V4L/DVB (13818): Add Prof 7500 DVB-S2 USB card

The card based on stv0903 demod, stb6100 tuner.

Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

5 files changed, 142 insertions, 8 deletions

diff --git a/drivers/media/dvb/frontends/stv0900.h b/drivers/media/dvb/frontends/stv0900.h
index 29c3fa85c22..e3e35d1ce83 100644
--- a/drivers/media/dvb/frontends/stv0900.h
+++ b/drivers/media/dvb/frontends/stv0900.h
@@ -49,6 +49,8 @@ struct stv0900_config {
 	u8 tun2_maddress;
 	u8 tun1_adc;/* 1 for stv6110, 2 for stb6100 */
 	u8 tun2_adc;
+	u8 tun1_type;/* for now 3 for stb6100 auto, else - software */
+	u8 tun2_type;
 	/* Set device param to start dma */
 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
 };
diff --git a/drivers/media/dvb/frontends/stv0900_core.c b/drivers/media/dvb/frontends/stv0900_core.c
index 8762c86044a..115dc01c223 100644
--- a/drivers/media/dvb/frontends/stv0900_core.c
+++ b/drivers/media/dvb/frontends/stv0900_core.c
@@ -567,6 +567,46 @@ void stv0900_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
 	}
 }
 
+u32 stv0900_get_freq_auto(struct stv0900_internal *intp, int demod)
+{
+	u32 freq, round;
+	/*	Formulat :
+	Tuner_Frequency(MHz)	= Regs / 64
+	Tuner_granularity(MHz)	= Regs / 2048
+	real_Tuner_Frequency	= Tuner_Frequency(MHz) - Tuner_granularity(MHz)
+	*/
+	freq = (stv0900_get_bits(intp, TUN_RFFREQ2) << 10) +
+		(stv0900_get_bits(intp, TUN_RFFREQ1) << 2) +
+		stv0900_get_bits(intp, TUN_RFFREQ0);
+
+	freq = (freq * 1000) / 64;
+
+	round = (stv0900_get_bits(intp, TUN_RFRESTE1) >> 2) +
+		stv0900_get_bits(intp, TUN_RFRESTE0);
+
+	round = (round * 1000) / 2048;
+
+	return freq + round;
+}
+
+void stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency,
+						u32 Bandwidth, int demod)
+{
+	u32 tunerFrequency;
+	/* Formulat:
+	Tuner_frequency_reg= Frequency(MHz)*64
+	*/
+	tunerFrequency = (Frequency * 64) / 1000;
+
+	stv0900_write_bits(intp, TUN_RFFREQ2, (tunerFrequency >> 10));
+	stv0900_write_bits(intp, TUN_RFFREQ1, (tunerFrequency >> 2) & 0xff);
+	stv0900_write_bits(intp, TUN_RFFREQ0, (tunerFrequency & 0x03));
+	/* Low Pass Filter = BW /2 (MHz)*/
+	stv0900_write_bits(intp, TUN_BW, Bandwidth / 2000000);
+	/* Tuner Write trig */
+	stv0900_write_reg(intp, TNRLD, 1);
+}
+
 static s32 stv0900_get_rf_level(struct stv0900_internal *intp,
 				const struct stv0900_table *lookup,
 				enum fe_stv0900_demod_num demod)
@@ -1329,7 +1369,6 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
 	enum fe_stv0900_error error = STV0900_NO_ERROR;
 	enum fe_stv0900_error demodError = STV0900_NO_ERROR;
 	struct stv0900_internal *intp = NULL;
-
 	int selosci, i;
 
 	struct stv0900_inode *temp_int = find_inode(state->i2c_adap,
@@ -1404,6 +1443,27 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
 		stv0900_write_bits(intp, F0900_P1_RST_HWARE, 0);
 	}
 
