drivers: display: Re-introduce SSD1327

This makes SSD1327 use the new L8 display format.
It also fixes all displays that didnt support the undocumented
monochrome mode.
It also adds i2c and revamps the entire driver.

Signed-off-by: Camille BAUD <[email protected]>

Author: VynDragon

drivers/display/Kconfig.ssd1327

@@ -4,10 +4,11 @@
 # SPDX-License-Identifier: Apache-2.0
 
 menuconfig SSD1327
-	bool "SSD1327 display driver"
+	bool "SSD1327 display controller driver"
 	default y
 	depends on DT_HAS_SOLOMON_SSD1327FB_ENABLED
-	select MIPI_DBI
+	select I2C if $(dt_compat_on_bus,$(DT_COMPAT_SOLOMON_SSD1327FB),i2c)
+	select MIPI_DBI if $(dt_compat_on_bus,$(DT_COMPAT_SOLOMON_SSD1327FB),mipi-dbi)
 	help
 	  Enable driver for SSD1327 display.
 
@@ -20,4 +21,9 @@ config SSD1327_DEFAULT_CONTRAST
 	help
 	  SSD1327 default contrast.
 
+config SSD1327_CONV_BUFFER_LINES
+	int "How many lines can the conversion buffer hold"
+	default 1
+	range 1 128
+
 endif # SSD1327