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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/gpu/drm/meson/meson_vclk.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/meson/meson_vclk.h')
-rw-r--r--drivers/gpu/drm/meson/meson_vclk.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_vclk.h b/drivers/gpu/drm/meson/meson_vclk.h
new file mode 100644
index 000000000..869fa3a30
--- /dev/null
+++ b/drivers/gpu/drm/meson/meson_vclk.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Video Clock */
+
+#ifndef __MESON_VCLK_H
+#define __MESON_VCLK_H
+
+enum {
+ MESON_VCLK_TARGET_CVBS = 0,
+ MESON_VCLK_TARGET_HDMI = 1,
+ MESON_VCLK_TARGET_DMT = 2,
+};
+
+/* 27MHz is the CVBS Pixel Clock */
+#define MESON_VCLK_CVBS 27000
+
+enum drm_mode_status
+meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned int freq);
+
+void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
+ unsigned int vclk_freq, unsigned int venc_freq,
+ unsigned int dac_freq, bool hdmi_use_enci);
+
+#endif /* __MESON_VCLK_H */