diff options
Diffstat (limited to 'drivers/isdn/hisax/netjet.c')
-rw-r--r-- | drivers/isdn/hisax/netjet.c | 623 |
1 files changed, 311 insertions, 312 deletions
diff --git a/drivers/isdn/hisax/netjet.c b/drivers/isdn/hisax/netjet.c index 644891efc26..b646eed379d 100644 --- a/drivers/isdn/hisax/netjet.c +++ b/drivers/isdn/hisax/netjet.c @@ -4,7 +4,7 @@ * * Author Karsten Keil * Copyright by Karsten Keil <keil@isdn4linux.de> - * + * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * @@ -31,21 +31,21 @@ u_char NETjet_ReadIC(struct IsdnCardState *cs, u_char offset) { u_char ret; - + cs->hw.njet.auxd &= 0xfc; - cs->hw.njet.auxd |= (offset>>4) & 3; + cs->hw.njet.auxd |= (offset >> 4) & 3; byteout(cs->hw.njet.auxa, cs->hw.njet.auxd); - ret = bytein(cs->hw.njet.isac + ((offset & 0xf)<<2)); - return(ret); + ret = bytein(cs->hw.njet.isac + ((offset & 0xf) << 2)); + return (ret); } void NETjet_WriteIC(struct IsdnCardState *cs, u_char offset, u_char value) { cs->hw.njet.auxd &= 0xfc; - cs->hw.njet.auxd |= (offset>>4) & 3; + cs->hw.njet.auxd |= (offset >> 4) & 3; byteout(cs->hw.njet.auxa, cs->hw.njet.auxd); - byteout(cs->hw.njet.isac + ((offset & 0xf)<<2), value); + byteout(cs->hw.njet.isac + ((offset & 0xf) << 2), value); } void @@ -56,7 +56,7 @@ NETjet_ReadICfifo(struct IsdnCardState *cs, u_char *data, int size) insb(cs->hw.njet.isac, data, size); } -void +void NETjet_WriteICfifo(struct IsdnCardState *cs, u_char *data, int size) { cs->hw.njet.auxd &= 0xfc; @@ -66,17 +66,17 @@ NETjet_WriteICfifo(struct IsdnCardState *cs, u_char *data, int size) static void fill_mem(struct BCState *bcs, u_int *pos, u_int cnt, int chan, u_char fill) { - u_int mask=0x000000ff, val = 0, *p=pos; + u_int mask = 0x000000ff, val = 0, *p = pos; u_int i; - + val |= fill; if (chan) { val <<= 8; mask <<= 8; } mask ^= 0xffffffff; - for (i=0; i<cnt; i++) { - *p &= mask; + for (i = 0; i < cnt; i++) { + *p &= mask; *p++ |= val; if (p > bcs->hw.tiger.s_end) p = bcs->hw.tiger.send; @@ -87,7 +87,7 @@ static void mode_tiger(struct BCState *bcs, int mode, int bc) { struct IsdnCardState *cs = bcs->cs; - u_char led; + u_char led; if (cs->debug & L1_DEB_HSCX) debugl1(cs, "Tiger mode %d bchan %d/%d", @@ -95,63 +95,63 @@ mode_tiger(struct BCState *bcs, int mode, int bc) bcs->mode = mode; bcs->channel = bc; switch (mode) { - case (L1_MODE_NULL): - fill_mem(bcs, bcs->hw.tiger.send, - NETJET_DMA_TXSIZE, bc, 0xff); - if (cs->debug & L1_DEB_HSCX) - debugl1(cs, "Tiger stat rec %d/%d send %d", - bcs->hw.tiger.r_tot, bcs->hw.tiger.r_err, - bcs->hw.tiger.s_tot); - if ((cs->bcs[0].mode == L1_MODE_NULL) && - (cs->bcs[1].mode == L1_MODE_NULL)) { - cs->hw.njet.dmactrl = 0; - byteout(cs->hw.njet.base + NETJET_DMACTRL, - cs->hw.njet.dmactrl); - byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0); - } - if (cs->typ == ISDN_CTYPE_NETJET_S) - { - // led off - led = bc & 0x01; - led = 0x01 << (6 + led); // convert to mask - led = ~led; - cs->hw.njet.auxd &= led; - byteout(cs->hw.njet.auxa, cs->hw.njet.auxd); - } - break; - case (L1_MODE_TRANS): - break; - case (L1_MODE_HDLC_56K): - case (L1_MODE_HDLC): + case (L1_MODE_NULL): + fill_mem(bcs, bcs->hw.tiger.send, + NETJET_DMA_TXSIZE, bc, 0xff); + if (cs->debug & L1_DEB_HSCX) + debugl1(cs, "Tiger stat rec %d/%d send %d", + bcs->hw.tiger.r_tot, bcs->hw.tiger.r_err, + bcs->hw.tiger.s_tot); + if ((cs->bcs[0].mode == L1_MODE_NULL) && + (cs->bcs[1].mode == L1_MODE_NULL)) { + cs->hw.njet.dmactrl = 0; + byteout(cs->hw.njet.base + NETJET_DMACTRL, + cs->hw.njet.dmactrl); + byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0); + } + if (cs->typ == ISDN_CTYPE_NETJET_S) + { + // led off + led = bc & 0x01; + led = 0x01 << (6 + led); // convert to mask + led = ~led; + cs->hw.njet.auxd &= led; + byteout(cs->hw.njet.auxa, cs->hw.njet.auxd); + } + break; + case (L1_MODE_TRANS): + break; + case (L1_MODE_HDLC_56K): + case (L1_MODE_HDLC): + fill_mem(bcs, bcs->hw.tiger.send, + NETJET_DMA_TXSIZE, bc, 0xff); + bcs->hw.tiger.r_state = HDLC_ZERO_SEARCH; + bcs->hw.tiger.r_tot = 0; + bcs->hw.tiger.r_bitcnt = 0; + bcs->hw.tiger.r_one = 0; + bcs->hw.tiger.r_err = 0; + bcs->hw.tiger.s_tot = 0; + if (!cs->hw.njet.dmactrl) { fill_mem(bcs, bcs->hw.tiger.send, - NETJET_DMA_TXSIZE, bc, 0xff); - bcs->hw.tiger.r_state = HDLC_ZERO_SEARCH; - bcs->hw.tiger.r_tot = 0; - bcs->hw.tiger.r_bitcnt = 0; - bcs->hw.tiger.r_one = 0; - bcs->hw.tiger.r_err = 0; - bcs->hw.tiger.s_tot = 0; - if (! cs->hw.njet.dmactrl) { - fill_mem(bcs, bcs->hw.tiger.send, - NETJET_DMA_TXSIZE, !bc, 0xff); - cs->hw.njet.dmactrl = 1; - byteout(cs->hw.njet.base + NETJET_DMACTRL, - cs->hw.njet.dmactrl); - byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0x0f); + NETJET_DMA_TXSIZE, !bc, 0xff); + cs->hw.njet.dmactrl = 1; + byteout(cs->hw.njet.base + NETJET_DMACTRL, + cs->hw.njet.dmactrl); + byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0x0f); /* was 0x3f now 0x0f for TJ300 and TJ320 GE 13/07/00 */ - } - bcs->hw.tiger.sendp = bcs->hw.tiger.send; - bcs->hw.tiger.free = NETJET_DMA_TXSIZE; - test_and_set_bit(BC_FLG_EMPTY, &bcs->Flag); - if (cs->typ == ISDN_CTYPE_NETJET_S) - { - // led on - led = bc & 0x01; - led = 0x01 << (6 + led); // convert to mask - cs->hw.njet.auxd |= led; - byteout(cs->hw.njet.auxa, cs->hw.njet.auxd); - } - break; + } + bcs->hw.tiger.sendp = bcs->hw.tiger.send; + bcs->hw.tiger.free = NETJET_DMA_TXSIZE; + test_and_set_bit(BC_FLG_EMPTY, &bcs->Flag); + if (cs->typ == ISDN_CTYPE_NETJET_S) + { + // led on + led = bc & 0x01; + led = 0x01 << (6 + led); // convert to mask + cs->hw.njet.auxd |= led; + byteout(cs->hw.njet.auxa, cs->hw.njet.auxd); + } + break; } if (cs->debug & L1_DEB_HSCX) debugl1(cs, "tiger: set %x %x %x %x/%x pulse=%d", @@ -166,15 +166,15 @@ mode_tiger(struct BCState *bcs, int mode, int bc) static void printframe(struct IsdnCardState *cs, u_char *buf, int count, char *s) { char tmp[128]; char *t = tmp; - int i=count,j; + int i = count, j; u_char *p = buf; t += sprintf(t, "tiger %s(%4d)", s, count); - while (i>0) { - if (i>16) - j=16; + while (i > 0) { + if (i > 16) + j = 16; else - j=i; + j = i; QuickHex(t, p, j); debugl1(cs, tmp); p += j; @@ -186,78 +186,78 @@ static void printframe(struct IsdnCardState *cs, u_char *buf, int count, char *s // macro for 64k -#define MAKE_RAW_BYTE for (j=0; j<8; j++) { \ - bitcnt++;\ - s_val >>= 1;\ - if (val & 1) {\ - s_one++;\ - s_val |= 0x80;\ - } else {\ - s_one = 0;\ - s_val &= 0x7f;\ - }\ - if (bitcnt==8) {\ - bcs->hw.tiger.sendbuf[s_cnt++] = s_val;\ - bitcnt = 0;\ - }\ - if (s_one == 5) {\ - s_val >>= 1;\ - s_val &= 0x7f;\ - bitcnt++;\ - s_one = 0;\ - }\ - if (bitcnt==8) {\ - bcs->hw.tiger.sendbuf[s_cnt++] = s_val;\ - bitcnt = 0;\ - }\ - val >>= 1;\ - } +#define MAKE_RAW_BYTE for (j = 0; j < 8; j++) { \ + bitcnt++; \ + s_val >>= 1; \ + if (val & 1) { \ + s_one++; \ + s_val |= 0x80; \ + } else { \ + s_one = 0; \ + s_val &= 0x7f; \ + } \ + if (bitcnt == 8) { \ + bcs->hw.tiger.sendbuf[s_cnt++] = s_val; \ + bitcnt = 0; \ + } \ + if (s_one == 5) { \ + s_val >>= 1; \ + s_val &= 0x7f; \ + bitcnt++; \ + s_one = 0; \ + } \ + if (bitcnt == 8) { \ + bcs->hw.tiger.sendbuf[s_cnt++] = s_val; \ + bitcnt = 0; \ + } \ + val >>= 1; \ + } static int make_raw_data(struct BCState *bcs) { // this make_raw is for 64k - register u_int i,s_cnt=0; + register u_int i, s_cnt = 0; register u_char j; register u_char val; register u_char s_one = 0; register u_char s_val = 0; register u_char