Home | History | Annotate | Line # | Download | only in pci
joy_eap.c revision 1.1.2.3 
      1  1.1.2.3  skrll /* $NetBSD: joy_eap.c,v 1.1.2.3 2004/08/12 11:41:44 skrll Exp $ */
      2  1.1.2.2  skrll 
      3  1.1.2.2  skrll #include <sys/param.h>
      4  1.1.2.2  skrll #include <sys/systm.h>
      5  1.1.2.2  skrll #include <sys/kernel.h>
      6  1.1.2.2  skrll #include <sys/device.h>
      7  1.1.2.2  skrll #include <sys/audioio.h>
      8  1.1.2.2  skrll #include <dev/audio_if.h>
      9  1.1.2.2  skrll #include <machine/bus.h>
     10  1.1.2.2  skrll 
     11  1.1.2.2  skrll #include <dev/pci/eapreg.h>
     12  1.1.2.2  skrll #include <dev/pci/eapvar.h>
     13  1.1.2.2  skrll #include <dev/ic/joyvar.h>
     14  1.1.2.2  skrll 
     15  1.1.2.2  skrll int joy_eap_match(struct device *, struct cfdata *, void *);
     16  1.1.2.2  skrll void joy_eap_attach(struct device *, struct device *, void *);
     17  1.1.2.2  skrll int joy_eap_detach(struct device *, int);
     18  1.1.2.2  skrll 
     19  1.1.2.2  skrll CFATTACH_DECL(joy_eap, sizeof (struct joy_softc),
     20  1.1.2.2  skrll 	joy_eap_match, joy_eap_attach, joy_eap_detach, NULL);
     21  1.1.2.2  skrll 
     22  1.1.2.2  skrll struct joy_eap_aa {
     23  1.1.2.2  skrll 	struct audio_attach_args aa_aaa;
     24  1.1.2.2  skrll 	bus_space_tag_t aa_iot;
     25  1.1.2.2  skrll 	bus_space_handle_t aa_ioh;
     26  1.1.2.2  skrll };
     27  1.1.2.2  skrll 
     28  1.1.2.2  skrll struct device *
     29  1.1.2.2  skrll eap_joy_attach(struct device *eapdev, struct eap_gameport_args *gpa)
     30  1.1.2.2  skrll {
     31  1.1.2.2  skrll 	int i;
     32  1.1.2.2  skrll 	bus_space_handle_t ioh;
     33  1.1.2.2  skrll 	u_int32_t icsc;
     34  1.1.2.2  skrll 	struct joy_eap_aa aa;
     35  1.1.2.2  skrll 	struct device *joydev;
     36  1.1.2.2  skrll 
     37  1.1.2.2  skrll 	/*
     38  1.1.2.2  skrll 	 * There are 4 possible locations. Just try to map one of them.
     39  1.1.2.2  skrll 	 * XXX This is questionable for 2 reasons:
     40  1.1.2.2  skrll 	 * - We don't know whether these addresses are usable on our
     41  1.1.2.2  skrll 	 *   PCI bus (might be a secondary one).
     42  1.1.2.2  skrll 	 * - PCI probing is early. ISA devices might conflict.
