163 lines
5.2 KiB
C
163 lines
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* mddp_sm.h - Structure/API provided by MDDP state machine.
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*
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* Copyright (c) 2020 MediaTek Inc.
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*/
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#ifndef __MDDP_SM_H
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#define __MDDP_SM_H
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#include <linux/completion.h>
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#include <linux/workqueue.h>
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#include "mddp_export.h"
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#include "mddp_ipc.h"
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#define MDDP_ABNORMAL_CCCI_SEND_FAILED (1U << 0)
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#define MDDP_ABNORMAL_CHECK_FEATURE_ABSENT (1U << 1)
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#define MDDP_ABNORMAL_WIFI_DRV_GET_FEATURE_BEFORE_MD_READY (1U << 2)
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//------------------------------------------------------------------------------
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// Struct definition.
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// -----------------------------------------------------------------------------
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/*!
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* Event for MDDP state machine.
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*/
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enum mddp_event_e {
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MDDP_EVT_FUNC_ENABLE, /**< Enable MDDP. */
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MDDP_EVT_FUNC_DISABLE, /**< Disable MDDP. */
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MDDP_EVT_FUNC_ACT, /**< Activate MDDP. */
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MDDP_EVT_FUNC_DEACT, /**< Deactivate MDDP. */
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MDDP_EVT_MD_RSP_OK, /**< MD Response OK. */
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MDDP_EVT_MD_RSP_FAIL, /**< MD Response FAIL. */
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MDDP_EVT_MD_RSP_TIMEOUT, /**<MD Response timeout. */
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MDDP_EVT_MD_RESET, /**<MD send RESET. */
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MDDP_EVT_CNT,
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MDDP_EVT_DUMMY = 0x7fff /* Make it a 2-byte enum */
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};
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enum mddp_sysfs_cmd_e {
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MDDP_SYSFS_CMD_ENABLE_READ, /* User read ENABLE sysfs */
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MDDP_SYSFS_CMD_ENABLE_WRITE, /* User write ENABLE sysfs */
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MDDP_SYSFS_CMD_STATISTIC_READ, /* User read STATISTIC sysfs */
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#ifdef MDDP_EM_SUPPORT
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MDDP_SYSFS_EM_CMD_TEST_READ,
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MDDP_SYSFS_EM_CMD_TEST_WRITE,
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#endif
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};
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/*!
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* Structure of state machine entry.
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*/
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struct mddp_app_t;
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typedef void (*mddp_sm_action_t)(struct mddp_app_t *);
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typedef int32_t (*mddp_md_recv_msg_hdlr_t)(uint32_t msg_id,
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void *buf, uint32_t buf_len);
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typedef int32_t (*mddp_reg_drv_cbf_t)(struct mddp_drv_handle_t *);
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typedef ssize_t (*mddp_sysfs_cbf_t)(struct mddp_app_t *app,
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enum mddp_sysfs_cmd_e,
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char *buf, size_t buf_len);
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struct mddp_sm_entry_t {
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enum mddp_event_e event;
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enum mddp_state_e new_state;
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mddp_sm_action_t action;
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};
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struct mddp_ap_cfg_t {
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uint8_t ul_dev_name[IFNAMSIZ];
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uint8_t dl_dev_name[IFNAMSIZ];
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};
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struct mddp_md_cfg_t {
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uint32_t ipc_ap_mod_id;
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enum mdfpm_user_id_e ipc_md_user_id;
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};
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/*!
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* MDDP application structure.
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*/
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struct mddp_app_t {
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uint32_t is_config; /**< app is configured or not. */
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enum mddp_app_type_e type; /**< app type. */
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enum mddp_state_e state; /**< app status. */
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spinlock_t locker; /**< spin locker. */
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struct mddp_ap_cfg_t ap_cfg; /**< AP config. */
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struct mddp_md_cfg_t md_cfg; /**< MD config. */
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mddp_md_recv_msg_hdlr_t md_recv_msg_hdlr; /**< Recv msg from MD. */
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mddp_reg_drv_cbf_t reg_drv_callback; /**< Register callback. */
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mddp_reg_drv_cbf_t dereg_drv_callback; /**< DeReg callback. */
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struct mddp_drv_handle_t drv_hdlr; /**< Driver handler. */
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mddp_sysfs_cbf_t sysfs_callback; /**< Sysfs callback. */
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struct mddp_sm_entry_t *state_machines[MDDP_STATE_CNT];
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uint32_t drv_reg;
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atomic_t feature;
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uint32_t abnormal_flags;
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uint32_t reset_cnt;
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struct completion md_resp_comp;
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};
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//------------------------------------------------------------------------------
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// Constant variable.
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// -----------------------------------------------------------------------------
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typedef uint16_t MDDP_MOD_TYPE;
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static const MDDP_MOD_TYPE mddp_sm_module_list_s[] = {
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#undef MDDP_MODULE_ID
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#undef MDDP_MODULE_PREFIX
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#define MDDP_MODULE_ID(_id) _id,
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#define MDDP_MODULE_PREFIX(_prefix)
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#include "mddp_app_config.h"
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};
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//------------------------------------------------------------------------------
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// Helper macro.
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// -----------------------------------------------------------------------------
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#define MDDP_MOD_CNT (sizeof(mddp_sm_module_list_s) / sizeof(MDDP_MOD_TYPE))
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//------------------------------------------------------------------------------
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// External functions.
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// -----------------------------------------------------------------------------
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int32_t mddpu_sm_init(struct mddp_app_t *app);
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int32_t mddpwh_sm_init(struct mddp_app_t *app);
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//------------------------------------------------------------------------------
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// Public functions.
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// -----------------------------------------------------------------------------
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int32_t mddp_sm_init(void);
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void mddp_sm_uninit(void);
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struct mddp_app_t *mddp_get_default_app_inst(void);
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enum mddp_state_e mddp_sm_set_state_by_md_rsp(struct mddp_app_t *app,
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enum mddp_state_e new_state, bool md_rsp_result);
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#ifdef __MDDP_DEBUG__
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void mddp_dump_sm_table(struct mddp_app_t *app);
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#else
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#define mddp_dump_sm_table(...)
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#endif
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enum mddp_state_e mddp_sm_on_event(struct mddp_app_t *app, enum mddp_event_e event);
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void mddp_sm_wait_pre(struct mddp_app_t *app);
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void mddp_sm_wait(struct mddp_app_t *app, enum mddp_event_e event);
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void mddp_check_feature(void);
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int32_t mddp_sm_msg_hdlr(uint32_t user_id,
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uint32_t msg_id, void *buf, uint32_t buf_len);
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int32_t mddp_sm_reg_callback(
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struct mddp_drv_conf_t *conf,
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struct mddp_drv_handle_t *handle);
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void mddp_sm_dereg_callback(
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struct mddp_drv_conf_t *conf,
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struct mddp_drv_handle_t *handle);
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void mddp_netdev_notifier_exit(void);
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#endif /* __MDDP_SM_H */
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