[PATCH 08/10] omapfb: lcd_ams_delta: Drive control lines over GPIO
Janusz Krzysztofik
jkrzyszt at tis.icnet.pl
Sun Dec 11 15:12:06 EST 2011
Don't use Amstrad Delta custom I/O functions any longer, use GPIO API
instead.
Depends on patch 5/10 "MTD: NAND: ams-delta: Use GPIO instead of custom
I/O".
Signed-off-by: Janusz Krzysztofik <jkrzyszt at tis.icnet.pl>
---
arch/arm/mach-omap1/board-ams-delta.c | 10 -------
arch/arm/plat-omap/include/plat/board-ams-delta.h | 2 -
drivers/video/omap/lcd_ams_delta.c | 27 +++++++++++++++-----
3 files changed, 20 insertions(+), 19 deletions(-)
diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
index 5705481..b7422e3 100644
--- a/arch/arm/mach-omap1/board-ams-delta.c
+++ b/arch/arm/mach-omap1/board-ams-delta.c
@@ -232,16 +232,6 @@ static struct gpio _latch_gpios[] __initconst = {
.label = "dockit2",
},
{
- .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",
- },
- {
.gpio = AMS_DELTA_GPIO_PIN_KEYBRD_PWR,
.flags = GPIOF_OUT_INIT_LOW,
.label = "keybrd_pwr",
diff --git a/arch/arm/plat-omap/include/plat/board-ams-delta.h b/arch/arm/plat-omap/include/plat/board-ams-delta.h
index 73fdab9..1d0706e 100644
--- a/arch/arm/plat-omap/include/plat/board-ams-delta.h
+++ b/arch/arm/plat-omap/include/plat/board-ams-delta.h
@@ -28,8 +28,6 @@
#if defined (CONFIG_MACH_AMS_DELTA)
-#define AMS_DELTA_LATCH2_LCD_VBLEN 0x0001
-#define AMS_DELTA_LATCH2_LCD_NDISP 0x0002
#define AMD_DELTA_LATCH2_KEYBRD_PWR 0x0100
#define AMD_DELTA_LATCH2_KEYBRD_DATA 0x0200
#define AMD_DELTA_LATCH2_SCARD_RSTIN 0x0400
diff --git a/drivers/video/omap/lcd_ams_delta.c b/drivers/video/omap/lcd_ams_delta.c
index 6978ae4..73b211b 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)
--
1.7.3.4
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