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gma ACPI: Consolidate non-PCH and PCH brightness levels 

The two cases only differ in the register locations.

As the values in BRIG were all the same, consolidate them. They also
got normalized to percentages as the ACPI spec wants that (0x61 was 100%
before).

Change-Id: I9216a953bb89458ed102c39194ea370cbf463d5e
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/11703
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Nico Huber 2015-09-24 17:45:45 +02:00 committed by Nico Huber
parent 62047d1e4a
commit d5842f5b5f
3 changed files with 47 additions and 78 deletions
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35
src/drivers/intel/gma/acpi/brightness_levels.asl Normal file
View File

@ -0,0 +1,35 @@
Name (BRIG, Package (0x12)
{
100, /* default AC */
100, /* default Battery */
2,
4,
5,
7,
9,
11,
13,
18,
20,
24,
29,
33,
40,
50,
67,
100,
})
Method (XBCM, 1, NotSerialized)
{
Store (ShiftLeft (Arg0, 4), BCLV)
Store (0x80000000, CR1)
Store (0x0610, BCLM)
}
Method (XBQC, 0, NotSerialized)
{
Store (BCLV, Local0)
ShiftRight (Local0, 4, Local0)
Return (Local0)
}

39
src/drivers/intel/gma/acpi/non-pch.asl
View File

@ -29,49 +29,16 @@ Device (GFX0)
BAR0, 64
}
OperationRegion (GFRG, SystemMemory, And(BAR0, 0xfffffffffffffff0), 0x400000)
OperationRegion (GFRG, SystemMemory, And (BAR0, 0xfffffffffffffff0), 0x400000)
Field (GFRG, DWordAcc, NoLock, Preserve)
{
Offset (0x61250),
CR1, 32,
Offset (0x61254),
BCLV, 16,
BCLM, 16,
}
Name (BRIG, Package (0x12)
{
0x61,
0x61,
0x2,
0x4,
0x5,
0x7,
0x9,
0xb,
0xd,
0x11,
0x14,
0x17,
0x1c,
0x20,
0x27,
0x31,
0x41,
0x61,
})
Method (XBCM, 1, NotSerialized)
{
Store (ShiftLeft (Arg0, 4), BCLV)
Store (0x80000000, CR1)
Store (0x0610, BCLM)
}
Method (XBQC, 0, NotSerialized)
{
Store (BCLV, Local0)
ShiftRight (Local0, 4, Local0)
Return (Local0)
}
#include "brightness_levels.asl"
#include "common.asl"
}

39
src/drivers/intel/gma/acpi/pch.asl
View File

@ -36,43 +36,10 @@ Device (GFX0)
BCLV, 16,
Offset (0xc8250),
CR1, 32,
CR2, 32
Offset (0xc8256),
BCLM, 16
}
Name (BRIG, Package (0x12)
{
0x61,
0x61,
0x2,
0x4,
0x5,
0x7,
0x9,
0xb,
0xd,
0x11,
0x14,
0x17,
0x1c,
0x20,
0x27,
0x31,
0x41,
0x61,
})
Method (XBCM, 1, NotSerialized)
{
Store (ShiftLeft (Arg0, 4), BCLV)
Store (0x80000000, CR1)
Store (0x061a061a, CR2)
}
Method (XBQC, 0, NotSerialized)
{
Store (BCLV, Local0)
ShiftRight (Local0, 4, Local0)
Return (Local0)
}
#include "brightness_levels.asl"
#include "common.asl"
}