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Commit 39c96c37 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "firmware: qcom_scm: Export invoke callback response API"

parents 1cc4527d 5efbab93

drivers/firmware/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -18,7 +18,7 @@ obj-$(CONFIG_FIRMWARE_MEMMAP) += memmap.o 
obj-$(CONFIG_RASPBERRYPI_FIRMWARE) += raspberrypi.o

obj-$(CONFIG_FW_CFG_SYSFS)	+= qemu_fw_cfg.o

obj-$(CONFIG_QCOM_SCM)		+= _qcom_scm.o

_qcom_scm-y			+= qcom_scm.o qcom_scm-smc.o qcom_smc.o

_qcom_scm-y			+= qcom_scm.o qcom_scm-smc.o

_qcom_scm-$(CONFIG_QTEE_SHM_BRIDGE)	+= qtee_shmbridge.o

obj-$(CONFIG_TI_SCI_PROTOCOL)	+= ti_sci.o

obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o

drivers/firmware/qcom_scm-smc.c

+4 −3
Original line number Diff line number Diff line
@@ -1915,7 +1915,8 @@ int __qcom_scm_invoke_callback_response(struct device *dev, phys_addr_t out_buf, 
	return ret;

}



int __qcom_scm_qseecom_do(u32 cmd_id, struct scm_desc *desc, bool retry)

int __qcom_scm_qseecom_do(struct device *dev, u32 cmd_id, struct scm_desc *desc,

			  bool retry)

{

	int _ret;

	struct qcom_scm_desc _desc;
@@ -1927,9 +1928,9 @@ int __qcom_scm_qseecom_do(u32 cmd_id, struct scm_desc *desc, bool retry) 
	_desc.arginfo = desc->arginfo;



	if (retry)

		_ret = qcom_scm_call(NULL, &_desc);

		_ret = qcom_scm_call(dev, &_desc);

	else

		_ret = qcom_scm_call_noretry(NULL, &_desc);

		_ret = qcom_scm_call_noretry(dev, &_desc);



	memcpy(desc->ret, &_desc.res, sizeof(_desc.res));

drivers/firmware/qcom_scm.c

+16 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/of_platform.h>

#include <linux/clk.h>

#include <linux/reset-controller.h>

#include <soc/qcom/qseecom_scm.h>



#include "qcom_scm.h"

#include "qtee_shmbridge_internal.h"
@@ -894,6 +895,21 @@ int qcom_scm_invoke_callback_response(phys_addr_t out_buf, 
	return __qcom_scm_invoke_callback_response(__scm->dev, out_buf,

			out_buf_size, result, response_type, data);

}

EXPORT_SYMBOL(qcom_scm_invoke_callback_response);



int qcom_scm_qseecom_call(u32 cmd_id, struct scm_desc *desc)

{

	return __qcom_scm_qseecom_do(__scm ? __scm->dev : NULL, cmd_id, desc,

				     true);

}

EXPORT_SYMBOL(qcom_scm_qseecom_call);



int qcom_scm_qseecom_call_noretry(u32 cmd_id, struct scm_desc *desc)

{

	return __qcom_scm_qseecom_do(__scm ? __scm->dev : NULL, cmd_id, desc,

				     false);

}

EXPORT_SYMBOL(qcom_scm_qseecom_call_noretry);



/**

 * qcom_scm_is_available() - Checks if SCM is available

drivers/firmware/qcom_scm.h

+3 −0
Original line number Diff line number Diff line
@@ -218,6 +218,9 @@ extern int __qcom_scm_camera_protect_all(struct device *dev, uint32_t protect, 
extern int __qcom_scm_camera_protect_phy_lanes(struct device *dev,

						bool protect, u64 regmask);



extern int __qcom_scm_qseecom_do(struct device *dev, u32 cmd_id,

				 struct scm_desc *desc, bool retry);



// TOS Services and Function IDs

#define QCOM_SCM_SVC_QSEELOG		0x01

#define QCOM_SCM_QSEELOG_REGISTER	0x06

drivers/firmware/qcom_smc.c

deleted100644 → 0
+0 −19
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2019 The Linux Foundation. All rights reserved.

 */

#include <linux/device.h>

#include <linux/arm-smccc.h>

#include <soc/qcom/qseecom_scm.h>



int qcom_scm_qseecom_call(u32 cmd_id, struct scm_desc *desc)

{

	return __qcom_scm_qseecom_do(cmd_id, desc, true);

}

EXPORT_SYMBOL(qcom_scm_qseecom_call);



int qcom_scm_qseecom_call_noretry(u32 cmd_id, struct scm_desc *desc)

{

	return __qcom_scm_qseecom_do(cmd_id, desc, false);

}

EXPORT_SYMBOL(qcom_scm_qseecom_call_noretry);