summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c')
-rw-r--r--drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c271
1 files changed, 0 insertions, 271 deletions
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c b/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
deleted file mode 100644
index eba5bd1d702f..000000000000
--- a/drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c
+++ /dev/null
@@ -1,271 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * NEC NL8048HL11 Panel driver
- *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- * Author: Erik Gilling <konkers@android.com>
- * Converted to new DSS device model: Tomi Valkeinen <tomi.valkeinen@ti.com>
- */
-
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
-#include <linux/module.h>
-#include <linux/spi/spi.h>
-
-#include "../dss/omapdss.h"
-
-struct panel_drv_data {
- struct omap_dss_device dssdev;
-
- struct videomode vm;
-
- struct gpio_desc *res_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 videomode nec_8048_panel_vm = {
- .hactive = LCD_XRES,
- .vactive = LCD_YRES,
- .pixelclock = LCD_PIXEL_CLOCK,
- .hfront_porch = 6,
- .hsync_len = 1,
- .hback_porch = 4,
- .vfront_porch = 3,
- .vsync_len = 1,
- .vback_porch = 4,
-
- .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW,
-};
-
-#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 *src,
- struct omap_dss_device *dst)
-{
- return 0;
-}
-
-static void nec_8048_disconnect(struct omap_dss_device *src,
- struct omap_dss_device *dst)
-{
-}
-
-static void nec_8048_enable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- gpiod_set_value_cansleep(ddata->res_gpio, 1);
-}
-
-static void nec_8048_disable(struct omap_dss_device *dssdev)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- gpiod_set_value_cansleep(ddata->res_gpio, 0);
-}
-
-static int nec_8048_get_modes(struct omap_dss_device *dssdev,
- struct drm_connector *connector)
-{
- struct panel_drv_data *ddata = to_panel_data(dssdev);
-
- return omapdss_display_get_modes(connector, &ddata->vm);
-}
-
-static const struct omap_dss_device_ops nec_8048_ops = {
- .connect = nec_8048_connect,
- .disconnect = nec_8048_disconnect,
-
- .enable = nec_8048_enable,
- .disable = nec_8048_disable,
-
- .get_modes = nec_8048_get_modes,
-};
-
-static int nec_8048_probe(struct spi_device *spi)
-{
- struct panel_drv_data *ddata;
- struct omap_dss_device *dssdev;
- struct gpio_desc *gpio;
- 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;
-
- gpio = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW);
- if (IS_ERR(gpio)) {
- dev_err(&spi->dev, "failed to get reset gpio\n");
- return PTR_ERR(gpio);
- }
-
- ddata->res_gpio = gpio;
-
- ddata->vm = nec_8048_panel_vm;
-
- dssdev = &ddata->dssdev;
- dssdev->dev = &spi->dev;
- dssdev->ops = &nec_8048_ops;
- dssdev->type = OMAP_DISPLAY_TYPE_DPI;
- dssdev->display = true;
- dssdev->owner = THIS_MODULE;
- dssdev->of_ports = BIT(0);
- dssdev->ops_flags = OMAP_DSS_DEVICE_OP_MODES;
- dssdev->bus_flags = DRM_BUS_FLAG_DE_HIGH
- | DRM_BUS_FLAG_SYNC_DRIVE_POSEDGE
- | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE;
-
- omapdss_display_init(dssdev);
- omapdss_device_register(dssdev);
-
- return 0;
-}
-
-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;
-
- dev_dbg(&ddata->spi->dev, "%s\n", __func__);
-
- omapdss_device_unregister(dssdev);
-
- nec_8048_disable(dssdev);
-
- 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");
generated by cgit (git 2.34.1) at 2024-06-11 06:25:53 +0000