/*
* Copyright 2004 by Costas Stylianou <[email protected]> +44(0)7850 394095
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Costas Sylianou not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Costas Stylianou makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* COSTAS STYLIANOU DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL COSTAS STYLIANOU BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* epson13806draw.c - Implementation of hardware accelerated functions for epson S1D13806
* Graphic controller.
*
* History:
* 28-Jan-04 C.Stylianou PRJ NBL: Created from chipsdraw.c
*
*/
#include "epson13806.h"
#include "epson13806draw.h"
#include "epson13806reg.h"
#include "kaa.h"
#include "gcstruct.h"
#include "scrnintstr.h"
#include "pixmapstr.h"
#include "regionstr.h"
#include "mistruct.h"
#include "dixfontstr.h"
#include "fb.h"
#include "migc.h"
#include "miline.h"
// Functionality of BitBLT ROP register for Epson S1D13806 Graphics controller
CARD8 epson13806Rop[16] = {
/* GXclear */ 0x00, /* 0 */
/* GXand */ 0x08, /* src AND dst */
/* GXandReverse */ 0x04, /* src AND NOT dst */
/* GXcopy */ 0x0C, /* src */
/* GXandInverted*/ 0x02, /* NOT src AND dst */
/* GXnoop */ 0x0A, /* dst */
/* GXxor */ 0x06, /* src XOR dst */
/* GXor */ 0x0E, /* src OR dst */
/* GXnor */ 0x01, /* NOT src AND NOT dst */
/* GXequiv */ 0x09, /* NOT src XOR dst */
/* GXinvert */ 0x05, /* NOT dst */
/* GXorReverse */ 0x0D, /* src OR NOT dst */
/* GXcopyInverted*/ 0x03, /* NOT src */
/* GXorInverted */ 0x0B, /* NOT src OR dst */
/* GXnand */ 0x07, /* NOT src OR NOT dst */
/* GXset */ 0x0F, /* 1 */
};
#undef __DEBUG_EPSON__
#undef __DEBUG_EPSON_FBSET__
#undef __DEBUG_EPSON_SOLID__
#undef __DEBUG_EPSON_COPY__
#ifdef __DEBUG_EPSON__
#define EPSON_DEBUG(a) a
#else
#define EPSON_DEBUG(a)
#endif
#ifdef __DEBUG_EPSON_FBSET__
#define EPSON_DEBUG_FBSET(a) a
#else
#define EPSON_DEBUG_FBSET(a)
#endif
#ifdef __DEBUG_EPSON_SOLID__
#define EPSON_DEBUG_SOLID(a) a
#else
#define EPSON_DEBUG_SOLID(a)
#endif
#ifdef __DEBUG_EPSON_COPY__
#define EPSON_DEBUG_COPY(a) a
#else
#define EPSON_DEBUG_COPY(a)
#endif
static unsigned int byteStride; // Distance between lines in the frame buffer (in bytes)
static unsigned int bytesPerPixel;
static unsigned int pixelStride;
static unsigned char *regbase;
/*
* epsonSet
*
* Description: Sets Epson variables
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonSet (ScreenPtr pScreen)
{
EPSON_DEBUG_FBSET (fprintf(stderr,"+epsonSet\n"));
KdScreenPriv(pScreen);
byteStride = pScreenPriv->screen->fb[0].byteStride;
bytesPerPixel = pScreenPriv->screen->fb[0].bitsPerPixel >> 3;
pixelStride = pScreenPriv->screen->fb[0].pixelStride;
EPSON_DEBUG_FBSET (fprintf(stderr,"byteStride: [%x]\n", pScreenPriv->screen->fb[0].byteStride));
