/* * 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_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_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_TCON0_LVDS_ANA0_REG 0x220 #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_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 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 */ /* 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; /* 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; 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); extern const struct of_device_id sun4i_tcon_of_table[]; #endif /* __SUN4I_TCON_H__ */