11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* $Id: jade.c,v 1.9.2.4 2004/01/14 16:04:48 keil Exp $ 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * JADE stuff (derived from original hscx.c) 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author Roland Klabunde 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright by Roland Klabunde <R.Klabunde@Berkom.de> 7475be4d85a274d0961593db41cf85689db1d583cJoe Perches * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This software may be used and distributed according to the terms 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of the GNU General Public License, incorporated herein by reference. 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "hisax.h" 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "hscx.h" 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "jade.h" 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "isdnl1.h" 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 205a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2367eb5db5874076db01febed5a1a9281628fa9fb4Karsten Keilint 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsJadeVersion(struct IsdnCardState *cs, char *s) 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 26475be4d85a274d0961593db41cf85689db1d583cJoe Perches int ver; 27475be4d85a274d0961593db41cf85689db1d583cJoe Perches int to = 50; 28475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, -1, 0x50, 0x19); 29475be4d85a274d0961593db41cf85689db1d583cJoe Perches while (to) { 30475be4d85a274d0961593db41cf85689db1d583cJoe Perches udelay(1); 31475be4d85a274d0961593db41cf85689db1d583cJoe Perches ver = cs->BC_Read_Reg(cs, -1, 0x60); 32475be4d85a274d0961593db41cf85689db1d583cJoe Perches to--; 33475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (ver) 34475be4d85a274d0961593db41cf85689db1d583cJoe Perches break; 35475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (!to) { 36475be4d85a274d0961593db41cf85689db1d583cJoe Perches printk(KERN_INFO "%s JADE version not obtainable\n", s); 37475be4d85a274d0961593db41cf85689db1d583cJoe Perches return (0); 38475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 39475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 40475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Wait for the JADE */ 41475be4d85a274d0961593db41cf85689db1d583cJoe Perches udelay(10); 42475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Read version */ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ver = cs->BC_Read_Reg(cs, -1, 0x60); 44475be4d85a274d0961593db41cf85689db1d583cJoe Perches printk(KERN_INFO "%s JADE version: %d\n", s, ver); 45475be4d85a274d0961593db41cf85689db1d583cJoe Perches return (1); 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Write to indirect accessible jade register set */ 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsjade_write_indirect(struct IsdnCardState *cs, u_char reg, u_char value) 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 52475be4d85a274d0961593db41cf85689db1d583cJoe Perches int to = 50; 53475be4d85a274d0961593db41cf85689db1d583cJoe Perches u_char ret; 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 55475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Write the data */ 56475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, -1, COMM_JADE + 1, value); 57475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Say JADE we wanna write indirect reg 'reg' */ 58475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, -1, COMM_JADE, reg); 59475be4d85a274d0961593db41cf85689db1d583cJoe Perches to = 50; 60475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Wait for RDY goes high */ 61475be4d85a274d0961593db41cf85689db1d583cJoe Perches while (to) { 62475be4d85a274d0961593db41cf85689db1d583cJoe Perches udelay(1); 63475be4d85a274d0961593db41cf85689db1d583cJoe Perches ret = cs->BC_Read_Reg(cs, -1, COMM_JADE); 64475be4d85a274d0961593db41cf85689db1d583cJoe Perches to--; 65475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (ret & 1) 66475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Got acknowledge */ 67475be4d85a274d0961593db41cf85689db1d583cJoe Perches break; 68475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (!to) { 69475be4d85a274d0961593db41cf85689db1d583cJoe Perches printk(KERN_INFO "Can not see ready bit from JADE DSP (reg=0x%X, value=0x%X)\n", reg, value); 70475be4d85a274d0961593db41cf85689db1d583cJoe Perches return; 71475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 77672c3fd9069e5a138f9d4afc9aeb5aa34aacce32Adrian Bunkstatic void 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodejade(struct BCState *bcs, int mode, int bc) 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 80475be4d85a274d0961593db41cf85689db1d583cJoe Perches struct IsdnCardState *cs = bcs->cs; 81475be4d85a274d0961593db41cf85689db1d583cJoe Perches int jade = bcs->hw.hscx.hscx; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 83475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (cs->debug & L1_DEB_HSCX) { 8435a4a5733b0a8290de39558b82896ab795b108a7Kees Cook debugl1(cs, "jade %c mode %d ichan %d", 'A' + jade, mode, bc); 85475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 86475be4d85a274d0961593db41cf85689db1d583cJoe Perches bcs->mode = mode; 87475be4d85a274d0961593db41cf85689db1d583cJoe Perches bcs->channel = bc; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 89475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, (mode == L1_MODE_TRANS ? jadeMODE_TMO : 0x00)); 90475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_CCR0, (jadeCCR0_PU | jadeCCR0_ITF)); 91475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_CCR1, 0x00); 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 93475be4d85a274d0961593db41cf85689db1d583cJoe Perches jade_write_indirect(cs, jade_HDLC1SERRXPATH, 0x08); 94475be4d85a274d0961593db41cf85689db1d583cJoe Perches jade_write_indirect(cs, jade_HDLC2SERRXPATH, 0x08); 95475be4d85a274d0961593db41cf85689db1d583cJoe Perches jade_write_indirect(cs, jade_HDLC1SERTXPATH, 0x00); 96475be4d85a274d0961593db41cf85689db1d583cJoe Perches jade_write_indirect(cs, jade_HDLC2SERTXPATH, 0x00); 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 98475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_XCCR, 0x07); 99475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_RCCR, 0x07); 100475be4d85a274d0961593db41cf85689db1d583cJoe Perches 