1 /*
2  *
3  * ipac.h	Defines for the Infineon (former Siemens) ISDN
4  *		chip series
5  *
6  * Author       Karsten Keil <keil@isdn4linux.de>
7  *
8  * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22  *
23  */
24 
25 #include "iohelper.h"
26 
27 struct isac_hw {
28 	struct dchannel		dch;
29 	u32			type;
30 	u32			off;		/* offset to isac regs */
31 	char			*name;
32 	spinlock_t		*hwlock;	/* lock HW access */
33 	read_reg_func		*read_reg;
34 	write_reg_func		*write_reg;
35 	fifo_func		*read_fifo;
36 	fifo_func		*write_fifo;
37 	int			(*monitor)(void *, u32, u8 *, int);
38 	void			(*release)(struct isac_hw *);
39 	int			(*init)(struct isac_hw *);
40 	int			(*ctrl)(struct isac_hw *, u32, u_long);
41 	int			(*open)(struct isac_hw *, struct channel_req *);
42 	u8			*mon_tx;
43 	u8			*mon_rx;
44 	int			mon_txp;
45 	int			mon_txc;
46 	int			mon_rxp;
47 	struct arcofi_msg	*arcofi_list;
48 	struct timer_list	arcofitimer;
49 	wait_queue_head_t	arcofi_wait;
50 	u8			arcofi_bc;
51 	u8			arcofi_state;
52 	u8			mocr;
53 	u8			adf2;
54 	u8			state;
55 };
56 
57 struct ipac_hw;
58 
59 struct hscx_hw {
60 	struct bchannel		bch;
61 	struct ipac_hw		*ip;
62 	u8			fifo_size;
63 	u8			off;	/* offset to ICA or ICB */
64 	u8			slot;
65 	char			log[64];
66 };
67 
68 struct ipac_hw {
69 	struct isac_hw		isac;
70 	struct hscx_hw		hscx[2];
71 	char			*name;
72 	void			*hw;
73 	spinlock_t		*hwlock;	/* lock HW access */
74 	struct module		*owner;
75 	u32			type;
76 	read_reg_func		*read_reg;
77 	write_reg_func		*write_reg;
78 	fifo_func		*read_fifo;
79 	fifo_func		*write_fifo;
80 	void			(*release)(struct ipac_hw *);
81 	int			(*init)(struct ipac_hw *);
82 	int			(*ctrl)(struct ipac_hw *, u32, u_long);
83 	u8			conf;
84 };
85 
86 #define IPAC_TYPE_ISAC		0x0010
87 #define IPAC_TYPE_IPAC		0x0020
88 #define IPAC_TYPE_ISACX		0x0040
89 #define IPAC_TYPE_IPACX		0x0080
90 #define IPAC_TYPE_HSCX		0x0100
91 
92 #define ISAC_USE_ARCOFI		0x1000
93 
94 /* Monitor functions */
95 #define MONITOR_RX_0		0x1000
96 #define MONITOR_RX_1		0x1001
97 #define MONITOR_TX_0		0x2000
98 #define MONITOR_TX_1		0x2001
99 
100 /* All registers original Siemens Spec  */
101 /* IPAC/ISAC registers */
102 #define ISAC_ISTA		0x20
103 #define ISAC_MASK		0x20
104 #define ISAC_CMDR		0x21
105 #define ISAC_STAR		0x21
106 #define ISAC_MODE		0x22
107 #define ISAC_TIMR		0x23
108 #define ISAC_EXIR		0x24
109 #define ISAC_RBCL		0x25
110 #define ISAC_RSTA		0x27
