69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
|
|
* drivers/video/tegra/dc/csc.c
|
|
*
|
|
* Copyright (c) 2010-2013, NVIDIA CORPORATION, All rights reserved.
|
|
*
|
|
* This software is licensed under the terms of the GNU General Public
|
|
* License version 2, as published by the Free Software Foundation, and
|
|
* may be copied, distributed, and modified under those terms.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
*/
|
|
|
|
#include <linux/err.h>
|
|
#include <linux/types.h>
|
|
|
|
#include "dc_reg.h"
|
|
#include "dc_priv.h"
|
|
|
|
void tegra_dc_init_csc_defaults(struct tegra_dc_csc *csc)
|
|
{
|
|
csc->yof = 0x00f0;
|
|
csc->kyrgb = 0x012a;
|
|
csc->kur = 0x0000;
|
|
csc->kvr = 0x0198;
|
|
csc->kug = 0x039b;
|
|
csc->kvg = 0x032f;
|
|
csc->kub = 0x0204;
|
|
csc->kvb = 0x0000;
|
|
}
|
|
|
|
void tegra_dc_set_csc(struct tegra_dc *dc, struct tegra_dc_csc *csc)
|
|
{
|
|
tegra_dc_writel(dc, csc->yof, DC_WIN_CSC_YOF);
|
|
tegra_dc_writel(dc, csc->kyrgb, DC_WIN_CSC_KYRGB);
|
|
tegra_dc_writel(dc, csc->kur, DC_WIN_CSC_KUR);
|
|
tegra_dc_writel(dc, csc->kvr, DC_WIN_CSC_KVR);
|
|
tegra_dc_writel(dc, csc->kug, DC_WIN_CSC_KUG);
|
|
tegra_dc_writel(dc, csc->kvg, DC_WIN_CSC_KVG);
|
|
tegra_dc_writel(dc, csc->kub, DC_WIN_CSC_KUB);
|
|
tegra_dc_writel(dc, csc->kvb, DC_WIN_CSC_KVB);
|
|
}
|
|
|
|
int tegra_dc_update_csc(struct tegra_dc *dc, int win_idx)
|
|
{
|
|
mutex_lock(&dc->lock);
|
|
|
|
if (!dc->enabled) {
|
|
mutex_unlock(&dc->lock);
|
|
return -EFAULT;
|
|
}
|
|
|
|
tegra_dc_get(dc);
|
|
tegra_dc_writel(dc, WINDOW_A_SELECT << win_idx,
|
|
DC_CMD_DISPLAY_WINDOW_HEADER);
|
|
|
|
tegra_dc_set_csc(dc, &dc->windows[win_idx].csc);
|
|
tegra_dc_put(dc);
|
|
|
|
mutex_unlock(&dc->lock);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL(tegra_dc_update_csc);
|
|
|