forked from Minki/linux
OMAP: DSS2: omapfb driver
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
parent
3de7a1dc0c
commit
b39a982dde
@ -55,6 +55,10 @@ static struct platform_device omap_fb_device = {
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.num_resources = 0,
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};
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void omapfb_set_platform_data(struct omapfb_platform_data *data)
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{
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}
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static inline int ranges_overlap(unsigned long start1, unsigned long size1,
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unsigned long start2, unsigned long size2)
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{
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@ -327,7 +331,33 @@ static inline int omap_init_fb(void)
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arch_initcall(omap_init_fb);
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#else
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#elif defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
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static u64 omap_fb_dma_mask = ~(u32)0;
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static struct omapfb_platform_data omapfb_config;
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static struct platform_device omap_fb_device = {
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.name = "omapfb",
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.id = -1,
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.dev = {
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.dma_mask = &omap_fb_dma_mask,
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.coherent_dma_mask = ~(u32)0,
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.platform_data = &omapfb_config,
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},
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.num_resources = 0,
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};
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void omapfb_set_platform_data(struct omapfb_platform_data *data)
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{
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omapfb_config = *data;
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}
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static inline int omap_init_fb(void)
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{
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return platform_device_register(&omap_fb_device);
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}
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arch_initcall(omap_init_fb);
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void omapfb_reserve_sdram(void) {}
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unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
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@ -339,5 +369,20 @@ unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
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return 0;
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}
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#else
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void omapfb_set_platform_data(struct omapfb_platform_data *data)
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{
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}
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void omapfb_reserve_sdram(void) {}
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unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
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unsigned long sram_vstart,
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unsigned long sram_size,
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unsigned long start_avail,
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unsigned long size_avail)
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{
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return 0;
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}
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#endif
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@ -1,6 +1,7 @@
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config FB_OMAP
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tristate "OMAP frame buffer support (EXPERIMENTAL)"
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depends on FB && ARCH_OMAP
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depends on FB && ARCH_OMAP && (OMAP2_DSS = "n")
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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@ -72,7 +73,7 @@ config FB_OMAP_LCD_MIPID
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config FB_OMAP_BOOTLOADER_INIT
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bool "Check bootloader initialization"
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depends on FB_OMAP
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depends on FB_OMAP || FB_OMAP2
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help
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Say Y here if you want to enable checking if the bootloader has
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already initialized the display controller. In this case the
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@ -5,3 +5,4 @@ config OMAP2_VRFB
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bool
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source "drivers/video/omap2/dss/Kconfig"
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source "drivers/video/omap2/omapfb/Kconfig"
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@ -2,3 +2,4 @@ obj-$(CONFIG_OMAP2_VRAM) += vram.o
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obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
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obj-y += dss/
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obj-y += omapfb/
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37
drivers/video/omap2/omapfb/Kconfig
Normal file
37
drivers/video/omap2/omapfb/Kconfig
Normal file
@ -0,0 +1,37 @@
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menuconfig FB_OMAP2
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tristate "OMAP2/3 frame buffer support (EXPERIMENTAL)"
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depends on FB && OMAP2_DSS
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select OMAP2_VRAM
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select OMAP2_VRFB
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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help
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Frame buffer driver for OMAP2/3 based boards.
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config FB_OMAP2_DEBUG_SUPPORT
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bool "Debug support for OMAP2/3 FB"
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default y
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depends on FB_OMAP2
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help
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Support for debug output. You have to enable the actual printing
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with debug module parameter.
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config FB_OMAP2_FORCE_AUTO_UPDATE
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bool "Force main display to automatic update mode"
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depends on FB_OMAP2
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help
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Forces main display to automatic update mode (if possible),
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and also enables tearsync (if possible). By default
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displays that support manual update are started in manual
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update mode.
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config FB_OMAP2_NUM_FBS
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int "Number of framebuffers"
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range 1 10
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default 3
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depends on FB_OMAP2
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help
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Select the number of framebuffers created. OMAP2/3 has 3 overlays
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so normally this would be 3.
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2
drivers/video/omap2/omapfb/Makefile
Normal file
2
drivers/video/omap2/omapfb/Makefile
Normal file
@ -0,0 +1,2 @@
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obj-$(CONFIG_FB_OMAP2) += omapfb.o
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omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o
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drivers/video/omap2/omapfb/omapfb-ioctl.c
Normal file
755
drivers/video/omap2/omapfb/omapfb-ioctl.c
Normal file
@ -0,0 +1,755 @@
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/*
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* linux/drivers/video/omap2/omapfb-ioctl.c
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*
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* Copyright (C) 2008 Nokia Corporation
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* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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*
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* Some code and ideas taken from drivers/video/omap/ driver
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* by Imre Deak.
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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 version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/fb.h>
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#include <linux/device.h>
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#include <linux/uaccess.h>
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#include <linux/platform_device.h>
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#include <linux/mm.h>
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#include <linux/omapfb.h>
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#include <linux/vmalloc.h>
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#include <plat/display.h>
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#include <plat/vrfb.h>
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#include <plat/vram.h>
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#include "omapfb.h"
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static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_device *fbdev = ofbi->fbdev;
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struct omap_overlay *ovl;
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struct omap_overlay_info info;
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int r = 0;
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DBG("omapfb_setup_plane\n");
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if (ofbi->num_overlays != 1) {
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r = -EINVAL;
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goto out;
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}
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/* XXX uses only the first overlay */
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ovl = ofbi->overlays[0];
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if (pi->enabled && !ofbi->region.size) {
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/*
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* This plane's memory was freed, can't enable it
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* until it's reallocated.
