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hfcscard.c
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1 /* $Id: hfcscard.c,v 1.10.2.4 2004/01/14 16:04:48 keil Exp $
2  *
3  * low level stuff for hfcs based cards (Teles3c, ACER P10)
4  *
5  * Author Karsten Keil
6  * Copyright by Karsten Keil <[email protected]>
7  *
8  * This software may be used and distributed according to the terms
9  * of the GNU General Public License, incorporated herein by reference.
10  *
11  */
12 
13 #include <linux/init.h>
14 #include <linux/isapnp.h>
15 #include "hisax.h"
16 #include "hfc_2bds0.h"
17 #include "isdnl1.h"
18 
19 static const char *hfcs_revision = "$Revision: 1.10.2.4 $";
20 
21 static irqreturn_t
22 hfcs_interrupt(int intno, void *dev_id)
23 {
24  struct IsdnCardState *cs = dev_id;
25  u_char val, stat;
26  u_long flags;
27 
28  spin_lock_irqsave(&cs->lock, flags);
29  if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
30  (stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) {
31  val = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_INT_S1);
32  if (cs->debug & L1_DEB_ISAC)
33  debugl1(cs, "HFCS: stat(%02x) s1(%02x)", stat, val);
34  hfc2bds0_interrupt(cs, val);
35  } else {
36  if (cs->debug & L1_DEB_ISAC)
37  debugl1(cs, "HFCS: irq_no_irq stat(%02x)", stat);
38  }
39  spin_unlock_irqrestore(&cs->lock, flags);
40  return IRQ_HANDLED;
41 }
42 
43 static void
44 hfcs_Timer(struct IsdnCardState *cs)
45 {
46  cs->hw.hfcD.timer.expires = jiffies + 75;
47  /* WD RESET */
48 /* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
49  add_timer(&cs->hw.hfcD.timer);
50 */
51 }
52 
53 static void
54 release_io_hfcs(struct IsdnCardState *cs)
55 {
56  release2bds0(cs);
57  del_timer(&cs->hw.hfcD.timer);
58  if (cs->hw.hfcD.addr)
59  release_region(cs->hw.hfcD.addr, 2);
60 }
61 
62 static void
63 reset_hfcs(struct IsdnCardState *cs)
64 {
65  printk(KERN_INFO "HFCS: resetting card\n");
66  cs->hw.hfcD.cirm = HFCD_RESET;
67  if (cs->typ == ISDN_CTYPE_TELES3C)
68  cs->hw.hfcD.cirm |= HFCD_MEM8K;
69  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset On */
70  mdelay(10);
71  cs->hw.hfcD.cirm = 0;
72  if (cs->typ == ISDN_CTYPE_TELES3C)
73  cs->hw.hfcD.cirm |= HFCD_MEM8K;
74  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset Off */
75  mdelay(10);
76  if (cs->typ == ISDN_CTYPE_TELES3C)
77  cs->hw.hfcD.cirm |= HFCD_INTB;
78  else if (cs->typ == ISDN_CTYPE_ACERP10)
79  cs->hw.hfcD.cirm |= HFCD_INTA;
80  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
81  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
82  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
83  cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
84  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
85  cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
86  cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
87  HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
88  HFCD_INTS_DREC | HFCD_INTS_L1STATE;
89  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
90  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
91  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
92  udelay(10);
93  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
94  cs->hw.hfcD.mst_m = HFCD_MASTER;
95  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
96  cs->hw.hfcD.sctrl = 0;
97  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
98 }
99 
100 static int
101 hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
102 {
103  u_long flags;
104  int delay;
105 
106  if (cs->debug & L1_DEB_ISAC)
107  debugl1(cs, "HFCS: card_msg %x", mt);
108  switch (mt) {
109  case CARD_RESET:
110  spin_lock_irqsave(&cs->lock, flags);
111  reset_hfcs(cs);
112  spin_unlock_irqrestore(&cs->lock, flags);
113  return (0);
114  case CARD_RELEASE:
115  release_io_hfcs(cs);
116  return (0);
117  case CARD_INIT:
118  delay = (75 * HZ) / 100 + 1;
119  mod_timer(&cs->hw.hfcD.timer, jiffies + delay);
120  spin_lock_irqsave(&cs->lock, flags);
121  reset_hfcs(cs);
122  init2bds0(cs);
123  spin_unlock_irqrestore(&cs->lock, flags);
124  delay = (80 * HZ) / 1000 + 1;
125  msleep(80);
126  spin_lock_irqsave(&cs->lock, flags);
127  cs->hw.hfcD.ctmt |= HFCD_TIM800;
128  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
129  cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
130  spin_unlock_irqrestore(&cs->lock, flags);
131  return (0);