101475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (bc == 0) { 102475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAX, 0x00); 103475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAR, 0x00); 104475be4d85a274d0961593db41cf85689db1d583cJoe Perches } else { 105475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAX, 0x04); 106475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_TSAR, 0x04); 107475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 108475be4d85a274d0961593db41cf85689db1d583cJoe Perches switch (mode) { 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (L1_MODE_NULL): 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, jadeMODE_TMO); 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (L1_MODE_TRANS): 113475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, (jadeMODE_TMO | jadeMODE_RAC | jadeMODE_XAC)); 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (L1_MODE_HDLC): 116475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_MODE, (jadeMODE_RAC | jadeMODE_XAC)); 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 118475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 119475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (mode) { 120475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_RCMD, (jadeRCMD_RRES | jadeRCMD_RMC)); 121475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_XCMD, jadeXCMD_XRES); 122475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Unmask ints */ 123475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_IMR, 0xF8); 124475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 125475be4d85a274d0961593db41cf85689db1d583cJoe Perches else 126475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* Mask ints */ 127475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, jade, jade_HDLC_IMR, 0x00); 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsjade_l2l1(struct PStack *st, int pr, void *arg) 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 133475be4d85a274d0961593db41cf85689db1d583cJoe Perches struct BCState *bcs = st->l1.bcs; 134475be4d85a274d0961593db41cf85689db1d583cJoe Perches struct sk_buff *skb = arg; 135475be4d85a274d0961593db41cf85689db1d583cJoe Perches u_long flags; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 137475be4d85a274d0961593db41cf85689db1d583cJoe Perches switch (pr) { 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (PH_DATA | REQUEST): 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bcs->cs->lock, flags); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bcs->tx_skb) { 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_tail(&bcs->squeue, skb); 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->tx_skb = skb; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->hw.hscx.count = 0; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->cs->BC_Send_Data(bcs); 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bcs->cs->lock, flags); 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (PH_PULL | INDICATION): 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bcs->cs->lock, flags); 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bcs->tx_skb) { 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_WARNING "jade_l2l1: this shouldn't happen\n"); 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_set_bit(BC_FLG_BUSY, &bcs->Flag); 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->tx_skb = skb; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->hw.hscx.count = 0; 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->cs->BC_Send_Data(bcs); 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bcs->cs->lock, flags); 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (PH_PULL | REQUEST): 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!bcs->tx_skb) { 164475be4d85a274d0961593db41cf85689db1d583cJoe Perches test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags); 165475be4d85a274d0961593db41cf85689db1d583cJoe Perches st->l1.l1l2(st, PH_PULL | CONFIRM, NULL); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else 167475be4d85a274d0961593db41cf85689db1d583cJoe Perches test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags); 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (PH_ACTIVATE | REQUEST): 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bcs->cs->lock, flags); 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag); 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds modejade(bcs, st->l1.mode, st->l1.bc); 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bcs->cs->lock, flags); 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds l1_msg_b(st, pr, arg); 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (PH_DEACTIVATE | REQUEST): 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds l1_msg_b(st, pr, arg); 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case (PH_DEACTIVATE | CONFIRM): 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_lock_irqsave(&bcs->cs->lock, flags); 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag); 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds modejade(bcs, 0, st->l1.bc); 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds spin_unlock_irqrestore(&bcs->cs->lock, flags); 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 187475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 190672c3fd9069e5a138f9d4afc9aeb5aa34aacce32Adrian Bunkstatic void 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsclose_jadestate(struct BCState *bcs) 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 193475be4d85a274d0961593db41cf85689db1d583cJoe Perches modejade(bcs, 0, bcs->channel); 194475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) { 195475be4d85a274d0961593db41cf85689db1d583cJoe Perches kfree(bcs->hw.hscx.rcvbuf); 196475be4d85a274d0961593db41cf85689db1d583cJoe Perches bcs->hw.hscx.rcvbuf = NULL; 197475be4d85a274d0961593db41cf85689db1d583cJoe Perches kfree(bcs->blog); 198475be4d85a274d0961593db41cf85689db1d583cJoe Perches bcs->blog = NULL; 199475be4d85a274d0961593db41cf85689db1d583cJoe Perches skb_queue_purge(&bcs->rqueue); 200475be4d85a274d0961593db41cf85689db1d583cJoe Perches skb_queue_purge(&bcs->squeue); 201475be4d85a274d0961593db41cf85689db1d583cJoe Perches if (bcs->tx_skb) { 202475be4d85a274d0961593db41cf85689db1d583cJoe Perches dev_kfree_skb_any(bcs->tx_skb); 203475be4d85a274d0961593db41cf85689db1d583cJoe Perches bcs->tx_skb = NULL; 204475be4d85a274d0961593db41cf85689db1d583cJoe Perches test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); 205475be4d85a274d0961593db41cf85689db1d583cJoe Perches } 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsopen_jadestate(struct IsdnCardState *cs, struct BCState *bcs) 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) { 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(bcs->hw.hscx.