Some rockchip SoCs include video output (VOP). Add a driver to support this. It can output via a display driver (UCLASS_DISPLAY) and currently HDMI and eDP are supported.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/include/asm/arch-rockchip/vop_rk3288.h | 349 ++++++++++++++++++++++++ drivers/video/rockchip/Makefile | 2 +- drivers/video/rockchip/rk_vop.c | 346 +++++++++++++++++++++++ 3 files changed, 696 insertions(+), 1 deletion(-) create mode 100644 arch/arm/include/asm/arch-rockchip/vop_rk3288.h create mode 100644 drivers/video/rockchip/rk_vop.c
diff --git a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h new file mode 100644 index 0000000..0104ba3 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h @@ -0,0 +1,349 @@ +/* + * Copyright (c) 2015 Google, Inc + * Copyright 2014 Rockchip Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARCH_VOP_RK3288_H +#define _ASM_ARCH_VOP_RK3288_H + +struct rk3288_vop { + u32 reg_cfg_done; + u32 version_info; + u32 sys_ctrl; + u32 sys_ctrl1; + u32 dsp_ctrl0; + u32 dsp_ctrl1; + u32 dsp_bg; + u32 mcu_ctrl; + u32 intr_ctrl0; + u32 intr_ctrl1; + u32 intr_reserved0; + u32 intr_reserved1; + + u32 win0_ctrl0; + u32 win0_ctrl1; + u32 win0_color_key; + u32 win0_vir; + u32 win0_yrgb_mst; + u32 win0_cbr_mst; + u32 win0_act_info; + u32 win0_dsp_info; + u32 win0_dsp_st; + u32 win0_scl_factor_yrgb; + u32 win0_scl_factor_cbr; + u32 win0_scl_offset; + u32 win0_src_alpha_ctrl; + u32 win0_dst_alpha_ctrl; + u32 win0_fading_ctrl; + u32 win0_reserved0; + + u32 win1_ctrl0; + u32 win1_ctrl1; + u32 win1_color_key; + u32 win1_vir; + u32 win1_yrgb_mst; + u32 win1_cbr_mst; + u32 win1_act_info; + u32 win1_dsp_info; + u32 win1_dsp_st; + u32 win1_scl_factor_yrgb; + u32 win1_scl_factor_cbr; + u32 win1_scl_offset; + u32 win1_src_alpha_ctrl; + u32 win1_dst_alpha_ctrl; + u32 win1_fading_ctrl; + u32 win1_reservd0; + u32 reserved2[48]; + u32 post_dsp_hact_info; + u32 post_dsp_vact_info; + u32 post_scl_factor_yrgb; + u32 post_reserved; + u32 post_scl_ctrl; + u32 post_dsp_vact_info_f1; + u32 dsp_htotal_hs_end; + u32 dsp_hact_st_end; + u32 dsp_vtotal_vs_end; + u32 dsp_vact_st_end; + u32 dsp_vs_st_end_f1; + u32 dsp_vact_st_end_f1; +}; +check_member(rk3288_vop, dsp_vact_st_end_f1, 0x19c); + +enum rockchip_fb_data_format_t { + ARGB8888 = 0, + RGB888 = 1, + RGB565 = 2, +}; + +enum { + LB_YUV_3840X5 = 0x0, + LB_YUV_2560X8 = 0x1, + LB_RGB_3840X2 = 0x2, + LB_RGB_2560X4 = 0x3, + LB_RGB_1920X5 = 0x4, + LB_RGB_1280X8 = 0x5 +}; + +enum vop_modes { + VOP_MODE_EDP = 0, + VOP_MODE_HDMI, + VOP_MODE_NONE, + VOP_MODE_AUTO_DETECT, + VOP_MODE_UNKNOWN, +}; + +/* VOP_VERSION_INFO */ +#define M_FPGA_VERSION (0xffff << 16) +#define M_RTL_VERSION (0xffff) + +/* VOP_SYS_CTRL */ +#define M_AUTO_GATING_EN (1 << 23) +#define M_STANDBY_EN (1 << 22) +#define M_DMA_STOP (1 << 21) +#define M_MMU_EN (1 << 20) +#define M_DAM_BURST_LENGTH (0x3 << 18) +#define M_MIPI_OUT_EN (1 << 15) +#define M_EDP_OUT_EN (1 << 14) +#define M_HDMI_OUT_EN (1 << 13) +#define M_RGB_OUT_EN (1 << 12) +#define M_ALL_OUT_EN \ + (M_MIPI_OUT_EN | M_EDP_OUT_EN | M_HDMI_OUT_EN | M_RGB_OUT_EN) +#define M_EDPI_WMS_FS (1 << 10) +#define M_EDPI_WMS_MODE (1 << 9) +#define M_EDPI_HALT_EN (1 << 8) +#define M_DOUB_CH_OVERLAP_NUM (0xf << 4) +#define M_DOUB_CHANNEL_EN (1 << 3) +#define M_DIRECT_PATH_LAYER_SEL (0x3 << 1) +#define M_DIRECT_PATH_EN (1) + +#define V_AUTO_GATING_EN(x) (((x) & 1) << 23) +#define V_STANDBY_EN(x) (((x) & 1) << 22) +#define V_DMA_STOP(x) (((x) & 1) << 21) +#define V_MMU_EN(x) (((x) & 1) << 20) +#define V_DMA_BURST_LENGTH(x) (((x) & 3) << 18) +#define V_MIPI_OUT_EN(x) (((x) & 1) << 15) +#define V_EDP_OUT_EN(x) (((x) & 1) << 14) +#define V_HDMI_OUT_EN(x) (((x) & 1) << 13) +#define V_RGB_OUT_EN(x) (((x) & 1) << 12) +#define V_EDPI_WMS_FS(x) (((x) & 1) << 10) +#define V_EDPI_WMS_MODE(x) (((x) & 1) << 9) +#define V_EDPI_HALT_EN(x) (((x)&1)<<8) +#define V_DOUB_CH_OVERLAP_NUM(x) (((x) & 0xf) << 4) +#define V_DOUB_CHANNEL_EN(x) (((x) & 1) << 3) +#define V_DIRECT_PATH_LAYER_SEL(x) (((x) & 3) << 1) +#define V_DIRECT_PATH_EN(x) ((x) & 1) + +/* VOP_SYS_CTRL1 */ +#define M_AXI_OUTSTANDING_MAX_NUM (0x1f << 13) +#define M_AXI_MAX_OUTSTANDING_EN (1 << 12) +#define M_NOC_WIN_QOS (3 << 10) +#define M_NOC_QOS_EN (1 << 9) +#define M_NOC_HURRY_THRESHOLD (0x3f << 3) +#define M_NOC_HURRY_VALUE (0x3 << 1) +#define M_NOC_HURRY_EN (1) + +#define V_AXI_OUTSTANDING_MAX_NUM(x) (((x) & 0x1f) << 13) +#define V_AXI_MAX_OUTSTANDING_EN(x) (((x) & 1) << 12) +#define V_NOC_WIN_QOS(x) (((x) & 3) << 10) +#define V_NOC_QOS_EN(x) (((x) & 1) << 9) +#define V_NOC_HURRY_THRESHOLD(x) (((x) & 0x3f) << 3) +#define V_NOC_HURRY_VALUE(x) (((x) & 3) << 1) +#define V_NOC_HURRY_EN(x) ((x) & 1) + +/* VOP_DSP_CTRL0 */ +#define M_DSP_Y_MIR_EN (1 << 23) +#define M_DSP_X_MIR_EN (1 << 22) +#define M_DSP_YUV_CLIP (1 << 21) +#define M_DSP_CCIR656_AVG (1 << 20) +#define M_DSP_BLACK_EN (1 << 19) +#define M_DSP_BLANK_EN (1 << 18) +#define M_DSP_OUT_ZERO (1 << 17) +#define M_DSP_DUMMY_SWAP (1 << 16) +#define M_DSP_DELTA_SWAP (1 << 15) +#define M_DSP_RG_SWAP (1 << 14) +#define M_DSP_RB_SWAP (1 << 13) +#define M_DSP_BG_SWAP (1 << 12) +#define M_DSP_FIELD_POL (1 << 11) +#define M_DSP_INTERLACE (1 << 10) +#define M_DSP_DDR_PHASE (1 << 9) +#define M_DSP_DCLK_DDR (1 << 8) +#define M_DSP_DCLK_POL (1 << 7) +#define M_DSP_DEN_POL (1 << 6) +#define M_DSP_VSYNC_POL (1 << 5) +#define M_DSP_HSYNC_POL (1 << 4) +#define M_DSP_OUT_MODE (0xf) + +#define V_DSP_Y_MIR_EN(x) (((x) & 1) << 23) +#define