[chvgpio] add GPIO driver for Intel Z8xxx SoC family
Add chvgpio(4) driver for Intel Z8xxx SoC family. This product was formerly known as Cherry Trail but Linux and OpenBSD drivers refer to it as Cherry View. This driver is derived from OpenBSD one so the name is kept for alignment with another BSD system. Submitted by: Tom Jones <tj@enoti.me> Reviewed by: gonzo, wblock(man page) MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D13086
This commit is contained in:
Oleksandr Tymoshenko
parent
b0d9fbf070
commit
94b8a54ae6
@ -97,6 +97,7 @@ MAN= aac.4 \
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bwi.4 \
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bwn.4 \
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${_bytgpio.4} \
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${_chvgpio.4} \
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capsicum.4 \
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cardbus.4 \
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carp.4 \
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@ -796,6 +797,7 @@ _amdtemp.4= amdtemp.4
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_asmc.4= asmc.4
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_bxe.4= bxe.4
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_bytgpio.4= bytgpio.4
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_chvgpio.4= chvgpio.4
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_coretemp.4= coretemp.4
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_cpuctl.4= cpuctl.4
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_dpms.4= dpms.4
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65
share/man/man4/chvgpio.4
Normal file
65
share/man/man4/chvgpio.4
Normal file
@ -0,0 +1,65 @@
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.\" Copyright (c) 2017
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.\" Tom Jones <tj@enoti.me> All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd November 17, 2017
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.Dt CHVGPIO 4
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.Os
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.Sh NAME
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.Nm chvgpio
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.Nd Intel Cherry View SoC GPIO controller
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.Sh SYNOPSIS
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.Cd "device gpio"
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.Cd "device chvgpio"
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.Sh DESCRIPTION
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.Nm
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supports the GPIO controller that can be found in Intel's Cherry View SoC
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family.
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.Pp
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The Cherry View SoC has 5 banks of GPIO pins, NORTH, EAST, SOUTHEAST, SOUTHWEST
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and VIRTUAL.
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All but VIRTUAL are exposed to userland as
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.Pa /dev/gpiocN ,
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where N is 0-3.
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Pins in each bank are pre-named to match names in the Intel® Atom™ Z8000
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Processor Series Vol 2
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.Sh SEE ALSO
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.Xr gpio 3 ,
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.Xr gpio 4 ,
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.Xr gpioctl 8
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.Rs
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.%T Intel® Atom™ Z8000 Processor Series Vol 1
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.Re
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.Rs
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.%T Intel® Atom™ Z8000 Processor Series Vol 2
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.Re
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.Sh HISTORY
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The
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.Nm
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manual page first appeared in
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.Fx 12 .
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.Sh AUTHORS
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This driver and man page were written by
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.An Tom Jones Aq Mt tj@enoti.me .
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@ -293,6 +293,7 @@ dev/fdc/fdc_acpi.c optional fdc
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dev/fdc/fdc_isa.c optional fdc isa
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dev/fdc/fdc_pccard.c optional fdc pccard
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dev/gpio/bytgpio.c optional bytgpio
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dev/gpio/chvgpio.c optional chvgpio
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dev/hpt27xx/hpt27xx_os_bsd.c optional hpt27xx
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dev/hpt27xx/hpt27xx_osm_bsd.c optional hpt27xx
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dev/hpt27xx/hpt27xx_config.c optional hpt27xx
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@ -215,6 +215,7 @@ dev/glxiic/glxiic.c optional glxiic
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dev/glxsb/glxsb.c optional glxsb
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dev/glxsb/glxsb_hash.c optional glxsb
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dev/gpio/bytgpio.c optional bytgpio
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dev/gpio/chvgpio.c optional chvgpio
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dev/hpt27xx/hpt27xx_os_bsd.c optional hpt27xx
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dev/hpt27xx/hpt27xx_osm_bsd.c optional hpt27xx
