Skip to content

L
linux
Commit e1c9f2ea authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Lee Jones
Browse files
Options

backlight: Remove ld9040 driver 

The driver for LD9040 AMOLED LCD panel was superseded with DRM driver
panel-samsung-ld9040.c.  It does not support DeviceTree and respective
possible user (Exynos4210 Universal C210) is DeviceTree-only and uses
DRM version of driver.
Suggested-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Acked-by: default avatarJingoo Han <jingoohan1@gmail.com>
Acked-by: default avatarDaniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 64c03ab0
Show whitespace changes
Inline Side-by-side
Showing with 0 additions and 1022 deletions
drivers/video/backlight/Kconfig
View file @ e1c9f2ea
...@@ -111,14 +111,6 @@ config LCD_HP700 ...@@ -111,14 +111,6 @@ config LCD_HP700
If you have an HP Jornada 700 series handheld (710/720/728) If you have an HP Jornada 700 series handheld (710/720/728)
say Y to enable LCD control driver. say Y to enable LCD control driver.
config LCD_LD9040
tristate "LD9040 AMOLED LCD Driver"
depends on SPI && BACKLIGHT_CLASS_DEVICE
default n
help
If you have an LD9040 Panel, say Y to enable its
control driver.
config LCD_AMS369FG06 config LCD_AMS369FG06
tristate "AMS369FG06 AMOLED LCD Driver" tristate "AMS369FG06 AMOLED LCD Driver"
depends on SPI && BACKLIGHT_CLASS_DEVICE depends on SPI && BACKLIGHT_CLASS_DEVICE
......
drivers/video/backlight/Makefile
View file @ e1c9f2ea
...@@ -9,7 +9,6 @@ obj-$(CONFIG_LCD_HX8357) += hx8357.o ...@@ -9,7 +9,6 @@ obj-$(CONFIG_LCD_HX8357) += hx8357.o
obj-$(CONFIG_LCD_ILI922X) += ili922x.o obj-$(CONFIG_LCD_ILI922X) += ili922x.o
obj-$(CONFIG_LCD_ILI9320) += ili9320.o obj-$(CONFIG_LCD_ILI9320) += ili9320.o
obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o
obj-$(CONFIG_LCD_LD9040) += ld9040.o
obj-$(CONFIG_LCD_LMS283GF05) += lms283gf05.o obj-$(CONFIG_LCD_LMS283GF05) += lms283gf05.o
obj-$(CONFIG_LCD_LMS501KF03) += lms501kf03.o obj-$(CONFIG_LCD_LMS501KF03) += lms501kf03.o
obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o
......
drivers/video/backlight/ld9040.c deleted 100644 → 0
View file @ 64c03ab0
/*
* ld9040 AMOLED LCD panel driver.
*
* Copyright (c) 2011 Samsung Electronics
* Author: Donghwa Lee <dh09.lee@samsung.com>
* Derived from drivers/video/backlight/s6e63m0.c
*
* 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.
