diff options
Diffstat (limited to 'drivers/staging/sm750fb/sm750_accel.c')
| -rw-r--r-- | drivers/staging/sm750fb/sm750_accel.c | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c new file mode 100644 index 000000000000..c5a372690737 --- /dev/null +++ b/drivers/staging/sm750fb/sm750_accel.c @@ -0,0 +1,437 @@ +#include<linux/module.h> +#include<linux/kernel.h> +#include<linux/errno.h> +#include<linux/string.h> +#include<linux/mm.h> +#include<linux/slab.h> +#include<linux/delay.h> +#include<linux/fb.h> +#include<linux/ioport.h> +#include<linux/init.h> +#include<linux/pci.h> +#include<linux/vmalloc.h> +#include<linux/pagemap.h> +#include <linux/console.h> +#include<linux/platform_device.h> +#include<linux/screen_info.h> + +#include "sm750.h" +#include "sm750_accel.h" +#include "sm750_help.h" +static inline void write_dpr(struct lynx_accel * accel,int offset,u32 regValue) +{ + writel(regValue,accel->dprBase + offset); +} + +static inline u32 read_dpr(struct lynx_accel * accel,int offset) +{ + return readl(accel->dprBase + offset); +} + +static inline void write_dpPort(struct lynx_accel * accel,u32 data) +{ + writel(data,accel->dpPortBase); +} + +void hw_de_init(struct lynx_accel * accel) +{ + /* setup 2d engine registers */ + u32 reg,clr; + + write_dpr(accel,DE_MASKS,0xFFFFFFFF); + + /* dpr1c */ + reg = FIELD_SET(0,DE_STRETCH_FORMAT,PATTERN_XY,NORMAL)| + FIELD_VALUE(0,DE_STRETCH_FORMAT,PATTERN_Y,0)| + FIELD_VALUE(0,DE_STRETCH_FORMAT,PATTERN_X,0)| + FIELD_SET(0,DE_STRETCH_FORMAT,ADDRESSING,XY)| + FIELD_VALUE(0,DE_STRETCH_FORMAT,SOURCE_HEIGHT,3); + + clr = FIELD_CLEAR(DE_STRETCH_FORMAT,PATTERN_XY)& + FIELD_CLEAR(DE_STRETCH_FORMAT,PATTERN_Y)& + FIELD_CLEAR(DE_STRETCH_FORMAT,PATTERN_X)& + FIELD_CLEAR(DE_STRETCH_FORMAT,ADDRESSING)& + FIELD_CLEAR(DE_STRETCH_FORMAT,SOURCE_HEIGHT); + + /* DE_STRETCH bpp format need be initilized in setMode routine */ + write_dpr(accel,DE_STRETCH_FORMAT,(read_dpr(accel,DE_STRETCH_FORMAT) & clr) | reg); + + /* disable clipping and transparent */ + write_dpr(accel,DE_CLIP_TL,0);//dpr2c + write_dpr(accel,DE_CLIP_BR,0);//dpr30 + + write_dpr(accel,DE_COLOR_COMPARE_MASK,0);//dpr24 + write_dpr(accel,DE_COLOR_COMPARE,0); + + reg = FIELD_SET(0,DE_CONTROL,TRANSPARENCY,DISABLE)| + FIELD_SET(0,DE_CONTROL,TRANSPARENCY_MATCH,OPAQUE)| + FIELD_SET(0,DE_CONTROL,TRANSPARENCY_SELECT,SOURCE); + + clr = FIELD_CLEAR(DE_CONTROL,TRANSPARENCY)& + FIELD_CLEAR(DE_CONTROL,TRANSPARENCY_MATCH)& + FIELD_CLEAR(DE_CONTROL,TRANSPARENCY_SELECT); + + /* dpr0c */ + write_dpr(accel,DE_CONTROL,(read_dpr(accel,DE_CONTROL)&clr)|reg); +} + +/* 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) +{ + u32 reg; + + /* fmt=0,1,2 for 8,16,32,bpp on sm718/750/502 */ + reg = read_dpr(accel,DE_STRETCH_FORMAT); + reg = FIELD_VALUE(reg,DE_STRETCH_FORMAT,PIXEL_FORMAT,fmt); + write_dpr(accel,DE_STRETCH_FORMAT,reg); +} + +int