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[src/trunk]: src/sys Initial import of an SD/MMC driver for the Winbond W83L5...



details:   https://anonhg.NetBSD.org/src/rev/48ec87261e73
branches:  trunk
changeset: 747741:48ec87261e73
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Wed Sep 30 20:44:49 2009 +0000

description:
Initial import of an SD/MMC driver for the Winbond W83L518D (and probably
W83L519D) Integrated Media Reader with PNP bus attachment glue.

diffstat:

 sys/conf/files              |    7 +-
 sys/dev/acpi/files.acpi     |    6 +-
 sys/dev/acpi/wb_acpi.c      |  159 ++++++++++++
 sys/dev/ic/w83l518d.c       |  139 ++++++++++
 sys/dev/ic/w83l518d_sdmmc.c |  576 ++++++++++++++++++++++++++++++++++++++++++++
 sys/dev/ic/w83l518d_sdmmc.h |   35 ++
 sys/dev/ic/w83l518dreg.h    |  168 ++++++++++++
 sys/dev/ic/w83l518dvar.h    |   59 ++++
 8 files changed, 1147 insertions(+), 2 deletions(-)

diffs (truncated from 1198 to 300 lines):

diff -r 2d96604b2ffb -r 48ec87261e73 sys/conf/files
--- a/sys/conf/files    Wed Sep 30 18:22:29 2009 +0000
+++ b/sys/conf/files    Wed Sep 30 20:44:49 2009 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files,v 1.957 2009/09/26 19:05:07 jakllsch Exp $
+#      $NetBSD: files,v 1.958 2009/09/30 20:44:49 jmcneill Exp $
 #      @(#)files.newconf       7.5 (Berkeley) 5/10/93
 
 version        20090313
@@ -1147,6 +1147,11 @@
 device sdhc: sdmmcbus
 file   dev/sdmmc/sdhc.c                sdhc                    needs-flag
 
+# Winbond Integrated Media Reader
+device wb: sdmmcbus
+file   dev/ic/w83l518d.c               wb
+file   dev/ic/w83l518d_sdmmc.c         wb
+
 # Myson MTD803 3-in-1 Fast Ethernet Controller
 device mtd: arp, ether, ifnet, mii
 file   dev/ic/mtd803.c                 mtd
diff -r 2d96604b2ffb -r 48ec87261e73 sys/dev/acpi/files.acpi
--- a/sys/dev/acpi/files.acpi   Wed Sep 30 18:22:29 2009 +0000
+++ b/sys/dev/acpi/files.acpi   Wed Sep 30 20:44:49 2009 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.acpi,v 1.58 2009/08/31 14:48:41 cube Exp $
+#      $NetBSD: files.acpi,v 1.59 2009/09/30 20:44:50 jmcneill Exp $
 
 include "dev/acpi/acpica/files.acpica"
 
