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From 782177389d60fd3e5444d0a8ecf4f73343ca7e1d Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Date: Fri, 14 Nov 2008 15:47:55 +0200
Subject: [PATCH] DSS: Support for OMAP3 SDP board
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
---
arch/arm/mach-omap2/board-3430sdp.c | 210 +++++++++++++++++++++++++++++++++--
1 files changed, 201 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index ade186b..725b2d9 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -39,6 +39,7 @@
#include <mach/keypad.h>
#include <mach/dma.h>
#include <mach/gpmc.h>
+#include <mach/display.h>
#include <asm/io.h>
#include <asm/delay.h>
@@ -238,14 +239,209 @@ static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
},
};
-static struct platform_device sdp3430_lcd_device = {
- .name = "sdp2430_lcd",
- .id = -1,
+
+#define SDP2430_LCD_PANEL_BACKLIGHT_GPIO 91
+#define SDP2430_LCD_PANEL_ENABLE_GPIO 154
+#define SDP3430_LCD_PANEL_BACKLIGHT_GPIO 24
+#define SDP3430_LCD_PANEL_ENABLE_GPIO 28
+
+#define PM_RECEIVER TWL4030_MODULE_PM_RECEIVER
+#define ENABLE_VAUX2_DEDICATED 0x09
+#define ENABLE_VAUX2_DEV_GRP 0x20
+#define ENABLE_VAUX3_DEDICATED 0x03
+#define ENABLE_VAUX3_DEV_GRP 0x20
+
+#define ENABLE_VPLL2_DEDICATED 0x05
+#define ENABLE_VPLL2_DEV_GRP 0xE0
+#define TWL4030_VPLL2_DEV_GRP 0x33
+#define TWL4030_VPLL2_DEDICATED 0x36
+
+#define t2_out(c, r, v) twl4030_i2c_write_u8(c, r, v)
+
+static unsigned backlight_gpio;
+static unsigned enable_gpio;
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init sdp3430_display_init(void)
+{
+ int r;
+
+ enable_gpio = SDP3430_LCD_PANEL_ENABLE_GPIO;
+ backlight_gpio = SDP3430_LCD_PANEL_BACKLIGHT_GPIO;
+
+ r = gpio_request(enable_gpio, "LCD reset");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD reset GPIO\n");
+ goto err0;
+ }
+
+ r = gpio_request(backlight_gpio, "LCD Backlight");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD backlight GPIO\n");
+ goto err1;
+ }
+
+ gpio_direction_output(enable_gpio, 0);
+ gpio_direction_output(backlight_gpio, 0);
+
+ return;
+err1:
+ gpio_free(enable_gpio);
+err0:
+ return;
+}
+
+
+static int sdp3430_panel_enable_lcd(struct omap_display *display)
+{
+ u8 ded_val, ded_reg;
+ u8 grp_val, grp_reg;
+
+ if (dvi_enabled) {
+ printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+ return -EINVAL;
+ }
+
+ if (omap_rev() > OMAP3430_REV_ES1_0) {
+ t2_out(PM_RECEIVER, ENABLE_VPLL2_DEDICATED,
+ TWL4030_VPLL2_DEDICATED);
+ t2_out(PM_RECEIVER, ENABLE_VPLL2_DEV_GRP,
+ TWL4030_VPLL2_DEV_GRP);
+ }
+
+ ded_reg = TWL4030_VAUX3_DEDICATED;
+ ded_val = ENABLE_VAUX3_DEDICATED;
+ grp_reg = TWL4030_VAUX3_DEV_GRP;
+ grp_val = ENABLE_VAUX3_DEV_GRP;
+
+ gpio_direction_output(enable_gpio, 1);
+ gpio_direction_output(backlight_gpio, 1);
+
+ if (0 != t2_out(PM_RECEIVER, ded_val, ded_reg))
+ return -EIO;
+ if (0 != t2_out(PM_RECEIVER, grp_val, grp_reg))
+ return -EIO;
+
+ lcd_enabled = 1;
+
+ return 0;
+}
+
+static void sdp3430_panel_disable_lcd(struct omap_display *display)
+{
+ lcd_enabled = 0;
+
+ gpio_direction_output(enable_gpio, 0);
+ gpio_direction_output(backlight_gpio, 0);
+
+ if (omap_rev() > OMAP3430_REV_ES1_0) {
+ t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEDICATED);
