diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_mixer.h')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_mixer.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h new file mode 100644 index 000000000000..4785ac090b8c --- /dev/null +++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h @@ -0,0 +1,137 @@ +/* + * 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_ */ |