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*/
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r = -EINVAL;
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goto out;
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}
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ovl->get_overlay_info(ovl, &info);
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info.pos_x = pi->pos_x;
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info.pos_y = pi->pos_y;
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info.out_width = pi->out_width;
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info.out_height = pi->out_height;
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info.enabled = pi->enabled;
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r = ovl->set_overlay_info(ovl, &info);
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if (r)
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goto out;
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if (ovl->manager) {
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r = ovl->manager->apply(ovl->manager);
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if (r)
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goto out;
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}
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out:
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if (r)
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dev_err(fbdev->dev, "setup_plane failed\n");
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return r;
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}
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static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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if (ofbi->num_overlays != 1) {
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memset(pi, 0, sizeof(*pi));
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} else {
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struct omap_overlay_info *ovli;
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struct omap_overlay *ovl;
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ovl = ofbi->overlays[0];
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ovli = &ovl->info;
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pi->pos_x = ovli->pos_x;
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pi->pos_y = ovli->pos_y;
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pi->enabled = ovli->enabled;
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pi->channel_out = 0; /* xxx */
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pi->mirror = 0;
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pi->out_width = ovli->out_width;
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pi->out_height = ovli->out_height;
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}
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return 0;
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}
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static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_device *fbdev = ofbi->fbdev;
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struct omapfb2_mem_region *rg;
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int r, i;
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size_t size;
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if (mi->type > OMAPFB_MEMTYPE_MAX)
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return -EINVAL;
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size = PAGE_ALIGN(mi->size);
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rg = &ofbi->region;
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for (i = 0; i < ofbi->num_overlays; i++) {
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if (ofbi->overlays[i]->info.enabled)
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return -EBUSY;
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}
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if (rg->size != size || rg->type != mi->type) {
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r = omapfb_realloc_fbmem(fbi, size, mi->type);
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if (r) {
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dev_err(fbdev->dev, "realloc fbmem failed\n");
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return r;
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}
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}
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return 0;
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}
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static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_mem_region *rg;
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rg = &ofbi->region;
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memset(mi, 0, sizeof(*mi));
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mi->size = rg->size;
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mi->type = rg->type;
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return 0;
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}
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static int omapfb_update_window_nolock(struct fb_info *fbi,
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u32 x, u32 y, u32 w, u32 h)
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{
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struct omap_dss_device *display = fb2display(fbi);
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u16 dw, dh;
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if (!display)
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return 0;
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if (w == 0 || h == 0)
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return 0;
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display->get_resolution(display, &dw, &dh);
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if (x + w > dw || y + h > dh)
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return -EINVAL;
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return display->update(display, x, y, w, h);
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}
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/* This function is exported for SGX driver use */
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int omapfb_update_window(struct fb_info *fbi,
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u32 x, u32 y, u32 w, u32 h)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_device *fbdev = ofbi->fbdev;
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int r;
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omapfb_lock(fbdev);
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lock_fb_info(fbi);
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r = omapfb_update_window_nolock(fbi, x, y, w, h);
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unlock_fb_info(fbi);
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omapfb_unlock(fbdev);
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return r;
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}
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EXPORT_SYMBOL(omapfb_update_window);
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static int omapfb_set_update_mode(struct fb_info *fbi,
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enum omapfb_update_mode mode)
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{
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struct omap_dss_device *display = fb2display(fbi);
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enum omap_dss_update_mode um;
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int r;
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if (!display || !display->set_update_mode)
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return -EINVAL;
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switch (mode) {
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case OMAPFB_UPDATE_DISABLED:
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um = OMAP_DSS_UPDATE_DISABLED;
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break;
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case OMAPFB_AUTO_UPDATE:
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um = OMAP_DSS_UPDATE_AUTO;
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break;
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case OMAPFB_MANUAL_UPDATE:
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um = OMAP_DSS_UPDATE_MANUAL;
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break;
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default:
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return -EINVAL;
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}
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r = display->set_update_mode(display, um);
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return r;
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}