+ t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEV_GRP);
+ mdelay(4);
+ }
+}
+
+static struct omap_display_data sdp3430_display_data = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "lcd",
+ .panel_name = "sharp-ls037v7dw01",
+ .u.dpi.data_lines = 16,
+ .panel_enable = sdp3430_panel_enable_lcd,
+ .panel_disable = sdp3430_panel_disable_lcd,
+};
+
+static int sdp3430_panel_enable_dvi(struct omap_display *display)
+{
+ if (lcd_enabled) {
+ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+ return -EINVAL;
+ }
+
+ if (omap_rev() > OMAP3430_REV_ES1_0) {
+ t2_out(PM_RECEIVER, ENABLE_VPLL2_DEDICATED,
+ TWL4030_VPLL2_DEDICATED);
+ t2_out(PM_RECEIVER, ENABLE_VPLL2_DEV_GRP,
+ TWL4030_VPLL2_DEV_GRP);
+ }
+
+ dvi_enabled = 1;
+
+ return 0;
+}
+
+static void sdp3430_panel_disable_dvi(struct omap_display *display)
+{
+ dvi_enabled = 0;
+
+ if (omap_rev() > OMAP3430_REV_ES1_0) {
+ t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEDICATED);
+ t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEV_GRP);
+ mdelay(4);
+ }
+}
+
+
+static struct omap_display_data sdp3430_display_data_dvi = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "dvi",
+ .panel_name = "panel-dvi",
+ .u.dpi.data_lines = 24,
+ .panel_enable = sdp3430_panel_enable_dvi,
+ .panel_disable = sdp3430_panel_disable_dvi,
+};
+
+static int sdp3430_panel_enable_tv(struct omap_display *display)
+{
+#define ENABLE_VDAC_DEDICATED 0x03
+#define ENABLE_VDAC_DEV_GRP 0x20
+
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VDAC_DEDICATED,
+ TWL4030_VDAC_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP);
+
+ return 0;
+}
+
+static void sdp3430_panel_disable_tv(struct omap_display *display)
+{
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
+ TWL4030_VDAC_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
+ TWL4030_VDAC_DEV_GRP);
+}
+
+static struct omap_display_data sdp3430_display_data_tv = {
+ .type = OMAP_DISPLAY_TYPE_VENC,
+ .name = "tv",
+ .u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+ .panel_enable = sdp3430_panel_enable_tv,
+ .panel_disable = sdp3430_panel_disable_tv,
};
+static struct omap_dss_platform_data sdp3430_dss_data = {
+ .num_displays = 3,
+ .displays = {
+ &sdp3430_display_data,
+ &sdp3430_display_data_dvi,
+ &sdp3430_display_data_tv,
+ }
+};
+
+static struct platform_device sdp3430_dss_device = {
+ .name = "omap-dss",
+ .id = -1,
+ .dev = {
+ .platform_data = &sdp3430_dss_data,
+ },
+};
+
+
static struct platform_device *sdp3430_devices[] __initdata = {
&sdp3430_smc91x_device,
- &sdp3430_lcd_device,
+ &sdp3430_dss_device,
};
static inline void __init sdp3430_init_smc91x(void)
@@ -292,13 +488,8 @@ static struct omap_uart_config sdp3430_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
-static struct omap_lcd_config sdp3430_lcd_config __initdata = {
- .ctrl_name = "internal",
-};
-
static struct omap_board_config_kernel sdp3430_config[] __initdata = {
{ OMAP_TAG_UART, &sdp3430_uart_config },
- { OMAP_TAG_LCD, &sdp3430_lcd_config },
};
static int sdp3430_batt_table[] = {
@@ -481,6 +672,7 @@ static void __init omap_3430sdp_init(void)
usb_musb_init();
usb_ehci_init();
twl4030_mmc_init(mmc);
+ sdp3430_display_init();
}
static void __init omap_3430sdp_map_io(void)
--
1.5.6.3
|
