F: drivers/platform/x86/acer-wmi.c
ACPI
-M: Len Brown <lenb@kernel.org>
M: Rafael J. Wysocki <rjw@rjwysocki.net>
+M: Len Brown <lenb@kernel.org>
L: linux-acpi@vger.kernel.org
W: https://01.org/linux-acpi
Q: https://patchwork.kernel.org/project/linux-acpi/list/
L: linux-alpha@vger.kernel.org
F: arch/alpha/
+ALTERA TRIPLE SPEED ETHERNET DRIVER
+M: Vince Bridgers <vbridgers2013@gmail.com
+L: netdev@vger.kernel.org
+L: nios2-dev@lists.rocketboards.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/net/ethernet/altera/
+
ALTERA UART/JTAG UART SERIAL DRIVERS
M: Tobias Klauser <tklauser@distanz.ch>
L: linux-serial@vger.kernel.org
M: Alexander Shiyan <shc_work@mail.ru>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Odd Fixes
-F: arch/arm/mach-clps711x/
+N: clps711x
ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE
M: Hartley Sweeten <hsweeten@visionengravers.com>
W: http://www.arm.linux.org.uk/
S: Maintained
+ARM/QUALCOMM SUPPORT
+M: Kumar Gala <galak@codeaurora.org>
+M: David Brown <davidb@codeaurora.org>
+L: linux-arm-msm@vger.kernel.org
+S: Maintained
+F: arch/arm/mach-qcom/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom.git
+
ARM/RADISYS ENP2611 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
F: drivers/clk/socfpga/
ARM/STI ARCHITECTURE
-M: Srinivas Kandagatla <srinivas.kandagatla@st.com>
-M: Stuart Menefy <stuart.menefy@st.com>
+M: Srinivas Kandagatla <srinivas.kandagatla@gmail.com>
+M: Maxime Coquelin <maxime.coquelin@st.com>
+M: Patrice Chotard <patrice.chotard@st.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: kernel@stlinux.com
W: http://www.stlinux.com
S: Maintained
F: arch/arm/mach-sti/
+F: arch/arm/boot/dts/sti*
+F: drivers/clocksource/arm_global_timer.c
+F: drivers/reset/sti/
+F: drivers/pinctrl/pinctrl-st.c
+F: drivers/media/rc/st_rc.c
+F: drivers/i2c/busses/i2c-st.c
+F: drivers/tty/serial/st-asc.c
ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Supported
F: arch/arm/mach-u300/
+F: drivers/clocksource/timer-u300.c
F: drivers/i2c/busses/i2c-stu300.c
F: drivers/rtc/rtc-coh901331.c
F: drivers/watchdog/coh901327_wdt.c
BACKLIGHT CLASS/SUBSYSTEM
M: Jingoo Han <jg1.han@samsung.com>
+M: Bryan Wu <cooloney@gmail.com>
+M: Lee Jones <lee.jones@linaro.org>
S: Maintained
F: drivers/video/backlight/
F: include/linux/backlight.h
S: Supported
F: drivers/net/ethernet/broadcom/b44.*
+BROADCOM GENET ETHERNET DRIVER
+M: Florian Fainelli <f.fainelli@gmail.com>
+L: netdev@vger.kernel.org
+S: Supported
+F: drivers/net/ethernet/broadcom/genet/
+
BROADCOM BNX2 GIGABIT ETHERNET DRIVER
M: Michael Chan <mchan@broadcom.com>
L: netdev@vger.kernel.org
L: linux-rpi-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi.git
S: Maintained
-F: arch/arm/mach-bcm2835/
+F: arch/arm/mach-bcm/board_bcm2835.c
F: arch/arm/boot/dts/bcm2835*
F: arch/arm/configs/bcm2835_defconfig
F: drivers/*/*bcm2835*
+BROADCOM BCM5301X ARM ARCHICTURE
+M: Hauke Mehrtens <hauke@hauke-m.de>
+L: linux-arm-kernel@lists.infradead.org
+S: Maintained
+F: arch/arm/mach-bcm/bcm_5301x.c
+F: arch/arm/boot/dts/bcm5301x.dtsi
+F: arch/arm/boot/dts/bcm470*
+
BROADCOM TG3 GIGABIT ETHERNET DRIVER
M: Nithin Nayak Sujir <nsujir@broadcom.com>
M: Michael Chan <mchan@broadcom.com>
S: Supported
F: drivers/scsi/bnx2i/
+BROADCOM KONA GPIO DRIVER
+M: Markus Mayer <markus.mayer@linaro.org>
+L: bcm-kernel-feedback-list@broadcom.com
+S: Supported
+F: drivers/gpio/gpio-bcm-kona.c
+F: Documentation/devicetree/bindings/gpio/gpio-bcm-kona.txt
+
BROADCOM SPECIFIC AMBA DRIVER (BCMA)
M: Rafał Miłecki <zajec5@gmail.com>
L: linux-wireless@vger.kernel.org
F: include/linux/bcma/
BROCADE BFA FC SCSI DRIVER
-M: Anil Gurumurthy <agurumur@brocade.com>
-M: Vijaya Mohan Guvva <vmohan@brocade.com>
+M: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
+M: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/bfa/
S: Odd Fixes
F: sound/soc/codecs/cs4270*
+CIRRUS LOGIC AUDIO CODEC DRIVERS
+M: Brian Austin <brian.austin@cirrus.com>
+M: Paul Handrigan <Paul.Handrigan@cirrus.com>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Maintained
+F: sound/soc/codecs/cs*
+
CLEANCACHE API
M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
L: linux-kernel@vger.kernel.org
COMMON CLK FRAMEWORK
M: Mike Turquette <mturquette@linaro.org>
-L: linux-arm-kernel@lists.infradead.org (same as CLK API & CLKDEV)
+L: linux-kernel@vger.kernel.org
T: git git://git.linaro.org/people/mturquette/linux.git
S: Maintained
F: drivers/clk/
F: include/linux/dm-*.h
F: include/uapi/linux/dm-*.h
+DIALOG SEMICONDUCTOR DRIVERS
+M: Support Opensource <support.opensource@diasemi.com>
+W: http://www.dialog-semiconductor.com/products
+S: Supported
+F: Documentation/hwmon/da90??
+F: drivers/gpio/gpio-da90??.c
+F: drivers/hwmon/da90??-hwmon.c
+F: drivers/input/misc/da90??_onkey.c
+F: drivers/input/touchscreen/da9052_tsi.c
+F: drivers/leds/leds-da90??.c
+F: drivers/mfd/da903x.c
+F: drivers/mfd/da90??-*.c
+F: drivers/power/da9052-battery.c
+F: drivers/regulator/da903x.c
+F: drivers/regulator/da9???-regulator.[ch]
+F: drivers/rtc/rtc-da90??.c
+F: drivers/video/backlight/da90??_bl.c
+F: drivers/watchdog/da90??_wdt.c
+F: include/linux/mfd/da903x.h
+F: include/linux/mfd/da9052/
+F: include/linux/mfd/da9055/
+F: include/linux/mfd/da9063/
+F: include/sound/da[79]*.h
+F: sound/soc/codecs/da[79]*.[ch]
+
DIGI NEO AND CLASSIC PCI PRODUCTS
M: Lidza Louina <lidza.louina@gmail.com>
L: driverdev-devel@linuxdriverproject.org
F: include/drm/radeon*
F: include/uapi/drm/radeon*
+ DRM PANEL DRIVERS
+ M: Thierry Reding <thierry.reding@gmail.com>
+ L: dri-devel@lists.freedesktop.org
+ T: git git://anongit.freedesktop.org/tegra/linux.git
+ S: Maintained
+ F: drivers/gpu/drm/drm_panel.c
+ F: drivers/gpu/drm/panel/
+ F: include/drm/drm_panel.h
+ F: Documentation/devicetree/bindings/panel/
+
INTEL DRM DRIVERS (excluding Poulsbo, Moorestown and derivative chipsets)
M: Daniel Vetter <daniel.vetter@ffwll.ch>
M: Jani Nikula <jani.nikula@linux.intel.com>
F: fs/ext4/
Extended Verification Module (EVM)
-M: Mimi Zohar <zohar@us.ibm.com>
+M: Mimi Zohar <zohar@linux.vnet.ibm.com>
+L: linux-ima-devel@lists.sourceforge.net
+L: linux-security-module@vger.kernel.org
S: Supported
F: security/integrity/evm/
F: drivers/extcon/
F: Documentation/extcon/
- EXYNOS DP DRIVER
- M: Jingoo Han <jg1.han@samsung.com>
- L: linux-fbdev@vger.kernel.org
- S: Maintained
- F: drivers/video/exynos/exynos_dp*
-
EXYNOS MIPI DISPLAY DRIVERS
M: Inki Dae <inki.dae@samsung.com>
M: Donghwa Lee <dh09.lee@samsung.com>
F: include/uapi/scsi/fc/
FILE LOCKING (flock() and fcntl()/lockf())
-M: Matthew Wilcox <matthew@wil.cx>
+M: Jeff Layton <jlayton@redhat.com>
+M: J. Bruce Fields <bfields@fieldses.org>
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: include/linux/fcntl.h
F: fs/freevxfs/
FREEZER
-M: Pavel Machek <pavel@ucw.cz>
M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
+M: Pavel Machek <pavel@ucw.cz>
L: linux-pm@vger.kernel.org
S: Supported
F: Documentation/power/freezing-of-tasks.txt
F: drivers/video/hgafb.c
HIBERNATION (aka Software Suspend, aka swsusp)
-M: Pavel Machek <pavel@ucw.cz>
M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
+M: Pavel Machek <pavel@ucw.cz>
L: linux-pm@vger.kernel.org
S: Supported
F: arch/x86/power/
F: include/uapi/linux/hpet.h
HPET: x86
-M: "Venkatesh Pallipadi (Venki)" <venki@google.com>
-S: Maintained
+S: Orphan
F: arch/x86/kernel/hpet.c
F: arch/x86/include/asm/hpet.h
F: drivers/ipack/
INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
-M: Mimi Zohar <zohar@us.ibm.com>
+M: Mimi Zohar <zohar@linux.vnet.ibm.com>
M: Dmitry Kasatkin <d.kasatkin@samsung.com>
+L: linux-ima-devel@lists.sourceforge.net
+L: linux-ima-user@lists.sourceforge.net
+L: linux-security-module@vger.kernel.org
S: Supported
F: security/integrity/ima/
INTEL C600 SERIES SAS CONTROLLER DRIVER
M: Intel SCU Linux support <intel-linux-scu@intel.com>
-M: Lukasz Dorau <lukasz.dorau@intel.com>
-M: Maciej Patelczyk <maciej.patelczyk@intel.com>
+M: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
M: Dave Jiang <dave.jiang@intel.com>
L: linux-scsi@vger.kernel.org
T: git git://git.code.sf.net/p/intel-sas/isci
INTEL WIRELESS WIMAX CONNECTION 2400
M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
M: linux-wimax@intel.com
-L: wimax@linuxwimax.org
+L: wimax@linuxwimax.org (subscribers-only)
S: Supported
W: http://linuxwimax.org
F: Documentation/wimax/README.i2400m
F: Documentation/hwmon/it87
F: drivers/hwmon/it87.c
-IT913X MEDIA DRIVER
-M: Malcolm Priestley <tvboxspy@gmail.com>
-L: linux-media@vger.kernel.org
-W: http://linuxtv.org/
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-S: Maintained
-F: drivers/media/usb/dvb-usb-v2/it913x*
-
-IT913X FE MEDIA DRIVER
-M: Malcolm Priestley <tvboxspy@gmail.com>
-L: linux-media@vger.kernel.org
-W: http://linuxtv.org/
-Q: http://patchwork.linuxtv.org/project/linux-media/list/
-S: Maintained
-F: drivers/media/dvb-frontends/it913x-fe*
-
IT913X MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-media@vger.kernel.org
F: security/keys/
KEYS-TRUSTED
-M: David Safford <safford@watson.ibm.com>
-M: Mimi Zohar <zohar@us.ibm.com>
+M: David Safford <safford@us.ibm.com>
+M: Mimi Zohar <zohar@linux.vnet.ibm.com>
L: linux-security-module@vger.kernel.org
L: keyrings@linux-nfs.org
S: Supported
F: security/keys/trusted.h
KEYS-ENCRYPTED
