• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Broadcom SDIO/PCMCIA
4  * Software-specific definitions shared between device and host side
5  *
6  * Copyright (C) 1999-2019, 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  *      Notwithstanding the above, under no circumstances may you combine this
23  * software in any way with any other Broadcom software provided under a license
24  * other than the GPL, without Broadcom's express prior written consent.
25  *
26  *
27  * <<Broadcom-WL-IPTag/Open:>>
28  *
29  * $Id: bcmsdpcm.h 700076 2017-05-17 14:42:22Z $
30  */
31 
32 #ifndef	_bcmsdpcm_h_
33 #define	_bcmsdpcm_h_
34 
35 /*
36  * Software allocation of To SB Mailbox resources
37  */
38 
39 /* intstatus bits */
40 #define I_SMB_NAK	I_SMB_SW0	/* To SB Mailbox Frame NAK */
41 #define I_SMB_INT_ACK	I_SMB_SW1	/* To SB Mailbox Host Interrupt ACK */
42 #define I_SMB_USE_OOB	I_SMB_SW2	/* To SB Mailbox Use OOB Wakeup */
43 #define I_SMB_DEV_INT	I_SMB_SW3	/* To SB Mailbox Miscellaneous Interrupt */
44 
45 #define I_TOSBMAIL      (I_SMB_NAK | I_SMB_INT_ACK | I_SMB_USE_OOB | I_SMB_DEV_INT)
46 
47 /* tosbmailbox bits corresponding to intstatus bits */
48 #define SMB_NAK		(1 << 0)	/* To SB Mailbox Frame NAK */
49 #define SMB_INT_ACK	(1 << 1)	/* To SB Mailbox Host Interrupt ACK */
50 #define SMB_USE_OOB	(1 << 2)	/* To SB Mailbox Use OOB Wakeup */
51 #define SMB_DEV_INT	(1 << 3)	/* To SB Mailbox Miscellaneous Interrupt */
52 #define SMB_MASK	0x0000000f	/* To SB Mailbox Mask */
53 
54 /* tosbmailboxdata */
55 
56 #ifdef DS_PROT
57 /* Bit msgs for custom deep sleep protocol */
58 #define SMB_DATA_D3INFORM	0x100	/* host announcing D3 entry */
59 #define SMB_DATA_DSACK		0x200	/* host acking a deepsleep request */
60 #define SMB_DATA_DSNACK		0x400	/* host nacking a deepsleep request */
61 #endif /* DS_PROT */
62 /* force a trap */
63 #define SMB_DATA_TRAP		0x800	/* host forcing trap */
64 
65 #define SMB_DATA_VERSION_MASK	0x00ff0000	/* host protocol version (sent with F2 enable) */
66 #define SMB_DATA_VERSION_SHIFT	16		/* host protocol version (sent with F2 enable) */
67 
68 /*
69  * Software allocation of To Host Mailbox resources
70  */
71 
72 /* intstatus bits */
73 #define I_HMB_INT_ACK	I_HMB_SW0	/* To Host Mailbox Dev Interrupt ACK */
74 #define I_HMB_FC_STATE	I_HMB_SW0	/* To Host Mailbox Flow Control State */
75 #define I_HMB_FC_CHANGE	I_HMB_SW1	/* To Host Mailbox Flow Control State Changed */
76 #define I_HMB_FRAME_IND	I_HMB_SW2	/* To Host Mailbox Frame Indication */
77 #define I_HMB_HOST_INT	I_HMB_SW3	/* To Host Mailbox Miscellaneous Interrupt */
78 
79 #define I_TOHOSTMAIL    (I_HMB_INT_ACK | I_HMB_FRAME_IND | I_HMB_HOST_INT)
80 
81 /* tohostmailbox bits corresponding to intstatus bits */
82 #define HMB_INT_ACK	(1 << 0)	/* To Host Mailbox Dev Interrupt ACK */
83 #define HMB_FRAME_IND	(1 << 2)	/* To Host Mailbox Frame Indication */
84 #define HMB_HOST_INT	(1 << 3)	/* To Host Mailbox Miscellaneous Interrupt */
85 #define HMB_MASK	0x0000000f	/* To Host Mailbox Mask */
86 
87 /* tohostmailboxdata */
88 #define HMB_DATA_NAKHANDLED	0x01	/* we're ready to retransmit NAK'd frame to host */
89 #define HMB_DATA_DEVREADY	0x02	/* we're ready to to talk to host after enable */
90 #define HMB_DATA_FC		0x04	/* per prio flowcontrol update flag to host */
91 #define HMB_DATA_FWREADY	0x08	/* firmware is ready for protocol activity */
92 #define HMB_DATA_FWHALT		0x10	/* firmware has halted operation */
93 
94 #ifdef DS_PROT
95 /* Bit msgs for custom deep sleep protocol */
96 #define HMB_DATA_DSREQ		0x100	/* firmware requesting deepsleep entry */
97 #define HMB_DATA_DSEXIT		0x200	/* firmware announcing deepsleep exit */
