DVB (2446): Minor cleanups.

- Minor cleanups.

Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
This commit is contained in:
Johannes Stezenbach 2006-01-09 15:25:08 -02:00 committed by Mauro Carvalho Chehab
parent b79cb6531d
commit e3b152bc9e
2 changed files with 192 additions and 189 deletions

View File

@ -33,8 +33,8 @@ static int debug;
if (debug) printk (KERN_DEBUG "cx24123: " args); \
} while (0)
struct cx24123_state {
struct cx24123_state
{
struct i2c_adapter* i2c;
struct dvb_frontend_ops ops;
const struct cx24123_config* config;
@ -56,6 +56,148 @@ struct cx24123_state {
u32 currentsymbolrate;
};
/* Various tuner defaults need to be established for a given symbol rate Sps */
static struct
{
u32 symbolrate_low;
u32 symbolrate_high;
u32 VCAslope;
u32 VCAoffset;
u32 VGA1offset;
u32 VGA2offset;
u32 VCAprogdata;
u32 VGAprogdata;
} cx24123_AGC_vals[] =
{
{
.symbolrate_low = 1000000,
.symbolrate_high = 4999999,
.VCAslope = 0x07,
.VCAoffset = 0x0f,
.VGA1offset = 0x1f8,
.VGA2offset = 0x1f8,
.VGAprogdata = (2 << 18) | (0x1f8 << 9) | 0x1f8,
.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x07,
},
{
.symbolrate_low = 5000000,
.symbolrate_high = 14999999,
.VCAslope = 0x1f,
.VCAoffset = 0x1f,
.VGA1offset = 0x1e0,
.VGA2offset = 0x180,
.VGAprogdata = (2 << 18) | (0x180 << 9) | 0x1e0,
.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x1f,
},
{
.symbolrate_low = 15000000,
.symbolrate_high = 45000000,
.VCAslope = 0x3f,
.VCAoffset = 0x3f,
.VGA1offset = 0x180,
.VGA2offset = 0x100,
.VGAprogdata = (2 << 18) | (0x100 << 9) | 0x180,
.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x3f,
},
};
/*
* Various tuner defaults need to be established for a given frequency kHz.
* fixme: The bounds on the bands do not match the doc in real life.
* fixme: Some of them have been moved, other might need adjustment.
*/
static struct
{
u32 freq_low;
u32 freq_high;
u32 bandselect;
u32 VCOdivider;
u32 VCOnumber;
u32 progdata;
} cx24123_bandselect_vals[] =
{
{
.freq_low = 950000,
.freq_high = 1018999,
.bandselect = 0x40,
.VCOdivider = 4,
.VCOnumber = 7,
.progdata = (0 << 18) | (0 << 9) | 0x40,
},
{
.freq_low = 1019000,
.freq_high = 1074999,
.bandselect = 0x80,
.VCOdivider = 4,
.VCOnumber = 8,
.progdata = (0 << 18) | (0 << 9) | 0x80,
},
{
.freq_low = 1075000,
.freq_high = 1227999,
.bandselect = 0x01,
.VCOdivider = 2,
.VCOnumber = 1,
.progdata = (0 << 18) | (1 << 9) | 0x01,
},
{
.freq_low = 1228000,
.freq_high = 1349999,
.bandselect = 0x02,
.VCOdivider = 2,
.VCOnumber = 2,
.progdata = (0 << 18) | (1 << 9) | 0x02,
},
{
.freq_low = 1350000,
.freq_high = 1481999,
.bandselect = 0x04,
.VCOdivider = 2,
.VCOnumber = 3,
.progdata = (0 << 18) | (1 << 9) | 0x04,
},
{
.freq_low = 1482000,
.freq_high = 1595999,
.bandselect = 0x08,
.VCOdivider = 2,
.VCOnumber = 4,
.progdata = (0 << 18) | (1 << 9) | 0x08,
},
{
.freq_low = 1596000,
.freq_high = 1717999,
.bandselect = 0x10,
.VCOdivider = 2,
.VCOnumber = 5,
.progdata = (0 << 18) | (1 << 9) | 0x10,
},
{
.freq_low = 1718000,
.freq_high = 1855999,
.bandselect = 0x20,
.VCOdivider = 2,
.VCOnumber = 6,
.progdata = (0 << 18) | (1 << 9) | 0x20,
},
{
.freq_low = 1856000,
.freq_high = 2035999,
.bandselect = 0x40,
.VCOdivider = 2,
.VCOnumber = 7,
.progdata = (0 << 18) | (1 << 9) | 0x40,
},
{
.freq_low = 2036000,
.freq_high = 2149999,
.bandselect = 0x80,
.VCOdivider = 2,
.VCOnumber = 8,
.progdata = (0 << 18) | (1 << 9) | 0x80,
},
};
static struct {
u8 reg;
u8 data;
@ -230,37 +372,41 @@ static int cx24123_set_fec(struct cx24123_state* state, fe_code_rate_t fec)
static int cx24123_get_fec(struct cx24123_state* state, fe_code_rate_t *fec)
{
int ret;
u8 val;
val = cx24123_readreg (state, 0x1b) & 0x07;
ret = cx24123_readreg (state, 0x1b);
if (ret < 0)
return ret;
val = ret & 0x07;
switch (val) {
case 1:
*fec = FEC_1_2;
return 0;
break;
case 3:
*fec = FEC_2_3;
return 0;
break;
case 4:
*fec = FEC_3_4;
return 0;
break;
case 5:
*fec = FEC_4_5;
return 0;
break;
case 6:
*fec = FEC_5_6;
return 0;
break;
case 7:
*fec = FEC_7_8;
return 0;
case 2: /* *fec=FEC_3_5; return 0; */
case 0: /* *fec=FEC_5_11; return 0; */
break;
case 2: /* *fec = FEC_3_5; break; */
case 0: /* *fec = FEC_5_11; break; */
*fec = FEC_AUTO;
return 0;
break;
default:
*fec=FEC_NONE; return 0;
*fec = FEC_NONE; // can't happen
}
return -EREMOTEIO;
return 0;
}
/* fixme: Symbol rates < 3MSps may not work because of precision loss */
@ -605,7 +751,8 @@ static void cx24123_release(struct dvb_frontend* fe)
static struct dvb_frontend_ops cx24123_ops;
struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, struct i2c_adapter* i2c)
struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
struct i2c_adapter* i2c)
{
struct cx24123_state* state = NULL;
int ret;
@ -691,4 +838,3 @@ MODULE_AUTHOR("Steven Toth");
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(cx24123_attach);

