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13#include <linux/init.h>
14#include "hisax.h"
15#include "isac.h"
16#include "hfc_2bs0.h"
17#include "isdnl1.h"
18
19static const char *TeleInt_revision = "$Revision: 1.16.2.5 $";
20
21#define byteout(addr,val) outb(val,addr)
22#define bytein(addr) inb(addr)
23
24static inline u_char
25readreg(unsigned int ale, unsigned int adr, u_char off)
26{
27 register u_char ret;
28 int max_delay = 2000;
29
30 byteout(ale, off);
31 ret = HFC_BUSY & bytein(ale);
32 while (ret && --max_delay)
33 ret = HFC_BUSY & bytein(ale);
34 if (!max_delay) {
35 printk(KERN_WARNING "TeleInt Busy not inactive\n");
36 return (0);
37 }
38 ret = bytein(adr);
39 return (ret);
40}
41
42static inline void
43readfifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
44{
45 register u_char ret;
46 register int max_delay = 20000;
47 register int i;
48
49 byteout(ale, off);
50 for (i = 0; i<size; i++) {
51 ret = HFC_BUSY & bytein(ale);
52 while (ret && --max_delay)
53 ret = HFC_BUSY & bytein(ale);
54 if (!max_delay) {
55 printk(KERN_WARNING "TeleInt Busy not inactive\n");
56 return;
57 }
58 data[i] = bytein(adr);
59 }
60}
61
62
63static inline void
64writereg(unsigned int ale, unsigned int adr, u_char off, u_char data)
65{
66 register u_char ret;
67 int max_delay = 2000;
68
69 byteout(ale, off);
70 ret = HFC_BUSY & bytein(ale);
71 while (ret && --max_delay)
72 ret = HFC_BUSY & bytein(ale);
73 if (!max_delay) {
74 printk(KERN_WARNING "TeleInt Busy not inactive\n");
75 return;
76 }
77 byteout(adr, data);
78}
79
80static inline void
81writefifo(unsigned int ale, unsigned int adr, u_char off, u_char * data, int size)
82{
83 register u_char ret;
84 register int max_delay = 20000;
85 register int i;
86
87 byteout(ale, off);
88 for (i = 0; i<size; i++) {
89 ret = HFC_BUSY & bytein(ale);
90 while (ret && --max_delay)
91 ret = HFC_BUSY & bytein(ale);
92 if (!max_delay) {
93 printk(KERN_WARNING "TeleInt Busy not inactive\n");
94 return;
95 }
96 byteout(adr, data[i]);
97 }
98}
99
100
101
102static u_char
103ReadISAC(struct IsdnCardState *cs, u_char offset)
104{
105 cs->hw.hfc.cip = offset;
106 return (readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, offset));
107}
108
109static void
110WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
111{
112 cs->hw.hfc.cip = offset;
113 writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, offset, value);
114}
115
116static void
117ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
118{
119 cs->hw.hfc.cip = 0;
120 readfifo(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, 0, data, size);
121}
122
123static void
124WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
125{
126 cs->hw.hfc.cip = 0;
127 writefifo(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, 0, data, size);
128}
129
130static u_char
131ReadHFC(struct IsdnCardState *cs, int data, u_char reg)
132{
133 register u_char ret;
134
135 if (data) {
136 cs->hw.hfc.cip = reg;
137 byteout(cs->hw.hfc.addr | 1, reg);
138 ret = bytein(cs->hw.hfc.addr);
139 if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
140 debugl1(cs, "hfc RD %02x %02x", reg, ret);
141 } else
142 ret = bytein(cs->hw.hfc.addr | 1);
143 return (ret);
144}
145
146static void
147WriteHFC(struct IsdnCardState *cs, int data, u_char reg, u_char value)
148{
149 byteout(cs->hw.hfc.addr | 1, reg);
150 cs->hw.hfc.cip = reg;
151 if (data)
152 byteout(cs->hw.hfc.addr, value);
153 if (cs->debug & L1_DEB_HSCX_FIFO && (data != 2))
154 debugl1(cs, "hfc W%c %02x %02x", data ? 'D' : 'C', reg, value);
155}
156
157static irqreturn_t
158TeleInt_interrupt(int intno, void *dev_id)
159{
160 struct IsdnCardState *cs = dev_id;
161 u_char val;
162 u_long flags;
163
164 spin_lock_irqsave(&cs->lock, flags);
165 val = readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_ISTA);
166 Start_ISAC:
167 if (val)
168 isac_interrupt(cs, val);
169 val = readreg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_ISTA);
170 if (val) {
171 if (cs->debug & L1_DEB_ISAC)
172 debugl1(cs, "ISAC IntStat after IntRoutine");
173 goto Start_ISAC;
174 }
175 writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_MASK, 0xFF);