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dev/hpt27xx/hpt27xx_config.c optional hpt27xx
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521
sys/dev/gpio/chvgpio.c
Normal file
521
sys/dev/gpio/chvgpio.c
Normal file
@ -0,0 +1,521 @@
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/*-
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* Copyright (c) 2017 Tom Jones <tj@enoti.me>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* Copyright (c) 2016 Mark Kettenis
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/gpio.h>
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#include <sys/clock.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/endian.h>
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#include <sys/rman.h>
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#include <sys/types.h>
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <contrib/dev/acpica/include/accommon.h>
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#include <dev/acpica/acpivar.h>
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#include <dev/gpio/gpiobusvar.h>
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#include "opt_platform.h"
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#include "opt_acpi.h"
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#include "gpio_if.h"
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#include "chvgpio_reg.h"
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/*
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* Macros for driver mutex locking
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*/
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#define CHVGPIO_LOCK(_sc) mtx_lock_spin(&(_sc)->sc_mtx)
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#define CHVGPIO_UNLOCK(_sc) mtx_unlock_spin(&(_sc)->sc_mtx)
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#define CHVGPIO_LOCK_INIT(_sc) \
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mtx_init(&_sc->sc_mtx, device_get_nameunit((_sc)->sc_dev), \
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"chvgpio", MTX_SPIN)
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#define CHVGPIO_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->sc_mtx)
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#define CHVGPIO_ASSERT_LOCKED(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
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#define CHVGPIO_ASSERT_UNLOCKED(_sc) mtx_assert(&(_sc)->sc_mtx, MA_NOTOWNED)
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struct chvgpio_softc {
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device_t sc_dev;
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device_t sc_busdev;
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struct mtx sc_mtx;
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ACPI_HANDLE sc_handle;
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int sc_mem_rid;
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struct resource *sc_mem_res;
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int sc_irq_rid;
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struct resource *sc_irq_res;
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void *intr_handle;
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const char *sc_bank_prefix;
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const int *sc_pins;
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int sc_npins;
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int sc_ngroups;
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const char **sc_pin_names;
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};
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static void chvgpio_intr(void *);
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static int chvgpio_probe(device_t);
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static int chvgpio_attach(device_t);
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static int chvgpio_detach(device_t);
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static inline int
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chvgpio_pad_cfg0_offset(int pin)
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{
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return (CHVGPIO_PAD_CFG0 + 1024 * (pin / 15) + 8 * (pin % 15));
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}
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static inline int
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chvgpio_read_pad_cfg0(struct chvgpio_softc *sc, int pin)
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{
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return bus_read_4(sc->sc_mem_res, chvgpio_pad_cfg0_offset(pin));
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}
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static inline void
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chvgpio_write_pad_cfg0(struct chvgpio_softc *sc, int pin, uint32_t val)
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{
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bus_write_4(sc->sc_mem_res, chvgpio_pad_cfg0_offset(pin), val);
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}
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static inline int
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chvgpio_read_pad_cfg1(struct chvgpio_softc *sc, int pin)
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{
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return bus_read_4(sc->sc_mem_res, chvgpio_pad_cfg0_offset(pin) + 4);
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}
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static device_t
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chvgpio_get_bus(device_t dev)
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{
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struct chvgpio_softc *sc;
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sc = device_get_softc(dev);
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return (sc->sc_busdev);
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}
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static int
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chvgpio_pin_max(device_t dev, int *maxpin)
