From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/video/backlight/tosa_lcd.c | 43 ++++++++++++++++++++++++++-----------------
1 files changed, 26 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/video/backlight/tosa_lcd.c b/kernel/drivers/video/backlight/tosa_lcd.c
index 4dc5ee8..3876554 100644
--- a/kernel/drivers/video/backlight/tosa_lcd.c
+++ b/kernel/drivers/video/backlight/tosa_lcd.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* LCD / Backlight control code for Sharp SL-6000x (tosa)
*
* Copyright (c) 2005 Dirk Opfer
* Copyright (c) 2007,2008 Dmitry Baryshkov
- *
- * 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.
- *
*/
#include <linux/kernel.h>
@@ -16,14 +12,14 @@
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/slab.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include <linux/lcd.h>
#include <linux/fb.h>
#include <asm/mach/sharpsl_param.h>
-#include <mach/tosa.h>
+#include "tosa_bl.h"
#define POWER_IS_ON(pwr) ((pwr) <= FB_BLANK_NORMAL)
@@ -32,12 +28,26 @@
#define TG_REG0_UD 0x0004
#define TG_REG0_LR 0x0008
+/*
+ * Timing Generator
+ */
+#define TG_PNLCTL 0x00
+#define TG_TPOSCTL 0x01
+#define TG_DUTYCTL 0x02
+#define TG_GPOSR 0x03
+#define TG_GPODR1 0x04
+#define TG_GPODR2 0x05
+#define TG_PINICTL 0x06
+#define TG_HPOSCTL 0x07
+
+
#define DAC_BASE 0x4e
struct tosa_lcd_data {
struct spi_device *spi;
struct lcd_device *lcd;
struct i2c_client *i2c;
+ struct gpio_desc *gpiod_tg;
int lcd_power;
bool is_vga;
@@ -70,7 +80,7 @@
static void tosa_lcd_tg_init(struct tosa_lcd_data *data)
{
/* TG on */
- gpio_set_value(TOSA_GPIO_TG_ON, 0);
+ gpiod_set_value(data->gpiod_tg, 0);
mdelay(60);
@@ -97,18 +107,19 @@
/* TG LCD GVSS */
tosa_tg_send(spi, TG_PINICTL, 0x0);
- if (!data->i2c) {
+ if (IS_ERR_OR_NULL(data->i2c)) {
/*
* after the pannel is powered up the first time,
* we can access the i2c bus so probe for the DAC
*/
struct i2c_adapter *adap = i2c_get_adapter(0);
struct i2c_board_info info = {
+ .dev_name = "tosa-bl",
.type = "tosa-bl",
.addr = DAC_BASE,
.platform_data = data->spi,
};
- data->i2c = i2c_new_device(adap, &info);
+ data->i2c = i2c_new_client_device(adap, &info);
}
}
@@ -125,7 +136,7 @@
mdelay(50);
/* TG Off */
- gpio_set_value(TOSA_GPIO_TG_ON, 1);
+ gpiod_set_value(data->gpiod_tg, 1);
mdelay(100);
}
@@ -195,10 +206,9 @@
data->spi = spi;
spi_set_drvdata(spi, data);
- ret = devm_gpio_request_one(&spi->dev, TOSA_GPIO_TG_ON,
- GPIOF_OUT_INIT_LOW, "tg #pwr");
- if (ret < 0)
- return ret;
+ data->gpiod_tg = devm_gpiod_get(&spi->dev, "tg #pwr", GPIOD_OUT_LOW);
+ if (IS_ERR(data->gpiod_tg))
+ return PTR_ERR(data->gpiod_tg);
mdelay(60);
@@ -226,8 +236,7 @@
{
struct tosa_lcd_data *data = spi_get_drvdata(spi);
- if (data->i2c)
- i2c_unregister_device(data->i2c);
+ i2c_unregister_device(data->i2c);
tosa_lcd_tg_off(data);
--
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