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Initial import of an SD/MMC driver for the Winbond W83L518D (and probably

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W83L519D) Integrated Media Reader with PNP bus attachment glue.
This commit is contained in:
jmcneill 2009-09-30 20:44:49 +00:00
parent 89f6fc1189
commit 6c62f91733
8 changed files with 1147 additions and 2 deletions
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7
sys/conf/files
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@ -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 @@ file dev/usb/hid.c hid
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

6
sys/dev/acpi/files.acpi
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@ -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 @@ file dev/acpi/thinkpad_acpi.c thinkpad
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

159
sys/dev/acpi/wb_acpi.c Normal file
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@ -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>
* 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;
}

139
sys/dev/ic/w83l518d.c Normal file
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@ -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>
* 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);
break;
case WB_DEVNO_MS:
aprint_verbose_dev(wb->wb_dev,
"Memory Stick Reader (not supported)\n");
break;
case WB_DEVNO_SC:
aprint_verbose_dev(wb->wb_dev,
"Smart Card Reader (not supported)\n");
break;
case WB_DEVNO_GPIO:
aprint_verbose_dev(wb->wb_dev,
"GPIO (not supported)\n");
break;
}
}
int
wb_detach(struct wb_softc *wb, int flags)
{
switch (wb->wb_type) {
case WB_DEVNO_SD:
wb_sdmmc_detach(wb, flags);
break;
}
return 0;
}
/*
* intr handler
*/
int
wb_intr(void *opaque)
{
struct wb_softc *wb = opaque;
switch (wb->wb_type) {
case WB_DEVNO_SD:
return wb_sdmmc_intr(wb);
break;
}
return 0;
}

576
sys/dev/ic/w83l518d_sdmmc.c Normal file
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@ -0,0 +1,576 @@
/* $NetBSD: w83l518d_sdmmc.c,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
/*
* Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
* 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_sdmmc.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/sdmmc/sdmmcvar.h>
#include <dev/sdmmc/sdmmcchip.h>
#include <dev/sdmmc/sdmmc_ioreg.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>
/* #define WB_SDMMC_DEBUG */
#ifdef WB_SDMMC_DEBUG
static int wb_sdmmc_debug = 1;
#else
static int wb_sdmmc_debug = 0;
#endif
#if defined(__NetBSD__) && __NetBSD_Version__ < 599000600
#define snprintb(b, l, f, v) bitmask_snprintf((v), (f), (b), (l))
#endif
#define REPORT(_wb, ...) \
if (wb_sdmmc_debug > 0) \
aprint_normal_dev(((struct wb_softc *)(_wb))->wb_dev, \
__VA_ARGS__)
static int wb_sdmmc_host_reset(sdmmc_chipset_handle_t);
