MppClientType type);
+    MPP_RET     (*deinit)(void *ctx);
+
+    /* config the cmd on preparing */
+    MPP_RET     (*reg_wr)(void *ctx, MppDevRegWrCfg *cfg);
+    MPP_RET     (*reg_rd)(void *ctx, MppDevRegRdCfg *cfg);
+    MPP_RET     (*fd_trans)(void *ctx, MppDevFdTransCfg *cfg);
+    MPP_RET     (*set_info)(void *ctx, MppDevSetInfoCfg *cfg);
+
+    /* send cmd to hardware */
+    MPP_RET     (*cmd_send)(void *ctx);
+
+    /* poll cmd from hardware */
+    MPP_RET     (*cmd_poll)(void *ctx);
+} MppDevApi;
+
+typedef void* MppDev;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+MPP_RET mpp_dev_init(MppDev *ctx, MppClientType type);
+MPP_RET mpp_dev_deinit(MppDev ctx);
+
+MPP_RET mpp_dev_ioctl(MppDev ctx, RK_S32 cmd, void *param);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MPP_DEVICE_API_H__ */