--- /dev/null
+#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;
+}
+
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