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65316c91ef
- Adds support for TFT LCD panel on TI OMAP H3 EVM board. Signed-off-by: Trilok Soni <soni.trilok@gmail.com> Cc: Tony Lindgren <tony@atomide.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
142 lines
3.1 KiB
C
142 lines
3.1 KiB
C
/*
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* LCD panel support for the TI OMAP H3 board
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*
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* Copyright (C) 2004 Nokia Corporation
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* Author: Imre Deak <imre.deak@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/tps65010.h>
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#include <asm/arch/omapfb.h>
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#define MODULE_NAME "omapfb-lcd_h3"
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#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args)
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static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
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{
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return 0;
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}
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static void h3_panel_cleanup(struct lcd_panel *panel)
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{
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}
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static int h3_panel_enable(struct lcd_panel *panel)
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{
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int r = 0;
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/* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
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r = tps65010_set_gpio_out_value(GPIO1, HIGH);
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if (!r)
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r = tps65010_set_gpio_out_value(GPIO2, HIGH);
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if (r)
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pr_err("Unable to turn on LCD panel\n");
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return r;
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}
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static void h3_panel_disable(struct lcd_panel *panel)
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{
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int r = 0;
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/* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
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r = tps65010_set_gpio_out_value(GPIO1, LOW);
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if (!r)
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tps65010_set_gpio_out_value(GPIO2, LOW);
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if (r)
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pr_err("Unable to turn off LCD panel\n");
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}
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static unsigned long h3_panel_get_caps(struct lcd_panel *panel)
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{
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return 0;
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}
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struct lcd_panel h3_panel = {
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.name = "h3",
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.config = OMAP_LCDC_PANEL_TFT,
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.data_lines = 16,
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.bpp = 16,
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.x_res = 240,
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.y_res = 320,
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.pixel_clock = 12000,
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.hsw = 12,
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.hfp = 14,
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.hbp = 72 - 12,
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.vsw = 1,
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.vfp = 1,
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.vbp = 0,
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.pcd = 0,
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.init = h3_panel_init,
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.cleanup = h3_panel_cleanup,
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.enable = h3_panel_enable,
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.disable = h3_panel_disable,
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.get_caps = h3_panel_get_caps,
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};
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static int h3_panel_probe(struct platform_device *pdev)
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{
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omapfb_register_panel(&h3_panel);
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return 0;
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}
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static int h3_panel_remove(struct platform_device *pdev)
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{
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return 0;
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}
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static int h3_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
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{
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return 0;
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}
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static int h3_panel_resume(struct platform_device *pdev)
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{
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return 0;
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}
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struct platform_driver h3_panel_driver = {
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.probe = h3_panel_probe,
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.remove = h3_panel_remove,
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.suspend = h3_panel_suspend,
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.resume = h3_panel_resume,
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.driver = {
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.name = "lcd_h3",
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.owner = THIS_MODULE,
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},
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};
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static int h3_panel_drv_init(void)
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{
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return platform_driver_register(&h3_panel_driver);
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}
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static void h3_panel_drv_cleanup(void)
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{
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platform_driver_unregister(&h3_panel_driver);
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}
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module_init(h3_panel_drv_init);
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module_exit(h3_panel_drv_cleanup);
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