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+/*****************************************************************************
+
+ (c) Cambridge Silicon Radio Limited 2012
+ All rights reserved and confidential information of CSR
+
+ Refer to LICENSE.txt included with this source for details
+ on the license terms.
+
+*****************************************************************************/
+
+/*
+ * ---------------------------------------------------------------------------
+ *
+ * FILE : csr_wifi_hip_unifi.h
+ *
+ * PURPOSE : Public API for the UniFi HIP core library.
+ *
+ * ---------------------------------------------------------------------------
+ */
+#ifndef __CSR_WIFI_HIP_UNIFI_H__
+#define __CSR_WIFI_HIP_UNIFI_H__ 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef CSR_WIFI_HIP_TA_DISABLE
+#include "csr_wifi_router_ctrl_prim.h"
+#include "csr_wifi_router_prim.h"
+#else
+#include "csr_time.h"
+#endif
+
+/* SDIO chip ID numbers */
+
+/* Manufacturer id */
+#define SDIO_MANF_ID_CSR 0x032a
+
+/* Device id */
+#define SDIO_CARD_ID_UNIFI_1 0x0001
+#define SDIO_CARD_ID_UNIFI_2 0x0002
+#define SDIO_CARD_ID_UNIFI_3 0x0007
+#define SDIO_CARD_ID_UNIFI_4 0x0008
+
+/* Function number for WLAN */
+#define SDIO_WLAN_FUNC_ID_UNIFI_1 0x0001
+#define SDIO_WLAN_FUNC_ID_UNIFI_2 0x0001
+#define SDIO_WLAN_FUNC_ID_UNIFI_3 0x0001
+#define SDIO_WLAN_FUNC_ID_UNIFI_4 0x0002
+
+/* Maximum SDIO bus clock supported. */
+#define UNIFI_SDIO_CLOCK_MAX_HZ 50000000 /* Hz */
+
+/*
+ * Initialisation SDIO bus clock.
+ *
+ * The initialisation clock speed should be used from when the chip has been
+ * reset until the first MLME-reset has been received (i.e. during firmware
+ * initialisation), unless UNIFI_SDIO_CLOCK_SAFE_HZ applies.
+ */
+#define UNIFI_SDIO_CLOCK_INIT_HZ 12500000 /* Hz */
+
+/*
+ * Safe SDIO bus clock.
+ *
+ * The safe speed should be used when the chip is in deep sleep or
+ * it's state is unknown (just after reset / power on).
+ */
+#define UNIFI_SDIO_CLOCK_SAFE_HZ 1000000 /* Hz */
+
+/* I/O default block size to use for UniFi. */
+#define UNIFI_IO_BLOCK_SIZE 64
+
+#define UNIFI_WOL_OFF 0
+#define UNIFI_WOL_SDIO 1
+#define UNIFI_WOL_PIO 2
+
+/* The number of Tx traffic queues */
+#define UNIFI_NO_OF_TX_QS 4
+
+#define CSR_WIFI_HIP_RESERVED_HOST_TAG 0xFFFFFFFF
+
+/*
+ * The number of slots in the from-host queues.
+ *
+ * UNIFI_SOFT_TRAFFIC_Q_LENGTH is the number of slots in the traffic queues
+ * and there will be UNIFI_NO_OF_TX_QS of them.
+ * Traffic queues are used for data packets.
+ *
+ * UNIFI_SOFT_COMMAND_Q_LENGTH is the number of slots in the command queue.
+ * The command queue is used for MLME management requests.
+ *
+ * Queues are ring buffers and so must always have 1 unused slot.
