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1626 |
jcastillo |
/* $Id: isar.c,v 1.1 2005-12-20 10:17:01 jcastillo Exp $
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* isar.c ISAR (Siemens PSB 7110) specific routines
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*
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* Author Karsten Keil (keil@isdn4linux.de)
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*
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*
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* $Log: not supported by cvs2svn $
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* Revision 1.1.1.1 2001/09/10 07:44:18 simons
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* Initial import
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*
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* Revision 1.1.1.1 2001/07/02 17:58:32 simons
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* Initial revision
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*
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* Revision 1.1.2.4 1998/11/03 00:06:44 keil
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* certification related changes
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* fixed logging for smaller stack use
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*
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* Revision 1.1.2.3 1998/10/04 23:04:58 keil
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* ISAR works now
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*
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* Revision 1.1.2.2 1998/09/30 22:28:07 keil
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* more work for isar support
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*
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* Revision 1.1.2.1 1998/09/27 13:01:43 keil
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* Start support for ISAR based cards
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*
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* Revision 1.1 1998/08/13 23:33:47 keil
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* First version, only init
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*
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*
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*/
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#define __NO_VERSION__
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#include "hisax.h"
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#include "isar.h"
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#include "isdnl1.h"
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#include <linux/interrupt.h>
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#define DBG_LOADFIRM 0
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#define DUMP_MBOXFRAME 2
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#define MIN(a,b) ((a<b)?a:b)
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void isar_setup(struct IsdnCardState *cs);
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static inline int
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waitforHIA(struct IsdnCardState *cs, int timeout)
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{
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while ((cs->BC_Read_Reg(cs, 0, ISAR_HIA) & 1) && timeout) {
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udelay(1);
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timeout--;
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}
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if (!timeout)
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printk(KERN_WARNING "HiSax: ISAR waitforHIA timeout\n");
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return(timeout);
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}
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int
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sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len,
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u_char *msg)
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{
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long flags;
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int i;
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| 68 |
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if (!waitforHIA(cs, 4000))
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return(0);
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#if DUMP_MBOXFRAME
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if (cs->debug & L1_DEB_HSCX)
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debugl1(cs, "sendmsg(%02x,%02x,%d)", his, creg, len);
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#endif
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save_flags(flags);
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cli();
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cs->BC_Write_Reg(cs, 0, ISAR_CTRL_H, creg);
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cs->BC_Write_Reg(cs, 0, ISAR_CTRL_L, len);
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cs->BC_Write_Reg(cs, 0, ISAR_WADR, 0);
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if (msg && len) {
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cs->BC_Write_Reg(cs, 1, ISAR_MBOX, msg[0]);
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for (i=1; i<len; i++)
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cs->BC_Write_Reg(cs, 2, ISAR_MBOX, msg[i]);
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#if DUMP_MBOXFRAME>1
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if (cs->debug & L1_DEB_HSCX_FIFO) {
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char tmp[256], *t;
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i = len;
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while (i>0) {