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static int omapfb_get_update_mode(struct fb_info *fbi,
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enum omapfb_update_mode *mode)
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{
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struct omap_dss_device *display = fb2display(fbi);
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enum omap_dss_update_mode m;
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if (!display || !display->get_update_mode)
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return -EINVAL;
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m = display->get_update_mode(display);
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switch (m) {
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case OMAP_DSS_UPDATE_DISABLED:
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*mode = OMAPFB_UPDATE_DISABLED;
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break;
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case OMAP_DSS_UPDATE_AUTO:
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*mode = OMAPFB_AUTO_UPDATE;
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break;
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case OMAP_DSS_UPDATE_MANUAL:
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*mode = OMAPFB_MANUAL_UPDATE;
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break;
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default:
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BUG();
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}
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return 0;
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}
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/* XXX this color key handling is a hack... */
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static struct omapfb_color_key omapfb_color_keys[2];
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static int _omapfb_set_color_key(struct omap_overlay_manager *mgr,
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struct omapfb_color_key *ck)
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{
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struct omap_overlay_manager_info info;
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enum omap_dss_trans_key_type kt;
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int r;
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mgr->get_manager_info(mgr, &info);
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if (ck->key_type == OMAPFB_COLOR_KEY_DISABLED) {
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info.trans_enabled = false;
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omapfb_color_keys[mgr->id] = *ck;
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r = mgr->set_manager_info(mgr, &info);
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if (r)
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return r;
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r = mgr->apply(mgr);
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return r;
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}
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switch (ck->key_type) {
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case OMAPFB_COLOR_KEY_GFX_DST:
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kt = OMAP_DSS_COLOR_KEY_GFX_DST;
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break;
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case OMAPFB_COLOR_KEY_VID_SRC:
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kt = OMAP_DSS_COLOR_KEY_VID_SRC;
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break;
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default:
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return -EINVAL;
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}
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info.default_color = ck->background;
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info.trans_key = ck->trans_key;
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info.trans_key_type = kt;
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info.trans_enabled = true;
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omapfb_color_keys[mgr->id] = *ck;
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r = mgr->set_manager_info(mgr, &info);
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if (r)
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return r;
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r = mgr->apply(mgr);
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return r;
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}
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static int omapfb_set_color_key(struct fb_info *fbi,
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struct omapfb_color_key *ck)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_device *fbdev = ofbi->fbdev;
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int r;
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int i;
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struct omap_overlay_manager *mgr = NULL;
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omapfb_lock(fbdev);
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for (i = 0; i < ofbi->num_overlays; i++) {
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if (ofbi->overlays[i]->manager) {
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mgr = ofbi->overlays[i]->manager;
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break;
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}
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}
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if (!mgr) {
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r = -EINVAL;
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goto err;
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}
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r = _omapfb_set_color_key(mgr, ck);
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err:
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omapfb_unlock(fbdev);
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return r;
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}
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static int omapfb_get_color_key(struct fb_info *fbi,
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struct omapfb_color_key *ck)
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{
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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_device *fbdev = ofbi->fbdev;
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struct omap_overlay_manager *mgr = NULL;
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int r = 0;
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int i;
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omapfb_lock(fbdev);
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for (i = 0; i < ofbi->num_overlays; i++) {
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if (ofbi->overlays[i]->manager) {
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mgr = ofbi->overlays[i]->manager;
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break;
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}
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}
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|
||||
if (!mgr) {
|
||||
r = -EINVAL;
|
||||
goto err;
|
||||
}
|
||||
|
||||
*ck = omapfb_color_keys[mgr->id];
|
||||
err:
|
||||
omapfb_unlock(fbdev);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int omapfb_memory_read(struct fb_info *fbi,
|
||||
struct omapfb_memory_read *mr)
|
||||
{
|
||||
struct omap_dss_device *display = fb2display(fbi);
|
||||
void *buf;
|
||||
int r;
|
||||
|
||||
if (!display || !display->memory_read)
|
||||
return -ENOENT;
|
||||
|
||||
if (!access_ok(VERIFY_WRITE, mr->buffer, mr->buffer_size))
|
||||
return -EFAULT;
|
||||
|
||||
if (mr->w * mr->h * 3 > mr->buffer_size)
|
||||
return -EINVAL;
|
||||
|
||||
buf = vmalloc(mr->buffer_size);
|
||||
if (!buf) {
|
||||
DBG("vmalloc failed\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
r = display->memory_read(display, buf, mr->buffer_size,
|
||||
mr->x, mr->y, mr->w, mr->h);
|
||||
|
||||
if (r > 0) {
|
||||
if (copy_to_user(mr->buffer, buf, mr->buffer_size))
|
||||
r = -EFAULT;
|
||||
}
|
||||
|
||||
vfree(buf);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static int omapfb_get_ovl_colormode(struct omapfb2_device *fbdev,
|
||||
struct omapfb_ovl_colormode *mode)
|
||||
{
|
||||
int ovl_idx = mode->overlay_idx;
|
||||
int mode_idx = mode->mode_idx;
|
||||
struct omap_overlay *ovl;
|
||||
enum omap_color_mode supported_modes;
|
||||
struct fb_var_screeninfo var;
|
||||
int i;
|
||||
|
||||
if (ovl_idx >= fbdev->num_overlays)
|
||||
return -ENODEV;
|
||||
ovl = fbdev->overlays[ovl_idx];
|
||||
supported_modes = ovl->supported_modes;
|
||||
|
||||
mode_idx = mode->mode_idx;
|
||||
|
||||
for (i = 0; i < sizeof(supported_modes) * 8; i++) {
