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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-05 10:17:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-05 10:17:26 -0700
commita09e9a7a4b907f2dfa9bdb2b98a1828ab4b340b2 (patch)
treec7a2df4e887573648eeaf8f7939889046990d3f6 /drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
parent9ab073bc45b8b523cc39658925bb44bef35ca657 (diff)
parent86a7e1224a68511d3a1ae0b7e11581b9d37723ae (diff)
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm tree changes from Dave Airlie: "This is the main drm pull request, I have some overlap with sound and arm-soc, the sound patch is acked and may conflict based on -next reports but should be a trivial fixup, which I'll leave to you! Highlights: - new drivers: MSM driver from Rob Clark - non-drm: switcheroo and hdmi audio driver support for secondary GPU poweroff, so drivers can use runtime PM to poweroff the GPUs. This can save 5 or 6W on some optimus laptops. - drm core: combined GEM and TTM VMA manager per-filp mmap permission tracking initial rendernode support (via a runtime enable for now, until we get api stable), remove old proc support, lots of cleanups of legacy code hdmi vendor infoframes and 4k modes lots of gem/prime locking and races fixes async pageflip scaffolding drm bridge objects - i915: Haswell PC8+ support and eLLC support, HDMI 4K support, initial per-process VMA pieces, watermark reworks, convert to generic hdmi infoframes, encoder reworking, fastboot support, - radeon: CIK PM support, remove 3d blit code in favour of DMA engines, Berlin GPU support, HDMI audio fixes - nouveau: secondary GPU power down support for optimus laptops, lots of fixes, use MSI, VP3 engine support - exynos: runtime pm support for g2d, DT support, remove non-DT, - tda998x i2c driver: lots of fixes for sync issues - gma500: lots of cleanups - rcar: add LVDS support, fbdev emulation, - tegra: just minor fixes" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (684 commits) drm/exynos: Fix build error with exynos_drm_connector.c drm/exynos: Remove non-DT support in exynos_drm_fimd drm/exynos: Remove non-DT support in exynos_hdmi drm/exynos: Remove non-DT support in exynos_drm_g2d drm/exynos: Remove non-DT support in exynos_hdmiphy drm/exynos: Remove non-DT support in exynos_ddc drm/exynos: Make Exynos DRM drivers depend on OF drm/exynos: Consider fallback option to allocation fail drm/exynos: fimd: move platform data parsing to separate function drm/exynos: fimd: get signal polarities from device tree drm/exynos: fimd: replace struct fb_videomode with videomode drm/exynos: check a pixel format to a particular window layer drm/exynos: fix fimd pixel format setting drm/exynos: Add NULL pointer check drm/exynos: Remove redundant error messages drm/exynos: Add missing of.h header include drm/exynos: Remove redundant NULL check in exynos_drm_buf drm/exynos: add device tree support for rotator drm/exynos: Add missing includes drm/exynos: add runtime pm interfaces to g2d driver ...
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c')
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
new file mode 100644
index 00000000000..4f3ba93cd91
--- /dev/null
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c
@@ -0,0 +1,131 @@
+/*
+ * rcar_du_lvdscon.c -- R-Car Display Unit LVDS Connector
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "rcar_du_drv.h"
+#include "rcar_du_encoder.h"
+#include "rcar_du_kms.h"
+#include "rcar_du_lvdscon.h"
+
+struct rcar_du_lvds_connector {
+ struct rcar_du_connector connector;
+
+ const struct rcar_du_panel_data *panel;
+};
+
+#define to_rcar_lvds_connector(c) \
+ container_of(c, struct rcar_du_lvds_connector, connector.connector)
+
+static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector)
+{
+ struct rcar_du_lvds_connector *lvdscon =
+ to_rcar_lvds_connector(connector);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (mode == NULL)
+ return 0;
+
+ mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
+ mode->clock = lvdscon->panel->mode.clock;
+ mode->hdisplay = lvdscon->panel->mode.hdisplay;
+ mode->hsync_start = lvdscon->panel->mode.hsync_start;
+ mode->hsync_end = lvdscon->panel->mode.hsync_end;
+ mode->htotal = lvdscon->panel->mode.htotal;
+ mode->vdisplay = lvdscon->panel->mode.vdisplay;
+ mode->vsync_start = lvdscon->panel->mode.vsync_start;
+ mode->vsync_end = lvdscon->panel->mode.vsync_end;
+ mode->vtotal = lvdscon->panel->mode.vtotal;
+ mode->flags = lvdscon->panel->mode.flags;
+
+ drm_mode_set_name(mode);
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static int rcar_du_lvds_connector_mode_valid(struct drm_connector *connector,
+ struct drm_display_mode *mode)
+{
+ return MODE_OK;
+}
+
+static const struct drm_connector_helper_funcs connector_helper_funcs = {
+ .get_modes = rcar_du_lvds_connector_get_modes,
+ .mode_valid = rcar_du_lvds_connector_mode_valid,
+ .best_encoder = rcar_du_connector_best_encoder,
+};
+
+static void rcar_du_lvds_connector_destroy(struct drm_connector *connector)
+{
+ drm_sysfs_connector_remove(connector);
+ drm_connector_cleanup(connector);
+}
+
+static enum drm_connector_status
+rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force)
+{
+ return connector_status_connected;
+}
+
+static const struct drm_connector_funcs connector_funcs = {
+ .dpms = drm_helper_connector_dpms,
+ .detect = rcar_du_lvds_connector_detect,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .destroy = rcar_du_lvds_connector_destroy,
+};
+
+int rcar_du_lvds_connector_init(struct rcar_du_device *rcdu,
+ struct rcar_du_encoder *renc,
+ const struct rcar_du_panel_data *panel)
+{
+ struct rcar_du_lvds_connector *lvdscon;
+ struct drm_connector *connector;
+ int ret;
+
+ lvdscon = devm_kzalloc(rcdu->dev, sizeof(*lvdscon), GFP_KERNEL);
+ if (lvdscon == NULL)
+ return -ENOMEM;
+
+ lvdscon->panel = panel;
+
+ connector = &lvdscon->connector.connector;
+ connector->display_info.width_mm = panel->width_mm;
+ connector->display_info.height_mm = panel->height_mm;
+
+ ret = drm_connector_init(rcdu->ddev, connector, &connector_funcs,
+ DRM_MODE_CONNECTOR_LVDS);
+ if (ret < 0)
+ return ret;
+
+ drm_connector_helper_add(connector, &connector_helper_funcs);
+ ret = drm_sysfs_connector_add(connector);
+ if (ret < 0)
+ return ret;
+
+ drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
+ drm_object_property_set_value(&connector->base,
+ rcdu->ddev->mode_config.dpms_property, DRM_MODE_DPMS_OFF);
+
+ ret = drm_mode_connector_attach_encoder(connector, &renc->encoder);
+ if (ret < 0)
+ return ret;
+
+ connector->encoder = &renc->encoder;
+ lvdscon->connector.encoder = renc;
+
+ return 0;
+}