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t = tmp;
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t += sprintf(t, "sendmbox cnt %d", len);
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QuickHex(t, &msg[len-i], (i>64) ? 64:i);
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debugl1(cs, tmp);
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i -= 64;
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}
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}
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#endif
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}
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cs->BC_Write_Reg(cs, 1, ISAR_HIS, his);
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restore_flags(flags);
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waitforHIA(cs, 10000);
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return(1);
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}
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/* Call only with IRQ disabled !!! */
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inline void
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rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg)
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{
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int i;
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cs->BC_Write_Reg(cs, 1, ISAR_RADR, 0);
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if (msg && ireg->clsb) {
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msg[0] = cs->BC_Read_Reg(cs, 1, ISAR_MBOX);
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for (i=1; i < ireg->clsb; i++)
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msg[i] = cs->BC_Read_Reg(cs, 2, ISAR_MBOX);
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#if DUMP_MBOXFRAME>1
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if (cs->debug & L1_DEB_HSCX_FIFO) {
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char tmp[256], *t;
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i = ireg->clsb;
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while (i>0) {
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t = tmp;
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t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb);
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QuickHex(t, &msg[ireg->clsb-i], (i>64) ? 64:i);
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debugl1(cs, tmp);
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i -= 64;
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}
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}
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#endif
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}
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cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
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}
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/* Call only with IRQ disabled !!! */
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inline void
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get_irq_infos(struct IsdnCardState *cs, struct isar_reg *ireg)
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{
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ireg->iis = cs->BC_Read_Reg(cs, 1, ISAR_IIS);
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| 138 |
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ireg->cmsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_H);
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ireg->clsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_L);
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| 140 |
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#if DUMP_MBOXFRAME
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if (cs->debug & L1_DEB_HSCX)
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debugl1(cs, "rcv_mbox(%02x,%02x,%d)", ireg->iis, ireg->cmsb,
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ireg->clsb);
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#endif
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| 145 |
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}
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| 146 |
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| 147 |
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int
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waitrecmsg(struct IsdnCardState *cs, u_char *len,
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u_char *msg, int maxdelay)
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| 150 |
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{
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int timeout = 0;
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long flags;
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struct isar_reg *ir = cs->bcs[0].hw.isar.reg;
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| 156 |
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while((!(cs->BC_Read_Reg(cs, 0, ISAR_IRQBIT) & ISAR_IRQSTA)) &&
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(timeout++ < maxdelay))
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udelay(1);
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| 159 |
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if (timeout >= maxdelay) {
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printk(KERN_WARNING"isar recmsg IRQSTA timeout\n");
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return(0);
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}
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save_flags(flags);
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cli();
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get_irq_infos(cs, ir);
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rcv_mbox(cs, ir, msg);
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*len = ir->clsb;
