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/*
Copyright (c) 2003 Andreas Robinson, All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
*/
#include <config.h>
#include <sys/io.h>
#include "unichrome.h"
#include "uc_overlay.h"
#include "vidregs.h"
#include "mmio.h"
#include <direct/messages.h>
#include <core/system.h>
/**
* Set up the extended video FIFO.
* @note It will be turned on if ucovl->scrwidth > 1024.
*/
void uc_ovl_setup_fifo(UcOverlayData* ucovl, int scrwidth)
{
u8* mclk_save = ucovl->mclk_save;
if (!iopl(3)) {
if (scrwidth <= 1024) { // Disable
if (ucovl->extfifo_on) {
dfb_layer_wait_vsync(dfb_layer_at(DLID_PRIMARY));
outb(0x16, 0x3c4); outb(mclk_save[0], 0x3c5);
outb(0x17, 0x3c4); outb(mclk_save[1], 0x3c5);
outb(0x18, 0x3c4); outb(mclk_save[2], 0x3c5);
ucovl->extfifo_on = false;
}
}
else { // Enable
if (!ucovl->extfifo_on) {
dfb_layer_wait_vsync(dfb_layer_at(DLID_PRIMARY));
// Save current setting
outb(0x16, 0x3c4); mclk_save[0] = inb(0x3c5);
outb(0x17, 0x3c4); mclk_save[1] = inb(0x3c5);
outb(0x18, 0x3c4); mclk_save[2] = inb(0x3c5);
// Enable extended FIFO
outb(0x17, 0x3c4); outb(0x2f, 0x3c5);
outb(0x16, 0x3c4); outb((mclk_save[0] & 0xf0) | 0x14, 0x3c5);
outb(0x18, 0x3c4); outb(0x56, 0x3c5);
ucovl->extfifo_on = true;
}
}
}
else {
D_BUG( "Unichrome: could set io perissons\n" );
}
ucovl->scrwidth = scrwidth;
}
void uc_ovl_vcmd_wait(volatile u8* vio)
{
while ((VIDEO_IN(vio, V_COMPOSE_MODE)
& (V1_COMMAND_FIRE | V3_COMMAND_FIRE)));
}
/**
* Update the video overlay.
*
* @param action = UC_OVL_CHANGE: update everything
* = UC_OVL_FLIP: only flip to the front surface buffer.
* @param surface source surface
*
* @note: Derived from ddmpeg.c, Upd_Video()
*/
DFBResult uc_ovl_update(UcDriverData* ucdrv,
UcOverlayData* ucovl,
int action,
CoreSurface* surface,
CoreSurfaceBufferLock* lock)
{
int sw, sh, sp, sfmt; // Source width, height, pitch and format
int dx, dy; // Destination position
int dw, dh; // Destination width and height
int pfetch; // Source pixels required for one line
VideoMode *videomode;
DFBRectangle scr; // Screen size
u32 dst_key = 0; // Destination color key (hw format)
bool write_buffers = false;
bool write_settings = false;
volatile u8* vio = ucdrv->hwregs;
u32 win_start, win_end; // Overlay register settings
u32 zoom, mini;
u32 dcount, falign, qwfetch;
u32 y_start, u_start, v_start;
u32 v_ctrl, fifo_ctrl;
u32 alpha = 0;
int offset = lock->offset;
if (!ucovl->v1.isenabled) return DFB_OK;
qwfetch = 0;
// Get screen size
videomode = dfb_system_current_mode();
scr.w = videomode ? videomode->xres : 720;
scr.h = videomode ? videomode->yres : 576;
scr.x = 0;
scr.y = 0;
if (ucovl->scrwidth != scr.w) {
// FIXME: fix uc_ovl_setup_fifo()
// uc_ovl_setup_fifo(ucovl, scr.w);
action |= UC_OVL_CHANGE;
}
D_ASSERT(surface);
sw = surface->config.size.w;
sh = surface->config.size.h;
sp = lock->pitch;
sfmt = surface->config.format;
if (ucovl->deinterlace) {
/*if (ucovl->field)
offset += sp;*/
sh /= 2;
//sp *= 2;
}
if (action & UC_OVL_CHANGE) {
if ((sw > 4096) || (sh > 4096) ||
(sw < 32) || (sh < 1) || (sp > 0x1fff)) {
D_DEBUG("Layer surface size is out of bounds.");
return DFB_INVAREA;
}
dx = ucovl->v1.win.x;
dy = ucovl->v1.win.y;
dw = ucovl->v1.win.w;
dh = ucovl->v1.win.h;
// Get image format, FIFO size, etc.
uc_ovl_map_v1_control(sfmt, sw, ucovl->hwrev, ucovl->extfifo_on,
&v_ctrl, &fifo_ctrl);
if (ucovl->deinterlace) {
v_ctrl |= /*V1_BOB_ENABLE |*/ V1_FRAME_BASE;
}
// Get layer window.