-M: Mimi Zohar <zohar@us.ibm.com>
-M: David Safford <safford@watson.ibm.com>
+M: Mimi Zohar <zohar@linux.vnet.ibm.com>
+M: David Safford <safford@us.ibm.com>
L: linux-security-module@vger.kernel.org
L: keyrings@linux-nfs.org
S: Supported
F: arch/powerpc/platforms/52xx/
LINUX FOR POWERPC EMBEDDED PPC4XX
-M: Josh Boyer <jwboyer@gmail.com>
+M: Alistair Popple <alistair@popple.id.au>
M: Matt Porter <mporter@kernel.crashing.org>
W: http://www.penguinppc.org/
L: linuxppc-dev@lists.ozlabs.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx.git
S: Maintained
F: arch/powerpc/platforms/40x/
F: arch/powerpc/platforms/44x/
S: Supported
F: drivers/watchdog/mena21_wdt.c
+MEN CHAMELEON BUS (mcb)
+M: Johannes Thumshirn <johannes.thumshirn@men.de>
+S: Supported
+F: drivers/mcb/
+F: include/linux/mcb.h
+
METAG ARCHITECTURE
M: James Hogan <james.hogan@imgtec.com>
L: linux-metag@vger.kernel.org
MICROBLAZE ARCHITECTURE
M: Michal Simek <monstr@monstr.eu>
-L: microblaze-uclinux@itee.uq.edu.au (moderated for non-subscribers)
W: http://www.monstr.eu/fdt/
T: git git://git.monstr.eu/linux-2.6-microblaze.git
S: Supported
S: Supported
F: drivers/platform/x86/msi-wmi.c
+MSI001 MEDIA DRIVER
+M: Antti Palosaari <crope@iki.fi>
+L: linux-media@vger.kernel.org
+W: http://linuxtv.org/
+W: http://palosaari.fi/linux/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/anttip/media_tree.git
+S: Maintained
+F: drivers/staging/media/msi3101/msi001*
+
+MSI3101 MEDIA DRIVER
+M: Antti Palosaari <crope@iki.fi>
+L: linux-media@vger.kernel.org
+W: http://linuxtv.org/
+W: http://palosaari.fi/linux/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/anttip/media_tree.git
+S: Maintained
+F: drivers/staging/media/msi3101/sdr-msi3101*
+
MT9M032 APTINA SENSOR DRIVER
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git
S: Maintained
+F: net/core/flow.c
F: net/xfrm/
F: net/key/
F: net/ipv4/xfrm*
F: include/uapi/linux/nfc.h
F: drivers/nfc/
F: include/linux/platform_data/pn544.h
+F: Documentation/devicetree/bindings/net/nfc/
NFS, SUNRPC, AND LOCKD CLIENTS
M: Trond Myklebust <trond.myklebust@primarydata.com>
F: include/uapi/linux/sunrpc/
NILFS2 FILESYSTEM
-M: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp>
+M: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
L: linux-nilfs@vger.kernel.org
-W: http://www.nilfs.org/en/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git
+W: http://nilfs.sourceforge.net/
+T: git git://github.com/konis/nilfs2.git
S: Supported
F: Documentation/filesystems/nilfs2.txt
F: fs/nilfs2/
F: drivers/net/ethernet/qlogic/qla3xxx.*
QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
-M: Himanshu Madhani <himanshu.madhani@qlogic.com>
-M: Rajesh Borundia <rajesh.borundia@qlogic.com>
M: Shahed Shaikh <shahed.shaikh@qlogic.com>
-M: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
-M: Sony Chacko <sony.chacko@qlogic.com>
-M: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
-M: linux-driver@qlogic.com
+M: Dept-HSGLinuxNICDev@qlogic.com
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/qlogic/qlcnic/
S: Maintained
F: drivers/media/dvb-frontends/rtl2832*
+RTL2832_SDR MEDIA DRIVER
+M: Antti Palosaari <crope@iki.fi>
+L: linux-media@vger.kernel.org
+W: http://linuxtv.org/
+W: http://palosaari.fi/linux/
+Q: http://patchwork.linuxtv.org/project/linux-media/list/
+T: git git://linuxtv.org/anttip/media_tree.git
+S: Maintained
+F: drivers/staging/media/rtl2832u_sdr/rtl2832_sdr*
+
RTL8180 WIRELESS DRIVER
M: "John W. Linville" <linville@tuxdriver.com>
L: linux-wireless@vger.kernel.org
S: Supported
F: arch/s390/
F: drivers/s390/
-F: block/partitions/ibm.c
F: Documentation/s390/
F: Documentation/DocBook/s390*
+S390 COMMON I/O LAYER
+M: Sebastian Ott <sebott@linux.vnet.ibm.com>
+M: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: drivers/s390/cio/
+
+S390 DASD DRIVER
+M: Stefan Weinhuber <wein@de.ibm.com>
+M: Stefan Haberland <stefan.haberland@de.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: drivers/s390/block/dasd*
+F: block/partitions/ibm.c
+
S390 NETWORK DRIVERS
M: Ursula Braun <ursula.braun@de.ibm.com>
M: Frank Blaschka <blaschka@linux.vnet.ibm.com>
S: Supported
F: drivers/s390/net/
+S390 PCI SUBSYSTEM
+M: Sebastian Ott <sebott@linux.vnet.ibm.com>
+M: Gerald Schaefer <gerald.schaefer@de.ibm.com>
+L: linux-s390@vger.kernel.org
+W: http://www.ibm.com/developerworks/linux/linux390/
+S: Supported
+F: arch/s390/pci/
+F: drivers/pci/hotplug/s390_pci_hpc.c
+
S390 ZCRYPT DRIVER
M: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
M: linux390@de.ibm.com
L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
F: drivers/clk/samsung/
+SAMSUNG SXGBE DRIVERS
+M: Byungho An <bh74.an@samsung.com>
+M: Girish K S <ks.giri@samsung.com>
+M: Siva Reddy Kallam <siva.kallam@samsung.com>
+M: Vipul Pandya <vipul.pandya@samsung.com>
+S: Supported
+L: netdev@vger.kernel.org
+F: drivers/net/ethernet/samsung/sxgbe/
+
SERIAL DRIVERS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-serial@vger.kernel.org
S: Supported
SELINUX SECURITY MODULE
+M: Paul Moore <paul@paul-moore.com>
M: Stephen Smalley <sds@tycho.nsa.gov>
-M: James Morris <james.l.morris@oracle.com>
M: Eric Paris <eparis@parisplace.org>
-M: Paul Moore <paul@paul-moore.com>
-L: selinux@tycho.nsa.gov (subscribers-only, general discussion)
+L: selinux@tycho.nsa.gov (moderated for non-subscribers)
W: http://selinuxproject.org
T: git git://git.infradead.org/users/pcmoore/selinux
S: Supported
F: drivers/tty/serial/ioc?_serial.c
F: include/linux/ioc?.h
-SGI VISUAL WORKSTATION 320 AND 540
-M: Andrey Panin <pazke@donpac.ru>
-L: linux-visws-devel@lists.sf.net
-W: http://linux-visws.sf.net
-S: Maintained for 2.6.
-F: Documentation/sgi-visws.txt
-
SGI XP/XPC/XPNET DRIVER
M: Cliff Whickman <cpw@sgi.com>
M: Robin Holt <robinmholt@gmail.com>
F: drivers/media/mmc/siano/
SH_VEU V4L2 MEM2MEM DRIVER
-M: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
L: linux-media@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/media/platform/sh_veu.c
SH_VOU V4L2 OUTPUT DRIVER
-M: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
L: linux-media@vger.kernel.org
-S: Odd Fixes
+S: Orphan
F: drivers/media/platform/sh_vou.c
F: include/media/sh_vou.h
S: Odd Fixes
F: drivers/staging/sm7xxfb/
+STAGING - SLICOSS
+M: Lior Dotan <liodot@gmail.com>
+M: Christopher Harrer <charrer@alacritech.com>
+S: Odd Fixes
+F: drivers/staging/slicoss/
+
STAGING - SOFTLOGIC 6x10 MPEG CODEC
M: Ismael Luceno <ismael.luceno@corp.bluecherry.net>
S: Supported
F: drivers/net/ethernet/dlink/sundance.c
SUPERH
-M: Paul Mundt <lethal@linux-sh.org>
L: linux-sh@vger.kernel.org
W: http://www.linux-sh.org
Q: http://patchwork.kernel.org/project/linux-sh/list/
-T: git git://github.com/pmundt/linux-sh.git sh-latest
-S: Supported
+S: Orphan
F: Documentation/sh/
F: arch/sh/
F: drivers/sh/
SUSPEND TO RAM
+M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
M: Len Brown <len.brown@intel.com>
M: Pavel Machek <pavel@ucw.cz>
-M: "Rafael J. Wysocki" <rjw@rjwysocki.net>
L: linux-pm@vger.kernel.org
S: Supported
F: Documentation/power/
L: linux-xtensa@linux-xtensa.org
S: Maintained
F: arch/xtensa/
+F: drivers/irqchip/irq-xtensa-*
THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
F: include/linux/cdrom.h
F: include/uapi/linux/cdrom.h
+UNISYS S-PAR DRIVERS
+M: Benjamin Romer <benjamin.romer@unisys.com>
+M: David Kershner <david.kershner@unisys.com>
+L: sparmaintainer@unisys.com (Unisys internal)
+S: Supported
+F: drivers/staging/unisys/
+
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
M: Vinayak Holikatti <vinholikatti@gmail.com>
M: Santosh Y <santoshsy@gmail.com>
F: drivers/net/wireless/ath/ar5523/
USB ATTACHED SCSI
-M: Matthew Wilcox <willy@linux.intel.com>
-M: Sarah Sharp <sarah.a.sharp@linux.intel.com>
+M: Hans de Goede <hdegoede@redhat.com>
M: Gerd Hoffmann <kraxel@redhat.com>
L: linux-usb@vger.kernel.org
L: linux-scsi@vger.kernel.org
F: drivers/net/wireless/rndis_wlan.c
USB XHCI DRIVER
-M: Sarah Sharp <sarah.a.sharp@linux.intel.com>
+M: Mathias Nyman <mathias.nyman@intel.com>
L: linux-usb@vger.kernel.org
S: Supported
F: drivers/usb/host/xhci*
VIRTIO CONSOLE DRIVER
M: Amit Shah <amit.shah@redhat.com>
-L: virtio-dev@lists.oasis-open.org
L: virtualization@lists.linux-foundation.org
S: Maintained
F: drivers/char/virtio_console.c
VIRTIO CORE, NET AND BLOCK DRIVERS
M: Rusty Russell <rusty@rustcorp.com.au>
M: "Michael S. Tsirkin" <mst@redhat.com>
-L: virtio-dev@lists.oasis-open.org
L: virtualization@lists.linux-foundation.org
S: Maintained
F: drivers/virtio/
VIRTIO HOST (VHOST)
M: "Michael S. Tsirkin" <mst@redhat.com>
L: kvm@vger.kernel.org
-L: virtio-dev@lists.oasis-open.org
L: virtualization@lists.linux-foundation.org
L: netdev@vger.kernel.org
S: Maintained
WIMAX STACK
M: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
M: linux-wimax@intel.com
-L: wimax@linuxwimax.org
+L: wimax@linuxwimax.org (subscribers-only)
S: Supported
W: http://linuxwimax.org
F: Documentation/wimax/README.wimax
S: Maintained
F: drivers/tty/serial/uartlite.c
+XTENSA XTFPGA PLATFORM SUPPORT
+M: Max Filippov <jcmvbkbc@gmail.com>
+L: linux-xtensa@linux-xtensa.org
+S: Maintained
+F: drivers/spi/spi-xtensa-xtfpga.c
+
YAM DRIVER FOR AX.25
M: Jean-Paul Roubelat <jpr@f6fbb.org>
L: linux-hams@vger.kernel.org
* published by the Free Software Foundation.
