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      1 /* $NetBSD: slhci_tcu.c,v 1.1 2016/08/11 09:05:42 christos Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2016, Felix Deichmann
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * flxd TC-USB - TURBOchannel USB host option
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: slhci_tcu.c,v 1.1 2016/08/11 09:05:42 christos Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/device.h>
     39 
     40 #include <sys/bus.h>
     41 
     42 #include <dev/usb/usb.h>
     43 #include <dev/usb/usbdi.h>
     44 #include <dev/usb/usbdivar.h>
     45 
     46 #include <dev/ic/sl811hsreg.h>
     47 #include <dev/ic/sl811hsvar.h>
     48 
     49 #include <dev/tc/tcvar.h>
     50 
     51 struct slhci_tcu_softc {
     52 	struct slhci_softc sc;
     53 };
     54 
     55 static int  slhci_tcu_match(device_t, cfdata_t, void *);
     56 static void slhci_tcu_attach(device_t, device_t, void *);
     57 
     58 CFATTACH_DECL_NEW(slhci_tcu, sizeof(struct slhci_tcu_softc),
     59     slhci_tcu_match, slhci_tcu_attach, NULL, slhci_activate);
     60 
     61 static int
     62 slhci_tcu_match(device_t parent, cfdata_t cf, void *aux)
     63 {
     64 
     65 	/* Always match. */
     66 	return 1;
     67 }
     68 
     69 #define SLHCI_TCU_STRIDE	4
     70 #define SLHCI_TCU_IMAX		500 /* mA */
     71 
     72 static void
     73 slhci_tcu_attach(device_t parent, device_t self, void *aux)
     74 {
     75 	struct slhci_tcu_softc *tsc = device_private(self);
     76 	struct slhci_softc *sc = &tsc->sc;
     77 	struct tc_attach_args *ta = aux;
     78 	bus_space_tag_t iot = ta->ta_memt;
     79 	bus_space_handle_t ioh;
     80 	int error;
     81 
     82 	sc->sc_dev = self;
     83 	sc->sc_bus.ub_hcpriv = sc;
     84 
     85 	aprint_normal("\n");
     86 
     87 	error = bus_space_map(iot, ta->ta_addr,
     88 	    SLHCI_TCU_STRIDE * SL11_PORTSIZE, 0, &ioh);
     89 	if (error) {
     90 		aprint_error_dev(self, "bus_space_map() failed (%d)\n", error);
     91 		return;
     92 	}
     93 
     94 	slhci_preinit(sc, NULL, iot, ioh, SLHCI_TCU_IMAX, SLHCI_TCU_STRIDE);
     95 
     96 	tc_intr_establish(device_parent(parent), ta->ta_cookie, IPL_USB,
     97 	    slhci_intr, sc);
     98 
     99 	if (slhci_attach(sc))
    100 		aprint_error_dev(self, "slhci_attach() failed\n");
    101 }
    102