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 4
24 #define MAX_DSS_OVERLAYS 4
25 #define MAX_DSS_LCD_MANAGERS 3
28 /* DSS has feature id */
39 /* Independent core clk divider */
42 /* DSI-PLL power command 0x3 is not working */
44 FEAT_DSI_DCS_CMD_CONFIG_VC
,
45 FEAT_DSI_VC_OCP_WIDTH
,
46 FEAT_DSI_REVERSE_TXCLKESC
,
48 FEAT_DPI_USES_VDDS_DSI
,
50 FEAT_HDMI_AUDIO_USE_MCLK
,
51 FEAT_HANDLE_UV_SEPARATE
,
53 FEAT_VENC_REQUIRES_TV_DAC_CLK
,
57 FEAT_ALPHA_FIXED_ZORDER
,
58 FEAT_ALPHA_FREE_ZORDER
,
60 /* An unknown HW bug causing the normal FIFO thresholds not to work */
61 FEAT_OMAP3_DSI_FIFO_BUG
,
67 /* DSS register field id */
68 enum dss_feat_reg_field
{
71 FEAT_REG_FIFOHIGHTHRESHOLD
,
72 FEAT_REG_FIFOLOWTHRESHOLD
,
74 FEAT_REG_HORIZONTALACCU
,
75 FEAT_REG_VERTICALACCU
,
76 FEAT_REG_DISPC_CLK_SWITCH
,
79 enum dss_range_param
{
82 FEAT_PARAM_DSIPLL_LPDIV
,
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
);
96 u32
dss_feat_get_buffer_size_unit(void); /* in bytes */
97 u32
dss_feat_get_burst_size_unit(void); /* in bytes */
99 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type
);
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
);
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
);