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 <keil@isdn4linux.de>
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 extern const char *CardType[];
20
21 static const char *hfcs_revision = "$Revision: 1.10.2.4 $";
22
23 static irqreturn_t
24 hfcs_interrupt(int intno, void *dev_id)
25 {
26 struct IsdnCardState *cs = dev_id;
27 u_char val, stat;
28 u_long flags;
29
30 spin_lock_irqsave(&cs->lock, flags);
31 if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
32 (stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) {
33 val = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_INT_S1);
34 if (cs->debug & L1_DEB_ISAC)
35 debugl1(cs, "HFCS: stat(%02x) s1(%02x)", stat, val);
36 hfc2bds0_interrupt(cs, val);
37 } else {
38 if (cs->debug & L1_DEB_ISAC)
39 debugl1(cs, "HFCS: irq_no_irq stat(%02x)", stat);
40 }
41 spin_unlock_irqrestore(&cs->lock, flags);
42 return IRQ_HANDLED;
43 }
44
45 static void
46 hfcs_Timer(struct IsdnCardState *cs)
47 {
48 cs->hw.hfcD.timer.expires = jiffies + 75;
49 /* WD RESET */
50 /* WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
51 add_timer(&cs->hw.hfcD.timer);
52 */
53 }
54
55 static void
56 release_io_hfcs(struct IsdnCardState *cs)
57 {
58 release2bds0(cs);
59 del_timer(&cs->hw.hfcD.timer);
60 if (cs->hw.hfcD.addr)
61 release_region(cs->hw.hfcD.addr, 2);
62 }
63
64 static void
65 reset_hfcs(struct IsdnCardState *cs)
66 {
67 printk(KERN_INFO "HFCS: resetting card\n");
68 cs->hw.hfcD.cirm = HFCD_RESET;
69 if (cs->typ == ISDN_CTYPE_TELES3C)
70 cs->hw.hfcD.cirm |= HFCD_MEM8K;
71 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset On */
72 mdelay(10);
73 cs->hw.hfcD.cirm = 0;
74 if (cs->typ == ISDN_CTYPE_TELES3C)
75 cs->hw.hfcD.cirm |= HFCD_MEM8K;
76 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm); /* Reset Off */
77 mdelay(10);
78 if (cs->typ == ISDN_CTYPE_TELES3C)
79 cs->hw.hfcD.cirm |= HFCD_INTB;
80 else if (cs->typ == ISDN_CTYPE_ACERP10)
81 cs->hw.hfcD.cirm |= HFCD_INTA;
82 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
83 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
84 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
85 cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
86 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
87 cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
88 cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
89 HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
90 HFCD_INTS_DREC | HFCD_INTS_L1STATE;
91 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
92 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
93 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
94 udelay(10);
95 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
96 cs->hw.hfcD.mst_m = HFCD_MASTER;
97 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
98 cs->hw.hfcD.sctrl = 0;
99 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
100 }
101
102 static int
103 hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
104 {
105 u_long flags;
106 int delay;
107
108 if (cs->debug & L1_DEB_ISAC)
109 debugl1(cs, "HFCS: card_msg %x", mt);
110 switch (mt) {
111 case CARD_RESET:
112 spin_lock_irqsave(&cs->lock, flags);
113 reset_hfcs(cs);
114 spin_unlock_irqrestore(&cs->lock, flags);
115 return(0);
116 case CARD_RELEASE:
117 release_io_hfcs(cs);
118 return(0);
119 case CARD_INIT:
120 delay = (75*HZ)/100 +1;
121 mod_timer(&cs->hw.hfcD.timer, jiffies + delay);
122 spin_lock_irqsave(&cs->lock, flags);
123 reset_hfcs(cs);
124 init2bds0(cs);
125 spin_unlock_irqrestore(&cs->lock, flags);
126 delay = (80*HZ)/1000 +1;
127 msleep(80);
128 spin_lock_irqsave(&cs->lock, flags);
129 cs->hw.hfcD.ctmt |= HFCD_TIM800;
130 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
131 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
132 spin_unlock_irqrestore(&cs->lock, flags);
133 return(0);
134 case CARD_TEST:
135 return(0);
136 }
137 return(0);
138 }
139
140 #ifdef __ISAPNP__
141 static struct isapnp_device_id hfc_ids[] __devinitdata = {
142 { ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
