[mirror_ubuntu-artful-kernel.git] / drivers / staging / sm750fb / sm750_accel.c

#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;
}
Commit	Line	Data
81dee67e SM	1	#include<linux/module.h>
	2	#include<linux/kernel.h>
	3	#include<linux/errno.h>
	4	#include<linux/string.h>
	5	#include<linux/mm.h>
	6	#include<linux/slab.h>
	7	#include<linux/delay.h>
	8	#include<linux/fb.h>
	9	#include<linux/ioport.h>
	10	#include<linux/init.h>
	11	#include<linux/pci.h>
	12	#include<linux/vmalloc.h>
	13	#include<linux/pagemap.h>
	14	#include <linux/console.h>
	15	#include<linux/platform_device.h>
	16	#include<linux/screen_info.h>
	17
	18	#include "sm750.h"
	19	#include "sm750_accel.h"
	20	#include "sm750_help.h"
	21	static inline void write_dpr(struct lynx_accel * accel,int offset,u32 regValue)
	22	{
	23	writel(regValue,accel->dprBase + offset);
	24	}
	25
	26	static inline u32 read_dpr(struct lynx_accel * accel,int offset)
	27	{
	28	return readl(accel->dprBase + offset);
	29	}
	30
	31	static inline void write_dpPort(struct lynx_accel * accel,u32 data)
	32	{
	33	writel(data,accel->dpPortBase);
	34	}
	35
	36	void hw_de_init(struct lynx_accel * accel)
	37	{
	38	/* setup 2d engine registers */
	39	u32 reg,clr;
	40
	41	write_dpr(accel,DE_MASKS,0xFFFFFFFF);
	42
	43	/* dpr1c */
	44	reg = FIELD_SET(0,DE_STRETCH_FORMAT,PATTERN_XY,NORMAL)\|
	45	FIELD_VALUE(0,DE_STRETCH_FORMAT,PATTERN_Y,0)\|
	46	FIELD_VALUE(0,DE_STRETCH_FORMAT,PATTERN_X,0)\|
	47	FIELD_SET(0,DE_STRETCH_FORMAT,ADDRESSING,XY)\|
	48	FIELD_VALUE(0,DE_STRETCH_FORMAT,SOURCE_HEIGHT,3);
	49
	50	clr = FIELD_CLEAR(DE_STRETCH_FORMAT,PATTERN_XY)&
	51	FIELD_CLEAR(DE_STRETCH_FORMAT,PATTERN_Y)&
	52	FIELD_CLEAR(DE_STRETCH_FORMAT,PATTERN_X)&
	53	FIELD_CLEAR(DE_STRETCH_FORMAT,ADDRESSING)&
	54	FIELD_CLEAR(DE_STRETCH_FORMAT,SOURCE_HEIGHT);
	55
	56	/* DE_STRETCH bpp format need be initilized in setMode routine */
	57	write_dpr(accel,DE_STRETCH_FORMAT,(read_dpr(accel,DE_STRETCH_FORMAT) & clr) \| reg);
	58
	59	/* disable clipping and transparent */
	60	write_dpr(accel,DE_CLIP_TL,0);//dpr2c
	61	write_dpr(accel,DE_CLIP_BR,0);//dpr30
	62
	63	write_dpr(accel,DE_COLOR_COMPARE_MASK,0);//dpr24
	64	write_dpr(accel,DE_COLOR_COMPARE,0);
65
66	reg = FIELD_SET(0,DE_CONTROL,TRANSPARENCY,DISABLE)\|
67	FIELD_SET(0,DE_CONTROL,TRANSPARENCY_MATCH,OPAQUE)\|
68	FIELD_SET(0,DE_CONTROL,TRANSPARENCY_SELECT,SOURCE);
69
70	clr = FIELD_CLEAR(DE_CONTROL,TRANSPARENCY)&
71	FIELD_CLEAR(DE_CONTROL,TRANSPARENCY_MATCH)&
72	FIELD_CLEAR(DE_CONTROL,TRANSPARENCY_SELECT);
73
74	/* dpr0c */
75	write_dpr(accel,DE_CONTROL,(read_dpr(accel,DE_CONTROL)&clr)\|reg);
76	}
77
78	/* set2dformat only be called from setmode functions
