xref: /wlan-dirver/qca-wifi-host-cmn/hif/src/hif_main.h (revision 901120c066e139c7f8a2c8e4820561fdd83c67ef)
1 /*
2  * Copyright (c) 2013-2021 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 /*
21  * NB: Inappropriate references to "HTC" are used in this (and other)
22  * HIF implementations.  HTC is typically the calling layer, but it
23  * theoretically could be some alternative.
24  */
25 
26 /*
27  * This holds all state needed to process a pending send/recv interrupt.
28  * The information is saved here as soon as the interrupt occurs (thus
29  * allowing the underlying CE to re-use the ring descriptor). The
30  * information here is eventually processed by a completion processing
31  * thread.
32  */
33 
34 #ifndef __HIF_MAIN_H__
35 #define __HIF_MAIN_H__
36 
37 #include <qdf_atomic.h>         /* qdf_atomic_read */
38 #include "qdf_lock.h"
39 #include "cepci.h"
40 #include "hif.h"
41 #include "multibus.h"
42 #include "hif_unit_test_suspend_i.h"
43 #ifdef HIF_CE_LOG_INFO
44 #include "qdf_notifier.h"
45 #endif
46 
47 #define HIF_MIN_SLEEP_INACTIVITY_TIME_MS     50
48 #define HIF_SLEEP_INACTIVITY_TIMER_PERIOD_MS 60
49 
50 #define HIF_MAX_BUDGET 0xFFFF
51 
52 #define HIF_STATS_INC(_handle, _field, _delta) \
53 { \
54 	(_handle)->stats._field += _delta; \
55 }
56 
57 /*
58  * This macro implementation is exposed for efficiency only.
59  * The implementation may change and callers should
60  * consider the targid to be a completely opaque handle.
61  */
62 #define TARGID_TO_PCI_ADDR(targid) (*((A_target_id_t *)(targid)))
63 
64 #ifdef QCA_WIFI_3_0
65 #define DISABLE_L1SS_STATES 1
66 #endif
67 
68 #define MAX_NUM_OF_RECEIVES HIF_NAPI_MAX_RECEIVES
69 
70 #ifdef QCA_WIFI_3_0_ADRASTEA
71 #define ADRASTEA_BU 1
72 #else
73 #define ADRASTEA_BU 0
74 #endif
75 
76 #ifdef QCA_WIFI_3_0
77 #define HAS_FW_INDICATOR 0
78 #else
79 #define HAS_FW_INDICATOR 1
80 #endif
81 
82 
83 #define AR9888_DEVICE_ID (0x003c)
84 #define AR6320_DEVICE_ID (0x003e)
85 #define AR6320_FW_1_1  (0x11)
86 #define AR6320_FW_1_3  (0x13)
87 #define AR6320_FW_2_0  (0x20)
88 #define AR6320_FW_3_0  (0x30)
89 #define AR6320_FW_3_2  (0x32)
90 #define QCA6290_EMULATION_DEVICE_ID (0xabcd)
91 #define QCA6290_DEVICE_ID (0x1100)
92 #define QCN9000_DEVICE_ID (0x1104)
93 #define QCN9224_DEVICE_ID (0x1109)
94 #define QCN6122_DEVICE_ID (0xFFFB)
95 #define QCN9160_DEVICE_ID (0xFFF8)
96 #define QCA6390_EMULATION_DEVICE_ID (0x0108)
97 #define QCA6390_DEVICE_ID (0x1101)
98 /* TODO: change IDs for HastingsPrime */
99 #define QCA6490_EMULATION_DEVICE_ID (0x010a)
100 #define QCA6490_DEVICE_ID (0x1103)
101 #define MANGO_DEVICE_ID (0x110a)
102 
103 /* TODO: change IDs for Moselle */
104 #define QCA6750_EMULATION_DEVICE_ID (0x010c)
105 #define QCA6750_DEVICE_ID (0x1105)
106 
107 /* TODO: change IDs for Hamilton */
108 #define KIWI_DEVICE_ID (0x1107)
109 
110 #define ADRASTEA_DEVICE_ID_P2_E12 (0x7021)
111 #define AR9887_DEVICE_ID    (0x0050)
112 #define AR900B_DEVICE_ID    (0x0040)
113 #define QCA9984_DEVICE_ID   (0x0046)
114 #define QCA9888_DEVICE_ID   (0x0056)
115 #define QCA8074_DEVICE_ID   (0xffff) /* Todo: replace this with
116 					actual number once available.