V_DSP_X_MIR_EN(x) (((x) & 1) << 22) +#define V_DSP_YUV_CLIP(x) (((x) & 1) << 21) +#define V_DSP_CCIR656_AVG(x) (((x) & 1) << 20) +#define V_DSP_BLACK_EN(x) (((x) & 1) << 19) +#define V_DSP_BLANK_EN(x) (((x) & 1) << 18) +#define V_DSP_OUT_ZERO(x) (((x) & 1) << 17) +#define V_DSP_DUMMY_SWAP(x) (((x) & 1) << 16) +#define V_DSP_DELTA_SWAP(x) (((x) & 1) << 15) +#define V_DSP_RG_SWAP(x) (((x) & 1) << 14) +#define V_DSP_RB_SWAP(x) (((x) & 1) << 13) +#define V_DSP_BG_SWAP(x) (((x) & 1) << 12) +#define V_DSP_FIELD_POL(x) (((x) & 1) << 11) +#define V_DSP_INTERLACE(x) (((x) & 1) << 10) +#define V_DSP_DDR_PHASE(x) (((x) & 1) << 9) +#define V_DSP_DCLK_DDR(x) (((x) & 1) << 8) +#define V_DSP_DCLK_POL(x) (((x) & 1) << 7) +#define V_DSP_DEN_POL(x) (((x) & 1) << 6) +#define V_DSP_VSYNC_POL(x) (((x) & 1) << 5) +#define V_DSP_HSYNC_POL(x) (((x) & 1) << 4) +#define V_DSP_OUT_MODE(x) ((x) & 0xf) + +/* VOP_DSP_CTRL1 */ +#define M_DSP_LAYER3_SEL (3 << 14) +#define M_DSP_LAYER2_SEL (3 << 12) +#define M_DSP_LAYER1_SEL (3 << 10) +#define M_DSP_LAYER0_SEL (3 << 8) +#define M_DITHER_UP_EN (1 << 6) +#define M_DITHER_DOWN_SEL (1 << 4) +#define M_DITHER_DOWN_MODE (1 << 3) +#define M_DITHER_DOWN_EN (1 << 2) +#define M_PRE_DITHER_DOWN_EN (1 << 1) +#define M_DSP_LUT_EN (1) + +#define V_DSP_LAYER3_SEL(x) (((x) & 3) << 14) +#define V_DSP_LAYER2_SEL(x) (((x) & 3) << 12) +#define V_DSP_LAYER1_SEL(x) (((x) & 3) << 10) +#define V_DSP_LAYER0_SEL(x) (((x) & 3) << 8) +#define V_DITHER_UP_EN(x) (((x) & 1) << 6) +#define V_DITHER_DOWN_SEL(x) (((x) & 1) << 4) +#define V_DITHER_DOWN_MODE(x) (((x) & 1) << 3) +#define V_DITHER_DOWN_EN(x) (((x) & 1) << 2) +#define V_PRE_DITHER_DOWN_EN(x) (((x) & 1) << 1) +#define V_DSP_LUT_EN(x) ((x)&1) + +/* VOP_DSP_BG */ +#define M_DSP_BG_RED (0x3f << 20) +#define M_DSP_BG_GREEN (0x3f << 10) +#define M_DSP_BG_BLUE (0x3f << 0) + +#define V_DSP_BG_RED(x) (((x) & 0x3f) << 20) +#define V_DSP_BG_GREEN(x) (((x) & 0x3f) << 10) +#define V_DSP_BG_BLUE(x) (((x) & 0x3f) << 0) + +/* VOP_WIN0_CTRL0 */ +#define M_WIN0_YUV_CLIP (1 << 20) +#define M_WIN0_CBR_DEFLICK (1 << 19) +#define M_WIN0_YRGB_DEFLICK (1 << 18) +#define M_WIN0_PPAS_ZERO_EN (1 << 16) +#define M_WIN0_UV_SWAP (1 << 15) +#define M_WIN0_MID_SWAP (1 << 14) +#define M_WIN0_ALPHA_SWAP (1 << 13) +#define M_WIN0_RB_SWAP (1 << 12) +#define M_WIN0_CSC_MODE (3 << 10) +#define M_WIN0_NO_OUTSTANDING (1 << 9) +#define M_WIN0_INTERLACE_READ (1 << 8) +#define M_WIN0_LB_MODE (7 << 5) +#define M_WIN0_FMT_10 (1 << 4) +#define M_WIN0_DATA_FMT (7 << 1) +#define M_WIN0_EN (1 << 0) + +#define V_WIN0_YUV_CLIP(x) (((x) & 1) << 20) +#define V_WIN0_CBR_DEFLICK(x) (((x) & 1) << 19) +#define V_WIN0_YRGB_DEFLICK(x) (((x) & 1) << 18) +#define V_WIN0_PPAS_ZERO_EN(x) (((x) & 1) << 16) +#define