Merge "esoc: Add esoc header APIs to resolve build dependencies"

include/linux/esoc_client.h

@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2014, 2017-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef __ESOC_CLIENT_H_
+#define __ESOC_CLIENT_H_
+
+#include <linux/device.h>
+#include <linux/esoc_ctrl.h>
+#include <linux/notifier.h>
+
+/* Flag values used with the power_on and power_off hooks */
+#define ESOC_HOOK_MDM_CRASH	0x0001 /* In crash handling path */
+#define ESOC_HOOK_MDM_DOWN	0x0002 /* MDM about to go down */
+
+struct esoc_client_hook {
+	char *name;
+	void *priv;
+	enum esoc_client_hook_prio prio;
+	int (*esoc_link_power_on)(void *priv, unsigned int flags);
+	void (*esoc_link_power_off)(void *priv, unsigned int flags);
+	u64 (*esoc_link_get_id)(void *priv);
+	void (*esoc_link_mdm_crash)(void *priv);
+};
+
+/*
+ * struct esoc_desc: Describes an external soc
+ * @name: external soc name
+ * @priv: private data for external soc
+ */
+struct esoc_desc {
+	const char *name;
+	const char *link;
+	const char *link_info;
+	void *priv;
+};
+
+#if IS_ENABLED(CONFIG_QCOM_ESOC_CLIENT)
+/* Can return probe deferral */
+struct esoc_desc *devm_register_esoc_client(struct device *dev,
+							const char *name);
+void devm_unregister_esoc_client(struct device *dev,
+						struct esoc_desc *esoc_desc);
+int esoc_register_client_notifier(struct notifier_block *nb);
+int esoc_register_client_hook(struct esoc_desc *desc,
+				struct esoc_client_hook *client_hook);
+int esoc_unregister_client_hook(struct esoc_desc *desc,
+				struct esoc_client_hook *client_hook);
+
+#else
+struct esoc_desc *devm_register_esoc_client(struct device *dev,
+							const char *name)
+{
+	return NULL;
+}
+
+void devm_unregister_esoc_client(struct device *dev,
+						struct esoc_desc *esoc_desc)
+{
+}
+
+int esoc_register_client_notifier(struct notifier_block *nb)
+{
+	return -EPERM;
+}
+
+int esoc_register_client_hook(struct esoc_desc *desc,
+				struct esoc_client_hook *client_hook)
+{
+	return -EPERM;
+}
+
+int esoc_unregister_client_hook(struct esoc_desc *desc,
+				struct esoc_client_hook *client_hook)
+{
+	return -EPERM;
+}
+#endif
+#endif

include/uapi/linux/esoc_ctrl.h

@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+/*
+ * Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _UAPI_ESOC_CTRL_H_
+#define _UAPI_ESOC_CTRL_H_
+
+#include <linux/types.h>
+
+enum esoc_client_hook_prio {
+	ESOC_MHI_HOOK,
+	ESOC_MAX_HOOKS
+};
+
+struct esoc_link_data {
+	enum esoc_client_hook_prio prio;
+	__u64 link_id;
+};
+
+#define ESOC_CODE		0xCC
+
+#define ESOC_CMD_EXE		_IOW(ESOC_CODE, 1, unsigned int)
+#define ESOC_WAIT_FOR_REQ	_IOR(ESOC_CODE, 2, unsigned int)
+#define ESOC_NOTIFY		_IOW(ESOC_CODE, 3, unsigned int)
+#define ESOC_GET_STATUS		_IOR(ESOC_CODE, 4, unsigned int)
+#define ESOC_GET_ERR_FATAL	_IOR(ESOC_CODE, 5, unsigned int)
+#define ESOC_WAIT_FOR_CRASH	_IOR(ESOC_CODE, 6, unsigned int)
+#define ESOC_REG_REQ_ENG	_IO(ESOC_CODE, 7)
+#define ESOC_REG_CMD_ENG	_IO(ESOC_CODE, 8)
+#define ESOC_GET_LINK_ID	_IOWR(ESOC_CODE, 9, struct esoc_link_data)
+#define ESOC_SET_BOOT_FAIL_ACT	_IOW(ESOC_CODE, 10, unsigned int)
+#define ESOC_SET_N_PON_TRIES	_IOW(ESOC_CODE, 11, unsigned int)
+
+#define ESOC_REQ_SEND_SHUTDOWN	ESOC_REQ_SEND_SHUTDOWN
+#define ESOC_REQ_CRASH_SHUTDOWN ESOC_REQ_CRASH_SHUTDOWN
+#define ESOC_PON_RETRY		ESOC_PON_RETRY
+#define ESOC_BOOT_FAIL_ACTION
+
+enum esoc_boot_fail_action {
+	BOOT_FAIL_ACTION_RETRY,
+	BOOT_FAIL_ACTION_COLD_RESET,
+	BOOT_FAIL_ACTION_SHUTDOWN,
+	BOOT_FAIL_ACTION_PANIC,
+	BOOT_FAIL_ACTION_NOP,
+	BOOT_FAIL_ACTION_S3_RESET,
+	BOOT_FAIL_ACTION_LAST,
+};
+
+enum esoc_evt {
+	ESOC_RUN_STATE = 0x1,
+	ESOC_UNEXPECTED_RESET,
+	ESOC_ERR_FATAL,
+	ESOC_IN_DEBUG,
+	ESOC_REQ_ENG_ON,
+	ESOC_REQ_ENG_OFF,
+	ESOC_CMD_ENG_ON,
+	ESOC_CMD_ENG_OFF,
+	ESOC_INVALID_STATE,
+	ESOC_RETRY_PON_EVT,
+	ESOC_BOOT_STATE,
+};
+
+enum esoc_cmd {
+	ESOC_PWR_ON = 1,
+	ESOC_PWR_OFF,
+	ESOC_FORCE_PWR_OFF,
+	ESOC_RESET,
+	ESOC_PREPARE_DEBUG,
+	ESOC_EXE_DEBUG,
+	ESOC_EXIT_DEBUG,
+};
+
+enum esoc_notify {
+	ESOC_IMG_XFER_DONE = 1,
+	ESOC_BOOT_DONE,
+	ESOC_BOOT_FAIL,
+	ESOC_IMG_XFER_RETRY,
+	ESOC_IMG_XFER_FAIL,
+	ESOC_UPGRADE_AVAILABLE,
+	ESOC_DEBUG_DONE,
+	ESOC_DEBUG_FAIL,
+	ESOC_PRIMARY_CRASH,
+	ESOC_PRIMARY_REBOOT,
+	ESOC_PON_RETRY,
+};
+
+enum esoc_req {
+	ESOC_REQ_IMG = 1,
+	ESOC_REQ_DEBUG,
+	ESOC_REQ_SHUTDOWN,
+	ESOC_REQ_SEND_SHUTDOWN,
+	ESOC_REQ_CRASH_SHUTDOWN,
+};
+
+#endif