1 /*
2 * Header file describing the internal (inter-module) DHD interfaces.
3 *
4 * Provides type definitions and function prototypes used to link the
5 * DHD OS, bus, and protocol modules.
6 *
7 * Copyright (C) 2020, Broadcom.
8 *
9 * Unless you and Broadcom execute a separate written software license
10 * agreement governing use of this software, this software is licensed to you
11 * under the terms of the GNU General Public License version 2 (the "GPL"),
12 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
13 * following added to such license:
14 *
15 * As a special exception, the copyright holders of this software give you
16 * permission to link this software with independent modules, and to copy and
17 * distribute the resulting executable under terms of your choice, provided that
18 * you also meet, for each linked independent module, the terms and conditions of
19 * the license of that module. An independent module is a module which is not
20 * derived from this software. The special exception does not apply to any
21 * modifications of the software.
22 *
23 *
24 * <<Broadcom-WL-IPTag/Open:>>
25 *
26 * $Id$
27 */
28
29 #ifndef _dhd_bus_h_
30 #define _dhd_bus_h_
31
32 extern int dbus_up(struct dhd_bus *pub);
33 extern int dbus_stop(struct dhd_bus *pub);
34 /*
35 * Exported from dhd bus module (dhd_usb, dhd_sdio)
36 */
37
38 /* global variable for the bus */
39 extern struct dhd_bus *g_dhd_bus;
40
41 /* Indicate (dis)interest in finding dongles. */
42 extern int dhd_bus_register(void);
43 extern void dhd_bus_unregister(void);
44
45 /* Download firmware image and nvram image */
46 extern int dhd_bus_download_firmware(struct dhd_bus *bus, osl_t *osh,
47 char *fw_path, char *nv_path, char *clm_path, char *conf_path);
48 #if defined(BT_OVER_SDIO)
49 extern int dhd_bus_download_btfw(struct dhd_bus *bus, osl_t *osh, char *btfw_path);
50 #endif /* defined (BT_OVER_SDIO) */
51
52 /* Stop bus module: clear pending frames, disable data flow */
53 extern void dhd_bus_stop(struct dhd_bus *bus, bool enforce_mutex);
54
55 /* Initialize bus module: prepare for communication w/dongle */
56 extern int dhd_bus_init(dhd_pub_t *dhdp, bool enforce_mutex);
57
58 /* Get the Bus Idle Time */
59 extern void dhd_bus_getidletime(dhd_pub_t *dhdp, int *idletime);
60
61 /* Set the Bus Idle Time */
62 extern void dhd_bus_setidletime(dhd_pub_t *dhdp, int idle_time);
63
64 /* Send a data frame to the dongle. Callee disposes of txp. */
65 #ifdef BCMPCIE
66 extern int dhd_bus_txdata(struct dhd_bus *bus, void *txp, uint8 ifidx);
67 #else
68 extern int dhd_bus_txdata(struct dhd_bus *bus, void *txp);
69 #endif
70
71 #ifdef BCMPCIE
72 extern uint16 dhd_prot_get_rxbufpost_sz(dhd_pub_t *dhd);
73 extern uint16 dhd_prot_get_h2d_rx_post_active(dhd_pub_t *dhd);
74 extern uint16 dhd_prot_get_d2h_rx_cpln_active(dhd_pub_t *dhd);
75 extern void dhdpcie_cto_recovery_handler(dhd_pub_t *dhd);
76 #endif /* BCMPCIE */
77
78 /* Send/receive a control message to/from the dongle.
79 * Expects caller to enforce a single outstanding transaction.