*/
+#include <dt-bindings/clock/exynos4.h>
#include "skeleton.dtsi"
/ {
reg = <0x10023CE0 0x20>;
};
+ pd_gps_alive: gps-alive-power-domain@10023D00 {
+ compatible = "samsung,exynos4210-pd";
+ reg = <0x10023D00 0x20>;
+ };
+
gic: interrupt-controller@10490000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;
reg = <0x10010000 0x400>;
};
+ dsi_0: dsi@11C80000 {
+ compatible = "samsung,exynos4210-mipi-dsi";
+ reg = <0x11C80000 0x10000>;
+ interrupts = <0 79 0>;
+ samsung,power-domain = <&pd_lcd0>;
+ phys = <&mipi_phy 1>;
+ phy-names = "dsim";
+ clocks = <&clock 286>, <&clock 143>;
+ clock-names = "bus_clk", "pll_clk";
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
camera {
compatible = "samsung,fimc", "simple-bus";
status = "disabled";
compatible = "samsung,exynos4210-fimc";
reg = <0x11800000 0x1000>;
interrupts = <0 84 0>;
- clocks = <&clock 256>, <&clock 128>;
+ clocks = <&clock CLK_FIMC0>, <&clock CLK_SCLK_FIMC0>;
clock-names = "fimc", "sclk_fimc";
samsung,power-domain = <&pd_cam>;
samsung,sysreg = <&sys_reg>;
compatible = "samsung,exynos4210-fimc";
reg = <0x11810000 0x1000>;
interrupts = <0 85 0>;
- clocks = <&clock 257>, <&clock 129>;
+ clocks = <&clock CLK_FIMC1>, <&clock CLK_SCLK_FIMC1>;
clock-names = "fimc", "sclk_fimc";
samsung,power-domain = <&pd_cam>;
samsung,sysreg = <&sys_reg>;
compatible = "samsung,exynos4210-fimc";
reg = <0x11820000 0x1000>;
interrupts = <0 86 0>;
- clocks = <&clock 258>, <&clock 130>;
+ clocks = <&clock CLK_FIMC2>, <&clock CLK_SCLK_FIMC2>;
clock-names = "fimc", "sclk_fimc";
samsung,power-domain = <&pd_cam>;
samsung,sysreg = <&sys_reg>;
compatible = "samsung,exynos4210-fimc";
reg = <0x11830000 0x1000>;
interrupts = <0 87 0>;
- clocks = <&clock 259>, <&clock 131>;
+ clocks = <&clock CLK_FIMC3>, <&clock CLK_SCLK_FIMC3>;
clock-names = "fimc", "sclk_fimc";
samsung,power-domain = <&pd_cam>;
samsung,sysreg = <&sys_reg>;
compatible = "samsung,exynos4210-csis";
reg = <0x11880000 0x4000>;
interrupts = <0 78 0>;
- clocks = <&clock 260>, <&clock 134>;
+ clocks = <&clock CLK_CSIS0>, <&clock CLK_SCLK_CSIS0>;
clock-names = "csis", "sclk_csis";
bus-width = <4>;
samsung,power-domain = <&pd_cam>;
compatible = "samsung,exynos4210-csis";
reg = <0x11890000 0x4000>;
interrupts = <0 80 0>;
- clocks = <&clock 261>, <&clock 135>;
+ clocks = <&clock CLK_CSIS1>, <&clock CLK_SCLK_CSIS1>;
clock-names = "csis", "sclk_csis";
bus-width = <2>;
samsung,power-domain = <&pd_cam>;
compatible = "samsung,s3c2410-wdt";
reg = <0x10060000 0x100>;
interrupts = <0 43 0>;
- clocks = <&clock 345>;
+ clocks = <&clock CLK_WDT>;
clock-names = "watchdog";
status = "disabled";
};
compatible = "samsung,s3c6410-rtc";
reg = <0x10070000 0x100>;
interrupts = <0 44 0>, <0 45 0>;
- clocks = <&clock 346>;
+ clocks = <&clock CLK_RTC>;
clock-names = "rtc";
status = "disabled";
};
compatible = "samsung,s5pv210-keypad";
reg = <0x100A0000 0x100>;
interrupts = <0 109 0>;
- clocks = <&clock 347>;
+ clocks = <&clock CLK_KEYIF>;
clock-names = "keypad";
status = "disabled";
};
compatible = "samsung,exynos4210-sdhci";
reg = <0x12510000 0x100>;
interrupts = <0 73 0>;
- clocks = <&clock 297>, <&clock 145>;
+ clocks = <&clock CLK_SDMMC0>, <&clock CLK_SCLK_MMC0>;
clock-names = "hsmmc", "mmc_busclk.2";
status = "disabled";
};
compatible = "samsung,exynos4210-sdhci";
reg = <0x12520000 0x100>;
interrupts = <0 74 0>;
- clocks = <&clock 298>, <&clock 146>;
+ clocks = <&clock CLK_SDMMC1>, <&clock CLK_SCLK_MMC1>;
clock-names = "hsmmc", "mmc_busclk.2";
status = "disabled";
};
compatible = "samsung,exynos4210-sdhci";
reg = <0x12530000 0x100>;
interrupts = <0 75 0>;
- clocks = <&clock 299>, <&clock 147>;
+ clocks = <&clock CLK_SDMMC2>, <&clock CLK_SCLK_MMC2>;
clock-names = "hsmmc", "mmc_busclk.2";
status = "disabled";
};
compatible = "samsung,exynos4210-sdhci";
reg = <0x12540000 0x100>;
interrupts = <0 76 0>;
- clocks = <&clock 300>, <&clock 148>;
+ clocks = <&clock CLK_SDMMC3>, <&clock CLK_SCLK_MMC3>;
clock-names = "hsmmc", "mmc_busclk.2";
status = "disabled";
};
compatible = "samsung,exynos4210-ehci";
reg = <0x12580000 0x100>;
interrupts = <0 70 0>;
- clocks = <&clock 304>;
+ clocks = <&clock CLK_USB_HOST>;
clock-names = "usbhost";
status = "disabled";
};
compatible = "samsung,exynos4210-ohci";
reg = <0x12590000 0x100>;
interrupts = <0 70 0>;
- clocks = <&clock 304>;
+ clocks = <&clock CLK_USB_HOST>;
clock-names = "usbhost";
status = "disabled";
};
reg = <0x13400000 0x10000>;
interrupts = <0 94 0>;
samsung,power-domain = <&pd_mfc>;
- clocks = <&clock 273>;
+ clocks = <&clock CLK_MFC>;
clock-names = "mfc";
status = "disabled";
};
compatible = "samsung,exynos4210-uart";
reg = <0x13800000 0x100>;
interrupts = <0 52 0>;
- clocks = <&clock 312>, <&clock 151>;
+ clocks = <&clock CLK_UART0>, <&clock CLK_SCLK_UART0>;
clock-names = "uart", "clk_uart_baud0";
status = "disabled";
};
compatible = "samsung,exynos4210-uart";
reg = <0x13810000 0x100>;
interrupts = <0 53 0>;
- clocks = <&clock 313>, <&clock 152>;
+ clocks = <&clock CLK_UART1>, <&clock CLK_SCLK_UART1>;
clock-names = "uart", "clk_uart_baud0";
status = "disabled";
};
compatible = "samsung,exynos4210-uart";
reg = <0x13820000 0x100>;
interrupts = <0 54 0>;
- clocks = <&clock 314>, <&clock 153>;
+ clocks = <&clock CLK_UART2>, <&clock CLK_SCLK_UART2>;
clock-names = "uart", "clk_uart_baud0";
status = "disabled";
};
compatible = "samsung,exynos4210-uart";
reg = <0x13830000 0x100>;
interrupts = <0 55 0>;
- clocks = <&clock 315>, <&clock 154>;
+ clocks = <&clock CLK_UART3>, <&clock CLK_SCLK_UART3>;
clock-names = "uart", "clk_uart_baud0";
status = "disabled";
};
compatible = "samsung,s3c2440-i2c";
reg = <0x13860000 0x100>;
interrupts = <0 58 0>;
- clocks = <&clock 317>;
+ clocks = <&clock CLK_I2C0>;
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_bus>;
compatible = "samsung,s3c2440-i2c";
reg = <0x13870000 0x100>;
interrupts = <0 59 0>;
- clocks = <&clock 318>;
+ clocks = <&clock CLK_I2C1>;
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_bus>;
compatible = "samsung,s3c2440-i2c";
reg = <0x13880000 0x100>;
interrupts = <0 60 0>;
- clocks = <&clock 319>;
+ clocks = <&clock CLK_I2C2>;
clock-names = "i2c";
status = "disabled";
};
compatible = "samsung,s3c2440-i2c";
reg = <0x13890000 0x100>;
interrupts = <0 61 0>;
- clocks = <&clock 320>;
+ clocks = <&clock CLK_I2C3>;
clock-names = "i2c";
status = "disabled";
};
compatible = "samsung,s3c2440-i2c";
reg = <0x138A0000 0x100>;
interrupts = <0 62 0>;
- clocks = <&clock 321>;
+ clocks = <&clock CLK_I2C4>;
clock-names = "i2c";
status = "disabled";
};
compatible = "samsung,s3c2440-i2c";
reg = <0x138B0000 0x100>;
interrupts = <0 63 0>;
- clocks = <&clock 322>;
+ clocks = <&clock CLK_I2C5>;
clock-names = "i2c";
status = "disabled";
};
compatible = "samsung,s3c2440-i2c";
reg = <0x138C0000 0x100>;
interrupts = <0 64 0>;
- clocks = <&clock 323>;
+ clocks = <&clock CLK_I2C6>;
clock-names = "i2c";
status = "disabled";
};
compatible = "samsung,s3c2440-i2c";
reg = <0x138D0000 0x100>;
interrupts = <0 65 0>;
- clocks = <&clock 324>;
+ clocks = <&clock CLK_I2C7>;
clock-names = "i2c";
status = "disabled";
};
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&clock 327>, <&clock 159>;
+ clocks = <&clock CLK_SPI0>, <&clock CLK_SCLK_SPI0>;
clock-names = "spi", "spi_busclk0";
pinctrl-names = "default";
pinctrl-0 = <&spi0_bus>;
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&clock 328>, <&clock 160>;
+ clocks = <&clock CLK_SPI1>, <&clock CLK_SCLK_SPI1>;
clock-names = "spi", "spi_busclk0";
pinctrl-names = "default";
pinctrl-0 = <&spi1_bus>;
dma-names = "tx", "rx";
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&clock 329>, <&clock 161>;
+ clocks = <&clock CLK_SPI2>, <&clock CLK_SCLK_SPI2>;
clock-names = "spi", "spi_busclk0";
pinctrl-names = "default";
pinctrl-0 = <&spi2_bus>;
compatible = "samsung,exynos4210-pwm";
reg = <0x139D0000 0x1000>;
interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>;
- clocks = <&clock 336>;
+ clocks = <&clock CLK_PWM>;
clock-names = "timers";
#pwm-cells = <2>;
status = "disabled";
compatible = "arm,pl330", "arm,primecell";
reg = <0x12680000 0x1000>;
interrupts = <0 35 0>;
- clocks = <&clock 292>;
+ clocks = <&clock CLK_PDMA0>;
clock-names = "apb_pclk";
#dma-cells = <1>;
#dma-channels = <8>;
compatible = "arm,pl330", "arm,primecell";
reg = <0x12690000 0x1000>;
interrupts = <0 36 0>;
- clocks = <&clock 293>;
+ clocks = <&clock CLK_PDMA1>;
clock-names = "apb_pclk";
#dma-cells = <1>;
#dma-channels = <8>;
compatible = "arm,pl330", "arm,primecell";
reg = <0x12850000 0x1000>;
interrupts = <0 34 0>;
- clocks = <&clock 279>;
+ clocks = <&clock CLK_MDMA>;
clock-names = "apb_pclk";
#dma-cells = <1>;
#dma-channels = <8>;
reg = <0x11c00000 0x20000>;
interrupt-names = "fifo", "vsync", "lcd_sys";
interrupts = <11 0>, <11 1>, <11 2>;
- clocks = <&clock 140>, <&clock 283>;
+ clocks = <&clock CLK_SCLK_FIMD0>, <&clock CLK_FIMD0>;
clock-names = "sclk_fimd", "fimd";
samsung,power-domain = <&pd_lcd0>;
status = "disabled";
/ {
model = "Samsung Trats based on Exynos4210";
- compatible = "samsung,trats", "samsung,exynos4210";
+ compatible = "samsung,trats", "samsung,exynos4210", "samsung,exynos4";
memory {
reg = <0x40000000 0x10000000
};
};
+ dsi_0: dsi@11C80000 {
+ vddcore-supply = <&vusb_reg>;
+ vddio-supply = <&vmipi_reg>;
+ samsung,pll-clock-frequency = <24000000>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ dsi_out: endpoint {
+ remote-endpoint = <&dsi_in>;
+ samsung,burst-clock-frequency = <500000000>;
+ samsung,esc-clock-frequency = <20000000>;
+ };
+ };
+ };
+
+ panel@0 {
+ reg = <0>;
+ compatible = "samsung,s6e8aa0";
+ vdd3-supply = <&vcclcd_reg>;
+ vci-supply = <&vlcd_reg>;
+ reset-gpios = <&gpy4 5 0>;
+ power-on-delay= <50>;
+ reset-delay = <100>;
+ init-delay = <100>;
+ flip-horizontal;
+ flip-vertical;
+ panel-width-mm = <58>;
+ panel-height-mm = <103>;
+
+ display-timings {
+ timing-0 {
+ clock-frequency = <57153600>;
+ hactive = <720>;
+ vactive = <1280>;
+ hfront-porch = <5>;
+ hback-porch = <5>;
+ hsync-len = <5>;
+ vfront-porch = <13>;
+ vback-porch = <1>;
+ vsync-len = <2>;
+ };
+ };
+
+ port {
+ dsi_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+ };
+ };
+
+ fimd@11c00000 {
+ status = "okay";
+ };
+
camera {
pinctrl-names = "default";
pinctrl-0 = <>;
/ {
model = "Samsung Universal C210 based on Exynos4210 rev0";
- compatible = "samsung,universal_c210", "samsung,exynos4210";
+ compatible = "samsung,universal_c210", "samsung,exynos4210", "samsung,exynos4";
memory {
reg = <0x40000000 0x10000000
};
};
+ spi-lcd {
+ compatible = "spi-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio-sck = <&gpy3 1 0>;
+ gpio-mosi = <&gpy3 3 0>;
+ num-chipselects = <1>;
+ cs-gpios = <&gpy4 3 0>;
+
+ lcd@0 {
+ compatible = "samsung,ld9040";
+ reg = <0>;
+ vdd3-supply = <&ldo7_reg>;
+ vci-supply = <&ldo17_reg>;
+ reset-gpios = <&gpy4 5 0>;
+ spi-max-frequency = <1200000>;
+ spi-cpol;
+ spi-cpha;
+ power-on-delay = <10>;
+ reset-delay = <10>;
+ panel-width-mm = <90>;
+ panel-height-mm = <154>;
+ display-timings {
+ timing {
+ clock-frequency = <23492370>;
+ hactive = <480>;
+ vactive = <800>;
+ hback-porch = <16>;
+ hfront-porch = <16>;
+ vback-porch = <2>;
+ vfront-porch = <28>;
+ hsync-len = <2>;
+ vsync-len = <1>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <0>;
+ };
+ };
+ port {
+ lcd_ep: endpoint {
+ remote-endpoint = <&fimd_dpi_ep>;
+ };
+ };
+ };
+ };
+
+ fimd: fimd@11c00000 {
+ pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
+ pinctrl-names = "default";
+ status = "okay";
+ samsung,invert-vden;
+ samsung,invert-vclk;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@3 {
+ reg = <3>;
+ fimd_dpi_ep: endpoint {
+ remote-endpoint = <&lcd_ep>;
+ };
+ };
+ };
+
pwm@139D0000 {
compatible = "samsung,s5p6440-pwm";
status = "okay";
/ {
model = "Samsung Trats 2 based on Exynos4412";
- compatible = "samsung,trats2", "samsung,exynos4412";
+ compatible = "samsung,trats2", "samsung,exynos4412", "samsung,exynos4";
aliases {
i2c8 = &i2c_ak8975;
enable-active-high;
};
+ lcd_vdd3_reg: voltage-regulator-2 {
+ compatible = "regulator-fixed";
+ regulator-name = "LCD_VDD_2.2V";
+ regulator-min-microvolt = <2200000>;
+ regulator-max-microvolt = <2200000>;
+ gpio = <&gpc0 1 0>;
+ enable-active-high;
+ };
+
/* More to come */
};
};
};
+ adc: adc@126C0000 {
+ vdd-supply = <&ldo3_reg>;
+ status = "okay";
+ };
+
i2c@13890000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-slave-addr = <0x10>;
};
};
+ dsi_0: dsi@11C80000 {
+ vddcore-supply = <&ldo8_reg>;
+ vddio-supply = <&ldo10_reg>;
+ samsung,pll-clock-frequency = <24000000>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ dsi_out: endpoint {
+ remote-endpoint = <&dsi_in>;
+ samsung,burst-clock-frequency = <500000000>;
+ samsung,esc-clock-frequency = <20000000>;
+ };
+ };
+ };
+
+ panel@0 {
+ compatible = "samsung,s6e8aa0";
+ reg = <0>;
+ vdd3-supply = <&lcd_vdd3_reg>;
+ vci-supply = <&ldo25_reg>;
+ reset-gpios = <&gpy4 5 0>;
+ power-on-delay= <50>;
+ reset-delay = <100>;
+ init-delay = <100>;
+ flip-horizontal;
+ flip-vertical;
+ panel-width-mm = <58>;
+ panel-height-mm = <103>;
+
+ display-timings {
+ timing-0 {
+ clock-frequency = <0>;
+ hactive = <720>;
+ vactive = <1280>;
+ hfront-porch = <5>;
+ hback-porch = <5>;
+ hsync-len = <5>;
+ vfront-porch = <13>;
+ vback-porch = <1>;
+ vsync-len = <2>;
+ };
+ };
+
+ port {
+ dsi_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+ };
+ };
+
+ fimd@11c00000 {
+ status = "okay";
+ };
+
camera {
pinctrl-0 = <&cam_port_b_clk_active>;
pinctrl-names = "default";
};
};
};
+
+ thermistor-ap@0 {
+ compatible = "ntc,ncp15wb473";
+ pullup-uv = <1800000>; /* VCC_1.8V_AP */
+ pullup-ohm = <100000>; /* 100K */
+ pulldown-ohm = <100000>; /* 100K */
+ io-channels = <&adc 1>; /* AP temperature */
+ };
+
+ thermistor-battery@1 {
+ compatible = "ntc,ncp15wb473";
+ pullup-uv = <1800000>; /* VCC_1.8V_AP */
+ pullup-ohm = <100000>; /* 100K */
+ pulldown-ohm = <100000>; /* 100K */
+ io-channels = <&adc 2>; /* Battery temperature */
+ };
};
* @maxX: max width for modes
* @maxY: max height for modes
*
- * LOCKING:
- * Caller must hold mode config lock.
