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path: root/drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c
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Diffstat (limited to 'drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c')
-rw-r--r--drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c437
1 files changed, 0 insertions, 437 deletions
diff --git a/drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c b/drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c
deleted file mode 100644
index 8a928c9a2fc9..000000000000
--- a/drivers/video/fbdev/omap2/displays-new/panel-nec-nl8048hl11.c
+++ /dev/null
@@ -1,437 +0,0 @@
-/*
- * NEC NL8048HL11 Panel driver
- *
- * Copyright (C) 2010 Texas Instruments Inc.
- * Author: Erik Gilling <konkers@android.com>
- * Converted to new DSS device model: 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 as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/spi/spi.h>
-#include <linux/fb.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
-
-#include <video/omapdss.h>
-#include <video/omap-panel-data.h>
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
- struct omap_dss_device *in;
-
- struct omap_video_timings videomode;
-
- int data_lines;
-
- int res_gpio;
- int qvga_gpio;
-
- struct spi_device *spi;
-};
-
-#define LCD_XRES 800
-#define LCD_YRES 480
-/*
- * NEC PIX Clock Ratings
- * MIN:21.8MHz TYP:23.8MHz MAX:25.7MHz
- */
-#define LCD_PIXEL_CLOCK 23800000
-
-static const struct {
- unsigned char addr;
- unsigned char dat;
-} nec_8048_init_seq[] = {
- { 3, 0x01 }, { 0, 0x00 }, { 1, 0x01 }, { 4, 0x00 }, { 5, 0x14 },
- { 6, 0x24 }, { 16, 0xD7 }, { 17, 0x00 }, { 18, 0x00 }, { 19, 0x55 },
- { 20, 0x01 }, { 21, 0x70 }, { 22, 0x1E }, { 23, 0x25 }, { 24, 0x25 },
- { 25, 0x02 }, { 26, 0x02 }, { 27, 0xA0 }, { 32, 0x2F }, { 33, 0x0F },
- { 34, 0x0F }, { 35, 0x0F }, { 36, 0x0F }, { 37, 0x0F }, { 38, 0x0F },
- { 39, 0x00 }, { 40, 0x02 }, { 41, 0x02 }, { 42, 0x02 }, { 43, 0x0F },
- { 44, 0x0F }, { 45, 0x0F }, { 46, 0x0F }, { 47, 0x0F }, { 48, 0x0F },
- { 49, 0x0F }, { 50, 0x00 }, { 51, 0x02 }, { 52, 0x02 }, { 53, 0x02 },
- { 80, 0x0C }, { 83, 0x42 }, { 84, 0x42 }, { 85, 0x41 }, { 86, 0x14 },
- { 89, 0x88 }, { 90, 0x01 }, { 91, 0x00 }, { 92, 0x02 }, { 93, 0x0C },
- { 94, 0x1C }, { 95, 0x27 }, { 98, 0x49 }, { 99, 0x27 }, { 102, 0x76 },
- { 103, 0x27 }, { 112, 0x01 }, { 113, 0x0E }, { 114, 0x02 },
- { 115, 0x0C }, { 118, 0x0C }, { 121, 0x30 }, { 130, 0x00 },
- { 131, 0x00 }, { 132, 0xFC }, { 134, 0x00 }, { 136, 0x00 },
- { 138, 0x00 }, { 139, 0x00 }, { 140, 0x00 }, { 141, 0xFC },
- { 143, 0x00 }, { 145, 0x00 }, { 147, 0x00 }, { 148, 0x00 },
- { 149, 0x00 }, { 150, 0xFC }, { 152, 0x00 }, { 154, 0x00 },
- { 156, 0x00 }, { 157, 0x00 }, { 2, 0x00 },
-};
-
-static const struct omap_video_timings nec_8048_panel_timings = {
- .x_res = LCD_XRES,
- .y_res = LCD_YRES,
- .pixelclock = LCD_PIXEL_CLOCK,
- .hfp = 6,
- .hsw = 1,
- .hbp = 4,
- .vfp = 3,
- .vsw = 1,
- .vbp = 4,
-
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
-};
-
-#define to_panel_data(p) container_of(p, struct panel_drv_data, dssdev)
-
-static int nec_8048_spi_send(struct spi_device *spi, unsigned char reg_addr,
- unsigned char reg_data)
-{
- int ret = 0;
- unsigned int cmd = 0, data = 0;
-
- cmd = 0x0000 | reg_addr; /* register address write */
- data = 0x0100 | reg_data; /* register data write */
- data = (cmd << 16) | data;
-
- ret = spi_write(spi, (unsigned char *)&data, 4);
- if (ret)
- pr_err("error in spi_write %x\n", data);
-
- return ret;
-}
-
-static int init_nec_8048_wvga_lcd(struct spi_device *spi)
-{
- unsigned int i;
- /* Initialization Sequence */
- /* nec_8048_spi_send(spi, REG, VAL) */
- for (i = 0; i < (ARRAY_SIZE(nec_8048_init_seq) - 1); i++)
- nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
- nec_8048_init_seq[i].dat);
- udelay(20);
- nec_8048_spi_send(spi, nec_8048_init_seq[i].addr,
- nec_8048_init_seq[i].dat);
- return 0;
-}
-
-static int nec_8048_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 nec_8048_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 nec_8048_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;
-
- if (gpio_is_valid(ddata->res_gpio))
- gpio_set_value_cansleep(ddata->res_gpio, 1);
-
- dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
-
- return 0;
-}
-
-static void nec_8048_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->res_gpio))
- gpio_set_value_cansleep(ddata->res_gpio, 0);
-
- in->ops.dpi->disable(in);
-
- dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
-}
-
-static void nec_8048_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 nec_8048_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 nec_8048_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 nec_8048_ops = {
