static DisplayModePtr fbdev_lcd_output_get_modes(xf86OutputPtr output)
{
MaliPtr fPtr = MALIPTR(output->scrn);
DisplayModePtr mode_ptr;
unsigned int hactive_s = fPtr->fb_lcd_var.xres;
unsigned int vactive_s = fPtr->fb_lcd_var.yres;
mode_ptr = xnfcalloc(1, sizeof(DisplayModeRec));
mode_ptr->HDisplay = hactive_s;
mode_ptr->HSyncStart = hactive_s + 20;
mode_ptr->HSyncEnd = hactive_s + 40;
mode_ptr->HTotal = hactive_s + 80;
mode_ptr->VDisplay = vactive_s;
mode_ptr->VSyncStart = vactive_s + 20;
mode_ptr->VSyncEnd = vactive_s + 40;
mode_ptr->VTotal = vactive_s + 80;
mode_ptr->VRefresh = 60.0;
mode_ptr->Clock = (int) (mode_ptr->VRefresh * mode_ptr->VTotal * mode_ptr->HTotal / 1000.0);
mode_ptr->type = M_T_DRIVER;
xf86SetModeDefaultName(mode_ptr);
mode_ptr->next = NULL;
mode_ptr->prev = NULL;
return mode_ptr;
}
static DisplayModePtr
screen_create_mode (ScrnInfoPtr pScrn, int width, int height, int type)
{
DisplayModePtr mode;
mode = xnfcalloc (1, sizeof (DisplayModeRec));
mode->status = MODE_OK;
mode->type = type;
mode->HDisplay = width;
mode->HSyncStart = (width * 105 / 100 + 7) & ~7;
mode->HSyncEnd = (width * 115 / 100 + 7) & ~7;
mode->HTotal = (width * 130 / 100 + 7) & ~7;
mode->VDisplay = height;
mode->VSyncStart = height + 1;
mode->VSyncEnd = height + 4;
mode->VTotal = height * 1035 / 1000;
mode->Clock = mode->HTotal * mode->VTotal * 60 / 1000;
mode->Flags = V_NHSYNC | V_PVSYNC;
xf86SetModeDefaultName (mode);
xf86SetModeCrtc (mode, pScrn->adjustFlags); /* needed? xf86-video-modesetting does this */
return mode;
}
static Bool
crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
modesettingPtr ms = modesettingPTR(crtc->scrn);
xf86OutputPtr output = NULL;
struct crtc_private *crtcp = crtc->driver_private;
drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
drmModeModeInfo drm_mode;
int i, ret;
unsigned int connector_id;
for (i = 0; i < config->num_output; output = NULL, i++) {
output = config->output[i];
if (output->crtc == crtc)
break;
}
if (!output)
return FALSE;
connector_id = xorg_output_get_id(output);
drm_mode.clock = mode->Clock;
drm_mode.hdisplay = mode->HDisplay;
drm_mode.hsync_start = mode->HSyncStart;
drm_mode.hsync_end = mode->HSyncEnd;
drm_mode.htotal = mode->HTotal;
drm_mode.vdisplay = mode->VDisplay;
drm_mode.vsync_start = mode->VSyncStart;
drm_mode.vsync_end = mode->VSyncEnd;
drm_mode.vtotal = mode->VTotal;
drm_mode.flags = mode->Flags;
drm_mode.hskew = mode->HSkew;
drm_mode.vscan = mode->VScan;
drm_mode.vrefresh = mode->VRefresh;
if (!mode->name)
xf86SetModeDefaultName(mode);
strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN - 1);
drm_mode.name[DRM_DISPLAY_MODE_LEN - 1] = '\0';
ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
&connector_id, 1, &drm_mode);
if (ret)
return FALSE;
crtc->x = x;
crtc->y = y;
crtc->mode = *mode;
crtc->rotation = rotation;
return TRUE;
}
static DisplayModePtr
output_get_modes(xf86OutputPtr output)
{
drmModeConnectorPtr drm_connector = output->driver_private;
drmModeModeInfoPtr drm_mode = NULL;
DisplayModePtr modes = NULL, mode = NULL;
int i;
for (i = 0; i < drm_connector->count_modes; i++) {
drm_mode = &drm_connector->modes[i];
if (drm_mode) {
mode = xcalloc(1, sizeof(DisplayModeRec));
if (!mode)
continue;
mode->Clock = drm_mode->clock;
mode->HDisplay = drm_mode->hdisplay;
mode->HSyncStart = drm_mode->hsync_start;
mode->HSyncEnd = drm_mode->hsync_end;
mode->HTotal = drm_mode->htotal;
mode->VDisplay = drm_mode->vdisplay;
mode->VSyncStart = drm_mode->vsync_start;
mode->VSyncEnd = drm_mode->vsync_end;