- *
* Based on the helper callbacks implemented by @connector try to detect all
* valid modes. Modes will first be added to the connector's probed_modes list,
* then culled (based on validity and the @maxX, @maxY parameters) and put into
* @connector vfunc for drivers that use the crtc helpers for output mode
* filtering and detection.
*
- * RETURNS:
- * Number of modes found on @connector.
+ * Returns:
+ * The number of modes found on @connector.
*/
int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
uint32_t maxX, uint32_t maxY)
int mode_flags = 0;
bool verbose_prune = true;
+ WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
+
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", connector->base.id,
drm_get_connector_name(connector));
/* set all modes to the unverified state */
drm_mode_connector_list_update(connector);
if (maxX && maxY)
- drm_mode_validate_size(dev, &connector->modes, maxX,
- maxY, 0);
+ drm_mode_validate_size(dev, &connector->modes, maxX, maxY);
if (connector->interlace_allowed)
mode_flags |= DRM_MODE_FLAG_INTERLACE;
* drm_helper_encoder_in_use - check if a given encoder is in use
* @encoder: encoder to check
*
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Walk @encoders's DRM device's mode_config and see if it's in use.
+ * Checks whether @encoder is with the current mode setting output configuration
+ * in use by any connector. This doesn't mean that it is actually enabled since
+ * the DPMS state is tracked separately.
*
- * RETURNS:
- * True if @encoder is part of the mode_config, false otherwise.
+ * Returns:
+ * True if @encoder is used, false otherwise.
*/
bool drm_helper_encoder_in_use(struct drm_encoder *encoder)
{
struct drm_connector *connector;
struct drm_device *dev = encoder->dev;
+
+ WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
if (connector->encoder == encoder)
return true;
* drm_helper_crtc_in_use - check if a given CRTC is in a mode_config
* @crtc: CRTC to check
*
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * Walk @crtc's DRM device's mode_config and see if it's in use.
+ * Checks whether @crtc is with the current mode setting output configuration
+ * in use by any connector. This doesn't mean that it is actually enabled since
+ * the DPMS state is tracked separately.
*
- * RETURNS:
- * True if @crtc is part of the mode_config, false otherwise.
+ * Returns:
+ * True if @crtc is used, false otherwise.
*/
bool drm_helper_crtc_in_use(struct drm_crtc *crtc)
{
struct drm_encoder *encoder;
struct drm_device *dev = crtc->dev;
- /* FIXME: Locking around list access? */
+
+ WARN_ON(!mutex_is_locked(&dev->mode_config.mutex));
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
if (encoder->crtc == crtc && drm_helper_encoder_in_use(encoder))
return true;
encoder->bridge->funcs->post_disable(encoder->bridge);
}
- /**
- * drm_helper_disable_unused_functions - disable unused objects
- * @dev: DRM device
- *
- * LOCKING:
- * Caller must hold mode config lock.
- *
- * If an connector or CRTC isn't part of @dev's mode_config, it can be disabled
- * by calling its dpms function, which should power it off.
- */
- void drm_helper_disable_unused_functions(struct drm_device *dev)
+ static void __drm_helper_disable_unused_functions(struct drm_device *dev)
{
struct drm_encoder *encoder;
struct drm_connector *connector;
struct drm_crtc *crtc;
+ drm_warn_on_modeset_not_all_locked(dev);
+
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (!connector->encoder)
continue;
- if (connector->status == connector_status_disconnected)
- connector->encoder = NULL;
}
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
(*crtc_funcs->disable)(crtc);
else
(*crtc_funcs->dpms)(crtc, DRM_MODE_DPMS_OFF);
- crtc->fb = NULL;
+ crtc->primary->fb = NULL;
}
}
}
+
+ /**
+ * drm_helper_disable_unused_functions - disable unused objects
+ * @dev: DRM device
+ *
+ * This function walks through the entire mode setting configuration of @dev. It
+ * will remove any crtc links of unused encoders and encoder links of
+ * disconnected connectors. Then it will disable all unused encoders and crtcs
+ * either by calling their disable callback if available or by calling their
+ * dpms callback with DRM_MODE_DPMS_OFF.
+ */
+ void drm_helper_disable_unused_functions(struct drm_device *dev)
+ {
+ drm_modeset_lock_all(dev);
+ __drm_helper_disable_unused_functions(dev);
+ drm_modeset_unlock_all(dev);
+ }
EXPORT_SYMBOL(drm_helper_disable_unused_functions);
/*
* @y: vertical offset into the surface
* @old_fb: old framebuffer, for cleanup
*
- * LOCKING:
- * Caller must hold mode config lock.
- *
* Try to set @mode on @crtc. Give @crtc and its associated connectors a chance
* to fixup or reject the mode prior to trying to set it. This is an internal
* helper that drivers could e.g. use to update properties that require the
* drm_crtc_helper_set_config() helper function to drive the mode setting
* sequence.
*
- * RETURNS:
- * True if the mode was set successfully, or false otherwise.
+ * Returns:
+ * True if the mode was set successfully, false otherwise.
*/
bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_encoder *encoder;
bool ret = true;
+ drm_warn_on_modeset_not_all_locked(dev);
+
saved_enabled = crtc->enabled;
crtc->enabled = drm_helper_crtc_in_use(crtc);
if (!crtc->enabled)
}
}
- drm_helper_disable_unused_functions(dev);
+ __drm_helper_disable_unused_functions(dev);
return 0;
}
* drm_crtc_helper_set_config - set a new config from userspace
* @set: mode set configuration
*
- * LOCKING:
- * Caller must hold mode config lock.
- *
* Setup a new configuration, provided by the upper layers (either an ioctl call
- * from userspace or internally e.g. from the fbdev suppport code) in @set, and
+ * from userspace or internally e.g. from the fbdev support code) in @set, and
* enable it. This is the main helper functions for drivers that implement
* kernel mode setting with the crtc helper functions and the assorted
* ->prepare(), ->modeset() and ->commit() helper callbacks.
*
- * RETURNS:
- * Returns 0 on success, -ERRNO on failure.
+ * Returns:
+ * Returns 0 on success, negative errno numbers on failure.
*/
int drm_crtc_helper_set_config(struct drm_mode_set *set)
{
dev = set->crtc->dev;
+ drm_warn_on_modeset_not_all_locked(dev);
+
/*
* Allocate space for the backup of all (non-pointer) encoder and
* connector data.
save_set.mode = &set->crtc->mode;
save_set.x = set->crtc->x;
save_set.y = set->crtc->y;
- save_set.fb = set->crtc->fb;
+ save_set.fb = set->crtc->primary->fb;
/* We should be able to check here if the fb has the same properties
* and then just flip_or_move it */
- if (set->crtc->fb != set->fb) {
+ if (set->crtc->primary->fb != set->fb) {
/* If we have no fb then treat it as a full mode set */
- if (set->crtc->fb == NULL) {
+ if (set->crtc->primary->fb == NULL) {
DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
mode_changed = true;
} else if (set->fb == NULL) {
mode_changed = true;
} else if (set->fb->pixel_format !=
- set->crtc->fb->pixel_format) {
+ set->crtc->primary->fb->pixel_format) {
mode_changed = true;
} else
fb_changed = true;
if (new_encoder == NULL)
/* don't break so fail path works correct */
fail = 1;
- break;
if (connector->dpms != DRM_MODE_DPMS_ON) {
DRM_DEBUG_KMS("connector dpms not on, full mode switch\n");
mode_changed = true;
}
+
+ break;
}
}
DRM_DEBUG_KMS("attempting to set mode from"
" userspace\n");
drm_mode_debug_printmodeline(set->mode);
- set->crtc->fb = set->fb;
+ set->crtc->primary->fb = set->fb;
if (!drm_crtc_helper_set_mode(set->crtc, set->mode,
set->x, set->y,
save_set.fb)) {
DRM_ERROR("failed to set mode on [CRTC:%d]\n",
set->crtc->base.id);
- set->crtc->fb = save_set.fb;
+ set->crtc->primary->fb = save_set.fb;
ret = -EINVAL;
goto fail;
}
set->connectors[i]->funcs->dpms(set->connectors[i], DRM_MODE_DPMS_ON);
}
}
- drm_helper_disable_unused_functions(dev);
+ __drm_helper_disable_unused_functions(dev);
} else if (fb_changed) {
set->crtc->x = set->x;
set->crtc->y = set->y;
- set->crtc->fb = set->fb;
+ set->crtc->primary->fb = set->fb;
ret = crtc_funcs->mode_set_base(set->crtc,
set->x, set->y, save_set.fb);
if (ret != 0) {
set->crtc->x = save_set.x;
set->crtc->y = save_set.y;
- set->crtc->fb = save_set.fb;
+ set->crtc->primary->fb = save_set.fb;
goto fail;
}
}
}
EXPORT_SYMBOL(drm_helper_connector_dpms);
- int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
- struct drm_mode_fb_cmd2 *mode_cmd)
+ /**
+ * drm_helper_mode_fill_fb_struct - fill out framebuffer metadata
+ * @fb: drm_framebuffer object to fill out
+ * @mode_cmd: metadata from the userspace fb creation request
+ *
+ * This helper can be used in a drivers fb_create callback to pre-fill the fb's
+ * metadata fields.
+ */
+ void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
+ struct drm_mode_fb_cmd2 *mode_cmd)
{
int i;
drm_fb_get_bpp_depth(mode_cmd->pixel_format, &fb->depth,
&fb->bits_per_pixel);
fb->pixel_format = mode_cmd->pixel_format;
-
- return 0;
}
EXPORT_SYMBOL(drm_helper_mode_fill_fb_struct);
- int drm_helper_resume_force_mode(struct drm_device *dev)
+ /**
+ * drm_helper_resume_force_mode - force-restore mode setting configuration
+ * @dev: drm_device which should be restored
+ *
+ * Drivers which use the mode setting helpers can use this function to
+ * force-restore the mode setting configuration e.g. on resume or when something
+ * else might have trampled over the hw state (like some overzealous old BIOSen
+ * tended to do).
+ *
+ * This helper doesn't provide a error return value since restoring the old
+ * config should never fail due to resource allocation issues since the driver
+ * has successfully set the restored configuration already. Hence this should
+ * boil down to the equivalent of a few dpms on calls, which also don't provide
+ * an error code.
+ *
+ * Drivers where simply restoring an old configuration again might fail (e.g.
+ * due to slight differences in allocating shared resources when the
+ * configuration is restored in a different order than when userspace set it up)
+ * need to use their own restore logic.
+ */
+ void drm_helper_resume_force_mode(struct drm_device *dev)
{
struct drm_crtc *crtc;
struct drm_encoder *encoder;
struct drm_crtc_helper_funcs *crtc_funcs;
- int ret, encoder_dpms;
+ int encoder_dpms;
+ bool ret;
+ drm_modeset_lock_all(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (!crtc->enabled)
continue;
ret = drm_crtc_helper_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
+ crtc->x, crtc->y, crtc->primary->fb);
+ /* Restoring the old config should never fail! */
if (ret == false)
DRM_ERROR("failed to set mode on crtc %p\n", crtc);
drm_helper_choose_crtc_dpms(crtc));
}
}
+
/* disable the unused connectors while restoring the modesetting */
- drm_helper_disable_unused_functions(dev);
- return 0;
+ __drm_helper_disable_unused_functions(dev);
+ drm_modeset_unlock_all(dev);
}
EXPORT_SYMBOL(drm_helper_resume_force_mode);
+ /**
+ * drm_kms_helper_hotplug_event - fire off KMS hotplug events
+ * @dev: drm_device whose connector state changed
+ *
+ * This function fires off the uevent for userspace and also calls the
+ * output_poll_changed function, which is most commonly used to inform the fbdev
+ * emulation code and allow it to update the fbcon output configuration.
+ *
+ * Drivers should call this from their hotplug handling code when a change is
+ * detected. Note that this function does not do any output detection of its
+ * own, like drm_helper_hpd_irq_event() does - this is assumed to be done by the
+ * driver already.
+ *
+ * This function must be called from process context with no mode
+ * setting locks held.
+ */
void drm_kms_helper_hotplug_event(struct drm_device *dev)
{
/* send a uevent + call fbdev */
schedule_delayed_work(delayed_work, DRM_OUTPUT_POLL_PERIOD);
}
+ /**
+ * drm_kms_helper_poll_disable - disable output polling
+ * @dev: drm_device
+ *
+ * This function disables the output polling work.
