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path: root/drivers/media/dvb/frontends/stv0900_core.c
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Diffstat (limited to 'drivers/media/dvb/frontends/stv0900_core.c')
-rw-r--r--drivers/media/dvb/frontends/stv0900_core.c125
1 files changed, 113 insertions, 12 deletions
diff --git a/drivers/media/dvb/frontends/stv0900_core.c b/drivers/media/dvb/frontends/stv0900_core.c
index 8762c86044a5..4f5e7d3a0e61 100644
--- a/drivers/media/dvb/frontends/stv0900_core.c
+++ b/drivers/media/dvb/frontends/stv0900_core.c
@@ -177,7 +177,7 @@ u8 stv0900_read_reg(struct stv0900_internal *intp, u16 reg)
return buf;
}
-void extract_mask_pos(u32 label, u8 *mask, u8 *pos)
+static void extract_mask_pos(u32 label, u8 *mask, u8 *pos)
{
u8 position = 0, i = 0;
@@ -218,7 +218,7 @@ u8 stv0900_get_bits(struct stv0900_internal *intp, u32 label)
return val;
}
-enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *intp)
+static enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *intp)
{
s32 i;
@@ -282,7 +282,7 @@ enum fe_stv0900_error stv0900_initialize(struct stv0900_internal *intp)
return STV0900_NO_ERROR;
}
-u32 stv0900_get_mclk_freq(struct stv0900_internal *intp, u32 ext_clk)
+static u32 stv0900_get_mclk_freq(struct stv0900_internal *intp, u32 ext_clk)
{
u32 mclk = 90000000, div = 0, ad_div = 0;
@@ -296,7 +296,7 @@ u32 stv0900_get_mclk_freq(struct stv0900_internal *intp, u32 ext_clk)
return mclk;
}
-enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32 mclk)
+static enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32 mclk)
{
u32 m_div, clk_sel;
@@ -334,7 +334,7 @@ enum fe_stv0900_error stv0900_set_mclk(struct stv0900_internal *intp, u32 mclk)
return STV0900_NO_ERROR;
}
-u32 stv0900_get_err_count(struct stv0900_internal *intp, int cntr,
+static u32 stv0900_get_err_count(struct stv0900_internal *intp, int cntr,
enum fe_stv0900_demod_num demod)
{
u32 lsb, msb, hsb, err_val;
@@ -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,
@@ -1345,7 +1384,14 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
} else {
state->internal = kmalloc(sizeof(struct stv0900_internal),
GFP_KERNEL);
+ if (state->internal == NULL)
+ return STV0900_INVALID_HANDLE;
temp_int = append_internal(state->internal);
+ if (temp_int == NULL) {
+ kfree(state->internal);
+ state->internal = NULL;
+ return STV0900_INVALID_HANDLE;
+ }
state->internal->dmds_used = 1;
state->internal->i2c_adap = state->i2c_adap;
state->internal->i2c_addr = state->config->demod_address;
@@ -1371,11 +1417,6 @@ static enum fe_stv0900_error stv0900_init_internal(struct dvb_frontend *fe,
return error;
}
- if (state->internal == NULL) {
- error = STV0900_INVALID_HANDLE;
- return error;
- }
-
intp = state->internal;
intp->demod_mode = p_init->demod_mode;
@@ -1404,6 +1445,27 @@ 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 +1475,27 @@ 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 +1505,8 @@ 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);
@@ -1498,7 +1583,7 @@ static enum dvbfe_search stv0900_search(struct dvb_frontend *fe,
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct stv0900_search_params p_search;
- struct stv0900_signal_info p_result;
+ struct stv0900_signal_info p_result = intp->result[demod];
enum fe_stv0900_error error = STV0900_NO_ERROR;
@@ -1757,6 +1842,19 @@ static void stv0900_release(struct dvb_frontend *fe)
kfree(state);
}
+static int stv0900_get_frontend(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *p)
+{
+ struct stv0900_state *state = fe->demodulator_priv;
+ struct stv0900_internal *intp = state->internal;
+ enum fe_stv0900_demod_num demod = state->demod;
+ struct stv0900_signal_info p_result = intp->result[demod];
+
+ p->frequency = p_result.locked ? p_result.frequency : 0;
+ p->u.qpsk.symbol_rate = p_result.locked ? p_result.symbol_rate : 0;
+ return 0;
+}
+
static struct dvb_frontend_ops stv0900_ops = {
.info = {
@@ -1777,6 +1875,7 @@ static struct dvb_frontend_ops stv0900_ops = {
},
.release = stv0900_release,
.init = stv0900_init,
+ .get_frontend = stv0900_get_frontend,
.get_frontend_algo = stv0900_frontend_algo,
.i2c_gate_ctrl = stv0900_i2c_gate_ctrl,
.diseqc_send_master_cmd = stv0900_send_master_cmd,
@@ -1824,10 +1923,12 @@ 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,
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-27 01:15:05 +0000