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{
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struct chvgpio_softc *sc;
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sc = device_get_softc(dev);
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*maxpin = sc->sc_npins - 1;
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return (0);
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}
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static int
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chvgpio_valid_pin(struct chvgpio_softc *sc, int pin)
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{
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if (pin < 0)
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return EINVAL;
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if ((pin / 15) >= sc->sc_ngroups)
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return EINVAL;
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if ((pin % 15) >= sc->sc_pins[pin / 15])
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return EINVAL;
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return (0);
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}
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static int
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chvgpio_pin_getname(device_t dev, uint32_t pin, char *name)
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{
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struct chvgpio_softc *sc;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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/* return pin name from datasheet */
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snprintf(name, GPIOMAXNAME, "%s", sc->sc_pin_names[pin]);
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name[GPIOMAXNAME - 1] = '\0';
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return (0);
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}
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static int
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chvgpio_pin_getcaps(device_t dev, uint32_t pin, uint32_t *caps)
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{
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struct chvgpio_softc *sc;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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*caps = 0;
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if (chvgpio_valid_pin(sc, pin))
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*caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
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return (0);
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}
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static int
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chvgpio_pin_getflags(device_t dev, uint32_t pin, uint32_t *flags)
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{
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struct chvgpio_softc *sc;
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uint32_t val;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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*flags = 0;
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/* Get the current pin state */
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CHVGPIO_LOCK(sc);
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val = chvgpio_read_pad_cfg0(sc, pin);
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if (val & CHVGPIO_PAD_CFG0_GPIOCFG_GPIO ||
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val & CHVGPIO_PAD_CFG0_GPIOCFG_GPO)
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*flags |= GPIO_PIN_OUTPUT;
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if (val & CHVGPIO_PAD_CFG0_GPIOCFG_GPIO ||
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val & CHVGPIO_PAD_CFG0_GPIOCFG_GPI)
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*flags |= GPIO_PIN_INPUT;
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val = chvgpio_read_pad_cfg1(sc, pin);
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CHVGPIO_UNLOCK(sc);
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return (0);
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}
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static int
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chvgpio_pin_setflags(device_t dev, uint32_t pin, uint32_t flags)
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{
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struct chvgpio_softc *sc;
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uint32_t val;
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uint32_t allowed;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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allowed = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
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/*
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* Only direction flag allowed
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*/
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if (flags & ~allowed)
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return (EINVAL);
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/*
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* Not both directions simultaneously
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*/
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if ((flags & allowed) == allowed)
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return (EINVAL);
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/* Set the GPIO mode and state */
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CHVGPIO_LOCK(sc);
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val = chvgpio_read_pad_cfg0(sc, pin);
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if (flags & GPIO_PIN_INPUT)
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val = val & CHVGPIO_PAD_CFG0_GPIOCFG_GPI;
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if (flags & GPIO_PIN_OUTPUT)
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val = val & CHVGPIO_PAD_CFG0_GPIOCFG_GPO;
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chvgpio_write_pad_cfg0(sc, pin, val);