EPSON_DEBUG_FBSET (fprintf(stderr,"bytesPerPixel: [%x]\n", pScreenPriv->screen->fb[0].bitsPerPixel >> 3));
EPSON_DEBUG_FBSET (fprintf(stderr,"pixelStride: [%x]\n", pScreenPriv->screen->fb[0].pixelStride));
EPSON_DEBUG_FBSET (fprintf(stderr,"-epsonSet\n"));
}
/*
* epsonBg
*
* Description: Sets background colour
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonBg (Pixel bg)
{
EPSON13806_REG16(EPSON13806_BLTBGCOLOR) = bg;
}
/*
* epsonFg
*
* Description: Sets foreground colour
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonFg (Pixel fg)
{
EPSON13806_REG16(EPSON13806_BLTFGCOLOR) = fg;
}
/*
* epsonWaitForHwBltDone
*
* Description: Wait for previous blt to be done before programming any blt registers
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonWaitForHwBltDone (void)
{
while (EPSON13806_REG (EPSON13806_BLTCTRL0) & EPSON13806_BLTCTRL0_ACTIVE) {}
}
/*
* epsonDrawSync
*
* Description: Sync hardware acceleration
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonWaitMarker (ScreenPtr pScreen, int marker)
{
EPSON_DEBUG (fprintf(stderr,"+epsonDrawSync\n"));
epsonWaitForHwBltDone ();
EPSON_DEBUG (fprintf(stderr,"-epsonDrawSync\n"));
}
/*
* epsonPrepareSolid
*
* Description: Prepare Solid Fill i.e, can it be accelerated
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static Bool
epsonPrepareSolid (PixmapPtr pPixmap,
int alu,
Pixel pm,
Pixel fg)
{
EPSON_DEBUG_SOLID (fprintf(stderr,"+epsonPrepareSolid\n"));
FbBits depthMask;
depthMask = FbFullMask(pPixmap->drawable.depth);
if ((pm & depthMask) != depthMask)
return FALSE;
epsonSet (pPixmap->drawable.pScreen);
fg &= 0xffff;
epsonFg (fg);
epsonBg (fg);
epsonWaitForHwBltDone ();
EPSON_DEBUG_SOLID (fprintf(stderr,"Solid.alu [0x%x], [%d]\n", alu ,epson13806Rop[alu]));
EPSON13806_REG(EPSON13806_BLTROP) = epson13806Rop[alu];
if (epson13806Rop[alu] == GXnoop)
{
EPSON13806_REG(EPSON13806_BLTOPERATION) = EPSON13806_BLTOPERATION_PATFILLROP;
}
else
{
EPSON13806_REG(EPSON13806_BLTOPERATION) = EPSON13806_BLTOPERATION_SOLIDFILL;
}
EPSON_DEBUG_SOLID (fprintf(stderr,"-epsonPrepareSolid\n"));
return TRUE;
}
/*
* epsonSolid
*
* Description: Executes Solid Fill
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonSolid (int x1, int y1, int x2, int y2)
{
EPSON_DEBUG_SOLID (fprintf(stderr,"+epsonSolid\n"));
CARD32 dst_addr;
int width, height;
EPSON_DEBUG_SOLID (fprintf(stderr,"Solid X1 [%d] Y1 [%d] X2 [%d] Y2 [%d]\n", x1, y1, x2, y2));
dst_addr = y1 * byteStride + x1 * bytesPerPixel;
width = ((x2 - x1)-1);
height = ((y2 - y1)-1);
// program dst address
EPSON13806_REG16(EPSON13806_BLTDSTSTART01) = dst_addr;
EPSON13806_REG(EPSON13806_BLTDSTSTART2) = dst_addr >> 16;
// program width and height of blit
EPSON13806_REG16(EPSON13806_BLTWIDTH) = width;
