blob: 055a6787983c54805e0415a33a39109b0eac386b (
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
42
43
44
45
46
47
48
49
50
51
52
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Callisto power management implementations.
*
* Copyright (C) 2023 Google LLC
*/
#include <linux/thermal.h> /* for fixing bug in gs_tmu_v3 */
#include <linux/types.h>
#include <soc/google/bcl.h>
#include <soc/google/gs_tmu_v3.h>
#include "gxp-internal.h"
#include "gxp-pm.h"
static int callisto_after_blk_power_up(struct gxp_dev *gxp)
{
int ret;
if (gxp->power_mgr->bcl_dev) {
ret = google_init_aur_ratio(gxp->power_mgr->bcl_dev);
if (ret)
dev_warn(gxp->dev, "init BCL ratio failed: %d", ret);
}
/* Inform TMU the block is up. */
return set_acpm_tj_power_status(TZ_AUR, true);
}
static void callisto_before_blk_power_down(struct gxp_dev *gxp)
{
int ret;
ret = set_acpm_tj_power_status(TZ_AUR, false);
if (ret)
dev_err(gxp->dev,
"set Tj power status on blk down failed: %d\n", ret);
}
static const struct gxp_pm_ops gxp_pm_ops = {
.after_blk_power_up = callisto_after_blk_power_up,
.before_blk_power_down = callisto_before_blk_power_down,
};
void gxp_pm_chip_set_ops(struct gxp_power_manager *mgr)
{
mgr->ops = &gxp_pm_ops;
}
void gxp_pm_chip_init(struct gxp_dev *gxp)
{
gxp->power_mgr->bcl_dev = google_retrieve_bcl_handle();
}
|