79	* but if you need dual framebuffer driver,need call set2dformat
80	* every time you use 2d function */
81
82	void hw_set2dformat(struct lynx_accel * accel,int fmt)
83	{
84	u32 reg;
85
86	/* fmt=0,1,2 for 8,16,32,bpp on sm718/750/502 */
87	reg = read_dpr(accel,DE_STRETCH_FORMAT);
88	reg = FIELD_VALUE(reg,DE_STRETCH_FORMAT,PIXEL_FORMAT,fmt);
89	write_dpr(accel,DE_STRETCH_FORMAT,reg);
90	}
91
81dee67e SM	92	int hw_fillrect(struct lynx_accel * accel,
	93	u32 base,u32 pitch,u32 Bpp,
	94	u32 x,u32 y,u32 width,u32 height,
	95	u32 color,u32 rop)
	96	{
	97	u32 deCtrl;
	98
	99	if(accel->de_wait() != 0)
	100	{
	101	/* int time wait and always busy,seems hardware
	102	* got something error */
	103	pr_debug("%s:De engine always bussy\n",__func__);
	104	return -1;
	105	}
	106
	107	write_dpr(accel,DE_WINDOW_DESTINATION_BASE,base);//dpr40
	108	write_dpr(accel,DE_PITCH,
	109	FIELD_VALUE(0,DE_PITCH,DESTINATION,pitch/Bpp)\|
	110	FIELD_VALUE(0,DE_PITCH,SOURCE,pitch/Bpp));//dpr10
	111
	112	write_dpr(accel,DE_WINDOW_WIDTH,
	113	FIELD_VALUE(0,DE_WINDOW_WIDTH,DESTINATION,pitch/Bpp)\|
	114	FIELD_VALUE(0,DE_WINDOW_WIDTH,SOURCE,pitch/Bpp));//dpr44
	115
	116	write_dpr(accel,DE_FOREGROUND,color);//DPR14
	117
	118	write_dpr(accel,DE_DESTINATION,
	119	FIELD_SET(0,DE_DESTINATION,WRAP,DISABLE)\|
	120	FIELD_VALUE(0,DE_DESTINATION,X,x)\|
	121	FIELD_VALUE(0,DE_DESTINATION,Y,y));//dpr4
	122
	123	write_dpr(accel,DE_DIMENSION,
	124	FIELD_VALUE(0,DE_DIMENSION,X,width)\|
	125	FIELD_VALUE(0,DE_DIMENSION,Y_ET,height));//dpr8
	126
	127	deCtrl =
	128	FIELD_SET(0,DE_CONTROL,STATUS,START)\|
	129	FIELD_SET(0,DE_CONTROL,DIRECTION,LEFT_TO_RIGHT)\|
	130	FIELD_SET(0,DE_CONTROL,LAST_PIXEL,ON)\|
	131	FIELD_SET(0,DE_CONTROL,COMMAND,RECTANGLE_FILL)\|
	132	FIELD_SET(0,DE_CONTROL,ROP_SELECT,ROP2)\|
	133	FIELD_VALUE(0,DE_CONTROL,ROP,rop);//dpr0xc
	134
	135	write_dpr(accel,DE_CONTROL,deCtrl);
	136	return 0;
	137	}
	138
	139	int hw_copyarea(
	140	struct lynx_accel * accel,
	141	unsigned int sBase, /* Address of source: offset in frame buffer */
	142	unsigned int sPitch, /* Pitch value of source surface in BYTE */
	143	unsigned int sx,
	144	unsigned int sy, /* Starting coordinate of source surface */
	145	unsigned int dBase, /* Address of destination: offset in frame buffer */
	146	unsigned int dPitch, /* Pitch value of destination surface in BYTE */
	147	unsigned int Bpp, /* Color depth of destination surface */
	148	unsigned int dx,
	149	unsigned int dy, /* Starting coordinate of destination surface */
	150	unsigned int width,
	151	unsigned int height, /* width and height of rectangle in pixel value */
	152	unsigned int rop2) /* ROP value */
	153	{
	154	unsigned int nDirection, de_ctrl;