111 #define ISAC_RBCH		0x2A
112 #define ISAC_SPCR		0x30
113 #define ISAC_CIR0		0x31
114 #define ISAC_CIX0		0x31
115 #define ISAC_MOR0		0x32
116 #define ISAC_MOX0		0x32
117 #define ISAC_CIR1		0x33
118 #define ISAC_CIX1		0x33
119 #define ISAC_MOR1		0x34
120 #define ISAC_MOX1		0x34
121 #define ISAC_STCR		0x37
122 #define ISAC_ADF1		0x38
123 #define ISAC_ADF2		0x39
124 #define ISAC_MOCR		0x3a
125 #define ISAC_MOSR		0x3a
126 #define ISAC_SQRR		0x3b
127 #define ISAC_SQXR		0x3b
128 
129 #define ISAC_RBCH_XAC		0x80
130 
131 #define IPAC_D_TIN2		0x01
132 
133 /* IPAC/HSCX */
134 #define IPAC_ISTAB		0x20	/* RD	*/
135 #define IPAC_MASKB		0x20	/* WR	*/
136 #define IPAC_STARB		0x21	/* RD	*/
137 #define IPAC_CMDRB		0x21	/* WR	*/
138 #define IPAC_MODEB		0x22	/* R/W	*/
139 #define IPAC_EXIRB		0x24	/* RD	*/
140 #define IPAC_RBCLB		0x25	/* RD	*/
141 #define IPAC_RAH1		0x26	/* WR	*/
142 #define IPAC_RAH2		0x27	/* WR	*/
143 #define IPAC_RSTAB		0x27	/* RD	*/
144 #define IPAC_RAL1		0x28	/* R/W	*/
145 #define IPAC_RAL2		0x29	/* WR	*/
146 #define IPAC_RHCRB		0x29	/* RD	*/
147 #define IPAC_XBCL		0x2A	/* WR	*/
148 #define IPAC_CCR2		0x2C	/* R/W	*/
149 #define IPAC_RBCHB		0x2D	/* RD	*/
150 #define IPAC_XBCH		0x2D	/* WR	*/
151 #define HSCX_VSTR		0x2E	/* RD	*/
152 #define IPAC_RLCR		0x2E	/* WR	*/
153 #define IPAC_CCR1		0x2F	/* R/W	*/
154 #define IPAC_TSAX		0x30	/* WR	*/
155 #define IPAC_TSAR		0x31	/* WR	*/
156 #define IPAC_XCCR		0x32	/* WR	*/
157 #define IPAC_RCCR		0x33	/* WR	*/
158 
159 /* IPAC_ISTAB/IPAC_MASKB bits */
160 #define IPAC_B_XPR		0x10
161 #define IPAC_B_RPF		0x40
162 #define IPAC_B_RME		0x80
163 #define IPAC_B_ON		0x2F
164 
165 /* IPAC_EXIRB bits */
166 #define IPAC_B_RFS		0x04
167 #define IPAC_B_RFO		0x10
168 #define IPAC_B_XDU		0x40
169 #define IPAC_B_XMR		0x80
170 
171 /* IPAC special registers */
172 #define IPAC_CONF		0xC0	/* R/W	*/
173 #define IPAC_ISTA		0xC1	/* RD	*/
174 #define IPAC_MASK		0xC1	/* WR	*/
175 #define IPAC_ID			0xC2	/* RD	*/
176 #define IPAC_ACFG		0xC3	/* R/W	*/
177 #define IPAC_AOE		0xC4	/* R/W	*/
178 #define IPAC_ARX		0xC5	/* RD	*/
179 #define IPAC_ATX		0xC5	/* WR	*/
180 #define IPAC_PITA1		0xC6	/* R/W	*/
181 #define IPAC_PITA2		0xC7	/* R/W	*/
182 #define IPAC_POTA1		0xC8	/* R/W	*/
183 #define IPAC_POTA2		0xC9	/* R/W	*/
184 #define IPAC_PCFG		0xCA	/* R/W	*/
185 #define IPAC_SCFG		0xCB	/* R/W	*/
186 #define IPAC_TIMR2		0xCC	/* R/W	*/
187 
188 /* IPAC_ISTA/_MASK bits */
189 #define IPAC__EXB		0x01