*/
#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/lcd.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include <linux/wait.h>
#include "ld9040_gamma.h"
#define SLEEPMSEC 0x1000
#define ENDDEF 0x2000
#define DEFMASK 0xFF00
#define COMMAND_ONLY 0xFE
#define DATA_ONLY 0xFF
#define MIN_BRIGHTNESS 0
#define MAX_BRIGHTNESS 24
struct ld9040 {
struct device *dev;
struct spi_device *spi;
unsigned int power;
unsigned int current_brightness;
struct lcd_device *ld;
struct backlight_device *bd;
struct lcd_platform_data *lcd_pd;
struct mutex lock;
bool enabled;
};
static struct regulator_bulk_data supplies[] = {
{ .supply = "vdd3", },
{ .supply = "vci", },
};
static void ld9040_regulator_enable(struct ld9040 *lcd)
{
int ret = 0;
struct lcd_platform_data *pd = NULL;
pd = lcd->lcd_pd;
mutex_lock(&lcd->lock);
if (!lcd->enabled) {
ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies);
if (ret)
goto out;
lcd->enabled = true;
}
msleep(pd->power_on_delay);
out:
mutex_unlock(&lcd->lock);
}
static void ld9040_regulator_disable(struct ld9040 *lcd)
{
int ret = 0;
mutex_lock(&lcd->lock);
if (lcd->enabled) {
ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies);
if (ret)
goto out;
lcd->enabled = false;
}
out:
mutex_unlock(&lcd->lock);
}
static const unsigned short seq_swreset[] = {
0x01, COMMAND_ONLY,
ENDDEF, 0x00
};
static const unsigned short seq_user_setting[] = {
0xF0, 0x5A,
DATA_ONLY, 0x5A,
ENDDEF, 0x00
};
static const unsigned short seq_elvss_on[] = {
0xB1, 0x0D,
DATA_ONLY, 0x00,
DATA_ONLY, 0x16,
ENDDEF, 0x00
};
static const unsigned short seq_gtcon[] = {
0xF7, 0x09,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
ENDDEF, 0x00
};
static const unsigned short seq_panel_condition[] = {
0xF8, 0x05,
DATA_ONLY, 0x65,
DATA_ONLY, 0x96,
DATA_ONLY, 0x71,
DATA_ONLY, 0x7D,
DATA_ONLY, 0x19,
DATA_ONLY, 0x3B,
DATA_ONLY, 0x0D,
DATA_ONLY, 0x19,
DATA_ONLY, 0x7E,
DATA_ONLY, 0x0D,
DATA_ONLY, 0xE2,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x7E,
DATA_ONLY, 0x7D,
DATA_ONLY, 0x07,
DATA_ONLY, 0x07,
DATA_ONLY, 0x20,
DATA_ONLY, 0x20,
DATA_ONLY, 0x20,
DATA_ONLY, 0x02,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_gamma_set1[] = {
0xF9, 0x00,
DATA_ONLY, 0xA7,
DATA_ONLY, 0xB4,
DATA_ONLY, 0xAE,
DATA_ONLY, 0xBF,
DATA_ONLY, 0x00,
DATA_ONLY, 0x91,
DATA_ONLY, 0x00,
DATA_ONLY, 0xB2,
DATA_ONLY, 0xB4,
DATA_ONLY, 0xAA,
DATA_ONLY, 0xBB,
DATA_ONLY, 0x00,
DATA_ONLY, 0xAC,
DATA_ONLY, 0x00,
DATA_ONLY, 0xB3,
DATA_ONLY, 0xB1,
DATA_ONLY, 0xAA,
DATA_ONLY, 0xBC,
DATA_ONLY, 0x00,
DATA_ONLY, 0xB3,
ENDDEF, 0x00
};
static const unsigned short seq_gamma_ctrl[] = {
0xFB, 0x02,
DATA_ONLY, 0x5A,
ENDDEF, 0x00
};
static const unsigned short seq_gamma_start[] = {
0xF9, COMMAND_ONLY,
ENDDEF, 0x00
};
static const unsigned short seq_apon[] = {
0xF3, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x0A,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_display_ctrl[] = {
0xF2, 0x02,
DATA_ONLY, 0x08,
DATA_ONLY, 0x08,
DATA_ONLY, 0x10,
DATA_ONLY, 0x10,
ENDDEF, 0x00
};
static const unsigned short seq_manual_pwr[] = {
0xB0, 0x04,
ENDDEF, 0x00
};
static const unsigned short seq_pwr_ctrl[] = {
0xF4, 0x0A,
DATA_ONLY, 0x87,
DATA_ONLY, 0x25,
DATA_ONLY, 0x6A,
DATA_ONLY, 0x44,
DATA_ONLY, 0x02,
DATA_ONLY, 0x88,
ENDDEF, 0x00
};
static const unsigned short seq_sleep_out[] = {
0x11, COMMAND_ONLY,