hw_fillrect(struct lynx_accel * accel, + u32 base,u32 pitch,u32 Bpp, + u32 x,u32 y,u32 width,u32 height, + u32 color,u32 rop) +{ + u32 deCtrl; + + if(accel->de_wait() != 0) + { + /* int time wait and always busy,seems hardware + * got something error */ + pr_debug("%s:De engine always bussy\n",__func__); + return -1; + } + + write_dpr(accel,DE_WINDOW_DESTINATION_BASE,base);//dpr40 + write_dpr(accel,DE_PITCH, + FIELD_VALUE(0,DE_PITCH,DESTINATION,pitch/Bpp)| + FIELD_VALUE(0,DE_PITCH,SOURCE,pitch/Bpp));//dpr10 + + write_dpr(accel,DE_WINDOW_WIDTH, + FIELD_VALUE(0,DE_WINDOW_WIDTH,DESTINATION,pitch/Bpp)| + FIELD_VALUE(0,DE_WINDOW_WIDTH,SOURCE,pitch/Bpp));//dpr44 + + write_dpr(accel,DE_FOREGROUND,color);//DPR14 + + write_dpr(accel,DE_DESTINATION, + FIELD_SET(0,DE_DESTINATION,WRAP,DISABLE)| + FIELD_VALUE(0,DE_DESTINATION,X,x)| + FIELD_VALUE(0,DE_DESTINATION,Y,y));//dpr4 + + write_dpr(accel,DE_DIMENSION, + FIELD_VALUE(0,DE_DIMENSION,X,width)| + FIELD_VALUE(0,DE_DIMENSION,Y_ET,height));//dpr8 + + deCtrl = + FIELD_SET(0,DE_CONTROL,STATUS,START)| + FIELD_SET(0,DE_CONTROL,DIRECTION,LEFT_TO_RIGHT)| + FIELD_SET(0,DE_CONTROL,LAST_PIXEL,ON)| + FIELD_SET(0,DE_CONTROL,COMMAND,RECTANGLE_FILL)| + FIELD_SET(0,DE_CONTROL,ROP_SELECT,ROP2)| + FIELD_VALUE(0,DE_CONTROL,ROP,rop);//dpr0xc + + write_dpr(accel,DE_CONTROL,deCtrl); + return 0; +} + +int 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 */ +unsigned int sx, +unsigned int sy, /* Starting coordinate of source surface */ +unsigned int dBase, /* Address of destination: offset in frame buffer */ +unsigned int dPitch, /* Pitch value of destination surface in BYTE */ +unsigned int Bpp, /* Color depth of destination surface */ +unsigned int dx, +unsigned int dy, /* Starting coordinate of destination surface */ +unsigned int width, +unsigned int height, /* width and height of rectangle in pixel value */ +unsigned int rop2) /* ROP value */ +{ + unsigned int nDirection, de_ctrl; + int opSign; + nDirection = LEFT_TO_RIGHT; + /* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */ + opSign = 1; + de_ctrl = 0; + + /* If source and destination are the same surface, need to check for overlay cases */ + if (sBase == dBase && sPitch == dPitch) + { + /* Determine direction of operation */ + if (sy < dy) + { + /* +----------+ + |S | + | +----------+ + | | | | + | | | | + +---|------+ | + | D| + +----------+ */ + + nDirection = BOTTOM_TO_TOP; + } + else if (sy > dy) + { + /* +----------+ + |D | + | +----------+ + | | | | + | | | | + +---|------+ | + | S| + +----------+ */ + + nDirection = TOP_TO_BOTTOM; + } + else + { + /* sy == dy */ + + if (sx <= dx) + { + /* +------+---+------+ + |S | | D| + | | | | + | | | | + | | | | + +------+---+------+ */ + + nDirection = RIGHT_TO_LEFT; + } + else + { + /* sx > dx */ + + /* +------+---+------+ + |D | | S| + | | | | + | | | | + | | | | + +------+---+------+ */ + + nDirection = LEFT_TO_RIGHT; + } + } + } + + if ((nDirection == BOTTOM_TO_TOP) || (nDirection == RIGHT_TO_LEFT)) + { + sx += width - 1; + sy += height - 1; + dx += width - 1; + dy += height - 1; + opSign = (-1); + } + + /* 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. + 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. + */ + write_dpr(accel,DE_WINDOW_DESTINATION_BASE, dBase);//dpr44 + +#if 0 + /* 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 convertion. + */ + if(Bpp == 3){ + sx *= 3; + dx *= 3; + width *= 3; + write_dpr(accel,DE_PITCH, + FIELD_VALUE(0, DE_PITCH, DESTINATION, dPitch) | + FIELD_VALUE(0, DE_PITCH, SOURCE, sPitch));//dpr10 + } + else +#endif + { + write_dpr(accel,DE_PITCH, + FIELD_VALUE(0, DE_PITCH, DESTINATION, (dPitch/Bpp)) | + FIELD_VALUE(0, DE_PITCH, SOURCE, (sPitch/Bpp)));//dpr10 + } + + /* Screen Window width in Pixels. + 2D engine uses this value to calculate the linear address in frame buffer for a given point. + */ + write_dpr(accel,DE_WINDOW_WIDTH, + FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, (dPitch/Bpp)) | + FIELD_VALUE(0, DE_WINDOW_WIDTH, SOURCE, (sPitch/Bpp)));//dpr3c + + if (accel->de_wait() != 0){ + return -1; + } + + { + + write_dpr(accel,DE_SOURCE, + FIELD_SET (0, DE_SOURCE, WRAP, DISABLE) | + FIELD_VALUE(0, DE_SOURCE, X_K1, sx) | + FIELD_VALUE(0, DE_SOURCE, Y_K2, sy));//dpr0 + write_dpr(accel,DE_DESTINATION, + FIELD_SET (0, DE_DESTINATION, WRAP, DISABLE) | + FIELD_VALUE(0, DE_DESTINATION, X, dx) | + FIELD_VALUE(0, DE_DESTINATION, Y, dy));//dpr04 + write_dpr(accel,DE_DIMENSION, + FIELD_VALUE(0, DE_DIMENSION, X, width) | + FIELD_VALUE(0, DE_DIMENSION, Y_ET, height));//dpr08 + + de_ctrl = + FIELD_VALUE(0, DE_CONTROL, ROP, rop2) | + FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | + FIELD_SET(0, DE_CONTROL, COMMAND, BITBLT) | + ((nDirection == RIGHT_TO_LEFT) ? + FIELD_SET(0, DE_CONTROL, DIRECTION, RIGHT_TO_LEFT) + : FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT)) | + FIELD_SET(0, DE_CONTROL, STATUS, START); + write_dpr(accel,DE_CONTROL,de_ctrl);//dpr0c + } + + return 0; +} + +static unsigned int deGetTransparency(struct lynx_accel * accel) +{ + unsigned int de_ctrl; + + de_ctrl = read_dpr(accel,DE_CONTROL); + + de_ctrl &= + FIELD_MASK(DE_CONTROL_TRANSPARENCY_MATCH) | + FIELD_MASK(DE_CONTROL_TRANSPARENCY_SELECT)| + FIELD_MASK(DE_CONTROL_TRANSPARENCY); + + return de_ctrl; +} + +int 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 */ + u32 dBase, /* Address of destination: offset in frame buffer */ + u32 dPitch, /* Pitch value of destination surface in BYTE */ + u32 bytePerPixel, /* Color depth of destination surface */ + u32 dx, + u32 dy, /* Starting coordinate of destination surface */ + u32 width, + u32 height, /* width and height of rectange in pixel value */ + u32 fColor, /* Foreground color (corresponding to