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 #define MAX_NUM_DSI             2
  27
  28 /* DSS has feature id */
  29 enum dss_feat_id {
  30         FEAT_GLOBAL_ALPHA               = 1 << 0,
  31         FEAT_GLOBAL_ALPHA_VID1          = 1 << 1,
  32         FEAT_PRE_MULT_ALPHA             = 1 << 2,
  33         FEAT_LCDENABLEPOL               = 1 << 3,
  34         FEAT_LCDENABLESIGNAL            = 1 << 4,
  35         FEAT_PCKFREEENABLE              = 1 << 5,
  36         FEAT_FUNCGATED                  = 1 << 6,
  37         FEAT_MGR_LCD2                   = 1 << 7,
  38         FEAT_LINEBUFFERSPLIT            = 1 << 8,
  39         FEAT_ROWREPEATENABLE            = 1 << 9,
  40         FEAT_RESIZECONF                 = 1 << 10,
  41         /* Independent core clk divider */
  42         FEAT_CORE_CLK_DIV               = 1 << 11,
  43         FEAT_LCD_CLK_SRC                = 1 << 12,
  44         /* DSI-PLL power command 0x3 is not working */
  45         FEAT_DSI_PLL_PWR_BUG            = 1 << 13,
  46         FEAT_DSI_PLL_FREQSEL            = 1 << 14,
  47         FEAT_DSI_DCS_CMD_CONFIG_VC      = 1 << 15,
  48         FEAT_DSI_VC_OCP_WIDTH           = 1 << 16,
  49         FEAT_DSI_REVERSE_TXCLKESC       = 1 << 17,
  50         FEAT_DSI_GNQ                    = 1 << 18,
  51         FEAT_HDMI_CTS_SWMODE            = 1 << 19,
  52         FEAT_HANDLE_UV_SEPARATE         = 1 << 20,
  53         FEAT_ATTR2                      = 1 << 21,
  54 };
  55
  56 /* DSS register field id */
  57 enum dss_feat_reg_field {
  58         FEAT_REG_FIRHINC,
  59         FEAT_REG_FIRVINC,
  60         FEAT_REG_FIFOHIGHTHRESHOLD,
  61         FEAT_REG_FIFOLOWTHRESHOLD,
  62         FEAT_REG_FIFOSIZE,
  63         FEAT_REG_HORIZONTALACCU,
  64         FEAT_REG_VERTICALACCU,
  65         FEAT_REG_DISPC_CLK_SWITCH,
  66         FEAT_REG_DSIPLL_REGN,
  67         FEAT_REG_DSIPLL_REGM,
  68         FEAT_REG_DSIPLL_REGM_DISPC,
  69         FEAT_REG_DSIPLL_REGM_DSI,
  70 };
  71
  72 enum dss_range_param {
  73         FEAT_PARAM_DSS_FCK,
  74         FEAT_PARAM_DSIPLL_REGN,
  75         FEAT_PARAM_DSIPLL_REGM,
  76         FEAT_PARAM_DSIPLL_REGM_DISPC,
  77         FEAT_PARAM_DSIPLL_REGM_DSI,
  78         FEAT_PARAM_DSIPLL_FINT,
  79         FEAT_PARAM_DSIPLL_LPDIV,
  80 };
  81
  82 /* DSS Feature Functions */
  83 int dss_feat_get_num_mgrs(void);
  84 int dss_feat_get_num_ovls(void);
  85 unsigned long dss_feat_get_param_min(enum dss_range_param param);
  86 unsigned long dss_feat_get_param_max(enum dss_range_param param);
  87 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
  88 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
  89 bool dss_feat_color_mode_supported(enum omap_plane plane,
  90                 enum omap_color_mode color_mode);
  91 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
  92
  93 bool dss_has_feature(enum dss_feat_id id);
  94 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
  95 void dss_features_init(void);
  96 #endif