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slhci_pcmcia.c revision 1.2.4.1
      1  1.2.4.1      matt /* $NetBSD: slhci_pcmcia.c,v 1.2.4.1 2007/11/06 23:29:51 matt Exp $ */
      2      1.2  kiyohara /*
      3      1.2  kiyohara  * Not (c) 2007 Matthew Orgass
      4      1.2  kiyohara  * This file is public domain, meaning anyone can make any use of part or all
      5      1.2  kiyohara  * of this file including copying into other works without credit.  Any use,
      6      1.2  kiyohara  * modified or not, is solely the responsibility of the user.  If this file is
      7      1.2  kiyohara  * part of a collection then use in the collection is governed by the terms of
      8      1.2  kiyohara  * the collection.
      9      1.2  kiyohara  */
     10      1.2  kiyohara 
     11      1.2  kiyohara /* Glue for RATOC USB HOST CF+ Card (SL811HS chip) */
     12      1.2  kiyohara 
     13      1.2  kiyohara #include <sys/cdefs.h>
     14  1.2.4.1      matt __KERNEL_RCSID(0, "$NetBSD: slhci_pcmcia.c,v 1.2.4.1 2007/11/06 23:29:51 matt Exp $");
     15      1.2  kiyohara 
     16      1.2  kiyohara #include <sys/param.h>
     17      1.2  kiyohara #include <sys/device.h>
     18      1.2  kiyohara #include <sys/queue.h>
     19      1.2  kiyohara #include <sys/gcq.h>
     20      1.2  kiyohara #include <sys/systm.h>
     21      1.2  kiyohara #include <sys/errno.h>
     22      1.2  kiyohara 
     23  1.2.4.1      matt #include <sys/bus.h>
     24      1.2  kiyohara #include <dev/pcmcia/pcmciareg.h>
     25      1.2  kiyohara #include <dev/pcmcia/pcmciavar.h>
     26      1.2  kiyohara #include <dev/pcmcia/pcmciadevs.h>
     27      1.2  kiyohara 
     28      1.2  kiyohara #include <dev/usb/usb.h>
     29      1.2  kiyohara #include <dev/usb/usb_port.h>
     30      1.2  kiyohara #include <dev/usb/usbdi.h>
     31      1.2  kiyohara #include <dev/usb/usbdivar.h>
     32      1.2  kiyohara 
     33      1.2  kiyohara #include <dev/ic/sl811hsvar.h>
     34      1.2  kiyohara 
     35      1.2  kiyohara struct slhci_pcmcia_softc {
     36      1.2  kiyohara 	struct slhci_softc sc_slhci;
     37      1.2  kiyohara 
     38      1.2  kiyohara 	struct pcmcia_function *sc_pf;
     39      1.2  kiyohara 	void * sc_ih;
     40      1.2  kiyohara 	int sc_flags;
     41      1.2  kiyohara #define PFL_ENABLED 		(0x1)
     42      1.2  kiyohara };
     43      1.2  kiyohara 
     44      1.2  kiyohara 
     45      1.2  kiyohara int slhci_pcmcia_probe(struct device *, struct cfdata *, void *);
     46      1.2  kiyohara void slhci_pcmcia_attach(struct device *, struct device *, void *);
     47      1.2  kiyohara int slhci_pcmcia_detach(struct device *, int);
     48      1.2  kiyohara int slhci_pcmcia_validate_config(struct pcmcia_config_entry *);
     49      1.2  kiyohara int slhci_pcmcia_enable(struct slhci_pcmcia_softc *, int);
     50      1.2  kiyohara 
     51      1.2  kiyohara CFATTACH_DECL(slhci_pcmcia, sizeof(struct slhci_pcmcia_softc),
     52      1.2  kiyohara     slhci_pcmcia_probe, slhci_pcmcia_attach, slhci_pcmcia_detach,
     53      1.2  kiyohara     slhci_activate);
     54      1.2  kiyohara 
     55      1.2  kiyohara /* Ratoc has two PCMCIA products with id 1.
     56      1.2  kiyohara  * Ratoc has a firmware update that modifies the CIS.  The new CIS may
     57      1.2  kiyohara  * need a new entry. */
     58      1.2  kiyohara static const struct pcmcia_product slhci_pcmcia_products[] = {
     59      1.2  kiyohara 	{ PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_CFU1,
     60      1.2  kiyohara 	  PCMCIA_CIS_RATOC_REX_CFU1 },
     61      1.2  kiyohara };
     62      1.2  kiyohara static const size_t slhci_pcmcia_nproducts =
     63      1.2  kiyohara 	sizeof(slhci_pcmcia_products) / sizeof(slhci_pcmcia_products[0]);
     64      1.2  kiyohara 
     65      1.2  kiyohara int
     66      1.2  kiyohara slhci_pcmcia_probe(struct device *parent, struct cfdata *match, void *aux)
     67      1.2  kiyohara {
     68      1.2  kiyohara 	struct pcmcia_attach_args *pa = aux;
     69      1.2  kiyohara 
     70      1.2  kiyohara 	if (pcmcia_product_lookup(pa, slhci_pcmcia_products,
     71      1.2  kiyohara 	    slhci_pcmcia_nproducts, sizeof(slhci_pcmcia_products[0]), NULL))
     72      1.2  kiyohara 		return 1;
     73      1.2  kiyohara 
     74      1.2  kiyohara 	return 0;
     75      1.2  kiyohara }
     76      1.2  kiyohara 
     77      1.2  kiyohara int
     78      1.2  kiyohara slhci_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
     79      1.2  kiyohara {
