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gxfb/lxfb: use VSA definitions when fetching framebuffer size 

..Rather than using magic constants.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Jordan Crouse <jordan.crouse@amd.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andres Salomon 2008-04-28 02:15:30 -07:00 committed by Linus Torvalds
parent 4537f93ae8
commit 61a517a063
3 changed files with 8 additions and 6 deletions
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7
drivers/video/geode/display_gx.c
View File

@ -17,6 +17,7 @@
#include <asm/io.h>
#include <asm/div64.h>
#include <asm/delay.h>
#include <asm/geode.h>
#include "gxfb.h"
@ -28,10 +29,10 @@ unsigned int gx_frame_buffer_size(void)
/* Virtual register class = 0x02 */
/* VG_MEM_SIZE(512Kb units) = 0x00 */
outw(0xFC53, 0xAC1C);
outw(0x0200, 0xAC1C);
outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
outw(VSA_VR_MEM_SIZE, VSA_VRC_INDEX);
val = (unsigned int)(inw(0xAC1E)) & 0xFFl;
val = (unsigned int)(inw(VSA_VRC_DATA)) & 0xFFl;
return (val << 19);
}

6
drivers/video/geode/lxfb_ops.c
View File

@ -333,10 +333,10 @@ unsigned int lx_framebuffer_size(void)
/* Virtual Register Class = 0x02 */
/* VG_MEM_SIZE (1MB units) = 0x00 */
outw(0xFC53, 0xAC1C);
outw(0x0200, 0xAC1C);
outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
outw(VSA_VR_MEM_SIZE, VSA_VRC_INDEX);
val = (unsigned int)(inw(0xAC1E)) & 0xFE;
val = (unsigned int)(inw(VSA_VRC_DATA)) & 0xFE;
return (val << 20);
}

1
include/asm-x86/geode.h
View File

@ -109,6 +109,7 @@ extern int geode_get_dev_base(unsigned int dev);
#define VSA_VRC_DATA 0xAC1E
#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */
#define VSA_VR_SIGNATURE 0x0003
#define VSA_VR_MEM_SIZE 0x0200
#define VSA_SIG 0x4132 /* signature is ascii 'VSA2' */
/* GPIO */