176 writereg(cs->hw.hfc.addr | 1, cs->hw.hfc.addr, ISAC_MASK, 0x0);
177 spin_unlock_irqrestore(&cs->lock, flags);
178 return IRQ_HANDLED;
179}
180
181static void
182TeleInt_Timer(struct IsdnCardState *cs)
183{
184 int stat = 0;
185 u_long flags;
186
187 spin_lock_irqsave(&cs->lock, flags);
188 if (cs->bcs[0].mode) {
189 stat |= 1;
190 main_irq_hfc(&cs->bcs[0]);
191 }
192 if (cs->bcs[1].mode) {
193 stat |= 2;
194 main_irq_hfc(&cs->bcs[1]);
195 }
196 spin_unlock_irqrestore(&cs->lock, flags);
197 stat = HZ/100;
198 if (!stat)
199 stat = 1;
200 cs->hw.hfc.timer.expires = jiffies + stat;
201 add_timer(&cs->hw.hfc.timer);
202}
203
204static void
205release_io_TeleInt(struct IsdnCardState *cs)
206{
207 del_timer(&cs->hw.hfc.timer);
208 releasehfc(cs);
209 if (cs->hw.hfc.addr)
210 release_region(cs->hw.hfc.addr, 2);
211}
212
213static void
214reset_TeleInt(struct IsdnCardState *cs)
215{
216 printk(KERN_INFO "TeleInt: resetting card\n");
217 cs->hw.hfc.cirm |= HFC_RESET;
218 byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);
219 mdelay(10);
220 cs->hw.hfc.cirm &= ~HFC_RESET;
221 byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);
222 mdelay(10);
223}
224
225static int
226TeleInt_card_msg(struct IsdnCardState *cs, int mt, void *arg)
227{
228 u_long flags;
229 int delay;
230
231 switch (mt) {
232 case CARD_RESET:
233 spin_lock_irqsave(&cs->lock, flags);
234 reset_TeleInt(cs);
235 spin_unlock_irqrestore(&cs->lock, flags);
236 return(0);
237 case CARD_RELEASE:
238 release_io_TeleInt(cs);
239 return(0);
240 case CARD_INIT:
241 spin_lock_irqsave(&cs->lock, flags);
242 reset_TeleInt(cs);
243 inithfc(cs);
244 clear_pending_isac_ints(cs);
245 initisac(cs);
246
247 cs->writeisac(cs, ISAC_MASK, 0);
248 cs->writeisac(cs, ISAC_CMDR, 0x41);
249 spin_unlock_irqrestore(&cs->lock, flags);
250 delay = HZ/100;
251 if (!delay)
252 delay = 1;
253 cs->hw.hfc.timer.expires = jiffies + delay;
254 add_timer(&cs->hw.hfc.timer);
255 return(0);
256 case CARD_TEST:
257 return(0);
258 }
259 return(0);
260}
261
262int __devinit
263setup_TeleInt(struct IsdnCard *card)
264{
265 struct IsdnCardState *cs = card->cs;
266 char tmp[64];
267
268 strcpy(tmp, TeleInt_revision);
269 printk(KERN_INFO "HiSax: TeleInt driver Rev. %s\n", HiSax_getrev(tmp));
270 if (cs->typ != ISDN_CTYPE_TELEINT)
271 return (0);
272
273 cs->hw.hfc.addr = card->para[1] & 0x3fe;
274 cs->irq = card->para[0];
275 cs->hw.hfc.cirm = HFC_CIRM;
276 cs->hw.hfc.isac_spcr = 0x00;
277 cs->hw.hfc.cip = 0;
278 cs->hw.hfc.ctmt = HFC_CTMT | HFC_CLTIMER;
279 cs->bcs[0].hw.hfc.send = NULL;
280 cs->bcs[1].hw.hfc.send = NULL;
281 cs->hw.hfc.fifosize = 7 * 1024 + 512;
282 cs->hw.hfc.timer.function = (void *) TeleInt_Timer;
283 cs->hw.hfc.timer.data = (long) cs;
284 init_timer(&cs->hw.hfc.timer);
285 if (!request_region(cs->hw.hfc.addr, 2, "TeleInt isdn")) {
286 printk(KERN_WARNING
287 "HiSax: TeleInt config port %x-%x already in use\n",
288 cs->hw.hfc.addr,
289 cs->hw.hfc.addr + 2);
290 return (0);
291 }
292
293 byteout(cs->hw.hfc.addr, cs->hw.hfc.addr & 0xff);
294 byteout(cs->hw.hfc.addr | 1, ((cs->hw.hfc.addr & 0x300) >> 8) | 0x54);
295 switch (cs->irq) {
296 case 3:
297 cs->hw.hfc.cirm |= HFC_INTA;
298 break;
299 case 4:
300 cs->hw.hfc.cirm |= HFC_INTB;
301 break;
302 case 5:
303 cs->hw.hfc.cirm |= HFC_INTC;
304 break;
305 case 7:
306 cs->hw.hfc.cirm |= HFC_INTD;
307 break;
308 case 10:
309 cs->hw.hfc.cirm |= HFC_INTE;
310 break;
311 case 11:
312 cs->hw.hfc.cirm |= HFC_INTF;
313 break;
314 default:
315 printk(KERN_WARNING "TeleInt: wrong IRQ\n");
316 release_io_TeleInt(cs);
317 return (0);
318 }
319 byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.cirm);
320 byteout(cs->hw.hfc.addr | 1, cs->hw.hfc.ctmt);
321
322 printk(KERN_INFO "TeleInt: defined at 0x%x IRQ %d\n",
323 cs->hw.hfc.addr, cs->irq);
324
325 setup_isac(cs);
326 cs->readisac = &ReadISAC;
327 cs->writeisac = &WriteISAC;
328 cs->readisacfifo = &ReadISACfifo;
329 cs->writeisacfifo = &WriteISACfifo;
330 cs->BC_Read_Reg = &ReadHFC;
331 cs->BC_Write_Reg = &WriteHFC;
332 cs->cardmsg = &TeleInt_card_msg;
333 cs->irq_func = &TeleInt_interrupt;
334 ISACVersion(cs, "TeleInt:");
335 return (1);
336}
337
