From cd1ccce1650f9ff305d85568f1c7b5bbc4cc3650 Mon Sep 17 00:00:00 2001 From: Dulshani Gunawardhana Date: Wed, 22 May 2013 23:13:05 +0530 Subject: [PATCH] Staging/cxt1e1/comet.c:Modifying comment style and intentation This patch modifies the commenting style by placing comments above the line of code commented upone. Signed-off-by: Dulshani Gunawardhana Signed-off-by: Greg Kroah-Hartman --- drivers/staging/cxt1e1/comet.c | 645 +++++++++++++++++---------------- 1 file changed, 333 insertions(+), 312 deletions(-) diff --git a/drivers/staging/cxt1e1/comet.c b/drivers/staging/cxt1e1/comet.c index 68ac2a84488d..0af71cdb571d 100644 --- a/drivers/staging/cxt1e1/comet.c +++ b/drivers/staging/cxt1e1/comet.c @@ -42,132 +42,126 @@ STATIC void WrtXmtWaveformTbl(ci_t * ci, comet_t * comet, u_int8_t table[COMET_N void *TWV_table[12] = { TWVLongHaul0DB, TWVLongHaul7_5DB, TWVLongHaul15DB, TWVLongHaul22_5DB, - TWVShortHaul0, TWVShortHaul1, TWVShortHaul2, TWVShortHaul3, TWVShortHaul4, - TWVShortHaul5, - TWV_E1_75Ohm, /** PORT POINT - 75 Ohm not supported **/ + TWVShortHaul0, TWVShortHaul1, TWVShortHaul2, TWVShortHaul3, + TWVShortHaul4, TWVShortHaul5, + /** PORT POINT - 75 Ohm not supported **/ + TWV_E1_75Ohm, TWV_E1_120Ohm }; static int -lbo_tbl_lkup(int t1, int lbo) -{ - if ((lbo < CFG_LBO_LH0) || (lbo > CFG_LBO_E120)) /* error switches to - * default */ - { +lbo_tbl_lkup(int t1, int lbo) { + /* error switches to default */ + if ((lbo < CFG_LBO_LH0) || (lbo > CFG_LBO_E120)) { if (t1) - lbo = CFG_LBO_LH0; /* default T1 waveform table */ + /* default T1 waveform table */ + lbo = CFG_LBO_LH0; else - lbo = CFG_LBO_E120; /* default E1 waveform table */ + /* default E1 waveform table */ + lbo = CFG_LBO_E120; } - return (lbo - 1); /* make index ZERO relative */ + /* make index ZERO relative */ + return (lbo - 1); } - -void -init_comet(void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster, - u_int8_t moreParams) +void init_comet(void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster, + u_int8_t moreParams) { u_int8_t isT1mode; - u_int8_t tix = CFG_LBO_LH0; /* T1 default */ - - isT1mode = IS_FRAME_ANY_T1 (port_mode); - /* T1 or E1 */ - if (isT1mode) - { - pci_write_32 ((u_int32_t *) &comet->gbl_cfg, 0xa0); /* Select T1 Mode & PIO - * output enabled */ - tix = lbo_tbl_lkup (isT1mode, CFG_LBO_LH0); /* default T1 waveform - * table */ - } else - { - pci_write_32((u_int32_t *) &comet->gbl_cfg, 0x81); /* Select E1 Mode & PIO - * output enabled */ - tix = lbo_tbl_lkup (isT1mode, CFG_LBO_E120); /* default E1 waveform - * table */ + /* T1 default */ + u_int8_t tix = CFG_LBO_LH0; + isT1mode = IS_FRAME_ANY_T1(port_mode); + /* T1 or E1 */ + if (isT1mode) { + /* Select T1 Mode & PIO output enabled */ + pci_write_32((u_int32_t *) &comet->gbl_cfg, 0xa0); + /* default T1 waveform table */ + tix = lbo_tbl_lkup(isT1mode, CFG_LBO_LH0); + } else { + /* Select E1 Mode & PIO output enabled */ + pci_write_32((u_int32_t *) &comet->gbl_cfg, 0x81); + /* default E1 waveform table */ + tix = lbo_tbl_lkup(isT1mode, CFG_LBO_E120); } if (moreParams & CFG_LBO_MASK) - tix = lbo_tbl_lkup (isT1mode, moreParams & CFG_LBO_MASK); /* dial-in requested - * waveform table */ - - /* Tx line Intfc cfg ** Set for analog & no special patterns */ - pci_write_32((u_int32_t *) &comet->tx_line_cfg, 0x00); /* Transmit Line - * Interface Config. */ - - /* master test ** Ignore Test settings for now */ - pci_write_32((u_int32_t *) &comet->mtest, 0x00); /* making sure it's - * Default value */ - - /* Turn on Center (CENT) and everything else off */ - pci_write_32((u_int32_t *) &comet->rjat_cfg, 0x10); /* RJAT cfg */ - /* Set Jitter Attenuation to recommend T1 values */ - if (isT1mode) - { - pci_write_32((u_int32_t *) &comet->rjat_n1clk, 0x2F); /* RJAT Divider N1 - * Control */ - pci_write_32((u_int32_t *) &comet->rjat_n2clk, 0x2F); /* RJAT Divider N2 - * Control */ - } else - { - pci_write_32((u_int32_t *) &comet->rjat_n1clk, 0xFF); /* RJAT Divider N1 - * Control */ - pci_write_32((u_int32_t *) &comet->rjat_n2clk, 0xFF); /* RJAT Divider N2 - * Control */ + /* dial-in requested waveform table */ + tix = lbo_tbl_lkup(isT1mode, moreParams & CFG_LBO_MASK); + /* Tx line Intfc cfg Set for analog & no special patterns */ + /* Transmit Line Interface Config. */ + pci_write_32((u_int32_t *) &comet->tx_line_cfg, 0x00); + /* master test Ignore Test settings for now */ + /* making sure it's Default value */ + pci_write_32((u_int32_t *) &comet->mtest, 0x00); + /* Turn on Center (CENT) and everything else off */ + /* RJAT cfg */ + pci_write_32((u_int32_t *) &comet->rjat_cfg, 0x10); + /* Set Jitter Attenuation to recommend T1 values */ + if (isT1mode) { + /* RJAT Divider N1 Control */ + pci_write_32((u_int32_t *) &comet->rjat_n1clk, 0x2F); + /* RJAT Divider N2 Control */ + pci_write_32((u_int32_t *) &comet->rjat_n2clk, 0x2F); + } else { + /* RJAT Divider N1 Control */ + pci_write_32((u_int32_t *) &comet->rjat_n1clk, 0xFF); + /* RJAT Divider N2 Control */ + pci_write_32((u_int32_t *) &comet->rjat_n2clk, 0xFF); } - /* Turn on Center (CENT) and everything else off */ - pci_write_32((u_int32_t *) &comet->tjat_cfg, 0x10); /* TJAT Config. */ + /* Turn on Center (CENT) and everything else off */ + /* TJAT Config. */ + pci_write_32((u_int32_t *) &comet->tjat_cfg, 0x10); - /* Do not bypass jitter attenuation and bypass elastic store */ - pci_write_32((u_int32_t *) &comet->rx_opt, 0x00); /* rx opts */ + /* Do not bypass jitter attenuation and bypass elastic store */ + /* rx opts */ + pci_write_32((u_int32_t *) &comet->rx_opt, 0x00); - /* TJAT ctrl & TJAT divider ctrl */ - /* Set Jitter Attenuation to recommended T1 values */ - if (isT1mode) - { - pci_write_32((u_int32_t *) &comet->tjat_n1clk, 0x2F); /* TJAT Divider N1 - * Control */ - pci_write_32((u_int32_t *) &comet->tjat_n2clk, 0x2F); /* TJAT Divider N2 - * Control */ - } else - { - pci_write_32((u_int32_t *) &comet->tjat_n1clk, 0xFF); /* TJAT Divider N1 - * Control */ - pci_write_32((u_int32_t *) &comet->tjat_n2clk, 0xFF); /* TJAT Divider N2 - * Control */ + /* TJAT ctrl & TJAT divider ctrl */ + /* Set Jitter Attenuation to recommended T1 values */ + if (isT1mode) { + /* TJAT Divider N1 Control */ + pci_write_32((u_int32_t *) &comet->tjat_n1clk, 0x2F); + /* TJAT Divider N2 Control */ + pci_write_32((u_int32_t *) &comet->tjat_n2clk, 0x2F); + } else { + /* TJAT Divider N1 Control */ + pci_write_32((u_int32_t *) &comet->tjat_n1clk, 0xFF); + /* TJAT Divider N2 Control */ + pci_write_32((u_int32_t *) &comet->tjat_n2clk, 0xFF); } - /* 1c: rx ELST cfg 20: tx ELST cfg 28&38: rx&tx data link ctrl */ - if (isT1mode) - { /* Select 193-bit frame format */ + /* 1c: rx ELST cfg 20: tx ELST cfg 28&38: rx&tx data link ctrl */ + + /* Select 193-bit frame format */ + if (isT1mode) { pci_write_32((u_int32_t *) &comet->rx_elst_cfg, 0x00); pci_write_32((u_int32_t *) &comet->tx_elst_cfg, 0x00); - } else - { /* Select 256-bit frame format */ + } else { + /* Select 256-bit frame format */ pci_write_32((u_int32_t *) &comet->rx_elst_cfg, 0x03); pci_write_32((u_int32_t *) &comet->tx_elst_cfg, 0x03); - pci_write_32((u_int32_t *) &comet->rxce1_ctl, 0x00); /* disable T1 data link - * receive */ - pci_write_32((u_int32_t *) &comet->txci1_ctl, 0x00); /* disable T1 data link - * transmit */ + /* disable T1 data link receive */ + pci_write_32((u_int32_t *) &comet->rxce1_ctl, 0x00); + /* disable T1 