+ *
+ * Drivers can call this helper from their device suspend implementation. It is
+ * not an error to call this even when output polling isn't enabled or arlready
+ * disabled.
+ */
void drm_kms_helper_poll_disable(struct drm_device *dev)
{
if (!dev->mode_config.poll_enabled)
}
EXPORT_SYMBOL(drm_kms_helper_poll_disable);
+ /**
+ * drm_kms_helper_poll_enable - re-enable output polling.
+ * @dev: drm_device
+ *
+ * This function re-enables the output polling work.
+ *
+ * Drivers can call this helper from their device resume implementation. It is
+ * an error to call this when the output polling support has not yet been set
+ * up.
+ */
void drm_kms_helper_poll_enable(struct drm_device *dev)
{
bool poll = false;
}
EXPORT_SYMBOL(drm_kms_helper_poll_enable);
+ /**
+ * drm_kms_helper_poll_init - initialize and enable output polling
+ * @dev: drm_device
+ *
+ * This function intializes and then also enables output polling support for
+ * @dev. Drivers which do not have reliable hotplug support in hardware can use
+ * this helper infrastructure to regularly poll such connectors for changes in
+ * their connection state.
+ *
+ * Drivers can control which connectors are polled by setting the
+ * DRM_CONNECTOR_POLL_CONNECT and DRM_CONNECTOR_POLL_DISCONNECT flags. On
+ * connectors where probing live outputs can result in visual distortion drivers
+ * should not set the DRM_CONNECTOR_POLL_DISCONNECT flag to avoid this.
+ * Connectors which have no flag or only DRM_CONNECTOR_POLL_HPD set are
+ * completely ignored by the polling logic.
+ *
+ * Note that a connector can be both polled and probed from the hotplug handler,
+ * in case the hotplug interrupt is known to be unreliable.
+ */
void drm_kms_helper_poll_init(struct drm_device *dev)
{
INIT_DELAYED_WORK(&dev->mode_config.output_poll_work, output_poll_execute);
}
EXPORT_SYMBOL(drm_kms_helper_poll_init);
+ /**
+ * drm_kms_helper_poll_fini - disable output polling and clean it up
+ * @dev: drm_device
+ */
void drm_kms_helper_poll_fini(struct drm_device *dev)
{
drm_kms_helper_poll_disable(dev);
}
EXPORT_SYMBOL(drm_kms_helper_poll_fini);
+ /**
+ * drm_helper_hpd_irq_event - hotplug processing
+ * @dev: drm_device
+ *
+ * Drivers can use this helper function to run a detect cycle on all connectors
+ * which have the DRM_CONNECTOR_POLL_HPD flag set in their &polled member. All
+ * other connectors are ignored, which is useful to avoid reprobing fixed
+ * panels.
+ *
+ * This helper function is useful for drivers which can't or don't track hotplug
+ * interrupts for each connector.
+ *
+ * Drivers which support hotplug interrupts for each connector individually and
+ * which have a more fine-grained detect logic should bypass this code and
+ * directly call drm_kms_helper_hotplug_event() in case the connector state
+ * changed.
+ *
+ * This function must be called from process context with no mode
+ * setting locks held.
+ *
+ * Note that a connector can be both polled and probed from the hotplug handler,
+ * in case the hotplug interrupt is known to be unreliable.
+ */
bool drm_helper_hpd_irq_event(struct drm_device *dev)
{
struct drm_connector *connector;
#include <linux/slab.h>
#include <linux/module.h>
- /* from BKL pushdown: note that nothing else serializes idr_find() */
+ /* from BKL pushdown */
DEFINE_MUTEX(drm_global_mutex);
EXPORT_SYMBOL(drm_global_mutex);
static int drm_open_helper(struct inode *inode, struct file *filp,
- struct drm_device * dev);
+ struct drm_minor *minor);
static int drm_setup(struct drm_device * dev)
{
*/
int drm_open(struct inode *inode, struct file *filp)
{
- struct drm_device *dev = NULL;
- int minor_id = iminor(inode);
+ struct drm_device *dev;
struct drm_minor *minor;
- int retcode = 0;
+ int retcode;
int need_setup = 0;
- struct address_space *old_mapping;
- struct address_space *old_imapping;
-
- minor = idr_find(&drm_minors_idr, minor_id);
- if (!minor)
- return -ENODEV;
- if (!(dev = minor->dev))
- return -ENODEV;
-
- if (drm_device_is_unplugged(dev))
- return -ENODEV;
+ minor = drm_minor_acquire(iminor(inode));
+ if (IS_ERR(minor))
+ return PTR_ERR(minor);
+ dev = minor->dev;
if (!dev->open_count++)
need_setup = 1;
- mutex_lock(&dev->struct_mutex);
- old_imapping = inode->i_mapping;
- old_mapping = dev->dev_mapping;
- if (old_mapping == NULL)
- dev->dev_mapping = &inode->i_data;
- /* ihold ensures nobody can remove inode with our i_data */
- ihold(container_of(dev->dev_mapping, struct inode, i_data));
- inode->i_mapping = dev->dev_mapping;
- filp->f_mapping = dev->dev_mapping;
- mutex_unlock(&dev->struct_mutex);
- retcode = drm_open_helper(inode, filp, dev);
+ /* share address_space across all char-devs of a single device */
+ filp->f_mapping = dev->anon_inode->i_mapping;
+
+ retcode = drm_open_helper(inode, filp, minor);
if (retcode)
goto err_undo;
if (need_setup) {
return 0;
err_undo:
- mutex_lock(&dev->struct_mutex);
- filp->f_mapping = old_imapping;
- inode->i_mapping = old_imapping;
- iput(container_of(dev->dev_mapping, struct inode, i_data));
- dev->dev_mapping = old_mapping;
- mutex_unlock(&dev->struct_mutex);
dev->open_count--;
+ drm_minor_release(minor);
return retcode;
}
EXPORT_SYMBOL(drm_open);
*/
int drm_stub_open(struct inode *inode, struct file *filp)
{
- struct drm_device *dev = NULL;
+ struct drm_device *dev;
struct drm_minor *minor;
- int minor_id = iminor(inode);
int err = -ENODEV;
const struct file_operations *new_fops;
DRM_DEBUG("\n");
mutex_lock(&drm_global_mutex);
- minor = idr_find(&drm_minors_idr, minor_id);
- if (!minor)
- goto out;
-
- if (!(dev = minor->dev))
- goto out;
-
- if (drm_device_is_unplugged(dev))
- goto out;
+ minor = drm_minor_acquire(iminor(inode));
+ if (IS_ERR(minor))
+ goto out_unlock;
+ dev = minor->dev;
new_fops = fops_get(dev->driver->fops);
if (!new_fops)
- goto out;
+ goto out_release;
replace_fops(filp, new_fops);
if (filp->f_op->open)
err = filp->f_op->open(inode, filp);
- out:
+
+ out_release:
+ drm_minor_release(minor);
+ out_unlock:
mutex_unlock(&drm_global_mutex);
return err;
}
*
* \param inode device inode.
* \param filp file pointer.
- * \param dev device.
+ * \param minor acquired minor-object.
* \return zero on success or a negative number on failure.
*
* Creates and initializes a drm_file structure for the file private data in \p
* filp and add it into the double linked list in \p dev.
*/
static int drm_open_helper(struct inode *inode, struct file *filp,
- struct drm_device * dev)
+ struct drm_minor *minor)
{
- int minor_id = iminor(inode);
+ struct drm_device *dev = minor->dev;
struct drm_file *priv;
int ret;
if (dev->switch_power_state != DRM_SWITCH_POWER_ON && dev->switch_power_state != DRM_SWITCH_POWER_DYNAMIC_OFF)
return -EINVAL;
- DRM_DEBUG("pid = %d, minor = %d\n", task_pid_nr(current), minor_id);
+ DRM_DEBUG("pid = %d, minor = %d\n", task_pid_nr(current), minor->index);
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
priv->filp = filp;
priv->uid = current_euid();
priv->pid = get_pid(task_pid(current));
- priv->minor = idr_find(&drm_minors_idr, minor_id);
- if (!priv->minor) {
- ret = -ENODEV;
- goto out_put_pid;
- }
+ priv->minor = minor;
/* for compatibility root is always authenticated */
priv->always_authenticated = capable(CAP_SYS_ADMIN);
/* if there is no current master make this fd it, but do not create
* any master object for render clients */
- mutex_lock(&dev->struct_mutex);
- if (!priv->minor->master && !drm_is_render_client(priv)) {
+ mutex_lock(&dev->master_mutex);
+ if (drm_is_primary_client(priv) && !priv->minor->master) {
/* create a new master */
priv->minor->master = drm_master_create(priv->minor);
if (!priv->minor->master) {
- mutex_unlock(&dev->struct_mutex);
ret = -ENOMEM;
goto out_close;
}
priv->is_master = 1;
/* take another reference for the copy in the local file priv */
priv->master = drm_master_get(priv->minor->master);
-
priv->authenticated = 1;
- mutex_unlock(&dev->struct_mutex);
if (dev->driver->master_create) {
ret = dev->driver->master_create(dev, priv->master);
if (ret) {
- mutex_lock(&dev->struct_mutex);
/* drop both references if this fails */
drm_master_put(&priv->minor->master);
drm_master_put(&priv->master);
- mutex_unlock(&dev->struct_mutex);
goto out_close;
}
}
- mutex_lock(&dev->struct_mutex);
if (dev->driver->master_set) {
ret = dev->driver->master_set(dev, priv, true);
if (ret) {
/* drop both references if this fails */
drm_master_put(&priv->minor->master);
drm_master_put(&priv->master);
- mutex_unlock(&dev->struct_mutex);
goto out_close;
}
}
- } else if (!drm_is_render_client(priv)) {
+ } else if (drm_is_primary_client(priv)) {
/* get a reference to the master */
priv->master = drm_master_get(priv->minor->master);
}
- mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev->master_mutex);
mutex_lock(&dev->struct_mutex);
list_add(&priv->lhead, &dev->filelist);
pci_dev_put(pci_dev);
}
if (!dev->hose) {
- struct pci_bus *b = pci_bus_b(pci_root_buses.next);
+ struct pci_bus *b = list_entry(pci_root_buses.next,
+ struct pci_bus, node);
if (b)
dev->hose = b->sysdata;
}
return 0;
out_close:
+ mutex_unlock(&dev->master_mutex);
if (dev->driver->postclose)
dev->driver->postclose(dev, priv);
out_prime_destroy:
drm_prime_destroy_file_private(&priv->prime);
if (dev->driver->driver_features & DRIVER_GEM)
drm_gem_release(dev, priv);
- out_put_pid:
put_pid(priv->pid);
kfree(priv);
filp->private_data = NULL;
drm_legacy_dma_takedown(dev);
- dev->dev_mapping = NULL;
mutex_unlock(&dev->struct_mutex);
drm_legacy_dev_reinit(dev);
int drm_release(struct inode *inode, struct file *filp)
{
struct drm_file *file_priv = filp->private_data;
- struct drm_device *dev = file_priv->minor->dev;
+ struct drm_minor *minor = file_priv->minor;
+ struct drm_device *dev = minor->dev;
int retcode = 0;
mutex_lock(&drm_global_mutex);
DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n",
task_pid_nr(current),
- (long)old_encode_dev(file_priv->minor->device),
+ (long)old_encode_dev(file_priv->minor->kdev->devt),
dev->open_count);
/* Release any auth tokens that might point to this file_priv,
}
mutex_unlock(&dev->ctxlist_mutex);
- mutex_lock(&dev->struct_mutex);
+ mutex_lock(&dev->master_mutex);
if (file_priv->is_master) {
struct drm_master *master = file_priv->master;
struct drm_file *temp;
+
+ mutex_lock(&dev->struct_mutex);
list_for_each_entry(temp, &dev->filelist, lhead) {
if ((temp->master == file_priv->master) &&
(temp != file_priv))
master->lock.file_priv = NULL;
wake_up_interruptible_all(&master->lock.lock_queue);
}
+ mutex_unlock(&dev->struct_mutex);
if (file_priv->minor->master == file_priv->master) {
/* drop the reference held my the minor */
}
}
- BUG_ON(dev->dev_mapping == NULL);
- iput(container_of(dev->dev_mapping, struct inode, i_data));
-
- /* drop the reference held my the file priv */
+ /* drop the master reference held by the file priv */
if (file_priv->master)
drm_master_put(&file_priv->master);
file_priv->is_master = 0;
+ mutex_unlock(&dev->master_mutex);
+
+ mutex_lock(&dev->struct_mutex);
list_del(&file_priv->lhead);
mutex_unlock(&dev->struct_mutex);
}
mutex_unlock(&drm_global_mutex);
+ drm_minor_release(minor);
+
return retcode;
}
EXPORT_SYMBOL(drm_release);
enum dma_data_direction dir;
};
- static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv, struct dma_buf *dma_buf, uint32_t handle)
+ static int drm_prime_add_buf_handle(struct drm_prime_file_private *prime_fpriv,
+ struct dma_buf *dma_buf, uint32_t handle)
{
struct drm_prime_member *member;
}
static struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
- enum dma_data_direction dir)
+ enum dma_data_direction dir)
{
struct drm_prime_attachment *prime_attach = attach->priv;
struct drm_gem_object *obj = attach->dmabuf->priv;
}
static void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,
- struct sg_table *sgt, enum dma_data_direction dir)
+ struct sg_table *sgt,
+ enum dma_data_direction dir)
{
/* nothing to be done here */
}
+ /**
+ * drm_gem_dmabuf_release - dma_buf release implementation for GEM
+ * @dma_buf: buffer to be released
+ *
+ * Generic release function for dma_bufs exported as PRIME buffers. GEM drivers
+ * must use this in their dma_buf ops structure as the release callback.