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restore_flags(flags);
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return(1);
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| 170 |
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}
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| 171 |
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| 172 |
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int
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| 173 |
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ISARVersion(struct IsdnCardState *cs, char *s)
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{
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| 175 |
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int ver;
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| 176 |
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u_char msg[] = ISAR_MSG_HWVER;
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| 177 |
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u_char tmp[64];
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| 178 |
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u_char len;
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| 179 |
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int debug;
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| 180 |
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| 181 |
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cs->cardmsg(cs, CARD_RESET, NULL);
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| 182 |
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/* disable ISAR IRQ */
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| 183 |
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cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
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debug = cs->debug;
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cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
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| 186 |
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if (!sendmsg(cs, ISAR_HIS_VNR, 0, 3, msg))
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| 187 |
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return(-1);
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| 188 |
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if (!waitrecmsg(cs, &len, tmp, 100000))
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| 189 |
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return(-2);
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| 190 |
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cs->debug = debug;
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| 191 |
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if (cs->bcs[0].hw.isar.reg->iis == ISAR_IIS_VNR) {
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| 192 |
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if (len == 1) {
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| 193 |
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ver = tmp[0] & 0xf;
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| 194 |
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printk(KERN_INFO "%s ISAR version %d\n", s, ver);
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| 195 |
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return(ver);
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| 196 |
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}
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| 197 |
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return(-3);
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| 198 |
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}
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| 199 |
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return(-4);
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| 200 |
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}
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| 201 |
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| 202 |
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int
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| 203 |
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isar_load_firmware(struct IsdnCardState *cs, u_char *buf)
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| 204 |
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{
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| 205 |
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int ret, size, cnt, debug;
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| 206 |
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u_char len, nom, noc;
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| 207 |
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u_short sadr, left, *sp;
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| 208 |
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u_char *p = buf;
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| 209 |
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u_char *msg, *tmpmsg, *mp, tmp[64];
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| 210 |
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long flags;
|
| 211 |
|
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struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
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| 212 |
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| 213 |
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struct {u_short sadr;
|
| 214 |
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u_short len;
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| 215 |
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u_short d_key;
|
| 216 |
|
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} blk_head;
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| 217 |
