Merge branch 'rmobile-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
[pandora-kernel.git] / drivers / video / omap2 / dss / dss_features.h
1 /*
2  * linux/drivers/video/omap2/dss/dss_features.h
3  *
4  * Copyright (C) 2010 Texas Instruments
5  * Author: Archit Taneja <archit@ti.com>
6  *
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.
10  *
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
14  * more details.
15  *
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/>.
18  */
19
20 #ifndef __OMAP2_DSS_FEATURES_H
21 #define __OMAP2_DSS_FEATURES_H
22
23 #define MAX_DSS_MANAGERS        3
24 #define MAX_DSS_OVERLAYS        3
25 #define MAX_DSS_LCD_MANAGERS    2
26
27 /* DSS has feature id */
28 enum dss_feat_id {
29         FEAT_GLOBAL_ALPHA       = 1 << 0,
30         FEAT_GLOBAL_ALPHA_VID1  = 1 << 1,
31         FEAT_PRE_MULT_ALPHA     = 1 << 2,
32         FEAT_LCDENABLEPOL       = 1 << 3,
33         FEAT_LCDENABLESIGNAL    = 1 << 4,
34         FEAT_PCKFREEENABLE      = 1 << 5,
35         FEAT_FUNCGATED          = 1 << 6,
36         FEAT_MGR_LCD2           = 1 << 7,
37         FEAT_LINEBUFFERSPLIT    = 1 << 8,
38         FEAT_ROWREPEATENABLE    = 1 << 9,
39         FEAT_RESIZECONF         = 1 << 10,
40         /* Independent core clk divider */
41         FEAT_CORE_CLK_DIV       = 1 << 11,
42         FEAT_LCD_CLK_SRC        = 1 << 12,
43 };
44
45 /* DSS register field id */
46 enum dss_feat_reg_field {
47         FEAT_REG_FIRHINC,
48         FEAT_REG_FIRVINC,
49         FEAT_REG_FIFOHIGHTHRESHOLD,
50         FEAT_REG_FIFOLOWTHRESHOLD,
51         FEAT_REG_FIFOSIZE,
52         FEAT_REG_HORIZONTALACCU,
53         FEAT_REG_VERTICALACCU,
54         FEAT_REG_DISPC_CLK_SWITCH,
55         FEAT_REG_DSIPLL_REGN,
56         FEAT_REG_DSIPLL_REGM,
57         FEAT_REG_DSIPLL_REGM_DISPC,
58         FEAT_REG_DSIPLL_REGM_DSI,
59 };
60
61 enum dss_range_param {
62         FEAT_PARAM_DSS_FCK,
63         FEAT_PARAM_DSIPLL_REGN,
64         FEAT_PARAM_DSIPLL_REGM,
65         FEAT_PARAM_DSIPLL_REGM_DISPC,
66         FEAT_PARAM_DSIPLL_REGM_DSI,
67         FEAT_PARAM_DSIPLL_FINT,
68         FEAT_PARAM_DSIPLL_LPDIV,
69 };
70
71 /* DSS Feature Functions */
72 int dss_feat_get_num_mgrs(void);
73 int dss_feat_get_num_ovls(void);
74 unsigned long dss_feat_get_param_min(enum dss_range_param param);
75 unsigned long dss_feat_get_param_max(enum dss_range_param param);
76 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
77 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
78 bool dss_feat_color_mode_supported(enum omap_plane plane,
79                 enum omap_color_mode color_mode);
80 const char *dss_feat_get_clk_source_name(enum dss_clk_source id);
81
82 bool dss_has_feature(enum dss_feat_id id);
83 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
84 void dss_features_init(void);
85 #endif