+ */
+#define UNIFI_SOFT_TRAFFIC_Q_LENGTH (20 + 1)
+#define UNIFI_SOFT_COMMAND_Q_LENGTH (16 + 1)
+
+#include "csr_framework_ext.h" /* from the synergy porting folder */
+#include "csr_sdio.h" /* from the synergy porting folder */
+#include "csr_macro.h" /* from the synergy porting folder */
+#include "csr_formatted_io.h" /* from the synergy gsp folder */
+#include "csr_wifi_result.h"
+
+/* Utility MACROS. Note that UNIFI_MAC_ADDRESS_CMP returns TRUE on success */
+#define UNIFI_MAC_ADDRESS_COPY(dst, src) \
+ do { (dst)[0] = (src)[0]; (dst)[1] = (src)[1]; \
+ (dst)[2] = (src)[2]; (dst)[3] = (src)[3]; \
+ (dst)[4] = (src)[4]; (dst)[5] = (src)[5]; \
+ } while (0)
+
+#define UNIFI_MAC_ADDRESS_CMP(addr1, addr2) \
+ (((addr1)[0] == (addr2)[0]) && ((addr1)[1] == (addr2)[1]) && \
+ ((addr1)[2] == (addr2)[2]) && ((addr1)[3] == (addr2)[3]) && \
+ ((addr1)[4] == (addr2)[4]) && ((addr1)[5] == (addr2)[5]))
+
+/* Traffic queue ordered according to priority
+ * EAPOL/Uncontrolled port Queue should be the last
+ */
+typedef enum
+{
+ UNIFI_TRAFFIC_Q_BK = 0,
+ UNIFI_TRAFFIC_Q_BE,
+ UNIFI_TRAFFIC_Q_VI,
+ UNIFI_TRAFFIC_Q_VO,
+ UNIFI_TRAFFIC_Q_EAPOL, /* Non existant in HIP */
+ UNIFI_TRAFFIC_Q_MAX, /* Non existant */
+ UNIFI_TRAFFIC_Q_MLME /* Non existant */
+} unifi_TrafficQueue;
+
+/*
+ * Structure describing a bulk data slot.
+ * This structure is shared between the HIP core library and the OS
+ * layer. See the definition of unifi_net_data_malloc() for more details.
+ *
+ * The data_length field is used to indicate empty/occupied state.
+ * Needs to be defined before #include "unifi_os.h".
+ */
+typedef struct _bulk_data_desc
+{
+ const u8 *os_data_ptr;
+ u32 data_length;
+ const void *os_net_buf_ptr;
+ u32 net_buf_length;
+} bulk_data_desc_t;
+
+/* Structure of an entry in the Symbol Look Up Table (SLUT). */
+typedef struct _symbol
+{
+ u16 id;
+ u32 obj;
+} symbol_t;
+
+/*
+ * Header files need to be included from the current directory,
+ * the SME library, the synergy framework and the OS layer.
+ * A thin OS layer needs to be implemented in the porting exercise.
+ *
+ * Note that unifi_os.h should be included only in unifi.h
+ */
+
+#include "unifi_os.h"
+
+/*
+ * Contains the HIP core definitions selected in the porting exercise, such as
+ * UNIFI_PAD_BULK_DATA_TO_BLOCK_SIZE and UNIFI_PAD_SIGNALS_TO_BLOCK_SIZE.
+ * Implemented in the OS layer, as part of the porting exersice.
+ */
+#include "unifi_config.h"
+
+#include "csr_wifi_hip_signals.h" /* from this dir */
+
+/*
+ * The card structure is an opaque pointer that is used to pass context
+ * to the upper-edge API functions.
+ */
+typedef struct card card_t;
+
+
+/*
+ * This structure describes all of the bulk data that 'might' be
+ * associated with a signal.
+ */
+typedef struct _bulk_data_param
+{
+ bulk_data_desc_t d[UNIFI_MAX_DATA_REFERENCES];
+} bulk_data_param_t;
+
+
+/*
+ * This structure describes the chip and HIP core lib
+ * information that exposed to the OS layer.
+ */
+typedef struct _card_info
+{
+ u16 chip_id;
+ u16 chip_version;
+ u32 fw_build;
+ u16 fw_hip_version;
+ u32 sdio_block_size;
+} card_info_t;
+
+
+/*
+ * Mini-coredump definitions
+ */
+/* Definition of XAP memory ranges used by the mini-coredump system.
+ * Note that, these values are NOT the same as UNIFI_REGISTERS, etc
+ * in unifihw.h which don't allow selection of register areas for each XAP.