static uint32_t wb_sdmmc_host_ocr(sdmmc_chipset_handle_t);
static int wb_sdmmc_host_maxblklen(sdmmc_chipset_handle_t);
static int wb_sdmmc_card_detect(sdmmc_chipset_handle_t);
static int wb_sdmmc_write_protect(sdmmc_chipset_handle_t);
static int wb_sdmmc_bus_power(sdmmc_chipset_handle_t, uint32_t);
static int wb_sdmmc_bus_clock(sdmmc_chipset_handle_t, int);
static int wb_sdmmc_bus_width(sdmmc_chipset_handle_t, int);
static void wb_sdmmc_exec_command(sdmmc_chipset_handle_t,
struct sdmmc_command *);
static void wb_sdmmc_card_enable_intr(sdmmc_chipset_handle_t, int);
static void wb_sdmmc_card_intr_ack(sdmmc_chipset_handle_t);
static struct sdmmc_chip_functions wb_sdmmc_chip_functions = {
.host_reset = wb_sdmmc_host_reset,
.host_ocr = wb_sdmmc_host_ocr,
.host_maxblklen = wb_sdmmc_host_maxblklen,
.card_detect = wb_sdmmc_card_detect,
.write_protect = wb_sdmmc_write_protect,
.bus_power = wb_sdmmc_bus_power,
.bus_clock = wb_sdmmc_bus_clock,
.bus_width = wb_sdmmc_bus_width,
.exec_command = wb_sdmmc_exec_command,
.card_enable_intr = wb_sdmmc_card_enable_intr,
.card_intr_ack = wb_sdmmc_card_intr_ack,
};
static void
wb_sdmmc_read_data(struct wb_softc *wb, uint8_t *data, int len)
{
bus_space_read_multi_1(wb->wb_iot, wb->wb_ioh, WB_SD_FIFO, data, len);
}
static void
wb_sdmmc_write_data(struct wb_softc *wb, uint8_t *data, int len)
{
bus_space_write_multi_1(wb->wb_iot, wb->wb_ioh, WB_SD_FIFO, data, len);
}
static void
wb_sdmmc_discover(void *opaque)
{
struct wb_softc *wb = opaque;
REPORT(wb, "TRACE: discover(wb)\n");
sdmmc_needs_discover(wb->wb_sdmmc_dev);
}
static bool
wb_sdmmc_enable(struct wb_softc *wb)
{
int i = 5000;
REPORT(wb, "TRACE: enable(wb)\n");
/* put the device in a known state */
wb_idx_write(wb, WB_INDEX_SETUP, WB_SETUP_SOFT_RST);
while (--i > 0 && wb_idx_read(wb, WB_INDEX_SETUP) & WB_SETUP_SOFT_RST)
delay(10);
if (i == 0) {
aprint_error_dev(wb->wb_dev, "timeout resetting device\n");
return false;
}
wb_idx_write(wb, WB_INDEX_CLK, WB_CLK_375K);
wb_idx_write(wb, WB_INDEX_FIFOEN, 0);
wb_idx_write(wb, WB_INDEX_DMA, 0);
wb_idx_write(wb, WB_INDEX_PBSMSB, 0);
wb_idx_write(wb, WB_INDEX_PBSLSB, 0);
/* drain FIFO */
while ((wb_read(wb, WB_SD_FIFOSTS) & WB_FIFO_EMPTY) == 0)
wb_read(wb, WB_SD_FIFO);
wb_write(wb, WB_SD_CSR, 0);
wb_write(wb, WB_SD_INTCTL, WB_INT_DEFAULT);
wb_sdmmc_card_detect(wb);
return true;
}
static bool
wb_sdmmc_disable(struct wb_softc *wb)
{
uint8_t val;
REPORT(wb, "TRACE: disable(wb)\n");
val = wb_read(wb, WB_SD_CSR);
val |= WB_CSR_POWER_N;
wb_write(wb, WB_SD_CSR, val);
return true;
}
void
wb_sdmmc_attach(struct wb_softc *wb)
{
struct sdmmcbus_attach_args saa;
callout_init(&wb->wb_sdmmc_callout, 0);
callout_setfunc(&wb->wb_sdmmc_callout, wb_sdmmc_discover, wb);
wb->wb_sdmmc_width = 1;
if (wb_sdmmc_enable(wb) == false)
return;
memset(&saa, 0, sizeof(saa));
saa.saa_busname = "sdmmc";
saa.saa_sct = &wb_sdmmc_chip_functions;
saa.saa_sch = wb;
