drivers/isdn/hisax/hfcscard.c

   1 /* $Id: hfcscard.c,v 1.1.1.1 2005/04/11 02:50:23 jack 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 #define __NO_VERSION__
  14 #include <linux/init.h>
  15 #include <linux/isapnp.h>
  16 #include "hisax.h"
  17 #include "hfc_2bds0.h"
  18 #include "isdnl1.h"
  19
  20 extern const char *CardType[];
  21
  22 static const char *hfcs_revision = "$Revision: 1.1.1.1 $";
  23
  24 static void
  25 hfcs_interrupt(int intno, void *dev_id, struct pt_regs *regs)
  26 {
  27         struct IsdnCardState *cs = dev_id;
  28         u_char val, stat;
  29
  30         if (!cs) {
  31                 printk(KERN_WARNING "HFCS: Spurious interrupt!\n");
  32                 return;
  33         }
  34         if ((HFCD_ANYINT | HFCD_BUSY_NBUSY) &
  35                 (stat = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_STAT))) {
  36                 val = cs->BC_Read_Reg(cs, HFCD_DATA, HFCD_INT_S1);
  37                 if (cs->debug & L1_DEB_ISAC)
  38                         debugl1(cs, "HFCS: stat(%02x) s1(%02x)", stat, val);
  39                 hfc2bds0_interrupt(cs, val);
  40         } else {
  41                 if (cs->debug & L1_DEB_ISAC)
  42                         debugl1(cs, "HFCS: irq_no_irq stat(%02x)", stat);
  43         }
  44 }
  45
  46 static void
  47 hfcs_Timer(struct IsdnCardState *cs)
  48 {
  49         cs->hw.hfcD.timer.expires = jiffies + 75;
  50         /* WD RESET */
  51 /*      WriteReg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt | 0x80);
  52         add_timer(&cs->hw.hfcD.timer);
  53 */
  54 }
  55
  56 void
  57 release_io_hfcs(struct IsdnCardState *cs)
  58 {
  59         release2bds0(cs);
  60         del_timer(&cs->hw.hfcD.timer);
  61         if (cs->hw.hfcD.addr)
  62                 release_region(cs->hw.hfcD.addr, 2);
  63 }
  64
  65 static void
  66 reset_hfcs(struct IsdnCardState *cs)
  67 {
  68         long flags;
  69
  70         printk(KERN_INFO "HFCS: resetting card\n");
  71         cs->hw.hfcD.cirm = HFCD_RESET;
  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 On */
  75         save_flags(flags);
  76         sti();
  77         set_current_state(TASK_UNINTERRUPTIBLE);
  78         schedule_timeout((30*HZ)/1000);
  79         cs->hw.hfcD.cirm = 0;
  80         if (cs->typ == ISDN_CTYPE_TELES3C)
  81                 cs->hw.hfcD.cirm |= HFCD_MEM8K;
  82         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);   /* Reset Off */
  83         set_current_state(TASK_UNINTERRUPTIBLE);
  84         schedule_timeout((10*HZ)/1000);
  85         if (cs->typ == ISDN_CTYPE_TELES3C)
  86                 cs->hw.hfcD.cirm |= HFCD_INTB;
  87         else if (cs->typ == ISDN_CTYPE_ACERP10)
  88                 cs->hw.hfcD.cirm |= HFCD_INTA;
  89         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CIRM, cs->hw.hfcD.cirm);
  90         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CLKDEL, 0x0e);
  91         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_TEST, HFCD_AUTO_AWAKE); /* S/T Auto awake */
  92         cs->hw.hfcD.ctmt = HFCD_TIM25 | HFCD_AUTO_TIMER;
  93         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
  94         cs->hw.hfcD.int_m2 = HFCD_IRQ_ENABLE;
  95         cs->hw.hfcD.int_m1 = HFCD_INTS_B1TRANS | HFCD_INTS_B2TRANS |
  96                 HFCD_INTS_DTRANS | HFCD_INTS_B1REC | HFCD_INTS_B2REC |
  97                 HFCD_INTS_DREC | HFCD_INTS_L1STATE;
  98         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M1, cs->hw.hfcD.int_m1);
  99         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_INT_M2, cs->hw.hfcD.int_m2);
 100         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, HFCD_LOAD_STATE | 2); /* HFC ST 2 */
 101         udelay(10);
 102         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_STATES, 2); /* HFC ST 2 */
 103         cs->hw.hfcD.mst_m = HFCD_MASTER;
 104         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m); /* HFC Master */
 105         cs->hw.hfcD.sctrl = 0;
 106         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_SCTRL, cs->hw.hfcD.sctrl);
 107         restore_flags(flags);
 108 }
 109
 110 static int
 111 hfcs_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 112 {
 113         long flags;
 114
 115         if (cs->debug & L1_DEB_ISAC)
 116                 debugl1(cs, "HFCS: card_msg %x", mt);
 117         switch (mt) {
 118                 case CARD_RESET:
 119                         reset_hfcs(cs);
 120                         return(0);
 121                 case CARD_RELEASE:
 122                         release_io_hfcs(cs);
 123                         return(0);
 124                 case CARD_INIT:
 125                         cs->hw.hfcD.timer.expires = jiffies + 75;
 126                         add_timer(&cs->hw.hfcD.timer);
 127                         init2bds0(cs);
 128                         save_flags(flags);
 129                         sti();
 130                         set_current_state(TASK_UNINTERRUPTIBLE);
 131                         schedule_timeout((80*HZ)/1000);
 132                         cs->hw.hfcD.ctmt |= HFCD_TIM800;