|
||||
if (!(supported_modes & (1 << i)))
|
||||
continue;
|
||||
/*
|
||||
* It's possible that the FB doesn't support a mode
|
||||
* that is supported by the overlay, so call the
|
||||
* following here.
|
||||
*/
|
||||
if (dss_mode_to_fb_mode(1 << i, &var) < 0)
|
||||
continue;
|
||||
|
||||
mode_idx--;
|
||||
if (mode_idx < 0)
|
||||
break;
|
||||
}
|
||||
|
||||
if (i == sizeof(supported_modes) * 8)
|
||||
return -ENOENT;
|
||||
|
||||
mode->bits_per_pixel = var.bits_per_pixel;
|
||||
mode->nonstd = var.nonstd;
|
||||
mode->red = var.red;
|
||||
mode->green = var.green;
|
||||
mode->blue = var.blue;
|
||||
mode->transp = var.transp;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omapfb_wait_for_go(struct fb_info *fbi)
|
||||
{
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
int r = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ofbi->num_overlays; ++i) {
|
||||
struct omap_overlay *ovl = ofbi->overlays[i];
|
||||
r = ovl->wait_for_go(ovl);
|
||||
if (r)
|
||||
break;
|
||||
}
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
struct omapfb2_device *fbdev = ofbi->fbdev;
|
||||
struct omap_dss_device *display = fb2display(fbi);
|
||||
|
||||
union {
|
||||
struct omapfb_update_window_old uwnd_o;
|
||||
struct omapfb_update_window uwnd;
|
||||
struct omapfb_plane_info plane_info;
|
||||
struct omapfb_caps caps;
|
||||
struct omapfb_mem_info mem_info;
|
||||
struct omapfb_color_key color_key;
|
||||
struct omapfb_ovl_colormode ovl_colormode;
|
||||
enum omapfb_update_mode update_mode;
|
||||
int test_num;
|
||||
struct omapfb_memory_read memory_read;
|
||||
struct omapfb_vram_info vram_info;
|
||||
struct omapfb_tearsync_info tearsync_info;
|
||||
} p;
|
||||
|
||||
int r = 0;
|
||||
|
||||
switch (cmd) {
|
||||
case OMAPFB_SYNC_GFX:
|
||||
DBG("ioctl SYNC_GFX\n");
|
||||
if (!display || !display->sync) {
|
||||
/* DSS1 never returns an error here, so we neither */
|
||||
/*r = -EINVAL;*/
|
||||
break;
|
||||
}
|
||||
|
||||
r = display->sync(display);
|
||||
break;
|
||||
|
||||
case OMAPFB_UPDATE_WINDOW_OLD:
|
||||
DBG("ioctl UPDATE_WINDOW_OLD\n");
|
||||
if (!display || !display->update) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
if (copy_from_user(&p.uwnd_o,
|
||||
(void __user *)arg,
|
||||
sizeof(p.uwnd_o))) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
r = omapfb_update_window_nolock(fbi, p.uwnd_o.x, p.uwnd_o.y,
|
||||
p.uwnd_o.width, p.uwnd_o.height);
|
||||
break;
|
||||
|
||||
case OMAPFB_UPDATE_WINDOW:
|
||||
DBG("ioctl UPDATE_WINDOW\n");
|
||||
if (!display || !display->update) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
if (copy_from_user(&p.uwnd, (void __user *)arg,
|
||||
sizeof(p.uwnd))) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
r = omapfb_update_window_nolock(fbi, p.uwnd.x, p.uwnd.y,
|
||||
p.uwnd.width, p.uwnd.height);
|
||||
break;
|
||||
|
||||
case OMAPFB_SETUP_PLANE:
|
||||
DBG("ioctl SETUP_PLANE\n");
|
||||
if (copy_from_user(&p.plane_info, (void __user *)arg,
|
||||
sizeof(p.plane_info)))
|
||||
r = -EFAULT;
|
||||
else
|
||||
r = omapfb_setup_plane(fbi, &p.plane_info);
|
||||
break;
|
||||
|
||||
case OMAPFB_QUERY_PLANE:
|
||||
DBG("ioctl QUERY_PLANE\n");
|
||||
r = omapfb_query_plane(fbi, &p.plane_info);
|
||||
if (r < 0)
|
||||
break;
|
||||
if (copy_to_user((void __user *)arg, &p.plane_info,
|
||||
sizeof(p.plane_info)))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
|
||||
case OMAPFB_SETUP_MEM:
|
||||
DBG("ioctl SETUP_MEM\n");
|
||||
if (copy_from_user(&p.mem_info, (void __user *)arg,
|
||||
sizeof(p.mem_info)))
|
||||
r = -EFAULT;
|
||||
else
|
||||
r = omapfb_setup_mem(fbi, &p.mem_info);
|
||||
break;
|
||||
|
||||
case OMAPFB_QUERY_MEM:
|
||||
DBG("ioctl QUERY_MEM\n");
|
||||
r = omapfb_query_mem(fbi, &p.mem_info);
|
||||
if (r < 0)
|
||||
break;
|
||||
if (copy_to_user((void __user *)arg, &p.mem_info,
|
||||
sizeof(p.mem_info)))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
|
||||
case OMAPFB_GET_CAPS:
|
||||
DBG("ioctl GET_CAPS\n");
|
||||
if (!display) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
memset(&p.caps, 0, sizeof(p.caps));
|
||||
if (display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE)
|
||||
p.caps.ctrl |= OMAPFB_CAPS_MANUAL_UPDATE;
|
||||
if (display->caps & OMAP_DSS_DISPLAY_CAP_TEAR_ELIM)
|
||||
p.caps.ctrl |= OMAPFB_CAPS_TEARSYNC;
|
||||
|
||||
if (copy_to_user((void __user *)arg, &p.caps, sizeof(p.caps)))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
|
||||
case OMAPFB_GET_OVERLAY_COLORMODE:
|
||||
DBG("ioctl GET_OVERLAY_COLORMODE\n");
|
||||
if (copy_from_user(&p.ovl_colormode, (void __user *)arg,
|
||||
sizeof(p.ovl_colormode))) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
r = omapfb_get_ovl_colormode(fbdev, &p.ovl_colormode);
|
||||
if (r < 0)
|
||||
break;
|
||||
if (copy_to_user((void __user *)arg, &p.ovl_colormode,
|
||||
sizeof(p.ovl_colormode)))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
|
||||
case OMAPFB_SET_UPDATE_MODE:
|
||||
DBG("ioctl SET_UPDATE_MODE\n");
|
||||
if (get_user(p.update_mode, (int __user *)arg))
|
||||
r = -EFAULT;
|
||||
else
|
||||
r = omapfb_set_update_mode(fbi, p.update_mode);
|
||||
break;
|
||||
|
||||
case OMAPFB_GET_UPDATE_MODE:
|
||||
DBG("ioctl GET_UPDATE_MODE\n");
|
||||
r = omapfb_get_update_mode(fbi, &p.update_mode);
|
||||
if (r)
|
||||
break;
|
||||
if (put_user(p.update_mode,
|
||||
(enum omapfb_update_mode __user *)arg))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
|
||||
case OMAPFB_SET_COLOR_KEY:
|
||||
DBG("ioctl SET_COLOR_KEY\n");
|
||||
if (copy_from_user(&p.color_key, (void __user *)arg,
|
||||
sizeof(p.color_key)))
|
||||
r = -EFAULT;
|
||||
else
|
||||
r = omapfb_set_color_key(fbi, &p.color_key);
|
||||
break;
|
||||
|
||||
case OMAPFB_GET_COLOR_KEY:
|
||||
DBG("ioctl GET_COLOR_KEY\n");
|
||||
r = omapfb_get_color_key(fbi, &p.color_key);
|
||||
if (r)
|
||||
break;
|
||||
if (copy_to_user((void __user *)arg, &p.color_key,
|
||||
sizeof(p.color_key)))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
|
||||
case OMAPFB_WAITFORVSYNC:
|
||||
DBG("ioctl WAITFORVSYNC\n");
|
||||
if (!display) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
r = display->wait_vsync(display);
|
||||
break;
|
||||
|
||||
case OMAPFB_WAITFORGO:
|
||||
DBG("ioctl WAITFORGO\n");
|
||||
if (!display) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
r = omapfb_wait_for_go(fbi);
|
||||
break;
|
||||
|
||||
/* LCD and CTRL tests do the same thing for backward
|
||||
* compatibility */
|
||||
case OMAPFB_LCD_TEST:
|
||||
DBG("ioctl LCD_TEST\n");
|
||||
if (get_user(p.test_num, (int __user *)arg)) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
if (!display || !display->run_test) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
r = display->run_test(display, p.test_num);
|
||||
|
||||
break;
|
||||
|
||||
case OMAPFB_CTRL_TEST:
|
||||
DBG("ioctl CTRL_TEST\n");
|
||||
if (get_user(p.test_num, (int __user *)arg)) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
if (!display || !display->run_test) {
|
||||
r = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
r = display->run_test(display, p.test_num);
|
||||
|
||||
break;
|
||||
|
||||
case OMAPFB_MEMORY_READ:
|
||||
DBG("ioctl MEMORY_READ\n");
|
||||
|
||||
if (copy_from_user(&p.memory_read, (void __user *)arg,
|
||||
sizeof(p.memory_read))) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
r = omapfb_memory_read(fbi, &p.memory_read);
|
||||
|
||||
break;
|
||||
|
||||
case OMAPFB_GET_VRAM_INFO: {
|
||||
unsigned long vram, free, largest;
|
||||
|
||||
DBG("ioctl GET_VRAM_INFO\n");
|
||||
|
||||
omap_vram_get_info(&vram, &free, &largest);
|
||||
p.vram_info.total = vram;
|
||||
p.vram_info.free = free;
|
||||
p.vram_info.largest_free_block = largest;
|
||||
|
||||
if (copy_to_user((void __user *)arg, &p.vram_info,
|
||||
sizeof(p.vram_info)))
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
case OMAPFB_SET_TEARSYNC: {
|
||||
DBG("ioctl SET_TEARSYNC\n");
|
||||
|
||||
if (copy_from_user(&p.tearsync_info, (void __user *)arg,
|
||||
sizeof(p.tearsync_info))) {
|
||||
r = -EFAULT;
|
||||
break;
|
||||
}
|
||||
|
||||
if (!display->enable_te) {
|
||||
r = -ENODEV;
|
||||
break;
|
||||
}
|
||||
|
||||
r = display->enable_te(display, !!p.tearsync_info.enabled);
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
dev_err(fbdev->dev, "Unknown ioctl 0x%x\n", cmd);
|
||||
r = -EINVAL;
|
||||
}
|
||||
|
||||
if (r < 0)
|
||||
DBG("ioctl failed: %d\n", r);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
|
2261
drivers/video/omap2/omapfb/omapfb-main.c
Normal file
2261
drivers/video/omap2/omapfb/omapfb-main.c
Normal file
File diff suppressed because it is too large
Load Diff
507
drivers/video/omap2/omapfb/omapfb-sysfs.c
Normal file
507
drivers/video/omap2/omapfb/omapfb-sysfs.c
Normal file
@ -0,0 +1,507 @@
|
||||
/*
|
||||
* linux/drivers/video/omap2/omapfb-sysfs.c
|
||||
*
|
||||
* Copyright (C) 2008 Nokia Corporation
|
||||
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
||||
*
|
||||
* Some code and ideas taken from drivers/video/omap/ driver
|
||||
* by Imre Deak.