mode->VTotal = drm_mode->vtotal;
mode->Flags = drm_mode->flags;
mode->HSkew = drm_mode->hskew;
mode->VScan = drm_mode->vscan;
mode->VRefresh = xf86ModeVRefresh(mode);
mode->Private = (void *)drm_mode;
mode->type = 0;
if (drm_mode->type & DRM_MODE_TYPE_PREFERRED)
mode->type |= M_T_PREFERRED;
if (drm_mode->type & DRM_MODE_TYPE_DRIVER)
mode->type |= M_T_DRIVER;
xf86SetModeDefaultName(mode);
modes = xf86ModesAdd(modes, mode);
xf86PrintModeline(0, mode);
}
}
return modes;
}
static DisplayModePtr
ReadLVDSNativeMode(G80Ptr pNv, const int off)
{
DisplayModePtr mode = xnfcalloc(1, sizeof(DisplayModeRec));
const CARD32 size = pNv->reg[(0x00610B4C+off)/4];
const int width = size & 0x3fff;
const int height = (size >> 16) & 0x3fff;
mode->HDisplay = mode->CrtcHDisplay = width;
mode->VDisplay = mode->CrtcVDisplay = height;
mode->Clock = pNv->reg[(0x610AD4+off)/4] & 0x3fffff;
mode->CrtcHBlankStart = pNv->reg[(0x610AFC+off)/4];
mode->CrtcHSyncEnd = pNv->reg[(0x610B04+off)/4];
mode->CrtcHBlankEnd = pNv->reg[(0x610AE8+off)/4];
mode->CrtcHTotal = pNv->reg[(0x610AF4+off)/4];
mode->next = mode->prev = NULL;
mode->status = MODE_OK;
mode->type = M_T_DRIVER | M_T_PREFERRED;
xf86SetModeDefaultName(mode);
return mode;
}
static DisplayModePtr
output_get_modes(xf86OutputPtr output)
{
struct output_private *priv = output->driver_private;
drmModeConnectorPtr drm_connector = priv->drm_connector;
drmModeModeInfoPtr drm_mode = NULL;
drmModePropertyPtr props = NULL;
xf86MonPtr ddc_mon = NULL;
DisplayModePtr modes = NULL, mode = NULL;
int i;
for (i = 0; i < drm_connector->count_props; i++) {
props = drmModeGetProperty(priv->fd, drm_connector->props[i]);
if (!props)
continue;
if (!(props->flags & DRM_MODE_PROP_BLOB))
goto out_free;
if (!strcmp(props->name, "EDID")) {
if (priv->edid_blob)
drmModeFreePropertyBlob(priv->edid_blob);
priv->edid_blob = drmModeGetPropertyBlob(priv->fd,
drm_connector->prop_values[i]);
}
out_free:
drmModeFreeProperty(props);
}
if (priv->edid_blob) {
ddc_mon = xf86InterpretEDID(output->scrn->scrnIndex,
priv->edid_blob->data);
if (ddc_mon && priv->edid_blob->length > 128)
ddc_mon->flags |= MONITOR_EDID_COMPLETE_RAWDATA;
}
xf86OutputSetEDID(output, ddc_mon);
for (i = 0; i < drm_connector->count_modes; i++) {
drm_mode = &drm_connector->modes[i];
if (drm_mode) {
mode = calloc(1, sizeof(DisplayModeRec));
if (!mode)
continue;
mode->Clock = drm_mode->clock;
mode->HDisplay = drm_mode->hdisplay;
mode->HSyncStart = drm_mode->hsync_start;
mode->HSyncEnd = drm_mode->hsync_end;
mode->HTotal = drm_mode->htotal;
mode->VDisplay = drm_mode->vdisplay;
mode->VSyncStart = drm_mode->vsync_start;
mode->VSyncEnd = drm_mode->vsync_end;
mode->VTotal = drm_mode->vtotal;
mode->Flags = drm_mode->flags;
mode->HSkew = drm_mode->hskew;
mode->VScan = drm_mode->vscan;
mode->VRefresh = xf86ModeVRefresh(mode);
mode->Private = (void *)drm_mode;
mode->type = 0;
if (drm_mode->type & DRM_MODE_TYPE_PREFERRED)
mode->type |= M_T_PREFERRED;
if (drm_mode->type & DRM_MODE_TYPE_DRIVER)
mode->type |= M_T_DRIVER;
xf86SetModeDefaultName(mode);
modes = xf86ModesAdd(modes, mode);
xf86PrintModeline(0, mode);
}
}
return modes;
}
static Bool
crtc_set_mode_major(xf86CrtcPtr crtc, DisplayModePtr mode,
Rotation rotation, int x, int y)
{
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
modesettingPtr ms = modesettingPTR(crtc->scrn);
ScreenPtr pScreen = crtc->scrn->pScreen;
xf86OutputPtr output = NULL;
struct crtc_private *crtcp = crtc->driver_private;
drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
