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path: root/drivers/staging/sm750fb/sm750_cursor.c
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Diffstat (limited to 'drivers/staging/sm750fb/sm750_cursor.c')
-rw-r--r--drivers/staging/sm750fb/sm750_cursor.c55
1 files changed, 26 insertions, 29 deletions
diff --git a/drivers/staging/sm750fb/sm750_cursor.c b/drivers/staging/sm750fb/sm750_cursor.c
index 405e24b6768f..a94a4bbff450 100644
--- a/drivers/staging/sm750fb/sm750_cursor.c
+++ b/drivers/staging/sm750fb/sm750_cursor.c
@@ -61,6 +61,7 @@ writel((data), cursor->mmio + (addr))
void hw_cursor_enable(struct lynx_cursor *cursor)
{
u32 reg;
+
reg = FIELD_VALUE(0, HWC_ADDRESS, ADDRESS, cursor->offset)|
FIELD_SET(0, HWC_ADDRESS, EXT, LOCAL)|
FIELD_SET(0, HWC_ADDRESS, ENABLE, ENABLE);
@@ -81,6 +82,7 @@ void hw_cursor_setPos(struct lynx_cursor *cursor,
int x, int y)
{
u32 reg;
+
reg = FIELD_VALUE(0, HWC_LOCATION, Y, y)|
FIELD_VALUE(0, HWC_LOCATION, X, x);
POKE32(HWC_LOCATION, reg);
@@ -93,7 +95,7 @@ void hw_cursor_setColor(struct lynx_cursor *cursor,
}
void hw_cursor_setData(struct lynx_cursor *cursor,
- u16 rop, const u8* pcol, const u8* pmsk)
+ u16 rop, const u8 *pcol, const u8 *pmsk)
{
int i, j, count, pitch, offset;
u8 color, mask, opr;
@@ -122,8 +124,7 @@ void hw_cursor_setData(struct lynx_cursor *cursor,
odd=0;
*/
- for(i=0;i<count;i++)
- {
+ for (i = 0; i < count; i++) {
color = *pcol++;
mask = *pmsk++;
data = 0;
@@ -132,26 +133,25 @@ void hw_cursor_setData(struct lynx_cursor *cursor,
* but method 2 shows no lag
* and method 1 seems a bit wrong*/
#if 0
- if(rop == ROP_XOR)
+ if (rop == ROP_XOR)
opr = mask ^ color;
else
opr = mask & color;
- for(j=0;j<8;j++)
- {
+ for (j = 0; j < 8; j++) {
- if(opr & (0x80 >> j))
- { /* use fg color,id = 2 */
+ if (opr & (0x80 >> j)) {
+ /* use fg color,id = 2 */
data |= 2 << (j*2);
- }else{
+ } else {
/* use bg color,id = 1 */
data |= 1 << (j*2);
}
}
#else
- for(j=0;j<8;j++){
- if(mask & (0x80>>j)){
- if(rop == ROP_XOR)
+ for (j = 0; j < 8; j++) {
+ if (mask & (0x80>>j)) {
+ if (rop == ROP_XOR)
opr = mask ^ color;
else
opr = mask & color;
@@ -165,15 +165,15 @@ void hw_cursor_setData(struct lynx_cursor *cursor,
/* assume pitch is 1,2,4,8,...*/
#if 0
- if(!((i+1)&(pitch-1))) /* below line equal to is line */
+ if (!((i+1)&(pitch-1))) /* below line equal to is line */
#else
- if((i+1) % pitch == 0)
+ if ((i+1) % pitch == 0)
#endif
{
/* need a return */
pstart += offset;
pbuffer = pstart;
- }else{
+ } else {
pbuffer += sizeof(u16);
}
@@ -184,7 +184,7 @@ void hw_cursor_setData(struct lynx_cursor *cursor,
void hw_cursor_setData2(struct lynx_cursor *cursor,
- u16 rop, const u8* pcol, const u8* pmsk)
+ u16 rop, const u8 *pcol, const u8 *pmsk)
{
int i, j, count, pitch, offset;
u8 color, mask;
@@ -204,45 +204,42 @@ void hw_cursor_setData2(struct lynx_cursor *cursor,
pstart = cursor->vstart;
pbuffer = pstart;
- for(i=0;i<count;i++)
- {
+ for (i = 0; i < count; i++) {
color = *pcol++;
mask = *pmsk++;
data = 0;
/* either method below works well, but method 2 shows no lag */
#if 0
- if(rop == ROP_XOR)
+ if (rop == ROP_XOR)
opr = mask ^ color;
else
opr = mask & color;
- for(j=0;j<8;j++)
- {
+ for (j = 0; j < 8; j++) {
- if(opr & (0x80 >> j))
- { /* use fg color,id = 2 */
+ if (opr & (0x80 >> j)) {
+ /* use fg color,id = 2 */
data |= 2 << (j*2);
- }else{
+ } else {
/* use bg color,id = 1 */
data |= 1 << (j*2);
}
}
#else
- for(j=0;j<8;j++){
- if(mask & (1<<j))
+ for (j = 0; j < 8; j++) {
+ if (mask & (1<<j))
data |= ((color & (1<<j))?1:2)<<(j*2);
}
#endif
iowrite16(data, pbuffer);
/* assume pitch is 1,2,4,8,...*/
- if(!(i&(pitch-1)))
- {
+ if (!(i&(pitch-1))) {
/* need a return */
pstart += offset;
pbuffer = pstart;
- }else{
+ } else {
pbuffer += sizeof(u16);
}