|
||||
*
|
||||
* 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/fb.h>
|
||||
#include <linux/sysfs.h>
|
||||
#include <linux/device.h>
|
||||
#include <linux/uaccess.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/omapfb.h>
|
||||
|
||||
#include <plat/display.h>
|
||||
#include <plat/vrfb.h>
|
||||
|
||||
#include "omapfb.h"
|
||||
|
||||
static ssize_t show_rotate_type(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->rotation_type);
|
||||
}
|
||||
|
||||
static ssize_t store_rotate_type(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
enum omap_dss_rotation_type rot_type;
|
||||
int r;
|
||||
|
||||
rot_type = simple_strtoul(buf, NULL, 0);
|
||||
|
||||
if (rot_type != OMAP_DSS_ROT_DMA && rot_type != OMAP_DSS_ROT_VRFB)
|
||||
return -EINVAL;
|
||||
|
||||
lock_fb_info(fbi);
|
||||
|
||||
r = 0;
|
||||
if (rot_type == ofbi->rotation_type)
|
||||
goto out;
|
||||
|
||||
if (ofbi->region.size) {
|
||||
r = -EBUSY;
|
||||
goto out;
|
||||
}
|
||||
|
||||
ofbi->rotation_type = rot_type;
|
||||
|
||||
/*
|
||||
* Since the VRAM for this FB is not allocated at the moment we don't
|
||||
* need to do any further parameter checking at this point.
|
||||
*/
|
||||
out:
|
||||
unlock_fb_info(fbi);
|
||||
|
||||
return r ? r : count;
|
||||
}
|
||||
|
||||
|
||||
static ssize_t show_mirror(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->mirror);
|
||||
}
|
||||
|
||||
static ssize_t store_mirror(struct device *dev,
|
||||
struct device_attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
bool mirror;
|
||||
int r;
|
||||
struct fb_var_screeninfo new_var;
|
||||
|
||||
mirror = simple_strtoul(buf, NULL, 0);
|
||||
|
||||
if (mirror != 0 && mirror != 1)
|
||||
return -EINVAL;
|
||||
|
||||
lock_fb_info(fbi);
|
||||
|
||||
ofbi->mirror = mirror;
|
||||
|
||||
memcpy(&new_var, &fbi->var, sizeof(new_var));
|
||||
r = check_fb_var(fbi, &new_var);
|
||||
if (r)
|
||||
goto out;
|
||||
memcpy(&fbi->var, &new_var, sizeof(fbi->var));
|
||||
|
||||
set_fb_fix(fbi);
|
||||
|
||||
r = omapfb_apply_changes(fbi, 0);
|
||||
if (r)
|
||||
goto out;
|
||||
|
||||
r = count;
|
||||
out:
|
||||
unlock_fb_info(fbi);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static ssize_t show_overlays(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
struct omapfb2_device *fbdev = ofbi->fbdev;
|
||||
ssize_t l = 0;
|
||||
int t;
|
||||
|
||||
omapfb_lock(fbdev);
|
||||
lock_fb_info(fbi);
|
||||
|
||||
for (t = 0; t < ofbi->num_overlays; t++) {
|
||||
struct omap_overlay *ovl = ofbi->overlays[t];
|
||||
int ovlnum;
|
||||
|
||||
for (ovlnum = 0; ovlnum < fbdev->num_overlays; ++ovlnum)
|
||||
if (ovl == fbdev->overlays[ovlnum])
|
||||
break;
|
||||
|
||||
l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
|
||||
t == 0 ? "" : ",", ovlnum);
|
||||
}
|
||||
|
||||
l += snprintf(buf + l, PAGE_SIZE - l, "\n");
|
||||
|
||||
unlock_fb_info(fbi);
|
||||
omapfb_unlock(fbdev);
|
||||
|
||||
return l;
|
||||
}
|
||||
|
||||
static struct omapfb_info *get_overlay_fb(struct omapfb2_device *fbdev,
|
||||
struct omap_overlay *ovl)
|
||||
{
|
||||
int i, t;
|
||||
|
||||
for (i = 0; i < fbdev->num_fbs; i++) {
|
||||
struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]);
|
||||
|
||||
for (t = 0; t < ofbi->num_overlays; t++) {
|
||||
if (ofbi->overlays[t] == ovl)
|
||||
return ofbi;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static ssize_t store_overlays(struct device *dev, struct device_attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
struct omapfb2_device *fbdev = ofbi->fbdev;
|
||||
struct omap_overlay *ovls[OMAPFB_MAX_OVL_PER_FB];
|
||||
struct omap_overlay *ovl;
|
||||
int num_ovls, r, i;
|
||||
int len;
|
||||
bool added = false;
|
||||
|
||||
num_ovls = 0;
|
||||
|
||||
len = strlen(buf);
|
||||
if (buf[len - 1] == '\n')
|
||||
len = len - 1;
|
||||
|
||||
omapfb_lock(fbdev);
|
||||
lock_fb_info(fbi);
|
||||
|
||||
if (len > 0) {
|
||||
char *p = (char *)buf;
|
||||
int ovlnum;
|
||||
|
||||
while (p < buf + len) {
|
||||
int found;
|
||||
if (num_ovls == OMAPFB_MAX_OVL_PER_FB) {
|
||||
r = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
ovlnum = simple_strtoul(p, &p, 0);
|
||||
if (ovlnum > fbdev->num_overlays) {
|
||||
r = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
found = 0;
|
||||
for (i = 0; i < num_ovls; ++i) {
|
||||
if (ovls[i] == fbdev->overlays[ovlnum]) {
|
||||
found = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!found)
|
||||
ovls[num_ovls++] = fbdev->overlays[ovlnum];
|
||||
|
||||
