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      1  1.12      chs /*	$NetBSD: ucbio.c,v 1.12 2012/10/27 17:17:53 chs Exp $	*/
      2   1.1      uch 
      3   1.2      uch /*-
      4   1.2      uch  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5   1.1      uch  * All rights reserved.
      6   1.1      uch  *
      7   1.2      uch  * This code is derived from software contributed to The NetBSD Foundation
      8   1.2      uch  * by UCHIYAMA Yasushi.
      9   1.2      uch  *
     10   1.1      uch  * Redistribution and use in source and binary forms, with or without
     11   1.1      uch  * modification, are permitted provided that the following conditions
     12   1.1      uch  * are met:
     13   1.1      uch  * 1. Redistributions of source code must retain the above copyright
     14   1.1      uch  *    notice, this list of conditions and the following disclaimer.
     15   1.2      uch  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.2      uch  *    notice, this list of conditions and the following disclaimer in the
     17   1.2      uch  *    documentation and/or other materials provided with the distribution.
     18   1.1      uch  *
     19   1.2      uch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20   1.2      uch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21   1.2      uch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22   1.2      uch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23   1.2      uch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24   1.2      uch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25   1.2      uch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26   1.2      uch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27   1.2      uch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28   1.2      uch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29   1.2      uch  * POSSIBILITY OF SUCH DAMAGE.
     30   1.1      uch  */
     31   1.1      uch 
     32   1.1      uch /*
     33   1.1      uch  * Device driver for PHILIPS UCB1200 Advanced modem/audio analog front-end
     34   1.1      uch  *	General Purpose I/O part.
     35   1.1      uch  */
     36   1.8    lukem 
     37   1.8    lukem #include <sys/cdefs.h>
     38  1.12      chs __KERNEL_RCSID(0, "$NetBSD: ucbio.c,v 1.12 2012/10/27 17:17:53 chs Exp $");
     39   1.1      uch 
     40   1.1      uch #include <sys/param.h>
     41   1.1      uch #include <sys/systm.h>
     42   1.1      uch #include <sys/device.h>
     43   1.1      uch 
     44   1.1      uch #include <machine/bus.h>
     45   1.1      uch #include <machine/intr.h>
     46   1.1      uch 
     47   1.1      uch #include <hpcmips/tx/tx39var.h>
     48   1.1      uch #include <hpcmips/tx/tx39sibvar.h>
     49   1.1      uch #include <hpcmips/tx/tx39sibreg.h>
     50   1.1      uch 
     51   1.1      uch #include <hpcmips/dev/ucb1200var.h>
     52   1.1      uch #include <hpcmips/dev/ucb1200reg.h>
     53   1.1      uch 
     54   1.3      uch #include <dev/hpc/hpciovar.h>	/* I/O manager */
     55   1.3      uch 
     56   1.5      uch #include <machine/debug.h>
     57   1.5      uch 
     58  1.12      chs int ucbio_match(device_t, cfdata_t, void *);
     59  1.12      chs void ucbio_attach(device_t, device_t, void *);
     60   1.1      uch 
     61   1.2      uch struct betty_port_status {
     62   1.2      uch 	u_int16_t dir;
     63   1.2      uch 	u_int16_t in, out;
     64   1.2      uch };
     65   1.1      uch 
     66   1.2      uch struct ucbio_softc {
     67  1.12      chs 	device_t sc_dev;
     68   1.2      uch 	tx_chipset_tag_t sc_tc;
     69   1.1      uch 
     70   1.2      uch 	struct betty_port_status sc_stat, sc_ostat;
     71   1.3      uch 	struct hpcio_chip sc_hc;
     72   1.1      uch };
     73   1.1      uch 
     74  1.12      chs CFATTACH_DECL_NEW(ucbio, sizeof(struct ucbio_softc),
     75   1.7  thorpej     ucbio_match, ucbio_attach, NULL, NULL);
     76   1.1      uch 
     77   1.2      uch /* I/O */
     78   1.3      uch static int betty_in(hpcio_chip_t, int);
     79   1.3      uch static void betty_out(hpcio_chip_t, int, int);
     80   1.2      uch /* interrupt */
     81   1.3      uch static hpcio_intr_handle_t betty_intr_establish(hpcio_chip_t, int, int,
     82   1.3      uch     int (*)(void *), void *);
     83   1.3      uch static void betty_intr_disestablish(hpcio_chip_t, void *);
     84   1.2      uch /* debug */
     85   1.3      uch static void betty_update(hpcio_chip_t);
     86   1.3      uch static void betty_dump(hpcio_chip_t);
     87   1.1      uch 
     88   1.1      uch int
     89  1.12      chs ucbio_match(device_t parent, cfdata_t cf, void *aux)
     90   1.1      uch {
     91   1.3      uch 	return (1);
     92   1.1      uch }
     93   1.1      uch 
     94   1.1      uch void