98 #define HMB_DATA_D3ACK		0x400	/* firmware acking a D3 notice from host */
99 #define HMB_DATA_D3EXIT		0x800	/* firmware announcing D3 exit */
100 #define HMB_DATA_DSPROT_MASK	0xf00
101 #endif /* DS_PROT */
102 
103 #define HMB_DATA_FCDATA_MASK	0xff000000	/* per prio flowcontrol data */
104 #define HMB_DATA_FCDATA_SHIFT	24		/* per prio flowcontrol data */
105 
106 #define HMB_DATA_VERSION_MASK	0x00ff0000	/* device protocol version (with devready) */
107 #define HMB_DATA_VERSION_SHIFT	16		/* device protocol version (with devready) */
108 
109 /*
110  * Software-defined protocol header
111  */
112 
113 /* Current protocol version */
114 #define SDPCM_PROT_VERSION	4
115 
116 /* SW frame header */
117 #define SDPCM_SEQUENCE_MASK		0x000000ff	/* Sequence Number Mask */
118 #define SDPCM_PACKET_SEQUENCE(p) (((uint8 *)p)[0] & 0xff) /* p starts w/SW Header */
119 
120 #define SDPCM_CHANNEL_MASK		0x00000f00	/* Channel Number Mask */
121 #define SDPCM_CHANNEL_SHIFT		8		/* Channel Number Shift */
122 #define SDPCM_PACKET_CHANNEL(p) (((uint8 *)p)[1] & 0x0f) /* p starts w/SW Header */
123 
124 #define SDPCM_FLAGS_MASK		0x0000f000	/* Mask of flag bits */
125 #define SDPCM_FLAGS_SHIFT		12		/* Flag bits shift */
126 #define SDPCM_PACKET_FLAGS(p) ((((uint8 *)p)[1] & 0xf0) >> 4) /* p starts w/SW Header */
127 
128 /* Next Read Len: lookahead length of next frame, in 16-byte units (rounded up) */
129 #define SDPCM_NEXTLEN_MASK		0x00ff0000	/* Next Read Len Mask */
130 #define SDPCM_NEXTLEN_SHIFT		16		/* Next Read Len Shift */
131 #define SDPCM_NEXTLEN_VALUE(p) ((((uint8 *)p)[2] & 0xff) << 4) /* p starts w/SW Header */
132 #define SDPCM_NEXTLEN_OFFSET		2
133 
134 /* Data Offset from SOF (HW Tag, SW Tag, Pad) */
135 #define SDPCM_DOFFSET_OFFSET		3		/* Data Offset */
136 #define SDPCM_DOFFSET_VALUE(p)		(((uint8 *)p)[SDPCM_DOFFSET_OFFSET] & 0xff)
137 #define SDPCM_DOFFSET_MASK		0xff000000
138 #define SDPCM_DOFFSET_SHIFT		24
139 
140 #define SDPCM_FCMASK_OFFSET		4		/* Flow control */
141 #define SDPCM_FCMASK_VALUE(p)		(((uint8 *)p)[SDPCM_FCMASK_OFFSET ] & 0xff)
142 #define SDPCM_WINDOW_OFFSET		5		/* Credit based fc */
143 #define SDPCM_WINDOW_VALUE(p)		(((uint8 *)p)[SDPCM_WINDOW_OFFSET] & 0xff)
144 #define SDPCM_VERSION_OFFSET		6		/* Version # */
145 #define SDPCM_VERSION_VALUE(p)		(((uint8 *)p)[SDPCM_VERSION_OFFSET] & 0xff)
146 #define SDPCM_UNUSED_OFFSET		7		/* Spare */
147 #define SDPCM_UNUSED_VALUE(p)		(((uint8 *)p)[SDPCM_UNUSED_OFFSET] & 0xff)
148 
149 #define SDPCM_SWHEADER_LEN	8	/* SW header is 64 bits */
150 
151 /* logical channel numbers */
152 #define SDPCM_CONTROL_CHANNEL	0	/* Control Request/Response Channel Id */
153 #define SDPCM_EVENT_CHANNEL	1	/* Asyc Event Indication Channel Id */
154 #define SDPCM_DATA_CHANNEL	2	/* Data Xmit/Recv Channel Id */
155 #define SDPCM_GLOM_CHANNEL	3	/* For coalesced packets (superframes) */
156 #define SDPCM_TEST_CHANNEL	15	/* Reserved for test/debug packets */
157 #define SDPCM_MAX_CHANNEL	15
158 
159 #define SDPCM_SEQUENCE_WRAP	256	/* wrap-around val for eight-bit frame seq number */
160 
161 #define SDPCM_FLAG_RESVD0	0x01
162 #define SDPCM_FLAG_RESVD1	0x02
163 #define SDPCM_FLAG_GSPI_TXENAB	0x04
164 #define SDPCM_FLAG_GLOMDESC	0x08	/* Superframe descriptor mask */
165 
166 /* For GLOM_CHANNEL frames, use a flag to indicate descriptor frame */
167 #define SDPCM_GLOMDESC_FLAG	(SDPCM_FLAG_GLOMDESC << SDPCM_FLAGS_SHIFT)
168 
169 #define SDPCM_GLOMDESC(p)	(((uint8 *)p)[1] & 0x80)
170 
171 /* For TEST_CHANNEL packets, define another 4-byte header */
172 #define SDPCM_TEST_HDRLEN		4	/* Generally: Cmd(1), Ext(1), Len(2);
173 						 * Semantics of Ext byte depend on command.
