1/*
2 * Broadcom SDIO/PCMCIA
3 * Software-specific definitions shared between device and host side
4 *
5 * Copyright (C) 2013, Broadcom Corporation. All Rights Reserved.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
14 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
16 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
17 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 *
19 * $Id: bcmsdpcm.h 314495 2012-02-12 07:56:39Z $
20 */
21
22#ifndef	_bcmsdpcm_h_
23#define	_bcmsdpcm_h_
24
25/*
26 * Software allocation of To SB Mailbox resources
27 */
28
29/* intstatus bits */
30#define I_SMB_NAK	I_SMB_SW0	/* To SB Mailbox Frame NAK */
31#define I_SMB_INT_ACK	I_SMB_SW1	/* To SB Mailbox Host Interrupt ACK */
32#define I_SMB_USE_OOB	I_SMB_SW2	/* To SB Mailbox Use OOB Wakeup */
33#define I_SMB_DEV_INT	I_SMB_SW3	/* To SB Mailbox Miscellaneous Interrupt */
34
35#define I_TOSBMAIL      (I_SMB_NAK | I_SMB_INT_ACK | I_SMB_USE_OOB | I_SMB_DEV_INT)
36
37/* tosbmailbox bits corresponding to intstatus bits */
38#define SMB_NAK		(1 << 0)	/* To SB Mailbox Frame NAK */
39#define SMB_INT_ACK	(1 << 1)	/* To SB Mailbox Host Interrupt ACK */
40#define SMB_USE_OOB	(1 << 2)	/* To SB Mailbox Use OOB Wakeup */
41#define SMB_DEV_INT	(1 << 3)	/* To SB Mailbox Miscellaneous Interrupt */
42#define SMB_MASK	0x0000000f	/* To SB Mailbox Mask */
43
44/* tosbmailboxdata */
45#define SMB_DATA_VERSION_MASK	0x00ff0000	/* host protocol version (sent with F2 enable) */
46#define SMB_DATA_VERSION_SHIFT	16		/* host protocol version (sent with F2 enable) */
47
48/*
49 * Software allocation of To Host Mailbox resources
50 */
51
52/* intstatus bits */
53#define I_HMB_FC_STATE	I_HMB_SW0	/* To Host Mailbox Flow Control State */
54#define I_HMB_FC_CHANGE	I_HMB_SW1	/* To Host Mailbox Flow Control State Changed */
55#define I_HMB_FRAME_IND	I_HMB_SW2	/* To Host Mailbox Frame Indication */
56#define I_HMB_HOST_INT	I_HMB_SW3	/* To Host Mailbox Miscellaneous Interrupt */
57
58#define I_TOHOSTMAIL    (I_HMB_FC_CHANGE | I_HMB_FRAME_IND | I_HMB_HOST_INT)
59
60/* tohostmailbox bits corresponding to intstatus bits */
61#define HMB_FC_ON	(1 << 0)	/* To Host Mailbox Flow Control State */
62#define HMB_FC_CHANGE	(1 << 1)	/* To Host Mailbox Flow Control State Changed */
63#define HMB_FRAME_IND	(1 << 2)	/* To Host Mailbox Frame Indication */
64#define HMB_HOST_INT	(1 << 3)	/* To Host Mailbox Miscellaneous Interrupt */
65#define HMB_MASK	0x0000000f	/* To Host Mailbox Mask */
66
67/* tohostmailboxdata */
68#define HMB_DATA_NAKHANDLED	0x01	/* we're ready to retransmit NAK'd frame to host */
69#define HMB_DATA_DEVREADY	0x02	/* we're ready to to talk to host after enable */
70#define HMB_DATA_FC		0x04	/* per prio flowcontrol update flag to host */
71#define HMB_DATA_FWREADY	0x08	/* firmware is ready for protocol activity */
72#define HMB_DATA_FWHALT		0x10	/* firmware has halted operation */
73
74#define HMB_DATA_FCDATA_MASK	0xff000000	/* per prio flowcontrol data */
75#define HMB_DATA_FCDATA_SHIFT	24		/* per prio flowcontrol data */
76
77#define HMB_DATA_VERSION_MASK	0x00ff0000	/* device protocol version (with devready) */
