diff options
Diffstat (limited to 'drivers/staging/sm750fb/sm750_accel.c')
| -rw-r--r-- | drivers/staging/sm750fb/sm750_accel.c | 100 |
1 files changed, 57 insertions, 43 deletions
diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c index 9aa4066ac86d..38adae6b5d83 100644 --- a/drivers/staging/sm750fb/sm750_accel.c +++ b/drivers/staging/sm750fb/sm750_accel.c @@ -67,7 +67,8 @@ void hw_de_init(struct lynx_accel *accel) /* set2dformat only be called from setmode functions * but if you need dual framebuffer driver,need call set2dformat - * every time you use 2d function */ + * every time you use 2d function + */ void hw_set2dformat(struct lynx_accel *accel, int fmt) { @@ -90,7 +91,8 @@ int hw_fillrect(struct lynx_accel *accel, if (accel->de_wait() != 0) { /* int time wait and always busy,seems hardware - * got something error */ + * got something error + */ pr_debug("De engine always busy\n"); return -1; } @@ -152,24 +154,26 @@ unsigned int rop2) /* ROP value */ /* Determine direction of operation */ if (sy < dy) { /* +----------+ - |S | - | +----------+ - | | | | - | | | | - +---|------+ | - | D| - +----------+ */ + * |S | + * | +----------+ + * | | | | + * | | | | + * +---|------+ | + * | D| + * +----------+ + */ nDirection = BOTTOM_TO_TOP; } else if (sy > dy) { /* +----------+ - |D | - | +----------+ - | | | | - | | | | - +---|------+ | - | S| - +----------+ */ + * |D | + * | +----------+ + * | | | | + * | | | | + * +---|------+ | + * | S| + * +----------+ + */ nDirection = TOP_TO_BOTTOM; } else { @@ -177,22 +181,24 @@ unsigned int rop2) /* ROP value */ if (sx <= dx) { /* +------+---+------+ - |S | | D| - | | | | - | | | | - | | | | - +------+---+------+ */ + * |S | | D| + * | | | | + * | | | | + * | | | | + * +------+---+------+ + */ nDirection = RIGHT_TO_LEFT; } else { /* sx > dx */ /* +------+---+------+ - |D | | S| - | | | | - | | | | - | | | | - +------+---+------+ */ + * |D | | S| + * | | | | + * | | | | + * | | | | + * +------+---+------+ + */ nDirection = LEFT_TO_RIGHT; } @@ -208,32 +214,36 @@ unsigned int rop2) /* ROP value */ } /* Note: - DE_FOREGROUND are DE_BACKGROUND are don't care. - DE_COLOR_COMPARE and DE_COLOR_COMPARE_MAKS are set by set deSetTransparency(). + * DE_FOREGROUND are DE_BACKGROUND are don't care. + * DE_COLOR_COMPARE and DE_COLOR_COMPARE_MAKS + * are set by set deSetTransparency(). */ /* 2D Source Base. - It is an address offset (128 bit aligned) from the beginning of frame buffer. + * It is an address offset (128 bit aligned) + * from the beginning of frame buffer. */ write_dpr(accel, DE_WINDOW_SOURCE_BASE, sBase); /* dpr40 */ /* 2D Destination Base. - It is an address offset (128 bit aligned) from the beginning of frame buffer. + * It is an address offset (128 bit aligned) + * from the beginning of frame buffer. */ write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase); /* dpr44 */ /* Program pitch (distance between the 1st points of two adjacent lines). - Note that input pitch is BYTE value, but the 2D Pitch register uses - pixel values. Need Byte to pixel conversion. - */ + * Note that input pitch is BYTE value, but the 2D Pitch register uses + * pixel values. Need Byte to pixel conversion. + */ write_dpr(accel, DE_PITCH, ((dPitch / Bpp << DE_PITCH_DESTINATION_SHIFT) & DE_PITCH_DESTINATION_MASK) | (sPitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */ /* Screen Window width in Pixels. - 2D engine uses this value to calculate the linear address in frame buffer for a given point. - */ + * 2D engine uses this value to calculate the linear address in frame buffer + * for a given point. + */ write_dpr(accel, DE_WINDOW_WIDTH, ((dPitch / Bpp << DE_WINDOW_WIDTH_DST_SHIFT) & DE_WINDOW_WIDTH_DST_MASK) | @@ -307,33 +317,37 @@ int hw_imageblit(struct lynx_accel *accel, return -1; /* 2D Source Base. - Use 0 for HOST Blt. + * Use 0 for HOST Blt. */ write_dpr(accel, DE_WINDOW_SOURCE_BASE, 0); /* 2D Destination Base. - It is an address offset (128 bit aligned) from the beginning of frame buffer. + * It is an address offset (128 bit aligned) + * from the beginning of frame buffer. */ write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase); /* Program pitch (distance between the 1st points of two adjacent lines). - Note that input pitch is BYTE value, but the 2D Pitch register uses - pixel values. Need Byte to pixel conversion. - */ + * Note that input pitch is BYTE value, but the 2D Pitch register uses + * pixel values. Need Byte to pixel conversion. + */ write_dpr(accel, DE_PITCH, ((dPitch / bytePerPixel << DE_PITCH_DESTINATION_SHIFT) & DE_PITCH_DESTINATION_MASK) | (dPitch / bytePerPixel & DE_PITCH_SOURCE_MASK)); /* dpr10 */ /* Screen Window width in Pixels. - 2D engine uses this value to calculate the linear address in frame buffer for a given point. + * 2D engine uses this value to calculate the linear address + * in frame buffer for a given point. */ write_dpr(accel, DE_WINDOW_WIDTH, ((dPitch / bytePerPixel << DE_WINDOW_WIDTH_DST_SHIFT) & DE_WINDOW_WIDTH_DST_MASK) | (dPitch / bytePerPixel & DE_WINDOW_WIDTH_SRC_MASK)); - /* Note: For 2D Source in Host Write, only X_K1_MONO field is needed, and Y_K2 field is not used. - For mono bitmap, use startBit for X_K1. */ + /* Note: For 2D Source in Host Write, only X_K1_MONO field is needed, + * and Y_K2 field is not used. + * For mono bitmap, use startBit for X_K1. + */ write_dpr(accel, DE_SOURCE, (startBit << DE_SOURCE_X_K1_SHIFT) & DE_SOURCE_X_K1_MONO_MASK); /* dpr00 */ |