190 #define IPAC__ICB		0x02
191 #define IPAC__EXA		0x04
192 #define IPAC__ICA		0x08
193 #define IPAC__EXD		0x10
194 #define IPAC__ICD		0x20
195 #define IPAC__INT0		0x40
196 #define IPAC__INT1		0x80
197 #define IPAC__ON		0xC0
198 
199 /* HSCX ISTA/MASK bits */
200 #define HSCX__EXB		0x01
201 #define HSCX__EXA		0x02
202 #define HSCX__ICA		0x04
203 
204 /* ISAC/ISACX/IPAC/IPACX L1 commands */
205 #define ISAC_CMD_TIM		0x0
206 #define ISAC_CMD_RS		0x1
207 #define ISAC_CMD_SCZ		0x4
208 #define ISAC_CMD_SSZ		0x2
209 #define ISAC_CMD_AR8		0x8
210 #define ISAC_CMD_AR10		0x9
211 #define ISAC_CMD_ARL		0xA
212 #define ISAC_CMD_DUI		0xF
213 
214 /* ISAC/ISACX/IPAC/IPACX L1 indications */
215 #define ISAC_IND_DR		0x0
216 #define ISAC_IND_RS		0x1
217 #define ISAC_IND_SD		0x2
218 #define ISAC_IND_DIS		0x3
219 #define ISAC_IND_RSY		0x4
220 #define ISAC_IND_DR6		0x5
221 #define ISAC_IND_EI		0x6
222 #define ISAC_IND_PU		0x7
223 #define ISAC_IND_ARD		0x8
224 #define ISAC_IND_TI		0xA
225 #define ISAC_IND_ATI		0xB
226 #define ISAC_IND_AI8		0xC
227 #define ISAC_IND_AI10		0xD
228 #define ISAC_IND_DID		0xF
229 
230 /* the new ISACX / IPACX */
231 /* D-channel registers   */
232 #define ISACX_RFIFOD		0x00	/* RD	*/
233 #define ISACX_XFIFOD		0x00	/* WR	*/
234 #define ISACX_ISTAD		0x20	/* RD	*/
235 #define ISACX_MASKD		0x20	/* WR	*/
236 #define ISACX_STARD		0x21	/* RD	*/
237 #define ISACX_CMDRD		0x21	/* WR	*/
238 #define ISACX_MODED		0x22	/* R/W	*/
239 #define ISACX_EXMD1		0x23	/* R/W	*/
240 #define ISACX_TIMR1		0x24	/* R/W	*/
241 #define ISACX_SAP1		0x25	/* WR	*/
242 #define ISACX_SAP2		0x26	/* WR	*/
243 #define ISACX_RBCLD		0x26	/* RD	*/
244 #define ISACX_RBCHD		0x27	/* RD	*/
245 #define ISACX_TEI1		0x27	/* WR	*/
246 #define ISACX_TEI2		0x28	/* WR	*/
247 #define ISACX_RSTAD		0x28	/* RD	*/
248 #define ISACX_TMD		0x29	/* R/W	*/
249 #define ISACX_CIR0		0x2E	/* RD	*/
250 #define ISACX_CIX0		0x2E	/* WR	*/
251 #define ISACX_CIR1		0x2F	/* RD	*/
252 #define ISACX_CIX1		0x2F	/* WR	*/
253 
254 /* Transceiver registers  */
255 #define ISACX_TR_CONF0		0x30	/* R/W	*/
256 #define ISACX_TR_CONF1		0x31	/* R/W	*/
257 #define ISACX_TR_CONF2		0x32	/* R/W	*/
258 #define ISACX_TR_STA		0x33	/* RD	*/
259 #define ISACX_TR_CMD		0x34	/* R/W	*/
260 #define ISACX_SQRR1		0x35	/* RD	*/
261 #define ISACX_SQXR1		0x35	/* WR	*/
262 #define ISACX_SQRR2		0x36	/* RD	*/
263 #define ISACX_SQXR2		0x36	/* WR	*/
264 #define ISACX_SQRR3		0x37	/* RD	*/
265 #define ISACX_SQXR3		0x37	/* WR	*/
