ab5ca071e2
Add new registers specific to UV color component that are introduced in OMAP4. Add simple helper functions to configure the newly added registers. These new registers are mainly: - UV base address registers used specifically for NV12 color-format - FIR registers used for UV-color-component scaling on OMAP4 - Accumulator registers used for UV-color-component scaling Add these new registers to save/restore and DUMPREG functions. Also add two new features for OMAP4: - FEAT_HANDLE_UV_SEPARATE - this is used on OMAP4 as UV color-component requires separate handling. - FEAT_ATTR2 - this is used on OMAP4 to configure new ATTRIBUTES2 register. Signed-off-by: Amber Jain <amber@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
434 lines
14 KiB
C
434 lines
14 KiB
C
/*
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* linux/drivers/video/omap2/dss/dss_features.c
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*
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* Copyright (C) 2010 Texas Instruments
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* Author: Archit Taneja <archit@ti.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/err.h>
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#include <linux/slab.h>
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#include <video/omapdss.h>
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#include <plat/cpu.h>
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#include "dss.h"
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#include "dss_features.h"
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/* Defines a generic omap register field */
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struct dss_reg_field {
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u8 start, end;
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};
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struct dss_param_range {
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int min, max;
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};
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struct omap_dss_features {
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const struct dss_reg_field *reg_fields;
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const int num_reg_fields;
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const u32 has_feature;
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const int num_mgrs;
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const int num_ovls;
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const enum omap_display_type *supported_displays;
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const enum omap_color_mode *supported_color_modes;
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const char * const *clksrc_names;
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const struct dss_param_range *dss_params;
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};
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/* This struct is assigned to one of the below during initialization */
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static const struct omap_dss_features *omap_current_dss_features;
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static const struct dss_reg_field omap2_dss_reg_fields[] = {
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[FEAT_REG_FIRHINC] = { 11, 0 },
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[FEAT_REG_FIRVINC] = { 27, 16 },
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[FEAT_REG_FIFOLOWTHRESHOLD] = { 8, 0 },
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[FEAT_REG_FIFOHIGHTHRESHOLD] = { 24, 16 },
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[FEAT_REG_FIFOSIZE] = { 8, 0 },
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[FEAT_REG_HORIZONTALACCU] = { 9, 0 },
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[FEAT_REG_VERTICALACCU] = { 25, 16 },
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[FEAT_REG_DISPC_CLK_SWITCH] = { 0, 0 },
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[FEAT_REG_DSIPLL_REGN] = { 0, 0 },
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[FEAT_REG_DSIPLL_REGM] = { 0, 0 },
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[FEAT_REG_DSIPLL_REGM_DISPC] = { 0, 0 },
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[FEAT_REG_DSIPLL_REGM_DSI] = { 0, 0 },
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};
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static const struct dss_reg_field omap3_dss_reg_fields[] = {
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[FEAT_REG_FIRHINC] = { 12, 0 },
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[FEAT_REG_FIRVINC] = { 28, 16 },
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[FEAT_REG_FIFOLOWTHRESHOLD] = { 11, 0 },
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[FEAT_REG_FIFOHIGHTHRESHOLD] = { 27, 16 },
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[FEAT_REG_FIFOSIZE] = { 10, 0 },
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[FEAT_REG_HORIZONTALACCU] = { 9, 0 },
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[FEAT_REG_VERTICALACCU] = { 25, 16 },
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[FEAT_REG_DISPC_CLK_SWITCH] = { 0, 0 },
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[FEAT_REG_DSIPLL_REGN] = { 7, 1 },
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[FEAT_REG_DSIPLL_REGM] = { 18, 8 },
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[FEAT_REG_DSIPLL_REGM_DISPC] = { 22, 19 },
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[FEAT_REG_DSIPLL_REGM_DSI] = { 26, 23 },
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};
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static const struct dss_reg_field omap4_dss_reg_fields[] = {
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[FEAT_REG_FIRHINC] = { 12, 0 },
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[FEAT_REG_FIRVINC] = { 28, 16 },
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[FEAT_REG_FIFOLOWTHRESHOLD] = { 15, 0 },
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[FEAT_REG_FIFOHIGHTHRESHOLD] = { 31, 16 },
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[FEAT_REG_FIFOSIZE] = { 15, 0 },
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[FEAT_REG_HORIZONTALACCU] = { 10, 0 },
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[FEAT_REG_VERTICALACCU] = { 26, 16 },
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[FEAT_REG_DISPC_CLK_SWITCH] = { 9, 8 },
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[FEAT_REG_DSIPLL_REGN] = { 8, 1 },
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[FEAT_REG_DSIPLL_REGM] = { 20, 9 },
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[FEAT_REG_DSIPLL_REGM_DISPC] = { 25, 21 },
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[FEAT_REG_DSIPLL_REGM_DSI] = { 30, 26 },
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};
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static const enum omap_display_type omap2_dss_supported_displays[] = {
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/* OMAP_DSS_CHANNEL_LCD */
