aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb/frontends/l64781.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb/frontends/l64781.c')
-rw-r--r--drivers/media/dvb/frontends/l64781.c117
1 files changed, 62 insertions, 55 deletions
diff --git a/drivers/media/dvb/frontends/l64781.c b/drivers/media/dvb/frontends/l64781.c
index 445fa106806..36fcf559e36 100644
--- a/drivers/media/dvb/frontends/l64781.c
+++ b/drivers/media/dvb/frontends/l64781.c
@@ -117,18 +117,17 @@ static int reset_and_configure (struct l64781_state* state)
return (i2c_transfer(state->i2c, &msg, 1) == 1) ? 0 : -ENODEV;
}
-static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_parameters *param)
+static int apply_frontend_param(struct dvb_frontend *fe)
{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct l64781_state* state = fe->demodulator_priv;
/* The coderates for FEC_NONE, FEC_4_5 and FEC_FEC_6_7 are arbitrary */
static const u8 fec_tab[] = { 7, 0, 1, 2, 9, 3, 10, 4 };
/* QPSK, QAM_16, QAM_64 */
static const u8 qam_tab [] = { 2, 4, 0, 6 };
- static const u8 bw_tab [] = { 8, 7, 6 }; /* 8Mhz, 7MHz, 6MHz */
static const u8 guard_tab [] = { 1, 2, 4, 8 };
/* The Grundig 29504-401.04 Tuner comes with 18.432MHz crystal. */
static const u32 ppm = 8000;
- struct dvb_ofdm_parameters *p = &param->u.ofdm;
u32 ddfs_offset_fixed;
/* u32 ddfs_offset_variable = 0x6000-((1000000UL+ppm)/ */
/* bw_tab[p->bandWidth]<<10)/15625; */
@@ -137,18 +136,29 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
u8 val0x04;
u8 val0x05;
u8 val0x06;
- int bw = p->bandwidth - BANDWIDTH_8_MHZ;
+ int bw;
+
+ switch (p->bandwidth_hz) {
+ case 8000000:
+ bw = 8;
+ break;
+ case 7000000:
+ bw = 7;
+ break;
+ case 6000000:
+ bw = 6;
+ break;
+ default:
+ return -EINVAL;
+ }
if (fe->ops.tuner_ops.set_params) {
- fe->ops.tuner_ops.set_params(fe, param);
+ fe->ops.tuner_ops.set_params(fe);
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
}
- if (param->inversion != INVERSION_ON &&
- param->inversion != INVERSION_OFF)
- return -EINVAL;
-
- if (bw < 0 || bw > 2)
+ if (p->inversion != INVERSION_ON &&
+ p->inversion != INVERSION_OFF)
return -EINVAL;
if (p->code_rate_HP != FEC_1_2 && p->code_rate_HP != FEC_2_3 &&
@@ -156,14 +166,14 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
p->code_rate_HP != FEC_7_8)
return -EINVAL;
- if (p->hierarchy_information != HIERARCHY_NONE &&
+ if (p->hierarchy != HIERARCHY_NONE &&
(p->code_rate_LP != FEC_1_2 && p->code_rate_LP != FEC_2_3 &&
p->code_rate_LP != FEC_3_4 && p->code_rate_LP != FEC_5_6 &&
p->code_rate_LP != FEC_7_8))
return -EINVAL;
- if (p->constellation != QPSK && p->constellation != QAM_16 &&
- p->constellation != QAM_64)
+ if (p->modulation != QPSK && p->modulation != QAM_16 &&
+ p->modulation != QAM_64)
return -EINVAL;
if (p->transmission_mode != TRANSMISSION_MODE_2K &&
@@ -174,22 +184,22 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
p->guard_interval > GUARD_INTERVAL_1_4)