EPSON13806_REG16(EPSON13806_BLTHEIGHT) = height;
EPSON13806_REG(EPSON13806_BLTCTRL0) = EPSON13806_BLTCTRL0_ACTIVE;
// Wait for operation to complete
while (EPSON13806_REG(EPSON13806_BLTCTRL0) & EPSON13806_BLTCTRL0_ACTIVE) {}
EPSON_DEBUG_SOLID (fprintf(stderr,"-epsonSolid\n"));
}
/*
* epsonDoneSolid
*
* Description: Done Solid
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonDoneSolid (void)
{
EPSON_DEBUG_SOLID (fprintf(stderr,"+epsonDoneSolid\n"));
// Read from BitBLT data offset 0 to shut it down
//(void)EPSON13806_REG(EPSON13806_BITBLTDATA);
EPSON_DEBUG_SOLID (fprintf(stderr,"-epsonDoneSolid\n"));
}
/*
* epsonPrepareCopy
*
* Description: Prepares BitBLT, i.e, can it be accelerated
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static Bool
epsonPrepareCopy (PixmapPtr pSrcPixmap,
PixmapPtr pDstPixmap,
int dx,
int dy,
int alu,
Pixel pm)
{
EPSON_DEBUG_COPY (fprintf(stderr,"+epsonPrepareCopy dx [0x%x] dy [0x%x]\n", dx, dy));
FbBits depthMask;
depthMask = FbFullMask(pDstPixmap->drawable.depth);
if ((pm & depthMask) != depthMask)
return FALSE;
epsonSet (pDstPixmap->drawable.pScreen);
epsonWaitForHwBltDone ();
EPSON13806_REG(EPSON13806_BLTROP) = epson13806Rop[alu];
EPSON_DEBUG_COPY (fprintf(stderr,"-epsonPrepareCopy\n"));
return TRUE;
}
/*
* epsonCopy
*
* Description: Executes BitBLT
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonCopy (int srcX,
int srcY,
int dstX,
int dstY,
int width,
int height)
{
EPSON_DEBUG_COPY (fprintf(stderr,"+epsonCopy\n"));
int src_addr, dst_addr;
int neg_dir = FALSE;
if (!width || !height)
return;
src_addr = srcX * bytesPerPixel + srcY * byteStride;
dst_addr = dstX * bytesPerPixel + dstY * byteStride;
/*
* See if regions overlap and dest region is beyond source region.
* If so, we need to do a move BLT in negative direction. Only applies
* if the BLT is not transparent.
*/
if ((srcX + width > dstX) && (srcX < dstX + width) &&
(srcY + height > dstY) && (srcY < dstY + height) &&
(dst_addr > src_addr))
{
neg_dir = TRUE;
// negative direction : get the coords of lower right corner
src_addr += byteStride * (height-1) + bytesPerPixel * (width-1);
dst_addr += byteStride * (height-1) + bytesPerPixel * (width-1);
}
// program BLIT memory offset
EPSON13806_REG16(EPSON13806_BLTSTRIDE) = byteStride/2;
// program src and dst addresses
EPSON13806_REG16(EPSON13806_BLTSRCSTART01) = src_addr;
EPSON13806_REG(EPSON13806_BLTSRCSTART2) = src_addr >> 16;
EPSON13806_REG16(EPSON13806_BLTDSTSTART01) = dst_addr;
EPSON13806_REG(EPSON13806_BLTDSTSTART2) = dst_addr >> 16;
// program width and height of blit
EPSON13806_REG16(EPSON13806_BLTWIDTH) = width-1;
EPSON13806_REG16(EPSON13806_BLTHEIGHT) = height-1;
// select pos/neg move BLIT
EPSON13806_REG(EPSON13806_BLTOPERATION) = neg_dir ?
