lkml.org 
[lkml]   [2008]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 3/6] gxfb: move MSR bit fields into gxfb.h
From bee7242cf04c4a060b311b11985efb495f308355 Mon Sep 17 00:00:00 2001
From: Andres Salomon <dilinger@debian.org>
Date: Mon, 25 Feb 2008 15:29:36 -0500
Subject: [PATCH] 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>
---
drivers/video/geode/display_gx.h | 3 ---
drivers/video/geode/gxfb.h | 16 ++++++++++++++++
drivers/video/geode/gxfb_core.c | 2 +-
drivers/video/geode/video_gx.c | 4 ++--
drivers/video/geode/video_gx.h | 14 --------------
5 files changed, 19 insertions(+), 20 deletions(-)
diff --git a/drivers/video/geode/display_gx.h b/drivers/video/geode/display_gx.h
index 56e9d2e..ad556d3 100644
--- a/drivers/video/geode/display_gx.h
+++ b/drivers/video/geode/display_gx.h
@@ -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__ */
diff --git a/drivers/video/geode/gxfb.h b/drivers/video/geode/gxfb.h
index 3367fdc..19cf8ca 100644
--- a/drivers/video/geode/gxfb.h
+++ b/drivers/video/geode/gxfb.h
@@ -231,4 +231,20 @@ enum fp_registers {
#define write_fp(reg, val) writel((uint32_t) (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
diff --git a/drivers/video/geode/gxfb_core.c b/drivers/video/geode/gxfb_core.c
index 2e49a5e..ee25774 100644
--- a/drivers/video/geode/gxfb_core.c
+++ b/drivers/video/geode/gxfb_core.c
@@ -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;
diff --git a/drivers/video/geode/video_gx.c b/drivers/video/geode/video_gx.c
index 51b03b7..bb77ccc 100644
--- a/drivers/video/geode/video_gx.c
+++ b/drivers/video/geode/video_gx.c
@@ -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 */
diff --git a/drivers/video/geode/video_gx.h b/drivers/video/geode/video_gx.h
index 5457bd0..79f6e81 100644
--- a/drivers/video/geode/video_gx.h
+++ b/drivers/video/geode/video_gx.h
@@ -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__ */
--
1.5.3.7


\
 
 \ /
  Last update: 2008-03-09 02:49    [from the cache]
©2003-2011 Jasper Spaans