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        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_PLL_FREQSEL,
  45         FEAT_DSI_DCS_CMD_CONFIG_VC,
  46         FEAT_DSI_VC_OCP_WIDTH,
  47         FEAT_DSI_REVERSE_TXCLKESC,
  48         FEAT_DSI_GNQ,
  49         FEAT_DPI_USES_VDDS_DSI,
  50         FEAT_HDMI_CTS_SWMODE,
  51         FEAT_HDMI_AUDIO_USE_MCLK,
  52         FEAT_HANDLE_UV_SEPARATE,
  53         FEAT_ATTR2,
  54         FEAT_VENC_REQUIRES_TV_DAC_CLK,
  55         FEAT_CPR,
  56         FEAT_PRELOAD,
  57         FEAT_FIR_COEF_V,
  58         FEAT_ALPHA_FIXED_ZORDER,
  59         FEAT_ALPHA_FREE_ZORDER,
  60         FEAT_FIFO_MERGE,
  61         /* An unknown HW bug causing the normal FIFO thresholds not to work */
  62         FEAT_OMAP3_DSI_FIFO_BUG,
  63         FEAT_BURST_2D,
  64         FEAT_DSI_PLL_SELFREQDCO,
  65         FEAT_DSI_PLL_REFSEL,
  66         FEAT_DSI_PHY_DCC,
  67         FEAT_MFLAG,
  68 };
  69
  70 /* DSS register field id */
  71 enum dss_feat_reg_field {
  72         FEAT_REG_FIRHINC,
  73         FEAT_REG_FIRVINC,
  74         FEAT_REG_FIFOHIGHTHRESHOLD,
  75         FEAT_REG_FIFOLOWTHRESHOLD,
  76         FEAT_REG_FIFOSIZE,
  77         FEAT_REG_HORIZONTALACCU,
  78         FEAT_REG_VERTICALACCU,
  79         FEAT_REG_DISPC_CLK_SWITCH,
  80         FEAT_REG_DSIPLL_REGN,
  81         FEAT_REG_DSIPLL_REGM,
  82         FEAT_REG_DSIPLL_REGM_DISPC,
  83         FEAT_REG_DSIPLL_REGM_DSI,
  84 };
  85
  86 enum dss_range_param {
  87         FEAT_PARAM_DSS_FCK,
  88         FEAT_PARAM_DSS_PCD,
  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,
  95         FEAT_PARAM_DSI_FCK,
  96         FEAT_PARAM_DOWNSCALE,
  97         FEAT_PARAM_LINEWIDTH,
  98 };
  99
 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);
 108
 109 u32 dss_feat_get_buffer_size_unit(void);        /* in bytes */
 110 u32 dss_feat_get_burst_size_unit(void);         /* in bytes */
 111
 112 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
 113
 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);
 117 #endif