     95  1.12      chs ucbio_attach(device_t parent, device_t self, void *aux)
     96   1.1      uch {
     97   1.1      uch 	struct ucb1200_attach_args *ucba = aux;
     98  1.12      chs 	struct ucbio_softc *sc = device_private(self);
     99   1.3      uch 	struct hpcio_chip *hc = &sc->sc_hc;
    100   1.1      uch 
    101  1.12      chs 	sc->sc_dev = self;
    102   1.2      uch 	sc->sc_tc = ucba->ucba_tc;
    103   1.1      uch 	printf("\n");
    104   1.2      uch 
    105   1.3      uch 	hc->hc_sc		 = sc;
    106   1.3      uch 	hc->hc_chipid		 = 2;
    107   1.3      uch 	hc->hc_name		 = "UCB1200";
    108   1.3      uch 	hc->hc_portread		 = betty_in;
    109   1.3      uch 	hc->hc_portwrite	 = betty_out;
    110   1.3      uch 	hc->hc_intr_establish	 = betty_intr_establish;
    111   1.3      uch 	hc->hc_intr_disestablish = betty_intr_disestablish;
    112   1.3      uch 	hc->hc_update		 = betty_update;
    113   1.3      uch 	hc->hc_dump		 = betty_dump;
    114   1.2      uch 
    115   1.3      uch 	tx_conf_register_ioman(sc->sc_tc, hc);
    116   1.2      uch 
    117   1.3      uch 	hpcio_update(hc);
    118   1.3      uch 	hpcio_dump(hc);
    119   1.2      uch }
    120   1.2      uch 
    121   1.2      uch /* basic I/O */
    122   1.2      uch static void
    123   1.3      uch betty_out(hpcio_chip_t hc, int port, int onoff)
    124   1.2      uch {
    125   1.3      uch 	struct ucbio_softc *sc = hc->hc_sc;
    126   1.2      uch 	tx_chipset_tag_t tc = sc->sc_tc;
    127   1.2      uch 	txreg_t reg, pos;
    128   1.2      uch 
    129   1.2      uch 	pos = 1 << port;
    130   1.2      uch 	reg = txsibsf0_reg_read(tc, UCB1200_IO_DATA_REG);
    131   1.2      uch 	if (onoff)
    132   1.2      uch 		reg |= pos;
    133   1.2      uch 	else
    134   1.2      uch 		reg &= ~pos;
    135   1.2      uch 	txsibsf0_reg_write(tc, UCB1200_IO_DATA_REG, reg);
    136   1.2      uch }
    137   1.2      uch 
    138   1.2      uch static int
    139   1.3      uch betty_in(hpcio_chip_t hc, int port)
    140   1.2      uch {
    141   1.3      uch 	struct ucbio_softc *sc = hc->hc_sc;
    142   1.2      uch 	tx_chipset_tag_t tc = sc->sc_tc;
    143   1.2      uch 	txreg_t reg = txsibsf0_reg_read(tc, UCB1200_IO_DATA_REG);
    144   1.3      uch 
    145   1.3      uch 	return (reg & (1 << port));
    146   1.1      uch }
    147   1.1      uch 
    148   1.2      uch /* interrupt method not implemented */
    149   1.3      uch static hpcio_intr_handle_t
    150   1.3      uch betty_intr_establish(hpcio_chip_t hc, int port, int mode, int (*func)(void *),
    151   1.3      uch     void *func_arg)
    152   1.1      uch {
    153   1.3      uch 	struct ucbio_softc *sc = hc->hc_sc;
    154   1.1      uch 
    155  1.12      chs 	printf("%s: %s not implemented.\n", device_xname(sc->sc_dev),
    156  1.10    perry 	    __func__);
    157   1.3      uch 
    158   1.3      uch 	return (0);
    159   1.2      uch }
    160   1.1      uch 
    161   1.2      uch static void
    162   1.3      uch betty_intr_disestablish(hpcio_chip_t hc, void *ih)
    163   1.2      uch {
    164   1.3      uch 	struct ucbio_softc *sc = hc->hc_sc;
    165   1.3      uch 
    166  1.12      chs 	printf("%s: %s not implemented.\n", device_xname(sc->sc_dev),
    167  1.10    perry 	    __func__);
    168   1.1      uch }
    169   1.1      uch 
    170   1.2      uch /* debug */
    171   1.2      uch static void
    172   1.3      uch betty_update(hpcio_chip_t hc)
    173   1.1      uch {
    174   1.3      uch 	struct ucbio_softc *sc = hc->hc_sc;
    175   1.2      uch 	tx_chipset_tag_t tc = sc->sc_tc;
    176   1.2      uch 	struct betty_port_status *stat = &sc->sc_stat;
    177   1.2      uch 	u_int16_t dir, data;
    178   1.1      uch 
    179   1.2      uch 	sc->sc_ostat = *stat; /* save old status */
    180   1.2      uch 	dir = stat->dir = txsibsf0_reg_read(tc, UCB1200_IO_DIR_REG);
    181   1.2      uch 	data = txsibsf0_reg_read(tc, UCB1200_IO_DATA_REG);
    182   1.2      uch 	stat->out = data & dir;
    183   1.2      uch 	stat->in = data & ~dir;
    184   1.2      uch }
    185   1.2      uch 
    186   1.2      uch static void
    187   1.3      uch betty_dump(hpcio_chip_t hc)
    188   1.2      uch {
    189   1.5      uch #ifdef UCBIO_DEBUG
    190   1.3      uch 	struct ucbio_softc *sc = hc->hc_sc;
    191   1.2      uch 	struct betty_port_status *stat = &sc->sc_stat;
    192   1.2      uch 
    193   1.2      uch 	printf("[BETTY I/O]\n");
    194   1.2      uch 	printf("IN  ");
    195   1.5      uch 	dbg_bit_print(stat->in);
    196   1.2      uch 	printf("OUT ");
    197   1.5      uch 	dbg_bit_print(stat->out);
    198   1.2      uch 	printf("DIR ");
    199   1.5      uch 	dbg_bit_print(stat->dir);
    200   1.5      uch #endif /* UCBIO_DEBUG */
    201   1.1      uch }
    202