diff options
Diffstat (limited to 'drivers/video/fbdev/omap/lcd_osk.c')
| -rw-r--r-- | drivers/video/fbdev/omap/lcd_osk.c | 133 | 
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap/lcd_osk.c b/drivers/video/fbdev/omap/lcd_osk.c new file mode 100644 index 00000000000..7fbe04bce0e --- /dev/null +++ b/drivers/video/fbdev/omap/lcd_osk.c @@ -0,0 +1,133 @@ +/* + * LCD panel support for the TI OMAP OSK board + * + * Copyright (C) 2004 Nokia Corporation + * Author: Imre Deak <imre.deak@nokia.com> + * Adapted for OSK by <dirk.behme@de.bosch.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. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. + */ + +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <asm/gpio.h> + +#include <mach/hardware.h> +#include <mach/mux.h> + +#include "omapfb.h" + +static int osk_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) +{ +	/* gpio2 was allocated in board init */ +	return 0; +} + +static void osk_panel_cleanup(struct lcd_panel *panel) +{ +} + +static int osk_panel_enable(struct lcd_panel *panel) +{ +	/* configure PWL pin */ +	omap_cfg_reg(PWL); + +	/* Enable PWL unit */ +	omap_writeb(0x01, OMAP_PWL_CLK_ENABLE); + +	/* Set PWL level */ +	omap_writeb(0xFF, OMAP_PWL_ENABLE); + +	/* set GPIO2 high (lcd power enabled) */ +	gpio_set_value(2, 1); + +	return 0; +} + +static void osk_panel_disable(struct lcd_panel *panel) +{ +	/* Set PWL level to zero */ +	omap_writeb(0x00, OMAP_PWL_ENABLE); + +	/* Disable PWL unit */ +	omap_writeb(0x00, OMAP_PWL_CLK_ENABLE); + +	/* set GPIO2 low */ +	gpio_set_value(2, 0); +} + +static unsigned long osk_panel_get_caps(struct lcd_panel *panel) +{ +	return 0; +} + +struct lcd_panel osk_panel = { +	.name		= "osk", +	.config		= OMAP_LCDC_PANEL_TFT, + +	.bpp		= 16, +	.data_lines	= 16, +	.x_res		= 240, +	.y_res		= 320, +	.pixel_clock	= 12500, +	.hsw		= 40, +	.hfp		= 40, +	.hbp		= 72, +	.vsw		= 1, +	.vfp		= 1, +	.vbp		= 0, +	.pcd		= 12, + +	.init		= osk_panel_init, +	.cleanup	= osk_panel_cleanup, +	.enable		= osk_panel_enable, +	.disable	= osk_panel_disable, +	.get_caps	= osk_panel_get_caps, +}; + +static int osk_panel_probe(struct platform_device *pdev) +{ +	omapfb_register_panel(&osk_panel); +	return 0; +} + +static int osk_panel_remove(struct platform_device *pdev) +{ +	return 0; +} + +static int osk_panel_suspend(struct platform_device *pdev, pm_message_t mesg) +{ +	return 0; +} + +static int osk_panel_resume(struct platform_device *pdev) +{ +	return 0; +} + +static struct platform_driver osk_panel_driver = { +	.probe		= osk_panel_probe, +	.remove		= osk_panel_remove, +	.suspend	= osk_panel_suspend, +	.resume		= osk_panel_resume, +	.driver		= { +		.name	= "lcd_osk", +		.owner	= THIS_MODULE, +	}, +}; + +module_platform_driver(osk_panel_driver);  | 
