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path: root/drivers/video/fbdev/omap2/displays-new/panel-dpi.c
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Diffstat (limited to 'drivers/video/fbdev/omap2/displays-new/panel-dpi.c')
-rw-r--r--drivers/video/fbdev/omap2/displays-new/panel-dpi.c328
1 files changed, 0 insertions, 328 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-dpi.c b/drivers/video/fbdev/omap2/displays-new/panel-dpi.c
deleted file mode 100644
index e780fd4f8b46..000000000000
--- a/drivers/video/fbdev/omap2/displays-new/panel-dpi.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * Generic MIPI DPI Panel Driver
- *
- * Copyright (C) 2013 Texas Instruments
- * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- */
-
-#include <linux/gpio.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-#include <video/of_display_timing.h>
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- struct omap_dss_device *in;
-
- int data_lines;
-
- struct omap_video_timings videomode;
-
- /* used for non-DT boot, to be removed */
- int backlight_gpio;
-
- struct gpio_desc *enable_gpio;
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int panel_dpi_connect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- if (omapdss_device_is_connected(dssdev))
- return 0;
-
- r = in->ops.dpi->connect(in, dssdev);
- if (r)
- return r;
-
- return 0;
-}
-
-static void panel_dpi_disconnect(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- if (!omapdss_device_is_connected(dssdev))
- return;
-
- in->ops.dpi->disconnect(in, dssdev);
-}
-
-static int panel_dpi_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- if (!omapdss_device_is_connected(dssdev))
- return -ENODEV;
-
- if (omapdss_device_is_enabled(dssdev))
- return 0;
-
- if (ddata->data_lines)
- in->ops.dpi->set_data_lines(in, ddata->data_lines);
- in->ops.dpi->set_timings(in, &ddata->videomode);
-
- r = in->ops.dpi->enable(in);
- if (r)
- return r;
-
- gpiod_set_value_cansleep(ddata->enable_gpio, 1);
-
- if (gpio_is_valid(ddata->backlight_gpio))
- gpio_set_value_cansleep(ddata->backlight_gpio, 1);
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-}
-
-static void panel_dpi_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- if (!omapdss_device_is_enabled(dssdev))
- return;
-
- if (gpio_is_valid(ddata->backlight_gpio))
- gpio_set_value_cansleep(ddata->backlight_gpio, 0);
-
- gpiod_set_value_cansleep(ddata->enable_gpio, 0);
-
- in->ops.dpi->disable(in);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static void panel_dpi_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- ddata->videomode = *timings;
- dssdev->panel.timings = *timings;
-
- in->ops.dpi->set_timings(in, timings);
-}
-
-static void panel_dpi_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- *timings = ddata->videomode;
-}
-
-static int panel_dpi_check_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- return in->ops.dpi->check_timings(in, timings);
-}
-
-static struct omap_dss_driver panel_dpi_ops = {
- .connect = panel_dpi_connect,
- .disconnect = panel_dpi_disconnect,
-
- .enable = panel_dpi_enable,
- .disable = panel_dpi_disable,
-
- .set_timings = panel_dpi_set_timings,
- .get_timings = panel_dpi_get_timings,
- .check_timings = panel_dpi_check_timings,
-
- .get_resolution = omapdss_default_get_resolution,
-};
-
-static int panel_dpi_probe_pdata(struct platform_device *pdev)
-{
- const struct panel_dpi_platform_data *pdata;
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct omap_dss_device *dssdev, *in;
- struct videomode vm;
- int r;
-
- pdata = dev_get_platdata(&pdev->dev);
-
- in = omap_dss_find_output(pdata->source);
- if (in == NULL) {
- dev_err(&pdev->dev, "failed to find video source '%s'\n",
- pdata->source);
- return -EPROBE_DEFER;
- }
-
- ddata->in = in;
-
- ddata->data_lines = pdata->data_lines;
-
- videomode_from_timing(pdata->display_timing, &vm);
- videomode_to_omap_video_timings(&vm, &ddata->videomode);
-
- dssdev = &ddata->dssdev;
- dssdev->name = pdata->name;
-
- r = devm_gpio_request_one(&pdev->dev, pdata->enable_gpio,
- GPIOF_OUT_INIT_LOW, "panel enable");
- if (r)
- goto err_gpio;
-
- ddata->enable_gpio = gpio_to_desc(pdata->enable_gpio);
-
- ddata->backlight_gpio = pdata->backlight_gpio;
-
- return 0;
-
-err_gpio:
- omap_dss_put_device(ddata->in);
- return r;
-}
-
-static int panel_dpi_probe_of(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct device_node *node = pdev->dev.of_node;
- struct omap_dss_device *in;
- int r;
- struct display_timing timing;
- struct videomode vm;
- struct gpio_desc *gpio;
-
- gpio = devm_gpiod_get_optional(&pdev->dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(gpio))
- return PTR_ERR(gpio);
-
- ddata->enable_gpio = gpio;
-
- ddata->backlight_gpio = -ENOENT;
-
- r = of_get_display_timing(node, "panel-timing", &timing);
- if (r) {
- dev_err(&pdev->dev, "failed to get video timing\n");
- return r;
- }
-
- videomode_from_timing(&timing, &vm);
- videomode_to_omap_video_timings(&vm, &ddata->videomode);
-
- in = omapdss_of_find_source_for_first_ep(node);
- if (IS_ERR(in)) {
- dev_err(&pdev->dev, "failed to find video source\n");
- return PTR_ERR(in);
- }
-
- ddata->in = in;
-
- return 0;
-}
-
-static int panel_dpi_probe(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- int r;
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
-
- if (dev_get_platdata(&pdev->dev)) {
- r = panel_dpi_probe_pdata(pdev);
- if (r)
- return r;
- } else if (pdev->dev.of_node) {
- r = panel_dpi_probe_of(pdev);
- if (r)
- return r;
- } else {
- return -ENODEV;
- }
-
- if (gpio_is_valid(ddata->backlight_gpio)) {
- r = devm_gpio_request_one(&pdev->dev, ddata->backlight_gpio,
- GPIOF_OUT_INIT_LOW, "panel backlight");
- if (r)
- goto err_gpio;
- }
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &pdev->dev;
- dssdev->driver = &panel_dpi_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->owner = THIS_MODULE;
- dssdev->panel.timings = ddata->videomode;
- dssdev->phy.dpi.data_lines = ddata->data_lines;
-
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register panel\n");
- goto err_reg;
- }
-
- return 0;
-
-err_reg:
-err_gpio:
- omap_dss_put_device(ddata->in);
- return r;
-}
-
-static int __exit panel_dpi_remove(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
- struct omap_dss_device *in = ddata->in;
-
- omapdss_unregister_display(dssdev);
-
- panel_dpi_disable(dssdev);
- panel_dpi_disconnect(dssdev);
-
- omap_dss_put_device(in);
-
- return 0;
-}
-
-static const struct of_device_id panel_dpi_of_match[] = {
- { .compatible = "omapdss,panel-dpi", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, panel_dpi_of_match);
-
-static struct platform_driver panel_dpi_driver = {
- .probe = panel_dpi_probe,
- .remove = __exit_p(panel_dpi_remove),
- .driver = {
- .name = "panel-dpi",
- .of_match_table = panel_dpi_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(panel_dpi_driver);
-
-MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@ti.com>");
-MODULE_DESCRIPTION("Generic MIPI DPI Panel Driver");
-MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.