summaryrefslogtreecommitdiff
path: root/linux/drivers/media/dvb/frontends/tda18271-fe.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux/drivers/media/dvb/frontends/tda18271-fe.c')
-rw-r--r--linux/drivers/media/dvb/frontends/tda18271-fe.c89
1 files changed, 38 insertions, 51 deletions
diff --git a/linux/drivers/media/dvb/frontends/tda18271-fe.c b/linux/drivers/media/dvb/frontends/tda18271-fe.c
index dfa7456de..7d1d13f22 100644
--- a/linux/drivers/media/dvb/frontends/tda18271-fe.c
+++ b/linux/drivers/media/dvb/frontends/tda18271-fe.c
@@ -38,8 +38,8 @@ static LIST_HEAD(hybrid_tuner_instance_list);
/*---------------------------------------------------------------------*/
static int tda18271_channel_configuration(struct dvb_frontend *fe,
- u32 ifc, u32 freq, u32 bw, u8 std,
- int radio)
+ struct tda18271_std_map_item *map,
+ u32 freq, u32 bw)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
@@ -49,7 +49,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
/* set standard */
regs[R_EP3] &= ~0x1f; /* clear std bits */
- regs[R_EP3] |= std;
+ regs[R_EP3] |= (map->agc_mode << 3) | map->std;
/* set cal mode to normal */
regs[R_EP4] &= ~0x03;
@@ -67,10 +67,9 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
break;
}
- if (radio)
- regs[R_EP4] |= 0x80;
- else
- regs[R_EP4] &= ~0x80;
+ /* update FM_RFn */
+ regs[R_EP4] &= ~0x80;
+ regs[R_EP4] |= map->fm_rfn << 7;
/* update RF_TOP / IF_TOP */
switch (priv->mode) {
@@ -115,7 +114,7 @@ static int tda18271_channel_configuration(struct dvb_frontend *fe,
/* --------------------------------------------------------------- */
- N = freq + ifc;
+ N = map->if_freq * 1000 + freq;
#if 1
/* FIXME: assumes master */
@@ -752,12 +751,12 @@ static int tda18271_init(struct dvb_frontend *fe)
}
static int tda18271_tune(struct dvb_frontend *fe,
- u32 ifc, u32 freq, u32 bw, u8 std, int radio)
+ struct tda18271_std_map_item *map, u32 freq, u32 bw)
{
struct tda18271_priv *priv = fe->tuner_priv;
- tda_dbg("freq = %d, ifc = %d, bw = %d, std = 0x%02x\n",
- freq, ifc, bw, std);
+ tda_dbg("freq = %d, ifc = %d, bw = %d, agc_mode = %d, std = %d\n",
+ freq, map->if_freq, bw, map->agc_mode, map->std);
tda18271_init(fe);
@@ -771,7 +770,7 @@ static int tda18271_tune(struct dvb_frontend *fe,
tda18271c2_rf_tracking_filters_correction(fe, freq);
break;
}
- tda18271_channel_configuration(fe, ifc, freq, bw, std, radio);
+ tda18271_channel_configuration(fe, map, freq, bw);
mutex_unlock(&priv->lock);
@@ -785,9 +784,8 @@ static int tda18271_set_params(struct dvb_frontend *fe,
{
struct tda18271_priv *priv = fe->tuner_priv;
struct tda18271_std_map *std_map = &priv->std;
+ struct tda18271_std_map_item *map;
int ret;
- u8 std;
- u16 sgIF;
u32 bw, freq = params->frequency;
priv->mode = TDA18271_DIGITAL;
@@ -796,13 +794,11 @@ static int tda18271_set_params(struct dvb_frontend *fe,
switch (params->u.vsb.modulation) {
case VSB_8:
case VSB_16:
- std = std_map->atsc_6.std_bits;
- sgIF = std_map->atsc_6.if_freq;
+ map = &std_map->atsc_6;
break;
case QAM_64:
case QAM_256:
- std = std_map->qam_6.std_bits;
- sgIF = std_map->qam_6.if_freq;
+ map = &std_map->qam_6;
break;
default:
tda_warn("modulation not set!\n");
@@ -817,18 +813,15 @@ static int tda18271_set_params(struct dvb_frontend *fe,
switch (params->u.ofdm.bandwidth) {
case BANDWIDTH_6_MHZ:
bw = 6000000;
- std = std_map->dvbt_6.std_bits;
- sgIF = std_map->dvbt_6.if_freq;
+ map = &std_map->dvbt_6;
break;
case BANDWIDTH_7_MHZ:
bw = 7000000;
- std = std_map->dvbt_7.std_bits;