80 */
81 extern int dhd_bus_txctl(struct dhd_bus *bus, uchar *msg, uint msglen);
82 extern int dhd_bus_rxctl(struct dhd_bus *bus, uchar *msg, uint msglen);
83
84 /* Watchdog timer function */
85 extern bool dhd_bus_watchdog(dhd_pub_t *dhd);
86
87 extern int dhd_bus_oob_intr_register(dhd_pub_t *dhdp);
88 extern void dhd_bus_oob_intr_unregister(dhd_pub_t *dhdp);
89 extern void dhd_bus_oob_intr_set(dhd_pub_t *dhdp, bool enable);
90 extern int dhd_bus_get_oob_irq_num(dhd_pub_t *dhdp);
91 extern struct device * dhd_bus_to_dev(struct dhd_bus *bus);
92 extern void dhd_bus_dev_pm_stay_awake(dhd_pub_t *dhdpub);
93 extern void dhd_bus_dev_pm_relax(dhd_pub_t *dhdpub);
94 extern bool dhd_bus_dev_pm_enabled(dhd_pub_t *dhdpub);
95
96 /* Device console input function */
97 extern int dhd_bus_console_in(dhd_pub_t *dhd, uchar *msg, uint msglen);
98 #ifdef CONSOLE_DPC
99 extern int dhd_bus_txcons(dhd_pub_t *dhd, uchar *msg, uint msglen);
100 #endif
101
102 /* Deferred processing for the bus, return TRUE requests reschedule */
103 extern bool dhd_bus_dpc(struct dhd_bus *bus);
104 extern void dhd_bus_isr(bool * InterruptRecognized, bool * QueueMiniportHandleInterrupt, void *arg);
105
106 /* Check for and handle local prot-specific iovar commands */
107 extern int dhd_bus_iovar_op(dhd_pub_t *dhdp, const char *name,
108 void *params, uint plen, void *arg, uint len, bool set);
109
110 /* Add bus dump output to a buffer */
111 extern void dhd_bus_dump(dhd_pub_t *dhdp, struct bcmstrbuf *strbuf);
112
113 /* Clear any bus counters */
114 extern void dhd_bus_clearcounts(dhd_pub_t *dhdp);
115
116 /* return the dongle chipid */
117 extern uint dhd_bus_chip(struct dhd_bus *bus);
118
119 /* return the dongle chiprev */
120 extern uint dhd_bus_chiprev(struct dhd_bus *bus);
121
122 /* Set user-specified nvram parameters. */
123 extern void dhd_bus_set_nvram_params(struct dhd_bus * bus, const char *nvram_params);
124
125 extern void *dhd_bus_pub(struct dhd_bus *bus);
126 extern void *dhd_bus_txq(struct dhd_bus *bus);
127 extern void *dhd_bus_sih(struct dhd_bus *bus);
128 extern uint dhd_bus_hdrlen(struct dhd_bus *bus);
129 #ifdef BCMSDIO
130 extern void dhd_bus_set_dotxinrx(struct dhd_bus *bus, bool val);
131 /* return sdio io status */
132 extern uint8 dhd_bus_is_ioready(struct dhd_bus *bus);
133 #else
134 #define dhd_bus_set_dotxinrx(a, b) do {} while (0)
135 #endif
136
137 #define DHD_SET_BUS_STATE_DOWN(_bus) do { \
138 (_bus)->dhd->busstate = DHD_BUS_DOWN; \
139 } while (0)
140
141 /* Register a dummy SDIO client driver in order to be notified of new SDIO device */
142 extern int dhd_bus_reg_sdio_notify(void* semaphore);
143 extern void dhd_bus_unreg_sdio_notify(void);
144 extern void dhd_txglom_enable(dhd_pub_t *dhdp, bool enable);
145 extern int dhd_bus_get_ids(struct dhd_bus *bus, uint32 *bus_type, uint32 *bus_num,
146 uint32 *slot_num);
147
148 #if defined(DHD_FW_COREDUMP) && (defined(BCMPCIE) || defined(BCMSDIO))
149 extern int dhd_bus_mem_dump(dhd_pub_t *dhd);
150 extern int dhd_bus_get_mem_dump(dhd_pub_t *dhdp);
151 #else
152 #define dhd_bus_mem_dump(x)