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|
| 218 |
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#define BLK_HEAD_SIZE 6
|
| 219 |
|
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if (1 != (ret = ISARVersion(cs, "Testing"))) {
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| 220 |
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printk(KERN_ERR"isar_load_firmware wrong isar version %d\n", ret);
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| 221 |
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return(1);
|
| 222 |
|
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}
|
| 223 |
|
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debug = cs->debug;
|
| 224 |
|
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#if DBG_LOADFIRM<2
|
| 225 |
|
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cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
|
| 226 |
|
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#endif
|
| 227 |
|
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printk(KERN_DEBUG"isar_load_firmware buf %#lx\n", (u_long)buf);
|
| 228 |
|
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if ((ret = verify_area(VERIFY_READ, (void *) p, sizeof(int)))) {
|
| 229 |
|
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printk(KERN_ERR"isar_load_firmware verify_area ret %d\n", ret);
|
| 230 |
|
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return ret;
|
| 231 |
|
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}
|
| 232 |
|
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if ((ret = copy_from_user(&size, p, sizeof(int)))) {
|
| 233 |
|
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printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
|
| 234 |
|
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return ret;
|
| 235 |
|
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}
|
| 236 |
|
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p += sizeof(int);
|
| 237 |
|
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printk(KERN_DEBUG"isar_load_firmware size: %d\n", size);
|
| 238 |
|
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if ((ret = verify_area(VERIFY_READ, (void *) p, size))) {
|
| 239 |
|
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printk(KERN_ERR"isar_load_firmware verify_area ret %d\n", ret);
|
| 240 |
|
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return ret;
|
| 241 |
|
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}
|
| 242 |
|
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cnt = 0;
|
| 243 |
|
|
/* disable ISAR IRQ */
|
| 244 |
|
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cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
|
| 245 |
|
|
if (!(msg = kmalloc(256, GFP_KERNEL))) {
|
| 246 |
|
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printk(KERN_ERR"isar_load_firmware no buffer\n");
|
| 247 |
|
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return (1);
|
| 248 |
|
|
}
|
| 249 |
|
|
if (!(tmpmsg = kmalloc(256, GFP_KERNEL))) {
|
| 250 |
|
|
printk(KERN_ERR"isar_load_firmware no tmp buffer\n");
|
| 251 |
|
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kfree(msg);
|
| 252 |
|
|
return (1);
|
| 253 |
|
|
}
|
| 254 |
|
|
while (cnt < size) {
|
| 255 |
|
|
if ((ret = copy_from_user(&blk_head, p, BLK_HEAD_SIZE))) {
|
| 256 |
|
|
printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
|
| 257 |
|
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goto reterror;
|
| 258 |
|
|
}
|
| 259 |
|
|
cnt += BLK_HEAD_SIZE;
|
| 260 |
|
|
p += BLK_HEAD_SIZE;
|
| 261 |
|
|
printk(KERN_DEBUG"isar firmware block (%#x,%5d,%#x)\n",
|
| 262 |
|
|
blk_head.sadr, blk_head.len, blk_head.d_key & 0xff);
|
| 263 |
|
|
sadr = blk_head.sadr;
|
| 264 |
|
|
left = blk_head.len;
|
| 265 |
|
|
if (!sendmsg(cs, ISAR_HIS_DKEY, blk_head.d_key & 0xff, 0, NULL)) {
|
| 266 |
|
|
printk(KERN_ERR"isar sendmsg dkey failed\n");
|
| 267 |
|
|
ret = 1;goto reterror;
|
| 268 |
|
|
}
|
| 269 |
|
|
if (!waitrecmsg(cs, &len, tmp, 100000)) {
|
| 270 |
|
|
printk(KERN_ERR"isar waitrecmsg dkey failed\n");
|
| 271 |
|
|
ret = 1;goto reterror;
|
| 272 |
|
|
}
|
| 273 |
|
|
if ((ireg->iis != ISAR_IIS_DKEY) || ireg->cmsb || len) {
|
| 274 |
|
|
printk(KERN_ERR"isar wrong dkey response (%x,%x,%x)\n",
|
| 275 |
|
|
ireg->iis, ireg->cmsb, len);
|
| 276 |
|
|
ret = 1;goto reterror;
|
| 277 |
|
|
}
|
| 278 |
|
|
while (left>0) {
|
| 279 |
|
|
noc = MIN(126, left);
|
| 280 |
|
|
nom = 2*noc;
|
| 281 |
|
|
mp = msg;
|
| 282 |
|
|
*mp++ = sadr / 256;
|
| 283 |
|
|
*mp++ = sadr % 256;
|
| 284 |
|
|
left -= noc;
|
| 285 |
|
|
*mp++ = noc;
|
| 286 |
|
|
if ((ret = copy_from_user(tmpmsg, p, nom))) {
|
| 287 |
|
|
printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
|
| 288 |
|
|
goto reterror;
|
| 289 |
|
|
}
|
| 290 |
|
|
p += nom;
|
| 291 |
|
|
cnt += nom;
|
| 292 |
|
|
nom += 3;
|
| 293 |
|
|
sp = (u_short *)tmpmsg;
|
| 294 |
|
|
#if DBG_LOADFIRM
|
| 295 |
|
|
printk(KERN_DEBUG"isar: load %3d words at %04x\n",
|
| 296 |
|
|
noc, sadr);
|
| 297 |
|
|
#endif
|
| 298 |
|
|
sadr += noc;
|
| 299 |
|
|
while(noc) {
|
| 300 |
|
|
*mp++ = *sp / 256;
|
| 301 |
|
|
*mp++ = *sp % 256;
|
| 302 |
|
|
sp++;
|
| 303 |
|
|
noc--;
|
| 304 |
|
|
}
|
| 305 |
|
|
if (!sendmsg(cs, ISAR_HIS_FIRM, 0, nom, msg)) {
|
| 306 |
|
|
printk(KERN_ERR"isar sendmsg prog failed\n");
|
| 307 |
|
|
ret = 1;goto reterror;
|
| 308 |
|
|
}
|
| 309 |
|
|
if (!waitrecmsg(cs, &len, tmp, 100000)) {
|
| 310 |
|
|
printk(KERN_ERR"isar waitrecmsg prog failed\n");
|
| 311 |
|
|
ret = 1;goto reterror;
|
| 312 |
|
|
}
|
| 313 |
|
|
if ((ireg->iis != ISAR_IIS_FIRM) || ireg->cmsb || len) {
|
| 314 |
|
|
printk(KERN_ERR"isar wrong prog response (%x,%x,%x)\n",
|
| 315 |
|
|
ireg->iis, ireg->cmsb, len);
|
| 316 |
|
|
ret = 1;goto reterror;
|
| 317 |
|
|
}
|
| 318 |
|
|
}
|
| 319 |
|
|
printk(KERN_DEBUG"isar firmware block %5d words loaded\n",
|
| 320 |
|
|
blk_head.len);
|
| 321 |
|
|
}
|
| 322 |
|
|
msg[0] = 0xff;
|
| 323 |
|
|
msg[1] = 0xfe;
