926 lines
19 KiB
C
926 lines
19 KiB
C
/*
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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 <linux/export.h>
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#include <linux/sizes.h>
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#include <video/omapfb_dss.h>
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#include <video/omapvrfb.h>
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#include "omapfb.h"
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static u8 get_mem_idx(struct omapfb_info *ofbi)
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{
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if (ofbi->id == ofbi->region->id)
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return 0;
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return OMAPFB_MEM_IDX_ENABLED | ofbi->region->id;
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}
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static struct omapfb2_mem_region *get_mem_region(struct omapfb_info *ofbi,
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u8 mem_idx)
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{
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struct omapfb2_device *fbdev = ofbi->fbdev;
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if (mem_idx & OMAPFB_MEM_IDX_ENABLED)
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mem_idx &= OMAPFB_MEM_IDX_MASK;
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else
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mem_idx = ofbi->id;
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if (mem_idx >= fbdev->num_fbs)
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return NULL;
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return &fbdev->regions[mem_idx];
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}
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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 old_info;
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struct omapfb2_mem_region *old_rg, *new_rg;
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int r = 0;
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DBG("omapfb_setup_plane\n");
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if (ofbi->num_overlays == 0) {
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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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old_rg = ofbi->region;
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new_rg = get_mem_region(ofbi, pi->mem_idx);
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if (!new_rg) {
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r = -EINVAL;
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goto out;
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}
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/* Take the locks in a specific order to keep lockdep happy */
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if (old_rg->id < new_rg->id) {
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omapfb_get_mem_region(old_rg);
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omapfb_get_mem_region(new_rg);
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} else if (new_rg->id < old_rg->id) {
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omapfb_get_mem_region(new_rg);
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omapfb_get_mem_region(old_rg);
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} else
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omapfb_get_mem_region(old_rg);
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if (pi->enabled && !new_rg->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 put_mem;
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}
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ovl->get_overlay_info(ovl, &old_info);
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if (old_rg != new_rg) {
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ofbi->region = new_rg;
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set_fb_fix(fbi);
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}
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if (!pi->enabled) {
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r = ovl->disable(ovl);
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if (r)
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goto undo;
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}
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if (pi->enabled) {
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r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y,
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pi->out_width, pi->out_height);
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if (r)
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goto undo;
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} else {
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struct omap_overlay_info info;
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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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r = ovl->set_overlay_info(ovl, &info);
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if (r)
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goto undo;
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}
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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 undo;
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}
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if (pi->enabled) {
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r = ovl->enable(ovl);
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if (r)
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goto undo;
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}
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/* Release the locks in a specific order to keep lockdep happy */
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if (old_rg->id > new_rg->id) {
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omapfb_put_mem_region(old_rg);
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omapfb_put_mem_region(new_rg);
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} else if (new_rg->id > old_rg->id) {
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omapfb_put_mem_region(new_rg);
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omapfb_put_mem_region(old_rg);
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} else
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omapfb_put_mem_region(old_rg);
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return 0;
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undo:
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if (old_rg != new_rg) {
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ofbi->region = old_rg;
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set_fb_fix(fbi);
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}
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ovl->set_overlay_info(ovl, &old_info);
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put_mem:
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/* Release the locks in a specific order to keep lockdep happy */
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if (old_rg->id > new_rg->id) {
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omapfb_put_mem_region(old_rg);
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omapfb_put_mem_region(new_rg);
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} else if (new_rg->id > old_rg->id) {
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omapfb_put_mem_region(new_rg);
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omapfb_put_mem_region(old_rg);
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} else
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omapfb_put_mem_region(old_rg);
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out:
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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 == 0) {
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memset(pi, 0, sizeof(*pi));
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} else {
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struct omap_overlay *ovl;
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struct omap_overlay_info ovli;
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ovl = ofbi->overlays[0];
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ovl->get_overlay_info(ovl, &ovli);
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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 = ovl->is_enabled(ovl);
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pi->channel_out = 0; /* xxx */
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pi->mirror = 0;
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pi->mem_idx = get_mem_idx(ofbi);
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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 omap_dss_device *display = fb2display(fbi);
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struct omapfb2_mem_region *rg;
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int r = 0, i;
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size_t size;
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if (mi->type != OMAPFB_MEMTYPE_SDRAM)
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return -EINVAL;
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size = PAGE_ALIGN(mi->size);
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if (display && display->driver->sync)
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display->driver->sync(display);
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rg = ofbi->region;
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down_write_nested(&rg->lock, rg->id);
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atomic_inc(&rg->lock_count);
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if (rg->size == size && rg->type == mi->type)
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goto out;
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if (atomic_read(&rg->map_count)) {
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r = -EBUSY;
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goto out;
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}
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for (i = 0; i < fbdev->num_fbs; i++) {
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struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]);
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int j;
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if (ofbi2->region != rg)
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continue;
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for (j = 0; j < ofbi2->num_overlays; j++) {
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struct omap_overlay *ovl;
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ovl = ofbi2->overlays[j];
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if (ovl->is_enabled(ovl)) {
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r = -EBUSY;
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goto out;
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}
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}
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}
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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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goto out;
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}
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out:
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atomic_dec(&rg->lock_count);
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up_write(&rg->lock);
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return r;
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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 = omapfb_get_mem_region(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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omapfb_put_mem_region(rg);
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return 0;
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}
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static 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 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->driver->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->driver->update(display, x, y, w, h);
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}
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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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struct omapfb_info *ofbi = FB2OFB(fbi);
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struct omapfb2_device *fbdev = ofbi->fbdev;
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struct omapfb_display_data *d;
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int r;
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if (!display)
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return -EINVAL;
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if (mode != OMAPFB_AUTO_UPDATE && mode != OMAPFB_MANUAL_UPDATE)
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return -EINVAL;
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omapfb_lock(fbdev);
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d = get_display_data(fbdev, display);
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if (d->update_mode == mode) {
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omapfb_unlock(fbdev);
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return 0;
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}
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r = 0;
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|
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if (display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) {
|
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if (mode == OMAPFB_AUTO_UPDATE)
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omapfb_start_auto_update(fbdev, display);
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else /* MANUAL_UPDATE */
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omapfb_stop_auto_update(fbdev, display);
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|