78#define HMB_DATA_VERSION_SHIFT	16		/* device protocol version (with devready) */
79
80/*
81 * Software-defined protocol header
82 */
83
84/* Current protocol version */
85#define SDPCM_PROT_VERSION	4
86
87/* SW frame header */
88#define SDPCM_SEQUENCE_MASK		0x000000ff	/* Sequence Number Mask */
89#define SDPCM_PACKET_SEQUENCE(p) (((uint8 *)p)[0] & 0xff) /* p starts w/SW Header */
90
91#define SDPCM_CHANNEL_MASK		0x00000f00	/* Channel Number Mask */
92#define SDPCM_CHANNEL_SHIFT		8		/* Channel Number Shift */
93#define SDPCM_PACKET_CHANNEL(p) (((uint8 *)p)[1] & 0x0f) /* p starts w/SW Header */
94
95#define SDPCM_FLAGS_MASK		0x0000f000	/* Mask of flag bits */
96#define SDPCM_FLAGS_SHIFT		12		/* Flag bits shift */
97#define SDPCM_PACKET_FLAGS(p) ((((uint8 *)p)[1] & 0xf0) >> 4) /* p starts w/SW Header */
98
99/* Next Read Len: lookahead length of next frame, in 16-byte units (rounded up) */
100#define SDPCM_NEXTLEN_MASK		0x00ff0000	/* Next Read Len Mask */
101#define SDPCM_NEXTLEN_SHIFT		16		/* Next Read Len Shift */
102#define SDPCM_NEXTLEN_VALUE(p) ((((uint8 *)p)[2] & 0xff) << 4) /* p starts w/SW Header */
103#define SDPCM_NEXTLEN_OFFSET		2
104
105/* Data Offset from SOF (HW Tag, SW Tag, Pad) */
106#define SDPCM_DOFFSET_OFFSET		3		/* Data Offset */
107#define SDPCM_DOFFSET_VALUE(p) 		(((uint8 *)p)[SDPCM_DOFFSET_OFFSET] & 0xff)
108#define SDPCM_DOFFSET_MASK		0xff000000
109#define SDPCM_DOFFSET_SHIFT		24
110
111#define SDPCM_FCMASK_OFFSET		4		/* Flow control */
112#define SDPCM_FCMASK_VALUE(p)		(((uint8 *)p)[SDPCM_FCMASK_OFFSET ] & 0xff)
113#define SDPCM_WINDOW_OFFSET		5		/* Credit based fc */
114#define SDPCM_WINDOW_VALUE(p)		(((uint8 *)p)[SDPCM_WINDOW_OFFSET] & 0xff)
115#define SDPCM_VERSION_OFFSET		6		/* Version # */
116#define SDPCM_VERSION_VALUE(p)		(((uint8 *)p)[SDPCM_VERSION_OFFSET] & 0xff)
117#define SDPCM_UNUSED_OFFSET		7		/* Spare */
118#define SDPCM_UNUSED_VALUE(p)		(((uint8 *)p)[SDPCM_UNUSED_OFFSET] & 0xff)
119
120#define SDPCM_SWHEADER_LEN	8	/* SW header is 64 bits */
121
122/* logical channel numbers */
123#define SDPCM_CONTROL_CHANNEL	0	/* Control Request/Response Channel Id */
124#define SDPCM_EVENT_CHANNEL	1	/* Asyc Event Indication Channel Id */
125#define SDPCM_DATA_CHANNEL	2	/* Data Xmit/Recv Channel Id */
126#define SDPCM_GLOM_CHANNEL	3	/* For coalesced packets (superframes) */
127#define SDPCM_TEST_CHANNEL	15	/* Reserved for test/debug packets */
128#define SDPCM_MAX_CHANNEL	15
129
130#define SDPCM_SEQUENCE_WRAP	256	/* wrap-around val for eight-bit frame seq number */
131
132#define SDPCM_FLAG_RESVD0	0x01
133#define SDPCM_FLAG_RESVD1	0x02
134#define SDPCM_FLAG_GSPI_TXENAB	0x04
135#define SDPCM_FLAG_GLOMDESC	0x08	/* Superframe descriptor mask */
136
137/* For GLOM_CHANNEL frames, use a flag to indicate descriptor frame */
138#define SDPCM_GLOMDESC_FLAG	(SDPCM_FLAG_GLOMDESC << SDPCM_FLAGS_SHIFT)
139
140#define SDPCM_GLOMDESC(p)	(((uint8 *)p)[1] & 0x80)
141
142/* For TEST_CHANNEL packets, define another 4-byte header */
143#define SDPCM_TEST_HDRLEN	4	/* Generally: Cmd(1), Ext(1), Len(2);
144					 * Semantics of Ext byte depend on command.
