3a4bcfca2f
1. add cvitek folders to u-boot-2021.10 2. add cv183x/cv182x part 3. add cv181x/cv180x part Change-Id: I6dc2e5ff509dbab16bd60bfb3fd61852da5e01f6
133 lines
3.4 KiB
C
133 lines
3.4 KiB
C
/*
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* Copyright (C) Cvitek Co., Ltd. 2019-2020. All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <display.h>
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#include <dm.h>
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#include <regmap.h>
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#include <video.h>
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#include <asm/hardware.h>
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#include <asm/io.h>
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#include <dt-structs.h>
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#include <asm/gpio.h>
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#include "vip_common.h"
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#include "scaler.h"
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#include "dsi_phy.h"
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DECLARE_GLOBAL_DATA_PTR;
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struct cvi_vo_priv {
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phys_addr_t regs_sc;
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phys_addr_t regs_vip;
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phys_addr_t regs_dphy;
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struct disp_ctrl_gpios ctrl_gpios;
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};
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static int cvi_vo_bind(struct udevice *dev)
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{
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struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
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plat->size = 4 * (CONFIG_VIDEO_CVITEK_MAX_XRES *
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CONFIG_VIDEO_CVITEK_MAX_YRES);
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return 0;
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}
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static int cvi_vo_ofdata_to_platdata(struct udevice *dev)
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{
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struct cvi_vo_priv *priv = dev_get_priv(dev);
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priv->regs_sc = devfdt_get_addr_name(dev, "sc");
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if (priv->regs_sc == FDT_ADDR_T_NONE) {
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debug("%s: Get VO sc address failed (ret=%llu)\n", __func__, (u64)priv->regs_sc);
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return -ENXIO;
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}
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priv->regs_vip = devfdt_get_addr_name(dev, "vip_sys");
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if (priv->regs_vip == FDT_ADDR_T_NONE) {
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debug("%s: Get dsi address failed (ret=%llu)\n", __func__, (u64)priv->regs_vip);
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return -ENXIO;
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}
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priv->regs_dphy = devfdt_get_addr_name(dev, "dphy");
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if (priv->regs_dphy == FDT_ADDR_T_NONE) {
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debug("%s: Get MIPI dsi address failed (ret=%llu)\n", __func__, (u64)priv->regs_dphy);
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return -ENXIO;
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}
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debug("%s: base(sc)=%#llx base(vip)=%#llx base(dphy)=%#llx\n", __func__
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, priv->regs_sc, priv->regs_vip, priv->regs_dphy);
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return 0;
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}
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static int cvi_vo_probe(struct udevice *dev)
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{
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//struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
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//const void *blob = gd->fdt_blob;
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struct cvi_vo_priv *priv = dev_get_priv(dev);
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int ret = 0;
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debug("%s: start\n", __func__);
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/* Before relocation we don't need to do anything */
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if (!(gd->flags & GD_FLG_RELOC))
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return 0;
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sclr_set_base_addr((void *)priv->regs_sc);
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vip_set_base_addr((void *)priv->regs_vip);
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dphy_set_base_addr((void *)priv->regs_dphy);
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#ifdef BOOTLOGO_ISP_RESET
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vip_isp_clk_reset();
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#endif
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sclr_ctrl_init();
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sclr_ctrl_set_disp_src(false);
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ret = gpio_request_by_name(dev, "reset-gpio", 0, &priv->ctrl_gpios.disp_reset_gpio,
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GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
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if (ret) {
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debug("%s: Warning: cannot get enable GPIO: ret=%d\n", __func__, ret);
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if (ret != -ENOENT)
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return ret;
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}
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ret = gpio_request_by_name(dev, "pwm-gpio", 0, &priv->ctrl_gpios.disp_pwm_gpio,
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GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
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if (ret) {
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debug("%s: Warning: cannot get enable GPIO: ret=%d\n", __func__, ret);
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if (ret != -ENOENT)
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return ret;
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}
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ret = gpio_request_by_name(dev, "power-ct-gpio", 0, &priv->ctrl_gpios.disp_power_ct_gpio,
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GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
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if (ret) {
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debug("%s: Warning: cannot get enable GPIO: ret=%d\n", __func__, ret);
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if (ret != -ENOENT)
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return ret;
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}
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set_disp_ctrl_gpios(&priv->ctrl_gpios);
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video_set_flush_dcache(dev, 1);
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return ret;
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}
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static const struct udevice_id cvi_vo_ids[] = {
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{ .compatible = "cvitek,vo" },
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{ }
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};
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static const struct video_ops cvi_vo_ops = {
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};
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U_BOOT_DRIVER(cvi_vo) = {
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.name = "cvi_vo",
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.id = UCLASS_VIDEO,
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.of_match = cvi_vo_ids,
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.ops = &cvi_vo_ops,
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.bind = cvi_vo_bind,
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.probe = cvi_vo_probe,
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.ofdata_to_platdata = cvi_vo_ofdata_to_platdata,
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.priv_auto_alloc_size = sizeof(struct cvi_vo_priv),
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};
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