xref: /OK3568_Linux_fs/external/rkwifibt/drivers/bcmdhd/include/bcmpcie.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Broadcom PCIE
3  * Software-specific definitions shared between device and host side
4  * Explains the shared area between host and dongle
5  *
6  * Copyright (C) 2020, Broadcom.
7  *
8  *      Unless you and Broadcom execute a separate written software license
9  * agreement governing use of this software, this software is licensed to you
10  * under the terms of the GNU General Public License version 2 (the "GPL"),
11  * available at http://www.broadcom.com/licenses/GPLv2.php, with the
12  * following added to such license:
13  *
14  *      As a special exception, the copyright holders of this software give you
15  * permission to link this software with independent modules, and to copy and
16  * distribute the resulting executable under terms of your choice, provided that
17  * you also meet, for each linked independent module, the terms and conditions of
18  * the license of that module.  An independent module is a module which is not
19  * derived from this software.  The special exception does not apply to any
20  * modifications of the software.
21  *
22  *
23  * <<Broadcom-WL-IPTag/Dual:>>
24  */
25 
26 #ifndef	_bcmpcie_h_
27 #define	_bcmpcie_h_
28 
29 #include <typedefs.h>
30 
31 #define ADDR_64(x)			(x.addr)
32 #define HIGH_ADDR_32(x)     ((uint32) (((sh_addr_t) x).high_addr))
33 #define LOW_ADDR_32(x)      ((uint32) (((sh_addr_t) x).low_addr))
34 
35 typedef struct {
36 	uint32 low_addr;
37 	uint32 high_addr;
38 } sh_addr_t;
39 
40 /* May be overridden by 43xxxxx-roml.mk */
41 #if !defined(BCMPCIE_MAX_TX_FLOWS)
42 #define BCMPCIE_MAX_TX_FLOWS	40
43 #endif /* ! BCMPCIE_MAX_TX_FLOWS */
44 
45 #define PCIE_SHARED_VERSION_9		0x00009
46 #define PCIE_SHARED_VERSION_8		0x00008
47 #define PCIE_SHARED_VERSION_7		0x00007
48 #define PCIE_SHARED_VERSION_6		0x00006 /* rev6 is compatible with rev 5 */
49 #define PCIE_SHARED_VERSION_5		0x00005 /* rev6 is compatible with rev 5 */
50 /**
51  * Feature flags enabled in dongle. Advertised by dongle to DHD via the PCIe Shared structure that
52  * is located in device memory.
53  */
54 #define PCIE_SHARED_VERSION_MASK	0x000FF
55 #define PCIE_SHARED_ASSERT_BUILT	0x00100
56 #define PCIE_SHARED_ASSERT		0x00200
57 #define PCIE_SHARED_TRAP		0x00400
58 #define PCIE_SHARED_IN_BRPT		0x00800
59 #define PCIE_SHARED_SET_BRPT		0x01000
60 #define PCIE_SHARED_PENDING_BRPT	0x02000
61 /* BCMPCIE_SUPPORT_TX_PUSH_RING		0x04000 obsolete */
62 #define PCIE_SHARED_EVT_SEQNUM		0x08000
63 #define PCIE_SHARED_DMA_INDEX		0x10000
64 
65 /**
66  * There are host types where a device interrupt can 'race ahead' of data written by the device into
67  * host memory. The dongle can avoid this condition using a variety of techniques (read barrier,
68  * using PCIe Message Signalled Interrupts, or by using the PCIE_DMA_INDEX feature). Unfortunately
69  * these techniques have drawbacks on router platforms. For these platforms, it was decided to not
70  * avoid the condition, but to detect the condition instead and act on it.