	155	int opSign;
156	nDirection = LEFT_TO_RIGHT;
157	/* Direction of ROP2 operation: 1 = Left to Right, (-1) = Right to Left */
158	opSign = 1;
159	de_ctrl = 0;
160
161	/* If source and destination are the same surface, need to check for overlay cases */
162	if (sBase == dBase && sPitch == dPitch)
163	{
164	/* Determine direction of operation */
165	if (sy < dy)
166	{
167	/* +----------+
168	\|S \|
169	\| +----------+
170	\| \| \| \|
171	\| \| \| \|
172	+---\|------+ \|
173	\| D\|
174	+----------+ */
175
176	nDirection = BOTTOM_TO_TOP;
177	}
178	else if (sy > dy)
179	{
180	/* +----------+
181	\|D \|
182	\| +----------+
183	\| \| \| \|
184	\| \| \| \|
185	+---\|------+ \|
186	\| S\|
187	+----------+ */
188
189	nDirection = TOP_TO_BOTTOM;
190	}
191	else
192	{
193	/* sy == dy */
194
195	if (sx <= dx)
196	{
197	/* +------+---+------+
198	\|S \| \| D\|
199	\| \| \| \|
200	\| \| \| \|
201	\| \| \| \|
202	+------+---+------+ */
203
204	nDirection = RIGHT_TO_LEFT;
205	}
206	else
207	{
208	/* sx > dx */
209
210	/* +------+---+------+
211	\|D \| \| S\|
212	\| \| \| \|
213	\| \| \| \|
214	\| \| \| \|
215	+------+---+------+ */
216
217	nDirection = LEFT_TO_RIGHT;
218	}
219	}
220	}
221
222	if ((nDirection == BOTTOM_TO_TOP) \|\| (nDirection == RIGHT_TO_LEFT))
223	{
224	sx += width - 1;
225	sy += height - 1;
226	dx += width - 1;
227	dy += height - 1;
228	opSign = (-1);
229	}
230
231	/* Note:
232	DE_FOREGROUND are DE_BACKGROUND are don't care.
233	DE_COLOR_COMPARE and DE_COLOR_COMPARE_MAKS are set by set deSetTransparency().
234	*/
235
236	/* 2D Source Base.
237	It is an address offset (128 bit aligned) from the beginning of frame buffer.
238	*/
239	write_dpr(accel,DE_WINDOW_SOURCE_BASE, sBase);//dpr40
240
241	/* 2D Destination Base.
242	It is an address offset (128 bit aligned) from the beginning of frame buffer.
243	*/
244	write_dpr(accel,DE_WINDOW_DESTINATION_BASE, dBase);//dpr44
245
246	#if 0
247	/* Program pitch (distance between the 1st points of two adjacent lines).
248	Note that input pitch is BYTE value, but the 2D Pitch register uses
249	pixel values. Need Byte to pixel convertion.
250	*/
251	if(Bpp == 3){
252	sx *= 3;
253	dx *= 3;
254	width *= 3;
255	write_dpr(accel,DE_PITCH,
256	FIELD_VALUE(0, DE_PITCH, DESTINATION, dPitch) \|
257	FIELD_VALUE(0, DE_PITCH, SOURCE, sPitch));//dpr10
258	}
259	else
260	#endif
261	{
262	write_dpr(accel,DE_PITCH,
263	FIELD_VALUE(0, DE_PITCH, DESTINATION, (dPitch/Bpp)) \|
264	FIELD_VALUE(0, DE_PITCH, SOURCE, (sPitch/Bpp)));//dpr10
265	}
266
267	/* Screen Window width in Pixels.
268	2D engine uses this value to calculate the linear address in frame buffer for a given point.
