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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 "sun8i_csc.h"
#include "sunxi_engine.h"
#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 BIT(0)
#define SUN8I_MIXER_GLOBAL_DBUFF_ENABLE BIT(0)
#define DE2_MIXER_UNIT_SIZE 0x6000
#define DE3_MIXER_UNIT_SIZE 0x3000
#define DE2_BLD_BASE 0x1000
#define DE2_CH_BASE 0x2000
#define DE2_CH_SIZE 0x1000
#define DE3_BLD_BASE 0x0800
#define DE3_CH_BASE 0x1000
#define DE3_CH_SIZE 0x0800
#define SUN8I_MIXER_BLEND_PIPE_CTL(base) ((base) + 0)
#define SUN8I_MIXER_BLEND_ATTR_FCOLOR(base, x) ((base) + 0x4 + 0x10 * (x))
#define SUN8I_MIXER_BLEND_ATTR_INSIZE(base, x) ((base) + 0x8 + 0x10 * (x))
#define SUN8I_MIXER_BLEND_ATTR_COORD(base, x) ((base) + 0xc + 0x10 * (x))
#define SUN8I_MIXER_BLEND_ROUTE(base) ((base) + 0x80)
#define SUN8I_MIXER_BLEND_PREMULTIPLY(base) ((base) + 0x84)
#define SUN8I_MIXER_BLEND_BKCOLOR(base) ((base) + 0x88)
#define SUN8I_MIXER_BLEND_OUTSIZE(base) ((base) + 0x8c)
#define SUN8I_MIXER_BLEND_MODE(base, x) ((base) + 0x90 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_CK_CTL(base) ((base) + 0xb0)
#define SUN8I_MIXER_BLEND_CK_CFG(base) ((base) + 0xb4)
#define SUN8I_MIXER_BLEND_CK_MAX(base, x) ((base) + 0xc0 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_CK_MIN(base, x) ((base) + 0xe0 + 0x04 * (x))
#define SUN8I_MIXER_BLEND_OUTCTL(base) ((base) + 0xfc)
#define SUN50I_MIXER_BLEND_CSC_CTL(base) ((base) + 0x100)
#define SUN50I_MIXER_BLEND_CSC_COEFF(base, layer, x, y) \
((base) + 0x110 + (layer) * 0x30 + (x) * 0x10 + 4 * (y))
#define SUN50I_MIXER_BLEND_CSC_CONST(base, layer, i) \
((base) + 0x110 + (layer) * 0x30 + (i) * 0x10 + 0x0c)
#define SUN8I_MIXER_BLEND_PIPE_CTL_EN_MSK GENMASK(12, 8)
#define SUN8I_MIXER_BLEND_PIPE_CTL_EN(pipe) BIT(8 + pipe)
#define SUN8I_MIXER_BLEND_PIPE_CTL_FC_EN(pipe) BIT(pipe)
/* colors are always in AARRGGBB format */
#define SUN8I_MIXER_BLEND_COLOR_BLACK 0xff000000
/* The following numbers are some still unknown magic numbers */
#define SUN8I_MIXER_BLEND_MODE_DEF 0x03010301
#define SUN8I_MIXER_BLEND_ROUTE_PIPE_MSK(n) (0xf << ((n) << 2))
#define SUN8I_MIXER_BLEND_ROUTE_PIPE_SHIFT(n) ((n) << 2)
#define SUN8I_MIXER_BLEND_OUTCTL_INTERLACED BIT(1)
#define SUN50I_MIXER_BLEND_CSC_CTL_EN(ch) BIT(ch)
#define SUN50I_MIXER_BLEND_CSC_CONST_VAL(d, c) (((d) << 16) | ((c) & 0xffff))
#define SUN8I_MIXER_FBFMT_ARGB8888 0
#define SUN8I_MIXER_FBFMT_ABGR8888 1
#define SUN8I_MIXER_FBFMT_RGBA8888 2
#define SUN8I_MIXER_FBFMT_BGRA8888 3
#define SUN8I_MIXER_FBFMT_XRGB8888 4
#define SUN8I_MIXER_FBFMT_XBGR8888 5
#define SUN8I_MIXER_FBFMT_RGBX8888 6
#define SUN8I_MIXER_FBFMT_BGRX8888 7
#define SUN8I_MIXER_FBFMT_RGB888 8
#define SUN8I_MIXER_FBFMT_BGR888 9
#define SUN8I_MIXER_FBFMT_RGB565 10
#define SUN8I_MIXER_FBFMT_BGR565 11
