omapfb: lcd_ams_delta: drive control lines over GPIO

Don't use Amstrad Delta custom I/O functions any longer, use GPIO API
instead.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 20 insertions, 7 deletions

diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c
index 6978ae4ef83a..73b211b92a39 100644
--- a/drivers/video/omap/lcd_ams_delta.c
+++ b/drivers/video/omap/lcd_ams_delta.c
@@ -25,6 +25,7 @@
 #include <linux/io.h>
 #include <linux/delay.h>
 #include <linux/lcd.h>
+#include <linux/gpio.h>
 
 #include <plat/board-ams-delta.h>
 #include <mach/hardware.h>
@@ -98,29 +99,41 @@ static struct lcd_ops ams_delta_lcd_ops = {
 
 /* omapfb panel section */
 
+static struct gpio _gpios[] __initconst_or_module = {
+        {
+                .gpio   = AMS_DELTA_GPIO_PIN_LCD_VBLEN,
+                .flags  = GPIOF_OUT_INIT_LOW,
+                .label  = "lcd_vblen",
+        },
+        {
+                .gpio   = AMS_DELTA_GPIO_PIN_LCD_NDISP,
+                .flags  = GPIOF_OUT_INIT_LOW,
+                .label  = "lcd_ndisp",
+        },
+};
+
 static int ams_delta_panel_init(struct lcd_panel *panel,
                 struct omapfb_device *fbdev)
 {
-        return 0;
+        return gpio_request_array(_gpios, ARRAY_SIZE(_gpios));
 }
 
 static void ams_delta_panel_cleanup(struct lcd_panel *panel)
 {
+        gpio_free_array(_gpios, ARRAY_SIZE(_gpios));
 }
 
 static int ams_delta_panel_enable(struct lcd_panel *panel)
 {
-        ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP,
-                        AMS_DELTA_LATCH2_LCD_NDISP);
-        ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN,
-                        AMS_DELTA_LATCH2_LCD_VBLEN);
+        gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 1);
+        gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 1);
         return 0;
 }
 
 static void ams_delta_panel_disable(struct lcd_panel *panel)
 {
-        ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_VBLEN, 0);
-        ams_delta_latch2_write(AMS_DELTA_LATCH2_LCD_NDISP, 0);
+        gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 0);
+        gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 0);
 }
 
 static unsigned long ams_delta_panel_get_caps(struct lcd_panel *panel)