- 16 Oct, 2008 40 commits
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Joseph Chan authored
via_utility.c, via_utility.h: support user mode application with additional information vt1636.c, vt1636.h: setting for chip vt1636 Signed-off-by:
Joseph Chan <josephchan@via.com.tw> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Joseph Chan authored
via_i2c.c, via_i2c.h: Implement i2c specification. viamode.c, viamode.c: all support modes information. Signed-off-by:
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Joseph Chan authored
Remove the macro MMIO_OUT32, and replace it with writel() function. And replace "u32" with "unsigned long" in writel() function (original MMIO_OUT32 marco) for avoiding warning message in 64bit OS. Signed-off-by:
Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by:
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Joseph Chan authored
Correct by following Jiri Slaby's suggestions. Initialization, remove and some other important functions of viafb. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Joseph Chan authored
tbl1636.c, tbl1636.h: patch setting for VT1636. tblDPASetting.c, tblDPASetting.h: patch for graphic clock skew. Signed-off-by:
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Joseph Chan authored
Makefile for drivers/video/via/ share.h: shared macro for viafb Signed-off-by:
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Joseph Chan authored
lcd.c, lcd.h: LVDS generic process. lcdtbl.h: patch register for simultaneous case. Signed-off-by:
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Joseph Chan authored
iface.c, iface.h: support getting video memory from backdoor. ioctl.c, ioctl.h: support user mode application with additional information Signed-off-by:
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Joseph Chan authored
Display HW setting and other chips initialization. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Joseph Chan authored
dvi.c, dvi.h: TMDS generic process and setting. global.c, global.h: define global variabls. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Joseph Chan authored
Header file of information about via chipsets and debug function. Signed-off-by:
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Joseph Chan authored
2D and HW cursor stuff of viafb driver. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Joseph Chan authored
Modified drivers/video/Makefile and drivers/video/Kconfig. Signed-off-by:
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Joseph Chan authored
Correct via_fb_ to viafb_ and remove the Kconfig part in viafb.txt. viafb.modes: supported mode table viafb.txt: documentation of viafb driver Signed-off-by:
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Krzysztof Helt authored
Reduce panning function by deleting checks done by higher layer and folding remaining function into the called one. Signed-off-by:
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Jean Delvare authored
The bug was in fb_ddc and was fixed by commit b64d7082 (fb_ddc: fix DDC lines quirk) so the workaround in radeonfb can be removed now. Signed-off-by:
Jean Delvare <khali@linux-fr.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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David Brownell authored
Add a new internal mechanism to gpiolib to support low power operations by letting gpio_chip instances see when their GPIOs are in use. When no GPIOs are active, chips may be able to enter lower powered runtime states by disabling clocks and/or power domains. Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: "Magnus Damm" <magnus.damm@gmail.com> Signed-off-by:
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David Brownell authored
This updates most of the OMAP drivers which are in mainline to switch to using the cross-platform GPIO calls instead of the older OMAP-specific ones. This is all fairly brainless/obvious stuff. Probably the most interesting bit is to observe that the omap-keypad code seems to now have a portable core that could work with non-OMAP matrix keypads. (That would improve with hardware IRQ debouncing enabled, of course...) Signed-off-by:
Tony Lindgren <tony@atomide.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Antonino Daplas <adaplas@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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David Brownell authored
Add a new gpiolib mechanism: gpio_chip instances can provide mappings between their (input) GPIOs and any associated IRQs. This makes it easier for platforms to support IRQs that are provided by board-specific external chips instead of as part of their core (such as SOC-integrated GPIOs). Also update the irq_to_gpio() description, saying to avoid it because it's not always supported. Signed-off-by:
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David Brownell authored
Make the I2C external GPIO expander drivers register themselves at subsys_initcall() time when they're statically linked. SOC-integrated GPIOs are available starting very early -- early in arch_initcall() at latest, but often even before initcalls start to run -- so this improves consistency, so more subsystems can rely on GPIOs in their own subsys_initcall() code. (This isn't a theoretical problem. This is one of several patches needed to resolve oopsing observed when statically linking kernels on a DaVinci EVM. Its pcf857x GPIOs needed to be available well before some other drivers initialized.) Signed-off-by:
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Uwe Kleine-König authored
According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This is the generic part which changes gpiolib and the fallback implementation only. Signed-off-by:
Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Dmitry Baryshkov authored
There is a small race and code ugliness in max7301: pins are reconfigured after the chip is registered. Swap these calls so that the device is registered in correct state. Also this fixes the comile-time warning about unchecked gpiochip_remove. Signed-off-by:
Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Juergen Beisert <j.beisert@pengutronix.de> Cc: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Dmitry Baryshkov authored
Mark gpiochip label as a const char pointer. Fixes things like arch/arm/common/scoop.c: In function `scoop_probe': arch/arm/common/scoop.c:250: warning: assignment discards qualifiers from pointer target type Signed-off-by:
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Alessandro Zummo authored
New style conversion and reformatting as per indent --linux-style Signed-off-by:
Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Alessandro Zummo authored
New style conversion and reformatting as per indent --linux-style Signed-off-by:
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Andrew Victor authored
The non-functional periodic IRQ support was previously removed from the AT91RM9200 RTC driver. Remove the remaining AT91_RTC_FREQ definition. Signed-off-by:
Andrew Victor <linux@maxim.org.za> Cc: David Brownell: <david-b@pacbell.net> Cc: Alessandro Zummo: <a.zummo@towertech.it> Signed-off-by:
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Steven A. Falco authored
Add support for M41T65 Real Time Clock chip. The main differences I see between the M41T65 and M41T80 are that: 1) The M41T65 watchdog timer has three bits controlling resolution (versus two for the M41T80). 2) There is no register 0x13 for controlling square-wave output. Signed-off-by:
Steven A. Falco <sfalco@harris.com> Acked-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Kumar Gala authored
Now that arch/ppc is dead CONFIG_PPC_MERGE is always defined for all powerpc platforms and we want to get rid of it use CONFIG_PPC instead. Signed-off-by:
Kumar Gala <galak@kernel.crashing.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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David Brownell authored
Make the rtc framework consistent about disabling 1/second update IRQs that may have been activated through the /dev interface, when that /dev file is closed. (It may have closed because of coredump, etc.) This was previously done only for emulated update IRQs ... now, do it always. Also comment the current policy: repeating IRQs (periodic, update) that userspace enabled will be cleanly disabled, but alarms are left alone. Such repeating IRQs are a constant and pointless system load. Update some RTC drivers to remove now-needless release() methods. Most such methods just enforce that policy. The others all seem to be buggy, and mistreat in-kernel clients of periodic or alarm IRQs. Signed-off-by:
Andrew Sharp <andy.sharp@onstor.com> Cc: Angelo Castello <angelo.castello@st.com> Acked-by:
Paul Mundt <lethal@linux-sh.org> Cc: Thomas Hommel <thomas.hommel@gefanuc.com> Acked-by:
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Paul Mundt authored
This adds support for the Ricoh R2025S/D series of I2C RTCs, produced by Ricoh Japan and described at: http://www.ricoh.co.jp/LSI/product_rtc/2wire/r2025x/ This series has very minor deviations from the rest of the RS5C chips, most of which have to do with the oscillator, which was abstracted away in an earlier patch. Signed-off-by:
David Brownell <david-b@pacbell.net> Tested-by:
Riku Voipio <riku.voipio@movial.fi> Acked-by:
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Paul Mundt authored
