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-rw-r--r--src/lx_output.c272
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diff --git a/src/lx_output.c b/src/lx_output.c
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+/* Copyright (c) 2008 Advanced Micro Devices, Inc.
+ *
+ * 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 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.
+ *
+ * Neither the name of the Advanced Micro Devices, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xf86.h"
+#include "X11/Xatom.h"
+#include "geode.h"
+#include "xf86Modes.h"
+#include "xf86Crtc.h"
+#include "cim/cim_defs.h"
+#include "cim/cim_regs.h"
+
+#define MAKE_ATOM(a) MakeAtom(a, sizeof(a) - 1, TRUE)
+
+typedef struct _LXOutputPrivateRec
+{
+ I2CBusPtr pDDCBus;
+} LXOutputPrivateRec, *LXOutputPrivatePtr;
+
+static Atom scale_atom;
+
+static void
+lx_create_resources(xf86OutputPtr output)
+{
+ int ret;
+ char *s;
+ ScrnInfoPtr pScrni = output->scrn;
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+
+ /* Scaling is only used for panels */
+
+ if (!(pGeode->Output & OUTPUT_PANEL))
+ return;
+
+ scale_atom = MAKE_ATOM("scale");
+ ret = RRConfigureOutputProperty(output->randr_output,
+ scale_atom, FALSE, FALSE, FALSE, 0, NULL);
+
+ if (ret) {
+ xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
+ "RRConfigureOutputProperty error %d\n", ret);
+ }
+
+ s = "on";
+ ret = RRChangeOutputProperty(output->randr_output, scale_atom,
+ XA_STRING, 8, PropModeReplace, strlen(s), (pointer) s, FALSE, FALSE);
+
+ if (ret) {
+ xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
+ "RRCharOutputProperty error %d\n", ret);
+ }
+}
+
+static Bool
+lx_output_set_property(xf86OutputPtr output, Atom property,
+ RRPropertyValuePtr value)
+{
+ ScrnInfoPtr pScrni = output->scrn;
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+ Bool scale = pGeode->Scale;
+ char *s;
+ int ret;
+
+ if (property != scale_atom)
+ return FALSE;
+
+ if (value->type != XA_STRING || value->format != 8)
+ return FALSE;
+
+ s = (char *)value->data;
+
+ if (value->size == 2 && !strncmp("on", s, 2))
+ pGeode->Scale = TRUE;
+ else if (value->size == 3 && !strncmp("off", s, 3))
+ pGeode->Scale = FALSE;
+
+ if (pGeode->Scale != scale && output->crtc) {
+ xf86CrtcPtr crtc = output->crtc;
+
+ if (crtc->enabled) {
+ ret = xf86CrtcSetMode(crtc, &crtc->desiredMode,
+ crtc->desiredRotation, crtc->desiredX, crtc->desiredY);
+
+ if (!ret) {
+ xf86DrvMsg(pScrni->scrnIndex, X_ERROR,
+ "Failed to set mode after propery change!\n");
+
+ pGeode->Scale = scale;
+ return FALSE;
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+static void
+lx_output_dpms(xf86OutputPtr output, int mode)
+{
+ /* DPMS is handled by the CRTC */
+}
+
+static void
+lx_output_prepare(xf86OutputPtr output)
+{
+ /* Nothing to do */
+}
+
+static void
+lx_output_commit(xf86OutputPtr output)
+{
+ /* Nothing to do */
+}
+
+static void
+lx_output_save(xf86OutputPtr output)
+{
+ /* Nothing to do */
+}
+
+static void
+lx_output_restore(xf86OutputPtr output)
+{
+ /* Nothing to do */
+}
+
+static int
+lx_output_mode_valid(xf86OutputPtr output, DisplayModePtr pMode)
+{
+ ScrnInfoPtr pScrni = output->scrn;
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+
+ /* No scaling > for modes with > 1024 width */
+
+ if (pGeode->Output & OUTPUT_PANEL) {
+ if ((pMode->HDisplay != pGeode->panelMode->HDisplay) &&
+ pMode->HDisplay > 1024)
+ return MODE_BAD;
+ }
+
+ return MODE_OK;
+}
+
+static Bool
+lx_output_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
+ DisplayModePtr adjusted_mode)
+{
+ return TRUE;
+}
+
+static void
+lx_output_mode_set(xf86OutputPtr output, DisplayModePtr mode,
+ DisplayModePtr adjusted_mode)
+{
+ ScrnInfoPtr pScrni = output->scrn;
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+
+ /* Configure the output path */
+
+ if (pGeode->Output & OUTPUT_PANEL)
+ df_set_output_path((pGeode->Output & OUTPUT_CRT) ?
+ DF_DISPLAY_CRT_FP : DF_DISPLAY_FP);
+ else
+ df_set_output_path(DF_DISPLAY_CRT);
+}
+
+static xf86OutputStatus
+lx_output_detect(xf86OutputPtr output)
+{
+ /* We assume that there is always something
+ * out there */
+
+ return XF86OutputStatusConnected;
+}
+
+static DisplayModePtr
+lx_output_get_modes(xf86OutputPtr output)
+{
+ ScrnInfoPtr pScrni = output->scrn;
+ GeodeRec *pGeode = GEODEPTR(pScrni);
+ LXOutputPrivatePtr lx_output = output->driver_private;
+
+ xf86MonPtr mon;
+ DisplayModePtr modes;
+
+ if (!(pGeode->Output & OUTPUT_PANEL)) {
+ mon = xf86OutputGetEDID(output, lx_output->pDDCBus);
+ xf86OutputSetEDID(output, mon);
+ modes = xf86OutputGetEDIDModes(output);
+ } else {
+ modes = xf86DuplicateMode(pGeode->panelMode);
+ }
+
+ return modes;
+}
+
+static void
+lx_output_destroy(xf86OutputPtr output)
+{
+ if (output->driver_private)
+ xfree(output->driver_private);
+
+ output->driver_private = NULL;
+}
+
+static const xf86OutputFuncsRec lx_output_funcs = {
+ .create_resources = lx_create_resources,
+ .dpms = lx_output_dpms,
+ .save = lx_output_save,
+ .restore = lx_output_restore,
+ .mode_valid = lx_output_mode_valid,
+ .mode_fixup = lx_output_mode_fixup,
+ .prepare = lx_output_prepare,
+ .mode_set = lx_output_mode_set,
+ .commit = lx_output_commit,
+ .detect = lx_output_detect,
+ .get_modes = lx_output_get_modes,
+ .set_property = lx_output_set_property,
+ .destroy = lx_output_destroy,
+};
+
+void
+LXSetupOutput(ScrnInfoPtr pScrni)
+{
+ xf86OutputPtr output;
+ LXOutputPrivatePtr lxpriv;
+
+ output = xf86OutputCreate(pScrni, &lx_output_funcs, "default");
+
+ lxpriv = xnfcalloc(1, sizeof(LXOutputPrivateRec));
+
+ if (!lxpriv) {
+ xf86OutputDestroy(output);
+ return;
+ }
+
+ output->driver_private = lxpriv;
+ output->interlaceAllowed = TRUE;
+ output->doubleScanAllowed = TRUE;
+
+ /* Set up the DDC bus */
+
+ GeodeI2CInit(pScrni, &lxpriv->pDDCBus, "CS5536 DDC");
+
+ /* We only have one CRTC, and this output is tied to it */
+ output->possible_crtcs = 1;
+}
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