diff options
Diffstat (limited to 'drivers/video/ti/tilcdc-panel.c')
| -rw-r--r-- | drivers/video/ti/tilcdc-panel.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/video/ti/tilcdc-panel.c b/drivers/video/ti/tilcdc-panel.c deleted file mode 100644 index df95086a515..00000000000 --- a/drivers/video/ti/tilcdc-panel.c +++ /dev/null @@ -1,172 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * OMAP panel support - * - * Copyright (C) 2020 Dario Binacchi <dariobin@libero.it> - */ - -#include <common.h> -#include <backlight.h> -#include <clk.h> -#include <display.h> -#include <dm.h> -#include <dm/device_compat.h> -#include <log.h> -#include <panel.h> -#include <asm/gpio.h> -#include <linux/err.h> -#include "tilcdc.h" - -struct tilcdc_panel_priv { - struct tilcdc_panel_info info; - struct display_timing timing; - struct udevice *backlight; - struct gpio_desc enable; -}; - -static int tilcdc_panel_enable_backlight(struct udevice *dev) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - - if (dm_gpio_is_valid(&priv->enable)) - dm_gpio_set_value(&priv->enable, 1); - - if (priv->backlight) - return backlight_enable(priv->backlight); - - return 0; -} - -static int tilcdc_panel_set_backlight(struct udevice *dev, int percent) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - - if (dm_gpio_is_valid(&priv->enable)) - dm_gpio_set_value(&priv->enable, 1); - - if (priv->backlight) - return backlight_set_brightness(priv->backlight, percent); - - return 0; -} - -int tilcdc_panel_get_display_info(struct udevice *dev, - struct tilcdc_panel_info *info) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - - memcpy(info, &priv->info, sizeof(*info)); - return 0; -} - -static int tilcdc_panel_get_display_timing(struct udevice *dev, - struct display_timing *timing) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - - memcpy(timing, &priv->timing, sizeof(*timing)); - return 0; -} - -static int tilcdc_panel_remove(struct udevice *dev) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - - if (dm_gpio_is_valid(&priv->enable)) - dm_gpio_free(dev, &priv->enable); - - return 0; -} - -static int tilcdc_panel_probe(struct udevice *dev) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - int err; - - err = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev, - "backlight", &priv->backlight); - if (err) - dev_warn(dev, "failed to get backlight\n"); - - err = gpio_request_by_name(dev, "enable-gpios", 0, &priv->enable, - GPIOD_IS_OUT); - if (err) { - dev_warn(dev, "failed to get enable GPIO\n"); - if (err != -ENOENT) - return err; - } - - return 0; -} - -static int tilcdc_panel_of_to_plat(struct udevice *dev) -{ - struct tilcdc_panel_priv *priv = dev_get_priv(dev); - ofnode node; - int err; - - err = ofnode_decode_display_timing(dev_ofnode(dev), 0, &priv->timing); - if (err) { - dev_err(dev, "failed to get display timing\n"); - return err; - } - - node = dev_read_subnode(dev, "panel-info"); - if (!ofnode_valid(node)) { - dev_err(dev, "missing 'panel-info' node\n"); - return -ENXIO; - } - - err |= ofnode_read_u32(node, "ac-bias", &priv->info.ac_bias); - err |= ofnode_read_u32(node, "ac-bias-intrpt", - &priv->info.ac_bias_intrpt); - err |= ofnode_read_u32(node, "dma-burst-sz", &priv->info.dma_burst_sz); - err |= ofnode_read_u32(node, "bpp", &priv->info.bpp); - err |= ofnode_read_u32(node, "fdd", &priv->info.fdd); - err |= ofnode_read_u32(node, "sync-edge", &priv->info.sync_edge); - err |= ofnode_read_u32(node, "sync-ctrl", &priv->info.sync_ctrl); - err |= ofnode_read_u32(node, "raster-order", &priv->info.raster_order); - err |= ofnode_read_u32(node, "fifo-th", &priv->info.fifo_th); - if (err) { - dev_err(dev, "failed to get panel info\n"); - return err; - } - - /* optional */ - priv->info.tft_alt_mode = ofnode_read_bool(node, "tft-alt-mode"); - priv->info.invert_pxl_clk = ofnode_read_bool(node, "invert-pxl-clk"); - - dev_dbg(dev, "LCD: %dx%d, bpp=%d, clk=%d Hz\n", - priv->timing.hactive.typ, priv->timing.vactive.typ, - priv->info.bpp, priv->timing.pixelclock.typ); - dev_dbg(dev, " hbp=%d, hfp=%d, hsw=%d\n", - priv->timing.hback_porch.typ, priv->timing.hfront_porch.typ, - priv->timing.hsync_len.typ); - dev_dbg(dev, " vbp=%d, vfp=%d, vsw=%d\n", - priv->timing.vback_porch.typ, priv->timing.vfront_porch.typ, - priv->timing.vsync_len.typ); - - return 0; -} - -static const struct panel_ops tilcdc_panel_ops = { - .enable_backlight = tilcdc_panel_enable_backlight, - .set_backlight = tilcdc_panel_set_backlight, - .get_display_timing = tilcdc_panel_get_display_timing, -}; - -static const struct udevice_id tilcdc_panel_ids[] = { - {.compatible = "ti,tilcdc,panel"}, - {} -}; - -U_BOOT_DRIVER(tilcdc_panel) = { - .name = "tilcdc_panel", - .id = UCLASS_PANEL, - .of_match = tilcdc_panel_ids, - .ops = &tilcdc_panel_ops, - .of_to_plat = tilcdc_panel_of_to_plat, - .probe = tilcdc_panel_probe, - .remove = tilcdc_panel_remove, - .priv_auto = sizeof(struct tilcdc_panel_priv), -}; |