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OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI,
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/* OMAP_DSS_CHANNEL_DIGIT */
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OMAP_DISPLAY_TYPE_VENC,
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};
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static const enum omap_display_type omap3430_dss_supported_displays[] = {
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/* OMAP_DSS_CHANNEL_LCD */
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OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
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OMAP_DISPLAY_TYPE_SDI | OMAP_DISPLAY_TYPE_DSI,
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/* OMAP_DSS_CHANNEL_DIGIT */
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OMAP_DISPLAY_TYPE_VENC,
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};
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static const enum omap_display_type omap3630_dss_supported_displays[] = {
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/* OMAP_DSS_CHANNEL_LCD */
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OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
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OMAP_DISPLAY_TYPE_DSI,
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/* OMAP_DSS_CHANNEL_DIGIT */
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OMAP_DISPLAY_TYPE_VENC,
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};
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static const enum omap_display_type omap4_dss_supported_displays[] = {
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/* OMAP_DSS_CHANNEL_LCD */
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OMAP_DISPLAY_TYPE_DBI | OMAP_DISPLAY_TYPE_DSI,
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/* OMAP_DSS_CHANNEL_DIGIT */
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OMAP_DISPLAY_TYPE_VENC | OMAP_DISPLAY_TYPE_HDMI,
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/* OMAP_DSS_CHANNEL_LCD2 */
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OMAP_DISPLAY_TYPE_DPI | OMAP_DISPLAY_TYPE_DBI |
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OMAP_DISPLAY_TYPE_DSI,
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};
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static const enum omap_color_mode omap2_dss_supported_color_modes[] = {
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/* OMAP_DSS_GFX */
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OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
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OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
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OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
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OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P,
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/* OMAP_DSS_VIDEO1 */
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
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OMAP_DSS_COLOR_UYVY,
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/* OMAP_DSS_VIDEO2 */
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
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OMAP_DSS_COLOR_UYVY,
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};
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static const enum omap_color_mode omap3_dss_supported_color_modes[] = {
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/* OMAP_DSS_GFX */
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OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
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OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
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OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
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OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
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/* OMAP_DSS_VIDEO1 */
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OMAP_DSS_COLOR_RGB24U | OMAP_DSS_COLOR_RGB24P |
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OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_RGB16 |
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OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_UYVY,
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/* OMAP_DSS_VIDEO2 */
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OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_YUV2 |
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OMAP_DSS_COLOR_UYVY | OMAP_DSS_COLOR_ARGB32 |
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OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32,
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};
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static const enum omap_color_mode omap4_dss_supported_color_modes[] = {
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/* OMAP_DSS_GFX */
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OMAP_DSS_COLOR_CLUT1 | OMAP_DSS_COLOR_CLUT2 |
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OMAP_DSS_COLOR_CLUT4 | OMAP_DSS_COLOR_CLUT8 |
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OMAP_DSS_COLOR_RGB12U | OMAP_DSS_COLOR_ARGB16 |
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_ARGB32 |
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OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_RGBX32 |
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OMAP_DSS_COLOR_ARGB16_1555,
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/* OMAP_DSS_VIDEO1 */
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
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OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
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OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
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OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
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OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
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OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
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OMAP_DSS_COLOR_RGBX32,
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/* OMAP_DSS_VIDEO2 */
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OMAP_DSS_COLOR_RGB16 | OMAP_DSS_COLOR_RGB12U |
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OMAP_DSS_COLOR_YUV2 | OMAP_DSS_COLOR_ARGB16_1555 |
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OMAP_DSS_COLOR_RGBA32 | OMAP_DSS_COLOR_NV12 |
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OMAP_DSS_COLOR_RGBA16 | OMAP_DSS_COLOR_RGB24U |
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OMAP_DSS_COLOR_RGB24P | OMAP_DSS_COLOR_UYVY |
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OMAP_DSS_COLOR_ARGB16 | OMAP_DSS_COLOR_XRGB16_1555 |
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OMAP_DSS_COLOR_ARGB32 | OMAP_DSS_COLOR_RGBX16 |