266 #define ISACX_ISTATR		0x38	/* RD	*/
267 #define ISACX_MASKTR		0x39	/* R/W	*/
268 #define ISACX_TR_MODE		0x3A	/* R/W	*/
269 #define ISACX_ACFG1		0x3C	/* R/W	*/
270 #define ISACX_ACFG2		0x3D	/* R/W	*/
271 #define ISACX_AOE		0x3E	/* R/W	*/
272 #define ISACX_ARX		0x3F	/* RD	*/
273 #define ISACX_ATX		0x3F	/* WR	*/
274 
275 /* IOM: Timeslot, DPS, CDA  */
276 #define ISACX_CDA10		0x40	/* R/W	*/
277 #define ISACX_CDA11		0x41	/* R/W	*/
278 #define ISACX_CDA20		0x42	/* R/W	*/
279 #define ISACX_CDA21		0x43	/* R/W	*/
280 #define ISACX_CDA_TSDP10	0x44	/* R/W	*/
281 #define ISACX_CDA_TSDP11	0x45	/* R/W	*/
282 #define ISACX_CDA_TSDP20	0x46	/* R/W	*/
283 #define ISACX_CDA_TSDP21	0x47	/* R/W	*/
284 #define ISACX_BCHA_TSDP_BC1	0x48	/* R/W	*/
285 #define ISACX_BCHA_TSDP_BC2	0x49	/* R/W	*/
286 #define ISACX_BCHB_TSDP_BC1	0x4A	/* R/W	*/
287 #define ISACX_BCHB_TSDP_BC2	0x4B	/* R/W	*/
288 #define ISACX_TR_TSDP_BC1	0x4C	/* R/W	*/
289 #define ISACX_TR_TSDP_BC2	0x4D	/* R/W	*/
290 #define ISACX_CDA1_CR		0x4E	/* R/W	*/
291 #define ISACX_CDA2_CR		0x4F	/* R/W	*/
292 
293 /* IOM: Contol, Sync transfer, Monitor    */
294 #define ISACX_TR_CR		0x50	/* R/W	*/
295 #define ISACX_TRC_CR		0x50	/* R/W	*/
296 #define ISACX_BCHA_CR		0x51	/* R/W	*/
297 #define ISACX_BCHB_CR		0x52	/* R/W	*/
298 #define ISACX_DCI_CR		0x53	/* R/W	*/
299 #define ISACX_DCIC_CR		0x53	/* R/W	*/
300 #define ISACX_MON_CR		0x54	/* R/W	*/
301 #define ISACX_SDS1_CR		0x55	/* R/W	*/
302 #define ISACX_SDS2_CR		0x56	/* R/W	*/
303 #define ISACX_IOM_CR		0x57	/* R/W	*/
304 #define ISACX_STI		0x58	/* RD	*/
305 #define ISACX_ASTI		0x58	/* WR	*/
306 #define ISACX_MSTI		0x59	/* R/W	*/
307 #define ISACX_SDS_CONF		0x5A	/* R/W	*/
308 #define ISACX_MCDA		0x5B	/* RD	*/
309 #define ISACX_MOR		0x5C	/* RD	*/
310 #define ISACX_MOX		0x5C	/* WR	*/
311 #define ISACX_MOSR		0x5D	/* RD	*/
312 #define ISACX_MOCR		0x5E	/* R/W	*/
313 #define ISACX_MSTA		0x5F	/* RD	*/
314 #define ISACX_MCONF		0x5F	/* WR	*/
315 
316 /* Interrupt and general registers */
317 #define ISACX_ISTA		0x60	/* RD	*/
318 #define ISACX_MASK		0x60	/* WR	*/
319 #define ISACX_AUXI		0x61	/* RD	*/
320 #define ISACX_AUXM		0x61	/* WR	*/
321 #define ISACX_MODE1		0x62	/* R/W	*/
322 #define ISACX_MODE2		0x63	/* R/W	*/
323 #define ISACX_ID		0x64	/* RD	*/
324 #define ISACX_SRES		0x64	/* WR	*/
325 #define ISACX_TIMR2		0x65	/* R/W	*/
326 
327 /* Register Bits */
328 /* ISACX/IPACX _ISTAD (R) and _MASKD (W) */
329 #define ISACX_D_XDU		0x04
