serializer ub941 settting:
ds90ub941_init_setting{
0x01,0x08,
0x4F,0x8C, //Set DSI_CONTINUOUS_CLOCK, 4 lanes, DSI Port 0
0x32,0x80, //Set the line size to 1920(LSB)
0x33,0x07, //Set the line size to 1920 (MSB)
0x1E,0x01, //Select FPD-Link III Port 1
0x36,0x00, //Set crop start X position to 0 (LSB)
0x37,0x80, //Set crop start X position to 0 (MSB) and enable cropping
0x38,0x7F, //Set crop stop X position to 1919 (LSB)
0x39,0x07, //Set crop stop X position to 1919 (MSB)
0x3A,0x00, //Set crop start Y position to 0 (LSB)
0x3B,0x00, //Set crop start Y position to 0 (MSB)
0x3C,0xCF, //Set crop stop Y position to 719 (LSB)
0x3D,0x02, //Set crop stop Y position to 719 (MSB)
0x1E,0x02, //Select FPD-Link III Port 1
0x36,0x00, //Set crop start X position to 0 (LSB)
0x37,0x80, //Set crop start X position to 0 (MSB) and enable cropping
0x38,0x7F, //Set crop stop X position to 1919 (LSB)
0x39,0x07, //Set crop stop X position to 1919 (MSB)
0x3A,0x00, //Set crop start Y position to 0 (LSB)
0x3B,0x00, //Set crop start Y position to 0 (MSB)
0x3C,0xCF, //Set crop stop Y position to 719 (LSB)
0x3D,0x02, //Set crop stop Y position to 719 (MSB)
0x40,0x04, //Select DSI Port 0 digital registers
0x41,0x05, //Select DPHY_SKIP_TIMING register
0x42,0x1E, //Write TSKIP_CNT value for 300 MHz DSI clock frequency
0x40,0x10, // Init DSI clock settings (section 10.2 of the datasheet)
0x41,0x86,
0x42,0x0A,
0x41,0x94,
0x42,0x0A,
0x1e,0x01, //port0 i2c passthrough
0x03,0x9a,
0x1e,0x02, //port1 i2c passthrough
0x03,0x9a,
0x1e,0x01,
0x07,0x30, // map port1 remote slave(backlight1)0x15 to 0x15
0x08,0x30,
0x1e,0x02,
0x07,0xD6, // map port2 remote slave(backlight2)0x6b to 0x6b
0x08,0xD6,
0x70,0x68, // map DES1 0x34
0x77,0x68,
0x71,0x58, // map DES2 0x2C
0x78,0x58,
0x1e,0x01, //passthrough i2c dev to soc side
0x17,0x9e,
0x0d,0x37, //config for gpio0
0x1e,0x02,
0x17,0x9e,
0x0d,0x37, //config for dgpio0
0x1e,0x04,
0x17,0x9e,
};
Curret Status:
1. i2c wrtie/read serializer ub941 is ok.
2. ub941's reg 0x06 could readback DES1 addr 0x68, DES2 addr 0x58;
3. host write remote device "DES1(0x34), DES1(0x2c), BL1(0x15)， BL2(0x6b)" return error code "I2C_ERROR_ADDR_NACK";
DES1 setting = {
0x01 0xff
0x1d 0x13
0x26 0x15
0x27 0x15
0x41 0x1f
0x4b 0x0a
}
DES2 setting = {
0x01 0xff
0x1d 0x13
0x26 0x15
0x27 0x15
0x41 0x1f
0x4b 0x0a
}
What's the trouble? and how to config ub941?