+	intp->tuner_type[0] = p_init->tuner1_type;
+	intp->tuner_type[1] = p_init->tuner2_type;
+	/* tuner init */
+	switch (p_init->tuner1_type) {
+	case 3: /*FE_AUTO_STB6100:*/
+		stv0900_write_reg(intp, R0900_P1_TNRCFG, 0x3c);
+		stv0900_write_reg(intp, R0900_P1_TNRCFG2, 0x86);
+		stv0900_write_reg(intp, R0900_P1_TNRCFG3, 0x18);
+		stv0900_write_reg(intp, R0900_P1_TNRXTAL, 27); /* 27MHz */
+		stv0900_write_reg(intp, R0900_P1_TNRSTEPS, 0x05);
+		stv0900_write_reg(intp, R0900_P1_TNRGAIN, 0x17);
+		stv0900_write_reg(intp, R0900_P1_TNRADJ, 0x1f);
+		stv0900_write_reg(intp, R0900_P1_TNRCTL2, 0x0);
+		stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 3);
+		break;
+	/* case FE_SW_TUNER: */
+	default:
+		stv0900_write_bits(intp, F0900_P1_TUN_TYPE, 6);
+		break;
+	}
+
 	stv0900_write_bits(intp, F0900_P1_TUN_MADDRESS, p_init->tun1_maddress);
 	switch (p_init->tuner1_adc) {
 	case 1:
@@ -1413,6 +1473,27 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
 		break;
 	}
 
+	stv0900_write_reg(intp, R0900_P1_TNRLD, 1); /* hw tuner */
+
+	/* tuner init */
+	switch (p_init->tuner2_type) {
+	case 3: /*FE_AUTO_STB6100:*/
+		stv0900_write_reg(intp, R0900_P2_TNRCFG, 0x3c);
+		stv0900_write_reg(intp, R0900_P2_TNRCFG2, 0x86);
+		stv0900_write_reg(intp, R0900_P2_TNRCFG3, 0x18);
+		stv0900_write_reg(intp, R0900_P2_TNRXTAL, 27); /* 27MHz */
+		stv0900_write_reg(intp, R0900_P2_TNRSTEPS, 0x05);
+		stv0900_write_reg(intp, R0900_P2_TNRGAIN, 0x17);
+		stv0900_write_reg(intp, R0900_P2_TNRADJ, 0x1f);
+		stv0900_write_reg(intp, R0900_P2_TNRCTL2, 0x0);
+		stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 3);
+		break;
+	/* case FE_SW_TUNER: */
+	default:
+		stv0900_write_bits(intp, F0900_P2_TUN_TYPE, 6);
+		break;
+	}
+
 	stv0900_write_bits(intp, F0900_P2_TUN_MADDRESS, p_init->tun2_maddress);
 	switch (p_init->tuner2_adc) {
 	case 1:
@@ -1422,6 +1503,8 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
 		break;
 	}
 
+	stv0900_write_reg(intp, R0900_P2_TNRLD, 1); /* hw tuner */
+
 	stv0900_write_bits(intp, F0900_P1_TUN_IQSWAP, p_init->tun1_iq_inv);
 	stv0900_write_bits(intp, F0900_P2_TUN_IQSWAP, p_init->tun2_iq_inv);
 	stv0900_set_mclk(intp, 135000000);
@@ -1824,10 +1907,12 @@ struct dvb_frontend *stv0900_attach(const struct stv0900_config *config,
 		init_params.tun1_maddress	= config->tun1_maddress;
 		init_params.tun1_iq_inv		= STV0900_IQ_NORMAL;
 		init_params.tuner1_adc		= config->tun1_adc;
+		init_params.tuner1_type		= config->tun1_type;
 		init_params.path2_ts_clock	= config->path2_mode;
 		init_params.ts_config		= config->ts_config_regs;
 		init_params.tun2_maddress	= config->tun2_maddress;
 		init_params.tuner2_adc		= config->tun2_adc;
+		init_params.tuner2_type		= config->tun2_type;
 		init_params.tun2_iq_inv		= STV0900_IQ_SWAPPED;
 
 		err_stv0900 = stv0900_init_internal(&state->frontend,
diff --git a/drivers/media/dvb/frontends/stv0900_priv.h b/drivers/media/dvb/frontends/stv0900_priv.h
index d8ba8a984ab..b62b0f0a4fe 100644
--- a/drivers/media/dvb/frontends/stv0900_priv.h
+++ b/drivers/media/dvb/frontends/stv0900_priv.h
@@ -247,6 +247,7 @@ struct stv0900_init_params{
 
 	u8	tun1_maddress;
 	int	tuner1_adc;
+	int 	tuner1_type;
 
