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[Linux-fbdev-devel] [REVIEW PATCH 9/9] DSS: support for OMAP3 SDP board
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From: Tomi V. <tom...@no...> - 2008-11-04 16:11:02
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Signed-off-by: Tomi Valkeinen <tom...@no...>
---
arch/arm/mach-omap2/board-3430sdp.c | 234 +++++++++++++++++++++++++++++++++--
drivers/video/omap2/Kconfig | 7 +
drivers/video/omap2/Makefile | 1
drivers/video/omap2/panel-sdp3430.c | 110 ++++++++++++++++
4 files changed, 340 insertions(+), 12 deletions(-)
create mode 100644 drivers/video/omap2/panel-sdp3430.c
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 8773698..b910bc6 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -40,6 +40,8 @@
#include <mach/keypad.h>
#include <mach/dma.h>
#include <mach/gpmc.h>
+#include <mach/omapfb.h>
+#include <mach/display.h>
#include <asm/io.h>
#include <asm/delay.h>
@@ -239,14 +241,224 @@ static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
},
};
-static struct platform_device sdp3430_lcd_device = {
- .name = "sdp2430_lcd",
- .id = -1,
+static struct omap_fbmem_config sdp3430_fbmem0_config = {
+ .size = 1024*768*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
+
+static struct omap_fbmem_config sdp3430_fbmem1_config = {
+ .size = 640*480*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
};
+static struct omap_fbmem_config sdp3430_fbmem2_config = {
+ .size = 640*480*4,
+ .start = OMAPFB_MEMTYPE_SDRAM,
+};
+
+
+#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 display_init(void)
+{
+ int r;
+
+ enable_gpio = SDP3430_LCD_PANEL_ENABLE_GPIO;
+ backlight_gpio = SDP3430_LCD_PANEL_BACKLIGHT_GPIO;
+
+ r = gpio_request(enable_gpio, "OMAP SDP LCD Reset GPIO");
+ if (r) {
+ printk(KERN_ERR "failed to get LCD reset GPIO\n");
+ goto err0;
+ }
+
+ r = gpio_request(backlight_gpio, "OMAP SDP LCD Backlight GPIO");
+ 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 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 (system_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 panel_disable_lcd(struct omap_display *display)
+{
+ lcd_enabled = 0;
+
+ gpio_direction_output(enable_gpio, 0);
+ gpio_direction_output(backlight_gpio, 0);
+
+ if (system_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 sdp_display_data = {
+ .type = OMAP_DISPLAY_TYPE_DPI,
+ .name = "lcd",
+ .panel_name = "panel-sdp3430",
+ .u.dpi.data_lines = 16,
+ .panel_enable = panel_enable_lcd,
+ .panel_disable = panel_disable_lcd,
+};
+
+static int panel_enable_dvi(struct omap_display *display)
+{
+ if (lcd_enabled) {
+ printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
+ return -EINVAL;
+ }
+
+ if (system_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 panel_disable_dvi(struct omap_display *display)
+{
+ dvi_enabled = 0;
+
+ if (system_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 sdp_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 int 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 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 sdp_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 struct omap_dss_platform_data sdp3430_dss_data = {
+ .num_displays = 3,
+ .displays = {
+ &sdp_display_data,
+ &sdp_display_data_dvi,
+ &sdp_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)
@@ -293,13 +505,11 @@ 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 },
+ { OMAP_TAG_FBMEM, &sdp3430_fbmem0_config },
+ { OMAP_TAG_FBMEM, &sdp3430_fbmem1_config },
+ { OMAP_TAG_FBMEM, &sdp3430_fbmem2_config },
};
static int sdp3430_batt_table[] = {
@@ -450,8 +660,6 @@ static void __init omap_3430sdp_init(void)
{
omap3430_i2c_init();
platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
- omap_board_config = sdp3430_config;
- omap_board_config_size = ARRAY_SIZE(sdp3430_config);
if (system_rev > OMAP3430_REV_ES1_0)
ts_gpio = OMAP34XX_TS_GPIO_IRQ_SDPV2;
else
@@ -466,10 +674,14 @@ static void __init omap_3430sdp_init(void)
usb_musb_init();
usb_ehci_init();
hsmmc_init();
+ display_init();
}
static void __init omap_3430sdp_map_io(void)
{
+ omap_board_config = sdp3430_config;
+ omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+
omap2_set_globals_343x();
omap2_map_common_io();
}
diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig
index 4584e1b..95691ad 100644
--- a/drivers/video/omap2/Kconfig
+++ b/drivers/video/omap2/Kconfig
@@ -45,5 +45,10 @@ config PANEL_DVI_VERYHIGHRES
endchoice
-endmenu
+config PANEL_SDP3430
+ tristate "SDP3430 Panel"
+ depends on OMAP2_DSS
+ help
+ SDP3430 LCD
+endmenu
diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile
index 7c75340..73ab1c0 100644
--- a/drivers/video/omap2/Makefile
+++ b/drivers/video/omap2/Makefile
@@ -2,3 +2,4 @@ obj-$(CONFIG_FB_OMAP2) += omapfb.o
omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
obj-$(CONFIG_PANEL_DVI) += panel-dvi.o
+obj-$(CONFIG_PANEL_SDP3430) += panel-sdp3430.o
diff --git a/drivers/video/omap2/panel-sdp3430.c b/drivers/video/omap2/panel-sdp3430.c
new file mode 100644
index 0000000..40fe6f2
--- /dev/null
+++ b/drivers/video/omap2/panel-sdp3430.c
@@ -0,0 +1,110 @@
+/*
+ * LCD panel support for the TI 3430SDP board
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Tomi Valkeinen <tom...@no...>
+ *
+ * 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 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 sdp3430_panel_init(struct omap_display *display)
+{
+ return 0;
+}
+
+static void sdp3430_panel_cleanup(struct omap_display *display)
+{
+}
+
+static int sdp3430_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 sdp3430_panel_disable(struct omap_display *display)
+{
+ if (display->hw_config.panel_disable)
+ display->hw_config.panel_disable(display);
+}
+
+static int sdp3430_panel_suspend(struct omap_display *display)
+{
+ sdp3430_panel_disable(display);
+ return 0;
+}
+
+static int sdp3430_panel_resume(struct omap_display *display)
+{
+ return sdp3430_panel_enable(display);
+}
+
+static struct omap_panel sdp3430_panel = {
+ .owner = THIS_MODULE,
+ .name = "panel-sdp3430",
+ .init = sdp3430_panel_init,
+ .cleanup = sdp3430_panel_cleanup,
+ .enable = sdp3430_panel_enable,
+ .disable = sdp3430_panel_disable,
+ .suspend = sdp3430_panel_suspend,
+ .resume = sdp3430_panel_resume,
+ /*.set_mode = sdp3430_set_mode, */
+
+ .timings = {
+ .pixel_clock = 19200,
+
+ .hsw = 4,
+ .hfp = 4,
+ .hbp = 40,
+
+ .vsw = 2,
+ .vfp = 1,
+ .vbp = 1,
+ },
+
+ .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 = 16,
+};
+
+
+static int __init sdp3430_panel_drv_init(void)
+{
+ omap_dss_register_panel(&sdp3430_panel);
+ return 0;
+}
+
+static void __exit sdp3430_panel_drv_exit(void)
+{
+ omap_dss_unregister_panel(&sdp3430_panel);
+}
+
+module_init(sdp3430_panel_drv_init);
+module_exit(sdp3430_panel_drv_exit);
+MODULE_LICENSE("GPL");
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