ENDDEF, 0x00
};
static const unsigned short seq_sleep_in[] = {
0x10, COMMAND_ONLY,
ENDDEF, 0x00
};
static const unsigned short seq_display_on[] = {
0x29, COMMAND_ONLY,
ENDDEF, 0x00
};
static const unsigned short seq_display_off[] = {
0x28, COMMAND_ONLY,
ENDDEF, 0x00
};
static const unsigned short seq_vci1_1st_en[] = {
0xF3, 0x10,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vl1_en[] = {
0xF3, 0x11,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vl2_en[] = {
0xF3, 0x13,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vci1_2nd_en[] = {
0xF3, 0x33,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vl3_en[] = {
0xF3, 0x37,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vreg1_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0x01,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vgh_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0x11,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vgl_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0x31,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x02,
ENDDEF, 0x00
};
static const unsigned short seq_vmos_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xB1,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
ENDDEF, 0x00
};
static const unsigned short seq_vint_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xF1,
/* DATA_ONLY, 0x71, VMOS/VBL/VBH not used */
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
/* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */
ENDDEF, 0x00
};
static const unsigned short seq_vbh_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xF9,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
ENDDEF, 0x00
};
static const unsigned short seq_vbl_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xFD,
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
ENDDEF, 0x00
};
static const unsigned short seq_gam_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xFF,
/* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */
DATA_ONLY, 0x00,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
/* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */
ENDDEF, 0x00
};
static const unsigned short seq_sd_amp_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xFF,
/* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */
DATA_ONLY, 0x80,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
/* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */
ENDDEF, 0x00
};
static const unsigned short seq_gls_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xFF,
/* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */
DATA_ONLY, 0x81,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
/* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */
ENDDEF, 0x00
};
static const unsigned short seq_els_en[] = {
0xF3, 0x37,
DATA_ONLY, 0xFF,
/* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */
DATA_ONLY, 0x83,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
/* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */
ENDDEF, 0x00
};
static const unsigned short seq_el_on[] = {
0xF3, 0x37,
DATA_ONLY, 0xFF,
/* DATA_ONLY, 0x73, VMOS/VBL/VBH not used */
DATA_ONLY, 0x87,
DATA_ONLY, 0x00,
DATA_ONLY, 0x03,
/* DATA_ONLY, 0x02, VMOS/VBL/VBH not used */
ENDDEF, 0x00
};
static int ld9040_spi_write_byte(struct ld9040 *lcd, int addr, int data)
{
u16 buf[1];
