1 /*
2  * Tsi721 PCIExpress-to-SRIO bridge definitions
3  *
4  * Copyright 2011, Integrated Device Technology, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License as published by the Free
8  * Software Foundation; either version 2 of the License, or (at your option)
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
14  * more details.
15  *
16  * You should have received a copy of the GNU General Public License along with
17  * this program; if not, write to the Free Software Foundation, Inc., 59
18  * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19  */
20 
21 #ifndef __TSI721_H
22 #define __TSI721_H
23 
24 #define DRV_NAME	"tsi721"
25 
26 #define DEFAULT_HOPCOUNT	0xff
27 #define DEFAULT_DESTID		0xff
28 
29 /* PCI device ID */
30 #define PCI_DEVICE_ID_TSI721		0x80ab
31 
32 #define BAR_0	0
33 #define BAR_1	1
34 #define BAR_2	2
35 #define BAR_4	4
36 
37 #define TSI721_PC2SR_BARS	2
38 #define TSI721_PC2SR_WINS	8
39 #define TSI721_PC2SR_ZONES	8
40 #define TSI721_MAINT_WIN	0 /* Window for outbound maintenance requests */
41 #define IDB_QUEUE		0 /* Inbound Doorbell Queue to use */
42 #define IDB_QSIZE		512 /* Inbound Doorbell Queue size */
43 
44 /* Memory space sizes */
45 #define TSI721_REG_SPACE_SIZE		(512 * 1024) /* 512K */
46 #define TSI721_DB_WIN_SIZE		(16 * 1024 * 1024) /* 16MB */
47 
48 #define  RIO_TT_CODE_8		0x00000000
49 #define  RIO_TT_CODE_16		0x00000001
50 
51 #define TSI721_DMA_MAXCH	8
52 #define TSI721_DMA_MINSTSSZ	32
53 #define TSI721_DMA_STSBLKSZ	8
54 
55 #define TSI721_SRIO_MAXCH	8
56 
57 #define DBELL_SID(buf)		(((u8)buf[2] << 8) | (u8)buf[3])
58 #define DBELL_TID(buf)		(((u8)buf[4] << 8) | (u8)buf[5])
59 #define DBELL_INF(buf)		(((u8)buf[0] << 8) | (u8)buf[1])
60 
61 #define TSI721_RIO_PW_MSG_SIZE	16  /* Tsi721 saves only 16 bytes of PW msg */
62 
63 /* Register definitions */
64 
65 /*
66  * Registers in PCIe configuration space
67  */
68 
69 #define TSI721_PCIECFG_MSIXTBL	0x0a4
70 #define TSI721_MSIXTBL_OFFSET	0x2c000
71 #define TSI721_PCIECFG_MSIXPBA	0x0a8
72 #define TSI721_MSIXPBA_OFFSET	0x2a000
73 #define TSI721_PCIECFG_EPCTL	0x400
74 
75 #define MAX_READ_REQUEST_SZ_SHIFT	12
76 
77 /*
78  * Event Management Registers
79  */
80 
81 #define TSI721_RIO_EM_INT_STAT		0x10910
82 #define TSI721_RIO_EM_INT_STAT_PW_RX	0x00010000
83 
84 #define TSI721_RIO_EM_INT_ENABLE	0x10914
85 #define TSI721_RIO_EM_INT_ENABLE_PW_RX	0x00010000
86 
87 #define TSI721_RIO_EM_DEV_INT_EN	0x10930
88 #define TSI721_RIO_EM_DEV_INT_EN_INT	0x00000001
89 
90 /*
91  * Port-Write Block Registers
92  */
93 
94 #define TSI721_RIO_PW_CTL		0x10a04
95 #define TSI721_RIO_PW_CTL_PW_TIMER	0xf0000000
96 #define TSI721_RIO_PW_CTL_PWT_DIS	(0 << 28)
97 #define TSI721_RIO_PW_CTL_PWT_103	(1 << 28)
98 #define TSI721_RIO_PW_CTL_PWT_205	(1 << 29)
99 #define TSI721_RIO_PW_CTL_PWT_410	(1 << 30)
100 #define TSI721_RIO_PW_CTL_PWT_820	(1 << 31)
101 #define TSI721_RIO_PW_CTL_PWC_MODE	0x01000000
102 #define TSI721_RIO_PW_CTL_PWC_CONT	0x00000000
103 #define TSI721_RIO_PW_CTL_PWC_REL	0x01000000
104 
