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https://github.com/ARM-software/arm-trusted-firmware.git
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da8cc41bc8
LPM means low power module, it will connect idle and SPM to achieve lower power consumption in some scenarios, and this patch is LPM second version Signed-off-by: Wenzhen Yu <wenzhen.yu@mediatek.corp-partner.google.com> Change-Id: I6ae5b5b4c2056d08c29efab5116be3a92351d8f1
90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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* Copyright (c) 2025, MediaTek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <lpm_v2/mt_lp_api.h>
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#define UPDATE_STATUS(val, status, bit) \
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((val) ? ((status) | (1 << (bit))) : ((status) & ~(1 << (bit))))
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static uint64_t lp_status;
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int mt_audio_update(int type)
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{
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int ret, val;
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switch (type) {
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case AUDIO_AFE_ENTER:
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case AUDIO_AFE_LEAVE:
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val = (type == AUDIO_AFE_ENTER) ? 1 : 0;
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lp_status = UPDATE_STATUS(val, lp_status, AUDIO_AFE);
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ret = mt_lp_rm_do_update(-1, PLAT_RC_IS_FMAUDIO, &val);
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break;
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case AUDIO_DSP_ENTER:
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case AUDIO_DSP_LEAVE:
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val = (type == AUDIO_DSP_ENTER) ? 1 : 0;
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lp_status = UPDATE_STATUS(val, lp_status, AUDIO_DSP);
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ret = mt_lp_rm_do_update(-1, PLAT_RC_IS_ADSP, &val);
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break;
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default:
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ret = -1;
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break;
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}
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return ret;
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}
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int mt_usb_update(int type)
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{
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int ret, val;
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switch (type) {
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case LPM_USB_ENTER:
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case LPM_USB_LEAVE:
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val = (type == LPM_USB_ENTER) ? 1 : 0;
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ret = mt_lp_rm_do_update(-1, PLAT_RC_IS_USB_INFRA, &val);
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break;
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case USB_HEADSET_ENTER:
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case USB_HEADSET_LEAVE:
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val = (type == USB_HEADSET_ENTER) ? 1 : 0;
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lp_status = UPDATE_STATUS(val, lp_status, USB_HEADSET);
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ret = mt_lp_rm_do_update(-1, PLAT_RC_IS_USB_HEADSET, &val);
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break;
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default:
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ret = -1;
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break;
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}
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return ret;
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}
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uint64_t mt_get_lp_scenario_status(void)
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{
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return lp_status;
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}
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int mt_gpueb_hwctrl(int type, void *priv)
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{
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int ret, val;
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switch (type) {
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case GPUEB_PLL_EN:
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case GPUEB_PLL_DIS:
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val = (type == GPUEB_PLL_EN) ? 1 : 0;
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ret = mt_lp_rm_do_hwctrl(PLAT_AP_GPUEB_PLL_CONTROL, val, priv);
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break;
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case GPUEB_GET_PWR_STATUS:
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ret = mt_lp_rm_do_hwctrl(PLAT_AP_GPUEB_PWR_STATUS, 0, priv);
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break;
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case GPUEB_GET_MFG0_PWR_CON:
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ret = mt_lp_rm_do_hwctrl(PLAT_AP_GPUEB_MFG0_PWR_CON, 0, priv);
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break;
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default:
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ret = -1;
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break;
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}
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return ret;
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}
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