Port the old omapfb panel driver to DSS2 and change the board file
accordingly.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Cc: Stanley Miao <stanley.miao@xxxxxxxxxxxxx>
---
arch/arm/mach-omap2/board-ldp.c | 73 ++++++++++++--
drivers/video/omap/Makefile | 1 -
drivers/video/omap/lcd_ldp.c | 201 ---------------------------------------
3 files changed, 63 insertions(+), 212 deletions(-)
delete mode 100644 drivers/video/omap/lcd_ldp.c
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index e2ba779..2fdfd7f 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -43,6 +43,8 @@
#include <asm/delay.h>
#include <plat/usb.h>
+#include <plat/display.h>
+#include <plat/panel-generic-dpi.h>
#include "board-flash.h"
#include "mux.h"
@@ -275,19 +277,71 @@ static inline void __init ldp_init_smsc911x(void)
gpio_direction_input(eth_gpio);
}
-static struct platform_device ldp_lcd_device = {
- .name = "ldp_lcd",
- .id = -1,
+/* LCD */
+
+#define LCD_PANEL_BACKLIGHT_GPIO (15 + OMAP_MAX_GPIO_LINES)
+#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
+#define LCD_PANEL_RESET_GPIO 55
+#define LCD_PANEL_QVGA_GPIO 56
+
+static int ldp_panel_enable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
+ gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 1);
+
+ return 0;
+}
+
+static void ldp_panel_disable_lcd(struct omap_dss_device *dssdev)
+{
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+ gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
+}
+
+static struct panel_generic_dpi_data ldp_panel_data = {
+ .name = "2430sdp",
+ .platform_enable = ldp_panel_enable_lcd,
+ .platform_disable = ldp_panel_disable_lcd,
};
-static struct omap_lcd_config ldp_lcd_config __initdata = {
- .ctrl_name = "internal",
+static struct omap_dss_device ldp_lcd_device = {
+ .name = "lcd",
+ .driver_name = "generic_dpi_panel",
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .phy.dpi.data_lines = 16,
+ .data = &ldp_panel_data,
};
-static struct omap_board_config_kernel ldp_config[] __initdata = {
- { OMAP_TAG_LCD, &ldp_lcd_config },
+static struct omap_dss_device *ldp_dss_devices[] = {
+ &ldp_lcd_device,
+};
+
+static struct omap_dss_board_info ldp_dss_data = {
+ .num_devices = ARRAY_SIZE(ldp_dss_devices),
+ .devices = ldp_dss_devices,
+ .default_device = &ldp_lcd_device,
};
+static void __init ldp_display_init(void)
+{
+ int r;
+
+ struct gpio gpios[] = {
+ {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"},
+ {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"},
+ {LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, "LCD ENABLE"},
+ {LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT"},
+ };
+
+ r = gpio_request_array(gpios, ARRAY_SIZE(gpios));
+ if (r) {
+ pr_err("Cannot request LCD GPIOs, error %d\n", r);
+ return;
+ }
+
+ omap_display_init(&ldp_dss_data);
+}
+
static void __init omap_ldp_init_early(void)
{
omap2_init_common_infrastructure();
@@ -390,7 +444,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = {
static struct platform_device *ldp_devices[] __initdata = {
&ldp_smsc911x_device,
- &ldp_lcd_device,
&ldp_gpio_keys_device,
};
@@ -441,8 +494,6 @@ static struct mtd_partition ldp_nand_partitions[] = {
static void __init omap_ldp_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
- omap_board_config = ldp_config;
- omap_board_config_size = ARRAY_SIZE(ldp_config);
ldp_init_smsc911x();
omap_i2c_init();
platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
@@ -459,6 +510,8 @@ static void __init omap_ldp_init(void)
omap2_hsmmc_init(mmc);
/* link regulators to MMC adapters */
ldp_vmmc1_supply.dev = mmc[0].dev;
+
+ ldp_display_init();
}
MACHINE_START(OMAP_LDP, "OMAP LDP board")
diff --git a/drivers/video/omap/Makefile b/drivers/video/omap/Makefile
index f654ba0..43eb64a 100644
--- a/drivers/video/omap/Makefile
+++ b/drivers/video/omap/Makefile
@@ -27,7 +27,6 @@ objs-$(CONFIG_ARCH_OMAP15XX)$(CONFIG_MACH_OMAP_INNOVATOR) += lcd_inn1510.o
objs-y$(CONFIG_MACH_OMAP_OSK) += lcd_osk.o
objs-y$(CONFIG_MACH_OMAP_APOLLON) += lcd_apollon.o
-objs-y$(CONFIG_MACH_OMAP_LDP) += lcd_ldp.o
objs-y$(CONFIG_FB_OMAP_LCD_MIPID) += lcd_mipid.o
objs-y$(CONFIG_MACH_HERALD) += lcd_htcherald.o
diff --git a/drivers/video/omap/lcd_ldp.c b/drivers/video/omap/lcd_ldp.c
deleted file mode 100644
index 0f5952c..0000000
--- a/drivers/video/omap/lcd_ldp.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/*
