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path: root/drivers/media/dvb/frontends/mt312.c
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Diffstat (limited to 'drivers/media/dvb/frontends/mt312.c')
-rw-r--r--drivers/media/dvb/frontends/mt312.c116
1 files changed, 44 insertions, 72 deletions
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index ec4e641acc64..d3aea83cf218 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -612,76 +612,6 @@ static void mt312_release(struct dvb_frontend* fe)
612 kfree(state); 612 kfree(state);
613} 613}
614 614
615static struct dvb_frontend_ops vp310_mt312_ops;
616
617struct dvb_frontend* vp310_attach(const struct mt312_config* config,
618 struct i2c_adapter* i2c)
619{
620 struct mt312_state* state = NULL;
621
622 /* allocate memory for the internal state */
623 state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
624 if (state == NULL)
625 goto error;
626
627 /* setup the state */
628 state->config = config;
629 state->i2c = i2c;
630 memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
631 strcpy(state->ops.info.name, "Zarlink VP310 DVB-S");
632
633 /* check if the demod is there */
634 if (mt312_readreg(state, ID, &state->id) < 0)
635 goto error;
636 if (state->id != ID_VP310) {
637 goto error;
638 }
639
640 /* create dvb_frontend */
641 state->frequency = 90;
642 state->frontend.ops = &state->ops;
643 state->frontend.demodulator_priv = state;
644 return &state->frontend;
645
646error:
647 kfree(state);
648 return NULL;
649}
650
651struct dvb_frontend* mt312_attach(const struct mt312_config* config,
652 struct i2c_adapter* i2c)
653{
654 struct mt312_state* state = NULL;
655
656 /* allocate memory for the internal state */
657 state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
658 if (state == NULL)
659 goto error;
660
661 /* setup the state */
662 state->config = config;
663 state->i2c = i2c;
664 memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
665 strcpy(state->ops.info.name, "Zarlink MT312 DVB-S");
666
667 /* check if the demod is there */
668 if (mt312_readreg(state, ID, &state->id) < 0)
669 goto error;
670 if (state->id != ID_MT312) {
671 goto error;
672 }
673
674 /* create dvb_frontend */
675 state->frequency = 60;
676 state->frontend.ops = &state->ops;
677 state->frontend.demodulator_priv = state;
678 return &state->frontend;
679
680error:
681 kfree(state);
682 return NULL;
683}
684
685static struct dvb_frontend_ops vp310_mt312_ops = { 615static struct dvb_frontend_ops vp310_mt312_ops = {
686 616
687 .info = { 617 .info = {
@@ -720,6 +650,49 @@ static struct dvb_frontend_ops vp310_mt312_ops = {
720 .set_voltage = mt312_set_voltage, 650 .set_voltage = mt312_set_voltage,
721}; 651};
722 652
653struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
654 struct i2c_adapter* i2c)
655{
656 struct mt312_state* state = NULL;
657
658 /* allocate memory for the internal state */
659 state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
660 if (state == NULL)
661 goto error;
662
663 /* setup the state */
664 state->config = config;
665 state->i2c = i2c;
666 memcpy(&state->ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
667
668 /* check if the demod is there */
669 if (mt312_readreg(state, ID, &state->id) < 0)
670 goto error;
671
672 switch (state->id) {
673 case ID_VP310:
674 strcpy(state->ops.info.name, "Zarlink VP310 DVB-S");
675 state->frequency = 90;
676 break;
677 case ID_MT312:
678 strcpy(state->ops.info.name, "Zarlink MT312 DVB-S");
679 state->frequency = 60;
680 break;
681 default:
682 printk (KERN_WARNING "Only Zarlink VP310/MT312 are supported chips.\n");
683 goto error;
684 }
685
686 /* create dvb_frontend */
687 state->frontend.ops = &state->ops;
688 state->frontend.demodulator_priv = state;
689 return &state->frontend;
690
691error:
692 kfree(state);
693 return NULL;
694}
695
723module_param(debug, int, 0644); 696module_param(debug, int, 0644);
724MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); 697MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
725 698
@@ -727,5 +700,4 @@ MODULE_DESCRIPTION("Zarlink VP310/MT312 DVB-S Demodulator driver");
727MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>"); 700MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
728MODULE_LICENSE("GPL"); 701MODULE_LICENSE("GPL");
729 702
730EXPORT_SYMBOL(mt312_attach); 703EXPORT_SYMBOL(vp310_mt312_attach);
731EXPORT_SYMBOL(vp310_attach);