145					 * Len is current or requested frame length, not
146					 * including test header; sent little-endian.
147					 */
148#define SDPCM_TEST_DISCARD	0x01	/* Receiver discards. Ext is a pattern id. */
149#define SDPCM_TEST_ECHOREQ	0x02	/* Echo request. Ext is a pattern id. */
150#define SDPCM_TEST_ECHORSP	0x03	/* Echo response. Ext is a pattern id. */
151#define SDPCM_TEST_BURST	0x04	/* Receiver to send a burst. Ext is a frame count */
152#define SDPCM_TEST_SEND		0x05	/* Receiver sets send mode. Ext is boolean on/off */
153
154/* Handy macro for filling in datagen packets with a pattern */
155#define SDPCM_TEST_FILL(byteno, id)	((uint8)(id + byteno))
156
157/*
158 * Software counters (first part matches hardware counters)
159 */
160
161typedef volatile struct {
162	uint32 cmd52rd;		/* Cmd52RdCount, SDIO: cmd52 reads */
163	uint32 cmd52wr;		/* Cmd52WrCount, SDIO: cmd52 writes */
164	uint32 cmd53rd;		/* Cmd53RdCount, SDIO: cmd53 reads */
165	uint32 cmd53wr;		/* Cmd53WrCount, SDIO: cmd53 writes */
166	uint32 abort;		/* AbortCount, SDIO: aborts */
167	uint32 datacrcerror;	/* DataCrcErrorCount, SDIO: frames w/CRC error */
168	uint32 rdoutofsync;	/* RdOutOfSyncCount, SDIO/PCMCIA: Rd Frm out of sync */
169	uint32 wroutofsync;	/* RdOutOfSyncCount, SDIO/PCMCIA: Wr Frm out of sync */
170	uint32 writebusy;	/* WriteBusyCount, SDIO: device asserted "busy" */
171	uint32 readwait;	/* ReadWaitCount, SDIO: no data ready for a read cmd */
172	uint32 readterm;	/* ReadTermCount, SDIO: read frame termination cmds */
173	uint32 writeterm;	/* WriteTermCount, SDIO: write frames termination cmds */
174	uint32 rxdescuflo;	/* receive descriptor underflows */
175	uint32 rxfifooflo;	/* receive fifo overflows */
176	uint32 txfifouflo;	/* transmit fifo underflows */
177	uint32 runt;		/* runt (too short) frames recv'd from bus */
178	uint32 badlen;		/* frame's rxh len does not match its hw tag len */
179	uint32 badcksum;	/* frame's hw tag chksum doesn't agree with len value */
180	uint32 seqbreak;	/* break in sequence # space from one rx frame to the next */
181	uint32 rxfcrc;		/* frame rx header indicates crc error */
182	uint32 rxfwoos;		/* frame rx header indicates write out of sync */
183	uint32 rxfwft;		/* frame rx header indicates write frame termination */
184	uint32 rxfabort;	/* frame rx header indicates frame aborted */
185	uint32 woosint;		/* write out of sync interrupt */
186	uint32 roosint;		/* read out of sync interrupt */
187	uint32 rftermint;	/* read frame terminate interrupt */
188	uint32 wftermint;	/* write frame terminate interrupt */
189} sdpcmd_cnt_t;
190
191/*
