diff options
| -rw-r--r-- | drivers/media/dvb/bt8xx/dvb-bt8xx.c | 141 |
1 files changed, 108 insertions, 33 deletions
diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c index b29b0f5..514dff3 100644 --- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c +++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c @@ -45,6 +45,8 @@ MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); if (debug) printk(KERN_DEBUG args); \ while (0) +#define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */ + static void dvb_bt8xx_task(unsigned long data) { struct dvb_bt8xx_card *card = (struct dvb_bt8xx_card *)data; @@ -150,7 +152,6 @@ static int thomson_dtt7579_pll_set(struct dvb_frontend* fe, struct dvb_frontend_ unsigned char bs = 0; unsigned char cp = 0; - #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */ div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6; if (params->frequency < 542000000) @@ -326,7 +327,6 @@ static int advbt771_samsung_tdtc9251dh0_pll_set(struct dvb_frontend* fe, struct unsigned char bs = 0; unsigned char cp = 0; - #define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */ div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6; if (params->frequency < 150000000) @@ -416,8 +416,7 @@ static void or51211_reset(struct dvb_frontend * fe) /* reset & PRM1,2&4 are outputs */ int ret = bttv_gpio_enable(bt->bttv_nr, 0x001F, 0x001F); if (ret != 0) - printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR " - "(%i)\n", ret); + printk(KERN_WARNING "or51211: Init Error - Can't Reset DVR (%i)\n", ret); bttv_write_gpio(bt->bttv_nr, 0x001F, 0x0000); /* Reset */ msleep(20); /* Now set for normal operation */ @@ -473,6 +472,80 @@ static struct nxt6000_config vp3021_alps_tded4_config = { .pll_set = vp3021_alps_tded4_pll_set, }; +static int digitv_alps_tded4_demod_init(struct dvb_frontend* fe) +{ + static u8 mt352_clock_config [] = { 0x89, 0x38, 0x2d }; + static u8 mt352_reset [] = { 0x50, 0x80 }; + static u8 mt352_adc_ctl_1_cfg [] = { 0x8E, 0x40 }; + static u8 mt352_agc_cfg [] = { 0x67, 0x20, 0xa0 }; + static u8 mt352_capt_range_cfg[] = { 0x75, 0x32 }; + + mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config)); + udelay(2000); + mt352_write(fe, mt352_reset, sizeof(mt352_reset)); + mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg)); + mt352_write(fe, mt352_agc_cfg,sizeof(mt352_agc_cfg)); + mt352_write(fe, mt352_capt_range_cfg, sizeof(mt352_capt_range_cfg)); + + return 0; +} + +static int digitv_alps_tded4_pll_set(struct dvb_frontend* fe, struct dvb_frontend_parameters* params, u8* pllbuf) +{ + u32 div; + struct dvb_ofdm_parameters *op = ¶ms->u.ofdm; + + div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6; + + pllbuf[0] = 0xc2; + pllbuf[1] = (div >> 8) & 0x7F; + pllbuf[2] = div & 0xFF; + pllbuf[3] = 0x85; + + dprintk("frequency %u, div %u\n", params->frequency, div); + + if (params->frequency < 470000000) + pllbuf[4] = 0x02; + else if (params->frequency > 823000000) + pllbuf[4] = 0x88; + else + pllbuf[4] = 0x08; + + if (op->bandwidth == 8) + pllbuf[4] |= 0x04; + + return 0; +} + +static void digitv_alps_tded4_reset(struct dvb_bt8xx_card *bt) +{ + /* + * Reset the frontend, must be called before trying + * to initialise the MT352 or mt352_attach + * will fail. + * + * Presumably not required for the NXT6000 frontend. + * + */ + + int ret = bttv_gpio_enable(bt->bttv_nr, 0x08, 0x08); + if (ret != 0) + printk(KERN_WARNING "digitv_alps_tded4: Init Error - Can't Reset DVR (%i)\n", ret); + + /* Pulse the reset line */ + bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */ + bttv_write_gpio(bt->bttv_nr, 0x08, 0x00); /* Low */ + msleep(100); + + bttv_write_gpio(bt->bttv_nr, 0x08, 0x08); /* High */ +} + +static struct mt352_config digitv_alps_tded4_config = { + .demod_address = 0x0a, + .demod_init = digitv_alps_tded4_demod_init, + .pll_set = digitv_alps_tded4_pll_set, +}; + static void frontend_init(struct dvb_bt8xx_card *card, u32 type) { int