117 					currently defining this to 0xffff for
118 					emulation purpose */
119 #define QCA8074V2_DEVICE_ID (0xfffe) /* Todo: replace this with actual number */
120 #define QCA6018_DEVICE_ID (0xfffd) /* Todo: replace this with actual number */
121 #define QCA5018_DEVICE_ID (0xfffc) /* Todo: replace this with actual number */
122 #define QCA9574_DEVICE_ID (0xfffa)
123 #define QCA5332_DEVICE_ID (0xfff9)
124 /* Genoa */
125 #define QCN7605_DEVICE_ID  (0x1102) /* Genoa PCIe device ID*/
126 #define QCN7605_COMPOSITE  (0x9901)
127 #define QCN7605_STANDALONE  (0x9900)
128 #define QCN7605_STANDALONE_V2  (0x9902)
129 #define QCN7605_COMPOSITE_V2  (0x9903)
130 
131 #define RUMIM2M_DEVICE_ID_NODE0	0xabc0
132 #define RUMIM2M_DEVICE_ID_NODE1	0xabc1
133 #define RUMIM2M_DEVICE_ID_NODE2	0xabc2
134 #define RUMIM2M_DEVICE_ID_NODE3	0xabc3
135 #define RUMIM2M_DEVICE_ID_NODE4	0xaa10
136 #define RUMIM2M_DEVICE_ID_NODE5	0xaa11
137 
138 #define HIF_GET_PCI_SOFTC(scn) ((struct hif_pci_softc *)scn)
139 #define HIF_GET_IPCI_SOFTC(scn) ((struct hif_ipci_softc *)scn)
140 #define HIF_GET_CE_STATE(scn) ((struct HIF_CE_state *)scn)
141 #define HIF_GET_SDIO_SOFTC(scn) ((struct hif_sdio_softc *)scn)
142 #define HIF_GET_USB_SOFTC(scn) ((struct hif_usb_softc *)scn)
143 #define HIF_GET_USB_DEVICE(scn) ((struct HIF_DEVICE_USB *)scn)
144 #define HIF_GET_SOFTC(scn) ((struct hif_softc *)scn)
145 #define GET_HIF_OPAQUE_HDL(scn) ((struct hif_opaque_softc *)scn)
146 
147 #ifdef QCA_WIFI_QCN9224
148 #define NUM_CE_AVAILABLE 16
149 #else
150 #define NUM_CE_AVAILABLE 12
151 #endif
152 /* Add 1 here to store default configuration in index 0 */
153 #define NUM_CE_CONTEXT (NUM_CE_AVAILABLE + 1)
154 
155 #define CE_INTERRUPT_IDX(x) x
156 
157 struct ce_int_assignment {
158 	uint8_t msi_idx[NUM_CE_AVAILABLE];
159 };
160 
161 struct hif_ce_stats {
162 	int hif_pipe_no_resrc_count;
163 	int ce_ring_delta_fail_count;
164 };
165 
166 #ifdef HIF_DETECTION_LATENCY_ENABLE
167 struct hif_latency_detect {
168 	qdf_timer_t detect_latency_timer;
169 	uint32_t detect_latency_timer_timeout;
170 	bool is_timer_started;
171 	bool enable_detection;
172 	/* threshold when stall happens */
173 	uint32_t detect_latency_threshold;
174 	int ce2_tasklet_sched_cpuid;
175 	qdf_time_t ce2_tasklet_sched_time;
176 	qdf_time_t ce2_tasklet_exec_time;
177 	qdf_time_t credit_request_time;
178 	qdf_time_t credit_report_time;
179 };
180 #endif
181 
182 /*
183  * Note: For MCL, #if defined (HIF_CONFIG_SLUB_DEBUG_ON) needs to be checked
184  * for defined here
185  */
186 #if defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF)
187 
188 #define HIF_CE_MAX_LATEST_HIST 2
189 
190 struct latest_evt_history {
191 	uint64_t irq_entry_ts;
192 	uint64_t bh_entry_ts;
193 	uint64_t bh_resched_ts;
194 	uint64_t bh_exit_ts;
195 	uint64_t bh_work_ts;
196 	int cpu_id;
197 	uint32_t ring_hp;