@@ -141,3 +141,7 @@
 device acpidalb
 attach acpidalb at acpinodebus
 file   dev/acpi/dalb_acpi.c            acpidalb
+
+# Winbond Integrated Media Reader
+attach wb at acpinodebus with wb_acpi
+file   dev/acpi/wb_acpi.c              wb_acpi
diff -r 2d96604b2ffb -r 48ec87261e73 sys/dev/acpi/wb_acpi.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/acpi/wb_acpi.c    Wed Sep 30 20:44:49 2009 +0000
@@ -0,0 +1,159 @@
+/* $NetBSD: wb_acpi.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
+
+/*
+ * Copyright (c) 2009 Jared D. McNeill <jmcneill%invisible.ca@localhost>
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: wb_acpi.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/ioctl.h>
+#include <sys/syslog.h>
+#include <sys/device.h>
+#include <sys/proc.h>
+
+#include <sys/bus.h>
+
+#include <dev/isa/isavar.h>
+#include <dev/isa/isadmavar.h>
+
+#include <dev/acpi/acpica.h>
+#include <dev/acpi/acpireg.h>
+#include <dev/acpi/acpivar.h>
+
+#include <dev/sdmmc/sdmmcvar.h>
+#include <dev/ic/w83l518dvar.h>
+#include <dev/ic/w83l518dreg.h>
+
+static int     wb_acpi_match(device_t, cfdata_t, void *);
+static void    wb_acpi_attach(device_t, device_t, void *);
+static int     wb_acpi_detach(device_t, int);
+
+struct wb_acpi_softc {
+       struct wb_softc sc_wb;
+       isa_chipset_tag_t sc_ic;
+       void *sc_ih;
+       int sc_ioh_length;
+};
+
+CFATTACH_DECL_NEW(wb_acpi, sizeof(struct wb_acpi_softc),
+    wb_acpi_match,
+    wb_acpi_attach,
+    wb_acpi_detach,
+    NULL
+);
+
+static const char * const wb_acpi_ids[] = {
+#if notyet
+       "WEC0515",      /* Memory Stick interface */
+#endif
+       "WEC0517",      /* SD Memory Card interface */
+       NULL
+};
+
+static int
+wb_acpi_match(device_t parent, cfdata_t match, void *opaque)
+{
+       struct acpi_attach_args *aa = opaque;
+
+       if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE)
+               return 0;
+
+       return acpi_match_hid(aa->aa_node->ad_devinfo, wb_acpi_ids);
+}
+
+static void
+wb_acpi_attach(device_t parent, device_t self, void *opaque)
+{
+       struct wb_acpi_softc *sc = device_private(self);
+       struct acpi_attach_args *aa = opaque;
+       struct acpi_resources res;
+       struct acpi_io *io;
+       struct acpi_irq *irq;
+       bus_space_handle_t ioh;
+       ACPI_STATUS rv;
+
+       sc->sc_ic = aa->aa_ic;
+
+       rv = acpi_resource_parse(self, aa->aa_node->ad_handle, "_CRS",
+           &res, &acpi_resource_parse_ops_default);
+       if (ACPI_FAILURE(rv))
+               return;
+
+       io = acpi_res_io(&res, 0);
+       irq = acpi_res_irq(&res, 0);
+       if (io == NULL || irq == NULL) {
+               aprint_error_dev(self, "incomplete resources\n");
+               goto cleanup;
+       }
+
+       if (bus_space_map(aa->aa_iot, io->ar_base, io->ar_length, 0, &ioh)) {
+               aprint_error_dev(self, "couldn't map registers\n");
+               goto cleanup;
+       }
+       sc->sc_ioh_length = io->ar_length;
+
+       sc->sc_ih = isa_intr_establish(sc->sc_ic, irq->ar_irq,
+           (irq->ar_type == ACPI_EDGE_SENSITIVE) ? IST_EDGE : IST_LEVEL,
+           IPL_SDMMC, wb_intr, &sc->sc_wb);
+       if (sc->sc_ih == NULL) {
+               aprint_error_dev(self,
+                   "couldn't establish interrupt handler\n");
+               goto cleanup;
+       }
+
+       sc->sc_wb.wb_dev = self;
+       sc->sc_wb.wb_type = WB_DEVNO_SD;
+       sc->sc_wb.wb_iot = aa->aa_iot;
+       sc->sc_wb.wb_ioh = ioh;
+       sc->sc_wb.wb_irq = irq->ar_irq;
+       sc->sc_wb.wb_base = io->ar_base;
+       wb_attach(&sc->sc_wb);
+       
+cleanup:
+       acpi_resource_cleanup(&res);
+}
+
+static int
+wb_acpi_detach(device_t self, int flags)
+{
+       struct wb_acpi_softc *sc = device_private(self);
+       int rv;
+
+       rv = wb_detach(&sc->sc_wb, flags);
+       if (rv)
+               return rv;
+
+       if (sc->sc_ih)
+               isa_intr_disestablish(sc->sc_ic, sc->sc_ih);
+
+       if (sc->sc_ioh_length > 0)
+               bus_space_unmap(sc->sc_wb.wb_iot, sc->sc_wb.wb_ioh,
+                   sc->sc_ioh_length);
+
+       return 0;
+}
diff -r 2d96604b2ffb -r 48ec87261e73 sys/dev/ic/w83l518d.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/ic/w83l518d.c     Wed Sep 30 20:44:49 2009 +0000
@@ -0,0 +1,139 @@
+/* $NetBSD: w83l518d.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
+
+/*
+ * Copyright (c) 2009 Jared D. McNeill <jmcneill%invisible.ca@localhost>
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: w83l518d.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+#include <sys/errno.h>
+#include <sys/ioctl.h>
+#include <sys/syslog.h>
+#include <sys/device.h>
+#include <sys/proc.h>
+
+#include <sys/bus.h>
+
+#include <dev/isa/isavar.h>
+#include <dev/isa/isadmavar.h>
+
+#include <dev/ic/w83l518dreg.h>
+#include <dev/ic/w83l518dvar.h>
+#include <dev/ic/w83l518d_sdmmc.h>
+
+uint8_t
+wb_idx_read(struct wb_softc *wb, uint8_t reg)
+{
+       bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
+       return bus_space_read_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA);
+}
+
+void
+wb_idx_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
+{
+       bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_INDEX, reg);
+       bus_space_write_1(wb->wb_iot, wb->wb_ioh, WB_SD_DATA, val);
+}
+
+uint8_t
+wb_read(struct wb_softc *wb, uint8_t reg)
+{
+       return bus_space_read_1(wb->wb_iot, wb->wb_ioh, reg);
+}
+
+void
+wb_write(struct wb_softc *wb, uint8_t reg, uint8_t val)
+{
+       bus_space_write_1(wb->wb_iot, wb->wb_ioh, reg, val);
+}
+
+void
+wb_led(struct wb_softc *wb, bool enable)
+{
+       uint8_t val;
+
+       val = wb_read(wb, WB_SD_CSR);
+       if (enable)
+               val |= WB_CSR_MS_LED;
+       else
+               val &= ~WB_CSR_MS_LED;
+       wb_write(wb, WB_SD_CSR, val);
+}
+
+void
+wb_attach(struct wb_softc *wb)
+{
+       switch (wb->wb_type) {
+       case WB_DEVNO_SD:
+               aprint_verbose_dev(wb->wb_dev,
+                   "SD/MMC Reader\n");
+               wb_sdmmc_attach(wb);



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