drmModeModeInfo drm_mode;
int i, ret;
unsigned int connector_id;
PixmapPtr pixmap;
for (i = 0; i < config->num_output; output = NULL, i++) {
output = config->output[i];
if (output->crtc == crtc)
break;
}
if (!output) {
LogMessage(X_ERROR, "No output for this crtc.\n");
return FALSE;
}
connector_id = xorg_output_get_id(output);
drm_mode.clock = mode->Clock;
drm_mode.hdisplay = mode->HDisplay;
drm_mode.hsync_start = mode->HSyncStart;
drm_mode.hsync_end = mode->HSyncEnd;
drm_mode.htotal = mode->HTotal;
drm_mode.vdisplay = mode->VDisplay;
drm_mode.vsync_start = mode->VSyncStart;
drm_mode.vsync_end = mode->VSyncEnd;
drm_mode.vtotal = mode->VTotal;
drm_mode.flags = mode->Flags;
drm_mode.hskew = mode->HSkew;
drm_mode.vscan = mode->VScan;
drm_mode.vrefresh = mode->VRefresh;
if (!mode->name)
xf86SetModeDefaultName(mode);
strncpy(drm_mode.name, mode->name, DRM_DISPLAY_MODE_LEN - 1);
drm_mode.name[DRM_DISPLAY_MODE_LEN - 1] = '\0';
/*
* Check if we need to scanout from something else than the root
* pixmap. In that case, xf86CrtcRotate will take care of allocating
* new opaque scanout buffer data "crtc->rotatedData".
* However, it will not wrap
* that data into pixmaps until the first rotated damage composite.
* In out case, the buffer data is actually already a pixmap.
*/
if (!xf86CrtcRotate(crtc))
return FALSE;
if (crtc->transform_in_use && crtc->rotatedData) {
x = 0;
y = 0;
pixmap = (PixmapPtr) crtc->rotatedData;
} else
pixmap = pScreen->GetScreenPixmap(pScreen);
if (crtcp->entry.pixmap != pixmap) {
if (crtcp->entry.pixmap)
vmwgfx_scanout_unref(&crtcp->entry);
crtcp->entry.pixmap = pixmap;
crtcp->scanout_id = vmwgfx_scanout_ref(&crtcp->entry);
if (crtcp->scanout_id == -1) {
LogMessage(X_ERROR, "Failed to convert pixmap to scanout.\n");
return FALSE;
}
}
ret = drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, crtcp->scanout_id, x, y,
&connector_id, 1, &drm_mode);
if (ret)
return FALSE;
vmwgfx_scanout_refresh(pixmap);
/* Only set gamma when needed, to avoid unneeded delays. */
#if defined(XF86_CRTC_VERSION) && XF86_CRTC_VERSION >= 3
if (!crtc->active && crtc->version >= 3)
crtc->funcs->gamma_set(crtc, crtc->gamma_red, crtc->gamma_green,
crtc->gamma_blue, crtc->gamma_size);
crtc->active = TRUE;
#endif
return TRUE;
}
DisplayModePtr
xf86GTFMode(int h_pixels, int v_lines, float freq, int interlaced, int margins)
{
DisplayModeRec *mode = xnfcalloc(1, sizeof(DisplayModeRec));
float h_pixels_rnd;
float v_lines_rnd;
float v_field_rate_rqd;
float top_margin;
float bottom_margin;
float interlace;
float h_period_est;
float vsync_plus_bp;
float v_back_porch;
float total_v_lines;
float v_field_rate_est;
float h_period;
float v_field_rate;
float v_frame_rate;
float left_margin;
float right_margin;
float total_active_pixels;
float ideal_duty_cycle;
float h_blank;
float total_pixels;
float pixel_freq;
float h_freq;
float h_sync;
float h_front_porch;
float v_odd_front_porch_lines;
/* 1. In order to give correct results, the number of horizontal
* pixels requested is first processed to ensure that it is divisible
* by the character size, by rounding it to the nearest character
* cell boundary:
*
* [H PIXELS RND] = ((ROUND([H PIXELS]/[CELL GRAN RND],0))*[CELLGRAN RND])
*/
h_pixels_rnd = rint((float) h_pixels / CELL_GRAN) * CELL_GRAN;
/* 2. If interlace is requested, the number of vertical lines assumed
* by the calculation must be halved, as the computation calculates
* the number of vertical lines per field. In either case, the
* number of lines is rounded to the nearest integer.
