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-rw-r--r--src/crtc.c307
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diff --git a/src/crtc.c b/src/crtc.c
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+/*
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ *
+ *
+ * Author: Alan Hourihane <alanh@tungstengraphics.com>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <unistd.h>
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <math.h>
+#include <stdint.h>
+
+#include <xf86.h>
+#include <xf86i2c.h>
+#include <xf86Crtc.h>
+#include "driver.h"
+#include "xf86Modes.h"
+
+#define DPMS_SERVER
+#include <X11/extensions/dpms.h>
+
+struct crtc_private
+{
+ drmModeCrtcPtr drm_crtc;
+
+ /* hwcursor */
+ drmBO cursor_bo;
+};
+
+static void
+crtc_dpms(xf86CrtcPtr crtc, int mode)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+
+ switch (mode) {
+ case DPMSModeOn:
+ case DPMSModeStandby:
+ case DPMSModeSuspend:
+ break;
+ case DPMSModeOff:
+ break;
+ }
+}
+
+static Bool
+crtc_lock(xf86CrtcPtr crtc)
+{
+ return FALSE;
+}
+
+static void
+crtc_unlock(xf86CrtcPtr crtc)
+{
+}
+
+static void
+crtc_prepare(xf86CrtcPtr crtc)
+{
+}
+
+static void
+crtc_commit(xf86CrtcPtr crtc)
+{
+}
+
+static Bool
+crtc_mode_fixup(xf86CrtcPtr crtc, DisplayModePtr mode,
+ DisplayModePtr adjusted_mode)
+{
+ return TRUE;
+}
+
+static void
+crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode,
+ DisplayModePtr adjusted_mode, int x, int y)
+{
+ xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(crtc->scrn);
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ xf86OutputPtr output = config->output[config->compat_output];
+ drmModeConnectorPtr drm_connector = output->driver_private;
+ struct crtc_private *crtcp = crtc->driver_private;
+ drmModeCrtcPtr drm_crtc = crtcp->drm_crtc;
+ struct drm_mode_modeinfo drm_mode;
+
+ 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);
+
+ drmModeSetCrtc(ms->fd, drm_crtc->crtc_id, ms->fb_id, x, y,
+ &drm_connector->connector_id, 1, &drm_mode);
+}
+
+void
+crtc_load_lut(xf86CrtcPtr crtc)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+}
+
+static void
+crtc_gamma_set(xf86CrtcPtr crtc, CARD16 * red, CARD16 * green, CARD16 * blue,
+ int size)
+{
+}
+
+static void *
+crtc_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+
+ return NULL;
+}
+
+static PixmapPtr
+crtc_shadow_create(xf86CrtcPtr crtc, void *data, int width, int height)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+
+ return NULL;
+}
+
+static void
+crtc_shadow_destroy(xf86CrtcPtr crtc, PixmapPtr rotate_pixmap, void *data)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+}
+
+static void
+crtc_destroy(xf86CrtcPtr crtc)
+{
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ struct crtc_private *crtcp = crtc->driver_private;
+
+ if (crtcp->cursor_bo.handle)
+ drmBOUnreference(ms->fd, &crtcp->cursor_bo);
+
+ drmModeFreeCrtc(crtcp->drm_crtc);
+ xfree(crtcp);
+}
+
+static void
+crtc_load_cursor_argb(xf86CrtcPtr crtc, CARD32 * image)
+{
+ unsigned char *ptr;
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ struct crtc_private *crtcp = crtc->driver_private;