198 	uint32_t ring_tp;
199 };
200 
201 struct ce_desc_hist {
202 	qdf_atomic_t history_index[CE_COUNT_MAX];
203 	uint8_t ce_id_hist_map[CE_COUNT_MAX];
204 	bool enable[CE_COUNT_MAX];
205 	bool data_enable[CE_COUNT_MAX];
206 	qdf_mutex_t ce_dbg_datamem_lock[CE_COUNT_MAX];
207 	uint32_t hist_index;
208 	uint32_t hist_id;
209 	void *hist_ev[CE_COUNT_MAX];
210 	struct latest_evt_history latest_evt[HIF_CE_MAX_LATEST_HIST];
211 };
212 
213 void hif_record_latest_evt(struct ce_desc_hist *ce_hist,
214 			   uint8_t type,
215 			   int ce_id, uint64_t time,
216 			   uint32_t hp, uint32_t tp);
217 #endif /*defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF)*/
218 
219 /**
220  * struct hif_cfg() - store ini config parameters in hif layer
221  * @ce_status_ring_timer_threshold: ce status ring timer threshold
222  * @ce_status_ring_batch_count_threshold: ce status ring batch count threshold
223  */
224 struct hif_cfg {
225 	uint16_t ce_status_ring_timer_threshold;
226 	uint8_t ce_status_ring_batch_count_threshold;
227 };
228 
229 #ifdef DP_UMAC_HW_RESET_SUPPORT
230 /**
231  * struct hif_umac_reset_ctx - UMAC HW reset context at HIF layer
232  * @intr_tq: Tasklet structure
233  * @cb_handler: Callback handler
234  * @cb_ctx: Argument to be passed to @cb_handler
235  * @os_irq: Interrupt number for this IRQ
236  * @irq_configured: Whether the IRQ has been configured
237  */
238 struct hif_umac_reset_ctx {
239 	struct tasklet_struct intr_tq;
240 	int (*cb_handler)(void *cb_ctx);
241 	void *cb_ctx;
242 	uint32_t os_irq;
243 	bool irq_configured;
244 };
245 #endif
246 
247 struct hif_softc {
248 	struct hif_opaque_softc osc;
249 	struct hif_config_info hif_config;
250 	struct hif_target_info target_info;
251 	void __iomem *mem;
252 	void __iomem *mem_ce;
253 	void __iomem *mem_cmem;
254 	enum qdf_bus_type bus_type;
255 	struct hif_bus_ops bus_ops;
256 	void *ce_id_to_state[CE_COUNT_MAX];
257 	qdf_device_t qdf_dev;
258 	bool hif_init_done;
259 	bool request_irq_done;
260 	bool ext_grp_irq_configured;
261 	bool free_irq_done;
262 	uint8_t ce_latency_stats;
263 	/* Packet statistics */
264 	struct hif_ce_stats pkt_stats;
265 	enum hif_target_status target_status;
266 	uint64_t event_enable_mask;
267 
268 	struct targetdef_s *targetdef;
269 	struct ce_reg_def *target_ce_def;
270 	struct hostdef_s *hostdef;
271 	struct host_shadow_regs_s *host_shadow_regs;
272 
273 	bool recovery;
274 	bool notice_send;
275 	bool per_ce_irq;
276 	uint32_t ce_irq_summary;
277 	/* No of copy engines supported */
278 	unsigned int ce_count;
279 	struct ce_int_assignment *int_assignment;
280 	atomic_t active_tasklet_cnt;
281 	atomic_t active_grp_tasklet_cnt;
282 	atomic_t link_suspended;
283 	uint32_t *vaddr_rri_on_ddr;
284 	qdf_dma_addr_t paddr_rri_on_ddr;
285 #ifdef CONFIG_BYPASS_QMI
286 	uint32_t *vaddr_qmi_bypass;
