sunxi: video: Split out TCON code

TCON unit has similar layout and functionality also on newer SoCs. This
commit splits out TCON code for easier reuse later.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 128 insertions, 103 deletions

diff --git a/arch/arm/include/asm/arch-sunxi/display.h b/arch/arm/include/asm/arch-sunxi/display.h
index b64f310b8bf..93803addfbe 100644
--- a/arch/arm/include/asm/arch-sunxi/display.h
+++ b/arch/arm/include/asm/arch-sunxi/display.h
@@ -157,52 +157,6 @@ struct sunxi_de_be_reg {
 	u32 output_color_coef[12];	/* 0x9d0 */
 };
 
-struct sunxi_lcdc_reg {
-	u32 ctrl;			/* 0x00 */
-	u32 int0;			/* 0x04 */
-	u32 int1;			/* 0x08 */
-	u8 res0[0x04];			/* 0x0c */
-	u32 tcon0_frm_ctrl;		/* 0x10 */
-	u32 tcon0_frm_seed[6];		/* 0x14 */
-	u32 tcon0_frm_table[4];		/* 0x2c */
-	u8 res1[4];			/* 0x3c */
-	u32 tcon0_ctrl;			/* 0x40 */
-	u32 tcon0_dclk;			/* 0x44 */
-	u32 tcon0_timing_active;	/* 0x48 */
-	u32 tcon0_timing_h;		/* 0x4c */
-	u32 tcon0_timing_v;		/* 0x50 */
-	u32 tcon0_timing_sync;		/* 0x54 */
-	u32 tcon0_hv_intf;		/* 0x58 */
-	u8 res2[0x04];			/* 0x5c */
-	u32 tcon0_cpu_intf;		/* 0x60 */
-	u32 tcon0_cpu_wr_dat;		/* 0x64 */
-	u32 tcon0_cpu_rd_dat0;		/* 0x68 */
-	u32 tcon0_cpu_rd_dat1;		/* 0x6c */
-	u32 tcon0_ttl_timing0;		/* 0x70 */
-	u32 tcon0_ttl_timing1;		/* 0x74 */
-	u32 tcon0_ttl_timing2;		/* 0x78 */
-	u32 tcon0_ttl_timing3;		/* 0x7c */
-	u32 tcon0_ttl_timing4;		/* 0x80 */
-	u32 tcon0_lvds_intf;		/* 0x84 */
-	u32 tcon0_io_polarity;		/* 0x88 */
-	u32 tcon0_io_tristate;		/* 0x8c */
-	u32 tcon1_ctrl;			/* 0x90 */
-	u32 tcon1_timing_source;	/* 0x94 */
-	u32 tcon1_timing_scale;		/* 0x98 */
-	u32 tcon1_timing_out;		/* 0x9c */
-	u32 tcon1_timing_h;		/* 0xa0 */
-	u32 tcon1_timing_v;		/* 0xa4 */
-	u32 tcon1_timing_sync;		/* 0xa8 */
-	u8 res3[0x44];			/* 0xac */
-	u32 tcon1_io_polarity;		/* 0xf0 */
-	u32 tcon1_io_tristate;		/* 0xf4 */
-	u8 res4[0x108];			/* 0xf8 */
-	u32 mux_ctrl;			/* 0x200 */
-	u8 res5[0x1c];			/* 0x204 */
-	u32 lvds_ana0;			/* 0x220 */
-	u32 lvds_ana1;			/* 0x224 */
-};
-
 struct sunxi_hdmi_reg {
 	u32 version_id;			/* 0x000 */
 	u32 ctrl;			/* 0x004 */
@@ -347,63 +301,6 @@ struct sunxi_tve_reg {
 #define SUNXI_DE_BE_OUTPUT_COLOR_CTRL_ENABLE	1
 
 /*
- * LCDC register constants.