+ */
+typedef enum unifi_coredump_space
+{
+ UNIFI_COREDUMP_MAC_REG,
+ UNIFI_COREDUMP_PHY_REG,
+ UNIFI_COREDUMP_SH_DMEM,
+ UNIFI_COREDUMP_MAC_DMEM,
+ UNIFI_COREDUMP_PHY_DMEM,
+ UNIFI_COREDUMP_TRIGGER_MAGIC = 0xFEED
+} unifi_coredump_space_t;
+
+/* Structure used to request a register value from a mini-coredump buffer */
+typedef struct unifi_coredump_req
+{
+ /* From user */
+ s32 index; /* 0=newest, -1=oldest */
+ unifi_coredump_space_t space; /* memory space */
+ u32 offset; /* register offset in space */
+ /* From driver */
+ u32 drv_build; /* Driver build id */
+ u32 chip_ver; /* Chip version */
+ u32 fw_ver; /* Firmware version */
+ s32 requestor; /* Requestor: 0=auto dump, 1=manual */
+ CsrTime timestamp; /* time of capture by driver */
+ u32 serial; /* capture serial number */
+ s32 value; /* register value */
+} unifi_coredump_req_t; /* mini-coredumped reg value request */
+
+
+/**
+ * @defgroup upperedge Upper edge API
+ *
+ * The following functions are implemented in the HIP core lib.
+ */
+
+/**
+ *
+ * Initialise the HIP core lib.
+ * Note that the OS layer must initialise the SDIO glue layer and obtain
+ * an SDIO function context, prior to this call.
+ *
+ * @param sdiopriv the SDIO function context.
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @return \p card_t the HIP core lib API context.
+ *
+ * @ingroup upperedge
+ */
+card_t* unifi_alloc_card(CsrSdioFunction *sdiopriv, void *ospriv);
+
+
+/**
+ *
+ * Initialise the UniFi chip.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @param led_mask the led mask to apply to UniFi.
+ *
+ * @return \b 0 if UniFi is initialized.
+ *
+ * @return \b -CSR_EIO if an I/O error occured while initializing UniFi
+ *
+ * @return \b -CSR_ENODEV if the card is no longer present.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_init_card(card_t *card, s32 led_mask);
+
+/**
+ *
+ * De-Initialise the HIP core lib.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @ingroup upperedge
+ */
+void unifi_free_card(card_t *card);
+
+/**
+ *
+ * Cancel all the signals pending in the HIP core lib.
+ * Normally used during a system suspend when the power is retained on UniFi.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @ingroup upperedge
+ */
+void unifi_cancel_pending_signals(card_t *card);
+
+/**
+ *
+ * Send a signal to UniFi.
+ * Normally it is called from unifi_sys_hip_req() and the OS layer
+ * Tx data plane.
+ *
+ * Note that the bulkdata buffers ownership is passed to the HIP core lib.
+ * These buffers must be allocated using unifi_net_data_malloc().
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @param sigptr pointer to the signal.
+ *
+ * @param siglen size of the signal.
+ *
+ * @param bulkdata pointer to the bulk data associated with the signal.
+ *
+ * @return \b 0 signal is sent.
+ *
+ * @return \b -CSR_EIO if an error occured while sending the signal
+ *
+ * @return \b -CSR_ENODEV if the card is no longer present.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_send_signal(card_t *card, const u8 *sigptr,
+ u32 siglen,
+ const bulk_data_param_t *bulkdata);
+
+/**
+ *
+ * Check if the HIP core lib has resources to send a signal.
+ * Normally there no need to use this function.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @param sigptr pointer to the signal.
+ *
+ * @return \b 0 if there are resources for the signal.
+ *
+ * @return \b -CSR_ENOSPC if there are not enough resources
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_send_resources_available(card_t *card, const u8 *sigptr);
+
+/**
+ *
+ * Read the UniFi chip and the HIP core lib information.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @param card_info pointer to save the information.
+ *
+ * @ingroup upperedge
+ */
+void unifi_card_info(card_t *card, card_info_t *card_info);
+
+/**
+ *
+ * Print the UniFi I/O and Interrupt status.
+ * Normally it is used for debug purposes only.
+ *
+ * @param card the HIP core lib API context.
+
+ * @param status buffer for the chip status
+ *
+ * @return \b 0 if the check was performed.