+ */
void drm_gem_dmabuf_release(struct dma_buf *dma_buf)
{
struct drm_gem_object *obj = dma_buf->priv;
}
static void *drm_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf,
- unsigned long page_num)
+ unsigned long page_num)
{
return NULL;
}
static void drm_gem_dmabuf_kunmap_atomic(struct dma_buf *dma_buf,
- unsigned long page_num, void *addr)
+ unsigned long page_num, void *addr)
{
}
static void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf,
- unsigned long page_num)
+ unsigned long page_num)
{
return NULL;
}
static void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf,
- unsigned long page_num, void *addr)
+ unsigned long page_num, void *addr)
{
}
static int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf,
- struct vm_area_struct *vma)
+ struct vm_area_struct *vma)
{
struct drm_gem_object *obj = dma_buf->priv;
struct drm_device *dev = obj->dev;
* driver's scatter/gather table
*/
+ /**
+ * drm_gem_prime_export - helper library implemention of the export callback
+ * @dev: drm_device to export from
+ * @obj: GEM object to export
+ * @flags: flags like DRM_CLOEXEC
+ *
+ * This is the implementation of the gem_prime_export functions for GEM drivers
+ * using the PRIME helpers.
+ */
struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
struct drm_gem_object *obj, int flags)
{
return dmabuf;
}
+ /**
+ * drm_gem_prime_handle_to_fd - PRIME export function for GEM drivers
+ * @dev: dev to export the buffer from
+ * @file_priv: drm file-private structure
+ * @handle: buffer handle to export
+ * @flags: flags like DRM_CLOEXEC
+ * @prime_fd: pointer to storage for the fd id of the create dma-buf
+ *
+ * This is the PRIME export function which must be used mandatorily by GEM
+ * drivers to ensure correct lifetime management of the underlying GEM object.
+ * The actual exporting from GEM object to a dma-buf is done through the
+ * gem_prime_export driver callback.
+ */
int drm_gem_prime_handle_to_fd(struct drm_device *dev,
- struct drm_file *file_priv, uint32_t handle, uint32_t flags,
- int *prime_fd)
+ struct drm_file *file_priv, uint32_t handle,
+ uint32_t flags,
+ int *prime_fd)
{
struct drm_gem_object *obj;
int ret = 0;
}
EXPORT_SYMBOL(drm_gem_prime_handle_to_fd);
+ /**
+ * drm_gem_prime_import - helper library implemention of the import callback
+ * @dev: drm_device to import into
+ * @dma_buf: dma-buf object to import
+ *
+ * This is the implementation of the gem_prime_import functions for GEM drivers
+ * using the PRIME helpers.
+ */
struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
struct dma_buf *dma_buf)
{
get_dma_buf(dma_buf);
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
- if (IS_ERR_OR_NULL(sgt)) {
+ if (IS_ERR(sgt)) {
ret = PTR_ERR(sgt);
goto fail_detach;
}
}
EXPORT_SYMBOL(drm_gem_prime_import);
+ /**
+ * drm_gem_prime_fd_to_handle - PRIME import function for GEM drivers
+ * @dev: dev to export the buffer from
+ * @file_priv: drm file-private structure
+ * @prime_fd: fd id of the dma-buf which should be imported
+ * @handle: pointer to storage for the handle of the imported buffer object
+ *
+ * This is the PRIME import function which must be used mandatorily by GEM
+ * drivers to ensure correct lifetime management of the underlying GEM object.
+ * The actual importing of GEM object from the dma-buf is done through the
+ * gem_import_export driver callback.
+ */
int drm_gem_prime_fd_to_handle(struct drm_device *dev,
- struct drm_file *file_priv, int prime_fd, uint32_t *handle)
+ struct drm_file *file_priv, int prime_fd,
+ uint32_t *handle)
{
struct dma_buf *dma_buf;
struct drm_gem_object *obj;
args->fd, &args->handle);
}
- /*
- * drm_prime_pages_to_sg
+ /**
+ * drm_prime_pages_to_sg - converts a page array into an sg list
+ * @pages: pointer to the array of page pointers to convert
+ * @nr_pages: length of the page vector
*
- * this helper creates an sg table object from a set of pages
+ * This helper creates an sg table object from a set of pages
* the driver is responsible for mapping the pages into the
- * importers address space
+ * importers address space for use with dma_buf itself.
*/
struct sg_table *drm_prime_pages_to_sg(struct page **pages, int nr_pages)
{
}
EXPORT_SYMBOL(drm_prime_pages_to_sg);
- /* export an sg table into an array of pages and addresses
- this is currently required by the TTM driver in order to do correct fault
- handling */
+ /**
+ * drm_prime_sg_to_page_addr_arrays - convert an sg table into a page array
+ * @sgt: scatter-gather table to convert
+ * @pages: array of page pointers to store the page array in
+ * @addrs: optional array to store the dma bus address of each page
+ * @max_pages: size of both the passed-in arrays
+ *
+ * Exports an sg table into an array of pages and addresses. This is currently
+ * required by the TTM driver in order to do correct fault handling.
+ */
int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
dma_addr_t *addrs, int max_pages)
{
return 0;
}
EXPORT_SYMBOL(drm_prime_sg_to_page_addr_arrays);
- /* helper function to cleanup a GEM/prime object */
+
+ /**
+ * drm_prime_gem_destroy - helper to clean up a PRIME-imported GEM object
+ * @obj: GEM object which was created from a dma-buf
+ * @sg: the sg-table which was pinned at import time
+ *
+ * This is the cleanup functions which GEM drivers need to call when they use
+ * @drm_gem_prime_import to import dma-bufs.
+ */
void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg)
{
struct dma_buf_attachment *attach;
INIT_LIST_HEAD(&prime_fpriv->head);
mutex_init(&prime_fpriv->lock);
}
- EXPORT_SYMBOL(drm_prime_init_file_private);
void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv)
{
/* by now drm_gem_release should've made sure the list is empty */
WARN_ON(!list_empty(&prime_fpriv->head));
}
- EXPORT_SYMBOL(drm_prime_destroy_file_private);
EXYNOS_DISPLAY_TYPE_VIDI,
};
- /*
- * Exynos drm overlay ops structure.
- *
- * @mode_set: copy drm overlay info to hw specific overlay info.
- * @commit: apply hardware specific overlay data to registers.
- * @enable: enable hardware specific overlay.
- * @disable: disable hardware specific overlay.
- */
- struct exynos_drm_overlay_ops {
- void (*mode_set)(struct device *subdrv_dev,
- struct exynos_drm_overlay *overlay);
- void (*commit)(struct device *subdrv_dev, int zpos);
- void (*enable)(struct device *subdrv_dev, int zpos);
- void (*disable)(struct device *subdrv_dev, int zpos);
- };
-
/*
* Exynos drm common overlay structure.
*
* Exynos DRM Display Structure.
* - this structure is common to analog tv, digital tv and lcd panel.
*
- * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
- * @is_connected: check for that display is connected or not.
- * @get_edid: get edid modes from display driver.
- * @get_panel: get panel object from display driver.
+ * @initialize: initializes the display with drm_dev
+ * @remove: cleans up the display for removal
+ * @mode_fixup: fix mode data comparing to hw specific display mode.
+ * @mode_set: convert drm_display_mode to hw specific display mode and
+ * would be called by encoder->mode_set().
* @check_mode: check if mode is valid or not.
- * @power_on: display device on or off.
+ * @dpms: display device on or off.
+ * @commit: apply changes to hw
*/
+ struct exynos_drm_display;
struct exynos_drm_display_ops {
+ int (*initialize)(struct exynos_drm_display *display,
+ struct drm_device *drm_dev);
+ int (*create_connector)(struct exynos_drm_display *display,
+ struct drm_encoder *encoder);
+ void (*remove)(struct exynos_drm_display *display);
+ void (*mode_fixup)(struct exynos_drm_display *display,
+ struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode);
+ void (*mode_set)(struct exynos_drm_display *display,
+ struct drm_display_mode *mode);
+ int (*check_mode)(struct exynos_drm_display *display,
+ struct drm_display_mode *mode);
+ void (*dpms)(struct exynos_drm_display *display, int mode);
+ void (*commit)(struct exynos_drm_display *display);
+ };
+
+ /*
+ * Exynos drm display structure, maps 1:1 with an encoder/connector
+ *
+ * @list: the list entry for this manager
+ * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @encoder: encoder object this display maps to
+ * @connector: connector object this display maps to
+ * @ops: pointer to callbacks for exynos drm specific functionality
+ * @ctx: A pointer to the display's implementation specific context
+ */
+ struct exynos_drm_display {
+ struct list_head list;
enum exynos_drm_output_type type;
- bool (*is_connected)(struct device *dev);
- struct edid *(*get_edid)(struct device *dev,
- struct drm_connector *connector);
- void *(*get_panel)(struct device *dev);
- int (*check_mode)(struct device *dev, struct drm_display_mode *mode);
- int (*power_on)(struct device *dev, int mode);
+ struct drm_encoder *encoder;
+ struct drm_connector *connector;
+ struct exynos_drm_display_ops *ops;
+ void *ctx;
};
/*
* Exynos drm manager ops
*
+ * @initialize: initializes the manager with drm_dev
+ * @remove: cleans up the manager for removal
* @dpms: control device power.
- * @apply: set timing, vblank and overlay data to registers.
- * @mode_fixup: fix mode data comparing to hw specific display mode.
- * @mode_set: convert drm_display_mode to hw specific display mode and
- * would be called by encoder->mode_set().
- * @get_max_resol: get maximum resolution to specific hardware.
+ * @mode_fixup: fix mode data before applying it
+ * @mode_set: set the given mode to the manager
* @commit: set current hw specific display mode to hw.
* @enable_vblank: specific driver callback for enabling vblank interrupt.
* @disable_vblank: specific driver callback for disabling vblank interrupt.
* @wait_for_vblank: wait for vblank interrupt to make sure that
* hardware overlay is updated.
+ * @win_mode_set: copy drm overlay info to hw specific overlay info.
+ * @win_commit: apply hardware specific overlay data to registers.
+ * @win_enable: enable hardware specific overlay.
+ * @win_disable: disable hardware specific overlay.
*/
+ struct exynos_drm_manager;
struct exynos_drm_manager_ops {
- void (*dpms)(struct device *subdrv_dev, int mode);
- void (*apply)(struct device *subdrv_dev);
- void (*mode_fixup)(struct device *subdrv_dev,
- struct drm_connector *connector,
+ int (*initialize)(struct exynos_drm_manager *mgr,
+ struct drm_device *drm_dev, int pipe);
+ void (*remove)(struct exynos_drm_manager *mgr);
+ void (*dpms)(struct exynos_drm_manager *mgr, int mode);
+ bool (*mode_fixup)(struct exynos_drm_manager *mgr,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
- void (*mode_set)(struct device *subdrv_dev, void *mode);
- void (*get_max_resol)(struct device *subdrv_dev, unsigned int *width,
- unsigned int *height);
- void (*commit)(struct device *subdrv_dev);
- int (*enable_vblank)(struct device *subdrv_dev);
- void (*disable_vblank)(struct device *subdrv_dev);
- void (*wait_for_vblank)(struct device *subdrv_dev);
+ void (*mode_set)(struct exynos_drm_manager *mgr,
+ const struct drm_display_mode *mode);
+ void (*commit)(struct exynos_drm_manager *mgr);
+ int (*enable_vblank)(struct exynos_drm_manager *mgr);
+ void (*disable_vblank)(struct exynos_drm_manager *mgr);
+ void (*wait_for_vblank)(struct exynos_drm_manager *mgr);
+ void (*win_mode_set)(struct exynos_drm_manager *mgr,
+ struct exynos_drm_overlay *overlay);
+ void (*win_commit)(struct exynos_drm_manager *mgr, int zpos);
+ void (*win_enable)(struct exynos_drm_manager *mgr, int zpos);
+ void (*win_disable)(struct exynos_drm_manager *mgr, int zpos);
};
/*
- * Exynos drm common manager structure.
+ * Exynos drm common manager structure, maps 1:1 with a crtc
*
- * @dev: pointer to device object for subdrv device driver.
- * sub drivers such as display controller or hdmi driver,
- * have their own device object.
- * @ops: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control hardware global registers.
- * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control hardware overlay reigsters.
- * @display: pointer to callbacks for exynos drm specific framebuffer.
- * these callbacks should be set by specific drivers such fimd
- * or hdmi driver and are used to control display devices such as
- * analog tv, digital tv and lcd panel and also get timing data for them.
+ * @list: the list entry for this manager
+ * @type: one of EXYNOS_DISPLAY_TYPE_LCD and HDMI.
+ * @drm_dev: pointer to the drm device
+ * @pipe: the pipe number for this crtc/manager
+ * @ops: pointer to callbacks for exynos drm specific functionality
+ * @ctx: A pointer to the manager's implementation specific context
*/
struct exynos_drm_manager {
- struct device *dev;
+ struct list_head list;
+ enum exynos_drm_output_type type;
+ struct drm_device *drm_dev;
int pipe;
struct exynos_drm_manager_ops *ops;
- struct exynos_drm_overlay_ops *overlay_ops;
- struct exynos_drm_display_ops *display_ops;
+ void *ctx;
};
struct exynos_drm_g2d_private {
* otherwise default one.
* @da_space_size: size of device address space.
* if 0 then default value is used for it.
- * @da_space_order: order to device address space.
*/
struct exynos_drm_private {
struct drm_fb_helper *fb_helper;
unsigned long da_start;
unsigned long da_space_size;
- unsigned long da_space_order;
};
/*
* by probe callback.
* @open: this would be called with drm device file open.
* @close: this would be called with drm device file close.
- * @encoder: encoder object owned by this sub driver.
- * @connector: connector object owned by this sub driver.