105 #define TSI721_RIO_PW_RX_STAT		0x10a10
106 #define TSI721_RIO_PW_RX_STAT_WR_SIZE	0x0000f000
107 #define TSI_RIO_PW_RX_STAT_WDPTR	0x00000100
108 #define TSI721_RIO_PW_RX_STAT_PW_SHORT	0x00000008
109 #define TSI721_RIO_PW_RX_STAT_PW_TRUNC	0x00000004
110 #define TSI721_RIO_PW_RX_STAT_PW_DISC	0x00000002
111 #define TSI721_RIO_PW_RX_STAT_PW_VAL	0x00000001
112 
113 #define TSI721_RIO_PW_RX_CAPT(x)	(0x10a20 + (x)*4)
114 
115 /*
116  * Inbound Doorbells
117  */
118 
119 #define TSI721_IDB_ENTRY_SIZE	64
120 
121 #define TSI721_IDQ_CTL(x)	(0x20000 + (x) * 0x1000)
122 #define TSI721_IDQ_SUSPEND	0x00000002
123 #define TSI721_IDQ_INIT		0x00000001
124 
125 #define TSI721_IDQ_STS(x)	(0x20004 + (x) * 0x1000)
126 #define TSI721_IDQ_RUN		0x00200000
127 
128 #define TSI721_IDQ_MASK(x)	(0x20008 + (x) * 0x1000)
129 #define TSI721_IDQ_MASK_MASK	0xffff0000
130 #define TSI721_IDQ_MASK_PATT	0x0000ffff
131 
132 #define TSI721_IDQ_RP(x)	(0x2000c + (x) * 0x1000)
133 #define TSI721_IDQ_RP_PTR	0x0007ffff
134 
135 #define TSI721_IDQ_WP(x)	(0x20010 + (x) * 0x1000)
136 #define TSI721_IDQ_WP_PTR	0x0007ffff
137 
138 #define TSI721_IDQ_BASEL(x)	(0x20014 + (x) * 0x1000)
139 #define TSI721_IDQ_BASEL_ADDR	0xffffffc0
140 #define TSI721_IDQ_BASEU(x)	(0x20018 + (x) * 0x1000)
141 #define TSI721_IDQ_SIZE(x)	(0x2001c + (x) * 0x1000)
142 #define TSI721_IDQ_SIZE_VAL(size)	(__fls(size) - 4)
143 #define TSI721_IDQ_SIZE_MIN	512
144 #define TSI721_IDQ_SIZE_MAX	(512 * 1024)
145 
146 #define TSI721_SR_CHINT(x)	(0x20040 + (x) * 0x1000)
147 #define TSI721_SR_CHINTE(x)	(0x20044 + (x) * 0x1000)
148 #define TSI721_SR_CHINTSET(x)	(0x20048 + (x) * 0x1000)
149 #define TSI721_SR_CHINT_ODBOK	0x00000020
150 #define TSI721_SR_CHINT_IDBQRCV	0x00000010
151 #define TSI721_SR_CHINT_SUSP	0x00000008
152 #define TSI721_SR_CHINT_ODBTO	0x00000004
153 #define TSI721_SR_CHINT_ODBRTRY	0x00000002
154 #define TSI721_SR_CHINT_ODBERR	0x00000001
155 #define TSI721_SR_CHINT_ALL	0x0000003f
156 
157 #define TSI721_IBWIN_NUM	8
158 
159 #define TSI721_IBWINLB(x)	(0x29000 + (x) * 0x20)
160 #define TSI721_IBWINLB_BA	0xfffff000
161 #define TSI721_IBWINLB_WEN	0x00000001
162 
163 #define TSI721_SR2PC_GEN_INTE	0x29800
164 #define TSI721_SR2PC_PWE	0x29804
165 #define TSI721_SR2PC_GEN_INT	0x29808
166 
167 #define TSI721_DEV_INTE		0x29840
168 #define TSI721_DEV_INT		0x29844
169 #define TSI721_DEV_INTSET	0x29848
170 #define TSI721_DEV_INT_SMSG_CH	0x00000800
171 #define TSI721_DEV_INT_SMSG_NCH	0x00000400
172 #define TSI721_DEV_INT_SR2PC_CH	0x00000200
173 #define TSI721_DEV_INT_SRIO	0x00000020
174 
175 #define TSI721_DEV_CHAN_INTE	0x2984c
176 #define TSI721_DEV_CHAN_INT	0x29850
177 
178 #define TSI721_INT_SR2PC_CHAN_M	0xff000000
179 #define TSI721_INT_SR2PC_CHAN(x) (1 << (24 + (x)))
180 #define TSI721_INT_IMSG_CHAN_M	0x00ff0000
181 #define TSI721_INT_IMSG_CHAN(x)	(1 << (16 + (x)))
182 #define TSI721_INT_OMSG_CHAN_M	0x0000ff00
183 #define TSI721_INT_OMSG_CHAN(x)	(1 << (8 + (x)))
184 
185 /*
186  * PC2SR block registers
187  */
188 #define TSI721_OBWIN_NUM	TSI721_PC2SR_WINS
189 
