ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/msm/msm_kms.h b/marvell/linux/drivers/gpu/drm/msm/msm_kms.h
new file mode 100644
index 0000000..1cbef6b
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/msm/msm_kms.h
@@ -0,0 +1,197 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ */
+
+#ifndef __MSM_KMS_H__
+#define __MSM_KMS_H__
+
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "msm_drv.h"
+
+#define MAX_PLANE 4
+
+/* 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);
+
+ /*
+ * Atomic commit handling:
+ *
+ * Note that in the case of async commits, the funcs which take
+ * a crtc_mask (ie. ->flush_commit(), and ->complete_commit())
+ * might not be evenly balanced with ->prepare_commit(), however
+ * each crtc that effected by a ->prepare_commit() (potentially
+ * multiple times) will eventually (at end of vsync period) be
+ * flushed and completed.
+ *
+ * This has some implications about tracking of cleanup state,
+ * for example SMP blocks to release after commit completes. Ie.
+ * cleanup state should be also duplicated in the various
+ * duplicate_state() methods, as the current cleanup state at
+ * ->complete_commit() time may have accumulated cleanup work
+ * from multiple commits.
+ */
+
+ /**
+ * Enable/disable power/clks needed for hw access done in other
+ * commit related methods.
+ *
+ * If mdp4 is migrated to runpm, we could probably drop these
+ * and use runpm directly.
+ */
+ void (*enable_commit)(struct msm_kms *kms);
+ void (*disable_commit)(struct msm_kms *kms);
+
+ /**
+ * If the kms backend supports async commit, it should implement
+ * this method to return the time of the next vsync. This is
+ * used to determine a time slightly before vsync, for the async
+ * commit timer to run and complete an async commit.
+ */
+ ktime_t (*vsync_time)(struct msm_kms *kms, struct drm_crtc *crtc);
+
+ /**
+ * Prepare for atomic commit. This is called after any previous
+ * (async or otherwise) commit has completed.
+ */
+ void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
+
+ /**
+ * Flush an atomic commit. This is called after the hardware
+ * updates have already been pushed down to effected planes/
+ * crtcs/encoders/connectors.
+ */
+ void (*flush_commit)(struct msm_kms *kms, unsigned crtc_mask);
+
+ /**
+ * Wait for any in-progress flush to complete on the specified
+ * crtcs. This should not block if there is no in-progress
+ * commit (ie. don't just wait for a vblank), as it will also
+ * be called before ->prepare_commit() to ensure any potential
+ * "async" commit has completed.
+ */
+ void (*wait_flush)(struct msm_kms *kms, unsigned crtc_mask);
+
+ /**
+ * Clean up after commit is completed. This is called after
+ * ->wait_flush(), to give the backend a chance to do any
+ * post-commit cleanup.
+ */
+ void (*complete_commit)(struct msm_kms *kms, unsigned crtc_mask);
+
+ /*
+ * Format handling:
+ */
+
+ /* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */
+ const struct msm_format *(*get_format)(struct msm_kms *kms,
+ const uint32_t format,
+ const uint64_t modifiers);
+ /* do format checking on format modified through fb_cmd2 modifiers */
+ int (*check_modified_format)(const struct msm_kms *kms,
+ const struct msm_format *msm_fmt,
+ const struct drm_mode_fb_cmd2 *cmd,
+ struct drm_gem_object **bos);
+
+ /* misc: */
+ long (*round_pixclk)(struct msm_kms *kms, unsigned long rate,
+ struct drm_encoder *encoder);
+ int (*set_split_display)(struct msm_kms *kms,
+ struct drm_encoder *encoder,
+ struct drm_encoder *slave_encoder,
+ bool is_cmd_mode);
+ void (*set_encoder_mode)(struct msm_kms *kms,
+ struct drm_encoder *encoder,
+ bool cmd_mode);
+ /* cleanup: */
+ void (*destroy)(struct msm_kms *kms);
+#ifdef CONFIG_DEBUG_FS
+ /* debugfs: */
+ int (*debugfs_init)(struct msm_kms *kms, struct drm_minor *minor);
+#endif
+};
+
+struct msm_kms;
+
+/*
+ * A per-crtc timer for pending async atomic flushes. Scheduled to expire
+ * shortly before vblank to flush pending async updates.
+ */
+struct msm_pending_timer {
+ struct hrtimer timer;
+ struct work_struct work;
+ struct msm_kms *kms;
+ unsigned crtc_idx;
+};
+
+struct msm_kms {
+ const struct msm_kms_funcs *funcs;
+ struct drm_device *dev;
+
+ /* irq number to be passed on to drm_irq_install */
+ int irq;
+
+ /* mapper-id used to request GEM buffer mapped for scanout: */
+ struct msm_gem_address_space *aspace;
+
+ /*
+ * For async commit, where ->flush_commit() and later happens
+ * from the crtc's pending_timer close to end of the frame:
+ */
+ struct mutex commit_lock;
+ unsigned pending_crtc_mask;
+ struct msm_pending_timer pending_timers[MAX_CRTCS];
+};
+
+static inline void msm_kms_init(struct msm_kms *kms,
+ const struct msm_kms_funcs *funcs)
+{
+ unsigned i;
+
+ mutex_init(&kms->commit_lock);
+ kms->funcs = funcs;
+
+ for (i = 0; i < ARRAY_SIZE(kms->pending_timers); i++)
+ msm_atomic_init_pending_timer(&kms->pending_timers[i], kms, i);
+}
+
+struct msm_kms *mdp4_kms_init(struct drm_device *dev);
+struct msm_kms *mdp5_kms_init(struct drm_device *dev);
+struct msm_kms *dpu_kms_init(struct drm_device *dev);
+
+struct msm_mdss_funcs {
+ int (*enable)(struct msm_mdss *mdss);
+ int (*disable)(struct msm_mdss *mdss);
+ void (*destroy)(struct drm_device *dev);
+};
+
+struct msm_mdss {
+ struct drm_device *dev;
+ const struct msm_mdss_funcs *funcs;
+};
+
+int mdp5_mdss_init(struct drm_device *dev);
+int dpu_mdss_init(struct drm_device *dev);
+
+#define for_each_crtc_mask(dev, crtc, crtc_mask) \
+ drm_for_each_crtc(crtc, dev) \
+ for_each_if (drm_crtc_mask(crtc) & (crtc_mask))
+
+#endif /* __MSM_KMS_H__ */