|
| 324 |
|
|
ireg->bstat = 0;
|
| 325 |
|
|
if (!sendmsg(cs, ISAR_HIS_STDSP, 0, 2, msg)) {
|
| 326 |
|
|
printk(KERN_ERR"isar sendmsg start dsp failed\n");
|
| 327 |
|
|
ret = 1;goto reterror;
|
| 328 |
|
|
}
|
| 329 |
|
|
if (!waitrecmsg(cs, &len, tmp, 100000)) {
|
| 330 |
|
|
printk(KERN_ERR"isar waitrecmsg start dsp failed\n");
|
| 331 |
|
|
ret = 1;goto reterror;
|
| 332 |
|
|
}
|
| 333 |
|
|
if ((ireg->iis != ISAR_IIS_STDSP) || ireg->cmsb || len) {
|
| 334 |
|
|
printk(KERN_ERR"isar wrong start dsp response (%x,%x,%x)\n",
|
| 335 |
|
|
ireg->iis, ireg->cmsb, len);
|
| 336 |
|
|
ret = 1;goto reterror;
|
| 337 |
|
|
} else
|
| 338 |
|
|
printk(KERN_DEBUG"isar start dsp success\n");
|
| 339 |
|
|
/* NORMAL mode entered */
|
| 340 |
|
|
/* Enable IRQs of ISAR */
|
| 341 |
|
|
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, ISAR_IRQSTA);
|
| 342 |
|
|
save_flags(flags);
|
| 343 |
|
|
sti();
|
| 344 |
|
|
cnt = 1000; /* max 1s */
|
| 345 |
|
|
while ((!ireg->bstat) && cnt) {
|
| 346 |
|
|
udelay(1000);
|
| 347 |
|
|
cnt--;
|
| 348 |
|
|
}
|
| 349 |
|
|
if (!cnt) {
|
| 350 |
|
|
printk(KERN_ERR"isar no general status event received\n");
|
| 351 |
|
|
ret = 1;goto reterrflg;
|
| 352 |
|
|
} else {
|
| 353 |
|
|
printk(KERN_DEBUG"isar general status event %x\n",
|
| 354 |
|
|
ireg->bstat);
|
| 355 |
|
|
}
|
| 356 |
|
|
ireg->iis = 0;
|
| 357 |
|
|
if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {
|
| 358 |
|
|
printk(KERN_ERR"isar sendmsg self tst failed\n");
|
| 359 |
|
|
ret = 1;goto reterrflg;
|
| 360 |
|
|
}
|
| 361 |
|
|
cnt = 1000; /* max 10 ms */
|
| 362 |
|
|
while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
|
| 363 |
|
|
udelay(10);
|
| 364 |
|
|
cnt--;
|
| 365 |
|
|
}
|
| 366 |
|
|
if (!cnt) {
|
| 367 |
|
|
printk(KERN_ERR"isar no self tst response\n");
|
| 368 |
|
|
ret = 1;goto reterrflg;
|
| 369 |
|
|
} else if ((ireg->cmsb == ISAR_CTRL_STST) && (ireg->clsb == 1)
|
| 370 |
|
|
&& (ireg->par[0] == 0)) {
|
| 371 |
|
|
printk(KERN_DEBUG"isar selftest OK\n");
|
| 372 |
|
|
} else {
|
| 373 |
|
|
printk(KERN_DEBUG"isar selftest not OK %x/%x/%x\n",
|
| 374 |
|
|
ireg->cmsb, ireg->clsb, ireg->par[0]);
|
| 375 |
|
|
ret = 1;goto reterror;
|
| 376 |
|
|
}
|
| 377 |
|
|
ireg->iis = 0;
|
| 378 |
|
|
if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {
|
| 379 |
|
|
printk(KERN_ERR"isar RQST SVN failed\n");
|
| 380 |
|
|
ret = 1;goto reterror;
|
| 381 |
|
|
}
|
| 382 |
|
|
cnt = 10000; /* max 100 ms */
|
| 383 |
|
|
while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
|
| 384 |
|
|
udelay(10);
|
| 385 |
|
|
cnt--;
|
| 386 |
|
|
}
|
| 387 |
|
|
if (!cnt) {
|
| 388 |
|
|
printk(KERN_ERR"isar no SVN response\n");
|
| 389 |
|
|
ret = 1;goto reterrflg;
|
| 390 |
|
|
} else {
|
| 391 |
|
|
if ((ireg->cmsb == ISAR_CTRL_SWVER) && (ireg->clsb == 1))
|
| 392 |
|
|
printk(KERN_DEBUG"isar software version %#x\n",
|
| 393 |
|
|
ireg->par[0]);
|
| 394 |
|
|
else {
|
| 395 |
|
|
printk(KERN_ERR"isar wrong swver response (%x,%x) cnt(%d)\n",
|
| 396 |
|
|
ireg->cmsb, ireg->clsb, cnt);
|
| 397 |
|
|
ret = 1;goto reterrflg;
|
| 398 |
|
|
}
|
| 399 |
|
|
}
|
| 400 |
|
|
cs->debug = debug;
|
| 401 |
|
|
isar_setup(cs);
|
| 402 |
|
|
ret = 0;
|
| 403 |
|
|
reterrflg:
|
| 404 |
|
|
restore_flags(flags);
|
| 405 |
|
|
reterror:
|
| 406 |
|
|
cs->debug = debug;
|
| 407 |
|
|
if (ret)
|
| 408 |
|
|
/* disable ISAR IRQ */
|
| 409 |
|
|
cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
|
| 410 |
|
|
kfree(msg);
|
| 411 |
|
|
kfree(tmpmsg);
|
| 412 |
|
|
return(ret);
|
| 413 |
|
|
}
|
| 414 |
|
|
|
| 415 |
|
|
void
|
| 416 |
|
|
isar_sched_event(struct BCState *bcs, int event)
|
| 417 |
|
|
{
|
| 418 |
|
|
bcs->event |= 1 << event;
|
| 419 |
|
|
queue_task(&bcs->tqueue, &tq_immediate);
|
| 420 |
|
|
mark_bh(IMMEDIATE_BH);
|
| 421 |
|
|
}
|
| 422 |
|
|
|
| 423 |
|
|
static inline void
|
| 424 |
|
|
isar_rcv_frame(struct IsdnCardState *cs, struct BCState *bcs)
|
| 425 |
|
|
{
|
| 426 |
|
|
u_char *ptr;
|
| 427 |
|
|
struct sk_buff *skb;
|
| 428 |
|
|
struct isar_reg *ireg = bcs->hw.isar.reg;
|
| 429 |
|
|
|
| 430 |
|
|
if (!ireg->clsb) {
|
| 431 |
|
|
debugl1(cs, "isar zero len frame");
|
| 432 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 433 |
|
|
return;
|
| 434 |
|
|
}
|
| 435 |
|
|
switch (bcs->mode) {
|
| 436 |
|
|
case L1_MODE_NULL:
|
| 437 |
|
|
debugl1(cs, "isar mode 0 spurious IIS_RDATA %x/%x/%x",
|
| 438 |
|
|
ireg->iis, ireg->cmsb, ireg->clsb);
|
| 439 |
|
|
printk(KERN_WARNING"isar mode 0 spurious IIS_RDATA %x/%x/%x\n",
|
| 440 |
|
|
ireg->iis, ireg->cmsb, ireg->clsb);
|
| 441 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 442 |
|
|
break;
|
| 443 |
|
|
case L1_MODE_TRANS:
|
| 444 |
|
|
if ((skb = dev_alloc_skb(ireg->clsb))) {
|
| 445 |
|
|
SET_SKB_FREE(skb);
|
| 446 |
|
|
rcv_mbox(cs, ireg, (u_char *)skb_put(skb, ireg->clsb));
|
| 447 |
|
|
skb_queue_tail(&bcs->rqueue, skb);
|
| 448 |
|
|
isar_sched_event(bcs, B_RCVBUFREADY);
|
| 449 |
|
|
} else {
|
| 450 |
|
|
printk(KERN_WARNING "HiSax: skb out of memory\n");
|
| 451 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 452 |
|
|
}
|
| 453 |
|
|
break;
|
| 454 |
|
|
case L1_MODE_HDLC:
|
| 455 |
|
|
if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
|
| 456 |
|
|
if (cs->debug & L1_DEB_WARN)
|
| 457 |
|
|
debugl1(cs, "isar_rcv_frame: incoming packet too large");
|
| 458 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 459 |
|
|
bcs->hw.isar.rcvidx = 0;
|
| 460 |
|
|
} else if (ireg->cmsb & HDLC_ERROR) {
|
| 461 |
|
|
if (cs->debug & L1_DEB_WARN)
|
| 462 |
|
|
debugl1(cs, "isar frame error %x len %d",
|
| 463 |
|
|
ireg->cmsb, ireg->clsb);
|
| 464 |
|
|
bcs->hw.isar.rcvidx = 0;
|
| 465 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 466 |
|
|
} else {
|
| 467 |
|
|
if (ireg->cmsb & HDLC_FSD)
|
| 468 |
|
|
bcs->hw.isar.rcvidx = 0;
|
| 469 |
|
|
ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
|
| 470 |
|
|
bcs->hw.isar.rcvidx += ireg->clsb;
|
| 471 |
|
|
rcv_mbox(cs, ireg, ptr);
