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Release 4.15 drivers/gpu/drm/sun4i/sun4i_tcon.h

Directory: drivers/gpu/drm/sun4i
/*
 * Copyright (C) 2015 Free Electrons
 * Copyright (C) 2015 NextThing Co
 *
 * Boris Brezillon <boris.brezillon@free-electrons.com>
 * Maxime Ripard <maxime.ripard@free-electrons.com>
 *
 * 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 __SUN4I_TCON_H__

#define __SUN4I_TCON_H__

#include <drm/drm_crtc.h>

#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/reset.h>


#define SUN4I_TCON_GCTL_REG			0x0

#define SUN4I_TCON_GCTL_TCON_ENABLE			BIT(31)

#define SUN4I_TCON_GCTL_IOMAP_MASK			BIT(0)

#define SUN4I_TCON_GCTL_IOMAP_TCON1			(1 << 0)

#define SUN4I_TCON_GCTL_IOMAP_TCON0			(0 << 0)


#define SUN4I_TCON_GINT0_REG			0x4

#define SUN4I_TCON_GINT0_VBLANK_ENABLE(pipe)		BIT(31 - (pipe))

#define SUN4I_TCON_GINT0_VBLANK_INT(pipe)		BIT(15 - (pipe))


#define SUN4I_TCON_GINT1_REG			0x8

#define SUN4I_TCON_FRM_CTL_REG			0x10


#define SUN4I_TCON0_CTL_REG			0x40

#define SUN4I_TCON0_CTL_TCON_ENABLE			BIT(31)

#define SUN4I_TCON0_CTL_CLK_DELAY_MASK			GENMASK(8, 4)

#define SUN4I_TCON0_CTL_CLK_DELAY(delay)		((delay << 4) & SUN4I_TCON0_CTL_CLK_DELAY_MASK)

#define SUN4I_TCON0_CTL_SRC_SEL_MASK			GENMASK(2, 0)


#define SUN4I_TCON0_DCLK_REG			0x44

#define SUN4I_TCON0_DCLK_GATE_BIT			(31)

#define SUN4I_TCON0_DCLK_DIV_SHIFT			(0)

#define SUN4I_TCON0_DCLK_DIV_WIDTH			(7)


#define SUN4I_TCON0_BASIC0_REG			0x48

#define SUN4I_TCON0_BASIC0_X(width)			((((width) - 1) & 0xfff) << 16)

#define SUN4I_TCON0_BASIC0_Y(height)			(((height) - 1) & 0xfff)


#define SUN4I_TCON0_BASIC1_REG			0x4c

#define SUN4I_TCON0_BASIC1_H_TOTAL(total)		((((total) - 1) & 0x1fff) << 16)

#define SUN4I_TCON0_BASIC1_H_BACKPORCH(bp)		(((bp) - 1) & 0xfff)


#define SUN4I_TCON0_BASIC2_REG			0x50

#define SUN4I_TCON0_BASIC2_V_TOTAL(total)		(((total) & 0x1fff) << 16)

#define SUN4I_TCON0_BASIC2_V_BACKPORCH(bp)		(((bp) - 1) & 0xfff)


#define SUN4I_TCON0_BASIC3_REG			0x54

#define SUN4I_TCON0_BASIC3_H_SYNC(width)		((((width) - 1) & 0x7ff) << 16)

#define SUN4I_TCON0_BASIC3_V_SYNC(height)		(((height) - 1) & 0x7ff)


#define SUN4I_TCON0_HV_IF_REG			0x58

#define SUN4I_TCON0_CPU_IF_REG			0x60

#define SUN4I_TCON0_CPU_WR_REG			0x64

#define SUN4I_TCON0_CPU_RD0_REG			0x68

#define SUN4I_TCON0_CPU_RDA_REG			0x6c

#define SUN4I_TCON0_TTL0_REG			0x70

#define SUN4I_TCON0_TTL1_REG			0x74

#define SUN4I_TCON0_TTL2_REG			0x78

#define SUN4I_TCON0_TTL3_REG			0x7c

#define SUN4I_TCON0_TTL4_REG			0x80

#define SUN4I_TCON0_LVDS_IF_REG			0x84

#define SUN4I_TCON0_IO_POL_REG			0x88

#define SUN4I_TCON0_IO_POL_DCLK_PHASE(phase)		((phase & 3) << 28)

#define SUN4I_TCON0_IO_POL_HSYNC_POSITIVE		BIT(25)

#define SUN4I_TCON0_IO_POL_VSYNC_POSITIVE		BIT(24)


#define SUN4I_TCON0_IO_TRI_REG			0x8c

#define SUN4I_TCON0_IO_TRI_HSYNC_DISABLE		BIT(25)

#define SUN4I_TCON0_IO_TRI_VSYNC_DISABLE		BIT(24)

#define SUN4I_TCON0_IO_TRI_DATA_PINS_DISABLE(pins)	GENMASK(pins, 0)


#define SUN4I_TCON1_CTL_REG			0x90

#define SUN4I_TCON1_CTL_TCON_ENABLE			BIT(31)

#define SUN4I_TCON1_CTL_INTERLACE_ENABLE		BIT(20)

#define SUN4I_TCON1_CTL_CLK_DELAY_MASK			GENMASK(8, 4)

#define SUN4I_TCON1_CTL_CLK_DELAY(delay)		((delay << 4) & SUN4I_TCON1_CTL_CLK_DELAY_MASK)

#define SUN4I_TCON1_CTL_SRC_SEL_MASK			GENMASK(1, 0)


#define SUN4I_TCON1_BASIC0_REG			0x94

#define SUN4I_TCON1_BASIC0_X(width)			((((width) - 1) & 0xfff) << 16)

