113 lines
2.6 KiB
C
113 lines
2.6 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* DRM driver for Solomon SSD130x OLED displays (I2C bus)
|
||
|
|
*
|
||
|
|
* Copyright 2022 Red Hat Inc.
|
||
|
|
* Author: Javier Martinez Canillas <javierm@redhat.com>
|
||
|
|
*
|
||
|
|
* Based on drivers/video/fbdev/ssd1307fb.c
|
||
|
|
* Copyright 2012 Free Electrons
|
||
|
|
*/
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
|
||
|
|
#include "ssd130x.h"
|
||
|
|
|
||
|
|
#define DRIVER_NAME "ssd130x-i2c"
|
||
|
|
#define DRIVER_DESC "DRM driver for Solomon SSD130x OLED displays (I2C)"
|
||
|
|
|
||
|
|
static const struct regmap_config ssd130x_i2c_regmap_config = {
|
||
|
|
.reg_bits = 8,
|
||
|
|
.val_bits = 8,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int ssd130x_i2c_probe(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct ssd130x_device *ssd130x;
|
||
|
|
struct regmap *regmap;
|
||
|
|
|
||
|
|
regmap = devm_regmap_init_i2c(client, &ssd130x_i2c_regmap_config);
|
||
|
|
if (IS_ERR(regmap))
|
||
|
|
return PTR_ERR(regmap);
|
||
|
|
|
||
|
|
ssd130x = ssd130x_probe(&client->dev, regmap);
|
||
|
|
if (IS_ERR(ssd130x))
|
||
|
|
return PTR_ERR(ssd130x);
|
||
|
|
|
||
|
|
i2c_set_clientdata(client, ssd130x);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ssd130x_i2c_remove(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct ssd130x_device *ssd130x = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
ssd130x_remove(ssd130x);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void ssd130x_i2c_shutdown(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
struct ssd130x_device *ssd130x = i2c_get_clientdata(client);
|
||
|
|
|
||
|
|
ssd130x_shutdown(ssd130x);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id ssd130x_of_match[] = {
|
||
|
|
{
|
||
|
|
.compatible = "sinowealth,sh1106",
|
||
|
|
.data = &ssd130x_variants[SH1106_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1305",
|
||
|
|
.data = &ssd130x_variants[SSD1305_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1306",
|
||
|
|
.data = &ssd130x_variants[SSD1306_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1307",
|
||
|
|
.data = &ssd130x_variants[SSD1307_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1309",
|
||
|
|
.data = &ssd130x_variants[SSD1309_ID],
|
||
|
|
},
|
||
|
|
/* Deprecated but kept for backward compatibility */
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1305fb-i2c",
|
||
|
|
.data = &ssd130x_variants[SSD1305_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1306fb-i2c",
|
||
|
|
.data = &ssd130x_variants[SSD1306_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1307fb-i2c",
|
||
|
|
.data = &ssd130x_variants[SSD1307_ID],
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.compatible = "solomon,ssd1309fb-i2c",
|
||
|
|
.data = &ssd130x_variants[SSD1309_ID],
|
||
|
|
},
|
||
|
|
{ /* sentinel */ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, ssd130x_of_match);
|
||
|
|
|
||
|
|
static struct i2c_driver ssd130x_i2c_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = DRIVER_NAME,
|
||
|
|
.of_match_table = ssd130x_of_match,
|
||
|
|
},
|
||
|
|
.probe_new = ssd130x_i2c_probe,
|
||
|
|
.remove = ssd130x_i2c_remove,
|
||
|
|
.shutdown = ssd130x_i2c_shutdown,
|
||
|
|
};
|
||
|
|
module_i2c_driver(ssd130x_i2c_driver);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION(DRIVER_DESC);
|
||
|
|
MODULE_AUTHOR("Javier Martinez Canillas <javierm@redhat.com>");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_IMPORT_NS(DRM_SSD130X);
|