saa.saa_clkmin = 375;
saa.saa_clkmax = 24000;
saa.saa_caps = SMC_CAPS_4BIT_MODE;
wb->wb_sdmmc_dev = config_found(wb->wb_dev, &saa, NULL);
}
int
wb_sdmmc_detach(struct wb_softc *wb, int flags)
{
int rv;
if (wb->wb_sdmmc_dev) {
rv = config_detach(wb->wb_sdmmc_dev, flags);
if (rv)
return rv;
}
wb_sdmmc_disable(wb);
callout_halt(&wb->wb_sdmmc_callout, NULL);
callout_destroy(&wb->wb_sdmmc_callout);
return 0;
}
/*
* SD/MMC interface
*/
static int
wb_sdmmc_host_reset(sdmmc_chipset_handle_t sch)
{
REPORT(sch, "TRACE: sdmmc/host_reset(wb)\n");
return 0;
}
static uint32_t
wb_sdmmc_host_ocr(sdmmc_chipset_handle_t sch)
{
REPORT(sch, "TRACE: sdmmc/host_ocr(wb)\n");
return MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V;
}
static int
wb_sdmmc_host_maxblklen(sdmmc_chipset_handle_t sch)
{
REPORT(sch, "TRACE: sdmmc/host_maxblklen(wb)\n");
return 512; /* XXX */
}
static int
wb_sdmmc_card_detect(sdmmc_chipset_handle_t sch)
{
struct wb_softc *wb = sch;
int rv;
wb_led(wb, true);
rv = (wb_read(wb, WB_SD_CSR) & WB_CSR_CARD_PRESENT) ? 1 : 0;
wb_led(wb, false);
REPORT(wb, "TRACE: sdmmc/card_detect(wb) -> %d\n", rv);
return rv;
}
static int
wb_sdmmc_write_protect(sdmmc_chipset_handle_t sch)
{
struct wb_softc *wb = sch;
int rv;
wb_led(wb, true);
rv = (wb_read(wb, WB_SD_CSR) & WB_CSR_WRITE_PROTECT) ? 1 : 0;
wb_led(wb, false);
REPORT(wb, "TRACE: sdmmc/write_protect(wb) -> %d\n", rv);
return rv;
}
static int
wb_sdmmc_bus_power(sdmmc_chipset_handle_t sch, uint32_t ocr)
{
REPORT(sch, "TRACE: sdmmc/bus_power(wb, ocr=%d)\n", ocr);
return 0;
}
static int
wb_sdmmc_bus_clock(sdmmc_chipset_handle_t sch, int freq)
{
struct wb_softc *wb = sch;
uint8_t clk;
REPORT(wb, "TRACE: sdmmc/bus_clock(wb, freq=%d)\n", freq);
if (freq >= 24000)
clk = WB_CLK_24M;
else if (freq >= 16000)
clk = WB_CLK_16M;
else if (freq >= 12000)
clk = WB_CLK_12M;
else
clk = WB_CLK_375K;
if (wb_idx_read(wb, WB_INDEX_CLK) != clk)
wb_idx_write(wb, WB_INDEX_CLK, clk);
return 0;
}
static int
wb_sdmmc_bus_width(sdmmc_chipset_handle_t sch, int width)
{
struct wb_softc *wb = sch;
REPORT(wb, "TRACE: sdmmc/bus_width(wb, width=%d)\n", width);
if (width != 1 && width != 4)
return 1;
wb->wb_sdmmc_width = width;
return 0;
}
static void
wb_sdmmc_rsp_read_long(struct wb_softc *wb, struct sdmmc_command *cmd)
{
uint8_t *p = (uint8_t *)cmd->c_resp;
int i;
if (wb_idx_read(wb, WB_INDEX_RESPLEN) != 1) {
cmd->c_error = ENXIO;
return;
}
for (i = 12; i >= 0; i -= 4) {
p[3] = wb_idx_read(wb, WB_INDEX_RESP(i + 0));
p[2] = wb_idx_read(wb, WB_INDEX_RESP(i + 1));
p[1] = wb_idx_read(wb, WB_INDEX_RESP(i + 2));
p[0] = wb_idx_read(wb, WB_INDEX_RESP(i + 3));
p += 4;
}
}
static void
wb_sdmmc_rsp_read_short(struct wb_softc *wb, struct sdmmc_command *cmd)
{
uint8_t *p = (uint8_t *)cmd->c_resp;
if (wb_idx_read(wb, WB_INDEX_RESPLEN) != 0) {
cmd->c_error = ENXIO;
return;
}
p[3] = wb_idx_read(wb, WB_INDEX_RESP(12));