#define SUN4I_TCON1_BASIC0_Y(height)			(((height) - 1) & 0xfff)


#define SUN4I_TCON1_BASIC1_REG			0x98

#define SUN4I_TCON1_BASIC1_X(width)			((((width) - 1) & 0xfff) << 16)

#define SUN4I_TCON1_BASIC1_Y(height)			(((height) - 1) & 0xfff)


#define SUN4I_TCON1_BASIC2_REG			0x9c

#define SUN4I_TCON1_BASIC2_X(width)			((((width) - 1) & 0xfff) << 16)

#define SUN4I_TCON1_BASIC2_Y(height)			(((height) - 1) & 0xfff)


#define SUN4I_TCON1_BASIC3_REG			0xa0

#define SUN4I_TCON1_BASIC3_H_TOTAL(total)		((((total) - 1) & 0x1fff) << 16)

#define SUN4I_TCON1_BASIC3_H_BACKPORCH(bp)		(((bp) - 1) & 0xfff)


#define SUN4I_TCON1_BASIC4_REG			0xa4

#define SUN4I_TCON1_BASIC4_V_TOTAL(total)		(((total) & 0x1fff) << 16)

#define SUN4I_TCON1_BASIC4_V_BACKPORCH(bp)		(((bp) - 1) & 0xfff)


#define SUN4I_TCON1_BASIC5_REG			0xa8

#define SUN4I_TCON1_BASIC5_H_SYNC(width)		((((width) - 1) & 0x3ff) << 16)

#define SUN4I_TCON1_BASIC5_V_SYNC(height)		(((height) - 1) & 0x3ff)


#define SUN4I_TCON1_IO_POL_REG			0xf0

#define SUN4I_TCON1_IO_TRI_REG			0xf4

#define SUN4I_TCON_CEU_CTL_REG			0x100

#define SUN4I_TCON_CEU_MUL_RR_REG		0x110

#define SUN4I_TCON_CEU_MUL_RG_REG		0x114

#define SUN4I_TCON_CEU_MUL_RB_REG		0x118

#define SUN4I_TCON_CEU_ADD_RC_REG		0x11c

#define SUN4I_TCON_CEU_MUL_GR_REG		0x120

#define SUN4I_TCON_CEU_MUL_GG_REG		0x124

#define SUN4I_TCON_CEU_MUL_GB_REG		0x128

#define SUN4I_TCON_CEU_ADD_GC_REG		0x12c

#define SUN4I_TCON_CEU_MUL_BR_REG		0x130

#define SUN4I_TCON_CEU_MUL_BG_REG		0x134

#define SUN4I_TCON_CEU_MUL_BB_REG		0x138

#define SUN4I_TCON_CEU_ADD_BC_REG		0x13c

#define SUN4I_TCON_CEU_RANGE_R_REG		0x140

#define SUN4I_TCON_CEU_RANGE_G_REG		0x144

#define SUN4I_TCON_CEU_RANGE_B_REG		0x148

#define SUN4I_TCON_MUX_CTRL_REG			0x200

#define SUN4I_TCON1_FILL_CTL_REG		0x300

#define SUN4I_TCON1_FILL_BEG0_REG		0x304

#define SUN4I_TCON1_FILL_END0_REG		0x308

#define SUN4I_TCON1_FILL_DATA0_REG		0x30c

#define SUN4I_TCON1_FILL_BEG1_REG		0x310

#define SUN4I_TCON1_FILL_END1_REG		0x314

#define SUN4I_TCON1_FILL_DATA1_REG		0x318

#define SUN4I_TCON1_FILL_BEG2_REG		0x31c

#define SUN4I_TCON1_FILL_END2_REG		0x320

#define SUN4I_TCON1_FILL_DATA2_REG		0x324

#define SUN4I_TCON1_GAMMA_TABLE_REG		0x400


#define SUN4I_TCON_MAX_CHANNELS		2

struct sun4i_tcon;


struct sun4i_tcon_quirks {
	
bool	has_channel_1;	/* a33 does not have channel 1 */
	
bool	needs_de_be_mux; /* sun6i needs mux to select backend */

	/* callback to handle tcon muxing options */
	
int	(*set_mux)(struct sun4i_tcon *, const struct drm_encoder *);
};


struct sun4i_tcon {
	
struct device			*dev;
	
struct drm_device		*drm;
	
struct regmap			*regs;

	/* Main bus clock */
	
struct clk			*clk;

	/* Clocks for the TCON channels */
	
struct clk			*sclk0;
	
struct clk			*sclk1;

	/* Pixel clock */
	
struct clk			*dclk;

	/* Reset control */
	
struct reset_control		*lcd_rst;

	
struct drm_panel		*panel;

	/* Platform adjustments */
	
const struct sun4i_tcon_quirks	*quirks;

	/* Associated crtc */
	
struct sun4i_crtc		*crtc;

	
int				id;

	/* TCON list management */
	
struct list_head		list;
};

struct drm_bridge *sun4i_tcon_find_bridge(struct device_node *node);
struct drm_panel *sun4i_tcon_find_panel(struct device_node *node);

void sun4i_tcon_enable_vblank(struct sun4i_tcon *tcon, bool enable);
void sun4i_tcon_mode_set(struct sun4i_tcon *tcon,
			 const struct drm_encoder *encoder,
			 const struct drm_display_mode *mode);
void sun4i_tcon_set_status(struct sun4i_tcon *crtc,
			   const struct drm_encoder *encoder, bool enable);

#endif /* __SUN4I_TCON_H__ */

Overall Contributors
PersonTokensPropCommitsCommitProp
Maxime Ripard63891.01%1164.71%


Chen-Yu Tsai638.99%635.29%


Total701100.00%17100.00%


Directory: drivers/gpu/drm/sun4i



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