mirror of
https://github.com/torvalds/linux.git
synced 2024-12-24 20:01:55 +00:00
ebeb53e1e1
Recent drivers/mfd/twl4030* renames to twl broke compile for various boards as the series was missing a patch to change the board-*.c files. This patch renames include twl4030.h to include twl.h and also renames twl4030_i2c_ routines. Signed-off-by: Balaji T K <balajitk@ti.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Felipe Balbi <felipe.balbi@nokia.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
193 lines
4.7 KiB
C
193 lines
4.7 KiB
C
/*
|
|
* LCD panel support for the MISTRAL OMAP2EVM board
|
|
*
|
|
* Author: Arun C <arunedarath@mistralsolutions.com>
|
|
*
|
|
* Derived from drivers/video/omap/lcd_omap3evm.c
|
|
* Derived from drivers/video/omap/lcd-apollon.c
|
|
*
|
|
* 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 <linux/gpio.h>
|
|
#include <linux/i2c/twl.h>
|
|
|
|
#include <plat/mux.h>
|
|
#include <asm/mach-types.h>
|
|
|
|
#include "omapfb.h"
|
|
|
|
#define LCD_PANEL_ENABLE_GPIO 154
|
|
#define LCD_PANEL_LR 128
|
|
#define LCD_PANEL_UD 129
|
|
#define LCD_PANEL_INI 152
|
|
#define LCD_PANEL_QVGA 148
|
|
#define LCD_PANEL_RESB 153
|
|
|
|
#define TWL_LED_LEDEN 0x00
|
|
#define TWL_PWMA_PWMAON 0x00
|
|
#define TWL_PWMA_PWMAOFF 0x01
|
|
|
|
static unsigned int bklight_level;
|
|
|
|
static int omap2evm_panel_init(struct lcd_panel *panel,
|
|
struct omapfb_device *fbdev)
|
|
{
|
|
gpio_request(LCD_PANEL_ENABLE_GPIO, "LCD enable");
|
|
gpio_request(LCD_PANEL_LR, "LCD lr");
|
|
gpio_request(LCD_PANEL_UD, "LCD ud");
|
|
gpio_request(LCD_PANEL_INI, "LCD ini");
|
|
gpio_request(LCD_PANEL_QVGA, "LCD qvga");
|
|
gpio_request(LCD_PANEL_RESB, "LCD resb");
|
|
|
|
gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
|
|
gpio_direction_output(LCD_PANEL_RESB, 1);
|
|
gpio_direction_output(LCD_PANEL_INI, 1);
|
|
gpio_direction_output(LCD_PANEL_QVGA, 0);
|
|
gpio_direction_output(LCD_PANEL_LR, 1);
|
|
gpio_direction_output(LCD_PANEL_UD, 1);
|
|
|
|
twl_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN);
|
|
twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON);
|
|
twl_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF);
|
|
bklight_level = 100;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void omap2evm_panel_cleanup(struct lcd_panel *panel)
|
|
{
|
|
gpio_free(LCD_PANEL_RESB);
|
|
gpio_free(LCD_PANEL_QVGA);
|
|
gpio_free(LCD_PANEL_INI);
|
|
gpio_free(LCD_PANEL_UD);
|
|
gpio_free(LCD_PANEL_LR);
|
|
gpio_free(LCD_PANEL_ENABLE_GPIO);
|
|
}
|
|
|
|
static int omap2evm_panel_enable(struct lcd_panel *panel)
|
|
{
|
|
gpio_set_value(LCD_PANEL_ENABLE_GPIO, 0);
|
|
return 0;
|
|
}
|
|
|
|
static void omap2evm_panel_disable(struct lcd_panel *panel)
|
|
{
|
|
gpio_set_value(LCD_PANEL_ENABLE_GPIO, 1);
|
|
}
|
|
|
|
static unsigned long omap2evm_panel_get_caps(struct lcd_panel *panel)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int omap2evm_bklight_setlevel(struct lcd_panel *panel,
|
|
unsigned int level)
|
|
{
|
|
u8 c;
|
|
if ((level >= 0) && (level <= 100)) {
|
|
c = (125 * (100 - level)) / 100 + 2;
|
|
twl_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF);
|
|
bklight_level = level;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int omap2evm_bklight_getlevel(struct lcd_panel *panel)
|
|
{
|
|
return bklight_level;
|
|
}
|
|
|
|
static unsigned int omap2evm_bklight_getmaxlevel(struct lcd_panel *panel)
|
|
{
|
|
return 100;
|
|
}
|
|
|
|
struct lcd_panel omap2evm_panel = {
|
|
.name = "omap2evm",
|
|
.config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
|
|
OMAP_LCDC_INV_HSYNC,
|
|
|
|
.bpp = 16,
|
|
.data_lines = 18,
|
|
.x_res = 480,
|
|
.y_res = 640,
|
|
.hsw = 3,
|
|
.hfp = 0,
|
|
.hbp = 28,
|
|
.vsw = 2,
|
|
.vfp = 1,
|
|
.vbp = 0,
|
|
|
|
.pixel_clock = 20000,
|
|
|
|
.init = omap2evm_panel_init,
|
|
.cleanup = omap2evm_panel_cleanup,
|
|
.enable = omap2evm_panel_enable,
|
|
.disable = omap2evm_panel_disable,
|
|
.get_caps = omap2evm_panel_get_caps,
|
|
.set_bklight_level = omap2evm_bklight_setlevel,
|
|
.get_bklight_level = omap2evm_bklight_getlevel,
|
|
.get_bklight_max = omap2evm_bklight_getmaxlevel,
|
|
};
|
|
|
|
static int omap2evm_panel_probe(struct platform_device *pdev)
|
|
{
|
|
omapfb_register_panel(&omap2evm_panel);
|
|
return 0;
|
|
}
|
|
|
|
static int omap2evm_panel_remove(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int omap2evm_panel_suspend(struct platform_device *pdev,
|
|
pm_message_t mesg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int omap2evm_panel_resume(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
struct platform_driver omap2evm_panel_driver = {
|
|
.probe = omap2evm_panel_probe,
|
|
.remove = omap2evm_panel_remove,
|
|
.suspend = omap2evm_panel_suspend,
|
|
.resume = omap2evm_panel_resume,
|
|
.driver = {
|
|
.name = "omap2evm_lcd",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int __init omap2evm_panel_drv_init(void)
|
|
{
|
|
return platform_driver_register(&omap2evm_panel_driver);
|
|
}
|
|
|
|
static void __exit omap2evm_panel_drv_exit(void)
|
|
{
|
|
platform_driver_unregister(&omap2evm_panel_driver);
|
|
}
|
|
|
|
module_init(omap2evm_panel_drv_init);
|
|
module_exit(omap2evm_panel_drv_exit);
|