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[Linux-fbdev-devel] [PATCH 16/20] OMAP: DSS2: Add DPI panel drivers
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From: Tomi V. <tom...@no...> - 2009-08-07 12:29:15
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- Generic panel - Samsung LTE430WQ-F0C LCD Panel - Sharp LS037V7DW01 LCD Panel Signed-off-by: Tomi Valkeinen <tom...@no...> --- drivers/video/omap2/Kconfig | 1 + drivers/video/omap2/Makefile | 1 + drivers/video/omap2/displays/Kconfig | 22 +++ drivers/video/omap2/displays/Makefile | 3 + drivers/video/omap2/displays/panel-generic.c | 104 +++++++++++++ .../omap2/displays/panel-samsung-lte430wq-f0c.c | 113 +++++++++++++++ .../video/omap2/displays/panel-sharp-ls037v7dw01.c | 153 ++++++++++++++++++++ 7 files changed, 397 insertions(+), 0 deletions(-) create mode 100644 drivers/video/omap2/displays/Kconfig create mode 100644 drivers/video/omap2/displays/Makefile create mode 100644 drivers/video/omap2/displays/panel-generic.c create mode 100644 drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c create mode 100644 drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig index 3e60d7e..d877c36 100644 --- a/drivers/video/omap2/Kconfig +++ b/drivers/video/omap2/Kconfig @@ -6,3 +6,4 @@ config OMAP2_VRFB source "drivers/video/omap2/dss/Kconfig" source "drivers/video/omap2/omapfb/Kconfig" +source "drivers/video/omap2/displays/Kconfig" diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile index 3ba6ef5..d853d05 100644 --- a/drivers/video/omap2/Makefile +++ b/drivers/video/omap2/Makefile @@ -3,3 +3,4 @@ obj-$(CONFIG_OMAP2_VRFB) += vrfb.o obj-y += dss/ obj-y += omapfb/ +obj-y += displays/ diff --git a/drivers/video/omap2/displays/Kconfig b/drivers/video/omap2/displays/Kconfig new file mode 100644 index 0000000..396905d --- /dev/null +++ b/drivers/video/omap2/displays/Kconfig @@ -0,0 +1,22 @@ +menu "OMAP2/3 Display Device Drivers" + depends on OMAP2_DSS + +config PANEL_GENERIC + tristate "Generic Panel" + help + Generic panel driver. + Used for DVI output for Beagle and OMAP3 SDP. + +config PANEL_SAMSUNG_LTE430WQ_F0C + tristate "Samsung LTE430WQ-F0C LCD Panel" + depends on OMAP2_DSS + help + LCD Panel used on Overo Palo43 + +config PANEL_SHARP_LS037V7DW01 + tristate "Sharp LS037V7DW01 LCD Panel" + depends on OMAP2_DSS + help + LCD Panel used in TI's SDP3430 and EVM boards + +endmenu diff --git a/drivers/video/omap2/displays/Makefile b/drivers/video/omap2/displays/Makefile new file mode 100644 index 0000000..a26bbd2 --- /dev/null +++ b/drivers/video/omap2/displays/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_PANEL_GENERIC) += panel-generic.o +obj-$(CONFIG_PANEL_SAMSUNG_LTE430WQ_F0C) += panel-samsung-lte430wq-f0c.o +obj-$(CONFIG_PANEL_SHARP_LS037V7DW01) += panel-sharp-ls037v7dw01.o diff --git a/drivers/video/omap2/displays/panel-generic.c b/drivers/video/omap2/displays/panel-generic.c new file mode 100644 index 0000000..738147e --- /dev/null +++ b/drivers/video/omap2/displays/panel-generic.c @@ -0,0 +1,104 @@ +/* + * Generic panel support + * + * Copyright (C) 2008 Nokia Corporation + * Author: Tomi Valkeinen <tom...@no...