mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
wanwei.jiang
7f5461b0f1
PD#SWPL-68123 Problem: porting spi driver Solution: porting spi driver Verify: s4d Change-Id: I846bf0d796774ed5c85be80ec9dcba5600551da9 Signed-off-by: wanwei.jiang <wanwei.jiang@amlogic.com>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __LINUX_VMEM_H
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#define __LINUX_VMEM_H
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struct vmem_controller;
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struct vmem_device;
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struct vmem_controller {
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struct device dev;
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struct list_head list;
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struct list_head device_list;
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int bus_num;
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int (*setup)(struct vmem_device *vmemdev);
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int (*cleanup)(struct vmem_device *vmemdev);
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};
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struct vmem_device {
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struct device dev;
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struct vmem_controller *vmemctlr;
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struct list_head list;
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u8 dev_num;
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u8 *mem;
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int size;
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int (*cmd_notify)(u8 cmd_val, int offset, int size);
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int (*data_notify)(u8 cmd_val, int offset, int size);
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};
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struct vmem_controller *vmem_get_controller(int bus_num);
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struct vmem_controller *
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vmem_create_controller(struct device *dev, int size);
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void vmem_destroy_controller(struct vmem_controller *vmemctlr);
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struct vmem_device *
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vmem_get_device(struct vmem_controller *vmemctlr, int dev_num);
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struct vmem_device *
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vmem_create_device(struct vmem_controller *vmemctlr, int dev_num, int mem_size);
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void vmem_destroy_device(struct vmem_device *vmemdev);
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int vmem_setup(struct vmem_device *vmemdev);
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int vmem_cleanup(struct vmem_device *vmemdev);
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#endif /* __LINUX_VMEM_H */
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