diff options
Diffstat (limited to 'drivers/media/test-drivers/vidtv/vidtv_bridge.c')
| -rw-r--r-- | drivers/media/test-drivers/vidtv/vidtv_bridge.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c index 108e7937e9c1..fe4e496acc34 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c +++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c @@ -29,6 +29,12 @@ #define TUNER_DEFAULT_ADDR 0x68 #define DEMOD_DEFAULT_ADDR 0x60 +/* LNBf fake parameters: ranges used by an Universal (extended) European LNBf */ +#define LNB_CUT_FREQUENCY 11700000 +#define LNB_LOW_FREQ 9750000 +#define LNB_HIGH_FREQ 10600000 + + static unsigned int drop_tslock_prob_on_low_snr; module_param(drop_tslock_prob_on_low_snr, uint, 0); MODULE_PARM_DESC(drop_tslock_prob_on_low_snr, @@ -53,7 +59,7 @@ static unsigned int vidtv_valid_dvb_t_freqs[NUM_VALID_TUNER_FREQS] = { module_param_array(vidtv_valid_dvb_t_freqs, uint, NULL, 0); MODULE_PARM_DESC(vidtv_valid_dvb_t_freqs, - "Valid DVB-T frequencies to simulate"); + "Valid DVB-T frequencies to simulate, in Hz"); static unsigned int vidtv_valid_dvb_c_freqs[NUM_VALID_TUNER_FREQS] = { 474000000 @@ -61,14 +67,14 @@ static unsigned int vidtv_valid_dvb_c_freqs[NUM_VALID_TUNER_FREQS] = { module_param_array(vidtv_valid_dvb_c_freqs, uint, NULL, 0); MODULE_PARM_DESC(vidtv_valid_dvb_c_freqs, - "Valid DVB-C frequencies to simulate"); + "Valid DVB-C frequencies to simulate, in Hz"); static unsigned int vidtv_valid_dvb_s_freqs[NUM_VALID_TUNER_FREQS] = { - 12551500 + 11362000 }; module_param_array(vidtv_valid_dvb_s_freqs, uint, NULL, 0); MODULE_PARM_DESC(vidtv_valid_dvb_s_freqs, - "Valid DVB-C frequencies to simulate"); + "Valid DVB-S/S2 frequencies to simulate at Ku-Band, in kHz"); static unsigned int max_frequency_shift_hz; module_param(max_frequency_shift_hz, uint, 0); @@ -336,11 +342,15 @@ static int vidtv_bridge_probe_demod(struct vidtv_dvb *dvb, u32 n) static int vidtv_bridge_probe_tuner(struct vidtv_dvb *dvb, u32 n) { struct vidtv_tuner_config cfg = {}; + u32 freq; + int i; cfg.fe = dvb->fe[n]; cfg.mock_power_up_delay_msec = mock_power_up_delay_msec; cfg.mock_tune_delay_msec = mock_tune_delay_msec; + /* TODO: check if the frequencies are at a valid range */ + memcpy(cfg.vidtv_valid_dvb_t_freqs, vidtv_valid_dvb_t_freqs, sizeof(vidtv_valid_dvb_t_freqs)); @@ -349,9 +359,20 @@ static int vidtv_bridge_probe_tuner(struct vidtv_dvb *dvb, u32 n) vidtv_valid_dvb_c_freqs, sizeof(vidtv_valid_dvb_c_freqs)); - memcpy(cfg.vidtv_valid_dvb_s_freqs, - vidtv_valid_dvb_s_freqs, - sizeof(vidtv_valid_dvb_s_freqs)); + /* + * Convert Satellite frequencies from Ku-band in kHZ into S-band + * frequencies in Hz. + */ + for (i = 0; i < ARRAY_SIZE(vidtv_valid_dvb_s_freqs); i++) { + freq = vidtv_valid_dvb_s_freqs[i]; + if (freq) { + if (freq < LNB_CUT_FREQUENCY) + freq = abs(freq - LNB_LOW_FREQ); + else + freq = abs(freq - LNB_HIGH_FREQ); + } + cfg.vidtv_valid_dvb_s_freqs[i] = freq; + } cfg.max_frequency_shift_hz = max_frequency_shift_hz; |