192 * Register Access Macros
193 */
194
195#define SDIODREV_IS(var, val)	((var) == (val))
196#define SDIODREV_GE(var, val)	((var) >= (val))
197#define SDIODREV_GT(var, val)	((var) > (val))
198#define SDIODREV_LT(var, val)	((var) < (val))
199#define SDIODREV_LE(var, val)	((var) <= (val))
200
201#define SDIODDMAREG32(h, dir, chnl) \
202	((dir) == DMA_TX ? \
203	 (void *)(uintptr)&((h)->regs->dma.sdiod32.dma32regs[chnl].xmt) : \
204	 (void *)(uintptr)&((h)->regs->dma.sdiod32.dma32regs[chnl].rcv))
205
206#define SDIODDMAREG64(h, dir, chnl) \
207	((dir) == DMA_TX ? \
208	 (void *)(uintptr)&((h)->regs->dma.sdiod64.dma64regs[chnl].xmt) : \
209	 (void *)(uintptr)&((h)->regs->dma.sdiod64.dma64regs[chnl].rcv))
210
211#define SDIODDMAREG(h, dir, chnl) \
212	(SDIODREV_LT((h)->corerev, 1) ? \
213	 SDIODDMAREG32((h), (dir), (chnl)) : \
214	 SDIODDMAREG64((h), (dir), (chnl)))
215
216#define PCMDDMAREG(h, dir, chnl) \
217	((dir) == DMA_TX ? \
218	 (void *)(uintptr)&((h)->regs->dma.pcm32.dmaregs.xmt) : \
219	 (void *)(uintptr)&((h)->regs->dma.pcm32.dmaregs.rcv))
220
221#define SDPCMDMAREG(h, dir, chnl, coreid) \
222	((coreid) == SDIOD_CORE_ID ? \
223	 SDIODDMAREG(h, dir, chnl) : \
224	 PCMDDMAREG(h, dir, chnl))
225
226#define SDIODFIFOREG(h, corerev) \
227	(SDIODREV_LT((corerev), 1) ? \
228	 ((dma32diag_t *)(uintptr)&((h)->regs->dma.sdiod32.dmafifo)) : \
229	 ((dma32diag_t *)(uintptr)&((h)->regs->dma.sdiod64.dmafifo)))
230
231#define PCMDFIFOREG(h) \
232	((dma32diag_t *)(uintptr)&((h)->regs->dma.pcm32.dmafifo))
233
234#define SDPCMFIFOREG(h, coreid, corerev) \
235	((coreid) == SDIOD_CORE_ID ? \
236	 SDIODFIFOREG(h, corerev) : \
237	 PCMDFIFOREG(h))
238
239/*
240 * Shared structure between dongle and the host.
241 * The structure contains pointers to trap or assert information.
242 */
243#define SDPCM_SHARED_VERSION       0x0001
244#define SDPCM_SHARED_VERSION_MASK  0x00FF
245#define SDPCM_SHARED_ASSERT_BUILT  0x0100
246#define SDPCM_SHARED_ASSERT        0x0200
247#define SDPCM_SHARED_TRAP          0x0400
248#define SDPCM_SHARED_IN_BRPT       0x0800
249#define SDPCM_SHARED_SET_BRPT      0x1000
250#define SDPCM_SHARED_PENDING_BRPT  0x2000
251
252typedef struct {
253	uint32	flags;
254	uint32  trap_addr;
255	uint32  assert_exp_addr;
256	uint32  assert_file_addr;
257	uint32  assert_line;
258	uint32	console_addr;		/* Address of hndrte_cons_t */
259	uint32  msgtrace_addr;
260	uint32  fwid;
261} sdpcm_shared_t;
262
263extern sdpcm_shared_t sdpcm_shared;
264
265/* Function can be used to notify host of FW halt */
266extern void sdpcmd_fwhalt(void);
267
268#endif	/* _bcmsdpcm_h_ */
269