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/*
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "sna.h"
static bool add_fake_output(struct sna *sna, bool late);
static void
sna_crtc_dpms(xf86CrtcPtr crtc, int mode)
{
}
static char *outputs_for_crtc(xf86CrtcPtr crtc, char *outputs, int max)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
int len, i;
for (i = len = 0; i < config->num_output; i++) {
xf86OutputPtr output = config->output[i];
if (output->crtc != crtc)
continue;
len += snprintf(outputs+len, max-len, "%s, ", output->name);
}
assert(len >= 2);
outputs[len-2] = '\0';
return outputs;
}
static const char *rotation_to_str(Rotation rotation)
{
switch (rotation & RR_Rotate_All) {
case 0:
case RR_Rotate_0: return "normal";
case RR_Rotate_90: return "left";
case RR_Rotate_180: return "inverted";
case RR_Rotate_270: return "right";
default: return "unknown";
}
}
static const char *reflection_to_str(Rotation rotation)
{
switch (rotation & RR_Reflect_All) {
case 0: return "none";
case RR_Reflect_X: return "X axis";
case RR_Reflect_Y: return "Y axis";
case RR_Reflect_X | RR_Reflect_Y: return "X and Y axes";
default: return "invalid";
}
}
static Bool
sna_crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y)
{
char outputs[256];
xf86DrvMsg(crtc->scrn->scrnIndex, X_INFO,
"switch to mode %dx%d on %s, position (%d, %d), rotation %s, reflection %s\n",
mode->HDisplay, mode->VDisplay,
outputs_for_crtc(crtc, outputs, sizeof(outputs)),
x, y, rotation_to_str(rotation), reflection_to_str(rotation));
return TRUE;
}
static void
sna_crtc_destroy(xf86CrtcPtr crtc)
{
}
static const xf86CrtcFuncsRec sna_crtc_funcs = {
.dpms = sna_crtc_dpms,
.set_mode_major = sna_crtc_set_mode_major,
.destroy = sna_crtc_destroy,
};
static void
sna_output_create_resources(xf86OutputPtr output)
{
}
static Bool
sna_output_set_property(xf86OutputPtr output, Atom property,
RRPropertyValuePtr value)
{
return TRUE;
}
static Bool
sna_output_get_property(xf86OutputPtr output, Atom property)
{
return FALSE;
}
static void
sna_output_dpms(xf86OutputPtr output, int dpms)
{
}
static xf86OutputStatus
sna_output_detect(xf86OutputPtr output)
{
DBG(("%s(%s) has user modes? %d\n",
__FUNCTION__, output->name,
output->randr_output && output->randr_output->numUserModes));
if (output->randr_output && output->randr_output->numUserModes) {
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(output->scrn);
if (xf86_config->output[xf86_config->num_output-1] == output)
add_fake_output(to_sna(output->scrn), true);
return XF86OutputStatusConnected;
}
return XF86OutputStatusDisconnected;
}
static Bool
sna_output_mode_valid(xf86OutputPtr output, DisplayModePtr mode)
{
if (mode->type & M_T_DEFAULT)
return MODE_BAD;
return MODE_OK;
}
static DisplayModePtr
sna_output_get_modes(xf86OutputPtr output)
{
return NULL;
}
static void
sna_output_destroy(xf86OutputPtr output)
{
}
static const xf86OutputFuncsRec sna_output_funcs = {
.create_resources = sna_output_create_resources,
#ifdef RANDR_12_INTERFACE
.set_property = sna_output_set_property,
.get_property = sna_output_get_property,
#endif
.dpms = sna_output_dpms,
.detect = sna_output_detect,
.mode_valid = sna_output_mode_valid,
.get_modes = sna_output_get_modes,
.destroy = sna_output_destroy
};
static Bool
sna_mode_resize(ScrnInfoPtr scrn, int width, int height)
{
ScreenPtr screen = xf86ScrnToScreen(scrn);
PixmapPtr new_front;
DBG(("%s (%d, %d) -> (%d, %d)\n", __FUNCTION__,
scrn->virtualX, scrn->virtualY,
width, height));
if (scrn->virtualX == width && scrn->virtualY == height)
return TRUE;