*
* [V LINES RND] = IF([INT RQD?]="y", ROUND([V LINES]/2,0),
* ROUND([V LINES],0))
*/
v_lines_rnd = interlaced ?
rint((float) v_lines) / 2.0 : rint((float) v_lines);
/* 3. Find the frame rate required:
*
* [V FIELD RATE RQD] = IF([INT RQD?]="y", [I/P FREQ RQD]*2,
* [I/P FREQ RQD])
*/
v_field_rate_rqd = interlaced ? (freq * 2.0) : (freq);
/* 4. Find number of lines in Top margin:
*
* [TOP MARGIN (LINES)] = IF([MARGINS RQD?]="Y",
* ROUND(([MARGIN%]/100*[V LINES RND]),0),
* 0)
*/
top_margin = margins ? rint(MARGIN_PERCENT / 100.0 * v_lines_rnd) : (0.0);
/* 5. Find number of lines in Bottom margin:
*
* [BOT MARGIN (LINES)] = IF([MARGINS RQD?]="Y",
* ROUND(([MARGIN%]/100*[V LINES RND]),0),
* 0)
*/
bottom_margin =
margins ? rint(MARGIN_PERCENT / 100.0 * v_lines_rnd) : (0.0);
/* 6. If interlace is required, then set variable [INTERLACE]=0.5:
*
* [INTERLACE]=(IF([INT RQD?]="y",0.5,0))
*/
interlace = interlaced ? 0.5 : 0.0;
/* 7. Estimate the Horizontal period
*
* [H PERIOD EST] = ((1/[V FIELD RATE RQD]) - [MIN VSYNC+BP]/1000000) /
* ([V LINES RND] + (2*[TOP MARGIN (LINES)]) +
* [MIN PORCH RND]+[INTERLACE]) * 1000000
*/
h_period_est = (((1.0 / v_field_rate_rqd) - (MIN_VSYNC_PLUS_BP / 1000000.0))
/ (v_lines_rnd + (2 * top_margin) + MIN_PORCH + interlace)
* 1000000.0);
/* 8. Find the number of lines in V sync + back porch:
*
* [V SYNC+BP] = ROUND(([MIN VSYNC+BP]/[H PERIOD EST]),0)
*/
vsync_plus_bp = rint(MIN_VSYNC_PLUS_BP / h_period_est);
/* 9. Find the number of lines in V back porch alone:
*
* [V BACK PORCH] = [V SYNC+BP] - [V SYNC RND]
*
* XXX is "[V SYNC RND]" a typo? should be [V SYNC RQD]?
*/
v_back_porch = vsync_plus_bp - V_SYNC_RQD;
(void) v_back_porch;
/* 10. Find the total number of lines in Vertical field period:
*
* [TOTAL V LINES] = [V LINES RND] + [TOP MARGIN (LINES)] +
* [BOT MARGIN (LINES)] + [V SYNC+BP] + [INTERLACE] +
* [MIN PORCH RND]
*/
total_v_lines = v_lines_rnd + top_margin + bottom_margin + vsync_plus_bp +
interlace + MIN_PORCH;
/* 11. Estimate the Vertical field frequency:
*
* [V FIELD RATE EST] = 1 / [H PERIOD EST] / [TOTAL V LINES] * 1000000
*/
v_field_rate_est = 1.0 / h_period_est / total_v_lines * 1000000.0;
/* 12. Find the actual horizontal period:
*
* [H PERIOD] = [H PERIOD EST] / ([V FIELD RATE RQD] / [V FIELD RATE EST])
*/
h_period = h_period_est / (v_field_rate_rqd / v_field_rate_est);
/* 13. Find the actual Vertical field frequency:
*
* [V FIELD RATE] = 1 / [H PERIOD] / [TOTAL V LINES] * 1000000
*/
v_field_rate = 1.0 / h_period / total_v_lines * 1000000.0;
/* 14. Find the Vertical frame frequency:
*
* [V FRAME RATE] = (IF([INT RQD?]="y", [V FIELD RATE]/2, [V FIELD RATE]))
*/
v_frame_rate = interlaced ? v_field_rate / 2.0 : v_field_rate;
(void) v_frame_rate;
/* 15. Find number of pixels in left margin:
*
* [LEFT MARGIN (PIXELS)] = (IF( [MARGINS RQD?]="Y",
* (ROUND( ([H PIXELS RND] * [MARGIN%] / 100 /
* [CELL GRAN RND]),0)) * [CELL GRAN RND],
* 0))
*/
left_margin = margins ?
