/* * This file is part of the coreboot project. * * Copyright 2014 Rockchip Inc. * * 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; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include <arch/io.h> #include <console/console.h> #include <delay.h> #include <stdlib.h> #include <string.h> #include <stddef.h> #include <soc/addressmap.h> #include <soc/clock.h> #include <soc/edp.h> #include <soc/vop.h> static struct rockchip_vop_regs * const vop_regs[] = { (struct rockchip_vop_regs *)VOP_BIG_BASE, (struct rockchip_vop_regs *)VOP_LIT_BASE }; void rkvop_enable(u32 vop_id, u32 fbbase) { struct rockchip_vop_regs *preg = vop_regs[vop_id]; write32(&preg->win0_yrgb_mst, fbbase); /* On RK3288, the reg_cfg_done[1:31] is reserved and read-only, * but it's fine to write to it */ write32(&preg->reg_cfg_done, 0xffff); /* enable reg config */ } void rkvop_prepare(u32 vop_id, const struct edid *edid) { u32 lb_mode; u32 rgb_mode; u32 hactive = edid->mode.ha; u32 vactive = edid->mode.va; u32 hsync_len = edid->mode.hspw; u32 hback_porch = edid->mode.hbl - edid->mode.hso - edid->mode.hspw; u32 vsync_len = edid->mode.vspw; u32 vback_porch = edid->mode.vbl - edid->mode.vso - edid->mode.vspw; u32 xpos = 0, ypos = 0; struct rockchip_vop_regs *preg = vop_regs[vop_id]; write32(&preg->win0_act_info, V_ACT_WIDTH(hactive - 1) | V_ACT_HEIGHT(vactive - 1)); write32(&preg->win0_dsp_st, V_DSP_XST(xpos + hsync_len + hback_porch) | V_DSP_YST(ypos + vsync_len + vback_porch)); write32(&preg->win0_dsp_info, V_DSP_WIDTH(hactive - 1) | V_DSP_HEIGHT(vactive - 1)); clrsetbits_le32(&preg->win0_color_key, M_WIN0_KEY_EN | M_WIN0_KEY_COLOR, V_WIN0_KEY_EN(0) | V_WIN0_KEY_COLOR(0)); switch (edid->framebuffer_bits_per_pixel) { case 16: rgb_mode = RGB565; write32(&preg->win0_vir, V_RGB565_VIRWIDTH(hactive)); break; case 24: rgb_mode = RGB888; write32(&preg->win0_vir, V_RGB888_VIRWIDTH(hactive)); break; case 32: default: rgb_mode = ARGB8888; write32(&preg->win0_vir, V_ARGB888_VIRWIDTH(hactive)); 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(&preg->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)); } void rkvop_mode_set(u32 vop_id, const struct edid *edid, u32 mode) { u32 hactive = edid->mode.ha; u32 vactive = edid->mode.va; u32 hfront_porch = edid->mode.hso; u32 hsync_len = edid->mode.hspw; u32 hback_porch = edid->mode.hbl - edid->mode.hso - edid->mode.hspw; u32 vfront_porch = edid->mode.vso; u32 vsync_len = edid->mode.vspw; u32 vback_porch = edid->mode.vbl - edid->mode.vso - edid->mode.vspw; u32 dsp_out_mode; struct rockchip_vop_regs *preg = vop_regs[vop_id]; switch (mode) { case VOP_MODE_HDMI: clrsetbits_le32(&preg->sys_ctrl, M_ALL_OUT_EN, V_HDMI_OUT_EN(1)); dsp_out_mode = 15; break; case VOP_MODE_MIPI: clrsetbits_le32(&preg->sys_ctrl, M_ALL_OUT_EN, V_MIPI_OUT_EN(1)); dsp_out_mode = 0; break; case VOP_MODE_EDP: default: clrsetbits_le32(&preg->sys_ctrl, M_ALL_OUT_EN, V_EDP_OUT_EN(1)); dsp_out_mode = 15; break; } clrsetbits_le32(&preg->dsp_ctrl0, M_DSP_OUT_MODE | M_DSP_VSYNC_POL | M_DSP_HSYNC_POL, V_DSP_OUT_MODE(dsp_out_mode) | V_DSP_HSYNC_POL(edid->mode.phsync == '+') | V_DSP_VSYNC_POL(edid->mode.pvsync == '+')); write32(&preg->dsp_htotal_hs_end, V_HSYNC(hsync_len) | V_HORPRD(hsync_len + hback_porch + hactive + hfront_porch)); write32(&preg->dsp_hact_st_end, V_HEAP(hsync_len + hback_porch + hactive) | V_HASP(hsync_len + hback_porch)); write32(&preg->dsp_vtotal_vs_end, V_VSYNC(vsync_len) | V_VERPRD(vsync_len + vback_porch + vactive + vfront_porch)); write32(&preg->dsp_vact_st_end, V_VAEP(vsync_len + vback_porch + vactive) | V_VASP(vsync_len + vback_porch)); write32(&preg->post_dsp_hact_info, V_HEAP(hsync_len + hback_porch + hactive) | V_HASP(hsync_len + hback_porch)); write32(&preg->post_dsp_vact_info, V_VAEP(vsync_len + vback_porch + vactive) | V_VASP(vsync_len + vback_porch)); /* On RK3288, the reg_cfg_done[1:31] is reserved and read-only, * but it's fine to write to it */ write32(&preg->reg_cfg_done, 0xffff); /* enable reg config */ }