287 	qdf_dma_addr_t paddr_qmi_bypass;
288 #endif
289 	int linkstate_vote;
290 	bool fastpath_mode_on;
291 	atomic_t tasklet_from_intr;
292 	int htc_htt_tx_endpoint;
293 	qdf_dma_addr_t mem_pa;
294 	bool athdiag_procfs_inited;
295 #ifdef FEATURE_NAPI
296 	struct qca_napi_data napi_data;
297 #endif /* FEATURE_NAPI */
298 	/* stores ce_service_max_yield_time in ns */
299 	unsigned long long ce_service_max_yield_time;
300 	uint8_t ce_service_max_rx_ind_flush;
301 	struct hif_driver_state_callbacks callbacks;
302 	uint32_t hif_con_param;
303 #ifdef QCA_NSS_WIFI_OFFLOAD_SUPPORT
304 	uint32_t nss_wifi_ol_mode;
305 #endif
306 	void *hal_soc;
307 	struct hif_ut_suspend_context ut_suspend_ctx;
308 	uint32_t hif_attribute;
309 	int wake_irq;
310 	int disable_wake_irq;
311 	hif_pm_wake_irq_type wake_irq_type;
312 	void (*initial_wakeup_cb)(void *);
313 	void *initial_wakeup_priv;
314 #ifdef REMOVE_PKT_LOG
315 	/* Handle to pktlog device */
316 	void *pktlog_dev;
317 #endif
318 #ifdef WLAN_FEATURE_DP_EVENT_HISTORY
319 	/* Pointer to the srng event history */
320 	struct hif_event_history *evt_hist[HIF_NUM_INT_CONTEXTS];
321 #endif
322 
323 /*
324  * Note: For MCL, #if defined (HIF_CONFIG_SLUB_DEBUG_ON) needs to be checked
325  * for defined here
326  */
327 #if defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF)
328 	struct ce_desc_hist hif_ce_desc_hist;
329 #endif /*defined(HIF_CONFIG_SLUB_DEBUG_ON) || defined(HIF_CE_DEBUG_DATA_BUF)*/
330 #ifdef IPA_OFFLOAD
331 	qdf_shared_mem_t *ipa_ce_ring;
332 #endif
333 	struct hif_cfg ini_cfg;
334 #ifdef HIF_CE_LOG_INFO
335 	qdf_notif_block hif_recovery_notifier;
336 #endif
337 #ifdef HIF_CPU_PERF_AFFINE_MASK
338 	/* The CPU hotplug event registration handle */
339 	struct qdf_cpuhp_handler *cpuhp_event_handle;
340 #endif
341 	uint32_t irq_unlazy_disable;
342 	/* Should the unlzay support for interrupt delivery be disabled */
343 	/* Flag to indicate whether bus is suspended */
344 	bool bus_suspended;
345 	bool pktlog_init;
346 #ifdef FEATURE_RUNTIME_PM
347 	/* Variable to track the link state change in RTPM */
348 	qdf_atomic_t pm_link_state;
349 #endif
350 #ifdef HIF_DETECTION_LATENCY_ENABLE
351 	struct hif_latency_detect latency_detect;
352 #endif
353 #ifdef FEATURE_RUNTIME_PM
354 	qdf_runtime_lock_t prevent_linkdown_lock;
355 #endif
356 #ifdef SYSTEM_PM_CHECK
357 	qdf_atomic_t sys_pm_state;
358 #endif
359 #if defined(HIF_IPCI) && defined(FEATURE_HAL_DELAYED_REG_WRITE)
360 	qdf_atomic_t dp_ep_vote_access;
361 	qdf_atomic_t ep_vote_access;
362 #endif
363 	/* CMEM address target reserved for host usage */
364 	uint64_t cmem_start;
365 	/* CMEM size target reserved */
366 	uint64_t cmem_size;
367 #ifdef DP_UMAC_HW_RESET_SUPPORT
368 	struct hif_umac_reset_ctx umac_reset_ctx;
369 #endif
370 };
371 
372 static inline
373 void *hif_get_hal_handle(struct hif_opaque_softc *hif_hdl)
