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[media] cx22700: 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 2011-12-22 10:14:08 -03:00
parent a27378c602
commit fd6072122f
1 changed files with 28 additions and 24 deletions
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52
drivers/media/dvb/frontends/cx22700.c
View File

@ -121,7 +121,8 @@ static int cx22700_set_inversion (struct cx22700_state* state, int inversion)
}
}
static int cx22700_set_tps (struct cx22700_state *state, struct dvb_ofdm_parameters *p)
static int cx22700_set_tps(struct cx22700_state *state,
struct dtv_frontend_properties *p)
{
static const u8 qam_tab [4] = { 0, 1, 0, 2 };
static const u8 fec_tab [6] = { 0, 1, 2, 0, 3, 4 };
@ -146,25 +147,25 @@ static int cx22700_set_tps (struct cx22700_state *state, struct dvb_ofdm_paramet
p->transmission_mode != TRANSMISSION_MODE_8K)
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->hierarchy_information < HIERARCHY_NONE ||
p->hierarchy_information > HIERARCHY_4)
if (p->hierarchy < HIERARCHY_NONE ||
p->hierarchy > HIERARCHY_4)
return -EINVAL;
if (p->bandwidth < BANDWIDTH_8_MHZ || p->bandwidth > BANDWIDTH_6_MHZ)
if (p->bandwidth_hz > 8000000 || p->bandwidth_hz < 6000000)
return -EINVAL;
if (p->bandwidth == BANDWIDTH_7_MHZ)
if (p->bandwidth_hz == 7000000)
cx22700_writereg (state, 0x09, cx22700_readreg (state, 0x09 | 0x10));
else
cx22700_writereg (state, 0x09, cx22700_readreg (state, 0x09 & ~0x10));
val = qam_tab[p->constellation - QPSK];
val |= p->hierarchy_information - HIERARCHY_NONE;
val = qam_tab[p->modulation - QPSK];
val |= p->hierarchy - HIERARCHY_NONE;
cx22700_writereg (state, 0x04, val);
@ -184,7 +185,8 @@ static int cx22700_set_tps (struct cx22700_state *state, struct dvb_ofdm_paramet
return 0;
}
static int cx22700_get_tps (struct cx22700_state* state, struct dvb_ofdm_parameters *p)
static int cx22700_get_tps(struct cx22700_state *state,
struct dtv_frontend_properties *p)
{
static const fe_modulation_t qam_tab [3] = { QPSK, QAM_16, QAM_64 };
static const fe_code_rate_t fec_tab [5] = { FEC_1_2, FEC_2_3, FEC_3_4,
@ -199,14 +201,14 @@ static int cx22700_get_tps (struct cx22700_state* state, struct dvb_ofdm_paramet
val = cx22700_readreg (state, 0x01);
if ((val & 0x7) > 4)
p->hierarchy_information = HIERARCHY_AUTO;
p->hierarchy = HIERARCHY_AUTO;
else
p->hierarchy_information = HIERARCHY_NONE + (val & 0x7);
p->hierarchy = HIERARCHY_NONE + (val & 0x7);
if (((val >> 3) & 0x3) > 2)
p->constellation = QAM_AUTO;
p->modulation = QAM_AUTO;
else
p->constellation = qam_tab[(val >> 3) & 0x3];
p->modulation = qam_tab[(val >> 3) & 0x3];
val = cx22700_readreg (state, 0x02);
@ -318,8 +320,9 @@ static int cx22700_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
return 0;
}
static int cx22700_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
static int cx22700_set_frontend(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct cx22700_state* state = fe->demodulator_priv;
cx22700_writereg (state, 0x00, 0x02); /* XXX CHECKME: soft reset*/
@ -330,21 +333,22 @@ static int cx22700_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
}
cx22700_set_inversion (state, p->inversion);
cx22700_set_tps (state, &p->u.ofdm);
cx22700_set_inversion(state, c->inversion);
cx22700_set_tps(state, c);
cx22700_writereg (state, 0x37, 0x01); /* PAL loop filter off */
cx22700_writereg (state, 0x00, 0x01); /* restart acquire */
return 0;
}
static int cx22700_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
static int cx22700_get_frontend(struct dvb_frontend *fe,
struct dtv_frontend_properties *c)
{
struct cx22700_state* state = fe->demodulator_priv;
u8 reg09 = cx22700_readreg (state, 0x09);
p->inversion = reg09 & 0x1 ? INVERSION_ON : INVERSION_OFF;
return cx22700_get_tps (state, &p->u.ofdm);
c->inversion = reg09 & 0x1 ? INVERSION_ON : INVERSION_OFF;
return cx22700_get_tps(state, c);
}
static int cx22700_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
@ -401,7 +405,7 @@ error:
}
static struct dvb_frontend_ops cx22700_ops = {
.delsys = { SYS_DVBT },
.info = {
.name = "Conexant CX22700 DVB-T",
.type = FE_OFDM,
@ -419,8 +423,8 @@ static struct dvb_frontend_ops cx22700_ops = {
.init = cx22700_init,
.i2c_gate_ctrl = cx22700_i2c_gate_ctrl,
.set_frontend_legacy = cx22700_set_frontend,
.get_frontend_legacy = cx22700_get_frontend,
.set_frontend = cx22700_set_frontend,
.get_frontend = cx22700_get_frontend,
.get_tune_settings = cx22700_get_tune_settings,
.read_status = cx22700_read_status,