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-rw-r--r--drivers/gpu/drm/sun4i/sun8i_mixer.h206
1 files changed, 206 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 000000000..b0178c045
--- /dev/null
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h
@@ -0,0 +1,206 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
+ */
+
+#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_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_ARGB2101010 20
+#define SUN8I_MIXER_FBFMT_ABGR2101010 21
+#define SUN8I_MIXER_FBFMT_RGBA1010102 22
+#define SUN8I_MIXER_FBFMT_BGRA1010102 23
+
+#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
+/* format 15 doesn't exist */
+#define SUN8I_MIXER_FBFMT_P010_YUV 16
+/* format 17 is P010 YVU */
+#define SUN8I_MIXER_FBFMT_P210_YUV 18
+/* format 19 is P210 YVU */
+/* format 20 is packed YVU444 10-bit */
+/* format 21 is packed YUV444 10-bit */
+
+/*
+ * 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 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.
+ * @scaline_yuv: size of a scanline for VI scaler for YUV formats.
+ */
+struct sun8i_mixer_cfg {
+ int vi_num;
+ int ui_num;
+ int scaler_mask;
+ int ccsc;
+ unsigned long mod_rate;
+ unsigned int is_de3 : 1;
+ unsigned int scanline_yuv;
+};
+
+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;
+}
+
+int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format);
+#endif /* _SUN8I_MIXER_H_ */