> + * + * 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 struct omap_video_timings generic_panel_timings = { + /* 640 x 480 @ 60 Hz Reduced blanking VESA CVT 0.31M3-R */ + .x_res = 640, + .y_res = 480, + .pixel_clock = 23500, + .hfp = 48, + .hsw = 32, + .hbp = 80, + .vfp = 3, + .vsw = 4, + .vbp = 7, +}; + +static int generic_panel_probe(struct omap_dss_device *dssdev) +{ + dssdev->panel.config = OMAP_DSS_LCD_TFT; + dssdev->panel.timings = generic_panel_timings; + + return 0; +} + +static void generic_panel_remove(struct omap_dss_device *dssdev) +{ +} + +static int generic_panel_enable(struct omap_dss_device *dssdev) +{ + int r = 0; + + if (dssdev->platform_enable) + r = dssdev->platform_enable(dssdev); + + return r; +} + +static void generic_panel_disable(struct omap_dss_device *dssdev) +{ + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); +} + +static int generic_panel_suspend(struct omap_dss_device *dssdev) +{ + generic_panel_disable(dssdev); + return 0; +} + +static int generic_panel_resume(struct omap_dss_device *dssdev) +{ + return generic_panel_enable(dssdev); +} + +static struct omap_dss_driver generic_driver = { + .probe = generic_panel_probe, + .remove = generic_panel_remove, + + .enable = generic_panel_enable, + .disable = generic_panel_disable, + .suspend = generic_panel_suspend, + .resume = generic_panel_resume, + + .driver = { + .name = "generic_panel", + .owner = THIS_MODULE, + }, +}; + +static int __init generic_panel_drv_init(void) +{ + return omap_dss_register_driver(&generic_driver); +} + +static void __exit generic_panel_drv_exit(void) +{ + omap_dss_unregister_driver(&generic_driver); +} + +module_init(generic_panel_drv_init); +module_exit(generic_panel_drv_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c b/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c new file mode 100644 index 0000000..eafe581 --- /dev/null +++ b/drivers/video/omap2/displays/panel-samsung-lte430wq-f0c.c @@ -0,0 +1,113 @@ +/* + * LCD panel driver for Samsung LTE430WQ-F0C + * + * Author: Steve Sakoman <st...@sa...> + * + * 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 struct omap_video_timings samsung_lte_timings = { + .x_res = 480, + .y_res = 272, + + .pixel_clock = 9200, + + .hsw = 41, + .hfp = 8, + .hbp = 45-41, + + .vsw = 10, + .vfp = 4, + .vbp = 12-10, +}; + +static int samsung_lte_panel_probe(struct omap_dss_device *dssdev) +{ + dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS; + dssdev->panel.timings = samsung_lte_timings; + + return 0; +} + +static void samsung_lte_panel_remove(struct omap_dss_device *dssdev) +{ +} + +static int samsung_lte_panel_enable(struct omap_dss_device *dssdev) +{ + int r = 0; + + /* wait couple of vsyncs until enabling the LCD */ + msleep(50); + + if (dssdev->platform_enable) + r = dssdev->platform_enable(dssdev); + + return r; +} + +static void samsung_lte_panel_disable(struct omap_dss_device *dssdev) +{ + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + + /* wait at least 5 vsyncs after disabling the LCD */ + + msleep(100); +} + +static int samsung_lte_panel_suspend(struct omap_dss_device *dssdev) +{ + samsung_lte_panel_disable(dssdev); + return 0; +} + +static int samsung_lte_panel_resume(struct omap_dss_device *dssdev) +{ + return samsung_lte_panel_enable(dssdev); +} + +static struct omap_dss_driver samsung_lte_driver = { + .probe = samsung_lte_panel_probe, + .remove = samsung_lte_panel_remove, + + .enable = samsung_lte_panel_enable, + .disable = samsung_lte_panel_disable, + .suspend = samsung_lte_panel_suspend, + .resume = samsung_lte_panel_resume, + + .driver = { + .name = "samsung_lte_panel", + .owner = THIS_MODULE, + }, +}; + +static int __init samsung_lte_panel_drv_init(void) +{ + return omap_dss_register_driver(&samsung_lte_driver); +} + +static void __exit samsung_lte_panel_drv_exit(void) +{ + omap_dss_unregister_driver(&samsung_lte_driver); +} + +module_init(samsung_lte_panel_drv_init); +module_exit(samsung_lte_panel_drv_exit); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c new file mode 100644 index 0000000..2f8f0df --- /dev/null +++ b/drivers/video/omap2/displays/panel-sharp-ls037v7dw01.c @@ -0,0 +1,153 @@ +/* + * LCD panel driver for Sharp LS037V7DW01 + * + * Copyright (C) 2008 Nokia Corporation + * Author: Tomi Valkeinen <tom...