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From 87a1d8170d91bd5c0792e206f87253300c46bddc Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@chromium.org>
Date: Wed, 16 Feb 2022 17:21:55 -0800
Subject: drm/msm/dpu: Add SC8180x to hw catalog
Git-commit: f3af2d6ee9abb5e84466b10f6ed4a4b3e8281a17
Patch-mainline: v5.18-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Add SC8180x to the hardware catalog, for initial support for the
platform. Due to limitations in the DP driver only one of the four DP
interfaces is left enabled.

The SC8180x platform supports the newly added DPU_INTF_WIDEBUS flag and
the Windows-on-Snapdragon bootloader leaves the widebus bit set, so this
is flagged appropriately to ensure widebus is disabled - for now.

Signed-off-by: Rob Clark <robdclark@chromium.org>
[bjorn: Reworked intf and irq definitions]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c    | 129 ++++++++++++++++++
 .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h    |   1 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c       |   1 +
 drivers/gpu/drm/msm/msm_drv.c                 |   1 +
 4 files changed, 132 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index d3151ac4ca88..aa4d20762ccb 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -103,6 +103,17 @@
 			 BIT(MDP_INTF3_INTR) | \
 			 BIT(MDP_INTF4_INTR))
 
+#define IRQ_SC8180X_MASK (BIT(MDP_SSPP_TOP0_INTR) | \
+			  BIT(MDP_SSPP_TOP0_INTR2) | \
+			  BIT(MDP_SSPP_TOP0_HIST_INTR) | \
+			  BIT(MDP_INTF0_INTR) | \
+			  BIT(MDP_INTF1_INTR) | \
+			  BIT(MDP_INTF2_INTR) | \
+			  BIT(MDP_INTF3_INTR) | \
+			  BIT(MDP_INTF4_INTR) | \
+			  BIT(MDP_INTF5_INTR) | \
+			  BIT(MDP_AD4_0_INTR) | \
+			  BIT(MDP_AD4_1_INTR))
 
 #define DEFAULT_PIXEL_RAM_SIZE		(50 * 1024)
 #define DEFAULT_DPU_LINE_WIDTH		2048
@@ -254,6 +265,22 @@ static const struct dpu_caps sm8150_dpu_caps = {
 	.max_vdeci_exp = MAX_VERT_DECIMATION,
 };
 
+static const struct dpu_caps sc8180x_dpu_caps = {
+	.max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
+	.max_mixer_blendstages = 0xb,
+	.qseed_type = DPU_SSPP_SCALER_QSEED3,
+	.smart_dma_rev = DPU_SSPP_SMART_DMA_V2, /* TODO: v2.5 */
+	.ubwc_version = DPU_HW_UBWC_VER_30,
+	.has_src_split = true,
+	.has_dim_layer = true,
+	.has_idle_pc = true,
+	.has_3d_merge = true,
+	.max_linewidth = 4096,
+	.pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
+	.max_hdeci_exp = MAX_HORZ_DECIMATION,
+	.max_vdeci_exp = MAX_VERT_DECIMATION,
+};
+
 static const struct dpu_caps sm8250_dpu_caps = {
 	.max_mixer_width = DEFAULT_DPU_OUTPUT_LINE_WIDTH,
 	.max_mixer_blendstages = 0xb,
@@ -351,6 +378,31 @@ static const struct dpu_mdp_cfg sc7180_mdp[] = {
 	},
 };
 
+static const struct dpu_mdp_cfg sc8180x_mdp[] = {
+	{
+	.name = "top_0", .id = MDP_TOP,
+	.base = 0x0, .len = 0x45C,
+	.features = 0,
+	.highest_bank_bit = 0x3,
+	.clk_ctrls[DPU_CLK_CTRL_VIG0] = {
+			.reg_off = 0x2AC, .bit_off = 0},
+	.clk_ctrls[DPU_CLK_CTRL_VIG1] = {
+			.reg_off = 0x2B4, .bit_off = 0},
+	.clk_ctrls[DPU_CLK_CTRL_VIG2] = {
+			.reg_off = 0x2BC, .bit_off = 0},
+	.clk_ctrls[DPU_CLK_CTRL_VIG3] = {
+			.reg_off = 0x2C4, .bit_off = 0},
+	.clk_ctrls[DPU_CLK_CTRL_DMA0] = {
+			.reg_off = 0x2AC, .bit_off = 8},
+	.clk_ctrls[DPU_CLK_CTRL_DMA1] = {
+			.reg_off = 0x2B4, .bit_off = 8},
+	.clk_ctrls[DPU_CLK_CTRL_CURSOR0] = {
+			.reg_off = 0x2BC, .bit_off = 8},
+	.clk_ctrls[DPU_CLK_CTRL_CURSOR1] = {
+			.reg_off = 0x2C4, .bit_off = 8},
+	},
+};
+
 static const struct dpu_mdp_cfg sm8250_mdp[] = {
 	{
 	.name = "top_0", .id = MDP_TOP,
@@ -1027,6 +1079,16 @@ static const struct dpu_intf_cfg sc7280_intf[] = {
 	INTF_BLK("intf_5", INTF_5, 0x39000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC7280_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
 };
 