struct spi_message msg;
struct spi_transfer xfer = {
.len = 2,
.tx_buf = buf,
};
buf[0] = (addr << 8) | data;
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
return spi_sync(lcd->spi, &msg);
}
static int ld9040_spi_write(struct ld9040 *lcd, unsigned char address,
unsigned char command)
{
int ret = 0;
if (address != DATA_ONLY)
ret = ld9040_spi_write_byte(lcd, 0x0, address);
if (command != COMMAND_ONLY)
ret = ld9040_spi_write_byte(lcd, 0x1, command);
return ret;
}
static int ld9040_panel_send_sequence(struct ld9040 *lcd,
const unsigned short *wbuf)
{
int ret = 0, i = 0;
while ((wbuf[i] & DEFMASK) != ENDDEF) {
if ((wbuf[i] & DEFMASK) != SLEEPMSEC) {
ret = ld9040_spi_write(lcd, wbuf[i], wbuf[i+1]);
if (ret)
break;
} else {
msleep(wbuf[i+1]);
}
i += 2;
}
return ret;
}
static int _ld9040_gamma_ctl(struct ld9040 *lcd, const unsigned int *gamma)
{
unsigned int i = 0;
int ret = 0;
/* start gamma table updating. */
ret = ld9040_panel_send_sequence(lcd, seq_gamma_start);
if (ret) {
dev_err(lcd->dev, "failed to disable gamma table updating.\n");
goto gamma_err;
}
for (i = 0 ; i < GAMMA_TABLE_COUNT; i++) {
ret = ld9040_spi_write(lcd, DATA_ONLY, gamma[i]);
if (ret) {
dev_err(lcd->dev, "failed to set gamma table.\n");
goto gamma_err;
}
}
/* update gamma table. */
ret = ld9040_panel_send_sequence(lcd, seq_gamma_ctrl);
if (ret)
dev_err(lcd->dev, "failed to update gamma table.\n");
gamma_err:
return ret;
}
static int ld9040_gamma_ctl(struct ld9040 *lcd, int gamma)
{
return _ld9040_gamma_ctl(lcd, gamma_table.gamma_22_table[gamma]);
}
static int ld9040_ldi_init(struct ld9040 *lcd)
{
int ret, i;
static const unsigned short *init_seq[] = {
seq_user_setting,
seq_panel_condition,
seq_display_ctrl,
seq_manual_pwr,
seq_elvss_on,
seq_gtcon,
seq_gamma_set1,
seq_gamma_ctrl,
seq_sleep_out,
};
for (i = 0; i < ARRAY_SIZE(init_seq); i++) {
ret = ld9040_panel_send_sequence(lcd, init_seq[i]);
/* workaround: minimum delay time for transferring CMD */
usleep_range(300, 310);
if (ret)
break;
}
return ret;
}
static int ld9040_ldi_enable(struct ld9040 *lcd)
{
return ld9040_panel_send_sequence(lcd, seq_display_on);
}
static int ld9040_ldi_disable(struct ld9040 *lcd)
{
int ret;
ret = ld9040_panel_send_sequence(lcd, seq_display_off);
ret = ld9040_panel_send_sequence(lcd, seq_sleep_in);
return ret;
}
static int ld9040_power_is_on(int power)
{
return power <= FB_BLANK_NORMAL;
}
static int ld9040_power_on(struct ld9040 *lcd)
{
int ret = 0;
struct lcd_platform_data *pd;
pd = lcd->lcd_pd;
/* lcd power on */
ld9040_regulator_enable(lcd);
if (!pd->reset) {
dev_err(lcd->dev, "reset is NULL.\n");
return -EINVAL;
}
pd->reset(lcd->ld);
msleep(pd->reset_delay);
ret = ld9040_ldi_init(lcd);
if (ret) {
dev_err(lcd->dev, "failed to initialize ldi.\n");
return ret;
}
ret = ld9040_ldi_enable(lcd);
if (ret) {
dev_err(lcd->dev, "failed to enable ldi.\n");
return ret;
}
return 0;
}
static int ld9040_power_off(struct ld9040 *lcd)
{
int ret;
struct lcd_platform_data *pd;
pd = lcd->lcd_pd;
ret = ld9040_ldi_disable(lcd);
if (ret) {
dev_err(lcd->dev, "lcd setting failed.\n");
return -EIO;
}
msleep(pd->power_off_delay);
/* lcd power off */
ld9040_regulator_disable(lcd);
return 0;
}
static int ld9040_power(struct ld9040 *lcd, int power)
{
int ret = 0;
if (ld9040_power_is_on(power) && !ld9040_power_is_on(lcd->power))
