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Release 4.11 drivers/video/fbdev/omap/lcd_ams_delta.c

/*
 * Based on drivers/video/omap/lcd_inn1510.c
 *
 * LCD panel support for the Amstrad E3 (Delta) videophone.
 *
 * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <linux/lcd.h>
#include <linux/gpio.h>

#include <mach/hardware.h>
#include <mach/board-ams-delta.h>

#include "omapfb.h"


#define AMS_DELTA_DEFAULT_CONTRAST	112


#define AMS_DELTA_MAX_CONTRAST		0x00FF

#define AMS_DELTA_LCD_POWER		0x0100


/* LCD class device section */


static int ams_delta_lcd;


static int ams_delta_lcd_set_power(struct lcd_device *dev, int power) { if (power == FB_BLANK_UNBLANK) { if (!(ams_delta_lcd & AMS_DELTA_LCD_POWER)) { omap_writeb(ams_delta_lcd & AMS_DELTA_MAX_CONTRAST, OMAP_PWL_ENABLE); omap_writeb(1, OMAP_PWL_CLK_ENABLE); ams_delta_lcd |= AMS_DELTA_LCD_POWER; } } else { if (ams_delta_lcd & AMS_DELTA_LCD_POWER) { omap_writeb(0, OMAP_PWL_ENABLE); omap_writeb(0, OMAP_PWL_CLK_ENABLE); ams_delta_lcd &= ~AMS_DELTA_LCD_POWER; } } return 0; }

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Janusz Krzysztofik86100.00%1100.00%
Total86100.00%1100.00%


static int ams_delta_lcd_set_contrast(struct lcd_device *dev, int value) { if ((value >= 0) && (value <= AMS_DELTA_MAX_CONTRAST)) { omap_writeb(value, OMAP_PWL_ENABLE); ams_delta_lcd &= ~AMS_DELTA_MAX_CONTRAST; ams_delta_lcd |= value; } return 0; }

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Janusz Krzysztofik49100.00%1100.00%
Total49100.00%1100.00%

#ifdef CONFIG_LCD_CLASS_DEVICE
static int ams_delta_lcd_get_power(struct lcd_device *dev) { if (ams_delta_lcd & AMS_DELTA_LCD_POWER) return FB_BLANK_UNBLANK; else return FB_BLANK_POWERDOWN; }

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Janusz Krzysztofik24100.00%1100.00%
Total24100.00%1100.00%


static int ams_delta_lcd_get_contrast(struct lcd_device *dev) { if (!(ams_delta_lcd & AMS_DELTA_LCD_POWER)) return 0; return ams_delta_lcd & AMS_DELTA_MAX_CONTRAST; }

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Janusz Krzysztofik28100.00%1100.00%
Total28100.00%1100.00%

static struct lcd_ops ams_delta_lcd_ops = { .get_power = ams_delta_lcd_get_power, .set_power = ams_delta_lcd_set_power, .get_contrast = ams_delta_lcd_get_contrast, .set_contrast = ams_delta_lcd_set_contrast, }; #endif /* omapfb panel section */ static const struct gpio _gpios[] = { { .gpio = AMS_DELTA_GPIO_PIN_LCD_VBLEN, .flags = GPIOF_OUT_INIT_LOW, .label = "lcd_vblen", }, { .gpio = AMS_DELTA_GPIO_PIN_LCD_NDISP, .flags = GPIOF_OUT_INIT_LOW, .label = "lcd_ndisp", }, };
static int ams_delta_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev) { return gpio_request_array(_gpios, ARRAY_SIZE(_gpios)); }

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Jonathan McDowell1866.67%150.00%
Janusz Krzysztofik933.33%150.00%
Total27100.00%2100.00%


static void ams_delta_panel_cleanup(struct lcd_panel *panel) { gpio_free_array(_gpios, ARRAY_SIZE(_gpios)); }

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Janusz Krzysztofik1257.14%150.00%
Jonathan McDowell942.86%150.00%
Total21100.00%2100.00%


static int ams_delta_panel_enable(struct lcd_panel *panel) { gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 1); gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 1); return 0; }

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Jonathan McDowell2278.57%150.00%
Janusz Krzysztofik621.43%150.00%
Total28100.00%2100.00%


static void ams_delta_panel_disable(struct lcd_panel *panel) { gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_VBLEN, 0); gpio_set_value(AMS_DELTA_GPIO_PIN_LCD_NDISP, 0); }

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PersonTokensPropCommitsCommitProp
Jonathan McDowell2184.00%150.00%
Janusz Krzysztofik416.00%150.00%
Total25100.00%2100.00%

static struct lcd_panel ams_delta_panel = { .name = "ams-delta", .config = 0, .bpp = 12, .data_lines = 16, .x_res = 480, .y_res = 320, .pixel_clock = 4687, .hsw = 3, .hfp = 1, .hbp = 1, .vsw = 1, .vfp = 0, .vbp = 0, .pcd = 0, .acb = 37, .init = ams_delta_panel_init, .cleanup = ams_delta_panel_cleanup, .enable = ams_delta_panel_enable, .disable = ams_delta_panel_disable, }; /* platform driver section */
static int ams_delta_panel_probe(struct platform_device *pdev) { struct lcd_device *lcd_device = NULL; #ifdef CONFIG_LCD_CLASS_DEVICE int ret; lcd_device = lcd_device_register("omapfb", &pdev->dev, NULL, &ams_delta_lcd_ops); if (IS_ERR(lcd_device)) { ret = PTR_ERR(lcd_device); dev_err(&pdev->dev, "failed to register device\n"); return ret; } platform_set_drvdata(pdev, lcd_device); lcd_device->props.max_contrast = AMS_DELTA_MAX_CONTRAST; #endif ams_delta_lcd_set_contrast(lcd_device, AMS_DELTA_DEFAULT_CONTRAST); ams_delta_lcd_set_power(lcd_device, FB_BLANK_UNBLANK); omapfb_register_panel(&ams_delta_panel); return 0; }

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Janusz Krzysztofik9081.82%150.00%
Jonathan McDowell2018.18%150.00%
Total110100.00%2100.00%

static struct platform_driver ams_delta_panel_driver = { .probe = ams_delta_panel_probe, .driver = { .name = "lcd_ams_delta", }, }; module_platform_driver(ams_delta_panel_driver);

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Janusz Krzysztofik40462.25%333.33%
Jonathan McDowell23736.52%111.11%
Tony Lindgren40.62%222.22%
Axel Lin30.46%222.22%
Tomi Valkeinen10.15%111.11%
Total649100.00%9100.00%
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