LXR linux/drivers/gpu/drm/omapdrm/dss/dss

   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 */
  29enum 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_DCS_CMD_CONFIG_VC,
  45        FEAT_DSI_VC_OCP_WIDTH,
  46        FEAT_DSI_REVERSE_TXCLKESC,
  47        FEAT_DSI_GNQ,
  48        FEAT_DPI_USES_VDDS_DSI,
  49        FEAT_HDMI_CTS_SWMODE,
  50        FEAT_HDMI_AUDIO_USE_MCLK,
  51        FEAT_HANDLE_UV_SEPARATE,
  52        FEAT_ATTR2,
  53        FEAT_VENC_REQUIRES_TV_DAC_CLK,
  54        FEAT_CPR,
  55        FEAT_PRELOAD,
  56        FEAT_FIR_COEF_V,
  57        FEAT_ALPHA_FIXED_ZORDER,
  58        FEAT_ALPHA_FREE_ZORDER,
  59        FEAT_FIFO_MERGE,
  60        /* An unknown HW bug causing the normal FIFO thresholds not to work */
  61        FEAT_OMAP3_DSI_FIFO_BUG,
  62        FEAT_BURST_2D,
  63        FEAT_DSI_PHY_DCC,
  64        FEAT_MFLAG,
  65};
  66
  67/* DSS register field id */
  68enum dss_feat_reg_field {
  69        FEAT_REG_FIRHINC,
  70        FEAT_REG_FIRVINC,
  71        FEAT_REG_FIFOHIGHTHRESHOLD,
  72        FEAT_REG_FIFOLOWTHRESHOLD,
  73        FEAT_REG_FIFOSIZE,
  74        FEAT_REG_HORIZONTALACCU,
  75        FEAT_REG_VERTICALACCU,
  76        FEAT_REG_DISPC_CLK_SWITCH,
  77};
  78
  79enum dss_range_param {
  80        FEAT_PARAM_DSS_FCK,
  81        FEAT_PARAM_DSS_PCD,
  82        FEAT_PARAM_DSIPLL_LPDIV,
  83        FEAT_PARAM_DSI_FCK,
  84        FEAT_PARAM_DOWNSCALE,
  85        FEAT_PARAM_LINEWIDTH,
  86};
  87
  88/* DSS Feature Functions */
  89unsigned long dss_feat_get_param_min(enum dss_range_param param);
  90unsigned long dss_feat_get_param_max(enum dss_range_param param);
  91enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
  92bool dss_feat_color_mode_supported(enum omap_plane plane,
  93                enum omap_color_mode color_mode);
  94const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
  95
  96u32 dss_feat_get_buffer_size_unit(void);        /* in bytes */
  97u32 dss_feat_get_burst_size_unit(void);         /* in bytes */
  98
  99bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
 100
 101bool dss_has_feature(enum dss_feat_id id);
 102void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
 103void dss_features_init(enum omapdss_version version);
 104
 105enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
 106enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
 107
 108#endif
 109