#define SUN8I_MIXER_FBFMT_ARGB4444 12
#define SUN8I_MIXER_FBFMT_ABGR4444 13
#define SUN8I_MIXER_FBFMT_RGBA4444 14
#define SUN8I_MIXER_FBFMT_BGRA4444 15
#define SUN8I_MIXER_FBFMT_ARGB1555 16
#define SUN8I_MIXER_FBFMT_ABGR1555 17
#define SUN8I_MIXER_FBFMT_RGBA5551 18
#define SUN8I_MIXER_FBFMT_BGRA5551 19
#define SUN8I_MIXER_FBFMT_YUYV 0
#define SUN8I_MIXER_FBFMT_UYVY 1
#define SUN8I_MIXER_FBFMT_YVYU 2
#define SUN8I_MIXER_FBFMT_VYUY 3
#define SUN8I_MIXER_FBFMT_NV16 4
#define SUN8I_MIXER_FBFMT_NV61 5
#define SUN8I_MIXER_FBFMT_YUV422 6
/* format 7 doesn't exist */
#define SUN8I_MIXER_FBFMT_NV12 8
#define SUN8I_MIXER_FBFMT_NV21 9
#define SUN8I_MIXER_FBFMT_YUV420 10
/* format 11 doesn't exist */
/* format 12 is semi-planar YUV411 UVUV */
/* format 13 is semi-planar YUV411 VUVU */
#define SUN8I_MIXER_FBFMT_YUV411 14
/*
* Sub-engines listed bellow are unused for now. The EN registers are here only
* to be used to disable these sub-engines.
*/
#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
#define SUN50I_MIXER_FCE_EN 0x70000
#define SUN50I_MIXER_PEAK_EN 0x70800
#define SUN50I_MIXER_LCTI_EN 0x71000
#define SUN50I_MIXER_BLS_EN 0x71800
#define SUN50I_MIXER_FCC_EN 0x72000
#define SUN50I_MIXER_DNS_EN 0x80000
#define SUN50I_MIXER_DRC_EN 0xa0000
#define SUN50I_MIXER_FMT_EN 0xa8000
#define SUN50I_MIXER_CDC0_EN 0xd0000
#define SUN50I_MIXER_CDC1_EN 0xd8000
struct de2_fmt_info {
u32 drm_fmt;
u32 de2_fmt;
bool rgb;
enum sun8i_csc_mode csc;
};
/**
* struct sun8i_mixer_cfg - mixer HW configuration
* @vi_num: number of VI channels
* @ui_num: number of UI channels
* @scaler_mask: bitmask which tells which channel supports scaling
* First, scaler supports for VI channels is defined and after that, scaler
* support for UI channels. For example, if mixer has 2 VI channels without
* scaler and 2 UI channels with scaler, bitmask would be 0xC.
* @ccsc: select set of CCSC base addresses
* Set value to 0 if this is first mixer or second mixer with VEP support.
* Set value to 1 if this is second mixer without VEP support. Other values
* are invalid.
* @mod_rate: module clock rate that needs to be set in order to have
* a functional block.
* @is_de3: true, if this is next gen display engine 3.0, false otherwise.
*/
struct sun8i_mixer_cfg {
int vi_num;
int ui_num;
int scaler_mask;
int ccsc;
unsigned long mod_rate;
unsigned int is_de3 : 1;
};
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);
}
static inline u32
sun8i_blender_base(struct sun8i_mixer *mixer)
{
return mixer->cfg->is_de3 ? DE3_BLD_BASE : DE2_BLD_BASE;
}
static inline u32
sun8i_channel_base(struct sun8i_mixer *mixer, int channel)
{
if (mixer->cfg->is_de3)
return DE3_CH_BASE + channel * DE3_CH_SIZE;
else
return DE2_CH_BASE + channel * DE2_CH_SIZE;
}
const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
#endif /* _SUN8I_MIXER_H_ */