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CHVGPIO_UNLOCK(sc);
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return (0);
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}
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static int
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chvgpio_pin_set(device_t dev, uint32_t pin, unsigned int value)
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{
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struct chvgpio_softc *sc;
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uint32_t val;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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CHVGPIO_LOCK(sc);
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val = chvgpio_read_pad_cfg0(sc, pin);
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if (value == GPIO_PIN_LOW)
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val = val & ~CHVGPIO_PAD_CFG0_GPIOTXSTATE;
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else
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val = val | CHVGPIO_PAD_CFG0_GPIOTXSTATE;
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chvgpio_write_pad_cfg0(sc, pin, val);
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CHVGPIO_UNLOCK(sc);
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return (0);
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}
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static int
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chvgpio_pin_get(device_t dev, uint32_t pin, unsigned int *value)
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{
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struct chvgpio_softc *sc;
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uint32_t val;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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CHVGPIO_LOCK(sc);
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/* Read pin value */
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val = chvgpio_read_pad_cfg0(sc, pin);
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if (val & CHVGPIO_PAD_CFG0_GPIORXSTATE)
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*value = GPIO_PIN_HIGH;
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else
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*value = GPIO_PIN_LOW;
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CHVGPIO_UNLOCK(sc);
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return (0);
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}
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static int
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chvgpio_pin_toggle(device_t dev, uint32_t pin)
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{
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struct chvgpio_softc *sc;
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uint32_t val;
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sc = device_get_softc(dev);
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if (chvgpio_valid_pin(sc, pin) != 0)
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return (EINVAL);
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CHVGPIO_LOCK(sc);
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/* Toggle the pin */
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val = chvgpio_read_pad_cfg0(sc, pin);
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val = val ^ CHVGPIO_PAD_CFG0_GPIOTXSTATE;
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chvgpio_write_pad_cfg0(sc, pin, val);
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CHVGPIO_UNLOCK(sc);
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return (0);
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}
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static char *chvgpio_hids[] = {
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"INT33FF",
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NULL
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};
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static int
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chvgpio_probe(device_t dev)
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{
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if (acpi_disabled("chvgpio") ||
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ACPI_ID_PROBE(device_get_parent(dev), dev, chvgpio_hids) == NULL)
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return (ENXIO);
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device_set_desc(dev, "Intel Cherry View GPIO");
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return (0);
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}
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static int
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chvgpio_attach(device_t dev)
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{
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struct chvgpio_softc *sc;
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ACPI_STATUS status;
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int uid;
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int i;
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int error;
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sc = device_get_softc(dev);
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sc->sc_dev = dev;
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||||
sc->sc_handle = acpi_get_handle(dev);
|
||||
|
||||
status = acpi_GetInteger(sc->sc_handle, "_UID", &uid);
|
||||
if (ACPI_FAILURE(status)) {
|
||||
device_printf(dev, "failed to read _UID\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
CHVGPIO_LOCK_INIT(sc);
|
||||
|
||||
switch (uid) {
|
||||
case SW_UID:
|
||||
sc->sc_bank_prefix = SW_BANK_PREFIX;
|
||||
sc->sc_pins = chv_southwest_pins;
|
||||
sc->sc_pin_names = chv_southwest_pin_names;
|
||||
break;
|
||||
case N_UID:
|
||||
sc->sc_bank_prefix = N_BANK_PREFIX;
|
||||
sc->sc_pins = chv_north_pins;
|
||||
sc->sc_pin_names = chv_north_pin_names;
|
||||
break;
|
||||
case E_UID:
|
||||
sc->sc_bank_prefix = E_BANK_PREFIX;
|
||||
sc->sc_pins = chv_east_pins;
|
||||
sc->sc_pin_names = chv_east_pin_names;
|
||||
break;
|
||||
case SE_UID:
|
||||
