2 * Copyright (c) 1998, 2000 German Tischler. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 * 4. Altered versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software and/or documentation.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 *---------------------------------------------------------------------------
35 * iobase + 0 : reset on (0x03)
36 * iobase + 1 : reset off (0x0)
37 * iobase + 2 : isac read/write
38 * iobase + 3 : hscx read/write ( offset 0-0x3f hscx0 ,
39 * offset 0x40-0x7f hscx1 )
40 * iobase + 4 : offset for indirect adressing
42 *---------------------------------------------------------------------------
44 * isic - I4B Siemens ISDN Chipset Driver for SWS cards
45 * ====================================================
47 * $FreeBSD: src/sys/i4b/layer1/isic/i4b_sws.c,v 1.5.2.1 2001/08/10 14:08:38 obrien Exp $
49 * last edit-date: [Wed Jan 24 08:58:57 2001]
51 *---------------------------------------------------------------------------*/
56 #if defined (SEDLBAUER) && NISIC > 0
58 #define SWS_RESON 0 /* reset on */
59 #define SWS_RESOFF 1 /* reset off */
60 #define SWS_ISAC 2 /* ISAC */
61 #define SWS_HSCX0 3 /* HSCX0 */
62 #define SWS_RW 4 /* indirect access register */
63 #define SWS_HSCX1 5 /* this is for fakeing that we mean hscx1, though */
64 /* access is done through hscx0 */
66 #define SWS_REGS 8 /* we use an area of 8 bytes for io */
68 #include <sys/param.h>
69 #include <sys/systm.h>
70 #include <sys/socket.h>
73 #include <machine/i4b_ioctl.h>
74 #include <machine/i4b_trace.h>
75 #include <i4b/layer1/i4b_l1.h>
76 #include <i4b/layer1/isic/i4b_isic.h>
77 #include <i4b/layer1/isic/i4b_hscx.h>
79 /*---------------------------------------------------------------------------*
80 * SWS P&P ISAC get fifo routine
81 *---------------------------------------------------------------------------*/
83 sws_read_fifo(struct l1_softc *sc,int what,void *buf,size_t size) {
84 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
85 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
89 bus_space_write_1(t,h,SWS_RW,0x0);
90 bus_space_read_multi_1(t,h,SWS_ISAC,buf,size);
93 bus_space_write_1(t,h,SWS_RW,0x0);
94 bus_space_read_multi_1(t,h,SWS_HSCX0,buf,size);
97 bus_space_write_1(t,h,SWS_RW,0x0+0x40);
98 bus_space_read_multi_1(t,h,SWS_HSCX0,buf,size);
104 sws_write_fifo(struct l1_softc *sc,int what,void *buf,size_t size) {
105 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
106 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
110 bus_space_write_1(t,h,SWS_RW,0x0);
111 bus_space_write_multi_1(t,h,SWS_ISAC,buf,size);
113 case ISIC_WHAT_HSCXA:
114 bus_space_write_1(t,h,SWS_RW,0x0);
115 bus_space_write_multi_1(t,h,SWS_HSCX0,buf,size);
117 case ISIC_WHAT_HSCXB:
118 bus_space_write_1(t,h,SWS_RW,0x0+0x40);
119 bus_space_write_multi_1(t,h,SWS_HSCX0,buf,size);
125 sws_write_reg(struct l1_softc *sc,int what,bus_size_t reg,u_int8_t data) {
126 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
127 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
131 bus_space_write_1(t,h,SWS_RW,reg);
132 bus_space_write_1(t,h,SWS_ISAC,data);
134 case ISIC_WHAT_HSCXA:
135 bus_space_write_1(t,h,SWS_RW,reg);
136 bus_space_write_1(t,h,SWS_HSCX0,data);
138 case ISIC_WHAT_HSCXB:
139 bus_space_write_1(t,h,SWS_RW,reg+0x40);
140 bus_space_write_1(t,h,SWS_HSCX0,data);
146 sws_read_reg (struct l1_softc *sc,int what,bus_size_t reg) {
147 bus_space_tag_t t = rman_get_bustag(sc->sc_resources.io_base[0]);
148 bus_space_handle_t h = rman_get_bushandle(sc->sc_resources.io_base[0]);
152 bus_space_write_1(t,h,SWS_RW,reg);
153 return bus_space_read_1(t,h,SWS_ISAC);
154 case ISIC_WHAT_HSCXA:
155 bus_space_write_1(t,h,SWS_RW,reg);
156 return bus_space_read_1(t,h,SWS_HSCX0);
157 case ISIC_WHAT_HSCXB:
158 bus_space_write_1(t,h,SWS_RW,reg+0x40);
159 return bus_space_read_1(t,h,SWS_HSCX0);
165 /* attach callback routine */
167 isic_attach_sws(device_t dev)
169 int unit = device_get_unit(dev);
170 struct l1_softc *sc = &l1_sc[unit];
172 struct i4b_info * info = &(sc->sc_resources);
173 bus_space_tag_t t = rman_get_bustag(info->io_base[0]);
174 bus_space_handle_t h = rman_get_bushandle(info->io_base[0]);
176 /* fill in l1_softc structure */
177 sc->readreg = sws_read_reg;
178 sc->writereg = sws_write_reg;
179 sc->readfifo = sws_read_fifo;
180 sc->writefifo = sws_write_fifo;
182 sc->sc_cardtyp = CARD_TYPEP_SWS;
183 sc->sc_bustyp = BUS_TYPE_IOM2;
185 sc->sc_bfifolen = HSCX_FIFO_LEN;
188 * Read HSCX A/B VSTR. Expected value for the SWS PnP card is
189 * 0x05 ( = version 2.1 ) in the least significant bits.
192 if( ((HSCX_READ(0, H_VSTR) & 0xf) != 0x5) ||
193 ((HSCX_READ(1, H_VSTR) & 0xf) != 0x5) )
195 printf("isic%d: HSCX VSTR test failed for SWS PnP\n",
197 printf("isic%d: HSC0: VSTR: %#x\n",
198 sc->sc_unit, HSCX_READ(0, H_VSTR));
199 printf("isic%d: HSC1: VSTR: %#x\n",
200 sc->sc_unit, HSCX_READ(1, H_VSTR));
205 bus_space_write_1(t,h,SWS_RESON,0x3);
206 DELAY(SEC_DELAY / 5);
207 bus_space_write_1(t,h,SWS_RESOFF,0x0);
208 DELAY(SEC_DELAY / 5);
212 #endif /* defined(SEDLBAUER) && NISIC > 0 */