Basic LCD support

diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index 291c46e..8fd2c83 100644 (file)
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -36,6 +36,7 @@ objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o
 objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o
 objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o
 objs-y$(CONFIG_MACH_OVERO) += lcd_overo.o
+objs-y$(CONFIG_MACH_OMAP3_PANDORA) += lcd_omap3pandora.o
 
 omapfb-objs := $(objs-yy)
 

diff --git a/drivers/video/omap/lcd_omap3pandora.c b/drivers/video/omap/lcd_omap3pandora.c
new file mode 100644 (file)
index 0000000..9ae0cd2
--- /dev/null
+++ b/drivers/video/omap/lcd_omap3pandora.c
@@ -0,0 +1,168 @@
+/*
+ * LCD panel support for OMAP3 Pandora
+ *
+ * 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/i2c/twl4030.h>
+
+#include <mach/gpio.h>
+#include <mach/mux.h>
+#include <mach/omapfb.h>
+#include <asm/mach-types.h>
+
+//#define LCD_PANEL_ENABLE_GPIO        154
+//#define TWL_PWMA_PWMAOFF     0x01
+
+#define LCD_XRES               800
+#define LCD_YRES               480
+#define LCD_PIXCLOCK           36000 /* in kHz */
+
+static unsigned int bklight_level;
+
+static int omap3pandora_panel_init(struct lcd_panel *panel,
+                               struct omapfb_device *fbdev)
+{
+       bklight_level = 100;
+
+       return 0;
+}
+
+static void omap3pandora_panel_cleanup(struct lcd_panel *panel)
+{
+}
+
+static int omap3pandora_panel_enable(struct lcd_panel *panel)
+{
+//     omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 0);
+       return 0;
+}
+
+static void omap3pandora_panel_disable(struct lcd_panel *panel)
+{
+//     omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1);
+}
+
+static unsigned long omap3pandora_panel_get_caps(struct lcd_panel *panel)
+{
+       return 0;
+}
+
+static int omap3pandora_bklight_setlevel(struct lcd_panel *panel,
+                                               unsigned int level)
+{
+/*
+       u8 c;
+       if ((level >= 0) && (level <= 100)) {
+               c = (125 * (100 - level)) / 100 + 2;
+               twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, c, TWL_PWMA_PWMAOFF);
+               bklight_level = level;
+       }
+*/
+       return 0;
+}
+
+static unsigned int omap3pandora_bklight_getlevel(struct lcd_panel *panel)
+{
+       return bklight_level;
+}
+
+static unsigned int omap3pandora_bklight_getmaxlevel(struct lcd_panel *panel)
+{
+       return 100;
+}
+
+struct lcd_panel omap3pandora_panel = {
+       .name           = "omap3pandora",
+       .config         = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
+                         OMAP_LCDC_INV_HSYNC | OMAP_LCDC_INV_PIX_CLOCK,
+
+       .bpp            = 16,
+       .data_lines     = 24,
+       .x_res          = LCD_XRES,
+       .y_res          = LCD_YRES,
+
+       .hsw            = 1,            /* hsync_len */
+       .hfp            = 40,           /* right_margin */
+       .hbp            = 215,          /* left_margin */
+       .vsw            = 1,            /* vsync_len */
+       .vfp            = 10,           /* lower_margin */
+       .vbp            = 34,           /* upper_margin */
+
+       .acb            = 0x28,         /* ac-bias pin frequency */
+       .pcd            = 0,            /* pixel clock divider. Unused */
+
+       .pixel_clock    = LCD_PIXCLOCK,
+
+       .init           = omap3pandora_panel_init,
+       .cleanup        = omap3pandora_panel_cleanup,
+       .enable         = omap3pandora_panel_enable,
+       .disable        = omap3pandora_panel_disable,
+       .get_caps       = omap3pandora_panel_get_caps,
+       .set_bklight_level      = omap3pandora_bklight_setlevel,
+       .get_bklight_level      = omap3pandora_bklight_getlevel,
+       .get_bklight_max        = omap3pandora_bklight_getmaxlevel,
+};
+
+static int omap3pandora_panel_probe(struct platform_device *pdev)
+{
+       omapfb_register_panel(&omap3pandora_panel);
+       return 0;
+}
+
+static int omap3pandora_panel_remove(struct platform_device *pdev)
+{
+       return 0;
+}
+
+static int omap3pandora_panel_suspend(struct platform_device *pdev,
+                                  pm_message_t mesg)
+{
+       return 0;
+}
+
+static int omap3pandora_panel_resume(struct platform_device *pdev)
+{
+       return 0;
+}
+
+struct platform_driver omap3pandora_panel_driver = {
+       .probe          = omap3pandora_panel_probe,
+       .remove         = omap3pandora_panel_remove,
+       .suspend        = omap3pandora_panel_suspend,
+       .resume         = omap3pandora_panel_resume,
+       .driver         = {
+               .name   = "pandora_lcd",
+               .owner  = THIS_MODULE,
+       },
+};
+
+static int __init omap3pandora_panel_drv_init(void)
+{
+       return platform_driver_register(&omap3pandora_panel_driver);
+}
+
+static void __exit omap3pandora_panel_drv_exit(void)
+{
+       platform_driver_unregister(&omap3pandora_panel_driver);
+}
+
+module_init(omap3pandora_panel_drv_init);
+module_exit(omap3pandora_panel_drv_exit);