diff options
| -rw-r--r-- | linux/drivers/media/dvb/bt8xx/Kconfig | 1 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/bt8xx/dvb-bt8xx.c | 80 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/bt8xx/dvb-bt8xx.h | 1 |
3 files changed, 81 insertions, 1 deletions
diff --git a/linux/drivers/media/dvb/bt8xx/Kconfig b/linux/drivers/media/dvb/bt8xx/Kconfig index 135b4c79d..2598695dc 100644 --- a/linux/drivers/media/dvb/bt8xx/Kconfig +++ b/linux/drivers/media/dvb/bt8xx/Kconfig @@ -4,6 +4,7 @@ config DVB_BT8XX select DVB_MT352 select DVB_SP887X select DVB_NXT6000 + select DVB_CX24110 help Support for PCI cards based on the Bt8xx PCI bridge. Examples are the Nebula cards, the Pinnacle PCTV cards and Twinhan DST cards. diff --git a/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.c index cedd03521..89bd546b0 100644 --- a/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -181,6 +181,70 @@ static struct mt352_config thomson_dtt7579_config = { .pll_set = thomson_dtt7579_pll_set, }; +static int cx24108_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params) +{ + u32 freq = params->frequency; + + int i, a, n, pump; + u32 band, pll; + + + u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000, + 1576000,1718000,1856000,2036000,2150000}; + u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000, + 0x00102000,0x00104000,0x00108000,0x00110000, + 0x00120000,0x00140000}; + +#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */ + printk("cx24108 debug: entering SetTunerFreq, freq=%d\n",freq); + + /* This is really the bit driving the tuner chip cx24108 */ + + if(freq<950000) freq=950000; /* kHz */ + if(freq>2150000) freq=2150000; /* satellite IF is 950..2150MHz */ + + /* decide which VCO to use for the input frequency */ + for(i=1;(i<sizeof(osci)/sizeof(osci[0]))&&(osci[i]<freq);i++); + printk("cx24108 debug: select vco #%d (f=%d)\n",i,freq); + band=bandsel[i]; + /* the gain values must be set by SetSymbolrate */ + /* compute the pll divider needed, from Conexant data sheet, + resolved for (n*32+a), remember f(vco) is f(receive) *2 or *4, + depending on the divider bit. It is set to /4 on the 2 lowest + bands */ + n=((i<=2?2:1)*freq*10L)/(XTAL/100); + a=n%32; n/=32; if(a==0) n--; + pump=(freq<(osci[i-1]+osci[i])/2); + pll=0xf8000000| + ((pump?1:2)<<(14+11))| + ((n&0x1ff)<<(5+11))| + ((a&0x1f)<<11); + /* everything is shifted left 11 bits to left-align the bits in the + 32bit word. Output to the tuner goes MSB-aligned, after all */ + printk("cx24108 debug: pump=%d, n=%d, a=%d\n",pump,n,a); + cx24110_pll_write(fe,band); + /* set vga and vca to their widest-band settings, as a precaution. + SetSymbolrate might not be called to set this up */ + cx24110_pll_write(fe,0x500c0000); + cx24110_pll_write(fe,0x83f1f800); + cx24110_pll_write(fe,pll); +/* writereg(client,0x56,0x7f);*/ + + return 0; +} + +static int pinnsat_pll_init(struct dvb_frontend* fe) +{ + return 0; +} + + +static struct cx24110_config pctvsat_config = { + + .demod_address = 0x55, + .pll_init = pinnsat_pll_init, + .pll_set = cx24108_pll_set, +}; static int microtune_mt7202dtf_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params) @@ -387,6 +451,13 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type) break; } break; + + case BTTV_PINNACLESAT: + card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter); + if (card->fe != NULL) { + break; + } + break; } if (card->fe == NULL) { @@ -510,7 +581,14 @@ static int dvb_bt8xx_probe(struct device *dev) switch(sub->core->type) { -/* case BTTV_PINNACLESAT: UNDEFINED HARDWARE */ + case BTTV_PINNACLESAT: + card->gpio_mode = 0x0400c060; + /* should be: BT878_A_GAIN=0,BT878_A_PWRDN,BT878_DA_DPM,BT878_DA_SBR, + BT878_DA_IOM=1,BT878_DA_APP to enable serial highspeed mode. */ + card->op_sync_orin = 0; + card->irq_err_ignore = 0; + break; + #ifdef BTTV_DVICO_DVBT_LITE case BTTV_DVICO_DVBT_LITE: #endif diff --git a/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.h b/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.h index c09161836..e3dbbcdf1 100644 --- a/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.h +++ b/linux/drivers/media/dvb/bt8xx/dvb-bt8xx.h @@ -30,6 +30,7 @@ #include "sp887x.h" #include "dst.h" #include "nxt6000.h" +#include "cx24110.h" struct dvb_bt8xx_card { struct semaphore lock; |