Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/drivers/gpu/drm/solomon/ssd130x.h b/drivers/gpu/drm/solomon/ssd130x.h
new file mode 100644
index 0000000000..87968b3e7f
--- /dev/null
+++ b/drivers/gpu/drm/solomon/ssd130x.h
@@ -0,0 +1,100 @@
+/* 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 __SSD130X_H__
+#define __SSD130X_H__
+
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_plane_helper.h>
+
+#include <linux/regmap.h>
+
+#define SSD130X_DATA				0x40
+#define SSD130X_COMMAND				0x80
+
+enum ssd130x_variants {
+	SH1106_ID,
+	SSD1305_ID,
+	SSD1306_ID,
+	SSD1307_ID,
+	SSD1309_ID,
+	NR_SSD130X_VARIANTS
+};
+
+struct ssd130x_deviceinfo {
+	u32 default_vcomh;
+	u32 default_dclk_div;
+	u32 default_dclk_frq;
+	u32 default_width;
+	u32 default_height;
+	u32 page_height;
+	int need_pwm;
+	int need_chargepump;
+	bool page_mode_only;
+};
+
+struct ssd130x_device {
+	struct drm_device drm;
+	struct device *dev;
+	struct drm_display_mode mode;
+	struct drm_plane primary_plane;
+	struct drm_crtc crtc;
+	struct drm_encoder encoder;
+	struct drm_connector connector;
+	struct i2c_client *client;
+
+	struct regmap *regmap;
+
+	const struct ssd130x_deviceinfo *device_info;
+
+	unsigned page_address_mode : 1;
+	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;
+};
+
+extern const struct ssd130x_deviceinfo ssd130x_variants[];
+
+struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap);
+void ssd130x_remove(struct ssd130x_device *ssd130x);
+void ssd130x_shutdown(struct ssd130x_device *ssd130x);
+
+#endif /* __SSD130X_H__ */