|
| 472 |
|
|
if (ireg->cmsb & HDLC_FED) {
|
| 473 |
|
|
if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
|
| 474 |
|
|
printk(KERN_WARNING "ISAR: HDLC frame too short(%d)\n",
|
| 475 |
|
|
bcs->hw.isar.rcvidx);
|
| 476 |
|
|
} else if (!(skb = dev_alloc_skb(bcs->hw.isar.rcvidx-2)))
|
| 477 |
|
|
printk(KERN_WARNING "ISAR: receive out of memory\n");
|
| 478 |
|
|
else {
|
| 479 |
|
|
SET_SKB_FREE(skb);
|
| 480 |
|
|
memcpy(skb_put(skb, bcs->hw.isar.rcvidx-2),
|
| 481 |
|
|
bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx-2);
|
| 482 |
|
|
skb_queue_tail(&bcs->rqueue, skb);
|
| 483 |
|
|
isar_sched_event(bcs, B_RCVBUFREADY);
|
| 484 |
|
|
}
|
| 485 |
|
|
}
|
| 486 |
|
|
}
|
| 487 |
|
|
break;
|
| 488 |
|
|
default:
|
| 489 |
|
|
printk(KERN_ERR"isar_rcv_frame mode (%x)error\n", bcs->mode);
|
| 490 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 491 |
|
|
break;
|
| 492 |
|
|
}
|
| 493 |
|
|
}
|
| 494 |
|
|
|
| 495 |
|
|
void
|
| 496 |
|
|
isar_fill_fifo(struct BCState *bcs)
|
| 497 |
|
|
{
|
| 498 |
|
|
struct IsdnCardState *cs = bcs->cs;
|
| 499 |
|
|
int count;
|
| 500 |
|
|
u_char msb;
|
| 501 |
|
|
u_char *ptr;
|
| 502 |
|
|
long flags;
|
| 503 |
|
|
|
| 504 |
|
|
if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
|
| 505 |
|
|
debugl1(cs, "isar_fill_fifo");
|
| 506 |
|
|
if (!bcs->tx_skb)
|
| 507 |
|
|
return;
|
| 508 |
|
|
if (bcs->tx_skb->len <= 0)
|
| 509 |
|
|
return;
|
| 510 |
|
|
if (!(bcs->hw.isar.reg->bstat &
|
| 511 |
|
|
(bcs->hw.isar.dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2)))
|
| 512 |
|
|
return;
|
| 513 |
|
|
if (bcs->tx_skb->len > bcs->hw.isar.mml) {
|
| 514 |
|
|
msb = 0;
|
| 515 |
|
|
count = bcs->hw.isar.mml;
|
| 516 |
|
|
} else {
|
| 517 |
|
|
count = bcs->tx_skb->len;
|
| 518 |
|
|
msb = HDLC_FED;
|
| 519 |
|
|
}
|
| 520 |
|
|
if (!bcs->hw.isar.txcnt)
|
| 521 |
|
|
msb |= HDLC_FST;
|
| 522 |
|
|
save_flags(flags);
|
| 523 |
|
|
cli();
|
| 524 |
|
|
ptr = bcs->tx_skb->data;
|
| 525 |
|
|
skb_pull(bcs->tx_skb, count);
|
| 526 |
|
|
bcs->tx_cnt -= count;
|
| 527 |
|
|
bcs->hw.isar.txcnt += count;
|
| 528 |
|
|
switch (bcs->mode) {
|
| 529 |
|
|
case L1_MODE_NULL:
|
| 530 |
|
|
printk(KERN_ERR"isar_fill_fifo wrong mode 0\n");
|
| 531 |
|
|
break;
|
| 532 |
|
|
case L1_MODE_TRANS:
|
| 533 |
|
|
if (!sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
|
| 534 |
|
|
0, count, ptr)) {
|
| 535 |
|
|
if (cs->debug)
|
| 536 |
|
|
debugl1(cs, "isar bin data send dp%d failed",
|
| 537 |
|
|
bcs->hw.isar.dpath);
|
| 538 |
|
|
}
|
| 539 |
|
|
break;
|
| 540 |
|
|
case L1_MODE_HDLC:
|
| 541 |
|
|
if (!sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
|
| 542 |
|
|
msb, count, ptr)) {
|
| 543 |
|
|
if (cs->debug)
|
| 544 |
|
|
debugl1(cs, "isar hdlc data send dp%d failed",
|
| 545 |
|
|
bcs->hw.isar.dpath);
|
| 546 |
|
|
}
|
| 547 |
|
|
break;
|
| 548 |
|
|
default:
|
| 549 |
|
|
printk(KERN_ERR"isar_fill_fifo mode (%x)error\n", bcs->mode);
|
| 550 |
|
|
break;
|
| 551 |
|
|
}
|
| 552 |
|
|
restore_flags(flags);
|
| 553 |
|
|
}
|
| 554 |
|
|
|
| 555 |
|
|
inline
|
| 556 |
|
|
struct BCState *sel_bcs_isar(struct IsdnCardState *cs, u_char dpath)
|
| 557 |
|
|
{
|
| 558 |
|
|
if ((!dpath) || (dpath == 3))
|
| 559 |
|
|
return(NULL);
|
| 560 |
|
|
if (cs->bcs[0].hw.isar.dpath == dpath)
|
| 561 |
|
|
return(&cs->bcs[0]);
|
| 562 |
|
|
if (cs->bcs[1].hw.isar.dpath == dpath)
|
| 563 |
|
|
return(&cs->bcs[1]);
|
| 564 |
|
|
return(NULL);
|
| 565 |
|
|
}
|
| 566 |
|
|
|
| 567 |
|
|
inline void
|
| 568 |
|
|
send_frames(struct BCState *bcs)
|
| 569 |
|
|
{
|
| 570 |
|
|
if (bcs->tx_skb) {
|
| 571 |
|
|
if (bcs->tx_skb->len) {
|
| 572 |
|
|
isar_fill_fifo(bcs);
|
| 573 |
|
|
return;
|
| 574 |
|
|
} else {
|
| 575 |
|
|
if (bcs->st->lli.l1writewakeup &&
|
| 576 |
|
|
(PACKET_NOACK != bcs->tx_skb->pkt_type))
|
| 577 |
|
|
bcs->st->lli.l1writewakeup(bcs->st, bcs->hw.isar.txcnt);
|
| 578 |
|
|
dev_kfree_skb(bcs->tx_skb, FREE_WRITE);
|
| 579 |
|
|
bcs->hw.isar.txcnt = 0;
|
| 580 |
|
|
bcs->tx_skb = NULL;
|
| 581 |
|
|
}
|
| 582 |
|
|
}
|
| 583 |
|
|
if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
|
| 584 |
|
|
bcs->hw.isar.txcnt = 0;
|
| 585 |
|
|
test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
|
| 586 |
|
|
isar_fill_fifo(bcs);
|
| 587 |
|
|
} else {
|
| 588 |
|
|
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
|
| 589 |
|
|
isar_sched_event(bcs, B_XMTBUFREADY);
|
| 590 |
|
|
}
|
| 591 |
|
|
}
|
| 592 |
|
|
|
| 593 |
|
|
inline void
|
| 594 |
|
|
check_send(struct IsdnCardState *cs, u_char rdm)
|
| 595 |
|
|
{
|
| 596 |
|
|
struct BCState *bcs;
|
| 597 |
|
|
|
| 598 |
|
|
if (rdm & BSTAT_RDM1) {
|
| 599 |
|
|
if ((bcs = sel_bcs_isar(cs, 1))) {
|
| 600 |
|
|
if (bcs->mode) {
|
| 601 |
|
|
send_frames(bcs);
|
| 602 |
|
|
}
|
| 603 |
|
|
}
|
| 604 |
|
|
}
|
| 605 |
|
|
if (rdm & BSTAT_RDM2) {
|
| 606 |
|
|
if ((bcs = sel_bcs_isar(cs, 2))) {
|
| 607 |
|
|
if (bcs->mode) {
|
| 608 |
|
|
send_frames(bcs);
|
| 609 |
|
|
}
|
| 610 |
|
|
}
|
| 611 |
|
|
}
|
| 612 |
|
|
|
| 613 |
|
|
}
|
| 614 |
|
|
|
| 615 |
|
|
static char debbuf[64];
|
| 616 |
|
|
|
| 617 |
|
|
void
|
| 618 |
|
|
isar_int_main(struct IsdnCardState *cs)
|
| 619 |
|
|
{
|
| 620 |
|
|
long flags;
|
| 621 |
|
|
struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
|
| 622 |
|
|
struct BCState *bcs;
|
| 623 |
|
|
|
| 624 |
|
|
save_flags(flags);
|
| 625 |
|
|
cli();
|
| 626 |
|
|
get_irq_infos(cs, ireg);
|
| 627 |
|
|
switch (ireg->iis & ISAR_IIS_MSCMSD) {
|
| 628 |
|
|
case ISAR_IIS_RDATA:
|
| 629 |
|
|
if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
|
| 630 |
|
|
isar_rcv_frame(cs, bcs);
|
| 631 |
|
|
} else {
|
| 632 |
|
|
debugl1(cs, "isar spurious IIS_RDATA %x/%x/%x",
|
| 633 |
|
|
ireg->iis, ireg->cmsb, ireg->clsb);
|
| 634 |
|
|
printk(KERN_WARNING"isar spurious IIS_RDATA %x/%x/%x\n",
|
| 635 |
|
|
ireg->iis, ireg->cmsb, ireg->clsb);
|
| 636 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 637 |
|
|
}
|
| 638 |
|
|
break;
|
| 639 |
|
|
