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staging: sm750fb: change definition of HWC_LOCATION fields

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Use BIT() macro for single-bit fields of HWC_LOCATION register and
define HWC_LOCATION_{X,Y}_MASK for masking the address bits.

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport 2016-02-15 19:53:55 +02:00 committed by Greg Kroah-Hartman
parent 672f75b0b3
commit fe3bd267a4
1 changed files with 7 additions and 10 deletions
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17
drivers/staging/sm750fb/sm750_cursor.c
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@ -34,14 +34,11 @@ writel((data), cursor->mmio + (addr))
#define HWC_ADDRESS_ADDRESS_MASK 0x3ffffff
#define HWC_LOCATION 0x4
#define HWC_LOCATION_TOP 27:27
#define HWC_LOCATION_TOP_INSIDE 0
#define HWC_LOCATION_TOP_OUTSIDE 1
#define HWC_LOCATION_Y 26:16
#define HWC_LOCATION_LEFT 11:11
#define HWC_LOCATION_LEFT_INSIDE 0
#define HWC_LOCATION_LEFT_OUTSIDE 1
#define HWC_LOCATION_X 10:0
#define HWC_LOCATION_TOP BIT(27)
#define HWC_LOCATION_Y_SHIFT 16
#define HWC_LOCATION_Y_MASK (0x7ff << 16)
#define HWC_LOCATION_LEFT BIT(11)
#define HWC_LOCATION_X_MASK 0x7ff
#define HWC_COLOR_12 0x8
#define HWC_COLOR_12_2_RGB565 31:16
@ -75,8 +72,8 @@ void hw_cursor_setPos(struct lynx_cursor *cursor,
{
u32 reg;
reg = FIELD_VALUE(0, HWC_LOCATION, Y, y)|
FIELD_VALUE(0, HWC_LOCATION, X, x);
reg = (((y << HWC_LOCATION_Y_SHIFT) & HWC_LOCATION_Y_MASK) |
(x & HWC_LOCATION_X_MASK));
POKE32(HWC_LOCATION, reg);
}
void hw_cursor_setColor(struct lynx_cursor *cursor,