+ *
+ * @return \b -CSR_EIO if an error occured while checking the status.
+ *
+ * @return \b -CSR_ENODEV if the card is no longer present.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_check_io_status(card_t *card, s32 *status);
+
+
+/**
+ *
+ * Run the HIP core lib Botton-Half.
+ * Whenever the HIP core lib want this function to be called
+ * by the OS layer, it calls unifi_run_bh().
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @param remaining pointer to return the time (in msecs) that this function
+ * should be re-scheduled. A return value of 0 means that no re-scheduling
+ * is required. If unifi_bh() is called before the timeout expires,
+ * the caller must pass in the remaining time.
+ *
+ * @return \b 0 if no error occured.
+ *
+ * @return \b -CSR_ENODEV if the card is no longer present.
+ *
+ * @return \b -CSR_E* if an error occured while running the bottom half.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_bh(card_t *card, u32 *remaining);
+
+
+/**
+ * UniFi Low Power Mode (Deep Sleep Signaling)
+ *
+ * unifi_low_power_mode defines the UniFi Deep Sleep Signaling status.
+ * Use with unifi_configure_low_power_mode() to enable/disable
+ * the Deep Sleep Signaling.
+ */
+enum unifi_low_power_mode
+{
+ UNIFI_LOW_POWER_DISABLED,
+ UNIFI_LOW_POWER_ENABLED
+};
+
+/**
+ * Periodic Wake Host Mode
+ *
+ * unifi_periodic_wake_mode defines the Periodic Wake Host Mode.
+ * It can only be set to UNIFI_PERIODIC_WAKE_HOST_ENABLED if
+ * low_power_mode == UNIFI_LOW_POWER_ENABLED.
+ */
+enum unifi_periodic_wake_mode
+{
+ UNIFI_PERIODIC_WAKE_HOST_DISABLED,
+ UNIFI_PERIODIC_WAKE_HOST_ENABLED
+};
+
+/**
+ *
+ * Run the HIP core lib Botton-Half.
+ * Whenever the HIP core lib want this function to be called
+ * by the OS layer, it calls unifi_run_bh().
+ *
+ * Typically, the SME is responsible for configuring these parameters,
+ * so unifi_sys_configure_power_mode_req() is usually implemented
+ * as a direct call to unifi_configure_low_power_mode().
+ *
+ * Note: When polling mode is used instead of interrupts,
+ * low_power_mode must never be set to UNIFI_LOW_POWER_ENABLED.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @param low_power_mode the Low Power Mode.
+ *
+ * @param periodic_wake_mode the Periodic Wake Mode.
+ *
+ * @return \b 0 if no error occured.
+ *
+ * @return \b -CSR_E* if the request failed.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_configure_low_power_mode(card_t *card,
+ enum unifi_low_power_mode low_power_mode,
+ enum unifi_periodic_wake_mode periodic_wake_mode);
+
+/**
+ *
+ * Forces the UniFi chip to enter a Deep Sleep state.
+ * This is normally called by the OS layer when the platform suspends.
+ *
+ * Note that if the UniFi Low Power Mode is disabled this call fails.
+ *
+ * @param card the HIP core lib API context.
+ *
+ * @return \b 0 if no error occured.
+ *
+ * @return \b -CSR_ENODEV if the card is no longer present.
+ *
+ * @return \b -CSR_E* if the request failed.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_force_low_power_mode(card_t *card);
+
+#ifndef CSR_WIFI_HIP_TA_DISABLE
+/**
+ * Configure the Traffic Analysis sampling
+ *
+ * Enable or disable statistics gathering.
+ * Enable or disable particular packet detection.
+ *
+ * @param card the HIP core context
+ * @param config_type the item to configure
+ * @param config pointer to struct containing config info
+ *
+ * @return \b 0 if configuration was successful
+ *
+ * @return \b -CSR_EINVAL if a parameter had an invalid value
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_ta_configure(card_t *card,
+ CsrWifiRouterCtrlTrafficConfigType config_type,
+ const CsrWifiRouterCtrlTrafficConfig *config);
+
+/**
+ * Pass a packet for Traffic Analysis sampling
+ *
+ * @param card the HIP core context
+ * @param direction the direction (Rx or Tx) of the frame.
