aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/dvb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/frontends/mt2131.c2
-rw-r--r--drivers/media/dvb/frontends/s5h1409.c96
-rw-r--r--drivers/media/dvb/frontends/stv0297.c22
-rw-r--r--drivers/media/dvb/frontends/tda10021.c6
-rw-r--r--drivers/media/dvb/frontends/ves1820.c2
-rw-r--r--drivers/media/dvb/ttpci/Kconfig2
6 files changed, 112 insertions, 18 deletions
diff --git a/drivers/media/dvb/frontends/mt2131.c b/drivers/media/dvb/frontends/mt2131.c
index 4b93931de4e..13cf1666817 100644
--- a/drivers/media/dvb/frontends/mt2131.c
+++ b/drivers/media/dvb/frontends/mt2131.c
@@ -116,7 +116,7 @@ static int mt2131_set_params(struct dvb_frontend *fe,
f_lo1 = (f_lo1 / 250) * 250;
f_lo2 = f_lo1 - freq - MT2131_IF2;
- priv->frequency = (f_lo1 - f_lo2 - MT2131_IF2) * 1000,
+ priv->frequency = (f_lo1 - f_lo2 - MT2131_IF2) * 1000;
/* Frequency LO1 = 16MHz * (DIV1 + NUM1/8192 ) */
num1 = f_lo1 * 64 / (MT2131_FREF / 128);
diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c
index 30e8a705fad..8dee7ec9456 100644
--- a/drivers/media/dvb/frontends/s5h1409.c
+++ b/drivers/media/dvb/frontends/s5h1409.c
@@ -42,6 +42,9 @@ struct s5h1409_state {
fe_modulation_t current_modulation;
u32 current_frequency;
+
+ u32 is_qam_locked;
+ u32 qam_state;
};
static int debug = 0;
@@ -94,6 +97,7 @@ static struct init_tab {
{ 0xac, 0x1003, },
{ 0xad, 0x103f, },
{ 0xe2, 0x0100, },
+ { 0xe3, 0x0000, },
{ 0x28, 0x1010, },
{ 0xb1, 0x000e, },
};
@@ -335,6 +339,8 @@ static int s5h1409_softreset(struct dvb_frontend* fe)
s5h1409_writereg(state, 0xf5, 0);
s5h1409_writereg(state, 0xf5, 1);
+ state->is_qam_locked = 0;
+ state->qam_state = 0;
return 0;
}
@@ -349,6 +355,11 @@ static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz)
s5h1409_writereg(state, 0x87, 0x01be);
s5h1409_writereg(state, 0x88, 0x0436);
s5h1409_writereg(state, 0x89, 0x054d);
+ } else
+ if (KHz == 4000) {
+ s5h1409_writereg(state, 0x87, 0x014b);
+ s5h1409_writereg(state, 0x88, 0x0cb5);
+ s5h1409_writereg(state, 0x89, 0x03e2);
} else {
printk("%s() Invalid arg = %d KHz\n", __FUNCTION__, KHz);
ret = -1;
@@ -361,7 +372,7 @@ static int s5h1409_set_spectralinversion(struct dvb_frontend* fe, int inverted)
{
struct s5h1409_state* state = fe->demodulator_priv;
- dprintk("%s()\n", __FUNCTION__);
+ dprintk("%s(%d)\n", __FUNCTION__, inverted);
if(inverted == 1)
return s5h1409_writereg(state, 0x1b, 0x1101); /* Inverted */
@@ -382,14 +393,10 @@ static int s5h1409_enable_modulation(struct dvb_frontend* fe,
s5h1409_writereg(state, 0xf4, 0);
break;
case QAM_64:
- dprintk("%s() QAM_64\n", __FUNCTION__);
- s5h1409_writereg(state, 0xf4, 1);
- s5h1409_writereg(state, 0x85, 0x100);
- break;
case QAM_256:
- dprintk("%s() QAM_256\n", __FUNCTION__);
+ dprintk("%s() QAM_AUTO (64/256)\n", __FUNCTION__);
s5h1409_writereg(state, 0xf4, 1);
- s5h1409_writereg(state, 0x85, 0x101);
+ s5h1409_writereg(state, 0x85, 0x110);