case ISAR_IIS_GSTEV:
|
| 640 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 641 |
|
|
ireg->bstat |= ireg->cmsb;
|
| 642 |
|
|
check_send(cs, ireg->cmsb);
|
| 643 |
|
|
break;
|
| 644 |
|
|
case ISAR_IIS_BSTEV:
|
| 645 |
|
|
cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
|
| 646 |
|
|
if (cs->debug & L1_DEB_WARN)
|
| 647 |
|
|
debugl1(cs, "Buffer STEV dpath%d msb(%x)",
|
| 648 |
|
|
ireg->iis>>6, ireg->cmsb);
|
| 649 |
|
|
break;
|
| 650 |
|
|
case ISAR_IIS_DIAG:
|
| 651 |
|
|
case ISAR_IIS_PSTRSP:
|
| 652 |
|
|
case ISAR_IIS_PSTEV:
|
| 653 |
|
|
case ISAR_IIS_BSTRSP:
|
| 654 |
|
|
case ISAR_IIS_IOM2RSP:
|
| 655 |
|
|
rcv_mbox(cs, ireg, (u_char *)ireg->par);
|
| 656 |
|
|
if ((cs->debug & (L1_DEB_HSCX | L1_DEB_HSCX_FIFO))
|
| 657 |
|
|
== L1_DEB_HSCX) {
|
| 658 |
|
|
u_char *tp=debbuf;
|
| 659 |
|
|
|
| 660 |
|
|
tp += sprintf(debbuf, "msg iis(%x) msb(%x)",
|
| 661 |
|
|
ireg->iis, ireg->cmsb);
|
| 662 |
|
|
QuickHex(tp, (u_char *)ireg->par, ireg->clsb);
|
| 663 |
|
|
debugl1(cs, debbuf);
|
| 664 |
|
|
}
|
| 665 |
|
|
break;
|
| 666 |
|
|
default:
|
| 667 |
|
|
rcv_mbox(cs, ireg, debbuf);
|
| 668 |
|
|
if (cs->debug & L1_DEB_WARN)
|
| 669 |
|
|
debugl1(cs, "unhandled msg iis(%x) ctrl(%x/%x)",
|
| 670 |
|
|
ireg->iis, ireg->cmsb, ireg->clsb);
|
| 671 |
|
|
break;
|
| 672 |
|
|
}
|
| 673 |
|
|
restore_flags(flags);
|
| 674 |
|
|
}
|
| 675 |
|
|
|
| 676 |
|
|
void
|
| 677 |
|
|
setup_pump(struct BCState *bcs) {
|
| 678 |
|
|
struct IsdnCardState *cs = bcs->cs;
|
| 679 |
|
|
u_char dps = SET_DPS(bcs->hw.isar.dpath);
|
| 680 |
|
|
|
| 681 |
|
|
switch (bcs->mode) {
|
| 682 |
|
|
case L1_MODE_NULL:
|
| 683 |
|
|
case L1_MODE_TRANS:
|
| 684 |
|
|
case L1_MODE_HDLC:
|
| 685 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL)) {
|
| 686 |
|
|
if (cs->debug)
|
| 687 |
|
|
debugl1(cs, "isar pump bypass cfg dp%d failed",
|
| 688 |
|
|
bcs->hw.isar.dpath);
|
| 689 |
|
|
}
|
| 690 |
|
|
break;
|
| 691 |
|
|
}
|
| 692 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL)) {
|
| 693 |
|
|
if (cs->debug)
|
| 694 |
|
|
debugl1(cs, "isar pump status req dp%d failed",
|
| 695 |
|
|
bcs->hw.isar.dpath);
|
| 696 |
|
|
}
|
| 697 |
|
|
}
|
| 698 |
|
|
|
| 699 |
|
|
void
|
| 700 |
|
|
setup_sart(struct BCState *bcs) {
|
| 701 |
|
|
struct IsdnCardState *cs = bcs->cs;
|
| 702 |
|
|
u_char dps = SET_DPS(bcs->hw.isar.dpath);
|
| 703 |
|
|
|
| 704 |
|
|
switch (bcs->mode) {
|
| 705 |
|
|
case L1_MODE_NULL:
|
| 706 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, 0, NULL)) {
|
| 707 |
|
|
if (cs->debug)
|
| 708 |
|
|
debugl1(cs, "isar sart disable dp%d failed",
|
| 709 |
|
|
bcs->hw.isar.dpath);
|
| 710 |
|
|
}
|
| 711 |
|
|
break;
|
| 712 |
|
|
case L1_MODE_TRANS:
|
| 713 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, 2, "\0\0")) {
|
| 714 |
|
|
if (cs->debug)
|
| 715 |
|
|
debugl1(cs, "isar sart binary dp%d failed",
|
| 716 |
|
|
bcs->hw.isar.dpath);
|
| 717 |
|
|
}
|
| 718 |
|
|
break;
|
| 719 |
|
|
case L1_MODE_HDLC:
|
| 720 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, 1, "\0")) {
|
| 721 |
|
|
if (cs->debug)
|
| 722 |
|
|
debugl1(cs, "isar sart binary dp%d failed",
|
| 723 |
|
|
bcs->hw.isar.dpath);
|
| 724 |
|
|
}
|
| 725 |
|
|
break;
|
| 726 |
|
|
}
|
| 727 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_BSTREQ, 0, 0, NULL)) {
|
| 728 |
|
|
if (cs->debug)
|
| 729 |
|
|
debugl1(cs, "isar buf stat req dp%d failed",
|
| 730 |
|
|
bcs->hw.isar.dpath);
|
| 731 |
|
|
}
|
| 732 |
|
|
}
|
| 733 |
|
|
|
| 734 |
|
|
void
|
| 735 |
|
|
setup_iom2(struct BCState *bcs) {
|
| 736 |
|
|
struct IsdnCardState *cs = bcs->cs;
|
| 737 |
|
|
u_char dps = SET_DPS(bcs->hw.isar.dpath);
|
| 738 |
|
|
u_char cmsb = 0, msg[5] = {0x10,0,0,0,0};
|
| 739 |
|
|
|
| 740 |
|
|
switch (bcs->mode) {
|
| 741 |
|
|
case L1_MODE_NULL:
|
| 742 |
|
|
/* dummy slot */
|
| 743 |
|
|
msg[1] = msg[3] = bcs->hw.isar.dpath + 2;
|
| 744 |
|
|
break;
|
| 745 |
|
|
case L1_MODE_TRANS:
|
| 746 |
|
|
case L1_MODE_HDLC:
|
| 747 |
|
|
cmsb = 0x80;
|
| 748 |
|
|
if (bcs->channel)
|
| 749 |
|
|
msg[1] = msg[3] = 1;
|
| 750 |
|
|
break;
|
| 751 |
|
|
}
|
| 752 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg)) {
|
| 753 |
|
|
if (cs->debug)
|
| 754 |
|
|
debugl1(cs, "isar iom2 dp%d failed", bcs->hw.isar.dpath);
|
| 755 |
|
|
}
|
| 756 |
|
|
if (!sendmsg(cs, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL)) {
|
| 757 |
|
|
if (cs->debug)
|
| 758 |
|
|
debugl1(cs, "isar IOM2 cfg req dp%d failed",
|
| 759 |
|
|
bcs->hw.isar.dpath);
|
| 760 |
|
|
}
|
| 761 |
|
|
}
|
| 762 |
|
|
|
| 763 |
|
|
int
|
| 764 |
|
|
modeisar(struct BCState *bcs, int mode, int bc)
|
| 765 |
|
|
{
|
| 766 |
|
|
struct IsdnCardState *cs = bcs->cs;
|
| 767 |
|
|
|
| 768 |
|
|
/* Here we are selecting the best datapath for requested mode */
|
| 769 |
|
|
if(bcs->mode == L1_MODE_NULL) { /* New Setup */
|
| 770 |
|
|
bcs->channel = bc;
|
| 771 |
|
|
switch (mode) {
|
| 772 |
|
|
case L1_MODE_NULL: /* init */
|
| 773 |
|
|
break;
|
| 774 |
|
|
case L1_MODE_TRANS:
|
| 775 |
|
|
case L1_MODE_HDLC:
|
| 776 |
|
|
/* best is datapath 2 */
|
| 777 |
|
|
if (!test_and_set_bit(ISAR_DP2_USE,
|
| 778 |
|
|
&bcs->hw.isar.reg->Flags))
|
| 779 |
|
|
bcs->hw.isar.dpath = 2;
|
| 780 |
|
|
else if (!test_and_set_bit(ISAR_DP1_USE,
|
| 781 |
|
|
&bcs->hw.isar.reg->Flags))
|
| 782 |
|
|
bcs->hw.isar.dpath = 1;
|
| 783 |
|
|
else {
|
| 784 |
|
|
printk(KERN_ERR"isar modeisar both pathes in use\n");
|
| 785 |
|
|
return(1);
|
| 786 |
|
|
}
|
| 787 |
|
|
break;
|
| 788 |
|
|
}
|
| 789 |
|
|
}
|
| 790 |
|
|
if (cs->debug & L1_DEB_HSCX)
|
| 791 |
|
|
debugl1(cs, "isar dp%d mode %d->%d ichan %d",
|
| 792 |
|
|
bcs->hw.isar.dpath, bcs->mode, mode, bc);
|
| 793 |
|
|
bcs->mode = mode;
|
| 794 |
|
|
setup_pump(bcs);
|
| 795 |
|
|
setup_sart(bcs);
|
| 796 |
|
|
setup_iom2(bcs);
|
| 797 |
|
|
if (bcs->mode == L1_MODE_NULL) {
|
| 798 |
|
|
/* Clear resources */
|
| 799 |
|
|
if (bcs->hw.isar.dpath == 1)
|
| 800 |
|
|
test_and_clear_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags);