+ * @param data pointer to bulkdata struct containing the packet
+ * @param saddr the source address of the packet
+ * @param sta_macaddr the MAC address of the UniFi chip
+ * @param timestamp the current time in msecs
+ *
+ * @ingroup upperedge
+ */
+void unifi_ta_sample(card_t *card,
+ CsrWifiRouterCtrlProtocolDirection direction,
+ const bulk_data_desc_t *data,
+ const u8 *saddr,
+ const u8 *sta_macaddr,
+ u32 timestamp,
+ u16 rate);
+
+/**
+ * Notify the HIP core lib for a detected Traffic Classification.
+ * Typically, the SME is responsible for configuring these parameters,
+ * so unifi_sys_traffic_classification_req() is usually implemented
+ * as a direct call to unifi_ta_classification().
+ *
+ * @param card the HIP core context.
+ * @param traffic_type the detected traffic type.
+ * @param period The detected period of the traffic.
+ *
+ * @ingroup upperedge
+ */
+void unifi_ta_classification(card_t *card,
+ CsrWifiRouterCtrlTrafficType traffic_type,
+ u16 period);
+
+#endif
+/**
+ * Use software to hard reset the chip.
+ * This is a subset of the unifi_init_card() functionality and should
+ * only be used only to reset a paniced chip before a coredump is taken.
+ *
+ * @param card the HIP core context.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_card_hard_reset(card_t *card);
+
+
+CsrResult unifi_card_readn(card_t *card, u32 unifi_addr, void *pdata, u16 len);
+CsrResult unifi_card_read16(card_t *card, u32 unifi_addr, u16 *pdata);
+CsrResult unifi_card_write16(card_t *card, u32 unifi_addr, u16 data);
+
+
+enum unifi_dbg_processors_select
+{
+ UNIFI_PROC_MAC,
+ UNIFI_PROC_PHY,
+ UNIFI_PROC_BT,
+ UNIFI_PROC_BOTH,
+ UNIFI_PROC_INVALID
+};
+
+CsrResult unifi_card_stop_processor(card_t *card, enum unifi_dbg_processors_select which);
+
+/**
+ * Call-outs from the HIP core lib to the OS layer.
+ * The following functions need to be implemented during the porting exercise.
+ */
+
+/**
+ * Selects appropriate queue according to priority
+ * Helps maintain uniformity in queue selection between the HIP
+ * and the OS layers.
+ *
+ * @param priority priority of the packet
+ *
+ * @return \b Traffic queue to which a packet of this priority belongs
+ *
+ * @ingroup upperedge
+ */
+unifi_TrafficQueue
+unifi_frame_priority_to_queue(CSR_PRIORITY priority);
+
+/**
+ * Returns the priority corresponding to a particular Queue when that is used
+ * when downgrading a packet to a lower AC.
+ * Helps maintain uniformity in queue - priority mapping between the HIP
+ * and the OS layers.
+ *
+ * @param queue
+ *
+ * @return \b Highest priority corresponding to this queue
+ *
+ * @ingroup upperedge
+ */
+CSR_PRIORITY unifi_get_default_downgrade_priority(unifi_TrafficQueue queue);
+
+/**
+ *
+ * Flow control callbacks.
+ * unifi_pause_xmit() is called when the HIP core lib does not have any
+ * resources to store data packets. The OS layer needs to pause
+ * the Tx data plane until unifi_restart_xmit() is called.
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @ingroup upperedge
+ */
+void unifi_pause_xmit(void *ospriv, unifi_TrafficQueue queue);
+void unifi_restart_xmit(void *ospriv, unifi_TrafficQueue queue);
+
+/**
+ *
+ * Request to run the Bottom-Half.
+ * The HIP core lib calls this function to request that unifi_bh()
+ * needs to be run by the OS layer. It can be called anytime, i.e.
+ * when the unifi_bh() is running.
+ * Since unifi_bh() is not re-entrant, usually unifi_run_bh() sets
+ * an event to a thread that schedules a call to unifi_bh().
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_run_bh(void *ospriv);
+
+/**
+ *
+ * Delivers a signal received from UniFi to the OS layer.