153 #define dhd_bus_get_mem_dump(x)
154 #endif /* DHD_FW_COREDUMP && (BCMPCIE || BCMSDIO) */
155
156 #ifdef BCMPCIE
157 enum {
158 /* Scratch buffer confiuguration update */
159 D2H_DMA_SCRATCH_BUF,
160 D2H_DMA_SCRATCH_BUF_LEN,
161
162 /* DMA Indices array buffers for: H2D WR and RD, and D2H WR and RD */
163 H2D_DMA_INDX_WR_BUF, /* update H2D WR dma indices buf base addr to dongle */
164 H2D_DMA_INDX_RD_BUF, /* update H2D RD dma indices buf base addr to dongle */
165 D2H_DMA_INDX_WR_BUF, /* update D2H WR dma indices buf base addr to dongle */
166 D2H_DMA_INDX_RD_BUF, /* update D2H RD dma indices buf base addr to dongle */
167
168 /* DHD sets/gets WR or RD index, in host's H2D and D2H DMA indices buffer */
169 H2D_DMA_INDX_WR_UPD, /* update H2D WR index in H2D WR dma indices buf */
170 H2D_DMA_INDX_RD_UPD, /* update H2D RD index in H2D RD dma indices buf */
171 D2H_DMA_INDX_WR_UPD, /* update D2H WR index in D2H WR dma indices buf */
172 D2H_DMA_INDX_RD_UPD, /* update D2H RD index in D2H RD dma indices buf */
173
174 /* DHD Indices array buffers and update for: H2D flow ring WR */
175 H2D_IFRM_INDX_WR_BUF, /* update H2D WR dma indices buf base addr to dongle */
176 H2D_IFRM_INDX_WR_UPD, /* update H2D WR dma indices buf base addr to dongle */
177
178 /* H2D and D2H Mailbox data update */
179 H2D_MB_DATA,
180 D2H_MB_DATA,
181
182 /* (Common) MsgBuf Ring configuration update */
183 RING_BUF_ADDR, /* update ring base address to dongle */
184 RING_ITEM_LEN, /* update ring item size to dongle */
185 RING_MAX_ITEMS, /* update ring max items to dongle */
186
187 /* Update of WR or RD index, for a MsgBuf Ring */
188 RING_RD_UPD, /* update ring read index from/to dongle */
189 RING_WR_UPD, /* update ring write index from/to dongle */
190
191 TOTAL_LFRAG_PACKET_CNT,
192 MAX_HOST_RXBUFS,
193 HOST_API_VERSION,
194 #ifdef D2H_MINIDUMP
195 DNGL_TO_HOST_TRAP_ADDR_LEN,
196 #endif /* D2H_MINIDUMP */
197 DNGL_TO_HOST_TRAP_ADDR,
198 HOST_SCB_ADDR, /* update host scb base address to dongle */
199 };
200
201 typedef void (*dhd_mb_ring_t) (struct dhd_bus *, uint32);
202 typedef void (*dhd_mb_ring_2_t) (struct dhd_bus *, uint32, bool);
203 extern void dhd_bus_cmn_writeshared(struct dhd_bus *bus, void * data, uint32 len, uint8 type,
204 uint16 ringid);
205 extern void dhd_bus_ringbell(struct dhd_bus *bus, uint32 value);
206 extern void dhd_bus_ringbell_2(struct dhd_bus *bus, uint32 value, bool devwake);
207 extern void dhd_bus_cmn_readshared(struct dhd_bus *bus, void* data, uint8 type, uint16 ringid);
208 extern uint32 dhd_bus_get_sharedflags(struct dhd_bus *bus);
209 extern void dhd_bus_rx_frame(struct dhd_bus *bus, void* pkt, int ifidx, uint pkt_count);
210 extern void dhd_bus_start_queue(struct dhd_bus *bus);
211 extern void dhd_bus_stop_queue(struct dhd_bus *bus);
212 extern dhd_mb_ring_t dhd_bus_get_mbintr_fn(struct dhd_bus *bus);
213 extern dhd_mb_ring_2_t dhd_bus_get_mbintr_2_fn(struct dhd_bus *bus);
214 extern void dhd_bus_write_flow_ring_states(struct dhd_bus *bus,
215 void * data, uint16 flowid);
216 extern void dhd_bus_read_flow_ring_states(struct dhd_bus *bus,
