drm/msm: split out msm_kms.h

Signed-off-by: Rob Clark <robdclark@gmail.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
new file mode 100644
index 000000000000..f01e239f7261
--- /dev/null
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __MSM_KMS_H__
+#define __MSM_KMS_H__
+
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "msm_drv.h"
+
+/* As there are different display controller blocks depending on the
+ * snapdragon version, the kms support is split out and the appropriate
+ * implementation is loaded at runtime.  The kms module is responsible
+ * for constructing the appropriate planes/crtcs/encoders/connectors.
+ */
+struct msm_kms_funcs {
+        /* hw initialization: */
+        int (*hw_init)(struct msm_kms *kms);
+        /* irq handling: */
+        void (*irq_preinstall)(struct msm_kms *kms);
+        int (*irq_postinstall)(struct msm_kms *kms);
+        void (*irq_uninstall)(struct msm_kms *kms);
+        irqreturn_t (*irq)(struct msm_kms *kms);
+        int (*enable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
+        void (*disable_vblank)(struct msm_kms *kms, struct drm_crtc *crtc);
+        /* misc: */
+        const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format);
+        long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
+                        struct drm_encoder *encoder);
+        /* cleanup: */
+        void (*preclose)(struct msm_kms *kms, struct drm_file *file);
+        void (*destroy)(struct msm_kms *kms);
+};
+
+struct msm_kms {
+        const struct msm_kms_funcs *funcs;
+};
+
+struct msm_kms *mdp4_kms_init(struct drm_device *dev);
+
+#endif /* __MSM_KMS_H__ */