ret = ld9040_power_on(lcd);
else if (!ld9040_power_is_on(power) && ld9040_power_is_on(lcd->power))
ret = ld9040_power_off(lcd);
if (!ret)
lcd->power = power;
return ret;
}
static int ld9040_set_power(struct lcd_device *ld, int power)
{
struct ld9040 *lcd = lcd_get_data(ld);
if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN &&
power != FB_BLANK_NORMAL) {
dev_err(lcd->dev, "power value should be 0, 1 or 4.\n");
return -EINVAL;
}
return ld9040_power(lcd, power);
}
static int ld9040_get_power(struct lcd_device *ld)
{
struct ld9040 *lcd = lcd_get_data(ld);
return lcd->power;
}
static int ld9040_set_brightness(struct backlight_device *bd)
{
int ret = 0, brightness = bd->props.brightness;
struct ld9040 *lcd = bl_get_data(bd);
if (brightness < MIN_BRIGHTNESS ||
brightness > bd->props.max_brightness) {
dev_err(&bd->dev, "lcd brightness should be %d to %d.\n",
MIN_BRIGHTNESS, MAX_BRIGHTNESS);
return -EINVAL;
}
ret = ld9040_gamma_ctl(lcd, bd->props.brightness);
if (ret) {
dev_err(&bd->dev, "lcd brightness setting failed.\n");
return -EIO;
}
return ret;
}
static struct lcd_ops ld9040_lcd_ops = {
.set_power = ld9040_set_power,
.get_power = ld9040_get_power,
};
static const struct backlight_ops ld9040_backlight_ops = {
.update_status = ld9040_set_brightness,
};
static int ld9040_probe(struct spi_device *spi)
{
int ret = 0;
struct ld9040 *lcd = NULL;
struct lcd_device *ld = NULL;
struct backlight_device *bd = NULL;
struct backlight_properties props;
lcd = devm_kzalloc(&spi->dev, sizeof(struct ld9040), GFP_KERNEL);
if (!lcd)
return -ENOMEM;
/* ld9040 lcd panel uses 3-wire 9bits SPI Mode. */
spi->bits_per_word = 9;
ret = spi_setup(spi);
if (ret < 0) {
dev_err(&spi->dev, "spi setup failed.\n");
return ret;
}
lcd->spi = spi;
lcd->dev = &spi->dev;
lcd->lcd_pd = dev_get_platdata(&spi->dev);
if (!lcd->lcd_pd) {
dev_err(&spi->dev, "platform data is NULL.\n");
return -EINVAL;
}
mutex_init(&lcd->lock);
ret = devm_regulator_bulk_get(lcd->dev, ARRAY_SIZE(supplies), supplies);
if (ret) {
dev_err(lcd->dev, "Failed to get regulators: %d\n", ret);
return ret;
}
ld = devm_lcd_device_register(&spi->dev, "ld9040", &spi->dev, lcd,
&ld9040_lcd_ops);
if (IS_ERR(ld))
return PTR_ERR(ld);
lcd->ld = ld;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = MAX_BRIGHTNESS;
bd = devm_backlight_device_register(&spi->dev, "ld9040-bl", &spi->dev,
lcd, &ld9040_backlight_ops, &props);
if (IS_ERR(bd))
return PTR_ERR(bd);
bd->props.brightness = MAX_BRIGHTNESS;
lcd->bd = bd;
/*
* if lcd panel was on from bootloader like u-boot then
* do not lcd on.
*/
if (!lcd->lcd_pd->lcd_enabled) {
/*
* if lcd panel was off from bootloader then
* current lcd status is powerdown and then
* it enables lcd panel.
*/
lcd->power = FB_BLANK_POWERDOWN;
ld9040_power(lcd, FB_BLANK_UNBLANK);
} else {
lcd->power = FB_BLANK_UNBLANK;
}
spi_set_drvdata(spi, lcd);
dev_info(&spi->dev, "ld9040 panel driver has been probed.\n");
return 0;
}
static int ld9040_remove(struct spi_device *spi)
{
struct ld9040 *lcd = spi_get_drvdata(spi);
ld9040_power(lcd, FB_BLANK_POWERDOWN);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int ld9040_suspend(struct device *dev)
{
struct ld9040 *lcd = dev_get_drvdata(dev);
dev_dbg(dev, "lcd->power = %d\n", lcd->power);
/*
* when lcd panel is suspend, lcd panel becomes off
* regardless of status.