 	/* IQ from the tuner1 to the demod */
 	enum stv0900_iq_inversion	tun1_iq_inv;
@@ -254,6 +255,7 @@ struct stv0900_init_params{
 
 	u8	tun2_maddress;
 	int	tuner2_adc;
+	int	tuner2_type;
 
 	/* IQ from the tuner2 to the demod */
 	enum stv0900_iq_inversion	tun2_iq_inv;
@@ -309,6 +311,8 @@ struct stv0900_internal{
 	s32	bw[2];
 	s32	symbol_rate[2];
 	s32	srch_range[2];
+	/* for software/auto tuner */
+	int	tuner_type[2];
 
 	/* algorithm for search Blind, Cold or Warm*/
 	enum fe_stv0900_search_algo	srch_algo[2];
@@ -394,4 +398,11 @@ extern enum
 fe_stv0900_tracking_standard stv0900_get_standard(struct dvb_frontend *fe,
 				enum fe_stv0900_demod_num demod);
 
+extern u32
+stv0900_get_freq_auto(struct stv0900_internal *intp, int demod);
+
+extern void
+stv0900_set_tuner_auto(struct stv0900_internal *intp, u32 Frequency,
+						u32 Bandwidth, int demod);
+
 #endif
diff --git a/drivers/media/dvb/frontends/stv0900_reg.h b/drivers/media/dvb/frontends/stv0900_reg.h
index 7b8edf192e9..731afe93a82 100644
--- a/drivers/media/dvb/frontends/stv0900_reg.h
+++ b/drivers/media/dvb/frontends/stv0900_reg.h
@@ -3174,17 +3174,21 @@ extern s32 shiftx(s32 x, int demod, s32 shift);
 #define R0900_P1_TNRRF1 0xf4e9
 #define TNRRF1 REGx(R0900_P1_TNRRF1)
 #define F0900_P1_TUN_RFFREQ2 0xf4e900ff
+#define TUN_RFFREQ2 FLDx(F0900_P1_TUN_RFFREQ2)
 
 /*P1_TNRRF0*/
 #define R0900_P1_TNRRF0 0xf4ea
 #define TNRRF0 REGx(R0900_P1_TNRRF0)
 #define F0900_P1_TUN_RFFREQ1 0xf4ea00ff
+#define TUN_RFFREQ1 FLDx(F0900_P1_TUN_RFFREQ1)
 
 /*P1_TNRBW*/
 #define R0900_P1_TNRBW 0xf4eb
 #define TNRBW REGx(R0900_P1_TNRBW)
 #define F0900_P1_TUN_RFFREQ0 0xf4eb00c0
+#define TUN_RFFREQ0 FLDx(F0900_P1_TUN_RFFREQ0)
 #define F0900_P1_TUN_BW 0xf4eb003f
+#define TUN_BW FLDx(F0900_P1_TUN_BW)
 
 /*P1_TNRADJ*/
 #define R0900_P1_TNRADJ 0xf4ec
@@ -3234,11 +3238,13 @@ extern s32 shiftx(s32 x, int demod, s32 shift);
 #define F0900_P1_TUN_I2CLOCKED 0xf4f60010
 #define F0900_P1_TUN_PROGDONE 0xf4f6000c
 #define F0900_P1_TUN_RFRESTE1 0xf4f60003
+#define TUN_RFRESTE1 FLDx(F0900_P1_TUN_RFRESTE1)
 
 /*P1_TNRRESTE*/
 #define R0900_P1_TNRRESTE 0xf4f7
 #define TNRRESTE REGx(R0900_P1_TNRRESTE)
 #define F0900_P1_TUN_RFRESTE0 0xf4f700ff
+#define TUN_RFRESTE0 FLDx(F0900_P1_TUN_RFRESTE0)
 
