omapfb/displays/panel-nec-nl8048hl11.c

15 #include <linux/spi/spi.h>
29 	struct spi_device *spi;
84 static int nec_8048_spi_send(struct spi_device *spi, unsigned char reg_addr,
94 	ret = spi_write(spi, (unsigned char *)&data, 4);
101 static int init_nec_8048_wvga_lcd(struct spi_device *spi)
105 	/* nec_8048_spi_send(spi, REG, VAL) */
107 		nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
110 	nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
224 static int nec_8048_probe(struct spi_device *spi)
230 	dev_dbg(&spi->dev, "%s\n", __func__);
232 	if (!spi->dev.of_node)
235 	spi->mode = SPI_MODE_0;
236 	spi->bits_per_word = 32;
238 	r = spi_setup(spi);
240 		dev_err(&spi->dev, "spi_setup failed: %d\n", r);
244 	init_nec_8048_wvga_lcd(spi);
246 	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
250 	dev_set_drvdata(&spi->dev, ddata);
252 	ddata->spi = spi;
254 	ddata->in = omapdss_of_find_source_for_first_ep(spi->dev.of_node);
257 		dev_err(&spi->dev, "failed to find video source: %d\n", r);
261 	ddata->res_gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);
264 		dev_err(&spi->dev, "failed to request reset gpio: %d\n", r);
273 	dssdev->dev = &spi->dev;
281 		dev_err(&spi->dev, "Failed to register panel\n");
293 static void nec_8048_remove(struct spi_device *spi)
295 	struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
299 	dev_dbg(&ddata->spi->dev, "%s\n", __func__);
312 	struct spi_device *spi = to_spi_device(dev);
314 	nec_8048_spi_send(spi, 2, 0x01);
322 	struct spi_device *spi = to_spi_device(dev);
325 	spi_setup(spi);
326 	nec_8048_spi_send(spi, 2, 0x00);
327 	init_nec_8048_wvga_lcd(spi);
358 MODULE_ALIAS("spi:nec,nl8048hl11");