190 #define TSI721_OBWINLB(x)	(0x40000 + (x) * 0x20)
191 #define TSI721_OBWINLB_BA	0xffff8000
192 #define TSI721_OBWINLB_WEN	0x00000001
193 
194 #define TSI721_OBWINUB(x)	(0x40004 + (x) * 0x20)
195 
196 #define TSI721_OBWINSZ(x)	(0x40008 + (x) * 0x20)
197 #define TSI721_OBWINSZ_SIZE	0x00001f00
198 #define TSI721_OBWIN_SIZE(size)	(__fls(size) - 15)
199 
200 #define TSI721_ZONE_SEL		0x41300
201 #define TSI721_ZONE_SEL_RD_WRB	0x00020000
202 #define TSI721_ZONE_SEL_GO	0x00010000
203 #define TSI721_ZONE_SEL_WIN	0x00000038
204 #define TSI721_ZONE_SEL_ZONE	0x00000007
205 
206 #define TSI721_LUT_DATA0	0x41304
207 #define TSI721_LUT_DATA0_ADD	0xfffff000
208 #define TSI721_LUT_DATA0_RDTYPE	0x00000f00
209 #define TSI721_LUT_DATA0_NREAD	0x00000100
210 #define TSI721_LUT_DATA0_MNTRD	0x00000200
211 #define TSI721_LUT_DATA0_RDCRF	0x00000020
212 #define TSI721_LUT_DATA0_WRCRF	0x00000010
213 #define TSI721_LUT_DATA0_WRTYPE	0x0000000f
214 #define TSI721_LUT_DATA0_NWR	0x00000001
215 #define TSI721_LUT_DATA0_MNTWR	0x00000002
216 #define TSI721_LUT_DATA0_NWR_R	0x00000004
217 
218 #define TSI721_LUT_DATA1	0x41308
219 
220 #define TSI721_LUT_DATA2	0x4130c
221 #define TSI721_LUT_DATA2_HC	0xff000000
222 #define TSI721_LUT_DATA2_ADD65	0x000c0000
223 #define TSI721_LUT_DATA2_TT	0x00030000
224 #define TSI721_LUT_DATA2_DSTID	0x0000ffff
225 
226 #define TSI721_PC2SR_INTE	0x41310
227 
228 #define TSI721_DEVCTL		0x48004
229 #define TSI721_DEVCTL_SRBOOT_CMPL	0x00000004
230 
231 #define TSI721_I2C_INT_ENABLE	0x49120
232 
233 /*
234  * Block DMA Engine Registers
235  *   x = 0..7
236  */
237 
238 #define TSI721_DMAC_DWRCNT(x)	(0x51000 + (x) * 0x1000)
239 #define TSI721_DMAC_DRDCNT(x)	(0x51004 + (x) * 0x1000)
240 
241 #define TSI721_DMAC_CTL(x)	(0x51008 + (x) * 0x1000)
242 #define TSI721_DMAC_CTL_SUSP	0x00000002
243 #define TSI721_DMAC_CTL_INIT	0x00000001
244 
245 #define TSI721_DMAC_INT(x)	(0x5100c + (x) * 0x1000)
246 #define TSI721_DMAC_INT_STFULL	0x00000010
247 #define TSI721_DMAC_INT_DONE	0x00000008
248 #define TSI721_DMAC_INT_SUSP	0x00000004
249 #define TSI721_DMAC_INT_ERR	0x00000002
250 #define TSI721_DMAC_INT_IOFDONE	0x00000001
251 #define TSI721_DMAC_INT_ALL	0x0000001f
252 
253 #define TSI721_DMAC_INTSET(x)	(0x51010 + (x) * 0x1000)
254 
255 #define TSI721_DMAC_STS(x)	(0x51014 + (x) * 0x1000)
256 #define TSI721_DMAC_STS_ABORT	0x00400000
257 #define TSI721_DMAC_STS_RUN	0x00200000
258 #define TSI721_DMAC_STS_CS	0x001f0000
259 
260 #define TSI721_DMAC_INTE(x)	(0x51018 + (x) * 0x1000)
261 
262 #define TSI721_DMAC_DPTRL(x)	(0x51024 + (x) * 0x1000)
263 #define TSI721_DMAC_DPTRL_MASK	0xffffffe0
264 
265 #define TSI721_DMAC_DPTRH(x)	(0x51028 + (x) * 0x1000)
266 
267 #define TSI721_DMAC_DSBL(x)	(0x5102c + (x) * 0x1000)
268 #define TSI721_DMAC_DSBL_MASK	0xffffffc0
269 
270 #define TSI721_DMAC_DSBH(x)	(0x51030 + (x) * 0x1000)
271 
272 #define TSI721_DMAC_DSSZ(x)	(0x51034 + (x) * 0x1000)
273 #define TSI721_DMAC_DSSZ_SIZE_M	0x0000000f
274 #define TSI721_DMAC_DSSZ_SIZE(size)	(__fls(size) - 4)
275 
276 
277 #define TSI721_DMAC_DSRP(x)	(0x51038 + (x) * 0x1000)