- .connect = nec_8048_connect,
- .disconnect = nec_8048_disconnect,
-
- .enable = nec_8048_enable,
- .disable = nec_8048_disable,
-
- .set_timings = nec_8048_set_timings,
- .get_timings = nec_8048_get_timings,
- .check_timings = nec_8048_check_timings,
-
- .get_resolution = omapdss_default_get_resolution,
-};
-
-
-static int nec_8048_probe_pdata(struct spi_device *spi)
-{
- const struct panel_nec_nl8048hl11_platform_data *pdata;
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev, *in;
-
- pdata = dev_get_platdata(&spi->dev);
-
- ddata->qvga_gpio = pdata->qvga_gpio;
- ddata->res_gpio = pdata->res_gpio;
-
- in = omap_dss_find_output(pdata->source);
- if (in == NULL) {
- dev_err(&spi->dev, "failed to find video source '%s'\n",
- pdata->source);
- return -EPROBE_DEFER;
- }
- ddata->in = in;
-
- ddata->data_lines = pdata->data_lines;
-
- dssdev = &ddata->dssdev;
- dssdev->name = pdata->name;
-
- return 0;
-}
-
-static int nec_8048_probe_of(struct spi_device *spi)
-{
- struct device_node *node = spi->dev.of_node;
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *in;
- int gpio;
-
- gpio = of_get_named_gpio(node, "reset-gpios", 0);
- if (!gpio_is_valid(gpio)) {
- dev_err(&spi->dev, "failed to parse enable gpio\n");
- return gpio;
- }
- ddata->res_gpio = gpio;
-
- /* XXX the panel spec doesn't mention any QVGA pin?? */
- ddata->qvga_gpio = -ENOENT;
-
- in = omapdss_of_find_source_for_first_ep(node);
- if (IS_ERR(in)) {
- dev_err(&spi->dev, "failed to find video source\n");
- return PTR_ERR(in);
- }
-
- ddata->in = in;
-
- return 0;
-}
-
-static int nec_8048_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- int r;
-
- dev_dbg(&spi->dev, "%s\n", __func__);
-
- spi->mode = SPI_MODE_0;
- spi->bits_per_word = 32;
-
- r = spi_setup(spi);
- if (r < 0) {
- dev_err(&spi->dev, "spi_setup failed: %d\n", r);
- return r;
- }
-
- init_nec_8048_wvga_lcd(spi);
-
- ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);
- if (ddata == NULL)
- return -ENOMEM;
-
- dev_set_drvdata(&spi->dev, ddata);
-
- ddata->spi = spi;
-
- if (dev_get_platdata(&spi->dev)) {
- r = nec_8048_probe_pdata(spi);
- if (r)
- return r;
- } else if (spi->dev.of_node) {
- r = nec_8048_probe_of(spi);
- if (r)
- return r;
- } else {
- return -ENODEV;
- }
-
- if (gpio_is_valid(ddata->qvga_gpio)) {
- r = devm_gpio_request_one(&spi->dev, ddata->qvga_gpio,
- GPIOF_OUT_INIT_HIGH, "lcd QVGA");
- if (r)
- goto err_gpio;
- }
-
- if (gpio_is_valid(ddata->res_gpio)) {
- r = devm_gpio_request_one(&spi->dev, ddata->res_gpio,
- GPIOF_OUT_INIT_LOW, "lcd RES");
- if (r)
- goto err_gpio;
- }
-
- ddata->videomode = nec_8048_panel_timings;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->driver = &nec_8048_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->owner = THIS_MODULE;
- dssdev->panel.timings = ddata->videomode;
-
- r = omapdss_register_display(dssdev);
- if (r) {
- dev_err(&spi->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 nec_8048_remove(struct spi_device *spi)
-{
- struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
- struct omap_dss_device *dssdev = &ddata->dssdev;
- struct omap_dss_device *in = ddata->in;
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- omapdss_unregister_display(dssdev);
-
- nec_8048_disable(dssdev);
- nec_8048_disconnect(dssdev);
-
- omap_dss_put_device(in);
-
- return 0;
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int nec_8048_suspend(struct device *dev)
-{
- struct spi_device *spi = to_spi_device(dev);
-
- nec_8048_spi_send(spi, 2, 0x01);
- mdelay(40);
-
- return 0;
-}
-
-static int nec_8048_resume(struct device *dev)
-{
- struct spi_device *spi = to_spi_device(dev);
-
- /* reinitialize the panel */
- spi_setup(spi);
- nec_8048_spi_send(spi, 2, 0x00);
- init_nec_8048_wvga_lcd(spi);
-
- return 0;
-}
-static SIMPLE_DEV_PM_OPS(nec_8048_pm_ops, nec_8048_suspend,
- nec_8048_resume);
-#define NEC_8048_PM_OPS (&nec_8048_pm_ops)
-#else
-#define NEC_8048_PM_OPS NULL
-#endif
-
-static const struct of_device_id nec_8048_of_match[] = {
- { .compatible = "omapdss,nec,nl8048hl11", },
- {},
-};
-
-MODULE_DEVICE_TABLE(of, nec_8048_of_match);
-
-static struct spi_driver nec_8048_driver = {
- .driver = {
- .name = "panel-nec-nl8048hl11",
- .pm = NEC_8048_PM_OPS,
- .of_match_table = nec_8048_of_match,
- .suppress_bind_attrs = true,
- },
- .probe = nec_8048_probe,
- .remove = nec_8048_remove,
-};
-
-module_spi_driver(nec_8048_driver);
-
-MODULE_ALIAS("spi:nec,nl8048hl11");
-MODULE_AUTHOR("Erik Gilling <konkers@android.com>");
-MODULE_DESCRIPTION("NEC-NL8048HL11 Driver");
-MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.