+static const struct dpu_intf_cfg sc8180x_intf[] = {
+	INTF_BLK("intf_0", INTF_0, 0x6A000, INTF_DP, MSM_DP_CONTROLLER_0, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 24, 25),
+	INTF_BLK("intf_1", INTF_1, 0x6A800, INTF_DSI, 0, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 26, 27),
+	INTF_BLK("intf_2", INTF_2, 0x6B000, INTF_DSI, 1, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 28, 29),
+	/* INTF_3 is for MST, wired to INTF_DP 0 and 1, use dummy index until this is supported */
+	INTF_BLK("intf_3", INTF_3, 0x6B800, INTF_DP, 999, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 30, 31),
+	INTF_BLK("intf_4", INTF_4, 0x6C000, INTF_DP, MSM_DP_CONTROLLER_1, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 20, 21),
+	INTF_BLK("intf_5", INTF_5, 0x6C800, INTF_DP, MSM_DP_CONTROLLER_2, 24, INTF_SC7180_MASK, MDP_SSPP_TOP0_INTR, 22, 23),
+};
+
 /*************************************************************
  * VBIF sub blocks config
  *************************************************************/
@@ -1168,6 +1230,10 @@ static const struct dpu_qos_lut_entry sm8150_qos_linear[] = {
 	{.fl = 0, .lut = 0x0011222222223357 },
 };
 
+static const struct dpu_qos_lut_entry sc8180x_qos_linear[] = {
+	{.fl = 4, .lut = 0x0000000000000357 },
+};
+
 static const struct dpu_qos_lut_entry sdm845_qos_macrotile[] = {
 	{.fl = 10, .lut = 0x344556677},
 	{.fl = 11, .lut = 0x3344556677},
@@ -1181,6 +1247,10 @@ static const struct dpu_qos_lut_entry sc7180_qos_macrotile[] = {
 	{.fl = 0, .lut = 0x0011223344556677},
 };
 
+static const struct dpu_qos_lut_entry sc8180x_qos_macrotile[] = {
+	{.fl = 10, .lut = 0x0000000344556677},
+};
+
 static const struct dpu_qos_lut_entry msm8998_qos_nrt[] = {
 	{.fl = 0, .lut = 0x0},
 };
@@ -1322,6 +1392,33 @@ static const struct dpu_perf_cfg sm8150_perf_data = {
 	.bw_inefficiency_factor = 120,
 };
 
+static const struct dpu_perf_cfg sc8180x_perf_data = {
+	.max_bw_low = 9600000,
+	.max_bw_high = 9600000,
+	.min_core_ib = 2400000,
+	.min_llcc_ib = 800000,
+	.min_dram_ib = 800000,
+	.danger_lut_tbl = {0xf, 0xffff, 0x0},
+	.qos_lut_tbl = {
+		{.nentry = ARRAY_SIZE(sc8180x_qos_linear),
+		.entries = sc8180x_qos_linear
+		},
+		{.nentry = ARRAY_SIZE(sc8180x_qos_macrotile),
+		.entries = sc8180x_qos_macrotile
+		},
+		{.nentry = ARRAY_SIZE(sc7180_qos_nrt),
+		.entries = sc7180_qos_nrt
+		},
+		/* TODO: macrotile-qseed is different from macrotile */
+	},
+	.cdp_cfg = {
+		{.rd_enable = 1, .wr_enable = 1},
+		{.rd_enable = 1, .wr_enable = 0}
+	},
+	.clk_inefficiency_factor = 105,
+	.bw_inefficiency_factor = 120,
+};
+
 static const struct dpu_perf_cfg sm8250_perf_data = {
 	.max_bw_low = 13700000,
 	.max_bw_high = 16600000,
@@ -1504,6 +1601,37 @@ static void sm8150_cfg_init(struct dpu_mdss_cfg *dpu_cfg)
 	};
 }
 