EPSON13806_BLTOPERATION_MOVENEGROP : EPSON13806_BLTOPERATION_MOVEPOSROP;
EPSON13806_REG(EPSON13806_BLTCTRL0) = EPSON13806_BLTCTRL0_ACTIVE;
// Wait for operation to complete
while (EPSON13806_REG(EPSON13806_BLTCTRL0) & EPSON13806_BLTCTRL0_ACTIVE) {}
EPSON_DEBUG_COPY (fprintf(stderr,"-epsonCopy\n"));
}
/*
* epsonDoneCopy
*
* Description: Done Copy
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
static void
epsonDoneCopy (void)
{
EPSON_DEBUG_COPY (fprintf(stderr,"+epsonDoneCopy\n"));
// Read from BitBLT data offset 0 to shut it down
//(void)EPSON13806_REG(EPSON13806_BITBLTDATA);
EPSON_DEBUG_COPY (fprintf(stderr,"-epsonDoneCopy\n"));
}
/*
* epsonDrawInit
*
* Description: Configure the Epson S1D13806 for a 800x600 TFT colour display
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
Bool
epsonDrawInit (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
EpsonScrPriv *epsons = screen->driver;
EPSON_DEBUG (fprintf(stderr,"+epsonDrawInit\n"));
epsonSet(pScreen);
#if 0
EPSON13806_REG(EPSON13806_MISC) = 0x00;
EPSON13806_REG(EPSON13806_DISPMODE) = 0x00;
EPSON13806_REG16(EPSON13806_GPIOCFG) = 0xffff;
EPSON13806_REG16(EPSON13806_GPIOCTRL) = 0x0001;
EPSON13806_REG(EPSON13806_MEMCLKCFG) = 0x01;
EPSON13806_REG(EPSON13806_LCDPCLKCFG) = 0x00;
EPSON13806_REG(EPSON13806_CRTPCLKCFG) = 0x02;
EPSON13806_REG(EPSON13806_MPCLKCFG) = 0x02;
EPSON13806_REG(EPSON13806_CPUMEMWAITSEL) = 0x01;
EPSON13806_REG(EPSON13806_MEMCFG) = 0x80;
EPSON13806_REG(EPSON13806_DRAMREFRESH) = 0x03;
EPSON13806_REG16(EPSON13806_DRAMTIMINGCTRL) = 0x0100;
// 5ms delay for internal LCD SDRAM to initialize
usleep(5000);
EPSON13806_REG(EPSON13806_PANELTYPE) = 0x25;
EPSON13806_REG(EPSON13806_MODRATE) = 0x00;
EPSON13806_REG(EPSON13806_LCDHDP) = 0x63;
EPSON13806_REG(EPSON13806_LCDHNDP) = 0x1f;
EPSON13806_REG(EPSON13806_TFTFPLINESTART) = 0x01;
EPSON13806_REG(EPSON13806_TFTFPLINEPULSE) = 0x0b;
EPSON13806_REG16(EPSON13806_LCDVDP0) = 0x0257;
EPSON13806_REG(EPSON13806_LCDVNDP) = 0x1b;
EPSON13806_REG(EPSON13806_TFTFPFRAMESTART) = 0x0a;
EPSON13806_REG(EPSON13806_TFTFPFRAMEPULSE) = 0x01;
EPSON13806_REG(EPSON13806_LCDDISPMODE) = 0x85;
EPSON13806_REG(EPSON13806_LCDMISC) = 0x00;
EPSON13806_REG16(EPSON13806_LCDSTART01) = 0x0000;
EPSON13806_REG(EPSON13806_LCDSTART2) = 0x00;
EPSON13806_REG16(EPSON13806_LCDSTRIDE) = byteStride>>1;
EPSON13806_REG(EPSON13806_LCDPIXELPAN) = 0x00;
EPSON13806_REG(EPSON13806_LCDFIFOHIGH) = 0x00;
EPSON13806_REG(EPSON13806_LCDFIFOLOW) = 0x00;
#endif
EPSON13806_REG(EPSON13806_BLTCTRL0) = 0x00;
EPSON13806_REG(EPSON13806_BLTCTRL1) = 0x01; // We're using 16 bpp
EPSON13806_REG16(EPSON13806_BLTSTRIDE) = byteStride>>1; // program BLIT memory offset
#if 0
EPSON13806_REG(EPSON13806_LUTMODE) = 0x00;
EPSON13806_REG(EPSON13806_LUTADDR) = 0x00;
EPSON13806_REG(EPSON13806_PWRSAVECFG) = 0x10;
EPSON13806_REG(EPSON13806_PWRSAVESTATUS) = 0x00;
EPSON13806_REG(EPSON13806_CPUMEMWATCHDOG) = 0x00;
EPSON13806_REG(EPSON13806_DISPMODE) = 0x01;
// Enable backlight voltage
EPSON13806_REG16(EPSON13806_GPIOCTRL) |= 1<<1;
// 10ms delay after turning on LCD.