71  * D2H M2M DMA Complete Sync mechanism: Modulo-253-SeqNum or XORCSUM
72  */
73 #define PCIE_SHARED_D2H_SYNC_SEQNUM     0x20000
74 #define PCIE_SHARED_D2H_SYNC_XORCSUM    0x40000
75 #define PCIE_SHARED_D2H_SYNC_MODE_MASK \
76 	(PCIE_SHARED_D2H_SYNC_SEQNUM | PCIE_SHARED_D2H_SYNC_XORCSUM)
77 #define PCIE_SHARED_IDLE_FLOW_RING		0x80000
78 #define PCIE_SHARED_2BYTE_INDICES       0x100000
79 
80 #define PCIE_SHARED_FAST_DELETE_RING	0x00000020      /* Fast Delete Ring */
81 #define PCIE_SHARED_EVENT_BUF_POOL_MAX	0x000000c0      /* event buffer pool max bits */
82 #define PCIE_SHARED_EVENT_BUF_POOL_MAX_POS     6       /* event buffer pool max bit position */
83 
84 /* dongle supports fatal buf log collection */
85 #define PCIE_SHARED_FATAL_LOGBUG_VALID	0x200000
86 
87 /* Implicit DMA with corerev 19 and after */
88 #define PCIE_SHARED_IDMA		0x400000
89 
90 /* MSI support */
91 #define PCIE_SHARED_D2H_MSI_MULTI_MSG   0x800000
92 
93 /* IFRM with corerev 19 and after */
94 #define PCIE_SHARED_IFRM		0x1000000
95 
96 /**
97  * From Rev6 and above, suspend/resume can be done using two handshake methods.
98  * 1. Using ctrl post/ctrl cmpl messages (Default rev6)
99  * 2. Using Mailbox data (old method as used in rev5)
100  * This shared flag indicates whether to overide rev6 default method and use mailbox for
101  * suspend/resume.
102  */
103 #define PCIE_SHARED_USE_MAILBOX		0x2000000
104 
105 /* Firmware compiled for mfgbuild purposes */
106 #define PCIE_SHARED_MFGBUILD_FW		0x4000000
107 
108 /* Firmware could use DB0 value as host timestamp */
109 #define PCIE_SHARED_TIMESTAMP_DB0	0x8000000
110 /* Firmware could use Hostready (IPC rev7) */
111 #define PCIE_SHARED_HOSTRDY_SUPPORT	0x10000000
112 
113 /* When set, Firmwar does not support OOB Device Wake based DS protocol */
114 #define PCIE_SHARED_NO_OOB_DW		0x20000000
115 
116 /* When set, Firmwar supports Inband DS protocol */
117 #define PCIE_SHARED_INBAND_DS		0x40000000
118 
119 /* use DAR registers */
120 #define PCIE_SHARED_DAR			0x80000000
121 
122 /**
123  * Following are the shared2 flags. All bits in flags have been used. A flags2
124  * field got added and the definition for these flags come here:
125  */
126 /* WAR: D11 txstatus through unused status field of PCIe completion header */
127 #define PCIE_SHARED2_EXTENDED_TRAP_DATA	0x00000001	/* using flags2 in shared area */
128 #define PCIE_SHARED2_TXSTATUS_METADATA	0x00000002
129 #define PCIE_SHARED2_BT_LOGGING		0x00000004	/* BT logging support */
130 #define PCIE_SHARED2_SNAPSHOT_UPLOAD	0x00000008	/* BT/WLAN snapshot upload support */
131 #define PCIE_SHARED2_SUBMIT_COUNT_WAR	0x00000010	/* submission count WAR */
132 #define PCIE_SHARED2_FAST_DELETE_RING	0x00000020	/* Fast Delete ring support */
133 #define PCIE_SHARED2_EVTBUF_MAX_MASK	0x000000C0	/* 0:32, 1:64, 2:128, 3: 256 */
134 
135 /* using flags2 to indicate firmware support added to reuse timesync to update PKT txstatus */
136 #define PCIE_SHARED2_PKT_TX_STATUS	0x00000100
137 #define PCIE_SHARED2_FW_SMALL_MEMDUMP	0x00000200	/* FW small memdump */
138 #define PCIE_SHARED2_FW_HC_ON_TRAP	0x00000400
139 #define PCIE_SHARED2_HSCB		0x00000800	/* Host SCB support */
140 
141 #define PCIE_SHARED2_EDL_RING			0x00001000	/* Support Enhanced Debug Lane */
142 #define PCIE_SHARED2_DEBUG_BUF_DEST		0x00002000	/* debug buf dest support */
143 #define PCIE_SHARED2_PCIE_ENUM_RESET_FLR	0x00004000	/* BT producer index reset WAR */
144 #define PCIE_SHARED2_PKT_TIMESTAMP		0x00008000	/* Timestamp in packet */
145 
146 #define PCIE_SHARED2_HP2P		0x00010000u	/* HP2P feature */
147 #define PCIE_SHARED2_HWA		0x00020000u	/* HWA feature */
148 #define PCIE_SHARED2_TRAP_ON_HOST_DB7	0x00040000u	/* can take a trap on DB7 from host */
149 
150 #define PCIE_SHARED2_DURATION_SCALE	0x00100000u
151 #define PCIE_SHARED2_ETD_ADDR_SUPPORT	0x00800000u
152 
153 #define PCIE_SHARED2_TXCSO		0x00200000u	/* Tx Checksum offload support */
154 #define PCIE_SHARED2_TXPOST_EXT		0x00400000u	/* extended txpost work item support */
155 
156 #define PCIE_SHARED2_D2H_D11_TX_STATUS	0x40000000
157 #define PCIE_SHARED2_H2D_D11_TX_STATUS	0x80000000
158 
159 #define PCIE_SHARED_D2H_MAGIC		0xFEDCBA09
160 #define PCIE_SHARED_H2D_MAGIC		0x12345678
161 
162 typedef uint16			pcie_hwa_db_index_t;	/* 16 bit HWA index (IPC Rev 7) */
163 #define PCIE_HWA_DB_INDEX_SZ	(2u)			/* 2 bytes  sizeof(pcie_hwa_db_index_t) */
164 
165 /**
166  * Message rings convey messages between host and device. They are unidirectional, and are located
167  * in host memory.