bitcnt = 0; u_int fcs; - + if (!bcs->tx_skb) { debugl1(bcs->cs, "tiger make_raw: NULL skb"); - return(1); + return (1); } bcs->hw.tiger.sendbuf[s_cnt++] = HDLC_FLAG_VALUE; fcs = PPP_INITFCS; - for (i=0; i<bcs->tx_skb->len; i++) { + for (i = 0; i < bcs->tx_skb->len; i++) { val = bcs->tx_skb->data[i]; - fcs = PPP_FCS (fcs, val); + fcs = PPP_FCS(fcs, val); MAKE_RAW_BYTE; } fcs ^= 0xffff; val = fcs & 0xff; MAKE_RAW_BYTE; - val = (fcs>>8) & 0xff; + val = (fcs >> 8) & 0xff; MAKE_RAW_BYTE; val = HDLC_FLAG_VALUE; - for (j=0; j<8; j++) { + for (j = 0; j < 8; j++) { bitcnt++; s_val >>= 1; if (val & 1) s_val |= 0x80; else s_val &= 0x7f; - if (bitcnt==8) { + if (bitcnt == 8) { bcs->hw.tiger.sendbuf[s_cnt++] = s_val; bitcnt = 0; } val >>= 1; } if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger make_raw: in %u out %d.%d", + debugl1(bcs->cs, "tiger make_raw: in %u out %d.%d", bcs->tx_skb->len, s_cnt, bitcnt); if (bitcnt) { - while (8>bitcnt++) { + while (8 > bitcnt++) { s_val >>= 1; s_val |= 0x80; } @@ -267,65 +267,65 @@ static int make_raw_data(struct BCState *bcs) { bcs->hw.tiger.sendcnt = s_cnt; bcs->tx_cnt -= bcs->tx_skb->len; bcs->hw.tiger.sp = bcs->hw.tiger.sendbuf; - return(0); + return (0); } // macro for 56k -#define MAKE_RAW_BYTE_56K for (j=0; j<8; j++) { \ - bitcnt++;\ - s_val >>= 1;\ - if (val & 1) {\ - s_one++;\ - s_val |= 0x80;\ - } else {\ - s_one = 0;\ - s_val &= 0x7f;\ - }\ - if (bitcnt==7) {\ - s_val >>= 1;\ - s_val |= 0x80;\ - bcs->hw.tiger.sendbuf[s_cnt++] = s_val;\ - bitcnt = 0;\ - }\ - if (s_one == 5) {\ - s_val >>= 1;\ - s_val &= 0x7f;\ - bitcnt++;\ - s_one = 0;\ - }\ - if (bitcnt==7) {\ - s_val >>= 1;\ - s_val |= 0x80;\ - bcs->hw.tiger.sendbuf[s_cnt++] = s_val;\ - bitcnt = 0;\ - }\ - val >>= 1;\ - } +#define MAKE_RAW_BYTE_56K for (j = 0; j < 8; j++) { \ + bitcnt++; \ + s_val >>= 1; \ + if (val & 1) { \ + s_one++; \ + s_val |= 0x80; \ + } else { \ + s_one = 0; \ + s_val &= 0x7f; \ + } \ + if (bitcnt == 7) { \ + s_val >>= 1; \ + s_val |= 0x80; \ + bcs->hw.tiger.sendbuf[s_cnt++] = s_val; \ + bitcnt = 0; \ + } \ + if (s_one == 5) { \ + s_val >>= 1; \ + s_val &= 0x7f; \ + bitcnt++; \ + s_one = 0; \ + } \ + if (bitcnt == 7) { \ + s_val >>= 1; \ + s_val |= 0x80; \ + bcs->hw.tiger.sendbuf[s_cnt++] = s_val; \ + bitcnt = 0; \ + } \ + val >>= 1; \ + } static int make_raw_data_56k(struct BCState *bcs) { // this make_raw is for 56k - register u_int i,s_cnt=0; + register u_int i, s_cnt = 0; register u_char j; register u_char val; register u_char s_one = 0; register u_char s_val = 0; register u_char bitcnt = 0; u_int fcs; - + if (!bcs->tx_skb) { debugl1(bcs->cs, "tiger make_raw_56k: NULL skb"); - return(1); + return (1); } val = HDLC_FLAG_VALUE; - for (j=0; j<8; j++) { + for (j = 0; j < 8; j++) { bitcnt++; s_val >>= 1; if (val & 1) s_val |= 0x80; else s_val &= 0x7f; - if (bitcnt==7) { + if (bitcnt == 7) { s_val >>= 1; s_val |= 0x80; bcs->hw.tiger.sendbuf[s_cnt++] = s_val; @@ -334,25 +334,25 @@ static int make_raw_data_56k(struct BCState *bcs) { val >>= 1; }; fcs = PPP_INITFCS; - for (i=0; i<bcs->tx_skb->len; i++) { + for (i = 0; i < bcs->tx_skb->len; i++) { val = bcs->tx_skb->data[i]; - fcs = PPP_FCS (fcs, val); + fcs = PPP_FCS(fcs, val); MAKE_RAW_BYTE_56K; } fcs ^= 0xffff; val = fcs & 0xff; MAKE_RAW_BYTE_56K; - val = (fcs>>8) & 0xff; + val = (fcs >> 8) & 0xff; MAKE_RAW_BYTE_56K; val = HDLC_FLAG_VALUE; - for (j=0; j<8; j++) { + for (j = 0; j < 8; j++) { bitcnt++; s_val >>= 1; if (val & 1) s_val |= 0x80; else s_val &= 0x7f; - if (bitcnt==7) { + if (bitcnt == 7) { s_val >>= 1; s_val |= 0x80; bcs->hw.tiger.sendbuf[s_cnt++] = s_val; @@ -361,10 +361,10 @@ static int make_raw_data_56k(struct BCState *bcs) { val >>= 1; } if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger make_raw_56k: in %u out %d.