269	*/
270	write_dpr(accel,DE_WINDOW_WIDTH,
271	FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, (dPitch/Bpp)) \|
272	FIELD_VALUE(0, DE_WINDOW_WIDTH, SOURCE, (sPitch/Bpp)));//dpr3c
273
274	if (accel->de_wait() != 0){
275	return -1;
276	}
277
278	{
279
280	write_dpr(accel,DE_SOURCE,
281	FIELD_SET (0, DE_SOURCE, WRAP, DISABLE) \|
282	FIELD_VALUE(0, DE_SOURCE, X_K1, sx) \|
283	FIELD_VALUE(0, DE_SOURCE, Y_K2, sy));//dpr0
284	write_dpr(accel,DE_DESTINATION,
285	FIELD_SET (0, DE_DESTINATION, WRAP, DISABLE) \|
286	FIELD_VALUE(0, DE_DESTINATION, X, dx) \|
287	FIELD_VALUE(0, DE_DESTINATION, Y, dy));//dpr04
288	write_dpr(accel,DE_DIMENSION,
289	FIELD_VALUE(0, DE_DIMENSION, X, width) \|
290	FIELD_VALUE(0, DE_DIMENSION, Y_ET, height));//dpr08
291
292	de_ctrl =
293	FIELD_VALUE(0, DE_CONTROL, ROP, rop2) \|
294	FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) \|
295	FIELD_SET(0, DE_CONTROL, COMMAND, BITBLT) \|
296	((nDirection == RIGHT_TO_LEFT) ?
297	FIELD_SET(0, DE_CONTROL, DIRECTION, RIGHT_TO_LEFT)
298	: FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT)) \|
299	FIELD_SET(0, DE_CONTROL, STATUS, START);
300	write_dpr(accel,DE_CONTROL,de_ctrl);//dpr0c
301	}
302
303	return 0;
304	}
305
306	static unsigned int deGetTransparency(struct lynx_accel * accel)
307	{
308	unsigned int de_ctrl;
309
310	de_ctrl = read_dpr(accel,DE_CONTROL);
311
312	de_ctrl &=
313	FIELD_MASK(DE_CONTROL_TRANSPARENCY_MATCH) \|
314	FIELD_MASK(DE_CONTROL_TRANSPARENCY_SELECT)\|
315	FIELD_MASK(DE_CONTROL_TRANSPARENCY);
316
317	return de_ctrl;
318	}
319
7c6f3fdc GKH	320	int hw_imageblit(struct lynx_accel *accel,
	321	const char pSrcbuf, / pointer to start of source buffer in system memory */
	322	u32 srcDelta, /* Pitch value (in bytes) of the source buffer, +ive means top down and -ive mean button up */
	323	u32 startBit, /* Mono data can start at any bit in a byte, this value should be 0 to 7 */
	324	u32 dBase, /* Address of destination: offset in frame buffer */
	325	u32 dPitch, /* Pitch value of destination surface in BYTE */
	326	u32 bytePerPixel, /* Color depth of destination surface */
	327	u32 dx,
	328	u32 dy, /* Starting coordinate of destination surface */
	329	u32 width,
	330	u32 height, /* width and height of rectange in pixel value */
	331	u32 fColor, /* Foreground color (corresponding to a 1 in the monochrome data */
	332	u32 bColor, /* Background color (corresponding to a 0 in the monochrome data */
	333	u32 rop2) /* ROP value */
81dee67e SM	334	{
	335	unsigned int ulBytesPerScan;
	336	unsigned int ul4BytesPerScan;
	337	unsigned int ulBytesRemain;
	338	unsigned int de_ctrl = 0;
	339	unsigned char ajRemain[4];
	340	int i, j;
	341
	342	startBit &= 7; /* Just make sure the start bit is within legal range */
	343	ulBytesPerScan = (width + startBit + 7) / 8;
	344	ul4BytesPerScan = ulBytesPerScan & ~3;
	345	ulBytesRemain = ulBytesPerScan & 3;
	346
	347	if(accel->de_wait() != 0)
	348	{
	349	// inf_msg("* ImageBlit return -1 *\n");
	350	return -1;
	351	}
	352
	353	/* 2D Source Base.