- */
-#define SUNXI_LCDC_X(x)				(((x) - 1) << 16)
-#define SUNXI_LCDC_Y(y)				(((y) - 1) << 0)
-#define SUNXI_LCDC_TCON_VSYNC_MASK		(1 << 24)
-#define SUNXI_LCDC_TCON_HSYNC_MASK		(1 << 25)
-#define SUNXI_LCDC_CTRL_IO_MAP_MASK		(1 << 0)
-#define SUNXI_LCDC_CTRL_IO_MAP_TCON0		(0 << 0)
-#define SUNXI_LCDC_CTRL_IO_MAP_TCON1		(1 << 0)
-#define SUNXI_LCDC_CTRL_TCON_ENABLE		(1 << 31)
-#define SUNXI_LCDC_TCON0_FRM_CTRL_RGB666	((1 << 31) | (0 << 4))
-#define SUNXI_LCDC_TCON0_FRM_CTRL_RGB565	((1 << 31) | (5 << 4))
-#define SUNXI_LCDC_TCON0_FRM_SEED		0x11111111
-#define SUNXI_LCDC_TCON0_FRM_TAB0		0x01010000
-#define SUNXI_LCDC_TCON0_FRM_TAB1		0x15151111
-#define SUNXI_LCDC_TCON0_FRM_TAB2		0x57575555
-#define SUNXI_LCDC_TCON0_FRM_TAB3		0x7f7f7777
-#define SUNXI_LCDC_TCON0_CTRL_CLK_DELAY(n)	(((n) & 0x1f) << 4)
-#define SUNXI_LCDC_TCON0_CTRL_ENABLE		(1 << 31)
-#define SUNXI_LCDC_TCON0_DCLK_DIV(n)		((n) << 0)
-#define SUNXI_LCDC_TCON0_DCLK_ENABLE		(0xf << 28)
-#define SUNXI_LCDC_TCON0_TIMING_H_BP(n)		(((n) - 1) << 0)
-#define SUNXI_LCDC_TCON0_TIMING_H_TOTAL(n)	(((n) - 1) << 16)
-#define SUNXI_LCDC_TCON0_TIMING_V_BP(n)		(((n) - 1) << 0)
-#define SUNXI_LCDC_TCON0_TIMING_V_TOTAL(n)	(((n) * 2) << 16)
-#ifdef CONFIG_SUNXI_GEN_SUN6I
-#define SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0	(1 << 20)
-#else
-#define SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0	0 /* NA */
-#endif
-#define SUNXI_LCDC_TCON0_LVDS_INTF_BITWIDTH(n)	((n) << 26)
-#define SUNXI_LCDC_TCON0_LVDS_INTF_ENABLE	(1 << 31)
-#define SUNXI_LCDC_TCON0_IO_POL_DCLK_PHASE(x)	((x) << 28)
-#define SUNXI_LCDC_TCON1_CTRL_CLK_DELAY(n)	(((n) & 0x1f) << 4)
-#define SUNXI_LCDC_TCON1_CTRL_INTERLACE_ENABLE	(1 << 20)
-#define SUNXI_LCDC_TCON1_CTRL_ENABLE		(1 << 31)
-#define SUNXI_LCDC_TCON1_TIMING_H_BP(n)		(((n) - 1) << 0)
-#define SUNXI_LCDC_TCON1_TIMING_H_TOTAL(n)	(((n) - 1) << 16)
-#define SUNXI_LCDC_TCON1_TIMING_V_BP(n)		(((n) - 1) << 0)
-#define SUNXI_LCDC_TCON1_TIMING_V_TOTAL(n)	((n) << 16)
-#define SUNXI_LCDC_MUX_CTRL_SRC0_MASK		(0xf << 0)
-#define SUNXI_LCDC_MUX_CTRL_SRC0(x)		((x) << 0)
-#define SUNXI_LCDC_MUX_CTRL_SRC1_MASK		(0xf << 4)
-#define SUNXI_LCDC_MUX_CTRL_SRC1(x)		((x) << 4)
-#ifdef CONFIG_SUNXI_GEN_SUN6I
-#define SUNXI_LCDC_LVDS_ANA0			0x40040320
-#define SUNXI_LCDC_LVDS_ANA0_EN_MB		(1 << 31)
-#define SUNXI_LCDC_LVDS_ANA0_DRVC		(1 << 24)
-#define SUNXI_LCDC_LVDS_ANA0_DRVD(x)		((x) << 20)
-#else
-#define SUNXI_LCDC_LVDS_ANA0			0x3f310000
-#define SUNXI_LCDC_LVDS_ANA0_UPDATE		(1 << 22)
-#endif
-#define SUNXI_LCDC_LVDS_ANA1_INIT1		(0x1f << 26 | 0x1f << 10)
-#define SUNXI_LCDC_LVDS_ANA1_INIT2		(0x1f << 16 | 0x1f << 00)
-
-/*
  * HDMI register constants.