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) { 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_WARNING 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "HiSax: No memory for hscx.rcvbuf\n"); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_clear_bit(BC_FLG_INIT, &bcs->Flag); 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (1); 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) { 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(KERN_WARNING 221475be4d85a274d0961593db41cf85689db1d583cJoe Perches "HiSax: No memory for bcs->blog\n"); 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_clear_bit(BC_FLG_INIT, &bcs->Flag); 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(bcs->hw.hscx.rcvbuf); 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->hw.hscx.rcvbuf = NULL; 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (2); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_head_init(&bcs->rqueue); 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds skb_queue_head_init(&bcs->squeue); 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->tx_skb = NULL; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->event = 0; 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->hw.hscx.rcvidx = 0; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->tx_cnt = 0; 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 239672c3fd9069e5a138f9d4afc9aeb5aa34aacce32Adrian Bunkstatic int 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldssetstack_jade(struct PStack *st, struct BCState *bcs) 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->channel = st->l1.bc; 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (open_jadestate(st->l1.hardware, bcs)) 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (-1); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds st->l1.bcs = bcs; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds st->l2.l2l1 = jade_l2l1; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setstack_manager(st); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bcs->st = st; 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds setstack_l1_B(st); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (0); 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 25367eb5db5874076db01febed5a1a9281628fa9fb4Karsten Keilvoid 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsclear_pending_jade_ints(struct IsdnCardState *cs) 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0x00); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0x00); 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = cs->BC_Read_Reg(cs, 1, jade_HDLC_ISR); 26235a4a5733b0a8290de39558b82896ab795b108a7Kees Cook debugl1(cs, "jade B ISTA %x", val); 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = cs->BC_Read_Reg(cs, 0, jade_HDLC_ISR); 26435a4a5733b0a8290de39558b82896ab795b108a7Kees Cook debugl1(cs, "jade A ISTA %x", val); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = cs->BC_Read_Reg(cs, 1, jade_HDLC_STAR); 26635a4a5733b0a8290de39558b82896ab795b108a7Kees Cook debugl1(cs, "jade B STAR %x", val); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = cs->BC_Read_Reg(cs, 0, jade_HDLC_STAR); 26835a4a5733b0a8290de39558b82896ab795b108a7Kees Cook debugl1(cs, "jade A STAR %x", val); 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Unmask ints */ 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0xF8); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0xF8); 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 27467eb5db5874076db01febed5a1a9281628fa9fb4Karsten Keilvoid 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsinitjade(struct IsdnCardState *cs) 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->bcs[0].BC_SetStack = setstack_jade; 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->bcs[1].BC_SetStack = setstack_jade; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->bcs[0].BC_Close = close_jadestate; 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->bcs[1].BC_Close = close_jadestate; 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->bcs[0].hw.hscx.hscx = 0; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->bcs[1].hw.hscx.hscx = 1; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Stop DSP audio tx/rx */ 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds jade_write_indirect(cs, 0x11, 0x0f); 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds jade_write_indirect(cs, 0x17, 0x2f); 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Transparent Mode, RxTx inactive, No Test, No RFS/TFS */ 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 0, jade_HDLC_MODE, jadeMODE_TMO); 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 1, jade_HDLC_MODE, jadeMODE_TMO); 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Power down, 1-Idle, RxTx least significant bit first */ 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 0, jade_HDLC_CCR0, 0x00); 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 1, jade_HDLC_CCR0, 0x00); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Mask all interrupts */ 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 0, jade_HDLC_IMR, 0x00); 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cs->BC_Write_Reg(cs, 1, jade_HDLC_IMR, 0x00); 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Setup host access to hdlc controller */ 298475be4d85a274d0961593db41cf85689db1d583cJoe Perches jade_write_indirect(cs, jade_HDLCCNTRACCESS, (jadeINDIRECT_HAH1 | jadeINDIRECT_HAH2)); 29996de0e252cedffad61b3cb5e05662c591898e69aJan Engelhardt /* Unmask HDLC int (don't forget DSP int later on)*/ 300475be4d85a274d0961593db41cf85689db1d583cJoe Perches cs->BC_Write_Reg(cs, -1, jade_INT, (jadeINT_HDLC1 | jadeINT_HDLC2)); 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 302475be4d85a274d0961593db41cf85689db1d583cJoe Perches /* once again TRANSPARENT */ 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds modejade(cs->bcs, 0, 0); 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds modejade(cs->bcs + 1, 0, 0); 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 306