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dwmmc: Fully subclass driver

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Fully subclass the dwmmc driver and split every driver into multiple files.

There is still a few quirks in the dwmmc driver that will need some work.

Tested On: Pine64 Rock64

Differential Revision:	https://reviews.freebsd.org/D13615
This commit is contained in:
Emmanuel Vadot 2017-12-30 22:01:17 +00:00
parent 01d1c9d889
commit 74e0613ead
9 changed files with 337 additions and 84 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
sys/arm/altera/socfpga/files.socfpga
View File

@ -10,6 +10,7 @@ arm/altera/socfpga/socfpga_mp.c optional smp
arm/altera/socfpga/socfpga_gpio.c optional gpio
dev/mmc/host/dwmmc.c optional dwmmc
dev/mmc/host/dwmmc_altera.c optional dwmmc
# Arria 10
arm/altera/socfpga/socfpga_a10_manager.c standard

1
sys/arm/rockchip/files.rk30xx
View File

@ -9,3 +9,4 @@ arm/rockchip/rk30xx_gpio.c optional gpio
arm/rockchip/rk30xx_mp.c optional smp
dev/mmc/host/dwmmc.c optional dwmmc
dev/mmc/host/dwmmc_rockchip.c optional dwmmc

1
sys/arm/samsung/exynos/files.exynos5
View File

@ -22,3 +22,4 @@ arm/samsung/exynos/chrome_ec_spi.c optional chrome_ec_spi
arm/samsung/exynos/chrome_kb.c optional chrome_kb
dev/mmc/host/dwmmc.c optional dwmmc
dev/mmc/host/dwmmc_samsung.c optional dwmmc

