+static void tegra_sor_mode_set(struct tegra_sor *sor,
+ const struct drm_display_mode *mode,
+ const struct drm_display_info *info)
+{
+ struct tegra_dc *dc = to_tegra_dc(sor->output.encoder.crtc);
+ unsigned int vbe, vse, hbe, hse, vbs, hbs;
+ u32 value;
+
+ value = tegra_sor_readl(sor, SOR_STATE1);
+ value &= ~SOR_STATE_ASY_PIXELDEPTH_MASK;
+ value &= ~SOR_STATE_ASY_CRC_MODE_MASK;
+ value &= ~SOR_STATE_ASY_OWNER_MASK;
+
+ value |= SOR_STATE_ASY_CRC_MODE_COMPLETE |
+ SOR_STATE_ASY_OWNER(dc->pipe + 1);
+
+ if (mode->flags & DRM_MODE_FLAG_PHSYNC)
+ value &= ~SOR_STATE_ASY_HSYNCPOL;
+
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ value |= SOR_STATE_ASY_HSYNCPOL;
+
+ if (mode->flags & DRM_MODE_FLAG_PVSYNC)
+ value &= ~SOR_STATE_ASY_VSYNCPOL;
+
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ value |= SOR_STATE_ASY_VSYNCPOL;
+
+ switch (info->bpc) {
+ case 8:
+ value |= SOR_STATE_ASY_PIXELDEPTH_BPP_24_444;
+ break;
+
+ case 6:
+ value |= SOR_STATE_ASY_PIXELDEPTH_BPP_18_444;
+ break;
+
+ default:
+ BUG();
+ break;
+ }
+
+ tegra_sor_writel(sor, value, SOR_STATE1);
+
+ /*
+ * TODO: The video timing programming below doesn't seem to match the
+ * register definitions.
+ */
+
+ value = ((mode->vtotal & 0x7fff) << 16) | (mode->htotal & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE1(dc->pipe));
+
+ /* sync end = sync width - 1 */
+ vse = mode->vsync_end - mode->vsync_start - 1;
+ hse = mode->hsync_end - mode->hsync_start - 1;
+
+ value = ((vse & 0x7fff) << 16) | (hse & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE2(dc->pipe));
+
+ /* blank end = sync end + back porch */
+ vbe = vse + (mode->vtotal - mode->vsync_end);
+ hbe = hse + (mode->htotal - mode->hsync_end);
+
+ value = ((vbe & 0x7fff) << 16) | (hbe & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE3(dc->pipe));
+
+ /* blank start = blank end + active */
+ vbs = vbe + mode->vdisplay;
+ hbs = hbe + mode->hdisplay;
+
+ value = ((vbs & 0x7fff) << 16) | (hbs & 0x7fff);
+ tegra_sor_writel(sor, value, SOR_HEAD_STATE4(dc->pipe));
+
+ /* XXX interlacing support */
+ tegra_sor_writel(sor, 0x001, SOR_HEAD_STATE5(dc->pipe));
+}
+