return -EINVAL;
- if (p->hierarchy_information < HIERARCHY_NONE ||
- p->hierarchy_information > HIERARCHY_4)
+ if (p->hierarchy < HIERARCHY_NONE ||
+ p->hierarchy > HIERARCHY_4)
return -EINVAL;
- ddfs_offset_fixed = 0x4000-(ppm<<16)/bw_tab[p->bandwidth]/1000000;
+ ddfs_offset_fixed = 0x4000-(ppm<<16)/bw/1000000;
/* This works up to 20000 ppm, it overflows if too large ppm! */
init_freq = (((8UL<<25) + (8UL<<19) / 25*ppm / (15625/25)) /
- bw_tab[p->bandwidth] & 0xFFFFFF);
+ bw & 0xFFFFFF);
/* SPI bias calculation is slightly modified to fit in 32bit */
/* will work for high ppm only... */
spi_bias = 378 * (1 << 10);
spi_bias *= 16;
- spi_bias *= bw_tab[p->bandwidth];
- spi_bias *= qam_tab[p->constellation];
+ spi_bias *= bw;
+ spi_bias *= qam_tab[p->modulation];
spi_bias /= p->code_rate_HP + 1;
spi_bias /= (guard_tab[p->guard_interval] + 32);
spi_bias *= 1000;
@@ -199,10 +209,10 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
val0x04 = (p->transmission_mode << 2) | p->guard_interval;
val0x05 = fec_tab[p->code_rate_HP];
- if (p->hierarchy_information != HIERARCHY_NONE)
+ if (p->hierarchy != HIERARCHY_NONE)
val0x05 |= (p->code_rate_LP - FEC_1_2) << 3;
- val0x06 = (p->hierarchy_information << 2) | p->constellation;
+ val0x06 = (p->hierarchy << 2) | p->modulation;
l64781_writereg (state, 0x04, val0x04);
l64781_writereg (state, 0x05, val0x05);
@@ -220,7 +230,7 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
l64781_writereg (state, 0x1b, spi_bias & 0xff);
l64781_writereg (state, 0x1c, (spi_bias >> 8) & 0xff);
l64781_writereg (state, 0x1d, ((spi_bias >> 16) & 0x7f) |
- (param->inversion == INVERSION_ON ? 0x80 : 0x00));
+ (p->inversion == INVERSION_ON ? 0x80 : 0x00));
l64781_writereg (state, 0x22, ddfs_offset_fixed & 0xff);
l64781_writereg (state, 0x23, (ddfs_offset_fixed >> 8) & 0x3f);
@@ -233,8 +243,9 @@ static int apply_frontend_param (struct dvb_frontend* fe, struct dvb_frontend_pa
return 0;
}
-static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters* param)
+static int get_frontend(struct dvb_frontend *fe)
{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
struct l64781_state* state = fe->demodulator_priv;
int tmp;
@@ -242,98 +253,95 @@ static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters*
tmp = l64781_readreg(state, 0x04);
switch(tmp & 3) {
case 0:
- param->u.ofdm.guard_interval = GUARD_INTERVAL_1_32;
+ p->guard_interval = GUARD_INTERVAL_1_32;
break;
case 1:
- param->u.ofdm.guard_interval = GUARD_INTERVAL_1_16;
+ p->guard_interval = GUARD_INTERVAL_1_16;
break;
case 2:
- param->u.ofdm.guard_interval = GUARD_INTERVAL_1_8;
+ p->guard_interval = GUARD_INTERVAL_1_8;
break;
case 3:
- param->u.ofdm.guard_interval = GUARD_INTERVAL_1_4;
+ p->guard_interval = GUARD_INTERVAL_1_4;
break;
}
switch((tmp >> 2) & 3) {
case 0:
- param->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K;
+ p->transmission_mode = TRANSMISSION_MODE_2K;
break;
case 1:
