From: Vaibhav Hiremath <hvaibhav@xxxxxx>
Tested LCD, TV, DVI (480P) out on OMAP3EVM board.
Please make sure that you change the option
CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE=7 and apply the
Mans Rullgard clock patches to support set_rate and round_rate API.
Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
---
arch/arm/mach-omap2/board-omap3evm.c | 224 ++++++++++++++++++++++++++++++++--
drivers/video/omap2/Kconfig | 5 +
drivers/video/omap2/Makefile | 1 +
drivers/video/omap2/panel-dvi.c | 54 ++-------
drivers/video/omap2/panel-omap3evm.c | 110 +++++++++++++++++
5 files changed, 341 insertions(+), 53 deletions(-)
create mode 100644 drivers/video/omap2/panel-omap3evm.c
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 42ab826..e244fa7 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -37,6 +37,8 @@
#include <mach/usb-ehci.h>
#include <mach/common.h>
#include <mach/mcspi.h>
+#include <mach/omapfb.h>
+#include <mach/display.h>
#include "sdram-micron-mt46h32m32lf-6.h"
#include "twl4030-generic-scripts.h"
@@ -161,14 +163,215 @@ static int __init omap3_evm_i2c_init(void)
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
+static struct omap_fbmem_config evm_fbmem0_config = {
+ .size = 480*720*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
-static struct platform_device omap3_evm_lcd_device = {
- .name = "omap3evm_lcd",
- .id = -1,
+static struct omap_fbmem_config evm_fbmem1_config = {
+ .size = 480*720*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
};
-static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
- .ctrl_name = "internal",
+static struct omap_fbmem_config evm_fbmem2_config = {
+ .size = 480*720*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
+#define LCD_PANEL_LR 2
+#define LCD_PANEL_UD 3
+#define LCD_PANEL_INI 152
+#define LCD_PANEL_ENABLE_GPIO 153
+#define LCD_PANEL_QVGA 154
+#define LCD_PANEL_RESB 155
+
+#define ENABLE_VDAC_DEDICATED 0x03
+#define ENABLE_VDAC_DEV_GRP 0x20
+#define ENABLE_VPLL2_DEDICATED 0x05
+#define ENABLE_VPLL2_DEV_GRP 0xE0
+
+#define TWL4030_GPIODATA_IN3 0x03
+#define TWL4030_GPIODATA_DIR3 0x06
+#define TWL4030_VPLL2_DEV_GRP 0x33
+#define TWL4030_VPLL2_DEDICATED 0x36
+
+static int lcd_enabled;
+static int dvi_enabled;
+
+static void __init evm_display_init(void)
+{
+ int r;
+ r = gpio_request(LCD_PANEL_LR, "lcd_panel_lr");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD_PANEL_LR\n");
+ return;
+ }
+ r = gpio_request(LCD_PANEL_UD, "lcd_panel_ud");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD_PANEL_UD\n");
+ goto err_1;
+ }
+
+ r = gpio_request(LCD_PANEL_INI, "lcd_panel_ini");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD_PANEL_INI\n");
+ goto err_2;
+ }
+ r = gpio_request(LCD_PANEL_RESB, "lcd_panel_resb");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD_PANEL_RESB\n");
+ goto err_3;
+ }
+ r = gpio_request(LCD_PANEL_QVGA, "lcd_panel_qvga");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD_PANEL_QVGA\n");
+ goto err_4;
+ }
+
+ gpio_direction_output(LCD_PANEL_LR, 0);
+ gpio_direction_output(LCD_PANEL_UD, 0);
+ gpio_direction_output(LCD_PANEL_INI, 0);
+ gpio_direction_output(LCD_PANEL_RESB, 0);
+ gpio_direction_output(LCD_PANEL_QVGA, 0);
+
+#define TWL_LED_LEDEN 0x00
+#define TWL_PWMA_PWMAON 0x00
+#define TWL_PWMA_PWMAOFF 0x01
+
+ twl4030_i2c_write_u8(TWL4030_MODULE_LED, 0x11, TWL_LED_LEDEN);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x01, TWL_PWMA_PWMAON);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PWMA, 0x02, TWL_PWMA_PWMAOFF);
+
+ gpio_direction_output(LCD_PANEL_RESB, 1);
+ gpio_direction_output(LCD_PANEL_INI, 1);
+ gpio_direction_output(LCD_PANEL_QVGA, 0);
+ gpio_direction_output(LCD_PANEL_LR, 1);
+ gpio_direction_output(LCD_PANEL_UD, 1);
+
+ return;
+
+err_4:
+ gpio_free(LCD_PANEL_RESB);
+err_3:
+ gpio_free(LCD_PANEL_INI);
+err_2:
+ gpio_free(LCD_PANEL_UD);
+err_1:
+ gpio_free(LCD_PANEL_LR);
+
+}
+
+static int panel_enable_lcd(struct omap_display *display)
+{
+ if (dvi_enabled) {
+ printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
+ return -EINVAL;
+ }
+ if (system_rev > OMAP3430_REV_ES1_0) {
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VPLL2_DEDICATED, TWL4030_VPLL2_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+ ENABLE_VPLL2_DEV_GRP, TWL4030_VPLL2_DEV_GRP);
+ }
+ gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
+ lcd_enabled = 1;
+ return 0;
+}
+
+static void panel_disable_lcd(struct omap_display *display)
+{
+ if (system_rev > OMAP3430_REV_ES1_0) {
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0,
+ TWL4030_VPLL2_DEDICATED);
+ twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x0,
+ TWL4030_VPLL2_DEV_GRP);
+ }
+ omap_set_gpio_dataout(LCD_PANEL_ENABLE_GPIO, 1);
+ lcd_enabled = 0;
+}
+
+static struct omap_display_data evm_display_data = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "lcd",
+ .panel_name = "panel-evm",
+ .u.dpi.data_lines = 16,
+ .panel_enable = panel_enable_lcd,
+ .panel_disable = panel_disable_lcd,
+};
+
+static int panel_enable_tv(struct omap_display *display)
+{
+ 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 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 evm_display_data_tv = {
+ .type = OMAP_DISPLAY_TYPE_VENC,
+ .name = "tv",
+ .u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+ .panel_enable = panel_enable_tv,
+ .panel_disable = panel_disable_tv,
+};
+
+
+static int panel_enable_dvi(struct omap_display *display)
+{
+ if (lcd_enabled) {
+ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+ return -EINVAL;
+ }
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80,
+ TWL4030_GPIODATA_IN3);
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80,
+ TWL4030_GPIODATA_DIR3);
+ dvi_enabled = 1;
+
+ return 0;
+}
+
+static void panel_disable_dvi(struct omap_display *display)
+{
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x00,
+ TWL4030_GPIODATA_IN3);
+ twl4030_i2c_write_u8(TWL4030_MODULE_GPIO, 0x00,
+ TWL4030_GPIODATA_DIR3);
+ dvi_enabled = 0;
+}
+
+
+static struct omap_display_data evm_display_data_dvi = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "dvi",
+ .panel_name = "panel-dvi",
+ .u.dpi.data_lines = 24,
+ .panel_enable = panel_enable_dvi,
+ .panel_disable = panel_disable_dvi,
+};
+
+static struct omap_dss_platform_data evm_dss_data = {
+ .num_displays = 3,
+ .displays = {
+ &evm_display_data,
+ &evm_display_data_dvi,
+ &evm_display_data_tv,
+ }
+};
+static struct platform_device evm_dss_device = {
+ .name = "omap-dss",
+ .id = -1,
+ .dev = {
+ .platform_data = &evm_dss_data,
+ },
};
static void ads7846_dev_init(void)
@@ -227,11 +430,13 @@ static void __init omap3_evm_init_irq(void)
static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
{ OMAP_TAG_UART, &omap3_evm_uart_config },
- { OMAP_TAG_LCD, &omap3_evm_lcd_config },
+ { OMAP_TAG_FBMEM, &evm_fbmem0_config },
+ { OMAP_TAG_FBMEM, &evm_fbmem1_config },
+ { OMAP_TAG_FBMEM, &evm_fbmem2_config },
};
static struct platform_device *omap3_evm_devices[] __initdata = {
- &omap3_evm_lcd_device,
+ &evm_dss_device,
&omap3evm_smc911x_device,
};
@@ -250,8 +455,6 @@ static void __init omap3_evm_init(void)
omap3_evm_i2c_init();
platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
- omap_board_config = omap3_evm_config;
- omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
spi_register_board_info(omap3evm_spi_board_info,
ARRAY_SIZE(omap3evm_spi_board_info));
@@ -262,10 +465,13 @@ static void __init omap3_evm_init(void)
usb_ehci_init();
omap3evm_flash_init();
ads7846_dev_init();
+ evm_display_init();
}
static void __init omap3_evm_map_io(void)
{
+ omap_board_config = omap3_evm_config;
+ omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
omap2_set_globals_343x();
omap2_map_common_io();
}
diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
index 95691ad..8211ffd 100644
--- a/drivers/video/omap2/Kconfig
+++ b/drivers/video/omap2/Kconfig
@@ -51,4 +51,9 @@ config PANEL_SDP3430
help
SDP3430 LCD
+config PANEL_OMAP3EVM
+ tristate "OMAP3EVM Panel"
