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/*
* Copyright © 2009 Lars-Peter Clausen <lars@metafoo.de>
*
* 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 the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86i2c.h"
#include "xf86Crtc.h"
#include "fbdevhw.h"
#include <linux/fb.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#include "glamo.h"
#include "glamo-regs.h"
static void
GlamoCrtcDPMS(xf86CrtcPtr crtc, int mode);
static void
GlamoCrtcGammaSet(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green, CARD16 *blue,
int size);
static void
GlamoCrtcDestroy(xf86CrtcPtr crtc);
static Bool
GlamoSetModeMajor(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y);
static const xf86CrtcFuncsRec glamo_crtc_funcs = {
.dpms = GlamoCrtcDPMS,
.save = NULL,
.restore = NULL,
.lock = NULL,
.unlock = NULL,
.mode_fixup = NULL,
.prepare = NULL,
.mode_set = NULL,
.commit = NULL,
.gamma_set = GlamoCrtcGammaSet,
.shadow_allocate = NULL,
.shadow_create = NULL,
.shadow_destroy = NULL,
.set_cursor_colors = NULL,
.set_cursor_position = NULL,
.show_cursor = NULL,
.hide_cursor = NULL,
.load_cursor_image = NULL,
.load_cursor_argb = NULL,
.destroy = GlamoCrtcDestroy,
.set_mode_major = GlamoSetModeMajor
};
static void
ConvertModeXfreeToFb(DisplayModePtr mode, Rotation *rotation, struct fb_var_screeninfo *var) {
Rotation rot;
if (rotation)
rot = *rotation;
else
rot = RR_Rotate_0;
var->xres = mode->HDisplay;
var->yres = mode->VDisplay;
var->xres_virtual = mode->HDisplay;
var->yres_virtual = mode->VDisplay;
var->xoffset = 0;
var->yoffset = 0;
var->pixclock = mode->Clock ? 1000000000 / mode->Clock : 0;
var->left_margin = mode->HTotal - mode->HSyncEnd;
var->right_margin = mode->HSyncStart - mode->HDisplay;
var->hsync_len = mode->HSyncEnd - mode->HSyncStart;
var->upper_margin = mode->VTotal - mode->VSyncEnd;
var->lower_margin = mode->VSyncStart - mode->VDisplay;
var->vsync_len = mode->VSyncEnd - mode->VSyncStart;
var->sync = 0;
var->vmode = 0;
if (rot) {
switch (*rotation) {
case RR_Rotate_0:
var->rotate = FB_ROTATE_UR;
break;
case RR_Rotate_90:
var->rotate = FB_ROTATE_CW;
break;
case RR_Rotate_180:
var->rotate = FB_ROTATE_UD;
break;
case RR_Rotate_270:
var->rotate = FB_ROTATE_CCW;
break;
}
}
}
Bool
GlamoCrtcInit(ScrnInfoPtr pScrn) {
return xf86CrtcCreate(pScrn, &glamo_crtc_funcs) != NULL;
}
static void
GlamoCrtcDPMS(xf86CrtcPtr crtc, int mode) {
fbdevHWDPMSSet(crtc->scrn, mode, 0);
}
static void GlamoCrtcGammaSet(xf86CrtcPtr crtc, CARD16 *red, CARD16 *green,
CARD16 *blue, int size) {
}
static void GlamoCrtcDestroy(xf86CrtcPtr crtc) {
}
static Bool
GlamoSetModeMajor(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y) {
ScrnInfoPtr scrn = crtc->scrn;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
DisplayModeRec saved_mode;
int saved_x, saved_y;
Rotation saved_rotation;
GlamoPtr pGlamo = GlamoPTR(crtc->scrn);
Bool ret = FALSE;
int i;
struct fb_var_screeninfo var = pGlamo->fb_var;
crtc->enabled = xf86CrtcInUse (crtc);
if (!crtc->enabled)
return TRUE;
saved_mode = crtc->mode;
saved_x = crtc->x;
saved_y = crtc->y;
saved_rotation = crtc->rotation;
crtc->mode = *mode;
crtc->x = x;
crtc->y = y;
crtc->rotation = rotation;
crtc->funcs->dpms(crtc, DPMSModeOff);
for (i = 0; i < xf86_config->num_output; i++) {
xf86OutputPtr output = xf86_config->output[i];
if (output->crtc != crtc)
continue;
output->funcs->prepare(output);
}
ConvertModeXfreeToFb(mode, &rotation, &var);
/* FIXME: Shouldn't the kernel take care of this? */
if (rotation == RR_Rotate_90 || rotation == RR_Rotate_270) {
var.pixclock *= 2;
}
if (ioctl(pGlamo->fb_fd, FBIOPUT_VSCREENINFO, (void*)&var) != 0) {
goto done;
}
crtc->funcs->dpms (crtc, DPMSModeOn);
for (i = 0; i < xf86_config->num_output; i++)
{
xf86OutputPtr output = xf86_config->output[i];
if (output->crtc == crtc)
{
output->funcs->commit(output);
#ifdef RANDR_12_INTERFACE
if (output->randr_output)
RRPostPendingProperties (output->randr_output);
#endif
}
}
ret = TRUE;
if (scrn->pScreen)
xf86CrtcSetScreenSubpixelOrder (scrn->pScreen);
done:
if (!ret) {
crtc->x = saved_x;
crtc->y = saved_y;
crtc->rotation = saved_rotation;
crtc->mode = saved_mode;
}
return ret;
}
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