85
sys/dev/mmc/host/dwmmc.c
View File

@ -131,13 +131,6 @@ static struct resource_spec dwmmc_spec[] = {
#define HWTYPE_MASK (0x0000ffff)
#define HWFLAG_MASK (0xffff << 16)
static struct ofw_compat_data compat_data[] = {
{"altr,socfpga-dw-mshc", HWTYPE_ALTERA},
{"samsung,exynos5420-dw-mshc", HWTYPE_EXYNOS},
{"rockchip,rk2928-dw-mshc", HWTYPE_ROCKCHIP},
{NULL, HWTYPE_NONE},
};
static void
dwmmc_get1paddr(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
{
@ -448,52 +441,9 @@ parse_fdt(struct dwmmc_softc *sc)
sc->bus_hz = dts_value[0];
}
/*
* Platform-specific stuff
* XXX: Move to separate file
*/
if ((sc->hwtype & HWTYPE_MASK) != HWTYPE_EXYNOS)
return (0);
if ((len = OF_getproplen(node, "samsung,dw-mshc-ciu-div")) <= 0)
return (ENXIO);
OF_getencprop(node, "samsung,dw-mshc-ciu-div", dts_value, len);
sc->sdr_timing = (dts_value[0] << SDMMC_CLKSEL_DIVIDER_SHIFT);
sc->ddr_timing = (dts_value[0] << SDMMC_CLKSEL_DIVIDER_SHIFT);
if ((len = OF_getproplen(node, "samsung,dw-mshc-sdr-timing")) <= 0)
return (ENXIO);
OF_getencprop(node, "samsung,dw-mshc-sdr-timing", dts_value, len);
sc->sdr_timing |= ((dts_value[0] << SDMMC_CLKSEL_SAMPLE_SHIFT) |
(dts_value[1] << SDMMC_CLKSEL_DRIVE_SHIFT));
if ((len = OF_getproplen(node, "samsung,dw-mshc-ddr-timing")) <= 0)
return (ENXIO);
OF_getencprop(node, "samsung,dw-mshc-ddr-timing", dts_value, len);
sc->ddr_timing |= ((dts_value[0] << SDMMC_CLKSEL_SAMPLE_SHIFT) |
(dts_value[1] << SDMMC_CLKSEL_DRIVE_SHIFT));
return (0);
}
static int
dwmmc_probe(device_t dev)
{
uintptr_t hwtype;
if (!ofw_bus_status_okay(dev))
return (ENXIO);
hwtype = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
if (hwtype == HWTYPE_NONE)
return (ENXIO);
device_set_desc(dev, "Synopsys DesignWare Mobile "
"Storage Host Controller");
return (BUS_PROBE_DEFAULT);
}
int
dwmmc_attach(device_t dev)
{
@ -504,10 +454,6 @@ dwmmc_attach(device_t dev)
sc = device_get_softc(dev);
sc->dev = dev;
if (sc->hwtype == HWTYPE_NONE) {
sc->hwtype =
ofw_bus_search_compatible(dev, compat_data)->ocd_data;
}
/* Why not to use Auto Stop? It save a hundred of irq per second */
sc->use_auto_stop = 1;
@ -539,19 +485,6 @@ dwmmc_attach(device_t dev)
if (sc->desc_count == 0)
sc->desc_count = DESC_MAX;
if ((sc->hwtype & HWTYPE_MASK) == HWTYPE_ROCKCHIP) {
sc->use_pio = 1;
sc->pwren_inverted = 1;
} else if ((sc->hwtype & HWTYPE_MASK) == HWTYPE_EXYNOS) {
WRITE4(sc, EMMCP_MPSBEGIN0, 0);
WRITE4(sc, EMMCP_SEND0, 0);
WRITE4(sc, EMMCP_CTRL0, (MPSCTRL_SECURE_READ_BIT |
MPSCTRL_SECURE_WRITE_BIT |
MPSCTRL_NON_SECURE_READ_BIT |
MPSCTRL_NON_SECURE_WRITE_BIT |
MPSCTRL_VALID));
}
/* XXX: we support operation for slot index 0 only */
slot = 0;
if (sc->pwren_inverted) {
@ -1154,9 +1087,6 @@ dwmmc_write_ivar(device_t bus, device_t child, int which, uintptr_t value)
}
static device_method_t dwmmc_methods[] = {
DEVMETHOD(device_probe, dwmmc_probe),
DEVMETHOD(device_attach, dwmmc_attach),
/* Bus interface */
DEVMETHOD(bus_read_ivar, dwmmc_read_ivar),
DEVMETHOD(bus_write_ivar, dwmmc_write_ivar),
@ -1171,16 +1101,5 @@ static device_method_t dwmmc_methods[] = {
DEVMETHOD_END
};
driver_t dwmmc_driver = {
"dwmmc",
dwmmc_methods,
sizeof(struct dwmmc_softc),
};
static devclass_t dwmmc_devclass;
DRIVER_MODULE(dwmmc, simplebus, dwmmc_driver, dwmmc_devclass, NULL, NULL);
DRIVER_MODULE(dwmmc, ofwbus, dwmmc_driver, dwmmc_devclass, NULL, NULL);
#ifndef MMCCAM
MMC_DECLARE_BRIDGE(dwmmc);
#endif
DEFINE_CLASS_0(dwmmc, dwmmc_driver, dwmmc_methods,
sizeof(struct dwmmc_softc));