a 1 in the monochrome data */ + u32 bColor, /* Background color (corresponding to a 0 in the monochrome data */ + u32 rop2) /* ROP value */ +{ + unsigned int ulBytesPerScan; + unsigned int ul4BytesPerScan; + unsigned int ulBytesRemain; + unsigned int de_ctrl = 0; + unsigned char ajRemain[4]; + int i, j; + + startBit &= 7; /* Just make sure the start bit is within legal range */ + ulBytesPerScan = (width + startBit + 7) / 8; + ul4BytesPerScan = ulBytesPerScan & ~3; + ulBytesRemain = ulBytesPerScan & 3; + + if(accel->de_wait() != 0) + { +// inf_msg("*** ImageBlit return -1 ***\n"); + return -1; + } + + /* 2D Source Base. + 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. + */ + write_dpr(accel,DE_WINDOW_DESTINATION_BASE, dBase); +#if 0 + /* 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 convertion. + */ + if(bytePerPixel == 3 ){ + dx *= 3; + width *= 3; + startBit *= 3; + write_dpr(accel,DE_PITCH, + FIELD_VALUE(0, DE_PITCH, DESTINATION, dPitch) | + FIELD_VALUE(0, DE_PITCH, SOURCE, dPitch));//dpr10 + + } + else +#endif + { + write_dpr(accel,DE_PITCH, + FIELD_VALUE(0, DE_PITCH, DESTINATION, dPitch/bytePerPixel) | + FIELD_VALUE(0, DE_PITCH, SOURCE, dPitch/bytePerPixel));//dpr10 + } + + /* Screen Window width in Pixels. + 2D engine uses this value to calculate the linear address in frame buffer for a given point. + */ + write_dpr(accel,DE_WINDOW_WIDTH, + FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, (dPitch/bytePerPixel)) | + FIELD_VALUE(0, DE_WINDOW_WIDTH, SOURCE, (dPitch/bytePerPixel))); + + /* 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, + FIELD_SET (0, DE_SOURCE, WRAP, DISABLE) | + FIELD_VALUE(0, DE_SOURCE, X_K1_MONO, startBit));//dpr00 + + write_dpr(accel,DE_DESTINATION, + FIELD_SET (0, DE_DESTINATION, WRAP, DISABLE) | + FIELD_VALUE(0, DE_DESTINATION, X, dx) | + FIELD_VALUE(0, DE_DESTINATION, Y, dy));//dpr04 + + write_dpr(accel,DE_DIMENSION, + FIELD_VALUE(0, DE_DIMENSION, X, width) | + FIELD_VALUE(0, DE_DIMENSION, Y_ET, height));//dpr08 + + write_dpr(accel,DE_FOREGROUND, fColor); + write_dpr(accel,DE_BACKGROUND, bColor); + + de_ctrl = FIELD_VALUE(0, DE_CONTROL, ROP, rop2) | + FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) | + FIELD_SET(0, DE_CONTROL, COMMAND, HOST_WRITE) | + FIELD_SET(0, DE_CONTROL, HOST, MONO) | + FIELD_SET(0, DE_CONTROL, STATUS, START); + + write_dpr(accel,DE_CONTROL, de_ctrl | deGetTransparency(accel)); + + /* Write MONO data (line by line) to 2D Engine data port */ + for (i=0; i<height; i++) + { + /* For each line, send the data in chunks of 4 bytes */ + for (j=0; j<(ul4BytesPerScan/4); j++) + { + write_dpPort(accel, *(unsigned int *)(pSrcbuf + (j * 4))); + } + + if (ulBytesRemain) + { + memcpy(ajRemain, pSrcbuf+ul4BytesPerScan, ulBytesRemain); + write_dpPort(accel, *(unsigned int *)ajRemain); + } + + pSrcbuf += srcDelta; + } + + return 0; +} + |