1 // SPDX-License-Identifier: GPL-2.0-only
3  * Toppoly TD028TTEC1 panel support
9  * Copyright (C) 2006-2007 by OpenMoko, Inc.
12  * Ported and adapted from Neo 1973 U-Boot by:
59 	rc = spi_write(ddata->spi_dev, (u8 *)&tx_buf,  in jbt_ret_write_0()
62 		dev_err(&ddata->spi_dev->dev,  in jbt_ret_write_0()
75 	rc = spi_write(ddata->spi_dev, (u8 *)tx_buf,  in jbt_reg_write_1()
78 		dev_err(&ddata->spi_dev->dev,  in jbt_reg_write_1()
93 	rc = spi_write(ddata->spi_dev, (u8 *)tx_buf,  in jbt_reg_write_2()
97 		dev_err(&ddata->spi_dev->dev,  in jbt_reg_write_2()
160 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_connect()
166 	r = in->ops.dpi->connect(in, dssdev);  in td028ttec1_panel_connect()
176 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_disconnect()
181 	in->ops.dpi->disconnect(in, dssdev);  in td028ttec1_panel_disconnect()
187 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_enable()
191 		return -ENODEV;  in td028ttec1_panel_enable()
196 	if (ddata->data_lines)  in td028ttec1_panel_enable()
197 		in->ops.dpi->set_data_lines(in, ddata->data_lines);  in td028ttec1_panel_enable()
198 	in->ops.dpi->set_timings(in, &ddata->videomode);  in td028ttec1_panel_enable()
200 	r = in->ops.dpi->enable(in);  in td028ttec1_panel_enable()
204 	dev_dbg(dssdev->dev, "td028ttec1_panel_enable() - state %d\n",  in td028ttec1_panel_enable()
205 		dssdev->state);  in td028ttec1_panel_enable()
216 		dev_warn(dssdev->dev, "transfer error\n");  in td028ttec1_panel_enable()
287 	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;  in td028ttec1_panel_enable()
291 	return r ? -EIO : 0;  in td028ttec1_panel_enable()
297 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_disable()
302 	dev_dbg(dssdev->dev, "td028ttec1_panel_disable()\n");  in td028ttec1_panel_disable()
309 	in->ops.dpi->disable(in);  in td028ttec1_panel_disable()
311 	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;  in td028ttec1_panel_disable()
318 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_set_timings()
320 	ddata->videomode = *timings;  in td028ttec1_panel_set_timings()
321 	dssdev->panel.timings = *timings;  in td028ttec1_panel_set_timings()
323 	in->ops.dpi->set_timings(in, timings);  in td028ttec1_panel_set_timings()
331 	*timings = ddata->videomode;  in td028ttec1_panel_get_timings()
338 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_check_timings()
340 	return in->ops.dpi->check_timings(in, timings);  in td028ttec1_panel_check_timings()
357 	struct device_node *node = spi->dev.of_node;  in td028ttec1_probe_of()
358 	struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);  in td028ttec1_probe_of()
363 		dev_err(&spi->dev, "failed to find video source\n");  in td028ttec1_probe_of()
367 	ddata->in = in;  in td028ttec1_probe_of()
378 	dev_dbg(&spi->dev, "%s\n", __func__);  in td028ttec1_panel_probe()
380 	if (!spi->dev.of_node)  in td028ttec1_panel_probe()
381 		return -ENODEV;  in td028ttec1_panel_probe()
383 	spi->bits_per_word = 9;  in td028ttec1_panel_probe()
384 	spi->mode = SPI_MODE_3;  in td028ttec1_panel_probe()
388 		dev_err(&spi->dev, "spi_setup failed: %d\n", r);  in td028ttec1_panel_probe()
392 	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);  in td028ttec1_panel_probe()
394 		return -ENOMEM;  in td028ttec1_panel_probe()
396 	dev_set_drvdata(&spi->dev, ddata);  in td028ttec1_panel_probe()
398 	ddata->spi_dev = spi;  in td028ttec1_panel_probe()
404 	ddata->videomode = td028ttec1_panel_timings;  in td028ttec1_panel_probe()
406 	dssdev = &ddata->dssdev;  in td028ttec1_panel_probe()
407 	dssdev->dev = &spi->dev;  in td028ttec1_panel_probe()
408 	dssdev->driver = &td028ttec1_ops;  in td028ttec1_panel_probe()
409 	dssdev->type = OMAP_DISPLAY_TYPE_DPI;  in td028ttec1_panel_probe()
410 	dssdev->owner = THIS_MODULE;  in td028ttec1_panel_probe()
411 	dssdev->panel.timings = ddata->videomode;  in td028ttec1_panel_probe()
412 	dssdev->phy.dpi.data_lines = ddata->data_lines;  in td028ttec1_panel_probe()
416 		dev_err(&spi->dev, "Failed to register panel\n");  in td028ttec1_panel_probe()
423 	omap_dss_put_device(ddata->in);  in td028ttec1_panel_probe()
429 	struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);  in td028ttec1_panel_remove()
430 	struct omap_dss_device *dssdev = &ddata->dssdev;  in td028ttec1_panel_remove()
431 	struct omap_dss_device *in = ddata->in;  in td028ttec1_panel_remove()
433 	dev_dbg(&ddata->spi_dev->dev, "%s\n", __func__);  in td028ttec1_panel_remove()
466 		.name   = "panel-tpo-td028ttec1",
475 MODULE_DESCRIPTION("Toppoly TD028TTEC1 panel driver");