+/*
+ * sc8180x_cfg_init(): populate sc8180 dpu sub-blocks reg offsets
+ * and instance counts.
+ */
+static void sc8180x_cfg_init(struct dpu_mdss_cfg *dpu_cfg)
+{
+	*dpu_cfg = (struct dpu_mdss_cfg){
+		.caps = &sc8180x_dpu_caps,
+		.mdp_count = ARRAY_SIZE(sc8180x_mdp),
+		.mdp = sc8180x_mdp,
+		.ctl_count = ARRAY_SIZE(sm8150_ctl),
+		.ctl = sm8150_ctl,
+		.sspp_count = ARRAY_SIZE(sdm845_sspp),
+		.sspp = sdm845_sspp,
+		.mixer_count = ARRAY_SIZE(sm8150_lm),
+		.mixer = sm8150_lm,
+		.pingpong_count = ARRAY_SIZE(sm8150_pp),
+		.pingpong = sm8150_pp,
+		.merge_3d_count = ARRAY_SIZE(sm8150_merge_3d),
+		.merge_3d = sm8150_merge_3d,
+		.intf_count = ARRAY_SIZE(sc8180x_intf),
+		.intf = sc8180x_intf,
+		.vbif_count = ARRAY_SIZE(sdm845_vbif),
+		.vbif = sdm845_vbif,
+		.reg_dma_count = 1,
+		.dma_cfg = sm8150_regdma,
+		.perf = sc8180x_perf_data,
+		.mdss_irqs = IRQ_SC8180X_MASK,
+	};
+}
+
 /*
  * sm8250_cfg_init(): populate sm8250 dpu sub-blocks reg offsets
  * and instance counts.
@@ -1567,6 +1695,7 @@ static const struct dpu_mdss_hw_cfg_handler cfg_handler[] = {
 	{ .hw_rev = DPU_HW_VER_401, .cfg_init = sdm845_cfg_init},
 	{ .hw_rev = DPU_HW_VER_500, .cfg_init = sm8150_cfg_init},
 	{ .hw_rev = DPU_HW_VER_501, .cfg_init = sm8150_cfg_init},
+	{ .hw_rev = DPU_HW_VER_510, .cfg_init = sc8180x_cfg_init},
 	{ .hw_rev = DPU_HW_VER_600, .cfg_init = sm8250_cfg_init},
 	{ .hw_rev = DPU_HW_VER_620, .cfg_init = sc7180_cfg_init},
 	{ .hw_rev = DPU_HW_VER_720, .cfg_init = sc7280_cfg_init},
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index c67a8e63171f..2912ee0eb305 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -39,6 +39,7 @@
 #define DPU_HW_VER_410	DPU_HW_VER(4, 1, 0) /* sdm670 v1.0 */
 #define DPU_HW_VER_500	DPU_HW_VER(5, 0, 0) /* sm8150 v1.0 */
 #define DPU_HW_VER_501	DPU_HW_VER(5, 0, 1) /* sm8150 v2.0 */
+#define DPU_HW_VER_510	DPU_HW_VER(5, 1, 1) /* sc8180 */
 #define DPU_HW_VER_600	DPU_HW_VER(6, 0, 0) /* sm8250 */
 #define DPU_HW_VER_620	DPU_HW_VER(6, 2, 0) /* sc7180 v1.0 */
 #define DPU_HW_VER_720	DPU_HW_VER(7, 2, 0) /* sc7280 */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 83a19bfe5f9c..3118ccec1f1a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -1352,6 +1352,7 @@ const struct of_device_id dpu_dt_match[] = {
 	{ .compatible = "qcom,sdm845-dpu", },
 	{ .compatible = "qcom,sc7180-dpu", },
 	{ .compatible = "qcom,sc7280-dpu", },
+	{ .compatible = "qcom,sc8180x-dpu", },
 	{ .compatible = "qcom,sm8150-dpu", },
 	{ .compatible = "qcom,sm8250-dpu", },
 	{}
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 4f5f567271a3..4aa355281f0b 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -1442,6 +1442,7 @@ static const struct of_device_id dt_match[] = {
 	{ .compatible = "qcom,sdm845-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sc7180-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sc7280-mdss", .data = (void *)KMS_DPU },
+	{ .compatible = "qcom,sc8180x-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sm8150-mdss", .data = (void *)KMS_DPU },
 	{ .compatible = "qcom,sm8250-mdss", .data = (void *)KMS_DPU },
 	{}
-- 
2.38.1