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 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
  54static void
  55release_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
  63static void
  64reset_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
 101static int
 102hfcs_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__
 140static 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
 165static struct isapnp_device_id *ipid = &hfc_ids[0];
 166static struct pnp_card *pnp_c = NULL;
 167#endif
 168
 169int 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}
 262