217 void * data, uint8 flowid);
218 extern int dhd_bus_flow_ring_create_request(struct dhd_bus *bus, void *flow_ring_node);
219 extern void dhd_bus_clean_flow_ring(struct dhd_bus *bus, void *flow_ring_node);
220 extern void dhd_bus_flow_ring_create_response(struct dhd_bus *bus, uint16 flow_id, int32 status);
221 extern int dhd_bus_flow_ring_delete_request(struct dhd_bus *bus, void *flow_ring_node);
222 extern void dhd_bus_flow_ring_delete_response(struct dhd_bus *bus, uint16 flowid, uint32 status);
223 extern int dhd_bus_flow_ring_flush_request(struct dhd_bus *bus, void *flow_ring_node);
224 extern void dhd_bus_flow_ring_flush_response(struct dhd_bus *bus, uint16 flowid, uint32 status);
225 extern uint32 dhd_bus_max_h2d_queues(struct dhd_bus *bus);
226 extern int dhd_bus_schedule_queue(struct dhd_bus *bus, uint16 flow_id, bool txs);
227
228 #ifdef IDLE_TX_FLOW_MGMT
229 extern void dhd_bus_flow_ring_resume_response(struct dhd_bus *bus, uint16 flowid, int32 status);
230 #endif /* IDLE_TX_FLOW_MGMT */
231
232 #ifdef BCMDBG
233 extern void
234 dhd_bus_flow_ring_cnt_update(struct dhd_bus *bus, uint16 flowid, uint32 txstatus);
235 #endif
236
237 #if defined(LINUX) || defined(linux)
238 extern int dhdpcie_bus_start_host_dev(struct dhd_bus *bus);
239 extern int dhdpcie_bus_stop_host_dev(struct dhd_bus *bus);
240 extern int dhdpcie_bus_enable_device(struct dhd_bus *bus);
241 extern int dhdpcie_bus_disable_device(struct dhd_bus *bus);
242 extern int dhdpcie_bus_alloc_resource(struct dhd_bus *bus);
243 extern void dhdpcie_bus_free_resource(struct dhd_bus *bus);
244 extern bool dhdpcie_bus_dongle_attach(struct dhd_bus *bus);
245 extern int dhd_bus_release_dongle(struct dhd_bus *bus);
246 extern int dhd_bus_request_irq(struct dhd_bus *bus);
247 extern int dhdpcie_get_pcieirq(struct dhd_bus *bus, unsigned int *irq);
248 extern void dhd_bus_aer_config(struct dhd_bus *bus);
249 #else
dhd_bus_aer_config(struct dhd_bus * bus)250 static INLINE void dhd_bus_aer_config(struct dhd_bus *bus) { }
251 #endif /* LINUX || linux */
252
253 extern int dhdpcie_cto_init(struct dhd_bus *bus, bool enable);
254 extern int dhdpcie_cto_cfg_init(struct dhd_bus *bus, bool enable);
255
256 extern void dhdpcie_ssreset_dis_enum_rst(struct dhd_bus *bus);
257
258 #ifdef DHD_FW_COREDUMP
259 extern int dhd_dongle_mem_dump(void);
260 #endif /* DHD_FW_COREDUMP */
261
262 #ifdef IDLE_TX_FLOW_MGMT
263 extern void dhd_bus_idle_tx_ring_suspend(dhd_pub_t *dhd, uint16 flow_ring_id);
264 #endif /* IDLE_TX_FLOW_MGMT */
265 extern void dhd_bus_handle_mb_data(struct dhd_bus *bus, uint32 d2h_mb_data);
266 #endif /* BCMPCIE */
267
268 /* dump the device trap informtation */
269 extern void dhd_bus_dump_trap_info(struct dhd_bus *bus, struct bcmstrbuf *b);
270 extern void dhd_bus_copy_trap_sig(struct dhd_bus *bus, trap_t *tr);
271 #ifdef WL_CFGVENDOR_SEND_HANG_EVENT
272 extern void dhd_dump_pcie_rc_regs_for_linkdown(dhd_pub_t *dhd, int *bytes_written);
273 void copy_hang_info_linkdown(dhd_pub_t *dhd);
274 void copy_ext_trap_sig(dhd_pub_t *dhd, trap_t *tr);
