drivers/video/tegra/dc/rgb.c

   1 /*
   2  * drivers/video/tegra/dc/rgb.c
   3  *
   4  * Copyright (C) 2010 Google, Inc.
   5  * Author: Erik Gilling <konkers@android.com>
   6  *
   7  * This software is licensed under the terms of the GNU General Public
   8  * License version 2, as published by the Free Software Foundation, and
   9  * may be copied, distributed, and modified under those terms.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  */
  17
  18 #include <linux/kernel.h>
  19
  20 #include <mach/dc.h>
  21
  22 #include "dc_reg.h"
  23 #include "dc_priv.h"
  24
  25
  26 static const u32 tegra_dc_rgb_enable_pintable[] = {
  27         DC_COM_PIN_OUTPUT_ENABLE0,      0x00000000,
  28         DC_COM_PIN_OUTPUT_ENABLE1,      0x00000000,
  29         DC_COM_PIN_OUTPUT_ENABLE2,      0x00000000,
  30         DC_COM_PIN_OUTPUT_ENABLE3,      0x00000000,
  31         DC_COM_PIN_OUTPUT_POLARITY0,    0x00000000,
  32         DC_COM_PIN_OUTPUT_POLARITY1,    0x01000000,
  33         DC_COM_PIN_OUTPUT_POLARITY2,    0x00000000,
  34         DC_COM_PIN_OUTPUT_POLARITY3,    0x00000000,
  35         DC_COM_PIN_OUTPUT_DATA0,        0x00000000,
  36         DC_COM_PIN_OUTPUT_DATA1,        0x00000000,
  37         DC_COM_PIN_OUTPUT_DATA2,        0x00000000,
  38         DC_COM_PIN_OUTPUT_DATA3,        0x00000000,
  39         DC_COM_PIN_OUTPUT_SELECT0,      0x00000000,
  40         DC_COM_PIN_OUTPUT_SELECT1,      0x00000000,
  41         DC_COM_PIN_OUTPUT_SELECT2,      0x00000000,
  42         DC_COM_PIN_OUTPUT_SELECT3,      0x00000000,
  43         DC_COM_PIN_OUTPUT_SELECT4,      0x00210222,
  44         DC_COM_PIN_OUTPUT_SELECT5,      0x00002200,
  45         DC_COM_PIN_OUTPUT_SELECT6,      0x00020000,
  46 };
  47
  48 static const u32 tegra_dc_rgb_disable_pintable[] = {
  49         DC_COM_PIN_OUTPUT_ENABLE0,      0x55555555,
  50         DC_COM_PIN_OUTPUT_ENABLE1,      0x55150005,
  51         DC_COM_PIN_OUTPUT_ENABLE2,      0x55555555,
  52         DC_COM_PIN_OUTPUT_ENABLE3,      0x55555555,
  53         DC_COM_PIN_OUTPUT_POLARITY0,    0x00000000,
  54         DC_COM_PIN_OUTPUT_POLARITY1,    0x00000000,
  55         DC_COM_PIN_OUTPUT_POLARITY2,    0x00000000,
  56         DC_COM_PIN_OUTPUT_POLARITY3,    0x00000000,
  57         DC_COM_PIN_OUTPUT_DATA0,        0xaaaaaaaa,
  58         DC_COM_PIN_OUTPUT_DATA1,        0xaaaaaaaa,
  59         DC_COM_PIN_OUTPUT_DATA2,        0xaaaaaaaa,
  60         DC_COM_PIN_OUTPUT_DATA3,        0xaaaaaaaa,
  61         DC_COM_PIN_OUTPUT_SELECT0,      0x00000000,
  62         DC_COM_PIN_OUTPUT_SELECT1,      0x00000000,
  63         DC_COM_PIN_OUTPUT_SELECT2,      0x00000000,
  64         DC_COM_PIN_OUTPUT_SELECT3,      0x00000000,
  65         DC_COM_PIN_OUTPUT_SELECT4,      0x00000000,
  66         DC_COM_PIN_OUTPUT_SELECT5,      0x00000000,
  67         DC_COM_PIN_OUTPUT_SELECT6,      0x00000000,
  68 };
  69
  70 void tegra_dc_rgb_enable(struct tegra_dc *dc)
  71 {
  72         tegra_dc_writel(dc, PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
  73                         PW4_ENABLE | PM0_ENABLE | PM1_ENABLE,
  74                         DC_CMD_DISPLAY_POWER_CONTROL);
  75
  76         tegra_dc_writel(dc, DISP_CTRL_MODE_C_DISPLAY, DC_CMD_DISPLAY_COMMAND);
  77
  78         tegra_dc_write_table(dc, tegra_dc_rgb_enable_pintable);
  79 }
  80
  81 void tegra_dc_rgb_disable(struct tegra_dc *dc)
  82 {
  83         tegra_dc_writel(dc, 0x00000000, DC_CMD_DISPLAY_POWER_CONTROL);
  84
  85         tegra_dc_write_table(dc, tegra_dc_rgb_disable_pintable);
  86 }
  87
  88 struct tegra_dc_out_ops tegra_dc_rgb_ops = {
  89         .enable = tegra_dc_rgb_enable,
  90         .disable = tegra_dc_rgb_disable,
  91 };
  92