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/*
* Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
*
* 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.
*/
#ifndef _SUN8I_MIXER_H_
#define _SUN8I_MIXER_H_
#include <linux/clk.h>
#include <linux/regmap.h>
#include <linux/reset.h>
#include "sunxi_engine.h"
#define SUN8I_MIXER_MAX_CHAN_COUNT 4
#define SUN8I_MIXER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1))
#define SUN8I_MIXER_COORD(x, y) ((y) << 16 | (x))
#define SUN8I_MIXER_GLOBAL_CTL 0x0
#define SUN8I_MIXER_GLOBAL_STATUS 0x4
#define SUN8I_MIXER_GLOBAL_DBUFF 0x8
#define SUN8I_MIXER_GLOBAL_SIZE 0xc
#define SUN8I_MIXER_GLOBAL_CTL_RT_EN 0x1
#define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE 0x1
#define SUN8I_MIXER_BLEND_FCOLOR_CTL 0x1000
#define SUN8I_MIXER_BLEND_ATTR_FCOLOR(x) (0x1004 + 0x10 * (x) + 0x0)
#define SUN8I_MIXER_BLEND_ATTR_INSIZE(x) (0x1004 + 0x10 * (x) + 0x4)
#define SUN8I_MIXER_BLEND_ATTR_OFFSET(x) (0x1004 + 0x10 * (x) + 0x8)
#define SUN8I_MIXER_BLEND_ROUTE 0x1080
#define SUN8I_MIXER_BLEND_PREMULTIPLY 0x1084
#define SUN8I_MIXER_BLEND_BKCOLOR 0x1088
#define SUN8I_MIXER_BLEND_OUTSIZE 0x108c
#define SUN8I_MIXER_BLEND_MODE(x) (0x1090 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_CK_CTL 0x10b0
#define SUN8I_MIXER_BLEND_CK_CFG 0x10b4
#define SUN8I_MIXER_BLEND_CK_MAX(x) (0x10c0 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_CK_MIN(x) (0x10e0 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_OUTCTL 0x10fc
/* The following numbers are some still unknown magic numbers */
#define SUN8I_MIXER_BLEND_ATTR_FCOLOR_DEF 0xff000000
#define SUN8I_MIXER_BLEND_FCOLOR_CTL_DEF 0x00000101
#define SUN8I_MIXER_BLEND_PREMULTIPLY_DEF 0x0
#define SUN8I_MIXER_BLEND_BKCOLOR_DEF 0xff000000
#define SUN8I_MIXER_BLEND_MODE_DEF 0x03010301
#define SUN8I_MIXER_BLEND_CK_CTL_DEF 0x0
#define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED BIT(1)
/*
* VI channels are not used now, but the support of them may be introduced in
* the future.
*/
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x0)
#define SUN8I_MIXER_CHAN_UI_LAYER_SIZE(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x4)
#define SUN8I_MIXER_CHAN_UI_LAYER_COORD(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x8)
#define SUN8I_MIXER_CHAN_UI_LAYER_PITCH(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0xc)
#define SUN8I_MIXER_CHAN_UI_LAYER_TOP_LADDR(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x10)
#define SUN8I_MIXER_CHAN_UI_LAYER_BOT_LADDR(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x14)
#define SUN8I_MIXER_CHAN_UI_LAYER_FCOLOR(ch, layer) \
(0x2000 + 0x1000 * (ch) + 0x20 * (layer) + 0x18)
#define SUN8I_MIXER_CHAN_UI_TOP_HADDR(ch) (0x2000 + 0x1000 * (ch) + 0x80)
#define SUN8I_MIXER_CHAN_UI_BOT_HADDR(ch) (0x2000 + 0x1000 * (ch) + 0x84)
#define SUN8I_MIXER_CHAN_UI_OVL_SIZE(ch) (0x2000 + 0x1000 * (ch) + 0x88)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_EN BIT(0)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_MASK GENMASK(2, 1)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK GENMASK(11, 8)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MASK GENMASK(31, 24)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_MODE_DEF (1 << 1)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_ARGB8888 (0 << 8)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_XRGB8888 (4 << 8)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_RGB888 (8 << 8)
#define SUN8I_MIXER_CHAN_UI_LAYER_ATTR_ALPHA_DEF (0xff << 24)
/*
* These sub-engines are still unknown now, the EN registers are here only to
* be used to disable these sub-engines.
*/
#define SUN8I_MIXER_VSU_EN 0x20000
#define SUN8I_MIXER_GSU1_EN 0x30000
#define SUN8I_MIXER_GSU2_EN 0x40000
#define SUN8I_MIXER_GSU3_EN 0x50000
#define SUN8I_MIXER_FCE_EN 0xa0000
#define SUN8I_MIXER_BWS_EN 0xa2000
#define SUN8I_MIXER_LTI_EN 0xa4000
#define SUN8I_MIXER_PEAK_EN 0xa6000
#define SUN8I_MIXER_ASE_EN 0xa8000
#define SUN8I_MIXER_FCC_EN 0xaa000
#define SUN8I_MIXER_DCSC_EN 0xb0000
struct sun8i_mixer_cfg {
int vi_num;
int ui_num;
};
struct sun8i_mixer {
struct sunxi_engine engine;
const struct sun8i_mixer_cfg *cfg;
struct reset_control *reset;
struct clk *bus_clk;
struct clk *mod_clk;
};
static inline struct sun8i_mixer *
engine_to_sun8i_mixer(struct sunxi_engine *engine)
{
return container_of(engine, struct sun8i_mixer, engine);
}
void sun8i_mixer_layer_enable(struct sun8i_mixer *mixer,
int layer, bool enable);
int sun8i_mixer_update_layer_coord(struct sun8i_mixer *mixer,
int layer, struct drm_plane *plane);
int sun8i_mixer_update_layer_formats(struct sun8i_mixer *mixer,
int layer, struct drm_plane *plane);
int sun8i_mixer_update_layer_buffer(struct sun8i_mixer *mixer,
int layer, struct drm_plane *plane);
#endif /* _SUN8I_MIXER_H_ */
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