304 lines
11 KiB
C
304 lines
11 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (C) 2015 Free Electrons
|
|
* Copyright (C) 2015 NextThing Co
|
|
*
|
|
* Boris Brezillon <boris.brezillon@free-electrons.com>
|
|
* Maxime Ripard <maxime.ripard@free-electrons.com>
|
|
*/
|
|
|
|
#ifndef __SUN4I_TCON_H__
|
|
#define __SUN4I_TCON_H__
|
|
|
|
#include <drm/drm_crtc.h>
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/list.h>
|
|
#include <linux/mod_devicetable.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_TCON0_TRI_FINISH_ENABLE BIT(27)
|
|
#define SUN4I_TCON_GINT0_TCON0_TRI_COUNTER_ENABLE BIT(26)
|
|
#define SUN4I_TCON_GINT0_VBLANK_INT(pipe) BIT(15 - (pipe))
|
|
#define SUN4I_TCON_GINT0_TCON0_TRI_FINISH_INT BIT(11)
|
|
#define SUN4I_TCON_GINT0_TCON0_TRI_COUNTER_INT BIT(10)
|
|
|
|
#define SUN4I_TCON_GINT1_REG 0x8
|
|
|
|
#define SUN4I_TCON_FRM_CTL_REG 0x10
|
|
#define SUN4I_TCON0_FRM_CTL_EN BIT(31)
|
|
#define SUN4I_TCON0_FRM_CTL_MODE_R BIT(6)
|
|
#define SUN4I_TCON0_FRM_CTL_MODE_G BIT(5)
|
|
#define SUN4I_TCON0_FRM_CTL_MODE_B BIT(4)
|
|
|
|
#define SUN4I_TCON0_FRM_SEED_PR_REG 0x14
|
|
#define SUN4I_TCON0_FRM_SEED_PG_REG 0x18
|
|
#define SUN4I_TCON0_FRM_SEED_PB_REG 0x1c
|
|
#define SUN4I_TCON0_FRM_SEED_LR_REG 0x20
|
|
#define SUN4I_TCON0_FRM_SEED_LG_REG 0x24
|
|
#define SUN4I_TCON0_FRM_SEED_LB_REG 0x28
|
|
#define SUN4I_TCON0_FRM_TBL0_REG 0x2c
|
|
#define SUN4I_TCON0_FRM_TBL1_REG 0x30
|
|
#define SUN4I_TCON0_FRM_TBL2_REG 0x34
|
|
#define SUN4I_TCON0_FRM_TBL3_REG 0x38
|
|
|
|
#define SUN4I_TCON0_CTL_REG 0x40
|
|
#define SUN4I_TCON0_CTL_TCON_ENABLE BIT(31)
|
|
#define SUN4I_TCON0_CTL_IF_MASK GENMASK(25, 24)
|
|
#define SUN4I_TCON0_CTL_IF_8080 (1 << 24)
|
|
#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_IF_MODE_MASK GENMASK(31, 28)
|
|
#define SUN4I_TCON0_CPU_IF_MODE_DSI (1 << 28)
|
|
#define SUN4I_TCON0_CPU_IF_TRI_FIFO_FLUSH BIT(16)
|
|
#define SUN4I_TCON0_CPU_IF_TRI_FIFO_EN BIT(2)
|
|
#define SUN4I_TCON0_CPU_IF_TRI_EN BIT(0)
|
|
|
|
#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_LVDS_IF_EN BIT(31)
|
|
#define SUN4I_TCON0_LVDS_IF_BITWIDTH_MASK BIT(26)
|
|
#define SUN4I_TCON0_LVDS_IF_BITWIDTH_18BITS (1 << 26)
|
|
#define SUN4I_TCON0_LVDS_IF_BITWIDTH_24BITS (0 << 26)
|
|
#define SUN4I_TCON0_LVDS_IF_CLK_SEL_MASK BIT(20)
|
|
#define SUN4I_TCON0_LVDS_IF_CLK_SEL_TCON0 (1 << 20)
|
|
#define SUN4I_TCON0_LVDS_IF_CLK_POL_MASK BIT(4)
|
|
#define SUN4I_TCON0_LVDS_IF_CLK_POL_NORMAL (1 << 4)
|
|
#define SUN4I_TCON0_LVDS_IF_CLK_POL_INV (0 << 4)
|
|
#define SUN4I_TCON0_LVDS_IF_DATA_POL_MASK GENMASK(3, 0)
|
|
#define SUN4I_TCON0_LVDS_IF_DATA_POL_NORMAL (0xf)
|
|
#define SUN4I_TCON0_LVDS_IF_DATA_POL_INV (0)
|
|
|
|
#define SUN4I_TCON0_IO_POL_REG 0x88
|
|
#define SUN4I_TCON0_IO_POL_DCLK_PHASE(phase) ((phase & 3) << 28)
|
|
#define SUN4I_TCON0_IO_POL_DE_NEGATIVE BIT(27)
|
|
#define SUN4I_TCON0_IO_POL_DCLK_DRIVE_NEGEDGE BIT(26)
|
|
#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
|
|
/* there is no documentation about this bit */
|
|
#define SUN4I_TCON1_IO_POL_UNKNOWN BIT(26)
|
|
#define SUN4I_TCON1_IO_POL_HSYNC_POSITIVE BIT(25)
|
|
#define SUN4I_TCON1_IO_POL_VSYNC_POSITIVE BIT(24)
|
|
|
|
#define SUN4I_TCON1_IO_TRI_REG 0xf4