278 #define TSI721_DMAC_DSRP_MASK	0x0007ffff
279 
280 #define TSI721_DMAC_DSWP(x)	(0x5103c + (x) * 0x1000)
281 #define TSI721_DMAC_DSWP_MASK	0x0007ffff
282 
283 #define TSI721_BDMA_INTE	0x5f000
284 
285 /*
286  * Messaging definitions
287  */
288 #define TSI721_MSG_BUFFER_SIZE		RIO_MAX_MSG_SIZE
289 #define TSI721_MSG_MAX_SIZE		RIO_MAX_MSG_SIZE
290 #define TSI721_IMSG_MAXCH		8
291 #define TSI721_IMSG_CHNUM		TSI721_IMSG_MAXCH
292 #define TSI721_IMSGD_MIN_RING_SIZE	32
293 #define TSI721_IMSGD_RING_SIZE		512
294 
295 #define TSI721_OMSG_CHNUM		4 /* One channel per MBOX */
296 #define TSI721_OMSGD_MIN_RING_SIZE	32
297 #define TSI721_OMSGD_RING_SIZE		512
298 
299 /*
300  * Outbound Messaging Engine Registers
301  *   x = 0..7
302  */
303 
304 #define TSI721_OBDMAC_DWRCNT(x)		(0x61000 + (x) * 0x1000)
305 
306 #define TSI721_OBDMAC_DRDCNT(x)		(0x61004 + (x) * 0x1000)
307 
308 #define TSI721_OBDMAC_CTL(x)		(0x61008 + (x) * 0x1000)
309 #define TSI721_OBDMAC_CTL_MASK		0x00000007
310 #define TSI721_OBDMAC_CTL_RETRY_THR	0x00000004
311 #define TSI721_OBDMAC_CTL_SUSPEND	0x00000002
312 #define TSI721_OBDMAC_CTL_INIT		0x00000001
313 
314 #define TSI721_OBDMAC_INT(x)		(0x6100c + (x) * 0x1000)
315 #define TSI721_OBDMAC_INTSET(x)		(0x61010 + (x) * 0x1000)
316 #define TSI721_OBDMAC_INTE(x)		(0x61018 + (x) * 0x1000)
317 #define TSI721_OBDMAC_INT_MASK		0x0000001F
318 #define TSI721_OBDMAC_INT_ST_FULL	0x00000010
319 #define TSI721_OBDMAC_INT_DONE		0x00000008
320 #define TSI721_OBDMAC_INT_SUSPENDED	0x00000004
321 #define TSI721_OBDMAC_INT_ERROR		0x00000002
322 #define TSI721_OBDMAC_INT_IOF_DONE	0x00000001
323 #define TSI721_OBDMAC_INT_ALL		TSI721_OBDMAC_INT_MASK
324 
325 #define TSI721_OBDMAC_STS(x)		(0x61014 + (x) * 0x1000)
326 #define TSI721_OBDMAC_STS_MASK		0x007f0000
327 #define TSI721_OBDMAC_STS_ABORT		0x00400000
328 #define TSI721_OBDMAC_STS_RUN		0x00200000
329 #define TSI721_OBDMAC_STS_CS		0x001f0000
330 
331 #define TSI721_OBDMAC_PWE(x)		(0x6101c + (x) * 0x1000)
332 #define TSI721_OBDMAC_PWE_MASK		0x00000002
333 #define TSI721_OBDMAC_PWE_ERROR_EN	0x00000002
334 
335 #define TSI721_OBDMAC_DPTRL(x)		(0x61020 + (x) * 0x1000)
336 #define TSI721_OBDMAC_DPTRL_MASK	0xfffffff0
337 
338 #define TSI721_OBDMAC_DPTRH(x)		(0x61024 + (x) * 0x1000)
339 #define TSI721_OBDMAC_DPTRH_MASK	0xffffffff
340 
341 #define TSI721_OBDMAC_DSBL(x)		(0x61040 + (x) * 0x1000)
342 #define TSI721_OBDMAC_DSBL_MASK		0xffffffc0
343 
344 #define TSI721_OBDMAC_DSBH(x)		(0x61044 + (x) * 0x1000)
345 #define TSI721_OBDMAC_DSBH_MASK		0xffffffff
346 
347 #define TSI721_OBDMAC_DSSZ(x)		(0x61048 + (x) * 0x1000)
348 #define TSI721_OBDMAC_DSSZ_MASK		0x0000000f
349 
350 #define TSI721_OBDMAC_DSRP(x)		(0x6104c + (x) * 0x1000)
351 #define TSI721_OBDMAC_DSRP_MASK		0x0007ffff
352 
353 #define TSI721_OBDMAC_DSWP(x)		(0x61050 + (x) * 0x1000)
354 #define TSI721_OBDMAC_DSWP_MASK		0x0007ffff
355 
356 #define TSI721_RQRPTO			0x60010
357 #define TSI721_RQRPTO_MASK		0x00ffffff
358 #define TSI721_RQRPTO_VAL		400	/* Response TO value */
359 
360 /*
