mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
fa6f458c67
- Fix usage of CONFIG_IS_ENABLED and DM_REGULATOR
166 lines
4.1 KiB
C
166 lines
4.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2016 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <backlight.h>
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#include <dm.h>
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#include <log.h>
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#include <mipi_dsi.h>
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#include <panel.h>
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#include <asm/gpio.h>
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#include <power/regulator.h>
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struct simple_panel_priv {
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struct udevice *reg;
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struct udevice *backlight;
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struct gpio_desc enable;
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};
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/* List of supported DSI panels */
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enum {
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PANEL_NON_DSI,
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PANASONIC_VVX10F004B00,
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};
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static const struct mipi_dsi_panel_plat panasonic_vvx10f004b00 = {
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.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
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MIPI_DSI_CLOCK_NON_CONTINUOUS,
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.format = MIPI_DSI_FMT_RGB888,
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.lanes = 4,
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};
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static int simple_panel_enable_backlight(struct udevice *dev)
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{
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struct simple_panel_priv *priv = dev_get_priv(dev);
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int ret;
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debug("%s: start, backlight = '%s'\n", __func__, priv->backlight->name);
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dm_gpio_set_value(&priv->enable, 1);
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ret = backlight_enable(priv->backlight);
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debug("%s: done, ret = %d\n", __func__, ret);
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if (ret)
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return ret;
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return 0;
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}
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static int simple_panel_set_backlight(struct udevice *dev, int percent)
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{
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struct simple_panel_priv *priv = dev_get_priv(dev);
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int ret;
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debug("%s: start, backlight = '%s'\n", __func__, priv->backlight->name);
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dm_gpio_set_value(&priv->enable, 1);
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ret = backlight_set_brightness(priv->backlight, percent);
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debug("%s: done, ret = %d\n", __func__, ret);
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if (ret)
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return ret;
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return 0;
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}
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static int simple_panel_get_display_timing(struct udevice *dev,
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struct display_timing *timings)
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{
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const void *blob = gd->fdt_blob;
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return fdtdec_decode_display_timing(blob, dev_of_offset(dev),
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0, timings);
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}
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static int simple_panel_of_to_plat(struct udevice *dev)
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{
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struct simple_panel_priv *priv = dev_get_priv(dev);
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int ret;
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if (CONFIG_IS_ENABLED(DM_REGULATOR)) {
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ret = uclass_get_device_by_phandle(UCLASS_REGULATOR, dev,
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"power-supply", &priv->reg);
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if (ret) {
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debug("%s: Warning: cannot get power supply: ret=%d\n",
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__func__, ret);
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if (ret != -ENOENT)
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return ret;
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}
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}
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ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,
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"backlight", &priv->backlight);
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if (ret) {
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debug("%s: Cannot get backlight: ret=%d\n", __func__, ret);
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if (ret != -ENOENT)
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return log_ret(ret);
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}
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ret = gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable,
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GPIOD_IS_OUT);
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if (ret) {
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debug("%s: Warning: cannot get enable GPIO: ret=%d\n",
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__func__, ret);
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if (ret != -ENOENT)
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return log_ret(ret);
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}
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return 0;
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}
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static int simple_panel_probe(struct udevice *dev)
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{
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struct simple_panel_priv *priv = dev_get_priv(dev);
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struct mipi_dsi_panel_plat *plat = dev_get_plat(dev);
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const u32 dsi_data = dev_get_driver_data(dev);
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int ret;
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if (CONFIG_IS_ENABLED(DM_REGULATOR) && priv->reg) {
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debug("%s: Enable regulator '%s'\n", __func__, priv->reg->name);
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ret = regulator_set_enable(priv->reg, true);
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if (ret)
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return ret;
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}
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switch (dsi_data) {
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case PANASONIC_VVX10F004B00:
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memcpy(plat, &panasonic_vvx10f004b00,
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sizeof(panasonic_vvx10f004b00));
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break;
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case PANEL_NON_DSI:
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default:
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break;
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}
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return 0;
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}
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static const struct panel_ops simple_panel_ops = {
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.enable_backlight = simple_panel_enable_backlight,
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.set_backlight = simple_panel_set_backlight,
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.get_display_timing = simple_panel_get_display_timing,
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};
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static const struct udevice_id simple_panel_ids[] = {
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{ .compatible = "simple-panel" },
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{ .compatible = "auo,b133xtn01" },
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{ .compatible = "auo,b116xw03" },
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{ .compatible = "auo,b133htn01" },
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{ .compatible = "boe,nv140fhmn49" },
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{ .compatible = "lg,lb070wv8" },
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{ .compatible = "sharp,lq123p1jx31" },
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{ .compatible = "boe,nv101wxmn51" },
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{ .compatible = "panasonic,vvx10f004b00",
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.data = PANASONIC_VVX10F004B00 },
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{ }
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};
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U_BOOT_DRIVER(simple_panel) = {
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.name = "simple_panel",
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.id = UCLASS_PANEL,
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.of_match = simple_panel_ids,
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.ops = &simple_panel_ops,
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.of_to_plat = simple_panel_of_to_plat,
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.probe = simple_panel_probe,
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.priv_auto = sizeof(struct simple_panel_priv),
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.plat_auto = sizeof(struct mipi_dsi_panel_plat),
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};
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