Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 146 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h
new file mode 100644
index 0000000000..4e86108bee
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.h
@@ -0,0 +1,146 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DPU_HW_INTF_H
+#define _DPU_HW_INTF_H
+
+#include "dpu_hw_catalog.h"
+#include "dpu_hw_mdss.h"
+#include "dpu_hw_util.h"
+
+struct dpu_hw_intf;
+
+/* intf timing settings */
+struct dpu_hw_intf_timing_params {
+	u32 width;		/* active width */
+	u32 height;		/* active height */
+	u32 xres;		/* Display panel width */
+	u32 yres;		/* Display panel height */
+
+	u32 h_back_porch;
+	u32 h_front_porch;
+	u32 v_back_porch;
+	u32 v_front_porch;
+	u32 hsync_pulse_width;
+	u32 vsync_pulse_width;
+	u32 hsync_polarity;
+	u32 vsync_polarity;
+	u32 border_clr;
+	u32 underflow_clr;
+	u32 hsync_skew;
+
+	bool wide_bus_en;
+};
+
+struct dpu_hw_intf_prog_fetch {
+	u8 enable;
+	/* vsync counter for the front porch pixel line */
+	u32 fetch_start;
+};
+
+struct dpu_hw_intf_status {
+	u8 is_en;		/* interface timing engine is enabled or not */
+	u8 is_prog_fetch_en;	/* interface prog fetch counter is enabled or not */
+	u32 frame_count;	/* frame count since timing engine enabled */
+	u32 line_count;		/* current line count including blanking */
+};
+
+struct dpu_hw_intf_cmd_mode_cfg {
+	u8 data_compress;	/* enable data compress between dpu and dsi */
+};
+
+/**
+ * struct dpu_hw_intf_ops : Interface to the interface Hw driver functions
+ *  Assumption is these functions will be called after clocks are enabled
+ * @ setup_timing_gen : programs the timing engine
+ * @ setup_prog_fetch : enables/disables the programmable fetch logic
+ * @ enable_timing: enable/disable timing engine
+ * @ get_status: returns if timing engine is enabled or not
+ * @ get_line_count: reads current vertical line counter
+ * @bind_pingpong_blk: enable/disable the connection with pingpong which will
+ *                     feed pixels to this interface
+ * @setup_misr: enable/disable MISR
+ * @collect_misr: read MISR signature
+ * @enable_tearcheck:           Enables vsync generation and sets up init value of read
+ *                              pointer and programs the tear check configuration
+ * @disable_tearcheck:          Disables tearcheck block
+ * @connect_external_te:        Read, modify, write to either set or clear listening to external TE
+ *                              Return: 1 if TE was originally connected, 0 if not, or -ERROR
+ * @get_vsync_info:             Provides the programmed and current line_count
+ * @setup_autorefresh:          Configure and enable the autorefresh config
+ * @get_autorefresh:            Retrieve autorefresh config from hardware
+ *                              Return: 0 on success, -ETIMEDOUT on timeout
+ * @vsync_sel:                  Select vsync signal for tear-effect configuration
+ * @program_intf_cmd_cfg:       Program the DPU to interface datapath for command mode
+ */
+struct dpu_hw_intf_ops {
+	void (*setup_timing_gen)(struct dpu_hw_intf *intf,
+			const struct dpu_hw_intf_timing_params *p,
+			const struct dpu_format *fmt);
+
+	void (*setup_prg_fetch)(struct dpu_hw_intf *intf,
+			const struct dpu_hw_intf_prog_fetch *fetch);
+
+	void (*enable_timing)(struct dpu_hw_intf *intf,
+			u8 enable);
+
+	void (*get_status)(struct dpu_hw_intf *intf,
+			struct dpu_hw_intf_status *status);
+
+	u32 (*get_line_count)(struct dpu_hw_intf *intf);
+
+	void (*bind_pingpong_blk)(struct dpu_hw_intf *intf,
+			const enum dpu_pingpong pp);
+	void (*setup_misr)(struct dpu_hw_intf *intf);
+	int (*collect_misr)(struct dpu_hw_intf *intf, u32 *misr_value);
+
+	// Tearcheck on INTF since DPU 5.0.0
+
+	int (*enable_tearcheck)(struct dpu_hw_intf *intf, struct dpu_hw_tear_check *cfg);
+
+	int (*disable_tearcheck)(struct dpu_hw_intf *intf);
+
+	int (*connect_external_te)(struct dpu_hw_intf *intf, bool enable_external_te);
+
+	void (*vsync_sel)(struct dpu_hw_intf *intf, u32 vsync_source);
+
+	/**
+	 * Disable autorefresh if enabled
+	 */
+	void (*disable_autorefresh)(struct dpu_hw_intf *intf, uint32_t encoder_id, u16 vdisplay);
+
+	void (*program_intf_cmd_cfg)(struct dpu_hw_intf *intf,
+				     struct dpu_hw_intf_cmd_mode_cfg *cmd_mode_cfg);
+};
+
+struct dpu_hw_intf {
+	struct dpu_hw_blk_reg_map hw;
+
+	/* intf */
+	enum dpu_intf idx;
+	const struct dpu_intf_cfg *cap;
+
+	/* ops */
+	struct dpu_hw_intf_ops ops;
+};
+
+/**
+ * dpu_hw_intf_init() - Initializes the INTF driver for the passed
+ * interface catalog entry.
+ * @cfg:  interface catalog entry for which driver object is required
+ * @addr: mapped register io address of MDP
+ * @mdss_rev: dpu core's major and minor versions
+ */
+struct dpu_hw_intf *dpu_hw_intf_init(const struct dpu_intf_cfg *cfg,
+		void __iomem *addr, const struct dpu_mdss_version *mdss_rev);
+
+/**
+ * dpu_hw_intf_destroy(): Destroys INTF driver context
+ * @intf:   Pointer to INTF driver context
+ */
+void dpu_hw_intf_destroy(struct dpu_hw_intf *intf);
+
+#endif /*_DPU_HW_INTF_H */