Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / gpu / drm / msm / mdp / mdp5 / mdp5_ctl.h

diff --git a/kernel/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h b/kernel/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h
new file mode 100644 (file)
index 0000000..7a62000
--- /dev/null
+++ b/kernel/drivers/gpu/drm/msm/mdp/mdp5/mdp5_ctl.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2014 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only 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.
+ */
+
+#ifndef __MDP5_CTL_H__
+#define __MDP5_CTL_H__
+
+#include "msm_drv.h"
+
+/*
+ * CTL Manager prototypes:
+ * mdp5_ctlm_init() returns a ctlm (CTL Manager) handler,
+ * which is then used to call the other mdp5_ctlm_*(ctlm, ...) functions.
+ */
+struct mdp5_ctl_manager;
+struct mdp5_ctl_manager *mdp5_ctlm_init(struct drm_device *dev,
+               void __iomem *mmio_base, const struct mdp5_cfg_hw *hw_cfg);
+void mdp5_ctlm_hw_reset(struct mdp5_ctl_manager *ctlm);
+void mdp5_ctlm_destroy(struct mdp5_ctl_manager *ctlm);
+
+/*
+ * CTL prototypes:
+ * mdp5_ctl_request(ctlm, ...) returns a ctl (CTL resource) handler,
+ * which is then used to call the other mdp5_ctl_*(ctl, ...) functions.
+ */
+struct mdp5_ctl *mdp5_ctlm_request(struct mdp5_ctl_manager *ctlm, struct drm_crtc *crtc);
+int mdp5_ctl_get_ctl_id(struct mdp5_ctl *ctl);
+
+struct mdp5_interface;
+int mdp5_ctl_set_intf(struct mdp5_ctl *ctl, struct mdp5_interface *intf);
+int mdp5_ctl_set_encoder_state(struct mdp5_ctl *ctl, bool enabled);
+
+int mdp5_ctl_set_cursor(struct mdp5_ctl *ctl, int cursor_id, bool enable);
+
+/*
+ * blend_cfg (LM blender config):
+ *
+ * The function below allows the caller of mdp5_ctl_blend() to specify how pipes
+ * are being blended according to their stage (z-order), through @blend_cfg arg.
+ */
+static inline u32 mdp_ctl_blend_mask(enum mdp5_pipe pipe,
+               enum mdp_mixer_stage_id stage)
+{
+       switch (pipe) {
+       case SSPP_VIG0: return MDP5_CTL_LAYER_REG_VIG0(stage);
+       case SSPP_VIG1: return MDP5_CTL_LAYER_REG_VIG1(stage);
+       case SSPP_VIG2: return MDP5_CTL_LAYER_REG_VIG2(stage);
+       case SSPP_RGB0: return MDP5_CTL_LAYER_REG_RGB0(stage);
+       case SSPP_RGB1: return MDP5_CTL_LAYER_REG_RGB1(stage);
+       case SSPP_RGB2: return MDP5_CTL_LAYER_REG_RGB2(stage);
+       case SSPP_DMA0: return MDP5_CTL_LAYER_REG_DMA0(stage);
+       case SSPP_DMA1: return MDP5_CTL_LAYER_REG_DMA1(stage);
+       case SSPP_VIG3: return MDP5_CTL_LAYER_REG_VIG3(stage);
+       case SSPP_RGB3: return MDP5_CTL_LAYER_REG_RGB3(stage);
+       default:        return 0;
+       }
+}
+
+/*
+ * mdp5_ctl_blend() - Blend multiple layers on a Layer Mixer (LM)
+ *
+ * @blend_cfg: see LM blender config definition below
+ *
+ * Note:
+ * CTL registers need to be flushed after calling this function
+ * (call mdp5_ctl_commit() with mdp_ctl_flush_mask_ctl() mask)
+ */
+int mdp5_ctl_blend(struct mdp5_ctl *ctl, u32 lm, u32 blend_cfg);
+
+/**
+ * mdp_ctl_flush_mask...() - Register FLUSH masks
+ *
+ * These masks are used to specify which block(s) need to be flushed
+ * through @flush_mask parameter in mdp5_ctl_commit(.., flush_mask).
+ */
+u32 mdp_ctl_flush_mask_lm(int lm);
+u32 mdp_ctl_flush_mask_pipe(enum mdp5_pipe pipe);
+u32 mdp_ctl_flush_mask_cursor(int cursor_id);
+u32 mdp_ctl_flush_mask_encoder(struct mdp5_interface *intf);
+
+/* @flush_mask: see CTL flush masks definitions below */
+int mdp5_ctl_commit(struct mdp5_ctl *ctl, u32 flush_mask);
+
+void mdp5_ctl_release(struct mdp5_ctl *ctl);
+
+
+
+#endif /* __MDP5_CTL_H__ */