/* $NetBSD: if_tr_pcmcia.c,v 1.28.4.1 2019/11/14 15:38:02 martin Exp $ */ /* * Copyright (c) 2000 Soren S. Jorvang. All rights reserved. * Copyright (c) 2000 Onno van der Linden. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * PCMCIA attachment for the following Tropic-based cards. * * o IBM Token Ring 16/4 Credit Card Adapter * o IBM Token Ring Auto 16/4 Credit Card Adapter * o IBM Turbo 16/4 Token Ring PC Card * o 3Com TokenLink Velocity PC Card */ #include __KERNEL_RCSID(0, "$NetBSD: if_tr_pcmcia.c,v 1.28.4.1 2019/11/14 15:38:02 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define TR_SRAM_SIZE (16 * 1024) /* Really 64KB, but conserve iomem. */ /* * XXX How do host/PCMCIA/cbb memory spaces actually relate? */ #ifndef TR_PCMCIA_SRAM_ADDR #define TR_PCMCIA_SRAM_ADDR 0xc8000 #endif #ifndef TR_PCMCIA_MMIO_ADDR #define TR_PCMCIA_MMIO_ADDR 0xcc000 #endif struct tr_pcmcia_softc { struct tr_softc sc_tr; struct pcmcia_io_handle sc_pioh; int sc_pio_window; struct pcmcia_mem_handle sc_sramh; int sc_sram_window; struct pcmcia_mem_handle sc_mmioh; int sc_mmio_window; struct pcmcia_function *sc_pf; }; static int tr_pcmcia_match(device_t, cfdata_t, void *); static void tr_pcmcia_attach(device_t, device_t, void *); static int tr_pcmcia_detach(device_t, int); static int tr_pcmcia_enable(struct tr_softc *); static int tr_pcmcia_mediachange(struct tr_softc *); static void tr_pcmcia_mediastatus(struct tr_softc *, struct ifmediareq *); static void tr_pcmcia_disable(struct tr_softc *); static void tr_pcmcia_setup(struct tr_softc *); CFATTACH_DECL_NEW(tr_pcmcia, sizeof(struct tr_pcmcia_softc), tr_pcmcia_match, tr_pcmcia_attach, tr_pcmcia_detach, tr_activate); static int tr_pcmcia_match(device_t parent, cfdata_t match, void *aux) { struct pcmcia_attach_args *pa = aux; if (pa->manufacturer == PCMCIA_VENDOR_IBM) switch (pa->product) { case PCMCIA_PRODUCT_IBM_TROPIC: return 1; } return 0; } static void tr_pcmcia_attach(device_t parent, device_t self, void *aux) { struct tr_pcmcia_softc *psc = device_private(self); struct tr_softc *sc = &psc->sc_tr; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; bus_size_t offset; psc->sc_pf = pa->pf; sc->sc_dev = self; cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); pcmcia_function_init(pa->pf, cfe); if (pcmcia_function_enable(pa->pf) != 0) { aprint_error_dev(self, "function enable failed\n"); return; } if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start, cfe->iospace[0].length, cfe->iospace[0].length, &psc->sc_pioh) != 0) { aprint_error_dev(self, "can't allocate pio space\n"); goto fail1; } if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_IO8, /* XXX _AUTO? */ &psc->sc_pioh, &psc->sc_pio_window) != 0) { aprint_error_dev(self, "can't map pio space\n"); goto fail2; } if (pcmcia_mem_alloc(psc->sc_pf, TR_SRAM_SIZE, &psc->sc_sramh) != 0) { aprint_error_dev(self, "can't allocate sram space\n"); goto fail3; } if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, TR_PCMCIA_SRAM_ADDR, TR_SRAM_SIZE, &psc->sc_sramh, &offset, &psc->sc_sram_window) != 0) { aprint_error_dev(self, "can't map sram space\n"); goto fail4; } if (pcmcia_mem_alloc(psc->sc_pf, TR_MMIO_SIZE, &psc->sc_mmioh) != 0) { aprint_error_dev(self, "can't allocate mmio space\n"); goto fail5; return; } if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_COMMON, TR_PCMCIA_MMIO_ADDR, TR_MMIO_SIZE, &psc->sc_mmioh, &offset, &psc->sc_mmio_window) != 0) { aprint_error_dev(self, "can't map mmio space\n"); goto fail6; } sc->sc_piot = psc->sc_pioh.iot; sc->sc_pioh = psc->sc_pioh.ioh; sc->sc_memt = psc->sc_sramh.memt; sc->sc_sramh = psc->sc_sramh.memh; sc->sc_mmioh = psc->sc_mmioh.memh; sc->sc_init_status = RSP_16; sc->sc_memwinsz = TR_SRAM_SIZE; sc->sc_memsize = TR_SRAM_SIZE; sc->sc_memreserved = 0; sc->sc_aca = TR_ACA_OFFSET; sc->sc_maddr = TR_PCMCIA_SRAM_ADDR; sc->sc_mediastatus = tr_pcmcia_mediastatus; sc->sc_mediachange = tr_pcmcia_mediachange; sc->sc_enable = tr_pcmcia_enable; sc->sc_disable = tr_pcmcia_disable; tr_pcmcia_setup(sc); if (tr_reset(sc) == 0) (void)tr_attach(sc); pcmcia_function_disable(pa->pf); sc->sc_enabled = 0; return; fail6: pcmcia_mem_free(psc->sc_pf, &psc->sc_mmioh); fail5: pcmcia_mem_unmap(psc->sc_pf, psc->sc_sram_window); fail4: pcmcia_mem_free(psc->sc_pf, &psc->sc_sramh); fail3: pcmcia_io_unmap(psc->sc_pf, psc->sc_pio_window); fail2: pcmcia_io_free(psc->sc_pf, &psc->sc_pioh); fail1: pcmcia_function_disable(pa->pf); sc->sc_enabled = 0; } static int tr_pcmcia_enable(struct tr_softc *sc) { struct tr_pcmcia_softc *psc = (struct tr_pcmcia_softc *) sc; int ret; sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, tr_intr, psc); if (sc->sc_ih == NULL) { aprint_error_dev(psc->sc_tr.sc_dev, "couldn't establish interrupt\n"); return 1; } ret = pcmcia_function_enable(psc->sc_pf); if (ret != 0) return ret; tr_pcmcia_setup(sc); if (tr_reset(sc)) return 1; if (tr_config(sc)) return 1; return 0; } static void tr_pcmcia_disable(struct tr_softc *sc) { struct tr_pcmcia_softc *psc = (struct tr_pcmcia_softc *) sc; pcmcia_function_disable(psc->sc_pf); pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih); } static int tr_pcmcia_mediachange(struct tr_softc *sc) { int setspeed = 0; if (IFM_TYPE(sc->sc_media.ifm_media) != IFM_TOKEN) return EINVAL; switch (IFM_SUBTYPE(sc->sc_media.ifm_media)) { case IFM_TOK_STP16: case IFM_TOK_UTP16: if ((sc->sc_init_status & RSP_16) == 0) setspeed = 1; break; case IFM_TOK_STP4: case IFM_TOK_UTP4: if ((sc->sc_init_status & RSP_16) != 0) setspeed = 1; break; } if (setspeed != 0) { tr_stop(sc); if (sc->sc_enabled) tr_pcmcia_disable(sc); sc->sc_init_status ^= RSP_16; /* XXX 100 Mbit/s */ if (sc->sc_enabled) tr_pcmcia_enable(sc); } /* * XXX Handle Early Token Release !!!! */ return 0; } /* * XXX Copy of tropic_mediastatus() */ static void tr_pcmcia_mediastatus(struct tr_softc *sc, struct ifmediareq *ifmr) { struct ifmedia *ifm = &sc->sc_media; ifmr->ifm_active = ifm->ifm_cur->ifm_media; } int tr_pcmcia_detach(device_t self, int flags) { struct tr_pcmcia_softc *psc = device_private(self); int rv; rv = tr_detach(self, flags); if (rv == 0) { pcmcia_mem_unmap(psc->sc_pf, psc->sc_mmio_window); pcmcia_mem_free(psc->sc_pf, &psc->sc_mmioh); pcmcia_mem_unmap(psc->sc_pf, psc->sc_sram_window); pcmcia_mem_free(psc->sc_pf, &psc->sc_sramh); pcmcia_io_unmap(psc->sc_pf, psc->sc_pio_window); pcmcia_io_free(psc->sc_pf, &psc->sc_pioh); } return rv; } static void tr_pcmcia_setup(struct tr_softc *sc) { int s; bus_space_write_1(sc->sc_piot, sc->sc_pioh, 0, (TR_PCMCIA_MMIO_ADDR >> 16) & 0x0f); bus_space_write_1(sc->sc_piot, sc->sc_pioh, 0, 0x10 | ((TR_PCMCIA_MMIO_ADDR >> 12) & 0x0e)); /* XXX Magick */ bus_space_write_1(sc->sc_piot, sc->sc_pioh, 0, 0x20 | 0x06); /* 0 << 2 for 8K, 1 << 2 for 16K, 2 << 2 for 32K, 3 << 2 for 64K */ /* 0 << 1 for 4Mbit/s, 1 << 1 for 16Mbit/s */ /* 0 for primary, 1 for alternate */ s = sc->sc_init_status & RSP_16 ? (1 << 1) : (0 << 1); bus_space_write_1(sc->sc_piot, sc->sc_pioh, 0, 0x30 | 0x04 | s); /* Release the card. */ bus_space_write_1(sc->sc_piot, sc->sc_pioh, 0, 0x40); }