275 void copy_hang_info_trap(dhd_pub_t *dhd);
276 #endif /* WL_CFGVENDOR_SEND_HANG_EVENT */
277
278 /* Function to set default min res mask */
279 extern bool dhd_bus_set_default_min_res_mask(struct dhd_bus *bus);
280
281 /* Function to reset PMU registers */
282 extern void dhd_bus_pmu_reg_reset(dhd_pub_t *dhdp);
283
284 extern void dhd_bus_ucode_download(struct dhd_bus *bus);
285
286 extern int dhd_bus_readwrite_bp_addr(dhd_pub_t *dhdp, uint addr, uint size, uint* data, bool read);
287 extern int dhd_get_idletime(dhd_pub_t *dhd);
288 extern bool dhd_get_rpm_state(dhd_pub_t *dhd);
289 extern void dhd_set_rpm_state(dhd_pub_t *dhd, bool state);
290 #ifdef BCMPCIE
291 extern void dhd_bus_dump_console_buffer(struct dhd_bus *bus);
292 extern void dhd_bus_intr_count_dump(dhd_pub_t *dhdp);
293 extern bool dhd_bus_query_dpc_sched_errors(dhd_pub_t *dhdp);
294 extern int dhd_bus_dmaxfer_lpbk(dhd_pub_t *dhdp, uint32 type);
295 extern bool dhd_bus_check_driver_up(void);
296 extern int dhd_bus_get_cto(dhd_pub_t *dhdp);
297 extern void dhd_bus_set_linkdown(dhd_pub_t *dhdp, bool val);
298 extern int dhd_bus_get_linkdown(dhd_pub_t *dhdp);
299 #ifdef CONFIG_ARCH_MSM
300 extern void dhd_bus_inform_ep_loaded_to_rc(dhd_pub_t *dhdp, bool up);
301 #endif /* CONFIG_ARCH_MSM */
302 extern int dhd_bus_checkdied(struct dhd_bus *bus, char *data, uint size);
303 #else
304 #define dhd_bus_dump_console_buffer(x)
dhd_bus_intr_count_dump(dhd_pub_t * dhdp)305 static INLINE void dhd_bus_intr_count_dump(dhd_pub_t *dhdp) { UNUSED_PARAMETER(dhdp); }
dhd_bus_query_dpc_sched_errors(dhd_pub_t * dhdp)306 static INLINE bool dhd_bus_query_dpc_sched_errors(dhd_pub_t *dhdp) { return 0; }
dhd_bus_dmaxfer_lpbk(dhd_pub_t * dhdp,uint32 type)307 static INLINE int dhd_bus_dmaxfer_lpbk(dhd_pub_t *dhdp, uint32 type) { return 0; }
dhd_bus_check_driver_up(void)308 static INLINE bool dhd_bus_check_driver_up(void) { return FALSE; }
dhd_bus_set_linkdown(dhd_pub_t * dhdp,bool val)309 static INLINE void dhd_bus_set_linkdown(dhd_pub_t *dhdp, bool val) { }
dhd_bus_get_linkdown(dhd_pub_t * dhdp)310 static INLINE int dhd_bus_get_linkdown(dhd_pub_t *dhdp) { return 0; }
dhd_bus_get_cto(dhd_pub_t * dhdp)311 static INLINE int dhd_bus_get_cto(dhd_pub_t *dhdp) { return 0; }
dhd_bus_checkdied(struct dhd_bus * bus,char * data,uint size)312 static INLINE int dhd_bus_checkdied(struct dhd_bus *bus, char *data, uint size) { return 0; }
313 #endif /* BCMPCIE */
314
315 #if defined(BCMPCIE) && defined(EWP_ETD_PRSRV_LOGS)
316 void dhdpcie_get_etd_preserve_logs(dhd_pub_t *dhd, uint8 *ext_trap_data,
317 void *event_decode_data);
318 #endif
319
320 extern uint16 dhd_get_chipid(struct dhd_bus *bus);
321
322 #ifdef BTLOG
323 extern void dhd_bus_rx_bt_log(struct dhd_bus *bus, void* pkt);
324 #endif /* BTLOG */
325
326 #ifdef DHD_WAKE_STATUS
327 extern wake_counts_t* dhd_bus_get_wakecount(dhd_pub_t *dhd);
328 extern int dhd_bus_get_bus_wake(dhd_pub_t * dhd);
329 #endif /* DHD_WAKE_STATUS */
330
331 #ifdef BT_OVER_SDIO
332 /*
333 * SDIO layer clock control functions exposed to be called from other layers.