361  * Inbound Messaging Engine Registers
362  *   x = 0..7
363  */
364 
365 #define TSI721_IB_DEVID_GLOBAL		0xffff
366 #define TSI721_IBDMAC_FQBL(x)		(0x61200 + (x) * 0x1000)
367 #define TSI721_IBDMAC_FQBL_MASK		0xffffffc0
368 
369 #define TSI721_IBDMAC_FQBH(x)		(0x61204 + (x) * 0x1000)
370 #define TSI721_IBDMAC_FQBH_MASK		0xffffffff
371 
372 #define TSI721_IBDMAC_FQSZ_ENTRY_INX	TSI721_IMSGD_RING_SIZE
373 #define TSI721_IBDMAC_FQSZ(x)		(0x61208 + (x) * 0x1000)
374 #define TSI721_IBDMAC_FQSZ_MASK		0x0000000f
375 
376 #define TSI721_IBDMAC_FQRP(x)		(0x6120c + (x) * 0x1000)
377 #define TSI721_IBDMAC_FQRP_MASK		0x0007ffff
378 
379 #define TSI721_IBDMAC_FQWP(x)		(0x61210 + (x) * 0x1000)
380 #define TSI721_IBDMAC_FQWP_MASK		0x0007ffff
381 
382 #define TSI721_IBDMAC_FQTH(x)		(0x61214 + (x) * 0x1000)
383 #define TSI721_IBDMAC_FQTH_MASK		0x0007ffff
384 
385 #define TSI721_IB_DEVID			0x60020
386 #define TSI721_IB_DEVID_MASK		0x0000ffff
387 
388 #define TSI721_IBDMAC_CTL(x)		(0x61240 + (x) * 0x1000)
389 #define TSI721_IBDMAC_CTL_MASK		0x00000003
390 #define TSI721_IBDMAC_CTL_SUSPEND	0x00000002
391 #define TSI721_IBDMAC_CTL_INIT		0x00000001
392 
393 #define TSI721_IBDMAC_STS(x)		(0x61244 + (x) * 0x1000)
394 #define TSI721_IBDMAC_STS_MASK		0x007f0000
395 #define TSI721_IBSMAC_STS_ABORT		0x00400000
396 #define TSI721_IBSMAC_STS_RUN		0x00200000
397 #define TSI721_IBSMAC_STS_CS		0x001f0000
398 
399 #define TSI721_IBDMAC_INT(x)		(0x61248 + (x) * 0x1000)
400 #define TSI721_IBDMAC_INTSET(x)		(0x6124c + (x) * 0x1000)
401 #define TSI721_IBDMAC_INTE(x)		(0x61250 + (x) * 0x1000)
402 #define TSI721_IBDMAC_INT_MASK		0x0000100f
403 #define TSI721_IBDMAC_INT_SRTO		0x00001000
404 #define TSI721_IBDMAC_INT_SUSPENDED	0x00000008
405 #define TSI721_IBDMAC_INT_PC_ERROR	0x00000004
406 #define TSI721_IBDMAC_INT_FQ_LOW	0x00000002
407 #define TSI721_IBDMAC_INT_DQ_RCV	0x00000001
408 #define TSI721_IBDMAC_INT_ALL		TSI721_IBDMAC_INT_MASK
409 
410 #define TSI721_IBDMAC_PWE(x)		(0x61254 + (x) * 0x1000)
411 #define TSI721_IBDMAC_PWE_MASK		0x00001700
412 #define TSI721_IBDMAC_PWE_SRTO		0x00001000
413 #define TSI721_IBDMAC_PWE_ILL_FMT	0x00000400
414 #define TSI721_IBDMAC_PWE_ILL_DEC	0x00000200
415 #define TSI721_IBDMAC_PWE_IMP_SP	0x00000100
416 
417 #define TSI721_IBDMAC_DQBL(x)		(0x61300 + (x) * 0x1000)
418 #define TSI721_IBDMAC_DQBL_MASK		0xffffffc0
419 #define TSI721_IBDMAC_DQBL_ADDR		0xffffffc0
420 
421 #define TSI721_IBDMAC_DQBH(x)		(0x61304 + (x) * 0x1000)
422 #define TSI721_IBDMAC_DQBH_MASK		0xffffffff
423 
424 #define TSI721_IBDMAC_DQRP(x)		(0x61308 + (x) * 0x1000)
425 #define TSI721_IBDMAC_DQRP_MASK		0x0007ffff
426 
427 #define TSI721_IBDMAC_DQWR(x)		(0x6130c + (x) * 0x1000)
428 #define TSI721_IBDMAC_DQWR_MASK		0x0007ffff
429 
430 #define TSI721_IBDMAC_DQSZ(x)		(0x61314 + (x) * 0x1000)
431 #define TSI721_IBDMAC_DQSZ_MASK		0x0000000f
432 
433 /*
434  * Messaging Engine Interrupts
435  */
436 
437 #define TSI721_SMSG_PWE			0x6a004
438 
439 #define TSI721_SMSG_INTE		0x6a000
440 #define TSI721_SMSG_INT			0x6a008
