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Linux_SDK_V1.2.1

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Signed-off-by: thead_admin <occ_thead@service.alibaba.com>
This commit is contained in:
thead_admin
2023-08-07 11:23:02 +08:00
committed by Han Gao
parent 599b048690
commit f4327ba402
86 changed files with 7487 additions and 736 deletions
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include/linux/light_rpmsg.h Normal file
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/*
* Copyright (C) 2023 Alibaba Group Holding Limited.
*/
/*
* The code contained herein is licensed under the GNU Lesser General
* Public License. You may obtain a copy of the GNU Lesser General
* Public License Version 2.1 or later at the following locations:
*
* http://www.opensource.org/licenses/lgpl-license.html
* http://www.gnu.org/copyleft/lgpl.html
*/
/*
* @file linux/light_rpmsg.h
*
* @brief Global header file for imx RPMSG
*
* @ingroup RPMSG
*/
#ifndef __LINUX_LIGHT_RPMSG_H__
#define __LINUX_LIGHT_RPMSG_H__
#include <linux/rpmsg.h>
#include <linux/slab.h>
#include <linux/virtio.h>
#include <linux/virtio_config.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_ring.h>
/* Category define */
#define LIGHT_RMPSG_LIFECYCLE 1
#define LIGHT_RPMSG_PMIC 2
#define LIGHT_RPMSG_AUDIO 3
#define LIGHT_RPMSG_KEY 4
#define LIGHT_RPMSG_GPIO 5
#define LIGHT_RPMSG_RTC 6
#define LIGHT_RPMSG_SENSOR 7
/* rpmsg version */
#define LIGHT_RMPSG_MAJOR 1
#define LIGHT_RMPSG_MINOR 0
enum light_rpmsg_variants {
LIGHTA,
LIGHTB,
LIGHT_RPMSG,
};
struct light_virdev {
struct virtio_device vdev;
unsigned int vring[2];
struct virtqueue *vq[2];
int base_vq_id;
int num_of_vqs;
struct notifier_block nb;
};
struct light_rpmsg_vproc {
char *rproc_name;
struct mutex lock;
struct clk *mu_clk;
enum light_rpmsg_variants variant;
int vdev_nums;
int first_notify;
#define MAX_VDEV_NUMS 8
struct light_virdev ivdev[MAX_VDEV_NUMS];
void __iomem *mu_base;
struct delayed_work rpmsg_work;
struct blocking_notifier_head notifier;
#define MAX_NUM 10 /* enlarge it if overflow happen */
u32 m4_message[MAX_NUM];
u32 in_idx;
u32 out_idx;
u32 core_id;
spinlock_t mu_lock;
};
struct light_rpmsg_head {
u8 cate;
u8 major;
u8 minor;
u8 type;
u8 cmd;
u8 reserved[5];
} __attribute__ ((packed));
#endif /* __LINUX_LIGHT_RPMSG_H__*/