1 files changed, 212 insertions, 12 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
index 81b56f066519..e8a76d5192c2 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
@@ -19,12 +19,28 @@
 
 /* These register are offset to mixer base + stage base */
 #define LM_BLEND0_OP                     0x00
+
+/* <v12 DPU with offset to mixer base + stage base */
 #define LM_BLEND0_CONST_ALPHA            0x04
 #define LM_FG_COLOR_FILL_COLOR_0         0x08
 #define LM_FG_COLOR_FILL_COLOR_1         0x0C
 #define LM_FG_COLOR_FILL_SIZE            0x10
 #define LM_FG_COLOR_FILL_XY              0x14
 
+/* >= v12 DPU */
+#define LM_BG_SRC_SEL_V12                0x14
+#define LM_BG_SRC_SEL_V12_RESET_VALUE    0x0000c0c0
+#define LM_BORDER_COLOR_0_V12            0x1c
+#define LM_BORDER_COLOR_1_V12            0x20
+
+/* >= v12 DPU with offset to mixer base + stage base */
+#define LM_BLEND0_FG_SRC_SEL_V12         0x04
+#define LM_BLEND0_CONST_ALPHA_V12        0x08
+#define LM_FG_COLOR_FILL_COLOR_0_V12     0x0c
+#define LM_FG_COLOR_FILL_COLOR_1_V12     0x10
+#define LM_FG_COLOR_FILL_SIZE_V12        0x14
+#define LM_FG_COLOR_FILL_XY_V12          0x18
+
 #define LM_BLEND0_FG_ALPHA               0x04
 #define LM_BLEND0_BG_ALPHA               0x08
 
@@ -83,6 +99,22 @@ static void dpu_hw_lm_setup_border_color(struct dpu_hw_mixer *ctx,
 	}
 }
 
+static void dpu_hw_lm_setup_border_color_v12(struct dpu_hw_mixer *ctx,
+					     struct dpu_mdss_color *color,
+					     u8 border_en)
+{
+	struct dpu_hw_blk_reg_map *c = &ctx->hw;
+
+	if (border_en) {
+		DPU_REG_WRITE(c, LM_BORDER_COLOR_0_V12,
+			      (color->color_0 & 0x3ff) |
+			      ((color->color_1 & 0x3ff) << 16));
+		DPU_REG_WRITE(c, LM_BORDER_COLOR_1_V12,
+			      (color->color_2 & 0x3ff) |
+			      ((color->color_3 & 0x3ff) << 16));
+	}
+}
+
 static void dpu_hw_lm_setup_misr(struct dpu_hw_mixer *ctx)
 {
 	dpu_hw_setup_misr(&ctx->hw, LM_MISR_CTRL, 0x0);
@@ -112,6 +144,27 @@ static void dpu_hw_lm_setup_blend_config_combined_alpha(struct dpu_hw_mixer *ctx
 	DPU_REG_WRITE(c, LM_BLEND0_OP + stage_off, blend_op);
 }
 
+static void
+dpu_hw_lm_setup_blend_config_combined_alpha_v12(struct dpu_hw_mixer *ctx,
+						u32 stage, u32 fg_alpha,
+						u32 bg_alpha, u32 blend_op)
+{
+	struct dpu_hw_blk_reg_map *c = &ctx->hw;
+	int stage_off;
+	u32 const_alpha;
+
+	if (stage == DPU_STAGE_BASE)
+		return;
+
+	stage_off = _stage_offset(ctx, stage);
+	if (WARN_ON(stage_off < 0))
+		return;
+
+	const_alpha = (bg_alpha & 0x3ff) | ((fg_alpha & 0x3ff) << 16);
+	DPU_REG_WRITE(c, LM_BLEND0_CONST_ALPHA_V12 + stage_off, const_alpha);
+	DPU_REG_WRITE(c, LM_BLEND0_OP + stage_off, blend_op);
+}
+
 static void dpu_hw_lm_setup_blend_config(struct dpu_hw_mixer *ctx,
 	u32 stage, u32 fg_alpha, u32 bg_alpha, u32 blend_op)
 {
@@ -144,18 +197,146 @@ static void dpu_hw_lm_setup_color3(struct dpu_hw_mixer *ctx,
 	DPU_REG_WRITE(c, LM_OP_MODE, op_mode);
 }
 