168  *
169  * This is the minimal set of message rings, known as 'common message rings':
170  */
171 #define BCMPCIE_H2D_MSGRING_CONTROL_SUBMIT		0
172 #define BCMPCIE_H2D_MSGRING_RXPOST_SUBMIT		1
173 #define BCMPCIE_D2H_MSGRING_CONTROL_COMPLETE		2
174 #define BCMPCIE_D2H_MSGRING_TX_COMPLETE			3
175 #define BCMPCIE_D2H_MSGRING_RX_COMPLETE			4
176 #define BCMPCIE_COMMON_MSGRING_MAX_ID			4
177 
178 #define BCMPCIE_H2D_COMMON_MSGRINGS			2
179 #define BCMPCIE_D2H_COMMON_MSGRINGS			3
180 #define BCMPCIE_COMMON_MSGRINGS				5
181 
182 #define BCMPCIE_H2D_MSGRINGS(max_tx_flows) \
183 	(BCMPCIE_H2D_COMMON_MSGRINGS + (max_tx_flows))
184 
185 /* different ring types */
186 #define BCMPCIE_H2D_RING_TYPE_CTRL_SUBMIT		0x1
187 #define BCMPCIE_H2D_RING_TYPE_TXFLOW_RING		0x2
188 #define BCMPCIE_H2D_RING_TYPE_RXBUFPOST			0x3
189 #define BCMPCIE_H2D_RING_TYPE_TXSUBMIT			0x4
190 #define BCMPCIE_H2D_RING_TYPE_DBGBUF_SUBMIT		0x5
191 #define BCMPCIE_H2D_RING_TYPE_BTLOG_SUBMIT		0x6
192 
193 #define BCMPCIE_D2H_RING_TYPE_CTRL_CPL			0x1
194 #define BCMPCIE_D2H_RING_TYPE_TX_CPL			0x2
195 #define BCMPCIE_D2H_RING_TYPE_RX_CPL			0x3
196 #define BCMPCIE_D2H_RING_TYPE_DBGBUF_CPL		0x4
197 #define BCMPCIE_D2H_RING_TYPE_AC_RX_COMPLETE		0x5
198 #define BCMPCIE_D2H_RING_TYPE_BTLOG_CPL			0x6
199 #define BCMPCIE_D2H_RING_TYPE_EDL                       0x7
200 #define BCMPCIE_D2H_RING_TYPE_HPP_TX_CPL		0x8
201 #define BCMPCIE_D2H_RING_TYPE_HPP_RX_CPL		0x9
202 
203 /**
204  * H2D and D2H, WR and RD index, are maintained in the following arrays:
205  * - Array of all H2D WR Indices
206  * - Array of all H2D RD Indices
207  * - Array of all D2H WR Indices
208  * - Array of all D2H RD Indices
209  *
210  * The offset of the WR or RD indexes (for common rings) in these arrays are
211  * listed below. Arrays ARE NOT indexed by a ring's id.
