diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/media/video/tda9887.c | 19 | ||||
-rw-r--r-- | drivers/media/video/tuner-simple.c | 55 | ||||
-rw-r--r-- | drivers/media/video/tuner-types.c | 5 |
3 files changed, 57 insertions, 22 deletions
diff --git a/drivers/media/video/tda9887.c b/drivers/media/video/tda9887.c index a8f773274fe..aa311e4f1f6 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 2d57e8bc0db..10a7d36a264 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 53a99b39387..c6a7934bd5a 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 */ }, }; |