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 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 timer_list *t)
  45 {
  46         struct IsdnCardState *cs = from_timer(cs, t, hw.hfcD.timer);
  47         cs->hw.hfcD.timer.expires = jiffies + 75;
  48         /* WD RESET */
  49 /*      WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
  50         add_timer(&cs->hw.hfcD.timer);
  51 */
  52 }
  53
  54 static void
  55 release_io_hfcs(struct IsdnCardState *cs)
  56 {
  57         release2bds0(cs);
  58         del_timer(&cs->hw.hfcD.timer);
  59         if (cs->hw.hfcD.addr)
  60                 release_region(cs->hw.hfcD.addr, 2);
  61 }
  62
  63 static void
  64 reset_hfcs(struct IsdnCardState *cs)
  65 {
  66         printk(KERN_INFO "HFCS: resetting card\n");
  67         cs->hw.hfcD.cirm = HFCD_RESET;
  68         if (cs->typ == ISDN_CTYPE_TELES3C)
  69                 cs->hw.hfcD.cirm |= HFCD_MEM8K;
  70         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);   /* Reset On */
  71         mdelay(10);
  72         cs->hw.hfcD.cirm = 0;
  73         if (cs->typ == ISDN_CTYPE_TELES3C)
  74                 cs->hw.hfcD.cirm |= HFCD_MEM8K;
  75         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);   /* Reset Off */
  76         mdelay(10);
  77         if (cs->typ == ISDN_CTYPE_TELES3C)
  78                 cs->hw.hfcD.cirm |= HFCD_INTB;
  79         else if (cs->typ == ISDN_CTYPE_ACERP10)
  80                 cs->hw.hfcD.cirm |= HFCD_INTA;
  81         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
  82         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
  83         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
  84         cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
  85         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
  86         cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
  87         cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
  88                 HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
  89                 HFCD_INTS_DREC | HFCD_INTS_L1STATE;
  90         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
  91         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
  92         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
  93         udelay(10);
  94         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
  95         cs->hw.hfcD.mst_m = HFCD_MASTER;
  96         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
  97         cs->hw.hfcD.sctrl = 0;
  98         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
  99 }
 100
 101 static int
 102 hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 103 {
 104         u_long flags;
 105         int delay;
 106
 107         if (cs->debug & L1_DEB_ISAC)
 108                 debugl1(cs, "HFCS: card_msg %x", mt);
 109         switch (mt) {
 110         case CARD_RESET:
 111                 spin_lock_irqsave(&cs->lock, flags);
 112                 reset_hfcs(cs);
 113                 spin_unlock_irqrestore(&cs->lock, flags);
 114                 return (0);
 115         case CARD_RELEASE:
 116                 release_io_hfcs(cs);
 117                 return (0);
 118         case CARD_INIT:
 119                 delay = (75 * HZ) / 100 + 1;
 120                 mod_timer(&cs->hw.hfcD.timer, jiffies + delay);
 121                 spin_lock_irqsave(&cs->lock, flags);
 122                 reset_hfcs(cs);
 123                 init2bds0(cs);
 124                 spin_unlock_irqrestore(&cs->lock, flags);
 125                 delay = (80 * HZ) / 1000 + 1;
 126                 msleep(80);
 127                 spin_lock_irqsave(&cs->lock, flags);
 128                 cs->hw.hfcD.ctmt |= HFCD_TIM800;
 129                 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
 130                 cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
 131                 spin_unlock_irqrestore(&cs->lock, flags);
 132                 return (0);
 133         case CARD_TEST:
 134                 return (0);
 135         }
 136         return (0);
 137 }
 138
 139 #ifdef __ISAPNP__
 140 static struct isapnp_device_id hfc_ids[] = {
 141         { ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
 142           ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
 143           (unsigned long) "Acer P10" },
 144         { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
 145           ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
 146           (unsigned long) "Billion 2" },
 147         { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
 148           ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
 149           (unsigned long) "Billion 1" },
 150         { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
 151           ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
 152           (unsigned long) "IStar PnP" },
 153         { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
 154           ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
 155           (unsigned long) "Teles 16.3c" },
 156         { ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
 157           ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
 158           (unsigned long) "Tornado Tipa C" },
 159         { ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
 160           ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
 161           (unsigned long) "Genius Speed Surfer" },
 162         { 0, }
 163 };
 164
 165 static struct isapnp_device_id *ipid = &hfc_ids[0];
 166 static struct pnp_card *pnp_c = NULL;
 167 #endif
 168
 169 int 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] == -1 || !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         timer_setup(&cs->hw.hfcD.timer, hfcs_Timer, 0);
 258         cs->cardmsg = &hfcs_card_msg;
 259         cs->irq_func = &hfcs_interrupt;
 260         return (1);
 261 }