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[POWERPC] Xserve cpu-meter driver

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This is a small driver for the Xserve G5 CPU-meter blue LEDs on the
front-panel. It might work on the Xserve G4 as well though that was
not tested. It's pretty basic and could use some improvements if
somebody cares doing them. :)

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2006-11-16 14:03:33 +11:00
committed by Paul Mackerras
parent 088df4d256
commit 3e00a5aec3
4 changed files with 627 additions and 1 deletions
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7
drivers/macintosh/Kconfig
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@@ -228,4 +228,11 @@ config ANSLCD
tristate "Support for ANS LCD display"
depends on ADB_CUDA && PPC_PMAC
config PMAC_RACKMETER
tristate "Support for Apple XServe front panel LEDs"
depends on PPC_PMAC
help
This driver procides some support to control the front panel
blue LEDs "vu-meter" of the XServer macs.
endmenu

1
drivers/macintosh/Makefile
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@@ -42,3 +42,4 @@ obj-$(CONFIG_WINDFARM_PM112) += windfarm_pm112.o windfarm_smu_sat.o \
windfarm_smu_sensors.o \
windfarm_max6690_sensor.o \
windfarm_lm75_sensor.o windfarm_pid.o
obj-$(CONFIG_PMAC_RACKMETER) += rack-meter.o

612
drivers/macintosh/rack-meter.c Normal file
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File diff suppressed because it is too large Load Diff

8
include/asm-powerpc/dbdma.h
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@@ -95,7 +95,13 @@ struct dbdma_cmd {
#define DBDMA_DO_STOP(regs) do { \
out_le32(&((regs)->control), (RUN|FLUSH)<<16); \
while(in_le32(&((regs)->status)) & (ACTIVE|FLUSH)) \
; \
; \
} while(0)
#define DBDMA_DO_RESET(regs) do { \
out_le32(&((regs)->control), (ACTIVE|DEAD|WAKE|FLUSH|PAUSE|RUN)<<16);\
while(in_le32(&((regs)->status)) & (RUN)) \
; \
} while(0)
#endif /* _ASM_DBDMA_H_ */