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OMAP_DSS_COLOR_RGBX32,
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};
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static const char * const omap2_dss_clk_source_names[] = {
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[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "N/A",
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[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "N/A",
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[OMAP_DSS_CLK_SRC_FCK] = "DSS_FCLK1",
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};
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static const char * const omap3_dss_clk_source_names[] = {
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[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "DSI1_PLL_FCLK",
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[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "DSI2_PLL_FCLK",
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[OMAP_DSS_CLK_SRC_FCK] = "DSS1_ALWON_FCLK",
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};
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static const char * const omap4_dss_clk_source_names[] = {
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[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC] = "PLL1_CLK1",
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[OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI] = "PLL1_CLK2",
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[OMAP_DSS_CLK_SRC_FCK] = "DSS_FCLK",
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[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC] = "PLL2_CLK1",
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[OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI] = "PLL2_CLK2",
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};
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static const struct dss_param_range omap2_dss_param_range[] = {
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[FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
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[FEAT_PARAM_DSIPLL_REGN] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_REGM] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_FINT] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_LPDIV] = { 0, 0 },
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};
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static const struct dss_param_range omap3_dss_param_range[] = {
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[FEAT_PARAM_DSS_FCK] = { 0, 173000000 },
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[FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 7) - 1 },
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[FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 11) - 1 },
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[FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 4) - 1 },
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[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 4) - 1 },
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[FEAT_PARAM_DSIPLL_FINT] = { 750000, 2100000 },
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[FEAT_PARAM_DSIPLL_LPDIV] = { 1, (1 << 13) - 1},
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};
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static const struct dss_param_range omap4_dss_param_range[] = {
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[FEAT_PARAM_DSS_FCK] = { 0, 186000000 },
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[FEAT_PARAM_DSIPLL_REGN] = { 0, (1 << 8) - 1 },
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[FEAT_PARAM_DSIPLL_REGM] = { 0, (1 << 12) - 1 },
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[FEAT_PARAM_DSIPLL_REGM_DISPC] = { 0, (1 << 5) - 1 },
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[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 },
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[FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 },
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[FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 },
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};
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/* OMAP2 DSS Features */
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static const struct omap_dss_features omap2_dss_features = {
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.reg_fields = omap2_dss_reg_fields,
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.num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
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.has_feature =
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FEAT_LCDENABLEPOL | FEAT_LCDENABLESIGNAL |
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FEAT_PCKFREEENABLE | FEAT_FUNCGATED |
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FEAT_ROWREPEATENABLE | FEAT_RESIZECONF,
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.num_mgrs = 2,
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.num_ovls = 3,
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.supported_displays = omap2_dss_supported_displays,
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.supported_color_modes = omap2_dss_supported_color_modes,
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.clksrc_names = omap2_dss_clk_source_names,
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.dss_params = omap2_dss_param_range,
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};
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/* OMAP3 DSS Features */
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static const struct omap_dss_features omap3430_dss_features = {
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.reg_fields = omap3_dss_reg_fields,
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.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
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.has_feature =
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FEAT_GLOBAL_ALPHA | FEAT_LCDENABLEPOL |
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FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
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FEAT_FUNCGATED | FEAT_ROWREPEATENABLE |
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FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF |
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FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC,
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.num_mgrs = 2,
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.num_ovls = 3,
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.supported_displays = omap3430_dss_supported_displays,
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.supported_color_modes = omap3_dss_supported_color_modes,
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.clksrc_names = omap3_dss_clk_source_names,
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.dss_params = omap3_dss_param_range,
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};