sc->sc_bank_prefix = SE_BANK_PREFIX;
|
||||
sc->sc_pins = chv_southeast_pins;
|
||||
sc->sc_pin_names = chv_southeast_pin_names;
|
||||
break;
|
||||
default:
|
||||
device_printf(dev, "invalid _UID value: %d\n", uid);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
for (i = 0; sc->sc_pins[i] >= 0; i++) {
|
||||
sc->sc_npins += sc->sc_pins[i];
|
||||
sc->sc_ngroups++;
|
||||
}
|
||||
|
||||
sc->sc_mem_rid = 0;
|
||||
sc->sc_mem_res = bus_alloc_resource_any(sc->sc_dev, SYS_RES_MEMORY,
|
||||
&sc->sc_mem_rid, RF_ACTIVE);
|
||||
if (sc->sc_mem_res == NULL) {
|
||||
CHVGPIO_LOCK_DESTROY(sc);
|
||||
device_printf(dev, "can't allocate memory resource\n");
|
||||
return (ENOMEM);
|
||||
}
|
||||
|
||||
sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
|
||||
&sc->sc_irq_rid, RF_ACTIVE);
|
||||
|
||||
if (!sc->sc_irq_res) {
|
||||
CHVGPIO_LOCK_DESTROY(sc);
|
||||
bus_release_resource(dev, SYS_RES_MEMORY,
|
||||
sc->sc_mem_rid, sc->sc_mem_res);
|
||||
device_printf(dev, "can't allocate irq resource\n");
|
||||
return (ENOMEM);
|
||||
}
|
||||
|
||||
error = bus_setup_intr(sc->sc_dev, sc->sc_irq_res, INTR_TYPE_MISC | INTR_MPSAFE,
|
||||
NULL, chvgpio_intr, sc, &sc->intr_handle);
|
||||
|
||||
|
||||
if (error) {
|
||||
device_printf(sc->sc_dev, "unable to setup irq: error %d\n", error);
|
||||
CHVGPIO_LOCK_DESTROY(sc);
|
||||
bus_release_resource(dev, SYS_RES_MEMORY,
|
||||
sc->sc_mem_rid, sc->sc_mem_res);
|
||||
bus_release_resource(dev, SYS_RES_IRQ,
|
||||
sc->sc_irq_rid, sc->sc_irq_res);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
/* Mask and ack all interrupts. */
|
||||
bus_write_4(sc->sc_mem_res, CHVGPIO_INTERRUPT_MASK, 0);
|
||||
bus_write_4(sc->sc_mem_res, CHVGPIO_INTERRUPT_STATUS, 0xffff);
|
||||
|
||||
sc->sc_busdev = gpiobus_attach_bus(dev);
|
||||
if (sc->sc_busdev == NULL) {
|
||||
CHVGPIO_LOCK_DESTROY(sc);
|
||||
bus_release_resource(dev, SYS_RES_MEMORY,
|
||||
sc->sc_mem_rid, sc->sc_mem_res);
|
||||
bus_release_resource(dev, SYS_RES_IRQ,
|
||||
sc->sc_irq_rid, sc->sc_irq_res);
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static void
|
||||
chvgpio_intr(void *arg)
|
||||
{
|
||||
struct chvgpio_softc *sc = arg;
|
||||
uint32_t reg;
|
||||
int line;
|
||||
|
||||
reg = bus_read_4(sc->sc_mem_res, CHVGPIO_INTERRUPT_STATUS);
|
||||
for (line = 0; line < 16; line++) {
|
||||
if ((reg & (1 << line)) == 0)
|
||||
continue;
|
||||
bus_write_4(sc->sc_mem_res, CHVGPIO_INTERRUPT_STATUS, 1 << line);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
chvgpio_detach(device_t dev)
|
||||
{
|
||||
struct chvgpio_softc *sc;
|
||||
sc = device_get_softc(dev);
|
||||
|
||||
if (sc->sc_busdev)
|
||||
gpiobus_detach_bus(dev);
|
||||
|
||||
if (sc->intr_handle != NULL)
|
||||
bus_teardown_intr(sc->sc_dev, sc->sc_irq_res, sc->intr_handle);
|
||||
if (sc->sc_irq_res != NULL)
|
||||
bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irq_rid, sc->sc_irq_res);
|
||||
if (sc->sc_mem_res != NULL)
|
||||
bus_release_resource(dev, SYS_RES_MEMORY, sc->sc_mem_rid, sc->sc_mem_res);
|
||||
|
||||
CHVGPIO_LOCK_DESTROY(sc);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t chvgpio_methods[] = {
|
||||
DEVMETHOD(device_probe, chvgpio_probe),
|
||||
DEVMETHOD(device_attach, chvgpio_attach),
|
||||
DEVMETHOD(device_detach, chvgpio_detach),
|
||||
|
||||
/* GPIO protocol */
|
||||
DEVMETHOD(gpio_get_bus, chvgpio_get_bus),
|
||||
DEVMETHOD(gpio_pin_max, chvgpio_pin_max),
|
||||
DEVMETHOD(gpio_pin_getname, chvgpio_pin_getname),
|
||||
DEVMETHOD(gpio_pin_getflags, chvgpio_pin_getflags),
|
||||
DEVMETHOD(gpio_pin_getcaps, chvgpio_pin_getcaps),
|
||||
DEVMETHOD(gpio_pin_setflags, chvgpio_pin_setflags),
|
||||
DEVMETHOD(gpio_pin_get, chvgpio_pin_get),
|
||||
DEVMETHOD(gpio_pin_set, chvgpio_pin_set),
|
||||
DEVMETHOD(gpio_pin_toggle, chvgpio_pin_toggle),
|
||||
|
||||
DEVMETHOD_END
|
||||
};
|
||||
|
||||
static driver_t chvgpio_driver = {
|
||||
.name = "gpio",
|
||||
.methods = chvgpio_methods,
|
||||
.size = sizeof(struct chvgpio_softc)
|
||||
};
|
||||
|
||||
static devclass_t chvgpio_devclass;
|
||||
DRIVER_MODULE(chvgpio, acpi, chvgpio_driver, chvgpio_devclass, NULL , NULL);
|
||||
MODULE_DEPEND(chvgpio, acpi, 1, 1, 1);
|
||||
MODULE_DEPEND(chvgpio, gpiobus, 1, 1, 1);
|
||||
|
||||
MODULE_VERSION(chvgpio, 1);
|
||||
337
sys/dev/gpio/chvgpio_reg.h
Normal file
337
sys/dev/gpio/chvgpio_reg.h
Normal file
@ -0,0 +1,337 @@
|
||||
/*-
|
||||
* Copyright (c) 2017 Tom Jones <tj@enoti.me>
|
||||
* 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.
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2016 Mark Kettenis
|
||||
*
|
||||
* Permission to use, copy, modify, and distribute this software for any
|
||||
* purpose with or without fee is hereby granted, provided that the above
|
||||
* copyright notice and this permission notice appear in all copies.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||||
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||||
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||||
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
|
||||
#define CHVGPIO_INTERRUPT_STATUS 0x0300
|
||||
#define CHVGPIO_INTERRUPT_MASK 0x0380
|
||||
#define CHVGPIO_PAD_CFG0 0x4400
|
||||
#define CHVGPIO_PAD_CFG1 0x4404
|
||||
|
||||
#define CHVGPIO_PAD_CFG0_GPIORXSTATE 0x00000001
|
||||
#define CHVGPIO_PAD_CFG0_GPIOTXSTATE 0x00000002
|
||||
#define CHVGPIO_PAD_CFG0_INTSEL_MASK 0xf0000000
|
||||
#define CHVGPIO_PAD_CFG0_INTSEL_SHIFT 28
|
||||
|
||||
#define CHVGPIO_PAD_CFG0_GPIOCFG_SHIFT 8
|
||||
#define CHVGPIO_PAD_CFG0_GPIOCFG_MASK (7 << CHVGPIO_PAD_CFG0_GPIOCFG_SHIFT)
|
||||
#define CHVGPIO_PAD_CFG0_GPIOCFG_GPIO 0
|
||||
#define CHVGPIO_PAD_CFG0_GPIOCFG_GPO 1
|
||||
#define CHVGPIO_PAD_CFG0_GPIOCFG_GPI 2
|
||||
#define CHVGPIO_PAD_CFG0_GPIOCFG_HIZ 3
|
||||
|
||||
#define CHVGPIO_PAD_CFG1_INTWAKECFG_MASK 0x00000007
|
||||
#define CHVGPIO_PAD_CFG1_INTWAKECFG_FALLING 0x00000001
|
||||
#define CHVGPIO_PAD_CFG1_INTWAKECFG_RISING 0x00000002
|
||||
#define CHVGPIO_PAD_CFG1_INTWAKECFG_BOTH 0x00000003
|
||||
#define CHVGPIO_PAD_CFG1_INTWAKECFG_LEVEL 0x00000004
|
||||
#define CHVGPIO_PAD_CFG1_INVRXTX_MASK 0x000000f0
|
||||
#define CHVGPIO_PAD_CFG1_INVRXTX_RXDATA 0x00000040
|
||||
|
||||
/*
|
||||
* The pads for the pins are arranged in groups of maximal 15 pins.