  */
 #define SUNXI_HDMI_X(x)				(((x) - 1) << 0)
diff --git a/arch/arm/include/asm/arch-sunxi/lcdc.h b/arch/arm/include/asm/arch-sunxi/lcdc.h
new file mode 100644
index 00000000000..e4c8c160ed1
--- /dev/null
+++ b/arch/arm/include/asm/arch-sunxi/lcdc.h
@@ -0,0 +1,128 @@
+/*
+ * Sunxi platform timing controller register and constant defines
+ *
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
+ * (C) Copyright 2017 Jernej Skrabec <jernej.skrabec@siol.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _LCDC_H
+#define _LCDC_H
+
+struct ctfb_res_modes;
+
+struct sunxi_lcdc_reg {
+	u32 ctrl;			/* 0x00 */
+	u32 int0;			/* 0x04 */
+	u32 int1;			/* 0x08 */
+	u8 res0[0x04];			/* 0x0c */
+	u32 tcon0_frm_ctrl;		/* 0x10 */
+	u32 tcon0_frm_seed[6];		/* 0x14 */
+	u32 tcon0_frm_table[4];		/* 0x2c */
+	u8 res1[4];			/* 0x3c */
+	u32 tcon0_ctrl;			/* 0x40 */
+	u32 tcon0_dclk;			/* 0x44 */
+	u32 tcon0_timing_active;	/* 0x48 */
+	u32 tcon0_timing_h;		/* 0x4c */
+	u32 tcon0_timing_v;		/* 0x50 */
+	u32 tcon0_timing_sync;		/* 0x54 */
+	u32 tcon0_hv_intf;		/* 0x58 */
+	u8 res2[0x04];			/* 0x5c */
+	u32 tcon0_cpu_intf;		/* 0x60 */
+	u32 tcon0_cpu_wr_dat;		/* 0x64 */
+	u32 tcon0_cpu_rd_dat0;		/* 0x68 */
+	u32 tcon0_cpu_rd_dat1;		/* 0x6c */
+	u32 tcon0_ttl_timing0;		/* 0x70 */
+	u32 tcon0_ttl_timing1;		/* 0x74 */
+	u32 tcon0_ttl_timing2;		/* 0x78 */
+	u32 tcon0_ttl_timing3;		/* 0x7c */
+	u32 tcon0_ttl_timing4;		/* 0x80 */
+	u32 tcon0_lvds_intf;		/* 0x84 */
+	u32 tcon0_io_polarity;		/* 0x88 */
+	u32 tcon0_io_tristate;		/* 0x8c */
+	u32 tcon1_ctrl;			/* 0x90 */
+	u32 tcon1_timing_source;	/* 0x94 */
+	u32 tcon1_timing_scale;		/* 0x98 */
+	u32 tcon1_timing_out;		/* 0x9c */
+	u32 tcon1_timing_h;		/* 0xa0 */
+	u32 tcon1_timing_v;		/* 0xa4 */
+	u32 tcon1_timing_sync;		/* 0xa8 */
+	u8 res3[0x44];			/* 0xac */
+	u32 tcon1_io_polarity;		/* 0xf0 */
+	u32 tcon1_io_tristate;		/* 0xf4 */
+	u8 res4[0x108];			/* 0xf8 */
+	u32 mux_ctrl;			/* 0x200 */
+	u8 res5[0x1c];			/* 0x204 */
+	u32 lvds_ana0;			/* 0x220 */
+	u32 lvds_ana1;			/* 0x224 */
+};
+
+/*
+ * LCDC register constants.
