Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/* Copyright (C) 2025 Loongson Technology Corporation Limited */
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#ifndef __MFD_LOONGSON_SE_H__
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#define __MFD_LOONGSON_SE_H__
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#define LOONGSON_ENGINE_CMD_TIMEOUT_US 10000
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#define SE_SEND_CMD_REG 0x0
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#define SE_SEND_CMD_REG_LEN 0x8
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/* Controller command ID */
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#define SE_CMD_START 0x0
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#define SE_CMD_SET_DMA 0x3
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#define SE_CMD_SET_ENGINE_CMDBUF 0x4
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#define SE_S2LINT_STAT 0x88
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#define SE_S2LINT_EN 0x8c
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#define SE_S2LINT_CL 0x94
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#define SE_L2SINT_STAT 0x98
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#define SE_L2SINT_SET 0xa0
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#define SE_INT_ALL 0xffffffff
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#define SE_INT_CONTROLLER BIT(0)
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#define SE_ENGINE_MAX 16
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#define SE_ENGINE_RNG 1
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#define SE_CMD_RNG 0x100
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#define SE_ENGINE_TPM 5
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#define SE_CMD_TPM 0x500
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#define SE_ENGINE_CMD_SIZE 32
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struct loongson_se_engine {
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struct loongson_se *se;
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int id;
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/* Command buffer */
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void *command;
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void *command_ret;
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void *data_buffer;
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uint buffer_size;
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/* Data buffer offset to DMA base */
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uint buffer_off;
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struct completion completion;
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};
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struct loongson_se_engine *loongson_se_init_engine(struct device *dev, int id);
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int loongson_se_send_engine_cmd(struct loongson_se_engine *engine);
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#endif
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