p[2] = wb_idx_read(wb, WB_INDEX_RESP(13));
p[1] = wb_idx_read(wb, WB_INDEX_RESP(14));
p[0] = wb_idx_read(wb, WB_INDEX_RESP(15));
}
static int
wb_sdmmc_transfer_data(struct wb_softc *wb, struct sdmmc_command *cmd)
{
uint8_t fifosts;
int datalen, retry = 5000;
if (wb->wb_sdmmc_intsts & WB_INT_CARD)
return EIO;
fifosts = wb_read(wb, WB_SD_FIFOSTS);
if (ISSET(cmd->c_flags, SCF_CMD_READ)) {
if (fifosts & WB_FIFO_EMPTY) {
while (--retry > 0) {
fifosts = wb_read(wb, WB_SD_FIFOSTS);
if ((fifosts & WB_FIFO_EMPTY) == 0)
break;
delay(100);
}
if (retry == 0)
return EBUSY;
}
if (fifosts & WB_FIFO_FULL)
datalen = 16;
else
datalen = fifosts & WB_FIFO_DEPTH_MASK;
} else {
if (fifosts & WB_FIFO_FULL) {
while (--retry > 0) {
fifosts = wb_read(wb, WB_SD_FIFOSTS);
if ((fifosts & WB_FIFO_FULL) == 0)
break;
delay(100);
}
if (retry == 0)
return EBUSY;
}
if (fifosts & WB_FIFO_EMPTY)
datalen = 16;
else
datalen = 16 - (fifosts & WB_FIFO_DEPTH_MASK);
}
datalen = MIN(datalen, cmd->c_resid);
if (datalen > 0) {
if (ISSET(cmd->c_flags, SCF_CMD_READ))
wb_sdmmc_read_data(wb, cmd->c_buf, datalen);
else
wb_sdmmc_write_data(wb, cmd->c_buf, datalen);
cmd->c_buf += datalen;
cmd->c_resid -= datalen;
}
return 0;
}
static void
wb_sdmmc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
{
static const int opcodes[] = {
11, 17, 18, 20, 24, 25, 26, 27, 30, 42, 51, 56
};
struct wb_softc *wb = sch;
uint8_t val;
int blklen;
int error;
int i, retry;
int s;
REPORT(wb, "TRACE: sdmmc/exec_command(wb, cmd) "
"opcode %d flags 0x%x data %p datalen %d\n",
cmd->c_opcode, cmd->c_flags, cmd->c_data, cmd->c_datalen);
if (cmd->c_datalen > 0) {
/* controller only supports a select number of data opcodes */
for (i = 0; i < __arraycount(opcodes); i++)
if (opcodes[i] == cmd->c_opcode)
break;
if (i == __arraycount(opcodes)) {
cmd->c_error = EINVAL;
goto done;
}
/* Fragment the data into proper blocks */
blklen = MIN(cmd->c_datalen, cmd->c_blklen);
if (cmd->c_datalen % blklen > 0) {
aprint_error_dev(wb->wb_dev,
"data is not a multiple of %u bytes\n", blklen);
cmd->c_error = EINVAL;
goto done;
}
/* setup block size registers */
blklen = blklen + 2 * wb->wb_sdmmc_width;
wb_idx_write(wb, WB_INDEX_PBSMSB,
((blklen >> 4) & 0xf0) | (wb->wb_sdmmc_width / 4));
wb_idx_write(wb, WB_INDEX_PBSLSB, blklen & 0xff);
/* clear FIFO */
val = wb_idx_read(wb, WB_INDEX_SETUP);
val |= WB_SETUP_FIFO_RST;
wb_idx_write(wb, WB_INDEX_SETUP, val);
while (wb_idx_read(wb, WB_INDEX_SETUP) & WB_SETUP_FIFO_RST)
;
cmd->c_resid = cmd->c_datalen;
cmd->c_buf = cmd->c_data;
/* setup FIFO thresholds */
if (ISSET(cmd->c_flags, SCF_CMD_READ))
wb_idx_write(wb, WB_INDEX_FIFOEN, WB_FIFOEN_FULL | 8);
else {
wb_idx_write(wb, WB_INDEX_FIFOEN, WB_FIFOEN_EMPTY | 8);
/* pre-fill the FIFO on write */
error = wb_sdmmc_transfer_data(wb, cmd);
if (error) {
cmd->c_error = error;
goto done;
}
}
}
s = splsdmmc();
wb->wb_sdmmc_intsts = 0;