+ */
+#define SUNXI_LCDC_X(x)				(((x) - 1) << 16)
+#define SUNXI_LCDC_Y(y)				(((y) - 1) << 0)
+#define SUNXI_LCDC_TCON_VSYNC_MASK		(1 << 24)
+#define SUNXI_LCDC_TCON_HSYNC_MASK		(1 << 25)
+#define SUNXI_LCDC_CTRL_IO_MAP_MASK		(1 << 0)
+#define SUNXI_LCDC_CTRL_IO_MAP_TCON0		(0 << 0)
+#define SUNXI_LCDC_CTRL_IO_MAP_TCON1		(1 << 0)
+#define SUNXI_LCDC_CTRL_TCON_ENABLE		(1 << 31)
+#define SUNXI_LCDC_TCON0_FRM_CTRL_RGB666	((1 << 31) | (0 << 4))
+#define SUNXI_LCDC_TCON0_FRM_CTRL_RGB565	((1 << 31) | (5 << 4))
+#define SUNXI_LCDC_TCON0_FRM_SEED		0x11111111
+#define SUNXI_LCDC_TCON0_FRM_TAB0		0x01010000
+#define SUNXI_LCDC_TCON0_FRM_TAB1		0x15151111
+#define SUNXI_LCDC_TCON0_FRM_TAB2		0x57575555
+#define SUNXI_LCDC_TCON0_FRM_TAB3		0x7f7f7777
+#define SUNXI_LCDC_TCON0_CTRL_CLK_DELAY(n)	(((n) & 0x1f) << 4)
+#define SUNXI_LCDC_TCON0_CTRL_ENABLE		(1 << 31)
+#define SUNXI_LCDC_TCON0_DCLK_DIV(n)		((n) << 0)
+#define SUNXI_LCDC_TCON0_DCLK_ENABLE		(0xf << 28)
+#define SUNXI_LCDC_TCON0_TIMING_H_BP(n)		(((n) - 1) << 0)
+#define SUNXI_LCDC_TCON0_TIMING_H_TOTAL(n)	(((n) - 1) << 16)
+#define SUNXI_LCDC_TCON0_TIMING_V_BP(n)		(((n) - 1) << 0)
+#define SUNXI_LCDC_TCON0_TIMING_V_TOTAL(n)	(((n) * 2) << 16)
+#ifdef CONFIG_SUNXI_GEN_SUN6I
+#define SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0	(1 << 20)
+#else
+#define SUNXI_LCDC_TCON0_LVDS_CLK_SEL_TCON0	0 /* NA */
+#endif
+#define SUNXI_LCDC_TCON0_LVDS_INTF_BITWIDTH(n)	((n) << 26)
+#define SUNXI_LCDC_TCON0_LVDS_INTF_ENABLE	(1 << 31)
+#define SUNXI_LCDC_TCON0_IO_POL_DCLK_PHASE(x)	((x) << 28)
+#define SUNXI_LCDC_TCON1_CTRL_CLK_DELAY(n)	(((n) & 0x1f) << 4)
+#define SUNXI_LCDC_TCON1_CTRL_INTERLACE_ENABLE	(1 << 20)
+#define SUNXI_LCDC_TCON1_CTRL_ENABLE		(1 << 31)
+#define SUNXI_LCDC_TCON1_TIMING_H_BP(n)		(((n) - 1) << 0)
+#define SUNXI_LCDC_TCON1_TIMING_H_TOTAL(n)	(((n) - 1) << 16)
+#define SUNXI_LCDC_TCON1_TIMING_V_BP(n)		(((n) - 1) << 0)
+#define SUNXI_LCDC_TCON1_TIMING_V_TOTAL(n)	((n) << 16)
+#define SUNXI_LCDC_MUX_CTRL_SRC0_MASK		(0xf << 0)
+#define SUNXI_LCDC_MUX_CTRL_SRC0(x)		((x) << 0)
+#define SUNXI_LCDC_MUX_CTRL_SRC1_MASK		(0xf << 4)
+#define SUNXI_LCDC_MUX_CTRL_SRC1(x)		((x) << 4)
+#ifdef CONFIG_SUNXI_GEN_SUN6I
+#define SUNXI_LCDC_LVDS_ANA0			0x40040320
+#define SUNXI_LCDC_LVDS_ANA0_EN_MB		(1 << 31)
+#define SUNXI_LCDC_LVDS_ANA0_DRVC		(1 << 24)
+#define SUNXI_LCDC_LVDS_ANA0_DRVD(x)		((x) << 20)
+#else
+#define SUNXI_LCDC_LVDS_ANA0			0x3f310000
+#define SUNXI_LCDC_LVDS_ANA0_UPDATE		(1 << 22)
+#endif
+#define SUNXI_LCDC_LVDS_ANA1_INIT1		(0x1f << 26 | 0x1f << 10)
+#define SUNXI_LCDC_LVDS_ANA1_INIT2		(0x1f << 16 | 0x1f << 00)
+
+void lcdc_init(struct sunxi_lcdc_reg * const lcdc);
+void lcdc_enable(struct sunxi_lcdc_reg * const lcdc, int depth);
+void lcdc_tcon0_mode_set(struct sunxi_lcdc_reg * const lcdc,
+			 const struct ctfb_res_modes *mode,
+			 int clk_div, bool for_ext_vga_dac,
+			 int depth, int dclk_phase);
+void lcdc_tcon1_mode_set(struct sunxi_lcdc_reg * const lcdc,
+			 const struct ctfb_res_modes *mode,
+			 bool ext_hvsync, bool is_composite);
+
+#endif /* _LCDC_H */