|
||||
* The arrays below give the number of pins per group, such that we
|
||||
* can validate the (untrusted) pin numbers from ACPI.
|
||||
*/
|
||||
#define E_UID 3
|
||||
#define E_BANK_PREFIX "eastbank"
|
||||
|
||||
const int chv_east_pins[] = {
|
||||
12, 12, -1
|
||||
};
|
||||
|
||||
const char *chv_east_pin_names[] = {
|
||||
"PMU_SLP_S3_B",
|
||||
"PMU_BATLOW_B",
|
||||
"SUS_STAT_B",
|
||||
"PMU_SLP_S0IX_B",
|
||||
"PMU_AC_PRESENT",
|
||||
"PMU_PLTRST_B",
|
||||
"PMU_SUSCLK",
|
||||
"PMU_SLP_LAN_B",
|
||||
"PMU_PWRBTN_B",
|
||||
"PMU_SLP_S4_B",
|
||||
"PMU_WAKE_B",
|
||||
"PMU_WAKE_LAN_B"
|
||||
|
||||
"MF_ISH_GPIO_3",
|
||||
"MF_ISH_GPIO_7",
|
||||
"MF_ISH_I2C1_SCL",
|
||||
"MF_ISH_GPIO_1",
|
||||
"MF_ISH_GPIO_5",
|
||||
"MF_ISH_GPIO_9",
|
||||
"MF_ISH_GPIO_0",
|
||||
"MF_ISH_GPIO_4",
|
||||
"MF_ISH_GPIO_8",
|
||||
"MF_ISH_GPIO_2",
|
||||
"MF_ISH_GPIO_6",
|
||||
"MF_ISH_I2C1_SDA"
|
||||
};
|
||||
|
||||
#define N_UID 2
|
||||
#define N_BANK_PREFIX "northbank"
|
||||
|
||||
const int chv_north_pins[] = {
|
||||
9, 13, 12, 12, 13, -1
|
||||
};
|
||||
|
||||
const char *chv_north_pin_names[] = {
|
||||
"GPIO_DFX0_PAD",
|
||||
"GPIO_DFX3_PAD",
|
||||
"GPIO_DFX7_PAD",
|
||||
"GPIO_DFX1_PAD",
|
||||
"GPIO_DFX5_PAD",
|
||||
"GPIO_DFX4_PAD",
|
||||
"GPIO_DFX8_PAD",
|
||||
"GPIO_DFX2_PAD",
|
||||
"GPIO_DFX6_PAD",
|
||||
|
||||
"GPIO_SUS0_PAD",
|
||||
"SEC_GPIO_SUS10_PAD",
|
||||
"GPIO_SUS3_PAD",
|
||||
"GPIO_SUS7_PAD",
|
||||
"GPIO_SUS1_PAD",
|
||||
"GPIO_SUS5_PAD",
|
||||
"SEC_GPIO_SUS11_PAD",
|
||||
"GPIO_SUS4_PAD",
|
||||
"SEC_GPIO_SUS8_PAD",
|
||||
"GPIO_SUS2_PAD",
|
||||
"GPIO_SUS6_PAD",
|
||||
"CX_PREQ_B_PAD",
|
||||
"SEC_GPIO_SUS9_PAD",
|
||||
|
||||
"TRST_B_PAD",
|
||||
"TCK_PAD",
|
||||
"PROCHOT_B_PAD",
|
||||
"SVID0_DATA_PAD",
|
||||
"TMS_PAD",
|
||||
"CX_PRDY_B_2_PAD",
|
||||
"TDO_2_PAD",
|
||||
"CX_PRDY_B_PAD",
|
||||
"SVID0_ALERT_B_PAD",
|
||||
"TDO_PAD",
|
||||
"SVID0_CLK_PAD",
|
||||
"TDI_PAD",
|
||||
|
||||
"GP_CAMERASB05_PAD",
|
||||
"GP_CAMERASB02_PAD",
|
||||
"GP_CAMERASB08_PAD",
|
||||
"GP_CAMERASB00_PAD",
|
||||
"GP_CAMERASB06_PAD",
|
||||
"GP_CAMERASB10_PAD",
|
||||
"GP_CAMERASB03_PAD",
|
||||
"GP_CAMERASB09_PAD",
|
||||
"GP_CAMERASB01_PAD",
|
||||
"GP_CAMERASB07_PAD",
|
||||
"GP_CAMERASB11_PAD",
|
||||
"GP_CAMERASB04_PAD",
|
||||
|
||||
"PANEL0_BKLTEN_PAD",