*/
struct exynos_drm_subdrv {
struct list_head list;
struct device *dev;
struct drm_device *drm_dev;
- struct exynos_drm_manager *manager;
int (*probe)(struct drm_device *drm_dev, struct device *dev);
void (*remove)(struct drm_device *drm_dev, struct device *dev);
struct drm_file *file);
void (*close)(struct drm_device *drm_dev, struct device *dev,
struct drm_file *file);
-
- struct drm_encoder *encoder;
- struct drm_connector *connector;
};
/*
*/
int exynos_drm_device_unregister(struct drm_device *dev);
+ int exynos_drm_initialize_managers(struct drm_device *dev);
+ void exynos_drm_remove_managers(struct drm_device *dev);
+ int exynos_drm_initialize_displays(struct drm_device *dev);
+ void exynos_drm_remove_displays(struct drm_device *dev);
+
+ int exynos_drm_manager_register(struct exynos_drm_manager *manager);
+ int exynos_drm_manager_unregister(struct exynos_drm_manager *manager);
+ int exynos_drm_display_register(struct exynos_drm_display *display);
+ int exynos_drm_display_unregister(struct exynos_drm_display *display);
+
/*
* this function would be called by sub drivers such as display controller
* or hdmi driver to register this sub driver object to exynos drm driver
*/
void exynos_platform_device_ipp_unregister(void);
+ #ifdef CONFIG_DRM_EXYNOS_DPI
+ int exynos_dpi_probe(struct device *dev);
+ int exynos_dpi_remove(struct device *dev);
+ #else
+ static inline int exynos_dpi_probe(struct device *dev) { return 0; }
+ static inline int exynos_dpi_remove(struct device *dev) { return 0; }
+ #endif
+
+ extern struct platform_driver dp_driver;
+ extern struct platform_driver dsi_driver;
extern struct platform_driver fimd_driver;
extern struct platform_driver hdmi_driver;
extern struct platform_driver mixer_driver;
#include <drm/drmP.h>
#include "psb_drv.h"
#include "psb_reg.h"
+ #include "mmu.h"
/*
* Code for the SGX MMU:
* but on average it should be fast.
*/
- struct psb_mmu_driver {
- /* protects driver- and pd structures. Always take in read mode
- * before taking the page table spinlock.
- */
- struct rw_semaphore sem;
-
- /* protects page tables, directory tables and pt tables.
- * and pt structures.
- */
- spinlock_t lock;
-
- atomic_t needs_tlbflush;
-
- uint8_t __iomem *register_map;
- struct psb_mmu_pd *default_pd;
- /*uint32_t bif_ctrl;*/
- int has_clflush;
- int clflush_add;
- unsigned long clflush_mask;
-
- struct drm_psb_private *dev_priv;
- };
-
- struct psb_mmu_pd;
-
- struct psb_mmu_pt {
- struct psb_mmu_pd *pd;
- uint32_t index;
- uint32_t count;
- struct page *p;
- uint32_t *v;
- };
-
- struct psb_mmu_pd {
- struct psb_mmu_driver *driver;
- int hw_context;
- struct psb_mmu_pt **tables;
- struct page *p;
- struct page *dummy_pt;
- struct page *dummy_page;
- uint32_t pd_mask;
- uint32_t invalid_pde;
- uint32_t invalid_pte;
- };
-
static inline uint32_t psb_mmu_pt_index(uint32_t offset)
{
return (offset >> PSB_PTE_SHIFT) & 0x3FF;
return offset >> PSB_PDE_SHIFT;
}
+ #if defined(CONFIG_X86)
static inline void psb_clflush(void *addr)
{
__asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory");
}
- static inline void psb_mmu_clflush(struct psb_mmu_driver *driver,
- void *addr)
+ static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr)
{
if (!driver->has_clflush)
return;
psb_clflush(addr);
mb();
}
+ #else
- static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page)
- {
- uint32_t clflush_add = driver->clflush_add >> PAGE_SHIFT;
- uint32_t clflush_count = PAGE_SIZE / clflush_add;
- int i;
- uint8_t *clf;
-
- clf = kmap_atomic(page);
- mb();
- for (i = 0; i < clflush_count; ++i) {
- psb_clflush(clf);
- clf += clflush_add;
- }
- mb();
- kunmap_atomic(clf);
+ static inline void psb_mmu_clflush(struct psb_mmu_driver *driver, void *addr)
+ {;
}
- static void psb_pages_clflush(struct psb_mmu_driver *driver,
- struct page *page[], unsigned long num_pages)
- {
- int i;
-
- if (!driver->has_clflush)
- return ;
+ #endif
- for (i = 0; i < num_pages; i++)
- psb_page_clflush(driver, *page++);
- }
-
- static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver,
- int force)
+ static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver, int force)
{
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ if (atomic_read(&driver->needs_tlbflush) || force) {
+ uint32_t val = PSB_RSGX32(PSB_CR_BIF_CTRL);
+ PSB_WSGX32(val | _PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL);
+
+ /* Make sure data cache is turned off before enabling it */
+ wmb();
+ PSB_WSGX32(val & ~_PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL);
+ (void)PSB_RSGX32(PSB_CR_BIF_CTRL);
+ if (driver->msvdx_mmu_invaldc)
+ atomic_set(driver->msvdx_mmu_invaldc, 1);
+ }
atomic_set(&driver->needs_tlbflush, 0);
}
+ #if 0
static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force)
{
down_write(&driver->sem);
psb_mmu_flush_pd_locked(driver, force);
up_write(&driver->sem);
}
+ #endif
- void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot)
+ void psb_mmu_flush(struct psb_mmu_driver *driver)
{
- if (rc_prot)
- down_write(&driver->sem);
- if (rc_prot)
- up_write(&driver->sem);
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ uint32_t val;
+
+ down_write(&driver->sem);
+ val = PSB_RSGX32(PSB_CR_BIF_CTRL);
+ if (atomic_read(&driver->needs_tlbflush))
+ PSB_WSGX32(val | _PSB_CB_CTRL_INVALDC, PSB_CR_BIF_CTRL);
+ else
+ PSB_WSGX32(val | _PSB_CB_CTRL_FLUSH, PSB_CR_BIF_CTRL);
+
+ /* Make sure data cache is turned off and MMU is flushed before
+ restoring bank interface control register */
+ wmb();
+ PSB_WSGX32(val & ~(_PSB_CB_CTRL_FLUSH | _PSB_CB_CTRL_INVALDC),
+ PSB_CR_BIF_CTRL);
+ (void)PSB_RSGX32(PSB_CR_BIF_CTRL);
+
+ atomic_set(&driver->needs_tlbflush, 0);
+ if (driver->msvdx_mmu_invaldc)
+ atomic_set(driver->msvdx_mmu_invaldc, 1);
+ up_write(&driver->sem);
}
void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context)
{
- /*ttm_tt_cache_flush(&pd->p, 1);*/
- psb_pages_clflush(pd->driver, &pd->p, 1);
+ struct drm_device *dev = pd->driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+ uint32_t offset = (hw_context == 0) ? PSB_CR_BIF_DIR_LIST_BASE0 :
+ PSB_CR_BIF_DIR_LIST_BASE1 + hw_context * 4;
+
down_write(&pd->driver->sem);
+ PSB_WSGX32(page_to_pfn(pd->p) << PAGE_SHIFT, offset);
wmb();
psb_mmu_flush_pd_locked(pd->driver, 1);
pd->hw_context = hw_context;
static inline unsigned long psb_pd_addr_end(unsigned long addr,
unsigned long end)
{
-
addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK;
return (addr < end) ? addr : end;
}
goto out_err3;
if (!trap_pagefaults) {
- pd->invalid_pde =
- psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt),
- invalid_type);
- pd->invalid_pte =
- psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),
- invalid_type);
+ pd->invalid_pde = psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt),
+ invalid_type);
+ pd->invalid_pte = psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),
+ invalid_type);
} else {
pd->invalid_pde = 0;
pd->invalid_pte = 0;
void psb_mmu_free_pagedir(struct psb_mmu_pd *pd)
{
struct psb_mmu_driver *driver = pd->driver;
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
struct psb_mmu_pt *pt;
int i;
down_write(&driver->sem);
- if (pd->hw_context != -1)
+ if (pd->hw_context != -1) {
+ PSB_WSGX32(0, PSB_CR_BIF_DIR_LIST_BASE0 + pd->hw_context * 4);
psb_mmu_flush_pd_locked(driver, 1);
+ }
/* Should take the spinlock here, but we don't need to do that
since we have the semaphore in write mode. */
for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
*ptes++ = pd->invalid_pte;
-
+ #if defined(CONFIG_X86)
if (pd->driver->has_clflush && pd->hw_context != -1) {
mb();
for (i = 0; i < clflush_count; ++i) {
}
mb();
}
-
+ #endif
kunmap_atomic(v);
spin_unlock(lock);
return pt;
}
- static struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
+ struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
unsigned long addr)
{
uint32_t index = psb_mmu_pd_index(addr);
kunmap_atomic((void *) v);
if (pd->hw_context != -1) {
- psb_mmu_clflush(pd->driver, (void *) &v[index]);
+ psb_mmu_clflush(pd->driver, (void *)&v[index]);
atomic_set(&pd->driver->needs_tlbflush, 1);
}
}
pd->tables[pt->index] = NULL;
if (pd->hw_context != -1) {
- psb_mmu_clflush(pd->driver,
- (void *) &v[pt->index]);
+ psb_mmu_clflush(pd->driver, (void *)&v[pt->index]);
atomic_set(&pd->driver->needs_tlbflush, 1);
}
kunmap_atomic(pt->v);
spin_unlock(&pd->driver->lock);
}
- static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt,
- unsigned long addr, uint32_t pte)
+ static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt, unsigned long addr,
+ uint32_t pte)
{
pt->v[psb_mmu_pt_index(addr)] = pte;
}
pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte;
}
-
- void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
- uint32_t mmu_offset, uint32_t gtt_start,
- uint32_t gtt_pages)
+ struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
{
- uint32_t *v;
- uint32_t start = psb_mmu_pd_index(mmu_offset);
- struct psb_mmu_driver *driver = pd->driver;
- int num_pages = gtt_pages;
+ struct psb_mmu_pd *pd;
down_read(&driver->sem);
- spin_lock(&driver->lock);
-
- v = kmap_atomic(pd->p);
- v += start;
-
- while (gtt_pages--) {
- *v++ = gtt_start | pd->pd_mask;
- gtt_start += PAGE_SIZE;
- }
-
- /*ttm_tt_cache_flush(&pd->p, num_pages);*/
- psb_pages_clflush(pd->driver, &pd->p, num_pages);
- kunmap_atomic(v);
- spin_unlock(&driver->lock);
-
- if (pd->hw_context != -1)
- atomic_set(&pd->driver->needs_tlbflush, 1);
+ pd = driver->default_pd;
+ up_read(&driver->sem);
- up_read(&pd->driver->sem);
- psb_mmu_flush_pd(pd->driver, 0);
+ return pd;
}
- struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
+ /* Returns the physical address of the PD shared by sgx/msvdx */
+ uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver)
{
struct psb_mmu_pd *pd;
- /* down_read(&driver->sem); */
- pd = driver->default_pd;
- /* up_read(&driver->sem); */
-
- return pd;
+ pd = psb_mmu_get_default_pd(driver);
+ return page_to_pfn(pd->p) << PAGE_SHIFT;
}
void psb_mmu_driver_takedown(struct psb_mmu_driver *driver)
{
+ struct drm_device *dev = driver->dev;
+ struct drm_psb_private *dev_priv = dev->dev_private;
+
+ PSB_WSGX32(driver->bif_ctrl, PSB_CR_BIF_CTRL);
psb_mmu_free_pagedir(driver->default_pd);
kfree(driver);
}
- struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
- int trap_pagefaults,
- int invalid_type,
- struct drm_psb_private *dev_priv)
+ struct psb_mmu_driver *psb_mmu_driver_init(struct drm_device *dev,
+ int trap_pagefaults,
+ int invalid_type,
+ atomic_t *msvdx_mmu_invaldc)
{
struct psb_mmu_driver *driver;
+ struct drm_psb_private *dev_priv = dev->dev_private;
driver = kmalloc(sizeof(*driver), GFP_KERNEL);
if (!driver)
return NULL;
- driver->dev_priv = dev_priv;
+ driver->dev = dev;
driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults,
invalid_type);
if (!driver->default_pd)
spin_lock_init(&driver->lock);
init_rwsem(&driver->sem);
down_write(&driver->sem);
- driver->register_map = registers;
atomic_set(&driver->needs_tlbflush, 1);
+ driver->msvdx_mmu_invaldc = msvdx_mmu_invaldc;
+
+ driver->bif_ctrl = PSB_RSGX32(PSB_CR_BIF_CTRL);
+ PSB_WSGX32(driver->bif_ctrl | _PSB_CB_CTRL_CLEAR_FAULT,
+ PSB_CR_BIF_CTRL);
+ PSB_WSGX32(driver->bif_ctrl & ~_PSB_CB_CTRL_CLEAR_FAULT,
+ PSB_CR_BIF_CTRL);
driver->has_clflush = 0;
- if (boot_cpu_has(X86_FEATURE_CLFLSH)) {
+ #if defined(CONFIG_X86)
+ if (boot_cpu_has(X86_FEATURE_CLFLUSH)) {
uint32_t tfms, misc, cap0, cap4, clflush_size;
/*
- * clflush size is determined at kernel setup for x86_64
- * but not for i386. We have to do it here.
+ * clflush size is determined at kernel setup for x86_64 but not
+ * for i386. We have to do it here.