|
|
|
|
#define SUN4I_TCON_ECC_FIFO_REG 0xf8
|
|
#define SUN4I_TCON_ECC_FIFO_EN BIT(3)
|
|
|
|
#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_TCON0_CPU_TRI0_REG 0x160
|
|
#define SUN4I_TCON0_CPU_TRI0_BLOCK_SPACE(space) ((((space) - 1) & 0xfff) << 16)
|
|
#define SUN4I_TCON0_CPU_TRI0_BLOCK_SIZE(size) (((size) - 1) & 0xfff)
|
|
|
|
#define SUN4I_TCON0_CPU_TRI1_REG 0x164
|
|
#define SUN4I_TCON0_CPU_TRI1_BLOCK_NUM(num) (((num) - 1) & 0xffff)
|
|
|
|
#define SUN4I_TCON0_CPU_TRI2_REG 0x168
|
|
#define SUN4I_TCON0_CPU_TRI2_START_DELAY(delay) (((delay) & 0xffff) << 16)
|
|
#define SUN4I_TCON0_CPU_TRI2_TRANS_START_SET(set) ((set) & 0xfff)
|
|
|
|
#define SUN4I_TCON_SAFE_PERIOD_REG 0x1f0
|
|
#define SUN4I_TCON_SAFE_PERIOD_NUM(num) (((num) & 0xfff) << 16)
|
|
#define SUN4I_TCON_SAFE_PERIOD_MODE(mode) ((mode) & 0x3)
|
|
|
|
#define SUN4I_TCON_MUX_CTRL_REG 0x200
|
|
|
|
#define SUN4I_TCON0_LVDS_ANA0_REG 0x220
|
|
#define SUN4I_TCON0_LVDS_ANA0_DCHS BIT(16)
|
|
#define SUN4I_TCON0_LVDS_ANA0_PD (BIT(20) | BIT(21))
|
|
#define SUN4I_TCON0_LVDS_ANA0_EN_MB BIT(22)
|
|
#define SUN4I_TCON0_LVDS_ANA0_REG_C (BIT(24) | BIT(25))
|
|
#define SUN4I_TCON0_LVDS_ANA0_REG_V (BIT(26) | BIT(27))
|
|
#define SUN4I_TCON0_LVDS_ANA0_CK_EN (BIT(29) | BIT(28))
|
|
|
|
#define SUN6I_TCON0_LVDS_ANA0_EN_MB BIT(31)
|
|
#define SUN6I_TCON0_LVDS_ANA0_EN_LDO BIT(30)
|
|
#define SUN6I_TCON0_LVDS_ANA0_EN_DRVC BIT(24)
|
|
#define SUN6I_TCON0_LVDS_ANA0_EN_DRVD(x) (((x) & 0xf) << 20)
|
|
#define SUN6I_TCON0_LVDS_ANA0_C(x) (((x) & 3) << 17)
|
|
#define SUN6I_TCON0_LVDS_ANA0_V(x) (((x) & 3) << 8)
|
|
#define SUN6I_TCON0_LVDS_ANA0_PD(x) (((x) & 3) << 4)
|
|
|
|
#define SUN4I_TCON0_LVDS_ANA1_REG 0x224
|
|
#define SUN4I_TCON0_LVDS_ANA1_INIT (0x1f << 26 | 0x1f << 10)
|
|
#define SUN4I_TCON0_LVDS_ANA1_UPDATE (0x1f << 16 | 0x1f << 00)
|
|
|
|
#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_0; /* a83t does not have channel 0 on second TCON */
|
|
bool has_channel_1; /* a33 does not have channel 1 */
|
|
bool has_lvds_alt; /* Does the LVDS clock have a parent other than the TCON clock? */
|
|
bool needs_de_be_mux; /* sun6i needs mux to select backend */
|
|
bool needs_edp_reset; /* a80 edp reset needed for tcon0 access */
|
|
bool supports_lvds; /* Does the TCON support an LVDS output? */
|
|
bool polarity_in_ch0; /* some tcon1 channels have polarity bits in tcon0 pol register */
|
|
u8 dclk_min_div; /* minimum divider for TCON0 DCLK */
|
|
|
|
/* callback to handle tcon muxing options */
|
|
int (*set_mux)(struct sun4i_tcon *, const struct drm_encoder *);
|
|
/* handler for LVDS setup routine */
|
|
void (*setup_lvds_phy)(struct sun4i_tcon *tcon,
|
|
const struct drm_encoder *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;
|
|
|
|
/* Possible mux for the LVDS clock */
|
|
struct clk *lvds_pll;
|
|
|
|
/* Pixel clock */
|
|
struct clk *dclk;
|
|
u8 dclk_max_div;
|
|
u8 dclk_min_div;
|
|
|
|
/* Reset control */
|
|
struct reset_control *lcd_rst;
|
|
struct reset_control *lvds_rst;
|
|
|
|
/* 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);
|
|
|
|
extern const struct of_device_id sun4i_tcon_of_table[];
|
|
|
|
#endif /* __SUN4I_TCON_H__ */
|