diff options
Diffstat (limited to 'drivers/video/omap2/dss/overlay.c')
| -rw-r--r-- | drivers/video/omap2/dss/overlay.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c deleted file mode 100644 index eccde322c28..00000000000 --- a/drivers/video/omap2/dss/overlay.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - * linux/drivers/video/omap2/dss/overlay.c - * - * Copyright (C) 2009 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/>. - */ - -#define DSS_SUBSYS_NAME "OVERLAY" - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/err.h> -#include <linux/sysfs.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/slab.h> - -#include <video/omapdss.h> - -#include "dss.h" -#include "dss_features.h" - -static int num_overlays; -static struct omap_overlay *overlays; - -int omap_dss_get_num_overlays(void) -{ - return num_overlays; -} -EXPORT_SYMBOL(omap_dss_get_num_overlays); - -struct omap_overlay *omap_dss_get_overlay(int num) -{ - if (num >= num_overlays) - return NULL; - - return &overlays[num]; -} -EXPORT_SYMBOL(omap_dss_get_overlay); - -void dss_init_overlays(struct platform_device *pdev) -{ - int i, r; - - num_overlays = dss_feat_get_num_ovls(); - - overlays = kzalloc(sizeof(struct omap_overlay) * num_overlays, - GFP_KERNEL); - - BUG_ON(overlays == NULL); - - for (i = 0; i < num_overlays; ++i) { - struct omap_overlay *ovl = &overlays[i]; - - switch (i) { - case 0: - ovl->name = "gfx"; - ovl->id = OMAP_DSS_GFX; - break; - case 1: - ovl->name = "vid1"; - ovl->id = OMAP_DSS_VIDEO1; - break; - case 2: - ovl->name = "vid2"; - ovl->id = OMAP_DSS_VIDEO2; - break; - case 3: - ovl->name = "vid3"; - ovl->id = OMAP_DSS_VIDEO3; - break; - } - - ovl->caps = dss_feat_get_overlay_caps(ovl->id); - ovl->supported_modes = - dss_feat_get_supported_color_modes(ovl->id); - - r = dss_overlay_kobj_init(ovl, pdev); - if (r) - DSSERR("failed to create sysfs file\n"); - } -} - -void dss_uninit_overlays(struct platform_device *pdev) -{ - int i; - - for (i = 0; i < num_overlays; ++i) { - struct omap_overlay *ovl = &overlays[i]; - dss_overlay_kobj_uninit(ovl); - } - - kfree(overlays); - overlays = NULL; - num_overlays = 0; -} - -int dss_ovl_simple_check(struct omap_overlay *ovl, - const struct omap_overlay_info *info) -{ - if (info->paddr == 0) { - DSSERR("check_overlay: paddr cannot be 0\n"); - return -EINVAL; - } - - if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) { - if (info->out_width != 0 && info->width != info->out_width) { - DSSERR("check_overlay: overlay %d doesn't support " - "scaling\n", ovl->id); - return -EINVAL; - } - - if (info->out_height != 0 && info->height != info->out_height) { - DSSERR("check_overlay: overlay %d doesn't support " - "scaling\n", ovl->id); - return -EINVAL; - } - } - - if ((ovl->supported_modes & info->color_mode) == 0) { - DSSERR("check_overlay: overlay %d doesn't support mode %d\n", - ovl->id, info->color_mode); - return -EINVAL; - } - - if (info->zorder >= omap_dss_get_num_overlays()) { - DSSERR("check_overlay: zorder %d too high\n", info->zorder); - return -EINVAL; - } - - if (dss_feat_rotation_type_supported(info->rotation_type) == 0) { - DSSERR("check_overlay: rotation type %d not supported\n", - info->rotation_type); - return -EINVAL; - } - - return 0; -} - -int dss_ovl_check(struct omap_overlay *ovl, struct omap_overlay_info *info, - const struct omap_video_timings *mgr_timings) -{ - u16 outw, outh; - u16 dw, dh; - - dw = mgr_timings->x_res; - dh = mgr_timings->y_res; - - if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) { - outw = info->width; - outh = info->height; - } else { - if (info->out_width == 0) - outw = info->width; - else - outw = info->out_width; - - if (info->out_height == 0) - outh = info->height; - else - outh = info->out_height; - } - - if (dw < info->pos_x + outw) { - DSSERR("overlay %d horizontally not inside the display area " - "(%d + %d >= %d)\n", - ovl->id, info->pos_x, outw, dw); - return -EINVAL; - } - - if (dh < info->pos_y + outh) { - DSSERR("overlay %d vertically not inside the display area " - "(%d + %d >= %d)\n", - ovl->id, info->pos_y, outh, dh); - return -EINVAL; - } - - return 0; -} - -/* - * Checks if replication logic should be used. Only use when overlay is in - * RGB12U or RGB16 mode, and video port width interface is 18bpp or 24bpp - */ -bool dss_ovl_use_replication(struct dss_lcd_mgr_config config, - enum omap_color_mode mode) -{ - if (mode != OMAP_DSS_COLOR_RGB12U && mode != OMAP_DSS_COLOR_RGB16) - return false; - - return config.video_port_width > 16; -} |