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authorSudip Mukherjee <sudipm.mukherjee@gmail.com>2015-03-03 16:21:06 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-03-06 16:37:31 -0800
commit81dee67e215b23f0c98182eece122b906d35765a (patch)
tree05fef8acfc0e851abc77dc31de0f3cded599347e /drivers/staging/sm750fb/ddk750_help.c
parentc3d6047d95fad6d70894d7ff79d49e47deae41e5 (diff)
downloadop-kernel-dev-81dee67e215b23f0c98182eece122b906d35765a.zip
op-kernel-dev-81dee67e215b23f0c98182eece122b906d35765a.tar.gz
staging: sm750fb: add sm750 to staging
sm750 of Silicon Motion is pci-e display controller device and has features like dual display and 2D acceleration. This patch adds the driver to staging. Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/sm750fb/ddk750_help.c')
-rw-r--r--drivers/staging/sm750fb/ddk750_help.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/staging/sm750fb/ddk750_help.c b/drivers/staging/sm750fb/ddk750_help.c
new file mode 100644
index 0000000..cc00d2b
--- /dev/null
+++ b/drivers/staging/sm750fb/ddk750_help.c
@@ -0,0 +1,19 @@
+//#include "ddk750_reg.h"
+//#include "ddk750_chip.h"
+#include "ddk750_help.h"
+
+volatile unsigned char __iomem * mmio750 = NULL;
+char revId750 = 0;
+unsigned short devId750 = 0;
+
+/* after driver mapped io registers, use this function first */
+void ddk750_set_mmio(volatile unsigned char * addr,unsigned short devId,char revId)
+{
+ mmio750 = addr;
+ devId750 = devId;
+ revId750 = revId;
+ if(revId == 0xfe)
+ printk("found sm750le\n");
+}
+
+
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