Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 269 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
new file mode 100644
index 000000000..1c0e4c0c9
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -0,0 +1,269 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ */
+
+#ifndef __DPU_KMS_H__
+#define __DPU_KMS_H__
+
+#include <linux/interconnect.h>
+
+#include <drm/drm_drv.h>
+
+#include "msm_drv.h"
+#include "msm_kms.h"
+#include "msm_mmu.h"
+#include "msm_gem.h"
+#include "dpu_hw_catalog.h"
+#include "dpu_hw_ctl.h"
+#include "dpu_hw_lm.h"
+#include "dpu_hw_interrupts.h"
+#include "dpu_hw_top.h"
+#include "dpu_io_util.h"
+#include "dpu_rm.h"
+#include "dpu_core_perf.h"
+
+#define DRMID(x) ((x) ? (x)->base.id : -1)
+
+/**
+ * DPU_DEBUG - macro for kms/plane/crtc/encoder/connector logs
+ * @fmt: Pointer to format string
+ */
+#define DPU_DEBUG(fmt, ...)                                                \
+	do {                                                               \
+		if (drm_debug_enabled(DRM_UT_KMS))                         \
+			DRM_DEBUG(fmt, ##__VA_ARGS__); \
+		else                                                       \
+			pr_debug(fmt, ##__VA_ARGS__);                      \
+	} while (0)
+
+/**
+ * DPU_DEBUG_DRIVER - macro for hardware driver logging
+ * @fmt: Pointer to format string
+ */
+#define DPU_DEBUG_DRIVER(fmt, ...)                                         \
+	do {                                                               \
+		if (drm_debug_enabled(DRM_UT_DRIVER))                      \
+			DRM_ERROR(fmt, ##__VA_ARGS__); \
+		else                                                       \
+			pr_debug(fmt, ##__VA_ARGS__);                      \
+	} while (0)
+
+#define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__)
+
+/**
+ * ktime_compare_safe - compare two ktime structures
+ *	This macro is similar to the standard ktime_compare() function, but
+ *	attempts to also handle ktime overflows.
+ * @A: First ktime value
+ * @B: Second ktime value
+ * Returns: -1 if A < B, 0 if A == B, 1 if A > B
+ */
+#define ktime_compare_safe(A, B) \
+	ktime_compare(ktime_sub((A), (B)), ktime_set(0, 0))
+
+#define DPU_NAME_SIZE  12
+
+/*
+ * struct dpu_irq_callback - IRQ callback handlers
+ * @list: list to callback
+ * @func: intr handler
+ * @arg: argument for the handler
+ */
+struct dpu_irq_callback {
+	struct list_head list;
+	void (*func)(void *arg, int irq_idx);
+	void *arg;
+};
+
+/**
+ * struct dpu_irq: IRQ structure contains callback registration info
+ * @total_irq:    total number of irq_idx obtained from HW interrupts mapping
+ * @irq_cb_tbl:   array of IRQ callbacks setting
+ * @enable_counts array of IRQ enable counts
+ * @cb_lock:      callback lock
+ * @debugfs_file: debugfs file for irq statistics
+ */
+struct dpu_irq {
+	u32 total_irqs;
+	struct list_head *irq_cb_tbl;
+	atomic_t *enable_counts;
+	atomic_t *irq_counts;
+	spinlock_t cb_lock;
+};
+
+struct dpu_kms {
+	struct msm_kms base;
+	struct drm_device *dev;
+	int core_rev;
+	struct dpu_mdss_cfg *catalog;
+
+	/* io/register spaces: */
+	void __iomem *mmio, *vbif[VBIF_MAX], *reg_dma;
+
+	struct regulator *vdd;
+	struct regulator *mmagic;
+	struct regulator *venus;
+
+	struct dpu_hw_intr *hw_intr;
+	struct dpu_irq irq_obj;
+
+	struct dpu_core_perf perf;
+
+	/*
+	 * Global private object state, Do not access directly, use
+	 * dpu_kms_global_get_state()
+	 */
+	struct drm_modeset_lock global_state_lock;
+	struct drm_private_obj global_state;
+
+	struct dpu_rm rm;
+	bool rm_init;
+
+	struct dpu_hw_vbif *hw_vbif[VBIF_MAX];
+	struct dpu_hw_mdp *hw_mdp;
+
+	bool has_danger_ctrl;
+
+	struct platform_device *pdev;
+	bool rpm_enabled;
+
+	struct opp_table *opp_table;
+	bool has_opp_table;
+
+	struct dss_module_power mp;
+
+	/* reference count bandwidth requests, so we know when we can
+	 * release bandwidth.  Each atomic update increments, and frame-
+	 * done event decrements.  Additionally, for video mode, the
+	 * reference is incremented when crtc is enabled, and decremented
+	 * when disabled.
