linux_dsm_epyc7002/drivers/gpu/drm/sun4i/sun8i_mixer.h
Maxime Ripard edea372bd2
drm/sun4i: Force the mixer rate at 150MHz
It seems like the mixer can only run properly when clocked at 150MHz. In
order to have something more robust than simply a fire-and-forget
assigned-clocks-rate, let's put that in the code.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f5f05307972ed05250e8094b302d68b9e7e167f6.1513854122.git-series.maxime.ripard@free-electrons.com
2018-01-04 20:04:32 +01:00

154 lines
4.8 KiB
C

/*
* 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 SUN8I_MIXER_BLEND_PIPE_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_COORD(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
#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_OUTCTL_INTERLACED BIT(1)
#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
/*
* These sub-engines are still unknown 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
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.
*/
struct sun8i_mixer_cfg {
int vi_num;
int ui_num;
int scaler_mask;
int ccsc;
unsigned long mod_rate;
};
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);
}
const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
#endif /* _SUN8I_MIXER_H_ */