     43  1.1.2.2  skrll 	 */
     44  1.1.2.2  skrll 	for (i = 0; i < 4; i++) {
     45  1.1.2.2  skrll 		if (bus_space_map(gpa->gpa_iot, 0x200 + i * 8, 1,
     46  1.1.2.2  skrll 		    0, &ioh) == 0)
     47  1.1.2.2  skrll 			break;
     48  1.1.2.2  skrll 	}
     49  1.1.2.2  skrll 	if (i == 4)
     50  1.1.2.2  skrll 		return (0);
     51  1.1.2.2  skrll 
     52  1.1.2.2  skrll 	printf("%s: enabling gameport at legacy io port 0x%x\n",
     53  1.1.2.2  skrll 		eapdev->dv_xname, 0x200 + i * 8);
     54  1.1.2.2  skrll 
     55  1.1.2.2  skrll 	/* enable gameport on eap */
     56  1.1.2.2  skrll 	icsc = bus_space_read_4(gpa->gpa_iot, gpa->gpa_ioh, EAP_ICSC);
     57  1.1.2.2  skrll 	icsc &= ~E1371_JOY_ASELBITS;
     58  1.1.2.2  skrll 	icsc |= EAP_JYSTK_EN | E1371_JOY_ASEL(i);
     59  1.1.2.2  skrll 	bus_space_write_4(gpa->gpa_iot, gpa->gpa_ioh, EAP_ICSC, icsc);
     60  1.1.2.2  skrll 
     61  1.1.2.2  skrll 	aa.aa_aaa.type = AUDIODEV_TYPE_AUX;
     62  1.1.2.2  skrll 	aa.aa_iot = gpa->gpa_iot;
     63  1.1.2.2  skrll 	aa.aa_ioh = ioh;
     64  1.1.2.2  skrll 	joydev = config_found(eapdev, &aa, 0);
     65  1.1.2.2  skrll 	/* this cannot fail */
     66  1.1.2.2  skrll 	KASSERT(joydev != NULL);
     67  1.1.2.2  skrll 
     68  1.1.2.2  skrll 	return (joydev);
     69  1.1.2.2  skrll }
     70  1.1.2.2  skrll 
     71  1.1.2.2  skrll int
     72  1.1.2.2  skrll eap_joy_detach(struct device *joydev, struct eap_gameport_args *gpa)
     73  1.1.2.2  skrll {
     74  1.1.2.2  skrll 	int res;
     75  1.1.2.2  skrll 	struct joy_softc *sc = (struct joy_softc *)joydev;
     76  1.1.2.2  skrll 	u_int32_t icsc;
     77  1.1.2.2  skrll 
     78  1.1.2.2  skrll 	res = config_detach(joydev, 0);
     79  1.1.2.2  skrll 	if (res)
     80  1.1.2.2  skrll 		return (res);
     81  1.1.2.2  skrll 
     82  1.1.2.2  skrll 	/* disable gameport on eap */
     83  1.1.2.2  skrll 	icsc = bus_space_read_4(gpa->gpa_iot, gpa->gpa_ioh, EAP_ICSC);
     84  1.1.2.2  skrll 	icsc &= ~EAP_JYSTK_EN;
     85  1.1.2.2  skrll 	bus_space_write_4(gpa->gpa_iot, gpa->gpa_ioh, EAP_ICSC, icsc);
     86  1.1.2.2  skrll 
     87  1.1.2.2  skrll 	bus_space_unmap(sc->sc_iot, sc->sc_ioh, 1);
     88  1.1.2.2  skrll 	return (0);
     89  1.1.2.2  skrll }
     90  1.1.2.2  skrll 
     91  1.1.2.2  skrll int
     92  1.1.2.2  skrll joy_eap_match(struct device *parent, struct cfdata *match, void *aux)
     93  1.1.2.2  skrll {
     94  1.1.2.2  skrll 	struct joy_eap_aa *eaa = aux;
     95  1.1.2.2  skrll 
     96  1.1.2.2  skrll 	if (eaa->aa_aaa.type != AUDIODEV_TYPE_AUX)
     97  1.1.2.2  skrll 		return (0);
     98  1.1.2.2  skrll 	return (1);
     99  1.1.2.2  skrll }
    100  1.1.2.2  skrll 
    101  1.1.2.2  skrll void
    102  1.1.2.2  skrll joy_eap_attach(struct device *parent, struct device *self, void *aux)
    103  1.1.2.2  skrll {
    104  1.1.2.2  skrll 	struct joy_softc *sc = (struct joy_softc *)self;
    105  1.1.2.2  skrll 	struct joy_eap_aa *eaa = aux;
    106  1.1.2.2  skrll 
    107  1.1.2.2  skrll 	printf("\n");
    108  1.1.2.2  skrll 
    109  1.1.2.2  skrll 	sc->sc_iot = eaa->aa_iot;
    110  1.1.2.2  skrll 	sc->sc_ioh = eaa->aa_ioh;
    111  1.1.2.2  skrll 
    112  1.1.2.2  skrll 	joyattach(sc);
    113  1.1.2.2  skrll }
    114  1.1.2.2  skrll 
    115  1.1.2.2  skrll int
    116  1.1.2.2  skrll joy_eap_detach(struct device *self, int flags)
    117  1.1.2.2  skrll {
    118  1.1.2.2  skrll 
    119  1.1.2.3  skrll 	return (joydetach((struct joy_softc *)self, flags));
    120  1.1.2.2  skrll }
    121