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path: root/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/encoder-opa362.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/encoder-opa362.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c b/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
deleted file mode 100644
index b1f6aa09f699..000000000000
--- a/drivers/gpu/drm/omapdrm/displays/encoder-opa362.c
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- * OPA362 analog video amplifier with output/power control
- *
- * Copyright (C) 2014 Golden Delicious Computers
- * Author: H. Nikolaus Schaller <hns@goldelico.com>
- *
- * based on encoder-tfp410
- *
- * 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/consumer.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- struct omap_dss_device *in;
-
- struct gpio_desc *enable_gpio;
-
- struct videomode vm;
-};
-
-#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
-
-static int opa362_connect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- dev_dbg(dssdev->dev, "connect\n");
-
- if (omapdss_device_is_connected(dssdev))
- return -EBUSY;
-
- r = in->ops.atv->connect(in, dssdev);
- if (r)
- return r;
-
- dst->src = dssdev;
- dssdev->dst = dst;
-
- return 0;
-}
-
-static void opa362_disconnect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- dev_dbg(dssdev->dev, "disconnect\n");
-
- WARN_ON(!omapdss_device_is_connected(dssdev));
- if (!omapdss_device_is_connected(dssdev))
- return;
-
- WARN_ON(dst != dssdev->dst);
- if (dst != dssdev->dst)
- return;
-
- dst->src = NULL;
- dssdev->dst = NULL;
-
- in->ops.atv->disconnect(in, &ddata->dssdev);
-}
-
-static int opa362_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
- int r;
-
- dev_dbg(dssdev->dev, "enable\n");
-
- if (!omapdss_device_is_connected(dssdev))
- return -ENODEV;
-
- if (omapdss_device_is_enabled(dssdev))
- return 0;
-
- in->ops.atv->set_timings(in, &ddata->vm);
-
- r = in->ops.atv->enable(in);
- if (r)
- return r;
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 1);
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-}
-
-static void opa362_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- dev_dbg(dssdev->dev, "disable\n");
-
- if (!omapdss_device_is_enabled(dssdev))
- return;
-
- if (ddata->enable_gpio)
- gpiod_set_value_cansleep(ddata->enable_gpio, 0);
-
- in->ops.atv->disable(in);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static void opa362_set_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- dev_dbg(dssdev->dev, "set_timings\n");
-
- ddata->vm = *vm;
- dssdev->panel.vm = *vm;
-
- in->ops.atv->set_timings(in, vm);
-}
-
-static void opa362_get_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- dev_dbg(dssdev->dev, "get_timings\n");
-
- *vm = ddata->vm;
-}
-
-static int opa362_check_timings(struct omap_dss_device *dssdev,
- struct videomode *vm)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
- struct omap_dss_device *in = ddata->in;
-
- dev_dbg(dssdev->dev, "check_timings\n");
-
- return in->ops.atv->check_timings(in, vm);
-}
-
-static const struct omapdss_atv_ops opa362_atv_ops = {
- .connect = opa362_connect,
- .disconnect = opa362_disconnect,
-
- .enable = opa362_enable,
- .disable = opa362_disable,
-
- .check_timings = opa362_check_timings,
- .set_timings = opa362_set_timings,
- .get_timings = opa362_get_timings,
-};
-
-static int opa362_probe(struct platform_device *pdev)
-{
- struct device_node *node = pdev->dev.of_node;
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev, *in;
- struct gpio_desc *gpio;
- int r;
-
- dev_dbg(&pdev->dev, "probe\n");
-
- if (node == NULL) {
- dev_err(&pdev->dev, "Unable to find device tree\n");
- return -EINVAL;
- }
-
- ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
- if (!ddata)
- return -ENOMEM;
-
- platform_set_drvdata(pdev, ddata);
-
- gpio = devm_gpiod_get_optional(&pdev->dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(gpio))
- return PTR_ERR(gpio);
-
- ddata->enable_gpio = gpio;
-
- 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;
-
- dssdev = &ddata->dssdev;
- dssdev->ops.atv = &opa362_atv_ops;
- dssdev->dev = &pdev->dev;
- dssdev->type = OMAP_DISPLAY_TYPE_VENC;
- dssdev->output_type = OMAP_DISPLAY_TYPE_VENC;
- dssdev->owner = THIS_MODULE;
-
- r = omapdss_register_output(dssdev);
- if (r) {
- dev_err(&pdev->dev, "Failed to register output\n");
- goto err_reg;
- }
-
- return 0;
-err_reg:
- omap_dss_put_device(ddata->in);
- return r;
-}
-
-static int __exit opa362_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_output(&ddata->dssdev);
-
- WARN_ON(omapdss_device_is_enabled(dssdev));
- if (omapdss_device_is_enabled(dssdev))
- opa362_disable(dssdev);
-
- WARN_ON(omapdss_device_is_connected(dssdev));
- if (omapdss_device_is_connected(dssdev))
- opa362_disconnect(dssdev, dssdev->dst);
-
- omap_dss_put_device(in);
-
- return 0;
-}
-
-static const struct of_device_id opa362_of_match[] = {
- { .compatible = "omapdss,ti,opa362", },
- {},
-};
-MODULE_DEVICE_TABLE(of, opa362_of_match);
-
-static struct platform_driver opa362_driver = {
- .probe = opa362_probe,
- .remove = __exit_p(opa362_remove),
- .driver = {
- .name = "amplifier-opa362",
- .of_match_table = opa362_of_match,
- .suppress_bind_attrs = true,
- },
-};
-
-module_platform_driver(opa362_driver);
-
-MODULE_AUTHOR("H. Nikolaus Schaller <hns@goldelico.com>");
-MODULE_DESCRIPTION("OPA362 analog video amplifier with output/power control");
-MODULE_LICENSE("GPL v2");
generated by cgit (git 2.34.1) at 2025-12-25 02:52:18 +0000