| 1 | /* $NetBSD: slhci_pcmcia.c,v 1.10 2016/04/23 10:15:31 skrll Exp $ */ |
| 2 | /* |
| 3 | * Not (c) 2007 Matthew Orgass |
| 4 | * This file is public domain, meaning anyone can make any use of part or all |
| 5 | * of this file including copying into other works without credit. Any use, |
| 6 | * modified or not, is solely the responsibility of the user. If this file is |
| 7 | * part of a collection then use in the collection is governed by the terms of |
| 8 | * the collection. |
| 9 | */ |
| 10 | |
| 11 | /* Glue for RATOC USB HOST CF+ Card (SL811HS chip) */ |
| 12 | |
| 13 | #include <sys/cdefs.h> |
| 14 | __KERNEL_RCSID(0, "$NetBSD: slhci_pcmcia.c,v 1.10 2016/04/23 10:15:31 skrll Exp $" ); |
| 15 | |
| 16 | #include <sys/param.h> |
| 17 | #include <sys/device.h> |
| 18 | #include <sys/queue.h> |
| 19 | #include <sys/gcq.h> |
| 20 | #include <sys/systm.h> |
| 21 | #include <sys/errno.h> |
| 22 | |
| 23 | #include <sys/bus.h> |
| 24 | #include <dev/pcmcia/pcmciareg.h> |
| 25 | #include <dev/pcmcia/pcmciavar.h> |
| 26 | #include <dev/pcmcia/pcmciadevs.h> |
| 27 | |
| 28 | #include <dev/usb/usb.h> |
| 29 | #include <dev/usb/usbdi.h> |
| 30 | #include <dev/usb/usbdivar.h> |
| 31 | |
| 32 | #include <dev/ic/sl811hsvar.h> |
| 33 | |
| 34 | struct slhci_pcmcia_softc { |
| 35 | struct slhci_softc sc_slhci; |
| 36 | |
| 37 | struct pcmcia_function *sc_pf; |
| 38 | void * sc_ih; |
| 39 | int sc_flags; |
| 40 | #define PFL_ENABLED (0x1) |
| 41 | }; |
| 42 | |
| 43 | |
| 44 | int slhci_pcmcia_probe(device_t, cfdata_t, void *); |
| 45 | void slhci_pcmcia_attach(device_t, device_t, void *); |
| 46 | int slhci_pcmcia_detach(device_t, int); |
| 47 | int slhci_pcmcia_validate_config(struct pcmcia_config_entry *); |
| 48 | int slhci_pcmcia_enable(struct slhci_pcmcia_softc *, int); |
| 49 | |
| 50 | CFATTACH_DECL_NEW(slhci_pcmcia, sizeof(struct slhci_pcmcia_softc), |
| 51 | slhci_pcmcia_probe, slhci_pcmcia_attach, slhci_pcmcia_detach, |
| 52 | slhci_activate); |
| 53 | |
| 54 | /* Ratoc has two PCMCIA products with id 1. |
| 55 | * Ratoc has a firmware update that modifies the CIS. The new CIS may |
| 56 | * need a new entry. */ |
| 57 | static const struct pcmcia_product slhci_pcmcia_products[] = { |
| 58 | { PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_CFU1, |
| 59 | PCMCIA_CIS_RATOC_REX_CFU1 }, |
| 60 | }; |
| 61 | static const size_t slhci_pcmcia_nproducts = |
| 62 | sizeof(slhci_pcmcia_products) / sizeof(slhci_pcmcia_products[0]); |
| 63 | |
| 64 | int |
| 65 | slhci_pcmcia_probe(device_t parent, cfdata_t match, void *aux) |
| 66 | { |
| 67 | struct pcmcia_attach_args *pa = aux; |
| 68 | |
| 69 | if (pcmcia_product_lookup(pa, slhci_pcmcia_products, |
| 70 | slhci_pcmcia_nproducts, sizeof(slhci_pcmcia_products[0]), NULL)) |
| 71 | return 1; |
| 72 | |
| 73 | return 0; |
| 74 | } |
| 75 | |
| 76 | int |
| 77 | slhci_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