334 * This is required especially in the case where the BUS is shared between
335 * BT and SDIO and we have to control the clock. The callers of this function
336 * are expected to hold the sdlock
337 */
338 int __dhdsdio_clk_enable(struct dhd_bus *bus, bus_owner_t owner, int can_wait);
339 int __dhdsdio_clk_disable(struct dhd_bus *bus, bus_owner_t owner, int can_wait);
340 void dhdsdio_reset_bt_use_count(struct dhd_bus *bus);
341 #endif /* BT_OVER_SDIO */
342
343 int dhd_bus_perform_flr(struct dhd_bus *bus, bool force_fail);
344 extern bool dhd_bus_get_flr_force_fail(struct dhd_bus *bus);
345
346 extern bool dhd_bus_aspm_enable_rc_ep(struct dhd_bus *bus, bool enable);
347 extern void dhd_bus_l1ss_enable_rc_ep(struct dhd_bus *bus, bool enable);
348
349 bool dhd_bus_is_multibp_capable(struct dhd_bus *bus);
350
351 #ifdef BT_OVER_PCIE
352 int dhd_bus_pwr_off(dhd_pub_t *dhdp, int reason);
353 int dhd_bus_pwr_on(dhd_pub_t *dhdp, int reason);
354 int dhd_bus_pwr_toggle(dhd_pub_t *dhdp, int reason);
355 bool dhdpcie_is_btop_chip(struct dhd_bus *bus);
356 bool dhdpcie_is_bt_loaded(struct dhd_bus *bus);
357 int dhdpcie_redownload_fw(dhd_pub_t *dhdp);
358 extern void dhd_bus_pcie_pwr_req_reload_war(struct dhd_bus *bus);
359 int dhd_bus_perform_flr_with_quiesce(dhd_pub_t *dhdp, struct dhd_bus *bus,
360 bool init_deinit_path);
361 #endif /* BT_OVER_PCIE */
362
363 #ifdef BCMPCIE
364 extern void dhdpcie_advertise_bus_cleanup(dhd_pub_t *dhdp);
365 extern void dhd_msgbuf_iovar_timeout_dump(dhd_pub_t *dhd);
366 extern void dhdpcie_induce_cbp_hang(dhd_pub_t *dhd);
367 #endif /* BCMPCIE */
368
369 extern bool dhd_bus_force_bt_quiesce_enabled(struct dhd_bus *bus);
370 extern void dhd_bwm_bt_quiesce(struct dhd_bus *bus);
371 extern void dhd_bwm_bt_resume(struct dhd_bus *bus);
372
373 #ifdef DHD_SSSR_DUMP
374 extern int dhd_bus_fis_trigger(dhd_pub_t *dhd);
375 extern int dhd_bus_fis_dump(dhd_pub_t *dhd);
376 #endif /* DHD_SSSR_DUMP */
377
378 #ifdef PCIE_FULL_DONGLE
379 extern int dhdpcie_set_dma_ring_indices(dhd_pub_t *dhd, int32 int_val);
380 #endif /* PCIE_FULL_DONGLE */
381
382 #ifdef D2H_MINIDUMP
383 #ifndef DHD_FW_COREDUMP
384 /* Minidump depends on DHD_FW_COREDUMP to dump minidup
385 * This dependency is intentional to avoid multiple work queue
386 * to dump the SOCRAM, minidum ..etc.
387 */
388 #error "Minidump doesnot work as DHD_FW_COREDUMP is not defined"
389 #endif /* DHD_FW_COREDUMP */
390 #ifdef BCM_BUZZZ
391 /*
392 * In pciedev_shared_t buzz_dbg_ptr and device_trap_debug_buffer_len
393 * are overloaded. So when BCM_BUZZZ is defined MINIDUMP should not be defined or
394 * vice versa.
395 */
396 #error "Minidump doesnot work as BCM_BUZZZ is defined"
397 #endif /* BCM_BUZZZ */
398 extern bool dhd_bus_is_minidump_enabled(dhd_pub_t *dhdp);
399 dhd_dma_buf_t* dhd_prot_get_minidump_buf(dhd_pub_t *dhd);
400 #endif /* D2H_MINIDUMP */
401
402 #ifdef DHD_CFG80211_SUSPEND_RESUME
403 extern void dhd_cfg80211_suspend(dhd_pub_t *dhdp);
404 extern void dhd_cfg80211_resume(dhd_pub_t *dhdp);
405 #endif /* DHD_CFG80211_SUSPEND_RESUME */
406
407 #ifdef DHD_SDTC_ETB_DUMP
408 extern int dhd_bus_get_etb_info(dhd_pub_t *dhd, uint32 etb_info_addr, etb_info_t *etb_info);
409 extern int dhd_bus_get_sdtc_etb(dhd_pub_t *dhd, uint8 *sdtc_etb_mempool,
410 uint addr, uint read_bytes);
411 #endif /* DHD_SDTC_ETB_DUMP */
412
413 extern int dhd_socram_dump(struct dhd_bus *bus);
414
415 extern int dhdpcie_get_max_eventbufpost(struct dhd_bus *bus);
416
417 #ifdef DHD_FLOW_RING_STATUS_TRACE
418 extern void dhd_bus_flow_ring_status_isr_trace(dhd_pub_t *dhd);
419 extern void dhd_bus_flow_ring_status_dpc_trace(dhd_pub_t *dhd);
420 #endif /* DHD_FLOW_RING_STATUS_TRACE */
421 #endif /* _dhd_bus_h_ */
422