*/
return ld9040_power(lcd, FB_BLANK_POWERDOWN);
}
static int ld9040_resume(struct device *dev)
{
struct ld9040 *lcd = dev_get_drvdata(dev);
lcd->power = FB_BLANK_POWERDOWN;
return ld9040_power(lcd, FB_BLANK_UNBLANK);
}
#endif
static SIMPLE_DEV_PM_OPS(ld9040_pm_ops, ld9040_suspend, ld9040_resume);
/* Power down all displays on reboot, poweroff or halt. */
static void ld9040_shutdown(struct spi_device *spi)
{
struct ld9040 *lcd = spi_get_drvdata(spi);
ld9040_power(lcd, FB_BLANK_POWERDOWN);
}
static struct spi_driver ld9040_driver = {
.driver = {
.name = "ld9040",
.pm = &ld9040_pm_ops,
},
.probe = ld9040_probe,
.remove = ld9040_remove,
.shutdown = ld9040_shutdown,
};
module_spi_driver(ld9040_driver);
MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>");
MODULE_DESCRIPTION("ld9040 LCD Driver");
MODULE_LICENSE("GPL");
drivers/video/backlight/ld9040_gamma.h deleted 100644 → 0
View file @ 64c03ab0
/*
* Gamma level definitions.
*
* Copyright (c) 2011 Samsung Electronics
* InKi Dae <inki.dae@samsung.com>
* Donghwa Lee <dh09.lee@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _LD9040_BRIGHTNESS_H
#define _LD9040_BRIGHTNESS_H
#define MAX_GAMMA_LEVEL 25
#define GAMMA_TABLE_COUNT 21
/* gamma value: 2.2 */
static const unsigned int ld9040_22_300[] = {
0x00, 0xa7, 0xb4, 0xae, 0xbf, 0x00, 0x91,
0x00, 0xb2, 0xb4, 0xaa, 0xbb, 0x00, 0xac,
0x00, 0xb3, 0xb1, 0xaa, 0xbc, 0x00, 0xb3
};
static const unsigned int ld9040_22_290[] = {
0x00, 0xa9, 0xb7, 0xae, 0xbd, 0x00, 0x89,
0x00, 0xb7, 0xb6, 0xa8, 0xba, 0x00, 0xa4,
0x00, 0xb1, 0xb4, 0xaa, 0xbb, 0x00, 0xaa
};
static const unsigned int ld9040_22_280[] = {
0x00, 0xa9, 0xb6, 0xad, 0xbf, 0x00, 0x86,
0x00, 0xb8, 0xb5, 0xa8, 0xbc, 0x00, 0xa0,
0x00, 0xb3, 0xb3, 0xa9, 0xbc, 0x00, 0xa7
};
static const unsigned int ld9040_22_270[] = {
0x00, 0xa8, 0xb8, 0xae, 0xbe, 0x00, 0x84,
0x00, 0xb9, 0xb7, 0xa8, 0xbc, 0x00, 0x9d,
0x00, 0xb2, 0xb5, 0xaa, 0xbc, 0x00, 0xa4
};
static const unsigned int ld9040_22_260[] = {
0x00, 0xa4, 0xb8, 0xb0, 0xbf, 0x00, 0x80,
0x00, 0xb8, 0xb6, 0xaa, 0xbc, 0x00, 0x9a,
0x00, 0xb0, 0xb5, 0xab, 0xbd, 0x00, 0xa0
};
static const unsigned int ld9040_22_250[] = {
0x00, 0xa4, 0xb9, 0xaf, 0xc1, 0x00, 0x7d,
0x00, 0xb9, 0xb6, 0xaa, 0xbb, 0x00, 0x97,
0x00, 0xb1, 0xb5, 0xaa, 0xbf, 0x00, 0x9d
};
static const unsigned int ld9040_22_240[] = {
0x00, 0xa2, 0xb9, 0xaf, 0xc2, 0x00, 0x7a,
