meson_vpu.h
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/* 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 <video.h>
#include "meson_registers.h"
struct display_timing;
struct udevice;
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,
VPU_COMPATIBLE_G12A = 3,
};
struct meson_vpu_priv {
struct udevice *dev;
void __iomem *io_base;
void __iomem *hhi_base;
void __iomem *dmc_base;
};
bool meson_vpu_is_compatible(struct meson_vpu_priv *priv,
enum vpu_compatible 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