On Sun, May 07, 2006, Johannes Stezenbach wrote:
> After sleeping it over, I think it would be
> easier to understand and use to add a seperate ioctl:
>
> // get bit set of supported delivery systems
> #define FE_GET_DELSYS _IOR('o', 84, enum fe_delsys)
> // get capabilites for one delivery system
> #define FE_GET_CAPS _IOWR('o', 85, struct dvb_frontend_cap)
Or maybe:
struct dvb_frontend_type {
char name[128];
__u32 delivery_systems; // bitset
};
#define FE_GET_TYPE _IOR('o', 84, struct dvb_frontend_type)
struct struct dvb_frontend_cap {
enum fe_delsys delivery_system; // input
// output
__u32 frequency_min;
__u32 frequency_max;
__u32 frequency_stepsize;
__u32 frequency_tolerance;
__u32 symbol_rate_min;
__u32 symbol_rate_max;
__u32 symbol_rate_tolerance;
__u8 pad1[32];
union {
struct dvbs_params dvbs;
...
__u8 pad2[128];
};
#define FE_GET_CAPS _IOWR('o', 85, struct dvb_frontend_cap)
Johannes
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