212  *
213  * D2H common rings WR and RD index start from 0, even though their ringids
214  * start from BCMPCIE_H2D_COMMON_MSGRINGS
215  */
216 
217 #define BCMPCIE_H2D_RING_IDX(h2d_ring_id) (h2d_ring_id)
218 
219 enum h2dring_idx {
220 	/* H2D common rings */
221 	BCMPCIE_H2D_MSGRING_CONTROL_SUBMIT_IDX =
222 		BCMPCIE_H2D_RING_IDX(BCMPCIE_H2D_MSGRING_CONTROL_SUBMIT),
223 	BCMPCIE_H2D_MSGRING_RXPOST_SUBMIT_IDX =
224 		BCMPCIE_H2D_RING_IDX(BCMPCIE_H2D_MSGRING_RXPOST_SUBMIT),
225 
226 	/* First TxPost's WR or RD index starts after all H2D common rings */
227 	BCMPCIE_H2D_MSGRING_TXFLOW_IDX_START =
228 		BCMPCIE_H2D_RING_IDX(BCMPCIE_H2D_COMMON_MSGRINGS)
229 };
230 
231 #define BCMPCIE_D2H_RING_IDX(d2h_ring_id) \
232 	((d2h_ring_id) - BCMPCIE_H2D_COMMON_MSGRINGS)
233 
234 enum d2hring_idx {
235 	/* D2H Common Rings */
236 	BCMPCIE_D2H_MSGRING_CONTROL_COMPLETE_IDX =
237 		BCMPCIE_D2H_RING_IDX(BCMPCIE_D2H_MSGRING_CONTROL_COMPLETE),
238 	BCMPCIE_D2H_MSGRING_TX_COMPLETE_IDX =
239 		BCMPCIE_D2H_RING_IDX(BCMPCIE_D2H_MSGRING_TX_COMPLETE),
240 	BCMPCIE_D2H_MSGRING_RX_COMPLETE_IDX =
241 		BCMPCIE_D2H_RING_IDX(BCMPCIE_D2H_MSGRING_RX_COMPLETE)
242 };
243 
244 /**
245  * Macros for managing arrays of RD WR indices:
246  * rw_index_sz:
247  *    - in dongle, rw_index_sz is known at compile time
248  *    - in host/DHD, rw_index_sz is derived from advertized pci_shared flags
249  *
250  *  ring_idx: See h2dring_idx and d2hring_idx
251  */
252 
253 /** Offset of a RD or WR index in H2D or D2H indices array */
254 #define BCMPCIE_RW_INDEX_OFFSET(rw_index_sz, ring_idx) \
255 	((rw_index_sz) * (ring_idx))
256 
257 /** Fetch the address of RD or WR index in H2D or D2H indices array */
258 #define BCMPCIE_RW_INDEX_ADDR(indices_array_base, rw_index_sz, ring_idx) \
259 	(void *)((uint32)(indices_array_base) + \
260 	BCMPCIE_RW_INDEX_OFFSET((rw_index_sz), (ring_idx)))
261 
262 /** H2D DMA Indices array size: given max flow rings */
263 #define BCMPCIE_H2D_RW_INDEX_ARRAY_SZ(rw_index_sz, max_tx_flows) \
264 	((rw_index_sz) * BCMPCIE_H2D_MSGRINGS(max_tx_flows))
265 
266 /** D2H DMA Indices array size */
267 #define BCMPCIE_D2H_RW_INDEX_ARRAY_SZ(rw_index_sz) \
268 	((rw_index_sz) * BCMPCIE_D2H_COMMON_MSGRINGS)
269 
270 /* Backwards compatibility for legacy branches. */
271 #if !defined(PHYS_ADDR_N)
272 	#define PHYS_ADDR_N(name) name
273 #endif
274 
275 /**
276  * This type is used by a 'message buffer' (which is a FIFO for messages). Message buffers are used
277  * for host<->device communication and are instantiated on both sides. ring_mem_t is instantiated
278  * both in host as well as device memory.
279  */
280 typedef struct ring_mem {
281 	uint16		idx;       /* ring id */
282 	uint8		type;
283 	uint8		rsvd;
284 	uint16		max_item;  /* Max number of items in flow ring */
285 	uint16		len_items; /* Items are fixed size. Length in bytes of one item */
286 	sh_addr_t	base_addr; /* 64 bits address, either in host or device memory */
287 } ring_mem_t;
288 
289 /**
290  * Per flow ring, information is maintained in device memory, eg at what address the ringmem and
291  * ringstate are located. The flow ring itself can be instantiated in either host or device memory.