441 #define TSI721_SMSG_INTSET		0x6a010
442 #define TSI721_SMSG_INT_MASK		0x0086ffff
443 #define TSI721_SMSG_INT_UNS_RSP		0x00800000
444 #define TSI721_SMSG_INT_ECC_NCOR	0x00040000
445 #define TSI721_SMSG_INT_ECC_COR		0x00020000
446 #define TSI721_SMSG_INT_ECC_NCOR_CH	0x0000ff00
447 #define TSI721_SMSG_INT_ECC_COR_CH	0x000000ff
448 
449 #define TSI721_SMSG_ECC_LOG		0x6a014
450 #define TSI721_SMSG_ECC_LOG_MASK	0x00070007
451 #define TSI721_SMSG_ECC_LOG_ECC_NCOR_M	0x00070000
452 #define TSI721_SMSG_ECC_LOG_ECC_COR_M	0x00000007
453 
454 #define TSI721_RETRY_GEN_CNT		0x6a100
455 #define TSI721_RETRY_GEN_CNT_MASK	0xffffffff
456 
457 #define TSI721_RETRY_RX_CNT		0x6a104
458 #define TSI721_RETRY_RX_CNT_MASK	0xffffffff
459 
460 #define TSI721_SMSG_ECC_COR_LOG(x)	(0x6a300 + (x) * 4)
461 #define TSI721_SMSG_ECC_COR_LOG_MASK	0x000000ff
462 
463 #define TSI721_SMSG_ECC_NCOR(x)		(0x6a340 + (x) * 4)
464 #define TSI721_SMSG_ECC_NCOR_MASK	0x000000ff
465 
466 /*
467  * Block DMA Descriptors
468  */
469 
470 struct tsi721_dma_desc {
471 	__le32 type_id;
472 
473 #define TSI721_DMAD_DEVID	0x0000ffff
474 #define TSI721_DMAD_CRF		0x00010000
475 #define TSI721_DMAD_PRIO	0x00060000
476 #define TSI721_DMAD_RTYPE	0x00780000
477 #define TSI721_DMAD_IOF		0x08000000
478 #define TSI721_DMAD_DTYPE	0xe0000000
479 
480 	__le32 bcount;
481 
482 #define TSI721_DMAD_BCOUNT1	0x03ffffff /* if DTYPE == 1 */
483 #define TSI721_DMAD_BCOUNT2	0x0000000f /* if DTYPE == 2 */
484 #define TSI721_DMAD_TT		0x0c000000
485 #define TSI721_DMAD_RADDR0	0xc0000000
486 
487 	union {
488 		__le32 raddr_lo;	   /* if DTYPE == (1 || 2) */
489 		__le32 next_lo;		   /* if DTYPE == 3 */
490 	};
491 
492 #define TSI721_DMAD_CFGOFF	0x00ffffff
493 #define TSI721_DMAD_HOPCNT	0xff000000
494 
495 	union {
496 		__le32 raddr_hi;	   /* if DTYPE == (1 || 2) */
497 		__le32 next_hi;		   /* if DTYPE == 3 */
498 	};
499 
500 	union {
501 		struct {		   /* if DTYPE == 1 */
502 			__le32 bufptr_lo;
503 			__le32 bufptr_hi;
504 			__le32 s_dist;
505 			__le32 s_size;
506 		} t1;
507 		__le32 data[4];		   /* if DTYPE == 2 */
508 		u32    reserved[4];	   /* if DTYPE == 3 */
509 	};
510 } __aligned(32);
511 
512 /*
513  * Inbound Messaging Descriptor
514  */
515 struct tsi721_imsg_desc {
516 	__le32 type_id;
517 
518 #define TSI721_IMD_DEVID	0x0000ffff
519 #define TSI721_IMD_CRF		0x00010000
520 #define TSI721_IMD_PRIO		0x00060000
521 #define TSI721_IMD_TT		0x00180000
522 #define TSI721_IMD_DTYPE	0xe0000000
523 
524 	__le32 msg_info;
525 
526 #define TSI721_IMD_BCOUNT	0x00000ff8
527 #define TSI721_IMD_SSIZE	0x0000f000
528 #define TSI721_IMD_LETER	0x00030000
529 #define TSI721_IMD_XMBOX	0x003c0000
530 #define TSI721_IMD_MBOX		0x00c00000
531 #define TSI721_IMD_CS		0x78000000
532 #define TSI721_IMD_HO		0x80000000
533 
534 	__le32 bufptr_lo;
535 	__le32 bufptr_hi;
536 	u32    reserved[12];
537 
538 } __aligned(64);
539 
540 /*
541  * Outbound Messaging Descriptor
542  */
543 struct tsi721_omsg_desc {
544 	__le32 type_id;
545 
546 #define TSI721_OMD_DEVID	0x0000ffff
547 #define TSI721_OMD_CRF		0x00010000
