193 lines
7.7 KiB
C
193 lines
7.7 KiB
C
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/*
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* Header file describing the internal (inter-module) DHD interfaces.
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*
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* Provides type definitions and function prototypes used to link the
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* DHD OS, bus, and protocol modules.
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*
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* Copyright (C) 1999-2015, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: dhd_bus.h 513049 2014-11-05 09:36:42Z $
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*/
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#ifndef _dhd_bus_h_
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#define _dhd_bus_h_
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/*
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* Exported from dhd bus module (dhd_usb, dhd_sdio)
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*/
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/* Indicate (dis)interest in finding dongles. */
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extern int dhd_bus_register(void);
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extern void dhd_bus_unregister(void);
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/* Download firmware image and nvram image */
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extern int dhd_bus_download_firmware(struct dhd_bus *bus, osl_t *osh, char *fw_path, char *nv_path);
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/* Stop bus module: clear pending frames, disable data flow */
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extern void dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex);
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/* Initialize bus module: prepare for communication w/dongle */
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extern int dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex);
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/* Get the Bus Idle Time */
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extern void dhd_bus_getidletime(dhd_pub_t *dhdp, int *idletime);
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/* Set the Bus Idle Time */
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extern void dhd_bus_setidletime(dhd_pub_t *dhdp, int idle_time);
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/* Send a data frame to the dongle. Callee disposes of txp. */
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#ifdef BCMPCIE
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extern int dhd_bus_txdata(struct dhd_bus *bus, void *txp, uint8 ifidx);
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#else
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extern int dhd_bus_txdata(struct dhd_bus *bus, void *txp);
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#endif
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/* Send/receive a control message to/from the dongle.
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* Expects caller to enforce a single outstanding transaction.
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*/
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extern int dhd_bus_txctl(struct dhd_bus *bus, uchar *msg, uint msglen);
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extern int dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen);
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/* Watchdog timer function */
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extern bool dhd_bus_watchdog(dhd_pub_t *dhd);
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extern int dhd_bus_oob_intr_register(dhd_pub_t *dhdp);
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extern void dhd_bus_oob_intr_unregister(dhd_pub_t *dhdp);
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extern void dhd_bus_oob_intr_set(dhd_pub_t *dhdp, bool enable);
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extern void dhd_bus_dev_pm_stay_awake(dhd_pub_t *dhdpub);
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extern void dhd_bus_dev_pm_relax(dhd_pub_t *dhdpub);
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extern bool dhd_bus_dev_pm_enabled(dhd_pub_t *dhdpub);
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#if defined(DHD_DEBUG)
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/* Device console input function */
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extern int dhd_bus_console_in(dhd_pub_t *dhd, uchar *msg, uint msglen);
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extern int dhd_bus_mem_dump(dhd_pub_t *dhd);
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#endif /* defined(DHD_DEBUG) */
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/* Deferred processing for the bus, return TRUE requests reschedule */
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extern bool dhd_bus_dpc(struct dhd_bus *bus);
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extern void dhd_bus_isr(bool * InterruptRecognized, bool * QueueMiniportHandleInterrupt, void *arg);
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/* Check for and handle local prot-specific iovar commands */
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extern int dhd_bus_iovar_op(dhd_pub_t *dhdp, const char *name,
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void *params, int plen, void *arg, int len, bool set);
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/* Add bus dump output to a buffer */
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extern void dhd_bus_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf);
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/* Clear any bus counters */
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extern void dhd_bus_clearcounts(dhd_pub_t *dhdp);
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/* return the dongle chipid */
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extern uint dhd_bus_chip(struct dhd_bus *bus);
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/* return the dongle chiprev */
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extern uint dhd_bus_chiprev(struct dhd_bus *bus);
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/* Set user-specified nvram parameters. */
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extern void dhd_bus_set_nvram_params(struct dhd_bus * bus, const char *nvram_params);
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extern void *dhd_bus_pub(struct dhd_bus *bus);
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extern void *dhd_bus_txq(struct dhd_bus *bus);
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extern void *dhd_bus_sih(struct dhd_bus *bus);
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extern uint dhd_bus_hdrlen(struct dhd_bus *bus);
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#ifdef BCMSDIO
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extern void dhd_bus_set_dotxinrx(struct dhd_bus *bus, bool val);