p++;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < num_ovls; ++i) {
|
||||
struct omapfb_info *ofbi2 = get_overlay_fb(fbdev, ovls[i]);
|
||||
if (ofbi2 && ofbi2 != ofbi) {
|
||||
dev_err(fbdev->dev, "overlay already in use\n");
|
||||
r = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
/* detach unused overlays */
|
||||
for (i = 0; i < ofbi->num_overlays; ++i) {
|
||||
int t, found;
|
||||
|
||||
ovl = ofbi->overlays[i];
|
||||
|
||||
found = 0;
|
||||
|
||||
for (t = 0; t < num_ovls; ++t) {
|
||||
if (ovl == ovls[t]) {
|
||||
found = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (found)
|
||||
continue;
|
||||
|
||||
DBG("detaching %d\n", ofbi->overlays[i]->id);
|
||||
|
||||
omapfb_overlay_enable(ovl, 0);
|
||||
|
||||
if (ovl->manager)
|
||||
ovl->manager->apply(ovl->manager);
|
||||
|
||||
for (t = i + 1; t < ofbi->num_overlays; t++) {
|
||||
ofbi->rotation[t-1] = ofbi->rotation[t];
|
||||
ofbi->overlays[t-1] = ofbi->overlays[t];
|
||||
}
|
||||
|
||||
ofbi->num_overlays--;
|
||||
i--;
|
||||
}
|
||||
|
||||
for (i = 0; i < num_ovls; ++i) {
|
||||
int t, found;
|
||||
|
||||
ovl = ovls[i];
|
||||
|
||||
found = 0;
|
||||
|
||||
for (t = 0; t < ofbi->num_overlays; ++t) {
|
||||
if (ovl == ofbi->overlays[t]) {
|
||||
found = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (found)
|
||||
continue;
|
||||
ofbi->rotation[ofbi->num_overlays] = 0;
|
||||
ofbi->overlays[ofbi->num_overlays++] = ovl;
|
||||
|
||||
added = true;
|
||||
}
|
||||
|
||||
if (added) {
|
||||
r = omapfb_apply_changes(fbi, 0);
|
||||
if (r)
|
||||
goto out;
|
||||
}
|
||||
|
||||
r = count;
|
||||
out:
|
||||
unlock_fb_info(fbi);
|
||||
omapfb_unlock(fbdev);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static ssize_t show_overlays_rotate(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
ssize_t l = 0;
|
||||
int t;
|
||||
|
||||
lock_fb_info(fbi);
|
||||
|
||||
for (t = 0; t < ofbi->num_overlays; t++) {
|
||||
l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
|
||||
t == 0 ? "" : ",", ofbi->rotation[t]);
|
||||
}
|
||||
|
||||
l += snprintf(buf + l, PAGE_SIZE - l, "\n");
|
||||
|
||||
unlock_fb_info(fbi);
|
||||
|
||||
return l;
|
||||
}
|
||||
|
||||
static ssize_t store_overlays_rotate(struct device *dev,
|
||||
struct device_attribute *attr, const char *buf, size_t count)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
int num_ovls = 0, r, i;
|
||||
int len;
|
||||
bool changed = false;
|
||||
u8 rotation[OMAPFB_MAX_OVL_PER_FB];
|
||||
|
||||
len = strlen(buf);
|
||||
if (buf[len - 1] == '\n')
|
||||
len = len - 1;
|
||||
|
||||
lock_fb_info(fbi);
|
||||
|
||||
if (len > 0) {
|
||||
char *p = (char *)buf;
|
||||
|
||||
while (p < buf + len) {
|
||||
int rot;
|
||||
|
||||
if (num_ovls == ofbi->num_overlays) {
|
||||
r = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
rot = simple_strtoul(p, &p, 0);
|
||||
if (rot < 0 || rot > 3) {
|
||||
r = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (ofbi->rotation[num_ovls] != rot)
|
||||
changed = true;
|
||||
|
||||
rotation[num_ovls++] = rot;
|
||||
|
||||
p++;
|
||||
}
|
||||
}
|
||||
|
||||
if (num_ovls != ofbi->num_overlays) {
|
||||
r = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (changed) {
|
||||
for (i = 0; i < num_ovls; ++i)
|
||||
ofbi->rotation[i] = rotation[i];
|
||||
|
||||
r = omapfb_apply_changes(fbi, 0);
|
||||
if (r)
|
||||
goto out;
|
||||
|
||||
/* FIXME error handling? */
|
||||
}
|
||||
|
||||
r = count;
|
||||
out:
|
||||
unlock_fb_info(fbi);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static ssize_t show_size(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region.size);
|
||||
}
|
||||
|
||||
static ssize_t store_size(struct device *dev, struct device_attribute *attr,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
unsigned long size;
|
||||
int r;
|
||||
int i;
|
||||
|
||||
size = PAGE_ALIGN(simple_strtoul(buf, NULL, 0));
|
||||
|
||||
lock_fb_info(fbi);
|
||||
|
||||
for (i = 0; i < ofbi->num_overlays; i++) {
|
||||
if (ofbi->overlays[i]->info.enabled) {
|
||||
r = -EBUSY;
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
if (size != ofbi->region.size) {
|
||||
r = omapfb_realloc_fbmem(fbi, size, ofbi->region.type);
|
||||
if (r) {
|
||||
dev_err(dev, "realloc fbmem failed\n");
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
|
||||
r = count;
|
||||
out:
|
||||
unlock_fb_info(fbi);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
static ssize_t show_phys(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region.paddr);
|
