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Commit c82315f4 authored by Kyle Yan's avatar Kyle Yan Committed by Gerrit - the friendly Code Review server
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Merge "drivers: soc: qcom: Add helper functions for RPMH communication" into msm-4.8

parents 65be4a5e d7194ffe

drivers/soc/qcom/Kconfig

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Original line number Original line Diff line number Diff line
@@ -281,3 +281,11 @@ config TRACER_PKT 
	  Tracer Packet helps in profiling the performance of inter-

	  Tracer Packet helps in profiling the performance of inter-

	  processor communication protocols. The profiling information

	  processor communication protocols. The profiling information

	  can be logged into the tracer packet itself.

	  can be logged into the tracer packet itself.



config QTI_RPMH_API

	bool "QTI RPMH (h/w accelerators) Communication API"

	select MAILBOX

	select QTI_RPMH_MBOX

	help

	  This option enables RPMH hardware communication for making shared

	  resource requests on Qualcomm Technologies Inc SoCs.

drivers/soc/qcom/Makefile

+1 −0
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@@ -30,3 +30,4 @@ obj-$(CONFIG_MSM_GLINK_SMEM_NATIVE_XPRT) += glink_smem_native_xprt.o 
obj-$(CONFIG_MSM_GLINK_SPI_XPRT) += glink_spi_xprt.o

obj-$(CONFIG_MSM_GLINK_SPI_XPRT) += glink_spi_xprt.o

obj-$(CONFIG_TRACER_PKT) += tracer_pkt.o

obj-$(CONFIG_TRACER_PKT) += tracer_pkt.o

obj-$(CONFIG_QCOM_BUS_SCALING) += msm_bus/

obj-$(CONFIG_QCOM_BUS_SCALING) += msm_bus/

obj-$(CONFIG_QTI_RPMH_API) += rpmh.o

drivers/soc/qcom/rpmh.c

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+837 −0

File added.

Preview size limit exceeded, changes collapsed.

include/soc/qcom/rpmh.h

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/* Copyright (c) 2016, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */

#ifndef __SOC_QCOM_RPMH_H__

#define __SOC_QCOM_RPMH_H__



#include <soc/qcom/tcs.h>



struct rpmh_client;



#ifdef CONFIG_QTI_RPMH_API

int rpmh_write_single(struct rpmh_client *rc, enum rpmh_state state,

			u32 addr, u32 data);



int rpmh_write_single_async(struct rpmh_client *rc,

			enum rpmh_state state, u32 addr, u32 data);



int rpmh_write(struct rpmh_client *rc, enum rpmh_state state,

			struct tcs_cmd *cmd, int n);



int rpmh_write_async(struct rpmh_client *rc, enum rpmh_state state,

			struct tcs_cmd *cmd, int n);



int rpmh_write_passthru(struct rpmh_client *rc, enum rpmh_state state,

			struct tcs_cmd *cmd, int *n);



int rpmh_write_control(struct rpmh_client *rc, struct tcs_cmd *cmd, int n);



int rpmh_invalidate(struct rpmh_client *rc);



int rpmh_flush(struct rpmh_client *rc);



int rpmh_read(struct rpmh_client *rc, u32 addr, u32 *resp);



struct rpmh_client *rpmh_get_byname(struct platform_device *pdev,

			const char *name);



struct rpmh_client *rpmh_get_byindex(struct platform_device *pdev,

			int index);



void rpmh_release(struct rpmh_client *rc);

#else

static inline int rpmh_write_single(struct rpmh_client *rc,

			enum rpmh_state state, u32 addr, u32 data)

{ return -ENODEV; }



static inline int rpmh_write_single_async(struct rpmh_client *rc,

			enum rpmh_state state, u32 addr, u32 data)

{ return -ENODEV; }



static inline int rpmh_write(struct rpmh_client *rc, enum rpmh_state state,

			struct tcs_cmd *cmd, int n)

{ return -ENODEV; }



static inline int rpmh_write_async(struct rpmh_client *rc,

			enum rpmh_state state, struct tcs_cmd *cmd, int n)

{ return -ENODEV; }



static inline int rpmh_write_passthru(struct rpmh_client *rc,

			enum rpmh_state state, struct tcs_cmd *cmd, int *n)

{ return -ENODEV; }



static inline int rpmh_write_control(struct rpmh_client *rc,

			struct tcs_cmd *cmd, int n)

{ return -ENODEV; }



static inline int rpmh_invalidate(struct rpmh_client *rc)

{ return -ENODEV; }



static inline int rpmh_flush(struct rpmh_client *rc)

{ return -ENODEV; }



static inline int rpmh_read(struct rpmh_client *rc, u32 addr,

			u32 *resp)

{ return -ENODEV; }



static inline struct rpmh_client *rpmh_get_byname(struct platform_device *pdev,

			const char *name)

{ return ERR_PTR(-ENODEV); }



static inline struct rpmh_client *rpmh_get_byindex(struct platform_device *pdev,

			int index)

{ return ERR_PTR(-ENODEV); }



static inline void rpmh_release(struct rpmh_client *rc) { }

#endif /* CONFIG_QTI_RPMH_API */



#endif /* __SOC_QCOM_RPMH_H__ */