assert(to_sna_from_screen(screen)->front);
assert(screen->GetScreenPixmap(screen) == to_sna_from_screen(screen)->front);
DBG(("%s: creating new framebuffer %dx%d\n",
__FUNCTION__, width, height));
new_front = screen->CreatePixmap(screen,
width, height, scrn->depth,
0);
if (!new_front)
return FALSE;
scrn->virtualX = width;
scrn->virtualY = height;
scrn->displayWidth = width;
screen->SetScreenPixmap(new_front);
assert(screen->GetScreenPixmap(screen) == new_front);
assert(to_sna_from_screen(screen)->front == new_front);
screen->DestroyPixmap(new_front);
return TRUE;
}
static const xf86CrtcConfigFuncsRec sna_mode_funcs = {
.resize = sna_mode_resize,
};
static bool add_fake_output(struct sna *sna, bool late)
{
ScrnInfoPtr scrn = sna->scrn;
xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(scrn);
xf86OutputPtr output;
xf86CrtcPtr crtc;
RROutputPtr clones[32];
RRCrtcPtr crtcs[32];
char buf[80];
int i, len;
if (sna->mode.num_fake >= 32)
return false;
DBG(("%s(late=%d, num_fake=%d)\n", __FUNCTION__, late, sna->mode.num_fake+1));
crtc = xf86CrtcCreate(scrn, &sna_crtc_funcs);
if (crtc == NULL)
return false;
len = sprintf(buf, "VIRTUAL%d", sna->mode.num_fake+1);
output = xf86OutputCreate(scrn, &sna_output_funcs, buf);
if (!output) {
xf86CrtcDestroy(crtc);
return false;
}
output->mm_width = 0;
output->mm_height = 0;
output->interlaceAllowed = FALSE;
output->subpixel_order = SubPixelNone;
output->status = XF86OutputStatusDisconnected;
output->possible_crtcs = ~((1 << sna->mode.num_real_crtc) - 1);
output->possible_clones = ~((1 << sna->mode.num_real_output) - 1);
if (late) {
ScreenPtr screen = xf86ScrnToScreen(scrn);
crtc->randr_crtc = RRCrtcCreate(screen, crtc);
output->randr_output = RROutputCreate(screen, buf, len, output);
if (crtc->randr_crtc == NULL || output->randr_output == NULL) {
xf86OutputDestroy(output);
xf86CrtcDestroy(crtc);
return false;
}
RRPostPendingProperties(output->randr_output);
for (i = sna->mode.num_real_output; i < xf86_config->num_output; i++)
clones[i - sna->mode.num_real_output] = xf86_config->output[i]->randr_output;
assert(i - sna->mode.num_real_output == sna->mode.num_fake + 1);
for (i = sna->mode.num_real_crtc; i < xf86_config->num_crtc; i++)
crtcs[i - sna->mode.num_real_crtc] = xf86_config->crtc[i]->randr_crtc;
assert(i - sna->mode.num_real_crtc == sna->mode.num_fake + 1);
for (i = sna->mode.num_real_output; i < xf86_config->num_output; i++) {
RROutputPtr rr_output = xf86_config->output[i]->randr_output;
if (!RROutputSetCrtcs(rr_output, crtcs, sna->mode.num_fake + 1) ||
!RROutputSetClones(rr_output, clones, sna->mode.num_fake + 1))
goto err;
}
RRCrtcSetRotations(crtc->randr_crtc,
RR_Rotate_All | RR_Reflect_All);
if (!RRCrtcGammaSetSize(crtc->randr_crtc, 256))
goto err;
}
sna->mode.num_fake++;
xf86DrvMsg(scrn->scrnIndex, X_INFO,
"Enabled output %s\n",
output->name);
return true;
err:
for (i = 0; i < xf86_config->num_output; i++) {
output = xf86_config->output[i];
if (output->driver_private)
continue;
xf86OutputDestroy(output);
i--;
}
for (i = 0; i < xf86_config->num_crtc; i++) {
crtc = xf86_config->crtc[i];
if (crtc->driver_private)
continue;
xf86CrtcDestroy(crtc);
i--;
}
sna->mode.num_fake = -1;
return false;
}
bool sna_mode_fake_init(struct sna *sna, int num_fake)
{
bool ret;
if (num_fake == 0)
return true;
if (sna->mode.num_real_crtc == 0) {
xf86CrtcConfigInit(sna->scrn, &sna_mode_funcs);
xf86CrtcSetSizeRange(sna->scrn, 1, 1, INT16_MAX, INT16_MAX);
}
ret = true;
while (ret && num_fake--)
ret = add_fake_output(sna, false);
return ret;
}
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