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/*
* Copyright (c) 1996, 2000 Gary Jennejohn. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* 4. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software and/or documentation.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* $Id: i4b_hscx.h,v 1.2 2000/03/09 16:12:51 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon Dec 13 22:00:49 1999]
*
*---------------------------------------------------------------------------*/
#ifndef I4B_HSCX_H_
#define I4B_HSCX_H_
enum HSCX_VERSIONS {
HSCX_VA1, /* 82525 A1 */
HSCX_UNKN1, /* unknown 1 */
HSCX_VA2, /* 82525 A2 */
HSCX_UNKN3, /* unknown 3 */
HSCX_VA3, /* 82525 A3 */
HSCX_V21, /* 82525 2.1 */
HSCX_UNKN /* unknown version */
};
#define HSCX_CH_A 0 /* channel A */
#define HSCX_CH_B 1 /* channel B */
#define HSCX_FIFO_LEN 32 /* 32 bytes FIFO on chip */
/*
* definitions of registers and bits for the HSCX ISDN chip.
*/
typedef struct hscx_reg {
/* 32 byte deep FIFO always first */
unsigned char hscx_fifo [HSCX_FIFO_LEN];
/* most registers can be read/written, but have different names */
/* so define a union with read/write names to make that clear */
union {
struct {
unsigned char hscx_ista;
unsigned char hscx_star;
unsigned char hscx_mode;
unsigned char hscx_timr;
unsigned char hscx_exir;
unsigned char hscx_rbcl;
unsigned char dummy_26;
unsigned char hscx_rsta;
unsigned char hscx_ral1;
unsigned char hscx_rhcr;
unsigned char dummy_2a;
unsigned char dummy_2b;
unsigned char hscx_ccr2;
unsigned char hscx_rbch;
unsigned char hscx_vstr;
unsigned char hscx_ccr;
unsigned char dummy_30;
unsigned char dummy_31;
unsigned char dummy_32;
unsigned char dummy_33;
} hscx_r;
struct {
unsigned char hscx_mask;
unsigned char hscx_cmdr;
unsigned char hscx_mode;
unsigned char hscx_timr;
unsigned char hscx_xad1;
unsigned char hscx_xad2;
unsigned char hscx_rah1;
unsigned char hscx_rah2;
unsigned char hscx_ral1;
unsigned char hscx_ral2;
unsigned char hscx_xbcl;
unsigned char hscx_bgr;
unsigned char hscx_ccr2;
unsigned char hscx_xbch;
unsigned char hscx_rlcr;
unsigned char hscx_ccr1;
unsigned char hscx_tsax;
unsigned char hscx_tsar;
unsigned char hscx_xccr;
unsigned char hscx_rccr;
} hscx_w;
} hscx_rw;
} hscx_reg_t;
#define REG_OFFSET(type, field) (int)(&(((type *)0)->field))
/* HSCX read registers */
#define h_ista hscx_rw.hscx_r.hscx_ista
#define H_ISTA REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_ista)
#define h_star hscx_rw.hscx_r.hscx_star
#define H_STAR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_star)
#define h_mode hscx_rw.hscx_r.hscx_mode
#define H_MODE REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_mode)
#define h_timr hscx_rw.hscx_r.hscx_timr
#define H_TIMR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_timr)
#define h_exir hscx_rw.hscx_r.hscx_exir
#define H_EXIR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_exir)
#define h_rbcl hscx_rw.hscx_r.hscx_rbcl
#define H_RBCL REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_rbcl)
#define h_rsta hscx_rw.hscx_r.hscx_rsta
#define H_RSTA REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_rsta)
#define h_ral1 hscx_rw.hscx_r.hscx_ral1
#define H_RAL1 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_ral1)
#define h_rhcr hscx_rw.hscx_r.hscx_rhcr
#define H_RHCR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_rhcr)
#define h_ccr2 hscx_rw.hscx_r.hscx_ccr2
#define H_CCR2 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_ccr2)
#define h_rbch hscx_rw.hscx_r.hscx_rbch
#define H_RBCH REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_rbch)
#define h_vstr hscx_rw.hscx_r.hscx_vstr
#define H_VSTR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_vstr)
#define h_ccr hscx_rw.hscx_r.hscx_ccr
#define H_CCR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_r.hscx_ccr)
/* HSCX write registers - for hscx_mode, hscx_timr, hscx_ral1, hscx_ccr2 */
/* see read registers */
#define h_mask hscx_rw.hscx_w.hscx_mask
#define H_MASK REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_mask)
#define h_cmdr hscx_rw.hscx_w.hscx_cmdr
#define H_CMDR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_cmdr)
#define h_xad1 hscx_rw.hscx_w.hscx_xad1
#define H_XAD1 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_xad1)
