forked from Minki/linux
139251fc22
This patch adds driver for Tegra210 BPMP firmware. The BPMP is a specific processor in Tegra210 chip, which runs firmware for assisting in entering deep low power states (suspend to ram), and offloading DRAM memory clock scaling on some platforms. Based on work by Sivaram Nair <sivaramn@nvidia.com> Signed-off-by: Timo Alho <talho@nvidia.com> Acked-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
30 lines
1014 B
C
30 lines
1014 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2018, NVIDIA CORPORATION.
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*/
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#ifndef __FIRMWARE_TEGRA_BPMP_PRIVATE_H
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#define __FIRMWARE_TEGRA_BPMP_PRIVATE_H
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#include <soc/tegra/bpmp.h>
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struct tegra_bpmp_ops {
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int (*init)(struct tegra_bpmp *bpmp);
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void (*deinit)(struct tegra_bpmp *bpmp);
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bool (*is_response_ready)(struct tegra_bpmp_channel *channel);
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bool (*is_request_ready)(struct tegra_bpmp_channel *channel);
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int (*ack_response)(struct tegra_bpmp_channel *channel);
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int (*ack_request)(struct tegra_bpmp_channel *channel);
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bool (*is_response_channel_free)(struct tegra_bpmp_channel *channel);
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bool (*is_request_channel_free)(struct tegra_bpmp_channel *channel);
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int (*post_response)(struct tegra_bpmp_channel *channel);
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int (*post_request)(struct tegra_bpmp_channel *channel);
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int (*ring_doorbell)(struct tegra_bpmp *bpmp);
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int (*resume)(struct tegra_bpmp *bpmp);
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};
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extern const struct tegra_bpmp_ops tegra186_bpmp_ops;
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extern const struct tegra_bpmp_ops tegra210_bpmp_ops;
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#endif
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