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use proper eink update function for KT

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This commit is contained in:
Qingping Hou
2012-12-10 19:54:44 -05:00
parent 1b7357fc0f
commit 334f680598
1 changed files with 137 additions and 132 deletions
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269
einkfb.c
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@@ -19,13 +19,130 @@
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <fcntl.h>
//#include <stdio.h>
#include <stdlib.h>
#include "einkfb.h"
#ifdef EMULATE_READER
int emu_w = EMULATE_READER_W;
int emu_h = EMULATE_READER_H;
int emu_w = EMULATE_READER_W;
int emu_h = EMULATE_READER_H;
#else
static void (*einkUpdateFunc)(FBInfo *fb, lua_State *L) = NULL;
inline void fbInvert4BppTo8Bpp(FBInfo *fb) {
int i = 0, j = 0, h = 0, w = 0, pitch = 0, fb_pitch = 0;
uint8_t *shadow_buf = NULL, *fb_buf = NULL;
shadow_buf = fb->buf->data;
fb_buf = fb->real_buf->data;
h = fb->buf->h;
w = fb->buf->w;
pitch = fb->buf->pitch;
fb_pitch = fb->real_buf->pitch;
/* copy bitmap from 4bpp shadow blitbuffer to framebuffer */
for (i = (h-1); i > 0; i--) {
for (j = (w-1)/2; j > 0; j--) {
fb_buf[i*fb_pitch + j*2] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2] &= 0xF0;
fb_buf[i*fb_pitch + j*2] |= shadow_buf[i*pitch + j]>>4 & 0x0F;
fb_buf[i*fb_pitch + j*2 + 1] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2 + 1] &= 0x0F;
fb_buf[i*fb_pitch + j*2 + 1] |= shadow_buf[i*pitch + j]<<4 & 0xF0;
}
}
}
inline void fb4BppTo8Bpp(FBInfo *fb) {
int i = 0, j = 0, h = 0, w = 0, pitch = 0, fb_pitch = 0;
uint8_t *shadow_buf = NULL, *fb_buf = NULL;
shadow_buf = fb->buf->data;
fb_buf = fb->real_buf->data;
/* h is 1024 for PaperWhite */
h = fb->buf->h;
/* w is 758 for PaperWhite */
w = fb->buf->w;
/* pitch is 384 for shadow buffer */
pitch = fb->buf->pitch;
/* pitch is 768 for PaperWhite */
fb_pitch = fb->real_buf->pitch;
/* copy bitmap from 4bpp shadow blitbuffer to framebuffer */
for (i = (h-1); i > 0; i--) {
for (j = (w-1)/2; j > 0; j--) {
fb_buf[i*fb_pitch + j*2] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2] &= 0xF0;
fb_buf[i*fb_pitch + j*2] |= shadow_buf[i*pitch + j]>>4 & 0x0F;
fb_buf[i*fb_pitch + j*2] = ~fb_buf[i*fb_pitch + j*2];
fb_buf[i*fb_pitch + j*2 + 1] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2 + 1] &= 0x0F;
fb_buf[i*fb_pitch + j*2 + 1] |= shadow_buf[i*pitch + j]<<4 & 0xF0;
fb_buf[i*fb_pitch + j*2 + 1] = ~fb_buf[i*fb_pitch + j*2 + 1];
}
}
}
inline void fillUpdateAreaT(update_area_t *myarea, FBInfo *fb, lua_State *L) {
int fxtype = luaL_optint(L, 2, 0);
myarea->x1 = luaL_optint(L, 3, 0);
myarea->y1 = luaL_optint(L, 4, 0);
myarea->x2 = myarea->x1 + luaL_optint(L, 5, fb->vinfo.xres);
myarea->y2 = myarea->y1 + luaL_optint(L, 6, fb->vinfo.yres);
myarea->buffer = NULL;
myarea->which_fx = fxtype ? fx_update_partial : fx_update_full;
}
inline void fillMxcfbUpdateData51(mxcfb_update_data51 *myarea, FBInfo *fb, lua_State *L) {
myarea->update_region.top = luaL_optint(L, 3, 0);
