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 86