374 {
375 	struct hif_softc *sc = (struct hif_softc *)hif_hdl;
376 
377 	if (!sc)
378 		return NULL;
379 
380 	return sc->hal_soc;
381 }
382 
383 /**
384  * hif_get_cmem_info() - get CMEM address and size from HIF handle
385  * @hif_hdl: HIF handle pointer
386  * @cmem_start: pointer for CMEM address
387  * @cmem_size: pointer for CMEM size
388  *
389  * Return: None.
390  */
391 static inline
392 void hif_get_cmem_info(struct hif_opaque_softc *hif_hdl,
393 		       uint64_t *cmem_start,
394 		       uint64_t *cmem_size)
395 {
396 	struct hif_softc *sc = (struct hif_softc *)hif_hdl;
397 
398 	*cmem_start = sc->cmem_start;
399 	*cmem_size = sc->cmem_size;
400 }
401 
402 /**
403  * hif_get_num_active_tasklets() - get the number of active
404  *		tasklets pending to be completed.
405  * @scn: HIF context
406  *
407  * Returns: the number of tasklets which are active
408  */
409 static inline int hif_get_num_active_tasklets(struct hif_softc *scn)
410 {
411 	return qdf_atomic_read(&scn->active_tasklet_cnt);
412 }
413 
414 /**
415  * Max waiting time during Runtime PM suspend to finish all
416  * the tasks. This is in the multiple of 10ms.
417  */
418 #define HIF_TASK_DRAIN_WAIT_CNT 25
419 
420 /**
421  * hif_try_complete_tasks() - Try to complete all the pending tasks
422  * @scn: HIF context
423  *
424  * Try to complete all the pending datapath tasks, i.e. tasklets,
425  * DP group tasklets and works which are queued, in a given time
426  * slot.
427  *
428  * Returns: QDF_STATUS_SUCCESS if all the tasks were completed
429  *	QDF error code, if the time slot exhausted
430  */
431 QDF_STATUS hif_try_complete_tasks(struct hif_softc *scn);
432 
433 #ifdef QCA_NSS_WIFI_OFFLOAD_SUPPORT
434 static inline bool hif_is_nss_wifi_enabled(struct hif_softc *sc)
435 {
436 	return !!(sc->nss_wifi_ol_mode);
437 }
438 #else
439 static inline bool hif_is_nss_wifi_enabled(struct hif_softc *sc)
440 {
441 	return false;
442 }
443 #endif
444 
445 static inline uint8_t hif_is_attribute_set(struct hif_softc *sc,
446 						uint32_t hif_attrib)
447 {
448 	return sc->hif_attribute == hif_attrib;
449 }
450 
451 #ifdef WLAN_FEATURE_DP_EVENT_HISTORY
452 static inline void hif_set_event_hist_mask(struct hif_opaque_softc *hif_handle)
453 {
454 	struct hif_softc *scn = (struct hif_softc *)hif_handle;
455 
456 	scn->event_enable_mask = HIF_EVENT_HIST_ENABLE_MASK;
457 }
458 #else
459 static inline void hif_set_event_hist_mask(struct hif_opaque_softc *hif_handle)
460 {
461 }
462 #endif /* WLAN_FEATURE_DP_EVENT_HISTORY */
463 
464 A_target_id_t hif_get_target_id(struct hif_softc *scn);
465 void hif_dump_pipe_debug_count(struct hif_softc *scn);
466 void hif_display_bus_stats(struct hif_opaque_softc *scn);
467 void hif_clear_bus_stats(struct hif_opaque_softc *scn);
468 bool hif_max_num_receives_reached(struct hif_softc *scn, unsigned int count);
