linux-kernel - [PATCH V5 5/8] soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220822064536.3947512-6-peng.fan@oss.nxp.com>
Date:   Mon, 22 Aug 2022 14:45:33 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        l.stach@...gutronix.de, laurent.pinchart@...asonboard.com,
        marex@...x.de, m.felsch@...gutronix.de, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH V5 5/8] soc: imx: add i.MX8MP HDMI blk ctrl HDCP/HRV_MWR

From: Peng Fan <peng.fan@....com>

i.MX8MP HDMI supports HDCP and HRV_MWR(HDMI RX Video Memory Write Master
for RXRX validation), so add them.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/soc/imx/imx8mp-blk-ctrl.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/soc/imx/imx8mp-blk-ctrl.c b/drivers/soc/imx/imx8mp-blk-ctrl.c
index 6f983adcb47c..527d45d12a54 100644
--- a/drivers/soc/imx/imx8mp-blk-ctrl.c
+++ b/drivers/soc/imx/imx8mp-blk-ctrl.c
@@ -235,6 +235,13 @@ static void imx8mp_hdmi_blk_ctrl_power_on(struct imx8mp_blk_ctrl *bc,
 		regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
 		regmap_clear_bits(bc->regmap, HDMI_TX_CONTROL0, BIT(3));
 		break;
+	case IMX8MP_HDMIBLK_PD_HDCP:
+		regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
+		break;
+	case IMX8MP_HDMIBLK_PD_HRV:
+		regmap_set_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
+		regmap_set_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
+		break;
 	default:
 		break;
 	}
@@ -283,6 +290,13 @@ static void imx8mp_hdmi_blk_ctrl_power_off(struct imx8mp_blk_ctrl *bc,
 		regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(12));
 		regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(22) | BIT(24));
 		break;
+	case IMX8MP_HDMIBLK_PD_HDCP:
+		regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL0, BIT(11));
+		break;
+	case IMX8MP_HDMIBLK_PD_HRV:
+		regmap_clear_bits(bc->regmap, HDMI_RTX_RESET_CTL0, BIT(15));
+		regmap_clear_bits(bc->regmap, HDMI_RTX_CLK_CTL1, BIT(3) | BIT(4) | BIT(5));
+		break;
 	default:
 		break;
 	}
@@ -365,6 +379,22 @@ static const struct imx8mp_blk_ctrl_domain_data imx8mp_hdmi_domain_data[] = {
 		.num_clks = 2,
 		.gpc_name = "hdmi-tx-phy",
 	},
+	[IMX8MP_HDMIBLK_PD_HRV] = {
+		.name = "hdmiblk-hrv",
+		.clk_names = (const char *[]){ "axi", "apb" },
+		.num_clks = 2,
+		.gpc_name = "hrv",
+		.path_names = (const char *[]){"hrv"},
+		.num_paths = 1,
+	},
+	[IMX8MP_HDMIBLK_PD_HDCP] = {
+		.name = "hdmiblk-hdcp",
+		.clk_names = (const char *[]){ "axi", "apb" },
+		.num_clks = 2,
+		.gpc_name = "hdcp",
+		.path_names = (const char *[]){"hdcp"},
+		.num_paths = 1,
+	},
 };
 
 static const struct imx8mp_blk_ctrl_data imx8mp_hdmi_blk_ctl_dev_data = {
-- 
2.37.1