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https://github.com/nxp-imx/linux-imx.git
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d4f2a37685
Using rising/falling edge as event id is wrong. To SCMI MISC, event id is always 0. But rising/falling edge flags still needs to be passed to System Manager to configure, so export a new hook misc_ctrl_req_notify to enable notification. Signed-off-by: Peng Fan <peng.fan@nxp.com> Reviewed-by: Jacky Bai <ping.bai@nxp.com> Tested-by: Shenwei Wang <shenwei.wang@nxp.com> Acked-by: Jason Liu <jason.hui.liu@nxp.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* SCMI Message Protocol driver NXP extension header
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*
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* Copyright 2023 NXP
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*/
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#ifndef _LINUX_SCMI_NXP_PROTOCOL_H
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#define _LINUX_SCMI_NXP_PROTOCOL_H
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#include <linux/bitfield.h>
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#include <linux/device.h>
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#include <linux/notifier.h>
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#include <linux/types.h>
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#define SCMI_PAYLOAD_LEN 100
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#define SCMI_ARRAY(X, Y) ((SCMI_PAYLOAD_LEN - (X)) / sizeof(Y))
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#define MISC_MAX_VAL SCMI_ARRAY(8, uint32_t)
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enum scmi_nxp_protocol {
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SCMI_PROTOCOL_IMX_BBM = 0x81,
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SCMI_PROTOCOL_IMX_MISC = 0x84,
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};
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struct scmi_imx_bbm_proto_ops {
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int (*rtc_time_set)(const struct scmi_protocol_handle *ph, u32 id, uint64_t sec);
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int (*rtc_time_get)(const struct scmi_protocol_handle *ph, u32 id, u64 *val);
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int (*rtc_alarm_set)(const struct scmi_protocol_handle *ph, u32 id, u64 sec);
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int (*button_get)(const struct scmi_protocol_handle *ph, u32 *state);
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};
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enum scmi_nxp_notification_events {
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SCMI_EVENT_IMX_BBM_RTC = 0x0,
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SCMI_EVENT_IMX_BBM_BUTTON = 0x1,
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SCMI_EVENT_IMX_MISC_CONTROL = 0x0,
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};
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#define SCMI_IMX_BBM_RTC_TIME_SET 0x6
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#define SCMI_IMX_BBM_RTC_TIME_GET 0x7
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#define SCMI_IMX_BBM_RTC_ALARM_SET 0x8
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#define SCMI_IMX_BBM_BUTTON_GET 0x9
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struct scmi_imx_bbm_notif_report {
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bool is_rtc;
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bool is_button;
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ktime_t timestamp;
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unsigned int rtc_id;
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unsigned int rtc_evt;
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};
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struct scmi_imx_misc_ctrl_notify_report {
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ktime_t timestamp;
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unsigned int ctrl_id;
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unsigned int flags;
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};
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struct scmi_imx_misc_proto_ops {
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int (*misc_ctrl_set)(const struct scmi_protocol_handle *ph, u32 id, u32 num, u32 *val);
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int (*misc_ctrl_get)(const struct scmi_protocol_handle *ph, u32 id, u32 *num, u32 *val);
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int (*misc_ctrl_req_notify)(const struct scmi_protocol_handle *ph,
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u32 ctrl_id, u32 evt_id, u32 flags);
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};
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#endif
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