|
||||
"HV_DDI0_HPD_PAD",
|
||||
"HV_DDI2_DDC_SDA_PAD",
|
||||
"PANEL1_BKLTCTL_PAD",
|
||||
"HV_DDI1_HPD_PAD",
|
||||
"PANEL0_BKLTCTL_PAD",
|
||||
"HV_DDI0_DDC_SDA_PAD",
|
||||
"HV_DDI2_DDC_SCL_PAD",
|
||||
"HV_DDI2_HPD_PAD",
|
||||
"PANEL1_VDDEN_PAD",
|
||||
"PANEL1_BKLTEN_PAD",
|
||||
"HV_DDI0_DDC_SCL_PAD",
|
||||
"PANEL0_VDDEN_PAD",
|
||||
};
|
||||
|
||||
|
||||
#define SE_UID 4
|
||||
#define SE_BANK_PREFIX "southeastbank"
|
||||
|
||||
const int chv_southeast_pins[] = {
|
||||
8, 12, 6, 8, 10, 11, -1
|
||||
};
|
||||
|
||||
const char *chv_southeast_pin_names[] = {
|
||||
"MF_PLT_CLK0_PAD",
|
||||
"PWM1_PAD",
|
||||
"MF_PLT_CLK1_PAD",
|
||||
"MF_PLT_CLK4_PAD",
|
||||
"MF_PLT_CLK3_PAD",
|
||||
"PWM0_PAD",
|
||||
"MF_PLT_CLK5_PAD",
|
||||
"MF_PLT_CLK2_PAD",
|
||||
|
||||
"SDMMC2_D3_CD_B_PAD",
|
||||
"SDMMC1_CLK_PAD",
|
||||
"SDMMC1_D0_PAD",
|
||||
"SDMMC2_D1_PAD",
|
||||
"SDMMC2_CLK_PAD",
|
||||
"SDMMC1_D2_PAD",
|
||||
"SDMMC2_D2_PAD",
|
||||
"SDMMC2_CMD_PAD",
|
||||
"SDMMC1_CMD_PAD",
|
||||
"SDMMC1_D1_PAD",
|
||||
"SDMMC2_D0_PAD",
|
||||
"SDMMC1_D3_CD_B_PAD",
|
||||
|
||||
"SDMMC3_D1_PAD",
|
||||
"SDMMC3_CLK_PAD",
|
||||
"SDMMC3_D3_PAD",
|
||||
"SDMMC3_D2_PAD",
|
||||
"SDMMC3_CMD_PAD",
|
||||
"SDMMC3_D0_PAD",
|
||||
|
||||
"MF_LPC_AD2_PAD",
|
||||
"LPC_CLKRUNB_PAD",
|
||||
"MF_LPC_AD0_PAD",
|
||||
"LPC_FRAMEB_PAD",
|
||||
"MF_LPC_CLKOUT1_PAD",
|
||||
"MF_LPC_AD3_PAD",
|
||||
"MF_LPC_CLKOUT0_PAD",
|
||||
"MF_LPC_AD1_PAD",
|
||||
|
||||
"SPI1_MISO_PAD",
|
||||
"SPI1_CS0_B_PAD",
|
||||
"SPI1_CLK_PAD",
|
||||
"MMC1_D6_PAD",
|
||||
"SPI1_MOSI_PAD",
|
||||
"MMC1_D5_PAD",
|
||||
"SPI1_CS1_B_PAD",
|
||||
"MMC1_D4_SD_WE_PAD",
|
||||
"MMC1_D7_PAD",
|
||||
"MMC1_RCLK_PAD",
|
||||
|
||||
"USB_OC1_B_PAD",
|
||||
"PMU_RESETBUTTON_B_PAD",
|
||||
"GPIO_ALERT_PAD",
|
||||
"SDMMC3_PWR_EN_B_PAD",
|
||||
"ILB_SERIRQ_PAD",
|
||||
"USB_OC0_B_PAD",
|
||||
"SDMMC3_CD_B_PAD",
|
||||
"SPKR_PAD",
|
||||
"SUSPWRDNACK_PAD",
|
||||
"SPARE_PIN_PAD",
|
||||
"SDMMC3_1P8_EN_PAD",
|
||||
};
|
||||
|
||||
#define SW_UID 1
|
||||
#define SW_BANK_PREFIX "southwestbank"
|
||||
|
||||
const int chv_southwest_pins[] = {
|
||||
8, 8, 8, 8, 8, 8, 8, -1
|
||||
};
|
||||
|
||||
const char *chv_southwest_pin_names[] = {
|
||||
"FST_SPI_D2_PAD",
|
||||
"FST_SPI_D0_PAD",
|
||||
"FST_SPI_CLK_PAD",
|
||||
