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Diffstat (limited to 'drivers/video/meson/meson_vpu.h')
-rw-r--r--drivers/video/meson/meson_vpu.h97
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/video/meson/meson_vpu.h b/drivers/video/meson/meson_vpu.h
new file mode 100644
index 0000000000..ef5f10eae3
--- /dev/null
+++ b/drivers/video/meson/meson_vpu.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Amlogic Meson Video Processing Unit driver
+ *
+ * Copyright (c) 2018 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#ifndef __MESON_VPU_H__
+#define __MESON_VPU_H__
+
+#include <common.h>
+#include <dm.h>
+#include <video.h>
+#include <display.h>
+#include <linux/io.h>
+#include "meson_registers.h"
+
+enum {
+ /* Maximum size we support */
+ VPU_MAX_WIDTH = 3840,
+ VPU_MAX_HEIGHT = 2160,
+ VPU_MAX_LOG2_BPP = VIDEO_BPP32,
+};
+
+enum vpu_compatible {
+ VPU_COMPATIBLE_GXBB = 0,
+ VPU_COMPATIBLE_GXL = 1,
+ VPU_COMPATIBLE_GXM = 2,
+};
+
+struct meson_vpu_priv {
+ struct udevice *dev;
+ void __iomem *io_base;
+ void __iomem *hhi_base;
+ void __iomem *dmc_base;
+};
+
+static inline bool meson_vpu_is_compatible(struct meson_vpu_priv *priv,
+ enum vpu_compatible family)
+{
+ enum vpu_compatible compat = dev_get_driver_data(priv->dev);
+
+ return compat == family;
+}
+
+#define hhi_update_bits(offset, mask, value) \
+ writel_bits(mask, value, priv->hhi_base + offset)
+
+#define hhi_write(offset, value) \
+ writel(value, priv->hhi_base + offset)
+
+#define hhi_read(offset) \
+ readl(priv->hhi_base + offset)
+
+#define dmc_update_bits(offset, mask, value) \
+ writel_bits(mask, value, priv->dmc_base + offset)
+
+#define dmc_write(offset, value) \
+ writel(value, priv->dmc_base + offset)
+
+#define dmc_read(offset) \
+ readl(priv->dmc_base + offset)
+
+#define MESON_CANVAS_ID_OSD1 0x4e
+
+/* Canvas configuration. */
+#define MESON_CANVAS_WRAP_NONE 0x00
+#define MESON_CANVAS_WRAP_X 0x01
+#define MESON_CANVAS_WRAP_Y 0x02
+
+#define MESON_CANVAS_BLKMODE_LINEAR 0x00
+#define MESON_CANVAS_BLKMODE_32x32 0x01
+#define MESON_CANVAS_BLKMODE_64x64 0x02
+
+void meson_canvas_setup(struct meson_vpu_priv *priv,
+ u32 canvas_index, u32 addr,
+ u32 stride, u32 height,
+ unsigned int wrap,
+ unsigned int blkmode);
+
+/* Mux VIU/VPP to ENCI */
+#define MESON_VIU_VPP_MUX_ENCI 0x5
+/* Mux VIU/VPP to ENCP */
+#define MESON_VIU_VPP_MUX_ENCP 0xA
+
+void meson_vpp_setup_mux(struct meson_vpu_priv *priv, unsigned int mux);
+void meson_vpu_init(struct udevice *dev);
+void meson_vpu_setup_plane(struct udevice *dev, bool is_interlaced);
+bool meson_venc_hdmi_supported_mode(const struct display_timing *mode);
+void meson_vpu_setup_venc(struct udevice *dev,
+ const struct display_timing *mode, bool is_cvbs);
+bool meson_vclk_dmt_supported_freq(struct meson_vpu_priv *priv,
+ unsigned int freq);
+void meson_vpu_setup_vclk(struct udevice *dev,
+ const struct display_timing *mode, bool is_cvbs);
+#endif