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d->update_mode = mode;
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} else { /* AUTO_UPDATE */
|
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if (mode == OMAPFB_MANUAL_UPDATE)
|
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r = -EINVAL;
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}
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omapfb_unlock(fbdev);
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return r;
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}
|
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|
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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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struct omapfb_info *ofbi = FB2OFB(fbi);
|
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struct omapfb2_device *fbdev = ofbi->fbdev;
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struct omapfb_display_data *d;
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|
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if (!display)
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return -EINVAL;
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|
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omapfb_lock(fbdev);
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d = get_display_data(fbdev, display);
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*mode = d->update_mode;
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|
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omapfb_unlock(fbdev);
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return 0;
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}
|
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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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|
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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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|
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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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|
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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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|
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r = mgr->apply(mgr);
|
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|
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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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|
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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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|
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omapfb_color_keys[mgr->id] = *ck;
|
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|
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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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|
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return r;
|
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}
|
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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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}
|
|
|
|
if (!mgr) {
|
|
r = -EINVAL;
|
|
goto err;
|
|
}
|
|
|
|
r = _omapfb_set_color_key(mgr, ck);
|
|
err:
|
|
omapfb_unlock(fbdev);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int omapfb_get_color_key(struct fb_info *fbi,
|
|
struct omapfb_color_key *ck)
|
|
{
|
|
struct omapfb_info *ofbi = FB2OFB(fbi);
|
|
struct omapfb2_device *fbdev = ofbi->fbdev;
|
|
struct omap_overlay_manager *mgr = NULL;
|
|
int r = 0;
|
|
int i;
|
|
|
|
omapfb_lock(fbdev);
|
|
|
|
for (i = 0; i < ofbi->num_overlays; i++) {
|
|
if (ofbi->overlays[i]->manager) {
|
|
mgr = ofbi->overlays[i]->manager;
|
|
break;
|
|
}
|
|
}
|
|
|
|
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->driver->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->driver->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);
|
|
struct omap_overlay_manager *mgr;
|
|
|
|
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;
|
|
struct omapfb_display_info display_info;
|
|
u32 crt;
|
|
} p;
|
|
|
|
int r = 0;
|
|
|
|
switch (cmd) {
|
|
case OMAPFB_SYNC_GFX:
|
|
DBG("ioctl SYNC_GFX\n");
|
|
if (!display || !display->driver->sync) {
|
|
/* DSS1 never returns an error here, so we neither */
|
|
/*r = -EINVAL;*/
|
|
break;
|
|
}
|
|
|
|
r = display->driver->sync(display);
|
|
break;
|
|
|
|
case OMAPFB_UPDATE_WINDOW_OLD:
|
|
DBG("ioctl UPDATE_WINDOW_OLD\n");
|
|
if (!display || !display->driver->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(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->driver->update) {
|
|
r = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (copy_from_user(&p.uwnd, (void __user *)arg,
|
|
sizeof(p.uwnd))) {
|
|
r = -EFAULT;
|
|
break;
|
|
}
|
|
|
|
r = omapfb_update_window(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 FBIO_WAITFORVSYNC:
|
|
if (get_user(p.crt, (__u32 __user *)arg)) {
|
|
r = -EFAULT;
|
|
break;
|
|
}
|
|
if (p.crt != 0) {
|
|
r = -ENODEV;
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
|
|
case OMAPFB_WAITFORVSYNC:
|
|
DBG("ioctl WAITFORVSYNC\n");
|
|
|
|
if (!display) {
|
|
r = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
mgr = omapdss_find_mgr_from_display(display);
|
|
if (!mgr) {
|
|
r = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
r = mgr->wait_for_vsync(mgr);
|
|
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->driver->run_test) {
|
|
r = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
r = display->driver->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->driver->run_test) {
|
|
r = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
r = display->driver->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: {
|
|
DBG("ioctl GET_VRAM_INFO\n");
|
|
|
|
/*
|
|
* We don't have the ability to get this vram info anymore.
|
|
* Fill in something that should keep the applications working.
|
|
*/
|
|
p.vram_info.total = SZ_1M * 64;
|
|
p.vram_info.free = SZ_1M * 64;
|
|
p.vram_info.largest_free_block = SZ_1M * 64;
|
|
|
|
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 || !display->driver->enable_te) {
|
|
r = -ENODEV;
|
|
break;
|
|
}
|
|
|
|
r = display->driver->enable_te(display,
|
|
!!p.tearsync_info.enabled);
|
|
|
|
break;
|
|
}
|
|
|
|
case OMAPFB_GET_DISPLAY_INFO: {
|
|
u16 xres, yres;
|
|
|
|
DBG("ioctl GET_DISPLAY_INFO\n");
|
|
|
|
if (display == NULL) {
|
|
r = -ENODEV;
|
|
break;
|
|
}
|
|
|
|
display->driver->get_resolution(display, &xres, &yres);
|
|
|
|
p.display_info.xres = xres;
|
|
p.display_info.yres = yres;
|
|
|
|
if (display->driver->get_dimensions) {
|
|
u32 w, h;
|
|
display->driver->get_dimensions(display, &w, &h);
|
|
p.display_info.width = w;
|
|
p.display_info.height = h;
|
|
} else {
|
|
p.display_info.width = 0;
|
|
p.display_info.height = 0;
|
|
}
|
|
|
|
if (copy_to_user((void __user *)arg, &p.display_info,
|
|
sizeof(p.display_info)))
|
|
r = -EFAULT;
|
|
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;
|
|
}
|
|
|
|
|