xref: /OK3568_Linux_fs/kernel/drivers/dma/qcom/hidma_mgmt.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Qualcomm Technologies HIDMA Management common header
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun struct hidma_mgmt_dev {
9*4882a593Smuzhiyun 	u8 hw_version_major;
10*4882a593Smuzhiyun 	u8 hw_version_minor;
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun 	u32 max_wr_xactions;
13*4882a593Smuzhiyun 	u32 max_rd_xactions;
14*4882a593Smuzhiyun 	u32 max_write_request;
15*4882a593Smuzhiyun 	u32 max_read_request;
16*4882a593Smuzhiyun 	u32 dma_channels;
17*4882a593Smuzhiyun 	u32 chreset_timeout_cycles;
18*4882a593Smuzhiyun 	u32 hw_version;
19*4882a593Smuzhiyun 	u32 *priority;
20*4882a593Smuzhiyun 	u32 *weight;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	/* Hardware device constants */
23*4882a593Smuzhiyun 	void __iomem *virtaddr;
24*4882a593Smuzhiyun 	resource_size_t addrsize;
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	struct kobject **chroots;
27*4882a593Smuzhiyun 	struct platform_device *pdev;
28*4882a593Smuzhiyun };
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun int hidma_mgmt_init_sys(struct hidma_mgmt_dev *dev);
31*4882a593Smuzhiyun int hidma_mgmt_setup(struct hidma_mgmt_dev *mgmtdev);
32