548 #define TSI721_OMD_PRIO		0x00060000
549 #define TSI721_OMD_IOF		0x08000000
550 #define TSI721_OMD_DTYPE	0xe0000000
551 #define TSI721_OMD_RSRVD	0x17f80000
552 
553 	__le32 msg_info;
554 
555 #define TSI721_OMD_BCOUNT	0x00000ff8
556 #define TSI721_OMD_SSIZE	0x0000f000
557 #define TSI721_OMD_LETER	0x00030000
558 #define TSI721_OMD_XMBOX	0x003c0000
559 #define TSI721_OMD_MBOX		0x00c00000
560 #define TSI721_OMD_TT		0x0c000000
561 
562 	union {
563 		__le32 bufptr_lo;	/* if DTYPE == 4 */
564 		__le32 next_lo;		/* if DTYPE == 5 */
565 	};
566 
567 	union {
568 		__le32 bufptr_hi;	/* if DTYPE == 4 */
569 		__le32 next_hi;		/* if DTYPE == 5 */
570 	};
571 
572 } __aligned(16);
573 
574 struct tsi721_dma_sts {
575 	__le64	desc_sts[8];
576 } __aligned(64);
577 
578 struct tsi721_desc_sts_fifo {
579 	union {
580 		__le64	da64;
581 		struct {
582 			__le32	lo;
583 			__le32	hi;
584 		} da32;
585 	} stat[8];
586 } __aligned(64);
587 
588 /* Descriptor types for BDMA and Messaging blocks */
589 enum dma_dtype {
590 	DTYPE1 = 1, /* Data Transfer DMA Descriptor */
591 	DTYPE2 = 2, /* Immediate Data Transfer DMA Descriptor */
592 	DTYPE3 = 3, /* Block Pointer DMA Descriptor */
593 	DTYPE4 = 4, /* Outbound Msg DMA Descriptor */
594 	DTYPE5 = 5, /* OB Messaging Block Pointer Descriptor */
595 	DTYPE6 = 6  /* Inbound Messaging Descriptor */
596 };
597 
598 enum dma_rtype {
599 	NREAD = 0,
600 	LAST_NWRITE_R = 1,
601 	ALL_NWRITE = 2,
602 	ALL_NWRITE_R = 3,
603 	MAINT_RD = 4,
604 	MAINT_WR = 5
605 };
606 
607 /*
608  * mport Driver Definitions
609  */
610 #define TSI721_DMA_CHNUM	TSI721_DMA_MAXCH
611 
612 #define TSI721_DMACH_MAINT	0	/* DMA channel for maint requests */
613 #define TSI721_DMACH_MAINT_NBD	32	/* Number of BDs for maint requests */
614 
615 #define MSG_DMA_ENTRY_INX_TO_SIZE(x)	((0x10 << (x)) & 0xFFFF0)
616 
617 enum tsi721_smsg_int_flag {
618 	SMSG_INT_NONE		= 0x00000000,
619 	SMSG_INT_ECC_COR_CH	= 0x000000ff,
620 	SMSG_INT_ECC_NCOR_CH	= 0x0000ff00,
621 	SMSG_INT_ECC_COR	= 0x00020000,
622 	SMSG_INT_ECC_NCOR	= 0x00040000,
623 	SMSG_INT_UNS_RSP	= 0x00800000,
624 	SMSG_INT_ALL		= 0x0006ffff
625 };
626 
627 /* Structures */
628 
629 struct tsi721_bdma_chan {
630 	int		bd_num;		/* number of buffer descriptors */
631 	void		*bd_base;	/* start of DMA descriptors */
632 	dma_addr_t	bd_phys;
633 	void		*sts_base;	/* start of DMA BD status FIFO */
634 	dma_addr_t	sts_phys;
635 	int		sts_size;
636 };
637 
638 struct tsi721_imsg_ring {
639 	u32		size;
640 	/* VA/PA of data buffers for incoming messages */
641 	void		*buf_base;
642 	dma_addr_t	buf_phys;
643 	/* VA/PA of circular free buffer list */
644 	void		*imfq_base;
645 	dma_addr_t	imfq_phys;
646 	/* VA/PA of Inbound message descriptors */
647 	void		*imd_base;
648 	dma_addr_t	imd_phys;
649 	 /* Inbound Queue buffer pointers */
650 	void		*imq_base[TSI721_IMSGD_RING_SIZE];
651 
652 	u32		rx_slot;
653 	void		*dev_id;
654 	u32		fq_wrptr;
655 	u32		desc_rdptr;
656 	spinlock_t	lock;
657 };
658 
659 struct tsi721_omsg_ring {
660 	u32		size;
