forked from Minki/linux
omapfb: add support for the ZOOM MDK LCD
Add glue to control the OMAP_LDP LCD as a frame buffer device using the existing dispc.c driver under omapfb. Patch updated for mainline kernel. Note that the drivers/video/omap should be updated to pass omap_lcd_config in platform_data. The patch should also be updated to compile if twl4030 is not selected, and eventually to use the regulator framework. Fixed-by: Jarkko Nikula <jarkko.nikula@gmail.com> Fixed-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Stanley.Miao <stanley.miao@windriver.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Imre Deak <imre.deak@nokia.com> Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stanley.Miao
Linus Torvalds
parent
be481941c6
commit
8fea8844a7
@ -690,6 +690,7 @@ CONFIG_GPIOLIB=y
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# CONFIG_GPIO_MAX732X is not set
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# CONFIG_GPIO_PCA953X is not set
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# CONFIG_GPIO_PCF857X is not set
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CONFIG_GPIO_TWL4030=y
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#
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# PCI GPIO expanders:
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@ -742,6 +743,7 @@ CONFIG_SSB_POSSIBLE=y
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# CONFIG_MFD_SM501 is not set
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# CONFIG_HTC_EGPIO is not set
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# CONFIG_HTC_PASIC3 is not set
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CONFIG_TWL4030_CORE=y
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# CONFIG_MFD_TMIO is not set
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# CONFIG_MFD_T7L66XB is not set
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# CONFIG_MFD_TC6387XB is not set
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@ -767,8 +769,46 @@ CONFIG_DAB=y
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#
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# CONFIG_VGASTATE is not set
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CONFIG_VIDEO_OUTPUT_CONTROL=m
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# CONFIG_FB is not set
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# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
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CONFIG_FB=y
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CONFIG_FIRMWARE_EDID=y
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# CONFIG_FB_DDC is not set
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# CONFIG_FB_BOOT_VESA_SUPPORT is not set
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CONFIG_FB_CFB_FILLRECT=y
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CONFIG_FB_CFB_COPYAREA=y
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CONFIG_FB_CFB_IMAGEBLIT=y
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# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
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# CONFIG_FB_SYS_FILLRECT is not set
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# CONFIG_FB_SYS_COPYAREA is not set
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# CONFIG_FB_SYS_IMAGEBLIT is not set
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# CONFIG_FB_FOREIGN_ENDIAN is not set
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# CONFIG_FB_SYS_FOPS is not set
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# CONFIG_FB_SVGALIB is not set
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# CONFIG_FB_MACMODES is not set
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# CONFIG_FB_BACKLIGHT is not set
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CONFIG_FB_MODE_HELPERS=y
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CONFIG_FB_TILEBLITTING=y
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#
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# Frame buffer hardware drivers
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#
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# CONFIG_FB_S1D13XXX is not set
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# CONFIG_FB_VIRTUAL is not set
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# CONFIG_FB_METRONOME is not set
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CONFIG_FB_OMAP=y
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CONFIG_FB_OMAP_LCD_VGA=y
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# CONFIG_FB_OMAP_LCDC_EXTERNAL is not set
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# CONFIG_FB_OMAP_BOOTLOADER_INIT is not set
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CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE=4
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CONFIG_BACKLIGHT_LCD_SUPPORT=y
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CONFIG_LCD_CLASS_DEVICE=y
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# CONFIG_LCD_LTV350QV is not set
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# CONFIG_LCD_ILI9320 is not set
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# CONFIG_LCD_TDO24M is not set
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# CONFIG_LCD_VGG2432A4 is not set
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CONFIG_LCD_PLATFORM=y
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CONFIG_BACKLIGHT_CLASS_DEVICE=y
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# CONFIG_BACKLIGHT_CORGI is not set
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# CONFIG_BACKLIGHT_GENERIC is not set
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#
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# Display device support
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@ -780,6 +820,16 @@ CONFIG_VIDEO_OUTPUT_CONTROL=m
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#
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# CONFIG_VGA_CONSOLE is not set
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CONFIG_DUMMY_CONSOLE=y
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CONFIG_FRAMEBUFFER_CONSOLE=y
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# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
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# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
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# CONFIG_FONTS is not set
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CONFIG_FONT_8x8=y
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CONFIG_FONT_8x16=y
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CONFIG_LOGO=y
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CONFIG_LOGO_LINUX_MONO=y
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CONFIG_LOGO_LINUX_VGA16=y
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CONFIG_LOGO_LINUX_CLUT224=y
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CONFIG_SOUND=y
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CONFIG_SND=y
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# CONFIG_SND_SEQUENCER is not set
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@ -7,6 +7,10 @@ config FB_OMAP
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help
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Frame buffer driver for OMAP based boards.
