Merging upstream version 6.10.3.

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

1 files changed, 346 insertions, 0 deletions

diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
new file mode 100644
index 0000000000..ecf6dc283c
--- /dev/null
+++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.h
@@ -0,0 +1,346 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2015 MediaTek Inc.
+ */
+
+#ifndef MTK_DDP_COMP_H
+#define MTK_DDP_COMP_H
+
+#include <linux/io.h>
+#include <linux/pm_runtime.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
+#include <linux/soc/mediatek/mtk-mmsys.h>
+#include <linux/soc/mediatek/mtk-mutex.h>
+
+#include <drm/drm_modes.h>
+
+struct device;
+struct device_node;
+struct drm_crtc;
+struct drm_device;
+struct mtk_plane_state;
+struct drm_crtc_state;
+
+enum mtk_ddp_comp_type {
+	MTK_DISP_AAL,
+	MTK_DISP_BLS,
+	MTK_DISP_CCORR,
+	MTK_DISP_COLOR,
+	MTK_DISP_DITHER,
+	MTK_DISP_DSC,
+	MTK_DISP_GAMMA,
+	MTK_DISP_MERGE,
+	MTK_DISP_MUTEX,
+	MTK_DISP_OD,
+	MTK_DISP_OVL,
+	MTK_DISP_OVL_2L,
+	MTK_DISP_OVL_ADAPTOR,
+	MTK_DISP_POSTMASK,
+	MTK_DISP_PWM,
+	MTK_DISP_RDMA,
+	MTK_DISP_UFOE,
+	MTK_DISP_WDMA,
+	MTK_DPI,
+	MTK_DP_INTF,
+	MTK_DSI,
+	MTK_DDP_COMP_TYPE_MAX,
+};
+
+struct mtk_ddp_comp;
+struct cmdq_pkt;
+struct mtk_ddp_comp_funcs {
+	int (*power_on)(struct device *dev);
+	void (*power_off)(struct device *dev);
+	int (*clk_enable)(struct device *dev);
+	void (*clk_disable)(struct device *dev);
+	void (*config)(struct device *dev, unsigned int w,
+		       unsigned int h, unsigned int vrefresh,
+		       unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
+	void (*start)(struct device *dev);
+	void (*stop)(struct device *dev);
+	void (*register_vblank_cb)(struct device *dev,
+				   void (*vblank_cb)(void *),
+				   void *vblank_cb_data);
+	void (*unregister_vblank_cb)(struct device *dev);
+	void (*enable_vblank)(struct device *dev);
+	void (*disable_vblank)(struct device *dev);
+	unsigned int (*supported_rotations)(struct device *dev);
+	unsigned int (*layer_nr)(struct device *dev);
+	int (*layer_check)(struct device *dev,
+			   unsigned int idx,
+			   struct mtk_plane_state *state);
+	void (*layer_config)(struct device *dev, unsigned int idx,
+			     struct mtk_plane_state *state,
+			     struct cmdq_pkt *cmdq_pkt);
+	unsigned int (*gamma_get_lut_size)(struct device *dev);
+	void (*gamma_set)(struct device *dev,
+			  struct drm_crtc_state *state);
+	void (*bgclr_in_on)(struct device *dev);
+	void (*bgclr_in_off)(struct device *dev);
+	void (*ctm_set)(struct device *dev,
+			struct drm_crtc_state *state);
+	struct device * (*dma_dev_get)(struct device *dev);
+	const u32 *(*get_formats)(struct device *dev);
+	size_t (*get_num_formats)(struct device *dev);
+	void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
+	void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next);
+	void (*add)(struct device *dev, struct mtk_mutex *mutex);
+	void (*remove)(struct device *dev, struct mtk_mutex *mutex);
+	unsigned int (*encoder_index)(struct device *dev);
+	enum drm_mode_status (*mode_valid)(struct device *dev, const struct drm_display_mode *mode);
+};
+
+struct mtk_ddp_comp {
+	struct device *dev;
+	int irq;
+	unsigned int id;
+	int encoder_index;
+	const struct mtk_ddp_comp_funcs *funcs;
+};
+
+static inline int mtk_ddp_comp_power_on(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->power_on)
+		return comp->funcs->power_on(comp->dev);
+	else
+		return pm_runtime_resume_and_get(comp->dev);
+	return 0;
+}
+
+static inline void mtk_ddp_comp_power_off(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->power_off)
+		comp->funcs->power_off(comp->dev);
+	else
+		pm_runtime_put(comp->dev);
+}
+
+static inline int mtk_ddp_comp_clk_enable(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->clk_enable)
+		return comp->funcs->clk_enable(comp->dev);
+
+	return 0;
+}
+
+static inline void mtk_ddp_comp_clk_disable(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->clk_disable)
+		comp->funcs->clk_disable(comp->dev);
+}
+
+static inline
+enum drm_mode_status mtk_ddp_comp_mode_valid(struct mtk_ddp_comp *comp,
+					     const struct drm_display_mode *mode)
+{
+	if (comp && comp->funcs && comp->funcs->mode_valid)
+		return comp->funcs->mode_valid(comp->dev, mode);
+	return MODE_OK;
+}
+
+static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
+				       unsigned int w, unsigned int h,
+				       unsigned int vrefresh, unsigned int bpc,
+				       struct cmdq_pkt *cmdq_pkt)
+{
+	if (comp->funcs && comp->funcs->config)
+		comp->funcs->config(comp->dev, w, h, vrefresh, bpc, cmdq_pkt);
+}
+
+static inline void mtk_ddp_comp_start(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->start)
+		comp->funcs->start(comp->dev);
+}
+
+static inline void mtk_ddp_comp_stop(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->stop)
+		comp->funcs->stop(comp->dev);
+}
+
+static inline void mtk_ddp_comp_register_vblank_cb(struct mtk_ddp_comp *comp,
+						   void (*vblank_cb)(void *),
+						   void *vblank_cb_data)
+{
+	if (comp->funcs && comp->funcs->register_vblank_cb)