ret; @@ -480,42 +553,51 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type) switch(type) { #ifdef BTTV_DVICO_DVBT_LITE - case BTTV_DVICO_DVBT_LITE: + case BTTV_DVICO_DVBT_LITE: card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter); if (card->fe != NULL) { card->fe->ops->info.frequency_min = 174000000; card->fe->ops->info.frequency_max = 862000000; - break; } break; #endif #ifdef BTTV_TWINHAN_VP3021 - case BTTV_TWINHAN_VP3021: + case BTTV_TWINHAN_VP3021: #else - case BTTV_NEBULA_DIGITV: + case BTTV_NEBULA_DIGITV: #endif + /* + * It is possible to determine the correct frontend using the I2C bus (see the Nebula SDK); + * this would be a cleaner solution than trying each frontend in turn. + */ + + /* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */ card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter); if (card->fe != NULL) - break; + dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n"); + + /* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */ + digitv_alps_tded4_reset(card); + card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter); + + if (card->fe != NULL) + dprintk ("dvb_bt8xx: an mt352 was detected on your digitv card\n"); break; - case BTTV_AVDVBT_761: + case BTTV_AVDVBT_761: card->fe = sp887x_attach(µtune_mt7202dtf_config, card->i2c_adapter); - if (card->fe != NULL) - break; break; - case BTTV_AVDVBT_771: + case BTTV_AVDVBT_771: card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter); if (card->fe != NULL) { card->fe->ops->info.frequency_min = 174000000; card->fe->ops->info.frequency_max = 862000000; - break; } break; - case BTTV_TWINHAN_DST: + case BTTV_TWINHAN_DST: /* DST is not a frontend driver !!! */ state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL); /* Setup the Card */ @@ -534,21 +616,14 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type) /* Conditional Access device */ if (state->dst_hw_cap & DST_TYPE_HAS_CA) ret = dst_ca_attach(state, &card->dvb_adapter); - - if (card->fe != NULL) - break; break; - case BTTV_PINNACLESAT: + case BTTV_PINNACLESAT: card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter); - if (card->fe != NULL) - break; break; - case BTTV_PC_HDTV: + case BTTV_PC_HDTV: card->fe = or51211_attach(&or51211_config, card->i2c_adapter); - if (card->fe != NULL) - break; break; } @@ -669,7 +744,7 @@ static int dvb_bt8xx_probe(struct device *dev) card->i2c_adapter = &sub->core->i2c_adap; switch(sub->core->type) { - case BTTV_PINNACLESAT: + 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. */ @@ -678,7 +753,7 @@ static int dvb_bt8xx_probe(struct device *dev) break; #ifdef BTTV_DVICO_DVBT_LITE - case BTTV_DVICO_DVBT_LITE: + case BTTV_DVICO_DVBT_LITE: #endif card->gpio_mode = 0x0400C060; card->op_sync_orin = 0; @@ -689,25 +764,25 @@ static int dvb_bt8xx_probe(struct device *dev) break; #ifdef BTTV_TWINHAN_VP3021 - case BTTV_TWINHAN_VP3021: + case BTTV_TWINHAN_VP3021: #else - case BTTV_NEBULA_DIGITV: + case BTTV_NEBULA_DIGITV: #endif - case BTTV_AVDVBT_761: + case BTTV_AVDVBT_761: card->gpio_mode = (1 << 26) | (1 << 14) | (1 << 5); card->op_sync_orin = 0; card->irq_err_ignore = 0; /* A_PWRDN DA_SBR DA_APP (high speed serial) */ break; - case BTTV_AVDVBT_771: //case 0x07711461: + case BTTV_AVDVBT_771: //case 0x07711461: card->gpio_mode = 0x0400402B; card->op_sync_orin = BT878_RISC_SYNC_MASK; card->irq_err_ignore = 0; /* A_PWRDN DA_SBR DA_APP[0] PKTP=10 RISC_ENABLE FIFO_ENABLE*/ break; - case BTTV_TWINHAN_DST: + case BTTV_TWINHAN_DST: card->gpio_mode = 0x2204f2c; card->op_sync_orin = BT878_RISC_SYNC_MASK; card->irq_err_ignore = BT878_APABORT | BT878_ARIPERR | @@ -725,13 +800,13 @@ static int dvb_bt8xx_probe(struct device *dev) * RISC+FIFO ENABLE */ break; - case BTTV_PC_HDTV: + case BTTV_PC_HDTV: card->gpio_mode = 0x0100EC7B; card->op_sync_orin = 0; card->irq_err_ignore = 0; break; - default: + default: printk(KERN_WARNING "dvb_bt8xx: Unknown bttv card type: %d.\n", sub->core->type); kfree(card); |
