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Diffstat (limited to 'drivers/gpu/drm/msm/msm_kms.h')
-rw-r--r--drivers/gpu/drm/msm/msm_kms.h68
1 files changed, 68 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..06437745bc2c
--- /dev/null
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -0,0 +1,68 @@
+/*
+ * 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;
+
+ /* irq handling: */
+ bool in_irq;
+ struct list_head irq_list; /* list of mdp4_irq */
+ uint32_t vblank_mask; /* irq bits set for userspace vblank */
+};
+
+static inline void msm_kms_init(struct msm_kms *kms,
+ const struct msm_kms_funcs *funcs)
+{
+ kms->funcs = funcs;
+}
+
+struct msm_kms *mdp4_kms_init(struct drm_device *dev);
+struct msm_kms *mdp5_kms_init(struct drm_device *dev);
+
+#endif /* __MSM_KMS_H__ */