summaryrefslogtreecommitdiff
path: root/driver/product/kernel/drivers/gpu/drm/pl111/pl111_drm_encoder.c
diff options
context:
space:
mode:
Diffstat (limited to 'driver/product/kernel/drivers/gpu/drm/pl111/pl111_drm_encoder.c')
-rwxr-xr-xdriver/product/kernel/drivers/gpu/drm/pl111/pl111_drm_encoder.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/driver/product/kernel/drivers/gpu/drm/pl111/pl111_drm_encoder.c b/driver/product/kernel/drivers/gpu/drm/pl111/pl111_drm_encoder.c
new file mode 100755
index 0000000..78c91c0
--- /dev/null
+++ b/driver/product/kernel/drivers/gpu/drm/pl111/pl111_drm_encoder.c
@@ -0,0 +1,107 @@
+/*
+ *
+ * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained
+ * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+
+
+/**
+ * pl111_drm_encoder.c
+ * Implementation of the encoder functions for PL111 DRM
+ */
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+#include <linux/version.h>
+#include <linux/shmem_fs.h>
+#include <linux/dma-buf.h>
+#include <linux/module.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+
+#include "pl111_drm.h"
+
+bool pl111_encoder_helper_mode_fixup(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ DRM_DEBUG_KMS("DRM %s on encoder=%p\n", __func__, encoder);
+ return true;
+}
+
+void pl111_encoder_helper_prepare(struct drm_encoder *encoder)
+{
+ DRM_DEBUG_KMS("DRM %s on encoder=%p\n", __func__, encoder);
+}
+
+void pl111_encoder_helper_commit(struct drm_encoder *encoder)
+{
+ DRM_DEBUG_KMS("DRM %s on encoder=%p\n", __func__, encoder);
+}
+
+void pl111_encoder_helper_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ DRM_DEBUG_KMS("DRM %s on encoder=%p\n", __func__, encoder);
+}
+
+void pl111_encoder_helper_disable(struct drm_encoder *encoder)
+{
+ DRM_DEBUG_KMS("DRM %s on encoder=%p\n", __func__, encoder);
+}
+
+void pl111_encoder_destroy(struct drm_encoder *encoder)
+{
+ struct pl111_drm_encoder *pl111_encoder =
+ PL111_ENCODER_FROM_ENCODER(encoder);
+
+ DRM_DEBUG_KMS("DRM %s on encoder=%p\n", __func__, encoder);
+
+ drm_encoder_cleanup(encoder);
+ kfree(pl111_encoder);
+}
+
+const struct drm_encoder_funcs encoder_funcs = {
+ .destroy = pl111_encoder_destroy,
+};
+
+const struct drm_encoder_helper_funcs encoder_helper_funcs = {
+ .mode_fixup = pl111_encoder_helper_mode_fixup,
+ .prepare = pl111_encoder_helper_prepare,
+ .commit = pl111_encoder_helper_commit,
+ .mode_set = pl111_encoder_helper_mode_set,
+ .disable = pl111_encoder_helper_disable,
+};
+
+struct pl111_drm_encoder *pl111_encoder_create(struct drm_device *dev,
+ int possible_crtcs)
+{
+ struct pl111_drm_encoder *pl111_encoder;
+
+ pl111_encoder = kzalloc(sizeof(struct pl111_drm_encoder), GFP_KERNEL);
+ if (pl111_encoder == NULL) {
+ pr_err("Failed to allocated pl111_drm_encoder\n");
+ return NULL;
+ }
+
+ drm_encoder_init(dev, &pl111_encoder->encoder, &encoder_funcs,
+ DRM_MODE_ENCODER_DAC);
+
+ drm_encoder_helper_add(&pl111_encoder->encoder, &encoder_helper_funcs);
+
+ pl111_encoder->encoder.possible_crtcs = possible_crtcs;
+
+ return pl111_encoder;
+}
+