LXR linux/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
  19static const char *hfcs_revision = "$Revision: 1.10.2.4 $";
  20
  21static irqreturn_t
  22hfcs_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
  43static void
  44hfcs_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
  53static void
  54release_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
  62static void
  63reset_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
 100static int
 101hfcs_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__
 139static 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
 164static struct isapnp_device_id *ipid = &hfc_ids[0];
 165static struct pnp_card *pnp_c = NULL;
 166#endif
 167
 168int 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}
 263