diff options
Diffstat (limited to 'linux/drivers/media/dvb/frontends')
| -rw-r--r-- | linux/drivers/media/dvb/frontends/cx24116.c | 7 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/lnbp21.h | 16 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/s5h1409.c | 7 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/frontends/tda1004x.c | 30 |
4 files changed, 42 insertions, 18 deletions
diff --git a/linux/drivers/media/dvb/frontends/cx24116.c b/linux/drivers/media/dvb/frontends/cx24116.c index db1e1e4ea..8301a9865 100644 --- a/linux/drivers/media/dvb/frontends/cx24116.c +++ b/linux/drivers/media/dvb/frontends/cx24116.c @@ -1184,7 +1184,12 @@ static int cx24116_initfe(struct dvb_frontend *fe) if (ret != 0) return ret; - return cx24116_diseqc_init(fe); + ret = cx24116_diseqc_init(fe); + if (ret != 0) + return ret; + + /* HVR-4000 needs this */ + return cx24116_set_voltage(fe, SEC_VOLTAGE_13); } /* diff --git a/linux/drivers/media/dvb/frontends/lnbp21.h b/linux/drivers/media/dvb/frontends/lnbp21.h index 8fe094bd9..b87458874 100644 --- a/linux/drivers/media/dvb/frontends/lnbp21.h +++ b/linux/drivers/media/dvb/frontends/lnbp21.h @@ -28,14 +28,14 @@ #define _LNBP21_H /* system register bits */ -#define LNBP21_OLF 0x01 -#define LNBP21_OTF 0x02 -#define LNBP21_EN 0x04 -#define LNBP21_VSEL 0x08 -#define LNBP21_LLC 0x10 -#define LNBP21_TEN 0x20 -#define LNBP21_ISEL 0x40 -#define LNBP21_PCL 0x80 +#define LNBP21_OLF 0x01 /* [R-only] 0=OK; 1=over current limit flag*/ +#define LNBP21_OTF 0x02 /* [R-only] 0=OK; 1=over temperature flag (150degC typ) */ +#define LNBP21_EN 0x04 /* [RW] 0=disable LNB power, enable loopthrough; 1=enable LNB power, disable loopthrough*/ +#define LNBP21_VSEL 0x08 /* [RW] 0=low voltage (13/14V, vert pol); 1=high voltage (18/19V,horiz pol) */ +#define LNBP21_LLC 0x10 /* [RW] increase LNB voltage by 1V: 0=13/18V; 1=14/19V */ +#define LNBP21_TEN 0x20 /* [RW] 0=tone controlled by DSQIN pin; 1=tone enable, disable DSQIN */ +#define LNBP21_ISEL 0x40 /* [RW] current limit select 0:Iout=500-650mA,Isc=300mA ; 1:Iout=400-550mA,Isc=200mA*/ +#define LNBP21_PCL 0x80 /* [RW] short-circuit prot: 0=pulsed (dynamic) curr limiting; 1=static curr limiting*/ #include <linux/dvb/frontend.h> diff --git a/linux/drivers/media/dvb/frontends/s5h1409.c b/linux/drivers/media/dvb/frontends/s5h1409.c index cf4d8936b..3e08d985d 100644 --- a/linux/drivers/media/dvb/frontends/s5h1409.c +++ b/linux/drivers/media/dvb/frontends/s5h1409.c @@ -545,9 +545,6 @@ static int s5h1409_set_frontend(struct dvb_frontend *fe, s5h1409_enable_modulation(fe, p->u.vsb.modulation); - /* Allow the demod to settle */ - msleep(100); - if (fe->ops.tuner_ops.set_params) { if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); @@ -562,6 +559,10 @@ static int s5h1409_set_frontend(struct dvb_frontend *fe, s5h1409_set_qam_interleave_mode(fe); } + /* Issue a reset to the demod so it knows to resync against the + newly tuned frequency */ + s5h1409_softreset(fe); + return 0; } diff --git a/linux/drivers/media/dvb/frontends/tda1004x.c b/linux/drivers/media/dvb/frontends/tda1004x.c index 1465ff77b..4981cef8b 100644 --- a/linux/drivers/media/dvb/frontends/tda1004x.c +++ b/linux/drivers/media/dvb/frontends/tda1004x.c @@ -162,7 +162,7 @@ static int tda1004x_read_byte(struct tda1004x_state *state, int reg) if (ret != 2) { dprintk("%s: error reg=0x%x, ret=%i\n", __func__, reg, ret); - return -1; + return -EINVAL; } dprintk("%s: success reg=0x%x, data=0x%x, ret=%i\n", __func__, @@ -481,16 +481,18 @@ static void tda10046_init_plls(struct dvb_frontend* fe) static int tda10046_fwupload(struct dvb_frontend* fe) { struct tda1004x_state* state = fe->demodulator_priv; - int ret; + int ret, confc4; const struct firmware *fw; /* reset + wake up chip */ if (state->config->xtal_freq == TDA10046_XTAL_4M) { - tda1004x_write_byteI(state, TDA1004X_CONFC4, 0); + confc4 = 0; } else { dprintk("%s: 16MHz Xtal, reducing I2C speed\n", __func__); - tda1004x_write_byteI(state, TDA1004X_CONFC4, 0x80); + confc4 = 0x80; } + tda1004x_write_byteI(state, TDA1004X_CONFC4, confc4); + tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 1, 0); /* set GPIO 1 and 3 */ if (state->config->gpio_config != TDA10046_GPTRI) { @@ -508,13 +510,29 @@ static int tda10046_fwupload(struct dvb_frontend* fe) if (tda1004x_check_upload_ok(state) == 0) return 0; + /* + For i2c normal work, we need to slow down the bus speed. + However, the slow down breaks the eeprom firmware load. + So, use normal speed for eeprom booting and then restore the + i2c speed after that. Tested with MSI TV @nyware A/D board, + that comes with firmware version 29 inside their eeprom. + + It should also be noticed that no other I2C transfer should + be in course while booting from eeprom, otherwise, tda10046 + goes into an instable state. So, proper locking are needed + at the i2c bus master. + */ printk(KERN_INFO "tda1004x: trying to boot from eeprom\n"); - tda1004x_write_mask(state, TDA1004X_CONFC4, 4, 4); + tda1004x_write_byteI(state, TDA1004X_CONFC4, 4); msleep(300); - /* don't re-upload unless necessary */ + tda1004x_write_byteI(state, TDA1004X_CONFC4, confc4); + + /* Checks if eeprom firmware went without troubles */ if (tda1004x_check_upload_ok(state) == 0) return 0; + /* eeprom firmware didn't work. Load one manually. */ + if (state->config->request_firmware != NULL) { /* request the firmware, this will block until someone uploads it */ printk(KERN_INFO "tda1004x: waiting for firmware upload...\n"); |