diff options
Diffstat (limited to 'drivers/staging/sm750fb/sm750_accel.c')
| -rw-r--r-- | drivers/staging/sm750fb/sm750_accel.c | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c index 38adae6b5d83..af0db5789c53 100644 --- a/drivers/staging/sm750fb/sm750_accel.c +++ b/drivers/staging/sm750fb/sm750_accel.c @@ -32,7 +32,7 @@ static inline void write_dpPort(struct lynx_accel *accel, u32 data) writel(data, accel->dpPortBase); } -void hw_de_init(struct lynx_accel *accel) +void sm750_hw_de_init(struct lynx_accel *accel) { /* setup 2d engine registers */ u32 reg, clr; @@ -65,12 +65,13 @@ void hw_de_init(struct lynx_accel *accel) write_dpr(accel, DE_CONTROL, read_dpr(accel, DE_CONTROL) & ~clr); } -/* set2dformat only be called from setmode functions +/* + * set2dformat only be called from setmode functions * but if you need dual framebuffer driver,need call set2dformat * every time you use 2d function */ -void hw_set2dformat(struct lynx_accel *accel, int fmt) +void sm750_hw_set2dformat(struct lynx_accel *accel, int fmt) { u32 reg; @@ -82,7 +83,7 @@ void hw_set2dformat(struct lynx_accel *accel, int fmt) write_dpr(accel, DE_STRETCH_FORMAT, reg); } -int hw_fillrect(struct lynx_accel *accel, +int sm750_hw_fillrect(struct lynx_accel *accel, u32 base, u32 pitch, u32 Bpp, u32 x, u32 y, u32 width, u32 height, u32 color, u32 rop) @@ -90,7 +91,8 @@ int hw_fillrect(struct lynx_accel *accel, u32 deCtrl; if (accel->de_wait() != 0) { - /* int time wait and always busy,seems hardware + /* + * int time wait and always busy,seems hardware * got something error */ pr_debug("De engine always busy\n"); @@ -126,7 +128,7 @@ int hw_fillrect(struct lynx_accel *accel, return 0; } -int hw_copyarea( +int sm750_hw_copyarea( struct lynx_accel *accel, unsigned int sBase, /* Address of source: offset in frame buffer */ unsigned int sPitch, /* Pitch value of source surface in BYTE */ @@ -213,25 +215,29 @@ unsigned int rop2) /* ROP value */ opSign = (-1); } - /* Note: + /* + * Note: * 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. + /* + * 2D Source Base. * 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. + /* + * 2D Destination Base. * 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). + /* + * 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. */ @@ -240,7 +246,8 @@ unsigned int rop2) /* ROP value */ DE_PITCH_DESTINATION_MASK) | (sPitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */ - /* Screen Window width in Pixels. + /* + * Screen Window width in Pixels. * 2D engine uses this value to calculate the linear address in frame buffer * for a given point. */ @@ -286,7 +293,7 @@ static unsigned int deGetTransparency(struct lynx_accel *accel) return de_ctrl; } -int hw_imageblit(struct lynx_accel *accel, +int sm750_hw_imageblit(struct lynx_accel *accel, const char *pSrcbuf, /* pointer to start of source buffer in system memory */ u32 srcDelta, /* Pitch value (in bytes) of the source buffer, +ive means top down and -ive mean button up */ u32 startBit, /* Mono data can start at any bit in a byte, this value should be 0 to 7 */ @@ -316,7 +323,8 @@ int hw_imageblit(struct lynx_accel *accel, if (accel->de_wait() != 0) return -1; - /* 2D Source Base. + /* + * 2D Source Base. * Use 0 for HOST Blt. */ write_dpr(accel, DE_WINDOW_SOURCE_BASE, 0); @@ -326,16 +334,19 @@ int hw_imageblit(struct lynx_accel *accel, * 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. - */ + + /* + * 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. + */ 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. + /* + * Screen Window width in Pixels. * 2D engine uses this value to calculate the linear address * in frame buffer for a given point. */ @@ -344,7 +355,8 @@ int hw_imageblit(struct lynx_accel *accel, 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, + /* + * 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. */ @@ -383,6 +395,6 @@ int hw_imageblit(struct lynx_accel *accel, pSrcbuf += srcDelta; } - return 0; + return 0; } |