0x00, 0xb9, 0xb7, 0xaa, 0xbd, 0x00, 0x94,
0x00, 0xb0, 0xb5, 0xab, 0xbf, 0x00, 0x9a
};
static const unsigned int ld9040_22_230[] = {
0x00, 0xa0, 0xb9, 0xaf, 0xc3, 0x00, 0x77,
0x00, 0xb9, 0xb7, 0xab, 0xbe, 0x00, 0x90,
0x00, 0xb0, 0xb6, 0xab, 0xbf, 0x00, 0x97
};
static const unsigned int ld9040_22_220[] = {
0x00, 0x9e, 0xba, 0xb0, 0xc2, 0x00, 0x75,
0x00, 0xb9, 0xb8, 0xab, 0xbe, 0x00, 0x8e,
0x00, 0xb0, 0xb6, 0xac, 0xbf, 0x00, 0x94
};
static const unsigned int ld9040_22_210[] = {
0x00, 0x9c, 0xb9, 0xb0, 0xc4, 0x00, 0x72,
0x00, 0xb8, 0xb8, 0xac, 0xbf, 0x00, 0x8a,
0x00, 0xb0, 0xb6, 0xac, 0xc0, 0x00, 0x91
};
static const unsigned int ld9040_22_200[] = {
0x00, 0x9a, 0xba, 0xb1, 0xc4, 0x00, 0x6f,
0x00, 0xb8, 0xb8, 0xad, 0xc0, 0x00, 0x86,
0x00, 0xb0, 0xb7, 0xad, 0xc0, 0x00, 0x8d
};
static const unsigned int ld9040_22_190[] = {
0x00, 0x97, 0xba, 0xb2, 0xc5, 0x00, 0x6c,
0x00, 0xb8, 0xb8, 0xae, 0xc1, 0x00, 0x82,
0x00, 0xb0, 0xb6, 0xae, 0xc2, 0x00, 0x89
};
static const unsigned int ld9040_22_180[] = {
0x00, 0x93, 0xba, 0xb3, 0xc5, 0x00, 0x69,
0x00, 0xb8, 0xb9, 0xae, 0xc1, 0x00, 0x7f,
0x00, 0xb0, 0xb6, 0xae, 0xc3, 0x00, 0x85
};
static const unsigned int ld9040_22_170[] = {
0x00, 0x8b, 0xb9, 0xb3, 0xc7, 0x00, 0x65,
0x00, 0xb7, 0xb8, 0xaf, 0xc3, 0x00, 0x7a,
0x00, 0x80, 0xb6, 0xae, 0xc4, 0x00, 0x81
};
static const unsigned int ld9040_22_160[] = {
0x00, 0x89, 0xba, 0xb3, 0xc8, 0x00, 0x62,
0x00, 0xb6, 0xba, 0xaf, 0xc3, 0x00, 0x76,
0x00, 0xaf, 0xb7, 0xae, 0xc4, 0x00, 0x7e
};
static const unsigned int ld9040_22_150[] = {
0x00, 0x82, 0xba, 0xb4, 0xc7, 0x00, 0x5f,
0x00, 0xb5, 0xba, 0xb0, 0xc3, 0x00, 0x72,
0x00, 0xae, 0xb8, 0xb0, 0xc3, 0x00, 0x7a
};
static const unsigned int ld9040_22_140[] = {
0x00, 0x7b, 0xbb, 0xb4, 0xc8, 0x00, 0x5b,
0x00, 0xb5, 0xba, 0xb1, 0xc4, 0x00, 0x6e,
0x00, 0xae, 0xb9, 0xb0, 0xc5, 0x00, 0x75
};
static const unsigned int ld9040_22_130[] = {
0x00, 0x71, 0xbb, 0xb5, 0xc8, 0x00, 0x57,
0x00, 0xb5, 0xbb, 0xb0, 0xc5, 0x00, 0x6a,
0x00, 0xae, 0xb9, 0xb1, 0xc6, 0x00, 0x70
};
static const unsigned int ld9040_22_120[] = {
0x00, 0x47, 0xba, 0xb6, 0xca, 0x00, 0x53,
0x00, 0xb5, 0xbb, 0xb3, 0xc6, 0x00, 0x65,
0x00, 0xae, 0xb8, 0xb3, 0xc7, 0x00, 0x6c
};
static const unsigned int ld9040_22_110[] = {
0x00, 0x13, 0xbb, 0xb7, 0xca, 0x00, 0x4f,
0x00, 0xb4, 0xbb, 0xb3, 0xc7, 0x00, 0x60,
0x00, 0xad, 0xb8, 0xb4, 0xc7, 0x00, 0x67
};