132  case CARD_TEST:
133  return (0);
134  }
135  return (0);
136 }
137 
138 #ifdef __ISAPNP__
139 static struct isapnp_device_id hfc_ids[] __devinitdata = {
140  { ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
141  ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
142  (unsigned long) "Acer P10" },
143  { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
144  ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
145  (unsigned long) "Billion 2" },
146  { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
147  ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
148  (unsigned long) "Billion 1" },
149  { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
150  ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
151  (unsigned long) "IStar PnP" },
152  { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
153  ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
154  (unsigned long) "Teles 16.3c" },
155  { ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
156  ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
157  (unsigned long) "Tornado Tipa C" },
158  { ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
159  ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
160  (unsigned long) "Genius Speed Surfer" },
161  { 0, }
162 };
163 
164 static struct isapnp_device_id *ipid __devinitdata = &hfc_ids[0];
165 static struct pnp_card *pnp_c __devinitdata = NULL;
166 #endif
167 
168 int __devinit
169 setup_hfcs(struct IsdnCard *card)
170 {
171  struct IsdnCardState *cs = card->cs;
172  char tmp[64];
173 
174  strcpy(tmp, hfcs_revision);
175  printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
176 
177 #ifdef __ISAPNP__
178  if (!card->para[1] && isapnp_present()) {
179  struct pnp_dev *pnp_d;
180  while (ipid->card_vendor) {
181  if ((pnp_c = pnp_find_card(ipid->card_vendor,
182  ipid->card_device, pnp_c))) {
183  pnp_d = NULL;
184  if ((pnp_d = pnp_find_dev(pnp_c,
185  ipid->vendor, ipid->function, pnp_d))) {
186  int err;
187 
188  printk(KERN_INFO "HiSax: %s detected\n",
189  (char *)ipid->driver_data);
190  pnp_disable_dev(pnp_d);
191  err = pnp_activate_dev(pnp_d);
192  if (err < 0) {
193  printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
194  __func__, err);
195  return (0);
196  }
197  card->para[1] = pnp_port_start(pnp_d, 0);
198  card->para[0] = pnp_irq(pnp_d, 0);
199  if (!card->para[0] || !card->para[1]) {
200  printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lx\n",
201  card->para[0], card->para[1]);
202  pnp_disable_dev(pnp_d);
203  return (0);
204  }
205  break;
206  } else {
207  printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
208  }
209  }
210  ipid++;
211  pnp_c = NULL;
212  }
213  if (!ipid->card_vendor) {
214  printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
215  return (0);
216  }
217  }
218 #endif
219  cs->hw.hfcD.addr = card->para[1] & 0xfffe;
220  cs->irq = card->para[0];
221  cs->hw.hfcD.cip = 0;
222  cs->hw.hfcD.int_s1 = 0;
223  cs->hw.hfcD.send = NULL;
224  cs->bcs[0].hw.hfc.send = NULL;
225  cs->bcs[1].hw.hfc.send = NULL;
226  cs->hw.hfcD.dfifosize = 512;
227  cs->dc.hfcd.ph_state = 0;
228  cs->hw.hfcD.fifo = 255;
229  if (cs->typ == ISDN_CTYPE_TELES3C) {
230  cs->hw.hfcD.bfifosize = 1024 + 512;
231  } else if (cs->typ == ISDN_CTYPE_ACERP10) {
232  cs->hw.hfcD.bfifosize = 7 * 1024 + 512;
233  } else
234  return (0);
235  if (!request_region(cs->hw.hfcD.addr, 2, "HFCS isdn")) {
236  printk(KERN_WARNING
237  "HiSax: %s config port %x-%x already in use\n",
238  CardType[card->typ],
239  cs->hw.hfcD.addr,
240  cs->hw.hfcD.addr + 2);
241  return (0);
242  }
243  printk(KERN_INFO
244  "HFCS: defined at 0x%x IRQ %d HZ %d\n",
245  cs->hw.hfcD.addr,
246  cs->irq, HZ);
247  if (cs->typ == ISDN_CTYPE_TELES3C) {
248  /* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
249  outb(0x00, cs->hw.hfcD.addr);
250  outb(0x56, cs->hw.hfcD.addr | 1);
251  } else if (cs->typ == ISDN_CTYPE_ACERP10) {
252  /* Acer P10 IO ADR is 0x300 */
253  outb(0x00, cs->hw.hfcD.addr);
254  outb(0x57, cs->hw.hfcD.addr | 1);
255  }
256  set_cs_func(cs);
257  cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
258  cs->hw.hfcD.timer.data = (long) cs;
259  init_timer(&cs->hw.hfcD.timer);
260  cs->cardmsg = &hfcs_card_msg;
261  cs->irq_func = &hfcs_interrupt;
262  return (1);
263 }
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