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omapfb: lcd_ams_delta: drive control lines over GPIO

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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>
This commit is contained in:
Janusz Krzysztofik 2011-12-20 00:08:56 +01:00 committed by Tony Lindgren
parent 68f0676699
commit a218d19f6a
3 changed files with 20 additions and 19 deletions
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10
arch/arm/mach-omap1/board-ams-delta.c
View File

@ -226,16 +226,6 @@ static struct gpio latch_gpios[] __initconst = {
.flags = GPIOF_OUT_INIT_LOW,
.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,

2
arch/arm/plat-omap/include/plat/board-ams-delta.h
View File

@ -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

27
drivers/video/omap/lcd_ams_delta.c
View File

@ -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)