63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef _LASTBUS_H__
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#define _LASTBUS_H__
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#include <linux/sizes.h>
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#include <linux/io.h>
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#define LATCH_BUF_LENGTH SZ_4K
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struct lastbus_perisys_offsets {
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unsigned int bus_peri_r0;
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unsigned int bus_peri_r1;
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unsigned int bus_peri_mon;
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};
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struct lastbus_infrasys_offsets {
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unsigned int bus_infra_ctrl;
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unsigned int bus_infra_mask_l;
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unsigned int bus_infra_mask_h;
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unsigned int bus_infra_snapshot;
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};
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struct plt_cfg_bus_latch;
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struct lastbus_ops {
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int (*init)(const struct plt_cfg_bus_latch *self);
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int (*is_timeout)(const struct plt_cfg_bus_latch *self);
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int (*dump)(const struct plt_cfg_bus_latch *self, char *buf, int *wp);
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int (*set_event)(const struct plt_cfg_bus_latch *self,
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const char *buf);
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int (*get_event)(const struct plt_cfg_bus_latch *self, char *buf);
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int (*set_timeout)(const struct plt_cfg_bus_latch *self,
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const char *buf);
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int (*get_timeout)(const struct plt_cfg_bus_latch *self, char *buf);
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};
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struct plt_cfg_bus_latch {
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unsigned int supported;
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unsigned int num_perisys_mon;
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unsigned int num_infrasys_mon;
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unsigned int num_infra_event_reg;
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unsigned int num_peri_event_reg;
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unsigned int secure_perisys;
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unsigned int perisys_enable;
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unsigned int perisys_timeout;
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unsigned int perisys_eventmask;
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unsigned int infrasys_enable;
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unsigned int infrasys_config;
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struct lastbus_ops perisys_ops;
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struct lastbus_ops infrasys_ops;
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void __iomem *peri_base;
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void __iomem *infra_base;
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void __iomem *spm_flag_base;
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struct lastbus_perisys_offsets perisys_offsets;
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struct lastbus_infrasys_offsets infrasys_offsets;
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int (*init)(const struct plt_cfg_bus_latch *self);
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};
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int lastbus_setup(struct plt_cfg_bus_latch *p);
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#endif
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