myarea->update_region.left = luaL_optint(L, 4, 0);
myarea->update_region.width = luaL_optint(L, 5, fb->vinfo.xres);
myarea->update_region.height = luaL_optint(L, 6, fb->vinfo.yres);
myarea->waveform_mode = 257;
myarea->update_mode = 0;
myarea->update_marker = 1;
myarea->hist_bw_waveform_mode = 0;
myarea->hist_gray_waveform_mode = 0;
myarea->temp = 0x1001;
myarea->flags = 0;
myarea->alt_buffer_data.virt_addr = NULL;
myarea->alt_buffer_data.phys_addr = NULL;
myarea->alt_buffer_data.width = 0;
myarea->alt_buffer_data.height = 0;
myarea->alt_buffer_data.alt_update_region.top = 0;
myarea->alt_buffer_data.alt_update_region.left = 0;
myarea->alt_buffer_data.alt_update_region.width = 0;
myarea->alt_buffer_data.alt_update_region.height = 0;
}
void kindle3einkUpdate(FBInfo *fb, lua_State *L) {
update_area_t myarea;
fillUpdateAreaT(&myarea, fb, L);
ioctl(fb->fd, FBIO_EINK_UPDATE_DISPLAY_AREA, &myarea);
}
void kindle4einkUpdate(FBInfo *fb, lua_State *L) {
update_area_t myarea;
fbInvert4BppTo8Bpp(fb);
fillUpdateAreaT(&myarea, fb, L);
ioctl(fb->fd, FBIO_EINK_UPDATE_DISPLAY_AREA, &myarea);
}
void kindle51einkUpdate(FBInfo *fb, lua_State *L) {
mxcfb_update_data51 myarea;
fb4BppTo8Bpp(fb);
fillMxcfbUpdateData51(&myarea, fb, L);
ioctl(fb->fd, 0x4048462e, &myarea);
}
#endif
static int openFrameBuffer(lua_State *L) {
@@ -65,6 +182,22 @@ static int openFrameBuffer(lua_State *L) {
fb->finfo.type);
}
if (strncmp(fb->finfo.id, "mxc_epdc_fb", 11) == 0) {
/* Kindle PaperWhite and KT with 5.1 or later firmware */
einkUpdateFunc = &kindle51einkUpdate;
} else if (strncmp(fb->finfo.id, "eink_fb", 7) == 0) {
if (fb->vinfo.bits_per_pixel == 8) {
/* kindle4 */
einkUpdateFunc = &kindle4einkUpdate;
} else {
/* kindle2, 3, DXG */
einkUpdateFunc = &kindle3einkUpdate;
}
} else {
return luaL_error(L, "eink model %s not supported",
fb->finfo.id);
}
if (ioctl(fb->fd, FBIOGET_VSCREENINFO, &fb->vinfo)) {
return luaL_error(L, "cannot get variable screen info");
}
@@ -167,139 +300,11 @@ static int closeFrameBuffer(lua_State *L) {
return 0;
}
#ifndef EMULATE_READER
inline void fbInvert4BppTo8Bpp(FBInfo *fb) {
int i = 0, j = 0, h = 0, w = 0, pitch = 0, fb_pitch = 0;
uint8_t *shadow_buf = NULL, *fb_buf = NULL;
shadow_buf = fb->buf->data;
fb_buf = fb->real_buf->data;
h = fb->buf->h;
w = fb->buf->w;
pitch = fb->buf->pitch;
fb_pitch = fb->real_buf->pitch;
/* copy bitmap from 4bpp shadow blitbuffer to framebuffer */
for (i = (h-1); i > 0; i--) {
for (j = (w-1)/2; j > 0; j--) {
fb_buf[i*fb_pitch + j*2] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2] &= 0xF0;
fb_buf[i*fb_pitch + j*2] |= shadow_buf[i*pitch + j]>>4 & 0x0F;
fb_buf[i*fb_pitch + j*2 + 1] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2 + 1] &= 0x0F;
fb_buf[i*fb_pitch + j*2 + 1] |= shadow_buf[i*pitch + j]<<4 & 0xF0;
}
}
}
inline void fb4BppTo8Bpp(FBInfo *fb) {
int i = 0, j = 0, h = 0, w = 0, pitch = 0, fb_pitch = 0;
uint8_t *shadow_buf = NULL, *fb_buf = NULL;
shadow_buf = fb->buf->data;
fb_buf = fb->real_buf->data;
/* h is 1024 for PaperWhite */
h = fb->buf->h;