#define h_xad2 hscx_rw.hscx_w.hscx_xad2
#define H_XAD2 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_xad2)
#define h_rah1 hscx_rw.hscx_w.hscx_rah1
#define H_RAH1 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_rah1)
#define h_rah2 hscx_rw.hscx_w.hscx_rah2
#define H_RAH2 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_rah2)
#define h_ral2 hscx_rw.hscx_w.hscx_ral2
#define H_RAL2 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_ral2)
#define h_xbcl hscx_rw.hscx_w.hscx_xbcl
#define H_XBCL REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_xbcl)
#define h_bgr hscx_rw.hscx_w.hscx_bgr
#define H_BGR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_bgr)
#define h_xbch hscx_rw.hscx_w.hscx_xbch
#define H_XBCH REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_xbch)
#define h_rlcr hscx_rw.hscx_w.hscx_rlcr
#define H_RLCR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_rlcr)
#define h_ccr1 hscx_rw.hscx_w.hscx_ccr1
#define H_CCR1 REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_ccr1)
#define h_tsax hscx_rw.hscx_w.hscx_tsax
#define H_TSAX REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_tsax)
#define h_tsar hscx_rw.hscx_w.hscx_tsar
#define H_TSAR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_tsar)
#define h_xccr hscx_rw.hscx_w.hscx_xccr
#define H_XCCR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_xccr)
#define h_rccr hscx_rw.hscx_w.hscx_rccr
#define H_RCCR REG_OFFSET(hscx_reg_t, hscx_rw.hscx_w.hscx_rccr)
#define HSCX_ISTA_RME 0x80
#define HSCX_ISTA_RPF 0x40
#define HSCX_ISTA_RSC 0x20
#define HSCX_ISTA_XPR 0x10
#define HSCX_ISTA_TIN 0x08
#define HSCX_ISTA_ICA 0x04
#define HSCX_ISTA_EXA 0x02
#define HSCX_ISTA_EXB 0x01
#define HSCX_MASK_RME 0x80
#define HSCX_MASK_RPF 0x40
#define HSCX_MASK_RSC 0x20
#define HSCX_MASK_XPR 0x10
#define HSCX_MASK_TIN 0x08
#define HSCX_MASK_ICA 0x04
#define HSCX_MASK_EXA 0x02
#define HSCX_MASK_EXB 0x01
#define HSCX_EXIR_XMR 0x80
#define HSCX_EXIR_XDU 0x40
#define HSCX_EXIR_PCE 0x20
#define HSCX_EXIR_RFO 0x10
#define HSCX_EXIR_CSC 0x08
#define HSCX_EXIR_RFS 0x04
/* the other bits are always 0 */
#define HSCX_STAR_XDOV 0x80
#define HSCX_STAR_XFW 0x40
#define HSCX_STAR_XRNR 0x20
#define HSCX_STAR_RRNR 0x10
#define HSCX_STAR_RLI 0x08
#define HSCX_STAR_CEC 0x04
#define HSCX_STAR_CTS 0x02
#define HSCX_STAR_WFA 0x01
#define HSCX_CMDR_RMC 0x80
#define HSCX_CMDR_RHR 0x40
/* also known as XREP in transparent mode */
#define HSCX_CMDR_RNR 0x20
#define HSCX_CMDR_STI 0x10
#define HSCX_CMDR_XTF 0x08
#define HSCX_CMDR_XIF 0x04
#define HSCX_CMDR_XME 0x02
#define HSCX_CMDR_XRES 0x01
#define HSCX_MODE_MDS1 0x80
#define HSCX_MODE_MDS0 0x40
#define HSCX_MODE_ADM 0x20
#define HSCX_MODE_TMD 0x10
#define HSCX_MODE_RAC 0x08
#define HSCX_MODE_RTS 0x04
#define HSCX_MODE_TRS 0x02
#define HSCX_MODE_TLP 0x01
#define HSCX_RSTA_VFR 0x80
#define HSCX_RSTA_RDO 0x40
#define HSCX_RSTA_CRC 0x20
#define HSCX_RSTA_RAB 0x10
#define HSCX_RSTA_HA1 0x08
#define HSCX_RSTA_HA0 0x04
#define HSCX_RSTA_CR 0x02
#define HSCX_RSTA_LA 0x01
#define HSCX_RSTA_MASK 0xf0 /* the interesting ones */
/* only used in DMA mode */
#define HSCX_XBCH_DMA 0x80
#define HSCX_XBCH_NRM 0x40
#define HSCX_XBCH_CAS 0x20
#define HSCX_XBCH_XC 0x10
/* the rest are bits 11 thru 8 of the byte count */
#define HSCX_RBCH_DMA 0x80
#define HSCX_RBCH_NRM 0x40
#define HSCX_RBCH_CAS 0x20
#define HSCX_RBCH_OV 0x10
/* the rest are bits 11 thru 8 of the byte count */
#define HSCX_VSTR_CD 0x80
/* bits 6 thru 4 are 0 */
/* bits 3 thru 0 are the version number */
#define HSCX_RLCR_RC 0x80
/* the rest of the bits are used to set the received length */
#define HSCX_CCR1_PU 0x80
/* bits 6 and 5 are SC1 SC0 */
#define HSCX_CCR1_ODS 0x10
#define HSCX_CCR1_ITF 0x08
#define HSCX_CCR1_CM2 0x04
#define HSCX_CCR1_CM1 0x02
#define HSCX_CCR1_CM0 0x01
/* for clock mode 5 */
#define HSCX_CCR2_SOC2 0x80
#define HSCX_CCR2_SOC1 0x40
#define HSCX_CCR2_XCS0 0x20
#define HSCX_CCR2_RCS0 0x10
#define HSCX_CCR2_TIO 0x08
#define HSCX_CCR2_CIE 0x04
#define HSCX_CCR2_RIE 0x02
#define HSCX_CCR2_DIV 0x01
/* bits 7 thru 2 are TSNX */
#define HSCX_TSAX_XCS2 0x02
#define HSCX_TSAX_XCS1 0x01
/* bits 7 thru 2 are TSNR */
#define HSCX_TSAR_RCS2 0x02
#define HSCX_TSAR_RCS1 0x01
#endif /* I4B_HSCX_H_ */
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