-static void _setup_mixer_ops(struct dpu_hw_lm_ops *ops,
-		unsigned long features)
+static void dpu_hw_lm_setup_color3_v12(struct dpu_hw_mixer *ctx,
+				       uint32_t mixer_op_mode)
+{
+	struct dpu_hw_blk_reg_map *c = &ctx->hw;
+	int op_mode, stages, stage_off, i;
+
+	stages = ctx->cap->sblk->maxblendstages;
+	if (stages <= 0)
+		return;
+
+	for (i = DPU_STAGE_0; i <= stages; i++) {
+		stage_off = _stage_offset(ctx, i);
+		if (WARN_ON(stage_off < 0))
+			return;
+
+		/* set color_out3 bit in blend0_op when enabled in mixer_op_mode */
+		op_mode = DPU_REG_READ(c, LM_BLEND0_OP + stage_off);
+		if (mixer_op_mode & BIT(i))
+			op_mode |= BIT(30);
+		else
+			op_mode &= ~BIT(30);
+
+		DPU_REG_WRITE(c, LM_BLEND0_OP + stage_off, op_mode);
+	}
+}
+
+static int _set_staged_sspp(u32 stage, struct dpu_hw_stage_cfg *stage_cfg,
+			    int pipes_per_stage, u32 *value)
 {
-	ops->setup_mixer_out = dpu_hw_lm_setup_out;
-	if (test_bit(DPU_MIXER_COMBINED_ALPHA, &features))
-		ops->setup_blend_config = dpu_hw_lm_setup_blend_config_combined_alpha;
+	int i;
+	u32 pipe_type = 0, pipe_id = 0, rec_id = 0;
+	u32 src_sel[PIPES_PER_STAGE];
+
+	*value = LM_BG_SRC_SEL_V12_RESET_VALUE;
+	if (!stage_cfg || !pipes_per_stage)
+		return 0;
+
+	for (i = 0; i < pipes_per_stage; i++) {
+		enum dpu_sspp pipe = stage_cfg->stage[stage][i];
+		enum dpu_sspp_multirect_index rect_index = stage_cfg->multirect_index[stage][i];
+
+		src_sel[i] = LM_BG_SRC_SEL_V12_RESET_VALUE;
+
+		if (!pipe)
+			continue;
+
+		/* translate pipe data to SWI pipe_type, pipe_id */
+		if (pipe >= SSPP_DMA0 && pipe <= SSPP_DMA5) {
+			pipe_type = 0;
+			pipe_id = pipe - SSPP_DMA0;
+		} else if (pipe >= SSPP_VIG0 && pipe <= SSPP_VIG3) {
+			pipe_type = 1;
+			pipe_id = pipe - SSPP_VIG0;
+		} else {
+			DPU_ERROR("invalid rec-%d pipe:%d\n", i, pipe);
+			return -EINVAL;
+		}
+
+		/* translate rec data to SWI rec_id */
+		if (rect_index == DPU_SSPP_RECT_SOLO || rect_index == DPU_SSPP_RECT_0) {
+			rec_id = 0;
+		} else if (rect_index == DPU_SSPP_RECT_1) {
+			rec_id = 1;
+		} else {
+			DPU_ERROR("invalid rec-%d rect_index:%d\n", i, rect_index);
+			rec_id = 0;
+		}
+
+		/* calculate SWI value for rec-0 and rec-1 and store it temporary buffer */
+		src_sel[i] = (((pipe_type & 0x3) << 6) | ((rec_id & 0x3) << 4) | (pipe_id & 0xf));
+	}
+
+	/* calculate final SWI register value for rec-0 and rec-1 */
+	*value = 0;
+	for (i = 0; i < pipes_per_stage; i++)
+		*value |= src_sel[i] << (i * 8);
+
+	return 0;
+}
+
+static int dpu_hw_lm_setup_blendstage(struct dpu_hw_mixer *ctx, enum dpu_lm lm,
+				      struct dpu_hw_stage_cfg *stage_cfg)
+{
+	struct dpu_hw_blk_reg_map *c = &ctx->hw;
+	int i, ret, stages, stage_off, pipes_per_stage;
+	u32 value;
+
+	stages = ctx->cap->sblk->maxblendstages;
+	if (stages <= 0)
+		return -EINVAL;
+
+	if (test_bit(DPU_MIXER_SOURCESPLIT, &ctx->cap->features))
+		pipes_per_stage = PIPES_PER_STAGE;
 	else
-		ops->setup_blend_config = dpu_hw_lm_setup_blend_config;
-	ops->setup_alpha_out = dpu_hw_lm_setup_color3;
-	ops->setup_border_color = dpu_hw_lm_setup_border_color;
-	ops->setup_misr = dpu_hw_lm_setup_misr;
-	ops->collect_misr = dpu_hw_lm_collect_misr;
+		pipes_per_stage = 1;
+
+	/*
+	 * When stage configuration is empty, we can enable the
+	 * border color by setting the corresponding LAYER_ACTIVE bit
+	 * and un-staging all the pipes from the layer mixer.
+	 */
+	if (!stage_cfg)
+		DPU_REG_WRITE(c, LM_BG_SRC_SEL_V12, LM_BG_SRC_SEL_V12_RESET_VALUE);
+
+	for (i = DPU_STAGE_0; i <= stages; i++) {
+		stage_off = _stage_offset(ctx, i);
+		if (stage_off < 0)
+			return stage_off;
+
+		ret = _set_staged_sspp(i, stage_cfg, pipes_per_stage, &value);
+		if (ret)
+			return ret;
+
+		DPU_REG_WRITE(c, LM_BLEND0_FG_SRC_SEL_V12 + stage_off, value);
+	}
+
+	return 0;
+}
+
+static int dpu_hw_lm_clear_all_blendstages(struct dpu_hw_mixer *ctx)
+{
+	struct dpu_hw_blk_reg_map *c = &ctx->hw;
+	int i, stages, stage_off;
+
+	stages = ctx->cap->sblk->maxblendstages;
+	if (stages <= 0)
+		return -EINVAL;
+
+	DPU_REG_WRITE(c, LM_BG_SRC_SEL_V12, LM_BG_SRC_SEL_V12_RESET_VALUE);
+
+	for (i = DPU_STAGE_0; i <= stages; i++) {
+		stage_off = _stage_offset(ctx, i);
+		if (stage_off < 0)
+			return stage_off;
+
+		DPU_REG_WRITE(c, LM_BLEND0_FG_SRC_SEL_V12 + stage_off,
+			      LM_BG_SRC_SEL_V12_RESET_VALUE);
+	}
+
+	return 0;
 }
 