174 						 * Len is current or requested frame length, not
175 						 * including test header; sent little-endian.
176 						 */
177 #define SDPCM_TEST_PKT_CNT_FLD_LEN	4	/* Packet count filed legth */
178 #define SDPCM_TEST_DISCARD		0x01	/* Receiver discards. Ext is a pattern id. */
179 #define SDPCM_TEST_ECHOREQ		0x02	/* Echo request. Ext is a pattern id. */
180 #define SDPCM_TEST_ECHORSP		0x03	/* Echo response. Ext is a pattern id. */
181 #define SDPCM_TEST_BURST		0x04	/* Receiver to send a burst. Ext is a frame count
182 						 * (Backward compatabilty) Set frame count in a
183 						 * 4 byte filed adjacent to the HDR
184 						 */
185 #define SDPCM_TEST_SEND			0x05	/* Receiver sets send mode. Ext is boolean on/off
186 						 * Set frame count in a 4 byte filed adjacent to
187 						 * the HDR
188 						 */
189 
190 /* Handy macro for filling in datagen packets with a pattern */
191 #define SDPCM_TEST_FILL(byteno, id)	((uint8)(id + byteno))
192 
193 /*
194  * Software counters (first part matches hardware counters)
195  */
196 
197 typedef volatile struct {
198 	uint32 cmd52rd;		/* Cmd52RdCount, SDIO: cmd52 reads */
199 	uint32 cmd52wr;		/* Cmd52WrCount, SDIO: cmd52 writes */
200 	uint32 cmd53rd;		/* Cmd53RdCount, SDIO: cmd53 reads */
201 	uint32 cmd53wr;		/* Cmd53WrCount, SDIO: cmd53 writes */
202 	uint32 abort;		/* AbortCount, SDIO: aborts */
203 	uint32 datacrcerror;	/* DataCrcErrorCount, SDIO: frames w/CRC error */
204 	uint32 rdoutofsync;	/* RdOutOfSyncCount, SDIO/PCMCIA: Rd Frm out of sync */
205 	uint32 wroutofsync;	/* RdOutOfSyncCount, SDIO/PCMCIA: Wr Frm out of sync */
206 	uint32 writebusy;	/* WriteBusyCount, SDIO: device asserted "busy" */
207 	uint32 readwait;	/* ReadWaitCount, SDIO: no data ready for a read cmd */
208 	uint32 readterm;	/* ReadTermCount, SDIO: read frame termination cmds */
209 	uint32 writeterm;	/* WriteTermCount, SDIO: write frames termination cmds */
210 	uint32 rxdescuflo;	/* receive descriptor underflows */
211 	uint32 rxfifooflo;	/* receive fifo overflows */
212 	uint32 txfifouflo;	/* transmit fifo underflows */
213 	uint32 runt;		/* runt (too short) frames recv'd from bus */
214 	uint32 badlen;		/* frame's rxh len does not match its hw tag len */
215 	uint32 badcksum;	/* frame's hw tag chksum doesn't agree with len value */
216 	uint32 seqbreak;	/* break in sequence # space from one rx frame to the next */
217 	uint32 rxfcrc;		/* frame rx header indicates crc error */
218 	uint32 rxfwoos;		/* frame rx header indicates write out of sync */
219 	uint32 rxfwft;		/* frame rx header indicates write frame termination */
220 	uint32 rxfabort;	/* frame rx header indicates frame aborted */
221 	uint32 woosint;		/* write out of sync interrupt */
222 	uint32 roosint;		/* read out of sync interrupt */
223 	uint32 rftermint;	/* read frame terminate interrupt */
224 	uint32 wftermint;	/* write frame terminate interrupt */
225 } sdpcmd_cnt_t;
226 
227 /*