// The parts that fall outside the screen are clipped.
uc_ovl_map_window(scr.w, scr.h, &(ucovl->v1.win), sw, sh,
&win_start, &win_end,
&ucovl->v1.ox, &ucovl->v1.oy, &pfetch);
// Get scaling and data-fetch parameters
// Note: the *_map_?zoom() functions return false if the scaling
// is out of bounds. We don't act on it for now, because it only
// makes the display look strange.
zoom = 0;
mini = 0;
uc_ovl_map_vzoom(sh, dh, &zoom, &mini);
uc_ovl_map_hzoom(sw, dw, &zoom, &mini, &falign, &dcount);
qwfetch = uc_ovl_map_qwfetch(falign, sfmt, pfetch);
// Prepare destination color key
dst_key = uc_ovl_map_colorkey(&(ucovl->v1.dst_key));
// prepare opacity
if (ucovl->v1.level > 0) // overlay
alpha = uc_ovl_map_alpha(ucovl->v1.opacity);
else
alpha = uc_ovl_map_alpha(ucovl->opacity_primary);
write_settings = true;
}
if (action & (UC_OVL_FIELD | UC_OVL_FLIP | UC_OVL_CHANGE)) {
int field = 0;
// Update the buffer pointers
if (ucovl->deinterlace) {
field = ucovl->field;
}
uc_ovl_map_buffer(sfmt, offset,
ucovl->v1.ox, ucovl->v1.oy, sw, surface->config.size.h, sp, 0/*field*/, &y_start,
&u_start, &v_start);
if (field) {
y_start |= 0x08000000;
}
write_buffers = true;
}
// Write to the hardware
/* if (write_settings || write_buffers)
uc_ovl_vcmd_wait(vio);*/
if (write_settings) {
VIDEO_OUT(vio, V1_CONTROL, v_ctrl);
VIDEO_OUT(vio, V_FIFO_CONTROL, fifo_ctrl);
VIDEO_OUT(vio, V1_WIN_START_Y, win_start);
VIDEO_OUT(vio, V1_WIN_END_Y, win_end);
VIDEO_OUT(vio, V1_SOURCE_HEIGHT, (sh << 16) | dcount);
VIDEO_OUT(vio, V12_QWORD_PER_LINE, qwfetch);
VIDEO_OUT(vio, V1_STRIDE, sp | ((sp >> 1) << 16));
VIDEO_OUT(vio, V1_MINI_CONTROL, mini);
VIDEO_OUT(vio, V1_ZOOM_CONTROL, zoom);
VIDEO_OUT(vio, V_COLOR_KEY, dst_key);
VIDEO_OUT(vio, V_ALPHA_CONTROL, alpha);
}
if (write_buffers) {
VIDEO_OUT(vio, V1_STARTADDR_0, y_start);
VIDEO_OUT(vio, V1_STARTADDR_CB0, u_start);
VIDEO_OUT(vio, V1_STARTADDR_CR0, v_start);
}
if (write_settings || write_buffers) {
VIDEO_OUT(vio, V_COMPOSE_MODE, V1_COMMAND_FIRE |
(ucovl->v1.dstkey_enabled ? ENABLE_COLOR_KEYING : 0));
}
return DFB_OK;
}
DFBResult uc_ovl_set_adjustment(CoreLayer *layer,
void *driver_data,
void *layer_data,
DFBColorAdjustment *adj)
{
UcOverlayData* ucovl = (UcOverlayData*) layer_data;
UcDriverData* ucdrv = (UcDriverData*) driver_data;
DFBColorAdjustment* ucadj;
u32 a1, a2;
ucadj = &ucovl->v1.adj;
if (adj->flags & DCAF_BRIGHTNESS)
ucadj->brightness = adj->brightness;
if (adj->flags & DCAF_CONTRAST)
ucadj->contrast = adj->contrast;
if (adj->flags & DCAF_HUE)
ucadj->hue = adj->hue;
if (adj->flags & DCAF_SATURATION)
ucadj->saturation = adj->saturation;
uc_ovl_map_adjustment(ucadj, &a1, &a2);
VIDEO_OUT(ucdrv->hwregs, V1_ColorSpaceReg_1, a1);
VIDEO_OUT(ucdrv->hwregs, V1_ColorSpaceReg_2, a2);
return DFB_OK;
}
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