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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH
- * Copyright (c) 2015 Google, Inc
- * Copyright 2014 Rockchip Inc.
- */
- #include <common.h>
- #include <display.h>
- #include <dm.h>
- #include <log.h>
- #include <regmap.h>
- #include <video.h>
- #include <asm/arch-rockchip/hardware.h>
- #include <asm/io.h>
- #include "rk_vop.h"
- DECLARE_GLOBAL_DATA_PTR;
- static void rk3399_set_pin_polarity(struct udevice *dev,
- enum vop_modes mode, u32 polarity)
- {
- struct rk_vop_priv *priv = dev_get_priv(dev);
- struct rk3288_vop *regs = priv->regs;
- /*
- * The RK3399 VOPs (v3.5 and v3.6) require a per-mode setting of
- * the polarity configuration (in ctrl1).
- */
- switch (mode) {
- case VOP_MODE_HDMI:
- clrsetbits_le32(®s->dsp_ctrl1,
- M_RK3399_DSP_HDMI_POL,
- V_RK3399_DSP_HDMI_POL(polarity));
- break;
- case VOP_MODE_EDP:
- clrsetbits_le32(®s->dsp_ctrl1,
- M_RK3399_DSP_EDP_POL,
- V_RK3399_DSP_EDP_POL(polarity));
- break;
- case VOP_MODE_MIPI:
- clrsetbits_le32(®s->dsp_ctrl1,
- M_RK3399_DSP_MIPI_POL,
- V_RK3399_DSP_MIPI_POL(polarity));
- break;
- default:
- debug("%s: unsupported output mode %x\n", __func__, mode);
- }
- }
- /*
- * Try some common regulators. We should really get these from the
- * device tree somehow.
- */
- static const char * const rk3399_regulator_names[] = {
- "vcc33_lcd"
- };
- static int rk3399_vop_probe(struct udevice *dev)
- {
- /* Before relocation we don't need to do anything */
- if (!(gd->flags & GD_FLG_RELOC))
- return 0;
- /* Probe regulators required for the RK3399 VOP */
- rk_vop_probe_regulators(dev, rk3399_regulator_names,
- ARRAY_SIZE(rk3399_regulator_names));
- return rk_vop_probe(dev);
- }
- struct rkvop_driverdata rk3399_lit_driverdata = {
- .set_pin_polarity = rk3399_set_pin_polarity,
- };
- struct rkvop_driverdata rk3399_big_driverdata = {
- .features = VOP_FEATURE_OUTPUT_10BIT,
- .set_pin_polarity = rk3399_set_pin_polarity,
- };
- static const struct udevice_id rk3399_vop_ids[] = {
- { .compatible = "rockchip,rk3399-vop-big",
- .data = (ulong)&rk3399_big_driverdata },
- { .compatible = "rockchip,rk3399-vop-lit",
- .data = (ulong)&rk3399_lit_driverdata },
- { }
- };
- static const struct video_ops rk3399_vop_ops = {
- };
- U_BOOT_DRIVER(rk3399_vop) = {
- .name = "rk3399_vop",
- .id = UCLASS_VIDEO,
- .of_match = rk3399_vop_ids,
- .ops = &rk3399_vop_ops,
- .bind = rk_vop_bind,
- .probe = rk3399_vop_probe,
- .priv_auto_alloc_size = sizeof(struct rk_vop_priv),
- };
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