data link transmit */ + pci_write_32((u_int32_t *) &comet->txci1_ctl, 0x00); } /* the following is a default value */ /* Enable 8 out of 10 validation */ - pci_write_32((u_int32_t *) &comet->t1_rboc_ena, 0x00); /* t1RBOC - * enable(BOC:BitOriented - * Code) */ + /* t1RBOC enable(BOC:BitOriented Code) */ + pci_write_32((u_int32_t *) &comet->t1_rboc_ena, 0x00); if (isT1mode) { - /* IBCD cfg: aka Inband Code Detection ** loopback code length set to */ - pci_write_32((u_int32_t *) &comet->ibcd_cfg, 0x04); /* 6 bit down, 5 bit up - * (assert) */ - pci_write_32((u_int32_t *) &comet->ibcd_act, 0x08); /* line loopback - * activate pattern */ - pci_write_32((u_int32_t *) &comet->ibcd_deact, 0x24); /* deactivate code - * pattern (i.e.001) */ + /* IBCD cfg: aka Inband Code Detection ** loopback code length set to */ + /* 6 bit down, 5 bit up (assert) */ + pci_write_32((u_int32_t *) &comet->ibcd_cfg, 0x04); + /* line loopback activate pattern */ + pci_write_32((u_int32_t *) &comet->ibcd_act, 0x08); + /* deactivate code pattern (i.e.001) */ + pci_write_32((u_int32_t *) &comet->ibcd_deact, 0x24); } /* 10: CDRC cfg 28&38: rx&tx data link 1 ctrl 48: t1 frmr cfg */ /* 50: SIGX cfg, COSS (change of signaling state) 54: XBAS cfg */ @@ -176,94 +170,118 @@ init_comet(void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster, switch (port_mode) { - case CFG_FRAME_SF: /* 1 - T1 B8ZS */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); - pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0); - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0x20); /* 5:B8ZS */ - pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0); - break; - case CFG_FRAME_ESF: /* 2 - T1 B8ZS */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); - pci_write_32((u_int32_t *) &comet->rxce1_ctl, 0x20); /* Bit 5: T1 DataLink - * Enable */ - pci_write_32((u_int32_t *) &comet->txci1_ctl, 0x20); /* 5: T1 DataLink Enable */ - pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0x30); /* 4:ESF 5:ESFFA */ - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0x04); /* 2:ESF */ - pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0x30); /* 4:ESF 5:B8ZS */ - pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0x10); /* 4:ESF */ - break; - case CFG_FRAME_E1PLAIN: /* 3 - HDB3 */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x40); - break; - case CFG_FRAME_E1CAS: /* 4 - HDB3 */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x60); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0); - break; - case CFG_FRAME_E1CRC: /* 5 - HDB3 */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x10); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0xc2); - break; - case CFG_FRAME_E1CRC_CAS: /* 6 - HDB3 */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x70); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x82); - break; - case CFG_FRAME_SF_AMI: /* 7 - T1 AMI */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); /* Enable AMI Line - * Decoding */ - pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0); - pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0); - pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0); - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - break; - case CFG_FRAME_ESF_AMI: /* 8 - T1 AMI */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); /* Enable AMI Line - * Decoding */ - pci_write_32((u_int32_t *) &comet->rxce1_ctl, 0x20); /* 5: T1 DataLink Enable */ - pci_write_32((u_int32_t *) &comet->txci1_ctl, 0x20); /* 5: T1 DataLink Enable */ - pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0x30); /* Bit 4:ESF 5:ESFFA */ - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0x04); /* 2:ESF */ - pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0x10); /* 4:ESF */ - pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0x10); /* 4:ESF */ - break; - case CFG_FRAME_E1PLAIN_AMI: /* 9 - AMI */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); /* Enable AMI Line - * Decoding */ - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x80); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x40); - break; - case CFG_FRAME_E1CAS_AMI: /* 10 - AMI */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); /* Enable AMI Line - * Decoding */ - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0xe0); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0); - break; - case CFG_FRAME_E1CRC_AMI: /* 11 - AMI */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); /* Enable AMI Line - * Decoding */ - pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x90); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0xc2); - break; - case CFG_FRAME_E1CRC_CAS_AMI: /* 12 - AMI */ - pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); /* Enable AMI Line - * Decoding */ + /* 1 - T1 B8ZS */ + case CFG_FRAME_SF: + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); + pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0); pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); - pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0xf0); - pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x82); - break; - } /* end switch */ + /* 5:B8ZS */ + pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0x20); + pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0); + break; + /* 2 - T1 B8ZS */ + case CFG_FRAME_ESF: + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); + /* Bit 5: T1 DataLink Enable */ + pci_write_32((u_int32_t *) &comet->rxce1_ctl, 0x20); + /* 5: T1 DataLink Enable */ + pci_write_32((u_int32_t *) &comet->txci1_ctl, 0x20); + /* 4:ESF 5:ESFFA */ + pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0x30); + /* 2:ESF */ + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0x04); + /* 4:ESF 5:B8ZS */ + pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0x30); + /* 4:ESF */ + pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0x10); + break; + /* 3 - HDB3 */ + case CFG_FRAME_E1PLAIN: + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x40); + break; + /* 4 - HDB3 */ + case CFG_FRAME_E1CAS: + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x60); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0); + break; + /* 5 - HDB3 */ + case CFG_FRAME_E1CRC: + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x10); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0xc2); + break; + /* 6 - HDB3 */ + case CFG_FRAME_E1CRC_CAS: + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x70); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x82); + break; + /* 7 - T1 AMI */ + case CFG_FRAME_SF_AMI: + /* Enable AMI Line Decoding */ + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); + pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0); + pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0); + pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + break; + /* 8 - T1 AMI */ + case CFG_FRAME_ESF_AMI: + /* Enable AMI Line Decoding */ + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); + /* 5: T1 DataLink Enable */ + pci_write_32((u_int32_t *) &comet->rxce1_ctl, 0x20); + /* 5: T1 DataLink Enable */ + pci_write_32((u_int32_t *) &comet->txci1_ctl, 0x20); + /* Bit 4:ESF 5:ESFFA */ + pci_write_32((u_int32_t *) &comet->t1_frmr_cfg, 0x30); + /* 2:ESF */ + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0x04); + /* 4:ESF */ + pci_write_32((u_int32_t *) &comet->t1_xbas_cfg, 0x10); + /* 4:ESF */ + pci_write_32((u_int32_t *) &comet->t1_almi_cfg, 0x10); + break; + /* 9 - AMI */ + case CFG_FRAME_E1PLAIN_AMI: + /* Enable AMI Line Decoding */ + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x80); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x40); + break; + /* 10 - AMI */ + case CFG_FRAME_E1CAS_AMI: + /* Enable AMI Line Decoding */ + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0xe0); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0); + break; + /* 11 - AMI */ + case CFG_FRAME_E1CRC_AMI: + /* Enable AMI Line Decoding */ + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0x90); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0xc2); + break; + /* 12 - AMI */ + case CFG_FRAME_E1CRC_CAS_AMI: + /* Enable AMI Line Decoding */ + pci_write_32((u_int32_t *) &comet->cdrc_cfg, 0x80); + pci_write_32((u_int32_t *) &comet->sigx_cfg, 0); + pci_write_32((u_int32_t *) &comet->e1_tran_cfg, 0xf0); + pci_write_32((u_int32_t *) &comet->e1_frmr_aopts, 0x82); + break; + } /* end switch */ /*** * Set Full Frame mode (NXDSO[1] = 0, NXDSO[0] = 0) @@ -278,84 +296,92 @@ init_comet(void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster, /* 0x30: "BRIF cfg"; 0x20 is 'CMODE', 0x03 is (bit) rate */ /* note "rate bits can only be set once after reset" */ if (clockmaster) - { /* CMODE == clockMode, 0=clock master (so - * all 3 others should be slave) */ - if (isT1mode) /* rate = 1.544 Mb/s */ - pci_write_32((u_int32_t *) &comet->brif_cfg, 0x00); /* Comet 0 Master - * Mode(CMODE=0) */ - else /* rate = 2.048 Mb/s */ - pci_write_32((u_int32_t *) &comet->brif_cfg, 0x01); /* Comet 0 Master - * Mode(CMODE=0) */ - - /* 31: BRIF frame pulse cfg 06: tx timing options */ - pci_write_32((u_int32_t *) &comet->brif_fpcfg, 0x00); /* Master Mode - * i.e.FPMODE=0 (@0x20) */ - if ((moreParams & CFG_CLK_PORT_MASK) == CFG_CLK_PORT_INTERNAL) { + /* CMODE == clockMode, 0=clock master (so all 3 others should be slave) */ + /* rate = 1.544 Mb/s */ + if (isT1mode) + /* Comet 0 Master Mode(CMODE=0) */ + pci_write_32((u_int32_t *) &comet->brif_cfg, 0x00); + /* rate = 2.048 Mb/s */ + else + /* Comet 0 Master Mode(CMODE=0) */ + pci_write_32((u_int32_t *) &comet->brif_cfg, 0x01); + + /* 31: BRIF frame pulse cfg 06: tx timing options */ + + /* Master Mode i.e.FPMODE=0 (@0x20) */ + pci_write_32((u_int32_t *) &comet->brif_fpcfg, 0x00); + if ((moreParams & CFG_CLK_PORT_MASK) == CFG_CLK_PORT_INTERNAL) + { if (cxt1e1_log_level >= LOG_SBEBUG12) pr_info(">> %s: clockmaster internal clock\n", __func__); - pci_write_32((u_int32_t *) &comet->tx_time, 0x0d); /* internal oscillator */ - } else /* external clock source */ - { + /* internal oscillator */ + pci_write_32((u_int32_t *) &comet->tx_time, 0x0d); + } else { + /* external clock source */ if (cxt1e1_log_level >= LOG_SBEBUG12) pr_info(">> %s: clockmaster external clock\n", __func__); - pci_write_32((u_int32_t *) &comet->tx_time, 0x09); /* loop timing - * (external) */ + /* loop timing(external) */ + pci_write_32((u_int32_t *) &comet->tx_time, 0x09); } - } else /* slave */ - { + } else { + /* slave */ if (isT1mode) - pci_write_32((u_int32_t *) &comet->brif_cfg, 0x20); /* Slave Mode(CMODE=1, - * see above) */ + /* Slave Mode(CMODE=1, see above) */ + pci_write_32((u_int32_t *) &comet->brif_cfg, 0x20); else - pci_write_32((u_int32_t *) &comet->brif_cfg, 0x21); /* Slave Mode (CMODE=1) */ - pci_write_32((u_int32_t *) &comet->brif_fpcfg, 0x20); /* Slave Mode i.e. - * FPMODE=1 (@0x20) */ - if (cxt1e1_log_level >= LOG_SBEBUG12) - pr_info(">> %s: clockslave internal clock\n", __func__); - pci_write_32((u_int32_t *) &comet->tx_time, 0x0d); /* oscillator timing */ + /* Slave Mode(CMODE=1)*/ + pci_write_32((u_int32_t *) &comet->brif_cfg, 0x21); + /* Slave Mode i.e. FPMODE=1 (@0x20) */ + pci_write_32((u_int32_t *) &comet->brif_fpcfg, 0x20); + if (cxt1e1_log_level >= LOG_SBEBUG12) + pr_info(">> %s: clockslave internal clock\n", __func__); + /* oscillator timing */ + pci_write_32((u_int32_t *) &comet->tx_time, 0x0d); } - /* 32: BRIF parity F-bit cfg */ - /* Totem-pole operation */ - pci_write_32((u_int32_t *) &comet->brif_pfcfg, 0x01); /* Receive Backplane - * Parity/F-bit */ + /* 32: BRIF parity F-bit cfg */ + /* Totem-pole operation */ + /* Receive Backplane Parity/F-bit */ + pci_write_32((u_int32_t *) &comet->brif_pfcfg, 0x01); /* dc: RLPS equalizer V ref */ /* Configuration */ if (isT1mode) - pci_write_32((u_int32_t *) &comet->rlps_eqvr, 0x2c); /* RLPS Equalizer - * Voltage */ + /* RLPS Equalizer Voltage */ + pci_write_32((u_int32_t *) &comet->rlps_eqvr, 0x2c); else - pci_write_32((u_int32_t *) &comet->rlps_eqvr, 0x34); /* RLPS Equalizer - * Voltage */ + /* RLPS Equalizer Voltage */ + pci_write_32((u_int32_t *) &comet->rlps_eqvr, 0x34); /* Reserved bit set and SQUELCH enabled */ /* f8: RLPS cfg & status f9: RLPS ALOS detect/clear threshold */ - pci_write_32((u_int32_t *) &comet->rlps_cfgsts, 0x11); /* RLPS Configuration - * Status */ + /* RLPS Configuration Status */ + pci_write_32((u_int32_t *) &comet->rlps_cfgsts, 0x11); if (isT1mode) - pci_write_32((u_int32_t *) &comet->rlps_alos_thresh, 0x55); /* ? */ + /* ? */ + pci_write_32((u_int32_t *) &comet->rlps_alos_thresh, 0x55); else - pci_write_32((u_int32_t *) &comet->rlps_alos_thresh, 0x22); /* ? */ + /* ? */ + pci_write_32((u_int32_t *) &comet->rlps_alos_thresh, 0x22); /* Set Full Frame mode (NXDSO[1] = 0, NXDSO[0] = 0) */ /* CMODE=0: Clock slave mode with BTCLK as an input, DE=1: Use rising */ /* edge of BTCLK for data, FE=1: Use rising edge of BTCLK for frame, */ /* CMS=0: Use backplane freq, RATE[1:0]=0,0: T1 */ -/*** Transmit side is always an Input, Slave Clock*/ - /* 40: BTIF cfg 41: BTIF frame pulse cfg */ + /*** Transmit side is always an Input, Slave Clock*/ + /* 40: BTIF cfg 41: loop timing(external) */ + /*BTIF frame pulse cfg */ if (isT1mode) - pci_write_32((u_int32_t *) &comet->btif_cfg, 0x38); /* BTIF Configuration - * Reg. */ + /* BTIF Configuration Reg. */ + pci_write_32((u_int32_t *) &comet->btif_cfg, 0x38); else - pci_write_32((u_int32_t *) &comet->btif_cfg, 0x39); /* BTIF Configuration - * Reg. */ - - pci_write_32((u_int32_t *) &comet->btif_fpcfg, 0x01); /* BTIF Frame Pulse - * Config. */ + /* BTIF Configuration Reg. */ + pci_write_32((u_int32_t *) &comet->btif_cfg, 0x39); + /* BTIF Frame Pulse Config. */ + pci_write_32((u_int32_t *) &comet->btif_fpcfg, 0x01); /* 0a: master diag 06: tx timing options */ /* if set Comet to loop back */ @@ -367,12 +393,12 @@ init_comet(void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster, /* Store is enabled. */ WrtXmtWaveformTbl(ci, comet, TWV_table[tix]); - if (isT1mode) - WrtRcvEqualizerTbl((ci_t *) ci, comet, &T1_Equalizer[0]); - else - WrtRcvEqualizerTbl((ci_t *) ci, comet, &E1_Equalizer[0]); - SetPwrLevel (comet); - } + if (isT1mode) + WrtRcvEqualizerTbl((ci_t *) ci, comet, &T1_Equalizer[0]); + else + WrtRcvEqualizerTbl((ci_t *) ci, comet, &E1_Equalizer[0]); + SetPwrLevel(comet); +} /* ** Name: WrtXmtWaveform @@ -384,12 +410,12 @@ init_comet(void *ci, comet_t * comet, u_int32_t port_mode, int clockmaster, STATIC void WrtXmtWaveform(ci_t * ci, comet_t * comet, u_int32_t sample, u_int32_t unit, u_int8_t data) { - u_int8_t WaveformAddr; + WaveformAddr; WaveformAddr = (sample << 3) + (unit & 7); pci_write_32((u_int32_t *) &comet->xlpg_pwave_addr, WaveformAddr); - pci_flush_write (ci); /* for write order preservation when - * Optimizing driver */ + /* for write order preservation when Optimizing driver */ + pci_flush_write(ci); pci_write_32((u_int32_t *) &comet->xlpg_pwave_data, 0x7F & data); } @@ -401,15 +427,15 @@ WrtXmtWaveform(ci_t * ci, comet_t * comet, u_int32_t sample, u_int32_t unit, u_i */ STATIC void WrtXmtWaveformTbl(ci_t * ci, comet_t * comet, - u_int8_t table[COMET_NUM_SAMPLES][COMET_NUM_UNITS]) + u_int8_t table[COMET_NUM_SAMPLES][COMET_NUM_UNITS]) { u_int32_t sample, unit; for (sample = 0; sample < COMET_NUM_SAMPLES; sample++) - { - for (unit = 0; unit < COMET_NUM_UNITS; unit++) - WrtXmtWaveform(ci, comet, sample, unit, table[sample][unit]); - } + { + for (unit = 0; unit < COMET_NUM_UNITS; unit++) + WrtXmtWaveform(ci, comet, sample, unit, table[sample][unit]); + } /* Enable transmitter and set output amplitude */ pci_write_32((u_int32_t *) &comet->xlpg_cfg, table[COMET_NUM_SAMPLES][0]); @@ -432,55 +458,55 @@ WrtRcvEqualizerTbl(ci_t * ci, comet_t * comet, u_int32_t *table) u_int32_t ramaddr; volatile u_int32_t value; - for (ramaddr = 0; ramaddr < 256; ramaddr++) - { - /*** the following lines are per Errata 7, 2.5 ***/ - { - pci_write_32((u_int32_t *) &comet->rlps_eq_rwsel, 0x80); /* Set up for a read - * operation */ - pci_flush_write(ci); /* for write order preservation when - * Optimizing driver */ - pci_write_32((u_int32_t *) &comet->rlps_eq_iaddr, (u_int8_t) ramaddr); /* write the addr, - * initiate a read */ - pci_flush_write (ci); /* for write order preservation when - * Optimizing driver */ - /* - * wait 3 line rate clock cycles to ensure address bits are - * captured by T1/E1 clock - */ - OS_uwait(4, "wret"); /* 683ns * 3 = 1366 ns, approx 2us (but - * use 4us) */ + for (ramaddr = 0; ramaddr < 256; ramaddr++) { + /*** the following lines are per Errata 7, 2.5 ***/ + { + /* Set up for a read operation */ + pci_write_32((u_int32_t *) &comet->rlps_eq_rwsel, 0x80); + /* for write order preservation when Optimizing driver */ + pci_flush_write(ci); + /* write the addr, initiate a read */ + pci_write_32((u_int32_t *) &comet->rlps_eq_iaddr, (u_int8_t) ramaddr); + /* for write order preservation when Optimizing driver */ + pci_flush_write(ci); + /* + * wait 3 line rate clock cycles to ensure address bits are + * captured by T1/E1 clock + */ + + /* 683ns * 3 = 1366 ns, approx 2us (but use 4us) */ + OS_uwait(4, "wret"); } value = *table++; - pci_write_32((u_int32_t *) &comet->rlps_idata3, (u_int8_t) (value >> 24)); - pci_write_32((u_int32_t *) &comet->rlps_idata2, (u_int8_t) (value >> 16)); - pci_write_32((u_int32_t *) &comet->rlps_idata1, (u_int8_t) (value >> 8)); - pci_write_32((u_int32_t *) &comet->rlps_idata0, (u_int8_t) value); - pci_flush_write(ci); /* for write order preservation when - * Optimizing driver */ + pci_write_32((u_int32_t *) &comet->rlps_idata3, (u_int8_t) (value >> 24)); + pci_write_32((u_int32_t *) &comet->rlps_idata2, (u_int8_t) (value >> 16)); + pci_write_32((u_int32_t *) &comet->rlps_idata1, (u_int8_t) (value >> 8)); + pci_write_32((u_int32_t *) &comet->rlps_idata0, (u_int8_t) value); + /* for write order preservation when Optimizing driver */ + pci_flush_write(ci); - /* Storing RAM address, causes RAM to be updated */ + /* Storing RAM address, causes RAM to be updated */ - pci_write_32((u_int32_t *) &comet->rlps_eq_rwsel, 0); /* Set up for a write - * operation */ - pci_flush_write(ci); /* for write order preservation when - * Optimizing driver */ - pci_write_32((u_int32_t *) &comet->rlps_eq_iaddr, (u_int8_t) ramaddr); /* write the addr, - * initiate a read */ - pci_flush_write(ci); /* for write order preservation when - * Optimizing driver */ - /* - * wait 3 line rate clock cycles to ensure address