linux/include/soc/tegra/bpmp.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
 */

#ifndef __SOC_TEGRA_BPMP_H
#define __SOC_TEGRA_BPMP_H

#include <linux/iosys-map.h>
#include <linux/mailbox_client.h>
#include <linux/pm_domain.h>
#include <linux/reset-controller.h>
#include <linux/semaphore.h>
#include <linux/types.h>

#include <soc/tegra/bpmp-abi.h>

struct tegra_bpmp_clk;
struct tegra_bpmp_ops;

struct tegra_bpmp_soc {};

struct tegra_bpmp_mb_data {} __packed;

#define tegra_bpmp_mb_read(dst, mb, size)

#define tegra_bpmp_mb_write(mb, src, size)

#define tegra_bpmp_mb_read_field(mb, field)

#define tegra_bpmp_mb_write_field(mb, field, value)

struct tegra_bpmp_channel {};

tegra_bpmp_mrq_handler_t;

struct tegra_bpmp_mrq {};

struct tegra_bpmp {};

#define TEGRA_BPMP_MESSAGE_RESET

struct tegra_bpmp_message {};

#if IS_ENABLED(CONFIG_TEGRA_BPMP)
struct tegra_bpmp *tegra_bpmp_get(struct device *dev);
void tegra_bpmp_put(struct tegra_bpmp *bpmp);
int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp,
			       struct tegra_bpmp_message *msg);
int tegra_bpmp_transfer(struct tegra_bpmp *bpmp,
			struct tegra_bpmp_message *msg);
void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel, int code,
			   const void *data, size_t size);

int tegra_bpmp_request_mrq(struct tegra_bpmp *bpmp, unsigned int mrq,
			   tegra_bpmp_mrq_handler_t handler, void *data);
void tegra_bpmp_free_mrq(struct tegra_bpmp *bpmp, unsigned int mrq,
			 void *data);
bool tegra_bpmp_mrq_is_supported(struct tegra_bpmp *bpmp, unsigned int mrq);
#else
static inline struct tegra_bpmp *tegra_bpmp_get(struct device *dev)
{}
static inline void tegra_bpmp_put(struct tegra_bpmp *bpmp)
{}
static inline int tegra_bpmp_transfer_atomic(struct tegra_bpmp *bpmp,
					     struct tegra_bpmp_message *msg)
{}
static inline int tegra_bpmp_transfer(struct tegra_bpmp *bpmp,
				      struct tegra_bpmp_message *msg)
{}
static inline void tegra_bpmp_mrq_return(struct tegra_bpmp_channel *channel,
					 int code, const void *data,
					 size_t size)
{}

static inline int tegra_bpmp_request_mrq(struct tegra_bpmp *bpmp,
					 unsigned int mrq,
					 tegra_bpmp_mrq_handler_t handler,
					 void *data)
{}
static inline void tegra_bpmp_free_mrq(struct tegra_bpmp *bpmp,
				       unsigned int mrq, void *data)
{}

static inline bool tegra_bpmp_mrq_is_supported(struct tegra_bpmp *bpmp,
					      unsigned int mrq)
{}
#endif

void tegra_bpmp_handle_rx(struct tegra_bpmp *bpmp);

#if IS_ENABLED(CONFIG_CLK_TEGRA_BPMP)
int tegra_bpmp_init_clocks(struct tegra_bpmp *bpmp);
#else
static inline int tegra_bpmp_init_clocks(struct tegra_bpmp *bpmp)
{}
#endif

#if IS_ENABLED(CONFIG_RESET_TEGRA_BPMP)
int tegra_bpmp_init_resets(struct tegra_bpmp *bpmp);
#else
static inline int tegra_bpmp_init_resets(struct tegra_bpmp *bpmp)
{
	return 0;
}
#endif

#if IS_ENABLED(CONFIG_SOC_TEGRA_POWERGATE_BPMP)
int tegra_bpmp_init_powergates(struct tegra_bpmp *bpmp);
#else
static inline int tegra_bpmp_init_powergates(struct tegra_bpmp *bpmp)
{}
#endif

#if IS_ENABLED(CONFIG_DEBUG_FS)
int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp);
#else
static inline int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp)
{
	return 0;
}
#endif


#endif /* __SOC_TEGRA_BPMP_H */