perf bench futex: Cache align the worker struct
[linux/fpc-iii.git] / drivers / isdn / hisax / hfcscard.c
blob394da646e97b7316e618f054519095f83c338caa
1 /* $Id: hfcscard.c,v 1.10.2.4 2004/01/14 16:04:48 keil Exp $
3 * low level stuff for hfcs based cards (Teles3c, ACER P10)
5 * Author Karsten Keil
6 * Copyright by Karsten Keil <keil@isdn4linux.de>
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
13 #include <linux/init.h>
14 #include <linux/isapnp.h>
15 #include "hisax.h"
16 #include "hfc_2bds0.h"
17 #include "isdnl1.h"
19 static const char *hfcs_revision = "$Revision: 1.10.2.4 $";
21 static irqreturn_t
22 hfcs_interrupt(int intno, void *dev_id)
24 struct IsdnCardState *cs = dev_id;
25 u_char val, stat;
26 u_long flags;
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);
39 spin_unlock_irqrestore(&cs->lock, flags);
40 return IRQ_HANDLED;
43 static void
44 hfcs_Timer(struct IsdnCardState *cs)
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);
53 static void
54 release_io_hfcs(struct IsdnCardState *cs)
56 release2bds0(cs);
57 del_timer(&cs->hw.hfcD.timer);
58 if (cs->hw.hfcD.addr)
59 release_region(cs->hw.hfcD.addr, 2);
62 static void
63 reset_hfcs(struct IsdnCardState *cs)
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);
100 static int
101 hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
103 u_long flags;
104 int delay;
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);
135 return (0);
138 #ifdef __ISAPNP__
139 static struct isapnp_device_id hfc_ids[] = {
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, }
164 static struct isapnp_device_id *ipid = &hfc_ids[0];
165 static struct pnp_card *pnp_c = NULL;
166 #endif
168 int setup_hfcs(struct IsdnCard *card)
170 struct IsdnCardState *cs = card->cs;
171 char tmp[64];
173 strcpy(tmp, hfcs_revision);
174 printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
176 #ifdef __ISAPNP__
177 if (!card->para[1] && isapnp_present()) {
178 struct pnp_dev *pnp_d;
179 while (ipid->card_vendor) {
180 if ((pnp_c = pnp_find_card(ipid->card_vendor,
181 ipid->card_device, pnp_c))) {
182 pnp_d = NULL;
183 if ((pnp_d = pnp_find_dev(pnp_c,
184 ipid->vendor, ipid->function, pnp_d))) {
185 int err;
187 printk(KERN_INFO "HiSax: %s detected\n",
188 (char *)ipid->driver_data);
189 pnp_disable_dev(pnp_d);
190 err = pnp_activate_dev(pnp_d);
191 if (err < 0) {
192 printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
193 __func__, err);
194 return (0);
196 card->para[1] = pnp_port_start(pnp_d, 0);
197 card->para[0] = pnp_irq(pnp_d, 0);
198 if (!card->para[0] || !card->para[1]) {
199 printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lx\n",
200 card->para[0], card->para[1]);
201 pnp_disable_dev(pnp_d);
202 return (0);
204 break;
205 } else {
206 printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
209 ipid++;
210 pnp_c = NULL;
212 if (!ipid->card_vendor) {
213 printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
214 return (0);
217 #endif
218 cs->hw.hfcD.addr = card->para[1] & 0xfffe;
219 cs->irq = card->para[0];
220 cs->hw.hfcD.cip = 0;
221 cs->hw.hfcD.int_s1 = 0;
222 cs->hw.hfcD.send = NULL;
223 cs->bcs[0].hw.hfc.send = NULL;
224 cs->bcs[1].hw.hfc.send = NULL;
225 cs->hw.hfcD.dfifosize = 512;
226 cs->dc.hfcd.ph_state = 0;
227 cs->hw.hfcD.fifo = 255;
228 if (cs->typ == ISDN_CTYPE_TELES3C) {
229 cs->hw.hfcD.bfifosize = 1024 + 512;
230 } else if (cs->typ == ISDN_CTYPE_ACERP10) {
231 cs->hw.hfcD.bfifosize = 7 * 1024 + 512;
232 } else
233 return (0);
234 if (!request_region(cs->hw.hfcD.addr, 2, "HFCS isdn")) {
235 printk(KERN_WARNING
236 "HiSax: %s config port %x-%x already in use\n",
237 CardType[card->typ],
238 cs->hw.hfcD.addr,
239 cs->hw.hfcD.addr + 2);
240 return (0);
242 printk(KERN_INFO
243 "HFCS: defined at 0x%x IRQ %d HZ %d\n",
244 cs->hw.hfcD.addr,
245 cs->irq, HZ);
246 if (cs->typ == ISDN_CTYPE_TELES3C) {
247 /* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
248 outb(0x00, cs->hw.hfcD.addr);
249 outb(0x56, cs->hw.hfcD.addr | 1);
250 } else if (cs->typ == ISDN_CTYPE_ACERP10) {
251 /* Acer P10 IO ADR is 0x300 */
252 outb(0x00, cs->hw.hfcD.addr);
253 outb(0x57, cs->hw.hfcD.addr | 1);
255 set_cs_func(cs);
256 cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
257 cs->hw.hfcD.timer.data = (long) cs;
258 init_timer(&cs->hw.hfcD.timer);
259 cs->cardmsg = &hfcs_card_msg;
260 cs->irq_func = &hfcs_interrupt;
261 return (1);