292  *
293  * Perhaps this type should be renamed to make clear that it resides in device memory only.
294  */
295 typedef struct ring_info {
296 	uint32		PHYS_ADDR_N(ringmem_ptr); /* ring mem location in dongle memory */
297 
298 	/* Following arrays are indexed using h2dring_idx and d2hring_idx, and not
299 	 * by a ringid.
300 	 */
301 
302 	/* 32bit ptr to arrays of WR or RD indices for all rings in dongle memory */
303 	uint32		PHYS_ADDR_N(h2d_w_idx_ptr); /* Array of all H2D ring's WR indices */
304 	uint32		PHYS_ADDR_N(h2d_r_idx_ptr); /* Array of all H2D ring's RD indices */
305 	uint32		PHYS_ADDR_N(d2h_w_idx_ptr); /* Array of all D2H ring's WR indices */
306 	uint32		PHYS_ADDR_N(d2h_r_idx_ptr); /* Array of all D2H ring's RD indices */
307 
308 	/* PCIE_DMA_INDEX feature: Dongle uses mem2mem DMA to sync arrays in host.
309 	 * Host may directly fetch WR and RD indices from these host-side arrays.
310 	 *
311 	 * 64bit ptr to arrays of WR or RD indices for all rings in host memory.
312 	 */
313 	sh_addr_t	h2d_w_idx_hostaddr; /* Array of all H2D ring's WR indices */
314 	sh_addr_t	h2d_r_idx_hostaddr; /* Array of all H2D ring's RD indices */
315 	sh_addr_t	d2h_w_idx_hostaddr; /* Array of all D2H ring's WR indices */
316 	sh_addr_t	d2h_r_idx_hostaddr; /* Array of all D2H ring's RD indices */
317 
318 	uint16		max_tx_flowrings; /* maximum number of H2D rings: common + flow */
319 	uint16		max_submission_queues; /* maximum number of H2D rings: common + flow */
320 	uint16		max_completion_rings; /* maximum number of H2D rings: common + flow */
321 	uint16		max_vdevs; /* max number of virtual interfaces supported */
322 
323 	sh_addr_t	ifrm_w_idx_hostaddr; /* Array of all H2D ring's WR indices for IFRM */
324 
325 	/* 32bit ptr to arrays of HWA DB indices for all rings in dongle memory */
326 	uint32		PHYS_ADDR_N(h2d_hwa_db_idx_ptr); /* Array of all H2D rings HWA DB indices */
327 	uint32		PHYS_ADDR_N(d2h_hwa_db_idx_ptr); /* Array of all D2H rings HWA DB indices */
328 
329 } ring_info_t;
330 
331 /**
332  * A structure located in TCM that is shared between host and device, primarily used during
333  * initialization.
334  */
335 typedef struct {
336 	/** shared area version captured at flags 7:0 */
337 	uint32	flags;
338 
339 	uint32 PHYS_ADDR_N(trap_addr);
340 	uint32 PHYS_ADDR_N(assert_exp_addr);
341 	uint32 PHYS_ADDR_N(assert_file_addr);
342 	uint32  assert_line;
343 	uint32 PHYS_ADDR_N(console_addr);	/**< Address of hnd_cons_t */
344 
345 	uint32 PHYS_ADDR_N(msgtrace_addr);
346 
347 	uint32  fwid;
348 
349 	/* Used for debug/flow control */
350 	uint16  total_lfrag_pkt_cnt;
351 	uint16  max_host_rxbufs; /* rsvd in spec */
352 
353 	uint32 dma_rxoffset; /* rsvd in spec */
354 
355 	/** these will be used for sleep request/ack, d3 req/ack */
356 	uint32  PHYS_ADDR_N(h2d_mb_data_ptr);
357 	uint32  PHYS_ADDR_N(d2h_mb_data_ptr);
358 
359 	/* information pertinent to host IPC/msgbuf channels */
360 	/** location in the TCM memory which has the ring_info */
361 	uint32	PHYS_ADDR_N(rings_info_ptr);
362 
363 	/** block of host memory for the scratch buffer */
364 	uint32		host_dma_scratch_buffer_len;
365 	sh_addr_t	host_dma_scratch_buffer;
366 
367 	/* location in host memory for scb host offload structures */
368 	sh_addr_t	host_scb_addr;
369 	uint32		host_scb_size;
370 
371 	/* anonymous union for overloading fields in structure */
372 	union {
373 		uint32	buzz_dbg_ptr;	/* BUZZZ state format strings and trace buffer */
374 		struct {
375 			/* Host provided trap buffer length in words */
376 			uint16	device_trap_debug_buffer_len;
377 			uint16	rsvd2;
378 		};
379 	};
380 
381 	/* rev6 compatible changes */
382 	uint32          flags2;
383 	uint32          host_cap;
384 
385 	/* location in the host address space to write trap indication.
