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 */
45 FEAT_DSI_DCS_CMD_CONFIG_VC,
46 FEAT_DSI_VC_OCP_WIDTH,
47 FEAT_DSI_REVERSE_TXCLKESC,
49 FEAT_DPI_USES_VDDS_DSI,
51 FEAT_HDMI_AUDIO_USE_MCLK,
52 FEAT_HANDLE_UV_SEPARATE,
54 FEAT_VENC_REQUIRES_TV_DAC_CLK,
58 FEAT_ALPHA_FIXED_ZORDER,
59 FEAT_ALPHA_FREE_ZORDER,
61 /* An unknown HW bug causing the normal FIFO thresholds not to work */
62 FEAT_OMAP3_DSI_FIFO_BUG,
64 FEAT_DSI_PLL_SELFREQDCO,
70 /* DSS register field id */
71 enum dss_feat_reg_field {
74 FEAT_REG_FIFOHIGHTHRESHOLD,
75 FEAT_REG_FIFOLOWTHRESHOLD,
77 FEAT_REG_HORIZONTALACCU,
78 FEAT_REG_VERTICALACCU,
79 FEAT_REG_DISPC_CLK_SWITCH,
82 FEAT_REG_DSIPLL_REGM_DISPC,
83 FEAT_REG_DSIPLL_REGM_DSI,
86 enum dss_range_param {
89 FEAT_PARAM_DSIPLL_REGN,
90 FEAT_PARAM_DSIPLL_REGM,
91 FEAT_PARAM_DSIPLL_REGM_DISPC,
92 FEAT_PARAM_DSIPLL_REGM_DSI,
93 FEAT_PARAM_DSIPLL_FINT,
94 FEAT_PARAM_DSIPLL_LPDIV,
100 /* DSS Feature Functions */
101 int dss_feat_get_num_wbs(void);
102 unsigned long dss_feat_get_param_min(enum dss_range_param param);
103 unsigned long dss_feat_get_param_max(enum dss_range_param param);
104 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
105 bool dss_feat_color_mode_supported(enum omap_plane plane,
106 enum omap_color_mode color_mode);
107 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
109 u32 dss_feat_get_buffer_size_unit(void); /* in bytes */
110 u32 dss_feat_get_burst_size_unit(void); /* in bytes */
112 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
114 bool dss_has_feature(enum dss_feat_id id);
115 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
116 void dss_features_init(enum omapdss_version version);