V_WIN0_UV_SWAP(x) (((x) & 1) << 15) +#define V_WIN0_MID_SWAP(x) (((x) & 1) << 14) +#define V_WIN0_ALPHA_SWAP(x) (((x) & 1) << 13) +#define V_WIN0_RB_SWAP(x) (((x) & 1) << 12) +#define V_WIN0_CSC_MODE(x) (((x) & 3) << 10) +#define V_WIN0_NO_OUTSTANDING(x) (((x) & 1) << 9) +#define V_WIN0_INTERLACE_READ(x) (((x) & 1) << 8) +#define V_WIN0_LB_MODE(x) (((x) & 7) << 5) +#define V_WIN0_FMT_10(x) (((x) & 1) << 4) +#define V_WIN0_DATA_FMT(x) (((x) & 7) << 1) +#define V_WIN0_EN(x) ((x) & 1) + +/* VOP_WIN0_CTRL1 */ +#define M_WIN0_CBR_VSD_MODE (1 << 31) +#define M_WIN0_CBR_VSU_MODE (1 << 30) +#define M_WIN0_CBR_HSD_MODE (3 << 28) +#define M_WIN0_CBR_VER_SCL_MODE (3 << 26) +#define M_WIN0_CBR_HOR_SCL_MODE (3 << 24) +#define M_WIN0_YRGB_VSD_MODE (1 << 23) +#define M_WIN0_YRGB_VSU_MODE (1 << 22) +#define M_WIN0_YRGB_HSD_MODE (3 << 20) +#define M_WIN0_YRGB_VER_SCL_MODE (3 << 18) +#define M_WIN0_YRGB_HOR_SCL_MODE (3 << 16) +#define M_WIN0_LINE_LOAD_MODE (1 << 15) +#define M_WIN0_CBR_AXI_GATHER_NUM (7 << 12) +#define M_WIN0_YRGB_AXI_GATHER_NUM (0xf << 8) +#define M_WIN0_VSD_CBR_GT2 (1 << 7) +#define M_WIN0_VSD_CBR_GT4 (1 << 6) +#define M_WIN0_VSD_YRGB_GT2 (1 << 5) +#define M_WIN0_VSD_YRGB_GT4 (1 << 4) +#define M_WIN0_BIC_COE_SEL (3 << 2) +#define M_WIN0_CBR_AXI_GATHER_EN (1 << 1) +#define M_WIN0_YRGB_AXI_GATHER_EN (1) + +#define V_WIN0_CBR_VSD_MODE(x) (((x) & 1) << 31) +#define V_WIN0_CBR_VSU_MODE(x) (((x) & 1) << 30) +#define V_WIN0_CBR_HSD_MODE(x) (((x) & 3) << 28) +#define V_WIN0_CBR_VER_SCL_MODE(x) (((x) & 3) << 26) +#define V_WIN0_CBR_HOR_SCL_MODE(x) (((x) & 3) << 24) +#define V_WIN0_YRGB_VSD_MODE(x) (((x) & 1) << 23) +#define V_WIN0_YRGB_VSU_MODE(x) (((x) & 1) << 22) +#define V_WIN0_YRGB_HSD_MODE(x) (((x) & 3) << 20) +#define V_WIN0_YRGB_VER_SCL_MODE(x) (((x) & 3) << 18) +#define V_WIN0_YRGB_HOR_SCL_MODE(x) (((x) & 3) << 16) +#define V_WIN0_LINE_LOAD_MODE(x) (((x) & 1) << 15) +#define V_WIN0_CBR_AXI_GATHER_NUM(x) (((x) & 7) << 12) +#define V_WIN0_YRGB_AXI_GATHER_NUM(x) (((x) & 0xf) << 8) +#define V_WIN0_VSD_CBR_GT2(x) (((x) & 1) << 7) +#define V_WIN0_VSD_CBR_GT4(x) (((x) & 1) << 6) +#define V_WIN0_VSD_YRGB_GT2(x) (((x) & 1) << 5) +#define V_WIN0_VSD_YRGB_GT4(x) (((x) & 1) << 4) +#define V_WIN0_BIC_COE_SEL(x) (((x) & 3) << 2) +#define V_WIN0_CBR_AXI_GATHER_EN(x) (((x) & 1) << 1) +#define V_WIN0_YRGB_AXI_GATHER_EN(x) ((x) & 1) + +/*VOP_WIN0_COLOR_KEY*/ +#define M_WIN0_KEY_EN (1 << 31) +#define M_WIN0_KEY_COLOR (0x3fffffff) + +#define V_WIN0_KEY_EN(x) (((x) & 1) << 31) +#define V_WIN0_KEY_COLOR(x) ((x) & 0x3fffffff) + +/* VOP_WIN0_VIR */ +#define V_ARGB888_VIRWIDTH(x) (((x) & 0x3fff) << 0) +#define V_RGB888_VIRWIDTH(x) (((((x * 3) >> 2)+((x) % 3)) & 0x3fff) << 0) +#define V_RGB565_VIRWIDTH(x) (((x / 2) & 0x3fff) << 0) +#define