+		comp->funcs->register_vblank_cb(comp->dev, vblank_cb,
+						vblank_cb_data);
+}
+
+static inline void mtk_ddp_comp_unregister_vblank_cb(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->unregister_vblank_cb)
+		comp->funcs->unregister_vblank_cb(comp->dev);
+}
+
+static inline void mtk_ddp_comp_enable_vblank(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->enable_vblank)
+		comp->funcs->enable_vblank(comp->dev);
+}
+
+static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->disable_vblank)
+		comp->funcs->disable_vblank(comp->dev);
+}
+
+static inline
+unsigned int mtk_ddp_comp_supported_rotations(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->supported_rotations)
+		return comp->funcs->supported_rotations(comp->dev);
+
+	/*
+	 * In order to pass IGT tests, DRM_MODE_ROTATE_0 is required when
+	 * rotation is not supported.
+	 */
+	return DRM_MODE_ROTATE_0;
+}
+
+static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->layer_nr)
+		return comp->funcs->layer_nr(comp->dev);
+
+	return 0;
+}
+
+static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
+					   unsigned int idx,
+					   struct mtk_plane_state *state)
+{
+	if (comp->funcs && comp->funcs->layer_check)
+		return comp->funcs->layer_check(comp->dev, idx, state);
+	return 0;
+}
+
+static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
+					     unsigned int idx,
+					     struct mtk_plane_state *state,
+					     struct cmdq_pkt *cmdq_pkt)
+{
+	if (comp->funcs && comp->funcs->layer_config)
+		comp->funcs->layer_config(comp->dev, idx, state, cmdq_pkt);
+}
+
+static inline unsigned int mtk_ddp_gamma_get_lut_size(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->gamma_get_lut_size)
+		return comp->funcs->gamma_get_lut_size(comp->dev);
+
+	return 0;
+}
+
+static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
+				     struct drm_crtc_state *state)
+{
+	if (comp->funcs && comp->funcs->gamma_set)
+		comp->funcs->gamma_set(comp->dev, state);
+}
+
+static inline void mtk_ddp_comp_bgclr_in_on(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->bgclr_in_on)
+		comp->funcs->bgclr_in_on(comp->dev);
+}
+
+static inline void mtk_ddp_comp_bgclr_in_off(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->bgclr_in_off)
+		comp->funcs->bgclr_in_off(comp->dev);
+}
+
+static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
+				   struct drm_crtc_state *state)
+{
+	if (comp->funcs && comp->funcs->ctm_set)
+		comp->funcs->ctm_set(comp->dev, state);
+}
+
+static inline struct device *mtk_ddp_comp_dma_dev_get(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->dma_dev_get)
+		return comp->funcs->dma_dev_get(comp->dev);
+	return comp->dev;
+}
+
+static inline
+const u32 *mtk_ddp_comp_get_formats(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->get_formats)
+		return comp->funcs->get_formats(comp->dev);
+
+	return NULL;
+}
+
+static inline
+size_t mtk_ddp_comp_get_num_formats(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->get_num_formats)
+		return comp->funcs->get_num_formats(comp->dev);
+
+	return 0;
+}
+
+static inline bool mtk_ddp_comp_add(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
+{
+	if (comp->funcs && comp->funcs->add) {
+		comp->funcs->add(comp->dev, mutex);
+		return true;
+	}
+	return false;
+}
+
+static inline bool mtk_ddp_comp_remove(struct mtk_ddp_comp *comp, struct mtk_mutex *mutex)
+{
+	if (comp->funcs && comp->funcs->remove) {
+		comp->funcs->remove(comp->dev, mutex);
+		return true;
+	}
+	return false;
+}
+
+static inline bool mtk_ddp_comp_connect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
+					unsigned int next)
+{
+	if (comp->funcs && comp->funcs->connect) {
+		comp->funcs->connect(comp->dev, mmsys_dev, next);
+		return true;
+	}
+	return false;
+}
+
+static inline bool mtk_ddp_comp_disconnect(struct mtk_ddp_comp *comp, struct device *mmsys_dev,
+					   unsigned int next)
+{
+	if (comp->funcs && comp->funcs->disconnect) {
+		comp->funcs->disconnect(comp->dev, mmsys_dev, next);
+		return true;
+	}
+	return false;
+}
+
+static inline void mtk_ddp_comp_encoder_index_set(struct mtk_ddp_comp *comp)
+{
+	if (comp->funcs && comp->funcs->encoder_index)
+		comp->encoder_index = (int)comp->funcs->encoder_index(comp->dev);
+}
+
+int mtk_ddp_comp_get_id(struct device_node *node,
+			enum mtk_ddp_comp_type comp_type);
+int mtk_find_possible_crtcs(struct drm_device *drm, struct device *dev);
+int mtk_ddp_comp_init(struct device_node *comp_node, struct mtk_ddp_comp *comp,
+		      unsigned int comp_id);
+enum mtk_ddp_comp_type mtk_ddp_comp_get_type(unsigned int comp_id);
+void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+		   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
+		   unsigned int offset);
+void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+			   struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
+			   unsigned int offset);
+void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+			struct cmdq_client_reg *cmdq_reg, void __iomem *regs,
+			unsigned int offset, unsigned int mask);
+#endif /* MTK_DDP_COMP_H */