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static const struct omap_dss_features omap3630_dss_features = {
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.reg_fields = omap3_dss_reg_fields,
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.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
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.has_feature =
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FEAT_GLOBAL_ALPHA | FEAT_LCDENABLEPOL |
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FEAT_LCDENABLESIGNAL | FEAT_PCKFREEENABLE |
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FEAT_PRE_MULT_ALPHA | FEAT_FUNCGATED |
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FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT |
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FEAT_RESIZECONF | FEAT_DSI_PLL_PWR_BUG |
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FEAT_DSI_PLL_FREQSEL,
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.num_mgrs = 2,
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.num_ovls = 3,
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.supported_displays = omap3630_dss_supported_displays,
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.supported_color_modes = omap3_dss_supported_color_modes,
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.clksrc_names = omap3_dss_clk_source_names,
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.dss_params = omap3_dss_param_range,
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};
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/* OMAP4 DSS Features */
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/* For OMAP4430 ES 1.0 revision */
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static const struct omap_dss_features omap4430_es1_0_dss_features = {
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.reg_fields = omap4_dss_reg_fields,
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.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
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.has_feature =
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FEAT_GLOBAL_ALPHA | FEAT_PRE_MULT_ALPHA |
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FEAT_MGR_LCD2 | FEAT_GLOBAL_ALPHA_VID1 |
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FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC |
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FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
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FEAT_DSI_GNQ | FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2,
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.num_mgrs = 3,
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.num_ovls = 3,
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.supported_displays = omap4_dss_supported_displays,
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.supported_color_modes = omap4_dss_supported_color_modes,
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.clksrc_names = omap4_dss_clk_source_names,
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.dss_params = omap4_dss_param_range,
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};
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/* For all the other OMAP4 versions */
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static const struct omap_dss_features omap4_dss_features = {
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.reg_fields = omap4_dss_reg_fields,
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.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
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.has_feature =
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FEAT_GLOBAL_ALPHA | FEAT_PRE_MULT_ALPHA |
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FEAT_MGR_LCD2 | FEAT_GLOBAL_ALPHA_VID1 |
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FEAT_CORE_CLK_DIV | FEAT_LCD_CLK_SRC |
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FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
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FEAT_DSI_GNQ | FEAT_HDMI_CTS_SWMODE |
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FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2,
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.num_mgrs = 3,
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.num_ovls = 3,
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.supported_displays = omap4_dss_supported_displays,
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.supported_color_modes = omap4_dss_supported_color_modes,
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.clksrc_names = omap4_dss_clk_source_names,
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.dss_params = omap4_dss_param_range,
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};
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/* Functions returning values related to a DSS feature */
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int dss_feat_get_num_mgrs(void)
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{
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return omap_current_dss_features->num_mgrs;
|
|
}
|
|
|
|
int dss_feat_get_num_ovls(void)
|
|
{
|
|
return omap_current_dss_features->num_ovls;
|
|
}
|
|
|
|
unsigned long dss_feat_get_param_min(enum dss_range_param param)
|
|
{
|
|
return omap_current_dss_features->dss_params[param].min;
|
|
}
|
|
|
|
unsigned long dss_feat_get_param_max(enum dss_range_param param)
|
|
{
|
|
return omap_current_dss_features->dss_params[param].max;
|
|
}
|
|
|
|
enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel)
|
|
{
|
|
return omap_current_dss_features->supported_displays[channel];
|
|
}
|
|
|
|
enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane)
|
|
{
|
|
return omap_current_dss_features->supported_color_modes[plane];
|
|
}
|
|
|
|
bool dss_feat_color_mode_supported(enum omap_plane plane,
|
|
enum omap_color_mode color_mode)
|
|
{
|
|
return omap_current_dss_features->supported_color_modes[plane] &
|
|
color_mode;
|
|
}
|
|
|
|
const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id)
|
|
{
|
|
return omap_current_dss_features->clksrc_names[id];
|
|
}
|
|
|
|
/* DSS has_feature check */
|
|
bool dss_has_feature(enum dss_feat_id id)
|
|
{
|
|
return omap_current_dss_features->has_feature & id;
|
|
}
|
|
|
|
void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
|
|
{
|
|
if (id >= omap_current_dss_features->num_reg_fields)
|
|
BUG();
|
|
|
|
*start = omap_current_dss_features->reg_fields[id].start;
|
|
*end = omap_current_dss_features->reg_fields[id].end;
|
|
}
|
|
|
|
void dss_features_init(void)
|
|
{
|
|
if (cpu_is_omap24xx())
|
|
omap_current_dss_features = &omap2_dss_features;
|
|
else if (cpu_is_omap3630())
|
|
omap_current_dss_features = &omap3630_dss_features;
|
|
else if (cpu_is_omap34xx())
|
|
omap_current_dss_features = &omap3430_dss_features;
|
|
else if (omap_rev() == OMAP4430_REV_ES1_0)
|
|
omap_current_dss_features = &omap4430_es1_0_dss_features;
|
|
else if (cpu_is_omap44xx())
|
|
omap_current_dss_features = &omap4_dss_features;
|
|
else
|
|
DSSWARN("Unsupported OMAP version");
|
|
}
|