661 	/* VA/PA of OB Msg descriptors */
662 	void		*omd_base;
663 	dma_addr_t	omd_phys;
664 	/* VA/PA of OB Msg data buffers */
665 	void		*omq_base[TSI721_OMSGD_RING_SIZE];
666 	dma_addr_t	omq_phys[TSI721_OMSGD_RING_SIZE];
667 	/* VA/PA of OB Msg descriptor status FIFO */
668 	void		*sts_base;
669 	dma_addr_t	sts_phys;
670 	u32		sts_size; /* # of allocated status entries */
671 	u32		sts_rdptr;
672 
673 	u32		tx_slot;
674 	void		*dev_id;
675 	u32		wr_count;
676 	spinlock_t	lock;
677 };
678 
679 enum tsi721_flags {
680 	TSI721_USING_MSI	= (1 << 0),
681 	TSI721_USING_MSIX	= (1 << 1),
682 	TSI721_IMSGID_SET	= (1 << 2),
683 };
684 
685 #ifdef CONFIG_PCI_MSI
686 /*
687  * MSI-X Table Entries (0 ... 69)
688  */
689 #define TSI721_MSIX_DMACH_DONE(x)	(0 + (x))
690 #define TSI721_MSIX_DMACH_INT(x)	(8 + (x))
691 #define TSI721_MSIX_BDMA_INT		16
692 #define TSI721_MSIX_OMSG_DONE(x)	(17 + (x))
693 #define TSI721_MSIX_OMSG_INT(x)		(25 + (x))
694 #define TSI721_MSIX_IMSG_DQ_RCV(x)	(33 + (x))
695 #define TSI721_MSIX_IMSG_INT(x)		(41 + (x))
696 #define TSI721_MSIX_MSG_INT		49
697 #define TSI721_MSIX_SR2PC_IDBQ_RCV(x)	(50 + (x))
698 #define TSI721_MSIX_SR2PC_CH_INT(x)	(58 + (x))
699 #define TSI721_MSIX_SR2PC_INT		66
700 #define TSI721_MSIX_PC2SR_INT		67
701 #define TSI721_MSIX_SRIO_MAC_INT	68
702 #define TSI721_MSIX_I2C_INT		69
703 
704 /* MSI-X vector and init table entry indexes */
705 enum tsi721_msix_vect {
706 	TSI721_VECT_IDB,
707 	TSI721_VECT_PWRX, /* PW_RX is part of SRIO MAC Interrupt reporting */
708 	TSI721_VECT_OMB0_DONE,
709 	TSI721_VECT_OMB1_DONE,
710 	TSI721_VECT_OMB2_DONE,
711 	TSI721_VECT_OMB3_DONE,
712 	TSI721_VECT_OMB0_INT,
713 	TSI721_VECT_OMB1_INT,
714 	TSI721_VECT_OMB2_INT,
715 	TSI721_VECT_OMB3_INT,
716 	TSI721_VECT_IMB0_RCV,
717 	TSI721_VECT_IMB1_RCV,
718 	TSI721_VECT_IMB2_RCV,
719 	TSI721_VECT_IMB3_RCV,
720 	TSI721_VECT_IMB0_INT,
721 	TSI721_VECT_IMB1_INT,
722 	TSI721_VECT_IMB2_INT,
723 	TSI721_VECT_IMB3_INT,
724 	TSI721_VECT_MAX
725 };
726 
727 #define IRQ_DEVICE_NAME_MAX	64
728 
729 struct msix_irq {
730 	u16	vector;
731 	char	irq_name[IRQ_DEVICE_NAME_MAX];
732 };
733 #endif /* CONFIG_PCI_MSI */
734 
735 struct tsi721_device {
736 	struct pci_dev	*pdev;
737 	struct rio_mport *mport;
738 	u32		flags;
739 	void __iomem	*regs;
740 #ifdef CONFIG_PCI_MSI
741 	struct msix_irq	msix[TSI721_VECT_MAX];
742 #endif
743 	/* Doorbells */
744 	void __iomem	*odb_base;
745 	void		*idb_base;
746 	dma_addr_t	idb_dma;
747 	struct work_struct idb_work;
748 	u32		db_discard_count;
749 
750 	/* Inbound Port-Write */
751 	struct work_struct pw_work;
752 	struct kfifo	pw_fifo;
753 	spinlock_t	pw_fifo_lock;
754 	u32		pw_discard_count;
755 
756 	/* BDMA Engine */
757 	struct tsi721_bdma_chan bdma[TSI721_DMA_CHNUM];
758 
759 	/* Inbound Messaging */
760 	int		imsg_init[TSI721_IMSG_CHNUM];
761 	struct tsi721_imsg_ring imsg_ring[TSI721_IMSG_CHNUM];
762 
763 	/* Outbound Messaging */
764 	int		omsg_init[TSI721_OMSG_CHNUM];
765 	struct tsi721_omsg_ring	omsg_ring[TSI721_OMSG_CHNUM];
766 };
767 
768 #endif
769