386 	* At this point for the current rev of the spec, firmware will
387 	* support only indications to 32 bit host addresses.
388 	* This essentially is device_trap_debug_buffer_addr
389 	*/
390 	sh_addr_t       host_trap_addr;
391 
392 	/* location for host fatal error log buffer start address */
393 	uint32 PHYS_ADDR_N(device_fatal_logbuf_start);
394 
395 	/* location in host memory for offloaded modules */
396 	sh_addr_t	hoffload_addr;
397 	uint32		flags3;
398 	uint32		host_cap2;
399 	uint32		host_cap3;	/* host indicates its txpost ext tag capabilities */
400 	uint32		PHYS_ADDR_N(etd_addr);
401 
402 	/* Device advertises the txpost extended tag capabilities */
403 	uint32		device_txpost_ext_tags_bitmask;
404 
405 } pciedev_shared_t;
406 
407 /* Device F/W provides the following access function:
408  * pciedev_shared_t *hnd_get_pciedev_shared(void);
409  */
410 
411 /* host capabilities */
412 #define HOSTCAP_PCIEAPI_VERSION_MASK		0x000000FF
413 #define HOSTCAP_H2D_VALID_PHASE			0x00000100
414 #define HOSTCAP_H2D_ENABLE_TRAP_ON_BADPHASE	0x00000200
415 #define HOSTCAP_H2D_ENABLE_HOSTRDY		0x00000400
416 #define HOSTCAP_DB0_TIMESTAMP			0x00000800
417 #define HOSTCAP_DS_NO_OOB_DW			0x00001000
418 #define HOSTCAP_DS_INBAND_DW			0x00002000
419 #define HOSTCAP_H2D_IDMA			0x00004000
420 #define HOSTCAP_H2D_IFRM			0x00008000
421 #define HOSTCAP_H2D_DAR				0x00010000
422 #define HOSTCAP_EXTENDED_TRAP_DATA		0x00020000
423 #define HOSTCAP_TXSTATUS_METADATA		0x00040000
424 #define HOSTCAP_BT_LOGGING			0x00080000
425 #define HOSTCAP_SNAPSHOT_UPLOAD			0x00100000
426 #define HOSTCAP_FAST_DELETE_RING		0x00200000
427 #define HOSTCAP_PKT_TXSTATUS			0x00400000
428 #define HOSTCAP_UR_FW_NO_TRAP			0x00800000 /* Don't trap on UR */
429 #define HOSTCAP_TX_CSO				0x01000000
430 #define HOSTCAP_HSCB				0x02000000
431 /* Host support for extended device trap debug buffer */
432 #define HOSTCAP_EXT_TRAP_DBGBUF			0x04000000
433 #define HOSTCAP_TXPOST_EXT			0x08000000
434 /* Host support for enhanced debug lane */
435 #define HOSTCAP_EDL_RING			0x10000000
436 #define HOSTCAP_PKT_TIMESTAMP			0x20000000
437 #define HOSTCAP_PKT_HP2P			0x40000000
438 #define HOSTCAP_HWA				0x80000000
439 
440 #define HOSTCAP2_DURATION_SCALE_MASK            0x0000003Fu
441 
442 /* extended trap debug buffer allocation sizes. Note that this buffer can be used for
443  * other trap related purposes also.
444  */
445 #define BCMPCIE_HOST_EXT_TRAP_DBGBUF_LEN_MIN	(64u * 1024u)
446 #define BCMPCIE_HOST_EXT_TRAP_DBGBUF_LEN	(96u * 1024u)
447 #define BCMPCIE_HOST_EXT_TRAP_DBGBUF_LEN_MAX	(256u * 1024u)
448 
449 /**
450  * Mailboxes notify a remote party that an event took place, using interrupts. They use hardware
451  * support.