| 78 | { |
| 79 | if (cfe->num_iospace != 1 || cfe->num_memspace != 0) |
| 80 | return EINVAL; |
| 81 | return 0; |
| 82 | } |
| 83 | |
| 84 | void |
| 85 | slhci_pcmcia_attach(device_t parent, device_t self, void *aux) |
| 86 | { |
| 87 | struct slhci_pcmcia_softc *psc = device_private(self); |
| 88 | struct pcmcia_attach_args *pa = aux; |
| 89 | struct pcmcia_function *pf = pa->pf; |
| 90 | |
| 91 | psc->sc_slhci.sc_dev = self; |
| 92 | psc->sc_slhci.sc_bus.ub_hcpriv = &psc->sc_slhci; |
| 93 | |
| 94 | psc->sc_pf = pf; |
| 95 | psc->sc_flags = 0; |
| 96 | |
| 97 | slhci_pcmcia_enable(psc, 1); |
| 98 | |
| 99 | return; |
| 100 | } |
| 101 | |
| 102 | int |
| 103 | slhci_pcmcia_detach(device_t self, int flags) |
| 104 | { |
| 105 | struct slhci_pcmcia_softc *psc = device_private(self); |
| 106 | |
| 107 | slhci_pcmcia_enable(psc, 0); |
| 108 | |
| 109 | return slhci_detach(&psc->sc_slhci, flags); |
| 110 | } |
| 111 | |
| 112 | int |
| 113 | slhci_pcmcia_enable(struct slhci_pcmcia_softc *psc, int enable) |
| 114 | { |
| 115 | struct pcmcia_function *pf; |
| 116 | struct pcmcia_io_handle *pioh; |
| 117 | struct slhci_softc *sc; |
| 118 | int error; |
| 119 | |
| 120 | pf = psc->sc_pf; |
| 121 | sc = &psc->sc_slhci; |
| 122 | |
| 123 | if (enable) { |
| 124 | if (psc->sc_flags & PFL_ENABLED) |
| 125 | return 0; |
| 126 | |
| 127 | error = pcmcia_function_configure(pf, |
| 128 | slhci_pcmcia_validate_config); |
| 129 | if (error) { |
| 130 | printf("%s: configure failed, error=%d\n" , |
| 131 | SC_NAME(sc), error); |
| 132 | return 1; |
| 133 | } |
| 134 | |
| 135 | pioh = &pf->cfe->iospace[0].handle; |
| 136 | |
| 137 | /* The data port is repeated three times; using a stride of |
| 138 | * 2 prevents read/write errors on a Clio C-1000 hpcmips |
| 139 | * system. |
| 140 | */ |
| 141 | slhci_preinit(sc, NULL, pioh->iot, pioh->ioh, 100, 2); |
| 142 | |
| 143 | psc->sc_ih = pcmcia_intr_establish(pf, IPL_USB, |
| 144 | slhci_intr, sc); |
| 145 | |
| 146 | if (psc->sc_ih == NULL) { |
| 147 | printf("%s: unable to establish interrupt\n" , |
| 148 | SC_NAME(sc)); |
| 149 | goto fail1; |
| 150 | } |
| 151 | |
| 152 | if (pcmcia_function_enable(pf)) { |
| 153 | printf("%s: function enable failed\n" , SC_NAME(sc)); |
| 154 | goto fail2; |
| 155 | } |
| 156 | |
| 157 | if (slhci_attach(sc)) { |
| 158 | printf("%s: slhci_attach failed\n" , SC_NAME(sc)); |
| 159 | goto fail3; |
| 160 | } |
| 161 | |
| 162 | psc->sc_flags |= PFL_ENABLED; |
| 163 | return 0; |
| 164 | } else { |
| 165 | if (!(psc->sc_flags & PFL_ENABLED)) |
| 166 | return 1; |
| 167 | psc->sc_flags &= ~PFL_ENABLED; |
| 168 | fail3: |
| 169 | pcmcia_function_disable(pf); |
| 170 | fail2: |
| 171 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
| 172 | fail1: |
| 173 | pcmcia_function_unconfigure(pf); |
| 174 | |
| 175 | return 1; |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | |
| 180 | |