+
+ if (!crtcp->cursor_bo.handle)
+ drmBOCreate(ms->fd, 64 * 64 * 4, 0, NULL,
+ DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE
+ | DRM_BO_FLAG_NO_EVICT | DRM_BO_FLAG_MAPPABLE |
+ DRM_BO_FLAG_MEM_VRAM,
+ DRM_BO_HINT_DONT_FENCE, &crtcp->cursor_bo);
+
+ drmBOMap(ms->fd, &crtcp->cursor_bo, DRM_BO_FLAG_WRITE,
+ DRM_BO_HINT_DONT_FENCE, (void **)&ptr);
+
+ if (ptr)
+ memcpy(ptr, image, 64 * 64 * 4);
+
+ drmBOUnmap(ms->fd, &crtcp->cursor_bo);
+}
+
+static void
+crtc_set_cursor_position(xf86CrtcPtr crtc, int x, int y)
+{
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ struct crtc_private *crtcp = crtc->driver_private;
+
+ drmModeMoveCursor(ms->fd, crtcp->drm_crtc->crtc_id, x, y);
+}
+
+static void
+crtc_show_cursor(xf86CrtcPtr crtc)
+{
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ struct crtc_private *crtcp = crtc->driver_private;
+
+ if (crtcp->cursor_bo.handle)
+ drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id,
+ crtcp->cursor_bo.handle, 64, 64);
+}
+
+static void
+crtc_hide_cursor(xf86CrtcPtr crtc)
+{
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ struct crtc_private *crtcp = crtc->driver_private;
+
+ drmModeSetCursor(ms->fd, crtcp->drm_crtc->crtc_id, 0, 0, 0);
+}
+
+static const xf86CrtcFuncsRec crtc_funcs = {
+ .dpms = crtc_dpms,
+ .save = NULL,
+ .restore = NULL,
+ .lock = crtc_lock,
+ .unlock = crtc_unlock,
+ .mode_fixup = crtc_mode_fixup,
+ .prepare = crtc_prepare,
+ .mode_set = crtc_mode_set,
+ .commit = crtc_commit,
+ .gamma_set = crtc_gamma_set,
+ .shadow_create = crtc_shadow_create,
+ .shadow_allocate = crtc_shadow_allocate,
+ .shadow_destroy = crtc_shadow_destroy,
+ .set_cursor_position = crtc_set_cursor_position,
+ .show_cursor = crtc_show_cursor,
+ .hide_cursor = crtc_hide_cursor,
+ .load_cursor_image = NULL, /* lets convert to argb only */
+ .set_cursor_colors = NULL, /* using argb only */
+ .load_cursor_argb = crtc_load_cursor_argb,
+ .destroy = crtc_destroy,
+};
+
+void
+cursor_destroy(xf86CrtcPtr crtc)
+{
+ modesettingPtr ms = modesettingPTR(crtc->scrn);
+ struct crtc_private *crtcp = crtc->driver_private;
+
+ if (crtcp->cursor_bo.handle) {
+ drmBOSetStatus(ms->fd, &crtcp->cursor_bo, 0, 0, 0, 0, 0);
+ drmBOUnreference(ms->fd, &crtcp->cursor_bo);
+ }
+}
+
+void
+crtc_init(ScrnInfoPtr pScrn)
+{
+ modesettingPtr ms = modesettingPTR(pScrn);
+ xf86CrtcPtr crtc;
+ drmModeResPtr res;
+ drmModeCrtcPtr drm_crtc = NULL;
+ struct crtc_private *crtcp;
+ int c, k, p;
+
+ res = drmModeGetResources(ms->fd);
+ if (res == 0) {
+ ErrorF("Failed drmModeGetResources %d\n", errno);
+ return;
+ }
+
+ for (c = 0; c < res->count_crtcs; c++) {
+ drm_crtc = drmModeGetCrtc(ms->fd, res->crtcs[c]);
+ if (!drm_crtc)
+ continue;
+
+ crtc = xf86CrtcCreate(pScrn, &crtc_funcs);
+ if (crtc == NULL)
+ goto out;
+
+ crtcp = xcalloc(1, sizeof(struct crtc_private));
+ if (!crtcp) {
+ xf86CrtcDestroy(crtc);
+ goto out;
+ }
+
+ crtcp->drm_crtc = drm_crtc;
+
+ crtc->driver_private = crtcp;
+
+ }
+
+ out:
+ drmModeFreeResources(res);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 14:35:22 +0000