bits are captured - * by T1/E1 clock - */ - OS_uwait(4, "wret"); /* 683ns * 3 = 1366 ns, approx 2us (but - * use 4us) */ + /* Set up for a write operation */ + pci_write_32((u_int32_t *) &comet->rlps_eq_rwsel, 0); + /* for write order preservation when optimizing driver */ + pci_flush_write(ci); + /* write the addr, initiate a read */ + pci_write_32((u_int32_t *) &comet->rlps_eq_iaddr, (u_int8_t) ramaddr); + /* for write order preservation when optimizing driver */ + pci_flush_write(ci); + + /* + * wait 3 line rate clock cycles to ensure address bits are captured + * by T1/E1 clock + */ + /* 683ns * 3 = 1366 ns, approx 2us (but use 4us) */ + OS_uwait(4, "wret") } - pci_write_32((u_int32_t *) &comet->rlps_eq_cfg, 0xCB); /* Enable Equalizer & - * set it to use 256 - * periods */ + /* Enable Equalizer & set it to use 256 periods */ + pci_write_32((u_int32_t *) &comet->rlps_eq_cfg, 0xCB); } @@ -507,22 +533,20 @@ SetPwrLevel(comet_t * comet) ** Repeat these steps for register F5 ** Write 0x01 to register F6 */ - pci_write_32((u_int32_t *) &comet->xlpg_fdata_sel, 0x00); /* XLPG Fuse Data Select */ - - pci_write_32((u_int32_t *) &comet->xlpg_atest_pctl, 0x01); /* XLPG Analog Test - * Positive control */ + /* XLPG Fuse Data Select */ + pci_write_32((u_int32_t *) &comet->xlpg_fdata_sel, 0x00); + /* XLPG Analog Test Positive control */ + pci_write_32((u_int32_t *) &comet->xlpg_atest_pctl, 0x01); pci_write_32((u_int32_t *) &comet->xlpg_atest_pctl, 0x01); - temp = pci_read_32((u_int32_t *) &comet->xlpg_atest_pctl) & 0xfe; pci_write_32((u_int32_t *) &comet->xlpg_atest_pctl, temp); - - pci_write_32((u_int32_t *) &comet->xlpg_atest_nctl, 0x01); /* XLPG Analog Test - * Negative control */ pci_write_32((u_int32_t *) &comet->xlpg_atest_nctl, 0x01); - + pci_write_32((u_int32_t *) &comet->xlpg_atest_nctl, 0x01); + /* XLPG Analog Test Negative control */ temp = pci_read_32((u_int32_t *) &comet->xlpg_atest_nctl) & 0xfe; pci_write_32((u_int32_t *) &comet->xlpg_atest_nctl, temp); - pci_write_32((u_int32_t *) &comet->xlpg_fdata_sel, 0x01); /* XLPG */ + /* XLPG */ + pci_write_32((u_int32_t *) &comet->xlpg_fdata_sel, 0x01); } @@ -541,26 +565,23 @@ SetCometOps(comet_t * comet) if (comet == mConfig.C4Func1Base + (COMET0_OFFSET >> 2)) { - rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_cfg); /* read the BRIF - * Configuration */ + /* read the BRIF Configuration */ + rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_cfg); rd_value &= ~0x20; pci_write_32((u_int32_t *) &comet->brif_cfg, (u_int32_t) rd_value); - - rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_fpcfg); /* read the BRIF Frame - * Pulse Configuration */ + /* read the BRIF Frame Pulse Configuration */ + rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_fpcfg); rd_value &= ~0x20; pci_write_32((u_int32_t *) &comet->brif_fpcfg, (u_int8_t) rd_value); - } else - { - rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_cfg); /* read the BRIF - * Configuration */ - rd_value |= 0x20; - pci_write_32((u_int32_t *) &comet->brif_cfg, (u_int32_t) rd_value); - - rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_fpcfg); /* read the BRIF Frame - * Pulse Configuration */ - rd_value |= 0x20; - pci_write_32((u_int32_t *) &comet->brif_fpcfg, (u_int8_t) rd_value); + } else { + /* read the BRIF Configuration */ + rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_cfg); + rd_value |= 0x20; + pci_write_32((u_int32_t *) &comet->brif_cfg, (u_int32_t) rd_value); + /* read the BRIF Frame Pulse Configuration */ + rd_value = (u_int8_t) pci_read_32((u_int32_t *) &comet->brif_fpcfg); + rd_value |= 0x20; + pci_write_32(u_int32_t *) & comet->brif_fpcfg, (u_int8_t) rd_value); } } #endif