95
sys/dev/mmc/host/dwmmc_altera.c Normal file
View File

@ -0,0 +1,95 @@
/*
* Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <dev/mmc/bridge.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/mmc/host/dwmmc_var.h>
static struct ofw_compat_data compat_data[] = {
{"altr,socfpga-dw-mshc", 1},
{NULL, 0},
};
static int
altera_dwmmc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
device_set_desc(dev, "Synopsys DesignWare Mobile "
"Storage Host Controller (Altera)");
return (BUS_PROBE_VENDOR);
}
static int
altera_dwmmc_attach(device_t dev)
{
struct dwmmc_softc *sc;
sc = device_get_softc(dev);
sc->hwtype = HWTYPE_ALTERA;
return (dwmmc_attach(dev));
}
static device_method_t altera_dwmmc_methods[] = {
/* bus interface */
DEVMETHOD(device_probe, altera_dwmmc_probe),
DEVMETHOD(device_attach, altera_dwmmc_attach),
DEVMETHOD_END
};
static devclass_t altera_dwmmc_devclass;
DEFINE_CLASS_1(altera_dwmmc, altera_dwmmc_driver, altera_dwmmc_methods,
sizeof(struct dwmmc_softc), dwmmc_driver);
DRIVER_MODULE(altera_dwmmc, simplebus, altera_dwmmc_driver,
altera_dwmmc_devclass, 0, 0);
DRIVER_MODULE(altera_dwmmc, ofwbus, altera_dwmmc_driver, altera_dwmmc_devclass
, NULL, NULL);
#ifndef MMCCAM
MMC_DECLARE_BRIDGE(altera_dwmmc);
#endif

6
sys/dev/mmc/host/dwmmc_hisi.c
View File

@ -92,5 +92,11 @@ static devclass_t hisi_dwmmc_devclass;
DEFINE_CLASS_1(hisi_dwmmc, hisi_dwmmc_driver, hisi_dwmmc_methods,
sizeof(struct dwmmc_softc), dwmmc_driver);
DRIVER_MODULE(hisi_dwmmc, simplebus, hisi_dwmmc_driver,
hisi_dwmmc_devclass, 0, 0);
DRIVER_MODULE(hisi_dwmmc, ofwbus, hisi_dwmmc_driver, hisi_dwmmc_devclass
, NULL, NULL);
#ifndef MMCCAM
MMC_DECLARE_BRIDGE(hisi_dwmmc);
#endif

98
sys/dev/mmc/host/dwmmc_rockchip.c Normal file
View File

@ -0,0 +1,98 @@
/*
* Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <dev/mmc/bridge.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/mmc/host/dwmmc_var.h>
static struct ofw_compat_data compat_data[] = {
{"rockchip,rk2928-dw-mshc", 1},
{NULL, 0},
};
static int
rockchip_dwmmc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
device_set_desc(dev, "Synopsys DesignWare Mobile "
"Storage Host Controller (RockChip)");
return (BUS_PROBE_VENDOR);
}
static int
rockchip_dwmmc_attach(device_t dev)
{
struct dwmmc_softc *sc;
sc = device_get_softc(dev);
sc->hwtype = HWTYPE_ROCKCHIP;
sc->use_pio = 1;
sc->pwren_inverted = 1;
return (dwmmc_attach(dev));
}
static device_method_t rockchip_dwmmc_methods[] = {
/* bus interface */
DEVMETHOD(device_probe, rockchip_dwmmc_probe),
DEVMETHOD(device_attach, rockchip_dwmmc_attach),
DEVMETHOD_END
};
static devclass_t rockchip_dwmmc_devclass;
DEFINE_CLASS_1(rockchip_dwmmc, rockchip_dwmmc_driver, rockchip_dwmmc_methods,
sizeof(struct dwmmc_softc), dwmmc_driver);
DRIVER_MODULE(rockchip_dwmmc, simplebus, rockchip_dwmmc_driver,
rockchip_dwmmc_devclass, 0, 0);
DRIVER_MODULE(rockchip_dwmmc, ofwbus, rockchip_dwmmc_driver,
rockchip_dwmmc_devclass, NULL, NULL);
#ifndef MMCCAM
MMC_DECLARE_BRIDGE(rockchip_dwmmc);
#endif