*/
cpuid(0x00000001, &tfms, &misc, &cap0, &cap4);
driver->clflush_mask = driver->clflush_add - 1;
driver->clflush_mask = ~driver->clflush_mask;
}
+ #endif
up_write(&driver->sem);
return driver;
return NULL;
}
- static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd,
- unsigned long address, uint32_t num_pages,
- uint32_t desired_tile_stride,
+ #if defined(CONFIG_X86)
+ static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
+ uint32_t num_pages, uint32_t desired_tile_stride,
uint32_t hw_tile_stride)
{
struct psb_mmu_pt *pt;
unsigned long clflush_add = pd->driver->clflush_add;
unsigned long clflush_mask = pd->driver->clflush_mask;
- if (!pd->driver->has_clflush) {
- /*ttm_tt_cache_flush(&pd->p, num_pages);*/
- psb_pages_clflush(pd->driver, &pd->p, num_pages);
+ if (!pd->driver->has_clflush)
return;
- }
if (hw_tile_stride)
rows = num_pages / desired_tile_stride;
if (!pt)
continue;
do {
- psb_clflush(&pt->v
- [psb_mmu_pt_index(addr)]);
- } while (addr +=
- clflush_add,
+ psb_clflush(&pt->v[psb_mmu_pt_index(addr)]);
+ } while (addr += clflush_add,
(addr & clflush_mask) < next);
psb_mmu_pt_unmap_unlock(pt);
}
mb();
}
+ #else
+ static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd, unsigned long address,
+ uint32_t num_pages, uint32_t desired_tile_stride,
+ uint32_t hw_tile_stride)
+ {
+ drm_ttm_cache_flush();
+ }
+ #endif
void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
unsigned long address, uint32_t num_pages)
up_read(&pd->driver->sem);
if (pd->hw_context != -1)
- psb_mmu_flush(pd->driver, 0);
+ psb_mmu_flush(pd->driver);
return;
}
add = desired_tile_stride << PAGE_SHIFT;
row_add = hw_tile_stride << PAGE_SHIFT;
- /* down_read(&pd->driver->sem); */
+ down_read(&pd->driver->sem);
/* Make sure we only need to flush this processor's cache */
psb_mmu_flush_ptes(pd, f_address, num_pages,
desired_tile_stride, hw_tile_stride);
- /* up_read(&pd->driver->sem); */
+ up_read(&pd->driver->sem);
if (pd->hw_context != -1)
- psb_mmu_flush(pd->driver, 0);
+ psb_mmu_flush(pd->driver);
}
int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn,
unsigned long end;
unsigned long next;
unsigned long f_address = address;
- int ret = 0;
+ int ret = -ENOMEM;
down_read(&pd->driver->sem);
psb_mmu_pt_unmap_unlock(pt);
} while (addr = next, next != end);
+ ret = 0;
out:
if (pd->hw_context != -1)
up_read(&pd->driver->sem);
if (pd->hw_context != -1)
- psb_mmu_flush(pd->driver, 1);
+ psb_mmu_flush(pd->driver);
- return ret;
+ return 0;
}
int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
unsigned long address, uint32_t num_pages,
- uint32_t desired_tile_stride,
- uint32_t hw_tile_stride, int type)
+ uint32_t desired_tile_stride, uint32_t hw_tile_stride,
+ int type)
{
struct psb_mmu_pt *pt;
uint32_t rows = 1;
unsigned long add;
unsigned long row_add;
unsigned long f_address = address;
- int ret = 0;
+ int ret = -ENOMEM;
if (hw_tile_stride) {
if (num_pages % desired_tile_stride != 0)
do {
next = psb_pd_addr_end(addr, end);
pt = psb_mmu_pt_alloc_map_lock(pd, addr);
- if (!pt) {
- ret = -ENOMEM;
+ if (!pt)
goto out;
- }
do {
- pte =
- psb_mmu_mask_pte(page_to_pfn(*pages++),
- type);
+ pte = psb_mmu_mask_pte(page_to_pfn(*pages++),
+ type);
psb_mmu_set_pte(pt, addr, pte);
pt->count++;
} while (addr += PAGE_SIZE, addr < next);
address += row_add;
}
+
+ ret = 0;
out:
if (pd->hw_context != -1)
psb_mmu_flush_ptes(pd, f_address, num_pages,
up_read(&pd->driver->sem);
if (pd->hw_context != -1)
- psb_mmu_flush(pd->driver, 1);
+ psb_mmu_flush(pd->driver);
return ret;
}
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
+#include <linux/component.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/device.h>
ipu_crtc->newfb = fb;
ipu_crtc->page_flip_event = event;
- crtc->fb = fb;
+ crtc->primary->fb = fb;
return 0;
}
return ret;
}
- return ipu_plane_mode_set(ipu_crtc->plane[0], crtc, mode, crtc->fb,
+ return ipu_plane_mode_set(ipu_crtc->plane[0], crtc, mode, crtc->primary->fb,
0, 0, mode->hdisplay, mode->vdisplay,
x, y, mode->hdisplay, mode->vdisplay);
}
if (ipu_crtc->newfb) {
ipu_crtc->newfb = NULL;
- ipu_plane_set_base(ipu_crtc->plane[0], ipu_crtc->base.fb,
+ ipu_plane_set_base(ipu_crtc->plane[0], ipu_crtc->base.primary->fb,
ipu_crtc->plane[0]->x, ipu_crtc->plane[0]->y);
ipu_crtc_handle_pageflip(ipu_crtc);
}
ipu_crtc->di_clkflags = IPU_DI_CLKMODE_SYNC |
IPU_DI_CLKMODE_EXT;
break;
+ case DRM_MODE_ENCODER_TMDS:
case DRM_MODE_ENCODER_NONE:
ipu_crtc->di_clkflags = 0;
break;
}
static int ipu_crtc_init(struct ipu_crtc *ipu_crtc,
- struct ipu_client_platformdata *pdata)
+ struct ipu_client_platformdata *pdata, struct drm_device *drm)
{
struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent);
int dp = -EINVAL;
return ret;
}
- ret = imx_drm_add_crtc(&ipu_crtc->base,
- &ipu_crtc->imx_crtc,
- &ipu_crtc_helper_funcs, THIS_MODULE,
- ipu_crtc->dev->parent->of_node, pdata->di);
+ ret = imx_drm_add_crtc(drm, &ipu_crtc->base, &ipu_crtc->imx_crtc,
+ &ipu_crtc_helper_funcs, ipu_crtc->dev->of_node);
if (ret) {
dev_err(ipu_crtc->dev, "adding crtc failed with %d.\n", ret);
goto err_put_resources;
return ret;
}
-static int ipu_drm_probe(struct platform_device *pdev)
+static struct device_node *ipu_drm_get_port_by_id(struct device_node *parent,
+ int port_id)
{
- struct ipu_client_platformdata *pdata = pdev->dev.platform_data;
- struct ipu_crtc *ipu_crtc;
- int ret;
+ struct device_node *port;
+ int id, ret;
+
+ port = of_get_child_by_name(parent, "port");
+ while (port) {
+ ret = of_property_read_u32(port, "reg", &id);
+ if (!ret && id == port_id)
+ return port;
+
+ do {
+ port = of_get_next_child(parent, port);
+ if (!port)
+ return NULL;
+ } while (of_node_cmp(port->name, "port"));
+ }
- if (!pdata)
- return -EINVAL;
+ return NULL;
+}
- ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
- if (ret)
- return ret;
+static int ipu_drm_bind(struct device *dev, struct device *master, void *data)
+{
+ struct ipu_client_platformdata *pdata = dev->platform_data;
+ struct drm_device *drm = data;
+ struct ipu_crtc *ipu_crtc;
+ int ret;
- ipu_crtc = devm_kzalloc(&pdev->dev, sizeof(*ipu_crtc), GFP_KERNEL);
+ ipu_crtc = devm_kzalloc(dev, sizeof(*ipu_crtc), GFP_KERNEL);
if (!ipu_crtc)
return -ENOMEM;
- ipu_crtc->dev = &pdev->dev;
+ ipu_crtc->dev = dev;
- ret = ipu_crtc_init(ipu_crtc, pdata);
+ ret = ipu_crtc_init(ipu_crtc, pdata, drm);
if (ret)
return ret;
- platform_set_drvdata(pdev, ipu_crtc);
+ dev_set_drvdata(dev, ipu_crtc);
return 0;
}
-static int ipu_drm_remove(struct platform_device *pdev)
+static void ipu_drm_unbind(struct device *dev, struct device *master,
+ void *data)
{
- struct ipu_crtc *ipu_crtc = platform_get_drvdata(pdev);
+ struct ipu_crtc *ipu_crtc = dev_get_drvdata(dev);
imx_drm_remove_crtc(ipu_crtc->imx_crtc);
ipu_plane_put_resources(ipu_crtc->plane[0]);
ipu_put_resources(ipu_crtc);
+}
+
+static const struct component_ops ipu_crtc_ops = {
+ .bind = ipu_drm_bind,
+ .unbind = ipu_drm_unbind,
+};
+static int ipu_drm_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct ipu_client_platformdata *pdata = dev->platform_data;
+ int ret;
+
+ if (!dev->platform_data)
+ return -EINVAL;
+
+ if (!dev->of_node) {
+ /* Associate crtc device with the corresponding DI port node */
+ dev->of_node = ipu_drm_get_port_by_id(dev->parent->of_node,
+ pdata->di + 2);
+ if (!dev->of_node) {
+ dev_err(dev, "missing port@%d node in %s\n",
+ pdata->di + 2, dev->parent->of_node->full_name);
+ return -ENODEV;
+ }
+ }
+
+ ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
+
+ return component_add(dev, &ipu_crtc_ops);
+}
+
+static int ipu_drm_remove(struct platform_device *pdev)
+{
+ component_del(&pdev->dev, &ipu_crtc_ops);
return 0;
}
cma_obj = drm_fb_cma_get_gem_obj(fb, 0);
if (!cma_obj) {
- DRM_LOG_KMS("entry is null.\n");
+ DRM_DEBUG_KMS("entry is null.\n");
return -EFAULT;
}
- dev_dbg(ipu_plane->base.dev->dev, "phys = 0x%x, x = %d, y = %d",
- cma_obj->paddr, x, y);
+ dev_dbg(ipu_plane->base.dev->dev, "phys = %pad, x = %d, y = %d",
+ &cma_obj->paddr, x, y);
cpmem = ipu_get_cpmem(ipu_plane->ipu_ch);
ipu_cpmem_set_stride(cpmem, fb->pitches[0]);
dentry->d_name.name = dentry->d_iname;
} else {
/*
- * Both are internal. Just copy target to dentry
+ * Both are internal.
*/
- memcpy(dentry->d_iname, target->d_name.name,
- target->d_name.len + 1);
- dentry->d_name.len = target->d_name.len;
- return;
+ unsigned int i;
+ BUILD_BUG_ON(!IS_ALIGNED(DNAME_INLINE_LEN, sizeof(long)));
+ for (i = 0; i < DNAME_INLINE_LEN / sizeof(long); i++) {
+ swap(((long *) &dentry->d_iname)[i],
+ ((long *) &target->d_iname)[i]);
+ }
}
}
swap(dentry->d_name.len, target->d_name.len);
* __d_move - move a dentry
* @dentry: entry to move
* @target: new dentry
+ * @exchange: exchange the two dentries
*
* Update the dcache to reflect the move of a file name. Negative
* dcache entries should not be moved in this way. Caller must hold
* rename_lock, the i_mutex of the source and target directories,
* and the sb->s_vfs_rename_mutex if they differ. See lock_rename().
*/
-static void __d_move(struct dentry * dentry, struct dentry * target)
+static void __d_move(struct dentry *dentry, struct dentry *target,
+ bool exchange)
{
if (!dentry->d_inode)
printk(KERN_WARNING "VFS: moving negative dcache entry\n");
__d_drop(dentry);
__d_rehash(dentry, d_hash(target->d_parent, target->d_name.hash));
- /* Unhash the target: dput() will then get rid of it */
+ /*
+ * Unhash the target (d_delete() is not usable here). If exchanging
+ * the two dentries, then rehash onto the other's hash queue.
+ */
__d_drop(target);
+ if (exchange) {
+ __d_rehash(target,
+ d_hash(dentry->d_parent, dentry->d_name.hash));
+ }
list_del(&dentry->d_u.d_child);
list_del(&target->d_u.d_child);
write_seqcount_end(&dentry->d_seq);
dentry_unlock_parents_for_move(dentry, target);
+ if (exchange)
+ fsnotify_d_move(target);
spin_unlock(&target->d_lock);
fsnotify_d_move(dentry);
spin_unlock(&dentry->d_lock);
void d_move(struct dentry *dentry, struct dentry *target)
{
write_seqlock(&rename_lock);
- __d_move(dentry, target);
+ __d_move(dentry, target, false);
write_sequnlock(&rename_lock);
}
EXPORT_SYMBOL(d_move);
+/*
+ * d_exchange - exchange two dentries
+ * @dentry1: first dentry
+ * @dentry2: second dentry
+ */
+void d_exchange(struct dentry *dentry1, struct dentry *dentry2)
+{
+ write_seqlock(&rename_lock);
+
+ WARN_ON(!dentry1->d_inode);
+ WARN_ON(!dentry2->d_inode);
+ WARN_ON(IS_ROOT(dentry1));
+ WARN_ON(IS_ROOT(dentry2));
+
+ __d_move(dentry1, dentry2, true);
+
+ write_sequnlock(&rename_lock);
+}
+
/**
* d_ancestor - search for an ancestor
* @p1: ancestor dentry
m2 = &alias->d_parent->d_inode->i_mutex;
out_unalias:
if (likely(!d_mountpoint(alias))) {
- __d_move(alias, dentry);
+ __d_move(alias, dentry, false);
ret = alias;
}
out_err:
end = ERR_PTR(-ENAMETOOLONG);
return end;
}
+ EXPORT_SYMBOL(simple_dname);
/*
* Write full pathname from the root of the filesystem into the buffer.
* save the current lut when force-restoring the fbdev for e.g.
* kdbg.
* @fb_probe: Driver callback to allocate and initialize the fbdev info
- * structure. Futhermore it also needs to allocate the drm
+ * structure. Furthermore it also needs to allocate the drm
* framebuffer used to back the fbdev.
* @initial_config: Setup an initial fbdev display configuration
*
int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
int drm_fb_helper_debug_enter(struct fb_info *info);
int drm_fb_helper_debug_leave(struct fb_info *info);
+ struct drm_display_mode *
+ drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector,
+ int width, int height);
+ struct drm_display_mode *
+ drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
+ int width, int height);
#endif
projects / karo-tx-linux.git / commitdiff