cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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lcd_h3.c (1707B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * LCD panel support for the TI OMAP H3 board
      4 *
      5 * Copyright (C) 2004 Nokia Corporation
      6 * Author: Imre Deak <imre.deak@nokia.com>
      7 */
      8
      9#include <linux/module.h>
     10#include <linux/platform_device.h>
     11#include <linux/mfd/tps65010.h>
     12#include <linux/gpio.h>
     13
     14#include "omapfb.h"
     15
     16#define MODULE_NAME	"omapfb-lcd_h3"
     17
     18static int h3_panel_enable(struct lcd_panel *panel)
     19{
     20	int r = 0;
     21
     22	/* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
     23	r = tps65010_set_gpio_out_value(GPIO1, HIGH);
     24	if (!r)
     25		r = tps65010_set_gpio_out_value(GPIO2, HIGH);
     26	if (r)
     27		pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
     28
     29	return r;
     30}
     31
     32static void h3_panel_disable(struct lcd_panel *panel)
     33{
     34	int r = 0;
     35
     36	/* GPIO1 and GPIO2 of TPS65010 send LCD_ENBKL and LCD_ENVDD signals */
     37	r = tps65010_set_gpio_out_value(GPIO1, LOW);
     38	if (!r)
     39		tps65010_set_gpio_out_value(GPIO2, LOW);
     40	if (r)
     41		pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
     42}
     43
     44static struct lcd_panel h3_panel = {
     45	.name		= "h3",
     46	.config		= OMAP_LCDC_PANEL_TFT,
     47
     48	.data_lines	= 16,
     49	.bpp		= 16,
     50	.x_res		= 240,
     51	.y_res		= 320,
     52	.pixel_clock	= 12000,
     53	.hsw		= 12,
     54	.hfp		= 14,
     55	.hbp		= 72 - 12,
     56	.vsw		= 1,
     57	.vfp		= 1,
     58	.vbp		= 0,
     59	.pcd		= 0,
     60
     61	.enable		= h3_panel_enable,
     62	.disable	= h3_panel_disable,
     63};
     64
     65static int h3_panel_probe(struct platform_device *pdev)
     66{
     67	omapfb_register_panel(&h3_panel);
     68	return 0;
     69}
     70
     71static struct platform_driver h3_panel_driver = {
     72	.probe		= h3_panel_probe,
     73	.driver		= {
     74		.name	= "lcd_h3",
     75	},
     76};
     77
     78module_platform_driver(h3_panel_driver);
     79
     80MODULE_AUTHOR("Imre Deak");
     81MODULE_DESCRIPTION("LCD panel support for the TI OMAP H3 board");
     82MODULE_LICENSE("GPL");