YUV_VIRWIDTH(x) (((x / 4) & 0x3fff) << 0) + +/* VOP_WIN0_ACT_INFO */ +#define V_ACT_HEIGHT(x) (((x) & 0x1fff) << 16) +#define V_ACT_WIDTH(x) ((x) & 0x1fff) + +/* VOP_WIN0_DSP_INFO */ +#define V_DSP_HEIGHT(x) (((x) & 0xfff) << 16) +#define V_DSP_WIDTH(x) ((x) & 0xfff) + +/* VOP_WIN0_DSP_ST */ +#define V_DSP_YST(x) (((x) & 0x1fff) << 16) +#define V_DSP_XST(x) ((x) & 0x1fff) + +/* VOP_WIN0_SCL_OFFSET */ +#define V_WIN0_VS_OFFSET_CBR(x) (((x) & 0xff) << 24) +#define V_WIN0_VS_OFFSET_YRGB(x) (((x) & 0xff) << 16) +#define V_WIN0_HS_OFFSET_CBR(x) (((x) & 0xff) << 8) +#define V_WIN0_HS_OFFSET_YRGB(x) ((x) & 0xff) + +#define V_HSYNC(x) (((x)&0x1fff)<<0) /* hsync pulse width */ +#define V_HORPRD(x) (((x)&0x1fff)<<16) /* horizontal period */ +#define V_VSYNC(x) (((x)&0x1fff)<<0) +#define V_VERPRD(x) (((x)&0x1fff)<<16) + +#define V_HEAP(x) (((x)&0x1fff)<<0)/* horizontal active end */ +#define V_HASP(x) (((x)&0x1fff)<<16)/* horizontal active start */ +#define V_VAEP(x) (((x)&0x1fff)<<0) +#define V_VASP(x) (((x)&0x1fff)<<16) + +#endif diff --git a/drivers/video/rockchip/Makefile b/drivers/video/rockchip/Makefile index 5566719..0e9a8ac 100644 --- a/drivers/video/rockchip/Makefile +++ b/drivers/video/rockchip/Makefile @@ -5,4 +5,4 @@ # SPDX-License-Identifier: GPL-2.0+ #
-obj-y += rk_edp.o rk_hdmi.o +obj-y += rk_edp.o rk_hdmi.o rk_vop.o diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c new file mode 100644 index 0000000..adbc68f --- /dev/null +++ b/drivers/video/rockchip/rk_vop.c @@ -0,0 +1,346 @@ +/* + * Copyright (c) 2015 Google, Inc + * Copyright 2014 Rockchip Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <clk.h> +#include <display.h> +#include <dm.h> +#include <edid.h> +#include <regmap.h> +#include <syscon.h> +#include <video.h> +#include <asm/gpio.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cru_rk3288.h> +#include <asm/arch/grf_rk3288.h> +#include <asm/arch/edp_rk3288.h> +#include <asm/arch/hdmi_rk3288.h> +#include <asm/arch/vop_rk3288.h> +#include <dm/device-internal.h> +#include <dm/uclass-internal.h> +#include <dt-bindings/clock/rk3288-cru.h> +#include <power/regulator.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct rk_vop_priv { + struct rk3288_vop *regs; + struct rk3288_grf *grf; +}; + +void rkvop_enable(struct rk3288_vop *regs, ulong fbbase, + int fb_bits_per_pixel, const struct display_timing *edid) +{ + u32 lb_mode; + u32 rgb_mode; + u32 hactive = edid->hactive.typ; + u32 vactive = edid->vactive.typ; + + writel(V_ACT_WIDTH(hactive - 1) | V_ACT_HEIGHT(vactive - 1), + ®s->win0_act_info); + + writel(V_DSP_XST(edid->hsync_len.typ + edid->hback_porch.typ) | + V_DSP_YST(edid->vsync_len.typ + edid->vback_porch.typ), + ®s->win0_dsp_st); + + writel(V_DSP_WIDTH(hactive - 