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config FB_OMAP_LCD_VGA
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bool "Use LCD in VGA mode"
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depends on MACH_OMAP_3430SDP || MACH_OMAP_LDP
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choice
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depends on FB_OMAP && MACH_OVERO
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prompt "Screen resolution"
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@ -29,6 +29,7 @@ objs-y$(CONFIG_MACH_OMAP_OSK) += lcd_osk.o
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objs-y$(CONFIG_MACH_OMAP_APOLLON) += lcd_apollon.o
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objs-y$(CONFIG_MACH_OMAP_2430SDP) += lcd_2430sdp.o
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objs-y$(CONFIG_MACH_OMAP_3430SDP) += lcd_2430sdp.o
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objs-y$(CONFIG_MACH_OMAP_LDP) += lcd_ldp.o
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objs-y$(CONFIG_MACH_OMAP2EVM) += lcd_omap2evm.o
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objs-y$(CONFIG_MACH_OMAP3EVM) += lcd_omap3evm.o
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objs-y$(CONFIG_MACH_OMAP3_BEAGLE) += lcd_omap3beagle.o
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200
drivers/video/omap/lcd_ldp.c
Normal file
200
drivers/video/omap/lcd_ldp.c
Normal file
@ -0,0 +1,200 @@
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/*
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* LCD panel support for the TI LDP board
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*
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* Copyright (C) 2007 WindRiver
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* Author: Stanley Miao <stanley.miao@windriver.com>
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*
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* Derived from drivers/video/omap/lcd-2430sdp.c
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/i2c/twl4030.h>
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#include <mach/gpio.h>
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#include <mach/mux.h>
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#include <mach/omapfb.h>
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#include <asm/mach-types.h>
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#define LCD_PANEL_BACKLIGHT_GPIO (15 + OMAP_MAX_GPIO_LINES)
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#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
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#define LCD_PANEL_RESET_GPIO 55
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#define LCD_PANEL_QVGA_GPIO 56
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#ifdef CONFIG_FB_OMAP_LCD_VGA
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#define LCD_XRES 480
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#define LCD_YRES 640
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#define LCD_PIXCLOCK_MAX 41700
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#else
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#define LCD_XRES 240
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#define LCD_YRES 320
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#define LCD_PIXCLOCK_MAX 185186
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#endif
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#define PM_RECEIVER TWL4030_MODULE_PM_RECEIVER
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#define ENABLE_VAUX2_DEDICATED 0x09
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#define ENABLE_VAUX2_DEV_GRP 0x20
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#define ENABLE_VAUX3_DEDICATED 0x03
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#define ENABLE_VAUX3_DEV_GRP 0x20
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#define ENABLE_VPLL2_DEDICATED 0x05
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#define ENABLE_VPLL2_DEV_GRP 0xE0
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#define TWL4030_VPLL2_DEV_GRP 0x33
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#define TWL4030_VPLL2_DEDICATED 0x36
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#define t2_out(c, r, v) twl4030_i2c_write_u8(c, r, v)
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static int ldp_panel_init(struct lcd_panel *panel,
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struct omapfb_device *fbdev)
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{
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gpio_request(LCD_PANEL_RESET_GPIO, "lcd reset");
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gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
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gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd panel");
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gpio_request(LCD_PANEL_BACKLIGHT_GPIO, "lcd backlight");
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gpio_direction_output(LCD_PANEL_QVGA_GPIO, 0);
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gpio_direction_output(LCD_PANEL_RESET_GPIO, 0);
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gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
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gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
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#ifdef CONFIG_FB_OMAP_LCD_VGA
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gpio_set_value(LCD_PANEL_QVGA_GPIO, 0);
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#else
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gpio_set_value(LCD_PANEL_QVGA_GPIO, 1);
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#endif
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gpio_set_value(LCD_PANEL_RESET_GPIO, 1);
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return 0;
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}
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static void ldp_panel_cleanup(struct lcd_panel *panel)
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{
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gpio_free(LCD_PANEL_BACKLIGHT_GPIO);
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gpio_free(LCD_PANEL_ENABLE_GPIO);
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gpio_free(LCD_PANEL_QVGA_GPIO);
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gpio_free(LCD_PANEL_RESET_GPIO);
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}
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static int ldp_panel_enable(struct lcd_panel *panel)
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{