     80      1.2  kiyohara 	if (cfe->num_iospace != 1 || cfe->num_memspace != 0)
     81      1.2  kiyohara 		return EINVAL;
     82      1.2  kiyohara 	return 0;
     83      1.2  kiyohara }
     84      1.2  kiyohara 
     85      1.2  kiyohara void
     86      1.2  kiyohara slhci_pcmcia_attach(struct device *parent, struct device *self, void *aux)
     87      1.2  kiyohara {
     88      1.2  kiyohara 	struct slhci_pcmcia_softc *psc = (void *)self;
     89      1.2  kiyohara 	struct pcmcia_attach_args *pa = aux;
     90      1.2  kiyohara 	struct pcmcia_function *pf = pa->pf;
     91      1.2  kiyohara 
     92      1.2  kiyohara 	psc->sc_pf = pf;
     93      1.2  kiyohara 	psc->sc_flags = 0;
     94      1.2  kiyohara 
     95      1.2  kiyohara 	slhci_pcmcia_enable(psc, 1);
     96      1.2  kiyohara 
     97      1.2  kiyohara 	return;
     98      1.2  kiyohara }
     99      1.2  kiyohara 
    100      1.2  kiyohara int
    101      1.2  kiyohara slhci_pcmcia_detach(struct device *self, int flags)
    102      1.2  kiyohara {
    103      1.2  kiyohara 	struct slhci_pcmcia_softc *psc = (void *)self;
    104      1.2  kiyohara 
    105      1.2  kiyohara 	slhci_pcmcia_enable(psc, 0);
    106      1.2  kiyohara 
    107      1.2  kiyohara 	return slhci_detach(&psc->sc_slhci, flags);
    108      1.2  kiyohara }
    109      1.2  kiyohara 
    110      1.2  kiyohara int
    111      1.2  kiyohara slhci_pcmcia_enable(struct slhci_pcmcia_softc *psc, int enable)
    112      1.2  kiyohara {
    113      1.2  kiyohara 	struct pcmcia_function *pf;
    114      1.2  kiyohara 	struct pcmcia_io_handle *pioh;
    115      1.2  kiyohara 	struct slhci_softc *sc;
    116      1.2  kiyohara 	int error;
    117      1.2  kiyohara 
    118      1.2  kiyohara 	pf = psc->sc_pf;
    119      1.2  kiyohara 	sc = &psc->sc_slhci;
    120      1.2  kiyohara 
    121      1.2  kiyohara 	if (enable) {
    122      1.2  kiyohara 		if (psc->sc_flags & PFL_ENABLED)
    123      1.2  kiyohara 			return 0;
    124      1.2  kiyohara 
    125      1.2  kiyohara 		error = pcmcia_function_configure(pf,
    126      1.2  kiyohara 		    slhci_pcmcia_validate_config);
    127      1.2  kiyohara 		if (error) {
    128      1.2  kiyohara 			printf("%s: configure failed, error=%d\n",
    129      1.2  kiyohara 			    SC_NAME(sc), error);
    130      1.2  kiyohara 			return 1;
    131      1.2  kiyohara 		}
    132      1.2  kiyohara 
    133      1.2  kiyohara 		pioh = &pf->cfe->iospace[0].handle;
    134      1.2  kiyohara 
    135      1.2  kiyohara 		/* The data port is repeated three times; using a stride of
    136      1.2  kiyohara 		 * 2 prevents read/write errors on a Clio C-1000 hpcmips
    137      1.2  kiyohara 		 * system.
    138      1.2  kiyohara 		 */
    139      1.2  kiyohara 		slhci_preinit(sc, NULL, pioh->iot, pioh->ioh, 100, 2);
    140      1.2  kiyohara 
    141      1.2  kiyohara 		psc->sc_ih = pcmcia_intr_establish(pf, IPL_HARDUSB,
    142      1.2  kiyohara 		    slhci_intr, sc);
    143      1.2  kiyohara 
    144      1.2  kiyohara 		if (psc->sc_ih == NULL) {
    145      1.2  kiyohara 			printf("%s: unable to establish interrupt\n",
    146      1.2  kiyohara 			    SC_NAME(sc));
    147      1.2  kiyohara 			goto fail1;
    148      1.2  kiyohara 		}
    149      1.2  kiyohara 
    150      1.2  kiyohara 		if (pcmcia_function_enable(pf)) {
    151      1.2  kiyohara 			printf("%s: function enable failed\n", SC_NAME(sc));
    152      1.2  kiyohara 			goto fail2;
    153      1.2  kiyohara 		}
    154      1.2  kiyohara 
    155      1.2  kiyohara 		if (slhci_attach(sc)) {
    156      1.2  kiyohara 			printf("%s: slhci_attach failed\n", SC_NAME(sc));
    157      1.2  kiyohara 			goto fail3;
    158      1.2  kiyohara 		}
    159      1.2  kiyohara 
    160      1.2  kiyohara 		psc->sc_flags |= PFL_ENABLED;
    161      1.2  kiyohara 		return 0;
    162      1.2  kiyohara 	} else {
    163      1.2  kiyohara 		if (!(psc->sc_flags & PFL_ENABLED))
    164      1.2  kiyohara 			return 1;
    165      1.2  kiyohara 		psc->sc_flags &= ~PFL_ENABLED;
    166      1.2  kiyohara fail3:
    167      1.2  kiyohara 		pcmcia_function_disable(pf);
    168      1.2  kiyohara fail2:
    169      1.2  kiyohara 		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
    170      1.2  kiyohara fail1:
    171      1.2  kiyohara 		pcmcia_function_unconfigure(pf);
    172      1.2  kiyohara 
    173      1.2  kiyohara 		return 1;
    174      1.2  kiyohara 	}
    175      1.2  kiyohara }
    176      1.2  kiyohara 
    177      1.2  kiyohara 
    178