469 void hif_shutdown_device(struct hif_opaque_softc *hif_ctx);
470 int hif_bus_configure(struct hif_softc *scn);
471 void hif_cancel_deferred_target_sleep(struct hif_softc *scn);
472 int hif_config_ce(struct hif_softc *scn);
473 int hif_config_ce_pktlog(struct hif_opaque_softc *hif_ctx);
474 int hif_config_ce_by_id(struct hif_softc *scn, int pipe_num);
475 void hif_unconfig_ce(struct hif_softc *scn);
476 void hif_ce_prepare_config(struct hif_softc *scn);
477 QDF_STATUS hif_ce_open(struct hif_softc *scn);
478 void hif_ce_close(struct hif_softc *scn);
479 int athdiag_procfs_init(void *scn);
480 void athdiag_procfs_remove(void);
481 /* routine to modify the initial buffer count to be allocated on an os
482  * platform basis. Platform owner will need to modify this as needed
483  */
484 qdf_size_t init_buffer_count(qdf_size_t maxSize);
485 
486 irqreturn_t hif_fw_interrupt_handler(int irq, void *arg);
487 int hif_get_device_type(uint32_t device_id,
488 			uint32_t revision_id,
489 			uint32_t *hif_type, uint32_t *target_type);
490 /*These functions are exposed to HDD*/
491 void hif_nointrs(struct hif_softc *scn);
492 void hif_bus_close(struct hif_softc *ol_sc);
493 QDF_STATUS hif_bus_open(struct hif_softc *ol_sc,
494 	enum qdf_bus_type bus_type);
495 QDF_STATUS hif_enable_bus(struct hif_softc *ol_sc, struct device *dev,
496 	void *bdev, const struct hif_bus_id *bid, enum hif_enable_type type);
497 void hif_disable_bus(struct hif_softc *scn);
498 void hif_bus_prevent_linkdown(struct hif_softc *scn, bool flag);
499 int hif_bus_get_context_size(enum qdf_bus_type bus_type);
500 void hif_read_phy_mem_base(struct hif_softc *scn, qdf_dma_addr_t *bar_value);
501 uint32_t hif_get_conparam(struct hif_softc *scn);
502 struct hif_driver_state_callbacks *hif_get_callbacks_handle(
503 							struct hif_softc *scn);
504 bool hif_is_driver_unloading(struct hif_softc *scn);
505 bool hif_is_load_or_unload_in_progress(struct hif_softc *scn);
506 bool hif_is_recovery_in_progress(struct hif_softc *scn);
507 bool hif_is_target_ready(struct hif_softc *scn);
508 
509 /**
510  * hif_get_bandwidth_level() - API to get the current bandwidth level
511  * @scn: HIF Context
512  *
513  * Return: PLD bandwidth level
514  */
515 int hif_get_bandwidth_level(struct hif_opaque_softc *hif_handle);
516 
517 void hif_wlan_disable(struct hif_softc *scn);
518 int hif_target_sleep_state_adjust(struct hif_softc *scn,
519 					 bool sleep_ok,
520 					 bool wait_for_it);
521 
522 #ifdef DP_MEM_PRE_ALLOC
523 void *hif_mem_alloc_consistent_unaligned(struct hif_softc *scn,
524 					 qdf_size_t size,
525 					 qdf_dma_addr_t *paddr,
526 					 uint32_t ring_type,
527 					 uint8_t *is_mem_prealloc);
528 
529 void hif_mem_free_consistent_unaligned(struct hif_softc *scn,
530 				       qdf_size_t size,
531 				       void *vaddr,