1) | + V_DSP_HEIGHT(vactive - 1), + ®s->win0_dsp_info); + + clrsetbits_le32(®s->win0_color_key, M_WIN0_KEY_EN | M_WIN0_KEY_COLOR, + V_WIN0_KEY_EN(0) | V_WIN0_KEY_COLOR(0)); + + switch (fb_bits_per_pixel) { + case 16: + rgb_mode = RGB565; + writel(V_RGB565_VIRWIDTH(hactive), ®s->win0_vir); + break; + case 24: + rgb_mode = RGB888; + writel(V_RGB888_VIRWIDTH(hactive), ®s->win0_vir); + break; + case 32: + default: + rgb_mode = ARGB8888; + writel(V_ARGB888_VIRWIDTH(hactive), ®s->win0_vir); + break; + } + + if (hactive > 2560) + lb_mode = LB_RGB_3840X2; + else if (hactive > 1920) + lb_mode = LB_RGB_2560X4; + else if (hactive > 1280) + lb_mode = LB_RGB_1920X5; + else + lb_mode = LB_RGB_1280X8; + + clrsetbits_le32(®s->win0_ctrl0, + M_WIN0_LB_MODE | M_WIN0_DATA_FMT | M_WIN0_EN, + V_WIN0_LB_MODE(lb_mode) | V_WIN0_DATA_FMT(rgb_mode) | + V_WIN0_EN(1)); + + writel(fbbase, ®s->win0_yrgb_mst); + writel(0x01, ®s->reg_cfg_done); /* enable reg config */ +} + +void rkvop_mode_set(struct rk3288_vop *regs, + const struct display_timing *edid, enum vop_modes mode) +{ + u32 hactive = edid->hactive.typ; + u32 vactive = edid->vactive.typ; + u32 hsync_len = edid->hsync_len.typ; + u32 hback_porch = edid->hback_porch.typ; + u32 vsync_len = edid->vsync_len.typ; + u32 vback_porch = edid->vback_porch.typ; + u32 hfront_porch = edid->hfront_porch.typ; + u32 vfront_porch = edid->vfront_porch.typ; + uint flags; + + switch (mode) { + case VOP_MODE_HDMI: + clrsetbits_le32(®s->sys_ctrl, M_ALL_OUT_EN, + V_HDMI_OUT_EN(1)); + break; + case VOP_MODE_EDP: + default: + clrsetbits_le32(®s->sys_ctrl, M_ALL_OUT_EN, + V_EDP_OUT_EN(1)); + break; + } + + flags = V_DSP_OUT_MODE(15) | + V_DSP_HSYNC_POL(!!(edid->flags & DISPLAY_FLAGS_HSYNC_HIGH)) | + V_DSP_VSYNC_POL(!!(edid->flags & DISPLAY_FLAGS_VSYNC_HIGH)); + + clrsetbits_le32(®s->dsp_ctrl0, + M_DSP_OUT_MODE | M_DSP_VSYNC_POL | M_DSP_HSYNC_POL, + flags); + + writel(V_HSYNC(hsync_len) | + V_HORPRD(hsync_len + hback_porch + hactive + hfront_porch), + ®s->dsp_htotal_hs_end); + + writel(V_HEAP(hsync_len + hback_porch + hactive) | + V_HASP(hsync_len + hback_porch), + ®s->dsp_hact_st_end); + + writel(V_VSYNC(vsync_len) | + V_VERPRD(vsync_len + vback_porch + vactive + vfront_porch), + ®s->dsp_vtotal_vs_end); + + writel(V_VAEP(vsync_len + vback_porch + vactive)| + V_VASP(vsync_len + vback_porch), + ®s->dsp_vact_st_end); + + writel(V_HEAP(hsync_len + hback_porch + hactive) | + V_HASP(hsync_len + hback_porch), + ®s->post_dsp_hact_info); + + writel(V_VAEP(vsync_len + vback_porch + vactive)| + V_VASP(vsync_len + vback_porch), + ®s->post_dsp_vact_info); + + writel(0x01, ®s->reg_cfg_done); /* enable reg config */ +} + +/** + * rk_display_init() - Try to enable the given display device + * + * This function performs many