linux-kernel - [PATCH 3/6] gxfb: move MSR bit fields into gxfb.h

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Date:	Sat, 8 Mar 2008 20:48:40 -0500
From:	Andres Salomon <dilinger@...ued.net>
To:	adaplas@...il.com
Cc:	linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net, info-linux@...de.amd.com,
	Jordan Crouse <jordan.crouse@....com>,
	Andrew Morton <akpm@...ux-foundation.org>
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@...ian.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@...ian.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

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