/* w is 758 for PaperWhite */
w = fb->buf->w;
/* pitch is 384 for shadow buffer */
pitch = fb->buf->pitch;
/* pitch is 768 for PaperWhite */
fb_pitch = fb->real_buf->pitch;
/* copy bitmap from 4bpp shadow blitbuffer to framebuffer */
for (i = (h-1); i > 0; i--) {
for (j = (w-1)/2; j > 0; j--) {
fb_buf[i*fb_pitch + j*2] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2] &= 0xF0;
fb_buf[i*fb_pitch + j*2] |= shadow_buf[i*pitch + j]>>4 & 0x0F;
fb_buf[i*fb_pitch + j*2] = ~fb_buf[i*fb_pitch + j*2];
fb_buf[i*fb_pitch + j*2 + 1] = shadow_buf[i*pitch + j];
fb_buf[i*fb_pitch + j*2 + 1] &= 0x0F;
fb_buf[i*fb_pitch + j*2 + 1] |= shadow_buf[i*pitch + j]<<4 & 0xF0;
fb_buf[i*fb_pitch + j*2 + 1] = ~fb_buf[i*fb_pitch + j*2 + 1];
}
}
}
inline void fillUpdateAreaT(update_area_t *myarea, FBInfo *fb, lua_State *L) {
int fxtype = luaL_optint(L, 2, 0);
myarea->x1 = luaL_optint(L, 3, 0);
myarea->y1 = luaL_optint(L, 4, 0);
myarea->x2 = myarea->x1 + luaL_optint(L, 5, fb->vinfo.xres);
myarea->y2 = myarea->y1 + luaL_optint(L, 6, fb->vinfo.yres);
myarea->buffer = NULL;
myarea->which_fx = fxtype ? fx_update_partial : fx_update_full;
}
inline void fillMxcfbUpdateData51(mxcfb_update_data51 *myarea, FBInfo *fb, lua_State *L) {
myarea->update_region.top = luaL_optint(L, 3, 0);
myarea->update_region.left = luaL_optint(L, 4, 0);
myarea->update_region.width = luaL_optint(L, 5, fb->vinfo.xres);
myarea->update_region.height = luaL_optint(L, 6, fb->vinfo.yres);
myarea->waveform_mode = 257;
myarea->update_mode = 0;
myarea->update_marker = 1;
myarea->hist_bw_waveform_mode = 0;
myarea->hist_gray_waveform_mode = 0;
myarea->temp = 0x1001;
myarea->flags = 0;
myarea->alt_buffer_data.virt_addr = NULL;
myarea->alt_buffer_data.phys_addr = NULL;
myarea->alt_buffer_data.width = 0;
myarea->alt_buffer_data.height = 0;
myarea->alt_buffer_data.alt_update_region.top = 0;
myarea->alt_buffer_data.alt_update_region.left = 0;
myarea->alt_buffer_data.alt_update_region.width = 0;
myarea->alt_buffer_data.alt_update_region.height = 0;
}
inline void Kindle3einkUpdate(FBInfo *fb, lua_State *L) {
update_area_t myarea;
fillUpdateAreaT(&myarea, fb, L);
ioctl(fb->fd, FBIO_EINK_UPDATE_DISPLAY_AREA, &myarea);
}
inline void kindle4einkUpdate(FBInfo *fb, lua_State *L) {
update_area_t myarea;
fbInvert4BppTo8Bpp(fb);
fillUpdateAreaT(&myarea, fb, L);
ioctl(fb->fd, FBIO_EINK_UPDATE_DISPLAY_AREA, &myarea);
}
inline void kindlePWeinkUpdate(FBInfo *fb, lua_State *L) {
mxcfb_update_data51 myarea;
fb4BppTo8Bpp(fb);
fillMxcfbUpdateData51(&myarea, fb, L);
ioctl(fb->fd, 0x4048462e, &myarea);
}
#endif
static int einkUpdate(lua_State *L) {
FBInfo *fb = (FBInfo*) luaL_checkudata(L, 1, "einkfb");
// for Kindle e-ink display
#ifndef EMULATE_READER
if (fb->vinfo.bits_per_pixel == 8) {
if (fb->buf->h == 1024) {
/* Kindle PaperWhite */
kindlePWeinkUpdate(fb, L);
} else {
/* kindle4 */
kindle4einkUpdate(fb, L);
}
} else {
/* kindle2, 3, DXG */
Kindle3einkUpdate(fb, L);
}
einkUpdateFunc(fb, L);
#else
int fxtype = luaL_optint(L, 2, 0);
// for now, we only do fullscreen blits in emulation mode