flexfb

Generic driver for various LCD Controllers.

Note: Will be available in the next image after 2013-04-11

This driver tries to be a solution for the many LCD Controllers available, without having to write drivers for them all.
One strength is that it is runtime configurable. Download image and start using with an "unsupported" display.

The driver supports both SPI devices: flexfb and platform devices: flexpfb. spidevices has support for both.

Parameters

• height
  Display height (required)
• width
  Display width (required)
• init
  Init sequence (required)
  Markers: -1: command begin, -2: millisecond delay, -3: end of init sequence
  No spaces allowed
• setaddrwin
  Which set_addr_win() implementation to use
  0 - st7735r, hx8340
  1 - ili9320, ili9325
• buswidth
  Width of databus (default: 8)
• regwidth
  Width of controller register (default: 8)
• nobacklight
  Turn off backlight functionality.

Sainsmart 1.8"

Emulating sainsmart18fb

modprobe spidevices name=flexfb
modprobe flexfb width=128 height=160 init=-1,0x01,-2,150,-1,0x11,-2,500,-1,0xB1,0x01,0x2C,0x2D,-1,0xB2,0x01,0x2C,0x2D,-1,0xB3,0x01,0x2C,0x2D,0x01,0x2C,0x2D,-1,0xB4,0x07,-1,0xC0,0xA2,0x02,0x84,-1,0xC1,0xC5,-1,0xC2,0x0A,0x00,-1,0xC3,0x8A,0x2A,-1,0xC4,0x8A,0xEE,-1,0xC5,0x0E,-1,0x20,-1,0x36,0xC0,-1,0x3A,0x05,-1,0xE0,0x0f,0x1a,0x0f,0x18,0x2f,0x28,0x20,0x22,0x1f,0x1b,0x23,0x37,0x00,0x07,0x02,0x10,-1,0xE1,0x0f,0x1b,0x0f,0x17,0x33,0x2c,0x29,0x2e,0x30,0x30,0x39,0x3f,0x00,0x07,0x03,0x10,-1,0x29,-2,100,-1,0x13,-2,10,-3

Adafruit 2.2"

Emulating adafruit22fb (no 9-bit emulation support).

modprobe spidevices name=flexfb
modprobe flexfb width=176 height=220 buswidth=9 init=-1,0xC1,0xFF,0x83,0x40,-1,0x11,-2,150,-1,0xCA,0x70,0x00,0xD9,-1,0xB0,0x01,0x11,-1,0xC9,0x90,0x49,0x10,0x28,0x28,0x10,0x00,0x06,-2,20,-1,0xC2,0x60,0x71,0x01,0x0E,0x05,0x02,0x09,0x31,0x0A,-1,0xC3,0x67,0x30,0x61,0x17,0x48,0x07,0x05,0x33,-2,10,-1,0xB5,0x35,0x20,0x45,-1,0xB4,0x33,0x25,0x4C,-2,10,-1,0x3A,0x05,-1,0x29,-2,10,-3

ITDB02-2.8

Emulating itdb28fb

modprobe spidevices name=flexpfb
modprobe flexfb width=240 height=320 regwidth=16 setaddrwin=1 init=-1,0x00E3,0x3008,-1,0x00E7,0x0012,-1,0x00EF,0x1231,-1,0x0001,0x0100,-1,0x0002,0x0700,-1,0x0003,0x1030,-1,0x0004,0x0000,-1,0x0008,0x0207,-1,0x0009,0x0000,-1,0x000A,0x0000,-1,0x000C,0x0000,-1,0x000D,0x0000,-1,0x000F,0x0000,-1,0x0010,0x0000,-1,0x0011,0x0007,-1,0x0012,0x0000,-1,0x0013,0x0000,-2,200,-1,0x0010,0x1690,-1,0x0011,0x0223,-2,50,-1,0x0012,0x000D,-2,50,-1,0x0013,0x1200,-1,0x0029,0x000A,-1,0x002B,0x000C,-2,50,-1,0x0020,0x0000,-1,0x0021,0x0000,-1,0x0030,0x0000,-1,0x0031,0x0506,-1,0x0032,0x0104,-1,0x0035,0x0207,-1,0x0036,0x000F,-1,0x0037,0x0306,-1,0x0038,0x0102,-1,0x0039,0x0707,-1,0x003C,0x0702,-1,0x003D,0x1604,-1,0x0050,0x0000,-1,0x0051,0x00EF,-1,0x0052,0x0000,-1,0x0053,0x013F,-1,0x0060,0xA700,-1,0x0061,0x0001,-1,0x006A,0x0000,-1,0x0080,0x0000,-1,0x0081,0x0000,-1,0x0082,0x0000,-1,0x0083,0x0000,-1,0x0084,0x0000,-1,0x0085,0x0000,-1,0x0090,0x0010,-1,0x0092,0x0600,-1,0x0007,0x0133,-3

ILI9320

Datasheet: http://www.techtoys.com.hk/Displays/TY240240320/ILI9320.pdf
Application notes: http://www.densitron.com/uploadedFiles/Displays/Support/ILI9320AN_V0.92.pdf

modprobe flexfb width=240 height=320 regwidth=16 setaddrwin=1 init=

Init sequence (from application note)
Power configuration will differ between displays. The values from the Application Notes has Vci=2.8, but most display modules will have Vci=3.3
See itdb28fb.c for ili9325 calculations.
Gamma curve also differs.

//*************Start Initial Sequence**********//
-1,0x00E5,0x8000,
-1,0x0000,0x0001,
-1,0x0001,0x0100,
-1,0x0002,0x0700,

RGB/BGR is set here
-1,0x0003,0x1030,

-1,0x0004,0x0000,
-1,0x0008,0x0202,
-1,0x0009,0x0000,
-1,0x000A,0x0000,
-1,0x000C,0x0000,
-1,0x000D,0x0000,
-1,0x000F,0x0000,
//*************Power On sequence****************//
-1,0x0010,0x0000,
-1,0x0011,0x0007,
-1,0x0012,0x0000,
-1,0x0013,0x0000,
-2,200,

The following 5 settings will differ between displays.
-1,0x0010,0x17B0,
-1,0x0011,0x0037,
-2,50,
-1,0x0012,0x013C,
-2,50,
-1,0x0013,0x1C00,
-1,0x0029,0x000E,
-2,50,

-1,0x0020,0x0000,
-1,0x0021,0x0000,
//-----------Adjust the Gamma Curve----------//
-1,0x0030,0x0000,
-1,0x0031,0x0505,
-1,0x0032,0x0004,
-1,0x0035,0x0006,
-1,0x0036,0x0707,
-1,0x0037,0x0105,
-1,0x0038,0x0002,
-1,0x0039,0x0707,
-1,0x003C,0x0704,
-1,0x003D,0x0807,

//------------------Set GRAMarea---------------//
-1,0x0050,0x0000,
-1,0x0051,0x00EF,
-1,0x0052,0x0000,
-1,0x0053,0x013F,
-1,0x0060,0x2700,
-1,0x0061,0x0001,
-1,0x006A,0x0000,
//--------------Partial Display Control---------//
-1,0x0080,0x0000,
-1,0x0081,0x0000,
-1,0x0082,0x0000,
-1,0x0083,0x0000,
-1,0x0084,0x0000,
-1,0x0085,0x0000,
//--------------Panel Control-------------------//
-1,0x0090,0x0010,
-1,0x0092,0x0000,
-1,0x0093,0x0003,
-1,0x0095,0x0110,
-1,0x0097,0x0000,
-1,0x0098,0x0000,
-1,0x0007,0x0173,
-3