|
| 801 |
|
|
else if (bcs->hw.isar.dpath == 2)
|
| 802 |
|
|
test_and_clear_bit(ISAR_DP2_USE, &bcs->hw.isar.reg->Flags);
|
| 803 |
|
|
bcs->hw.isar.dpath = 0;
|
| 804 |
|
|
}
|
| 805 |
|
|
return(0);
|
| 806 |
|
|
}
|
| 807 |
|
|
|
| 808 |
|
|
void
|
| 809 |
|
|
isar_setup(struct IsdnCardState *cs)
|
| 810 |
|
|
{
|
| 811 |
|
|
u_char msg;
|
| 812 |
|
|
int i;
|
| 813 |
|
|
|
| 814 |
|
|
/* Dpath 1, 2 */
|
| 815 |
|
|
msg = 61;
|
| 816 |
|
|
for (i=0; i<2; i++) {
|
| 817 |
|
|
/* Buffer Config */
|
| 818 |
|
|
if (!sendmsg(cs, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |
|
| 819 |
|
|
ISAR_HIS_P12CFG, 4, 1, &msg)) {
|
| 820 |
|
|
if (cs->debug)
|
| 821 |
|
|
debugl1(cs, "isar P%dCFG failed", i+1);
|
| 822 |
|
|
}
|
| 823 |
|
|
cs->bcs[i].hw.isar.mml = msg;
|
| 824 |
|
|
cs->bcs[i].mode = 0;
|
| 825 |
|
|
cs->bcs[i].hw.isar.dpath = i + 1;
|
| 826 |
|
|
modeisar(&cs->bcs[i], 0, 0);
|
| 827 |
|
|
}
|
| 828 |
|
|
}
|
| 829 |
|
|
|
| 830 |
|
|
void
|
| 831 |
|
|
isar_l2l1(struct PStack *st, int pr, void *arg)
|
| 832 |
|
|
{
|
| 833 |
|
|
struct sk_buff *skb = arg;
|
| 834 |
|
|
long flags;
|
| 835 |
|
|
|
| 836 |
|
|
switch (pr) {
|
| 837 |
|
|
case (PH_DATA | REQUEST):
|
| 838 |
|
|
save_flags(flags);
|
| 839 |
|
|
cli();
|
| 840 |
|
|
if (st->l1.bcs->tx_skb) {
|
| 841 |
|
|
skb_queue_tail(&st->l1.bcs->squeue, skb);
|
| 842 |
|
|
restore_flags(flags);
|
| 843 |
|
|
} else {
|
| 844 |
|
|
st->l1.bcs->tx_skb = skb;
|
| 845 |
|
|
test_and_set_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
|
| 846 |
|
|
if (st->l1.bcs->cs->debug & L1_DEB_HSCX)
|
| 847 |
|
|
debugl1(st->l1.bcs->cs, "DRQ set BC_FLG_BUSY");
|
| 848 |
|
|
st->l1.bcs->hw.isar.txcnt = 0;
|
| 849 |
|
|
restore_flags(flags);
|
| 850 |
|
|
st->l1.bcs->cs->BC_Send_Data(st->l1.bcs);
|
| 851 |
|
|
}
|
| 852 |
|
|
break;
|
| 853 |
|
|
case (PH_PULL | INDICATION):
|
| 854 |
|
|
if (st->l1.bcs->tx_skb) {
|
| 855 |
|
|
printk(KERN_WARNING "isar_l2l1: this shouldn't happen\n");
|
| 856 |
|
|
break;
|
| 857 |
|
|
}
|
| 858 |
|
|
test_and_set_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
|
| 859 |
|
|
if (st->l1.bcs->cs->debug & L1_DEB_HSCX)
|
| 860 |
|
|
debugl1(st->l1.bcs->cs, "PUI set BC_FLG_BUSY");
|
| 861 |
|
|
st->l1.bcs->tx_skb = skb;
|
| 862 |
|
|
st->l1.bcs->hw.isar.txcnt = 0;
|
| 863 |
|
|
st->l1.bcs->cs->BC_Send_Data(st->l1.bcs);
|
| 864 |
|
|
break;
|
| 865 |
|
|
case (PH_PULL | REQUEST):
|
| 866 |
|
|
if (!st->l1.bcs->tx_skb) {
|
| 867 |
|
|
test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
|
| 868 |
|
|
st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
|
| 869 |
|
|
} else
|
| 870 |
|
|
test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
|
| 871 |
|
|
break;
|
| 872 |
|
|
case (PH_ACTIVATE | REQUEST):
|
| 873 |
|
|
test_and_set_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
|
| 874 |
|
|
modeisar(st->l1.bcs, st->l1.mode, st->l1.bc);
|
| 875 |
|
|
l1_msg_b(st, pr, arg);
|
| 876 |
|
|
break;
|
| 877 |
|
|
case (PH_DEACTIVATE | REQUEST):
|
| 878 |
|
|
l1_msg_b(st, pr, arg);
|
| 879 |
|
|
break;
|
| 880 |
|
|
case (PH_DEACTIVATE | CONFIRM):
|
| 881 |
|
|
test_and_clear_bit(BC_FLG_ACTIV, &st->l1.bcs->Flag);
|
| 882 |
|
|
test_and_clear_bit(BC_FLG_BUSY, &st->l1.bcs->Flag);
|
| 883 |
|
|
if (st->l1.bcs->cs->debug & L1_DEB_HSCX)
|
| 884 |
|
|
debugl1(st->l1.bcs->cs, "PDAC clear BC_FLG_BUSY");
|
| 885 |
|
|
modeisar(st->l1.bcs, 0, st->l1.bc);
|
| 886 |
|
|
st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
|
| 887 |
|
|
break;
|
| 888 |
|
|
}
|
| 889 |
|
|
}
|
| 890 |
|
|
|
| 891 |
|
|
void
|
| 892 |
|
|
close_isarstate(struct BCState *bcs)
|
| 893 |
|
|
{
|
| 894 |
|
|
modeisar(bcs, 0, bcs->channel);
|
| 895 |
|
|
if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
|
| 896 |
|
|
if (bcs->hw.isar.rcvbuf) {
|
| 897 |
|
|
kfree(bcs->hw.isar.rcvbuf);
|
| 898 |
|
|
bcs->hw.isar.rcvbuf = NULL;
|
| 899 |
|
|
}
|
| 900 |
|
|
discard_queue(&bcs->rqueue);
|
| 901 |
|
|
discard_queue(&bcs->squeue);
|
| 902 |
|
|
if (bcs->tx_skb) {
|
| 903 |
|
|
dev_kfree_skb(bcs->tx_skb, FREE_WRITE);
|
| 904 |
|
|
bcs->tx_skb = NULL;
|
| 905 |
|
|
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
|
| 906 |
|
|
if (bcs->cs->debug & L1_DEB_HSCX)
|
| 907 |
|
|
debugl1(bcs->cs, "closeisar clear BC_FLG_BUSY");
|
| 908 |
|
|
}
|
| 909 |
|
|
}
|
| 910 |
|
|
}
|
| 911 |
|
|
|
| 912 |
|
|
int
|
| 913 |
|
|
open_isarstate(struct IsdnCardState *cs, struct BCState *bcs)
|
| 914 |
|
|
{
|
| 915 |
|
|
if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
|
| 916 |
|
|
if (!(bcs->hw.isar.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
|
| 917 |
|
|
printk(KERN_WARNING
|
| 918 |
|
|
"HiSax: No memory for isar.rcvbuf\n");
|
| 919 |
|
|
return (1);
|
| 920 |
|
|
}
|
| 921 |
|
|
skb_queue_head_init(&bcs->rqueue);
|
| 922 |
|
|
skb_queue_head_init(&bcs->squeue);
|
| 923 |
|
|
}
|
| 924 |
|
|
bcs->tx_skb = NULL;
|
| 925 |
|
|
test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
|
| 926 |
|
|
if (cs->debug & L1_DEB_HSCX)
|
| 927 |
|
|
debugl1(cs, "openisar clear BC_FLG_BUSY");
|
| 928 |
|
|
bcs->event = 0;
|
| 929 |
|
|
bcs->hw.isar.rcvidx = 0;
|
| 930 |
|
|
bcs->tx_cnt = 0;
|
| 931 |
|
|
return (0);
|
| 932 |
|
|
}
|
| 933 |
|
|
|
| 934 |
|
|
int
|
| 935 |
|
|
setstack_isar(struct PStack *st, struct BCState *bcs)
|
| 936 |
|
|
{
|
| 937 |
|
|
bcs->channel = st->l1.bc;
|
| 938 |
|
|
if (open_isarstate(st->l1.hardware, bcs))
|
| 939 |
|
|
return (-1);
|
| 940 |
|
|
st->l1.bcs = bcs;
|
| 941 |
|
|
st->l2.l2l1 = isar_l2l1;
|
| 942 |
|
|
setstack_manager(st);
|
| 943 |
|
|
bcs->st = st;
|
| 944 |
|
|
setstack_l1_B(st);
|
| 945 |
|
|
return (0);
|
| 946 |
|
|
}
|
| 947 |
|
|
|
| 948 |
|
|
HISAX_INITFUNC(void
|
| 949 |
|
|
initisar(struct IsdnCardState *cs))
|
| 950 |
|
|
{
|
| 951 |
|
|
cs->bcs[0].BC_SetStack = setstack_isar;
|
| 952 |
|
|
cs->bcs[1].BC_SetStack = setstack_isar;
|
| 953 |
|
|
cs->bcs[0].BC_Close = close_isarstate;
|
| 954 |
|
|
cs->bcs[1].BC_Close = close_isarstate;
|
| 955 |
|
|
}
|
