blob: 6cf89712c278e4d827d7a0d01b113f3d857539a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* GXP SSMT driver.
*
* Copyright (C) 2022 Google LLC
*/
#ifndef __GXP_SSMT_H__
#define __GXP_SSMT_H__
#include "gxp-internal.h"
#define SSMT_CLAMP_MODE_BYPASS (1u << 31)
struct gxp_ssmt {
struct gxp_dev *gxp;
void __iomem *idma_ssmt_base;
void __iomem *inst_data_ssmt_base;
};
/*
* Initializes @ssmt structure.
*
* Resources allocated in this function are all device-managed.
*
* Returns 0 on success, -errno otherwise.
*/
int gxp_ssmt_init(struct gxp_dev *gxp, struct gxp_ssmt *ssmt);
/*
* Programs SSMT to have @core (0 ~ GXP_NUM_CORES - 1) issue transactions
* with VID = @vid.
*/
void gxp_ssmt_set_core_vid(struct gxp_ssmt *ssmt, uint core, uint vid);
static inline void gxp_ssmt_set_core_bypass(struct gxp_ssmt *ssmt, uint core)
{
gxp_ssmt_set_core_vid(ssmt, core, SSMT_CLAMP_MODE_BYPASS);
}
#endif /* __GXP_SSMT_H__ */
|