452  */
453 
454 /* H2D mail box Data */
455 #define H2D_HOST_D3_INFORM		0x00000001
456 #define H2D_HOST_DS_ACK		0x00000002
457 #define H2D_HOST_DS_NAK		0x00000004
458 #define H2D_HOST_D0_INFORM_IN_USE	0x00000008
459 #define H2D_HOST_D0_INFORM		0x00000010
460 #define H2DMB_DS_ACTIVE			0x00000020
461 #define H2DMB_DS_DEVICE_WAKE	0x00000040
462 #define H2D_HOST_IDMA_INITED	0x00000080
463 #define H2D_HOST_ACK_NOINT		0x00010000 /* d2h_ack interrupt ignore */
464 #define H2D_HOST_CONS_INT	0x80000000	/**< h2d int for console cmds  */
465 #define H2D_FW_TRAP		0x20000000	/**< h2d force TRAP */
466 #define H2DMB_DS_HOST_SLEEP_INFORM H2D_HOST_D3_INFORM
467 #define H2DMB_DS_DEVICE_SLEEP_ACK  H2D_HOST_DS_ACK
468 #define H2DMB_DS_DEVICE_SLEEP_NAK  H2D_HOST_DS_NAK
469 #define H2DMB_D0_INFORM_IN_USE     H2D_HOST_D0_INFORM_IN_USE
470 #define H2DMB_D0_INFORM            H2D_HOST_D0_INFORM
471 #define H2DMB_FW_TRAP              H2D_FW_TRAP
472 #define H2DMB_HOST_CONS_INT        H2D_HOST_CONS_INT
473 #define H2DMB_DS_DEVICE_WAKE_ASSERT		H2DMB_DS_DEVICE_WAKE
474 #define H2DMB_DS_DEVICE_WAKE_DEASSERT	H2DMB_DS_ACTIVE
475 
476 /* D2H mail box Data */
477 #define D2H_DEV_D3_ACK					0x00000001
478 #define D2H_DEV_DS_ENTER_REQ				0x00000002
479 #define D2H_DEV_DS_EXIT_NOTE				0x00000004
480 #define D2HMB_DS_HOST_SLEEP_EXIT_ACK			0x00000008
481 #define D2H_DEV_IDMA_INITED				0x00000010
482 #define D2HMB_DS_HOST_SLEEP_ACK         D2H_DEV_D3_ACK
483 #define D2HMB_DS_DEVICE_SLEEP_ENTER_REQ D2H_DEV_DS_ENTER_REQ
484 #define D2HMB_DS_DEVICE_SLEEP_EXIT      D2H_DEV_DS_EXIT_NOTE
485 
486 #define D2H_DEV_MB_MASK		(D2H_DEV_D3_ACK | D2H_DEV_DS_ENTER_REQ | \
487 				D2H_DEV_DS_EXIT_NOTE | D2H_DEV_IDMA_INITED)
488 #define D2H_DEV_MB_INVALIDATED(x)	((!x) || (x & ~D2H_DEV_MB_MASK))
489 
490 /* trap data codes */
491 #define D2H_DEV_FWHALT					0x10000000
492 #define D2H_DEV_EXT_TRAP_DATA				0x20000000
493 #define D2H_DEV_TRAP_IN_TRAP				0x40000000
494 #define D2H_DEV_TRAP_HOSTDB				0x80000000 /* trap as set by host DB */
495 #define D2H_DEV_TRAP_DUE_TO_BT				0x01000000
496 /* Indicates trap due to HMAP violation */
497 #define D2H_DEV_TRAP_DUE_TO_HMAP			0x02000000
498 /* Indicates whether HMAP violation was Write */
499 #define D2H_DEV_TRAP_HMAP_WRITE				0x04000000
500 #define D2H_DEV_TRAP_PING_HOST_FAILURE			0x08000000
501 #define D2H_FWTRAP_MASK		0x0000001F	/* Adding maskbits for TRAP information */
502 
503 #define D2HMB_FWHALT                    D2H_DEV_FWHALT
504 #define D2HMB_TRAP_IN_TRAP              D2H_DEV_TRAP_IN_TRAP
505 #define D2HMB_EXT_TRAP_DATA             D2H_DEV_EXT_TRAP_DATA
506 #define D2H_FWTRAP_MAC_SSSR_RDY		0x00010000u	/* MAC SSSR prepped */
507 
508 /* Size of Extended Trap data Buffer */