- param->u.ofdm.transmission_mode = TRANSMISSION_MODE_8K;
+ p->transmission_mode = TRANSMISSION_MODE_8K;
break;
default:
- printk("Unexpected value for transmission_mode\n");
+ printk(KERN_WARNING "Unexpected value for transmission_mode\n");
}
-
-
tmp = l64781_readreg(state, 0x05);
switch(tmp & 7) {
case 0:
- param->u.ofdm.code_rate_HP = FEC_1_2;
+ p->code_rate_HP = FEC_1_2;
break;
case 1:
- param->u.ofdm.code_rate_HP = FEC_2_3;
+ p->code_rate_HP = FEC_2_3;
break;
case 2:
- param->u.ofdm.code_rate_HP = FEC_3_4;
+ p->code_rate_HP = FEC_3_4;
break;
case 3:
- param->u.ofdm.code_rate_HP = FEC_5_6;
+ p->code_rate_HP = FEC_5_6;
break;
case 4:
- param->u.ofdm.code_rate_HP = FEC_7_8;
+ p->code_rate_HP = FEC_7_8;
break;
default:
printk("Unexpected value for code_rate_HP\n");
}
switch((tmp >> 3) & 7) {
case 0:
- param->u.ofdm.code_rate_LP = FEC_1_2;
+ p->code_rate_LP = FEC_1_2;
break;
case 1:
- param->u.ofdm.code_rate_LP = FEC_2_3;
+ p->code_rate_LP = FEC_2_3;
break;
case 2:
- param->u.ofdm.code_rate_LP = FEC_3_4;
+ p->code_rate_LP = FEC_3_4;
break;
case 3:
- param->u.ofdm.code_rate_LP = FEC_5_6;
+ p->code_rate_LP = FEC_5_6;
break;
case 4:
- param->u.ofdm.code_rate_LP = FEC_7_8;
+ p->code_rate_LP = FEC_7_8;
break;
default:
printk("Unexpected value for code_rate_LP\n");
}
-
tmp = l64781_readreg(state, 0x06);
switch(tmp & 3) {
case 0:
- param->u.ofdm.constellation = QPSK;
+ p->modulation = QPSK;
break;
case 1:
- param->u.ofdm.constellation = QAM_16;
+ p->modulation = QAM_16;
break;
case 2:
- param->u.ofdm.constellation = QAM_64;
+ p->modulation = QAM_64;
break;
default:
- printk("Unexpected value for constellation\n");
+ printk(KERN_WARNING "Unexpected value for modulation\n");
}
switch((tmp >> 2) & 7) {
case 0:
- param->u.ofdm.hierarchy_information = HIERARCHY_NONE;
+ p->hierarchy = HIERARCHY_NONE;
break;
case 1:
- param->u.ofdm.hierarchy_information = HIERARCHY_1;
+ p->hierarchy = HIERARCHY_1;
break;
case 2:
- param->u.ofdm.hierarchy_information = HIERARCHY_2;
+ p->hierarchy = HIERARCHY_2;
break;
case 3:
- param->u.ofdm.hierarchy_information = HIERARCHY_4;
+ p->hierarchy = HIERARCHY_4;
break;
default:
printk("Unexpected value for hierarchy\n");
@@ -341,12 +349,12 @@ static int get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters*
tmp = l64781_readreg (state, 0x1d);
- param->inversion = (tmp & 0x80) ? INVERSION_ON : INVERSION_OFF;
+ p->inversion = (tmp & 0x80) ? INVERSION_ON : INVERSION_OFF;
tmp = (int) (l64781_readreg (state, 0x08) |
(l64781_readreg (state, 0x09) << 8) |
(l64781_readreg (state, 0x0a) << 16));
- param->frequency += tmp;
+ p->frequency += tmp;
return 0;
}
@@ -564,10 +572,9 @@ error:
}
static struct dvb_frontend_ops l64781_ops = {
-
+ .delsys = { SYS_DVBT },
.info = {
.name = "LSI L64781 DVB-T",
- .type = FE_OFDM,
/* .frequency_min = ???,*/
/* .frequency_max = ???,*/
.frequency_stepsize = 166666,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-29 14:40:24 +0000