kernel/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 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[] = {
 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 = &hfc_ids[0];
 165 static struct pnp_card *pnp_c = NULL;
 166 #endif
 167
 168 int setup_hfcs(struct IsdnCard *card)
 169 {
 170         struct IsdnCardState *cs = card->cs;
 171         char tmp[64];
 172
 173         strcpy(tmp, hfcs_revision);
 174         printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
 175
 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;
 186
 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);
 195                                         }
 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);
 203                                         }
 204                                         break;
 205                                 } else {
 206                                         printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
 207                                 }
 208                         }
 209                         ipid++;
 210                         pnp_c = NULL;
 211                 }
 212                 if (!ipid->card_vendor) {
 213                         printk(KERN_INFO "HFC PnP: no ISAPnP card found\n");
 214                         return (0);
 215                 }
 216         }
 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);
 241         }
 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);
 254         }
 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);
 262 }