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gxfb: move MSR bit fields into gxfb.h 

This continues the gxfb header cleanups.  MSRs are defined in geode.h; the
specific bits we care about are defined in gxfb.h.

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 02:15:00 -07:00 committed by Linus Torvalds
parent d255114f22
commit 9f1277bd14
5 changed files with 19 additions and 20 deletions
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3
drivers/video/geode/display_gx.h
View File

@ -16,7 +16,4 @@ int gx_line_delta(int xres, int bpp);
extern struct geode_dc_ops gx_dc_ops;
/* MSR that tells us if a TFT or CRT is attached */
#define GLD_MSR_CONFIG_DM_FP 0x40
#endif /* !__DISPLAY_GX1_H__ */

16
drivers/video/geode/gxfb.h
View File

@ -252,4 +252,20 @@ static inline void write_fp(struct geodefb_par *par, int reg, uint32_t val)
writel(val, par->vid_regs + 8*reg + VP_FP_START);
}
/* MSRs are defined in asm/geode.h; their bitfields are here */
#define MSR_GLCP_SYS_RSTPLL_DOTPOSTDIV3 (1 << 3)
#define MSR_GLCP_SYS_RSTPLL_DOTPREMULT2 (1 << 2)
#define MSR_GLCP_SYS_RSTPLL_DOTPREDIV2 (1 << 1)
#define MSR_GLCP_DOTPLL_LOCK (1 << 25) /* r/o */
#define MSR_GLCP_DOTPLL_BYPASS (1 << 15)
#define MSR_GLCP_DOTPLL_DOTRESET (1 << 0)
#define MSR_GX_MSR_PADSEL_MASK 0x3FFFFFFF /* undocumented? */
#define MSR_GX_MSR_PADSEL_TFT 0x1FFFFFFF /* undocumented? */
#define MSR_GX_GLD_MSR_CONFIG_FP (1 << 3)
#endif

2
drivers/video/geode/gxfb_core.c
View File

@ -328,7 +328,7 @@ static int __init gxfb_probe(struct pci_dev *pdev, const struct pci_device_id *i
rdmsrl(MSR_GX_GLD_MSR_CONFIG, val);
if ((val & GLD_MSR_CONFIG_DM_FP) == GLD_MSR_CONFIG_DM_FP)
if ((val & MSR_GX_GLD_MSR_CONFIG_FP) == MSR_GX_GLD_MSR_CONFIG_FP)
par->enable_crt = 0;
else
par->enable_crt = 1;

4
drivers/video/geode/video_gx.c
View File

@ -187,8 +187,8 @@ gx_configure_tft(struct fb_info *info)
/* Set up the DF pad select MSR */
rdmsrl(MSR_GX_MSR_PADSEL, val);
val &= ~GX_VP_PAD_SELECT_MASK;
val |= GX_VP_PAD_SELECT_TFT;
val &= ~MSR_GX_MSR_PADSEL_MASK;
val |= MSR_GX_MSR_PADSEL_TFT;
wrmsrl(MSR_GX_MSR_PADSEL, val);
/* Turn off the panel */

14
drivers/video/geode/video_gx.h
View File

@ -13,18 +13,4 @@
extern struct geode_vid_ops gx_vid_ops;
/* GX Flatpanel control MSR */
#define GX_VP_PAD_SELECT_MASK 0x3FFFFFFF
#define GX_VP_PAD_SELECT_TFT 0x1FFFFFFF
/* Geode GX clock control MSRs */
# define MSR_GLCP_SYS_RSTPLL_DOTPREDIV2 (0x0000000000000002ull)
# define MSR_GLCP_SYS_RSTPLL_DOTPREMULT2 (0x0000000000000004ull)
# define MSR_GLCP_SYS_RSTPLL_DOTPOSTDIV3 (0x0000000000000008ull)
# define MSR_GLCP_DOTPLL_DOTRESET (0x0000000000000001ull)
# define MSR_GLCP_DOTPLL_BYPASS (0x0000000000008000ull)
# define MSR_GLCP_DOTPLL_LOCK (0x0000000002000000ull)
#endif /* !__VIDEO_GX_H__ */