77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Header file for:
|
|
* DRM driver for Solomon SSD130x OLED displays
|
|
*
|
|
* Copyright 2022 Red Hat Inc.
|
|
* Author: Javier Martinez Canillas <javierm@redhat.com>
|
|
*
|
|
* Based on drivers/video/fbdev/ssd1307fb.c
|
|
* Copyright 2012 Free Electrons
|
|
*/
|
|
|
|
#ifndef __SSD1307X_H__
|
|
#define __SSD1307X_H__
|
|
|
|
#include <drm/drm_drv.h>
|
|
#include <drm/drm_simple_kms_helper.h>
|
|
|
|
#include <linux/regmap.h>
|
|
|
|
struct ssd130x_deviceinfo {
|
|
u32 default_vcomh;
|
|
u32 default_dclk_div;
|
|
u32 default_dclk_frq;
|
|
int need_pwm;
|
|
int need_chargepump;
|
|
};
|
|
|
|
struct ssd130x_device {
|
|
struct drm_device drm;
|
|
struct device *dev;
|
|
struct drm_simple_display_pipe pipe;
|
|
struct drm_display_mode mode;
|
|
struct drm_connector connector;
|
|
struct i2c_client *client;
|
|
|
|
struct regmap *regmap;
|
|
|
|
const struct ssd130x_deviceinfo *device_info;
|
|
|
|
unsigned area_color_enable : 1;
|
|
unsigned com_invdir : 1;
|
|
unsigned com_lrremap : 1;
|
|
unsigned com_seq : 1;
|
|
unsigned lookup_table_set : 1;
|
|
unsigned low_power : 1;
|
|
unsigned seg_remap : 1;
|
|
u32 com_offset;
|
|
u32 contrast;
|
|
u32 dclk_div;
|
|
u32 dclk_frq;
|
|
u32 height;
|
|
u8 lookup_table[4];
|
|
u32 page_offset;
|
|
u32 col_offset;
|
|
u32 prechargep1;
|
|
u32 prechargep2;
|
|
|
|
struct backlight_device *bl_dev;
|
|
struct pwm_device *pwm;
|
|
struct gpio_desc *reset;
|
|
struct regulator *vcc_reg;
|
|
u32 vcomh;
|
|
u32 width;
|
|
/* Cached address ranges */
|
|
u8 col_start;
|
|
u8 col_end;
|
|
u8 page_start;
|
|
u8 page_end;
|
|
};
|
|
|
|
struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap);
|
|
int ssd130x_remove(struct ssd130x_device *ssd130x);
|
|
void ssd130x_shutdown(struct ssd130x_device *ssd130x);
|
|
|
|
#endif /* __SSD1307X_H__ */
|