Adding upstream version 5.10.209.upstream/5.10.209upstream

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

1 files changed, 129 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c
new file mode 100644
index 000000000..95f2928cb
--- /dev/null
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8x60.c
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ */
+
+#include <linux/delay.h>
+
+#include "hdmi.h"
+
+static void hdmi_phy_8x60_powerup(struct hdmi_phy *phy,
+		unsigned long int pixclock)
+{
+	/* De-serializer delay D/C for non-lbk mode: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG0,
+		       HDMI_8x60_PHY_REG0_DESER_DEL_CTRL(3));
+
+	if (pixclock == 27000000) {
+		/* video_format == HDMI_VFRMT_720x480p60_16_9 */
+		hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG1,
+			       HDMI_8x60_PHY_REG1_DTEST_MUX_SEL(5) |
+			       HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL(3));
+	} else {
+		hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG1,
+			       HDMI_8x60_PHY_REG1_DTEST_MUX_SEL(5) |
+			       HDMI_8x60_PHY_REG1_OUTVOL_SWING_CTRL(4));
+	}
+
+	/* No matter what, start from the power down mode: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_PD_PWRGEN |
+		       HDMI_8x60_PHY_REG2_PD_PLL |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_4 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_3 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_2 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_1 |
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+
+	/* Turn PowerGen on: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_PD_PLL |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_4 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_3 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_2 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_1 |
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+
+	/* Turn PLL power on: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_4 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_3 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_2 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_1 |
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+
+	/* Write to HIGH after PLL power down de-assert: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG3,
+		       HDMI_8x60_PHY_REG3_PLL_ENABLE);
+
+	/* ASIC power on; PHY REG9 = 0 */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG9, 0);
+
+	/* Enable PLL lock detect, PLL lock det will go high after lock
+	 * Enable the re-time logic
+	 */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG12,
+		       HDMI_8x60_PHY_REG12_RETIMING_EN |
+		       HDMI_8x60_PHY_REG12_PLL_LOCK_DETECT_EN);
+
+	/* Drivers are on: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+
+	/* If the RX detector is needed: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_RCV_SENSE_EN |
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG4, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG5, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG6, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG7, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG8, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG9, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG10, 0);
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG11, 0);
+
+	/* If we want to use lock enable based on counting: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG12,
+		       HDMI_8x60_PHY_REG12_RETIMING_EN |
+		       HDMI_8x60_PHY_REG12_PLL_LOCK_DETECT_EN |
+		       HDMI_8x60_PHY_REG12_FORCE_LOCK);
+}
+
+static void hdmi_phy_8x60_powerdown(struct hdmi_phy *phy)
+{
+	/* Assert RESET PHY from controller */
+	hdmi_phy_write(phy, REG_HDMI_PHY_CTRL,
+		       HDMI_PHY_CTRL_SW_RESET);
+	udelay(10);
+	/* De-assert RESET PHY from controller */
+	hdmi_phy_write(phy, REG_HDMI_PHY_CTRL, 0);
+	/* Turn off Driver */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_4 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_3 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_2 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_1 |
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+	udelay(10);
+	/* Disable PLL */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG3, 0);
+	/* Power down PHY, but keep RX-sense: */
+	hdmi_phy_write(phy, REG_HDMI_8x60_PHY_REG2,
+		       HDMI_8x60_PHY_REG2_RCV_SENSE_EN |
+		       HDMI_8x60_PHY_REG2_PD_PWRGEN |
+		       HDMI_8x60_PHY_REG2_PD_PLL |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_4 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_3 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_2 |
+		       HDMI_8x60_PHY_REG2_PD_DRIVE_1 |
+		       HDMI_8x60_PHY_REG2_PD_DESER);
+}
+
+const struct hdmi_phy_cfg msm_hdmi_phy_8x60_cfg = {
+	.type = MSM_HDMI_PHY_8x60,
+	.powerup = hdmi_phy_8x60_powerup,
+	.powerdown = hdmi_phy_8x60_powerdown,
+};