wb_write(wb, WB_SD_COMMAND, cmd->c_opcode);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 24) & 0xff);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 16) & 0xff);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 8) & 0xff);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 0) & 0xff);
splx(s);
retry = 100000;
while (wb_idx_read(wb, WB_INDEX_STATUS) & WB_STATUS_CARD_TRAFFIC) {
if (--retry == 0)
break;
delay(1);
}
if (wb_idx_read(wb, WB_INDEX_STATUS) & WB_STATUS_CARD_TRAFFIC) {
REPORT(wb,
"command timed out, WB_INDEX_STATUS = 0x%02x\n",
wb_idx_read(wb, WB_INDEX_STATUS));
cmd->c_error = ETIMEDOUT;
goto done;
}
if (ISSET(cmd->c_flags, SCF_RSP_PRESENT)) {
if (wb->wb_sdmmc_intsts & WB_INT_TIMEOUT) {
cmd->c_error = ETIMEDOUT;
goto done;
}
if (ISSET(cmd->c_flags, SCF_RSP_136))
wb_sdmmc_rsp_read_long(wb, cmd);
else
wb_sdmmc_rsp_read_short(wb, cmd);
}
if (cmd->c_error == 0 && cmd->c_datalen > 0) {
wb_led(wb, true);
while (cmd->c_resid > 0) {
error = wb_sdmmc_transfer_data(wb, cmd);
if (error) {
cmd->c_error = error;
break;
}
}
wb_led(wb, false);
}
done:
SET(cmd->c_flags, SCF_ITSDONE);
if (cmd->c_error) {
REPORT(wb,
"cmd error = %d, op = %d [%s] "
"blklen %d datalen %d resid %d\n",
cmd->c_error, cmd->c_opcode,
ISSET(cmd->c_flags, SCF_CMD_READ) ? "rd" : "wr",
cmd->c_blklen, cmd->c_datalen, cmd->c_resid);
}
}
static void
wb_sdmmc_card_enable_intr(sdmmc_chipset_handle_t sch, int enable)
{
REPORT(sch, "TRACE: sdmmc/card_enable_intr(wb, enable=%d)\n", enable);
}
static void
wb_sdmmc_card_intr_ack(sdmmc_chipset_handle_t sch)
{
REPORT(sch, "TRACE: sdmmc/card_intr_ack(wb)\n");
}
/*
* intr handler
*/
int
wb_sdmmc_intr(struct wb_softc *wb)
{
uint8_t val;
val = wb_read(wb, WB_SD_INTSTS);
if (val == 0xff || val == 0x00)
return 0;
if (wb->wb_sdmmc_dev == NULL)
return 1;
wb->wb_sdmmc_intsts |= val;
if (wb_sdmmc_debug) {
char buf[64];
snprintb(buf, sizeof(buf),
"\20\1TC\2BUSYEND\3PROGEND\4TIMEOUT"
"\5CRC\6FIFO\7CARD\010PENDING",
val);
REPORT(wb, "WB_SD_INTSTS = %s\n", buf);
}
if (val & WB_INT_CARD)
callout_schedule(&wb->wb_sdmmc_callout, hz / 4);
return 1;
}

35
sys/dev/ic/w83l518d_sdmmc.h Normal file
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/* $NetBSD: w83l518d_sdmmc.h,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
/*
* Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
* 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.
*/
#ifndef _SYS_DEV_IC_W83L518D_SDMMC_H
#define _SYS_DEV_IC_W83L518D_SDMMC_H
void wb_sdmmc_attach(struct wb_softc *);
int wb_sdmmc_detach(struct wb_softc *, int);
int wb_sdmmc_intr(struct wb_softc *);
#endif

168
sys/dev/ic/w83l518dreg.h Normal file
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/* $NetBSD: w83l518dreg.h,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
/*
* Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
* 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.