||||
}
|
||||
|
||||
static ssize_t show_virt(struct device *dev,
|
||||
struct device_attribute *attr, char *buf)
|
||||
{
|
||||
struct fb_info *fbi = dev_get_drvdata(dev);
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
|
||||
return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region.vaddr);
|
||||
}
|
||||
|
||||
static struct device_attribute omapfb_attrs[] = {
|
||||
__ATTR(rotate_type, S_IRUGO | S_IWUSR, show_rotate_type,
|
||||
store_rotate_type),
|
||||
__ATTR(mirror, S_IRUGO | S_IWUSR, show_mirror, store_mirror),
|
||||
__ATTR(size, S_IRUGO | S_IWUSR, show_size, store_size),
|
||||
__ATTR(overlays, S_IRUGO | S_IWUSR, show_overlays, store_overlays),
|
||||
__ATTR(overlays_rotate, S_IRUGO | S_IWUSR, show_overlays_rotate,
|
||||
store_overlays_rotate),
|
||||
__ATTR(phys_addr, S_IRUGO, show_phys, NULL),
|
||||
__ATTR(virt_addr, S_IRUGO, show_virt, NULL),
|
||||
};
|
||||
|
||||
int omapfb_create_sysfs(struct omapfb2_device *fbdev)
|
||||
{
|
||||
int i;
|
||||
int r;
|
||||
|
||||
DBG("create sysfs for fbs\n");
|
||||
for (i = 0; i < fbdev->num_fbs; i++) {
|
||||
int t;
|
||||
for (t = 0; t < ARRAY_SIZE(omapfb_attrs); t++) {
|
||||
r = device_create_file(fbdev->fbs[i]->dev,
|
||||
&omapfb_attrs[t]);
|
||||
|
||||
if (r) {
|
||||
dev_err(fbdev->dev, "failed to create sysfs "
|
||||
"file\n");
|
||||
return r;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void omapfb_remove_sysfs(struct omapfb2_device *fbdev)
|
||||
{
|
||||
int i, t;
|
||||
|
||||
DBG("remove sysfs for fbs\n");
|
||||
for (i = 0; i < fbdev->num_fbs; i++) {
|
||||
for (t = 0; t < ARRAY_SIZE(omapfb_attrs); t++)
|
||||
device_remove_file(fbdev->fbs[i]->dev,
|
||||
&omapfb_attrs[t]);
|
||||
}
|
||||
}
|
||||
|
146
drivers/video/omap2/omapfb/omapfb.h
Normal file
146
drivers/video/omap2/omapfb/omapfb.h
Normal file
@ -0,0 +1,146 @@
|
||||
/*
|
||||
* linux/drivers/video/omap2/omapfb.h
|
||||
*
|
||||
* Copyright (C) 2008 Nokia Corporation
|
||||
* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
|
||||
*
|
||||
* Some code and ideas taken from drivers/video/omap/ driver
|
||||
* by Imre Deak.
|
||||
*
|
||||
* 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/>.
|
||||
*/
|
||||
|
||||
#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
|
||||
#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__
|
||||
|
||||
#ifdef CONFIG_FB_OMAP2_DEBUG_SUPPORT
|
||||
#define DEBUG
|
||||
#endif
|
||||
|
||||
#include <plat/display.h>
|
||||
|
||||
#ifdef DEBUG
|
||||
extern unsigned int omapfb_debug;
|
||||
#define DBG(format, ...) \
|
||||
if (omapfb_debug) \
|
||||
printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__)
|
||||
#else
|
||||
#define DBG(format, ...)
|
||||
#endif
|
||||
|
||||
#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
|
||||
|
||||
/* max number of overlays to which a framebuffer data can be direct */
|
||||
#define OMAPFB_MAX_OVL_PER_FB 3
|
||||
|
||||
struct omapfb2_mem_region {
|
||||
u32 paddr;
|
||||
void __iomem *vaddr;
|
||||
struct vrfb vrfb;
|
||||
unsigned long size;
|
||||
u8 type; /* OMAPFB_PLANE_MEM_* */
|
||||
bool alloc; /* allocated by the driver */
|
||||
bool map; /* kernel mapped by the driver */
|
||||
};
|
||||
|
||||
/* appended to fb_info */
|
||||
struct omapfb_info {
|
||||
int id;
|
||||
struct omapfb2_mem_region region;
|
||||
atomic_t map_count;
|
||||
int num_overlays;
|
||||
struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB];
|
||||
struct omapfb2_device *fbdev;
|
||||
enum omap_dss_rotation_type rotation_type;
|
||||
u8 rotation[OMAPFB_MAX_OVL_PER_FB];
|
||||
bool mirror;
|
||||
};
|
||||
|
||||
struct omapfb2_device {
|
||||
struct device *dev;
|
||||
struct mutex mtx;
|
||||
|
||||
u32 pseudo_palette[17];
|
||||
|
||||
int state;
|
||||
|
||||
unsigned num_fbs;
|
||||
struct fb_info *fbs[10];
|
||||
|
||||
unsigned num_displays;
|
||||
struct omap_dss_device *displays[10];
|
||||
unsigned num_overlays;
|
||||
struct omap_overlay *overlays[10];
|
||||
unsigned num_managers;
|
||||
struct omap_overlay_manager *managers[10];
|
||||
};
|
||||
|
||||
struct omapfb_colormode {
|
||||
enum omap_color_mode dssmode;
|
||||
u32 bits_per_pixel;
|
||||
u32 nonstd;
|
||||
struct fb_bitfield red;
|
||||
struct fb_bitfield green;
|
||||
struct fb_bitfield blue;
|
||||
struct fb_bitfield transp;
|
||||
};
|
||||
|
||||
void set_fb_fix(struct fb_info *fbi);
|
||||
int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var);
|
||||
int omapfb_realloc_fbmem(struct fb_info *fbi, unsigned long size, int type);