509 #define BCMPCIE_EXT_TRAP_DATA_MAXLEN  4096
510 
511 /** These macro's operate on type 'inuse_lclbuf_pool_t' and are used by firmware only */
512 #define PREVTXP(i, d)           (((i) == 0) ? ((d) - 1) : ((i) - 1))
513 #define NEXTTXP(i, d)           ((((i)+1) >= (d)) ? 0 : ((i)+1))
514 #define NEXTNTXP(i, n, d)       ((((i)+(n)) >= (d)) ? 0 : ((i)+(n)))
515 #define NTXPACTIVE(r, w, d)     (((r) <= (w)) ? ((w)-(r)) : ((d)-(r)+(w)))
516 #define NTXPAVAIL(r, w, d)      (((d) - NTXPACTIVE((r), (w), (d))) > 1)
517 
518 /* Function can be used to notify host of FW halt */
519 #define READ_AVAIL_SPACE(w, r, d) ((w >= r) ? (uint32)(w - r) : (uint32)(d - r))
520 #define WRITE_SPACE_AVAIL_CONTINUOUS(r, w, d) ((w >= r) ? (d - w) : (r - w))
521 #define WRITE_SPACE_AVAIL(r, w, d) (d - (NTXPACTIVE(r, w, d)) - 1)
522 #define CHECK_WRITE_SPACE(r, w, d) ((r) > (w)) ? \
523 	(uint32)((r) - (w) - 1) : ((r) == 0 || (w) == 0) ? \
524 	(uint32)((d) - (w) - 1) : (uint32)((d) - (w))
525 
526 #define CHECK_NOWRITE_SPACE(r, w, d) \
527 	(((uint32)(r) == (uint32)((w) + 1)) || (((r) == 0) && ((w) == ((d) - 1))))
528 
529 /* These should be moved into pciedev.h --- */
530 #define WRT_PEND(x)	((x)->wr_pending)
531 #define DNGL_RING_WPTR(msgbuf)		(*((msgbuf)->tcm_rs_w_ptr)) /**< advanced by producer */
532 #define BCMMSGBUF_RING_SET_W_PTR(msgbuf, a)	(DNGL_RING_WPTR(msgbuf) = (a))
533 
534 #define DNGL_RING_RPTR(msgbuf)		(*((msgbuf)->tcm_rs_r_ptr)) /**< advanced by consumer */
535 #define BCMMSGBUF_RING_SET_R_PTR(msgbuf, a)	(DNGL_RING_RPTR(msgbuf) = (a))
536 
537 #define MODULO_RING_IDX(x, y)	((x) % (y)->bitmap_size)
538 
539 #define  RING_READ_PTR(x)	((x)->ringstate->r_offset)
540 #define  RING_WRITE_PTR(x)	((x)->ringstate->w_offset)
541 #define  RING_START_PTR(x)	((x)->ringmem->base_addr.low_addr)
542 #define  RING_MAX_ITEM(x)	((x)->ringmem->max_item)
543 #define  RING_LEN_ITEMS(x)	((x)->ringmem->len_items)
544 #define	 HOST_RING_BASE(x)	((x)->dma_buf.va)
545 #define	 HOST_RING_END(x)	((uint8 *)HOST_RING_BASE((x)) + \
546 					((RING_MAX_ITEM((x))-1)*RING_LEN_ITEMS((x))))
547 
548 /* Trap types copied in the pciedev_shared.trap_addr */
549 #define	FW_INITIATED_TRAP_TYPE	(0x1 << 7)
550 #define	HEALTHCHECK_NODS_TRAP_TYPE	(0x1 << 6)
551 
552 /* Device supported txpost extended tag capabilities */
553 #define PCIE_SHARED2_DEV_TXPOST_EXT_TAG_CAP_RSVD	(1u << 0u) /* Reserved  */
554 #define PCIE_SHARED2_DEV_TXPOST_EXT_TAG_CAP_CSO		(1u << 1u) /* CSO */
555 #define PCIE_SHARED2_DEV_TXPOST_EXT_TAG_CAP_MESH	(1u << 2u) /* MESH */
556 
557 #define RING_MESH(x)	(((x)->txpost_ext_cap_flags) & PCIE_SHARED2_DEV_TXPOST_EXT_TAG_CAP_MESH)
558 
559 #endif	/* _bcmpcie_h_ */
560