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[media] mt352: convert set_fontend to use DVBv5 parameters 

Instead of using dvb_frontend_parameters struct, that were
designed for a subset of the supported standards, use the DVBv5
cache information.

Also, fill the supported delivery systems at dvb_frontend_ops
struct.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-12-26 12:23:01 -03:00
parent 2d76e22b70
commit cf45787ced
1 changed files with 30 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
drivers/media/dvb/frontends/mt352.c
View File

@ -111,20 +111,20 @@ static int mt352_sleep(struct dvb_frontend* fe)
}
static void mt352_calc_nominal_rate(struct mt352_state* state,
enum fe_bandwidth bandwidth,
u32 bandwidth,
unsigned char *buf)
{
u32 adc_clock = 20480; /* 20.340 MHz */
u32 bw,value;
switch (bandwidth) {
case BANDWIDTH_6_MHZ:
case 6000000:
bw = 6;
break;
case BANDWIDTH_7_MHZ:
case 7000000:
bw = 7;
break;
case BANDWIDTH_8_MHZ:
case 8000000:
default:
bw = 8;
break;
@ -166,15 +166,14 @@ static void mt352_calc_input_freq(struct mt352_state* state,
buf[1] = lsb(value);
}
static int mt352_set_parameters(struct dvb_frontend* fe,
struct dvb_frontend_parameters *param)
static int mt352_set_parameters(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *op = &fe->dtv_property_cache;
struct mt352_state* state = fe->demodulator_priv;
unsigned char buf[13];
static unsigned char tuner_go[] = { 0x5d, 0x01 };
static unsigned char fsm_go[] = { 0x5e, 0x01 };
unsigned int tps = 0;
struct dvb_ofdm_parameters *op = &param->u.ofdm;
switch (op->code_rate_HP) {
case FEC_2_3:
@ -213,14 +212,14 @@ static int mt352_set_parameters(struct dvb_frontend* fe,
case FEC_AUTO:
break;
case FEC_NONE:
if (op->hierarchy_information == HIERARCHY_AUTO ||
op->hierarchy_information == HIERARCHY_NONE)
if (op->hierarchy == HIERARCHY_AUTO ||
op->hierarchy == HIERARCHY_NONE)
break;
default:
return -EINVAL;
}
switch (op->constellation) {
switch (op->modulation) {
case QPSK:
break;
case QAM_AUTO:
@ -262,7 +261,7 @@ static int mt352_set_parameters(struct dvb_frontend* fe,
return -EINVAL;
}
switch (op->hierarchy_information) {
switch (op->hierarchy) {
case HIERARCHY_AUTO:
case HIERARCHY_NONE:
break;
@ -288,7 +287,7 @@ static int mt352_set_parameters(struct dvb_frontend* fe,
buf[3] = 0x50; // old
// buf[3] = 0xf4; // pinnacle
mt352_calc_nominal_rate(state, op->bandwidth, buf+4);
mt352_calc_nominal_rate(state, op->bandwidth_hz, buf+4);
mt352_calc_input_freq(state, buf+6);
if (state->config.no_tuner) {
@ -313,13 +312,12 @@ static int mt352_set_parameters(struct dvb_frontend* fe,
}
static int mt352_get_parameters(struct dvb_frontend* fe,
struct dvb_frontend_parameters *param)
struct dtv_frontend_properties *op)
{
struct mt352_state* state = fe->demodulator_priv;
u16 tps;
u16 div;
u8 trl;
struct dvb_ofdm_parameters *op = &param->u.ofdm;
static const u8 tps_fec_to_api[8] =
{
FEC_1_2,
@ -348,16 +346,16 @@ static int mt352_get_parameters(struct dvb_frontend* fe,
switch ( (tps >> 13) & 3)
{
case 0:
op->constellation = QPSK;
op->modulation = QPSK;
break;
case 1:
op->constellation = QAM_16;
op->modulation = QAM_16;
break;
case 2:
op->constellation = QAM_64;
op->modulation = QAM_64;
break;
default:
op->constellation = QAM_AUTO;
op->modulation = QAM_AUTO;
break;
}
@ -385,36 +383,36 @@ static int mt352_get_parameters(struct dvb_frontend* fe,
switch ( (tps >> 10) & 7)
{
case 0:
op->hierarchy_information = HIERARCHY_NONE;
op->hierarchy = HIERARCHY_NONE;
break;
case 1:
op->hierarchy_information = HIERARCHY_1;
op->hierarchy = HIERARCHY_1;
break;
case 2:
op->hierarchy_information = HIERARCHY_2;
op->hierarchy = HIERARCHY_2;
break;
case 3:
op->hierarchy_information = HIERARCHY_4;
op->hierarchy = HIERARCHY_4;
break;
default:
op->hierarchy_information = HIERARCHY_AUTO;
op->hierarchy = HIERARCHY_AUTO;
break;
}
param->frequency = ( 500 * (div - IF_FREQUENCYx6) ) / 3 * 1000;
op->frequency = (500 * (div - IF_FREQUENCYx6)) / 3 * 1000;
if (trl == 0x72)
op->bandwidth = BANDWIDTH_8_MHZ;
op->bandwidth_hz = 8000000;
else if (trl == 0x64)
op->bandwidth = BANDWIDTH_7_MHZ;
op->bandwidth_hz = 7000000;
else
op->bandwidth = BANDWIDTH_6_MHZ;
op->bandwidth_hz = 6000000;
if (mt352_read_register(state, STATUS_2) & 0x02)
param->inversion = INVERSION_OFF;
op->inversion = INVERSION_OFF;
else
param->inversion = INVERSION_ON;
op->inversion = INVERSION_ON;
return 0;
}
@ -569,7 +567,7 @@ error:
}
static struct dvb_frontend_ops mt352_ops = {
.delsys = { SYS_DVBT },
.info = {
.name = "Zarlink MT352 DVB-T",
.type = FE_OFDM,
@ -592,8 +590,8 @@ static struct dvb_frontend_ops mt352_ops = {
.sleep = mt352_sleep,
.write = _mt352_write,
.set_frontend_legacy = mt352_set_parameters,
.get_frontend_legacy = mt352_get_parameters,
.set_frontend = mt352_set_parameters,
.get_frontend = mt352_get_parameters,
.get_tune_settings = mt352_get_tune_settings,
.read_status = mt352_read_status,