drivers/isdn/hisax/hfcscard.c

   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, struct pt_regs *regs)
  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                         cs->hw.hfcD.timer.expires = jiffies + delay;
 122                         add_timer(&cs->hw.hfcD.timer);
 123                         spin_lock_irqsave(&cs->lock, flags);
 124                         reset_hfcs(cs);
 125                         init2bds0(cs);
 126                         spin_unlock_irqrestore(&cs->lock, flags);
 127                         delay = (80*HZ)/1000 +1;
 128                         msleep(80);
 129                         spin_lock_irqsave(&cs->lock, flags);
 130                         cs->hw.hfcD.ctmt |= HFCD_TIM800;
 131                         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
 132                         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
 133                         spin_unlock_irqrestore(&cs->lock, flags);
 134                         return(0);
 135                 case CARD_TEST:
 136                         return(0);
 137         }
 138         return(0);
 139 }
 140
 141 #ifdef __ISAPNP__
 142 static struct isapnp_device_id hfc_ids[] __initdata = {
 143         { ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
 144           ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
 145           (unsigned long) "Acer P10" },
 146         { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
 147           ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
 148           (unsigned long) "Billion 2" },
 149         { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
 150           ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
 151           (unsigned long) "Billion 1" },
 152         { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
 153           ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
 154           (unsigned long) "IStar PnP" },
 155         { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
 156           ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
 157           (unsigned long) "Teles 16.3c" },
 158         { ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
 159           ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
 160           (unsigned long) "Tornado Tipa C" },
 161         { ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
 162           ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
 163           (unsigned long) "Genius Speed Surfer" },
 164         { 0, }
 165 };
 166
 167 static struct isapnp_device_id *ipid __initdata = &hfc_ids[0];
 168 static struct pnp_card *pnp_c __devinitdata = NULL;
 169 #endif
 170
 171 int __init
 172 setup_hfcs(struct IsdnCard *card)
 173 {
 174         struct IsdnCardState *cs = card->cs;
 175         char tmp[64];
 176
 177         strcpy(tmp, hfcs_revision);
 178         printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
 179
 180 #ifdef __ISAPNP__
 181         if (!card->para[1] && isapnp_present()) {
 182                 struct pnp_dev *pnp_d;
 183                 while(ipid->card_vendor) {
 184                         if ((pnp_c = pnp_find_card(ipid->card_vendor,
 185                                 ipid->card_device, pnp_c))) {
 186                                 pnp_d = NULL;
 187                                 if ((pnp_d = pnp_find_dev(pnp_c,
 188                                         ipid->vendor, ipid->function, pnp_d))) {
 189                                         int err;
 190
 191                                         printk(KERN_INFO "HiSax: %s detected\n",
 192                                                 (char *)ipid->driver_data);
 193                                         pnp_disable_dev(pnp_d);
 194                                         err = pnp_activate_dev(pnp_d);
 195                                         if (err<0) {
 196                                                 printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
 197                                                         __FUNCTION__, err);
 198                                                 return(0);
 199                                         }
 200                                         card->para[1] = pnp_port_start(pnp_d, 0);
 201                                         card->para[0] = pnp_irq(pnp_d, 0);
 202                                         if (!card->para[0] || !card->para[1]) {
 203                                                 printk(KERN_ERR "HFC PnP:some resources are missing %ld/%lx\n",
 204                                                         card->para[0], card->para[1]);
 205                                                 pnp_disable_dev(pnp_d);
 206                                                 return(0);
 207                                         }
 208                                         break;
 209                                 } else {
 210                                         printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
 211                                 }
 212                         }
 213                         ipid++;
 214                         pnp_c = NULL;
 215                 }
 216                 if (!ipid->card_vendor) {
 217                         printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
 218                         return(0);
 219                 }
 220         }
 221 #endif
 222         cs->hw.hfcD.addr = card->para[1] & 0xfffe;
 223         cs->irq = card->para[0];
 224         cs->hw.hfcD.cip = 0;
 225         cs->hw.hfcD.int_s1 = 0;
 226         cs->hw.hfcD.send = NULL;
 227         cs->bcs[0].hw.hfc.send = NULL;
 228         cs->bcs[1].hw.hfc.send = NULL;
 229         cs->hw.hfcD.dfifosize = 512;
 230         cs->dc.hfcd.ph_state = 0;
 231         cs->hw.hfcD.fifo = 255;
 232         if (cs->typ == ISDN_CTYPE_TELES3C) {
 233                 cs->hw.hfcD.bfifosize = 1024 + 512;
 234         } else if (cs->typ == ISDN_CTYPE_ACERP10) {
 235                 cs->hw.hfcD.bfifosize = 7*1024 + 512;
 236         } else
 237                 return (0);
 238         if (!request_region(cs->hw.hfcD.addr, 2, "HFCS isdn")) {
 239                 printk(KERN_WARNING
 240                        "HiSax: %s config port %x-%x already in use\n",
 241                        CardType[card->typ],
 242                        cs->hw.hfcD.addr,
 243                        cs->hw.hfcD.addr + 2);
 244                 return (0);
 245         }
 246         printk(KERN_INFO
 247                "HFCS: defined at 0x%x IRQ %d HZ %d\n",
 248                cs->hw.hfcD.addr,
 249                cs->irq, HZ);
 250         if (cs->typ == ISDN_CTYPE_TELES3C) {
 251                 /* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
 252                 outb(0x00, cs->hw.hfcD.addr);
 253                 outb(0x56, cs->hw.hfcD.addr | 1);
 254         } else if (cs->typ == ISDN_CTYPE_ACERP10) {
 255                 /* Acer P10 IO ADR is 0x300 */
 256                 outb(0x00, cs->hw.hfcD.addr);
 257                 outb(0x57, cs->hw.hfcD.addr | 1);
 258         }
 259         set_cs_func(cs);
 260         cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
 261         cs->hw.hfcD.timer.data = (long) cs;
 262         init_timer(&cs->hw.hfcD.timer);
 263         cs->cardmsg = &hfcs_card_msg;
 264         cs->irq_func = &hfcs_interrupt;
 265         return (1);
 266 }