+	 */
+	atomic_t bandwidth_ref;
+	struct icc_path *path[2];
+	u32 num_paths;
+};
+
+struct vsync_info {
+	u32 frame_count;
+	u32 line_count;
+};
+
+#define to_dpu_kms(x) container_of(x, struct dpu_kms, base)
+
+#define to_dpu_global_state(x) container_of(x, struct dpu_global_state, base)
+
+/* Global private object state for tracking resources that are shared across
+ * multiple kms objects (planes/crtcs/etc).
+ */
+struct dpu_global_state {
+	struct drm_private_state base;
+
+	uint32_t pingpong_to_enc_id[PINGPONG_MAX - PINGPONG_0];
+	uint32_t mixer_to_enc_id[LM_MAX - LM_0];
+	uint32_t ctl_to_enc_id[CTL_MAX - CTL_0];
+	uint32_t intf_to_enc_id[INTF_MAX - INTF_0];
+	uint32_t dspp_to_enc_id[DSPP_MAX - DSPP_0];
+};
+
+struct dpu_global_state
+	*dpu_kms_get_existing_global_state(struct dpu_kms *dpu_kms);
+struct dpu_global_state
+	*__must_check dpu_kms_get_global_state(struct drm_atomic_state *s);
+
+/**
+ * Debugfs functions - extra helper functions for debugfs support
+ *
+ * Main debugfs documentation is located at,
+ *
+ * Documentation/filesystems/debugfs.rst
+ *
+ * @dpu_debugfs_setup_regset32: Initialize data for dpu_debugfs_create_regset32
+ * @dpu_debugfs_create_regset32: Create 32-bit register dump file
+ * @dpu_debugfs_get_root: Get root dentry for DPU_KMS's debugfs node
+ */
+
+/**
+ * Companion structure for dpu_debugfs_create_regset32. Do not initialize the
+ * members of this structure explicitly; use dpu_debugfs_setup_regset32 instead.
+ */
+struct dpu_debugfs_regset32 {
+	uint32_t offset;
+	uint32_t blk_len;
+	struct dpu_kms *dpu_kms;
+};
+
+/**
+ * dpu_debugfs_setup_regset32 - Initialize register block definition for debugfs
+ * This function is meant to initialize dpu_debugfs_regset32 structures for use
+ * with dpu_debugfs_create_regset32.
+ * @regset: opaque register definition structure
+ * @offset: sub-block offset
+ * @length: sub-block length, in bytes
+ * @dpu_kms: pointer to dpu kms structure
+ */
+void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset,
+		uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms);
+
+/**
+ * dpu_debugfs_create_regset32 - Create register read back file for debugfs
+ *
+ * This function is almost identical to the standard debugfs_create_regset32()
+ * function, with the main difference being that a list of register
+ * names/offsets do not need to be provided. The 'read' function simply outputs
+ * sequential register values over a specified range.
+ *
+ * Similar to the related debugfs_create_regset32 API, the structure pointed to
+ * by regset needs to persist for the lifetime of the created file. The calling
+ * code is responsible for initialization/management of this structure.
+ *
+ * The structure pointed to by regset is meant to be opaque. Please use
+ * dpu_debugfs_setup_regset32 to initialize it.
+ *
+ * @name:   File name within debugfs
+ * @mode:   File mode within debugfs
+ * @parent: Parent directory entry within debugfs, can be NULL
+ * @regset: Pointer to persistent register block definition
+ */
+void dpu_debugfs_create_regset32(const char *name, umode_t mode,
+		void *parent, struct dpu_debugfs_regset32 *regset);
+
+/**
+ * dpu_debugfs_get_root - Return root directory entry for KMS's debugfs
+ *
+ * The return value should be passed as the 'parent' argument to subsequent
+ * debugfs create calls.
+ *
+ * @dpu_kms: Pointer to DPU's KMS structure
+ *
+ * Return: dentry pointer for DPU's debugfs location
+ */
+void *dpu_debugfs_get_root(struct dpu_kms *dpu_kms);
+
+/**
+ * DPU info management functions
+ * These functions/definitions allow for building up a 'dpu_info' structure
+ * containing one or more "key=value\n" entries.
+ */
+#define DPU_KMS_INFO_MAX_SIZE	4096
+
+/**
+ * Vblank enable/disable functions
+ */
+int dpu_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
+void dpu_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc);
+
+void dpu_kms_encoder_enable(struct drm_encoder *encoder);
+
+/**
+ * dpu_kms_get_clk_rate() - get the clock rate
+ * @dpu_kms:  poiner to dpu_kms structure
+ * @clock_name: clock name to get the rate
+ *
+ * Return: current clock rate
+ */
+u64 dpu_kms_get_clk_rate(struct dpu_kms *dpu_kms, char *clock_name);
+
+#endif /* __dpu_kms_H__ */