143 ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
144 (unsigned long) "Acer P10" },
145 { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
146 ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
147 (unsigned long) "Billion 2" },
148 { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
149 ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
150 (unsigned long) "Billion 1" },
151 { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
152 ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
153 (unsigned long) "IStar PnP" },
154 { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
155 ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
156 (unsigned long) "Teles 16.3c" },
157 { ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
158 ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
159 (unsigned long) "Tornado Tipa C" },
160 { ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
161 ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
162 (unsigned long) "Genius Speed Surfer" },
163 { 0, }
164 };
165
166 static struct isapnp_device_id *ipid __devinitdata = &hfc_ids[0];
167 static struct pnp_card *pnp_c __devinitdata = NULL;
168 #endif
169
170 int __devinit
171 setup_hfcs(struct IsdnCard *card)
172 {
173 struct IsdnCardState *cs = card->cs;
174 char tmp[64];
175
176 strcpy(tmp, hfcs_revision);
177 printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
178
179 #ifdef __ISAPNP__
180 if (!card->para[1] && isapnp_present()) {
181 struct pnp_dev *pnp_d;
182 while(ipid->card_vendor) {
183 if ((pnp_c = pnp_find_card(ipid->card_vendor,
184 ipid->card_device, pnp_c))) {
185 pnp_d = NULL;
186 if ((pnp_d = pnp_find_dev(pnp_c,
187 ipid->vendor, ipid->function, pnp_d))) {
188 int err;
189
190 printk(KERN_INFO "HiSax: %s detected\n",
191 (char *)ipid->driver_data);
192 pnp_disable_dev(pnp_d);
193 err = pnp_activate_dev(pnp_d);
194 if (err<0) {
195 printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
196 __FUNCTION__, err);
197 return(0);
198 }
199 card->para[1] = pnp_port_start(pnp_d, 0);
200 card->para[0] = pnp_irq(pnp_d, 0);
201 if (!card->para[0] || !card->para[1]) {
202 printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lx\n",
203 card->para[0], card->para[1]);
204 pnp_disable_dev(pnp_d);
205 return(0);
206 }
207 break;
208 } else {
209 printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
210 }
211 }
212 ipid++;
213 pnp_c = NULL;
214 }
215 if (!ipid->card_vendor) {
216 printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
217 return(0);
218 }
219 }
220 #endif
221 cs->hw.hfcD.addr = card->para[1] & 0xfffe;
222 cs->irq = card->para[0];
223 cs->hw.hfcD.cip = 0;
224 cs->hw.hfcD.int_s1 = 0;
225 cs->hw.hfcD.send = NULL;
226 cs->bcs[0].hw.hfc.send = NULL;
227 cs->bcs[1].hw.hfc.send = NULL;
228 cs->hw.hfcD.dfifosize = 512;
229 cs->dc.hfcd.ph_state = 0;
230 cs->hw.hfcD.fifo = 255;
231 if (cs->typ == ISDN_CTYPE_TELES3C) {
232 cs->hw.hfcD.bfifosize = 1024 + 512;
233 } else if (cs->typ == ISDN_CTYPE_ACERP10) {
234 cs->hw.hfcD.bfifosize = 7*1024 + 512;
235 } else
236 return (0);
237 if (!request_region(cs->hw.hfcD.addr, 2, "HFCS isdn")) {
238 printk(KERN_WARNING
239 "HiSax: %s config port %x-%x already in use\n",
240 CardType[card->typ],
241 cs->hw.hfcD.addr,
242 cs->hw.hfcD.addr + 2);
243 return (0);
244 }
245 printk(KERN_INFO
246 "HFCS: defined at 0x%x IRQ %d HZ %d\n",
247 cs->hw.hfcD.addr,
248 cs->irq, HZ);
249 if (cs->typ == ISDN_CTYPE_TELES3C) {
250 /* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
251 outb(0x00, cs->hw.hfcD.addr);
252 outb(0x56, cs->hw.hfcD.addr | 1);
253 } else if (cs->typ == ISDN_CTYPE_ACERP10) {
254 /* Acer P10 IO ADR is 0x300 */
255 outb(0x00, cs->hw.hfcD.addr);
256 outb(0x57, cs->hw.hfcD.addr | 1);
257 }
258 set_cs_func(cs);
259 cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
260 cs->hw.hfcD.timer.data = (long) cs;
261 init_timer(&cs->hw.hfcD.timer);
262 cs->cardmsg = &hfcs_card_msg;
263 cs->irq_func = &hfcs_interrupt;
264 return (1);
265 }
266
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