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/*
* 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 <device/mmio.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));
clrsetbits32(&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;
clrsetbits32(&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:
clrsetbits32(&preg->sys_ctrl,
M_ALL_OUT_EN, V_HDMI_OUT_EN(1));
dsp_out_mode = 15;
break;
case VOP_MODE_MIPI:
clrsetbits32(&preg->sys_ctrl, M_ALL_OUT_EN,
V_MIPI_OUT_EN(1));
dsp_out_mode = 0;
break;
case VOP_MODE_DUAL_MIPI:
clrsetbits32(&preg->sys_ctrl, M_ALL_OUT_EN,
V_MIPI_OUT_EN(1) | V_DUAL_MIPI_EN(1));
dsp_out_mode = 0;
break;
case VOP_MODE_EDP:
default:
clrsetbits32(&preg->sys_ctrl,
M_ALL_OUT_EN, V_EDP_OUT_EN(1));
dsp_out_mode = 15;
break;
}
clrsetbits32(&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 */
}
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