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path: root/drivers/media/dvb/frontends/tda10048.c
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Diffstat (limited to 'drivers/media/dvb/frontends/tda10048.c')
-rw-r--r--drivers/media/dvb/frontends/tda10048.c37
1 files changed, 25 insertions, 12 deletions
diff --git a/drivers/media/dvb/frontends/tda10048.c b/drivers/media/dvb/frontends/tda10048.c
index 93f6a75c238..7f105946a43 100644
--- a/drivers/media/dvb/frontends/tda10048.c
+++ b/drivers/media/dvb/frontends/tda10048.c
@@ -206,15 +206,16 @@ static struct init_tab {
static struct pll_tab {
u32 clk_freq_khz;
u32 if_freq_khz;
- u8 m, n, p;
} pll_tab[] = {
- { TDA10048_CLK_4000, TDA10048_IF_36130, 10, 0, 0 },
- { TDA10048_CLK_16000, TDA10048_IF_3300, 10, 3, 0 },
- { TDA10048_CLK_16000, TDA10048_IF_3500, 10, 3, 0 },
- { TDA10048_CLK_16000, TDA10048_IF_3800, 10, 3, 0 },
- { TDA10048_CLK_16000, TDA10048_IF_4000, 10, 3, 0 },
- { TDA10048_CLK_16000, TDA10048_IF_4300, 10, 3, 0 },
- { TDA10048_CLK_16000, TDA10048_IF_36130, 10, 3, 0 },
+ { TDA10048_CLK_4000, TDA10048_IF_36130 },
+ { TDA10048_CLK_16000, TDA10048_IF_3300 },
+ { TDA10048_CLK_16000, TDA10048_IF_3500 },
+ { TDA10048_CLK_16000, TDA10048_IF_3800 },
+ { TDA10048_CLK_16000, TDA10048_IF_4000 },
+ { TDA10048_CLK_16000, TDA10048_IF_4300 },
+ { TDA10048_CLK_16000, TDA10048_IF_4500 },
+ { TDA10048_CLK_16000, TDA10048_IF_5000 },
+ { TDA10048_CLK_16000, TDA10048_IF_36130 },
};
static int tda10048_writereg(struct tda10048_state *state, u8 reg, u8 data)
@@ -460,9 +461,6 @@ static int tda10048_set_if(struct dvb_frontend *fe, enum fe_bandwidth bw)
state->freq_if_hz = pll_tab[i].if_freq_khz * 1000;
state->xtal_hz = pll_tab[i].clk_freq_khz * 1000;
- state->pll_mfactor = pll_tab[i].m;
- state->pll_nfactor = pll_tab[i].n;
- state->pll_pfactor = pll_tab[i].p;
break;
}
}
@@ -781,6 +779,10 @@ static int tda10048_init(struct dvb_frontend *fe)
dprintk(1, "%s()\n", __func__);
+ /* PLL */
+ init_tab[4].data = (u8)(state->pll_mfactor);
+ init_tab[5].data = (u8)(state->pll_nfactor) | 0x40;
+
/* Apply register defaults */
for (i = 0; i < ARRAY_SIZE(init_tab); i++)
tda10048_writereg(state, init_tab[i].reg, init_tab[i].data);
@@ -1123,7 +1125,7 @@ struct dvb_frontend *tda10048_attach(const struct tda10048_config *config,
/* setup the state and clone the config */
memcpy(&state->config, config, sizeof(*config));
state->i2c = i2c;
- state->fwloaded = 0;
+ state->fwloaded = config->no_firmware;
state->bandwidth = BANDWIDTH_8_MHZ;
/* check if the demod is present */
@@ -1135,6 +1137,17 @@ struct dvb_frontend *tda10048_attach(const struct tda10048_config *config,
sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
+ /* set pll */
+ if (config->set_pll) {
+ state->pll_mfactor = config->pll_m;
+ state->pll_nfactor = config->pll_n;
+ state->pll_pfactor = config->pll_p;
+ } else {
+ state->pll_mfactor = 10;
+ state->pll_nfactor = 3;
+ state->pll_pfactor = 0;
+ }
+
/* Establish any defaults the the user didn't pass */
tda10048_establish_defaults(&state->frontend);