*/
#ifndef _SYS_DEV_IC_W83L518DREG_H
#define _SYS_DEV_IC_W83L518DREG_H
/*
* Global Registers
*/
#define WB_REG_RESET 0x02
#define WB_RESET_SWRST 0x01 /* software reset */
#define WB_REG_DEVNO 0x07
#define WB_DEVNO_SC 0x00 /* Smart Card interface */
#define WB_DEVNO_MS 0x01 /* Memory Stick interface */
#define WB_DEVNO_GPIO 0x02 /* GPIO */
#define WB_DEVNO_SD 0x03 /* SD memory card interface */
#define WB_REG_DEVID_HI 0x20
#define WB_REG_DEVID_LO 0x21
#define WB_DEVID_W83L518D 0x7110
#define WB_DEVID_W83L519D 0x7120
#define WB_DEVID_REVISION(id) ((id) & 0xf)
#define WB_REG_POWER 0x22
#define WB_POWER_SC 0x80 /* Smart Card interface */
#define WB_POWER_MS 0x40 /* Memory Stick interface */
#define WB_POWER_SD 0x20 /* SD memory card interface */
#define WB_REG_PME 0x23
#define WB_PME_PME_EN 0x80 /* Global PM event enable */
#define WB_PME_MSPME_EN 0x40 /* MS PM event enable */
#define WB_PME_SDPME_EN 0x20 /* SD PM event enable */
#define WB_PME_SCPME_EN 0x10 /* SC PM event enable */
#define WB_REG_PMESTS 0x24 /* PM event status */
#define WB_PMESTS_MSPME_STS 0x40 /* MS PM event status */
#define WB_PMESTS_SDPME_STS 0x20 /* SD PM event status */
#define WB_PMESTS_SCPME_STS 0x10 /* SC PM event status */
#define WB_REG_CFG 0x26
#define WB_CFG_HEFRAS 0x40 /* Extended func reg addr select */
#define WB_CFG_LOCKREG 0x20 /* Config register access control */
#define WB_REG_MFSEL 0x29 /* Multi-function sel (518 only) */
/*
* Logical Device Interface
*/
#define WB_REG_DEV_EN 0x30
#define WB_DEV_EN_ACTIVE 0x01 /* Logical device active bit */
#define WB_REG_DEV_BASE_HI 0x60
#define WB_REG_DEV_BASE_LO 0x61
#define WB_REG_DEV_IRQ 0x70
#define WB_DEV_IRQ_MASK 0x0f
#define WB_REG_DEV_DRQ 0x74
#define WB_DEV_DRQ_MASK 0x0f
#define WB_REG_DEV_MISC 0xf0
#define WB_DEV_MISC_SCIRQ_SHR 0x80 /* SC: IRQ sharing control */
#define WB_DEV_MISC_SCPSNT_POL 0x01 /* SC: SC present polarity */
#define WB_DEV_MISC_MSIRQ_POLL 0x10 /* MS: IRQ polarity control (level) */
#define WB_DEV_MISC_MSIRQ_POLP 0x08 /* MS: IRQ polarity control (pulse) */
#define WB_DEV_MISC_MSIRQ_SHR 0x04 /* MS: IRQ sharing control */
#define WB_DEV_MISC_MS4OUT_POL 0x02 /* MS: MS4 output polarity control */
#define WB_DEV_MISC_MS4OUT_EN 0x01 /* MS: MS4 output enable */
#define WB_DEV_MISC_SDDATA3_HI 0x20 /* SD: DATA3 pin will output high */
#define WB_DEV_MISC_SDDATA3_OUT 0x10 /* SD: DATA3 pin to output pin */
#define WB_DEV_MISC_SDGP11_HI 0x04 /* SD: GP11 card-detect pin pole */
#define WB_DEV_MISC_SDGP11_DET 0x02 /* SD: GP11 card-detect enable */
#define WB_DEV_MISC_SDDATA3_DET 0x01 /* SD: DATA3 card-detect enable */
#define WB_REG_DEV_IRQCFG 0xf1
#define WB_DEV_IRQCFG_HI_L 0x08
#define WB_DEV_IRQCFG_HI_P 0x04