@no...> + * + * 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 <linux/device.h> +#include <linux/regulator/consumer.h> +#include <linux/err.h> + +#include <mach/display.h> + +struct sharp_data { + /* XXX This regulator should actually be in SDP board file, not here, + * as it doesn't actually power the LCD, but something else that + * affects the output to LCD (I think. Somebody clarify). It doesn't do + * harm here, as SDP is the only board using this currently */ + struct regulator *vdvi_reg; +}; + +static struct omap_video_timings sharp_ls_timings = { + .x_res = 480, + .y_res = 640, + + .pixel_clock = 19200, + + .hsw = 2, + .hfp = 1, + .hbp = 28, + + .vsw = 1, + .vfp = 1, + .vbp = 1, +}; + +static int sharp_ls_panel_probe(struct omap_dss_device *dssdev) +{ + struct sharp_data *sd; + + dssdev->panel.config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | + OMAP_DSS_LCD_IHS; + dssdev->panel.acb = 0x28; + dssdev->panel.timings = sharp_ls_timings; + + sd = kzalloc(sizeof(*sd), GFP_KERNEL); + if (!sd) + return -ENOMEM; + + dev_set_drvdata(&dssdev->dev, sd); + + sd->vdvi_reg = regulator_get(&dssdev->dev, "vdvi"); + if (IS_ERR(sd->vdvi_reg)) { + kfree(sd); + pr_err("failed to get VDVI regulator\n"); + return PTR_ERR(sd->vdvi_reg); + } + + return 0; +} + +static void sharp_ls_panel_remove(struct omap_dss_device *dssdev) +{ + struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); + + regulator_put(sd->vdvi_reg); + + kfree(sd); +} + +static int sharp_ls_panel_enable(struct omap_dss_device *dssdev) +{ + struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); + int r = 0; + + /* wait couple of vsyncs until enabling the LCD */ + msleep(50); + + regulator_enable(sd->vdvi_reg); + + if (dssdev->platform_enable) + r = dssdev->platform_enable(dssdev); + + return r; +} + +static void sharp_ls_panel_disable(struct omap_dss_device *dssdev) +{ + struct sharp_data *sd = dev_get_drvdata(&dssdev->dev); + + if (dssdev->platform_disable) + dssdev->platform_disable(dssdev); + + regulator_disable(sd->vdvi_reg); + + /* wait at least 5 vsyncs after disabling the LCD */ + + msleep(100); +} + +static int sharp_ls_panel_suspend(struct omap_dss_device *dssdev) +{ + sharp_ls_panel_disable(dssdev); + return 0; +} + +static int sharp_ls_panel_resume(struct omap_dss_device *dssdev) +{ + return sharp_ls_panel_enable(dssdev); +} + +static struct omap_dss_driver sharp_ls_driver = { + .probe = sharp_ls_panel_probe, + .remove = sharp_ls_panel_remove, + + .enable = sharp_ls_panel_enable, + .disable = sharp_ls_panel_disable, + .suspend = sharp_ls_panel_suspend, + .resume = sharp_ls_panel_resume, + + .driver = { + .name = "sharp_ls_panel", + .owner = THIS_MODULE, + }, +}; + +static int __init sharp_ls_panel_drv_init(void) +{ + return omap_dss_register_driver(&sharp_ls_driver); +} + +static void __exit sharp_ls_panel_drv_exit(void) +{ + omap_dss_unregister_driver(&sharp_ls_driver); +} + +module_init(sharp_ls_panel_drv_init); +module_exit(sharp_ls_panel_drv_exit); +MODULE_LICENSE("GPL"); -- 1.6.4 |