	354	Use 0 for HOST Blt.
	355	*/
	356	write_dpr(accel,DE_WINDOW_SOURCE_BASE, 0);
	357
	358	/* 2D Destination Base.
	359	It is an address offset (128 bit aligned) from the beginning of frame buffer.
	360	*/
	361	write_dpr(accel,DE_WINDOW_DESTINATION_BASE, dBase);
	362	#if 0
	363	/* Program pitch (distance between the 1st points of two adjacent lines).
	364	Note that input pitch is BYTE value, but the 2D Pitch register uses
	365	pixel values. Need Byte to pixel convertion.
	366	*/
	367	if(bytePerPixel == 3 ){
	368	dx *= 3;
	369	width *= 3;
	370	startBit *= 3;
	371	write_dpr(accel,DE_PITCH,
	372	FIELD_VALUE(0, DE_PITCH, DESTINATION, dPitch) \|
	373	FIELD_VALUE(0, DE_PITCH, SOURCE, dPitch));//dpr10
	374
	375	}
	376	else
	377	#endif
	378	{
	379	write_dpr(accel,DE_PITCH,
	380	FIELD_VALUE(0, DE_PITCH, DESTINATION, dPitch/bytePerPixel) \|
	381	FIELD_VALUE(0, DE_PITCH, SOURCE, dPitch/bytePerPixel));//dpr10
	382	}
	383
	384	/* Screen Window width in Pixels.
	385	2D engine uses this value to calculate the linear address in frame buffer for a given point.
	386	*/
	387	write_dpr(accel,DE_WINDOW_WIDTH,
	388	FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION, (dPitch/bytePerPixel)) \|
	389	FIELD_VALUE(0, DE_WINDOW_WIDTH, SOURCE, (dPitch/bytePerPixel)));
	390
	391	/* Note: For 2D Source in Host Write, only X_K1_MONO field is needed, and Y_K2 field is not used.
	392	For mono bitmap, use startBit for X_K1. */
	393	write_dpr(accel,DE_SOURCE,
	394	FIELD_SET (0, DE_SOURCE, WRAP, DISABLE) \|
	395	FIELD_VALUE(0, DE_SOURCE, X_K1_MONO, startBit));//dpr00
	396
	397	write_dpr(accel,DE_DESTINATION,
398	FIELD_SET (0, DE_DESTINATION, WRAP, DISABLE) \|
399	FIELD_VALUE(0, DE_DESTINATION, X, dx) \|
400	FIELD_VALUE(0, DE_DESTINATION, Y, dy));//dpr04
401
402	write_dpr(accel,DE_DIMENSION,
403	FIELD_VALUE(0, DE_DIMENSION, X, width) \|
404	FIELD_VALUE(0, DE_DIMENSION, Y_ET, height));//dpr08
405
406	write_dpr(accel,DE_FOREGROUND, fColor);
407	write_dpr(accel,DE_BACKGROUND, bColor);
408
409	de_ctrl = FIELD_VALUE(0, DE_CONTROL, ROP, rop2) \|
410	FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) \|
411	FIELD_SET(0, DE_CONTROL, COMMAND, HOST_WRITE) \|
412	FIELD_SET(0, DE_CONTROL, HOST, MONO) \|
413	FIELD_SET(0, DE_CONTROL, STATUS, START);
414
415	write_dpr(accel,DE_CONTROL, de_ctrl \| deGetTransparency(accel));
416
417	/* Write MONO data (line by line) to 2D Engine data port */
418	for (i=0; i<height; i++)
419	{
420	/* For each line, send the data in chunks of 4 bytes */
421	for (j=0; j<(ul4BytesPerScan/4); j++)
422	{
423	write_dpPort(accel, (unsigned int )(pSrcbuf + (j * 4)));
424	}
425
426	if (ulBytesRemain)
427	{
428	memcpy(ajRemain, pSrcbuf+ul4BytesPerScan, ulBytesRemain);
429	write_dpPort(accel, (unsigned int )ajRemain);
430	}
431
432	pSrcbuf += srcDelta;
433	}
434
435	return 0;
436	}
437