diff options
Diffstat (limited to 'drivers/media/dvb/b2c2/flexcop-fe-tuner.c')
| -rw-r--r-- | drivers/media/dvb/b2c2/flexcop-fe-tuner.c | 73 |
1 files changed, 19 insertions, 54 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c index 5bf9049c6c0..850a6c60675 100644 --- a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c +++ b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c @@ -511,54 +511,7 @@ static int airstar_atsc3_attach(struct flexcop_device *fc, #endif /* CableStar2 DVB-C */ -#if FE_SUPPORTED(STV0297) -static int alps_tdee4_stv0297_tuner_set_params(struct dvb_frontend* fe, - struct dvb_frontend_parameters *fep) -{ - struct flexcop_device *fc = fe->dvb->priv; - u8 buf[4]; - u16 div; - int ret; - -/* 62.5 kHz * 10 */ -#define REF_FREQ 625 -#define FREQ_OFFSET 36125 - - div = ((fep->frequency/1000 + FREQ_OFFSET) * 10) / REF_FREQ; -/* 4 MHz = 4000 KHz */ - - buf[0] = (u8)( div >> 8) & 0x7f; - buf[1] = (u8) div & 0xff; - -/* F(osc) = N * Reference Freq. (62.5 kHz) - * byte 2 : 0 N14 N13 N12 N11 N10 N9 N8 - * byte 3 : N7 N6 N5 N4 N3 N2 N1 N0 - * byte 4 : 1 * * AGD R3 R2 R1 R0 - * byte 5 : C1 * RE RTS BS4 BS3 BS2 BS1 - * AGD = 1, R3 R2 R1 R0 = 0 1 0 1 => byte 4 = 1**10101 = 0x95 */ - buf[2] = 0x95; - -/* Range(MHz) C1 * RE RTS BS4 BS3 BS2 BS1 Byte 5 - * 47 - 153 0 * 0 0 0 0 0 1 0x01 - * 153 - 430 0 * 0 0 0 0 1 0 0x02 - * 430 - 822 0 * 0 0 1 0 0 0 0x08 - * 822 - 862 1 * 0 0 1 0 0 0 0x88 */ - - if (fep->frequency <= 153000000) buf[3] = 0x01; - else if (fep->frequency <= 430000000) buf[3] = 0x02; - else if (fep->frequency <= 822000000) buf[3] = 0x08; - else buf[3] = 0x88; - - if (fe->ops.i2c_gate_ctrl) - fe->ops.i2c_gate_ctrl(fe, 0); - deb_tuner("tuner buffer for %d Hz: %x %x %x %x\n", fep->frequency, - buf[0], buf[1], buf[2], buf[3]); - ret = fc->i2c_request(&fc->fc_i2c_adap[2], - FC_WRITE, 0x61, buf[0], &buf[1], 3); - deb_tuner("tuner write returned: %d\n",ret); - return ret; -} - +#if FE_SUPPORTED(STV0297) && FE_SUPPORTED(PLL) static u8 alps_tdee4_stv0297_inittab[] = { 0x80, 0x01, 0x80, 0x00, @@ -642,13 +595,25 @@ static int cablestar2_attach(struct flexcop_device *fc, { fc->fc_i2c_adap[0].no_base_addr = 1; fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c); - if (!fc->fe) { - /* Reset for next frontend to try */ - fc->fc_i2c_adap[0].no_base_addr = 0; - return 0; - } - fc->fe->ops.tuner_ops.set_params = alps_tdee4_stv0297_tuner_set_params; + if (!fc->fe) + goto fail; + + /* This tuner doesn't use the stv0297's I2C gate, but instead the + * tuner is connected to a different flexcop I2C adapter. */ + if (fc->fe->ops.i2c_gate_ctrl) + fc->fe->ops.i2c_gate_ctrl(fc->fe, 0); + fc->fe->ops.i2c_gate_ctrl = NULL; + + if (!dvb_attach(dvb_pll_attach, fc->fe, 0x61, + &fc->fc_i2c_adap[2].i2c_adap, DVB_PLL_TDEE4)) + goto fail; + return 1; + +fail: + /* Reset for next frontend to try */ + fc->fc_i2c_adap[0].no_base_addr = 0; + return 0; } #else #define cablestar2_attach NULL |