532 				       qdf_dma_addr_t paddr,
533 				       qdf_dma_context_t memctx,
534 				       uint8_t is_mem_prealloc);
535 #else
536 static inline
537 void *hif_mem_alloc_consistent_unaligned(struct hif_softc *scn,
538 					 qdf_size_t size,
539 					 qdf_dma_addr_t *paddr,
540 					 uint32_t ring_type,
541 					 uint8_t *is_mem_prealloc)
542 {
543 	return qdf_mem_alloc_consistent(scn->qdf_dev,
544 					scn->qdf_dev->dev,
545 					size,
546 					paddr);
547 }
548 
549 static inline
550 void hif_mem_free_consistent_unaligned(struct hif_softc *scn,
551 				       qdf_size_t size,
552 				       void *vaddr,
553 				       qdf_dma_addr_t paddr,
554 				       qdf_dma_context_t memctx,
555 				       uint8_t is_mem_prealloc)
556 {
557 	return qdf_mem_free_consistent(scn->qdf_dev, scn->qdf_dev->dev,
558 				       size, vaddr, paddr, memctx);
559 }
560 #endif
561 
562 /**
563  * hif_get_rx_ctx_id() - Returns NAPI instance ID based on CE ID
564  * @ctx_id: Rx CE context ID
565  * @hif_hdl: HIF Context
566  *
567  * Return: Rx instance ID
568  */
569 int hif_get_rx_ctx_id(int ctx_id, struct hif_opaque_softc *hif_hdl);
570 void hif_ramdump_handler(struct hif_opaque_softc *scn);
571 #ifdef HIF_USB
572 void hif_usb_get_hw_info(struct hif_softc *scn);
573 void hif_usb_ramdump_handler(struct hif_opaque_softc *scn);
574 #else
575 static inline void hif_usb_get_hw_info(struct hif_softc *scn) {}
576 static inline void hif_usb_ramdump_handler(struct hif_opaque_softc *scn) {}
577 #endif
578 
579 /**
580  * hif_wake_interrupt_handler() - interrupt handler for standalone wake irq
581  * @irq: the irq number that fired
582  * @context: the opaque pointer passed to request_irq()
583  *
584  * Return: an irq return type
585  */
586 irqreturn_t hif_wake_interrupt_handler(int irq, void *context);
587 
588 #ifdef HIF_SNOC
589 bool hif_is_target_register_access_allowed(struct hif_softc *hif_sc);
590 #else
591 static inline
592 bool hif_is_target_register_access_allowed(struct hif_softc *hif_sc)
593 {
594 	return true;
595 }
596 #endif
597 
598 #ifdef ADRASTEA_RRI_ON_DDR
599 void hif_uninit_rri_on_ddr(struct hif_softc *scn);
600 #else
601 static inline
602 void hif_uninit_rri_on_ddr(struct hif_softc *scn) {}
603 #endif
604 void hif_cleanup_static_buf_to_target(struct hif_softc *scn);
605 
606 #ifdef FEATURE_RUNTIME_PM
607 /**
608  * hif_runtime_prevent_linkdown() - prevent or allow a runtime pm from occurring
609  * @scn: hif context
610  * @is_get: prevent linkdown if true otherwise allow
611  *
612  * this api should only be called as part of bus prevent linkdown
613  */
614 void hif_runtime_prevent_linkdown(struct hif_softc *scn, bool is_get);
615 #else
616 static inline
617 void hif_runtime_prevent_linkdown(struct hif_softc *scn, bool is_get)
618 {
619 }
620 #endif
621 
622 #endif /* __HIF_MAIN_H__ */
623