%d", + debugl1(bcs->cs, "tiger make_raw_56k: in %u out %d.%d", bcs->tx_skb->len, s_cnt, bitcnt); if (bitcnt) { - while (8>bitcnt++) { + while (8 > bitcnt++) { s_val >>= 1; s_val |= 0x80; } @@ -374,12 +374,12 @@ static int make_raw_data_56k(struct BCState *bcs) { bcs->hw.tiger.sendcnt = s_cnt; bcs->tx_cnt -= bcs->tx_skb->len; bcs->hw.tiger.sp = bcs->hw.tiger.sendbuf; - return(0); + return (0); } static void got_frame(struct BCState *bcs, int count) { struct sk_buff *skb; - + if (!(skb = dev_alloc_skb(count))) printk(KERN_WARNING "TIGER: receive out of memory\n"); else { @@ -388,18 +388,18 @@ static void got_frame(struct BCState *bcs, int count) { } test_and_set_bit(B_RCVBUFREADY, &bcs->event); schedule_work(&bcs->tqueue); - + if (bcs->cs->debug & L1_DEB_RECEIVE_FRAME) printframe(bcs->cs, bcs->hw.tiger.rcvbuf, count, "rec"); } -static void read_raw(struct BCState *bcs, u_int *buf, int cnt){ +static void read_raw(struct BCState *bcs, u_int *buf, int cnt) { int i; register u_char j; register u_char val; - u_int *pend = bcs->hw.tiger.rec +NETJET_DMA_RXSIZE -1; + u_int *pend = bcs->hw.tiger.rec + NETJET_DMA_RXSIZE - 1; register u_char state = bcs->hw.tiger.r_state; register u_char r_one = bcs->hw.tiger.r_one; register u_char r_val = bcs->hw.tiger.r_val; @@ -408,7 +408,7 @@ static void read_raw(struct BCState *bcs, u_int *buf, int cnt){ int bits; u_char mask; - if (bcs->mode == L1_MODE_HDLC) { // it's 64k + if (bcs->mode == L1_MODE_HDLC) { // it's 64k mask = 0xff; bits = 8; } @@ -416,8 +416,8 @@ static void read_raw(struct BCState *bcs, u_int *buf, int cnt){ mask = 0x7f; bits = 7; }; - for (i=0;i<cnt;i++) { - val = bcs->channel ? ((*p>>8) & 0xff) : (*p & 0xff); + for (i = 0; i < cnt; i++) { + val = bcs->channel ? ((*p >> 8) & 0xff) : (*p & 0xff); p++; if (p > pend) p = bcs->hw.tiger.rec; @@ -428,137 +428,137 @@ static void read_raw(struct BCState *bcs, u_int *buf, int cnt){ r_one = 0; continue; } - for (j=0;j<bits;j++) { + for (j = 0; j < bits; j++) { if (state == HDLC_ZERO_SEARCH) { if (val & 1) { r_one++; } else { - r_one=0; - state= HDLC_FLAG_SEARCH; + r_one = 0; + state = HDLC_FLAG_SEARCH; if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger read_raw: zBit(%d,%d,%d) %x", - bcs->hw.tiger.r_tot,i,j,val); + debugl1(bcs->cs, "tiger read_raw: zBit(%d,%d,%d) %x", + bcs->hw.tiger.r_tot, i, j, val); } - } else if (state == HDLC_FLAG_SEARCH) { + } else if (state == HDLC_FLAG_SEARCH) { if (val & 1) { r_one++; - if (r_one>6) { - state=HDLC_ZERO_SEARCH; + if (r_one > 6) { + state = HDLC_ZERO_SEARCH; } } else { - if (r_one==6) { - bitcnt=0; - r_val=0; - state=HDLC_FLAG_FOUND; + if (r_one == 6) { + bitcnt = 0; + r_val = 0; + state = HDLC_FLAG_FOUND; if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger read_raw: flag(%d,%d,%d) %x", - bcs->hw.tiger.r_tot,i,j,val); + debugl1(bcs->cs, "tiger read_raw: flag(%d,%d,%d) %x", + bcs->hw.tiger.r_tot, i, j, val); } - r_one=0; + r_one = 0; } - } else if (state == HDLC_FLAG_FOUND) { + } else if (state == HDLC_FLAG_FOUND) { if (val & 1) { r_one++; - if (r_one>6) { - state=HDLC_ZERO_SEARCH; + if (r_one > 6) { + state = HDLC_ZERO_SEARCH; } else { r_val >>= 1; r_val |= 0x80; bitcnt++; } } else { - if (r_one==6) { - bitcnt=0; - r_val=0; - r_one=0; + if (r_one == 6) { + bitcnt = 0; + r_val = 0; + r_one = 0; val >>= 1; continue; - } else if (r_one!=5) { + } else if (r_one != 5) { r_val >>= 1; r_val &= 0x7f; bitcnt++; } - r_one=0; + r_one = 0; } if ((state != HDLC_ZERO_SEARCH) && - !(bitcnt & 7)) { - state=HDLC_FRAME_FOUND; + !