228  * Register Access Macros
229  */
230 
231 #define SDIODREV_IS(var, val)	((var) == (val))
232 #define SDIODREV_GE(var, val)	((var) >= (val))
233 #define SDIODREV_GT(var, val)	((var) > (val))
234 #define SDIODREV_LT(var, val)	((var) < (val))
235 #define SDIODREV_LE(var, val)	((var) <= (val))
236 
237 #define SDIODDMAREG32(h, dir, chnl) \
238 	((dir) == DMA_TX ? \
239 	 (void *)(uintptr)&((h)->regs->dma.sdiod32.dma32regs[chnl].xmt) : \
240 	 (void *)(uintptr)&((h)->regs->dma.sdiod32.dma32regs[chnl].rcv))
241 
242 #define SDIODDMAREG64(h, dir, chnl) \
243 	((dir) == DMA_TX ? \
244 	 (void *)(uintptr)&((h)->regs->dma.sdiod64.dma64regs[chnl].xmt) : \
245 	 (void *)(uintptr)&((h)->regs->dma.sdiod64.dma64regs[chnl].rcv))
246 
247 #define SDIODDMAREG(h, dir, chnl) \
248 	(SDIODREV_LT((h)->corerev, 1) ? \
249 	 SDIODDMAREG32((h), (dir), (chnl)) : \
250 	 SDIODDMAREG64((h), (dir), (chnl)))
251 
252 #define PCMDDMAREG(h, dir, chnl) \
253 	((dir) == DMA_TX ? \
254 	 (void *)(uintptr)&((h)->regs->dma.pcm32.dmaregs.xmt) : \
255 	 (void *)(uintptr)&((h)->regs->dma.pcm32.dmaregs.rcv))
256 
257 #define SDPCMDMAREG(h, dir, chnl, coreid) \
258 	((coreid) == SDIOD_CORE_ID ? \
259 	 SDIODDMAREG(h, dir, chnl) : \
260 	 PCMDDMAREG(h, dir, chnl))
261 
262 #define SDIODFIFOREG(h, corerev) \
263 	(SDIODREV_LT((corerev), 1) ? \
264 	 ((dma32diag_t *)(uintptr)&((h)->regs->dma.sdiod32.dmafifo)) : \
265 	 ((dma32diag_t *)(uintptr)&((h)->regs->dma.sdiod64.dmafifo)))
266 
267 #define PCMDFIFOREG(h) \
268 	((dma32diag_t *)(uintptr)&((h)->regs->dma.pcm32.dmafifo))
269 
270 #define SDPCMFIFOREG(h, coreid, corerev) \
271 	((coreid) == SDIOD_CORE_ID ? \
272 	 SDIODFIFOREG(h, corerev) : \
273 	 PCMDFIFOREG(h))
274 
275 /*
276  * Shared structure between dongle and the host.
277  * The structure contains pointers to trap or assert information.
278  */
279 #define SDPCM_SHARED_VERSION       0x0001
280 #define SDPCM_SHARED_VERSION_MASK  0x00FF
281 #define SDPCM_SHARED_ASSERT_BUILT  0x0100
282 #define SDPCM_SHARED_ASSERT        0x0200
283 #define SDPCM_SHARED_TRAP          0x0400
284 #define SDPCM_SHARED_IN_BRPT       0x0800
285 #define SDPCM_SHARED_SET_BRPT      0x1000
286 #define SDPCM_SHARED_PENDING_BRPT  0x2000
287 #define SDPCM_SHARED_FATAL_LOGBUF_VALID	0x100000
288 #define SDPCM_SHARED_RXLIM_POST    0x4000
289 #define SDPCM_SHARED_TXSEQ_SYNC    0x4000
290 
291 typedef struct {
292 	uint32	flags;
293 	uint32  trap_addr;
294 	uint32  assert_exp_addr;
295 	uint32  assert_file_addr;
296 	uint32  assert_line;
297 	uint32	console_addr;		/* Address of hnd_cons_t */
298 	uint32  msgtrace_addr;
299 	uint32  fwid;
300 	uint32  device_fatal_logbuf_start;
301 #ifdef BCMSDIO_TXSEQ_SYNC
302 	uint32	txseq_sync_addr;
303 #endif /* BCMSDIO_TXSEQ_SYNC */
304 } sdpcm_shared_t;
305 
306 /* Device F/W provides the following access function:
307  * sdpcm_shared_t *hnd_get_sdpcm_shared(void);
308  */
309 
310 #endif	/* _bcmsdpcm_h_ */
311