linux-kernel - [PATCH v6,4/4] drm/mediatek: dp: Add support MT8188 dp/edp function

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Message-ID: <20230822024155.26670-5-shuijing.li@mediatek.com>
Date:   Tue, 22 Aug 2023 10:41:55 +0800
From:   Shuijing Li <shuijing.li@...iatek.com>
To:     <chunkuang.hu@...nel.org>, <p.zabel@...gutronix.de>,
        <airlied@...il.com>, <daniel@...ll.ch>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <matthias.bgg@...il.com>,
        <angelogioacchino.delregno@...labora.com>, <jitao.shi@...iatek.com>
CC:     <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>,
        Shuijing Li <shuijing.li@...iatek.com>
Subject: [PATCH v6,4/4] drm/mediatek: dp: Add support MT8188 dp/edp function

Add support MT8188 dp/edp function

Signed-off-by: Shuijing Li <shuijing.li@...iatek.com>
---
Changes in v6:
Move audio function to patch [2/4].
per suggestion from the previous thread:
https://lore.kernel.org/all/1d41747060c613ca0ae8e3b6395cc33bfa4d9056.camel@mediatek.com/
Changes in v5:
Separate mt8188 related code into mtk_dp_data structure and mt8188 dp/edp function
per suggestion from the previous thread:
https://lore.kernel.org/lkml/c1c84616f3da83a8a2bc245b0d3c7697153cd81a.camel@mediatek.com/
---
 drivers/gpu/drm/mediatek/mtk_dp.c     | 17 +++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_dp_reg.h |  6 ++++++
 2 files changed, 23 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dp.c b/drivers/gpu/drm/mediatek/mtk_dp.c
index 0ba9a4fdf839..67986dd7c9d7 100644
--- a/drivers/gpu/drm/mediatek/mtk_dp.c
+++ b/drivers/gpu/drm/mediatek/mtk_dp.c
@@ -2631,6 +2631,15 @@ static int mtk_dp_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(mtk_dp_pm_ops, mtk_dp_suspend, mtk_dp_resume);
 
+static const struct mtk_dp_data mt8188_dp_data = {
+	.bridge_type = DRM_MODE_CONNECTOR_DisplayPort,
+	.smc_cmd = MTK_DP_SIP_ATF_VIDEO_UNMUTE,
+	.efuse_fmt = mt8195_dp_efuse_fmt,
+	.audio_supported = true,
+	.audio_pkt_in_hblank_area = true,
+	.audio_m_div2_bit = MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2,
+};
+
 static const struct mtk_dp_data mt8195_edp_data = {
 	.bridge_type = DRM_MODE_CONNECTOR_eDP,
 	.smc_cmd = MTK_DP_SIP_ATF_EDP_VIDEO_UNMUTE,
@@ -2648,6 +2657,14 @@ static const struct mtk_dp_data mt8195_dp_data = {
 };
 
 static const struct of_device_id mtk_dp_of_match[] = {
+	{
+		.compatible = "mediatek,mt8188-edp-tx",
+		.data = &mt8195_edp_data,
+	},
+	{
+		.compatible = "mediatek,mt8188-dp-tx",
+		.data = &mt8188_dp_data,
+	},
 	{
 		.compatible = "mediatek,mt8195-edp-tx",
 		.data = &mt8195_edp_data,
diff --git a/drivers/gpu/drm/mediatek/mtk_dp_reg.h b/drivers/gpu/drm/mediatek/mtk_dp_reg.h
index b9859ef067ce..709b79480693 100644
--- a/drivers/gpu/drm/mediatek/mtk_dp_reg.h
+++ b/drivers/gpu/drm/mediatek/mtk_dp_reg.h
@@ -165,6 +165,12 @@
 #define MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2	(5 << 8)
 #define MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_4	(6 << 8)
 #define MT8195_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_8	(7 << 8)
+#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MUL_2	(1 << 8)
+#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MUL_4	(2 << 8)
+#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_MUL_8	(3 << 8)
+#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_2	(4 << 8)
+#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_4	(5 << 8)
+#define MT8188_AUDIO_M_CODE_MULT_DIV_SEL_DP_ENC0_P0_DIV_8	(7 << 8)
 #define MTK_DP_ENC0_P0_30D8			0x30d8
 #define MTK_DP_ENC0_P0_312C			0x312c
 #define ASP_HB2_DP_ENC0_P0_MASK				GENMASK(7, 0)
-- 
2.40.1