(bitcnt & 7)) { + state = HDLC_FRAME_FOUND; bcs->hw.tiger.r_fcs = PPP_INITFCS; bcs->hw.tiger.rcvbuf[0] = r_val; - bcs->hw.tiger.r_fcs = PPP_FCS (bcs->hw.tiger.r_fcs, r_val); + bcs->hw.tiger.r_fcs = PPP_FCS(bcs->hw.tiger.r_fcs, r_val); if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger read_raw: byte1(%d,%d,%d) rval %x val %x i %x", - bcs->hw.tiger.r_tot,i,j,r_val,val, + debugl1(bcs->cs, "tiger read_raw: byte1(%d,%d,%d) rval %x val %x i %x", + bcs->hw.tiger.r_tot, i, j, r_val, val, bcs->cs->hw.njet.irqstat0); } } else if (state == HDLC_FRAME_FOUND) { if (val & 1) { r_one++; - if (r_one>6) { - state=HDLC_ZERO_SEARCH; - bitcnt=0; + if (r_one > 6) { + state = HDLC_ZERO_SEARCH; + bitcnt = 0; } else { r_val >>= 1; r_val |= 0x80; bitcnt++; } } else { - if (r_one==6) { - r_val=0; - r_one=0; + if (r_one == 6) { + r_val = 0; + r_one = 0; bitcnt++; if (bitcnt & 7) { debugl1(bcs->cs, "tiger: frame not byte aligned"); - state=HDLC_FLAG_SEARCH; + state = HDLC_FLAG_SEARCH; bcs->hw.tiger.r_err++; #ifdef ERROR_STATISTIC bcs->err_inv++; #endif } else { if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger frame end(%d,%d): fcs(%x) i %x", - i,j,bcs->hw.tiger.r_fcs, bcs->cs->hw.njet.irqstat0); + debugl1(bcs->cs, "tiger frame end(%d,%d): fcs(%x) i %x", + i, j, bcs->hw.tiger.r_fcs, bcs->cs->hw.njet.irqstat0); if (bcs->hw.tiger.r_fcs == PPP_GOODFCS) { - got_frame(bcs, (bitcnt>>3)-3); + got_frame(bcs, (bitcnt >> 3) - 3); } else { if (bcs->cs->debug) { debugl1(bcs->cs, "tiger FCS error"); printframe(bcs->cs, bcs->hw.tiger.rcvbuf, - (bitcnt>>3)-1, "rec"); + (bitcnt >> 3) - 1, "rec"); bcs->hw.tiger.r_err++; } #ifdef ERROR_STATISTIC - bcs->err_crc++; + bcs->err_crc++; #endif } - state=HDLC_FLAG_FOUND; + state = HDLC_FLAG_FOUND; } - bitcnt=0; - } else if (r_one==5) { + bitcnt = 0; + } else if (r_one == 5) { val >>= 1; - r_one=0; + r_one = 0; continue; } else { r_val >>= 1; r_val &= 0x7f; bitcnt++; } - r_one=0; + r_one = 0; } if ((state == HDLC_FRAME_FOUND) && - !(bitcnt & 7)) { - if ((bitcnt>>3)>=HSCX_BUFMAX) { + !(bitcnt & 7)) { + if ((bitcnt >> 3) >= HSCX_BUFMAX) { debugl1(bcs->cs, "tiger: frame too big"); - r_val=0; - state=HDLC_FLAG_SEARCH; + r_val = 0; + state = HDLC_FLAG_SEARCH; bcs->hw.tiger.r_err++; #ifdef ERROR_STATISTIC bcs->err_inv++; #endif } else { - bcs->hw.tiger.rcvbuf[(bitcnt>>3)-1] = r_val; - bcs->hw.tiger.r_fcs = - PPP_FCS (bcs->hw.tiger.r_fcs, r_val); + bcs->hw.tiger.rcvbuf[(bitcnt >> 3) - 1] = r_val; + bcs->hw.tiger.r_fcs = + PPP_FCS(bcs->hw.tiger.r_fcs, r_val); } } } @@ -574,10 +574,10 @@ static void read_raw(struct BCState *bcs, u_int *buf, int cnt){ void read_tiger(struct IsdnCardState *cs) { u_int *p; - int cnt = NETJET_DMA_RXSIZE/2; - + int cnt = NETJET_DMA_RXSIZE / 2; + if ((cs->hw.njet.irqstat0 & cs->hw.njet.last_is0) & NETJET_IRQM0_READ) { - debugl1(cs,"tiger warn read double dma %x/%x", + debugl1(cs, "tiger warn read double dma %x/%x", cs->hw.njet.irqstat0, cs->hw.njet.last_is0); #ifdef ERROR_STATISTIC if (cs->bcs[0].mode) @@ -589,7 +589,7 @@ void read_tiger(struct IsdnCardState *cs) { } else { cs->hw.njet.last_is0 &= ~NETJET_IRQM0_READ; cs->hw.njet.last_is0 |= (cs->hw.njet.irqstat0 & NETJET_IRQM0_READ); - } + } if (cs->hw.njet.irqstat0 & NETJET_IRQM0_READ_1) p = cs->bcs[0].hw.tiger.rec + NETJET_DMA_RXSIZE - 1; else @@ -612,20 +612,20 @@ void netjet_fill_dma(struct BCState *bcs) if (!bcs->tx_skb) return; if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger fill_dma1: c%d %4lx", bcs->channel, + debugl1(bcs->cs, "tiger fill_dma1: c%d %4lx", bcs->channel, bcs->Flag); if (test_and_set_bit(BC_FLG_BUSY, &bcs->Flag)) return; if (bcs->mode == L1_MODE_HDLC) { // it's 64k if (make_raw_data(bcs)) - return; + return; } else { // it's 56k if (make_raw_data_56k(bcs)) - return; + return; }; if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger fill_dma2: c%d %4lx", bcs->channel, + debugl1(bcs->cs, "tiger fill_dma2: c%d %4lx", bcs->channel, bcs->Flag); if (test_and_clear_bit(BC_FLG_NOFRAME, &bcs->Flag)) { write_raw(bcs, bcs->hw.tiger.sendp, bcs->hw.tiger.free); @@ -633,11 +633,11 @@ void netjet_fill_dma(struct BCState *bcs) p = bus_to_virt(inl(bcs->cs->hw.njet.base + NETJET_DMA_READ_ADR)); sp = bcs->hw.tiger.sendp; if (p == bcs->hw.tiger.s_end) - p = bcs->hw.tiger.send -1; + p = bcs->hw.tiger.send - 1; if (sp == bcs->hw.tiger.s_end) - sp = bcs->hw.tiger.send -1; + sp = bcs->hw.tiger.send - 1; cnt = p - sp; - if (cnt <0) { + if (cnt < 0) { write_raw(bcs, bcs->hw.tiger.sendp, bcs->hw.tiger.free); } else { p++; @@ -655,30 +655,30 @@ void netjet_fill_dma(struct BCState *bcs) cnt = bcs->hw.tiger.s_end - p; if (cnt < 2) { p = bcs->hw.tiger.send + 1; - cnt = NETJET_DMA_TXSIZE/2 - 2; + cnt = NETJET_DMA_TXSIZE / 2 - 2; } else { p++; p++; - if (cnt <= (NETJET_DMA_TXSIZE/2)) - cnt += NETJET_DMA_TXSIZE/2; + if (cnt <= (NETJET_DMA_TXSIZE / 2)) + cnt += NETJET_DMA_TXSIZE / 2; cnt--; cnt--; } write_raw(bcs, p, cnt); } if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger fill_dma3: c%d %4lx", bcs->channel, + debugl1(bcs->cs, "tiger fill_dma3: c%d %4lx", bcs->channel, bcs->Flag); } static void write_raw(struct BCState *bcs, u_int *buf, int cnt) { - u_int mask, val, *p=buf; + u_int mask, val, *p = buf; u_int i, s_cnt; - - if (cnt <= 0) - return; + + if (cnt <= 0) + return; if (test_bit(BC_FLG_BUSY, &bcs->Flag)) { - if (bcs->hw.tiger.sendcnt> cnt) { + if (bcs->hw.tiger.sendcnt > cnt) { s_cnt = cnt; bcs->hw.tiger.sendcnt -= cnt; } else { @@ -689,17 +689,17 @@ static void write_raw(struct BCState *bcs, u_int *buf, int cnt) { mask = 0xffff00ff; else mask = 0xffffff00; - for (i=0; i<s_cnt; i++) { - val = bcs->channel ? ((bcs->hw.tiger.sp[i] <<8) & 0xff00) : + for (i = 0; i < s_cnt; i++) { + val = bcs->channel ? ((bcs->hw.tiger.sp[i] << 8) & 0xff00) : (bcs->hw.tiger.sp[i]); - *p &= mask; + *p &= mask; *p++ |= val; - if (p>bcs->hw.tiger.s_end) + if (p > bcs->hw.tiger.s_end) p = bcs->hw.tiger.send; } bcs->hw.tiger.s_tot += s_cnt; if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger write_raw: c%d %p-%p %d/%d %d %x", bcs->channel, + debugl1(bcs->cs, "tiger write_raw: c%d %p-%p %d/%d %d %x", bcs->channel, buf, p, s_cnt, cnt, bcs->hw.tiger.sendcnt, bcs->cs->hw.njet.irqstat0); if (bcs->cs->debug & L1_DEB_HSCX_FIFO) @@ -708,10 +708,10 @@ static void write_raw(struct BCState *bcs, u_int *buf, int cnt) { bcs->hw.tiger.sendp = p; if (!bcs->hw.tiger.sendcnt) { if (!bcs->tx_skb) { - debugl1(bcs->cs,"tiger write_raw: NULL skb s_cnt %d", s_cnt); + debugl1(bcs->cs, "tiger write_raw: NULL skb s_cnt %d", s_cnt); } else { - if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) && - (PACKET_NOACK != bcs->tx_skb->pkt_type)) { + if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) && + (PACKET_NOACK != bcs->tx_skb->pkt_type)) { u_long flags; spin_lock_irqsave(&bcs->aclock, flags); bcs->ackcnt += bcs->tx_skb->len; @@ -723,7 +723,7 @@ static void write_raw(struct BCState *bcs, u_int *buf, int cnt) { } test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); bcs->hw.tiger.free = cnt - s_cnt; - if (bcs->hw.tiger.free > (NETJET_DMA_TXSIZE/2)) + if (bcs->hw.tiger.free > (NETJET_DMA_TXSIZE / 2)) test_and_set_bit(BC_FLG_HALF, &bcs->Flag); else { test_and_clear_bit(BC_FLG_HALF, &bcs->Flag); @@ -734,9 +734,9 @@ static void write_raw(struct BCState *bcs, u_int *buf, int cnt) { } else { mask ^= 0xffffffff; if (s_cnt < cnt) { - for (i=s_cnt; i<cnt;i++) { + for (i = s_cnt; i < cnt; i++) { *p++ |= mask; - if (p>bcs->hw.tiger.s_end) + if (p > bcs->hw.tiger.s_end) p = bcs->hw.tiger.send; } if (bcs->cs->debug & L1_DEB_HSCX) @@ -752,20 +752,20 @@ static void write_raw(struct BCState *bcs, u_int *buf, int cnt) { fill_mem(bcs, buf, cnt, bcs->channel, 0xff); bcs->hw.tiger.free += cnt; if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger write_raw: fill half"); + debugl1(bcs->cs, "tiger write_raw: fill half"); } else if (test_and_clear_bit(BC_FLG_HALF, &bcs->Flag)) { test_and_set_bit(BC_FLG_EMPTY, &bcs->Flag); fill_mem(bcs, buf, cnt, bcs->channel, 0xff); if (bcs->cs->debug & L1_DEB_HSCX) - debugl1(bcs->cs,"tiger write_raw: fill full"); + debugl1(bcs->cs, "tiger write_raw: fill full"); } } void write_tiger(struct IsdnCardState *cs) { - u_int *p, cnt = NETJET_DMA_TXSIZE/2; - + u_int *p, cnt = NETJET_DMA_TXSIZE / 2; + if ((cs->hw.njet.irqstat0 & cs->hw.njet.last_is0) & NETJET_IRQM0_WRITE) { - debugl1(cs,"tiger warn write double dma %x/%x", + debugl1(cs, "tiger warn write double dma %x/%x", cs->hw.njet.irqstat0, cs->hw.njet.last_is0); #ifdef ERROR_STATISTIC if (cs->bcs[0].mode) @@ -777,7 +777,7 @@ void write_tiger(struct IsdnCardState *cs) { } else { cs->hw.njet.last_is0 &= ~NETJET_IRQM0_WRITE; cs->hw.njet.last_is0 |= (cs->hw.njet.irqstat0 & NETJET_IRQM0_WRITE); - } + } if (cs->hw.njet.irqstat0 & NETJET_IRQM0_WRITE_1) p = cs->bcs[0].hw.tiger.send + NETJET_DMA_TXSIZE - 1; else @@ -797,55 +797,55 @@ tiger_l2l1(struct PStack *st, int pr, void *arg) u_long flags; switch (pr) { - case (PH_DATA | REQUEST): - spin_lock_irqsave(&bcs->cs->lock, flags); - if (bcs->tx_skb) { - skb_queue_tail(&bcs->squeue, skb); - } else { - bcs->tx_skb = skb; - bcs->cs->BC_Send_Data(bcs); - } - spin_unlock_irqrestore(&bcs->cs->lock, flags); - break; - case (PH_PULL | INDICATION): - spin_lock_irqsave(&bcs->cs->lock, flags); - if (bcs->tx_skb) { - printk(KERN_WARNING "tiger_l2l1: this shouldn't happen\n"); - } else { - bcs->tx_skb = skb; - bcs->cs->BC_Send_Data(bcs); - } - spin_unlock_irqrestore(&bcs->cs->lock, flags); - break; - case (PH_PULL | REQUEST): - if (!bcs->tx_skb) { - test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags); - st->l1.l1l2(st, PH_PULL | CONFIRM, NULL); - } else - test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags); - break; - case (PH_ACTIVATE | REQUEST): - spin_lock_irqsave(&bcs->cs->lock, flags); - test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag); - mode_tiger(bcs, st->l1.mode, st->l1.bc); - /* 2001/10/04 Christoph Ersfeld, Formula-n Europe AG */ - spin_unlock_irqrestore(&bcs->cs->lock, flags); - bcs->cs->cardmsg(bcs->cs, MDL_BC_ASSIGN, (void *)(&st->l1.bc)); - l1_msg_b(st, pr, arg); - break; - case (PH_DEACTIVATE | REQUEST): - /* 2001/10/04 Christoph Ersfeld, Formula-n Europe AG */ - bcs->cs->cardmsg(bcs->cs, MDL_BC_RELEASE, (void *)(&st->l1.bc)); - l1_msg_b(st, pr, arg); - break; - case (PH_DEACTIVATE | CONFIRM): - spin_lock_irqsave(&bcs->cs->lock, flags); - test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag); - test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); - mode_tiger(bcs, 0, st->l1.bc); - spin_unlock_irqrestore(&bcs->cs->lock, flags); - st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL); - break; + case (PH_DATA | REQUEST): + spin_lock_irqsave(&bcs->cs->lock, flags); + if (bcs->tx_skb) { + skb_queue_tail(&bcs->squeue, skb); + } else { + bcs->tx_skb = skb; + bcs->cs->BC_Send_Data(bcs); + } + spin_unlock_irqrestore(&bcs->cs->lock, flags); + break; + case (PH_PULL | INDICATION): + spin_lock_irqsave(&bcs->cs->lock, flags); + if (bcs->tx_skb) { + printk(KERN_WARNING "tiger_l2l1: this shouldn't happen\n"); + } else { + bcs->tx_skb = skb; + bcs->cs->BC_Send_Data(bcs); + } + spin_unlock_irqrestore(&bcs->cs->lock, flags); + break; + case (PH_PULL | REQUEST): + if (!bcs->tx_skb) { + test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags); + st->l1.l1l2(st, PH_PULL | CONFIRM, NULL); + } else + test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags); + break; + case (PH_ACTIVATE | REQUEST): + spin_lock_irqsave(&bcs->cs->lock, flags); + test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag); + mode_tiger(bcs, st->l1.mode, st->l1.bc); + /* 2001/10/04 Christoph Ersfeld, Formula-n Europe AG */ + spin_unlock_irqrestore(&bcs->cs->lock, flags); + bcs->cs->cardmsg(bcs->cs, MDL_BC_ASSIGN, (void *)(&st->l1.bc)); + l1_msg_b(st, pr, arg); + break; + case (PH_DEACTIVATE | REQUEST): + /* 2001/10/04 Christoph Ersfeld, Formula-n Europe AG */ + bcs->cs->cardmsg(bcs->cs, MDL_BC_RELEASE, (void *)(&st->l1.bc)); + l1_msg_b(st, pr, arg); + break; + case (PH_DEACTIVATE | CONFIRM): + spin_lock_irqsave(&bcs->cs->lock, flags); + test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag); + test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag); + mode_tiger(bcs, 0, st->l1.bc); + spin_unlock_irqrestore(&bcs->cs->lock, flags); + st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL); + break; } } @@ -908,33 +908,33 @@ setstack_tiger(struct PStack *st, struct BCState *bcs) return (0); } - + void inittiger(struct IsdnCardState *cs) { if (!(cs->bcs[0].hw.tiger.send = kmalloc(NETJET_DMA_TXSIZE * sizeof(unsigned int), - GFP_KERNEL | GFP_DMA))) { + GFP_KERNEL | GFP_DMA))) { printk(KERN_WARNING "HiSax: No memory for tiger.send\n"); return; } - cs->bcs[0].hw.tiger.s_irq = cs->bcs[0].hw.tiger.send + NETJET_DMA_TXSIZE/2 - 1; + cs->bcs[0].hw.tiger.s_irq = cs->bcs[0].hw.tiger.send + NETJET_DMA_TXSIZE / 2 - 1; cs->bcs[0].hw.tiger.s_end = cs->bcs[0].hw.tiger.send + NETJET_DMA_TXSIZE - 1; cs->bcs[1].hw.tiger.send = cs->bcs[0].hw.tiger.send; cs->bcs[1].hw.tiger.s_irq = cs->bcs[0].hw.tiger.s_irq; cs->bcs[1].hw.tiger.s_end = cs->bcs[0].hw.tiger.s_end; - + memset(cs->bcs[0].hw.tiger.send, 0xff, NETJET_DMA_TXSIZE * sizeof(unsigned int)); debugl1(cs, "tiger: send buf %p - %p", cs->bcs[0].hw.tiger.send, cs->bcs[0].hw.tiger.send + NETJET_DMA_TXSIZE - 1); outl(virt_to_bus(cs->bcs[0].hw.tiger.send), - cs->hw.njet.base + NETJET_DMA_READ_START); + cs->hw.njet.base + NETJET_DMA_READ_START); outl(virt_to_bus(cs->bcs[0].hw.tiger.s_irq), - cs->hw.njet.base + NETJET_DMA_READ_IRQ); + cs->hw.njet.base + NETJET_DMA_READ_IRQ); outl(virt_to_bus(cs->bcs[0].hw.tiger.s_end), - cs->hw.njet.base + NETJET_DMA_READ_END); + cs->hw.njet.base + NETJET_DMA_READ_END); if (!(cs->bcs[0].hw.tiger.rec = kmalloc(NETJET_DMA_RXSIZE * sizeof(unsigned int), - GFP_KERNEL | GFP_DMA))) { + GFP_KERNEL | GFP_DMA))) { printk(KERN_WARNING "HiSax: No memory for tiger.rec\n"); return; @@ -944,11 +944,11 @@ inittiger(struct IsdnCardState *cs) cs->bcs[1].hw.tiger.rec = cs->bcs[0].hw.tiger.rec; memset(cs->bcs[0].hw.tiger.rec, 0xff, NETJET_DMA_RXSIZE * sizeof(unsigned int)); outl(virt_to_bus(cs->bcs[0].hw.tiger.rec), - cs->hw.njet.base + NETJET_DMA_WRITE_START); - outl(virt_to_bus(cs->bcs[0].hw.tiger.rec + NETJET_DMA_RXSIZE/2 - 1), - cs->hw.njet.base + NETJET_DMA_WRITE_IRQ); + cs->hw.njet.base + NETJET_DMA_WRITE_START); + outl(virt_to_bus(cs->bcs[0].hw.tiger.rec + NETJET_DMA_RXSIZE / 2 - 1), + cs->hw.njet.base + NETJET_DMA_WRITE_IRQ); outl(virt_to_bus(cs->bcs[0].hw.tiger.rec + NETJET_DMA_RXSIZE - 1), - cs->hw.njet.base + NETJET_DMA_WRITE_END); + cs->hw.njet.base + NETJET_DMA_WRITE_END); debugl1(cs, "tiger: dmacfg %x/%x pulse=%d", inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR), inl(cs->hw.njet.base + NETJET_DMA_READ_ADR), @@ -979,4 +979,3 @@ release_io_netjet(struct IsdnCardState *cs) releasetiger(cs); release_region(cs->hw.njet.base, 256); } - |