diff options
Diffstat (limited to 'bsd_eth_drivers/if_le/if_le_cbus.c')
-rw-r--r-- | bsd_eth_drivers/if_le/if_le_cbus.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/bsd_eth_drivers/if_le/if_le_cbus.c b/bsd_eth_drivers/if_le/if_le_cbus.c deleted file mode 100644 index 40d0e19..0000000 --- a/bsd_eth_drivers/if_le/if_le_cbus.c +++ /dev/null @@ -1,451 +0,0 @@ -/*- - * Copyright (c) 1994-2000 - * Paul Richards. All rights reserved. - * - * PC-98 port by Chiharu Shibata & FreeBSD(98) porting team. - * - * 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, - * verbatim and that no modifications are made prior to this - * point in the file. - * 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. - * 3. The name Paul Richards may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``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 PAUL RICHARDS 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. - * - * from: FreeBSD: src/sys/dev/lnc/if_lnc_cbus.c,v 1.12 2005/11/12 19:14:21 - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD: src/sys/dev/le/if_le_cbus.c,v 1.5 2007/02/23 12:18:45 piso Exp $"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/bus.h> -#include <sys/endian.h> -#include <sys/kernel.h> -#include <sys/lock.h> -#include <sys/module.h> -#include <sys/mutex.h> -#include <sys/resource.h> -#include <sys/rman.h> -#include <sys/socket.h> - -#include <net/ethernet.h> -#include <net/if.h> -#include <net/if_media.h> - -#include <machine/bus.h> -#include <machine/resource.h> - -#include <isa/isavar.h> - -#include <dev/le/lancereg.h> -#include <dev/le/lancevar.h> -#include <dev/le/am7990var.h> - -#define LE_CBUS_MEMSIZE (16*1024) -#define CNET98S_IOSIZE 32 -#define CNET98S_RDP 0x10 -#define CNET98S_RAP 0x12 -#define CNET98S_RESET 0x14 -#define CNET98S_BDP 0x16 - -struct le_cbus_softc { - struct am7990_softc sc_am7990; /* glue to MI code */ - - int sc_rrid; - struct resource *sc_rres; - bus_space_tag_t sc_regt; - bus_space_handle_t sc_regh; - - int sc_irid; - struct resource *sc_ires; - void *sc_ih; - - bus_dma_tag_t sc_pdmat; - bus_dma_tag_t sc_dmat; - bus_dmamap_t sc_dmam; -}; - -static device_probe_t le_cbus_probe; -static device_attach_t le_cbus_attach; -static device_detach_t le_cbus_detach; -static device_resume_t le_cbus_resume; -static device_suspend_t le_cbus_suspend; - -static device_method_t le_cbus_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, le_cbus_probe), - DEVMETHOD(device_attach, le_cbus_attach), - DEVMETHOD(device_detach, le_cbus_detach), - /* We can just use the suspend method here. */ - DEVMETHOD(device_shutdown, le_cbus_suspend), - DEVMETHOD(device_suspend, le_cbus_suspend), - DEVMETHOD(device_resume, le_cbus_resume), - - { 0, 0 } -}; - -DEFINE_CLASS_0(le, le_cbus_driver, le_cbus_methods, sizeof(struct le_cbus_softc)); -DRIVER_MODULE(le, isa, le_cbus_driver, le_devclass, 0, 0); -MODULE_DEPEND(le, ether, 1, 1, 1); - -static bus_addr_t le_ioaddr_cnet98s[CNET98S_IOSIZE] = { - 0x000, 0x001, 0x002, 0x003, 0x004, 0x005, 0x006, 0x007, - 0x008, 0x009, 0x00a, 0x00b, 0x00c, 0x00d, 0x00e, 0x00f, - 0x400, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, - 0x408, 0x409, 0x40a, 0x40b, 0x40c, 0x40d, 0x40e, 0x40f, -}; - -static void le_cbus_wrbcr(struct lance_softc *, uint16_t, uint16_t); -#ifdef LEDEBUG -static uint16_t le_cbus_rdbcr(struct lance_softc *, uint16_t); -#endif -static void le_cbus_wrcsr(struct lance_softc *, uint16_t, uint16_t); -static uint16_t le_cbus_rdcsr(struct lance_softc *, uint16_t); -static void le_cbus_hwreset(struct lance_softc *); -static bus_dmamap_callback_t le_cbus_dma_callback; - -static void -le_cbus_wrbcr(struct lance_softc *sc, uint16_t port, uint16_t val) -{ - struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc; - - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port); - bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2, - BUS_SPACE_BARRIER_WRITE); - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_BDP, val); -} - -#ifdef LEDEBUG -static uint16_t -le_cbus_rdbcr(struct lance_softc *sc, uint16_t port) -{ - struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc; - - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port); - bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2, - BUS_SPACE_BARRIER_WRITE); - return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_BDP)); -} -#endif - -static void -le_cbus_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) -{ - struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc; - - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port); - bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2, - BUS_SPACE_BARRIER_WRITE); - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RDP, val); -} - -static uint16_t -le_cbus_rdcsr(struct lance_softc *sc, uint16_t port) -{ - struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc; - - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, port); - bus_space_barrier(lesc->sc_regt, lesc->sc_regh, CNET98S_RAP, 2, - BUS_SPACE_BARRIER_WRITE); - return (bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RDP)); -} - -static void -le_cbus_hwreset(struct lance_softc *sc) -{ - struct le_cbus_softc *lesc = (struct le_cbus_softc *)sc; - - /* - * NB: These are Contec C-NET(98)S only. - */ - - /* Reset the chip. */ - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET, - bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET)); - DELAY(500); - - /* ISA bus configuration */ - /* ISACSR0 - set Master Mode Read Active time to 300ns. */ - le_cbus_wrbcr(sc, LE_BCR0, 0x0006); - /* ISACSR1 - set Master Mode Write Active time to 300ns. */ - le_cbus_wrbcr(sc, LE_BCR1, 0x0006); -#ifdef LEDEBUG - device_printf(dev, "ISACSR2=0x%x\n", le_cbus_rdbcr(sc, LE_BCR2)); -#endif - /* ISACSR5 - LED1 */ - le_cbus_wrbcr(sc, LE_BCR5, LE_B4_PSE | LE_B4_XMTE); - /* ISACSR6 - LED2 */ - le_cbus_wrbcr(sc, LE_BCR6, LE_B4_PSE | LE_B4_RCVE); - /* ISACSR7 - LED3 */ - le_cbus_wrbcr(sc, LE_BCR7, LE_B4_PSE | LE_B4_COLE); -} - -static void -le_cbus_dma_callback(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) -{ - struct lance_softc *sc = (struct lance_softc *)xsc; - - if (error != 0) - return; - KASSERT(nsegs == 1, ("%s: bad DMA segment count", __func__)); - sc->sc_addr = segs[0].ds_addr; -} - -static int -le_cbus_probe(device_t dev) -{ - struct le_cbus_softc *lesc; - struct lance_softc *sc; - int error; - - /* - * Skip PnP devices as some wedge when trying to probe them as - * C-NET(98)S. - */ - if (isa_get_vendorid(dev)) - return (ENXIO); - - lesc = device_get_softc(dev); - sc = &lesc->sc_am7990.lsc; - - lesc->sc_rrid = 0; - lesc->sc_rres = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &lesc->sc_rrid, - le_ioaddr_cnet98s, CNET98S_IOSIZE, RF_ACTIVE); - if (lesc->sc_rres == NULL) - return (ENXIO); - isa_load_resourcev(lesc->sc_rres, le_ioaddr_cnet98s, CNET98S_IOSIZE); - lesc->sc_regt = rman_get_bustag(lesc->sc_rres); - lesc->sc_regh = rman_get_bushandle(lesc->sc_rres); - - /* Reset the chip. */ - bus_space_write_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET, - bus_space_read_2(lesc->sc_regt, lesc->sc_regh, CNET98S_RESET)); - DELAY(500); - - /* Stop the chip and put it in a known state. */ - le_cbus_wrcsr(sc, LE_CSR0, LE_C0_STOP); - DELAY(100); - if (le_cbus_rdcsr(sc, LE_CSR0) != LE_C0_STOP) { - error = ENXIO; - goto fail; - } - le_cbus_wrcsr(sc, LE_CSR3, 0); - device_set_desc(dev, "C-NET(98)S"); - error = BUS_PROBE_DEFAULT; - - fail: - bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres); - return (error); -} - -static int -le_cbus_attach(device_t dev) -{ - struct le_cbus_softc *lesc; - struct lance_softc *sc; - int error, i; - - lesc = device_get_softc(dev); - sc = &lesc->sc_am7990.lsc; - - LE_LOCK_INIT(sc, device_get_nameunit(dev)); - - lesc->sc_rrid = 0; - lesc->sc_rres = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &lesc->sc_rrid, - le_ioaddr_cnet98s, CNET98S_IOSIZE, RF_ACTIVE); - if (lesc->sc_rres == NULL) { - device_printf(dev, "cannot allocate registers\n"); - error = ENXIO; - goto fail_mtx; - } - isa_load_resourcev(lesc->sc_rres, le_ioaddr_cnet98s, CNET98S_IOSIZE); - lesc->sc_regt = rman_get_bustag(lesc->sc_rres); - lesc->sc_regh = rman_get_bushandle(lesc->sc_rres); - - lesc->sc_irid = 0; - if ((lesc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, - &lesc->sc_irid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { - device_printf(dev, "cannot allocate interrupt\n"); - error = ENXIO; - goto fail_rres; - } - - error = bus_dma_tag_create( - bus_get_dma_tag(dev), /* parent */ - 1, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR_24BIT, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ - 0, /* nsegments */ - BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &lesc->sc_pdmat); - if (error != 0) { - device_printf(dev, "cannot allocate parent DMA tag\n"); - goto fail_ires; - } - - sc->sc_memsize = LE_CBUS_MEMSIZE; - /* - * For Am79C90, Am79C961 and Am79C961A the init block must be 2-byte - * aligned and the ring descriptors must be 8-byte aligned. - */ - error = bus_dma_tag_create( - lesc->sc_pdmat, /* parent */ - 8, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR_24BIT, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - sc->sc_memsize, /* maxsize */ - 1, /* nsegments */ - sc->sc_memsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &lesc->sc_dmat); - if (error != 0) { - device_printf(dev, "cannot allocate buffer DMA tag\n"); - goto fail_pdtag; - } - - error = bus_dmamem_alloc(lesc->sc_dmat, (void **)&sc->sc_mem, - BUS_DMA_WAITOK | BUS_DMA_COHERENT, &lesc->sc_dmam); - if (error != 0) { - device_printf(dev, "cannot allocate DMA buffer memory\n"); - goto fail_dtag; - } - - sc->sc_addr = 0; - error = bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmam, sc->sc_mem, - sc->sc_memsize, le_cbus_dma_callback, sc, 0); - if (error != 0 || sc->sc_addr == 0) { - device_printf(dev, "cannot load DMA buffer map\n"); - goto fail_dmem; - } - - sc->sc_flags = 0; - sc->sc_conf3 = 0; - - /* - * Extract the physical MAC address from the ROM. - */ - for (i = 0; i < sizeof(sc->sc_enaddr); i++) - sc->sc_enaddr[i] = bus_space_read_1(lesc->sc_regt, - lesc->sc_regh, i * 2); - - sc->sc_copytodesc = lance_copytobuf_contig; - sc->sc_copyfromdesc = lance_copyfrombuf_contig; - sc->sc_copytobuf = lance_copytobuf_contig; - sc->sc_copyfrombuf = lance_copyfrombuf_contig; - sc->sc_zerobuf = lance_zerobuf_contig; - - sc->sc_rdcsr = le_cbus_rdcsr; - sc->sc_wrcsr = le_cbus_wrcsr; - sc->sc_hwreset = le_cbus_hwreset; - sc->sc_hwinit = NULL; - sc->sc_hwintr = NULL; - sc->sc_nocarrier = NULL; - sc->sc_mediachange = NULL; - sc->sc_mediastatus = NULL; - sc->sc_supmedia = NULL; - - error = am7990_config(&lesc->sc_am7990, device_get_name(dev), - device_get_unit(dev)); - if (error != 0) { - device_printf(dev, "cannot attach Am7990\n"); - goto fail_dmap; - } - - error = bus_setup_intr(dev, lesc->sc_ires, INTR_TYPE_NET | INTR_MPSAFE, - NULL, am7990_intr, sc, &lesc->sc_ih); - if (error != 0) { - device_printf(dev, "cannot set up interrupt\n"); - goto fail_am7990; - } - - return (0); - - fail_am7990: - am7990_detach(&lesc->sc_am7990); - fail_dmap: - bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam); - fail_dmem: - bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam); - fail_dtag: - bus_dma_tag_destroy(lesc->sc_dmat); - fail_pdtag: - bus_dma_tag_destroy(lesc->sc_pdmat); - fail_ires: - bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires); - fail_rres: - bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres); - fail_mtx: - LE_LOCK_DESTROY(sc); - return (error); -} - -static int -le_cbus_detach(device_t dev) -{ - struct le_cbus_softc *lesc; - struct lance_softc *sc; - - lesc = device_get_softc(dev); - sc = &lesc->sc_am7990.lsc; - - bus_teardown_intr(dev, lesc->sc_ires, lesc->sc_ih); - am7990_detach(&lesc->sc_am7990); - bus_dmamap_unload(lesc->sc_dmat, lesc->sc_dmam); - bus_dmamem_free(lesc->sc_dmat, sc->sc_mem, lesc->sc_dmam); - bus_dma_tag_destroy(lesc->sc_dmat); - bus_dma_tag_destroy(lesc->sc_pdmat); - bus_release_resource(dev, SYS_RES_IRQ, lesc->sc_irid, lesc->sc_ires); - bus_release_resource(dev, SYS_RES_IOPORT, lesc->sc_rrid, lesc->sc_rres); - LE_LOCK_DESTROY(sc); - - return (0); -} - -static int -le_cbus_suspend(device_t dev) -{ - struct le_cbus_softc *lesc; - - lesc = device_get_softc(dev); - - lance_suspend(&lesc->sc_am7990.lsc); - - return (0); -} - -static int -le_cbus_resume(device_t dev) -{ - struct le_cbus_softc *lesc; - - lesc = device_get_softc(dev); - - lance_resume(&lesc->sc_am7990.lsc); - - return (0); -} |