132
sys/dev/mmc/host/dwmmc_samsung.c Normal file
View File

@ -0,0 +1,132 @@
/*
* Copyright 2017 Emmanuel Vadot <manu@freebsd.org>
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <machine/bus.h>
#include <dev/mmc/bridge.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/mmc/host/dwmmc_var.h>
#include <dev/mmc/host/dwmmc_reg.h>
#define WRITE4(_sc, _reg, _val) \
bus_write_4((_sc)->res[0], _reg, _val)
static struct ofw_compat_data compat_data[] = {
{"samsung,exynos5420-dw-mshc", 1},
{NULL, 0},
};
static int
samsung_dwmmc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
device_set_desc(dev, "Synopsys DesignWare Mobile "
"Storage Host Controller (Samsung)");
return (BUS_PROBE_VENDOR);
}
static int
samsung_dwmmc_attach(device_t dev)
{
struct dwmmc_softc *sc;
pcell_t dts_value[3];
phandle_t node;
int len;
sc = device_get_softc(dev);
sc->hwtype = HWTYPE_EXYNOS;
if ((node = ofw_bus_get_node(sc->dev)) == -1)
return (ENXIO);
if ((len = OF_getproplen(node, "samsung,dw-mshc-ciu-div")) <= 0)
return (ENXIO);
OF_getencprop(node, "samsung,dw-mshc-ciu-div", dts_value, len);
sc->sdr_timing = (dts_value[0] << SDMMC_CLKSEL_DIVIDER_SHIFT);
sc->ddr_timing = (dts_value[0] << SDMMC_CLKSEL_DIVIDER_SHIFT);
if ((len = OF_getproplen(node, "samsung,dw-mshc-sdr-timing")) <= 0)
return (ENXIO);
OF_getencprop(node, "samsung,dw-mshc-sdr-timing", dts_value, len);
sc->sdr_timing |= ((dts_value[0] << SDMMC_CLKSEL_SAMPLE_SHIFT) |
(dts_value[1] << SDMMC_CLKSEL_DRIVE_SHIFT));
if ((len = OF_getproplen(node, "samsung,dw-mshc-ddr-timing")) <= 0)
return (ENXIO);
OF_getencprop(node, "samsung,dw-mshc-ddr-timing", dts_value, len);
sc->ddr_timing |= ((dts_value[0] << SDMMC_CLKSEL_SAMPLE_SHIFT) |
(dts_value[1] << SDMMC_CLKSEL_DRIVE_SHIFT));
WRITE4(sc, EMMCP_MPSBEGIN0, 0);
WRITE4(sc, EMMCP_SEND0, 0);
WRITE4(sc, EMMCP_CTRL0, (MPSCTRL_SECURE_READ_BIT |
MPSCTRL_SECURE_WRITE_BIT |
MPSCTRL_NON_SECURE_READ_BIT |
MPSCTRL_NON_SECURE_WRITE_BIT |
MPSCTRL_VALID));
return (dwmmc_attach(dev));
}
static device_method_t samsung_dwmmc_methods[] = {
/* bus interface */
DEVMETHOD(device_probe, samsung_dwmmc_probe),
DEVMETHOD(device_attach, samsung_dwmmc_attach),
DEVMETHOD_END
};
static devclass_t samsung_dwmmc_devclass;
DEFINE_CLASS_1(samsung_dwmmc, samsung_dwmmc_driver, samsung_dwmmc_methods,
sizeof(struct dwmmc_softc), dwmmc_driver);
DRIVER_MODULE(samsung_dwmmc, simplebus, samsung_dwmmc_driver,
samsung_dwmmc_devclass, 0, 0);
DRIVER_MODULE(samsung_dwmmc, ofwbus, samsung_dwmmc_driver, samsung_dwmmc_devclass
, NULL, NULL);
#ifndef MMCCAM
MMC_DECLARE_BRIDGE(samsung_dwmmc);
#endif

2
sys/dev/mmc/host/dwmmc_var.h
View File

@ -74,7 +74,7 @@ struct dwmmc_softc {
uint32_t ddr_timing;
};
extern driver_t dwmmc_driver;
DECLARE_CLASS(dwmmc_driver);
int dwmmc_attach(device_t);