+ * Normally, the data signals should be delivered to the data plane
+ * and all the rest to the SME (unifi_sys_hip_ind()).
+ *
+ * Note that the OS layer is responsible for freeing the bulkdata
+ * buffers, using unifi_net_data_free().
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param sigptr pointer to the signal.
+ *
+ * @param siglen size of the signal.
+ *
+ * @param bulkdata pointer to the bulk data associated with the signal.
+ *
+ * @ingroup upperedge
+ */
+void unifi_receive_event(void *ospriv,
+ u8 *sigdata, u32 siglen,
+ const bulk_data_param_t *bulkdata);
+
+#ifdef CSR_WIFI_REQUEUE_PACKET_TO_HAL
+/**
+ *
+ * Used to reque the failed ma packet request back to hal queues
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param host_tag host tag for the packet to requeue.
+ *
+ * @param bulkDataDesc pointer to the bulk data.
+ *
+ * @ingroup upperedge
+ */
+CsrResult unifi_reque_ma_packet_request(void *ospriv, u32 host_tag,
+ u16 status,
+ bulk_data_desc_t *bulkDataDesc);
+
+#endif
+typedef struct
+{
+ u16 free_fh_sig_queue_slots[UNIFI_NO_OF_TX_QS];
+ u16 free_fh_bulkdata_slots;
+ u16 free_fh_fw_slots;
+} unifi_HipQosInfo;
+
+void unifi_get_hip_qos_info(card_t *card, unifi_HipQosInfo *hipqosinfo);
+
+
+/**
+ * Functions that read a portion of a firmware file.
+ *
+ * Note: If the UniFi chip runs the f/w from ROM, the HIP core may never
+ * call these functions. Also, the HIP core may call these functions even if
+ * a f/w file is not available. In this case, it is safe to fail the request.
+ */
+#define UNIFI_FW_STA 1 /* Identify STA firmware file */
+
+/**
+ *
+ * Ask the OS layer to initialise a read from a f/w file.
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param is_fw if 0 the request if for the loader file, if 1 the request
+ * is for a f/w file.
+ *
+ * @param info a card_info_t structure containing versions information.
+ * Note that some members of the structure may not be initialised.
+ *
+ * @return \p NULL if the file is not available, or a pointer which contains
+ * OS specific information for the file (typically the contents of the file)
+ * that the HIP core uses when calling unifi_fw_read() and unifi_fw_read_stop()
+ *
+ * @ingroup upperedge
+ */
+void* unifi_fw_read_start(void *ospriv, s8 is_fw, const card_info_t *info);
+
+/**
+ *
+ * Ask the OS layer to return a portion from a f/w file.
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param arg the OS pointer returned by unifi_fw_read_start().
+ *
+ * @param offset the offset in the f/w file to read the read from.
+ *
+ * @param buf the buffer to store the returned data.
+ *
+ * @param len the size in bytes of the requested read.
+ *
+ * @ingroup upperedge
+ */
+s32 unifi_fw_read(void *ospriv, void *arg, u32 offset, void *buf, u32 len);
+
+/**
+ *
+ * Ask the OS layer to finish reading from a f/w file.
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param dlpriv the OS pointer returned by unifi_fw_read_start().
+ *
+ * @ingroup upperedge
+ */
+void unifi_fw_read_stop(void *ospriv, void *dlpriv);
+
+/**
+ *
+ * Ask OS layer for a handle to a dynamically allocated firmware buffer
+ * (primarily intended for production test images which may need conversion)
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param fwbuf pointer to dynamically allocated buffer
+ *
+ * @param len length of provided buffer in bytes
+ *
+ * @ingroup upperedge
+ */
+void* unifi_fw_open_buffer(void *ospriv, void *fwbuf, u32 len);
+
+/**
+ *
+ * Release a handle to a dynamically allocated firmware buffer
+ * (primarily intended for production test images which may need conversion)
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param fwbuf pointer to dynamically allocated buffer
+ *
+ * @ingroup upperedge
+ */
+void unifi_fw_close_buffer(void *ospriv, void *fwbuf);
+
+#ifndef CSR_WIFI_HIP_TA_DISABLE
+/*
+ * Driver must provide these.