usleep(10000);
#endif
// Instruct the BitBLT unit to fill the screen with black, i.e clear fb.
static int addr = 0x00000000;
EPSON13806_REG16(EPSON13806_BLTDSTSTART01) = addr;
EPSON13806_REG(EPSON13806_BLTDSTSTART2) = addr >> 16;
EPSON13806_REG16(EPSON13806_BLTFGCOLOR) = 0x0000;
EPSON13806_REG(EPSON13806_BLTOPERATION) = EPSON13806_BLTOPERATION_SOLIDFILL; // solid fill blt
EPSON13806_REG16(EPSON13806_BLTWIDTH) = (0x0320-1);
EPSON13806_REG16(EPSON13806_BLTHEIGHT) = (0x0258-1);
EPSON13806_REG(EPSON13806_BLTCTRL0) = EPSON13806_BLTCTRL0_ACTIVE;
#if 0
// Enable LCD data
EPSON13806_REG(EPSON13806_LCDDISPMODE) &= ~(1<<7);
// Turn on backlight full
EPSON13806_REG16(EPSON13806_GPIOCTRL) |= 0x00fc;
#endif
memset(&epsons->kaa, 0, sizeof(KaaScreenInfoRec));
epsons->kaa.waitMarker = epsonWaitMarker;
epsons->kaa.PrepareSolid = epsonPrepareSolid;
epsons->kaa.Solid = epsonSolid;
epsons->kaa.DoneSolid = epsonDoneSolid;
epsons->kaa.PrepareCopy = epsonPrepareCopy;
epsons->kaa.Copy = epsonCopy;
epsons->kaa.DoneCopy = epsonDoneCopy;
epsons->kaa.flags = KAA_OFFSCREEN_PIXMAPS;
if (!kaaDrawInit (pScreen, &epsons->kaa))
return FALSE;
EPSON_DEBUG (fprintf(stderr,"-epsonDrawInit\n"));
return TRUE;
}
/*
* epsonDrawEnable
*
* Description: Enables hardware acceleration
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
void
epsonDrawEnable (ScreenPtr pScreen)
{
EPSON_DEBUG (fprintf(stderr,"+epsonDrawEnable\n"));
epsonWaitForHwBltDone ();
kaaMarkSync (pScreen);
EPSON_DEBUG (fprintf(stderr,"-epsonDrawEnable\n"));
}
/*
* epsonDrawDisable
*
* Description: Disables hardware acceleration
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
void
epsonDrawDisable (ScreenPtr pScreen)
{
EPSON_DEBUG (fprintf(stderr,"+epsonDrawDisable\n"));
}
/*
* epsonDrawFini
*
* Description: Finish hardware acceleration
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
void
epsonDrawFini (ScreenPtr pScreen)
{
EPSON_DEBUG (fprintf(stderr,"+epsonDrawFini\n"));
}
/*
* initEpson13806
*
* Description: Maps Epson S1D13806 registers
*
* History:
* 11-Feb-04 C.Stylianou NBL: Created.
*
*/
void
initEpson13806(void)
{
EPSON_DEBUG (fprintf(stderr,"+initEpson\n"));
// Map Epson S1D13806 registers
regbase = KdMapDevice (EPSON13806_PHYSICAL_REG_ADDR, EPSON13806_GPIO_REGSIZE);
if (!regbase)
perror("ERROR: regbase\n"); // Sets up register mappings in header files.
#if 0
CARD8 rev_code;
rev_code = EPSON13806_REG (EPSON13806_REVCODE);
if ((rev_code >> 2) != 0x07)
perror("ERROR: EPSON13806 Display Controller NOT FOUND!\n");
#endif
EPSON_DEBUG (fprintf(stderr,"-initEpson\n"));
}
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