xref: /linux/drivers/video/fbdev/omap2/omapfb/dss/dss_features.h (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
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	4
24 #define MAX_DSS_OVERLAYS	4
25 #define MAX_DSS_LCD_MANAGERS	3
26 #define MAX_NUM_DSI		2
27 
28 /* DSS has feature id */
29 enum dss_feat_id {
30 	FEAT_LCDENABLEPOL,
31 	FEAT_LCDENABLESIGNAL,
32 	FEAT_PCKFREEENABLE,
33 	FEAT_FUNCGATED,
34 	FEAT_MGR_LCD2,
35 	FEAT_MGR_LCD3,
36 	FEAT_LINEBUFFERSPLIT,
37 	FEAT_ROWREPEATENABLE,
38 	FEAT_RESIZECONF,
39 	/* Independent core clk divider */
40 	FEAT_CORE_CLK_DIV,
41 	FEAT_LCD_CLK_SRC,
42 	/* DSI-PLL power command 0x3 is not working */
43 	FEAT_DSI_PLL_PWR_BUG,
44 	FEAT_DSI_DCS_CMD_CONFIG_VC,
45 	FEAT_DSI_VC_OCP_WIDTH,
46 	FEAT_DSI_REVERSE_TXCLKESC,
47 	FEAT_DSI_GNQ,
48 	FEAT_DPI_USES_VDDS_DSI,
49 	FEAT_HDMI_CTS_SWMODE,
50 	FEAT_HDMI_AUDIO_USE_MCLK,
51 	FEAT_HANDLE_UV_SEPARATE,
52 	FEAT_ATTR2,
53 	FEAT_VENC_REQUIRES_TV_DAC_CLK,
54 	FEAT_CPR,
55 	FEAT_PRELOAD,
56 	FEAT_FIR_COEF_V,
57 	FEAT_ALPHA_FIXED_ZORDER,
58 	FEAT_ALPHA_FREE_ZORDER,
59 	FEAT_FIFO_MERGE,
60 	/* An unknown HW bug causing the normal FIFO thresholds not to work */
61 	FEAT_OMAP3_DSI_FIFO_BUG,
62 	FEAT_BURST_2D,
63 	FEAT_DSI_PHY_DCC,
64 	FEAT_MFLAG,
65 };
66 
67 /* DSS register field id */
68 enum dss_feat_reg_field {
69 	FEAT_REG_FIRHINC,
70 	FEAT_REG_FIRVINC,
71 	FEAT_REG_FIFOHIGHTHRESHOLD,
72 	FEAT_REG_FIFOLOWTHRESHOLD,
73 	FEAT_REG_FIFOSIZE,
74 	FEAT_REG_HORIZONTALACCU,
75 	FEAT_REG_VERTICALACCU,
76 	FEAT_REG_DISPC_CLK_SWITCH,
77 };
78 
79 enum dss_range_param {
80 	FEAT_PARAM_DSS_FCK,
81 	FEAT_PARAM_DSS_PCD,
82 	FEAT_PARAM_DSIPLL_LPDIV,
83 	FEAT_PARAM_DSI_FCK,
84 	FEAT_PARAM_DOWNSCALE,
85 	FEAT_PARAM_LINEWIDTH,
86 };
87 
88 /* DSS Feature Functions */
89 unsigned long dss_feat_get_param_min(enum dss_range_param param);
90 unsigned long dss_feat_get_param_max(enum dss_range_param param);
91 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
92 bool dss_feat_color_mode_supported(enum omap_plane plane,
93 		enum omap_color_mode color_mode);
94 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
95 
96 u32 dss_feat_get_buffer_size_unit(void);	/* in bytes */
97 u32 dss_feat_get_burst_size_unit(void);		/* in bytes */
98 
99 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
100 
101 bool dss_has_feature(enum dss_feat_id id);
102 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
103 void dss_features_init(enum omapdss_version version);
104 
105 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
106 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
107 
108 #endif
109