LXR linux/drivers/video/omap2/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#if defined(CONFIG_OMAP4_DSS_HDMI)
  24#include "ti_hdmi.h"
  25#endif
  26
  27#define MAX_DSS_MANAGERS        3
  28#define MAX_DSS_OVERLAYS        4
  29#define MAX_DSS_LCD_MANAGERS    2
  30#define MAX_NUM_DSI             2
  31
  32/* DSS has feature id */
  33enum dss_feat_id {
  34        FEAT_LCDENABLEPOL               = 1 << 3,
  35        FEAT_LCDENABLESIGNAL            = 1 << 4,
  36        FEAT_PCKFREEENABLE              = 1 << 5,
  37        FEAT_FUNCGATED                  = 1 << 6,
  38        FEAT_MGR_LCD2                   = 1 << 7,
  39        FEAT_LINEBUFFERSPLIT            = 1 << 8,
  40        FEAT_ROWREPEATENABLE            = 1 << 9,
  41        FEAT_RESIZECONF                 = 1 << 10,
  42        /* Independent core clk divider */
  43        FEAT_CORE_CLK_DIV               = 1 << 11,
  44        FEAT_LCD_CLK_SRC                = 1 << 12,
  45        /* DSI-PLL power command 0x3 is not working */
  46        FEAT_DSI_PLL_PWR_BUG            = 1 << 13,
  47        FEAT_DSI_PLL_FREQSEL            = 1 << 14,
  48        FEAT_DSI_DCS_CMD_CONFIG_VC      = 1 << 15,
  49        FEAT_DSI_VC_OCP_WIDTH           = 1 << 16,
  50        FEAT_DSI_REVERSE_TXCLKESC       = 1 << 17,
  51        FEAT_DSI_GNQ                    = 1 << 18,
  52        FEAT_HDMI_CTS_SWMODE            = 1 << 19,
  53        FEAT_HANDLE_UV_SEPARATE         = 1 << 20,
  54        FEAT_ATTR2                      = 1 << 21,
  55        FEAT_VENC_REQUIRES_TV_DAC_CLK   = 1 << 22,
  56        FEAT_CPR                        = 1 << 23,
  57        FEAT_PRELOAD                    = 1 << 24,
  58        FEAT_FIR_COEF_V                 = 1 << 25,
  59        FEAT_ALPHA_FIXED_ZORDER         = 1 << 26,
  60        FEAT_ALPHA_FREE_ZORDER          = 1 << 27,
  61};
  62
  63/* DSS register field id */
  64enum dss_feat_reg_field {
  65        FEAT_REG_FIRHINC,
  66        FEAT_REG_FIRVINC,
  67        FEAT_REG_FIFOHIGHTHRESHOLD,
  68        FEAT_REG_FIFOLOWTHRESHOLD,
  69        FEAT_REG_FIFOSIZE,
  70        FEAT_REG_HORIZONTALACCU,
  71        FEAT_REG_VERTICALACCU,
  72        FEAT_REG_DISPC_CLK_SWITCH,
  73        FEAT_REG_DSIPLL_REGN,
  74        FEAT_REG_DSIPLL_REGM,
  75        FEAT_REG_DSIPLL_REGM_DISPC,
  76        FEAT_REG_DSIPLL_REGM_DSI,
  77};
  78
  79enum dss_range_param {
  80        FEAT_PARAM_DSS_FCK,
  81        FEAT_PARAM_DSS_PCD,
  82        FEAT_PARAM_DSIPLL_REGN,
  83        FEAT_PARAM_DSIPLL_REGM,
  84        FEAT_PARAM_DSIPLL_REGM_DISPC,
  85        FEAT_PARAM_DSIPLL_REGM_DSI,
  86        FEAT_PARAM_DSIPLL_FINT,
  87        FEAT_PARAM_DSIPLL_LPDIV,
  88        FEAT_PARAM_DOWNSCALE,
  89        FEAT_PARAM_LINEWIDTH,
  90};
  91
  92/* DSS Feature Functions */
  93int dss_feat_get_num_mgrs(void);
  94int dss_feat_get_num_ovls(void);
  95unsigned long dss_feat_get_param_min(enum dss_range_param param);
  96unsigned long dss_feat_get_param_max(enum dss_range_param param);
  97enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
  98enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
  99enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
 100bool dss_feat_color_mode_supported(enum omap_plane plane,
 101                enum omap_color_mode color_mode);
 102const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
 103
 104u32 dss_feat_get_buffer_size_unit(void);        /* in bytes */
 105u32 dss_feat_get_burst_size_unit(void);         /* in bytes */
 106
 107bool dss_has_feature(enum dss_feat_id id);
 108void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
 109void dss_features_init(void);
 110#if defined(CONFIG_OMAP4_DSS_HDMI)
 111void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data);
 112#endif
 113#endif
 114