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-rw-r--r--drivers/media/video/tda9887.c19
-rw-r--r--drivers/media/video/tuner-simple.c55
-rw-r--r--drivers/media/video/tuner-types.c5
-rw-r--r--include/media/tuner-types.h4
-rw-r--r--include/media/tuner.h1
5 files changed, 62 insertions, 22 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c
index a8f773274fe3..aa311e4f1f61 100644
--- a/drivers/media/video/tda9887.c
+++ b/drivers/media/video/tda9887.c
@@ -97,6 +97,8 @@ struct tvnorm {
#define cAudioIF_6_5 0x03 // bit e0:1
+#define cVideoIFMask 0x1c // bit e2:4
+/* Video IF selection in TV Mode (bit B3=0) */
#define cVideoIF_58_75 0x00 // bit e2:4
#define cVideoIF_45_75 0x04 // bit e2:4
#define cVideoIF_38_90 0x08 // bit e2:4
@@ -106,6 +108,13 @@ struct tvnorm {
#define cRadioIF_45_75 0x18 // bit e2:4
#define cRadioIF_38_90 0x1C // bit e2:4
+/* IF1 selection in Radio Mode (bit B3=1) */
+#define cRadioIF_33_30 0x00 // bit e2,4 (also 0x10,0x14)
+#define cRadioIF_41_30 0x04 // bit e2,4
+
+/* Output of AFC pin in radio mode when bit E7=1 */
+#define cRadioAGC_SIF 0x00 // bit e3
+#define cRadioAGC_FM 0x08 // bit e3
#define cTunerGainNormal 0x00 // bit e5
#define cTunerGainLow 0x20 // bit e5
@@ -487,9 +496,13 @@ static int tda9887_set_config(struct tuner *t, char *buf)
if (t->tda9887_config & TDA9887_GATING_18)
buf[3] &= ~cGating_36;
- if (t->tda9887_config & TDA9887_GAIN_NORMAL) {
- radio_stereo.e &= ~cTunerGainLow;
- radio_mono.e &= ~cTunerGainLow;
+ if (t->mode == V4L2_TUNER_RADIO) {
+ if (t->tda9887_config & TDA9887_RIF_41_3) {
+ buf[3] &= ~cVideoIFMask;
+ buf[3] |= cRadioIF_41_30;
+ }
+ if (t->tda9887_config & TDA9887_GAIN_NORMAL)
+ buf[3] &= ~cTunerGainLow;
}
return 0;
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c
index 2d57e8bc0db3..10a7d36a2646 100644
--- a/drivers/media/video/tuner-simple.c
+++ b/drivers/media/video/tuner-simple.c
@@ -402,53 +402,68 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
u8 buffer[4];
u16 div;
int rc, j;
- enum param_type desired_type = TUNER_PARAM_TYPE_RADIO;
struct tuner_params *params;
tun = &tuners[t->type];
- for (j = 0; j < tun->count-1; j++) {
- if (desired_type != tun->params[j].type)
- continue;
+ for (j = tun->count-1; j > 0; j--)
+ if (tun->params[j].type == TUNER_PARAM_TYPE_RADIO)
+ break;
+ /* default params (j=0) will be used if desired type wasn't found */
+ params = &tun->params[j];
+
+ /* Select Radio 1st IF used */
+ switch (params->radio_if) {
+ case 0: /* 10.7 MHz */
+ freq += (unsigned int)(10.7*16000);
break;
+ case 1: /* 33.3 MHz */
+ freq += (unsigned int)(33.3*16000);
+ break;
+ case 2: /* 41.3 MHz */
+ freq += (unsigned int)(41.3*16000);
+ break;
+ default:
+ tuner_warn("Unsupported radio_if value %d\n", params->radio_if);
+ return;
}
- /* use default tuner_params if desired_type not available */
- if (desired_type != tun->params[j].type)
- j = 0;
-
- div = (20 * freq / 16000) + (int)(20*10.7); /* IF 10.7 MHz */
- params = &tun->params[j];
- buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */
+ /* Bandswitch byte */
switch (t->type) {
case TUNER_TENA_9533_DI:
case TUNER_YMEC_TVF_5533MF:
- tuner_dbg ("This tuner doesn't have FM. Most cards has a TEA5767 for FM\n");
+ tuner_dbg ("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n");
return;
case TUNER_PHILIPS_FM1216ME_MK3:
case TUNER_PHILIPS_FM1236_MK3:
case TUNER_PHILIPS_FMD1216ME_MK3:
case TUNER_LG_NTSC_TAPE:
+ case TUNER_PHILIPS_FM1256_IH3:
buffer[3] = 0x19;
break;
case TUNER_TNF_5335MF:
buffer[3] = 0x11;
break;
- case TUNER_PHILIPS_FM1256_IH3:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
- buffer[3] = 0x19;
- break;
case TUNER_LG_PAL_FM:
buffer[3] = 0xa5;
break;
- case TUNER_MICROTUNE_4049FM5:
- div = (20 * freq) / 16000 + (int)(33.3 * 20); /* IF 33.3 MHz */
- buffer[3] = 0xa4;
+ case TUNER_THOMSON_DTT761X:
+ buffer[3] = 0x39;
break;
+ case TUNER_MICROTUNE_4049FM5:
default:
buffer[3] = 0xa4;
break;
}
+
+ buffer[2] = (params->ranges[0].config & ~TUNER_RATIO_MASK) |
+ TUNER_RATIO_SELECT_50; /* 50 kHz step */
+
+ /* Convert from 1/16 kHz V4L steps to 1/20 MHz (=50 kHz) PLL steps
+ freq * (1 Mhz / 16000 V4L steps) * (20 PLL steps / 1 MHz) =
+ freq * (1/800) */
+ div = (freq + 400) / 800;
+
if (params->cb_first_if_lower_freq && div < t->last_div) {
buffer[0] = buffer[2];
buffer[1] = buffer[3];
@@ -475,6 +490,8 @@ static void default_set_radio_freq(struct i2c_client *c, unsigned int freq)
config &= ~TDA9887_PORT1_ACTIVE;*/
if (params->fm_gain_normal)
config |= TDA9887_GAIN_NORMAL;
+ if (params->radio_if == 2)
+ config |= TDA9887_RIF_41_3;
i2c_clients_command(c->adapter, TDA9887_SET_CONFIG, &config);
}
if (4 != (rc = i2c_master_send(c,buffer,4)))
diff --git a/drivers/media/video/tuner-types.c b/drivers/media/video/tuner-types.c
index 53a99b39387f..c6a7934bd5a6 100644
--- a/drivers/media/video/tuner-types.c
+++ b/drivers/media/video/tuner-types.c
@@ -652,6 +652,7 @@ static struct tuner_params tuner_microtune_4049_fm5_params[] = {
.port1_invert_for_secam_lc = 1,
.default_pll_gating_18 = 1,
.fm_gain_normal=1,
+ .radio_if = 1, /* 33.3 MHz */
},
};
@@ -733,6 +734,7 @@ static struct tuner_params tuner_philips_fm1256_ih3_params[] = {
.type = TUNER_PARAM_TYPE_PAL,
.ranges = tuner_fm1236_mk3_ntsc_ranges,
.count = ARRAY_SIZE(tuner_fm1236_mk3_ntsc_ranges),
+ .radio_if = 1, /* 33.3 MHz */
},
};
@@ -859,6 +861,9 @@ static struct tuner_params tuner_thomson_dtt761x_params[] = {
.type = TUNER_PARAM_TYPE_NTSC,
.ranges = tuner_thomson_dtt761x_ntsc_ranges,
.count = ARRAY_SIZE(tuner_thomson_dtt761x_ntsc_ranges),
+ .has_tda9887 = 1,
+ .fm_gain_normal = 1,
+ .radio_if = 2, /* 41.3 MHz */
},
};
diff --git a/include/media/tuner-types.h b/include/media/tuner-types.h
index e5ad3fcfe984..b201371416a0 100644
--- a/include/media/tuner-types.h
+++ b/include/media/tuner-types.h
@@ -79,6 +79,10 @@ struct tuner_params {
/* Select 18% (or according to datasheet 0%) L standard PLL gating,
vs the driver default of 36%. */
unsigned int default_pll_gating_18:1;
+ /* IF to use in radio mode. Tuners with a separate radio IF filter
+ seem to use 10.7, while those without use 33.3 for PAL/SECAM tuners
+ and 41.3 for NTSC tuners. 0 = 10.7, 1 = 33.3, 2 = 41.3 */
+ unsigned int radio_if:2;
/* Default tda9887 TOP value in dB for the low band. Default is 0.
Range: -16:+15 */
signed int default_top_low:5;
diff --git a/include/media/tuner.h b/include/media/tuner.h
index 160381c72e4b..c03dceb92605 100644
--- a/include/media/tuner.h
+++ b/include/media/tuner.h
@@ -146,6 +146,7 @@ extern int tuner_debug;
#define TDA9887_AUTOMUTE (1<<18)
#define TDA9887_GATING_18 (1<<19)
#define TDA9887_GAIN_NORMAL (1<<20)
+#define TDA9887_RIF_41_3 (1<<21) /* radio IF1 41.3 vs 33.3 */
#ifdef __KERNEL__
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 23:04:59 +0100