 /*P1_SMAPCOEF7*/
 #define R0900_P1_SMAPCOEF7 0xf500
diff --git a/drivers/media/dvb/frontends/stv0900_sw.c b/drivers/media/dvb/frontends/stv0900_sw.c
index b8da87fa637..5161c288442 100644
--- a/drivers/media/dvb/frontends/stv0900_sw.c
+++ b/drivers/media/dvb/frontends/stv0900_sw.c
@@ -606,7 +606,12 @@ static int stv0900_get_demod_cold_lock(struct dvb_frontend *fe,
 			tuner_freq -= (current_step * currier_step);
 
 		if (intp->chip_id <= 0x20) {
-			stv0900_set_tuner(fe, tuner_freq, intp->bw[d]);
+			if (intp->tuner_type[d] == 3)
+				stv0900_set_tuner_auto(intp, tuner_freq,
+						intp->bw[d], demod);
+			else
+				stv0900_set_tuner(fe, tuner_freq, intp->bw[d]);
+
 			stv0900_write_reg(intp, DMDISTATE, 0x1c);
 			stv0900_write_reg(intp, CFRINIT1, 0);
 			stv0900_write_reg(intp, CFRINIT0, 0);
@@ -976,8 +981,16 @@ static void stv0900_track_optimization(struct dvb_frontend *fe)
 					intp->rolloff) + 10000000;
 
 		if ((intp->chip_id >= 0x20) || (blind_tun_sw == 1)) {
-			if (intp->srch_algo[demod] != STV0900_WARM_START)
-				stv0900_set_bandwidth(fe, intp->bw[demod]);
+			if (intp->srch_algo[demod] != STV0900_WARM_START) {
+				if (intp->tuner_type[demod] == 3)
+					stv0900_set_tuner_auto(intp,
+							intp->freq[demod],
+							intp->bw[demod],
+							demod);
+				else
+					stv0900_set_bandwidth(fe,
+							intp->bw[demod]);
+			}
 		}
 
 		if ((intp->srch_algo[demod] == STV0900_BLIND_SEARCH) ||
@@ -1202,7 +1215,11 @@ fe_stv0900_signal_type stv0900_get_signal_params(struct dvb_frontend *fe)
 	}
 
 	result->standard = stv0900_get_standard(fe, d);
-	result->frequency = stv0900_get_tuner_freq(fe);
+	if (intp->tuner_type[demod] == 3)
+		result->frequency = stv0900_get_freq_auto(intp, d);
+	else
+		result->frequency = stv0900_get_tuner_freq(fe);
+
 	offsetFreq = stv0900_get_carr_freq(intp, intp->mclk, d) / 1000;
 	result->frequency += offsetFreq;
 	result->symbol_rate = stv0900_get_symbol_rate(intp, intp->mclk, d);
@@ -1239,7 +1256,11 @@ fe_stv0900_signal_type stv0900_get_signal_params(struct dvb_frontend *fe)
 	if ((intp->srch_algo[d] == STV0900_BLIND_SEARCH) ||
 				(intp->symbol_rate[d] < 10000000)) {
 		offsetFreq = result->frequency - intp->freq[d];
-		intp->freq[d] = stv0900_get_tuner_freq(fe);
+		if (intp->tuner_type[demod] == 3)
+			intp->freq[d] = stv0900_get_freq_auto(intp, d);
+		else
+			intp->freq[d] = stv0900_get_tuner_freq(fe);
+
 		if (ABS(offsetFreq) <= ((intp->srch_range[d] / 2000) + 500))
 			range = STV0900_RANGEOK;
 		else if (ABS(offsetFreq) <=
@@ -1481,7 +1502,12 @@ static u32 stv0900_search_srate_coarse(struct dvb_frontend *fe)
 			else
 				tuner_freq -= (current_step * currier_step);
 
-			stv0900_set_tuner(fe, tuner_freq, intp->bw[demod]);
+			if (intp->tuner_type[demod] == 3)
+				stv0900_set_tuner_auto(intp, tuner_freq,
+						intp->bw[demod], demod);
+			else
+				stv0900_set_tuner(fe, tuner_freq,
+						intp->bw[demod]);
 		}
 	}
 
@@ -1875,7 +1901,11 @@ enum fe_stv0900_signal_type stv0900_algo(struct dvb_frontend *fe)
 
 	}
 
-	stv0900_set_tuner(fe, intp->freq[demod], intp->bw[demod]);
+	if (intp->tuner_type[demod] == 3)
+		stv0900_set_tuner_auto(intp, intp->freq[demod],
+				intp->bw[demod], demod);
+	else
+		stv0900_set_tuner(fe, intp->freq[demod], intp->bw[demod]);
 
 	agc1_power = MAKEWORD(stv0900_get_bits(intp, AGCIQ_VALUE1),
 				stv0900_get_bits(intp, AGCIQ_VALUE0));