 /**
@@ -164,10 +345,12 @@ static void _setup_mixer_ops(struct dpu_hw_lm_ops *ops,
  * @dev:  Corresponding device for devres management
  * @cfg:  mixer catalog entry for which driver object is required
  * @addr: mapped register io address of MDP
+ * @mdss_ver: DPU core's major and minor versions
  */
 struct dpu_hw_mixer *dpu_hw_lm_init(struct drm_device *dev,
 				    const struct dpu_lm_cfg *cfg,
-				    void __iomem *addr)
+				    void __iomem *addr,
+				    const struct dpu_mdss_version *mdss_ver)
 {
 	struct dpu_hw_mixer *c;
 
@@ -186,7 +369,24 @@ struct dpu_hw_mixer *dpu_hw_lm_init(struct drm_device *dev,
 	/* Assign ops */
 	c->idx = cfg->id;
 	c->cap = cfg;
-	_setup_mixer_ops(&c->ops, c->cap->features);
+	c->ops.setup_mixer_out = dpu_hw_lm_setup_out;
+	if (mdss_ver->core_major_ver >= 12)
+		c->ops.setup_blend_config = dpu_hw_lm_setup_blend_config_combined_alpha_v12;
+	else if (mdss_ver->core_major_ver >= 4)
+		c->ops.setup_blend_config = dpu_hw_lm_setup_blend_config_combined_alpha;
+	else
+		c->ops.setup_blend_config = dpu_hw_lm_setup_blend_config;
+	if (mdss_ver->core_major_ver < 12) {
+		c->ops.setup_alpha_out = dpu_hw_lm_setup_color3;
+		c->ops.setup_border_color = dpu_hw_lm_setup_border_color;
+	} else {
+		c->ops.setup_alpha_out = dpu_hw_lm_setup_color3_v12;
+		c->ops.setup_blendstage = dpu_hw_lm_setup_blendstage;
+		c->ops.clear_all_blendstages = dpu_hw_lm_clear_all_blendstages;
+		c->ops.setup_border_color = dpu_hw_lm_setup_border_color_v12;
+	}
+	c->ops.setup_misr = dpu_hw_lm_setup_misr;
+	c->ops.collect_misr = dpu_hw_lm_collect_misr;
 
 	return c;
 }