break;
default:
dprintk("%s() Invalid modulation\n", __FUNCTION__);
@@ -423,7 +430,7 @@ static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable)
if (enable)
return s5h1409_writereg(state, 0xe3, 0x1100);
else
- return s5h1409_writereg(state, 0xe3, 0);
+ return s5h1409_writereg(state, 0xe3, 0x1000);
}
static int s5h1409_sleep(struct dvb_frontend* fe, int enable)
@@ -444,6 +451,66 @@ static int s5h1409_register_reset(struct dvb_frontend* fe)
return s5h1409_writereg(state, 0xfa, 0);
}
+static void s5h1409_set_qam_amhum_mode(struct dvb_frontend *fe)
+{
+ struct s5h1409_state *state = fe->demodulator_priv;
+ u16 reg;
+
+ if (state->is_qam_locked)
+ return;
+
+ /* QAM EQ lock check */
+ reg = s5h1409_readreg(state, 0xf0);
+
+ if ((reg >> 13) & 0x1) {
+
+ state->is_qam_locked = 1;
+ reg &= 0xff;
+
+ s5h1409_writereg(state, 0x96, 0x00c);
+ if ((reg < 0x38) || (reg > 0x68) ) {
+ s5h1409_writereg(state, 0x93, 0x3332);
+ s5h1409_writereg(state, 0x9e, 0x2c37);
+ } else {
+ s5h1409_writereg(state, 0x93, 0x3130);
+ s5h1409_writereg(state, 0x9e, 0x2836);
+ }
+
+ } else {
+ s5h1409_writereg(state, 0x96, 0x0008);
+ s5h1409_writereg(state, 0x93, 0x3332);
+ s5h1409_writereg(state, 0x9e, 0x2c37);
+ }
+}
+
+static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe)
+{
+ struct s5h1409_state *state = fe->demodulator_priv;
+ u16 reg, reg1, reg2;
+
+ reg = s5h1409_readreg(state, 0xf1);
+
+ /* Master lock */
+ if ((reg >> 15) & 0x1) {
+ if (state->qam_state != 2) {
+ state->qam_state = 2;
+ reg1 = s5h1409_readreg(state, 0xb2);
+ reg2 = s5h1409_readreg(state, 0xad);
+
+ s5h1409_writereg(state, 0x96, 0x20);
+ s5h1409_writereg(state, 0xad,
+ ( ((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)) );
+ s5h1409_writereg(state, 0xab, 0x1100);
+ }
+ } else {
+ if (state->qam_state != 1) {
+ state->qam_state = 1;
+ s5h1409_writereg(state, 0x96, 0x08);
+ s5h1409_writereg(state, 0xab, 0x1101);
+ }
+ }
+}
+
/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
static int s5h1409_set_frontend (struct dvb_frontend* fe,
struct dvb_frontend_parameters *p)
@@ -458,12 +525,21 @@ static int s5h1409_set_frontend (struct dvb_frontend* fe,
s5h1409_enable_modulation(fe, p->u.vsb.modulation);
+ /* Allow the demod to settle */
+ msleep(100);
+
if (fe->ops.tuner_ops.set_params) {
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1);
fe->ops.tuner_ops.set_params(fe, p);
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
}
+ /* Optimize the demod for QAM */
+ if (p->u.vsb.modulation != VSB_8) {
+ s5h1409_set_qam_amhum_mode(fe);
+ s5h1409_set_qam_interleave_mode(fe);
+ }
+
return 0;
}
@@ -495,8 +571,8 @@ static int s5h1409_init (struct dvb_frontend* fe)
s5h1409_set_gpio(fe, state->config->gpio);
s5h1409_softreset(fe);
- /* Note: Leaving the I2C gate open here. */
- s5h1409_i2c_gate_ctrl(fe, 1);
+ /* Note: Leaving the I2C gate closed. */
+ s5h1409_i2c_gate_ctrl(fe, 0);
return 0;
}