+ *
+ * A simple implementation will just call
+ * unifi_sys_traffic_protocol_ind() or unifi_sys_traffic_classification_ind()
+ * respectively. See sme_csr_userspace/sme_userspace.c.
+ */
+/**
+ *
+ * Indicates a detected packet of type packet_type.
+ * Typically, this information is processed by the SME so
+ * unifi_ta_indicate_protocol() needs to schedule a call to
+ * unifi_sys_traffic_protocol_ind().
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param packet_type the detected packet type.
+ *
+ * @param direction the direction of the packet (Rx, Tx).
+ *
+ * @param src_addr the source address of the packet.
+ *
+ * @ingroup upperedge
+ */
+void unifi_ta_indicate_protocol(void *ospriv,
+ CsrWifiRouterCtrlTrafficPacketType packet_type,
+ CsrWifiRouterCtrlProtocolDirection direction,
+ const CsrWifiMacAddress *src_addr);
+
+/**
+ *
+ * Indicates statistics for the sample data over a period.
+ * Typically, this information is processed by the SME so
+ * unifi_ta_indicate_sampling() needs to schedule a call to
+ * unifi_sys_traffic_sample_ind().
+ *
+ * @param ospriv the OS layer context.
+ *
+ * @param stats the pointer to the structure that contains the statistics.
+ *
+ * @ingroup upperedge
+ */
+void unifi_ta_indicate_sampling(void *ospriv, CsrWifiRouterCtrlTrafficStats *stats);
+void unifi_ta_indicate_l4stats(void *ospriv,
+ u32 rxTcpThroughput,
+ u32 txTcpThroughput,
+ u32 rxUdpThroughput,
+ u32 txUdpThroughput);
+#endif
+
+void unifi_rx_queue_flush(void *ospriv);
+
+/**
+ * Call-out from the SDIO glue layer.
+ *
+ * The glue layer needs to call unifi_sdio_interrupt_handler() every time
+ * an interrupts occurs.
+ *
+ * @param card the HIP core context.
+ *
+ * @ingroup bottomedge
+ */
+void unifi_sdio_interrupt_handler(card_t *card);
+
+
+/* HELPER FUNCTIONS */
+
+/*
+ * unifi_init() and unifi_download() implement a subset of unifi_init_card functionality
+ * that excludes HIP initialization.
+ */
+CsrResult unifi_init(card_t *card);
+CsrResult unifi_download(card_t *card, s32 led_mask);
+
+/*
+ * unifi_start_processors() ensures both on-chip processors are running
+ */
+CsrResult unifi_start_processors(card_t *card);
+
+CsrResult unifi_capture_panic(card_t *card);
+
+/*
+ * Configure HIP interrupt processing mode
+ */
+#define CSR_WIFI_INTMODE_DEFAULT 0
+#define CSR_WIFI_INTMODE_RUN_BH_ONCE 1 /* Run BH once per interrupt */
+
+void unifi_set_interrupt_mode(card_t *card, u32 mode);
+
+/*
+ * unifi_request_max_clock() requests that max SDIO clock speed is set at the
+ * next suitable opportunity.
+ */
+void unifi_request_max_sdio_clock(card_t *card);
+
+
+/* Functions to lookup bulk data command names. */
+const char* lookup_bulkcmd_name(u16 id);
+
+/* Function to log HIP's global debug buffer */
+#ifdef CSR_WIFI_HIP_DEBUG_OFFLINE
+void unifi_debug_buf_dump(void);
+void unifi_debug_log_to_buf(const char *fmt, ...);
+void unifi_debug_hex_to_buf(const char *buff, u16 length);
+#endif
+
+/* Mini-coredump utility functions */
+CsrResult unifi_coredump_get_value(card_t *card, struct unifi_coredump_req *req);
+CsrResult unifi_coredump_capture(card_t *card, struct unifi_coredump_req *req);
+CsrResult unifi_coredump_request_at_next_reset(card_t *card, s8 enable);
+CsrResult unifi_coredump_init(card_t *card, u16 num_dump_buffers);
+void unifi_coredump_free(card_t *card);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __CSR_WIFI_HIP_UNIFI_H__ */