2 * linux/drivers/video/omap2/dss/dss_features.h
4 * Copyright (C) 2010 Texas Instruments
5 * Author: Archit Taneja <archit@ti.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
20 #ifndef __OMAP2_DSS_FEATURES_H
21 #define __OMAP2_DSS_FEATURES_H
23 #define MAX_DSS_MANAGERS 3
24 #define MAX_DSS_OVERLAYS 3
26 /* DSS has feature id */
28 FEAT_GLOBAL_ALPHA = 1 << 0,
29 FEAT_GLOBAL_ALPHA_VID1 = 1 << 1,
30 FEAT_PRE_MULT_ALPHA = 1 << 2,
31 FEAT_LCDENABLEPOL = 1 << 3,
32 FEAT_LCDENABLESIGNAL = 1 << 4,
33 FEAT_PCKFREEENABLE = 1 << 5,
34 FEAT_FUNCGATED = 1 << 6,
35 FEAT_MGR_LCD2 = 1 << 7,
36 FEAT_LINEBUFFERSPLIT = 1 << 8,
37 FEAT_ROWREPEATENABLE = 1 << 9,
38 FEAT_RESIZECONF = 1 << 10,
41 /* DSS register field id */
42 enum dss_feat_reg_field {
45 FEAT_REG_FIFOHIGHTHRESHOLD,
46 FEAT_REG_FIFOLOWTHRESHOLD,
48 FEAT_REG_HORIZONTALACCU,
49 FEAT_REG_VERTICALACCU,
52 /* DSS Feature Functions */
53 int dss_feat_get_num_mgrs(void);
54 int dss_feat_get_num_ovls(void);
55 unsigned long dss_feat_get_max_dss_fck(void);
56 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
57 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
58 bool dss_feat_color_mode_supported(enum omap_plane plane,
59 enum omap_color_mode color_mode);
60 const char *dss_feat_get_clk_source_name(enum dss_clk_source id);
62 bool dss_has_feature(enum dss_feat_id id);
63 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
64 void dss_features_init(void);