forked from Minki/linux
02a3ce3c2a
To prepare the introduction of tiled mode support, pass the framebuffer format modifier to the helpers dealing with format support. Since only linear mode is supported for now, add corresponding checks in each helper. Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-33-paul.kocialkowski@bootlin.com
103 lines
3.3 KiB
C
103 lines
3.3 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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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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