rint(h_pixels_rnd * MARGIN_PERCENT / 100.0 / CELL_GRAN) * CELL_GRAN :
0.0;
/* 16. Find number of pixels in right margin:
*
* [RIGHT MARGIN (PIXELS)] = (IF( [MARGINS RQD?]="Y",
* (ROUND( ([H PIXELS RND] * [MARGIN%] / 100 /
* [CELL GRAN RND]),0)) * [CELL GRAN RND],
* 0))
*/
right_margin = margins ?
rint(h_pixels_rnd * MARGIN_PERCENT / 100.0 / CELL_GRAN) * CELL_GRAN :
0.0;
/* 17. Find total number of active pixels in image and left and right
* margins:
*
* [TOTAL ACTIVE PIXELS] = [H PIXELS RND] + [LEFT MARGIN (PIXELS)] +
* [RIGHT MARGIN (PIXELS)]
*/
total_active_pixels = h_pixels_rnd + left_margin + right_margin;
/* 18. Find the ideal blanking duty cycle from the blanking duty cycle
* equation:
*
* [IDEAL DUTY CYCLE] = [C'] - ([M']*[H PERIOD]/1000)
*/
ideal_duty_cycle = C_PRIME - (M_PRIME * h_period / 1000.0);
/* 19. Find the number of pixels in the blanking time to the nearest
* double character cell:
*
* [H BLANK (PIXELS)] = (ROUND(([TOTAL ACTIVE PIXELS] *
* [IDEAL DUTY CYCLE] /
* (100-[IDEAL DUTY CYCLE]) /
* (2*[CELL GRAN RND])), 0))
* * (2*[CELL GRAN RND])
*/
h_blank = rint(total_active_pixels *
ideal_duty_cycle /
(100.0 - ideal_duty_cycle) /
(2.0 * CELL_GRAN)) * (2.0 * CELL_GRAN);
/* 20. Find total number of pixels:
*
* [TOTAL PIXELS] = [TOTAL ACTIVE PIXELS] + [H BLANK (PIXELS)]
*/
total_pixels = total_active_pixels + h_blank;
/* 21. Find pixel clock frequency:
*
* [PIXEL FREQ] = [TOTAL PIXELS] / [H PERIOD]
*/
pixel_freq = total_pixels / h_period;
/* 22. Find horizontal frequency:
*
* [H FREQ] = 1000 / [H PERIOD]
*/
h_freq = 1000.0 / h_period;
/* Stage 1 computations are now complete; I should really pass
the results to another function and do the Stage 2
computations, but I only need a few more values so I'll just
append the computations here for now */
/* 17. Find the number of pixels in the horizontal sync period:
*
* [H SYNC (PIXELS)] =(ROUND(([H SYNC%] / 100 * [TOTAL PIXELS] /
* [CELL GRAN RND]),0))*[CELL GRAN RND]
*/
h_sync =
rint(H_SYNC_PERCENT / 100.0 * total_pixels / CELL_GRAN) * CELL_GRAN;
/* 18. Find the number of pixels in the horizontal front porch period:
*
* [H FRONT PORCH (PIXELS)] = ([H BLANK (PIXELS)]/2)-[H SYNC (PIXELS)]
*/
h_front_porch = (h_blank / 2.0) - h_sync;
/* 36. Find the number of lines in the odd front porch period:
*
* [V ODD FRONT PORCH(LINES)]=([MIN PORCH RND]+[INTERLACE])
*/
v_odd_front_porch_lines = MIN_PORCH + interlace;
/* finally, pack the results in the mode struct */
mode->HDisplay = (int) (h_pixels_rnd);
mode->HSyncStart = (int) (h_pixels_rnd + h_front_porch);
mode->HSyncEnd = (int) (h_pixels_rnd + h_front_porch + h_sync);
mode->HTotal = (int) (total_pixels);
mode->VDisplay = (int) (v_lines_rnd);
mode->VSyncStart = (int) (v_lines_rnd + v_odd_front_porch_lines);
mode->VSyncEnd = (int) (v_lines_rnd + v_odd_front_porch_lines + V_SYNC_RQD);
mode->VTotal = (int) (total_v_lines);
mode->Clock = (int) (pixel_freq * 1000.0);
mode->HSync = h_freq;
mode->VRefresh = freq;
xf86SetModeDefaultName(mode);
mode->Flags = V_NHSYNC | V_PVSYNC;
if (interlaced) {
mode->VTotal *= 2;
mode->Flags |= V_INTERLACE;
}
return mode;
}