|
||||
int omapfb_apply_changes(struct fb_info *fbi, int init);
|
||||
|
||||
int omapfb_create_sysfs(struct omapfb2_device *fbdev);
|
||||
void omapfb_remove_sysfs(struct omapfb2_device *fbdev);
|
||||
|
||||
int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg);
|
||||
|
||||
int dss_mode_to_fb_mode(enum omap_color_mode dssmode,
|
||||
struct fb_var_screeninfo *var);
|
||||
|
||||
/* find the display connected to this fb, if any */
|
||||
static inline struct omap_dss_device *fb2display(struct fb_info *fbi)
|
||||
{
|
||||
struct omapfb_info *ofbi = FB2OFB(fbi);
|
||||
int i;
|
||||
|
||||
/* XXX: returns the display connected to first attached overlay */
|
||||
for (i = 0; i < ofbi->num_overlays; i++) {
|
||||
if (ofbi->overlays[i]->manager)
|
||||
return ofbi->overlays[i]->manager->device;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline void omapfb_lock(struct omapfb2_device *fbdev)
|
||||
{
|
||||
mutex_lock(&fbdev->mtx);
|
||||
}
|
||||
|
||||
static inline void omapfb_unlock(struct omapfb2_device *fbdev)
|
||||
{
|
||||
mutex_unlock(&fbdev->mtx);
|
||||
}
|
||||
|
||||
static inline int omapfb_overlay_enable(struct omap_overlay *ovl,
|
||||
int enable)
|
||||
{
|
||||
struct omap_overlay_info info;
|
||||
|
||||
ovl->get_overlay_info(ovl, &info);
|
||||
info.enabled = enable;
|
||||
return ovl->set_overlay_info(ovl, &info);
|
||||
}
|
||||
|
||||
#endif
|
@ -24,6 +24,7 @@
|
||||
#ifndef __LINUX_OMAPFB_H__
|
||||
#define __LINUX_OMAPFB_H__
|
||||
|
||||
#include <linux/fb.h>
|
||||
#include <linux/ioctl.h>
|
||||
#include <linux/types.h>
|
||||
|
||||
@ -50,6 +51,12 @@
|
||||
#define OMAPFB_UPDATE_WINDOW OMAP_IOW(54, struct omapfb_update_window)
|
||||
#define OMAPFB_SETUP_MEM OMAP_IOW(55, struct omapfb_mem_info)
|
||||
#define OMAPFB_QUERY_MEM OMAP_IOW(56, struct omapfb_mem_info)
|
||||
#define OMAPFB_WAITFORVSYNC OMAP_IO(57)
|
||||
#define OMAPFB_MEMORY_READ OMAP_IOR(58, struct omapfb_memory_read)
|
||||
#define OMAPFB_GET_OVERLAY_COLORMODE OMAP_IOR(59, struct omapfb_ovl_colormode)
|
||||
#define OMAPFB_WAITFORGO OMAP_IO(60)
|
||||
#define OMAPFB_GET_VRAM_INFO OMAP_IOR(61, struct omapfb_vram_info)
|
||||
#define OMAPFB_SET_TEARSYNC OMAP_IOW(62, struct omapfb_tearsync_info)
|
||||
|
||||
#define OMAPFB_CAPS_GENERIC_MASK 0x00000fff
|
||||
#define OMAPFB_CAPS_LCDC_MASK 0x00fff000
|
||||
@ -87,6 +94,13 @@ enum omapfb_color_format {
|
||||
OMAPFB_COLOR_CLUT_1BPP,
|
||||
OMAPFB_COLOR_RGB444,
|
||||
OMAPFB_COLOR_YUY422,
|
||||
|
||||
OMAPFB_COLOR_ARGB16,
|
||||
OMAPFB_COLOR_RGB24U, /* RGB24, 32-bit container */
|
||||
OMAPFB_COLOR_RGB24P, /* RGB24, 24-bit container */
|
||||
OMAPFB_COLOR_ARGB32,
|
||||
OMAPFB_COLOR_RGBA32,
|
||||
OMAPFB_COLOR_RGBX32,
|
||||
};
|
||||
|
||||
struct omapfb_update_window {
|
||||
@ -158,6 +172,40 @@ enum omapfb_update_mode {
|
||||
OMAPFB_MANUAL_UPDATE
|
||||
};
|
||||
|
||||
struct omapfb_memory_read {
|
||||
__u16 x;
|
||||
__u16 y;
|
||||
__u16 w;
|
||||
__u16 h;
|
||||
size_t buffer_size;
|
||||
void __user *buffer;
|
||||
};
|
||||
|
||||
struct omapfb_ovl_colormode {
|
||||
__u8 overlay_idx;
|
||||
__u8 mode_idx;
|
||||
__u32 bits_per_pixel;
|
||||
__u32 nonstd;
|
||||
struct fb_bitfield red;
|
||||
struct fb_bitfield green;
|
||||
struct fb_bitfield blue;
|
||||
struct fb_bitfield transp;
|
||||
};
|
||||
|
||||
struct omapfb_vram_info {
|
||||
__u32 total;
|
||||
__u32 free;
|
||||
__u32 largest_free_block;
|
||||
__u32 reserved[5];
|
||||
};
|
||||
|
||||
struct omapfb_tearsync_info {
|
||||
__u8 enabled;
|
||||
__u8 reserved1[3];
|
||||
__u16 line;
|
||||
__u16 reserved2;
|
||||
};
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#include <plat/board.h>
|
||||
@ -173,6 +221,11 @@ struct omapfb_mem_region {
|
||||
void __iomem *vaddr;
|
||||
unsigned long size;
|
||||
u8 type; /* OMAPFB_PLANE_MEM_* */
|
||||
enum omapfb_color_format format;/* OMAPFB_COLOR_* */
|
||||
unsigned format_used:1; /* Must be set when format is set.
|
||||
* Needed b/c of the badly chosen 0
|
||||
* base for OMAPFB_COLOR_* values
|
||||
*/
|
||||
unsigned alloc:1; /* allocated by the driver */
|
||||
unsigned map:1; /* kernel mapped by the driver */
|
||||
};
|
||||
@ -189,6 +242,7 @@ struct omapfb_platform_data {
|
||||
};
|
||||
|
||||
/* in arch/arm/plat-omap/fb.c */
|
||||
extern void omapfb_set_platform_data(struct omapfb_platform_data *data);
|
||||
extern void omapfb_set_ctrl_platform_data(void *pdata);
|
||||
extern void omapfb_reserve_sdram(void);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user