e6ae40bd94
Both the backend and the frontend need the BT.601 CSC coefficients for YUV to RGB conversion. Since the backend has a dependency on the frontend (and not the other way round), move the coefficients there so that both can access them without having to duplicate them. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-7-paul.kocialkowski@bootlin.com
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2017 Free Electrons
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* Maxime Ripard <maxime.ripard@free-electrons.com>
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*/
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#ifndef _SUN4I_FRONTEND_H_
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#define _SUN4I_FRONTEND_H_
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#include <linux/list.h>
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#define SUN4I_FRONTEND_EN_REG 0x000
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#define SUN4I_FRONTEND_EN_EN BIT(0)
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#define SUN4I_FRONTEND_FRM_CTRL_REG 0x004
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#define SUN4I_FRONTEND_FRM_CTRL_COEF_ACCESS_CTRL BIT(23)
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#define SUN4I_FRONTEND_FRM_CTRL_FRM_START BIT(16)
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#define SUN4I_FRONTEND_FRM_CTRL_COEF_RDY BIT(1)
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#define SUN4I_FRONTEND_FRM_CTRL_REG_RDY BIT(0)
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#define SUN4I_FRONTEND_BYPASS_REG 0x008
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#define SUN4I_FRONTEND_BYPASS_CSC_EN BIT(1)
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#define SUN4I_FRONTEND_BUF_ADDR0_REG 0x020
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#define SUN4I_FRONTEND_LINESTRD0_REG 0x040
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#define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c
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#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED (1 << 8)
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#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT_RGB (5 << 4)
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#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_BGRX 0
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#define SUN4I_FRONTEND_INPUT_FMT_DATA_PS_XRGB 1
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#define SUN4I_FRONTEND_OUTPUT_FMT_REG 0x05c
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#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_BGRX8888 1
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#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT_XRGB8888 2
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#define SUN4I_FRONTEND_CH0_INSIZE_REG 0x100
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#define SUN4I_FRONTEND_INSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1)))
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#define SUN4I_FRONTEND_CH0_OUTSIZE_REG 0x104
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#define SUN4I_FRONTEND_OUTSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1)))
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#define SUN4I_FRONTEND_CH0_HORZFACT_REG 0x108
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#define SUN4I_FRONTEND_HORZFACT(i, f) (((i) << 16) | (f))
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#define SUN4I_FRONTEND_CH0_VERTFACT_REG 0x10c
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#define SUN4I_FRONTEND_VERTFACT(i, f) (((i) << 16) | (f))
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#define SUN4I_FRONTEND_CH0_HORZPHASE_REG 0x110
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#define SUN4I_FRONTEND_CH0_VERTPHASE0_REG 0x114
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#define SUN4I_FRONTEND_CH0_VERTPHASE1_REG 0x118
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#define SUN4I_FRONTEND_CH1_INSIZE_REG 0x200
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#define SUN4I_FRONTEND_CH1_OUTSIZE_REG 0x204
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#define SUN4I_FRONTEND_CH1_HORZFACT_REG 0x208
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#define SUN4I_FRONTEND_CH1_VERTFACT_REG 0x20c
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#define SUN4I_FRONTEND_CH1_HORZPHASE_REG 0x210
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#define SUN4I_FRONTEND_CH1_VERTPHASE0_REG 0x214
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#define SUN4I_FRONTEND_CH1_VERTPHASE1_REG 0x218
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#define SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i) (0x400 + i * 4)
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#define SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i) (0x480 + i * 4)
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#define SUN4I_FRONTEND_CH0_VERTCOEF_REG(i) (0x500 + i * 4)
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#define SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i) (0x600 + i * 4)
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#define SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i) (0x680 + i * 4)
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#define SUN4I_FRONTEND_CH1_VERTCOEF_REG(i) (0x700 + i * 4)
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struct clk;
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struct device_node;
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struct drm_plane;
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struct regmap;
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struct reset_control;
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struct sun4i_frontend {
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struct list_head list;
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struct device *dev;
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struct device_node *node;
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struct clk *bus_clk;
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struct clk *mod_clk;
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struct clk *ram_clk;
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struct regmap *regs;
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struct reset_control *reset;
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};
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extern const struct of_device_id sun4i_frontend_of_table[];
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extern const u32 sunxi_bt601_yuv2rgb_coef[12];
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int sun4i_frontend_init(struct sun4i_frontend *frontend);
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void sun4i_frontend_exit(struct sun4i_frontend *frontend);
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int sun4i_frontend_enable(struct sun4i_frontend *frontend);
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void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend,
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struct drm_plane *plane);
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void sun4i_frontend_update_coord(struct sun4i_frontend *frontend,
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struct drm_plane *plane);
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int sun4i_frontend_update_formats(struct sun4i_frontend *frontend,
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struct drm_plane *plane, uint32_t out_fmt);
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bool sun4i_frontend_format_is_supported(uint32_t fmt, uint64_t modifier);
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#endif /* _SUN4I_FRONTEND_H_ */
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