- * LCD panel support for the TI LDP board
- *
- * Copyright (C) 2007 WindRiver
- * Author: Stanley Miao <stanley.miao@xxxxxxxxxxxxx>
- *
- * Derived from drivers/video/omap/lcd-2430sdp.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/delay.h>
-#include <linux/i2c/twl.h>
-
-#include <mach/gpio.h>
-#include <plat/mux.h>
-#include <asm/mach-types.h>
-
-#include "omapfb.h"
-
-#define LCD_PANEL_BACKLIGHT_GPIO (15 + OMAP_MAX_GPIO_LINES)
-#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
-
-#define LCD_PANEL_RESET_GPIO 55
-#define LCD_PANEL_QVGA_GPIO 56
-
-#ifdef CONFIG_FB_OMAP_LCD_VGA
-#define LCD_XRES 480
-#define LCD_YRES 640
-#define LCD_PIXCLOCK_MAX 41700
-#else
-#define LCD_XRES 240
-#define LCD_YRES 320
-#define LCD_PIXCLOCK_MAX 185186
-#endif
-
-#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) twl_i2c_write_u8(c, r, v)
-
-
-static int ldp_panel_init(struct lcd_panel *panel,
- struct omapfb_device *fbdev)
-{
- gpio_request(LCD_PANEL_RESET_GPIO, "lcd reset");
- gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
- gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd panel");
- gpio_request(LCD_PANEL_BACKLIGHT_GPIO, "lcd backlight");
-
- gpio_direction_output(LCD_PANEL_QVGA_GPIO, 0);
- gpio_direction_output(LCD_PANEL_RESET_GPIO, 0);
- gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
- gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
-
-#ifdef CONFIG_FB_OMAP_LCD_VGA
- gpio_set_value(LCD_PANEL_QVGA_GPIO, 0);
-#else
- gpio_set_value(LCD_PANEL_QVGA_GPIO, 1);
-#endif
- gpio_set_value(LCD_PANEL_RESET_GPIO, 1);
-
- return 0;
-}
-
-static void ldp_panel_cleanup(struct lcd_panel *panel)
-{
- gpio_free(LCD_PANEL_BACKLIGHT_GPIO);
- gpio_free(LCD_PANEL_ENABLE_GPIO);
- gpio_free(LCD_PANEL_QVGA_GPIO);
- gpio_free(LCD_PANEL_RESET_GPIO);
-}
-
-static int ldp_panel_enable(struct lcd_panel *panel)
-{
- if (0 != t2_out(PM_RECEIVER, ENABLE_VPLL2_DEDICATED,
- TWL4030_VPLL2_DEDICATED))
- return -EIO;
- if (0 != t2_out(PM_RECEIVER, ENABLE_VPLL2_DEV_GRP,
- TWL4030_VPLL2_DEV_GRP))
- return -EIO;
-
- gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
- gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 1);
-
- if (0 != t2_out(PM_RECEIVER, ENABLE_VAUX3_DEDICATED,
- TWL4030_VAUX3_DEDICATED))
- return -EIO;
- if (0 != t2_out(PM_RECEIVER, ENABLE_VAUX3_DEV_GRP,
- TWL4030_VAUX3_DEV_GRP))
- return -EIO;
-
- return 0;
-}
-
-static void ldp_panel_disable(struct lcd_panel *panel)
-{
- gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
- gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
-
- t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEDICATED);
- t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEV_GRP);
- msleep(4);
-}
-
-static unsigned long ldp_panel_get_caps(struct lcd_panel *panel)
-{
- return 0;
-}
-
-struct lcd_panel ldp_panel = {
- .name = "ldp",
- .config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
- OMAP_LCDC_INV_HSYNC,
-
- .bpp = 16,
- .data_lines = 18,
- .x_res = LCD_XRES,
- .y_res = LCD_YRES,
- .hsw = 3, /* hsync_len (4) - 1 */
- .hfp = 3, /* right_margin (4) - 1 */
- .hbp = 39, /* left_margin (40) - 1 */
- .vsw = 1, /* vsync_len (2) - 1 */
- .vfp = 2, /* lower_margin */
- .vbp = 7, /* upper_margin (8) - 1 */
-
- .pixel_clock = LCD_PIXCLOCK_MAX,
-
- .init = ldp_panel_init,
- .cleanup = ldp_panel_cleanup,
- .enable = ldp_panel_enable,
- .disable = ldp_panel_disable,
- .get_caps = ldp_panel_get_caps,
-};
-
-static int ldp_panel_probe(struct platform_device *pdev)
-{
- omapfb_register_panel(&ldp_panel);
- return 0;
-}
-
-static int ldp_panel_remove(struct platform_device *pdev)
-{
- return 0;
-}
-
-static int ldp_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
- return 0;
-}
-
-static int ldp_panel_resume(struct platform_device *pdev)
-{
- return 0;
-}
-
-struct platform_driver ldp_panel_driver = {
- .probe = ldp_panel_probe,
- .remove = ldp_panel_remove,
- .suspend = ldp_panel_suspend,
- .resume = ldp_panel_resume,
- .driver = {
- .name = "ldp_lcd",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init ldp_panel_drv_init(void)
-{
- return platform_driver_register(&ldp_panel_driver);
-}
-
-static void __exit ldp_panel_drv_exit(void)
-{
- platform_driver_unregister(&ldp_panel_driver);
-}
-
-module_init(ldp_panel_drv_init);
-module_exit(ldp_panel_drv_exit);
--
1.7.4.1
--
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