#define WB_DEV_IRQCFG_MODE 0x02
#define WB_DEV_IRQCFG_DEBOUNCE 0x01
/*
* SD Card interface registers
*/
#define WB_SD_COMMAND 0x00
#define WB_SD_FIFO 0x01
#define WB_SD_INTCTL 0x02
#define WB_SD_INTSTS 0x03
#define WB_INT_PENDING 0x80
#define WB_INT_CARD 0x40
#define WB_INT_FIFO 0x20
#define WB_INT_CRC 0x10
#define WB_INT_TIMEOUT 0x08
#define WB_INT_PROGEND 0x04
#define WB_INT_BUSYEND 0x02
#define WB_INT_TC 0x01
#define WB_INT_DEFAULT \
(WB_INT_CARD|WB_INT_FIFO|WB_INT_CRC|WB_INT_TIMEOUT)
#define WB_SD_FIFOSTS 0x04
#define WB_FIFO_EMPTY 0x80
#define WB_FIFO_FULL 0x40
#define WB_FIFO_EMPTY_THRES 0x20
#define WB_FIFO_FULL_THRES 0x10
#define WB_FIFO_DEPTH_MASK 0x0f
#define WB_SD_INDEX 0x05
#define WB_INDEX_CLK 0x01
#define WB_CLK_375K 0x00
#define WB_CLK_12M 0x01
#define WB_CLK_16M 0x02
#define WB_CLK_24M 0x03
#define WB_INDEX_PBSMSB 0x02
#define WB_INDEX_TAAC 0x03
#define WB_INDEX_NSAC 0x04
#define WB_INDEX_PBSLSB 0x05
#define WB_INDEX_SETUP 0x06
#define WB_SETUP_DATA3_HI 0x08
#define WB_SETUP_FIFO_RST 0x04
#define WB_SETUP_SOFT_RST 0x02
#define WB_INDEX_DMA 0x07
#define WB_INDEX_FIFOEN 0x08
#define WB_FIFOEN_EMPTY 0x20
#define WB_FIFOEN_FULL 0x10
#define WB_INDEX_STATUS 0x10
#define WB_STATUS_BLOCK_READ 0x80
#define WB_STATUS_BLOCK_WRITE 0x40
#define WB_STATUS_BUSY 0x20
#define WB_STATUS_CARD_TRAFFIC 0x04
#define WB_STATUS_SEND_COMMAND 0x02
#define WB_STATUS_RECV_RES 0x01
#define WB_INDEX_RESPLEN 0x1e
#define WB_INDEX_RESP(n) (0x1f + (n))
#define WB_INDEX_CRCSTS 0x30
#define WB_INDEX_ISR 0x3f
#define WB_SD_DATA 0x06
#define WB_SD_CSR 0x07
#define WB_CSR_MS_LED 0x20
#define WB_CSR_POWER_N 0x10
#define WB_CSR_WRITE_PROTECT 0x04
#define WB_CSR_CARD_PRESENT 0x01
#endif

59
sys/dev/ic/w83l518dvar.h Normal file
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/* $NetBSD: w83l518dvar.h,v 1.1 2009/09/30 20:44:50 jmcneill Exp $ */
/*
* Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
* 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.
*/
#ifndef _SYS_DEV_IC_W83L518DVAR_H
#define _SYS_DEV_IC_W83L518DVAR_H
struct wb_softc {
device_t wb_dev;
/* to be filled in by bus driver */
bus_space_tag_t wb_iot;
bus_space_handle_t wb_ioh;
uint8_t wb_type;
uint16_t wb_base;
uint8_t wb_irq;
/* private */
device_t wb_sdmmc_dev;
int wb_sdmmc_width;
uint8_t wb_sdmmc_intsts;
callout_t wb_sdmmc_callout;
};
void wb_attach(struct wb_softc *);
int wb_detach(struct wb_softc *, int);
int wb_intr(void *);
uint8_t wb_read(struct wb_softc *, uint8_t);
void wb_write(struct wb_softc *, uint8_t, uint8_t);
uint8_t wb_idx_read(struct wb_softc *, uint8_t);
void wb_idx_write(struct wb_softc *, uint8_t, uint8_t);
void wb_led(struct wb_softc *, bool);
#endif