330 #define ISACX_D_XMR		0x08
331 #define ISACX_D_XPR		0x10
332 #define ISACX_D_RFO		0x20
333 #define ISACX_D_RPF		0x40
334 #define ISACX_D_RME		0x80
335 
336 /* ISACX/IPACX _ISTA (R) and _MASK (W) */
337 #define ISACX__ICD		0x01
338 #define ISACX__MOS		0x02
339 #define ISACX__TRAN		0x04
340 #define ISACX__AUX		0x08
341 #define ISACX__CIC		0x10
342 #define ISACX__ST		0x20
343 #define IPACX__ON		0x2C
344 #define IPACX__ICB		0x40
345 #define IPACX__ICA		0x80
346 
347 /* ISACX/IPACX _CMDRD (W) */
348 #define ISACX_CMDRD_XRES	0x01
349 #define ISACX_CMDRD_XME		0x02
350 #define ISACX_CMDRD_XTF		0x08
351 #define ISACX_CMDRD_STI		0x10
352 #define ISACX_CMDRD_RRES	0x40
353 #define ISACX_CMDRD_RMC		0x80
354 
355 /* ISACX/IPACX _RSTAD (R) */
356 #define ISACX_RSTAD_TA		0x01
357 #define ISACX_RSTAD_CR		0x02
358 #define ISACX_RSTAD_SA0		0x04
359 #define ISACX_RSTAD_SA1		0x08
360 #define ISACX_RSTAD_RAB		0x10
361 #define ISACX_RSTAD_CRC		0x20
362 #define ISACX_RSTAD_RDO		0x40
363 #define ISACX_RSTAD_VFR		0x80
364 
365 /* ISACX/IPACX _CIR0 (R) */
366 #define ISACX_CIR0_BAS		0x01
367 #define ISACX_CIR0_SG		0x08
368 #define ISACX_CIR0_CIC1		0x08
369 #define ISACX_CIR0_CIC0		0x08
370 
371 /* B-channel registers */
372 #define IPACX_OFF_ICA		0x70
373 #define IPACX_OFF_ICB		0x80
374 
375 /* ICA: IPACX_OFF_ICA + Reg ICB: IPACX_OFF_ICB + Reg */
376 
377 #define IPACX_ISTAB		0x00    /* RD	*/
378 #define IPACX_MASKB		0x00	/* WR	*/
379 #define IPACX_STARB		0x01	/* RD	*/
380 #define IPACX_CMDRB		0x01	/* WR	*/
381 #define IPACX_MODEB		0x02	/* R/W	*/
382 #define IPACX_EXMB		0x03	/* R/W	*/
383 #define IPACX_RAH1		0x05	/* WR	*/
384 #define IPACX_RAH2		0x06	/* WR	*/
385 #define IPACX_RBCLB		0x06	/* RD	*/
386 #define IPACX_RBCHB		0x07	/* RD	*/
387 #define IPACX_RAL1		0x07	/* WR	*/
388 #define IPACX_RAL2		0x08	/* WR	*/
389 #define IPACX_RSTAB		0x08	/* RD	*/
390 #define IPACX_TMB		0x09	/* R/W	*/
391 #define IPACX_RFIFOB		0x0A	/* RD	*/
392 #define IPACX_XFIFOB		0x0A	/* WR	*/
393 
394 /* IPACX_ISTAB / IPACX_MASKB bits */
395 #define IPACX_B_XDU		0x04
396 #define IPACX_B_XPR		0x10
397 #define IPACX_B_RFO		0x20
398 #define IPACX_B_RPF		0x40
399 #define IPACX_B_RME		0x80
400 
401 #define IPACX_B_ON		0x0B
402 
403 extern int mISDNisac_init(struct isac_hw *, void *);
404 extern irqreturn_t mISDNisac_irq(struct isac_hw *, u8);
405 extern u32 mISDNipac_init(struct ipac_hw *, void *);
406 extern irqreturn_t mISDNipac_irq(struct ipac_hw *, int);
407