Resizer Driver
Constraints
Version 02.01.01.08
Platform Support Products
125
7.2.2.3.6. Configuring the Read cycle for Resizer module
ISP module supports configuration of number of clock cycles between two
consecutive read request from resizer module. Value supported is 0 - 0x3FF.
unsigned int read_exp;
read_exp = 0xe;
ret_val = ioctl(fd, RSZ_S_EXP, &read_exp);
if (ret_val){
printf("\nUnable to set the read cycle expand register\n");
return ret_val;
}
The default configuration of read cycle is 0xE.
7.2.3. Constraints
•
For driver allocated buffers, driver allocates maximum size of buffers for
both input and output.
•
All input/output buffers addresses and pitch must be 32 bytes aligned.
•
Output image size cannot be more than 2047x2047.
•
Output width must be even.
•
Output width must be 16 byte aligned for vertical resizing.
•
The horizontal start pixel must be within the range: 0 to 15 for color
interleaved, 0 to 31 for color separate data.
Summary of Contents for OMAP35 Series
Page 1: ...OMAP35x EVM Linux PSP User Guide 02 01 01 08 Published 22 May 2009 ...
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