static const unsigned int ld9040_22_100[] = {
0x00, 0x13, 0xba, 0xb8, 0xcb, 0x00, 0x4b,
0x00, 0xb3, 0xbc, 0xb4, 0xc7, 0x00, 0x5c,
0x00, 0xac, 0xb8, 0xb4, 0xc8, 0x00, 0x62
};
static const unsigned int ld9040_22_90[] = {
0x00, 0x13, 0xb9, 0xb8, 0xcd, 0x00, 0x46,
0x00, 0xb1, 0xbc, 0xb5, 0xc8, 0x00, 0x56,
0x00, 0xaa, 0xb8, 0xb4, 0xc9, 0x00, 0x5d
};
static const unsigned int ld9040_22_80[] = {
0x00, 0x13, 0xba, 0xb9, 0xcd, 0x00, 0x41,
0x00, 0xb0, 0xbe, 0xb5, 0xc9, 0x00, 0x51,
0x00, 0xa9, 0xb9, 0xb5, 0xca, 0x00, 0x57
};
static const unsigned int ld9040_22_70[] = {
0x00, 0x13, 0xb9, 0xb9, 0xd0, 0x00, 0x3c,
0x00, 0xaf, 0xbf, 0xb6, 0xcb, 0x00, 0x4b,
0x00, 0xa8, 0xb9, 0xb5, 0xcc, 0x00, 0x52
};
static const unsigned int ld9040_22_50[] = {
0x00, 0x13, 0xb2, 0xba, 0xd2, 0x00, 0x30,
0x00, 0xaf, 0xc0, 0xb8, 0xcd, 0x00, 0x3d,
0x00, 0xa8, 0xb8, 0xb7, 0xcd, 0x00, 0x44
};
struct ld9040_gamma {
unsigned int *gamma_22_table[MAX_GAMMA_LEVEL];
};
static struct ld9040_gamma gamma_table = {
.gamma_22_table[0] = (unsigned int *)&ld9040_22_50,
.gamma_22_table[1] = (unsigned int *)&ld9040_22_70,
.gamma_22_table[2] = (unsigned int *)&ld9040_22_80,
.gamma_22_table[3] = (unsigned int *)&ld9040_22_90,
.gamma_22_table[4] = (unsigned int *)&ld9040_22_100,
.gamma_22_table[5] = (unsigned int *)&ld9040_22_110,
.gamma_22_table[6] = (unsigned int *)&ld9040_22_120,
.gamma_22_table[7] = (unsigned int *)&ld9040_22_130,
.gamma_22_table[8] = (unsigned int *)&ld9040_22_140,
.gamma_22_table[9] = (unsigned int *)&ld9040_22_150,
.gamma_22_table[10] = (unsigned int *)&ld9040_22_160,
.gamma_22_table[11] = (unsigned int *)&ld9040_22_170,
.gamma_22_table[12] = (unsigned int *)&ld9040_22_180,
.gamma_22_table[13] = (unsigned int *)&ld9040_22_190,
.gamma_22_table[14] = (unsigned int *)&ld9040_22_200,
.gamma_22_table[15] = (unsigned int *)&ld9040_22_210,
.gamma_22_table[16] = (unsigned int *)&ld9040_22_220,
.gamma_22_table[17] = (unsigned int *)&ld9040_22_230,
.gamma_22_table[18] = (unsigned int *)&ld9040_22_240,
.gamma_22_table[19] = (unsigned int *)&ld9040_22_250,
.gamma_22_table[20] = (unsigned int *)&ld9040_22_260,
.gamma_22_table[21] = (unsigned int *)&ld9040_22_270,
.gamma_22_table[22] = (unsigned int *)&ld9040_22_280,
.gamma_22_table[23] = (unsigned int *)&ld9040_22_290,
.gamma_22_table[24] = (unsigned int *)&ld9040_22_300,
};
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7