 133                         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_CTMT, cs->hw.hfcD.ctmt);
 134                         cs->BC_Write_Reg(cs, HFCD_DATA, HFCD_MST_MODE, cs->hw.hfcD.mst_m);
 135                         restore_flags(flags);
 136                         return(0);
 137                 case CARD_TEST:
 138                         return(0);
 139         }
 140         return(0);
 141 }
 142
 143 #ifdef __ISAPNP__
 144 static struct isapnp_device_id hfc_ids[] __initdata = {
 145         { ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
 146           ISAPNP_VENDOR('A', 'N', 'X'), ISAPNP_FUNCTION(0x1114),
 147           (unsigned long) "Acer P10" },
 148         { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
 149           ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0002),
 150           (unsigned long) "Billion 2" },
 151         { ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
 152           ISAPNP_VENDOR('B', 'I', 'L'), ISAPNP_FUNCTION(0x0001),
 153           (unsigned long) "Billion 1" },
 154         { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
 155           ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x7410),
 156           (unsigned long) "IStar PnP" },
 157         { ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
 158           ISAPNP_VENDOR('T', 'A', 'G'), ISAPNP_FUNCTION(0x2610),
 159           (unsigned long) "Teles 16.3c" },
 160         { ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
 161           ISAPNP_VENDOR('S', 'F', 'M'), ISAPNP_FUNCTION(0x0001),
 162           (unsigned long) "Tornado Tipa C" },
 163         { ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
 164           ISAPNP_VENDOR('K', 'Y', 'E'), ISAPNP_FUNCTION(0x0001),
 165           (unsigned long) "Genius Speed Surfer" },
 166         { 0, }
 167 };
 168
 169 static struct isapnp_device_id *hdev = &hfc_ids[0];
 170 static struct pci_bus *pnp_c __devinitdata = NULL;
 171 #endif
 172
 173 int __init
 174 setup_hfcs(struct IsdnCard *card)
 175 {
 176         struct IsdnCardState *cs = card->cs;
 177         char tmp[64];
 178
 179         strcpy(tmp, hfcs_revision);
 180         printk(KERN_INFO "HiSax: HFC-S driver Rev. %s\n", HiSax_getrev(tmp));
 181
 182 #ifdef __ISAPNP__
 183         if (!card->para[1] && isapnp_present()) {
 184                 struct pci_bus *pb;
 185                 struct pci_dev *pd;
 186
 187                 while(hdev->card_vendor) {
 188                         if ((pb = isapnp_find_card(hdev->card_vendor,
 189                                 hdev->card_device, pnp_c))) {
 190                                 pnp_c = pb;
 191                                 pd = NULL;
 192                                 if ((pd = isapnp_find_dev(pnp_c,
 193                                         hdev->vendor, hdev->function, pd))) {
 194                                         printk(KERN_INFO "HiSax: %s detected\n",
 195                                                 (char *)hdev->driver_data);
 196                                         pd->prepare(pd);
 197                                         pd->deactivate(pd);
 198                                         pd->activate(pd);
 199                                         card->para[1] = pd->resource[0].start;
 200                                         card->para[0] = pd->irq_resource[0].start;
 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                                                 pd->deactivate(pd);
 205                                                 return(0);
 206                                         }
 207                                         break;
 208                                 } else {
 209                                         printk(KERN_ERR "HFC PnP: PnP error card found, no device\n");
 210                                 }
 211                         }
 212                         hdev++;
 213                         pnp_c=NULL;
 214                 }
 215                 if (!hdev->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 (check_region((cs->hw.hfcD.addr), 2)) {
 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         } else {
 245                 request_region(cs->hw.hfcD.addr, 2, "HFCS isdn");
 246         }
 247         printk(KERN_INFO
 248                "HFCS: defined at 0x%x IRQ %d HZ %d\n",
 249                cs->hw.hfcD.addr,
 250                cs->irq, HZ);
 251         if (cs->typ == ISDN_CTYPE_TELES3C) {
 252                 /* Teles 16.3c IO ADR is 0x200 | YY0U (YY Bit 15/14 address) */
 253                 outb(0x00, cs->hw.hfcD.addr);
 254                 outb(0x56, cs->hw.hfcD.addr | 1);
 255         } else if (cs->typ == ISDN_CTYPE_ACERP10) {
 256                 /* Acer P10 IO ADR is 0x300 */
 257                 outb(0x00, cs->hw.hfcD.addr);
 258                 outb(0x57, cs->hw.hfcD.addr | 1);
 259         }
 260         set_cs_func(cs);
 261         cs->hw.hfcD.timer.function = (void *) hfcs_Timer;
 262         cs->hw.hfcD.timer.data = (long) cs;
 263         init_timer(&cs->hw.hfcD.timer);
 264         reset_hfcs(cs);
 265         cs->cardmsg = &hfcs_card_msg;
 266         cs->irq_func = &hfcs_interrupt;
 267         return (1);
 268 }