+ depends on OMAP2_DSS
+ help
+ OMAP3EVM LCD Panel
endmenu
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
index 73ab1c0..668e8c6 100644
--- a/drivers/video/omap2/Makefile
+++ b/drivers/video/omap2/Makefile
@@ -3,3 +3,4 @@ omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
obj-$(CONFIG_PANEL_DVI) += panel-dvi.o
obj-$(CONFIG_PANEL_SDP3430) += panel-sdp3430.o
+obj-$(CONFIG_PANEL_OMAP3EVM) += panel-omap3evm.o
diff --git a/drivers/video/omap2/panel-dvi.c b/drivers/video/omap2/panel-dvi.c
index 2d053df..2a52897 100644
--- a/drivers/video/omap2/panel-dvi.c
+++ b/drivers/video/omap2/panel-dvi.c
@@ -52,54 +52,20 @@ static struct omap_panel dvi_panel = {
.disable = dvi_panel_disable,
/*.set_mode = dvi_set_mode, */
-#if defined(CONFIG_PANEL_DVI_LOWRES)
.timings = {
- /* 800 x 600 @ 60 Hz Reduced blanking VESA CVT 0.48M3-R */
- .pixel_clock = 35500,
- .hfp = 48,
- .hsw = 32,
- .hbp = 80,
- .vfp = 3,
- .vsw = 4,
- .vbp = 11,
+ /* 480P */
+ .pixel_clock = 30000,
+ .hfp = 24,
+ .hsw = 40,
+ .hbp = 96,
+ .vfp = 10,
+ .vsw = 3,
+ .vbp = 32,
},
- .x_res = 800,
- .y_res = 600,
+ .x_res = 480,
+ .y_res = 720,
.bpp = 24,
-#elif defined(CONFIG_PANEL_DVI_HIGHRES)
- .timings = {
- /* 1024 x 768 @ 60 Hz Reduced blanking */
- .pixel_clock = 56000,
- .hfp = 48,
- .hsw = 32,
- .hbp = 80,
- .vfp = 3,
- .vsw = 4,
- .vbp = 15,
- },
-
- .x_res = 1024,
- .y_res = 768,
- .bpp = 24,
-#elif defined(CONFIG_PANEL_DVI_VERYHIGHRES)
- .timings = {
- /* 1280 x 1024 @ 57 Hz Reduced blanking */
- .pixel_clock = 86500,
- .hfp = 48,
- .hsw = 32,
- .hbp = 80,
- .vfp = 3,
- .vsw = 4,
- .vbp = 15,
- },
-
- .x_res = 1280,
- .y_res = 1024,
- .bpp = 16,
-#else
-#error Undefined default mode
-#endif
.config = OMAP_DSS_LCD_TFT,
};
diff --git a/drivers/video/omap2/panel-omap3evm.c b/drivers/video/omap2/panel-omap3evm.c
new file mode 100644
index 0000000..4a00b02
--- /dev/null
+++ b/drivers/video/omap2/panel-omap3evm.c
@@ -0,0 +1,110 @@
+/*
+ * LCD panel support for the TI OMAP3EVM board
+ *
+ * Copyright (C) 2008 Texas Instruments, Inc.
+ * Author: Vaibhav Hiremath <hvaibhav@xxxxxx>
+ *
+ * Derived from drivers/video/omap2/panel-sdp3430.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#include <mach/display.h>
+
+static int omap3evm_panel_init(struct omap_display *display)
+{
+ return 0;
+}
+
+static void omap3evm_panel_cleanup(struct omap_display *display)
+{
+}
+
+static int omap3evm_panel_enable(struct omap_display *display)
+{
+ int r = 0;
+
+ if (display->hw_config.panel_enable)
+ r = display->hw_config.panel_enable(display);
+
+ return r;
+}
+
+static void omap3evm_panel_disable(struct omap_display *display)
+{
+ if (display->hw_config.panel_disable)
+ display->hw_config.panel_disable(display);
+}
+
+static int omap3evm_panel_suspend(struct omap_display *display)
+{
+ omap3evm_panel_disable(display);
+ return 0;
+}
+
+static int omap3evm_panel_resume(struct omap_display *display)
+{
+ return omap3evm_panel_enable(display);
+}
+
+static struct omap_panel omap3evm_panel = {
+ .owner = THIS_MODULE,
+ .name = "panel-evm",
+ .init = omap3evm_panel_init,
+ .cleanup = omap3evm_panel_cleanup,
+ .enable = omap3evm_panel_enable,
+ .disable = omap3evm_panel_disable,
+ .suspend = omap3evm_panel_suspend,
+ .resume = omap3evm_panel_resume,
+ /*.set_mode = omap3evm_set_mode, */
+
+ .timings = {
+ .pixel_clock = 26000,
+
+ .hsw = 4,
+ .hfp = 4,
+ .hbp = 40,
+
+ .vsw = 2,
+ .vfp = 2,
+ .vbp = 7,
+ },
+
+ .acb = 0x28,
+
+ .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS |
+ OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC,
+
+ .x_res = 480,
+ .y_res = 640,
+ .bpp = 18,
+};
+
+
+static int __init omap3evm_panel_drv_init(void)
+{
+ omap_dss_register_panel(&omap3evm_panel);
+ return 0;
+}
+
+static void __exit omap3evm_panel_drv_exit(void)
+{
+ omap_dss_unregister_panel(&omap3evm_panel);
+}
+
+module_init(omap3evm_panel_drv_init);
+module_exit(omap3evm_panel_drv_exit);
+MODULE_LICENSE("GPL");
--
1.5.6
--
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