rtc-rs5c372 presently depends on I2C master mode transfers, despite the fact that these RTCs frequently find themselves on SMBus-only adapters. Given that the only capabilities that were checked were for I2C_FUNC_I2C, it's assumed that most of the adapters that are currently using this driver are fairly sane, and are able to handle SMBus emulation (though we adjust the default capabilities to check for I2C_FUNC_SMBUS_EMUL anyways, which is the vast majority of them. The adapters that don't have their own ->smbus_xfer() fall back on the ->master_xfer() through the emulated transfer). The special case is iop3xx, which has more than its fair share of hacks within this driver, it remains untested -- though also claims to support emulated SMBus accesses. The corner case there is rs5c_get_regs() which uses access mode #3 for transferring the register state, while we use mode #1 for SMBus. Signed-off-by:
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David Brownell authored
HPET_RTC_IRQ is no longer needed; HPET_EMULATE_RTC suffices and is more correct. (http://bugzilla.kernel.org/show_bug.cgi?id=11111) Note that when using the legacy RTC driver, platforms don't really do a dynamic switch between HPET and non-HPET modes based on whether HPET hardware actually exists ... only rtc-cmos (using the new RTC framework) currently switches that way. So this reflects bitrot in that legacy code, for x86/ia64: kernels with HPET support configured (e.g. for a clocksource) can't get IRQs from the legacy RTC driver unless they really have HPET hardware. (The obvious workaround is to not use the legacy RTC driver on those platforms when you configure HPET ... unless you know the target really has a HPET.) Signed-off-by:
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David Brownell authored
Remove NOP methods from rtc-pl030 and rtc-pl031 drivers; this is pure wasted code. Signed-off-by:
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Rodolfo Giometti authored
Update the ds1307 driver with alarm support for ds1337/ds1339. This uses the first alarm (there are two), and matches on seconds, minutes, hours, and day-of-month. Tested on ds1339. [dbrownell@users.sourceforge.net: add comments; fixup style, valid irq checks, debug dumps; lock; more careful IRQ shutdown; switch BCD2BIN to bcd2bin (and vice versa); ENOTTY not EINVAL.] Signed-off-by:
Rodolfo Giometti <giometti@linux.it> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Dennis Aberilla authored
Add support for the Dallas DS3234 chip - extremely accurate SPI bus RTC with integrated crystal and SRAM. [akpm@linux-foundation.org: don't use BIN2BCD/BCD2BIN] Signed-off-by:
Dennis Aberilla <denzzzhome@yahoo.com> Signed-off-by:
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Marc Pignat authored
Wakeup support implementation. Signed-off-by:
Marc Pignat <marc.pignat@hevs.ch> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Laurent Pinchart authored
Validating clients with black magic register checks doesn't make much sense for new-style i2c driver and has been known to fail on valid NXP pcf8563 chips. This patch removes the client validation code. Signed-off-by:
Laurent Pinchart <laurentp@cse-semaphore.com> Signed-off-by:
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Ian Kent authored
Add a miscellaneous device to the autofs4 module for routing ioctls. This provides the ability to obtain an ioctl file handle for an autofs mount point that is possibly covered by another mount. The actual problem with autofs is that it can't reconnect to existing mounts. Immediately one things of just adding the ability to remount autofs file systems would solve it, but alas, that can't work. This is because autofs direct mounts and the implementation of "on demand mount and expire" of nested mount trees have the file system mounted on top of the mount trigger dentry. To resolve this a miscellaneous device node for routing ioctl commands to these mount points has been implemented in the autofs4 kernel module and a library added to autofs. This provides the ability to open a file descriptor for these over mounted autofs mount points. Please refer to Documentation/filesystems/autofs4-mount-control.txt for a discussion of the problem, implementation alternatives considered and a description of the interface. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: build fix] Signed-off-by:
Ian Kent <raven@themaw.net> Signed-off-by:
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Ian Kent authored
Add documentation for the miscellaneous device module of autofs4. Signed-off-by:
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Ian Kent authored
Track the uid and gid of the last process to request a mount for on an autofs dentry. [akpm@linux-foundation.org: fix tpyo in comment] Signed-off-by:
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