Add the rt linux 4.1.3-rt3 as base

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

diff --git a/kernel/drivers/gpu/drm/msm/mdp/mdp_kms.h b/kernel/drivers/gpu/drm/msm/mdp/mdp_kms.h
new file mode 100644 (file)
index 0000000..5ae4039
--- /dev/null
+++ b/kernel/drivers/gpu/drm/msm/mdp/mdp_kms.h
@@ -0,0 +1,119 @@
+/*
+ * 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 __MDP_KMS_H__
+#define __MDP_KMS_H__
+
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+
+#include "msm_drv.h"
+#include "msm_kms.h"
+#include "mdp_common.xml.h"
+
+struct mdp_kms;
+
+struct mdp_kms_funcs {
+       struct msm_kms_funcs base;
+       void (*set_irqmask)(struct mdp_kms *mdp_kms, uint32_t irqmask);
+};
+
+struct mdp_kms {
+       struct msm_kms base;
+
+       const struct mdp_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 */
+};
+#define to_mdp_kms(x) container_of(x, struct mdp_kms, base)
+
+static inline void mdp_kms_init(struct mdp_kms *mdp_kms,
+               const struct mdp_kms_funcs *funcs)
+{
+       mdp_kms->funcs = funcs;
+       INIT_LIST_HEAD(&mdp_kms->irq_list);
+       msm_kms_init(&mdp_kms->base, &funcs->base);
+}
+
+/*
+ * irq helpers:
+ */
+
+/* For transiently registering for different MDP irqs that various parts
+ * of the KMS code need during setup/configuration.  These are not
+ * necessarily the same as what drm_vblank_get/put() are requesting, and
+ * the hysteresis in drm_vblank_put() is not necessarily desirable for
+ * internal housekeeping related irq usage.
+ */
+struct mdp_irq {
+       struct list_head node;
+       uint32_t irqmask;
+       bool registered;
+       void (*irq)(struct mdp_irq *irq, uint32_t irqstatus);
+};
+
+void mdp_dispatch_irqs(struct mdp_kms *mdp_kms, uint32_t status);
+void mdp_update_vblank_mask(struct mdp_kms *mdp_kms, uint32_t mask, bool enable);
+void mdp_irq_wait(struct mdp_kms *mdp_kms, uint32_t irqmask);
+void mdp_irq_register(struct mdp_kms *mdp_kms, struct mdp_irq *irq);
+void mdp_irq_unregister(struct mdp_kms *mdp_kms, struct mdp_irq *irq);
+void mdp_irq_update(struct mdp_kms *mdp_kms);
+
+/*
+ * pixel format helpers:
+ */
+
+struct mdp_format {
+       struct msm_format base;
+       enum mdp_bpc bpc_r, bpc_g, bpc_b;
+       enum mdp_bpc_alpha bpc_a;
+       uint8_t unpack[4];
+       bool alpha_enable, unpack_tight;
+       uint8_t cpp, unpack_count;
+       enum mdp_sspp_fetch_type fetch_type;
+       enum mdp_chroma_samp_type chroma_sample;
+};
+#define to_mdp_format(x) container_of(x, struct mdp_format, base)
+#define MDP_FORMAT_IS_YUV(mdp_format) ((mdp_format)->chroma_sample > CHROMA_RGB)
+
+uint32_t mdp_get_formats(uint32_t *formats, uint32_t max_formats, bool rgb_only);
+const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format);
+
+enum csc_type {
+       CSC_RGB2RGB = 0,
+       CSC_YUV2RGB,
+       CSC_RGB2YUV,
+       CSC_YUV2YUV,
+       CSC_MAX
+};
+
+struct csc_cfg {
+       enum csc_type type;
+       uint32_t matrix[9];
+       uint32_t pre_bias[3];
+       uint32_t post_bias[3];
+       uint32_t pre_clamp[6];
+       uint32_t post_clamp[6];
+};
+
+struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type);
+
+#endif /* __MDP_KMS_H__ */