- sgIF = std_map->dvbt_7.if_freq;
+ map = &std_map->dvbt_7;
break;
case BANDWIDTH_8_MHZ:
bw = 8000000;
- std = std_map->dvbt_8.std_bits;
- sgIF = std_map->dvbt_8.if_freq;
+ map = &std_map->dvbt_8;
break;
default:
tda_warn("bandwidth not set!\n");
@@ -843,7 +836,7 @@ static int tda18271_set_params(struct dvb_frontend *fe,
if (fe->ops.analog_ops.standby)
fe->ops.analog_ops.standby(fe);
- ret = tda18271_tune(fe, sgIF * 1000, freq, bw, std, 0);
+ ret = tda18271_tune(fe, map, freq, bw);
if (ret < 0)
goto fail;
@@ -860,57 +853,46 @@ static int tda18271_set_analog_params(struct dvb_frontend *fe,
{
struct tda18271_priv *priv = fe->tuner_priv;
struct tda18271_std_map *std_map = &priv->std;
+ struct tda18271_std_map_item *map;
char *mode;
- int ret, radio = 0;
- u8 std;
- u16 sgIF;
+ int ret;
u32 freq = params->frequency * 62500;
priv->mode = TDA18271_ANALOG;
if (params->mode == V4L2_TUNER_RADIO) {
- radio = 1;
freq = freq / 1000;
- std = std_map->fm_radio.std_bits;
- sgIF = std_map->fm_radio.if_freq;
+ map = &std_map->fm_radio;
mode = "fm";
} else if (params->std & V4L2_STD_MN) {
- std = std_map->atv_mn.std_bits;
- sgIF = std_map->atv_mn.if_freq;
+ map = &std_map->atv_mn;
mode = "MN";
} else if (params->std & V4L2_STD_B) {
- std = std_map->atv_b.std_bits;
- sgIF = std_map->atv_b.if_freq;
+ map = &std_map->atv_b;
mode = "B";
} else if (params->std & V4L2_STD_GH) {
- std = std_map->atv_gh.std_bits;
- sgIF = std_map->atv_gh.if_freq;
+ map = &std_map->atv_gh;
mode = "GH";
} else if (params->std & V4L2_STD_PAL_I) {
- std = std_map->atv_i.std_bits;
- sgIF = std_map->atv_i.if_freq;
+ map = &std_map->atv_i;
mode = "I";
} else if (params->std & V4L2_STD_DK) {
- std = std_map->atv_dk.std_bits;
- sgIF = std_map->atv_dk.if_freq;
+ map = &std_map->atv_dk;
mode = "DK";
} else if (params->std & V4L2_STD_SECAM_L) {
- std = std_map->atv_l.std_bits;
- sgIF = std_map->atv_l.if_freq;
+ map = &std_map->atv_l;
mode = "L";
} else if (params->std & V4L2_STD_SECAM_LC) {
- std = std_map->atv_lc.std_bits;
- sgIF = std_map->atv_lc.if_freq;
+ map = &std_map->atv_lc;
mode = "L'";
} else {
- std = std_map->atv_i.std_bits;
- sgIF = std_map->atv_i.if_freq;
+ map = &std_map->atv_i;
mode = "xx";
}
tda_dbg("setting tda18271 to system %s\n", mode);
- ret = tda18271_tune(fe, sgIF * 1000, freq, 0, std, radio);
+ ret = tda18271_tune(fe, map, freq, 0);
if (ret < 0)
goto fail;
@@ -969,15 +951,17 @@ static int tda18271_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
/* ------------------------------------------------------------------ */
#define tda18271_update_std(std_cfg, name) do { \
- if (map->std_cfg.if_freq + map->std_cfg.std_bits > 0) { \
+ if (map->std_cfg.if_freq + \
+ map->std_cfg.agc_mode + map->std_cfg.std > 0) { \
tda_dbg("Using custom std config for %s\n", name); \
memcpy(&std->std_cfg, &map->std_cfg, \
sizeof(struct tda18271_std_map_item)); \
} } while (0)
#define tda18271_dump_std_item(std_cfg, name) do { \
- tda_dbg("(%s) if freq = %d, std bits = 0x%02x\n", \
- name, std->std_cfg.if_freq, std->std_cfg.std_bits); \
+ tda_dbg("(%s) if freq = %d, agc_mode = %d, std = %d\n", \
+ name, std->std_cfg.if_freq, \
+ std->std_cfg.agc_mode, std->std_cfg.std); \
} while (0)
static int tda18271_dump_std_map(struct dvb_frontend *fe)
@@ -1105,6 +1089,9 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
fe->tuner_priv = priv;
+ if (cfg)
+ priv->small_i2c = cfg->small_i2c;
+
if (tda18271_get_id(fe) < 0)
goto fail;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-02 15:34:25 +0000