View File

@ -36,150 +36,7 @@ struct cx24123_config
int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
};
/* Various tuner defaults need to be established for a given symbol rate Sps */
struct
{
u32 symbolrate_low;
u32 symbolrate_high;
u32 VCAslope;
u32 VCAoffset;
u32 VGA1offset;
u32 VGA2offset;
u32 VCAprogdata;
u32 VGAprogdata;
} cx24123_AGC_vals[] =
{
{
.symbolrate_low = 1000000,
.symbolrate_high = 4999999,
.VCAslope = 0x07,
.VCAoffset = 0x0f,
.VGA1offset = 0x1f8,
.VGA2offset = 0x1f8,
.VGAprogdata = (2 << 18) | (0x1f8 << 9) | 0x1f8,
.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x07,
},
{
.symbolrate_low = 5000000,
.symbolrate_high = 14999999,
.VCAslope = 0x1f,
.VCAoffset = 0x1f,
.VGA1offset = 0x1e0,
.VGA2offset = 0x180,
.VGAprogdata = (2 << 18) | (0x180 << 9) | 0x1e0,
.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x1f,
},
{
.symbolrate_low = 15000000,
.symbolrate_high = 45000000,
.VCAslope = 0x3f,
.VCAoffset = 0x3f,
.VGA1offset = 0x180,
.VGA2offset = 0x100,
.VGAprogdata = (2 << 18) | (0x100 << 9) | 0x180,
.VCAprogdata = (4 << 18) | (0x07 << 9) | 0x3f,
},
};
/*
* Various tuner defaults need to be established for a given frequency kHz.
* fixme: The bounds on the bands do not match the doc in real life.
* fixme: Some of them have been moved, other might need adjustment.
*/
struct
{
u32 freq_low;
u32 freq_high;
u32 bandselect;
u32 VCOdivider;
u32 VCOnumber;
u32 progdata;
} cx24123_bandselect_vals[] =
{
{
.freq_low = 950000,
.freq_high = 1018999,
.bandselect = 0x40,
.VCOdivider = 4,
.VCOnumber = 7,
.progdata = (0 << 18) | (0 << 9) | 0x40,
},
{
.freq_low = 1019000,
.freq_high = 1074999,
.bandselect = 0x80,
.VCOdivider = 4,
.VCOnumber = 8,
.progdata = (0 << 18) | (0 << 9) | 0x80,
},
{
.freq_low = 1075000,
.freq_high = 1227999,
.bandselect = 0x01,
.VCOdivider = 2,
.VCOnumber = 1,
.progdata = (0 << 18) | (1 << 9) | 0x01,
},
{
.freq_low = 1228000,
.freq_high = 1349999,
.bandselect = 0x02,
.VCOdivider = 2,
.VCOnumber = 2,
.progdata = (0 << 18) | (1 << 9) | 0x02,
},
{
.freq_low = 1350000,
.freq_high = 1481999,
.bandselect = 0x04,
.VCOdivider = 2,
.VCOnumber = 3,
.progdata = (0 << 18) | (1 << 9) | 0x04,
},
{
.freq_low = 1482000,
.freq_high = 1595999,
.bandselect = 0x08,
.VCOdivider = 2,
.VCOnumber = 4,
.progdata = (0 << 18) | (1 << 9) | 0x08,
},
{
.freq_low = 1596000,
.freq_high = 1717999,
.bandselect = 0x10,
.VCOdivider = 2,
.VCOnumber = 5,
.progdata = (0 << 18) | (1 << 9) | 0x10,
},
{
.freq_low = 1718000,
.freq_high = 1855999,
.bandselect = 0x20,
.VCOdivider = 2,
.VCOnumber = 6,
.progdata = (0 << 18) | (1 << 9) | 0x20,
},
{
.freq_low = 1856000,
.freq_high = 2035999,
.bandselect = 0x40,
.VCOdivider = 2,
.VCOnumber = 7,
.progdata = (0 << 18) | (1 << 9) | 0x40,
},
{
.freq_low = 2036000,
.freq_high = 2149999,
.bandselect = 0x80,
.VCOdivider = 2,
.VCOnumber = 8,
.progdata = (0 << 18) | (1 << 9) | 0x80,
},
};
extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config,
struct i2c_adapter* i2c);
#endif /* CX24123_H */