Is most drivers interfaces should be driver or application specific?

[Sebastian Huber]

On 14.09.22 11:55, Y. HB wrote:
> Hello all.
> 
> I'm writing drivers ( like ADC ) for tms570 on RTEMS.
> To my understanding for now, there are two ways to implement non common 
> interface drivers.
> 1. write a specific driver.h/.c pair to be called like PWM driver inside 
> bsps/arm/beagle/
> 2. use I/O Manager interfaces.
> 
> The latter IO Manager way still requires a specific void * argument to 
> pass actual parameters into the driver, but at least it could provide a 
> way to make application specific or general driver interface not SoC / 
> Device specific.
> 
> Is my understanding correct?

I would not use the IO Manager for new drivers. It would introduced 
overheads and leads to difficult to use interfaces (ioctl).

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