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_inn1610.c (2124B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * LCD panel support for the TI OMAP1610 Innovator 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
     12#include <linux/gpio.h>
     13#include "omapfb.h"
     14
     15#define MODULE_NAME	"omapfb-lcd_h3"
     16
     17static int innovator1610_panel_init(struct lcd_panel *panel,
     18				    struct omapfb_device *fbdev)
     19{
     20	int r = 0;
     21
     22	/* configure GPIO(14, 15) as outputs */
     23	if (gpio_request_one(14, GPIOF_OUT_INIT_LOW, "lcd_en0")) {
     24		pr_err(MODULE_NAME ": can't request GPIO 14\n");
     25		r = -1;
     26		goto exit;
     27	}
     28	if (gpio_request_one(15, GPIOF_OUT_INIT_LOW, "lcd_en1")) {
     29		pr_err(MODULE_NAME ": can't request GPIO 15\n");
     30		gpio_free(14);
     31		r = -1;
     32		goto exit;
     33	}
     34exit:
     35	return r;
     36}
     37
     38static void innovator1610_panel_cleanup(struct lcd_panel *panel)
     39{
     40	gpio_free(15);
     41	gpio_free(14);
     42}
     43
     44static int innovator1610_panel_enable(struct lcd_panel *panel)
     45{
     46	/* set GPIO14 and GPIO15 high */
     47	gpio_set_value(14, 1);
     48	gpio_set_value(15, 1);
     49	return 0;
     50}
     51
     52static void innovator1610_panel_disable(struct lcd_panel *panel)
     53{
     54	/* set GPIO13, GPIO14 and GPIO15 low */
     55	gpio_set_value(14, 0);
     56	gpio_set_value(15, 0);
     57}
     58
     59static struct lcd_panel innovator1610_panel = {
     60	.name		= "inn1610",
     61	.config		= OMAP_LCDC_PANEL_TFT,
     62
     63	.bpp		= 16,
     64	.data_lines	= 16,
     65	.x_res		= 320,
     66	.y_res		= 240,
     67	.pixel_clock	= 12500,
     68	.hsw		= 40,
     69	.hfp		= 40,
     70	.hbp		= 72,
     71	.vsw		= 1,
     72	.vfp		= 1,
     73	.vbp		= 0,
     74	.pcd		= 12,
     75
     76	.init		= innovator1610_panel_init,
     77	.cleanup	= innovator1610_panel_cleanup,
     78	.enable		= innovator1610_panel_enable,
     79	.disable	= innovator1610_panel_disable,
     80};
     81
     82static int innovator1610_panel_probe(struct platform_device *pdev)
     83{
     84	omapfb_register_panel(&innovator1610_panel);
     85	return 0;
     86}
     87
     88static struct platform_driver innovator1610_panel_driver = {
     89	.probe		= innovator1610_panel_probe,
     90	.driver		= {
     91		.name	= "lcd_inn1610",
     92	},
     93};
     94
     95module_platform_driver(innovator1610_panel_driver);
     96
     97MODULE_AUTHOR("Imre Deak");
     98MODULE_DESCRIPTION("LCD panel support for the TI OMAP1610 Innovator board");
     99MODULE_LICENSE("GPL");