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if (0 != t2_out(PM_RECEIVER, ENABLE_VPLL2_DEDICATED,
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TWL4030_VPLL2_DEDICATED))
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return -EIO;
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if (0 != t2_out(PM_RECEIVER, ENABLE_VPLL2_DEV_GRP,
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TWL4030_VPLL2_DEV_GRP))
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return -EIO;
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gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 1);
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gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 1);
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if (0 != t2_out(PM_RECEIVER, ENABLE_VAUX3_DEDICATED,
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TWL4030_VAUX3_DEDICATED))
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return -EIO;
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if (0 != t2_out(PM_RECEIVER, ENABLE_VAUX3_DEV_GRP,
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TWL4030_VAUX3_DEV_GRP))
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return -EIO;
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return 0;
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}
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static void ldp_panel_disable(struct lcd_panel *panel)
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{
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gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
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gpio_direction_output(LCD_PANEL_BACKLIGHT_GPIO, 0);
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t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEDICATED);
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t2_out(PM_RECEIVER, 0x0, TWL4030_VPLL2_DEV_GRP);
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msleep(4);
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}
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static unsigned long ldp_panel_get_caps(struct lcd_panel *panel)
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{
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return 0;
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}
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struct lcd_panel ldp_panel = {
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.name = "ldp",
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.config = OMAP_LCDC_PANEL_TFT | OMAP_LCDC_INV_VSYNC |
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OMAP_LCDC_INV_HSYNC,
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.bpp = 16,
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.data_lines = 18,
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.x_res = LCD_XRES,
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.y_res = LCD_YRES,
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.hsw = 3, /* hsync_len (4) - 1 */
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.hfp = 3, /* right_margin (4) - 1 */
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.hbp = 39, /* left_margin (40) - 1 */
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.vsw = 1, /* vsync_len (2) - 1 */
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.vfp = 2, /* lower_margin */
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.vbp = 7, /* upper_margin (8) - 1 */
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.pixel_clock = LCD_PIXCLOCK_MAX,
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.init = ldp_panel_init,
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.cleanup = ldp_panel_cleanup,
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.enable = ldp_panel_enable,
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.disable = ldp_panel_disable,
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.get_caps = ldp_panel_get_caps,
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};
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static int ldp_panel_probe(struct platform_device *pdev)
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{
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omapfb_register_panel(&ldp_panel);
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return 0;
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}
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static int ldp_panel_remove(struct platform_device *pdev)
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{
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return 0;
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}
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static int ldp_panel_suspend(struct platform_device *pdev, pm_message_t mesg)
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{
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return 0;
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}
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static int ldp_panel_resume(struct platform_device *pdev)
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{
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return 0;
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}
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struct platform_driver ldp_panel_driver = {
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.probe = ldp_panel_probe,
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.remove = ldp_panel_remove,
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.suspend = ldp_panel_suspend,
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.resume = ldp_panel_resume,
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.driver = {
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.name = "ldp_lcd",
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.owner = THIS_MODULE,
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},
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};
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static int __init ldp_panel_drv_init(void)
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{
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return platform_driver_register(&ldp_panel_driver);
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}
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static void __exit ldp_panel_drv_exit(void)
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{
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platform_driver_unregister(&ldp_panel_driver);
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}
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module_init(ldp_panel_drv_init);
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module_exit(ldp_panel_drv_exit);
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