"FST_SPI_D3_PAD",
|
||||
"FST_SPI_CS1_B_PAD",
|
||||
"FST_SPI_D1_PAD",
|
||||
"FST_SPI_CS0_B_PAD",
|
||||
"FST_SPI_CS2_B_PAD",
|
||||
|
||||
"UART1_RTS_B_PAD",
|
||||
"UART1_RXD_PAD",
|
||||
"UART2_RXD_PAD",
|
||||
"UART1_CTS_B_PAD",
|
||||
"UART2_RTS_B_PAD",
|
||||
"UART1_TXD_PAD",
|
||||
"UART2_TXD_PAD",
|
||||
"UART2_CTS_B_PAD",
|
||||
|
||||
"MF_HDA_CLK"
|
||||
"MF_HDA_RSTB",
|
||||
"MF_HDA_SDIO",
|
||||
"MF_HDA_SDO",
|
||||
"MF_HDA_DOCKRSTB",
|
||||
"MF_HDA_SYNC",
|
||||
"MF_HDA_SDI1",
|
||||
"MF_HDA_DOCKENB",
|
||||
|
||||
"I2C5_SDA_PAD",
|
||||
"I2C4_SDA_PAD",
|
||||
"I2C6_SDA_PAD",
|
||||
"I2C5_SCL_PAD",
|
||||
"I2C_NFC_SDA_PAD",
|
||||
"I2C4_SCL_PAD",
|
||||
"I2C6_SCL_PAD",
|
||||
"I2C_NFC_SCL_PAD",
|
||||
|
||||
"I2C1_SDA_PAD",
|
||||
"I2C0_SDA_PAD",
|
||||
"I2C2_SDA_PAD",
|
||||
"I2C1_SCL_PAD",
|
||||
"I2C3_SDA_PAD",
|
||||
"I2C0_SCL_PAD",
|
||||
"I2C2_SCL_PAD",
|
||||
"I2C3_SCL_PAD",
|
||||
|
||||
"SATA_GP0",
|
||||
"SATA_GP1",
|
||||
"SATA_LEDN",
|
||||
"SATA_GP2",
|
||||
"MF_SMB_ALERTB",
|
||||
"SATA_GP3",
|
||||
"MF_SMB_CLK",
|
||||
"MF_SMB_DATA",
|
||||
|
||||
"PCIE_CLKREQ0B_PAD",
|
||||
"PCIE_CLKREQ1B_PAD",
|
||||
"GP_SSP_2_CLK_PAD",
|
||||
"PCIE_CLKREQ2B_PAD",
|
||||
"GP_SSP_2_RXD_PAD",
|
||||
"PCIE_CLKREQ3B_PAD",
|
||||
"GP_SSP_2_FS_PAD",
|
||||
"GP_SSP_2_TXD_PAD",
|
||||
};
|
||||
|
||||
const char *virtualgpio[] = {
|
||||
"VIRTUAL0_PAD",
|
||||
"VIRTUAL1_PAD",
|
||||
"VIRTUAL2_PAD",
|
||||
"VIRTUAL3_PAD",
|
||||
"VIRTUAL4_PAD",
|
||||
"VIRTUAL5_PAD",
|
||||
"VIRTUAL6_PAD",
|
||||
"VIRTUAL7_PAD",
|
||||
};
|
||||
@ -74,6 +74,7 @@ SUBDIR= \
|
||||
bwi \
|
||||
bwn \
|
||||
${_bytgpio} \
|
||||
${_chvgpio} \
|
||||
cam \
|
||||
${_cardbus} \
|
||||
${_carp} \
|
||||
@ -636,6 +637,7 @@ _amdtemp= amdtemp
|
||||
_arcmsr= arcmsr
|
||||
_asmc= asmc
|
||||
_bytgpio= bytgpio
|
||||
_chvgpio= chvgpio
|
||||
_ciss= ciss
|
||||
_chromebook_platform= chromebook_platform
|
||||
_cmx= cmx
|
||||
|
||||
8
sys/modules/chvgpio/Makefile
Normal file
8
sys/modules/chvgpio/Makefile
Normal file
@ -0,0 +1,8 @@
|
||||
# $FreeBSD$
|
||||
|
||||
.PATH: ${SRCTOP}/sys/dev/gpio
|
||||
KMOD= chvgpio
|
||||
SRCS= chvgpio.c
|
||||
SRCS+= acpi_if.h device_if.h bus_if.h gpio_if.h opt_acpi.h opt_platform.h
|
||||
|
||||
.include <bsd.kmod.mk>
|
||||
Loading…
Reference in New Issue
Block a user