steps: + * - Finds the display device being referenced by @ep_node + * - Puts the VOP's ID into its uclass platform data + * - Probes the device to set it up + * - Reads the EDID timing information + * - Sets up the VOP clocks, etc. for the selected pixel clock and display mode + * - Enables the display (the display device handles this and will do different + * things depending on the display type) + * - Tells the uclass about the display resolution so that the console will + * appear correctly + * + * @dev: VOP device that we want to connect to the display + * @fbbase: Frame buffer address + * @l2bpp Log2 of bits-per-pixels for the display + * @ep_node: Device tree node to process - this is the offset of an endpoint + * node within the VOP's 'port' list. + * @return 0 if OK, -ve if something went wrong + */ +int rk_display_init(struct udevice *dev, ulong fbbase, + enum video_log2_bpp l2bpp, int ep_node) +{ + struct video_priv *uc_priv = dev_get_uclass_priv(dev); + const void *blob = gd->fdt_blob; + struct rk_vop_priv *priv = dev_get_priv(dev); + int vop_id, remote_vop_id; + struct rk3288_vop *regs = priv->regs; + struct display_timing timing; + struct udevice *disp; + int ret, remote, i, offset; + struct display_plat *disp_uc_plat; + struct udevice *clk; + + vop_id = fdtdec_get_int(blob, ep_node, "reg", -1); + debug("vop_id=%d\n", vop_id); + remote = fdtdec_lookup_phandle(blob, ep_node, "remote-endpoint"); + if (remote < 0) + return -EINVAL; + remote_vop_id = fdtdec_get_int(blob, remote, "reg", -1); + debug("remote vop_id=%d\n", remote_vop_id); + + for (i = 0, offset = remote; i < 3 && offset > 0; i++) + offset = fdt_parent_offset(blob, offset); + if (offset < 0) { + debug("%s: Invalid remote-endpoint position\n", dev->name); + return -EINVAL; + } + + ret = uclass_find_device_by_of_offset(UCLASS_DISPLAY, offset, &disp); + if (ret) { + debug("%s: device '%s' display not found (ret=%d)\n", __func__, + dev->name, ret); + return ret; + } + + disp_uc_plat = dev_get_uclass_platdata(disp); + debug("Found device '%s', disp_uc_priv=%p\n", disp->name, disp_uc_plat); + disp_uc_plat->source_id = remote_vop_id; + disp_uc_plat->src_dev = dev; + + ret = device_probe(disp); + if (ret) { + debug("%s: device '%s' display won't probe (ret=%d)\n", + __func__, dev->name, ret); + return ret; + } + + ret = display_read_timing(disp, &timing); + if (ret) { + debug("%s: Failed to read timings\n", __func__); + return ret; + } + + ret = rkclk_get_clk(CLK_NEW, &clk); + if (!ret) { + ret = clk_set_periph_rate(clk, DCLK_VOP0 + vop_id, + timing.pixelclock.typ); + } + if (ret) { + debug("%s: Failed to set pixel clock: ret=%d\n", __func__, ret); + return ret; + } + + rkvop_mode_set(regs, &timing, vop_id); + + rkvop_enable(regs, fbbase, 