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#else
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#define dhd_bus_set_dotxinrx(a, b) do {} while (0)
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#endif
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#define DHD_SET_BUS_STATE_DOWN(_bus) do { \
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(_bus)->dhd->busstate = DHD_BUS_DOWN; \
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} while (0)
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/* Register a dummy SDIO client driver in order to be notified of new SDIO device */
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extern int dhd_bus_reg_sdio_notify(void* semaphore);
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extern void dhd_bus_unreg_sdio_notify(void);
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extern void dhd_txglom_enable(dhd_pub_t *dhdp, bool enable);
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extern int dhd_bus_get_ids(struct dhd_bus *bus, uint32 *bus_type, uint32 *bus_num,
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uint32 *slot_num);
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#ifdef BCMPCIE
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enum {
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DNGL_TO_HOST_BUF_IOCT,
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DNGL_TO_HOST_DMA_SCRATCH_BUFFER,
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DNGL_TO_HOST_DMA_SCRATCH_BUFFER_LEN,
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HOST_TO_DNGL_DMA_WRITEINDX_BUFFER,
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HOST_TO_DNGL_DMA_READINDX_BUFFER,
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DNGL_TO_HOST_DMA_WRITEINDX_BUFFER,
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DNGL_TO_HOST_DMA_READINDX_BUFFER,
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TOTAL_LFRAG_PACKET_CNT,
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HTOD_MB_DATA,
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DTOH_MB_DATA,
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RING_BUF_ADDR,
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H2D_DMA_WRITEINDX,
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H2D_DMA_READINDX,
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D2H_DMA_WRITEINDX,
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D2H_DMA_READINDX,
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RING_READ_PTR,
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RING_WRITE_PTR,
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RING_LEN_ITEMS,
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RING_MAX_ITEM,
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MAX_HOST_RXBUFS
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};
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typedef void (*dhd_mb_ring_t) (struct dhd_bus *, uint32);
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extern void dhd_bus_cmn_writeshared(struct dhd_bus *bus, void * data, uint32 len, uint8 type,
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uint16 ringid);
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extern void dhd_bus_ringbell(struct dhd_bus *bus, uint32 value);
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extern void dhd_bus_cmn_readshared(struct dhd_bus *bus, void* data, uint8 type, uint16 ringid);
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extern uint32 dhd_bus_get_sharedflags(struct dhd_bus *bus);
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extern void dhd_bus_rx_frame(struct dhd_bus *bus, void* pkt, int ifidx, uint pkt_count);
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extern void dhd_bus_start_queue(struct dhd_bus *bus);
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extern void dhd_bus_stop_queue(struct dhd_bus *bus);
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extern void dhd_bus_update_retlen(struct dhd_bus *bus, uint32 retlen, uint32 cmd_id, uint16 status,
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uint32 resp_len);
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extern dhd_mb_ring_t dhd_bus_get_mbintr_fn(struct dhd_bus *bus);
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extern void dhd_bus_write_flow_ring_states(struct dhd_bus *bus,
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void * data, uint16 flowid);
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extern void dhd_bus_read_flow_ring_states(struct dhd_bus *bus,
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void * data, uint8 flowid);
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extern int dhd_bus_flow_ring_create_request(struct dhd_bus *bus, void *flow_ring_node);
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extern void dhd_bus_clean_flow_ring(struct dhd_bus *bus, void *flow_ring_node);
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extern void dhd_bus_flow_ring_create_response(struct dhd_bus *bus, uint16 flow_id, int32 status);
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extern int dhd_bus_flow_ring_delete_request(struct dhd_bus *bus, void *flow_ring_node);
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extern void dhd_bus_flow_ring_delete_response(struct dhd_bus *bus, uint16 flowid, uint32 status);
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extern int dhd_bus_flow_ring_flush_request(struct dhd_bus *bus, void *flow_ring_node);
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extern void dhd_bus_flow_ring_flush_response(struct dhd_bus *bus, uint16 flowid, uint32 status);
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extern uint8 dhd_bus_is_txmode_push(struct dhd_bus *bus);
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extern uint32 dhd_bus_max_h2d_queues(struct dhd_bus *bus, uint8 *txpush);
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extern int dhd_bus_schedule_queue(struct dhd_bus *bus, uint16 flow_id, bool txs);
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extern int dhdpcie_bus_clock_start(struct dhd_bus *bus);
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extern int dhdpcie_bus_clock_stop(struct dhd_bus *bus);
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extern int dhdpcie_bus_enable_device(struct dhd_bus *bus);
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extern int dhdpcie_bus_disable_device(struct dhd_bus *bus);
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extern int dhdpcie_bus_alloc_resource(struct dhd_bus *bus);
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extern void dhdpcie_bus_free_resource(struct dhd_bus *bus);
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extern bool dhdpcie_bus_dongle_attach(struct dhd_bus *bus);
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extern int dhd_bus_release_dongle(struct dhd_bus *bus);
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extern int dhd_bus_request_irq(struct dhd_bus *bus);
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#endif /* BCMPCIE */
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#endif /* _dhd_bus_h_ */
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