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Merge "firmware: qcom_scm: Add new scm to update Camera QoS"

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qctecmdr 2024-04-16 03:25:41 -07:00 committed by Gerrit - the friendly Code Review server
commit e2f917c73f
3 changed files with 57 additions and 3 deletions
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47
drivers/firmware/qcom_scm.c
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@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2010,2015,2019,2021 The Linux Foundation. All rights reserved.
* Copyright (C) 2015 Linaro Ltd.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#define pr_fmt(fmt) "qcom-scm: %s: " fmt, __func__
@ -2439,6 +2439,51 @@ int qcom_scm_camera_protect_phy_lanes(bool protect, u64 regmask)
}
EXPORT_SYMBOL(qcom_scm_camera_protect_phy_lanes);
int qcom_scm_camera_update_camnoc_qos(uint32_t use_case_id,
uint32_t cam_qos_cnt, struct qcom_scm_camera_qos *cam_qos)
{
int ret;
dma_addr_t payload_phys;
u32 *payload_buf = NULL;
u32 payload_size = 0;
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_CAMERA,
.cmd = QCOM_SCM_CAMERA_UPDATE_CAMNOC_QOS,
.owner = ARM_SMCCC_OWNER_SIP,
.args[0] = use_case_id,
.args[2] = payload_size,
.arginfo = QCOM_SCM_ARGS(3, QCOM_SCM_VAL, QCOM_SCM_RW, QCOM_SCM_VAL),
};
if ((cam_qos_cnt > QCOM_SCM_CAMERA_MAX_QOS_CNT) || (cam_qos_cnt && !cam_qos)) {
pr_err("Invalid input SmartQoS count: %d\n", cam_qos_cnt);
return -EINVAL;
}
payload_size = cam_qos_cnt * sizeof(struct qcom_scm_camera_qos);
/* fill all required qos settings */
if (use_case_id && payload_size && cam_qos) {
payload_buf = dma_alloc_coherent(__scm->dev,
payload_size, &payload_phys, GFP_KERNEL);
if (!payload_buf)
return -ENOMEM;
memcpy(payload_buf, cam_qos, payload_size);
desc.args[1] = payload_phys;
desc.args[2] = payload_size;
}
ret = qcom_scm_call(__scm->dev, &desc, NULL);
if (payload_buf)
dma_free_coherent(__scm->dev, payload_size, payload_buf, payload_phys);
return ret;
}
EXPORT_SYMBOL_GPL(qcom_scm_camera_update_camnoc_qos);
int qcom_scm_tsens_reinit(int *tsens_ret)
{
unsigned int ret;

3
drivers/firmware/qcom_scm.h
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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2010-2015,2019,2021 The Linux Foundation. All rights reserved.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef __QCOM_SCM_INT_H
#define __QCOM_SCM_INT_H
@ -216,6 +216,7 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc,
#define QCOM_SCM_SVC_CAMERA 0x18
#define QCOM_SCM_CAMERA_PROTECT_ALL 0x06
#define QCOM_SCM_CAMERA_PROTECT_PHY_LANES 0x07
#define QCOM_SCM_CAMERA_UPDATE_CAMNOC_QOS 0x0A
#define QCOM_SCM_SVC_WAITQ 0x24
#define QCOM_SCM_WAITQ_ACK 0x01

10
include/linux/qcom_scm.h
View File

@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2010-2015, 2018-2019, 2021 The Linux Foundation. All rights reserved.
* Copyright (C) 2015 Linaro Ltd.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#ifndef __QCOM_SCM_H
#define __QCOM_SCM_H
@ -14,6 +14,12 @@
#define QCOM_SCM_CPU_PWR_DOWN_L2_ON 0x0
#define QCOM_SCM_CPU_PWR_DOWN_L2_OFF 0x1
#define QCOM_SCM_HDCP_MAX_REQ_CNT 5
#define QCOM_SCM_CAMERA_MAX_QOS_CNT 2
struct qcom_scm_camera_qos {
u32 offset;
u32 val;
};
enum qcom_download_mode {
QCOM_DOWNLOAD_NODUMP = 0x00,
@ -279,6 +285,8 @@ extern int qcom_scm_smmu_notify_secure_lut(u64 dev_id, bool secure);
extern int qcom_scm_qdss_invoke(phys_addr_t addr, size_t size, u64 *out);
extern int qcom_scm_camera_update_camnoc_qos(uint32_t use_case_id,
uint32_t qos_cnt, struct qcom_scm_camera_qos *scm_buf);
extern int qcom_scm_camera_protect_all(uint32_t protect, uint32_t param);
extern int qcom_scm_camera_protect_phy_lanes(bool protect, u64 regmask);