diff --git a/drivers/media/dvb/frontends/stv0297.c b/drivers/media/dvb/frontends/stv0297.c
index 17e5cb561cd..7c23775f77d 100644
--- a/drivers/media/dvb/frontends/stv0297.c
+++ b/drivers/media/dvb/frontends/stv0297.c
@@ -358,11 +358,23 @@ static int stv0297_read_ber(struct dvb_frontend *fe, u32 * ber)
static int stv0297_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
{
struct stv0297_state *state = fe->demodulator_priv;
- u8 STRENGTH[2];
-
- stv0297_readregs(state, 0x41, STRENGTH, 2);
- *strength = (STRENGTH[1] & 0x03) << 8 | STRENGTH[0];
-
+ u8 STRENGTH[3];
+ u16 tmp;
+
+ stv0297_readregs(state, 0x41, STRENGTH, 3);
+ tmp = (STRENGTH[1] & 0x03) << 8 | STRENGTH[0];
+ if (STRENGTH[2] & 0x20) {
+ if (tmp < 0x200)
+ tmp = 0;
+ else
+ tmp = tmp - 0x200;
+ } else {
+ if (tmp > 0x1ff)
+ tmp = 0;
+ else
+ tmp = 0x1ff - tmp;
+ }
+ *strength = (tmp << 7) | (tmp >> 2);
return 0;
}
diff --git a/drivers/media/dvb/frontends/tda10021.c b/drivers/media/dvb/frontends/tda10021.c
index 4cd9e82c466..45137d2ebfb 100644
--- a/drivers/media/dvb/frontends/tda10021.c
+++ b/drivers/media/dvb/frontends/tda10021.c
@@ -301,6 +301,8 @@ static int tda10021_read_ber(struct dvb_frontend* fe, u32* ber)
u32 _ber = tda10021_readreg(state, 0x14) |
(tda10021_readreg(state, 0x15) << 8) |
((tda10021_readreg(state, 0x16) & 0x0f) << 16);
+ _tda10021_writereg(state, 0x10, (tda10021_readreg(state, 0x10) & ~0xc0)
+ | (tda10021_inittab[0x10] & 0xc0));
*ber = 10 * _ber;
return 0;
@@ -310,7 +312,11 @@ static int tda10021_read_signal_strength(struct dvb_frontend* fe, u16* strength)
{
struct tda10021_state* state = fe->demodulator_priv;
+ u8 config = tda10021_readreg(state, 0x02);
u8 gain = tda10021_readreg(state, 0x17);
+ if (config & 0x02)
+ /* the agc value is inverted */
+ gain = ~gain;
*strength = (gain << 8) | gain;
return 0;
diff --git a/drivers/media/dvb/frontends/ves1820.c b/drivers/media/dvb/frontends/ves1820.c
index 066b73b7569..60433b5011f 100644
--- a/drivers/media/dvb/frontends/ves1820.c
+++ b/drivers/media/dvb/frontends/ves1820.c
@@ -47,7 +47,7 @@ struct ves1820_state {
static int verbose;
static u8 ves1820_inittab[] = {
- 0x69, 0x6A, 0x93, 0x12, 0x12, 0x46, 0x26, 0x1A,
+ 0x69, 0x6A, 0x93, 0x1A, 0x12, 0x46, 0x26, 0x1A,
0x43, 0x6A, 0xAA, 0xAA, 0x1E, 0x85, 0x43, 0x20,
0xE0, 0x00, 0xA1, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
diff --git a/drivers/media/dvb/ttpci/Kconfig b/drivers/media/dvb/ttpci/Kconfig
index 6d53289b327..54b91f26ca6 100644
--- a/drivers/media/dvb/ttpci/Kconfig
+++ b/drivers/media/dvb/ttpci/Kconfig
@@ -84,7 +84,7 @@ config DVB_BUDGET
config DVB_BUDGET_CI
tristate "Budget cards with onboard CI connector"
- depends on DVB_CORE && PCI && I2C && VIDEO_V4L1
+ depends on DVB_CORE && PCI && I2C && VIDEO_V4L1 && INPUT
select VIDEO_SAA7146
select DVB_STV0297 if !DVB_FE_CUSTOMISE
select DVB_STV0299 if !DVB_FE_CUSTOMISE
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 11:07:27 +0000