1 << l2bpp, &timing); + + ret = display_enable(disp, 1 << l2bpp, &timing); + if (ret) + return ret; + + uc_priv->xsize = timing.hactive.typ; + uc_priv->ysize = timing.vactive.typ; + uc_priv->bpix = l2bpp; + debug("fb=%lx, size=%d %d\n", fbbase, uc_priv->xsize, uc_priv->ysize); + + return 0; +} + +static int rk_vop_probe(struct udevice *dev) +{ + struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); + const void *blob = gd->fdt_blob; + struct rk_vop_priv *priv = dev_get_priv(dev); + struct udevice *reg; + int ret, port, node; + + /* Before relocation we don't need to do anything */ + if (!(gd->flags & GD_FLG_RELOC)) + return 0; + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + priv->regs = (struct rk3288_vop *)dev_get_addr(dev); + + /* lcdc(vop) iodomain select 1.8V */ + rk_setreg(&priv->grf->io_vsel, 1 << 0); + + /* + * Try some common regulators. We should really get these from the + * device tree somehow. + */ + ret = regulator_autoset_by_name("vcc18_lcd", ®); + if (ret) + debug("%s: Cannot autoset regulator vcc18_lcd\n", __func__); + ret = regulator_autoset_by_name("VCC18_LCD", ®); + if (ret) + debug("%s: Cannot autoset regulator VCC18_LCD\n", __func__); + ret = regulator_autoset_by_name("vdd10_lcd_pwren_h", ®); + if (ret) { + debug("%s: Cannot autoset regulator vdd10_lcd_pwren_h\n", + __func__); + } + ret = regulator_autoset_by_name("vdd10_lcd", ®); + if (ret) { + debug("%s: Cannot autoset regulator vdd10_lcd\n", + __func__); + } + ret = regulator_autoset_by_name("VDD10_LCD", ®); + if (ret) { + debug("%s: Cannot autoset regulator VDD10_LCD\n", + __func__); + } + ret = regulator_autoset_by_name("vcc33_lcd", ®); + if (ret) + debug("%s: Cannot autoset regulator vcc33_lcd\n", __func__); + + /* + * Try all the ports until we find one that works. In practice this + * tries EDP first if available, then HDMI. + */ + port = fdt_subnode_offset(blob, dev->of_offset, "port"); + if (port < 0) + return -EINVAL; + for (node = fdt_first_subnode(blob, port); + node > 0; + node = fdt_next_subnode(blob, node)) { + ret = rk_display_init(dev, plat->base, VIDEO_BPP16, node); + if (ret) + debug("Device failed: ret=%d\n", ret); + if (!ret) + break; + } + + return ret; +} + +static int rk_vop_bind(struct udevice *dev) +{ + struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); + + plat->size = 1920 * 1080 * 2; + + return 0; +} + +static const struct video_ops rk_vop_ops = { +}; + +static const struct udevice_id rk_vop_ids[] = { + { .compatible = "rockchip,rk3288-vop" }, + { } +}; + +U_BOOT_DRIVER(rk_vop) = { + .name = "rk_vop", + .id = UCLASS_VIDEO, + .of_match = rk_vop_ids, + .ops = &rk_vop_ops, + .bind = rk_vop_bind, + .probe = rk_vop_probe, + .priv_auto_alloc_size = sizeof(struct rk_vop_priv), +};